CN216841681U

CN216841681U - Drilling platform is used in construction of junctional passage

Info

Publication number: CN216841681U
Application number: CN202220106438.8U
Authority: CN
Inventors: 谭伟生; 伍世龙; 谭远志; 辜勤昆; 余伟
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Urban Rail Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Urban Rail Engineering Co Ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-28
Anticipated expiration: 2032-01-14

Abstract

The invention discloses a drilling platform for construction of a connecting channel, which comprises two guide rails arranged in a tunnel and a scaffold erected between the two guide rails, wherein the guide rails are arranged along the length direction of the tunnel, the scaffold is in sliding connection with the guide rails along the length of the guide rails, a workbench for installing a power head of a drilling machine is arranged on the scaffold, the workbench is in sliding connection with the scaffold along the vertical direction, a supporting component for supporting the workbench is arranged on the scaffold, and a driving mechanism for driving the power head of the drilling machine to move towards the direction close to or far away from a tunnel face is arranged on the workbench. The adjusting device has the advantages that the adjusting of the swinging position of the power head of the drilling machine in the tunnel is realized in three dimensions, and the effect of improving the drilling efficiency in the construction process of the communication channel is achieved.

Description

Drilling platform is used in construction of junctional passage

Technical Field

The invention relates to the technical field of tunnel excavation, in particular to a drilling platform for constructing a connecting channel.

Background

The communication channel is usually arranged between two subway tunnels, and plays roles of communication, drainage, fire prevention and the like. When one of the tunnels has problems, passengers can transfer to the other tunnel through the communication channel to wait for rescue, so that the safety of subway riding is greatly enhanced.

In the construction process of the connection channel, advance support is usually firstly carried out on the soil layer around the tunnel face of the connection channel, and then excavation is carried out, so that the possibility of channel collapse in the excavation process is reduced.

At present, a soil layer around a tunnel face is generally reinforced by adopting a freezing method, when the soil layer is reinforced by adopting the freezing method, holes are drilled on the soil layer around the tunnel face, then a freezing pipe is inserted into the drilled holes, then a freezer is installed in a tunnel, low-temperature saline water is introduced into the freezing pipe, so that the soil layer around the tunnel is frozen into a closed frozen soil body to resist water and soil pressure and isolate underground water, and then soil excavation and tunnel lining structure construction are carried out under the protection of the frozen soil body.

Wherein the process of punching need build construction platform, then install the rig unit head on construction platform to drill. However, since the number of the drill holes is large and the drill holes are distributed in an arched shape, the placement position of the power head of the drilling machine needs to be frequently adjusted, and the existing construction platform is low in adjustment flexibility, so that a lot of time is needed for adjusting the placement position of the power head of the drilling machine, and the drilling efficiency is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the drilling efficiency in the contact passageway work progress, this application provides a drilling platform is used in contact passageway construction.

The application provides a drilling platform for junctor passage construction adopts following technical scheme:

the utility model provides a drilling platform is used in linkage tunnel construction, is including arranging two guide rails in the tunnel and erects the scaffold between two guide rails, the guide rail is arranged along the length direction in tunnel, the scaffold is along the length and the guide rail sliding connection of guide rail, be provided with the workstation that is used for supplying the installation of rig unit head on the scaffold, vertical direction and scaffold sliding connection are followed to the workstation, be provided with the supporting component who is used for supporting the workstation on the scaffold, be provided with on the workstation and order about the rig unit head towards the actuating mechanism who is close to or keeps away from the direction removal of face.

By adopting the technical scheme, the scaffold can move along the length direction of the guide rail, and the drill power head can be driven to move along the length direction of the guide rail by moving the scaffold, so that the position of the drill power head in the extending direction of the tunnel is realized. When the height of the drilling machine needs to be adjusted, the height of the power head of the drilling machine can be adjusted by adjusting the height of the workbench. After the arrangement position of the power head of the drilling machine is adjusted, the power head of the drilling machine is connected with the drill rod, the power head of the drilling machine is started, the power head of the drilling machine is driven to move towards the direction close to the tunnel face through the driving mechanism, and the drill rod is gradually jacked in the process of drilling, so that automatic drilling is realized. In conclusion, the position of the moving head of the drilling machine can be adjusted in three dimensions, so that the flexibility of the drilling construction platform is greatly improved, and the drilling efficiency in the construction process of the communication channel is improved.

Preferably, the scaffold includes the pole setting of four vertical settings, and four pole settings distribute in four edges of workstation, every the upper end of pole setting all is provided with the fixed pulley, every the fixed pulley has all articulated the chain, the one end and the workstation of chain are connected.

By adopting the technical scheme, when the height of the power head of the drilling machine needs to be adjusted, the height of the power head of the drilling machine can be increased by pulling the free end of the pull-down chain, and the workbench is supported by the support assembly, so that the height of the power head of the drilling machine is adjusted.

Preferably, the supporting component is including embracing the clamp of establishing in the pole setting, the clamp is located the below of workstation, is located equal fixedly connected with connecting rod between two clamps of same root guide rail one side, the workstation overlap joint is fixed between two connecting rods, the one end of chain and the connecting rod fixed connection who corresponds.

Through adopting above-mentioned technical scheme, when the height of putting of needs adjustment rig unit head, not hard up clamp pulls down the free end that is located two lock chains on one side of same root guide rail simultaneously, can drive and correspond the connecting rod and shift up to increase the height of putting of rig unit head. After the connecting rod moves to a proper height, the hoop is locked on the vertical rod, and the workbench can be stably supported.

Preferably, actuating mechanism is including installing the hold-in range mechanism on the workstation, hold-in range fixedly connected with of hold-in range mechanism removes the seat, the rig unit head is installed on removing the seat.

By adopting the technical scheme, after the placing position of the power head of the drilling machine is adjusted, the power head of the drilling machine is connected with the drill rod, the power head of the drilling machine is started, the power head of the drilling machine is gradually driven to move towards the direction close to the tunnel face through the synchronous belt mechanism, and the drill rod is gradually jacked in while drilling, so that automatic drilling is realized.

Preferably, the last fixed surface of workstation is connected with the iron box, hold-in range mechanism sets up in the iron box, be provided with a plurality of groups gyro wheel between a pair of inside wall that the iron box is relative, the length direction interval distribution of a plurality of groups gyro wheel along the iron box, remove the seat and place on the gyro wheel and with gyro wheel sliding connection.

By adopting the technical scheme, the roller wheel plays a supporting role for the moving seat and the drilling machine power head arranged on the moving seat so as to reduce the load born by the synchronous belt and ensure that the drilling machine power head is more stable in the moving process.

Preferably, a pair of side walls in the length direction of the workbench are respectively provided with a guide strip in a protruding manner, a pair of side walls of the moving seat close to the guide strips are respectively provided with a guide block in a protruding manner, and the guide strips are connected with the guide blocks in a sliding manner.

By adopting the technical scheme, the guide strip is matched with the guide block, so that the stability of the power head of the drilling machine in the moving process is further improved.

Preferably, the upper ends and the lower ends of the two adjacent vertical rods are fixedly connected with reinforcing rods.

Through adopting above-mentioned technical scheme, the reinforcing bar has strengthened the structural strength of scaffold to make the scaffold difficult loose.

Preferably, the lower extreme fixedly connected with sliding sleeve of pole setting, sliding sleeve and guide rail slip joint.

Through adopting above-mentioned technical scheme, sliding sleeve and guide rail slip joint to promote the pole setting and can drive whole scaffold and remove, with this position of adjustment well drilling unit head.

In summary, the present application includes at least one of the following beneficial technical effects:

the scaffold can move along the length direction of the guide rail, the workbench can be connected with the scaffold in a sliding manner along a vertical pay-off line, and a driving mechanism for driving the power head of the drilling machine to move towards a direction close to or far away from a tunnel face is arranged on the workbench, so that the arrangement position of the power head of the drilling machine can be adjusted in three dimensions, the arrangement flexibility of the power head of the drilling machine is greatly improved, and the drilling efficiency in the construction process of the communication channel is improved;

when the placing height of the power head of the drilling machine needs to be adjusted, the clamp is loosened, the free ends of the two chains located on the same side are pulled down simultaneously, the corresponding connecting rods and the workbench can be driven to move upwards, the placing height of the power head of the drilling machine is increased in sequence, and then the clamp is locked in the vertical rod to lift the workbench into stable support.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic illustration of the present application showing the drill head mounted to a work table;

fig. 3 is a schematic structural diagram of the roller mounted on the mounting frame in the application.

Description of reference numerals:

1. a guide rail; 2. a scaffold; 21. erecting a rod; 22. a sliding sleeve; 23. a reinforcing bar; 3. a drilling machine power head; 4. a work table; 5. a support assembly; 51. clamping a hoop; 52. a connecting rod; 6. a fixed pulley; 7. a chain; 8. a synchronous belt mechanism; 9. an iron box; 10. a roller; 11. a mounting frame; 111. a fixing strip; 112. a limiting plate; 12. a guide strip; 13. a guide block; 14. and a movable seat.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses drilling platform is used in construction of junctional passage. Referring to fig. 1, the present invention includes two guide rails 1 and a scaffold 2 installed between the two guide rails 1. The two guide rails 1 are oppositely arranged at intervals, and the two guide rails 1 are arranged in the tunnel along the length direction of the tunnel.

Referring to fig. 1, the scaffold 2 includes four upright rods 21 vertically arranged, a sliding sleeve 22 is fixedly connected to the lower end of each upright rod 21, the sliding sleeve 22 is slidably connected to the guide rail 1, the cross section of the guide rail 1 is arranged in an i-shape, and the cross section of the sliding sleeve 22 is matched with the cross section of the guide rail 1 in shape. Four pole setting 21 are two by two a set of, and two sets of pole setting 21 are relative to be set up and distribute respectively on two guide rails 1.

All welded fastening has stiffener 23 between the upper and lower both ends of two adjacent pole settings 21, and the structural strength of scaffold 2 has been strengthened to stiffener 23, simultaneously, can drive whole scaffold 2 and remove through removing a pole setting 21.

Referring to fig. 1, a workbench 4 for installing a power head of a drilling machine is arranged between four upright rods 21, the workbench 4 is connected with the upright rods 21 in a sliding manner, and a support assembly 5 for supporting the workbench 4 is arranged between the four upright rods 21.

Referring to fig. 1, the support assembly 5 includes four clamps 51, and the four clamps 51 are respectively disposed on the four vertical rods 21 and are connected to the vertical rods 21 by bolts and nuts. And a connecting rod 52 is fixedly welded between the two hoops 51 positioned on one side of the same guide rod, and the workbench 4 is lapped between the two connecting rods 52 and is fixedly welded with the connecting rods 52.

Referring to fig. 1, a fixed pulley 6 is disposed at the top end of each vertical rod 21, and the fixed pulley 6 is welded and fixed to a reinforcing rod disposed at the top end of the vertical rod 21. Each fixed pulley 6 is hung with a chain 7, the chain 7 is made of steel, one end of the chain 7 is welded and fixed with the connecting rod 52, and the other end of the chain 7 naturally droops. When the height of the drill power head 3 needs to be adjusted, the clamp 51 is loosened, the free ends of the two chains 7 positioned on the same side are pulled down simultaneously, the corresponding connecting rod 52 can be driven to move upwards, the connecting rod 52 moves upwards to drive the workbench 4 to move upwards, and therefore the height of the drill power head 3 is increased. When the connecting rod 52 moves up to a proper height, the hoop 51 is locked on the upright 21, and the workbench 4 can be stably supported.

Referring to fig. 1 and 2, a driving mechanism for driving the drill power head 3 to move towards or away from the tunnel face is arranged on the workbench 4. The drive mechanism is a common synchronous belt mechanism 8 and will not be described in detail here. The upper surface fixed connection of workstation 4 has iron box 9, and iron box 9 distributes along the length direction of workstation 4, and the upper end opening of iron box 9 sets up. The synchronous belt mechanism 8 is arranged in the iron box 9, the upper part of a synchronous belt of the synchronous belt mechanism 8 is fixedly connected with a moving seat 14, and the drilling machine power head 3 is installed on the moving seat 14.

Referring to fig. 2 and 3, a plurality of sets of rollers 10 are disposed in the iron box 9, and the plurality of sets of rollers 10 are distributed at intervals along the length direction of the iron box 9. A plurality of mounting frames 11 for mounting the rollers 10 are arranged in the iron box 9, and one mounting frame 11 corresponds to one group of rollers 10. Mounting bracket 11 is including fixing the fixed strip 111 between a pair of inside wall of iron box 9 length direction, two limiting plates 112 of the equal fixedly connected with of a pair of lateral wall of fixed strip 111 length direction, and two limiting plate 112 relative intervals set up the upper surface of limiting plate 112 and the upper surface of fixed strip 111 flush. Four gyro wheels 10 are a set of, and four gyro wheels 10 are installed respectively in the space between four limiting plates 112 and the inside wall of metal-back box 9, and the upper surface setting of the partly protruding mounting bracket 11 of gyro wheel 10. Through setting up gyro wheel 10, gyro wheel 10 plays the supporting role to removing seat 14 and installing the rig unit head 3 on removing seat 14 to reduce the load that the hold-in range bore, make rig unit head 3 more steady at the in-process that removes.

Referring to fig. 2, a pair of side walls of the iron box 9 along the length direction thereof are provided with a guide strip 12 in a protruding manner, and the upper surface of the guide strip 12 is flush with the opening end of the iron box 9. A pair of side walls of the moving seat 14 close to the guide bars 12 are respectively provided with a plurality of guide blocks 13 in a protruding mode, the guide blocks 13 protrude out of the workbench 4, and the guide bars 12 are sequentially provided with a plurality of guide blocks 13 and are connected with the guide blocks 13 in a sliding mode. The guide strip 12 cooperates with the guide block 13 to guide the movable seat 14, so as to further improve the stability of the movable seat 14 in the moving process.

The embodiment of the application provides a drilling platform for the construction of junctional passage's implementation principle does: the position of the power head 3 of the drilling machine in the extending direction of the tunnel can be changed by moving the scaffold 2, and the height of the power head 3 of the drilling machine can be adjusted by the chain 7 and the supporting component 5, so that the convenience for adjusting the swing position of the power head 3 of the drilling machine is greatly improved.

After the placement position of the drilling machine power head 3 is adjusted, the drilling machine power head 3 is connected with a drill rod, the drilling machine power head 3 is started, the drilling machine power head 3 is driven to move towards the direction close to the tunnel face through the synchronous belt mechanism 8, the drill rod is gradually jacked in while drilling, and therefore automatic drilling is achieved. In conclusion, the position of the moving head of the drilling machine can be adjusted in three dimensions, so that the flexibility of the drilling construction platform is greatly improved, and the drilling efficiency in the construction process of the communication channel is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a drilling platform is used in construction of junctional passage which characterized in that: including arranging two guide rail (1) in the tunnel and erectting scaffold (2) between two guide rail (1), guide rail (1) is arranged along the length direction in tunnel, length and guide rail (1) sliding connection of guide rail (1) are followed in scaffold (2), be provided with workstation (4) that are used for supplying rig unit head (3) to install on scaffold (2), vertical direction and scaffold (2) sliding connection are followed in workstation (4), be provided with supporting component (5) that are used for supporting workstation (4) on scaffold (2), be provided with on workstation (4) and order about rig unit head (3) towards the actuating mechanism who is close to or keeps away from the direction removal of face.

2. The drilling platform for construction of the connecting passage according to claim 1, wherein: scaffold (2) include pole setting (21) of four vertical settings, and four pole settings (21) distribute at four edges of workstation (4), every the upper end of pole setting (21) all is provided with fixed pulley (6), every fixed pulley (6) all have articulated chain (7), the one end and the workstation (4) of chain (7) are connected.

3. The drilling platform for the construction of the connecting passage according to claim 2, wherein: support component (5) are including embracing clamp (51) of establishing on pole setting (21), clamp (51) are located the below of workstation (4), are located equal fixedly connected with connecting rod (52) between two clamps (51) of same root guide rail (1) one side, workstation (4) overlap joint is fixed between two connecting rods (52), the one end and the connecting rod (52) fixed connection that correspond of chain (7).

4. The drilling platform for construction of the connecting passage according to claim 1, wherein: actuating mechanism is including installing hold-in range mechanism (8) on workstation (4), hold-in range fixedly connected with of hold-in range mechanism (8) removes seat (14), install on removing seat (14) rig unit head (3).

5. The drilling platform for the construction of the connecting channel according to claim 4, wherein: the last fixed surface of workstation (4) is connected with iron box (9), hold-in range mechanism (8) set up in iron box (9), be provided with a plurality of groups gyro wheel (10) between a pair of inside wall that iron box (9) are relative, the length direction interval distribution of iron box (9) is followed in a plurality of groups gyro wheel (10), remove seat (14) and place on gyro wheel (10) and with gyro wheel (10) sliding connection.

6. The drilling platform for the construction of the connecting passage according to claim 5, wherein: a pair of lateral walls of workstation (4) length direction all protrudingly is equipped with gib block (12), a pair of lateral wall that removes seat (14) and be close to gib block (12) all protrudingly is equipped with guide block (13), gib block (12) and guide block (13) sliding connection.

7. The drilling platform for the construction of the connecting passage according to claim 2, wherein: and reinforcing rods (23) are fixedly connected between the upper ends and the lower ends of the two adjacent vertical rods (21).

8. The drilling platform for the construction of the connecting passage according to claim 7, wherein: the lower extreme fixedly connected with sliding sleeve (22) of pole setting (21), sliding sleeve (22) and guide rail (1) slip joint.