Roadway surface displacement measuring device
Technical Field
The utility model relates to a displacement measurement device, concretely relates to tunnel surface displacement measurement device.
Background
In the mining process of mineral resources, roadway surrounding rocks are influenced by mining stress along with the advance of a working face, and deformation of different degrees can occur. In order to ensure that mineral resources are safely and efficiently mined to the ground, the deformation of the surrounding rock of the roadway is measured, and the significance of mastering the condition of the surrounding rock of the roadway is great. When tunnel country rock surface displacement is measured, more adopt the cross to distribute the dot method and measure, and when adopting the cross to distribute the dot method to measure tunnel roof bottom plate and two group's deflection at present, generally use tape measure or laser range finder to measure, and in the measurement process, because the nonstandard and tunnel windy influence of people's operation often has great error.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel surface displacement measuring device, this device is through the measurement station of arranging in the tunnel location, through rotatory measuring apparatu, measures measurement station department distance. The device is simple to use, and the precision is higher.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a roadway surface displacement measuring device is characterized by comprising a rotating table, a fixed table, a laser range finder and a telescopic rod;
the center of the upper surface of the rotating table is a through round hole, a rectangular groove is formed in the edge position of the rotating table, and the level gauge is fixed in the rectangular groove in the upper surface of the rotating table;
a right bracket and a left bracket are fixed on the upper surface of the rotating platform, a rotating rod with a handle penetrates through the right bracket to be fixed with the right side of the laser range finder, and a threaded rotating rod penetrates through the left bracket to be fixed with the left side of the laser range finder;
a clamping groove is arranged on the right bracket;
an external thread hollow cylinder is fixed on the lower surface of the rotating platform, and the rotating platform is connected with the fixed platform through the external thread hollow cylinder;
a round hole is formed in the center of the fixed table, and the wall of the round hole is an internal thread;
the telescopic rod is connected with the fixed table through a connecting piece and can rotate, stretch and adjust the length;
preferably, the rotary rod with the handle comprises a rod body, one end of the rod body is provided with a rotary handle, a clamping rod is arranged close to the side of the rotary handle, the clamping rod is fixed at a clamping groove on the right support, the laser range finder is rotated through the rotary handle, and the laser range finder is fixed through the clamping groove on the right support.
Preferably, one end of the threaded rotating rod is an external threaded end, and a nut is arranged on the threaded rotating rod.
Preferably, the telescopic rod is provided with a fixing bolt, and the telescopic rod is fixed by rotating the fixing bolt.
Preferably, the laser distance measuring instrument is provided with a laser sensor at the top, a display screen is arranged on the upper part of the front surface, and an operation button is arranged on the lower part of the front surface.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model relates to a tunnel surface displacement measuring device, when measuring tunnel surrounding rock surface displacement, through putting measuring device in tunnel measurement station position, adjust laser range finder to group portion measurement station position near through the telescopic link, rotatory fixing bolt fixes the telescopic link, and rotatory telescopic link makes the fixed station level, adjusts laser range finder to the vertical direction, and the mobile device makes laser shot at roof measurement point; then the laser range finder is rotated to the horizontal direction, the height of the laser range finder and the position of the laser range finder in the horizontal direction are finely adjusted through the rotating table, laser is emitted to a measuring point of the roadway side part, the laser range finder is rotated through the rotating rod handle, and the distance from the laser range finder to the measuring point of the roadway is measured through the operating button. Through the adjustment to the laser range finder position, can guarantee measuring accuracy, avoid traditional measuring error, the precision is higher, and it is more convenient to operate.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive step.
Fig. 1 is a three-dimensional view of the testing device of the present invention.
Fig. 2 is a schematic diagram of the structure of the right bracket.
Fig. 3 is a schematic view of a rotary rod with a handle.
Fig. 4 is a schematic view of a threaded rotating rod structure.
Wherein, 1-right bracket; 1-1-card slot; 2-left support; 3-rotating rod with handle; 3-1 rod body; 3-2, a handle; 3-3-clamping rod; 4-threaded rotating rod; 4-1-an external threaded end; 4-2-nut; 5-laser range finder; 6-rotating table; 7-a level gauge; 8-external thread hollow cylinder; 9-a fixed table; 10-fixing the bolt; 11-telescopic rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope protected by the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a roadway surface displacement measuring device comprises a right bracket 1, a left bracket 2 and a rotating rod 3 with a handle; a threaded rotating rod 4; a laser range finder 5; a rotating table 6; a level gauge 7; a stationary table 8; an externally threaded hollow cylinder 9; a fixing bolt 10; a telescopic rod 11.
The center of the upper surface of the rotating platform 6 is a through round hole, a rectangular groove is formed in the edge position of the upper surface of the rotating platform 6, and the level meter 7 is fixed in the rectangular groove in the upper surface of the rotating platform 6.
A right bracket 1 and a left bracket 2 are fixed on the upper surface of the rotating platform 6, a clamping groove 1-1 is arranged on the right bracket 1, and an external thread hollow cylinder 9 is fixed on the lower surface of the rotating platform 6; the rotary table 6 is connected with the fixed table 8 through an externally threaded hollow cylinder 9.
The handle rotating rod 3 penetrates through the right support 1 and is fixed to the right side of the laser range finder 5, and the threaded rotating rod 4 penetrates through the left support 2 and is fixed to the left side of the laser range finder 5.
The rotary rod 3 with the handle comprises a rod body 3-1, a rotary handle 3-2 is arranged at one end of the rod body 3-1, a clamping rod 3-3 is arranged on the side close to the rotary handle 3-2, the clamping rod 3-3 is fixed at a clamping groove 1-1 on the right support 1, the laser range finder 5 is rotated by rotating the rotary handle 3-2, and the laser range finder 5 is fixed by the clamping groove 1-1 on the right support 1.
One end of the threaded rotating rod 4 is an external thread end 4-1, and a nut 4-2 is arranged on the threaded rotating rod.
A round hole is formed in the center of the fixed table 8, the wall of the round hole is an internal thread, and a connecting piece is fixed below the fixed table 8; the telescopic rod 11 is connected with the fixed table 8 through a connecting piece and can rotate; the telescopic rod 7 can be adjusted in length in a telescopic mode through the fixing bolt 10; the vertical height of the laser range finder 5 is determined by adjusting the length of the telescopic rod 11; the rotating platform 6 is determined to be in a horizontal position by rotating the telescopic rod 11 and the level gauge 7; the height of the laser range finder 5 is finely adjusted by rotating the rotating table 6 to accurately position the laser range finder 5.
The utility model relates to a tunnel surface displacement measuring device, when measuring tunnel surrounding rock surface displacement, through putting measuring device in tunnel measurement station position, adjust laser range finder 5 to group portion measurement station position near through telescopic link 11, rotatory fixing bolt 10 fixes telescopic link 11, rotatory telescopic link 11 makes fixed station 8 level, adjusts laser range finder 5 to the vertical direction, removes measuring device and makes laser shine in roof measurement point department; then, the laser range finder 5 is rotated to the horizontal direction, the height of the laser range finder 5 and the position of the laser range finder 5 in the horizontal direction are finely adjusted through the rotating table 6, laser is enabled to be emitted to a measuring point of the roadway wall portion, the laser range finder 5 is rotated through the rotating rod handle, and the distance from the laser range finder 5 to the measuring point of the roadway is measured through the operating button. Through the adjustment to 5 positions of laser range finder, can guarantee the measuring accuracy, avoid traditional measuring error, the precision is higher, and it is more convenient to operate.
The structure principle and the using steps of the present invention are further explained with the attached drawings as follows:
during measurement, the measuring device is placed at a roadway measuring point, the laser range finder 5 is adjusted to be close to the position of a measuring point of the upper part through the telescopic rod 11, the telescopic rod 11 is fixed by rotating the fixing bolt 10, the telescopic rod 11 is rotated to enable small water drops in the level gauge 7 on the rotating table 6 to fall to the central position, the laser range finder 5 is adjusted to be in the vertical direction, and the measuring device is moved to enable laser to be emitted at the measuring point of the top plate; then, rotating the laser range finder 5 to the horizontal direction, finely adjusting the height of the laser range finder 5 and the position of the laser range finder 5 in the horizontal direction by using the rotating table 6 to enable laser to be emitted to a measuring point of the roadway wall part, rotating the laser range finder 5 to the horizontal direction by using the rotating rod 3 with the handle, fixing the clamping rod 3-2 on the rotating rod 3 with the handle at the clamping groove 1-1 on the bracket 1, operating a button on the laser range finder 5 to measure the distance to the measuring point, and recording the numerical value on the display screen of the laser range finder 5;
pulling out the rotating rod 3 with the handle from a clamping groove 1-1 on the bracket 1, rotating the rotating rod 3 with the handle by 90 degrees clockwise, fixing a clamping rod 3-2 on the rotating rod 3 with the handle at the clamping groove 1-1 on the bracket 1, operating a button on the laser range finder 5, measuring the distance to a measuring point on a top plate, and recording the numerical value on a display screen of the laser range finder 5;
pulling out the rotary rod 3 with the handle from the position of the clamping groove 1-1 on the support 1 again, rotating the rotary rod 3 with the handle clockwise by 90 degrees again, fixing the clamping rod 3-2 on the rotary rod 3 with the handle at the position of the clamping groove 1-1 on the support 1, operating an operating button on the laser range finder 5, measuring the distance of a measuring point at the other upper part of the roadway, and recording the numerical value on a display screen of the laser range finder 5;
and pulling out the rotating rod 3 with the handle from the position 1-1 of the clamping groove on the support 1 again, rotating the rotating rod 3 with the handle clockwise by 90 degrees again, fixing the clamping rod 3-2 on the rotating rod 3 with the handle at the position 1-1 of the clamping groove on the support 1, operating a button on the laser range finder 5, measuring the distance to a measuring point of a roadway bottom plate, and recording the value on a display screen of the laser range finder 5.
Through the adjustment to the laser range finder position, can guarantee measuring accuracy, avoid traditional measuring error, the precision is higher, and it is more convenient to operate.
To sum up, the utility model discloses a positioner can pinpoint the tunnel measurement station, can be in level and vertical position when guaranteeing laser range finder measurement, has avoided human error's existence, convenient operation and accurate.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.