CN208308299U - A kind of crane distance caging device - Google Patents
A kind of crane distance caging device Download PDFInfo
- Publication number
- CN208308299U CN208308299U CN201820832251.XU CN201820832251U CN208308299U CN 208308299 U CN208308299 U CN 208308299U CN 201820832251 U CN201820832251 U CN 201820832251U CN 208308299 U CN208308299 U CN 208308299U
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- China
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- threaded rod
- fixed
- plate
- support base
- worm screw
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Abstract
The utility model relates to a kind of crane distance caging device, it includes pedestal, the upper surface of the pedestal is provided with support base A, spool is provided on the support base A, reel is fixed on the spool, the right end of the spool is fixedly connected with worm screw, on the support base B for being set on the base surface of the both ends rotation of the worm screw, the right end of the worm screw is connected with absolute value encoder, engagement is connected with worm gear on the worm screw, the worm gear is fixed on threaded rod, on the support base C for being set on the base surface of the both ends rotation of the threaded rod, movable plate has been connected through a screw thread on the threaded rod, the described movable plate sliding be connected to on worm screw axially parallel guide rod, the right end of the guide rod is fixed on support base C, the two of the threaded rod upper shifting board Side is respectively arranged with fixed plate A and fixed plate B；The utility model structure is simple, safe and reliable and to wire rope nondestructive.
Description
Technical field
The utility model belongs to crane technical field, and in particular to a kind of limiting device, in particular to a kind of crane
Use distance caging device.
Background technique
Crane is during lifting weight, it sometimes appear that lifting part needs lifting altitude to be higher than hoisting mechanism
Height the case where, due to staff do not pay attention to may result in lifting weight and hoisting mechanism bumps against, and on the reel
Wirerope when using up, if controlled not in time, bridge motor can be damaged, if the fastening force on wirerope top is inadequate
Greatly, at this moment weight can directly fall, and there are security risks, or even will appear safety accident, so needing on hoist roller
The distance caging device of wirerope is set, and the existing limit to the upper and lower stroke of wirerope on reel is to pass through difference respectively
Device come what is realized, structure is complicated, and the relative motion between wirerope and limiting device can cause to wear to wirerope,
Using dangerous；Therefore it provides a kind of simple and reasonable, safe and reliable, to wire rope nondestructive crane row
Journey limiting device is very important.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of simple and reasonable, use
Securely and reliably, to the crane distance caging device of wire rope nondestructive.
Purpose of the utility model is realized as follows: a kind of crane distance caging device, it includes pedestal, described
The upper surface of pedestal be provided with support base A, spool is provided on the support base A, is fixed with reel on the spool,
The right end of the spool is fixedly connected with worm screw, the support base for being set on the base surface of the both ends rotation of the worm screw
On B, the right end of the worm screw is connected with absolute value encoder, and engagement is connected with worm gear, the worm gear on the worm screw
It is fixed on threaded rod, on the support base C for being set on the base surface of the both ends rotation of the threaded rod, the screw thread
Be connected through a screw thread movable plate on bar, the movable plate sliding be connected to on worm screw axially parallel guide rod, institute
The right end for the guide rod stated is fixed on support base C, the two sides of the threaded rod upper shifting board be respectively arranged with fixed plate A and
Fixed plate B.
The movable plate be provided centrally with the axial parallel guide groove of threaded rod, slide in the guide groove
It is provided with guide plate A and guide plate B, is provided with buffer spring in the guide groove between guide plate A and guide plate B, it is described
Guide plate A and guide plate B on away from the side of buffer spring be respectively fixed with buffer bar A and buffer bar B.
Position corresponding with buffer bar A and buffer bar B is set respectively on the inner surface of the fixed plate A and fixed plate
It is equipped with travel switch.
The fixed plate A and fixed plate B is fixedly connected with guide rod respectively, the fixed plate A and fixed plate B difference
Connection is rotated between threaded rod.
The absolute value encoder is connected with frequency converter.
The utility model has the beneficial effects that the spool in the utility model is fixedly connected by shaft coupling with worm screw, so that
Worm screw rotates synchronously with spool, the circle number that the absolute value encoder of worm screw right end connection can be rotated with accurate recording spool, and energy
The operating rate for enough controlling reel motor will control reel decelerating through motor and go slowly when position is excessively high or too low,
During weight is gone up and down, spool drives threaded rod synchronous rotary by Worm Wheel System, in the rotating mistake of threaded rod
The axial direction of the movable plate being connected through a screw thread on threaded rod with threaded rod in journey threadingly bar moves left and right, when leading on reel
The suspension hook of wirerope connection is crossed when rising to highest point or minimum point, movable plate is moved to fixed plate A or fixation accordingly respectively
At plate B, threaded rod can not continue to rotate at this time, so that spool and reel stop rotating；Movable plate in the utility model
Be provided centrally with the axial parallel guide groove of threaded rod, that slides in guide groove is provided with guide plate A and guide plate B, leads
Buffer spring is provided between guide plate A and guide plate B into slot, deviates from buffer spring on the guide plate A and guide plate B
Side be respectively fixed with buffer bar A and buffer bar B, in this way can be when movable plate be in contact with fixed plate A or fixed plate B from
To certain buffer function；Position corresponding with buffer bar A and buffer bar B point on fixed plate A and the inner surface of fixed plate
It is not provided with travel switch, buffer bar A or buffer bar B, which encounter travel switch, can make reel motor stop working；Fixed plate A
It is fixedly connected respectively with guide rod with fixed plate B, it is ensured that guide rod stability；The frequency converter of absolute value encoder connection can
To control the operating rate of reel motor, when position is excessively high or too low, reel decelerating through motor will be controlled and gone slowly；This
Threaded rod is connected by worm and gear with spool in utility model, can greatly reduce the length dimension of threaded rod；Total, this reality
With it is novel have the advantages that it is simple and reasonable, safe and reliable, to wire rope nondestructive.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of crane distance caging device of the utility model.
Fig. 2 is a kind of right side structural representation of crane distance caging device of the utility model.
Fig. 3 is a kind of partial structural diagram of crane distance caging device of the utility model.
In figure: 1, pedestal 2, reel 3, spool 4, support base A 5, support base C 6, worm screw 7, absolute value encoder
8, worm gear 9, threaded rod 10, support base B 11, guide rod 12, travel switch 13, fixed plate A 14, buffer bar A 15, shifting
Movable plate 16, buffer bar B 17, fixed plate B 18, guide plate A 19, buffer spring 20, guide groove 21, guide plate B.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of crane distance caging device, it includes pedestal 1, the pedestal 1
Upper surface is provided with support base A4, and spool 3 is provided on the support base A4, reel 2, institute are fixed on the spool 3
The right end for the spool 3 stated is fixedly connected with worm screw 6, the support that 1 upper surface of pedestal is arranged in of the both ends rotation of the worm screw 6
On seat B10, the right end of the worm screw 6 is connected with absolute value encoder 7, and engagement is connected with worm gear 8, institute on the worm screw 6
The worm gear 8 stated is fixed on threaded rod 9, the support base C5 that 1 upper surface of pedestal is arranged in of the both ends rotation of the threaded rod 9
On, movable plate 15 is connected through a screw thread on the threaded rod 9, what the movable plate 15 slided is connected to and 6 axis of worm screw
To on parallel guide rod 11, the right end of the guide rod 11 is fixed on support base C5,9 upper shifting board of threaded rod
15 two sides are respectively arranged with fixed plate A13 and fixed plate B17.
Spool in the utility model is fixedly connected by shaft coupling with worm screw, so that worm screw rotates synchronously with spool, snail
The circle number that the absolute value encoder of bar right end connection can be rotated with accurate recording spool, and the work speed of reel motor can be controlled
Degree, when position is excessively high or too low, will control reel decelerating through motor and go slowly, during weight lifting, spool
Threaded rod synchronous rotary is driven by Worm Wheel System, it is logical with threaded rod on threaded rod during threaded rod is rotating
The axial direction for crossing the movable plate threadingly bar being threadedly coupled moves left and right, when being risen on reel by the suspension hook that wirerope connects
When to highest point or minimum point, movable plate is moved to accordingly respectively at fixed plate A or fixed plate B, and threaded rod can not be after at this time
Continuous rotation, so that spool and reel stop rotating；Threaded rod is connected by worm and gear with spool in the utility model, can
To greatly reduce the length dimension of threaded rod；It is total, the utility model have it is simple and reasonable, safe and reliable, to steel
The undamaged advantage of cord.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 3, a kind of crane distance caging device, it includes pedestal 1, the pedestal 1
Upper surface is provided with support base A4, and spool 3 is provided on the support base A4, reel 2, institute are fixed on the spool 3
The right end for the spool 3 stated is fixedly connected with worm screw 6, the support that 1 upper surface of pedestal is arranged in of the both ends rotation of the worm screw 6
On seat B10, the right end of the worm screw 6 is connected with absolute value encoder 7, and engagement is connected with worm gear 8, institute on the worm screw 6
The worm gear 8 stated is fixed on threaded rod 9, the support base C5 that 1 upper surface of pedestal is arranged in of the both ends rotation of the threaded rod 9
On, movable plate 15 is connected through a screw thread on the threaded rod 9, what the movable plate 15 slided is connected to and 6 axis of worm screw
To on parallel guide rod 11, the right end of the guide rod 11 is fixed on support base C5,9 upper shifting board of threaded rod
15 two sides are respectively arranged with fixed plate A13 and fixed plate B17；The movable plate 15 is provided centrally with and 9 axis of threaded rod
To parallel guide groove 20, that slides in the guide groove 20 is provided with guide plate A18 and guide plate B21, the guiding
Buffer spring 19 is provided in slot 20 between guide plate A18 and guide plate B21, is carried on the back on the guide plate A18 and guide plate B21
Side from buffer spring 19 is respectively fixed with buffer bar A14 and buffer bar B16；The fixed plate A13's and fixed plate B17
Position corresponding with buffer bar A14 and buffer bar B16 is respectively arranged with travel switch 12 on inner surface；The fixed plate
A13 and fixed plate B17 are fixedly connected with guide rod 11 respectively, the fixed plate A13 and fixed plate B17 respectively with threaded rod 9
Between rotate connection；The absolute value encoder 7 is connected with frequency converter.
Spool in the utility model is fixedly connected by shaft coupling with worm screw, so that worm screw rotates synchronously with spool, snail
The circle number that the absolute value encoder of bar right end connection can be rotated with accurate recording spool, and the work speed of reel motor can be controlled
Degree, when position is excessively high or too low, will control reel decelerating through motor and go slowly, during weight lifting, spool
Threaded rod synchronous rotary is driven by Worm Wheel System, it is logical with threaded rod on threaded rod during threaded rod is rotating
The axial direction for crossing the movable plate threadingly bar being threadedly coupled moves left and right, when being risen on reel by the suspension hook that wirerope connects
When to highest point or minimum point, movable plate is moved to accordingly respectively at fixed plate A or fixed plate B, and threaded rod can not be after at this time
Continuous rotation, so that spool and reel stop rotating；Movable plate is provided centrally with and threaded rod axial direction in the utility model
Parallel guide groove, that slides in guide groove is provided with guide plate A and guide plate B, guide plate A and guide plate B in guide groove
Between be provided with buffer spring, the side on the guide plate A and guide plate B away from buffer spring is respectively fixed with buffer bar
A and buffer bar B can play certain buffer function when movable plate is in contact with fixed plate A or fixed plate B in this way；It is fixed
Position corresponding with buffer bar A and buffer bar B is respectively arranged with travel switch on plate A and the inner surface of fixed plate, buffers
Bar A or buffer bar B, which encounters travel switch, can make reel motor stop working；Fixed plate A and fixed plate B respectively with guide rod
It is fixedly connected, it is ensured that guide rod stability；The frequency converter of absolute value encoder connection can control the work of reel motor
Speed will control reel decelerating through motor and go slowly when position is excessively high or too low；Threaded rod passes through in the utility model
Worm and gear is connected with spool, can greatly reduce the length dimension of threaded rod；Total, there is the utility model structure simply to close
The advantages of managing, be safe and reliable, to wire rope nondestructive.
Claims (5)
1. a kind of crane distance caging device, it includes pedestal, it is characterised in that: the upper surface of the pedestal is provided with
It is provided with spool on support base A, the support base A, reel is fixed on the spool, the right end of the spool is fixed
It is connected with worm screw, on the support base B for being set on the base surface of the both ends rotation of the worm screw, the right end of the worm screw
It is connected with absolute value encoder, engagement is connected with worm gear on the worm screw, and the worm gear is fixed on threaded rod, described
On the support base C for being set on the base surface of the both ends rotation of threaded rod, shifting has been connected through a screw thread on the threaded rod
Movable plate, the described movable plate sliding are connected to on worm screw axially parallel guide rod, and the right end of the guide rod is fixed
On support base C, the two sides of the threaded rod upper shifting board are respectively arranged with fixed plate A and fixed plate B.
2. a kind of crane distance caging device according to claim 1, it is characterised in that: in the movable plate
The heart be provided with the axial parallel guide groove of threaded rod, that slides in the guide groove is provided with guide plate A and guide plate B,
Buffer spring is provided in the guide groove between guide plate A and guide plate B, is deviated from the guide plate A and guide plate B
The side of buffer spring is respectively fixed with buffer bar A and buffer bar B.
3. a kind of crane distance caging device according to claim 2, it is characterised in that: the fixed plate A and
Position corresponding with buffer bar A and buffer bar B is respectively arranged with travel switch on the inner surface of fixed plate.
4. a kind of crane distance caging device according to claim 1, it is characterised in that: the fixed plate A and
Fixed plate B is fixedly connected with guide rod respectively, and the fixed plate A and fixed plate B rotate connection between threaded rod respectively.
5. a kind of crane distance caging device according to claim 1, it is characterised in that: the absolute encoder
Device is connected with frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820832251.XU CN208308299U (en) | 2018-05-31 | 2018-05-31 | A kind of crane distance caging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820832251.XU CN208308299U (en) | 2018-05-31 | 2018-05-31 | A kind of crane distance caging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208308299U true CN208308299U (en) | 2019-01-01 |
Family
ID=64708892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820832251.XU Expired - Fee Related CN208308299U (en) | 2018-05-31 | 2018-05-31 | A kind of crane distance caging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208308299U (en) |
-
2018
- 2018-05-31 CN CN201820832251.XU patent/CN208308299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20200531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |