CN214366118U - Tunnel arch center construction operation vehicle - Google Patents
Tunnel arch center construction operation vehicle Download PDFInfo
- Publication number
- CN214366118U CN214366118U CN202120062517.9U CN202120062517U CN214366118U CN 214366118 U CN214366118 U CN 214366118U CN 202120062517 U CN202120062517 U CN 202120062517U CN 214366118 U CN214366118 U CN 214366118U
- Authority
- CN
- China
- Prior art keywords
- arm
- working platform
- platform unit
- bearing part
- tunnel arch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000003466 welding Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009193 crawling Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel arch center construction operation vehicle, which comprises a chassis, a rotary working platform unit and a lifting working platform unit, wherein the chassis is provided with a plurality of working platform units; the chassis comprises a bearing part arranged on the chassis, and two independent rotary working platform units are respectively arranged on two sides of the bearing part; the lifting working platform unit is arranged on the bearing part; the construction blind area problem when tunnel installation bow member has been overcome to this operation car, has realized realizing constructor's cooperative operation in tunnel cross section department, makes the efficiency of construction show and promotes, and mechanized operation degree is high, through the rotatory work platform unit that can expand and contract that sets up the car in bearing part both sides, has not only satisfied the construction needs, can also satisfy the not super wide problem of in-process of traveling, simple structure, easy manufacturing.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a tunnel arch frame construction operation vehicle.
Background
In the existing tunnel construction, the mechanization level of tunnel arch installation is low, so that the construction efficiency is low, the labor intensity of constructors is high, and the construction safety of the constructors cannot be guaranteed. At present, when the tunnel arch is installed, the butt joint and the welding of the arch are mainly completed by manpower, a plurality of loaders are used as auxiliary tools for installation, generally, an operator stands in a working bucket of the loader, and the arches at different connection points of the tunnel are butt jointed and welded by the lifting of the working bucket of the loader. For the auxiliary tool, at least one loading machine is needed to work in a matched mode and is used for carrying out consignment on the arch centering to be installed, due to the fact that construction space in the tunnel is limited, the loading machines between adjacent loading machines move slowly, the working efficiency of matched operation is low, and it is extremely unsafe for constructors to stand on the working bucket of the loading machines.
The applicant applies for a tunnel multifunctional operation trolley in 7, month and 22 in 2019, the application number is CN201921151475.5, the multifunctional operation trolley is respectively used for installation and construction of tunnel arches through a working platform and a manipulator which are installed on a main working arm, and working platforms of a first side working arm and a second side working arm which are located on two sides of the main working arm, and the manipulator are used for installation and construction of tunnel arches, and constructors stand in the corresponding working platforms of the working arms to carry out abutment and welding of the arches. In addition, since each work arm is individually controlled, it is difficult to ensure the cooperative cooperation of the constructors. In addition, the working platform can only work within the telescopic stroke range of the working arm, so that a construction blind area which cannot be reached by constructors exists relative to the cross section of the tunnel during construction.
The Chinese patent with the application number of CN201110359597.5 discloses a multifunctional tunnel operation vehicle, when a tunnel arch frame is installed, the tunnel arch frame is moved to a position to be installed through a travelling mechanism, then the steel arch frame to be installed is placed on a deflection clamping seat, then the steel arch frame to be installed is slowly lifted by a folding arm crane until the steel arch frame leaves the ground, and then the distance between a clamping plate I and a clamping plate II to a clamping seat arranged at the tail part of the deflection clamping seat is adjusted by rotating a handle I and a handle II, so that the steel arch frame to be installed is fixed among the clamping plate I, the clamping plate and the clamping seat. And then, lifting the steel arch frame to be installed to a required height by adopting a folding arm crane, sliding the movable trolley on the slide rail under the action of gravity, rotating the rotary supporting structure to adjust the position of the steel arch frame to be installed, so that the steel arch frame to be installed is always parallel to the section of the tunnel, and finally moving the steel arch frame to be installed to the section of the tunnel, so that a constructor can install the steel arch frame on the section of the tunnel. Although the installation of the arches is achieved, no technical solution is disclosed for their butt-joint and welding at the various connection points of the various arches with respect to the tunnel cross-section.
The Chinese patent application with the application number of CN201611053202.8 discloses a vehicle-mounted folding multifunctional operation rack for a tunnel, wherein the expansion and folding of each platform operation layer are realized through an oil cylinder, the support of each platform operation layer is realized through manually connecting inclined support rods, the contraction and folding of each platform operation layer are realized inevitably through manually disassembling the inclined support rods, and the degree of mechanization is insufficient. In addition, the technical proposal that the arch frame is butted and welded on the working layer of the platform is not disclosed.
The utility model with the application number of CN201920516867.0 discloses a self-propelled vertical arch trolley for tunnels, which discloses a self-propelled vertical arch trolley for tunnels, comprising a walking vehicle, wherein the walking vehicle comprises a cab, an electric hydraulic control system and a frame assembly, hydraulic telescopic supporting legs are arranged at four corners of the frame assembly, a front axle transmission mechanism for driving front two wheels and a rear axle transmission mechanism for driving rear two wheels are arranged on a chassis of the frame assembly, the front axle transmission mechanism is provided with a front reduction box and a front power motor, and the rear axle transmission mechanism is provided with a rear reduction box and a rear power motor; the frame assembly is provided with a slideway arranged along the front-back direction, the slideway is connected with an operating arm mechanism in a sliding way, and the frame assembly is provided with a power hydraulic cylinder used for pushing the operating arm mechanism to move back and forth; the utility model discloses self-propelled upright bow member platform truck is used in tunnel that overall structure is compact, trafficability characteristic is strong, the walking is reliable, the upright bow member erects swiftly convenient. However, for tunnel processing, the structure of the self-propelled vertical arch trolley is complex, and meanwhile, in the operation process, the movement range is single, and a large blind area still exists.
Based on the above, the invention aims to provide the tunnel arch construction work vehicle which is simple in structure, can avoid construction blind areas and improves construction efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a tunnel arch construction operation vehicle.
Furthermore, the invention provides a tunnel arch construction operation vehicle which comprises a chassis, a rotary working platform unit and a lifting working platform unit.
The chassis is the bottom of the tunnel arch construction operation vehicle and is used for loading a driving operation room and a bearing part.
Still further, the chassis includes a load-bearing portion disposed on the chassis.
Furthermore, the chassis is provided with a supporting part, and the supporting part can support the tunnel arch construction operation vehicle, ensure the level of the operation vehicle and provide the safety of the operation vehicle.
Furthermore, at least one side of the bearing part is provided with a rotary working platform unit.
Furthermore, two independent rotary working platform units are respectively arranged on two sides of the bearing part.
Furthermore, the rotary working platform unit can move in the horizontal direction to convey the working platform to a position needing to work in the horizontal direction.
Furthermore, the lifting working platform unit is arranged on the bearing part.
The lifting platform can move in the vertical direction, and conveys the working platform to a specified working position to perform specified operation.
Furthermore, the rotary working platform unit comprises a working platform and a rotating arm.
Furthermore, the rotary working platform unit is connected with the bearing part in a hinged mode.
Furthermore, the hinge means comprises at least two hinge points and two rotating arms.
Furthermore, the rotating arm comprises a driving arm and an auxiliary arm;
specifically, one end of the driving arm is hinged to the bearing part through a first hinge point, one end of the auxiliary arm is hinged to the bearing part through a second hinge point, and the driving arm and the auxiliary arm can move horizontally in the circumferential direction through the hinge points.
Further, the rotary work platform unit further comprises at least one swing arm.
The swing arm is hinged with the driving arm;
specifically, the other end of the driving arm is provided with a third hinge joint point for hinging the driving arm with the swing arm;
furthermore, the swing arm is used for supporting the operation bucket, and the operation bucket can be horizontally stable.
Furthermore, the rotary working platform unit further comprises at least one front end arm.
The front end arm is hinged with the auxiliary arm;
specifically, the other end of the auxiliary arm is provided with a fourth hinge point for hinging the auxiliary arm with the front end arm;
furthermore, the rotary working platform unit also comprises at least one horizontal working platform.
Furthermore, the front end arm and the swing arm may or may not be connected, and again is not limited;
the arrangement of the front end arm and the swing arm is used for supporting the horizontal working platform, providing a stable supporting point, increasing the stability of the operation bucket, and simultaneously enabling the operation bucket to be larger and bear larger weight.
Furthermore, when the rotary working platform unit works, the third hinge point and the fourth hinge point drive the horizontal working platform to rotate along the first hinge point and the second hinge point by taking the first hinge point and the second hinge point as centers, so that the horizontal working platform unit is rotated and unfolded from the initial position of the chassis to meet the width required by working in the tunnel;
furthermore, when the rotary working platform unit does not work, the rotary working platform unit takes the first hinge point and the second hinge point as the center, so that the third hinge point and the fourth hinge point drive the horizontal working platform to rotate and contract along the first hinge point and the second hinge point, and the working platform is placed at one end of the chassis to contract the floor area.
Furthermore, the lifting working platform unit further comprises a lifting part, and the lifting part is arranged on the bearing part.
The lift portion upper end is provided with perpendicular work platform, and this work platform provides the platform for the operation constructor, can convey arbitrary position of level with constructor, carries out the operation that needs.
Furthermore, the lifting working platform unit can also comprise a working crane;
the operation crane is arranged on the vertical working platform;
the operation crane can be used for hoisting steel arches or other materials required by construction;
furthermore, the lifting working platform unit can also comprise a manipulator;
the manipulator is arranged on the vertical working platform;
the manipulator can be strutted fixedly with the steel arch of tunnel hunch top department, makes things convenient for constructor to accomplish the butt joint and the welding of steel arch.
Further, the lifting part is any one of a double-speed telescopic device and/or a scissor mechanism.
Doubly fast telescoping device, shear fork mechanism all belong to prior art, for example: the telescopic boom of the crane usually adopts a speed-multiplying telescopic device, and the climbing operation platform is usually applied to a scissor fork mechanism, so the detailed description is omitted;
furthermore, the tunnel arch construction operating vehicle provided by the invention also comprises an auxiliary workbench.
The auxiliary worktable is one of a fixed stand, a scissor fork mechanism and a deflection lifting mechanism.
The auxiliary workbench is arranged on the rotary working platform unit.
When the auxiliary workbench is a fixed frame table, a crawling ladder is arranged on the fixed frame table, and constructors can construct the auxiliary workbench from the crawling ladder to the fixed frame table.
Or, when the auxiliary workbench is a position-changing lifting mechanism, the distance between the auxiliary workbench and the horizontal working platform is adjusted through the position-changing lifting mechanism, so that constructors are conveyed to the designated position, and the working efficiency is improved.
Compared with the prior art, the invention has the beneficial effects that: the problem of construction blind areas in tunnel construction is solved, cooperative operation of constructors at the cross section of the tunnel is achieved, construction efficiency is remarkably improved, and the degree of mechanized operation is high. The extensible and contractible rotary working platform unit arranged on the two sides of the bearing part opposite to the vehicle not only meets the requirement of construction, but also solves the problem of non-superwide in the driving process, and has simple structure and easy manufacture.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of a rotary work platform unit of the present invention;
FIG. 4 is a schematic structural view of a tunnel arch construction vehicle in embodiment 1;
FIG. 5 is a schematic structural diagram of a tunnel arch construction vehicle in embodiment 2;
FIG. 6 is a schematic structural diagram of a tunnel arch construction vehicle in embodiment 3;
FIG. 7 is a schematic structural diagram of a tunnel arch construction vehicle according to embodiment 4;
FIG. 8 is a schematic structural view of a tunnel arch construction vehicle according to embodiment 5;
wherein, 1, a chassis; 2. a rotating work unit; 3. a lifting work unit; 4. a bearing part; 5. a support portion; 6. a first hinge point; 7. an active arm; 8. a second hinge point; 9. an auxiliary arm; 10. a fourth hinge point; 11. a front end arm; 12. a swing arm; 13. a horizontal working platform; 14. a third hinge point; 15. a lifting part; 16. a vertical working platform; 17. operating crane; 18. a manipulator;
Detailed Description
As shown in fig. 1-2, a tunnel arch center construction work vehicle comprises a chassis 1, a rotary work platform unit 2 and a lifting work platform unit 3, wherein the chassis 1 comprises a bearing part 4 arranged on the chassis 1 and supporting parts 5 respectively arranged at the front end and the rear end of the bearing part 4, the lifting work platform unit 3 is arranged on the bearing part 4 of the chassis 1, the rotary work platform unit 2 is respectively symmetrically arranged at the left side and the right side of the bearing part 4, and the rotary work platform unit can horizontally move in the circumferential direction.
Referring to fig. 3, a rotary structure of a tunnel arch construction vehicle, a rotary working platform unit 2 includes a working platform and a rotating arm, and the rotary working platform unit is connected with a bearing part in a hinged manner. The rotating arm comprises a driving arm 7 and an auxiliary arm 9;
specifically, one end of the driving arm is hinged to the bearing part 4 through a first hinge point 6, one end of the auxiliary arm 9 is hinged to the bearing part 4 through a second hinge point 8, and the driving arm 7 and the auxiliary arm 9 can move horizontally and circumferentially through the hinge points; the rotary work platform unit further comprises a swing arm 12; the swing arm 12 is hinged with the driving arm 7; the other end of the driving arm 7 is provided with a third hinge joint point 14 for enabling the driving arm 7 to be hinged with the swing arm 12; the swing arm is used for supporting the horizontal working platform 13, and the operation bucket can be horizontally stable.
The rotary work platform unit further comprises at least one front end arm 11. The front end arm 11 is hinged with the auxiliary arm 9; the other end of the auxiliary arm is provided with a fourth hinge point 10 for hinging the auxiliary arm 9 with the front end arm 11;
the front end arm 11 is connected with a swing arm 12;
when the rotary working platform unit 2 works, the first hinge point and the second hinge point are taken as centers, and the third hinge point and the fourth hinge point drive the horizontal working platform to rotate along the first hinge point and the second hinge point, so that the horizontal working platform is rotated and unfolded from the initial position of the chassis to meet the width required by working in the tunnel;
when the rotary working platform unit does not work, the rotary working platform unit takes the first hinge point and the second hinge point as the center, so that the third hinge point and the fourth hinge point drive the horizontal working platform to rotate and contract along the first hinge point and the second hinge point, and the working platform is placed at one end of the chassis to contract the floor area.
The lifting working platform unit 3 further comprises a lifting part, and the lifting part is arranged on the bearing part.
The lift portion upper end is provided with perpendicular work platform, and this work platform provides the platform for the operation constructor, can convey arbitrary position of level with constructor, carries out the operation that needs.
Specifically, the embodiment of the invention provides the following tunnel arch construction operation vehicle;
example 1
Referring to fig. 1-4, it can be seen that: the tunnel arch construction operating vehicle comprises a chassis 1, a rotary working platform unit 2 and a lifting working platform unit 3, wherein the chassis 1 comprises a bearing part 4 arranged on the chassis 1 and supporting parts 5 respectively arranged at the front end and the rear end of the bearing part 4, the lifting working platform unit 3 is arranged on the bearing part 4 of the chassis 1, and the rotary working platform unit 2 is respectively symmetrically arranged at two sides of the bearing part 4; the rotary working platform unit can move horizontally and circumferentially.
Referring to fig. 3, a rotary structure of a tunnel arch construction vehicle, a rotary working platform unit 2 includes a working platform and a rotating arm, and the rotary working platform unit is connected with a bearing part in a hinged manner. The rotating arm comprises a driving arm 7 and an auxiliary arm 9;
specifically, one end of the driving arm is hinged to the bearing part 4 through a first hinge point 6, one end of the auxiliary arm 9 is hinged to the bearing part 4 through a second hinge point 8, and the driving arm 7 and the auxiliary arm 9 can move horizontally and circumferentially through the hinge points; the rotary work platform unit further comprises a swing arm 12; the swing arm 12 is hinged with the driving arm 7; the other end of the driving arm 7 is provided with a third hinge joint point 14 for enabling the driving arm 7 to be hinged with the swing arm 12; the swing arm is used for supporting the horizontal working platform 13, and the operation bucket can be horizontally stable.
The rotary work platform unit further comprises at least one front end arm 11. The front end arm 11 is hinged with the auxiliary arm 9; the other end of the auxiliary arm is provided with a fourth hinge point 10 for hinging the auxiliary arm 9 with the front end arm 11; the front end arm 11 is connected with a swing arm 12.
The lifting working platform unit 3 further comprises a lifting part 15, and the lifting part 15 is arranged on the bearing part 4.
The lift portion upper end is provided with vertical work platform 16, and this vertical work platform 16 provides the platform for the operation constructor, can convey arbitrary position of level with constructor, carries out required operation.
During construction, a constructor stands on the horizontal workbench 13 and the vertical workbench 16 to perform butt welding of steel arches, so that the constructor on each workbench can synchronously perform operation, and further the construction efficiency is improved.
Example 2
Referring to fig. 5, it can be seen that: on the basis of the embodiment 1, the two operation cranes 17 are arranged on the horizontal workbench 16 and used for hoisting steel arches or needed by other construction, so that the physical labor of constructors is reduced, and the construction efficiency is further improved.
Example 3
Referring to FIG. 6: on the basis of embodiment 2, the installation manipulator 18 is arranged on the vertical workbench 16, and after the steel arch at the arch top of the tunnel is supported and fixed by the manipulator 18, the construction of constructors on each workbench is facilitated, and the physical labor of the constructors is reduced.
Example 4
As shown in fig. 7, in the present invention, on the basis of embodiment 3, a mounting manipulator 18 is arranged on the vertical workbench 16, and after the manipulator 18 supports and fixes the steel arch at the tunnel arch top, the construction of constructors on each workbench is facilitated, and the physical labor of the constructors is reduced; be provided with supplementary work platform on horizontal work platform, supplementary work platform is fixed pallet, is provided with cat ladder 20 on the fixed pallet.
Example 5
Referring to fig. 8, it can be seen that: in the present invention, on the basis of embodiment 3, an auxiliary table 19 is provided on the horizontal table 13 of the rotary table unit 2, and the auxiliary table 19 is a displacement elevating mechanism. The auxiliary workbench 19 adopts a position-changing lifting mechanism as the auxiliary workbench 19 to carry out construction operation, and the distance between the auxiliary workbench 19 and the horizontal working platform 13 is adjusted through the position-changing lifting mechanism, so that the problem of construction blind areas in the prior art is solved, and the construction efficiency is improved.
The invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (9)
1. A tunnel arch construction operation vehicle is characterized in that the construction operation vehicle comprises a chassis, a rotary working platform unit and a lifting working platform unit; the chassis comprises a bearing part arranged on the chassis, and at least one side of the bearing part is provided with a rotary working platform unit; the lifting working platform unit is arranged on the bearing part.
2. The tunnel arch construction vehicle of claim 1, wherein the chassis is provided with a support portion capable of supporting the tunnel arch construction vehicle to ensure the level of the vehicle.
3. A tunnel arch construction work vehicle according to claim 1, wherein the rotary work platform unit comprises a work platform and a swivel arm; the rotary working platform unit is connected with the bearing part in a hinged mode; the hinge mode includes two pin joints at least, and two rotor arms.
4. The tunnel arch construction work vehicle of claim 3, wherein the swing arm includes a main arm and an auxiliary arm; one end of the driving arm is hinged with the bearing part through a first hinge point, one end of the auxiliary arm is hinged with the bearing part through a second hinge point, and the driving arm and the auxiliary arm can move horizontally in the circumferential direction through the hinge points.
5. A tunnel arch construction work vehicle according to claim 3, wherein the rotary work platform unit further comprises at least one swing arm; the other end of the driving arm is provided with a third hinge joint point for hinging the driving arm with the swing arm; the rotary working platform unit also comprises at least one front end arm; the other end of the auxiliary arm is provided with a fourth hinge point for hinging the auxiliary arm with the front end arm.
6. The tunnel arch construction work vehicle of claim 1, wherein the elevating work platform unit further comprises an elevating part and a vertical work platform, the elevating part is disposed on the bearing part, and the vertical work platform is disposed at an upper end of the bearing part.
7. The tunnel arch construction work vehicle of claim 6, wherein the elevating work platform unit further comprises a work crane; the operation crane is arranged on the vertical working platform.
8. The tunnel arch construction work vehicle of claim 6, wherein the elevating work platform unit further comprises a robot; the manipulator is arranged on the vertical working platform.
9. The tunnel arch construction work vehicle of claim 1, wherein the tunnel arch construction work vehicle further comprises an auxiliary work table; the auxiliary workbench is one of a fixed stand, a scissor fork mechanism and a deflection lifting mechanism; the auxiliary workbench is arranged on the rotary working platform unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062517.9U CN214366118U (en) | 2021-01-11 | 2021-01-11 | Tunnel arch center construction operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062517.9U CN214366118U (en) | 2021-01-11 | 2021-01-11 | Tunnel arch center construction operation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214366118U true CN214366118U (en) | 2021-10-08 |
Family
ID=77955443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120062517.9U Active CN214366118U (en) | 2021-01-11 | 2021-01-11 | Tunnel arch center construction operation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214366118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682076A (en) * | 2021-01-11 | 2021-04-20 | 江西鑫通机械制造有限公司 | Tunnel arch center construction operation vehicle |
-
2021
- 2021-01-11 CN CN202120062517.9U patent/CN214366118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682076A (en) * | 2021-01-11 | 2021-04-20 | 江西鑫通机械制造有限公司 | Tunnel arch center construction operation vehicle |
| CN112682076B (en) * | 2021-01-11 | 2025-04-04 | 江西鑫通机械制造有限公司 | A tunnel arch construction work vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107842311B (en) | Multifunctional tunnel rock drilling and arch erecting integrated machine | |
| JP5276867B2 (en) | Self-propelled lift crane equipped with variable position counterweight unit and its operating method | |
| CN109236302B (en) | Variable section excavation trolley in tunnel | |
| CN113339030B (en) | High slope drilling, injecting and anchoring function integrated anchoring equipment | |
| CN113530575B (en) | An arch installation trolley for tunnel multi-function construction | |
| CN112682076B (en) | A tunnel arch construction work vehicle | |
| CN218909684U (en) | Lifting and high-altitude platform collaborative operation integrated vehicle | |
| CN113074001B (en) | Multifunctional operation rack suitable for tunnel construction | |
| US4363409A (en) | Multi-purpose utility vehicle | |
| CN214366118U (en) | Tunnel arch center construction operation vehicle | |
| CN110526137B (en) | Self-moving quick erection tower crane | |
| CN114906748B (en) | A unit hydraulic support handling robot | |
| US3198359A (en) | Reaching type loader | |
| JP2971042B2 (en) | Girder transporter and girder transport method | |
| CN210915049U (en) | Self-moving quick erecting tower crane | |
| CN216277896U (en) | Assembling trolley for assembling large-tonnage prefabricated structural blocks | |
| CN212656122U (en) | Prefabricated pier erecting device | |
| US3357573A (en) | Cranes | |
| CN213838624U (en) | Many function combination crawler-type lift operation car | |
| CN110846952B (en) | Work apparatus and control method for work apparatus | |
| CN215666981U (en) | Lifting forklift capable of rotating and movably adjusting | |
| CN210620066U (en) | Crane equipment | |
| CN112125152A (en) | Monorail crane shed-erecting machine | |
| CN115450643B (en) | Complete machine assembly structure of drilling arch integrated trolley | |
| CN219058310U (en) | Folding door frame lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |