CN114687586B - A post-cast belt turnable large-diameter steel pipe support device and its application method - Google Patents

Abstract

The invention relates to the technical field of post-cast belt support, in particular to a post-cast belt turnaround large-diameter steel pipe support device and its use method. The support device includes a post-cast belt assembly, a jacking and a support assembly. The beneficial effects are: The cooperation of the inner column, the outer ring and the extension column realizes the adjustment of the height of the jacking, thereby enhancing the height adaptability of the support device, and cooperates with the correspondence between the support pin, the positioning hole and the adjustment hole to achieve a fixed height; by setting the extension plate, the plug The cooperation of the block and the diagonal brace increases the supporting area and adapts the width of the post-casting belt. At the same time, by using the socket connection between the threaded sleeve, the pressure block and the buffer beam, under the rotation of the threaded sleeve, it can achieve The adjustment of the spring compression can actually adjust the toughness of the buffer support according to the pressure of the free end of the top plate, and improve the protection of the free end of the top plate.

Description

A post-cast belt turnable large-diameter steel pipe support device and its application method

technical field

The invention relates to the technical field of post-cast belt support, in particular to a post-cast belt turnable large-diameter steel pipe support device and a use method thereof.

Background technique

Most of the post-cast belt support on the construction site is directly erected by scaffolding, which requires a lot of manpower and materials to be erected, which is labor-intensive and difficult to control the quality.

When erecting the support frame, workers not only need to carry out high-altitude climbing operations, the safety factor cannot be guaranteed, but also the long-term occupation of scaffolding materials will generate a lot of rental fees, which will increase the cost. The location will also block the transportation of subsequent materials and the entry and exit of workers, thereby affecting normal construction.

The existing support device lacks an adjustable structure, which leads to poor adaptability of the support device and cannot be used repeatedly. Multi-row array support is carried out, and the free end of the post-casting belt roof will vibrate up and down during the pressure-bearing process, but the existing support device lacks buffering for the vibration.

Contents of the invention

The object of the present invention is to provide a post-cast belt turnable large-diameter steel pipe support device and its use method to solve the problem of the adaptability of the support device to the post-cast belt top plate.

To achieve the above object, the present invention provides the following technical solutions:

A supporting device for a large-diameter steel pipe that can be turned around after casting, the supporting device includes:

A post-casting tape assembly, the post-casting tape assembly includes a bottom plate, a pair of left-right symmetrical top plates and a post-casting tape located in the gap between adjacent top plates, and multiple sets of supporting components arranged in a single row are arranged between the top plate and the bottom plate;

The support assembly includes a first steel pipe, a second steel pipe and a jacking bracket, the first steel tube and the second steel tube are vertically connected and pressed together on the bottom plate, and the jacking bracket is inserted into the second steel tube;

Jacking, the jacking includes a supporting plate, a lower tube and an inner column, the supporting plate is attached to the lower end surface of the top plate, the lower end of the lower tube is slidably inserted into the second steel pipe, and the lower end of the lower tube is provided with There are open slots running through the front and back, and multiple sets of adjustment holes are arranged vertically and linearly distributed on the left and right sides of the lower tube. The front and rear sides of the inner column extend to the outside of the lower tube along the open groove and are fixedly connected to the outer ring. The outer ring is fixedly connected to the upper end of the second steel pipe. The positioning hole corresponds to the adjustment hole, and the positioning hole is connected to the inside of the adjustment hole. A support pin is plugged in.

Preferably, the first steel pipe and the second steel pipe are vertically fixedly connected through a flange, and the outer ring is connected to the connecting plate at the upper end of the second steel pipe through bolts, leaving a space between the inner wall of the outer ring and the outer wall of the lower pipe. There are gaps.

Preferably, a pair of extension columns are arranged symmetrically on the front and rear sides of the inner column, and the extension columns extend to the outside of the lower tube along the open slot, and the inner wall of the outer ring is provided with a T-shaped slot corresponding to the open slot, The end of the extension column is plugged into the T-shaped slot, and the extension column and the outer ring are fixedly connected by connecting bolts.

Preferably, a pair of side frames are symmetrically arranged on the left and right sides of the supporting plate, and the side frames are fixed on the supporting plate through fastening bolts, and the outer side of the side frame is connected with an extension plate through a cross bar, and the extension plate is attached to the the lower end of the top plate.

Preferably, the lower end of the side frame is vertically connected with a plug-in block through a connecting rod, and a limiting through hole is arranged on the plug-in block, and a buffering beam is inserted in the limiting through-hole laterally, and the end of the buffering beam Both the lower end surface of the extension plate and the extension plate are provided with a hinge seat, and the buffer beam and the extension plate are connected by a diagonal brace.

Preferably, the outer wall of the middle section of the buffer beam is provided with a limiting plate, and the limiting plate fits on the outer wall of the side of the insert close to the outer ring.

Preferably, a press block is provided between the buffer beam and the outer ring, a right-angle plate is provided at the end of the press block, a mounting rod is vertically provided on the right-angle plate, and a pair of left-right symmetrical mounting rods are provided on the outer ring. The installation rod vertically passes through the outer ring and the connection plate at the upper end of the second steel pipe along the installation hole, and the lower end of the installation rod is fixed by a nut.

Preferably, the end of the briquetting block is provided with an external thread, a threaded sleeve is provided between the briquetting block and the buffer beam, an inner wall of one end of the threaded sleeve is provided with an internal thread, and the threaded sleeve passes through the internal thread and the external thread. It is installed on the pressure block with the cooperation and rotation, and the inner wall of the other end of the threaded sleeve is attached to the outer wall of the buffer beam.

Preferably, a spring is pressed between the threaded sleeve and the limiting plate, the spring is sleeved on the buffer beam, and the end of the buffer beam is extended and inserted into the inner cavity of the pressure block.

A method of using the post-casting tape with a turnable large-diameter steel pipe support device described above, the method of using includes the following steps:

Assemble the supporting components, realize the vertical installation of the first steel pipe, the second steel pipe, and the jacking bracket through the flange, and then fix the lower end of the first steel pipe on the bottom plate;

Lifting installation, the inner column is slidably inserted into the inner cavity of the lower tube, and the fixed connection between the inner column and the outer ring is realized through the cooperation of the extension column and the outer ring. The jacking makes the supporting plate stick to the lower end surface of the top plate;

Fixed installation, through the correspondence between the positioning hole and the adjustment hole, the support pin is inserted into the positioning hole and the adjustment hole to form a height adjustment and fixation;

Extended support, through the cooperation of extension plate, insert block and diagonal brace, forms lateral support and increases the support area;

Support adjustment, realize the socket connection between the threaded sleeve, the pressure block and the buffer beam through the thread, so that under the thread rotation of the threaded sleeve, the adjustment of the spring pressure is realized, so as to achieve the adjustment of the lateral pressure of the buffer beam The adjustment of the lateral support force of the diagonal brace enhances the toughness of the free end support on the side of the top plate close to the post-casting belt.

Compared with prior art, the beneficial effect of the present invention is:

The invention realizes the adjustment of the jacking height through the cooperation of the inner column, the outer ring and the extension column, thereby enhancing the height adaptability of the supporting device, and cooperating with the support pin, the correspondence between the positioning hole and the adjusting hole, and realizing the height fixing;

The present invention increases the supporting area by setting the extension plate, the plug-in block and the diagonal brace, and adapts the width of the post-casting belt. Under the rotation of the threaded sleeve, the compression of the spring can be adjusted, so that the toughness of the buffer support can be actually adjusted according to the pressure of the free end of the top plate, and the protection of the free end of the top plate can be improved.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional structure for jacking installation of the present invention;

Fig. 2 is the exploded view of the sleeve assembly of the buffer beam of the present invention;

Fig. 3 is a schematic diagram of the three-dimensional structure of the socket of the inner column and the outer ring of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the assembly of the extension plate and the jacking bracket of the present invention;

Fig. 5 is a schematic diagram of the supporting structure of the present invention;

Fig. 6 is a schematic diagram of the jacking structure of the present invention.

In the figure: 1. bottom plate; 2. top plate; 3. jacking; 4. first steel pipe; 5. flange; 6. second steel pipe; 7. connecting rod; 8. diagonal brace; 9. extension plate; 10 , side frame; 11, cross bar; 12, insert block; 13, spring; 14, supporting plate; 15, lower tube; 16, fastening bolt; 17, hinge seat; , pressing block; 21, threaded sleeve; 22, installation rod; 23, extension column; 24, connecting bolt; 25, T-shaped slot; 26, outer ring; 27, installation hole; 28, positioning hole; 29, limit 30, internal thread; 31, external thread; 32, adjustment hole; 33, opening slot; 34, limit through hole.

Implementation

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Fig. 1 to Fig. 6, the present invention provides a technical solution:

Example 1:

A support device for a large-diameter steel pipe that can be turned around by a post-cast belt. The support device includes a post-cast belt assembly, a jacking 3 and a support assembly.

The post-cast tape assembly includes a bottom plate 1, a pair of left-right symmetrical top plates 2 and a post-cast tape located in the gap between the adjacent top plates 2. There are multiple sets of support components arranged in a single row between the top plate 2 and the bottom plate 1. The support components include The first steel pipe 4, the second steel pipe 6 and the jacking 3, the first steel pipe 4, the second steel pipe 6 are vertically connected and pressed together on the base plate 1, the jacking 3 is inserted on the second steel pipe 6, the first steel pipe 4 It is vertically fixedly connected with the second steel pipe 6 through the flange 5, and the vertical support assembly formed by the first steel pipe 4, the second steel pipe 6 and the jacking 3 forms a vertical connection between the top plate 2 and the bottom plate 1. support.

The jacking 3 includes a supporting plate 14, a lower tube 15 and an inner column 18. The supporting plate 14 is attached to the lower end surface of the top plate 2, and the lower end of the lower tube 15 is slidably inserted into the second steel pipe 6. The lower end of the lower tube 15 is provided with a Open slots 33 that run through the front and rear, multiple sets of adjustment holes 32 that are distributed vertically and linearly through the left and right sides of the lower tube 15, the inner column 18 is slidably socketed in the inner cavity of the lower end of the lower tube 15, and the upper inner column 18 is horizontally penetrated. There are positioning holes 28, the front and rear sides of the inner column 18 extend to the outside of the lower tube 15 along the opening groove 33 and are fixedly connected to the outer ring 26, and the outer ring 26 is fixedly connected to the upper end of the second steel pipe 6, and the positioning holes 28 and the adjustment holes 32 correspond to each other. Corresponding, and the positioning hole 28 and the adjustment hole 32 are inserted with a support pin.

By setting the cooperation between the inner column 18 and the opening groove 33, the inner column 18 is extended outward, and then the inner column 19 is connected with the outer ring 26, and the height of the jacking bracket 3 is adjusted, and the jacking bracket 3 is lifted so that the supporting plate 14 fits The lower end surface of the top plate 2, the outer ring and the inner column 18 are pressed on the connecting plate at the upper end of the second steel pipe 6 due to gravity, and the outer ring 26 is connected to the connecting plate at the upper end of the second steel pipe 6 by bolts, thereby enhancing the adaptability of the supporting device to the height. Matching, with the support pin, positioning hole 28 and the corresponding adjustment hole 32, the height is fixed.

Implementation 2:

On the basis of Embodiment 1, in order to realize the fixed sleeve fixing of the outer ring 26 and the inner column 18, the present application also has a gap between the inner wall of the outer ring 26 and the outer wall of the lower tube 15, and the front and rear of the inner column 18 A pair of extension columns 23 are arranged symmetrically on both sides. The extension columns 23 extend to the outside of the lower tube 15 along the opening groove 33. The inner wall of the outer ring 26 is provided with a T-shaped slot 25 corresponding to the opening groove 33. The ends of the extension columns 23 Inserted into the T-shaped slot 25 , the extension column 23 and the outer ring 26 are fixedly connected by connecting bolts 24 .

Through the cooperation of the extension column 23 and the T-shaped slot 25, the limit socket of the outer ring 26 and the inner column 18 is realized, and the fixing is realized by the connecting bolt 24, which is convenient for disassembly and installation.

Implementation 3:

On the basis of Embodiment 2, in order to improve the adaptation of the support device to the width of the post-cast tape, the present application also has a pair of side frames 10 symmetrically arranged on the left and right sides of the supporting plate 14, and the side frames 10 are fixed by fastening bolts 16 An extension plate 9 is connected to the support plate 14 and the outer side of the side frame 10 through a cross bar 11 , and the extension plate 9 is attached to the lower end surface of the top plate 2 .

The support area is enlarged by the extension plate 9, and the adaptability to the width is improved.

Example 4:

On the basis of Embodiment 3, in order to support the lateral support force, the application also has an insert block 12 vertically connected to the lower end of the side frame 10 through the connecting rod 7, and the insert block 12 is provided with a limiting through hole 34 , the limit through hole 34 is laterally slidably inserted with a buffer beam 19, the end of the buffer beam 19 and the lower end surface of the extension plate 9 are provided with a hinge seat 17, and the buffer beam 19 and the extension plate 9 are connected by a diagonal brace 8 , the other end of the buffer beam 19 rests on the outer ring 26, the two ends of the diagonal brace 8 are rotatably connected to the hinge seat 17, the outer wall of the middle section of the buffer beam 19 is provided with a limit plate 29, and the limit plate 29 fits the insert block 12 One side of the outer wall close to the outer ring 26 .

The connection between the buffer beam 19 and the extension plate 9 is realized by the hinge seat 17 and the diagonal brace 8, and then the pressure on the extension plate 9 acts on the buffer beam 19, and the buffer beam 19 acts on the vertically connected support components to strengthen pressure performance.

Implementation: 5:

On the basis of Embodiment 4, since the side of the top plate 2 close to the post-casting belt is an unsupported free end, it is easy to vibrate up and down under the action of force. A briquetting block 20 is provided, the end of the briquetting block 20 is provided with a right-angle plate, and the right-angle plate is vertically provided with a mounting rod 22, and the outer ring 26 is provided with a pair of symmetrical mounting holes 27, and the mounting rod 22 is arranged along the mounting hole 27. Vertically through the connecting plate at the upper end of the outer ring 26 and the second steel pipe 6, and the lower end of the mounting rod 22 is fixed by a nut, the end of the briquetting block 20 is provided with an external thread 31, and a threaded thread is provided between the briquetting block 20 and the buffer beam 19 The sleeve 21, the spring 13 is pressed between the threaded sleeve 21 and the limit plate 29, the spring 13 is sleeved on the buffer beam 19, and the end of the buffer beam 19 is extended and inserted into the inner cavity of the pressure block 20, through The lateral advancement of the buffer beam 19 further compresses the spring 13 to buffer the vibration of the supporting position.

Implementation: 6:

On the basis of Embodiment 5, in order to improve the adjustment of the buffer toughness, the application also has an internal thread 30 on the inner wall of one end of the threaded sleeve 21, and the threaded sleeve 21 is installed through the cooperation of the internal thread 30 and the external thread 31. On the pressure block 20 , the inner wall of the other end of the threaded sleeve 21 is attached to the outer wall of the buffer beam 19 .

Through the rotation of the threaded sleeve 21, the spring 13 is squeezed, thereby adjusting the extrusion elasticity of the spring 13, and controlling the buffer pushing pressure of the buffer beam 19, so as to adjust the toughness of the buffer support.

A method of using the post-casting tape with a turnable large-diameter steel pipe support device described above, the method of using includes the following steps:

Assemble the supporting components, realize the vertical installation of the first steel pipe 4, the second steel pipe 6, and the jacking bracket 3 through the flange 5 and the connection plate, and then fix the lower end of the first steel pipe 4 on the bottom plate 1;

Lifting installation, the inner column 18 is slidably inserted into the inner cavity of the lower tube 15, through the cooperation of the extension column 23 and the outer ring 26, the fixed connection between the inner column 18 and the outer ring 26 is realized, and the outer ring 26 is pressed on the second steel pipe 6, lift the jacking 3 so that the supporting plate 14 fits the lower end surface of the top plate 2;

Fixed installation, through the correspondence between the positioning hole 28 and the adjustment hole 32, the support pin is inserted into the positioning hole 28 and the adjustment hole 32 to form a height adjustment and fixation;

Extended support, through the cooperation of the extension plate 9, the insert block 12 and the diagonal brace 8, forms a lateral support and increases the support area;

The support adjustment is to realize the socket connection between the threaded sleeve 21, the pressure block 20 and the buffer beam 19 through the thread, so that under the thread rotation of the threaded sleeve 21, the pressure adjustment of the spring 13 is realized, so as to achieve the horizontal adjustment of the buffer beam 19. The adjustment of the pressure can achieve the adjustment of the lateral support force of the diagonal brace 8, so that the toughness of the free end support on the side of the top plate 2 close to the post-casting belt is enhanced.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

1. A support device for a large-diameter steel pipe with a post-casting belt, characterized in that: the support device includes: A post-cast tape assembly, the post-cast tape assembly includes a bottom plate (1), a pair of left-right symmetrical top plates (2) and a post-cast tape located in the gap between adjacent top plates (2), the top plate (2) and the bottom plate (1 ) are provided with multiple sets of support components arranged in a single row; The support assembly includes a first steel pipe (4), a second steel pipe (6) and a jacking bracket (3), and the first steel pipe (4) and the second steel pipe (6) are vertically connected and pressed together on the bottom plate (1 ), the jacking bracket (3) is plugged into the second steel pipe (6); Jacking (3), the jacking (3) includes a supporting plate (14), a lower tube (15) and an inner column (18), the supporting plate (14) is attached to the lower end surface of the top plate (2), The lower end of the lower tube (15) is slidably inserted into the second steel pipe (6), the lower end of the lower tube (15) is provided with an open slot (33) that runs through the front and back, and the left and right sides of the lower tube (15) are set through There are multiple sets of adjustment holes (32) distributed vertically and linearly. The inner column (18) is slidably socketed in the inner cavity at the lower end of the lower tube (15), and a positioning hole (28) is arranged transversely on the inner column (18). , the front and rear sides of the inner column (18) extend to the outside of the lower tube (15) along the open groove (33) and are fixedly connected to the outer ring (26), and the outer ring (26) is fixedly connected to the second steel pipe (6) At the upper end, the positioning hole (28) corresponds to the adjustment hole (32), and a support pin is inserted into the positioning hole (28) and the adjustment hole (32); A pair of side frames (10) are symmetrically arranged on the left and right sides of the supporting plate (14), and the side frames (10) are fixed on the supporting plate (14) by fastening bolts (16), and the side frames (10) The outer side of the side frame (10) is connected with an extension plate (9) through a cross bar (11). A plug-in block (12) is connected, and a limiting through hole (34) is arranged on the plug-in block (12), and a buffer beam (19) is inserted laterally in the limiting through-hole (34), and the buffer beam (19) ) and the lower end surface of the extension plate (9) are provided with a hinge seat (17), the buffer beam (19) and the extension plate (9) are connected by a diagonal brace (8), the other buffer beam (19) One end rests on the outer ring (26), the two ends of the diagonal brace (8) are rotatably connected to the hinge seat (17), and the outer wall of the middle section of the buffer beam (19) is provided with a limit plate (29). The limit plate (29) fits the outer wall of the insert block (12) close to the outer ring (26), and a pressure block (20) is arranged between the buffer beam (19) and the outer ring (26). The end of the briquetting block (20) is provided with a right-angle plate, and a mounting rod (22) is vertically provided on the right-angle board, and a pair of left-right symmetrical mounting holes (27) are provided on the outer ring (26), and the mounting rod ( 22) Vertically pass through the outer ring (26) and the connection plate at the upper end of the second steel pipe (6) along the installation hole (27), and the lower end of the installation rod (22) is fixed by a nut, and the end of the pressure block (20) An external thread (31) is provided, a threaded sleeve (21) is provided between the pressure block (20) and the buffer beam (19), and an internal thread (30) is provided on the inner wall of one end of the threaded sleeve (21). The casing (21) is installed on the pressure block (20) through the cooperation and rotation of the internal thread (30) and the external thread (31), and the inner wall of the other end of the threaded casing (21) is attached to the outer wall of the buffer beam (19). A spring (13) is pressed between the threaded sleeve (21) and the limit plate (29), the spring (13) is sleeved on the buffer beam (19), and the end of the buffer beam (19) is extended and inserted Be connected in the inner chamber of briquetting block (20). 2. A post-cast belt turnable large-diameter steel pipe support device according to claim 1, characterized in that: a flange (5) is passed between the first steel pipe (4) and the second steel pipe (6) Vertically fixedly connected, the outer ring (26) is connected to the connecting plate at the upper end of the second steel pipe (6) by bolts, and there is a gap between the inner wall of the outer ring (26) and the outer wall of the lower pipe (15). 3. A post-casting belt turnaround large-diameter steel pipe support device according to claim 2, characterized in that: a pair of extension columns (23) are symmetrically arranged on the front and rear sides of the inner column (18), and the extension columns (23) The column (23) extends to the outside of the lower tube (15) along the opening slot (33), and the inner wall of the outer ring (26) is provided with a T-shaped slot (25) corresponding to the opening slot (33), and the extension column ( The end of 23) is inserted into the T-shaped slot (25), and the extension column (23) and the outer ring (26) are fixedly connected by connecting bolts (24). 4. A method of using the post-casting belt turnable large-diameter steel pipe support device according to any one of claims 1-3, characterized in that: the method of use comprises the following steps: Assemble the supporting components, realize the vertical installation of the first steel pipe (4), the second steel pipe (6), and the jacking bracket (3) through the flange (5), and then fix the lower end of the first steel pipe (4) on the on the bottom plate (1); For lifting installation, slide the inner column (18) into the inner cavity of the lower tube (15), and through the cooperation of the extension column (23) and the outer ring (26), the inner column (18) and the outer ring (26) are realized. Fixed connection, the outer ring (26) is pressed on the upper connection plate of the second steel pipe (6), and the jacking (3) is lifted so that the supporting plate (14) fits the lower end surface of the top plate (2); Fixed installation, through the correspondence between the positioning hole (28) and the adjustment hole (32), the support pin is inserted into the positioning hole (28) and the adjustment hole (32), forming a height adjustment and fixing; Extended support, through the cooperation of the extension plate (9), the insert block (12) and the diagonal brace (8), forms a lateral support and increases the support area; Support adjustment, realize the socket connection between the threaded sleeve (21), the pressure block (20) and the buffer beam (19) through the thread, so that the pressure on the spring (13) can be realized under the thread rotation of the threaded sleeve (21) Adjustment, so as to achieve the adjustment of the lateral pressure of the buffer beam (19), and the adjustment of the lateral support force of the diagonal brace (8), so that the toughness of the free end support on the side of the top plate (2) close to the post-casting belt is enhanced.

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