CN222027820U - Torque testing device - Google Patents

Abstract

The utility model belongs to the technical field of hydraulic power clamp test detection, and particularly relates to a torque testing device, which comprises a test bench, wherein one end of the test bench is provided with a mounting hole and is fixedly provided with a planetary reducer through the mounting hole, the lower part of the planetary reducer is arranged in the test bench through the mounting hole, the end part of the planetary reducer is sleeved with a magnetic powder brake, the upper part of the planetary reducer is arranged in the upper part of the test bench through the mounting hole, the end part of the planetary reducer is fixedly provided with a torque sensor, the upper end of the torque sensor is connected with a rotary support and is inductively connected with a test core rod through the rotary support, and the test core rod is fixed on the test bench through the rotary support. The utility model can obtain a more accurate torque check value of the hydraulic power tongs, solves the problem of large torque value error caused by conversion among factor values, and ensures the actual load capacity of the hydraulic power tongs.

Description

Torque testing device

Technical Field

The utility model belongs to the technical field of hydraulic power clamp test detection, and particularly relates to a torque testing device.

Background

The hydraulic power tongs are mechanical screwing-off tools operated by the workover rig power, can greatly lighten the labor intensity of workover workers, avoid or reduce the occurrence of injury accidents, and have the functions of enhancing the torsion of screwing of a pipe tool and a drilling tool and reducing the occurrence of tripping accidents of the pipe tool and the drilling tool. The torque test is an important index for measuring the load capacity of the hydraulic power tongs, and because the types of hydraulic power tongs are more, the pipe diameter specifications of the required clamping are different, the torque of the hydraulic power tongs with different specifications can be tested by adopting the testing devices with different specifications at present, so that the resource waste is serious, the testing cost is high, and the testing devices are required to be frequently adjusted and installed manually when the different specifications are tested, so that the time and the labor are wasted, and safety accidents are extremely easy to cause.

In the prior art, the problems of serious resource waste and high cost caused by adopting a corresponding specification torque testing device when testing different specifications of hydraulic power tongs are solved, but the torque value of the existing torque testing device is obtained only through conversion among values, the error is larger, and the accurate value of torque verification is difficult to obtain accurate control, so that the load capacity of the hydraulic power tongs is affected. For this reason, a new solution is needed to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide a torque testing device, which is used for solving the problems that the torque testing device in the current stage is difficult to accurately control the accurate value of torque verification, so that the load capacity of a hydraulic power clamp is influenced and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a torque testing device, includes the testboard, a mounting hole has been seted up to the one end of testboard and is fixed with planetary reducer through the mounting hole, the inside of testboard and its tip cover are equipped with the magnetic powder stopper is arranged in through the mounting hole to planetary reducer's lower part, planetary reducer's upper portion is arranged in the upper portion of testboard and its tip is fixed with torque sensor through the mounting hole, torque sensor's lower extreme is connected with the magnetic powder stopper induction through planetary reducer, torque sensor's upper end is connected with the swivel mount and is connected with the test plug through the swivel mount induction, the test plug is fixed in on the testboard through the swivel mount.

Further, the torque sensor is in signal connection with a control box and is in dynamic induction connection with the test core rod through the control box and the rotary support, and the control box is in control connection with the planetary reducer through the torque sensor.

Further, the bottom of swivel mount is fixed in the upper portion of testboard one end, swivel mount's upper portion is fixed with the square seat and through square seat and test plug grafting fixed connection, swivel mount's center is provided with empty axle, empty axle supporting formula swivelling joint has the bearing and its lower extreme passes through the upper end swivelling joint of bearing and torque sensor and is connected, empty axle upper end passes through bearing and square seat and test plug transmission swivelling joint.

Further, the clamp head of the power clamp is sleeved on the test core rod, a rope is arranged at the tail of the power clamp and is fixedly connected with a tail rope fixing support through the rope, the tail rope fixing support is fixed on the upper portion of the other end of the test bench, and the height of the tail rope fixing support is lower than the fixing height of the test core rod.

Further, one end of the rope is fixed on the tail rope fixing support, the other end of the rope is fixed on the tail of the power tongs, and two ends of the rope are arranged at an angle of 90 degrees through the tail rope fixing support and the tail of the power tongs respectively.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the torque testing device, the torque value of the hydraulic power tongs is directly obtained by the torque sensor by utilizing the principle of a strain electrical measurement method, conversion among values is not needed, the problem of large torque value error caused by conversion among values is effectively avoided, meanwhile, the tested torque value and the torque value of the torque monitoring system can be compared and calibrated, so that the hydraulic power tongs can obtain an accurate torque checking value, the torque checking value is accurately controlled, the torque testing accuracy is effectively improved, and the hydraulic power tongs are enabled to have the capability of adjusting the torque of the hydraulic power tongs by adjusting the exciting current of the magnetic powder brake by adopting the arrangement that the two ends of the planetary reducer are respectively connected with the magnetic powder brake and the torque sensor;

2. According to the utility model, the testing core rod is inserted and fixed on the rotary support through the square seat, so that the torque testing device can realize the purpose of testing the torque of the hydraulic power tongs with different specifications under the condition of replacing the testing core rods with different specifications, the practicability of the torque testing device is effectively improved, the resources are greatly saved, the cost of the torque testing of the hydraulic power tongs is reduced, and the efficiency and the safety of the torque testing of the hydraulic power tongs are ensured;

3. According to the utility model, the hollow shaft is respectively connected with the torque sensor in an induction way and the test core rod is in rotary connection through the bearing, so that the clamp head of the hydraulic power clamp can synchronously rotate under the rotation of the test core rod driven by the hollow shaft when the torque is tested, and the working condition of field sleeve turnbuckle is simulated, so that the test of dynamic torque is realized, the accuracy of the actual torque test of the hydraulic power clamp is effectively improved, and the actual load capacity of the hydraulic power clamp is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic view of the overall simplified structure of the present utility model;

FIG. 4 is a schematic diagram of the dynamic torque testing part in FIG. 3;

fig. 5 is a schematic structural diagram of the test bench in fig. 3.

Wherein: 1. a power clamp; 101. a clamp head; 102. a tail of the pliers; 2. a test bench; 3. a mounting hole; 4. a planetary reducer; 5. a magnetic powder brake; 6. a torque sensor; 7. a rotary support; 8. testing the core rod; 9. a square seat; 10. an empty shaft; 11. a bearing; 12. a control box; 13. a tail rope fixing bracket; 14. a rope; 15. climbing ladder.

Detailed Description

The following examples are intended to further illustrate the utility model and are not intended to limit the application of the utility model.

Referring to fig. 1-5, a torque testing device comprises a testing table 2 for testing the torque of a hydraulic power clamp 1, wherein a mounting hole 3 for fixing a planetary reducer 4 is formed in one end of the testing table 2, the planetary reducer 4 for adjusting the exciting current of a magnetic powder brake 5 to change the load of the hydraulic power clamp 1 is fixed through the mounting hole 3, a climbing ladder 15 for facilitating disassembly is further fixed on the end side of the testing table 2, the lower part of the planetary reducer 4 is arranged in the testing table 2 through the mounting hole 3, the magnetic powder brake 5 for controlling the screwing torque of the hydraulic power clamp 1 is sleeved at the end part of the planetary reducer 4, a torque sensor 6 for sensing and displaying the torque testing data of the hydraulic power clamp 1 is arranged at the upper part of the testing table 2 through the mounting hole 3, the lower end of the torque sensor 6 is connected with the magnetic powder brake 5 in an inductive manner through the planetary reducer 4, a rotating support 7 for fixing the testing 8 and providing dynamic working conditions is connected with a mandrel 8 through the rotating support 7 in an inductive manner, and a mandrel 8 for assisting the testing of the hydraulic power clamp 1 is fixed on the testing table 2 through the rotating mandrel 8.

Referring to fig. 1 and 3-4, a torque sensor 6 is in signal connection with a control box 12 for controlling and monitoring the screwing torque of the hydraulic power tongs 1 and controlling the rotation speed of the planetary reducer 4, and is in dynamic induction connection with a test mandrel 8 through the control box 12 and a rotary support 7, and the control box 12 is in control connection with the planetary reducer 4 through the torque sensor 6;

The bottom of the rotary support 7 is fixed on the upper part of one end of the test bench 2, and the upper part of the rotary support 7 is fixed with a square seat 9 for fixing the test core rod 8 and is fixedly connected with the test core rod 8 in a plug-in manner through the square seat 9;

The center of the rotary support 7 is provided with an empty shaft 10 for matching with the rotation of the test mandrel 8, the empty shaft 10 is rotatably connected with a bearing 11 for driving the empty shaft 10 to rotate in a supporting manner, the lower end of the empty shaft 10 is rotatably connected with the upper end of the torque sensor 6 through the bearing 11, the upper end of the empty shaft 10 is rotatably connected with the test mandrel 8 through the bearing 11 in a transmission manner, the test mandrel 8 penetrates through the square seat 9 and extends to the lower part of the square seat 9 to be in abutting connection with the empty shaft 10, and the test mandrel 8 drives the empty shaft 10 to synchronously rotate when rotating along with the screwing of the hydraulic power tongs 1, so that the screwing torque of the hydraulic power tongs 1 is directly measured by the torque sensor 6 under the rotation of the empty shaft 10.

Referring to fig. 1-2, a clamp head 101 of a hydraulic power clamp 1 is sleeved on a test mandrel 8, a clamp tail 102 of the hydraulic power clamp 1 is provided with a tail rope fixing bracket 13 for fixing the rope 14 of the auxiliary test mandrel 8 through the rope 14, one end of the rope 14 is fixed on the tail rope fixing bracket 13, the other end of the rope 14 is fixed on the clamp tail 102 of the hydraulic power clamp 1, and two ends of the rope 14 are respectively arranged at an angle of 90 degrees through the tail rope fixing bracket 13 and the clamp tail 102 of the hydraulic power clamp 1;

the tail rope fixing bracket 13 is fixed on the upper part of the other end of the test bench 2, and the height of the tail rope fixing bracket 13 is lower than the fixing height of the test core rod 8.

The working principle and the using process of the utility model are as follows: as shown in fig. 1-5, after the assembly of the torque testing device is completed, an operator integrally installs the hydraulic power tongs 1 on the torque testing device, so that the tongs head 101 of the hydraulic power tongs 1 is clamped on the test mandrel 8, and the tongs tail 102 of the hydraulic power tongs 1 is arranged at an angle of 90 degrees with the tail rope fixing bracket 13 through the rope 14, so as to obtain an accurate calibration value of the torque of the hydraulic power tongs 1, thereby ensuring the actual load capacity of the hydraulic power tongs 1.

Because the rotation of the hydraulic power tongs 1 is controlled by the control box 12, when the hydraulic power tongs 1 needs to test torque, an operator needs to clamp the tongs head 101 of the hydraulic power tongs 1 on the test mandrel 8, the tongs tail 102 of the hydraulic power tongs 1 is arranged at an angle of 90 degrees with the tail rope fixing support 13 through the rope 14, then the hydraulic power tongs 1 is controlled by the control box 12 to rotate, at the moment, the test mandrel 8 synchronously rotates along with the rotation of the hydraulic power tongs 1, because the test mandrel 8 is abutted against the top of the hollow shaft 10, the hollow shaft 10 also rotates along with the rotation of the test mandrel 8 under the support of the bearing 11, and because the torque sensor 6 is sleeved on the bearing 11, the torque sensor 6 directly measures the rotation amplitude of the test mandrel 8 (namely the torque value of the hydraulic power tongs 1) under the braking of the magnetic powder brake 5 at the same time, and transmits the sensed torque value to the control box 12, and the display screen of the control box 12 is used for displaying the torque value and comparing and calibrating the value with the torque value of the torque monitoring system of the hydraulic power tongs 1, so that the accurate hydraulic power calibration value of the tongs 1 is obtained; when the accuracy of torque data is required to be checked, the rotating speed of the planetary reducer 4 is required to be controlled and regulated through the control box 12, and at the moment, the magnetic powder brake 5 can adjust the exciting current of the planetary reducer 4 to change the load of the hydraulic power tongs 1, so that the torque of the turnbuckle of the hydraulic power tongs 1 is regulated, and the actual load capacity of the hydraulic power tongs 1 is ensured;

when the torque values of the hydraulic power tongs 1 with different specifications are required to be tested, only the test core rods 8 with different specifications and sizes are required to be replaced, the test core rods are inserted on the rotary support 7 through the square seat 9, and the test core rods are fixed on the test bench 2 through the rotary support 7.

Claims (10)

1. The utility model provides a torque testing device, includes the testboard, its characterized in that, a mounting hole has been seted up to the one end of testboard and is fixed with planetary reducer through the mounting hole, planetary reducer's lower part is arranged in the inside of testboard and its tip cover is equipped with the magnetic powder stopper through the mounting hole, planetary reducer's upper portion is arranged in the upper portion of testboard and its tip is fixed with torque sensor through the mounting hole, torque sensor's upper end is connected with rotatory support and is connected with the test plug through rotatory support response, the test plug is fixed in on the testboard through rotatory support.

2. The torque testing device according to claim 1, wherein the magnetic powder brake is inductively connected to the lower end of the torque sensor through a planetary reducer.

3. The torque testing device according to claim 2, wherein the torque sensor is in signal connection with a control box and is in dynamic inductive connection with the test core rod through the control box and the rotary support, and the control box is in control connection with the planetary reducer through the torque sensor.

4. The torque testing device according to claim 1, wherein the bottom of the rotary support is fixed on the upper portion of one end of the test bench, and the upper portion of the rotary support is fixed with a square seat and is fixedly connected with the test core rod in a plug-in manner through the square seat.

5. The torque testing device according to claim 4, wherein a hollow shaft is arranged at the center of the rotary support, the hollow shaft is rotatably connected with a bearing, and the lower end of the hollow shaft is rotatably and inductively connected with the upper end of the torque sensor through the bearing.

6. The torque testing device of claim 5, wherein the upper end of the hollow shaft is in driving rotary connection with the test core rod through a bearing and a square seat.

7. The torque testing device according to claim 6, wherein the testing core rod is sleeved with a clamp head of a power clamp, and a clamp tail of the power clamp is provided with a rope and is fixedly connected with a tail rope fixing bracket through the rope.

8. The torque testing device according to claim 7, wherein said tail rope fixing bracket is fixed to an upper portion of the other end of the test stand.

9. The torque testing device according to claim 7, wherein one end of the rope is fixed on the tail rope fixing support, the other end of the rope is fixed on the tail of the power tongs, and two ends of the rope are respectively arranged at an angle of 90 degrees through the tail rope fixing support and the tail of the power tongs.

10. The torque testing device of claim 9, wherein the tail rope retention bracket has a height that is less than a retention height of the test mandrel.