CN220167901U - Colliery coal sample coring bit in pit - Google Patents

Abstract

The utility model discloses a coal mine underground coal sample coring bit, which relates to the technical field of coal sample coring bits and comprises a coring bit assembly, wherein the upper surface of the coring bit assembly is fixedly connected with a fixed sleeve, a mounting mechanism is arranged above the coring bit assembly and comprises two threaded rods and two connecting seats, and the outer surfaces of the two threaded rods are connected with threaded blocks in a threaded manner. According to the utility model, through the cooperation among the coring bit assembly, the fixing sleeve and the mounting mechanism, people can conveniently mount the coring bit assembly, so that the condition that the operation difficulty of staff is increased due to the fact that the coring bit assembly is mounted more fussy is effectively avoided, the mounting time of the staff on the coring bit assembly is effectively saved, and the operation efficiency of the staff can be further ensured.

Description

Colliery coal sample coring bit in pit

Technical Field

The utility model relates to the technical field of coal sample coring bits, in particular to a coal mine underground coal sample coring bit.

Background

Coal is the most important solid fuel, is a kind of combustible organic rock, it is by the flourishing plant that grows in a definite geological period, in suitable geological environment, pile up into thick layer gradually, and bury in the water bottom or silt, natural coal gasification through the long geological period forms, coal is mainly people's in the colliery, coal mine is the region that the mankind was mined coal resources in the mining area that is rich in coal, generally divide into well worker's colliery and opencast coal, when the coal seam is far from the earth's surface, generally select to excavate tunnel to underground and excavate coal, this is well worker's colliery, when the coal seam is very near from the earth's surface, generally select to directly peel off the earth's surface layer and excavate coal, this is opencast coal, most of the colliery in China belongs to well worker's colliery, the staff usually need take a sample before the colliery is mined, in the sampling process, people generally use coal sample coring bit to take a sample.

When the staff uses the coring bit to take a sample of the coal sample in the pit of the colliery, at first must install the coring bit on equipment and use, but in prior art, the staff is comparatively loaded down with trivial details when installing the coring bit, so not only increased the operation degree of difficulty of staff to the installation to the coring bit can consume more time of staff, reduces staff's operating efficiency. Accordingly, a coal sample coring bit for a coal mine is presented herein.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a coal sample coring bit under a coal mine.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a colliery coal sample coring bit in pit, includes coring bit subassembly, coring bit subassembly's last fixed surface is connected with fixed sleeve, coring bit subassembly's top is provided with installation mechanism, installation mechanism includes two threaded rods and two connecting seats, two the equal threaded connection of surface of threaded rod has the screw thread piece, two the equal fixedly connected with handle of one end that the threaded rod kept away from each other, two the inner wall of screw thread piece all articulates there is symmetrical connecting rod, two the equal fixedly connected with transfer line of a side that the connecting seat is close to each other, two the equal fixedly connected with clamping sleeve of one end that the transfer line is close to each other.

Above-mentioned, the connecting rod is articulated mutually with the connecting seat, two the transfer line all runs through fixed sleeve and with fixed sleeve sliding connection, along with the rotation of connecting rod, can drive the removal of connecting seat.

Above-mentioned, fixed sleeve's surface fixedly connected with symmetrical fixed bolster, the threaded rod rotates the surface of being connected in the fixed bolster, and the threaded rod can rotate at the surface of fixed bolster, through setting up the fixed bolster, can play the supporting role to the threaded rod.

Above-mentioned, the surface fixedly connected with four tool bits of coring bit assembly, four the bottom surface fixedly connected with of tool bit a set of steel thorn, the shape of steel thorn is the toper, can make the device more easy enter into in the colliery through setting up the steel thorn.

Above-mentioned, the spout that the equidistance was arranged has been seted up to the surface of coring bit subassembly, the coefficient of friction of spout inner wall is less, through setting up the spout, can reduce the coefficient of friction of coring bit subassembly surface to make the coring bit subassembly more easy downwardly moving in the sample.

Above-mentioned, fixed sleeve's surface fixedly connected with four fixed blocks, four the equal fixed block fixed connection of fixed block is in the upper surface of coring bit assembly, through setting up the fixed block, can play the supporting role to fixed sleeve.

Above-mentioned, the anti-skidding line has been seted up to the surface of handle, the anti-skidding line has been seted up to the inner wall of grip sleeve, through seting up the anti-skidding line at the surface of handle, can increase the coefficient of friction of handle to make people more convenient when using.

The beneficial effects are that:

compared with the prior art, the underground coal sample coring bit for the coal mine has the following beneficial effects:

1. according to the utility model, through the cooperation among the coring bit assembly, the fixing sleeve and the mounting mechanism, people can conveniently mount the coring bit assembly, so that the condition that the operation difficulty of staff is increased due to the complicated mounting of the coring bit assembly is effectively avoided, the mounting time of the staff on the coring bit assembly is effectively saved, and the operation efficiency of the staff can be further ensured.

2. According to the utility model, through the matching arrangement among the threaded rod, the threaded block, the handle, the connecting rod, the connecting seat, the transmission rod and the clamping sleeves, people can conveniently install the device on equipment, when the device is installed, the driving rod of the equipment is firstly arranged between the two clamping sleeves, then the threaded rod is driven to rotate by rotating the handle, the threaded block can be driven to move along with the rotation of the threaded rod, the connecting rod can be driven to rotate along with the movement of the threaded block, the connecting seat can be driven to move along with the rotation of the connecting rod, the transmission rod can be driven to mutually approach along with the movement of the connecting seat, and then the two clamping sleeves are driven to mutually approach until the driving rod on the equipment can be clamped by the two clamping sleeves, so that the device is installed on a sampling equipment.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic elevation view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the tool bit and the steel thorn of the present utility model;

FIG. 3 is a schematic perspective view of the mounting mechanism of the present utility model;

fig. 4 is a schematic view of a part of the structure of the present utility model.

In the figure:

1. coring bit assembly;

2. a fixed sleeve;

3. a mounting mechanism; 301. a threaded rod; 302. a screw block; 303. a handle; 304. a connecting rod; 305. a connecting seat; 306. a transmission rod; 307. a clamping sleeve;

4. a fixing pad;

5. a cutter head; 6. steel thorns;

7. a chute; 8. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model discloses a coal mine underground coal sample coring bit, which comprises a coring bit assembly 1, wherein the coring bit assembly 1 belongs to the prior art, and the model of the coring bit assembly 1 is not further limited in the utility model, and the coring bit assembly 1 does not belong to the main innovation direction of the utility model, so that the detailed description of the coring bit assembly 1 is not shown in the utility model.

The upper surface fixedly connected with fixed sleeve 2 of coring bit subassembly 1, the top of coring bit subassembly 1 is provided with installation mechanism 3, and installation mechanism 3 includes two threaded rods 301 and two connecting seats 305, and the equal threaded connection of the surface of two threaded rods 301 has screw thread piece 302, along with the removal of screw thread piece 302 can be driven in the rotation of threaded rod 301, the equal fixedly connected with handle 303 of one end that two threaded rods 301 kept away from each other can make people more convenient rotation threaded rod 301 through setting up handle 303.

The inner walls of the two threaded blocks 302 are hinged with symmetrical connecting rods 304, the connecting rods 304 can be driven to rotate along with the movement of the threaded blocks 302, a transmission rod 306 is fixedly connected to one side surface of each connecting seat 305, which is close to each other, and the transmission rod 306 can be driven to move along with the movement of the connecting seats 305.

The two transmission rods 306 are fixedly connected with the clamping sleeve 307 at the ends close to each other, and the clamping sleeve 307 can be driven to move along with the movement of the transmission rods 306.

Referring to fig. 3, the connecting rod 304 is hinged to the connecting seat 305, and the two transmission rods 306 penetrate through the fixed sleeve 2 and are slidably connected with the fixed sleeve 2, so that the connecting seat 305 can be driven to move along with the rotation of the connecting rod 304.

Referring to fig. 3, the outer surface of the fixing sleeve 2 is fixedly connected with a symmetrical fixing pad 4, the threaded rod 301 is rotatably connected to the outer surface of the fixing pad 4, the threaded rod 301 can rotate on the outer surface of the fixing pad 4, and the fixing pad 4 is arranged to support the threaded rod 301.

Referring to fig. 2, the outer surface of the coring bit assembly 1 is fixedly connected with four tool bits 5, the bottom surfaces of the four tool bits 5 are fixedly connected with a group of steel thorns 6, the steel thorns 6 are conical, and the device can easily enter a coal mine through the steel thorns 6.

Referring to fig. 4, the outer surface of the coring bit assembly 1 is provided with equidistant sliding grooves 7, and the friction coefficient of the inner wall of the sliding groove 7 is smaller, so that the friction coefficient of the outer surface of the coring bit assembly 1 can be reduced by arranging the sliding grooves 7, thereby enabling the coring bit assembly 1 to move downwards more easily during sampling.

Referring to fig. 4, four fixing blocks 8 are fixedly connected to the outer surface of the fixing sleeve 2, and the four fixing blocks 8 are fixedly connected to the upper surface of the coring bit assembly 1, so that the fixing sleeve 2 can be supported by the fixing blocks 8.

Referring to fig. 3, the outer surface of the handle 303 is provided with anti-skidding patterns, and the inner wall of the clamping sleeve 307 is provided with anti-skidding patterns, so that the friction coefficient of the handle 303 can be increased by providing the outer surface of the handle 303, thereby making the use more convenient for people.

Working principle: when a worker samples, the worker firstly installs the device on the driving rod of the sampling equipment, firstly places the driving rod of the equipment between the two clamping sleeves 307, then drives the threaded rod 301 to rotate through the rotating handle 303, can drive the threaded block 302 to move along with the rotation of the threaded rod 301, can drive the connecting rod 304 to rotate along with the movement of the threaded block 302, can drive the connecting seat 305 to move along with the rotation of the connecting rod 304, can drive the transmission rod 306 to approach each other along with the movement of the connecting seat 305, and then drives the two clamping sleeves 307 to approach each other until the two clamping sleeves 307 can clamp the driving rod on the equipment, thereby realizing the installation of the device on the sampling equipment machine, effectively avoiding the condition that the operation difficulty of the worker is increased due to the complicated installation of the coring bit assembly 1, not only effectively saving the installation time of the worker on the coring bit assembly 1, but also further guaranteeing the operation efficiency of the worker, and being worth popularizing and using.

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

Claims (7)

1. The utility model provides a colliery coal sample coring bit in pit, includes coring bit assembly (1), its characterized in that: the upper surface of the coring bit assembly (1) is fixedly connected with a fixed sleeve (2), a mounting mechanism (3) is arranged above the coring bit assembly (1), the mounting mechanism (3) comprises two threaded rods (301) and two connecting seats (305), the outer surfaces of the two threaded rods (301) are respectively connected with a threaded block (302) in a threaded manner, two the equal fixedly connected with handle (303) of one end that threaded rod (301) kept away from each other, two the inner wall of screw thread piece (302) all articulates has symmetrical connecting rod (304), two the equal fixedly connected with transfer line (306) of a side that connecting seat (305) are close to each other, two the equal fixedly connected with clamping sleeve (307) of one end that transfer line (306) are close to each other.

2. A coal mine downhole coal sample coring bit as set forth in claim 1, wherein: the connecting rod (304) is hinged with the connecting seat (305), and the two transmission rods (306) penetrate through the fixed sleeve (2) and are in sliding connection with the fixed sleeve (2).

3. A coal mine downhole coal sample coring bit as set forth in claim 1, wherein: the outer surface of the fixed sleeve (2) is fixedly connected with symmetrical fixed pads (4), and the threaded rod (301) is rotationally connected to the outer surface of the fixed pads (4).

4. A coal mine downhole coal sample coring bit as set forth in claim 1, wherein: the outer surface of coring bit assembly (1) fixedly connected with four tool bits (5), four the bottom surface fixedly connected with of tool bit (5) is a set of steel thorn (6).

5. A coal mine downhole coal sample coring bit as set forth in claim 1, wherein: the outer surface of the coring bit assembly (1) is provided with sliding grooves (7) which are arranged at equal intervals, and the friction coefficient of the inner wall of each sliding groove (7) is smaller.

6. A coal mine downhole coal sample coring bit as set forth in claim 1, wherein: the outer surface of the fixed sleeve (2) is fixedly connected with four fixed blocks (8), and the four fixed blocks (8) are fixedly connected to the upper surface of the coring bit assembly (1).

7. A coal mine downhole coal sample coring bit as set forth in claim 1, wherein: anti-skidding lines are formed in the outer surface of the handle (303), and anti-skidding lines are formed in the inner wall of the clamping sleeve (307).