CN218204654U

CN218204654U - Crushing pliers of small excavator

Info

Publication number: CN218204654U
Application number: CN202222281372.9U
Authority: CN
Inventors: 施兴林; 赖振德; 江宏奕; 闵晓华; 邱启文; 廖开贵; 李金兰
Original assignee: Fujian Yisong Machinery Co ltd
Current assignee: Fujian Yisong Machinery Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-03
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a pair of crushing pliers of a mini excavator, which comprises a pair of movable pliers, a pair of fixed pliers and a driving mechanism, wherein the fixed pliers are arranged on a fixed seat; the driving mechanism comprises a hydraulic oil cylinder, a shaft sleeve and a piston rod, the hydraulic oil cylinder is fixedly arranged on one side of the fixed clamp far away from the sharp-tooth end, the shaft sleeve is rotatably connected to a connecting rod of the movable clamp, the telescopic end of the piston rod is abutted against the movable clamp through the shaft sleeve, one side of the fixed clamp far away from the sharp-tooth end is provided with an adjusting shaft, and a limiting piece is arranged on the same side of the adjusting shaft; the utility model provides a mini-excavator's crushing pincers, the simple structure of application, when the function is pressed from both sides in the drive activity, the regulating spindle plays the effect rotatory and angle of adjustment to crushing pincers body to use spacing piece to carry on spacingly, make it can not rotate when using, the angle change of crushing pincers can make crushing pincers correspond more to complicated operational environment, improves the application scope of crushing pincers.

Description

Crushing pliers of small excavator

Technical Field

The utility model relates to a crushing pincers of mini-excavator belongs to crushing pincers technical field.

Background

The crushing pliers, also called hydraulic crushing pliers, consists of pliers body, hydraulic oil cylinder, movable jaw and fixed jaw, and the pliers body consists of jaw teeth, blade and common teeth and is installed onto mechanical arm of excavator for use. Hydraulic crushing tongs are now widely used in the demolition industry. In the disassembly and transfer process, the excavator is installed on an excavator for use, and therefore, only one operator of the excavator is needed to operate.

Some crushing pincers among the prior art are direct fixed mounting on the arm of excavator mostly, provide power through hydraulic cylinder and implement to smash the building that needs the removal and clear away, and at the in-service operation in-process, because crushing on-the-spot condition will be chaotic, the condition that crushing pincers opening and building direction are inconsistent can appear sometimes, only crushing pincers can't effectively grasp broken house's outer wall, lead to crushing pincers can't be fine carry out the damage to the target, make crushing pincers's application scope receive the restriction.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a pair of crushing pliers of a mini excavator

The technical scheme of the utility model as follows:

a pair of crushing pliers of a mini excavator comprises movable pliers, fixed pliers and a driving mechanism; actuating mechanism includes hydraulic cylinder, axle sleeve and piston rod, and hydraulic cylinder fixed mounting is in the one side of keeping away from the sharp tooth end of fixed pincers, and the axle sleeve rotates to be connected on the connecting rod of activity pincers, and the flexible end of piston rod passes through axle sleeve and activity pincers looks butt, and one side that the sharp tooth end was kept away from to fixed pincers is equipped with the regulating spindle, and is equipped with spacing piece with the regulating spindle homonymy.

Preferably, the included angle between the piston rod in the driving mechanism and the front end face of the movable clamp is 90 degrees.

Preferably, the device is also provided with a fixed seat for connecting the fixed clamp, and the fixed seat is rotationally connected with the fixed clamp; the fixing seat is provided with a shaft pin hole, and the fixing seat is connected with the excavator through the shaft pin hole and the pin shaft in an installing mode.

Preferably, the fixed pliers and the movable pliers are respectively provided with a plurality of crushing teeth, and the tooth tips of the crushing teeth on the fixed pliers and the movable pliers are opposite.

The utility model discloses following beneficial effect has: the utility model provides a mini-excavator's crushing pincers, the simple structure of application, when the function is pressed from both sides in the drive activity, the regulating spindle plays the effect rotatory and angle of adjustment to crushing pincers body to use spacing piece to carry on spacingly, make it can not rotate when using, the angle change of crushing pincers can make crushing pincers correspond more to complicated operational environment, improves the application scope of crushing pincers.

Drawings

FIG. 1 is an exploded view of a pair of crushing pliers of a mini excavator according to the present invention;

FIG. 2 is a sectional view of a pair of crushing pliers of a mini excavator according to the present invention;

fig. 3 is a schematic three-dimensional structure diagram of the crushing pliers of the mini excavator of the present invention.

The reference numbers in the figures denote:

1. movable pliers; 2. fixing the pliers; 3. a drive mechanism; 31. a hydraulic cylinder; 32. a shaft sleeve; 33. a piston rod; 4. a fixed seat; 41. a shaft pin hole; 5. crushing teeth; 6. an adjustment shaft; 7. a limiting sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

referring to fig. 1 to 3, a crushing tong for a mini excavator comprises a movable tong 1, a fixed tong 2 and a driving mechanism 3; the driving mechanism 3 comprises a hydraulic oil cylinder 31, a shaft sleeve 32 and a piston rod 33, the hydraulic oil cylinder 31 is fixedly installed on one side of the fixed clamp 2, which is far away from the sharp-tooth end, the shaft sleeve 32 is rotatably connected on a connecting rod of the movable clamp 1, the telescopic end of the piston rod 33 is connected with the movable clamp 1 through the shaft sleeve 32, one side of the fixed clamp 2, which is far away from the sharp-tooth end, is provided with an adjusting shaft 6, and a limiting sheet 7 is arranged on the same side as the adjusting shaft 6.

Furthermore, the included angle between the piston rod 33 in the driving mechanism 3 and the front end face of the movable clamp 1 is 90 degrees.

Further, a fixed seat 4 for connecting the fixed clamp 2 is further arranged, and the fixed seat 4 is rotatably connected with the fixed clamp 2; the fixed seat 4 is provided with a shaft pin hole 41, and the fixed seat 4 is connected with the excavator through the shaft pin hole 41 and a pin shaft.

Furthermore, a plurality of crushing teeth 5 are arranged on the fixed pliers 2 and the movable pliers 1, and the tooth tips of the crushing teeth 5 on the fixed pliers 2 and the movable pliers 1 are opposite.

The utility model discloses a theory of operation:

in the utility model, firstly, the fixed seat 4 is connected with the front end of the outer excavator forearm, and simultaneously, the hydraulic oil cylinder 31 in the driving mechanism 3 is connected with an oil pressure system to carry out work driving; a hydraulic oil cylinder 31 in the driving mechanism 3 is fixedly arranged on one side of the fixed pincers 2 far away from the sharp-tooth end, a shaft sleeve 32 is rotatably connected to a connecting rod of the movable pincers 1, a telescopic end of a piston rod 33 is abutted to the movable pincers 1 through the shaft sleeve 32, and then the crushing opening and closing processes of the crushing pincers are completed through the control of an oil pressure system; the utility model discloses in, set up one side installation regulating spindle 6 that sharp tooth end was kept away from to fixed pincers 2, a distance interval for between regulation control activity pincers 1 and the fixed pincers 2, and be equipped with spacing piece 7 with 6 homonymies of regulating spindle, in order to reach the purpose of firm crushing angle, the piston rod 33 among the actuating mechanism 3 is 90 degrees with the contained angle of activity pincers 1 preceding terminal surface, all be equipped with a plurality of crushing teeth 5 on fixed pincers 2 and the activity pincers 1, and fixed pincers 2 are relative with the prong that smashes tooth 5 on the activity pincers 1, be favorable to adapting to the crushing condition under the different environment like this and all adjust suitable angle as far as possible, then smash.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a crushing pincers of miniexcavator which characterized in that: including activity pincers (1), fixed pincers (2) and actuating mechanism (3), actuating mechanism (3) include hydraulic cylinder (31), axle sleeve (32) and piston rod (33), and hydraulic cylinder (31) fixed mounting is in the one side of keeping away from the sharp tooth end of fixed pincers (2), and axle sleeve (32) rotate to be connected on the connecting rod of activity pincers (1), and the flexible end of piston rod (33) passes through axle sleeve (32) and activity pincers (1) looks butt, and one side of keeping away from the sharp tooth end of fixed pincers (2) is equipped with regulating spindle (6), and is equipped with spacing piece (7) with regulating spindle (6) homonymy.

2. The crushing pliers of a small excavator according to claim 1, wherein: the included angle between a piston rod (33) in the driving mechanism (3) and the front end face of the movable clamp (1) is 90 degrees.

3. The crushing pliers of a small excavator according to claim 1, wherein: the fixing device is also provided with a fixing seat (4) used for connecting the fixing clamp (2), and the fixing seat (4) is rotationally connected with the fixing clamp (2); the fixing seat (4) is provided with a shaft pin hole (41), and the fixing seat (4) is connected with the excavator through the shaft pin hole (41) and a pin shaft in an installing mode.

4. The crushing pliers of a small excavator according to claim 1, wherein: the fixed pliers (2) and the movable pliers (1) are both provided with a plurality of crushing teeth (5), and the tooth tips of the crushing teeth (5) on the fixed pliers (2) and the movable pliers (1) are opposite.