CN214372224U - Roadway two-side deformation measurement pay-off device - Google Patents
Roadway two-side deformation measurement pay-off device Download PDFInfo
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- CN214372224U CN214372224U CN202120043734.3U CN202120043734U CN214372224U CN 214372224 U CN214372224 U CN 214372224U CN 202120043734 U CN202120043734 U CN 202120043734U CN 214372224 U CN214372224 U CN 214372224U
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Abstract
The utility model discloses a two group in tunnel warp measurement pay-off, it includes the unwrapping wire base, put the line box, the couple base, the couple, the spooler, unwrapping wire base and couple base are fixed respectively on the both sides tunnel group in tunnel, can dismantle on the unwrapping wire base and be connected with unwrapping wire box, be close to the protractor that the level set up on the outer wall of the unwrapping wire box of couple base one side, set up the forward hole on the unwrapping wire box, the centre of a circle in forward hole and the zero scale mark of protractor coincide each other, unwrapping wire box facial make-up is equipped with the spooler, the winding has the measuring wire on the spooler, the one end of measuring wire is fixed on the spooler, the other end of measuring wire runs through the link fixed connection in the outside of forward hole and placing the unwrapping wire box in, be fixed with the couple that sets up with the link cooperation on the couple base, the centre of a circle of couple and forward hole is located same horizontal line.
Description
The technical field is as follows:
the utility model relates to a measuring device, concretely relates to two group in tunnel warp and measure pay-off.
Background art:
the deformation measurement of the surrounding rock of the roadway is an important content of mine pressure monitoring, and particularly during the stoping period of a coal face, the two sides of the roadway are seriously stripped under the influence of advance pressure, so that the approaching quantity of the two sides of the roadway is too large, and the safe and efficient production of a mine is influenced.
At present, the two-side measuring method of the roadway mainly comprises two types: one type is a cross measurement method, namely measuring points are arranged on two sides of a roadway, the distance between the two sides is measured by using a steel tape, the operation is complex, the measurement accuracy is extremely low, the error is large, and whether the two sides of the roadway have relative displacement along the length direction of the roadway cannot be determined; the other type is measurement by using laser ranging equipment, the requirement on the positions of measuring points is high, the distance between two sides is measured by using opposite fixed points, when the fixed points deviate to the length direction of the roadway, the two measuring points cannot be aligned, so that the measuring instrument cannot be normally used, and meanwhile, the operation is complicated, and the rapid measurement of deformation of the two sides of the roadway is not facilitated.
The utility model has the following contents:
an object of the utility model is to provide a two group in tunnel warp and measure pay-off.
The utility model discloses by following technical scheme implement: the roadway two-side deformation measurement pay-off device comprises a pay-off base, a pay-off box, a hook base, a hook and a take-up device, wherein the pay-off base and the hook base are respectively fixed on roadway sides on two sides of a roadway, the pay-off box is detachably connected to the pay-off base, a protractor horizontally arranged is fixed on the outer wall of the pay-off box close to one side of the hook base, a forward hole is formed in the pay-off box, the circle center of the forward hole is overlapped with a zero scale line of the protractor, the take-up device is arranged on the pay-off box, a measurement line is wound on the take-up device, one end of the measurement line is fixed on the take-up device, the other end of the measurement line penetrates through the forward hole and is fixedly connected with a hanging ring arranged on the outer side of the pay-off box, and the hook matched with the hanging ring is fixed on the hook base, the center of a circle of the hook and the center of a circle of the forward hole are located on the same horizontal line.
Furthermore, the wire rewinding device comprises a shaft rod, a wire hub and a driving device, the inside of the wire releasing box is rotatably connected with the shaft rod horizontally arranged, two ends of the shaft rod respectively penetrate through the outer wall of the wire releasing box and are arranged on the outer side of the wire releasing box, one end of the shaft rod is detachably connected with the driving device for driving the shaft rod to rotate, a handle is fixedly arranged at the other end of the shaft rod, the wire hub is fixedly arranged in the middle of the shaft rod, and the measuring wire is wound on the wire hub.
Furthermore, the driving device is a motor, a clamping groove is formed in an output shaft of the motor, a protruding block which corresponds to the clamping groove is fixed at the tail end of the shaft rod, and the protruding block is movably connected with the clamping groove in an inserting mode.
Further, a first horizontal ruler is fixed on the protractor.
Furthermore, a fixing plate which is vertically arranged is fixed on the pay-off box far away from one side of the hook base, a plurality of mounting holes are formed in the fixing plate, a plurality of adjusting holes are formed in the pay-off base, and any mounting hole is fixedly connected with any adjusting hole through a bolt.
Furthermore, scales are arranged on the measuring lines.
Furthermore, a second horizontal ruler is detachably connected to the measuring line.
The utility model has the advantages that: the device has simple processing, low cost and convenient operation; the measurement can be completed only by hanging the measurement line on the hook during each measurement, so that the measurement efficiency is improved, the measurement points are fixed, the measurement accuracy is improved, and the measurement line does not need to be withdrawn after being installed and leveled at the test position, thereby facilitating the next test; through the included angle between the zero scale line of the protractor and the measuring line, whether relative displacement is generated between the roadway sides on the two sides can be judged, when the measuring point position deviates along the length direction of the roadway, the distance between the two measuring points can be measured through the measuring line, the relative displacement angle between the two measuring points can be measured through the protractor, the relative displacement distance between the roadway sides on the two sides can be calculated through a sine function, the operation is simple, and the measuring work efficiency is improved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the utility model;
FIG. 2 is a schematic view of the combination of the inner structure of the pay-off box and the protractor;
FIG. 3 is a cross-sectional view of a payoff base;
FIG. 4 is a top view of the connection relationship between the utility model and the roadway;
FIG. 5 is a schematic structural diagram of a driving device;
in the figure: the wire unwinding device comprises a wire unwinding base 1, a wire unwinding box 2, a hook base 3, a hook 4, a wire winding device 5, a shaft rod 51, a wire hub 52, a driving device 53, a motor 531, a clamping groove 532, a bump 533, a ball bearing 54, a handle 55, a roadway wall 6, a fixing plate 7, a mounting hole 8, an adjusting hole 9, a bolt 10, a protractor 11, a first horizontal rule 12, a measuring wire 13, a forward hole 14, a hanging ring 15 and a second horizontal rule 16.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the roadway two-side deformation measurement pay-off device comprises a pay-off base 1, a pay-off box 2, a hook base 3, a hook 4 and a take-up device 5, wherein the pay-off base 1 and the hook base 3 are respectively fixed on roadway sides 6 at two sides of a roadway, in this embodiment, the pay-off base 1 and the hook base 3 are respectively in bolt connection with anchor rods on the roadway sides 6 at two sides, namely, threaded holes matched with the anchor rods are arranged on the pay-off base 1 and the hook base 3, the pay-off box 2 is detachably connected on the pay-off base 1, specifically, a vertically arranged fixing plate 7 is fixed on the pay-off box 2 at one side far away from the hook base 3, a plurality of mounting holes 8 are arranged on the fixing plate 7, a plurality of adjusting holes 9 are arranged on the pay-off base 1, any one of the mounting holes 8 is fixedly connected with any one of the adjusting holes 9 through bolts 10, when the hook base 3 is fixed, the corresponding adjusting holes 9 and the mounting holes 8 can be selected, the position of the pay-off box 2 is adjusted, so that the measuring line 13 is in a horizontal state and is overlapped with a zero scale mark of the protractor 11, and the measured distance between the two roadway sides 6 is more accurate; the outer wall of the pay-off box 2 close to one side of the hook base 3 is fixedly provided with a protractor 11 which is horizontally arranged, the protractor 11 is fixedly provided with a first horizontal ruler 12, the horizontal state of the protractor 11 is ensured through the first horizontal ruler 12, and an included angle between a zero scale mark and a measuring line 13 of the protractor 11 can judge whether relative displacement is generated between the roadway sides 6 at two sides; when the measuring point positions deviate along the length direction of the roadway, the distance between the two measuring points can be measured through the measuring line 13, the relative displacement angle between the two measuring points can be measured through the protractor 11, the relative displacement distance between the roadway sides 6 on the two sides can be calculated through a sine function, the operation is simple, and the measuring work efficiency is improved; the pay-off box 2 is provided with a forward hole 14, the circle center of the forward hole 14 is overlapped with the zero scale line of the protractor 11, the forward hole 14 has the function of ensuring the wire outlet direction of the measuring line 13, the measuring line 13 can be overlapped with the zero scale line of the protractor 11 during the first measurement, and the later calculation of the relative displacement angle between the roadway sides 6 at the two sides is facilitated; the pay-off box 2 is provided with the take-up device 5, the take-up device 5 is wound with the measuring line 13, the measuring line 13 is provided with scales, one end of the measuring line 13 is fixed on the take-up device 5, the other end of the measuring line 13 penetrates through the forward hole 14 to be fixedly connected with the hanging ring 15 arranged at the outer side of the pay-off box 2, the hook base 3 is fixed with the hook 4 matched with the hanging ring 15, the measuring line 13 is hung on the hook 4 to complete the measurement during each measurement, the measuring efficiency is improved, meanwhile, the measuring point is fixed, the measuring accuracy is improved, when the measuring device is installed, the centers of the hook 4 and the forward hole 14 are positioned on the same horizontal line, the measuring line 13 can be ensured to be horizontally arranged, the measuring accuracy is ensured, the second leveling ruler 16 can be detachably connected on the measuring line 13, in the embodiment, the second leveling ruler 16 is hung on the measuring line 13 by the detachable connection mode, after the measuring line 13, the second level 16 is removed and the second level 16 is used to ensure that the measuring line 13 is level when installed.
The wire rewinding device 5 comprises a shaft rod 51, a wire hub 52 and a driving device 53, the interior of the pay-off box 2 is rotatably connected with the horizontally arranged shaft rod 51, the rotating connection is specifically that the shaft rod 51 is connected with a contact surface of the pay-off box 2 through a ball bearing 54, two ends of the shaft rod 51 respectively penetrate through the outer wall of the pay-off box 2 and are arranged on the outer side of the pay-off box 2, one end of the shaft rod 51 is detachably connected with the driving device 53 for driving the shaft rod 51 to rotate, the driving device 53 has the function that after the measurement is finished, the motor 531 is held by hands to provide supporting force, the driving device 53 is started, the shaft rod 51 is driven by the driving device 53 to rotate, the measuring wire 13 is wound on the shaft rod 51, the measuring wire 13 is recovered, each device 1 is not required to be recovered after the leveling is installed at the test position, the next test is convenient, the driving device 53 is the motor 531, the motor 531 is a micro motor 531 sleeved with an explosion-proof shell, the detachable connection mode in the embodiment is that a clamping groove 532 is formed in an output shaft of the motor 531, the tail end of the shaft rod 51 is fixedly provided with a projection 533 which is arranged corresponding to the clamping groove 532, the projection 533 is movably inserted into the clamping groove 532 and is detachably connected with the convenient recovery driving device 53, the other end of the shaft rod 51 is fixedly provided with a handle 55, the handle 55 is used for tensioning the measuring wire 13 during measurement, the middle part of the shaft rod 51 is fixedly provided with a wire hub 52, and the measuring wire 13 is wound on the wire hub 52.
The working process is as follows:
the paying-off base 1 and the hook base 3 are respectively in threaded connection with anchor rods on roadway sides 6 on two sides of a roadway, the measuring line 13 is pulled out from the paying-off box 2 and hooked on a hook 4 of the hook base 3, the measuring line 13 is tensioned through a handle 55, the second horizontal ruler 16 is hung on the measuring line 13, the position between the fixing plate 7 and the paying-off base 1 is adjusted to enable the measuring line 13 to be in a horizontal state and to be overlapped with a zero scale mark of the protractor 11, after the measuring line 13 is adjusted, the fixing plate 7 is fixed with the paying-off base 1 through a bolt 10, the second horizontal ruler 16 is taken down, the reading on the measuring line 13 is the distance between the roadway sides 6 on two sides, after the measurement is finished, the measuring line 13 is taken down from the hook 4 and is connected with the motor 531 and the shaft lever 51, the motor 531 drives the shaft lever 51 to rotate, the measuring line 13 is wound on a line hub 52, the motor 531 is taken down, other devices are not required to be withdrawn, the test is convenient to use in the next test;
when the next measurement is carried out, the measuring line 13 is pulled out from the pay-off box 2 and hung on the hook 4, the measuring line 13 is tensioned through the handle 55, if the included angle a between the measuring line 13 and the zero scale mark of the protractor 11 is equal to zero, the reading on the measuring line 13 is the distance between the roadway sides 6 on the two sides at present, and the roadway sides 6 on the two sides do not generate relative displacement; when the included angle a between the measurement line 13 and the zero scale line of the protractor 11 is not zero, it indicates that the roadway sides 6 on both sides generate relative displacement, and the sinusoidal function of the trigonometric function is used to calculate the relative displacement between the roadway sides 6 on both sides according to the included angle a and the measurement value of the measurement line 13.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The roadway two-side deformation measurement pay-off device is characterized by comprising a pay-off base, a pay-off box, a hook base, a hook and a take-up device, wherein the pay-off base and the hook base are respectively fixed on roadway sides on two sides of a roadway, the pay-off box is detachably connected to the pay-off base, a protractor horizontally arranged is fixed on the outer wall of the pay-off box close to one side of the hook base, a forward hole is formed in the pay-off box, the circle center of the forward hole is overlapped with a zero scale line of the protractor, the take-up device is arranged on the pay-off box, a measurement line is wound on the take-up device, one end of the measurement line is fixed on the take-up device, the other end of the measurement line penetrates through the forward hole and is fixedly connected with a hanging ring arranged on the outer side of the pay-off box, the hook matched with the hanging ring is fixed on the hook base, the center of a circle of the hook and the center of a circle of the forward hole are located on the same horizontal line.
2. The roadway two-side deformation measurement pay-off device according to claim 1, wherein the take-up device comprises a shaft rod, a wire hub and a driving device, the shaft rod is rotatably connected to the inside of the pay-off box, the two ends of the shaft rod respectively penetrate through the outer wall of the pay-off box and are arranged on the outer side of the pay-off box, the driving device for driving the shaft rod to rotate is detachably connected to one end of the shaft rod, a handle is fixedly arranged at the other end of the shaft rod, the wire hub is fixedly arranged in the middle of the shaft rod, and the measurement wire is wound on the wire hub.
3. The roadway two-side deformation measuring pay-off device as claimed in claim 2, wherein the driving device is a motor, a clamping groove is formed in an output shaft of the motor, a protruding block which corresponds to the clamping groove is fixed at the tail end of the shaft rod, and the protruding block is movably inserted into the clamping groove.
4. The roadway two-side deformation measuring pay-off device as claimed in claim 1, wherein a first horizontal ruler is fixed on the protractor.
5. The roadway two-side deformation measurement pay-off device as claimed in claim 1, wherein a vertically arranged fixing plate is fixed on the pay-off box far away from one side of the hook base, a plurality of mounting holes are formed in the fixing plate, a plurality of adjusting holes are formed in the pay-off base, and any one of the mounting holes is fixedly connected with any one of the adjusting holes through a bolt.
6. The roadway two-side deformation measuring pay-off device as claimed in claim 1, wherein scales are arranged on the measuring lines.
7. The roadway two-side deformation measuring pay-off device as claimed in any one of claims 1 to 5, wherein a second horizontal ruler is detachably connected to the measuring line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120043734.3U CN214372224U (en) | 2021-01-07 | 2021-01-07 | Roadway two-side deformation measurement pay-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120043734.3U CN214372224U (en) | 2021-01-07 | 2021-01-07 | Roadway two-side deformation measurement pay-off device |
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| Publication Number | Publication Date |
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| CN214372224U true CN214372224U (en) | 2021-10-08 |
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| CN202120043734.3U Active CN214372224U (en) | 2021-01-07 | 2021-01-07 | Roadway two-side deformation measurement pay-off device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200497A (en) * | 2022-09-13 | 2022-10-18 | 山西烁科晶体有限公司 | Device and method for detecting box-shaped variable of wafer |
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2021
- 2021-01-07 CN CN202120043734.3U patent/CN214372224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200497A (en) * | 2022-09-13 | 2022-10-18 | 山西烁科晶体有限公司 | Device and method for detecting box-shaped variable of wafer |
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