CN219302204U - Screw pump stator rubber wear-resisting detection tool - Google Patents

Abstract

The utility model relates to the technical field of screw pumps, in particular to a screw pump stator rubber wear-resistant detection tool, which is convenient and direct to effectively judge the wear resistance of screw pump stator rubber by detecting spots formed by rubber powder intercepted by a filter plate and comparing the test duration, and has high practicability; the device comprises a workbench and a test groove, wherein the test groove is arranged on the workbench; still include a plurality of screw rods, a plurality of detection frame, a plurality of detection filter plate, fixture and actuating mechanism, separate into a plurality of test ponds in the test groove, all install the fixture that is used for loading screw pump stator rubber in the test pond, a plurality of screw rods are located respectively between a plurality of fixture, the one end of a plurality of screw rods all rotates with the lateral wall of test groove to be connected, actuating mechanism is connected with a plurality of screw transmission, a plurality of detection frame cartridge respectively on the port of a plurality of fixture, all be provided with the detection filter plate in a plurality of detection frames, the one side of detection filter plate is provided with the major diameter filtration pore, the another side is provided with the minor diameter filtration pore.

Description

Screw pump stator rubber wear-resisting detection tool

Technical Field

The utility model relates to the technical field of screw pumps, in particular to a screw pump stator rubber wear-resistant detection tool.

Background

The screw pump is one kind of single screw type hydraulic machinery, and is one application of cycloid inner meshed screw gear pair, and consists of rubber lining stator and metal rotor. According to field investigation statistics, rubber fatigue is one of the important reasons for screw pump failure and short service life. The oil extraction screw pump stator rubber acceleration fatigue simulation test device provided by the application number of CN201711064776.X can perform 160-time-speed wear-resistant fatigue simulation test on the screw pump stator rubber. But its screw pump stator rubber fixed mounting in the cylinder body in the test process, inconvenient direct effectual judgement screw pump stator rubber's wear resistance, therefore propose a detection frock that can directly perceivedly judge screw pump stator rubber wear resistance, will have high practicality.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the screw pump stator rubber wear-resistant detection tool which is convenient, direct and effective in judging the wear resistance of the screw pump stator rubber by detecting the spots formed by the rubber powder intercepted by the filter plate (5) and comparing the test duration.

The utility model relates to a screw pump stator rubber wear-resistant detection tool which comprises a workbench and a test groove, wherein the lower end surface of the workbench is provided with a plurality of supporting legs, and the test groove is arranged on the upper end surface of the workbench; the device comprises a plurality of test tanks, a plurality of test frames, a plurality of test filter plates, clamping mechanisms and driving mechanisms, wherein the test tanks are divided into a plurality of test tanks through partition plates, test liquid is filled in the test tanks, the clamping mechanisms for loading screw pump stator rubber are arranged in the test tanks of the test tanks, the plurality of screws are respectively positioned among the plurality of clamping mechanisms, the screws rub against the inner wall of the screw pump stator rubber, one ends of the plurality of screws are respectively connected with the side wall of the test tank in a rotating manner, the driving mechanisms are in transmission connection with the plurality of screws, the plurality of test frames are respectively inserted into ports of the plurality of clamping mechanisms, the test filter plates are respectively arranged in the plurality of test frames, dense large-diameter filter holes are formed in one surface of the test filter plates facing the clamping mechanisms, and dense small-diameter filter holes are formed in one surface of the test filter plates facing away from the clamping mechanisms; during testing, a plurality of screw pump stator rubbers to be tested are clamped in a plurality of clamping mechanisms, a plurality of screws respectively extend into working chambers of the screw pump stator rubbers, a plurality of detection frames with detection filter plates are respectively inserted into ports of the clamping mechanisms, large-diameter filter holes of the detection filter plates face the clamping mechanisms, test liquid is configured according to the characteristics of working media of the screw pumps, the test liquid is obviously different from the color of the screw pump stator rubbers, the test liquid is filled into a plurality of test pools of a test groove to submerge the screw pump stator rubbers, a driving mechanism is started and timing is carried out, the driving mechanism drives a plurality of screws to synchronously rotate, the screws simultaneously rub the screw pump stator rubbers, the rotating directions of the screws are adjusted, the test liquid enters from one end of the screw pump stator rubbers far away from the detection filter plates and flows out from one end close to the detection filter plates, the test liquid flows through the detection filter plates, when the screw pump stator rubbers are rubbed and damaged by the screws, rubber powder is intercepted by the detection filter plates, the test filter plates are gathered on the detection filter plates to form rubber spots, the test is finished when the spot areas reach one third of the test area of the detection filter plates, the test stator rubbers, the time is recorded, and the time duration of wear-resisting time of the test can be directly prolonged through comparing the effective rubber.

Preferably, the plurality of heaters respectively heat the test liquid in the plurality of test tanks of the test tank, and the plurality of temperature sensors detect the temperature of the test liquid to keep the test liquid at a set temperature, so that the working temperature is simulated, or the temperature is increased to accelerate the abrasion speed of the stator rubber of the screw pump, and the practicability is improved; the plurality of heaters respectively heat the test liquid in the plurality of test tanks of the test tank, and the plurality of temperature sensors detect the temperature of the test liquid, so that the test liquid is kept at a set temperature, and therefore the working temperature is simulated, or the temperature is increased, the abrasion speed of the stator rubber of the screw pump is accelerated and judged, and the practicability is improved.

Preferably, the device further comprises a plurality of liquid level sensors and drain pipes, wherein the liquid level sensors are respectively arranged in a plurality of test pools of the test groove, the liquid level sensors are electrically connected with the buzzer, the liquid level sensors detect the liquid level of the test liquid, the drain pipes are arranged on the side wall of the test groove, the input ends of the drain pipes respectively extend into the bottoms of the test pools of the test groove, and the drain pipes are provided with valves; the liquid level sensors respectively detect the liquid level of test liquid in the test pool, when the liquid level is lower than a set value, the buzzer alarms, the staff timely adds the test liquid, and after the test is finished, the valves of the drainage pipes are opened to discharge the test liquid, so that the practicability is high.

Preferably, the clamping mechanism comprises a plurality of jacks, a plurality of handles, a plurality of ejector rods and two clamping blocks, wherein the plurality of jacks are divided into two groups and symmetrically arranged in a test pool of the test groove, the plurality of jacks are respectively provided with a vertical handle and a telescopic horizontal ejector rod, the top ends of the plurality of ejector rods are respectively connected with the outer walls of the two clamping blocks, the two clamping blocks are symmetrically arranged, the two clamping blocks are positioned between the two groups of jacks, and grooves for clamping stator rubber of the screw pump are arranged on the opposite surfaces of the two clamping blocks; the plurality of handles are operated to enable the plurality of ejector rods of the plurality of jacks to shrink, so that the two clamping blocks are opened, the stator rubber of the fixed screw pump stretches into the grooves of the two clamping blocks, the screw is inserted into the working cavity of the stator rubber of the screw pump, the plurality of handles are operated to enable the plurality of ejector rods to stretch, the two clamping blocks are aligned to clamp the stator rubber of the screw pump, stable clamping of the stator rubber of the screw pump is achieved, and the clamping is simple in operation and reliable.

Preferably, the device further comprises a plurality of clamping grooves which are respectively arranged on the end surfaces of the clamping blocks, the clamping grooves on the two opposite clamping blocks are oppositely arranged, and when the two clamping blocks are closed and aligned, the detection frame is inserted into the two opposite clamping grooves; the two opposite clamping grooves are matched to form a slot, the detection frame is inserted into the slot, and the structure is simple and the practicability is high.

Preferably, the polishing machine further comprises a plurality of friction strips, wherein the plurality of screws are provided with frosted surfaces, the surfaces of the plurality of screws are provided with a plurality of friction strips, and the friction strips are protruding friction ribs and grooves with different sections; through setting up a plurality of friction strips and dull polish surface, improve screw rod to screw pump stator rubber abrasion ability for test speed.

Preferably, the driving mechanism comprises a motor, a driving sprocket, a plurality of driven sprockets and a plurality of chains, the motor is arranged on the workbench, the driving sprocket is concentrically arranged on an output shaft of the motor, two driven sprockets are concentrically arranged at one end of each of the plurality of screw rods extending out of the side wall of the test groove, and two ends of each of the plurality of chains are respectively sleeved on the plurality of driven sprockets and the driving sprocket to connect the plurality of screw rods with the output shaft of the motor in a transmission way; during the test, the motor operates, and the motor drives the driving sprocket to rotate, and the driving sprocket drives the chain to rotate, and the chain drives a plurality of screw rods to rotate through a plurality of driven sprockets, so that synchronous transmission is realized, the technology is mature, and the reliability and the synchronism are high.

Compared with the prior art, the utility model has the beneficial effects that: during testing, a plurality of screw pump stator rubbers to be tested are clamped in a plurality of clamping mechanisms, a plurality of screws respectively extend into working chambers of the screw pump stator rubbers, a plurality of detection frames with detection filter plates are respectively inserted into ports of the clamping mechanisms, large-diameter filter holes of the detection filter plates face the clamping mechanisms, test liquid is configured according to the characteristics of working media of the screw pumps, the test liquid is obviously different from the color of the screw pump stator rubbers, the test liquid is filled into a plurality of test pools of a test groove to submerge the screw pump stator rubbers, a driving mechanism is started and timing is carried out, the driving mechanism drives a plurality of screws to synchronously rotate, the screws simultaneously rub the screw pump stator rubbers, the rotating directions of the screws are adjusted, the test liquid enters from one end of the screw pump stator rubbers far away from the detection filter plates and flows out from one end close to the detection filter plates, the test liquid flows through the detection filter plates, when the screw pump stator rubbers are rubbed and damaged by the screws, rubber powder is intercepted by the detection filter plates, the test filter plates are gathered on the detection filter plates to form rubber spots, the test is finished when the spot areas reach one third of the test area of the detection filter plates, the test stator rubbers, the time is recorded, and the time duration of wear-resisting time of the test can be directly prolonged through comparing the effective rubber.

Drawings

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

FIG. 2 is a schematic diagram of the axial structure of the present utility model;

FIG. 3 is a schematic diagram of an exploded view of a clamping mechanism and the like;

FIG. 4 is an enlarged schematic view of the structure of the driving mechanism and the like;

FIG. 5 is a schematic view of a partial enlarged structure at A;

the reference numerals in the drawings: 1. a work table; 2. a test tank; 3. a screw; 4. a detection frame; 5. detecting a filter plate; 6. a heater; 7. a temperature sensor; 8. a liquid level sensor; 9. a drain pipe; 10. a jack; 11. a handle; 12. a push rod; 13. clamping blocks; 14. a clamping groove; 15. a friction bar; 16. a motor; 17. a drive sprocket; 18. a driven sprocket; 19. and (3) a chain.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 5, the screw pump stator rubber wear-resistant detection tool comprises a workbench 1 and a test groove 2, wherein a plurality of supporting legs are arranged on the lower end surface of the workbench 1, and the test groove 2 is arranged on the upper end surface of the workbench 1; the device comprises a test tank 2, a plurality of test tanks, a plurality of screw rods 3, a plurality of detection frames 4, a plurality of detection filter plates 5, clamping mechanisms and a driving mechanism, wherein the test tank 2 is divided into a plurality of test tanks by partition plates, test liquid is filled in the test tanks, the clamping mechanisms for loading screw pump stator rubber are arranged in the test tanks of the test tank 2, the screw rods 3 are respectively positioned among the clamping mechanisms, the screw rods 3 rub against the inner wall of the screw pump stator rubber, one ends of the screw rods 3 are respectively and rotatably connected with the side wall of the test tank 2, the driving mechanism is in transmission connection with the screw rods 3, the detection frames 4 are respectively inserted on ports of the clamping mechanisms, the detection filter plates 5 are respectively arranged in the detection frames 4, dense large-diameter filter holes are arranged on one surface of the detection filter plates 5 facing the clamping mechanisms, and dense small-diameter filter holes are arranged on one surface of the detection filter plates 5 facing away from the clamping mechanisms; the test tank further comprises a plurality of heaters 6 and a plurality of temperature sensors 7, the heaters 6 and the temperature sensors 7 are arranged in a plurality of test tanks of the test tank 2, the temperature sensors 7 in the test tanks are respectively and electrically connected with the heaters 6, the heaters 6 heat test liquid, and the temperature sensors 7 detect the temperature of the test liquid; the device comprises a test tank 2, a buzzer, a plurality of liquid level sensors 8, a plurality of drain pipes 9, a plurality of valves, a plurality of liquid level sensors 8, a plurality of drain pipes 9, a plurality of valves and a plurality of water valves, wherein the liquid level sensors 8 and the drain pipes 9 are respectively arranged in a plurality of test tanks of the test tank 2, the liquid level sensors 8 are electrically connected with the buzzer, the liquid level sensors 8 detect the liquid level of the test liquid, the drain pipes 9 are arranged on the side wall of the test tank 2, the input ends of the drain pipes 9 respectively extend into the bottom of the test tank 2; the clamping mechanism comprises a plurality of jacks 10, a plurality of handles 11, a plurality of ejector rods 12 and two clamping blocks 13, wherein the plurality of jacks 10 are divided into two groups and symmetrically arranged in a test pool of the test tank 2, the plurality of jacks 10 are respectively provided with a vertical handle 11 and a telescopic horizontal ejector rod 12, the top ends of the plurality of ejector rods 12 are respectively connected with the outer walls of the two clamping blocks 13, the two clamping blocks 13 are symmetrically arranged, the two clamping blocks 13 are positioned between the two groups of jacks 10, and grooves for clamping stator rubber of the screw pump are arranged on the opposite surfaces of the two clamping blocks 13; also comprises a plurality of clamping grooves 14, the clamping grooves 14 are respectively arranged on the end surfaces of the clamping blocks 13, the clamping grooves 14 on the two opposite clamping blocks 13 are oppositely arranged, when the two clamping blocks 13 are closed and aligned, the detection frame 4 is inserted into the two opposite clamping grooves 14; the polishing machine further comprises a plurality of friction strips 15, wherein the plurality of screw rods 3 are respectively provided with a polishing surface, the surfaces of the plurality of screw rods 3 are provided with a plurality of friction strips 15, and the friction strips 15 are protruding friction ribs and grooves with different sections;

when the test is started, the handles 11 are operated to enable the ejector rods 12 of the jacks 10 to be contracted, the two clamping blocks 13 are opened, the stator rubber of the fixed screw pump stretches into the grooves of the two clamping blocks 13, the screw 3 is inserted into the working cavity of the stator rubber of the screw pump, the handles 11 are operated to enable the ejector rods 12 to stretch, the two clamping blocks 13 are aligned to clamp the stator rubber of the screw pump, the stable clamping of the stator rubber of the screw pump is realized, the detection frames 4 with the detection filter plates 5 are respectively inserted into the clamping grooves 14, the large-diameter filter holes of the detection filter plates 5 face the clamping blocks 13, the test liquid is filled into the test cells of the test grooves 2 to submerge the stator rubber of the screw pump, the heaters 6 respectively heat the test liquid in the test cells of the test grooves 2, the temperature sensors 7 detect the temperature of the test liquid, the test liquid is kept at a set temperature so as to simulate working temperature, a driving mechanism is started and timing is started, a plurality of liquid level sensors 8 respectively detect the liquid level of the test liquid in the test tank, a buzzer alarms when the liquid level is lower than a set value, a worker timely adds the test liquid, the driving mechanism drives a plurality of screws 3 to synchronously rotate, a plurality of friction strips 15 of the screws 3 simultaneously rub the stator rubber of the screw pump, the rotating direction of the screws 3 is adjusted, the test liquid enters from one end of the stator rubber of the screw pump far away from the detection filter plate 5 and flows out from one end close to the detection filter plate 5, the test liquid flows through the detection filter plate 5, rubber powder is intercepted by the detection filter plate 5 when the stator rubber of the screw pump is damaged by friction of the screws 3, rubber spots are accumulated on the detection filter plate 5, and the test is ended when the spot area reaches one third of the area of the detection filter plate 5, and recording test duration, directly and effectively judging the wear resistance of the stator rubber of the screw pump by comparing the test duration, and opening the valves of the plurality of drain pipes 9 after the test is finished to discharge test liquid.

As shown in figures 1 to 5, in the wear-resistant detection tool for the screw pump stator rubber, when the wear-resistant detection tool is in operation, firstly, a plurality of screw pump stator rubbers to be tested are clamped into a plurality of clamping blocks 13 in a test, a plurality of screws 3 are respectively inserted into working chambers of the screw pump stator rubbers, then a plurality of detection frames 4 with detection filter plates 5 are respectively inserted into ports of the clamping mechanisms, large-diameter filter holes of detection filter plates 5 face the clamping blocks 13, test liquid is configured according to the characteristics of working media of the screw pump, the test liquid is obviously different from the colors of the screw pump stator rubbers, the test liquid is filled into a plurality of test pools of a test tank 2, a plurality of heaters 6 are started to heat the test liquid to a certain temperature, then a motor 16 is started and is clocked, the motor 16 drives the screw 3 to synchronously rotate through a plurality of chains 19, the screw pump stator rubbers are simultaneously rubbed, the rotation directions of the screw 3 are adjusted, the test liquid enters from one end of the screw pump stator rubbers far away from the detection filter plates 5 and flows out from one end of the detection filter plates 5, the test liquid is enabled to flow through the filter plates 5, the filter plates 5 pass through the detection filter plates 5, the test liquid is enabled to reach the test performance of the filter plates 5, and the wear-resistant test liquid reaches a certain time when the test is stopped, and the wear-resistant test surface of the filter plates is detected by the test liquid is detected, and the test surface of the test liquid reaches a certain time, and the test surface is detected by the test surface of the test surface is detected, and the test surface is detected by the filter plate 5.

The main functions realized by the utility model are as follows:

1. simulating the actual working temperature and working medium;

2. the wear resistance of the stator rubber of the screw pump is conveniently, directly and effectively judged by detecting spots formed by the rubber powder intercepted by the filter plate 5 and comparing the test duration;

3. multiple screw pump stator rubbers were tested simultaneously.

The installation mode, the connection mode or the setting mode of the screw pump stator rubber wear-resistant detection tool are common mechanical modes, and the tool can be implemented as long as the beneficial effects of the tool can be achieved; the workbench, the detection filter plate, the heater, the temperature sensor, the liquid level sensor, the jack, the motor, the driving sprocket, the driven sprocket and the chain valve of the screw pump stator rubber wear-resistant detection tool are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The utility model provides a screw pump stator rubber wear-resisting detection frock, includes workstation (1) and test groove (2), and the lower terminal surface of workstation (1) is provided with a plurality of landing legs, and test groove (2) are installed on the up end of workstation (1); the device is characterized by further comprising a plurality of screw rods (3), a plurality of detection frames (4), a plurality of detection filter plates (5), clamping mechanisms and driving mechanisms, wherein the test tanks are divided into a plurality of test tanks through partition plates, test liquid is filled in the test tanks, the clamping mechanisms for loading screw pump stator rubber are arranged in the test tanks of the test tanks (2), the screw rods (3) are respectively positioned between the clamping mechanisms, the screw rods (3) rub against the inner wall of the screw pump stator rubber, one ends of the screw rods (3) are rotationally connected with the side walls of the test tanks (2), the driving mechanisms are in transmission connection with the screw rods (3), the detection frames (4) are respectively inserted on the ports of the clamping mechanisms, the detection filter plates (5) are arranged in the detection frames (4), dense large-diameter filter holes are arranged on one faces of the detection filter plates (5) towards the clamping mechanisms, and dense small-diameter filter holes are arranged on one faces of the detection filter plates (5) facing away from the clamping mechanisms.

2. The screw pump stator rubber wear-resistant detection tool as claimed in claim 1, wherein the plurality of heaters (6) respectively heat test liquids in the plurality of test tanks of the test tank (2), and the plurality of temperature sensors (7) detect temperatures of the test liquids, so that the test liquids are kept at set temperatures, thereby simulating the working temperatures, or increasing the temperatures to accelerate the judgment of the wear speed of the screw pump stator rubber, and improving the practicability.

3. The screw pump stator rubber wear-resistant detection tool as claimed in claim 1, further comprising a plurality of liquid level sensors (8) and drain pipes (9), wherein the liquid level sensors (8) are respectively arranged in a plurality of test tanks of the test tank (2), the liquid level sensors (8) are electrically connected with the buzzer, the liquid level sensors (8) detect the liquid level of the test liquid, the drain pipes (9) are arranged on the side wall of the test tank (2), the input ends of the drain pipes (9) respectively extend into the bottom of the test tank (2), and valves are respectively arranged on the drain pipes (9).

4. The screw pump stator rubber wear-resistant detection tool as claimed in claim 1, wherein the clamping mechanism comprises a plurality of jacks (10), a plurality of handles (11), a plurality of ejector rods (12) and two clamping blocks (13), the plurality of jacks (10) are divided into two groups and symmetrically arranged in a test pool of the test groove (2), the plurality of jacks (10) are respectively provided with a vertical handle (11) and a telescopic horizontal ejector rod (12), the top ends of the plurality of ejector rods (12) are respectively connected with the outer walls of the two clamping blocks (13), the two clamping blocks (13) are symmetrically arranged, the two clamping blocks (13) are positioned between the two groups of jacks (10), and grooves for clamping the screw pump stator rubber are formed in the opposite surfaces of the two clamping blocks (13).

5. The screw pump stator rubber wear-resistant detection tool as claimed in claim 4, further comprising a plurality of clamping grooves (14), wherein the clamping grooves (14) are respectively arranged on the end faces of the clamping blocks (13), the clamping grooves (14) on the two opposite clamping blocks (13) are oppositely arranged, and when the two clamping blocks (13) are in closed alignment, the detection frame (4) is inserted into the two opposite clamping grooves (14).

6. The screw pump stator rubber wear-resistant detection tool as claimed in claim 1, further comprising a plurality of friction strips (15), wherein the plurality of screws (3) are provided with frosted surfaces, the surfaces of the plurality of screws (3) are provided with a plurality of friction strips (15), and the friction strips (15) are protruding friction ribs and grooves with different sections.

7. The screw pump stator rubber wear-resistant detection tool as claimed in claim 1, wherein the driving mechanism comprises a motor (16), a driving sprocket (17), a plurality of driven sprockets (18) and a plurality of chains (19), the motor (16) is arranged on the workbench (1), the driving sprocket (17) is concentrically arranged on an output shaft of the motor (16), two driven sprockets (18) are concentrically arranged at one end of the plurality of screws (3) extending out of the side wall of the test groove (2), and two ends of the plurality of chains (19) are respectively sleeved on the plurality of driven sprockets (18) and the driving sprocket (17) to connect the plurality of screws (3) with the output shaft of the motor (16) in a transmission manner.

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