CN203877810U - Small-tonnage crane truck support leg oil cylinder anti-collision device - Google Patents
Small-tonnage crane truck support leg oil cylinder anti-collision device Download PDFInfo
- Publication number
- CN203877810U CN203877810U CN201420340865.8U CN201420340865U CN203877810U CN 203877810 U CN203877810 U CN 203877810U CN 201420340865 U CN201420340865 U CN 201420340865U CN 203877810 U CN203877810 U CN 203877810U
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- CN
- China
- Prior art keywords
- oil cylinder
- coupling link
- protecting
- proofing dust
- leg oil
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Abstract
The utility model discloses a small-tonnage crane truck support leg oil cylinder anti-collision device. The small-tonnage crane truck support leg oil cylinder anti-collision device comprises a cylindrical dustproof protective main cover, which sleeves a support leg oil cylinder and an oil cylinder piston rod. The upper end and the lower end of the dustproof protective main cover are fixed onto the inner walls of an upper connecting ring and a lower connecting ring respectively; the outer walls of the upper connecting ring and the lower connecting ring are circumferentially, uniformly and fixedly provided with a plurality of anti-collision rods; every anti-collision rod is uniformly provided with a plurality of rotating rings in a sleeve mode from top to bottom; both sides of every upper rotating ring on the anti-collision rods are provided with rotating ring limiting units; the surface of every upper rotating ring is circumferentially and uniformly provided with a plurality of upper connecting ring threaded through holes, and every upper connecting ring is fixed onto a support leg cross arm through a bolt. The small-tonnage crane truck support leg oil cylinder anti-collision device integrates the functions of pollution prevention and collision resistance, guarantees normal usage of the support leg oil cylinder and the piston rod and prolongs the service life of equipment.
Description
Technical field
The utility model relates to a kind of anticollision device, relates in particular to a kind of little tonnage automobile crane supporting leg oil cylinder anticollision device.
Background technology
Car hosit is a kind of hoisting crane being contained on general-utility car chassis or cars chassis, and its travel operator's compartment and lifting control cabin divide and be arranged.Car hosit have manoevreability good, shift advantage rapidly.But car hosit must stretch out supporting leg to keep stable when operation.At present, car hosit is that output is maximum, most popular crane type.
The supporting leg of existing car hosit generally comprises the supporting leg transverse arm that front end is provided with oil cylinder seat, is provided with support oil cylinder in oil cylinder seat, and the bottom of support oil cylinder is fixedly installed circular leg disc.During automobile crane machine operation, under the effect of support oil cylinder, leg disc falls to contacting with ground, for car hosit provides support.Existing automobile crane supporting leg oil cylinder its piston rod when work is completely outside exposed, is very easily subject to the pollutions such as earth in external environment condition, is vulnerable to external force collision simultaneously, causes piston rod damaged, causes oil cylinder leakage of oil, and whole support oil cylinder is scrapped.
Utility model content
The purpose of this utility model is to provide a kind of little tonnage automobile crane supporting leg oil cylinder anticollision device, can have anti-pollution and two functions of anticollision concurrently, guarantees the normal use of support oil cylinder and piston rod, extension device service life.
The utility model adopts following technical proposals:
A kind of little tonnage automobile crane supporting leg oil cylinder anticollision device, comprise the main cover of columnar proofing dust and protecting that is set in support oil cylinder and cylinder piston rod outside, the outer wall of two ends up and down of the main cover of proofing dust and protecting is separately fixed on the internal ring wall of coupling link and lower coupling link; On the outer wall of upper coupling link and lower coupling link, along being circumferentially evenly fixed with many crash bars, every crash bar is evenly arranged with a plurality of swivel eyes from top to bottom, and on crash bar, the both sides up and down of swivel eye are provided with swivel eye inhibiting device; Upper coupling link surface is along being circumferentially evenly provided with a plurality of upper coupling link tapped through holees, and upper coupling link is bolted on supporting leg transverse arm.
Between described upper coupling link and lower coupling link, be also provided with many group support rings, the outer wall of the internal ring wall of support ring and the main cover of proofing dust and protecting is fixed, and the external annulus of support ring and many crash bars are fixed.
Also comprise extension apparatus; described extension apparatus comprises base ring and proofing dust and protecting extension cover; base ring surface is along being circumferentially evenly provided with a plurality of base ring tapped bore; proofing dust and protecting is extended the lower end outer wall of cover and the internal ring wall of base ring is fixed; proofing dust and protecting is extended the inside, lower end that the upper end of covering is arranged on the main cover of proofing dust and protecting; lower coupling link surface, along being circumferentially evenly provided with the lower coupling link tapped through hole corresponding with base ring tapped bore, is provided with adjusting bolt between base ring and lower coupling link.
The main cover of described proofing dust and protecting and proofing dust and protecting are extended cover and are adopted the main cover of corrosion-resistant steel proofing dust and protecting and corrosion-resistant steel proofing dust and protecting to extend cover.
Described crash bar adopts reinforcing bar crash bar.
Described swivel eye adopts small size bearing.
Between described base ring inner side and oil cylinder piston boom end outside, be provided with rubber ring.
Described base ring surface is also provided with ground latch.
The utility model is connected to the main cover of proofing dust and protecting between upper coupling link and lower coupling link by setting, can avoid the pollutions such as earth in external environment condition enter in support oil cylinder or be attached on cylinder piston rod; The utility model also on the outer wall of upper coupling link and lower coupling link along being circumferentially evenly fixed with many crash bars, there is stronger hardness, can prevent that support oil cylinder and cylinder piston rod are because suffering outside shock to cause the phenomenon of damage; Also at every crash bar, be evenly arranged with from top to bottom a plurality of swivel eyes simultaneously, direct impact is decomposed by rotatablely moving of swivel eye, thereby reduce the positive impulsive force that crash bar is subject to, reduce the direct impact to support oil cylinder and cylinder piston rod.In order further to strengthen crashproof effect of the present utility model, many group support rings are also set between upper coupling link and lower coupling link, can increase firm performance of the present utility model and crashworthiness, avoid the distortion of crash bar simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is mounting structure cross-sectional schematic of the present utility model.
The specific embodiment
As depicted in figs. 1 and 2; little tonnage automobile crane supporting leg oil cylinder described in the utility model 1 anticollision device; comprise the main cover 3 of columnar proofing dust and protecting that is set in support oil cylinder 1 and cylinder piston rod 2 outsides, the main cover 3 of proofing dust and protecting is for realizing the dust reduction capability of whole support oil cylinder 1 and most cylinder piston rod 2.The outer wall of two ends up and down of the main cover 3 of proofing dust and protecting is separately fixed on the internal ring wall of coupling link 4 and lower coupling link 5; the main cover of proofing dust and protecting 3 adopts the main cover of corrosion-resistant steel proofing dust and protecting, can avoid pollution such as earth in most external environment condition to enter into support oil cylinder 1 interior or be attached on cylinder piston rod 2.On the outer wall of upper coupling link 4 and lower coupling link 5, along being circumferentially evenly fixed with many crash bars 6, crash bar 6 adopts reinforcing bar crash bar, has stronger hardness, can prevent that support oil cylinder 1 and cylinder piston rod 2 are because suffering outside shock to cause the phenomenon of damaging.
In the utility model, every crash bar 6 is evenly arranged with a plurality of swivel eyes 7 from top to bottom, on crash bar 6, the both sides up and down of swivel eye 7 are provided with swivel eye inhibiting device, and swivel eye 7 adopts small size bearing, and swivel eye inhibiting device can adopt nut or the locating piece of welding.The use that swivel eye 7 is set is intended to direct impact to decompose by rotatablely moving of swivel eye 7, thereby reduces the positive impulsive force that crash bar 6 is subject to, and reduces the direct impact to support oil cylinder 1 and cylinder piston rod 2.In order further to strengthen crashproof effect of the present utility model, between upper coupling link 4 and lower coupling link 5, be also provided with many group support rings 8, the outer wall of the main cover 3 of the internal ring wall of support ring 8 and proofing dust and protecting is fixed, and the external annulus of support ring 8 and many crash bars 6 are fixing.By many group support rings 8 are set, can increase firm performance of the present utility model and crashworthiness, avoid the distortion of crash bar 6 simultaneously.
Upper coupling link 4 surfaces are along being circumferentially evenly provided with a plurality of upper coupling link tapped through holees 11, and upper coupling link 4 is fixed on supporting leg transverse arm 9 by bolt of rear end plate 10, realizes the fixing of this device and little tonnage car hosit; Meanwhile, adopt bolt of rear end plate 10 to be fixed to be also convenient to staff the utility model is changed.
In actual working environment, the operational space that the fixedly needs of the utility model and little tonnage car hosit are certain, and consider that real work exists error distance between coupling link 5 and ground at present, the utility model also comprises extension apparatus.Described extension apparatus comprises base ring 12 and proofing dust and protecting extension cover 13; base ring 12 surfaces are along being circumferentially evenly provided with a plurality of base ring tapped bore; proofing dust and protecting is extended the lower end outer wall of cover 13 and the internal ring wall of base ring 12 is fixed; the upper end of proofing dust and protecting extension cover 13 is arranged on the inside, lower end of the main cover 3 of proofing dust and protecting; lower coupling link 5 surfaces, along being circumferentially evenly provided with the lower coupling link tapped through hole corresponding with base ring tapped bore, are provided with adjusting bolt 14 between base ring 12 and lower coupling link 5.Extension apparatus is set and can reduces the phenomenon that enters earth dust in space between ground and coupling link 5, also can strengthen steadiness of the present utility model and crashworthiness simultaneously.In order further to strengthen dust-proof effect of the present utility model, between base ring 12 inner sides and cylinder piston rod 2 outsides, end, be provided with rubber ring 15.In order further to strengthen steadiness of the present utility model and crashworthiness, base ring 12 surfaces are also provided with the ground latch 16 that can insert in earth.
Claims (8)
1. one kind little tonnage automobile crane supporting leg oil cylinder anticollision device, it is characterized in that: comprise the main cover of columnar proofing dust and protecting that is set in support oil cylinder and cylinder piston rod outside, the outer wall of two ends up and down of the main cover of proofing dust and protecting is separately fixed on the internal ring wall of coupling link and lower coupling link; On the outer wall of upper coupling link and lower coupling link, along being circumferentially evenly fixed with many crash bars, every crash bar is evenly arranged with a plurality of swivel eyes from top to bottom, and on crash bar, the both sides up and down of swivel eye are provided with swivel eye inhibiting device; Upper coupling link surface is along being circumferentially evenly provided with a plurality of upper coupling link tapped through holees, and upper coupling link is bolted on supporting leg transverse arm.
2. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 1; it is characterized in that: between described upper coupling link and lower coupling link, be also provided with many group support rings; the outer wall of the internal ring wall of support ring and the main cover of proofing dust and protecting is fixed, and the external annulus of support ring and many crash bars are fixed.
3. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 2, it is characterized in that: also comprise extension apparatus, described extension apparatus comprises base ring and proofing dust and protecting extension cover, base ring surface is along being circumferentially evenly provided with a plurality of base ring tapped bore, proofing dust and protecting is extended the lower end outer wall of cover and the internal ring wall of base ring is fixed, proofing dust and protecting is extended the inside, lower end that the upper end of covering is arranged on the main cover of proofing dust and protecting, lower coupling link surface is along being circumferentially evenly provided with the lower coupling link tapped through hole corresponding with base ring tapped bore, between base ring and lower coupling link, be provided with adjusting bolt.
4. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 3, is characterized in that: the main cover of described proofing dust and protecting and proofing dust and protecting are extended cover and adopted the main cover of corrosion-resistant steel proofing dust and protecting and corrosion-resistant steel proofing dust and protecting to extend cover.
5. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 4, is characterized in that: described crash bar adopts reinforcing bar crash bar.
6. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 5, is characterized in that: described swivel eye adopts small size bearing.
7. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 6, is characterized in that: between described base ring inner side and oil cylinder piston boom end outside, be provided with rubber ring.
8. little tonnage automobile crane supporting leg oil cylinder anticollision device according to claim 7, is characterized in that: described base ring surface is also provided with ground latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340865.8U CN203877810U (en) | 2014-06-24 | 2014-06-24 | Small-tonnage crane truck support leg oil cylinder anti-collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340865.8U CN203877810U (en) | 2014-06-24 | 2014-06-24 | Small-tonnage crane truck support leg oil cylinder anti-collision device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203877810U true CN203877810U (en) | 2014-10-15 |
Family
ID=51678335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340865.8U Expired - Fee Related CN203877810U (en) | 2014-06-24 | 2014-06-24 | Small-tonnage crane truck support leg oil cylinder anti-collision device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203877810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652614A (en) * | 2019-01-31 | 2019-04-19 | 山东鲁墨工业科技有限公司 | A kind of universal type send argon device automatically |
-
2014
- 2014-06-24 CN CN201420340865.8U patent/CN203877810U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652614A (en) * | 2019-01-31 | 2019-04-19 | 山东鲁墨工业科技有限公司 | A kind of universal type send argon device automatically |
| CN109652614B (en) * | 2019-01-31 | 2021-01-05 | 山东鲁墨工业科技有限公司 | Universal automatic argon feeding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160624 |