CN111911478A - Guide sleeve of hydraulic oil cylinder - Google Patents

Guide sleeve of hydraulic oil cylinder Download PDF

Info

Publication number
CN111911478A
CN111911478A CN202010635045.1A CN202010635045A CN111911478A CN 111911478 A CN111911478 A CN 111911478A CN 202010635045 A CN202010635045 A CN 202010635045A CN 111911478 A CN111911478 A CN 111911478A
Authority
CN
China
Prior art keywords
guide sleeve
cylinder
oil filler
sleeve body
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010635045.1A
Other languages
Chinese (zh)
Inventor
陈辰
唐杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Yizhigu Machinery Design Co Ltd
Original Assignee
Hefei Yizhigu Machinery Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Yizhigu Machinery Design Co Ltd filed Critical Hefei Yizhigu Machinery Design Co Ltd
Priority to CN202010635045.1A priority Critical patent/CN111911478A/en
Publication of CN111911478A publication Critical patent/CN111911478A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1457—Piston rods
    • F15B15/1461—Piston rod sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1471—Guiding means other than in the end cap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F16N21/04—Nozzles for connection of lubricating equipment to nipples

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)

Abstract

The invention discloses a guide sleeve of a hydraulic oil cylinder, which comprises a cylinder body, wherein one end of the cylinder body is provided with a fixing device, the cylinder body is fixedly provided with a guide sleeve body through the fixing device, an anti-abrasion device is embedded in the middle position of one end of the guide sleeve body, a buffer device is embedded in the position, close to the anti-abrasion device, of one end of the guide sleeve body, the buffer device comprises a mounting groove formed in one end of the guide sleeve body, a limiting column is fixedly mounted at one end inside the mounting groove, a spring is arranged at the position, close to the limiting column, of one end inside the mounting groove, and a buffer rubber column is fixedly mounted at one end of the. According to the invention, the friction resistance is reduced and the abrasion of the guide sleeve body is reduced by arranging the anti-abrasion device, and meanwhile, the sealing effect between the guide sleeve body and the piston rod cannot be influenced because the main oil hole, the first oil hole and the second oil hole are arranged in the anti-abrasion device.

Description

Guide sleeve of hydraulic oil cylinder
Technical Field
The invention relates to the technical field of hydraulic oil cylinders, in particular to a guide sleeve of a hydraulic oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance, and moves stably, thereby being widely applied to various mechanical hydraulic systems, the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston, and a guide sleeve of the hydraulic cylinder is a part which is arranged at the front end of a cylinder barrel of the hydraulic cylinder and guides and seals a piston rod.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. in the prior art, in order to ensure the sealing between the guide sleeve and the piston rod, the guide sleeve and the piston rod are usually matched tightly, the amount of lubricating when hydraulic oil in an oil cylinder enters a friction position is small in the mutual friction of the guide sleeve and the piston rod during working, the abrasion consumption is increased due to dry friction, the abrasion of the connecting position of the guide sleeve and the piston rod can cause the damage of an oil cylinder sealing system, and at the moment, the whole guide sleeve needs to be replaced, so that the resource waste is caused; 2. in the hydraulic cylinder working process, the impact abrasion of the piston to the guide sleeve body can cause the abrasion of the end part of the guide sleeve body, and further cause the end part to lose sealing efficacy, so that hydraulic oil is leaked, and the service life of the guide sleeve is shortened.
To this end, a guide bush for a hydraulic cylinder is proposed.
Disclosure of Invention
The invention aims to provide a guide sleeve of a hydraulic cylinder, which utilizes a main oil filling hole, a first oil filling hole and a second oil filling hole arranged on a wear-resistant device, when the hydraulic cylinder works, hydraulic oil can enter a friction position through the main oil filling hole, the first oil filling hole and the second oil filling hole for lubrication, thereby reducing friction resistance and abrasion of a guide sleeve body, meanwhile, the main oil filling hole, the first oil filling hole and the second oil filling hole are arranged in the wear-resistant device, the sealing effect between the guide sleeve body and a piston rod cannot be influenced, in addition, after the hydraulic cylinder is used for a long time, when the abrasion is large and the sealing effect cannot be ensured, the guide sleeve body can be disassembled and replaced through bolts, the whole guide sleeve body does not need to be replaced, resources are saved, the production cost is reduced, and the sealing failure of the guide sleeve body can be caused by the impact abrasion of a piston to the guide sleeve body in the working process of the hydraulic cylinder, cause hydraulic oil to reveal, through setting up buffer, utilize the elastic potential energy of cushion rubber post, spring to cushion the impact, reduced the impact wear of uide bushing body, the buffer that sets up on the uide bushing body is through cooperation abrasionproof loss device, can reduce the friction impact that the uide bushing body received in the course of the work, has carried out fine protection to the uide bushing body, has prolonged the life of uide bushing body to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: the guide sleeve of the hydraulic cylinder comprises a cylinder body, wherein a fixing device is arranged at one end of the cylinder body, a guide sleeve body is fixedly mounted on the cylinder body through the fixing device, an anti-abrasion device is embedded in the middle of one end of the guide sleeve body, a buffer device is embedded in the position, close to the anti-abrasion device, of one end of the guide sleeve body, the buffer device comprises a mounting groove formed in one end of the guide sleeve body, a limiting column is fixedly mounted at one end inside the mounting groove, a spring is arranged at the position, close to the limiting column, of one end inside the mounting groove, and a buffer rubber column is fixedly mounted at one end of the spring;
the abrasionproof decreases the device and sets up in the casing of uide bushing body one end including the embedding, the casing intermediate position embedding is installed the wear ring, casing one end is the position that is close to the wear ring and is four main oil filler points that have evenly seted up in the annular, the inside and main oil filler point hookup location of casing runs through and is provided with a plurality of first oil filler points, the position that the wear ring surface corresponds first oil filler point runs through and has seted up the second oil filler point.
By arranging the anti-abrasion device, hydraulic oil can enter a friction position through the main oil hole, the first oil hole and the second oil hole arranged on the wear ring to be lubricated when the oil cylinder works, so that the friction resistance is reduced, the wear of the guide sleeve body is reduced, meanwhile, the main oil hole, the first oil hole and the second oil hole are arranged in the anti-abrasion device, the sealing effect between the guide sleeve body and the piston rod cannot be influenced, in addition, after the wear ring is used for a long time, when the wear is large and the sealing effect cannot be ensured, the guide sleeve body can be disassembled and replaced through bolts, the whole guide sleeve body does not need to be replaced, the resources are saved, the production cost is reduced, and the sealing failure of the guide sleeve body can be caused by the impact wear of the piston to the guide sleeve body in the working process of the hydraulic cylinder, cause hydraulic oil to reveal, through setting up buffer, utilize the elastic potential energy of rubber cushion post, spring to cushion the impact, reduced the impact wear of uide bushing body, the buffer that sets up on the uide bushing body is through cooperation abrasionproof loss device, can reduce the friction impact that the uide bushing body received in the course of the work, has carried out fine protection to the uide bushing body, has prolonged the life of uide bushing body.
Preferably, the one end of casing is close to the position embedding of main oil filler point and is provided with filter equipment, filter equipment is including setting up in the mounting panel of main oil filler point border position, the one end of mounting panel is provided with the installation shell, inside the installation shell embedding casing, the inside one end of installation shell is provided with first filter screen, the inside position that is close to first filter screen of installation shell is provided with the second filter screen.
The during operation utilizes hydraulic oil to lubricate uide bushing body and piston rod, when reducing frictional resistance, because of can having the impurity that sealing washer wearing and tearing impurity and hydraulic oil itself contained in the hydraulic oil, can lead to main oil filler point, the jam of first oil filler point and second oil filler point, reduce lubricated effect, through setting up filter equipment, utilize first filter screen and second filter screen to filter impurity, can prevent that the impurity that sealing washer wearing and tearing impurity and hydraulic oil itself contain from getting into the inside main oil filler point that causes of abrasionproof loss device, the jam of first oil filler point and second oil filler point.
Preferably, fixing device is including seting up the slot on the uide bushing body and seting up the fixed cover on the cylinder body, the dead lever has been cup jointed to slot and fixed cover inside, the upper end of dead lever is connected with the diagonal draw foot through the hinge rotation, the bottom of diagonal draw foot is provided with fastening bolt and is connected with cylinder body surface fixed through fastening bolt.
When the oil cylinder is in work, aiming at the oil cylinder with smaller size and rated working pressure, the guide sleeve body is usually in threaded connection with the cylinder body, because the sealing ring needs to be replaced frequently, the oil cylinder guide sleeve body is required to be replaced after being detached, however, because the inner diameter of the end cover of the oil cylinder and the outer diameter of the oil cylinder guide sleeve body are tightly matched through threads, the oil cylinder guide sleeve body is difficult to detach, the guide sleeve body is often damaged or even scrapped in the detaching process, even if the guide sleeve body is not damaged, the oil cylinder guide sleeve can be detached for a long time, moreover, the surface of a part is easily scratched and other phenomena in the detaching process, through the arrangement of the fixing device, the guide sleeve body is detached, when the sealing ring and the wear ring are replaced, the fixing rod can be taken down from the fixing sleeve and the groove by unscrewing the fastening bolt, then the guide sleeve body, the problem that the surface of the guide sleeve body is easily scratched in the dismounting process, so that the guide sleeve body is damaged or even scrapped is solved.
Preferably, the outer surface of the guide sleeve body is provided with a sealing ring group at the connecting position with the cylinder body, and a dustproof ring is arranged at the middle position of the other end of the guide sleeve body.
Through setting up sealing washer group, dust ring, improved the sealing performance and the dustproof effect of uide bushing body, guaranteed hydraulic cylinder's normal operating.
Preferably, one end of the wear ring is annularly provided with four bolts, and the wear ring is fixedly connected with the shell through the bolts.
After the wear ring is used for a long time, when the sealing effect cannot be guaranteed due to large wear, the wear ring can be detached and replaced through the bolt, the whole guide sleeve body does not need to be replaced, resources are saved, and the production cost is reduced.
Preferably, the diameter of the first oil filler hole is the same as that of the second oil filler hole, and the diameter of the first oil filler hole is smaller than that of the main oil filler hole.
The diameter of the first oil filler hole is the same as that of the second oil filler hole, and the diameter of the first oil filler hole is smaller than that of the main oil filler hole, so that the hydraulic oil can normally enter the main oil filler hole, and the friction position is lubricated.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the guide sleeve, the anti-abrasion device is arranged, and the main oil hole, the first oil hole and the second oil hole are formed in the wear ring, so that when the oil cylinder works, hydraulic oil can enter a friction position through the main oil hole, the first oil hole and the second oil hole to be lubricated, the friction resistance is reduced, and the wear of the guide sleeve body is reduced.
2. In the pneumatic cylinder working process, the piston can cause the sealed inefficacy of uide bushing body to the impact wear of uide bushing body, cause hydraulic oil to reveal, through setting up buffer, utilize the rubber column of buffering, the elastic potential energy of spring cushions the impact, the impact wear of this tip of uide bushing has been reduced, buffer on the uide bushing body is through cooperation abrasionproof device, can protect the internal connection position and the tip position of easy wearing and tearing on the uide bushing body, reduce the friction impact that the uide bushing body received in the working process, fine comprehensive protection has been carried out to the uide bushing body, the life of uide bushing body has been prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the wear prevention device of the present invention;
FIG. 3 is a schematic view of the fixing device of the present invention;
FIG. 4 is a schematic view of the filter apparatus of the present invention;
FIG. 5 is a schematic view of a buffer device according to the present invention;
fig. 6 is a schematic view of the overall structure of the present invention.
Description of reference numerals:
in the figure: 1. a cylinder body; 2. a buffer device; 21. mounting grooves; 22. a limiting column; 23. a spring; 24. a cushion rubber column; 3. a seal ring set; 4. a fixing device; 41. a trench; 42. fixing a sleeve; 43. fixing the rod; 44. obliquely pulling the foot; 45. fastening a bolt; 5. a guide sleeve body; 6. a dust ring; 8. an anti-wear device; 81. a housing; 82. a wear ring; 83. a first oil filler hole; 84. a second oil filler hole; 85. a main oil filler hole; 9. a filtration device; 91. mounting a plate; 92. mounting a shell; 93. a first filter screen; 94. and a second filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution of a guide sleeve of a hydraulic cylinder:
a guide sleeve of a hydraulic oil cylinder is shown in figure 1 and comprises a cylinder body 1, wherein one end of the cylinder body 1 is provided with a fixing device 4, the cylinder body 1 is fixedly provided with a guide sleeve body 5 through the fixing device 4, and an anti-abrasion device 8 is embedded in the middle position of one end of the guide sleeve body 5;
as shown in fig. 2, the anti-wear device 8 includes a casing 81 embedded in one end of the guide sleeve body 5, a wear ring 82 is embedded in the middle of the casing 81, four main oil holes 85 are uniformly formed in a position of one end of the casing 81 close to the wear ring 82 in an annular shape, a plurality of first oil holes 83 are formed through the connection position of the inside of the casing 81 and the main oil holes 85, and a second oil hole 84 is formed through the outer surface of the wear ring 82 corresponding to the position of the first oil holes 83;
as shown in fig. 5, the one end of uide bushing body 5 is close to the position embedding of abrasionproof device 8 and is provided with buffer 2, buffer 2 is including seting up the mounting groove 21 in uide bushing body 5 one end, the inside one end fixed mounting of mounting groove 21 has spacing post 22, the position that the inside one end of mounting groove 21 is close to spacing post 22 is provided with spring 23, the one end fixed mounting of spring 23 has cushion rubber post 24.
By adopting the above technical scheme, by arranging the anti-abrasion device 8 and utilizing the main oil hole 85, the first oil hole 83 and the second oil hole 84 arranged on the wear ring 82 arranged on the anti-abrasion device 8, when the oil cylinder works, hydraulic oil can enter the friction position through the main oil hole 85, the first oil hole 83 and the second oil hole 84 to lubricate, so that the friction resistance is reduced, the wear of the guide sleeve body 5 is reduced, meanwhile, because the main oil hole 85, the first oil hole 83 and the second oil hole 84 are arranged inside the anti-abrasion device 8, the sealing effect between the guide sleeve body 5 and the piston rod cannot be influenced, in addition, after the wear ring 82 is used for a long time, when the wear is large and the sealing effect cannot be ensured, the disassembly and replacement can be carried out through bolts, the whole guide sleeve body 5 does not need to be replaced, resources are saved, the production cost is reduced, and in the working process of the hydraulic cylinder, the piston can cause the sealed inefficacy of uide bushing body 5 to the impact wear of uide bushing body 5, cause hydraulic oil to reveal, through setting up buffer 2, utilize buffer rubber post 24, the elastic potential energy of spring 23 cushions the impact, the impact wear of uide bushing body 5 tip has been reduced, buffer 2 on the uide bushing body 5 is through cooperation abrasionproof device 8, can all protect the internal connection position and the tip position of easy wearing and tearing on the uide bushing body 5, reduce the whole frictional impact that receives of uide bushing body 5 in the course of the work, fine comprehensive protection has been carried out to uide bushing body 5, the life of uide bushing body 5 has been prolonged.
As an embodiment of the present invention, as shown in fig. 4, a filtering device 9 is embedded in a position close to a main oil filling hole 85 at one end of a housing 81, the filtering device 9 includes a mounting plate 91 disposed at an edge position of the main oil filling hole 85, a mounting shell 92 is disposed at one end of the mounting plate 91, the mounting shell 92 is embedded in the housing 81, a first filter screen 93 is disposed at one end of the interior of the mounting shell 92, and a second filter screen 94 is disposed in the interior of the mounting shell 92 close to the first filter screen 93; the during operation, utilize hydraulic oil to lubricate uide bushing body 5 and piston rod, when reducing frictional resistance, because of can there being the impurity that sealing washer wearing and tearing impurity and hydraulic oil itself contained in the hydraulic oil, probably lead to main oil filler point 85, the jam of first oil filler point 83 and second oil filler point 84, reduce lubricated effect, through setting up filter equipment 9, utilize first filter screen 93 and second filter screen 94 to filter impurity, can prevent that the impurity that sealing washer wearing and tearing impurity and hydraulic oil itself contain from getting into 8 inside main oil filler points 85 that cause of wear prevention device, the jam of first oil filler point 83 and second oil filler point 84.
As an embodiment of the present invention, as shown in fig. 3, the fixing device 4 includes a groove 41 opened on the guide sleeve body 5 and a fixing sleeve 42 opened on the cylinder body 1, a fixing rod 43 is sleeved inside the groove 41 and the fixing sleeve 42, an upper end of the fixing rod 43 is rotatably connected with a diagonal draw leg 44 through a hinge, a fastening bolt 45 is arranged at a bottom end of the diagonal draw leg 44, and the bottom end is fixedly connected with an outer surface of the cylinder body 1 through the fastening bolt 45; during operation, aiming at the oil cylinder with smaller size and rated working pressure, the guide sleeve body 5 is usually in threaded connection with the cylinder body 1, because the sealing ring needs to be replaced frequently, the oil cylinder guide sleeve body 5 is only needed to be replaced after being detached, however, because the inner diameter of the end cover of the oil cylinder and the outer diameter of the oil cylinder guide sleeve body 5 are tightly matched through threads, the oil cylinder guide sleeve body 5 is difficult to detach, the guide sleeve body 5 is often damaged or even scrapped in the detaching process, even if the guide sleeve body is not damaged, the oil cylinder is also detached for a long time, and the surfaces of parts are easily scratched and the like in the detaching process, through arranging the fixing device 4, the fixing rod 43 can be taken out from the fixing sleeve 42 and the groove 41 by unscrewing the fastening bolt 45 when the sealing ring and the wear ring 82 are replaced, and then the guide sleeve body 5 is detached, the simple easy operation of dismantlement process has avoided leading to the 5 surfaces of uide bushing body to produce the fish tail easily at the in-process of dismantling, causes uide bushing body 5 to damage even condemned problem.
Specifically, as shown in fig. 1, a sealing ring group 3 is arranged at a connecting position of the outer surface of the guide sleeve body 5 and the cylinder body 1, and a dust ring 6 is arranged at a middle position of the other end of the guide sleeve body 5.
Through adopting above-mentioned technical scheme, through setting up sealing washer group 3, dust ring 6, improved the sealing performance and the dustproof effect of uide bushing body 5, guaranteed hydraulic cylinder's normal operating.
Specifically, as shown in fig. 2, one end of the wear ring 82 is annularly provided with four bolts, and the wear ring 82 is fixedly connected with the housing 81 through the bolts.
Through adopting above-mentioned technical scheme, wear ring 82 is after long-time the use, and when wearing and tearing are great can not guarantee sealed effect, can dismantle the change through the bolt, needn't change whole uide bushing body 5, has practiced thrift the resource, has reduced manufacturing cost.
Specifically, as shown in fig. 2, the diameter of the first oil hole 83 is the same as that of the second oil hole 84, and the diameter of the first oil hole 83 is smaller than that of the main oil hole 85.
By adopting the technical scheme, the diameter of the first oil hole 83 is the same as that of the second oil hole 84, and the diameter of the first oil hole 83 is smaller than that of the main oil hole 85, so that the hydraulic oil can normally enter the main oil hole, and the friction position is lubricated.
The working principle is as follows: in the invention, by arranging the anti-abrasion device 8 and utilizing the main oil hole 85 arranged on the anti-abrasion device 8, the first oil hole 83 and the second oil hole 84 arranged on the wear ring 82, when the oil cylinder works, hydraulic oil can enter a friction position through the main oil hole 85, the first oil hole 83 and the second oil hole 84 for lubrication, so that the friction resistance is reduced, the wear of the guide sleeve body 5 is reduced, meanwhile, because the main oil hole 85, the first oil hole 83 and the second oil hole 84 are arranged in the anti-abrasion device 8, the sealing effect between the guide sleeve body 5 and the piston rod cannot be influenced, in addition, after the wear ring 82 is used for a long time, the wear is large, the sealing effect cannot be ensured, the disassembly and replacement can be carried out through bolts, the whole guide sleeve body 5 does not need to be replaced, the resources are saved, the production cost is reduced, and the sealing failure of the guide sleeve body 5 can be caused by the impact wear of the piston to the guide sleeve body 5 in the working process of the, cause hydraulic oil to reveal, through setting up buffer 2, utilize buffer rubber post 24, spring 23's elastic potential energy cushions the impact, the impact wear of uide bushing body 5 has been reduced, buffer 2 on the uide bushing body 5 is through cooperation abrasionproof device 8, can protect the internal connection position and the tip position of easy wearing and tearing on the uide bushing body 5, reduce the friction impact that uide bushing body 5 received in the course of the work, fine comprehensive protection has been carried out to uide bushing body 5, the life of uide bushing body 5 has been prolonged.
The using method comprises the following steps: when the guide sleeve is used, the cylinder body 1 and the guide sleeve body 5 are fixedly connected through the fixing device 4, the fixing rod 43 on the fixing device 4 is inserted into the fixing sleeve 42 and the groove 41 formed in the guide sleeve body 5, the diagonal draw leg 44 is attached to the outer surface of the cylinder body 1 through the rotating hinge, the fastening bolt 45 is screwed down for fixing, the device can normally operate after the fixing is completed, in operation, hydraulic oil can enter the friction position between the piston rod and the guide sleeve body 5 through the main oil injection hole 85, the first oil injection hole 83 and the second oil injection hole 84 for lubrication, the friction resistance is reduced, the abrasion of the guide sleeve body 5 is reduced, after the abrasion ring 82 is used for a long time, when the abrasion is large and the sealing effect cannot be ensured, the guide sleeve body 5 can be disassembled through the fixing device 4, and then the abrasion ring 82 and the sealing ring group 3 are replaced, fastening bolt 45 is unscrewed, fixing rod 43 is taken down from fixed cover 42 and slot 41 and the dismantlement of fixing device 4 can be accomplished, then can dismantle the change to wear ring 82 through the bolt, need not change whole uide bushing body 5, has practiced thrift the resource, has reduced manufacturing cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a uide bushing of hydraulic cylinder, includes cylinder body (1), its characterized in that: one end of the cylinder body (1) is provided with a fixing device (4), the cylinder body (1) is fixedly provided with a guide sleeve body (5) through the fixing device (4), an anti-abrasion device (8) is embedded in the middle of one end of the guide sleeve body (5), a buffer device (2) is embedded in the position, close to the anti-abrasion device (8), of one end of the guide sleeve body (5), the buffer device (2) comprises a mounting groove (21) formed in one end of the guide sleeve body (5), a limiting column (22) is fixedly installed at one end inside the mounting groove (21), a spring (23) is arranged at the position, close to the limiting column (22), of one end inside the mounting groove (21), and a buffer rubber column (24) is fixedly installed at one end of the spring (23);
wear prevention device (8) set up in casing (81) of uide bushing body (5) one end including the embedding, casing (81) intermediate position embedding is installed wear ring (82), the position that casing (81) one end is close to wear ring (82) is that the annular has evenly seted up four main oil filler point (85), casing (81) inside runs through with main oil filler point (85) hookup location and is provided with a plurality of first oil filler points (83), wear ring (82) surface corresponds the position of first oil filler point (83) and runs through and has seted up second oil filler point (84).
2. The guide sleeve of the hydraulic oil cylinder as claimed in claim 1, characterized in that: the position embedding that the one end of casing (81) is close to main oil filler point (85) is provided with filter equipment (9), filter equipment (9) are including setting up in mounting panel (91) of main oil filler point (85) border position, the one end of mounting panel (91) is provided with installation shell (92), inside installation shell (92) embedding casing (81), the inside one end of installation shell (92) is provided with first filter screen (93), the inside position that is close to first filter screen (93) of installation shell (92) is provided with second filter screen (94).
3. The guide sleeve of the hydraulic oil cylinder as claimed in claim 1, characterized in that: fixing device (4) including offering slot (41) on uide bushing body (5) and offering fixed cover (42) on cylinder body (1), slot (41) and fixed cover (42) inside have cup jointed dead lever (43), the upper end of dead lever (43) is connected with diagonal draw foot (44) through the hinge rotation, the bottom of diagonal draw foot (44) is provided with fastening bolt (45) and is connected with cylinder body (1) surface fixed through fastening bolt (45).
4. The guide sleeve of the hydraulic oil cylinder as claimed in claim 1, characterized in that: the sealing device is characterized in that a sealing ring group (3) is arranged at the connecting position of the outer surface of the guide sleeve body (5) and the cylinder body (1), and a dustproof ring (6) is arranged at the middle position of the other end of the guide sleeve body (5).
5. The guide sleeve of the hydraulic oil cylinder as claimed in claim 1, characterized in that: one end of the wear ring (82) is annularly provided with four bolts, and the wear ring (82) is fixedly connected with the shell (81) through the bolts.
6. The guide sleeve of the hydraulic oil cylinder as claimed in claim 1, characterized in that: the diameter of the first oil filler hole (83) is the same as that of the second oil filler hole (84), and the diameter of the first oil filler hole (83) is smaller than that of the main oil filler hole (85).
CN202010635045.1A 2020-07-03 2020-07-03 Guide sleeve of hydraulic oil cylinder Withdrawn CN111911478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010635045.1A CN111911478A (en) 2020-07-03 2020-07-03 Guide sleeve of hydraulic oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010635045.1A CN111911478A (en) 2020-07-03 2020-07-03 Guide sleeve of hydraulic oil cylinder

Publications (1)

Publication Number Publication Date
CN111911478A true CN111911478A (en) 2020-11-10

Family

ID=73227362

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010635045.1A Withdrawn CN111911478A (en) 2020-07-03 2020-07-03 Guide sleeve of hydraulic oil cylinder

Country Status (1)

Country Link
CN (1) CN111911478A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321088A (en) * 2021-12-31 2022-04-12 山东福阳液压科技有限公司 Front-mounted dumper double-channel sealing hydraulic oil cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321088A (en) * 2021-12-31 2022-04-12 山东福阳液压科技有限公司 Front-mounted dumper double-channel sealing hydraulic oil cylinder
CN114321088B (en) * 2021-12-31 2024-02-23 山东福阳液压科技有限公司 Double-channel sealing hydraulic cylinder of front dump truck

Similar Documents

Publication Publication Date Title
CN103591012A (en) Sealing device capable of being adjusted automatically
CN111911478A (en) Guide sleeve of hydraulic oil cylinder
CN103920913B (en) A kind of technique cylinder cap for processing engine cylinder block bore and processing method
CN204511431U (en) Digging loader sealing floating bushing floating seal reciprocating impact device
CN101832393A (en) Vertical shaft centrifugal seal system
CN213711253U (en) Plunger pump
CN201575153U (en) Non-contact sealing device
CN217502264U (en) Novel garbage claw hydraulic cylinder pin shaft
CN112177087B (en) Piston guide structure for hydraulic breaking hammer and working method
CN211647972U (en) Rotary joint for horizontal directional drilling machine and horizontal directional drilling machine
CN208935384U (en) Subdivision non-contact labyrinth bearing isolating seal protection mechanism
CN100335856C (en) Hydraulic cylinder of rotary kiln
CN214945380U (en) Self-lubricating swing oil cylinder
CN210566289U (en) Plunger valve with high sealing performance
CN201129460Y (en) Dustproof type sealing means for main shaft of ball mill
CN111022431A (en) Sealing device of piston rod
CN2854228Y (en) Sealing device for driven shaft end of beam-pumping unit speed reducer
CN220792761U (en) Automatic lubrication device for travelling wheel shaft of coal mining machine
CN209324995U (en) A kind of belt wheel transmission component
CN217177406U (en) Combined sealed high-pressure-resistant oil seal
CN203560080U (en) Floating type sealing device
CN217501961U (en) Link mechanism and plunger pump
CN219754785U (en) Slide way hole protection device for reciprocating pump crankcase
CN220302744U (en) Combined sealing structure of pure water hydraulic support for coal mine
CN205401467U (en) Split type end cover

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20201110

WW01 Invention patent application withdrawn after publication