CN115573577A - Adjustable steel roof truss hoisting device and use method - Google Patents

Abstract

The invention belongs to the technical field of steel structure installation, and relates to an adjustable steel roof truss hoisting device, which includes a frame main body, a locking assembly and an adjustment assembly. The frame main body can drive the overall displacement of the roof truss, and adjusting the adjusting component can change the inclination angle and installation height of the roof truss. The beneficial effects of the present invention are: the frame main body is set, and it is quickly fixed with the roof truss by the locking assembly, the overall force is on the frame main body, the web of the roof truss is not stressed, and no deformation and internal stress will occur, ensuring construction Quality and construction efficiency; through the mutual cooperation of the safety pin and the baffle, it can be fixed and removed quickly, which improves the construction efficiency and speed, saving time and effort; setting the adjustment component, the height adjustment at both ends of the roof truss can be quickly completed in the air, speeding up Construction progress, economic benefit is remarkable.

Description

An adjustable steel roof truss hoisting device and using method

technical field

The invention belongs to the technical field of steel structure installation, and in particular relates to an adjustable steel roof truss hoisting device and a using method.

Background technique

The steel bent structure factory building is generally a single-story factory building structure, and its factory building structure is generally composed of a support system and a load-bearing system, as well as steel columns, driving beams, roof trusses, wall skin systems and other structures. At this stage, steel bent structure workshops are widely used, and industrial and civil storage workshops mostly adopt this structural form, because it has simple processing, almost no special-shaped components, simple production materials, low production and installation costs, steel structure workshops Short installation period and other advantages. In the roof system of a factory building with a steel bent frame structure, the installation of the roof truss is a difficult point in the project, mainly because the roof truss is long and flexible. Parallelogram, there is a height difference between the left and the right to form a slope, and the height of one side cannot be adjusted after hoisting; after the roof truss is hoisted in place, it is not safe to remove the sling when working at heights to remove the lifting point. Therefore need a kind of new adjustable steel roof truss hoisting device and using method to solve above-mentioned technical problem.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides an adjustable steel roof truss hoisting device and its use method, which can solve the problems of easy deformation of the roof truss, inability to adjust the height of one side after hoisting, long construction period, low work efficiency, and high construction cost. question.

The technical solution adopted in the embodiment of the present invention is: an adjustable steel roof truss hoisting device, which can be connected to the roof truss that needs to be hoisted. The tightening component and the adjusting component are connected with the roof truss, driving the frame main body can drive the overall displacement of the roof truss, and adjusting the adjusting component can change the inclination angle and installation height of the roof truss.

Further, the frame main body is spliced by a plurality of structural units, and each structural unit includes a rectangle surrounded by upper chords, lower chords and vertical bars and diagonal bars connecting diagonal corners of the rectangles, and the rectangles pass through The vertical bars are spliced horizontally.

Further, the end-to-end connection of the inclined rod is in a W shape, and the upper chord and the lower chord are oppositely arranged.

Further, the locking device includes a slideway, an electromagnet and a safety pin, part and/or all of the vertical bars are connected to the electromagnet through the slideway, and the electromagnet is connected to the safety pin through the safety pin. The roof truss connection.

Further, the electromagnet can displace along the slideway, thereby driving the safety pin to displace.

Further, the electromagnet is provided with a pin hole, the safety pin is inserted into the pin hole, and the electromagnet can control the ejection and retraction of the safety pin.

Further, the locking device further includes a connecting piece and a stopper, part and/or all of the lower chord is connected to the stopper through the connecting piece, so as to fix the roof truss.

Further, the stopper and the electromagnet are arranged on the same side of the frame body, and the stopper and/or the safety pin are arranged parallel to the rectangle.

Further, the adjustment assembly includes a driving motor and a steel wire rope, the driving motor is arranged on the frame main body, one end of the steel wire rope is connected to the output end of the driving motor, and the other end is connected to the roof truss, through the The steel wire rope can adjust the inclination angle and installation height of the roof truss.

The method for using the above-mentioned adjustable steel roof truss hoisting device is characterized in that it comprises the following steps:

determining the quantity and size of the frame body, the locking assembly and the adjusting assembly according to the weight and size of the roof truss;

connecting the frame body and the locking assembly;

connecting the frame body and the adjustment assembly;

connecting the frame body and the roof truss through the locking assembly;

Adjusting the adjustment assembly changes the inclination angle and installation height of the roof truss.

The advantages and positive effects of the present invention are: the main body of the frame is set, and it is fixed with the roof truss through the locking assembly, so that the overall force of the roof truss in the hoisting process is on the main body of the frame, while the webs of the roof truss are not stressed, no It will produce deformation and internal stress, which guarantees the construction quality and construction efficiency; through the mutual cooperation of the safety pin and the baffle, the roof truss and the main body of the frame can be quickly clamped together, and quickly dismantled after the hoisting is completed, which improves the construction efficiency and speed , saving time and labor; setting the adjustment components, the height adjustment at both ends of the roof truss 4 can be quickly completed in the air, which speeds up the construction progress and has remarkable economic benefits. The structure is simple in design, convenient in operation, reusable and cost-saving.

Description of drawings

Fig. 1 is the structural representation of the embodiment provided by the present invention when in use;

Fig. 2 is the front view of the embodiment provided by the invention;

Fig. 3 is the left side view of the embodiment provided by the present invention;

Fig. 4 is a connection manner at nodes in an embodiment provided by the present invention.

In the picture:

1. Frame main body; 11. Structural unit; 12. Upper chord; 13. Lower chord; 14. Vertical bar; 15. Rectangle;

16. Inclined rod; 2. Locking assembly; 3. Adjusting assembly; 31. Slideway; 32. Electromagnet; 33. Safety pin;

34. Connector; 35. Block; 4. Roof truss; 5. Hoisting ring; 6. Adjustment component; 61. Drive motor;

62, steel wire rope; 7, dismounting node; 71, node sleeve; 72, locking bolt.

detailed description

An embodiment of the present invention provides an adjustable steel roof truss hoisting device and a user side, which will be described below with reference to the accompanying drawings.

Referring to Figure 1, an adjustable steel roof truss hoisting device can be connected to the roof truss 4 that needs to be hoisted. It is characterized in that it includes a frame main body 1, a locking assembly 2 and an adjustment assembly 3. . The adjustment component 3 is connected with the roof truss 4 , the driving frame main body 1 can drive the overall displacement of the roof truss 4 , and the adjustment component 3 can change the inclination angle and installation height of the roof truss 4 . Set the frame main body 1 on the side of the roof truss 4 that needs to be hoisted, and after the frame main body 1 and the roof truss 4 are fixed together by the locking assembly 2 and the adjustment assembly 3, then the overall hoisting is carried out to increase the contact area with the roof truss, ensuring During the hoisting process, the web members and upper and lower chords of the roof truss 4 are not deformed by their own gravity. After hoisting to a vertical state, the inclination angle and installation height of the roof truss 4 can be adjusted by adjusting the component 3. This adjustable hoisting device greatly improves the construction efficiency. At the same time, it guarantees the construction quality, prevents the impact of stress and gravity on the components during the hoisting process, and produces irreparable deformation, speeds up the construction progress, and has significant economic benefits.

Preferably, as shown in FIG. 2 , the frame body 1 is formed by splicing a plurality of structural units 11 horizontally, and each structural unit 11 includes a rectangle 15 surrounded by an upper chord 12 , a lower chord 13 and a vertical bar 14 and a connecting rectangle 15 The diagonal bars 16 are diagonally opposite, and the rectangles 15 are spliced horizontally through the vertical bars 16 . When in use, a plurality of structural units 11 can be spliced into a frame body 1 extending along the length direction of the roof truss 4, which increases the contact area with the roof truss 4 and can ensure that the webs and upper and lower chords of the roof truss 4 are not affected by their own gravity during hoisting. When deformation occurs, the user can flexibly select the size and quantity of the structural units 11 according to the weight and size of the actual roof truss 4 , and the applicability is stronger.

Regarding the processing method at the connecting node, as shown in Figure 4, the two combined rectangles 15 can be installed with a node sleeve 71 at the dismounting node 7, and then fixed by locking bolts 72, which greatly facilitates the installation and assembly of the combined components. Disassembly improves construction efficiency. It should be noted that the two rectangles 15 can also be welded together, and the processing method of the nodes is not specifically limited.

Preferably, the end-to-end connection of the diagonal rods 16 is in a W shape, which makes the rectangle 15 firmer and more stable, and enhances the stability and safety during construction.

Preferably, the upper chord 12 and the lower chord 13 are arranged oppositely, and the upper chord 12 is provided with a hoisting ring 5 .

Preferably, the locking device 3 includes a slideway 31 , an electromagnet 32 and a safety pin 33 , the vertical bar 14 is connected to the electromagnet 32 through the slideway 31 , and the electromagnet 32 is connected to the roof truss 4 through the safety pin 33 . The pop-up and retraction of the safety pin 33 is controlled by the energization and power-off of the electromagnet 32, and then the locking and opening of the frame main body 1 and the roof truss 4 can be completed. When the electromagnet 32 is energized, the safety pin 33 is retracted, completing The opening of the frame body 1 and the roof truss 4; when the electromagnet 32 is de-energized, the safety pin 33 pops up, completing the locking of the frame body 1 and the roof truss 4, which facilitates on-site construction operations and improves construction efficiency and speed.

Preferably, the electromagnet 32 can displace along the slideway 31 , and then drive the safety pin 33 to displace. The user can select the position of the electromagnet 32 according to the size of the roof truss 4, effectively ensuring the stable connection between the frame main body 1 and the roof truss 4, ensuring that it will not fall off during the hoisting process, and ensuring that the webs and upper and lower chords of the roof truss 4 are not caused by their own gravity Deformation, to ensure the construction quality.

In this embodiment, the slideway 31 is a groove arranged on the vertical rod 14 and extending along the length direction of the vertical rod 14 , and the electromagnet 32 can move in the groove and can be fixed somewhere in the groove.

Preferably, the electromagnet 32 is provided with a pin hole, and the safety pin 33 is inserted into the pin hole, and the electromagnet 32 can control the ejection and retraction of the safety pin 33 . The electromagnet 32 is energized and de-energized to make the safety pin 33 lock and open the fixed roof truss 4 . In one embodiment, the roof truss 4 is provided with a hole matching the safety pin 33, and the electromagnet 32 controls the safety pin 33 to extend out and can be inserted into the above-mentioned hole, so that the roof truss 4 can be blocked, and a slideway 31 is provided to make the The upper and lower ends of the electromagnet 32 have a margin for adjustment, which can be flexibly adjusted according to the size of the roof truss 4, and the applicability is extremely strong.

Preferably, the locking device 3 further includes a connecting piece 34 and a stopper 35 , the vertical bar 14 is connected to the stopper 35 through the connecting piece 34 to fix the roof truss 4 . Through the mutual cooperation of the stopper 35 and the safety pin 33, the connection between the frame main body 1 and the roof truss 4 is strengthened, which greatly improves the safety of the project construction, and at the same time ensures the construction quality, and prevents stress and gravity during the hoisting process from affecting the components. Impact, produce irreparable deformation, speed up the construction progress, and can be reused, with significant economic benefits.

Preferably, the stopper 35 and the electromagnet 32 are arranged on the same side of the frame body 1 . In this embodiment, as shown in Figure 2, the connecting piece 34 is perpendicular to the plane where the rectangle 15 is located, so that the stopper 35 can extend out of the rectangle 15 to block the roof truss 4, and it is located on the same side as the safety pin 33. When in use, This device is placed on the side of roof truss 4, and block 35 and safety pin 33 fix frame main body 1 and roof truss simultaneously, more firmly.

Preferably, as shown in FIG. 3 , the block 34 and/or the safety pin 33 are arranged parallel to the rectangle 15 .

Preferably, the adjustment assembly 6 includes a driving motor 61 and a steel wire rope 62, the driving motor 61 is arranged on the frame main body 1, one end of the steel wire rope 62 is connected to the output end of the driving motor 61, and the other end is connected to the roof truss 4, the roof truss 4 can be adjusted through the steel wire rope 62 inclination angle and installation height. In this embodiment, when the roof truss 4 is hoisted to a suitable position as a whole, the length of the steel wire 62 is adjusted by driving the motor 61, thereby achieving the purpose of adjusting the height of one side of the roof truss 4, satisfying the inclination angle and installation of the roof truss 4 during construction. high.

The method for using the above-mentioned adjustable steel roof truss hoisting device is characterized in that it comprises the following steps:

According to the weight and size of the roof truss 4, determine the number and size of the frame body 1, the locking assembly 2 and the adjustment assembly 6;

Connect the frame main body 1 and the locking component 2;

Connect the frame main body 1 and the adjustment component 6;

Connect the frame body 1 and the roof truss 4 through the locking assembly 2;

The inclination angle and the installation height of the roof truss 4 are changed by adjusting the regulating assembly 6 .

When in use, the overall initial position is placed horizontally, and the roof truss 4 is placed horizontally above the frame body 1, and the size of the corresponding frame body 1 is determined according to the weight and size information of the roof truss 4, and the frame body 1 and the roof truss are first connected by the locking assembly 2 4 are fixed together, and then the hoisting operation is carried out. In the process, the overall force of the roof truss 4 is on the frame main body 1, the web of the roof truss 4 is not stressed, and the roof truss 4 will not produce deformation and internal stress. After hoisting to the vertical state, start the drive motor 61, adjust the height of the lower chord of the roof truss 4 through the wire rope, and complete the adjustment of the height of the two ends of the roof truss 4 in the air, so that the column and the roof truss 4 are connected. When the roof truss is fixed on the factory building column, the electromagnet 32 Get electricity, safety pin 33 retracts, roof truss 4 breaks away from rigid frame 1, completes the hoisting of roof truss 4, dismantles device, waits for reuse next time.

Embodiment one:

An adjustable steel roof truss hoisting device, which can be connected to the roof truss 4 that needs to be hoisted. 4 are connected, the driving frame main body 1 can drive the overall displacement of the roof truss 4, and the adjustment component 3 can change the inclination angle and installation height of the roof truss 4.

The frame body 1 is composed of a plurality of structural units 11, each of which includes a rectangle 15 surrounded by an upper chord 12, a lower chord 13, and a vertical bar 14, and diagonal bars 16 connecting diagonally opposite corners of the rectangular 15. 15 are spliced horizontally by vertical bars 16.

The oblique rods 16 are connected end to end in a W shape, and the upper chord 12 and the lower chord 13 are arranged oppositely.

The locking device 3 includes a slideway 31 , an electromagnet 32 and a safety pin 33 , part of the vertical bar 14 is connected to the electromagnet 32 through the slideway 31 , and the electromagnet 32 is connected to the roof truss 4 through the safety pin 33 .

The electromagnet 32 can displace along the slideway 31, and then drive the safety pin 33 to displace.

The electromagnet 32 is provided with a pin hole, and the safety pin 33 is inserted into the pin hole, and the electromagnet 32 can control the ejection and retraction of the safety pin 33 .

The locking device 3 also includes a connecting piece 34 and a stop 35 , the vertical bar 14 is connected with the stop 35 through the connecting piece 34 to fix the roof truss 4 .

The stopper 35 and the electromagnet 32 are arranged on the same side of the frame body 1 , and the stopper 35 and/or the safety pin 33 are arranged parallel to the rectangle 15 .

The adjustment assembly 6 includes a driving motor 61 and a steel wire rope 62. The driving motor 61 is arranged on the frame main body 1. One end of the steel wire rope 62 is connected to the output end of the driving motor 61, and the other end is connected to the roof truss 4. The inclination angle of the roof truss 4 can be adjusted by the steel wire rope 62. and installation height.

The method for using the above-mentioned adjustable steel roof truss hoisting device is characterized in that it comprises the following steps:

According to the weight and size of the roof truss 4, determine the number and size of the frame body 1, the locking assembly 2 and the adjustment assembly 6;

Connect the frame main body 1 and the locking component 2;

Connect the frame main body 1 and the adjustment component 6;

Connect the frame body 1 and the roof truss 4 through the locking assembly 2;

The inclination angle and the installation height of the roof truss 4 are changed by adjusting the regulating assembly 6 .

The advantages and positive effects of the present invention are: the main body of the frame is set, and it is fixed with the roof truss through the locking assembly, so that the overall force of the roof truss in the hoisting process is on the main body of the frame, while the webs of the roof truss are not stressed, no It will produce deformation and internal stress, which guarantees the construction quality and construction efficiency; through the mutual cooperation of the safety pin and the baffle, the roof truss and the main body of the frame can be quickly clamped together, and quickly dismantled after the hoisting is completed, which improves the construction efficiency and speed , saving time and labor; setting the adjustment components, the height adjustment at both ends of the roof truss 4 can be quickly completed in the air, which speeds up the construction progress and has remarkable economic benefits. The structure is simple in design, convenient in operation, reusable and cost-saving.

The embodiments of the present invention have been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (10)

1. The utility model provides a steel roof truss hoist device with adjustable, joinable roof truss that needs hoist and mount, its characterized in that: the frame body is connected with the roof truss through the locking assembly and the adjusting assembly respectively, the frame body is driven to drive the roof truss to move integrally, and the adjusting assembly is adjusted to change the inclination angle and the installation height of the roof truss.

2. The adjustable steel roof truss hoisting device of claim 1, wherein: the frame main part is formed by a plurality of constitutional units concatenation, every constitutional unit includes the rectangle that is enclosed by last chord, last chord and montant and connects the diagonal's of rectangle diagonal, the rectangle passes through the horizontal concatenation of montant.

3. The adjustable steel roof truss hoisting device of claim 2, wherein: the diagonal rods are connected end to form a W shape, and the upper chord and the lower chord are oppositely arranged.

4. The adjustable steel roof truss hoisting device of claim 2, wherein: the locking device comprises a slide way, an electromagnet and a safety pin, part and/or all of the vertical rods are/is connected with the electromagnet through the slide way, and the electromagnet is connected with the roof truss through the safety pin.

5. The adjustable steel roof truss hoisting device of claim 4, wherein: the electromagnet can move along the slide way, and then the safety pin is driven to move.

6. The adjustable steel roof truss hoisting device of claim 4, wherein: the electromagnet is provided with a pin hole, the safety pin is inserted into the pin hole, and the electromagnet can control the ejection and retraction of the safety pin.

7. The adjustable steel roof truss hoisting device of any one of claims 4-6, wherein: the locking device further comprises a connecting piece and a stop block, and part and/or all of the lower chord is connected with the stop block through the connecting piece so as to fix the roof truss.

8. The adjustable steel roof truss hoisting device of claim 7, wherein: the stop block and the electromagnet are arranged on the same side of the frame main body, and the stop block and/or the safety pin are arranged in parallel with the rectangle.

9. The adjustable steel roof truss hoisting device of claim 1, wherein: the adjusting assembly comprises a driving motor and a steel wire rope, the driving motor is arranged on the frame main body, one end of the steel wire rope is connected with the output end of the driving motor, the other end of the steel wire rope is connected with the roof truss, and the inclination angle and the installation height of the roof truss can be adjusted through the steel wire rope.

10. A method of using the adjustable steel roof truss hoisting device of claim 1, comprising the steps of:

determining the number and size of the frame body, the locking assembly and the adjusting assembly according to the weight and size of the roof truss;

connecting the frame body and the locking assembly;

connecting the frame body and the adjustment assembly;

connecting said frame body and said roof truss by said locking assembly;

and adjusting the adjusting assembly to change the inclination angle and the installation height of the roof truss.

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