Detection probe, transmission device, and detection instrument

A transmission device applied to a detection probe, the detection probe comprising a detection mechanism and a driving mechanism, and the transmission device comprising:

• a rope transmission mechanism, comprising:
• a rope, connected to the driving mechanism and the detection mechanism respectively, and configured to receive the power output by the driving mechanism, transmit the power to the detection mechanism, and drive the detection mechanism to move;
• and
• a reversing assembly, comprising at least two reversing pulley groups arranged along an extension path of the rope, wherein the rope sequentially bypasses the two reversing pulley groups, and a transmission direction is changed under an action of the two reversing pulley groups;
• and
• a tensioning assembly, arranged on the extension path of the rope and configured to apply force to the rope to make the rope in a tensioned state;
• wherein the detection probe further comprises a support shaft connected to the housing and a gear transmission mechanism, and the gear transmission mechanism is disposed in the receiving space and connected to the driving mechanism and the rope transmission mechanism respectively, so as to receive the power output by the driving mechanism and transmit the power to the rope transmission mechanism;
• wherein the tensioning assembly comprises:
• a tensioning adjustment base, rotatably connected to the support shaft;
• one or more tensioning pulleys, rotatably connected to the tensioning adjustment base, wherein the rope is wound on a periphery of the tensioning pulley, respectively;
• and
• a force applying member, configured to apply a tensioning adjustment force to the tensioning adjustment base, such that the tensioning adjustment base rotates around the support shaft, and applies force to the rope through the tensioning pulley to make the rope in the tensioned state;
• wherein the detection probe further comprises one of a case I and a case II;
• in the case I, a number of the one or more tensioning pulleys is two;
• and
• the tensioning adjustment base comprises:
• a first adjusting arm;
• a second adjusting arm, connected to the first adjusting arm, wherein the tensioning adjustment base is rotatably connected to the support shaft at a connection between the first adjusting arm and the second adjusting arm;
• and
• a first tensioning pulley shaft, connected to an end of the first adjusting arm away from the second adjusting arm, wherein two tensioning pulleys are rotatably sleeved on the first tensioning pulley shaft, respectively;
• wherein the force applying member is connected to an end of the second adjusting arm away from the first adjusting arm, and is configured to apply the tensioning adjustment force to the end of the second adjusting arm away from the first adjusting arm, such that the tensioning adjustment base rotates around the support shaft, the two tensioning pulleys adaptively rotate around the first tensioning pulley shaft and apply force to the rope, and the rope is in the tensioned state;
• in the case II, a number of the one or more tensioning pulleys is two;
• and
• the tensioning adjustment base comprises:
• a rotating arm, an end of the rotating arm being rotatably connected to the support shaft;
• and
• a second tensioning pulley shaft, arranged at an end of the rotating arm away from the support shaft, wherein two tensioning pulleys are rotatably sleeved on the second tensioning pulley shaft, respectively;
• wherein the force applying member is connected to the second tensioning pulley shaft and is configured to apply the tensioning adjustment force to the second tensioning pulley shaft, such that the tensioning adjustment base rotates around the support shaft, the two tensioning pulleys adaptively rotate around the second tensioning pulley shaft and apply force to the rope, and the rope is in the tensioned state.

A detection instrument, comprising:

• a host and a detection probe;
• wherein the detection probe comprises:
• a housing, defining a receiving space;
• a detection mechanism, disposed on an end of the housing and configured to perform a detection function;
• a driving mechanism, disposed in the receiving space and configured to output power;
• a rope transmission mechanism, disposed in the receiving space and comprising:
• a rope, connected to the driving mechanism and the detection mechanism respectively, and configured to receive the power output by the driving mechanism, transmit the power to the detection mechanism, and drive the detection mechanism to move;
• and
• a reversing assembly, comprising at least two reversing pulley groups arranged along an extension path of the rope, wherein the rope sequentially bypasses the two reversing pulley groups, and a transmission direction is changed under an action of the two reversing pulley groups;
• and
• a tensioning assembly, arranged on the extension path of the rope and configured to apply force to the rope to make the rope in a tensioned state;
• and
• a gear transmission mechanism, disposed in the receiving space and connected to the driving mechanism and the rope transmission mechanism respectively, so as to receive the power output by the driving mechanism and transmit the power to the rope transmission mechanism;
• wherein the detection probe further comprises a support shaft connected to the housing;
• and
• the tensioning assembly comprises:
• a tensioning adjustment base, rotatably connected to the support shaft;
• one or more tensioning pulleys, rotatably connected to the tensioning adjustment base, wherein the rope is wound on a periphery of the tensioning pulley, respectively;
• and
• a force applying member, configured to apply a tensioning adjustment force to the tensioning adjustment base, such that the tensioning adjustment base rotates around the support shaft, and applies force to the rope through the tensioning pulley to make the rope in the tensioned state;
• wherein the detection probe further comprises one of a case I and a case II;
• in the case I, a number of the one or more tensioning pulleys is two;
• and
• the tensioning adjustment base comprises:
• a first adjusting arm;
• a second adjusting arm, connected to the first adjusting arm, wherein the tensioning adjustment base is rotatably connected to the support shaft at a connection between the first adjusting arm and the second adjusting arm;
• and
• a first tensioning pulley shaft, connected to an end of the first adjusting arm away from the second adjusting arm, wherein two tensioning pulleys are rotatably sleeved on the first tensioning pulley shaft, respectively;
• wherein the force applying member is connected to an end of the second adjusting arm away from the first adjusting arm, and is configured to apply the tensioning adjustment force to the end of the second adjusting arm away from the first adjusting arm, such that the tensioning adjustment base rotates around the support shaft, the two tensioning pulleys adaptively rotate around the first tensioning pulley shaft and apply force to the rope, and the rope is in the tensioned state;
• in the case II, a number of the one or more tensioning pulleys is two;
• and
• the tensioning adjustment base comprises:
• a rotating arm, an end of the rotating arm being rotatably connected to the support shaft;
• and
• a second tensioning pulley shaft, arranged at an end of the rotating arm away from the support shaft, wherein two tensioning pulleys are rotatably sleeved on the second tensioning pulley shaft, respectively;
• wherein the force applying member is connected to the second tensioning pulley shaft and is configured to apply the tensioning adjustment force to the second tensioning pulley shaft, such that the tensioning adjustment base rotates around the support shaft, the two tensioning pulleys adaptively rotate around the second tensioning pulley shaft and apply force to the rope, and the rope is in the tensioned state;
• wherein the host is respectively connected to the detection mechanism and the driving mechanism of the detection probe, such that the driving mechanism is controlled to output the power, and the detection mechanism is controlled to perform the detection function.