Mining height measuring device for mining face

Abstract

The utility model belongs to the technical field of measurement, and particularly discloses a mining face mining height measuring device which comprises a support, a box body is arranged at the top of the support, a partition plate is fixedly connected in the box body, a rotating frame is fixedly connected to the top of the partition plate, a measuring rod is rotationally connected in the rotating frame, and a measuring rod is arranged in the measuring rod. The interior of the measuring rod is of a hollow structure, the interior of the measuring rod is slidably connected with an extension measuring rod extending to the exterior of the measuring rod, and the measuring rod, the extension measuring rod and the extension measuring rod can be stored and protected through mutual cooperation of the box body and the box cover; the measuring rod, the extension measuring rod and the extension measuring rod are prevented from being directly exposed in the external environment to a certain extent, the situation that the measuring rod, the extension measuring rod and the extension measuring rod are damaged due to the fact that objects in the external environment are prone to colliding with the measuring rod, the extension measuring rod and the extension measuring rod is reduced, and the service life of the device is prolonged to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measurement technology, concretely to a mining working face mining height measuring device. BACKGROUND

[0002] Mining is the technology and science of mining mineral resources from the earth's crust and the surface. In the basic principles of underground mining of metal deposits, it has been stated that underground mining of metal deposits must first divide the mine field into stages (or panels), and then divide the stages (or panels) into ore blocks (or mining areas). The ore block is the basic mining unit. Mining method should be defined as: mining method is the study of mining methods in ore blocks. It is the organic combination of mining preparation, cutting and mining work in space and time. Mining method is the general term for mining preparation, cutting and mining work.

[0003] After searching, the existing Chinese patent with publication number CN216308959U provides a mining working face mining height measuring device. The device includes a base plate, a placement box fixedly connected to the top outer wall of the base plate, a guide rail opened in the top outer wall of the placement box, a first scale plate slidingly connected to the inner wall of the guide rail, a rectangular hole opened in the top outer wall of the first scale plate, a second scale plate slidingly connected to the inner wall of the rectangular hole, a same piston plate slidingly connected to the inner walls on both sides of the first scale plate, and the second scale plate fixedly connected to the top outer wall of the piston plate.

[0004] Although the above-mentioned patent can measure the mining height of different height positions of the mining working face, the above-mentioned device still has the following problems: during use, the device is directly exposed to the external environment when not in use, and the sliding fitting parts between the guide rail, the first scale plate and the second scale plate are easily filled with dust, which causes sliding to be not smooth, stuck or even worn, seriously affecting the smoothness and accuracy of the measurement. At the same time, it is easy for objects in the external environment to collide with the device, causing damage to the device. In view of the above situation, technical innovation is carried out on the basis of the existing device. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a mining working face mining height measuring device to solve the problems raised in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of mining working face mining height measuring device, the top of the support is provided with box, the inside of the box is fixedly connected with baffle, the top of the baffle is fixedly connected with rotating frame, the inside of the rotating frame is rotatably connected with measuring rod, the inside of the measuring rod is hollow structure, the inside of the measuring rod is slidably connected with extension measuring rod extending to the outside of measuring rod, the inside of the extension measuring rod is equipped with assembly slot extending to the outside of extension measuring rod, the inside of the assembly slot is equipped with extension frame, the top of the box is rotatably connected with box cover, and box cover is equipped with stable fixed position slot.

[0007] Preferably, the rotating frame is concave, the cross section of the extension frame is square, and the extension frame is fixed in the inside of the assembly slot by bolts.

[0008] Preferably, the inside of the box cover is equipped with moving slot, the inside of the moving slot is slidably connected with shutter, the cross section of the shutter is T-shaped, and the shutter is composed of a horizontal plate and a vertical plate.

[0009] Preferably, one side of the box is fixedly connected with fixed plate, the vertical plate of the shutter is equipped with stable slot, the inside of the fixed plate is equipped with power slot, the inside of the power slot is slidably connected with power frame extending to the outside of power slot, the cross sections of the power frame and the power slot are both L-shaped, and the side of the power frame close to the stable slot is inserted into the inside of the stable slot.

[0010] Preferably, the inside of the moving slot is fixedly connected with limiting rod, and the surface of the limiting rod is slidably connected with the inside of the shutter.

[0011] Preferably, the inside of the moving slot is fixedly connected with first spring sleeved on the limiting rod, and the end of the first spring close to the shutter is fixedly connected with the surface of the shutter.

[0012] Preferably, the inside of the measuring rod is equipped with sliding slot extending to the outside of measuring rod, and the inside of the sliding slot is slidably connected with connecting frame fixedly connected with the surface of the extension measuring rod.

[0013] Preferably, the top of the connecting frame is fixedly connected with measuring positioning rod, the measuring positioning rod is equipped with fixed bolt, the inside of the power slot is fixedly connected with second spring, and the end of the second spring close to the power slot is fixedly connected with the surface of the power slot.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The mining working face height measuring device, through the mutual cooperation of the box body and the box cover, can protect the measuring rod, the extended measuring rod and the extended measuring rod, and to a certain extent, reduce the direct exposure of the measuring rod, the extended measuring rod and the extended measuring rod to the external environment, so that the objects in the external environment are easy to collide with the measuring rod, the extended measuring rod and the extended measuring rod, causing damage, and prolonging the service life of the device, making it easier for workers to use the device, and making the device more convenient to store.

[0016] 2. The mining working face height measuring device, after the worker completely slides the extension frame out of the inside of the assembly slot, the worker rotates the extended measuring rod by one hundred and eighty degrees, so that the bottom of the extended measuring rod faces upwards, then the extension frame is slid into the inside of the assembly slot again, so that the extended measuring rod can be used for measurement, and the extension frame is slid into the inside of the assembly slot and fixed with bolts, thereby realizing the extended measurement of the device, increasing the measurement range of the device, and making it easier for workers to use the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural diagram of the mining working face height measuring device of the utility model;

[0018] Figure 2 is a structural diagram of the extended measuring rod of the utility model;

[0019] Figure 3 is a structural diagram of the measuring rod of the utility model;

[0020] Figure 4 is a structural diagram of the moving slot of the utility model;

[0021] Figure 5 is a structural diagram of the extended measuring rod of the utility model.

[0022] In the figure: 1, support; 2, box body; 3, box cover; 4, partition; 5, rotating frame; 6, measuring rod; 7, sliding slot; 8, connecting frame; 9, measuring positioning rod; 10, stable positioning groove; 11, shutter; 12, moving slot; 13, limiting rod; 14, first spring; 15, stable groove; 16, power frame; 17, fixed plate; 18, power groove; 19, second spring; 20, assembly slot; 21, extension frame; 22, extended measuring rod; 23, extended measuring rod. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-5The utility model provides technical scheme: a mining working face adopts high measurement device, including support 1, the top of support 1 is provided with box 2, the inside fixed connection of box 2 has the baffle 4, the top fixed connection of baffle 4 has rotary stand 5, and rotary stand 5 is concave, and the inside rotation of rotary stand 5 is connected with measuring rod 6, and the inside of measuring rod 6 is hollow structure, and measuring rod 6 is provided with measuring scale, and the inside sliding connection of measuring rod 6 has the extension measuring rod 23 extending to the outside of measuring rod 6, and the inside of extension measuring rod 23 is set with the assembly slot 20 extending to the outside of extension measuring rod 23, and the inside of assembly slot 20 is provided with extension frame 21, and the section of extension frame 21 is the shape of the Chinese character, and extension frame 21 is fixed in the inside of assembly slot 20 through bolt, and one side fixed connection of extension frame 21 has extension measuring rod 22, and the same measuring scale is set up on extension measuring rod 23 and extension measuring rod 22, and the top rotation of box 2 is connected with lid 3, and through the mutual cooperation of box 2 and lid 3, can make measuring rod 6, extension measuring rod 23 and extension measuring rod 22 get the protection of storage, and to a certain extent reduce measuring rod 6, extension measuring rod 23 and extension measuring rod 22 are directly exposed in the external environment, make the object in the external environment easy to collide with measuring rod 6, extension measuring rod 23 and extension measuring rod 22, make its appear damage condition, and make the service life of device get certain extension, make staff can conveniently use device, simultaneously make device can more conveniently store, and the stable fixed position groove 10 is set up on lid 3, and measuring rod 6 can move and position in the inside of stable fixed position groove 10.

[0024] The inside of lid 3 is set up with moving groove 12, and the inside sliding connection of moving groove 12 has shutter 11, and the section of shutter 11 is T-shaped, and shutter 11 is composed of a horizontal plate and a vertical plate, and through shutter 11 can shield stable fixed position groove 10, and make device can better protect, and one side fixed connection of box 2 has fixed plate 17, and the vertical plate of shutter 11 is set up with stable groove 15, and the inside of fixed plate 17 is set up with power groove 18, and the inside sliding connection of power groove 18 has power frame 16 extending to the outside of power groove 18, and the section of power frame 16 and power groove 18 is L-shaped, and the inside insertion of power frame 16 close to stable groove 15 with stable groove 15, and power frame 16 can slide into and slide out the inside of stable groove 15, and realize the position fixation and fixed release of lid 3, thereby make the position fixation of lid 3 more convenient, make device can more smoothly protect connecting frame 8.

[0025] The inside of the moving groove 12 is fixedly connected with a limiting rod 13, the surface of the limiting rod 13 is slidably connected with the inside of the shutter 11, the inside of the moving groove 12 is fixedly connected with a first spring 14 which is sleeved on the limiting rod 13, one end of the first spring 14 close to the shutter 11 is fixedly connected with the surface of the shutter 11, the first spring 14 can be compressed and reset through the movement of the shutter 11.

[0026] The inside of the measuring rod 6 is provided with a sliding groove 7 extending to the outside of the measuring rod 6, the inside of the sliding groove 7 is slidably connected with a connecting frame 8 fixedly connected with the surface of the extending measuring rod 23, the cross section of the connecting frame 8 is L-shaped, the top of the connecting frame 8 is fixedly connected with a measuring positioning rod 9, the measuring positioning rod 9 is provided with a fixing bolt, the position of the measuring positioning rod 9 can be positioned and fixed by screwing the bolt to tightly abut against the surface of the measuring rod 6, at the same time, the position of the extending measuring rod 23 can be adjusted by moving the connecting frame 8 driven by the measuring positioning rod 9, the inside of the power groove 18 is fixedly connected with a second spring 19, one end of the second spring 19 close to the power groove 18 is fixedly connected with the surface of the power groove 18.

[0027] When the extending measuring rod 22 needs to be used, the worker slides the extending frame 21 out of the inside of the assembly groove 20, rotates the extending measuring rod 22 by one hundred and eighty degrees, makes the bottom of the extending measuring rod 22 upward, slides the extending frame 21 into the inside of the assembly groove 20 again, and fixes it with the bolt, so as to realize the extension measurement of the device, increase the measurement range of the device, and make the worker use the device more conveniently.

[0028] Working principle: for this kind of mining working face height measurement device, the measuring rod 6, the extending measuring rod 23 and the extending measuring rod 22 can be stored and protected through the mutual cooperation of the box body 2 and the box cover 3, to a certain extent, the measuring rod 6, the extending measuring rod 23 and the extending measuring rod 22 are not directly exposed to the external environment, the objects in the external environment are easy to collide with the measuring rod 6, the extending measuring rod 23 and the extending measuring rod 22, so as to cause damage to them, the service life of the device is prolonged to a certain extent, the worker can use the device conveniently, and the device can be stored more conveniently.

[0029] When the device needs to be used for measurement, the box cover 3 is opened by the worker, the measuring rod 6 is turned out of the inside of the box body 2 in the inside of the rotating frame 5, the shutter 11 is moved to open the stable fixing groove 10, and the box cover 3 is closed, the measuring rod 6 slides into the inside of the stable fixing groove 10 in the process of closing the box cover 3, the stable fixing groove 10 can fix and position the measuring rod 6, the measuring rod 6 can be more stable for measurement, the worker can screw the bolt, the bolt can abut against the surface of the measuring rod 6, so that the position of the measuring and positioning rod 9 is fixed and positioned, and the connecting frame 8 is moved by the measuring and positioning rod 9, so that the position of the extended measuring rod 23 is adjusted;

[0030] When the extended measuring rod 22 needs to be used, the worker makes the extended measuring rod 22 rotate one hundred and eighty degrees after the extended frame 21 is completely slid out of the inside of the assembly groove 20, the bottom of the extended measuring rod 22 faces upwards, the extended frame 21 is slid into the inside of the assembly groove 20 again, and the bolt is used for fixing, so that the extended measurement of the device is realized, the range that the device can measure is increased, and the worker can use the device more conveniently.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mining face height measuring device, comprising a support (1), characterized in that: A box body (2) is provided at the top of the bracket (1). A partition plate (4) is fixedly connected inside the box body (2). A rotating frame (5) is fixedly connected to the top of the partition plate (4). A measuring rod (6) is rotatably connected inside the rotating frame (5). The inside of the measuring rod (6) is a hollow structure. An extended measuring rod (23) extending to the outside of the measuring rod (6) is slidably connected inside the measuring rod (6). An assembly groove (20) extending to the outside of the extended measuring rod (23) is provided inside the extended measuring rod (23). An extension frame (21) is provided inside the assembly groove (20). An extended measuring rod (22) is fixedly connected to one side of the extension frame (21). A box cover (3) is rotatably connected to the top of the box body (2). A stable positioning groove (10) is provided on the box cover (3).

2. The mining face height measuring device according to claim 1, characterized in that: The rotating frame (5) is concave-shaped. The cross-section of the extension frame (21) is U-shaped. The extension frame (21) is fixed inside the assembly groove (20) by bolts.

3. The mining face height measuring device according to claim 1, characterized in that: A moving groove (12) is provided inside the box cover (3). A shielding plate (11) is slidably connected inside the moving groove (12). The cross-section of the shielding plate (11) is T-shaped. The shielding plate (11) is composed of a horizontal plate and a vertical plate.

4. A mining face height measuring device according to claim 3, characterized in that: A fixing plate (17) is fixedly connected to one side of the box body (2). A stable groove (15) is provided on the vertical plate of the shielding plate (11). A power groove (18) is provided inside the fixing plate (17). A power frame (16) extending to the outside of the power groove (18) is slidably connected inside the power groove (18). The cross-sections of the power frame (16) and the power groove (18) are both L-shaped. One side of the power frame (16) close to the stable groove (15) is inserted into the inside of the stable groove (15).

5. A mining face height measuring device according to claim 4, characterized in that: A limiting rod (13) is fixedly connected inside the moving groove (12). The surface of the limiting rod (13) is slidably connected to the inside of the shielding plate (11).

6. A mining face height measuring device according to claim 5, characterized in that: A first spring (14) sleeved on the limiting rod (13) is fixedly connected inside the moving groove (12). One end of the first spring (14) close to the shielding plate (11) is fixedly connected to the surface of the shielding plate (11).

7. A mining face height measuring device according to claim 6, characterized in that: A sliding groove (7) extending to the outside of the measuring rod (6) is provided inside the measuring rod (6). A connecting frame (8) fixedly connected to the surface of the extended measuring rod (23) is slidably connected inside the sliding groove (7).

8. A mining face height measuring device according to claim 7, characterized in that: A measuring positioning rod (9) is fixedly connected to the top of the connecting frame (8). A fixing bolt is provided on the measuring positioning rod (9). A second spring (19) is fixedly connected inside the power groove (18). One end of the second spring (19) close to the power groove (18) is fixedly connected to the surface of the power groove (18).

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