CN217556938U

CN217556938U - A foundation ditch structure for hole passes steel pipe installation

Info

Publication number: CN217556938U
Application number: CN202123434560.2U
Authority: CN
Inventors: 庄小强; 游生洲; 陈平; 张智国
Original assignee: Fujian Guanhui Construction Engineering Co ltd
Current assignee: Fujian Guanhui Construction Engineering Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-10-11
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a tunnel hole poling construction technical field, concretely relates to a foundation ditch structure for tunnel poling steel pipe installation, including setting up the first foundation ditch in the tunnel, first foundation ditch bottom is provided with the second foundation ditch, the bottom of second foundation ditch has laid the backup pad, the bottom of tunnel is provided with two logical grooves, two logical inslots have moved the shallow, the shallow front end and rear end all fixedly connected with pull ring, the inside front side and the inside rear side of shallow all are provided with the sliding tray, the inside of two sliding trays all is provided with the sliding box, the threaded connection has the screw rod inside the sliding box, the screw rod rotates with the shallow to be connected, the shallow front end and rear end all fixedly connected with the motor, two motor output respectively with the front end fixed connection of two screw rods, the sliding box is inside to slide to be provided with the slide; the length of the foundation pit is reduced, the area occupied by the land is reduced, the efficiency of installing the hole penetrating steel pipe is improved, the installation cost is reduced, and the concrete pipe can be prevented from being collided and damaged by cracks.

Description

A foundation ditch structure for hole passes steel pipe installation

Technical Field

The utility model relates to a tunnel hole poling construction technical field, concretely relates to a foundation ditch structure for hole poling steel pipe installation.

Background

As is known, a construction process of a hole penetrating pipe is adopted in certain project of south-to-north water transfer, and the process is mainly used for the condition that a water delivery line is crossed with an existing road. Arranging jacking pits and receiving pits at two sides of a highway, jacking a concrete pipe in a mechanical pipe jacking mode, penetrating the concrete pipe from the lower part of the highway, and penetrating a steel pipe in the concrete pipe through a hole; finally, self-compacting concrete is adopted to pour an interlayer between the concrete pipe and the hole penetrating steel pipe, and a utility model patent with the publication number of CN211621598U discloses a foundation pit structure for installing the hole penetrating steel pipe, which approximately comprises a first foundation pit and a second foundation pit excavated at the bottom of the first foundation pit; the first foundation pit adopts a slope-caving excavation composite soil nailing wall support; the bottom of the first foundation pit and the opening of the second foundation pit are provided with platforms, and the second foundation pit is U-shaped. Before the steel pipe is worn in the installation hole, need excavate the tunnel in the bottom of highway, then hang the concrete pipe to the inside of the other foundation ditch of highway, and push away the inside of concrete pipe to the tunnel through the inside pipe jacking equipment of foundation ditch, the length of foundation ditch needs to be greater than concrete pipe and pipe jacking equipment total length, the length of foundation ditch is longer, a large amount of soil that not only occupy, and increased the time excavated to the foundation ditch, the efficiency of the steel pipe installation is worn in the hole has been reduced, the cost of installation has been increased, in addition when pushing away the concrete pipe to inside the tunnel, the concrete pipe can collide with the stone of tunnel bottom sometimes, lead to the concrete pipe crack damage to appear easily.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a foundation ditch structure for wearing steel pipe installation in hole to solve the problem that proposes in the above-mentioned background art.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a foundation pit structure for installing a through-hole steel pipe comprises a first foundation pit arranged in a tunnel, wherein a second foundation pit is arranged at the bottom end of the first foundation pit, a supporting plate is laid at the bottom end of the second foundation pit, two through grooves are formed in the bottom end of the tunnel, a trolley is moved inside the two through grooves, pull rings are fixedly connected to the front end and the rear end of the trolley, sliding grooves are formed in the front side and the rear side of the inside of the trolley, sliding boxes are arranged inside the two sliding grooves, screw rods are connected to the inside of the sliding boxes in a threaded manner and rotatably connected with the trolley, motors are fixedly connected to the front end and the rear end of the trolley, the output ends of the two motors are fixedly connected with the front ends of the two screw rods respectively, a sliding seat is arranged inside the sliding box in a sliding manner, and two first electric cylinders are fixedly connected to the sliding seat, two first electric cylinder bottom all with the inside bottom fixed connection of slip case, the inside of slide is provided with first spout, and the inside of first spout slides and is provided with the slide, the top of slide and the equal fixedly connected with damping spring in bottom, the first splint of top fixedly connected with of the slide that is located the rear side, the top fixedly connected with second splint that is located the slide of front side, the top front side and the top rear side of shallow all are provided with the bar groove, two bar grooves respectively with two sliding tray intercommunications, the upside that the slide runs through and extends to the shallow is run through on the top of first splint and second splint, first splint and second splint and bar groove sliding fit, the one end that first splint and second splint are relative all is provided with the draw-in groove, the inside card of draw-in groove has the concrete pipe.

Preferably, the equal fixedly connected with fixing base of the one end that first splint and second splint carried on the back mutually, the top of fixing base is provided with the second spout, the inside slip of second spout is provided with the supporting seat, the top of supporting seat is provided with the recess, the inside of recess is rotated and is connected with supporting roller, the electronic jar of bottom fixedly connected with second of fixing base, the telescopic link of the electronic jar of second extend to the inside of second spout and with the bottom fixed connection of supporting seat.

Furthermore, a plurality of supporting blocks are placed in the concrete pipe, and two adjacent supporting blocks are connected through an arc-shaped plate.

Still further, the left end and the right-hand member of shallow are a plurality of spacing gyro wheels of equal fixedly connected with.

As a further scheme of the scheme, guard plates are paved on the side walls of the first foundation pit and the second foundation pit, anchor rods are installed on the guard plates, and the anchor rods penetrate into the soil on the side walls of the first foundation pit and the second foundation pit.

As a further scheme of the scheme, the bottom end surfaces of the two through grooves are flush with the top end surface of the supporting plate.

Advantageous effects

Compared with the prior art, the utility model provides a foundation ditch structure for hole-through steel pipe installation possesses following beneficial effect:

1. the utility model discloses in, hang the concrete pipe to the upside of two shallow of second foundation ditch inside, it rotates to drive two screws rods through two motors, make first splint and second splint remove to the centre, make the both ends of concrete pipe insert respectively inside the draw-in groove on first splint and the second splint, then promote the concrete pipe rebound through first electronic jar, make the concrete pipe insert the inside to the tunnel, and make the bottom of concrete pipe and the inside of tunnel leave the clearance, tie wire rope on the pull ring through the draw-off device of the foundation ditch internally mounted of road opposite side, stimulate two shallow and remove in the inside of two logical grooves, and penetrate the concrete pipe to the inside of tunnel, the length of foundation ditch can put down the concrete pipe, the space that the push pipe equipment occupy has been reduced, the length of foundation ditch has been reduced, the area that occupies the ground has been reduced, the efficiency of hole through steel pipe installation has been improved, the cost of installation has been reduced.

2. The utility model discloses in, can play the shock attenuation effect through damping spring, when the concrete pipe bumps with the inside stone of tunnel, the concrete pipe can receive the thrust rebound of stone, slows down the dynamics to the concrete pipe striking, avoids the concrete pipe bump crack damage to appear.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a side sectional view of the cart of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;

fig. 5 is an enlarged schematic structural view of the present invention at C in fig. 1.

1. A first foundation pit; 2. a second foundation pit; 3. a support plate; 4. pushing a cart; 5. a pull ring; 6. a first splint; 7. a slide box; 8. a screw; 9. a motor; 10. a slide base; 11. a first electric cylinder; 12. a slide plate; 13. a damping spring; 14. a second splint; 15. a concrete pipe; 16. a fixed seat; 17. a supporting seat; 18. supporting the rollers; 19. a second electric cylinder; 20. a support block; 21. an arc-shaped plate; 22. limiting the idler wheel; 23. a guard plate; 24. an anchor rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Please refer to fig. 1-5, which is a foundation pit structure for installing a through hole steel pipe, and includes a tunnel and a first foundation pit 1, wherein a second foundation pit 2 is disposed at a bottom end of the first foundation pit 1, a guard plate 23 is disposed on side walls of the first foundation pit 1 and the second foundation pit 2, an anchor rod 24 is mounted on the guard plate 23, the anchor rod 24 penetrates into soil on side walls of the first foundation pit 1 and the second foundation pit 2 to prevent soil on the side walls of the first foundation pit 1 and the second foundation pit 2 from falling off, a support plate 3 is disposed at a bottom end of the second foundation pit 2, two through grooves are disposed at a bottom end of the tunnel, bottom end surfaces of the two through grooves are flush with top end surfaces of the support plate 3 to facilitate movement of the cart 4 in the second foundation pit 2 and the through grooves, the cart 4 is moved in the through grooves, a plurality of limiting rollers 22 are fixedly connected to left and right ends of the cart 4 to play a limiting role, and ensure that the cart 4 travels in the through grooves, the front end and the rear end of the cart 4 are both fixedly connected with pull rings 5, the front side and the rear side of the interior of the cart 4 are both provided with sliding grooves, the interior of the two sliding grooves is both provided with a sliding box 7, the interior of the sliding box 7 is in threaded connection with a screw 8, the screw 8 is in rotational connection with the cart 4, the front end and the rear end of the cart 4 are both fixedly connected with motors 9, the output ends of the two motors 9 are respectively and fixedly connected with the front ends of the two screws 8, the interior of the sliding box 7 is provided with a sliding seat 10 in a sliding manner, the sliding seat 10 is fixedly connected with two first electric cylinders 11, the bottom ends of the two first electric cylinders 11 are both fixedly connected with the bottom end of the interior of the sliding box 7, the interior of the sliding seat 10 is provided with a first sliding groove, the interior of the first sliding groove is provided with a sliding plate 12 in a sliding manner, the top end and the bottom end of the sliding plate 12 are both fixedly connected with damping springs 13, and the damping effect can be achieved through the damping springs 13, when the concrete pipe 15 collides with the stone inside the tunnel, the concrete pipe 15 can move upwards under the thrust of the stone, the force for impacting the concrete pipe 15 is reduced, the concrete pipe 15 is prevented from being damaged by cracks due to collision, the top end of the sliding plate 12 positioned at the rear side is fixedly connected with a first clamping plate 6, the top end of the sliding plate 12 positioned at the front side is fixedly connected with a second clamping plate 14, the front side and the rear side of the top end of the trolley 4 are respectively provided with a strip-shaped groove, the two strip-shaped grooves are respectively communicated with the two sliding grooves, the top ends of the first clamping plate 6 and the second clamping plate 14 penetrate through the sliding seat 10 and extend to the upper side of the trolley 4, the first clamping plate 6 and the second clamping plate 14 are in sliding fit with the strip-shaped grooves, one ends of the first clamping plate 6 and the second clamping plate 14, the concrete pipe 15 is clamped inside the clamping grooves, the concrete pipe 15 is hung to the upper sides of the two trolleys 4 inside the second foundation pit 2, two motors 9 drive two screw rods 8 to rotate, so that the first clamping plate 6 and the second clamping plate 14 move towards the middle, two ends of a concrete pipe 15 are respectively inserted into clamping grooves on the first clamping plate 6 and the second clamping plate 14, then the first electric cylinder 11 pushes the concrete pipe 15 to move upwards, so that the concrete pipe 15 is inserted into the tunnel, a gap is reserved between the bottom end of the concrete pipe 15 and the inside of the tunnel, a steel wire rope is fastened on the pull ring 5 through a traction device arranged in a foundation pit at the other side of a road, two trolleys 4 are pulled to move in the two through grooves, the concrete pipe 15 is penetrated into the tunnel, the length of the foundation pit can be reduced by putting down the concrete pipe 15, the space occupied by pipe jacking equipment is reduced, the length of the foundation pit is reduced, the area occupied by land is reduced, and the efficiency of steel pipe through tunnel installation is improved, the cost of installation is reduced.

It should be further noted that, the fixing seat 16 is fixedly connected to the opposite ends of the first clamping plate 6 and the second clamping plate 14, the second sliding groove is formed in the top end of the fixing seat 16, the supporting seat 17 is arranged inside the second sliding groove in a sliding mode, a groove is formed in the top end of the supporting seat 17, the supporting roller 18 is connected to the inside of the groove in a rotating mode, the second electric cylinder 19 is fixedly connected to the bottom end of the fixing seat 16, an expansion rod of the second electric cylinder 19 extends into the second sliding groove and is fixedly connected with the bottom end of the supporting seat 17, the supporting seat 17 is pushed to move up and down through the second electric cylinder 19, the hole penetrating steel pipe is supported to enable the bottom end of the hole penetrating steel pipe to be separated from the supporting block 20, the hole penetrating steel pipe is convenient to penetrate into the concrete pipe 15, the plurality of supporting blocks 20 are placed in the concrete pipe 15, the two adjacent supporting blocks 20 are connected through the arc-shaped plate 21, the hole penetrating steel pipe is supported through the supporting block 20, the first clamping plate 6 and the second clamping plate 14 are convenient to be detached from the concrete pipe 15, the middle position of the hole penetrating steel pipe 15, and pouring of the concrete pipe is convenient.

To sum up, in the foundation pit structure for installing the through-hole steel pipe, when in use, the concrete pipe 15 is hung to the upper sides of the two trolleys 4 in the second foundation pit 2, the two motors 9 drive the two screw rods 8 to rotate, the first clamping plate 6 and the second clamping plate 14 move towards the middle, the two ends of the concrete pipe 15 are respectively inserted into the clamping grooves on the first clamping plate 6 and the second clamping plate 14, then the first electric cylinder 11 pushes the concrete pipe 15 to move upwards, the concrete pipe 15 is inserted into the tunnel, a gap is reserved between the bottom end of the concrete pipe 15 and the inside of the tunnel, the steel wire rope is tied on the pull ring 5 through the traction device arranged in the foundation pit on the other side of the road, the two trolleys 4 are pulled to move in the two through grooves, and the concrete pipe 15 is penetrated into the tunnel, then, a supporting block 20 is placed in the concrete pipe 15, the supporting seat 17 is pushed to move upwards through the second electric cylinder 19, the side end of the supporting roller 18 moves to the upper side of the supporting block 20, the hole penetrating steel pipe is hoisted onto the supporting roller 18, the hole penetrating steel pipe penetrates into the concrete pipe 15 through rolling of the hole penetrating steel pipe on the supporting roller, the supporting seat 17 is pulled to move downwards through the second electric cylinder 19, the supporting block 20 supports the hole penetrating steel pipe, the first clamping plate 6 and the second clamping plate 14 are pulled to move downwards through the first electric cylinder 11, the first clamping plate 6, the second clamping plate 14 and the supporting roller 18 move to the position below the concrete pipe 15, the trolley 4 is pulled out of the through groove, and then a gap between the hole penetrating steel pipe and the concrete pipe 15 is poured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch structure for mounting of hole steel pipe, is including setting up first foundation ditch (1) in the tunnel, its characterized in that: the bottom of the first foundation pit (1) is provided with a second foundation pit (2), a supporting plate (3) is laid at the bottom of the second foundation pit (2), two through grooves are formed in the upper portion of the supporting plate (3), a trolley (4) is arranged in each through groove, pull rings (5) are connected to the front end and the rear end of each trolley (4), sliding boxes (7) are connected to the front end and the rear end of the inner portion of each trolley (4) through the corresponding sliding groove, a screw (8) is connected to the inner threads of each sliding box (7), the screw (8) is rotatably connected with the trolley (4), motors (9) are fixedly connected to the front end and the rear end of each trolley (4), the output ends of the two motors (9) are respectively connected with the two screws (8), a sliding seat (10) is slidably arranged in the inner portion of each sliding box (7), two first electric cylinders (11) are fixedly connected to the sliding box (7), a sliding plate (12) is slidably connected to the inner portion of each sliding box (10) through the corresponding sliding groove, the top and the bottom of each sliding plate (12) are fixedly connected with a damping spring (13), a clamping plate (12) at the rear side of the sliding plate (6), and a clamping plate (14) is fixed on the top of the front side of the sliding plate (12); the side all is provided with the bar groove around shallow (4) top, and two bar grooves communicate with two sliding grooves respectively, and slide (10) are run through and extend to the upside of shallow (4) on the top of first splint (6) and second splint (14), first splint (6) and second splint (14) and bar groove sliding fit, and the one end that first splint (6) and second splint (14) are relative all is provided with the draw-in groove, and the inside card of draw-in groove is equipped with concrete pipe (15).

2. The foundation pit structure for installing the through-hole steel pipe as claimed in claim 1, wherein: first splint (6) and second splint (14) one end of carrying on the back mutually all are connected with fixing base (16), and there is supporting seat (17) at fixing base (16) top through seting up second spout sliding connection, and the top of supporting seat (17) is rotated through seting up the recess and is connected with supporting roller (18), and the bottom mounting of fixing base (16) has electronic jar of second (19), and the telescopic link of electronic jar of second (19) extends to the inside and supporting seat (17) fixed connection of second spout.

3. The foundation pit structure for installing the through-hole steel pipe as claimed in claim 1, wherein: a plurality of supporting blocks (20) are placed in the concrete pipe (15), and two adjacent supporting blocks (20) are connected through an arc-shaped plate (21).

4. The foundation pit structure for installing the through-hole steel pipe as claimed in claim 1, wherein: the two sides of the cart (4) are provided with a plurality of limiting idler wheels (22).

5. The foundation pit structure for installing the through-hole steel pipe as claimed in claim 1, wherein: guard plates (23) are laid on the side walls of the first foundation pit (1) and the second foundation pit (2), anchor rods (24) are installed on the guard plates (23), and the anchor rods (24) penetrate into soil on the side walls of the first foundation pit (1) and the second foundation pit (2).