CN114382296B - Adjustable tooling for truss installation and construction method thereof - Google Patents

Description

Adjustable tooling for truss installation and construction method thereof

Technical field

The invention relates to the field of truss construction engineering, in particular to an adjustable tooling for truss installation and a construction method thereof.

Background technique

With the development of the economy and the improvement of people's living standards, people's demand for public buildings such as cultural and sports venues, convention and exhibition centers is increasing. This type of building has high requirements in terms of span and floor height, so truss structural systems are widely used. The triangular steel truss is favored by the majority of owners and designers due to its high strength, strong stability and less steel consumption per unit.

When installing a triangular steel truss, there are 6 docking ports on the upper and lower chords at both ends. On-site installation is prone to deviations and makes adjustment difficult. On the one hand, the weight of the triangular steel truss is relatively large. On the other hand, the triangular steel truss operates at high altitudes, making position adjustment difficult.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings of the prior art, provide an adjustable tooling for truss installation and a construction method thereof, and solve the problems of the existing triangular steel truss being difficult to adjust its position due to its heavy weight and high-altitude operations.

The technical solution to achieve the above purpose is:

The invention provides an adjustable tooling for truss installation, which includes:

base;

Transverse rails provided on the base;

A support column that is slidably mounted on the transverse rail and can be adjusted up and down; and

A driving mechanism is provided on the base and is drivingly connected to the support column. The driving mechanism drives the support column to move and adjust along the transverse track.

The adjustable tooling of the present invention can realize the horizontal and vertical weight adjustment of the truss within a certain weight, has a fast adjustment speed, and the support column can be laterally moved and adjusted, and can adapt to the position adjustment of trusses with different widths, and supports Height adjustment and lateral movement adjustment can be performed separately, making it highly adaptable. It effectively solves the problems in the prior art that the position of the truss is difficult to adjust due to its heavy weight and high-altitude operations.

A further improvement of the adjustable tooling for truss installation of the present invention is that the driving mechanism includes a transverse sleeve provided on the transverse rail, a transmission rod threadedly connected to the transverse sleeve, and a transmission rod drivingly connected to the transverse sleeve. drive motor;

The transmission rod is rotatably connected to the support column;

The drive motor can drive the transmission rod to rotate, so that the transmission rod rotates into the transverse sleeve or rotates out of the transverse sleeve, and then brings the support column along the transverse track. Make movement adjustments.

A further improvement of the adjustable tooling for truss installation of the present invention is that the support column includes an outer square tube, an inner square tube inserted in the outer square tube, and a telescopic component connected to the inner square tube;

The telescopic assembly can be telescopically adjusted. By telescopically adjusting the telescopic assembly, the inner square tube can extend into the outer square tube or extend out of the outer square tube, thereby realizing the lifting adjustment of the support column. .

A further improvement of the adjustable tooling for truss installation of the present invention is that the telescopic assembly includes an inner screw provided in the outer square tube, an outer screw threadedly connected to the inner screw, and an outer screw connected to the outer screw. Driving parts for driving connections;

The inner screw is erected at the bottom of the outer square tube, and the top of the outer screw is rotatably connected to the bottom of the inner square tube;

The driving member can drive the outer screw rod to rotate, so that the outer screw rod rotates inward or out of the inner screw rod, thereby driving the inner square tube to the said inner screw rod. The outer square tube extends inward or extends out of the outer square tube.

A further improvement of the adjustable tooling for truss installation of the present invention is that there are two support columns and they are arranged oppositely.

The invention also provides a construction method of adjustable tooling for truss installation, which includes the following steps:

Provide adjustable tooling for truss installation, and support the base at the location where the truss is to be installed;

Adjust the lateral position and support height of the support column according to the installation position of the truss;

Hoist the truss and place the upper chord of the truss on the support column;

By adjusting the lateral position and support height of the support column, the posture of the truss is adjusted until the truss is adjusted in place.

A further improvement of the construction method of the adjustable tooling for truss installation according to the present invention is that the driving mechanism includes a transverse sleeve provided on the transverse rail, a transmission rod threadedly connected to the transverse sleeve, and a transmission rod connected to the transmission rod. A drive motor connected by rod drive; the transmission rod is rotatably connected to the support column;

When adjusting the lateral position of the support column, the drive motor is started to drive the transmission rod to rotate, and then the transmission rod can be screwed into the transverse sleeve or toward the transverse sleeve. The sleeve rotates out, and then brings the support column to move and adjust along the transverse track.

A further improvement of the construction method of the adjustable tooling for truss installation of the present invention is that the support column includes an outer square tube, an inner square tube inserted in the outer square tube, and a telescopic component connected to the inner square tube;

When adjusting the support height of the support column, the telescopic assembly is telescopically adjusted so that the inner square tube extends into the outer square tube or extends out of the outer square tube, thereby realizing the height of the support column. Support height adjustment.

A further improvement of the construction method of the adjustable tooling for truss installation according to the present invention is that there are two support columns and they are arranged oppositely;

Use two support columns to support the corresponding upper chords on the truss.

A further improvement of the construction method of the adjustable tooling for truss installation according to the present invention is that the truss is a triangular truss;

When adjusting the posture of the triangular truss, adjust the support height of the support columns respectively until the posture of the triangular truss is adjusted in place.

Description of drawings

Figure 1 is a schematic structural diagram of a triangular truss installed with an adjustable tool for truss installation according to the present invention.

Figure 2 is a structural schematic diagram of the adjustable tooling used for truss installation according to the present invention to install and adjust the triangular truss.

Figure 3 is a partial enlarged schematic diagram of position A in Figure 2.

Figure 4 is a flow chart of the construction method of the adjustable tooling for truss installation according to the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figure 1, the present invention provides an adjustable tooling for truss installation and a construction method thereof, which can realize the function of adjusting the chord deviation of the truss in the horizontal and vertical directions, and can realize the belt weight adjustment within a certain weight, which is safe. Reliable and easy to operate. The adjustable tooling for truss installation and its construction method according to the present invention will be described below with reference to the accompanying drawings.

Referring to Figure 1, there is shown a schematic structural diagram of a triangular truss installed with an adjustable tool for truss installation according to the present invention. Referring to Figure 2, there is shown a schematic structural diagram of the adjustable tooling used for truss installation according to the present invention to install and adjust the triangular truss. The adjustable tooling for truss installation according to the present invention will be described below with reference to Figures 1 and 2.

As shown in Figures 1 and 2, the adjustable tooling for truss installation of the present invention includes a base 21, a transverse track 22, a support column 23 and a driving mechanism 24. The transverse track 22 is located on the base 21, and the support column 23 is slidably located on The horizontal rail 22 is on the horizontal track 22 and can be adjusted up and down. The support height of the support column 23 can be adjusted as needed through the lift adjustment. The driving mechanism 24 is located on the base 21 and is drivingly connected to the support column 23. The support column 23 is driven by the driving mechanism 24. The movement adjustment is carried out along the transverse rail 22.

Specifically, the installation direction of the transverse track 22 is consistent with the width direction of the truss. In this way, the support column 23 is used to support the installation to be installed. The support column 23 is moved and adjusted along the transverse track 22 to drive the truss to move and adjust in the horizontal direction. , the lifting adjustment of the support column 23 can drive the truss to adjust in the vertical direction. When installing the truss, the truss can be directly hoisted to the support column 23, and then the truss can be easily adjusted horizontally and vertically until The position of the truss is adjusted in place, and then the truss is installed and fixed.

In a specific embodiment of the present invention, as shown in Figure 2, the driving mechanism 24 includes a transverse sleeve 241 provided on the transverse rail 22, a transmission rod 242 threadedly connected to the transverse sleeve 241, and a drive rod 242 connected to the transverse sleeve 241. Connected drive motor 243;

The transmission rod 242 is rotatably connected to the support column 23;

The driving motor 243 can drive the transmission rod 242 to rotate, so that the transmission rod 242 rotates in or out of the transverse sleeve 241 , and then moves the support column 23 along the transverse track 22 for adjustment.

The arrangement direction of the transverse sleeve 241 and the transmission rod 242 is consistent with the arrangement direction of the transverse rail 22 .

As shown in FIG. 3 , the transmission rod 242 is rotatably connected to the support column 23 through a bearing.

Further, a driving gear 244 is sleeved and fixed on the motor shaft of the driving motor 243, and a driving gear 245 is threadedly connected to the driving rod 242. The driving gear 245 meshes with the driving gear 244, so that the driving motor 243 can drive the driving gear 244. To rotate, the driving gear 244 drives the transmission gear 245 to rotate, and the driving motor 243 is fixed on the base 21. The driving gear 244 and the transmission gear 245 are both fixed structures. The rotation of the transmission gear 245 causes the transmission rod 242 to rotate. By moving relative to the transmission gear, the transmission rod 242 can move and adjust with the support column 23 .

In a specific embodiment of the present invention, as shown in FIGS. 2 and 3 , the support column 23 includes an outer square tube 231 , an inner square tube 232 inserted in the outer square tube 231 , and an inner square tube 232 connected to the inner square tube 232 . Telescopic component 233;

The telescopic assembly 233 can be telescopically adjusted. Through the telescopic adjustment 233, the telescopic assembly can make the inner square tube 232 extend into the outer square tube 231 or extend out of the outer square tube 231, thereby realizing the lifting adjustment of the support column 23.

The inner square tube 232 can move relative to the outer square tube 231 to adjust the support height of the support column 23 .

Further, the telescopic assembly 233 includes an inner screw 2331 provided in the outer square tube 231, an outer screw 2332 threadedly connected to the inner screw 2331, and a driving member 2333 drivingly connected to the outer screw 2332;

The inner screw 2331 is erected at the bottom of the outer square tube 231, and the top of the outer screw 2332 is rotatably connected to the bottom of the inner square tube 232;

The driving part 2333 can drive the outer screw rod 2332 to rotate, so that the outer screw rod 2332 rotates inwardly toward the inner screw rod 2331 or out of the inner screw rod 2331, thereby driving the inner square tube 232 to extend into or out of the outer square tube 231. Extend outward from the outer square tube 231.

Furthermore, the driving member 2333 is a motor, and the motor shaft of the motor extends into the outer square tube 231. The end of the motor shaft is fixedly connected with a first gear, and the first gear is threadedly connected to the third gear on the outer screw rod 2332. The two gears are engaged and connected, so that the motor drives the first gear to rotate, and the first gear drives the second gear to rotate, while the position of the second gear remains stationary, so the outer screw 2332 rotates and moves up and down relative to the second gear. Thus, the support height of the support column can be adjusted.

Furthermore, a bottom plate 2334 is provided at the bottom of the outer square tube 231. The bottom plate 2334 is fixedly connected to the end of the outer square tube 231. A stiffening plate 234 is connected between the bottom plate 2334 and the corresponding side of the outer square tube 231.

The transverse rail 22 includes a pair of supporting rails arranged oppositely and a pair of limiting rails located outside the pair of supporting rails. The supporting rails are arranged oppositely. The bottom plate 2334 is placed on the pair of supporting rails, and the bottom plate 2334 is The width is adapted to the distance between a pair of limiting rails, and the bottom plate 2334 is blocked by the limiting rails, so that the bottom plate 2334 can only be moved and adjusted on the supporting rail along the direction in which the supporting rail is arranged.

In a specific embodiment of the present invention, there are two supporting columns 23 and they are arranged oppositely. The two support columns can support both sides of the truss respectively, which can improve the stability during the position adjustment of the truss.

Further, as shown in Figures 1 and 2, the truss 10 is a triangular truss, including a pair of upper chords 11 and a lower chord 12. The support columns 23 are provided corresponding to the upper chords 11, and two upper chords 11 are provided below each. In order to improve the stability of the two support columns 23, a cross beam 25 is supported and connected between the two support columns 23. The cross beam 25 is connected to the outer square tube 231 of the support column 23, so that the two support columns 23 are located on the same side. The two support columns are connected to form a stable H shape, and the two support columns can share a driving member 2333 to achieve synchronous lifting and lowering adjustment. The two supporting columns are supported at two positions on the upper chord 11, which can make the upper chord 11 evenly stressed and avoid the problem of bending of the upper chord 11 caused by excessive stress due to stress concentration.

Two opposite supporting columns 23 are slidably installed on a transverse track 22. The two supporting columns 23 located under the same upper chord 11 share a driving motor 243, so that the two supporting columns 23 can be synchronously adjusted for horizontal movement. .

In a specific embodiment of the present invention, the base 21 includes a pair of transverse beams, a pair of longitudinal beams and a pair of oblique beams. The transverse beams and the longitudinal beams are enclosed and connected to form a frame structure, and the oblique beams are intersected on a between transverse beams. An auxiliary beam is also supported and connected between a pair of transverse beams, and the driving motor 243 is installed through the auxiliary beam.

As shown in Figure 1, when hoisting the truss 10, first install the adjustable tooling of the present invention on the top of the lattice column 30, then adjust the position of the support column, then hoist the truss 10 on the support column, and then Use the support columns to fine-tune the position of the truss 10, and then install and fix the truss 10 after the adjustment is in place. When setting up the adjustable tooling, one adjustable tooling is provided at both ends of the truss 10 .

The present invention also provides a construction method of adjustable tooling for truss installation, and the construction method will be described below.

As shown in Figure 4, the construction method of the present invention includes the following steps:

Execute step S101, provide the above-mentioned adjustable tooling for truss installation, and support the base at the position to be installed on the truss; then execute step S102;

Execute step S102; adjust the lateral position and support height of the support column according to the installation position of the truss; then execute step S103;

Execute step S103, hoist the truss, and place the upper chord of the truss on the support column; then execute step S104;

Step S104 is executed to adjust the posture of the truss by adjusting the lateral position and support height of the support column until the truss is adjusted in place.

In a specific embodiment of the present invention, the driving mechanism includes a transverse sleeve provided on the transverse rail, a transmission rod threadedly connected to the transverse sleeve, and a drive motor drivingly connected to the transmission rod; the transmission rod is rotatably connected to on support columns;

When adjusting the lateral position of the support column, start the drive motor and let the drive motor drive the transmission rod to rotate, and then the transmission rod can be screwed in or out of the lateral sleeve, and then take the support column along the lateral track Make movement adjustments.

In a specific embodiment of the present invention, the support column includes an outer square tube, an inner square tube inserted in the outer square tube, and a telescopic component connected to the inner square tube;

When adjusting the support height of the support column, the telescopic assembly is telescopically adjusted so that the inner square tube extends into the outer square tube or extends out of the outer square tube, thereby adjusting the support height of the support column.

A further improvement of the construction method of the adjustable tooling for truss installation of the present invention is that there are two support columns and they are arranged oppositely;

Use two support columns to support the corresponding upper chords on the truss.

In a specific embodiment of the invention, the truss is a triangular truss;

When adjusting the posture of the triangular truss, adjust the support height of the support columns respectively until the posture of the triangular truss is adjusted in place.

Specifically, the position of the support column is adjusted in advance according to the preset position of the triangular truss, and then the triangular truss is placed on the support column. At this time, the position of the triangular truss is basically at the preset position, and then the support column can be used to Fine-tune the position of the triangular truss so that the two triangular trusses can be accurately connected.

The adjustable tooling for truss installation and its construction method of the present invention can achieve horizontal and vertical belt weight adjustment within a certain weight; the adjustment speed is fast and no manpower is required. The support point is set on the upper chord of the triangular truss, which has a high safety factor and guaranteed stability. Can be recycled and reused. The height and width of the left and right sides of the upper chord of the triangular truss can be adjusted separately, making it highly adaptable.

With conventional construction methods, the temporary support of the triangular truss can be installed, but the column top tooling cannot be installed due to the special size of the triangular truss. Using the present invention, at least three axes, that is, the column top tooling of the three triangular trusses, need to be made to complete the turnover and realize material saving and cost reduction. By using the present invention, hoisting adjustment is very convenient and construction efficiency is improved. Compared with conventional methods, a total of 11 days of construction period can be saved, mechanical shifts and labor costs are reduced, which helps ensure the progress of steel structure construction.

The present invention has been described in detail above with reference to the embodiments of the accompanying drawings. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not constitute limitations to the present invention, and the scope defined by the appended claims will be regarded as the protection scope of the present invention.

Claims (3)

1. Adjustable frock is used in truss installation, a serial communication port includes:

a base;

a transverse rail arranged on the base;

the support column is arranged on the transverse track in a sliding manner and can be adjusted in a lifting manner; and

the driving mechanism is arranged on the base and is in driving connection with the support column, and the support column is driven by the driving mechanism to move and adjust along the transverse track;

the driving mechanism comprises a transverse sleeve arranged on the transverse track, a transmission rod in threaded connection with the transverse sleeve and a driving motor in driving connection with the transmission rod;

the transmission rod is rotatably connected to the support column;

the driving motor can drive the transmission rod to rotate, so that the transmission rod is screwed into the transverse sleeve or screwed out of the transverse sleeve, and then the support column is carried to move and adjust along the transverse track;

the support column comprises an outer square tube, an inner square tube inserted in the outer square tube and a telescopic assembly connected with the inner square tube;

the telescopic assembly can be adjusted in a telescopic manner, and the inner square pipe can extend into the outer square pipe or extend out of the outer square pipe through the telescopic assembly, so that lifting adjustment of the support column is realized;

the telescopic assembly comprises an inner screw rod arranged in the outer square tube, an outer screw rod in threaded connection with the inner screw rod and a driving piece in driving connection with the outer screw rod;

the inner lead screw is vertically arranged at the bottom of the outer square tube, and the top of the outer lead screw is rotatably connected to the bottom of the inner square tube;

the driving piece can drive the outer screw rod to rotate, so that the outer screw rod is screwed into the inner screw rod or screwed out of the inner screw rod, and the inner square pipe is driven to extend into the outer square pipe or extend out of the outer square pipe;

the driving piece is arranged between the two outer square pipes and is in driving connection with the outer screw rods in the two outer square pipes;

two support columns positioned below the same upper chord share a driving motor and a driving piece; the number of the support columns is two, and the support columns are oppositely arranged.

2. The construction method of the adjustable tool for truss installation is characterized by comprising the following steps of:

providing the adjustable fixture for truss installation, which is characterized in that the base is supported at the position to be installed of the truss;

adjusting the transverse position and the supporting height of the supporting column according to the installation position of the truss;

hoisting the truss and placing an upper chord member of the truss on the support column;

the posture of the truss is adjusted by adjusting the transverse position and the supporting height of the supporting column until the truss is adjusted in place;

the driving mechanism comprises a transverse sleeve arranged on the transverse track, a transmission rod in threaded connection with the transverse sleeve and a driving motor in driving connection with the transmission rod; the transmission rod is rotatably connected to the support column;

when the transverse position of the support column is adjusted, the driving motor is started to drive the transmission rod to rotate, so that the transmission rod can be screwed into the transverse sleeve or screwed out of the transverse sleeve, and the support column is further carried to move and adjust along the transverse track;

the support column comprises an outer square tube, an inner square tube inserted in the outer square tube and a telescopic assembly connected with the inner square tube;

when the supporting height of the supporting column is adjusted, the telescopic assembly is adjusted in a telescopic manner, so that the inner square pipe stretches into the outer square pipe or stretches out of the outer square pipe, and the supporting height of the supporting column is adjusted;

the telescopic assembly comprises an inner screw rod arranged in the outer square tube, an outer screw rod in threaded connection with the inner screw rod and a driving piece in driving connection with the outer screw rod;

the inner lead screw is vertically arranged at the bottom of the outer square tube, and the top of the outer lead screw is rotatably connected to the bottom of the inner square tube;

the driving piece can drive the outer screw rod to rotate, so that the outer screw rod is screwed into the inner screw rod or screwed out of the inner screw rod, and the inner square pipe is driven to extend into the outer square pipe or extend out of the outer square pipe;

the driving piece is arranged between the two outer square pipes and is in driving connection with the outer screw rods in the two outer square pipes;

two support columns positioned below the same upper chord share a driving motor and a driving piece;

the support columns are two and are oppositely arranged.

3. The construction method of an adjustable tool for installing a truss according to claim 2, wherein the truss is a triangular truss;

and when the posture of the triangular truss is adjusted, the supporting heights of the supporting columns are respectively adjusted until the posture of the triangular truss is adjusted in place.