CN217439987U

CN217439987U - There is pole to install and remove slip formula hydraulic chuck

Info

Publication number: CN217439987U
Application number: CN202220302591.8U
Authority: CN
Inventors: 郑明辉; 胡海峰; 陆惠明
Original assignee: Zhejiang Hangzhou Drilling Machine Manufactory Co ltd
Current assignee: Zhejiang Hangzhou Drilling Machine Manufactory Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-16
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a rod-mounted and dismounted slip type hydraulic chuck, which comprises a chuck shell, wherein a disc spring, an auxiliary cylinder piston, a slip shaft, a main cylinder piston, a position ring, a retainer ring, a packing, a baffle ring, slips, an inclined backing plate, a three-jaw gasket and a three-clack key are arranged in the chuck shell, the packing is arranged at the excircle of the retaining ring, the retaining ring is fixedly connected with the retainer ring through a bolt, one end part of the slip shaft is fixedly connected with a protective ring through a bolt, the slips are connected with the inclined base plate through screws, the three-clack key is arranged in the middle of the three-jaw gasket, through the utility model discloses an implement, realized having the pole to install and remove the convenient operation of slip formula hydraulic chuck when installing and removing the slip, borrow simple extracting tool can be in the pole state under the dismouting slips, structural design is comparatively simple, and the practicality is stronger relatively, has certain use value and spreading value.

Description

There is pole to install and remove slips formula hydraulic chuck

Technical Field

The utility model relates to a hydraulic chuck technical field especially relates to a have pole to install and remove slip formula hydraulic chuck.

Background

Cobalt detection mechanical equipment (drilling machine for short) is special drilling equipment mainly used for underground drilling of coal mines, drilling of hydropower engineering, grouting and drilling of dams, bridges and tunnel foundations and the like; the chuck is an important part for clamping the drill rod and completing drilling, and the chuck clamps the drill rod by the slips to output power, so the slips are abraded greatly and need to be replaced periodically, and the slips are required to be convenient to disassemble and assemble in the design.

At present, the chuck slips are complex in stress condition in work, the slips are usually installed in a closed groove in an adopted mode so as to meet the feeding and pulling force of a drilling machine, but in the using process of the drilling machine, the slips are extruded and deformed under the action of external force and the tooth surface is abraded, so that a drill rod cannot be clamped or the slips and the drill rod cannot be slipped, and the slips cannot be replaced when the drill rod exists.

In summary, there is a need for a lever-mounted slip-type hydraulic chuck that addresses the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art, the utility model provides a have the pole to install and remove slip formula hydraulic chuck aims at solving above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a have pole to install and remove slip formula hydraulic chuck, includes the chuck housing, the inside of chuck housing still is equipped with dish spring, vice jar piston, slip axle, master cylinder piston, position ring, rand, packing, keeps off ring, slips, inclined backing plate, three-jaw packing ring, three lamella key, the excircle department in fender ring is installed to the packing, keep off the ring and pass through bolt fixed connection in the rand, the one end tip of slip axle passes through bolt fixedly connected with guard ring, the slips passes through screw connection in inclined backing plate, three lamella keys are installed in the centre of three-jaw packing ring.

Preferably, the end part of the slip shaft is designed to be an opening, and a plurality of slip grooves which are longer than the slips are formed in the top end of the slip shaft.

Preferably, the protection ring is sleeved on the end part of the slip shaft in an internal spigot mode and fixedly connected with the slip shaft through a bolt, and a gasket is sleeved on the joint surface of the bolt and the protection ring.

Preferably, the three-jaw gasket is fixedly provided with three uniformly-distributed convex grooves, and the three-jaw gasket is adapted to the slip groove formed in the slip shaft through the convex grooves.

Preferably, the three-clack key is a trisected circular ring, the three-clack key is arranged between the two three-jaw washers, and the three-clack key is further connected to the slip groove of the slip shaft.

The utility model has the advantages that: the end part of the slip shaft is designed to be opened, and a plurality of slip grooves are formed in the top end of the slip shaft, the slip type hydraulic chuck is mounted and dismounted by a rod, the operation is simple when the slip is mounted and dismounted, the slip can be dismounted in a rod state by using a simple dismounting tool, the structural design is simple, the use is convenient, the practicability is relatively strong, and certain use value and popularization value are achieved.

Drawings

Fig. 1 is a front sectional view of the structure of the present invention.

Fig. 2 is a schematic front view of the slip shaft structure of the present invention.

Fig. 3 is a schematic top view of the three-jaw gasket structure of the present invention.

Fig. 4 is a schematic top view of the three-petal key structure of the present invention.

In the figure: the device comprises a chuck shell 1, a disc spring 2, an auxiliary cylinder piston 3, a slip shaft 4, a main cylinder piston 5, a position ring 6, a retainer ring 7, a packing 8, a retainer ring 9, a guard ring 10, a slip 11, an inclined base plate 12, a three-jaw gasket 13 and a three-clack key 14.

Detailed Description

As shown in fig. 1, 2, 3 and 4, the rod-mounted and dismounted slip type hydraulic chuck comprises a chuck shell 1, wherein a disc spring 2, an auxiliary cylinder piston 3, a slip shaft 4, a main cylinder piston 5, a position ring 6, a clamping ring 7, a packing 8, a retaining ring 9, a slip 11, an inclined base plate 12, a three-jaw gasket 13 and a three-jaw key 14 are further arranged inside the chuck shell 1, the packing 8 is installed at the excircle of the retaining ring 9 and is used for blocking grey water, the retaining ring 9 is fixedly connected to the clamping ring 7 through a bolt, a protective ring 10 is fixedly connected to one end of the slip shaft 4 through a bolt, the slip 11 is connected to the inclined base plate 12 through a screw, and the three-jaw key 14 is installed in the middle of the three-jaw gasket 13.

Furthermore, the end of the slip shaft 4 is designed to be open, and a plurality of slip grooves longer than the slips 11 are formed in the top end of the slip shaft 4.

Further, the protection ring 10 is sleeved on the end part of the slip shaft 4 in an internal spigot mode and fixedly connected by a bolt, and a gasket is sleeved on the joint surface of the bolt and the protection ring 10.

Furthermore, three equally-distributed convex grooves are fixedly arranged on the three-jaw gasket 13 and used for limiting deformation of the three slip grooves, and the three-jaw gasket 13 is matched with the slip grooves formed in the slip shaft 4 through the convex grooves.

Further, the three-clack key 14 is a trisected circular ring, the three-clack key 14 is arranged between the two three-jaw washers 13, and the three-clack key 14 is further connected to a slip groove of the slip shaft 4 for convenient assembly and disassembly.

The utility model discloses theory of operation: when the chuck is used, when a drill rod is arranged in the chuck, firstly, a bolt used for fixing the protection ring 10 is dismounted, then the protection ring 10 slides out along the horizontal direction, at the moment, the three-jaw gasket 13 and the three-clack key 14 can slide out along with the opening of the chuck shaft 4, then the slips 11 and the inclined base plate 12 are pulled out along the inclined groove in the clamping ring 7, so that the slips 11 are dismounted, and finally, the screws for fixing the slips 11 and the inclined base plate 12 are screwed down, so that the slips 11 are dismounted; otherwise, the purpose of installing the slips 11 can be achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides a have pole to install and remove slip formula hydraulic chuck, includes chuck housing (1), its characterized in that, the inside of chuck housing (1) still is equipped with dish spring (2), vice cylinder piston (3), slip axle (4), master cylinder piston (5), position ring (6), rand (7), packing (8), fender ring (9), slips (11), inclined backing plate (12), three-jaw packing ring (13), three lamella key (14), packing (8) are installed in the excircle department of fender ring (9), fender ring (9) are through bolt fixed connection in rand (7), the one end tip of slip axle (4) is through bolt fixed connection has guard ring (10), slips (11) are through screw connection in inclined backing plate (12), three lamella key (14) are installed in the centre of three-jaw packing ring (13).

2. The hydraulic chuck with lever-mounted and dismounted slips of claim 1, characterized by the open design of the end of the slip shaft (4) and the inside of the top of the slip shaft (4) being equipped with slip grooves longer than the slips (11).

3. The hydraulic chuck with detachable slip with rod according to claim 1, wherein the protecting ring (10) is sleeved on the end of the slip shaft (4) in the form of an internal spigot and fixedly connected by a bolt, and a gasket is sleeved on the joint surface of the bolt and the protecting ring (10).

4. A slip-type hydraulic chuck with detachable rod according to any one of claims 1 or 2, characterized in that the three-jaw washer (13) is fixedly provided with three equally-divided convex grooves, and the three-jaw washer (13) is adapted to the slip groove formed on the slip shaft (4) through the convex grooves.

5. A lever-mountable and demountable slip-type hydraulic chuck according to any one of claims 1 or 2, wherein the three-lobed key (14) is a trisected ring, and wherein the three-lobed key (14) is mounted intermediate two three-jaw washers (13), the three-lobed key (14) being further connected to the slip groove of the slip shaft (4).