CN113199427A

CN113199427A - Assembly fixture of all-hydraulic drill chuck slips

Info

Publication number: CN113199427A
Application number: CN202110641465.5A
Authority: CN
Inventors: 徐赟进
Original assignee: Hangzhou Xianglong Drilling Equipment Co ltd
Current assignee: Hangzhou Xianglong Drilling Equipment Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-08-03

Abstract

The invention discloses an assembly fixture of a chuck slip of a full hydraulic drill, which comprises a fixed ring, wherein the fixed ring is of an annular structure, a driving rod sleeve which is distributed in a cross shape is welded and fixed on the outer annular wall of the fixed ring, a sliding cavity is formed in the driving rod sleeve in a hollow manner, a driving component is connected in the sliding cavity in a sliding manner, a slip clamping component corresponding to the driving rod sleeve is welded and fixed on the inner annular wall of the fixed ring, a first fixed end is arranged on the driving component, a second fixed end is arranged on the slip clamping component, the first fixed end and the second fixed end are fixedly connected through a traction unit, the driving component and the slip clamping component are fixedly connected through the traction unit, when the driving component moves linearly, the slip clamping component is pulled by the traction unit to further clamp the chuck slip, and the slip is fixed at the mounting position of the slip on a mounting disc, the chuck slips are prevented from shaking or skewing in the installation process, and the installation difficulty of the chuck slips is further reduced.

Description

Assembly fixture of all-hydraulic drill chuck slips

Technical Field

The invention belongs to the technical field related to installation of drilling machine accessories, and particularly relates to an assembly tool for a chuck slip of a full hydraulic drilling machine.

Background

The special tool for suspending the drilling tool at the wellhead is generally provided with a hydraulic chuck device, slips in the hydraulic chuck device are generally composed of three or four slips, a spring is arranged between the slips, and special installation equipment is needed for installing the three or four slips which are provided with the spring between the slips into the hydraulic chuck. However, the equipment specially used for installing slips is high in price, so that the production cost of enterprises is increased; meanwhile, equipment for specially installing the slips is large in size and heavy, inconvenient to carry, time-consuming and labor-consuming, and the installation efficiency of the slips on the hydraulic chuck is seriously affected.

For this purpose, the application numbers are: CN201310192242.0 provides a hydraulic chuck and slip assembling and disassembling device for a drilling machine, which is provided with a fixed ferrule and a positioning bolt, wherein 3 to 4 positioning cylinders are welded and fixed on the periphery of an outer sleeve of a cylinder body at equal intervals, the outer end of each positioning cylinder is provided with a positioning ring, the outer side of each positioning cylinder is provided with a limiting hole through which a limiting bolt passes, and internal threads arranged in the limiting hole correspond to external threads of the limiting bolt; the utility model discloses a positioning bolt, including the locating bolt, telescopic sleeve, spacing bolt, locating bolt, snap ring and telescopic sleeve, telescopic sleeve's the outside is provided with the spacing groove corresponding with the spacing bolt, and the device though have simple structure, small, light in weight, numerous advantages such as portable and convenient operation, still have following weak point:

1. the fixing effect of the device on the chuck slips in the installation process is poor, so that the chuck slips are prone to shaking or deflection, the chuck slips and the installation position are prone to deviation, and the installation difficulty of the chuck slips is further increased;

2. the steps are more tedious in the dismounting process by using the device, and the dismounting efficiency is further influenced.

Disclosure of Invention

The invention aims to provide an assembly tool for a chuck slip of a full hydraulic drill, which aims to solve the problems of poor fixing effect and difficulty in disassembly of the chuck slip in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an assembly fixture of all-hydraulic drill chuck slips, includes solid fixed ring, gu fixed ring is the loop configuration, gu welded fastening has the propulsion rod cover that is cross distribution on fixed ring's the outer rampart, the inside cavity of propulsion rod cover forms the slip chamber, sliding connection has the propulsion subassembly in the slip chamber, gu welded fastening has the slips clamping piece that corresponds with the propulsion rod cover on fixed ring's the inner rampart, be provided with first stiff end on the propulsion subassembly, be provided with the second stiff end on the slips clamping piece, through traction element fixed connection between first stiff end and the second stiff end.

Preferably, the propelling assembly comprises a threaded rod and a propelling rod, the threaded rod is in threaded connection with the propelling rod, the propelling rod is connected in a propelling rod sleeve in a sliding mode, and the first fixed end is fixedly arranged on the outer wall of the inner side of the propelling rod.

Preferably, the slips clamping piece is including pressing the flitch, press on flitch welded fastening on solid fixed ring's interior rampart, press the inside cavity of flitch and form flexible room, the both ends sliding connection of flexible room has the telescopic link, the fixed jack catch of one end fixedly connected with of telescopic link, the spacing fixture block of other end fixedly connected with of telescopic link, the telescopic link is spacing on pressing the flitch through spacing fixture block, the second fixed end is fixed to be set up on the outer wall of spacing fixture block, the outside of telescopic link is provided with the spring, the both ends of spring are supported respectively on fixed jack catch and the offside outer wall that presses the flitch.

Preferably, the traction unit comprises a steel wire rope, one end of the steel wire rope is fixedly connected with the first fixed end, and the other end of the steel wire rope is fixedly connected with the second fixed end.

Preferably, the outer end of the sliding cavity is symmetrically provided with sliding grooves on the two side walls, and the two sides of the outer end of the pushing rod are provided with convex blocks clamped with the sliding grooves.

Preferably, the outer end of the push rod sleeve is fixedly nested with a bearing sleeve, the threaded rod is rotatably connected with the bearing sleeve through a bearing, and the central axis of the push rod sleeve coincides with the central axis of the bearing sleeve.

Preferably, the telescopic chamber is of a semi-annular structure, and two fixed pulleys are symmetrically arranged on the outer annular wall of the telescopic chamber.

Compared with the prior art of the assembly tool for the chuck slips, the invention provides the assembly tool for the chuck slips of the full hydraulic drilling machine, which has the following beneficial effects:

1. according to the invention, the outer ring wall of the fixing ring is fixedly provided with the pushing rod sleeve, the pushing assembly is arranged in the sliding cavity in the pushing rod sleeve in a sliding manner, the inner ring wall of the fixing ring is fixedly provided with the slip clamping piece corresponding to the pushing rod sleeve, the pushing assembly is fixedly connected with the slip clamping piece through the traction unit, and the slip clamping piece is pulled by the traction unit through the linear motion of the pushing assembly so as to clamp the chuck slip and fix the slip at the mounting position of the slip on the mounting disc, so that the chuck slip is prevented from shaking or skewing in the mounting process, and the mounting difficulty of the chuck slip is further reduced;

2. according to the invention, the pushing assembly consisting of the threaded rod and the pushing rod is arranged in the pushing rod sleeve, the threaded rod is in threaded connection with the pushing rod, the pushing rod is connected in the pushing rod sleeve in a sliding manner, and the pushing rod can linearly move inwards in the pushing rod sleeve after the chuck slip is installed, so that the traction force of the steel wire rope on the telescopic rod is gradually reduced, the fixed clamping jaws are outwards opened under the pushing of the elastic force of the spring, the initial width between the fixed clamping jaws at two sides is recovered, the chuck slip is automatically separated, and the assembly tool is convenient to rapidly disassemble;

3. according to the invention, the two fixed pulleys are symmetrically arranged on the outer ring wall of the telescopic chamber, and the fixed pulleys are used for avoiding friction between the traction unit and the inner wall of the telescopic chamber, so that the service life of the traction unit can be prolonged, the friction loss is reduced, and the electric energy is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic structural diagram of an assembly tool of a chuck slip of an all-hydraulic drill, which is provided by the invention, in a front view;

FIG. 2 is a schematic top view of the assembly fixture according to the present invention;

FIG. 3 is a schematic diagram of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic diagram of the structure shown at B in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 2 at C in accordance with the present invention;

in the figure: 1. a fixing ring; 2. a push rod sleeve; 3. a threaded rod; 4. a push rod; 5. a slip clamp; 6. pressing the flitch; 7. a fixed pulley; 8. a first fixed end; 9. a wire rope; 10. a telescopic rod; 11. a limiting clamping block; 12. a telescopic chamber; 13. a second fixed end; 14. a spring; 15. fixing the clamping jaw; 16. a sliding cavity; 17. a chute; 18. and a bearing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an assembly fixture for a chuck slip of a full hydraulic drill comprises a fixing ring 1, wherein the fixing ring 1 is of an annular structure and can also be of other structures matched with the shape of a chuck slip mounting disc, a pushing rod sleeve 2 which is distributed in a cross shape is fixedly welded on the outer annular wall of the fixing ring 1, a sliding cavity 16 is formed in the pushing rod sleeve 2 in a hollow mode, a pushing assembly is connected in the sliding cavity 16 in a sliding mode, a slip clamping piece 5 corresponding to the pushing rod sleeve 2 is fixedly welded on the inner annular wall of the fixing ring 1, a first fixing end 8 is arranged on the pushing assembly, a second fixing end 13 is arranged on the slip 5, the first fixing end 8 is fixedly connected with the second fixing end 13 through a traction unit, the slip clamping piece 5 is pulled through linear movement of the pushing assembly by the traction unit, and then the chuck slips are clamped, so that the slips are fixed at an appointed position, and workers can conveniently install the chuck slips.

In order to reduce the frock size, set up propulsion assembly in propelling rod cover 2 on solid fixed ring 1, propulsion assembly includes threaded rod 3 and propelling rod 4, pass through threaded connection between threaded rod 3 and the

propelling rod

4, 4 sliding connection of propelling rod are in propelling rod cover 2, first stiff end 8 is fixed to be set up on the inboard outer wall of propelling rod 4, the outer end of threaded rod 3 can be connected with the motor (not drawn in the picture), it is rotatory to drive threaded rod 3 through the motor, simultaneously because the screw thread relation of threaded rod 3 and propelling rod 4, make propelling rod 4 be linear motion in propelling rod cover 2, moreover, the steam generator is simple in structure, the layout space is saved.

In order to facilitate the clamping of the chuck slips, a slip clamping piece 5 is arranged on the inner annular wall of a fixing ring 1, the slip clamping piece 5 comprises a pressing flitch 6, the pressing flitch 6 is welded and fixed on the inner annular wall of the fixing ring 1, a telescopic chamber 12 is formed by hollowing the inside of the pressing flitch 6, two ends of the telescopic chamber 12 are connected with a telescopic rod 10 in a sliding way, one end of the telescopic rod 10 is fixedly connected with a fixed clamping jaw 15, the distance between the fixed clamping jaws 15 on two sides is correspondingly changed through the telescopic motion of the telescopic rod 10 in the pressing flitch 6, so as to adjust the clamping width, the other end of the telescopic rod 10 is fixedly connected with a limiting clamping block 11, the telescopic rod 10 is limited on the pressing flitch 6 through the limiting clamping block 11, a second fixed end 13 is fixedly arranged on the outer wall of the limiting clamping block 11, a spring 14 is arranged outside the telescopic rod 10, two ends of the spring 14 respectively abut against the outer walls on the opposite sides of the fixed clamping jaw 15 and the pressing flitch 6, when the traction force of the telescopic rod 10 is gradually reduced, the fixing claws 15 are pushed outwards by the elastic force of the spring 14, and the initial width between the fixing claws 15 at the two sides is restored.

In order to link the propelling component and the slip clamping part 5, a traction unit is arranged between the propelling component and the slip clamping part, the traction unit comprises a steel wire rope 9, the traction unit can also be other nylon ropes, the steel wire rope 9 is preferably selected for durability, one end of the steel wire rope 9 is fixedly connected with the first fixed end 8, the other end of the steel wire rope 9 is fixedly connected with the second fixed end 13, the lengths of the two steel wire ropes 9 in the pressing and pasting plate 6 are the same, the propelling rod 4 on the propelling component and the limiting clamping blocks 11 on the slip clamping part 5 are enabled to interact, and the two limiting clamping blocks 11 on two sides are driven to do synchronous curvilinear motion along the telescopic chamber 12 through linear motion of the propelling rod 4.

In order to enable the push rod 4 to reciprocate in the sliding cavity 16, sliding grooves 17 are symmetrically formed in the cavity walls of the two sides of the outer end of the sliding cavity 16, protruding blocks clamped with the sliding grooves 17 are arranged on the two sides of the outer end of the push rod 4, and when the threaded rod 3 rotates forwards or reversely, the push rod 4 linearly reciprocates in the sliding cavity 16 under the limiting effect of the protruding blocks and the sliding grooves 17.

In order to reduce power output, a bearing sleeve 18 is fixedly nested at the outer end part of the push rod sleeve 2, and the threaded rod 3 is rotatably connected with the bearing sleeve 18 through a bearing. The friction loss of the threaded rod 3 is reduced, the kinetic energy consumption is further reduced, and the central axes of the push rod sleeve 2 and the bearing sleeve 18 are overlapped, so that the threaded rod 3 can do pivoting motion on the push rod sleeve 2.

In order to prolong the service life of the traction unit, the telescopic chamber 12 is of a semi-annular structure, two fixed pulleys 7 are symmetrically arranged on the outer annular wall of the telescopic chamber 12, friction between the traction unit and the inner wall of the telescopic chamber 12 is avoided through the fixed pulleys 7, the service life of the traction unit can be prolonged, and friction loss is reduced.

The working principle and the using process of the invention are as follows: firstly, a fixing ring 1 is fixedly sleeved outside a chuck and slip mounting disc, a chuck and slip required to be mounted is placed between two fixed jaws 15 on a slip clamping piece 5, a motor on the position of the chuck and slip is started, a threaded rod 3 is driven to rotate through the driving action of the motor, meanwhile, the pushing rod 4 is driven to do linear motion outwards in a pushing rod sleeve 2 due to the threaded relation between the threaded rod 3 and the pushing rod 4, so that a telescopic rod 10 is driven to contract in a telescopic chamber 12 of a pressing patch 6 under the pulling action of a steel wire rope 9, the distance between the fixed jaws 15 on two sides is reduced, the two fixed jaws 15 clamp the chuck and slip, the slip is fixed on the mounting disc, a worker can conveniently mount the chuck and slip, after the mounting is finished, the pushing rod 4 is driven to do linear motion inwards in the pushing rod sleeve 2 through the reverse rotation of the motor, and the traction force of the steel wire rope 9 on the telescopic rod 10 is gradually reduced, at this time, the fixing jaws 15 are opened outward by the elastic force of the springs 14, and then the initial width between the fixing jaws 15 at both sides is restored, thereby disengaging the chuck slips, completing the assembly of the chuck slips of the wafer, and then, completing the fixing assembly of other chuck slips in the same operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an assembly fixture of full hydraulic drill chuck slips, includes solid fixed ring (1), its characterized in that: the improved propelling device is characterized in that the fixing ring (1) is of an annular structure, a propelling rod sleeve (2) which is distributed in a cross shape is welded and fixed on the outer annular wall of the fixing ring (1), a sliding cavity (16) is formed in the propelling rod sleeve (2) in a hollow mode, a propelling component is connected in the sliding cavity (16) in a sliding mode, a slip clamping piece (5) corresponding to the propelling rod sleeve (2) is welded and fixed on the inner annular wall of the fixing ring (1), a first fixing end (8) is arranged on the propelling component, a second fixing end (13) is arranged on the slip clamping piece (5), and the first fixing end (8) is fixedly connected with the second fixing end (13) through a traction unit.

2. The assembly fixture of full hydraulic drill chuck slips of claim 1, characterized in that: the propelling component comprises a threaded rod (3) and a propelling rod (4), the threaded rod (3) is connected with the propelling rod (4) through threads, the propelling rod (4) is connected in a propelling rod sleeve (2) in a sliding mode, and a first fixed end (8) is fixedly arranged on the inner side outer wall of the propelling rod (4).

3. The assembly fixture of full hydraulic drill chuck slips of claim 1, characterized in that: slips clamping piece (5) are including pressing flitch (6), press flitch (6) welded fastening on the interior rampart of solid fixed ring (1), press flitch (6) inside cavity and form flexible room (12), the both ends sliding connection of flexible room (12) has telescopic link (10), the fixed jack catch (15) of one end fixedly connected with of telescopic link (10), the spacing fixture block of other end fixedly connected with (11) of telescopic link (10), telescopic link (10) are spacing on pressing flitch (6) through spacing fixture block (11), second stiff end (13) are fixed to be set up on the outer wall of spacing fixture block (11), the outside of telescopic link (10) is provided with spring (14), the both ends of spring (14) are supported respectively on fixed jack catch (15) and the offside outer wall that presses flitch (6).

4. The assembly fixture of full hydraulic drill chuck slips of claim 1, characterized in that: the traction unit comprises a steel wire rope (9), one end of the steel wire rope (9) is fixedly connected with the first fixed end (8), and the other end of the steel wire rope (9) is fixedly connected with the second fixed end (13).

5. The assembly fixture of full hydraulic drill chuck slips of claim 1, characterized in that: sliding grooves (17) are symmetrically formed in the wall of the two side walls of the outer end of the sliding cavity (16), and protruding blocks clamped with the sliding grooves (17) are arranged on the two sides of the outer end of the push rod (4).

6. The assembly tool of the chuck slips of the full hydraulic drill according to claim 2, characterized in that: the outer end of the push rod sleeve (2) is fixedly nested with a bearing sleeve (18), the threaded rod (3) is rotatably connected with the bearing sleeve (18) through a bearing, and the central axis of the push rod sleeve (2) coincides with the central axis of the bearing sleeve (18).

7. The assembly fixture of full hydraulic drill chuck slips of claim 3, characterized in that: the telescopic chamber (12) is of a semi-annular structure, and two fixed pulleys (7) are symmetrically arranged on the outer annular wall of the telescopic chamber (12).