Automatic production die for steel box girder

Abstract

The automatic production mold for the steel box girder comprises a conveying line, a bottom plate connected with the conveying line in a sliding mode through a rail is arranged above the conveying line, the upper surface of the conveying line is connected with oppositely-arranged supporting frames in a sliding mode, vibrators are arranged at the bottom ends of the supporting frames, and the opposite faces of the two supporting frames are provided with molds. Hydraulic rods fixed to the upper surface of the conveying line are arranged on the outer surfaces of the bottom ends of the two molds correspondingly, a concrete steel box girder poured between the two molds is arranged above the bottom plate, and baffles fixed to the outer surfaces of the molds are arranged at the two ends of the concrete steel box girder correspondingly. Through the arrangement of the dies supported by the telescopic ends of the hydraulic rods, the two dies can be assembled conveniently, meanwhile, the supporting frames are installed on the two side faces of the dies in a sliding mode, the combined dies can have supporting performance, and the distance can be adjusted conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel box girder production mould technical field especially relates to a steel box girder automation production mould. BACKGROUND

[0002] Steel box girder is also called steel plate box girder, is the structural form that large span bridge is commonly used, generally use on the bridge of larger span, because the appearance is like a box so called steel box girder, in the large span cable supported bridge, the span of steel box girder reaches several hundred meters and up to thousand meters, generally divide into several beam sections and install, and its cross section has the characteristics of wide and flat appearance, and the height-width ratio reaches about 1:10, when making steel box girder, U-shaped rib mould pouring assembly technology is used, and pouring is carried out by installing and positioning U-shaped rib mould on the top plate or floor.

[0003] At present, the traditional production mode is inconvenient for adjusting the pouring thickness of the steel box girder, and the production quality is easily reduced, therefore, the steel box girder automation production mould is provided. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a steel box girder automation production mould, which has the effect of convenient operation and adjustment.

[0005] The technical scheme of the utility model is: a steel box girder automation production mould, which comprises a conveying line, a bottom plate connected to the conveying line through a track, a support frame connected to the upper surface of the conveying line in a sliding manner, a vibrator arranged at the bottom end of the support frame, a mould arranged on the opposite side of the support frame, a hydraulic rod arranged on the bottom end of the mould and fixed to the upper surface of the conveying line, a cast steel box girder arranged between the two moulds, and a baffle fixed to the outer surface of the mould and arranged at the two ends of the cast steel box girder.

[0006] In a further technical scheme, a scraping strip is arranged at the two ends of the cast steel box girder, and the scraping strip is connected to the side of the baffle facing the cast steel box girder in a sliding manner.

[0007] In a further technical scheme, a sliding groove is formed in the side of the baffle facing the cast steel box girder, a slide channel is formed in the baffle and connected to the opening of the sliding groove, a threaded sliding block is connected to the inner wall of the slide channel in a sliding manner by a driving assembly, a connecting bolt is fixed to the outer surface of the scraping strip and arranged on one side of the threaded sliding block, and the connecting bolt is fixed to one end of the threaded sliding block.

[0008] In a further technical solution, the scraping strip is composed of a first scraping plate and a second scraping plate, one end of the first scraping plate is provided with a cavity penetrating into the interior, one end of the second scraping plate is slidingly arranged on the inner wall of the cavity, and a compression spring is fixedly connected between the end of the second scraping plate away from the exterior and the inner wall of the cavity.

[0009] In a further technical solution, the top surface of the threaded sliding block is provided with a lead screw threadedly connected thereto, and the top surface of the lead screw is provided with a stepper motor located at the top end of the baffle.

[0010] In a further technical solution, the scraping strip is inclined near one side of the cast steel box girder.

[0011] The steel box girder automatic production mold of the utility model, through setting up the mold pressed by the telescopic end of the hydraulic rod, can make two molds convenient to assemble, and the supporting frame is slidingly installed on the two side surfaces of the mold, so that the combined mold has supportability and is convenient to adjust the spacing.

[0012] On the other hand, the utility model also sets up the scraping strip of the two end surfaces of the cast steel box girder, so that the cast concrete slag falling when the cast steel box girder is rammed is cleaned, the production quality is improved, and the flatness of the two ends of the cast steel box girder is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.In the drawings:

[0014] Figure 1 It is the overall structure schematic view of the embodiment of the utility model;

[0015] Figure 2 It is the bottom plate structure schematic view of the embodiment of the utility model;

[0016] Figure 3 It is the side view sectional structure schematic view of the baffle of the embodiment of the utility model;

[0017] Figure 4 It is the front view sectional structure schematic view of the baffle of the embodiment of the utility model;

[0018] Figure 5 It is the sectional structure schematic view of the scraping plate of the embodiment of the utility model;

[0019] Figure 6 It is the embodiment of the utility model Figure 3 The enlarged structure schematic view of A in the embodiment of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1, transport line; 2, base plate; 3, mold; 4, support frame; 5, hydraulic rod; 6, mixed concrete box girder; 7, baffle; 8, scraping strip; 9, first scraping plate; 10, cavity; 11, second scraping plate; 12, compression spring; 13, slide; 14, sliding groove; 15, stepping motor; 16, lead screw; 17, threaded sliding block; 18, connecting bolt. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0023] It should be understood that the term "comprising" as used in the specification and the appended claims indicates the presence of the recited features, integers, steps, operations, elements, and / or components but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0024] For the sake of simplicity, only the parts of the drawings that are related to the present application are shown schematically, and they do not represent the actual structure of the product. In addition, in order to make the drawings simple and easy to understand, in some drawings, only one of the components with the same structure or function is schematically shown, or only one of them is marked. In this document, "one" not only means "only one", but also means "more than one" situation.

[0025] It should be further understood that the term "and / or" as used in the specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0026] In the embodiments shown in the drawings, the indications of directions, such as up, down, left, right, front, and back, are used to explain the structure and movement of various components of the present application, which are not absolute but relative. These descriptions are appropriate when these components are in the position shown in the drawings. If the position of these components changes, the indications of these directions also change accordingly.

[0027] In addition, in the description of the present application, the terms "first", "second", and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific implementation manners of the present application will be described below with reference to the drawings. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0029] As Figures 1-6 shown, the utility model discloses a kind of steel box girder automation production mould, including transport line 1, the bottom plate 2 of transport line 1 is equipped with by track sliding connection, the upper surface of transport line 1 is slidably connected with the support frame 4 of being oppositely arranged, the bottom end of support frame 4 is equipped with vibrator, the opposite surface of two support frames 4 is equipped with mould 3, mould 3 is inclined plane, the bottom end outer surface of two moulds 3 is equipped with hydraulic rod 5 fixed on the upper surface of transport line 1, the telescopic end of hydraulic rod 5 is fixed on the side of mould 3, for telescopic push mould 3, two moulds 3 are combined, the top of bottom plate 2 is equipped with the cast-in-place concrete steel box girder 6 between two moulds 3, the both ends of cast-in-place concrete steel box girder 6 are equipped with baffle 7 fixed on the outer surface of mould 3, baffle 7 can make the cast-in-place shape of cast-in-place concrete steel box girder 6 more perfect.

[0030] When pouring cast-in-place concrete steel box girder 6, the relative position of two moulds 3 is adjusted by driving hydraulic rod 5 to extend and retract, then support frame 4 is pushed to the two side surfaces of two moulds 3, and is positioned, and finally cast-in-place concrete is poured in the mold groove formed between two moulds 3, the cast-in-place concrete is located between the front and rear baffles 7, then the vibrator is driven to compact the cast-in-place concrete, and the forming state is maintained, then the telescopic ends of two hydraulic rods 5 are retracted, and then support frame 4 is withdrawn to the original position, so that cast-in-place concrete steel box girder 6 is located above bottom plate 2 and is transported to the next production line through the track. The device is set to make the assembly action of mould 3 quick, the pressure is adjustable under the telescopic effect of hydraulic rod 5, different plate thicknesses are adapted, and the device has the advantages of high precision, high efficiency, no damage, etc. The distance between moulds 3 can be well controlled.

[0031] In another embodiment, as Figure 2 , Figure 3 and Figure 4 shown, the both ends of the cast-in-place concrete steel box girder 6 are provided with a scraping strip 8, the scraping strip 8 is attached to the both ends of the cast-in-place concrete steel box girder 6, and the scraping strip 8 is slidably connected to the side of the baffle 7 facing the cast-in-place concrete steel box girder 6. The scraping strip 8 can scrape the both ends of the cast-in-place concrete steel box girder 6 during sliding to ensure the flatness of the both ends of the cast-in-place concrete steel box girder 6, which is beneficial to improve the pouring quality.

[0032] When working, the scraping strip 8 at both ends of the cast-in-place concrete steel box girder 6 can scrape off the cast-in-place concrete that falls off from the both ends of the cast-in-place concrete steel box girder 6 after compaction, thereby ensuring the flatness of the both ends of the cast-in-place concrete steel box girder 6.

[0033] As Figure 3 , Figure 4 and Figure 6 shown, the baffle 7 of the utility model is provided with a chute 14 on one side facing the concrete box girder 6, two baffle 7 are respectively arranged at one end of the concrete box girder 6, and the two baffle 7 are symmetrical, and the baffle 7 is combined with the die 3, so that the scraper 8 and the chute 14 are both provided with two on the surface of the baffle 7, one side of the opening of the chute 14 is communicated with a slide 13 provided in the baffle 7, the inner wall of the slide 13 is slidably connected with a threaded sliding block 17 movably connected with a driving assembly, one side of the threaded sliding block 17 is fixedly provided with a connecting bolt 18 sliding in the inner wall of the chute 14, and one end of the connecting bolt 18 is fixed to the outer surface of the scraper 8, so that the scraper 8 can improve the smooth sliding.

[0034] That is, by arranging the scraper 8 to slide in the inner wall of the chute 14 through the connecting bolt 18, the scraper 8 can be conveniently moved up and down, and the threaded sliding block 17 movably connected with the driving assembly is arranged, so that the threaded sliding block 17 can stably move with the connecting bolt 18 when moving, and the convenience of scraping work of the scraper 8 is improved.

[0035] In order to further illustrate the technical scheme of the utility model, please continue to refer to Figure 5 As shown in the drawings, the scraper 8 of the utility model is composed of a first scraper 9 and a second scraper 11, one end of the first scraper 9 is provided with a cavity 10 penetrating into the interior, one end of the second scraper 11 slides in the inner wall of the cavity 10, and a compression spring 12 is fixedly connected between the end, away from the exterior, of the second scraper 11 and the inner wall of the cavity 10.

[0036] The utility model arranges the scraper 8 to be composed of the first scraper 9 and the second scraper 11, so that the scraper 8 has the effect of one end contraction, and since the top and the bottom of the concrete box girder 6 are in the shape of wide to narrow, the scraping environment of the scraper 8 will also be wide to narrow along the end of the concrete box girder 6, and when moving downward, the second scraper 11 moves downward in close contact with the inner wall of the die 3, and every distance will make the second scraper 11 retract into the interior of the cavity 10 to press the compression spring 12, until the scraper 8 resets and the second scraper 11 pops out again.

[0037] In another embodiment, as shown in Figure 3 and Figure 6 The top surface of the threaded sliding block 17 is provided with a lead screw 16 threadedly connected therewith, and the top surface of the lead screw 16 is provided with a stepper motor 15 located at the top end of the baffle 7.

[0038] In use, driving the stepper motor 15 to rotate the lead screw 16 can make the threaded sliding block 17 move downward in the guiding environment of the slide 13, so that the scraper 8 has the effect of moving downward and upward.

[0039] As Figure 6As shown, one side of the scraping strip 8 close to the concrete steel box girder 6 is an inclined surface.

[0040] The utility model discloses a kind of steel box girder automation production mould, by being set up the mould that hydraulic rod telescopic end is pressed, two moulds can be easily assembled, while support frame slidingly installed on the two side surfaces of mould, the combined mould can be supported, and it is convenient to adjust spacing.

[0041] In another aspect, the utility model is also set up by setting up the scraping strip of concrete steel box girder two end surfaces, the concrete slag that concrete steel box girder is rammed when being fallen can be cleaned, improve production quality, guarantee the flatness of concrete steel box girder two ends.

[0042] The above embodiments only express the specific implementation of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. A steel box girder automated production mold, including a transport line, characterized by: A bottom plate slidably connected to a track is provided above the transport line, and support frames arranged opposite to each other are slidably connected to the upper surface of the transport line. A vibrator is provided at the bottom end of the support frame, and molds are provided on the opposite surfaces of the two support frames. The outer surfaces of the bottom ends of the two molds are provided with hydraulic rods fixed to the upper surface of the transport line, and a concrete steel box girder cast between the two molds is provided above the bottom plate, and baffles are provided at both ends of the concrete steel box girder fixed to the outer surface of the mold.

2. The automated production mold for steel box beams according to claim 1, characterized in that: Both ends of the concrete steel box beam are provided with scrapers, and the scrapers are slidably connected to a side surface of the baffle facing the concrete steel box beam.

3. The automated production mold for steel box beams according to claim 2, characterized in that: A slide groove is provided on one side of the baffle facing the concrete steel box girder, and the open side of the slide groove is connected to a slideway provided inside the baffle. The inner wall of the slideway is slidably connected to a threaded slider movably connected to a driving component, and a connecting bolt sliding on the inner wall of the slide groove is fixedly installed on one side of the threaded slider, and one end of the connecting bolt is fixed to the outer surface of the scraper strip.

4. The automated production mold for steel box beams according to claim 2, characterized in that: The scraper strip is composed of a first scraper and a second scraper. One end of the first scraper is provided with a cavity extending into the interior. One end of the second scraper slides on the inner wall of the cavity. A compression spring is fixedly connected between the end of the second scraper away from the outside and the inner wall of the cavity.

5. The automated production mold for steel box beams according to claim 3, characterized in that: A screw rod threadably connected to the threaded slider is inserted into the top surface of the threaded slider, and a stepping motor located at the top end of the baffle is inserted into the top surface of the screw rod.

6. The automated production mold for steel box beams according to claim 2, characterized in that: The side surface of the scraper close to the concrete steel box girder is an inclined surface.

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