An adjustable fixing device for plate arch foot

Abstract

The present invention discloses an adjustable fixing device for a plate arch foot, belonging to the technical field of fixed support devices. The adjustable fixing device for the plate arch foot comprises: a crossbeam, two bases and two fixed structures, a plurality of through holes are arranged at both ends of the crossbeam along its length direction; the two bases correspond to the two ends of the crossbeam respectively, each base is connected to the through hole by a fastener, and a vertical first ear plate is fixedly arranged on the top surface of the base; the two fixed structures are respectively used to fix the two arch feet of the plate arch, each fixed structure comprises a fixing clamp and a second ear plate, the fixing clamp clamps the arch foot of the plate arch, the fixing clamp is fixedly connected to the second ear plate, and the second ear plate is rotatably connected to the first ear plate by a pin shaft. The adjustable fixing device for the plate arch foot can quickly and accurately determine the spatial position of the plate arch foot, meet the requirements of different spans of the plate arch, and improve the work efficiency of the plate arch installation. The adjustable fixing device for the plate arch foot has strong versatility, is easy to use, has high installation efficiency, and saves installation manpower.

Description

Technical Field

[0001] The invention relates to the technical field of fixed support devices, and in particular to an adjustable fixing device for a plate arch foot. Background Art

[0002] Existing prefabricated plate arches are often used in places such as pressure vessels and aquarium passages to form arc-shaped structures that can withstand large loads. Due to the large size of such engineering structures (prefabricated plate arches), they need to be prefabricated into components in the factory, and then transported to the site and spliced ​​and installed as a whole;

[0003] At present, when prefabricated slab arches are installed, the arch feet are first fixed. The precise positioning of the arch feet is related to the position coordinates of the entire slab arch. Since it is difficult to accurately position the arch feet in one go during the installation process, it takes a lot of time and manpower, and the machine is used for repeated adjustments. The accuracy error after adjustment is large. Now, a simple device is usually used for auxiliary positioning, but its structure is relatively fixed and cannot be applied to slab arches of different spans, and its versatility is poor. Summary of the invention

[0004] The purpose of the present invention is to overcome the problem that it is difficult to accurately position the arch foot in one go during the installation process, which requires a lot of time and manpower, and the machine is used for repeated adjustments, and the accuracy error after adjustment is large. A simple device is usually used for auxiliary positioning, but its structure is relatively fixed and cannot be applied to plate arches of different spans. It has poor versatility and increases the economic burden. An adjustable fixing device for the arch foot of a plate arch is provided.

[0005] The present invention provides an adjustable fixing device for the arch foot of a plate arch, comprising: a crossbeam, two bases and two fixing structures, wherein a plurality of through holes are provided at both ends of the crossbeam along the length direction thereof; the two bases respectively correspond to the two ends of the crossbeam, each base is connected to the through hole through a fastener, and a vertical first ear plate is fixedly provided on the top surface of the base; the two fixing structures are respectively used to fix the two arch feet of the plate arch, each fixing structure comprises a fixing clamp and a second ear plate, the fixing clamp clamps the arch foot of the plate arch, the fixing clamp is fixedly connected to the second ear plate, the second ear plate is parallel to the first ear plate, and the second ear plate is rotatably connected to the first ear plate in a vertical plane through a pin shaft.

[0006] Preferably, the fastener comprises a stud and a nut, the end of the stud passes through the bolt hole on the base and the through hole on the beam in sequence, and the stud is threadedly connected to the nut.

[0007] Preferably, the fixing clamp includes an outer clamping plate, an inner clamping plate and multiple groups of bolts, the outer clamping plate is fixedly connected to the second ear plate, the left and right sides of the outer clamping plate and the inner clamping plate are fixedly connected by bolts, and the middle part of the outer clamping plate and the inner clamping plate is used to fix the arch foot of the clamping plate arch.

[0008] Preferably, rubber pads are tightly attached to the inner and outer sides of the arch foot of the plate arch, a pad is provided between the rubber pad and the outer clamp, a plurality of first screws are threadedly connected to the outer clamp, and the ends of the first screws abut against the pad to clamp the arch foot of the plate arch.

[0009] Preferably, the first ear plate and the second ear plate are both provided with arc holes around the pin shaft, and the arc holes on the first ear plate and the second ear plate can be fastened by a second screw.

[0010] Preferably, the inner clamping plate is fixedly connected to the second ear plate, and a U-shaped plate is provided between the ends of the outer clamping plate and the inner clamping plate, and the U-shaped plate is fixedly connected to the outer clamping plate and the inner clamping plate respectively by bolts.

[0011] Preferably, the crossbeam and the base are both I-beams.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the two arch feet of the plate arch are clamped by a fixing clamp, and then the two bases are moved to a suitable position for adjustment according to the different spans of the plate arch. After the adjustment is completed, each base can be fixedly connected to the through hole using a fastener. The adjustable fixing device of the plate arch foot can quickly and accurately determine the spatial position of the plate arch foot, meet the requirements of different spans of the plate arch, and improve the work efficiency of the plate arch installation. The adjustable fixing device of the plate arch foot has strong versatility, is simple to use, has high installation efficiency, and saves installation manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a first schematic diagram of the present invention;

[0014] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0015] Figure 3 for Figure 1 Front view at A in the middle;

[0016] Figure 4 is a first schematic diagram of the present invention;

[0017] Figure 5 for Figure 4 A partial enlarged view of point B in the middle.

[0018] Description of reference numerals:

[0019] 1. Beam, 2. Through hole, 3. Base, 4. First ear plate, 5. Plate arch, 6. Second ear plate, 7. Stud, 8. Nut, 9. Outer splint, 10. Inner splint, 11. Bolt, 12. Pad, 13. First screw rod, 14. Rubber pad, 15. Pin, 16. Arc hole, 17. Second screw rod, 18. U-shaped plate. DETAILED DESCRIPTION

[0020] The specific implementation of the present invention is described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific implementation. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] First embodiment

[0022] The present invention provides an adjustable fixing device for a plate arch foot, such as Figure 1-3 It includes: a crossbeam 1, two bases 3 and two fixed structures. Both ends of the crossbeam 1 are provided with a plurality of through holes 2 along the length direction thereof; the two bases 3 correspond to the two ends of the crossbeam 1 respectively, each base 3 is connected to the through hole 2 by a fastener, and a vertical first ear plate 4 is fixedly provided on the top surface of the base 3; the two fixed structures are respectively used to fix the two arch feet of the plate arch 5, each fixed structure includes a fixing clamp and a second ear plate 6, the fixing clamp clamps the arch feet of the plate arch 5, the fixing clamp is fixedly connected to the second ear plate 6, the second ear plate 6 is parallel to the first ear plate 4, and the second ear plate 6 is rotatably connected to the first ear plate 4 in a vertical plane by a pin shaft 15.

[0023] The two arch feet of the plate arch 5 are clamped by fixing clamps, and then the two bases 3 are moved to a suitable position for adjustment according to the different spans of the plate arch 5. After the adjustment is completed, each base 3 is fixedly connected to the through hole 2 using fasteners. The adjustable fixing device of the plate arch foot can quickly and accurately determine the spatial position of the plate arch foot, meet the requirements of different spans of the plate arch, and improve the work efficiency of the plate arch installation. The adjustable fixing device of the plate arch foot has strong versatility, is easy to use, has high installation efficiency, and saves installation manpower.

[0024] Preferably, if Figure 2-3 The fastener comprises a stud 7 and a nut 8 , the end of the stud 7 passes through the bolt hole on the base 3 and the through hole 2 on the beam 1 in sequence, and the stud 7 is threadedly connected to the nut 8 .

[0025] When moving the base 3, the stud 7 and the nut 8 are removed. After the base 3 is moved to the correct position, the end of the stud 7 passes through the bolt hole on the base 3 and the through hole 2 on the beam 1 in sequence, and the nut 8 is tightened.

[0026] Preferably, if Figure 2-3 The fixing clamp includes an outer clamp plate 9, an inner clamp plate 10 and multiple groups of bolts 11. The outer clamp plate 9 is fixedly connected to the second ear plate 6. The left and right sides of the outer clamp plate 9 and the inner clamp plate 10 are fixedly connected by bolts 11. The middle part of the outer clamp plate 9 and the inner clamp plate 10 is used to fix the arch foot of the clamping plate arch 5.

[0027] The arch foot of the plate arch 5 is inserted between the outer clamping plate 9 and the inner clamping plate 10 , and then fastened by bolts 11 , so that the outer clamping plate 9 and the inner clamping plate 10 clamp the arch foot of the plate arch 5 .

[0028] Preferably, if Figure 3 Rubber pads 14 are tightly attached to the inner and outer sides of the arch foot of the plate arch 5, and a pad 12 is arranged between the rubber pad 14 and the outer clamping plate 9. A plurality of first screws 13 are threadedly connected to the outer clamping plate 9, and the ends of the first screws 13 abut against the pad 12 for clamping the arch foot of the plate arch 5.

[0029] The pad 12 facilitates the uniform force on the auxiliary arch foot, avoids the phenomenon of brittle damage of the arch foot of the plate arch 5 caused by the direct action of the tightening first screw 13 on the arch foot of the plate arch 5, and improves the safety of use; the rubber pad 14 can avoid the hard contact between the outer plywood 9 and the inner plywood 10 and the arch foot of the plate arch 5 with smaller rigidity, which may cause brittle damage of the arch foot, and improves the safety of use; at the same time, the rubber pad 14 has strong plasticity, which is convenient for wrapping the arch foot more tightly, thereby ensuring the fixing effect of the arch foot and improving the reliability of use; the purpose of fixing the arch foot of the plate arch 5 can be achieved by tightening multiple first screws 13.

[0030] Preferably, the first ear plate 4 and the second ear plate 6 are both provided with arc holes 16 around the pin shaft 15 , and the arc holes 16 on the first ear plate 4 and the second ear plate 6 can be fastened by a second screw 17 .

[0031] The second ear plate 6 can adjust its inclination angle by rotating, and is suitable for arch feet of plate arches 5 with different inclination angles, thereby improving the application range of the device. After the angle is adjusted correctly, the second ear plate 6 can be prevented from deflecting again by tightening the second screw 17.

[0032] Second embodiment

[0033] The present invention provides an adjustable fixing device for a plate arch foot, such as Figure 1-5The invention comprises: a crossbeam 1, two bases 3 and two fixing structures, wherein a plurality of through holes 2 are arranged at both ends of the crossbeam 1 along its length direction; the two bases 3 correspond to the two ends of the crossbeam 1 respectively, and each base 3 is connected to the through hole 2 by a fastener, and a vertical first ear plate 4 is fixedly arranged on the top surface of the base 3; the two fixing structures are respectively used to fix two arch feet of the plate arch 5, and each fixing structure comprises a fixing clamp and a second ear plate 6, the fixing clamp clamps the arch foot of the plate arch 5, and the fixing clamp fixes and connects the second ear plate 6, and the second ear plate 6 is connected to the first ear plate The plates 4 are parallel, and the second ear plate 6 is rotatably connected to the first ear plate 4 in a vertical plane through a pin shaft 15; the fastener includes a stud 7 and a nut 8, the end of the stud 7 passes through the bolt hole on the base 3 and the through hole 2 on the crossbeam 1 in turn, and the stud 7 is threadedly connected to the nut 8; the inner clamping plate 10 is fixedly connected to the second ear plate 6, and a U-shaped plate 18 is provided between the ends of the outer clamping plate 9 and the inner clamping plate 10, and the U-shaped plate 18 is fixedly connected to the outer clamping plate 9 and the inner clamping plate 10 respectively through bolts 11.

[0034] Tighten the bolts 11, and the two arch feet of the plate arch 5 are both extended between the outer plywood 9 and the inner plywood 10. Then, by tightening a plurality of first screws 13, the outer plywood 9 and the inner plywood 10 clamp the arch foot of the plate arch 5. After clamping, the inner plywood 10 can adapt to the curvature of the arch foot of the plate arch 5, and the inclination angle of the inner plywood 10 is the same as the inclination angle of the arch foot of the plate arch 5. Move the two bases 3 to a suitable position for adjustment according to the different spans of the plate arch 5. After the adjustment is completed, use fasteners to fix each base 3 to the through hole 2. The adjustable fixing device of the plate arch foot can quickly and accurately determine the spatial position of the plate arch foot, meet the requirements of different spans of the plate arch, and improve the work efficiency of the plate arch installation. The adjustable fixing device of the plate arch foot has strong versatility, is easy to use, has high installation efficiency, and saves installation manpower.

[0035] Preferably, the crossbeam 1 and the base 3 are both I-beams.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable fixing device for a plate arch foot, characterized in that: include: A crossbeam (1) has a plurality of through holes (2) at both ends along the length direction thereof; Two bases (3) respectively correspond to the two ends of the crossbeam (1), each base (3) is connected to the through hole (2) via a fastener, and a vertical first ear plate (4) is fixedly provided on the top surface of the base (3); Two fixing structures, respectively used to fix two arch feet of the plate arch (5), each fixing structure comprises a fixing clamp and a second ear plate (6), the fixing clamp clamps the arch foot of the plate arch (5), the fixing clamp is fixedly connected to the second ear plate (6), the second ear plate (6) is parallel to the first ear plate (4), and the second ear plate (6) is rotatably connected to the first ear plate (4) in a vertical plane via a pin shaft (15); The fastener comprises a stud (7) and a nut (8), the end of the stud (7) passes through the bolt hole on the base (3) and the through hole (2) on the beam (1) in sequence, and the stud (7) is threadedly connected to the nut (8); The first ear plate (4) and the second ear plate (6) are both provided with arc holes (16) around the pin shaft (15), and the arc holes (16) on the first ear plate (4) and the second ear plate (6) can be fastened by a second screw rod (17); The fixing clamp comprises an outer clamping plate (9), an inner clamping plate (10) and a plurality of groups of bolts (11); the outer clamping plate (9) is fixedly connected to the second ear plate (6); the left and right sides of the outer clamping plate (9) and the inner clamping plate (10) are fixedly connected by bolts (11); the middle parts of the outer clamping plate (9) and the inner clamping plate (10) are used to fix the arch foot of the clamping plate arch (5); Alternatively, the inner clamping plate (10) is fixedly connected to the second ear plate (6), and a U-shaped plate (18) is provided between the ends of the outer clamping plate (9) and the inner clamping plate (10), and the U-shaped plate (18) is fixedly connected to the outer clamping plate (9) and the inner clamping plate (10) respectively by bolts (11).

2. The adjustable fixing device for the plate arch foot according to claim 1, characterized in that: When the outer clamping plate (9) is fixedly connected to the second ear plate (6), the inner and outer sides of the arch foot of the plate arch (5) are tightly attached with rubber pads (14), and a pad (12) is arranged between the rubber pad (14) and the outer clamping plate (9). A plurality of first screw rods (13) are threadedly connected to the outer clamping plate (9), and the ends of the first screw rods (13) abut against the pad (12) for clamping the arch foot of the plate arch (5).

3. The adjustable fixing device for the plate arch foot according to claim 1, characterized in that: The crossbeam (1) and the base (3) are both I-beams.

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