Large hydraulic gate P-type water seal compression friction performance testing machine and method

Abstract

The invention provides a large hydraulic gate P-type water seal compression friction performance testing machine and method, the large hydraulic gate P-type water seal compression friction performance testing machine comprises a machine body base, the top of the machine body base is fixedly provided with a power device used for providing power, and the output end of the power device is connected with a crank connecting rod mechanism used for providing reciprocating motion and extrusion power; a connecting rod of the crank connecting rod mechanism is hinged to a reciprocating sliding mechanism, the reciprocating sliding mechanism is installed on the top of the machine body base, a vertical lifting mechanism is installed on the outer wall of a sliding plate of the reciprocating sliding mechanism, and a friction test plate is installed at the tail end of the vertical lifting mechanism. A first clamping plate for fixing a P-type water seal to be tested is arranged right below the friction test plate; an extrusion plate is fixed to the outer wall of the sliding plate, a second clamping plate is fixedly installed on the side face of the extrusion plate through a vertical installation base structure, and the outer wall of the second clamping plate is used for fixing another to-be-tested P-type water seal. According to the testing machine, the comprehensive test of the compression performance and the wear resistance of the P-type water seal can be comprehensively realized, and the defect that the performance test needs to be carried out by adopting two pieces of independent equipment traditionally is effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of P-type water seal performance testing, in particular to a large-scale hydraulic gate P-type water seal compression friction performance testing machine. Background Art

[0002] There are many hydraulic gates in the underground cavern corridors of the hydropower station. These hydraulic gates must have high-performance water-retaining and sealing performance. In order to ensure their sealing performance, P-type water seals are usually set as sealing structures at the positions where the door panels and door frames of the gates cooperate. The compression performance and wear resistance of the P-type water seals are the key factors affecting the performance of the water seals. Therefore, in order to ensure the sealing performance of the water seals in the later stage, the compression performance and wear resistance of the P-type water seals need to be tested before installation.

[0003] The existing compression performance and friction performance tests are conducted using compression performance testing machines and friction performance testing machines respectively. The equipment costs are relatively high and comprehensive performance research cannot be achieved.

[0004] In addition, for different gates, the required P-type water seals have different sizes and models. During the performance test, it is necessary to ensure that the testing machine can adapt well to different types of P-type water seals. Summary of the invention

[0005] In order to solve the current technical problems, the main purpose of the present invention is to provide a large hydraulic gate P-type water seal compression friction performance testing machine and method. This testing machine can comprehensively realize the comprehensive test of the compression performance and wear resistance of the P-type water seal, effectively avoiding the traditional defect of needing to use two separate devices to conduct its performance test.

[0006] In order to realize the above-mentioned technical features, the purpose of the present invention is realized as follows: a large-scale hydraulic gate P-type water seal compression friction performance testing machine comprises a body base, a power device for providing power is fixed on the top of the body base, the output end of the power device is connected to a crank-connecting rod mechanism for providing reciprocating motion and extrusion power, the connecting rod of the crank-connecting rod mechanism is hingedly connected to the reciprocating sliding mechanism, the reciprocating sliding mechanism is installed on the top of the body base, a vertical lifting mechanism is installed on the outer wall of the sliding plate of the reciprocating sliding mechanism, a friction test plate is installed at the end of the vertical lifting mechanism, and a first clamping plate for fixing the P-type water seal to be tested is arranged directly below the friction test plate; an extrusion plate is fixed on the outer wall of the sliding plate, and a second clamping plate is fixedly installed on the side of the extrusion plate through a vertical mounting seat structure, and the outer wall of the second clamping plate is used to fix another group of P-type water seals to be tested.

[0007] The body base comprises a base plate, and foot pads are fixed to the four corners of the bottom of the base plate through anchor screws, and locking nuts are fixed to the anchor screws.

[0008] The power device includes an L-shaped mounting seat fixed on the top of the body base, a motor mounting plate is fixedly mounted on the upper outer wall of the L-shaped mounting seat through a long connecting rod, a motor is fixedly mounted on the outer wall of the motor mounting plate, and the output shaft of the motor is connected to the crank-connecting rod mechanism through a coupling.

[0009] The crank-connecting rod mechanism comprises a turntable installed at the output end of the coupling, a plurality of connecting rod mounting holes with different radial distances are arranged on the outer wall of the turntable, a connecting rod is hinged at the position of the connecting rod mounting hole, and the other end of the connecting rod is hingedly connected to the reciprocating sliding mechanism.

[0010] The reciprocating sliding mechanism comprises a fixed plate fixed on the top of the machine body base, a slide rail mounting plate is fixed on the top of the fixed plate, parallel slide rails are fixed on the outer wall of the slide rail mounting plate, and a slide plate is slidably mounted on the slide rails through a slider.

[0011] The vertical lifting mechanism includes a first screw seat fixed on the outer wall of the sliding plate, a first screw is rotatably mounted on the first screw seat, a first sliding seat is mounted on the bottom end of the first screw through threaded transmission, a first hand wheel is fixed on the top end of the first screw, and the friction test plate is fixed on the first sliding seat.

[0012] The friction test plate includes a vertical slider, which is slidably mounted on a first vertical slide groove on the outer wall of the sliding plate. The vertical slider is also fixedly connected to the first sliding seat. A friction block mounting plate is fixed to the bottom end of the vertical slider, and a friction block for contacting and cooperating with a P-type water seal is fixed to the bottom end of the friction block mounting plate.

[0013] The extrusion plate comprises an L-shaped fixing plate fixed on the outer wall of the sliding plate, the outer wall of the L-shaped fixing plate is fixed with an extrusion plate, and the extrusion plate is in contact with and matched with the second clamping plate; The vertical mounting seat structure comprises a slide groove limiting plate fixed in parallel to the top of the machine body base, a sliding cross plate is slidably installed between the slide groove limiting plates, and a U-shaped box plate is fixed on the top of the sliding cross plate.

[0014] The vertical mounting seat structure is connected to a lateral sliding mechanism for driving its fine adjustment. The lateral sliding mechanism includes a second screw seat fixed on the top of the machine body base, on which a second screw is rotatably mounted. The second screw and a second nut seat fixed on the vertical mounting seat structure form a threaded transmission fit, and a second hand wheel is installed at the end of the second screw.

[0015] A test method for the compression friction performance of a P-type water seal of a large hydraulic gate, the test method being carried out using the test machine, comprising the following steps: Step 1: Fixed installation of the P-type water seal to be tested for friction: Fixing the P-type water seal to be subjected to the friction test on the first clamping plate; Step 2: Fixed installation of the P-type water seal to be extruded: Fixing the P-type water seal to be subjected to the extrusion test on the second clamping plate; Step 3: Adjustment of the height of the friction test plate: According to the size of the P-type water seal, manually adjust the vertical lifting mechanism, adjust the height of the friction test plate through the vertical lifting mechanism, and ensure that a certain extrusion pressure is maintained with the P-type water seal; Step 4: Adjustment of the lateral position of the second clamping plate: According to the size of the P-type water seal, manually adjust the lateral sliding mechanism to adjust the installation position of the P-type water seal and ensure that it can be extruded and matched with the extrusion plate; Step 5: Friction performance and extrusion test: Start the power device, drive the crank-connecting rod mechanism through the power device, drive the reciprocating sliding mechanism through the crank-connecting rod mechanism, drive the friction test plate and the extrusion plate to reciprocate through the reciprocating sliding mechanism, and make the friction test plate frictionally contact with the surface of the P-type water seal on the first clamping plate, and make the extrusion plate frictionally contact with the surface of the P-type water seal on the second clamping plate; Step 6: Friction and extrusion performance analysis: By setting the running time of the power unit, after running for a period of time, the P-type water seal is removed, and then the performance analysis of the wear and extrusion damage of the P-type water seal is carried out.

[0016] The present invention has the following beneficial effects: 1. This testing machine can comprehensively test the compression performance and wear resistance of P-type water seals, effectively avoiding the defect of traditional performance testing that requires two separate devices.

[0017] 2. The above-mentioned machine base can be used to provide reliable fixed support for the entire testing machine, and the base plate can be leveled through the anchor screws.

[0018] 3. The above-mentioned power device can be used to provide power during the test.

[0019] 4. The crank-connecting rod mechanism can be used to provide reciprocating motion.

[0020] 5. The reciprocating sliding mechanism can be used to achieve reciprocating motion.

[0021] 6. The vertical lifting mechanism can be used to adjust the height of the friction test plate to adapt to P-type water seals of different sizes and models, and can also be used to adjust the friction force during the test.

[0022] 7. The friction test plate can be used to slide in contact with a P-type water seal to conduct a contact friction test.

[0023] 8. The extrusion plate can be driven by the sliding plate to perform an extrusion test with the P-type water seal on the vertical mounting seat structure, thereby testing its extrusion performance.

[0024] 9. The vertical mounting seat structure mentioned above can be used to fix and install the second clamping plate.

[0025] 10. The lateral sliding mechanism can be used to adjust the lateral position of the vertical mounting seat structure, so that it can adapt to the extrusion test of P-type water seals of different sizes and models, and can adjust the extrusion force. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Figure 1 This is a three-dimensional diagram from the first perspective of the present invention.

[0028] Figure 2 This is a three-dimensional diagram from a second viewing angle of the present invention.

[0029] Figure 3 It is a three-dimensional diagram from the third viewing angle of the present invention.

[0030] Figure 4 It is the front view of the present invention.

[0031] Figure 5 It is a top view of the present invention.

[0032] Figure 6 It is the right side view of the present invention.

[0033] Figure 7 For the present invention Figure 4 Medium AA view.

[0034] In the figure: body base 1, power device 2, crank connecting rod mechanism 3, first clamping plate 4, P-type water seal 5, friction test plate 6, reciprocating sliding mechanism 7, vertical lifting mechanism 8, extrusion plate 9, second clamping plate 10, vertical mounting seat structure 11, lateral sliding mechanism 12; Base plate 101, anchor screw 102, locking nut 103; Motor 201, long connecting rod 202, coupling 203, motor mounting plate 204, L-shaped mounting seat 205; Connecting rod mounting hole 301, rotating disk 302, connecting rod 303; Friction block 601, friction block mounting plate 602, vertical sliding block 603, first vertical sliding groove 604; Fixed plate 701, slide rail 702, slider 703, sliding plate 704, slide rail mounting plate 705; A first hand wheel 801, a first screw seat 802, a first screw 803, and a first sliding seat 804; L-shaped fixing plate 901, extrusion plate 902; U-shaped box plate 1101, chute limiting plate 1102, sliding cross plate 1103; The second hand wheel 1201 , the second screw rod 1202 , the second screw rod seat 1203 , and the second nut seat 1204 . DETAILED DESCRIPTION

[0035] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0036] Embodiment 1: See also Figure 1-7 A large hydraulic gate P-type water seal compression friction performance testing machine comprises a body base 1, a power device 2 for providing power is fixed on the top of the body base 1, the output end of the power device 2 is connected to a crank-connecting rod mechanism 3 for providing reciprocating motion and extrusion power, the connecting rod 303 of the crank-connecting rod mechanism 3 is hingedly connected to a reciprocating sliding mechanism 7, the reciprocating sliding mechanism 7 is installed on the top of the body base 1, a vertical lifting mechanism 8 is installed on the outer wall of a sliding plate 704 of the reciprocating sliding mechanism 7, a friction test plate 6 is installed at the end of the vertical lifting mechanism 8, and a first clamping plate 4 for fixing a P-type water seal 5 to be tested is arranged directly below the friction test plate 6; an extrusion plate 9 is fixed on the outer wall of the sliding plate 704, and a second clamping plate 10 is fixedly installed on the side of the extrusion plate 9 through a vertical mounting seat structure 11, and the outer wall of the second clamping plate 10 is used to fix another group of P-type water seals 5 to be tested. This testing machine can comprehensively realize the comprehensive test of the compression performance and wear resistance of the P-type water seal, effectively avoiding the defect of the traditional need to use two separate devices to perform its performance test. In the specific test process, the crank connecting rod mechanism 3 is driven by the power device 2, and the reciprocating sliding mechanism 7 is driven by the crank connecting rod mechanism 3. The friction test plate 6 and the extrusion plate 9 are driven to reciprocate through the reciprocating sliding mechanism 7. The friction test plate 6 is in friction contact with the surface of the P-type water seal 5 on the first clamping plate 4, and the extrusion plate 9 is in friction contact with the surface of the P-type water seal 5 on the second clamping plate 10. Thus, the friction and extrusion performance tests are completed at the same time.

[0037] Furthermore, the machine body base 1 includes a base plate 101, and foot pads 104 are fixed to the four corners of the bottom of the base plate 101 through anchor screws 102, and locking nuts 103 are fixed to the anchor screws 102. The above-mentioned machine body base 1 can be used to reliably fix and support the entire test machine. And the base plate 101 can be leveled through the anchor screws 102.

[0038] Further, the power device 2 includes an L-shaped mounting seat 205 fixed on the top of the body base 1, a motor mounting plate 204 is fixedly mounted on the upper outer wall of the L-shaped mounting seat 205 through a long connecting rod 202, a motor 201 is fixedly mounted on the outer wall of the motor mounting plate 204, and the output shaft of the motor 201 is connected to the crank-connecting rod mechanism 3 through a coupling 203. The power device 2 can be used to provide power during the test process. During the working process, the coupling 203 is driven by the motor 201, and the crank-connecting rod mechanism 3 is driven by the coupling 203.

[0039] Further, the crank-connecting rod mechanism 3 includes a rotating disk 302 installed at the output end of the coupling 203, and a plurality of connecting rod mounting holes 301 with different radial distances are arranged on the outer wall of the rotating disk 302. A connecting rod 303 is hinged at the location of the connecting rod mounting hole 301, and the other end of the connecting rod 303 is hingedly connected to the reciprocating sliding mechanism 7. The crank-connecting rod mechanism 3 can be used to provide reciprocating motion. During operation, the rotating disk 302 is driven by the motor 201, the connecting rod 303 is driven by the rotating disk 302, and the reciprocating sliding mechanism 7 is driven to reciprocate by the connecting rod 303.

[0040] Further, the reciprocating sliding mechanism 7 includes a fixed plate 701 fixed to the top of the machine body base 1, a slide rail mounting plate 705 is fixed to the top of the fixed plate 701, parallel slide rails 702 are fixed to the outer wall of the slide rail mounting plate 705, and a sliding plate 704 is slidably mounted on the slide rail 702 through a slider 703. The reciprocating sliding mechanism 7 can be used to achieve reciprocating motion. During operation, the fixed plate 701 is driven by the connecting rod 303, and the fixed plate 701 slides back and forth on the slide rail 702.

[0041] Furthermore, the vertical lifting mechanism 8 includes a first screw seat 802 fixed on the outer wall of the sliding plate 704, a first screw 803 is rotatably mounted on the first screw seat 802, a first sliding seat 804 is mounted on the bottom end of the first screw 803 through threaded transmission, a first hand wheel 801 is fixed on the top end of the first screw 803, and the friction test plate 6 is fixed on the first sliding seat 804. The vertical lifting mechanism 8 can be used to adjust the height of the friction test plate 6, thereby adapting to P-type water seals 6 of different sizes and models, and can also be used to adjust the friction force during the test process.

[0042] Furthermore, the friction test plate 6 includes a vertical slider 603, which is mounted on a first vertical slide groove 604 on the outer wall of the slide plate 704 by sliding, and is fixedly connected to the first slide seat 804. A friction block mounting plate 602 is fixed to the bottom end of the vertical slider 603, and a friction block 601 for contacting and cooperating with the P-type water seal 5 is fixed to the bottom end of the friction block mounting plate 602. The friction test plate 6 can be used to contact and slide with the P-type water seal 5, and then conduct a contact friction test.

[0043] Furthermore, the extrusion plate 9 includes an L-shaped fixing plate 901 fixed on the outer wall of the sliding plate 704, and an extrusion plate 902 is fixed on the outer wall of the L-shaped fixing plate 901, and the extrusion plate 902 is in contact and cooperation with the second clamping plate 10; through the above-mentioned extrusion plate 9, it can be driven by the sliding plate 704 to perform an extrusion test with the P-type water seal on the vertical mounting seat structure 11, and then its extrusion performance can be tested.

[0044] Furthermore, the vertical mounting seat structure 11 includes a slide groove limit plate 1102 fixed parallel to the top of the body base 1, a sliding cross plate 1103 is slidably installed between the slide groove limit plates 1102, and a U-shaped box plate 1101 is fixed to the top of the sliding cross plate 1103. The vertical mounting seat structure 11 can be used to fix and install the second clamping plate 10.

[0045] Furthermore, the vertical mounting seat structure 11 is connected to a lateral sliding mechanism 12 for driving its fine adjustment. The lateral sliding mechanism 12 includes a second screw seat 1203 fixed on the top of the body base 1. A second screw 1202 is rotatably mounted on the second screw seat 1203. The second screw 1202 and a second nut seat 1204 fixed on the vertical mounting seat structure 11 form a threaded transmission match. A second hand wheel 1201 is installed at the end of the second screw 1202. The lateral sliding mechanism 12 can be used to adjust the lateral position of the vertical mounting seat structure 11, so that it can adapt to the extrusion test of P-type water seals 5 of different sizes and models, and can achieve the adjustment of the extrusion force. During the adjustment process, the second screw 1202 is manually rotated to drive the vertical mounting seat structure 11 to achieve lateral sliding.

[0046] Embodiment 2: A test method for the compression friction performance of a P-type water seal of a large hydraulic gate, the test method being carried out using the test machine, comprising the following steps: Step 1: Fixed installation of the P-type water seal to be tested for friction: Fix the P-type water seal 5 to be subjected to the friction test on the first clamping plate 4; Step 2: Fixed installation of the P-type water seal to be extruded: Fix the P-type water seal 5 to be subjected to the extrusion test on the second clamping plate 10; Step 3: Adjustment of the height of the friction test plate 6: According to the size of the P-type water seal 5, the vertical lifting mechanism 8 is manually adjusted, and the height of the friction test plate 6 is adjusted by the vertical lifting mechanism 8, and a certain squeezing force is ensured to be maintained with the P-type water seal 5; Step 4: Adjustment of the lateral position of the second clamping plate 10: According to the size of the P-type water seal 5, manually adjust the lateral sliding mechanism 12, and then adjust the installation position of the P-type water seal 5 to ensure that it can be squeezed and matched with the extrusion plate 9; Step 5: Friction performance and extrusion test: The power device 2 is started, the crank connecting rod mechanism 3 is driven by the power device 2, the reciprocating sliding mechanism 7 is driven by the crank connecting rod mechanism 3, the friction test plate 6 and the extrusion plate 9 are driven to reciprocate by the reciprocating sliding mechanism 7, the friction test plate 6 is in friction contact with the surface of the P-type water seal 5 on the first clamping plate 4, and the extrusion plate 9 is in friction contact with the surface of the P-type water seal 5 on the second clamping plate 10; Step 6: Friction and extrusion performance analysis: By setting the running time of the power device 2, after running for a period of time, the P-type water seal 5 is removed, and then the wear amount and extrusion damage of the P-type water seal 5 are analyzed for performance.

Claims

1. Large hydraulic gate P-type water seal compression friction performance testing machine, characterized by: The invention comprises a machine body base (1), a power device (2) for providing power is fixed on the top of the machine body base (1), an output end of the power device (2) is connected to a crank connecting rod mechanism (3) for providing reciprocating motion and extrusion power, a connecting rod (303) of the crank connecting rod mechanism (3) is hingedly connected to a reciprocating sliding mechanism (7), the reciprocating sliding mechanism (7) is mounted on the top of the machine body base (1), a vertical lifting mechanism (8) is mounted on the outer wall of a sliding plate (704) of the reciprocating sliding mechanism (7), a friction test plate (6) is mounted at the end of the vertical lifting mechanism (8), and a first clamping plate (4) for fixing a P-type water seal (5) to be tested is arranged directly below the friction test plate (6); an extrusion plate (9) is fixed on the outer wall of the sliding plate (704), a second clamping plate (10) is fixedly mounted on the side of the extrusion plate (9) via a vertical mounting seat structure (11), and another group of P-type water seals (5) to be tested are fixed on the outer wall of the second clamping plate (10).

2. According to claim 1, the large hydraulic gate P-type water seal compression friction performance testing machine is characterized by: The machine body base (1) comprises a base plate (101), and foot pads (104) are fixed to the four corners of the bottom of the base plate (101) via anchor screws (102), and locking nuts (103) are fixed to the anchor screws (102).

3. According to claim 1, the large hydraulic gate P-type water seal compression friction performance testing machine is characterized by: The power device (2) comprises an L-shaped mounting seat (205) fixed on the top of the machine body base (1); a motor mounting plate (204) is fixedly mounted on the upper outer wall of the L-shaped mounting seat (205) via a long connecting rod (202); a motor (201) is fixedly mounted on the outer wall of the motor mounting plate (204); and an output shaft of the motor (201) is connected to the crank-connecting rod mechanism (3) via a coupling (203).

4. According to claim 3, the large hydraulic gate P-type water seal compression friction performance testing machine is characterized by: The crank-connecting rod mechanism (3) comprises a rotating disk (302) mounted on the output end of the coupling (203); a plurality of connecting rod mounting holes (301) at different radial distances are arranged on the outer wall of the rotating disk (302); a connecting rod (303) is hingedly connected to the connecting rod mounting hole (301); and the other end of the connecting rod (303) is hingedly connected to the reciprocating sliding mechanism (7).

5. According to claim 3, the large hydraulic gate P-type water seal compression friction performance testing machine is characterized by: The reciprocating sliding mechanism (7) comprises a fixed plate (701) fixed to the top of the machine body base (1); a slide rail mounting plate (705) is fixed to the top of the fixed plate (701); parallel-arranged slide rails (702) are fixed to the outer wall of the slide rail mounting plate (705); and a sliding plate (704) is slidably mounted on the slide rails (702) via a slider (703).

6. According to claim 1, the large hydraulic gate P-type water seal compression friction performance testing machine is characterized by: The vertical lifting mechanism (8) comprises a first screw seat (802) fixed on the outer wall of the sliding plate (704), a first screw (803) being rotatably mounted on the first screw seat (802), a first sliding seat (804) being mounted on the bottom end of the first screw (803) via threaded transmission, a first hand wheel (801) being fixed on the top end of the first screw (803), and a friction test plate (6) being fixed on the first sliding seat (804).

7. The large hydraulic gate P-type water seal compression friction performance testing machine according to claim 6 is characterized by: The friction test plate (6) comprises a vertical slider (603), which is slidably mounted on a first vertical slide groove (604) on the outer wall of a sliding plate (704), and the vertical slider (603) is fixedly connected to a first sliding seat (804). A friction block mounting plate (602) is fixed to the bottom end of the vertical slider (603), and a friction block (601) for contacting and cooperating with a P-type water seal (5) is fixed to the bottom end of the friction block mounting plate (602).

8. According to claim 6, the large hydraulic gate P-type water seal compression friction performance testing machine is characterized by: The extrusion plate (9) comprises an L-shaped fixing plate (901) fixed on the outer wall of the sliding plate (704), an extrusion plate (902) is fixed on the outer wall of the L-shaped fixing plate (901), and the extrusion plate (902) is in contact with and matched with the second clamping plate (10); The vertical mounting seat structure (11) comprises a slide groove limiting plate (1102) fixed in parallel to the top of the machine body base (1), a sliding cross plate (1103) is slidably installed between the slide groove limiting plates (1102), and a U-shaped box plate (1101) is fixed to the top of the sliding cross plate (1103).

9. The large hydraulic gate P-type water seal compression friction performance testing machine according to claim 8, characterized in that: The vertical mounting seat structure (11) is connected to a lateral sliding mechanism (12) for driving fine adjustment thereof, the lateral sliding mechanism (12) comprising a second screw seat (1203) fixed to the top of the machine body base (1), a second screw (1202) being rotatably mounted on the second screw seat (1203), the second screw (1202) and a second nut seat (1204) fixed to the vertical mounting seat structure (11) forming a threaded transmission fit, and a second hand wheel (1201) being mounted at the end of the second screw (1202).

10. Test method for compression friction performance of P-type water seal of large hydraulic gate, characterized in that: The test method is carried out using the test machine described in any one of claims 1 to 9, and comprises the following steps: Step 1: Fixed installation of the P-type water seal to be tested for friction: Fixing the P-type water seal (5) to be subjected to the friction test on the first clamping plate (4); Step 2: Fixed installation of the P-type water seal to be extruded: Fixing the P-type water seal (5) to be subjected to the extrusion test on the second clamping plate (10); Step 3: Adjustment of the height of the friction test plate (6): According to the size of the P-type water seal (5), the vertical lifting mechanism (8) is manually adjusted, and the height of the friction test plate (6) is adjusted by the vertical lifting mechanism (8), and a certain squeezing force is maintained with the P-type water seal (5); Step 4: Adjustment of the lateral position of the second clamping plate (10): According to the size of the P-type water seal (5), the lateral sliding mechanism (12) is manually adjusted to thereby adjust the installation position of the P-type water seal (5) and ensure that it can be extruded and matched with the extrusion plate (9); Step 5: Friction performance and extrusion test: The power device (2) is started, the crank connecting rod mechanism (3) is driven by the power device (2), the reciprocating sliding mechanism (7) is driven by the crank connecting rod mechanism (3), the friction test plate (6) and the extrusion plate (9) are driven to reciprocate by the reciprocating sliding mechanism (7), the friction test plate (6) is brought into frictional contact with the surface of the P-type water seal (5) on the first clamping plate (4), and the extrusion plate (9) is brought into frictional contact with the surface of the P-type water seal (5) on the second clamping plate (10); Step 6: Friction and extrusion performance analysis: By setting the operating time of the power device (2), after a period of operation, the P-type water seal (5) is removed, and the wear amount and extrusion damage of the P-type water seal (5) are then analyzed for performance.

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