Cast-in-place box girder formwork installation structure

Abstract

The utility model relates to the technical field of box girders, in particular to a cast-in-place box girder formwork installation structure which comprises a bottom formwork, a side formwork and an installation mechanism, the bottom formwork and the side formwork are connected through the installation mechanism, the installation mechanism comprises a first sliding block, a threaded cylinder, a threaded rod, a clamping block and a rotating rod, and the first sliding block is fixed to the bottom of the side formwork. A first sliding groove matched with the first sliding block is formed in the top of the bottom die, and the first sliding block is in sliding connection with the first sliding groove. A cavity is formed in the bottom die, one end of the rotating rod transversely penetrates through the bottom die and is rotationally connected with the side wall of the cavity, the side wall of the rotating rod is in clearance fit with the bottom die, and the other end of the rotating rod is arranged outside the bottom die; a driving gear is fixed on the side wall of the rotating rod; the threaded barrel is arranged on the inner wall of the cavity, a bevel gear is fixed to one end of the threaded barrel and meshed with the driving gear, and a threaded rod is arranged at the other end of the threaded barrel, so that the cast-in-place box girder formwork can be quickly mounted, and the mounting efficiency of the cast-in-place box girder formwork is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of box beams, in particular to a cast-in-place box beam template installation structure. Background Art

[0002] Cast-in-place box girder refers to a box girder cast on-site on a construction site using concrete. It can also be called a "plate box girder". Its structure is box-shaped and can withstand large loads in both the longitudinal and transverse directions. It is a commonly used construction method for road bridges and railway bridges. The cast-in-place box girder formwork is a temporary mold used for one-time on-site casting of concrete box girders.

[0003] The Chinese utility model patent with publication number CN219731678U, published on September 22, 2023, discloses a box girder formwork for municipal road and bridge construction, including side formwork one, side formwork two and a limit plate, and the upper ends of the side formworks one and two are both installed with limit plates, and the side formworks one and two are both provided with adjustment devices, and the adjustment devices can adjust the angle of the box girder formwork for municipal road and bridge construction. The adjustment device includes a bottom formwork one and a bottom formwork two, and the bottom formwork one is rotatably installed at the lower end of the side formwork one, and the bottom formwork two is rotatably installed at the lower end of the side formwork two.

[0004] The above patent can adjust the rotation angle of the side formwork, so that different types of box girders can be manufactured and the utilization rate of the box girder formwork can be improved. However, it is impossible to quickly install each part and the construction efficiency is low. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a cast-in-place box girder template installation structure, which can quickly install the cast-in-place box girder template and improve the installation efficiency of the cast-in-place box girder template.

[0006] The utility model provides the following technical solutions:

[0007] A cast-in-place box girder formwork installation structure comprises a bottom form, a side form and an installation mechanism, the bottom form and the side form are connected through the installation mechanism, the installation mechanism comprises a first slider, a threaded barrel, a threaded rod, a clamping block and a rotating rod, the first slider is fixed to the bottom of the side form, a first sliding groove matching the first slider is provided on the top of the bottom form, and the first slider is slidably connected to the first sliding groove; a cavity is provided inside the bottom form, one end of the rotating rod horizontally penetrates the bottom form and is rotatably connected to the side wall of the cavity, the side wall of the rotating rod is clearance-matched with the bottom form, and the other end of the rotating rod is arranged outside the bottom form; a driving gear is fixed to the side wall of the rotating rod; the threaded barrel is arranged on the inner wall of the cavity, a bevel gear is fixed at one end of the threaded barrel, the bevel gear is meshed with the driving gear, a threaded rod is provided at the other end of the threaded barrel, and the outer wall of the threaded rod is threadedly connected to the inner wall of the threaded barrel; a fixing groove is provided at the end of the first slider opposite to the threaded rod, and when the bottom form is connected to the side form, the outer end of the threaded rod extends to the inside of the fixing groove.

[0008] Furthermore, a clamping block is fixed to the side wall of the threaded rod, and when the bottom mold is connected to the side mold, the outer end of the threaded rod and the clamping block are simultaneously clamped in the interior of the fixing groove.

[0009] Furthermore, a second slide groove matching with the top mold is provided at the top of the side mold, and the top of the side mold is fixed to the top mold.

[0010] Furthermore, a baffle is fixed to the side wall of the side mold, a second sliding block matching the sliding groove at the bottom of the top mold is fixed to the top of the baffle, and the top of the baffle is fixed to the bottom of the top mold.

[0011] Furthermore, the side mold and the top mold, the baffle and the bottom mold, and the baffle and the top mold are fixed by fixing bolts.

[0012] The further structure also includes a supporting assembly, which includes a fixing frame and a slot. The fixing frame is L-shaped, and a slot is provided on the top outer wall of the side mold. The bottom side wall of the fixing frame is fixed to the side wall of the bottom mold, and the top of the fixing frame is snap-connected to the slot.

[0013] Furthermore, a support block is sleeved on the top of the fixed frame, a mounting groove is provided on the side wall of the fixed frame, a cavity connected to the mounting groove is provided on the inner wall of the support block, the bottom of the screw rod is arranged in the mounting groove, the top of the screw rod extends into the cavity, the side wall of the screw rod is rotatably connected to the fixed frame, and the side wall of the screw rod is threadedly connected to the support block.

[0014] Furthermore, a spring telescopic rod is arranged inside the cavity, the bottom of the spring telescopic rod is fixed to the top of the fixing frame, and the top of the spring telescopic rod is fixed to the top of the inner cavity of the support block.

[0015] Furthermore, the support assembly also includes a reinforcement rod, a limiting groove is provided on the outer side wall of the side mold, one end of the reinforcement rod is slidably connected to the limiting groove, one end of the reinforcement rod is fixed to the fixed frame, and the limiting block is fixed to the reinforcement rod and the limiting groove.

[0016] Furthermore, the side wall of the bottom mold is provided with a convex ridge, and the side wall of the fixing frame is provided with a groove matching the convex ridge.

[0017] The utility model has the following beneficial technical effects:

[0018] 1. The utility model can quickly install the cast-in-place box girder formwork, thereby improving the installation efficiency of the cast-in-place box girder formwork.

[0019] 2. The utility model stably supports the formwork through the support assembly, thereby improving the stability of the cast-in-place box girder formwork. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the fixing bolt;

[0022] Figure 3 is a structural schematic diagram of the installation mechanism;

[0023] Figure 4 for Figure 3 Schematic diagram of the structure of the middle A area;

[0024] Figure 5 for Figure 3 Schematic diagram of the structure of the middle B area;

[0025] Figure 6 is a schematic diagram of the structure of the support assembly;

[0026] Figure 7 for Figure 6 Schematic diagram of the structure of the middle C region.

[0027] The reference numerals in the figure are as follows:

[0028] 1. Bottom mold; 2. Side mold; 3. Top mold; 4. Installation mechanism; 401. First slider; 402. First slide groove; 403. Threaded cylinder; 404. Threaded rod; 405. Block; 406. Fixed groove; 407. Rotating rod; 4071. Driving gear; 408. Bevel gear; 409. Second slide groove; 410. Fixing bolt; 411. Baffle; 412. Second slider; 413. Support assembly; 4131. Fixed frame; 4132. Support block; 4133. Block; 4134. Screw; 4135. Spring telescopic rod; 4136. Reinforcement rod; 4137. Limit block; 4138. Limit groove; 4139. Recess. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0031] like Figure 1-Figure 7 As shown, the cast-in-place box beam template installation structure of this embodiment includes a bottom mold 1, a side mold 2 and a mounting mechanism 4, the bottom mold 1 and the side mold 2 are connected by the mounting mechanism 4, the mounting mechanism 4 includes a first slider 401, a threaded cylinder 403, a threaded rod 404, a block 405 and a rotating rod 407, the first slider 401 is fixed to the bottom of the side mold 2, the top of the bottom mold 1 is provided with a first slide groove 402 matching the first slider 401, the first slider 401 is slidably connected to the first slide groove 402; a cavity is provided inside the bottom mold 1, one end of the rotating rod 407 horizontally penetrates the bottom mold 1 and is rotatably connected to the side wall of the cavity, and the rotating rod 4 07 side wall and the bottom mold 1 are clearance-matched, and the other end of the rotating rod 407 is arranged outside the bottom mold 1; a driving gear 4071 is fixed to the side wall of the rotating rod 407; a threaded cylinder 403 is arranged on the inner wall of the cavity, and a bevel gear 408 is fixed to one end of the threaded cylinder 403, and the bevel gear 408 is meshed with the driving gear 4071, and a threaded rod 404 is arranged at the other end of the threaded cylinder 403, and the outer wall of the threaded rod 404 is threadedly connected with the inner wall of the threaded cylinder 403; a fixing groove 406 is provided at the end of the first sliding block 401 opposite to the threaded rod 404, and when the bottom mold 1 is connected to the side mold 2, the outer end of the threaded rod 404 extends to the inside of the fixing groove 406.

[0032] When installing the bottom mold 1 and the side mold 2, the rotating rod 407 is rotated to make the driving gear 4071 drive the two bevel gears 408 to rotate, thereby driving the threaded cylinder 403 to rotate, and the threaded cylinder 403 drives the threaded rod 404 to move to one side until it is inserted into the fixing groove 406.

[0033] Furthermore, a clamping block 405 is fixed to the side wall of the threaded rod 404 , and when the bottom mold 1 is connected to the side mold 2 , the outer end of the threaded rod 404 and the clamping block 405 are simultaneously clamped in the interior of the fixing groove 406 .

[0034] The threaded rod 404 cooperates with the clamping block 405 to improve the stability of the connection between the bottom mold 1 and the side mold 2.

[0035] Furthermore, a second slide groove 409 matching with the top mold 3 is opened at the top of the side mold 2, and the top of the side mold 2 is fixed to the top mold 3.

[0036] Furthermore, a baffle plate 411 is fixed to the side wall of the side mold 2 , a second sliding block 412 matching the bottom sliding groove of the top mold 3 is fixed to the top of the baffle plate 411 , and the top of the baffle plate 411 is fixed to the bottom of the top mold 3 .

[0037] Furthermore, the side mold 2 and the top mold 3 , the baffle plate 411 and the bottom mold 1 , and the baffle plate 411 and the top mold 3 are fixed by fixing bolts 410 .

[0038] Furthermore, it also includes a support component 413, which includes a fixing frame 4131 and a slot 4133. The fixing frame 4131 is L-shaped, and the top outer wall of the side mold 2 is provided with a slot 4133. The bottom side wall of the fixing frame 4131 is fixed to the side wall of the bottom mold 1, and the top of the fixing frame 4131 is snap-connected with the slot 4133.

[0039] Furthermore, a support block 4132 is sleeved on the top of the fixing frame 4131, a mounting groove is provided on the side wall of the fixing frame 4131, a cavity connected to the mounting groove is provided on the inner wall of the support block 4132, the bottom of the screw rod 4134 is arranged in the mounting groove, the top of the screw rod 4134 extends into the cavity, the side wall of the screw rod 4134 is rotatably connected to the fixing frame 4131, and the side wall of the screw rod 4134 is threadedly connected to the support block 4132.

[0040] When the fixing frame 4131 is installed, the screw rod 4134 is rotated, and the screw rod 4134 drives the supporting block 4132 to move upward and be inserted into the slot 4133 .

[0041] Furthermore, a spring telescopic rod 4135 is provided inside the cavity, the bottom of the spring telescopic rod 4135 is fixed to the top of the fixing frame 4131 , and the top of the spring telescopic rod 4135 is fixed to the top of the inner cavity of the support block 4132 .

[0042] The support block 4132 cooperates with the spring telescopic rod 4135 to support the cast-in-place box girder template, which can provide stable support for the cast-in-place box girder template and improve the stability of the cast-in-place box girder template.

[0043] Furthermore, the support assembly 413 also includes a reinforcement rod 4136, and a limiting groove 4138 is opened on the outer wall of the side mold 2. One end of the reinforcement rod 4136 is slidably connected to the limiting groove 4138, and one end of the reinforcement rod 4136 is fixed to the fixing frame 4131. The limiting block 4137 is fixed to the reinforcement rod 4136 and the limiting groove 4138.

[0044] The reinforcement rod 4136 can be used to install the fixing frame 4131 and support the side mold 2 by cooperating with the limiting block 4137 and the limiting groove 4138.

[0045] Furthermore, the side wall of the bottom mold 1 is provided with a ridge, and the side wall of the fixing frame 4131 is provided with a groove 4139 matching the ridge.

[0046] The method of using the utility model is:

[0047] The side mold 2 is mounted on the bottom mold 1 through the first slider 401 and the first slide groove 402. The rotating rod 407 drives the bevel gear 408 of the threaded cylinder 403 to rotate through the driving gear 4071, thereby driving the threaded rod 404 to move, so that the threaded rod 404 cooperates with the block 405 to move to one side and insert into the fixed groove 406; the top mold 3 is mounted on the two side molds 2 by cooperating with the second slide groove 409, and the fixing bolt 410 is used to limit the top mold 3. The baffle 411 is mounted on the top mold 3 through the second slider 412 The bottom end of the mold 3 is fixed by the fixing bolts 410 on the surface of the baffle 411, and the fixing frame 4131 is installed on both sides of the bottom mold 1 through the groove 4139. The reinforcement rod 4136 cooperates with the limiting groove 4138 through the limiting block 4137 to limit the fixing frame 4131 and support the side mold 2. The rotating screw 4134 is threadedly connected with the fixing frame 4131 to drive the support block 4132 to move upward and insert into the slot 4133. The support block 4132 cooperates with the spring telescopic rod 4135 to support the cast-in-place box girder formwork.

[0048] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A cast-in-place box beam formwork installation structure, comprising a bottom formwork (1), a side formwork (2) and an installation mechanism (4), wherein the bottom formwork (1) and the side formwork (2) are connected via the installation mechanism (4), characterized in that: The mounting mechanism (4) comprises a first slider (401), a threaded cylinder (403), a threaded rod (404), a block (405) and a rotating rod (407); the first slider (401) is fixed to the bottom of the side mold (2); a first slide groove (402) matching the first slider (401) is provided on the top of the bottom mold (1); the first slider (401) is slidably connected to the first slide groove (402); a cavity is provided inside the bottom mold (1); one end of the rotating rod (407) transversely penetrates the bottom mold (1) and is rotatably connected to the side wall of the cavity; the side wall of the rotating rod (407) is clearance-matched with the bottom mold (1); the other end of the rotating rod (407) is arranged on the bottom mold (1) outside; a driving gear (4071) is fixed to the side wall of the rotating rod (407); a threaded cylinder (403) is arranged on the inner wall of the cavity, a bevel gear (408) is fixed to one end of the threaded cylinder (403), the bevel gear (408) is meshed with the driving gear (4071), a threaded rod (404) is arranged at the other end of the threaded cylinder (403), and the outer wall of the threaded rod (404) is threadedly connected to the inner wall of the threaded cylinder (403); a fixing groove (406) is formed at the end of the first sliding block (401) opposite to the threaded rod (404), and when the bottom mold (1) is connected to the side mold (2), the outer end of the threaded rod (404) extends to the inside of the fixing groove (406).

2. The cast-in-place box beam formwork installation structure according to claim 1, characterized in that: A clamping block (405) is fixed to the side wall of the threaded rod (404). When the bottom mold (1) is connected to the side mold (2), the outer end of the threaded rod (404) and the clamping block (405) are simultaneously clamped in the interior of the fixing groove (406).

3. The cast-in-place box beam formwork installation structure according to claim 1, characterized in that: A second slide groove (409) matching with the top mold (3) is provided on the top of the side mold (2), and the top of the side mold (2) is fixed to the top mold (3).

4. The cast-in-place box beam formwork installation structure according to claim 3, characterized in that: A baffle (411) is fixed to the side wall of the side mold (2), a second sliding block (412) matching the bottom sliding groove of the top mold (3) is fixed to the top of the baffle (411), and the top of the baffle (411) is fixed to the bottom of the top mold (3).

5. The cast-in-place box beam formwork installation structure according to claim 4, characterized in that: The side mold (2) and the top mold (3), the baffle plate (411) and the bottom mold (1), and the baffle plate (411) and the top mold (3) are fixed by fixing bolts (410).

6. The cast-in-place box beam formwork installation structure according to claim 1, characterized in that: The invention also comprises a support assembly (413), wherein the support assembly (413) comprises a fixing frame (4131) and a clamping groove (4133), the fixing frame (4131) is L-shaped, the top outer wall of the side mold (2) is provided with a clamping groove (4133), the bottom side wall of the fixing frame (4131) is fixed to the side wall of the bottom mold (1), and the top of the fixing frame (4131) is clamped to the clamping groove (4133).

7. The cast-in-place box beam formwork installation structure according to claim 6, characterized in that: The top of the fixing frame (4131) is sleeved with a support block (4132), a mounting groove is provided on the side wall of the fixing frame (4131), a cavity connected to the mounting groove is provided on the inner wall of the support block (4132), the bottom of the screw rod (4134) is arranged in the mounting groove, the top of the screw rod (4134) extends into the cavity, the side wall of the screw rod (4134) is rotatably connected to the fixing frame (4131), and the side wall of the screw rod (4134) is threadedly connected to the support block (4132).

8. The cast-in-place box beam formwork installation structure according to claim 7, characterized in that: A spring telescopic rod (4135) is arranged inside the cavity, the bottom of the spring telescopic rod (4135) is fixed to the top of the fixing frame (4131), and the top of the spring telescopic rod (4135) is fixed to the top of the inner cavity of the support block (4132).

9. The cast-in-place box beam formwork installation structure according to claim 6, characterized in that: The support assembly (413) also includes a reinforcing rod (4136), and a limiting groove (4138) is provided on the outer side wall of the side mold (2). One end of the reinforcing rod (4136) is slidably connected to the limiting groove (4138), one end of the reinforcing rod (4136) is fixed to the fixing frame (4131), and the limiting block (4137) is fixed to the reinforcing rod (4136) and the limiting groove (4138).

10. The cast-in-place box beam formwork installation structure according to claim 6, characterized in that: The side wall of the bottom mold (1) is provided with a convex ridge, and the side wall of the fixing frame (4131) is provided with a groove (4139) matching the convex ridge.

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