CN219606649U

CN219606649U - Tunnel and well lane surveying instrument support convenient to erect

Info

Publication number: CN219606649U
Application number: CN202320511033.7U
Authority: CN
Inventors: 赵书志; 孟俊俊; 李登朝; 李�浩; 邓薇
Original assignee: First Geological Brigade Of Hubei Geological Bureau
Current assignee: First Geological Brigade Of Hubei Geological Bureau
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-29
Anticipated expiration: 2033-03-14

Abstract

The utility model provides a tunnel and roadway surveying instrument support convenient to erect. Tunnel and well lane surveying instrument support convenient to erect includes: the surveying instrument main part, its characterized in that, the bottom surface swing joint of surveying instrument main part has triangle-shaped's bottom plate, the recess that the size is the same has all been seted up at three angles of bottom plate, recess inner wall surface fixedly connected with is horizontal axis of rotation, the surface rotation of axis of rotation is connected with hollow bracing piece, the position that the bracing piece is close to the bottom is provided with adjusting device, the bottom surface fixedly connected with stop device of support, the inside activity of bracing piece is provided with the extension rod, the surface of extension rod evenly sets up multiunit tooth, the bottom surface threaded connection of extension rod has a supporting angle. According to the utility model, the bottom plate, the support rod, the connecting rod, the support angle, the limiting device and the adjusting device are arranged, so that the support can be erected by adjusting the required length more labor-saving and accurately.

Description

Tunnel and well lane surveying instrument support convenient to erect

Technical Field

The utility model relates to the technical field of surveying instrument brackets, in particular to a tunnel and roadway surveying instrument bracket convenient to erect.

Background

The surveying instrument is an instrument for planning, designing, constructing and measuring various orientations, ranging, angle measuring, height measuring and other aspects required by measurement work in the engineering construction and management stage. It is often necessary to use a mapping tripod for supporting the measuring instrument during the measurement,

the surveying instrument support that currently generally uses adopts two connecting rods that set up side by side on the stabilizer blade, sets up mobilizable regulating plate between two connecting rods, and semi-annular recess is seted up to the regulating plate both sides, and two connecting rods set up respectively in the recess, and the regulating plate can reciprocate, and is provided with the adjusting bolt that is used for controlling the tensile length of regulating plate in the connecting rod position that is close to the bottom. This structure can realize the regulatory function of support well, but need open the stabilizer blade when the survey and drawing, level to the surveying instrument is made level, when adjusting on a large scale, need frequently remove elasticity adjusting bolt, remove to adjust the regulating plate, because it adopts the recess to slide, cause the regulating plate to rise or the range of decline to be too big easily when tensile, consequently need to adjust repeatedly, and regulating plate and connecting rod all adopt the wood to do, its weight is great, be unfavorable for open-air removal survey and drawing, the manual work pulling is not only comparatively extravagant physical power but also is difficult for the tensile length of accurate control.

Disclosure of Invention

The utility model provides a tunnel and roadway surveying instrument bracket convenient to erect, which aims to solve the technical problem of conveniently erecting by more accurately adjusting the length of the bracket.

The tunnel and roadway surveying instrument support convenient to erect provided by the utility model comprises: the surveying instrument main part the bottom surface swing joint of surveying instrument main part has triangle-shaped's bottom plate, the recess that the size is the same has all been seted up at the three angle of bottom plate, recess inner wall surface fixedly connected with is horizontal axis of rotation, the surface rotation of axis of rotation is connected with hollow bracing piece, the inside activity of bracing piece is provided with the extension pole, one side of extension pole evenly sets up multiunit meshing tooth, a set of through-hole has all been seted up on the surface of meshing tooth, the bottom surface threaded connection of extension pole has the supporting angle, the bracing piece is close to the position of bottom and extension pole handing-over and is provided with adjusting device, adjusting device's below fixedly connected with stop device, stop device is located the surface of bracing piece.

Preferably, the bottom surface of the bottom plate is fixedly connected with a central shaft, the surface of the central shaft is movably connected with a movable ring, the bottom surface of the central shaft is fixedly connected with a circular stop block, and the size of the circular stop block is larger than that of the movable ring.

Preferably, the surface of the movable ring is rotationally connected with three groups of connecting rods, and the other ends of the connecting rods are rotationally connected with the supporting rods.

Preferably, the adjusting device comprises a first bolt and a gear, wherein the first bolt penetrates into the support rod and is fixedly connected with the gear at the bottom, and the gear is meshed with teeth on the surface of the extension rod.

Preferably, the inner wall surface of the support rod is provided with a chute, the bottom of the extension rod is provided with a fixture block fixedly connected with the chute, and the fixture block is matched with the chute.

Preferably, the limiting device comprises a fixed block, a rotating rod, a limiting baffle and a second bolt, wherein the left side surface of the fixed block is fixedly connected to the surface of the supporting rod, the rotating rod is rotationally connected to the upper side and the lower side of the fixed block, the limiting baffle is fixedly connected to the right side of the rotating rod, and the second bolt is in threaded connection with the rightmost side of the limiting baffle.

Compared with the related art, the tunnel and roadway surveying instrument support convenient to erect has the following beneficial effects: through setting up bottom plate, bracing piece, the connecting rod, supporting angle, stop device and adjusting device, can rotate the bracing piece outside when needs use, connecting rod and removal ring reciprocate along with the removal of bracing piece, the position of survey and drawing support can be stabilized to the supporting angle of conical shape, when needs adjust the length of bracing piece, can drive gear rotation through the rotation bolt, the extension pole rotates along with the gear and reciprocates respectively, when needing fixed extension pole position, can rotate stop device downwards, the tooth inside on extension pole surface is gone into to the second bolt card to the removal of restriction extension pole, can be more laborsaving and the required length of accurate regulation erect the support through the gear.

Drawings

FIG. 1 is a schematic view of a construction of a preferred embodiment of a tunnel and roadway mapping instrument holder for easy erection according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the adjusting device of the present utility model;

FIG. 3 is a schematic plan view of an extension rod of the present utility model;

FIG. 4 is a schematic view of the gear of the present utility model;

FIG. 5 is a schematic view of the structure of the base plate of the present utility model;

fig. 6 is a schematic structural view of a limiting device according to the present utility model.

Reference numerals in the drawings: 1. a surveying instrument body; 2. a bottom plate; 3. a second bolt; 4. a moving ring; 5. a support rod; 6. an adjusting device; 7. a limit baffle; 8. an extension rod; 9. a chute; 10. a support angle; 11. a gear; 12. a rotating lever; 13. a central shaft; 14. a circular stop; 15. a connecting rod; 16. a first bolt; 17. a clamping block; 18. a groove; 19. a rotating shaft; 20. a limiting device; 21. a fixed block; 22. meshing teeth; 23. and a through hole.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a tunnel and roadway surveying instrument holder for easy erection according to the present utility model; FIG. 2 is a schematic view of the adjusting device shown in FIG. 1; FIG. 3 is a schematic plan view of the rack shown in FIG. 1; FIG. 4 is a schematic view of the gear shown in FIG. 1; FIG. 5 is a schematic view of the structure of the base plate shown in FIG. 1; fig. 6 is a schematic structural view of the limiting device shown in fig. 1.

In the specific implementation process, as shown in fig. 1, 2 and 5, the method includes: the surveying instrument main body 1, the bottom surface swing joint of surveying instrument main body 1 has triangle-shaped bottom plate 2, the recess 18 that the size is the same has all been seted up at the three angle of bottom plate 2, recess 18 inner wall surface fixedly connected with horizontal axis of rotation 19, axis of rotation 19's surface rotation is connected with hollow bracing piece 5, the inside activity of bracing piece 5 is provided with extension rod 8, one side of extension rod 8 evenly sets up multiunit meshing tooth 22, a set of through-hole 23 has all been seted up on the surface of meshing tooth 22, the bottom surface threaded connection of extension rod 8 has supporting angle 10, the position that bracing piece 5 is close to the bottom and the extension rod 8 handing-over is provided with adjusting device 6, adjusting device 6's below fixedly connected with stop device 20, stop device 20 is located the surface of bracing piece 5, a set of through-hole 23 has all been seted up on the surface of every meshing tooth 22 of group.

Referring to fig. 1, a central shaft 13 is fixedly connected to the bottom surface of the bottom plate 2, a movable ring 4 is movably connected to the surface of the central shaft 13, a circular stop block 14 is fixedly connected to the bottom surface of the central shaft 13, the size of the circular stop block 14 is larger than that of the movable ring 4, the movable ring 4 can move up and down on the surface of the central shaft 13, and the movable ring 4 can be effectively prevented from falling due to the fact that the size of the circular stop block 14 is larger than that of the movable ring 4.

Referring to fig. 1, three groups of connecting rods 15 are hinged to the surface of the moving ring 4, the other ends of the connecting rods 15 are rotatably connected with the positions, close to the bottom, of the supporting rods 5, the connecting rods 15 can be driven to move by rotating the supporting rods 5, and the connecting rods 15 can drive the moving ring 4 to move up and down.

Referring to fig. 1, 2, 3 and 4, the adjusting device 6 includes a first bolt 16 and a gear 11, the first bolt 16 extends into the support rod 5 and is fixedly connected with the gear 11 at the bottom, the gear 11 is meshed with teeth on the surface of the extension rod 8, the gear 11 is driven to rotate by rotating the first bolt 16, and the gear 11 drives the extension rod 8 to move upwards and downwards, so that the length is prolonged.

Referring to fig. 1 and 3, a sliding groove 9 is provided on the inner wall surface of the support rod 5, a fixture block 17 fixedly connected to the bottom of the extension rod 8 is provided, the fixture block 17 is matched with the sliding groove 9, the fixture block 17 is driven to move when the extension rod 8 moves up and down, and the movement of the extension rod 8 is limited by stopping the movement when the fixture block 17 contacts the tail end of the sliding groove 9.

Referring to fig. 1 and 6, the limiting device 20 includes a fixed block 21, a rotating rod 12, a limiting baffle 7 and a second bolt 3, the left side surface of the fixed block 21 is fixedly connected with the surface of the supporting rod 5, the upper and lower sides of the fixed block 21 are rotationally connected with the rotating rod 12, the right side of the rotating rod 12 is fixedly connected with the limiting baffle 7, the rightmost side of the limiting baffle 7 is in threaded connection with the second bolt 3, the size of the second bolt 3 is smaller than that of the through hole 23, when the movement of the extension rod 8 is required to be limited, the limiting baffle 7 can be rotated, the limiting baffle 7 drives the second bolt 3 to rotate towards the extension rod 8, and when the second bolt 3 is clamped into the inner through hole 23 of the meshing teeth 22 on the surface of the extension rod 8, the movement of the extension rod 8 can be effectively limited.

The working principle provided by the utility model is as follows: through outside rotatory bracing piece 5, bracing piece 5 drives connecting rod 15 and removes, and connecting rod 15 drives and removes ring 4 and reciprocate, and when the user needs increase length, through rotating first bolt 16, first bolt 16 drives gear 11 and rotates, and gear 11 drives extension rod 8 and upwards moves and move down to increase the extension length of bracing piece 5, adjust the horizontal position of support, when the fixed extension rod 8 position of needs, can rotate stop device 20 downwards, engage tooth 22 inside through-hole 23 on extension rod 8 surface with second bolt 3 card, thereby restrict the removal of extension rod 8.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A tunnel and roadway mapping instrument holder for ease of erection, comprising: the surveying instrument main part (1), its characterized in that, bottom surface swing joint of surveying instrument main part (1) has triangle-shaped bottom plate (2), recess (18) that the size is the same have all been seted up at three angles of bottom plate (2), recess (18) inner wall surface fixedly connected with horizontal axis of rotation (19), the surface rotation of axis of rotation (19) is connected with hollow bracing piece (5), the inside activity of bracing piece (5) is provided with extension rod (8), one side of extension rod (8) evenly sets up multiunit meshing tooth (22), a set of through-hole (23) have all been seted up on the surface of meshing tooth (22), the bottom surface threaded connection of extension rod (8) has supporting angle (10), the position that bracing piece (5) are close to bottom and extension rod (8) handing-over is provided with adjusting device (6), the below fixedly connected with stop device (20) of adjusting device (6), stop device (20) are located the surface of bracing piece (5).

2. The tunnel and roadway surveying instrument support convenient to erect according to claim 1, wherein a central shaft (13) is fixedly connected to the bottom surface of the bottom plate (2), a movable ring (4) is movably connected to the surface of the central shaft (13), a circular stop block (14) is fixedly connected to the bottom surface of the central shaft (13), and the size of the circular stop block (14) is larger than that of the movable ring (4).

3. The tunnel and roadway surveying instrument support convenient to erect according to claim 2, wherein three groups of connecting rods (15) are hinged to the surface of the movable ring (4), and the other ends of the connecting rods (15) are rotatably connected with the supporting rods (5) at positions close to the bottom.

4. The tunnel and roadway surveying instrument holder convenient to erect according to claim 1, wherein the adjusting device (6) comprises a first bolt (16) and a gear (11), the first bolt (16) penetrates into the support rod (5) and is fixedly connected with the gear (11) at the bottom, and the gear (11) is meshed with teeth on the surface of the extension rod (8).

5. The tunnel and roadway surveying instrument support convenient to erect according to claim 4, wherein a sliding groove (9) is formed in the inner wall surface of the supporting rod (5), a clamping block (17) which is fixedly connected is arranged at the bottom of the extension rod (8), and the clamping block (17) is matched with the sliding groove (9).

6. The tunnel and roadway surveying instrument support convenient to erect according to claim 1, wherein the limiting device (20) comprises a fixed block (21), a rotating rod (12), a limiting baffle (7) and a second bolt (3), the left side surface of the fixed block (21) is fixedly connected to the surface of the supporting rod (5), the rotating rod (12) is rotatably connected to the upper side and the lower side of the fixed block (21), the limiting baffle (7) is fixedly connected to the right side of the rotating rod (12), and the second bolt (3) is connected to the rightmost side thread of the limiting baffle (7).