Fixing device for truss arching

Abstract

The utility model discloses a fixing device for truss arching, and relates to the field of truss fixing devices.The fixing device for truss arching comprises a longitudinally-arranged base, two side overturning parts are symmetrically and rotationally installed at the two ends of the outer wall of one side of the base, and the side overturning parts are arranged in a long strip shape; a tensioning assembly is installed at the end, away from the base, of the side overturning part. According to the fixing device for truss arching, in the process of hoisting the truss and enabling the end of the truss to be close to a longitudinally-arranged steel structure, manual alignment is not needed, manual operation steps are reduced, then the danger coefficient of operation is reduced, after alignment, in manual welding or bolt connection work, it is not needed to keep alignment of the truss all the time manually, and the operation efficiency is improved. The operation steps are further reduced, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to truss fixing device field, especially for truss arching's fixing device. BACKGROUND

[0002] Some engineering ships or special transport ships, its loading and unloading platform needs to bear large engineering components or special goods. In this case, the truss support structure of arching can offset the deformation generated by the platform self weight and the weight of goods in advance, ensure the flatness of the platform in the loading and unloading process, and be beneficial to the smooth loading and unloading of goods and the normal operation of transport equipment.

[0003] When the transverse truss is connected with the longitudinal steel structure, the truss is lifted by the crane, the end of the truss is aligned and abuts on the longitudinal steel structure at the installation position of the truss lifting device, and then the truss is fixed with the longitudinal steel structure by manual alignment and subsequent welding or bolting. During the whole operation process, manual alignment and holding are needed to keep stable, the operation is complicated, the labor intensity is large, and especially in the manual alignment step during hoisting, the truss swings left and right with large amplitude, and the risk coefficient is large. SUMMARY

[0004] In order to make up for the deficiency of the prior art, the utility model aims at providing a fixing device for truss arching, which can assist in positioning and aligning the truss during hoisting and installation, and can tighten the truss and the longitudinal steel structure when connecting them.

[0005] In order to solve the problems in the prior art, the technical scheme of the utility model is as follows:

[0006] A fixing device for truss arching, comprising a longitudinal base, two side turnover parts are symmetrically rotatably installed at both ends of the outer wall of one side of the base, the side turnover parts are in long strip shape, and a tensioning assembly is installed at the end of the side turnover part away from the base.

[0007] An inner support clamp is installed on the side of the base away from the side turnover part, and the inner support clamp abuts on the inner wall of the transverse truss to fix the base plate at the end of the truss. After the two side turnover parts are turned and attached to the outer wall of the longitudinal steel member, the tensioning assembly works to pull the base and the longitudinal steel member.

[0008] Preferably, the side turnover part comprises a side baffle rotatably connected with the base through a shaft pin, connecting strips are symmetrically fixed at both sides of the end of the side baffle close to the base, a first electric push rod is rotatably installed at the end of the two connecting strips away from the side baffle, and the end of the first electric push rod away from the connecting strip is rotatably connected with the outer wall of the base through a shaft pin.

[0009] Preferably, the tensioning assembly comprises a sliding block slidingly installed in a sliding groove in the middle of the side plate away from the base, a pull rod is fixed to the side of the sliding block close to the area between the two side plates, the side of the sliding block away from the pull rod is connected to the extension end of the second electric push rod, the second electric push rod is fixed to the outer wall of the side plate away from the pull rod, and the length direction of the first electric push rod is the same as the sliding direction of the sliding block.

[0010] Preferably, the sliding groove comprises a convex rib symmetrically formed on the inner wall of the opposite two sides, the length direction of the convex rib is the same as the length direction of the sliding groove, and the top surface and the bottom surface of the sliding block are provided with opposite embedding grooves, and the convex rib is slidingly nested in the embedding grooves.

[0011] Preferably, the side plate is fixed with an end cover close to the sliding groove, and the end cover blocks the sliding groove.

[0012] Preferably, a plurality of weight-reducing grooves are symmetrically formed on the base and the side plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a base and two side plates are provided, and the base is fixed to the end of the truss, and the two side plates are arranged on the two sides of the end of the truss and are in an open state, and the funnel-shaped open space is formed between the two side plates. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0016] Fig. 2 It is the side turnover component schematic diagram of the utility model.

[0017] Fig. 3 It is the convex rib structure schematic diagram of the utility model.

[0018] Fig. 4 It is the second working state schematic diagram of the utility model.

[0019] Fig. 1 is a base; 2 is a side overturning part; 201 is a side baffle; 2011 is a sliding groove; 202 is a connecting strip; 203 is a first electric push rod; 3 is a tensioning assembly; 301 is a sliding block; 302 is a pull rod; 303 is a second electric push rod; 4 is an inner support clamp; 5 is a convex rib; 6 is an embedding groove; 7 is an end cover; 8 is a weight-reducing groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Please refer to Figs. 1 to 4 The embodiment provides a fixing device for truss arching, which comprises a longitudinally arranged base 1, an inner support clamp 4 is arranged on the outer wall of one side of the base 1, the inner support clamp 4 abuts against the inner wall of the transversely arranged truss to fix the base plate at the end of the truss, when the base 1 is arranged on the inner side of the end of the truss, the inner support clamp 4 is operated, the linear power device on the inner support clamp 4 drives the two inner support strips on the inner support clamp 4 to move away from each other, the inner support abuts against the inner wall of the truss, so that the base 1 is connected to the truss, and the inner support clamp 4 is very mature, so it is not described here.

[0022] Two side baffles 201 are symmetrically and rotatably connected to the outer wall of the two ends of the side of the base 1 away from the inner support clamp 4, the two sides of the one end of the side baffle 201 close to the base 1 are symmetrically fixed with connecting strips 202, the two connecting strips 202 are rotatably installed with first electric push rods 203 at the ends away from the side baffle 201, and the one end of the first electric push rod 203 away from the connecting strip 202 is rotatably connected to the outer wall of the base 1 through a shaft pin.

[0023] The sliding block 301 is slidably installed in the sliding groove 2011 in the middle of the one end of the side baffle 201 away from the base 1, the sliding groove 2011 comprises convex ribs 5 symmetrically formed on the inner walls of the opposite two sides, the length direction of the convex rib 5 is the same as the length direction of the sliding groove 2011, the top surface and the bottom surface of the sliding block 301 are provided with embedding grooves 6 facing each other, the convex rib 5 is slidably nested in the embedding groove 6, so that the sliding block 301 cannot slide out of the sliding groove 2011 from the side, the sliding block 301 is stably connected with the side baffle 201 in sliding mode, and the end cover 7 for blocking the sliding groove 2011 is fixed to the one end of the side baffle 201 close to the sliding groove 2011, and the end cover 7 can block the sliding groove 2011.

[0024] The pull rod 302 is fixed on one side of the sliding block 301 close to the area between the two side plates 201, and the extension end of the second electric push rod 303 is connected to the side of the sliding block 301 away from the pull rod 302, and the second electric push rod 303 is fixed on the outer wall of the side plate 201 away from the pull rod 302, and the length direction of the first electric push rod 203 is the same as the sliding direction of the sliding block 301.

[0025] By driving the second electric push rod 303 to retract, the sliding block 301 can be slid to drive the pull rod 302 to slide towards the side close to the base 1, and the tensioning work is realized.

[0026] The base 1 and the side plate 201 are symmetrically provided with a plurality of weight reduction grooves 8, which reduces the weight of the entire structure.

[0027] The entire component has two working states:

[0028] The first working state is that when the base 1 is installed on the truss, the hoisting equipment hoists the truss, and the truss is aligned with the longitudinally arranged steel structure, at this time, the first electric push rod 203 works to ensure that the two side plates 201 are turned over to be open, and a funnel-shaped area is formed between the two side plates 201, which gradually narrows from the side away from the base 1 to the side close to the base 1. Such a structure allows the crane operator to slowly operate the crane, so that the end of the truss is close to the longitudinally arranged steel structure, and at the end of the close, the two side plates 201 on both sides can guide the end of the truss to ensure that the end of the truss is accurately aligned with the longitudinally arranged steel structure.

[0029] The second working state is that when the position of the truss is hoisted and adjusted, the first electric push rod 203 is driven to work, so that the two side plates 201 are turned over to be perpendicular to the surface of the base 1, and the two side plates 201 are arranged in parallel. The two side plates 201 are both attached to the outer wall of the longitudinally arranged steel structure on the outside of the longitudinally arranged steel structure, and then the second electric push rod 303 is driven to retract, and the pull rod 302 tightens the longitudinally arranged steel structure, so that the base plate clamps the end of the truss, the end of the truss is close to the longitudinally arranged steel structure and is tight. In this way, the pre-positioning work of the truss is completed, and then welding or bolt connection work can be carried out.

[0030] In summary, the utility model hoists the truss, so that the end of the truss is close to the longitudinally arranged steel structure without manual alignment, reduces the manual operation steps, and further reduces the risk coefficient of operation. After alignment, manual welding or bolt connection work is also not required to manually maintain the alignment of the truss, further reducing the operation steps and saving manpower.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixing device for arching trusses, comprising a longitudinally arranged base (1), characterized in that, Two side-flipping components (2) are symmetrically rotated and installed on both ends of the outer wall of one side of the base (1). The side-flipping components (2) are long strips, and a tensioning component (3) is installed at the end of the side-flipping components (2) away from the base (1). An inner support clamp (4) is installed on the side of the base (1) away from the side-flipping component (2). The inner support clamp (4) abuts against the inner wall of the horizontal truss to fix the base plate to the end of the truss. After the two side-flipping components (2) flip and fit against the outer wall of the vertical steel component, the tensioning component (3) works to pull the base (1) and the vertical steel component.

2. The fixing device for truss arching according to claim 1, characterized in that, The side-flipping component (2) includes a side baffle (201) rotatably connected to the base (1) via a shaft pin. Connecting strips (202) are symmetrically fixed on both sides of the side baffle (201) near the base (1). A first electric push rod (203) is rotatably installed on the end of the two connecting strips (202) away from the side baffle (201). The end of the first electric push rod (203) away from the connecting strip (202) is rotatably connected to the outer wall of the base (1) via a shaft pin.

3. The fixing device for truss arching according to claim 2, characterized in that, The tensioning assembly (3) includes a sliding block (301) slidably installed in a groove (2011) at the middle of the side baffle (201) away from the base (1). A pull rod (302) is fixed on one side of the sliding block (301) near the area between the two side baffles (201). The side of the sliding block (301) away from the pull rod (302) is connected to the extended end of the second electric push rod (303). The second electric push rod (303) is fixed on the outer wall of the side baffle (201) away from the pull rod (302), and the length direction of the first electric push rod (203) is the same as the sliding direction of the sliding block (301).

4. The fixing device for truss arching according to claim 3, characterized in that, The slide (2011) includes symmetrically formed protruding ribs (5) on its opposite inner walls. The length direction of the protruding ribs (5) is the same as the length direction of the slide (2011). The top and bottom surfaces of the sliding block (301) are provided with opposing grooves (6). The protruding ribs (5) are slidably nested in the grooves (6).

5. The fixing device for truss arching according to claim 3, characterized in that, The side baffle (201) is fixed with an end cap (7) that seals the slide (2011) at one end near the slide (2011).

6. The fixing device for truss arching according to claim 2, characterized in that, Several weight-reducing grooves (8) are symmetrically provided on the base (1) and the side baffle (201).

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