CN217582195U

CN217582195U - Protective bracket for construction of heading machine

Info

Publication number: CN217582195U
Application number: CN202221020636.9U
Authority: CN
Inventors: 李明; 杨龙; 王晓慧; 路萍; 高嘉臻; 张�浩; 孙鹏翔; 鲁化震; 郭保平; 李蕊; 王振南; 孟谊强; 常涛
Original assignee: Pingmei Shenma Construction and Engineering Group Co Ltd
Current assignee: Pingmei Shenma Construction and Engineering Group Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-14
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to the technical field of tunnel and pipe gallery construction equipment, and discloses a protective bracket for the construction of a heading machine, which comprises supporting bottom beams, wherein pushing pieces are arranged between the two adjacent supporting bottom beams positioned at the same side; the supporting bottom beams on the two sides of the pushing piece are provided with ceilings with adjustable heights; the end parts of the two support bottom beams which are arranged in parallel at two sides are provided with turning oil cylinders; a rear outrigger with an adjustable position state is arranged at the end part of the ceiling far away from the turning oil cylinder; the utility model discloses, can realize that tunnelling goes on with the synchronization of strutting, ensure work efficiency, guarantee construction safety.

Description

Protective bracket for construction of heading machine

Technical Field

The utility model relates to a tunnel and piping lane construction equipment technical field especially relate to a protection support is used in entry driving machine construction.

Background

During excavation construction of a roadway, a pipe gallery, a tunnel and the like, a cantilever type excavator is required to be used for excavation operation, and during excavation work of the excavator, the excavator is generally required to be supported and prevented, so that construction safety is ensured; however, the existing supporting structure is difficult to realize the synchronous operation of tunneling and supporting, and a tunneling machine needs to be continuously started and stopped to cooperate with supporting operation during working, so that not only is the construction efficiency influenced, but also certain potential safety hazards are brought to the construction operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protective cradle is used in entry driving machine construction can realize the tunnelling and the synchronous of strutting going on, ensures work efficiency, guarantees construction safety.

The utility model adopts the following technical proposal:

a protective bracket for construction of a heading machine comprises supporting bottom beams, wherein a pushing piece is arranged between every two adjacent supporting bottom beams positioned on the same side; the supporting bottom beams on the two sides of the pushing piece are provided with ceilings with adjustable heights; the end parts of the two support bottom beams which are arranged in parallel at two sides are provided with turning oil cylinders; and a rear outrigger with an adjustable position state is arranged at the end part of the ceiling far away from the turning oil cylinder.

Preferably, the bottom end of the ceiling is provided with a lifting upright cylinder, and the bottom end of the lifting upright cylinder is arranged on the supporting bottom beam.

Preferably, the pushing member is a displacement oil cylinder hinged between two adjacent supporting bottom beams on the same side.

Preferably, the end of the ceiling far away from the rear outrigger is adjustably provided with a front canopy.

Preferably, the front cantilever beam and the rear cantilever beam are hinged to the ceiling at the corresponding ends through telescopic oil cylinders.

Preferably, two symmetrical sides of the ceiling are hinged with wing plates through air cylinders.

Preferably, the ceiling is arc-shaped and consists of a plurality of split support plates.

Preferably, a pressure sensor is arranged on the ceiling.

Preferably, the supporting bottom beam is hinged with a first auxiliary supporting rod, and the first auxiliary supporting rod is provided with a second auxiliary supporting rod hinged with the ceiling through a hinged seat.

Preferably, the top end of the ceiling is provided with a roller.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the impeller between two adjacent supporting mudsill of homonymy, can realize the self-advancing of protective cradle through the promotion of impeller, ensure to strut and tunnel and go on in step, promote the efficiency of construction, guarantee the construction safety; the rear cantilever beam is arranged at the tail end of the rear ceiling, so that the operation of laying and erecting the beam at the top of the roadway can be assisted, the synchronous operation of supporting and tunneling of the anchor net beam is realized, and the construction safety is ensured.

Furthermore, the front canopy is arranged at the front end of the ceiling, so that advanced support can be realized, and the safety performance is improved; the wing plate can assist in increasing the area of the ceiling so as to support roadways of different sizes and expand the application range. The ceiling sets up to arc, the effort that bears the weight of the tunnel top that can be better promotes the support effect.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a side view of an embodiment of the present application;

fig. 3 is a top view of an embodiment of the present application.

Detailed Description

The invention will be described more fully hereinafter with reference to the accompanying drawings and examples in which:

as shown in fig. 1 to 3, the utility model discloses a protective cradle for construction of heading machine, including supporting the floorbar 1, supporting the floorbar 1 and preferably setting up to four, respectively symmetrical arrangement is in tunnel or piping lane bottom both sides, and each side all sets up two in tandem along tunnel or piping lane set up direction, be provided with the impeller between two adjacent supporting the floorbar 1 that are located the same side, the impeller is used for promoting to support the floorbar 1 and move, thereby reach the purpose that whole protective cradle moved, so as to realize the synchronous going on of tunnelling and supporting, guarantee construction safety, the impeller preferably adopts displacement cylinder 2, the both ends of displacement cylinder 2 are articulated with corresponding supporting the floorbar 1 respectively; the supporting bottom beams 1 on the front side and the rear side of the pushing piece are respectively provided with a ceiling 3 with adjustable height, and the top of a roadway or a pipe gallery can be supported by lifting the ceiling 3; steering oil cylinders are arranged at the end parts of the two supporting bottom beams 1 which are symmetrically arranged at the front side and the rear side, and are used for realizing the turning operation of the protective bracket; the steering cylinders are arranged on a roadway or a supporting bottom beam 1 at the front end, and each steering cylinder is hinged with the corresponding supporting bottom beam 1, so that when the steering cylinders are not needed, the positions of the steering cylinders are adjusted, and the situation that the movement of the protective bracket is hindered is avoided; two auxiliary connecting rods 5 are hinged between the two supporting bottom beams 1 close to one end of the steering oil cylinder, and the two auxiliary connecting rods 5 are hinged to enhance the stability of the protective bracket during turning; the end part of the ceiling 3 far away from the steering oil cylinder is provided with a rear cantilever beam 6 with adjustable position state, preferably, the rear cantilever beam 6 is hinged with the ceiling 3 at the corresponding end through a telescopic oil cylinder 7, the rear cantilever beam 6 is adjusted to be in a state horizontal to the ceiling 3 from a vertical state by controlling the telescopic oil cylinder 7, the operation of laying and adding beams at the top of a roadway can be assisted, the synchronous proceeding of supporting and tunneling work of an anchor net beam is realized, the working efficiency is improved, and the construction safety is ensured.

Furthermore, the ceiling 3 is connected with a lifting upright post oil cylinder 8 arranged on the supporting bottom beam 1, and the purpose of controlling the lifting of the ceiling 3 is achieved through the lifting operation of the lifting upright post oil cylinder 8; preferably, two lifting upright cylinders 8 are arranged on each supporting bottom beam 1 and are respectively arranged at two ends of the ceiling 3; in order to increase the structural strength of the ceiling 3 during operation, the supporting bottom beam 1 is also obliquely hinged with two first auxiliary supporting rods 9, and the two first auxiliary supporting rods 9 are provided with second auxiliary supporting rods hinged with the ceiling 3 through hinge seats 15, and the second auxiliary supporting rods are not shown in the figure.

Furthermore, a front cantilever beam 10 is adjustably arranged at the end part of the ceiling 3 far away from the rear cantilever beam 6, and the front cantilever beam 10 is used for extending out when the heading machine excavates at the top of a roadway to form a forepoling so as to protect the heading machine and further improve the safety performance; preferably, the front end of the ceiling 3 is provided with a plurality of accommodating grooves 11 along the length direction thereof, and the front cantilever 10 is preferably arranged in the accommodating grooves 11 through the telescopic oil cylinder 7. In addition, the ceiling 3 is preferably arranged in a circular arc shape to enhance the bearing capacity and the supporting effect; the ceiling 3 preferably consists of a number of separate supporting plates, on each of which a receiving groove 11 is provided.

Furthermore, the symmetrical front and back sides of each ceiling 3 are hinged with wing plates 12 through cylinders, and the wing plates 12 are used for assisting in increasing the width of the ceiling 3 so as to meet the supporting use of tunnels or pipe galleries with different sizes and expand the application range of the utility model; in addition, still be provided with pressure sensor 13 on the ceiling 3 to carry out pressure monitoring to tunnel or piping lane top at any time at the during operation, so that in time get rid of the potential safety hazard. In order to reduce this application when removing frictional force between top and tunnel or the piping lane top, this application still evenly is provided with a plurality of gyro wheels 14 on ceiling 3 to reduce ceiling 3 and remove the in-process, with the friction at tunnel or piping lane top, prolong ceiling 3's life.

When the protective support is used, the protective support can be supported on the upper portion of the heading machine, firstly, when the heading machine digs a rock mass on the top of a roadway, the front canopy 10 extends out immediately to perform supporting operation, and along with continuous movement of the heading machine, the protective support can move synchronously to complete the supporting operation, so that the construction safety is ensured; when the lifting column needs to move forwards, the lifting column oil cylinder 8 positioned on the rear side in the moving direction can be lifted, the ceiling 3 can be tightly propped against the top wall of a roadway or a pipe gallery to serve as a support, the lifting column oil cylinder 8 positioned at the front end in the moving direction can be slightly decompressed, and the roller 14 is still ensured to be in contact with the top wall to ensure the supporting effect; at the moment, a piston of the displacement oil cylinder 2 extends out to push the supporting bottom beam 1 and the ceiling 3 at the front end in the moving direction to advance, then a lifting upright post oil cylinder 8 at the front end in the moving direction lifts up to tightly jack the top wall of a roadway or a pipe gallery to serve as a support, the lifting upright post oil cylinder 8 at the rear end in the moving direction slightly releases pressure, and then the displacement oil cylinder 2 contracts to drive the ceiling 3 and the supporting bottom beam 1 at the rear part in the moving direction to advance; after the movement is finished, arranging an anchor net on the rear cantilever beam 6, then controlling a piston of a telescopic oil cylinder 7 of the rear cantilever beam 6 to extend out to lift the rear cantilever beam 6, and realizing the supporting operation of the anchor net beam by matching with an anchor rod machine; the construction safety is ensured, and the working efficiency is improved; when the steering system needs to turn, the steering oil cylinder on one side is adjusted to be in a state vertical to the bottom plate, the piston of the steering oil cylinder is controlled to stretch out and tightly abut against the side wall of the roadway or the pipe gallery, and the walking oil cylinder on the other end is controlled to work. The utility model discloses can effectively reduce the loaded down with trivial details operation that the entry driving machine that leads to because of strutting the operation constantly opens and stops in the work progress, promote work efficiency, ensure the security performance.

Claims

1. The utility model provides a protective cradle is used in entry driving machine construction which characterized in that: the pushing piece is arranged between every two adjacent supporting bottom beams positioned on the same side; the supporting bottom beams on the two sides of the pushing piece are provided with ceilings with adjustable heights; the end parts of the two support bottom beams which are arranged in parallel at two sides are provided with turning oil cylinders; and a rear outrigger with an adjustable position state is arranged at the end part of the ceiling far away from the turning oil cylinder.

2. The protective bracket for the construction of the heading machine according to claim 1, characterized in that: the bottom end of the ceiling is provided with a lifting upright post oil cylinder, and the bottom end of the lifting upright post oil cylinder is arranged on the supporting bottom beam.

3. The protective bracket for use in construction of a heading machine according to claim 1, characterized in that: the pushing piece is a displacement oil cylinder hinged between two adjacent supporting bottom beams on the same side.

4. The protective bracket for the construction of the heading machine according to claim 1, characterized in that: and a front cantilever beam is arranged at the end part of the ceiling far away from the rear cantilever beam in an adjustable manner.

5. The protective bracket for use in construction of a heading machine according to claim 4, wherein: the front cantilever beam and the rear cantilever beam are hinged on the ceiling at the corresponding ends through telescopic oil cylinders.

6. The protective bracket for use in construction of a heading machine according to claim 1, characterized in that: and two symmetrical sides of the ceiling are hinged with wing plates through cylinders.

7. The protective bracket for the construction of the heading machine according to claim 1, characterized in that: the ceiling is arc-shaped and consists of a plurality of split support plates.

8. The protective bracket for the construction of the heading machine according to claim 7, wherein: and a pressure sensor is arranged on the ceiling.

9. The protective bracket for use in construction of a heading machine according to claim 1, characterized in that: the supporting bottom beam is hinged with a first auxiliary supporting rod, and the first auxiliary supporting rod is provided with a second auxiliary supporting rod hinged with the ceiling through a hinged seat.

10. The protective bracket for use in construction of a heading machine according to claim 1, characterized in that: and the top end of the ceiling is provided with rollers.