Movable prefabricated box girder bottom die system
By designing a movable precast box girder bottom formwork system, and using hydraulic cylinders and slot structures to achieve rapid adjustment of the formwork distance and height, the problem of difficulty in replacing box girders of different specifications is solved, and production efficiency and equipment convenience are improved.
Patent Information
- Application Number
- CN202520216592.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The existing precast box girder bottom formwork system uses fixed templates, which makes it difficult to adapt to box girders of different specifications, resulting in difficult replacement and low efficiency, thus affecting production efficiency.
A movable precast box girder bottom formwork system is designed, which adopts multiple sets of equipment bases, support frames and hydraulic cylinders. The hydraulic cylinders push the positioning frame to slide and adjust the template distance. The side plate height is adjustable. The limit block and slot structure facilitates template disassembly and installation, and realizes rapid adjustment of template size.
It improves the convenience and efficiency of precast box girder production, and the template can quickly adapt to box girders of different specifications, simplifying the disassembly, assembly and transportation of equipment.
Smart Images

Figure CN223657268U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to precast box girder production technical field, concretely relates to a movable precast box girder bottom mould system. BACKGROUND
[0002] With the rapid development of infrastructure construction, the application of prefabricated components is more and more widely. As an important part of bridge engineering, precast box girder has significant advantages in improving construction speed and reducing on-site operation difficulty.
[0003] Among the announcement number CN215589475U discloses a kind of movable precast box girder bottom mould system. A kind of movable precast box girder bottom mould system, including frame, formwork device, longitudinal displacement device, horizontal displacement device, lifting device and outer mould opening and closing device;Formwork device is set on formwork seat, including bottom mould plate and outer mould plate, and outer mould plate is located at bottom mould plate both sides respectively;Outer mould opening and closing device is set on opening and closing base, including horizontal movement component and side shift component, for enabling outer mould plate to be attached or separated with precast box girder web;Outer mould plate bottom is equipped with lifting device, horizontal displacement device and longitudinal moving device;Longitudinal device includes by longitudinal displacement motor driven longitudinal displacement wheel group and with longitudinal displacement wheel group cooperation longitudinal displacement track;Horizontal displacement device includes by horizontal displacement motor driven horizontal displacement wheel group and with horizontal displacement wheel group cooperation horizontal displacement track;Lifting device is set between horizontal displacement wheel group and formwork seat.
[0004] Because different specifications of precast box girder need different formwork to pour, but the formwork in the device is fixed, and it is difficult to adjust when replacing different specifications of precast box girder, and the replacement efficiency is low, which affects the production efficiency of precast box girder.
[0005] Therefore, it is necessary to invent a kind of movable precast box girder bottom mould system to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of movable precast box girder bottom mould system to solve the problems, such as when replacing different specifications of precast box girder in the prior art, it is difficult to adjust, replacement efficiency is low, and it affects the production efficiency of precast box girder.
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of movable precast box girder bottom mould system, including multiple sets of equipment base, support frame is set between left and right two sets of equipment base, the upper side of the support frame is fixedly connected with bottom mould plate, the upper side of the equipment base is provided with adjusting assembly, adjusting assembly includes first hydraulic cylinder, positioning frame, second hydraulic cylinder, first side plate, support block, limit rod, second side plate, limit block, crossbeam and sleeve joint groove, the upper surface of the equipment base is provided with multiple sets of transverse positioning sliding slot, the lower surface of the positioning frame is fixedly connected with multiple sets of positioning sliding block, and the positioning sliding block is slidably connected with the positioning sliding slot.
[0008] By adopting the technical scheme, the equipment base cooperates with the support frame to support the bottom mold plate, the first side plate and the second side plate, the positioning frame slides left and right on the surface of the equipment base, the distance between the left and right mold plates can be adjusted, the second side plate is detachable, the height of the left and right mold plates can be adjusted, the mold plate can be adapted to different specifications of the prefabricated box girder for use, the use convenience of the equipment is increased, and the production efficiency of the prefabricated box girder is improved.
[0009] Optionally, the middle part of the surface of the left and right groups of equipment bases away from each other is fixedly connected with a mounting plate, the first hydraulic cylinder is fixedly installed on the side surface of the mounting plate, the middle part of the outer surface of the positioning frame is fixedly connected with a support plate, and the outer end of the telescopic rod of the first hydraulic cylinder is fixedly connected with the support plate.
[0010] By adopting the technical scheme, the first hydraulic cylinder pushes the positioning frame to slide on the surface of the equipment base, and the distance between the left and right mold plates can be quickly adjusted.
[0011] Optionally, the lower end of the second hydraulic cylinder is rotatably connected with a first connecting block, the upper end of the telescopic rod in the second hydraulic cylinder is rotatably connected with a second connecting block, the lower end of the first connecting block is fixedly connected with the middle part of the upper surface of the positioning frame, and the second connecting block is fixedly connected with the middle part of the lower surface of the cross beam.
[0012] By adopting the technical scheme, the second hydraulic cylinder is used for adjusting the height of the cross beam.
[0013] Optionally, the first side plate is fixedly connected with the inner surface of the positioning frame, a plurality of support blocks are fixedly connected with the outer surface of the first side plate, and the upper ends of the plurality of support blocks are fixedly connected with limiting rods.
[0014] Optionally, limiting grooves are formed in the front and rear surfaces of the limiting rod, and two groups of clamping grooves are formed in the side wall close to the upper end position of the limiting groove.
[0015] Optionally, a plurality of limiting clamping blocks are fixedly connected with the side surface of the second side plate, the limiting clamping blocks are slidably connected with the limiting rods, the outer end of the limiting clamping block is clamped in the inner part of the limiting groove, a plurality of sleeve grooves are formed in the surface of the cross beam, and the cross beam is slidably connected with the limiting rods through the sleeve grooves.
[0016] By adopting the technical scheme, the second side plate slides up and down on the surface of the limiting rod through the limiting clamping block, and the second side plate is convenient to disassemble or assemble through the clamping groove, so that the height of the left and right mold plates can be adjusted.
[0017] Optionally, the front side of the equipment base is fixedly connected with two groups of first connecting plates, the rear side of the equipment base is fixedly connected with two groups of second connecting plates, and the front and rear side surfaces of the equipment base are fixedly connected with third connecting plates at positions close to one end of the support frame.
[0018] Optionally, the left and right ends of the front and rear side surfaces of the support frame are fixedly connected with fourth connecting plates, and the surfaces of the first connecting plates, the second connecting plates, the third connecting plates and the fourth connecting plates are provided with plug-in holes, and the plug-in holes are plugged with pin rods.
[0019] By adopting the above technical scheme, the first connecting plate and the second connecting plate are engaged with each other, the third connecting plate and the fourth connecting plate are engaged with each other, and the equipment base and the support frame are fixed by inserting the pin rod into the plug-in hole, and the front and rear equipment bases are connected.
[0020] In the above technical scheme, the technical effects and advantages of the utility model are provided:
[0021] 1. The utility model discloses a first hydraulic cylinder pushes the positioning frame on the surface of equipment base and slides, and the distance between the left and right side forms is quickly adjusted, and the second side plate slides on the surface of the limiting rod through the limiting check block, and the second side plate is conveniently disassembled or installed through the clamping groove, the height of the left and right side forms is quickly adjusted, and the upper end of the left and right side forms is pressed tightly through the second hydraulic cylinder and the crossbeam slides up and down, so that the size specification of the form is adjusted, and the preparation efficiency of the prefabricated box girder is improved.
[0022] 2. The utility model discloses a third connecting plate, fourth connecting plate and pin rod cooperate with each other, and the equipment base and the support frame on the left and right sides are fixed, then the first connecting plate, the second connecting plate and the pin rod cooperate with each other, and the equipment base on the front and rear sides is connected, the length of the form is adjusted, the equipment is conveniently disassembled and assembled, and the equipment transportation and transfer efficiency is improved. DRAWINGS
[0023] Figure 1 It is the whole structure schematic diagram of the utility model;
[0024] Figure 2 It is the bottom form structure schematic diagram of the utility model;
[0025] Figure 3 It is the equipment base and support frame connection state structure schematic diagram of the utility model;
[0026] Figure 4 It is the equipment base and support frame separation state structure schematic diagram of the utility model;
[0027] Figure 5The first side plate and the second side plate structure schematic view of the utility model;
[0028] Figure 6 The second side plate and the beam structure schematic view of the utility model;
[0029] Figure 7 The positioning frame structure schematic view of the utility model.
[0030] Mark explanation:
[0031] 1, equipment base;11, mounting plate;12, first hydraulic cylinder;13, positioning sliding groove;14, first connecting plate;15, second connecting plate;16, third connecting plate;17, plug-in hole;18, pin;2, support frame;21, fourth connecting plate;3, bottom die plate;4, positioning frame;41, positioning sliding block;42, support plate;43, first connecting block;44, second hydraulic cylinder;45, second connecting block;5, first side plate;51, support block;52, limiting rod;53, limiting groove;54, clamping groove;55, second side plate;56, limiting clamping block;57, beam;58, sleeve groove. Specific implementation
[0032] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.
[0033] The utility model provides a kind of movable prefabricated box girder bottom die system as shown in Figures 1 to 4 The utility model discloses a kind of movable prefabricated box girder bottom die system, including multiple equipment base 1, support frame 2 is provided between left and right two equipment base 1, the front side of equipment base 1 is fixedly connected with two groups of first connecting plate 14, the rear side of equipment base 1 is fixedly connected with two groups of second connecting plate 15, the surface of equipment base 1 front and rear sides is fixedly connected with third connecting plate 16 in the position of one end close to support frame 2, the left and right ends of the front and rear sides of support frame 2 are all fixedly connected with fourth connecting plate 21, the surface of first connecting plate 14, second connecting plate 15, third connecting plate 16 and fourth connecting plate 21 is all provided with plug-in hole 17, plug-in hole 17 is inserted with pin 18 in its inside, the upper side of support frame 2 is fixedly connected with bottom die plate 3.
[0034] The bottom template 3 is a flat steel plate made of high-strength steel to ensure it is not easily deformed under heavy pressure. During installation, the support frame 2 is placed between the two sets of equipment bases 1. Then, the left and right sides are moved inward to make the third connecting plate 16 and the fourth connecting plate 21 interlock, and the insertion holes 17 on the surfaces of the third connecting plate 16 and the fourth connecting plate 21 are interconnected. Then, the pin 18 is inserted into the inner side of the third connecting plate 16 and the fourth connecting plate 21 to connect and fix them, thereby connecting the support frame 2 to the equipment bases 1 on the left and right sides. After fixing, place another set of equipment base 1 and support frame 2 on the rear side of the front equipment base 1 and support frame 2, and engage the second connecting plate 15 at the rear end of the front equipment base 1 with the first connecting plate 14 at the front end of the rear equipment base 1. Then insert the pin 18 into the inside of the first connecting plate 14 and the second connecting plate 15 to connect and fix the two sets of equipment base 1. Repeat this process to install multiple sets of equipment base 1, which facilitates the adjustment of the length of the precast box girder template and the disassembly and transportation of the template, thus improving the convenience of equipment transportation.
[0035] See Figure 2 , Figures 5 to 7 An adjustment assembly is provided on the upper side of the equipment base 1. The adjustment assembly includes a first hydraulic cylinder 12, a positioning frame 4, a second hydraulic cylinder 44, a first side plate 5, a support block 51, a limit rod 52, a second side plate 55, a limit block 56, a crossbeam 57, and a sleeve groove 58. Multiple sets of transverse positioning slide grooves 13 are opened on the upper surface of the equipment base 1. Multiple sets of positioning sliders 41 are fixedly connected to the lower surface of the positioning frame 4. The positioning sliders 41 are slidably connected to the positioning slide grooves 13. Mounting plates 11 are fixedly connected to the middle position of the two sets of equipment base 1 on opposite sides. The first hydraulic cylinder 12 is fixedly installed on the side of the mounting plate 11. A support plate 42 is fixedly connected to the middle position of the outer surface of the positioning frame 4. The outer end of the telescopic rod of the first hydraulic cylinder 12 is fixedly connected to the support plate 42.
[0036] Specifically, the first hydraulic cylinder 12 pushes the positioning frame 4 to slide left and right on the surface of the equipment base 1, adjusting the distance between the left and right templates, so that the template can be used for precast box beams of different widths. At the same time, the positioning slider 41 slides inside the positioning groove 13 to position the positioning frame 4, improving the stability of the positioning frame 4 and the left and right templates during the adjustment process. In addition, in order to reduce the friction of the positioning slider 41, rollers can be installed on the side of the positioning slider 41 to improve the smoothness of the adjustment of the positioning frame 4.
[0037] See Figure 6 and Figure 7The lower end of the second hydraulic cylinder 44 is rotationally connected with a first connecting block 43, the upper end of the telescopic rod in the second hydraulic cylinder 44 is rotationally connected with a second connecting block 45, the lower end of the first connecting block 43 is fixedly connected with the middle part of the upper surface of the positioning frame 4, the second connecting block 45 is fixedly connected with the middle part of the lower surface of the cross beam 57, the first side plate 5 is fixedly connected with the inner side surface of the positioning frame 4, the outer side surface of the first side plate 5 is fixedly connected with a plurality of groups of supporting blocks 51, the upper end of each group of the supporting blocks 51 is fixedly connected with a limiting rod 52, the front and rear side surfaces of the limiting rod 52 are both provided with a limiting groove 53, the side wall close to the upper end position of the limiting groove 53 is provided with two groups of clamping grooves 54, the side surface of the second side plate 55 is fixedly connected with a plurality of groups of limiting clamping blocks 56, the limiting clamping blocks 56 are slidably connected with the limiting rod 52, the outer end of the limiting clamping block 56 is clamped in the inside of the limiting groove 53, and the surface of the cross beam 57 is provided with a plurality of groups of sleeving grooves 58.
[0038] Meanwhile, in the process of increasing the height of the left and right side templates, first, the second hydraulic cylinder 44 pushes the cross beam 57 to the uppermost end, at this time, the second side plate 55 on the outside is placed on the side surface of the limiting rod 52, then the limiting clamping block 56 is clamped into the inside of the limiting groove 53 through the clamping groove 54, then the second side plate 55 is slid downward, the corresponding second side plate 55 is added according to the required height, then the second hydraulic cylinder 44 pulls the cross beam 57 downward, the cross beam 57 slides downward on the surface of the limiting rod 52 through the sleeving groove 58, and the upper end of the second side plate 55 is pressed, so that the plurality of groups of second side plates 55 are tightly connected, and the stability of the side plate is improved.
[0039] The utility model discloses a working principle: first hydraulic cylinder 12 promotes the positioning frame 4 to slide on the surface of equipment base 1, the distance between the left and right side templates is adjusted quickly, and the limiting clamping block 56 is clamped into the inside of the limiting groove 53 through the clamping groove 54, so that the second side plate 55 is added, the second side plate 55 is removed, the height of the left and right side templates is adjusted quickly, the upper end of the left and right side templates is pressed by the cross beam 57 sliding up and down under the drive of the second hydraulic cylinder 44, the size specification of the template is adjusted, the preparation efficiency of the prefabricated box girder is improved, a plurality of equipment base 1 and support frame 2 are detachable, the equipment is disassembled and transported, and the length of the template is adjusted.
[0040] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A movable precast box girder bottom formwork system, comprising multiple sets of equipment bases (1), characterized in that: A support frame (2) is provided between the two sets of equipment bases (1). A bottom template (3) is fixedly connected to the upper side of the support frame (2). An adjustment component is provided on the upper side of the equipment base (1). The adjustment component includes a first hydraulic cylinder (12), a positioning frame (4), a second hydraulic cylinder (44), a first side plate (5), a support block (51), a limit rod (52), a second side plate (55), a limit block (56), a crossbeam (57), and a sleeve groove (58). Multiple sets of transverse positioning slide grooves (13) are opened on the upper surface of the equipment base (1). Multiple sets of positioning sliders (41) are fixedly connected to the lower surface of the positioning frame (4). The positioning sliders (41) are slidably connected to the positioning slide grooves (13).
2. The movable precast box girder bottom formwork system according to claim 1, characterized in that: The two sets of equipment bases (1) are fixedly connected to the middle of the opposite side surface of the base (1) with mounting plates (11), the first hydraulic cylinder (12) is fixedly installed on the side of the mounting plate (11), the middle of the outer surface of the positioning frame (4) is fixedly connected to the support plate (42), and the outer end of the telescopic rod of the first hydraulic cylinder (12) is fixedly connected to the support plate (42).
3. The movable precast box girder bottom formwork system according to claim 1, characterized in that: The lower end of the second hydraulic cylinder (44) is rotatably connected to the first connecting block (43), and the upper end of the telescopic rod in the second hydraulic cylinder (44) is rotatably connected to the second connecting block (45). The lower end of the first connecting block (43) is fixedly connected to the middle part of the upper surface of the positioning frame (4), and the second connecting block (45) is fixedly connected to the middle part of the lower surface of the crossbeam (57).
4. A movable precast box girder bottom formwork system according to claim 1, characterized in that: The first side plate (5) is fixedly connected to the inner surface of the positioning frame (4), and multiple sets of support blocks (51) are fixedly connected to the outer surface of the first side plate (5). Limiting rods (52) are fixedly connected to the upper ends of the multiple sets of support blocks (51).
5. A movable precast box girder bottom formwork system according to claim 4, characterized in that: The limiting rod (52) has limiting grooves (53) on both the front and rear surfaces, and the limiting groove (53) has two sets of snap-fit grooves (54) on the side wall near the upper end.
6. A movable precast box girder bottom formwork system according to claim 5, characterized in that: The side of the second side plate (55) is fixedly connected with multiple sets of limiting blocks (56), the limiting blocks (56) are slidably connected with the limiting rod (52), the outer end of the limiting blocks (56) is locked inside the limiting groove (53), and the surface of the crossbeam (57) is provided with multiple sets of socket grooves (58), the crossbeam (57) is slidably connected with the limiting rod (52) through the socket grooves (58).
7. A movable precast box girder bottom formwork system according to claim 1, characterized in that: Two sets of first connecting plates (14) are fixedly connected to the front side of the equipment base (1), two sets of second connecting plates (15) are fixedly connected to the rear side of the equipment base (1), and third connecting plates (16) are fixedly connected to the front and rear surfaces of the equipment base (1) near the end of the support frame (2).
8. A movable precast box girder bottom formwork system according to claim 7, characterized in that: The support frame (2) has a fourth connecting plate (21) fixedly connected to the left and right ends of the front and rear surfaces. The first connecting plate (14), the second connecting plate (15), the third connecting plate (16) and the fourth connecting plate (21) are all provided with insertion holes (17), and a pin (18) is inserted into the insertion hole (17).
Citation Information
Patent Citations
Movable prefabricated box girder bottom die system
CN215589475U
Cited By
Adjustable hydraulic formwork system for precast beam production
CN121515304A