CN215146122U

CN215146122U - Steel plate transverse clamping device for welding U rib plate unit

Info

Publication number: CN215146122U
Application number: CN202120201226.3U
Authority: CN
Inventors: 刘建军; 柴瑞骏; 胡文喜
Original assignee: Hubei Tiangao Bridge Engineering Co ltd
Current assignee: Hubei Tiangao Bridge Engineering Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-12-14
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a be used for U floor unit welded steel sheet horizontal clamping device, steel sheet horizontal clamping device includes the chucking mechanism, the last bayonet socket structure that has of chucking mechanism, the bayonet socket structure has the barb, the barb is used for the steel sheet to transversely block spacingly. The steel plate can be transversely positioned and clamped, and welding of the steel plate in two states of fixing and longitudinal moving on the welding platform can be simultaneously met.

Description

Steel plate transverse clamping device for welding U rib plate unit

Technical Field

The utility model relates to a U floor unit welding field, concretely relates to be used for U floor unit welded steel sheet lateral clamping device.

Background

In the field of welding of steel structures such as bridges and buildings, steel box girder structures can be used. The steel box girder is mainly used for providing support and avoiding bridge deformation. The steel box girder is generally formed by connecting a top plate, a bottom plate, a closed rib and other components in an all-welded mode, and the bottom plate and the closed rib form a U-shaped rib plate unit structure. At present in practical application steel box girder bottom plate (steel sheet) and steel box girder close rib (U rib) when welding, adopt PMKD's welding mode more, fix simpler to the steel sheet in this welding mode, mostly directly die its fixing clip in steel sheet both sides. This fixed knot constructs can't be used for portable welded platform, can't carry out effective transverse orientation and press from both sides tightly to the welding of the U floor unit that the steel sheet removed.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model provides a be used for U floor unit welded steel sheet transverse clamping device can realize steel sheet transverse orientation and press from both sides tightly, can also satisfy the welding of steel sheet on welded platform under fixed and longitudinal movement two kinds of states simultaneously.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

the utility model provides a be used for U floor unit welded steel sheet transverse clamping device, steel sheet transverse clamping device includes clamping mechanism, the last bayonet structure that has of clamping mechanism, the bayonet structure has the barb, the barb is used for the steel sheet to transversely block spacingly.

Specifically, the barb includes inclined plane and last plane, it is the horizontal plane to go up the plane, the contained angle between inclined plane and the last plane is the acute angle.

Specifically, an included angle K between the inclined surface and the upper plane is 30-60 degrees.

Specifically, the vertical height of the inclined surface is greater than the thickness of the steel plate.

Specifically, the clamping mechanism comprises a connecting arm, and the bayonet structure is located at the bottom end of the connecting arm.

Specifically, the steel plate transverse clamping device further comprises a power device and a transmission device, the power device is connected with the transmission device, the transmission device is connected with a clamping mechanism, and the clamping mechanism can move under the driving of the power device.

Specifically, the steel plate transverse clamping device comprises a fixing support, the fixing support is provided with a rectangular frame structure, the rectangular frame structure comprises an upper cross beam and a lower cross beam, sliding rails are arranged on the upper cross beam and the lower cross beam, and the connecting arm is connected with the sliding rails through a sliding block.

Specifically, the transmission device comprises a ball screw transmission mechanism and a belt wheel transmission mechanism; the ball screw transmission mechanism is arranged between the upper cross beam and the lower cross beam and is connected with the sliding block; the belt wheel transmission mechanism is connected with the power device and the ball screw transmission mechanism.

Specifically, power device includes motor and speed reducer, motor and speed reducer setting are in the top of the rectangle frame structure of fixed bolster, band pulley drive mechanism sets up the side at rectangle frame structure.

Specifically, the steel plate transverse clamping device comprises a first steel plate transverse clamping device and a second steel plate transverse clamping device, and the first steel plate transverse clamping device and the second steel plate transverse clamping device are respectively arranged at the positions of two sides of the steel plate.

Compared with the prior art, the beneficial effects of the utility model reside in that: through setting up the bayonet socket structure, what can be better blocks the steel sheet to can realize the lapse to the steel sheet, be applicable to fixed and removal welded platform. The motor and the speed reducer are arranged above the rectangular frame structure of the fixed support, and the belt wheel transmission mechanism is arranged on the side edge of the rectangular frame structure. The ball screw rod transmission mechanism and the belt wheel transmission mechanism are adopted, so that the transmission is stable and reliable, and the positioning is accurate. A ball screw transmission mechanism is arranged between the upper cross beam and the lower cross beam. The structure sets up ingeniously, practices thrift the space, and transmission stability is good.

Drawings

Fig. 1 is a schematic view of a welding structure of the U rib plate unit.

Fig. 2 is a schematic view of an embodiment of the present lateral steel plate clamping apparatus clamping a steel plate.

Fig. 3 is a front view of an embodiment of the steel plate lateral clamping device of the present invention.

Fig. 4 is a perspective view of an embodiment of the steel plate lateral clamping device of the present invention.

Fig. 5 is a schematic view of an embodiment of a bayonet structure according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. The interpretation of such words should be made at the discretion of the person skilled in the art.

In the present invention, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are used in a broad sense to refer to those skilled in the art, and for example, "connected" may be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1, it is a schematic view of a welding structure of the U rib plate unit. The U-rib plate unit includes a steel plate 1 and a U-rib 2. Each U rib plate unit is formed by welding a plurality of U ribs and steel plates, a long and narrow cavity is formed between the steel plates 1 and the U ribs 2, and longitudinal welding seams are formed at the joint parts of the steel plates and the U ribs. In actual use as a deck slab, the steel plate 1 faces upward and the U-rib 2 faces downward. The steel plate 1 is structural steel, the thickness B1 of the steel plate is more than or equal to 12mm, the longitudinal length of the steel plate can reach 16m, and the transverse width of the steel plate can reach 6 m. When the inner and outer corner seams of the lower corners of the two sides of the U-shaped rib are welded, the steel plate needs to be positioned. Particularly, on a movable welding platform, the steel plate is welded while moving, and the transverse positioning and clamping of the steel plate are also extremely important.

Fig. 2 is a schematic view illustrating an embodiment of the steel plate lateral clamping device of the present invention clamping a steel plate. The U rib plate unit is placed on the welding platform 3, and the steel plate transverse clamping device 1000 is arranged on the moving frame or the portal frame 4. The lateral steel plate clamping device 1000 includes a first lateral steel plate clamping device 1001 and a second lateral steel plate clamping device 1002. The first steel plate transverse clamping device and the second steel plate transverse clamping device are symmetrically arranged at the two sides of the steel plate 1 respectively. After the steel plate enters the welding platform, the steel plate transverse clamping device is started to clamp the steel plate transversely. Preferably, the first steel plate lateral direction clamping means 1001 and the second steel plate lateral direction clamping means 1002 are provided on both sides of one end of the steel plate in the longitudinal direction. The other end of the steel plate is not provided with a steel plate transverse clamping device, other transverse centering devices are arranged on the movable welding platform, the steel plate is transversely centered when the steel plate just enters the welding platform and/or in the moving process, the steel plate clamping device is arranged at the other end of the steel plate which is not provided with the transverse clamping device, the steel plate is directly clamped, and the steel plate is clamped and pushed and pulled to move.

As shown in fig. 3 and 4, which are schematic views of one embodiment of the lateral clamping device for steel plates. The steel plate transverse clamping device 1000 comprises a power device 101, a transmission device 102 and a clamping mechanism 103. The power device is connected with the transmission device, the transmission device is connected with the clamping mechanism, and the clamping mechanism can move under the driving of the power device, so that the steel plate is limited.

Specifically, the clamping mechanism 103 is provided with a bayonet structure, the bayonet structure is provided with a barb 1031, and the barb is used for transversely clamping and limiting the steel plate.

As shown in fig. 5, which is a schematic view of one embodiment of a bayonet structure. The barb 1031 includes an inclined surface 1032 and an upper flat surface 1033, the upper flat surface of the barb being a horizontal surface and the included angle between the inclined surface and the upper flat surface being an acute angle. Preferably, the angle between the inclined surface and the upper plane is 30-60 degrees. For better clamping of the steel plate, the vertical height of the inclined surface is greater than the thickness of the steel plate. Through setting up the bayonet socket structure, what can be better blocks the steel sheet to can realize the lapse to the steel sheet.

Specifically, the clamping mechanism 103 also has a connecting arm 1034 with a bayonet formation at the bottom end of the connecting arm. The steel plate lateral clamping device further comprises a fixing bracket 104 having a rectangular frame structure. The rectangular frame structure includes an upper beam 1041 and a lower beam 1042. The upper and lower beams have sliding rails 105 thereon, and the connecting arm is connected to the sliding rails 105 through a slider 106.

Specifically, the transmission 102 of the steel plate lateral clamping device 1000 includes a ball screw transmission 1021 and a pulley transmission 1022. The ball screw transmission mechanism is arranged between the upper cross beam and the lower cross beam. The ball screw drive 1021 is connected to the slider 106. The pulley transmission 1022 is connected to the power unit 101 and the ball screw transmission 1021. The power unit 101 includes a motor 1011 and a speed reducer 1012. The motor and the speed reducer are arranged above the rectangular frame structure of the fixed support, and the belt wheel transmission mechanism is arranged on the side edge of the rectangular frame structure. The ball screw rod transmission mechanism and the belt wheel transmission mechanism are adopted, so that the transmission is stable and reliable, and the positioning is accurate. A ball screw transmission mechanism is arranged between the upper cross beam and the lower cross beam. The structure sets up ingeniously, practices thrift the space, and transmission stability is good.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a be used for U floor unit welded steel sheet lateral clamping device which characterized in that: the steel plate transverse clamping device comprises a clamping mechanism, wherein a bayonet structure is arranged on the clamping mechanism, the bayonet structure is provided with a barb, and the barb is used for transversely clamping and limiting the steel plate; the clamping mechanism comprises a connecting arm, and the bayonet structure is located at the bottom end of the connecting arm.

2. The lateral steel plate clamping device as claimed in claim 1, wherein the barb comprises an inclined surface and an upper flat surface, the upper flat surface is a horizontal surface, and an included angle between the inclined surface and the upper flat surface is an acute angle.

3. The lateral steel plate clamping device according to claim 2, wherein the angle K between the inclined surface and the upper plane is 30-60 degrees.

4. The lateral steel plate clamping device according to claim 2, wherein the vertical height of the inclined surface is greater than the thickness of the steel plate.

5. The transverse steel plate clamping device according to claim 4, further comprising a power device and a transmission device, wherein the power device is connected with the transmission device, the transmission device is connected with a clamping mechanism, and the clamping mechanism can move under the drive of the power device.

6. The transverse steel plate clamping device as claimed in claim 5, wherein the transverse steel plate clamping device comprises a fixing support, the fixing support is provided with a rectangular frame structure, the rectangular frame structure comprises an upper cross beam and a lower cross beam, sliding rails are arranged on the upper cross beam and the lower cross beam, and the connecting arm is connected with the sliding rails through sliding blocks.

7. The transverse steel plate clamping device according to claim 6, wherein the transmission device comprises a ball screw transmission mechanism and a pulley transmission mechanism; the ball screw transmission mechanism is arranged between the upper cross beam and the lower cross beam and is connected with the sliding block; the belt wheel transmission mechanism is connected with the power device and the ball screw transmission mechanism.

8. The steel plate transverse clamping device according to claim 7, wherein the power device comprises a motor and a speed reducer, the motor and the speed reducer are arranged above the rectangular frame structure of the fixing support, and the belt wheel transmission mechanism is arranged on the side edge of the rectangular frame structure.

9. The transverse steel plate clamping device according to claim 1, wherein the transverse steel plate clamping device comprises a first transverse steel plate clamping device and a second transverse steel plate clamping device, and the first transverse steel plate clamping device and the second transverse steel plate clamping device are symmetrically arranged on two sides of the steel plate.