CN216512520U - Lifting system suitable for small space - Google Patents

Lifting system suitable for small space Download PDF

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Publication number
CN216512520U
CN216512520U CN202123120669.9U CN202123120669U CN216512520U CN 216512520 U CN216512520 U CN 216512520U CN 202123120669 U CN202123120669 U CN 202123120669U CN 216512520 U CN216512520 U CN 216512520U
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CN
China
Prior art keywords
lifting
truss
lifting truss
building structure
fixed
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Application number
CN202123120669.9U
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Chinese (zh)
Inventor
董林延
范晓华
骆明足
楚艳海
栾宝森
毛玺凯
陈强
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China Railway 10th Bureau Group Urban Construction Engineering Co ltd
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China Railway 10th Bureau Group Urban Construction Engineering Co ltd
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Priority to CN202123120669.9U priority Critical patent/CN216512520U/en
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Abstract

The utility model provides a lifting system suitable for small space, which breaks through the traditional vertical transportation mode, fully combines the actual situation of a construction site, installs a main body of the lifting system at the top of the existing building structure, is slightly limited by the site, is simple to operate, quick to install, convenient to disassemble, shortens the construction period and saves the cost, and comprises a lifting truss, wherein the lifting truss is fixed at the top of the building structure through a main supporting steel column; the middle part and the left and right sides of the rear end of the lifting truss are respectively fixed on the top of the building structure through a drawknot chain; the lifting truss is characterized in that a fixed pulley is arranged at the upper part of the front end of the lifting truss, a winch is arranged at the upper part of the rear end of the lifting truss, a lifting steel wire rope is matched with the winch, and a lifting point at the end part of the lifting steel wire rope bypasses the fixed pulley and faces downwards vertically.

Description

Lifting system suitable for small space
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a lifting system suitable for a small space.
Background
The city construction tends to centralization nowadays, most construction sites can not provide the operation space of the traditional vertical transportation mode, so the hoisting and installation of materials and equipment become the main difficult problem to be overcome at present. Especially in high-speed railway station room reconstruction engineering and existing building reconstruction engineering, the construction site is greatly limited, and when traditional tower cranes and truck cranes are in construction, the mechanical support occupies a large area, the operation rotating radius is large, small-space operation construction is inconvenient, and the rental mechanical cost is high. The scaffold erection is also a method for hoisting and installing materials and equipment, but the construction amount of the scaffold erection is huge, so that the problems of long construction period, high cost, resource waste and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a lifting system suitable for a small space, breaking through the traditional vertical transportation mode, fully combining the actual situation of a construction site, installing the main body of the lifting system at the top of the existing building structure, being slightly limited by the site, being simple to operate, being rapid to install and convenient to disassemble, shortening the construction period and saving the cost.
The utility model is realized by the following technical scheme:
a lifting system suitable for small spaces comprises a lifting truss fixed on the top of a building structure through main supporting steel columns;
the middle part and the left and right sides of the rear end of the lifting truss are respectively fixed on the top of the building structure through a drawknot chain;
the lifting truss is characterized in that a fixed pulley is arranged at the upper part of the front end of the lifting truss, a winch is arranged at the upper part of the rear end of the lifting truss, a lifting steel wire rope is matched with the winch, and a lifting point at the end part of the lifting steel wire rope bypasses the fixed pulley and faces downwards vertically.
Furthermore, the lower side part of the lifting truss is fixed at the top of the building structure through an adjustable supporting screw rod, the adjustable supporting screw rod comprises a vertical screw rod with a bottom plate, the vertical screw rod is connected with an adjusting nut in a threaded mode, the left side and the right side of the adjusting nut are provided with connecting plates, supporting rods are installed through the connecting plates, and the upper ends of the supporting rods are connected with the lower side part of the lifting truss.
Furthermore, one end of the pull chain is fixed on the lifting truss, an electric hoist is arranged at the other end of the pull chain, and a hook of the electric hoist is fixed at the top of the building structure through a chain.
Furthermore, the whole lifting truss is in an inverted triangle shape, and the length of the lifting truss is 9.25-9.5 m.
Compared with the prior art, the utility model has the following beneficial effects:
1. the lifting truss is fixed at the top of the building structure through the main support steel column matched with the tie chain, the overall stability, the anti-overturning performance and the flexibility of the lifting system meet requirements, the lifting, the fixing and the mounting of materials can be realized, the traditional vertical transportation mode is broken through, the actual situation of a construction site is fully combined, and the lifting system is suitable for construction projects which cannot be used by the traditional transportation mode due to limited sites;
2. the lower side part of the lifting truss is fixed on the top of the building structure through the adjustable supporting screw rod, so that the stable supporting effect can be further improved, and when the whole lifting system is installed, the lifting truss can be adaptively adjusted according to different heights of the top surface of the existing building structure;
3. the whole taut degree of drawknot chain control through electric block guarantees to promote truss overall stability, receives the place restriction little, easy operation, and the installation is rapid, and it is convenient to dismantle, and reduction of erection time practices thrift the cost.
Drawings
FIG. 1 is a top view of a lift system according to the present invention;
FIG. 2 is a side view of the lift system of the present invention;
FIG. 3 is a schematic view of an adjustable support screw according to the present invention;
FIG. 4 is a schematic view of the pull chain of the present invention engaged with an electric hoist;
in the figure: 1. lifting truss, 2, main tributary support steel column, 3, adjustable supporting screw, 4, lifting steel wire rope, 5, hoist engine, 6, electric block, 7, weight box, 8, vertical screw, 9, adjusting nut, 10, support column, 11, building structure, 12, drawknot chain, 13, fixed pulley.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "front", "back", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, the present embodiment discloses a lifting system suitable for a small space, which mainly includes a lifting truss 1, a main supporting steel column 2, an adjustable supporting screw 3, a winch 5, a fixed pulley 13, and a weight box 7.
The total length of the lifting truss 11 is 9.25m, the lifting truss 1 is positioned at the uppermost part of the whole lifting system, the frame is composed of three steel pipes and is arranged in an inverted triangle, and a plurality of short rods are arranged in the middle to be used as supports. The height of main tributary strut steel column 2 is 1.2m, and in this embodiment, main tributary strut steel column 2 is a seamless steel pipe, and through four hexagonal high-strength bolts connections, with each preformed hole alignment when connecting, through high-strength bolt and screw up in advance, rethread torque wrench screws up. The bottom of the main support steel column 2 can be fixed to the top of the existing building structure 11, and a movable platform can be arranged at the bottom of the main support steel column 2 for convenient movement.
Adjustable supporting screw 3 is including the vertical screw 8 that has the bottom plate, and threaded connection has adjusting nut 9 on vertical screw 8, and adjusting nut 9 left and right sides erection joint board, detachable erection bracing post 10 on the connecting plate, the upper end welding of support column are in 1 bottoms of promotion truss, and vertical screw 8's bottom plate passes through the bolt fastening at existing 11 top surfaces of building structure.
The fixed pulley 13 is arranged at the front end of the lifting truss 1, and the winch 5 is arranged on a rear end support of the lifting truss 1 through a bolt. The hoisting machine is matched with a hoisting steel wire rope 4, and a hoisting point at the end part of the hoisting steel wire rope 4 bypasses the fixed pulley 13 and is vertically downward for transporting heavy objects. The weight box 7 is arranged at the last position of the rear end of the lifting truss 1 and is connected with the frame-shaped steel pipe of the lifting truss 1 in a welding mode.
The middle part and the left and right sides of the rear end of the lifting truss 1 are respectively fixed at the top of the building structure 11 through the pull chains 12 matched with the electric block 6, one end of each pull chain 12 is fixed on the frame of the lifting truss 1, the other end of each pull chain is connected with the electric block 6, and the hook of each electric block 6 is fixed at the top of the building structure 11 through the lock chain. The two sets of the pull-knot chains 12 are distributed in a splayed shape, so that the stability of the truss 1 is further adjusted and improved.
The specific installation process of the lifting system suitable for the small space is as follows:
1. firstly, selecting a proper position on the top surface of an existing building structure 11, installing a main supporting steel column 2, and installing a lifting truss 1 on the top of the main supporting steel column 2;
2. the height position of the adjusting nut 9 on the vertical screw 8 is adjusted, so that the adjusting nut 9 is connected with a supporting column fixed on the lifting truss 1 into a whole;
3. the left side and the right side of the middle part and the rear end of the lifting truss 1 are respectively fixed on the top of a building structure 11 through a pull chain 12 matched with an electric hoist 6;
4. and a steel wire rope, a winch 5 and a weight box 7 are arranged on the lifting truss 1 in a matching way.
The lifting system suitable for the small space breaks through the traditional vertical transportation mode, the actual situation of a construction site is fully combined, the overall stability, the anti-overturning performance and the flexibility of the equipment meet the requirements, the lifting, the fixing and the installation of materials can be realized, and the lifting system is suitable for the construction engineering which cannot be used by the traditional transportation mode due to the limited site; meanwhile, the materials of the utility model are convenient to obtain, the self weight of the equipment is light, and the integral movement is convenient; compared with the traditional vertical transportation mode, the vertical transportation mode has the advantages of small site limitation, simplicity in operation, rapidness in installation, convenience in disassembly, reduction in construction period and cost saving.

Claims (4)

1. A lifting system suitable for small spaces, comprising a lifting truss fixed on the top of a building structure through main supporting steel columns;
the middle part and the left and right sides of the rear end of the lifting truss are respectively fixed on the top of the building structure through a drawknot chain;
the lifting truss is characterized in that a fixed pulley is arranged at the upper part of the front end of the lifting truss, a winch is arranged at the upper part of the rear end of the lifting truss, a lifting steel wire rope is matched with the winch, and a lifting point at the end part of the lifting steel wire rope bypasses the fixed pulley and faces downwards vertically.
2. The lifting system according to claim 1, wherein the lower side part of the lifting truss is fixed on the top of the building structure through an adjustable support screw, the adjustable support screw comprises a vertical screw with a bottom plate, an adjusting nut is connected to the vertical screw in a threaded manner, connecting plates are arranged on the left side and the right side of the adjusting nut, a support rod is installed through the connecting plates, and the upper end of the support rod is connected with the lower side part of the lifting truss.
3. The lifting system according to claim 1, wherein one end of the drawknot chain is fixed to the lifting truss and the other end is provided with an electric block, and a hook of the electric block is fixed to the top of the building structure through a chain.
4. The lifting system of claim 3, wherein the lifting truss is generally inverted triangular in shape, and the lifting truss has a length of 9.25-9.5 m.
CN202123120669.9U 2021-12-14 2021-12-14 Lifting system suitable for small space Active CN216512520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123120669.9U CN216512520U (en) 2021-12-14 2021-12-14 Lifting system suitable for small space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123120669.9U CN216512520U (en) 2021-12-14 2021-12-14 Lifting system suitable for small space

Publications (1)

Publication Number Publication Date
CN216512520U true CN216512520U (en) 2022-05-13

Family

ID=81469120

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123120669.9U Active CN216512520U (en) 2021-12-14 2021-12-14 Lifting system suitable for small space

Country Status (1)

Country Link
CN (1) CN216512520U (en)

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