CN2584584Y

CN2584584Y - Automatic rail fitting device for crane

Info

Publication number: CN2584584Y
Application number: CN 02249366
Authority: CN
Inventors: 付双俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-11-11
Filing date: 2002-11-11
Publication date: 2003-11-05
Anticipated expiration: 2012-11-11

Abstract

The utility model relates to an automatic rail fitting device for a rail crane, which comprises a bearing seat which is tightly fixed on a moving rail, wherein, a transverse rack is arranged on the bearing seat horizontally; the sides of the bearing seat are respectively provided with a speed reducer driven by an electric motor, and a vertical rack seat; a driving gear which is driven by the speed reducer is arranged on the bearing seat; a vertical rack in a vertical gear sleeve on the vertical rack seat is engaged with the transverse rack via the driving gear; a positioning base is fixed on a fixed rail; the synchronal movement of the vertical rack and the transverse rack is driven by the speed reducer and the driving gear which are driven by the electric motor controlled by a control device. The utility model has the advantages that the design is novel, the transverse rack is used for fitting rail, and the vertical rack is used for stopping; the transverse rack is tightly bound with the positioning base after the rails are fit, so the two rails are not sagged and gnawed; the operation result of the utility model shows that the performance is stable, and the actions of fitting and separating the rails are reliable.

Description

Hoisting crane cross that rail hangs automatically to the rail device

Technical field

The utility model relate to that hoisting crane crosses that rail hangs to the rail technology, specifically be a kind of hoisting crane cross that rail hangs automatically to the rail device.

Background technology

At present, China produces crosses rail and hangs that the branch suspension type monorail hangs, double track hangs two kinds, applying unit spreads all over thermal power plant, nuclear power plant, aircraft factory and all two tracks and needs the producer of automatic butt to rail, its objective is: the hoisting crane on the track can freely be entered on another track after butt joint, and work freely back and forth, place the dolly that moves on the track, electric block can winch to the other end from this end to tens of tons of equipment with one ton, and reliable, safety, stable.When needs can freely separate separate operaton again during separate operaton separately.That therefore, gives hoisting crane has proposed quite sharp-pointed problem to rail and self-protection.

One, when automatically to rail, two lock on tracks, alignment should be able to be convenient to running trolley and electric block hoisting heavy back and forth, downwarp does not have at two rail joint places.

Two, when minute open shop, the most important thing is should have the anti-derailing of failure-free stop crossing end that rail hangs trolley travelling, prevent that electric block derailing from breaking, and be the requirement of this stop: (1) during to rail stop remove automatically, run between two tracks for the dolly electric block.(2) turn back to formerly when crossing rail and hanging on the branch open shop when the dolly electric block, terminal stop can automatically reset again, derail because of no stop excess of stroke operation when preventing trolley travelling will lift by crane thing and dolly, cucurbit is broken.(3) behind the orbital docking, when electric block with the weight of lifting during through the joint of two tracks, downwarp and gnaw rail does not have.If to gnaw rail serious, will hinder the loop wheel machine that will hang weight and reach another track smoothly and get on, operation is also like this back and forth.

Up to the present, also do not have which producer of family fundamentally to address the above problem, have to adopt original craft to the rail method, labour intensity is big, and operating efficiency is low, poor stability.It is reported in higher (more than the 6-9m) place of lifting altitude, the operative employee of a lot of producers is stricken especially, the hoisting crane derailing all took place and fell down the incident of breaking in many producers, the grave accident that the dolly derailing causes Hitachi's board 10T Electric Chain Blocks to break just occurred as Dongguan power plant, what it adopted is designed and constructed by external certain Crane Factory to the rail device.

Summary of the invention

In view of the prior art above shortcomings, the utility model proposes that a kind of hoisting crane crosses that rail hangs automatically to the rail device, cross safety that rail hangs automatically to rail to realize the crane-suspended formula, it is big to reduce labour intensity, improves operating efficiency.

This hoisting crane cross that rail hangs automatically to the rail device, it is characterized in that having a load bearing seat 10 that is fastened on the moving rail, on load bearing seat 10, be horizontally installed with horizontal tooth bar 3, retarder 7 and the perpendicular tooth bar seat 12 that is driven by motor 8 is installed in the side of load bearing seat 10, the transmission gear 5 that is driven by retarder is installed on load bearing seat 10 by bearing seat 4, perpendicular tooth bar seat 12 is provided with perpendicular tooth cover 11, the vertical tooth bar 6 and the horizontal tooth bar 3 that are arranged in perpendicular tooth cover 11 all mesh with transmission gear 5, on orbit determination, be fixed with the positioning seat 1 of band, pass through retarder 7 by a control setup control motor 8 to the rail hole, transmission gear 5 drives horizontal tooth bar 3 and vertical tooth bar 6 is synchronized with the movement.

The utility model drives transmission gear by crossing the motor driver that rail hangs on the rail by retarder, drives horizontal tooth bar by transmission gear again and vertical tooth bar is synchronized with the movement, and laterally tooth bar is used for to rail, and vertical tooth bar is used as stop, prevents that electric block from coming off.Novel, compact conformation to horizontal being combined closely in the rail hole of the positioning seat of tooth bar leading portion and orbit determination behind the rail, makes two not downwarps of interorbital, gnaws rail.

Automatically the rail device is moved at mother gulf, Shenzhen power plant in-place test, operation result shows that device performance is stable, to rail, branch rail reliable in action.We can say the utility model solved the lifting industry for a long time automatic safe to the difficult problem of rail.

Description of drawings

Fig. 1 a is that the utility model exemplary embodiments is automatically to the constructional drawing of rail device (to the rail state);

Fig. 1 b is the birds-eye view of Fig. 1 a;

Fig. 1 c is the A-A cutaway view of Fig. 1 a;

Fig. 1 d is the B-B cutaway view of Fig. 1 a;

Fig. 2 a, b divide the constructional drawing of rail state automatically for this to the rail device;

Fig. 3 be this automatically to the rail device to the rail principle schematic;

Fig. 4 divides the rail principle schematic to the rail device automatically for this;

Fig. 5 is that this is automatically to the circuit diagram of the control setup of rail device.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in detail.

Fig. 1, Fig. 2 be the utility model automatically to the constructional drawing of rail device, wherein main portion is: positioning seat 1, lock bolt 2, laterally tooth bar 3, bearing seat 4, transmission gear 5, vertical tooth bar 6, reductor 7, motor 8, to rail limit switch 9, load bearing seat 10, perpendicular tooth cover 11, perpendicular tooth bar seat 12, return limit switch 13, electric block 14, I-beam section 15.

Automatically the rail device is comprised a load bearing seat 10, load bearing seat 10 was fastened on above the moving rail that rail hangs, on load bearing seat 10, be horizontally installed with horizontal tooth bar 3, retarder 7 and perpendicular tooth bar seat 12 are installed in side at load bearing seat 10, motor 8 drives retarder 7, the transmission gear 5 that retarder drives is installed on the load bearing seat 10 by bearing seat 4, perpendicular tooth bar seat 12 is provided with perpendicular tooth cover 11, the vertical tooth bar 6 and the horizontal tooth bar 3 that are arranged in perpendicular tooth cover 11 all mesh in transmission gear 5, the orbit determination end of hanging at another mistake rail is fixed with the positioning seat 1 of band to rail hole 21, and motor 8 is by retarder 7, transmission gear 5 drives horizontal rack 3 and perpendicular tooth bar 6 is synchronized with the movement.Engagement between described retarder 7 and transmission gear 5 bonding states, transmission gear 5 and horizontal rack 3, the perpendicular tooth bar 6 is shown in Fig. 1 d.

Fig. 1 c is the A-A cutaway view of Fig. 1 a, wherein with the cross section to the positioning seat 1 in rail hole 21 be "

" shape, positioning seat 1 adopts bolt 22 to be fastened on another and crosses the orbit determination end that rail hangs, the leading portion of rail hole 21 with horizontal tooth bar 3 cooperated in it, location when being used for moving rail and orbit determination butt joint and auxiliary carrying.

Fig. 3 be this automatically to the rail device to the rail principle schematic.When needs during to rail, press the rail order button, by cart operation button the cart operation is crossed about the orbit determination 100mm that rail hangs from another simultaneously and locates automatic deceleration (carrying out) by electric system, until moving rail with another spacing the stopping in the parallel place of orbit determination that hang of rail.

Press again rail is inserted the button unlatching to rail motor 8, drive transmission gear 5 right-hand revolutions by reductor 7, drive horizontal tooth bar 3 along X2 '-X2 direction motion, front end inject another cross rail hang orbit determination go up positioning seat 1 in the rail hole, simultaneously vertical tooth bar 6 is along Y1 '-Y1 direction motion, rise in 2/3 position, I-beam section lateral edge top, stop to limit switch 9 action, this moment is former to be crossed cucurbit that rail hangs on and not to reach another with having stop and cross rail and hang on, two loop wheel machines just can up, down, left, right, before and after move simultaneously lifting cargo to need the place.

Automatically divide the rail process to be described as follows to the rail device with reference to a minute rail principle schematic 4:

When the need isolated operation, press branch rail dolly return button, cucurbit gets back on the moving rail, automatic command makes to be opened rail motor 8, drives the rotation of transmission gears 5 anticlockwise directions by reductor 7, and then drives horizontal tooth bar 3 and move along X2-X2 ' direction, vertical tooth bar 6 moves along Y1-Y1 ' direction, after action arrives the desired location simultaneously, 13 actions of return limit switch, laterally tooth bar 2 front ends with cross rail and hang rail (upward I-shaped) front end and align; Vertical tooth bar 6 one ends are in I-beam section lateral edge 2/3 position (being the stop position), make to allow cucurbit open to pass by, and have played safest stop effect.Cross that rail hangs and can front, rear, left and right isolated operation lifting cargo.

Because transmission gear drives horizontal rack and perpendicular tooth bar is synchronized with the movement, when being in to the rail latched position, laterally tooth bar be inserted in orbit determination in the rail hole, wanting isolated operation can't carry out, having only horizontal tooth bar to recall not just can isolated operation in to the rail hole at it, and when laterally tooth bar was recalled, vertical tooth bar also was returned to the stop position simultaneously, to stop the electric block slippage.The utility model has solved China and even external lifting industry automatically to rail and the insurmountable in decades significant problem of safety system.

Fig. 5 is that this is automatically to the circuit diagram of the control setup of rail device.With reference to Fig. 5, HA ₁Be the total button of self-locking, KM ₁For always opening/stop contactless switch, HA ₂For to rail self-locking order button, ST ₁For ear magnetic control suddenly crosses that rail hangs that cart stops and to rail instruction limit switch, KA ₁For to rail commands relays, QA ₁For rail is inserted button (unclamp and automatically reset), ST ₂Be ear magnetic control limit switch suddenly after rail is inserted, MK ₂For rail is inserted contactless switch, QA ₂For rail being recalled button, ST ₃Be ear magnetic control return limit switch suddenly, MK ₃For rail being recalled contactless switch, T ₁Be control transformer, M ₁For to the rail motor, QS1 automatic air-break switch etc.

When needs during, press rail order button HA to rail ₂, cross rail hanging to cart and stop limit switch ST ₁Cart stops automatically during the place, to rail relay K A ₁Adhesive and self-insurance, this moment is to rail instruction contactless switch KA ₁Open contact KA _1-1-KA _1-3Closed.Press rail is inserted button QA ₁, voltage transformer T ₁Secondary X ₁End, QA ₁, MK _3-1, KA _1-2, ST ₂, MK ₂To X ₀End forms loop, MK ₂The adhesive motor M ₁Entry into service drives reductor, rail gear clockwise direction is moved, and drive horizontal tooth bar again and advance (in the insertion orbit determination positioning seat) to the orbit determination positioning seat, the upwards operation of vertical tooth bar, disengaging stop position row is ear magnetic control limit switch ST extremely suddenly ₂(be Fig. 1 9) locates ST ₂KM is cut off in the limit switch action ₂Coil circuit, motor M ₁Stop operating, rail is finished, enter lifting job.

After the operation completion, press rail is recalled button QA _2., voltage transformer T ₁Secondary X ₁End, QA ₂, MK _2-1, KA _1-3, ST ₃, MK ₃To X ₀End forms loop, MK ₃The adhesive motor M ₁Antiport drives reductor, rail gear anticlockwise direction is moved, and makes horizontal tooth bar and vertical tooth bar return, when being withdrawn into return limit switch ST ₃(be Fig. 1 13) cuts off KM when locating ₃The coil circuit return stops, horizontal, vertical tooth bar is got back to virgin state (seeing Fig. 2, Fig. 4) and is crossed rail and hang cart and do not insert in the orbit determination positioning seat because of horizontal tooth bar, and cart just can be worked front and back freely, and dolly has vertical tooth bar to make stop again, but the yet relieved work in the left and right sides can not have an accident because of derailing.

Above-mentioned limit switch ST ₂, return limit switch ST ₃All adopt ear magnetic control limit switch suddenly, ST ₂And ST ₃Normality is a closure state.All the other control apparatus circuit all adopt tradition to cross the control apparatus circuit that rail hangs, can be with reference to the operator's hand book of Related product.

Claims

1, a kind of hoisting crane cross that rail hangs automatically to the rail device, it is characterized in that: have a load bearing seat (10) that is fastened on the moving rail, on load bearing seat (10), be horizontally installed with horizontal tooth bar (3), retarder (7) and the perpendicular tooth bar seat (12) that is driven by motor (8) installed in side at load bearing seat (10), the transmission gear (5) that is driven by retarder is installed on load bearing seat (10) by bearing seat (4), perpendicular tooth bar seat (12) is provided with perpendicular tooth cover (11), the vertical tooth bar (6) and the horizontal tooth bar (3) that are arranged in perpendicular tooth cover (11) all mesh with transmission gear (5), on orbit determination, be fixed with the positioning seat (1) of band, pass through retarder (7) by a control setup control motor (8) to the rail hole, transmission gear (5) drives horizontal tooth bar (3) and vertical tooth bar (6) is synchronized with the movement.

2, according to the described hoisting crane of claim 1 cross that rail hangs automatically to the rail device, it is characterized in that: the cross section of positioning seat (1) be "

" shape, the leading portion of rail hole with horizontal tooth bar (3) cooperated in it, location when being used for moving rail and orbit determination butt joint and auxiliary carrying.

3, according to the described hoisting crane of claim 1 cross that rail hangs automatically to the rail device, it is characterized in that: the limit switch in the motor control assembly, return limit switch all adopt ear magnetic control limit switch suddenly.