CN208501491U - Overpass bridge bottom wire laying device - Google Patents

Overpass bridge bottom wire laying device Download PDF

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Publication number
CN208501491U
CN208501491U CN201821044316.0U CN201821044316U CN208501491U CN 208501491 U CN208501491 U CN 208501491U CN 201821044316 U CN201821044316 U CN 201821044316U CN 208501491 U CN208501491 U CN 208501491U
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China
Prior art keywords
relay
electric machine
climbing frame
control loop
guardrail
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CN201821044316.0U
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Chinese (zh)
Inventor
蒋思伦
袁柏文
王经岩
赵昌元
郑晓宇
张伟
张琴
朱智勇
李彬龙
胡方华
刘世艳
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China Gezhouba Group No 1 Engineering Co Ltd
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China Gezhouba Group No 1 Engineering Co Ltd
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Priority to CN201821044316.0U priority Critical patent/CN208501491U/en
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Abstract

The utility model provides a kind of overpass bridge bottom wire laying device, and the top of climbing frame is equipped with hanger, and the bottom of climbing frame is equipped with workbench;The hanger is equipped with multiple idler wheels being in rolling contact with pontic guardrail for hanging over pontic guardrail, in the inner wall of hanger;The climbing frame walks up and down for construction personnel, and climbing frame is located at the outside of pontic guardrail;The workbench extend into the lower section of pontic.It hangs by using by workbench in pontic guardrail, and the scheme of counterweight is set, the construction of overpass bridge bottom wiring can be realized with relatively simple structure, and have reliable position limiting structure with the pontic guardrail of overpass, it can be avoided toppling for workbench, improve the safety of construction.

Description

Overpass bridge bottom wire laying device
Technical field
The utility model relates to overpass affiliated facility construction fields, especially a kind of overpass bridge bottom wire laying device.
Background technique
The illumination of overpass at present is divided into road surface running vehicle illumination and Landscape Lighting two parts, for the road surface running vehicle of overpass Illumination, is the pith of overhead bridge lighting, meanwhile, for overpass itself, the illumination of bridge pier, beam becomes landscape light in city A part.It is also critically important for the illumination of space under bridge, the place of amusement and recreation is provided for citizen.Do not have in certain engineering guardrail Reserved pipeline, Landscape Lighting take the mode of overpass bottom surface pipeline to implement, and traditional erection construction scaffold and use rise The method of drop machine auxiliary construction is at high cost, effect is low.
Chinese patent literature CN202298471U describes a kind of U-shaped beams of concrete construction platform for hanging, it be equipped with it is U-shaped The hooking structure of beams of concrete web upper end cooperation, the hooking structure hold the web upper end tightly by idler wheel;It is described Operation platform further includes pillar construction, workbench, and the pillar construction is connected with hooking structure, workbench and pillar construction Connection;The workbench, pillar construction and hooking structure formed can around U-shaped beams of concrete web and pier top bent cap side and The suspended structure of bottom, the workbench are under pier top bent cap.The utility model ingenious can utilize U-shaped beams of concrete Features of shape, formed and do not depend on the movable prefabricated platform of ground, to place under bridge and the basic no requirement (NR) of headroom;It is practical at this Can be carried out pier top bent cap prestressed stretch-draw on novel operation platform, grouting and U-shaped beams of concrete set up rear suspension bar in place remove, The operation of the processes such as support grouting.But the structure is complex, construction cost is higher.
Chinese patent literature CN206887790U describes a kind of bridge strengthening construction hanger platform of novel stabilising, knot Structure include workbench, chain, suspension arrangement, lifting cable wire, telescopic device, lifting device, car body, hydraulic pressure support column, wheel, The bottom of car body is flexibly connected with wheel, and car body is mutually welded with hydraulic pressure support column, and hydraulic pressure support column is set to 4 angles of car body, liquid Pressure support column is located at the outside of wheel, and the top of car body is connected by lifting device with telescopic device, and lifting device is set to vehicle The centre of body and telescopic device, lifting cable wire is connected at the top of telescopic device, and lifting cable wire is flexibly connected with suspension arrangement.It should Structure needs to occupy a Construction traffic, and structure is also complex.
Chinese patent literature CN203147030U describe it is a kind of with bridge laying gas pipeline engineering movable type under hang Operating platform belongs to technical field of building construction.Trolley on pavement is arranged in it, and trolley cantilever arm is arranged in car top, Small car is equipped with clump weight, and one end that trolley cantilever arm stretches out connects hanger, and cantilever workbench, cantilever is arranged in hanger bottom Platform guardrail is arranged in the plank that workbench is arranged on platform framework by platform framework and tiling, platform framework surrounding.This is practical It is novel by having set up mobile lower extension operating platform on pavement, by make by oneself Cape jasmine rod-type hoisting apparatus, will be on bridge floor The components such as platform framework, platform guardrail are fixed on corresponding position, and operator is by the operating platform, to the combustion gas under bridge Pipeline is installed, and solves the predicament that can not be constructed in the air.But without fixed structure, behaviour between the structure and construction Counterweight is relied primarily on as platform and keeps vertical state, if there is construction fault, is easy to appear biggish safety accident.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of overpass bridge bottom wire laying devices, can simplify bridge bottom The structure of operation platform, and install and fix reliably, it is convenient for constructing operation, and can longitudinally walk along bridge.Preferred side In case, it can easily control workbench and move back and forth in a certain range, reduce labor intensity, and improve safety.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:, and a kind of overpass bridge bottom wiring fills It sets, the top of climbing frame is equipped with hanger, and the bottom of climbing frame is equipped with workbench;
The hanger is equipped with what multiple and pontic guardrail was in rolling contact for hanging over pontic guardrail, in the inner wall of hanger Idler wheel;
The climbing frame walks up and down for construction personnel, and climbing frame is located at the outside of pontic guardrail;
The workbench extend into the lower section of pontic.
In preferred scheme, part of the hanger on the inside of pontic guardrail is equipped with cushion cap, and the cushion cap is for putting Set counterweight.
In preferred scheme, the idler wheel is located inside, outside and the top of pontic guardrail;
Bolt clamp device is additionally provided in hanger.
In preferred scheme, it is additionally provided with extendable platform in the two sides of workbench, guardrail is equipped on extendable platform;
The extendable platform is greater than the width of workbench, and extendable platform reaches except climbing frame;
The extendable platform is for making construction personnel run to workbench from climbing frame.
In preferred scheme, traction device is additionally provided in the two sides of climbing frame assembly.
In preferred scheme, in the traction device, fixed bracket is fixedly mounted on pontic guardrail, on fixed bracket It is installed with cable drum, cable drum is connect by retarder with traction electric machine, the wirerope and climbing frame of cable drum Assembly connection
In preferred scheme, the retarder is worm type of reduction gearing.
In preferred scheme, the fixation bracket is equipped with locking device, and bolt one end in locking device passes through solid The inner sidewall of fixed rack, and be threadedly coupled with fixed bracket, platen is equipped in the end at the end;
The other end of bolt is equipped with handle.
In preferred scheme, the first traction electric machine and the second traction electric machine in traction electric machine are respectively with power loop with just The mode of reversion connects;
Reversed linked switch is equipped in control loop, the control loop is two-way, reversed linked switch and two-way Control loop connection, when the switch connection in control loop all the way, switch in another way control loop is disconnected;
First control loop is equipped with relay in parallel, and the normally open contact of one of relay connects the first traction electric machine Positive crossover, the normally open contact of another relay then connects the reversion route of the second traction electric machine;
Second control loop is equipped with relay in parallel, and the normally open contact of one of relay connects the second traction electric machine Positive crossover, the normally open contact of another relay then connects the reversion route of the first traction electric machine.
In preferred scheme, first time-delay relay and first relay of first control loop equipped with parallel connection, first The normally open contact of time-delay relay connects the positive crossover of the first traction electric machine, and the normally open contact of the first relay connects the second traction electricity The reversion route of machine;
Second control loop is equipped in parallel the second relay and the second time-delay relay, the second time-delay relay it is normal Open contact connects the positive crossover of the second traction electric machine, and the normally open contact of the second relay then connects the reversed line of the first traction electric machine Road.
A kind of overpass bridge bottom provided by the utility model wire laying device is protected by using by workbench hanging in pontic Column, and the scheme of counterweight is arranged, can realize the construction of overpass bridge bottom wiring with relatively simple structure, and with overpass Pontic guardrail has reliable position limiting structure, can be avoided toppling for workbench, improves the safety of construction.Preferred scheme In, by the way that the traction device of two sides is arranged in, it can easily draw climbing frame assembly and walk along bridge.Using time-delay relay Control program, can side unclamp wirerope after, it is another to start to draw again, tightened so that wirerope be avoided mutually to draw, into one Step improves safety.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the schematic front view of the utility model.
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1.
Fig. 3 is another preferred schematic front view of the utility model.
Fig. 4 is the B-B schematic cross-sectional view of Fig. 3.
Fig. 5 is the circuit controling drawing of the utility model traction device.
In figure: pontic guardrail 1, movable stand 2, climbing frame 21, extendable platform 22, hanger 23, cushion cap 24, counterweight 25, idler wheel 26, Workbench 27, lifting lug 28, the first traction device 3, fixed bracket 31, traction electric machine 32, cable drum 33, guide wheel 34, steel Cord 35, worm type of reduction gearing 36, locking device 37, the second traction device 3', control loop 4, power loop 5 are reversed to join Dynamic switch 6, the first traction electric machine M1, the second traction electric machine M2, the first time-delay relay K1, the first relay K2, the second relay Device K3, the second time-delay relay K4.
Specific embodiment
As shown in figure 1, the top of a kind of overpass bridge bottom wire laying device, climbing frame 21 is equipped with hanger 23, and the bottom of climbing frame 21 is set There is workbench 27;
The hanger 23 is equipped with multiple and pontic guardrail 1 in the inner wall of hanger 23 and rolls for hanging over pontic guardrail 1 The idler wheel 26 of contact, the support of idler wheel 26 and the inner wall of hanger 23 are welded to connect;
The climbing frame 21 walks up and down for construction personnel, and climbing frame 21 is located at the outside of pontic guardrail 1;It is interior in this example Side and outside are to be subject to the axis of overpass, and the side far from axis is the right side in outside, such as Fig. 2, and by paraxial The side of line is the left side in inside, such as Fig. 2.
The workbench 27 extend into the lower section of pontic, and workbench 27 is for carrying construction personnel under pontic Side's construction.Climbing frame 21, hanger 23 and workbench 27 are welded using square steel.
In preferred scheme such as Fig. 2, the hanger 23 is equipped with cushion cap 24 in the part of 1 inside of pontic guardrail, described Cushion cap 24 is for placing counterweight 25.Counterweight 25 in this example uses concrete block, thus structure, is able to maintain the flat of climbing frame assembly Weighing apparatus, avoids toppling.
In preferred scheme such as Fig. 2, the idler wheel 26 is located inside, outside and the top of pontic guardrail 1;Thus it ties Structure can limit climbing frame assembly, the i.e. position of movable stand 2, and frame easy to remove 2 is walked along pontic guardrail 1.
Bolt clamp device is additionally provided in hanger 23.Thus structure is convenient for 23 adjustment of hanger, or fixed hanger 23 position, in order to the construction of workbench 27.
Preferred scheme such as Fig. 1, in 2, it is additionally provided with extendable platform 22 in the two sides of workbench 27, on extendable platform 22 Equipped with guardrail;
The extendable platform 22 is greater than the width of workbench 27, and extendable platform 22 reaches except climbing frame 21;
The extendable platform 22 be used for make construction personnel from climbing frame 21 it is safer run to workbench 27.
In preferred scheme such as Fig. 3, traction device is additionally provided in the two sides of climbing frame assembly.Thus structure is moved convenient for traction Moving frame 2 is walked across between in a certain range to walk back and forth, such as two.
Preferred scheme such as Fig. 3, in 4, in the traction device, fixed bracket 31 is fixedly mounted on pontic guardrail 1, Cable drum 33 is installed on fixed bracket 31, cable drum 33 is connect by retarder with traction electric machine 32, wirerope The wirerope 35 of reel 33 is connect with climbing frame assembly, it is preferred that is equipped with lifting lug 28, wirerope 35 and lifting lug at the top of hanger 23 28 connections, lifting lug 28 herein can be used for lifting by crane entire climbing frame assembly i.e. movable stand 2.
In preferred scheme, the retarder is worm type of reduction gearing 36.Thus structure realizes wirerope oneself Lock, so that traction device be made to can be used not only for drawing, is also used as the safety rope of entire movable stand 2, further increases safety Property.
In preferred scheme such as Fig. 4, the fixation bracket 31 is equipped with locking device 37, the bolt in locking device 37 One end passes through the inner sidewall of fixed bracket 31, and is threadedly coupled with fixed bracket 31, is equipped with platen, platen energy in the end at the end Enough avoid damage pontic guardrail 1;
The other end of bolt, which is equipped with handle, is pressed on platen on pontic guardrail 1 by rotational handle.
In preferred scheme such as Fig. 5, the first traction electric machine M1 and the second traction electric machine M2 in traction electric machine respectively with it is dynamic Power circuit 5 is connected in a manner of positive and negative rotation;
Be equipped with reversed linked switch 6 in control loop 4, the control loop 4 is two-way, reversed linked switch 6 with The control loop 4 of two-way connects, and when the switch connection in control loop all the way, the switch in another way control loop is disconnected;
First control loop is equipped with relay in parallel, and the normally open contact of one of relay connects the first traction electric machine The positive crossover of M1, the normally open contact of another relay then connect the reversion route of the second traction electric machine M2;
Second control loop is equipped with relay in parallel, and the normally open contact of one of relay connects the second traction electric machine The positive crossover of M2, the normally open contact of another relay then connect the reversion route of the first traction electric machine M1.Thus structure is realized When the traction of the first traction device 3, the second traction device 3' then unclamps wirerope.
In preferred scheme such as Fig. 5, the first control loop is equipped with the first time-delay relay K1 and the first relay in parallel Device K2, the normally open contact of the first time-delay relay K1 connect the positive crossover of the first traction electric machine M1, and the first relay K2's is normally opened Contact connects the reversion route of the second traction electric machine M2;
Second control loop is equipped with the second relay K3 and the second time-delay relay K4 in parallel, the second time-delay relay The normally open contact of K4 connects the positive crossover of the second traction electric machine M2, and the normally open contact of the second relay K3 then connects the first traction electric machine The reversion route of M1.Thus structure can be realized when the traction of the first traction device 3, and the second traction device 3' first unclamps Wirerope, then the first traction device 3 starts to draw again.
In use, movable stand 2 is fixed in the top surface of pontic guardrail 1 using crane;First traction at both ends is installed Device 3 and the second traction device 3', add counterweight 25;Operator fastens seat belts, and hard hat required at all times is climbed to bridge bottom workbench 27 construct;After completing one section of construction, reversed linked switch 6, mobile a distance of control movable stand 2, until whole are pressed After the completion of section construction, construction personnel withdraws from movable stand 2, and entire movable stand 2 is moved to next construction section.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model It makes, the technical characteristic recorded in the utility model can be combined with each other use under the premise of not conflicting, the utility model Protection scope should be with the technical solution of claim record, and technical characteristic is equal in the technical solution recorded including claim Alternative is protection scope.Equivalent replacement i.e. within this range is improved, and is also within the protection scope of the utility model.

Claims (10)

1. a kind of overpass bridge bottom wire laying device, it is characterized in that: the top of climbing frame (21) is equipped with hanger (23), the bottom of climbing frame (21) Portion is equipped with workbench (27);
The hanger (23) is equipped with multiple and pontic guardrail (1) for hanging over pontic guardrail (1), in the inner wall of hanger (23) The idler wheel (26) being in rolling contact;
The climbing frame (21) walks up and down for construction personnel, and climbing frame (21) is located at the outside of pontic guardrail (1);
The workbench (27) extend into the lower section of pontic.
2. a kind of overpass bridge bottom according to claim 1 wire laying device, it is characterized in that: the hanger (23) is in pontic Part on the inside of guardrail (1) is equipped with cushion cap (24), and the cushion cap (24) is for placing counterweight (25).
3. a kind of overpass bridge bottom according to claim 1 wire laying device, it is characterized in that: the idler wheel (26) is located at bridge Inside, outside and the top of body guardrail (1);
Bolt clamp device is additionally provided in hanger (23).
4. a kind of overpass bridge bottom according to claim 1 wire laying device, it is characterized in that: in the two sides of workbench (27) Extendable platform (22) are additionally provided with, guardrail is equipped on extendable platform (22);
The extendable platform (22) is greater than the width of workbench (27), and extendable platform (22) reaches except climbing frame (21);
The extendable platform (22) is for making construction personnel run to workbench (27) from climbing frame (21).
5. a kind of overpass bridge bottom according to claim 1 wire laying device, it is characterized in that: also being set in the two sides of climbing frame assembly There is traction device.
6. a kind of overpass bridge bottom according to claim 5 wire laying device, it is characterized in that: in the traction device, Gu Fixed rack (31) is fixedly mounted on pontic guardrail (1), is installed with cable drum (33), wire rope roll on fixed bracket (31) Cylinder (33) is connect by retarder with traction electric machine (32), and the wirerope (35) of cable drum (33) is connect with climbing frame assembly.
7. a kind of overpass bridge bottom according to claim 6 wire laying device, it is characterized in that: the retarder is worm gear snail Bar retarder (36).
8. a kind of overpass bridge bottom according to claim 6 wire laying device, it is characterized in that: on the fixation bracket (31) Equipped with locking device (37), bolt one end in locking device (37) passes through the inner sidewall of fixation bracket (31), and props up with fixed Frame (31) is threadedly coupled, and is equipped with platen in the end at the end;
The other end of bolt is equipped with handle.
9. a kind of overpass bridge bottom according to claim 6 wire laying device, it is characterized in that: first in traction electric machine draws Motor (M1) and the second traction electric machine (M2) are connect in a manner of positive and negative rotation with power loop (5) respectively;
Reversed linked switch (6) are equipped on control loop (4), the control loop (4) is two-way, reversed linked switch (6) it is connect with the control loop of two-way (4), when the switch connection in control loop all the way, opening in another way control loop Shutdown is opened;
First control loop is equipped with relay in parallel, and the normally open contact of one of relay meets the first traction electric machine (M1) Positive crossover, the normally open contact of another relay then connects the reversion route of the second traction electric machine (M2);
Second control loop is equipped with relay in parallel, and the normally open contact of one of relay meets the second traction electric machine (M2) Positive crossover, the normally open contact of another relay then connects the reversion route of the first traction electric machine (M1).
10. a kind of overpass bridge bottom according to claim 9 wire laying device, it is characterized in that: the first control loop is equipped with First time-delay relay (K1) and the first relay (K2) in parallel, the normally open contact of the first time-delay relay (K1) connect first and lead Draw the positive crossover of motor (M1), the normally open contact of the first relay (K2) connects the reversion route of the second traction electric machine (M2);
Second control loop is equipped with the second relay (K3) and the second time-delay relay (K4) in parallel, the second time-delay relay (K4) normally open contact connects the positive crossover of the second traction electric machine (M2), and the normally open contact of the second relay (K3) then connects first and leads Draw the reversion route of motor (M1).
CN201821044316.0U 2018-06-29 2018-06-29 Overpass bridge bottom wire laying device Active CN208501491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821044316.0U CN208501491U (en) 2018-06-29 2018-06-29 Overpass bridge bottom wire laying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821044316.0U CN208501491U (en) 2018-06-29 2018-06-29 Overpass bridge bottom wire laying device

Publications (1)

Publication Number Publication Date
CN208501491U true CN208501491U (en) 2019-02-15

Family

ID=65282351

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821044316.0U Active CN208501491U (en) 2018-06-29 2018-06-29 Overpass bridge bottom wire laying device

Country Status (1)

Country Link
CN (1) CN208501491U (en)

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