CN220203899U

CN220203899U - Balanced push bench

Info

Publication number: CN220203899U
Application number: CN202321820796.6U
Authority: CN
Inventors: 李邦仁; 霍磊; 李伟超; 侯少雷
Original assignee: China Construction Second Engineering Bureau Civil Engineering Group Co Ltd
Current assignee: China Construction Second Engineering Bureau Civil Engineering Group Co Ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2023-12-19
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a balanced pipe pushing machine, which belongs to the technical field of balanced pipe pushing machines and comprises a balanced pipe pushing machine body, wherein a cutter head body is arranged at the front end of the balanced pipe pushing machine body, a central cutter is arranged at the front side of the cutter head body, a sleeving mechanism is arranged between the central cutter and the cutter head body, a plurality of evenly distributed slurry access holes are drilled at the front end of the cutter head body, auxiliary cutter bodies are arranged in the slurry access holes, and movable loading and unloading mechanisms are arranged between the auxiliary cutter bodies and the slurry access holes.

Description

Balanced push bench

Technical Field

The utility model relates to the technical field of balanced push bench, in particular to a balanced push bench.

Background

In modern urban construction, pipeline construction is often required in downtown areas, and in order to solve the problems of damage to urban buildings and blockage of road traffic caused by pipeline construction, a non-excavation technology for directly excavating underground is invented, and a balanced pipe jacking machine is one of important equipment used for the non-excavation technology. The balanced pipe-jacking machine does not need to excavate a surface layer, and can pass through roads, railways, river, ground buildings, underground structures, various underground pipelines and the like. The balanced pipe jacking machine mainly utilizes the theory of air pressure balance, mud-water balance and soil pressure balance, and in the construction, by means of the thrust between the main jacking oil cylinder and the pipeline, a tool pipe or a heading machine is pushed from the working well to the receiving well through the soil layer to be hoisted, so that the installation of the pipeline is realized

The cutting cutterhead is a main device for cutting the soil of the push bench, is arranged at the end head of the push bench and is used for tunneling, breaking the soil and breaking the rock. At present, the main cutter on the cutting cutter head is matched with a plurality of auxiliary cutters at the periphery to crush and penetrate soil or broken stone, and the main cutter and the plurality of auxiliary cutters are easy to wear or damage in the long-term working process so as to influence the subsequent crushing work, but in the actual use process, most of the main cutters on the cutting cutter head are movably installed with the main cutter head and can be detached, and the plurality of auxiliary cutters are integrated with the cutting cutter head due to the large number and wide distribution, so that the auxiliary cutters are inconvenient to detach, therefore, when part of auxiliary cutters are damaged, the cutting cutter head is required to be detached or replaced integrally, the auxiliary cutters are more troublesome, meanwhile, the resource waste is caused, and the use cost is increased.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a balanced pipe jacking machine, which can respectively drive a plurality of auxiliary cutter bodies and a cutter head body to be independently installed through a plurality of movable loading and unloading mechanisms to replace integrated manufacturing, so that after part of auxiliary cutter bodies are worn, corresponding independent disassembly and replacement can be carried out, the whole disassembly and replacement of the cutter head body are not needed, the pipe jacking machine is convenient and quick, meanwhile, the resource waste is reduced, and the use cost is reduced.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a balanced push bench, includes balanced push bench body, the blade disc body is installed to the front end of balanced push bench body, the front side of blade disc body is equipped with central cutter, and is equipped with the suit mechanism between central cutter and the blade disc body, the front end of blade disc body is excavated and is had a plurality of evenly distributed's mud access hole, a plurality of the inside of mud access hole all is equipped with auxiliary cutter body, and is equipped with movable loading and unloading mechanism between auxiliary cutter body and the mud access hole.

Further, the sleeving mechanism comprises a sleeving frame fixedly connected with the rear end of the central cutter, the front end of the cutter head body is fixedly connected with a disc, the inner wall of the sleeving frame is in close contact with the outer end of the disc, a plurality of uniformly distributed fixing bolts are connected with the outer end of the sleeving frame in a threaded manner, a plurality of bolt grooves are cut in the outer end of the disc, and the fixing bolts are connected with the disc through the bolt grooves.

Further, a plurality of movable handling mechanism all includes the linking frame with mud access hole inner wall fixed connection, the fixed block has been cup jointed to the outer end of linking frame, the rear end fixedly connected with of supplementary cutter body is a pair of picture peg, the front end of fixed block has seted up a pair of slot, and the picture peg is located the slot, the outside of fixed block is equipped with a pair of screw thread dead lever, be equipped with a pair of screw thread fixed slot between linking frame and fixed block and a pair of picture peg, and screw thread dead lever and screw thread fixed slot threaded connection, the inside of linking frame is equipped with collision subassembly.

Further, the collision component comprises a plurality of elastic collision small balls and a tension rope, wherein the elastic collision small balls are sleeved at the outer ends of the tension rope, and the outer ends of the tension rope are fixedly connected with the inner wall of the connecting frame.

Further, the upper end of the balance pipe jacking machine body is fixedly connected with a pair of lifting hooks.

3. Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the utility model, in the working process of balancing the pipe jacking machine body and the cutter head body to drive the central cutter and the plurality of auxiliary cutter bodies, the sleeving mechanism can drive the central cutter and the cutter head body to be conveniently installed and detached, so that after the central cutter is worn in use, the central cutter is conveniently replaced, the interference to subsequent work is avoided, and the use effect is enhanced.

(2) According to the utility model, the plurality of movable loading and unloading mechanisms respectively drive the plurality of auxiliary cutter bodies and the cutter head body to be independently installed, so that the integrated manufacturing is replaced, and after the part of auxiliary cutter bodies are worn, the corresponding independent disassembly and replacement can be performed, the integral disassembly and replacement of the cutter head body are not needed, the convenience and the rapidness are realized, the resource waste is reduced, and the use cost is reduced.

(3) According to the utility model, the collision assembly vibrates when the slurry inlet and outlet holes and the connecting frame are impacted back and forth in the rotating working process of the connecting frame, so that the slurry clusters adhered to the surface of the collision assembly are loosened, and are discharged, so that the residues are reduced, the blocking is avoided, and the working effect is enhanced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the sleeving mechanism of the utility model;

FIG. 3 is a schematic perspective view of the movable loading and unloading mechanism of the present utility model;

FIG. 4 is a schematic cross-sectional view of the movable loading and unloading mechanism of the present utility model.

The reference numerals in the figures illustrate:

1. balance the pipe jacking machine body; 2. a cutterhead body; 3. a center cutter; 4. a sleeving mechanism; 401. a sleeve frame; 402. a disc; 403. a fixing bolt; 404. a bolt slot; 5. a mud inlet and outlet hole; 6. an auxiliary cutter body; 7. a movable loading and unloading mechanism; 701. a connection frame; 702. a fixed block; 703. inserting plate; 704. a slot; 705. a threaded fixing rod; 706. a thread fixing groove; 8. a collision assembly; 801. spring force collision small ball; 802. a tension rope; 9. and (5) a lifting hook.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a balanced pipe jacking machine comprises a balanced pipe jacking machine body 1, a cutter head body 2 is mounted at the front end of the balanced pipe jacking machine body 1, a central cutter 3 is arranged at the front side of the cutter head body 2, a sleeving mechanism 4 is arranged between the central cutter 3 and the cutter head body 2, a plurality of evenly distributed slurry inlet and outlet holes 5 are drilled at the front end of the cutter head body 2, auxiliary cutter bodies 6 are arranged in the slurry inlet and outlet holes 5, and a movable loading and unloading mechanism 7 is arranged between the auxiliary cutter bodies 6 and the slurry inlet and outlet holes 5.

In the use process, in the working process of balancing the pipe jacking machine body 1 and the cutter head body 2 to drive the central cutter 3 and the plurality of auxiliary cutter bodies 6, the sleeving mechanism 4 can drive the central cutter 3 and the cutter head body 2 to be conveniently installed and detached, so that after the central cutter 3 is worn, the central cutter 3 is conveniently replaced, the interference to the subsequent work is avoided, and the use effect is enhanced;

the movable loading and unloading mechanisms 7 respectively drive the auxiliary cutter bodies 6 to be independently mounted with the cutter head body 2 to replace integrated manufacturing, so that after the auxiliary cutter bodies 6 are worn, the corresponding independent disassembly and replacement can be performed, the integral disassembly and replacement of the cutter head body 2 are not needed, the convenience and the rapidness are realized, the resource waste is reduced, and the use cost is reduced;

in addition, when the collision component 8 impacts the connection frame 701 back and forth in the rotation working process of the slurry inlet and outlet hole 5 and the connection frame 701, the connection frame 701 is vibrated, so that the mud mass adhered to the surface of the connection frame is loosened, and is discharged, the residue is reduced, the blockage is avoided, and the working effect is enhanced.

Referring to fig. 1-2, the sleeving mechanism 4 comprises a sleeving frame 401 fixedly connected with the rear end of the central cutter 3, a disc 402 is fixedly connected with the front end of the cutter head body 2, the inner wall of the sleeving frame 401 is tightly contacted with the outer end of the disc 402, a plurality of uniformly distributed fixing bolts 403 are connected with the outer end of the sleeving frame 401 in a threaded manner, a plurality of bolt grooves 404 are cut into the outer end of the disc 402, and the fixing bolts 403 are connected with the disc 402 through the bolt grooves 404.

This scheme is in the use, and cover frame 401 cover is established on disc 402 to through the connection of fixing bolt 403 and bolt groove 404, make cover frame 401 be connected with disc 402, thereby realize convenient installation and the dismantlement between center cutter 3 and the blade disc body 2, can carry out convenient dismantlement and change when taking place the wearing and tearing in subsequent course of working, reinforcing result of use.

Referring to fig. 1 and fig. 3-4, the movable loading and unloading mechanisms 7 include a connection frame 701 fixedly connected to the inner wall of the slurry inlet and outlet hole 5, a fixing block 702 is sleeved at the outer end of the connection frame 701, a pair of insertion plates 703 are fixedly connected to the rear end of the auxiliary cutter body 6, a pair of insertion slots 704 are cut at the front end of the fixing block 702, the insertion plates 703 are located in the insertion slots 704, a pair of threaded fixing rods 705 are arranged on the outer sides of the fixing block 702, a pair of threaded fixing grooves 706 are arranged between the connection frame 701 and the fixing block 702 and between the pair of insertion plates 703, the threaded fixing rods 705 are in threaded connection with the threaded fixing grooves 706, and a collision assembly 8 is arranged inside the connection frame 701.

In the use of this scheme, picture peg 703 inserts in slot 704, then screw thread dead lever 705 inserts screw thread fixed slot 706 in carry out threaded connection, make supplementary cutter body 6 and link up frame 701 and fixed block 702 install together, thereby drive a plurality of supplementary cutter bodies 6 and independently install and dismantle with a plurality of mud access holes 5 respectively, replace the integration installation between a plurality of supplementary cutter bodies 6 and the blade disc body 2, make the supplementary cutter body 6 of part after taking place wearing and tearing, can dismantle alone and change the supplementary cutter body 6 of part of wearing and tearing, need not the whole dismantlement and the change of blade disc body 2, and convenient and fast reduces the wasting of resources simultaneously, reduce use cost.

Referring to fig. 4, the collision assembly 8 includes a plurality of elastic collision balls 801 and a tension rope 802, the elastic collision balls 801 are sleeved at the outer ends of the tension rope 802, and the outer ends of the tension rope 802 are fixedly connected with the inner wall of the connection frame 701.

In the use of this scheme, in the rotation process of auxiliary cutter body 6 and linking frame 701 along with cutter head body 2, elasticity collision ball 801 makes a round trip to collide with linking frame 701 inner wall under the assistance of pulling force rope 802, produces vibrations, makes the mud ball that is stained with easily take place not hard up and the hack, makes it be discharged, reduces and remains, avoids mud access hole 5 to take place to block up, reinforcing work effect.

Referring to fig. 1, a pair of hooks 9 are fixedly connected to the upper end of a balance jacking pipe body 1.

In the use of this scheme, through the setting of a pair of lifting hook 9, conveniently balance push pipe organism 1 by the hoist, reinforcing result of use.

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

Claims

1. The utility model provides a balanced push bench, includes balanced push bench body (1), its characterized in that: the front end of balanced push pipe organism (1) is installed blade disc body (2), the front side of blade disc body (2) is equipped with central cutter (3), and is equipped with suit mechanism (4) between central cutter (3) and blade disc body (2), the front end of blade disc body (2) is excavated has a plurality of evenly distributed's mud access hole (5), a plurality of the inside of mud access hole (5) all is equipped with supplementary cutter body (6), and is equipped with movable handling mechanism (7) between supplementary cutter body (6) and mud access hole (5).

2. The balanced push bench of claim 1, wherein: the sleeve mechanism (4) comprises a sleeve frame (401) fixedly connected with the rear end of the central cutter (3), the front end of the cutter head body (2) is fixedly connected with a disc (402), the inner wall of the sleeve frame (401) is in close contact with the outer end of the disc (402), a plurality of uniformly distributed fixing bolts (403) are connected with the outer end of the sleeve frame (401) in a threaded mode, a plurality of bolt grooves (404) are cut into the outer end of the disc (402), and the fixing bolts (403) are connected with the disc (402) through the bolt grooves (404).

3. The balanced push bench of claim 1, wherein: the movable loading and unloading mechanisms (7) comprise a connecting frame (701) fixedly connected with the inner wall of the slurry inlet and outlet hole (5), a fixed block (702) is sleeved at the outer end of the connecting frame (701), a pair of inserting plates (703) are fixedly connected with the rear end of the auxiliary cutter body (6), a pair of inserting grooves (704) are formed in the front end of the fixed block (702) in a cutting mode, the inserting plates (703) are located in the inserting grooves (704), a pair of threaded fixing rods (705) are arranged on the outer side of the fixed block (702), a pair of threaded fixing grooves (706) are formed between the connecting frame (701) and the fixed block (702) and the pair of inserting plates (703), the threaded fixing rods (705) are in threaded connection with the threaded fixing grooves (706), and collision assemblies (8) are arranged in the connecting frame (701).

4. A balanced push bench according to claim 3 wherein: the collision assembly (8) comprises a plurality of elastic collision small balls (801) and a tension rope (802), wherein the elastic collision small balls (801) are sleeved at the outer ends of the tension rope (802), and the outer ends of the tension rope (802) are fixedly connected with the inner wall of the connection frame (701).

5. The balanced push bench of claim 1, wherein: the upper end of the balance pipe jacking machine body (1) is fixedly connected with a pair of lifting hooks (9).