CN211666716U

CN211666716U - Positioning device

Info

Publication number: CN211666716U
Application number: CN201921658996.XU
Authority: CN
Inventors: 高成; 刘玉良; 马自锋; 王峰
Original assignee: Shenhua Guoneng Group Corp Ltd
Current assignee: Shenhua Guoneng Group Corp Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-10-13
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a positioning device, it is used for being connected with the roof in tunnel, and this positioning device includes: the fixing support comprises a support main body, a connecting rod, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are arranged on the support main body and are arranged oppositely, one end of the connecting rod is connected with the support main body, and the other end of the connecting rod is connected with the top plate; the laser instrument, the laser instrument set up in first splint with between the second splint, the laser instrument with the support main part contacts. Among the above-mentioned positioner, the one end and the support bulk phase of connecting rod are connected, and the other end of connecting rod is connected with the roof in tunnel, because the roof mainly is rock layer or coal seam, consequently positioner is connected relatively the fastening with the roof to make positioner be difficult to take place the incline, make the direction position of laser instrument be difficult to the deviation appears, and then improved the engineering quality of tunnelling.

Description

Positioning device

Technical Field

The utility model relates to a laser positioning technical field especially relates to a positioner.

Background

In the process of coal mine roadway excavation operation, a laser instrument is needed to position the roadway excavation direction, so that the engineering quality of roadway excavation is ensured.

The top net is usually laid on the top plate of the roadway and is used for preventing coal blocks or stone blocks on the top plate from falling off, so that the safety of operators is guaranteed. Typically the laser is placed on a fixed support that is fixed to the top net.

When falling off, the coal blocks or the stones on the top plate of the roadway can impact the top net, so that the fixed support shakes; when a large amount of coal blocks or stones fall on the top net, the top net can be deformed, so that the fixed support is deflected, the guiding direction of the laser instrument is deviated, the direction of roadway excavation is deviated, and the engineering quality of roadway excavation is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a positioning device to solve the problem that the engineering quality of tunnelling is low.

In order to solve the above problem, the utility model adopts the following technical scheme:

a positioning device for connection with a roof of a roadway, comprising:

the fixing support comprises a support main body, a connecting rod, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are arranged on the support main body and are arranged oppositely, one end of the connecting rod is connected with the support main body, and the other end of the connecting rod is connected with the top plate;

the laser instrument, the laser instrument set up in first splint with between the second splint, the laser instrument with the support main part contacts.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses an among the positioner, the one end and the support bulk phase of connecting rod are connected, and the other end of connecting rod is connected with the roof in tunnel, because the roof mainly is rock layer or coal seam, consequently positioner is connected relatively fastening with the roof to make positioner be difficult to take place the incline, make the direction position of laser instrument be difficult to the deviation appears, and then improved the engineering quality of tunnelling.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic view of a positioning device disclosed in an embodiment of the present invention;

fig. 2 is a schematic structural view of a moving portion and a lifting plate of the positioning device disclosed in the embodiment of the present invention.

Description of reference numerals:

100-fixed support, 110-support body, 111-fixed part, 112-moving part, 113-first through hole, 120-connecting rod, 130-first clamping plate, 131-second through hole, 140-second clamping plate, 150-lifting plate, 200-laser instrument, 300-screw rod, 310-first nut, 320-second nut, 400-jackscrew and 500-rotating shaft.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, an embodiment of the present invention discloses a positioning device, which is used for being connected with a top plate of a roadway. Specifically, the positioning device can be applied to the tunneling positioning of a coal mine tunnel or the tunneling positioning of an engineering tunnel. The positioning device may specifically include a fixed support 100 and a laser instrument 200.

The fixing bracket 100 includes a bracket body 110, a connecting rod 120, a first clamping plate 130 and a second clamping plate 140, wherein the first clamping plate 130 and the second clamping plate 140 are both disposed on the bracket body 110, and are disposed oppositely. The connecting rod 120 has one end connected to the bracket body 110 and the other end connected to the top plate. Specifically, the bracket main body 110, the first clamping plate 130 and the second clamping plate 140 may be made of steel plates with a thickness of 2mm, the first clamping plate 130 and the second clamping plate 140 are welded to the bracket main body 110, the connecting rod 120 may be a steel pipe, a chemical bolt may be welded to one end of the connecting rod 120, and the top plate may be provided with a mounting hole, and the chemical bolt is installed in the mounting hole to realize the fixed connection between the positioning device and the top plate. However, in this way, the connecting rod 120 needs to be welded with a chemical bolt, so that the manufacturing cost of the positioning device is high, and meanwhile, the installation steps of the positioning device are complex, so that the connecting rod 120 can be connected with the supporting anchor rod of the fixed top net, the supporting anchor rod is provided with a screw thread, and the connecting rod 120 can be in threaded connection with the supporting anchor rod.

The laser instrument 200 is disposed between the first clamping plate 130 and the second clamping plate 140, and the laser instrument 200 is in contact with the holder main body 110. Specifically, the positioning device further includes a threaded connector, the first clamping plate 130 and/or the second clamping plate 140 is provided with a second through hole 131, the laser instrument 200 is provided with a third through hole, the third through hole is opposite to the second through hole 131, and the threaded connector passes through the second through hole 131 and the third through hole and fixes the laser instrument 200 and the first clamping plate 130 and/or the second clamping plate 140. In the structure, the laser instrument 200 is connected with the first clamping plate 130 and/or the second clamping plate 140 through the threaded connection piece, so that the laser instrument 200 is connected and fastened with the fixed support 100, and the reliability of the positioning device is improved.

The embodiment of the utility model provides an in, the one end of connecting rod 120 is connected with support main part 110, and the other end of connecting rod 120 is connected with the roof in tunnel, because the roof mainly is rock layer or coal seam, consequently positioner is connected relatively tightly with the roof to make positioner be difficult to take place the incline, make laser instrument 200's direction position be difficult to the deviation appears, and then improved the engineering quality of tunnelling.

In an alternative embodiment, the bracket body 110 includes a fixed portion 111 and a movable portion 112, the fixed portion 111 is slidably connected to the movable portion 112, the movable portion 112 is connected to the first clamping plate 130 and the second clamping plate 140, respectively, and the fixed portion 111 is connected to the connecting rod 120. In this way, the laser device 200 can move along with the moving part 112, so that the laser device 200 can be adjusted in the horizontal direction, the positioning accuracy of the laser device 200 is higher, and the performance of the positioning device is further improved. Specifically, the fixing portion 111 may be a bracket formed by welding steel pipes, the bracket may have a U-shaped structure, the main body of the moving portion 112 may be a steel plate, the steel pipes may be welded to both sides of the steel plate, or the edge of the steel plate may be pressed into an arc-shaped structure, and then the moving portion 112 is fitted over the fixing portion 111.

In order to solve the problem that the operator can push the moving part 112 to move so as to adjust the orientation of the laser device 200, which results in poor operation performance of the positioning device, in another embodiment, the positioning device further includes a screw rod 300, the screw rod 300 extends in the same direction as the moving direction of the moving part 112, and the screw rods 300 are respectively in threaded connection with the moving part 112 and the fixing part 111 to drive the moving part 112 to move relative to the fixing part 111. At this time, fine adjustment of the laser instrument 200 in the horizontal direction can be achieved by rotating the screw 300, so that the operability of the positioning device is improved, and meanwhile, the screw-thread fit has a self-locking function, so that an additional device is not required to be arranged to fix the relative position of the moving part 112 and the fixing part 111, so that the positioning device is simple to operate and low in manufacturing cost. Specifically, the screw 300 may be a screw 300 of M12, the fixing portion 111 is provided with a first nut 310, the moving portion 112 is provided with a second nut 320, and the screw 300 is in threaded connection with the first nut 310 and the second nut 320.

In order to further improve the safety and reliability of the positioning device, in an alternative embodiment, the fixing portion 111 is provided with a first limiting portion, the moving portion 112 is provided with a second limiting portion, and the first limiting portion and the second limiting portion are in limiting fit in the moving direction of the moving portion 112. At this time, the first and second limiting portions can prevent the stroke of the moving portion 112 from exceeding the adjustable range, thereby effectively preventing the damage of the positioning device, and further improving the safety and reliability of the positioning device. Specifically, the first position-limiting portion may be a protrusion, the second position-limiting portion may be a groove, the protrusion is in position-limiting fit with the groove, and the length of the groove is equal to the moving distance of the moving portion 112.

In order to further improve the positioning accuracy of the laser instrument 200, in a preferred embodiment, the bracket body 110 further includes a lifting plate 150, the lifting plate 150 overlaps the moving portion 112, the lifting plate 150 and the fixing portion 111 are respectively located at two sides of the moving portion 112, the lifting plate 150 is respectively connected to the first clamping plate 130 and the second clamping plate 140, and the lifting plate 150 is perpendicular to both the first clamping plate 130 and the second clamping plate 140, the lifting plate 150 is movable relative to the moving portion 112 in the extending direction of the connecting rod 120, and the laser instrument 200 is in contact with the lifting plate 150. In this way, the laser 200 can be adjusted in the height direction, thereby further improving the positioning accuracy of the laser 200. Specifically, the lifting plate 150 may be movable between the first clamping plate 130 and the second clamping plate 140, the laser instrument 200 may be placed on the lifting plate 150, and the fixing portion 111 may be provided with a threaded hole facing the lifting plate 150, through which a bolt passes to contact the lifting plate 150, and the bolt may be screwed to drive the lifting plate 150 to move.

However, in the above embodiment, since the first clamping plate 130 and the second clamping plate 140 are usually fixed to the laser apparatus 200, when adjusting the laser apparatus 200, the first clamping plate 130 and the second clamping plate 140 need to be separated from the laser apparatus 200, and then the position of the laser apparatus 200 needs to be adjusted, and when the adjustment is completed, the first clamping plate 130 and the second clamping plate 140 need to be fixedly connected to the laser apparatus 200. This way is complicated to operate, so that the working efficiency of the operator is reduced. In an alternative embodiment, the first clamping plate 130 and the second clamping plate 140 are both disposed on the lifting plate 150, and the lifting plate 150 is hinged to the moving portion 112. At this time, the first clamping plate 130 and the second clamping plate 140 are fixed on the lifting plate 150, the laser instrument 200 can be adjusted only by driving the lifting plate 150, and meanwhile, the lifting plate 150 is hinged to the moving part 112, so that the movement form of the lifting plate 150 is simple, and the operation of the positioning device is facilitated. Specifically, the lifting plate 150 and the moving part 112 may be connected by a rotating shaft 500, or the lifting plate 150 and the moving part 112 may be connected by a hinge. This disclosure provides only one alternative embodiment and is not intended to limit the specific structure of the present invention.

In order to further improve the operating performance of the positioning device, in an alternative embodiment, the positioning device further includes a top thread 400, the moving portion 112 is provided with a first through hole 113, the top thread 400 is in threaded connection with the first through hole 113, and one end of the top thread 400 passes through the first through hole 113 and contacts with the lifting plate 150. At this time, the height fine adjustment of the laser instrument 200 can be realized only by screwing the jackscrew 400, so that the operation of the positioning device is more convenient, the operation performance of the positioning device is further improved, and meanwhile, the components such as the jackscrew 400 belong to standard components, so that the manufacturing cost of the positioning device is lower. Specifically, the moving portion 112 may be made of a steel plate, and when the thickness of the steel plate is large, the first through hole 113 is a threaded hole; when the thickness of the steel plate is small, the first penetration hole 113 may be a nut provided on the moving part 112.

When the stroke of the lifting plate 150 exceeds the adjustment range, the adjustment function of the lifting plate 150 is disabled, thereby reducing the safety and reliability of the positioning device. In order to solve this problem, in another embodiment, a third position-limiting portion is disposed on the moving portion 112, and a fourth position-limiting portion is disposed on the lifting plate 150, and the third position-limiting portion and the fourth position-limiting portion are in position-limiting fit in the extending direction of the connecting rod 120. At this time, the third and fourth position-limiting portions can prevent the stroke of the lifting plate 150 from exceeding the adjustment range, thereby further improving the safety and reliability of the positioning device.

In an alternative embodiment, the first clamping plate 130 has a first side surface in a direction perpendicular to the first clamping plate 130, the second clamping plate 140 has a second side surface, the laser instrument 200 has a third side surface and a fourth side surface facing away from each other, the first side surface and the third side surface are disposed opposite to each other and attached to each other, and the second side surface and the fourth side surface are disposed opposite to each other and attached to each other. At this moment, the distance between the first clamping plate 130 and the second clamping plate 140 is equal to the width of the laser instrument 200, so that the laser instrument 200 is difficult to move between the first clamping plate 130 and the second clamping plate 140, the laser instrument 200 is effectively prevented from being inclined, and the reliability of the positioning device is higher.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A positioning device for being connected with a roof of a roadway, comprising:

the fixing support (100) comprises a support main body (110), a connecting rod (120), a first clamping plate (130) and a second clamping plate (140), wherein the first clamping plate (130) and the second clamping plate (140) are arranged on the support main body (110) and are arranged oppositely, one end of the connecting rod (120) is connected with the support main body (110), and the other end of the connecting rod is connected with the top plate;

laser instrument (200), laser instrument (200) set up in first splint (130) with between second splint (140), laser instrument (200) with support main part (110) contact.

2. The positioning device according to claim 1, wherein the bracket body (110) comprises a fixed portion (111) and a moving portion (112), the fixed portion (111) is slidably connected with the moving portion (112), the moving portion (112) is respectively connected with the first clamping plate (130) and the second clamping plate (140), and the fixed portion (111) is connected with the connecting rod (120).

3. The positioning device according to claim 2, further comprising a threaded rod (300), the threaded rod (300) extending in the same direction as the moving part (112), the threaded rod (300) being respectively in threaded connection with the moving part (112) and the fixed part (111) to drive the moving part (112) to move relative to the fixed part (111).

4. The positioning device according to claim 2, wherein the fixing portion (111) is provided with a first position-limiting portion, and the moving portion (112) is provided with a second position-limiting portion, and the first position-limiting portion and the second position-limiting portion are in position-limiting fit in the moving direction of the moving portion (112).

5. The positioning device according to claim 2, wherein the holder body (110) further comprises a lifting plate (150), the lifting plate (150) is overlapped with the moving portion (112), the lifting plate (150) and the fixing portion (111) are respectively located at both sides of the moving portion (112), the lifting plate (150) is respectively connected with the first clamping plate (130) and the second clamping plate (140), and the lifting plate (150) is perpendicular to both the first clamping plate (130) and the second clamping plate (140), the lifting plate (150) is movable relative to the moving portion (112) in an extending direction of the connecting rod (120), and the laser instrument (200) is in contact with the lifting plate (150).

6. The positioning device according to claim 5, wherein the first clamping plate (130) and the second clamping plate (140) are both arranged on the lifting plate (150), the lifting plate (150) being hinged with the moving part (112).

7. The positioning device according to claim 6, further comprising a top thread (400), wherein the moving portion (112) is provided with a first through hole (113), the top thread (400) is in threaded connection with the first through hole (113), and one end of the top thread (400) passes through the first through hole (113) and contacts with the lifting plate (150).

8. The positioning device according to claim 5, wherein a third position-limiting portion is provided on the moving portion (112), a fourth position-limiting portion is provided on the lifting plate (150), and the third position-limiting portion and the fourth position-limiting portion are in position-limiting fit in the extending direction of the connecting rod (120).

9. The positioning device according to claim 1, further comprising a threaded connector, wherein the first clamping plate (130) and/or the second clamping plate (140) is provided with a second through hole (131), the laser instrument (200) is provided with a third through hole, the third through hole is opposite to the second through hole (131), and the threaded connector passes through the second through hole (131) and the third through hole and fixes the laser instrument (200) and the first clamping plate (130) and/or the second clamping plate (140).

10. The positioning device of claim 1, wherein the first clamping plate (130) has a first side in a direction perpendicular to the first clamping plate (130), the second clamping plate (140) has a second side, and the laser instrument (200) has a third side and a fourth side facing away from each other, the first side being opposite to and abutting the third side, and the second side being opposite to and abutting the fourth side.