CN216997385U - Tower crane for hoisting floor of glass curtain wall - Google Patents
Tower crane for hoisting floor of glass curtain wall Download PDFInfo
- Publication number
- CN216997385U CN216997385U CN202122851924.0U CN202122851924U CN216997385U CN 216997385 U CN216997385 U CN 216997385U CN 202122851924 U CN202122851924 U CN 202122851924U CN 216997385 U CN216997385 U CN 216997385U
- Authority
- CN
- China
- Prior art keywords
- hoisting
- tower crane
- luffing
- glass curtain
- boom
- 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
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a floor tower crane for hoisting a glass curtain wall, which comprises a base assembly, a swing mechanism, a balance arm, a hoisting mechanism, a tower head assembly, a crane boom, a luffing mechanism and a load-carrying trolley, wherein the tower head mechanism is arranged on the base assembly and is driven by the swing mechanism to freely rotate relative to the base assembly, the balance arm and the crane boom are respectively arranged at two sides of the tower head mechanism, the load-carrying trolley is slidably connected to the lower side of the crane boom and is used for hoisting a heavy object, and the hoisting mechanism is fixed at the head of the balance arm and is connected with the load-carrying trolley through a steel wire rope and is used for hoisting the heavy object by the load-carrying trolley. Be used for glass curtain wall hoist and mount floor tower machine, installation preparation and operation convenient to use have effectively realized glass curtain wall's lifting by crane process, and the installation is dismantled conveniently moreover, and weight is lighter, therefore practices thrift the manpower, and the practicality is high.
Description
Technical Field
The utility model relates to a floor tower crane for hoisting a glass curtain wall, and relates to the technical field of tower crane equipment.
Background
The glass curtain wall is a building outer protective structure or decorative structure which has a certain displacement capacity relative to the main structure by a supporting structure system and does not bear the action of the main structure. The wall body has two types of single-layer glass and double-layer glass. The glass curtain wall is a beautiful and novel building wall decoration method and is a remarkable characteristic of modern high-rise building times. The installation of high-rise building glass curtain wall is generally after the main body building finishes, so dedicated glass curtain wall hoisting equipment has extensive market demand, and a lot of glass curtain wall hoisting equipment weight at present is big, and the installation is dismantled inconveniently, and dismouting and later maintenance are inefficient, therefore the practicality is not high.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the tower crane for hoisting the glass curtain wall is convenient to operate and capable of effectively improving the dismounting efficiency.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model provides a be used for glass curtain wall hoist and mount floor tower machine, includes base assembly, rotation mechanism, balance arm, hoisting mechanism, tower head assembly, jib loading boom, luffing mechanism and load dolly, the tower head assembly is installed on base assembly and is driven relative base assembly free rotation through rotation mechanism, the both sides at the tower head assembly are installed respectively to balance arm and jib loading boom, and load dolly sliding connection just uses the hoist and mount heavy object at the downside of jib loading boom, and hoisting mechanism fixes the head of balance arm and is connected and is used for load dolly to play to rise the heavy object through wire rope and load dolly.
Preferably, the base assembly comprises a tower crane chassis, a lower support and an upper support, the tower crane chassis is fixedly connected with a building through a connecting piece, the lower support is connected to the upper portion of the tower crane chassis, and the upper support is fixedly mounted on the lower support.
Preferably, the tower head assembly comprises a tower head base, two vertical support rods and two inclined support rods, the tower head base is movably connected to the upper support, the two vertical support rods are respectively supported on one side of the tower head base, the two inclined support rods are obliquely supported on the upper ends of the vertical support rods and the other side of the tower head base, and a support cross rod is connected between the vertical support rods.
Preferably, the slewing mechanism comprises a motor and a slewing bearing, the middle parts of the upper support and the lower support are provided with holes for fixedly mounting the slewing bearing, the tower head base is connected to the upper part of the slewing bearing, and the motor is fixed on one side of the upper support and drives the slewing bearing to freely rotate relative to the upper support.
Preferably, the balance arm is of a single-piece truss structure formed by welding steel plates, channel steel and square tubes, and a balancing weight is arranged on the lower side of the head of the balance arm.
Preferably, the crane boom comprises a plurality of sections of boom sections which are connected with each other, the boom sections are of a triangular cross-section space truss structure formed by welding steel plates, round steel, round tubes and sharp-angled tubes, lifting pulleys are arranged at the tail root part and the middle part of the crane boom, and amplitude-variable pulleys are arranged at the head end part and the tail root part.
Preferably, the lower chords of the arm sections are connected by a quick-assembly connecting structure, and the upper chords are connected by large-gap pin shafts.
As preferred, the load dolly includes automobile body mechanism and lifting hook mechanism, and automobile body mechanism includes the automobile body, goes up hoist and mount pulley and walking wheel, the walking wheel is connected at the automobile body upside and can freely walk and roll on the lower chord of arm section, goes up hoist and mount pulley and fixes at automobile body downside middle part, lifting hook mechanism is including bearing the fixed part, hoist and mount pulley and lifting hook down, and the lifting hook is connected and is bearing the fixed part lower part, and hoist and mount pulley connection down is on bearing the fixed part and connect the hoist and mount pulley through wire rope connection.
Preferably, the hoisting mechanism comprises a hoisting driving mechanism and a winding drum, the hoisting driving mechanism drives the winding drum to roll, a hoisting steel wire rope is arranged on the winding drum, and the end part of the steel wire rope penetrates through and surrounds the hoisting pulley on the crane boom and winds the hoisting pulley and the downward turning pulley and is connected to the end part of the crane boom.
Preferably, the amplitude-changing mechanism comprises an amplitude-changing driving mechanism and an amplitude-changing winding drum, the amplitude-changing driving mechanism is arranged in the middle of the crane boom in the amplitude-changing winding drum, the amplitude-changing winding drum is driven by the amplitude-changing driving mechanism to roll, an amplitude-changing steel wire rope is arranged at the head winding end of the amplitude-changing winding drum, one end of the amplitude-changing steel wire rope penetrates through an amplitude-changing pulley at the head end part of the crane boom and is connected with one end part of the load-carrying trolley, and the other end of the amplitude-changing steel wire rope penetrates through an amplitude-changing pulley at the tail root part of the crane boom and is connected with the other end of the load-carrying trolley.
Compared with the prior art, the utility model has the advantages that: be used for glass curtain wall hoist and mount floor tower machine, installation preparation and operation convenient to use have effectively realized glass curtain wall's lifting by crane process, and the installation is dismantled conveniently moreover, and weight is lighter, therefore practices thrift the manpower, and the practicality is high.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments 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 the drawings without creative efforts;
FIG. 1 is a side schematic view of the present invention;
FIG. 2 is an enlarged schematic view of a portion of the tower head assembly of the present invention;
FIG. 3 is an enlarged schematic view of a portion of the load carrying cart of the present invention;
fig. 4 is a schematic diagram of the hoisting mechanism of the present invention for wire rope winding;
fig. 5 is a schematic of the wire rope winding of the luffing mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:
as shown in figures 1 to 5, the floor tower crane for hoisting the glass curtain wall comprises a base assembly, a swing mechanism, a balance arm, a hoisting mechanism, a tower head assembly, a crane arm, a luffing mechanism and a load-carrying trolley, the tower head assembly is arranged on the base assembly and is driven by the swing mechanism to freely rotate relative to the base assembly, in practical application, in order to improve the structural stability and facilitate the assembly and disassembly, the base assembly comprises a tower crane chassis 1, a lower support 2 and an upper support 3, the tower crane chassis is fixedly connected with a building through a connecting piece, the lower support is connected to the upper part of the tower crane chassis, the chassis is fixedly arranged on the lower support, and the vertical load and the unbalanced bending moment on the tower crane are transmitted to the chassis and then transmitted to the building through the chassis, so that the overall supporting stability is effectively improved;
the tower head assembly is used as a main fixed supporting part of the tower crane and mainly plays a role of bearing a balance arm and a cargo boom, and in order to improve the structural stability of the tower head assembly, in the embodiment, in order to further improve the structural stability, the tower head assembly comprises a tower head base 4, a vertical supporting rod 5 and an inclined supporting rod 6, the tower head base is movably connected with an upper support, the vertical supporting rods are two and are respectively supported on one side of the tower head base, the inclined supporting rods are two and are obliquely connected and supported at the upper end of the vertical supporting rod and the other side of the tower head base, a supporting cross rod is connected between the vertical supporting rods, so that the structural stability of the fixed supporting part of the integral tower crane is improved, the tower head base is a space truss structure formed by welding steel plates and square tubes, the middle of the lower part is connected with the upper support through a pin shaft, and the front end pin shaft of the lower part is connected with the lower chord of the cargo boom, the rear end of the lower part is connected with the balance arm through a pin shaft. In addition, in order to facilitate control, a cab can be arranged on the side face of the lower support, so that the hoisting operation is facilitated.
In this embodiment, in order to improve the stability in the rotation process, the rotation mechanism includes a motor 7 and a rotation support 8, a hole for fixing and installing the rotation support is arranged in the middle of an upper support and a lower support, the tower head base is connected to the upper part of the rotation support, and the motor is fixed on one side of the upper support and drives the rotation support to freely rotate relative to the upper support; the motor is provided with a rotary brake and is in a normally closed mode, when the motor does not work, when the wind speed reaches 8 grades or above, the rotary part is arranged to rotate along with the wind, and the wind-driven tower crane is realized by adjusting the gap between the brake and the friction sheet. In addition, the slewing bearing is an 011.40.116 single-row ball type, the meshing transmission ratio of big and small gears is lambda =125/12=10.146, and the module m =10, so that the required slewing requirement is met.
Balance arm 9 and jib loading boom 10 install respectively in the both sides of tower head assembly, in this embodiment, for improving structural stability, the balance arm sets up to the monolithic truss structure that forms by steel sheet and channel-section steel, square pipe tailor-welding, and its head downside is equipped with balancing weight 11, for further improvement balance arm's stability, it is fixed that the head upside of upper end rear side of the support bar of erectting and balance arm on the tower head assembly passes through arm-tie 12 to be connected. In addition, in order to conveniently fix the electric cabinet, a detachable bracket is arranged on one side of the balance arm and used for fixing the electric cabinet and the brake resistor; the crane boom comprises a plurality of sections of boom sections which are connected with each other, the boom sections are of a triangular cross-section space truss structure formed by welding steel plates, round steel, round pipes and sharp-angled pipes, lifting pulleys 13 are arranged at the tail root part and the middle part of the crane boom, and amplitude changing pulleys 14 are arranged at the head end part and the tail root part. In addition, in order to prevent the steel wire rope from twisting and knotting, a steel wire rope anti-twisting device 15 is arranged at the head end part of the crane boom. In addition, in order to facilitate the surrounding fixation of the hoisting steel wire rope and the amplitude-variable steel wire rope, the hoisting pulley is fixed at the middle position of the upper side chord frame of the boom middle arm section and the middle position of the tail lower side chord frame of the tail end arm section, and the amplitude-variable pulley is respectively fixed at the middle position of the head lower side of the boom head end arm section and the middle position of the tail lower side chord frame of the tail end arm section.
In this embodiment, in order to facilitate the connection of the tower head assembly with the boom and the balance arm, the front end of the upper part of the vertical support rod of the tower head assembly is connected with a support frame 16 through a pin shaft, the other end of the support frame is connected with the upper chord frame body of the boom, the rear end of the upper part of the vertical support rod is connected with the pull plate of the balance arm through a pin shaft, a detachable pulley block is arranged at the top of the vertical support rod, the vertical support rod can be used for threading when the hoisting mechanism is used for self-disassembling the boom, and correspondingly, an auxiliary boom 17 is arranged in the middle position of the upper side of the boom, so that the vertical support rod is convenient to use when the boom is self-disassembled.
The load trolley is connected to the lower side of the crane boom in a sliding mode and is used for hoisting heavy objects, and the hoisting mechanism is fixed to the head of the balance boom and is connected with the load trolley through a steel wire rope and used for hoisting the heavy objects by the load trolley. For conveniently playing to rise the heavy object, the load dolly includes automobile body mechanism and lifting hook mechanism, and automobile body mechanism includes automobile body 18, goes up hoist and mount pulley 19 and walking wheel 20, the walking wheel is connected at the automobile body upside and can freely walk and roll on the lower chord of arm section, goes up the hoist and mount pulley and fixes at automobile body downside middle part and include two sets ofly, and every group is including the pulley of two relative settings around, lifting hook mechanism is including bearing fixed part 21, lower hoist and mount pulley 22 and lifting hook 23, and the lifting hook is connected in bearing the fixed part lower part, and lower hoist and mount pulley is connected on bearing the fixed part and connect through wire rope and hoist and mount pulley. Then, the heavy object is hoisted by the lifting hook, then the lower hoisting pulley, the upper hoisting pulley and the steel wire rope drive the heavy object to move up and down together, and the load trolley drives the heavy object to move back and forth on the crane boom, so that the amplitude changing process is realized. In addition, in order to facilitate the maintenance, the maintenance hanging rail 30 is arranged on one side of the vehicle body, so that the maintainers can be safely conveyed to the maintenance position of the crane boom to be maintained and installed, and the practicability is high.
In order to conveniently realize the lifting process of the heavy object, the lifting mechanism comprises a lifting driving mechanism 24 and a winding drum 25, the lifting driving mechanism drives the winding drum to roll, a steel wire rope 26 for lifting is arranged at the winding drum winding head, the end part of the steel wire rope sequentially passes through and surrounds a lifting pulley in the middle of the crane boom, a lifting pulley at the tail end of the crane boom, an upper lifting pulley in one group, a lower lifting pulley in the other group and is finally connected to the end part of the crane boom, and in the actual application, in order to avoid knotting of the steel wire rope, the final end part of the lifting steel wire rope is fixed on a steel wire rope torsion prevention device. Then, the winding drum is driven to roll by the lifting driving motor, so that the steel wire rope is driven to slide on the lifting pulley, the upper hoisting pulley and the lower turning pulley, and a heavy object is driven to realize the lifting process. In addition, a multifunctional limiter DXZ-4/7 is installed at the end of reel axle to stop the lifting mechanism automatically when the weight reaches the highest or lowest position and allow it to run in opposite direction.
In order to conveniently realize the amplitude variation motion in the heavy object hoisting process, the amplitude variation mechanism comprises an amplitude variation driving mechanism 27 and an amplitude variation winding drum 28, the amplitude variation driving mechanism is arranged in the middle of the crane boom in the amplitude variation winding drum, the amplitude variation winding drum is driven by the amplitude variation driving mechanism to roll, an amplitude variation steel wire rope 29 for amplitude variation is arranged on the amplitude variation winding drum, one end of the amplitude variation steel wire rope penetrates through an amplitude variation pulley at the head end part of the crane boom and is connected with one end part of the load-carrying trolley, and the other end of the amplitude variation steel wire rope penetrates through an amplitude variation pulley at the tail root part of the crane boom and is connected with the other end of the load-carrying trolley. Then, the amplitude-variable winding drum is driven to roll by the amplitude-variable driving mechanism, so that the load-carrying trolley moves front and back on the lower side of the crane boom, the front and back amplitude-variable movement process of the heavy object is realized, and the hoisting is convenient. In order to facilitate operation and improve operation stability, the variable-amplitude driving mechanism adopts a YVFE3-112M1-4H-4kw variable-frequency speed regulation motor, a variable-amplitude winding drum is driven by a planetary reducer, so that the load-carrying trolley makes back-and-forth variable-amplitude motion on an arm support rail at the speed of 0-56M/min, variable-amplitude driving is performed through variable-frequency speed regulation, an operating handle is used for operation, and switching between gears is rapid and stable.
In the actual hoisting process, firstly, the glass curtain wall is packaged and fixed, then the glass curtain wall is connected and fixed on a lifting hook through a connecting rope, then a hoisting mechanism is started to drive a hoisting steel wire rope to slide on a hoisting pulley and a hoisting pulley, then a bearing fixing part and a lower hoisting part are driven to slide upwards, so that the hoisting process of a heavy object is realized, then the luffing mechanism is started, a motor of the luffing mechanism drives a luffing roller to roll, then the luffing steel wire rope is driven to slide on the luffing pulley, so that a load trolley is driven to integrally slide back and forth on a track of a crane boom, the front and back displacement process of the heavy object is realized, the heavy object is conveniently moved to a specified position, then the hoisting mechanism is controlled to drive the heavy object to descend, the heavy object is put down, then the hook is released, and then the hoisting process of the glass curtain wall is completed.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a be used for glass curtain wall hoist and mount floor tower machine which characterized in that: including base assembly, rotation mechanism, balance arm, hoisting mechanism, tower head assembly, jib loading boom, luffing mechanism and load dolly, the tower head assembly is installed on base assembly and is driven relative base assembly free rotation through rotation mechanism, the both sides at the tower head assembly are installed respectively to balance arm and jib loading boom, and load dolly sliding connection just uses the hoist and mount heavy object at the downside of jib loading boom, and hoisting mechanism fixes the head at balance arm and is connected and is used for the load dolly to play to rise the heavy object through wire rope and load dolly.
2. The floor tower crane for hoisting of the glass curtain wall as claimed in claim 1, wherein: the base assembly comprises a tower crane chassis, a lower support and an upper support, the tower crane chassis is fixedly connected with a building through a connecting piece, the lower support is connected to the upper portion of the tower crane chassis, and the upper support is fixedly installed on the lower support.
3. The floor tower crane for hoisting of the glass curtain wall as claimed in claim 2, wherein: the tower head assembly comprises a tower head base, two vertical supporting rods and two inclined supporting rods, wherein the tower head base is movably connected to the upper support, the two vertical supporting rods are respectively supported on one side of the tower head base, the two inclined supporting rods are respectively and obliquely supported at the upper ends of the vertical supporting rods and the other side of the tower head base, and a supporting cross rod is connected between the vertical supporting rods.
4. The floor tower crane for hoisting glass curtain walls as claimed in claim 3, wherein the floor tower crane comprises: the slewing mechanism comprises a motor and a slewing bearing, wherein a hole for fixedly mounting the slewing bearing is formed in the middle of the upper support and the lower support, the tower head base is connected to the upper portion of the slewing bearing, and the motor is fixed on one side of the upper support and drives the slewing bearing to freely rotate relative to the upper support.
5. The floor tower crane for hoisting glass curtain walls as claimed in claim 3, wherein the floor tower crane comprises: the balance arm is of a single-piece truss structure formed by welding steel plates, channel steel and square tubes, and a balancing weight is arranged on the lower side of the head of the balance arm.
6. The floor tower crane for hoisting glass curtain walls as claimed in claim 1, wherein the floor tower crane comprises: the crane boom comprises a plurality of sections of boom sections which are connected with each other, the boom sections are of a triangular cross-section space truss structure formed by welding steel plates, round steel, round pipes and sharp-angled pipes, lifting pulleys are arranged at the tail root part and the middle part of the crane boom, and amplitude changing pulleys are arranged at the head end part and the tail root part.
7. The floor tower crane for hoisting glass curtain walls as claimed in claim 6, wherein the floor tower crane comprises: the lower chords between the arm sections are connected by a quick-assembly type connecting structure, and the upper chords are connected by large-gap pin shafts.
8. The floor tower crane for hoisting glass curtain walls as claimed in claim 6, wherein the floor tower crane comprises: the load dolly includes automobile body mechanism and lifting hook mechanism, and automobile body mechanism includes the automobile body, goes up hoist and mount pulley and walking wheel, the walking wheel is connected at the automobile body upside and can freely walk and roll on the lower chord of arm section, goes up hoist and mount pulley and fixes at automobile body downside middle part, lifting hook mechanism is including bearing fixed part, hoist and mount pulley and lifting hook down, and the lifting hook is connected and is being born the fixed part lower part, and hoist and mount pulley connection down is just connected through wire rope and connect the hoist and mount pulley on bearing the fixed part.
9. The floor tower crane for hoisting glass curtain walls as claimed in claim 8, wherein: the hoisting mechanism comprises a hoisting driving mechanism and a winding drum, the hoisting driving mechanism drives the winding drum to roll, a hoisting steel wire rope is arranged on the winding drum, and the end part of the steel wire rope penetrates through and surrounds the hoisting pulley on the crane boom and winds the hoisting pulley and the lower turning pulley and is connected to the end part of the crane boom.
10. The floor tower crane for hoisting of the glass curtain wall as claimed in claim 6, wherein: the luffing mechanism comprises a luffing driving mechanism and a luffing drum, the luffing driving mechanism is arranged in the middle of the jib boom in the luffing drum, the luffing driving mechanism drives the luffing drum to roll, the luffing drum is coiled with a luffing steel wire rope, one end of the luffing steel wire rope penetrates through a luffing pulley at the head end part of the jib boom and is connected with one end part of the load-carrying trolley, and the other end of the luffing steel wire rope penetrates through a luffing pulley at the tail root part of the jib and is connected with the other end of the load-carrying trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122851924.0U CN216997385U (en) | 2021-11-20 | 2021-11-20 | Tower crane for hoisting floor of glass curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122851924.0U CN216997385U (en) | 2021-11-20 | 2021-11-20 | Tower crane for hoisting floor of glass curtain wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216997385U true CN216997385U (en) | 2022-07-19 |
Family
ID=82382331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122851924.0U Active CN216997385U (en) | 2021-11-20 | 2021-11-20 | Tower crane for hoisting floor of glass curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216997385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215237A (en) * | 2022-09-19 | 2022-10-21 | 浙江省北大信息技术高等研究院 | Tower crane intelligent trolley for changing amplitude and intelligent tower crane |
-
2021
- 2021-11-20 CN CN202122851924.0U patent/CN216997385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215237A (en) * | 2022-09-19 | 2022-10-21 | 浙江省北大信息技术高等研究院 | Tower crane intelligent trolley for changing amplitude and intelligent tower crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110104522B (en) | Traction type construction lifter for folding roof beam and construction method thereof | |
| CN109823963B (en) | Hoisting equipment for prefabricated components of fabricated building | |
| CN215756065U (en) | Quick hoist device of construction is contained to prefabricated box of bridge | |
| CN103848360A (en) | Assembled tower type crane with mobile balancing weight system | |
| CN216997385U (en) | Tower crane for hoisting floor of glass curtain wall | |
| CN218088688U (en) | Counterweight system and tower crane | |
| CN210048319U (en) | Traction type construction elevator with foldable top beam | |
| CN201495051U (en) | Crane jib for flat-top tower crane | |
| CN1666948A (en) | Inside climbing tower crane with multi-hook and deep well winch | |
| CN201214598Y (en) | Column crane special for movable arm type tower erection | |
| CN214879790U (en) | Movable arm tower crane | |
| CN201074171Y (en) | Winding machine | |
| CN201713229U (en) | Steel box girder cable-loaded crane for suspension bridge construction | |
| CN2473173Y (en) | Pulley type suspending arm hoist | |
| CN109928315A (en) | A kind of Construction of Steel Structure boom hoisting | |
| CN201406825Y (en) | Hanging basket for flue maintenance | |
| CN221021636U (en) | Prefabricated T roof beam hogging moment stretch-draw platform truck | |
| CN213356723U (en) | Hanger rod of construction elevator | |
| CN219526040U (en) | Trolley traveling rotation mechanism for container portal crane | |
| CN216711434U (en) | High-lift hoister | |
| CN219528454U (en) | Large-span steel vestibule lifting device | |
| CN2895368Y (en) | Small-sized storey slings | |
| CN218114875U (en) | Building material lifting machine | |
| CN214456433U (en) | Winch lifting device with variable frequency control assembly | |
| CN220149048U (en) | Hoisting mechanism capable of slowing down shaking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |