CN201195678Y

CN201195678Y - Locking device of hydraulic hoist apparatus

Info

Publication number: CN201195678Y
Application number: CNU2008200566705U
Authority: CN
Inventors: 樊金田; 刘光明; 郭九春; 史涛; 曹国良; 谢磊
Original assignee: CHINA MCC20 CONSTRUCTION Co Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2008-03-27
Filing date: 2008-03-27
Publication date: 2009-02-18
Anticipated expiration: 2018-03-27

Abstract

The utility model discloses a locking device of a hydraulic jacking up device, which comprises a plurality of upright posts, jacking up beams, a plurality of blocks, a locking disc, a locking cylinder and a plurality of guide riding wheels, wherein a plurality of blocks are separately connected with the outer surface of the upright posts horizontally and vertically, the blocks on one horizontal plane are provided with same height marks, the locking disc is a ring shape, an inner ring of the locking disc is sleeved on the outer surface of the upright posts and is movably connected with the outer surface of the upright posts, the locking disc slides upwards and downwards along the upright posts, a plurality of slots are arranged on the disc surface along the inner ring of the locking disc, the slots are matched with the positions of the blocks, one end of the locking cylinder is connected with the locking disc, the other end is connected with the jacking up beams, the guide riding wheels comprise a supporting frame and directive wheels, wherein one end of the supporting frame is fixed on the jacking up beams, and the directive wheels are located on the lower surface of the locking disc and resist the locking disc. The locking of the jacking up beams can be conveniently realized through utilizing the device, the safety of the whole device is improved, and the potential safety hazard is eliminated.

Description

The latching device of hydraulic jacking equipment

Technical field

The utility model relates to a kind of latching device of hydraulic jacking equipment.

Background technology

Flourish along with nation-building, metallurgy industry mechanical equipment installation project also is on the increase, the mechanical equipment installation is equipped with all kinds of loop wheel machines usually and carries out, but in particular cases at some, can not satisfy the overweight equipment lifting requirements as crane in bridge type in original factory building, influenced by factory building height and ambient environmental conditions, or under the unapproachable situation of other general mobile weight-lifting equipment, use hydraulic jacking equipment to lift overweight machinery usually;

Hydraulic jacking equipment generally by four root posts and lifting beam as device main body, be equipped with hydraulic efficiency pressure system and promote the lifting that lifting beam is realized equipment by column, usually the pillar construction form is the box post, simultaneously in the drilling of the side of column, and be embedded in the hole with steel pipe, in order to play booster action, same, the circular hole of system same diameter and corresponding on crossbeam with the circular hole of column.In the lifting process of lifting beam, on the circular hole of lifting beam and column is corresponding after, just insert in the steel pipe with ready bearing pin, fix column and lifting beam, to play locking column and jacking beam action; At this moment, the pre-top of primer fluid pressing system lifting beam, and then extract bearing pin, and make part and free state, restart hydraulic efficiency pressure system jacking lifting beam, make it to mention the jacking position, make its fixing and locking with bearing pin again; So reach the purpose of jacking lifting repeatedly.But the above-mentioned latching device of bearing pin that utilizes exists many shortcomings:

The making of box post is wayward, is difficult to play directional tagging, is prone to stuck phenomenon.

Because the restriction of the lifting altitude of lifting beam, drilling influences the reliability and stability of column than comparatively dense on the column.

The column perforate is difficult for one heart, and bearing pin inserts and extract difficult.

Be subjected to the column cross section restriction, bearing pin can not be excessive, but all wt all concentrates on the bearing pin after the lifting, also concentrates on the sidewall of lifting beam simultaneously, and shearing force is excessive, is prone to safety problem.

The plug bearing pin is manual operations fully, and is very inconvenient, has potential safety hazard.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of latching device that overcomes the hydraulic jacking equipment of above-mentioned defective, and it efficiently solves the locking problem of lifting beam in lifting process of hydraulic jacking equipment.

For solving the problems of the technologies described above, the latching device of the utility model hydraulic jacking equipment comprises column and lifting beam, some blocks, locking plate, locking cylinder and some guiding support rollers;

Be connected in to described some block levels and perpendicular separation the column outside face, block on same horizontal surface has same absolute altitude, described locking plate is a ring-type, its inner ring sleeve becomes to flexibly connect in the column outside face and with the column outside face, described locking plate slides up and down along column, have some draw-in grooves along hoop card in the locking plate, described draw-in groove and stop location coupling, described locking cylinder one end connects described locking plate, its other end connects described lifting beam, described guiding support roller comprises support and is connected in the track adjusting wheel of described support one end, the other end of described support is fixed in described lifting beam, and described track adjusting wheel is positioned at described locking plate lower surface and props up locking plate.

Locking plate is smooth and easy in column to slide up and down and rotates in order to make, and the upper and lower side of above-mentioned block has groove; The corner angle of ring and draw-in groove partly have groove in the above-mentioned locking plate.

Because the latching device of the utility model hydraulic jacking equipment has adopted technique scheme, some blocks promptly are set on the column of hydraulic jacking equipment, locking plate is set in the column outside face and has some positions and the draw-in groove of block coupling, locking plate moves up and down along column with lifting beam by the guiding support roller, after arriving certain position, locking plate rotates a certain angle by the locking cylinder, block and draw-in groove are staggered, locking plate is held on the block, this moment, lifting beam was held on the locking plate, so realized the purpose of locking; Utilize this device can conveniently realize the locking of lifting beam, potential safety hazard has been eliminated in the safety that has improved entire equipment.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and embodiments:

Fig. 1 is the structural representation of this hydraulic jacking equipment latching device,

Fig. 2 is lifting beam, guiding support roller and the locking plate bonded assembly scheme drawing of this hydraulic jacking equipment latching device,

The specific embodiment

As depicted in figs. 1 and 2, the latching device of the utility model hydraulic jacking equipment comprises column 1 and lifting beam 5, some blocks 11, locking plate 2, locking cylinder 4 and some guiding support rollers 3;

Be connected in to described some blocks 11 levels and perpendicular separation column 1 outside face, block 11 on same horizontal surface has same absolute altitude, described locking plate 2 is ring-types, its inner ring sleeve becomes to flexibly connect in column 1 outside face and with column 1 outside face, described locking plate 2 slides up and down along column 1, have some draw-in grooves 21 along hoop card in the locking plate 2, described draw-in groove 21 and block 1 location matches, described locking cylinder 4 one ends connect described locking plate 2, its other end connects described lifting beam 5, described guiding support roller 3 comprises support 6 and is connected in the track adjusting wheel 61 of described support 6 one ends, the other end of described support 6 is fixed in described lifting beam 5, and described track adjusting wheel 61 is positioned at described locking plate 2 lower surfaces and props up locking plate 2.

Locking plate 2 is smooth and easy in column 1 to slide up and down and rotates in order to make, the upper and lower side of above-mentioned block 11 has 30 degree grooves and links together with Type of Welding and column 1, when lifting beam 5 hoists, jacking fine strain of millet 5 is locked on the block 11 by locking plate 2, when locking plate 2 is locked fully, all gravity pass to all blocks 11 on the same horizontal surface by the locking plate under the jacking fine strain of millet 52, and at this moment, the gravity of all lifting objects is divided equally by the block 11 on this absolute altitude face; This outer baffle block 11 also is used for the positioning and guiding of jacking fine strain of millet 5, makes it the fixed-direction lifting along block 11, prevents lifting beam 5 skews and dislocation.

Because locking plate 2 will be done the lifting slippage along the link stopper 11 of column 1 along with jacking fine strain of millet 5, so be provided with draw-in groove 21 on locking plate 2, draw-in groove 21 positions are corresponding with the block 11 on the column 1.Can adopt the cutting of programming numerical control cutting machine, adopt free-running fit between locking plate 2 internal diameters and column 1 external diameter and the block 11, to enough adapted spaces be arranged with link stopper 11, otherwise stuck phenomenon can take place, but also can not excessive clearance, if the gap is too big, making locking plate 2 rotations by locking cylinder 4 when, can cause the rotation of locking plate 2 can not center on the center of column 1, thereby shift phenomenon takes place, locking plate 2 can not smooth and easyly be rotated, or rotate not in place.Because the link stopper 11 on the column 1 is Type of Welding, after having welded, will weld meat again and polish, but the inevitable weldering meat that exists.For guaranteeing the levelness on plane, top, draw-in groove 21 and inner diameter location at locking plate 2 are opened 45 degree grooves, can avoid the locking plate 2 and the weldering meat of link stopper 11 to collide, make locking plate 2 tighter fully contacting with link stopper 11, in addition, the gradient of groove can increase the progressive distance of slideway, makes locking plate 2 easier rotations, is not subjected to the obstruction of link stopper 11.

Locking plate 2 is combined together with jacking fine strain of millet 5 by guiding support roller 3.Add the handler of locking cylinder 4 on locking plate 2, and be welded on locking plate 2 upper side midways location, join the brill perforate at button and cylinder head, connect with bearing pin, locking cylinder 4 afterbodys also leave bearing, and are welded on the lifting beam 5, also connect with bearing pin.When lifting beam 5 rises to assigned address, control by the air pressure station, open locking cylinder 4 valves, making locking cylinder 4 is that hinged point rotates with tail cylinder, because cylinder head is connected with locking plate 2, when cylinder extends, make locking plate 2 around column 1 rotation, through calculating, when cylinder stretches out fully, locking plate 2 just rotates 45 °, and close cylinder valve this moment.When locking plate 2 slippages during to the gap neutral of block up and down, by the rotation of locking plate 2, draw-in groove 21 and block 11 are staggered, make locking plate 2 stuck up and down between two blocks 11, can not move up and down, thereby play the locking effect.

Fall jacking fine strain of millet 5 then after rise, this moment, all weight all passed to link stopper 11 by locking plate 2.When jacking fine strain of millet 5 hoists once more, locking plate 2 leaves behind the block 11 immediately reversing sense and opens cylinder valve, make locking cylinder 4 withdrawals, drive locking plate 2 rotations simultaneously, when cylinder bounced back fully, locking plate 2 had also been got back to reference position, promptly with column 1 block 11 corresponding positions, just can hoist along block 11 this moment, so reaches the purpose of lifting locking repeatedly.

Claims

1. the latching device of a hydraulic jacking equipment comprises column and lifting beam, it is characterized in that: also comprise some blocks, locking plate, locking cylinder and some guiding support rollers;

2. the latching device of hydraulic jacking equipment according to claim 1, it is characterized in that: the upper and lower side of described block has groove.

3. the latching device of hydraulic jacking equipment according to claim 1 is characterized in that: the corner angle of ring and draw-in groove partly have groove in the described locking plate.