CN104909260A - Heavy-duty spring lifting method and device - Google Patents
Heavy-duty spring lifting method and device Download PDFInfo
- Publication number
- CN104909260A CN104909260A CN201410353232.5A CN201410353232A CN104909260A CN 104909260 A CN104909260 A CN 104909260A CN 201410353232 A CN201410353232 A CN 201410353232A CN 104909260 A CN104909260 A CN 104909260A
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- China
- Prior art keywords
- spring
- tensioner
- claw
- heavy
- davit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/54—Internally-expanding grippers for handling hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a heavy-duty spring lifting method and device. The invention adopts a spring sling, the upper part of which can be connected to a cantilever crane and the lower part of which can stretch into the spring. The lower part of the spring sling is provided with tensioning claws, when the tensioning claws extend into the hollow internal part of the spring, they can expand outward to get the spring stuck, and in a lifting process, the tensioning claws are always in a tensioning state, so that the spring can be lifted by the cantilever crane so as to lift the heavy-duty spring. According to the invention, the cantilever crane can lift the heavy-duty spring directly through the spring sling, when the heavy-duty spring is lifted in place, the cantilever crane descends, the spring sling loosens automatically, and the heavy-duty spring can be taken out from the spring, thus greatly lowering the labor intensity. And compared with the means of direct lifting with a hook, the method is more convenient and efficient.
Description
Technical field
The present invention relates to handling method and the device of spring, be specifically related to handling method and the device of a kind of heavy-duty spring (weight reaches or surpasses the spring of 130kg).
Background technology
At present, when carrying the spring of some heavier-weight (the heaviest reaches about 130Kg), owing to requiring spring vertical display in the processes such as detection and packaging, cumbersome when being transported in detection platform and in packaging pallet, used to be by a dead lift, a few individual is tangled spring by hook etc. and then is lifted with shoulder, and labour intensity is very large.And if adopt cantilever crane, because spring center is hollow, it lacks firm sling point, if tangle spring limit by lanyard or hook, lifting process spring inclination overbalance can be caused again, even cause the accident in the easy slippage of handling process, and hang get process need colligation conciliate tie up, hang get convenient and swift all not.
Summary of the invention
The object of the invention is to, for solving the handling problem of heavy-duty spring, a kind of handling method and spring hoisting device thereof of heavy-duty spring are provided, greatly can reduce labour intensity during spring handling, and spring hang get convenient and swift.
For realizing object of the present invention, present invention employs such heavy-duty spring handling method, it mainly uses cantilever crane handling heavy-duty spring, this kind of heavy-duty spring weight reaches more than 130Kg, and equal keep-spring is erect in handling process, the present invention mainly adopts a kind of spring suspender, this spring suspender top can be hung by connecting cantilever, bottom can be stretched in spring, namely stretch into the hollow position of spring center, the bottom of this spring suspender is provided with tensioner claw, outwards tensioner spring can be blocked after tensioner claw stretches into the inside of spring hollow, and tensioner claw is in tensioner state all the time in handling process, so just can be sling this spring by cantilever crane, thus described heavy-duty spring of slinging.
According to method above, present invention employs so a kind of spring suspender, its upper end can be hung by connecting cantilever, the heavy-duty spring of more than 130kg is reached for handling weight, wherein, it comprises a hook hung for connecting cantilever, hook below connects a davit, davit is provided with a finger mountings that can slide up and down along this davit, on davit below finger mountings, cover has a retracing spring, davit lower end connects a tensioner dish, retracing spring on davit between finger mountings and tensioner dish, the compression of retracing spring or lax can the relative position of control card pawl support and tensioner dish, in finger mountings, suspention connects at least three tensioner claws, and tensioner dish outwards opens relative to the lower end that can promote tensioner claw during finger mountings upward movement.
Further, this device is also provided with pre-tensioner handle, and this pre-tensioner handle can upwards pull tensioner dish to make the relative finger mountings upward movement of davit, thus the lower end making tensioner dish promote tensioner claw is outwards opened.Why pre-tensioner handle is set, because spring is in handling process, because davit is suspended on below cantilever crane by hook, under the effect of hoisting force, drive tensioner dish to move up three tensioner claws are opened thus clamping workpiece, because tensioner dish in handling process is in the process upwards carried all the time, therefore tensioner claw is also be in all the time to open gripping orientation.But before ought also not lifting by crane, suspender is put into spring, because davit is also not stressed, tensioner claw first cannot block spring, the position that cantilever crane lifting process tensioner claw may be caused to fail to block needs block, therefore, before cantilever crane lifting, first by pre-tensioner handle, tensioner claw is first opened and be stuck in the position needing to block, then lifted by crane by cantilever crane, just can ensure that the success of lifting by crane is with reliable.
Further, this device is also provided with radius stay, and this radius stay can prevent tensioner claw from rotating in the horizontal direction around davit.This radius stay lower end is fixed on tensioner dish, and upper end is welded or is connected in finger mountings by nut, staggers in the position of its position and tensioner claw.
Further, the curved outside tilting in outside of tensioner claw, tensioner claw is generally squashed structure, is preferably metal and makes, need having the pressure that enough intensity enables to bear heavy-duty spring, being provided with the claw hoof for blocking workpiece in its lower end.Claw hoof is horse-hof shape, its outer cladding rubber, has a bank to can be used for blocking heavy-duty spring between itself and tensioner claw.In addition, being provided with in the outside of tensioner claw can increasing friction force protect the rubber layer of workpiece.
Further, pre-tensioner handle connects a handle arms, and this handle arms connects a connecting rod mechanism, and this connecting rod mechanism connects tensioner dish and upwards pulls tensioner dish by lever principle.Connecting rod mechanism comprise a connecting rod and one win in succession, the connecting joint of connecting rod mechanism are provided with node nut.Before lifting, pressing handle drives connecting rod mechanism to pull tensioner dish, realizes the pre-tensioner of tensioner claw, thus before lifting, first blocks the spring treating handling.
Further, finger mountings is provided with outwardly directed erect plate, tensioner claw is connected to the side of the erect plate of finger mountings by coupling nut and pin, tensioner claw can rotate by the pin around coupling nut place, like this when the relative finger mountings of tensioner dish upwards time, the lower end of tensioner claw is lifted, and tensioner claw rotates around coupling nut, thus realizes outwards opening.
Main technical content of the present invention devises spring suspender, heavy-duty spring is directly lifted by crane by spring suspender by available cantilever crane, the handling back boom that puts in place hangs decline, spring suspender unclamps automatically, just can take out in spring, greatly reduce labour intensity, and with more convenient with the Method compare linking up with direct handling.
accompanying drawing explanation
Fig. 1 is spring hanger structure schematic diagram of the present invention;
Fig. 2 is spring suspender using method schematic diagram.
Description of reference numerals: 1-links up with, 2-tensioner dish, 3-tensioner claw, 4-rubber layer, 5-claw hoof, 6-radius stay, the pre-tensioner handle of 7-, 8-handle arms, 9-finger mountings, 10-coupling nut, 11-retracing spring, 12-davit, 13-heavy-duty spring, 14-wins in succession, 15-connecting rod, 16-node nut.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
First see Fig. 1, Fig. 1 illustrates the integral structure schematic diagram of this spring suspender of the present invention, as we can see from the figure, first spring suspender of the present invention is provided with a hook 1, hook 1 is for hanging over cantilever crane, the below of hook 1 is a davit 12, tensioner dish 2 is connected bottom davit 12, davit 12 is provided with a finger mountings 9, this finger mountings 9 can be slided along davit 12, on davit 12 between finger mountings 9 and tensioner dish 2, cover has retracing spring 11, finger mountings 9 is provided with three pieces of outwardly directed erect plates, three pieces of erect plates are uniformly distributed around the circumferential of davit 12, tensioner claw 3 is connected to the side of vertical plate by coupling nut 10, tensioner claw 3 can rotate by the pin around coupling nut 10 place.
It is also provided with pre-tensioner handle 7, this pre-tensioner handle 7 is provided with handle arms 8, sees Fig. 2, and handle arms 8 connects a connecting rod mechanism, comprise the node nut 16 of connecting rod 15 and win in succession 14 and each node, connecting rod mechanism can realize the pre-tensioner of tensioner claw 3 by lever principle.
In addition, as depicted in figs. 1 and 2, tensioner claw 3 has three, and its lower end is provided with the claw hoof 5 of horse-hof shape, is provided with Yi little Kan between the main body of claw hoof 5 and tensioner claw 3, can be used for blocking workpiece to be hung.Further, be coated with rubber layer 4 in the outside of claw hoof 5 and tensioner claw 3, protect workpiece to be hung for increasing friction force.
As a kind of preferred version, tensioner dish 2 is provided with radius stay 6, radius stay 6 can prevent tensioner claw 3 from swinging around davit 12, plays position-limiting action.
See Fig. 2, during the invention process, such: first the heavy-duty spring 13 of band lifting is vertically placed, spring suspender of the present invention is put into it from the center of heavy-duty spring 13, stir pre-tensioner handle 7 and make the pre-tensioner of tensioner claw 3, then hook 1 connecting cantilever is made to hang, spring suspender of the present invention is promoted with cantilever crane, be connected with tensioner dish (6) owing to linking up with 1, under the effect of hoisting force, drive tensioner dish 6 to move up relative to finger mountings 9 three tensioner claws 3 are opened thus clamps heavy-duty spring 13 from inside; Can unclamp the handle 7 that rises in advance after heavy-duty spring 13 leaves ground, under the effect of hoisting force, heavy-duty spring 13 is in by the state of tensioner always, can not come off.After handling to destination, cantilever crane declines, and due to not by hoisting force effect, under the effect of retracing spring 11 and gravity, tensioner dish 2 moves down, and three tensioner claws 3 unclamp and depart from heavy-duty spring 13, can take out.
Certainly, more than just embody rule example of the present invention, the technical scheme that the present invention also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within protection domain of the presently claimed invention.
Claims (9)
1. a heavy-duty spring handling method, comprise the method using cantilever crane handling heavy-duty spring, described heavy-duty spring weight reaches more than 130Kg, it is characterized in that: it adopts a kind of spring suspender, this spring suspender top can be hung by connecting cantilever, bottom can be stretched in spring, the bottom of this spring suspender is provided with tensioner claw, outwards tensioner spring can be blocked after tensioner claw stretches into the inside of spring hollow, and tensioner claw is in tensioner state all the time in handling process, so just can be sling this spring by cantilever crane, thus described heavy-duty spring of slinging.
2. a spring suspender, its upper end can be hung by connecting cantilever, the heavy-duty spring (13) of more than 130kg is reached for handling weight, it is characterized in that: it comprises a hook hung for connecting cantilever (1), hook (1) below connects a davit (12), davit (12) is provided with a finger mountings (9) that can slide up and down along this davit (12), the upper cover of davit (12) of finger mountings (9) below has a retracing spring (11), and davit (12) lower end connects a tensioner dish (2); The upper suspention of finger mountings (9) connects at least three tensioner claws (3), and the lower end that can promote described tensioner claw (3) during described tensioner dish (2) upward movement is outwards opened.
3. spring suspender according to claim 2, it is characterized in that: it is also provided with pre-tensioner handle (7), this pre-tensioner handle (7) can upwards pull tensioner dish (2) to make davit (12) finger mountings (9) upward movement relatively, thus the lower end making tensioner dish (2) promote tensioner claw (3) is outwards opened.
4. spring suspender according to claim 2, is characterized in that: it is also provided with radius stay (6), and this radius stay (6) can prevent tensioner claw (3) from rotating in the horizontal direction around davit (12).
5. spring suspender according to claim 2, is characterized in that: the curved outside tilting in outside of described tensioner claw (3), is provided with the claw hoof (5) for blocking workpiece in its lower end.
6. spring suspender according to claim 5, is characterized in that: being provided with in the outside of described tensioner claw (3) can increasing friction force protect the rubber layer (4) of workpiece.
7. spring suspender according to claim 3, it is characterized in that: described pre-tensioner handle (7) connects a handle arms (8), this handle arms (8) connects a connecting rod mechanism, and this connecting rod mechanism connects tensioner dish (2) and upwards pulls tensioner dish (2) by lever principle.
8. spring suspender according to claim 7, is characterized in that: described connecting rod mechanism comprises a connecting rod (15) and one win in succession (14), and the connecting joint of connecting rod mechanism are provided with node nut (16).
9. spring suspender according to claim 2, it is characterized in that: described finger mountings (9) is provided with outwardly directed erect plate, described tensioner claw (3) is connected to the side of the erect plate of finger mountings (9) by coupling nut (10) and pin, described tensioner claw (3) can rotate by the pin around described coupling nut (10) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353232.5A CN104909260A (en) | 2014-07-24 | 2014-07-24 | Heavy-duty spring lifting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353232.5A CN104909260A (en) | 2014-07-24 | 2014-07-24 | Heavy-duty spring lifting method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104909260A true CN104909260A (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353232.5A Pending CN104909260A (en) | 2014-07-24 | 2014-07-24 | Heavy-duty spring lifting method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104909260A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865404A (en) * | 2017-02-27 | 2017-06-20 | 成都佰思汇信科技有限责任公司 | A kind of construction clamp |
| CN113636443A (en) * | 2021-08-11 | 2021-11-12 | 台州学院 | Lifting appliance and lifting and unloading unit thereof |
| CN113860155A (en) * | 2021-10-21 | 2021-12-31 | 中车长春轨道客车股份有限公司 | Hoisting device with snow-proof cover steel spring for high-speed motor train unit bogie |
| CN115340003A (en) * | 2022-10-19 | 2022-11-15 | 邯郸市兆运电力紧固件制造有限公司 | Steel bar coil hoisting and transporting device for spherical annealing furnace |
-
2014
- 2014-07-24 CN CN201410353232.5A patent/CN104909260A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865404A (en) * | 2017-02-27 | 2017-06-20 | 成都佰思汇信科技有限责任公司 | A kind of construction clamp |
| CN113636443A (en) * | 2021-08-11 | 2021-11-12 | 台州学院 | Lifting appliance and lifting and unloading unit thereof |
| CN113860155A (en) * | 2021-10-21 | 2021-12-31 | 中车长春轨道客车股份有限公司 | Hoisting device with snow-proof cover steel spring for high-speed motor train unit bogie |
| CN115340003A (en) * | 2022-10-19 | 2022-11-15 | 邯郸市兆运电力紧固件制造有限公司 | Steel bar coil hoisting and transporting device for spherical annealing furnace |
| CN115340003B (en) * | 2022-10-19 | 2023-01-10 | 邯郸市兆运电力紧固件制造有限公司 | Steel bar coil hoisting and transporting device for spherical annealing furnace |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150916 |