CN108675214A - A kind of lifting machine column fall-preventing self-locking structure - Google Patents
A kind of lifting machine column fall-preventing self-locking structure Download PDFInfo
- Publication number
- CN108675214A CN108675214A CN201810524253.7A CN201810524253A CN108675214A CN 108675214 A CN108675214 A CN 108675214A CN 201810524253 A CN201810524253 A CN 201810524253A CN 108675214 A CN108675214 A CN 108675214A
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- China
- Prior art keywords
- limiting device
- lifting machine
- column
- active plate
- type groove
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a kind of lifting machine column fall-preventing self-locking structures, are related to lifting machine manufacturing field.The present invention includes column, limiting device, operating device and active plate；Column is a U-type groove steel；The notch opposite sides of U-type groove steel is respectively equipped with limiting plate；U-type groove steel bottom surface is equipped with a kidney slot；Opposite sides face is installed with rack in U-type groove steel tank；Limiting device upper surface is fixedly connected with a lifting equipment；Limiting device is equipped with a free bearing with respect to two medial surfaces；It is mounted with an elastic device below free bearing；Operating device includes a shaft, is fixedly mounted on the limited block and handle at shaft both ends；One surface of active plate is equipped with a hinge；Hinge is hinged with free bearing.The present invention in limiting device by hingedly installing active plate, the folding of active plate is realized using operating device between two active plates, then by reaching self-locking state with the cooperation of column inner wall rack under active plate open state, is had simple in structure, it is easy to use, improve the safety of lifting machine.
Description
Technical field
The invention belongs to lifting machine manufacturing fields, more particularly to a kind of lifting machine column fall-preventing self-locking structure.
Background technology
It China's automobile and gos deep into family, automobile maintenance industry has also welcome a peak period, and therewith to car lift
Demand also increasingly increases, because it is the commonly used equipment of motor vehicle repair shop.
Lifting machine generally has pillar, scissors, type of drive to have chain drive, hydraulic drive, Pneumatic Transmission at present；Wherein
The safety requirements of lifting machine becomes an important concerned issue.
Lifting machine needs to remain stationary as at an arbitrary position, can be with when repairing different location so as not to the worker of same height
Arbitrary adjustment height, most conveniently repairs.Therefore, hydraulic system must have the function of that positioning is kept.When the special feelings of appearance
When condition such as steel wire rope or chain occur fracture, have a power failure suddenly, lose oil pressure suddenly suddenly, it is necessary to have insurance institution to avoid lifting
Arm glides rapidly in the case of automobile gravity, is easy to threaten to the life security of service worker under vehicle, above lifting machine
Automobile also have the danger broken；So the occurrence of so in order to prevent, it is necessary to install a kind of structure letter to lifting machine
Single practical mechanical lock.
Invention content
The purpose of the present invention is to provide a kind of lifting machine column fall-preventing self-locking structures, by hinged in limiting device
Active plate is installed, realizes the folding of active plate using operating device between two active plates, then by under active plate open state with
The cooperation of column inner wall rack reaches self-locking state, and solve that existing lifting equipment lacks that mechanical lock is prone to accidents asks
Topic.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of lifting machine column fall-preventing self-locking structure, including column, limiting device, operating device and active
Plate；The column is a U-type groove steel；The notch opposite sides of the U-type groove steel is respectively equipped with limiting plate；U-type groove steel bottom
Face is equipped with a kidney slot；Opposite sides face is installed with rack in the U-type groove steel tank；The limiting device is a babinet；Institute
It states limiting device opposite sides face and is respectively equipped with one first through hole and a link block；The link block is not connect with limiting device
One end be equipped with a lift arm；The limiting device upper surface is fixedly connected with a lifting equipment；The limiting device with respect to two in
Side is equipped with a free bearing；A connecting pole is equipped in the limiting device；It is mounted with an elastic device below the free bearing；
The hand that the operating device includes a shaft, is fixedly mounted on the limited block of shaft one end and is fixedly mounted on the shaft other end
Handle；The shaft is slidably matched with kidney slot；The shaft and the first through hole clearance fit；The limited block is slided with limiting plate
Dynamic cooperation；One surface of active plate is equipped with a hinge；One second through hole is offered below the hinge；The hinge and hinge
Seat is hinged；The active plate is socketed in by the second through hole on connecting pole.
Further, described elastic device one end is fixed on limiting device inner wall；The elastic device other end is solid
Dingan County is mounted in one surface of active plate；The elastic device is spring or rubber column.
Further, the second perforation bore dia is more than connection column diameter.
Further, the lift arm is a ladder-like steel plate；The ladder-like steel plate is at least two layers.
Further, the lifting equipment is hydraulic cylinder or pneumatic cylinder or chain.
Further, the active plate length is more than limiting device height.
Further, the length of the limited block is equal with the distance between under vertical state two active plates.
The invention has the advantages that：
The present invention is realized active by hingedly installing active plate in limiting device using operating device between two active plates
The folding of plate, then by under active plate open state with column inner wall rack cooperation reach self-locking state, have it is simple in structure, make
With conveniently, the safety of lifting machine is improved.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of lifting machine column fall-preventing self-locking structure of the present invention；
Fig. 2 is the front view of lifting machine column fall-preventing self-locking structure；
Fig. 3 is limiting device and lift arm structural schematic diagram；
Fig. 4 is active plate structure schematic diagram；
Fig. 5 is operating device structural schematic diagram；
Fig. 6 is pillar construction schematic diagram；
Fig. 7 is limiting device internal structure schematic diagram；
Fig. 8 is lifting machine working condition lower pillar stand internal structure schematic diagram；
Fig. 9 is partial enlarged view at A in Fig. 8；
Figure 10 is lifting machine self-locking state lower pillar stand internal structure schematic diagram；
Figure 11 is partial enlarged view at B in Figure 10；
In attached drawing, parts list represented by the reference numerals are as follows：
1- columns, 2- limiting devices, 3- lift arms, 4- operating devices, the active plates of 5-, 101- limiting plates, 102- racks,
103- kidney slots, the first through holes of 201-, 202- link blocks, 203- free bearings, 204- connecting poles, 205- elastic devices, 401- turn
Axis, 402- limited blocks, 403- handles, 501- hinges, the second through holes of 502-.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " trepanning ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the position relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
It please refers to Fig.1 shown in -11, the present invention is a kind of lifting machine column fall-preventing self-locking structure, including column 1, limit
Device 2, operating device 4 and active plate 5；
As shown in fig. 6, column 1 is a U-type groove steel；The notch opposite sides of U-type groove steel is respectively equipped with limiting plate 101, limit
Position plate 101 makes limiting device be slided up and down in U-type groove steel；U-type groove steel bottom surface is equipped with a kidney slot 103；Phase in U-type groove steel tank
Two sides are installed with rack 102；
As shown in figure 3, limiting device 2 is a babinet；2 opposite sides face of limiting device is respectively equipped with one first through hole
201 and a link block 202；One end that link block 202 is not connect with limiting device 2 is equipped with a lift arm 3；2 upper table of limiting device
Face is fixedly connected with a lifting equipment, and lifting equipment makes limiting device be slided up and down in column；Limiting device 2 is with respect to two medial surfaces
It is equipped with a free bearing 203；A connecting pole 204 is equipped in limiting device 2；203 lower section of free bearing is mounted with an elastic device
205；
As shown in figure 5, operating device 4 includes a shaft 401, is fixedly mounted on the limited block 402 of 401 one end of shaft and consolidates
Dingan County is mounted in the handle 403 of 401 other end of shaft；Shaft 401 is slidably matched with kidney slot 103；Shaft 401 and the first through hole
201 clearance fits；Limited block 402 is slidably matched with limiting plate 101；
As shown in figure 4,5 one surface of active plate is equipped with a hinge 501；501 lower section of hinge offers one second through hole
502；Hinge 501 is hinged with free bearing 203；Active plate 5 is socketed in by the second through hole 502 on connecting pole 204.
It please refers to shown in Fig. 7,205 one end of elastic device is fixed on 2 inner wall of limiting device；Elastic device 205 is another
End is fixedly mounted on 5 one surface of active plate, and it is in self-locking state to make active plate in normal state using spring tension；Elastic device
205 be spring or rubber column.
Wherein, 502 diameter of the second through hole be more than 204 diameter of connecting pole, make active plate 5 in an inclined state not with connect
Column contacts.
Wherein, lift arm 3 is a ladder-like steel plate；Ladder-like steel plate is at least two layers.
Wherein, lifting equipment is hydraulic cylinder or pneumatic cylinder or chain.
Wherein, 5 length of active plate is more than the height of limiting device 2, makes limited block 402 under vertical state, active plate 5 with it is vertical
Column wall rack cooperates.
Wherein, the length of limited block 402 is equal with the distance between under vertical state two active plates 5, and limited block 402 is made to exist
Under horizontality, active plate 5 is not contacted with column inner wall.
One of the present embodiment has particular application as：
It please refers to shown in Fig. 8-9, when vehicle reaches lifting machine, lift arm moves up under the promotion of hydraulic cylinder, works as vehicle
Reach specified altitude assignment, the handle of staff's Rotary cloumn one side makes handle drive limited block state in a vertical shape, limit dress
The elastic device for setting inner wall is pulled open active plate to both sides by tension, since active plate is hinged on limiting device inner wall,
Under tension force effect, two active plates are put in "eight" shape；If at this moment there is emergency case, as steel wire rope or chain are sent out suddenly
When life is broken, has a power failure suddenly, losing oil pressure suddenly, limiting device can move down under the effect of gravity, at this moment two active plates
Coordinate respectively with rack on the inside of column, limiting device is avoided to glide；
It please refers to Fig.1 shown in 0-11, when vehicle drives off lifting machine, the handle of staff's Rotary cloumn one side makes
It is in water bottle state that handle, which drives limited block, and limited block is during going to horizontality, work that two are put in "eight" shape
Network plate becomes vertical laid parallel, hydraulic cylinder when controlling limiting device and moving down, two active plates of vertical display not with it is vertical
Column wall contacts, to make limiting device smoothly decline.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of lifting machine column fall-preventing self-locking structure, including column (1), limiting device (2), operating device (4) and active
Plate (5)；It is characterized in that：
The column (1) is a U-type groove steel；The notch opposite sides of the U-type groove steel is respectively equipped with limiting plate (101)；The U
Type groove steel bottom surface is equipped with a kidney slot (103)；Opposite sides face is installed with rack (102) in the U-type groove steel tank；
The limiting device (2) is a babinet；Limiting device (2) the opposite sides face is respectively equipped with one first through hole
(201) and a link block (202)；One end that the link block (202) does not connect with limiting device (2) is equipped with a lift arm (3)；
Limiting device (2) upper surface is fixedly connected with a lifting equipment；The limiting device (2) is equipped with a hinge with respect to two medial surfaces
Seat (203)；A connecting pole (204) is equipped in the limiting device (2)；An elasticity is mounted with below the free bearing (203)
Device (205)；
The operating device (4) includes a shaft (401), is fixedly mounted on the limited block (402) of shaft (401) one end and fixes
Mounted on the handle (403) of shaft (401) other end；The shaft (401) is slidably matched with kidney slot (103)；The shaft
(401) with the first through hole (201) clearance fit；The limited block (402) is slidably matched with limiting plate (101)；
(5) one surface of the active plate is equipped with a hinge (501)；One second through hole is offered below the hinge (501)
(502)；The hinge (501) is hinged with free bearing (203)；The active plate (5) is socketed in connection by the second through hole (502)
On column (204).
2. a kind of lifting machine column fall-preventing self-locking structure according to claim 1, which is characterized in that the elastic device
(205) one end is fixed on limiting device (2) inner wall；Elastic device (205) other end is fixedly mounted on active plate (5)
One surface；The elastic device (205) is spring or rubber column.
3. a kind of lifting machine column fall-preventing self-locking structure according to claim 1, which is characterized in that second perforation
Hole (502) diameter is more than connecting pole (204) diameter.
4. a kind of lifting machine column fall-preventing self-locking structure according to claim 1, which is characterized in that the lift arm
(3) it is a ladder-like steel plate；The ladder-like steel plate is at least two layers.
5. a kind of lifting machine column fall-preventing self-locking structure according to claim 1, which is characterized in that the lifting equipment
For hydraulic cylinder or pneumatic cylinder or chain.
6. a kind of lifting machine column fall-preventing self-locking structure according to claim 1, which is characterized in that the active plate
(5) length is more than limiting device (2) height.
7. a kind of lifting machine column fall-preventing self-locking structure according to claim 1, which is characterized in that the limited block
(402) length is equal with the distance between under vertical state two active plates (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524253.7A CN108675214A (en) | 2018-05-28 | 2018-05-28 | A kind of lifting machine column fall-preventing self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524253.7A CN108675214A (en) | 2018-05-28 | 2018-05-28 | A kind of lifting machine column fall-preventing self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108675214A true CN108675214A (en) | 2018-10-19 |
Family
ID=63808650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524253.7A Withdrawn CN108675214A (en) | 2018-05-28 | 2018-05-28 | A kind of lifting machine column fall-preventing self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108675214A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630306A (en) * | 2019-09-24 | 2019-12-31 | 周云飞 | Mining thin coal hydraulic support |
| CN115367668A (en) * | 2022-10-24 | 2022-11-22 | 苏州艾沃意特汽车设备有限公司 | Lifting system for vehicle |
-
2018
- 2018-05-28 CN CN201810524253.7A patent/CN108675214A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630306A (en) * | 2019-09-24 | 2019-12-31 | 周云飞 | Mining thin coal hydraulic support |
| CN115367668A (en) * | 2022-10-24 | 2022-11-22 | 苏州艾沃意特汽车设备有限公司 | Lifting system for vehicle |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181019 |
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| WW01 | Invention patent application withdrawn after publication |