Duplex axial plunger motor

By introducing a fixed plate and spring mechanism into the dual axial piston motor, quick assembly and disassembly of the lower and upper housings are achieved, solving the common problem of cumbersome motor assembly and disassembly and improving assembly and disassembly efficiency.

CN223459483UActive Publication Date: 2025-10-21SHUANGLIN HYDRAULIC PARTS (TIANJIN) CO LTD
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Patent Information

Application Number
CN202422843752.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Common dual-type axial piston motors lack quick disassembly and assembly functions, which means that a large number of bolts need to be removed and installed during maintenance. The disassembly and assembly process is cumbersome, time-consuming, and affects efficiency.

Method used

A dual-axis piston motor was designed. A fixing plate is inserted into the connecting groove, and a spring pushes the fixing plate into the fixing slot to fix the lower and upper housings. During disassembly, the pull rod is pulled to move the fixing plate into the telescopic groove, and the connecting plate is pulled out by the handle, thus achieving quick disassembly and assembly.

Benefits of technology

It enables quick assembly and disassembly of the dual axial piston motor, avoiding a large number of bolt connections and improving assembly and disassembly efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223459483U_ABST
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Abstract

The utility model relates to the field of duplex axial plunger motors, in particular to a duplex axial plunger motor, which comprises a lower shell. The device further comprises an upper shell, connecting plates, fixing plates, fixing inserting grooves, connecting grooves, telescopic grooves and fixing inserting plates, the upper shell is arranged at the top of the lower shell, and the four connecting plates are symmetrically arranged at the left end and the right end of the front side and the right end of the rear side of the lower shell. The fixing plate is inserted into the connecting groove, then the fixing inserting plate is pushed by the spring to be inserted into the fixing inserting groove so that the lower shell and the upper shell can be fixed, and when the lower shell and the upper shell need to be disassembled, the pull rod is pulled upwards to drive the fixing inserting plate to move upwards, so that the lower shell and the upper shell can be disassembled. And then the connecting plate is pulled through the grip, and the connecting plate drives the fixing plate to be pulled out from the interior of the connecting groove, so that the lower shell and the upper shell are separated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to duplex axial plunger motor field especially relates to a duplex axial plunger motor. BACKGROUND

[0002] Duplex axial plunger motor is one of the most widely used hydraulic elements in modern hydraulic transmission, and the duplex axial plunger motor needs to be disassembled after its shell is disassembled to maintain the internal components, so it is necessary to remove a large number of bolts fixed on the shell, and a large number of bolts need to be fixed during installation.

[0003] The common duplex axial plunger motor only contains driving function and can drive the double shaft to rotate, but lacks quick disassembly and assembly function, and cannot guarantee quick disassembly and assembly when the motor needs maintenance, so the shell of the motor is fixed and connected by a large number of bolts, which leads to very complicated steps during disassembly and assembly, consumes a lot of time and affects the disassembly and assembly efficiency.

[0004] Therefore, in view of the above-mentioned duplex axial plunger motor lacking quick disassembly and assembly function, a duplex axial plunger motor can be designed, which is inserted into the inside of the connecting groove through the fixed plate, and then the fixed plug is inserted into the inside of the fixed plug slot by the spring to fix the lower shell and the upper shell. When the lower shell and the upper shell need to be disassembled, the fixed plug is moved upward by pulling the pull rod, until the fixed plug is completely inserted into the inside of the telescopic groove after being pulled out from the inside of the fixed plug slot, and then the connecting plate is pulled by the handle, so that the fixed plate is pulled out from the inside of the connecting groove, so that the lower shell and the upper shell are separated. SUMMARY

[0005] In order to overcome the problem that the common duplex axial plunger motor lacks quick disassembly and assembly function, cannot guarantee quick disassembly and assembly when the motor needs maintenance, and the shell of the motor is fixed and connected by a large number of bolts, which leads to very complicated steps during disassembly and assembly, consumes a lot of time and affects the disassembly and assembly efficiency.

[0006] The utility model discloses a technical scheme for a double-axial plunger motor, comprising a lower shell, an upper shell, a connecting plate, a fixing plate, a fixing slot, a connecting slot, an extension slot and a fixing plug.

[0007] Preferably, the lower shell and the upper shell are fixed by inserting the fixing plate into the connecting slot and then inserting the fixing plug into the fixing slot by the spring. When the lower shell and the upper shell need to be disassembled, the fixing plug is pulled upwards to move upwards until it is completely inserted into the extension slot, and then the connecting plate is pulled by the handle, so that the fixing plate is pulled out of the connecting slot, thereby separating the lower shell and the upper shell. This solves the problem of common double-axial plunger motors, which only contain driving function and can drive double shafts to rotate, but lack quick disassembly function, cannot guarantee quick disassembly when the motor needs maintenance, and are prone to have the outer shell of the motor fixed by a large number of bolts, resulting in very complicated steps during disassembly, consuming a lot of time and affecting disassembly efficiency.

[0008] Preferably, the extension slot has two springs symmetrically arranged at the top of the extension slot.

[0009] Preferably, the upper shell has four handles symmetrically arranged at the top of the upper shell corresponding to the positions of the four fixing plugs.

[0010] Preferably, the lower shell and the upper shell have a main shaft slot symmetrically arranged at the middle of the top of the lower shell and the bottom of the upper shell, an oil inlet slot symmetrically arranged at the front side of the middle of the top of the lower shell and the bottom of the upper shell, and an oil outlet slot symmetrically arranged at the rear side of the middle of the top of the lower shell and the bottom of the upper shell.

[0011] Preferably, the connecting plate has a handle arranged at the top of the side away from the upper shell, and the lower shell has four rotating slots symmetrically arranged at the positions of the connecting plate.

[0012] Preferably, the lower shell has four connecting shafts symmetrically arranged at the positions of the connecting plate, and the connecting plate is rotatably connected to the connecting shafts.

[0013] As preferred, the top of the lower shell and the bottom of the upper shell are symmetrically provided with four sealing grooves with equal intervals corresponding to the positions of the main shaft groove, the oil inlet groove and the oil outlet groove, and the sealing grooves are internally provided with sealing pads.

[0014] The utility model discloses the beneficial effect that:

[0015] 1, through the fixed plate insertion connection groove's inside, then again through spring push fixed plug -in board inserts the inside of fixed plug -in slot and makes the lower shell and upper shell fixed, when needing to disassemble lower shell and upper shell, through the upward pull of pull rod drive fixed plug -in board upwardly removes, until fixed plug -in board is extracted from the inside of fixed plug -in slot and completely enters the inside of telescopic slot, then again through the handle pull connection board, and connection board drive fixed plate is extracted from the inside of connection groove, thereby making lower shell and upper shell separate, to solve the common double -linked axial piston motor, only contain drive function, can drive double -shaft and rotate, but lack the function of quick disassembly, can not guarantee when the motor needs maintenance to its quick disassembly, prone to the shell of motor and adopt a large number of bolt fixed connection, so lead to when disassembling step is very tedious, and a large amount of time is consumed, influence disassembly efficiency problem. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a kind of double -linked axial piston motor three-dimensional structure schematic diagram of structure, as shown in the figure:

[0017] Figure 2 The utility model discloses a kind of double -linked axial piston motor lower shell explosion structure schematic diagram of structure, as shown in the figure:

[0018] Figure 3 The utility model discloses a kind of double -linked axial piston motor upper shell explosion structure schematic diagram of structure, as shown in the figure:

[0019] Figure 4 The utility model discloses a kind of double -linked axial piston motor upper shell section structure schematic diagram of structure, as shown in the figure:

[0020] Figure 5 The utility model discloses a kind of double -linked axial piston motor upper shell three-dimensional top view structure schematic diagram of structure, as shown in the figure:

[0021] Reference signs explanation: 1, lower shell;2, upper shell;3, connection board;4, fixed plate;5, fixed plug -in slot;6, connection groove;7, telescopic slot;8, fixed plug -in board;9, spring;10, pull rod;11, main shaft groove;12, oil inlet groove;13, oil outlet groove;14, handle;15, connecting shaft;16, rotation groove;17, sealing groove;18, sealing pad. DETAILED DESCRIPTION

[0022] The utility model discloses further be explained in connection with the drawings and embodiment.

[0023] Referring to Figures 1-5 The utility model provides a kind of embodiment: a kind of duplex axial plunger motor, including lower shell 1;Still including upper shell 2, connecting plate 3, fixed plate 4, fixed slot 5, connecting slot 6, telescopic slot 7 and fixed plug plate 8, the top of lower shell 1 is provided with upper shell 2, the left and right ends of the front and rear sides of lower shell 1 are symmetrically provided with four connecting plate 3, the left and right ends of the front and rear sides of upper shell 2 are symmetrically provided with four connecting slot 6 corresponding to the position of connecting plate 3, the top end of the side of connecting plate 3 close to connecting slot 6 is provided with fixed plate 4, fixed plate 4 is inserted into the inside of connecting slot 6, the top end of the inside of connecting slot 6 is provided with telescopic slot 7, the inside of telescopic slot 7 is provided with fixed plug plate 8, the top end of fixed plate 4 is provided with fixed slot 5 corresponding to the position of fixed plug plate 8, the bottom end of fixed plug plate 8 is inserted into the inside of fixed slot 5, by fixed plate 4 insertion into the inside of connecting slot 6, then again by spring 9 push fixed plug plate 8 insertion into the inside of fixed slot 5 so that lower shell 1 and upper shell 2 are fixed, when needing to disassemble lower shell 1 and upper shell 2, by pulling pull rod 10 and driving fixed plug plate 8 to move upwards, until fixed plug plate 8 is extracted from the inside of fixed slot 5 and completely enters the inside of telescopic slot 7, then again by handle 14 pull connecting plate 3, connecting plate 3 drives fixed plate 4 to be extracted from the inside of connecting slot 6, so that lower shell 1 and upper shell 2 are separated, to solve the common duplex axial plunger motor, only contain driving function, can drive double shaft to rotate, but lack the function of quick disassembly, unable to guarantee when motor needs maintenance can be quickly disassembled, prone to the shell of motor is fixedly connected using a large number of bolts, so lead to when disassembling step is very tedious, consume a lot of time, affect disassembly efficiency problem.

[0024] Referring to Figures 2-5In the embodiment, the left and right ends of the inner top end of the telescopic groove 7 are symmetrically provided with two springs 9, the bottom end of the spring 9 is connected with the top of the fixed plug plate 8, the middle of the top of the lower shell 1 and the bottom of the upper shell 2 is symmetrically provided with a main shaft groove 11, the front middle of the top of the lower shell 1 and the bottom of the upper shell 2 is symmetrically provided with an oil inlet groove 12, the rear middle of the top of the lower shell 1 and the bottom of the upper shell 2 is symmetrically provided with an oil outlet groove 13, the top of the lower shell 1 and the bottom of the upper shell 2 are symmetrically provided with four sealing grooves 17 at equal intervals corresponding to the positions of the main shaft groove 11, the oil inlet groove 12 and the oil outlet groove 13, and the inside of the sealing groove 17 is provided with a sealing pad 18, when the lower shell 1 and the upper shell 2 need to be installed, the lower shell 1 and the upper shell 2 are first attached, then the connecting plate 3 is pushed upward by the handle 14, at the same time, the fixed plug plate 8 is pulled upward to move upwardly driven by the pull rod 10, when the fixed plug plate 8 moves upwardly, the spring 9 is extruded, after the connecting plate 3 drives the fixed plate 4 to insert into the inside of the connecting groove 6, the pull rod 10 is released, the fixed plug plate 8 is inserted into the inside of the fixed plug groove 5 by the spring 9 to make the lower shell 1 and the upper shell 2 fixed.

[0025] Please refer to Figures 1-5 In the embodiment, the top of the upper shell 2 is provided with four pull rods 10 at equal intervals corresponding to the positions of the four fixed plug plates 8, the bottom end of the pull rod 10 penetrates the upper shell 2 and is connected with the top of the fixed plug plate 8, the top of the side away from the upper shell 2 of the connecting plate 3 is provided with a handle 14, the left and right ends of the front and rear sides of the lower shell 1 are provided with four rotating grooves 16 at equal intervals corresponding to the positions of the connecting plate 3, the left and right ends of the front and rear sides of the lower shell 1 are provided with four connecting shafts 15 at equal intervals corresponding to the positions of the connecting plate 3, the bottom end of the connecting plate 3 is rotationally connected with the connecting shaft 15, when the lower shell 1 and the upper shell 2 need to be disassembled, the fixed plug plate 8 is pulled upward to move upwardly driven by the pull rod 10, until the fixed plug plate 8 is pulled out from the inside of the fixed plug groove 5 and completely enters the inside of the telescopic groove 7, then the connecting plate 3 is pulled by the handle 14, the fixed plate 4 is pulled out from the inside of the connecting groove 6 driven by the connecting plate 3, so that the lower shell 1 and the upper shell 2 are separated, realizing the function of quick disassembly, preventing the problem that the outer shell of the motor is fixed and connected by a large number of bolts, so that the steps are very tedious during disassembly, a lot of time is consumed, and the disassembly efficiency is affected.

[0026] When working, when the lower shell 1 and the upper shell 2 need to be installed, the lower shell 1 and the upper shell 2 are first attached, and then the connecting plate 3 is pushed upward by the handle 14, while the pull rod 10 is pulled upward to drive the fixed plug plate 8 to move upward, and when the fixed plug plate 8 moves upward, the spring 9 is extruded, and when the connecting plate 3 drives the fixed plate 4 to insert into the inside of the connecting groove 6, the pull rod 10 is released, and the fixed plug plate 8 is pushed into the inside of the fixed plug groove 5 by the spring 9, so that the lower shell 1 and the upper shell 2 are fixed, and when the lower shell 1 and the upper shell 2 need to be disassembled, the fixed plug plate 8 is moved upward by pulling the pull rod 10 upward, until the fixed plug plate 8 is pulled out from the inside of the fixed plug groove 5 and completely enters the inside of the telescopic groove 7, and then the connecting plate 3 is pulled by the handle 14, the fixed plate 4 is pulled out from the inside of the connecting groove 6, so that the lower shell 1 and the upper shell 2 are separated, realizing the function of quick disassembly.

[0027] Through the above steps, the fixed plate 4 is inserted into the inside of the connecting groove 6, and then the fixed plug plate 8 is inserted into the inside of the fixed plug groove 5 by the spring 9, so that the lower shell 1 and the upper shell 2 are fixed, and when the lower shell 1 and the upper shell 2 need to be disassembled, the fixed plug plate 8 is moved upward by pulling the pull rod 10 upward, until the fixed plug plate 8 is pulled out from the inside of the fixed plug groove 5 and completely enters the inside of the telescopic groove 7, and then the connecting plate 3 is pulled by the handle 14, the fixed plate 4 is pulled out from the inside of the connecting groove 6, so that the lower shell 1 and the upper shell 2 are separated, to solve the common double-axial piston motor, only containing driving function, can drive the double shaft to rotate, but lacks the function of quick disassembly, cannot guarantee that the motor can be quickly disassembled when it needs to be maintained, and is prone to the problem that the shell of the motor is fixed and connected by a large number of bolts, so that the steps are very cumbersome when disassembling, a lot of time is wasted, and the disassembly efficiency is affected.

Claims

1. A duplex axial piston motor comprising a lower housing (1) ; characterized in that: The utility model also includes upper shell (2), connecting plate (3), fixed plate (4), fixed slot (5), connecting slot (6), telescopic slot (7) and fixed plug plate (8), the top of lower shell (1) is provided with upper shell (2), the left and right two ends of the front and rear sides of lower shell (1) are symmetrically provided with four connecting plate (3), the left and right two ends of the front and rear sides of upper shell (2) are symmetrically provided with four connecting slot (6) corresponding connecting plate (3), the top of the side of connecting plate (3) near connecting slot (6) is provided with fixed plate (4), fixed plate (4) is inserted into the inside of connecting slot (6), the top of the inside of connecting slot (6) is provided with telescopic slot (7), the inside of telescopic slot (7) is provided with fixed plug plate (8), the top of fixed plate (4) is provided with fixed slot (5) corresponding fixed plug plate (8), the bottom of fixed plug plate (8) is inserted into the inside of fixed slot (5).

2. A dual axial piston motor as claimed in claim 1, characterized in that: The left and right two ends of the top of the inside of telescopic slot (7) are symmetrically provided with two springs (9), and the bottom of the spring (9) is connected with the top of the fixed plug plate (8).

3. A dual axial piston motor as claimed in claim 1, characterized in that: The top of upper shell (2) is provided with four pull rods (10) at equal intervals corresponding the position of four fixed plug plates (8), and the bottom of the pull rod (10) penetrates the top of the upper shell (2) and is connected with the top of the fixed plug plate (8).

4. A dual axial piston motor as claimed in claim 1, characterized in that: The middle of the top of lower shell (1) and the bottom of upper shell (2) is symmetrically provided with a main shaft slot (11), the front side of the top of lower shell (1) and the bottom of upper shell (2) is symmetrically provided with an oil inlet groove (12), and the rear side of the top of lower shell (1) and the bottom of upper shell (2) is symmetrically provided with an oil outlet groove (13).

5. A dual axial piston motor as claimed in claim 1, characterized in that: The top of the side of connecting plate (3) away from upper shell (2) is provided with a handle (14), and the left and right two ends of the front and rear sides of lower shell (1) are provided with four rotating grooves (16) at equal intervals corresponding the position of connecting plate (3).

6. A dual axial piston motor as claimed in claim 1, characterized in that: The left and right two ends of the front and rear sides of lower shell (1) are provided with four connecting shafts (15) at equal intervals corresponding the position of connecting plate (3), and the bottom of connecting plate (3) is rotationally connected with the connecting shaft (15).

7. A dual axial piston motor as claimed in claim 4, characterized in that: The top of lower shell (1) and the bottom of upper shell (2) are symmetrically provided with four sealing grooves (17) at equal intervals corresponding the position of main shaft slot (11), oil inlet groove (12) and oil outlet groove (13), and the inside of sealing groove (17) is provided with a sealing gasket (18).