CN115431400A - Box girder jig frame - Google Patents

Abstract

A box beam frame, belonging to the technical field of bridge building construction; comprising a web frame and a roof frame, the web frame includes a base, a bracket and a side support frame, and the bracket and the side support frame are equipped with Rollers, the roof frame includes a support seat and a shear tendon trolley, the base includes a base and a pedestal, the base and the pedestal are provided with a first slide rail, the side support frame is provided with a first positioning piece, and the support is provided with a The second positioning piece, the first positioning piece includes linear bearings, sleeves and positioning rakes, the second positioning piece includes sleeves, positioning rods and adjustment rods, the bracket is provided with positioning tooth plates and positioning angle steel, and the side support frame Positioning angle steel is provided; the web frame in the box beam frame disclosed by the present invention is suitable for binding the web steel frame of prefabricated box girders of different specifications, reducing the labor paid by workers for customizing the web frame, thereby reducing the labor cost of workers. The purpose of reducing labor intensity and saving time, thereby improving the preparation efficiency of prefabricated box girders.

Description

A box beam tire frame

technical field

The invention belongs to the technical field of bridge building construction, and in particular relates to a box girder tire frame.

Background technique

In the construction of highway bridges, prefabricated box girders are generally used for erection. In the process of prefabricating box girders, in order to overcome the problems of uneven vertical and horizontal spacing during the installation of steel bars, inaccurate positioning of steel bars, and substandard pass rate of steel bar cover, the fixed steel bar frame method was adopted to standardize the installation of steel bars, that is, the top web The plate steel frame is installed on the fixed top web steel frame, and after installation, it is hoisted out by the gantry frame for assembly. However, when the existing web steel frame is bound with different specifications of the web steel frame Workers need to customize according to their specifications. This kind of tire frame can only be used for binding web steel skeletons of a single specification. Binding web steel skeletons of other specifications needs to be customized according to specifications or the existing tire frame should be changed before use. , there is a problem that the labor intensity of the workers is high, and the time consumption is long, which leads to the low production efficiency of the prefabricated box girder.

Contents of the invention

The present invention mainly solves the technical problems existing in the above-mentioned prior art, and provides a box beam tire frame.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a box beam tire frame, comprising a web tire frame and a top plate tire frame, and the web tire frame includes a base, a bracket and a side support frame, The base includes a pedestal and a pedestal, the two sides of the pedestal are symmetrically provided with pedestals, the brackets are arranged on the pedestal, and side support frames are symmetrically arranged on the pedestals on both sides of the pedestal, and the pedestal and the pedestal are both There is a first slide rail, rollers are provided on the bracket and the side support frame, the bracket is slidingly connected with the pedestal through the rollers, the side support frame is slidingly connected with the base through the rollers, and the first positioning piece is provided on the side support frame , the bracket is provided with a second positioning piece and a fixing sleeve, and a fixing piece is arranged between the side support frame and the bracket;

The roof frame includes a support seat and a shear tendon trolley, the support seat is provided with a second slide rail, a positioning channel steel, a comb plate and a horizontal rib positioning plate, and the shear tendon trolley is provided with rollers, and the rollers and The second slide rail is slidingly connected.

Preferably, a column and a keel are arranged on the side support frame, and the first positioning member includes a linear bearing, a bushing and a positioning rake, the bushing is arranged on the keel, the linear bearing is arranged on the column, and the positioning rake is slidably set In the linear bearing and the casing, the upper and lower ends of the keel are provided with positioning angle steel.

Preferably, the bracket is provided with a column, the bottom of the column is fixed with a fixed screw, and the fixed screw is threaded with an internally threaded pipe. The tooth plate, the second positioning member includes a sleeve, a positioning rod and an adjustment rod, the sleeve is fixed on the side of the column, the positioning rod is slidably arranged in the sleeve, and the top and bottom of the side of the column are rotatably connected to the adjustment rod. A nut is threaded on the adjusting rod, and a positioning angle steel is fixed on the adjusting rod.

As a preference, there are 20 columns on the support, and the 20 columns are arranged on the support in two rows in groups of 10. Connecting rods are fixed on every two adjacent uprights.

Preferably, the fixing piece includes a fixed angle steel and a fixed channel steel, the bracket and the side support frame are provided with a fixed angle steel, and the fixed channel steel is arranged on the fixed angle steel.

As a preference, the side support frame and the bracket are provided with longitudinal positioning angle steel, and the positioning tooth plate is arranged horizontally between the side support frame and the support, and the positioning tooth plate is arranged on the fixed channel steel and is located at 2 between two vertical positioning angles.

As a preference, the positioning channel steel, the comb tooth plate and the horizontal rib positioning plate are all fixed on the support frame, the bottom of the comb tooth plate is fixed on the support frame, the side of the comb tooth plate is fixed to the side of the positioning channel steel, horizontal The bottom of the rib positioning plate is fixed on the support seat, and the side of the horizontal rib positioning plate is fixed on the comb tooth plate.

The beneficial effect that the present invention has:

The web frame in the present invention is provided with a first slide rail on the pedestal and the base, and the side support frame is arranged on the base, and the side support frame slides on the base by rollers to adjust the distance between the two side support frames. The distance between the web base frame can be applied to the binding of the steel frame of the box girder web of different specifications. The web base frame is used for the prefabrication of single box girder and single box double-chamber girder, which improves the application range of the web base frame; reduces the workload of workers for customizing web base frames of different specifications, and reduces the labor of workers The strength also saves time. Workers can use the saved time for binding the steel skeleton of the prefabricated box girder and pouring the girder body, which improves the work efficiency of the prefabricated box girder. Positioning rakes, linear bearings and bushings can improve The positioning accuracy of the steel bar is also convenient for picking and placing the positioning rake.

Description of drawings

Fig. 1 is a kind of structural representation of web tire frame;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is the enlarged schematic diagram of place B in Fig. 1;

Fig. 4 is another kind of structural representation of web frame;

Fig. 5 is the enlarged schematic diagram of place C in Fig. 4;

Fig. 6 is a schematic diagram of the base structure of the web tire frame;

Fig. 7 is a schematic structural view of the web tire frame support;

Fig. 8 is an enlarged schematic view at D in Fig. 7;

Fig. 9 is a structural schematic diagram of the roof tire frame;

FIG. 10 is an enlarged schematic view at E in FIG. 9 .

In the figure: 1. web frame; 2. roof frame; 3. base; 4. bracket; 5. side support frame; 6. base; 7. platform; 8. first slide rail; 9. roller ; 10, the first positioning piece; 11, the second positioning piece; 12, the fixed sleeve; 13, the fixing piece; 14, the support seat; 15, the shear tendon trolley; 16, the second slide rail; 17, the positioning channel steel; 18. Comb tooth plate; 19. Horizontal rib positioning plate; 20. Column; 21. Keel; 22. Linear bearing; 23. Sleeve; 24. Positioning rake; 25. Positioning angle steel; Threaded pipe; 28, positioning tooth plate; 29, positioning rod; 30, adjusting rod; 31, nut; 32, connecting rod; 33, fixed angle steel; 34, fixed channel steel; 35, fixed rod.

detailed description

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

A box beam frame, comprising a web frame 1 and a roof frame 2,

Embodiment 1: As shown in Figures 1, 2, 3, 6, 7, and 8, the web frame 1 includes a base 3, a bracket 4, and a side support frame 5, and the base 3 includes a base 6 and a pedestal 7, The base 6 is symmetrically arranged on both sides of the pedestal 7, the support 4 is arranged on the pedestal 7, the support 4 is welded with a fixed sleeve 12, the support 4 is provided with a column 20, the bottom of the column 20 is welded with a fixed screw 26, and the fixed screw 26 is threaded. Connected with internally threaded pipe 27, internally threaded pipe 27 is inserted in the fixed sleeve 12, the number of columns 20 on the bracket 4 is 20, and the 20 columns 20 are divided into 2 rows, each column has 10 columns 20, and the horizontally adjacent A connecting rod 32 is fixed between the two columns 20, and the column 20 is provided with a second positioning member 11. The second positioning member 11 includes a sleeve 23, a positioning rod 29 and an adjusting rod 30, and the sleeve 23 is welded on the column 20. The positioning rod 29 is slidingly arranged in the sleeve pipe 23; the upper and lower ends between the vertically adjacent two vertical columns 20 are all rotated to be provided with an adjusting rod 30, and the two ends of the adjusting rod 30 are screwed with a nut 31, and the adjusting rod 30 is Positioning angle steels 25 are welded, side support frames 5 are symmetrically arranged on the base 6 on both sides of the pedestal 7, a column 20 is welded on one end of the side support frame 5, and a keel 21 is welded on the other end of the side support frame 5 , the keel 21, the column 20 and the side support frame 5 form a right-angled triangle, the upper and lower ends of the keel 21 are welded with positioning angle steel 25, and the pedestal 7 and the base 6 are all provided with a first slide rail 8, the first slide The rail 8 is composed of channel steel and angle steel, the angle steel is welded above the channel steel, the bottom of the bracket 4 and the side support frame 5 are provided with rollers 9, the bracket 4 is slidingly connected with the pedestal 7 through the roller 9, and the side support frame 5 is connected by the roller 9 Slidingly connected with the base 6, the side support frame 5 is provided with a first positioning part 10, and a fixing part 13 is provided between the side part support frame 5 and the bracket 4; the first positioning part 10 includes a linear bearing 22, a sleeve The pipe 23 and the positioning rake 24, the linear bearing 22 are welded on the column 20, the casing 23 is welded on the keel 21, and the positioning rake 24 is inserted in the linear bearing 22 and the sleeve 23. Fixing piece 13 comprises fixed angle steel 33 and fixed channel steel 34, is symmetrically welded with fixed angle steel 33 on the opposite side of support 4 and side support frame 5, and the two ends of fixed channel steel 34 are respectively welded on two fixed angle steels 33, and bracket 4 and the side support frame 5 are symmetrically welded with positioning angle steel 25 longitudinally, and a horizontal positioning tooth plate 28 is arranged between the two positioning angle steels 25, and the two ends of the bottom of the positioning tooth plate 28 are respectively welded on the bracket 4 and the side support frame 5 On, the bottom of the positioning tooth plate 28 is welded on the fixed channel steel 34 directly below.

As shown in Figures 9-10, the roof tire frame 2 includes a support base 14 and a shear tendon trolley 15, and the support base 14 is provided with a second slide rail 16, a positioning channel steel 17, a comb plate 18 and a horizontal rib positioning Plate 19, shear tendon trolley 15 is provided with roller 9, and roller 9 is slidingly connected with second slide rail 16, and the dotted line frame in Fig. The roller 9 just below the trolley 15 can roll on the bearing plate, the positioning channel steel 17, the positioning tooth plate 28 and the horizontal rib positioning plate 19 are all fixed on the support frame, the bottom of the positioning tooth plate 28 is fixed on the support frame, and the positioning tooth plate The side of 28 is fixed with the side of positioning channel steel 17, and the bottom of horizontal rib positioning plate 19 is fixed on the support seat 14, and the side of horizontal rib positioning plate 19 is fixed on the comb tooth plate 18.

Embodiment 2: As shown in Figure 4-6, the web tire frame 1 includes a side support frame 5 of a base 3, and the base 3 includes a base 6 and a pedestal 7, and the pedestal 7 is symmetrically provided with bases on both sides. Seat 6, the base 6 on the pedestal 7 is provided with the first slide rail 8, and the pedestal 6 on both sides of the pedestal 7 is symmetrically provided with side support frames 5, and the bottom of the side support frame 5 is provided with rollers 9. Support frame 5 slides on the first slide rail 8 by roller 9, and side support frame 5 is provided with column 20, keel 21 and first locator 10, and column 20 and keel 21 are welded on two sides of side support frame 5 respectively. end, the column 20 is vertically arranged, the keel 21 is inclined to the column 20, the side support frame 5, the column 20 and the keel 21 form a right triangle, the first positioning member 10 includes a linear bearing 22, a sleeve 23 and a positioning rake 24, and the straight line The bearing 22 is welded on the column 20, the casing 23 is welded on the keel 21, and the positioning tooth rake 24 is inserted into the linear bearing 22 and the casing 23; there is a fixing piece 13 between the two side support frames 5, and the fixing piece 13 Including fixed angle steel 33 and fixed channel steel 34, fixed angle steel 33 is symmetrically welded on the opposite sides of the two side support frames 5, and the two ends of the fixed channel steel 34 are respectively welded on the two fixed angle steel 33; the two side support frames 5 is symmetrically welded with a longitudinal positioning angle steel 25, and a horizontally arranged positioning tooth plate 28 is welded between the two side support frames 5 and is located between the two positioning angle steels 25. The two ends of the positioning tooth plate 28 bottom are respectively welded on On the 2 side support frames 5, the bottom of the positioning tooth plate 28 is welded on the fixed channel steel 34, and the column 20 of the 2 side support frames 5 is welded with a fixed rod 35 fixed to the base 6. Rod 35 is angle steel.

As shown in Figures 9-10, the roof frame 2 includes a support base 14 and a shear tendon trolley 15, and the support base 14 is provided with a second slide rail 16, a positioning channel steel 17, a positioning tooth plate 28 and a horizontal rib positioning Plate 19, shear tendon trolley 15 is provided with roller 9, and roller 9 is slidingly connected with second slide rail 16, and the dotted line frame in Fig. The roller 9 just below the trolley 15 can roll on the bearing plate, the positioning channel steel 17, the positioning tooth plate 28 and the horizontal rib positioning plate 19 are all fixed on the support frame, the bottom of the positioning tooth plate 28 is fixed on the support frame, and the positioning tooth plate The side of 28 is fixed with the side of positioning channel steel 17, and the bottom of horizontal rib positioning plate 19 is fixed on the support seat 14, and the side of horizontal rib positioning plate 19 is fixed on the positioning tooth plate 28.

Principle of the present invention:

Before binding, the workers adjust the web frame 1 and prepare the required roof frame 2 according to the specifications of the prefabricated box girder, and the workers move the bracket 4 of the pedestal 7 and adjust the side support frame on the base 6 according to the specifications of the prefabricated box girder 5 and the distance between the bracket 4, and then weld the fixed angle steel 33 and the fixed channel steel 34 between the side support frames 5 and the bracket 4 to fix the bracket 4 and the side support frame 5 together, and then according to the web reinforcement Parameters of the skeleton Install the uprights 20 on the bracket 4, then fix the uprights 20 together through the connecting rods 32, install the adjusting rods 30 between the uprights 20, and then weld the linear bearings 22 and sleeves in sequence according to the parameters of the web reinforcement skeleton. Pipe 23, positioning tooth plate 28 and positioning angle steel 25, after welding, the worker rotates the adjusting rod 30 to adjust the angle of the positioning angle steel 25 fixed on it, then turns the nut 31 to fix the adjusting rod 30, and then inserts the positioning tooth rake 24 on the side Insert the positioning rod 29 into the casing 23 of the linear bearing 22 on the upper support frame 5; insert the positioning rod 29 into the casing 23 on the bracket 4; after the preparation work is completed, carry out the binding of the web reinforcement skeleton; Tooth rake 24 is taken out successively, and turning nut 31 loosens adjusting lever 30, and rotating adjusting lever 30 makes the positioning angle steel 25 on it separate from the reinforcing bar on the reinforcing bar skeleton, drives gantry crane or other equipment to hang out column 20 on the support 4, and then The bound web reinforcement skeleton and roof reinforcement skeleton are hoisted out and then assembled.

Principle of the present invention:

Before binding, the workers adjust the web frame and prepare the required roof frame according to the specifications of the prefabricated box girder. The workers move the bracket of the pedestal and adjust the distance between the side support frame and the bracket on the base according to the specification of the prefabricated box girder , and then weld the fixed angle steel and the fixed channel steel between the side support frames and the brackets to fix the bracket and the side support frames together, and then install the column on the bracket according to the parameters of the web reinforcement skeleton, and then pass the connecting rod Fix the columns together, install the adjusting rod between the columns, and then weld the linear bearing, bushing, positioning tooth plate and positioning angle steel in sequence according to the parameters of the web steel skeleton. After welding, the worker rotates the adjusting rod to fix it After adjusting the angle of the positioning angle steel on the top, turn the nut to fix the adjusting rod, then insert the positioning rake into the linear bearing bushing on the side support frame, and insert the positioning rod into the bushing on the bracket; Skeleton binding; after binding, the worker will take out the positioning rod and the positioning tooth rake in turn, turn the nut to loosen the adjusting rod, turn the adjusting rod to separate the positioning angle steel on the steel bar from the steel bar on the steel frame, and then drive the gantry crane or other equipment. The column is hoisted out, and then the bundled web steel skeleton and roof steel skeleton are hoisted out and assembled.

Finally, it should be pointed out that the above embodiments are only representative examples of the present invention. Obviously, the present invention is not limited to the above-mentioned embodiments, and many variations are possible. All simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention shall be deemed to belong to the protection scope of the present invention.

Claims (7)

1. A box beam frame, comprising a web frame (1) and a roof frame (2), characterized in that: the web frame (1) includes a base (3), a support (4) and a side Department support frame (5), described base (3) comprises pedestal (6) and pedestal (7), and described pedestal (7) is provided with pedestal (6) symmetrically on both sides, and support (4) is arranged on pedestal ( 7), the pedestal (6) on both sides of the pedestal (7) is symmetrically provided with side support frames (5), and the pedestal (7) and the pedestal (6) are provided with first slide rails ( 8), the bracket (4) and the side support frame (5) are provided with rollers (9), the bracket (4) is slidingly connected with the pedestal (7) through the rollers (9), and the side support frame (5) is (9) Slidingly connected with the base (6), the side support frame (5) is provided with a first positioning piece (10), and the bracket (4) is provided with a second positioning piece (11) and a fixing sleeve (12) , a fixing piece (13) is provided between the side support frame (5) and the bracket (4); The roof frame (2) includes a support seat (14) and a shear tendon trolley (15), and the support seat (14) is provided with a second slide rail (16), a positioning channel steel (17), a comb Plate (18) and horizontal rib positioning plate (19), are provided with roller (9) on the shear tendon dolly (15), and roller (9) is slidably connected with the second slide rail (16). 2. A box beam tire frame according to claim 1, characterized in that: the side support frame (5) is provided with a column (120) and a keel (21), and the first positioning member (10) includes The linear bearing (22), the sleeve (23) and the positioning rake (24), the sleeve (23) is arranged on the keel (21), the linear bearing (22) is arranged on the column (120), and the positioning rake (24 ) is slidingly arranged in the linear bearing (22) and the casing (23), and the upper and lower ends of the keel (21) are provided with positioning angle steel (25). 3. A kind of box beam tire frame according to claim 1, characterized in that: the support (4) is provided with a column (120), the bottom of the column (120) is fixed with a fixed screw (26), the fixed screw ( 26) The upper thread is connected with an internally threaded pipe (27), and the internally threaded pipe (27) is inserted into the fixed sleeve (12), and the bracket (4) is symmetrically fixed with positioning tooth plates ( 28), the second positioning member (11) includes a sleeve (23), a positioning rod (29) and an adjusting rod (30), the sleeve (23) is fixed on the side of the column (120), and the positioning rod ( 29) Slidingly arranged in the casing (23), the top and bottom of the side of the column (120) are rotatably connected with an adjusting rod (30), and the adjusting rod (30) is threaded with a nut (31), and the adjusting rod (30) Positioning angle steel (25) is fixed on it. 4. A box beam tire frame according to claim 3, characterized in that: there are 20 uprights (120) on the support (4), and 20 uprights (120) form two groups of 10. The columns are arranged on supports (4). A connecting rod (32) is fixed on every two adjacent columns (120). 5. A box beam tire frame according to claim 1, characterized in that: said fixing member (13) includes fixing angle steel (33) and fixing channel steel (34), said bracket (4) and side The support frames (5) are all provided with fixed angle steels (33), and the fixed channel steels (34) are arranged on the fixed angle steels (33). 6. A box beam tire frame according to claim 5, characterized in that: the side support frame (5) and the bracket (4) are provided with longitudinal positioning angle steel (25), and the side support A positioning tooth plate (28) is arranged horizontally between the frame (5) and the support (4). )between. 7. A kind of box beam tire frame according to claim 1, characterized in that: the positioning channel steel (17), the comb tooth plate (18) and the horizontal rib positioning plate (19) are all fixed on the support frame, The bottom of the comb plate (18) is fixed on the support frame, the side of the comb plate (18) is fixed to the side of the positioning channel steel (17), and the bottom of the horizontal rib positioning plate (19) is fixed on the support seat (14) , the side of the horizontal rib positioning plate (19) is fixed on the comb tooth plate (18).

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