CN210766956U

CN210766956U - Hydraulic crushing pliers with inversely installed oil cylinders

Info

Publication number: CN210766956U
Application number: CN201921016101.2U
Authority: CN
Inventors: 孙易路; 谢辉; 曹力伟
Original assignee: Tanggu Technology Development Tianjin Co ltd
Current assignee: Tanggu Technology Development Tianjin Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-06-16
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a pincers are smashed to hydraulic pressure of inversion installation hydro-cylinder, including fixed pincers, activity pincers and step axle, the erection joint seat is installed through the bolt to the tail end of fixed pincers, and the activity pincers are installed through the step axle to the front end of fixed pincers, and the inboard horizontal installation of fixed pincers has the hydro-cylinder, and the front end of hydro-cylinder articulates in the inside of fixed pincers, and the end of hydro-cylinder is connected with the articulated intermediate position department of activity pincers, install the acceleration rate valve on the fixed pincers. The utility model discloses use the standard type hydro-cylinder that both ends supported, do not have on the hydro-cylinder and expose oil pipe, simultaneously through invering the installation, the cylinder and the activity pincers of hydro-cylinder tail end are articulated, and the jar pole of hydro-cylinder front end is articulated in fixed pincers to the work that opens and shuts is pressed from both sides in the drive activity, this arrangement structure compares in middle part bearing structure hydro-cylinder, has simplified in order to save the cost structurally, and the installation of invering makes the jar pole receive the protection of casing, is difficult to receive outside destruction.

Description

Hydraulic crushing pliers with inversely installed oil cylinders

Technical Field

The utility model relates to a crushing equipment technical field specifically is a clamp is smashed to hydraulic pressure of inversion installation hydro-cylinder.

Background

The hydraulic crushing pliers are hydraulic attachments capable of crushing and dismantling, the movable parts of the crushing pliers are pushed by a hydraulic oil cylinder, and the included angle between the movable pliers and the fixed pliers is increased or reduced, so that the purpose of crushing objects is realized;

however, the hydraulic pipeline on the existing crushing pliers is mostly exposed to the outside, and the crushing pliers are easy to be damaged, so that the service life of the crushing pliers is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure crushing pincers of installation hydro-cylinder is invertd to solve the hydraulic line on the current crushing pincers that provide in the above-mentioned background art and expose in the outside more, easily appear the damaged condition, thereby influence the life of crushing pincers, the front end of hydro-cylinder is connected with the activity pincers in the current crushing pincers simultaneously, so when using, the jar pole of hydro-cylinder front end can expose in the outside of crushing pincers, thereby easily receive the problem of destruction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic pressure that invert installation hydro-cylinder smashes pincers, includes fixed pincers, activity pincers and step axle, the erection joint seat is installed through the bolt to the tail end of fixed pincers, and the activity pincers are installed through the step axle to the front end of fixed pincers, and the inboard horizontal installation of fixed pincers has the hydro-cylinder, and the front end of hydro-cylinder articulates in the inside of fixed pincers, and the end of hydro-cylinder is connected with the intermediate position department of activity pincers is articulated, install the acceleration rate valve on the fixed pincers, and the acceleration rate valve passes through oil pipe and is connected with the hydro-cylinder.

Preferably, two rows of fixing teeth are installed on the inner side of the front end of the fixing clamp, and a fixing blade is installed on the fixing clamp on the inner side of the fixing teeth.

Preferably, two rows of movable teeth are installed at positions corresponding to the fixed teeth on the inner side of the movable pliers through a fixed pin shaft, a toothed plate is installed on the movable pliers between the two rows of movable teeth through a fixed bolt, a blade fixing seat is fixed on the movable pliers on the inner side of the movable teeth, a movable blade is installed on the blade fixing seat through a bolt, and the positions of the movable blade and the fixed blade correspond to each other.

Preferably, the step shaft is sleeved with a supporting shaft sleeve, one end of the step shaft is provided with a limiting disc, and the other end of the step shaft is in threaded connection with a threaded flange.

Preferably, the movable pliers are clamped in the middle of the step shaft, and positioning rings are arranged at the joints of one side of the movable pliers and the step shaft.

Preferably, two sides of the speed increasing valve are installed inside the fixed clamp through flange installation blocks.

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

(1) the oil cylinder is characterized in that a standard oil cylinder supported at two ends is used, an exposed oil pipe is not arranged on the oil cylinder, an oil outlet is processed in a cylinder rod at the front end of the oil cylinder, an oil inlet and an oil outlet are arranged at a rod head of the cylinder rod, meanwhile, a cylinder barrel at the tail end of the oil cylinder is hinged with movable pliers through inverted installation, and the cylinder rod at the front end of the oil cylinder is hinged in fixed pliers, so that the movable pliers are driven to open and close to work;

(2) the speed increasing valve is installed by adopting the flange installation block, so that the speed increasing valve is convenient to install, can be quickly selected and installed according to actual requirements, can save other fixing structures, is reliable and convenient to connect, and has strong adaptability in a narrow space which is inconvenient to install;

(3) the movable pliers and the fixed pliers are hinged through the step shaft, the opening and closing gap of the movable pliers can be flexibly adjusted, the blade gap can be conveniently adjusted and controlled, and the requirement for smaller gap is met.

(4) The toothed plate is fixedly installed through the fixing bolts, so that the toothed plate is more convenient to maintain and can be quickly disassembled and replaced.

Drawings

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

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

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

FIG. 4 is a schematic cross-sectional view at C-C in FIG. 2;

FIG. 5 is a schematic cross-sectional view taken at D-D in FIG. 2;

FIG. 6 is a schematic cross-sectional view at E-E in FIG. 5.

In the figure: 1. fixing the pliers; 2. movable pliers; 21. fixing the bolt; 22. a movable gear; 23. a toothed plate; 24. fixing a pin shaft; 25. an oil cylinder; 3. a step shaft; 31. a limiting disc; 32. a support sleeve; 33. a positioning ring; 34. a threaded flange plate; 4. fixing a blade; 5. fixing teeth; 6. a blade fixing seat 7 and a movable blade; 8. mounting a connecting seat; 9. a speed increasing valve; 91. and (5) mounting a block by using a flange.

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. 1-6, the present invention provides an embodiment: a hydraulic crushing clamp with an inversely installed oil cylinder comprises a fixed clamp 1, a movable clamp 2 and a step shaft 3, wherein the tail end of the fixed clamp 1 is provided with an installation connecting seat 8 through a bolt for connecting with an excavator through a bolt, and the front end of the fixed clamp 1 is provided with the movable clamp 2 through the step shaft 3;

a supporting shaft sleeve 32 is sleeved on the step shaft 3 and is used for being matched with the step shaft 3 to realize the rotation of the movable clamp 2, a limiting disc 31 is arranged at one end of the step shaft 3, a threaded flange 34 is connected to the other end of the step shaft 3 in a threaded manner and is used for limiting and fixing two ends of the step shaft 3, the movable clamp 2 is clamped at the middle position of the step shaft 3, and a positioning ring 33 is arranged at the joint of one side of the movable clamp 2 and the step shaft 3, so that the opening and closing gap of the movable clamp 2 can be conveniently adjusted;

two rows of fixed teeth 5 are arranged on the inner side of the front end of the fixed clamp 1, a fixed blade 4 is arranged on the fixed clamp 1 on the inner side of the fixed teeth 5, two rows of movable teeth 22 are arranged at the positions, corresponding to the fixed teeth 5, of the inner side of the movable clamp 2 through a fixed pin shaft 24, a toothed plate 23 is arranged on the movable clamp 2 between the two rows of movable teeth 22 through a fixed bolt 21, the movable clamp is fixedly arranged through the fixed bolt 21, the toothed plate 23 is convenient to disassemble and change, a blade fixing seat 6 is fixed on the movable clamp 2 on the inner side of the movable teeth 22, a movable blade 7 is arranged on the blade fixing seat 6 through a bolt, and the positions of the movable blade 7 and the fixed blade;

the inboard horizontal installation of fixed pincers 1 has hydro-cylinder 25, the front end of hydro-cylinder 25 articulates in the inside of fixed pincers 1, the end of hydro-cylinder 25 is connected with the intermediate position department of activity pincers 2 is articulated, through invering the installation, be convenient for protect hydro-cylinder 25, install speed increasing valve 9 on the fixed pincers 1, and speed increasing valve 9 passes through oil pipe and is connected with hydro-cylinder 25, the inside of fixed pincers 1 is installed through flange mounting piece 91 to the both sides of speed increasing valve 9, be convenient for realize the quick installation to speed increasing valve 9 through flange mounting piece 91.

The working principle is as follows: during the use, at first will smash pincers and install on the excavator through erection joint seat 8, then with the external oil pump of acceleration valve 9, be connected with the front end of hydro-cylinder 25 simultaneously, hydro-cylinder 25 during operation, because the both ends of hydro-cylinder 25 are articulated with fixed pincers 1 and activity pincers 2 respectively, can promote the activity pincers 2 action of being connected with the hydro-cylinder 25 tail end to realize smashing pincers's clamp tightly and loosen, when needs adjust the nip and open and shut the clearance, the position of adjusting ring 33 on activity pincers 2 and the step axle 3 can.

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. The utility model provides a hydraulic crushing pincers of inversion installation hydro-cylinder, includes fixed pincers (1), activity pincers (2) and step axle (3), its characterized in that: the tail end of the fixed clamp (1) is provided with an installation connecting seat (8) through a bolt, the front end of the fixed clamp (1) is provided with a movable clamp (2) through a step shaft (3), the inner side of the fixed clamp (1) is horizontally provided with an oil cylinder (25), the front end of the oil cylinder (25) is hinged inside the fixed clamp (1), the tail end of the oil cylinder (25) is hinged with the middle position of the movable clamp (2), the fixed clamp (1) is provided with a speed increasing valve (9), and the speed increasing valve (9) is connected with the oil cylinder (25) through an oil pipe;

two rows of fixed teeth (5) are arranged on the inner side of the front end of the fixed clamp (1), and fixed blades (4) are arranged on the fixed clamp (1) on the inner side of the fixed teeth (5);

two rows of movable teeth (22) are arranged at positions, corresponding to the fixed teeth (5), of the inner side of each movable clamp (2) through a fixed pin shaft (24), a toothed plate (23) is arranged on each movable clamp (2) between the two rows of movable teeth (22) through a fixed bolt (21), a blade fixing seat (6) is fixed on each movable clamp (2) on the inner side of each movable tooth (22), a movable blade (7) is arranged on each blade fixing seat (6) through a bolt, and the movable blade (7) corresponds to the fixed blade (4) in position;

the bearing shaft sleeve (32) is sleeved on the step shaft (3), a limiting disc (31) is arranged at one end of the step shaft (3), and a threaded flange plate (34) is connected to the other end of the step shaft (3) in a threaded mode.

2. The hydraulic crushing tongs with the upside-down mounted oil cylinders as claimed in claim 1, characterized in that: the movable pliers (2) are clamped in the middle of the step shaft (3), and positioning rings (33) are mounted at the connecting positions of one side of the movable pliers (2) and the step shaft (3).

3. The hydraulic crushing tongs with the upside-down mounted oil cylinders as claimed in claim 1, characterized in that: the two sides of the speed increasing valve (9) are installed inside the fixed pliers (1) through flange installation blocks (91).