CN2102281U - Civil collapsible crane - Google Patents

Civil collapsible crane Download PDF

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Publication number
CN2102281U
CN2102281U CN 91206795 CN91206795U CN2102281U CN 2102281 U CN2102281 U CN 2102281U CN 91206795 CN91206795 CN 91206795 CN 91206795 U CN91206795 U CN 91206795U CN 2102281 U CN2102281 U CN 2102281U
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CN
China
Prior art keywords
coaster
locking
self
bar
crane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 91206795
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Chinese (zh)
Inventor
吴焕清
田勇善
Original Assignee
吴焕清
田勇善
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 吴焕清, 田勇善 filed Critical 吴焕清
Priority to CN 91206795 priority Critical patent/CN2102281U/en
Publication of CN2102281U publication Critical patent/CN2102281U/en
Granted legal-status Critical Current

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Abstract

The utility model discloses a folding crane which belongs a lifting device for civil use. The utility model mainly comprises a main supporting bar, a balance arm bar and a pulley. The main supporting bar is provided with a pulley wheel, a support self-locking device, a drum and a sliding tube. The balance arm bar is provided with a baffle plate and a pulley self locking bar. The pulley can move on the balance lifting arm. The lifting action is finished by the drum, and the parallel moving of the heavy goods is finished by the automatic moving of the pulley. When the folding crane is in no action, the folding crane can be folded on the wall of the balcony, and the supporting and the folding are totally convenient. While in use, the folding crane can achieve the functions of the ordinary large-sized crane, and the structure and the safety of the building are not destroyed.

Description

Civil collapsible crane
The utility model belongs to a kind of civilian hanging apparatus.
Before the utility model is realized, do not find similarly folding civilian crane.Generally live in the resident in terraced room, particularly live in the resident who does not have heating arrangement more than two layers, to carrying heavy goods is very worried upstairs.Particularly when warming, the carrying fire coal has become above-mentioned resident's to bear greatly.For solving the carrying problem of weight, some people on balcony or roof portion easy pulley is installed, relying on manpower upwards to draw send, though the method can solve certain carrying problem, but its existing problems also are significantly, need very high labour intensity, still have greatly and go carrying, pick by manpower, and install, operate very inconvenience, can not fundamentally reduce labor intensity.
The purpose of this utility model provides a kind of civilian folding crane, and it can fold on the wall that is installed on balcony, during use, and opening installation easily, and only need one man operation to get final product, thus fundamentally solved aforesaid problem.
Basic structure of the present utility model comprises that mainly one one end is supported on the ground, the top has pulley, the middle part has slip pipe and reel and support self-locking device, the main support rod that can stretch, one when supporting and described main support rod intersect vertically, one end can be fixed on the wall, and the other end is connected in the parallel bar on the slip pipe of main support rod; One parallel with described parallel bar, intersects vertically with main support rod, and an end can be fixed on the wall.The middle part has a plate washer that is welded with wedge, the other end to be welded with the bent balance arm of a coaster self-lock rod; The coaster that has the suspension hook self-locking device that can on described balance arm, slide.
Elaborate below in conjunction with accompanying drawing.
Accompanying drawing 1 is a main scheme drawing of the present utility model;
Accompanying drawing 2 is the right side scheme drawing of accompanying drawing 1.
Accompanying drawing 3 is a pulley structure scheme drawing of the present utility model, and wherein left side figure is a front view, and right figure is a right side view.
Shown in the solid line among Fig. 1 and Fig. 2, main support rod has sheave shaft 3 and pulley 4 by the top.The sleeve pipe 31 and the transverse tube that is socketed in the exterior slip pipe 16 of lower support bar on lower support bar 9 tops passed in the lower end, and stand on the ground with upper support bar 5 and a lower end that bolt and slip pipe 16 link together, after the other end passed slip pipe 16, the inferior strut 9 that the top has a self-locking device 12 constituted.Described slip pipe can together be done relative upper and lower motion with lower support bar with upper support bar, thereby reaches folding purpose.When described upper support bar 5 stretched out certain distance, the steel ball in the support self-locking device 12 of the sleeve pipe on described lower support bar 9 tops upper end will be stuck on the upper support bar in the corresponding groove, thus the fixing relative position of upper support bar and lower support bar.The structure of the quick coupling of using in the structure of described support self-locking device and the prior art is identical.
Described parallel bar 1 one ends can be fixed on the wall, and the other end to be being bolted to the lower end of described slip pipe, and can the keeping parallelism bar and slip pipe between relative motion.
The structure of described lower support bar 9 and shape are as shown in Fig. 1 and Fig. 2, and sleeve pipe 31 upper ends are peripherally equipped with a support self-locking device, and the bottom of upper support bar can be passed sleeve pipe and be connected with slip pipe.Described slip pipe is enclosed within on the bar of lower support bar two sides, and can upper and lowerly slide.The lower end of described lower support bar can respectively be connected to a height adjustment jackscrew 17, to adjust corresponding height.
In the centre of described slip pipe a reel 14 that has ratchet 15 and crank 13 is arranged, drum shaft can be supported on slip pipe two sides, and crank is installed on the drum shaft of slip pipe one side.
Be welded with a fix shaft on the top of described upper support bar, the each several part relative position when helping to determine that whole crane supports.
Described balance arm is fixed on the wall by one one end, and the middle part has a bottom to be welded with the equilibrium arm 2 of the plate washer 7 of wedge 29 as shown in the figure with bolt; One one end bottom is welded with a coaster self-lock rod 25, and an end of the other end and described equilibrium arm is formed with the arm 8 of bolt 36 socket connections.When needs bend, can be the axle center with the point of pegging graft, make described equilibrium arm and arm do relative bending.
Described equilibrium arm upside be welded with one with described upper support bar on the locating rack 33 that is rotationally connected of fix shaft 32 so that the relative position of described equilibrium arm and upper support bar is fixed.Lift described equilibrium arm when supporting, and described locating rack drive fix shaft is together moved, upper support bar drives slip pipe and together moves.When upper support bar moves to certain position, support self-locking device upper and lower post position is fixed, make whole crane finish support part simultaneously.
Equilibrium arm stay cord 38 1 ends are fixed on equilibrium arm on the fulcrum of wall, and the centre rides on the sheave shaft on described main support rod top, and the other end is connected on the end of described arm, thereby can keep the balance of whole balance arm.
10 is coaster among the figure, and when rotating crank 13 scrolling steel ropes 6, steel rope will move on described balance arm through pulley 4 pulling coasters 10.
Accompanying drawing 3 is the structural representation of the utility model coaster 10, and wherein left figure is main scheme drawing, and right figure is the right side scheme drawing.
Two moving shafts 28 can drive and move wheel 18 and move on described balance arm before and after in the accompanying drawing; The plate washer 7 of coaster is installed in and moves on the inboard moving shaft of wheel, and is support with described moving shaft 28; Midway location upside at described two moving shafts has one to be the sheave shaft that has pulley 20 30 of support with described coaster baffle plate; Middle part at the preceding moving shaft 28 of direction as shown is connected with an extension spring 21, and the other end of described extension spring is connected one and can moves up and down along the lifting groove 26 on the coaster plate washer, is on the pull bar 24 of support from locking and hanging hook 22 with the coaster of coaster plate washer inboard; Described coaster can hook the coaster self-lock rod 25 that is welded on described suspension rod end downside under the effect in extension spring from an end of locking and hanging hook.The other end can the plate washer lower end axle 37 for supporting, and can this axle be the distance defined in the center rotation lifting groove, on the midway location of locking and hanging hook, have one to have spools 27 of suspension hook self-locking device 23 at described coaster.The structure of described suspension hook self-locking device is identical with the pneumatic quick coupling of application already in the prior art.There is a upper end to connect the suspension hook of steel rope in the bottom of described suspension hook self-locking device; Two sides at described suspension hook self-locking device respectively have a symmetrical protruding key 35.
Before the starting weight, described coaster hooks the coaster self-lock rod under the effect of locking and hanging hook in extension spring, and when slinging weight, steel rope upwards spurs weight by pulley with suspension hook.When described suspension hook upper edge collides the suspension hook self-locking device, the suspension hook self-locking device produces self-locking, make described coaster from the locking and hanging hook load-bearing by axle 37 simultaneously, break away from coaster self-lock rod 25, and drive pull bar and move down the distance that equates with groove along the lifting groove on the coaster plate washer, force of gravity is to the coaster plate washer at this moment.Under the pulling of steel rope, coaster can move along the balance suspension rod simultaneously.
The state of the utility model when folding as shown in phantom in Figure 1.When needs support, can spur described balance suspension rod also upwards pushes away, the balance suspension rod, upper support bar is all done relative motion around the fulcrum of described balance suspension rod on wall, because upper support bar drives slip pipe and parallel bar motion, slip pipe also can drive lower support bar 9 simultaneously and do relative motion around the fulcrum of parallel bar on wall.When moving to as shown in the figure the position, steel ball will be stuck in the described upper support bar in the corresponding groove in the support self-locking device of described lower support bar upper end, thereby makes whole crane reach fixing.This moment described main support rod, parallel bar, trammel beam and wall form a parallelogram in whole support opening procedure.And after support finishes, form a rectangle, reach the balance of mechanics, and produce longitudinal ligament by main support rod.Before the weight of slinging, make described supratrochlear coaster hook the coaster self-lock rod from locking and hanging hook, the crank of rotating drum makes steel rope pass through the pulley and the supratrochlear pulley pulling suspension hook upward movement of main support rod upper end during lifting, when the suspension hook upward movement is run into described suspension hook self-locking device, make described coaster break away from the coaster self-lock rod automatically, make coaster bear weight from locking and hanging hook.Coaster can drive weight and move to the wall direction according to mechanics principle this moment.When coaster collided plate washer on the described balance arm, the wedge of plate washer lower end will hold up the protruding key of described suspension hook self-locking device lower end automatically.Described suspension hook self-locking device is opened suspension hook automatically and is separated with the suspension hook self-locking device at this moment, and the weight on the suspension hook is transferred on the steel rope again, and rotate crank this moment again, weight can be put to the floor.
When needs are folding, can hold the balance suspension rod on the other hand, press the support self-locking device on the other hand downwards.This moment, main support rod moved downward under the effect of gravity, to the motion of wall direction, can reach folding purpose when driving slip pipe and parallel bar and moving downward.
The utility model project organization is simple, made full use of mechanics principle, derricking motion can be finished by reel, and the front and back of weight are parallel moves, and can be finished by coaster, promptly reached the function of large-scale crane, can fold again, volume is little, and considers that in design any transverse force does not appear in the character of building, thereby it is can not destroy the structure of any building, so reliable fully.The utility model can also adopt motor drive mechanism when lifting, thereby can reach labour-saving purpose more.

Claims (5)

1, a kind of civilian folding crane, it is characterized in that in its structure, comprising that one one end can be supported on the ground, the top has pulley, the middle part has reel and supports the main support rod that can stretch of self-locking device, one when supporting and described main support rod intersect vertically, one end can be fixed on the wall, and the other end is connected in the parallel bar on the slip pipe of main support rod; One parallel with described parallel bar, intersects vertically with described main support rod, and an end can be fixed on the wall, and there is a plate washer that is welded with wedge at the middle part, but the other end is welded with the balance arm of the pole of a coaster self-lock rod; The coaster that can on described balance crane wall, slide.
2, crane according to claim 1, it is characterized in that described main support rod can have pulley by the top, lower end and slip pipe are with bolted, and can drive the upper and lower mobile upper support bar of slip pipe, stand on the ground with one one end, the sleeve pipe on other end top can make the upper and lower slip of portion within it of described upper support bar, and end device has the lower support bar of a support self-locking device to constitute on described sleeve pipe.
3,, it is characterized in that also being provided with a reel that has crank between the sleeve pipe of described upper support bar lower end according to claim 1,2 described cranes.
4, crane according to claim 1, it is characterized in that described balance arm is to be fixed on the wall by one one end, the middle part has a bottom to have the equilibrium arm of the plate washer of wedge with bolt, be welded with a coaster self-lock rod with one one end bottom, the other end and described equilibrium arm are formed with the arm of bolt socket connection; Above described balance arm, there is a stay cord to strain two ends of described balance arm by the sheave shaft on described main support rod top.
5, crane according to claim 1 is characterized in that the basic structure of described coaster is: two moving shafts in front and back can drive to move to take turns and move along described balance arm; The plate washer of coaster is support with the moving shaft; It is support with described plate washer that its wheel shaft of pulley is arranged above the midway location of described two moving shafts; Be connected with an extension spring at the middle part of preceding moving shaft, the other end of described extension spring be connected one can drive coaster from locking and hanging hook along on the upper and lower mobile pull bar of the lifting groove on the plate washer; On the midway location of locking and hanging hook, be fixed with a suspension hook self-locking device in the prior art at described coaster; Two sides at described suspension hook self-locking device have a symmetrical protruding key.
CN 91206795 1991-04-27 1991-04-27 Civil collapsible crane Granted CN2102281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91206795 CN2102281U (en) 1991-04-27 1991-04-27 Civil collapsible crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91206795 CN2102281U (en) 1991-04-27 1991-04-27 Civil collapsible crane

Publications (1)

Publication Number Publication Date
CN2102281U true CN2102281U (en) 1992-04-22

Family

ID=4916379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91206795 Granted CN2102281U (en) 1991-04-27 1991-04-27 Civil collapsible crane

Country Status (1)

Country Link
CN (1) CN2102281U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110862024A (en) * 2019-11-22 2020-03-06 上海市建筑装饰工程集团有限公司 Construction method of device capable of realizing vertical transportation of materials
CN110862023A (en) * 2019-11-22 2020-03-06 上海市建筑装饰工程集团有限公司 Construction method of mechanical hoisting device
CN110872064A (en) * 2019-11-22 2020-03-10 上海市建筑装饰工程集团有限公司 Device capable of solving vertical transportation of materials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110862024A (en) * 2019-11-22 2020-03-06 上海市建筑装饰工程集团有限公司 Construction method of device capable of realizing vertical transportation of materials
CN110862023A (en) * 2019-11-22 2020-03-06 上海市建筑装饰工程集团有限公司 Construction method of mechanical hoisting device
CN110872064A (en) * 2019-11-22 2020-03-10 上海市建筑装饰工程集团有限公司 Device capable of solving vertical transportation of materials

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PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
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