Hoop reciprocating test device and test method
By designing the clamp reciprocating test device, using coupling shafts, spindles, connecting rod bearings, rotary shafts, drive devices, induction counting devices and push-pull force gauges, the problem that existing test devices cannot perform clamp reciprocating tests, and achieve fast and accurate clamp wear life and reciprocating measurements.
Patent Information
- Application Number
- CN202510041985.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-01-19
- Filing Date
- 2025-01-10
- Publication Date
- 2025-02-25
AI Technical Summary
The existing test devices cannot perform reciprocating tests related to the life of the clamp, resulting in a shortcut for measuring wear life and retention force, relying on manual simulation and repeated operations, which is time-consuming and labor-intensive and unstable.
A clamp reciprocating test device is designed, including a coupling shaft, a spindle, a connecting rod bearing, a rotating shaft, a driving device, an induction counting device and a push-pull force gauge. Through the combination and assembly of these components, the reciprocating movement of the clamp is realized, and the number of tests is recorded through the induction counting device, and the holding force gauge is measured.
It realizes rapid and accurate measurement of clamp wear life and retention force, reduces the instability of manual operation, improves test efficiency and accuracy, and can effectively simulate the impact of engine vibration on clamps.
Smart Images
Figure CN119509953A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of engine test devices, and in particular relates to a clamp reciprocating test device and a test method. Background Art
[0002] With the development of the aviation industry, there are more and more types of engine pipe clamps, and the use environment is more special. The requirements for the life and retention of the clamps are getting higher and higher. However, the existing test equipment can only test the vibration test and impact test of the clamps, and lacks the reciprocating test related to the retention test and life of the clamps. At present, there is no quick way to measure the wear life and retention of the clamps in the market. It can only be measured by manually simulating the relative displacement in the actual use process thousands of times, which consumes a lot of manpower, material resources and time. In addition, each manual simulation has a certain instability, which has a great impact on the test results. Summary of the invention
[0003] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide a clamp reciprocating test device and test method, so as to solve the problem that the existing test device can only perform vibration test and impact test on the clamp, and lacks a test device for performing retention force test of the clamp and reciprocating test related to life.
[0004] In order to achieve the above object, the present invention adopts the following technical solutions: The present invention provides a clamp reciprocating test device, comprising a connecting shaft, wherein a first hole and a second hole are formed on the connecting shaft, the first hole is connected to a push-pull force gauge, the second hole is connected to one end of a main shaft, the other end of the main shaft is connected to one end of a connecting rod bearing, the other end of the connecting rod bearing is connected to a second rotating shaft, the second rotating shaft is connected to the first rotating shaft, the first rotating shaft is connected to a driving device, a clamp fixing plate is arranged below the connecting shaft, a fixing plate is arranged below the clamp fixing plate, an induction counting device is arranged on the fixing plate, a magnet is arranged on the second rotating shaft, and the induction counting device and the magnet induction record the number of tests.
[0005] In a specific implementation process, the coupling shaft is connected to the main shaft via a coupling screw arranged on the second hole.
[0006] In a specific implementation process, the second rotating shaft is connected to the connecting rod bearing via a distance adjusting screw, and the distance adjusting screw can also adjust the distance between the first rotating shaft and the second rotating shaft, thereby adjusting the distance of the reciprocating motion.
[0007] In the specific implementation process, a guide bearing is arranged on the main shaft, and the guide bearing cooperates with the main shaft to ensure the straightness of the reciprocating motion of the connecting shaft in the clamp.
[0008] In a specific implementation process, the inductive counting device includes a counting sensor and a counter; the counting sensor is electrically connected to the counter.
[0009] In a specific implementation process, the driving device includes a driving motor, and a driving shaft on the driving motor is connected to the first rotating shaft; the driving shaft rotates to rotate the first rotating shaft, thereby driving the connecting shaft to perform reciprocating motion.
[0010] In the specific implementation process, the fixed plate includes a flat plate, a raised platform and an L-shaped plate; the raised platform and the L-shaped plate are respectively arranged at two ends of the flat plate; the L-shaped plate includes a long plate and a short plate connected to each other.
[0011] In a specific implementation process, the clamp fixing plate is arranged above the raised platform, the driving device passes through the long plate and is arranged on the flat plate; and the induction counting device is arranged on the short plate.
[0012] The present invention also provides a clamp reciprocating test method, based on any one of the clamp reciprocating test devices, comprising the following steps: The second hole on the connecting shaft is connected to the main shaft, the driving device is started, the first rotating shaft is driven by the driving device to rotate, the first rotating shaft drives the second rotating shaft to rotate, the second rotating shaft drives the connecting rod bearing, the connecting rod bearing drives the main shaft, and the main shaft drives the connecting shaft to make a reciprocating motion in the pipeline clamp; the magnet on the second rotating shaft and the induction counting device sense and record the number of tests. After multiple reciprocating motions, the reciprocating test is completed to obtain the wear life test data of the clamp.
[0013] In the specific implementation process, the clamp retention force test step is also included, and the clamp retention force test step is as follows: The coupling is separated from the main shaft, and the first hole on the coupling is connected to a push-pull force gauge to measure the holding force of the pipeline clamp on the pipeline after multiple reciprocating movements, thereby completing the clamp holding force test.
[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a clamp reciprocating test device, which is composed of 10 parts such as a driving motor, a fixing plate, an inductive counting device, a guide bearing, a connecting rod bearing, a first rotating shaft, a second rotating shaft, a clamp fixing plate, a main shaft, and a connecting shaft, which are combined and assembled by bolt fixing. The opening on the connecting shaft can be connected with the main shaft for reciprocating test to obtain data related to life, and can also be connected with a push-pull force gauge to measure the holding force of the clamp; the inductive counting device uses the magnet on the second rotating shaft to count and record the number of reciprocating motions. The above device can perform a reciprocating test of the clamp through the rotation of the connecting rod bearing, the first rotating shaft, the second rotating shaft, the main shaft, and the connecting shaft, and can simulate the influence of pipeline deviation on the pipeline clamp caused by engine vibration in actual use of the pipeline clamp, and obtain reciprocating test data related to the life of the clamp. It can also measure the holding force of the clamp through the cooperation of the connecting shaft and the push-pull force gauge to avoid failures in engine use in advance.
[0015] Furthermore, the distance between the first rotating shaft and the second rotating shaft is adjusted by a distance adjusting screw, and the straightness of the reciprocating motion of the coupling shaft in the clamp can be ensured through the cooperation between the guide bearing and the main shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the clamp reciprocating test device of the present invention; Figure 2 It is a schematic diagram of the coupling installation position of the clamp reciprocating test device of the present invention; Figure 3 It is a schematic diagram of the connection between the coupling shaft and the main shaft of the clamp reciprocating test device of the present invention; Figure 4 Schematic diagram of the rotation process of the first rotating shaft and the second rotating shaft of the clamp reciprocating test device of the present invention, wherein Figure (a) is a schematic diagram without rotation, and Figure (b) is a schematic diagram after half a circle of rotation; Figure 5 The schematic diagram of the process of one induction between the induction counting device of the clamp reciprocating test device of the present invention and the second rotating shaft, wherein Figure (a) is a schematic diagram of the second rotating shaft before passing through the induction counting device, and Figure (b) is a schematic diagram of the second rotating shaft after passing through the induction counting device; Figure 6 Schematic diagram of the reciprocating test process of the clamp reciprocating test device of the present invention, wherein Figure (a) is a schematic diagram without rotation, Figure (b) is a schematic diagram of rotation of 90 degrees, Figure (c) is a schematic diagram of rotation of 180 degrees, and Figure (d) is a schematic diagram of rotation of 270 degrees; Figure 7 A schematic diagram of the structure of the clamp reciprocating test device of the present invention; Figure 8 It is a schematic diagram of the first rotating shaft of the clamp reciprocating test device of the present invention; Fig. 9It is a schematic diagram of the second rotating shaft of the clamp reciprocating test device of the present invention; Fig.10 It is a schematic diagram of the mortise and tenon connection between the driving motor and the first rotating shaft of the clamp reciprocating test device of the present invention; Fig.11 It is a bottom schematic diagram of the driving motor of the clamp reciprocating test device of the present invention.
[0017] Among them: 1-drive motor speed control box; 2-counter; 3-drive motor; 4-fixed plate; 5-clamp fixed plate; 6-connecting shaft; 7-connecting shaft screw; 8-guide bearing; 9-spindle; 10-connecting rod bearing; 11-distance adjustment screw; 12-counting sensor; 13-first rotating shaft; 14-second rotating shaft. DETAILED DESCRIPTION
[0018] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0020] The present invention is further described in detail below in conjunction with the accompanying drawings: See also Figure 1 The first aspect of the present invention provides a clamp reciprocating test device, which is mainly composed of 10 parts, including a driving device, a fixing plate 4, an induction counting device, a guide bearing 8, a connecting rod bearing 10, a first rotating shaft 13, a second rotating shaft 14, a clamp fixing plate 5, a main shaft 9, and a connecting shaft 6, which are combined and assembled by bolt fixing.
[0021] The coupling shaft 6 is provided with a first hole and a second hole. The first hole is connected to a push-pull force gauge for measuring the holding force of the clamp, and the second hole is connected to one end of the main shaft 9 for performing a reciprocating test to obtain the wear life test data of the clamp. More specifically, the coupling shaft 6 is connected to the main shaft 9 via a coupling screw 7 provided on the second hole.
[0022] The other end of the main shaft 9 is connected to one end of a connecting rod bearing 10 , the other end of the connecting rod bearing 10 is connected to a second rotating shaft 14 , the second rotating shaft 14 is connected to the first rotating shaft 13 , and the first rotating shaft 13 is connected to a driving device.
[0023] The fixing plate 4 is provided with a clamp fixing plate 5, a connecting shaft 6, a main shaft 9, a guide bearing 8, a connecting rod bearing 10, a first rotating shaft 13, a second rotating shaft 14, an inductive counting device, and a driving device; specifically, the clamp fixing plate 5 is provided below the connecting shaft 6, a magnet is provided on the second rotating shaft 14, and the inductive counting device and the magnet inductively record the number of tests.
[0024] like Figure 2 As shown, the pipe clamp clamps the coupling 6 and is fixed to the clamp fixing plate 5 with bolts. The clamp fixing plate 5 is fixed to the fixing plate 4 with bolts. One of the two holes on the coupling 6 is used to connect a push-pull force gauge, and the holding force of the pipe clamp is measured by pulling the coupling 6 with the push-pull force gauge. Figure 3 As shown, the other hole can be used to combine the coupling 6 and the main shaft 9 with the coupling screw 7. When the holding force needs to be measured, the coupling 6 can be separated from the main shaft 9 by removing the coupling screw 7. A hole is reserved on the coupling 6 for the push-pull force gauge to measure the holding force of the clamp. By connecting with the push-pull force gauge, the influence of the pipeline offset caused by the engine vibration on the pipeline clamp in actual use can be effectively simulated, and the holding force of the pipeline clamp on the pipeline after how many reciprocating movements can be measured, which can effectively provide test data for engine design and effectively reduce the failure rate of the engine power pipeline clamp during operation.
[0025] like Figure 4 As shown in Figure (a) and Figure (b), the rotation process of the first rotating shaft and the second rotating shaft, the first rotating shaft 13 and the second rotating shaft 14 use bolts to adjust the reciprocating distance. Specifically, the second rotating shaft 14 is connected to the first rotating shaft 13, and the second rotating shaft 14 is also connected to one end of the connecting rod bearing 10, and the other end of the connecting rod bearing 10 is connected to one end of the main shaft 9. The main shaft 9 and the connecting rod bearing 10 are fixed by bolts. The first rotating shaft 13 and the second rotating shaft 14 are mortise and tenon combined with each other, and are connected and fixed to the connecting rod bearing 10 by a distance adjustment screw 11. Loosening the distance adjustment screw 11 can adjust the distance between the first rotating shaft 13 and the second rotating shaft 14, thereby adjusting the reciprocating distance.
[0026] The straightness of the reciprocating motion of the connecting shaft 6 in the clamp is ensured by the cooperation between the guide bearing 8 and the main shaft 9. The guide bearing 8 is fixed to the fixed plate 4 by bolts. The main shaft 9 passes through the guide bearing 8. When reciprocating, the guide bearing 8 ensures that the direction of movement of the main shaft 9 does not deviate.
[0027] The driving device comprises a driving motor 3, and a driving shaft on the driving motor 3 is connected to the first rotating shaft 13; Figure 7 , Fig.10 and Fig.11 As shown, the driving motor 3 comprises a driving shaft, a gear box, a driving gear connected to the driving shaft, another gear meshing with the driving gear, and a shaft connected to the gear. The gear meshes with the driving gear inside the gear box.
[0028] The gear box is fixed to the L-shaped plate on the fixing plate 4 by bolts, and the shaft passes through the L-shaped plate and is connected to the first rotating shaft 13 by mortise and tenon joints.
[0029] When the driving shaft of the driving motor 3 rotates one circle, the first rotating shaft 13 also rotates one circle, thereby driving the connecting shaft 6 to make a reciprocating motion in the pipe clamp. The driving motor speed control box 1 is also included. The driving motor speed control box 1 and the driving motor 3 are fixed to the fixing plate 4 by bolts, and the two are connected by a cable. The speed of the reciprocating motion is adjusted by rotating the speed control switch of the driving motor, that is, the driving motor speed control box 1.
[0030] Furthermore, after the drive motor speed control box 1 is connected to the power supply, the rotation speed of the drive shaft on the drive motor 3 is adjusted by turning the knob on the drive motor speed control box 1, thereby adjusting the speed of the reciprocating motion of the coupling shaft 6 in the pipeline clamp.
[0031] The inductive counting device uses the magnet on the second rotating shaft 14 to perform counting. The inductive counting device includes a counting sensor 12 and a counter 2. The counting sensor 12 is electrically connected to the counter 2. Specifically, Figure 5 As shown, the counting sensor 12 is fixed on the fixed plate 4 by a nut. When the second rotating shaft 14 rotates one circle actively, the magnet arranged on the second rotating shaft 14 senses the counting sensor 12 once, and the counting sensor 12 sends a signal to the counter 2. The counter 2 accumulates the count by one time, and the number of tests can be recorded during the test.
[0032] The fixing plate 4 includes a flat plate, a raised platform and an L-shaped plate; the raised platform and the L-shaped plate are respectively arranged on both sides of the flat plate; the L-shaped plate includes a long plate and a short plate connected to each other. The clamp fixing plate 5 is arranged above the raised platform, the driving device passes through the long plate and is arranged on the flat plate; the induction counting device is arranged on the short plate.
[0033] A second aspect of the present invention provides a clamp reciprocating test method based on the clamp reciprocating test device, comprising the following steps: like Figure 6 As shown in Figures (a), (b), (c) and (d), the second hole on the connecting shaft 6 is connected to the main shaft 9, the driving device is started, the first rotating shaft 13 is driven by the driving device to rotate, the first rotating shaft 13 drives the second rotating shaft 14 to rotate, the second rotating shaft 14 drives the connecting rod bearing 10, the connecting rod bearing 10 drives the main shaft 9, and the main shaft 9 drives the connecting shaft 6 to make a reciprocating motion in the pipeline clamp; the magnet on the second rotating shaft 14 and the induction counting device sense and record the number of tests. After multiple reciprocating motions, the reciprocating test is completed to obtain the wear life test data of the clamp.
[0034] The clamp retention force testing step is also included, and the clamp retention force testing step is as follows: The coupling 6 is separated from the main shaft 9, and the first hole on the coupling 6 is connected to a push-pull force gauge to measure the holding force of the pipeline clamp on the pipeline after multiple reciprocating movements, thereby completing the clamp holding force test.
[0035] The above test method can be adjusted as needed.
[0036] Example 1 The present embodiment provides a clamp reciprocating test device, including a driving device, a fixing plate 4, a clamp fixing plate 5, a connecting shaft 6, a connecting shaft screw 7, an inductive counting device, a guide bearing 8, a main shaft 9, a connecting rod bearing 10, a distance adjustment screw 11, a first rotating shaft 13, a second rotating shaft 14 and a magnet arranged on the second rotating shaft 14; the driving device includes a driving motor speed control box 1 and a driving motor 3, the inductive counting device includes a counting sensor 12 and a counter 2; the fixing plate 4 includes a flat plate, a raised platform and an L-shaped plate, and the L-shaped plate includes a long plate and a short plate connected to each other.
[0037] The raised platform and the L-shaped plate are respectively arranged at both ends of the flat plate, the clamp fixing plate 5 is arranged on the raised platform by bolts, the connecting shaft 6 is fixed to the clamp fixing plate 5 by bolts, the pipeline clamp clamps the connecting shaft 6, and the connecting shaft 6 is provided with a first hole and a second hole. The first hole is connected to a push-pull force gauge for measuring the holding force of the clamp, and the second hole is connected to one end of the main shaft 9 for performing a reciprocating test to obtain the wear life test data of the clamp. The connecting shaft 6 and the main shaft 9 are connected by a connecting shaft screw 7 arranged on the second hole.
[0038] The guide bearing 8 is arranged on the lower surface of the long plate of the L-shaped plate, and is fixed on the lower surface of the long plate of the L-shaped plate by bolts. The main shaft 9 passes through the guide bearing 8, and the guide bearing 8 ensures that the direction of movement of the main shaft 9 is not offset.
[0039] The other end of the main shaft 9 is connected to one end of the connecting rod bearing 10, and the other end of the main shaft 9 is fixed to the connecting rod bearing 10 by bolts. The other end of the connecting rod bearing 10 is connected to the second rotating shaft 14, and the second rotating shaft 14 is connected and fixed to the connecting rod bearing 10 by a distance adjustment screw 11. The first rotating shaft 13 and the second rotating shaft 14 are mortise and tenoned with each other, and the first rotating shaft 13 is connected to the driving shaft of the driving motor 3.
[0040] like Figure 8 and Fig. 9 As shown, the first rotating shaft 13 has a rectangular upper part and a trapezoidal lower part, and a groove is provided at one end of the first rotating shaft 13, which is used for the mortise and tenon connection with the shaft in the driving motor 3. The second rotating shaft 14 includes an integral rectangular block and a circular protrusion on the surface of the rectangular block, and a trapezoidal groove is provided on the rectangular block, and the trapezoidal groove is adapted to the trapezoidal lower part of the first rotating shaft 13 to achieve the mortise and tenon connection. A circular hole is provided at the circular protrusion, and the circular hole is used for connecting with the connecting rod bearing 10 through the distance adjustment screw 11.
[0041] The driving motor speed control box 1 and the driving motor 3 are arranged on a flat plate. Figure 7 As shown, the driving shaft of the driving motor 3 is connected to the driving gear in the gear box, and the driving gear meshes with another gear in the gear box. The gear is connected to an axis, which passes through the long board and is connected to the first rotating shaft 13 arranged under the long board by mortise and tenon joints. The driving motor speed control box 1 and the driving motor 3 are fixed to the fixed plate 4 by bolts, and the two are connected by a cable.
[0042] The counting sensor 12 and the counter 2 are fixed on the fixing plate 4 through nuts. The counting sensor 12 is electrically connected to the counter 2 . The counting sensor 12 is arranged on the short plate of the fixing plate 4 and senses the magnet arranged on the second rotating shaft 14 .
[0043] Example 2 Based on Example 1, this embodiment provides a method for testing the clamp holding force, including the following steps: a clamp holding force testing step, in which the connecting shaft 6 is separated from the main shaft 9, and the first hole on the connecting shaft 6 is connected to a push-pull force gauge to measure the holding force of the pipeline clamp on the pipeline after multiple reciprocating motions, thereby completing the clamp holding force test.
[0044] Example 3 This embodiment provides a clamp reciprocating test method based on embodiment 1, comprising the following steps: S1: Wear life test of the clamp. The second hole on the connecting shaft 6 is connected to the main shaft 9. The driving device is started. The first rotating shaft 13 is driven by the driving device to rotate. The first rotating shaft 13 drives the second rotating shaft 14 to rotate. The second rotating shaft 14 drives the connecting rod bearing 10. The connecting rod bearing 10 drives the main shaft 9. The main shaft 9 drives the connecting shaft 6 to make a reciprocating motion in the pipeline clamp. The magnet on the second rotating shaft 14 and the induction counting device sense and record the number of tests. After multiple reciprocating motions, the reciprocating test is completed to obtain the wear life test data of the clamp.
[0045] Example 4 This embodiment provides a clamp reciprocating test method based on embodiment 1, comprising the following steps: S1: Wear life test of the clamp. The second hole on the connecting shaft 6 is connected to the main shaft 9. The driving device is started. The first rotating shaft 13 is driven by the driving device to rotate. The first rotating shaft 13 drives the second rotating shaft 14 to rotate. The second rotating shaft 14 drives the connecting rod bearing 10. The connecting rod bearing 10 drives the main shaft 9. The main shaft 9 drives the connecting shaft 6 to make a reciprocating motion in the pipeline clamp. The magnet on the second rotating shaft 14 and the induction counting device sense and record the number of tests. After multiple reciprocating motions, the reciprocating test is completed to obtain the wear life test data of the clamp. S2: Clamp holding force test step, the coupling 6 is separated from the main shaft 9, and the first hole on the coupling 6 is connected to a push-pull force gauge to measure the holding force of the pipeline clamp on the pipeline after multiple reciprocating movements, thereby completing the clamp holding force test.
[0046] Example 5 This embodiment provides a clamp reciprocating test method based on embodiment 1, comprising the following steps: S1: Wear life test of the clamp, the second hole on the connecting shaft 6 is connected to the main shaft 9, the driving device is started, the first rotating shaft 13 is driven by the driving device to rotate, the first rotating shaft 13 drives the second rotating shaft 14 to rotate, the second rotating shaft 14 drives the connecting rod bearing 10, the connecting rod bearing 10 drives the main shaft 9, and the main shaft 9 drives the connecting shaft 6 to make a reciprocating motion in the pipeline clamp; S2: Clamp holding force test step, the coupling 6 is separated from the main shaft 9, and the first hole on the coupling 6 is connected to a push-pull force gauge to measure the holding force of the pipeline clamp on the pipeline after one reciprocating motion, thereby completing the clamp holding force test; S3: The magnet on the second rotating shaft 14 and the induction counting device sense and record the number of tests. After multiple reciprocating motions and the clamp holding force test after each reciprocating motion, the reciprocating test is completed to obtain the wear life test data of the clamp.
[0047] This embodiment is connected with a push-pull force gauge to effectively simulate the influence of pipeline deviation caused by engine vibration on the pipeline clamp in actual use, and measure the holding force of the pipeline clamp on the pipeline after a certain number of reciprocating motions, so as to effectively provide test data for engine design and effectively reduce the failure rate of the engine power pipeline clamp during operation.
[0048] The above contents are only for explaining the technical idea of the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the claims of the present invention.
Claims
1. A clamp reciprocating test device, characterized in that: The invention comprises a connecting shaft (6), wherein a first hole and a second hole are formed on the connecting shaft (6), wherein the first hole is connected to a push-pull force gauge, wherein the second hole is connected to one end of a main shaft (9), wherein the other end of the main shaft (9) is connected to one end of a connecting rod bearing (10), wherein the other end of the connecting rod bearing (10) is connected to a second rotating shaft (14), wherein the second rotating shaft (14) is connected to a first rotating shaft (13), wherein the first rotating shaft (13) is connected to a driving device, wherein a clamp fixing plate (5) is provided below the connecting shaft (6), wherein a fixing plate (4) is provided below the clamp fixing plate (5), wherein an induction counting device is provided on the fixing plate (4), wherein a magnet is provided on the second rotating shaft (14), wherein the induction counting device and the magnet are inductively recorded to record the number of tests.
2. The clamp reciprocating test device according to claim 1, characterized in that: The coupling shaft (6) is connected to the main shaft (9) via a coupling screw (7) arranged on the second hole.
3. The clamp reciprocating test device according to claim 1, characterized in that: The second rotating shaft (14) is connected to the connecting rod bearing (10) via a distance adjustment screw (11), and the distance adjustment screw (11) can also adjust the distance between the first rotating shaft (13) and the second rotating shaft (14), thereby adjusting the distance of the reciprocating motion.
4. The clamp reciprocating test device according to claim 1, characterized in that: A guide bearing (8) is provided on the main shaft (9), and the guide bearing (8) cooperates with the main shaft (9) to ensure the straightness of the reciprocating motion of the connecting shaft (6) in the clamp.
5. The clamp reciprocating test device according to claim 1, characterized in that: The inductive counting device comprises a counting sensor (12) and a counter (2); the counting sensor (12) is electrically connected to the counter (2).
6. The clamp reciprocating test device according to claim 1, characterized in that: The driving device comprises a driving motor (3), wherein a driving shaft on the driving motor (3) is connected to a first rotating shaft (13); the driving shaft rotates so that the first rotating shaft (13) rotates, thereby driving the connecting shaft (6) to perform reciprocating motion.
7. The clamp reciprocating test device according to claim 1, characterized in that: The fixing plate (4) comprises a flat plate, a raised platform and an L-shaped plate; the raised platform and the L-shaped plate are respectively arranged at two ends of the flat plate; the L-shaped plate comprises a long plate and a short plate which are connected to each other.
8. The clamp reciprocating test device according to claim 7, characterized in that: The clamp fixing plate (5) is arranged above the raised platform, the driving device passes through the long plate and is arranged on the flat plate; and the induction counting device is arranged on the short plate.
9. A clamp reciprocating test method, characterized in that: The clamp reciprocating test device according to any one of claims 1 to 8 comprises the following steps: The second hole on the connecting shaft (6) is connected to the main shaft (9), the driving device is started, the first rotating shaft (13) is driven by the driving device to rotate, the first rotating shaft (13) drives the second rotating shaft (14) to rotate, the second rotating shaft (14) drives the connecting rod bearing (10), the connecting rod bearing (10) drives the main shaft (9), and the main shaft (9) drives the connecting shaft (6) to make a reciprocating motion in the pipeline clamp; the magnet on the second rotating shaft (14) and the induction counting device sense and record the number of tests, after multiple reciprocating motions, the reciprocating test is completed, and the wear life test data of the clamp is obtained.
10. The clamp reciprocating test method according to claim 9, characterized in that: The clamp retention force testing step is also included, and the clamp retention force testing step is as follows: The coupling (6) is separated from the main shaft (9), and the first hole on the coupling (6) is connected to a push-pull force gauge to measure the holding force of the pipeline clamp on the pipeline after multiple reciprocating movements, thereby completing the clamp holding force test.