CN108439177B - Tubular pile lifting appliance - Google Patents
Tubular pile lifting appliance Download PDFInfo
- Publication number
- CN108439177B CN108439177B CN201810382727.9A CN201810382727A CN108439177B CN 108439177 B CN108439177 B CN 108439177B CN 201810382727 A CN201810382727 A CN 201810382727A CN 108439177 B CN108439177 B CN 108439177B
- Authority
- CN
- China
- Prior art keywords
- lifting hook
- lifting
- hook
- telescopic
- screw rod
- Prior art date
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims description 34
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a tubular pile lifting appliance, which is used for lifting at least one tubular pile; the lifting hook comprises a main beam, a telescopic beam, a lifting hook device, a lifting hook opening and closing driving device and a positioning device; the telescopic beam is arranged in the main beam and can extend and retract along the length direction of the main beam; the lifting hook device is arranged at the end part of the telescopic beam; the lifting hook opening and closing driving device is connected with and drives the lifting hook device to open and close, so that the lifting hook device can hook the two ends of the tubular pile; the positioning device is arranged at the bottom of the telescopic beam and can be abutted to the upper surface of the tubular pile. The tubular pile lifting appliance has the advantages of safety, reliability, high working efficiency, multiple functions and the like.
Description
[ field of technology ]
The invention relates to a lifting appliance, in particular to a tubular pile lifting appliance, and belongs to the technical field of constructional engineering machinery.
[ background Art ]
Concrete pipe piles are commonly used components in the construction field. Piling and reinforcing foundations for buildings which are more than 5 layers in civil buildings; in large industrial buildings, a large number of pipe piles are needed to be used as the foundation, and the larger and thicker the pipe piles are needed as the pile depth is deep.
In the process of lifting the concrete pipe pile in the prior art, the lifting hooks of the lifting appliance are often required to be hooked at the two ends of the pipe pile manually, so that the labor intensity of workers is high, the production efficiency is low, and the pipe pile is cylindrical and stacked layer by layer, so that the pipe pile is easy to roll off, and safety accidents such as pressing of the workers are caused.
Therefore, to solve the above-mentioned technical problems, it is necessary to provide an innovative tubular pile spreader to overcome the drawbacks of the prior art.
[ invention ]
In order to solve the problems, the invention aims to provide the tubular pile lifting appliance which is safe, reliable, high in working efficiency and various in functions.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a pipe pile spreader for hoisting at least one pipe pile; the lifting hook comprises a main beam, a telescopic beam, a lifting hook device and a lifting hook opening and closing driving device; the telescopic beam is arranged in the main beam and can extend and retract along the length direction of the main beam; the lifting hook device is arranged at the end part of the telescopic beam; the lifting hook opening and closing driving device is connected with and drives the lifting hook device to open and close, so that the lifting hook device can hook the two ends of the tubular pile; the positioning device is arranged at the bottom of the telescopic beam and can be abutted to the upper surface of the tubular pile.
The tubular pile sling of the invention is further provided with: the top of the main beam is provided with a telescopic speed reducer and a gear transmission device; the telescopic speed reducer drives the gear transmission device through a chain I; the gear transmission device comprises a bearing with a seat, a transmission shaft, a transmission gear and a driven sprocket; the bearing with the seat is arranged on the main beam; the transmission shaft is pivoted on the bearing with the seat; the transmission gear and the driven sprocket are arranged on the transmission shaft; the chain I is meshed with the driven sprocket.
The tubular pile sling of the invention is further provided with: a rack is arranged at the upper part of the telescopic beam; the transmission gear is meshed with the rack, and the transmission gear can drive the rack to enable the telescopic beam to stretch out and draw back.
The tubular pile sling of the invention is further provided with: a plurality of groups of rollers are arranged in the main beam; two sides of the telescopic beam are respectively provided with a channel steel; the channel steel is supported on the roller.
The tubular pile sling of the invention is further provided with: the lifting hook device comprises a main shaft, and a first lifting hook, a second lifting hook and a third lifting hook are pivoted on the main shaft; the distance between the first lifting hook and the second lifting hook and the distance between the second lifting hook and the third lifting hook are adjustable; and the first lifting hook, the second lifting hook and the third lifting hook can be independently opened and closed.
The tubular pile sling of the invention is further provided with: the first lifting hook comprises a lifting hook part, a shaft sleeve and a mounting frame; the shaft sleeve is fixedly arranged at the upper part of the lifting hook part, is sleeved on the main shaft and can rotate and translate relative to the main shaft; one end of the lifting hook opening and closing driving device is hinged to the mounting frame, and the other end of the lifting hook opening and closing driving device is hinged to the lifting hook portion and can drive the lifting hook portion to open and close.
The tubular pile sling of the invention is further provided with: the lifting hook opening and closing driving device is in a cylinder, an oil cylinder, a hydraulic cylinder, a gear drive or a chain drive.
The tubular pile sling of the invention is further provided with: the lifting hook device further comprises a screw rod; the screw rod is parallel to the main shaft, and a screw rod chain wheel is arranged on the screw rod; the screw rod chain wheel is meshed with a chain II; the chain II is connected with a speed reducing motor and is driven by the speed reducing motor; the first lifting hook and the third lifting hook are respectively provided with a threaded sleeve; the screw sleeve is screwed with the screw rod.
The tubular pile lifting appliance of the invention is also provided with: the positioning device is positioned on the inner side of the lifting hook device and comprises a mounting seat and a positioning arc plate; a plurality of groups of mounting holes are formed in the mounting seat; the positioning arc plate can be fixed in one group of mounting holes, so that the height of the positioning arc plate can be adjusted; the radius of the positioning arc plate is 300cm.
Compared with the prior art, the invention has the following beneficial effects:
1. the tubular pile lifting appliance adopts the telescopic beam which can be telescopic, so that the lifting appliance can lift tubular piles with different spans, and the length of the tubular pile is 8-15 m.
2. The pipe pile lifting appliance is provided with three lifting hooks, can lift 1, 2 or 3 pipe piles, greatly improves the lifting efficiency and has wide application range.
3. The tubular pile lifting appliance disclosed by the invention has high automation degree, and a worker is not required to hook a lifting hook on the tubular pile, so that the tubular pile is safely lifted.
4. The lifting hook device of the tubular pile lifting appliance adopts the main shaft and the screw rod to be arranged separately, so that the bearing capacity of the main shaft is greatly improved, and the distance between the lifting hooks is convenient to adjust.
[ description of the drawings ]
Fig. 1 is a front view of the pipe pile spreader of the present invention, in which a broken line portion is in a state where a telescopic beam is extended.
Fig. 2 is a top view of the pipe pile spreader of the present invention.
Fig. 3 is an enlarged view of a portion at I-I in fig. 1.
Fig. 4 is a cross-sectional view taken along line A-A of fig. 1.
Fig. 5 is a partial enlarged view of fig. 4.
Fig. 6 is a cross-sectional view taken along line B-B of fig. 1.
Fig. 7 is a cross-sectional view taken along line C-C of fig. 1.
Fig. 8 is a schematic view of the hook assembly of fig. 1, with the broken line portion showing the first hook and the third hook drawn toward the second hook.
Fig. 9 is a cross-sectional view taken along line D-D of fig. 8.
[ detailed description ] of the invention
Referring to fig. 1 to 9 of the drawings, the present invention is a pipe pile lifting device for lifting at least one pipe pile 100, which is mainly assembled by a main beam 1, a telescopic beam 2, a hook device 3, a hook opening and closing driving device 4, a positioning device 5, and the like.
The telescopic beam 2 is arranged in the main beam 1 and can stretch and retract along the length direction of the main beam 1, so that the lifting appliance can lift pipe piles 100 with different spans, and the length of the applicable pipe piles is 8-15 m.
Specifically, the top of the main beam 1 is provided with a telescopic speed reducer 11 and a gear transmission device 12. The telescopic speed reducer 11 drives the gear transmission 12 through a chain I13, so that the telescopic speed reducer 11 drives the gear transmission 12.
The gear transmission device 12 is composed of a belt bearing 121, a transmission shaft 122, a transmission gear 123, a driven sprocket 124 and other components. The bearing 121 with the seat is arranged on the main beam 1; the transmission shaft 122 is pivoted on the bearing 121 with the seat; the transmission gear 123 and the driven sprocket 124 are mounted on the transmission shaft 122; the chain I13 is meshed with the driven sprocket 124, the driven sprocket 124 is driven to rotate by the chain I13, the driven sprocket 124 drives the transmission shaft 122, and the transmission shaft 122 is linked with the transmission gear 123.
Further, a rack 21 is arranged at the upper part of the telescopic beam 2; the transmission gear 123 is meshed with the rack 21, and the transmission gear 123 can drive the rack 21 to enable the telescopic beam 2 to stretch.
A plurality of groups of rollers 14 are arranged in the main beam 1; two sides of the telescopic beam 2 are respectively provided with a channel steel 22; the channel steel 22 is supported on the roller 14, even if the telescopic beam 2 is supported on the roller 14, the telescopic beam 2 can be flexible and can be prevented from falling off from the main beam 1.
The hook means 3 are mounted to the end of the telescopic beam 2. The lifting hook opening and closing driving device 4 is connected with and drives the lifting hook device 3 to open and close, so that the lifting hook device 3 can hook the two ends of the tubular pile.
The hook assembly 3 includes a main shaft 31, and a first hook 32, a second hook 33, and a third hook 34 are pivotally connected to the main shaft 31. The distance between the first hook 32 and the second hook 33 and the distance between the second hook 33 and the third hook 34 are adjustable; the first lifting hook 32, the second lifting hook 33 and the third lifting hook 34 can be independently opened and closed, and the first lifting hook 32 and the third lifting hook 34 have the same structure. That is, when it is necessary to hoist one pipe pile 100, it is only necessary to use the second hooks 33 and open the first hooks 32 and the third hooks 34; when two pipe piles 100 need to be lifted, the first lifting hook 32 and the third lifting hook 34 are used, and the second lifting hook 33 is opened; when three pipe piles 100 need to be lifted, three lifting hooks are used simultaneously, so that the lifting efficiency is greatly improved, and the application range is wide.
Further, the first hook 32 is composed of a hook portion 321, a sleeve 322, and a mounting bracket 323. The shaft sleeve 322 is fixedly arranged on the upper part of the lifting hook portion 321, is sleeved on the main shaft 31, can rotate and translate relative to the main shaft 31, realizes opening and closing of the lifting hook portion 321 through rotation, and adjusts the spacing among the first lifting hook 32, the second lifting hook 33 and the third lifting hook 34 through translation, so that the lifting device is suitable for lifting the pipe piles 100 with different diameters. One end of the lifting hook opening and closing driving device 4 is hinged to the mounting frame 323, and the other end of the lifting hook opening and closing driving device is hinged to the lifting hook 321 and can drive the lifting hook 321 to open and close; the lifting hook opening and closing driving device 4 is a cylinder, an oil cylinder, a hydraulic cylinder, a gear drive or a chain drive, and in the embodiment, the lifting hook opening and closing driving device 4 is a cylinder. When the pipe pile 100 needs to be lifted, the hook opening and closing driving device 4 (air cylinder) is started, so that the hook opening and closing driving device 4 pulls the hook portion 321, and the hook portion 321 hooks the inside of the end portion of the pipe pile 100.
The hook means 3 further comprises a screw 35; the screw rod 35 is parallel to the main shaft 31, and a screw rod sprocket 36 is mounted on the screw rod 35. The screw rod chain wheel 36 is meshed with a chain II37; the chain II37 is connected to a gear motor 38 and driven by the gear motor 38. The first lifting hook 32 and the third lifting hook 33 are respectively provided with a threaded sleeve 39; the threaded sleeve 39 is screwed with the screw rod 35. In the embodiment, the main shaft 31 and the screw rod 35 are separately arranged, so that the bearing capacity of the main shaft 31 is greatly improved, and the distance between the lifting hooks is convenient to adjust.
When the spacing between the three hooks needs to be adjusted, only the gear motor 38 on the first hook 32 and the third hook 33 needs to be started, the gear motor 38 drives the chain II37, the chain II37 drives the screw rod chain wheel 36, the screw rod chain wheel 36 rotates to drive the screw rod 35 to rotate, the screw rod 35 drives the screw sleeve 39, and the screw sleeve 39 moves along the radial direction of the screw rod 35, so that the first hook 32 and the third hook 33 move.
The positioning device 5 is mounted at the bottom of the telescopic beam 2, and can be abutted against the upper surface of the pipe pile 100. Specifically, the positioning device 5 is located at the inner side of the hook device 3, and comprises a mounting seat 51 and a positioning arc plate 52; the mounting seat 51 is provided with a plurality of groups of mounting holes 53; the positioning arc plates 52 can be fixed in one of the sets of mounting holes 53, so that the height of the positioning arc plates 53 can be adjusted to be suitable for the pipe piles 100 of different heights. In this embodiment, the radius of the positioning arc plate 53 is 300cm.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, but any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. A pipe pile spreader for hoisting at least one pipe pile; the method is characterized in that: comprises a main beam, a telescopic beam, a lifting hook device, a lifting hook opening and closing driving device and a positioning device; the telescopic beam is arranged in the main beam and can extend and retract along the length direction of the main beam; the lifting hook device is arranged at the end part of the telescopic beam; the lifting hook opening and closing driving device is connected with and drives the lifting hook device to open and close, so that the lifting hook device can hook the two ends of the tubular pile; the positioning device is arranged at the bottom of the telescopic beam and can be abutted against the upper surface of the tubular pile;
the lifting hook device comprises a main shaft, and a first lifting hook, a second lifting hook and a third lifting hook are pivoted on the main shaft; the distance between the first lifting hook and the second lifting hook and the distance between the second lifting hook and the third lifting hook are adjustable; the first lifting hook, the second lifting hook and the third lifting hook can be independently opened and closed;
the first lifting hook comprises a lifting hook part, a shaft sleeve and a mounting frame; the shaft sleeve is fixedly arranged at the upper part of the lifting hook part, is sleeved on the main shaft and can rotate and translate relative to the main shaft; one end of the lifting hook opening and closing driving device is hinged to the mounting frame, and the other end of the lifting hook opening and closing driving device is hinged to the lifting hook part and can drive the lifting hook part to open and close;
the lifting hook device further comprises a screw rod; the screw rod is parallel to the main shaft, and a screw rod chain wheel is arranged on the screw rod; the screw rod chain wheel is meshed with a chain II; the chain II is connected with a speed reducing motor and is driven by the speed reducing motor; the first lifting hook and the third lifting hook are respectively provided with a threaded sleeve; the screw sleeve is screwed with the screw rod.
2. The pipe pile spreader of claim 1, wherein: the top of the main beam is provided with a telescopic speed reducer and a gear transmission device; the telescopic speed reducer drives the gear transmission device through a chain I; the gear transmission device comprises a bearing with a seat, a transmission shaft, a transmission gear and a driven sprocket; the bearing with the seat is arranged on the main beam; the transmission shaft is pivoted on the bearing with the seat; the transmission gear and the driven sprocket are arranged on the transmission shaft; the chain I is meshed with the driven sprocket.
3. The pipe pile spreader of claim 2, wherein: a rack is arranged at the upper part of the telescopic beam; the transmission gear is meshed with the rack, and the transmission gear can drive the rack to enable the telescopic beam to stretch out and draw back.
4. A pipe pile spreader according to claim 3, characterised in that: a plurality of groups of rollers are arranged in the main beam; two sides of the telescopic beam are respectively provided with a channel steel; the channel steel is supported on the roller.
5. The pipe pile spreader of claim 1, wherein: the lifting hook opening and closing driving device is in a cylinder, an oil cylinder, a hydraulic cylinder, a gear drive or a chain drive.
6. The pipe pile spreader of claim 1, wherein: the positioning device is positioned on the inner side of the lifting hook device and comprises a mounting seat and a positioning arc plate; a plurality of groups of mounting holes are formed in the mounting seat; the positioning arc plate can be fixed in one group of mounting holes, so that the height of the positioning arc plate can be adjusted; the radius of the positioning arc plate is 300cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382727.9A CN108439177B (en) | 2018-04-23 | 2018-04-23 | Tubular pile lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382727.9A CN108439177B (en) | 2018-04-23 | 2018-04-23 | Tubular pile lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108439177A CN108439177A (en) | 2018-08-24 |
| CN108439177B true CN108439177B (en) | 2023-11-28 |
Family
ID=63201217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810382727.9A Active CN108439177B (en) | 2018-04-23 | 2018-04-23 | Tubular pile lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108439177B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547619A (en) * | 2019-03-24 | 2020-08-18 | 荆门市亿美工业设计有限公司 | Hoisting method of antirust copper foil roll lifting appliance |
| CN111620235A (en) * | 2020-05-28 | 2020-09-04 | 南京钜力智能制造技术研究院有限公司 | Intelligent delivery equipment for precast concrete tubular pile |
| CN111661752A (en) * | 2020-07-07 | 2020-09-15 | 河北捷瑞环保设备科技有限公司 | Automatic telescopic rotary lifting appliance for heavy steel pipes |
| CN112897309A (en) * | 2021-03-17 | 2021-06-04 | 山东科雷茵重工有限公司 | Rod-shaped building material hoisting device |
| CN116332013B (en) * | 2023-03-09 | 2023-11-24 | 无锡上工搪化工设备有限公司 | Hoisting device for large glass lining reaction kettle and use method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306062A (en) * | 1993-04-21 | 1994-04-26 | Dodge John P | Adjustable lifting device for sewer frame or the like |
| CN201545611U (en) * | 2009-09-29 | 2010-08-11 | 上海锡华机械工程有限公司 | Telescopic lifting appliance |
| CN202953699U (en) * | 2012-12-14 | 2013-05-29 | 广东三和管桩有限公司 | Novel hoisting device for tubular pile steel cage |
| CN203568676U (en) * | 2013-11-14 | 2014-04-30 | 广东三和管桩有限公司 | Tubular pile transporting lifting appliance for tubular pile industry |
| CN205500554U (en) * | 2016-03-31 | 2016-08-24 | 浙江诚康钢管有限公司 | Concrete pipe pile's hoisting accessory |
| CN205590150U (en) * | 2016-04-27 | 2016-09-21 | 常州市南港港口机械有限公司 | Lifting tool for containers |
| CN105947867A (en) * | 2016-05-17 | 2016-09-21 | 龙丹 | Full-automatic multifunctional pipe pile hanger and lifting method thereof |
| CN208135724U (en) * | 2018-04-23 | 2018-11-23 | 绍兴起重机总厂 | A kind of tubular pole suspender |
| CN208135725U (en) * | 2018-04-23 | 2018-11-23 | 绍兴起重机总厂 | A kind of hook gear of tubular pole suspender |
| CN208135726U (en) * | 2018-04-23 | 2018-11-23 | 绍兴起重机总厂 | A kind of span telescoping mechanism of tubular pole suspender |
-
2018
- 2018-04-23 CN CN201810382727.9A patent/CN108439177B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306062A (en) * | 1993-04-21 | 1994-04-26 | Dodge John P | Adjustable lifting device for sewer frame or the like |
| CN201545611U (en) * | 2009-09-29 | 2010-08-11 | 上海锡华机械工程有限公司 | Telescopic lifting appliance |
| CN202953699U (en) * | 2012-12-14 | 2013-05-29 | 广东三和管桩有限公司 | Novel hoisting device for tubular pile steel cage |
| CN203568676U (en) * | 2013-11-14 | 2014-04-30 | 广东三和管桩有限公司 | Tubular pile transporting lifting appliance for tubular pile industry |
| CN205500554U (en) * | 2016-03-31 | 2016-08-24 | 浙江诚康钢管有限公司 | Concrete pipe pile's hoisting accessory |
| CN205590150U (en) * | 2016-04-27 | 2016-09-21 | 常州市南港港口机械有限公司 | Lifting tool for containers |
| CN105947867A (en) * | 2016-05-17 | 2016-09-21 | 龙丹 | Full-automatic multifunctional pipe pile hanger and lifting method thereof |
| CN208135724U (en) * | 2018-04-23 | 2018-11-23 | 绍兴起重机总厂 | A kind of tubular pole suspender |
| CN208135725U (en) * | 2018-04-23 | 2018-11-23 | 绍兴起重机总厂 | A kind of hook gear of tubular pole suspender |
| CN208135726U (en) * | 2018-04-23 | 2018-11-23 | 绍兴起重机总厂 | A kind of span telescoping mechanism of tubular pole suspender |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108439177A (en) | 2018-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108439177B (en) | Tubular pile lifting appliance | |
| CN213231167U (en) | Self-rotating crane sling | |
| CN107859084A (en) | Diaphram wall grab type chute forming machine | |
| CN108757026B (en) | Convenient-to-adjust drainage device in groove of underground winch base | |
| CN208135724U (en) | A kind of tubular pole suspender | |
| CN201679483U (en) | Auto reversing indirectly dragged steel rope type oil pumping unit | |
| CN217378856U (en) | Positioning and fixing device for installation of bottom die vertical reinforcement cage | |
| CN110606439A (en) | Be suitable for transmission material between reverse construction method floor with small-size swing arm formula electric hoist | |
| CN2263711Y (en) | Roofbolter | |
| CN207314342U (en) | A kind of Integral small-sized piling machine of construction | |
| CN211496658U (en) | Pipe stacking device | |
| RU2379446C2 (en) | Wall placer | |
| CN210263105U (en) | Sinking auxiliary limiting device for pipe jacking construction of open caisson | |
| CN208829142U (en) | A kind of elevator for building with safety protection function | |
| CN206588506U (en) | A kind of large tank welds hoistable platform | |
| CN218894130U (en) | Power rotating device, grab bucket assembly and piling machinery | |
| CN114852859B (en) | Portable petroleum pipe crane | |
| CN206205416U (en) | A kind of side slope construction hoistable platform | |
| CN221052590U (en) | Pile lifting mechanism of vibrating hammer | |
| CN221607574U (en) | Building construction pile hoisting device that punches | |
| CN216737291U (en) | Crane for producing automobile steel plates | |
| CN220300196U (en) | Multifunctional lifting device for building construction | |
| CN219343350U (en) | Telescopic pressurizing grab bucket | |
| CN115231463B (en) | Be used for road bridge construction to use quick hoisting device | |
| CN221399983U (en) | Support bracket dismounting safety device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |