CN214304647U

CN214304647U - Limiting device of hydraulic oil cylinder

Info

Publication number: CN214304647U
Application number: CN202022574246.3U
Authority: CN
Inventors: 沈子勋
Original assignee: Wuxi Yiyuan Hydraulic Machinery Co ltd
Current assignee: Wuxi Yiyuan Hydraulic Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-09-28
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a stop device of hydraulic cylinder, including the cylinder, the inside slidable mounting of cylinder has the piston rod, and the surface both sides position of cylinder has all welded the lantern ring, the lower fixed surface of the lantern ring installs spacing seat, and the lower surface intermediate position fixed mounting of spacing seat has a stand, and is two sets of the welding has the bottom plate between the lower extreme position of stand, the sliding sleeve has all been welded to the upper surface front and back edge intermediate position of bottom plate, and slidable mounting has the post of inserting between the upper and lower surface position of sliding sleeve, the cavity has all been seted up to the lower surface front and back position of bottom plate, is located one side the pipe box has all been welded to the surface intermediate position around the lantern ring. The utility model discloses in, stop device realizes fixedly through applying the adsorption for the stop device installation is firm, improves the reliable performance of hydraulic cylinder operation, simultaneously, is equipped with the clamping bar structure and carries on spacingly to the hydraulic drive orbit, improves straight reciprocating motion's accuracy.

Description

Limiting device of hydraulic oil cylinder

Technical Field

The utility model relates to a spacing technical field of hydro-cylinder especially relates to a stop device of hydraulic cylinder.

Background

Hydraulic cylinder during operation changes hydraulic energy into mechanical energy, do linear reciprocating motion or swing motion, at various engineering machine tools, trade applications such as boats and ships and lathe are comparatively common, for ensuring transmission precision, it uses to need to assemble stop device, traditional stop device is when using, can not realize fixing through exerting the adsorption, influence the fastness of stop device installation, can not improve the reliable performance of hydraulic cylinder operation, and simultaneously, it is spacing not to carry out hydraulic drive orbit, reduce linear reciprocating motion's accuracy, stop device's use has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a limiting device of a hydraulic oil cylinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a limiting device of a hydraulic cylinder comprises a cylinder barrel, wherein a piston rod is slidably mounted inside the cylinder barrel, lantern rings are welded on two sides of the outer surface of the cylinder barrel, a limiting seat is fixedly mounted on the lower surface of each lantern ring, stand columns are fixedly mounted at the middle positions of the lower surfaces of the limiting seat, a bottom plate is welded between the lower end positions of the two sets of stand columns, sliding sleeves are welded at the middle positions of the front and rear edges of the upper surface of the bottom plate, inserting columns are slidably mounted between the upper surface and the lower surface of each sliding sleeve, cavities are formed in the front and rear positions of the lower surface of the bottom plate, suckers are fixedly sleeved at the lower ends of the inserting columns, pipe sleeves are welded at the middle positions of the front and rear surfaces of the lantern rings on one side, the lantern rings are provided with supporting rods through the pipe sleeves, the two sets of the supporting rods are symmetrically distributed by taking the longitudinal axis of the piston rod as the center, the supporting rods are of an L-shaped structure, and a fixing rod is perpendicularly welded at one end of the supporting rods, which is far away from the pipe sleeves, and the two groups of fixing rods are fixedly provided with clamping plates at the ends close to each other, and the piston rods are slidably arranged between the two groups of clamping plates.

Preferably, the both ends of cylinder are solid construction, and the perpendicular activity through connection of one end of piston rod is in a lateral wall intermediate position of cylinder, and is two sets of the lantern ring horizontal distribution, and the lantern ring sets up with the cylinder is perpendicular.

Preferably, the bottom plate is arranged below the re-cylinder barrel in parallel, and the upright posts and the bottom plate are arranged vertically.

Preferably, the cavity corresponds to the sliding sleeve, the lower end of the inserting column is movably arranged in the cavity through the bottom plate, the inserting column is vertically movably connected with the bottom plate in a penetrating manner, and the longitudinal section of the inserting column is in a T shape.

Preferably, the sucking disc is the silica gel material, and sucking disc movable mounting is in the inside of cavity.

Preferably, the strut is fixedly connected with the pipe sleeve.

Preferably, a piston sleeve is filled between the support rod and the pipe sleeve, the piston sleeve is sleeved on the outer surface of the support rod in a threaded manner, and the support rod is movably connected with the pipe sleeve through the piston sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the sucker is extruded out along the cavity by vertically screwing in and screwing out the inserting column which is positioned and installed in the sliding sleeve, so that the fixing is realized by applying the adsorption effect, the limiting device is firmly installed, and the running reliability of the hydraulic oil cylinder is improved;

2. in the utility model, the clamping rod structure is formed by combining the support rod and the fixed rod which are installed in a guiding way by the pipe sleeve, so that the movable assembly of the chuck plate on the piston rod is realized, thereby limiting the hydraulic driving track and improving the accuracy of the linear reciprocating motion;

to sum up, stop device realizes fixing through applying the adsorption for stop device installation is firm, improves the reliable performance of hydraulic cylinder operation, and simultaneously, it is spacing to be equipped with the clamping bar structure to hydraulic drive orbit, improves linear reciprocating motion's accuracy.

Drawings

Fig. 1 is a top view of a first embodiment a of a limiting device of a hydraulic cylinder according to the present invention;

fig. 2 is a schematic structural view of a limiting device of a hydraulic cylinder according to the present invention;

fig. 3 is a side view of a limiting device of a hydraulic cylinder according to the present invention;

fig. 4 is a top view of a second embodiment a of the limiting device of the hydraulic cylinder according to the present invention.

In the figure: 1 cylinder barrel, 2 piston rods, 3 lantern rings, 4 limiting seats, 5 upright posts, 6 bottom plates, 7 sliding sleeves, 8 cavities, 9 inserting posts, 10 suckers, 11 pipe sleeves, 12 supporting rods, 13 fixing rods, 14 chucks and 15 piston sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a limiting device of a hydraulic cylinder comprises a cylinder barrel 1, a piston rod 2 is slidably mounted inside the cylinder barrel 1, lantern rings 3 are welded at two sides of the outer surface of the cylinder barrel 1, a limiting seat 4 is fixedly mounted on the lower surface of the lantern ring 3, upright posts 5 are fixedly mounted at the middle position of the lower surface of the limiting seat 4, a bottom plate 6 is welded between the lower end positions of the two sets of upright posts 5, a sliding sleeve 7 is welded at the middle position of the front and rear edges of the upper surface of the bottom plate 6, an insert post 9 is slidably mounted between the upper and lower surface positions of the sliding sleeve 7, a cavity 8 is formed at the front and rear positions of the lower surface of the bottom plate 6, a sucker 10 is fixedly sleeved at the lower end of the insert post 9, pipe sleeves 11 are welded at the middle positions of the front and rear surfaces of the lantern ring 3 at one side, a support rod 12 is arranged on the lantern ring 3 through the pipe sleeves 11, and the two sets of support rods 12 are symmetrically distributed by taking the longitudinal axis of the piston rod 2 as the center, and the supporting rod 12 is of an L-shaped structure, one end of the supporting rod 12 far away from the pipe sleeve 11 is vertically welded with a fixing rod 13, one ends of the two groups of fixing rods 13 close to each other are fixedly provided with clamping chucks 14, and the piston rod 2 is slidably arranged between the two groups of clamping chucks 14.

The both ends of cylinder 1 are solid construction, and the perpendicular activity through connection in a lateral wall intermediate position of cylinder 1 of one end of

piston rod

2, 3 horizontal distribution of two sets of lantern rings, and lantern ring 3 and cylinder 1 set up perpendicularly, the below of cylinder 1 again of 6 parallel arrangement of bottom plate, and stand 5 and 6 perpendicular settings of bottom plate, cavity 8 and sliding sleeve 7 are corresponding, and insert the lower extreme of post 9 and pass through 6 movable mounting in the inside of cavity 8 of bottom plate, insert post 9 and 6 perpendicular activity through connection of bottom plate, and insert the longitudinal section shape of post 9 and be T shape, sucking disc 10 is the silica gel material, and sucking disc 10 movable mounting is in the inside of cavity 8, branch 12 and pipe box 11 fixed connection.

Example two

Referring to fig. 2-4, a limiting device of a hydraulic cylinder comprises a cylinder barrel 1, a piston rod 2 is slidably mounted inside the cylinder barrel 1, lantern rings 3 are welded at two sides of the outer surface of the cylinder barrel 1, a limiting seat 4 is fixedly mounted on the lower surface of the lantern ring 3, upright posts 5 are fixedly mounted at the middle position of the lower surface of the limiting seat 4, a bottom plate 6 is welded between the lower end positions of the two sets of upright posts 5, a sliding sleeve 7 is welded at the middle position of the front and rear edges of the upper surface of the bottom plate 6, an insert post 9 is slidably mounted between the upper and lower surface positions of the sliding sleeve 7, a cavity 8 is formed at the front and rear positions of the lower surface of the bottom plate 6, a sucker 10 is fixedly sleeved at the lower end of the insert post 9, pipe sleeves 11 are welded at the middle positions of the front and rear surfaces of the lantern ring 3 at one side, a support rod 12 is arranged on the lantern ring 3 through the pipe sleeves 11, and the two sets of support rods 12 are symmetrically distributed by taking the longitudinal axis of the piston rod 2 as the center, and the supporting rod 12 is of an L-shaped structure, one end of the supporting rod 12 far away from the pipe sleeve 11 is vertically welded with a fixing rod 13, one ends of the two groups of fixing rods 13 close to each other are fixedly provided with clamping chucks 14, and the piston rod 2 is slidably arranged between the two groups of clamping chucks 14.

The two ends of the cylinder barrel 1 are both solid structures, one end of the piston rod 2 is vertically movably connected to the middle position of one side wall of the cylinder barrel 1 in a penetrating way, two groups of lantern rings 3 are horizontally distributed, the lantern rings 3 and the cylinder barrel 1 are vertically arranged, the bottom plate 6 is arranged in parallel and below the cylinder barrel 1, the upright post 5 and the bottom plate 6 are vertically arranged, the cavity 8 corresponds to the sliding sleeve 7, the lower end of the inserted column 9 is movably arranged in the cavity 8 through the bottom plate 6, the inserted column 9 and the bottom plate 6 are vertically movably connected in a penetrating way, the longitudinal section of the inserted column 9 is in a T shape, the sucker 10 is made of silica gel, the sucker 10 is movably arranged in the cavity 8, a piston sleeve 15 is filled between the supporting rod 12 and the pipe sleeve 11, the supporting rod 12 and the fixed rod 13 which are guided and arranged by the pipe sleeve 11 are combined into a clamping rod structure, the movable assembly of the chuck 14 on the piston rod 2 is realized, thereby limiting the hydraulic driving track and improving the accuracy of linear reciprocating motion, and the piston sleeve 15 is sleeved on the outer surface of the support rod 12 in a threaded manner, and the support rod 12 is movably connected with the pipe sleeve 11 through the piston sleeve 15.

The working principle is as follows: the cylinder barrel 1 and the piston rod 2 are combined into a hydraulic oil cylinder structure, the piston rod 2 is driven to reciprocate through the change of the sealed volume in the cylinder barrel 1, the lantern ring 3 is used as a base body and provides a connecting support with the limiting device, the limiting seat 4 and the bottom plate 6 installed by the upright post 5 are combined into a limiting frame body and provides an installation support of the hydraulic oil cylinder structure on an operating platform, the inserted post 9 which is installed in the sliding sleeve 7 in a positioning way is vertically screwed in and out to extrude the sucker 10 out along the cavity 8, thereby realizing the fixation through exerting the adsorption effect, leading the limiting device to be firmly installed, improving the reliability of the operation of the hydraulic oil cylinder, the support rod 12 and the fixed rod 13 which are installed in a guiding way by the pipe sleeve 11 are combined into a clamping rod structure, realizing the movable assembly of the chuck plate 14 on the piston rod 2, thereby limiting the hydraulic driving track, improving the accuracy of the linear reciprocating motion, the piston sleeve 15 is filled between the pipe sleeve 11 and the support rod 12 through threaded connection, make local limit structure can dismantle and the elasticity of adjustable centre gripping, the utility model discloses in, stop device realizes fixing through applying the adsorption for stop device installation is firm, improves the reliable performance of hydraulic cylinder operation, and simultaneously, it is spacing to be equipped with the clamping bar structure and carries out hydraulic drive orbit, improves straight reciprocating motion's accuracy.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The limiting device of the hydraulic oil cylinder comprises a cylinder barrel (1) and is characterized in that a piston rod (2) is slidably mounted inside the cylinder barrel (1), lantern rings (3) are welded on two sides of the outer surface of the cylinder barrel (1), limiting seats (4) are fixedly mounted on the lower surface of the lantern rings (3), stand columns (5) are fixedly mounted on the middle positions of the lower surfaces of the limiting seats (4), a bottom plate (6) is welded between the lower end positions of the two sets of stand columns (5), sliding sleeves (7) are welded on the middle positions of the front and rear edges of the upper surface of the bottom plate (6), inserting columns (9) are slidably mounted between the upper surface and the lower surface of the sliding sleeves (7), cavities (8) are formed in the front and rear positions of the lower surface of the bottom plate (6), suckers (10) are fixedly connected to the lower ends of the inserting columns (9), pipe sleeves (11) are welded on the middle positions of the front and rear surfaces of the lantern rings (3) on one side, and the lantern ring (3) is provided with branch (12), two sets of through pipe box (11) branch (12) use the longitudinal axis of piston rod (2) as central symmetry distribution, and branch (12) are L type structure, the one end vertical welding that pipe box (11) was kept away from in branch (12) has dead lever (13), and is two sets of the equal fixed mounting in one end that dead lever (13) are close to each other has (holding) chuck (14), and piston rod (2) slidable mounting is two sets of between (holding) chuck (14).

2. The limiting device of the hydraulic oil cylinder according to claim 1, wherein two ends of the cylinder barrel (1) are both solid structures, one end of the piston rod (2) is vertically movably connected to the middle position of one side wall of the cylinder barrel (1) in a penetrating mode, the two groups of lantern rings (3) are horizontally distributed, and the lantern rings (3) and the cylinder barrel (1) are vertically arranged.

3. The limiting device of a hydraulic oil cylinder according to claim 1, characterized in that the bottom plate (6) is arranged in parallel below the re-cylinder barrel (1), and the upright column (5) and the bottom plate (6) are arranged vertically.

4. The limiting device of the hydraulic oil cylinder according to claim 1, wherein the cavity (8) corresponds to the sliding sleeve (7), the lower end of the inserting column (9) is movably installed inside the cavity (8) through the bottom plate (6), the inserting column (9) is vertically movably connected with the bottom plate (6) in a penetrating mode, and the longitudinal section of the inserting column (9) is T-shaped.

5. The limiting device of a hydraulic cylinder according to claim 1, wherein the suction cup (10) is made of silica gel, and the suction cup (10) is movably arranged inside the cavity (8).

6. A hydraulic cylinder stop device according to claim 1, characterised in that the strut (12) is fixedly connected to the sleeve (11).

7. The limiting device of the hydraulic cylinder according to claim 1, wherein a piston sleeve (15) is filled between the support rod (12) and the pipe sleeve (11), the piston sleeve (15) is sleeved on the outer surface of the support rod (12) in a threaded manner, and the support rod (12) is movably connected with the pipe sleeve (11) through the piston sleeve (15).