Prestress tensioning equipment in bridge construction

Abstract

The utility model relates to the field of bridge construction, and discloses prestress tensioning equipment in bridge construction, which comprises a tensioning machine, a winding disc is fixedly connected to the side wall of the right end of the tensioning machine, a sliding block is connected to the side wall of the right end of the tensioning machine in a sliding mode, and a limiting mechanism is arranged on the inner wall of the sliding block. And the side wall of the right end of the sliding block is fixedly connected with a connecting plate, and the inner wall of the connecting plate penetrates through and is in threaded connection with a threaded rod. According to the oil pipe fixing device, oil pipes can be placed in a centralized and regular mode through the winding discs, winding and knotting are avoided, fixing and unfixing of the oil pipes can be flexibly achieved, the whole connecting plate can be operated at the same time to enable the contact plate to fix the oil pipes on the two winding discs, and the threaded rod can be independently twisted to enable the contact plate to fix the oil pipes on one winding disc. The device is simple in structure and easy to operate, facilitates improvement of equipment arrangement efficiency, guarantees good states of oil pipes in use and idle, and ensures smooth transmission of hydraulic oil.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction, and in particular to a prestressing tensioning device used in bridge construction. Background Technology

[0002] In the field of bridge construction, prestressed tensioning equipment plays a crucial role. It is an important construction device that ensures that the bridge structure can obtain accurate prestress, thereby guaranteeing the bridge's load-bearing capacity, crack resistance, and other key mechanical properties. Prestressed tensioning equipment usually consists of multiple components. Among them, the oil pipe is used to transmit hydraulic oil and is an important link connecting the oil pump and key actuators such as jacks. The display panel undertakes important functions such as displaying equipment operating data and providing feedback on equipment status, allowing operators to monitor the construction situation in real time and take corresponding actions.

[0003] In existing technologies, for some prestressed tensioning equipment, the oil pipes are often simply placed around the equipment or hung on some temporary hooks without a dedicated storage device. After the equipment is idle for a period of time, the oil pipes are prone to getting tangled and knotted, and time has to be spent untangling them before they can be used again. This seriously affects the construction efficiency and the smoothness of hydraulic oil transmission. Therefore, a prestressed tensioning device for bridge construction is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a prestressed tensioning device for bridge construction, which aims to improve the problem of oil pipes being scattered and prone to knotting in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a prestressed tensioning device for bridge construction, comprising a tensioning machine, a winding disc fixedly connected to the right side wall of the tensioning machine, a slider slidably connected to the right side wall of the tensioning machine, a limit mechanism provided on the inner wall of the slider, a connecting plate fixedly connected to the right side wall of the slider, a threaded rod threadedly connected through the inner wall of the connecting plate, a contact plate rotatably connected to the bottom end of the threaded rod, a slot provided on the right side wall of the tensioning machine, a display panel provided at the top of the tensioning machine, a cover plate hinged to the inner side wall of the tensioning machine, and a cleaning component provided on the outer wall of the cover plate;

[0006] The limiting mechanism includes an insert block that passes through and is slidably connected to the inner wall of the slider. The right side wall of the insert block is elastically connected to the slider via a return spring.

[0007] As a further description of the above technical solution:

[0008] The cleaning assembly includes a hinged rod hinged to the outer wall of the cover plate, and a movable frame hinged to the end of the hinged rod away from the cover plate. A cleaning pad is detachably installed below the movable frame.

[0009] As a further description of the above technical solution:

[0010] The mobile frame is slidably connected to the top of the tensioning machine.

[0011] As a further description of the above technical solution:

[0012] The bottom of the cleaning pad is in contact with the surface of the display panel.

[0013] As a further description of the above technical solution:

[0014] The cleaning pad is made of microfiber material.

[0015] As a further description of the above technical solution:

[0016] The right sidewall of the insert block is fixedly connected to one end of the reset spring, and the other end of the reset spring is fixedly connected to the right inner wall of the slider.

[0017] As a further description of the above technical solution:

[0018] The insert is inserted into the inner wall of the slot.

[0019] As a further description of the above technical solution:

[0020] The threaded rod is provided in two sets, and the two sets of threaded rods are arranged symmetrically.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the oil pipes can be placed in a centralized and orderly manner by the winding disc, avoiding tangling and knotting. It can also flexibly fix and unfix the oil pipes. The entire connecting plate can be operated at the same time to fix the oil pipes on two winding discs by the contact plate, or the threaded rod can be turned individually to fix the oil pipe on one winding disc by the contact plate. The operation is simple, which helps to improve the equipment's organization efficiency, ensures that the oil pipes are in good condition when in use and when idle, and ensures smooth hydraulic oil transmission.

[0023] 2. In this utility model, the cleaning pad can be automatically cleaned by flipping the cover plate, effectively removing dust, fingerprints, etc., ensuring good observation effect every time it is used. At the same time, the cleaning pad is very easy to replace, and can be replaced by simply tearing it by hand, which helps to maintain the cleaning function and extend the service life of the display panel. Attached Figure Description

[0024] Figure 1This is a three-dimensional schematic diagram of a prestressed tensioning device for bridge construction proposed in this utility model;

[0025] Figure 2 This is a schematic diagram illustrating the connecting plate and threaded rod of a prestressed tensioning device for bridge construction proposed in this utility model;

[0026] Figure 3 This is a cross-sectional schematic diagram of the slider and connecting plate of a prestressed tensioning device in bridge construction proposed in this utility model;

[0027] Figure 4 This is a schematic diagram showing the slot of a prestressed tensioning device in bridge construction proposed in this utility model;

[0028] Figure 5 A schematic diagram showing the cover plate, hinge plate, and movable frame of a prestressed tensioning device for bridge construction proposed in this utility model;

[0029] Figure 6 This is an exploded view of the cleaning pad and moving frame of a prestressed tensioning device for bridge construction proposed in this utility model.

[0030] Legend:

[0031] 1. Tensioning machine; 2. Winding disc; 3. Slider; 4. Insert block; 5. Return spring; 6. Connecting plate; 7. Threaded rod; 8. Contact plate; 9. Slot; 10. Display panel; 11. Cover plate; 12. Hinge rod; 13. Moving frame; 14. Cleaning pad. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figures 1-3This utility model provides an embodiment of a prestressed tensioning device for bridge construction, comprising a tensioning machine 1. The tensioning device mainly consists of jacks, a control box, and oil pipes. Here, the tensioning machine 1 is the control box. The control box can receive signals from pressure gauges or pressure sensors and precisely control the working state of the oil pump according to the pre-set pressure value corresponding to the design required tension force. A winding disc 2 is fixedly connected to the right side wall of the tensioning machine 1. The winding disc 2 allows the oil pipes to be wound around its surface for easy centralized storage. A slider 3 is slidably connected to the right side wall of the tensioning machine 1. The inner wall of the slider 3 is provided with a limit mechanism. A connecting plate 6 is fixedly connected to the right side wall of the slider 3. The connecting plate 6 mainly supports and connects to the threaded rod 7. The inner wall of the connecting plate 6 is threaded through and connected to... The inner wall of the connecting plate 6 has a matching texture to the threaded rod 7, which allows the threaded rod 7 to move vertically. The bottom end of the threaded rod 7 is rotatably connected to a contact plate 8. The contact surface of the contact plate 8 and the oil pipe is made of rubber material, which can increase the friction with the oil pipe. The right side wall of the tensioning machine 1 has a slot 9. The shape of the slot 9 is the same as that of the insert block 4, which can allow the insert block 4 to be inserted into the slot 9. The top of the tensioning machine 1 is equipped with a display panel 10, which can display data, status feedback and warnings. The inner side wall of the tensioning machine 1 is hinged with a cover plate 11. When the cover plate 11 is closed, it can prevent external dust from adhering to the display panel 10. The cover plate 11 is existing technology and is opened or closed by a telescopic rod, which will not be described in detail here. The outer wall of the cover plate 11 is equipped with a cleaning component.

[0034] The limiting mechanism includes a plug 4, which is slidably connected to the inner wall of the slider 3. The slider 3 has a corresponding slot for the plug 4, which allows the plug 4 to move along the slot. The right side wall of the plug 4 is elastically connected to the slider 3 through a return spring 5.

[0035] Reference Figure 1 , Figure 5 and Figure 6The cleaning component includes a hinge rod 12, which is hinged to the outer wall of the cover plate 11. Since the length of the hinge rod 12 is fixed, when the cover plate 11 is flipped backward, the hinge rod 12 will move backward along with the moving frame 13. When the cover plate 11 is flipped forward, the hinge rod 12 will move forward along with the moving frame 13. The moving frame 13 is hinged to the end of the hinge rod 12 away from the cover plate 11. A cleaning pad 14 is detachably installed below the moving frame 13. The cleaning pad 14 and the moving frame 13 can be replaced by existing Velcro, which is relatively simple to operate. The moving frame 13 is slidably connected to the top of the tensioning machine 1. The bottom end of the cleaning pad 14 is in contact with the surface of the display panel 10. The cleaning pad 14 is made of microfiber material. Microfiber is usually made of polyester fiber and polyamide fiber through a special process. The fiber is extremely fine and has a large specific surface area. There are many micropores between the fibers, which can absorb a large amount of dust, oil and other impurities. Moreover, it is soft and will not scratch the surface of the display panel 10.

[0036] Reference Figures 2-4 The right side wall of the insert 4 is fixedly connected to one end of the return spring 5. When the insert 4 moves to the right, it will compress the return spring 5. When resetting, the elastic force of the return spring 5 will be used to reset the insert 4. The other end of the return spring 5 is fixedly connected to the right inner wall of the slider 3. The insert 4 is inserted into the inner wall of the slot 9. There are two sets of threaded rods 7, and the two sets of threaded rods 7 are symmetrically arranged.

[0037] Working principle: When storing and placing oil pipes, operators can orderly wind the oil pipes onto the surface of the winding reel 2, making the oil pipes neatly arranged for easy retrieval and reuse later, and preventing the oil pipes from tangling and knotting, which would affect the transmission of hydraulic oil. After winding, when it is necessary to fix the oil pipes wound on two winding reels 2 at the same time, the insert block 4 can be moved to the right and the return spring 5 can be compressed. The hand can be moved downwards to the connecting plate 6, which moves the threaded rod 7 and the contact plate 8, so that the contact plate 8 contacts the surface of the oil pipe. At this time, the insert block 4 is released, and the reverse elastic force of the return spring 5 is used to reset the insert block 4, allowing the insert block 4 to be inserted into the corresponding slot. The threaded rod 7 can be twisted separately to make the contact plate 8 fit more tightly. When releasing the fixation of the oil pipes on the two winding reels 2, simply follow the above steps to move the entire connecting plate 6 and the slider 3 upwards. If only the oil pipe on one winding reel 2 is fixed, the threaded rod 7 can be twisted separately to make the contact plate 8 contact the oil pipe downwards.

[0038] When the surface of the display panel 10 needs to be cleaned after the device is finished, simply flip the cover 11 backward, which will allow the hinge rod 12 to push the moving frame 13 to move the cleaning pad 14, allowing the cleaning pad 14 to clean the surface of the display panel 10 and prevent dust or fingerprints from affecting the viewing effect of the next use. The process of opening the cover 11 will also clean the surface of the display panel 10. When the cleaning pad 14 needs to be replaced, it can be separated from the moving frame 13 by hand.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A prestressing tensioning device in bridge construction, comprising a tensioning machine (1), characterized in that: The right side wall of the tensioning machine (1) is fixedly connected to a winding disc (2), and the right side wall of the tensioning machine (1) is slidably connected to a slider (3). The inner wall of the slider (3) is provided with a limit mechanism. The right side wall of the slider (3) is fixedly connected to a connecting plate (6). The inner wall of the connecting plate (6) is threaded through and threaded with a threaded rod (7). The bottom end of the threaded rod (7) is rotatably connected to a contact plate (8). The right side wall of the tensioning machine (1) is provided with a slot (9). The top of the tensioning machine (1) is provided with a display panel (10). The inner side wall of the tensioning machine (1) is hinged with a cover plate (11). The outer wall of the cover plate (11) is provided with a cleaning component. The limiting mechanism includes a plug (4), which is slidably connected to the inner wall of the slider (3). The right side wall of the plug (4) is elastically connected to the slider (3) through a return spring (5).

2. The prestress tensioning equipment in bridge construction of claim 1, wherein: The cleaning assembly includes a hinge rod (12) hinged to the outer wall of the cover plate (11), and a movable frame (13) hinged to one end of the hinge rod (12) away from the cover plate (11), with a cleaning pad (14) detachably installed below the movable frame (13).

3. The pre-stress tensioning equipment in bridge construction of claim 2, characterized in that: The movable frame (13) is slidably connected to the top of the tensioning machine (1).

4. The pre-stress tensioning equipment in bridge construction of claim 2, wherein: The bottom end of the cleaning pad (14) is in contact with the surface of the display panel (10).

5. The pre-stress tensioning equipment in bridge construction of claim 2, characterized in that: The cleaning pad (14) is made of microfiber material.

6. The pre-stress tensioning equipment in bridge construction of claim 1, wherein: The right side wall of the insert (4) is fixedly connected to one end of the reset spring (5), and the other end of the reset spring (5) is fixedly connected to the right inner wall of the slider (3).

7. The pre-stress tensioning equipment in bridge construction of claim 1, wherein: The insert (4) is inserted into the inner wall of the slot (9).

8. The pre-stress tensioning equipment in bridge construction of claim 1, wherein: The threaded rod (7) is provided in two sets, and the two sets of threaded rods (7) are arranged symmetrically.

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