CN220956277U - Anti-rotation structure for oil cylinder assembly - Google Patents
Anti-rotation structure for oil cylinder assembly Download PDFInfo
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- CN220956277U CN220956277U CN202322840358.2U CN202322840358U CN220956277U CN 220956277 U CN220956277 U CN 220956277U CN 202322840358 U CN202322840358 U CN 202322840358U CN 220956277 U CN220956277 U CN 220956277U
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- pull rod
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- assembly
- cylinder barrel
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- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000003973 paint Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Abstract
The utility model discloses an anti-rotation structure for oil cylinder assembly, which comprises a pull rod, a rack for bearing the pull rod, a cylinder barrel and an external member for bearing the cylinder barrel, wherein one end of the pull rod, which faces towards the cylinder barrel, is provided with a cylinder head, and the cylinder head is connected with the cylinder barrel through a fastener; the lifting device comprises a rack, a cylinder barrel and a lifting assembly, wherein the rack is provided with a first positioning assembly used for fixing the position of the pull rod, the first positioning assembly is used for fixing the position of the pull rod, the lifting assembly is arranged near the cylinder head of the rack, and the lifting assembly is used for lifting the pull rod and/or the cylinder barrel. In the process of the upper torsion, in order to ensure that the pull rod and the cylinder barrel do not rotate relatively, the pull rod is fixed at one point through the first positioning component, and the jacking component jacks up the pull rod and/or the cylinder barrel at the other point, so that the combined structure formed by the pull rod and the cylinder barrel is not dead, the rotation in the process of the upper torsion is avoided, and the air tightness of the formed oil cylinder is improved.
Description
Technical Field
The utility model relates to the technical field of oil cylinder assembly, in particular to an anti-rotation structure for oil cylinder assembly.
Background
The oil cylinder is a hydraulic cylinder, and the hydraulic cylinder is a linear motion type executing element with output force being in direct proportion to the effective area of the piston and the pressure difference on two sides of the piston. Its function is to convert hydraulic energy into mechanical energy. The input of the hydraulic cylinder is the flow and pressure of the fluid, and the output is the linear motion speed and force. The piston of the hydraulic cylinder can perform linear reciprocating motion, and the output linear displacement is limited. The hydraulic cylinder is an energy conversion device that converts hydraulic energy into mechanical energy for reciprocating rectilinear motion. The hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, a piston, a pull rod and a cylinder bottom.
In the conventional cylinder cover and cylinder barrel are generally connected together through a fastener, and in the process of twisting the fastener, if the pull rod or the cylinder barrel rotates, the tightness of the formed cylinder barrel is easily affected, and oil leakage and the like can occur.
Disclosure of utility model
The utility model aims to solve the technical problems that: the utility model provides an anti-rotation structure for oil cylinder assembly, which aims to solve the problem of rotation of a pull rod or a cylinder barrel.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the anti-rotation structure for the oil cylinder assembly comprises a pull rod, a rack for bearing the pull rod, a cylinder barrel and an external member for bearing the cylinder barrel, wherein one end of the pull rod, which faces the cylinder barrel, is provided with a cylinder head, and the cylinder head is connected with the cylinder barrel through a fastener;
The lifting device comprises a rack, a cylinder barrel and a lifting assembly, wherein the rack is provided with a first positioning assembly used for fixing the position of the pull rod, the first positioning assembly is used for fixing the position of the pull rod, the lifting assembly is arranged near the cylinder head of the rack, and the lifting assembly is used for lifting the pull rod and/or the cylinder barrel.
Preferably, the first positioning component comprises a lower positioning piece arranged on the frame and an upper positioning piece arranged on the lower positioning piece through a fastener, and the lower positioning piece and the upper positioning piece jointly form a limiting space for limiting the pull rod.
Preferably, the jacking assembly comprises a jacking plate and a jacking drive for driving the jacking plate to move up and down, the jacking drive comprises a driving shaft, the driving shaft is connected with a coupler, the coupler is connected with a worm, the rack is provided with a case, a turbine is arranged in the case, the worm stretches into the case and is engaged with the turbine to be connected, a screw rod is engaged with the inner side of the turbine in a threaded manner, and the top end of the screw rod is connected with the jacking plate.
Preferably, the jacking assembly comprises a positioning seat, the driving shaft penetrates through the positioning seat, a bearing is arranged between the positioning seat and the driving shaft, and a hand wheel is arranged at the tail end of the driving shaft.
Preferably, the frame is provided with a second positioning assembly for bearing the cylinder head, the second positioning assembly comprises a positioning plate and a positioning block arranged on the positioning plate, and the cylinder head is placed on the positioning block.
Preferably, the upper side surface of the jacking plate is at least partially attached to a part of the outer peripheral surface of the cylinder tube.
Preferably, the cylinder bottom is detachably connected to the cylinder tube by a fastener.
The beneficial effects of the utility model are as follows: the cylinder head is installed in the cylinder through the bolt to the bolt needs to beat certain torsion, and in the in-process of last torsion, in order to guarantee that pull rod and cylinder do not take place relative rotation, fix the pull rod through first locating component at one point, jacking subassembly is at another point jacking pull rod and/or cylinder, in order to do not die the integrated configuration that pull rod and cylinder formed, avoid taking place to rotate in the in-process of last torsion, promote fashioned hydro-cylinder's gas tightness.
Drawings
FIG. 1 is a schematic perspective view of an anti-rotation structure for cylinder assembly;
Fig. 2 is a schematic perspective view of an anti-rotation structure for cylinder assembly with a cylinder barrel removed;
Fig. 3 is a partial enlarged view at a in fig. 2.
In the figure: 1. a frame; 2. a pull rod; 3. a cylinder; 4. a cylinder head; 5. an upper positioning piece; 6. a lower positioning member; 7. a positioning block; 8. a positioning plate; 9. a jacking plate; 10. a worm; 11. a worm box; 12. a coupling; 13. a driving shaft; 14. a positioning seat; 15. a bearing; 16. and a case.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
In the present specification, the terms "upper, lower, inner, outer" and the like are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may be changed according to the drawings, so that the terms are not to be construed as absolute limitation of the protection scope; moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
Examples
As shown in fig. 1-3, an anti-rotation structure for oil cylinder assembly comprises a pull rod 2, a frame 1 for bearing the pull rod 2, a cylinder barrel 3 and an external member for bearing the cylinder barrel 3, wherein one end of the pull rod 2 facing the cylinder barrel 3 is provided with a cylinder head 4, and the cylinder head 4 is connected with the cylinder barrel 3 through a fastener;
Wherein, frame 1 is provided with the first locating component that is used for fixing the position of pull rod 2, and first locating component is used for fixing the position of pull rod 2, and frame 1 has arranged the jacking subassembly near cylinder head 4, and the jacking subassembly is used for jacking pull rod 2 and/or cylinder 3.
Specifically, the cylinder head 4 is installed in the cylinder barrel 3 through the bolt to the bolt needs to be beaten certain torsion, in the in-process of last torsion, in order to guarantee that pull rod 2 and cylinder barrel 3 do not take place relative rotation, fix pull rod 2 at one point through first locating component, jacking subassembly is at another point jacking pull rod 2 and/or cylinder barrel 3, in order to do not dead with the integrated configuration that pull rod 2 and cylinder barrel 3 formed, avoid taking place to rotate in the in-process of last torsion, promote fashioned hydro-cylinder's gas tightness.
Further, the first positioning component comprises a lower positioning piece 6 arranged on the frame 1 and an upper positioning piece 5 arranged on the lower positioning piece 6 through a fastener, the lower positioning piece 6 and the upper positioning piece 5 jointly form a limiting space for limiting the pull rod 2, the lower positioning piece 6 and the upper positioning piece 5 are fixed into a whole through bolts, and the pull rod 2 penetrates through the limiting space.
Further, the jacking assembly comprises a jacking plate 9 and a jacking drive for driving the jacking plate 9 to move up and down, the jacking drive comprises a driving shaft 13, the driving shaft 13 is connected with a coupler 12, the coupler 12 is connected with a worm 10, the machine frame 1 is provided with a machine box 16, a turbine is arranged in the machine box 16, the worm 10 stretches into the machine box 16 and is connected with the turbine in a meshed mode, a screw rod is meshed with the inner side of the turbine in a threaded mode, the top end of the screw rod is connected with the jacking plate 9, and preferably, the machine frame 1 is provided with a turbine box 11, and the turbine box 11 is connected with a rotating shaft of the worm 10. The driving shaft 13 rotates to drive the coupler 12 to rotate to drive the worm to rotate to drive the turbine to rotate to drive the screw rod to ascend or descend, and the top end of the screw rod is connected with the rotating shaft of the jacking plate 9.
Further, the jacking assembly comprises a positioning seat 14, the driving shaft 13 penetrates through the positioning seat 14, a bearing 15 is arranged between the positioning seat 14 and the driving shaft 13, a hand wheel is arranged at the tail end of the driving shaft 13, the driving shaft 13 is driven to rotate by rotating the hand wheel, and the positioning seat 14 can promote the stability of the driving shaft 13.
Further, the frame 1 is provided with a second positioning component for bearing the cylinder head 4, the second positioning component comprises a positioning plate 8 and a positioning block 7 arranged on the positioning plate 8, the cylinder head 4 is placed on the positioning block 7, and when the pull rod 2 and/or the cylinder barrel 3 are not lifted, the pull rod 2 is placed on the frame 1 through the first positioning component and the second positioning component.
Further, the upper side surface of the jacking plate 9 is at least partially attached to a part of the outer circumferential surface of the cylinder 3, paint is sprayed on the cylinder 3, and when the cylinder 3 is jacked, the pressure intensity received by each point is reduced by increasing the contact surface between the jacking plate 9 and the cylinder 3, so that the possibility that the paint on the outer circumferential surface of the cylinder 3 is damaged is reduced.
The above technical features may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Claims (6)
1. The anti-rotation structure for the oil cylinder assembly is characterized by comprising a pull rod (2), a frame (1) for bearing the pull rod (2), a cylinder barrel (3) and an external member for bearing the cylinder barrel (3), wherein one end of the pull rod (2) facing the cylinder barrel (3) is provided with a cylinder head (4), and the cylinder head (4) is connected with the cylinder barrel (3) through a fastener;
The lifting device comprises a frame (1), a lifting assembly and a cylinder barrel (3), wherein the frame (1) is provided with a first positioning assembly used for fixing the position of the pull rod (2), the first positioning assembly is used for fixing the position of the pull rod (2), the lifting assembly is arranged near a cylinder head (4) of the frame (1), and the lifting assembly is used for lifting the pull rod (2) and/or the cylinder barrel (3).
2. The anti-rotation structure for oil cylinder assembly according to claim 1, wherein the first positioning component comprises a lower positioning piece (6) arranged on the frame (1) and an upper positioning piece (5) arranged on the lower positioning piece (6) through a fastener, and the lower positioning piece (6) and the upper positioning piece (5) form a limiting space for limiting the pull rod (2) together.
3. The anti-rotation structure for oil cylinder assembly according to claim 1, wherein the jacking assembly comprises a jacking plate (9), and a jacking drive for driving the jacking plate (9) to move up and down, the jacking drive comprises a driving shaft (13), the driving shaft (13) is connected with a coupler (12), the coupler (12) is connected with a worm (10), the frame (1) is provided with a machine case (16), a turbine is arranged in the machine case (16), the worm (10) stretches into the machine case (16) and is connected with the turbine in a meshing manner, a screw rod is meshed with the inner side of the turbine in a threaded manner, and the top end of the screw rod is connected with the jacking plate (9).
4. A cylinder fitting anti-rotation structure according to claim 3, characterized in that the jacking assembly comprises a positioning seat (14), the driving shaft (13) passes through the positioning seat (14) and a bearing (15) is arranged between the positioning seat (14) and the driving shaft (13), and a hand wheel is arranged at the tail end of the driving shaft (13).
5. The anti-rotation structure for oil cylinder assembly according to claim 1, wherein the frame (1) is provided with a second positioning assembly for bearing the cylinder head (4), the second positioning assembly comprises a positioning plate (8), a positioning block (7) mounted on the positioning plate (8), and the cylinder head (4) is placed on the positioning block (7).
6. The cylinder-mounting anti-rotation structure according to claim 3, wherein the upper side surface of the lifting plate (9) is at least partially attached to a part of the outer peripheral surface of the cylinder tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322840358.2U CN220956277U (en) | 2023-10-23 | 2023-10-23 | Anti-rotation structure for oil cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322840358.2U CN220956277U (en) | 2023-10-23 | 2023-10-23 | Anti-rotation structure for oil cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956277U true CN220956277U (en) | 2024-05-14 |
Family
ID=91025867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322840358.2U Active CN220956277U (en) | 2023-10-23 | 2023-10-23 | Anti-rotation structure for oil cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956277U (en) |
-
2023
- 2023-10-23 CN CN202322840358.2U patent/CN220956277U/en active Active
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