CN114800800A - Splicing type bridge prefabricating mold - Google Patents

Abstract

The present application relates to a spliced bridge prefabricated mold, belonging to the field of bridge prefabricated panels, comprising a bottom mold on which two side molds and two end molds are arranged, and the side molds and the end molds are surrounded to form a pouring space , the end mold is formed by splicing a plurality of splicing units, and a connecting structure is provided between adjacent splicing units, the splicing unit includes a straight line part and a forming part that protrudes toward the pouring space, and the forming part includes a straight line part and the straight line part. The end plates are parallel to each other, two ends of the end plates are connected with side plates, and a preset angle is formed between the side plates and the end plates. The present application has the effect of increasing the scope of application of bridge prefabricated molds.

Description

A spliced bridge prefabricated mold

technical field

The present application relates to the field of bridge prefabricated panels, in particular to a spliced bridge prefabricated mold.

Background technique

In the process of bridge construction, there are two types of cast-in-place and prefabrication. The cast-in-place construction method is to erect a mold at the construction site for pouring, and the bridge prefabricated plate is directly transported to the construction site for installation after being processed and formed in the factory. If the bridge is long and relatively standard, the use of prefabrication can not only reduce the cost but also shorten the construction period.

In the related art, the bridge prefabricated mold generally includes a bottom mold and a side mold set on the bottom mold. The shape and length of the side mold are determined according to the shape of the bridge prefabricated plate. Each prefabricated plate requires a set of corresponding molds. The scope limit is small, the prefabricated plate processing factory needs to prepare more molds, and the mold cost is high, especially when the two ends of the prefabricated plate are provided with protruding connecting parts to improve the stability of the connection, the applicable scope of the corresponding mold is limited. Narrower.

SUMMARY OF THE INVENTION

In order to improve the applicable scope of the bridge prefabricated mold, the present application provides a spliced bridge prefabricated mold.

A spliced bridge prefabricated mold provided by the application adopts the following technical scheme:

A spliced bridge prefabricated mold, comprising a bottom mold, on which two side molds and two end molds are arranged, the side molds and the end molds are surrounded to form a pouring space, and the end molds are spliced by a plurality of splicing units Forming, a connection structure is provided between adjacent splicing units, the splicing unit includes a straight part and a forming part that protrudes toward the pouring space, the forming part includes an end plate parallel to the straight part, and the end plate is Both ends are connected with side plates, and a preset angle is formed between the side plates and the end plates.

By adopting the above technical solution, the number of splicing units can be flexibly selected according to the width of the bridge prefabricated panel during use. The number of splicing units is reduced accordingly, and the same set of molds can produce a variety of bridge prefabricated panels of different specifications, with a wide range of applications and low mold costs;

The straight part and the forming part can make the two ends of the bridge prefabricated plate form a concave and convex edge. When the bridge prefabricated plate is connected, the convex part and the concave part of the prefabricated plate can be dislocated and engaged, and then concrete is poured, which can improve the bridge prefabricated plate. The stability of the board connection.

Optionally, the forming part further includes a bottom plate fixedly connected to the bottom mold, and the bottom plate is fixedly connected to the end plate and the side plate at the same time.

By adopting the above technical solution, the bottom plate can play a fixed role on the end plate and the side plate, so that the end plate and the side plate are not easily deformed when they are squeezed by the concrete, and at the same time, the preset angle between the end plate and the side plate is reduced. It will not change, and the stability is better.

Optionally, a hinge shaft is provided between the side plate and the end plate, the hinge shaft is rotatably matched with the side plate and the end plate, the bottom of the side plate is provided with a connecting plate, and the connecting plate is threaded. A locking rod is connected, the bottom plate is provided with a plurality of locking holes matched with the locking rods, and the locking holes are evenly distributed on an arc with the hinge shaft as the center of the circle.

By adopting the above technical solution, the angle between the side plate and the end plate can be adjusted according to the requirements, and the application range is wider. After the adjustment is completed, the locking rod can be inserted into the locking hole by rotating the locking rod. The position of the side plate is positioned, and it is more convenient to adjust.

Optionally, the forming portion and the straight portion are integrally formed, and at least one end of the two ends of the forming portion is connected with the straight portion.

By adopting the above technical solution, for a bridge prefabricated plate with a relatively uniform end bulge, the integrally formed forming part and the straight part can reduce the connection structure, facilitate assembly, and at the same time can improve the stability of the overall mold.

Optionally, the forming part and the straight part are detachably matched, so that the forming part and the straight part are arranged and combined, and one or more straight parts are arranged between adjacent forming parts.

By adopting the above technical solution, the forming part and the straight part can be flexibly assembled according to the shape of the bridge prefabricated plate. The two forming parts can be directly connected, or a plurality of straight parts can be arranged between the two forming parts, and the application range is wider. .

Optionally, the end plate includes an upper half and a lower half, an upper reinforcement groove is formed on the lower half, an upper reinforcement groove corresponding to the lower reinforcement groove is formed on the upper half, and the upper reinforcement groove is formed on the upper half. The upper reinforcing bar groove and the lower reinforcing bar groove are enclosed to form a reinforcing bar hole for piercing the reinforcing bar.

By adopting the above technical solution, when there are extended steel bars on the prefabricated plate of the bridge, the mold needs to reserve holes for the steel bars to pass through. Or pull out the reserved hole, disassembly and assembly are more troublesome and laborious; by dividing the end plate into the upper half and the lower half, when the mold is installed, the steel bars can be put into the lower steel bar grooves from top to bottom, and the installation It is more convenient, and at the same time, when removing the mold, the upper half and the lower half can also be removed separately, which saves effort when removing the mold.

Optionally, a plurality of supporting plates corresponding to the upper reinforcement grooves are arranged between the upper half and the lower half, one end of the supporting plates is located in the upper reinforcement groove, and the other end is located in the lower reinforcement. in the slot.

By adopting the above technical solution, when there are two layers of extended steel bars on the prefabricated plate of the bridge, the upper and lower groups of steel bars can be separated by setting the support plate, the steel bars located at the bottom can be pressed into the lower steel bar grooves, and the steel bars located at the top can be placed on top of each other. in the upper rebar groove.

Optionally, an upper installation groove is formed on the upper half, a lower installation groove is formed on the lower half, an installation plate is provided on the side plate, and one end of the installation plate is located in the upper installation groove , the other end is located in the lower installation groove, and the hinge shaft passes through the upper half, the installation plate and the lower half in sequence.

By adopting the above technical solution, on the one hand, the hinge shaft can facilitate the relative rotation between the end plate and the side plate, and on the other hand, the hinge shaft can also locate the position of the upper half and the lower half. , the upper and lower halves can be positioned by simply fitting the upper half on the hinge shaft.

Optionally, all the support plates are connected by a cross bar, two ends of the cross bar are respectively provided with connecting heads, and the connecting heads are sleeved on the hinge shaft.

By adopting the above technical solution, all the support plates are connected to the cross bar, and moving the cross bar can drive all the support plates to move together, which is convenient for installation and storage. At the same time, the connecting head is sleeved on the hinge shaft, which can play the role of positioning the cross bar. It can position the support plate to prevent the support plate from sliding under the backlog of concrete.

Optionally, the connection structure includes a first baffle plate and a second baffle plate, the first baffle plate is located at an end of the side plate away from the end plate, the second baffle plate is fixedly connected to the straight portion, and the The first baffle plate and the second baffle plate are jointly provided with locking bolts.

By adopting the above technical solution, the locking bolts pass through the first baffle plate and the second baffle plate at the same time, the locking effect is good, and the overall mold is relatively stable during the pouring process.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. By setting up multiple splicing units, in use, the number of splicing units can be flexibly selected according to the width of the bridge prefabricated panel. The same set of molds can produce a variety of bridge prefabricated panels of different specifications, and the mold has a wider application range;

2. By setting the forming part and the straight part, the forming part and the straight part can be combined according to the shape of the end of the bridge prefabricated plate, so that the end of the formed concrete prefabricated plate can form a concave and convex edge, which can make the prefabricated plate convex. The part and the concave part are dislocated and engaged, and the connection is more stable.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the embodiment 1 of the present application;

Fig. 2 is the structural representation of the connection between the side mold and the end mold in Fig. 1;

Fig. 3 is the structural representation of the splicing unit in Fig. 1;

FIG. 4 is a schematic three-dimensional structure diagram of Embodiment 2 of the present application;

Fig. 5 is the structural representation of the splicing unit of Embodiment 3 of the present application;

Fig. 6 is the exploded structure schematic diagram of Fig. 5;

Fig. 7 is the structural representation of the splicing unit of the embodiment 4 of the present application;

FIG. 8 is a schematic diagram of the explosion structure of FIG. 7 .

Description of reference numerals: 1. Bottom mold; 2. Side mold; 3. End mold; 4. Lap joint; 5. Buckle; 6. Splicing unit; ; 10, side plate; 11, first baffle; 12, second baffle; 13, hinge shaft; 14, mounting plate; 15, connecting plate; 16, locking rod; 17, upper half; 18, lower Half; 19, upper reinforcement groove; 20, lower reinforcement groove; 21, support plate; 22, cross bar; 23, connector.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-8.

The embodiment of the present application discloses a spliced bridge prefabrication mold.

Example 1

Referring to FIG. 1, a spliced bridge prefabricated mold includes a bottom mold 1, a side mold 2 and an end mold 3, the side mold 2 is a straight plate, two side molds 2 are arranged in parallel, and the end mold 3 is located at both ends of the side mold 2. Each is provided with one, and the two end molds 3 and the two side molds 2 enclose a pouring space that forms a substantially rectangular parallelepiped.

Referring to FIG. 2, the side mold 2 is fixed on the bottom mold 1, and the end mold 3 can slide on the bottom mold 1 to adjust the size of the pouring space according to the specifications of the bridge precast slab. Both ends of the end mold 3 are provided with protruding overlapping parts 4, and the overlapping parts 4 are overlapped on the upper surface of the side mold 2. The side mold 2 is provided with a buckle 5, and a locking buckle 5 is formed on the buckle 5. The side mold 2, the bottom mold 1 and the lap joint 4 are all engaged in the locking groove, and the buckle 5 is threadedly connected with bolts. After the position adjustment of the end mold 3 is completed, the end mold can be fixed by tightening the bolts. 3 position.

In an implementation of this embodiment, the upper surface of the side mold 2 is uniformly detected and opened with a number of positioning holes along the length direction, and the bolts extend into the positioning holes through the buckle 5 and the overlapping portion 4 for positioning. The shear force between the positioning holes restricts the movement of the overlapping portion 4 , thereby restricting the movement of the end die 3 .

In another implementation of this embodiment, the bolt passes through the buckle 5 to abut against the lap joint 4 , presses the lap joint 4 on the side mold 2 , and passes the lap joint 4 to the upper surface of the side mold 2 . The frictional force between them restricts the movement of the lap joint 4 , which in turn restricts the movement of the end die 3 .

The end mold 3 is formed by splicing a plurality of splicing units 6. The number of the splicing units 6 can be selected according to the width of the prefabricated board when in use. A connection structure is provided between the adjacent splicing units 6, and the connection between the splicing units 6 can be realized through the connection structure. Detachable connection between.

Referring to FIG. 3 , the splicing unit 6 includes a straight portion 7 and a protruding molding portion 8 toward the pouring space, and the splicing unit 6 includes a straight portion 7 and a protruding molding portion 8 toward the pouring space. The straight part 7 and the forming part 8 can form concave and convex edges on both ends of the bridge prefabricated plate. When the bridge prefabricated plate is connected, the convex part and the concave part of the prefabricated plate can be dislocated and engaged, and then the concrete is poured, which can lift the bridge. Stability of bridge precast slab connections.

The forming portion 8 and the straight portion 7 are integrally formed. In an embodiment of this embodiment, both ends of the forming portion 8 are provided with the straight portion 7; in another implementation of this embodiment, the forming portion 8 has only A straight portion 7 is provided at one end. In the actual use process, the splicing unit 6 having the straight portion 7 at both ends and the splicing unit 6 having the straight portion 7 only at one end can also be mixed for use.

The forming part 8 is in the shape of an isosceles trapezoid, and the forming part 8 includes an end plate 9 parallel to the straight part 7. The two ends of the end plate 9 are connected with a side plate 10, the side plate 10 and the end plate 9 are fixedly connected, and the side plate 10 is connected with the end plate. A preset angle is formed between 9. The forming part 8 also includes a bottom plate fixedly connected with the bottom mold 1 , and the bottom plate is fixedly connected with the end plate 9 and the side plate 10 at the same time, so as to support the end plate 9 and the side plate 10 .

The connection structure includes a first baffle 11 and a second baffle 12, the first baffle 11 is located at the end of the side plate 10 away from the end plate 9, the second baffle 12 is fixedly connected with the straight part 7, and the first baffle 11 and the first baffle The two baffles 12 are provided with locking bolts. When a plurality of splicing units 6 are connected to each other, the first baffles 11 and the second baffles 12 of the adjacent splicing units 6 can be abutted, and then the locking bolts can be threaded through The adjacent splicing units 6 can be fixed by bolting and screwing nuts on the locking bolts.

Example 2

Referring to FIG. 4 , the difference between this embodiment and Embodiment 1 is that the forming part 8 and the straight part 7 can be detachably matched. The forming part 8 and the straight part 7 are connected and fixed by passing through bolts and locking nuts. Through the detachable cooperation of the forming part 8 and the straight part 7, the forming part 8 and the straight part 7 can be freely arranged and combined. Adjacent molding parts 8 may be directly connected, or any number of straight line parts 7 may be installed between adjacent molding parts 8 .

Example 3

5 and 6 , the difference between this embodiment and Embodiment 1 is that the side plate 10 and the end plate 9 can be rotated relative to each other to adjust the preset angle between the side plate 10 and the end plate 9 .

A hinge shaft 13 is arranged between the side plate 10 and the end plate 9 , an upper mounting groove is formed on the upper half 17 , a lower mounting groove is formed on the lower half 18 , and a mounting plate 14 is provided on the side plate 10 , and the mounting plate 14 One end is located in the upper installation groove, and the other end is located in the lower installation groove. The hinge shaft 13 passes through the upper half 17 , the installation plate 14 and the lower half 18 in sequence. On the one hand, the hinge shaft 13 can facilitate the relative rotation between the end plate 9 and the side plate 10. On the other hand, the hinge shaft 13 can also locate the position of the upper half 17 and the lower half 18. When the upper half 17 is set on the hinge shaft 13, the upper half 17 and the lower half 18 can be positioned.

The bottom of the side plate 10 is provided with a connecting plate 15, a locking rod 16 is threadedly connected to the connecting plate 15, and a plurality of locking holes matched with the locking rod 16 are arranged on the bottom plate, and the locking holes are evenly distributed on the hinge shaft 13. on the arc of the center of the circle. The angle between the side plate 10 and the end plate 9 can be adjusted according to requirements, and the scope of application is wider. After the adjustment is completed, the locking rod 16 can be inserted into the locking hole by rotating the locking rod The position of the board 10 is positioned.

The end plate 9 includes an upper half part 17 and a lower half part 18, an upper reinforcement groove 19 is formed on the upper half part 17, a lower reinforcement reinforcement groove 20 corresponding to the upper reinforcement groove 19 is formed on the lower half part 18, the upper reinforcement reinforcement groove 19 and The lower reinforcing bar groove 20 and the lower reinforcing bar groove 20 are both semicircular, and the upper reinforcing bar groove 19 and the lower reinforcing bar groove 20 are enclosed to form a circular reinforcing bar hole for piercing the reinforcing bar. When there are extended steel bars on the precast board of the bridge, the lower half 18 can be installed first, and then the steel bars can be installed, so that the steel bars are installed into the lower steel bar groove 20 from top to bottom, and then the upper half part 17 can be installed, so that the upper steel bar groove 19 Snaps onto rebar, eliminating the need to pass rebar directly through smaller rebar holes. At the same time, the mold can be removed by reverse operation, and the mold installation and mold removal are more convenient.

In another specific implementation of this embodiment, the linear portion 7 is also divided into an upper half portion 17 and a lower half portion 18, and a semicircular groove is formed at the connecting position of the upper half portion 17 and the lower half portion 18, The semi-circular grooves are combined in one-to-one correspondence to form rebar holes for the rebars to pass through.

Example 4

Referring to FIGS. 7 and 8 , the difference between this embodiment and Embodiment 3 is that in this embodiment, the upper reinforcement groove 19 and the lower reinforcement groove 20 are both U-shaped, which are suitable for bridge prefabricated slabs provided with two layers of extension reinforcement. .

A support plate 21 is provided between the upper steel bar groove 19 and the lower steel bar groove 20. One end of the support plate 21 is located in the upper steel bar groove 19, and the other end is located in the lower steel bar groove 20. Both ends of the support plate 21 are provided with semicircular recesses. Circular reinforcement holes are formed between the grooves, the grooves and the upper reinforcement groove 19 and the lower reinforcement groove 20 . By arranging the support plate 21 , the two layers of steel bars can be supported and positioned, so that the two layers of steel bars can be kept stable respectively, and at the same time, concrete leakage from the upper steel bar groove 19 and the lower steel bar groove 20 can be avoided.

All the support plates 21 are connected by the cross bar 22. When the cross bar 22 is moved, all the support plates 21 can be moved at the same time. The two ends of the cross bar 22 are respectively provided with connecting heads 23. The connecting heads 23 are sleeved on the hinge shaft 13. The hinge shaft 13 can limit the position of the cross bar 22, thereby limiting the position of the support plate 21 to prevent the support plate 21 from falling off under the action of concrete pressure.

In another specific implementation of this embodiment, the linear portion 7 is also divided into an upper half portion 17 and a lower half portion 18, and a semicircular groove is formed at the connecting position of the upper half portion 17 and the lower half portion 18, A support plate 21 is provided between the upper half 17 and the lower half 18 , and two ends of the support plate 21 are combined with the semicircular grooves in one-to-one correspondence to form reinforcement holes for the reinforcement to pass through.

The implementation principle of this embodiment is: when in use, first install two side molds 2, fix the side molds 2 on the bottom mold 1, and the distance between the two side molds 2 is determined according to the length of the bridge prefabricated plate, and then the The splicing unit 6 is assembled into the end form 3. The number of the splicing unit 6 is determined according to the length of the bridge prefabricated slab. When placing the embedded steel bars, first lift the upper half 17 and the cross bar 22 upward to make the upper half 17 and the support plate 21 is separated from the lower half 18, and then install the steel bars, so that the steel bars enter the lower steel bar groove 20 from top to bottom, and then move the cross bar 22, so that the lower end of the support plate 21 is inserted into the lower steel bar groove 20, and is supported on two floors. Between the steel bars, finally install the upper half 17.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. The utility model provides a concatenation formula bridge prefabrication mould which characterized in that: including die block (1), be provided with two side mould (2) and both ends mould (3) on die block (1), side mould (2) and end mould (3) enclose to establish and form and pour the space, end mould (3) are formed by polylith concatenation unit (6) concatenation, are provided with connection structure between adjacent concatenation unit (6), concatenation unit (6) include straight line portion (7) and orientation pour bellied shaping portion (8) in space, shaping portion (8) include with end plate (9) that straight line portion (7) are parallel, the both ends of end plate (9) are connected with curb plate (10), curb plate (10) with be formed with between end plate (9) and predetermine the contained angle.

2. The splicing type bridge prefabrication mold of claim 1, wherein: the forming part (8) further comprises a bottom plate fixedly connected with the bottom die (1), and the bottom plate is fixedly connected with the end plate (9) and the side plate (10).

3. The spliced bridge prefabrication mold according to claim 2, wherein: be provided with articulated shaft (13) between curb plate (10) and end plate (9), articulated shaft (13) with curb plate (10) and end plate (9) normal running fit, the bottom of curb plate (10) is provided with connecting plate (15), threaded connection has check lock lever (16) on connecting plate (15), be provided with on the bottom plate a plurality of with check lock lever (16) complex locking hole, locking hole evenly distributed with articulated shaft (13) are on the arc line of centre of a circle.

4. The prefabricated mould of concatenation formula bridge of claim 3, characterized in that: the forming part (8) and the linear part (7) are integrally formed, and at least one end of the two ends of the forming part (8) is connected with the linear part (7).

5. The prefabricated mould of concatenation formula bridge of claim 3, characterized in that: the forming parts (8) and the linear parts (7) are detachably matched, so that the forming parts (8) and the linear parts (7) are arranged and combined, and one or more linear parts (7) between the adjacent forming parts (8) are configured.

6. The prefabricated mould of concatenation formula bridge of claim 5, characterized in that: the end plate (9) comprises an upper half part (17) and a lower half part (18), an upper reinforcing steel bar groove (19) is formed in the lower half part (18), an upper reinforcing steel bar groove (19) corresponding to the lower reinforcing steel bar groove (20) is formed in the upper half part (17), and reinforcing steel bar holes for penetrating reinforcing steel bars are formed by the upper reinforcing steel bar groove (19) and the lower reinforcing steel bar groove (20) in a surrounding mode.

7. The spliced bridge prefabrication mold of claim 6, wherein: a plurality of supporting plates (21) corresponding to the upper reinforcement grooves (19) are arranged between the upper half part (17) and the lower half part (18), one end of each supporting plate (21) is located in the upper reinforcement groove (19), and the other end of each supporting plate (21) is located in the lower reinforcement groove (20).

8. The prefabricated mould of concatenation formula bridge of claim 7, characterized in that: be formed with the mounting groove on first half (17), be formed with down the mounting groove on lower half (18), be provided with mounting panel (14) on curb plate (10), mounting panel (14) one end is located in going up the mounting groove, the other end is located in the mounting groove down, articulated shaft (13) pass in proper order first half (17), mounting panel (14) and lower half (18).

9. The prefabricated mould of concatenation formula bridge of claim 7, characterized in that: all backup pad (21) are connected through horizontal pole (22), the both ends of horizontal pole (22) are provided with connector (23) respectively, connector (23) cover is established on articulated shaft (13).

10. The splicing type bridge prefabrication mold of claim 1, wherein: the connecting structure comprises a first baffle (11) and a second baffle (12), the first baffle (11) is located at one end, away from the end plate (9), of the side plate (10), the second baffle (12) is fixedly connected with the linear portion (7), and locking bolts penetrate through the first baffle (11) and the second baffle (12) together.

Images