CN220302451U - Hydraulic cylinder with external protection structure - Google Patents
Hydraulic cylinder with external protection structure Download PDFInfo
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- CN220302451U CN220302451U CN202321751122.5U CN202321751122U CN220302451U CN 220302451 U CN220302451 U CN 220302451U CN 202321751122 U CN202321751122 U CN 202321751122U CN 220302451 U CN220302451 U CN 220302451U
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- hydraulic cylinder
- cylinder
- fixedly connected
- protection structure
- external protection
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- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 11
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model provides a hydraulic cylinder with an external protection structure, and belongs to the technical field of hydraulic cylinders. The hydraulic cylinder is respectively in through connection with the base and the mounting cylinder, the upper end of the mounting cylinder is connected with a cylinder cover through a fixing bolt, a piston rod is arranged in the hydraulic cylinder, and the piston rod is fixedly connected with the inner wall of the base; through the cooperation between support column, conducting strip, fin, protective housing and buffer device, the support column can prevent that large-scale article from directly causing the stability of device to the hydraulic cylinder while, and protective housing, heat conduction strip and buffer device's setting can provide the second and overlap the protection for the pneumatic cylinder, has avoided sharp object direct impact or collision hydraulic cylinder's condition to appear; the heat conducting fin and the radiating fin can keep the temperature in the hydraulic cylinder in a proper temperature interval, so that the service life of the device is prolonged while the system performance is improved.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with an external protection structure.
Background
The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between two sides of the effective area of the piston; the hydraulic cylinder has three main types, namely a piston cylinder, a plunger cylinder and a swing cylinder, wherein the piston cylinder and the plunger cylinder realize reciprocating linear motion, output speed and thrust, and the swing cylinder realize reciprocating swing and output angular speed (rotating speed) and torque. The hydraulic cylinders may be used in combination of two or more other mechanisms or in combination with other mechanisms, in addition to being used singly, to perform a particular function.
Most of the existing hydraulic cylinders have the following disadvantages when in use: firstly, the hydraulic oil cylinder has no external protection function, the workpiece can accidentally drop and collide with the hydraulic oil cylinder during the transportation of the workpiece by the transport vehicle, and the hydraulic oil cylinder collides with foreign objects in the operation process, so that mechanism damage and hydraulic system failure can be caused, and the safety of the hydraulic oil cylinder is reduced; secondly, the heat generated during the operation of the hydraulic oil cylinder is difficult to effectively dissipate, the oil temperature can continuously rise to an excessive temperature, and the aging of hydraulic oil and the degradation of oil seal can be accelerated, so that the system performance and the service life of the hydraulic oil cylinder are influenced.
How to invent a hydraulic cylinder with an external protection structure to improve the problems becomes a problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
In order to make up for the defects, the utility model provides a hydraulic cylinder with an external protection structure, and aims to solve the problems that the existing hydraulic cylinder is not provided with the external protection structure and heat is difficult to dissipate.
The utility model is realized in the following way:
the utility model provides a hydraulic cylinder with an external protection structure, which comprises a base, a hydraulic cylinder and a mounting cylinder, wherein the hydraulic cylinder is respectively and fixedly connected with the base and the mounting cylinder, the upper end of the mounting cylinder is fixedly connected with a cylinder cover through a fixing bolt, a piston rod is arranged in the hydraulic cylinder, the piston rod is fixedly connected with the inner wall of the base, a support column is fixedly connected between the base and the mounting cylinder, the side walls of the base and the mounting cylinder are respectively and fixedly provided with an oil inlet and an oil outlet, the outer wall of the hydraulic cylinder is sleeved with a protective shell, the two protective shells are fixedly connected with each other through a limiting bolt and a limiting ring, the inner wall of the protective shell close to the end part of the limiting bolt is fixedly connected with a fixing plate, the fixing plate is fixedly connected with a buffer device, the buffer device comprises a fixing sleeve fixedly connected with the fixing plate, a telescopic cavity is arranged in the fixing sleeve, the bottom of the telescopic cavity is fixedly connected with a connecting spring, the end part of the connecting spring is fixedly connected with a telescopic column, the telescopic column is in sliding connection with the telescopic column, the end part of the telescopic column is fixedly connected with the side wall of the protective shell far away from one side of the fixing sleeve, and the protective shell is provided with a heat radiation module.
Preferably, the heat dissipation module comprises a fixing rod and a heat dissipation fin, wherein the heat dissipation fin is provided with a mounting hole, the heat dissipation fin is sleeved on the fixing rod through the mounting hole, the heat dissipation fin is distributed along the fixing rod at equal intervals, sliding grooves are formed in the side walls of the base and the mounting cylinder, and two ends of the fixing rod are respectively connected with the sliding grooves in a sliding mode.
Preferably, the radiating fins are arc-shaped, the radiating fins are propped against the side wall of the protective shell, gaps exist between the adjacent radiating fins, and the radiating fins are made of graphene.
Preferably, a plurality of spacing bolts are equidistantly distributed along the axis of the hydraulic cylinder, a plurality of fixing sleeves are centrally and symmetrically distributed along the axis of the spacing bolts, a gap exists between the protective shell and the hydraulic cylinder, a heat conducting sheet is filled in the gap, and the heat conducting sheet is sleeved on the outer wall of the hydraulic cylinder in a sliding manner.
Preferably, the mounting cylinder is internally provided with a sealing lantern ring, the piston rod is matched with the inner diameter of the sealing lantern ring, and the end part of the sealing lantern ring is propped against the cylinder cover.
Preferably, the fixing bolts are sleeved with sealing gaskets, the sealing gaskets are propped against the upper wall of the cylinder cover, and the fixing bolts are distributed in a central symmetry mode around the central axis of the piston rod.
The beneficial effects of the utility model are as follows:
through the cooperation use among the support columns, the heat conducting sheets, the protective shell and the buffer device, the plurality of support columns symmetrically distributed around the center of the base can prevent the situation that the workpiece can accidentally drop and collide with the hydraulic cylinder during the transportation of the workpiece by the transport vehicle, and meanwhile, the stability of the device can be increased; when a sharper workpiece collides with the hydraulic cylinder through a gap between the support columns, the protective shell extrudes the connecting springs under the action of impact force, the impact force can be converted into the elastic force of the connecting springs by the aid of the buffer devices symmetrically arranged in multiple groups, the protective shell and the heat conducting fins can also rotate, objects can be prevented from continuously acting on the device, the protective shell, the heat conducting strips and the buffer devices can provide secondary protection for the hydraulic cylinder, and the situation that the sharp objects directly collide with or collide with the hydraulic cylinder is avoided;
when the hydraulic cylinder works to generate more heat, the heat generated by the hydraulic cylinder can be effectively absorbed by the heat conducting fin, the heat transferred by the protective shell can be efficiently absorbed and emitted by the heat conducting fin arranged in an arc shape, the heat dissipation performance of the device can be greatly improved, the temperature in the hydraulic cylinder can be kept in a proper temperature interval by the heat conducting fin and the heat conducting fin, the conditions of high-temperature accelerated hydraulic oil aging and oil seal degradation in the cylinder are avoided, and the service life of the device is prolonged while the system performance is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a hydraulic cylinder with an external protection structure according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an oil inlet and outlet structure of a hydraulic cylinder with an external protection structure according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a hydraulic cylinder buffer device with an external protection structure according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a hydraulic cylinder fin and a fixing rod with an external protection structure according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a cross-sectional structure of a hydraulic cylinder with an external protection structure according to an embodiment of the present utility model;
fig. 6 is a schematic top view of a hydraulic cylinder with an external protection structure according to an embodiment of the present utility model.
In the figure: 1. a base; 2. a support column; 3. a heat sink; 4. a fixed rod; 5. a protective shell; 6. a mounting cylinder; 7. a piston rod; 8. a fixing bolt; 9. a sealing gasket; 10. a cylinder cover; 11. a limit bolt; 12. a limiting ring; 13. a sealing collar; 14. an oil inlet; 15. an oil outlet; 16. a fixing plate; 17. a fixed sleeve; 18. a connecting spring; 19. a telescopic column; 20. and a hydraulic cylinder.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-3, a hydraulic cylinder with an external protection structure comprises a base 1, a hydraulic cylinder 20 and a mounting cylinder 6, wherein the hydraulic cylinder 20 is respectively in through connection with the base 1 and the mounting cylinder 6, the upper end of the mounting cylinder 6 is provided with a cylinder cover 10 through a fixing bolt 8, a piston rod 7 is arranged in the hydraulic cylinder 20, the piston rod 7 is fixedly connected with the inner wall of the base 1, a support column 2 is fixedly connected between the base 1 and the mounting cylinder 6, the stability of the device is improved, meanwhile, the damage to the hydraulic cylinder caused by large objects can be prevented, the side walls of the base 1 and the mounting cylinder 6 are respectively in through connection with an oil inlet 14 and an oil outlet 15, the telescopic function is realized through adding or reducing liquid, the outer wall of the hydraulic cylinder 20 is sleeved with a protective shell 5, the two protective shells 5 are in through a limit bolt 11 and a limit ring 12 for further protection to the hydraulic cylinder 20, meanwhile, the heat generated by the hydraulic cylinder 20 can be absorbed as soon as possible, the inner wall of the protective shell 5 close to the end of the limit bolt 11 is fixedly connected with a fixing plate 16, the fixing sleeve 17 fixedly connected with a buffer device on the fixing plate 16, the fixing sleeve 17 fixedly connected with the fixing plate 16, the fixing sleeve 18 is arranged in the fixing sleeve 17, the fixing sleeve 17 is fixedly connected with the bottom of the fixing sleeve 17, the fixing sleeve 18 is fixedly connected with the end part of the fixing sleeve 18, and the end part of the fixing sleeve 19 is connected with the telescopic sleeve 19, and the telescopic sleeve is fixedly connected with the end part of the telescopic cylinder 19 by a telescopic cylinder, and the telescopic cylinder is far from the telescopic cylinder, and the telescopic cylinder is fixedly connected with the end part of the telescopic cylinder 19;
it should be noted that: the limiting bolts 11 are equidistantly distributed along the central axis of the hydraulic cylinder 20, the fixing sleeves 17 are symmetrically distributed in the center along the central axis of the limiting bolts 11, when a sharp object impacts the hydraulic cylinder through a gap between the supporting columns 2, the protecting shell 5 extrudes the connecting springs 18 under the action of impact force, the impact force can be converted into the elastic force of the connecting springs 18 by the aid of the buffering devices which are symmetrically arranged, the hydraulic cylinder 20 can be effectively buffered, the protecting shell 5 and the buffering devices can provide secondary protection for the hydraulic cylinder 20, the situation that the sharp object directly impacts or collides with the hydraulic cylinder 20 is avoided, a gap exists between the protecting shell 5 and the hydraulic cylinder 20, the heat conducting sheets are filled in the gap and are sleeved on the outer wall of the hydraulic cylinder 20 in a sliding mode, and therefore heat generated by the hydraulic cylinder 20 can be effectively absorbed;
referring to fig. 3-4, the side wall of the protective shell 5 is provided with a heat dissipation module, the heat dissipation module comprises a fixed rod 4 and heat dissipation fins 3, the heat dissipation fins 3 are provided with mounting holes, the heat dissipation fins 3 are sleeved on the fixed rod 4 through the mounting holes, the heat dissipation fins 3 are distributed at equal intervals along the fixed rod 4, the side wall of the base 1 and the side wall of the mounting cylinder 6 are provided with sliding grooves, two ends of the fixed rod 4 are respectively connected with the sliding grooves in a sliding mode, the heat dissipation fins 3 are arranged in an arc shape, the heat dissipation fins 3 are abutted against the side wall of the protective shell 5, gaps exist between the adjacent heat dissipation fins 3, the heat dissipation fins 3 are guaranteed to be fully contacted with the outside, the heat dissipation fins 3 are made of graphene materials, and the graphene has ultrahigh heat conductivity, so that heat transferred by the protective shell 5 can be efficiently absorbed and dissipated, and the heat dissipation performance can be greatly improved;
it should be noted that: the installation section of thick bamboo 6 internally mounted is connected with sealed lantern ring 13, and piston rod 7 and sealed lantern ring 13 internal diameter adaptation, and sealed lantern ring 13 tip offsets with cylinder cap 10, also can prevent that external dust from entering into the pneumatic cylinder 20 inside when can increasing the device gas tightness, cup joints sealing gasket 9 on the gim peg 8, sealing gasket 9 offsets with cylinder cap 10 upper wall, has guaranteed that the liquid in the pneumatic cylinder 20 can not flow, and a plurality of gim pegs 8 are central symmetry and distribute around piston rod 7 axis, have strengthened the connection stability of device.
The working principle of the hydraulic cylinder with the external protection structure is as follows: the transportation vehicle is in the middle of transporting the work piece, a plurality of support columns symmetrically distributed around the center of the base can prevent the situation that the transportation vehicle possibly accidentally drops and collides with the hydraulic cylinder during the transportation of the work piece, meanwhile, the stability of the device can be increased, when a sharper work piece collides with the hydraulic cylinder through a gap between the support columns, at the moment, the protective shell 5 can extrude the connecting spring 18 under the action of impact force, a plurality of groups of symmetrically arranged buffer devices can convert the impact force into the elastic force of the connecting spring 18, effective buffering can be provided for the hydraulic cylinder 20, the heat radiating fins 3 arranged on the outer wall of the protective shell 5 and the heat conducting fins sleeved on the outer wall of the hydraulic cylinder 20 in a sliding manner can also provide protection for the hydraulic cylinder 20, at the moment, under the action of the impact force of an object, the protective shell 5 and the heat conducting fins can rotate relative to the hydraulic cylinder 20, at the moment, the object can slide from the device, the protective shell 5, the heat conducting strips and the buffer device can provide secondary protection for the hydraulic cylinder 20, so that the situation that the sharp object directly collides with or collides with the hydraulic cylinder 20 is avoided;
there is the clearance between protective housing 5 and pneumatic cylinder 20, the clearance intussuseption is filled with the conducting strip, the conducting strip slides and cup joints at the pneumatic cylinder 20 outer wall, when the hydraulic cylinder during operation produces more heat, the conducting strip can carry out effective absorption with the heat that pneumatic cylinder 20 produced, fin 3 is the arc setting, fin 3 offsets with protective housing 5 lateral wall, there is the clearance between adjacent fin 3, guaranteed fin 3 and external abundant contact, fin 3 is the graphene material setting, graphene has the superhigh thermal conductivity, can absorb the heat of protective housing 5 transmission and give off, can improve the heat dispersion of device greatly, the setting of conducting strip and fin 3 can keep the temperature in the pneumatic cylinder 20 in suitable temperature interval, the condition that has avoided in the jar high temperature to accelerate hydraulic oil ageing and oil seal degradation appears, the life of device has been increased when having improved system performance.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The hydraulic cylinder with the external protection structure comprises a base (1), a hydraulic cylinder (20) and an installation cylinder (6), wherein the hydraulic cylinder (20) is respectively connected with the base (1) and the installation cylinder (6) in a penetrating way, the hydraulic cylinder is characterized in that the upper end of the installation cylinder (6) is connected with a cylinder cover (10) through a fixing bolt (8), a piston rod (7) is arranged inside the hydraulic cylinder (20), the piston rod (7) is fixedly connected with the inner wall of the base (1), a support column (2) is fixedly connected between the base (1) and the installation cylinder (6), an oil inlet (14) and an oil outlet (15) are respectively communicated with the side walls of the base (1) and the installation cylinder (6), the outer walls of the hydraulic cylinder (20) are sleeved with a protective shell (5), the two protective shells (5) are connected through a limiting bolt (11) and a limiting ring (12) in a mounting way, the inner wall of the protective shell (5) close to the end part of the limiting bolt is fixedly connected with a fixing plate (16), a buffer device is fixedly connected onto the fixing plate (16), the buffer device comprises the fixing plate (16) and is fixedly connected with a telescopic sleeve (17) and is fixedly connected with the inner part of the fixing sleeve (17), the connecting spring (18) end fixedly connected with flexible post (19), flexible post (19) and flexible chamber sliding connection, flexible post (19) end and protective housing (5) lateral wall fixed connection who keeps away from fixed sleeve (17) one side, protective housing (5) lateral wall is equipped with heat dissipation module.
2. The hydraulic cylinder with the external protection structure according to claim 1, wherein the heat dissipation module comprises a fixed rod (4) and a heat dissipation fin (3), the heat dissipation fin (3) is provided with a mounting hole, the heat dissipation fin (3) is sleeved on the fixed rod (4) through the mounting hole, the heat dissipation fin (3) is equidistantly distributed along the fixed rod (4), sliding grooves are formed in the side walls of the base (1) and the mounting cylinder (6), and two ends of the fixed rod (4) are respectively connected with the sliding grooves in a sliding mode.
3. The hydraulic cylinder with the external protection structure according to claim 2, wherein the cooling fins (3) are arc-shaped, the cooling fins (3) are abutted against the side wall of the protective shell (5), gaps exist between the adjacent cooling fins (3), and the cooling fins (3) are made of graphene.
4. The hydraulic cylinder with the external protection structure according to claim 1, wherein a plurality of limit bolts (11) are distributed at equal intervals along the central axis of the hydraulic cylinder (20), a plurality of fixing sleeves (17) are distributed in a central symmetry manner along the central axis of the limit bolts (11), a gap is reserved between the protective shell (5) and the hydraulic cylinder (20), and heat conducting sheets are filled in the gap and are sleeved on the outer wall of the hydraulic cylinder (20) in a sliding manner.
5. The hydraulic cylinder with the external protection structure according to claim 1, characterized in that a sealing collar (13) is connected to the inside of the mounting cylinder (6), the piston rod (7) is matched with the inner diameter of the sealing collar (13), and the end part of the sealing collar (13) is propped against the cylinder cover (10).
6. The hydraulic cylinder with the external protection structure according to claim 1, wherein the fixing bolts (8) are sleeved with sealing gaskets (9), the sealing gaskets (9) are propped against the upper wall of the cylinder cover (10), and the fixing bolts (8) are distributed in a central symmetry mode around the central axis of the piston rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321751122.5U CN220302451U (en) | 2023-07-05 | 2023-07-05 | Hydraulic cylinder with external protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321751122.5U CN220302451U (en) | 2023-07-05 | 2023-07-05 | Hydraulic cylinder with external protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302451U true CN220302451U (en) | 2024-01-05 |
Family
ID=89376157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321751122.5U Active CN220302451U (en) | 2023-07-05 | 2023-07-05 | Hydraulic cylinder with external protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302451U (en) |
-
2023
- 2023-07-05 CN CN202321751122.5U patent/CN220302451U/en active Active
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