CN108532601B - Upright post of highway guardrail pile driving and pulling machine - Google Patents
Upright post of highway guardrail pile driving and pulling machine Download PDFInfo
- Publication number
- CN108532601B CN108532601B CN201810703879.4A CN201810703879A CN108532601B CN 108532601 B CN108532601 B CN 108532601B CN 201810703879 A CN201810703879 A CN 201810703879A CN 108532601 B CN108532601 B CN 108532601B
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- lifting
- upright post
- auxiliary
- fixed
- sliding plate
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
A column of a highway guardrail pile driving and pulling machine belongs to a highway guardrail pile driving and pulling machine. The stand includes: upright post pitching shafts, lifting upright posts, fixed upright posts, auxiliary upright posts and auxiliary lifting cylinders; the outer side of the fixed upright post is fixedly connected with an upright post pitching shaft, the fixed upright post is connected with a lifting upright post in a sliding way, and the upper end of the lifting upright post is connected with an auxiliary upright post; an auxiliary lifting cylinder is connected between the fixed upright post and the lifting upright post, and is connected with two sides of the lifting upright post, a single-side round hole or a rear lug plate through anchor ears or rear lug plates on two sides and a single side of the fixed upright post, and the auxiliary lifting cylinder drives the lifting upright post to move in a fixed slideway of the fixed upright post; and (5) adjusting the height of the lifting upright post. The advantages are that: 1. the verticality of the driven pile is high, and the operation is simple. 2. The vibration of the whole machine is small, the service life of the whole machine is prolonged, and the comfort of a driver in operation is improved. 3. The main lifting cylinders and the auxiliary upright posts with different lengths have higher piling heights, so that different working condition demands are met.
Description
Technical Field
The invention relates to a highway guardrail pile driving and pulling machine, in particular to a column of the highway guardrail pile driving and pulling machine.
Background
At present, people need to set up the anticollision barrier on the highway for traffic safety when building or maintaining the highway, and general anticollision barrier board is installed on the guardrail stake, and the guardrail stake need to be driven into the ground with hydraulic pile driver, hydraulic pile driver (in fig. 1) include: the hydraulic pile driving device comprises an upright post (1-1), a pressing arm cylinder (1-2), a ladder frame (1-3), a walking motor (1-4), a hydraulic oil tank (1-5), a radiator (1-6), a lower frame (1-7), a walking assembly (1-8), a multi-way operation valve handle (1-9), a seat (1-10), a pitching cylinder (1-11), a diesel engine (1-12), a tilting cylinder (1-13), a pressing arm (1-14), a sliding plate (1-17), a hydraulic hammer (1-15), a pile driving cap (1-16), a transverse beam (1-18) and a rear supporting rod (1-19).
The upright posts are two parallel upright posts, and an upright post track is arranged between the two upright posts; one end of the pressing arm (1-14) is positioned at the position of the upright post track, the end part of the pressing arm (1-14) is connected with a sliding plate (1-17), the sliding plate is positioned on the upright post track, and the sliding plate (1-17) slides up and down on the upright post track under the driving of the pressing arm (1-14).
The existing machine should have structural reasons, which can cause the following problems:
1. the height of the upright post track is short, the stroke of the sliding plate is small, the stroke is short during piling, and the requirement of partial construction cannot be met.
2. The hydraulic hammer is hard connected with the pile driver during piling, and the pushing arm is used for exerting pushing force on the sliding plate to perform piling construction, so that the whole machine vibrates too much, the operation comfort of a driver is greatly reduced, the abrasion of equipment is accelerated, and the service life of the equipment is prolonged.
Disclosure of Invention
The invention aims to provide a stand column of a highway guardrail pile driving and pulling machine, which solves the problems of shorter stroke and overlarge vibration during pile driving.
The technical scheme of the invention is realized as follows: the stand includes: the lifting column comprises a column pitching shaft, a lifting column, a fixed column, an auxiliary column and an auxiliary lifting cylinder; the outer side of the fixed upright post is fixedly connected with an upright post pitching shaft, the fixed upright post is connected with a lifting upright post in a sliding manner, and the upper end of the lifting upright post is connected with an auxiliary upright post; an auxiliary lifting cylinder is connected between the fixed upright post and the lifting upright post, and drives the lifting upright post to move in a fixed slideway of the fixed upright post; and (5) adjusting the height of the lifting upright post.
The fixed upright post comprises a fixed cross beam, a pitching supporting plate, a sliding plate and a sliding plate lifter; the fixed upright posts are two fixed slide ways, a fixed cross beam is externally connected between the two fixed slide ways, a lifting upright post is arranged in the space between the two fixed slide ways, the lifting upright posts are two lifting slide ways, a sliding plate is arranged between the two lifting slide ways, the sliding plate is connected with a sliding plate lifter, and the sliding plate lifter drives the sliding plate lifting slide ways and the inner slide ways of the auxiliary upright posts to move up and down; the fixed upright post is connected with a pitching supporting plate.
The auxiliary upright post comprises an auxiliary upright post flange and auxiliary hinges, the two ends of the auxiliary upright post are connected with the auxiliary upright post flange, the auxiliary upright post flange is in an opening shape at one end, the outer end of one side is connected with the auxiliary hinges, and the fixing bolts of the lifting upright post and the auxiliary upright post are removed to enable the auxiliary hinges to be hinged; the auxiliary upright post is connected with the corresponding flange at the upper end of the lifting upright post through the lower auxiliary upright post flange, so that the length of the lifting upright post is prolonged, and the travel of the sliding plate is increased.
A limiting frame is fixed on the lifting upright post through a bolt, and the lowest descending height of the beating and pulling hammer clamping plate combination body is adjusted; the lifting upright post is connected with a pile gripper through a bolt.
The skateboard lifter includes: the lifting device comprises a main lifting cylinder, a lifting pulley and a lifting chain; a sliding plate is arranged between the lifting slide ways of the two lifting upright posts, the sliding plate can slide in the lifting upright posts and the auxiliary upright posts, the main lifting cylinder is connected with the lifting upright posts through anchor clamps or flanges, the upper end of the main lifting cylinder is connected with a lifting pulley, the lower end of the main lifting cylinder is connected onto a supporting column through a flange, and the supporting column is connected onto the lifting upright posts through anchor clamps or flanges; one end of a lifting chain is fixed on the lifting upright post or the auxiliary upright post, the other end of the lifting chain bypasses the lifting pulley and passes through the counterweight slide block baffle of the beating and pulling hammer clamping plate combination body to be connected with the counterweight slide block, when the main lifting cylinder ascends, the lifting chain bypasses the lifting pulley to tighten and pull the counterweight slide block to ascend, the lifting force of the counterweight slide block acts on the counterweight slide block baffle to lift the beating and pulling hammer clamping plate combination body, and when the main lifting cylinder descends, the counterweight slide block is separated from the counterweight slide block baffle downwards, and the beating and pulling hammer clamping plate combination body is in a free state; the outer side of the sliding plate is connected with a hammer clamping plate, and the hammer clamping plate is internally connected with a hydraulic hammer to form a beating and pulling hammer clamping plate combination body; the counterweight sliding block is contacted with the baffle chain to tighten through the extension and retraction of the main lifting cylinder, thereby driving the lifting of the beating and pulling hammer clamping plate combination body.
Or the sliding plate lifter is a sliding plate winch device, the sliding plate winch device comprises a sliding plate winch and a winch pulley, the sliding plate winch is arranged on a transverse slideway of the transverse device, the winch pulley is arranged on an auxiliary upright post flange, and a steel wire rope of the sliding plate winch bypasses the winch pulley and is connected with the counterweight sliding block; or the sliding plate winch device comprises a sliding plate winch, the sliding plate winch is arranged on the auxiliary upright post flange, and a steel wire rope of the sliding plate winch is directly connected with the counterweight sliding block.
The lifting column has the beneficial effects that by adopting the scheme, the upper end of the lifting column is connected with the auxiliary column according to the working condition requirement, so that the height of a column rail is greatly increased, the stroke of the sliding plate is increased, and the engineering construction requirement is met to the maximum extent; when the main lifting cylinder ascends, the counterweight sliding block ascends under the action of the lifting pulley to lift the hammer beating and pulling clamping plate combination body, and when the main lifting cylinder descends, the hammer beating and pulling clamping plate combination body is in a free state, so that the vibration of the whole machine when the hammer beating and pulling clamping plate combination body works is greatly reduced; the counterweight sliding block contacts the baffle chain to tighten through the extension and retraction of the main lifting cylinder, so as to drive the lifting of the beating and pulling hammer clamping plate combination body; the auxiliary lifting cylinder is connected with the two sides of the lifting upright post, the single-side round holes or the rear lug plates through the hoops or the rear lug plates on the two sides and the single side of the fixed upright post, and drives the lifting upright post to move in the fixed slideway of the fixed upright post; and (5) adjusting the height of the lifting upright post.
The problems of short stroke and overlarge vibration during piling are solved, and the aim of the invention is achieved.
The advantages are that:
1. the pile is high in perpendicularity, simpler to operate than an old pile machine, and has no high technical requirement on drivers.
2. The vibration of the whole machine is small, the service life of the whole machine is prolonged, and the comfort of a driver in operation is improved.
3. Compared with the prior pile driver, the invention has higher piling height, and can provide main lifting cylinders and auxiliary upright posts with different lengths for users to meet different working condition demands.
Drawings
Fig. 1 is a block diagram of a highway guardrail pile driver of the background art.
Fig. 2 is a view showing a construction of a working mechanism of the present invention in which a sub-lift cylinder is disposed at one side.
FIG. 3 is a block diagram of an embodiment of the work mechanism of the present invention having one auxiliary lift cylinder disposed on each side.
Fig. 4 is a structural view of an embodiment of the working mechanism of the present invention, wherein a secondary lifting cylinder is arranged at the rear side.
Fig. 5 is a block diagram showing an embodiment of the slide winch apparatus of the present invention on a counterweight.
In the figure, 1, an auxiliary upright post flange; 2. an auxiliary lifting cylinder; 3. lifting the chain; 4. a limiting frame; 5. auxiliary hinging; 6. pile gripper; 7. a pitching support plate; 8. an auxiliary upright post; 9. fixing the cross beam; 10. upright posts pitch up and down shafts; 11. lifting the upright post; 12. fixing the upright post; 13. hammer clamping plates; 14. a hydraulic hammer; 15. a slide plate; 16. a main lifting cylinder; 17. a lifting pulley; 18. a slide plate winch; 19. a hoisting pulley; 20. a counterweight slider baffle; 21. and a transverse slideway.
Description of the embodiments
The technical scheme of the invention is further described below with reference to the accompanying drawings:
example 1: in fig. 2, 3 and 4, the upright comprises: the lifting and lowering device comprises a vertical column pitching shaft 10, a lifting vertical column 11, a fixed vertical column 12, an auxiliary vertical column 8 and an auxiliary lifting cylinder 2; the outer side of the fixed upright post 12 is fixedly connected with an upright post pitching shaft 10, the fixed upright post 12 is slidably connected with a lifting upright post 11, and the upper end of the lifting upright post 11 is connected with an auxiliary upright post 8; an auxiliary lifting cylinder 2 is connected between the fixed upright post 12 and the lifting upright post 11, the auxiliary lifting cylinder 2 is connected with two sides, single-side round holes or rear lug plates of the lifting upright post 11 through anchor clamps or rear lug plates on two sides and single side of the fixed upright post 12, and the auxiliary lifting cylinder 2 drives the lifting upright post 11 to move in a fixed slideway of the fixed upright post 12; the lifting column 11 is height-adjusted.
The fixed upright post 12 comprises a fixed cross beam 9, a pitching support plate 7, a sliding plate 15 and a sliding plate lifter; the fixed upright post 12 is two fixed slide ways, a fixed cross beam 9 is externally connected between the two fixed slide ways, a lifting upright post 11 is internally arranged between the two fixed slide ways, the lifting upright post 11 is two lifting slide ways, a sliding plate 15 is arranged between the two lifting slide ways, the sliding plate is connected with a sliding plate lifter, and the sliding plate lifter drives the sliding plate lifting slide ways and the inner slide ways of the auxiliary upright post 8 to move up and down; the fixed upright post 12 is connected with a pitching supporting plate 7.
The auxiliary upright post 8 comprises an auxiliary upright post flange 1 and an auxiliary hinge 5, the two ends of the auxiliary upright post 8 are connected with the auxiliary upright post flange 1, the auxiliary upright post flange 1 is in an opening shape at one end, the outer end of one side is connected with the auxiliary hinge 5, and the fixing bolts of the lifting upright post 11 and the auxiliary upright post 8 are removed, so that the auxiliary hinge 5 can be hinged; the auxiliary upright post 8 is connected with the corresponding flange at the upper end of the lifting upright post 11 through the lower end auxiliary upright post flange 1, so that the length of the lifting upright post 11 is prolonged, and the stroke of the sliding plate 15 is increased.
A limiting frame is fixed on the lifting upright post 11 through a bolt, and the lowest descending height of the beating and pulling hammer clamping plate combination body is adjusted; the lifting upright post 11 is connected with a pile gripper 6 through a bolt.
The skateboard lifter includes: a main lift cylinder 16, a lift pulley 17 and a lift chain 3; a sliding plate 15 is arranged between the lifting slide ways of the two lifting upright posts 11, the sliding plate 15 can slide in the lifting upright posts 11 and the auxiliary upright posts 8, a main lifting cylinder 16 is connected with the lifting upright posts 11 through anchor clamps or flanges, the upper end of the main lifting cylinder 16 is connected with a lifting pulley 17, the lower end of the main lifting cylinder 16 is connected with a supporting column through a flange, and the supporting column is connected with the lifting upright posts 11 through anchor clamps or flanges; one end of a lifting chain 3 is fixed on the lifting upright post 11 or the auxiliary upright post 8, the other end of the lifting chain 3 bypasses a lifting pulley and passes through a counterweight slide block baffle 20 of the beating and pulling hammer clamping plate combination body to be connected with a counterweight slide block, when the main lifting cylinder 16 ascends, the lifting chain 3 bypasses the lifting pulley 17 to tighten and pull the counterweight slide block to ascend, the lifting force of the counterweight slide block acts on the counterweight slide block baffle 20 to lift the beating and pulling hammer clamping plate combination body, and when the main lifting cylinder 16 descends, the counterweight slide block is separated from the counterweight slide block baffle 20 downwards, and the beating and pulling hammer clamping plate combination body is in a free state; the outer side of the sliding plate 15 is connected with a hammer clamping plate 13, and a hydraulic hammer 14 is connected in the hammer clamping plate 13 to form a beating and pulling hammer clamping plate combination body; the counterweight sliding block contacts the baffle chain to tighten through the extension and retraction of the main lifting cylinder 16, thereby driving the lifting of the beating and pulling hammer clamping plate combination body.
The inner slide plate is arranged in the lifting upright post and the auxiliary upright post, the main lifting cylinder is connected with the lifting upright post through a hoop or a flange, the cylinder head of the main lifting cylinder is connected with the lifting pulley through threads, the beating and pulling hammer clamping plate is connected with the inner slide plate and the hydraulic hammer through bolts to form a beating and pulling hammer clamping plate combination body, one end of the lifting chain is fixed on the lifting upright post, the beating and pulling hammer clamping plate combination body or the auxiliary upright post through the lifting pulley, the other end of the lifting chain is fixed on the counterweight sliding block, and the counterweight sliding block is stretched up by touching the baffle chain through the expansion of the main lifting cylinder, so that the lifting of the beating and pulling hammer clamping plate combination body is driven.
The limiting frame is fixed on the lifting upright post through a bolt, and the lowest descending height of the beating and pulling hammer clamping plate combination body is adjusted. The pile gripper is connected with the lifting upright post through bolts.
Example 2: in fig. 3, an embodiment is shown in which one auxiliary lift cylinder 2 is mounted on each side of the fixed upright.
Example 3: in fig. 4, a sub-lift cylinder 2 is installed at the rear side of the fixed column;
the sliding plate winch device comprises a sliding plate winch 18, wherein the sliding plate winch 18 is arranged on the auxiliary upright post flange 1, and a steel wire rope of the sliding plate winch 18 is directly connected with the counterweight sliding block.
Example 4: in fig. 5, the sliding plate lifter is a sliding plate winch device, the sliding plate winch device comprises a sliding plate winch 18 and a winch pulley 19, the sliding plate winch 18 is arranged on a transverse slideway 21 of a pile driver transverse device, the winch pulley 19 is arranged on the auxiliary upright post flange 1, and a steel wire rope of the sliding plate winch 18 bypasses the winch pulley 19 to be connected with the counterweight sliding block.
Claims (1)
1. A stand column of a highway guardrail pile driving and pulling machine is characterized in that: the stand includes: upright posts pitch shafts, lifting upright posts, fixed upright posts, auxiliary upright posts and auxiliary lifting cylinders; the outer side of the fixed upright post is fixedly connected with an upright post pitching shaft, the fixed upright post is connected with a lifting upright post in a sliding manner, and the upper end of the lifting upright post is connected with an auxiliary upright post; an auxiliary lifting cylinder is connected between the fixed upright post and the lifting upright post, and is connected with two sides of the lifting upright post, a single-side round hole or a rear lug plate through anchor ears or rear lug plates on two sides and a single side of the fixed upright post, and the auxiliary lifting cylinder drives the lifting upright post to move in a fixed slideway of the fixed upright post; height adjustment is carried out on the lifting upright post;
the fixed upright post comprises a fixed cross beam, a pitching supporting plate, a sliding plate and a sliding plate lifter; the fixed upright posts are two fixed slide ways, a fixed cross beam is externally connected between the two fixed slide ways, a lifting upright post is arranged in the space between the two fixed slide ways, the lifting upright posts are two lifting slide ways, a sliding plate is arranged between the two lifting slide ways, the sliding plate is connected with a sliding plate lifter, and the sliding plate lifter drives the sliding plate lifting slide ways and the inner slide ways of the auxiliary upright posts to move up and down; the fixed upright post is connected with a pitching supporting plate;
the auxiliary upright post comprises an auxiliary upright post flange and auxiliary hinges, the two ends of the auxiliary upright post are connected with the auxiliary upright post flange, the auxiliary upright post flange is in an opening shape at one end, the outer end of one side is connected with the auxiliary hinges, and the fixing bolts of the lifting upright post and the auxiliary upright post are removed to enable the auxiliary hinges to be hinged; the auxiliary upright post is connected with a corresponding flange at the upper end of the lifting upright post through an auxiliary upright post flange at the lower end, so that the length of the lifting upright post is prolonged, and the stroke of the sliding plate is increased;
a limiting frame is fixed on the lifting upright post through a bolt, and the lowest descending height of the beating and pulling hammer clamping plate combination body is adjusted; the lifting upright post is connected with a pile gripper through a bolt;
the skateboard lifter includes: the lifting device comprises a main lifting cylinder, a lifting pulley and a lifting chain; a sliding plate is arranged between the lifting slide ways of the two lifting upright posts, the sliding plate can slide in the lifting upright posts and the auxiliary upright posts, the main lifting cylinder is connected with the lifting upright posts through anchor clamps or flanges, the upper end of the main lifting cylinder is connected with a lifting pulley, the lower end of the main lifting cylinder is connected onto a supporting column through a flange, and the supporting column is connected onto the lifting upright posts through anchor clamps or flanges; one end of a lifting chain is fixed on the lifting upright post or the auxiliary upright post, the other end of the lifting chain bypasses the lifting pulley and passes through the counterweight slide block baffle of the beating and pulling hammer clamping plate combination body to be connected with the counterweight slide block, when the main lifting cylinder ascends, the lifting chain bypasses the lifting pulley to tighten and pull the counterweight slide block to ascend, the lifting force of the counterweight slide block acts on the counterweight slide block baffle to lift the beating and pulling hammer clamping plate combination body, and when the main lifting cylinder descends, the counterweight slide block is separated from the counterweight slide block baffle downwards, and the beating and pulling hammer clamping plate combination body is in a free state; the outer side of the sliding plate is connected with a hammer clamping plate, and the hammer clamping plate is internally connected with a hydraulic hammer to form a beating and pulling hammer clamping plate combination body; the counterweight sliding block contacts the baffle chain to tighten through the extension and retraction of the main lifting cylinder, so as to drive the lifting of the beating and pulling hammer clamping plate combination body;
the sliding plate lifter is a sliding plate winch device, the sliding plate winch device comprises a sliding plate winch and a winch pulley, the sliding plate winch is arranged on a transverse slideway of a transverse device of the pile driving and pulling machine, the winch pulley is arranged on an auxiliary upright post flange, and a steel wire rope of the sliding plate winch bypasses the winch pulley and is connected with a counterweight sliding block; or the sliding plate winch device comprises a sliding plate winch which is arranged on the auxiliary upright post flange, and a steel wire rope of the sliding plate winch is directly connected with the counterweight sliding block; the auxiliary upright post is connected with the upper end flange of the lifting upright post through the lower end flange, so that the travel of the inner sliding plate is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703879.4A CN108532601B (en) | 2018-06-30 | 2018-06-30 | Upright post of highway guardrail pile driving and pulling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703879.4A CN108532601B (en) | 2018-06-30 | 2018-06-30 | Upright post of highway guardrail pile driving and pulling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108532601A CN108532601A (en) | 2018-09-14 |
| CN108532601B true CN108532601B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810703879.4A Active CN108532601B (en) | 2018-06-30 | 2018-06-30 | Upright post of highway guardrail pile driving and pulling machine |
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| Country | Link |
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| CN (1) | CN108532601B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202543926U (en) * | 2012-01-17 | 2012-11-21 | 上海工程机械厂有限公司 | Self-erected frame mechanism of pile driving frame |
| CN203080524U (en) * | 2013-02-28 | 2013-07-24 | 徐州万盛工程设备有限公司 | Forward-backward inclining device for hydraulic pile driver |
| CN103526703A (en) * | 2013-11-03 | 2014-01-22 | 蒋佳 | Multifunctional full-hydraulic self-propelled highway crash barrier piling, pulling and drilling all-in-one machine |
| CN203530886U (en) * | 2013-11-03 | 2014-04-09 | 蒋佳 | Multifunctional full-hydraulic self-propelled piling pile-pulling drilling all-in-one machine for road anti-collision guardrail |
| CN105151612A (en) * | 2015-06-24 | 2015-12-16 | 施婷婷 | Rotary type warehousing elevator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208563330U (en) * | 2018-06-30 | 2019-03-01 | 徐州万盛工程设备有限公司 | A kind of column of highway barrier stake pile-driving and-pulling machine |
-
2018
- 2018-06-30 CN CN201810703879.4A patent/CN108532601B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202543926U (en) * | 2012-01-17 | 2012-11-21 | 上海工程机械厂有限公司 | Self-erected frame mechanism of pile driving frame |
| CN203080524U (en) * | 2013-02-28 | 2013-07-24 | 徐州万盛工程设备有限公司 | Forward-backward inclining device for hydraulic pile driver |
| CN103526703A (en) * | 2013-11-03 | 2014-01-22 | 蒋佳 | Multifunctional full-hydraulic self-propelled highway crash barrier piling, pulling and drilling all-in-one machine |
| CN203530886U (en) * | 2013-11-03 | 2014-04-09 | 蒋佳 | Multifunctional full-hydraulic self-propelled piling pile-pulling drilling all-in-one machine for road anti-collision guardrail |
| CN105151612A (en) * | 2015-06-24 | 2015-12-16 | 施婷婷 | Rotary type warehousing elevator |
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| Publication number | Publication date |
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| CN108532601A (en) | 2018-09-14 |
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