CN218693984U

CN218693984U - Hydraulic chuck of drilling machine

Info

Publication number: CN218693984U
Application number: CN202222783513.7U
Authority: CN
Inventors: 梁建华; 龚厚宽
Original assignee: Guangxi Xiongtuo Construction Engineering Co ltd
Current assignee: Guangxi Xiongtuo Construction Engineering Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-24
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a rig hydraulic chuck, including the chuck body, the pneumatic cylinder is installed in the outside of chuck body, the inboard of chuck body is equipped with the notch, be equipped with the slurcam in the inboard notch of chuck body, the outside demountable installation of slurcam has the card piece, just the dorsal part of slips centre is fixed with the gomphosis piece, be equipped with the gomphosis groove identical with gomphosis piece structure on the outer wall of slurcam, just the outer wall of gomphosis piece front end is equipped with the notch, the equal sliding connection in both ends has the joint piece about the notch of gomphosis piece front end, the inner wall at both ends all is equipped with the draw-in groove identical with joint piece outer end structure about the gomphosis groove, and the bayonet socket has all been seted up at the top of the corresponding one side of joint piece, the bayonet socket gomphosis of the corresponding one side of joint piece has same cardboard. The hydraulic chuck of the drilling machine can realize the independent dismounting and mounting function of the clamping tiles, so that the clamping tiles can be maintained and replaced more conveniently by workers, and the maintenance work efficiency is improved.

Description

Hydraulic chuck of drilling machine

Technical Field

The utility model relates to a rig accessory technical field specifically is rig hydraulic chuck.

Background

The chuck is a separate part of the drill. The function is as follows: and clamping a drill rod on a drilling machine gyrator, and transmitting torque and axial force to the drill rod to realize functions of gyration, feeding, lifting and the like of the drilling tool. The chuck and the orifice holder are matched and also have the functions of screwing and unscrewing the drill rod and lifting the drilling tool. Whether the chuck can firmly clamp and quickly and thoroughly loosen the drill rod directly influences whether the drilling can be smoothly carried out.

At present, the hydraulic chuck of the drilling machine generally utilizes the slip sheets of the arc-shaped structure to realize the function of clamping a drill rod, because the drilling machine is in direct frequent contact with the drill rod at the cambered surface of the slip sheets when in work, the slip sheets are seriously worn and changed by maintenance after being used for a period of time, otherwise, the stability during clamping can be influenced, most of the hydraulic chuck of the drilling machine in the prior art can not realize the function of independent disassembly and assembly of the slip sheets, the hydraulic chuck of the drilling machine is required to be disassembled from the drilling machine when workers maintain and change the slip sheets, the operation process is time-consuming and labor-consuming, and the maintenance work efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rig hydraulic chuck to solve the function that the present rig hydraulic chuck majority that above-mentioned background art provided can not realize the independent dismouting of card tile, this makes the staff maintain the problem that gets off whole chuck follow rig when changing to the card tile.

In order to achieve the above object, the utility model provides a following technical scheme: rig hydraulic chuck, including the chuck body, the pneumatic cylinder is installed in the outside of chuck body, the inboard of chuck body is equipped with the notch, be equipped with the slurcam in the inboard notch of chuck body, the output of pneumatic cylinder stretch into in the inboard notch of chuck body and with the dorsal part fixed connection of slurcam, demountable installation has the card piece in the outside of slurcam, just the dorsal intermediate of slips piece is fixed with the gomphosis piece, be equipped with the gomphosis groove identical with gomphosis piece structure on the outer wall of slurcam, just the outer wall of gomphosis piece front end is equipped with the notch, equal sliding connection in both ends has the joint piece about the notch of gomphosis piece front end, the inner wall at both ends all is equipped with the draw-in groove identical with joint piece outer end structure about the gomphosis groove, and the bayonet socket has all been seted up at the top of the corresponding one side of joint piece, the bayonet socket gomphosis of the corresponding one side of joint piece has same cardboard.

Preferably, a sliding rod is fixed in the middle of the notch at the front end of the embedding block, the middle of the clamping plate is sleeved outside the sliding rod in a sliding mode, and a limiting block is fixed at the top end of the sliding rod.

Preferably, the spring is sleeved outside the top end of the sliding rod, and two ends of the spring are respectively connected with the bottom of the limiting block and the top of the clamping plate.

Preferably, the upper end and the lower end of the back side of the tile clamping piece are further fixed with positioning columns, and the upper end and the lower end of the outer side of the pushing plate are provided with positioning holes matched with the positioning columns in structure.

Preferably, the inside gomphosis of locating hole is installed solid fixed ring, just gu fixed ring's both sides inner wall all is through elastic rubber pad fixedly connected with holding piece.

Preferably, both sides of the clamping block are fixed with sliding blocks, and the inner walls of both sides of the notch at the front end of the embedding block are provided with sliding chutes matched with the sliding block structures.

Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic chuck of the drilling machine can realize the independent dismounting and mounting function of the clamping tiles, so that the clamping tiles can be maintained and replaced more conveniently by workers, and the maintenance work efficiency is effectively improved. This rig hydraulic chuck sets up split type structure through the slips piece in the outside, and the slips piece can be through the gomphosis inslot with gomphosis piece gomphosis on the slurcam outer wall, and utilize two joint piece card to go into the draw-in groove of gomphosis groove upper and lower both ends inner wall and fix, thereby make the slips piece can be convenient carry out the dismouting in the outside of slurcam, avoid the longer its cambered surface wearing and tearing of slips piece live time seriously need dismantle the trouble that gets off whole chuck body from the rig when maintaining the change.

Drawings

FIG. 1 is a schematic structural view of a hydraulic chuck of a drilling machine according to the present invention;

FIG. 2 is a schematic view of the connection structure of the pushing plate and the slip sheet of the hydraulic chuck of the drilling machine of the present invention;

FIG. 3 is a schematic view of the top structure of the embedded block of the hydraulic chuck of the drilling machine of the present invention;

FIG. 4 is a schematic view of the internal structure of the fixing ring of the hydraulic chuck of the drilling machine of the present invention;

fig. 5 is the utility model discloses the structural schematic diagram is looked sideways to the catch bar of rig hydraulic chuck.

In the figure: 1. a chuck body; 2. a hydraulic cylinder; 3. a push plate; 4. a card tile; 5. an engagement block; 6. a fitting groove; 7. a clamping block; 8. clamping a plate; 9. a slider; 10. a positioning column; 11. positioning holes; 12. a fixing ring; 13. a slide bar; 14. a limiting block; 15. a spring; 16. and a clamping piece.

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. 1-5, the present invention provides a technical solution: rig hydraulic chuck, including chuck body 1, pneumatic cylinder 2 is installed in the outside of chuck body 1, the inboard of chuck body 1 is equipped with the notch, be equipped with push plate 3 in the inboard notch of chuck body 1, the output of pneumatic cylinder 2 stretches into the notch of chuck body 1 inboard and with the dorsal part fixed connection of push plate 3, the outside demountable installation of push plate 3 has slips 4, slips 4's the outside is the arcwall face structure, can drive push plate 3 when this structure pneumatic cylinder 2 drives and stretch out in the notch of chuck body 1 inboard, and make slips 4's arcwall face realize the effect of pressing from both sides tight to the outer wall of rig drilling rod, slips 4 dorsal intermediate welded fastening has gomphosis piece 5, be equipped with the gomphosis groove 6 identical with gomphosis piece 5 structure on the outer wall of push plate 3, and the outer wall of gomphosis piece 5 front end is equipped with the notch, the upper end and the lower end of a notch at the front end of the embedded block 5 are both connected with a clamping block 7 in a sliding way, the clamping block 7 is of an L-shaped structure, the inner walls at the upper end and the lower end of the embedded groove 6 are both provided with clamping grooves matched with the structure of the outer end of the clamping block 7, the top of one side corresponding to the clamping block 7 is provided with a clamping opening, the clamping opening at one side corresponding to the clamping block 7 is embedded with the same clamping plate 8, the clamping piece 4 of the structure can be embedded in the embedded groove 6 on the outer wall of the pushing plate 3 through the embedded block 5, the embedded block 5 can be clamped into the clamping grooves at the upper end and the lower end of the embedded groove 6 through the two clamping blocks 7 in a sliding way to be fixed after the embedding is completed, the clamping plate 8 can be clamped between the clamping blocks 7 to limit and lock the position of the clamping block 4, so that the clamping block 4 can conveniently realize the function of independent disassembly and assembly at the outer side of the pushing plate 3, and the clamping block 4 can be maintained and replaced by an operator, avoiding the trouble that the whole chuck body 1 needs to be detached from a drilling machine when the clamping piece 4 is seriously worn due to long service time and the maintenance and replacement are carried out, and further effectively improving the working efficiency of the maintenance, a sliding rod 13 is fixed in the middle of a notch at the front end of an embedding block 5, a middle sliding sleeve of the clamping plate 8 is arranged outside the sliding rod 13, a limiting block 14 is fixed at the top end of the sliding rod 13 in a welding way, in the process that the embedding block 5 is embedded inside an embedding groove 6, the clamping plate 8 can slide upwards through the outside of the sliding rod 13 to cancel the limiting on the position of the clamping block 7, so that the clamping block 7 can slide inwards in the notch at the front end of the embedding block 5 in the same direction to recover, the embedding block 5 can be smoothly embedded into the embedding groove 6, a spring 15 is sleeved outside the top end of the sliding rod 13, two ends of the spring 15 are respectively connected with the bottom of the limiting block 14 and the top of the clamping plate 8, the clamping plate 8 can extrude the spring 15 when the clamping plate 8 slides upwards outside of the sliding block 13, so that the clamping plate 8 can be more firmly embedded between the clamping block 7 under the action of the clamping block 7, and the clamping structure, and the positioning column 12 is connected with a fixing ring 12, the positioning ring 12 which is arranged on the outer wall of the positioning block 10, and the positioning ring 12, the positioning post 10, the positioning ring 12 is fixed on the inner side of the positioning block 3, and the positioning ring 12 fixed on the positioning block 4, the positioning ring 12, and the positioning ring 12 fixed on the inner side of the positioning block 3, this makes the card tile 4 be connected with slurcam 3 and can be more firm, stability when pressing from both sides tightly the rig drilling rod is being guaranteed to slips piece 4, the both sides of joint piece 7 all are fixed with slider 9, and the notch both sides inner wall of gomphosis piece 5 front end all is equipped with the spout with 9 structure matched with of slider, the joint piece 7 of this structure can drive slider 9 when sliding and slide in the spout of the notch both sides inner wall of gomphosis piece 5 simultaneously, this makes slider 9 can play spacing effect to joint piece 7.

The working principle is as follows: when the hydraulic chuck of the drilling machine is used, firstly, when the slip sheet 4 needs to be arranged on the outer side of the pushing plate 3, the slip sheet 4 can be embedded in the embedding groove 6 on the outer wall of the pushing plate 3 through the embedding block 5, in the embedding process of the embedding block 5, a worker firstly pulls the clamping plate 8 upwards, the clamping plate 8 can slide upwards outside the sliding rod 13 until the clamping plate 8 is separated from between the two clamping blocks 7, then the clamping blocks 7 slide in the same direction in the concave opening at the front end of the embedding block 5 for recovery, the clamping blocks 7 synchronously drive the sliding blocks 9 to slide in the sliding grooves on the inner walls at the two sides of the concave opening of the embedding block 5 during sliding, when the embedding block 5 is completely embedded in the embedding groove 6, then the two clamping blocks 7 respectively slide in the reverse direction until the outer ends of the clamping blocks 7 are embedded in the clamping grooves on the inner walls at the upper end and the lower end of the embedding groove 6, at the moment, the clamping plate 8 is loosened, the clamping plate 8 can slide downwards under the action of a spring 15 and is embedded in a bayonet between the clamping blocks 7, so that the position of the clamping blocks 7 is limited and fixed, in the process that the embedding blocks 5 are embedded into the embedding grooves 6, the clamping sheet 4 can drive the positioning column 10 to be inserted into the positioning hole 11 at the same time, when the positioning column 10 enters the positioning hole 11 and passes through the fixing ring 12, the clamping sheet 16 can clamp and fix the outer wall of the positioning column 10 under the action of the elastic rubber pad, so that the firmness of connection between the clamping tile 4 and the pushing plate 3 is improved, finally, the chuck body 1 is integrally installed on a proper position of the drilling machine, when the drilling machine is constructed, the hydraulic cylinder 2 is started, the pushing plate 3 can be driven to extend out of a notch on the inner side of the chuck body 1 when the hydraulic cylinder 2 is driven, and the arc-shaped surface of the clamping sheet 4 is clamped to the outer wall of the drilling machine, when the slip sheet 4 is long in service time and the cambered surface of the slip sheet is seriously abraded and needs to be maintained and replaced, the slip sheet 4 is disassembled from the outer side of the pushing plate 3 in the reverse order, and the slip sheet 4 can be conveniently maintained and replaced by workers, so that a series of work is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Rig hydraulic chuck, including chuck body (1), its characterized in that: pneumatic cylinder (2) are installed in the outside of chuck body (1), the inboard of chuck body (1) is equipped with the notch, be equipped with slurcam (3) in the inboard notch of chuck body (1), the output of pneumatic cylinder (2) stretch into in the inboard notch of chuck body (1) and with the dorsal part fixed connection of slurcam (3), the outside demountable installation of slurcam (3) has card tile (4), just be fixed with gomphosis piece (5) in the middle of card tile (4) dorsal part, be equipped with on the outer wall of slurcam (3) with gomphosis piece (5) structure identical gomphosis groove (6), just the outer wall of gomphosis piece (5) front end is equipped with the notch, equal sliding connection in both ends has joint piece (7) about the notch of gomphosis piece (5) front end, the inner wall at both ends all is equipped with gomphosis piece (7) structure identical gomphosis groove about gomphosis groove (6), and the bayonet socket has all been seted up at the top of the corresponding one side of joint piece (7), the bayonet socket gomphosis of the corresponding one side of joint piece (7) has same bayonet socket (8).

2. The drilling machine hydraulic chuck of claim 1, wherein: a sliding rod (13) is fixed in the middle of a notch at the front end of the embedding block (5), the middle of the clamping plate (8) is sleeved outside the sliding rod (13) in a sliding mode, and a limiting block (14) is fixed at the top end of the sliding rod (13).

3. The drilling machine hydraulic chuck according to claim 2, wherein: the outside cover on slide bar (13) top is equipped with spring (15), just the both ends of spring (15) are connected with the bottom of stopper (14) and the top of cardboard (8) respectively.

4. The drilling machine hydraulic chuck according to claim 1, wherein: positioning columns (10) are further fixed at the upper end and the lower end of the back side of the tile clamping piece (4), and positioning holes (11) matched with the positioning columns (10) in structure are formed in the upper end and the lower end of the outer side of the pushing plate (3).

5. The drilling machine hydraulic chuck according to claim 4, wherein: fixed ring (12) is installed in the inside gomphosis of locating hole (11), just the both sides inner wall of fixed ring (12) all is through elastic rubber pad fixedly connected with holding piece (16).

6. The drilling machine hydraulic chuck according to claim 5, wherein: the two sides of the clamping block (7) are both fixed with sliding blocks (9), and the inner walls of the two sides of the notch at the front end of the embedding block (5) are both provided with sliding grooves matched with the sliding blocks (9) in structure.