Search

CN-224216200-U - Torque sensor

CN224216200UCN 224216200 UCN224216200 UCN 224216200UCN-224216200-U

Abstract

The application discloses a torque sensor, and belongs to the technical field of sensors. The device mainly comprises a shell, an elastomer, a bearing and a flange base, wherein the elastomer is arranged in the shell, and flanges are arranged at two ends of the elastomer and used for connecting driving equipment and testing equipment. The nominal torque range of the torque sensor is 0.005N m to 20N m, the optional precision grade reaches 0.1% full scale, the torque is less than or equal to 2N m, the sensor has a mechanical overload protection structure, and the torque sensor has the characteristics of short axial length, high torsional rigidity, reliability, durability, simplicity and convenience in operation and installation and the like, and can provide special versions according to requirements.

Inventors

  • LI JINLI
  • LV HUA
  • Xia Qishan

Assignees

  • 常州瑞尔特测控系统有限公司

Dates

Publication Date
20260508
Application Date
20250718

Claims (10)

  1. 1.A torque sensor is characterized by comprising: A housing (1); an elastic body (2), wherein the elastic body (2) is arranged inside the shell (1); a bearing (3), the bearing (3) being mounted at one end of the elastomer (2); The flange base (4) is arranged at one end of the elastic body (2) and is connected with the shell (1); an overload prevention pin (5), wherein the overload prevention pin (5) is arranged between the shell (1) and the elastic body (2); The test base (6) is arranged at the other end of the flange base (4); And the M12 hexagonal flange aerial plug (7) is arranged outside the shell.
  2. 2. The torque sensor of claim 1, wherein the housing (1) is made of 6061 aluminum alloy, and is integrally formed, a bolt mounting hole is formed in the bottom end of the housing (1), and the bolt mounting Kong Waijing is smaller than the flange outer diameter of the flange base (4).
  3. 3. A torque sensor according to claim 1, wherein the bearing (3) is provided at one end of the elastic body (2), and the outer end of the bearing (3) is fixed by a snap spring.
  4. 4. A torque sensor according to claim 1, characterized in that the flange base (4) and the housing (1) are bolted and pinned.
  5. 5. A torque sensor according to claim 1, wherein the overload prevention pin (5) is arranged between the housing (1) and the elastic body (2), and a fixing bolt mounting hole is arranged between the housing (1) and the overload prevention pin (5).
  6. 6. A torque sensor according to claim 1, wherein a fixing bolt mounting hole is provided between the flange base (4) and the elastic body (2).
  7. 7. A torque sensor according to claim 1, characterized in that the test base (6) is bolted and pinned between the test base (6) and the flange base (4).
  8. 8. The torque sensor according to claim 1, wherein a fixing bolt mounting hole is formed between the M12 hexagonal flange aviation plug (7) and the shell (1).
  9. 9. A torque sensor according to claim 1, wherein a dust-proof mechanism (8) is fixedly provided on the housing (1), the dust-proof mechanism (8) comprising: The housing (80) is arranged on the shell (1) and positioned at the position of the M12 hexagonal flange aviation plug (7); The accommodating groove (81) is formed in the housing (80), and the size of the accommodating groove (81) is matched with the size of the M12 hexagonal flange aerial plug (7); The hole (82) is formed in the upper end of the housing (80), and the size of the hole (82) is matched with the size of the M12 hexagonal flange aerial plug (7); a through hole (85), wherein the through hole (85) is arranged on one side of the housing (80); A baffle plate (84), the baffle plate (84) being slidably disposed within the through-hole (85), the baffle plate (84) being sized to match the size of the aperture (82); a clasp (86), the clasp (86) being mounted at one end of the baffle (84); A locking post (87), the locking post (87) being mounted at one end of the housing (80); And the clamping groove (88) is formed in the buckle (86), and the size of the clamping groove (88) is matched with that of the locking column (87).
  10. 10. A torque sensor according to claim 9, wherein the baffle (84) is disposed directly above the aperture (82), and a seal is disposed outside the baffle (84).

Description

Torque sensor Technical Field The application relates to the technical field of sensors, in particular to a torque sensor. Background The torque sensor is used for measuring torque values output by various engines, motors and the like in research and development, and has a very wide application range; Along with the current social development, the demands of various aspects are improved, the precision requirement of the torque sensor is also greatly improved, the torque sensor is used as key equipment for measuring the rotation moment, the precision accuracy of the torque sensor is directly related to the performance and reliability of the whole system, the precision of the torque sensor is usually calibrated before delivery, and the calibration before delivery can ensure that the sensor meets the preset precision requirement in the manufacturing process, so that accurate measurement data is provided in practical application. In the field of industrial measurement, the accurate measurement of torque is critical, the existing torque sensor has some problems in practical application, such as insufficient measurement precision of part of sensors, incapability of meeting high-precision measurement requirements, easy damage of some sensors when overload conditions are met, lack of an effective overload protection structure, unreasonable structural design of some sensors, complicated installation, long axial length, inconvenience in use in occasions with limited space, poor temperature adaptability of part of sensors, and unstable measurement precision in different temperature environments. It is necessary to provide a torque sensor to solve the above-mentioned problems. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may contain information that does not constitute prior art. Disclosure of Invention Based on the problems in the prior art, the application aims to provide a torque sensor which solves the problems of insufficient precision, lack of overload protection, complex installation and the like in the existing scheme. The technical scheme adopted by the application for solving the technical problems is that the torque sensor comprises: A housing; An elastic body disposed inside the housing; a bearing mounted at one end of the elastic body; The flange base is arranged at one end of the elastic body and is connected with the shell; an overload prevention pin installed between the housing and the elastic body; The test base is arranged at the other end of the flange base; M hexagonal square flange avionics inserts, and this M hexagonal square flange avionics inserts and installs in the shell outside. Further, the shell is made of aluminum alloy materials and integrally formed, a bolt mounting hole is formed in the bottom end of the shell, and the bolt mounting Kong Waijing is smaller than the outer diameter of the flange base. Furthermore, one end of the elastic body is provided with the bearing, and the outer end of the bearing is fixed by a clamp spring. Further, the flange base is connected with the shell through bolts, and the pins are positioned. Further, the overload prevention pin is arranged between the shell and the elastic body, and a fixing bolt mounting hole is arranged between the shell and the overload prevention pin. Further, a fixing bolt mounting hole is formed between the flange base and the elastic body. Further, the test base is connected with the flange base through bolts and positioned through pins. Furthermore, a fixing bolt mounting hole is formed between the M six-core square flange aviation plug and the shell. Further, fixedly provided with dustproof mechanism on the shell, this dustproof mechanism includes: the housing is arranged on the housing and positioned at the aerial insertion position of the M hexagonal-core square flange; The accommodating groove is formed in the housing, and the size of the accommodating groove is matched with the size of the M hexagonal-core square flange aerial socket; The hole is formed in the upper end of the housing, and the size of the hole is matched with the size of the M six-core square flange aerial plug; the through hole is formed on one side of the housing; The baffle is arranged in the through hole in a sliding manner, and the size of the baffle is matched with that of the hole; the buckle is arranged at one end of the baffle; A locking post mounted at one end of the housing; the clamping groove is formed in the clamping buckle, and the size of the clamping groove is matched with that of the locking column. Further, the baffle is arranged right above the hole, and a sealing ring is arranged on the outer side of the baffle. The torque sensor provided by the application has the beneficial effects that through reasonable structural design and parameter configuration, a wide torque measuring range of 0.005N m to 20N m and optional