CN215674582U

CN215674582U - Level gauge support

Info

Publication number: CN215674582U
Application number: CN202121387603.3U
Authority: CN
Inventors: 冯宁; 宁海琴
Original assignee: Xunsei Tianjin Surveying And Mapping Technology Co ltd
Current assignee: Xunsei Tianjin Surveying And Mapping Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-28
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of a leveling instrument support, in particular to a leveling instrument support, which solves the problems that in the prior art, a leveling instrument can only be arranged at the top of the axis position of a triangular support, and a surveyor needs to be close to the space between two adjacent supporting legs during measurement, so that the ground near the supporting legs collapses, and the measurement efficiency and the measurement accuracy of the leveling instrument are influenced. The utility model provides a surveyor's level support, includes the erection column, the erection column is used for being connected with surveyor's level bottom screw thread closure. According to the utility model, the mounting column is arranged at the end part of the movable platform, and the movable platform can move towards the mounting column so as to enable the mounting column to be positioned at the outer side of the top plate; the movable platform also rotates around the fixed block so as to change the circumferential position of the mounting column; thereby realize the skew control of level gauge position, can improve the distance between level gauge and the surveyor greatly, avoid the surveyor to cause the influence of collapsing to the peripheral soil of support, further improve the stability of level gauge measurement and the efficiency of level gauge measurement.

Description

Level gauge support

Technical Field

The utility model relates to the technical field of a level bracket, in particular to a level bracket.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The measuring instrument is a measuring instrument which needs to be used when building engineering personnel carry out site leveling work. Therefore, the working environment of the level has most of the height difference, the ground is not flat, and a surveyor uses a triangular bracket to support on the ground and then installs the level on the triangular bracket.

The bottom of the existing triangular support is of a conical structure, the level belongs to a precision instrument, the weight of the level is greater than that of the triangular support, the measurement ground is softer, the level is fixed at the top of the axis position of the triangular support, three support legs of the triangular support are outwards propped open, in the measurement process of a surveyor, a measurement point needs to be observed close to the level, the level needs to go between two adjacent support legs, the ground near the support legs is likely to collapse and deform, the measured data is inaccurate, if the collapse is serious, the level needs to be leveled again, the secondary measurement is carried out, and the measurement efficiency and the measurement accuracy of the level are greatly influenced;

therefore, a support structure for a level gauge is provided to adjust the mounting position of the level gauge on the support, so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leveling instrument support, which solves the problems that in the prior art, a leveling instrument can only be arranged at the top of the axis position of a triangular support, and a surveyor needs to be close to the space between two adjacent supporting legs during measurement, so that the ground near the supporting legs collapses, and the measurement efficiency and the measurement accuracy of the leveling instrument are influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a surveyor's level support, includes the erection column, the erection column is used for closing soon with surveyor's level bottom screw thread and is connected, still includes the roof, a plurality of locating hole has been seted up to the up end of roof, the up end axle center position department fixed mounting of roof has the fixed block that vertical section is T shape structure, the top of roof is provided with bar structure's movable platform, the one end at the movable platform top is installed to the erection column, the lower terminal surface of movable platform is seted up and is erected the spacing spout that vertical section is T shape structure, the fixed block slides in spacing spout, the last screw hole that runs through to spacing spout of seting up of movable platform corresponds it is fixed to close soon through the bolt between screw hole and the locating hole, movable platform's length is greater than the radius of roof, the length of spacing spout is greater than the radius of roof.

Preferably, still include end ring and apical ring, end ring and apical ring are with the axle center, and the different loop configuration of external diameter, install three groups between apical ring and the roof and cut the fork subassembly, install three groups between end ring and the apical ring and cut the fork subassembly, the limit of end ring week is annular array and installs a plurality of earthing rod.

Preferably, the outer wall of grounding rod is provided with the screw thread circle, the screw thread closes soon between grounding rod and the bottom ring and is connected, a plurality of toper structures grab ground tooth is installed to the bottom of grounding rod.

Preferably, three groups of scissors assemblies above and three groups of scissors assemblies below are provided with triangular plates, and the triangular plates are provided with limiting telescopic rods therebetween to limit the height between the triangular plates.

Preferably, the limiting telescopic rod comprises a sleeve and a sliding pipe which is embedded in the sleeve in a sliding mode, the outer thread of the sliding pipe is connected with a locking sleeve in a screwing mode, and the inner diameter of the other end of the locking sleeve is in threaded fit with the outer wall of the sleeve.

Preferably, the lower terminal surface of roof, the up end of end ring, the up end of top ring and the lower terminal surface of top ring all set up the spacing slide rail that the fork subassembly was cut in the cooperation, it includes first connecting rod and second connecting rod to cut the fork subassembly, the slider with the spacing slide rail sliding connection who corresponds is all installed at the both ends of first connecting rod and the both ends of second connecting rod, install the center pin between the axle center position of first connecting rod and second connecting rod to inject first connecting rod and second connecting rod and be the rotation of X-shaped, and the one end of every layer of three center pin all with the set-square fixed connection that corresponds.

The utility model has at least the following beneficial effects:

1. the mounting column is arranged at the end part of the movable platform, and the movable platform can move towards the mounting column so that the mounting column is positioned at the outer side of the top plate; the movable platform also rotates around the fixed block so as to change the circumferential position of the mounting column; thereby realized a surveyor's level position adjustable supporting structure to realize the skew control of surveyor's level position, can improve the distance between surveyor's level and the surveyor greatly, avoid the surveyor to cause the influence of collapsing to the peripheral soil of support, further improve surveyor's level measuring stability and surveyor's level measuring efficiency.

2. The arrangement of the plurality of grounding rods enables the contact range of the support and the ground to be wider; the resistance of the ground grabbing teeth sinking into the ground is increased through the arrangement of the plurality of ground grabbing teeth at the bottom of each ground rod; the outer diameter of the bottom ring is larger than that of the top ring, so that the center of gravity of the bracket is reduced, and the stability of the bracket is higher; thereby realizing the support structure with collapse prevention and high stability; through adjusting a spacing telescopic link, can realize about six groups cut spacing when the state of fork subassembly, realize the disposable altitude mixture control of support, improve the convenience of spirit level support altitude mixture control, improve the usability of support.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic front view of a stent;

FIG. 2 is a bottom schematic view of the top ring;

FIG. 3 is a schematic top view of the top plate;

fig. 4 is a schematic view of the internal structure of the limiting telescopic rod.

In the figure: 1. a bottom ring; 2. a ground rod; 3. a ground gripping tooth; 4. a limiting slide rail; 5. a scissor assembly; 501. a central shaft; 502. a first link; 503. a second link; 504. a slider; 6. a top ring; 7. a top plate; 8. a fixed block; 9. a movable platform; 10. a limiting chute; 11. a threaded hole; 12. mounting a column; 13. positioning holes; 14. a set square; 15. limiting the telescopic rod; 1501. a sleeve; 1502. a slide pipe; 1503. and a locking sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example one

Referring to fig. 1-4, a level bracket comprises a mounting post 12, the mounting post 12 is used for being screwed with the bottom of the level, the level bracket further comprises a top plate 7, the upper end surface of the top plate 7 is provided with a plurality of positioning holes 13, the upper end surface of the top plate 7 is fixedly provided with a fixed block 8 with a T-shaped vertical section, a movable platform 9 with a bar structure is arranged above the top plate 7, the mounting post 12 is arranged at one end of the top of the movable platform 9, the lower end surface of the movable platform 9 is provided with a limiting chute 10 with a T-shaped vertical section, the fixed block 8 slides in the limiting chute 10, the movable platform 9 is provided with a plurality of threaded holes 11 which penetrate through to the limiting chute 10, the corresponding threaded hole 11 and the corresponding positioning hole 13 are screwed and fixed through a bolt, the length of the movable platform 9 is greater than the radius of the top plate 7, and the length of the limiting sliding groove 10 is greater than the radius of the top plate 7;

in the embodiment, the mounting column 12 is arranged at the end part of the movable platform 9, and when the axial lead of the movable platform 9 is opposite to the axial lead of the top plate 7, the mounting column 12 is equivalently positioned at the eccentric position of the top plate 7; the movable platform 9 can move towards the mounting post 12 again, so that the mounting post 12 is positioned on the outer side of the top plate 7; the movable platform 9 also rotates around the fixed block 8 to change the circumferential position of the mounting column 12; after the position of the mounting column 12 is determined, a user can fasten and fix the threaded hole 11 and the corresponding positioning hole 13 through at least two bolts; thereby realized a surveyor's level position adjustable supporting structure to realize the skew control of surveyor's level position, can improve the distance between surveyor's level and the surveyor greatly, avoid the surveyor to cause the influence of collapsing to the peripheral soil of support, further improve surveyor's level measuring stability and surveyor's level measuring efficiency.

Example two

Referring to fig. 1-4, the grounding device further comprises a bottom ring 1 and a top ring 6, wherein the bottom ring 1 and the top ring 6 are coaxial and have annular structures with different outer diameters, and a plurality of grounding rods 2 are arranged on the periphery of the bottom ring 1 in an annular array; the outer wall of the grounding rod 2 is provided with a threaded ring, the grounding rod 2 is in threaded screwing connection with the bottom ring 1, and the bottom end of the grounding rod 2 is provided with a plurality of ground grabbing teeth 3 with a conical structure;

in the embodiment, the arrangement of the plurality of grounding rods 2 enables the contact range of the support and the ground to be wider; the resistance of the ground grabbing teeth 3 sinking downwards into the ground is increased through the arrangement of the plurality of ground grabbing teeth 3 at the bottom of each ground rod 2; as can be seen from fig. 1, the outer diameter of the bottom ring 1 is larger than that of the top ring 6, so that the center of gravity of the stent is lowered, and the stability of the stent is higher; thereby realized a prevent support structure that sinks, stability is high.

EXAMPLE III

Referring to fig. 1-4, three sets of scissor assemblies 5 are installed between a top ring 6 and a top plate 7, three sets of scissor assemblies 5 are installed between a bottom ring 1 and the top ring 6, triangular plates 14 are installed between the three sets of scissor assemblies 5 located above and between the three sets of scissor assemblies 5 located below, a limiting telescopic rod 15 is installed between the upper triangular plate 14 and the lower triangular plate 14 to limit the height between the upper triangular plate 14 and the lower triangular plate 14, the limiting telescopic rod 15 comprises a sleeve 1501 and a sliding pipe 1502 slidably embedded in the sleeve 1501, a locking sleeve 1503 is connected to the external thread of the sliding pipe 1502 in a screwing mode, and the inner diameter of the other end of the locking sleeve 1503 is in threaded fit with the outer wall of the sleeve 1501; the lower end face of the top plate 7, the upper end face of the bottom ring 1, the upper end face of the top ring 6 and the lower end face of the top ring 6 are all provided with a limiting slide rail 4 matched with the scissor assembly 5, the scissor assembly 5 comprises a first connecting rod 502 and a second connecting rod 503, two ends of the first connecting rod 502 and two ends of the second connecting rod 503 are both provided with a slide block 504 in sliding connection with the corresponding limiting slide rail 4, a central shaft 501 is arranged between the axle center positions of the first connecting rod 502 and the second connecting rod 503 to limit the first connecting rod 502 and the second connecting rod 503 to rotate in an X shape, and one end of each layer of three central shafts 501 is fixedly connected with the corresponding triangular plate 14;

in the embodiment, as shown in the state of fig. 1, the entire bracket is in a folded state, and the height of the bracket is adjusted by using the triangular stability of the scissors assembly 5 and the change of the angle of the scissors assembly 5; three scissor assemblies 5 shown in fig. 2 are arranged on each layer, so that the overall structure of the bracket is firmer and more stable; through the setting of two set squares 14 and spacing telescopic link 15, locking spacing telescopic link 15, it is spacing when the state of fork subassembly 5 is cut to six groups about can realizing, improved the convenience of spirit level support altitude mixture control, improved the usability of support.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The level bracket comprises a mounting column (12), the mounting column (12) is used for being screwed with the bottom of the level, and is characterized by further comprising a top plate (7), a plurality of positioning holes (13) are formed in the upper end face of the top plate (7), a fixed block (8) with a T-shaped vertical section is fixedly mounted at the position of the axis of the upper end face of the top plate (7), a movable platform (9) with a bar-shaped structure is arranged above the top plate (7), the mounting column (12) is mounted at one end of the top of the movable platform (9), a limiting sliding chute (10) with a T-shaped vertical section is formed in the lower end face of the movable platform (9), the fixed block (8) slides in the limiting sliding chute (10), a plurality of threaded holes (11) penetrating through the limiting sliding chute (10) are formed in the movable platform (9), and the threaded holes (11) and the positioning holes (13) are correspondingly screwed and fixed through bolts, the length of the movable platform (9) is greater than the radius of the top plate (7), and the length of the limiting sliding groove (10) is greater than the radius of the top plate (7).

2. The level bracket according to claim 1, further comprising a bottom ring (1) and a top ring (6), wherein the bottom ring (1) and the top ring (6) are of a coaxial ring structure with different outer diameters, three sets of scissor assemblies (5) are installed between the top ring (6) and the top plate (7), three sets of scissor assemblies (5) are installed between the bottom ring (1) and the top ring (6), and a plurality of grounding rods (2) are installed around the bottom ring (1) in an annular array.

3. A level support according to claim 2, characterised in that the outer wall of the grounding rod (2) is provided with a threaded ring, the grounding rod (2) is in threaded engagement with the bottom ring (1), and the bottom end of the grounding rod (2) is provided with a plurality of ground gripping teeth (3) with a conical structure.

4. A spirit level stand according to claim 1, characterised in that triangular plates (14) are mounted between the upper three sets of scissor assemblies (5) and between the lower three sets of scissor assemblies (5), and a spacing telescopic rod (15) is mounted between the upper and lower triangular plates (14) to define the height between the upper and lower triangular plates (14).

5. A level support according to claim 4, characterised in that the position limiting telescopic rod (15) comprises a sleeve (1501) and a sliding tube (1502) which is slidably embedded in the sleeve (1501), the sliding tube (1502) is connected with a locking sleeve (1503) in a screwing way through external threads, and the inner diameter of the other end of the locking sleeve (1503) is in threaded fit with the outer wall of the sleeve (1501).

6. The level bracket according to claim 1, wherein the lower end surface of the top plate (7), the upper end surface of the bottom ring (1), the upper end surface of the top ring (6) and the lower end surface of the top ring (6) are respectively provided with a limit slide rail (4) matched with the scissor assembly (5), the scissor assembly (5) comprises a first connecting rod (502) and a second connecting rod (503), two ends of the first connecting rod (502) and two ends of the second connecting rod (503) are respectively provided with a slide block (504) in sliding connection with the corresponding limit slide rail (4), a central shaft (501) is arranged between the axial center positions of the first connecting rod (502) and the second connecting rod (503) so as to limit the first connecting rod (502) and the second connecting rod (503) to rotate in an X shape, and one end of each layer of the three central shafts (501) is fixedly connected with the corresponding triangular plate (14).