Power grid laying device for cable pre-burying

Abstract

The utility model discloses a power grid laying device for cable pre-burying, which comprises a moving seat, the upper surface of the moving seat is provided with a mounting frame, the side surface of the mounting frame is fixedly connected with a fixing rod, the outer surface of the fixing rod is rotatably connected with a lower roller, the side inner wall of the mounting frame is slidably connected with a connecting rod, and the connecting rod is fixedly connected with the lower roller. An upper roller is rotatably connected to the outer surface of the connecting rod, sliding blocks are fixedly connected to the two ends of the connecting rod, an adjusting mechanism is arranged in the mounting frame and comprises a rack, a rotary knob, a rotating rod and a gear, the outer surfaces of the sliding blocks are fixedly connected with the rack, and the side surface of the rotary knob is fixedly connected with the rotating rod. When cables are embedded, one end of each cable penetrates through a gap between the lower roller and the upper roller of one mounting frame, the situation that the cables are wound when multiple cables are laid is avoided, and the distance between the rollers is adjusted in cooperation with an adjusting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power installation, in particular to a power grid laying device for pre-buried cables. Background Art

[0002] The whole composed of substations of various voltages and transmission and distribution lines in the power system is called power grid, which includes three units: substation, transmission and distribution. The task of power grid is to transmit and distribute electric energy and change voltage. Laying is often used for installation in power grid. Laying refers to the installation method of cables from one place to another. The laying method varies according to the type of cable.

[0003] When the laying device is working, sometimes multiple cables need to be pre-buried on one road at the same time. However, when the existing laying device is pre-buried, the cables may be entangled with each other during the process, affecting the efficiency of the operation. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a power grid laying device for pre-buried cables, which can lay multiple cables at the same time. When using the device, one end of each cable is passed through the gap between the lower roller and the upper roller of a mounting frame respectively, so as to avoid the cable entanglement caused by laying multiple cables. The rotation setting of the upper roller and the lower roller can reduce the friction between the cable and the roller, avoid damaging the outer surface of the cable and reduce the heat generated by friction, and can make the gear and the rack meshing transmission by rotating the knob, so as to make the slider move up and down along the slide groove, thereby adjusting the distance between the lower roller and the upper roller, and realizing the clamping effect of cables of different thicknesses; the mounting frame can be quickly installed by the fixed mechanism, when the mounting frame needs to be installed, the limit rod is rotated first, and then the T-shaped block is slid along the guide rail, when the side surface of the mounting frame is against the limit rod, the latch is taken out from the inside of the slide rod, and under the action of the spring, the slide rod slides downward and is inserted into the positioning hole, that is, the mounting frame is fixed, and the operation is simple and convenient.

[0005] The utility model also provides a power grid laying device for pre-buried cables, comprising: a movable seat, an upper surface of the movable seat is provided with an installation frame, a side surface of the installation frame is fixedly connected to a fixing rod, an outer surface of the fixing rod is rotatably connected to a lower roller, a side inner wall of the installation frame is slidably connected to a connecting rod, an outer surface of the connecting rod is rotatably connected to an upper roller, both ends of the connecting rod are fixedly connected to sliders, an adjusting mechanism is provided inside the installation frame, the adjusting mechanism comprises a rack, a knob, a rotating rod and a gear, the outer surface of the slider is fixedly connected to the rack, the side surface of the knob is fixedly connected to the rotating rod, an end of the rotating rod away from the knob is fixedly connected to the gear, the gear and the rack are meshed with each other, and a fixing mechanism is provided on the side surface of the installation frame.

[0006] According to the power grid laying device for pre-buried cables, the upper surface of the movable seat is fixedly connected to a base, a winding drum is provided inside the base, and a roller is provided on the lower surface of the movable seat.

[0007] According to the power grid laying device for pre-buried cables, a slide groove is provided on the side inner wall of the installation frame, and the side surface of the slider is slidably connected to the slide groove.

[0008] According to the power grid laying device for pre-buried cables, a groove is provided on the side surface of the slide slot, a protrusion is fixedly connected to the side surface of the slider, and an outer surface of the protrusion is slidably connected to the groove.

[0009] According to the power grid laying device for pre-buried cables, the fixing mechanism includes a fixing frame, a sliding rod, a convex ring, a spring and a latch, the outer surface of the fixing frame is fixedly connected to the installation frame, the outer surface of the sliding rod is slidably connected to the fixing frame, the outer surface of the sliding rod is fixedly connected to the convex ring, the side surface of the convex ring is fixedly connected to the spring, the other end of the spring is fixedly connected to the fixing frame, and the latch passes through the sliding rod and is slidably arranged.

[0010] According to the power grid laying device for pre-buried cables, a fixed block is fixedly connected to the upper surface of the movable seat, and the top end of the fixed block is rotatably connected to a limiting rod.

[0011] According to the cable pre-buried power grid laying device described in 5, a positioning hole is provided on the upper surface of the movable seat, and the aperture size of the positioning hole is the same as the cross-sectional radius size of the sliding rod.

[0012] According to the power grid laying device for pre-buried cables, a guide rail is provided on the upper surface of the movable seat, a T-shaped block is fixedly connected to the lower surface of the installation frame, the T-shaped block and the guide rail are adapted to each other, and the number of the installation frames is three and in a linear array.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a power grid laying device for pre-buried cables according to the utility model;

[0016] Figure 2 This is a schematic diagram of the installation frame structure of a power grid laying device for pre-buried cables according to the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of an adjustment mechanism of a power grid laying device for pre-buried cables according to the utility model;

[0018] Figure 4 The utility model is a network laying device for pre-buried cables Figure 1 A partial enlarged schematic diagram in the middle.

[0019] Legend:

[0020] 1. Moving seat; 2. Base; 3. Winding drum; 4. Mounting frame; 5. Fixed rod; 6. Lower roller; 7. Connecting rod; 8. Upper roller; 9. Slider; 10. Slide groove; 11. Groove; 12. Bump; 13. Rack; 14. Knob; 15. Turn bar; 16. Gear; 17. T-block; 18. Guide rail; 19. Fixed block; 20. Limit rod; 21. Fixed frame; 22. Sliding rod; 23. Raised ring; 24. Spring; 25. Latch; 26. Roller. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model discloses a power grid laying device for pre-buried cables, which comprises: a movable seat 1, a base 2 is fixedly connected to the upper surface of the movable seat 1, a winding drum 3 is arranged inside the base 2, and cables are wound around the winding drum 3 for laying the power grid. Multiple winding drums 3 can lay multiple cables at the same time, thereby improving work efficiency.

[0023] A mounting frame 4 is provided on the upper surface of the movable seat 1, a fixing rod 5 is fixedly connected to the side surface of the mounting frame 4, a lower roller 6 is rotatably connected to the outer surface of the fixing rod 5, a connecting rod 7 is slidably connected to the side inner wall of the mounting frame 4, an upper roller 8 is rotatably connected to the outer surface of the connecting rod 7, sliders 9 are fixedly connected to both ends of the connecting rod 7, an adjusting mechanism is provided inside the mounting frame 4, the adjusting mechanism comprises a rack 13, a knob 14, a rotating rod 15 and a gear 16, an outer surface of the slider 9 is fixedly connected to the rack 13, a side surface of the knob 14 is fixedly connected to the rotating rod 15, an end of the rotating rod 15 away from the knob 14 is fixedly connected to the gear 16, the gear 16 and the rack 13 are meshed with each other, a slide groove 10 is provided on the side inner wall of the mounting frame 4, a side surface of the slider 9 is slidably connected to the slide groove 10 Then, a groove 11 is provided on the side surface of the slide 10, and a protrusion 12 is fixedly connected to the side surface of the slider 9, and the outer surface of the protrusion 12 is slidably connected to the groove 11. When laying multiple cables, one end of a cable is passed through the gap between the lower drum 6 and the upper drum 8 of an installation frame 4 to avoid the cable entanglement when laying multiple cables. The rotation setting of the upper drum 8 and the lower drum 6 can reduce the friction between the cable and the drum, avoid damage to the outer surface of the cable and reduce the heat generated by friction, and the knob 14 can be rotated to make the gear 16 and the rack 13 mesh for transmission, so that the slider 9 can be moved up and down along the slide 10, thereby adjusting the distance between the lower drum 6 and the upper drum 8 to achieve the clamping effect of cables of different thicknesses.

[0024] A guide rail 18 is provided on the upper surface of the movable seat 1, and a T-shaped block 17 is fixedly connected to the lower surface of the mounting frame 4. The T-shaped block 17 and the guide rail 18 are adapted to each other. The number of mounting frames 4 is three and they are arranged in a linear array. A fixing mechanism is provided on the side surface of the mounting frame 4. The fixing mechanism includes a fixing frame 21, a slide bar 22, a convex ring 23, a spring 24 and a latch 25. The outer surface of the fixing frame 21 is fixedly connected to the mounting frame 4, the outer surface of the slide bar 22 is slidably connected to the fixing frame 21, the outer surface of the slide bar 22 is fixedly connected to the convex ring 23, the side surface of the convex ring 23 is fixedly connected to the spring 24, and the other end of the spring 24 is fixedly connected to the fixing frame 21. The latch 25 penetrates the slide bar 22 and is slidably arranged. The guide rail 18 is provided on the upper surface of the movable seat 1, and the mounting frame 4 is provided. A T-shaped block 17 is fixedly connected to the lower surface of the frame 4, and the T-shaped block 17 is adapted to the guide rail 18. There are three installation frames 4 and a fixed block 19 is fixedly connected to the upper surface of the linear array moving seat 1. The top of the fixed block 19 is rotatably connected to the limiting rod 20. A positioning hole is provided on the upper surface of the moving seat 1. The aperture size of the positioning hole is the same as the cross-sectional radius size of the slide bar 22. When the installation frame 4 needs to be installed, the limiting rod 20 is rotated first, and then the T-shaped block 17 is slid along the guide rail 18. When the side surface of the installation frame 4 is against the limiting rod 20, the pin 25 is taken out from the inside of the slide bar 22. Under the action of the spring 24, the slide bar 22 slides downward and is inserted into the positioning hole, thereby completing the fixation of the installation frame 4. The operation is simple and convenient.

[0025] The lower surface of the movable base 1 is provided with rollers 26 , and the movable base 1 is moved by the rollers 26 for laying cables.

[0026] Working principle: when the installation frame 4 needs to be installed, the limiting rod 20 is rotated first, and then the T-shaped block 17 slides along the guide rail 18. When the side surface of the installation frame 4 is against the limiting rod 20, the latch 25 is taken out from the inside of the slide bar 22. Under the action of the spring 24, the slide bar 22 slides downward and is inserted into the positioning hole, that is, the fixing of the installation frame 4 is completed, and the operation is simple and convenient; when using the device, one end of each cable is passed through the gap between the lower roller 6 and the upper roller 8 of a mounting frame 4 respectively to avoid the cable entanglement when laying multiple cables. The rotation setting of the upper roller 8 and the lower roller 6 can reduce the friction between the cable and the roller, avoid damaging the outer surface of the cable and the heat generated by friction, and the knob 14 can be rotated to make the gear 16 and the rack 13 mesh and transmit, so that the slider 9 can be moved up and down along the slide groove 10, and then the distance between the lower roller 6 and the upper roller 8 is adjusted to achieve the clamping effect of cables of different thicknesses.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A power grid laying device for pre-buried cables, characterized in that: include: A movable seat (1), wherein an installation frame (4) is arranged on the upper surface of the movable seat (1), a fixing rod (5) is fixedly connected to the side surface of the installation frame (4), an outer surface of the fixing rod (5) is rotatably connected to a lower roller (6), a connecting rod (7) is slidably connected to the side inner wall of the installation frame (4), an outer surface of the connecting rod (7) is rotatably connected to an upper roller (8), two ends of the connecting rod (7) are fixedly connected to sliders (9), an adjusting mechanism is arranged inside the installation frame (4), the adjusting mechanism comprises a rack (13), a knob (14), a rotating rod (15) and a gear (16), an outer surface of the slider (9) is fixedly connected to the rack (13), a side surface of the knob (14) is fixedly connected to the rotating rod (15), an end of the rotating rod (15) away from the knob (14) is fixedly connected to the gear (16), the gear (16) and the rack (13) are meshed with each other, and a fixing mechanism is arranged on the side surface of the installation frame (4).

2. A cable pre-buried power grid laying device according to claim 1, characterized in that: The upper surface of the movable seat (1) is fixedly connected to a base (2), a winding drum (3) is arranged inside the base (2), and a roller (26) is arranged on the lower surface of the movable seat (1).

3. The cable pre-buried power grid laying device according to claim 1, characterized in that: A sliding groove (10) is provided on the inner side wall of the installation frame (4), and the side surface of the sliding block (9) is slidably connected to the sliding groove (10).

4. A cable pre-buried power grid laying device according to claim 3, characterized in that: The side surface of the slide groove (10) is provided with a groove (11), the side surface of the slider (9) is fixedly connected with a protrusion (12), and the outer surface of the protrusion (12) is slidably connected to the groove (11).

5. The cable pre-buried power grid laying device according to claim 1, characterized in that: The fixing mechanism comprises a fixing frame (21), a sliding rod (22), a convex ring (23), a spring (24) and a latch (25); the outer surface of the fixing frame (21) is fixedly connected to the installation frame (4); the outer surface of the sliding rod (22) is slidably connected to the fixing frame (21); the outer surface of the sliding rod (22) is fixedly connected to the convex ring (23); the side surface of the convex ring (23) is fixedly connected to the spring (24); the other end of the spring (24) is fixedly connected to the fixing frame (21); and the latch (25) passes through the sliding rod (22) and is slidably arranged.

6. The cable pre-buried power grid laying device according to claim 1, characterized in that: A fixed block (19) is fixedly connected to the upper surface of the movable seat (1), and the top end of the fixed block (19) is rotatably connected to a limiting rod (20).

7. The cable pre-buried power grid laying device according to claim 5, characterized in that: The upper surface of the movable seat (1) is provided with a positioning hole, and the diameter of the positioning hole is the same as the cross-sectional radius of the sliding rod (22).

8. The cable pre-buried power grid laying device according to claim 1, characterized in that: The upper surface of the movable seat (1) is provided with a guide rail (18), the lower surface of the installation frame (4) is fixedly connected with a T-shaped block (17), the T-shaped block (17) and the guide rail (18) are adapted to each other, and the number of the installation frames (4) is three and they are arranged in a linear array.

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