CN216894384U

CN216894384U - Pick with height-adjustable pick

Info

Publication number: CN216894384U
Application number: CN202122781107.2U
Authority: CN
Inventors: 高建平; 薛仰春; 高兰芳
Original assignee: Anhui Kaisente Mining Machinery Manufacturing Co ltd
Current assignee: Anhui Kaisente Mining Machinery Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-05
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a cutting pick with adjustable cutting pick height, which comprises a fixed handle and an adjusting unit, wherein the fixed handle is fixed on the fixed handle; fixing a handle: a supporting seat is arranged at the upper end of the supporting seat, a fixing cap is connected to the upper end of the supporting seat in a threaded manner, a conical sleeve is movably inserted into the upper end of the interior of the fixing cap in an inserted manner, shrinkage joints are arranged on the upper end and the lower end of the conical sleeve in a circular array manner, an alloy column is movably inserted into the interior of the conical sleeve in an inserted manner, and the upper end of the alloy column extends out of the upper end surface of the fixing cap; an adjustment unit: set up in the inside of supporting seat, the upper end of regulating unit and the lower extreme cooperation setting of alloy post, the regulating unit includes swivel one, screw rod and thread bush, and swivel one sets up in the last surface mounting hole bottom of supporting seat, and the lower extreme of the inner arc wall of swivel one and screw rod rotates to be connected, and the outer cambered surface upper end threaded connection of screw rod has the thread bush, this pick of adjustable pick height, and the height of pick can be adjusted, has reduced the use cost of pick.

Description

Pick with height-adjustable pick

Technical Field

The utility model relates to the technical field of cutting picks, in particular to a cutting pick with adjustable cutting pick height.

Background

Coal is fossil fuel which is most abundant on the earth and has the widest distribution region, a coal mining machine is required to be used in the coal mining process, the coal mining machine generally comprises a cutting part, a loading part, a walking part, a motor, an operation control system, an auxiliary device and the like, a cutting tooth is arranged on the cutting part and breaks down coal from a coal body, the cutting tooth is required to be continuously contacted with the coal and break the coal, the cutting tooth is one of wearing parts in coal mining, the traditional cutting teeth have a plurality of types, a hard alloy cutter head is inlaid on a low-alloy structural steel cutter body which is subjected to quenching and tempering treatment, after the hard alloy cutter head is worn, the height of the cutting tooth cannot be adjusted, the cutting tooth cannot be used, the cutting tooth needs to be scrapped and replaced by a new cutting tooth, the consumption of the cutting tooth is large, and the use cost is high, to this end, we propose a cutting pick with an adjustable pick height.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the cutting pick with the adjustable cutting pick height, wherein the cutting pick height can be adjusted, the service life of the cutting pick is prolonged, the use cost of the cutting pick is reduced, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a cutting pick with adjustable cutting pick height comprises a fixed handle and an adjusting unit;

fixing a handle: the upper end of the conical sleeve is provided with a supporting seat, the upper end of the supporting seat is connected with a fixing cap in a threaded manner, the upper end of the inside of the fixing cap is movably inserted with a conical sleeve, the upper end and the lower end of the conical sleeve are respectively provided with a contraction joint in a circular array manner, an alloy column is movably inserted into the conical sleeve, and the upper end of the alloy column extends out of the upper end surface of the fixing cap;

an adjusting unit: set up in the inside of supporting seat, the upper end of regulating unit and the lower extreme cooperation setting of alloy post, the head at the supporting seat is installed to the alloy post, can simple and convenient loosen the alloy post after the alloy post takes place to wear, then ejecting with the alloy post, then can continue to use, and the taper sleeve can radially extrude the alloy post, and the thread bush can provide the support to the afterbody of alloy post, the fastness of fixed alloy post has been guaranteed, and then the life of pick has been prolonged greatly, the use cost of pick has been reduced.

Furthermore, the adjusting unit comprises a first rotating ring, a screw rod and a threaded sleeve, the first rotating ring is arranged at the bottom of the upper surface mounting hole of the supporting seat, the inner arc wall of the first rotating ring is rotatably connected with the lower end of the screw rod, the upper end of the outer arc surface of the screw rod is in threaded connection with the threaded sleeve, and the upper end of the threaded sleeve is matched with the lower end of the alloy column, so that the height of the alloy column can be conveniently adjusted.

Furthermore, the adjusting unit further comprises guide strips, the guide strips are symmetrically arranged on the outer arc surface of the threaded sleeve, and the guide strips are connected with the inner side wall of the upper surface mounting hole of the supporting seat in a sliding mode to limit rotation of the threaded sleeve.

Furthermore, the inside symmetry of the lower extreme extrados round hole of supporting seat is equipped with swivel two, rotates between two swivel two and is connected with the worm, and the extrados middle part of screw rod is equipped with the worm wheel, and the worm wheel is connected with the worm meshing, makes things convenient for the drive of screw rod.

Furthermore, an inner hexagonal sleeve is arranged at the left end of the worm, so that the worm can rotate conveniently.

Furthermore, the outer cambered surface of the lower end of the fixing cap is symmetrically provided with a first groove, and the outer cambered surface of the supporting seat is symmetrically provided with a second groove, so that the fixing cap can rotate conveniently.

Furthermore, the threaded hole internal thread of the outer surface of the fixing cap is connected with a jackscrew, and the right end of the jackscrew and the upper end outer arc surface of the supporting seat are matched to prevent the fixing cap from loosening.

Compared with the prior art, the utility model has the beneficial effects that: this pick of adjustable pick height has following benefit:

1. when the head of the alloy column works for a long time and is abraded, the height of the cutting pick becomes low to influence normal work, the jackscrew can be loosened by an inner hexagonal wrench at the moment, the right end of the jackscrew is separated from the external thread of the supporting seat, the rotation of the fixing cap is not limited, then the rotation of the supporting seat is limited by clamping the wrench to the second outer surface groove of the supporting seat, the other wrench is clamped to the first outer surface groove of the fixing cap and rotates the fixing cap, the fixing cap is in threaded connection with the upper end of the supporting seat, the fixing cap moves upwards to drive the conical sleeve to move upwards, after the conical sleeve moves on the conical sleeve, the inner cambered surface of the fixing cap and the upper surface of the supporting seat do not extrude the conical sleeve any more, the conical sleeve in an elastic deformation state recovers the original shape, the inner hole diameter of the conical sleeve becomes large, the alloy column is loosened, and then the inner hexagonal wrench is inserted into the inner hexagonal sleeve, the worm is driven to rotate through the inner hexagonal sleeve, the worm drives the screw to rotate through the worm wheel connected in a meshed mode, the guide strip on the surface of the threaded sleeve limits the threaded sleeve to rotate, the screw drives the threaded sleeve to move upwards, the threaded sleeve drives the guide strip to move upwards, the threaded sleeve and the guide strip slide relative to the inner side wall of the supporting seat, the threaded sleeve moves upwards to eject the alloy column upwards, the height of the cutting tooth is adjusted, the alloy column is the head mounted on the supporting seat, the alloy column can be loosened simply and conveniently after being worn and torn, the alloy column is ejected, the alloy column can be used continuously, the service life of the cutting tooth is prolonged greatly, and the use cost of the cutting tooth is reduced.

2. After the highly suitable of pick, turn round tight locking cap, the interior cone cambered surface of locking cap will extrude the toper cover under the effect of supporting seat, and then the toper cover can take place to shrink crowded tightly with the alloy post, then turn round tight jackscrew, the jackscrew will restrict the rotation of locking cap, and then guarantee the fastness of alloy post installation, the toper cover can radially extrude the alloy post to the thread bush can provide the support to the afterbody of alloy post, the fastness of fixed alloy post has been guaranteed, the life of pick has been guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention.

In the figure: the device comprises a fixing handle 1, a supporting seat 2, a fixing cap 3, a conical sleeve 4, an alloy column 5, an adjusting unit 6, a first 61 rotating ring, a screw rod 62, a threaded sleeve 63, a guide strip 64, a second 7 rotating ring, a worm 8, a worm wheel 9, a hexagonal sleeve 10, a first 11 groove, a second 12 groove, a top thread 13 and a contraction joint 14.

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. 1-2, the present embodiment provides a technical solution: a cutting pick with adjustable cutting pick height comprises a fixed handle 1 and an adjusting unit 6;

fixing the handle 1: the upper end of the supporting seat is provided with a supporting seat 2, the upper end of the supporting seat 2 is in threaded connection with a fixing cap 3, a conical sleeve 4 is movably inserted into the upper end inside the fixing cap 3, contraction joints 14 are formed in the upper end and the lower end of the conical sleeve 4 in a circular array, the contraction joints 14 facilitate elastic deformation of the conical sleeve 4, an alloy column 5 is movably inserted into the conical sleeve 4, the alloy column 5 improves the wear resistance of the cutting pick, the upper end of the alloy column 5 extends out of the upper end surface of the fixing cap 3, grooves I11 are symmetrically formed in the outer arc surface of the lower end of the fixing cap 3, grooves II 12 are symmetrically formed in the outer arc surface of the supporting seat 2, a jackscrew 13 is connected to the threaded hole in the outer surface of the fixing cap 3 in a threaded mode, the right end of the jackscrew 13 is matched with the outer arc surface of the upper end of the supporting seat 2, a fixing handle 1 is inserted into a mechanical mounting seat and fixed during installation, after the head of the alloy column 5 is worn after long-time operation, the height of the cutting pick becomes lower to influence normal work, at the moment, an internal hexagonal wrench can be used for loosening a jackscrew 13, the right end of the jackscrew 13 is separated from the external thread of a supporting seat 2, the rotation of a fixing cap 3 is not limited, then one wrench is clamped to a second 12 position of an outer surface groove of the supporting seat 2 to limit the rotation of the supporting seat 2, the other wrench is clamped to a first 11 position of the outer surface groove of the fixing cap 3 and rotates the fixing cap 3, the fixing cap 3 is in threaded connection with the upper end of the supporting seat 2, the fixing cap 3 moves upwards, the fixing cap 3 drives a conical sleeve 4 to move upwards, after the conical sleeve 4 moves upwards, the inner arc surface of the fixing cap 3 and the upper surface of the supporting seat 2 do not extrude the conical sleeve 4 any more, the conical sleeve 4 in an elastic deformation state recovers the original shape, the diameter of an inner hole of the conical sleeve 4 is enlarged, and then an alloy column 5 is loosened;

the adjusting unit 6: the adjusting unit 6 comprises a first rotating ring 61, a screw 62 and a threaded sleeve 63, the first rotating ring 61 is arranged at the bottom of an upper surface mounting hole of the supporting seat 2, an inner arc wall of the first rotating ring 61 is rotatably connected with a lower end of the screw 62, the first rotating ring 61 provides a rotary support for the screw 62, a threaded sleeve 63 is in threaded connection with an upper end of an outer arc surface of the screw 62, an upper end of the threaded sleeve 63 is in matched arrangement with a lower end of the alloy column 5, the adjusting unit 6 further comprises guide bars 64, the guide bars 64 are symmetrically arranged on the outer arc surface of the threaded sleeve 63, the guide bars 64 are in sliding connection with inner side walls of the upper surface mounting hole of the supporting seat 2, the screw 62 starts to rotate, the guide bars 64 on the surface of the threaded sleeve 63 limit the threaded sleeve 63 to rotate, the screw 62 drives the threaded sleeve 63 to move upwards, the threaded sleeve 63 drives the guide bars 64 to move upwards, relative sliding takes place for the inside wall of thread bush 63 and gib block 64 and supporting seat 2, thread bush 63 shifts up and upwards ejecting alloy post 5, and then the realization is to the regulation of pick height, the inside symmetry of the outer cambered surface round hole of lower extreme of supporting seat 2 is equipped with swivel two 7, it is connected with worm 8 to rotate between two swivel two 7, swivel two 7 provide the rotation support for worm 8, the extrados middle part of screw rod 62 is equipped with worm wheel 9, worm wheel 9 and the meshing of worm 8 are connected, hexagonal cover 10 in the left end of worm 8 is equipped with, hexagonal spanner inserts in the hexagonal cover 10 in will, it is rotatory to drive worm 8 through interior hexagonal cover 10, worm 8 drives screw rod 62 rotation through the worm wheel 9 that the meshing is connected.

The working principle of the cutting pick with the height adjustable cutting pick provided by the utility model is as follows: when the fixing handle 1 is inserted into a mechanical mounting seat and fixed during installation, after the head of the alloy column 5 which works for a long time is abraded, the height of a cutting tooth becomes low to influence normal work, at the moment, the jackscrew 13 can be loosened by an internal hexagonal wrench, the right end of the jackscrew 13 is separated from the external thread of the supporting seat 2, the rotation of the fixing cap 3 is not limited, then the fixing cap 3 is clamped to the second 12 of the outer surface groove of the supporting seat 2 by one wrench to limit the rotation of the supporting seat 2, the first 11 of the outer surface groove of the fixing cap 3 is clamped by the other wrench to rotate the fixing cap 3, the fixing cap 3 is in threaded connection with the upper end of the supporting seat 2, the fixing cap 3 moves upwards, the fixing cap 3 drives the conical sleeve 4 to move upwards, after the conical sleeve 4 moves upwards, the inner cambered surface of the fixing cap 3 and the upper surface of the supporting seat 2 do not extrude the conical sleeve 4 any more, and the conical sleeve 4 in an elastic deformation state can be restored to the original shape, then the diameter of the inner hole of the conical sleeve 4 is enlarged, then the alloy column 5 is loosened, then the inner hexagonal wrench is inserted into the inner hexagonal sleeve 10, the worm 8 is driven to rotate by the inner hexagonal sleeve 10, the worm 8 drives the screw 62 to rotate by the worm wheel 9 connected in a meshed manner, the guide strip 64 on the surface of the threaded sleeve 63 limits the rotation of the threaded sleeve 63, then the screw 62 drives the threaded sleeve 63 to move upwards, the threaded sleeve 63 drives the guide strip 64 to move upwards, the threaded sleeve 63 and the guide strip 64 slide relative to the inner side wall of the supporting seat 2, the threaded sleeve 63 moves upwards to eject the alloy column 5 upwards, so that the height of the cutting tooth is adjusted, after the height of the cutting tooth is proper, the fixing cap 3 is screwed tightly, the inner conical arc surface of the fixing cap 3 extrudes the conical sleeve 4 under the action of the supporting seat 2, the conical sleeve 4 shrinks to extrude the alloy column 5 tightly, then the jackscrew 13 is screwed tightly, and the jackscrew 13 limits the rotation of the fixing cap 3, thereby ensuring the firmness of the installation of the alloy column 5.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a pick of adjustable pick height which characterized in that: comprises a fixed handle (1) and an adjusting unit (6);

fixing handle (1): the upper end of the supporting seat is provided with a supporting seat (2), the upper end of the supporting seat (2) is in threaded connection with a fixing cap (3), the upper end inside the fixing cap (3) is movably inserted with a conical sleeve (4), the upper end and the lower end of the conical sleeve (4) are both provided with shrinkage joints (14) in a circular array, an alloy column (5) is movably inserted inside the conical sleeve (4), and the upper end of the alloy column (5) extends out of the upper end surface of the fixing cap (3);

adjusting unit (6): the upper end of the adjusting unit (6) is matched with the lower end of the alloy column (5).

2. A cutting pick of adjustable pick height according to claim 1, wherein: adjusting element (6) include swivel (61), screw rod (62) and thread bush (63), swivel (61) sets up in the upper surface mounting hole bottom of supporting seat (2), and the lower extreme of the interior arc wall of swivel (61) and screw rod (62) rotates to be connected, and the extrados upper end threaded connection of screw rod (62) has thread bush (63), and the upper end of thread bush (63) and the lower extreme cooperation of alloy post (5) set up.

3. A pick of adjustable pick height according to claim 2, wherein: the adjusting unit (6) further comprises guide strips (64), the guide strips (64) are symmetrically arranged on the outer arc surface of the threaded sleeve (63), and the guide strips (64) are connected with the inner side wall of the upper surface mounting hole of the supporting seat (2) in a sliding mode.

4. A pick of adjustable pick height according to claim 2, wherein: the inner portion of the circular hole of the outer arc surface of the lower end of the supporting seat (2) is symmetrically provided with two rotating rings (7), a worm (8) is rotatably connected between the two rotating rings (7), the middle portion of the outer arc surface of the screw rod (62) is provided with a worm wheel (9), and the worm wheel (9) is meshed with the worm (8).

5. A pick of claim 4, wherein: the left end of the worm (8) is provided with an inner hexagonal sleeve (10).

6. A cutting pick of adjustable pick height according to claim 1, wherein: the outer arc surface of the lower end of the fixing cap (3) is symmetrically provided with a first groove (11), and the outer arc surface of the supporting seat (2) is symmetrically provided with a second groove (12).

7. A cutting pick of adjustable pick height according to claim 1, wherein: the outer surface threaded hole internal thread of locking cap (3) is connected with jackscrew (13), and the right-hand member of jackscrew (13) and the upper end extrados cooperation setting of supporting seat (2).