Recyclable device for ultrahigh adjustment and temporary fixation of pc track beam

Abstract

The utility model discloses a recoverable device for ultrahigh adjustment and temporary fixation of a pc track beam. The device is mainly composed of a jack (3), an H-shaped steel support (4), a square steel corbel (5), a limiting screw rod (6), channel steel (7), a steel base plate (8), a nut (9), an embedded steel pin cap (10), a base steel plate (11), a rotating plate (12), a pin (13), a bolt (14) and an embedded steel plate (15). The temporary fixing device is characterized in that channel steel (7) and a square steel corbel (5) are welded to form a corbel, a base steel plate (11) and an H-shaped steel support (4) form a supporting device, two rotating plates (12) and a pin (13) form a rotating hinge, the corbel is connected with the supporting device through the rotating hinge, a bolt (14) and a nut (9), meanwhile, the supporting device is connected with a pre-embedded steel plate (15) pre-embedded in a cover beam through the bolt (14), and then the temporary fixing device can be formed. The pc track beam (1) and the embedded steel pin cap (10) are slowly hoisted, the embedded steel pin cap (10) falls into the channel steel (7) on the corbel, and the pc track beam (1) is fastened on the temporary fixing device through the limiting screw (6) and the nut (9). The jack (3) is arranged below the square steel corbel (5), and the superelevation adjustment can be completed through the adjustment of the jack (3). The temporary fixing device has the advantages that the superelevation of the pc track beam (1) can be accurately adjusted, the construction precision is improved, the construction safety is high, the temporary fixing device can be repeatedly used, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of superhigh adjustment and temporarily fixed recyclable device of pc track beam, belong to beam body superhigh adjustment and temporarily fixed device in precast track beam installation construction process. BACKGROUND

[0002] Light rail is favored by more and more cities due to its economy and other factors, but in actual construction process, the installation, adjustment and fixing technology of track beam is not very mature. Unlike ordinary subway and railway, light rail uses track beam as track, which cannot be adjusted after construction is completed, so it requires extremely high erection accuracy, especially for track beam with superhigh, which is more difficult to construct. After track beam alignment and elevation adjustment are in place, post-pouring belt can be poured, and during this period, temporary fixing is needed to ensure beam stability. Traditional fixing device has low stability and cannot be adjusted in superhigh, cannot be recycled, and needs to be poured in post-pouring belt, so a recyclable device for superhigh adjustment and temporary fixing of pc track beam is needed. SUMMARY

[0003] The utility model relates to a kind of superhigh adjustment and temporarily fixed recyclable device of pc track beam, belong to track beam's superhigh adjustment and temporarily fixed device in installation construction process. Through the device, superhigh adjustment can be realized on one hand, and temporary fixing of track beam before and after adjustment can be realized on the other hand, which ensures construction accuracy and safety, improves construction efficiency, avoids the influence of various adverse factors on beam stability, and the device is made of common materials and is simple to manufacture, which can be recycled, saves construction cost and is suitable for promotion.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a recyclable device for superhigh adjustment and temporary fixing of pc track beam, the device mainly comprises a jack, an H-shaped steel support, a square steel supporting arm, a limiting screw, a channel steel, a steel backing plate, a nut, a pre-buried steel pin cap, a base steel plate, a rotating plate, a pin, a bolt and a pre-buried steel plate.

[0005] The recyclable device for superhigh adjustment and temporary fixing of pc track beam, the H-shaped steel support, the square steel supporting arm, the channel steel, the steel backing plate, the pre-buried steel pin cap, the steel plate, the rotating plate and the pre-buried steel plate are all composed of high-strength alloy steel plates with a thickness of 1-4 cm.

[0006] The recyclable device for superhigh adjustment and temporary fixing of pc track beam, the pre-buried steel plate needs to be pre-punched and threaded, and welded with the cap beam reinforcement.

[0007] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0008] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0009] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0010] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0011] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0012] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0013] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0014] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0015] The superhigh adjustment and temporary fixing recyclable device of the PC track beam is characterized in that the support device is composed of a base steel plate and an H-shaped steel support, the base steel plate needs to be pre-punched, the hole position is aligned with the hole position of the embedded steel plate, and the H-shaped steel support needs to be pre-punched to facilitate the penetration of the bolt, the hole position is as dense as possible to meet the bearing capacity requirement and reduce the superhigh adjustment error.

[0016] The utility model discloses, the jack is placed below the supporting arm, is used for adjusting track beam superhigh, and the bolt and nut connection between H type steel support and rotating plate is loosened before superhigh adjustment, and after the superhigh adjustment of using jack is finished, H type steel support and rotating plate are connected with bolt and nut again.In the track beam adjustment is finished below its concrete pier, and the bolt between the bottom support and the embedded steel plate is loosened after the pier reaches the strength, and the temporary fixing device is recycled, and the post-pouring belt is poured.

[0017] The utility model has the beneficial effect that:

[0018] The utility model relates to a kind of superhigh adjustment and the recoverable device of temporary fixation of pc track beam, which is installed in bent cap and track beam beam end, not only can adjust track beam superhigh, and precision is higher.The device can temporarily fix track beam, avoid the influence of adverse load such as vibration, strong wind on beam body safety and precision by adverse factors.Compared with the traditional crane to adjust superhigh, the device has higher adjustment precision, compared with the traditional limiting device, the device has good stability, can be recycled, save cost, combine two functions into one device, can simplify construction process, improve construction efficiency.The device has been used in actual project, and good effect is obtained, and manufacturing material is simple and common, easy to popularize and apply. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the general view of superhigh adjustment and temporary fixing device;

[0020] Figure 2 It is front view of superhigh adjustment and temporary fixing device;

[0021] Figure 3 It is the plan view of superhigh adjustment and temporary fixing device;

[0022] Figure 4 It is the side view of superhigh adjustment and temporary fixing device;

[0023] Figure 5 It is the local enlarged schematic view of A;

[0024] Figure 6 It is the local enlarged schematic view of B;

[0025] Figure 7 It is the local enlarged schematic view of C;

[0026] Figure 8 It is the local enlarged schematic view of D;

[0027] Figure 9 It is the local enlarged schematic view of E;

[0028] Figure 10 It is the three-dimensional view of rotating hinge.

[0029] Figure 11 is the side view of the rotating hinge;

[0030] Figure 12 is the top view of the rotating hinge;

[0031] Figure 13 is the front view of the square steel support arm 5;

[0032] Figure 14 is the side view of the square steel support arm 5;

[0033] Figure 15 is the front view of the support device;

[0034] Figure 16 is the top view of the support device;

[0035] Figure 17 is the top view of the embedded steel plate 15.

[0036] In the drawings, 1 is a pier cap beam; 2 is a track beam; 3 is a jack; 4 is an H-shaped steel support; 5 is a square steel support arm; 6 is a limiting screw; 7 is a channel steel; 8 is a steel pad; 9 is a nut; 10 is an embedded steel pin cap; 11 is a base steel plate; 12 is a rotating plate; 13 is a pin; 14 is a bolt; and 15 is an embedded steel plate. DETAILED DESCRIPTION

[0037] In order to have a deeper understanding of the technical features, purposes and effects of the present application, the specific embodiments of the present application will be described with reference to the drawings.

[0038] Please refer to the drawings, in the example of the present application, a super-high adjustment and temporary fixing recyclable device of a pc track beam, comprising a jack 3, an H-shaped steel support 4, a square steel support arm 5, a limiting screw 6, a channel steel 7, a steel pad 8, a nut 9, an embedded steel pin cap 10, a base steel plate 11, a rotating plate 12, a pin 13, a bolt 14 and an embedded steel plate 15. The temporary fixing device exists before the pier at the beam bottom reaches the strength.

[0039] The specific implementation includes the following steps:

[0040] A. When the prefabricated track beam 2 is welded and poured with the embedded steel pin cap 10 and the steel reinforcement in the beam; the embedded steel plate 15 is welded with the steel reinforcement of the cap beam 1;

[0041] B. The channel steel 7 and the square steel support arm 5 are welded to form a support arm;

[0042] C. The base steel plate 11 and the H-shaped steel support 4 form a support device;

[0043] D. Two rotating plates 12 and a pin 13 form a rotating hinge, and the support arm and the support device are connected through a bolt and a nut;

[0044] E The crane lifts the track beam 2, the embedded steel pin cap 10 on the track beam 2 slowly falls into the groove of the channel steel 7 on the support arm, and after the beam is lowered, the limiting screw 6, the steel pad 8 and the nut 9 are fastened, and the superhigh adjustment is waited for;

[0045] F Before the superhigh adjustment, the bolt 14 and the nut 9 connection between the H-shaped steel support 4 and the rotating plate 12 are loosened, the jack 3 is used to adjust the superhigh, after the adjustment is completed, the H-shaped steel support 4 and the rotating plate 12 are connected again by the bolt 14 and the nut 9, and the track beam 2 is re-fixed;

[0046] G After the track beam is adjusted, the concrete support pier is poured below the track beam, after the support pier reaches the strength, the bolt 14 between the base steel plate 11 and the embedded steel plate 15 is loosened, the temporary fixing device is recycled, and the post-poured belt is poured.

[0047] In the implementation process, the superhigh adjustment and the recyclable temporary fixing device of the track beam can not only adjust the superhigh of the track beam, but also have high precision. The device can temporarily fix the track beam, avoid the influence of unfavorable loads such as vibration and strong wind on the safety and precision of the beam body, combine two functions into one device, simplify the construction process, and improve the construction efficiency. The device has been used in actual projects, good results have been achieved, the manufacturing materials are simple and common, and the device is convenient to popularize and apply.

[0048] Any modification, equivalent replacement, improvement and the like made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A recyclable device for adjusting the height of a PC track beam and for temporary fixing, the device mainly consisting of a jack (3), an H-beam support (4), a square steel support arm (5), a limiting screw (6), a channel steel (7), a steel pad (8), a nut (9), a pre-embedded steel pin cap (10), a base steel plate (11), a rotating plate (12), a pin (13), a bolt (14), and a pre-embedded steel plate (15), characterized in that... The channel steel (7) and the square steel support arm (5) are welded together to form the support arm. The base steel plate (11) and the H-shaped steel support (4) form the support device. The two rotating plates (12) and the pins (13) form the rotating hinge. The support arm and the support device are connected by the rotating hinge, bolts (14) and nuts (9). At the same time, the support device is connected to the pre-embedded steel plate (15) that has been pre-embedded in the cap beam by bolts (14) to form a temporary fixing device. The jack (3) is placed under the square steel support arm (5). The height adjustment can be completed by adjusting the jack (3).

2. The recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The H-beam support (4), square steel bracket (5), channel steel (7), steel pad (8), embedded steel pin cap (10), base steel plate (11), rotating plate (12), and embedded steel plate (15) are all composed of high-strength alloy steel plates with a thickness of 1-4cm.

3. The recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The base steel plate (11) has holes pre-drilled at the four corners to facilitate the insertion of bolts, and is welded to the H-beam support (4).

4. The recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The four corners of the embedded steel plate (15) are pre-drilled, and the hole positions should be aligned with the hole positions of the base steel plate (11). At the same time, the holes are threaded. When the cap beam (1) is constructed, the embedded steel plate (15) should be welded to its skeleton reinforcement.

5. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, Holes are pre-drilled on the H-beam support (4) to facilitate bolt insertion. The holes are densified as much as possible while meeting the load-bearing requirements to reduce the error of the height adjustment.

6. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The rotating plate (12) is composed of a circular steel sleeve and a steel plate welded together. The thickness and width of the steel plate are consistent with the inner dimensions of the square steel support arm (5) to facilitate tight connection. The rotating plate (12) should be pre-drilled with 4 holes, and the hole positions should be aligned with the hole positions on the H-beam support (4).

7. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, Two rotating plates (12) and a pin (13) form a rotating hinge.

8. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, Holes are pre-drilled on both sides of the square steel support arm (5) to facilitate the insertion of bolts. The hole positions should be consistent with the hole positions on the H-beam support (4).

9. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The square steel support arm (5) is welded to the channel steel (7).

10. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The limiting screw (6) can be made of plain round steel bar. The plain round steel bar is bent along the outside of the channel steel (7) and threaded at both ends to facilitate connection with the nut (9).

11. A recyclable device for adjusting the superelevation and temporarily fixing a PC track beam according to claim 1, characterized in that, The embedded steel pin cap (10) is fastened to the temporary fixing device by the steel pad (8), nut (9) and limit screw (6).

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