Circuit protection assembly for water conservancy and hydropower engineering

Abstract

The utility model relates to the field of water conservancy and hydropower engineering line protection, and discloses a water conservancy and hydropower engineering line protection assembly, which comprises a plurality of lower bases and an upper shell, the plurality of lower bases are fixedly mounted through a connecting mechanism, a control mechanism is arranged in the upper shell, and the control mechanism is connected with the upper shell. The control mechanism comprises a two-way screw rod, the two-way screw rod is rotatably installed on the inner wall of the upper shell, a sliding block is slidably connected to the outer wall of the two-way screw rod, the sliding block slides on the inner wall of the upper shell, and a moving plate is slidably connected to the inner wall of the upper shell. According to the utility model, by changing the positions of the moving plate and the supporting plate, the compressed amplitude of the buffer spring is further changed, so that the pressing force applied to the cable can be conveniently adjusted, the possibility that the thick cable is more easily damaged is reduced, the protection effect on the cable is improved to a certain extent, and the safety risk is reduced.

Description

Technical Field

[0001] This utility model relates to the field of line protection for water conservancy and hydropower projects, and in particular to a line protection component for water conservancy and hydropower projects. Background Technology

[0002] Water conservancy and hydropower projects are important infrastructure and basic industries. Taking water conservancy hubs as the main objects, various construction equipment need to be powered during the construction process. Power is transmitted through external wires, which are laid on the road surface and covered with a simple plastic piece. When there are many vehicles passing by, the plastic piece may deform, causing the wire to be crushed and deformed, which can easily lead to short circuit accidents.

[0003] A search revealed that Chinese Patent Publication No. CN212011995U discloses a line protection component for water conservancy and hydropower projects, including a hinge shaft. A first protective shell and a second protective shell are respectively hinged to the outer side of the hinge shaft. A sliding groove is provided at the middle position of the first and second protective shells on their respective sides. Two sets of sliders are slidably arranged inside the two sets of sliding grooves. A hinge rod is hinged to the side of the four sets of sliders on their respective sides. An arc-shaped clamp is hinged to the side of the two sets of hinge rods away from the sliders.

[0004] This patent can clamp and fix wires of different thicknesses and specifications, preventing the wires from sliding inside the protective component and preventing accidental slippage, thus improving the safety of the protective component. It also has a certain buffering function. However, when fixing wires of different thicknesses and specifications, since the diameters of the first and second protective shells remain unchanged, the displacement amplitude of the arc-shaped clamping plate varies depending on the wire thickness. The larger the diameter of the wire, the greater the displacement amplitude of the arc-shaped clamping plate, resulting in a greater reverse compressive force from the spring. This increases the pressure on the wire, making it more susceptible to damage. In particular, when a car passes over the wire, the wire is crushed and deformed, making it more prone to twisting and deformation, further increasing the risk of short circuits and safety hazards. Therefore, a wire protection component for water conservancy and hydropower projects is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a line protection component for water conservancy and hydropower projects, which aims to improve the problem of "potential short circuit accidents, increasing safety risks" in the prior art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a line protection component for water conservancy and hydropower engineering, comprising a lower base and an upper housing. Multiple lower bases are fixedly installed together via a connecting mechanism. A control mechanism is provided inside the upper housing. The control mechanism includes a bidirectional screw, which is rotatably mounted on the inner wall of the upper housing. A slider is slidably connected to the outer wall of the bidirectional screw, and the slider slides on the inner wall of the upper housing. A movable plate is slidably connected to the inner wall of the upper housing, and a guide rod is fixedly connected to the inner wall of the movable plate. A protection mechanism is provided inside the lower base, comprising a support plate. A support groove is formed inside the lower base, and the support plate is slidably mounted on the inner wall of the support groove. A placement groove is provided at the top of the support plate, and a pressure plate is rotatably connected to the top of the support plate. The top of the pressure plate contacts the bottom of the movable plate. The bottom of the support plate is elastically connected to the bottom of the inner wall of the support groove via a buffer spring.

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

[0008] The front and rear sides of the lower base and the front and rear sides of the upper shell are all provided with slopes of the same gradient.

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

[0010] The top of the upper housing is provided with a protective cover, a knob is fixedly connected to the middle of the bidirectional screw, a groove is opened inside the slider, and the guide rod slides on the inner wall of the groove.

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

[0012] The connecting mechanism includes a connecting plate, which is fixedly installed on the right side of the lower base. A connecting groove is provided on the left side of the lower base, and the connecting plate is inserted into the inner wall of the connecting groove. The lower base is fixedly connected to the upper shell by connecting bolts.

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

[0014] The connecting bolts are threaded onto the top of the connecting plate, and the interior of the upper housing has a mounting groove for accommodating the connecting bolts.

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

[0016] The pressure plate is arc-shaped, and the bottom of the pressure plate contacts the cable, with the bottom of the cable contacting the top of the placement groove.

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

[0018] The lower base has a cable passage hole inside, through which the cable passes. The inner diameter of the cable passage hole is larger than the outer diameter of the cable.

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

[0020] The top of the buffer spring is fixedly connected to the bottom of the support plate, and the bottom of the buffer spring is fixedly connected to the bottom of the inner wall of the support groove.

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

[0022] 1. In this utility model, through the cooperation of the control mechanism, moving plate, support plate, support groove, placement groove, pressure plate, buffer spring, and cable, the position of the moving plate and support plate can be changed by rotating the bidirectional screw, thereby changing the compression range of the buffer spring. This allows for convenient adjustment of the clamping force on the cable, reducing the possibility of thicker cables being more easily damaged or injured, and to a certain extent increasing the protection effect on the cable, thereby reducing safety risks.

[0023] 2. In this utility model, by setting multiple placement slots and cooperating with the same number of pressure plates, multiple cables can be pressed simultaneously when the moving plate is pressed on top of the pressure plate. This increases the number of cables that can be protected at the same time and reduces the number of protection components required when protecting multiple cables. At the same time, by setting the pressure plate to be arc-shaped, it can better fit the surface shape of the cable, further improving the protection effect. Attached Figure Description

[0024] Figure 1 This is a right-side view of the overall three-dimensional structure of this utility model;

[0025] Figure 2 This is a left-side view of the overall three-dimensional structure of this utility model;

[0026] Figure 3 This is a three-dimensional exploded view of a single lower base and upper shell in this utility model;

[0027] Figure 4 This is a three-dimensional cross-sectional view of the upper housing and control mechanism in this utility model;

[0028] Figure 5 This is a three-dimensional exploded view of the lower base and protective mechanism in this utility model;

[0029] Figure 6 This utility model Figure 5 A magnified three-dimensional structural diagram at point A in the middle.

[0030] Legend:

[0031] 1. Lower base; 2. Upper housing; 3. Connecting plate; 4. Connecting groove; 5. Connecting bolt; 61. Protective cover; 62. Two-way screw; 63. Knob; 64. Slider; 65. Guide rod; 66. Groove; 7. Moving plate; 8. Support plate; 9. Support groove; 10. Placement groove; 11. Pressure plate; 12. Buffer spring; 13. Cable; 14. Cable hole. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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 Figure 1 - Figure 3 This utility model provides an embodiment of a line protection component for water conservancy and hydropower projects, including a lower base 1 and an upper housing 2. By fixing and wrapping the lower base 1 and the upper housing 2 around the cable 13, the stability and reliability of the cable 13 after installation are ensured, thereby improving the overall stability of the power system. The number of lower bases 1 is set to multiple. By setting multiple lower bases 1 connected together, a longer cable 13 can be protected. Multiple lower bases 1 are fixedly installed by a connecting mechanism. The upper housing 2 is provided with a control mechanism inside.

[0034] Reference Figure 3 , Figure 4 The control mechanism includes a horizontally positioned bidirectional screw 62, which is rotatably mounted on the inner wall of the upper housing 2. The circumferential surface of the bidirectional screw 62 is provided with two sections of threaded grooves with opposite directions of rotation. A slider 64 is slidably connected to the outer wall of the bidirectional screw 62. The slider 64 slides on the inner wall of the upper housing 2. There are two sets of sliders 64, which slide on threaded grooves with different directions of rotation. When the bidirectional screw 62 rotates, the two sets of sliders 64 move away from or closer to each other. A movable plate 7 is slidably connected to the inner wall of the upper housing 2. The movable plate 7 slides up and down. A horizontally positioned guide rod 65 is fixedly connected to the inner wall of the movable plate 7. A protective mechanism is provided inside the lower base 1.

[0035] Reference Figure 3 , Figure 4The top of the upper housing 2 is provided with a protective cover 61 to reduce the possibility of external dust and impurities entering the upper housing 2 and to protect the internal structure of the upper housing 2. A knob 63 is fixedly connected to the middle of the bidirectional screw 62. The operator can turn the bidirectional screw 62 conveniently and effortlessly by turning the knob 63. The slider 64 has a groove 66 inside that cooperates with the guide rod 65. The groove 66 is set in an inclined state. The grooves 66 inside the two sets of sliders 64 are set in a symmetrical state. When the two sets of sliders 64 move away from each other or move closer to each other, the guide rod 65 and the groove 66 cooperate to drive the moving plate 7 to descend or rise. The guide rod 65 slides on the inner wall of the groove 66.

[0036] Reference Figure 3 , Figure 5 , Figure 6 The protection mechanism includes a support plate 8 for supporting the cable 13. The lower base 1 has a support groove 9 inside that cooperates with the support plate 8. The support plate 8 is slidably installed on the inner wall of the support groove 9. The sliding direction of the support plate 8 is up and down. The top of the support plate 8 is provided with multiple placement grooves 10 for accommodating the cable 13. Each placement groove 10 is equally spaced, which can support multiple strands of cable 13 at the same time. The top of the support plate 8 is rotatably connected with multiple pressure plates 11. The number of pressure plates 11 is equal to the number of placement grooves 10. The top of the pressure plates 11 contacts the bottom of the moving plate 7. The bottom of the support plate 8 is elastically connected to the bottom of the inner wall of the support groove 9 through a buffer spring 12. The top of the buffer spring 12 is fixedly connected to the bottom of the support plate 8, and the bottom of the buffer spring 12 is fixedly connected to the bottom of the inner wall of the support groove 9. The buffer spring 12 applies an upward elastic force to the support plate 8.

[0037] Reference Figure 3 , Figure 5 , Figure 6 The pressure plate 11 is designed to be arc-shaped, so that the pressure plate 11 can fit more closely to the surface of the cable 13, increasing the contact area between the pressure plate 11 and the cable 13, reducing the pressure per unit area of ​​the cable 13, and improving the protection effect. Through the cooperation of the pressure plate 11 and the placement groove 10, the cable 13 is pressed tightly, so that the cable 13 is more stably fixed between the lower base 1 and the upper housing 2. The bottom of the pressure plate 11 contacts the cable 13. The cable 13, as the medium for power transmission, is an object that needs to be protected. The bottom of the cable 13 contacts the top of the placement groove 10. The lower base 1 is provided with a wire hole 14 for accommodating the cable 13. The cable 13 passes through the inside of the wire hole 14. The inner diameter of the wire hole 14 is larger than the outer diameter of the cable 13, which allows the cable 13 to have more room to move.

[0038] Reference Figure 1 - Figure 3Both the front and rear sides of the lower base 1 and the front and rear sides of the upper housing 2 are provided with ramps of the same slope. By setting the ramps, when the protective component is installed on the road, it can facilitate the passage of cars and other vehicles, reducing the impact on traffic. The connecting mechanism includes a connecting plate 3, which is fixedly installed on the right side of the lower base 1. A connecting groove 4 that mates with the connecting plate 3 is opened on the left side of the lower base 1. The connecting plate 3 is inserted into the inner wall of the connecting groove 4. The lower base 1 is fixedly connected to the upper housing 2 by connecting bolts 5. Multiple lower bases 1 can be fixedly connected to ensure the protection effect of the cable 13. The connecting bolts 5 are threaded on the top of the connecting plate 3. The upper housing 2 has an installation groove inside to accommodate the connecting bolts 5, so that the connecting bolts 5 do not protrude from the outside of the upper housing 2, reducing the impact on traffic.

[0039] Working principle: In use, by splicing multiple lower bases 1, the length of the lower base 1 in the axial direction of the cable 13 can be extended, which can protect the longer cable 13 and improve the flexibility of installation. When fixing multiple spliced ​​lower bases 1, the connecting plate 3 is first inserted into the interior of the connecting groove 4. Through the cooperation of the connecting plate 3 and the connecting groove 4, the positioning function can be played, so that the cable passage holes 14 of multiple lower bases 1 can be aligned, which facilitates the passage of the cable 13.

[0040] Then, the cable 13 is passed through the cable hole 14 and placed on top of the placement slot 10. Then, the pressure plate 11 is rotated so that the surface of the pressure plate 11 contacts the surface of the cable 13. Then, the upper housing 2 is placed on top of the lower base 1 so that the bottom of the moving plate 7 contacts the top of the pressure plate 11. Then, the multiple lower bases 1 and upper housings 2 are fixedly connected by tightening the connecting bolts 5 to complete the overall installation. At this time, the cable 13 is inside the lower base 1 and the upper housing 2, which plays a role in wrapping and protecting it, reducing the possibility of the cable 13 being deformed by direct crushing by a car and thus short-circuiting.

[0041] Based on the above work, by rotating the bidirectional screw 62, the two sets of sliders 64 move away from each other, thereby causing the moving plate 7 to move downward. The displacement of the moving plate 7 will squeeze the pressure plate 11 and the support plate 8, thereby causing the support plate 8 to move downward against the elastic force of the buffer spring 12. The reaction force applied by the buffer spring 12 to the support plate 8 will press the cable 13 between the pressure plate 11 and the support plate 8, thereby improving the stability of the cable 13 installation.

[0042] Since the rotation angle of the pressure plate 11 can be adjusted, the space between the pressure plate 11 and the support plate 8 can be changed, thereby allowing cables 13 of different diameters to be fixedly installed, improving adaptability. Moreover, when a car passes over the cable 13, the buffer spring 12 resists some deformation, reducing the hard impact force and extending the service life of the protection components.

[0043] 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 line protection component for water conservancy and hydropower projects, comprising a lower base (1) and an upper housing (2), characterized in that: The number of the lower bases (1) is set to multiple, and the multiple lower bases (1) are fixedly installed together by a connecting mechanism. The upper shell (2) is provided with a control mechanism, which includes a bidirectional screw (62). The bidirectional screw (62) is rotatably installed on the inner wall of the upper shell (2). A slider (64) is slidably connected to the outer wall of the bidirectional screw (62). The slider (64) slides on the inner wall of the upper shell (2). A moving plate (7) is slidably connected to the inner wall of the upper shell (2). A guide is fixedly connected to the inner wall of the moving plate (7). The lower base (1) is equipped with a protective mechanism, which includes a support plate (8). The lower base (1) has a support groove (9) inside. The support plate (8) is slidably installed on the inner wall of the support groove (9). The top of the support plate (8) is provided with a placement groove (10). The top of the support plate (8) is rotatably connected to a pressure plate (11). The top of the pressure plate (11) is in contact with the bottom of the moving plate (7). The bottom of the support plate (8) is elastically connected to the bottom of the inner wall of the support groove (9) through a buffer spring (12).

2. The line protection component for water conservancy and hydropower projects according to claim 1, characterized in that: The front and rear sides of the lower base (1) and the front and rear sides of the upper shell (2) are all provided with slopes of the same gradient.

3. The line protection component for water conservancy and hydropower projects according to claim 1, characterized in that: The top of the upper housing (2) is provided with a protective cover (61), the middle of the bidirectional screw (62) is fixedly connected with a knob (63), the slider (64) has a groove (66) inside, and the guide rod (65) slides on the inner wall of the groove (66).

4. A line protection component for water conservancy and hydropower projects according to claim 1, characterized in that: The connecting mechanism includes a connecting plate (3), which is fixedly installed on the right side of the lower base (1). A connecting groove (4) is provided on the left side of the lower base (1). The connecting plate (3) is inserted into the inner wall of the connecting groove (4). The lower base (1) is fixedly connected to the upper shell (2) by connecting bolts (5).

5. A line protection component for water conservancy and hydropower projects according to claim 4, characterized in that: The connecting bolt (5) is threaded onto the top of the connecting plate (3), and the interior of the upper housing (2) is provided with a mounting groove for accommodating the connecting bolt (5).

6. A line protection component for water conservancy and hydropower projects according to claim 1, characterized in that: The pressure plate (11) is arc-shaped, and the bottom of the pressure plate (11) contacts the cable (13), and the bottom of the cable (13) contacts the top of the placement groove (10).

7. A line protection component for water conservancy and hydropower projects according to claim 6, characterized in that: The lower base (1) is provided with a wire hole (14) inside, through which the cable (13) passes. The inner diameter of the wire hole (14) is larger than the outer diameter of the cable (13).

8. A line protection component for water conservancy and hydropower projects according to claim 1, characterized in that: The top of the buffer spring (12) is fixedly connected to the bottom of the support plate (8), and the bottom of the buffer spring (12) is fixedly connected to the bottom of the inner wall of the support groove (9).

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