CN208378241U - A kind of gate-type lifting hoisting trolley device for assemble welding - Google Patents
A kind of gate-type lifting hoisting trolley device for assemble welding Download PDFInfo
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- CN208378241U CN208378241U CN201820640097.6U CN201820640097U CN208378241U CN 208378241 U CN208378241 U CN 208378241U CN 201820640097 U CN201820640097 U CN 201820640097U CN 208378241 U CN208378241 U CN 208378241U
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- crossbeam
- vertical beam
- bottom plate
- hydraulic cylinder
- suspension hook
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- 238000003466 welding Methods 0.000 title claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 17
- 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 description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of gate-type lifting hoisting trolley device for assemble welding, belongs to technical field of crane equipment；Upper hydraulic cylinder and lower hydraulic cylinder are controlled by hydraulic press, crossbeam in upper piston rod to the left crossbeam and right crossbeam by stretching, and left inside vertical beam and right inside column are flexible up and down to left outside vertical beam and right outer vertical beam by lower piston rod, and realization carries out hoisting and hanging under different spaces；Mobile power is provided by Electric Motor Wheel, deflecting roller realizes direction controlling, move integrally the utility model can to certain point；Electric welding machine is set to the top of left bottom plate tail end; user improves work efficiency without individually carrying electric welding machine, when electric welding machine being protected to reduce carrying caused by damage; because electric welding machine will cause largely pungent peculiar smell cigarette when welding and using, pungent peculiar smell cigarette is quickly blown away by exhaust fan；Non-slip mat extends the service life of suspension hook, and the lifting object in suspension hook is difficult to slide；Lifting object in suspension hook is locked in suspension hook by check lock lever, safer in upper air installing.
Description
Technical field
The utility model belongs to technical field of crane equipment, is specifically related to a kind of gate-type for assemble welding rewinding
Raise carriage device.
Background technique
Lifting equipment is the device that traction work is completed by manpower or machine power driving reel, winding cords.It can be with
Vertical-lift weight is usually applied to the occasions such as lifting altitude is high, the volume of goods loaded and unloaded is big；With being widely used for crane, people couple
The requirement of crane is also higher and higher, and lightweight, intelligence and higher stability and reliability will be crane future hairs
The direction of exhibition；Trolley is a part of crane, and monkey is the important hoisting mechanism and water of entire crane
Flat mobile mechanism, it hangs power to crane offer；Trolley is made of hoisting mechanism, operating mechanism and vehicle frame, elevator
Structure includes that motor, brake, retarder, hoisting drum and pulley blocks composition, motor drive hoisting drum by retarder
Rotation, puts down wirerope around coiling or from reel, completes the lifting work to article.
But existing lifting equipment using when have certain limitation, and moving distance is limited when hoisting and hanging, in portion
Ability welding processing brings some inconvenience at the place of not lifting equipment to production and processing after subset needs to lift by crane.
Summary of the invention
The utility model mainly solves technical problem present in the above-mentioned prior art, provides a kind of for assemble welding
Gate-type lifting hoisting trolley device.
Above technical problems of the utility model are mainly solved by the following technical scheme: a kind of for welding
The gate-type lifting hoisting trolley device of assembly, including crossbeam and hoisting trolley, the crossbeam are I-steel, the left end of the crossbeam
Equipped with left crossbeam, the right end of the crossbeam is equipped with right crossbeam, and the inside of the left crossbeam and right crossbeam is equipped with hydraulic cylinder, institute
The both ends for stating hydraulic cylinder and crossbeam are connected by upper piston rod, and the downside of the left crossbeam left end is equipped with left inside vertical beam, described
The downside of right crossbeam right end is equipped with right inside column, and the outside of the left inside vertical beam is equipped with left outside vertical beam, the right inside column it is outer
Side is equipped with right outer vertical beam, and the lower end of the outer vertical beam in lower end and the right side of the left outside vertical beam is equipped with lower hydraulic cylinder, the lower liquid
Cylinder pressure connects the lower end of left inside vertical beam and left inside vertical beam by lower piston rod, and the lower end of the left outside vertical beam is equipped with left bottom plate, institute
The lower end for stating vertical beam outside the right side is equipped with right bottom plate, the company of the junction and right bottom plate of the left bottom plate and left outside vertical beam and right outer vertical beam
The place of connecing is equipped with reinforcing rib, and the top of the left bottom plate tail end is equipped with electric welding machine and hydraulic press, the upper hydraulic cylinder and lower liquid
Cylinder pressure connects hydraulic press by internal duct, and the top of the right bottom plate tail end is equipped with exhaust fan, the tail of the left bottom plate
Electric Motor Wheel is equipped with below the tail end of end and right bottom plate, under the front end of the front end of the left bottom plate and right bottom plate
Side is equipped with directive wheel, and the hoisting trolley includes vehicle frame and winding drum, and the crossbeam is set to the middle part of vehicle frame, the crossbeam
Top is equipped with idler wheel, and the axle center of the idler wheel is equipped with transmission shaft, and the left end of the transmission shaft is equipped with left bearing, the transmission shaft
Right end is equipped with right bearing, and the left bearing and right bearing are fixedly connected with the inner wall of vehicle frame, the right side transmission of the left bearing
Axis is equipped with retarder, and the left side drive shafts of the right bearing are equipped with lower driving wheel, and the upper end of the vehicle frame is equipped with trolley electricity
Machine, the rotor left end of the vehicle motor are equipped with upper driving wheel, the upper driving wheel and lower driving wheel and are connected by transmission belt
It connects, guide pad is equipped at left and right sides of the crossbeam upper end, the guide pad is in concave shape, the side of the guide pad and vehicle
The inner wall of frame is fixedly connected, and the left and right sides of the crossbeam upper end is mutually engaged with the recess of guide pad, and the winding drum is set to
The lower section of crossbeam, the left side of the winding drum are equipped with brake, and the right side of the winding drum is equipped with driver, the driver
Right side is equipped with elevator motor, and the cylinder of the winding drum is equipped with hawser, and the lower section of the winding drum is equipped with sash weight, the sash weight
Top is equipped with pulley, and the pulley is connect with winding drum by hawser, and the upper and lower end of the sash weight is equipped with anticollision
Circle, the lower end of the sash weight are equipped with suspension hook, and the inner wall of the suspension hook is equipped with non-slip mat, and the lower end of the sash weight is equipped with locking base
Seat, the lower end of the locking pedestal are equipped with removable pin, and the gib head end of the suspension hook is equipped with locking pin, the removable pin and locking pin
Between be equipped with check lock lever, the lower end of the vehicle frame is equipped with headlamp, and the outer wall of the left outside vertical beam is equipped with remote controler, described distant
Control device control hydraulic press, vehicle motor, retarder, brake, driver, elevator motor, Electric Motor Wheel, deflecting roller and exhaust fan.
Preferably, the upper hydraulic cylinder, which passes through internal duct with lower hydraulic cylinder, connects hydraulic press.
The utility model, which has the advantages that, controls upper hydraulic cylinder and lower hydraulic cylinder by hydraulic press, and crossbeam passes through upper
Piston rod stretches in crossbeam and right crossbeam to the left, and left inside vertical beam and right inside column are erected by lower piston rod to outside left outside vertical beam and the right side
Beam is flexible up and down, and realization carries out hoisting and hanging under different spaces；Mobile power is provided by Electric Motor Wheel, deflecting roller realizes direction control
System, move integrally the utility model can to certain point；Electric welding machine is set to the top of left bottom plate tail end, and user will be without that will be welded
Machine is individually carried, and is improved work efficiency, when electric welding machine being protected to reduce carrying caused by damage, because electric welding machine makes in welding
Used time will cause largely pungent peculiar smell cigarette, and pungent peculiar smell cigarette is quickly blown away by exhaust fan；Non-slip mat not only extends suspension hook
It is difficult to slide to also act as lifting object of the suspension hook in lifting in suspension hook for service life；Suspension hook passes through check lock lever for hanging in suspension hook
Dress object is locked in suspension hook, safer in upper air installing；Vehicle motor makes rotation of the idler wheel on crossbeam, realizes vehicle frame
Feeding movement.Therefore the utility model has the characteristics that simple structure and reasonable design.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is a kind of left view structural representation of the utility model；
Fig. 3 is a kind of overlooking structure diagram of the utility model；
Fig. 4 is a kind of structural schematic diagram of the utility model hoisting trolley；
Fig. 5 is a kind of structural schematic diagram of the utility model sash weight.
In figure: 1, crossbeam；2, hoisting trolley；3, left crossbeam；4, right crossbeam；5, upper hydraulic cylinder；6, upper piston rod；7, left inside
Vertical beam；8, right inside column；9, left outside vertical beam；10, right outer vertical beam；11, lower hydraulic cylinder；12, lower piston rod；13, left bottom plate；14,
Right bottom plate；15, reinforcing rib；16, electric welding machine；17, hydraulic press；18, exhaust fan；19, Electric Motor Wheel；20, directive wheel；21, vehicle frame；
22, sash weight；23, idler wheel；24, transmission shaft；25, left bearing；26, right bearing；27, retarder；28, lower driving wheel；29, trolley electricity
Machine；30, upper driving wheel；31, transmission belt；32, guide pad；33, winding drum；34, brake；35, driver；36, elevator motor；
37, hawser；38, pulley；39, anti-collision ring；40, suspension hook；41, non-slip mat；42, pedestal is locked；43, removable pin；44, locking pin；
45, check lock lever；46, headlamp；47, remote controler.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of gate-type lifting hoisting trolley device for assemble welding, as Figure 1-Figure 5, including crossbeam
And hoisting trolley, the crossbeam are I-steel, the left end of the crossbeam is equipped with left crossbeam, and the right end of the crossbeam is equipped with right cross
The inside of beam, the left crossbeam and right crossbeam is equipped with hydraulic cylinder, and the both ends of the upper hydraulic cylinder and crossbeam pass through upper piston
Bar connection, the downside of the left crossbeam left end are equipped with left inside vertical beam, and the downside of the right crossbeam right end is equipped with right inside column, described
The outside of left inside vertical beam is equipped with left outside vertical beam, and the outside of the right inside column is equipped with right outer vertical beam, the lower end of the left outside vertical beam
Portion and the lower end of right outer vertical beam are equipped with lower hydraulic cylinder, and the lower hydraulic cylinder connects left inside vertical beam and left inside by lower piston rod
The lower end of vertical beam, the lower end of the left outside vertical beam are equipped with left bottom plate, and the lower end of the outer vertical beam in the right side is equipped with right bottom plate, the left bottom
The junction and right bottom plate of plate and left outside vertical beam and the junction of right outer vertical beam are equipped with reinforcing rib, the left bottom plate tail end
Top is equipped with electric welding machine and hydraulic press, and the upper hydraulic cylinder passes through internal duct with lower hydraulic cylinder and connects hydraulic press, the right side
The top of bottom plate tail end is equipped with exhaust fan, is equipped with below the tail end of the tail end of the left bottom plate and right bottom plate electronic
It is equipped with directive wheel below the front end of wheel, the front end of the left bottom plate and right bottom plate, the hoisting trolley includes vehicle frame
And winding drum, the crossbeam are set to the middle part of vehicle frame, the top of the crossbeam is equipped with idler wheel, and the axle center of the idler wheel is equipped with transmission
Axis, the left end of the transmission shaft are equipped with left bearing, and the right end of the transmission shaft is equipped with right bearing, and the left bearing and right bearing are equal
It is fixedly connected with the inner wall of vehicle frame, the right side transmission shaft of the left bearing is equipped with retarder, and the left side of the right bearing is driven
Axis is equipped with lower driving wheel, and the upper end of the vehicle frame is equipped with vehicle motor, and the rotor left end of the vehicle motor is equipped with upper
Driving wheel, the upper driving wheel and lower driving wheel are equipped with guiding at left and right sides of the crossbeam upper end by being driven band connection
Block, the guide pad are in concave shape, and the side of the guide pad is fixedly connected with the inner wall of vehicle frame, the left and right of the crossbeam upper end
Two sides are mutually engaged with the recess of guide pad, and the winding drum is set to the lower section of crossbeam, and the left side of the winding drum is equipped with braking
Device, the right side of the winding drum are equipped with driver, and the right side of the driver is equipped with elevator motor, sets on the cylinder of the winding drum
There is hawser, the lower section of the winding drum is equipped with sash weight, and the top of the sash weight is equipped with pulley, and the pulley and winding drum pass through cable
Rope connection, the upper and lower end of the sash weight are equipped with anti-collision ring, and the lower end of the sash weight is equipped with suspension hook, the suspension hook
Inner wall is equipped with non-slip mat, and the lower end of the sash weight is equipped with locking pedestal, and the lower end of the locking pedestal is equipped with removable pin, described to hang
The gib head end of hook is equipped with locking pin, and check lock lever is equipped between the removable pin and locking pin, and the lower end of the vehicle frame is equipped with illumination
The outer wall of lamp, the left outside vertical beam is equipped with remote controler, the remote control control hydraulic press, vehicle motor, retarder, braking
Device, driver, elevator motor, Electric Motor Wheel, deflecting roller and exhaust fan.
The upper hydraulic cylinder passes through internal duct with lower hydraulic cylinder and connects hydraulic press, and hydraulic press controls upper hydraulic cylinder under
Hydraulic cylinder, upper hydraulic cylinder control upper piston rod, lower hydraulic cylinder control lower piston rod, realization upper piston rod and lower piston rod stretch
Control.
The application method of the utility model: pass through remote control control hydraulic press, vehicle motor, retarder, brake, transmission
Device, elevator motor, Electric Motor Wheel, deflecting roller and exhaust fan；Hydraulic press controls upper hydraulic cylinder and lower hydraulic cylinder, crossbeam pass through upper piston
Bar stretches in crossbeam and right crossbeam to the left, and left inside vertical beam and right inside column are by lower piston rod on left outside vertical beam and right outer vertical beam
Lower flexible, realization carries out hoisting and hanging under different spaces；When needing to move integrally, remote control control Electric Motor Wheel and deflecting roller,
It is moved integrally, safety and stability；Because left bearing and right bearing are fixed on vehicle frame inner wall, idler wheel passes through left bearing and right bearing,
Vehicle frame is set to realize feeding movement, the feeding that guide pad keeps vehicle frame more stable when moving is mobile；It carries out passing through volume when article hoisting
It raises motor and drives winding drum, by the velocity of rotation of driver control winding drum, when winding drum is in lifting because of the gravity of lifting object
It inverts, brake makes hoist engine is locked will not invert generation pendant object；Non-slip mat not only extends the service life of suspension hook, also rises
It is difficult to slide to lifting object of the suspension hook in lifting in suspension hook；Lifting object in suspension hook is locked in suspension hook by check lock lever by suspension hook
It is interior, it is safer in upper air installing；Electric welding machine is set to the top of left bottom plate tail end, and user is without individually removing electric welding machine
Fortune, improve work efficiency, when electric welding machine being protected to reduce carrying caused by damage, because electric welding machine weld use when can make
At a large amount of pungent peculiar smell cigarette, pungent peculiar smell cigarette is quickly blown away by exhaust fan.Therefore the utility model is simple with structure, grasps
Make convenient and designs the features such as reasonable.
Finally it is pointed out that above embodiments are only the more representational examples of the utility model.Obviously, this is practical new
Type is not limited to the above embodiments, and acceptable there are many deformations.All foundation the technical essence of the utility model are to above embodiments
Made any simple modification, equivalent change and modification are considered as belonging to the protection scope of the utility model.
Claims (2)
1. a kind of gate-type lifting hoisting trolley device for assemble welding, including crossbeam and hoisting trolley, it is characterised in that institute
Stating crossbeam is I-steel, and the left end of the crossbeam is equipped with left crossbeam, and the right end of the crossbeam is equipped with right crossbeam, the left crossbeam and
The inside of right crossbeam is equipped with hydraulic cylinder, and the both ends of the upper hydraulic cylinder and crossbeam pass through upper piston rod and connect, the left cross
The downside of beam left end is equipped with left inside vertical beam, and the downside of the right crossbeam right end is equipped with right inside column, the outside of the left inside vertical beam
Equipped with left outside vertical beam, the outside of the right inside column is equipped with right outer vertical beam, the outer vertical beam in lower end and the right side of the left outside vertical beam
Lower end is equipped with lower hydraulic cylinder, and the lower hydraulic cylinder connects the lower end of left inside vertical beam and left inside vertical beam, institute by lower piston rod
The lower end for stating left outside vertical beam is equipped with left bottom plate, and the lower end of the outer vertical beam in the right side is equipped with right bottom plate, the left bottom plate and left outside vertical beam
Junction and the junction of right bottom plate and right outer vertical beam be equipped with reinforcing rib, the top of the left bottom plate tail end, which is equipped with, to be welded
The top of machine and hydraulic press, the right bottom plate tail end is equipped with exhaust fan, the tail end of the tail end of the left bottom plate and right bottom plate
It is equipped with Electric Motor Wheel below portion, is equipped with directive wheel below the front end of the front end of the left bottom plate and right bottom plate, institute
Stating hoisting trolley includes vehicle frame, winding drum and sash weight, and the crossbeam is set to the middle part of vehicle frame, and the top of the crossbeam is equipped with rolling
Wheel, the axle center of the idler wheel are equipped with transmission shaft, and the left end of the transmission shaft is equipped with left bearing, and the right end of the transmission shaft is equipped with the right side
Bearing, the left bearing and right bearing are fixedly connected with the inner wall of vehicle frame, and the right side transmission shaft of the left bearing, which is equipped with, to be subtracted
Fast device, the left side drive shafts of the right bearing are equipped with lower driving wheel, and the upper end of the vehicle frame is equipped with vehicle motor, the trolley
The rotor left end of motor is equipped with upper driving wheel, the upper driving wheel and lower driving wheel and passes through transmission band connection, the crossbeam
Guide pad is equipped at left and right sides of upper end, the guide pad is in concave shape, and the side of the guide pad and the inner wall of vehicle frame are solid
Fixed connection, the left and right sides of the crossbeam upper end are mutually engaged with the recess of guide pad, and the winding drum is set to the lower section of crossbeam,
The left side of the winding drum is equipped with brake, and the right side of the winding drum is equipped with driver, and the right side of the driver is equipped with volume
Motor is raised, the cylinder of the winding drum is equipped with hawser, and the lower section of the winding drum is equipped with sash weight, and the top of the sash weight, which is equipped with, to be slided
Wheel, the pulley are connect with winding drum by hawser, and the upper and lower end of the sash weight is equipped with anti-collision ring, the sash weight
Lower end be equipped with suspension hook, the inner wall of the suspension hook is equipped with non-slip mat, and the lower end of the sash weight is equipped with locking pedestal, the locking base
The lower end of seat is equipped with removable pin, and the gib head end of the suspension hook is equipped with locking pin, locking is equipped between the removable pin and locking pin
Bar, the lower end of the vehicle frame are equipped with headlamp, and the outer wall of the left outside vertical beam is equipped with remote controler, and the remote control control is hydraulic
Machine, vehicle motor, retarder, brake, driver, elevator motor and exhaust fan.
2. a kind of gate-type lifting hoisting trolley device for assemble welding according to claim 1, it is characterised in that institute
It states hydraulic cylinder and passes through internal duct with lower hydraulic cylinder and connect hydraulic press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640097.6U CN208378241U (en) | 2018-05-02 | 2018-05-02 | A kind of gate-type lifting hoisting trolley device for assemble welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640097.6U CN208378241U (en) | 2018-05-02 | 2018-05-02 | A kind of gate-type lifting hoisting trolley device for assemble welding |
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| Publication Number | Publication Date |
|---|---|
| CN208378241U true CN208378241U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640097.6U Expired - Fee Related CN208378241U (en) | 2018-05-02 | 2018-05-02 | A kind of gate-type lifting hoisting trolley device for assemble welding |
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| Country | Link |
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| CN (1) | CN208378241U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877238A (en) * | 2019-12-16 | 2020-03-13 | 滁州博明信息科技有限公司 | Concrete product polishing device and method |
| CN111302232A (en) * | 2020-01-16 | 2020-06-19 | 王思记 | Lifting hanger capable of working at night for lifting goods |
| CN112027925A (en) * | 2020-07-20 | 2020-12-04 | 中建筑港集团有限公司 | Sample installation assisting device for static load anchoring test |
| CN113562627A (en) * | 2021-08-20 | 2021-10-29 | 长沙矿山研究院有限责任公司 | Transportation lifting device and transportation lifting method for underground equipment |
| CN114988290A (en) * | 2022-06-28 | 2022-09-02 | 德马科起重机械有限公司 | An intelligent lifting device for lifting materials |
| CN116675132A (en) * | 2023-04-28 | 2023-09-01 | 海洋石油工程（青岛）有限公司 | A retractable mobile sling device |
| CN118324040A (en) * | 2024-05-16 | 2024-07-12 | 辰信轴承科技(山东)有限公司 | A conductive frame crane with a trolley |
| CN118704285A (en) * | 2024-08-27 | 2024-09-27 | 中国铁建高新装备股份有限公司 | Railway turnout rail welding equipment and construction method |
-
2018
- 2018-05-02 CN CN201820640097.6U patent/CN208378241U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877238A (en) * | 2019-12-16 | 2020-03-13 | 滁州博明信息科技有限公司 | Concrete product polishing device and method |
| CN111302232A (en) * | 2020-01-16 | 2020-06-19 | 王思记 | Lifting hanger capable of working at night for lifting goods |
| CN112027925A (en) * | 2020-07-20 | 2020-12-04 | 中建筑港集团有限公司 | Sample installation assisting device for static load anchoring test |
| CN112027925B (en) * | 2020-07-20 | 2022-08-12 | 中建筑港集团有限公司 | Sample installation assisting device for static load anchoring test |
| CN113562627A (en) * | 2021-08-20 | 2021-10-29 | 长沙矿山研究院有限责任公司 | Transportation lifting device and transportation lifting method for underground equipment |
| CN114988290A (en) * | 2022-06-28 | 2022-09-02 | 德马科起重机械有限公司 | An intelligent lifting device for lifting materials |
| CN116675132A (en) * | 2023-04-28 | 2023-09-01 | 海洋石油工程（青岛）有限公司 | A retractable mobile sling device |
| CN118324040A (en) * | 2024-05-16 | 2024-07-12 | 辰信轴承科技(山东)有限公司 | A conductive frame crane with a trolley |
| CN118324040B (en) * | 2024-05-16 | 2025-02-11 | 辰信轴承科技(山东)有限公司 | A conductive frame crane with a trolley |
| CN118704285A (en) * | 2024-08-27 | 2024-09-27 | 中国铁建高新装备股份有限公司 | Railway turnout rail welding equipment and construction method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20200502 |
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| CF01 | Termination of patent right due to non-payment of annual fee |