CN208762036U - Preventing colliding with top drop device - Google Patents
Preventing colliding with top drop device Download PDFInfo
- Publication number
- CN208762036U CN208762036U CN201821283852.6U CN201821283852U CN208762036U CN 208762036 U CN208762036 U CN 208762036U CN 201821283852 U CN201821283852 U CN 201821283852U CN 208762036 U CN208762036 U CN 208762036U
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- lifting platform
- steel tower
- spring
- piston
- skewback
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Abstract
The utility model discloses a kind of preventing colliding with top drop devices, it is related to lifting device technical field of constructing, its key points of the technical solution are that including steel tower, the inside of the steel tower is equipped with the lifting platform that can be slided up and down inside steel tower, and the steel tower is equipped with the mobile driving mechanism of driving lifting platform；The both ends at the top of the steel tower are equipped with fixed block, are equipped with elastic parts in the fixed block；The elastic parts includes piston and the first spring；The sliding slot vertically slid for piston is offered in the fixed block, one end of first spring is fixed in one end that piston is in sliding slot, and the other end of first spring is fixed in one end inner wall of the sliding slot far from piston.The utility model solves the problems, such as that lifting platform contacts with the top rigid of steel tower and is likely to result in lifting platform damage.
Description
Technical field
The utility model relates to lifting device technical fields of constructing, and fall dress more specifically, it is related to a kind of preventing colliding with top
It sets.
Background technique
Now with economic continuous development, everywhere it can be seen that construction site, and in building, fitment process often
Use lifting tower.
The prior art, which can refer to, is authorized notification number as CN202754656U Chinese utility model patent, and it is anti-that it discloses one kind
It rushes to summit drop device, including steel tower, the inside of the steel tower is equipped with the lifting platform that can be slided up and down inside steel tower, rises
The top of drop platform is connect by wirerope with elevator, and elevator is arranged on steel tower, and the left and right sides of steel tower is set respectively
There are sprocket, be respectively arranged on the left side and the right side and the mutually matched gear of sprocket of lifting platform, the top of sprocket is equipped with straight
Preventing colliding with top steel plate.
But the lifting platform of lifting tower and straight preventing colliding with top steel plate are rigid contact, when elevator pulling force it is excessive when,
Lifting platform can be made to damage, cause safety accident.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of preventing colliding with top drop device,
It, in this way can effective ground resistance by the way that certain buffer function can be played to lifting platform in the top of steel tower setting elastic parts
The only rigid contact at the top of lifting platform and steel tower.
To achieve the above object, the utility model provides following technical solution: a kind of preventing colliding with top drop device, including steel
Pylon, the inside of the steel tower are equipped with the lifting platform that can be slided up and down inside steel tower, and the steel tower is equipped with driving
The mobile driving mechanism of lifting platform；The both ends at the top of the steel tower are equipped with fixed block, are equipped with elasticity in the fixed block
Component；The elastic parts includes piston and the first spring；The cunning vertically slid for piston is offered in the fixed block
Slot, one end of first spring are fixed in one end that piston is in sliding slot, and the other end of first spring is fixed in cunning
One end inner wall of the slot far from piston.
By using above-mentioned technical proposal, driving mechanism drives lifting platform to rise, top and piston contact when lifting platform
When, piston upwards, piston upwards compress the first spring at this time, and the first spring is in compressed state at this time, this
Sample can reduce the speed of lifting platform rising, to can effectively prevent the rigidity at the top of lifting platform and steel tower from connecing in this way
Touching.
The utility model is further arranged to: the piston is in sliding slot inner part, is arranged fixation on one end outer peripheral surface
There is plectane, the plectane vertically slides and is connected to sliding slot.
By using above-mentioned technical proposal, it is that piston separates with the first spring and causes piston in order to prevent that plectane, which is arranged,
It falls off, operator can be injured by a crashing object in this way to avoid because piston falls off.
The utility model is further arranged to: the driving component includes hoist engine, two pulleys and two sections of wirerope；
The hoist engine is mounted on steel tower, and two pulleys are separately mounted to the both ends at the top of steel tower, two sections of steel
Cord passes through two pulleys respectively, and one end of two sections of wirerope is connect with the both ends of lifting platform respectively, two sections of steel
The other end of cord is connect with hoist engine respectively.
By using above-mentioned technical proposal, start hoist engine, hoist engine can drive lifting platform to rise or decline, hoist engine
It is easy to operate, wiring amount is big, dislocation is convenient, lifting platform can accurately be gone up and down in this way.
The utility model is further arranged to: the both ends of the lifting platform are equipped with for carrying out emergency braking to lifting platform
Brake assemblies.
By using above-mentioned technical proposal, brake assemblies can brake the lifting platform to fall off by accident, in this way may be used
To ensure the personal safety of the operator on lifting platform.
The utility model is further arranged to: the brake assemblies include skewback and rack gear；One end of the lifting platform
Inside is equipped with L-shaped groove, and the L-shaped groove includes horizontal segment and vertical section；The bottom sliding of the skewback is connected to horizontal segment, institute
The inside for stating horizontal segment is equipped with baffle, and the baffle is equipped with through-hole；The horizontal segment is in the part between baffle and skewback
Equipped with second spring, the both ends of the second spring are respectively and fixedly connected in baffle and skewback；The wirerope successively pass through vertical section,
Through-hole and second spring are fixedly connected with skewback；The rack gear is vertically arranged to the inner wall of steel tower, the skewback and rack gear
Clamping can fix lifting platform.
By using above-mentioned technical proposal, for lifting platform in normal movement, wirerope pulls skewback, and skewback compresses the at this time
Two springs, second spring are in compressed state；When wire cable rupture, second spring pushes the tooth socket card of skewback and rack gear
It connects, lifting platform is just fixed at this time, and such brake assemblies can brake the lifting platform to fall off by accident.
The utility model is further arranged to: the junction of the horizontal segment and vertical section is equipped with directive wheel.
By using above-mentioned technical proposal, on the one hand directive wheel can be oriented to wirerope, can make lifting platform in this way
Mobile is more stable；On the other hand directive wheel can reduce the friction of wirerope and lifting platform, can extend wirerope in this way
Service life.
The utility model is further arranged to: the bottom of the steel tower is equipped with Buffer Unit.
By using above-mentioned technical proposal, when lifting platform falls off because of accident, Buffer Unit can be reduced under lifting platform
The speed of drop can play certain protective action to lifting platform in this way.
The utility model is further arranged to: the Buffer Unit includes bottom plate and support plate；The bottom plate is fixed in
The bottom of steel tower, the support plate vertically slide and are connected to steel tower, and array is provided with multiple third bullets on the bottom plate
The both ends of spring, the third spring are respectively and fixedly connected in bottom plate and support plate.
By using above-mentioned technical proposal, when lifting platform falls off because of accident, lifting platform first compresses support plate, support plate
Third spring is compressed, third spring is in compressed state at this time, and such third spring just can be to lifting platform by support plate
Play certain buffer function.
In conclusion the utility model has the advantages that compared with the prior art
1. driving mechanism drives lifting platform to rise, when the top of lifting platform and piston contact, piston upwards at this time,
Piston upwards compress the first spring, and the first spring is in compressed state at this time, can reduce lifting platform rising in this way
Speed, to can effectively prevent the rigid contact at the top of lifting platform and steel tower in this way；
2. lifting platform, in normal movement, wirerope pulls skewback, and skewback compresses second spring at this time, and second spring is in
Compressed state；When wire cable rupture, second spring pushes the tooth socket of skewback and rack gear to be clamped, and lifting platform is just consolidated at this time
Fixed, such brake assemblies can brake the lifting platform to fall off by accident；
3. lifting platform first compresses support plate when lifting platform falls off because of accident, support plate compresses third spring, at this time
Three springs are in compressed state, and such third spring just can play certain buffer function by support plate to lifting platform.
Detailed description of the invention
Fig. 1 is the partial sectional view that elastic parts and brake assemblies are highlighted in embodiment；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the partial enlarged view in Fig. 1 at B.
In figure: 1, steel tower；11, fixed block；111, sliding slot；12, elastic parts；121, piston；122, the first spring；
123, plectane；2, lifting platform；21, L-shaped groove；211, horizontal segment；212, vertical section；3, driving mechanism；31, hoist engine；32, sliding
Wheel；33, wirerope；4, brake assemblies；41, skewback；42, rack gear；43, second spring；44, baffle；441, through-hole；45, it is oriented to
Wheel；5, Buffer Unit；51, bottom plate；52, support plate；53, third spring.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of preventing colliding with top drop device, as depicted in figs. 1 and 2, including steel tower 1, the inside peace of steel tower 1
Equipped with the lifting platform 2 that can be slided up and down inside steel tower 1, driving lifting platform 2 mobile driving mechanism is installed on steel tower 1
3；The both ends at the top of steel tower 1 are fixedly connected to fixed block 11, and elastic parts 12 is equipped in fixed block 11.Driving mechanism
3 driving lifting platforms 2 rise, and when the top of lifting platform 2 is contacted with elastic parts 12, elastic parts 12 plays one to lifting platform 2
Fixed buffer function can effectively prevent the rigid contact at the top of lifting platform 2 and steel tower 1 in this way.
As depicted in figs. 1 and 2, elastic parts 12 includes piston 121 and the first spring 122；It is offered in fixed block 11
For the sliding slot 111 that piston 121 vertically slides, one end of the first spring 122 is fixed in piston 121 is in sliding slot 111 one
End, the other end of the first spring 122 are fixed in one end inner wall of the sliding slot 111 far from piston 121, top and work when lifting platform 2
When 121 contact of plug, piston 121 is moved upwards at this time, and piston 121, which moves upwards, compresses the first spring 122, at this time the first spring
122 are in compressed state, the speed of the rising of lifting platform 2 can be reduced in this way, to can effectively prevent to go up and down in this way
The rigid contact at the top of platform 2 and steel tower 1.Piston 121 is in 111 inner part of sliding slot, is arranged fixation on one end outer peripheral surface
There is plectane 123, plectane 123 vertically slides and is connected to sliding slot 111, and setting plectane 123 is piston 121 and the first bullet in order to prevent
Spring 122 separates and causes falling off for piston 121, can injure operator by a crashing object in this way to avoid due to piston 121 falls off.
As shown in Figure 1, driving assembly includes 31, two pulleys 32 of hoist engine and two sections of wirerope 33；Hoist engine 31 is pacified
On steel tower 1, two pulleys 32 are separately mounted to the both ends at the top of steel tower 1, and two sections of wirerope 33 pass through two respectively
A pulley 32, and one end of two sections of wirerope 33 is connect with the both ends of lifting platform 2 respectively, the other end difference of two sections of wirerope 33
It is connect with hoist engine 31.Start hoist engine 31, hoist engine 31 can drive lifting platform 2 to rise or decline, and hoist engine 31 operates letter
List, wiring amount are big, dislocation is convenient, can accurately be gone up and down to lifting platform 2 in this way.
As shown in figures 1 and 3, the both ends of lifting platform 2 are mounted on the braking group for carrying out emergency braking to lifting platform 2
Part 4, brake assemblies 4 include skewback 41 and rack gear 42；L-shaped groove 21 is offered inside one end of lifting platform 2, L-shaped groove 21 includes
Horizontal segment 211 and vertical section 212；The bottom sliding of skewback 41 is connected to horizontal segment 211, and the inside of horizontal segment 211 is connected with
Baffle 44 offers through-hole 441 on baffle 44, and setting through-hole 441 is to allow wirerope 33 to pass through.Horizontal segment 211 is in gear
Part between plate 44 and skewback 41 is equipped with second spring 43, and the both ends of second spring 43 are respectively and fixedly connected in baffle 44 and skewback
41；Wirerope 33 is successively fixedly connected by vertical section 212, directive wheel 45, through-hole 441 and second spring 43 with skewback 41；
The junction of horizontal segment 211 and vertical section 212 is equipped with directive wheel 45, and setting directive wheel 45 is to lead to wirerope 33
To the friction of wirerope 33 Yu lifting platform 2 can be reduced in this way.Rack gear 42 is vertically arranged to the inner wall of steel tower 1, skewback 41 with
The clamping of rack gear 42 can be fixed by lifting platform 2.For lifting platform 2 in normal movement, wirerope 33 pulls skewback 41, and skewback 41 supports at this time
Second spring 43 is pressed, second spring 43 is in compressed state；When wirerope 33 is broken, second spring 43 pushes skewback 41
It is clamped with the tooth socket of rack gear 42, lifting platform 2 is just fixed at this time, and such brake assemblies 4 can be to the lifting platform 2 to fall off by accident
It is braked.
As shown in Figure 1, the bottom of steel tower 1 is equipped with Buffer Unit 5, Buffer Unit 5 includes bottom plate 51 and support plate
52；Bottom plate 51 is fixed in the bottom of steel tower 1, and support plate 52 vertically slides and is connected to steel tower 1, and array is arranged on bottom plate 51
There are multiple third springs 53, the both ends of third spring 53 are respectively and fixedly connected in bottom plate 51 and support plate 52.When lifting platform 2 is due to unexpected
When falling off, lifting platform 2 first compresses support plate 52, and support plate 52 compresses third spring 53, and third spring 53 is in and is compressed at this time
State, such third spring 53 just can play certain buffer function by support plate 52 to lifting platform 2.
The working principle of this kind of preventing colliding with top drop device is as follows:
Start hoist engine 31, hoist engine 31 drives lifting platform 2 to rise by wirerope 33, top and work when lifting platform 2
When 121 contact of plug, piston 121 is moved upwards at this time, and piston 121, which moves upwards, compresses the first spring 122, at this time the first spring
122 are in compressed state, can reduce the speed of the rising of lifting platform 2 in this way.
For lifting platform 2 in normal movement, wirerope 33 pulls skewback 41, and skewback 41 compresses second spring 43 at this time, and second
Spring 43 is in compressed state；When wirerope 33 is broken, second spring 43 pushes the tooth socket card of skewback 41 and rack gear 42
It connects, lifting platform 2 is just fixed at this time, and such brake assemblies 4 can brake the lifting platform 2 to fall off by accident.
When lifting platform 2 falls off because of accident, lifting platform 2 first compresses support plate 52, and support plate 52 compresses third spring 53,
Third spring 53 is in compressed state at this time, and such third spring 53 just can play one to lifting platform 2 by support plate 52
Fixed buffer function.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of preventing colliding with top drop device, it is characterised in that: including steel tower (1), the inside of the steel tower (1) is equipped with can edge
The lifting platform (2) slided up and down inside steel tower (1), the steel tower (1) are equipped with the mobile driving machine of driving lifting platform (2)
Structure (3)；The both ends at the top of the steel tower (1) are equipped with fixed block (11), and elastic parts is equipped in the fixed block (11)
(12)；The elastic parts (12) includes piston (121) and the first spring (122)；Confession is offered in the fixed block (11)
The sliding slot (111) that piston (121) vertically slides, one end of first spring (122) are fixed in piston (121) and are in sliding slot
(111) one end in, the other end of first spring (122) are fixed in sliding slot (111) far from the one end of piston (121)
Wall.
2. preventing colliding with top drop device according to claim 1, it is characterised in that: the piston (121) is in sliding slot (111)
Inner part is arranged on one end outer peripheral surface and is fixed with plectane (123), and the plectane (123) vertically slides and is connected to sliding slot
(111)。
3. preventing colliding with top drop device according to claim 1, it is characterised in that: the driving mechanism (3) includes hoist engine
(31), two pulleys (32) and two sections of wirerope (33)；The hoist engine (31) is mounted on steel tower (1), described in two
Pulley (32) is separately mounted to the both ends at the top of steel tower (1), and two sections of wirerope (33) pass through two pulleys respectively
(32), and one end of two sections of wirerope (33) is connect with the both ends of lifting platform (2) respectively, two sections of wirerope (33)
The other end is connect with hoist engine (31) respectively.
4. preventing colliding with top drop device according to claim 3, it is characterised in that: the both ends of the lifting platform (2) are equipped with
For lifting platform (2) to be carried out with the brake assemblies (4) of emergency braking.
5. preventing colliding with top drop device according to claim 4, it is characterised in that: the brake assemblies (4) include skewback
(41) and rack gear (42)；L-shaped groove (21) are equipped with inside one end of the lifting platform (2), the L-shaped groove (21) includes horizontal segment
(211) and vertical section (212)；The bottom sliding of the skewback (41) is connected to horizontal segment (211), the horizontal segment (211)
Inside be equipped with baffle (44), the baffle (44) be equipped with through-hole (441)；The horizontal segment (211) be in baffle (44) with
Part between skewback (41) is equipped with second spring (43), the both ends of the second spring (43) be respectively and fixedly connected in baffle (44) and
Skewback (41)；The wirerope (33) is successively by vertical section (212), through-hole (441) and second spring (43) and skewback
(41) it is fixedly connected；The rack gear (42) is vertically arranged to the inner wall of steel tower (1), and the skewback (41) and rack gear (42) are clamped
It can be fixed by lifting platform (2).
6. preventing colliding with top drop device according to claim 5, it is characterised in that: the horizontal segment (211) and vertical section
(212) junction is equipped with directive wheel (45).
7. preventing colliding with top drop device according to claim 1, it is characterised in that: the bottom of the steel tower (1) is equipped with slow
Rush component (5).
8. preventing colliding with top drop device according to claim 7, it is characterised in that: the Buffer Unit (5) includes bottom plate
(51) and support plate (52)；The bottom plate (51) is fixed in the bottom of steel tower (1), and the support plate (52) vertically slides
It being connected to steel tower (1), array is provided with multiple third springs (53) on the bottom plate (51), and the two of the third spring (53)
End is respectively and fixedly connected in bottom plate (51) and support plate (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283852.6U CN208762036U (en) | 2018-08-09 | 2018-08-09 | Preventing colliding with top drop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283852.6U CN208762036U (en) | 2018-08-09 | 2018-08-09 | Preventing colliding with top drop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208762036U true CN208762036U (en) | 2019-04-19 |
Family
ID=66130884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821283852.6U Active CN208762036U (en) | 2018-08-09 | 2018-08-09 | Preventing colliding with top drop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208762036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526147A (en) * | 2019-08-27 | 2019-12-03 | 成都金瑞建工机械有限公司 | A kind of bucket proposes mixing plant hopper protective device |
-
2018
- 2018-08-09 CN CN201821283852.6U patent/CN208762036U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526147A (en) * | 2019-08-27 | 2019-12-03 | 成都金瑞建工机械有限公司 | A kind of bucket proposes mixing plant hopper protective device |
| CN110526147B (en) * | 2019-08-27 | 2021-10-22 | 成都金瑞建工机械有限公司 | Hopper protection device of hopper lifting mixing station |
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