Device for measuring impeller torque of water pump assembly

Abstract

The utility model provides a water pump assembly impeller torque measuring device, the bottom comprises a clamp body fixedly connected with a workbench, the clamp body is connected with adjusting blocks through screws, the adjusting blocks are connected with a water pump belt pulley through positioning pins, and the number and positions of the adjusting blocks are adjusted according to belt pulley holes; the top comprises a detection block and a torque connector which are connected in a welded mode, the detection block is connected with a water pump impeller through detection pins, and the number and the positions of the detection pins are adjusted according to impeller holes. The water pump assembly fixture is simple in principle, effectively solves the problem that different products are frequently replaced due to the fact that each product of the water pump assembly is provided with a set of fixture, improves efficiency and saves cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pump detection, and in particular relates to a device for measuring the torque force of an impeller of a water pump assembly. Background Art

[0002] In view of the increasingly severe environmental pressure and to meet the national emission standards, the inspection of engine cooling water pumps is becoming more and more stringent. Existing similar products and technologies: each product has a set of fixtures, there are many product types, and there are no suitable fixtures for new products and samples.

[0003] Publication No. CN211449092U discloses a motorcycle water pump shaft rotation and torque detection device, including a device body and a fixture, a clamping cylinder, a servo motor, a torque sensor, a PLC control system and a display screen arranged on the device body; the fixture is used to fix the water pump shaft; the clamping cylinder is arranged at the upper end of the fixture to clamp the water pump shaft; the servo motor is controlled by the PLC control system; one end of the rotating shaft of the torque sensor is connected to the rotating shaft of the servo motor, and the other end is connected to the water pump shaft through an adapter sleeve; the output end of the torque sensor is connected to the PLC control system and the display screen. This device uses mechanical automation to replace manual work, combines the water pump shaft rotation operation and the torque test operation into one, improves production efficiency, eliminates the possibility of human missed detection, and improves the qualified rate of water pump sealing. The fixture of this application has a complex structure and can only detect motorcycle water pumps, and has poor adaptability. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a device for measuring the torque force of an impeller of a water pump assembly in view of the deficiencies of the prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A device for measuring the torque of an impeller of a water pump assembly is provided, wherein the bottom portion comprises a clamping body fixedly connected to a workbench, the clamping body is connected to an adjustment block via a screw, the adjustment block is connected to a water pump pulley via a locating pin, and the number and position of the adjustment blocks are adjusted and set according to the pulley hole; the top portion comprises a detection block and a torque joint connected by welding, the detection block is connected to the water pump impeller via a detection pin, and the number and position of the detection pin are adjusted and set according to the impeller hole.

[0007] Preferably, a plurality of positioning holes are provided on the clamp body, and the screws pass through the adjustment block and are threadedly connected to the positioning holes.

[0008] Preferably, a plurality of positioning grooves are provided on the detection block, and the detection pin passes through the positioning grooves and is fixedly connected to the impeller hole.

[0009] Preferably, one end of the positioning pin is fixed in the adjustment block, and the other end is fixedly connected to the pulley hole.

[0010] Preferably, the positioning pin and the adjustment block are interference fit.

[0011] Preferably, the detection pin is loosely matched with the detection block and is connected via a nut.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model utilizes the cooperation of the positioning pin and the water pump pulley hole to fix the lower part of the water pump assembly, utilizes the cooperation of the detection pin and the water pump impeller hole to fix the upper part of the water pump assembly, and firmly fixes the water pump assembly on the clamp.

[0014] By changing the position of the positioning holes on the clamp body, the number and position of the adjustment blocks can be adjusted to achieve fixation of different water pump pulleys. By changing the position of the positioning grooves on the detection block, the number and position of the detection pins can be adjusted to achieve fixation of different water pump impellers, which greatly improves the adaptability of the device to different water pumps.

[0015] The utility model has a simple principle and effectively solves the problem that each water pump assembly has one set of fixtures and different products have to be frequently replaced, thereby improving efficiency and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 : A schematic diagram of the structure of the impeller torque measuring device of the utility model water pump assembly;

[0018] Figure 2 : A schematic diagram of the structure of the detection block of the utility model;

[0019] Figure 3 : A schematic diagram of the structure of the utility model clamp;

[0020] 1. Clamp body; 2. Adjustment block; 3. Screw; 4. Positioning pin; 5. Detection pin; 6. Detection block; 7. Nut; 8. Torque joint; 11. Positioning hole; 61. Positioning slot; DETAILED DESCRIPTION

[0021] In order to better understand the present invention, the content of the present invention is further clearly described below in conjunction with the embodiments, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.

[0022] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0023] Embodiment 1: The present application provides a device for measuring the impeller torque of a water pump assembly, the bottom of which includes a clamp body 1 fixedly connected to a workbench, the clamp body 1 is connected to an adjustment block 2 via a screw 3, the adjustment block 2 is connected to a water pump pulley via a locating pin 4, and the number and position of the adjustment blocks 2 are adjusted according to the pulley hole; the top includes a detection block 6 and a torque joint 8 connected by welding, the detection block 6 is connected to the water pump impeller via a detection pin 5, and the number and position of the detection pin 5 are adjusted according to the impeller hole.

[0024] Preferably, a plurality of positioning holes 11 are provided on the clamp body 1, and the screws 3 pass through the adjustment blocks 2 and are threadedly connected to the positioning holes 11. By adjusting different positioning holes 11, the number and position of the adjustment blocks 2 can be changed, thereby improving its adaptability.

[0025] Preferably, a plurality of positioning grooves 61 are provided on the detection block 6, and the detection pin 5 passes through the positioning grooves 61 and is fixedly connected to the impeller hole. By adjusting different positioning grooves 61, the number and position of the detection pin 5 can be changed, thereby further improving adaptability.

[0026] Preferably, one end of the positioning pin 4 is fixed in the adjustment block 2, and the other end is fixedly connected to the pulley hole, and the positioning pin 4 firmly fixes the lower part of the water pump in the fixture.

[0027] Preferably, the locating pin 4 is interference fit with the adjusting block 2. After installation, the locating pin 4 and the bottom surface of the adjusting block 2 are guaranteed to be vertical by 0.02 mm to achieve accurate positioning of the locating pin 4. When adjusting the adjusting blocks 4, several of them should be adjusted to the same circumference, and the screws 3 must be tightened after adjustment.

[0028] Preferably, the detection pin 5 and the detection block 6 are loosely matched and connected via a nut 7. When adjusting the detection pins 5, several of them should be adjusted to the same circumference, and the nut 7 must be tightened after adjustment.

[0029] The specific implementation steps of this embodiment are as follows:

[0030] 1. Fix the clamp body 1 on the workbench;

[0031] 2. Place the product on the adjustment block 2, aligning the positioning pin 4 with the pulley hole;

[0032] 3. Place the detection block 6 on the pulley, aligning the detection pin 5 with the impeller hole;

[0033] 4. Align the torque wrench with the torque connector 8 and twist the wrench.

[0034] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0035] The utility model utilizes the cooperation of the positioning pin and the water pump pulley hole to fix the lower part of the water pump assembly, utilizes the cooperation of the detection pin and the water pump impeller hole to fix the upper part of the water pump assembly, and firmly fixes the water pump assembly on the clamp.

[0036] By changing the position of the positioning holes on the clamp body, the number and position of the adjustment blocks can be adjusted to achieve fixation of different water pump pulleys. By changing the position of the positioning grooves on the detection block, the number and position of the detection pins can be adjusted to achieve fixation of different water pump impellers, which greatly improves the adaptability of the device to different water pumps.

[0037] The utility model has a simple principle and effectively solves the problem that each water pump assembly has one set of fixtures and different products have to be frequently replaced, thereby improving efficiency and saving costs.

[0038] In addition, those skilled in the art should understand that, although there are many problems in the prior art, each embodiment or technical solution of the utility model can be improved in only one or several aspects, without having to solve all the technical problems listed in the prior art or background technology at the same time. Those skilled in the art should understand that the content not mentioned in a claim should not be used as a limitation on the claim.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the preferred implementation scheme of the utility model and are not limiting. Other modifications or equivalent substitutions made to the technical scheme of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical scheme of the utility model.

Claims

1. A device for measuring impeller torque of a water pump assembly, characterized in that: The bottom part includes a clamp body fixedly connected to the workbench, the clamp body is connected to the adjustment block through a screw, the adjustment block is connected to the water pump pulley through a positioning pin, and the number and position of the adjustment block are adjusted and set according to the pulley hole; The top portion comprises a detection block and a torque joint connected by welding. The detection block is connected to the water pump impeller through detection pins. The number and positions of the detection pins are adjusted and set according to the impeller holes.

2. The device for measuring impeller torque of a water pump assembly as claimed in claim 1, characterized in that: A plurality of positioning holes are arranged on the clamp body, and the screws pass through the adjustment block and are threadedly connected with the positioning holes.

3. The device for measuring impeller torque of a water pump assembly as claimed in claim 1, characterized in that: The detection block is provided with a plurality of positioning grooves, and the detection pin passes through the positioning grooves and is fixedly connected with the impeller hole.

4. The device for measuring impeller torque of a water pump assembly as claimed in claim 1, characterized in that: One end of the positioning pin is fixed in the adjusting block, and the other end is fixedly connected to the pulley hole.

5. The device for measuring impeller torque of a water pump assembly as claimed in claim 4, characterized in that: The positioning pin is interference fit with the adjusting block.

6. The device for measuring impeller torque of a water pump assembly as claimed in claim 1, characterized in that: The detection pin is loosely matched with the detection block and is connected via a nut.

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