CN209098114U - Elevator chain breaking falling-prevention device - Google Patents
Elevator chain breaking falling-prevention device Download PDFInfo
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- CN209098114U CN209098114U CN201821596192.7U CN201821596192U CN209098114U CN 209098114 U CN209098114 U CN 209098114U CN 201821596192 U CN201821596192 U CN 201821596192U CN 209098114 U CN209098114 U CN 209098114U
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- 206010057071 Rectal tenesmus Diseases 0.000 description 1
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Abstract
The utility model discloses a kind of elevator chain breaking falling-prevention devices, including support frame, vertical voussoir, fastening assembly and elastic component, the vertical voussoir is fixed on the pull rod and is located in support frame as described above, two lateral voussoirs with pin shaft are additionally provided in support frame as described above, two lateral voussoirs are located at the opposite sides of the vertical voussoir and the lateral voussoir between the pull rod and the vertical plate, and the inclined-plane of the transverse direction voussoir is parallel with the inclined-plane of the vertical voussoir.When the chain of elevator is broken suddenly, elevator chain breaking falling-prevention device can make a response rapidly, the pin shaft on lateral voussoir is forced to protrude into the aperture on vertical plate to prevent lifting platform from dropping using the weight of lifting platform, simultaneously, vertical voussoir and lateral voussoir are inconsistent self-locking to realize, effectively prevent leading to elevator falls because chain is broken suddenly, high reliablity, and this elevator chain breaking falling-prevention device is pure mechanic structure, mechanization degree is high, stability is good.
Description
Technical field
The utility model relates to lifting device more particularly to elevator chain breaking falling-prevention devices.
Background technique
The purpose of saving manpower, saving space can be reached equipped with elevator by having many mechanical equipments all, such as three-dimensional
Garage.For elevator in stereo garage after use after a period of time, chain is easy to appear the accumulation of fatigue stress, works as fatigue
Stress savings to it is sufficiently large when, chain can be broken；In addition, the chain of the elevator in stereo garage is broken by external force
It can be also broken after bad；Certainly, it there are also some other factors is also possible to that the chain of the elevator in stereo garage can be caused
Fracture.
Once there is the case where chain breakage in elevator in stereo garage, it will causes safety accident, causes personnel's wealth
Produce loss.Therefore, it is necessary to provide a kind of elevator chain breaking falling-prevention device.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of elevator chain breaking falling-prevention devices.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: elevator chain breaking falling-prevention device, packet
Column, pull rod, chain and lifting platform are included, the column includes two vertical plates being oppositely arranged, the connecting column of the lifting platform, institute
It states pull rod and the chain is respectively positioned between two vertical plates, the top of the pull rod is connected with the chain, further includes branch
Support, vertical voussoir, fastening assembly and elastic component, the connecting column are equipped with connecting plate, the one end of the pull rod far from chain
It sequentially passes through support frame as described above and the connecting plate is connected with the fastening assembly；One end of the elastic component supports the connection
Plate, the other end of the elastic component support the fastening assembly；The vertical voussoir is fixed on the pull rod and is located at described
Two lateral voussoirs are additionally provided in support frame, in support frame as described above, two lateral voussoirs are located at the vertical voussoir
Opposite sides and the lateral voussoir positioned at the pull rod and the vertical plate between, the inclined-plane of the transverse direction voussoir and described erect
Parallel to the inclined-plane of voussoir, the spacing between the top and the pull rod on the inclined-plane of the vertical voussoir is greater than the vertical wedge
Spacing between the bottom on the inclined-plane of block and the pull rod；The transverse direction voussoir is slidably set along the direction perpendicular to the vertical plate
It sets, support frame as described above is equipped with the via hole passed through for a part of lateral voussoir；The described one end of transverse direction voussoir far from its inclined-plane
Equipped with the pin shaft protruded outwardly, the vertical plate is equipped with multiple apertures matched with the pin shaft, and multiple apertures are along institute
The short transverse of column is stated in a column arrangement.
Further, the elastic component is the spring being set on the pull rod.
Further, the fastening assembly includes nut, and the pull rod is equipped with the threaded portion matched with the nut,
The elastic component supports on the nut far from one end of the connecting plate.
Further, the fastening assembly further includes locking pin, and the locking pin is mounted on the pull rod and is located at institute
State side of the nut far from the elastic component.
Further, support frame as described above includes left plate, right side plate, top plate and bottom plate, the both ends difference of the left plate
It is connected with the top plate and the bottom plate, the both ends of the right side plate are connected with the top plate and the bottom plate respectively, the drawing
Bar sequentially passes through the top plate and the bottom plate, is respectively equipped with the via hole on the left plate and the right side plate.
Further, front side board and back side panel are additionally provided on support frame as described above, on the front side board and/or the back side panel
Equipped with guide groove, the guide groove is along the glide direction setting of the lateral voussoir, and the transverse direction voussoir is equipped with guide post, institute
Guide post is stated to be located in the guide groove and along the movable setting of the guide groove.
Further, there is spacing between the lateral voussoir and the top plate, the transverse direction voussoir and the bottom plate it
Between have gap.
Further, the vertical voussoir is in reverse isosceles trapezoid.
Further, non-chain rupture state, unilateral distance 1-1.5mm, the connecting column between the pin shaft and the vertical plate
It is equipped with directive wheel, the distance between two end faces that two pin shafts on different lateral voussoirs are located remotely from each other are less than
The diameter of the directive wheel；During lifting of lifting table, under the guiding of directive wheel, the pin shaft will not accidentally touch described vertical always
Plate.
Further, the lateral voussoir is equipped with convex block compatible with the via hole far from the side on its inclined-plane, described
Pin shaft is set on the convex block.
Further, on same vertical plate, the spacing between the two neighboring aperture is equal.
It further, further include reset tension spring, one end of the reset tension spring is fixed on the lateral voussoir, described multiple
The other end of position tension spring is fixed on the vertical voussoir, the pull rod or support frame as described above.
The utility model has the beneficial effects that: when the chain of elevator is broken suddenly, elevator chain breaking falling-prevention device
It can make a response rapidly, force the pin shaft on lateral voussoir to protrude into the aperture on vertical plate to prevent using the weight of lifting platform
Lifting platform tenesmus, meanwhile, vertical voussoir and lateral voussoir are inconsistent self-locking to realize, effectively prevent due to chain is broken suddenly
Leading to elevator falls, high reliablity, and this elevator chain breaking falling-prevention device is pure mechanic structure, and mechanization degree is high, stablizes
Property is good.
Detailed description of the invention
Fig. 1 is the overall structure diagram (chain breakage of the elevator chain breaking falling-prevention device of the utility model embodiment one
Afterwards)；
Fig. 2 is the enlarged drawing of details A in Fig. 1；
Fig. 3 is the cross-sectional view of the elevator chain breaking falling-prevention device of the utility model embodiment one (before chain breakage)；
Fig. 4 is the cross-sectional view (chain breakage moment) of the elevator chain breaking falling-prevention device of the utility model embodiment one；
Fig. 5 is the cross-sectional view of the elevator chain breaking falling-prevention device of the utility model embodiment one (after chain breakage)；
Fig. 6 is that the structure of the pull rod and vertical voussoir in the elevator chain breaking falling-prevention device of the utility model embodiment one is shown
It is intended to；
Fig. 7 is the structural schematic diagram of the support frame in the elevator chain breaking falling-prevention device of the utility model embodiment one；
Fig. 8 is the structural schematic diagram of the lateral voussoir in the elevator chain breaking falling-prevention device of the utility model embodiment one；
Fig. 9 is the cross-sectional view (chain breakage of another elevator chain breaking falling-prevention device of the utility model embodiment one
Before)；
Figure 10 is the cross-sectional view (chain breakage of another elevator chain breaking falling-prevention device of the utility model embodiment one
Afterwards).
Label declaration:
1, column；11, vertical plate；12, aperture；2, pull rod；21, threaded portion；3, chain；4, connecting column；41, connecting plate；5,
Support frame；51, via hole；52, left plate；53, right side plate；54, top plate；55, bottom plate；56, front side board；57, back side panel；58, it leads
To slot；6, vertical voussoir；7, fastening assembly；71, nut；72, locking pin；8, elastic component；9, lateral voussoir；91, guide post；
92, convex block；93, pin shaft；10, reset tension spring；20, directive wheel.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: the connecting column of lifting platform and the junction of pull rod are equipped with elastic component, rise
Connecting column compresses elastic component to drop machine always in the process of running；When chain breakage, elastic component, which restores deformation, drives pull rod suddenly
Decline, the lateral voussoir on pull rod, which moves down, drives lateral voussoir tightly to support on vertical plate, and subsequent elevator compresses again
Elastic component, under the gravity of elevator, the lateral voussoir with pin shaft is moved down, until pin shaft protrudes into the aperture on vertical plate
It is interior.
Fig. 1 to Figure 10, elevator chain breaking falling-prevention device, including column 1, pull rod 2, chain 3 and lifting platform are please referred to, it is described
Column 1 includes two vertical plates 11 being oppositely arranged, and connecting column 4, the pull rod 2 and the chain 3 of the lifting platform are respectively positioned on
Between two vertical plates 11, the top of the pull rod 2 is connected with the chain 3, further includes support frame 5, vertical voussoir 6, tight
Gu component 7 and elastic component 8, the connecting column 4 is equipped with connecting plate 41, and the pull rod 2 sequentially passes through institute far from one end of chain 3
Support frame 5 and the connecting plate 41 is stated to be connected with the fastening assembly 7；One end of the elastic component 8 supports the connecting plate 41,
The other end of the elastic component 8 supports the fastening assembly 7；The vertical voussoir 6 is fixed on the pull rod 2 and is located at described
In support frame 5, two lateral voussoirs 9 are additionally provided in support frame as described above 5, two lateral voussoirs 9 are located at described vertical
The opposite sides of the voussoir 6 and lateral voussoir 9 is positioned at the pull rod 2 and the vertical plate 11 between, the lateral voussoir 9 it is oblique
Face is parallel with the inclined-plane of the vertical voussoir 6, the spacing between the top and the pull rod 2 on the inclined-plane of the vertical voussoir 6
Greater than the spacing between the bottom and the pull rod 2 on the inclined-plane of the vertical voussoir 6；The transverse direction voussoir 9 is along perpendicular to described
The direction of vertical plate 11 is slidably arranged, and support frame as described above 5 is equipped with the via hole 51 passed through for a part of lateral voussoir 9；It is described
Lateral voussoir 9 is equipped with the pin shaft 93 protruded outwardly far from the one end on its inclined-plane, and the vertical plate 11 is equipped with the multiple and pin shaft
93 apertures 12 matched, multiple apertures 12 are arranged along the short transverse of the column 1 in a column.
The structural principle of the utility model is summarized as follows: lifting platform presses simultaneously elastic component 8, support frame 5 in operational process always
And its associate member is flat on lifting platform connecting plate by pull rod 2, when the chain 3 of elevator is broken suddenly, in elastic component 8
Under the action of restoring force, there are relative motions with lateral voussoir 9 for vertical voussoir 6, and vertical voussoir 6 squeezes lateral voussoir 9, so that horizontal
It contacts to voussoir 9 with the interior sidewall surface of vertical plate 11, so that support frame 5 and its associate member are separated with lifting platform, then goes up and down
Platform press again and elastic component 8 after, the weight of lifting platform all acts on lateral voussoir 9, make the lateral voussoir 9 with pin shaft 93 to
Lower movement, until pin shaft 93 protrudes into the aperture 12 on vertical plate 11, to prevent lifting platform from dropping, in addition, lateral voussoir 9 is oblique
Face can be inconsistent with the inclined-plane of vertical voussoir 6, to complete the friction self-locking of lateral voussoir 9 and vertical voussoir 6.
As can be seen from the above description, the utility model has the beneficial effects that: being gone up and down when the chain of elevator is broken suddenly
Machine chain breaking falling-prevention device can make a response rapidly, force the pin shaft on lateral voussoir to protrude on vertical plate using the weight of lifting platform
Aperture in prevent lifting platform from dropping, effectively prevent leading to elevator falls because chain is broken suddenly, high reliablity, and
This elevator chain breaking falling-prevention device is pure mechanic structure, and mechanization degree is high, stability is good.
Further, the elastic component 8 is the spring being set on the pull rod 2.
Further, the fastening assembly 7 includes nut 71, and the pull rod 2 is equipped with and matches with the nut 71
Threaded portion 21, the elastic component 8 support on the nut 71 far from one end of the connecting plate 41.
Further, the fastening assembly 7 further includes locking pin 72, and the locking pin 72 is mounted on the pull rod 2 simultaneously
Side positioned at the nut 71 far from the elastic component 8.
Seen from the above description, nut is equipped with locking pin far from the side of elastic component, and the accident of nut can be effectively prevent de-
It falls, improves the reliability of elevator chain breaking falling-prevention device.
Further, support frame as described above 5 includes left plate 52, right side plate 53, top plate 54 and bottom plate 55, the left plate 52
Both ends be connected respectively with the top plate 54 and the bottom plate 55, the both ends of the right side plate 53 respectively with the top plate 54 and institute
It states bottom plate 55 to be connected, the pull rod 2 sequentially passes through the top plate 54 and the bottom plate 55, the left plate 52 and the right side plate
The via hole 51 is respectively equipped on 53.
Further, front side board 56 and back side panel 57 are additionally provided on support frame as described above 5, the front side board 56 and/or described
Back side panel 57 is equipped with guide groove 58, glide direction setting of the guide groove 58 along the lateral voussoir 9, the transverse direction voussoir
9 are equipped with guide post 91, and the guide post 91 is located in the guide groove 58 and along the movable setting of the guide groove 58.
Seen from the above description, the guide groove of the guide post of lateral voussoir and support frame cooperates, so that lateral voussoir
A possibility that can only moving in one direction, reducing lateral voussoir and support frame generation clamping stagnation, further improve elevator
The reliability of chain breaking falling-prevention device.
Further, there is spacing, the transverse direction voussoir 9 and the bottom between the lateral voussoir 9 and the top plate 54
There is gap between plate 55.
Seen from the above description, it is respectively equipped with spacing, gap between lateral voussoir and top plate and bottom plate, cross can be effectively prevent
Clamping stagnation (preventing from rubbing between lateral voussoir and top plate and bottom plate) occurs to voussoir and support frame, lateral voussoir is allowed to react more
Add sensitive, further improves the reliability of elevator chain breaking falling-prevention device.
Further, the vertical voussoir 6 is in reverse isosceles trapezoid.
Further, non-chain rupture state, unilateral distance 1-1.5mm, the company between the pin shaft 93 and the vertical plate 11
It connects between two end faces that column 4 is located remotely from each other equipped with directive wheel 20, two pin shafts 93 on different lateral voussoirs 9
Distance be less than the directive wheel 20 diameter；During lifting of lifting table, under the guiding of directive wheel 20, the pin shaft 93 begins
The vertical plate will not be accidentally touched eventually.
Further, the lateral voussoir 9 is equipped with convex block 92 compatible with the via hole 51 far from the side on its inclined-plane,
The pin shaft 93 is set on the convex block 92.
Further, on same vertical plate 11, the spacing between the two neighboring aperture 12 is equal.
It further, further include reset tension spring 10, one end of the reset tension spring 10 is fixed on the lateral voussoir 9,
The other end of the reset tension spring 10 is fixed on the vertical voussoir 6, the pull rod 2 or support frame as described above 5.
Seen from the above description, setting reset tension spring can prevent lateral voussoir from malfunctioning, and it is disconnected to be conducive to raising elevator
The stability of chain anti-fall device work.
Embodiment one
Please refer to Fig. 1 to Figure 10, the embodiments of the present invention one are as follows: elevator chain breaking falling-prevention device, including column 1,
Pull rod 2, chain 3 and lifting platform (not shown), the column 1 include two vertical plates 11 being oppositely arranged, the company of the lifting platform
It connects column 4, the pull rod 2 and the chain 3 to be respectively positioned between two vertical plates 11, the top of the pull rod 2 and the chain 3
It is connected, further includes support frame 5, vertical voussoir 6, fastening assembly 7 and elastic component 8, the connecting column 4 is equipped with connecting plate 41, institute
It states pull rod 2 and sequentially passes through support frame as described above 5 and the connecting plate 41 far from one end of chain 3 and be connected with the fastening assembly 7；Institute
The one end for stating elastic component 8 supports the connecting plate 41, and the other end of the elastic component 8 supports the fastening assembly 7；It is described vertical
Voussoir 6 is fixed on the pull rod 2 and is located in support frame as described above 5, is additionally provided with two lateral voussoirs 9 in support frame as described above 5, and two
A lateral voussoir 9 is located at the opposite sides of the vertical voussoir 6 and the lateral voussoir 9 be located at the pull rod 2 with
Between the vertical plate 11, the inclined-plane of the transverse direction voussoir 9 is parallel with the inclined-plane of the vertical voussoir 6, the vertical voussoir 6
Between the bottom and the pull rod 2 on the inclined-plane that the spacing between the top on inclined-plane and the pull rod 2 is greater than the vertical voussoir 6
Spacing；The transverse direction voussoir 9 is slidably arranged along the direction perpendicular to the vertical plate 11, and support frame as described above 5 is equipped with for transverse direction
The via hole 51 that a part of voussoir 9 passes through, the transverse direction voussoir 9 are equipped with the pin shaft 93 protruded outwardly far from the one end on its inclined-plane,
The vertical plate 11 is equipped with multiple apertures 12 matched with the pin shaft 93, height of multiple apertures 12 along the column 1
Direction is spent in a column arrangement.Optionally, the diameter range of the pin shaft 93 is 25-35mm.It is preferred that the diameter model of the pin shaft 93
It encloses for 28-32mm.Preferably, the column 1 is H profile steel.
Preferably, when elevator works normally, there is gap between the inclined-plane of lateral voussoir 9 and the inclined-plane of vertical voussoir 6,
The presence in the gap can prevent from corroding between lateral voussoir 9 and vertical voussoir 6.Optionally, lubrication is equipped in the gap
Oil.When chain rupture situation occurs for elevator, the inclined-plane of the inclined-plane of lateral voussoir 9 and vertical voussoir 6 is contradicted, lateral voussoir 9 with it is perpendicular
It is realized to voussoir 6 self-locking.
In the present embodiment, lifting platform presses simultaneously elastic component 8 in operational process always, when 3 fracture accident of chain occurs suddenly,
Under the action of 8 restoring force of elastic component, there are relative motions with lateral voussoir 9 for vertical voussoir 6, so that vertical voussoir 6 squeezes cross
To voussoir 9, lateral voussoir 9 is contacted with the interior sidewall surface of vertical plate 11, and subsequent lifting platform presses again and after elastic component 8, lifting platform
Weight all acts on lateral voussoir 9, moves down the lateral voussoir 9 with pin shaft 93, until pin shaft 93 protrudes into vertical plate 11
On aperture 12 in, so that lifting platform be prevented to drop.
Further, non-chain rupture state, unilateral distance 1-1.5mm, the company between the pin shaft 93 and the vertical plate 11
It connects between two end faces that column 4 is located remotely from each other equipped with directive wheel 20, two pin shafts 93 on different lateral voussoirs 9
Distance be less than the directive wheel 20 diameter；During lifting of lifting table, under the guiding of directive wheel 20, the pin shaft 93 begins
The vertical plate will not be accidentally touched eventually.
The elastic component 8 is the spring being set on the pull rod 2.
In other embodiments, the fastening assembly 7 includes the baffle being fixed on the pull rod 2, the elasticity
Part 8 supports on the baffle far from one end of the connecting plate 41.
In the present embodiment, the fastening assembly 7 includes nut 71, and the pull rod 2 is equipped with and matches with the nut 71
Threaded portion 21, the elastic component 8 supports on the nut 71 far from one end of the connecting plate 41.Specifically, the spiral shell
The quantity of mother 71 is two.After nut 71 is tightened, the axial force generated between two nuts 71 makes the screw thread and pull rod 2 of nut 71
On screw thread between frictional force increase, to prevent nut 71 from loosening automatically.
As optimization, the fastening assembly 7 further includes locking pin 72, and the locking pin 72 is mounted on the pull rod 2 simultaneously
Side positioned at the nut 71 far from the elastic component 8.Locking pin 72 can effectively prevent the accident of nut 71 to fall off, and improve
The reliability of elevator chain breaking falling-prevention device.
Support frame as described above 5 includes left plate 52, right side plate 53, top plate 54 and bottom plate 55, the both ends point of the left plate 52
Be not connected with the top plate 54 and the bottom plate 55, the both ends of the right side plate 53 respectively with the top plate 54 and the bottom plate 55
It is connected, the pull rod 2 sequentially passes through the top plate 54 and the bottom plate 55, distinguishes on the left plate 52 and the right side plate 53
Equipped with the via hole 51.
Incorporated by reference to Fig. 2 and Fig. 8, front side board 56 and back side panel 57 are additionally provided on support frame as described above 5, detailed, front side board 56
It is connect respectively with left plate 52 and right side plate 53, front side board 57 is connect with left plate 52 and right side plate 53 respectively.Optionally, described
Front side board 56 or the back side panel 57 are equipped with guide groove 58.But in the present embodiment, the front side board 56 and the rear side
Guide groove 58 is equipped on plate 57.Glide direction setting of the guide groove 58 along the lateral voussoir 9, the transverse direction voussoir 9
On with guide post 91 is equipped on the corresponding position of the guide groove, the guide post 91 is located in the guide groove 58 and along institute
State the movable setting of guide groove 58.Specifically, two guide posts being parallel to each other 91 are respectively set in each guide groove 58.Two
The guide post 91 being parallel to each other can effectively prevent lateral voussoir 9 to rotate and clamping stagnation occurs with support frame 5.
As optimization, there is spacing, the transverse direction voussoir 9 and the bottom between the transverse direction voussoir 9 and the top plate 54
There is gap between plate 55.Lateral voussoir 9 does not contact with top plate 54 and bottom plate 55, can effectively prevent lateral voussoir 9 and support
Clamping stagnation occurs for frame 5.
Preferably, the vertical voussoir 6 is in reverse isosceles trapezoid；Angle between the isosceles trapezoid bevel edge and ground
Range be 80 ° -85 °, i.e., the Self-locking angle angular range between vertical voussoir 6 and lateral voussoir 9 is 80 ° -85 °, 80 ° -85 °
It is self-locking that Self-locking angle may insure that vertical voussoir 6 can be completed with lateral voussoir 9.
The transverse direction voussoir 9 is equipped with convex block 92 compatible with the via hole 51, the pin shaft far from the side on its inclined-plane
93 are set on the convex block 92.
On same vertical plate 11, the spacing between the two neighboring aperture 12 is equal.Optionally, the two neighboring aperture
Spacing range between 12 is 40-70mm.It is preferred that the spacing range between the two neighboring aperture 12 is 50-60mm.
It as shown in Figures 1 to 5, further include reset tension spring 10, one end of reset tension spring 10 is fixed on the lateral voussoir 9
On, the other end of reset tension spring 10 is fixed on support frame 5.Preferably, the reset tension spring 10 connects front side board 56 or rear side
On plate 57；In the present embodiment, the quantity of the reset tension spring 10 is eight, and eight reset tension springs 10 are divided into two groups, and one group multiple
Position tension spring 10 connects the lateral voussoir 9 and front side board 56, and another group of reset tension spring 10 connects the lateral voussoir 9 and back side panel
57.Certainly, as shown in Figure 9 and Figure 10, one end of the reset tension spring 10 is fixed on the lateral voussoir 9, and the reset is drawn
The other end of spring 10 may be also secured on the vertical voussoir 6 or the pull rod 2.
In conclusion elevator chain breaking falling-prevention device provided by the utility model, when the chain of elevator is broken suddenly,
Elevator chain breaking falling-prevention device can make a response rapidly, force the pin shaft on lateral voussoir to protrude into using the weight of lifting platform vertical
To prevent lifting platform from dropping in aperture on plate, meanwhile, vertical voussoir and lateral voussoir are inconsistent self-locking to realize, effectively prevent
Because chain is broken suddenly lead to elevator falls, high reliablity, and this elevator chain breaking falling-prevention device is pure mechanic structure,
Mechanization degree is high, stability is good；Nut is equipped with locking pin far from the side of elastic component, and the accident of nut can be effectively prevent de-
It falls, the guide post of lateral voussoir and the guide groove of support frame cooperate, so that lateral voussoir can only move in one direction, drop
A possibility that clamping stagnation occurs for low lateral voussoir and support frame, while between being respectively equipped between lateral voussoir and top plate and bottom plate
Gap can effectively prevent lateral voussoir and support frame that clamping stagnation occurs, further improve the reliability of elevator chain breaking falling-prevention device；
Setting reset tension spring can prevent lateral voussoir from malfunctioning, and be conducive to the stability for improving the work of elevator chain breaking falling-prevention device.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (10)
1. elevator chain breaking falling-prevention device, including column, pull rod, chain and lifting platform, the column includes two be oppositely arranged
A vertical plate, the connecting column of the lifting platform, the pull rod and the chain are respectively positioned between two vertical plates, the pull rod
Top is connected with the chain, it is characterised in that: further includes support frame, vertical voussoir, fastening assembly and elastic component, the connection
Column is equipped with connecting plate, and the pull rod sequentially passes through support frame as described above and the connecting plate and the fastening far from one end of chain
Component is connected；
One end of the elastic component supports the connecting plate, and the other end of the elastic component supports the fastening assembly；
The vertical voussoir is fixed on the pull rod and is located in support frame as described above, and two transverse directions are additionally provided in support frame as described above
Voussoir, two lateral voussoirs are located at the opposite sides of the vertical voussoir and the lateral voussoir is located at the pull rod
Between the vertical plate, the inclined-plane of the transverse direction voussoir is parallel with the inclined-plane of the vertical voussoir；
The transverse direction voussoir is slidably arranged along the direction perpendicular to the vertical plate, and support frame as described above is equipped with for lateral voussoir
The via hole that a part passes through；The transverse direction voussoir is equipped with the pin shaft protruded outwardly far from the one end on its inclined-plane, sets on the vertical plate
There are multiple apertures matched with the pin shaft, multiple apertures are arranged along the short transverse of the column in a column.
2. elevator chain breaking falling-prevention device according to claim 1, it is characterised in that: the elastic component is described to be set in
Spring on pull rod.
3. elevator chain breaking falling-prevention device according to claim 2, it is characterised in that: the fastening assembly includes nut,
The pull rod is equipped with the threaded portion matched with the nut, and the elastic component is supported far from one end of the connecting plate in institute
It states on nut.
4. elevator chain breaking falling-prevention device according to claim 3, it is characterised in that: the fastening assembly further includes anticreep
Pin, the locking pin are mounted on the pull rod and are located at side of the nut far from the elastic component.
5. elevator chain breaking falling-prevention device according to claim 1, it is characterised in that: support frame as described above include left plate,
Right side plate, top plate and bottom plate, the both ends of the left plate are connected with the top plate and the bottom plate respectively, and the two of the right side plate
End is connected with the top plate and the bottom plate respectively, and the pull rod sequentially passes through the top plate and the bottom plate, the left plate
With the via hole is respectively equipped on the right side plate.
6. elevator chain breaking falling-prevention device according to claim 5, it is characterised in that: be additionally provided with front side on support frame as described above
Plate and back side panel, the front side board and/or the back side panel are equipped with guide groove, cunning of the guide groove along the lateral voussoir
Dynamic direction setting, the transverse direction voussoir are equipped with guide post, and the guide post is located in the guide groove and along the guide groove
Movable setting.
7. elevator chain breaking falling-prevention device according to claim 6, it is characterised in that: the transverse direction voussoir and the top plate
Between have spacing, it is described transverse direction voussoir and the bottom plate between have gap.
8. elevator chain breaking falling-prevention device according to claim 1, it is characterised in that: non-chain rupture state, the pin shaft with
Unilateral distance 1-1.5mm between the vertical plate, the connecting column are equipped with directive wheel, two institutes on different lateral voussoirs
State the diameter that the distance between two end faces that pin shaft is located remotely from each other are less than the directive wheel；During lifting of lifting table, leading
To under the guiding of wheel, the pin shaft will not accidentally touch the vertical plate always.
9. elevator chain breaking falling-prevention device according to claim 1, it is characterised in that: the transverse direction voussoir is far from its inclined-plane
Side be equipped with convex block compatible with the via hole, the pin shaft be set to the convex block on.
10. elevator chain breaking falling-prevention device according to claim 1, it is characterised in that: it further include reset tension spring, it is described multiple
One end of position tension spring is fixed on the lateral voussoir, and the other end of the reset tension spring is fixed on the vertical voussoir, described
On pull rod or support frame as described above.
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| CN201821596192.7U CN209098114U (en) | 2018-09-28 | 2018-09-28 | Elevator chain breaking falling-prevention device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821596192.7U CN209098114U (en) | 2018-09-28 | 2018-09-28 | Elevator chain breaking falling-prevention device |
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| CN209098114U true CN209098114U (en) | 2019-07-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200297A (en) * | 2021-04-14 | 2021-08-03 | 科捷智能科技股份有限公司 | Cargo carrying platform |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200297A (en) * | 2021-04-14 | 2021-08-03 | 科捷智能科技股份有限公司 | Cargo carrying platform |
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