阅读说明：本技术 联络通道施工设备以及联络通道施工系统 (Contact channel construction equipment and contact channel construction system ) 是由 刘飞香 程永亮 刘学 李向红 周礼 刘剑 张瑞临 刘任丰 魏国梁 康思杰 孟祥宾 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种联络通道施工设备,包括转动驱动装置、转动时能够实现掘进的刀盘和在转动时能够将所述刀盘掘出物料运输出去的螺旋输送机,所述转动驱动装置的驱动端与所述刀盘以及所述螺旋输送机之间均传动连接。其中转动驱动装置的输出动力同时实现刀盘与螺旋输送机转动,可以有效地减少一套转动驱动装置和对应的配套设备,降低设备成本和施工成本。并且设备空间占用更小,所需始发场地更小,减少始发组装时间,提高施工效率。所以,该联络通道施工设备能够有效地解决目前联络通道施工设备结构复杂的问题。本发明还公开了一种包括联络通道施工设备的联络通道施工系统。(The invention discloses a connecting channel construction device which comprises a rotary driving device, a cutter head capable of realizing tunneling during rotation and a spiral conveyor capable of conveying materials tunneled by the cutter head out during rotation, wherein the driving end of the rotary driving device is in transmission connection with the cutter head and the spiral conveyor. The rotation of the cutter head and the spiral conveyor is realized by the output power of the rotation driving device, so that a set of rotation driving device and corresponding matched equipment can be effectively reduced, and the equipment cost and the construction cost are reduced. And the occupied equipment space is smaller, the required starting place is smaller, the starting and assembling time is reduced, and the construction efficiency is improved. Therefore, the contact channel construction equipment can effectively solve the problem that the existing contact channel construction equipment is complex in structure. The invention also discloses an interconnection channel construction system comprising the interconnection channel construction equipment.)

1. The utility model provides a linkage passageway construction equipment which characterized in that, including rotate drive arrangement, the blade disc that can realize tunnelling when rotating and can with when rotating the material transport screw conveyer that the blade disc was excavated, rotate drive arrangement's drive end with the blade disc and all the transmission is connected between the screw conveyer.

2. The contact channel construction equipment of claim 1, comprising a shield body, the shield body is internally provided with a mounting seat, the mounting seat is sleeved on the screw conveyor, the front end of the mounting seat is fixedly provided with a leg assembly which is coaxially arranged with the screw conveyor and the front end of which is extended, the front end of the leg assembly is fixedly provided with the cutter head, the cutter head is convexly arranged in the middle and coaxially arranged with the screw conveyor, the driving end of the rotary driving device is in transmission connection with the mounting seat, and the front end of the screw conveyor is in fixed or transmission connection with the rear side of the cutter head.

3. The communication channel construction equipment as claimed in claim 2, further comprising a deviation-rectifying telescopic device, wherein two ends of the deviation-rectifying telescopic device are respectively connected with the tail shield of the shield body and the front shield of the shield body to drive the front shield to deflect.

4. The communication channel construction equipment as claimed in claim 3, wherein the front end of the tail shield is provided with a hinge ring extending forwards, the rear end of the front shield is sleeved outside the hinge ring, and the plurality of deviation rectifying expansion devices are uniformly arranged inside the hinge ring along the circumferential direction of the hinge ring.

5. The communication passage construction equipment according to any one of claims 1 to 4, further comprising a gate provided at a slag outlet of the screw conveyor and a gate driving device that drives the gate to open and close to control an opening and closing degree.

6. The communication channel construction equipment of claim 5, wherein a partition plate is arranged at the rear side of the cutter head, and a soil bin is formed between the partition plate and the cutter head to receive soil cut by the cutter head.

7. The communication channel construction equipment as claimed in claim 6, wherein the partition plate is provided with a muddy water outlet communicated to the soil bin, and the slurry outlet is positioned at the bottom of the partition plate.

8. The communication channel construction equipment according to claim 7, further comprising a detection device for detecting a soil pressure in the soil silo and a dredge pump device for pumping out dredge water in the dredge water outlet, wherein the detection device controls the dredge pump device to be activated when detecting that the soil pressure is higher than a predetermined value.

9. A communication channel construction system comprising an origination side cart, an origination seal assembly, a propulsion system, and a reaction force support system, said origination seal assembly, said propulsion system, and said reaction force support system all being mounted on said origination side cart, further comprising a communication channel construction apparatus as described in any of claims 1-8, said communication channel construction apparatus being mounted on said origination side cart, said origination seal assembly being for sealing off a communication channel origination side where said communication channel construction apparatus is being excavated, said propulsion system being for propelling said communication channel construction apparatus forward.

10. The communication channel construction system according to claim 9, further comprising a theodolite and a laser target for measuring a shield deflection degree of the communication channel construction equipment in real time.

Technical Field

The invention relates to the technical field of tunnel construction, in particular to a connecting channel construction device and a connecting channel construction system comprising the same.

Background

The communication channel is usually arranged between the up-going tunnel and the down-going tunnel and is connected with the two main channels, so that people can be evacuated and water leakage can be discharged in case of accidents, and meanwhile, rescue workers can conveniently and quickly carry out rescue work. The construction method adopted by the conventional connecting channel is frozen earth construction, but the method has the defects of long freezing time, difficulty in controlling ground settlement, low construction efficiency, high construction cost and the like. In addition, the construction method needs manual excavation, and certain potential safety hazards exist for workers.

At present, the connection channel heading machine construction is concerned and used by more and more users by virtue of the advantages of low construction risk, high construction efficiency, high automation degree and the like. However, the traditional shield and pipe-jacking construction method only has one balance mode and cannot adapt to complicated stratum. In addition, excavation and slagging tap need be equipped with drive arrangement alone, lead to equipment inner space to occupy great, supporting equipment to increase, further increased equipment cost.

In summary, how to effectively solve the problem of complex structure of the existing communication channel construction equipment is a problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In view of the above, a first object of the present invention is to provide a communication channel construction apparatus which can effectively solve the problem of the complicated structure of the existing communication channel construction apparatus, and a second object of the present invention is to provide a communication channel construction system including the communication channel construction apparatus.

In order to achieve the first object, the invention provides the following technical scheme:

the utility model provides a linkage passageway construction equipment, includes rotation drive arrangement, can realize the blade disc of tunnelling when rotating and can with when rotating the material transport screw conveyer that the blade disc was excavated, rotation drive arrangement's drive end with the blade disc and all the transmission is connected between the screw conveyer.

In the communication channel construction equipment, the rotation of the cutter head and the spiral conveyor is realized by the output power of the rotation driving device, so that a set of rotation driving device and corresponding matched equipment can be effectively reduced, and the equipment cost and the construction cost are reduced. And the occupied equipment space is smaller, the required starting place is smaller, the starting and assembling time is reduced, and the construction efficiency is improved. Therefore, the contact channel construction equipment can effectively solve the problem that the existing contact channel construction equipment is complex in structure.

Preferably, including the shield body, the internal mount pad that is provided with of shield, the mount pad cover is established screw conveyer is last \ the mount pad front end fixed be provided with screw conveyer coaxial setting and the outer leg assembly who expands of front end, leg assembly's front end fixed mounting have the blade disc, the blade disc be middle part front projection setting and with screw conveyer coaxial setting, rotation drive arrangement's drive end with the transmission is connected between the mount pad, screw conveyer's front end with fixed or transmission is connected between the blade disc rear side.

Preferably, the device further comprises a deviation rectifying telescopic device, and two ends of the deviation rectifying telescopic device are respectively connected with the tail shield of the shield body and the front shield of the shield body so as to drive the front shield to deflect.

Preferably, the front end of the tail shield is provided with a hinge ring extending forwards, the rear end of the shield body is sleeved outside the hinge ring, and the plurality of deviation rectifying expansion devices are uniformly arranged on the inner side of the hinge ring along the circumferential direction of the hinge ring.

Preferably, the device further comprises a gate arranged at the slag outlet of the spiral conveyor and a gate driving device for driving the gate to open and close so as to control the opening and closing degree.

Preferably, a partition plate is arranged on the rear side of the cutter disc, and a soil bin is formed between the partition plate and the cutter disc to receive soil cut by the cutter disc.

Preferably, a muddy water outlet communicated to the soil bin is formed in the partition plate, and the muddy water outlet is located at the bottom of the partition plate.

Preferably, the soil pressure detection device is used for detecting the soil pressure in the soil bin, and the mud pump device is used for pumping out mud water in the mud water outlet.

In order to achieve the second object, the invention further provides a communication channel construction system, which includes any one of the communication channel construction devices, including an originating end trolley, an originating sealing assembly, a propulsion system and a reaction force support system, wherein the originating sealing assembly, the propulsion system and the reaction force support system are all mounted on the originating end trolley, the communication channel construction device is mounted on the originating end trolley, the originating sealing assembly is used for sealing an originating end of the communication channel excavated by the communication channel construction device, and the propulsion system is used for propelling the communication channel construction device to advance. Because the contact channel construction equipment has the technical effects, the contact channel construction system with the contact channel construction equipment also has corresponding technical effects.

Preferably, the shield.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a communication channel construction device provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of the operation of the communication channel construction equipment provided by the embodiment of the invention;

fig. 3 is a schematic structural diagram of a communication channel construction system according to an embodiment of the present invention.

The drawings are numbered as follows:

the device comprises a cutter head 1, a partition plate 2, a soil bin 3, a shield body 4, a driving device 5, a screw conveyor 6, a screw machine gate 7, a slag discharging pipeline 8, a deviation rectifying and stretching device 9, a communication channel 10, a top ring 11, a propulsion oil cylinder 12, an oil cylinder support 13, a reaction force supporting system 14, a starting sealing assembly 15, a starting barrel 15-1, a sealing brush 15-2, a receiving sealing assembly 16, a receiving barrel 16-1, a support frame 17, a starting end trolley 18, a receiving end trolley 19, a propulsion system 20, a pipe joint 21, a pipe piece hoisting system 22, a grouting friction reducing system 23, a reaction force supporting system 24, communication channel construction equipment 25, a control system 26, a hydraulic system 27, an electrical system 28, a main channel pipe piece 29, a front shield 4-1 and a tail shield 4-2.

Detailed Description

The embodiment of the invention discloses a connecting channel construction device, which aims to effectively solve the problem that the existing connecting channel construction device is complex in structure.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a communication channel construction device according to an embodiment of the present invention; FIG. 2 is a schematic diagram of the operation of the communication channel construction equipment provided by the embodiment of the invention; fig. 3 is a schematic structural diagram of a communication channel construction system according to an embodiment of the present invention.

In one embodiment, the present embodiment provides a communication channel construction apparatus for forming the communication channel 10. Specifically, the communication channel construction equipment comprises a rotary driving device 5, a cutter head 1 and a spiral conveyor 6. Of course, other structures, such as the shield body 4, etc., may be included.

When the cutter head 1 rotates, tunneling can be achieved, namely tunneling can be conducted on at least a soil body, and tunneling can be conducted on a sand layer, a hard rock layer and other strata generally. The cutter head 1 mainly comprises a disk body and a plurality of cutting blades which are arranged on the disk body, when the cutter head rotates, the cutting blades at different radial positions cut corresponding soil bodies respectively, and the soil bodies cut away are generally sheet-shaped or slag-shaped and are collected at the rear side of the cutter head 1 so as to be conveyed out by a screw conveyor 6 at the rear side. The disk body can be a plane plate, and can be arranged in a concave manner on the front side of the middle part or in a convex manner on the front side of the middle part. In addition, for soft soil type stratum, cutter head 1 can be configured with the detachable cutter, and for hard rock type stratum, cutter head 1 can be dismantled the cutter and change for the hobbing cutter, improves the stratum adaptability of contact passageway construction equipment.

Wherein the screw conveyor 6 can transport out the material excavated by the cutterhead 1 when rotating, wherein the screw conveyor 6 mainly comprises screw blades to push the material to be transferred backwards when rotating. The screw conveyor 6 may also comprise a centrally located spindle, in order to ensure transport, the screw conveyor 6 is typically inserted in a channel, the radially outer edges of the screw blades being adjacent to the channel wall. Wherein, the spiral conveyer 6 and the cutter head 1 can be correspondingly arranged according to the requirement.

The driving end of the rotation driving device 5 is in transmission connection with the cutter head 1 and the screw conveyor 6, so that the driving end of the rotation driving device 5 can transmit torque to the cutter head 1 and the screw conveyor 6 at the same time, namely, the cutter head 1 and the screw conveyor 6 are driven to rotate by the same rotation driving device 5, rather than two rotation driving devices 5 are adopted for driving respectively. Specific driving modes can be as follows: one is that the driving end of the rotation driving device 5 is directly connected with the cutter head 1 in a transmission way, and the cutter head 1 is connected with the screw conveyer 6 in a transmission way, so that the driving end of the rotation driving device 5 indirectly drives the screw conveyer 6 to do rotary motion; the other is that the rotary driving device 5 directly drives the screw conveyor 6 to rotate, so that the screw conveyor 6 is in transmission connection with the cutter head 1, and the driving end of the rotary driving device 5 indirectly drives the cutter head 1 to rotate.

In the communication channel construction equipment, the rotation of the cutter head 1 and the spiral conveyor 6 is realized by the output power of the rotary driving device 5, so that one set of rotary driving device 5 and corresponding matched equipment can be effectively reduced, and the equipment cost and the construction cost are reduced. And the occupied equipment space is smaller, the required starting place is smaller, the starting and assembling time is reduced, and the construction efficiency is improved. Therefore, the contact channel construction equipment can effectively solve the problem that the existing contact channel construction equipment is complex in structure.

Furthermore, in order to facilitate transmission connection, a mounting seat is preferably arranged in the shield body 4 of the communication channel construction equipment, the mounting seat is rotatably connected with the shield body 4 to be capable of rotating around the axis of the screw conveyor, and the mounting seat is connected with the driving end to realize rotation. The mounting seat is sleeved on the screw conveyor 6, a sleeve is generally sleeved outside the screw conveyor 6, an inner pipeline of the sleeve is the channel, the sleeve is matched with the screw blade, and the sleeve and the mounting seat can be in rotating fit. Wherein the mount pad front end is fixed be provided with 6 coaxial settings of screw conveyer and the front end leg assembly that expands outward, leg assembly includes a plurality of landing legs of evenly arranging along circumference, and each landing leg front end radially outwards inclines the setting to make leg assembly expand the setting outward. The front end of the screw blade of the screw conveyor 6 extends to the inside of the leg assembly. Wherein the front end fixed mounting of landing leg subassembly has blade disc 1, and wherein blade disc 1 is middle part forward-protruding setting, and the middle part is forward-protruding to the guide soil body that can be better enters into the middle part of screw conveyer 6. The cutter head 1 and the screw conveyor 6 are coaxially arranged, and specifically, can also coaxially rotate. Specifically, for example, the driving end of the rotary driving device 5 is in transmission connection with the mounting seat, and the front end of the screw conveyor 6 is in fixed or transmission connection with the rear side of the cutter head 1, so that the cutter head 1 transmits power to the screw conveyor 6.

Further, a deviation-correcting telescopic device 9 can be further included, wherein two ends of the deviation-correcting telescopic device 9 are respectively connected with the tail shield 4-2 of the shield body 4 and the front shield 4-1 of the shield body 4 to drive the front shield 4-1 to deflect, the rotary driving device and the mounting seat are both installed in the front shield 4-1, and the deviation-correcting telescopic device 9 is generally a telescopic hydraulic cylinder, such as a deviation-correcting oil cylinder. A deviation-correcting telescopic device 9 to adjust by extending length. Specifically, the front end of the tail shield 4-2 can be provided with a hinge ring extending forwards, the rear end of the front shield 4-1 is sleeved outside the hinge ring, and the plurality of deviation-correcting expansion devices 9 are uniformly arranged on the inner side of the hinge ring along the circumferential direction of the hinge ring.

Wherein the main function of the screw conveyor 6 is to convey the slag, i.e. a slag outlet is generally arranged at the rear end of the screw conveyor 6. In order to control the amount of slag discharged from the slag hole, it is preferable that a shutter 7 provided in the slag hole of the screw conveyor 6 and a door driving device for driving the shutter 7 to open and close to control the degree of opening and closing are further provided. The opening and closing degree of the gate 7 is driven by the passing gate driving device to adjust the pressure state in the screw conveyor 6, so that the pressure state of the front side of the cutter head 1 is ensured, the phenomenon of settlement or uplift on the earth surface is avoided, and further, a slag outlet pipeline 8 can be connected to the slag outlet.

Furthermore, in order to better guide the cut soil mass, it is preferable here that the rear side of the cutterhead 1 is provided with a partition 2, wherein a soil chamber 3 is formed between the partition 2 and the cutterhead 1 to receive the soil mass cut by the cutterhead 1, wherein the helical blades of the helical conveyor 6 extend into the soil chamber 3.

Further, it is preferable here that the partition plate 2 is provided with a muddy water outlet communicated to the soil bin 3, the slurry outlet is located at the bottom of the partition plate, and the general muddy water outlet is connected with a mud pump device through a muddy water pipeline, wherein the muddy water pipeline and the muddy water outlet are integrally formed or detachably and fixedly connected so as to pump muddy water in the soil bin 3. When using, when muddy water is more in the soil body, when unsuitable to carry away through screw conveyer 6, can open simultaneously or open alone the muddy water pump to can realize that the soil pressure balance mode is to muddy water balance mode fast switch-over, increased the adaptability of construction equipment complex stratum. Further, a detection device for detecting the soil pressure in the soil bin 3 can be further included, so that when the soil pressure is detected to be higher than a preset value, the mud pump device can be controlled to be started. It should be noted that, a muddy water inlet is further provided on the general partition for introducing muddy water with a lower content of separated mud into the soil bin to increase the flow of the muck in the soil bin, or further extending the muddy water inlet to the front side of the cutter head for flushing the muck in the front side of the cutter head.

Based on the communication channel construction equipment provided in the above embodiments, the invention also provides a communication channel construction system, the communication channel construction system comprises any one of the communication channel construction equipment in the above embodiments, and further comprises an originating trolley 18, an originating sealing assembly 15, a propulsion system 20 and a reaction force support system 14, the originating sealing assembly 15, the propulsion system 20 and the reaction force support system 14 are all mounted on the originating trolley 18, the communication channel construction equipment is mounted on the originating trolley 18, the originating sealing assembly 15 is used for originating sealing the communication channel 10 excavated by the communication channel construction equipment, and the propulsion system 20 is used for propelling the communication channel construction equipment to advance. Because the connection channel construction system adopts the connection channel construction equipment in the embodiment, the beneficial effects of the connection channel construction system refer to the embodiment.

Specifically, the connecting channel construction system can comprise a connecting channel construction device 25, an originating trolley 18 and a receiving trolley 19, wherein the originating trolley 18 and the receiving trolley 19 are respectively arranged in two main channels, namely one main channel is used as an originating main channel, the other main channel is used as a receiving main channel, and two ends of the connecting channel are respectively communicated with the originating main channel and the receiving main channel. The originating trolley 18 is provided with a propulsion system 20, a reaction support system 24, a handling system 22 for lifting pipe joints 21, and an originating seal assembly 15 for placement at the originating end of the communication channel, wherein the propulsion system 20 is disposed between the reaction support system 24 and the communication channel construction equipment 25. Wherein the receiving end trolley 19 is provided with a receiving sealing assembly 16 for being arranged at the receiving end of the communication channel. The communication channel working equipment 25 is carried in to the communication channel excavation site by the originating trolley 18 and is carried out from the communication channel excavation end point by the receiving trolley 19.

The connection channel construction equipment 25 is any one of the connection channel construction equipment 25 generally comprising a cutter head 1, a partition plate 2, a soil bin 3, a shield body 4, a rotary driving device 5, a spiral conveyor 6, a gate 7, a slag discharge pipeline 8 and a deviation rectifying telescopic device 9.

Both the originating seal assembly 15 and the receiving seal assembly 16 are cartridge type seal assemblies, and specifically, the originating seal assembly 15 includes an originating cartridge 151 for being fixed to an inner wall of an originating main passage and an originating seal brush 152 disposed on an inner wall of the originating cartridge 151. The outer diameter of the starting tube 151 is larger than the diameter of the communication channel formed after tunneling, and the inner diameter is larger than the outer diameters of the shield body 4 and the supporting tube 21.

The receiving seal assembly 16 includes a receiving cylinder 161 for fixing on an inner wall of the receiving-end main passage and a seal brush provided on an inner wall of the receiving cylinder 161. The receiving cylinder 161 may be installed according to the heading direction of the communication passage construction equipment and various heading parameters and sizes so as to smoothly complete the work of receiving the communication passage construction equipment 25. The sealing brush 152 at the initial end is used for avoiding the phenomena of water inrush, sand inrush and the like in the tunneling process. Wherein the origination canister 151 and the reception canister 161 are located at both ends of the communication passage, respectively.

Wherein the propulsion system 20 is arranged between the counterforce support system 24 and the communication channel construction equipment 25, and the propulsion system 20 comprises a top ring 11, a propulsion oil cylinder 12 and an oil cylinder bracket 13. Wherein the apical ring 11 is connected with thrust cylinder 12's drive end, follow thrust cylinder 12 and accomplish the jacking, the action of retracting, when using, at the tunnelling initial stage, apical ring 11 can offset with contact passageway construction equipment 25 rear end, in order to give contact passageway construction equipment 25 power that gos forward, and at the tunnelling in-process, apical ring 11 is driven the withdrawal by thrust cylinder 12, can set up the tube coupling 21 of contact passageway between apical ring 11 and contact passageway construction equipment 25 this moment, then thrust cylinder 12 promotes apical ring 11 and offsets with the tube coupling 21 of following contact passageway construction equipment 25 rear side, and push away tube coupling 21 and advance, contact passageway construction equipment 25 continues to advance under the promotion of tube coupling 21. If the connection channel support is formed by sequentially splicing a plurality of pipe sections 21, correspondingly, after the top ring 11 advances for a certain distance, the connection channel support needs to retract so as to fill the next pipe section 21 at the front side of the top ring 11. The cylinder bracket 13 is vertically installed at the front side of the counter force support system 24 along the tunneling direction, the plurality of propulsion cylinders 12 are uniformly distributed, and the rear end of the propulsion cylinder is installed at the cylinder bracket 13.

The starting end trolley 18 and the receiving end trolley 19 are all modular components, a connecting structure is arranged between the front trolley section and the rear trolley section, the trolley sections and the accessory equipment can be assembled outside the main channel, and the starting end trolley 18 and the receiving end trolley 19 are respectively pulled to the excavation position of the communication channel by the pulling equipment so as to be capable of directly tunneling, avoid assembly in a tunnel and increase tunneling efficiency.

Wherein the originating seal assembly 15, propulsion system 20, reaction support system 24, and communication channel construction equipment 25 are integrated on a corresponding trolley at the originating end face of the communication channel, i.e., on originating trolley 18. The reaction support system 24 is supported on the wall surface of the pipe piece 29 of the primary channel at the initiating end through the expanding support frame 17, so that the equipment pushing reaction support can be provided, and the supporting effect on the primary channel at the initiating end can be realized.

Wherein, a plurality of hydraulic telescopic oil cylinders and a plurality of bearing panels matched with the wall surface of the duct piece 29 are arranged on the supporting frame 17, and two adjacent bearing panels are connected through the hydraulic telescopic oil cylinders. Meanwhile, the originating trolley 18 in the originating main passage may be further provided with a hoisting system 22, a grouting friction reducing system 23, a control system 26, a hydraulic system 27, and an electrical system 28. The hoisting system 22 is used for hoisting the pipe joint 21, and the pipe joint 21 can be generally configured into an upper and a lower blocked pipe piece or an integral ring pipe piece. The two types of pipe joints 21 are provided with sealing devices, so that the phenomena of water leakage and sand leakage are avoided. Wherein the pipe joints 21 in the form of upper and lower blocks are connected by connecting bolts in the tunneling direction and the circumferential direction. Wherein the receiving end trolley 19 is provided with a receiving end seal assembly 16 and a support bracket 17.

The use method of the connection channel construction system is as follows: reinforcing the main channel segment 29 at the originating end, the receiving end and the periphery of the communication channel 10 to meet the requirement of propulsion force transmission and prevent the damage to the main channel segment 29; installing an originating sealing assembly 15, a propulsion system 20, a reaction force supporting system 14 and a communication channel construction device 25 on one section of an originating trolley 18, wherein the section is a main working section, and other sections of the originating trolley 18 are respectively provided with auxiliary devices; the initial end trolley 18 is pulled to the position where the main working trolley section is positioned in the connection channel excavation position through the traction device, and then the supporting and fixing of the whole equipment are completed, and the propelling requirement of the equipment is met. When the construction equipment is about to be run through, the receiving end trolley 19 is pulled to a receiving position corresponding to the communication channel through the traction device, fixing is completed, and the receiving requirement of the construction equipment is met. When the communication channel construction equipment 25 starts, the shield body 4 of the communication channel construction equipment 25 is in butt joint with a starting barrel, and the tunneling stroke and the tunneling posture of the communication channel construction equipment 25 are controlled by the propulsion system 20 in front of the reaction force support system 24. The rotation driving device 5 outputs power to realize the cooperative rotation of the cutter head 1 and the spiral conveyor 6, the cutter head 1 cuts soil bodies when rotating, the cut soil bodies fall into the soil bin 3 and are conveyed to the tail part by the spiral conveyor 6, and the muck is discharged to the main channel by the muck discharging system. After completing the propulsion of one stroke, assembling a new pipe joint 21 at the initial position of the communication channel through the lifting system 22, pushing the new pipe joint 21 by the propulsion system 20 to continue the tunneling, and repeating the propulsion process until the new pipe joint reaches the receiving end of the communication channel. In the process of tunneling the contact passage construction equipment, the attitude of the contact passage construction equipment 25 can be measured in real time through the theodolite and the laser target and fed back to an operator, and the equipment attitude is adjusted by controlling the deviation rectifying telescopic device 9; after the receiving sealing assembly 16 is installed and fixed and meets the requirements of receiving equipment, the connecting channel construction equipment 25 and the pipe joints 21 are continuously pushed until the connecting channel is communicated and supporting is completed.

The connecting channel construction system mainly has the following advantages:

the rotation driving device 5 outputs power to realize the cooperative rotation of the cutter head 1 and the spiral conveyor 6, so that one set of rotation driving device 5 and corresponding matched equipment are reduced, and the equipment cost and the construction cost are reduced. And the occupied equipment space is smaller, the required starting place is smaller, the starting and assembling time is reduced, and the construction efficiency is improved.

The screw conveyor 6 is provided with a screw conveyor gate 7, and the soil pressure balance mode is realized by controlling the opening of the gate 7 to adjust the soil bin pressure; meanwhile, a muddy water pipeline interface is arranged on the partition plate 2 at the rear side of the soil bin 3, so that the soil pressure balance mode can be quickly switched to the muddy water balance mode, and the adaptability of the construction equipment to a complex stratum is improved.

Two duct piece assembling modes are supported, and the assembling mode is divided into an upper duct piece assembling mode and a lower duct piece assembling mode and an integral duct piece assembling mode respectively, so that the assembling requirements of different working conditions are met.

The starting end trolley 18 adopts a modular structure, the starting sealing assembly 15, the propulsion system 20, the reaction supporting system 14 and the contact channel construction equipment 25 are integrally installed on the same trolley section, and the trolley and the accessory devices thereof are pulled to the position of excavating the contact channel by the traction equipment after the assembly outside the tunnel is finished, so that the transportation and turnover of the equipment are facilitated, and the requirement of quick starting is met. In addition, the quick and circular excavation of a plurality of communication channels in the main channel is realized.

The contact channel construction system integrates the functions of excavation, slag discharge, supporting, grouting friction reduction, guiding deviation rectification, multi-mode control and the like, can realize one-step forming of the contact channel tunnel under different complex geological working conditions, and can realize fully-mechanized high-efficiency operation.

Compared with the traditional mechanical construction method, the construction method has the advantages that the construction is carried out by adopting the communication channel construction system, and the method is high in efficiency, low in risk, economical, environment-friendly, capable of effectively controlling ground settlement, stable in construction and the like.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.