Test tool for oil pump

Abstract

The utility model discloses an oil pump testing tool, which relates to the technical field of oil pump testing, and comprises a base and a pump body, the outer side of the base is fixedly connected with a group of symmetrical linear guide rails, the top of each linear guide rail is slidably connected with a limiting assembly through a sliding block, and the limiting assembly is connected with the pump body. The top end of the base is fixedly connected with a fixing frame. According to the pump body clamping device, the limiting assemblies are arranged, the transverse rods are close to one another, and the vertical rods are close to one another, so that the pump body is clamped, the axis of the pump body can automatically coincide with the axis of the rotating disc, and a detection motor can conveniently control a rotating shaft of the pump body to synchronously rotate; the first limiting block and the second limiting block are made of elastic rubber materials, the limiting blocks can conveniently clamp the outer side of the pump body, the pump body is prevented from shaking in the detection process, the limiting blocks made of the rubber materials can adapt to pump bodies with different diameters, and therefore the compatibility of the pump bodies with different sizes is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil pump test, specifically a kind of test tool of oil pump. BACKGROUND

[0002] In modern industrial equipment, as the core component of fluid transmission, the stability and reliability of pump body are crucial to the operation of the whole system, and the rotational speed of pump body is one of the important parameters to measure its working efficiency and performance, therefore, accurate measurement of pump body rotational speed is of great significance to ensure normal operation of equipment and fault diagnosis.

[0003] However, due to the diversity of pump body size and shape, traditional clamping device is often difficult to adapt to different specifications of pump body, resulting in poor compatibility, secondly, in the detection process, pump body is prone to shaking or deviation, affecting the measurement accuracy, in addition, the existing detection device usually needs to manually adjust the clamping force and position, which is tedious and inefficient, therefore, a kind of test tool of oil pump is needed to solve the existing problems. UTILITY MODEL CONTENT

[0004] TECHNICAL PROBLEM SOLVED

[0005] The utility model aims at making up for the deficiency of prior art, providing a kind of test tool of oil pump, by the limiting component set, the synchronous rotation of the rotating shaft of pump body can be controlled by the detection motor, and the limiting block one and the limiting block two are both elastic rubber material, the outer side of pump body is conveniently clamped by limiting block, to avoid its shaking in detection process, and the limiting block of rubber material is conducive to adapting to pump body of different diameters, so as to improve the compatibility of pump body of different sizes;By setting clamping assembly, different clamping rods can be selected according to the synchronous size of transmission gear, so as to improve the compatibility of clamping assembly to different pump body.

[0006] TECHNICAL SCHEME

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of test tool of oil pump, including base and pump body, the outer side of the base is fixedly connected with a group of symmetrical straight line guide rails, and the top of straight line guide rail is slidably connected with limiting component through sliding block, the limiting component is connected with pump body, the top of base is fixedly connected with fixed frame, the fixed frame is movably connected with rotary disc through rotating shaft, the rotary disc is provided with clamping assembly, the rotating shaft end of pump body is fixedly connected with transmission gear, and the outer side of clamping assembly is connected with transmission gear, the fixed frame is fixedly connected with detection motor, and detection motor is fixedly connected with the rotating shaft of rotary disc.

[0008] The utility model further sets up, the limiting assembly still includes support no. 2, vertical rod, limiting piece no. 2 and drive rod no. 2, the bottom of support no. 2 is fixedly connected with the slider top of linear guide rail, the inside swing joint of support no. 2 has a group of symmetry vertical rod, and the opposite side of vertical rod is fixedly connected with limiting piece no. 2, drive rod no. 2 swing joint is in the inside of support no. 2, the outside of drive rod no. 2 is set with a group of symmetry screw threads, drive rod no. 2 passes through vertical rod, and drive rod no. 2 is screwed with vertical rod.

[0009] The utility model further sets up, the limiting assembly still includes support no. 2, vertical rod, limiting piece no. 2 and drive rod no. 2, the bottom of support no. 2 is fixedly connected with the slider top of linear guide rail, the inside swing joint of support no. 2 has a group of symmetry vertical rod, and the opposite side of vertical rod is fixedly connected with limiting piece no. 2, drive rod no. 2 swing joint is in the inside of support no. 2, the outside of drive rod no. 2 is set with a group of symmetry screw threads, drive rod no. 2 passes through vertical rod, and drive rod no. 2 is screwed with vertical rod.

[0010] The utility model further sets up, the top of support no. 1 is fixedly connected with servo motor no. 1, and the output end of servo motor no. 1 is fixedly connected with one end of drive rod no. 1, the top of support no. 2 is fixedly connected with servo motor no. 2, and the output end of servo motor no. 2 is fixedly connected with one end of drive rod no. 2, the inside of limiting piece no. 1 and the inside of limiting piece no. 2 are all with the outside of pump body is in close contact.

[0011] The utility model further sets up, the clamping component includes drive disc, drive column, sliding block and clamping rod, drive disc swing joint is in the inside of rotary disc, is set with a plurality of drive grooves on drive disc, and the front side of rotary disc is set with a plurality of sliding grooves, drive column, sliding block, clamping rod, drive groove and sliding groove all are circular array distribution, drive column is fixedly connected with sliding block respectively, drive column swing joint is in the inside of drive groove respectively, and sliding block is slidingly connected in the inside of sliding groove respectively.

[0012] The utility model further sets up, one end of clamping rod is set with screw threads, one end of clamping rod is movably connected with the inside of sliding block through screw threads, and clamping rod and transmission gear gear slot movably cooperate.

[0013] The utility model further sets up, the clamping component still includes gear ring, control gear and adjusting block, gear ring is fixedly connected in the outside of drive disc, control gear is movably connected on rotary disc through pivot, and control gear is engaged with gear ring, adjusting block is screw connected on drive disc, and the end of adjusting block movably cooperates with the inside of pivot of control gear.

[0014] Beneficial effects:

[0015] Compared with the prior art, the test tool of the oil pump has the following beneficial effects:

[0016] First, the limiting assembly is arranged, the horizontal rods are close to each other, the vertical rods are close to each other, the pump body is clamped, the axis of the pump body is automatically coincident with the axis of the rotating disc, the synchronous rotation of the rotating shaft of the pump body controlled by the motor is facilitated, the limiting block one and the limiting block two are made of elastic rubber material, the outer side of the pump body is clamped, the pump body is prevented from shaking during detection, the limiting block made of rubber material is suitable for pump bodies with different diameters, and the compatibility of the pump body with different sizes is improved.

[0017] Second, the clamping assembly is arranged, the sliding blocks are close to each other along the sliding grooves, the clamping rod is in abutment with the tooth groove of the control gear, the control gear is clamped, the rotating shaft of the pump body is synchronously rotated with the rotating disc, the rotating speed of the rotating shaft of the pump body is detected, the clamping rod is selected according to the synchronous size of the transmission gear through thread cooperation of the clamping rod and the sliding block, and the compatibility of the clamping assembly to different pump bodies is improved.

[0018] Other advantages, objects and features of the present application will be set forth in part in the following specification taken in conjunction with the accompanying drawings, and in part will be apparent from the description of the application or can be learned from the practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0020] Figure 2 It is another perspective structure schematic view of the present application;

[0021] Figure 3 It is a limiting assembly structure schematic view of the present application;

[0022] Figure 4 It is a clamping assembly structure schematic view of the present application;

[0023] Figure 5 It is a three-dimensional structure schematic view of the present application Figure 4 It is an enlarged structure schematic view of A in the present application;

[0024] Figure 6 It is an enlarged structure schematic view of B in the present application Figure 4

[0025] ​In the figure: 1, base; 2, pump body; 3, linear guide rail; 4, limiting assembly; 401, support one; 402, cross bar; 403, limiting block one; 404, drive rod one; 405, support two; 406, vertical rod; 407, limiting block two; 408, drive rod two; 5, fixed frame; 6, rotating disc; 7, clamping assembly; 701, drive disc; 702, drive column; 703, sliding block; 704, clamping rod; 705, gear ring; 706, control gear; 707, adjusting block; 8, transmission gear; 9, detection motor; 10, servo motor one; 11, servo motor two; 12, drive groove; 13, sliding groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] As Figures 1-6 shown, the utility model provides a kind of technical scheme: a test tool of oil pump, including base 1 and pump body 2, the outside of base 1 is fixedly connected with a group of symmetrical linear guide rail 3, and the top of linear guide rail 3 is slidably connected with limiting assembly 4 by sliding block 703, limiting assembly 4 is connected with pump body 2, the top end of base 1 is fixedly connected with fixed frame 5, and fixed frame 5 is movably connected with rotating disc 6 on pivot, linear guide rail 3 can automatically control the movement of sliding block 703 above it, to facilitate the distance between pump body 2 and rotating disc 6, rotating disc 6 is provided with clamping assembly 7, the pivot end of pump body 2 is fixedly connected with transmission gear 8, and clamping assembly 7 is connected with the outside of transmission gear 8, fixed frame 5 is fixedly connected with detection motor 9, and detection motor 9 is fixedly connected with the pivot of rotating disc 6, transmission gear 8 is clamped by clamping assembly 7, then transmission gear 8 is rotated by detection motor 9, the pivot rotation speed of pump body 2 can be measured.

[0028] As Figures 1-3As shown, the limiting assembly 4 includes a bracket one 401, a cross rod 402, a limiting block one 403 and a driving rod one 404, the bottom of the bracket one 401 is fixedly connected with the top of the sliding block 703 of the linear guide rail 3, the inner side of the bracket one 401 movably connects a group of symmetrical cross rods 402, and the opposite sides of the cross rod 402 are fixedly connected with the limiting block one 403, the inner side of the bracket one 401 movably connects the driving rod one 404, a group of symmetrical threads are formed on the outer side of the driving rod one 404, the driving rod one 404 penetrates the cross rod 402, and the driving rod one 404 is threadedly connected with the cross rod 402, the limiting assembly 4 further includes a bracket two 405, a vertical rod 406, a limiting block two 407 and a driving rod two 408, the bottom of the bracket two 405 is fixedly connected with the top of the sliding block 703 of the linear guide rail 3, the inner side of the bracket two 405 movably connects a group of symmetrical vertical rods 406, and the opposite sides of the vertical rod 406 are fixedly connected with the limiting block two 407, the inner side of the bracket two 405 movably connects the driving rod two 408, a group of symmetrical threads are formed on the outer side of the driving rod two 408, the driving rod two 408 penetrates the vertical rod 406, and the driving rod two 408 is threadedly connected with the vertical rod 406, the top of the bracket one 401 is fixedly connected with a servo motor one 10, and one end of the output end of the servo motor one 10 is fixedly connected with the driving rod one 404, the top of the bracket two 405 is fixedly connected with a servo motor two 11, and one end of the output end of the servo motor two 11 is fixedly connected with the driving rod two 408, the inner side of the limiting block one 403 and the inner side of the limiting block two 407 are in close contact with the outer side of the pump body 2, the limiting block one 403 and the limiting block two 407 are made of elastic rubber material, which facilitates the clamping of the limiting block on the outer side of the pump body 2, avoids shaking of the pump body 2 during detection, and the limiting block made of rubber material is conducive to adapting to pump bodies 2 of different diameters, thereby improving the compatibility of pump bodies 2 of different sizes.

[0029] The servo motor one 10 drives the driving rod one 404 to rotate, the cross rod 402 is caused to move close to each other due to the thread connection between the driving rod one 404 and the cross rod 402, until the two limiting block one 403 clamps the outer side of the pump body 2, then the servo motor two 11 drives the driving rod two 408 to rotate, the vertical rod 406 is caused to move close to each other due to the thread connection between the driving rod two 408 and the vertical rod 406, until the two vertical rods 406 clamp the outer side of the pump body 2, so that the axis of the pump body 2 coincides with the axis of the rotating disc 6, the cross rod 402 moves close to each other and the vertical rod 406 moves close to each other, so that the pump body 2 is clamped, and at the same time, it is conducive to automatically aligning the axis of the pump body 2 with the axis of the rotating disc 6, thereby facilitating the synchronous rotation of the rotating shaft of the pump body 2 controlled by the detection motor 9.

[0030] As shown in the drawings, Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, the clamping assembly 7 comprises a driving disc 701, driving columns 702, sliding blocks 703 and clamping rods 704, the driving disc 701 is movably connected to the inner side of the rotating disc 6, a plurality of driving grooves 12 are formed on the driving disc 701, and a plurality of sliding grooves 13 are formed on the front side of the rotating disc 6, the driving columns 702, the sliding blocks 703, the clamping rods 704, the driving grooves 12 and the sliding grooves 13 are distributed in a circular array, the driving columns 702 are fixedly connected with the sliding blocks 703 respectively, the driving columns 702 are movably connected to the inside of the driving grooves 12 respectively, and the sliding blocks 703 are movably connected to the inside of the sliding grooves 13 respectively, one end of the clamping rod 704 is provided with a thread, one end of the clamping rod 704 is movably connected to the inside of the sliding block 703 through the thread, and the clamping rod 704 movably cooperates with the tooth groove of the transmission gear 8, the thread cooperation between the clamping rod 704 and the sliding block 703 can select different clamping rods 704 according to the synchronous size of the transmission gear 8, so as to improve the compatibility of the clamping assembly 7 to different pump bodies 2, the clamping assembly 7 further comprises a tooth ring 705, a control gear 706 and an adjusting block 707, the tooth ring 705 is fixedly connected to the outer side of the driving disc 701, the control gear 706 is movably connected to the rotating disc 6 through a rotating shaft, and the control gear 706 is engaged with the tooth ring 705, and the adjusting block 707 is threadedly connected to the driving disc 701, and the end of the adjusting block 707 movably cooperates with the inside of the rotating shaft of the control gear 706.

[0031] The pump body 2 is controlled to approach the rotating disc 6 through the linear guide rail 3 until the transmission gear 8 moves to the inside of the clamping rod 704, then the adjusting block 707 is rotated, the front end of the adjusting block 707 is controlled to move to the inside of the rotating shaft of the control gear 706, thereby driving the control gear 706 to rotate, so as to drive the tooth ring 705 to rotate in the inside of the rotating disc 6, so that the driving disc 701 rotates synchronously, since the driving columns 702 movably cooperate with the driving grooves 12, and the sliding blocks 703 movably cooperate with the sliding grooves 13, the sliding blocks 703 are controlled to approach each other along the sliding grooves 13, until the clamping rod 704 abuts against the tooth groove of the control gear 706, thereby clamping the control gear 706, which is helpful for the rotating shaft of the pump body 2 to rotate synchronously with the rotating disc 6, so as to detect the rotating speed of the rotating shaft of the pump body 2.

[0032] Working principle: in use, first, through the linear guide 3 can control the slider 703 above the movement, thereby driving the bracket one 401 and bracket two 405 along the length direction of linear guide 3 movement, thereby freely control the relative distance of bracket one 401 and bracket two 405, and the distance between bracket one 401 and bracket two 405 and rotating disc 6, then the pump body 2 is placed in the inside of bracket one 401 and bracket two 405, through servo motor one 10, drive rod one 404 rotation, because drive rod one 404 and cross bar 402 screw connection, make cross bar 402 close to each other, until two limit block one 403 clamping the outside of pump body 2, then through servo motor two 11, drive rod two 408 rotation, because drive rod two 408 and vertical bar 406 screw connection, make vertical bar 406 close to each other, until two vertical bar 406 clamping the outside of pump body 2, thereby make the axis of pump body 2 and the axis of rotating disc 6 coincide; then, through the linear guide 3 control pump body 2 close to rotating disc 6, until the transmission gear 8 moves to the inside of clamp rod 704, then rotate the adjusting block 707, control adjusting block 707 front end moves to the inside of control gear 706 rotation axis, thereby drive control gear 706 rotation, to this drive gear ring 705 rotation in the inside of rotating disc 6, make drive disc 701 synchronous rotation, because drive column 702 and drive groove 12 activity cooperation, slider 703 and slide groove 13 activity cooperation, thereby control slider 703 along the slide groove 13 close to each other, until clamp rod 704 and control gear 706 gear slot abut, thereby clamp control gear 706, then through detection motor 9, control rotating disc 6 rotation, namely can drive transmission gear 8 rotation, to this drive pump body 2 start work, to this through detection motor 9 detection of the rotational speed of pump body 2.

[0033] It is understood that, in the development of any actual implementation, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure, without undue experimentation.

[0034] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, and all modifications and equivalent replacements should be included in the scope of the claims of the present application.

Claims

1. A test tool for an oil pump, comprising a base (1) and a pump body (2), characterized in that: The outer side of the base (1) is fixedly connected with a group of symmetrical linear guides (3), and the top of the linear guide (3) is slidably connected with a limiting assembly (4) through a sliding block (703), the limiting assembly (4) is connected with the pump body (2), the top end of the base (1) is fixedly connected with a fixed frame (5), the fixed frame (5) is movably connected with a rotating disc (6) through a rotating shaft, the rotating disc (6) is provided with a clamping assembly (7), the rotating shaft end of the pump body (2) is fixedly connected with a transmission gear (8), and the clamping assembly (7) is connected with the outer side of the transmission gear (8), the fixed frame (5) is fixedly connected with a detection motor (9), and the detection motor (9) is fixedly connected with the rotating shaft of the rotating disc (6).

2. The test fixture of claim 1, wherein: The limiting assembly (4) comprises a support (401), a cross rod (402), a limiting block (403) and a driving rod (404), the bottom of the support (401) is fixedly connected with the sliding block (703) of the linear guide (3), a group of symmetrical cross rods (402) are movably connected to the inner side of the support (401), and the opposite sides of the cross rod (402) are fixedly connected with the limiting block (403), the driving rod (404) is movably connected to the inner side of the support (401), a group of symmetrical threads are formed in the outer side of the driving rod (404), the driving rod (404) penetrates through the cross rod (402), and the driving rod (404) is screw-connected with the cross rod (402).

3. The test fixture of claim 2, wherein: The limiting assembly (4) further comprises a support (405), a vertical rod (406), a limiting block (407) and a driving rod (408), the bottom of the support (405) is fixedly connected with the sliding block (703) of the linear guide (3), a group of symmetrical vertical rods (406) are movably connected to the inner side of the support (405), and the opposite sides of the vertical rod (406) are fixedly connected with the limiting block (407), the driving rod (408) is movably connected to the inner side of the support (405), a group of symmetrical threads are formed in the outer side of the driving rod (408), the driving rod (408) penetrates through the vertical rod (406), and the driving rod (408) is screw-connected with the vertical rod (406).

4. The test fixture of claim 3, wherein: The top of the support (401) is fixedly connected with a servo motor (10), and the output end of the servo motor (10) is fixedly connected with one end of the driving rod (404), the top of the support (405) is fixedly connected with a servo motor (11), and the output end of the servo motor (11) is fixedly connected with one end of the driving rod (408), and the inner side of the limiting block (403) and the inner side of the limiting block (407) are in close contact with the outer side of the pump body (2).

5. The test fixture of claim 1, wherein: The clamping assembly (7) comprises a driving disc (701), a driving column (702), a sliding block (703) and a clamping rod (704), the driving disc (701) is movably connected to the inner side of the rotating disc (6), a plurality of driving grooves (12) are formed in the driving disc (701), and a plurality of sliding grooves (13) are formed in the front side of the rotating disc (6), the driving column (702), the sliding block (703), the clamping rod (704), the driving grooves (12) and the sliding grooves (13) are circularly arranged, the driving column (702) is fixedly connected with the sliding block (703), the driving column (702) is movably connected to the inside of the driving groove (12), and the sliding block (703) is movably connected to the inside of the sliding groove (13).

6. The test fixture of claim 5, wherein: One end of the clamping rod (704) is provided with a thread, and the other end of the clamping rod (704) is movably connected to the inside of the sliding block (703) through the thread, and the clamping rod (704) is movably matched with the tooth groove of the transmission gear (8).

7. The test fixture of claim 6, wherein: The clamping assembly (7) further comprises a tooth ring (705), a control gear (706) and an adjusting block (707), the tooth ring (705) is fixedly connected to the outer side of the driving disc (701), the control gear (706) is movably connected to the rotating disc (6) through a rotating shaft, the control gear (706) is engaged with the tooth ring (705), and the adjusting block (707) is threadedly connected to the driving disc (701), and the end of the adjusting block (707) is movably matched with the inside of the rotating shaft of the control gear (706).

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