CN217976313U - Hidden roof separation layer appearance - Google Patents
Hidden roof separation layer appearance Download PDFInfo
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- CN217976313U CN217976313U CN202221006493.6U CN202221006493U CN217976313U CN 217976313 U CN217976313 U CN 217976313U CN 202221006493 U CN202221006493 U CN 202221006493U CN 217976313 U CN217976313 U CN 217976313U
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Abstract
The utility model provides a hidden roof absciss layer appearance, belong to mine roof mine pressure technical field, can solve the influence that current absciss layer appearance exists because of coal dust and water in the pit and appear surveying a section of thick bamboo colour unable observation, damage and the occupation scheduling problem of tunnel height, including the tip sleeve, be equipped with two rotation axes in the tip sleeve, the both ends of rotation axis twine wire rope respectively, the free end that is located same rotation axis wire rope is respectively up and down, free end wire rope roof anchor up, the epaxial wire rope in rotation of top is connected with the sleeve I of measuring shallow portion, the epaxial wire rope in rotation of below is connected with the sleeve II of measuring the deep, sleeve II is located sleeve I, the surface of sleeve I and sleeve II is pasted respectively takes the measuring paper of scale, the bottom of sleeve II is connected with marks the pole, mark the pole and expose in tunnel roof below. The utility model discloses be located the tunnel roof, reduced the absciss layer appearance and to the occupation of tunnel height, realized the effective utilization of tunnel height, and observe the convenience.
Description
Technical Field
The utility model belongs to the technical field of mine roof ore deposit is pressed, concretely relates to hidden roof separation layer appearance.
Background
The mine roof separation instrument is an important mine pressure monitoring facility in a coal mine, is arranged at the roof part of an underground roadway, needs pedestrians and vehicles to pass through the roadway, plays an important role in the stability of a mine pressure system and the safety of the pedestrians and the stability of the roof separation instrument, and is of great importance for the normal use of mine pressure observation. Along with the continuous expansion of the mining range of a mine, the periodic earth pressure of a roadway changes, so that the phenomena of deformation, breakage, color indistinguishable and the like of a measuring cylinder of a roof separation instrument are caused, the mine pressure cannot be effectively observed, the safety, the stability and the reliability of a mine pressure monitoring system are greatly influenced, and the safety production of the mine is greatly threatened.
Traditional colliery is installation roof separation layer appearance in pit need use the rig to beat in the tunnel and establish drilling, then uses the anchor point of drilling rod installation roof separation layer appearance again, confirms the degree of depth of anchor point according to the position degree of depth that needs the monitoring, installs an end section of thick bamboo and survey a section of thick bamboo at last. Therefore, the skill level of an installer is high during installation, the datum point of the measuring cylinder is often not accurately controlled, and specific deformation is not easy to observe in a roadway with high mine pressure. Adopt traditional roof separation layer appearance, waste time and energy. In a mine with large ground pressure change, due to the influence of underground coal dust and water, the service life of the traditional roof delayer is short, and the cost of mine pressure facilities is increased. Meanwhile, when the roof separation instrument needs to be installed again in one place, workers are needed to carry drilling tools such as a drilling machine and a drill rod, and time and labor are wasted.
Publication number CN210862462U discloses a roof separation layer appearance, including roof stratum and hole, the hole has been seted up to the lower extreme of roof stratum, the inner wall joint of hole has two fluke structures, and the lower extreme of two fluke structures all is equipped with the cable wire, and the lower extreme of two cable wires is fixed respectively and is equipped with first plastic cylinder and second plastic cylinder, and first plastic cylinder cup joints in the outer wall of second plastic cylinder, the fixer of pegging graft in the inner wall bottom of hole, first plastic cylinder is located the inner wall of fixer, and the outer wall of first plastic cylinder is fixed with first reflection of light scale plate, and the outer wall of second plastic cylinder is equipped with second reflection of light scale plate, and the equal spiro union in bottom of two anchor ropes has the nut, and two nuts all joint with first plastic cylinder and second plastic cylinder, and the spout has all been seted up to the both sides of fixer, and the inner wall of spout is equipped with reflection of light structure. The bottom of this plastic drum of absciss layer appearance leaks outward in the roof outside, has because of the influence of coal dust and water in the pit and appears surveying the unable problem of observing, damaging of a section of thick bamboo colour.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the influence that current absciss layer appearance exists because of coal dust and water appears the unable observation of a survey section of thick bamboo colour, damage and to the occupation scheduling problem of tunnel height, provide a hidden roof absciss layer appearance.
The utility model adopts the following technical scheme:
the utility model provides a hidden roof absciss layer appearance, including being located the tip sleeve in the tunnel roof drilling, be equipped with two rotation axes under to in proper order from last in the tip sleeve, the both ends of rotation axis are rotated with the telescopic inner wall of tip respectively and are connected, the both ends of rotation axis twine respectively has wire rope, the free end that is located same epaxial wire rope of rotation is respectively up and down, free end wire rope up respectively with the roof anchor, wire rope free end down is connected with the sleeve I that is used for measuring the shallow portion on the rotation axis that is located the top, wire rope free end down is connected with the sleeve II that is used for measuring the deep on the rotation axis that is located the below, wherein, sleeve II is located sleeve I, the surface of sleeve I and sleeve II posts the survey paper of taking the scale respectively, the bottom of sleeve II is connected with posts the pole that marks that has reflection of light strip, it exposes in roof tunnel below to mark the pole.
Furthermore, fixing clips are respectively arranged at two ends of the outer side wall of the top end of the end sleeve, so that the end sleeve can be fixed in the drilled hole.
Furthermore, the distance between the rotating shaft positioned above and the top end of the end sleeve is 40mm, and the distance between the rotating shaft positioned below and the top end of the end sleeve is 120mm.
Furthermore, damping devices are respectively arranged at two ends of the rotating shaft, so that the sleeve I and the sleeve II can be prevented from automatically sliding downwards under the action of gravity.
Furthermore, three equal different color areas are arranged on the paper testing surfaces of the sleeve I and the sleeve II from bottom to top and are respectively blue area paper testing, yellow area paper testing and red area paper testing.
Furthermore, the length of the marking rod exposed below the roadway top plate is 100mm.
The beneficial effects of the utility model are as follows:
1. the utility model discloses install two rotation axes on the tip sleeve, be used for shallow portion and deep measurement respectively, be applicable to in the drilling of phi 27 mm-phi 55 mm.
2. The utility model discloses a sleeve I and sleeve II are located the tip sleeve, have avoided appearing the unable problem of observing, damaging of a measuring section of thick bamboo colour because of the influence of coal dust and water in the pit.
3. The utility model discloses be located the tunnel roof, reduced the absciss layer appearance and to the occupation of tunnel height, realized the effective utilization of tunnel height, and observe the convenience.
4. The utility model discloses a wire rope is different side winding on the rotation axis, realizes that the change in absciss layer reacts the scale change on the measuring cylinder simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the marking rod under the tunnel top plate of the present invention;
FIG. 3 is a schematic structural view of a sleeve I and a sleeve II which are positioned on a tunnel top plate of the utility model;
fig. 4 is a schematic view of the structure of the rotating shaft on the end sleeve of the present invention;
wherein: 1-a roadway roof; 2-drilling a hole wall; 3-an end sleeve; 4-a rotation axis; 5-a steel wire rope; 6-sleeve I; 7-sleeve II; 8-marking the pole; 9-fixing the card; 10-blue area paper test; 11-yellow zone test paper; 12-red zone test paper.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
And drilling a tunnel top plate by using a drilling machine, wherein the diameter of a drilled hole is 27-55mm, and the depth of the drilled hole is 7.3-7.5m.
As shown in the figure, a hidden roof absciss layer appearance, including being located 1 drilling of tunnel roof tip sleeve 3, be equipped with two rotation axis 4 from last to down in proper order in the tip sleeve 3, the both ends of rotation axis 4 rotate with the inner wall of tip sleeve 3 respectively and be connected, the both ends of rotation axis 4 twine respectively has wire rope 5, the free end of wire rope 5 that is located on same rotation axis 4 respectively up and down, free end wire rope 5 up respectively with the roof anchor, wire rope 5 that the free end is gone up on the rotation axis 4 that is located the top is connected with the sleeve I6 that is used for measuring the shallow portion, wire rope 5 that the free end is gone up on the rotation axis 4 that is located the below is connected with sleeve II 7 that is used for measuring the deep, wherein, sleeve II 7 is located sleeve I6, the surface of sleeve I6 and sleeve II 7 is pasted respectively and is taken the survey paper of scale, the bottom of sleeve II 7 is connected with the mark pole 8 that pastes the reflection of light strip, mark pole 8 exposes in roof 1 below.
The distance of upper portion rotation axis from tip sleeve upside is 40mm, and the diameter of upper portion rotation axis is 5mm, and length is 24mm, and its both ends have damping device, prevent that sleeve I from independently gliding under the gravity condition. The steel wires on the two sides need to be wound on different sides.
The distance between the upper part of the lower part and the upper side of the end part sleeve is 120mm, the diameter of the lower part rotating shaft is 5mm, the length of the lower part rotating shaft is 24mm, two ends of the lower part rotating shaft are provided with damping devices, so that the sleeve can be prevented from automatically sliding downwards under the condition of II gravity, and steel wires on two sides are wound on different sides.
Wherein, the tip sleeve is 24mm for the diameter, and length is 400 mm's hollow cylindrical pipe, and the sleeve I that is used for measuring shallow portion is diameter 20mm, and length is 150 mm's hollow cylindrical pipe, and the sleeve II that is used for measuring the deep portion is diameter 16mm, length 150 mm's hollow cylindrical pipe.
The outer surface of sleeve I and sleeve II pastes has the survey paper that has the scale, surveys paper from the bottom up, divide into three equant different colour regions, divide into blue district, yellow district, red district.
And the tunnel roof lower separation layer instrument marking rod is connected with the sleeve II, and the length of the outer leakage part is 100mm.
The utility model discloses sleeve I and sleeve II are connected through the rotation axis winding steel wire to the tip sleeve. Furthermore, the steel wires connected with the sleeve I and the sleeve II are wound on the different sides of the steel wire at the anchoring end on the rotating shaft, the length of the steel wire rope on the two coaxial sides is consistent, and the change of the separation layer is achieved while the scale change on the measuring cylinder is reflected.
Claims (6)
1. The utility model provides a hidden roof separation layer appearance which characterized in that: including tip sleeve (3) that is located tunnel roof (1) drilling, be equipped with two rotation axis (4) from last to down in proper order in tip sleeve (3), the both ends of rotation axis (4) rotate with the inner wall of tip sleeve (3) respectively and are connected, the both ends of rotation axis (4) twine respectively wire rope (5), the free end that is located wire rope (5) on same rotation axis (4) respectively up and down, free end wire rope (5) up respectively with the roof anchor, wire rope (5) that the free end is gone up on rotation axis (4) that is located the top is connected with the sleeve I (6) that are used for measuring shallow portion, wire rope (5) that the free end is gone up on rotation axis (4) that is located the below is connected with sleeve II (7) that are used for measuring the deep, wherein, sleeve II (7) are located sleeve I (6), the surface of sleeve I (6) and sleeve II (7) is pasted respectively has the survey paper that takes the scale, the bottom of sleeve II (7) is connected with mark pole (8) that paste the reflection of light strip, it exposes in tunnel (8) and shows that roof (1) below.
2. The concealed roof delamination apparatus of claim 1, wherein: and fixing clamps (9) are respectively arranged at two ends of the outer side wall of the top end of the end part sleeve (3).
3. The concealed roof delamination apparatus of claim 2, wherein: the distance between the rotating shaft (4) positioned above and the top end of the end sleeve (3) is 40mm, and the distance between the rotating shaft (4) positioned below and the top end of the end sleeve (3) is 120mm.
4. The concealed roof delamination instrument of claim 3, wherein: and damping devices are respectively arranged at two ends of the rotating shaft (4).
5. The concealed roof delamination instrument of claim 4, wherein: the paper surface of surveying of sleeve I (6) and sleeve II (7) is equipped with three equant different colour regions from supreme down, surveys paper (10), yellow district and surveys paper (11) and red district respectively and surveys paper (12).
6. The concealed roof delamination apparatus of claim 5, wherein: the length of the marking rod (8) exposed below the roadway top plate (1) is 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221006493.6U CN217976313U (en) | 2022-04-28 | 2022-04-28 | Hidden roof separation layer appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221006493.6U CN217976313U (en) | 2022-04-28 | 2022-04-28 | Hidden roof separation layer appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217976313U true CN217976313U (en) | 2022-12-06 |
Family
ID=84265637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221006493.6U Active CN217976313U (en) | 2022-04-28 | 2022-04-28 | Hidden roof separation layer appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217976313U (en) |
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2022
- 2022-04-28 CN CN202221006493.6U patent/CN217976313U/en active Active
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