CN213775411U - Composite assembling machine for duct piece and arch frame - Google Patents
Composite assembling machine for duct piece and arch frame Download PDFInfo
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- CN213775411U CN213775411U CN202021763427.4U CN202021763427U CN213775411U CN 213775411 U CN213775411 U CN 213775411U CN 202021763427 U CN202021763427 U CN 202021763427U CN 213775411 U CN213775411 U CN 213775411U
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Abstract
The utility model discloses a compound erector of section of jurisdiction and bow member, it includes: the arch frame assembling part comprises an arch frame assembling frame fixedly connected with the moving frame, a plurality of arch frame grippers arranged on the arch frame assembling frame and a plurality of arch frame lifting mechanisms, each arch frame gripper comprises a telescopic assembly and a plurality of guide wheel assemblies which are arranged on the telescopic assembly and can adjust relative spacing, a clamping space is formed between the opposite guide wheel assemblies on the same arch frame gripper, and the space of the clamping space extending in the radial direction is a traction space; and the arch frame traction device is arranged on the rotating frame and is provided with a part positioned in the traction space, and the part is connected with the arch frame traction device. The method mainly assists the TBM in supporting the complex surrounding rock in the tunneling process, so that safe, quick and efficient tunneling of the TBM is realized.
Description
Technical Field
The utility model belongs to shield constructs quick-witted equipment field, in particular to compound erector of section of jurisdiction and bow member.
Background
Tunnel Boring machines (tbms) are integrated devices that mechanically break rock, slag and support for continuous operation, developed from shield technology. The types of the tunnel type TBM are mainly divided into an open type TBM and a shield type TBM, the corresponding support forms are different, the open type TBM is provided with an arch center installer and auxiliary equipment such as a spray anchor for supporting, and the shield type TBM utilizes segment support as an in-tunnel support means. The TBM is generally corresponding to the selected geology, the open TBM is usually used for hard rock with better stratum, and the shield TBM can adapt to soft rock and can adapt to hard rock or soft and hard rock interaction stratum. However, in the working condition, a complex surrounding rock stratum exists, IV and V surrounding rocks with a large occupation ratio are mixed in the surrounding rocks with a large occupation ratio of II and III, if an open type TBM is adopted, the supporting quantity in the II and III surrounding rocks is small, the construction safety risk is low, the material quantity of the arch frame is saved, the installation quantity and the construction workload of the arch frame can be increased when the IV and V surrounding rocks are encountered, and the situation that the arch frame cannot be supported in time when soft rocks are deformed and collapsed greatly can be encountered, so that destructive damage is caused to equipment; if adopt shield formula TBM, adopt the section of jurisdiction to strut, can avoid above-mentioned problem, guarantee constructor safety, nevertheless because TBM construction tunnelling distance all is longer than the shield, piece together the section of jurisdiction and can occupy a large amount of tunnelling time and material resource in II, III class country rocks, and in IV, V class country rocks, the section of jurisdiction can strut deformation of preapring for an unfavorable turn of events well and protection construction safety. How to combine the two support modes and exert the advantages of the two support modes is a problem which needs to be solved urgently at present.
Disclosure of Invention
The utility model aims at providing a compound erector of section of jurisdiction and bow member can take different supporting forms to different grades of country rock, guarantees TBM safety and tunnelling fast.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a segment and arch compound erector, comprising: the segment assembling part is used for driving the segment to move or rotate and comprises a moving frame, a rotating frame, a lifting device and a gripping apparatus device; the erector further comprises:
the arch assembling part comprises an arch assembling frame fixedly connected with the moving frame, a plurality of arch grippers arranged on the arch assembling frame and a plurality of arch lifting mechanisms, wherein the arch assembling frame is annular, each arch gripper comprises a telescopic assembly and a plurality of guide wheel assemblies which are arranged on the telescopic assembly and can adjust relative spacing, a clamping space is formed between the opposite guide wheel assemblies on the same arch gripper, and the space of the clamping space extending in the radial direction is a traction space;
and the arch frame traction device is arranged on the rotating frame and is provided with a part positioned in the traction space, and the part is connected with the arch frame traction device.
Preferably, the arch gripper comprises a roller mounted between the opposed guide wheel assemblies.
Preferably, the telescopic assembly comprises a base, an outer sleeve arranged on the base, an inner sleeve arranged in the outer sleeve in a penetrating manner, and a first telescopic member arranged in a cavity formed by the outer sleeve and the inner sleeve and used for driving the inner sleeve to slide relative to the outer sleeve, and the guide wheel assembly is arranged at the upper end part of the inner sleeve.
Further, the guide wheel subassembly including be fixed in the U-shaped support frame of interior sleeve pipe upper end, install in installation pterygoid lamina on the U-shaped support frame, rotate connect in leading wheel fork on the installation pterygoid lamina, rotate connect in leading wheel on the leading wheel fork, make the leading wheel with installation pterygoid lamina rotates the first pivot of connecting, is fixed in otic placode on the first pivot and be used for the drive the second extensible member that the leading wheel fork drawn close and kept away from, the both ends of second extensible member rotate connect in on two relative first pivots on the otic placode, the axis of rotation of leading wheel, leading wheel fork and the second extensible member with the axis of the pivot that the otic placode is connected parallels and with interior sheathed tube flexible direction parallels.
Furthermore, the upper end and the lower end of the first telescopic piece are respectively and rotatably connected with the inner sleeve and the outer sleeve.
Preferably, the gripper device comprises
A gripper frame;
the lifting oil cylinder is used for lifting the gripper frame and is fixedly arranged on the rotating frame;
the first gripper rotating shaft is rotatably connected to the gripper frame;
the mounting box is fixedly connected with the first gripper rotating shaft;
the horizontal pushing oil cylinder is used for pushing the installation box to rotate around the first gripping apparatus rotating shaft, two end parts of the horizontal pushing oil cylinder are rotationally connected to the installation box and the gripping apparatus frame, and the stretching direction of the horizontal pushing oil cylinder is always vertical to the axial lead of the first gripping apparatus rotating shaft;
the second gripper rotating shaft is rotatably connected to the installation box;
the hanging bracket is sleeved on the second gripper rotating shaft;
the mounting cover is fixedly connected with the hanging bracket;
the abutting oil cylinder is fixedly arranged in the mounting cover;
the axis of the first gripper rotating shaft is parallel to the lifting direction of the lifting oil cylinder, and the axis of the second gripper rotating shaft is perpendicular to the telescopic directions of the first gripper rotating shaft and the horizontal pushing oil cylinder.
Furthermore, the upper end of the hanger is arranged in the installation box, and the second gripper rotating shaft penetrates through the upper end of the hanger.
Furthermore, the gripping apparatus further comprises a jacking oil cylinder fixed on the side of the installation box and parallel to the first gripping apparatus rotating shaft in the telescopic direction, and a jacking plate connected to the free end of the jacking oil cylinder.
Furthermore, two jacking oil cylinders are respectively arranged on two sides of the installation box, and the free ends of the two jacking oil cylinders on the same side are respectively and rotatably connected with the jacking plates.
Optimized, it is including being fixed in of bow member lifting mechanism guide frame on the bow member concatenation frame, the last logical groove of having seted up of guide frame, bow member lifting mechanism still including rotate to be connected in the guide frame and the swing region have at least partially be in through the inslot compress tightly the pendulum rod, be used for making compress tightly the pendulum rod and have the piece that compresses tightly of orientation through groove swing trend.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. segment supports can be assembled on soft surrounding rocks (IV and V-type surrounding rocks) of the open TBM, the workload of supporting the arch frame in the open TBM in the process of tunneling hard rocks is reduced, and the risks of deformation of the arch frame and collapse in a tunnel caused by deformation of the soft rocks during construction are reduced. Meanwhile, harder surrounding rocks (II and III) can still meet the function of assembling the arch frame.
2. The shield type TBM can adopt the assembled arch frame to support harder surrounding rocks (II and III surrounding rocks), so that the material cost of the duct piece is saved, the duct piece transportation time is saved, and safe and efficient tunneling is realized on the premise of meeting the construction safety. In the process of tunneling weak surrounding rocks (IV and V-type surrounding rocks), the duct piece splicing function can still be met.
The method mainly assists the TBM in supporting the complex surrounding rock in the tunneling process, so that safe, quick and efficient tunneling of the TBM is realized.
Drawings
FIG. 1 is a front view of the segment and arch composite erector of the present invention;
FIG. 2 is a perspective view of an arch gripper;
FIG. 3 is a front view of the arch grab;
FIG. 4 is a front view of the gripper assembly;
FIG. 5 is a schematic view of a connection structure of a horizontal thrust cylinder and a mounting box;
FIG. 6 is a diagram of a segment assembled by TBM on weak surrounding rocks (IV and V surrounding rocks);
FIG. 7 is a schematic diagram of an assembled arch center of a TBM on harder class surrounding rocks (class II and class III surrounding rocks).
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 1, the segment and arch composite erector includes: segment assembling part 1, arch assembling part 2 and arch traction device 3.
The segment assembling part 1 is used for driving the segment to move or rotate and comprises a moving frame 11, a rotating frame 12, a lifting device 13 and a gripper device 14.
As shown in fig. 4/5, the gripper assembly 14 includes a gripper frame 141; a first gripper rotating shaft 142 rotatably connected to the gripper frame 141; the mounting box 143 is fixedly connected with the first gripper rotating shaft 142; the horizontal pushing oil cylinder 144 is used for pushing the installation box 143 to rotate around the first gripper rotating shaft 142, two end parts of the horizontal pushing oil cylinder are rotatably connected to the first extension rack 1431 of the installation box 143 and the second extension rack 1411 of the gripper rack 141, and the stretching direction of the horizontal pushing oil cylinder is always vertical to the axial lead of the first gripper rotating shaft 142; a second gripper rotation shaft 145 rotatably coupled to the mounting case 143; a hanger 146 sleeved on the second gripper rotating shaft 145; a mounting cover 147 fixedly connected to the hanger 146; a tightening cylinder 148 fixedly mounted in the mounting cover 147; the axis of the first gripper rotating shaft 142 is parallel to the lifting direction of the lifting oil cylinder, and the axis of the second gripper rotating shaft 145 is perpendicular to the stretching direction of the first gripper rotating shaft 142 and the stretching direction of the flat pushing oil cylinder 144. The upper end of the hanger 146 is disposed in the mounting box 143, and the second gripper shaft 145 is disposed on the upper end of the hanger 146. The gripper apparatus 14 further comprises a tightening cylinder 149 fixed to the side portion 1431 of the mounting box 143 in a direction parallel to the first gripper rotation shaft 142, and a tightening plate 140 connected to a free end of the tightening cylinder 149. Two jacking oil cylinders 149 are respectively arranged on two sides of the mounting box 143, and the free ends of the two jacking oil cylinders 149 on the same side are respectively and rotatably connected with the jacking plate 140. The lifting device 13 is a lifting cylinder for lifting the gripper frame 141, which is fixedly mounted on the swivel frame 12.
As shown in fig. 2/3, the arch assembling part 2 includes an arch assembling frame 21 fixedly connected to the moving frame 11, a plurality of arch grasping arms 22 mounted on the arch assembling frame 21, a plurality of arch lifting mechanisms 23, the arch assembling frame 21 is ring-shaped, each arch grasping arm 22 includes a telescopic assembly 221, a plurality of sets of guide wheel assemblies 222 mounted on the telescopic assembly 221 and adjustable in relative spacing, and a roller 223 mounted between the guide wheel assemblies 222. The opposed guide wheel assemblies 222 on the same arch gripper 22 form a clamping space therebetween, and the space extending radially of the clamping space is a traction space.
The telescopic assembly 221 includes a base 2211, an outer sleeve 2212 installed on the base 2211, an inner sleeve 2213 inserted into the outer sleeve 2212, and a first telescopic member 2214 disposed in a cavity formed by the outer sleeve 2212 and the inner sleeve 2213 and driven by the inner sleeve 2213 to slide relative to the outer sleeve 2212, and forces applied to the first telescopic member 2214 in the telescopic process and tangential and oblique to the telescopic direction are distributed to the outer sleeve 2212 and the inner sleeve 2213, so that the damage degree of the first telescopic member 2214 can be reduced, and the bottom of the first telescopic member 2214 is rotatably connected with the base 2211, and the possibility of damage of the first telescopic member 2214 can be further reduced. The idler assembly 222 is disposed at the upper end of the inner sleeve 2213.
The guide wheel assembly 222 includes a U-shaped support frame 2221 fixed to the upper end of the inner sleeve 2213, a mounting wing plate 2222 mounted on the U-shaped support frame 2221, a guide wheel fork 2223 rotatably connected to the mounting wing plate 2222, a guide wheel 2226 rotatably connected to the guide wheel fork 2223, a first rotating shaft 2224 rotatably connecting the guide wheel fork and the mounting wing plate 2222, an ear plate 2225 fixed to the first rotating shaft 2224, and a second telescopic member 2227 for driving the guide wheel fork 2223 to move toward and away from each other, wherein two ends of the second telescopic member 2227 are rotatably connected to the ear plates 2225 on two opposite first rotating shafts 2224, and the rotating axis of the guide wheel 2226, the rotating axis of the guide wheel fork 2223, and the axis of the rotating shaft connecting the second telescopic member 2227 and the ear plates 2225 are parallel to the extending direction of the inner sleeve 2213. The upper and lower ends of the first telescopic member 2214 are rotatably connected to the inner sleeve 2213 and the outer sleeve 2212, respectively. First telescoping member 2214 and second telescoping member 2227 are cylinders.
The arch frame lifting mechanism 23 comprises a guide frame 231 fixed on the arch frame assembling frame 21, a through groove 232 is formed in the guide frame 231, the arch frame lifting mechanism 23 further comprises a pressing swing rod 233 which is rotatably connected in the guide frame 231 and at least partially arranged in the through groove 232 in a swing area, a pressing piece 234 used for enabling the pressing swing rod 233 to swing towards the through groove 232, and the pressing piece 234 is an oil cylinder.
And an arch pulling device 3 which is installed on the rotating frame 12 and has a portion located in the pulling space, and the portion is connected with the arch pulling device 3. In this embodiment, the arch traction apparatus 3 includes an L-shaped main link 31 and a reinforcing rod 32 fixed to the main link 31, and since the arch split 21 is located in the middle of the guide wheel assembly 222, the radial direction of the arch split 21 coincides with the clamping space and the traction space, and in order to facilitate the connection of the main link 31 with the arc-shaped arch and not to interfere with the guide wheel assembly 222 during rotation, the lower end portion of the main link 31 has a portion located below the arch split 21.
Segment concatenation portion 1 possesses 5 degrees of freedom (segment back-and-forth movement, lift from top to bottom, circumference rotation, segment self rotation) and snatchs segment 01, adopts two-way cylinder bolt formula to snatch the segment, can realize automatic operation.
The arch frame traction device 3 makes full use of the +/-200-degree rotation of the rotating frame 12 of the segment assembling part 1, so that the 02 +/-360-degree traction of the arch frame is realized, and finally, the arch frame is connected into a complete ring. When the arch is assembled, the arch is limited in the clamping space by the evenly distributed guide wheels 2226, the moving track of the arch in the clamping space is coaxial with the arch assembling frame 21, the inner side wall of the arch is contacted with the idler wheels 223, and when the arch traction device 3 rotates along with the rotating frame 12 of the segment assembling part 1, the arch connected with the L-shaped main connecting rod 31 can be driven to rotate.
The arch center assembling device comprises: 6 groups of arch frame grippers 22, 2 groups of arch frame lifting mechanism 23, 2 groups of arch frame grippers 22 about wherein can bear 25T push force, when the surrounding rock deformation leads to the bow member to warp, can realize certain jacking force, ensure site operation security. The front and back movement of the arch assembling is guided and dragged by the moving frame 11 of the segment assembling part 1.
Fig. 6 shows a schematic diagram of a segment assembled by a TBM on weak surrounding rock (iv, v type surrounding rock), and the operation flow is as follows: the segment crane conveys segments to the working range of the gripper device 14 of the segment assembling part 1, the abutting oil cylinder 148 of the assembling machine gripper grabs the segments in a bidirectional oil cylinder bolt mode, a piston rod of the abutting oil cylinder is inserted into a hole formed in the segments, the gesture of the segments is adjusted, and the whole ring assembling is realized. In addition, the TBM is provided with the function of adjusting the posture of the duct piece during turning and tunneling, and realizing whole ring assembly.
Fig. 7 is a schematic diagram of an arch center assembled by a TBM on harder class surrounding rocks (class ii and class iii surrounding rocks), and the operation flow is as follows: the arch centering is conveyed to an arch centering lifting mechanism 23, the rotating frame 12 is utilized to drive an arch centering traction device 3, the traction device drives the arch centering to move circularly, meanwhile, guide wheel grippers sequentially grip the arch centering to complete gripping of the whole arch centering, and finally the whole arch centering is supported on the wall of the hole through jacking oil cylinders of the grippers, so that surrounding rock supporting in the hole is realized.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A segment and arch compound erector, comprising: the segment assembling part is used for driving the segment to move or rotate and comprises a moving frame, a rotating frame, a lifting device and a gripping apparatus device; its characterized in that, the erector still includes:
the arch assembling part comprises an arch assembling frame fixedly connected with the moving frame, a plurality of arch grippers arranged on the arch assembling frame and a plurality of arch lifting mechanisms, wherein the arch assembling frame is annular, each arch gripper comprises a telescopic assembly and a plurality of guide wheel assemblies which are arranged on the telescopic assembly and can adjust relative spacing, a clamping space is formed between the opposite guide wheel assemblies on the same arch gripper, and the space of the clamping space extending in the radial direction is a traction space;
and the arch frame traction device is arranged on the rotating frame and is provided with a part positioned in the traction space, and the part is connected with the arch frame traction device.
2. The segment and arch composite erector of claim 1, wherein: the arch gripper includes a roller mounted between the opposing guide wheel assemblies.
3. The segment and arch composite erector of claim 1, wherein: the telescopic assembly comprises a base, an outer sleeve arranged on the base, an inner sleeve arranged in the outer sleeve in a penetrating mode, and a first telescopic piece which is arranged in a cavity formed by the outer sleeve and the inner sleeve and drives the inner sleeve to slide relative to the outer sleeve, and the guide wheel assembly is arranged at the upper end portion of the inner sleeve.
4. The segment and arch composite erector of claim 3, wherein: the guide wheel subassembly is including being fixed in the U-shaped support frame of interior sleeve pipe upper end, install in installation pterygoid lamina on the U-shaped support frame, rotate connect in leading wheel fork on the installation pterygoid lamina, rotate connect in leading wheel on the leading wheel fork, make the leading wheel fork with installation pterygoid lamina rotates the first pivot of connecting, is fixed in otic placode on the first pivot and be used for the drive the second extensible member that the leading wheel fork drawn close and kept away from, the both ends of second extensible member rotate connect in on two relative first pivots on the otic placode, the axis of rotation of leading wheel, leading wheel fork and the second extensible member with the axis of the pivot that the otic placode is connected parallels and with interior sheathed tube flexible direction parallels.
5. The segment and arch composite erector of claim 3, wherein: the upper end and the lower end of the first telescopic piece are respectively and rotatably connected with the inner sleeve and the outer sleeve.
6. The segment and arch composite erector of claim 1, wherein: the gripper device comprises
A gripper frame;
the lifting oil cylinder is used for lifting the gripper frame and is fixedly arranged on the rotating frame;
the first gripper rotating shaft is rotatably connected to the gripper frame;
the mounting box is fixedly connected with the first gripper rotating shaft;
the horizontal pushing oil cylinder is used for pushing the installation box to rotate around the first gripping apparatus rotating shaft, two end parts of the horizontal pushing oil cylinder are rotationally connected to the installation box and the gripping apparatus frame, and the stretching direction of the horizontal pushing oil cylinder is always vertical to the axial lead of the first gripping apparatus rotating shaft;
the second gripper rotating shaft is rotatably connected to the installation box;
the hanging bracket is sleeved on the second gripper rotating shaft;
the mounting cover is fixedly connected with the hanging bracket;
the abutting oil cylinder is fixedly arranged in the mounting cover;
the axis of the first gripper rotating shaft is parallel to the lifting direction of the lifting oil cylinder, and the axis of the second gripper rotating shaft is perpendicular to the telescopic directions of the first gripper rotating shaft and the horizontal pushing oil cylinder.
7. The segment and arch composite erector of claim 6, wherein: the upper end of gallows is located in the install bin, just the second gripping apparatus pivot is worn to locate on the upper end of gallows.
8. The segment and arch composite erector of claim 6, wherein: the gripping apparatus device further comprises a jacking oil cylinder which is fixed on the side part of the installation box and is parallel to the first gripping apparatus rotating shaft in the telescopic direction, and a jacking plate which is connected to the free end of the jacking oil cylinder.
9. The segment and arch composite erector of claim 8, wherein: two jacking oil cylinders are respectively arranged on two sides of the installation box, and the free ends of the two jacking oil cylinders on the same side are respectively and rotatably connected with the jacking plates.
10. The segment and arch composite erector of claim 1, wherein: it is including being fixed in the guide frame on the bow member erects the frame, seted up on the guide frame and passed through the groove, bow member lifting mechanism is still including rotating to be connected in the guide frame and the swing region has at least partially in compress tightly the pendulum rod, be used for making through the inslot compress tightly the pendulum rod and have the piece that compresses tightly of orientation through groove swing trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021763427.4U CN213775411U (en) | 2020-08-21 | 2020-08-21 | Composite assembling machine for duct piece and arch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021763427.4U CN213775411U (en) | 2020-08-21 | 2020-08-21 | Composite assembling machine for duct piece and arch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213775411U true CN213775411U (en) | 2021-07-23 |
Family
ID=76902719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021763427.4U Active CN213775411U (en) | 2020-08-21 | 2020-08-21 | Composite assembling machine for duct piece and arch frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213775411U (en) |
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2020
- 2020-08-21 CN CN202021763427.4U patent/CN213775411U/en active Active
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