CN212408055U

CN212408055U - Engineering survey and drawing fixed bolster

Info

Publication number: CN212408055U
Application number: CN202020801021.4U
Authority: CN
Inventors: 邱大鹏; 刘彩花
Original assignee: Changping Engineering Co ltd
Current assignee: Changping Engineering Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-26
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses an engineering survey and drawing fixed bolster, including the casing, casing lower limb department is equipped with 3 branches, and the casing lower extreme is equipped with first fastener, is equipped with the inner shell in the casing, and the inner shell lower extreme is fixed to be equipped with first groove bobbin shaft, and the hollow tube is seted up to the branch lower part, establishes second groove bobbin shaft in the hollow tube, and the lower part outside of branch is equipped with the second fastener, has all seted up mutually perpendicular's first through-hole and second through-hole on first fastener and the second fastener, is equipped with the threaded rod in the second through-hole, and the one end of threaded rod is equipped with the. The utility model has the advantages of reasonable design, through first groove bobbin and second groove bobbin that can freely stretch out and draw back, can highly carry out real-time adjustment to the survey and drawing, it is required to satisfy the survey and drawing, can make the lower extreme of 3 supports be in same horizontal plane again, has improved the adaptability to the topography, labour saving and time saving, convenient operation is swift.

Description

Engineering survey and drawing fixed bolster

Technical Field

The utility model belongs to engineering survey and drawing field especially relates to an engineering survey and drawing fixed bolster.

Background

During the whole construction process of a project, various geographic positions and project data are measured frequently. The existing surveying and mapping support can only carry out data measurement at a fixed height, has higher requirement on the flatness of the terrain, and can not meet the surveying and mapping requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an engineering survey and drawing fixed bolster.

The utility model discloses a realize like this: an engineering surveying and mapping fixing support comprises a shell, wherein a cover plate is arranged at the upper end of the shell and used for protecting the inner shell and preventing impurities such as dust from entering the shell and the inner shell, 3 support rods are uniformly arranged at the lower edge of the shell and used for supporting the shell, a slotted hole is formed in the center of the lower end of the shell, a first clamping piece is arranged below the slotted hole and used for controlling the lifting of a first groove barrel shaft, the upper end of the first clamping piece is fixedly connected with the lower wall of the shell and used for conveniently operating a knob on the first clamping piece, the inner shell is arranged in the shell, a surveying and mapping instrument is placed in the inner shell, a first groove barrel shaft is fixedly arranged at the lower end of the inner shell, the lower end of the first groove barrel shaft sequentially penetrates through the slotted hole and the first clamping piece, the first groove barrel shaft rises or descends in the first clamping piece, so that the height adjustment of the surveying and mapping instrument, the upper end of the supporting rod is movably connected with the shell, so that the retracting operation is convenient, the lower part of the supporting rod is provided with a hollow tube, a second grooved drum shaft is arranged in the hollow tube, the second grooved drum shaft moves in the hollow tube, the extension amount of the second grooved drum shaft is adjusted, the lower ends of 3 supporting rods can be positioned at the same horizontal plane, the adaptability to the terrain is improved, the lower end of the second grooved drum shaft is fixedly provided with a conical anchor which has a good fixing effect with the ground, the outer side of the lower part of the supporting rod is fixedly provided with a second clamping piece, the second grooved drum shaft rises or descends in the second clamping piece, the second clamping piece has the same structure as the first clamping piece, the first clamping piece and the second clamping piece are both provided with a first through hole and a second through hole which are vertical to each other, the first through hole is horizontally arranged, the second through hole penetrates through one side of the first through hole, and the first grooved drum shaft is positioned in the first through hole of the, the second grooved drum shaft is located in a first through hole of the second clamping piece, a threaded rod is arranged in the second through hole, the threaded rod is matched with the first grooved drum shaft and is correspondingly connected with the second grooved drum shaft, a knob is fixedly arranged at one end of the threaded rod, the knob is rotated, the first grooved drum shaft rises or falls along the first clamping piece under the action of the threaded rod, and the second grooved drum shaft rises or falls along the second clamping piece under the action of the threaded rod.

Preferably, the lower end of the first grooved drum shaft is fixedly provided with a limiting block for limiting the rising height of the first grooved drum shaft, so that the first grooved drum shaft and the first clamping piece are prevented from being disengaged.

Preferably, the lower edge department of casing has seted up the draw-in groove, restricts the activity angle of branch through the draw-in groove, guarantees the suitable aperture of branch, be provided with the connecting rod in the draw-in groove, the connecting rod runs through the upper end of branch and the both ends of connecting rod and casing fixed connection, and branch freely rotates under the effect of connecting rod.

Preferably, the outer side wall of the shell is provided with a level gauge, the extending amount of the second groove cylinder shaft is adjusted according to the reading of the level gauge, and the surveying and mapping accuracy is guaranteed.

Preferably, the central line of inner shell and the central line of first grooved drum axle are on same straight line, and the more laborsaving lifting operation to surveying instrument.

The utility model has the advantages that: the utility model has the advantages of reasonable design, through first groove bobbin shaft and second groove bobbin shaft that can freely stretch out and draw back, can highly carry out real-time adjustment to the survey and drawing, it is required to satisfy the survey and drawing, can make the lower extreme of 3 branches be in same horizontal plane again, has improved the adaptability to the topography, labour saving and time saving, convenient operation is swift.

Drawings

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

FIG. 2 is a top plan view of the second clip member;

FIG. 3 is a schematic structural diagram of a card slot;

in the figure: 1. a housing; 2. a cover plate; 3. a strut; 4. a first clip member; 5. an inner shell; 6. a first grooved drum shaft; 7. a hollow tube; 8. a second grooved drum shaft; 9. a conical anchor; 10. a second clip member; 11. a first through hole; 12. a second through hole; 13. a threaded rod; 14. a knob; 15. a limiting block; 16. a card slot; 17. a connecting rod; 18. a level gauge.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, the fixing bracket for engineering surveying and mapping comprises a housing 1, a cover plate 2 is disposed at the upper end of the housing 1, the inner housing 5 is protected, impurities such as dust are prevented from entering the housing 1 and the inner housing 5, a level 18 is disposed on the outer side wall of the housing 1, the extension amount of a second grooved drum shaft 8 is adjusted according to the reading of the level 18, the surveying and mapping accuracy is ensured, 3 support rods 3 are uniformly disposed at the lower edge of the housing 1, the housing 1 is supported, a slot 16 is disposed at the lower edge of the housing 1, the movable angle of each support rod 3 is limited by the slot 16, the proper opening degree of each support rod 3 is ensured, a connecting rod 17 is disposed in the slot 16, the connecting rod 17 penetrates through the upper end of each support rod 3, two ends of the connecting rod 17 are fixedly connected with the housing 1, and the support rods 3 can freely rotate under, a slotted hole is formed in the center of the lower end of the shell 1, a first clamping piece 4 is arranged below the slotted hole to control the lifting of the first grooved drum shaft 6, the upper end of the first clamping piece 4 is fixedly connected with the lower wall of the shell 1 to facilitate the operation of a knob 14 on the first clamping piece 4, an inner shell 5 is arranged in the shell 1, a surveying and mapping instrument is placed in the inner shell 5, a first grooved drum shaft 6 is fixedly arranged at the lower end of the inner shell 5, the central line of the inner shell 5 and the central line of the first grooved drum shaft 6 are on the same straight line, the surveying and mapping instrument is lifted more laborsavingly, the lower end of the first grooved drum shaft 6 sequentially penetrates through the slotted hole and the first clamping piece 4, a limiting block 15 is fixedly arranged at the lower end of the first grooved drum shaft 6 to limit the lifting height of the first grooved drum shaft 6 to prevent the first grooved drum shaft 6 from being disengaged from the first clamping piece 4, the upper end of the supporting rod 3 is movably connected with the shell 1 to facilitate retraction and release operation, the lower part of the supporting rod 3 is provided with a hollow tube 7, a second grooved tube shaft 8 is arranged in the hollow tube 7, the second grooved tube shaft 8 moves in the hollow tube 7 to adjust the extension amount of the second grooved tube shaft 8, so that the lower ends of the 3 supporting rods 3 are positioned on the same horizontal plane to improve the adaptability to the terrain, the lower end of the second grooved tube shaft 8 is fixedly provided with a conical anchor 9 which has good fixing effect with the ground, the outer side of the lower part of the supporting rod 3 is fixedly provided with a second clamping piece 10, the second grooved tube shaft 8 rises or falls in the second clamping piece 10, the second clamping piece 10 has the same structure as the first clamping piece 4, the first clamping piece 4 and the second clamping piece 10 are both provided with a first through hole 11 and a second through hole 12 which are vertical to each other, the first through hole 11 is vertically arranged, the second through hole 12 is horizontally arranged, the second through hole 12 penetrates through one side of the first through hole 11, the first grooved drum shaft 6 is located in the first through hole 11 of the first clamping piece 4, the second grooved drum shaft 8 is located in the first through hole 11 of the second clamping piece 10, a threaded rod 13 is arranged in the second through hole 12, the threaded rod 13 is matched and correspondingly connected with the first grooved drum shaft 6 and the second grooved drum shaft 8, a knob 14 is fixedly arranged at one end of the threaded rod 13, the knob 14 is rotated, the first grooved drum shaft 6 ascends or descends along the first clamping piece 4 under the action of the threaded rod 13, and the second grooved drum shaft 8 ascends or descends along the second clamping piece 10 under the action of the threaded rod 13.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A fixing bracket for engineering surveying and mapping is characterized by comprising a shell, a cover plate is arranged at the upper end of the shell, 3 support rods are uniformly arranged at the lower edge of the shell, a slotted hole is formed in the center of the lower end of the shell, a first clamping piece is arranged below the slotted hole, the upper end of the first clamping piece is fixedly connected with the lower wall of the shell, an inner shell is arranged in the shell, a first grooved drum shaft is fixedly arranged at the lower end of the inner shell, the lower end of the first grooved drum shaft sequentially penetrates through the slotted hole and the first clamping piece, the upper end of the support rod is movably connected with the shell, a hollow pipe is arranged at the lower part of the support rod, a second grooved drum shaft is arranged in the hollow pipe, a conical anchor is fixedly arranged at the lower end of the second grooved drum shaft, a second clamping piece is fixedly arranged at the outer side of the lower part of the support rod, the second clamping piece has the same structure as the first clamping piece, and the second, the second through hole penetrates through one side of the first through hole, a threaded rod is arranged in the second through hole, the threaded rod is matched with and correspondingly connected with the first grooved drum shaft and the second grooved drum shaft, and a knob is fixedly arranged at one end of the threaded rod.

2. The fixing bracket for engineering surveying and mapping according to claim 1, wherein a limiting block is fixedly arranged at the lower end of the first grooved drum shaft.

3. The fixing bracket for engineering surveying and mapping according to claim 1, wherein a slot is formed at a lower edge of the housing, a connecting rod is disposed in the slot, the connecting rod penetrates through an upper end of the supporting rod, and two ends of the connecting rod are fixedly connected with the housing.

4. The fixing bracket for engineering surveying and mapping according to claim 1, wherein a level is provided on an outer side wall of the housing.

5. The fixing bracket for engineering surveying and mapping according to claim 1, wherein a center line of the inner housing is aligned with a center line of the first cylinder shaft.