CN113430929A - Self-propelled beam bottom working trolley at central separation zone of bridge - Google Patents
Self-propelled beam bottom working trolley at central separation zone of bridge Download PDFInfo
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- CN113430929A CN113430929A CN202110893138.9A CN202110893138A CN113430929A CN 113430929 A CN113430929 A CN 113430929A CN 202110893138 A CN202110893138 A CN 202110893138A CN 113430929 A CN113430929 A CN 113430929A
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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Abstract
The application discloses bridge central authorities 'bank of note department self-propelled breast workstation relates to the field of bridge maintenance engineering, and it includes motion section, linkage segment, operation platform and reinforcement subassembly, motion section, linkage segment and operation platform are frame construction, the motion section is located the linkage segment top, motion section and linkage segment are connected, operation platform includes two at least guardrails and a plurality of crossbeam, guardrail and linkage segment are articulated, the guardrail interval sets up, the crossbeam is located between two guardrails, the length direction interval setting of guardrail is followed to the crossbeam, the connection can be dismantled to crossbeam and guardrail, reinforcement subassembly can transmit operation platform's load to the linkage segment. The application can improve the convenience of maintaining the beam bottom structure at the central separation zone of the bridge.
Description
Technical Field
The application relates to the field of bridge maintenance engineering, in particular to a self-propelled beam bottom working trolley at a central separation belt of a bridge.
Background
Along with the improvement of traffic carrying capacity, in order to reduce occupation of land resources, a large number of bridges are built by people, long-time maintenance is needed after the bridge construction is completed, and a beam bottom working platform is needed to be used when the bridge beam bottom is maintained.
In the related art, chinese utility model patent with the publication number CN205046488U discloses a truss type simple working platform based on bridge maintenance, which comprises a bridge deck truss car, a vertical truss, a cantilever frame, a first protective structure, a second protective structure and a counterweight, wherein the bridge deck truss car is flatly placed on the surface of a bridge near the edge; the vertical truss is vertically arranged on one side of the bridge, and the cantilever frame is transversely arranged below the bridge; the upper end of the vertical truss is detachably connected with the bridge deck truss vehicle, and the lower end of the vertical truss is detachably connected with one end of the cantilever frame; a connecting device for stabilizing the cantilever frame is arranged between the cantilever frame and the vertical truss; the first protection structure is arranged on the outer side of the vertical truss, and the second protection structure is arranged on the outer side of the cantilever frame; the balancing weight is installed on the base.
To the correlation technique among the above-mentioned, the inventor thinks that when using the work platform among the correlation technique to maintain bridge beam bottom structure, because bridge beam bottom fixedly connected with bearing pile, bridge beam bottom structure can cause the hindrance to work platform, and operating personnel is great to the degree of difficulty of maintaining bridge central separation strip department beam bottom structure.
Disclosure of Invention
In order to improve the convenience of maintaining bridge central separation strip department beam bottom structure, this application provides a self-propelled beam bottom work trolley of bridge central separation strip department.
The application provides a pair of bridge central authorities division strip department self-propelled bottom of a beam workstation car adopts following technical scheme:
the utility model provides a bridge central authorities division strip department self-propelled breast of a beam workstation, includes motion section, linkage segment, operation platform and reinforcement subassembly, motion section, linkage segment and operation platform are frame construction, the motion section is located the linkage segment top, motion section and linkage segment are connected, operation platform includes two at least guardrails and a plurality of crossbeam, guardrail and linkage segment are articulated, the guardrail interval sets up, the crossbeam is located between two guardrails, the crossbeam sets up along the length direction interval of guardrail, the connection can be dismantled to crossbeam and guardrail, reinforcement subassembly can transmit operation platform's load to the linkage segment.
By adopting the technical scheme, the moving section is arranged at the top of the bridge dividing strips, the connecting section is hinged with the guardrail after passing through the gap between the central dividing strips of the bridge, the reinforcing assembly is used for transferring the load born by the operation platform to the connecting section, an operator stands in the area formed by the connection of the guardrail and the cross beam to overhaul the structure at the bottom of the bridge beam, when meeting the bearing pile at the bottom of the bridge, an operator firstly disassembles the cross beam and the guardrail, the connection state of the cross beam and the guardrail is released, the operator rotates the cross beam around the hinged part of the connecting section, the angle between the cross beam and the bridge division strip is changed from vertical to parallel, after the direction of the cross beam is changed, the motion section drives the connecting section and the operation platform to pass through the bearing pile of the bridge, so that the beam bottom working platform can conveniently pass through the bearing pile of the bridge, the possibility that the bearing pile of the bridge obstructs the beam bottom working platform is reduced, and the convenience for maintaining the beam bottom structure at the central separation zone of the bridge is improved.
Optionally, the motion section includes link, support frame and walking piece, the link is located the link top, the connection can be dismantled to link and link, the support frame is provided with two at least, the support frame is located the lateral wall of link, the connection can be dismantled to support frame and link, the walking piece is provided with two at least, walking piece and support frame correspond the setting, the walking piece is located the bottom of support frame.
Through adopting above-mentioned technical scheme, the link passes through the support frame and supports, and the walking piece is located the bottom of support frame, and the walking piece can drive the support frame and move along bridge central separation strip, improves the convenience of operation platform along the motion of bridge central separation strip, makes things convenient for operating personnel to inspect bridge beam bottom structure.
Optionally, the reinforcing assembly comprises a plurality of first inhaul cables, the first inhaul cables are arranged in an inclined mode, one ends of the first inhaul cables are connected with the connecting section, and the other ends of the first inhaul cables are connected with the operation platform.
Through adopting above-mentioned technical scheme, first cable is used for overcoming the gravity that operation platform self received, reduces the possibility that operation platform receives self gravity to influence and lead to buckling, makes things convenient for operating personnel to stand simultaneously and maintains the beam bottom structure of bridge central separation area at the operation platform top, improves the convenience of maintaining bridge central separation area department beam bottom structure.
Optionally, the distance between the end of the guardrail on the side away from the connecting section and the connecting section is less than or equal to 6 m.
Through adopting above-mentioned technical scheme, the guardrail marginal distance is less than or equal to 6m apart from the interval of linkage segment, can reduce the guardrail overlength and lead to buckling or the possibility that takes place to topple, improves operating personnel and stands on operation platform and overhauls bridge beam bottom structure.
Optionally, a protective net is arranged at the bottom of the connecting section, and the protective net is connected with the connecting section.
By adopting the technical scheme, the protective net is arranged at the bottom of the connecting section, so that the maintenance safety of the beam bottom structure below the middle partition belt of the bridge can be improved when an operator stands on the cross beam, the personal safety of the operator is improved, and the maintenance safety of the beam bottom structure at the central partition belt of the bridge is improved when the operator maintains the beam bottom structure.
Optionally, the reinforcing assembly further comprises a plurality of second guys, the second guys are arranged between the protective net and the guardrail, the second guys are arranged obliquely along the edge and are connected with one end of the protective net and the other end of the second guy is connected with the guardrail.
Through adopting above-mentioned technical scheme, the second cable can reduce guardrail and crossbeam and connect the back, guardrail and the week side along the protection network take place pivoted possibility, conveniently with the torsion of operation platform motion production to the protection network transmission, improve the reliability that linkage segment and operation platform are connected, reduce the junction of guardrail and linkage segment and take place the fracture possibility of buckling.
Optionally, the connecting section further comprises an auxiliary supporting part, and the auxiliary supporting part is connected with the side wall of the connecting section.
Through adopting above-mentioned technical scheme, through setting up the auxiliary stay part, the auxiliary stay part can support linkage segment and bridge body lateral wall, reduces linkage segment and bridge body lateral wall and takes place the possibility of friction, improves the life of linkage segment, makes things convenient for operating personnel to overhaul bridge central authorities' division strip department beam-bottom structure on operation platform.
Optionally, the auxiliary supporting component comprises a roller and an air pressure rod, one end of the air pressure rod is fixedly connected with the connecting section, and the other end of the air pressure rod is rotatably connected with the roller.
Through adopting above-mentioned technical scheme, through setting up gyro wheel and pneumatic rod, the gyro wheel laminates with the bridge lateral wall, and when the linkage segment leaned on the bridge lateral wall, the gyro wheel promoted the pneumatic rod motion, and the pneumatic rod pressurized produces elastic potential energy, and the pneumatic rod promotes the linkage segment and moves to the one side of keeping away from the bridge lateral wall to reduce linkage segment and bridge lateral wall and take place the possibility of friction, improve operating personnel and overhaul bridge central division strip department beam bottom structure's stability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the moving section, the connecting section, the at least two guardrails and the plurality of cross beams, the guardrails are hinged with the connecting section, the plurality of cross beams are arranged at intervals along the length direction of the guardrails, when the cross beams pass through the bridge bottom structure, an operator firstly detaches the cross beams, the length direction of the guardrails is parallel to the arrangement direction of the bridge central separation zone, the possibility that a bearing pile at the bottom of the bridge obstructs a beam bottom working platform is reduced, the reinforcing assembly can disperse the load of the guardrails to the connecting section, and the convenience for maintaining the beam bottom structure at the bridge central separation zone is improved;
2. the motion section comprises a connecting frame, at least two supporting frames and at least two walking pieces, the walking pieces are distributed on two sides of the connecting section, and the walking pieces drive the connecting section to move along the central separation belt, so that the load of the connecting section is conveniently balanced, and the motion reliability of the connecting section with the motion industry platform is improved;
3. set up the protection network bottom the linkage segment through the setting, make things convenient for operating personnel to stand and maintain the lateral wall of the beam bottom of bridge central authorities 'division strip on the protection network, improve the security that operating personnel overhauld, further improve self-propelled beam bottom work platform's convenience of use.
Drawings
Fig. 1 is a schematic structural view of a self-propelled beam bottom working trolley at a central separation zone of a bridge according to an embodiment of the application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of a use state of the self-propelled beam bottom working trolley at the central separation zone of the bridge according to the embodiment of the application.
Fig. 4 is a schematic structural diagram of a display movement section, a connecting section and an auxiliary supporting component of the self-propelled beam bottom working trolley at the central separation zone of the bridge according to the embodiment of the application.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Reference numerals: 1. a motion segment; 11. a connecting frame; 12. a support frame; 13. a walking member; 131. a drive wheel; 132. a drive motor; 2. a connecting section; 3. an operation platform; 31. a guardrail; 32. a cross beam; 4. a reinforcement assembly; 41. a first cable; 42. a second cable; 5. a protective net; 6. an auxiliary support member; 61. a roller; 62. a pneumatic rod; 7. a track.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses self-propelled beam bottom working trolley at central separation belt of bridge. Referring to fig. 1, 2 and 3, the self-propelled beam bottom working trolley at the central dividing strip of the bridge comprises a moving section 1, a connecting section 2, a working platform 3 and a reinforcing component 4, wherein the moving section 1, the connecting section 2 and the working platform 3 are all of a frame structure, the moving section 1 is used for driving the working platform 3 and the connecting section 2 to move along the central dividing strip of the bridge, the moving section 1 is positioned at the top of the connecting section 2, the moving section 1 and the connecting section 2 can be welded and fixed, the moving section 1 can also be fixedly connected with the connecting section 2 through bolts, in the embodiment, the moving section 1 and the connecting section 2 are fixedly connected through bolts, and in the embodiment, the moving section 1 and the connecting section 2 are welded and fixed; work platform 3 sets up in 2 bottoms of linkage segment, work platform 3 is the cuboid form, work platform 3 includes two at least guardrails 31 and a plurality of crossbeam 32, in this embodiment, guardrail 31 is provided with four, four guardrails 31 set up the both sides at linkage segment 2 respectively, two guardrails 31 set up relatively, four equal vertical settings of guardrail 31, guardrail 31 is articulated with linkage segment 2, the vertical setting of articulated shaft of guardrail 31 and linkage segment 2, guardrail 31 is less than or equal to 6m apart from the length at 2 middle parts of linkage segment, in this embodiment, work platform 3 is 6m apart from the length at 2 middle parts of linkage segment, the length direction interval setting of guardrail 31 is followed to a plurality of crossbeams 32, crossbeam 32 and guardrail 31 can dismantle the connection through the bolt, it can transmit work platform 3's load to linkage segment 2 to consolidate subassembly 4.
Operating personnel stretches into bridge central separation area with linkage segment 2 through lifting device, the laminating of motion section 1 and bridge roof, operation platform 3's middle part and motion section 1 are connected, operating personnel stands and examines the breast structure of bridge central separation area on operation platform 3, when the bearing pile of operation platform 3 and bridge breast is close to, operating personnel dismantles guardrail 31 and crossbeam 32 earlier, guardrail 31 and crossbeam 32 separation back, operating personnel rotates guardrail 31, the direction behind the guardrail 31 rotation is parallel with the length direction of bridge central separation area, reduce the possibility that bearing pile hinders guardrail 31 motion, the convenience of operating personnel maintenance bridge central separation area department breast structure has been improved.
Referring to fig. 1 and 2, in order to improve the safety of an operator standing on the work platform 3 for maintenance, a protective net 5 is further arranged at the bottom of the connecting section 2, the protective net 5 is welded and fixed with the bottom of the connecting section 2, the protective net 5 is rectangular, the protective net 5 is horizontally arranged, and the length direction of the protective net 5 is perpendicular to the length direction of the work platform 3; the reinforcing assembly 4 comprises a first inhaul cable 41 and a second inhaul cable 42, the first inhaul cable 41 and the second inhaul cable 42 are both steel wire ropes, the number of the first inhaul cables 41 is multiple, in the embodiment, the number of the first inhaul cables 41 is eight, the eight first inhaul cables 41 are uniformly distributed on the four guardrails 31, the first inhaul cables 41 are obliquely arranged along the vertical direction, the higher part of each first inhaul cable 41 is fixedly buckled with the connecting section 2, and the lower part of each first inhaul cable 41 is fixedly buckled with the upper sides of the guardrails 31; the second inhaul cable 42 is also provided with a plurality of, and in this embodiment, the second inhaul cable 42 is provided with four, and four second inhaul cables 42 set up along the horizontal direction slope, and four second inhaul cables 42 and guardrail 31 correspond the setting, and second inhaul cable 42 one end and guardrail 31 ligature are fixed, and the second inhaul cable 42 other end and 5 tip locks of protection network are fixed.
Referring to fig. 3 and 4, in order to improve the reliability of the operation platform 3 moving below the bridge, the moving section 1 comprises a connecting frame 11, a supporting frame 12 and a walking piece 13, the connecting frame 11 and the supporting frame 12 are both of a rectangular frame structure, the connecting frame 11 is horizontally arranged, and the middle part of the connecting frame 11 is detachably connected with the top part of the connecting section 2 through a bolt; the number of the supporting frames 12 and the number of the walking pieces 13 are at least two, in this embodiment, the number of the supporting frames 12 and the number of the walking pieces 13 are two, the two supporting frames 12 are both vertically arranged, the top ends of the supporting frames 12 and the bottom wall of the connecting section 2 are detachably connected through bolts, the bolts at the connecting part of the connecting section 2 are all subjected to anti-loosening treatment, the loosening treatment can be performed by destroying a threaded structure, or coating threaded fastening glue, or connecting a plurality of nuts through threads, in this embodiment, the bolts at the connecting part of the supporting frames 12 and the connecting section 2 are all connected with two nuts through threads for loosening prevention, the two supporting frames 12 are distributed at the end part of the connecting frame 11, the distance between the two supporting frames 12 and the connecting section 2 is 1.5m, the walking pieces 13 are correspondingly arranged at the bottom of the supporting frames 12, the walking pieces 13 comprise driving wheels 131 and driving motors 132, and the bottoms of the driving wheels 131 and the supporting frames 12 are rotatably connected through bearings, the driving motor 132 is a servo motor, a shell of the driving motor 132 is fixedly connected with the support frame 12 through a bolt, and an output shaft of the driving motor 132 is in key connection with the driving wheel 131; the top of the bridge is further provided with two tracks 7, the two tracks 7 are arranged, the tracks 7 and the driving wheels 131 are correspondingly arranged, the driving wheels 131 are grooved wheels, and the driving wheels 131 can roll along the tracks 7 under the pushing of the driving motor 132.
When an operator needs to overhaul a beam bottom structure taken out by a central separation belt of a bridge, the driving wheel 131 supports the supporting frame 12, the supporting frame 12 supports the connecting frame 11, the connecting frame 11 suspends the connecting section 2 and the operation platform 3 below the central separation belt of the bridge, the driving motor 132 drives the driving wheel 131 to rotate, the driving wheel 131 moves along the length direction of the bridge under the guidance of the track 7, the movement stability of the operation platform 3 is improved, the possibility that the connecting section 2 and the side wall of the bridge are rubbed can be reduced, the maintenance of the beam bottom structure at the central separation belt of the bridge by the operator is facilitated, and the convenience for the operator to overhaul the beam bottom structure of the bridge is improved.
When an operator stands on the operation platform 3 to overhaul the bridge beam bottom structure, the protective net 5 can carry out safety protection on the operator, the first inhaul cable 41 is used for overcoming the gravity that the operation platform 3 self received, reduce the possibility that the operation platform 3 is influenced by self gravity and leads to buckling, the second inhaul cable 42 can reduce the possibility that the operation platform 3 rotates along the week side of the protective net 5, conveniently transmit the torsion that the motion of the operation platform 3 produced to the protective net 5, improve the reliability of the motion of the operation platform 3, reduce the possibility that the joint of the operation platform 3 and the connecting section 2 is buckled and broken, make things convenient for the operator to stand on the operation platform 3 to overhaul the bridge beam bottom structure.
Referring to fig. 4 and 5, in order to reduce the possibility that friction is caused by the attachment of the connecting section 2 to the side wall of the bridge in the moving process, the connecting section 2 is further provided with two auxiliary supporting parts 6 facing the side wall of the bridge, the two auxiliary supporting parts 6 are arranged oppositely, the auxiliary supporting parts 6 comprise a roller 61 and an air pressure rod 62, the air pressure rod 62 is horizontally arranged, one end of the air pressure rod 62 is fixedly connected with the connecting section 2 through a bolt, one side, far away from the connecting section 2, of the roller 61 and the air pressure rod 62 is rotatably connected through a bearing, and the rotating axis of the roller 61 is parallel to the height direction of the connecting section 2. When operating personnel installs the bottom of a beam work platform, operating personnel presses down gyro wheel 61 earlier, and atmospheric pressure pole 62 pressurized length reduces, and gyro wheel 61 and the laminating of bridge lateral wall, atmospheric pressure pole 62 promote gyro wheel 61 and the butt of bridge lateral wall, and when linkage segment 2 and operation platform 3 moved, gyro wheel 61 rolled along the bridge lateral wall, and atmospheric pressure pole 62 and gyro wheel 61 support the direction to linkage segment 2, improved the stability that operating personnel overhauld bridge central median department beam bottom structure.
The implementation principle of this application embodiment a bridge central authorities division strip department self-propelled bottom of a beam workstation car does: an operator firstly presses the roller 61, the pressed length of the air pressure rod 62 is reduced, the roller 61 is attached to the side wall of the bridge, and the air pressure rod 62 pushes the roller 61 to be abutted to the side wall of the bridge; an operator stands on a work platform below to carry out maintenance operation, the first stay cable 41 and the second stay cable 42 are used for transmitting the self weight and the rotation torque of the work platform 3 to the peripheral side, and the protective net 5 improves the safety of the operator standing on the work platform 3 to carry out maintenance operation; after the structure of the bridge bottom is overhauled, the driving wheel 131 supports the supporting frame 12, the supporting frame 12 supports the connecting frame 11, the connecting frame 11 suspends the connecting section 2 and the operation platform 3 below the central dividing strip of the bridge, the driving motor 132 drives the driving wheel 131 to rotate, the driving wheel 131 moves along the length direction of the bridge under the guidance of the track 7, so as to drive the connecting section 2 and the operation platform 3 to move, the roller 61 rolls along the side wall of the bridge, the air pressure rod 62 and the roller 61 support and guide the connecting section 2, and an operator overhauls the structure of the bridge bottom; when operation platform 3 is close to with the bearing pile at the bottom of the bridge beam, operating personnel dismantles crossbeam 32 and guardrail 31 earlier, guardrail 31 and crossbeam 32's fixed state is relieved, operating personnel rotates guardrail 31, the direction of setting up of guardrail 31 is equal with the direction of seting up of bridge central separation area, driving motor 132 drives drive wheel 131 and rotates, drive wheel 131 drives support frame 12 and link 11 motion, link 11 drives behind guardrail 31 passes bridge bearing pile, operating personnel rotates guardrail 31 again, guardrail 31 rotates to the bridge bottom, connect crossbeam 32 and guardrail 31, operating personnel stands and maintains grain-robbing beam bottom of the bridge structure on crossbeam 32.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a central median department self-propelled beam bottom workstation car of bridge which characterized in that: including motion section (1), linkage segment (2), operation platform (3) and reinforcement assembly (4), motion section (1), linkage segment (2) and operation platform (3) are frame construction, motion section (1) is located linkage segment (2) top, motion section (1) and linkage segment (2) are connected, operation platform (3) include two at least guardrails (31) and a plurality of crossbeam (32), guardrail (31) and linkage segment (2) are articulated, guardrail (31) interval sets up, crossbeam (32) are located between two guardrail (31), crossbeam (32) set up along the length direction interval of guardrail (31), crossbeam (32) and guardrail (31) can be dismantled the connection, reinforcement assembly (4) can transmit the load of operation platform (3) to linkage segment (2).
2. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 1, wherein: motion section (1) is including link (11), support frame (12) and walking piece (13), link (11) are located linkage segment (2) top, the connection can be dismantled in link (11) and linkage segment (2), support frame (12) are provided with two at least, support frame (12) are located the lateral wall of linkage segment (2), the connection can be dismantled in support frame (12) and linkage segment (2), walking piece (13) are provided with two at least, walking piece (13) and support frame (12) correspond the setting, walking piece (13) are located the bottom of support frame (12).
3. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 1, wherein: consolidate subassembly (4) and include first cable (41), first cable (41) are provided with a plurality ofly, and are a plurality of first cable (41) all incline to set up, and a plurality of first cable (41) one end and linkage segment (2) are connected, and are a plurality of first cable (41) other end and guardrail (31) are connected.
4. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 1, wherein: the distance between the end part of the guardrail (31) far away from one side of the connecting section (2) and the connecting section (2) is less than or equal to 6 m.
5. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 1, wherein: the bottom of the connecting section (2) is provided with a protective net (5), and the protective net (5) is connected with the connecting section (2).
6. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 5, wherein: consolidate subassembly (4) and still include second cable (42), second cable (42) are provided with a plurality ofly, second cable (42) are along being located between protection network (5) and guardrail (31), and are a plurality of second cable (42) all incline to set up, and are a plurality of second cable (42) one end and protection network (5) are connected, and are a plurality of second cable (42) other end and guardrail (31) are connected.
7. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 1, wherein: the support device further comprises an auxiliary support part (6), and the auxiliary support part (6) is connected with the side wall of the connecting section (2).
8. The self-propelled beam bottom working trolley at the central separation zone of the bridge as claimed in claim 7, wherein: the auxiliary supporting component (6) comprises a roller (61) and an air pressure rod (62), one end of the air pressure rod (62) is fixedly connected with the connecting section (2), and the other end of the air pressure rod (62) is rotatably connected with the roller (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893138.9A CN113430929A (en) | 2021-08-04 | 2021-08-04 | Self-propelled beam bottom working trolley at central separation zone of bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110893138.9A CN113430929A (en) | 2021-08-04 | 2021-08-04 | Self-propelled beam bottom working trolley at central separation zone of bridge |
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| CN116752445A (en) * | 2023-06-09 | 2023-09-15 | 中交一公局第五工程有限公司 | A kind of two-way bicycle trolley with divided belt in solar bridge and its use method |
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| CN108004919A (en) * | 2017-12-05 | 2018-05-08 | 中铁六局集团有限公司 | A kind of wet seam construction crane device of steel box girder bridge panel and its construction method |
| CN209368672U (en) * | 2018-12-14 | 2019-09-10 | 梁惠文 | It is a kind of for small box girder from mobile holder |
| CN210507141U (en) * | 2019-03-15 | 2020-05-12 | 上海建工七建集团有限公司 | Movable tensioning platform |
| CN210134344U (en) * | 2019-06-20 | 2020-03-10 | 中国建筑第七工程局有限公司 | Trolley for mounting bridge center joint drain pipe |
| CN211547344U (en) * | 2020-01-14 | 2020-09-22 | 重庆桥都桥梁技术有限公司 | Central divider mobile bridge maintenance platform |
| CN113089477A (en) * | 2021-04-06 | 2021-07-09 | 四川川交路桥有限责任公司 | Hanging basket suspension system |
| CN113202020A (en) * | 2021-05-31 | 2021-08-03 | 成都市新筑交通科技有限公司 | Arch rib maintenance vehicle suitable for box type arch rib inspection |
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| CN114575235A (en) * | 2022-04-09 | 2022-06-03 | 中交二公局第五工程有限公司 | Bridge structure with separated people and vehicles |
| CN114575235B (en) * | 2022-04-09 | 2024-01-26 | 中交二公局第五工程有限公司 | Bridge structure with separated vehicles and people |
| CN116752445A (en) * | 2023-06-09 | 2023-09-15 | 中交一公局第五工程有限公司 | A kind of two-way bicycle trolley with divided belt in solar bridge and its use method |
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Application publication date: 20210924 |