CN88204143U - Synchronous position lifting system for long rail - Google Patents
Synchronous position lifting system for long rail Download PDFInfo
- Publication number
- CN88204143U CN88204143U CN 88204143 CN88204143U CN88204143U CN 88204143 U CN88204143 U CN 88204143U CN 88204143 CN88204143 CN 88204143 CN 88204143 U CN88204143 U CN 88204143U CN 88204143 U CN88204143 U CN 88204143U
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- CN
- China
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- rail
- crane
- trapeze
- overhead hoist
- positioning car
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- Control And Safety Of Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
Disclosed is a new synchronous position lifting system for long rails having the functions of centralizing control, synchronization action, exact position and automatic clamping. The utility model is characterized in that each single-beam gantry crane is composed of a gantry frame, two position motors, one hoist and one anti-swing frame; a long rail lifting device is formed by a plurality of single-beam cranes making use of an entirety lifting bar and a plurality of rail tongs installed on the hanging bar. The synchronous operation of the long rail lifting device is implemented by a synchronism position device. The utility model has the advantages of centralizing control, safe operation and high efficiency of continuous production in lifting, saves lifting labors, keeps rails straight in the lifting operation all the time, and can not damage rails.
Description
This device is a kind of have centralized control, synchronization action, the accurately location and later-model long rail hanging apparatus of clamp automatically.
Existing 200 to 500 meters long rail overhead hoist, the electric block gantry travel(l)er group who generally adopts the traction of an elevator group of planes to pull or handle with dispersion lifts long rail.Their common drawback is with manually folding up rail, and manual operation drag rope or gantry travel(l)er, labour intensity are very big, and production efficiency is lower; Very big owing to the very long inertia of rail in addition, swing is got up, and head and the tail are very difficult to be echoed, and moves to be difficult to synchronously, and rail takes place easily twist and warp distortion, or the staff that damages, influence the quality of paving the way, dress rail speed and safety in production.
The utility model device purpose is to overcome above-mentioned shortcoming, provides a kind of and can improve the lifting operation labor condition, improves lifting quality and efficient, and can adapt to the long rail overhead hoist of the long rail car of multilayer entrucking needs.
The purpose of the utility model device is achieved in that a plurality of single-beam gauntry cranes, by a whole trapeze be installed in many rail tongsrail clamps on the trapeze, constitutes a complete long rail overhead hoist and comes the long rail of handling.Every single-beam gauntry crane, by a portal frame, a hoist ceiling crane and two positioning cars constitute.Crane is provided with an anti-rocker.Portal frame is a welded structure, its supporting leg and girder bolt together, and supporting leg is fixed on the ground by ground screw.Anti-rocker is simple truss structure, by four walking wheels, is bearing on the edge of a wing of door frame girder I-beam section.Hoist ceiling crane is installed in the anti-rocker, and a running motor is arranged on it, and fast lifting motor and one is lifting motor at a slow speed.Running motor drives anti-rocker and moves along girder; Lifting motor drives wire rope drum and rotates, and steel rope connects with four pulleys on the trapeze and affects the trapeze up-and-down movement.Trapeze is the welded structure of square-section, form by many single-units connections, the dozens of rail tongsrail clamp is equipped with in its underpart, trapeze is unified into an integral body with rail tongsrail clamp and crane, and play effects such as increasing suspension centre, equally loaded, raising hanger rail stiffness, reach and reduce the door frame quantity purpose of reducing investment outlay.Rail tongsrail clamp is fixed in the trapeze with bolt, realizes folding up rail automatically by its electromechanical structure.Crane two sides respectively are provided with a positioning car, accurately locate with helping crane, and make all cranes keep straightened condition and synchronization action.Positioning car is by the step motor drive on it, its distance travelled can be by the control of power supply pulse count, each pulse traveling 0.18mm.The power supply pulse count of every motor, controlled by the synchronized positioning system, and be provided with the automatic correcting mechanism of traveling error, to proofread and correct since each location wheel through making and operation abrasion error and the unequal irresistible factor of rail surface state resistance the traveling error that is caused.Each positioning car 1.5 meters distances of whenever passing by with automatically proofreading and correct the travel distance of oneself, remain on the same flat line all dollies again.Electric and mechanical braking is housed on the positioning car, and control setup, the three-phase pulse size of current of positioning car, frequency and phase sequence are dispatched push button control, traveling error between each positioning car is subjected to its synchronous running mechanism control to have automatic calibration capability and guarantees unanimity synchronously, the start-stop position of each positioning car, controlled by its detent mechanism, keep strokes, passing through about crane, the power cutoff mechanism of dolly is located in the position and the control of impacting type braking mechanism reaches accurate location purpose, and the crane position of rising and falling up and down is subjected to its positioning limit mechanism and power-off protection mechanism controls; The operating system of crane starting action is dispatched control button and is controlled.
Whole overhead hoist is made up of positioning car and crane; positioning car is made up of pulse driving power and switch circuit by detent mechanism, synchronizer gear control, its power pack section of scheduling operation device, positioning car; crane is subjected to scheduling operation device, crane location (spacing) mechanism, crane traveling put in place breaker device, mechanical brake blocking device and power-off protection control, and its power pack section is made up of electrical source of power device and switch circuit.
The overall process of hanger rail can be decomposed into 5 actions:
1, first positioning car enters the relevant position of hanger rail, and second positioning car enters the relevant position of putting rail.
2, hoist ceiling crane is that benchmark enters the hanger rail position with first positioning car.
3, trapeze at first descends with first quick and back slow speed, clamps rail reposefully.Then, with the fast speed rise in slow back earlier, enter in the exit skirt of anti-rocker.
4, hoist ceiling crane is that benchmark enters and puts the rail position with second positioning car.
5, trapeze at first descends with first quick and back slow speed, puts rail reposefully well, rises with the fast speed in slow back earlier then, enters in the exit skirt of anti-rocker, gets ready for hanging this one steel rail.
The structure of this long rail overhead hoist and principle can be used for the long rail of handling 500m or the article of other elongated fully.
This device advantage compared with prior art is:
1, centralized control, saving dress hang the workman, reduce labor intensity, job safety.
2, hoisting process continuous working, the production efficiency height need not the auxiliary positioning production time.
3, having synchronous locating device can realize automatic clamp, synchronization action, accurately locate automatically.
4, can deposit the multilayer rail, load multilayer and send the rail car, a large amount of saving deposited the rail land used, improves the fortune rail speed of laying a railway track.
5, dress hangs the process rail and remains straight motion, can not cause the rail failure distortion, guarantees the rail quality of continuously welded rail track.
Now in conjunction with the accompanying drawings the overhead hoist of the long rail of handling length L≤200m is described further:
The long rail overhead hoist of Fig. 1 scheme drawing
Fig. 2 positioning car
Fig. 3 prevents rocker
Fig. 4 trapeze
Fig. 5 rail tongsrail clamp
The power of Fig. 6 Lift-on/Lift-off System and control setup scheme drawing thereof
Among the figure:
1, clamp 20, caliper body
2, trapeze 21, spring
3, supporting leg 22, voussoir
4, positioning car 23, axle
5, pulley 24, electromagnet
6, hoist ceiling crane 25, drawing pull bar
7, steel rope 26, positioning car open-circuit device
8, the registration device of anti-rocker 27, positioning car
9, the synchronous device of girder 28, positioning car
10, the driving power device of walking wheel 29, positioning car
11, roller 30, positioning car handling device
12, exit skirt 31, the crane auto-power-off device that puts in place
13,14, positioning car principal and subordinate walking wheel 32, positioning car mechanical brake blocking device
15, stepping motor 33, crane location (spacing) mechanism
16, miniature gears 34, crane switch circuit devices
17, brake control lever 35, crane power-off protection apparatus
18, slipper 36, crane engine installation
19, guide plate 37, crane operating control
It has the single-beam gauntry crane of 10 centralized controles, synchronized operation long rail overhead hoist (Fig. 1), by a whole trapeze (2) be installed in 20 clamps (1) handling rail in the trapeze.Total spacing of 10 gauntry cranes is 9 * 20.24=182.6m, but width is 26.8m handling length L≤200m, the various rail of the heavy G≤75kg/m of rail.The single-beam gauntry crane is made up of portal frame (3,9), two positioning cars (4), an anti-rocker (8), a hoist ceiling crane (6), the steel rope of hoist ceiling crane (7) does not change with height with the position that the pulley (10) on double wrap mode and the trapeze (2) connects to guarantee the multilayer hanger rail, 20 clamps (1) are fixed by bolts on the trapeze (2), portal frame (3,9) is a welded structure, span 26m, height 6.82m, be to be formed with Bolt Connection by supporting leg (3) and girder (9), supporting leg is fixed on the ground by holding-down bolt.The elevator machinery of single-beam gauntry crane is the hoist ceiling crane (6) of MD type 5T, hoist ceiling crane is installed among the anti-rocker (8), and the anti-rocker synchronized operation of promotion, anti-rocker (Fig. 3), place between two positioning cars, be bearing in by four walking wheels (10) on the edge of a wing of girder (9) I-beam section, also have two rollers (11) to be pressed on the bottom surface of girder (9) I-beam section, anti-rocker is simple truss welding structure.During the handling rail, trapeze (2) rises up in the exit skirt (12) of anti-rocker, and the swing of trapeze (2) is restricted by anti-rocker, and affacts on the girder (9) by roller (11), thereby the swing of restriction rail absorbs the kinetic energy that moves.Positioning car (4) has two, be bearing on the edge of a wing of girder (9) I-beam section by principal and subordinate's walking wheel (13,14), stepping motor (15), miniature gears (16), mechanical braking mechanism, brake control lever (17), slipper (18) etc. are installed on the positioning car, miniature gears of stepping motor (16) and initiatively walking wheel (13) engagement, positioning car is by step motor drive, the distance travelled of them determined by pulse count, each locatees the motion of dolly, can make it keep consistent synchronously by control power supply pulse count.The reason such as inconsistent and each positioning car walking wheel wheel footpath error owing to the girder apparent condition, under the pulsating effect of similar number, positioning car distance travelled incomplete same is as the criterion and determines to be provided with self correcting system in the position, and be consistent synchronously to keep each positioning car.Self correcting system adopts and the door principle, and the every traveling 1.5m of positioning car proofreaies and correct once, and could continue to go ahead after must all arriving this position in the position of 10 positioning cars, otherwise be in the original place wait state.For keeping accurate location, mechanical brake device and electric braking have been installed on the positioning car additional, when crane when the positioning car (4), make crane running motor outage brake, the disc-brake sheet of Cone-shaped electric machine, to make the braking of crane automatic deceleration, bump against on the brake control lever (17) of positioning car with small leaving velocity then, slipper (18) is risen, be pressed on and press the existing mechanical braking of consolidation more on the surface of girder (9) more, this moment the electric braking on the positioning car, mechanical brake, the damping rubber piece of anti-rocker, and the running motor disc-brake is brought into play braking and shock damping action simultaneously, make crane rest in securely accurately that positioning car is determined to be hung, put on the rail position, ten straight unanimities of positioning car are so ten cranes also on the straight line of oneself, reach the purpose of accurate location.Trapeze (2) is the welded structure of square-section, and it is formed with bolted connection by 19 single-units, and length overall is 193.11m, and this structure can be improved the strained condition of trapeze.20 mechanical type automatic rail clampings pincers (1) are housed on the trapeze (2), its spacing is 10.12m; long rail overhead hoist; this whole trapeze is set makes of the loop wheel machine device minimizing 23% of the quantity of hoisting crane than no trapeze; hoist ceiling crane can increase suspension centre, equally loaded, overload protection and raising hanger rail rigidity by trapeze and the rail tongsrail clamp hanger rail that is installed in the trapeze.Rail tongsrail clamp (Fig. 5) is made up of guide plate (19), caliper body (20), spring (21), voussoir (22), axle (23) and electromagnet (24), two electromagnet (24) drawing pull bar (25) make voussoir (22) prolong guide plate (19) up-and-down movement, when voussoir rises, caliper body (20) is subjected to spring (21) tension to open jaw, when voussoir (22) descends, spring (21) is unclamped, the jaw closure, available electromagnet (24) automatic guidance folds up rail.The ellipse auxiliary mechanism of taking turns in the clamp further guarantees jaw folding reliably.The mode of operation of rail tongsrail clamp is shown automatically that by the signal lamp that is installed on the trapeze dispatcher can carry out operation by signal lamp.Electromagnet (24) is installed on the trapeze (2).
The power of crane system and control setup (Fig. 6):
Whole Lift-on/Lift-off System is made up of positioning car (4) and crane (6), positioning car (4) is subjected to scheduling operation device (30), positioning car detent mechanism (27), synchronizer gear (28) control, its power pack section is made up of pulse driving power (29) and switch circuit (26).Crane (6) is subjected to scheduling operation device (37); crane location (spacing) mechanism (34), crane traveling put in place breaker device (31), mechanical brake blocking device (32) and power-off protection (35) control, its power pack section is made up of electrical source of power device (36) and switch circuit (34).
The basic mechanical design feature of long rail overhead hoist is: the traveling speed of crane is 20m/min, fast lifting speed is 8m/min, lifting is 0.8m/min at a slow speed, and hanger rail length is 200～500m, about the about 20m of door frame spacing, the heaviest permission of rail type 75Km/m, the on average about 2min of handling one one steel rail, the wide 68～70mm of the wide 190mm rail head of rail tongsrail clamp mouth allows maximum positioning error to be ± 60mm, actual error is generally at 20～30mm, and depositing rail platform two rail Center Gap is 187.5mm.
Claims (8)
1, a kind of long rail overhead hoist, form by gauntry crane, rail tongsrail clamp, it is characterized in that every single-beam gauntry crane is made of portal frame (3,9), two positioning cars (4), a hoist ceiling crane (6), an anti-rocker (8), many single-beam gauntry cranes are by a whole trapeze (2) and be installed in the long rail overhead hoist of a plurality of rail tongsrail clamps (1) formation on the trapeze (2).
2, overhead hoist according to claim 1 is characterized in that portal frame (3,9) is welded structure, its supporting leg (3) and girder (9) Bolt Connection, and supporting leg is fixed on the ground by ground screw.
3, overhead hoist according to claim 1, it is characterized in that anti-rocker (8) is simple truss structure, be bearing in by four walking wheels (10) on the edge of a wing of door frame girder (9) I-beam section, have two rollers (11) to be pressed on the bottom surface of girder I-beam section.
4, overhead hoist according to claim 1 is characterized in that hoist ceiling crane (6) is installed in the anti-rocker (8), and running motor drives and prevents that rocker (8) moves along girder (9) on it; Lifting motor drives wire rope drum (7) and rotates, and steel rope connects drive trapeze (2) up-and-down movement with four pulleys (5) on the trapeze in the double wrap mode.
5, overhead hoist according to claim 1 is characterized in that trapeze is the welded structure of square-section, is connect by many single-units to form, and dozens of rail pincers (1) are equipped with in its underpart, trapeze (2) is unified into an integral body with rail tongsrail clamp and crane.
6, overhead hoist according to claim 1 is characterized in that positioning car by the step motor drive that is subjected to pulse current control, is equipped with electric and mechanical braking and control setup thereof on each pulse traveling 0.18mm, the positioning car; Three-phase pulse size of current, frequency and the phase sequence of positioning car are dispatched push button control; Traveling error between each positioning car is controlled by its synchronous running mechanism, has automatic calibration capability, guarantees consistent synchronously; The start-stop position of each positioning car is controlled by its detent mechanism, keeps strokes.
7, overhead hoist according to claim 1 is characterized in that the position of passing through about crane, controlled by the power cutoff mechanism of positioning car and impacting type braking mechanism thereof, reaches accurate location purpose; The crane position of rising and falling up and down is subjected to its positioning limit mechanism and power-off protection mechanism controls; The operating system of crane starting action is dispatched control button and is controlled.
8, overhead hoist according to claim 1, the jaw that it is characterized in that clamp (1) is by electromagnet (24) traction voussoir (22) and mechanical ellipse wheel mechanism control, and realization moves up and down and opens and closes automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88204143 CN88204143U (en) | 1988-04-21 | 1988-04-21 | Synchronous position lifting system for long rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88204143 CN88204143U (en) | 1988-04-21 | 1988-04-21 | Synchronous position lifting system for long rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN88204143U true CN88204143U (en) | 1988-11-23 |
Family
ID=4838812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88204143 Withdrawn CN88204143U (en) | 1988-04-21 | 1988-04-21 | Synchronous position lifting system for long rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN88204143U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112799A (en) * | 2013-02-04 | 2013-05-22 | 中联重科股份有限公司 | Auxiliary dismantling device used for crane structural component |
| CN105000477A (en) * | 2015-08-06 | 2015-10-28 | 中铁十八局集团隧道工程有限公司 | Hoisting device and transferring method for open type TBM transferring |
| CN106335846A (en) * | 2016-11-16 | 2017-01-18 | 天津港兴东物流有限公司 | Device special for large condenser encasement |
| CN109399459A (en) * | 2017-11-01 | 2019-03-01 | 纽科伦（新乡）起重机有限公司 | A kind of electric control system of crane combined automatic job |
| CN111252670A (en) * | 2018-11-30 | 2020-06-09 | 西华大学 | Synchronous positioning method of monorail crane |
| CN112938776A (en) * | 2021-04-16 | 2021-06-11 | 攀钢集团西昌钢钒有限公司 | Steel rail hoisting device |
-
1988
- 1988-04-21 CN CN 88204143 patent/CN88204143U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112799A (en) * | 2013-02-04 | 2013-05-22 | 中联重科股份有限公司 | Auxiliary dismantling device used for crane structural component |
| CN105000477A (en) * | 2015-08-06 | 2015-10-28 | 中铁十八局集团隧道工程有限公司 | Hoisting device and transferring method for open type TBM transferring |
| CN106335846A (en) * | 2016-11-16 | 2017-01-18 | 天津港兴东物流有限公司 | Device special for large condenser encasement |
| CN109399459A (en) * | 2017-11-01 | 2019-03-01 | 纽科伦（新乡）起重机有限公司 | A kind of electric control system of crane combined automatic job |
| CN111252670A (en) * | 2018-11-30 | 2020-06-09 | 西华大学 | Synchronous positioning method of monorail crane |
| CN112938776A (en) * | 2021-04-16 | 2021-06-11 | 攀钢集团西昌钢钒有限公司 | Steel rail hoisting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C61 | Other related matters missed announcement to grant the patent right of following patent application on september 13, 1989 | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |