High efficiency diesel engine valve bridge dismounting equipment and using method

Abstract

The application discloses a kind of high-efficiency diesel engine valve bridge dismounting equipment and use method, the dismounting equipment includes base, the top seat is set on the base by support, the axis of the top seat is movably inserted with movable column, the bottom end of the movable column is connected with the one end of bearing frame by rotating device one, the other end of the bearing frame is equipped with pre-assembly mechanism for assembling valve bridge spring, valve bridge conduit and valve bridge snap ring, the top seat is equipped with feeding mechanism and pressing mechanism with annular array interval.This application makes valve bridge spring, valve bridge conduit and valve bridge snap ring sequentially discharged into pre-assembly mechanism, then when pre-assembly mechanism corresponds pressing mechanism, valve bridge spring, valve bridge conduit and valve bridge snap ring in pre-assembly mechanism are loaded on valve bridge body clamped by clamping mechanism by pressing mechanism, this kind of mode not only saves time and effort, and the labor intensity is lower, and it is suitable for batch assembly of valve bridge, greatly improves assembly efficiency.

Description

Technical Field

[0001] This invention relates to the field of diesel engine component disassembly and assembly tools, specifically a high-efficiency diesel engine valve bridge disassembly and assembly equipment and its usage method. Background Technology

[0002] The valve bridge is a component of a diesel engine and an important part of the diesel engine's valve train system. It directly acts on the valves and is responsible for the valve opening and closing action.

[0003] Some existing diesel engine valve bridges are shown in the attached figure. Figure 7 As shown, the valve bridge includes a valve bridge body, a valve bridge guide, a valve bridge spring, and a valve bridge retaining ring. The outer diameter of the valve bridge body rod is smaller than the inner diameter of the valve bridge spring, and the outer diameter of the valve bridge spring is smaller than the outer diameter of the valve bridge guide flange. The inner diameter of the valve bridge retaining ring is matched with the retaining ring groove on the outer wall of the valve bridge body rod. During installation, the valve bridge spring and valve bridge guide are usually manually installed onto the valve bridge body rod. Then, the valve bridge spring is compressed by hand by pressing the flange of the valve bridge guide, exposing the retaining ring groove on the valve bridge body rod. The valve bridge retaining ring is then installed. This method of manually installing the valve bridge spring and valve bridge guide, pressing the valve bridge guide, and then assembling the valve bridge retaining ring is not only time-consuming and labor-intensive, but also requires a high level of manual labor. Furthermore, each cylinder has two valve bridges, and an eight-cylinder engine typically requires sixteen valve bridges to assemble. The above method is inefficient and unsuitable for batch assembly of valve bridges. Therefore, we propose a high-efficiency diesel engine valve bridge disassembly and assembly equipment and its usage method. Summary of the Invention

[0004] The purpose of this invention is to provide a high-efficiency diesel engine valve bridge disassembly and assembly device and its usage method to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency diesel engine valve bridge disassembly and assembly device, used to install valve bridge guides, valve bridge springs, and valve bridge retaining rings on the valve bridge body. The disassembly and assembly device includes a base, on which a top seat is provided via a support frame. A movable column is movably inserted into the axis of the top seat. The movable column is connected to the top seat via a telescopic device. The bottom end of the movable column is connected to one end of a support frame via a rotating device. The other end of the support frame is provided with a pre-assembly mechanism for assembling the valve bridge springs, valve bridge guides, and valve bridge retaining rings. The top seat is provided with a feeding mechanism and a pressing mechanism at an annular array spacing. The feeding mechanism has three sets, and the three sets of feeding mechanisms have the same structure. When the rotating device drives the support frame to rotate, the valve bridge springs, valve bridge guides, and valve bridge retaining rings are sequentially fed into the pre-assembly mechanism. The pressing mechanism is used to install the valve bridge springs, valve bridge guides, and valve bridge retaining rings in the pre-assembly mechanism onto the valve bridge body. The base is provided with a clamping mechanism for fixing the valve bridge body at the position corresponding to the pressing mechanism.

[0006] A further improvement is that the pre-assembly mechanism includes two sets of symmetrically arranged arc-shaped cylindrical components. Both sets of arc-shaped cylindrical components are slidably disposed in the inner cavity of the other end of the support frame. The two sets of arc-shaped cylindrical components fit together to form a cylinder with an inner diameter that matches the diameter of the valve bridge guide flange. The opposite sides of the two sets of arc-shaped cylindrical components are respectively connected to the side wall of the support frame through a telescopic device two. The telescopic device two is used to drive the two sets of arc-shaped cylindrical components to move closer to each other or further away from each other. The lower end of the inner wall of the opposite side of the two sets of arc-shaped cylindrical components is provided with an arc-shaped support block. The two sets of arc-shaped support blocks fit together to form a support ring with an inner diameter larger than the outer diameter of the valve bridge body rod and smaller than the outer diameter of the valve bridge spring. The top of the two sets of arc-shaped support blocks is integrally provided with an arc-shaped extension. The two sets of arc-shaped extensions fit together to form a limiting cylinder with an inner diameter that matches the outer diameter of the valve bridge spring.

[0007] A further improvement is that each of the two sets of arc-shaped cylindrical components has a vertical movable opening on its opposite side, and a threaded rod is rotatably installed inside the vertical movable opening. One end of the threaded rod movably passes through the top of the arc-shaped cylindrical component. The outer wall of the threaded rod is threaded with a mounting block that can slide inside the vertical movable opening. An extension block for contacting the valve bridge guide flange is inserted on the mounting block. A return spring is provided between the extension block and the mounting block. A permanent magnet is provided at the outer end of the extension block, and an electromagnetic block is provided at the outer end of the mounting block. When the electromagnetic block is energized, it attracts the permanent magnet and drives the extension block to move inward toward the arc-shaped cylindrical component.

[0008] A further improvement is that the feeding mechanism includes a support block on the top seat, a second rotating device on the support block, a top ring at the output end of the second rotating device, a number of hollow material cylinders arranged in a circular array on the top ring, a coaxial bottom ring below the top ring, the bottom ring being attached to and fixed to the bottom of the material cylinder on the support block, an intermediate material cylinder corresponding to the cylinder body inserted on the support block, the intermediate material cylinder penetrating the top seat, and a port on the bottom ring for connecting a material cylinder to the intermediate material cylinder;

[0009] The inner diameters of the feeding cylinder, the inlet, and the intermediate cylinder in the three feeding mechanisms are respectively adapted to the outer diameters of the valve bridge guide flange, the valve bridge spring, and the valve bridge retaining ring.

[0010] A further improvement is that the pressing mechanism includes a frame on the top seat, and the inner wall of the top of the frame is connected to a mounting frame one via a telescopic device three. The mounting frame one is provided with a top pressure ring, and the bottom of the mounting frame one is connected to a mounting frame two via a telescopic device four. The mounting frame two is provided with a bottom pressure ring.

[0011] The outer diameters of the top and bottom pressure rings are both adapted to the inner diameter of the cylinder. The inner diameter of the top pressure ring is larger than the outer diameter of the valve bridge body rod and smaller than the outer diameter of the valve bridge retaining ring. The inner diameter of the bottom pressure ring is larger than the outer diameter of the valve bridge retaining ring and smaller than the diameter of the valve bridge guide flange.

[0012] A method for using a high-efficiency diesel engine valve bridge disassembly and assembly device includes the following steps:

[0013] S1: When in use, valve bridge guide tube, valve bridge spring and valve bridge retaining ring are respectively installed in the three feeding mechanisms, and the valve bridge body to be assembled is fixed on the base by the clamping mechanism.

[0014] S2: The rotating device drives the support frame to rotate, so that the pre-assembly mechanism is located below the three feeding mechanisms in sequence, thereby allowing the valve bridge spring, valve bridge guide tube and valve bridge retaining ring to enter the pre-assembly mechanism in sequence.

[0015] S3: When the pre-assembly mechanism is located in the pressure mechanism, the pre-assembly mechanism is driven down to the designated position by the telescopic device, and then the valve bridge spring, valve bridge guide tube and valve bridge retaining ring are installed on the valve bridge body by the pressure mechanism.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] When the pre-assembly mechanism rotates, it can sequentially correspond to three sets of feeding mechanisms, so that the valve bridge spring, valve bridge guide tube, and valve bridge retaining ring are sequentially fed into the pre-assembly mechanism. Then, when the pre-assembly mechanism corresponds to the pressing mechanism, the pressing mechanism loads the valve bridge spring, valve bridge guide tube, and valve bridge retaining ring in the pre-assembly mechanism into the valve bridge body held by the clamping mechanism. This method is not only time-saving and labor-saving, but also requires less manual labor and is suitable for batch assembly of valve bridges, greatly improving assembly efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the pre-assembly mechanism structure in this invention;

[0020] Figure 3 For the present invention Figure 2 Another perspective structural diagram;

[0021] Figure 4 This is a cross-sectional view of the pre-assembled mechanism structure in this invention;

[0022] Figure 5 This is a schematic diagram of the feeding mechanism in this invention;

[0023] Figure 6 This is a schematic diagram of the pressing mechanism in this invention;

[0024] Figure 7 This is a schematic diagram of an existing diesel engine valve bridge structure.

[0025] In the diagram: 1. Base; 2. Support frame; 3. Clamping mechanism; 4. Top seat; 5. Movable column; 6. Telescopic device one; 7. Rotating device one; 8. Bearing frame; 9. Pre-assembly mechanism; 91. Arc-shaped cylinder component; 92. Telescopic device two; 93. Arc-shaped support block; 93. Arc-shaped extension; 94. Threaded rod; 95. Mounting block; 96. Extension block; 97. Electromagnetic block; 10. Feeding mechanism; 101. Bearing block; 102. Bottom ring; 103. Intermediate material cylinder; 104. Rotating device two; 105. Material holding cylinder; 106. Top ring; 11. Pressing mechanism; 111. Frame; 112. Telescopic device three; 113. Top pressure ring; 114. Bottom pressure ring; 115. Telescopic device four; 12. Valve bridge body; 13. Valve bridge guide tube; 14. Valve bridge spring; 15. Valve bridge retaining ring. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Example 1

[0028] Please see the appendix Figure 1

[0029] A high-efficiency diesel engine valve bridge disassembly and assembly device is used to install valve bridge guide 13, valve bridge spring 14, and valve bridge retaining ring 15 on the valve bridge body 12, such as... Figure 7 The diagram shows an existing diesel engine valve bridge. The valve bridge body 12, valve bridge guide 13, valve bridge spring 14 and valve bridge retaining ring 15 are widely used in the field, for example, as disclosed in publication number CN216803312U, and will not be described in detail here.

[0030] The disassembly and assembly equipment includes a base 1, on which a top seat 4 is mounted via a support frame 2. A movable column 5 is movably inserted into the axis of the top seat 4. The movable column 5 is connected to the top seat 4 via a telescopic device 6. The bottom end of the movable column 5 is connected to one end of a support frame 8 via a rotating device 7. The telescopic device 6 is, for example, a hydraulic telescopic device, and the rotating device 7 is, for example, a motor and a reducer. The other end of the support frame 8 is provided with a pre-assembly mechanism 9 for assembling the valve bridge spring 14, the valve bridge guide 13, and the valve bridge retaining ring 15. The pre-assembly mechanism 9 allows the valve bridge spring 14, the valve bridge guide 13, and the valve bridge retaining ring 15 to be pre-assembled for subsequent assembly onto the valve bridge body 12. A feeding mechanism 10 and a pressing mechanism 11 are arranged in a circular array on the top seat 4. The feeding mechanism 10 has three sets, and the three sets of feeding mechanisms 10 have the same structure. They are used to feed the valve bridge spring 14, valve bridge guide tube 13 and valve bridge retaining ring 15 into the pre-assembly mechanism 9 in sequence when the rotating device 17 drives the bearing frame 8 to rotate. That is, the valve bridge spring 14 is located below the inner cavity of the pre-assembly mechanism 9, the valve bridge guide tube 13 is located above the valve bridge spring 14, and the valve bridge retaining ring 15 is located above the valve bridge guide tube 13. The pressing mechanism 11 is used to install the valve bridge spring 14, valve bridge guide tube 13 and valve bridge retaining ring 15 in the pre-assembly mechanism 9 onto the valve bridge body 12. The base 1 is provided with a clamping mechanism 3 for fixing the valve bridge body 12 at the position corresponding to the pressing mechanism 11. The clamping mechanism 3 can be a clamp or other widely used fixture in the art, which will not be described in detail here.

[0031] Please see the appendix Figure 2 -Appendix Figure 4

[0032] Preferably, the pre-assembly mechanism 9 of this embodiment includes two sets of symmetrically arranged arc-shaped cylindrical components 91. Both sets of arc-shaped cylindrical components 91 are slidably disposed within the inner cavity of the other end of the support frame 8. The two sets of arc-shaped cylindrical components 91 fit together to form a cylinder with an inner diameter adapted to the flange diameter of the valve bridge guide 13, allowing the valve bridge guide 13, valve bridge spring 14, and valve bridge retaining ring 15 to enter the cylinder, and also allowing the rod of the valve bridge body 12 to be inserted into the cylinder from bottom to top. The opposite sides of the two sets of arc-shaped cylindrical components 91 are respectively connected to the side wall of the support frame 8 via a second telescopic device 92. The second telescopic device 92 is used to drive the two sets of arc-shaped cylindrical components 91 to move closer to each other or further away from each other. The second telescopic device 92 is, for example, an electric telescopic rod. After the valve bridge spring 14, valve bridge guide 13, and valve bridge retaining ring 15 are installed on the valve bridge body 12, the two sets of arc-shaped cylindrical components are driven by the second telescopic device 92. The two sets of arc-shaped cylindrical components 91 are opened apart to disengage the valve bridge spring 14, valve bridge guide 13, and valve bridge retaining ring 15 for assembly of the next valve bridge body 12. The lower end of the inner wall of the two sets of arc-shaped cylindrical components 91 on opposite sides is provided with arc-shaped support blocks 93. The two sets of arc-shaped support blocks 93 fit together to form a support ring with an inner diameter larger than the outer diameter of the valve bridge body 12 rod (i.e., D3) and smaller than the outer diameter of the valve bridge spring 14. The support ring is used for the rod of the valve bridge guide 13 to pass through and to support the valve bridge spring 14 entering the cylinder, so that the valve bridge spring 14 will not fall off the cylinder. The top of the two sets of arc-shaped support blocks 93 is integrally provided with an arc-shaped extension 931. The two sets of arc-shaped extensions 931 fit together to form a limiting cylinder with an inner diameter that matches the outer diameter of the valve bridge spring 14 (i.e., D4). The limiting cylinder limits the entry of the valve bridge spring 14, so that the rod of the valve bridge guide 13 passes through the support ring and accurately enters the valve bridge spring 14.

[0033] Preferably, in this embodiment, both sets of arc-shaped cylindrical components 91 have vertical movable openings on opposite sides, and a threaded rod 94 is rotatably installed inside the vertical movable opening. The bottom of the threaded rod 94 is connected to the inner wall of the bottom of the vertical movable opening via a bearing. One end of the threaded rod 94 movably penetrates the top of the arc-shaped cylindrical component 91. A drive disc for rotation by the user is provided at the end of the threaded rod 94 penetrating the top of the arc-shaped cylindrical component 91. A mounting block 95 that can slide within the vertical movable opening is threaded onto the outer wall of the threaded rod 94. Rotating the threaded rod 94 allows the mounting block 95 to move within the vertical movable opening. An extension block 96 for contacting the flange of the valve bridge guide 13 is inserted into the mounting block 95. A return spring (not shown in the figure) is provided between the extension block 96 and the mounting block 95. The outer end of the 6 is provided with a permanent magnet block, and the outer end of the mounting block 95 is provided with an electromagnetic block 97. When the electromagnetic block 97 is energized, it attracts the permanent magnet block, causing the extension block 96 to move inward to the inner side of the arc-shaped cylindrical component 91. When it is necessary to remove the valve bridge guide tube 13 from the valve bridge body 12, the two sets of arc-shaped cylindrical components 91 can be covered on the valve bridge body 12. By rotating the threaded rod 94, the position of the mounting block 95 is adjusted, and the electromagnetic block 97 is opened to attract the permanent magnet block, causing the extension block 96 to move inward to below the flange of the valve bridge guide tube 13. The telescopic device 6 drives the movable column 5 to make the pre-assembly mechanism 9 move upward. Then, the pre-assembly mechanism 9 drives the valve bridge guide tube 13 upward through the extension block 96, so that the valve bridge guide tube 13 and the valve bridge retaining ring 15 are separated from the valve bridge body 12. Then, the valve bridge spring 14 can also be removed at this time.

[0034] Please see the appendix Figure 5

[0035] Preferably, the feeding mechanism 10 in this embodiment includes a support block 101 mounted on the top seat 4. The support block 101 is equipped with a rotating device 104, which may be, for example, a motor and a reducer. The output end of the rotating device 104 is provided with a top ring 106. The top ring 106 has several sets of hollow material containers 105 arranged in a circular array. Below the top ring 106 is a coaxial bottom ring 102. The bottom ring 102 is attached to and fixed to the bottom of the material containers 105 on the support block 101. 01 is provided with an intermediate material cylinder 103 corresponding to the cylinder body. The intermediate material cylinder 103 passes through the top seat 4. The bottom ring 102 is provided with a port for connecting a material container 105 to the intermediate material cylinder 103. The rotating device 104 is used to drive the top ring 106 to rotate intermittently at a certain angle. After the top ring 106 rotates at a certain angle each time, a material container 105 corresponds to the intermediate material cylinder 103 and the port, so that the valve bridge guide tube 13, valve bridge spring 14 or valve bridge retaining ring 15 in the subsequent material container 105 can enter the cylinder body downward.

[0036] The inner diameters of the material container 105, the through-hole, and the intermediate material container 103 in the three sets of feeding mechanisms 10 are respectively adapted to the outer diameters of the valve bridge guide 13 flange, the valve bridge spring 14, and the valve bridge retaining ring 15. Figure 7 In this configuration, the outer diameter of the flange of the valve bridge guide 13 is D2, the outer diameter of the valve bridge spring 14 is D4, and the outer diameter of the valve bridge retaining ring 15 is D1. This configuration ensures that the valve bridge guide 13, the valve bridge spring 14, and the valve bridge retaining ring 15 are accurately fed into the pre-assembly mechanism 9 through the material container 105.

[0037] Please see the appendix Figure 6

[0038] Preferably, the pressing mechanism 11 in this embodiment includes a frame 111 disposed on the top seat 4. The top inner wall of the frame 111 is connected to a mounting frame 1 via a telescopic device 3 112. The mounting frame 1 is provided with a top pressure ring 113. The bottom of the mounting frame 1 is connected to a mounting frame 2 via a telescopic device 4 115. The mounting frame 2 is provided with a bottom pressure ring 114. The telescopic device 3 112 and the telescopic device 4 115 are, for example, electric telescopic rods.

[0039] The outer diameters of the top pressure ring 113 and the bottom pressure ring 114 are both adapted to the inner diameter of the cylinder so that the top pressure ring 113 and the bottom pressure ring 114 can enter the pre-assembly mechanism 9. The inner diameter of the top pressure ring 113 is larger than the outer diameter of the valve bridge body 12 rod (i.e., D3) and smaller than the outer diameter of the valve bridge retaining ring 15 (i.e., D1). The inner diameter of the bottom pressure ring 114 is larger than the outer diameter of the valve bridge retaining ring 15 and smaller than the flange diameter of the valve bridge guide tube 13 (i.e., D2).

[0040] In use, the telescopic device 6 drives the movable column 5 downward, thereby causing the pre-assembly mechanism 9 to be fitted onto the rod of the valve bridge body 12 held by the clamping mechanism 3. At this time, the valve bridge spring 14, valve bridge guide 13, and valve bridge retaining ring 15 located in the pre-assembly mechanism 9 are all fitted onto the rod of the valve bridge body 12. The telescopic device 4 115 drives the bottom pressure ring 114 downward, and the telescopic device 3 112 drives the top pressure ring 113 downward. The bottom pressure ring 114 then contacts the flange of the valve bridge guide 13 and drives the valve bridge... The bridge guide tube 13 descends until the retaining ring groove on the stem of the valve bridge body 12 is exposed, and then the valve bridge retaining ring 15 is engaged in the retaining ring groove. The valve bridge retaining ring 15 has a certain elasticity, and it can deform and engage in the retaining ring groove when corresponding to the retaining ring groove. This is existing technology and will not be described in detail here. Subsequently, the telescopic device three 112 and the telescopic device four 115 drive the top pressure ring 113 and the bottom pressure ring 114 to reset. Then, by the telescopic device two 92 driving the two sets of arc-shaped cylinder components 91 to move away from each other, they can be disengaged from the valve bridge body 12.

[0041] A method for using a high-efficiency diesel engine valve bridge disassembly and assembly device includes the following steps:

[0042] S1: In use, valve bridge guide tube 13, valve bridge spring 14 and valve bridge retaining ring 15 are respectively installed in the three feeding mechanisms 10, and the valve bridge body 12 to be assembled is fixed on the base 1 by the clamping mechanism 3.

[0043] S2: The rotating device 7 drives the support frame 8 to rotate, so that the pre-assembly mechanism 9 is located below the three feeding mechanisms 10 in sequence, thereby allowing the valve bridge spring 14, valve bridge guide tube 13 and valve bridge retaining ring 15 to enter the pre-assembly mechanism 9 in sequence.

[0044] S3: When the pre-assembly mechanism 9 is located in the pressing mechanism 11, the pre-assembly mechanism 9 is driven downward to the designated position by the telescopic device 6, and then the valve bridge spring 14, valve bridge guide tube 13 and valve bridge retaining ring 15 are installed on the valve bridge body 12 by the pressing mechanism 11.

[0045] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency diesel engine valve bridge disassembly and assembly device, used for installing a valve bridge guide (13), a valve bridge spring (14), and a valve bridge retaining ring (15) on a valve bridge body (12), the disassembly and assembly device comprising a base (1), wherein a top seat (4) is provided on the base (1) via a support frame (2), characterized in that: A movable column (5) is movably inserted into the axis of the top seat (4). The movable column (5) is connected to the top seat (4) via a telescopic device (6). The bottom end of the movable column (5) is connected to one end of the support frame (8) via a rotating device (7). The other end of the support frame (8) is provided with a pre-assembly mechanism (9) for assembling the valve bridge spring (14), valve bridge guide tube (13), and valve bridge retaining ring (15). The top seat (4) is provided with a feeding mechanism (10) and a pressing mechanism (11) arranged in a circular array. The feeding mechanism (10) is provided with three sets. The three sets of feeding mechanisms (10) have the same structure and are used to feed the valve bridge spring (14), valve bridge guide (13) and valve bridge retaining ring (15) into the pre-assembly mechanism (9) in sequence when the rotating device (7) drives the bearing frame (8) to rotate. The pressing mechanism (11) is used to install the valve bridge spring (14), valve bridge guide (13) and valve bridge retaining ring (15) in the pre-assembly mechanism (9) onto the valve bridge body (12). The base (1) is provided with a clamping mechanism (3) for fixing the valve bridge body (12) at the position corresponding to the pressing mechanism (11).

2. The disassembly and assembly equipment according to claim 1, characterized in that: The pre-assembly mechanism (9) includes two sets of symmetrically arranged arc-shaped cylindrical components (91). Both sets of arc-shaped cylindrical components (91) are slidably disposed in the inner cavity of the other end of the support frame (8). The two sets of arc-shaped cylindrical components (91) fit together to form a cylinder with an inner diameter that matches the flange diameter of the valve bridge guide (13). The opposite sides of the two sets of arc-shaped cylindrical components (91) are respectively connected to the side wall of the support frame (8) through a second telescopic device (92). The second telescopic device (92) is used to drive the two sets of arc-shaped cylindrical components (91) 91) Moving closer to each other or moving further away from each other, the lower end of the inner wall of the opposite side of the two sets of arc-shaped cylindrical components (91) is provided with arc-shaped support blocks (93), the two sets of arc-shaped support blocks (93) fit together to form a support ring with an inner diameter larger than the outer diameter of the valve bridge body (12) rod and smaller than the outer diameter of the valve bridge spring (14), the top of the two sets of arc-shaped support blocks (93) is provided with an arc-shaped extension (931), the two sets of arc-shaped extensions (931) fit together to form a limiting cylinder with an inner diameter that matches the outer diameter of the valve bridge spring (14).

3. The disassembly and assembly equipment according to claim 2, characterized in that: Both sets of arc-shaped cylindrical components (91) have vertical movable openings on opposite sides, and a threaded rod (94) is rotatably installed inside the vertical movable opening. One end of the threaded rod (94) movably passes through the top of the arc-shaped cylindrical component (91). The outer wall of the threaded rod (94) is threaded with a mounting block (95) that can slide inside the vertical movable opening. An extension block (96) for contacting the flange of the valve bridge guide (13) is inserted on the mounting block (95). A return spring is provided between the extension block (96) and the mounting block (95). A permanent magnet is provided at the outer end of the extension block (96), and an electromagnetic block (97) is provided at the outer end of the mounting block (95). When the electromagnetic block (97) is energized, it attracts the permanent magnet and drives the extension block (96) to move inward toward the arc-shaped cylindrical component (91).

4. The disassembly and assembly equipment according to claim 2, characterized in that: The feeding mechanism (10) includes a support block (101) on the top seat (4), a rotating device (104) on the support block (101), a top ring (106) at the output end of the rotating device (104), a number of hollow material cylinders (105) arranged in a ring array on the top ring (106), a coaxial bottom ring (102) below the top ring (106), the bottom ring (102) is attached to the bottom of the material cylinder (105) and fixed on the support block (101), an intermediate material cylinder (103) corresponding to the cylinder body is inserted on the support block (101), the intermediate material cylinder (103) passes through the top seat (4), and the bottom ring (102) has a through-hole for connecting a material cylinder (105) with the intermediate material cylinder (103); The inner diameters of the feeding cylinder (105), the inlet, and the intermediate cylinder (103) in the three feeding mechanisms (10) are respectively adapted to the outer diameters of the valve bridge guide pipe (13) flange, the valve bridge spring (14), and the valve bridge retaining ring (15).

5. The disassembly and assembly equipment according to claim 4, characterized in that: The pressing mechanism (11) includes a frame (111) located on the top seat (4). The inner wall of the top of the frame (111) is connected to a mounting frame one via a telescopic device three (112). The mounting frame one is provided with a top pressure ring (113). The bottom of the mounting frame one is connected to a mounting frame two via a telescopic device four (115). The mounting frame two is provided with a bottom pressure ring (114). The outer diameters of the top pressure ring (113) and the bottom pressure ring (114) are both adapted to the inner diameter of the cylinder. The inner diameter of the top pressure ring (113) is larger than the outer diameter of the valve bridge body (12) rod and smaller than the outer diameter of the valve bridge retaining ring (15). The inner diameter of the bottom pressure ring (114) is larger than the outer diameter of the valve bridge retaining ring (15) and smaller than the flange diameter of the valve bridge guide tube (13).

6. The method of using a high-efficiency diesel engine valve bridge disassembly and assembly device according to any one of claims 1-5, characterized in that: Includes the following steps: S1: When in use, valve bridge guide tube (13), valve bridge spring (14) and valve bridge retaining ring (15) are respectively installed in the three feeding mechanisms (10), and the valve bridge body (12) to be assembled is fixed on the base (1) by the clamping mechanism (3); S2: The rotating device (7) drives the support frame (8) to rotate, so that the pre-assembly mechanism (9) is located below the three feeding mechanisms (10) in sequence, and then the valve bridge spring (14), valve bridge guide (13) and valve bridge retaining ring (15) enter the pre-assembly mechanism (9) in sequence; S3: When the pre-assembly mechanism (9) is located in the pressure mechanism (11), the pre-assembly mechanism (9) is driven down to the designated position by the telescopic device (6), and then the valve bridge spring (14), valve bridge guide (13) and valve bridge retaining ring (15) are installed on the valve bridge body (12) by the pressure mechanism (11).

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