CN219387907U

CN219387907U - Construction tool for roughening tunnel vault

Info

Publication number: CN219387907U
Application number: CN202320241311.1U
Authority: CN
Inventors: 张冲; 张秋险; 杨俊�; 刘庆灵; 龙舟; 王允; 李孝龙; 代辉祥
Original assignee: China Construction Sixth Engineering Division Co Ltd
Current assignee: China Construction Sixth Engineering Division Co Ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-21
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a construction tool for roughening a tunnel vault, which comprises a handheld roughening machine, wherein the handheld roughening machine is fixed on an operation frame, the operation frame is provided with a supporting upright post and a jacking upright post, the upper end of the supporting upright post is connected with the middle part of the jacking upright post through a handheld acting force cross rod, the lower end of the jacking upright post is connected with the middle part of the supporting upright post through a connecting force transmission cross rod, the handheld acting force cross rod is provided with a cantilever force application section, the supporting upright post, the jacking upright post, the handheld acting force cross rod and the connecting force transmission cross rod form a parallelogram mechanism, and the handheld roughening machine is fixed at the upper end part of the jacking upright post. According to the utility model, the handheld roughening machine is fixed on the operation frame, the operation frame adopts the parallelogram mechanism, the construction operation mode is changed, the continuous head raising operation is changed into the lever pressing operation, the head raising operation time is greatly shortened, the labor intensity is reduced, the intermittent rest time is reduced, and the construction efficiency is improved.

Description

Construction tool for roughening tunnel vault

Technical Field

The utility model relates to a construction tool for roughening, in particular to a construction tool for roughening a tunnel vault.

Background

At present, most of domestic tunnel construction adopts large and medium-sized machinery or shield construction methods, and difficult sections adopt mining methods or manual excavation methods. Aiming at the defects of abnormal tunnel vault, narrow local space, shielding of structures and other construction spaces, large and medium-sized mechanical equipment cannot be used for roughening tunnel vault, manual roughening is needed, and a hand-held roughening machine is often used for manual roughening. However, because of the limited space, when the manual hand-held roughening machine drills upwards, long-time head-raising work is required, the labor intensity is high, intermittent rest time is required, and the construction efficiency is low.

Disclosure of Invention

The utility model provides a construction tool for roughening a tunnel vault, which is applied to the construction of roughening the tunnel vault with special shape, narrow local space, shielding of structures and the like, and can avoid the work of tilting the head, reduce the labor intensity, reduce the intermittent rest time and improve the working efficiency.

The utility model adopts the technical proposal for solving the technical problems in the prior art that: the utility model provides a construction tool for tunnel vault roughening, includes handheld roughening machine, handheld roughening machine is fixed on the handling frame, the handling frame has support post and jacking stand, the upper end of support post with the middle part of jacking stand links to each other through handheld effort horizontal pole, the lower extreme of jacking stand pass through connect pass power horizontal pole with the middle part of support post links to each other, handheld effort horizontal pole is equipped with cantilever application of force section, the support post the jacking stand handheld effort horizontal pole with connect pass power horizontal pole and constitute parallelogram mechanism, handheld roughening machine is fixed the upper end of jacking stand.

The hand-held roughening machine and the cantilever force application section of the hand-held acting force cross bar are respectively arranged on two sides of the operation frame.

And a bottom plate is fixedly connected to the lower end of the supporting upright post.

The hand-held roughening machine is bound and fixed at the upper end part of the jacking upright post by adopting a bandage.

The hinge of the parallelogram mechanism consists of a bolt, a gasket and a nut.

The supporting upright post, the jacking upright post, the handheld acting force cross rod and the connecting force transmission cross rod are all made of wood.

The utility model has the advantages and positive effects that: through fixing the hand-held type roughening machine on the operation frame, the operation frame adopts parallelogram mechanism, changes the construction operation mode, changes continuous overhead operation into lever pressing operation, greatly shortens overhead operation time, reduces labor intensity, can reduce intermittent rest time, and improves construction efficiency. And the motion track of the hand-held roughening machine is arc-shaped, can be well matched with the shape of the tunnel vault, and is convenient to use. Meanwhile, the utility model has simple structure, convenient manufacture and low cost; the installation, the disassembly and the transportation are convenient; light weight, simple operation and labor saving.

Drawings

FIG. 1 is a front elevational view of the present utility model with the hand-held force rail in a horizontal position;

FIG. 2 is a back-up view of FIG. 1;

FIG. 3 is a schematic view of the structure of the present utility model with the hand-held force rail at a 45 degree pitch angle;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a schematic view of the present utility model in a hand-held force beam lowered to an angle of-45 degrees.

In the figure: 1. a hand-held force rail; 1-1, a cantilever force application section; 2. connecting a force transmission cross rod; 3. a support column; 4. jacking the upright post; 5. a bolt; 6. a gasket; 7. a nut; 8. a hand held roughening machine; 9. a bandage; 10. a bottom plate.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:

referring to fig. 1-5, a construction tool for roughening a tunnel vault includes a hand-held roughening machine 8, the hand-held roughening machine 8 being secured to an operating frame.

The operation frame is provided with a supporting upright 3 and a jacking upright 4, the upper end of the supporting upright 3 and the middle part of the jacking upright 4 are connected through a handheld acting force cross rod 1, the lower end of the jacking upright 4 is connected with the middle part of the supporting upright 3 through a connecting force transmission cross rod 2, the handheld acting force cross rod 1 is provided with a cantilever force application section 1-1, the supporting upright 3, the jacking upright 4, the handheld acting force cross rod 1 and the connecting force transmission cross rod 2 form a parallelogram mechanism, and the handheld roughening machine 8 is fixed at the upper end part of the jacking upright 4.

In this embodiment, the hand-held roughening machine 8 and the cantilever forcing section 1-1 of the hand-held acting force cross bar are respectively arranged at two sides of the operation frame, so that the use is convenient. A bottom plate 10 is fixedly connected to the lower end of the supporting upright post 3, so that tools can be conveniently fixed. The hand-held roughening machine 8 is bound and fixed at the upper end part of the jacking upright post 4 by adopting a bandage 9, so that the implementation is convenient. The hinge of the parallelogram mechanism consists of a bolt 5, a gasket 6 and a nut 7, and is convenient to install and detach. The supporting upright post 3, the jacking upright post 4, the hand-held acting force cross rod 1 and the connecting force transmission cross rod 2 are all made of wood, and the device is light in weight, convenient to transport and low in manufacturing cost.

The application of the utility model:

1) Manufacturing an operation frame by using a wood square;

2) Fixing the hand-held roughening machine 8 on the top of the operation frame;

3) Checking a working face, creating a temporary working construction space, and arranging a construction sequence;

4) Measuring lofting, reasonably arranging construction tools, and selecting a lower bearing capacity point and a worker construction operation platform;

5) The construction tool and the worker are in place, the roughening construction is started, the cantilever force application section 1-1 of the hand-held force cross bar is pressed downwards during construction, and the force F is applied ₁ Under the action of the hand-held acting force cross bar 1, the jacking upright post 4 drives the hand-held roughening machine 8 to output acting force F upwards ₂ And (3) performing roughening construction on the special-shaped, locally limited and shielded vault.

6) After the roughening construction is completed, the hand-held roughening machine 8 is detached from the top of the operation frame, and the hand-held roughening machine and the operation frame are respectively stored.

Although the preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the appended claims, which are within the scope of the present utility model.

Claims

1. A construction tool for roughening a tunnel vault, comprising a hand-held roughening machine, characterized in that the hand-held roughening machine is fixed on an operation frame,

the operation frame is provided with a supporting upright post and a jacking upright post, the upper end of the supporting upright post is connected with the middle part of the jacking upright post through a handheld acting force cross rod, the lower end of the jacking upright post is connected with the middle part of the supporting upright post through a connecting force transmission cross rod, the handheld acting force cross rod is provided with a cantilever force application section, the supporting upright post, the jacking upright post, the handheld acting force cross rod and the connecting force transmission cross rod form a parallelogram mechanism,

the hand-held roughening machine is fixed at the upper end part of the jacking upright post.

2. The construction tool for roughening a tunnel vault of claim 1 wherein the hand held roughening machine and the cantilever-applied section of the hand held force rail are disposed on either side of the handling frame.

3. A construction tool for roughening a tunnel vault according to claim 1, characterized in that a bottom plate is fixedly attached to the lower end of the support post.

4. The construction tool for roughening a tunnel vault of claim 1 wherein the hand held roughening machine is secured to the upper end of the jacking leg by bandaging.

5. The tool for roughening a tunnel vault of claim 1 wherein the hinges of the parallelogram mechanism are comprised of bolts, shims and nuts.

6. The construction tool for roughening a tunnel vault of claim 1 wherein said support posts, said jacking posts, said hand-held force rails and said connecting force transfer rails are all made of wood.