CN211646326U

CN211646326U - Coal mining earth's surface subsidence area crack measuring device

Info

Publication number: CN211646326U
Application number: CN202020108559.7U
Authority: CN
Inventors: 郝丕益; 杨建中
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-09
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a coal mining earth's surface subsidence area crack measuring device, including measuring frame, spring and spirit level, it has the spout all to reserve on the wall of measuring frame's front and back both sides, the inner of installation axle is fixed with the measuring spindle, and installs a side surface welded fastening that the piece kept away from the measuring frame center and have the mounting panel, the middle part of mounting panel constitutes there is the stopper, and the outside winding of stopper has the spring, both ends all constitute there is the support column about the measuring frame, and the lower extreme of support column installs the connecting block, the lower extreme integration of connecting block is provided with the gag lever post, the lateral surface installation of measuring frame has the spirit level. This coal mining earth's surface subsides district crack measuring device, the convenience is fixed the device level, convenient operation, and can effectually prescribe a limit to the position of measuring spindle, has avoided measuring spindle to appear removing once more in the measurement process, influences measuring result's problem.

Description

Coal mining earth's surface subsidence area crack measuring device

Technical Field

The utility model relates to a coal mining technical field specifically is a coal mining earth's surface subsidence area crack measuring device.

Background

The method has the advantages that the phenomenon of cracking of the mining surface subsidence area can occur in the coal mining process, the cracks need to be measured in order to ensure the operation safety, a professional coal mining surface subsidence area crack measuring device is needed during measurement, but the currently used measuring device still has defects;

for example, the utility model discloses a mining subsidence area earth's surface crack degree of depth measuring device is granted the publication number and is CN209783495U, simple structure conveniently measures the fissured degree of depth of earth's surface, but inconvenient with the device level is fixed, leads to bringing inconvenience when the operation, and can not effectually prescribe a limit to the position of measuring axle, leads to the measuring axle to appear removing once more in the measurement process, influences measuring result's accuracy, consequently, the utility model provides a coal mining subsides area crack measuring device to solve the above-mentioned problem of proposing.

Disclosure of Invention

An object of the utility model is to provide a coal mining earth's surface subsidence area crack measuring device to solve the inconvenient fixed with the device level of the coal mining earth's surface subsidence area crack measuring device who provides at present use in the above-mentioned background art, lead to bringing inconvenience when the operation, and can not effectually prescribe a limit to the position of measuring spindle, lead to the measuring spindle to appear removing once more in the measurement process, influence the problem of measuring result's accuracy.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery earth's surface subsidence district crack measuring device, includes measuring rack, spring and spirit level, it has the spout all to reserve on the wall of measuring rack's front and back both sides, and the internally mounted of spout has an installation piece, installation axle is installed through first bearing rotation in the middle part of the installation piece, and installs the outer terminal surface of axle and be fixed with the pointer, the inner of installation axle is fixed with the measuring spindle, and a side welded surface that the measuring rack center was kept away from to the installation piece is fixed with the mounting panel, the middle part of mounting panel constitutes the stopper, and the outside winding of stopper has the spring, both ends all constitute the support column about the measuring rack, and the lower extreme of support column installs the connecting block, the lower extreme integration of connecting block sets up the stopper pole, and the outside threaded connection of connecting block has the lag, the lateral surface.

Preferably, the mounting block and the chute form a snap-fit sliding structure, and the bottom of the chute is of a concave-convex structure.

Preferably, the outer side of the mounting shaft is provided with scale marks distributed on the mounting block at equal angles, and the vertical section of the mounting block is of a T-shaped structure.

Preferably, the spring is located the below of stopper, and stopper and mounting panel constitute sliding construction to the lower terminal surface of stopper is connected with the upper surface block snap of mounting block.

Preferably, the connecting block is rotatably connected with the supporting column through a second bearing, and the supporting column is in threaded connection with the measuring frame.

Preferably, the connecting block and the limiting rod are combined to form a T-shaped structure, and the limiting rod is in a conical structure.

Compared with the prior art, the beneficial effects of the utility model are that: the coal mining surface subsidence area crack measuring device is convenient to horizontally fix and operate, the position of the measuring shaft can be effectively limited, and the problem that the measuring result is influenced because the measuring shaft moves again in the measuring process is solved;

1. through the threaded connection between the supporting columns and the measuring frame, the levelness of the measuring frame can be effectively adjusted, and the device is horizontally fixed by being inserted into soil in a matching manner with the limiting rods, so that the operation is convenient;

2. the limiting block is supported by the spring and can be clamped and connected with the lower surface of the sliding groove, so that the phenomenon that the mounting block slides randomly can be effectively avoided, and the stability of the measuring shaft in the operation process is ensured;

3. through threaded connection between lag and the connecting block, made things convenient for the installation and the dismantlement to the lag, sheltered from the limited pole through the lag, avoided restricting the problem that the pole hurt people in handling, guaranteed the security of transport.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the measuring stand and the mounting block of the present invention;

FIG. 3 is a schematic view of the top view cross-sectional structure of the installation block and the measuring stand of the present invention;

fig. 4 is the overall structure schematic diagram of the installation block of the present invention.

In the figure: 1. a measuring frame; 2. a chute; 3. mounting blocks; 4. scale lines; 5. a first bearing; 6. installing a shaft; 7. a pointer; 8. a measuring shaft; 9. mounting a plate; 10. a limiting block; 11. a spring; 12. a support pillar; 13. a second bearing; 14. connecting blocks; 15. a restraining bar; 16. a protective sleeve; 17. a level gauge.

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. 1-4, the present invention provides a technical solution: a coal mining surface subsidence area crack measuring device comprises a measuring frame 1, a sliding groove 2, an installation block 3, a scale mark 4, a first bearing 5, an installation shaft 6, a pointer 7, a measuring shaft 8, an installation plate 9, a limiting block 10, a spring 11, a supporting column 12, a second bearing 13, a connecting block 14, a limiting rod 15, a protective sleeve 16 and a level gauge 17, wherein the sliding groove 2 is reserved on the front side wall and the rear side wall of the measuring frame 1, the installation block 3 is installed inside the sliding groove 2, the installation shaft 6 is installed in the middle of the installation block 3 in a rotating mode through the first bearing 5, the pointer 7 is fixed on the outer end face of the installation shaft 6, the measuring shaft 8 is fixed on the inner end of the installation shaft 6, the installation plate 9 is fixed on the surface of one side of the installation block 3 away from the center of the measuring frame 1 in a welding mode, the limiting block 10 is formed in the middle of the installation plate 9, the, the lower end of the support column 12 is provided with a connecting block 14, the lower end of the connecting block 14 is integrally provided with a limiting rod 15, the outer part of the connecting block 14 is in threaded connection with a protective sleeve 16, and the outer side surface of the measuring frame 1 is provided with a level gauge 17;

as shown in fig. 1 and 3, the mounting block 3 and the chute 2 form a clamping type sliding structure, and the bottom of the chute 2 is of a concave-convex structure, so that the distance between the 2 measuring shafts 8 can be conveniently adjusted, as shown in fig. 2 and 4, the scale marks 4 distributed on the mounting block 3 are arranged on the outer side of the mounting shaft 6 at equal angles, and the vertical section of the mounting block 3 is of a 'T' -shaped structure, so that the stability of the measuring shafts 8 is ensured;

spring 11 is located the below of stopper 10 in figure 1, and stopper 10 and mounting panel 9 constitute sliding structure, and the lower terminal surface of stopper 10 is connected with the upper surface block of installation piece 3, the fixed to measuring shaft 8 position has been made things convenient for, connecting block 14 rotates with support column 12 through second bearing 13 and is connected, and support column 12 is threaded connection for the mode with the connected mode of measuring rack 1, made things convenient for the whole horizontal installation of device, connecting block 14 constitutes "T" type structure with the combination of restriction pole 15, and restriction pole 15 is the toper structure, it is whole to have made things convenient for to fix the device.

The working principle is as follows: when the device for measuring the cracks in the subsidence area of the ground surface in coal mining is used, firstly, the protective sleeve 16 in threaded connection with the second bearing 13 is detached, then the device is installed above the cracks, the levelness of the measuring frame 1 is adjusted by rotating the supporting column 12 in threaded connection with the measuring frame 1 and matching the action of the level gauge 17, the measuring frame 1 is adjusted to be in a horizontal state, the stability of the device can be effectively ensured by inserting the limiting rod 15 into soil, meanwhile, the phenomenon of sinking can be avoided by the action of the connecting block 14, then the limiting block 10 is separated from the lower surface of the sliding groove 2 by lifting upwards, then the measuring shaft 8 is driven by the installing block 3 to slide to a proper position, then the pulling force on the limiting block 10 is removed, the limiting block 10 and the lower surface of the sliding groove 2 are clamped together, and the limitation of the position of the measuring shaft 8 is completed, and then, measurement operation is carried out through the measuring shaft 8, and the measurement method and the operation principle of the measuring shaft 8 in the scheme are the same as those of the measurement method and the operation principle of the measuring shaft 8 in the authorized publication number CN209783495U, namely the use method of the device for measuring the cracks in the subsidence area of the coal mining ground surface.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

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. The utility model provides a coal mining earth's surface collapse area crack measuring device, includes measuring frame (1), spring (11) and spirit level (17), its characterized in that: the measuring rack is characterized in that sliding grooves (2) are reserved in the front side wall and the rear side wall of the measuring rack (1), an installation block (3) is arranged inside the sliding grooves (2), an installation shaft (6) is installed in the middle of the installation block (3) in a rotating mode through a first bearing (5), a pointer (7) is fixed to the outer end face of the installation shaft (6), a measuring shaft (8) is fixed to the inner end of the installation shaft (6), an installation plate (9) is fixed to one side surface, away from the center of the measuring rack (1), of the installation block (3) in a welded mode, a limiting block (10) is formed in the middle of the installation plate (9), a spring (11) is wound on the outer side of the limiting block (10), supporting columns (12) are formed at the left end and the right end of the measuring rack (1), a connecting block (14) is installed at the lower end of each supporting column, and the outer part of the connecting block (14) is in threaded connection with a protective sleeve (16), and the outer side surface of the measuring frame (1) is provided with a level gauge (17).

2. The coal mining surface subsidence area crack measuring device of claim 1, wherein: the mounting block (3) and the sliding groove (2) form a clamping type sliding structure, and the bottom of the sliding groove (2) is of a concave-convex structure.

3. The coal mining surface subsidence area crack measuring device of claim 1, wherein: the outer side of the mounting shaft (6) is provided with scale marks (4) distributed on the mounting block (3) at equal angles, and the vertical section of the mounting block (3) is of a T-shaped structure.

4. The coal mining surface subsidence area crack measuring device of claim 1, wherein: the spring (11) is located below the limiting block (10), the limiting block (10) and the mounting plate (9) form a sliding structure, and the lower end face of the limiting block (10) is connected with the upper surface of the mounting block (3) in a clamping mode.

5. The coal mining surface subsidence area crack measuring device of claim 1, wherein: the connecting block (14) is rotatably connected with the supporting column (12) through a second bearing (13), and the supporting column (12) is in threaded connection with the measuring frame (1).

6. The coal mining surface subsidence area crack measuring device of claim 1, wherein: the connecting block (14) and the limiting rod (15) are combined to form a T-shaped structure, and the limiting rod (15) is in a conical structure.