CN215593597U - Paving mechanism before hard pavement - Google Patents
Paving mechanism before hard pavement Download PDFInfo
- Publication number
- CN215593597U CN215593597U CN202121202897.8U CN202121202897U CN215593597U CN 215593597 U CN215593597 U CN 215593597U CN 202121202897 U CN202121202897 U CN 202121202897U CN 215593597 U CN215593597 U CN 215593597U
- Authority
- CN
- China
- Prior art keywords
- guide frame
- upper guide
- rod
- assembly
- vehicle body
- 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
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a hard pavement front laying mechanism, which comprises: the device comprises a front support assembly, a front support rod, an upper guide frame assembly, a support assembly, a traction device and a guide rod; the front support assembly is arranged at the front end of a cab of the vehicle body, and a steering wheel is arranged on the front support assembly; the middle part of the upper guide frame assembly is arranged on a chassis crossbeam of the vehicle body through a bracket assembly, and the upper guide frame assembly is positioned above a cab of the vehicle body; one end of the upper guide frame assembly is arranged on the front support assembly through a front support rod, the other end of the upper guide frame assembly is connected with one end of a guide rod, and the other end of the guide rod is connected with a rotary platform for placing the pavement slab; the upper guide frame assembly is provided with a guide roller for supporting and guiding the road deck slab and a pulley for guiding a traction rope of the traction device; the traction device is arranged on a chassis crossbeam of the vehicle body; the utility model can lay the emergency maneuvering road surface by adopting the forward driving laying method, thereby improving the laying adaptability and the laying efficiency.
Description
Technical Field
The utility model belongs to the technical field of pavement paving, and particularly relates to a hard pavement front paving mechanism.
Background
When a wheeled or tracked motor vehicle executing field operation passes through a low-bearing-capacity section such as a beach, a marsh and the like, a temporary road surface is often paved on a roadbed in a robbing way, so that the motor of the vehicle is guaranteed. The existing method for paving the automotive hard pavement in China is reverse pavement (namely 'post-pavement'), the head of the automobile needs to be turned during pavement, and certain condition requirements are met for space. Due to the uncertainty of field conditions, it is difficult to apply post-paving methods to pave in narrow areas.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a hard pavement front paving mechanism, which can adopt a forward running paving (i.e., "front paving") method to pave an emergency maneuvering pavement, and improve the paving adaptability and paving efficiency.
The utility model is realized by the following technical scheme:
a hard pavement front laying mechanism is installed on a vehicle body, and comprises: the device comprises a front support assembly, a front support rod, an upper guide frame assembly, a support assembly, a traction device and a guide rod;
the front support assembly is arranged at the front end of a cab of the vehicle body, and a steering wheel is arranged on the front support assembly;
the middle part of the upper guide frame assembly is arranged on a chassis crossbeam of the vehicle body through a support assembly, and the upper guide frame assembly is positioned above a cab of the vehicle body; one end of the upper guide frame assembly is mounted on the front support assembly through a front support rod, the other end of the upper guide frame assembly is connected with one end of a guide rod, and the other end of the guide rod is connected with a rotary platform for placing the road deck;
the upper guide frame assembly is provided with a guide roller for supporting and guiding the pavement slab and a pulley for guiding a traction rope of the traction device;
the traction device is installed on a chassis crossbeam of the vehicle body, when the current laying mechanism works, a traction rope on the traction device bypasses a pulley of the upper guide frame assembly from the tail of the vehicle body to the head direction, and after crossing a cab of the vehicle body, the traction rope turns at a steering wheel of the front support assembly, returns to the upper guide frame assembly again, and sequentially bypasses the pulley of the upper guide frame assembly from the head of the vehicle body to the tail direction, and the tail end of the traction rope is connected with a road deck on the rotary platform.
Furthermore, the connection of the upper guide frame assembly and the support assembly, the connection of the upper guide frame assembly and the front support rod, the connection of the upper guide frame assembly and the guide rod, and the connection of the guide rod and the rotary platform are all detachably connected.
Further, the upper guide frame assembly further comprises: an upper guide frame and a riding wheel;
the upper guide frame is of a truss structure formed by welding longitudinal beams and cross beams;
more than two pulleys are arranged in the middle of the upper guide frame, the two pulleys form a group, and more than two groups of pulleys are arranged in parallel along the length direction of the upper guide frame;
more than two guide rollers are respectively and symmetrically arranged on two sides of the upper guide frame;
more than two riding wheels are symmetrically arranged on two sides of the upper guide frame through connecting shafts respectively.
Furthermore, both ends of the upper guide frame are bent downwards.
Further, the riding wheel comprises: a fixed riding wheel and a turnover riding wheel;
the fixed riding wheels are respectively positioned at the end part of each side of the upper guide frame, the overturning riding wheel is positioned in the middle of each side of the upper guide frame, and the height of the overturning riding wheel relative to the ground is higher than that of the fixed riding wheel;
the connecting shaft of the fixed riding wheel can not rotate;
the connecting shaft of the turning riding wheel can turn downwards relative to the upper guide frame; at the moment, the connecting shaft of the overturning riding wheel is an overturning shaft; when the front laying mechanism is in a transportation state, the overturning riding wheel and the overturning shaft thereof overturn downwards; when the front laying mechanism is in an operating state, the overturning riding wheel and the overturning shaft thereof reset, namely the overturning riding wheel and the overturning shaft thereof are flush with the upper guide frame.
Further, the front support assembly further comprises: the upper roller, the lower roller and the front support rod seat;
a front supporting rod seat, an upper roller and a lower roller are respectively arranged at two ends of a bumper of the vehicle body, and the upper roller and the lower roller are respectively positioned at the upper side and the lower side of the modified bumper;
the steering wheel is installed in the middle of the bumper.
Further, the support assembly includes: a bracket and a lower connecting plate;
the support is a rigid frame structure formed by connecting a cross rod and a longitudinal rod, and the bottom of the support is arranged on a chassis crossbeam of the vehicle body through a lower connecting plate; the top of support be equipped with more than two be used for with go up the engaging lug that the leading truck assembly is connected.
Further, the traction device further comprises: a hydraulic winch;
the hydraulic winch is fixed on an auxiliary frame of a chassis of the vehicle body through a winch mounting seat, one end of the traction rope is wound on the hydraulic winch, and the other end of the traction rope is connected with a road surface plate on the rotary platform after crossing a cab of the vehicle body.
Furthermore, a fixed hanging ring is arranged on the bracket assembly;
the guide rod is a folding rod; when the front laying mechanism is in an operation state, the guide rod is in an expansion state, and the guide rod is expanded into a long rod at the moment; one end of the guide rod is connected with the end part of the upper guide frame assembly, and the other end of the guide rod is connected with a rotary platform for placing the road slab; when the front laying mechanism is in a transportation state, the guide rod is in a folded state, and the guide rod is folded into a short rod; the guide rod is hung on a fixed hanging ring of the bracket.
Furthermore, a nylon cushion block is arranged on the outer surface of the guide rod.
Has the advantages that:
(1) the utility model integrally adopts an assembly type truss structure, can support and pull the road deck to cross the cab to realize the front pavement of the road deck, saves time, is convenient to operate, and is particularly suitable for narrow terrain conditions.
(2) Except the support assembly, other parts of the support assembly can be quickly disassembled and assembled, and the support assembly is convenient to replace and maintain.
(3) The upper roller and the lower roller of the utility model play a role in guiding the road deck to smoothly turn downwards to the bottom of the vehicle after crossing the cab, and the steering wheel plays a role in guiding the steel wire rope of the traction device to turn; the guide rollers play a role in guiding the pavement slab to move smoothly; the fixed riding wheel and the overturning riding wheel 15 play a role in guiding the smooth movement of the traction belt at the tail end of the road deck.
Drawings
FIG. 1 is a structural component diagram of the present invention;
FIG. 2 is a partial view of the left side view of FIG. 1;
FIG. 3 is a schematic view of a support assembly;
FIG. 4 is a block diagram of the upper guide frame assembly;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic diagram of the turning over of the idler;
FIG. 7 is a schematic view of a draft gear;
FIG. 8 is a schematic diagram of the operation of the present invention;
the device comprises a support, a front support assembly, a front support rod, a front guide frame assembly, a front support assembly, a traction device, a guide rod, a guide wheel, a guide rod.
Detailed Description
The utility model is described in detail below by way of example with reference to the accompanying drawings.
The present embodiment provides a hard road paving mechanism, which is mounted on a vehicle body, and referring to fig. 1, the hard road paving mechanism comprises: the device comprises a front support assembly 1, a front support rod 2, an upper guide frame assembly 3, a support assembly 4, a traction device 5 and a guide rod 6;
referring to fig. 2, the front seat assembly 1 is mounted on the front end of the cab of the vehicle body, and includes: an upper roller 7, a lower roller 8, a front support rod seat 9, a modified bumper 10 and a steering wheel 11; the modified bumper 10 is locally reinforced on the basis of an original bumper of the vehicle body and is reserved with mounting holes for mounting an upper roller 7, a lower roller 8, a front support rod seat 9 and a steering wheel 11; two ends of the modified bumper 10 are respectively provided with a front supporting rod seat 9, an upper roller 7 and a lower roller 8, and the upper roller 7 and the lower roller 8 are respectively positioned at the upper side and the lower side of the modified bumper 10; the middle part of the modified bumper 10 is provided with a steering wheel 11; the upper roller 7, the lower roller 8 and the steering wheel 11 are used for paving and guiding a hard pavement; the front support rod seat 9 is used for fixing the front support rod 2;
referring to fig. 3, the support assembly 4 is used for supporting the upper guide frame assembly 3, and includes: a bracket 16 and a lower connecting plate 18; the support 16 is a rigid frame structure formed by connecting a cross rod and a longitudinal rod, the bottom of the support 16 is arranged on a chassis crossbeam of the vehicle body through a lower connecting plate 18, and the load in the laying process is transmitted downwards; the top of the bracket 16 is provided with more than two upper connecting lugs 17; a fixed hanging ring is arranged on the side surface of the bracket 16;
referring to fig. 4-6, the upper guiding frame assembly 3 is used for supporting and guiding in the process of laying a hard pavement, and comprises: the device comprises an upper guide frame 12, a guide roller 13, a fixed riding wheel 14, a turnover riding wheel 15 and a pulley 21;
the upper guide frame 12 is of a steel truss structure and is formed by welding longitudinal beams and cross beams; the upper guide frame 12 includes: the first inclined frame section, the middle frame section and the second inclined frame section are connected in sequence; the dihedral angle between the first inclined frame section and the middle frame section and the dihedral angle between the middle frame section and the second inclined frame section are obtuse angles; the first inclined frame section and the second inclined frame section are bent in the same direction relative to the middle frame section, namely are bent downwards;
the middle part of the upper guide frame 12 is provided with more than two pulleys 21, the two pulleys 21 form a group, and more than two groups of pulleys 21 are arranged in parallel along the length direction of the upper guide frame 12;
the fixed riding wheels 14 are arranged on two sides of each end part of the upper guide frame 12 through connecting shafts;
the turning support wheels 15 are connected to two sides of each bending part of the upper guide frame 12 through turning shaft pins, and each turning support wheel 15 and the turning shaft thereof can be turned downwards relative to the middle frame section; the overturning riding wheel 15 can be overturned to ensure that the width limiting requirement of train transportation is met in the transportation state of the mechanism, and when the mechanism is in the transportation state, the overturning riding wheel 15 and an overturning shaft thereof are overturned downwards; when the mechanism is in an operating state, the overturning riding wheel 15 and the overturning shaft thereof reset, namely the overturning riding wheel 15 and the overturning shaft thereof are flush with the middle frame section and are locked through a pin shaft;
the end part of the second inclined frame section of the upper guide frame 12 and the intersection of the middle frame section and the second inclined frame section are respectively connected with an upper connecting lug 17 at the top of a bracket 16 of the bracket assembly 4 through a pin shaft in a pin joint mode to form a load transmission path; and the first oblique frame section and the middle frame section of the upper guide frame 12 are both positioned above the cab of the vehicle body;
one end of the front support rod 2 is hinged with the front support rod seat 9, and the other end of the front support rod is hinged with the end part of the first inclined frame section of the upper guide frame assembly 3, so that the front end of the upper guide frame assembly 3 is supported and the load of the laying process is assisted to be borne; the two ends of the front supporting rod 2 are hinged, so that the front supporting rod can be disassembled quickly; the cab of the vehicle body is positioned in the envelope range of the front support rod 2 and the upper guide frame assembly 3;
the guide rod 6 adopts a folding rod; when the mechanism is in an operating state, the guide rod 6 is in an unfolding state, and at the moment, the guide rod 6 is unfolded into a long rod; one end of the guide rod 6 is connected with the end part of the second inclined frame section of the upper guide frame assembly 3, and the other end of the guide rod is connected with a rotary platform for placing the road deck plate, and is used for supporting the road deck plate and guiding the road deck plate to move upwards when the road deck plate is laid; when the mechanism is in a transportation state, the guide rod 6 is in a folding state, and the guide rod 6 is folded into a short rod; the guide rod 6 is hung on a fixed hanging ring of the bracket 16; the outer surface of the guide rod 6 is provided with a nylon cushion block for weakening the friction between the road slab and the guide rod 6;
with reference to fig. 7, the traction device 5 for drawing road panels across the cab during the start of laying comprises: a hydraulic winch 19 and a traction rope 20; the hydraulic winch 19 is fixed on a sub-frame of a chassis of the vehicle body through a winch mounting seat, and the traction rope 20 is wound on the hydraulic winch 19; when the mechanism is in an operating state, the tail end of the traction rope 20 sequentially bypasses the pulley 21 of the upper guide frame 12 from the tail to the head of the vehicle body, the traction rope 20 turns at the steering wheel 11 of the front support assembly 1, returns to the upper guide frame assembly 3 again, sequentially bypasses the pulley 21 of the upper guide frame 12 from the head to the tail of the vehicle body, and then is connected with a road deck on the rotary platform;
the working principle is as follows: when the mechanism is in a transportation state, referring to the attached figure 6, the overturning riding wheel 15 and the overturning shaft thereof are overturned downwards, so that the upper guide frame assembly 3 is prevented from being too wide and cannot pass through a train tunnel; the guide rod 6 is in a folded state and is hung on a fixed hanging ring of the bracket 16;
when the mechanism is in an operating state, the overturning riding wheel 15 and the overturning shaft thereof reset; the guide rod 6 is in an unfolded state, one end of the guide rod 6 is connected with the end part of the second inclined frame section of the upper guide frame assembly 3, and the other end of the guide rod 6 is connected with a rotary platform for placing a road deck;
referring to fig. 8, the traction device 5 draws a road deck to pass through a guide rod 6, an upper guide frame assembly 3, a front support rod 2 and a front support assembly 1 in sequence, and after being supported and guided by a guide roller 13, a fixed supporting roller 14, a turning supporting roller 15 on the upper guide frame assembly 3 and an upper roller 7 and a lower roller 8 on the front support assembly 1, the road deck crosses a cab to enter between wheels of a vehicle body and the ground; when the vehicle is running in the forward direction, the road panels are sequentially compacted and paved on the ground; the upper roller 7 and the lower roller 8 play a role in guiding the road deck to smoothly turn downwards to the bottom of the vehicle after passing through the cab, and the steering wheel 11 plays a role in guiding the traction rope 20 of the traction device 5 to turn, namely the traction direction is changed after the traction rope 17 passes around the steering wheel 11; the upper guide frame 12 is used for ensuring the structural strength and rigidity of the pavement slab in the front laying process; the guide roller 13 is used for supporting and guiding the pavement slab in the front laying process; the fixed supporting roller 14 and the overturning supporting roller 15 are used for supporting and guiding a traction belt at the tail part of the road deck at the last stage of front laying of the road deck, and the traction belt pulls the tail end of the road deck to assist the road deck to stably land.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mechanism lays before hard road surface installs on the vehicle body, its characterized in that includes: the device comprises a front support assembly (1), a front support rod (2), an upper guide frame assembly (3), a support assembly (4), a traction device (5) and a guide rod (6);
the front support assembly (1) is arranged at the front end of a cab of the vehicle body, and a steering wheel (11) is arranged on the front support assembly (1);
the middle part of the upper guide frame assembly (3) is arranged on a chassis girder of the vehicle body through a support assembly (4), and the upper guide frame assembly (3) is positioned above a cab of the vehicle body; one end of the upper guide frame assembly (3) is installed on the front support assembly (1) through a front support rod (2), the other end of the upper guide frame assembly (3) is connected with one end of a guide rod (6), and the other end of the guide rod (6) is connected with a rotary platform for placing road slabs;
the upper guide frame assembly (3) is provided with a guide roller (13) for supporting and guiding the road deck and a pulley (21) for guiding a traction rope of the traction device (5);
the traction device (5) is installed on a chassis girder of the vehicle body, when the current laying mechanism works, a traction rope on the traction device (5) bypasses a pulley (21) of the upper guide frame assembly (3) from the tail of the vehicle body to the head direction and crosses a cab of the vehicle body, the traction rope (20) turns at a steering wheel (11) of the front support assembly (1) and returns to the upper guide frame assembly (3) again, and after sequentially bypassing the pulley (21) of the upper guide frame assembly (3) from the head of the vehicle body to the tail direction, the tail end of the traction rope (20) is connected with a road deck on the rotary platform.
2. The mechanism for laying a hard pavement according to claim 1, wherein the connection of the upper guide frame assembly (3) and the support assembly (4), the connection of the upper guide frame assembly (3) and the front support rod (2), the connection of the upper guide frame assembly (3) and the guide rod (6) and the connection of the guide rod (6) and the rotary platform are all detachably connected.
3. A rigid pavement paving mechanism as claimed in claim 1, wherein said upper guide frame assembly (3) further comprises: an upper guide frame (12) and a riding wheel;
the upper guide frame (12) is of a truss structure formed by welding longitudinal beams and cross beams;
more than two pulleys (21) are arranged in the middle of the upper guide frame (12), the two pulleys (21) form a group, and more than two groups of pulleys (21) are arranged in parallel along the length direction of the upper guide frame (12);
more than two guide rollers (13) are respectively and symmetrically arranged on two sides of the upper guide frame (12);
more than two riding wheels are symmetrically arranged on two sides of the upper guide frame (12) through connecting shafts respectively.
4. A rigid pavement paving machine as claimed in claim 3, characterized in that said upper guide frame (12) is bent downwards at both ends.
5. The hard-pavement front-laying mechanism according to claim 4, wherein said idler comprises: a fixed riding wheel (14) and a turnover riding wheel (15);
the fixed riding wheels (14) are respectively positioned at the end part of each side of the upper guide frame (12), the overturning riding wheel (15) is positioned in the middle of each side of the upper guide frame (12), and the height of the overturning riding wheel (15) relative to the ground is higher than that of the fixed riding wheels (14);
the connecting shaft of the fixed riding wheel (14) can not rotate;
the connecting shaft of the overturning riding wheel (15) can overturn downwards relative to the upper guide frame (12); at the moment, a connecting shaft of the overturning riding wheel (15) is an overturning shaft; when the front laying mechanism is in a transportation state, the overturning riding wheel (15) and the overturning shaft thereof are overturned downwards; when the front laying mechanism is in an operating state, the overturning riding wheel (15) and the overturning shaft thereof reset, namely the overturning riding wheel (15) and the overturning shaft thereof are flush with the upper guide frame (12).
6. A hard-pavement front-laying mechanism according to any one of claims 1-5, characterized in that said front-seat assembly (1) further comprises: an upper roller (7), a lower roller (8) and a front support rod seat (9);
a front supporting rod seat (9), an upper roller (7) and a lower roller (8) are respectively installed at two ends of a bumper of the vehicle body, and the upper roller (7) and the lower roller (8) are respectively positioned at the upper side and the lower side of the modified bumper (10);
the steering wheel (11) is mounted in the middle of the bumper.
7. A hard-pavement front-laying mechanism according to any one of claims 1-5, characterized in that said carriage assembly (4) comprises: a bracket (16) and a lower connecting plate (18);
the support (16) is a rigid frame structure formed by connecting a cross rod and a longitudinal rod, and the bottom of the support (16) is installed on a chassis crossbeam of the vehicle body through a lower connecting plate (18); the top of the bracket (16) is provided with more than two upper connecting lugs (17) which are used for being connected with the upper guide frame assembly (3).
8. A hard-pavement pre-laying mechanism according to any one of claims 1-5, characterized in that said traction means (5) further comprises: a hydraulic winch (19);
the hydraulic winch (19) is fixed on an auxiliary frame of a chassis of the vehicle body through a winch mounting seat, one end of the traction rope (20) is wound on the hydraulic winch (19), and the other end of the traction rope is connected with a road surface plate on the rotary platform after crossing a cab of the vehicle body.
9. A hard-pavement front-laying mechanism according to any one of claims 1-5, characterized in that a fixed suspension loop is arranged on the bracket assembly (4);
the guide rod (6) adopts a folding rod; when the front laying mechanism is in an operation state, the guide rod (6) is in an expansion state, and at the moment, the guide rod (6) is expanded into a long rod; one end of the guide rod (6) is connected with the end part of the upper guide frame assembly (3), and the other end is connected with a rotary platform for placing the road slab; when the front laying mechanism is in a transportation state, the guide rod (6) is in a folded state, and the guide rod (6) is folded into a short rod; the guide rod (6) is hung on a fixed hanging ring of the bracket (16).
10. A rigid pre-surfacing mechanism according to claim 9, characterized in that the outer surface of the guiding rod (6) is fitted with nylon pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202897.8U CN215593597U (en) | 2021-05-31 | 2021-05-31 | Paving mechanism before hard pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202897.8U CN215593597U (en) | 2021-05-31 | 2021-05-31 | Paving mechanism before hard pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593597U true CN215593597U (en) | 2022-01-21 |
Family
ID=79874122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121202897.8U Active CN215593597U (en) | 2021-05-31 | 2021-05-31 | Paving mechanism before hard pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373772A (en) * | 2021-05-31 | 2021-09-10 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Paving mechanism before hard pavement |
| CN116219845A (en) * | 2022-12-26 | 2023-06-06 | 中国船舶重工集团应急预警与救援装备股份有限公司 | System and method for paving hard motor road surface in front |
-
2021
- 2021-05-31 CN CN202121202897.8U patent/CN215593597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373772A (en) * | 2021-05-31 | 2021-09-10 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Paving mechanism before hard pavement |
| CN116219845A (en) * | 2022-12-26 | 2023-06-06 | 中国船舶重工集团应急预警与救援装备股份有限公司 | System and method for paving hard motor road surface in front |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215593597U (en) | Paving mechanism before hard pavement | |
| CN101559793B (en) | Highway and railway two-purpose rail pavement tractor | |
| CN110130229A (en) | It a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method | |
| CN201400057Y (en) | Track setting-assistant tractor used for highway and railway | |
| US20050166787A1 (en) | Vehicle that can be driven on both roads and railroad tracks | |
| CN110722940A (en) | Highway-railway dual-purpose bidirectional driving traction and cargo carrying transport vehicle and use method thereof | |
| JPS6026882B2 (en) | Track straightening machine that can run both on the road and on the track | |
| JPH09156500A (en) | Rack type rail road transportation device and track construction method using it | |
| CN108590745B (en) | Transportation method and transportation structure for shield tunnel construction | |
| CN111439280A (en) | Novel universal construction transport vehicle for subway main track and use method thereof | |
| CN113373772A (en) | Paving mechanism before hard pavement | |
| JPH07145603A (en) | Concrete injection device of sleeper spacing | |
| CN205661356U (en) | Plate obstacles removing car | |
| CN201745475U (en) | Girder transporter capable of passing through tunnel on ultra-low mountain terrain | |
| CN201023435Y (en) | Bidirectional running slag-free rail transport vehicle | |
| KR20120073109A (en) | Frame apparatus for lower traveling body | |
| CN212125119U (en) | Novel general construction transport vechicle of subway main track | |
| CZ299019B6 (en) | Vehicle | |
| CN210047388U (en) | Girder transporting vehicle for transporting segmental girders | |
| CN206143841U (en) | Draw gear is assisted to crawler -mounted excavator | |
| CN201769895U (en) | Rear frame of underground service vehicle | |
| CN219134343U (en) | Track and tire dual-mode steel rail tractor | |
| JP2004331032A (en) | Super-lengthy cargo transportation vehicle and traveling pivoting truck | |
| CN203047011U (en) | Multifunctional transport vehicle for low and narrow roadways | |
| CN204371099U (en) | Pigging machine with integral derrick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |