Hydraulic actuator convenient to overhaul

Abstract

The utility model discloses a hydraulic actuator convenient to overhaul. The hydraulic actuator convenient to overhaul comprises a hydraulic actuator body and a disassembly and assembly mechanism. A shell is arranged on a main machine of the hydraulic actuator body, the dismounting and mounting mechanism comprises a block body fixedly connected to the top of the shell and a supporting plate fixedly connected to the outer side of the hydraulic actuator body, a through groove allowing the supporting plate to be inserted therein is formed in the block body, and through holes are symmetrically formed in the inner side wall of the through groove; inserting blocks used for being inserted into the through holes are symmetrically and movably connected into the supporting plate. According to the hydraulic actuator convenient to overhaul, the disassembly and assembly mechanism is arranged on the hydraulic actuator body and the shell, so that the two-way lead screw can drive the two sliding blocks to move close to each other after rotating anticlockwise, then the push rod can extrude the insertion blocks out of the through holes under the action of the sliding blocks, and then the block bodies can be conveniently taken down from the supporting plate; through the arrangement, the shell is more convenient to disassemble and assemble on the hydraulic actuator, so that the working efficiency during maintenance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic actuators, in particular to a hydraulic actuator which is easy to repair. Background Art

[0002] As we all know, a hydraulic actuator is a device that uses liquid pressure to convert and control power. It is composed of a hydraulic cylinder, oil pipe, actuator, etc. In the mechanical field, hydraulic actuators can be used for transmission, positioning, clamping, holding force and other functions.

[0003] When repairing a hydraulic actuator, it is necessary to first remove the housing fixed to the main machine, and then repair the components inside the hydraulic actuator; however, the prior art requires using a wrench to sequentially tighten multiple bolts when removing the housing, which is time-consuming and labor-intensive, and is not conducive to improving the work efficiency during repair; therefore, we propose a hydraulic actuator that is easy to repair. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic actuator which is easy to repair, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic actuator that is easy to repair, comprising: a hydraulic actuator body and a disassembly and assembly mechanism;

[0006] The main engine of the hydraulic actuator body is provided with a shell, and the disassembly and assembly mechanism includes a block fixedly connected to the top of the shell and a support plate fixedly connected to the outer side of the hydraulic actuator body, a through groove for inserting the support plate is provided inside the block, and through holes are symmetrically provided on the inner side wall of the through groove, and an insert block for inserting the through hole is symmetrically movably connected inside the support plate, a plate body is fixedly connected to the outer side of the block, a bidirectional screw rod is rotatably connected inside the plate body, and sliders are threadedly sleeved on two opposite threads of the bidirectional screw rod, the interior of the slider is movably connected to the block, a push rod is fixedly connected to the inner side of the slider, a bracket is fixedly connected to one side of the plate body, a rotating shaft is rotatably connected inside the bracket, one end of the rotating shaft is fixedly connected to a driving bevel gear, and the other end of the rotating shaft is fixedly connected to a hand wheel, and the outer side of the driving bevel gear is meshedly connected to a driven bevel gear, and the driven bevel gear is fixedly sleeved on the bidirectional screw rod, and a torsion spring is sleeved on the rotating shaft, and the two ends of the torsion spring are respectively fixedly connected to the hand wheel and the bracket.

[0007] By adopting the above technical solution, when it is necessary to install the shell on the hydraulic actuator body, the block can be first mounted on the support plate, so that the support can pass through the through groove, and the plug block can be inserted into the through hole under the action of elastic force to position the block, so that the shell can be fixed on the hydraulic actuator; in addition, when it is necessary to disassemble the shell, the rotating shaft can be driven to rotate by the hand wheel, so that the driven bevel gear can drive the two-way screw rod to rotate counterclockwise under the action of the active bevel gear, so that the two sliders can move closer to each other, so that the push rod can squeeze the plug block out of the through hole under the action of the slider, so that the block loses its fixing force on the support plate, and the shell can be quickly removed from the hydraulic actuator body.

[0008] Preferably, the outer side of the hand wheel is evenly and fixedly connected with equidistantly distributed protrusions.

[0009] By adopting the above technical solution, the stability when using the hand wheel can be improved.

[0010] Preferably, a rod body is slidably connected inside the sliding block, and one end of the rod body is fixedly connected to the block body.

[0011] By adopting the above technical solution, the two sliders can remain stable during the movement.

[0012] Preferably, one end of the rod body away from the block body is fixedly connected with a stopper.

[0013] By adopting the above technical solution, it is possible to prevent the slider from detaching from the rod body.

[0014] Preferably, a handle is fixedly connected to the outer side of the shell.

[0015] By adopting the above technical solution, it is possible to pull the shell after rotating the bidirectional screw rod counterclockwise, thereby further facilitating the disassembly of the shell.

[0016] Preferably, two limit blocks are symmetrically fixedly connected to the bottom of the shell, and support rods are movably embedded in the two limit blocks, and one end of the support rod is fixedly connected to the hydraulic actuator body.

[0017] By adopting the above technical solution, the limiting block can be driven to be sleeved on the support rod when the shell is installed, thereby improving the stability of the shell after installation.

[0018] Preferably, a slide groove is symmetrically provided inside the support plate, an inner side wall of the slide groove is fixedly connected with a spring, one end of the spring is fixedly connected to an insert block, and the insert block is slidably connected to the inner side wall of the slide groove.

[0019] By adopting the above technical solution, when the support plate is inserted into the through groove, the insert block can be squeezed by the inner wall of the through groove, and when the insert block moves to the position of the through hole, it can be inserted into the through hole under the resetting action of the spring, so that the block is positioned on the support plate, and at the same time, when the push rod is inserted into the through hole, the insert block can be squeezed into the slide groove, thereby facilitating the removal of the block from the support plate.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] The hydraulic actuator which is easy to maintain is provided with a disassembly and assembly mechanism on the hydraulic actuator body and the shell, so that the two-way screw rod can drive the two sliders to move closer to each other after rotating counterclockwise, so that the push rod can squeeze the plug block out of the through hole under the action of the slider, thereby facilitating the removal of the block from the support plate; through the above arrangement, the shell is more convenient to disassemble and assemble on the hydraulic actuator, thereby improving the work efficiency during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the hydraulic actuator which is easy to repair according to the utility model;

[0023] Figure 2 It is an enlarged schematic diagram of area A of the structural schematic diagram of the hydraulic actuator that is easy to repair of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the driving bevel gear and the driven bevel gear in the hydraulic actuator which is easy to repair of the utility model;

[0025] Figure 4 The utility model is a schematic diagram of the structure of the spring and the insert block in the hydraulic actuator which is easy to repair.

[0026] In the figure: 1. hydraulic actuator body; 10. housing; 11. handle; 12. support rod; 13. limit block; 2. disassembly and assembly mechanism; 20. block; 21. support plate; 22. slide groove; 23. insert block; 24. spring; 25. through groove; 26. plate body; 27. bidirectional screw rod; 28. rotating shaft; 29. ​​driven bevel gear; 201. driving bevel gear; 202. torsion spring; 203. stop block; 204. handwheel; 205. bump; 206. bracket; 207. slider; 208. rod body; 209. push rod; 210. through hole. 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-Figure 4 , the utility model provides a technical solution: a hydraulic actuator that is easy to repair, comprising: a hydraulic actuator body 1 and a disassembly and assembly mechanism 2;

[0029] First, when the housing 10 needs to be installed on the hydraulic actuator body 1, the block 20 can be mounted on the support plate 21 first, so that the support can pass through the through groove 25, and the plug block 23 can be inserted into the through hole 210 under the action of elastic force to position the block 20, so that the housing 10 can be fixed on the hydraulic actuator; and when the housing 10 needs to be disassembled, the rotating shaft 28 can be driven to rotate by the hand wheel 204, so that the driven bevel gear 29 can be driven by the driving bevel gear 201. The movable bidirectional screw rod 27 rotates counterclockwise, so that the two sliders 207 can move closer to each other, so that the push rod 209 can squeeze the plug block 23 out of the through hole 210 under the action of the slider 207, so that the block 20 loses the fixing force on the support plate 21, and the housing 10 can be quickly removed from the hydraulic actuator body 1; the main body of the hydraulic actuator body 1 is provided with a housing 10, and the disassembly mechanism 2 includes a block 20 fixedly connected to the top of the housing 10 and a The support plate 21 on the outside, the block 20 is provided with a through slot 25 for inserting the support plate 21, the inner wall of the through slot 25 is symmetrically provided with a through hole 210, the support plate 21 is symmetrically movably connected with an insert block 23 for inserting the through hole 210, the block 20 is fixedly connected with a plate 26 on the outside, the plate 26 is rotatably connected with a bidirectional screw rod 27 inside, the two opposite threads of the bidirectional screw rod 27 are threaded with a slider 207, the inside of the slider 207 is movably connected with the block 20, and the inside of the slider 207 is movably connected with the block 20. A push rod 209 is fixedly connected to one side of the plate body 26, a bracket 206 is fixedly connected to one side of the plate body 26, a rotating shaft 28 is rotatably connected inside the bracket 206, one end of the rotating shaft 28 is fixedly connected to the active bevel gear 201, the other end of the rotating shaft 28 is fixedly connected to the handwheel 204, the outer side of the active bevel gear 201 is meshedly connected to the driven bevel gear 29, the driven bevel gear 29 is fixedly sleeved on the bidirectional screw rod 27, a torsion spring 202 is sleeved on the rotating shaft 28, and the two ends of the torsion spring 202 are respectively fixedly connected to the handwheel 204 and the bracket 206;

[0030] Secondly, in order to improve the stability when using the hand wheel 204, the outer side of the hand wheel 204 is evenly fixedly connected with equidistantly distributed protrusions 205; in order to enable the two sliders 207 to remain stable during the movement, the inner side of the slider 207 is slidably connected with a rod body 208, and one end of the rod body 208 is fixedly connected to the block 20; in order to prevent the slider 207 from detaching from the rod body 208, the end of the rod body 208 away from the block 20 is fixedly connected with a stopper 203; in order to facilitate the pulling of the shell 10 after the counterclockwise rotation of the two-way screw rod 27, thereby further facilitating the disassembly of the shell 10, the outer side of the shell 10 is fixedly connected with a handle 11; in order to drive the limit block 13 to be sleeved on the support rod 12 when the shell 10 is installed, thereby improving the stability of the shell 10 after installation, the bottom of the shell 10 is symmetrically fixedly connected with a number of There are two limit blocks 13, and the interiors of the two limit blocks 13 are movably embedded with support rods 12, and one end of the support rod 12 is fixedly connected to the hydraulic actuator body 1; when the support plate 21 is inserted into the through groove 25, the plug block 23 can be squeezed by the inner wall of the through groove 25, and when the plug block 23 moves to the position of the through hole 210, it can be inserted into the through hole 210 under the reset action of the spring 24, so that the block 20 is positioned on the support plate 21, and at the same time, when the push rod 209 is inserted into the through hole 210, the plug block 23 can be squeezed into the slide groove 22, so as to facilitate the removal of the block 20 from the support plate 21, the interior of the support plate 21 is symmetrically provided with slide grooves 22, and the inner side wall of the slide groove 22 is fixedly connected with a spring 24, one end of the spring 24 is fixedly connected to the plug block 23, and the plug block 23 is slidably connected to the inner side wall of the slide groove 22.

[0031] It should be noted that the model of the hydraulic actuator body 1 is SKC62.

[0032] It should be noted that: in order for the support plate 21 to pass through the slot smoothly during installation, under normal circumstances, the rotating shaft 28 can drive the bidirectional screw rod 27 to maintain clockwise rotation under the limiting action of the torsion spring 202, so that the two push rods 209 can always be located outside the block 20.

[0033] According to the above technical solution, the working steps of this solution are summarized and sorted out: when the housing 10 needs to be installed on the hydraulic actuator body 1, the block 20 can be mounted on the support plate 21 first, so that the support can pass through the through groove 25, the plug block 23 can be squeezed by the inner wall of the through groove 25, and when the plug block 23 moves to the position where the through hole 210 is located, it can be inserted into the through hole 210 under the reset action of the spring 24, so that the block 20 is positioned on the support plate 21, and then the housing 10 can be fixed on the hydraulic actuator. When the housing 10 needs to be disassembled, the rotating shaft 28 can be driven to rotate by the hand wheel 204, so that the driven bevel gear 29 can drive the bidirectional screw rod 27 to rotate counterclockwise under the action of the active bevel gear 201, so that the two sliders 207 can move closer to each other, so that the push rod 209 can squeeze the plug block 23 out of the through hole 210 under the action of the slider 207, so that the block 20 loses its fixing force on the support plate 21, and the housing 10 can be quickly removed from the hydraulic actuator body 1.

[0034] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hydraulic actuator that is easy to maintain, characterized in that: include: A hydraulic actuator body (1) and a disassembly and assembly mechanism (2); The main body of the hydraulic actuator body (1) is provided with a housing (10), the disassembly and assembly mechanism (2) comprises a block (20) fixedly connected to the top of the housing (10) and a support plate (21) fixedly connected to the outer side of the hydraulic actuator body (1), the block (20) is provided with a through groove (25) for inserting the support plate (21), the inner side wall of the through groove (25) is symmetrically provided with through holes (210), the support plate (21) is symmetrically movably connected with an insert block (23) for inserting the through hole (210), the outer side of the block (20) is fixedly connected with a plate (26), the inner side of the plate (26) is rotatably connected with a bidirectional screw rod (27), and the two opposite threads of the bidirectional screw rod (27) are both threadedly sleeved with sliders (207) ), the interior of the slider (207) is movably connected to the block (20), the inner side of the slider (207) is fixedly connected to a push rod (209), one side of the plate body (26) is fixedly connected to a bracket (206), the interior of the bracket (206) is rotatably connected to a rotating shaft (28), one end of the rotating shaft (28) is fixedly connected to an active bevel gear (201), the other end of the rotating shaft (28) is fixedly connected to a hand wheel (204), the outer side of the active bevel gear (201) is meshingly connected to a driven bevel gear (29), the driven bevel gear (29) is fixedly sleeved on the bidirectional screw rod (27), the rotating shaft (28) is sleeved with a torsion spring (202), and the two ends of the torsion spring (202) are respectively fixedly connected to the hand wheel (204) and the bracket (206).

2. A hydraulic actuator that is easy to maintain according to claim 1, characterized in that: The outer side of the hand wheel (204) is evenly and fixedly connected with equidistantly distributed protrusions (205).

3. The hydraulic actuator that is easy to maintain according to claim 1 is characterized in that: A rod body (208) is slidably connected inside the sliding block (207), and one end of the rod body (208) is fixedly connected to the block body (20).

4. The hydraulic actuator that is easy to maintain according to claim 3 is characterized in that: One end of the rod body (208) away from the block body (20) is fixedly connected to a stopper (203).

5. The hydraulic actuator that is easy to maintain according to claim 1 is characterized in that: A handle (11) is fixedly connected to the outer side of the housing (10).

6. The hydraulic actuator that is easy to maintain according to claim 5, characterized in that: Two limit blocks (13) are symmetrically fixedly connected to the bottom of the housing (10), and support rods (12) are movably embedded in the two limit blocks (13), and one end of the support rod (12) is fixedly connected to the hydraulic actuator body (1).

7. The hydraulic actuator that is easy to maintain according to claim 1 is characterized in that: The support plate (21) is symmetrically provided with a slide groove (22), the inner side wall of the slide groove (22) is fixedly connected with a spring (24), one end of the spring (24) is fixedly connected with an insert block (23), and the insert block (23) is slidably connected to the inner side wall of the slide groove (22).

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