CN213709201U

CN213709201U - Supporting underframe of steel bridge frame

Info

Publication number: CN213709201U
Application number: CN202021877351.8U
Authority: CN
Inventors: 褚胜明; 张俊; 刘文叔; 褚骏
Original assignee: Jiangsu Wusheng Technology Co ltd
Current assignee: Jiangsu Wusheng Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-07-16
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a support chassis of steel bridge roof beam structure, including crossbeam and stiffener, the utility model discloses an optimization has set up positioning mechanism in the crossbeam top, make the locating piece get into the constant head tank of steel bridge roof beam structure bottom inboard through the in-process at the removal steel bridge roof beam structure, the fixture block enters into the inboard draw-in groove of constant head tank simultaneously, thereby realize the primary positioning to the steel bridge roof beam structure, and make placing of steel bridge roof beam structure more level and more stable when four locating pieces at crossbeam top enter into the constant head tank of steel bridge roof beam structure bottom simultaneously, reached and carried out the pre-fixing to the installation of steel bridge roof beam structure and make the installation more steady, bring convenient beneficial effect for later stage welding.

Description

Supporting underframe of steel bridge frame

Technical Field

The utility model particularly relates to a support chassis of steel bridge roof beam structure relates to the relevant field of support chassis.

Background

With the continuous development of science and technology, traffic becomes more and more convenient, no matter a train, a car, a bus or a subway runs, a bridge cannot be separated, in the construction process of the bridge, a main body of the bridge is mainly made of a steel bridge frame and concrete poured on the steel bridge frame, and therefore the steel bridge frame makes an immeasurable contribution to the stability and the firmness of the bridge, the quality of the steel bridge frame is ensured to be an important key technology, and a supporting underframe is an important component of the steel bridge frame.

When the supporting base frame is used, the supporting base frame is usually connected to the steel bridge frame in a welding mode, the steel bridge frame and the base frame need to be aligned and then welded before welding, but the alignment process is usually adjusted in a manual mode, accuracy is difficult to guarantee, and meanwhile, the overall quality is easily influenced due to the fact that the welding process is adjusted and the welding process is prone to deterioration caused by external force.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model discloses herein provide a support chassis of steel bridge frame.

The utility model is realized in such a way, a supporting underframe of a steel bridge girder frame is constructed, the device comprises a crossbeam, a reinforcing rod and a positioning mechanism, the crossbeam is arranged at the front side and the rear side of the top end face of the bracket, the steel bridge girder frame is welded at the top of the crossbeam, the positioning mechanism is arranged at the top of the crossbeam and consists of a positioning block, a chute, a clamping block, a sealing plate, a fixed plate, a groove, a transmission mechanism, a supporting plate, through holes and a spring, the positioning block slides leftwards and rightwards in the chute through the transmission mechanism, the chute is arranged at the left end and the right end of the top end face of the crossbeam, the clamping block movably extends into the through holes arranged at the top of the rear end face of the positioning block, the clamping block is connected to the middle part of the rear end face of the supporting plate through the spring, the sealing plate movably, the groove is arranged at the left upper ends of the front end face and the rear end face of the inner side of the sliding groove, and the supporting plate is fastened at the front end of the inner side of the through hole.

Preferably, the reinforcing rod is installed on the inner side of the support, four ends of the bottom end face of the support are welded with the bottom plate, and four ends of the bottom end face of the bottom plate are provided with the installation holes.

Preferably, the transmission mechanism comprises a baffle, an extension plate, a rotating rod, a bevel gear set and a screw rod, the baffle is fastened at the middle and left end of the inner side of the sliding groove, the extension plate is arranged at the middle upper part of the left end face of the baffle in an integrated structure, the rotating rod penetrates through the middle of the top end face of the extension plate and then is fastened at the middle of the top end face of the bevel gear set, the bevel gear set is positioned at the bottom of the left end of the baffle, the screw rod penetrates through the bottom of the right end face of the baffle and then is fastened at the middle of the right end face of the bevel gear set, and.

Preferably, the edge of the bottom end face of the steel bridge beam frame is provided with a positioning groove corresponding to the positioning block, and the rear end face of the inner side of the positioning groove is provided with a clamping groove corresponding to the clamping block.

Preferably, the rear end of the outer side of the fixture block is in a tapered shape from front to back, and the rear end of the top end face of the fixture block and the rear end face of the positioning block form an included angle of 150 degrees.

Preferably, the vertical distance between the left end face of the inner side of the sliding groove and the left end face of the baffle corresponds to the width of the sealing plate, and a silica gel gasket is arranged on the end face of the outer side of the sealing plate.

Preferably, the inner side of the through hole is T-shaped, and the outer front end of the fixture block is opposite to the T-shaped.

Preferably, the right end of the bottom end face of the screw completely covers the right end of the bottom of the inner side of the sliding groove, and the bottom of the right end face of the inner side of the sliding groove is provided with a rotating groove corresponding to the screw.

Preferably, the positioning block is made of alloy steel.

Preferably, the screw is made of stainless steel.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a support chassis of steel bridge roof beam structure here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a support chassis of steel bridge roof beam structure, the utility model discloses an optimization has set up positioning mechanism in the crossbeam top, make the locating piece get into the constant head tank inboard of steel bridge roof beam structure bottom through the in-process at the removal steel bridge roof beam structure, the fixture block enters into the inboard draw-in groove of constant head tank simultaneously, thereby realize the primary location to the steel bridge roof beam structure, and make placing of steel bridge roof beam structure level and more stable when four locating pieces at crossbeam top enter into the constant head tank inboard of steel bridge roof beam structure bottom simultaneously, reached and carried out the pre-fixing to the installation of steel bridge roof beam structure and make the installation more steady, bring convenient beneficial effect for the later stage welding.

The method has the advantages that: a support chassis of steel bridge roof beam structure, the utility model discloses a fixture block outside rear end is by preceding toper form to the back convergent, and fixture block top face rear end is 150 contained angles with the locating piece rear end face for the fixture block moves forward when receiving the thrust of steel bridge roof beam structure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the distribution structure of the positioning mechanism of the present invention;

FIG. 3 is a schematic view of the sealing plate connection structure of the present invention;

FIG. 4 is a schematic view of the right cross-section of the positioning block of the present invention;

fig. 5 is a schematic view of the front sectional structure of the transmission mechanism of the present invention.

Wherein: the device comprises a cross beam-1, a reinforcing rod-2, a bracket-3, a steel bridge frame-4, a bottom plate-5, a mounting hole-6, a positioning mechanism-7, a positioning block-71, a sliding groove-72, a clamping block-73, a sealing plate-74, a fixing plate-75, a groove-76, a transmission mechanism-77, a supporting plate-78, a through hole-79, a spring-710, a baffle-771, an extension plate-772, a rotating rod-773, a bevel gear group-774 and a screw-775.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a support chassis of steel bridge roof beam frame through the improvement, including crossbeam 1, stiffener 2 and positioning mechanism 7, crossbeam 1 installs both sides around the support 3 top end face, and crossbeam 1 top welding has steel bridge roof beam frame 4, positioning mechanism 7 sets up in crossbeam 1 top, positioning mechanism 7 comprises locating piece 71, spout 72, fixture block 73, closing plate 74, fixed plate 75, recess 76, drive mechanism 77, backup pad 78, thru hole 79 and spring 710, locating piece 71 passes through drive mechanism 77 and slides from side to side in spout 72 inboard, spout 72 sets up in crossbeam 1 top end face both ends from side to side, fixture block 73 activity stretches into the thru hole 79 inboard that locating piece 71 rear end face top was seted up, and fixture block 73 passes through spring 710 to be connected in backup pad 78 rear end face middle part, be convenient for make fixture block 73 reset fast, closing plate 74 activity stretches into spout 72 inboard left end, and the middle parts of the front and rear ends of the sealing plate 74 are provided with fixing plates 75 in an integrated structure, the fixing plates 75 are fitted inside the grooves 76, the grooves 76 are formed at the left upper ends of the front and rear end surfaces inside the sliding grooves 72, so that the sealing plate 74 can be placed stably, and the supporting plate 78 is fastened at the front end inside the through hole 79.

Further, the reinforcing rod 2 is installed on the inner side of the support 3 to further reinforce the support 3, the bottom plate 5 is welded at four ends of the bottom end face of the support 3, and the mounting holes 6 are formed at four ends of the bottom end face of the bottom plate 5.

Further, the transmission mechanism 77 is composed of a baffle 771, an extension plate 772, a rotating rod 773, a bevel gear set 774 and a screw 775, the baffle 771 is fastened at the middle-left end of the inner side of the sliding groove 72, the extension plate 772 is arranged at the middle-upper portion of the left end face of the baffle 771 in an integrated structure, the rotating rod 773 penetrates through the middle of the top end face of the extension plate 772 and then is fastened at the middle of the top end face of the bevel gear set 774, the bevel gear set 774 is located at the bottom of the left end of the baffle 771, the screw 775 penetrates through the bottom of the right end face of the baffle 771 and then is fastened at the middle of the right end face of the bevel gear set 774, and the side surface of the screw 775 is.

Furthermore, a positioning groove corresponding to the positioning block 71 is formed in the edge of the bottom end face of the steel bridge frame 4, and a clamping groove corresponding to the clamping block 73 is formed in the rear end face of the inner side of the positioning groove, so that the clamping block 73 and the positioning block 71 can be conveniently installed and placed at the bottom of the steel bridge frame 4.

Further, the rear end of the outer side of the clamping block 73 is tapered from front to back, and the rear end of the top end surface of the clamping block 73 and the rear end surface of the positioning block 71 form an included angle of 150 degrees, so that the clamping block 73 moves forward under the thrust of the steel bridge frame 4 in the upward movement process.

Further, the vertical distance between the left end surface of the inner side of the sliding groove 72 and the left end surface of the baffle 771 corresponds to the width of the sealing plate 74, and a silica gel gasket is arranged on the outer end surface of the sealing plate 74, so that the sealing of the sealing plate 74 on the rotating rod 773 is more stable.

Furthermore, the inner side of the through hole 79 is T-shaped, and the front end of the outer side of the latch 73 is opposite to the T-shaped, so that the latch 73 is prevented from falling off from the inner side of the through hole 79.

Further, the right end of the bottom end face of the screw 775 completely covers the right end of the bottom inside the sliding groove 72, and the bottom of the right end face inside the sliding groove 72 is provided with a rotating groove corresponding to the screw 775, so that the positioning block 71 can be horizontally displaced at a larger distance.

Furthermore, the positioning block 71 is made of alloy steel, so that the hardness is high and the connection is stable.

Furthermore, the screw 775 is made of stainless steel, so that it is not easy to rust and corrode and has a long service life.

The utility model provides a supporting bottom frame of a steel bridge frame through improvement, and the working principle is as follows;

firstly, fixedly mounting the whole bracket 3 on an external preset connection point by using a bolt to match with a mounting hole 6 on a bottom plate 5, and simultaneously mounting and fixing the reinforcing rod 2 and the cross beam 1;

secondly, when the steel bridge frame 4 needs to be welded and installed, the position of the positioning block 71 can be adjusted through a positioning groove preset at the bottom of the steel bridge frame 4, the bevel gear set 774 can be driven to rotate by rotating the rotating rod 773, meanwhile, the bevel gear set 774 drives the screw 775 to rotate, at the moment, the positioning block 71 is driven by the screw 775 to horizontally move to a proper position, and then the rotating rod 73 stops rotating;

thirdly, the positioning block 71 can enter the inner side of the positioning groove at the bottom of the steel bridge frame 4 in the process of moving the steel bridge frame 4, the positioning block 71 applies thrust to the clamping block 73 in the process of entering the positioning groove, so that the clamping block 73 slides towards the inner side of the through hole 79, the spring 710 is stressed and compressed, after the positioning block 71 completely enters the inner side of the positioning groove at the bottom of the steel bridge frame 4, the clamping block 73 enters the inner side of the clamping groove at the inner side of the positioning groove under the elastic force of the spring 710, so that the initial positioning of the steel bridge frame 4 is realized, and when four positioning blocks 71 at the top of the cross beam 1 simultaneously enter the inner side of the positioning groove at the bottom of the steel bridge frame 4, the steel bridge frame 4 is placed more smoothly and stably, and the sealing plate 74 can drive the fixing plate 75 to enter the;

fourthly, the steel bridge frame 4 and the cross beam 1 can be welded finally, and other parts of the bridge are fixedly installed.

The utility model provides a supporting bottom frame of steel bridge frame through improving, through make locating piece 71 get into the constant head tank inboard of steel bridge frame 4 bottom in the course of removing steel bridge frame 4, and locating piece 71 exerts thrust to fixture block 73 in the course of getting into the constant head tank, thereby make fixture block 73 slide to thru hole 79 inboard, and spring 710 atress compresses, after locating piece 71 totally got into the constant head tank inboard of steel bridge frame 4 bottom, fixture block 73 received the elasticity of spring 710 simultaneously and got into the inboard draw-in groove of constant head tank inboard, thereby realize the initial positioning to steel bridge frame 4, and make placing of steel bridge frame 4 more level and more stable when four locating pieces 71 at the top of crossbeam 1 got into the constant head tank inboard of steel bridge frame 4 bottom simultaneously, and can drive fixed plate 75 to enter recess 76 inboard with closing plate 74 and place, reached and carried out the pre-fixing to the installation of steel bridge frame 4 and make the installation more steady, bringing convenience to later welding; the rear end of the outer side of the clamping block 73 is in a tapered shape from front to back, and the rear end of the top end face of the clamping block 73 and the rear end face of the positioning block form an included angle of 150 degrees, so that the clamping block 73 moves forwards when being pushed by the steel bridge frame 4.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A supporting underframe of a steel bridge frame comprises a cross beam (1) and reinforcing rods (2), wherein the cross beam (1) is arranged on the front side and the rear side of the top end face of a support (3), and the steel bridge frame (4) is welded on the top of the cross beam (1);

the method is characterized in that: the positioning device is characterized by further comprising a positioning mechanism (7), the positioning mechanism (7) is arranged at the top of the cross beam (1), the positioning mechanism (7) is composed of a positioning block (71), a sliding groove (72), a clamping block (73), a sealing plate (74), a fixing plate (75), a groove (76), a transmission mechanism (77), a supporting plate (78), through holes (79) and springs (710), the positioning block (71) slides left and right on the inner side of the sliding groove (72) through the transmission mechanism (77), the sliding groove (72) is formed in the left end face and the right end face of the top end of the cross beam (1), the clamping block (73) movably extends into the inner side of the through hole (79) formed in the top of the rear end face of the positioning block (71), the clamping block (73) is connected to the middle of the rear end face of the supporting plate (78) through the springs (710), the sealing plate (74) movably extends into the left end of the inner side, the fixing plate (75) is matched with the inner side of the groove (76), the groove (76) is arranged at the left upper end of the front and rear end surfaces of the inner side of the sliding groove (72), and the supporting plate (78) is fastened at the front end of the inner side of the through hole (79).

2. The support chassis of a steel bridge as claimed in claim 1, wherein: the reinforcing rod (2) is installed on the inner side of the support (3), the bottom plate (5) is welded to the four ends of the bottom end face of the support (3), and the mounting holes (6) are formed in the four ends of the bottom end face of the bottom plate (5).

3. The support chassis of a steel bridge as claimed in claim 1, wherein: the transmission mechanism (77) is composed of a baffle plate (771), an extension plate (772), a rotating rod (773), a bevel gear set (774) and a screw rod (775), the baffle plate (771) is fastened at the middle and left ends of the inner sides of the sliding grooves (72), the extension plate (772) is arranged on the middle and upper portion of the left end face of the baffle plate (771) in an integrated structure, the rotating rod (773) penetrates through the middle of the top end face of the extension plate (772) and then is fastened at the middle of the top end face of the bevel gear set (774), the bevel gear set (774) is located at the bottom of the left end of the baffle plate (771), the screw rod (775) penetrates through the bottom of the right end face of the baffle plate (771) and then is fastened at the middle of the right end face of the bevel gear set (774).

4. The support chassis of a steel bridge as claimed in claim 1, wherein: the edge of the bottom end face of the steel bridge frame (4) is provided with a positioning groove corresponding to the positioning block (71), and the rear end face of the inner side of the positioning groove is provided with a clamping groove corresponding to the clamping block (73).

5. The support chassis of a steel bridge as claimed in claim 1, wherein: the rear end of the outer side of the clamping block (73) is in a tapered shape from front to back, and the rear end of the top end face of the clamping block (73) forms an included angle of 150 degrees with the rear end face of the positioning block (71).

6. The support chassis of a steel bridge as claimed in claim 1, wherein: the vertical distance between the left end face of the inner side of the sliding groove (72) and the left end face of the baffle plate (771) corresponds to the width of the sealing plate (74), and a silica gel gasket is arranged on the end face of the outer side of the sealing plate (74).

7. The support chassis of a steel bridge as claimed in claim 1, wherein: the inner side of the through hole (79) is T-shaped, and the front end of the outer side of the clamping block (73) is opposite to the T-shaped.

8. The support chassis of a steel bridge as claimed in claim 3, wherein: the right end of the bottom end face of the screw (775) completely covers the right end of the bottom of the inner side of the sliding groove (72), and a rotating groove corresponding to the screw (775) is formed in the bottom of the right end face of the inner side of the sliding groove (72).