CN218463761U - Auxiliary mobile trailer for shield machine - Google Patents
Auxiliary mobile trailer for shield machine Download PDFInfo
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- CN218463761U CN218463761U CN202120277564.5U CN202120277564U CN218463761U CN 218463761 U CN218463761 U CN 218463761U CN 202120277564 U CN202120277564 U CN 202120277564U CN 218463761 U CN218463761 U CN 218463761U
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- trailer
- main body
- supporting shoe
- shield
- roadway
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Abstract
The utility model provides a shield constructs supplementary trailer that removes of machine, solves the shield structure machine that prior art exists and impels the girder of the shield body and be located the tunnel in the middle of, crowded maintenance space that accounts for, the roofbolter can't be followed the tunnel center and to the problem of the anchor rod of setting up all around the formula of dispersing. Be provided with operation platform's trailer main part, its characterized in that including upper portion: the lower part of the trailer main body is provided with a travelling mechanism, and the front end of the trailer main body is provided with a connecting part for connecting with the rear end of the shield tunneling machine; the two sides of the middle part of the trailer main body are respectively provided with a symmetrically arranged shoe supporting mechanism; the cross section shape of the trailer body is matched with the shape of the lower part of the cross section of the tunneling roadway, and a belt conveyor arrangement space is arranged in the middle of the lower part of the cross section of the trailer body. The shield machine is reasonable in design and compact in structure, can assist the shield machine to move, is matched with an anchor net supporting process, can adapt to long-distance tunneling of various rock stratums, and is high in operation efficiency and high in use reliability.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering equipment, concretely relates to can assist shield structure machine's removal to cooperation anchor net is strutted technology, can adapt to the long distance tunnelling of various rock stratum, and the operating efficiency is high, uses the supplementary trailer that removes that shield structure machine that the reliability is strong was used.
Background
Most of the traditional shield tunneling machines are designed in an open mode, and the movement of the traditional shield tunneling machines is realized by a crossbeam, a thrust cylinder and a supporting shoe. The main working principle is as follows: by means of supporting shoes supported on the inner wall of a roadway, counterforce is provided for advancing of the tunneling equipment, and a cutter head, a main drive and a girder of the shield tunneling machine are advanced forward by one stroke by means of extension and retraction of a propulsion oil cylinder; then, the steps are changed, namely: the supporting shoes retract, the rear supporting shoes lift the whole supporting shoes, and the supporting shoes are pulled forward by a stroke by the aid of the propelling oil cylinder to realize step changing.
However, due to the structural limitation of the existing shield machine, the supporting shoes are connected with each other through the cross pin shaft, so that not only is the structure of the supporting shoes complex, but also the middle part of the shield body of the shield machine is of a closed structure, and maintenance personnel cannot pass through the structure. Therefore, the shield machine with the existing structure can only be suitable for excavating tunnels with the diameter more than 3.3 meters; if the diameter of the excavation is less than 3.3 meters, personnel cannot pass through the excavation, and therefore normal maintenance and tool changing of equipment are affected. In addition, in the shield body structure of the existing shield machine, the anchor rod drilling machine needs to be arranged on a crossbeam between a main driving shield and a supporting shoe, so that the anchor rod drilling machine can only perform anchor rod drilling operation around the rotation of the crossbeam, and further certain included angle exists between the drilled anchor rod and the inner wall of the roadway, the actual effective depth of the anchor rod drilling is seriously influenced, and the overall supporting effect of the roadway is reduced. There is a need for an improvement in shield tunneling machines of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just to above-mentioned problem, provide a removal that can assist shield structure machine to cooperation anchor net struts technology, can adapt to the long distance tunnelling of various rock stratum, and the operating efficiency is high, uses the supplementary trailer that removes that shield structure machine that the reliability is strong was used.
The utility model adopts the technical proposal that: this supplementary trailer that removes that shield constructs machine includes trailer main part, its characterized in that: the upper part of the trailer main body is provided with an operation platform, the lower part of the trailer main body is provided with a travelling mechanism which is used for being contacted with the bottom of a roadway, the front end of the trailer main body is provided with a connecting part which is used for being connected with the rear end of a shield tunneling machine, and meanwhile, two sides of the middle part of the trailer main body are also respectively provided with symmetrically arranged shoe supporting mechanisms; the cross section shape of the trailer main body is matched with the shape of the lower part of the cross section of the tunneling roadway, and a belt conveyor arrangement space for a belt conveyor to pass through is arranged in the middle of the lower part of the cross section of the trailer main body.
The supporting shoe mechanism comprises supporting shoe telescopic chutes arranged on two sides of the middle of the trailer main body, roadway wall supporting shoes used for being in contact with the side walls of a roadway are inserted into the supporting shoe telescopic chutes, and supporting shoe driving mechanisms are further respectively arranged between the roadway wall supporting shoes and the middle of the trailer main body. The supporting shoe driving mechanism drives the roadway wall supporting shoe to stretch and retract in the supporting shoe telescopic chute, and then the contact surface of the roadway wall supporting shoe and the side slideway of the supporting shoe telescopic chute is utilized to provide supporting counter force for forward movement of the shield body of the shield machine.
The roadway wall supporting boot is composed of a supporting boot main body, a telescopic groove inserting part is arranged on the rear side of the supporting boot main body, and an arc-shaped contact surface is arranged on the front side of the supporting boot main body. The supporting shoe main body of the roadway wall supporting shoe is movably inserted into the supporting shoe telescopic sliding grooves on the two sides of the middle part of the trailer main body by using the telescopic groove inserting part, and the arc-shaped contact surface on the front side of the supporting shoe main body is in contact with the arc surface of the roadway side wall.
The supporting shoe driving mechanism is composed of a supporting shoe hydraulic cylinder, one end of the supporting shoe hydraulic cylinder is hinged with a supporting shoe cylinder hinged support arranged on the trailer main body, and the other end of the supporting shoe hydraulic cylinder is hinged with a supporting shoe cylinder connecting lug plate arranged on the roadway wall supporting shoe. So as to drive the roadway wall supporting shoe to extend out and retract in the supporting shoe telescopic sliding groove through the telescopic action of the supporting shoe hydraulic cylinder.
The trailer is characterized in that anti-deviation guide wheels are respectively arranged on the two sides of the front end and the rear end of the trailer body, and the anti-deviation guide wheels are respectively connected with the upper part of the trailer body through anti-deviation wheel brackets. In order to at the in-process of supplementary trailer walking that removes, utilize the support of preventing inclined to one side direction wheel to the tunnel, the condition of the off tracking of effectual prevention trailer main part position in the tunnel.
The anchor rod drilling machine is arranged on the operation platform of the trailer main body and is connected with a drilling machine connecting seat arranged at the transverse middle position of the operation platform through a drilling machine rotating mechanism. The rotation center of the anchor rod drilling machine for rotating the anchor rod drilling angle coincides with the center of the roadway, so that the purpose of drilling the anchor rod on the roadway wall through the center of the roadway is achieved, the effective drilling depth of the anchor rod is increased, and the supporting effect of the roadway is ensured.
The walking mechanism comprises walking rollers, and the walking rollers are connected with the lower part of the trailer body and the two sides of the belt conveyor arrangement space through roller connecting frames respectively. The trailer body can conveniently move along the extending direction of the roadway by utilizing the walking rollers of the walking mechanism.
The connecting part arranged at the front end of the trailer body is composed of a dragging cylinder connecting lug plate, and the dragging cylinder connecting lug plate is connected with the rear part of the shield machine arranged in front of the dragging cylinder connecting lug plate through a dragging hydraulic cylinder. The auxiliary movable trailer is driven to move forwards by pulling the dragging hydraulic cylinder; and when the shoe supporting mechanism supports the side wall of the roadway, the forward movement of the shield body of the shield machine is assisted by the thrust of the dragging hydraulic cylinder.
The utility model has the advantages that: the utility model adopts the trailer main body with the upper part provided with the operation platform, the lower part of the trailer main body is provided with the walking mechanism which is used for contacting with the bottom of the roadway, and the front end of the trailer main body is provided with the connecting part which is used for connecting with the rear end of the shield machine; the two sides of the middle part of the trailer main body are respectively provided with a symmetrically arranged shoe supporting mechanism; the cross section shape of the trailer main body is matched with the lower part shape of the cross section of the excavation roadway, and the structural form of the belt conveyor arrangement space is arranged in the middle of the lower part of the cross section of the trailer main body, so that the structure is reasonable in design and compact in structure, the movement of a shield machine can be assisted, and the long-distance excavation of a soft and broken stratum can be adapted by matching with the supporting process of an anchor rod reinforcing mesh, so that the operation efficiency is high, and the use reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.
Fig. 5 is a cross-sectional view taken along line B-B of fig. 1.
Fig. 6 is a cross-sectional view taken along line C-C of fig. 1.
Fig. 7 is a partial structural view in the direction D in fig. 3.
Fig. 8 is a schematic view of a construction of the roadway wall support shoe of fig. 3.
Fig. 9 is a right side view of fig. 8.
Fig. 10 is a top view of fig. 9.
Fig. 11 is a schematic view of a usage state of the present invention.
The sequence numbers in the figures illustrate: the device comprises a trailer main body 1, an operation platform 2, a traveling mechanism 3, a dragging cylinder connecting lug plate 4, a shoe supporting mechanism 5, a deviation-preventing guide wheel 6, a drilling machine connecting seat 7, a drilling machine rotating mechanism 8, a bolt drilling machine 9, a tunnel wall supporting shoe 10, a shoe supporting hydraulic cylinder 11, a shoe supporting telescopic chute 12, a belt conveyor arrangement space 13, a tunneling roadway 14, a shoe supporting cylinder hinged support 15, a deviation-preventing wheel support 16, a roller connecting frame 17, a walking roller 18, a shoe supporting main body 19, a shoe supporting cylinder connecting lug plate 20, an arc contact surface 21, a telescopic chute insertion part 22, a dragging hydraulic cylinder 23, a shield machine 24, a tail shield 25, a tail shield 26 and a belt conveyor 27.
Detailed Description
The specific structure of the present invention will be described in detail with reference to fig. 1 to 11. The auxiliary mobile trailer for the shield machine comprises a trailer body 1, wherein the upper part of the trailer body 1 is provided with an operation platform 2, the cross section shape of the trailer body 1 is matched with the shape of the lower part of the cross section of a tunneling roadway 14, and a belt conveyor arrangement space 13 for a belt conveyor 27 to pass through is arranged in the middle of the lower part of the cross section of the trailer body 1. The front end and the rear end of the lower part of the trailer body 1 are respectively provided with a walking mechanism 3 which is used for being contacted with the bottom of a roadway. The walking mechanism 3 comprises a plurality of groups of walking rollers 18, and the walking rollers 18 are respectively connected with the lower part of the trailer main body 1 and two sides of the belt conveyor arrangement space 13 through roller connecting frames 17; further, the traveling rollers 18 of the traveling mechanism 3 facilitate the movement of the trailer body 1 in the extending direction of the roadway.
The two sides of the middle part of the trailer body 1 are respectively provided with a pair of symmetrically arranged shoe supporting mechanisms 5. The supporting shoe mechanism 5 comprises supporting shoe telescopic chutes 12 arranged at two sides of the middle part of the trailer main body 1, and roadway wall supporting shoes 10 used for being in contact with the side wall of a roadway are respectively inserted into the supporting shoe telescopic chutes 12 at two sides. The roadway wall supporting shoe 10 is composed of a supporting shoe main body 19, a telescopic groove insertion part 22 for being inserted into the supporting shoe telescopic sliding groove 12 is arranged on the rear side of the supporting shoe main body 19, and an arc-shaped contact surface 21 for being in contact with the arc surface of the roadway side wall is arranged on the front side of the supporting shoe main body 19. Supporting shoe driving mechanisms are respectively arranged between the supporting shoes 10 on the two sides of the roadway wall and the middle part of the trailer body 1.
The supporting shoe driving mechanism is composed of two groups of supporting shoe hydraulic cylinders 11 arranged on the left side and the right side of the supporting shoe main body 19, one end of each supporting shoe hydraulic cylinder 11 is hinged with a supporting shoe cylinder hinged support 15 arranged on the upper portion of the trailer main body 1, and the other end of each supporting shoe hydraulic cylinder 11 is hinged with a supporting shoe cylinder connecting lug plate 20 on the side portion of the supporting shoe main body 19 of the corresponding roadway wall supporting shoe 10. The support shoe main body 19 of the roadway wall support shoe 10 is movably inserted into the support shoe telescopic sliding grooves 12 on the two sides of the middle part of the trailer main body 1 by using the telescopic groove insertion part 22; the roadway wall supporting shoe 10 is driven to extend out and retract in the supporting shoe telescopic chute 12 through the extension and retraction of the supporting shoe hydraulic cylinder 11, and then the arc-shaped contact surface 21 on the front side of the roadway wall supporting shoe 10 is in contact with the arc surface of the side wall of the roadway, so that the supporting counter force is provided for the forward movement of the shield body of the shield machine 24 through the contact surface of the roadway wall supporting shoe 10 and the side slideway of the supporting shoe telescopic chute 12.
The front end of the trailer body 1 is provided with a connecting part for connecting with the rear end of the shield machine 24, the connecting part is composed of a dragging cylinder connecting lug plate 4, and the dragging cylinder connecting lug plate 4 is connected with the rear shield body of the shield machine 24 arranged in front of the dragging cylinder connecting lug plate through a dragging hydraulic cylinder 23. Therefore, the auxiliary mobile trailer is driven to move forwards by pulling the dragging hydraulic cylinder 23; when the shoe supporting mechanism 5 supports the side wall of the tunnel, the forward movement of the shield body of the shield machine 24 is assisted by the thrust of the drag hydraulic cylinder 23. Two sides of the front end and the rear end of the trailer main body 1 (namely, the positions of the upper part and the four corners of the trailer main body 1) are respectively provided with an anti-deviation guide wheel 6, and each anti-deviation guide wheel 6 is connected with the upper part of the trailer main body 1 through an anti-deviation wheel support 16, so that in the process of assisting the mobile trailer to walk, the anti-deviation guide wheels 6 are used for supporting a roadway, and the condition that the trailer main body 1 deviates in the roadway is effectively prevented. The operation platform 2 of the trailer main body 1 is provided with a plurality of groups of anchor rod drilling machines 9 (the anchor rod drilling machines can adopt hydraulic anchor rod drilling machines or pneumatic anchor rod drilling machines), each group of anchor rod drilling machines 9 are connected with a drilling machine connecting seat 7 arranged at the transverse middle position of the operation platform 2 through a drilling machine rotating mechanism 8 (for example, a rotating oil cylinder can be adopted), so that the rotating center of the anchor rod drilling machine 9 for rotating the anchor rod drilling angle coincides with the center of a roadway, the aim of drilling an anchor rod to the roadway wall through the center of the roadway is achieved, the effective drilling depth of the anchor rod is increased, and the supporting effect of the roadway is ensured.
When the auxiliary mobile trailer for the shield machine is used, firstly, the auxiliary mobile trailer is arranged in a driving roadway 14 and at the position behind a tail shield 25 of a shield machine 24, and a belt conveyer 27 for conveying rocks and coal blocks is arranged in a belt conveyer arrangement space 13 at the lower part of the auxiliary mobile trailer; and the jumbolter 9 provided on the work platform 2 is operated under the shield of the finger shield 26 at the rear of the tail shield 25. When the shield tunneling machine 24 tunnels forwards, the supporting shoe hydraulic cylinder 11 is extended out, so that the tunnel wall supporting shoes on two sides of the middle part of the trailer main body 1 are driven to extend out in the supporting shoe telescopic sliding chute 12, and a supporting counter force is provided for the forward movement of the shield body of the shield tunneling machine 24 by utilizing the contact between the arc-shaped contact surface 21 on the front side of the tunnel wall supporting shoe 10 and the arc surface of the tunnel side wall; after the supporting shoe mechanism 5 supports the side wall of the roadway, the advancing of the shield body of the shield machine 24 is assisted by the thrust force of the extension of the dragging hydraulic cylinder 23.
Meanwhile, in the tunneling process of the shield tunneling machine 24, a plurality of groups of anchor rod drilling machines 9 arranged on the operation platform 2 of the trailer main body 1 are used for drilling anchor rods on the tunnel wall behind the shield tunneling machine 24 through the center of the tunnel, so that the effective drilling depth of the anchor rods is increased, and the permanent supporting effect of the tunnel is improved. Then, when the shield machine 24 tunnels forward for a certain distance, the shoe supporting mechanisms 5 on both sides of the auxiliary mobile trailer are retracted, and the whole auxiliary mobile trailer is driven to move forward by the retraction and pulling of the towing hydraulic cylinder 23. In addition, in the process that the auxiliary mobile trailer moves along with the shield tunneling machine 24, the deviation prevention guide wheels 6 arranged at the upper side and the four corners of the trailer body 1 are utilized to effectively prevent the auxiliary mobile trailer from deviating from the position in the moving process in the roadway.
Claims (8)
1. The utility model provides a supplementary trailer that removes that shield constructs machine, includes trailer main part (1), its characterized in that: the upper part of the trailer main body (1) is provided with an operation platform (2), the lower part of the trailer main body (1) is provided with a travelling mechanism (3) which is used for being contacted with the bottom of a roadway, the front end of the trailer main body (1) is provided with a connecting part which is used for being connected with the rear end of a shield machine (24), and meanwhile, two sides of the middle part of the trailer main body (1) are also respectively provided with symmetrically arranged shoe supporting mechanisms (5); the cross section shape of the trailer main body (1) is matched with the shape of the lower part of the cross section of the tunneling roadway (14), and a belt conveyor arrangement space (13) for a belt conveyor (27) to pass through is arranged in the middle of the lower part of the cross section of the trailer main body (1).
2. The auxiliary mobile trailer for a shield tunneling machine according to claim 1, wherein: the supporting shoe mechanism (5) comprises supporting shoe telescopic sliding grooves (12) arranged on two sides of the middle of the trailer main body (1), roadway wall supporting shoes (10) used for being in contact with the side wall of a roadway are inserted into the supporting shoe telescopic sliding grooves (12), and supporting shoe driving mechanisms are further respectively arranged between the roadway wall supporting shoes (10) and the middle of the trailer main body (1).
3. The auxiliary mobile trailer for shield tunneling machine according to claim 2, characterized in that: the roadway wall supporting shoe (10) is composed of a supporting shoe main body (19), a telescopic groove inserting part (22) is arranged on the rear side of the supporting shoe main body (19), and an arc-shaped contact surface (21) is arranged on the front side of the supporting shoe main body (19).
4. The auxiliary mobile trailer for shield tunneling machine according to claim 2, characterized in that: the supporting shoe driving mechanism is composed of a supporting shoe hydraulic cylinder (11), one end of the supporting shoe hydraulic cylinder (11) is hinged with a supporting shoe cylinder hinged support (15) arranged on the trailer main body (1), and the other end of the supporting shoe hydraulic cylinder (11) is hinged with a supporting shoe cylinder connecting lug plate (20) arranged on the roadway wall supporting shoe (10).
5. The auxiliary mobile trailer for shield tunneling machine according to claim 1, characterized in that: the anti-deviation trailer is characterized in that anti-deviation guide wheels (6) are respectively arranged on the two sides of the front end and the rear end of the trailer main body (1), and the anti-deviation guide wheels (6) are respectively connected with the upper portion of the trailer main body (1) through anti-deviation wheel supports (16).
6. The auxiliary mobile trailer for shield tunneling machine according to claim 1, characterized in that: the anchor rod drilling machine is characterized in that an anchor rod drilling machine (9) is arranged on the operation platform (2) of the trailer body (1), and the anchor rod drilling machine (9) is connected with a drilling machine connecting seat (7) arranged at the transverse middle position of the operation platform (2) through a drilling machine rotating mechanism (8).
7. The auxiliary mobile trailer for shield tunneling machine according to claim 1, characterized in that: the walking mechanism (3) comprises walking rollers (18), and the walking rollers (18) are respectively connected with the lower part of the trailer main body (1) and two sides of the belt conveyor arrangement space (13) through roller connecting frames (17).
8. The auxiliary mobile trailer for a shield tunneling machine according to claim 1, wherein: the connecting part arranged at the front end of the trailer main body (1) is composed of a towing cylinder connecting lug plate (4), and the towing cylinder connecting lug plate (4) is connected with the rear part of a shield machine (24) arranged in front of the towing cylinder connecting lug plate through a towing hydraulic cylinder (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120277564.5U CN218463761U (en) | 2021-02-01 | 2021-02-01 | Auxiliary mobile trailer for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120277564.5U CN218463761U (en) | 2021-02-01 | 2021-02-01 | Auxiliary mobile trailer for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218463761U true CN218463761U (en) | 2023-02-10 |
Family
ID=85133227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120277564.5U Active CN218463761U (en) | 2021-02-01 | 2021-02-01 | Auxiliary mobile trailer for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218463761U (en) |
-
2021
- 2021-02-01 CN CN202120277564.5U patent/CN218463761U/en active Active
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