CN110862023A - Construction method of mechanical hoisting device - Google Patents
Construction method of mechanical hoisting device Download PDFInfo
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- CN110862023A CN110862023A CN201911151981.9A CN201911151981A CN110862023A CN 110862023 A CN110862023 A CN 110862023A CN 201911151981 A CN201911151981 A CN 201911151981A CN 110862023 A CN110862023 A CN 110862023A
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- fixed
- arm
- frame platform
- construction method
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to a construction method of a mechanical hoisting device, belongs to the technical field of construction mechanical equipment, and is used for solving the problem of carrying a unit structure at a position where a tower crane cannot be installed due to a complex building structure and a small construction space. The roof support device comprises a frame platform fixed on a roof through a vertically arranged fixed support, a fixed arm and an adjusting arm fixed on the frame platform, wherein a winch and a balance weight are also arranged on the frame platform; one end of the fixed arm is fixed on the frame platform, and a row of bolt holes are formed in the fixed arm along the length direction of the fixed arm; the adjusting arm is connected with the fixed arm through a bolt; the counter weight sets up in the frame platform and keeps away from one side of fixed arm. The device has realized the transport of cell structure under the condition that building structure is complicated, construction space is less or the tower crane has been demolishd.
Description
Technical Field
The invention relates to the technical field of construction machinery equipment, in particular to a construction method of a mechanical hoisting device.
Background
In the engineering construction process, the demand on the unit body structure is more and more increased, and the construction of the building structure is mainly completed by using the larger unit body structure. However, compared with a single member, the unit structure itself has a large volume and weight, and how to transport the unit structure to the upper layer of the building becomes a problem to be solved in the construction process. Generally, tower cranes are generally used for transportation when field conditions permit. However, the tower crane cannot be installed at a position with a complex building structure and a small construction space.
Therefore, how to realize the transportation of the unit structure under the condition that the building structure is complicated, the construction space is small or the tower crane is already dismantled is a technical problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The novel mechanical hoisting device is provided for the carrying problem of the position unit body structure of the tower crane which is complicated in building structure and small in construction space and cannot be installed.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a construction method of a mechanical hoisting device comprises the following steps:
providing the mechanical hoisting device for standby, wherein a frame platform provided with universal wheels is fixed on a roof through a vertically arranged fixed support, and a winch, an electric box and a balance weight are respectively placed on the frame platform; a fixed arm is arranged on one side of the frame platform far away from the balance weight through a fixed frame, and the fixed arm is connected with an adjusting arm through a bolt;
a steel wire rope on a winding shaft of the winch is arranged around a guide pulley at the tail end of an adjusting arm in a hanging mode, the guide pulley is provided with a travel switch in a matching mode, and the tail end of the steel wire rope is provided with a lifting hook;
and starting the travel switch, and adjusting the distance between the unit body structure connected with the steel wire rope hook and the roof in the hoisting process.
Furthermore, the number of the guide pulleys is two, and the distance and the included angle between the two guide pulleys are controlled through an upper limit travel switch.
Furthermore, the fixing frame further comprises a fixing frame, the upper end of the fixing frame is fixedly connected with the fixing arm, and the lower end of the fixing frame is fixedly connected with the frame platform.
Furthermore, the roof-mounted frame platform further comprises universal wheels, wherein the universal wheels are arranged on one side, close to the roof, of the frame platform.
Further, the frame platform is formed by welding steel square pipes.
Further, the fixed bolster set up in frame platform's bottom is all around, the height that highly is higher than roofing parapet of fixed bolster.
Further, the fixed arm and the adjusting arm are both fixed in an inclined mode at 45 degrees.
Compared with the prior art, the invention has the beneficial technical effects as follows:
(1) according to the construction method of the mechanical hoisting device, the fixed arm is arranged on the frame platform and is connected with the adjusting arm through the bolt, the defect that the length of the main arm is fixed and is only suitable for a single project in the traditional single-arm crane is overcome, the application range is enlarged, the use is more convenient and flexible, the mechanical hoisting device can be suitable for different working conditions, and is particularly suitable for carrying of unit structures under the conditions that the building structure is complex, the construction space is small or a tower crane is dismantled. Moreover, the adjusting arm is detachably connected with the fixed arm, so that the transfer is convenient, and the material cost and the transportation cost are saved.
(2) According to the construction method of the mechanical hoisting device, the vertical fixed support is adopted for supporting the frame platform, and compared with the inclined support adopted by the traditional single-arm crane, the influence of the height and thickness of the parapet wall of the roof on a hoisting system can be effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical hoisting device in an embodiment of the present invention.
In the figure:
1-fixing a support; 2-universal wheels; 3-counterweight; 4-a winch; 5-a frame platform; 6-steel wire rope; 7-a fixed arm; 8-an adjusting arm; 9-upper limit travel switch; 10-guide pulley.
Detailed Description
The mechanical hoisting device and the construction method provided by the invention are further described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
The structural components of the mechanical hoisting device proposed by the present invention are described in detail below with reference to fig. 1.
Example one
Referring to fig. 1, a construction method of a mechanical hoisting device includes a frame platform 5, a fixed arm 7 and an adjusting arm 8, wherein the frame platform 5 is fixed on a roof through a vertically arranged fixed support 1, a winch is arranged on the frame platform 5, a steel wire rope 6 is wound on a winding drum of the winch 4, and one end of the steel wire rope 6, which is provided with a hook, is suspended around a guide pulley fixed on the adjusting arm 8; one end of a fixed arm 7 is fixed on the frame platform 5, and a row of bolt holes are arranged on the fixed arm 7 along the length direction; the adjusting arm 8 is provided with a bolt hole in a matching way, and the adjusting arm 8 is connected with the fixed arm 7 through a bolt; and a counterweight 3 is arranged on one side of the frame platform 5 far away from the fixed arm 7.
Specifically, a traditional single-arm crane is adopted to hoist the unit body structure on the finished surface of the curtain wall, and the single-arm crane is arranged on the roof. The influence of the height and the thickness of the parapet on the front supporting arm is not considered in the traditional single-arm crane, the height of the parapet of the roof of the upper part is generally not less than 1200mm, the thickness of the roof slope finding layer and the thickness of the waterproof heat preservation layer and the surface decoration layer are considered, the height of 200mm is added, the height is generally about 1400mm, and the thickness of the parapet is calculated according to 250 mm. The included angle between the front supporting arm and the horizontal plane is calculated according to 60 degrees, and the distance between the unit structure and the finished surface of the curtain wall is calculated according to 500mm in the hoisting process. Then:
1400/√ 3+250+500 is 1558 > 1500, and the construction requirement cannot be met.
Moreover, the length of the traditional single-arm hanging main arm is fixed, the traditional single-arm hanging main arm is only suitable for a certain project, and the traditional single-arm hanging main arm has no universality on other similar projects, and is not beneficial to the reutilization of materials.
Therefore, according to the mechanical hoisting device provided by the invention, the fixed arm 7 and the adjusting arm 8 are arranged on the frame platform 5, the connecting ends of the adjusting arm 8 and the fixed arm 7 are respectively provided with a bolt hole, and the fixed arm 7 is connected with the adjusting arm 8 through a bolt. This model hoist device has not only overcome traditional single armed and has had the fixed defect only that is applicable to single project of main arm length, has increased application range, uses convenient more nimble, can be applicable to different operating modes moreover, especially is fit for the transport of unit body structure under the condition that building structure is complicated, construction space is less or the tower crane has been demolishd. Moreover, the adjusting arm is detachably connected with the fixed arm, so that the transfer is convenient, and the material cost and the transportation cost are saved.
In the present embodiment, it is more preferable that both the fixed arm 7 and the adjusting arm 8 are fixed at an angle of 45 degrees for easy installation and ensuring the balance of the stress of the whole device.
In this embodiment, more preferably, there are two guide pulleys 10, and the distance and the included angle between the two guide pulleys are controlled by the upper limit travel switch 9, so as to adjust the distance between the steel wire rope and the finished surface of the curtain wall, and ensure the smooth operation of hoisting.
In this embodiment, it is further preferable that the fixing device further includes a fixing frame (not shown), an upper end of the fixing frame is fixedly connected to the fixing arm 7, and a lower end of the fixing frame is fixedly connected to the frame platform 5. For convenience of installation, the fixing frame can be in a structural form that a rectangular block is matched with a wedge block, the rectangular block is fixed on the frame platform 5, the wedge block is fixed above the rectangular block, and the rectangular block and the wedge block are jointly used for supporting the fixing arm 7. Of course, vertical supports and braces may be used instead of wedge blocks.
In this embodiment, it is more preferable that the roof-mounted vehicle further includes a universal wheel 2, and the universal wheel 2 is disposed on a side of the frame platform 5 close to the roof. Through setting up universal wheel 2, make things convenient for the removal of frame platform 5 at the roofing.
In the present embodiment, more preferably, in order to obtain materials conveniently and save cost, the frame platform 5 is formed by welding square steel pipes. Moreover, after the welding of the steel square pipe is completed, a surface treatment by spraying is required, so that the corrosion resistance of the frame platform 5 is enhanced. In this embodiment, the supporting arm of the device is divided into a fixed arm 7 and an adjusting arm 8, and according to the design, the fixed arm 7 is a rectangular tube of 120 × 6, and the adjusting arm 8 is a rectangular tube of 100 × 6, and the material is Q235.
In this embodiment, it is more preferable that the fixed support 1 is disposed around the bottom end of the frame platform 5, and the height of the fixed support 1 is higher than the height of the parapet wall. When the device is in a non-working state, the fixed support 1 can be retracted in the process of moving the frame platform 5 through the universal wheels 2; when the lifting machine is in a working state, the fixed support 1 is put down for stabilizing the lifting machine and protecting the travelling wheels.
With continuing reference to fig. 1, the present invention further provides a construction method of the mechanical hoisting device, the construction method comprising:
providing a mechanical hoisting device for standby, wherein a frame platform 5 provided with universal wheels 2 is fixed on a roof through a vertically arranged fixed support 1, and a winch 4, an electric box and a counterweight 3 are respectively placed on the frame platform 5; a fixed arm 7 is arranged on one side of the frame platform 5 far away from the balance weight 3 through a fixed frame, and an adjusting arm 8 is connected to the fixed arm 7 through a bolt;
a steel wire rope 6 on a winding shaft of the winch 4 is arranged in a hanging manner by winding around a guide pulley at the tail end of an adjusting arm 8, the guide pulley is provided with a travel switch in a matching manner, and the tail end of the steel wire rope 6 is provided with a lifting hook;
and starting a travel switch, and adjusting the distance between the unit body structure connected with the steel wire rope hook and the roof in the hoisting process, thereby smoothly completing the hoisting work of the unit body structure.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (7)
1. A construction method of a mechanical hoisting device is characterized by comprising the following steps:
providing the mechanical hoisting device for standby, wherein a frame platform provided with universal wheels is fixed on a roof through a vertically arranged fixed support, and a winch, an electric box and a balance weight are respectively placed on the frame platform; a fixed arm is arranged on one side of the frame platform far away from the balance weight through a fixed frame, and the fixed arm is connected with an adjusting arm through a bolt;
a steel wire rope on a winding shaft of the winch is arranged around a guide pulley at the tail end of an adjusting arm in a hanging mode, the guide pulley is provided with a travel switch in a matching mode, and the tail end of the steel wire rope is provided with a lifting hook;
and starting the travel switch, and adjusting the distance between the unit body structure connected with the steel wire rope hook and the roof in the hoisting process.
2. The construction method according to claim 1, wherein the number of the guide pulleys is two, and the distance and the included angle between the two are controlled by an upper limit travel switch.
3. The construction method according to claim 1, further comprising a fixing frame, wherein the upper end of the fixing frame is fixedly connected with the fixing arm, and the lower end of the fixing frame is fixedly connected with the frame platform.
4. The construction method according to claim 1, further comprising universal wheels, wherein the universal wheels are arranged on one side of the frame platform close to the roof.
5. The construction method according to claim 1, wherein the frame platform is formed by welding square steel pipes.
6. The construction method according to claim 1, wherein the fixed support is arranged around the bottom end of the frame platform, and the height of the fixed support is higher than that of the parapet wall of the roof.
7. The construction method according to claim 1, wherein the fixing arm and the adjusting arm are both fixed at an inclination of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911151981.9A CN110862023A (en) | 2019-11-22 | 2019-11-22 | Construction method of mechanical hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911151981.9A CN110862023A (en) | 2019-11-22 | 2019-11-22 | Construction method of mechanical hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110862023A true CN110862023A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911151981.9A Pending CN110862023A (en) | 2019-11-22 | 2019-11-22 | Construction method of mechanical hoisting device |
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| Country | Link |
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| CN (1) | CN110862023A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180483A (en) * | 2021-12-03 | 2022-03-15 | 中建新疆建工集团第一建筑工程有限公司 | A instrument that is used for indoor mobilizable vertical hoisting |
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| CN2102281U (en) * | 1991-04-27 | 1992-04-22 | 吴焕清 | Civil collapsible crane |
| CN2717913Y (en) * | 2004-05-17 | 2005-08-17 | 汪振平 | Micro-hoisting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114180483A (en) * | 2021-12-03 | 2022-03-15 | 中建新疆建工集团第一建筑工程有限公司 | A instrument that is used for indoor mobilizable vertical hoisting |
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Application publication date: 20200306 |