CN214063046U - Telescopic wind shielding curtain capable of improving underground upper centering precision - Google Patents
Telescopic wind shielding curtain capable of improving underground upper centering precision Download PDFInfo
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- CN214063046U CN214063046U CN202022621388.0U CN202022621388U CN214063046U CN 214063046 U CN214063046 U CN 214063046U CN 202022621388 U CN202022621388 U CN 202022621388U CN 214063046 U CN214063046 U CN 214063046U
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Abstract
The utility model provides an improve scalable wind curtain of going up centering precision in pit relates to construction technical field in the pit, including first box, the bottom fixed mounting of first box inner wall has two first bases, and the activity of the center department of two first bases is inserted and is equipped with first bull stick, and the middle part of first bull stick is equipped with first gear, and the equal fixed mounting in both sides of first bull stick has the second gear, and the bottom fixed mounting of first box inner wall has the cavity post, and the bottom fixed mounting of cavity post inner wall has first spring, and the surface movable sleeve of first spring is equipped with the shock attenuation post, and the top fixed mounting of shock attenuation post has the lead screw. The utility model discloses, increased the structure that can adjust the bottom plate height, can still can raise the height that keeps out the wind the curtain and need not the manpower under different environment, alleviateed intensity of labour, make work more convenient, increased the structure of convenient to detach hammer ball, avoided the device to take place to collide with the inner wall of second box at the in-process that removes and lead to the device to damage or measure the inaccuracy.
Description
Technical Field
The utility model relates to a construction technical field especially relates to an improve scalable wind curtain of going up centering precision in pit.
Background
The underground wire is an eye for mine underground roadway construction and is limited by underground environment conditions, the underground wire is usually not completely arranged at one time but gradually laid along with underground roadway tunneling, so that the underground wire is lack of error checking and distribution in the construction process, and the precision control of each step of measuring the underground wire is of great importance. Instrument alignment errors are angle measurement errors due to misalignment of the instrument center and the station mark center. The underground wire points are arranged on a roadway top plate, the instrument needs to be centered under the wire points, the instrument centering is carried out by suspending a plumb ball through the wire points on the top plate, the plumb ball line can deflect and swing under the influence of natural wind, operation wind and the like, the center of the instrument can deviate from the center of the wire point pair by a small distance, namely, the line quantity error in the instrument centering is caused, and further, the angle measurement error is caused.
However, in the prior art, the weight of the vertical ball is increased by the currently used method for reducing the influence of the wind flow on the underground centering accuracy, namely, the weight is increased, and the vertical ball swing caused by the wind flow is reduced as much as possible; the working clothes are utilized to simply shield wind, namely, the working personnel shield the lower part of the plumb line in the wind flow direction by utilizing the working clothes, so that the plumb swing caused by wind flow is reduced as much as possible; and a method for increasing the centering times is adopted, namely, the average number is obtained by measuring for multiple times in multiple centering, so that the influence of wind flow on the underground centering precision is reduced, and a weight method of the vertical ball is aggravated, namely, the weight of the vertical ball is increased, and the deflection and swing amplitude of a vertical ball line is reduced. The method is influenced by the strength of wind current, cannot isolate the influence of the wind current on the swing of a vertical line, and is difficult to meet the requirement of high precision, a simple wind shielding method of a work clothes is adopted, only the wind current at the lower part of the vertical ball line can be shielded, and the wind current at the upper part of the vertical ball line and even the wind current at the root part of a top plate cannot be shielded, the method has poor effect, can be only used for weak wind current, and a centering frequency method is added, can eliminate the influence of the wind current on the centering precision on the underground to a certain extent, but increases the labor intensity, so that the work is more complicated, the final centering is only closer to the average number of real data, the overall wind power eliminating effect is poor, the expected measuring precision cannot be achieved, and in the transportation process, the vertical ball is easy to shake in a second box body and can collide with the inner wall of the device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, increased the structure that can adjust the bottom plate height, can still raise the height of keeping out the wind curtain under different environment, and need not the manpower adjustment, alleviateed intensity of labour, it is more convenient to make work, has increased the structure of convenient to detach hammer ball, has avoided the device to take place to collide with the inner wall of second box at the in-process that removes and has leaded to the device to damage or measure the inaccuracy.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the shock absorber comprises a first box body, wherein two first bases are fixedly arranged at the bottom of the inner wall of the first box body, a first rotating rod is movably inserted at the center of the two first bases, a first gear is arranged in the middle of the first rotating rod, second gears are fixedly arranged on two sides of the first rotating rod, a hollow column is fixedly arranged at the bottom of the inner wall of the first box body, a first spring is fixedly arranged at the bottom of the inner wall of the hollow column, a shock absorbing column is movably sleeved on the outer surface of the first spring, a lead screw is fixedly arranged at the top of the shock absorbing column, a motor is fixedly arranged at the bottom of the inner wall of the first box body, a third gear is fixedly sleeved at the output end of the motor, a third bottom plate is fixedly arranged at the top of the lead screw, second springs are fixedly inserted at two sides of the third bottom plate, and ejector blocks are fixedly connected with one ends of the two second springs which are opposite to each other, the top movable mounting of third bottom plate has the second box, the top fixed mounting of second box has first bottom plate, the both sides of first bottom plate inner wall are all fixed to be inserted and are equipped with the bearing, two through second bull stick fixed connection between the internal surface of bearing, the fixed surface of second bull stick installs the commentaries on classics board, the equal fixed mounting in both sides of commentaries on classics board has the torsional spring, the one end fixedly connected with second bottom plate that first bottom plate was kept away from to the commentaries on classics board, the bottom fixed mounting of second bottom plate has spacing post, the surface activity of spacing post is around being equipped with the haulage rope.
Preferably, the end of the first spring close to the bottom of the inner wall of the first box body is fixedly connected with the inner wall of the hollow column, and the end of the first spring far away from the bottom of the inner wall of the first box body is fixedly connected with the outer surface of the shock absorption column.
Preferably, the outer surface of the second gear is meshed with the outer surface of the screw rod, and the roller teeth of the first gear are matched with the roller teeth of the third gear.
Preferably, the sliding grooves are fixedly formed in the two sides of the third bottom plate, the inner wall of each sliding groove is fixedly connected with one end of each second spring, the other end of each second spring is fixedly connected with the outer surface of the corresponding ejector block, the damping grooves are formed in the two sides of the inner wall of the second box body, and the inner walls of the damping grooves are matched with the outer surfaces of the ejector blocks.
Preferably, one end of each torsion spring, which is far away from the rotating plate, is fixedly connected with the inner wall of the first bottom plate, and the outer surface of each bearing is fixedly connected with the inner wall of the first bottom plate.
Preferably, the top of the first bottom plate is provided with a limiting hole, and the inner wall of the limiting hole is matched with the outer surface of the limiting column.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, when the height of the wind-proof curtain needs to be adjusted, firstly, the motor starts to work, then the output end of the motor drives the third gear to rotate, the third gear drives the first gear to rotate, then the first gear drives the two ends of the first rotating rod to be fixedly provided with the second gear to rotate through the first rotating rod, at the moment, the first rotating rod rotates along the center of the first base, then the second gear drives the screw rod to move upwards, at the moment, the damping column is driven to move upwards, at the moment, the inner wall of the hollow column is stretched to achieve the damping purpose, then the screw rod upwards pushes the third bottom plate, then the third bottom plate drives the second box body to move upwards integrally, at the moment, when the connecting part of the third bottom plate and the second box body generates a gap to easily cause vibration, the top block outwards pushes the damping grooves arranged at the two sides of the inner wall of the second box body to reinforce, then the second spring is stressed to damp, the structure that can adjust the bottom plate height has been increased, can still can raise the height of keeping out the wind the curtain under different environment, and need not the manpower adjustment, has alleviateed intensity of labour, makes work more convenient.
2, the utility model discloses in, when needs take out haulage rope bottom fixed connection's ball that hangs down, at first upwards detain the second bottom plate, the commentaries on classics board of the rear surface fixed mounting of second bottom plate rotates along the second bull stick this moment, the second bull stick rotates along the bearing this moment, the torsional spring atress rotates the crimple afterwards, take out the haulage rope from the surface of the spacing post of the bottom fixed mounting of second bottom plate afterwards, loosen the second bottom plate afterwards, the torsional spring atress does not begin the reconversion this moment, it rotates to drive the commentaries on classics board, the commentaries on classics board drives the second bull stick and rotates this moment, the second bull stick rotates along the bearing this moment, the second bottom plate is driven by the commentaries on classics board afterwards and is laminated with first bottom plate, the surface of spacing post agrees with mutually with the inner wall in spacing hole afterwards, the structure of convenient to detach hammer ball has been increased, avoided the device to take place to collide with the inner wall of second box at the in-process of removal and lead to the device damage or measure the inaccuracy.
Drawings
FIG. 1 is a front cross-sectional view of a retractable wind screen for improving the accuracy of downhole upper centering according to the present invention;
FIG. 2 is a top view of a first box of a retractable wind curtain for improving the accuracy of downhole and uphole centering according to the present invention;
FIG. 3 is a side cross-sectional view of a first base plate of a retractable wind curtain of the present invention for improving the accuracy of downhole upper centering;
fig. 4 is the utility model provides a scalable curtain second bottom plate stereogram that keeps out wind of centering precision on improving in the pit.
Illustration of the drawings:
1. a first case; 2. a first base; 3. a first gear; 4. a chute; 5. a third base plate; 6. a shock-absorbing post; 7. a first spring; 8. a hollow column; 9. a screw rod; 10. a second case; 11. a hauling rope; 12. a first base plate; 13. rotating the plate; 14. a second base plate; 15. a second spring; 16. a top block; 17. a second gear; 18. a motor; 19. a first rotating lever; 20. a second rotating rod; 21. a bearing; 22. a torsion spring; 23. a limiting column; 24. a third gear.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
The whole embodiment 1 achieves the effect that, when the height of the wind-shielding curtain needs to be adjusted, firstly, the motor 18 starts to work, then the output end of the motor 18 drives the third gear 24 to rotate, the third gear 24 drives the first gear 3 to rotate, then the first gear 3 drives two ends of the first rotating rod 19 to fixedly install the second gear 17 to rotate through the first rotating rod 19, at this time, the first rotating rod 19 rotates along the center of the first base 2, then the second gear 17 drives the screw rod 9 to move upwards, at this time, the shock absorption column 6 is driven to move upwards, at this time, the first spring 7 is stretched on the inner wall of the hollow column 8 to achieve the purpose of shock absorption, then the screw rod 9 pushes the third bottom plate 5 upwards, at this time, the third bottom plate 5 drives the second box 10 to move upwards integrally, at this time, when a gap is generated at the connection position of the third bottom plate 5 and the second box 10 to easily cause vibration, the top block 16 pushes the shock absorption grooves formed at two sides of the inner wall of the second box 10 outwards to reinforce, second spring 15 atress carries out the shock attenuation afterwards, has increased the structure that can adjust the bottom plate height, can still can raise the height of keeping out the wind the curtain under different environment, and need not the manpower adjustment, has alleviateed intensity of labour, makes work more convenient.
Example 2 the process of example 2, as shown in figure 1, fig. 2 and fig. 3 show, the utility model provides a top fixed mounting of second box 10 has first bottom plate 12, the both sides of first bottom plate 12 inner wall are all fixed to be inserted and are equipped with bearing 21, through second bull stick 20 fixed connection between the internal surface of two bearing 21, the fixed surface of second bull stick 20 installs and changes board 13, the equal fixed mounting in both sides of changing board 13 has torsional spring 22, the one end fixedly connected with second bottom plate 14 of first bottom plate 12 is kept away from to changeing board 13, the bottom fixed mounting of second bottom plate 14 has spacing post 23, the surface activity of spacing post 23 is around being equipped with haulage rope 11, the one end that changes board 13 and the inner wall fixed connection of first bottom plate 12 are kept away from to two torsional springs 22, the surface of bearing 21 and the inner wall fixed connection of first bottom plate 12, spacing hole has been seted up at the top of first bottom plate 12, and the outer surface looks adaptation of the inner wall in spacing hole and spacing post 23.
The whole embodiment 2 achieves the effect that when the drooping ball fixedly connected with the bottom of the traction rope 11 needs to be taken out, the second bottom plate 14 is firstly buckled upwards, the rotating plate 13 fixedly installed on the rear surface of the second bottom plate 14 rotates along the second rotating rod 20, the second rotating rod 20 rotates along the bearing 21, the torsion spring 22 is stressed to rotate and contract, the traction rope 11 is taken out from the outer surface of the limiting column 23 fixedly installed at the bottom of the second bottom plate 14, the second bottom plate 14 is loosened, the torsion spring 22 starts to recover from the original shape without stress, the rotating plate 13 is driven to rotate, the rotating plate 13 drives the second rotating rod 20 to rotate, the second rotating rod 20 rotates along the bearing 21, the second bottom plate 14 is driven by the rotating plate 13 to be attached to the first bottom plate 12, the outer surface of the limiting column 23 is engaged with the inner wall of the limiting hole, and a structure convenient for disassembling the hammer ball is added, the damage or the inaccurate measurement of the device caused by the collision between the device and the inner wall of the second box body 10 in the moving process is avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an improve in the pit scalable weather curtain of centering precision, includes first box (1), its characterized in that: the bottom fixed mounting of first box (1) inner wall has two first bases (2), two the activity of center department of first base (2) is inserted and is equipped with first bull stick (19), the middle part of first bull stick (19) is equipped with first gear (3), the equal fixed mounting in both sides of first bull stick (19) has second gear (17), the bottom fixed mounting of first box (1) inner wall has well hollow column (8), the bottom fixed mounting of well hollow column (8) inner wall has first spring (7), the surface movable sleeve of first spring (7) is equipped with shock absorber column (6), the top fixed mounting of shock absorber column (6) has lead screw (9), the bottom fixed mounting of first box (1) inner wall has motor (18), the fixed cover of output of motor (18) is equipped with third gear (24), the top fixed mounting of lead screw (9) has third bottom plate (5), the two sides of the third bottom plate (5) are fixedly inserted with second springs (15), one ends of the two second springs (15) which are opposite to each other are fixedly connected with a top block (16), the top of the third bottom plate (5) is movably installed with a second box body (10), the top of the second box body (10) is fixedly installed with a first bottom plate (12), the two sides of the inner wall of the first bottom plate (12) are fixedly inserted with bearings (21), the two inner surfaces of the bearings (21) are fixedly connected with each other through a second rotating rod (20), the outer surface of the second rotating rod (20) is fixedly installed with a rotating plate (13), the two sides of the rotating plate (13) are fixedly installed with torsion springs (22), one end of the rotating plate (13) far away from the first bottom plate (12) is fixedly connected with a second bottom plate (14), and the bottom of the second bottom plate (14) is fixedly installed with a limiting column (23), the outer surface of the limiting column (23) is movably wound with a traction rope (11).
2. The retractable wind-shielding curtain for improving the underground up-centering accuracy according to claim 1, wherein: one end of the first spring (7) close to the bottom of the inner wall of the first box body (1) is fixedly connected with the inner wall of the hollow column (8), and one end of the first spring (7) far away from the bottom of the inner wall of the first box body (1) is fixedly connected with the outer surface of the shock absorption column (6).
3. The retractable wind-shielding curtain for improving the underground up-centering accuracy according to claim 1, wherein: the outer surface of the second gear (17) is meshed with the outer surface of the screw rod (9), and the roller teeth of the first gear (3) are matched with the roller teeth of the third gear (24).
4. The retractable wind-shielding curtain for improving the underground up-centering accuracy according to claim 1, wherein: the both sides of third bottom plate (5) are all fixed and have been seted up spout (4), and the inner wall of spout (4) and the one end fixed connection of second spring (15), the other end of second spring (15) and the outer fixed surface of kicking block (16) are connected, the shock attenuation groove has all been seted up to the both sides of second box (10) inner wall, and the outer surface looks adaptation of the inner wall in shock attenuation groove and kicking block (16).
5. The retractable wind-shielding curtain for improving the underground up-centering accuracy according to claim 1, wherein: one end, far away from the rotating plate (13), of each torsion spring (22) is fixedly connected with the inner wall of the first bottom plate (12), and the outer surface of the bearing (21) is fixedly connected with the inner wall of the first bottom plate (12).
6. The retractable wind-shielding curtain for improving the underground up-centering accuracy according to claim 1, wherein: the top of the first bottom plate (12) is provided with a limiting hole, and the inner wall of the limiting hole is matched with the outer surface of the limiting column (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022621388.0U CN214063046U (en) | 2020-11-13 | 2020-11-13 | Telescopic wind shielding curtain capable of improving underground upper centering precision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022621388.0U CN214063046U (en) | 2020-11-13 | 2020-11-13 | Telescopic wind shielding curtain capable of improving underground upper centering precision |
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| CN214063046U true CN214063046U (en) | 2021-08-27 |
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| CN202022621388.0U Active CN214063046U (en) | 2020-11-13 | 2020-11-13 | Telescopic wind shielding curtain capable of improving underground upper centering precision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984324A (en) * | 2021-12-07 | 2022-01-28 | 付媛媛 | Highway bridge engineering construction risk assessment method based on big data |
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2020
- 2020-11-13 CN CN202022621388.0U patent/CN214063046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984324A (en) * | 2021-12-07 | 2022-01-28 | 付媛媛 | Highway bridge engineering construction risk assessment method based on big data |
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