Device for testing service life of pin for oil pump regulator

Abstract

The utility model aims to provide a pin service life testing device for an oil pump regulator, which comprises a frame body and a torsion assembly, the torsion assembly comprises a torsion sensing piece, a torsion block, a bolt and a driving piece, the torsion sensing piece is arranged on the frame body in a sliding manner, the torsion block is arranged on an input shaft of the torsion sensing piece, a through hole is formed in the torsion block, and the through hole and the input shaft of the torsion sensing piece are coaxially arranged. The driving part is rotationally arranged on the frame body, the plug pin penetrates through the penetrating hole, one end of the plug pin is connected with the output end of the driving part, a pin hole is formed in the other end of the plug pin and used for containing the pin, two limiting blocks are arranged at the end, close to the torsion sensing part, of the torsion block, and the two limiting blocks are located on the two opposite sides of the penetrating hole; the driving piece drives the plug pin to rotate in a reciprocating mode in the positive and negative directions so that the two ends of the pin can alternately abut against the two limiting blocks in a reciprocating mode. Therefore, the service life of the pin can be tested, so that the product quality of the pin is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mechanical engineering especially relates to a pin life testing device for oil pump regulator. BACKGROUND

[0002] In the modern mechanical engineering field, especially in many industries such as automobiles, aerospace, industrial hydraulic pressure, etc., the oil pump regulator plays a crucial role, and the pin on the regulator is a key part. When the oil pump regulator is working, some of its internal components will be subjected to various forces. The pin, as a force transmission medium, transmits force from one component to another, enabling the components to work together and achieve the regulation function of the oil pump regulator. For example, in some pressure regulating mechanisms, when the pressure changes, the pin transmits the pressure to the relevant regulating components, triggering the regulating action, thereby ensuring the stability of the oil pump outlet pressure.

[0003] However, the existing pins have the following disadvantages in actual use: the pin is prone to fatigue wear and reduced service life due to long-term movement in complex working environments. For example, if the pin fails prematurely during actual operation, it will cause the oil pump regulator to malfunction, resulting in downtime for maintenance of the entire mechanical equipment, causing significant economic losses and endangering the safety of equipment operators. Therefore, the pin life testing device for oil pump regulator is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the deficiencies in the prior art, provide a pin life testing device for oil pump regulator, which can test the service life of the pin and set the number of times and the torque according to the test requirements, thereby improving the product quality of the pin.

[0005] The utility model aims to realize the following technical solutions:

[0006] A pin life testing device for oil pump regulator, comprising:

[0007] a frame body; and

[0008] The torsion assembly comprises a torsion sensing member, a torsion block, a pin and a driving member, the torsion sensing member is slidingly arranged on the frame body, the torsion block is arranged on the input shaft of the torsion sensing member, a through hole is formed on the torsion block, and the through hole is coaxially arranged with the input shaft of the torsion sensing member. The driving member is rotationally arranged on the frame body, the pin is arranged in the through hole, one end of the pin is connected with the output end of the driving member, a pin hole is formed on the other end of the pin, the pin hole is used for accommodating a pin, two limiting blocks are arranged on the end of the torsion block close to the torsion sensing member, and the two limiting blocks are located on the two sides of the through hole. The driving member drives the pin to reciprocatingly rotate in the forward and reverse directions, so that the two ends of the pin reciprocatingly and alternately abut against the two limiting blocks.

[0009] Optionally, two trapezoidal portions are further formed on the torsion block, the two trapezoidal portions are formed along the circumferential direction of the through hole, and the two trapezoidal portions are respectively located on the two sides of the limiting blocks.

[0010] Optionally, the two ends of the trapezoidal portion have a height difference.

[0011] Optionally, the height of the limiting block is higher than the height of the trapezoidal portion.

[0012] Optionally, the driving member comprises a rotating cylinder, a disc and a sleeve block, the rotating cylinder is arranged on the frame body, the disc is rotationally arranged on the output shaft of the rotating cylinder, the sleeve block is arranged on the disc, and the sleeve block is clamped with the end of the pin away from the torsion sensing member.

[0013] Optionally, the pin comprises a pin column, a limiting buckle and a tension spring, the pin column is arranged in the through hole, one end of the pin column is clamped with the sleeve block, the pin hole is located on the end of the pin column close to the torsion sensing member, the limiting buckle is arranged on the end of the pin column away from the torsion sensing member, the tension spring is sleeved on the pin column, and the tension spring pushes the limiting buckle and the torsion block respectively, so that the two ends of the pin column drive the two ends of the pin to abut against the two torsion blocks.

[0014] Optionally, a clamping groove is formed on the pin column, the clamping groove is located on the end of the pin column away from the torsion sensing member, and the sleeve block is clamped with the clamping groove.

[0015] Optionally, a clamping column is arranged on the sleeve block, and the clamping column is clamped with the clamping groove.

[0016] Optionally, the torsion sensing member comprises a sliding block and a torsion sensor, the sliding block is slidingly arranged on the frame body, the torsion sensor is arranged on the sliding block, the torsion block is arranged on an input shaft of the torsion sensor, and the sliding block drives the torsion block to perform lifting movement relative to the driving member.

[0017] Optionally, the torsion sensing member further comprises a locking block, the locking block is rotationally arranged on the sliding block, and the locking block is used for abutting against the frame body, so that the sliding position of the sliding block and the torsion sensor is adjustable.

[0018] Compared with the prior art, the utility model has at least the following advantages:

[0019] The pin life testing device for the oil pump regulator drives the plug to rotate coaxially relative to the input shaft of the torsion sensor, drives the two limit blocks on the two ends of the pin in the pin hole to push the torsion block back and forth, drives the torsion block to rotate the torsion sensor, and thus, the movement of the pin in the actual working environment is simulated to test the service life of the pin. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and thus should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0021] Figure 1 It is a structural schematic view of the pin life testing device for the oil pump regulator of the embodiment of the utility model;

[0022] Figure 2 It is a structural schematic view of the torsion sensing member of the embodiment of the utility model;

[0023] Figure 3 It is a structural schematic view of the torsion sensing member of the embodiment of the utility model; Figure 2 It is a partial enlarged structural schematic view of A;

[0024] Figure 4 It is a structural schematic view of the torsion block of the embodiment of the utility model;

[0025] Figure 5 It is a structural schematic view of the torsion block of the embodiment of the utility model; Figure 4 It is a partial enlarged structural schematic view of B;

[0026] Figure 6 It is a structural schematic view of the pin column of the embodiment of the utility model;

[0027] Figure 7Structure diagram of the sleeve block of the utility model;

[0028] Figure 8 Structure diagram of the cross section of the sleeve block of the utility model.

[0029] Explanation of reference signs:

[0030] 1, pin life testing device for oil pump regulator;10, frame;20, torsion assembly;30, pin;21, torsion sensing piece;22, torsion block;23, bolt;24, driving piece;221, perforation;222, limit block;223, trapezoidal part;231, pin column;2311, pin hole;232, limit buckle;233, tension spring;234, clamping groove;241, rotating cylinder;242, disc;243, sleeve block;2431, clamping column;211, sliding block;212, torsion inductor;213, locking block;25, torsion display;26, preset counter;27, electromagnetic valve. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings.

[0032] In the description of the embodiments of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0033] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0035] As shown in Figures 1 to 6 In an embodiment, a pin life test device 1 for oil pump regulator, comprising a frame body 10 and a torsion assembly 20, the torsion assembly 20 comprises a torsion sensing piece 21, a torsion block 22, a plug pin 23 and a driving piece 24, the torsion sensing piece 21 is slidably arranged on the frame body 10, the torsion block 22 is arranged on the input shaft of the torsion sensing piece 21, the torsion block 22 is provided with a through hole 221, and the through hole 221 is coaxially arranged with the input shaft of the torsion sensing piece 21. The driving piece 24 is rotatably arranged on the frame body 10, the plug pin 23 is arranged on the through hole 221, one end of the plug pin 23 is connected with the output end of the driving piece 24, the other end of the plug pin 23 is provided with a pin hole 2311, the pin hole 2311 is used for accommodating the pin 30, two limiting blocks 222 are arranged on the end of the torsion block 22 close to the torsion sensing piece 21, and the two limiting blocks 222 are located on the two sides of the through hole 221 opposite to each other, the driving piece 24 drives the plug pin 23 to reciprocate in the forward and reverse directions, so that the two ends of the pin 30 reciprocally and alternately abut against the two limiting blocks 222.

[0036] It needs explanation that the frame body 10 is provided with a sliding seat and a screw rod, the sliding seat is fixedly arranged on the frame body 10, the screw rod is arranged on the sliding seat, and the screw rod is rotated to enable the torsion sensing piece 21 to perform lifting movement relative to the frame body 10. Further, one end of the torsion block 22 is coaxially arranged on the input shaft of the torsion sensing piece 21, and a through hole 221 is arranged on the end of the torsion block 22 away from the torsion sensing piece 21, the hole center of the through hole 221 is in line with the axis of the input shaft of the torsion sensing piece 21, so that the two ends of the torsion block 22 are coaxially arranged with the input shaft of the torsion sensing piece 21. Further, the driving piece 24 is rotationally arranged on the frame body 10, and the driving piece 24 is located below the torsion block 22, the pin 23 is arranged on the through hole 221, one end of the pin 23 is connected with the driving piece 24, and the other end of the pin 23 extends out from the side of the through hole 221 close to the torsion sensing piece 21, because the through hole 221 is coaxially arranged with the input shaft of the torsion sensing piece 21, the pin 23 can rotate around the axis of the input shaft of the torsion sensing piece 21. Further, the length of the pin 23 is greater than the depth of the through hole 221, so that the two ends of the pin 23 respectively extend out from the two ends of the through hole 221, and then the two ends of the pin 23 respectively face the torsion sensing piece 21 and the driving piece 24, and the pin hole 2311 is arranged on the end of the pin 23 close to the torsion sensing piece 21, so that the pin hole 2311 is located on the side of the through hole 221 facing the torsion sensing piece 21. Further, the arrangement direction of the pin hole 2311 is perpendicular to the arrangement direction of the through hole 221, so that when the pin 23 rotates relative to the through hole 221, the pin 23 drives the pin hole 2311 to rotate around the hole center of the through hole 221. Further, two limiting blocks 222 are arranged on the torsion block 22, the two limiting blocks 222 are respectively located on the side of the through hole 221 close to the torsion sensing piece 21, and the two limiting blocks 222 are respectively located on the two ends of the through hole 221 facing each other at the opening. Further, the pin hole 2311 is used for accommodating the pin 30, the depth of the pin hole 2311 is less than the length of the pin 30, and when the pin 30 is located in the pin hole 2311, the two ends of the pin 30 respectively extend out from the two ends of the pin hole 2311. In this way, when the driving piece 24 drives the pin 23 to rotate relative to the through hole 221, the pin 23 drives the pin 30 to rotate clockwise or counterclockwise around the hole center of the through hole 221, so that the two ends of the pin 30 respectively rotate along the circumference of the through hole 221, and the two limiting blocks 222 are located on the two ends of the through hole 221 facing each other at the opening, so that the two ends of the pin 30 respectively abut against the two limiting blocks 222. In this way, when the driving piece 24 continuously drives the pin 23 to reciprocate in the forward and reverse directions, the two ends of the pin 30 also continuously abut against the limiting blocks 222, so as to test the service life of the pin 30.

[0037] As Figures 2 to 5As shown, two trapezoidal portions 223 are further formed on the torsion block 22 in an embodiment, and the two trapezoidal portions 223 are formed along the circumferential direction of the through hole 221, and the two trapezoidal portions 223 are respectively located on the two sides of the limiting block 222.

[0038] It should be noted that the two trapezoidal portions 223 are formed along the circumferential direction of the through hole 221, and are located on the side of the torsion member 21 as the through hole 221, and the two trapezoidal portions 223 are respectively located on the two sides of the two limiting blocks 222, and the two ends of the pin 30 respectively abut against the two trapezoidal portions 223. For the convenience of description, the two limiting blocks 222 are respectively defined as a first limiting block and a second limiting block, and the two trapezoidal portions 223 are respectively defined as a first trapezoidal portion and a second trapezoidal portion. The two limiting blocks 222 are located on the two ends of the through hole 221 facing each other, and the two trapezoidal portions 223 are located on the two ends of the two limiting blocks 222 facing each other, for example, the first limiting block, the first trapezoidal portion, the second limiting block and the second trapezoidal portion are sequentially distributed on the side of the through hole 221 facing the torsion member 21. Further, the height of the limiting block 222 is higher than the height of the trapezoidal portion 223, so that the two ends of the pin 30 can abut against the two limiting blocks 222 when the pin 30 rotates clockwise or counterclockwise.

[0039] As shown in Figure 5 , in an embodiment, the two ends of the trapezoidal portion 223 have a height difference.

[0040] It should be noted that the two ends of the trapezoidal portion 223 are respectively connected to the same side of the two limiting blocks 222, and the two ends of the trapezoidal portion 223 have a height difference, so that the pin 30 gradually rises when sliding along the trapezoidal portion 223, for example, when the pin 30 rotates counterclockwise, the pin 30 gradually rises relative to the limiting block 222, and when the pin 30 rotates counterclockwise, the pin 30 gradually decreases relative to the limiting block 222, and so on, so as to simulate the change of the pin 30 in the actual use environment.

[0041] As shown in Figure 1 , in an embodiment, the driving member 24 includes a rotating cylinder 241, a disc 242 and a sleeve block 243, the rotating cylinder 241 is arranged on the frame 10, the disc 242 is rotatably arranged on the output shaft of the rotating cylinder 241, and the sleeve block 243 is arranged on the disc 242. The sleeve block 243 is connected to the end of the pin 23 away from the torsion member 21.

[0042] It should be noted that the rotating cylinder 241 is arranged on the bottom of the frame 10, the disc 242 is rotatably arranged on the output shaft of the rotating cylinder 241, one end of the sleeve block 243 is arranged on the disc 242, and the other end of the sleeve block 243 is connected to the pin 23, so that the rotating cylinder 241 drives the pin 23 to rotate.

[0043] As shown in Figure 3 ,Figure 6 As shown, in an embodiment, the pin 23 comprises a pin column 231, a limiting buckle 232 and a tension spring 233, the pin column 231 is arranged on the through hole 221, one end of the pin column 231 is clamped with the sleeve block 243, the pin hole 2311 is located on the end of the pin column 231 close to the torsion sensing piece 21, the limiting buckle 232 is arranged on the end of the pin column 231 away from the torsion sensing piece 21, the tension spring 233 is sleeved on the pin column 231, and the tension spring 233 respectively pushes the limiting buckle 232 and the torsion block 22, so that the pin column 231 drives the pin hole 2311 to move away from the torsion sensing piece 21, and then the two ends of the pin 30 located in the pin hole 2311 respectively abut against the torsion block 22.

[0044] It should be noted that the pin column 231 is provided with a clamping groove 234, the clamping groove 234 is located on the end of the pin column 231 away from the torsion sensing piece 21, and the sleeve block 243 is clamped with the clamping groove 234. Further, the tension spring 233 is sleeved on the pin column 231, when the pin column 231 is arranged on the through hole 221, the tension spring 233 respectively pushes the limiting buckle 232 and the torsion block 22, when the pin 30 is arranged in the pin hole 2311, the tension spring 233 pulls the pin column 231 to make the two ends of the pin 30 respectively abut against the two trapezoidal parts 223, because the two ends of the trapezoidal part 223 have a height difference, so that the tension spring 233 can pull the two ends of the pin 30 to continuously abut against the trapezoidal part 223, thereby simulating the motion state of the pin 30 in the actual working environment.

[0045] As shown in Figure 1 , Figures 7 to 8 As shown, in an embodiment, the sleeve block 243 is provided with a clamping column 2431, and the clamping column 2431 is clamped with the clamping groove 234.

[0046] It should be noted that one end of the clamping column 2431 is detachably arranged on the sleeve block 243, and the other end of the clamping column 2431 is clamped with the clamping groove 234, so that the clamping column 2431 can drive the pin column 231 to rotate.

[0047] As shown in Figure 2 As shown, in an embodiment, the torsion sensing piece 21 comprises a sliding block 211 and a torsion sensor 212, the sliding block 211 is slidingly arranged on the frame 10, the torsion sensor 212 is arranged on the sliding block 211, the torsion block 22 is arranged on the input shaft of the torsion sensor 212, and the sliding block 211 drives the torsion block 22 to move up and down relative to the driving piece 24.

[0048] It should be noted that the torsion sensor 212 is used to detect the torsion size. The torsion sensor 212 is arranged on the sliding block 211, the torsion block 22 is arranged on the input shaft of the torsion sensor 212, and the input shaft of the torsion sensor 212 is coaxially arranged with the through hole 221. When the pin column 231 rotates relative to the torsion block 22, the two ends of the pin 30 push the two limiting blocks 222 respectively, so that the torsion block 22 rotates around the axis of the input shaft of the torsion sensor 212, thereby enabling the torsion sensor 212 to read the torsion value.

[0049] As shown in Figure 2 , in an embodiment, the torsion sensing piece 21 further comprises a locking block 213, the locking block 213 is rotationally arranged on the sliding block 211, and the locking block 213 is used to abut against the frame body 10, so that the sliding position of the sliding block 211 and the torsion sensor 212 can be adjusted.

[0050] It should be noted that the locking block 213 is a screw structure, the locking block 213 is screwed on the sliding block 211, when the locking block 213 is rotated to make one end of the locking block 213 abut against the frame body 10, the sliding position of the sliding block 211 and the torsion sensor 212 can be adjusted.

[0051] As shown in Figure 1 , in an embodiment, the torsion assembly 20 further comprises a controller, a torsion display 25, a preset counter 26 and an electromagnetic valve 27.

[0052] It should be noted that the controller is arranged on the frame body 10, for example, the controller is a PLC, the torsion display 25 is arranged on the frame body 10, the torsion display 25 is electrically connected with the controller and the torsion sensor 212 respectively, the preset counter 26 is arranged on the frame body 10, the preset counter 26 is electrically connected with the controller, the preset counter 26 is used to set the number of tests in advance, the electromagnetic valve 27 is arranged on the frame body 10, two ends of the electromagnetic valve 27 are connected with the rotating cylinder 241 and the gas source respectively, and the electromagnetic valve 27 is electrically connected with the controller.

[0053] The above-described embodiments only express several embodiments of the present application, which are described in detail, but should not be understood as limiting the scope of the application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A pin life testing device for an oil pump regulator, characterized by, The utility model relates to a kind of torsion assembly, including: Frame body; And Torsion assembly, the torsion assembly includes torsion piece, torsion block, bolt and driving piece, the torsion piece is slidably arranged on the frame body, the torsion block is arranged on the input shaft of the torsion piece, the torsion block is opened with through hole, and the through hole is coaxially arranged with the input shaft of the torsion piece, the driving piece is rotatably arranged on the frame body, the bolt is threaded on the through hole, and one end of the bolt is connected with the output end of the driving piece, the other end of the bolt is opened with pinhole, and the pinhole is used to accommodate pin, the end of the torsion block close to the torsion piece is provided with two limit blocks, and two limit blocks are located on the two sides of the through hole, and the driving piece drives the bolt reciprocating rotation in positive and negative directions, to make the two ends of the pin reciprocating alternately abut with two limit blocks respectively.

2. The pin life testing device for an oil pump regulator according to claim 1, characterized by Two trapezoidal parts are also opened on the torsion block, and the two trapezoidal parts are opened along the circumferential direction of the through hole, and the two trapezoidal parts are located on the two sides of the limit block respectively.

3. The pin life testing device for an oil pump regulator according to claim 2, characterized by The two ends of the trapezoidal part have height difference.

4. The pin life testing device for an oil pump regulator according to claim 3, characterized by The height of the limit block is higher than the height of the trapezoidal part.

5. The pin life testing device for an oil pump regulator according to claim 1, characterized by The driving piece includes rotary cylinder, disc and sleeve block, the rotary cylinder is arranged on the frame body, the disc is rotatably arranged on the output shaft of the rotary cylinder, the sleeve block is arranged on the disc, and the sleeve block is clamped with the end of the bolt away from the torsion piece.

6. The pin life testing device for an oil pump regulator according to claim 5, characterized by The bolt includes pin column, limit buckle and tension spring, the pin column is threaded on the through hole, one end of the pin column is clamped with the sleeve block, the pinhole is located on the end of the pin column close to the torsion piece, the limit buckle is arranged on the end of the pin column away from the torsion piece, the tension spring is sleeved on the pin column, and the tension spring pushes the limit buckle and the torsion block respectively, so that the two ends of the pin column drive the two ends of the pin to abut with two torsion blocks respectively.

7. The pin life testing device for an oil pump regulator according to claim 6, characterized by The pin column is opened with clamping groove, the clamping groove is located on the end of the pin column away from the torsion piece, and the sleeve block is clamped with the clamping groove.

8. The pin life testing device for an oil pump regulator according to claim 7, characterized by The sleeve block is provided with clamping column, and the clamping column is clamped with the clamping groove.

9. The pin life testing device for an oil pump regulator according to claim 1, characterized by The torsion piece includes slider and torsion sensor, the slider is slidably arranged on the frame body, the torsion sensor is arranged on the slider, the torsion block is arranged on the input shaft of the torsion sensor, and the slider drives the torsion block to move up and down relative to the driving piece.

10. The pin life testing device for an oil pump regulator according to claim 9, characterized by The torsion piece further includes locking block, the locking block is rotatably arranged on the slider, and the locking block is used to abut with the frame body, so that the sliding position of the torsion sensor driven by the slider is adjustable.

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