CN2100379U

CN2100379U - Balanced orientating device of hoisting apparatus

Info

Publication number: CN2100379U
Application number: CN 91218294
Authority: CN
Inventors: 张永江
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-07-19
Filing date: 1991-07-19
Publication date: 1992-04-01

Abstract

In the utility model, the both sides or center of a guide rail of an existing hoisting apparatus or the lower part of a power connection frame and the upper part of a hoisting frame 15 are arranged in parallel with two or four upper and lower balance guide rails 7 and 8, and one or two groups of balance cross brackets 14 are connected between the upper balance guide rail 7 and the lower balance guide rail 8. The structure of the utility model is composed of bracket rods 13 of homogeneous specifications, every two pieces of bracket rods 13 belong to one group, center points are connected by shafts, the upper and the lower ends of the bracket rods and pulleys of the balance guide rails are connected, the upper and the lower center ends of the balance cross brackets are provided with mechanisms which are fixedly telescopic and are synchronously driven. The utility model relates to an apparatus for mastering balance and orientating when the hoisting apparatus hoists and moves an object.

Description

Balanced orientating device of hoisting apparatus

The utility model relates to weight-lifting equipment and object is being lifted the device of grasping the balance orientation when mobile.

Existing weight-lifting equipment has inertia because lifting rope is flexible when starting or stopping, balance quality is lower, influences accurate contraposition, inefficiency.

The prior art that addresses this problem roughly has two kinds, and 1: increase the draw suspension centre of weight-lifting equipment to object.2: adopt telescopic pull bar form between power and mast-up, the former has increased and has drawn suspension centre, and construction is complicated, cost is also corresponding have been improved, because stay cord is flexible, thereby balance and polarization are still unstable, must could obtain balance, orientation by certain rest time; And the latter can only play directional tagging and can not guarantee balance because pull bar intensity is limited.

The purpose of this utility model is to solve the directed problem of balance that existing weight-lifting equipment lifts by crane object when mobile, makes the inertia of lifting thing when mobile be reduced to smaller degree.

Realize that above-mentioned purpose major technique formation is: below the both sides or central authorities and weight-lifting equipment link span of existing weight-lifting equipment top lifting guide rail, be arranged in parallel two or one and go up the balance guide rail, the length of last balance guide rail is identical with the length of lifting guide rail, but there is the length of the last balance guide rail of weight-lifting equipment link span should be identical with the length of X-shape balance pole, between last balance guide rail and mast-up, be connected two covers or a cover X-shape balance bracket, the structure of X-shape balance bracket is made up of the crossing branching rod intersection of many same sizes, per two poles are one group, have more than two groups, the midway location axle connects, between every pack support bar, cradling piece end also axle connects, end at two cradling pieces in the top is connected with the balance Guide rollers, or one head sheave connect, other end axle connects, two cradling pieces of arm support lower end terminal be arranged on mast-up on following balance Guide rollers be connected, or one head sheave connect, other end axle connects, the length of following balance guide rail is suitable with the length of crossing branching rod, is provided with the fixing flexible and synchronous drive mechanism of support at the upper and lower side of balance bracket.

Below in conjunction with accompanying drawing the utility model is described in further details:

Fig. 1 is the balance orienting device structural representation of first kind of form.

Fig. 2 is the lateral plan of Fig. 1.

Fig. 3 is the A-A cutaway view of Fig. 2.

Fig. 4 is the balance orienting device structural representation of second kind of form.

Fig. 5 is the lateral plan of Fig. 4.

Fig. 6 is the C-C cutaway view of Fig. 5.

Fig. 7 is the balance orienting device structural representation of the third form.

Fig. 8 is the lateral plan of Fig. 7.

Fig. 9 is the E-E view of Fig. 8.

Figure 10 is the balance orienting device structural representation of the 4th kind of form.

The figure acceptance of the bid is kept the score and is not:

1, the lifting guide rail, 2, hoist ceiling crane, 3, road wheel, 4, coupling bar, 5, lifting rope, 6, pulley, 7, last balance guide rail, 8, following balance guide rail, 9, top guide bar, 10, lower guide rod, 11, upper sliding sleeve, 12, low sleeve, 13, cradling piece, 14, the balance bracket group, 15, mast-up, 16, movable motor, 17, support intersection mid point, 18, the upper bracket end, 19, distal ends, 20, sliding sleeve pole, 21, the low sleeve link span, 22, sliding sleeve link span walking pull bar, 23, last expansion link, 24, the pulley link span, 25, the power synchronizing shaft, 26, the support block, 27, the synchronous link span of power, 28, last balance rail brackets, 29, the sliding sleeve link span, 30, balance wheel, 31, adapter shaft, 32, terminal point of connection.

Existing weight-lifting equipment has two kinds of forms nothing more than, and a kind of is single action power, a kind of is double dynamical, has designed Fig. 1, Fig. 4, Fig. 7, four kinds of balanced structure forms shown in Figure 10 at these two kinds different dynamic structure the utility model.

Fig. 1,2, shown in 3, it is first kind of balance directive texture of this device form, be used for single action power, both sides at the lifting guide rail, balance guide rail 7 is gone up in be arrangeding in parallel two of symmetry, last balance guide rail 7 is provided with chute, between last balance guide rail 7 and mast-up 15, connect to form with the balance bracket group 14 more than two groups, every group of balance bracket intersected by two cradling pieces 13 to be formed, the intermediate interdigitated point of two cradling pieces connects with axle, the end of every pack support bar also is that axle connects, the upper end of balance bracket group 14 cradling pieces is connected 26 with last balance guide rail 7 pulleys, and the lower end of its balance bracket group 14 is connected 26 with following balance guide rail 8 pulleys on being arranged on mast-up 15, and the length of the length of following balance guide rail 8 and cradling piece 13 is suitable.

Support fixing flexible with synchronous drive mechanism be that the mid point 17 that intersects at X-shape balance bracket group 14 the tops two pack support bars is fixedly connected with upper sliding sleeve 11, top guide bar 9 is captiveed joint with road wheel coupling bar 4, guide rod is a ┐ shape feed rod, guide rod 9 vertical components pass sliding sleeve 11, two cradling pieces in support lower end, 13 intersection fulcrums 17 are provided with two isometric sliding sleeve poles 20 by upper/lower positions, one end is connected for axle with the support intersection, the other end is connected with 12 of low sleeves, and the lower guide rod 10 that passes low sleeve 12 is connected with mast-up 15 vertical fixing.

After opening power supply, along with stretching up and down of lifting rope 5, also synchronous vertical the stretching of balance bracket 7, because support 14 is fixed on the effect of the middle guide rod 9,10 of two sliding sleeves of upper and lower side, thereby the edge that four ends of balance bracket group 14 can only be reciprocity balance guide rail about 7,8 extensions up and down.

Weight can not start or stop motion with power, the unbalanced problem that exists in the prior art noted earlier that Here it is at once because the cause of inertia can seesaw below the mast-up 15 when road wheel starts or stops.Install this device back additional because under the effect of last lower guide rod, the pulley 26 and the road wheel 3 of balance bracket group two ends about in the of 14 are synchronization-moving, vertical two cradling piece ends have up and down been offset the inertia of object as two rigid supporting rod, make it keep balance constantly.Also realized simultaneously directional tagging.

Second kind of balance directive texture form of this device is that balance orienting device structural principle is identical with first kind of cardinal principle, and different is is arranged on the outside of power to two groups of balance bracket groups according to the form of double dynamical structure, shown in Fig. 4,5,6.

The third balance directive texture form of this device is fixed on last balance guide rail 7 and top guide bar 9 below the synchronous link span midway location of power, as Fig. 7,8, shown in 9, like this form of balancing device be support fixing flexible be that the infall of two cradling pieces in the top of X-shape balance bracket 14 is captiveed joint a upper sliding sleeve 11 with synchronous drive mechanism, top guide bar 9 is vertically fixed on below synchronous link span 27 midways location, lower guide rod 10 be vertically fixed on mast-up 15 midways location above, the balance guide rail 7 up and down, the length of 8 length and cradling piece 13 is suitable, last balance guide rail be fixed on synchronous link span 27 midways location of power below.Other principles are the same.

This form of installing last a kind of balancing device is that the distal point axle of going up next side of balance arm support 14 is connected balance guide rail 7 up and down, on 8 the side point, as shown in figure 10, the length of balance rail length and balance pole 13 is suitable up and down, last balance guide rail 7 is fixed on below the synchronous link span of power 27 middle parts, (with reference to the last balance guide rail installation form of Fig. 8), following balance guide rail 8 is fixed on above the mast-up 15, the opposite side block of balance arm support is connected lower guideway 7 up and down, in 8, after power-on, lifting rope is flexible, balance bracket 14 1 side point A axially move, the opposite side terminal B is done fore and aft motion, the center-point of arm support begins to move to a direction, the off centering of long stent more that lifting rope is put many more, and other principle is with above identical.

The utility model is compared with existing technology, its advantage is, because after adopting the directed crossing branching rod group of balance, can make weight lifted by crane the rear to not changing, when power affects weight to move or the bearing force that can be balanced directed arm support group with inertia that stops the traction when mobile is offset, thereby the accuracy rate when improving the object loading and unloading is increased work efficiency, because technology is simply so price also is starkly lower than the balancing device form of other form.We can say that the utility model will be an innovation in the weight-lifting equipment balancing device, it is applicable to various forms of overhead traveling cranes, gauntry crane, and indoor weight-lifting equipment, be not only applicable to the weight-lifting equipment that the electric block power form also is applicable to various retarders, roll form.

Claims

1, a kind of device that is used for weight-lifting equipment balance orientation, comprise actuating unit, lifting guide rail (1), lifting rope (5) and mast-up (15), it is characterized in that in the both sides of lifting guide rail (1) or middle position and lifting guide rail be arranged in parallel two or one and go up balance guide rail (7), between last balance guide rail (7) and mast-up (15), be connected two groups or one group of X-shape balance bracket (14), the serve as reasons cradling piece (13) of many same sizes of the structure of X-shape balance bracket intersect to be formed, per two cradling pieces are one group, have more than two groups, the intermediate interdigitated position axis connects, also axle connection of the end of cradling piece between every pack support bar (13), end at two cradling pieces in the top is connected with last balance guide rail (7) pulley, or one head sheave connect, other end axle connects, the end of two cradling pieces (13) of X-shape balance bracket lower end is connected with the following balance Guide rollers with the same vertical surface of last balance guide rail (7) on being arranged at mast-up (15), or one head sheave connect, other end axle connects, the length of the length of following balance guide rail (7) and cradling piece (13) is suitable, is provided with the fixing flexible and synchronous drive mechanism of support at the upper and lower side of balance bracket.

2, device according to claim 1, it is characterized in that support fixing flexible be to captive joint at the infall of two cradling pieces (13) of the top of X-shape balance bracket (14) sliding sleeve (11) is installed with synchronous drive mechanism, guide rod is captiveed joint with the coupling bar on the road wheel, guide rod is a ┐ shape feed rod, the vertical component of top guide bar (9) passes upper sliding sleeve (11), and horizontal component is connected with coupling bar (4); The infall of X-shape balance bracket (14) two cradling pieces in lower end (13) leans on the next two isometric sliding sleeve poles (20) that are equipped with, these two pole intersection axles connect, fixing low sleeve (12) on two sliding sleeve pole intersecting axles, the lower guide rod (10) that passes low sleeve 12 is vertically fixed on the mast-up both sides.

3, device according to claim 1, it is characterized in that support fixing flexible be that the infall of two cradling pieces in the top of X-shape balance bracket (14) is captiveed joint a upper sliding sleeve (11) with synchronous drive mechanism, top guide bar (9) is vertically fixed on below synchronous link span (27) midway location, lower guide rod (10) be vertically fixed on mast-up (15) midway location above, the length of the length of balance guide rail (7), (8) and cradling piece (13) is suitable up and down, last balance guide rail be fixed on the synchronous link span of power (27) midway location below.

4, device according to claim 1, it is characterized in that a upward end side terminal shaft of balance guide rail (7), (8) connection up and down together of next side of balance arm support (14), balance arm support (14) up and down another terminally connects with another block of balance guide rail up and down, balance guide rail (7), (8) are suitable with cradling piece length up and down for they.