CN217930305U - High-precision level tripod - Google Patents

Abstract

The utility model provides a high accuracy surveyor's level tripod, including the backup pad, backup pad lower extreme middle part fixedly connected with rotary drum, the rotary drum rotates and is connected with the threaded rod, and threaded rod threaded connection has a screw thread section of thick bamboo, and screw thread section of thick bamboo fixedly connected with is spacing, and spacing is connected with three branch, and the branch inner wall is equipped with the spacing groove, backup pad lower extreme circumference evenly is equipped with a plurality of pivot boards, and the pivot board rotates respectively and is connected with the support corresponding with the spacing groove, the inside angle modulation structure that is equipped with in backup pad upper end, angle modulation structure including the worm wheel, the coaxial rigid coupling of worm wheel have with the backup pad inner wall rotate the carousel of shelving of being connected, the effectual unable height-adjusting of surveyor's level tripod and because the fixed structure takes up the problem in space among the prior art of having solved.

Description

High-precision level tripod

Technical Field

The utility model relates to a building check out test set technical field specifically is a high accuracy surveyor's level tripod.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The principle is to measure the height difference between ground points according to the leveling principle. The main components are hopeful to be a telescope, a tube level (or compensator), a vertical shaft, a base and a foot screw. The device is divided into a micro-inclination level, an automatic leveling level, a laser level and a digital level according to the structure. The precision level is divided into a precision level and a common level according to the precision.

The surveyor's level need use the tripod to fix the back when measuring and carry out measurement again, but the measurement height of surveyor's level can't be adjusted according to actual need to current surveyor's level tripod, because the support adopts fixed mode to connect mostly moreover, leads to the tripod not time spent, can't retract, can occupy a large amount of spaces.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide an effectual unable height-adjusting of level tripod among the prior art and because the fixed problem that occupies space of structure among the solution of a high accuracy level tripod.

In order to solve the above problems, the utility model adopts the following technical scheme:

the utility model provides a high accuracy surveyor's level tripod, including the backup pad, backup pad lower extreme middle part fixedly connected with rotary drum, the rotary drum rotates and is connected with the threaded rod, and threaded rod threaded connection has a screw thread section of thick bamboo, and screw thread section of thick bamboo fixedly connected with is spacing, and spacing is connected with three branch, and the branch inner wall is equipped with the spacing groove, backup pad lower extreme circumference evenly is equipped with a plurality of pivot boards, and the pivot board rotates respectively to be connected with the support corresponding with the spacing groove, the inside angle modulation structure that is equipped with in backup pad upper end, angle modulation structure including the worm wheel, the coaxial rigid coupling of worm wheel have with the backup pad inner wall rotate the carousel of shelving of being connected.

Furthermore, the angle adjusting structure also comprises a second handle, the second handle is fixedly connected with a worm which is rotatably connected with the inner wall of the supporting plate, and the worm is meshed with the worm wheel.

Furthermore, the lower end of each bracket is provided with a pointed end.

Furthermore, the inner diameter of the limiting groove is the same as the diameter of the support, and the support can slide along the inner wall of the limiting groove.

Furthermore, the lower end of the threaded rod is fixedly connected with a first handle, and the height of the first handle from the ground is far smaller than the length of the support.

The utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, compares with prior art and has following advantage:

1. the utility model adjusts the vertical height of the supporting plate and further changes the height of the leveling instrument during measurement by adjusting the height of the limiting frame and further changing the unfolding included angle between the bracket and the supporting plate and controlling the unfolding angle of the bracket,

2. the in-process that the support expanded and retracted can slide with the spacing groove that corresponds on the spacing frame, through mentioning the tripod, the support can slide along the spacing groove inboard because of the reason of gravity, realizes retracting of support, and the realization tripod that can be simple and convenient contracts to can not occupy the usage space in place.

3. Through setting up angle regulation structure, shelve the carousel circumferential direction through control, and then carry out effectual regulation to the measurement position of setting up the spirit level on shelving the carousel, simple structure effectively improves the efficiency of work.

Drawings

Fig. 1 is a bracket contraction view of a high precision level tripod according to the present invention;

fig. 2 is an expanded view of a stand of a high precision level tripod according to the present invention;

fig. 3 is a schematic structural view of a limit bracket of the high-precision level tripod of the present invention;

FIG. 4 is a schematic view of a stand and support plate of a high precision level tripod according to the present invention;

fig. 5 is a schematic structural view of an angle adjustment structure of a high-precision level tripod according to the present invention;

reference numbers in the figures: 1. a support plate; 2. a placing turntable; 3. a limiting frame; 4. a support; 5. a tip; 6. a limiting groove; 7. a rotating drum; 8. a threaded rod; 9. a first handle; 10. a threaded barrel; 11. a worm; 12. a worm gear; 13. a second handle.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

The utility model provides a high accuracy surveyor's level tripod, as shown in fig. 1-5, including backup pad 1, 1 lower extreme middle part fixedly connected with rotary drum 7 of backup pad, rotary drum 7 rotates and is connected with threaded rod 8, and threaded rod 8 threaded connection has a screw thread section of thick bamboo 10, and screw thread section of thick bamboo 10 fixedly connected with spacing 3, spacing 3 is connected with three branch, and the branch inner wall is equipped with spacing groove 6, 1 lower extreme circumference of backup pad evenly is equipped with a plurality of pivot boards, and the pivot board rotates respectively to be connected with the support 4 corresponding with spacing groove 6, the inside angle modulation structure that is equipped with in 1 upper end of backup pad, angle modulation structure are including worm wheel 12, and the coaxial rigid coupling of worm wheel 12 has and shelves carousel 2 of being connected with 1 inner wall rotation of backup pad.

The utility model discloses when using, remove the tripod to suitable position, rotate threaded rod 8 according to the use needs, threaded rod 8 realizes reciprocating of spacing frame 3 through threaded cylinder 10, and the in-process that spacing frame 3 removed, spacing groove 6 and support 4 cooperate and play spacing effect to spacing frame 3's removal, guarantee that spacing frame 3 can vertically reciprocate, adjust spacing frame 3 to suitable position, rotate three support 4 in the spacing groove 6 respectively, support 4 upper end rotates to the outside along the pivot board in backup pad 1, realize the expansion of support 4, support 4 slides to the outermost end of spacing groove 6 along spacing groove 6, the side inner wall of spacing groove 6 can play spacing effect that blocks to support 4, guarantee the stability after support 4 expandes, install the surveyor's level in backup pad 1, when adjusting the measurement position of surveyor's level according to actual need, through rotating worm wheel 12, worm wheel 12 pivoted in-process drives and shelve carousel 2 and rotates along backup pad 1 inner wall, and then adjust the measurement position of surveyor's level on carousel 2, utilize the surveyor's level to accomplish the survey the back work, the direct shrink of tripod can not take up along the effective cause of shelving, and can not place the tripod and retract the tripod on the efficiency, the tripod.

As shown in fig. 5, the angle adjusting structure further comprises a second handle 13, the second handle 13 is fixedly connected with a worm 11 rotatably connected with the inner wall of the supporting plate 1, and the worm 11 is meshed with the worm wheel 12.

Preferably, when the measuring position of the level is adjusted according to actual needs, the second handle 13 is rotated, the second handle 13 drives the worm 11 to rotate, the worm 11 drives the worm wheel 12 to rotate, and the worm wheel 12 is coaxially and fixedly connected with the placing rotary disc 2, so that the measuring position of the level can be adjusted by rotating the placing rotary disc 2.

As shown in fig. 1 and 2, the lower ends of the brackets 4 are provided with pointed ends 5.

Preferably, the prongs 5 increase the friction of the stand 4 against the ground, preventing the tripod from tipping over and damaging the level due to external forces.

As shown in fig. 2 and 3, the inner diameter of the limiting groove 6 is the same as the diameter of the bracket 4, and the bracket 4 can slide along the inner wall of the limiting groove 6.

Preferably, the support 4 retracts and deploys during the process that the support 4 slides along the inner side and the outer side of the limiting groove 6, and the inner diameter of the limiting groove 6 is the same as the diameter of the support 4, so that the stability of the support 4 during the sliding process is ensured.

As shown in fig. 1, a first handle 9 is fixedly connected to the lower end of the threaded rod 8, and the height of the first handle 9 from the ground is far less than the length of the bracket 4.

Preferably, the first handle 9 is rotated to facilitate the rotation of the threaded rod 8, and the height of the first handle 9 from the ground is far less than the length of the bracket 4, so that the length of the threaded rod 8 can be effectively prevented from influencing the expansion amplitude of the bracket 4, namely, the height adjustment of the level gauge.

The utility model discloses a working process does: when the utility model is used, the tripod is moved to a proper position, the first handle 9 is rotated according to the use requirement, the first handle 9 drives the threaded rod 8 to rotate, the up-and-down movement of the limiting frame 3 is realized through the threaded barrel 10 in the rotating process of the threaded rod 8, in the moving process of the limiting frame 3, the limiting groove 6 and the bracket 4 are matched to play a limiting role in the movement of the limiting frame 3, the limiting frame 3 is ensured to vertically move up and down, the limiting frame 3 is adjusted to a proper position, the three brackets 4 in the limiting groove 6 are respectively rotated, the upper end of the bracket 4 rotates outwards along the rotating shaft plate on the supporting plate 1, the expansion of the bracket 4 is realized, the bracket 4 slides to the outermost end of the limiting groove 6 along the limiting groove 6, the inner wall of the outermost end of the limiting groove 6 can play a limiting and blocking role for the bracket 4, guarantee the stability after support 4 expandes, install the spirit level on shelving carousel 2 in backup pad 1, when adjusting the measurement position of spirit level according to actual need, rotate second handle 13, second handle 13 drives worm 11 and rotates, worm 11 drives worm wheel 12 and rotates, because worm wheel 12 with shelve 2 coaxial fixed connection of carousel, therefore, the accessible rotates and shelve carousel 2 and adjust the measurement position of spirit level, utilize the spirit level to measure the work, after the measurement is accomplished, directly mention the tripod, support 4 can rotate to the inboard along the pivot board in backup pad 1 because of the reason of gravity, realize the retraction of tripod, conveniently place, can not occupy the space, and it is convenient to contract, effectively improve work efficiency.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Claims (5)

1. The utility model provides a high accuracy surveyor's level tripod which characterized in that: including backup pad (1), backup pad (1) lower extreme middle part fixedly connected with rotary drum (7), rotary drum (7) are rotated and are connected with threaded rod (8), and threaded rod (8) threaded connection has a screw thread section of thick bamboo (10), and screw thread section of thick bamboo (10) fixedly connected with is spacing (3), and spacing (3) are connected with three branch, and the branch inner wall is equipped with spacing groove (6), backup pad (1) lower extreme circumference evenly is equipped with a plurality of pivot boards, and the pivot board rotates respectively to be connected with spacing groove (6) corresponding support (4), backup pad (1) upper end inner wall is equipped with the angle modulation structure, and the angle modulation structure is including worm wheel (12), and the coaxial rigid coupling of worm wheel (12) has and shelves carousel (2) of being connected with backup pad (1) internal rotation.

2. A high precision level tripod according to claim 1, wherein: the angle adjusting structure further comprises a second handle (13), the second handle (13) is fixedly connected with a worm (11) which is rotatably connected with the inner wall of the supporting plate (1), and the worm (11) is meshed with the worm wheel (12).

3. A high precision level tripod according to claim 1, wherein: the lower end of the bracket (4) is provided with a pointed end (5).

4. A high precision level tripod according to claim 1, wherein: the inner diameter of the limiting groove (6) is the same as the diameter of the support (4), and the support (4) can slide along the inner wall of the limiting groove (6).

5. A high precision level tripod according to claim 1, wherein: the lower extreme fixedly connected with first handle (9) of threaded rod (8), first handle (9) are far less than the length of support (4) apart from the height on ground.

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