CN-224202432-U - Novel roof separation layer appearance

Abstract

The utility model discloses a novel roof separation instrument which comprises an anchor head piece, a traction steel wire rope and a measuring mechanism, wherein the anchor head piece is connected with the measuring mechanism through the traction steel wire rope, the measuring mechanism comprises a fixed shell, a traction measuring piece and an angle sensor, the fixed shell comprises an inner shell and an outer shell, the outer shell is in a rectangular column shell shape with an opening at one side, the inner shell is in a rectangular column shell shape with an opening at one side, the opening end of the inner shell is nested inside the opening end of the outer shell, the traction measuring piece is located inside the outer shell and connected with the outer shell, the angle sensor is located inside the inner shell and connected with the inner shell, and when the inner shell is nested inside the opening end of the outer shell, the traction measuring piece is connected with the angle sensor. The utility model can clearly see the elongation of the traction steel wire rope and the settlement of the top plate, and effectively improves the use effect of the top plate delamination apparatus.

Inventors

• YUAN HUI
• HAN XIAOBING
• YANG YAOZONG
• SHANGGUAN FENG
• ZHANG GUOPENG
• GAO LIN

Assignees

• 河南英特伦智能装备有限公司

Dates

Publication Date

20260505

Application Date

20250220

Claims (10)

1. 1. The novel roof separation instrument comprises an anchor head piece, a traction steel wire rope and a measuring mechanism, wherein the anchor head piece is connected with the measuring mechanism through the traction steel wire rope; the measuring mechanism is characterized by comprising a fixed shell, a traction measuring piece and an angle sensor, wherein the fixed shell comprises an inner shell and an outer shell, the outer shell is in a rectangular column shell shape with one side open, the inner shell is in a rectangular column shell shape with one side open, the open end of the inner shell is nested inside the open end of the outer shell, the traction measuring piece is located inside the outer shell and connected with the outer shell, the angle sensor is located inside the inner shell and connected with the inner shell, and when the inner shell is nested inside the open end of the outer shell, the traction measuring piece is connected with the angle sensor.
2. 2. The novel roof separation instrument of claim 1, wherein the traction measuring piece comprises a coil spring and a winding wheel, the coil spring is arranged on one side of the winding wheel, a clamping column is arranged at the central position of one axial end of the winding wheel, the coil spring is sleeved outside the clamping column, the central end of the coil spring is clamped and fixed with the clamping column, the outer end of the coil spring is connected with the shell, a mounting protrusion is arranged at the central position of the other axial end of the winding wheel and is connected with the angle sensor through the mounting protrusion, one end of the traction steel wire rope is wound on the outer side of the winding wheel, and the other end of the traction steel wire rope penetrates out of the shell and is connected with the anchor head piece.
3. 3. The novel roof separation instrument of claim 2, wherein a coil spring mounting groove is formed in the inner side of the outer shell, a central groove is formed in the inner central position of the coil spring mounting groove, a traction column is arranged on one side of the circumference of the coil spring mounting groove, the coil spring is nested in the coil spring mounting groove, the outer end of the coil spring is connected with the traction column, one end of the clamping column stretches into the central groove and can rotate in the central groove, a supporting plate is fixedly connected in the outer shell and is arranged on one side, far away from the coil spring, of the winding wheel, a supporting hole corresponding to the installation protrusion is formed in the supporting plate, and the installation protrusion on the winding wheel penetrates out of the supporting hole and then is connected with the angle sensor.
4. 4. The novel roof separation instrument of claim 3, wherein the inner side of the opening end of the inner shell is fixedly connected with a mounting plate, the mounting plate is provided with a avoidance hole corresponding to the supporting hole, the angle sensor is fixedly connected in the inner shell, and an induction shaft of the angle sensor extends out of the avoidance hole and is connected with a mounting protrusion on the winding wheel.
5. 5. The roof separation instrument of claim 4, wherein the mounting protrusion is provided with a transmission groove, the inner diameter of the transmission groove is matched with the outer diameter of the sensing shaft, and when the inner shell is nested inside the opening end of the outer shell, the sensing shaft is inserted into the transmission groove and can be driven by the mounting protrusion to rotate for measurement.
6. 6. The novel roof separation instrument of claim 5, wherein the edge of the opening end of the outer shell is provided with a sealing protrusion, a circumferential protrusion is integrally formed on one side edge of the inner shell far away from the opening end, the outer diameter of the circumferential protrusion is consistent with that of the outer shell, a sealing groove is formed in the end face, close to the outer shell, of the circumferential protrusion, the sealing groove is matched with the sealing protrusion, and when the inner shell is nested inside the opening end of the outer shell, the sealing protrusion is embedded in the sealing groove.
7. 7. The roof separation instrument of claim 6, wherein the corresponding end angles of the outer shell and the inner shell are respectively provided with an oblique angle structure.
8. 8. The novel roof separation instrument of claim 7, wherein the top end of the outer shell is fixedly connected with a positioning tube, the inside of the positioning tube is communicated with a coil spring mounting groove, one end of the traction steel wire rope is wound on the outer side of the winding wheel, and the other end of the traction steel wire rope penetrates out of the positioning tube and then is connected with the anchor head piece.
9. 9. The novel roof separation instrument of claim 8, wherein the side wall of the outer shell is provided with a first connecting lug and is connected with a wire collecting box through a first connecting lug bolt, the wire collecting box is of a circular cylinder structure, a second connecting lug is integrally formed on the outer side of the circumference of the wire collecting box, and the second connecting lug is connected with the first connecting lug through a bolt.
10. 10. The novel roof separation instrument of claim 9, wherein the coil spring mounting groove, the traction measuring piece, the angle sensor, the traction steel wire rope and the anchor head piece are all provided with two groups so as to carry out traction measuring operation on two anchor head pieces.

Description

Novel roof separation layer appearance Technical Field The utility model relates to the field of coal mine protection, in particular to a novel roof separation layer instrument. Background The roof separation instrument is also called roof separation indicator, is a special monitoring instrument for monitoring roof strata movement, can respectively display the separation conditions of roof strata in the length range of the anchor rod and outside the same range of the anchor rod, and plays a certain role in guiding and warning the support and reform of the anchor net roadway through comprehensive roof separation observation. Before the roof separation layer instrument is installed, holes are drilled on the roof of the coal mine so as to facilitate the insertion and fixation of the anchoring piece, then the anchoring piece is connected with a displacement sensor at the outer side of the holes through the measuring rope, and if the roof of the coal mine subsides, the measuring rope and the displacement sensor move, the movement amount of the measuring rope can be obtained in real time through the displacement sensor, and the roof subsidence measuring effect is achieved. The patent number ZL202010067563.8 discloses a roof separation instrument alarm device and a coal mine roof monitoring system, which can alarm when a roof is settled to a certain degree, effectively improve the safety of coal mine construction, in the existing roof separation instrument structure, a displacement sensor is usually installed in a fixed shell, and the connection between the displacement sensor and a measuring rope needs to be detached for operation, so that the displacement sensor is usually connected with the measuring rope in advance and then the anchor is installed in a construction area when the roof separation instrument is installed, however, the measuring rope is pulled in the installation process of the anchor, the measurement value can be generated in the pulling process of the measuring rope by the displacement sensor after the installation of the anchor is finished, the measurement value of the installation process generated by the displacement sensor is not easy to clean, the settlement measurement operation of the roof can only be carried out by taking the measurement value of the installation process as the original value of the roof in the later stage, the settlement condition of the measurement value of the roof can not be known until the measurement value of the roof is compared with the previous installation process, the settlement condition of the measurement value of the roof can not be directly and clearly seen, the settlement quantity of the roof separation instrument is influenced, and the use effect of the roof separation instrument is necessarily improved. Disclosure of Invention The utility model aims to solve the problems and provides a novel roof separation instrument which is simple in structure and convenient to use. In order to achieve the above object, the technical scheme of the present utility model is as follows: The novel roof separation instrument comprises an anchor head piece, a traction steel wire rope and a measuring mechanism, wherein the anchor head piece is connected with the measuring mechanism through the traction steel wire rope, the measuring mechanism comprises a fixed shell, a traction measuring piece and an angle sensor, the fixed shell comprises an inner shell and an outer shell, the outer shell is in a rectangular column shell shape with one side open, the inner shell is in a rectangular column shell shape with one side open, the open end of the inner shell is nested inside the open end of the outer shell, the traction measuring piece is located inside the outer shell and connected with the outer shell, the angle sensor is located inside the inner shell and connected with the inner shell, and when the inner shell is nested inside the open end of the outer shell, the traction measuring piece is connected with the angle sensor. The traction measuring piece comprises a coil spring and a winding wheel, wherein the coil spring is arranged on one side of the winding wheel, a clamping column is arranged at the central position of one axial end of the winding wheel, the coil spring is sleeved outside the clamping column, the central end of the coil spring is clamped and fixed with the clamping column, the outer end of the coil spring is connected with a shell body, a mounting protrusion is arranged at the central position of the other axial end of the winding wheel and is connected with an angle sensor through the mounting protrusion, one end of a traction steel wire rope is wound outside the winding wheel, and the other end of the traction steel wire rope penetrates out of the shell body and is connected with an anchor head piece. Further, a coil spring mounting groove is formed in the inner side of the outer shell, a central groove is formed in the inner central position of the coil s