CN214404189U

CN214404189U - Forearm telescopic combined oil cylinder

Info

Publication number: CN214404189U
Application number: CN202120609550.9U
Authority: CN
Inventors: 侯志超; 张中卫; 朱亚峰; 李爱花
Original assignee: Jiaozuo Zhongde Hydraulic Machinery Co ltd
Current assignee: Jiaozuo Zhongde Hydraulic Machinery Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-15
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses a forearm combination cylinder that stretches out and draws back, including a protection section of thick bamboo and hydro-cylinder body, the hydro-cylinder body passes through the buffering subassembly and sets up in the inside of a protection section of thick bamboo, and the buffering subassembly includes two buffer sleeves that float, unsteady buffer beam and special-shaped cover, and two unsteady buffer sleeves establish respectively at the both ends of hydro-cylinder body, and the one end of one of them unsteady buffer sleeve and the middle part fixed connection of a protection section of thick bamboo inner wall one side, the fixed middle part that sets up at a protection section of thick bamboo inner wall opposite side of buffer beam, the one end of unsteady buffer beam contacts with the other end of hydro-cylinder body, and an pot head of unsteady buffer beam is equipped with the buffer block, the beneficial effects of the utility model are that: two floating buffer sleeves arranged in the buffer assembly are matched with the oil cylinder body, and are in contact with the floating buffer rod or the two floating buffer sleeves when the oil cylinder body is used, so that impact force brought when the oil cylinder body is used is buffered through interaction of the floating buffer rod and the floating buffer sleeves, and the service life of parts is prolonged while the impact force is reduced.

Description

Forearm telescopic combined oil cylinder

Technical Field

The utility model relates to a hydro-cylinder, in particular to forearm flexible combination hydro-cylinder belongs to hydro-cylinder technical field.

Background

The excavator has the operating mode characteristics such as frequency of use height, the functioning speed is fast, the excavator forearm hydro-cylinder is installed in the middle special position of single armed, and its both ends are connected with forearm and forearm respectively, current excavator forearm hydro-cylinder frequently and when reaching the longest end and the shortest end fast in work, degree of wear is higher when can produce very big impact force, reduce the life-span of spare part, and the article of the different shapes of not being convenient for are connected, the easy external greasy dirt that is corroded of outside of hydro-cylinder in addition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forearm combination hydro-cylinder that stretches out and draws back to current excavator forearm hydro-cylinder that proposes in solving above-mentioned background art can produce very big impact force at work, reduces the life-span of spare part, and the article of the different shapes of being not convenient for carry out the problem of connecting.

In order to achieve the above object, the utility model provides a following technical scheme: a small arm telescopic combined oil cylinder comprises a protective cylinder and an oil cylinder body, wherein the oil cylinder body is arranged inside the protective cylinder through a buffer assembly, the buffer assembly comprises two floating buffer sleeves, a floating buffer rod and a special-shaped cover, the two floating buffer sleeves are respectively sleeved at two ends of the oil cylinder body, one end of one floating buffer sleeve is fixedly connected with the middle part of one side of the inner wall of the protective cylinder, the floating buffer rod is fixedly arranged at the middle part of the other side of the inner wall of the protective cylinder, one end of the floating buffer rod is contacted with the other end of the oil cylinder body, one end of the floating buffer rod is sleeved with a buffer block, the buffer block is contacted with the other floating buffer sleeve, the special-shaped cover is fixedly arranged at the middle part of one side of the protective cylinder, one side of the inner wall of the special-shaped cover is equidistantly provided with a plurality of elastic blocks with different shapes, the other side of the inner wall of the special-shaped cover is equidistantly provided with a plurality of buffer springs, one end of each buffer spring is fixedly connected with one end of each elastic block, the shape of each special-shaped cover is matched with the shape of one end of the corresponding oil cylinder body, and the middle of the other side of each protection cylinder is provided with a connecting block through an installation assembly.

As a preferred technical scheme of the utility model, the installation component include the mounting groove the installation component includes mounting groove, installation piece and two fixed plates, the fixed middle part that sets up at the protection section of thick bamboo opposite side of mounting groove, the fixed inside that alternates and set up the protection section of thick bamboo of installation piece.

As an optimal technical scheme of the utility model, the one end of installation piece and the middle part fixed connection of connecting block one end.

As a preferred technical scheme of the utility model, the top and the bottom of mounting groove are equipped with two fixed plates, two through two screw difference fixings one side of fixed plate respectively with the top and the bottom fixed connection of protection section of thick bamboo opposite side through two bolts.

As an optimal technical scheme of the utility model, the external fixation of hydro-cylinder body is equipped with the abrasionproof layer, the external fixation of a protection section of thick bamboo is equipped with the anticorrosive coating.

As an optimal technical scheme of the utility model, the abrasionproof layer is made for super high molecular polyethylene antifriction plate material, the anticorrosive coating is made for the epoxy material, the special-shaped cover is made for the rubber material.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a forearm flexible combination hydro-cylinder, two unsteady cushion bushes that set up through the buffering subassembly cooperate with the hydro-cylinder body, contact with unsteady buffer beam or two unsteady cushion bushes when the hydro-cylinder body uses, the impact force that brings when making the use cushions through its interact, improve the life of part when reducing the impact force, cooperate with the installation piece through the mounting groove, be convenient for change the connecting block of different shapes, through the abrasionproof layer reduction degree of wear that sets up when using, the anticorrosive coating through setting up is convenient for reduce the corruption of external greasy dirt to the hydro-cylinder.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a protective cylinder; 2. an oil cylinder body; 3. a buffer assembly; 31. a floating buffer sleeve; 32. a floating buffer rod; 33. a buffer block; 34. a special-shaped cover; 35. an elastic block; 36. a buffer spring; 4. mounting the component; 41. mounting grooves; 42. mounting blocks; 43. a fixing plate; 44. a bolt; 5. an anti-wear layer; 6. an anticorrosive layer; 7. and (4) connecting the blocks.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a forearm telescopic combined cylinder, which comprises a protection cylinder 1 and a cylinder body 2, wherein the cylinder body 2 is disposed inside the protection cylinder 1 through a buffer assembly 3, the buffer assembly 3 comprises two floating buffer sleeves 31, a floating buffer rod 32 and a special-shaped cover 34, the two floating buffer sleeves 31 are respectively sleeved at two ends of the cylinder body 2, one end of one floating buffer sleeve 31 is fixedly connected with the middle part of one side of the inner wall of the protection cylinder 1, the floating buffer rod 32 is fixedly disposed at the middle part of the other side of the inner wall of the protection cylinder 1, one end of the floating buffer rod 32 is in contact with the other end of the cylinder body 2, one end of the floating buffer rod 32 is sleeved with a buffer block 33, the buffer block 33 is in contact with the other floating buffer sleeve 31, the special-shaped cover 34 is fixedly disposed at the middle part of one side of the protection cylinder 1, one side of the inner wall of the special-shaped cover 34 is provided with a plurality of elastic blocks 35 with different shapes at equal intervals, the opposite side of the 34 inner walls of abnormal shape cover is equidistant to be equipped with a plurality of buffer spring 36, the one end of a plurality of buffer spring 36 respectively with the one end fixed connection of a plurality of elastic block 35, the shape of abnormal shape cover 34 and the shape phase-match of 2 one ends of hydro-cylinder body are convenient for reduce the impact force, the buffering of being convenient for, the middle part of protection section of thick bamboo 1 opposite side is equipped with connecting block 7 through installation component 4.

Preferably, the installation component 4 comprises an installation groove 41, an installation block 42 and two fixing plates 43, the installation groove 41 is fixedly arranged in the middle of the other side of the protection cylinder 1, the installation block 42 is fixedly inserted into the protection cylinder 1, one end of the installation block 42 is fixedly connected with the middle of one end of the connecting block 7, and is convenient to install, the top and the bottom of the installation groove 41 are respectively fixedly provided with the two fixing plates 43 through two screws, one side of each fixing plate 43 is fixedly connected with the top and the bottom of the other side of the protection cylinder 1 through two bolts 44, and is convenient to fix the connecting block 7, the outer part of the cylinder body 2 is fixedly provided with an anti-abrasion layer 5, and is convenient to prevent corrosion, the anti-abrasion layer 5 is made of ultra-high molecular polyethylene anti-abrasion plate, and has the properties of abrasion resistance, impact resistance, corrosion resistance, self-lubrication and impact energy absorption, reduce the degree of wear, improve life, anticorrosive coating 6 is made for the epoxy material, is convenient for reduce the corruption of external greasy dirt to the hydro-cylinder, and abnormal shape cover 34 is made for the rubber material.

When in specific use, the utility model relates to a forearm telescopic combined oil cylinder, firstly, the buffer component 3 is placed at a corresponding working position, then whether each part of the installation component 4 works normally or not is checked to be used, the buffer component is matched with the oil cylinder body 2 through the two floating buffer sleeves 31 arranged in the buffer component 3, when the oil cylinder body 2 is used, the buffer component is contacted with the floating buffer rod 32 or the two floating buffer sleeves 31, the impact force brought in use is buffered through the interaction of the buffer component, the oil cylinder body 2 is buffered in use through the mutual matching of the special-shaped cover 34 and the elastic block 35 and the buffer spring 36, the service life of parts is prolonged while the impact force is reduced, the connecting blocks 7 with different shapes are convenient to be replaced through the matching of the installation groove 41 and the installation block 42, when in use, the wear-proof layer 5 is made of materials, the material has the performances of wear resistance, impact resistance, corrosion resistance, self-lubrication and impact energy absorption, reduces the degree of wear, prolongs the service life, and is convenient for reducing the corrosion of external oil stains to the oil cylinder through the arranged anticorrosive coating 6.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. The utility model provides a forearm telescopic combined oil cylinder, includes a protection section of thick bamboo (1) and hydro-cylinder body (2), its characterized in that, hydro-cylinder body (2) set up in the inside of a protection section of thick bamboo (1) through buffering subassembly (3), buffering subassembly (3) include two buffer sleeves (31), buffer beam (32) and special-shaped cover (34) float, two buffer sleeve (31) float is established respectively at the both ends of hydro-cylinder body (2), one of them the middle part fixed connection of one end and the protection section of thick bamboo (1) inner wall one side of buffer sleeve (31) floats, the fixed middle part that sets up at protection section of thick bamboo (1) inner wall opposite side of buffer beam (32) floats, the one end of buffer beam (32) and the other end of hydro-cylinder body (2) contact, the pot head of buffer beam (32) floats is equipped with buffer block (33), buffer block (33) and another buffer sleeve (31) that floats contact, the fixed middle part that sets up in protection section of thick bamboo (1) one side of special-shaped cover (34), one side equidistant of special-shaped cover (34) inner wall is equipped with elastic block (35) that a plurality of shape differs, the opposite side equidistant of special-shaped cover (34) inner wall is equipped with a plurality of buffer spring (36), a plurality of the one end of buffer spring (36) respectively with the one end fixed connection of a plurality of elastic block (35), the shape of special-shaped cover (34) and the shape phase-match of hydro-cylinder body (2) one end, the middle part of protection section of thick bamboo (1) opposite side is equipped with connecting block (7) through installation component (4).

2. The small arm telescopic combined oil cylinder according to claim 1, characterized in that: installation component (4) include mounting groove (41), installation piece (42) and two fixed plates (43), the fixed middle part that sets up at protection section of thick bamboo (1) opposite side of mounting groove (41), the fixed inside that sets up protection section of thick bamboo (1) that alternates of installation piece (42).

3. The small arm telescopic combined oil cylinder according to claim 2, characterized in that: one end of the mounting block (42) is fixedly connected with the middle part of one end of the connecting block (7).

4. The small arm telescopic combined oil cylinder according to claim 3, characterized in that: the top and the bottom of mounting groove (41) are equipped with two fixed plates (43) through two screws are fixed respectively, two one side of fixed plate (43) is through two bolt (44) respectively with the top and the bottom fixed connection of protection section of thick bamboo (1) opposite side.

5. The small arm telescopic combined oil cylinder according to claim 1, characterized in that: the outer fixing of hydro-cylinder body (2) is equipped with abrasionproof layer (5), the outer fixing of protection section of thick bamboo (1) is equipped with anticorrosive coating (6).

6. The small arm telescopic combined oil cylinder according to claim 5, characterized in that: the wear-resistant layer (5) is made of an ultra-high molecular weight polyethylene wear-resistant plate material, the anticorrosive layer (6) is made of an epoxy resin material, and the special-shaped cover (34) is made of a rubber material.