CN219798295U - Coal mine roadway support anchor rod angle measuring device - Google Patents

Abstract

The utility model discloses an angle measuring device for a coal mine roadway support anchor rod, which comprises a storage rod, wherein an angle measuring rod is rotatably arranged on the storage rod, a storage groove matched with the angle measuring rod is formed in the storage rod, a sleeve rod is fixedly arranged on the angle measuring rod, a sliding rod is slidably arranged on the sleeve rod, a fixed rod is fixedly arranged on the sliding rod, and a groove body is formed in each of the fixed rod, the sliding rod, the sleeve rod and the angle measuring rod. The advantages are that: the measuring accuracy is high, the measuring operation is simple and convenient, the measuring accuracy can be improved by measuring for a plurality of times, and meanwhile, the angle measurement can be carried out on the steel pipe supporting anchor rod, so that the application range is enlarged.

Description

Coal mine roadway support anchor rod angle measuring device

Technical Field

The utility model relates to the technical field of supporting anchor rod detection, in particular to a coal mine roadway supporting anchor rod angle measuring device.

Background

The anchor bolt support is a reinforcement support mode adopted in construction of slopes, rock and soil deep foundation pits, coal mine tunnels and the like, plays a role in collapse prevention, is mainly made of steel materials and wood, has corresponding regulations on requirements on support anchor bolts, and needs professional detection units to measure and detect the length and the angle of the support anchor bolts after construction, wherein angle measurement needs to be carried out by arranging an angle measurement device.

The existing angle measuring device is matched with the angle measuring device through a manual practical laser level meter and the angle measuring device, the angle measuring device is manually aligned with the laser to measure through the manual operation, the angle measuring device is required to be attached to the supporting anchor rod in the process, the surface of the supporting anchor rod is not smooth and is affected by an external nut and a supporting plate, certain errors exist in attaching and observing, the measuring accuracy is low, and the steel pipe anchor rod is adopted by a part of the supporting anchor rod, so that the angle measuring device cannot be used for measuring, and certain limitations exist in use.

Therefore, the novel coal mine roadway support anchor rod angle measuring device can be used for solving the defects in the prior art.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a coal mine roadway support anchor rod angle measuring device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a colliery roadway support stock angle measurement device, includes accomodates the pole, it installs the angle pole to accomodate the pole on the rotation, accomodate the pole on offered with angle pole matched with accomodate the groove, fixed mounting has the loop bar on the angle pole, slidable mounting has the slide bar on the loop bar, fixed mounting has fixed pole on the slide bar, fixed pole, slide bar, loop bar and angle pole on all having offered a cell body, equal fixed mounting has a nut on angle pole and the fixed pole, two equal screw thread rotation installs a screw rod on the nut, two equal fixed mounting has a fluted disc on the screw rod, and equal rotation installs a butt plate on two screw rods, fixed mounting has the fixed plate on accomodating the pole, fixed mounting has the level gauge on the fixed plate.

In the coal mine roadway support anchor rod angle measuring device, the angle measuring rod and the storage rod are fixedly provided with the magnets which are matched with each other.

In the device for measuring the angle of the supporting anchor rod of the coal mine roadway, the inserted rod is arranged on the loop bar through the sliding structure, a plurality of slots matched with the inserted rod are formed in the sliding bar, and a pressing structure is arranged between the inserted rod and the loop bar.

In the coal mine roadway support anchor rod angle measuring device, the sliding structure comprises sliding blocks and sliding grooves, a plurality of sliding blocks are fixedly mounted on the inserted link, and a plurality of sliding grooves matched with the corresponding sliding blocks are formed in the sleeve link.

In the coal mine roadway support anchor rod angle measuring device, the pressing structure comprises a fixed disc and springs, the fixed disc is fixedly arranged on the inserted link, and a plurality of springs are fixedly arranged between the fixed disc and the loop bar.

In the coal mine roadway support anchor rod angle measuring device, one end, far away from the slot, of the inserted link is fixedly provided with a pull ring, and the inner side of the pull ring is fixedly provided with a rubber ring.

Compared with the prior art, the utility model has the advantages that:

1: through setting up screw rod, nut and butt plate, can carry out the centre gripping to the support stock and fix to this prevents to shake, cooperates the use of level ware simultaneously, and the level bubble level in the steerable level ware is with this to carry out angle measurement to the support stock, only need measure accomodate the contained angle between pole and the angulometer rod can, the surface is smooth relatively, measuring error is little.

2: through setting up inserted bar, slot, loop bar and slide bar, the interval between adjustable volume angle bar and the dead lever to measure in order to survey different positions more, improve measuring accuracy, still can insert the steel pipe support stock with volume angle bar and the dead lever simultaneously, measure the steel pipe support stock with this, enlarged measuring range.

In conclusion, the utility model has high measurement accuracy, simple and convenient measurement operation, can also carry out multiple measurements to improve the measurement accuracy, can also carry out angle measurement on the steel pipe supporting anchor rod, and expands the application range.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic diagram of a coal mine roadway support anchor rod angle measuring device;

fig. 2 is an enlarged schematic detail view of the portion a in fig. 1.

In the figure: the device comprises a storage rod 1, an angle measuring rod 2, a sleeve rod 3, a slide rod 4, a fixed rod 5, a groove body 6, a nut 7, a screw rod 8, a fluted disc 9, a bearing plate 10, a fixed plate 11, a level device 12, a magnet 13, a plug rod 14, a slot 15, a fixed disc 16, a spring 17 and a pull ring 18.

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. 1-2, a coal mine roadway support anchor rod angle measuring device comprises a storage rod 1, wherein a corner measuring rod 2 is rotatably installed on the storage rod 1, a storage groove matched with the corner measuring rod 2 is formed in the storage rod 1, a sleeve rod 3 is fixedly installed on the corner measuring rod 2, a sliding rod 4 is slidably installed on the sleeve rod 3, a fixed rod 5 is fixedly installed on the sliding rod 4, a groove body 6 is formed in each of the fixed rod 5, the sliding rod 4, the sleeve rod 3 and the corner measuring rod 2, a nut 7 is fixedly installed on each of the corner measuring rod 2 and the fixed rod 5, a screw rod 8 is rotatably installed on each of the two nuts 7, a fluted disc 9 is fixedly installed on each of the two screws 8, a retaining plate 10 is rotatably installed on each of the two screws 8, a fixed plate 11 is fixedly installed on the storage rod 1, and a level 12 is fixedly installed on the fixed plate 11;

the following points are notable:

1. the angle measuring rod 2 and the storage rod 1 are fixedly provided with a magnet 13 which is matched with each other, and the function of the arrangement is to facilitate storage of the angle measuring rod 2.

2. The inserted link 14 is installed through sliding structure on the loop bar 3, a plurality of slots 15 matched with the inserted link 14 are formed in the sliding bar 4, a pressing structure is installed between the inserted link 14 and the loop bar 3, the function of the arrangement is to adjust the distance between the fixed bar 5 and the angle measuring bar 2, so that multiple different point position measurements can be performed, and the accuracy of measurement is improved.

3. The sliding structure comprises a sliding block and a sliding groove, a plurality of sliding blocks are fixedly arranged on the inserted link 14, a plurality of sliding grooves matched with the corresponding sliding blocks are formed in the sleeve link 3, and the sliding structure is used for preventing the inserted link 14 from being in direct contact with the sleeve link 3, so that the service life of the inserted link 14 is effectively prolonged.

4. The pressing structure comprises a fixed disc 16 and springs 17, the fixed disc 16 is fixedly arranged on the inserted link 14, a plurality of springs 17 are fixedly arranged between the fixed disc 16 and the loop bar 3, and the function of the pressing structure is to increase the clamping force between the inserted link 14 and the slot 15 and improve the clamping stability.

5. The end of the inserted link 14 far away from the slot 15 is fixedly provided with a pull ring 18, and the inner side of the pull ring 18 is fixedly provided with a rubber ring, so that the inserted link 14 is conveniently pulled to separate the inserted link 14 from the slot 15.

Firstly, inserting a supporting anchor rod into a groove body 6, then rotating a fluted disc 9 to drive a screw rod 8 to rotate, enabling a resisting plate 10 to prop against the supporting anchor rod under the action of a nut 7 so as to clamp the supporting anchor rod, then rotating a storage rod 1 to enable a level 12 to be horizontal, at the moment, the included angle between a measuring angle rod 2 and the storage rod 1 is the angle of the supporting anchor rod, and then pulling out an inserting rod 14 from a slot 15 to adjust the interval between a fixed rod 5 and the measuring angle rod 2 so as to measure different points for a plurality of times; similarly, the measurement of the steel pipe supporting anchor rod is achieved by inserting the angle measuring rod 2 and the fixed rod 5 into the steel pipe, rotating the fluted disc 9 before insertion, enabling the fluted disc 9 to prop against the steel pipe, and then inserting.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a colliery roadway support stock angle measurement device, includes accomodates pole (1), its characterized in that, accomodate and rotate on pole (1) and install angle pole (2), accomodate on pole (1) set up with angle pole (2) matched with accomodate the groove, fixed mounting has loop bar (3) on angle pole (2), slidable mounting has slide bar (4) on loop bar (3), fixed mounting has dead lever (5) on slide bar (4), all offered a cell body (6) on dead lever (5), slide bar (4), loop bar (3) and angle pole (2), equal fixed mounting has a nut (7) on angle pole (2) and dead lever (5), two equal screw thread rotates on nut (7) installs a screw rod (8), two equal fixed mounting has a fluted disc (9) on screw rod (8), and equal rotation installs a board (10) on two screw rods (8), accomodate on pole (1) and have fixed mounting on fixed mounting board (11).

2. The device for measuring the angle of the supporting anchor rod of the coal mine tunnel according to claim 1, wherein the angle measuring rod (2) and the receiving rod (1) are fixedly provided with a magnet (13) which is matched with each other.

3. The coal mine roadway support anchor rod angle measuring device according to claim 1, wherein the sleeve rod (3) is provided with an inserting rod (14) through a sliding structure, the sliding rod (4) is provided with a plurality of slots (15) matched with the inserting rod (14), and a pressing structure is arranged between the inserting rod (14) and the sleeve rod (3).

4. The device for measuring the angle of the supporting anchor rod of the coal mine tunnel according to claim 3, wherein the sliding structure comprises sliding blocks and sliding grooves, a plurality of sliding blocks are fixedly installed on the inserted link (14), and a plurality of sliding grooves matched with the corresponding sliding blocks are formed in the sleeve link (3).

5. A coal mine roadway support anchor rod angle measuring device according to claim 3, wherein the pressing structure comprises a fixed disc (16) and springs (17), the fixed disc (16) is fixedly arranged on the inserted link (14), and a plurality of springs (17) are fixedly arranged between the fixed disc (16) and the loop bar (3).

6. The device for measuring the angle of the supporting anchor rod of the coal mine tunnel according to claim 5, wherein a pull ring (18) is fixedly arranged at one end, far away from the slot (15), of the inserting rod (14), and a rubber ring is fixedly arranged at the inner side of the pull ring (18).