CN218716906U

CN218716906U - Hydraulic double-telescopic bracket

Info

Publication number: CN218716906U
Application number: CN202222847247.XU
Authority: CN
Inventors: 杨杰; 殷森; 杨红; 郭玉广; 董承; 李泽政; 李冬; 刘昺; 任川; 王杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-24
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a two telescopic bracket technical field of hydraulic pressure specifically is a two telescopic bracket of hydraulic pressure, the on-line screen storage device comprises a base, the upside of base is provided with the roof, and installs the telescopic link between roof and the base, the surface cover of telescopic link is equipped with the safety cover, and the surface cover of safety cover establishes first stop collar and second stop collar, downside the circular array in upper end of first stop collar and second stop collar is connected with the connecting rod, and the upper end of connecting rod has seted up first movable groove. The utility model discloses a set up the safety cover for can protect the hydraulic stem, avoid having dust or stone to fall into the gap between the telescopic link, thereby influence or damage hydraulic support, simultaneously, through setting up connecting rod, first movable rod and second movable rod, can protect the safety cover, reduce the safety cover and hit broken by great sharp stone, greatly increased the life of safety cover, greatly increased the device's practicality.

Description

Hydraulic double-telescopic bracket

Technical Field

The utility model relates to a two telescopic bracket technical field of hydraulic pressure specifically are a two telescopic bracket of hydraulic pressure.

Background

The hydraulic double-telescopic bracket is a structure for controlling the mine pressure of a coal face, the mine pressure of the coal face acts on the hydraulic bracket in an external load mode, in a mechanical system of interaction of the hydraulic bracket and surrounding rocks of the coal face, if the resultant force of all supporting pieces of the hydraulic bracket and the resultant force of the external load of a top plate acting on the hydraulic bracket are exactly in the same straight line, the hydraulic bracket is quite suitable for the surrounding rocks of the coal face, most of the existing hydraulic brackets do not protect a lifting and contracting rod when in use, and when dust or small stones fall down and fall into a gap between the lifting and contracting rods, the use and even damage of the hydraulic bracket can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two telescopic bracket of hydraulic pressure to solve present most of hydraulic support that propose among the above-mentioned background art and do not protect the liter shrink pole when using, drop down when dust or small stone etc. fall into the gap between the liter shrink pole, then probably can influence hydraulic support's use problem of damaging even.

In order to achieve the above purpose, the utility model provides a following technical scheme: a hydraulic double-telescopic bracket comprises a base, wherein a top plate is arranged on the upper side of the base, and a telescopic rod is arranged between the top plate and the base;

the safety cover, the surface cover of telescopic link is equipped with the safety cover, and the surface cover of safety cover establishes first stop collar and second stop collar, downside the circular array in upper end of first stop collar and second stop collar is connected with the connecting rod, and the upper end of connecting rod has seted up first movable groove to first movable inslot movable mounting has first movable rod, the second movable groove has been seted up to the upper end of first movable rod, and second movable inslot movable mounting has the second movable rod to the upper end of second movable rod is connected with the first stop collar and the second stop collar of upside, first movable rod is connected with the first stop collar and the second stop collar of intermediate position.

Preferably, the first limiting sleeve is hinged to the second limiting sleeve, one end of the first limiting sleeve and one end of the second limiting sleeve are connected with a connecting sleeve, a bolt is transversely inserted into the middle of the connecting sleeve, and a nut is sleeved on the front side of the bolt in a threaded manner.

Preferably, the first limiting sleeve and the second limiting sleeve are both semicircular, and the first limiting sleeve and the second limiting sleeve can be spliced into a circle.

Preferably, the outer diameters of the connecting rod, the first movable rod and the second movable rod are sequentially decreased progressively.

Preferably, the outer diameters of the first movable rod and the second movable rod are respectively matched with the inner diameters of the first movable groove and the second movable groove.

Preferably, a gasket is arranged at the joint of one end of the bolt and the outer wall of the connecting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses, through setting up the safety cover, make can protect the hydraulic stem, avoid there being dust or stone to fall into the gap between the telescopic link, thereby influence or damage the hydraulic support, simultaneously, through setting up connecting rod, first movable rod and second movable rod, can protect the safety cover, reduce the safety cover and be hit by great sharp stone and break, greatly increased the life of safety cover, in addition, through setting up first stop collar and second stop collar, can install the safety cover fixedly, also be convenient for connecting rod, first movable rod and second movable rod can dismantle when damaging and change, greatly increased the practicality of the device;

description of the 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the structure of the present invention;

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

FIG. 3 is a schematic view of the structure of the present invention;

fig. 4 is a partially enlarged schematic view of a in fig. 3 according to the present invention.

In the figure: 1. a base; 2. a top plate; 3. a telescopic rod; 4. a protective cover; 5. a first stop collar; 6. a second stop collar; 7. a connecting rod; 8. a first movable slot; 9. a first movable bar; 10. a second movable slot; 11. a second movable bar; 12. connecting sleeves; 13. a bolt; 14. and a nut.

The specific implementation mode is as follows:

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. 1-4, the present invention provides an embodiment: a hydraulic double-telescopic bracket comprises a base 1, wherein a top plate 2 is arranged on the upper side of the base 1, and a telescopic rod 3 is arranged between the top plate 2 and the base 1;

the protection cover 4 is sleeved on the surface of the telescopic rod 3, the surface of the protection cover 4 is sleeved with a first limiting sleeve 5 and a second limiting sleeve 6, the upper ends of the first limiting sleeve 5 and the second limiting sleeve 6 on the lower side are connected with a connecting rod 7 in a circular array mode, the upper end of the connecting rod 7 is provided with a first movable groove 8, a first movable rod 9 is movably installed in the first movable groove 8, the upper end of the first movable rod 9 is provided with a second movable groove 10, a second movable rod 11 is movably installed in the second movable groove 10, the upper end of the second movable rod 11 is connected with the first limiting sleeve 5 and the second limiting sleeve 6 on the upper side, and the first movable rod 9 is connected with the first limiting sleeve 5 and the second limiting sleeve 6 at the middle positions, as shown in figure 2, the structure enables the protection cover 4 to be capable of lifting and protecting the protection cover 4, the service life of the protection cover 4 is greatly prolonged, and the practicability of the protection cover 4 is greatly improved;

further, first stop collar 5 is articulated mutually with second stop collar 6, and the one end of first stop collar 5 and second stop collar 6 is connected with adapter sleeve 12 to transversely insert in the middle of adapter sleeve 12 and be equipped with bolt 13, and the threaded cover in front of bolt 13 is equipped with nut 14, and as shown in fig. 3, this structure makes and to dismantle the change to first movable groove 8, first movable rod 9 and second movable rod 11, in order to guarantee its protective force.

Further, first stop collar 5 and second stop collar 6 are the semicircle ring-type, and first stop collar 5 and second stop collar 6 can splice into a circular, as shown in fig. 3, this structure makes can install safety cover 4 fixed, also laminates the cylinder surface of telescopic link 3 and safety cover 4 more.

Further, the external diameter of connecting rod 7, first movable rod 9 and second movable rod 11 decreases progressively in proper order, as shown in fig. 2, this structure makes connecting rod 7, first movable rod 9 and second movable rod 11 can form the loop bar, protects telescopic link 3 and safety cover 4 when not influencing telescopic link 3 work.

Furthermore, the outer diameters of the first movable rod 9 and the second movable rod 11 are respectively matched with the inner diameters of the first movable groove 8 and the second movable groove 10, as shown in fig. 2, the structure enables the first movable rod 9 and the second movable rod 11 to slide more stably and not to shake or fall off easily.

Furthermore, a gasket is arranged at the joint of one end of the bolt 13 and the outer wall of the connecting sleeve 12, as shown in fig. 4, the structure can reduce the friction loss of the bolt 13, and greatly prolong the service life of the bolt 13.

The working principle is as follows: when the telescopic link 3 of two telescopic brackets of hydraulic pressure protects, only need to overlap safety cover 4 on the surface of telescopic link 3, as fig. 2, connecting rod 7 is being taken with first stop collar 5 and second stop collar 6 even, first movable rod 9 and the 11 covers of second movable rod are established on the surface of safety cover 4, then insert bolt 13 in establishing the round hole of adapter sleeve 12, rethread nut 14 threaded sleeve is established in one side of bolt 13 and is rotated and make it fixed, as shown in fig. 4, alright fix safety cover 4, also can protect safety cover 4, after the installation, when telescopic link 3 is worked, first movable rod 9 and second movable rod 11 can slide in first movable groove 8 and second movable groove 10 along with telescopic link 3's activity, as shown in fig. 2 and fig. 3, thereby make can not influence telescopic link 3's work when can protecting telescopic link 3 and safety cover 4, the practicality of the device has greatly increased, in addition, when connecting rod 7, first movable rod 9 and second movable rod 11 are damaged by needs to be changed, only need to take bolt 14 again to take the work of telescopic link 3 and the principle of bolt 13, the convenience of change of this device more than this second stop collar, the principle of the convenience is greatly increased more than this utility model.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A hydraulic dual telescoping support comprising:

the device comprises a base (1), wherein a top plate (2) is arranged on the upper side of the base (1), and a telescopic rod (3) is arranged between the top plate (2) and the base (1);

the method is characterized in that:

protective cover (4), the surface cover of telescopic link (3) is equipped with protective cover (4), and the surface cover of protective cover (4) establishes first stop collar (5) and second stop collar (6), downside the circular array in upper end of first stop collar (5) and second stop collar (6) is connected with connecting rod (7), and the upper end of connecting rod (7) has seted up first movable groove (8), and movable mounting has first movable rod (9) in first movable groove (8), second movable groove (10) have been seted up to the upper end of first movable rod (9), and movable mounting has second movable rod (11) in second movable groove (10) to the upper end of second movable rod (11) is connected with first stop collar (5) and second stop collar (6) of upside, first movable rod (9) are connected with the first stop collar (5) and the second stop collar (6) of intermediate position.

2. A hydraulic dual telescoping support as in claim 1, wherein: first stop collar (5) and second stop collar (6) are articulated mutually, and the one end of first stop collar (5) and second stop collar (6) is connected with adapter sleeve (12) to transversely insert in the middle of adapter sleeve (12) and be equipped with bolt (13), the front side thread bush of bolt (13) is equipped with nut (14).

3. A hydraulic dual telescoping support as in claim 1, wherein: the first limiting sleeve (5) and the second limiting sleeve (6) are both semicircular and annular, and the first limiting sleeve (5) and the second limiting sleeve (6) can be spliced into a circle.

4. A hydraulic dual telescoping support as in claim 1, wherein: the outer diameters of the connecting rod (7), the first movable rod (9) and the second movable rod (11) are sequentially decreased progressively.

5. A hydraulic dual telescoping support as in claim 1, wherein: the outer diameters of the first movable rod (9) and the second movable rod (11) are respectively matched with the inner diameters of the first movable groove (8) and the second movable groove (10).

6. A hydraulic dual telescoping support as in claim 2, wherein: and a gasket is arranged at the joint of one end of the bolt (13) and the outer wall of the connecting sleeve (12).