CN201546175U - Railway bridge erecting machine - Google Patents
Railway bridge erecting machine Download PDFInfo
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- CN201546175U CN201546175U CN2009202888394U CN200920288839U CN201546175U CN 201546175 U CN201546175 U CN 201546175U CN 2009202888394 U CN2009202888394 U CN 2009202888394U CN 200920288839 U CN200920288839 U CN 200920288839U CN 201546175 U CN201546175 U CN 201546175U
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- traversing
- lifting
- stopping means
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Abstract
The utility model provides a railway bridge erecting machine used for erecting a railway bridge. A host machine is mainly composed of a walking system, a walking cab, a hoisting cab, a beam dragging mechanism, a No.0 column, a beam hoisting system, a beam traversing system, a No.1 column and a telescopic oil cylinder, a large arm, a No.2 column and a telescopic oil cylinder, a hydraulic system and an electric control system. By utilizing the electric control system with a programmable controller as a core, the entire bridge-erecting process is intelligentized, including walking of a vehicle body, dragging of a beam, pulling and swinging of the arm, walking of a beam hoisting trolley, stretching of a mechanical arm, hoisting and traversing of the beam, retracting and releasing of the No.0 column and the like; therefore, the railway bridge erecting is automized. An automatic control system which is formed on the basis of the programmable controller and a low-voltage frequency changer automatically monitors the entire bridge-erecting condition. With accurate, flexible and reliable action, the railway bridge erecting machine can effectively improve the bridge erecting quality, increase the bridge erecting efficiency, and lower the labor intensity of operating personnel. Compared with the prior art, the railway bridge erecting machine has the characteristics of reasonable electric structure, reasonable circuit structure, strong protective function, simple operation and convenient maintenance.
Description
Technical field
The utility model relates to railroad bridge and sets up the field, particularly a kind of intelligent special equipment that sets up railroad bridge automatically.
Background technology
China railways bridge formation electrical-mechanical control system adopts relay control mostly at present, has following defective: 1, loaded down with trivial details, the maintenance difficult of circuit; 2, adopt manual operation fully; bridge contraposition in the process of setting a roof beam in place, beam sheet are traversing, adopt manual monitoring during the landing of beam sheet, and operating personnel lack necessary protection according to commanding's gesture and the running of birdie operating equipment; commander's error is arranged slightly, and easily cause the accident.
Summary of the invention
For overcoming the deficiency that manually-operated is loaded down with trivial details in the prior art, monitoring is not comprehensive, fault rate is high; goal of the invention of the present utility model is to provide a kind of railway bridge erecting machine; by programmable logic controller, low voltage frequency converter is that automatic control system is formed on the basis; automatically the whole operating mode of setting a roof beam in place of control, with realize electric and line construction rationally, action is accurately sensitive, have very strong defencive function, purpose simple to operate and easy to maintenance.
For achieving the above object, the technical solution of the utility model is: main frame is mainly by walking system, the traveling driver's cabin, the lifting driver's cabin, the beam drag gear, No. zero post, the beam tackling system, the beam crossing system, a post, a post telescopic oil cylinder, big arm, No. two posts and No. two post telescopic oil cylinders, hydraulic system and electrical control system are formed, the removable big arm of main frame is supported in the cap of the door post of shape and No. two posts that have telescopic oil cylinder, a post and No. two posts are fixed on the car body, car body is provided with the lifting driver's cabin, the traveling driver's cabin, big arm is hinged with No. zero post, hang on big arm front end, put to bridge pier during No. zero pylon beam, hanging beam dolly and back hanging beam dolly before being equipped with between No. zero post and a post is characterized in that: the set a roof beam in place programmable logic controller and the low voltage frequency converter of electrical control system of operating mode of described automatic control, switch, thermal relay, stopping means, the lifting stopping means, traversing stopping means, A.C. contactor links to each other;
In the electric cabinet of described electrical control system programmable logic controller, low voltage frequency converter, miniature circuit breaker, A.C. contactor, thermal relay are housed, programmable logic controller is connected with low voltage frequency converter, and link to each other with switch, thermal relay, stopping means, lifting stopping means, traversing stopping means, A.C. contactor, be connected with main power source after the parallel connection of beam lifting motor, be connected with main power source after the traversing motor parallel connection of beam, beam traveling motor is connected with main power source by low voltage frequency converter, and programmable logic controller is connected with main power source by low voltage frequency converter.
Left side lifting motor, preceding right motor, the traversing motor in a preceding left side, the traversing motor in the preceding right side of lifting by crane before being equipped with in the preceding hanging beam dolly.A left side, back lifting motor, the right lifting in back motor, the left traversing motor in back, the right traversing motor in back are housed in the back hanging beam dolly; Described lifting motor, traversing motor are connected with main power source through thermal relay, A.C. contactor, miniature circuit breaker respectively;
Two cover limit switches before and after the stopping means of electrical control system central sill traveling has, limit switch is by comprising that transmitter and receiver two parts form.The emitter of front limit switch is installed on the front end of big arm, the front end of hanging beam dolly before receiver is installed on; The post that the emitter of back limit switch is installed on a post emits, and receiver is installed on the rear end of back hanging beam dolly;
Beam walking motor is connected with main power source through thermal relay, low voltage frequency converter, A.C. contactor;
Lifting stopping means, traversing stopping means are contained in preceding hanging beam dolly, the back hanging beam dolly respectively.
The utility model makes the overall process intellectualities of setting a roof beam in place such as traveling of hanging beam dolly and horn are flexible, beam lifts by crane, beam is traversing by being the electrical control system of core with the programmable logic controller, and railroad bridge is set up in the realization automation.
The utility model is formed automatic control system by programmable logic controller 23, low voltage frequency converter 24 for the basis, automatically monitor the whole operating mode of setting a roof beam in place, action is accurate, sensitive, reliable, can effectively promote the quality of setting a roof beam in place, improve the operating efficiency of setting a roof beam in place, alleviate operating personnel's labour intensity; Compared with prior art electric and line construction rationally and have very strong defencive function, simple to operate, and is easy to maintenance.
Description of drawings
Fig. 1 is the utility model electrical principle sketch;
Fig. 2 is the utility model structure diagram;
The specific embodiment
As described in Figure 1,19 are equipped with programmable logic controller 23 in the electric cabinet of electrical control system, low voltage frequency converter 24, miniature circuit breaker, A.C. contactor, thermal relay, programmable logic controller 23 is connected with main power source by low voltage frequency converter 24, and with rotary switch (ZK1, ZK2, ZK3), thermal relay (RJ1, RJ2, RJ3, RJ4, RJ5, RJ6, RJ7, RJ8, RJ9), beam advances, beam retreats limit switch (SQ1, SQ2), the lifting stop is (before the control, back dolly lifting, rise, the SQ3 that descends, SQ4), traversing stop is (before the control, a back dolly left side, the SQ5 that moves to right, SQ6, SQ7, SQ8), rate conversion switch ZK4, A.C. contactor (KA1, KA2, KMF3-KMF10, KMC3-KMC10) link to each other, programmable logic controller 23 links to each other with guidance panel by control cables with low voltage frequency converter 24, control each motor working condition by guidance panel, the main circuit of low voltage frequency converter 24 is directly directly picked out by A.C. contactor KM2 lower end; The limit switch that beam advances, retreats stopping means is by comprising that two-part front limit switch of transmitter and receiver and back limit switch form, the emitter of front limit switch is installed on the front end of big arm, the front end of hanging beam dolly 14 before receiver is installed on, current hanging beam dolly halts during apart from emitter 0.5m automatically; The post that the emitter of back limit switch is installed on a post 8 emits, and receiver is installed on the rear end of back hanging beam dolly 15, when post 0.3m of back hanging beam dolly distance, stops to retreat; Lifting stopping means 21, traversing stopping means 20 are contained in preceding hanging beam dolly 14, the back hanging beam dolly 15 respectively.
Left side lifting motor 25, preceding right motor 26, the traversing motor 29 in a preceding left side, the traversing motor 30 in the preceding right side of lifting by crane before being equipped with in the preceding hanging beam dolly 14; A left side, back lifting motor 27, the right lifting in back motor 28, the left traversing motor 31 in back, the right traversing motor 32 in back are housed in the back hanging beam dolly 15.Be connected with main power source through thermal relay (RJ2-RJ5), A.C. contactor (KMC3, KMF3-KMC6, KMF6), miniature circuit breaker (HK1-HK4) respectively after 25,26,27,28 parallel connections of beam lifting motor, four beam lifting motor take mode in parallel to power, can also can link by single movement, every lifting motor all is provided with protective switch of the short circuit-miniature circuit breaker DZ47-60 C25 3P, overload protective relay-thermal relay NR4-63 20 ~ 32A, the middle rotating that also is provided with A.C. contactor control motor; Be connected with main power source through thermal relay (RJ6-RJ9), A.C. contactor (KMC7, KMF7-KMC10, KMF10), miniature circuit breaker (HK5-HK8) respectively after traversing motor 29,30,31,32 parallel connections of beam, four traversing motor of beam are taked the parallel way power supply, can also can link by single movement, every lifting motor all is provided with protective switch of the short circuit-miniature circuit breaker DZ47-60 C10 3P, overload protective relay-thermal relay NR4-63 5 ~ 8A, the middle rotating that also is provided with A.C. contactor control motor; Beam traveling motor 22 is installed on big arm 10 rear ends, and power supply is inserted by frequency converter, can control the flexible of advancing, retreating of hanging beam dolly and big arm by the running of motor, and beam traveling motor 22 is connected with main power source by low voltage frequency converter 24; Beam walking motor 22 is connected with main power source through thermal relay RJ1, low voltage frequency converter 24, A.C. contactor KM2.
As shown in Figure 2, be a kind of single-beam bridge formation machine of the present utility model.Main frame mainly by walking system 1, traction system 4,, the traveling of hanging beam dolly and horn telescopic system 11, beam tackling system 6, beam transverse-moving mechanism 7, No. zero post 5, lifting driver's cabin 3, traveling driver's cabin 2, hydraulic system etc. form.Big arm 10 is supported in the cap of a post 8 having telescopic oil cylinder and No. two posts 12, and carrying hanging beam weight supports for the hanging beam dolly provides to move, by post 8 support and No. two post 12 drop-down maintenance balances; No. zero post 5 by hinged mode, hangs on big arm 10 front ends, puts when setting a roof beam in place to bridge pier, supports big arm 10; No. one post 8 is the gate-type structure, is supported in the middle of the big arm 10, and big arm 10 can move forward and backward in post 8 caps; No. two posts 12 are the gate-type structure, can down hold big arm 10, make big arm 10 keep balance, and big arm 10 can move forward and backward in No. two post 12 caps, and a post 8 and No. two posts 12 are fixed on the car body 16; Hanging beam dolly 14 and back hanging beam dolly 15 before the hanging beam dolly comprises, between No. zero post 5 and post 8, two structures are identical, be provided with a beam lifting and beam Traverse Displacement Unit about every, four hanging beam reels are hanging beam simultaneously, can be traversing to the left or to the right behind the hanging beam, it can move before and after on the big arm 10; Car body 16 is provided with lifting driver's cabin 3, traveling driver's cabin 2.
Main frame walking system 1 is mainly used in the transportation main frame, be installed in respectively on the forward and backward bogie by four ZQ-24 dc traction motors and four axle hung type reduction boxes, electric control system comprises one of diesel generating set, one of rectifier cabinet, traveling Electric Appliance Cabinet, reaches operating desk etc., and brake portion comprises air compressor machine, big or small lock, various valve and checking cylinder etc.Diesel generating set sends electricity, supplies with four ZQ-24 dc traction motors and use after the rectifier cabinet rectification.
It is dilatory to car body 16 that beam drag gear 4 is used for beam.Mainly containing a dilatory winch (alternating current generator drives two friction drums by planetary reduction gear, is installed in car body 16 bottoms) leads system for winding traction by a cover wire rope and drags the beam dolly.
Traveling of hanging beam dolly and horn telescopic system 11 shared winches.This winch drives two friction drums by the ZQ24 dc traction motor of a table apparatus on big arm 10 through planetary reduction gear and forms stepless rope winch.Winch is at the afterbody of horn, leads system for winding by a cover wire rope and links to each other with pulley on the preceding hanging beam dolly, with its traction front and back traveling.The horn rear portion is provided with the steel wire rope stretching device of this system.Dc traction motor is powered by main power source.
No. zero post 5 is led system for winding by 3t electric hoist and wire rope and is constituted.This system is installed in the horn front end, and action button is in traveling driver's cabin 10.
Operating instruction of the present utility model is as follows:
Set a roof beam in place: at first changeover switch ZK1 is revolved and put duty, changeover switch ZK2 revolves the state of setting a roof beam in place of putting, according to the scene situation of setting a roof beam in place, again changeover switch ZK3 is revolved to put and move to left or move to right operating mode, changeover switch ZK4 rises to third gear gradually by one grade, the traveling of hanging beam dolly by the zero-speed acceleration of rising gradually, is advanced to No. zero post 5 directions.When hanging beam reaches No. zero post 5 spacing for a short time, front limit switch 17 is started working, the hanging beam dolly halts, and hanging beam dolly walking state indicator lamp stops to indicate bright (when halting changeover switch ZK4 being revolved the zero setting position), limit switch WHF-2 simultaneously, connect the traversing motor of beam simultaneously, the traversing motor of beam is started working, the hanging beam shoulder pole play the beam sheet begin traversing to the left or to the right, when traversing when the design attitude, traversing stopping means 20 is started working, and stops traversing.Simultaneously traversing stopping means is connected beam lifting motor, four motors of beam lifting are started working, the beam sheet begins to fall, when the beam sheet drops to abutment, the cutoff limit switch of lifting stopping means 21 is started working, and four beam lifting motors quit work automatically, will transform switch ZK2, ZK3 and revolve the zero setting position, the operator takes down bundle beam wire rope, finishes the work of setting a roof beam in place.
Receive beam: after having set up the beam sheet, the hanging beam dolly need be regained, tie beam again, so that set up down a slice beam.Changeover switch ZK1 keeps the operating position, according to vehicle condition, with changeover switch ZK3 corresponding revolve to put move to left or move to right the position, at last changeover switch ZK2 is revolved to put and receive the beam position, four beam lifting motors are started working, and the hanging beam shoulder pole begins to rise, when rising to spacing position, lifting stopping means 21 is started working, four beam lifting motors shut down, and lift by crane limit switch simultaneously and connect four traversing motors of beam, and the traversing motor of beam is started working, traversing to the direction of subscribing, when big arm 10 centre positions,, stop traversing automatically when traversing owing to be subjected to traversing spacing 20 controls, traversing spacing 20 connect beam running motor 22 simultaneously, ZK4 screws with changeover switch, and the hanging beam dolly begins to retreat, can be according to circumstances, change gear, so that obtain satisfied speed.When the hanging beam dolly retreated into the qualification position, No. one post emitted the limit switch of being adorned to start working, and beam running motor 22 is stopped work, finished and received the beam operating mode.
Claims (6)
1. railway bridge erecting machine, main frame is mainly by walking system (1), traveling driver's cabin (2), lifting driver's cabin (3), beam drag gear (4), No. zero post (5), beam tackling system (6), beam crossing system (7), a post (8), a post telescopic oil cylinder (9), big arm (10), No. two posts (12) and No. two post telescopic oil cylinders (13), hydraulic system and electrical control system are formed, the removable big arm (10) of main frame is supported in the door post of shape (8) that has telescopic oil cylinder and the cap of No. two posts (12), a post (8) is fixed on the car body (16) with No. two posts (12), car body (16) is provided with lifting driver's cabin (3), traveling driver's cabin (2), big arm (10) is hinged with No. zero post (5), hang on big arm (10) front end, No. zero post (5) is put when setting a roof beam in place to bridge pier, hanging beam dolly (14) and back hanging beam dolly (15) before being equipped with between No. zero post (5) and a post (8) is characterized in that: the set a roof beam in place programmable logic controller (23) and the low voltage frequency converter (24) of electrical control system of operating mode of described automatic control, switch, thermal relay, stopping means, lifting stopping means (21), traversing stopping means (20), A.C. contactor links to each other.
2. railway bridge erecting machine according to claim 1, it is characterized in that: in the electric cabinet (19) of described electrical control system programmable logic controller (23) is housed, low voltage frequency converter (24), miniature circuit breaker, A.C. contactor, thermal relay, programmable logic controller (23) is connected with low voltage frequency converter (24), and and switch, thermal relay, stopping means, lifting stopping means (21), traversing stopping means (20), A.C. contactor links to each other, be connected with main power source after the parallel connection of beam lifting motor, be connected with main power source after the traversing motor parallel connection of beam, beam traveling motor (22), be connected with main power source by low voltage frequency converter (24), programmable logic controller (23) is connected with main power source by low voltage frequency converter (24).
3. railway bridge erecting machine according to claim 2, it is characterized in that: left side lifting motor (25), preceding right lifting motor (26), the traversing motor in a preceding left side (29), the traversing motor in the preceding right side (30) before being equipped with in the preceding hanging beam dolly (14), a left side, back lifting motor (27), the right lifting in back motor (28), back left traversing motor (31), the right traversing motor in back (32) are loaded in the back hanging beam dolly (15); Described lifting motor, traversing motor are connected with main power source through thermal relay, A.C. contactor, miniature circuit breaker respectively.
4. railway bridge erecting machine according to claim 1, it is characterized in that: the stopping means of electrical control system central sill traveling has front limit switch (17) and back limit switch (18) two cover limit switches, limit switch comprises transmitter and receiver two parts, the emitter of front limit switch (17) is installed on the front end of big arm (10), the front end of hanging beam dolly (14) before receiver is installed on; The post that the emitter of back limit switch (18) is installed on a post (8) emits, and receiver is installed on the rear end of back hanging beam dolly (15).
5. railway bridge erecting machine according to claim 1 is characterized in that: beam walking motor (22) is connected with main power source through thermal relay, low voltage frequency converter (24), A.C. contactor.
6. railway bridge erecting machine according to claim 1 is characterized in that: lifting stopping means (21), traversing stopping means (20) are contained in preceding hanging beam dolly (13), the back hanging beam dolly (14) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202888394U CN201546175U (en) | 2009-12-01 | 2009-12-01 | Railway bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202888394U CN201546175U (en) | 2009-12-01 | 2009-12-01 | Railway bridge erecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546175U true CN201546175U (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202888394U Expired - Fee Related CN201546175U (en) | 2009-12-01 | 2009-12-01 | Railway bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201546175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955209A (en) * | 2019-11-27 | 2020-04-03 | 中交一公局第六工程有限公司 | Safety control system and monitoring method for super-huge bridge girder erection machine |
-
2009
- 2009-12-01 CN CN2009202888394U patent/CN201546175U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955209A (en) * | 2019-11-27 | 2020-04-03 | 中交一公局第六工程有限公司 | Safety control system and monitoring method for super-huge bridge girder erection machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20161201 |