Fracturing truck plunger pump maintenance device

Abstract

The utility model provides a maintenance device for a plunger pump of a fracturing truck. And a mounting frame. According to the maintenance device for the plunger pump of the fracturing truck, the mounting frame, the first driving motor, the lead screw, the moving block, the sliding groove, the moving plate, the sliding rod, the spring, the fixing frame, the second driving motor, the driving gear, the driven gear and other structures are matched with one another; a first driving motor drives a screw rod to be in threaded connection in a moving block, so that the moving block drives a fixed frame and a driving gear to move towards one side of the driving gear, and the driving gear is propped against the side surface of a driven gear due to elastic buffering provided by a spring; the position of the driving gear can be flexibly adjusted within a certain range, the driving gear is precisely meshed with the driven gear in a self-adaptive mode, the driven gear is smoothly driven to rotate, and then the driven gear is driven to rotate, so that the working efficiency of follow-up maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plunger pump maintenance technical field especially relates to a fracturing truck plunger pump maintenance device. BACKGROUND

[0002] In the operation process of the fracturing truck, the plunger pump needs to be replaced and maintained due to the wear of the plunger head during reciprocating motion.

[0003] When the plunger pump of the fracturing truck is maintained, a maintenance device needs to be used. For example, the patent application with the publication number CN213016770 U discloses a support, a driving device, a driving gear, a sliding mechanism, and a driven gear. The driving device drives the driving gear to rotate. The sliding mechanism is arranged on the support and includes a sliding part and a sliding fitting part. The sliding part and the sliding fitting part are connected to each other by sliding. When the sliding part slides relative to the sliding fitting part, the driving gear moves forward and backward relative to the driven gear. The driven gear is connected to the input shaft of the reducer of the fracturing truck through a shaft and is meshed with the driving gear. The utility model cooperates the sliding fitting part with the sliding part, so that the driving device moves away from or approaches the driven gear of the electric disc pump device. The driving device can drive the driving gear to rotate and further drive the shaft of the driven gear to rotate, making it convenient to maintain and repair the plunger pump of the fracturing truck.

[0004] However, when the device is used, it is easy to cause the driving gear and the driven gear to be unable to mesh due to the misalignment of the side surfaces of the driving gear and the driven gear, thereby affecting the subsequent maintenance work efficiency.

[0005] Therefore, it is necessary to provide a fracturing truck plunger pump maintenance device to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a fracturing truck plunger pump maintenance device, solves the problem that the driving gear and the driven gear are misaligned, the driving gear and the driven gear cannot mesh, and the subsequent maintenance work efficiency is affected.

[0007] To solve the above technical problems, the utility model provides a fracturing truck plunger pump maintenance device, which comprises:

[0008] A support frame;

[0009] An installation frame is arranged at the bottom of the support frame. One end of the installation frame is fixedly installed with a first driving motor. The output end of the first driving motor is fixedly installed with a lead screw.

[0010] The moving block is screw-connected to the outer side of the screw rod, one side of the moving block is provided with a sliding groove, the inner side of the sliding groove is provided with two sliding rods, the outer sides of the two sliding rods are both sleeved with springs, and the outer sides of the two sliding rods are also slidably connected with a moving plate;

[0011] The fixed frame is fixedly installed on one side of the moving plate, the inner side of the fixed frame is fixedly installed with a second driving motor, and the output end of the second driving motor is fixedly installed with a driving gear;

[0012] The driven gear is arranged on one side of the driving gear.

[0013] Preferably, the bottom of the supporting frame is fixedly installed with a mounting plate, and the bottom of the mounting plate is fixedly installed on the top of the mounting frame.

[0014] Preferably, the top of the moving block abuts against the top of the inner side of the mounting frame.

[0015] Preferably, the moving plate is slidably connected to the inner side of the sliding groove.

[0016] Preferably, two threaded holes are formed in one side of the sliding groove, and the interiors of the two threaded holes are both screw-connected with threaded rods.

[0017] Preferably, one end of each of the two threaded rods is fixedly installed on one end of each of the two sliding rods.

[0018] Preferably, the other end of each of the two threaded rods is fixedly installed with a handle.

[0019] Compared with the related art, the fracturing truck plunger pump maintenance device has the following beneficial effects:

[0020] The fracturing truck plunger pump maintenance device comprises a mounting frame, a first driving motor, a screw rod, a moving block, a sliding groove, a moving plate, a sliding rod, a spring, a fixed frame, a second driving motor, a driving gear and a driven gear, which are cooperated with each other, so that when in use, the first driving motor drives the screw rod to be screw-connected in the moving block, so that the moving block drives the fixed frame and the driving gear to move to one side of the driving gear, so that the driving gear abuts against the side surface of the driven gear. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1A structure schematic view of a first embodiment of a fracturing truck plunger pump maintenance device provided by the utility model is shown in the figure.

[0022] Figure 2 For Figure 1 Another view structure schematic view is shown in the figure.

[0023] Figure 3 For Figure 2 The moving block side structure schematic view is shown in the figure.

[0024] Figure 4 A structure schematic view of a second embodiment of a fracturing truck plunger pump maintenance device provided by the utility model is shown in the figure.

[0025] Reference numerals in the figure: 1, support frame, 2, mounting plate, 21, mounting frame, 22, first drive motor, 23, screw rod, 3, moving block, 31, sliding groove, 32, moving plate, 33, sliding rod, 34, spring, 4, fixed frame, 41, second drive motor, 42, driving gear, 5, driven gear, 6, threaded hole, 61, threaded rod, 62, handle. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with the drawings and embodiments.

[0027] First embodiment

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 Among them, Figure 1 A structure schematic view of a first embodiment of a fracturing truck plunger pump maintenance device provided by the utility model is shown in the figure. Figure 2 For Figure 1 Another view structure schematic view is shown in the figure. Figure 3 For Figure 2 The moving block side structure schematic view is shown in the figure. A fracturing truck plunger pump maintenance device comprises: a support frame 1;

[0029] The mounting frame 21 is arranged at the bottom of the support frame 1, one end of the mounting frame 21 is fixedly provided with a first drive motor 22, and the output end of the first drive motor 22 is fixedly provided with a screw rod 23;

[0030] The moving block 3 is threadedly connected to the outer side of the screw rod 23, one side of the moving block 3 is provided with a sliding groove 31, the inner side of the sliding groove 31 is provided with two sliding rods 33, the outer sides of the two sliding rods 33 are both provided with springs 34, and the outer sides of the two sliding rods 33 are also slidably connected with moving plates 32;

[0031] A fixed frame 4 is fixedly installed on one side of the moving plate 32, and a second driving motor 41 is fixedly installed on the inner side of the fixed frame 4, and a driving gear 42 is fixedly installed on the output end of the second driving motor 41.

[0032] A driven gear 5 is arranged on one side of the driving gear 42.

[0033] The support frame 1 is fixed on a vehicle frame and serves as a fixing support, and a containing space is arranged at the bottom of the support frame 1, and the top of the support frame 1 can bear heavy objects, and the prior art can be used.

[0034] The driven gear 5 is connected with an input shaft of a fracturing vehicle plunger pump speed reducer, and the plunger pump is driven to stretch and retract by driving the driving and driven gears 5 to rotate, and after the plunger pump head is stretched to a specified length position, the valve body can be replaced.

[0035] The driving gear 42 is selectively connected with the driven gear 5, and in a normal state, the driving gear 42 can rotate freely, and when the valve body needs to be replaced, the plunger pump is stopped, and then the driving gear 42 is moved to engage with the driven gear 5, and then the driven gear 5 is driven to rotate by the driving gear 42.

[0036] The bottom of the support frame 1 is fixedly installed with a mounting plate 2, and the bottom of the mounting plate 2 is fixedly installed on the top of the mounting frame 21.

[0037] The mounting plate 2 is arranged to mount the mounting frame 21 on the bottom of the support frame 1.

[0038] The top of the moving block 3 abuts against the top of the inner side of the mounting frame 21.

[0039] The moving plate 32 is slidingly connected to the inner side of the sliding groove 31.

[0040] The working principle of the fracturing vehicle plunger pump maintenance device is as follows:

[0041] When using, when the driving gear 42 and the driven gear 5 need to be engaged, drive the driven gear 5 to rotate, the user first starts the first drive motor 22, drives the lead screw 23 to rotate, so that the lead screw 23 is threadedly connected in the moving block 3, so that the moving block 3 moves to one side of the driven gear 5, and the moving plate 32 slides on the outer side of the slide rod 33, so that the spring 34 is contracted, and the driving gear 42 is pressed on the driven gear 5. After that, the second drive motor 41 is started, and the second drive motor 41 drives the driving gear 42 to rotate. At this time, the driving gear 42 will be adaptively engaged with the driven gear 5, and then drive the driven gear 5 to rotate.

[0042] Compared with the related art, the maintenance device for the fracturing truck plunger pump has the following beneficial effects:

[0043] Through the cooperation of the installation frame 21, the first drive motor 22, the lead screw 23, the moving block 3, the sliding groove 31, the moving plate 32, the slide rod 33, the spring 34, the fixed frame 4, the second drive motor 41, the driving gear 42 and the driven gear 5, when using, the first drive motor 22 drives the lead screw 23 to be threadedly connected in the moving block 3, so that the moving block 3 drives the fixed frame 4 and the driving gear 42 to move to one side of the driving gear 42, so that the driving gear 42 abuts against the side of the driven gear 5. Thanks to the elastic buffer provided by the spring 34, the driving gear 42 can flexibly adjust the position within a certain range, adaptively and accurately engage with the driven gear 5, smoothly drive the driven gear 5 to rotate, and then drive the driven gear 5 to rotate. In this way, the work efficiency of subsequent maintenance is increased.

[0044] Second embodiment

[0045] Please refer to Figure 4 Based on the first embodiment of the present application, the second embodiment of the present application provides another maintenance device for the fracturing truck plunger pump. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0046] Specifically, the difference between the second embodiment of the present application and the first embodiment is that the sliding groove 31 is provided with two threaded holes 6 on one side, and the threaded holes 6 are threadedly connected with threaded rods 61.

[0047] One end of the threaded rod 61 is fixedly installed at one end of the slide rod 33.

[0048] The other end of each of the threaded rods 61 is fixedly installed with a rotating handle 62.

[0049] The working principle of the fracturing truck plunger pump maintenance device is as follows:

[0050] After the elasticity of the spring 34 is reduced after long-time use, the user can rotate the rotating handle 62, so that the rotating handle 62 drives the threaded rod 61 to be screwed on the inner side of the threaded hole 6, thereby taking out the threaded rod 61 from the inner side of the threaded hole 6, and then disassembling and replacing the spring 34.

[0051] Compared with the related art, the fracturing truck plunger pump maintenance device has the following beneficial effects:

[0052] Through cooperation of the threaded hole 6, the threaded rod 61 and the rotating handle 62, when in use, the user only needs to rotate the rotating handle 62 to drive the threaded rod 61 to be screwed out of the inner side of the threaded hole 6, so that the sliding rod 33 can be disassembled from the inner side of the sliding groove 31, thereby disassembling the spring 34, which is convenient and fast to operate.

[0053] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A fracturing truck plunger pump maintenance device, characterized by, Include: Support frame; Mounting frame, the mounting frame is arranged in the bottom of the support frame, one end of the mounting frame is fixedly installed with a first drive motor, the output end of the first drive motor is fixedly installed with a lead screw; Moving block, the moving block is threadedly connected to the outer side of the lead screw, a sliding groove is formed in one side of the moving block, two slide rods are arranged on the inner side of the sliding groove, springs are sleeved on the outer sides of the two slide rods, and a moving plate is slidably connected to the outer sides of the two slide rods; Fixed frame, the fixed frame is fixedly installed on one side of the moving plate, a second drive motor is fixedly installed on the inner side of the fixed frame, and a driving gear is fixedly installed on the output end of the second drive motor; Driven gear, the driven gear is arranged on one side of the driving gear.

2. A fracturing truck plunger pump maintenance device according to claim 1, wherein, The bottom of the support frame is fixedly installed with a mounting plate, and the bottom of the mounting plate is fixedly installed on the top of the mounting frame.

3. A fracturing truck plunger pump maintenance device according to claim 1, wherein, The top of the moving block abuts against the top of the inner side of the mounting frame.

4. A fracturing truck plunger pump maintenance device according to claim 1, wherein, The moving plate is slidably connected to the inner side of the sliding groove.

5. A fracturing truck plunger pump maintenance device according to claim 1, wherein, Two threaded holes are formed in one side of the sliding groove, and threaded rods are threadedly connected in the two threaded holes.

6. A fracturing truck plunger pump maintenance device according to claim 5, wherein, One end of the two threaded rods is fixedly installed on one end of the two slide rods.

7. A fracturing truck plunger pump maintenance device according to claim 6, wherein, The other end of the two threaded rods is fixedly installed with a handle.

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