CN219417173U - Screw pump stator rubber bonding strength tester - Google Patents

Screw pump stator rubber bonding strength tester Download PDF

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Publication number
CN219417173U
CN219417173U CN202320357782.9U CN202320357782U CN219417173U CN 219417173 U CN219417173 U CN 219417173U CN 202320357782 U CN202320357782 U CN 202320357782U CN 219417173 U CN219417173 U CN 219417173U
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China
Prior art keywords
sample
screw pump
fixing
bottom end
pump stator
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Active
Application number
CN202320357782.9U
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Chinese (zh)
Inventor
林重
严岭
刘圣乾
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Wuhan Perfect Geometry Electromechanical Equipment Co ltd
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Wuhan Perfect Geometry Electromechanical Equipment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model relates to the technical field of screw pump performance detection, in particular to a screw pump stator rubber bonding strength tester which can intuitively embody the stress state of a sample in the use process and directly embody the screw pump stator rubber bonding performance; the testing device comprises a testing table, a mounting frame and a detection mechanism, wherein the top end of the testing table is connected with the bottom end of the mounting frame, and the detection mechanism is arranged at the top end of the mounting frame; still include fixed establishment, data processing mechanism and supporting mechanism, fixed establishment includes bonding sample, support, top cap, connecting rod, fixed block, pull rod, pin, dead lever and installation piece, and data processing mechanism includes pillar, control cabinet, display screen and control block, and fixed establishment installs the bottom at detection mechanism, fixes the sample, and data processing mechanism installs the top at the testboard, and supporting mechanism installs according to the bottom at the testboard.

Description

Screw pump stator rubber bonding strength tester
Technical Field
The utility model relates to the technical field of screw pump performance detection, in particular to a screw pump stator rubber bonding strength tester.
Background
The screw pump has the characteristics of simple equipment structure, convenient operation, less investment, obvious energy-saving effect and the like. Compared with mechanical extraction modes such as plunger pumps, submersible electric pumps, hydraulic piston pumps and the like, the advantages are obvious, the hydraulic pump is valued by oil fields at home and abroad, the hydraulic pump has become one of main oil extraction tools, and the stator rubber of the screw pump is the most critical and the weakest link of the screw pump and is the main factor for determining the service life of the screw pump. The stator rubber is adhered to the inner wall of the stator tube through an adhesive, the service life of the screw pump is directly determined by the adhesive property of the rubber and the stator tube, so that the detection of the adhesive strength between the stator rubber and the stator tube is a very important performance detection of the screw pump, the service life of the screw pump is directly determined, the screw pump with an improved rubber stator proposed by the prior art with the publication number of CN203685567U comprises an extrusion chamber, a cover plate and a rubber stator arranged between the extrusion chamber and the cover plate, wherein the rubber stator comprises a rubber bushing, a reinforcing framework is embedded in the rubber bushing, and a mounting flange which is convexly arranged on the outer wall of the rubber bushing and is integrally structured with the rubber bushing is embedded in the mounting flange. The existing screw pump stator rubber bonding strength detection is mainly tested according to a single plate stretching and peeling method, but the manufacturing process of a standard sample for testing is different from that of a screw pump, the bonding state of the screw pump stator rubber cannot be well reflected, and the stress state in the testing process is different from that of the screw pump, so that the practicability is poor.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the screw pump stator rubber bonding strength tester which can intuitively embody the stress state of a sample in the use process and directly embody the bonding performance of the screw pump stator rubber.
The utility model relates to a screw pump stator rubber bonding strength tester, which comprises a test bench, a mounting frame and a detection mechanism, wherein the top end of the test bench is connected with the bottom end of the mounting frame, and the detection mechanism is arranged at the top end of the mounting frame; the device also comprises a fixing mechanism, a data processing mechanism and a supporting mechanism, wherein the fixing mechanism is arranged at the bottom end of the detecting mechanism and is used for fixing the sample, the data processing mechanism is arranged at the top end of the test bench, and the supporting mechanism is arranged at the bottom end of the test bench; the detection sample is fixed through the fixing mechanism, so that the stress of the detection pattern is more uniform, the data processing mechanism processes the data detected by the detection mechanism, the detection result can more directly reflect the rubber bonding performance of the stator of the screw pump, the supporting mechanism horizontally adjusts the device, the equipment can also detect on uneven ground, the application range of the equipment is improved, and the practicability is improved.
Preferably, the detection mechanism comprises a top plate, a hydraulic cylinder, a telescopic rod and a tension sensor, wherein the bottoms of the two ends of the top plate are arranged at the top end of the mounting frame, the hydraulic cylinder is arranged at the top end of the middle part of the top plate, the telescopic end of the hydraulic cylinder penetrates through the top end of the top plate to be connected with the top end of the telescopic rod, the tension sensor is arranged at the bottom end of the telescopic rod, and the fixing mechanism is arranged at the bottom end of the tension sensor; the hydraulic cylinder is started to drive the telescopic rod to rise, so that the tension sensor tests a detection sample in the fixing mechanism, the adhesion strength of the detection sample can be tested through the tension sensor, the adhesion performance of the sample can be well reflected, and the practicability is improved.
Preferably, the fixing mechanism comprises an adhesive sample, a support, a top cover, a connecting rod, a fixing block, a pull rod, a pin, a fixing rod and a mounting block, wherein the adhesive sample is intercepted by one end of a screw pump stator, the adhesive sample is in a ring shape and structurally divided into two layers, the outer layer of the sample is a stator tube, the inner layer of the sample is stator rubber, the two layers are adhered, an upper port of the support is provided with an annular step, the width of the step is the same as the thickness of the stator tube, the height of the step is the same as that of the adhesive sample, the adhesive sample is placed on the step, the upper port of the support is in threaded connection with the top cover, the connecting rod is fixed in the center of the upper end face of the mounting frame, the fixing block is hung on the upper surface of the adhesive sample, the diameter of the fixing block corresponds to the inner diameter of the support, the bottom end of the fixing block is fixedly connected with the pull rod, the pull rod penetrates through a central hole of the adhesive sample and a central hole of the bottom of the support, the bottom end of the pull rod is movably fixed at the top end of the fixing rod through the pin, the bottom end of the fixing rod is fixed on the top end of the mounting block, the bottom of the fixing block is fixed on the top of the mounting block, and the bottom of the mounting block is fixed on the test bench; when the device is used, an adhesive sample is placed on the annular step of the support, then the pull rod passes through the central hole of the adhesive sample and the central hole at the bottom of the support, the pull rod is fixed on the top end of the fixing rod through the pin, then the support is installed on the top cover, the hydraulic cylinder is started, the stator tube is pulled upwards through the support, meanwhile, the stator tube is limited and fixed by the fixing block, until the stator tube and the stator rubber are stripped, the adhesive strength of the adhesive sample can be detected, the device is simple in structure, convenient and practical, the stress state of a product in the use process can be well reflected, and the detection accuracy is improved.
Preferably, the data processing mechanism comprises a support column, a control console, a display screen and a control block, wherein the bottom end of the support column is arranged at the right part of the top end of the test table, the control console is arranged at the bottom end of the support column, the display screen is arranged at the front end of the upper part of the control console, the control block is fixedly arranged at the lower part of the front end of the control console, and the control console is connected with the tension sensor through a cable; the detection result of the tension sensor is processed through the control console and displayed through the display screen, so that the test curve of the bonding strength can be visually displayed, the stress state of the bonding sample in the test process can be visually displayed, the bonding performance of the screw pump stator rubber can be more directly reflected, the equipment can be operated through the control console, and the convenience of the equipment in use is improved.
Preferably, the supporting mechanism comprises a plurality of loop bars, a plurality of threaded rods, a plurality of bearings and a plurality of bearing plates, wherein the top ends of the loop bars are respectively and fixedly arranged at four corners of the bottom end of the test bench, threaded holes are formed in the loop bars, the threaded rods are respectively and spirally arranged in the threaded holes of the loop bars, and the bottom ends of the threaded rods are respectively and rotatably arranged at the top ends of the bearing plates through the bearings; the threaded rod is rotated, the length of the threaded rod in the threaded hole of the loop bar is adjusted, the length of the loop bar is adjusted, equipment is supported, the friction force and the contact area between the loop bar and the ground are improved through the bearing plate, and the stability of the equipment is improved.
Preferably, the edge of the fixing block is rounded; through carrying out the chamfer to the edge of fixed block, prevent the edge to the cutting of bonding sample, influence test result, cause the deviation of experimental result.
Compared with the prior art, the utility model has the beneficial effects that: the detection sample is fixed through the fixing mechanism, so that the stress of the detection pattern is more uniform, the data processing mechanism processes the data detected by the detection mechanism, the detection result can more directly reflect the rubber bonding performance of the stator of the screw pump, the supporting mechanism horizontally adjusts the device, the equipment can also detect on uneven ground, the application range of the equipment is improved, and the practicability is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of the structure of the support and the top cover;
FIG. 5 is a schematic cross-sectional view of a support device;
the reference numerals in the drawings: 1. a test bench; 2. a mounting frame; 3. a top plate; 4. a hydraulic cylinder; 5. a telescopic rod; 6. a tension sensor; 7. bonding the sample; 701. a stator tube; 702. a stator rubber; 8. a support; 9. a top cover; 10. a connecting rod; 11. a fixed block; 12. a pull rod; 13. a pin; 14. a fixed rod; 15. a mounting block; 16. a support post; 17. a console; 18. a display screen; 19. a control block; 20. a loop bar; 21. a threaded rod; 22. a bearing; 23. and a bearing plate.
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.
As shown in fig. 1 and 2, the detection mechanism comprises a top plate 3, a hydraulic cylinder 4, a telescopic rod 5 and a tension sensor 6, wherein the bottoms of the two ends of the top plate 3 are arranged at the top end of a mounting frame 2, the hydraulic cylinder 4 is arranged at the top end of the middle part of the top plate 3, the telescopic end of the hydraulic cylinder 4 passes through the top end of the top plate 3 to be connected with the top end of the telescopic rod 5, the tension sensor 6 is arranged at the bottom end of the telescopic rod 5, the fixing mechanism is arranged at the bottom end of the tension sensor 6, the data processing mechanism comprises a support column 16, a control table 17, a display screen 18 and a control block 19, the bottom end of the support column 16 is arranged at the right part of the top end of the test table 1, the control table 17 is arranged at the bottom end of the support column 16, the display screen 18 is arranged at the front end of the upper part of the control table 17, and the control block 19 is fixedly arranged at the lower part of the front end of the control table 17, and the control table 17 is connected with the tension sensor 6 through a cable;
the hydraulic cylinder 4 is started to drive the telescopic rod 5 to rise, thereby make the tensile force sensor 6 test the detection sample in the fixed establishment, can test the adhesive strength of detection sample through the tensile force sensor 6, can embody the adhesive property of sample well, improve the practicality, handle the testing result of tensile force sensor 6 through control panel 17, and show through display screen 18, can audio-visual show adhesive strength's test curve, audio-visual show adhesive sample 7 stress state in the testing process, can embody screw pump stator rubber adhesive property more directly, can operate equipment through control block 19, convenience when improving equipment use.
As shown in fig. 3 and 4, the fixing mechanism comprises an adhesive sample 7, a support 8, a top cover 9, a connecting rod 10, a fixing block 11, a pull rod 12, a pin 13, a fixing rod 14 and a mounting block 15, wherein the adhesive sample 7 is intercepted by one end of a screw pump stator and is in a circular ring shape, the adhesive sample 7 is structurally divided into two layers, the outer layer of the sample is a stator tube 701, the inner layer of the sample is a stator rubber 702, the two layers are adhered, the upper port of the support 8 is provided with an annular step, the width of the step is the same as the thickness of the stator tube 701, the height of the step is the same as the height of the adhesive sample 7, the adhesive sample 7 is placed on the step, the upper port of the support 8 is in threaded connection with the top cover 9, the connecting rod 10 is fixed in the center of the upper end face of the mounting frame 2, the fixing block 11 is hung on the upper surface of the adhesive sample 7, the diameter of the fixing block corresponds to the inner diameter of the support 8, the bottom end of the fixing block 11 is fixedly connected with the pull rod 12, the bottom end of the pull rod 12 penetrates through a central hole of the adhesive sample 7 and a central hole at the bottom of the support 8, the bottom of the pull rod 12 is movably fixed on the top end of the fixing rod 14 through the pin 13, the bottom end of the fixing rod 14 is fixed on the top end of the fixing block 15, the top end of the fixing block 14 is fixed on the top end of the fixing block 15 through the pin 13, the top end is the top end of the fixing block 15 is in the same as the thickness as the top end of the fixing block 15, and the fixing table 1 is also provided with a round corner;
when the device is used, the bonding sample 7 is placed on the annular step of the support 8, then the pull rod 12 passes through the center hole of the bonding sample 7 and the center hole at the bottom of the support 8, the pull rod is fixed at the top end of the fixing rod 14 through the pin 13, then the support 8 is installed on the top cover 9, the hydraulic cylinder 4 is started, the stator tube 701 is pulled upwards through the support 8, meanwhile, the fixing block 11 is used for limiting and fixing the stator rubber 702 until the stator tube 701 and the stator rubber 702 are stripped, so that the bonding strength of the bonding sample 7 can be detected.
As shown in fig. 1 and 5, the supporting mechanism comprises a plurality of loop bars 20, a plurality of threaded rods 21, a plurality of bearings 22 and a plurality of bearing plates 23, wherein the top ends of the loop bars 20 are respectively and fixedly installed at four corners of the bottom end of the test bench 1, threaded holes are formed in the loop bars 20, the threaded rods 21 are respectively and spirally installed in the threaded holes of the loop bars 20, and the bottom ends of the threaded rods 21 are respectively and rotatably installed at the top ends of the bearing plates 23 through the bearings 22;
the threaded rod 21 is rotated, the length of the threaded rod 21 in the threaded hole of the loop bar 20 is adjusted, so that the length of the loop bar 20 is adjusted, equipment is supported, the friction force and the contact area between the loop bar 20 and the ground are improved through the bearing plate 23, and the stability of the equipment is improved.
As shown in fig. 1 to 5, when the tester for the adhesive strength of the stator rubber of the screw pump is in operation, firstly, the threaded rod 21 is rotated, the length of the threaded rod 21 in the threaded hole of the sleeve rod 20 is adjusted, so that the length of the sleeve rod 20 is adjusted, equipment is supported, then, an adhesive sample 7 is placed on an annular step of a support 8, a pull rod 12 passes through a central hole of the adhesive sample 7 and a central hole at the bottom of the support 8, the pull rod 12 is fixed at the top end of a fixed rod 14 through a pin 13, then the support 8 is arranged on a top cover 9, a hydraulic cylinder 4 is started through a control block 19 to drive the telescopic rod 5 to rise, so that a tension sensor 6 pulls a stator tube 701 upwards through the support 8, meanwhile, a fixed block 11 carries out limit fixation on stator rubber 702 until the stator tube 701 is peeled off from the stator rubber 702, a detection result of the tension sensor 6 is processed through a control console 17, a stress state curve of the adhesive sample 7 in the test process is displayed through a display screen 18, and the test result is recorded.
The main functions realized by the utility model are as follows: through setting up fixed establishment, place bonding sample 7 on the annular step of support 8, upwards stimulate stator pipe 701 through support 8, fixed block 11 carries out spacing fixed to stator rubber 702 simultaneously, until stator pipe 701 peels off with stator rubber 702, can detect bonding strength of bonding sample 7, can embody the stress state of product in the use well, and handle the testing result of tension sensor 6 through control panel 17, display screen 18 shows, make the testing result can embody screw pump stator rubber adhesive property more directly.
The installation mode, the connection mode or the setting mode of the screw pump stator rubber bonding strength tester are common mechanical modes, and can be implemented as long as the beneficial effects of the tester can be achieved; the used sample can be directly intercepted from the stator of the screw pump, and the sample is completely consistent with the manufacturing process of the product, so that the adhesive property of the product can be well reflected; the tension sensor 6 and the control console 17 of the screw pump stator rubber bonding strength tester are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached instruction of the person, without the need of creative labor of the person skilled in the art.
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 (6)

1. The utility model provides a screw pump stator rubber bonding strength tester, includes testboard (1), mounting bracket (2) and detection mechanism, and the top of testboard (1) is connected with the bottom of mounting bracket (2), and detection mechanism installs on the top of mounting bracket (2); the device is characterized by further comprising a fixing mechanism, a data processing mechanism and a supporting mechanism, wherein the fixing mechanism is arranged at the bottom end of the detecting mechanism and is used for fixing a sample, the data processing mechanism is arranged at the top end of the test bench (1), and the supporting mechanism is arranged at the bottom end of the test bench (1).
2. The screw pump stator rubber bonding strength tester according to claim 1, wherein the detection mechanism comprises a top plate (3), a hydraulic cylinder (4), a telescopic rod (5) and a tension sensor (6), the bottoms of the two ends of the top plate (3) are arranged at the top end of the mounting frame (2), the hydraulic cylinder (4) is arranged at the top end of the middle part of the top plate (3), the telescopic end of the hydraulic cylinder (4) penetrates through the top end of the top plate (3) to be connected with the top end of the telescopic rod (5), the tension sensor (6) is arranged at the bottom end of the telescopic rod (5), and the fixing mechanism is arranged at the bottom end of the tension sensor (6).
3. The screw pump stator rubber bonding strength tester according to claim 2, wherein the fixing mechanism comprises a bonding sample (7), a support (8), a top cover (9), a connecting rod (10), a fixing block (11), a pull rod (12), a pin (13), a fixing rod (14) and a mounting block (15), the bonding sample (7) is intercepted by one end of the screw pump stator, the shape is circular, the bonding sample (7) is structurally divided into two layers, the outer layer of the sample is a stator tube (701), the inner layer of the sample is a stator rubber (702), bonding is carried out between the two layers, the upper port of the support (8) is provided with an annular step, the width of the step is the same as the thickness of the stator tube (701), the height of the step is the same as the height of the bonding sample (7), the bonding sample (7) is placed on the step, the upper port of the support (8) is in threaded connection with the top cover (9), the connecting rod (10) is fixed at the center of the upper end face of the mounting frame (2), the fixing block (11) is hung on the upper surface of the bonding sample (7), the diameter of the bonding sample is corresponding to the inner diameter of the support (8), the bottom end of the fixing block (11) is connected with the bottom end of the fixing block (12) through the fixing rod (12) and the pin (12) penetrates through the center of the fixing hole (13) of the fixing rod (12), the bottom of dead lever (14) is fixed on the top of installation piece (15), and the bottom of installation piece (15) is fixed on the top of testboard (1).
4. The screw pump stator rubber bonding strength tester according to claim 2, wherein the data processing mechanism comprises a support column (16), a control console (17), a display screen (18) and a control block (19), the bottom end of the support column (16) is arranged at the right part of the top end of the test table (1), the control console (17) is arranged at the bottom end of the support column (16), the display screen (18) is arranged at the front end of the upper part of the control console (17), the control block (19) is fixedly arranged at the lower part of the front end of the control console (17), and the control console (17) is connected with the tension sensor (6) through a cable.
5. The screw pump stator rubber bonding strength tester according to claim 1, wherein the supporting mechanism comprises a plurality of loop bars (20), a plurality of threaded rods (21), a plurality of bearings (22) and a plurality of bearing plates (23), the top ends of the loop bars (20) are respectively fixedly installed at four corners of the bottom end of the test board (1), threaded holes are formed in the loop bars (20), the threaded rods (21) are all screwed into the threaded holes of the loop bars (20), and the bottom ends of the threaded rods (21) are all rotatably installed at the top ends of the bearing plates (23) through the bearings (22).
6. A screw pump stator rubber bonding strength tester as claimed in claim 3, further comprising a fixing block (11) with rounded edges.
CN202320357782.9U 2023-02-27 2023-02-27 Screw pump stator rubber bonding strength tester Active CN219417173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320357782.9U CN219417173U (en) 2023-02-27 2023-02-27 Screw pump stator rubber bonding strength tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320357782.9U CN219417173U (en) 2023-02-27 2023-02-27 Screw pump stator rubber bonding strength tester

Publications (1)

Publication Number Publication Date
CN219417173U true CN219417173U (en) 2023-07-25

Family

ID=87230088

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320357782.9U Active CN219417173U (en) 2023-02-27 2023-02-27 Screw pump stator rubber bonding strength tester

Country Status (1)

Country Link
CN (1) CN219417173U (en)

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