CN109650253A - A kind of crane backstop device - Google Patents
A kind of crane backstop device Download PDFInfo
- Publication number
- CN109650253A CN109650253A CN201910022176.XA CN201910022176A CN109650253A CN 109650253 A CN109650253 A CN 109650253A CN 201910022176 A CN201910022176 A CN 201910022176A CN 109650253 A CN109650253 A CN 109650253A
- Authority
- CN
- China
- Prior art keywords
- baffle
- pressing plate
- lifting wheel
- crane
- track
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/16—Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops
Abstract
The present invention provides a kind of crane backstop devices, and including the pressing plate for being set to crane runway end and the baffle for being set to pressing plate end, described pressing plate one end is hingeably secured on track, and the other end is formed slopely the inclined-plane towards lifting wheel relative to track；There is bradyseism structure between pressing plate and track；Baffle and lifting wheel are placed in pressing plate two sides；Lifting wheel can move on pressing plate along crane runway, and baffle can prevent lifting wheel from continuing to move.The advantages of crane backstop device provided by the invention, is: when crane is pressed on pressing plate, its kinetic energy is converted into elastic potential energy and gravitional force, play good deceleration buffer effect, and it can effectively prevent crane unstability because caused by increasing center of gravity to collapse, while when pressing plate cannot carry out deceleration buffer completely, the further movement of lifting wheel can be prevented by baffle, guarantee the effect of realization stop, structure is simple, securely and reliably, has good promotion prospect.
Description
Technical field
The present invention relates to crane brake technical field more particularly to a kind of crane backstop devices.
Background technique
Crane is the important equipment in industrial production, have the characteristics that volume it is big, from great, the speed of service is high, making
There is some potential safety problems, the prior art mainly uses skate to brake, and skate setting has direction in orbit when dynamic stopping
The sloping baffle of lifting wheel, lifting wheel, which moves on skate, encounters baffle meeting stop motion, thus by the rolling of lifting wheel
Dynamic to be changed to sliding of the skate along track, increasing kinetic friction force brakes lifting wheel；If when work crane wheel speed compared with
Greatly, it is possible to move on baffle, lifting wheel center of gravity made to be lifted away from track, at this time lifting wheel have topple over can
Can, therefore there is the danger collapsed using skate braking, it threatens to the person and property safety at scene.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of backstop device that can prevent lifting wheel unstability.
The present invention is to solve above-mentioned technical problem by the following technical programs:
A kind of crane backstop device, including the pressing plate for being set to crane runway end and the gear for being set to pressing plate end
Plate, described pressing plate one end are hingeably secured on track, and the other end is formed slopely the inclined-plane towards lifting wheel relative to track；Pressure
There is bradyseism structure between plate and track；Baffle and lifting wheel are placed in pressing plate two sides；Lifting wheel can be along crane rail
Road moves on pressing plate, and baffle can prevent lifting wheel from continuing to move.
Preferably, the pressing plate is equipped with non-skid band, consumes lifting wheel when climbing and non-skid band being overcome to rub dynamic
Energy.
Preferably, the position that the baffle is contacted with lifting wheel is additionally provided with cushion.
Preferably, it is seen along the direction perpendicular to plane locating for lifting wheel and track, the baffle is arc panel.
Preferably, the baffle is fixedly installed on outside of the pressing plate beveled end far from lifting wheel.
Preferably, the bradyseism structure includes the spring being fixed between pressing plate and track.
Preferably, it is fixedly connected at least adjacent to the spring of baffle side with the curved end of baffle on the pressing plate, baffle
Arc area on the outside of be hingedly connected with a support rod, the support rod other end is hingedly connected with a sliding block, and the sliding block is in track
On along lifting wheel direction of motion activity be arranged, the baffle can lifting wheel movement where plane in following two
Move between state: state A, pressing plate is naturally fixed, and spring is substantially at nature, and sliding block is far from baffle, the arc apical grafting of baffle
Nearly track；State B, pressing plate are pushed by lifting wheel, and spring provides resilient support to baffle end, and the arc top of baffle is substantially at
On the motion profile of lifting wheel.
Preferably, a stopper is additionally provided on track, when baffle is in state B, stopper can prevent sliding block to remote
Direction movement from lifting wheel.
Preferably, the stopper is movably set on track along the vertical direction, when baffle is in state B, at stopper
It abuts in side of the sliding block far from baffle and with sliding block.
Preferably, the stopper is made of ferromagnetic material, is provided with a polished rod below, and polished rod passes freely through an electromagnetism
Iron, is arranged with a driving spring being limited between stopper and electromagnet on polished rod, driving spring in the raw when,
Stopper protrudes from raceway surface；When electromagnet is powered, can provide for stopper shrinks it under raceway surface
Attraction.
Preferably, the stopper is the inclined-plane of nature transition backwards to the one side of baffle, and the one side towards baffle is ladder
Shape structure.
The advantages of crane backstop device provided by the invention is: crane passes through spring, pressure when moving on pressing plate
Plate anti-skid structure, cushion, laminate material and angle control etc. make lifting maneuver energy be converted into elastic potential energy, gravitional force and interior
Can, good deceleration buffer effect is played, and can effectively prevent crane unstability because caused by increasing center of gravity and collapse, simultaneously
When pressing plate cannot carry out deceleration buffer completely, the further movement of lifting wheel can be prevented by baffle, and consumption can be passed through
Energy sliding block and electromagnet stopper prevent crane persistent movement, it is ensured that it can be realized the effect of stop, structure is simple, safety
Reliably, there is good promotion prospect.
Detailed description of the invention
Fig. 1 is the schematic diagram for the crane backstop device that the embodiment of the present invention provides；
Fig. 2 is the baffle supine position schematic diagram for the crane backstop device that the embodiment of the present invention provides；
Fig. 3 is the baffle erected state schematic diagram for the crane backstop device that the embodiment of the present invention provides；
Fig. 4 is the schematic diagram of the stopper for the crane backstop device that the embodiment of the present invention provides.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of crane backstop device, including being set to the pressing plate 1 of 3 end of crane runway and being set to
The baffle 2 of 1 end of pressing plate, described 1 one end of pressing plate are hingeably secured on track 3, and the other end is formed slopely direction relative to track 3
The inclined-plane of lifting wheel 4 has bradyseism structure 11 between pressing plate 1 and track 3；Baffle 2 and lifting wheel 4 are placed in 1 liang of pressing plate
Side；Lifting wheel 4 can move on pressing plate 1 along track 3, under the action of lifting wheel 4, the beveled end of pressing plate 1 relative to
Hinged end moves downward compressing bradyseism structure 11, and it is part gravitational potential that lifting wheel 4, which is moved along inclined pressing plate 1 by power-conversion,
Can, it is largely converted into the elastic potential energy of bradyseism structure 11, to realize the purpose of buffer deceleration, but only relies on stopping for pressing plate 1
Shelves effect does not ensure that lifting wheel 4 stops completely, and baffle 2 can prevent lifting wheel 4 from continuing to move, to realize stop
Purpose.It is acted on pressing plate 1 by the elastic force of bradyseism structure 11 by the lifting wheel 4 of stop motion, keeps lifting wheel 4 main
The effect of power by vertical direction, horizontal direction do not stress, while lifting wheel 4 can be driven to return on track 3, have prevented
Heavy-duty machine wheel 4 is due to center of gravity lifts off track 3 the case where run-off the straight derailing, it is ensured that production safety；In order to further prevent
Heavy-duty machine wheel 4 derails, and can set of same size with track 3 for the pressing plate 1 and baffle 2.
Lifting wheel 4 is toppled in order to prevent, and it is excessively high to wish that lifting wheel 4 is lifted when in use, can be arranged on pressing plate 2
The non-skid band or non-slip texture vertical with 2 length of pressing plate, to consume the motion energy of lifting wheel 4.
It is seen along the direction perpendicular to plane locating for lifting wheel 4 and track 3, the baffle 2 is arc panel, the baffle
2 positions contacted with lifting wheel 4 are additionally provided with cushion 21, and cushion 21 is capable of the material system of deformation buffer by rubber etc.
At；Buffer structure 11 is preferably fixed to the spring 11 between pressing plate 1 and track 3.
The baffle 2 is fixedly installed on outside of 1 beveled end of pressing plate far from lifting wheel 4, and lifting wheel 4 moves to pressing plate
After on 2, the baffle 2 of fixed setting can be struck, to play the effect of stop；The baffle 2 is fixed on track 3.
With reference to Fig. 2, in preferred embodiment, the baffle 2 is movably set on track 3；Baffle 2 can be in lifting wheel 4
And move between following two state in plane locating for track 3: state A, pressing plate 1 is naturally fixed, and spring 11 is substantially at certainly
Right state, the nearly track 3 of the arc apical grafting of baffle 2, substantially corresponds to baffle 2 and lies on the back on the track 3；State B: pressing plate 1 is by crane
Wheel 4 pushes, compressed spring 11 to the end of baffle 2 provide resilient support its relative to track 3 erect, the arc of baffle 2
Top is substantially on the motion profile of lifting wheel 4.
The curved end of the baffle 2 is fixedly connected with the spring 11 on pressing plate 1, hinged on the outside of the arc area of baffle 2
It is connected with a support rod 22,22 other end of support rod, one sliding block 23 of articulated connection, the sliding block 23 can be on the track 3 along length
Direction is free to slide, and 2 one end of baffle passes through the elastic force pressure of spring 11 on the track 3, and being moved by sliding block 23 along track 3 can be real
The position adjustment of existing baffle 2.The sliding block 23 can be set as the structure cooperated with the section according to the cross-section structure of track 3,
Its specific structure is conventional arrangement for those of ordinary skills.
When lifting wheel 4 moves on pressing plate 1, spring 11 by compression to 2 end of baffle provide elastic force make its by
Supine position, which gradually erects, to be come, and sliding block 23 is along 3 free movement of track at this time, when lifting wheel 4 moves to 1 end of pressing plate, gear
Plate 2 can abut lifting wheel 4 to prevent it from continuing to move, but since the quality of lifting wheel 4 itself is larger, and
With certain speed, baffle 2 can drop to the ground under the shock of lifting wheel 4 and can not carry out effective stop.
In conjunction with Fig. 3 and Fig. 4, baffle 2 is knocked down by lifting wheel 4 in order to prevent, and a stopper 5, rail are additionally provided on track 3
With one, perforative through-hole (not shown), stopper 5 are freely fixed in the through-hole along the vertical direction along the vertical direction on road 3；
The stopper 5 is made of ferromagnetic material, is provided with a polished rod 51 below, and polished rod 51 passes freely through an electromagnet 52, polished rod
A driving spring (not shown) being limited between stopper 5 and electromagnet 52 is arranged on 51, driving spring is in nature
When state, stopper 5 is protruded from 3 surface of track, electromagnet 52 be powered when, can for stopper 5 provide make its shrink in
Attraction under 3 surface of track.When baffle 2 is in state B, the circuit of electromagnet 52 is disconnected, and stopper 5 is fixed on sliding block 23
It is rushed open so that sliding block 23 be prevented to move to prevent baffle plate 2 side far from lifting wheel 4.
The circuit of electromagnet 52 is disconnected after sliding block 23 can be allowed to move across the through-hole on track 3 in use again, but is risen
When heavy-duty machine wheel 4 bumps against baffle 2, stopper 5, which may not have enough time also rising, stops sliding block 23.In preferred embodiment, the blocking
Block 5 is the inclined-plane of nature transition backwards to the one side of baffle 2, and the one side towards baffle 2 is the vertical plane cooperated with sliding block 23, is being risen
Heavy-duty machine wheel 4 is moved on pressing plate 1 or before this, is just disconnected the circuit of electromagnet 52, and stopper 5 rises, and pressing plate 1 is pressed
After lower, baffle 2 erects under the action of spring 2 to be come, and sliding block 23 moves along track 3 and pushes stopper 5, and the movement of sliding block 23 is got over
It crosses after the highest point of stopper 5, stopper 5 rises automatically, and sliding block 23 is prevented to move backwards to lifting wheel 4；In lifting wheel 4
After leaving pressing plate, electromagnet 52 is powered, and stopper 5 drops under track 3, and sliding block 23 is moved along track 3 makes baffle 2 lie on the back
On the track 3.
Further, the stopper 5 can be set to ladder-like on one side towards baffle 2, hit in this way in lifting wheel 4
When hitting baffle 2, the distance for moving very little to the direction far from lifting wheel 4 of sliding block 23 can be abutted with stopper 5, be made
Baffle 2 is more stable, and stop effect is more preferable.
Further, for prevent crane because wheel is raised be likely to occur topple over problem, using following two measure
Carry out risk control: 1. when state A, the pressing plate 1 controls in 30 ° with the acute angle theta that track 3 is formed, and pressing plate 1 is using friction system
The number higher material of f is made, and makes tan θ≤f, and formation class inclined-plane is self-locking, raises height to limit lifting wheel 4, prevents center of gravity mistake
Height causes unstability；2. the spring that the spring 11 selects rigidity big, even if the tilt angle of pressing plate 1 is little, lifting wheel 4 is being climbed
A large amount of kinetic energy can also be consumed during slope, the climbing height of lifting wheel 4 is reduced with this, to reduce lifting wheel 4 because of lifting
The excessively high unstability being likely to occur.
The circuit of the electromagnet 52 can also be arranged by manually controlling using laser signal in the prior art
To automatically control according to the movement of lifting wheel 4, pressing plate 1, baffle 2, linkage contact can also be set on pressing plate 1 or baffle 2
Circuit connects or disconnects automatically when causing it to move to a certain position, this is all the base in claims of the present invention disclosure
Specific choice on plinth does not need to make the creative labor to those skilled in the art, and details are not described herein again.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, not
It is any modification that those of ordinary skill in the art make the present invention, equivalent under the premise of being detached from the spirit and principles in the present invention
Replacement, improvement etc., should all fall within the protection scope that claims of the present invention determines.
Claims (10)
1. a kind of crane backstop device, it is characterised in that: including being set to the pressing plate of crane runway end and being set to pressure
The baffle of plate end, described pressing plate one end are hingeably secured on track, and the other end is formed slopely relative to track towards crane
The inclined-plane of wheel；There is bradyseism structure between pressing plate and track；Baffle and lifting wheel are placed in pressing plate two sides；Lifting wheel can
It is moved on pressing plate along crane runway, baffle can prevent lifting wheel from continuing to move.
2. a kind of crane backstop device according to claim 1, it is characterised in that: the baffle is contacted with lifting wheel
Position be additionally provided with cushion.
3. a kind of crane backstop device according to claim 2, it is characterised in that: along perpendicular to lifting wheel and track
The direction of locating plane sees that the baffle is arc panel.
4. a kind of crane backstop device according to claim 1-3, it is characterised in that: the baffle fixation is set
It is placed in outside of the pressing plate beveled end far from lifting wheel.
5. a kind of crane backstop device according to claim 3, it is characterised in that: the bradyseism structure includes being fixed on
Spring between pressing plate and track.
6. a kind of crane backstop device according to claim 5, it is characterised in that: at least adjacent to baffle on the pressing plate
The spring of side is fixedly connected with the curved end of baffle, is hingedly connected with a support rod on the outside of the arc area of baffle, is supported
The bar other end is hingedly connected with a sliding block, and the sliding block is arranged along lifting wheel direction of motion activity in orbit, the baffle
Can move between following two state in the plane where the movement of lifting wheel: state A, pressing plate is naturally fixed, spring base
Originally in the raw, sliding block is far from baffle, the nearly track of arc apical grafting of baffle；State B, pressing plate are pushed by lifting wheel, spring
Resilient support is provided to baffle end, the arc top of baffle is substantially on the motion profile of lifting wheel.
7. a kind of crane backstop device according to claim 6, it is characterised in that: be additionally provided with a blocking on track
Block, when baffle is in state B, stopper can prevent sliding block from moving to the direction far from lifting wheel.
8. a kind of crane backstop device according to claim 7, it is characterised in that: the stopper is lived along the vertical direction
Dynamic to be set on track, when baffle is in state B, stopper is in side of the sliding block far from baffle and abuts with sliding block.
9. a kind of crane backstop device according to claim 8, it is characterised in that: the stopper is by ferromagnetic material system
At being provided with a polished rod below, polished rod passes freely through an electromagnet, is arranged with one on polished rod and is limited in stopper and electromagnetism
Driving spring between iron, driving spring in the raw when, stopper protrudes from raceway surface；Electromagnet is powered
When, the attraction for shrinking it under raceway surface can be provided for stopper.
10. a kind of crane backstop device according to claim 9, it is characterised in that: the stopper is backwards to baffle
It is on one side the inclined-plane of nature transition, the one side towards baffle is step structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022176.XA CN109650253B (en) | 2019-01-10 | 2019-01-10 | Crane stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022176.XA CN109650253B (en) | 2019-01-10 | 2019-01-10 | Crane stop device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109650253A true CN109650253A (en) | 2019-04-19 |
| CN109650253B CN109650253B (en) | 2020-08-11 |
Family
ID=66119686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910022176.XA Active CN109650253B (en) | 2019-01-10 | 2019-01-10 | Crane stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109650253B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830670A (en) * | 2020-06-08 | 2021-12-24 | 中冶宝钢技术服务有限公司 | Rail clamping device for crane |
| US20220024728A1 (en) * | 2020-07-23 | 2022-01-27 | Southeast University | Buffer stop used for end of crane rails |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797319Y (en) * | 2005-04-22 | 2006-07-19 | 展文杰 | Automatic stop device of bridge crane |
| CN201825651U (en) * | 2010-10-18 | 2011-05-11 | 武汉钢铁(集团)公司 | Novel bridge type crane runway clip |
| CN204778390U (en) * | 2015-07-10 | 2015-11-18 | 德马科起重机械有限公司 | Hoist sports car anticollision buffer structure |
| CN204847854U (en) * | 2015-07-03 | 2015-12-09 | 河南重工起重机集团有限公司 | Hoist collision prevents device |
| KR20160027643A (en) * | 2014-09-02 | 2016-03-10 | 주식회사 포스코 | Apparatus for blocking tripper of bin of furnace |
-
2019
- 2019-01-10 CN CN201910022176.XA patent/CN109650253B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797319Y (en) * | 2005-04-22 | 2006-07-19 | 展文杰 | Automatic stop device of bridge crane |
| CN201825651U (en) * | 2010-10-18 | 2011-05-11 | 武汉钢铁(集团)公司 | Novel bridge type crane runway clip |
| KR20160027643A (en) * | 2014-09-02 | 2016-03-10 | 주식회사 포스코 | Apparatus for blocking tripper of bin of furnace |
| CN204847854U (en) * | 2015-07-03 | 2015-12-09 | 河南重工起重机集团有限公司 | Hoist collision prevents device |
| CN204778390U (en) * | 2015-07-10 | 2015-11-18 | 德马科起重机械有限公司 | Hoist sports car anticollision buffer structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830670A (en) * | 2020-06-08 | 2021-12-24 | 中冶宝钢技术服务有限公司 | Rail clamping device for crane |
| US20220024728A1 (en) * | 2020-07-23 | 2022-01-27 | Southeast University | Buffer stop used for end of crane rails |
| US11649141B2 (en) * | 2020-07-23 | 2023-05-16 | Southeast University | Buffer stop used for end of crane rails |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109650253B (en) | 2020-08-11 |
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