Plunger pump cylinder body dismounting and mounting device

Abstract

The utility model relates to the technical field of tunneling engineering, in particular to a plunger pump cylinder disassembling and assembling device which comprises a movable supporting component, a power component, a transmission component and a cylinder tray. The movable supporting component comprises a pair of supports which are vertically arranged according to a certain distance, guide rails are arranged on the opposite sides of the two supports, and a supporting sliding block is connected between the guide rails in a sliding mode. One end of the supporting platform and the supporting sliding block are fixed into a whole, and the other end of the supporting platform extends towards the side away from the support by a certain distance; a transmission part for bearing the cylinder tray to move horizontally is arranged on the supporting platform; the power part is used for driving the movable supporting sliding block to move in the vertical direction, and then the height of the supporting platform is adjusted. According to the plunger pump cylinder body disassembling and assembling device, the problems that time and labor are wasted and efficiency is low when the cylinder body is disassembled and assembled manually are effectively solved, and meanwhile the safety risk in the disassembling and assembling process is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tunneling engineering, in particular to a plunger pump cylinder disassembly and assembly device. Background Art

[0002] At present, the number of plunger pumps in the market is increasing, and the pump remanufacturing business is also developing rapidly. The first step of the remanufacturing business is to disassemble and assemble the old pump. The plunger pump is a precision component, and the main drive hydraulic pump (750mL / r) weighs more than 500kg. If tooling is not used, it will be very difficult to disassemble and assemble the pump, and the efficiency is low, especially when disassembling and assembling the inner cylinder of the pump (50kg). At present, manual disassembly and transportation are often used, which is not only time-consuming and labor-intensive, but also has safety hazards, and it is easy to cause the plunger shoe to fall off and the ball spring to collapse. For this reason, a plunger pump cylinder disassembly and assembly device is designed, which can conveniently and quickly disassemble and assemble the cylinder. Summary of the invention

[0003] The utility model aims to provide a plunger pump cylinder disassembly and assembly device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A plunger pump cylinder disassembly and assembly device, comprising a movable support component, a power component, a transmission component and a cylinder tray;

[0006] The movable support component includes a pair of brackets arranged vertically at a certain interval, guide rails are provided on opposite sides of the two brackets, and a support slider is slidably connected between the guide rails; it also includes a horizontal support platform, one end of the support platform is fixed to the support slider as a whole, and the other end extends a certain distance away from the bracket; the support platform is provided with a transmission component for carrying the cylinder tray for horizontal movement;

[0007] The power component is used to drive the movable support slider to move in the vertical direction, thereby adjusting the height of the support platform.

[0008] Furthermore, the power component includes a servo motor, a reducer and a coupling which are connected in sequence; a screw rod is connected to the end of the coupling, and the screw rod is threadedly connected to the supporting slider.

[0009] Furthermore, a position limiter is provided at the uppermost end of any of the guide rails.

[0010] Furthermore, connecting plates are provided on the left and right sides of the top of the supporting platform, and the transmission component is provided between the two connecting plates.

[0011] Furthermore, the transmission component is in the form of roller or belt transmission.

[0012] Furthermore, a plurality of horizontal transmission rollers are provided between the connection plates at fixed intervals, and the transmission rollers rotate under the action of the bidirectional driving structure to carry the cylinder tray to move between the bracket and the plunger pump cylinder.

[0013] Furthermore, the cylinder tray includes a semi-cylindrical supporting portion adapted to the inner wall of the cylinder body, a semi-circular radial supporting platform is provided at one end of the supporting portion, and the other end extends radially to a certain extent to form a slot for limiting the bottom of the cylinder.

[0014] Furthermore, a rubber pad is adhered to the inner side of the card slot.

[0015] Furthermore, a connecting column is provided at the center of one side of the support platform away from the card slot.

[0016] Furthermore, a semicircular clamping hole for mounting the inner central axis of the cylinder body is provided at the top center of the support platform.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model designs a cylinder tray device according to the cylinders of different types of plunger pumps. The tray device can move back and forth under the support of a movable support component, thereby avoiding manual disassembly and transportation, and also avoiding the problems of the plunger sliding shoe falling off and the ball spring collapsing.

[0019] In addition, the height of the movable support part can be adjusted to suit different disassembly and assembly platforms;

[0020] The cylinder tray has a slot that can effectively hold the bottom of the cylinder, making it easy to disassemble and assemble the cylinder; a rubber pad is glued to the inside of the slot to effectively prevent the cylinder from being scratched.

[0021] In short, the plunger pump cylinder disassembly and assembly device effectively solves the time-consuming, labor-intensive and inefficient problem of manual disassembly and assembly of the cylinder, and also greatly reduces the safety risks of the disassembly and assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of a cylinder disassembly and assembly device of the utility model;

[0023] Figure 2 It is a schematic diagram of the cylinder tray;

[0024] Figure 3 It is a schematic diagram of the structure of the power components;

[0025] Figure 4 It is a schematic diagram of the assembly of the cylinder body and the cylinder body tray.

[0026] In the figure: 1. plunger pump; 2. cylinder tray; 2-1. supporting part; 2-2. slot; 2-3. support plate; 2-4. connecting column; 3. servo motor; 4. reducer; 5. coupling; 6. slider; 7. roller; 8. guide rail; 9. bracket. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 , the utility model provides a plunger pump cylinder disassembly and assembly device, including a movable support component, a power component, a transmission component and a cylinder tray 2;

[0029] The movable supporting component includes a pair of brackets 9 vertically arranged at a certain interval, and guide rails 8 are provided on the opposite sides of the two brackets 9, and support sliders 6 are slidably connected between the guide rails 8; it also includes a horizontal supporting platform, which is a strip plate and one end of which is fixed to the supporting slider 6 as a whole, and the other end extends a certain distance to the side away from the bracket 9; a transmission component for carrying the cylinder tray 2 for horizontal movement is provided on the supporting platform.

[0030] The power component is used to drive the support slider 6 to move, thereby adjusting the height of the support platform.

[0031] Preferably, the power component includes a servo motor 3, a reducer 4 and a coupling 5 connected in sequence; a screw rod is connected to the end of the coupling 5, and the screw rod is threadedly connected to the support slider 6, so that the vertical movement of the support slider 6 is driven by the power component, which can effectively adjust the cylinder tray 2 and the support platform to different heights to adapt to different disassembly and assembly platforms.

[0032] Preferably, a position limiter is provided at the uppermost end of any guide rail 8, thereby defining the highest position that the support platform can reach.

[0033] Preferably, connecting plates are provided on the left and right sides of the top of the support platform, and the transmission component is provided between the two connecting plates; the transmission component is a roller 7 or a belt drive; if the transmission component is a roller 7 drive, a plurality of horizontal transmission rollers 7 are provided between the connecting plates at a fixed interval, and the transmission rollers 7 rotate under the action of the bidirectional driving structure to drive the cylinder tray 2 to move between the bracket 9 and the cylinder of the plunger pump 1. The bidirectional driving structure includes a bidirectional driving motor, a gear and a driving chain connected in sequence, and the driving chain is connected to the transmission roller 7 as a whole.

[0034] The cylinder tray 2 includes a semi-cylindrical supporting part 2-1 adapted to the inner wall of the cylinder, one end of the supporting part 2-1 is provided with a semi-circular radial supporting platform, and the other end extends radially to a certain size to form a clamping groove 2-2 for limiting the bottom of the cylinder; a rubber pad is adhered to the inner side of the clamping groove 2-2 to effectively prevent the cylinder from being scratched. A connecting column 2-4 is provided at the center of the outer side of the supporting platform; a semi-circular clamping hole for carrying the inner central axis of the cylinder is provided at the center of the top of the supporting platform.

[0035] The utility model also discloses a working method of the cylinder disassembly and assembly device of the plunger pump 1, comprising the following steps:

[0036] S1. When disassembling the cylinder of the plunger pump 1, first fix the plunger pump 1 on the disassembly platform, and remove the rear cover and valve parts;

[0037] S2, adjust the support platform, the transmission roller 7 and the cylinder tray 2 to the required height through the power component;

[0038] S3, slide the cylinder tray 2 into the cylinder through the transmission roller 7, fine-tune the height of the support platform, so that the slot 2-2 of the cylinder tray 2 is stuck to the bottom of the cylinder, and then pull out the cylinder tray 2 and the cylinder through the connecting column 2-4, and pull out the plunger shoe, return plate and ball joint when the cylinder is pulled out;

[0039] S4, the transmission roller 7 is rotated in the opposite direction, so that the cylinder tray 2, the cylinder, the plunger shoe, the return plate and the ball joint are moved horizontally outward, thereby effectively preventing the plunger shoe and the ball joint from falling off; finally, the cylinder is lifted to a suitable position with a sling;

[0040] Similarly, during the cylinder installation process, the cylinder body is first hoisted onto the supporting platform, and then the cylinder body tray 2 is used to horizontally roll the cylinder body, plunger shoe, return plate and ball joint into the cylinder body. It can be installed by shaking and aligned with the bearing slot 2-2.

[0041] The plunger pump 1 cylinder disassembly and assembly device effectively solves the problem of time-consuming, labor-intensive and low-efficiency manual disassembly and assembly of the cylinder, and also greatly reduces the safety risks in the disassembly and assembly process.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plunger pump cylinder disassembly and assembly device, characterized in that: It includes movable supporting parts, power parts, transmission parts and cylinder tray; The movable support component includes a pair of brackets arranged vertically at a certain interval, guide rails are provided on opposite sides of the two brackets, and a support slider is slidably connected between the guide rails; it also includes a horizontal support platform, one end of the support platform is fixed to the support slider as a whole, and the other end extends a certain distance away from the bracket; the support platform is provided with a transmission component for carrying the cylinder tray for horizontal movement; The power component is used to drive the movable support slider to move in the vertical direction, thereby adjusting the height of the support platform.

2. The plunger pump cylinder disassembly and assembly device according to claim 1, characterized in that: The power component comprises a servo motor, a reducer and a coupling which are connected in sequence; a lead screw is connected to the end of the coupling, and the lead screw is threadedly connected to the support slider.

3. The plunger pump cylinder disassembly and assembly device according to claim 1, characterized in that: A position limiter is arranged at the uppermost end of any of the guide rails.

4. The plunger pump cylinder disassembly and assembly device according to claim 1, characterized in that: The left and right sides of the top of the support platform are provided with connecting plates, and the transmission component is arranged between the two connecting plates.

5. The plunger pump cylinder disassembly and assembly device according to claim 4, characterized in that: The transmission component is in the form of roller or belt transmission.

6. The plunger pump cylinder disassembly and assembly device according to claim 5, characterized in that: A plurality of horizontal transmission rollers are arranged between the connection plates at fixed intervals. The transmission rollers rotate under the action of the bidirectional driving structure to carry the cylinder tray to move between the bracket and the plunger pump cylinder.

7. The plunger pump cylinder disassembly and assembly device according to claim 1, characterized in that: The cylinder tray comprises a semi-cylindrical supporting part adapted to the inner wall of the cylinder, one end of the supporting part is provided with a semi-circular radial supporting platform, and the other end extends radially to a certain extent to form a slot for limiting the cylinder bottom.

8. The plunger pump cylinder disassembly and assembly device according to claim 7, characterized in that: A rubber pad is adhered to the inner side of the card slot.

9. The plunger pump cylinder disassembly and assembly device according to claim 7, characterized in that: A connecting column is provided at the center of one side of the support platform away from the card slot.

10. The plunger pump cylinder disassembly and assembly device according to claim 1, characterized in that: A semicircular clamping hole for carrying the inner central axis of the cylinder body is provided at the top center of the supporting platform.

Images