CN211289293U

CN211289293U - Tripod for level

Info

Publication number: CN211289293U
Application number: CN201922057605.5U
Authority: CN
Inventors: 徐金; 徐时安; 马一挺
Original assignee: Ningbo Huaxin Building Material Testing Co ltd
Current assignee: Ningbo Huaxin Building Material Testing Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-18
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a tripod for surveyor's level, including the mount table that is used for fixed surveyor's level and circumference even interval hinge joint in a plurality of bracing pieces of terminal surface under the mount table to and the movable sleeve locates the slide bar of bracing piece, slide bar lower extreme and ground butt still include the locking piece of location slide bar sliding distance, locking piece one end is rotated and is connected with the setting element, locking piece rotates along with the setting element and is formed with locking, unblock two states, when being located the locking state, locking piece shrink, slide bar inner wall and bracing piece outer wall butt; when being located the unblock state, hold the piece relaxation tightly, the pole inner wall and the bracing piece outer wall butt of sliding. The utility model discloses have the effect that promotes tripod support stability.

Description

Tripod for level

Technical Field

The utility model relates to a surveyor's level strutting arrangement field, in particular to tripod for surveyor's level.

Background

Pile operation all can be carried out on the building site, at the in-process of pile, the angle that needs to judge the pile foundation through the measurement of surveyor's level whether inclines, and the surveyor's level is generally installed on the tripod, when installing the surveyor's level, needs carry out horizontal calibration to tripod and surveyor's level.

The patent document with the existing Chinese patent publication No. CN207740679U discloses a level tripod, which comprises a mounting disc for mounting a level, wherein a mounting block is mounted at the bottom of the mounting disc, and a first supporting leg, a second supporting leg and a third supporting leg are mounted at the edge position of the bottom of the mounting block through hinges.

However, the unable length of adjusting of first supporting leg, second supporting leg and the third supporting leg of setting in the above-mentioned scheme, when the reply has slope and unevenness's ground operating mode, the support stability of support frame is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tripod for level has the effect that promotes tripod support stability.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a tripod for a level comprises an installation platform for fixing the level, a plurality of support rods which are circumferentially hinged on the lower end face of the installation platform at uniform intervals, a sliding rod movably sleeved on the support rods, and a holding piece for positioning the sliding distance of the sliding rod, wherein the lower end of the sliding rod is abutted to the ground; when being located the unblock state, hold the piece diastole tightly, the pole inner wall that slides with bracing piece outer wall butt.

By adopting the technical scheme, the sliding rod is abutted against the ground to serve as a support, and the sliding rod is movably sleeved with the support rod, so that the ground clearance of the level is adjusted by adjusting the sliding distance of the sliding rod; the clasping piece can position the sliding distance of the sliding rod, when the clasping piece is in an unlocking state, the clasping piece is relaxed, the inner wall of the sliding rod is staggered with the outer wall of the supporting rod, and the sliding rod can slide along the length direction of the supporting rod, so that the overall height of the level is adjusted; when adjusting to required height, will hug closely the piece shrink through rotating the setting element, the pole upper end deformation shrink that slides, the pole inner wall and the bracing piece outer wall butt of sliding, and the frictional force between pole and the bracing piece will be greater than the gravity sum of surveyor's level, mount table and bracing piece of sliding, and the piece of embracing this moment is the lock-out state, can accomplish the adjustment of surveyor's level height. To sum up, when the reply has slope and unevenness's ground operating mode, adjust the support height who corresponds the bracing piece through the distance of sliding of each pole that slides of adjustment to promote tripod support stability.

The utility model discloses further set up to: the locking member is located for the cover the clamp on slide bar top, the setting element is threaded connection in clamp and makes the screw thread post of clamp deformation.

Through adopting above-mentioned technical scheme, the connection of clamp is simple reliable, only needs to revolve to twist the screw thread post and can make the clamp deformation, and then accomplishes the location of slide bar, convenient easy operation.

The utility model discloses further set up to: and a plurality of deformation grooves are formed in the upper end of the sliding rod at intervals along the circumferential direction of the sliding rod.

Through adopting above-mentioned technical scheme, the structural strength of slide bar upper end can be reduced in the deformation groove to when the clamp shrink, shrink deformation is changeed to slide bar upper end, increases the deformation degree of slide bar upper end, thereby promotes the stability of being connected of slide bar and bracing piece.

The utility model discloses further set up to: the upper end of the sliding rod is in threaded connection with a positioning seat, and the lower end of the hoop is abutted to the upper end of the positioning seat.

Through adopting above-mentioned technical scheme, the positioning seat can provide the support site for the clamp, even the clamp loosens, the clamp still is located the slide bar upper end to only need the elasticity of adjustment clamp can fix a position the distance of sliding of slide bar, make things convenient for the location slide bar.

The utility model discloses further set up to: the outer peripheral surface of the supporting rod is provided with a plurality of scale marks along the length direction.

By adopting the technical scheme, the scale marks can visually see the sliding distance of the sliding rod, so that the sliding distance of the sliding rod can be conveniently adjusted.

The utility model discloses further set up to: the scale mark bulges the outer peripheral surface of the support rod, and the inner wall of the upper end of the sliding rod is provided with an elastic convex ring.

By adopting the technical scheme, when the sliding rod slides along the supporting rod, the convex scale lines are abutted against the elastic convex ring and the elastic convex ring is deformed, so that a worker can better sense the sliding distance of the sliding rod in the moving process of the sliding rod and can better adjust the sliding distance of the sliding rod, and the calibration precision of the tripod is further improved; in addition, after the slide bar is positioned, the elastic convex ring is abutted to the convex scale marks, so that the positioning stability of the slide bar is improved.

The utility model discloses further set up to: the support rod is provided with a plurality of positioning holes at intervals along the length direction, the positioning holes are inserted with bolts, and the bolts are abutted to the upper end of the clamp.

By adopting the technical scheme, on one hand, the sliding rod can be used as a pre-positioning for sliding of the sliding rod, so that the subsequent sliding adjustment is convenient; on the other hand, the sliding distance of the sliding rod can be directly positioned according to the actual situation.

The utility model discloses further set up to: the lower end of the sliding rod is provided with an insertion block.

Through adopting above-mentioned technical scheme, the inserted block can insert in the softer ground to promote the support effect of pole that slides, reduce the spirit level and rock at the during operation, further promote the calibration accuracy of tripod.

The utility model discloses further set up to: the insert block is rotatably connected with the sliding rod through a bolt, one end of the bolt is in threaded connection with a compression nut, and the compression nut is abutted to one side of the sliding rod.

Through adopting above-mentioned technical scheme, the inserted block uses the bolt to rotate as the axle to compress tightly the pivoted position that the inserted block was fixed a position to the pole that slides through gland nut. Therefore, when the ground is soft, the insert block can be inserted into the ground; when ground is harder texture, can rotate the inserted block, make the pole lower extreme that slides and ground butt to reduce the damage of inserted block, promote the life of inserted block.

The utility model discloses further set up to: the lower end of the sliding rod is provided with a placement groove for the insertion block to be placed.

Through adopting above-mentioned technical scheme, the arrangement groove can provide arrangement site for the inserted block to conveniently accomodate the inserted block, and the inserted block can make the pole lower extreme that slides and ground butt after accomodating, thereby prevent that the point portion of inserted block from being destroyed.

To sum up, the utility model discloses a beneficial technological effect does:

1. the sliding rods abut against the ground to serve as supports, and the sliding rods are movably sleeved with the supporting rods, so that the supporting heights of the corresponding supporting rods are adjusted by adjusting the sliding distances of the sliding rods and positioning the sliding distances of the sliding rods through the clamps and the threaded columns when working conditions of the ground with gradient and unevenness are met, and the supporting stability of the tripod is improved;

2. the insert block rotates by taking the bolt as a shaft, and the support rod is pressed tightly by the compression nut to position the rotating position of the insert block. Therefore, when the ground is soft, the insert block can be inserted into the ground; when ground is harder texture, can rotate the inserted block, make the bottom and the ground butt of pole that slides to reduce the damage of inserted block, promote the life of inserted block.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the local structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the sliding rod, and the insertion block is accommodated in the accommodation groove.

In the figure: 1. a level gauge; 2. an installation table; 3. a support bar; 4. a slide bar; 5. clamping a hoop; 6. a threaded post; 7. a holding block; 8. a deformation groove; 9. positioning seats; 10. scale lines; 11. an elastic convex ring; 12. positioning holes; 13. a bolt; 14. inserting a block; 15. a bolt; 16. a compression nut; 17. a placing groove; 18. and connecting ropes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a tripod for surveyor's level, refers to figure 1, including the mount table 2 that is used for fixed surveyor's level 1 and circumference evenly spaced hinge joint in three spinal branch vaulting poles 3 of terminal surface under mount table 2, the pole 4 that slides of bracing piece 3 and the piece of hugging closely of the pole 4 distance of sliding of location are located to the movable sleeve, and 4 lower extremes of the pole that slides and ground butt.

Referring to fig. 2 and 3, one end of the clasping member is rotatably connected with a positioning member, the clasping member rotates along with the positioning member to form two states of locking and unlocking, when the clasping member is in the locking state, the clasping member contracts, and the inner wall of the sliding rod 4 is abutted to the outer wall of the support rod 3; when being located the unblock state, hold the piece relaxation tightly, 4 inner walls of slide bar and 3 outer wall butts of bracing piece. The clamp 5 on 4 tops of slide bar is located for the cover to the piece of embracing, and the setting element is threaded connection in clamp 5 and makes the screw thread post 6 of clamp 5 deformation, and is provided with the piece 7 that grips that conveniently revolves soon in the one end of screw thread post 6.

The peripheral face of bracing piece 3 is provided with a plurality of scale marks 10 along its length direction, and in this embodiment, the even interval of scale mark 10 sets up, can make the audio-visual distance of sliding of seeing out slide bar 4 of staff to the convenient distance of sliding of adjustment slide bar 4. The scale marks 10 protrude the outer peripheral surface of the support rod 3, the elastic convex ring 11 made of rubber is bonded on the inner wall glue at the upper end of the sliding rod 4, when the sliding rod 4 slides along the support rod 3, the protruded scale marks 10 are abutted against the elastic convex ring 11, and the elastic convex ring 11 is deformed, so that a worker can better sense the sliding distance of the sliding rod 4 in the moving process of the sliding rod 4, the worker can better adjust the sliding distance of the sliding rod 4, and the calibration precision of the tripod is further improved; in addition, after the slide bar 4 is positioned, the elastic convex ring 11 is abutted to the convex scale mark 10, so that the connection stability of the slide bar 4 and the support bar 3 is improved. It should be noted that the thickness of the elastic convex ring 11 does not affect the sliding of the sliding rod 4.

With continued reference to fig. 2 and 3, the support rod 3 is provided with a plurality of positioning holes 12 at intervals along the length direction thereof, the positioning holes 12 are inserted with bolts 13, the bolts 13 are abutted against the upper ends of the hoops 5, the sliding rod 4 can be pre-fixed at a sliding position by the cooperation of the bolts 13 and the positioning holes 12, on one hand, the sliding rod 4 can be pre-positioned, on the other hand, the sliding rod 4 can also be coarsely adjusted, and therefore another mode for positioning the sliding rod 4 can be provided, and a worker can flexibly select the mode. One end of the bolt 13 is connected with a soft connecting rope 18, and the other end of the connecting rope 18 is connected with the positioning seat 9, so that when the bolt 13 is not used for positioning, the bolt 13 can be connected with the positioning seat 9, and the bolt 13 is prevented from being lost.

Referring to fig. 3 and 4, 4 upper ends of the sliding rods are provided with a plurality of deformation grooves 8 at intervals along the circumferential direction, so that the structural strength of the upper ends of the sliding rods 4 is reduced, the upper ends of the sliding rods 4 are more easily contracted and deformed when the clamps 5 are contracted, the deformation degree of the upper ends of the sliding rods 4 is increased, and the connection stability of the sliding rods 4 and the supporting rods 3 is improved. The upper end threaded connection of slide bar 4 has positioning

seat

9, and 5 lower extremes of clamp and the 9 upper ends butt of positioning seat, and positioning seat 9 can provide the support point for clamp 5, makes the position that clamp 5 established at slide bar 4 cover more stable.

Referring to fig. 4, the lower end of the slide rod 4 is rotatably connected with an insert block 14 through a bolt 15, and the insert block 14 is tapered, so that the insert block can be conveniently inserted into a soft ground. One end of the bolt 15 is in threaded connection with a compression nut 16, the compression nut 16 is abutted against one side of the sliding rod 4, the insert block 14 rotates by taking the bolt 15 as an axis, and the sliding rod 4 is compressed by the compression nut 16 to position the rotating position of the insert block 14, so that the insert block 14 can be inserted into the ground when the ground is soft; when the ground is hard texture, can rotate inserted block 14, make the lower extreme of slide bar 4 and ground butt to reduce the damage of inserted block 14, promote the life of inserted block 14. The lower end of the sliding rod 4 is provided with a placing groove 17 for the insertion block 14 to be placed, and the insertion block 14 is convenient to store.

The implementation principle of the embodiment is as follows: at the beginning, the hoop 5 is relaxed, and the sliding rod 4 can slide along the supporting rod 3; the sliding distance of the sliding rod 4 is adjusted, and in the adjusting process, the bolt 13 can be inserted into the positioning hole 12 and is abutted against the upper end of the hoop 5 to be used as coarse adjustment; further adjustment slide bar 4's distance of sliding, through swivel bolt 15, contract clamp 5 and make slide bar 4 deformation and hold bracing piece 3 tightly to the distance of sliding of location slide bar 4.

According to the situation of the ground, when the ground is soft, the insert block 14 can be rotated out of the placing groove 17, the insert block 14 is positioned through the compression nut 16, and then the insert block 14 is inserted into the soft ground; when the ground is hard texture, can rotate the inserted block 14 and accomodate to the arrangement groove 17 in to through gland nut 16 location inserted block 14, make the lower extreme of slide bar 4 and ground butt.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tripod for surveyor's level, articulates in a plurality of bracing pieces (3) of terminal surface under mount table (2) including mount table (2) and the even interval of circumference that are used for fixed surveyor's level (1), bracing piece (3) activity cover is equipped with slide bar (4), just slide bar (4) lower extreme and ground butt, its characterized in that: the clamping device is characterized by further comprising a clamping piece for positioning the sliding distance of the sliding rod (4), one end of the clamping piece is rotatably connected with a positioning piece, the clamping piece rotates along with the positioning piece to form a locking state and an unlocking state, when the clamping piece is positioned in the locking state, the clamping piece contracts, and the inner wall of the sliding rod (4) is abutted to the outer wall of the supporting rod (3); when being located the unblock state, hold the piece diastole tightly, slide pole (4) inner wall with bracing piece (3) outer wall butt.

2. A tripod for a level according to claim 1, wherein: the holding member is located for the cover clamp (5) on slide bar (4) top, the setting element is threaded connection in clamp (5) and makes the screw thread post (6) of clamp (5) deformation.

3. A tripod for a level according to claim 2, wherein: and a plurality of deformation grooves (8) are formed in the upper end of the sliding rod (4) at intervals along the circumferential direction of the sliding rod.

4. A tripod for a level according to claim 3, wherein: the upper end of the sliding rod (4) is in threaded connection with a positioning seat (9), and the lower end of the hoop (5) is abutted to the upper end of the positioning seat (9).

5. A tripod for a level according to claim 4, wherein: the outer peripheral surface of the support rod (3) is provided with a plurality of scale marks (10) along the length direction.

6. A tripod for a level according to claim 5, wherein: the scale mark (10) protrudes out of the outer peripheral surface of the support rod (3), and an elastic convex ring (11) is arranged on the inner wall of the upper end of the sliding rod (4).

7. A tripod for a level according to claim 6, wherein: the support rod (3) is provided with a plurality of positioning holes (12) at intervals along the length direction, the positioning holes (12) are inserted with bolts (13), and the bolts (13) are abutted to the upper end of the hoop (5).

8. A tripod for a level according to claim 1 or 7, wherein: the lower end of the sliding rod (4) is provided with an insert block (14).

9. A tripod for a level according to claim 8, wherein: the insert block (14) is rotatably connected with the sliding rod (4) through a bolt (15), one end of the bolt (15) is in threaded connection with a compression nut (16), and the compression nut (16) is abutted to one side of the sliding rod (4).

10. A tripod for a level according to claim 9, wherein: the lower end of the sliding rod (4) is provided with a placement groove (17) for the insertion block (14) to be placed.