CN210070918U

CN210070918U - Leveling rod

Info

Publication number: CN210070918U
Application number: CN201921174741.6U
Authority: CN
Inventors: 夏磊凯; 汪成成; 缪晗; 戴其冬
Original assignee: Shanghai Map Technology Co Ltd
Current assignee: Shanghai Map Technology Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-02-14
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a levelling rod relates to engineering measuring equipment field. The utility model provides a levelling rod, connects fixing device, and fixing device includes a plurality of bracing pieces, fixed subassembly and adjusting part, and the bracing piece is provided with the regulation latch including pole and the outer pole of support in supporting, pole in the support, and the support outer pole is provided with the regulation latch shifting chute, and adjusting part is including adjusting the latch axle, adjusts the latch axle and is provided with the regulation latch, and the pole is adjusted through adjusting the latch axle with the outer pole of support and is removed in the support. Through the technical scheme, the length of the supporting rod can be adjusted by a measurer, so that the leveling rod is kept vertical when being measured, the leveling rod is prevented from shaking, the measurement error is reduced, and the accuracy of the measurement result is improved.

Description

Leveling rod

Technical Field

The utility model relates to an engineering measurement equipment field especially relates to a levelling rod.

Background

In engineering construction, engineers often need to carry out various engineering measurements on the landform, leveling is one of important measurement items, and a leveling rod is a ruler used for leveling and is made of high-quality wood or glass fiber reinforced plastic, aluminum alloy and other materials. The commonly used leveling rod comprises a tower ruler, a folding ruler and a double-sided leveling rod.

The prior Chinese patent with the publication number of CN205642354U discloses an assembled portable leveling rod. This portable levelling rod, including two at least levelling rod units, adjacent levelling rod unit passes through the tenon structure and can dismantle the connection, the tenon structure includes the tenon and to inserting the complex recess with the tenon, is provided with the button that can stretch out and draw back on the tenon, sets up the button hole that makes the button pass on the lateral wall of recess.

Above-mentioned levelling rod is when the in-service use, and the alignment and the fixed of levelling rod all need be accomplished by the manual work, nevertheless because hold up the chi personnel and hardly guarantee that the levelling rod is vertical all the time, hold up the chi person and make the levelling rod produce rocking of certain degree easily during the levelling rod reading, increase leveling error for measuring result is inaccurate.

Disclosure of Invention

The utility model provides a to the problem that the staff of holding up who provides is difficult to guarantee that the levelling rod is vertical in the background art, the utility model provides a levelling rod, this levelling rod are provided with fixing device and spirit level, through the effect of fixing device and spirit level for hold up the staff and can guarantee that the levelling rod is vertical all the time, avoid the levelling rod to produce and rock, reduced measuring error, improved measuring result's accuracy.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a leveling rod comprises a leveling rod, scales are arranged on one side of the leveling rod, a level gauge is arranged in one end of the leveling rod perpendicular to the extending direction of the leveling rod, a fixing device is rotatably connected to one side, away from the scales, of the leveling rod and comprises a fixing component, a plurality of supporting rods and an adjusting component, one end of each supporting rod is rotatably connected with the leveling rod through the fixing component, the adjusting component is fixedly connected with the supporting rods and comprises a fixing block and a rotating block, one end of the fixing block is fixedly connected to one side, away from the scales, of the leveling rod, one end, away from the leveling rod, of the fixing block is rotatably connected with the rotating block, each supporting rod comprises an inner supporting rod and an outer supporting rod, the outer supporting rod is sleeved on the inner supporting rod, and the inner supporting rod and the outer supporting rod are mutually moved, the utility model discloses a support outer pole, including support pole, adjusting part, regulating support bar, regulating part, regulating block and adjusting rack, pole one end with turning block fixed connection in supporting, the pole side is followed in the support pole extending direction is provided with the regulation latch, support the outer pole edge support the outer pole extending direction and seted up the regulation latch moving groove, support the outer pole perpendicular to support the outer pole extending direction with regulating part fixed connection, regulating part is including adjusting the latch axle and adjusting the backup pad, it passes through to adjust the latch axle adjust the backup pad with support outer pole fixed connection, adjust the latch axle perpendicular to it is provided with to adjust the latch axle extending direction adjust the latch, support the pole with support the outer pole through adjust the latch axle and adjust the removal.

Through the technical scheme, under the effect of fixed subassembly and bracing piece for the bracing piece can support the levelling rod through fixed subassembly, under the effect of spirit level and adjusting part, makes the measuring staff can adjust the length of bracing piece, and then ensures that the levelling rod keeps vertical when measuring, avoids the levelling rod to produce and rocks, has reduced measuring error, has improved measuring result's accuracy.

The utility model discloses a further set up to: the one end that supports the outer pole and keep away from fixed subassembly is provided with the expansion spring, the equal fixedly connected with in expansion spring both ends support the outer pole.

Through above-mentioned technical scheme, under the effect of expansion spring for the levelling rod can be opened the quick bullet of bracing piece when the in-service use, has improved the convenience that the levelling rod used.

The utility model discloses a further set up to: the one end that supports the outer pole and keep away from fixed subassembly is provided with bracing piece shrink draw-in groove piece, bracing piece shrink draw-in groove piece one end with support outer pole fixed connection.

Through above-mentioned technical scheme, under the effect of bracing piece shrink draw-in groove piece for when carrying or carrying the levelling rod, can reciprocal anchorage between the bracing piece, can not take place to rock each other, the convenience that further levelling rod used.

The utility model discloses a further set up to: and one end of the supporting outer rod, which is far away from the fixing component, is provided with a supporting rod non-slip mat.

Through above-mentioned technical scheme, keep the vertical in-process of levelling rod at the bracing piece, support outer pole and can not produce relative slip with ground, improved the stability of levelling rod.

The utility model discloses a further set up to: one end of the adjusting latch shaft, which is far away from the adjusting latch, is fixedly connected with a rotating handle.

Through the technical scheme, under the action of the rotating handle, a measurer can conveniently rotate to adjust the clamping tooth shaft, vertical adjustment of the leveling rod is achieved, and convenience in operation of the leveling rod is improved.

The utility model discloses a further set up to: a rough surface is arranged on the rotating handle.

Through above-mentioned technical scheme, under the effect of matte for survey crew can be more convenient rotate the regulation card tooth axle, further improvement the convenience of levelling rod operation.

The utility model discloses a further set up to: the supporting outer rod is perpendicular to a fixing shaft hole is formed in the extending direction of the supporting outer rod, a fixing shaft is arranged in the fixing shaft hole, threads are arranged on the fixing shaft hole, the fixing shaft passes through the fixing shaft hole and is rotatably installed on the supporting outer rod, and the supporting inner rod and the supporting outer rod pass through the fixing shaft to achieve mutual fixing.

Through above-mentioned technical scheme, under the effect of fixed axle and fixed shaft hole, after surveying staff adjusted the levelling rod vertical position, can realize supporting interior pole and supporting the reciprocal anchorage between the outer pole through the fixed axle, avoid supporting interior pole and supporting the outer pole and produce relative movement, improved the stability of levelling rod.

The utility model discloses a further set up to: the leveling rod is provided with a fixing device groove along the extending direction of the leveling rod, and the fixing device is embedded inside the leveling rod through the fixing device groove.

Through the technical scheme, under the action of the fixing device groove, the fixing device can be placed inside the leveling rod, the possibility of damage of the fixing device is reduced, and the carrying convenience of the leveling rod is improved.

The utility model has the advantages that:

(1) by arranging the fixing component, the supporting rod, the adjusting component and the level gauge, a measurer can support the leveling rod through the supporting rod and vertically adjust the leveling rod through the adjusting component, so that the leveling rod is prevented from shaking, the measuring error is reduced, and the accuracy of a measuring result is improved;

(2) by arranging the expansion spring, the support rod contraction clamping groove block, the rotating handle and the rough surface, a measurer can operate the leveling rod more conveniently, and the convenience of the leveling rod operation is improved;

(3) through setting up bracing piece slipmat, fixed axle for levelling rod can be stable keep vertical state, improved the stability of levelling rod.

Drawings

FIG. 1 is a closed overall structure diagram of a leveling rod scale according to a first embodiment;

FIG. 2 is an overall structure diagram of the leveling rod scale in the first embodiment;

FIG. 3 is an overall structure view of the leveling rod scale and the support rod according to the first embodiment;

fig. 4 is an overall structure diagram of the leveling rod in the second embodiment.

The reference symbols: 1. a fixing assembly; 11. a fixed block; 12. rotating the block; 2. a support bar; 21. supporting the inner rod; 22. a support outer bar; 3. an adjustment assembly; 31. adjusting the latch shaft; 32. adjusting the support plate; 4. adjusting the latch; 5. adjusting the latch moving groove; 6. a leveling rod; 7. unwinding a spring; 8. the support rod contracts the clamping groove block; 9. a support rod anti-skid pad; 10. rotating the handle; 14. fixing the shaft hole; 15. a fixed shaft; 16. a fixing device groove; 17. a level gauge.

Detailed Description

The present invention will be described in further detail with reference to examples.

The first embodiment is as follows:

as shown in fig. 1 and 2, a leveling rod comprises a leveling rod 6, wherein scales are arranged on one side of the leveling rod 6, one side, away from the scales, of the leveling rod 6 is connected with a fixing device, and the fixing device comprises a fixing component 1, two supporting rods 2 and an adjusting component 3. One end of the support rod 2 is rotatably connected to the level bar 6 through the fixing component 1, and the adjusting component 3 is fixedly installed at one end of the support rod 2 close to the fixing component 1.

Fixed subassembly 1 includes fixed block 11 and turning block 12, and 11 one end of fixed block and the one side fixed connection that level 6 kept away from the scale, the one end and the turning block 12 rotation that level 6 was kept away from to fixed block 11 are connected.

As shown in fig. 1 and 3, the support bar 2 includes a support inner bar 21 and a support outer bar 22. The supporting outer rod 22 is sleeved on the supporting inner rod 21, so that the supporting inner rod 21 and the supporting outer rod 22 can move mutually. One end of the support inner rod 21 is fixedly connected with one end of the rotating block 12 far away from the leveling rod 6. Support outer pole 22 perpendicular to support outer pole 22 extending direction and seted up fixed shaft hole 14, be provided with fixed axle 15 in the fixed shaft hole 14, fixed axle 15 and fixed shaft hole 14 all are provided with the screw thread, realize supporting interior pole 21 and support the reciprocal anchorage between outer pole 22 through rotating fixed axle 15.

In order to be used practically, the leveling rod 6 can be vertical, and the leveling rod 6 is vertical to the extending direction of the leveling rod 6, and a level gauge 17 is arranged inside one end of the leveling rod 6.

For during the in-service use, can be with the quick expansion of two bracing pieces 2, improve the convenience of levelling rod 6 operation, support outer pole 22 and keep away from the one end of fixed subassembly 1 and be provided with expansion spring 7, expansion spring 7 both ends and support outer pole 22 fixed connection.

In order to use during, prevent to rock each other carrying or carrying two bracing pieces 2 of in-process of levelling rod 6, support outer pole 22 and keep away from the one end of fixed subassembly 1 and be provided with bracing piece shrink draw-in

groove piece

8, 8 one ends of bracing piece shrink draw-in groove piece with support outer pole 22 fixed connection, the other end with support outer pole 22 joint.

For the time of in-service use, when fixing device maintains levelling rod 6 perpendicular, support outer rod 22 and ground production relative slip, improve levelling rod 6's stability, support outer rod 22 and keep away from the one end of fixed subassembly 1 and be provided with bracing piece slipmat 9.

As shown in fig. 2 and 3, the adjusting unit 3 is fixedly installed at one end of the supporting outer bar 22 near the fixing unit 1, perpendicular to the extending direction of the supporting outer bar 22. The adjusting component 3 comprises an adjusting latch shaft 31 and an adjusting support plate 32, the adjusting latch shaft 31 is fixed on the outer support rod through the adjusting support plate 32, and the adjusting latch shaft 31 is provided with an adjusting latch 4 perpendicular to the extending direction of the adjusting latch shaft 31.

The side of the support inner rod 21 is provided with an adjusting latch 4 along the extension direction of the support inner rod 21, and the support outer rod 22 is provided with an adjusting latch moving groove 5 along the extension direction of the support outer rod 22. The adjusting latch 4 on the supporting inner rod 21 is meshed with the adjusting latch 4 on the adjusting latch shaft 31, and the adjusting latch shaft 31 is rotated to realize the relative movement of the supporting inner rod 21 and the supporting outer rod 22 along the adjusting latch moving groove 5.

In order to enable a measurer to conveniently rotate the adjusting latch shaft 31 and improve the convenience of operation of the leveling rod 6, a rotating handle 10 is arranged at one end, far away from the adjusting latch 4, of the adjusting latch shaft 31.

In order to enable a measurer to rotate and adjust the latch shaft 31 more conveniently and further improve the convenience of the operation of the leveling rod, a rough surface is arranged on the rotating handle 10.

Through the setting, when the staff adjust fixing device and maintain levelling rod 6 and keep vertical, open bracing piece 2 earlier, place levelling rod 6 subaerial, adjust card tooth axle 31 through rotating, adjust the length of bracing piece 2, observe spirit level 17 simultaneously, adjust the vertical state with levelling rod 6. When the leveling rod reaches the vertical state, the inner support rod 21 and the outer support rod 22 are fixed with each other by rotating the fixing shaft 15. And then ensure that the leveling rod keeps vertical when measuring, avoid the leveling rod to produce and rock, reduced measuring error, improved measuring result's accuracy.

The present embodiment is further described below with reference to specific actions: in the actual application, when staff adjust fixing device and maintain levelling rod 6 and keep vertical, open bracing piece 2 earlier, place levelling rod 6 subaerial, adjust card pinion 31 through rotating, adjust the length of bracing piece 2, observe spirit level 17 simultaneously, adjust the vertical state with levelling rod 6. When the leveling rod reaches the vertical state, the inner support rod 21 and the outer support rod 22 are fixed with each other by rotating the fixing shaft 15.

Example two:

as shown in fig. 4, the difference from the first embodiment is that the leveling rod 6 is provided with a fixing groove 16 along the extending direction of the leveling rod 6, and the fixing device can be embedded in the leveling rod 6 through the fixing groove 16.

Through the arrangement, the fixing device can be placed more conveniently, the possibility of damage of the fixing device is reduced, and the carrying convenience of the leveling rod is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A leveling rod comprises a leveling rod (6), wherein scales are arranged on one side of the leveling rod (6), the leveling rod is characterized in that the leveling rod (6) is perpendicular to the extending direction of the leveling rod (6), a level (17) is arranged inside one end of the leveling rod (6), one side, far away from the scales, of the leveling rod (6) is rotatably connected with a fixing device, the fixing device comprises a fixing component (1), a plurality of supporting rods (2) and an adjusting component (3), one end of each supporting rod (2) is rotatably connected with the leveling rod (6) through the fixing component (1), the adjusting component (3) is fixedly connected with the supporting rods (2), the fixing component (1) comprises a fixing block (11) and a rotating block (12), one end of the fixing block (11) is fixedly connected with one side, far away from the scales, of the leveling rod (6), one end of the leveling rod (6) is kept away from the fixed block (11) and is rotatably connected with the rotating block (12), the supporting rod (2) comprises a supporting inner rod (21) and a supporting outer rod (22), the supporting outer rod (22) is sleeved on the supporting inner rod (21), the supporting inner rod (21) and the supporting outer rod (22) are mutually moved, one end of the supporting inner rod (21) is fixedly connected with the rotating block (12), the side surface of the supporting inner rod (21) is provided with an adjusting latch (4) along the extending direction of the supporting inner rod (21), the supporting outer rod (22) is provided with an adjusting latch moving groove (5) along the extending direction of the supporting outer rod (22), the supporting outer rod (22) is perpendicular to the extending direction of the supporting outer rod (22) and is fixedly connected with the adjusting assembly (3), the adjusting assembly (3) comprises an adjusting latch shaft (31) and an adjusting supporting plate (32), adjust latch axle (31) and pass through adjust backup pad (32) with support outer pole (22) fixed connection, adjust latch axle (31) perpendicular to adjust latch axle (31) extending direction and be provided with adjust latch (4), support in pole (21) with support outer pole (22) and pass through adjust latch axle (31) and adjust the removal.

2. A levelling rod according to claim 1 wherein the end of the outer support rod (22) remote from the fixed assembly (1) is provided with a deployment spring (7), the outer support rod (22) being fixedly attached to both ends of the deployment spring (7).

3. A leveling rod according to claim 1, wherein the end of the supporting outer rod (22) far away from the fixing component (1) is provided with a supporting rod shrinkage groove block (8), and one end of the supporting rod shrinkage groove block (8) is fixedly connected with the supporting outer rod (22).

4. A levelling rod according to claim 1 wherein the end of the outer support rod (22) remote from the fixed assembly (1) is provided with a support rod skid (9).

5. A levelling rod according to claim 1 wherein the end of the adjustment latch shaft (31) remote from the adjustment latch (4) is fixedly connected to a turning handle (10).

6. A levelling rod according to claim 5 wherein the stem (10) is provided with a roughened surface.

7. The leveling rod according to claim 1, wherein a fixing shaft hole (14) is formed in the supporting outer rod (22) perpendicular to the extending direction of the supporting outer rod (22), a fixing shaft (15) is arranged in the fixing shaft hole (14), threads are arranged on the fixing shaft (15) and the fixing shaft hole (14), the fixing shaft (15) is rotatably mounted on the supporting outer rod (22) through the fixing shaft hole (14), and the supporting inner rod (21) and the supporting outer rod (22) are fixed to each other through the fixing shaft (15).

8. The leveling rod according to claim 1, wherein the leveling rod (6) is provided with a fixing device groove (16) along the extending direction of the leveling rod (6), and the fixing device is embedded in the leveling rod (6) through the fixing device groove (16).