CN111550269A - Self-propelled removes inverted arch landing stage - Google Patents
Self-propelled removes inverted arch landing stage Download PDFInfo
- Publication number
- CN111550269A CN111550269A CN202010461856.4A CN202010461856A CN111550269A CN 111550269 A CN111550269 A CN 111550269A CN 202010461856 A CN202010461856 A CN 202010461856A CN 111550269 A CN111550269 A CN 111550269A
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- China
- Prior art keywords
- sliding
- main body
- inverted arch
- lifting
- bridge main
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
Abstract
The invention provides a self-propelled movable inverted arch trestle, which can adjust the left and right positions of an inverted arch template system and a bridge main body through a transverse hydraulic oil cylinder, can adjust the front and back positions of the inverted arch template system through a trestle travelling mechanism, and can adjust the vertical height of the inverted arch template system through a lifting mechanism on the inverted arch template system, so that the positioning of the inverted arch template system is more accurate and rapid, and the construction requirement of high standard can be met; moreover, the inverted arch formwork system can realize inverted arch operation construction of the whole tunnel with the same section after being installed once, assembly and disassembly of formworks are omitted, full-automatic machinery is adopted to control movement and positioning, labor intensity of workers is greatly reduced, labor cost is saved, and construction efficiency and construction quality are improved.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a self-propelled movable inverted arch trestle.
Background
The tunnel construction operation time tunnel is narrow and small, and the construction space is less leads to the construction face to concentrate, owing to receive the restriction of space size, the mutual measure between the tunnel construction process, and is very big in the influence. Such as: the mutual interference between inverted arch template construction feeding and face excavation slag tapping makes tunnel construction inefficiency and safety receive very big influence. The traditional method is that simple I-steel is generally adopted for welding to form a simple arch-shaped bridge, the bridge is simply placed between a poured inverted arch template and a bottom plate to be excavated to serve as an inverted arch template trestle, the traditional method is that a fixed structure is adopted, adaptability and flexibility are poor, not only is the construction quality of the inverted arch template difficult to control, but also excavation and lining cannot be synchronously carried out, so that the labor intensity is high, safety accidents are frequent, the construction efficiency is very low, and the tunnel construction speed is greatly reduced. In order to complete tasks, construction enterprises have to intensively allocate resources in a narrow space of a tunnel, and good progress of other operation surfaces cannot be well considered while single tunnel face tunneling is propelled, so that follow-up of secondary lining is difficult to guarantee.
Disclosure of Invention
The invention aims to provide the self-propelled movable inverted arch trestle, which can realize the rapid inverted arch operation construction of the whole tunnel with the same section, saves the assembly and disassembly of templates, greatly reduces the labor intensity of workers, and improves the construction efficiency and the construction quality.
In order to achieve the purpose, the invention adopts the technical scheme that: a self-propelled movable inverted arch trestle comprises a central ditch template, a material conveying device for blanking, a bridge main body and inverted arch template systems arranged on the left side and the right side of the bridge main body, wherein the central ditch template is positioned at the bottom of the tail end of the bridge main body, a front approach bridge and a rear approach bridge are respectively arranged on the front side and the rear side of the bridge main body, a slide rail is fixedly arranged at the top of the front end of the bridge main body along the length direction of the bridge main body, a front lifting support leg for supporting the front end of the bridge main body is fixedly arranged on a transverse cross beam arranged at the bottom of the front end of the bridge main body, a transverse hydraulic oil cylinder for connecting the bridge main body is arranged at the top of the transverse cross beam, a rear lifting support leg is arranged at the middle position of the bridge main body, a slide rail is fixedly arranged at the top of the front end of the bridge main body along the arrangement direction, the front ends of the central ditch template and the inverted arch template system are connected to a traction plate together, the top of the traction plate is connected with a rear lifting supporting leg through a lifting mechanism, the tail ends of the central ditch template and the inverted arch template system are provided with liftable traction travelling mechanisms, and the tail end of the bridge main body is also provided with a liftable trestle travelling mechanism.
Furthermore, the back lift supporting leg comprises the landing leg mechanism that two sets of symmetries set up and is used for connecting crossbeam between them, and the top of connecting the crossbeam is fixed and is provided with the cylinder that a plurality of is used for supporting the bridge main part, and under landing stage running gear's drive, the bridge main part can slide on the cylinder that sets up on the back lift supporting leg and pass through.
Furthermore, the top inboard of landing leg mechanism is provided with can be on the slide rail gliding indulge slide mechanism that moves, indulge and move slide mechanism including setting up the slip casing in landing leg mechanism inboard, the inside of slip casing is provided with sliding motor and the symmetry sets up two sets of movable pulleys in the sliding motor both sides, and two sets of movable pulleys all link to each other with sliding motor through the driving medium, and this driving medium includes but not only is limited to chain and belt.
Further, landing leg mechanism includes two parallel arrangement's lift legs and is used for connecting that connection longeron between them is constituteed, and the bottom detachable of lift leg is provided with the sliding sleeve, slides in the sliding sleeve and is provided with the sliding body, and the one end that the sliding sleeve was kept away from to the sliding body is provided with the bottom plate, is provided with lift cylinder I between lift leg and the bottom plate, and one of them lift leg passes through elevating system and invert template system link to each other.
Further, the bridge main body comprises a front main body and a rear main body detachably connected with the front main body, and the top of the front main body is provided with the slide rail.
Further, the lifting mechanism is a hydraulic oil cylinder.
Furthermore, pull running gear including setting up the mounting bracket on central ditch template or invert template system lateral wall, the inside of mounting bracket is provided with lift cylinder II, and lift cylinder II's lower extreme is provided with walking wheel I.
Further, landing stage running gear is provided with lift cylinder III including setting up the mount pad on the bridge main part lateral wall on the mount pad, lift cylinder III's lower extreme is provided with the walking wheel II that drives the walking by the walking motor.
Furthermore, the material conveying device comprises a feeding groove which is obliquely arranged, the bottom of the front end of the feeding groove is connected with the top of the support frame through a reinforcing piece, a feeding pulley II is arranged at the bottom of the support frame, a sliding box is arranged on one side of the top of the support frame, an opening is formed in the bottom of the sliding box, an inward-concave antifouling plate is arranged at the opening, a plurality of feeding pulleys I capable of sliding along the sliding rail are arranged in the sliding box at intervals, the bottom of the tail end of the feeding groove is connected with the middle position of the support frame through a support rod, and the feeding pulley I and the support rod are hinged;
the reinforcing part is integrally of a U-shaped steel structure, one end of the U-shaped steel structure is bent inwards to form an inclined plane matched with the inclination angle of the feeding groove.
Furthermore, a sliding groove matched with the feeding pulley II is formed in the side wall of the bridge main body.
Compared with the prior art, the invention has the beneficial effects that:
1. the inverted arch construction method can realize inverted arch operation construction of the whole tunnel with the same section after one-time installation, saves the assembly and disassembly of the template, adopts full-automatic machinery to control movement and positioning, greatly reduces the labor intensity of workers, saves the labor cost, and improves the construction efficiency and the construction quality;
2. according to the invention, the demoulding of the template adopts a hydraulic mode of matching the lifting mechanism and the traction plate, so that the labor intensity of workers is greatly reduced, and the construction efficiency is improved;
3. the inverted arch template system is detachably connected with the bridge main body, the separation mode is simple, the inverted arch template can not interfere with other procedures during the procedures of inverted arch excavation, steel bar binding and the like, and the control is flexible and convenient;
4. the left and right positions of the inverted arch template system and the bridge main body can be adjusted through the transverse hydraulic oil cylinder, the front and rear positions of the inverted arch template system can be adjusted through the trestle travelling mechanism, and the vertical height of the inverted arch template system can be adjusted through the lifting mechanism on the inverted arch template system, so that the inverted arch template system is positioned more accurately and quickly, and high-standard construction requirements can be met;
5. the lifting mechanism on the inverted arch template system can realize automatic and rapid demoulding of the integral inverted arch template, greatly improve the construction efficiency and reduce the labor intensity of workers;
6. after the bridge main body and the inverted arch template system are assembled at one time, the construction of the whole tunnel can be completed without disassembling again under the same tunnel section, and the construction efficiency is greatly improved;
7. material transportation device can freely slide on the slide rail that sets up in the bridge main part through the pay-off pulley I that sets up in the slip incasement, it realizes stably installing to assist can be on the lateral wall of bridge main part free gliding pay-off pulley II, the mounting means is simple reliable, and the position of regulation material transportation device in the bridge main part that can be convenient, and simultaneously, the bottom of chute feeder is provided with the inclination assorted reinforcement with the chute feeder to can prevent to damage because of the too big of chute feeder bearing.
Drawings
FIG. 1 is a schematic view of the overall structure of a self-propelled mobile inverted arch trestle of the present invention;
FIG. 2 is a schematic view showing the connection of the main bridge body, the front lifting support leg and the rear lifting support leg according to the present invention;
FIG. 3 is a schematic structural view of the rear lifting support leg of the present invention;
FIG. 4 is a schematic view of the structure of the longitudinal sliding mechanism according to the present invention;
FIG. 5 is a schematic structural view of the traction mechanism of the present invention;
FIG. 6 is a schematic structural diagram of a trestle travelling mechanism according to the present invention;
FIG. 7 is a schematic view of the construction of the material handling apparatus of the present invention;
FIG. 8 is a schematic view showing the structure of the sliding box of the present invention;
the labels in the figure are: 1. a bridge main body, 101, a sliding rail, 102, a front main body, 103, a rear main body, 104, a mounting seat, 105, lifting oil cylinders III, 106, a walking motor, 107, walking wheels II, 2, a transverse beam, 3, a front lifting supporting leg, 4, a transverse hydraulic oil cylinder, 5, a rear lifting supporting leg, 501, a connecting beam, 502, a roller, 503, a longitudinal movement sliding mechanism, 5031, a sliding shell, 5032, a sliding motor, 5033, a sliding wheel, 5034, a transmission piece, 504, a lifting leg, 505, a connecting longitudinal beam, 506, a sliding sleeve, 507, a sliding body, 508, a bottom plate, 6, a lifting mechanism, 7, an inverted arch template system, 701, a mounting frame, 702, a lifting oil cylinder II, a walking wheel I, 8, a traction plate, 9, a material transportation device, 901, a feeding chute, 902, a reinforcing piece, 703, a supporting frame, 904, a feeding pulley II, 905, a sliding box, 906, an antifouling plate, 907, and a feeding pulley, 908. the device comprises a support rod 10, a central ditch template 11, a rear approach bridge 12, a front approach bridge 13, a traction travelling mechanism 14 and a trestle travelling mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.
A self-propelled movable inverted arch trestle comprises a central ditch template 10, a material conveying device 9 for blanking, a bridge main body 1 and inverted arch template systems 7 arranged on the left side and the right side of the bridge main body 1, wherein the central ditch template 10 is positioned at the tail end bottom of the bridge main body 1, the front side and the rear side of the bridge main body 1 are respectively provided with a front approach bridge 12 and a rear approach bridge 11, the front end bottom and the tail end bottom of the bridge main body 1 are both provided with a transverse cross beam 2 in a sliding manner, a front lifting support leg 3 for supporting the front end of the bridge main body 1 is fixedly arranged on the transverse cross beam 2 arranged at the front end bottom of the bridge main body 1, the top of the transverse cross beam 2 is provided with a transverse hydraulic oil cylinder 4 for connecting the bridge main body 1, a rear lifting support leg 5 is arranged at the middle position of the bridge main body 1, the top of the front end of the bridge main body 1 is fixedly provided with a slide rail 101 along the arrangement, the material conveying device 9 and the rear lifting supporting leg 5 are both slidably mounted on the sliding rail 101, the front ends of the central ditch template 10 and the inverted arch template system 7 are connected to a traction plate 8 together, the top of the traction plate 8 is connected with the rear lifting supporting leg 5 through a lifting mechanism 6, and the tail ends of the central ditch template 10 and the inverted arch template system 7 are both provided with a lifting traction walking mechanism 13; the tail end of the bridge main body 1 is also provided with a liftable trestle travelling mechanism 14. The left and right positions of the inverted arch template system and the bridge main body 1 can be adjusted through the transverse hydraulic oil cylinder 4, and the front and rear positions of the inverted arch template system can be adjusted through the trestle travelling mechanism, wherein the rear lifting support leg 5 needs to be lifted when the left and right positions of the bridge main body 1 are adjusted, and the front lifting support leg 3 needs to be lifted when the front and rear positions of the inverted arch template system are adjusted; the vertical height of the inverted arch template system can be adjusted through the lifting mechanism on the inverted arch template system, so that the inverted arch template system can be positioned more accurately and quickly, and the high-standard construction requirements can be met.
Further optimize this scheme, as shown in fig. 3, back lift supporting leg 5 comprises the landing leg mechanism that two sets of symmetries set up and is used for connecting crossbeam 501 between them, connects the fixed cylinder 502 that is provided with a plurality of and is used for supporting bridge main part 1 in the top of crossbeam 501, and under the drive of landing stage running gear 14, bridge main part 1 can slide on the cylinder 502 that sets up on back lift supporting leg 5 and pass through. The invention adopts full-automatic machinery to control movement and positioning, greatly reduces the labor intensity of workers, saves the labor cost and improves the construction efficiency and the construction quality; and moreover, the inverted arch template system is detachably connected with the bridge main body, the separation mode is simple, the inverted arch template can not interfere with other procedures during the procedures of inverted arch excavation, steel bar binding and the like, and the control is flexible and convenient.
Further optimizing the scheme, as shown in fig. 4, a longitudinal sliding mechanism 503 capable of sliding on the sliding rail 101 is disposed inside the leg mechanism, the longitudinal sliding mechanism 503 includes a sliding housing 5031 disposed inside the leg mechanism, a sliding motor 5032 and two sets of sliding wheels 5033 symmetrically disposed on both sides of the sliding motor 5032 are disposed inside the sliding housing 5031, both sets of sliding wheels 5033 are connected to the sliding motor 5032 through a transmission member 5034, and the transmission member 5034 includes, but is not limited to, a chain and a belt.
Further optimizing this scheme, landing leg mechanism includes that two symmetry set up lift legs 504 and be used for connecting longeron 505 constitution between them, and the bottom detachable of lift leg 504 is provided with sliding sleeve 506, and the inboard slip of sliding sleeve 506 is provided with the sliding body 507, and the one end that the sliding body 507 keeps away from sliding sleeve 506 is provided with bottom plate 508, is provided with lift cylinder I between lift leg 504 and the bottom plate 508, one of them lift leg 504 pass through elevating system 6 link to each other with inverted arch template system 7.
Further optimize this scheme, in order to prevent to cause the interference to other subassemblies, the longitudinal section that traction plate 8 set up and traction plate 8 along vertical direction is crescent.
Further optimizing the scheme, the bridge main body 1 comprises a front main body 102 and a rear main body 103 detachably connected with the front main body 102, and the slide rail 101 is arranged at the top of the front main body 102.
Further optimize this scheme, elevating system 6 is hydraulic cylinder.
As shown in fig. 5, the traction traveling mechanism 13 includes an installation frame 701 disposed on the side walls of the central gutter template 10 and the inverted arch template system 7, a lifting cylinder ii 702 is disposed inside the installation frame 701, and a traveling wheel i 703 is disposed at the lower end of the lifting cylinder ii 702.
As shown in fig. 6, the trestle travelling mechanism 14 includes a mounting base 104 arranged on the side wall of the bridge main body 1, a lifting cylinder iii 105 is arranged on the mounting base 104, and a travelling wheel ii 107 driven by a travelling motor 106 to travel is arranged at the lower end of the lifting cylinder iii 105.
Further optimizing the scheme, as shown in fig. 7 and 8, the material conveying device 9 includes a feeding chute 901 which is obliquely arranged, the bottom of the front end of the feeding chute 901 is connected with the top of the support frame 903 through a reinforcing member 902, a feeding pulley ii 904 is arranged at the bottom of the support frame 903, a sliding box 905 is arranged on one side of the top of the support frame 903, the bottom of the sliding box 905 is provided with an opening and an inward-concave antifouling plate 906 is arranged at the opening, a plurality of feeding pulleys i 907 which can slide along the sliding rail 101 are arranged in the sliding box 905 at intervals, the bottom of the tail end of the feeding chute 901 is connected with the middle position of the support frame 903 through a support rod 908, and the feeding chute 901 and the support rod 908 are hinged;
the reinforcing member 902 is integrally formed in a U-shaped steel structure, and one end of the U-shaped steel structure is bent inward to form an inclined surface matched with the inclination angle of the feeding chute 901. Material transportation device can freely slide on the slide rail that sets up in the bridge main part through the pay-off pulley I that sets up in the slip incasement, it realizes stably installing to assist can be on the lateral wall of bridge main part free gliding pay-off pulley II, the mounting means is simple reliable, and the position of regulation material transportation device in the bridge main part that can be convenient, and simultaneously, the bottom of chute feeder is provided with the inclination assorted reinforcement with the chute feeder to can prevent to damage because of the too big of chute feeder bearing.
Further optimize this scheme, set up the spout with II 904 assorted of pay-off pulley on the lateral wall of bridge main part 1.
After the bridge main body and the inverted arch template system are assembled at one time, the construction of the whole tunnel can be completed without being disassembled again under the same tunnel section, and the construction efficiency is greatly improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a self-propelled removes inverted arch trestle, includes central ditch template (10), is used for material transportation device (9) of unloading, bridge subject (1) and sets up inverted arch template system (7) in bridge subject (1) left and right both sides, and central ditch template (10) are located the terminal bottom of bridge subject (1), and preceding, the back both sides of bridge subject (1) are provided with preceding approach (12) and back approach (11) respectively, its characterized in that: the front end bottom and the tail end bottom of the bridge main body (1) are both provided with a transverse cross beam (2) in a sliding manner, a front lifting support leg (3) used for supporting the front end of the bridge main body (1) is fixedly arranged on the transverse cross beam (2) arranged at the front end bottom of the bridge main body (1), the top of the transverse cross beam (2) is provided with a transverse hydraulic oil cylinder (4) used for connecting the bridge main body (1), a rear lifting support leg (5) is arranged at the middle position of the bridge main body (1), the top of the front end of the bridge main body (1) is fixedly provided with a slide rail (101) along the length direction thereof, a material conveying device (9) and the rear lifting support leg (5) are both arranged on the slide rail (101) in a sliding manner, the front ends of a central ditch template (10) and an inverted arch template system (7) are connected to a traction plate (8) together, the top of the traction plate (8) is connected with the rear lifting support leg (5, the tail ends of the central ditch template (10) and the inverted arch template system (7) are provided with liftable traction traveling mechanisms (13), and the tail end of the bridge main body (1) is also provided with liftable trestle traveling mechanisms (14).
2. A self-propelled mobile invert trestle according to claim 1, characterised in that: the rear lifting supporting leg (5) is composed of two sets of symmetrically arranged supporting leg mechanisms and a connecting cross beam (501) used for connecting the two supporting leg mechanisms, a plurality of rollers (502) used for supporting the bridge main body (1) are fixedly arranged at the top of the connecting cross beam (501), and the bridge main body (1) can slide on the rollers (502) arranged on the rear lifting supporting leg (5) under the drive of the trestle travelling mechanism (14).
3. A self-propelled mobile invert trestle according to claim 2, characterised in that: the inner side of the top end of the leg mechanism is provided with a longitudinal movement sliding mechanism (503) capable of sliding on the sliding rail (101), the longitudinal movement sliding mechanism (503) comprises a sliding shell (5031) arranged on the inner side of the leg mechanism, a sliding motor (5032) and two groups of sliding wheels (5033) symmetrically arranged on two sides of the sliding motor (5032) are arranged in the sliding shell (5031), the two groups of sliding wheels (5033) are connected with the sliding motor (5032) through a transmission piece (5034), and the transmission piece (5034) comprises but is not limited to a chain and a belt.
4. A self-propelled mobile invert trestle according to claim 3, characterised in that: the supporting leg mechanism comprises two lifting legs (504) arranged in parallel and a connecting longitudinal beam (505) used for connecting the two lifting legs, the bottom of each lifting leg (504) is detachably provided with a sliding sleeve (506), a sliding body (507) is arranged in the sliding sleeve (506) in a sliding mode, one end, far away from the sliding sleeve (506), of the sliding body (507) is provided with a bottom plate (508), a lifting oil cylinder I is arranged between each lifting leg (504) and the corresponding bottom plate (508), and one lifting leg (504) is connected with an inverted arch template system (7) through a lifting mechanism (6).
5. A self-propelled mobile inverted arch trestle according to claim 4, characterised in that: the bridge main body (1) comprises a front main body (102) and a rear main body (103) detachably connected with the front main body (102), and the top of the front main body (102) is provided with the sliding rail (101).
6. A self-propelled mobile inverted arch trestle according to claim 4, characterised in that: the lifting mechanism (6) is a hydraulic oil cylinder.
7. A self-propelled mobile invert trestle according to claim 1, characterised in that: the traction walking mechanism (13) comprises an installation frame (701) arranged on the side wall of the central ditch template (10) or the inverted arch template system (7), a lifting oil cylinder II (702) is arranged inside the installation frame (701), and a walking wheel I (703) is arranged at the lower end of the lifting oil cylinder II (702).
8. A self-propelled mobile invert trestle according to claim 1, characterised in that: the trestle travelling mechanism (14) comprises a mounting seat (104) arranged on the side wall of the bridge main body (1), a lifting oil cylinder III (105) is arranged on the mounting seat (104), and a travelling wheel II (107) driven by a travelling motor (106) to travel is arranged at the lower end of the lifting oil cylinder III (105).
9. A self-propelled mobile invert trestle according to claim 1, characterised in that: the material conveying device (9) comprises a feeding groove (901) which is obliquely arranged, the bottom of the front end of the feeding groove (901) is connected with the top of a supporting frame (903) through a reinforcing piece (902), a feeding pulley II (904) is arranged at the bottom of the supporting frame (903), a sliding box (905) is arranged on one side of the top of the supporting frame (903), an opening is formed in the bottom of the sliding box (905), an inward-concave antifouling plate (906) is arranged at the opening, a plurality of feeding pulleys I (907) capable of sliding along a sliding rail (101) are arranged in the sliding box (905) at intervals, the bottom of the tail end of the feeding groove (901) is connected with the middle of the supporting frame (903) through a supporting rod (908), and the two feeding pulleys are hinged to the supporting rod (908);
the reinforcing piece (902) is integrally of a U-shaped steel structure, one end of the U-shaped steel structure is bent inwards to form an inclined plane matched with the inclined angle of the feeding groove (901).
10. A self-propelled mobile invert trestle according to claim 9, characterised in that: and a sliding groove matched with the feeding pulley II (904) is formed in the side wall of the bridge main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461856.4A CN111550269A (en) | 2020-05-27 | 2020-05-27 | Self-propelled removes inverted arch landing stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461856.4A CN111550269A (en) | 2020-05-27 | 2020-05-27 | Self-propelled removes inverted arch landing stage |
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| Publication Number | Publication Date |
|---|---|
| CN111550269A true CN111550269A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010461856.4A Pending CN111550269A (en) | 2020-05-27 | 2020-05-27 | Self-propelled removes inverted arch landing stage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921818A (en) * | 2021-02-05 | 2021-06-08 | 洛阳理工学院 | Sliding trolley for moving trestle |
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| CN205370595U (en) * | 2016-03-17 | 2016-07-06 | 湖南五新机械有限公司 | Automatic hydraulic pressure inverted arch landing stage platform truck |
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| CN205370595U (en) * | 2016-03-17 | 2016-07-06 | 湖南五新机械有限公司 | Automatic hydraulic pressure inverted arch landing stage platform truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112921818A (en) * | 2021-02-05 | 2021-06-08 | 洛阳理工学院 | Sliding trolley for moving trestle |
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Application publication date: 20200818 |