Integral type small box girder prestress tensioning support device

Abstract

The utility model relates to an integral type small box girder prestress tension support device, which belongs to the technical field of building equipment, and comprises a top frame, a bottom frame, a bottom frame, a top beam and a bottom beam, the supporting device comprises four supporting legs, and the supporting legs are fixed to the four corners of the rectangular frame body respectively; the sliding device is arranged on the top frame and comprises a transverse sliding device and a longitudinal sliding device; the transverse sliding device is fixed on the frame and is also connected with a longitudinal sliding device in a sliding manner, so that the longitudinal sliding device can transversely move along the transverse sliding device; the longitudinal sliding device is slidably connected with a lifting device, so that the lifting device can longitudinally move along the longitudinal sliding device, the problems that an existing tensioning support and baffle are low in stability and safety coefficient can be solved through the device, the device is simple and convenient in positioning process and high in positioning precision, and the tensioning operation efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to an integral small box girder prestressed tensioning support device. Background Technique

[0002] In the construction process of the small box girder prestressed tensioning process, a movable prestressed tensioning support is required for the small box girder prestressed tensioning operation. The efficiency of precisely adjusting the position of the jack is low, and the tensioning safety baffle has no fixed anchoring point. This results in a long duration for the tensioning process, thereby affecting the construction progress of the subsequent processes and prolonging the overall project duration; moreover, for the existing safety baffle, the bottom is unstable, the protection safety factor is small, and there are potential safety hazards. Summary of the Invention

[0003] The purpose of the utility model is to provide an integral small box girder prestressed tensioning support device aiming at the low efficiency of the above process flow and the small protection safety factor, so as to achieve the purpose of improving the tensioning operation efficiency and increasing the protection safety factor.

[0004] To achieve the above purpose, the technical solution of the utility model is:

[0005] An integral small box girder prestressed tensioning support device, comprising;

[0006] Top frame: The top frame is a rectangular frame;

[0007] Support device: The support device is four support legs, and the support legs are respectively fixed at the four corners of the rectangular frame;

[0008] Sliding device: The sliding device is arranged on the top frame, and the sliding device includes a transverse sliding device and a longitudinal sliding device;

[0009] Transverse sliding device: The transverse sliding device is fixed on the frame, and the transverse sliding device is also slidably connected with a longitudinal sliding device, so that the longitudinal sliding device can move horizontally along the transverse sliding device;

[0010] Longitudinal sliding device: The longitudinal sliding device is slidably connected with a lifting device, so that the lifting device can move longitudinally along the longitudinal sliding device.

[0011] Furthermore; the sliding device is composed of slide rails.

[0012] Furthermore: The transverse sliding device includes a first slide rail and a second slide rail, and the first slide rail and the second slide rail are respectively fixed on both sides of the top frame.

[0013] Further: The longitudinal sliding device is composed of a third slide rail, which is slidably connected to the first slide rail and the second slide rail, enabling the third slide rail to slide horizontally on the first slide rail and the second slide rail, and the first slide rail and the second slide rail are parallel to each other.

[0014] Further; The support legs are connected together by support rods to increase the stability of the support legs.

[0015] Preferably: The number of the support rods is three, so that the three sides of the support device can be surrounded by the support rods to meet the use requirements, and the remaining side is convenient for the staff to enter and check the equipment.

[0016] Further; Two first sliders respectively matching the first slide rail and the second slide rail are provided on the third slide rail, enabling the third slide rail to slide on the first slide rail and the second slide rail through the first sliders, and a second slider matching the third slide rail is provided at the top of the lifting device, enabling the lifting device to slide on the third slide rail.

[0017] Further, to facilitate the sliding of the sliders on the slide rails; The first slide rail, the second slide rail and the third slide rail are I-beams, and a number of pulleys contacting both sides of the slide rails are provided on the first slider and the second slider, enabling the sliders to move on the slide rails through the pulleys.

[0018] Preferably, locking devices can be provided on the pulleys of the sliders, enabling the pulleys to be locked as needed when the sliders slide to the designated positions.

[0019] Preferably, the lifting device is a small electric hoist.

[0020] Further, the device further includes a safety baffle, which is fixed on the side of the top frame where the first slide rail and the second slide rail are not installed.

[0021] Preferably, the safety baffle is a steel plate and the number thereof is one. Advantageous Effects

[0022] Compared with the prior art, the present utility model has the following outstanding advantageous effects:

[0023] 1. As an integral small box girder prestressed tensioning bracket, the present device can solve the problems of low stability and safety factor of the tensioning bracket and the baffle.

[0024] 2. The positioning process of the present device is simple and the positioning accuracy is high, which can greatly improve the tensioning operation efficiency. Brief Description of the Drawings

[0025] Figure 1 It is a schematic structural diagram of the present utility model.

[0026] Figure 2 This is the front view of the present utility model.

[0027] Figure 3 This is a schematic connection diagram of the lateral sliding device and the longitudinal sliding device of the present utility model.

[0028] Figure 4 This is a schematic connection diagram of the longitudinal sliding device and the lifting device of the present utility model.

[0029] In the figure: 1. Top frame, 2. Support leg, 3. Support rod, 4. First slide rail, 5. Second slide rail, 6. Third slide rail, 7. First slider, 71. Second slider, 8. Pulley, 9. Lifting device.

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Specific embodiments

[0031] To make the purpose, technical solutions and advantages of the present utility model clearer, the following will describe the technical solutions of the present utility model in detail. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other implementation manners obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present utility model.

[0032] Embodiment 1. An integral small box girder prestressed tensioning support device, including;

[0033] Top frame 1: The top frame 1 is a rectangular frame body welded by 80*80*5.0 galvanized square tubes with a transverse length of 3.5 meters and a longitudinal length of 2.5 meters;

[0034] Support device: The support device is four galvanized square tubes with a length of 3.2 meters and a specification of 80*80*5.0 as support legs 2. The support legs 2 are respectively fixed at the four corners of the rectangular frame body by welding. The support legs 2 are connected together by support rods 3. The number of support rods 3 is three, so that three sides of the support device can be surrounded by the support rods 3 to meet the use requirements, and the remaining side can facilitate the staff to enter and check the equipment;

[0035] Sliding device: The sliding device is arranged on the top frame 1. The sliding device includes a lateral sliding device and a longitudinal sliding device;

[0036] Horizontal sliding device: The horizontal sliding device is fixed on the frame. The horizontal sliding device is also slidably connected with a vertical sliding device, so that the vertical sliding device can move horizontally along the horizontal sliding device. The horizontal sliding device includes a first slide rail 4 and a second slide rail 5. The first slide rail 4 and the second slide rail 5 are respectively welded and fixed on both sides of the top frame 1. The first slide rail 4 and the second slide rail 5 are parallel to each other;

[0037] Vertical sliding device: The vertical sliding device is composed of a third slide rail 6. The third slide rail 6 is slidably connected with the first slide rail 4 and the second slide rail 5, so that the third slide rail 6 can slide horizontally on the first slide rail 4 and the second slide rail 5. The vertical sliding device is slidably connected with a lifting device 9. The lifting device 9 is a small electric hoist, so that the lifting device 9 can move longitudinally along the vertical sliding device;

[0038] Wherein: The number of the first sliders 7 is two, which are respectively matched with the first slide rail 4 and the second slide rail 5. The lower parts of the two first sliders 7 are respectively fixedly connected to both ends of the third slide rail 6. The upper parts of the two first sliders 7 are respectively slidably connected with the first slide rail 4 and the second slide rail 5, so that the third slide rail 6 can slide on the first slide rail 4 and the second slide rail 5 through the first sliders 7. The top of the lifting device 9 is fixedly connected with a second slider 71 matched with the third slide rail 6, so that the lifting device 9 can slide on the third slide rail 6 through the second slider 71 for facilitating the sliding of the slider on the slide rail; The first slide rail 4, the second slide rail 5 and the third slide rail 6 are 10# I-beams, and a number of pulleys 8 in contact with both sides of the slide rail are provided on their sliders, so that the sliders can move on the slide rail through the pulleys 8.

[0039] In addition, as another option, the utility model also discloses the following technical solutions on the basis of the above embodiments;

[0040] 1. A locking device may be provided on the pulley 8 of the slider, so that the pulley 8 can be locked as needed when the slider slides to a specified position.

[0041] 2. The device further includes a safety baffle. The safety baffle is fixed on the side of the top frame 1 where the first slide rail 4 and the second slide rail 5 are not installed. The safety baffle is made of a 3.5m * 2m * 8mm steel plate, and the number of the safety baffles is one. The top of the baffle is connected to the lower horizontal square pipe of the frame, and the side is connected to the rear vertical square pipe of the frame.

[0042] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. An integral small box girder prestressed tensioning support device, characterized in that: include; Top frame: The top frame is a rectangular frame; Support device: The support device is four support legs, and the support legs are respectively fixed at the four corners of the rectangular frame; Sliding device: The sliding device is arranged on the top frame, and the sliding device includes a transverse sliding device and a longitudinal sliding device; Transverse sliding device: the transverse sliding device is fixed on the frame, and the transverse sliding device is also slidably connected to the longitudinal sliding device, so that the longitudinal sliding device can move laterally along the transverse sliding device; Longitudinal sliding device: The longitudinal sliding device is slidably connected to the lifting device, so that the lifting device can move longitudinally along the longitudinal sliding device.

2. The integral small box girder prestressed tensioning bracket device according to claim 1 is characterized in that: The sliding device consists of a slide rail.

3. The integral small box girder prestressed tensioning bracket device according to claim 2 is characterized in that: The transverse sliding device comprises a first sliding rail and a second sliding rail, and the first sliding rail and the second sliding rail are respectively fixed on two sides of the top frame.

4. The integral small box girder prestressed tensioning bracket device according to claim 3 is characterized in that: The longitudinal sliding device is composed of a third slide rail, and the third slide rail is slidably connected with the first slide rail and the second slide rail, so that the third slide rail can slide horizontally on the first slide rail and the second slide rail.

5. An integral small box girder prestressed tensioning support device according to any one of claims 1 to 4, characterized in that: The support legs are connected together by a support rod.

6. The integral small box girder prestressed tensioning bracket device according to claim 5 is characterized in that: The number of the support rods is three.

7. The integral small box girder prestressed tensioning bracket device according to claim 4 is characterized in that: The third slide rail is provided with two first sliding blocks respectively matching the first slide rail and the second slide rail, so that the third slide rail can slide on the first slide rail and the second slide rail through the sliding blocks, and the top of the lifting device is provided with a second sliding block matching the third slide rail, so that the lifting device can slide on the third slide rail.

8. The integral small box girder prestressed tensioning bracket device according to claim 7 is characterized in that: The first slide rail, the second slide rail and the third slide rail are I-beams, and the first slider and the second slider are provided with a plurality of pulleys in contact with both sides of the slide rails, so that the sliders can move on the slide rails through the pulleys.

9. The integral small box girder prestressed tensioning bracket device according to claim 5, characterized in that: The lifting device is a small electric hoist.

Images