CN112456312B - A lifting hook mechanism and a crane with automatic shielding protection function - Google Patents

A lifting hook mechanism and a crane with automatic shielding protection function Download PDF

Info

Publication number
CN112456312B
CN112456312B CN202110109760.6A CN202110109760A CN112456312B CN 112456312 B CN112456312 B CN 112456312B CN 202110109760 A CN202110109760 A CN 202110109760A CN 112456312 B CN112456312 B CN 112456312B
Authority
CN
China
Prior art keywords
trigger
pull rod
hook
shielding
lifting hook
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
Application number
CN202110109760.6A
Other languages
Chinese (zh)
Other versions
CN112456312A (en
Inventor
杨占尧
崔风华
赵志强
王健
刘玉堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Ruixin Construction Safety Technology Testing Co ltd
Original Assignee
Henan Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Institute of Technology filed Critical Henan Institute of Technology
Priority to CN202110109760.6A priority Critical patent/CN112456312B/en
Publication of CN112456312A publication Critical patent/CN112456312A/en
Application granted granted Critical
Publication of CN112456312B publication Critical patent/CN112456312B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

本发明涉及起重设备技术领域，尤其涉及一种具有自动遮挡防护功能的起重钩机构及起重机，该起重钩机构包括前后两个侧板，两个侧板之间设有位于上方的滚轮和位于下方的起重钩，两个侧板相互远离的侧面上均设有活动遮挡组件和触发组件；所述活动遮挡组件包括遮板、电动卷扬机，所述电动卷扬机的卷扬绳与所述遮板牵引连接；所述触发组件包括导向管、拉杆，所述拉杆的上端设有触发件、下端设有拉钩，所述拉杆与所述导向管之间设有弹性收缩件，所述触发件上下行程设有收线触发开关和放线触发开关；侧板上还设有蓄电池。本发明可以在起吊敞口容器时方便的对敞口容器进行遮挡防护，无需人工额外操作。

Figure 202110109760

The invention relates to the technical field of hoisting equipment, in particular to a hoisting hook mechanism and a crane with an automatic shielding and protection function. and the lifting hook located below, a movable shielding assembly and a trigger assembly are provided on the sides of the two side plates away from each other; the movable shielding assembly includes a shield and an electric hoist, and the hoisting rope of the electric hoist The shutter is connected by traction; the trigger assembly includes a guide tube and a pull rod, the upper end of the pull rod is provided with a trigger piece, the lower end is provided with a pull hook, and an elastic contraction piece is arranged between the pull rod and the guide tube, and the trigger piece The upper and lower strokes are provided with a wire take-up trigger switch and a wire release trigger switch; the side plate is also provided with a battery. The invention can conveniently shield and protect the open container when the open container is lifted, and no additional manual operation is required.

Figure 202110109760

Description

Lifting hook mechanism with automatic shielding and protecting functions and crane
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a hoisting hook mechanism with an automatic shielding and protecting function and a crane.
Background
The hoisting machine is widely applied to various fields, such as building, freight transportation, equipment construction and installation, and the like, and most hoisting machines basically comprise a supporting part, a moving part, a lifting part and a hoisting hook for directly hanging a target, wherein the lifting part drives the hoisting hook to move up and down so as to realize transfer, lifting and falling of the target.
The hoisting equipment is widely applied both outdoors and indoors, the working environment is more complicated and changeable in the outdoor environment, the hoisting operation progress and the target safety are influenced by more external factors, particularly, under the condition of severe surrounding environment, the target lifted by the lifting hook needs to be subjected to the invasion of factors such as rain, sun exposure or sundries knocking, smashing, mixing and the like in the air, especially, when the open container containing materials is hoisted outdoors, if the open container is not protected, the materials are easy to reduce the quality due to the influence of the factors and influence the quality of hoisting operation, the conventional method of adding the sealing cover on the open container increases the workload of lifting operation, the taking out and loading of materials in the container need additional work, and the structure of the open container also has higher requirements, so that the development of a lifting hook mechanism which can shield and protect the open container while lifting the open container is necessary.
Disclosure of Invention
The invention provides a lifting hook mechanism with an automatic shielding and protecting function, which aims to solve the problem that the existing lifting hook mechanism cannot shield and protect an open container when the existing lifting hook mechanism lifts the open container. Simultaneously, a crane comprising the lifting hook mechanism is also provided.
The invention relates to a lifting hook mechanism with an automatic shielding and protecting function, which adopts the following technical scheme:
a lifting hook mechanism with an automatic shielding and protecting function comprises a front side plate and a rear side plate, wherein an upper roller and a lower lifting hook are arranged between the two side plates, and the sides of the two side plates, which are far away from each other, are provided with a movable shielding assembly and a triggering assembly; the movable shielding assembly comprises a shielding plate, one end of the shielding plate is rotatably installed on the corresponding side plate, a rotating shaft of the shielding plate extends along the left-right direction, an electric winch is arranged at the upper end of the corresponding side plate, and a winch rope of the electric winch is in traction connection with the shielding plate; the trigger component comprises a guide pipe extending along the up-down direction, a pull rod is assembled in the guide pipe in a vertically guiding and sliding way, the upper end of the pull rod extends upwards out of the guide pipe, the lower end of the pull rod is suspended downwards, the upper end of the pull rod is provided with a trigger piece extending along the left-right direction, the lower end of the pull rod is provided with a drag hook corresponding to the front and the back of the lifting hook, the draw hook corresponds to the lifting hook in the front-back direction, the hook bottom of the draw hook is positioned above the hook bottom of the lifting hook, a baffle table is arranged at the lower part of the guide pipe of the pull rod, an elastic contraction piece is arranged between the baffle table and the guide pipe, the upper end of the up-down stroke of the trigger piece is provided with a take-up trigger switch, the lower end of the trigger piece is provided with a pay-off trigger switch, the paying-off trigger switch and the taking-up trigger switch are both fixedly arranged on the corresponding side plates and are both electrically connected with the electric winch; and the side plate is also provided with a storage battery for supplying power to the paying-off trigger switch, the taking-up trigger switch and the electric winch.
The utility model discloses a pull rod of trigger subassembly, including two pull rods, the pull rod of trigger subassembly is equipped with two, and two stand pipes set up side by side about, thereby two stand pipe interconnect of pull rod in two stand pipes are a body structure, the drag hook is located the lower extreme that keeps off the platform, trigger spare about for both ends respectively with two pull rod fixed connection's horizontal pole.
The elastic contraction part is an extension spring, and the upper end and the lower end of the extension spring are fixedly connected with the corresponding guide pipe and the corresponding blocking platform respectively.
The shielding plate comprises a frame and a plate body fixed on the frame, and the end part of the corresponding hoisting rope is connected with the frame in a traction manner.
The plate body is a transparent plastic plate.
The crane adopts the following technical scheme:
a crane comprises a supporting part, a moving part, a lifting part and a lifting hook mechanism with an automatic shielding and protecting function, wherein the lifting hook mechanism comprises a front side plate and a rear side plate, an upper roller and a lower lifting hook are arranged between the two side plates, and a movable shielding assembly and a trigger assembly are arranged on the side surfaces, far away from each other, of the two side plates; the movable shielding assembly comprises a shielding plate, one end of the shielding plate is rotatably installed on the corresponding side plate, a rotating shaft of the shielding plate extends along the left-right direction, an electric winch is arranged at the upper end of the corresponding side plate, and a winch rope of the electric winch is in traction connection with the shielding plate; the trigger component comprises a guide pipe extending along the up-down direction, a pull rod is assembled in the guide pipe in a vertically guiding and sliding way, the upper end of the pull rod extends upwards out of the guide pipe, the lower end of the pull rod is suspended downwards, the upper end of the pull rod is provided with a trigger piece extending along the left-right direction, the lower end of the pull rod is provided with a drag hook corresponding to the front and the back of the lifting hook, the draw hook corresponds to the lifting hook in the front-back direction, the hook bottom of the draw hook is positioned above the hook bottom of the lifting hook, a baffle table is arranged at the lower part of the guide pipe of the pull rod, an elastic contraction piece is arranged between the baffle table and the guide pipe, the upper end of the up-down stroke of the trigger piece is provided with a take-up trigger switch, the lower end of the trigger piece is provided with a pay-off trigger switch, the paying-off trigger switch and the taking-up trigger switch are both fixedly arranged on the corresponding side plates and are both electrically connected with the electric winch; and the side plate is also provided with a storage battery for supplying power to the paying-off trigger switch, the taking-up trigger switch and the electric winch.
The utility model discloses a pull rod of trigger subassembly, including two pull rods, the pull rod of trigger subassembly is equipped with two, and two stand pipes set up side by side about, thereby two stand pipe interconnect of pull rod in two stand pipes are a body structure, the drag hook is located the lower extreme that keeps off the platform, trigger spare about for both ends respectively with two pull rod fixed connection's horizontal pole.
The elastic contraction part is an extension spring, and the upper end and the lower end of the extension spring are fixedly connected with the corresponding guide pipe and the corresponding blocking platform respectively.
The shielding plate comprises a frame and a plate body fixed on the frame, and the end part of the corresponding hoisting rope is connected with the frame in a traction manner.
The plate body is a transparent plastic plate.
The invention has the beneficial effects that: the movable shielding component and the trigger component can shield and protect an open container when the open container is lifted, after a lifting rope on the open container is hooked by a lifting hook, the lifting rope on the front side and the rear side of the lifting hook presses down a draw hook of the trigger component to drive the trigger component to trigger a pay-off trigger switch, the pay-off trigger switch starts an electric winch to pay off through a circuit, a shielding plate can be turned downwards to a set position at the moment, the shielding plate is shielded above the open container at the moment, the automatic shielding and protecting effect is realized, after the container is conveyed to a target position, the lifting hook releases the lifting of the lifting rope, the draw hook returns upwards under the action of an elastic contraction piece to drive the trigger component to trigger a take-up trigger switch, the take-up trigger switch starts the electric winch to take up through the circuit to perform a take-up action, and at the moment, the shielding plate can, the shielding protection is removed, so that the open container can be conveniently shielded and protected when lifted, and manual additional operation is not needed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of an embodiment of a hook mechanism with automatic shade protection of the present invention;
FIG. 2 is a right side view corresponding to FIG. 1;
FIG. 3 is a schematic view of the shielding state corresponding to FIG. 2;
in the figure: 1. the device comprises a side plate, 11, a lifting hook, 12, rollers, 2, a frame, 21, a plate body, 3, an electric winch, 31, a winch rope, 4, a guide pipe, 41, a pull rod, 42, a cross rod, 43, a tension spring, 44, a blocking platform, 45, a draw hook, 5, a take-up trigger switch, 51, a pay-off trigger switch, 6, a storage battery, 7 and a lifting rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the embodiment of the lifting hook 11 mechanism with the automatic shielding function, as shown in fig. 1 to 3, the lifting hook 11 mechanism with the automatic shielding function comprises a front side plate 1 and a rear side plate 1, a roller 12 positioned above and a lifting hook 11 positioned below are arranged between the two side plates 1, and movable shielding assemblies and trigger assemblies are arranged on the side surfaces, far away from each other, of the two side plates 1.
The movable shielding component comprises a shielding plate with one end rotatably mounted on the corresponding side plate 1, a rotating shaft of the shielding plate extends along the left-right direction, an electric winch 3 is arranged at the upper end of the corresponding side plate 1, and a winch rope 31 of the electric winch 3 is connected with the shielding plate in a traction manner.
The trigger assembly comprises a guide pipe 4 extending along the vertical direction, a pull rod 41 is assembled in the guide pipe 4 in a vertically-guiding sliding mode, the upper end of the pull rod 41 upwards extends out of the guide pipe 4 and is provided with a trigger part extending along the left-right direction, the lower end of the pull rod is downwards suspended and extends and is provided with a drag hook 45, the drag hook 45 corresponds to the front and the back of the lifting hook 11 in the front-back direction, the hook bottom of the drag hook 45 is located above the hook bottom of the lifting hook 11, a blocking platform 44 is arranged at the position of the lower part of the guide pipe 4 of the pull rod 41, an elastic contraction part is arranged between the blocking platform 44 and the guide pipe 4, a take-up trigger switch 5 is arranged at the upper end of the upper-lower stroke of the trigger part, a pay-off trigger switch 51 is arranged at the lower end.
The side plate 1 is also provided with a storage battery 6 for supplying power to the paying-off trigger switch 51, the taking-up trigger switch 5 and the electric winch 3.
Above, electric hoist 3 is ordinary small-size hoist engine that has the locking function, receives line trigger switch 5 and unwrapping wire trigger switch 51 and controls the trigger switch of the motor corotation or the reversal of electric hoist engine 3 promptly, and the receipts line of electric hoist engine 3 and the operating time realization of unwrapping wire length accessible timing circuit control motor, above equipment are prior art or prior art and realize easily, and the event is no longer repeated.
Further, in order to make the operation of the pull rod 41 more stable and prevent the excessive sliding of the pull rod 41, the guide tubes 4 of each trigger assembly are arranged side by side in a left-right direction, thereby the two pull rods 41 are connected with each other by the baffle table 44 of the pull rod 41 in the two guide tubes 4 to form an integral structure, the draw hook 45 is arranged at the lower end of the baffle table 44, and the trigger is a cross rod 42 which is fixedly connected with the two pull rods 41 at the left end and the right end respectively.
Further, the elastic contracting member is an extension spring 43 whose upper and lower ends are fixedly connected with the corresponding guide tube 4 and the stop table 44, respectively. In other embodiments, resilient rubber ribs may be used.
Further, in order to smoothly pull the cover, the cover includes a frame 2 and a plate body 21 fixed to the frame 2, and ends of respective winding ropes 31 are connected to the frame 2 in a pulling manner.
Further, in order to conveniently check the working conditions of each component and reduce the weight of the plate body 21, the plate body 21 is made of a transparent plastic plate.
The movable shielding component and the trigger component can shield and protect an open container when the open container is lifted, after a lifting hook 11 hooks a lifting rope 7 on the open container, the lifting rope 7 on the front side and the rear side of the lifting hook 11 presses down a draw hook 45 of the trigger component to drive the trigger component to trigger a pay-off trigger switch 51, the pay-off trigger switch 51 starts an electric hoist 3 to pay off through a circuit, a shielding plate can be turned downwards to a set position at the moment, the shielding plate is shielded above the open container at the moment, the automatic shielding effect is realized, after the open container is conveyed to a target position, the lifting hook 11 releases the lifting of the lifting rope 7, the draw hook 45 returns upwards under the action of an elastic contraction member to drive the trigger component to trigger a take-up trigger switch 5, the take-up trigger switch 5 starts the electric hoist 3 to take up through the circuit, and the shielding plate can be turned upwards to the set initial position at the moment, the shielding protection is removed, so that the open container can be conveniently shielded and protected when lifted, and manual additional operation is not needed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a jack-up hook mechanism with automatically, shelter from safeguard function which characterized in that: the shielding device comprises a front side plate and a rear side plate, wherein an upper roller and a lower lifting hook are arranged between the two side plates, and the sides of the two side plates, which are far away from each other, are provided with a movable shielding assembly and a triggering assembly;
the movable shielding assembly comprises a shielding plate, one end of the shielding plate is rotatably installed on the corresponding side plate, a rotating shaft of the shielding plate extends along the left-right direction, an electric winch is arranged at the upper end of the corresponding side plate, and a winch rope of the electric winch is in traction connection with the shielding plate;
the trigger component comprises a guide pipe extending along the up-down direction, a pull rod is assembled in the guide pipe in a vertically guiding and sliding way, the upper end of the pull rod extends upwards out of the guide pipe, the lower end of the pull rod is suspended downwards, the upper end of the pull rod is provided with a trigger piece extending along the left-right direction, the lower end of the pull rod is provided with a drag hook corresponding to the front and the back of the lifting hook, the draw hook corresponds to the lifting hook in the front-back direction, the hook bottom of the draw hook is positioned above the hook bottom of the lifting hook, a baffle table is arranged at the lower part of the guide pipe of the pull rod, an elastic contraction piece is arranged between the baffle table and the guide pipe, the upper end of the up-down stroke of the trigger piece is provided with a take-up trigger switch, the lower end of the trigger piece is provided with a pay-off trigger switch, the paying-off trigger switch and the taking-up trigger switch are both fixedly arranged on the corresponding side plates and are both electrically connected with the electric winch;
and the side plate is also provided with a storage battery for supplying power to the paying-off trigger switch, the taking-up trigger switch and the electric winch.
2. The lifting hook mechanism with the automatic shielding function according to claim 1, characterized in that: the utility model discloses a pull rod of trigger subassembly, including two pull rods, the pull rod of trigger subassembly is equipped with two, and two stand pipes set up side by side about, thereby two stand pipe interconnect of pull rod in two stand pipes are a body structure, the drag hook is located the lower extreme that keeps off the platform, trigger spare about for both ends respectively with two pull rod fixed connection's horizontal pole.
3. The lifting hook mechanism with the automatic shielding function according to claim 2, characterized in that: the elastic contraction part is an extension spring, and the upper end and the lower end of the extension spring are fixedly connected with the corresponding guide pipe and the corresponding blocking platform respectively.
4. The lifting hook mechanism with the automatic shielding function according to claim 1, characterized in that: the shielding plate comprises a frame and a plate body fixed on the frame, and the end part of the corresponding hoisting rope is connected with the frame in a traction manner.
5. The lifting hook mechanism with the automatic shielding function according to claim 4, wherein: the plate body is a transparent plastic plate.
6. The utility model provides a crane, includes supporting part, removal portion, promotion portion, its characterized in that: the lifting hook mechanism comprises a front side plate and a rear side plate, a roller positioned above and a lifting hook positioned below are arranged between the two side plates, and the sides of the two side plates, which are far away from each other, are provided with a movable shielding assembly and a trigger assembly;
the movable shielding assembly comprises a shielding plate, one end of the shielding plate is rotatably installed on the corresponding side plate, a rotating shaft of the shielding plate extends along the left-right direction, an electric winch is arranged at the upper end of the corresponding side plate, and a winch rope of the electric winch is in traction connection with the shielding plate;
the trigger component comprises a guide pipe extending along the up-down direction, a pull rod is assembled in the guide pipe in a vertically guiding and sliding way, the upper end of the pull rod extends upwards out of the guide pipe, the lower end of the pull rod is suspended downwards, the upper end of the pull rod is provided with a trigger piece extending along the left-right direction, the lower end of the pull rod is provided with a drag hook corresponding to the front and the back of the lifting hook, the draw hook corresponds to the lifting hook in the front-back direction, the hook bottom of the draw hook is positioned above the hook bottom of the lifting hook, a baffle table is arranged at the lower part of the guide pipe of the pull rod, an elastic contraction piece is arranged between the baffle table and the guide pipe, the upper end of the up-down stroke of the trigger piece is provided with a take-up trigger switch, the lower end of the trigger piece is provided with a pay-off trigger switch, the paying-off trigger switch and the taking-up trigger switch are both fixedly arranged on the corresponding side plates and are both electrically connected with the electric winch;
and the side plate is also provided with a storage battery for supplying power to the paying-off trigger switch, the taking-up trigger switch and the electric winch.
7. A crane as claimed in claim 6, wherein: the utility model discloses a pull rod of trigger subassembly, including two pull rods, the pull rod of trigger subassembly is equipped with two, and two stand pipes set up side by side about, thereby two stand pipe interconnect of pull rod in two stand pipes are a body structure, the drag hook is located the lower extreme that keeps off the platform, trigger spare about for both ends respectively with two pull rod fixed connection's horizontal pole.
8. A crane according to claim 7, characterized in that: the elastic contraction part is an extension spring, and the upper end and the lower end of the extension spring are fixedly connected with the corresponding guide pipe and the corresponding blocking platform respectively.
9. A crane as claimed in claim 6, wherein: the shielding plate comprises a frame and a plate body fixed on the frame, and the end part of the corresponding hoisting rope is connected with the frame in a traction manner.
10. A crane as claimed in claim 9, wherein: the plate body is a transparent plastic plate.
CN202110109760.6A 2021-01-27 2021-01-27 A lifting hook mechanism and a crane with automatic shielding protection function Active CN112456312B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110109760.6A CN112456312B (en) 2021-01-27 2021-01-27 A lifting hook mechanism and a crane with automatic shielding protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110109760.6A CN112456312B (en) 2021-01-27 2021-01-27 A lifting hook mechanism and a crane with automatic shielding protection function

Publications (2)

Publication Number Publication Date
CN112456312A CN112456312A (en) 2021-03-09
CN112456312B true CN112456312B (en) 2021-04-16

Family

ID=74802803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110109760.6A Active CN112456312B (en) 2021-01-27 2021-01-27 A lifting hook mechanism and a crane with automatic shielding protection function

Country Status (1)

Country Link
CN (1) CN112456312B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115594095A (en) * 2021-06-28 2023-01-13 武汉软件工程职业学院（Cn） A load-carrying mechanical electromechanical starting device triggered by gravity induction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08303012A (en) * 1995-05-01 1996-11-19 Misawa Homes Co Ltd Lifting member bending prevention device for building unit canopy
JPH09273312A (en) * 1996-04-09 1997-10-21 Misawa Homes Co Ltd Umbrella device for building unit and containing cover for umbrela device
FR2782060B1 (en) * 1998-08-06 2000-10-13 Jean Francois Tardy DEVICE SUSPENDED FROM A CARRIER FOR THE RECOVERY OF INDIVIDUALS OR MATERIALS
CN207346998U (en) * 2017-09-09 2018-05-11 衡水广厦铁塔制造有限公司 A kind of additional row hanging hook of new row loop wheel machine

Also Published As

Publication number Publication date
CN112456312A (en) 2021-03-09

Similar Documents

Publication Publication Date Title
CN110723603A (en) Airborne take-up and pay-off device of unmanned aerial vehicle
CN112456312B (en) A lifting hook mechanism and a crane with automatic shielding protection function
CN213623012U (en) Movable hoisting equipment for mounting wind power generation tower
CN214989776U (en) Bridge crane with anti-swing function
CN209835459U (en) Lifting device for house building construction
CN113582099A (en) Platform for installing existing house with additionally installed elevator
CN209890101U (en) Electric hoist convenient to fix
CN211176193U (en) Teaching device for multimedia classroom
CN213774421U (en) Construction is with pulling hoist and mount auxiliary device
CN217230053U (en) Construction rope protection device for building steel structure
CN213445768U (en) Automatic hoisting device of steel structure movable doorsill double-leaf protective airtight door
CN114334366B (en) Body pressing device for power transformer
CN214245611U (en) Automatic hanging and releasing beam of electric cylinder
CN115196519A (en) A self-stabilizing double rocker arm hoisting and lifting device for tower installation
CN112299256A (en) Hoisting equipment with stable form hoisting device
CN222900052U (en) Anti-falling mechanism of communication iron tower
CN221343730U (en) Lifting device suitable for high-altitude overhaul
CN211145880U (en) A supervising and monitoring device for a jacking system
CN216303116U (en) Self-unloading counterweight device of tower crane
CN113752931A (en) Operation and maintenance trolley for smart power grid
CN222190358U (en) A high-speed pair-twisting machine for stranding copper conductors
CN215807362U (en) Transformer substation operation monitoring device
CN222007066U (en) A hoist for construction engineering
CN222907410U (en) An anti-static device for tower crane wire rope
CN222454338U (en) Automatic anti-sway device for crane

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
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230418

Address after: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province

Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd.

Address before: No.699 Pingyuan Road, Xinxiang City, Henan Province

Patentee before: HENAN INSTITUTE OF TECHNOLOGY

Effective date of registration: 20230418

Address after: Room 2303, Building 67, No. 513 Times Sunshine Avenue, Yuhua District, Changsha City, Hunan Province, 410000

Patentee after: Shi Tingyong

Address before: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province

Patentee before: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230510

Address after: Room 502, 5th Floor, Building 1, Jinyue Industrial Park, No. 319 Linyu Road, Changsha High tech Development Zone, Changsha City, Hunan Province, 410000

Patentee after: Hunan Ruixin Construction Safety Technology Testing Co.,Ltd.

Address before: Room 2303, Building 67, No. 513 Times Sunshine Avenue, Yuhua District, Changsha City, Hunan Province, 410000

Patentee before: Shi Tingyong