CN211552827U - Multi-caliber leveling rod fixing and supporting system - Google Patents
Multi-caliber leveling rod fixing and supporting system Download PDFInfo
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- CN211552827U CN211552827U CN202020314805.4U CN202020314805U CN211552827U CN 211552827 U CN211552827 U CN 211552827U CN 202020314805 U CN202020314805 U CN 202020314805U CN 211552827 U CN211552827 U CN 211552827U
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Abstract
The utility model relates to a many calibers levelling rod fixed stay system has solved levelling rod must vertically technical problem. The utility model comprises an adjustable fixing part, a connecting part and a telescopic supporting part, wherein the adjustable fixing part comprises a U-shaped bayonet, and a screwing screw and a connecting column which can adjust the opening size are arranged on the U-shaped bayonet; the connecting part is provided with two connecting rod bodies with adjustable opening angles, and the connecting part is also provided with a press lock and a connecting column blind hole; the telescopic supporting part comprises two telescopic supporting rods which can be freely telescopic. The utility model discloses convenient operation, it is fixed firm, use manpower sparingly, improved leveling's speed, efficiency, provide the assurance for the accuracy of front and back sight chi body reading. The utility model discloses the system can satisfy and reach the technical requirement of accurate leveling to the levelling rod straightness that hangs down, especially has great using value in the leveling of national level route, has fine popularization and application and worth.
Description
Technical Field
The utility model relates to an engineering survey and geodetic survey technical field, the utility model relates to a fixed levelling rod's when carrying out accurate leveling practical tool specifically is a many calibers levelling rod fixed stay system.
Background
Leveling is one of the methods for determining the elevation point of the ground, and is a common method with higher precision in elevation measurement. When large-scale leveling is carried out, the leveling route is very long, the stations are very many, the front-view leveling rod and the rear-view leveling rod of each station need to be read twice, if the manual leveling rod is adopted, the leveling rod is influenced by external environment and human factors, the leveling rod is difficult to ensure not to incline and not to shake, even if the leveling rod slightly shakes and inclines to a small degree from front to back, the front-view reading and the rear-view reading have errors, the accidental errors can be accumulated from station to station, the measurement result is out of limit, once the measurement result is out of limit, the retest is carried out, the time is delayed, and the manpower and material resources are wasted. The leveling rod has various models and specifications, and the length, the width, the thickness and the like are different. Therefore, it is very important to design a fixing assembly capable of meeting various specifications of leveling rulers. For example, CN201920171238.9, a leveling rod with a support frame, discloses a support frame of a leveling rod, which is also provided with a U-shaped clamping device and a telescopic supporting rod, but lacks a part capable of stably and detachably connecting the U-shaped clamping device and the telescopic supporting rod together, and has no function of adjusting the opening angle of the telescopic rod, and the use stability and applicability are deficient.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and providing a multi-caliber leveling rod fixing and supporting system. The supporting system can avoid the condition that the leveling rod is manually held up all the time when leveling is carried out, can quickly and effectively ensure the verticality of the leveling rod, reduces the reading error of the front and back sight, improves the measurement precision and speed, and achieves the purpose of precise leveling.
The utility model discloses a realize through following technical scheme:
a multi-aperture leveling rod fixing and supporting system comprises an adjustable fixing part, a connecting part and a telescopic supporting part;
the adjustable fixing part comprises a U-shaped bayonet, an anti-slip pad is fixed on the inner wall of a side plate on one side of the U-shaped bayonet, and a screwing screw vertically penetrating through the side plate is connected to the side plate on the other side of the U-shaped bayonet in a threaded manner; a cushion block is fixed at one end part of the screwing screw positioned in the U-shaped bayonet, an anti-slip pad is fixed on the outer surface of the cushion block, and a rotating hand wheel is fixed at one end part of the screwing screw positioned outside the U-shaped bayonet; a connecting column is arranged at the central position of a bottom plate of the U-shaped bayonet and is positioned outside the U-shaped bayonet, and a circle of concave arc-shaped clamping groove is formed in the cylindrical surface of the connecting column, which is close to the end part of the outer end;
the connecting part comprises a connecting block body, a screw through hole penetrating through the upper part and the lower part of the connecting block body is formed in the connecting block body, a connecting screw is connected in the screw through hole in a threaded manner, screw caps at two ends of the connecting screw and the end part of a screw rod both exceed the connecting block body, two connecting rod bodies are sequentially sleeved on the screw rod between the screw caps and the connecting block body, the end part of the screw rod is in threaded connection with an adjusting handle, and a hinge groove is formed in the end part; the upper surface of the connecting block body is provided with a vertical blind pressing hole, one side surface of the connecting block body is provided with a limiting sliding chute which is consistent with the axial direction of the blind pressing hole and is communicated with the blind pressing hole, the adjacent side surface of the connecting block body is provided with a connecting column blind hole which is vertical to the axial direction of the blind pressing hole, and the connecting column blind hole and the blind pressing hole are provided with a communicating port which is formed by intersection; the bottom of the blind hole of the press lock is provided with a compression spring, the press lock is arranged in the blind hole of the press lock, the press lock comprises a press head, the bottom of the press head is fixed with a lock column, the middle part of the lock column to the top connected with the press head are designed into an inclined plane with gradually reduced diameter, and a stop screw connected with the press lock is clamped in the limiting sliding chute in a sliding way;
the telescopic supporting part comprises two telescopic supporting rods with the same structure, the telescopic supporting rods comprise an upper rod body and a lower rod body which are sleeved together, a locking sleeve is arranged at the sleeved part of the upper rod body and the lower rod body, a hinged plate is arranged at the top end of the upper rod body, and a pin is arranged at the bottom end of the lower rod body;
the connecting column on the adjustable fixing part is inserted into the connecting column blind hole of the connecting part, and the lock column of the lock is clamped in the arc-shaped clamping groove of the connecting column; the hinged plate on the telescopic supporting rod is hinged in the hinged groove of the connecting rod body through a pin shaft.
Utilize adjustable fixing system, flexible bracing piece system, through adjusting bracing piece length, make the bubble of circle level ware placed in the middle, guarantee the straightness that hangs down of levelling rod, guarantee measurement accuracy, make measurement operation efficiency and rate of accuracy improve greatly.
As the preferred technical scheme, a threaded hole is formed in the center of the bottom plate of the U-shaped bayonet, threads are formed in the end portion of the connecting column, and the connecting column is in threaded connection with the threaded hole.
As preferred technical scheme, the position cover that is located between adjustment handle and the connection block body on the connecting screw is equipped with the gasket.
As preferred technical scheme, the slipmat passes through the fixed screw to be fixed on the curb plate inner wall and the cushion of U type bayonet socket.
The utility model discloses the system can be suitable for the fixed stay of multiple levelling rod, has solved levelling rod must vertically technical problem, and convenient operation is fixed firm, uses manpower sparingly, has improved levelling's speed, efficiency, looks at the accuracy of chi body reading and provides the assurance around for. The utility model discloses the system can satisfy and reach the technical requirement of accurate leveling to the levelling rod straightness that hangs down, especially has great using value in the leveling of national level route, brings fine economy and social for the measurement unit, has fine popularization and application and worth.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention in any way.
Fig. 1 is a schematic diagram of the overall three-dimensional structure of the device of the present invention.
Fig. 2 is a schematic view of a planar structure of an adjustable fixing portion of the device of the present invention.
Fig. 3 is a schematic diagram of a three-dimensional structure of a connecting portion in the device of the present invention.
Fig. 4 is a schematic diagram of a three-dimensional structure of a connecting portion in the device of the present invention.
Fig. 5 is a first schematic plan view of a connecting portion of the device of the present invention.
Fig. 6 is a schematic plan view of a connecting portion of the device of the present invention.
Fig. 7 is a schematic three-dimensional structure diagram of the telescopic supporting portion in the device of the present invention.
Fig. 8 is a schematic view of the connection between the connection portion and the telescopic support portion in the device of the present invention.
In the figure: 1-ruler body, 2-ruler pad, 3-round level, 4-U-shaped bayonet, 5-fixed screw, 6-non-slip pad, 7-screwing screw, 8-cushion block, 9-rotating hand wheel, 10-connecting column, 11-arc clamping groove, 12-connecting block, 13-connecting screw, 14-connecting rod body, 15-adjusting handle, 16-gasket, 17-hinging groove, 18-pressing blind hole, 19-limiting sliding groove, 20-connecting column blind hole, 21-communicating port, 22-compression spring, 23-pressing head, 24-locking column, 25-blocking screw, 26-upper rod body, 27-lower rod body, 28-locking sleeve, 29-hinged plate and 30-pin.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The leveling rod is a special measuring tool for precise leveling measurement, and comprises a rod body 1, a rod pad 2 and a circular level 3; the ruler pad 2 is made of a triangular cast iron block, a protruded hemisphere is arranged in the center of the upper portion of the ruler pad and used for being connected with the bottom of the ruler body 1, when the leveling ruler rotates in the direction, the elevation of the ruler bottom cannot be changed, and three sharp corners are arranged on the lower portion of the leveling ruler pad so that the leveling ruler can be stepped into the soil to enable the ruler body to be stable; the circular level 3 is a closed circular glass container, the inner surface of the top cover is a spherical surface, ether liquid is contained in the container, a small bubble is left, and a small ring is carved in the center of the top cover of the container; the ruler body 1 is provided with a fixed slot, and the circular level 3 is clamped in the fixed slot to be fixed with the ruler body 1.
The utility model provides a multi-caliber leveling rod fixing and supporting system, which is used for fixing and supporting leveling rods with different widths and thicknesses, and comprises an adjustable fixing part, a connecting part and a telescopic supporting part as shown in figures 1 to 8; adjustable fixed part is used for the chi body 1 of fixed levelling rod, and connecting portion are used for being connected between adjustable fixed part and the telescopic support portion, and the telescopic support portion is used for supporting fixed levelling rod, still adjusts round level 3 simultaneously, makes the bubble placed in the middle to reach the vertically purpose of levelling rod.
The adjustable fixing part comprises a U-shaped bayonet 4, and the U-shaped bayonet 4 consists of a bottom plate and side plates arranged on two sides of the bottom plate; an anti-slip pad 6 is fixed on the inner wall of the side plate at one side of the U-shaped bayonet 4 through a fixing screw 5; a threaded hole is formed in the side plate on the other side of the U-shaped bayonet 4, and a screwing screw 7 vertically penetrating through the side plate is connected to the inner thread of the threaded hole; a cushion block 8 is anchored at one end part of the screwing screw 7 positioned in the U-shaped bayonet 4, and an anti-slip pad 6 is fixed on the outer surface of the cushion block 8 through a fixing screw 5 so as to prevent the leveling rod from being stressed and damaged due to direct contact with the U-shaped bayonet 4; a rotating hand wheel 9 is fixed at one end part of the screwing screw 7 positioned outside the U-shaped bayonet 4; the central point of the bottom plate of U type bayonet socket 4 puts the department and sets up threaded hole, and the tip of spliced pole 10 is provided with the screw thread, and spliced pole 10 threaded connection is in threaded hole, and spliced pole 10 is located the outside of U type bayonet socket 4, is provided with the arc draw-in groove 11 of round indent on the cylinder that is close to the outer end tip on the spliced pole 10. The purpose of adjusting the size of the effective bayonet of the U-shaped bayonet 4 can be achieved through the design of the screwing screw 7, the cushion block 8 and the rotating hand wheel 9, specifically, the screwing screw 7 is driven to move horizontally by rotating the rotating hand wheel 9, so that the cushion block 8 moves along with the screwing screw, the net size of the effective bayonet of the U-shaped bayonet 4 is finally adjusted, and the width requirements of different leveling rulers are met; the slipmat 6 that sets up in U type bayonet 4 has avoided the direct contact of levelling rod with U type bayonet 4, protects the levelling rod, plays the effect of antiskid loss prevention.
The connecting part comprises a connecting block body 12, a screw through hole penetrating through the upper part and the lower part of the connecting block body 12 is formed in the connecting block body 12, a connecting screw 13 is connected in the screw through hole in a threaded manner, screw caps and screw rod end parts at two ends of the connecting screw 13 are arranged beyond the connecting block body 12, two connecting rod bodies 14 are sequentially sleeved on a screw rod positioned between the screw caps and the connecting block body 12, the screw rod end part is in threaded connection with an adjusting handle 15, a gasket 16 is arranged between the adjusting handle 15 and the connecting block body 12 on the screw rod, and a hinge groove 17 is formed; the adjusting handle 15 is rotated to loosen the clamped connecting rod bodies 14, then the opening angles of the two connecting rod bodies 14 can be adjusted, and after the angles are adjusted, the adjusting handle 15 is rotated again, and the connecting rod bodies 14 can be clamped again. The upper surface of the connecting block body 12 is provided with a blind pressing and locking hole 18 in the vertical direction, one side surface of the connecting block body 12 is provided with a limiting sliding chute 19 which is consistent with the axial direction of the blind pressing and locking hole 18 and is communicated with the blind pressing and locking hole 18, the adjacent side surface of the connecting block body 12 is provided with a connecting column blind hole 20 which is vertical to the axial direction of the blind pressing and locking hole 18, and the connecting column blind hole 20 and the blind pressing and locking hole 18 are provided with a communicating opening 21 formed by intersecting at one position; a compression spring 22 is arranged at the bottom of the blind press-locking hole 18, a press lock is arranged in the blind press-locking hole 18 and comprises a press head 23, a lock column 24 is fixed at the bottom of the press head 23, an inclined plane with gradually reduced diameter is arranged between the middle part of the lock column 24 and the top connected with the press head 23, and a stop screw 25 connected with the press lock is slidably clamped in the limit chute 19; the press lock can move up and down in the press lock blind hole 18 by pressing, the press lock can reset in time after moving up and down by the compression spring 22, and the blocking screw 25 can prevent the press lock from falling off from the press lock blind hole 18; when the button lock is not pressed, the lower cylinder of the button lock 24 is positioned in the communication opening 21 formed by the intersection of the connecting column blind hole 20 and the button lock blind hole 18, when the button lock is pressed downwards, the button lock 24 moves downwards, the lower cylinder of the button lock 24 withdraws from the communication opening 21, and the communication opening 21 is in an empty state because the upper part of the button lock 24 is an inclined surface with gradually reduced diameter.
The telescopic supporting part comprises two telescopic supporting rods with the same structure, the telescopic supporting rods comprise an upper rod body 26 and a lower rod body 27 which are sleeved together, a locking sleeve 28 is arranged at the sleeving part of the upper rod body 26 and the lower rod body 27, a hinged plate 29 is arranged at the top end of the upper rod body 26, and a pin 30 is arranged at the bottom end of the lower rod body 26. The locking sleeve 28 can adjust the length of the telescopic supporting rod so as to achieve the purpose of leveling the circular level 3; the pins 30 can be inserted into the ground to achieve the fixing function.
The connection between adjustable fixed part and the connecting portion is fixed as follows: firstly, the lock is pressed downwards, the cylinder on the lower portion of the lock column 24 is withdrawn from a communication port 21 formed by intersection of the connecting column blind hole 20 and the press blind hole 18, the communication port 21 is in an empty state at the moment, then the connecting column 10 is inserted into the connecting column blind hole 20, the arc-shaped clamping groove 11 in the inserted connecting column 10 is just located at the communication port 21, the lock is loosened, the lock column 24 moves upwards, the cylinder on the lower portion of the lock column 24 rebounds to the communication port 21, and meanwhile the cylinder on the lower portion of the lock column 24 is clamped in the arc-shaped clamping groove 11 of the connecting column 10, so that connection and fixation between the adjustable fixing portion and the connecting.
The connection between connecting portion and the flexible supporting part is fixed as: the hinged plates 29 on the two telescopic supporting rods are respectively inserted into the hinged grooves 17 of the two connecting rod bodies 14, and then the hinged connection of the two connecting rod bodies is realized through a pin shaft. The opening angle between the two telescopic support rods can be adjusted by changing the opening angle of the two connecting rod bodies 14.
During the use, adjust 4 sizes of U type bayonet sockets, make its card put on the levelling rod, rotatory hand wheel 9 will be adjustable fixed part tightly fix on the levelling rod, then the length of rethread regulation telescopic support portion makes the bubble of the round level 3 on the levelling rod placed in the middle, finally guarantees the straightness that hangs down of levelling rod, guarantees measurement accuracy, makes measurement operation efficiency and rate of accuracy improve greatly.
The technical solutions in the embodiments of the present invention have been clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a many calibers levelling rod fixed stay system which characterized in that: comprises an adjustable fixing part, a connecting part and a telescopic supporting part;
the adjustable fixing part comprises a U-shaped bayonet, an anti-slip pad is fixed on the inner wall of a side plate on one side of the U-shaped bayonet, and a screwing screw vertically penetrating through the side plate is connected to the side plate on the other side of the U-shaped bayonet in a threaded manner; a cushion block is fixed at one end part of the screwing screw positioned in the U-shaped bayonet, an anti-slip pad is fixed on the outer surface of the cushion block, and a rotating hand wheel is fixed at one end part of the screwing screw positioned outside the U-shaped bayonet; a connecting column is arranged at the central position of a bottom plate of the U-shaped bayonet and is positioned outside the U-shaped bayonet, and a circle of concave arc-shaped clamping groove is formed in the cylindrical surface of the connecting column, which is close to the end part of the outer end;
the connecting part comprises a connecting block body, a screw through hole penetrating through the upper part and the lower part of the connecting block body is formed in the connecting block body, a connecting screw is connected in the screw through hole in a threaded manner, screw caps at two ends of the connecting screw and the end part of a screw rod both exceed the connecting block body, two connecting rod bodies are sequentially sleeved on the screw rod between the screw caps and the connecting block body, the end part of the screw rod is in threaded connection with an adjusting handle, and a hinge groove is formed in the end part; the upper surface of the connecting block body is provided with a vertical blind pressing hole, one side surface of the connecting block body is provided with a limiting sliding chute which is consistent with the axial direction of the blind pressing hole and is communicated with the blind pressing hole, the adjacent side surface of the connecting block body is provided with a connecting column blind hole which is vertical to the axial direction of the blind pressing hole, and the connecting column blind hole and the blind pressing hole are provided with a communicating port which is formed by intersection; the bottom of the blind hole of the press lock is provided with a compression spring, the press lock is arranged in the blind hole of the press lock, the press lock comprises a press head, the bottom of the press head is fixed with a lock column, the middle part of the lock column to the top connected with the press head are designed into an inclined plane with gradually reduced diameter, and a stop screw connected with the press lock is clamped in the limiting sliding chute in a sliding way;
the telescopic supporting part comprises two telescopic supporting rods with the same structure, the telescopic supporting rods comprise an upper rod body and a lower rod body which are sleeved together, a locking sleeve is arranged at the sleeved part of the upper rod body and the lower rod body, a hinged plate is arranged at the top end of the upper rod body, and a pin is arranged at the bottom end of the lower rod body;
the connecting column on the adjustable fixing part is inserted into the connecting column blind hole of the connecting part, and the lock column of the lock is clamped in the arc-shaped clamping groove of the connecting column; the hinged plate on the telescopic supporting rod is hinged in the hinged groove of the connecting rod body through a pin shaft.
2. The multi-aperture level bar fixed support system of claim 1, wherein: the center position department of the bottom plate of U type bayonet socket sets up threaded hole, and the tip of spliced pole is provided with the screw thread, and spliced pole threaded connection is in threaded hole.
3. The multi-aperture level fixing and supporting system according to claim 1 or 2, wherein: the position cover that lies in between adjustment handle and the connection block on the connecting screw is equipped with the gasket.
4. The multi-aperture level fixing and supporting system according to claim 1 or 2, wherein: the non-slip mat is fixed on the inner wall of the side plate of the U-shaped bayonet and the cushion block through fixing screws.
5. The multi-aperture level bar fixed support system of claim 3, wherein: the non-slip mat is fixed on the inner wall of the side plate of the U-shaped bayonet and the cushion block through fixing screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314805.4U CN211552827U (en) | 2020-03-14 | 2020-03-14 | Multi-caliber leveling rod fixing and supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314805.4U CN211552827U (en) | 2020-03-14 | 2020-03-14 | Multi-caliber leveling rod fixing and supporting system |
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| Publication Number | Publication Date |
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| CN211552827U true CN211552827U (en) | 2020-09-22 |
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| CN202020314805.4U Active CN211552827U (en) | 2020-03-14 | 2020-03-14 | Multi-caliber leveling rod fixing and supporting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217755A (en) * | 2021-04-01 | 2021-08-06 | 中交第二航务工程局有限公司 | Rotatable telescopic three-way prism group and use method thereof |
-
2020
- 2020-03-14 CN CN202020314805.4U patent/CN211552827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217755A (en) * | 2021-04-01 | 2021-08-06 | 中交第二航务工程局有限公司 | Rotatable telescopic three-way prism group and use method thereof |
| CN113217755B (en) * | 2021-04-01 | 2022-07-15 | 中交第二航务工程局有限公司 | Rotatable telescopic three-way prism group and use method thereof |
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