CN110127543A - A kind of novel base construction of lorry-mounted crane twin-stage leg form - Google Patents
A kind of novel base construction of lorry-mounted crane twin-stage leg form Download PDFInfo
- Publication number
- CN110127543A CN110127543A CN201910422456.XA CN201910422456A CN110127543A CN 110127543 A CN110127543 A CN 110127543A CN 201910422456 A CN201910422456 A CN 201910422456A CN 110127543 A CN110127543 A CN 110127543A
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- leg
- supporting leg
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- 238000009411 base construction Methods 0.000 title claims abstract description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 210000000481 breast Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The present invention relates to crane field of engineering technology, and disclose a kind of novel base construction of lorry-mounted crane twin-stage leg form, including pedestal turntable body, base body channel, two level-one supporting legs and two second level supporting legs, base body channel is fixed at the side of pedestal turntable body, and base body channel is two parallel body structure settings, two level-one supporting legs are located at the two sides setting in base body channel, and two opposite both ends of level-one supporting leg extend respectively to two box houses in base body channel and are slidably connected with base body channel, level-one supporting leg is that the body structure of single-chamber is arranged.Pedestal turntable body is fixedly connected by the present invention with base body channel, and is realized twin-stage supporting leg retractable mechanism by single cylinder and be can satisfy safe span, guarantees that supporting leg steadily stretches, reduce the failure rate of pedestal, and structure is simply at low cost, and it is easy to accomplish, reduce the maintenance cost in later period.
Description
Technical field
The present invention relates to crane field of engineering technology more particularly to a kind of novel bases of lorry-mounted crane twin-stage leg form
Holder structure.
Background technique
Lorry-mounted crane, which refers to, to be mounted on automobile chassis, and vertical-lift and horizontal carrying heavy goods is more in a certain range
Hoisting machinery, also known as truck-mounted crane are acted, material carrying machine is belonged to, stability when to guarantee that lorry-mounted crane uses needs
On the chassis of automobile, installation has the pedestal of two-stage stretching supporting leg form.
In the prior art, base construction generally uses two-stage hydraulic oil cylinder control supporting leg to realize flexible, and supporting leg, which uses, is
The telescoping structure of built-in oil cylinder, infrastructure cost is high, and structure is complicated for manufacture, and fit-up gap is more demanding, is easy to appear failure, and
Pedestal turntable is connect with base channel using the structure of floating crossbeam, and stability is poor, is easily deformed, and influences operation safety, therefore
It is proposed a kind of novel base construction of lorry-mounted crane twin-stage leg form.
Summary of the invention
The purpose of the present invention is to solve base constructions in the prior art, and two-stage hydraulic oil cylinder generally to be used to control supporting leg
Realize it is flexible, supporting leg use be built-in oil cylinder telescoping structure, infrastructure cost is high, and structure is complicated for manufacture, and fit-up gap is wanted
It asks higher, is easy to appear failure, and pedestal turntable is connect with base channel using the structure of floating crossbeam, stability is poor, is easy
The problem of deforming, influencing operation safety, and a kind of novel base construction of the lorry-mounted crane twin-stage leg form proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of novel base construction of lorry-mounted crane twin-stage leg form, including pedestal turntable body, base body channel, two
Level-one supporting leg and two second level supporting legs, the base body channel are fixed at the side of pedestal turntable body, and base body channel
For two parallel body structure settings, two level-one supporting legs are located at the two sides setting in base body channel, and two
The opposite both ends of level-one supporting leg extend respectively to two box houses in base body channel and are slidably connected with base body channel, institute
It states the body structure that level-one supporting leg is single-chamber to be arranged, the two sides that two second level supporting legs are located at two level-one supporting legs are set
It sets, and two opposite both ends of second level supporting leg extend respectively to the inside setting of two level-one supporting legs, two second level supporting legs
It is the body structure setting of single-chamber, the bosom position of two level-one supporting legs is fixedly connected to one group and is symmetrical arranged
Traction axle sleeve, described in every group draw axle sleeve inside be fixedly connected to towing pin, the inside phase of two second level supporting legs
Close both ends are fixedly connected to traction round steel, and two opposite both ends of the traction round steel extend respectively to two level-one branch
The inside of leg is arranged, and two traction round steel are mounted with two towing pin activities respectively, two cabinets in the base body channel
Inside is equipped with cross cylinder, and two mutually close both ends of cabinet in the base body channel are fixedly connected to rodless cavity axis
Set, the inside of two rodless cavity axle sleeves is fixedly connected to rodless cavity pin shaft, the opposite both ends of two cross cylinders
It is fixedly connected respectively with two rodless cavity pin shafts, the both ends that the inside of two second level supporting legs is opposite have been fixedly connected to bar
Chamber axle sleeve, the inside of two rod chamber axle sleeves are fixedly connected to rod chamber pin shaft, and two cross cylinders are opposite
Both ends are fixedly connected with two rod chamber pin shafts respectively, and the both ends that the lower wall of two second level supporting legs is opposite are fixedly connected with
There is support cylinder.
Preferably, the inside of the level-one supporting leg is fixedly connected with supporting leg cant board, and the second level supporting leg is located at supporting leg side
The sliding setting in the inside of vertical plate.
Preferably, the lower wall of the second level supporting leg is fixedly connected with leg bottom support plate, leg bottom support plate and level-one
The lower inner sidewall of supporting leg is slidably connected.
Preferably, the lower end of the support cylinder is fixedly connected with support leg, and the bottom of the support leg is fixedly connected with
Non-slip mat.
Preferably, symmetrically arranged fixed plate there are two being fixedly connected on front side of the pedestal turntable body, described in two
The surface of fixed plate offers kidney-shaped fixation hole.
Preferably, the pedestal turntable body and base body channel are fixedly connected by welding.
Preferably, the upper end of the support cylinder is fixedly connected by multiple fixing bolts with the lower wall of second level supporting leg.
Preferably, the inner sidewall in the base body channel and the inner sidewall of level-one supporting leg are smooth setting.
Preferably, the outer surface of the base body channel, level-one supporting leg and second level supporting leg is coated with anticorrosive paint.
Compared with prior art, the present invention provides a kind of novel base construction of lorry-mounted crane twin-stage leg form, tools
It is standby following the utility model has the advantages that
1, the novel base construction of the lorry-mounted crane twin-stage leg form, can be by pedestal by the base turntable body being equipped with
Structure is fixed on automobile chassis, can apply thrust to two rod chamber pin shafts by two cross cylinders being equipped with,
Two rod chamber pin shafts can apply thrust to two rod chamber axle sleeves, and two rod chamber axle sleeves can apply two second level supporting legs
Add thrust, so as to push two second level supporting leg reverse movements, and is moved to the external setting of two level-one supporting legs, and two
Second level supporting leg is able to drive two traction round steel reverse movements when moving backward, two traction round steel reverse movements can be to two
Towing pin applies pulling force, to drive two towing pin reverse movements, it is reversed that two towing pins are able to drive two traction axle sleeves
Mobile, two traction axle sleeves are able to drive two level-one supporting leg reverse movements, and two level-one supporting legs can be made logical to base body
The two sides in road remove, can be with ground phase by two support cylinders being equipped with so as to increase the span after pedestal expansion
Support, so as to be supported to second level supporting leg, convenient for carrying out stablizing support to automobile, after use, by support cylinder to
Upper contraction, and second level supporting leg can be collapsible into level-one supporting leg by cross cylinder, and level-one supporting leg is driven to be moved to pedestal
In body channel, so as to shrink pedestal, it can guarantee that supporting leg steadily stretches, reduce the failure rate of pedestal.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention is by base
Pedestal turntable is fixedly connected with base body channel, and is realized twin-stage supporting leg retractable mechanism by single cylinder and be can satisfy safety
Span guarantees that supporting leg steadily stretches, reduces the failure rate of pedestal, and structure is simply at low cost, easy to accomplish, reduces the dimension in later period
Protect cost of upkeep.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the novel base construction of lorry-mounted crane twin-stage leg form proposed by the present invention；
Fig. 2 is that a kind of structure of the novel base construction part A of lorry-mounted crane twin-stage leg form proposed by the present invention is put
Big figure；
A kind of Fig. 3 receipts leg state signal of the novel base construction of lorry-mounted crane twin-stage leg form proposed by the present invention
Figure；
Fig. 4 is the schematic diagram of internal structure of Fig. 3.
In figure: 1 pedestal turntable body, 2 base body channels, 3 level-one supporting legs, 4 second level supporting legs, 5 traction axle sleeves, 6 towing pins, 7
Draw round steel, 8 cross cylinders, 9 rodless cavity axle sleeves, 10 rodless cavity pin shafts, 11 rod chamber axle sleeves, 12 rod chamber pin shafts, 13 supports
Oil cylinder, 14 supporting leg cant boards, 15 leg bottom support plates, 16 support legs, 17 fixed plates.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of novel base construction of lorry-mounted crane twin-stage leg form, including pedestal turntable body 1, pedestal
2, two, body channel level-one supporting leg 3 and two second level supporting legs 4, base body channel 2 are fixed at the side of pedestal turntable body 1,
And base body channel 2 is two parallel body structure settings, two level-one supporting legs 3 are located at the two sides in base body channel 2
Setting, and two opposite both ends of level-one supporting leg 3 extend respectively to two box houses in base body channel 2 and lead to base body
Road 2 is slidably connected, and level-one supporting leg 3 is that the body structure of single-chamber is arranged, and two second level supporting legs 4 are located at two level-one supporting legs 3
Two sides setting, and two opposite both ends of second level supporting leg 4 extend respectively to two level-one supporting legs 3 inside setting, two two
Grade supporting leg 4 be single-chamber body structure setting, the bosom position of two level-one supporting legs 3 be fixedly connected to one group it is symmetrical
The traction axle sleeve 5 of setting, the inside of every group of traction axle sleeve 5 are fixedly connected to towing pin 6, the inside phase of two second level supporting legs 4
Close both ends are fixedly connected to traction round steel 7, and two opposite both ends of traction round steel 7 extend respectively to two level-one supporting legs
3 inside setting, and two traction round steel 7 are mounted with two 6 activities of towing pin respectively, in two cabinets in base body channel 2
Portion is equipped with cross cylinder 8, and two mutually close both ends of cabinet in base body channel 2 are fixedly connected to rodless cavity axle sleeve 9, and two
The inside of a rodless cavity axle sleeve 9 is fixedly connected to rodless cavity pin shaft 10, the opposite both ends of two cross cylinders 8 respectively with two
Rodless cavity pin shaft 10 is fixedly connected, and the opposite both ends in the inside of two second level supporting legs 4 are fixedly connected to rod chamber axle sleeve 11, and two
The inside of a rod chamber axle sleeve 11 is fixedly connected to rod chamber pin shaft 12, and the opposite both ends of two cross cylinders 8 are respectively with two
A rod chamber pin shaft 12 is fixedly connected, and the opposite both ends of the lower wall of two second level supporting legs 4 are fixedly connected to support cylinder 13,
Thrust can be applied to two rod chamber pin shafts 12 by two cross cylinders 8 being equipped with, two rod chamber pin shafts 12 can be right
Two rod chamber axle sleeves 11 apply thrust, and two rod chamber axle sleeves 11 can apply thrust to two second level supporting legs 4, so as to
It pushes two second level supporting legs 4 to move backward, and is moved to the external setting of two level-one supporting legs 3, and two second level supporting legs 4 are reversed
Two traction round steel 7 reverse movements are able to drive when mobile, two traction round steel 7 reverse movements can apply two towing pins 6
Add pulling force, so that two towing pins 6 be driven to move backward, two towing pins 6 are able to drive two traction axle sleeves 5 and move backward,
Two traction axle sleeves 5 are able to drive two level-one supporting legs 3 and move backward, and two level-one supporting legs 3 can be made from base body channel 2
Two sides remove, and so as to increase the span after pedestal expansion, can be offseted with ground by two support cylinders 13 being equipped with,
So as to be supported to second level supporting leg 4, convenient for carrying out stablizing support to automobile.
The inside of level-one supporting leg 3 is fixedly connected with supporting leg cant board 14, and second level supporting leg 4 is located at the inside of supporting leg cant board 14
Sliding setting, can be improved the intensity of level-one supporting leg 3, and it is more steady when moving inside level-one supporting leg 3 that second level supporting leg 4 can be made to be located at
It is fixed.
The lower wall of second level supporting leg 4 is fixedly connected with leg bottom support plate 15, and leg bottom support plate 15 is lower interior with level-one supporting leg 3
Side walls connection, can be improved the bottom strength of second level supporting leg 4, bottom and level-one supporting leg 3 when reducing the movement of second level supporting leg 4
Abrasion.
The lower end of support cylinder 13 is fixedly connected with support leg 16, and the bottom of support leg 16 is fixedly connected with non-slip mat, energy
Enough increase the lower end of support cylinder 13 and the contact area on ground, improves stability of strutting system.
The front side of pedestal turntable body 1 is fixedly connected there are two symmetrically arranged fixed plate 17, the table of two fixed plates 17
Face offers kidney-shaped fixation hole, convenient for pedestal turntable body 1 to be fixedly connected with automobile chassis.
Pedestal turntable body 1 and base body channel 2 are fixedly connected by welding, and pedestal turntable body 1 and base body can be made logical
Road 2 is fixedly connected with stabilization, forms an entirety, is unlikely to deform.
The upper end of support cylinder 13 is fixedly connected by multiple fixing bolts with the lower wall of second level supporting leg 4, can will be propped up
Support oil cylinder 13 is fixedly connected securely with second level supporting leg 4, and maintenance easy to disassemble.
The inner sidewall in base body channel 2 and the inner sidewall of level-one supporting leg 3 are smooth setting, can reduce base body channel
The frictional force being subject to is slided between 2 and level-one supporting leg 3 and level-one supporting leg 3 and second level supporting leg 4, reduces abrasion.
The outer surface in base body channel 2, level-one supporting leg 3 and second level supporting leg 4 is coated with anticorrosive paint, avoids base body channel
2, level-one supporting leg 3 and second level supporting leg 4 are corroded damage after being used for a long time, and prolong the service life.
In the present invention, in use, base construction can be fixed at automobile chassis by the base turntable body 1 being equipped with
On, thrust can be applied to two rod chamber pin shafts 12 by two cross cylinders 8 being equipped with, two rod chamber pin shafts 12 can
Thrust is applied to two rod chamber axle sleeves 11, two rod chamber axle sleeves 11 can apply thrust to two second level supporting legs 4, so as to
Enough two second level supporting legs 4 is pushed to move backward, and is moved to the external setting of two level-one supporting legs 3, and two second level supporting legs 4 are anti-
To two traction round steel 7 reverse movements are able to drive when movement, two traction round steel 7 reverse movements can be to two towing pins 6
Apply pulling force, so that two towing pins 6 be driven to move backward, two towing pins 6 are able to drive two traction axle sleeves 5 and reversely move
Dynamic, two traction axle sleeves 5 are able to drive two level-one supporting legs 3 and move backward, and two level-one supporting legs 3 can be made from base body channel
2 two sides remove, can be with ground phase by two support cylinders 13 being equipped with so as to increase the span after pedestal expansion
It supports, so as to be supported to second level supporting leg 4, convenient for carrying out stablizing support to automobile, after use, by support cylinder 13
It shrinks, and second level supporting leg 4 can be collapsible into level-one supporting leg 3 by cross cylinder 8 upwards, and drive level-one supporting leg 3 mobile
Into base body channel 2, so as to shrink pedestal, it can guarantee that supporting leg steadily stretches, reduce the failure rate of pedestal,
Improve operational security.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of novel base construction of lorry-mounted crane twin-stage leg form, including pedestal turntable body (1), base body channel (2),
Two level-one supporting legs (3) and two second level supporting legs (4), which is characterized in that the base body channel (2) is fixed at base body
The side of turntable (1), and base body channel (2) are two parallel body structure settings, two level-one supporting legs (3) are respectively
Two sides positioned at base body channel (2) are arranged, and two opposite both ends of level-one supporting leg (3) extend respectively to base body channel
(2) two box houses are simultaneously slidably connected with base body channel (2), and the level-one supporting leg (3) is that the body structure of single-chamber is set
It sets, two second level supporting legs (4) are located at the two sides setting of two level-one supporting legs (3), and two second level supporting legs (4) are opposite
Both ends extend respectively to two level-one supporting legs (3) inside setting, two second level supporting legs (4) are the cabinet knot of single-chamber
Structure setting, the bosom position of two level-one supporting legs (3) is fixedly connected to one group of symmetrically arranged traction axle sleeve
(5), the inside that axle sleeve (5) are drawn described in every group is fixedly connected to towing pin (6), the inside of two second level supporting legs (4)
Mutually close both ends are fixedly connected to traction round steel (7), and two opposite both ends of traction round steel (7) extend respectively to two
The inside of a level-one supporting leg (3) is arranged, and two traction round steel (7) mount with two towing pin (6) activities respectively, the pedestal
Two box houses in body channel (2) are equipped with cross cylinder (8), and two cabinets of the base body channel (2) are mutually close
Both ends are fixedly connected to rodless cavity axle sleeve (9), and the inside of two rodless cavity axle sleeves (9) is fixedly connected to rodless cavity pin
Axis (10), the opposite both ends of two cross cylinders (8) are fixedly connected with two rodless cavity pin shafts (10) respectively, described in two
The opposite both ends in the inside of second level supporting leg (4) are fixedly connected to rod chamber axle sleeve (11), two rod chamber axle sleeves (11)
Inside be fixedly connected to rod chamber pin shaft (12), there is bar at two opposite both ends of the cross cylinder (8) with two respectively
Chamber pin shaft (12) is fixedly connected, and the both ends that the lower wall of two second level supporting legs (4) is opposite are fixedly connected to support cylinder
(13)。
2. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
The inside for stating level-one supporting leg (3) is fixedly connected with supporting leg cant board (14), and the second level supporting leg (4) is located at supporting leg cant board (14)
The sliding setting in inside.
3. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
The lower wall for stating second level supporting leg (4) is fixedly connected with leg bottom support plate (15), leg bottom support plate (15) and level-one supporting leg (3)
Lower inner sidewall be slidably connected.
4. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
The lower end for stating support cylinder (13) is fixedly connected with support leg (16), and the bottom of the support leg (16) is fixedly connected with anti-skidding
Pad.
5. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
It states there are two being fixedly connected on front side of pedestal turntable body (1) symmetrically arranged fixed plate (17), two fixed plates (17)
Surface offer kidney-shaped fixation hole.
6. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
It states pedestal turntable body (1) and base body channel (2) is fixedly connected by welding.
7. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
The upper end for stating support cylinder (13) is fixedly connected by multiple fixing bolts with the lower wall of second level supporting leg (4).
8. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
The inner sidewall of the inner sidewall and level-one supporting leg (3) of stating base body channel (2) is smooth setting.
9. a kind of novel base construction of lorry-mounted crane twin-stage leg form according to claim 1, which is characterized in that institute
The outer surface for stating base body channel (2), level-one supporting leg (3) and second level supporting leg (4) is coated with anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422456.XA CN110127543A (en) | 2019-05-21 | 2019-05-21 | A kind of novel base construction of lorry-mounted crane twin-stage leg form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422456.XA CN110127543A (en) | 2019-05-21 | 2019-05-21 | A kind of novel base construction of lorry-mounted crane twin-stage leg form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110127543A true CN110127543A (en) | 2019-08-16 |
Family
ID=67571711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422456.XA Pending CN110127543A (en) | 2019-05-21 | 2019-05-21 | A kind of novel base construction of lorry-mounted crane twin-stage leg form |
Country Status (1)
| Country | Link |
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| CN (1) | CN110127543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117208791A (en) * | 2023-09-25 | 2023-12-12 | 河南骏通车辆有限公司 | Double-support leg structure and automobile crane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1847505A2 (en) * | 2006-04-19 | 2007-10-24 | Cifa S.p.A. | Movable pump for concrete provided with an improved stabilisation system |
| CN203461737U (en) * | 2013-08-01 | 2014-03-05 | 辽宁瑞丰专用车制造有限公司 | Telescopic device of two-stage movable supporting legs |
| CN108298445A (en) * | 2017-12-12 | 2018-07-20 | 湖南百特随车起重机有限公司 | A kind of two-stage stretching formula leg system |
| CN210001498U (en) * | 2019-05-21 | 2020-01-31 | 安徽星马专用汽车有限公司 | Novel base structure in double-stage leg form of lorry-mounted crane |
-
2019
- 2019-05-21 CN CN201910422456.XA patent/CN110127543A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1847505A2 (en) * | 2006-04-19 | 2007-10-24 | Cifa S.p.A. | Movable pump for concrete provided with an improved stabilisation system |
| CN203461737U (en) * | 2013-08-01 | 2014-03-05 | 辽宁瑞丰专用车制造有限公司 | Telescopic device of two-stage movable supporting legs |
| CN108298445A (en) * | 2017-12-12 | 2018-07-20 | 湖南百特随车起重机有限公司 | A kind of two-stage stretching formula leg system |
| CN210001498U (en) * | 2019-05-21 | 2020-01-31 | 安徽星马专用汽车有限公司 | Novel base structure in double-stage leg form of lorry-mounted crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117208791A (en) * | 2023-09-25 | 2023-12-12 | 河南骏通车辆有限公司 | Double-support leg structure and automobile crane |
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