Hydraulic pump piston assembling mechanism
By introducing a double buffer spring and a micro cylinder drive arm structure into the hydraulic pump piston assembly mechanism, the problem of pressure loss caused by excessive clamping force in traditional assembly mechanisms is solved, achieving precise assembly and efficient operation.
Patent Information
- Application Number
- CN202423067412.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Traditional hydraulic pump piston assembly mechanisms are not conducive to buffering when clamping components, resulting in excessive assembly force and easy damage to the hydraulic pump.
A hydraulic pump piston assembly mechanism was designed, which adopts a double buffer spring and a micro cylinder drive arm structure. Through the cooperation of the buffer spring and the cylinder drive arm, the clamping force is buffered and the positioning is precise, reducing pressure loss during the assembly process.
This effectively reduces the pressure loss of the hydraulic pump during piston assembly, improves assembly accuracy and convenience, and ensures the stability and efficiency of the assembly process.
Smart Images

Figure CN223519066U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hydraulic pressure, concretely is a kind of hydraulic pump piston assembly mechanism. BACKGROUND
[0002] As the core element in hydraulic system, the performance of hydraulic pump directly affects the operation efficiency and stability of the whole system, and as one of the key components, the assembly precision and efficiency of hydraulic pump piston are crucial to improve the overall performance of hydraulic pump, traditional hydraulic pump piston assembly is mostly adopted manually or semi-automatically, there are problems such as low assembly efficiency, difficult to control precision, high labor intensity, in order to improve the problems, therefore, the corresponding hydraulic pump piston assembly mechanism needs to be used.
[0003] With reference to the announcement No. CN212946372U, a kind of hydraulic pump piston assembly mechanism, it includes installation strip, stabilizer and the hook rod welded in the bottom end of installation strip, the stabilizer one end is installed on hook rod, the stabilizer bottom is welded with claw, the claw is circular arc boss, and rectangular slot is set in inner wall, pre-tightening mechanism is installed on the installation strip, the pre-tightening mechanism includes pre-tightening gear and pre-tightening rack, and the both ends of installation strip are staggered contact by pre-tightening mechanism, compared with prior art, this assembly mechanism can assist worker to complete the positioning of piston group, and the relative position of hydraulic cylinder and piston is directly positioned by the structure of the utility model, assembly is completed, it is not necessary to install and position by worker to go into the inside of hydraulic pump, avoid that arm is scratched by metal edge, according to the above, the assembly mechanism can be better applied, but it is usually inconvenient to buffer the assembly clamping part, so that the piston component assembly process is prone to cause pressure loss of hydraulic pump due to high assembly strength, which often troubles users. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of hydraulic pump piston assembly mechanism, to solve the problem that assembly mechanism can be better applied in the above background art, but it is usually inconvenient to buffer the assembly clamping part, so that the piston component assembly process is prone to cause pressure loss of hydraulic pump due to high assembly strength.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: A hydraulic pump piston assembly mechanism, including the base, one side of the top of base is equipped with the stand, the surface of stand is equipped with the panel, the upper end of panel surface is equipped with the protection box, the upper end of panel surface on the inner side of protection box is installed with lifting drive piece through the support, the surface of panel below lifting drive piece is equipped with the limit rail, the bottom of lifting drive piece is installed with second L type seat body, the inner wall of second L type seat body is connected with the surface of limit rail and slides, the surface of first L type seat body is installed with the clamping mechanism through the support, the inner wall of protection box is equipped with the locating seat, both sides of locating seat inside are equipped with the limit cylinder, the limit cylinder is movably connected with T type rod, the top of T type rod extends to the outside of limit cylinder, the bottom of T type rod extends to the outside of limit cylinder and is connected with the bottom of second L type seat body, the outer wall of T type rod above limit cylinder is wound with second buffer spring, both sides of first L type seat body bottom are equipped with the guide rod, the top of guide rod penetrates to second L type seat body, the outer wall of guide rod below second L type seat body is wound with first buffer spring.
[0006] Preferably, the bottom of the stand is provided with a guide rail at the top of one side, and a component seat is slidably installed on the top of the guide rail.
[0007] Preferably, the bottom of the stand is provided with a guide rail at the top of one side, and a component seat is slidably installed on the top of the guide rail.
[0008] Preferably, the bottom of the stand is provided with a guide rail at the top of one side, and a component seat is slidably installed on the top of the guide rail.
[0009] Preferably, the bottom of the stand is provided with a guide rail at the top of one side, and a component seat is slidably installed on the top of the guide rail.
[0010] Preferably, the bottom of the stand is provided with a guide rail at the top of one side, and a component seat is slidably installed on the top of the guide rail.
[0011] Preferably, the bottom of the component seat under the driving arm is provided with a support seat, the outer wall on both sides of the driving arm is rotationally connected with a limiting arm, the bottom end of the limiting arm is rotationally connected with the top end of the support seat, and the limiting arm is arranged to movably arrange the driving arm.
[0012] Compared with the prior art, the hydraulic pump piston assembly mechanism not only reduces the pressure loss of the hydraulic pump caused by the assembly of the piston part in the hydraulic pump, but also guarantees the assembly precision of the hydraulic pump during use of the assembly mechanism, and improves the convenience during use of the assembly mechanism.
[0013] (1) The piston part clamped by the clamping mechanism is pressed down in the to-be-assembled area of the hydraulic pump, if the pressing degree of the piston part is high, the first buffer spring is in a contraction state, so that the first L-shaped seat body drives the guide rod to slide upward at the bottom of the second L-shaped seat body, and the second L-shaped seat body can drive the T-shaped rod to slide in the limiting cylinder, so that the second buffer spring is in a corresponding contraction state, that is, the pressing degree of the piston part clamped by the clamping mechanism is buffered in double, thereby reducing the pressure loss of the hydraulic pump caused by the assembly of the piston part in the hydraulic pump.
[0014] (2) One end of the driving arm is driven by the micro-cylinder to move upward, so that the driving arm rotates on the inner wall of the limiting arm, so that the other end of the chuck is rotated downward and limits the two end pipes of the hydraulic pump arranged on the inner side of the component groove, so as to reduce the displacement phenomenon during the assembly of the hydraulic pump, thereby guaranteeing the assembly precision of the hydraulic pump during use of the assembly mechanism.
[0015] (3) The component seat is driven by the telescopic driving piece to slide on the top of the guide rail, so as to smoothly move the hydraulic pump arranged on the inner side of the component groove to the lower side of the clamping mechanism, and then the piston part is easily assembled on the hydraulic pump, thereby improving the convenience during use of the assembly mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 It is a three-dimensional structure schematic diagram of the utility model Figure 1 It is an enlarged structure schematic diagram of A in the utility model;
[0018] Figure 3 It is a front view structure schematic diagram of the utility model panel;
[0019] Figure 4 It is an enlarged structure schematic diagram of B in the utility model. Figure 3
[0020] In the figure: 1, base; 2, stand; 3, protection box; 4, lifting driving part; 5, first L-shaped seat body; 6, clamping mechanism; 7, telescopic driving part; 8, placing seat; 9, guide rail; 10, placing table; 11, placing groove; 12, micro air cylinder; 13, support seat; 14, driving arm; 15, limiting arm; 16, chuck; 17, panel; 18, limiting rail; 19, second L-shaped seat body; 20, guide rod; 21, first buffer spring; 22, positioning seat; 23, limiting cylinder; 24, second buffer spring; 25, T-shaped rod. DETAILED DESCRIPTION
[0021] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-4 An embodiment provided by the utility model: a hydraulic pump piston assembling mechanism, comprising a base 1, one side of the top end of the base 1 is provided with a stand 2, the top end of the base 1 on one side of the stand 2 is provided with a guide rail 9, and the top of the guide rail 9 is slidably installed with a placing seat 8;
[0023] When in use, the guide rail 9 is arranged to limit the movement amplitude of the placing seat 8;
[0024] The top end of the base 1 on the side, away from the placing seat 8, of the stand 2 is installed with a telescopic driving part 7 through a support, and one end of the telescopic driving part 7 is connected with the outer wall of the placing seat 8;
[0025] When in use, the telescopic driving part 7 is arranged to drive the placing seat 8 to translate;
[0026] The top end of the placing seat 8 is provided with a placing table 10 at the center position, the inside of the placing table 10 is provided with a placing groove 11 at the center position, and the top end of the placing groove 11 extends to the outside of the placing table 10;
[0027] When in use, the placing groove 11 is arranged to place the lower end of the hydraulic pump;
[0028] The bottom of the placing seat 8 is installed with a micro air cylinder 12 on both sides, and the top end of the micro air cylinder 12 is rotatably installed with a driving arm 14;
[0029] When in use, the micro air cylinder 12 is arranged to drive the driving arm 14 to rotate correspondingly;
[0030] One end, away from the micro air cylinder 12, of the driving arm 14 is rotatably connected with a chuck 16, and the chuck 16 is arranged in a U-shaped structure;
[0031] When in use, the two ends of the hydraulic pump are clamped and limited by the clamping head 16;
[0032] The bottom of the base 8 under the driving arm 14 is provided with a supporting seat 13, and the outer wall on both sides of the driving arm 14 is rotatably connected with a limiting arm 15, and the bottom end of the limiting arm 15 is rotatably connected with the top end of the supporting seat 13.
[0033] When in use, the driving arm 14 is movably arranged by the limiting arm 15.
[0034] The surface of the stand 2 is provided with a panel 17, the upper end of the surface of the panel 17 is provided with a protective box 3, the inner surface of the panel 17 at the upper end of the protective box 3 is provided with a lifting driving element 4 through a support, the surface of the panel 17 below the lifting driving element 4 is provided with a limiting rail 18, the bottom end of the lifting driving element 4 is provided with a second L-shaped seat body 19, and the inner wall of the second L-shaped seat body 19 is slidably connected with the surface of the limiting rail 18.
[0035] The limiting rail 18 below the second L-shaped seat body 19 is slidably connected with a first L-shaped seat body 5, the surface of the first L-shaped seat body 5 is provided with a clamping mechanism 6 through a support, the inner wall of the protective box 3 is provided with a positioning seat 22, both sides of the positioning seat 22 are provided with a limiting cylinder 23, the limiting cylinder 23 is movably connected with a T-shaped rod 25, the top end of the T-shaped rod 25 extends to the outside of the limiting cylinder 23, and the bottom end of the T-shaped rod 25 extends to the outside of the limiting cylinder 23 and is connected with the bottom of the second L-shaped seat body 19.
[0036] The outer wall of the T-shaped rod 25 above the limiting cylinder 23 is wound with a second buffer spring 24, both sides of the bottom of the first L-shaped seat body 5 are provided with a guide rod 20, the top end of the guide rod 20 penetrates through the second L-shaped seat body 19, and the outer wall of the guide rod 20 below the second L-shaped seat body 19 is wound with a first buffer spring 21.
[0037] The hydraulic pump is first arranged in the inner side of the component groove 11, and the piston component to be assembled is clamped by the clamping mechanism 6. The component seat 8 is driven by the telescopic driving part 7 to slide on the top of the guide rail 9, so as to stably move the hydraulic pump arranged in the inner side of the component groove 11 to the lower side of the clamping mechanism 6, so as to facilitate the subsequent assembly of the piston component on the hydraulic pump. Then, one end of the driving arm 14 is driven upward by the micro air cylinder 12, so that the driving arm 14 rotates on the inner wall of the limiting arm 15, so that the other end of the chuck 16 rotates downward and limits the two end ports of the hydraulic pump arranged in the inner side of the component groove 11. The phenomenon of displacement during the assembly of the hydraulic pump can be effectively reduced. Finally, the second L-shaped seat body 19 is driven to slide downward on the surface of the limiting rail 18 by the setting of the lifting driving part 4, and the piston component clamped by the clamping mechanism 6 is stably moved downward by the first L-shaped seat body 5, so as to assemble the piston component and the hydraulic pump. In this process, if the downward pressure of the piston component is higher, the first buffer spring 21 is in a contraction state, so that the first L-shaped seat body 5 drives the guide rod 20 to slide upward on the bottom of the second L-shaped seat body 19. At the same time, the second L-shaped seat body 19 can drive the T-shaped rod 25 to slide in the inner side of the limiting cylinder 23, so that the second buffer spring 24 is in a corresponding contraction state. The downward pressure of the piston component clamped by the clamping mechanism 6 can be buffered in a double mode, so as to reduce the pressure damage of the piston component to the hydraulic pump, thereby completing the use of the assembly mechanism.
Claims
1. A hydraulic pump piston assembly mechanism characterized by: The utility model relates to a kind of pedestal (1), the pedestal (1) top end one side is equipped with stand (2), the surface of the stand (2) is equipped with panel (17), the upper end of the surface of the panel (17) inside the protective box (3) is equipped with lifting drive (4) by support, the surface of the panel (17) below the lifting drive (4) is equipped with limit rail (18), the bottom of the lifting drive (4) is equipped with second L-shaped seat body (19), the inner wall of the second L-shaped seat body (19) is slidably connected with the surface of limit rail (18), the surface of the limit rail (18) below the second L-shaped seat body (19) is slidably connected with first L-shaped seat body (5), the surface of the first L-shaped seat body (5) is equipped with clamping mechanism (6) by support, the inner wall of the protective box (3) is equipped with positioning seat (22), the both sides of the positioning seat (22) inside are equipped with limit cylinder (23), the T-shaped rod (25) is movably connected in the limit cylinder (23), the top of the T-shaped rod (25) extends to the outside of limit cylinder (23), the bottom of the T-shaped rod (25) extends to the outside of limit cylinder (23) and is connected with the bottom of second L-shaped seat body (19), the outer wall of the T-shaped rod (25) above the limit cylinder (23) is wound with second buffer spring (24), the both sides of the bottom of the first L-shaped seat body (5) are equipped with guide rod (20), the top of the guide rod (20) penetrates second L-shaped seat body (19), the outer wall of the guide rod (20) below the second L-shaped seat body (19) is wound with first buffer spring (21).
2. A hydraulic pump piston assembly mechanism according to claim 1, wherein: The top end of the pedestal (1) on one side of the stand (2) is provided with a guide rail (9), and the top of the guide rail (9) is slidably provided with a component seat (8).
3. A hydraulic pump piston assembly mechanism according to claim 2, wherein: The top end of the pedestal (1) on the side of the stand (2) away from the component seat (8) is provided with a telescopic drive (7) by a support.
4. A hydraulic pump piston assembly mechanism according to claim 2, wherein: The top end of the component seat (8) is provided with a component table (10) at a central position, and the inside of the component table (10) is provided with a component groove (11) at a central position.
5. A hydraulic pump piston assembly mechanism according to claim 2, wherein: The top end of the component seat (8) is provided with a component table (10) at a central position, and the inside of the component table (10) is provided with a component groove (11) at a central position.
6. A hydraulic pump piston assembly mechanism according to claim 5, wherein: The top end of the component seat (8) is provided with a component table (10) at a central position, and the inside of the component table (10) is provided with a component groove (11) at a central position.
7. A hydraulic pump piston assembly mechanism according to claim 5, wherein: The bottom of the component seat (8) is provided with a support seat (13) below the drive arm (14), and the outer wall of the drive arm (14) on both sides is rotatably connected with a limiting arm (15), and the bottom of the limiting arm (15) is rotatably connected with the top of the support seat (13).
Citation Information
Patent Citations
Hydraulic pump piston assembling mechanism
CN212946372U