CN215165611U

CN215165611U - Filling device for grouting at bottom of culvert pipe in tunnel

Info

Publication number: CN215165611U
Application number: CN202120455413.4U
Authority: CN
Inventors: 刘家奎; 董和婧; 董瑞刚; 袁海峰; 李璐; 叶和军; 王瑞
Original assignee: Anhui China Tunnel Diankai Construction Engineering Co ltd
Current assignee: Anhui China Tunnel Diankai Construction Engineering Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-12-14
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a filling device for grouting the bottom of a culvert pipe in a tunnel, which comprises a culvert pipe, wherein the bottom of the culvert pipe is embedded in a soil loosening part, the outer side surface of the culvert pipe is provided with culvert pipe wave troughs, the bottom surface of the culvert pipe wave troughs is in movable contact with a semicircular grouting pipe, the top of the grouting pipe is fixedly provided with a connecting pipe, the grouting pipe is provided with a plurality of uniformly distributed grouting through holes, the top of the grouting pipe is fixedly provided with a connecting flange, supporting arms are arranged in parallel below the connecting flange, the grouting pipe is grouted by the connecting pipe fixedly connected with the top of the grouting pipe, the pipe body of the grouting pipe is provided with uniformly distributed grouting through holes, slurry flows out of the grouting through holes and flows into the soil loosening part to be fixed on the soil loosening part, the device has simple structure, convenient construction and good effect, solves the problem of insufficient base strength below a gallery of an underground pipe, and provides technical support for the culvert pipe installed in the tunnel, has remarkable social and economic benefits.

Description

Filling device for grouting at bottom of culvert pipe in tunnel

Technical Field

The utility model relates to an interior culvert pipe filling equipment technical field specifically is a filling device to culvert pipe bottom slip casting in tunnel.

Background

The culvert pipe is a pipeline buried below the ground surface and cast by reinforced concrete, is commonly called as a cement pipe, is also made of metal materials, is used as a water diversion pipeline under a full-section cofferdam and is used as a water delivery pipeline under the general condition, and is used as a water supply and drainage pipeline in most cities in China and is used as a culvert pipe by a plurality of cement pipes;

along with the acceleration of urban construction and the progress of technology, use the culvert pipe in the inside facility of tunnel at first using widely in a large number, use the culvert pipe have the structure standard, not fragile, easy maintenance, construction speed advantage such as fast, be the direction of municipal construction underground facilities development. But discovery in the construction of culvert pipe, the position of loosening the soil of the bottom below the culvert pipe that is circular arc is difficult for the compaction at backfill in-process, hardly reach the density degree of requirement, because the soil property at this position is soft, the culvert pipe will take place to warp under upper portion pressurized state, the structural strength of culvert pipe has directly been influenced, the life of culvert pipe has been reduced, how to improve the backfill quality of culvert pipe circular arc bottom below is the problem that awaits for a long time in the construction, for this reason we propose a filling device to culvert pipe bottom slip casting in the tunnel and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filling device to culvert pipe bottom slip casting in tunnel to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a filling device for grouting the bottom of a culvert pipe in a tunnel comprises a culvert pipe, wherein the bottom of the culvert pipe is embedded in a soil loosening part, the surface of the outer side of the culvert pipe is provided with culvert pipe troughs, the bottom surfaces of the culvert pipe troughs are in movable contact with semicircular grouting pipes, connecting pipes are fixedly mounted at the tops of the grouting pipes, a plurality of uniformly distributed grouting through holes are formed in the grouting pipes, connecting flanges are fixedly mounted at the tops of the grouting pipes, supporting arms are arranged below the connecting flanges in parallel, one side of each supporting arm, which is close to each grouting pipe, is fixedly connected with a limiting ring, each grouting pipe is placed in the limiting ring, two sides of each grouting pipe are in movable contact with a circular arc-shaped gripping clamp, one end of a reset spring is fixedly connected to the side surface of each gripping clamp, and the other end of the reset spring is fixedly connected to the inner wall of the limiting ring;

support arm side fixed connection is on the movable rod, the conical screw thread piece of movable rod bottom fixedly connected with, and the screw thread piece is pegged graft in the underground position, and the movable rod runs through the support frame, support frame both sides fixed connection support column, and the movable groove of rectangle is seted up at the support frame middle part, and movable inslot swing joint has the threaded rod, and the threaded rod runs through the movable rod middle part, and threaded rod and movable rod screwed connection, threaded rod one side fixedly connected with motor, motor fixed connection is in the support frame outside.

Preferably, the slip casting pipe is provided with a plurality ofly, and the slip casting pipe top all connects through the connecting pipe, unified slip casting, and the quantity of slip casting pipe is the same with the quantity of support arm, and the movable rod sets up the multiunit, and the support column is buried underground and is played the supporting role in the underground.

Preferably, the gripping clamp is provided with two groups for limiting the grouting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: before use, the number of grouting pipes to be used is determined according to the length of the culvert pipe, the grouting pipes are placed at the bottom of the culvert pipe, the culvert pipe is placed in a soil loosening part, so that the soil loosening part needs to be reinforced, the grouting pipes are fixedly connected with supporting arms, the positions of the grouting pipes are fixed by limiting rings fixedly connected with the supporting arms, gripping clamps are arranged in the limiting rings, the gripping clamps can be suitable for grouting pipes with different specifications and diameters, the practicability is improved, the supporting arms are fixedly connected with movable rods, the movable rods are spirally connected onto threaded rods, the movable rods penetrate through the supporting frames and extend into underground parts, threaded blocks are fixedly connected at the bottoms of the movable rods, the threaded blocks are buried underground to play a supporting role, rectangular movable grooves are formed in the supporting frames, the threaded rods are connected into the movable grooves, one ends of the threaded rods are fixedly connected with the output ends of motors, the motors are turned on, and the threaded rods carry out circular motion, the movable rod connected to the threaded rod starts to move linearly, and the worker adjusts the position of the movable rod, namely the position of the grouting pipe.

When the device works, grouting is carried out in the grouting pipe through the connecting pipe fixedly connected with the top of the grouting pipe, the pipe body of the grouting pipe is provided with the grouting through holes which are uniformly distributed, slurry flows out of the grouting through holes and flows into the soil loosening part, and the soil loosening part is fixed.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged structural view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the structure of the middle support frame of the present invention.

In the figure: the soil-loosening device comprises a culvert pipe 1, a culvert pipe trough 2, a soil-loosening part 3, an underground part 4, a grouting pipe 5, a grouting through hole 6, a connecting pipe 7, a connecting flange 8, a supporting arm 9, a limiting ring 901, a grabbing clamp 902, a reset spring 903, a movable rod 10, a supporting frame 11, a movable groove 1101, a supporting column 12, a thread block 13, a motor 14 and a threaded rod 15.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a filling device for grouting the bottom of a culvert pipe in a tunnel comprises a culvert pipe 1, wherein the bottom of the culvert pipe 1 is embedded in a soil loosening part 3, the outer side surface of the culvert pipe 1 is provided with culvert pipe wave troughs 2, the bottom surfaces of the culvert pipe wave troughs 2 are movably contacted with semicircular grouting pipes 5, the tops of the grouting pipes 5 are fixedly provided with connecting pipes 7, the grouting pipes 5 are provided with a plurality of uniformly distributed grouting through holes 6, the tops of the grouting pipes 5 are fixedly provided with connecting flanges 8, supporting arms 9 are arranged below the connecting flanges 8 in parallel, one side of each supporting arm 9, which is close to each grouting pipe 5, is fixedly connected with a limiting ring 901, each grouting pipe 5 is placed in the limiting ring 901, the two sides of each grouting pipe 5 are movably contacted with arc-shaped grippers 902, the side surfaces of each gripper 902 are fixedly connected with one end of a reset spring 903, and the other end of the reset spring 903 is fixedly connected to the inner wall of the limiting ring 901;

9 side fixed connection of support arm is on movable rod 10, the conical screw thread piece 13 of 10 bottom fixedly connected with of movable rod, screw thread piece 13 is pegged graft in underground position 4, movable rod 10 runs through

support frame

11, 11 both sides fixed connection support columns 12 of support frame, rectangular movable groove 1101 is seted up at support frame 11 middle part, swing joint has threaded rod 15 in the movable groove 1101, threaded rod 15 runs through movable rod 10 middle part, and threaded

rod

15 and 10 threaded connection of movable rod, 15 one side fixedly connected with motor 14 of threaded rod, 14 fixed connection of motor is in the 11 outsides of support frame.

Slip casting pipe 5 is provided with a plurality ofly, and the slip casting pipe 5 top all connects through connecting pipe 7, unified slip casting, and the quantity of slip casting pipe 5 is the same with the quantity of support arm 9, and movable rod 10 sets up the multiunit, and support column 12 buries underground and plays the supporting role in position 4.

The gripper 902 is provided with two sets of stops for the grout pipe 5.

The working principle is as follows: the utility model determines the number of grouting pipes 5 to be used according to the length of the culvert pipe 1 before use, the grouting pipes 5 are placed at the bottom of the culvert pipe 1, the culvert pipe 1 is placed in the soil loosening part 3, therefore, the soil loosening part 3 needs to be reinforced, the grouting pipes 5 are fixedly connected with the supporting arms 9, the position of the grouting pipes 5 is fixed by the spacing rings 901 fixedly connected with the supporting arms 9, the inside of the spacing rings 901 is provided with the grippers 902, the grippers 902 can be suitable for the grouting pipes 5 with different specification diameters, the practicability is increased, the supporting arms 9 are fixedly connected with the movable rods 10, the movable rods 10 are spirally connected with the threaded rods 15, the movable rods 10 extend into the underground part 4 after penetrating through the supporting frame 11, the bottom of the movable rods 10 is fixedly connected with the threaded blocks 13, the threaded blocks 13 are buried underground to play a supporting role, the rectangular movable groove 1101 is arranged on the supporting frame 11, the threaded rods 15 are connected in the movable groove 1101, one end of threaded rod 15 is fixedly connected with the output end of motor 14, motor 14 is turned on, motor 14 drives threaded rod 15 to do circular motion, movable rod 10 connected to threaded rod 15 starts to do linear motion, and the worker adjusts the position of movable rod 10, namely the position of grouting pipe 5.

The utility model discloses at the during operation, carry out the slip casting in 5 to slip casting pipe through 5 top fixed connection's of slip casting pipe connecting pipe 7, set up the even slip casting through-hole 6 of distribution on the pipe shaft of slip casting pipe 5, the thick liquid flows out from slip casting through-hole 6, and the position 3 that loosens the soil is loosened in the inflow, fixes to the position 3 that loosens the soil.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 filling device to culvert pipe bottom slip casting in tunnel, includes culvert pipe (1), culvert pipe (1) bottom is buried underground in position (3) loosens the soil, its characterized in that: the outer side surface of the culvert pipe (1) is provided with culvert pipe wave troughs (2), the bottom surfaces of the culvert pipe wave troughs (2) are movably contacted with semicircular grouting pipes (5), the top of the grouting pipe (5) is fixedly provided with a connecting pipe (7), the grouting pipe (5) is provided with a plurality of uniformly distributed grouting through holes (6), a connecting flange (8) is fixedly arranged at the top of the grouting pipe (5), a supporting arm (9) is arranged below the connecting flange (8) in parallel, one side of the supporting arm (9) close to the grouting pipe (5) is fixedly connected with a limiting ring (901), the grouting pipe (5) is placed in the limiting ring (901), two sides of the grouting pipe (5) are movably contacted with the arc-shaped gripping clamp (902), the side surface of the gripping clamp (902) is fixedly connected with one end of a return spring (903), and the other end of the return spring (903) is fixedly connected to the inner wall of the limiting ring (901);

support arm (9) side fixed connection is on movable rod (10), conical screw block (13) of movable rod (10) bottom fixedly connected with, screw block (13) are pegged graft in underground position (4), support frame (11) are run through in movable rod (10), support frame (11) both sides fixed connection support column (12), movable groove (1101) of rectangle are seted up at support frame (11) middle part, swing joint has threaded rod (15) in movable groove (1101), threaded rod (15) run through movable rod (10) middle part, just threaded rod (15) and movable rod (10) threaded connection, threaded rod (15) one side fixedly connected with motor (14), motor (14) fixed connection is in the support frame (11) outside.

2. The grouting device for the bottom of the culvert pipe in the tunnel according to claim 1, characterized in that: slip casting pipe (5) are provided with a plurality ofly, just slip casting pipe (5) top all connects through connecting pipe (7), the quantity of slip casting pipe (5) is the same with the quantity of support arm (9), movable rod (10) set up the multiunit, support column (12) are buried underground and are played the supporting role in underground position (4).

3. The grouting device for the bottom of the culvert pipe in the tunnel according to claim 1, characterized in that: the gripping clamp (902) is provided with two groups of limiting devices for limiting the grouting pipes (5).