CN220153557U

CN220153557U - A fixing device for tunnel over- and under-excavation detection and calibration plates

Info

Publication number: CN220153557U
Application number: CN202320440176.3U
Authority: CN
Inventors: 邹符良; 郭张锋; 刘立峰; 陈强; 纪晨晨
Original assignee: Third Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-12-08
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a fixing device for a tunnel over-under excavation detection calibration plate, which includes a bottom plate. A telescopic cylinder is fixedly connected to the top of the bottom plate, and a telescopic rod is fixedly connected to the top of the telescopic cylinder. The top of the telescopic rod is A positioning plate is fixedly connected, and the front surface of the positioning plate is fixedly connected with two opposite support frames. There are splints in the two support frames, and a push plate is fixedly connected to one side of the splint. One end of the push plate penetrates the support frame and is fixedly connected to the movement plate. One end of the movement plate is provided with a threaded hole, and a threaded rod is inserted into the thread of the threaded hole. One end of the threaded rod is rotationally connected to the outer wall of the support frame. The utility model adopts the setting of clamping and fixing components to facilitate the clamping and fixing of the calibration plate, and adopts a telescopic adjustment mechanism to realize the position extension of the calibration plate.

Description

Fixing device of tunnel super-underexcavation detection calibration plate

Technical Field

The utility model relates to the field of products related to tunnel construction, in particular to a fixing device for a tunnel super-undermining detection calibration plate.

Background

In the process of excavating the tunnel, the tunnel is excavated according to the size of a design drawing prepared in advance, namely, a tunnel section profile reference drawing exists, and in the general excavating process, the actual tunnel inner wall is positioned outside the reference profile and belongs to overexcavation; the fixed calibration plate is usually manually nailed at the center of the calibration plate to fix the calibration plate on the rock wall during tunnel super-underexcavation detection, which is positioned in the reference contour line.

However, the top of the existing excavation section is about 5 m high, manual work cannot reach the top, the calibration plate is difficult to fix at the position, the super-underexcavation detection precision is low, and the defect exists.

Disclosure of Invention

The utility model aims to provide a fixing device for a tunnel super-undermining detection calibration plate, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixing device of tunnel super short dig detection calibration board, includes the bottom plate, the top fixedly connected with telescopic cylinder of bottom plate, the top fixedly connected with telescopic link of telescopic link, the top fixedly connected with locating plate of telescopic link, two supporting frames that the positive surface fixedly connected with of locating plate set up relatively, two all be equipped with splint in the supporting frame, one side fixedly connected with push pedal of splint, the one end of push pedal runs through supporting frame and fixedly connected with kinematic plate, the one end of kinematic plate is equipped with the screw socket, the screw socket internal thread is inserted and is equipped with the threaded rod, the one end and the supporting frame outer wall rotation of threaded rod are connected.

Preferably, the inner walls of the two ends of the supporting frame are respectively provided with a limit groove, a limit rod is fixedly connected in the limit grooves, and the two ends of the clamping plate are respectively and slidably sleeved on the limit rod.

Preferably, the bottom of the bottom plate is fixedly connected with four universal self-locking wheels which are arranged in a rectangular shape.

Preferably, the telescopic cylinder is an electric telescopic cylinder.

Preferably, one end of the threaded rod, which is far away from the supporting frame, is fixedly connected with a rotating block, and the outer side wall of the rotating block is provided with anti-skid patterns.

Preferably, the outer walls of the two sides of the telescopic cylinder are fixedly connected with stabilizing plates, and one ends of the stabilizing plates are fixedly connected with the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the fixing device for the tunnel super-undermining detection calibration plate, the calibration plate is placed between two supporting frames on the positioning plate, then the threaded rod is rotated, the moving plate which is sleeved on the threaded rod through threads is moved along with the threaded rod, so that the pushing plate moves in the supporting frame, the clamping fixing of the calibration plate is achieved, the telescopic cylinder is controlled to drive the telescopic rod to push the positioning plate to move upwards, the calibration plate is extended to a proper installation position, the clamping fixing assembly is convenient to achieve clamping fixing of the calibration plate, and the telescopic adjusting mechanism is used for achieving position extension of the calibration plate.

Drawings

FIG. 1 is a schematic structural view of a fixing device for a tunnel undermining detection calibration plate;

fig. 2 is an enlarged view of a position a of a fixing device of a tunnel undermining detection calibration plate.

In the figure: 1. a bottom plate; 2. a telescopic cylinder; 3. a telescopic rod; 4. a positioning plate; 5. a support frame; 6. a clamping plate; 7. a push plate; 8. a motion plate; 9. a threaded rod; 10. a limit rod; 11. universal self-locking wheel; 12. a rotating block; 13. the plate is stabilized.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, an embodiment of the present utility model is provided: the utility model provides a fixing device of tunnel super undermining detection calibration board, including bottom plate 1, the top fixedly connected with telescopic cylinder 2 of bottom plate 1, the top fixedly connected with telescopic link 3 of telescopic cylinder 2, the top fixedly connected with locating plate 4 of telescopic link 3, the positive surface fixedly connected with of locating plate 4 is relative two carriage 5 that set up, all be equipped with splint 6 in two carriage 5, one side fixedly connected with push pedal 7 of splint 6, the one end of push pedal 7 runs through carriage 5 and fixedly connected with movable plate 8, the one end of movable plate 8 is equipped with the screw, threaded rod 9 is inserted to the screw internal thread, the one end and the carriage 5 outer wall rotation of threaded rod 9 are connected, specifically speaking, place the calibration board between two carriage 5 on locating plate 4, then through rotating threaded rod 9, the movable plate 8 that the screw cup joints on threaded rod 9 at this moment will follow the removal and then realize the motion of push pedal 7, push pedal 7 will promote splint 6 at carriage 5 internal motion and then realize the centre gripping fixed to the calibration board, thereby control telescopic cylinder 2 drive telescopic link 3 to promote the locating plate 4 upward motion and extend to suitable installation department with the calibration board.

In the embodiment, limit grooves are formed in the inner walls of the two ends of the supporting frame 5, limit rods 10 are fixedly connected in the limit grooves, the two ends of the clamping plate 6 are sleeved on the limit rods 10 in a sliding manner, and the two ends of the clamping plate 6 are supported in a sliding manner; four universal self-locking wheels 11 which are arranged in a rectangular shape are fixedly connected to the bottom of the bottom plate 1, so that the whole position can be conveniently moved; the telescopic cylinder 2 is an electric telescopic cylinder; one end of the threaded rod 9 far away from the supporting frame 5 is fixedly connected with a rotating block 12, and the outer side wall of the rotating block 12 is provided with anti-skid patterns, so that the threaded rod 9 can be conveniently rotated; and the outer walls of the two sides of the telescopic cylinder 2 are fixedly connected with the stabilizing plates 13, one end of each stabilizing plate 13 is fixedly connected with the bottom plate 1, and the installation stability of the telescopic cylinder 2 is improved.

Working principle: firstly, a calibration plate is placed between two supporting frames 5 on a positioning plate 4, then a threaded rod 9 is rotated, a moving plate 8 which is in threaded sleeve connection with the threaded rod 9 moves along with the threaded rod 9, so that the movement of a pushing plate 7 is realized, the pushing plate 7 moves in the supporting frames 5 to further realize the clamping and fixing of the calibration plate, and then a telescopic cylinder 2 is controlled to drive a telescopic rod 3 to push the positioning plate 4 to move upwards, so that the calibration plate is extended to a proper installation position.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fixing device for tunnel over- and under-excavation detection and calibration plates, including a bottom plate (1), characterized in that: a telescopic cylinder (2) is fixedly connected to the top of the bottom plate (1), and the telescopic cylinder (2) A telescopic rod (3) is fixedly connected to the top, a positioning plate (4) is fixedly connected to the top of the telescopic rod (3), and two opposite support frames (5) are fixedly connected to the front surface of the positioning plate (4). ), both support frames (5) are equipped with splints (6), one side of the splint (6) is fixedly connected with a push plate (7), and one end of the push plate (7) penetrates the support frame (5) and is fixedly connected with a moving plate (8). One end of the moving plate (8) is provided with a threaded hole. A threaded rod (9) is inserted into the threaded hole of the threaded hole. One end of the threaded rod (9) Rotatingly connected to the outer wall of the support frame (5).

2. A fixing device for tunnel over- and under-excavation detection and calibration plates according to claim 1, characterized in that: limit grooves are provided on the inner walls of both ends of the support frame (5), and the limit grooves are The limiting rod (10) is fixedly connected, and both ends of the splint (6) are slidably sleeved on the limiting rod (10).

3. A fixing device for tunnel over-under excavation detection and calibration plate according to claim 1, characterized in that: the bottom of the base plate (1) is fixedly connected with four universal self-locking wheels (11) arranged in a rectangular shape. ).

4. A fixing device for tunnel over- and under-excavation detection and calibration plates according to claim 1, characterized in that: the telescopic cylinder (2) is an electric telescopic cylinder.

5. A fixing device for tunnel over-under excavation detection and calibration plate according to claim 1, characterized in that: one end of the threaded rod (9) away from the support frame (5) is fixedly connected with a rotating block (12), The outer wall of the rotating block (12) is provided with anti-skid patterns.

6. A fixing device for tunnel over- and under-excavation detection and calibration plates according to claim 1, characterized in that: stable plates (13) are fixedly connected to the outer walls on both sides of the telescopic cylinder (2), and the One end of the stabilizing plate (13) is fixedly connected to the bottom plate (1).