Lifting frame for building cable laying

Abstract

The utility model relates to the technical field of cable engineering, and discloses a lifting frame for building cable laying, which comprises a movable bottom frame and a take-up reel, an opening for the take-up reel to roll in is reserved on one side of the movable bottom frame, two vertical plates are symmetrically welded on the upper surface of the movable bottom frame, the take-up reel is rotatably connected between the two vertical plates, and the movable bottom frame is connected with the take-up reel. A lifting assembly and a pay-off assembly are arranged between the two vertical plates and correspond to the take-up reel. According to the take-up reel lifting device, the first hydraulic rod is contracted to drive the lifting frame to rotate around the main shaft, the left end of the lifting frame is tilted, and the purpose of lifting a take-up reel is achieved; a cable is arranged in a guide hole in the surface of a guide sleeve in a penetrating mode, the cable is driven by a pay-off roller to be paid off, a worm is driven by a servo motor to rotate, a shaft rod can be driven to rotate based on meshing of the worm and a worm wheel, and therefore the height of the pay-off rack can be adjusted; therefore, the requirement of quickly laying the cable on the surfaces of the mounting brackets with different heights is met, the use is convenient, and the adjustability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of cable engineering, and more particularly to a lifting frame for laying building cables. Background Art

[0002] During production, the cable is mainly wound on the surface of the take-up drum. When laying the cable, it is necessary to first set up the take-up drum, and then rotate the take-up drum to pay out the cable in order to achieve the purpose of laying the cable.

[0003] At present, when using cables, the cable is simply unwound by setting up the take-up reel and then rotating the take-up reel. There is no effect of guiding the unwinding of the free section of the cable. The unwound cable is randomly placed on the ground. In this case, when the cable needs to be laid on the surface of a suspended cable installation bracket at different heights, manpower is required to support the cable. The operation is cumbersome and it is difficult to meet the needs of efficient cable laying.

[0004] In view of this, the utility model provides a lifting frame for laying building cables. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a lifting frame for laying building cables to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a lifting frame for laying building cables, comprising a movable base frame and a take-up drum, an opening for the take-up drum to roll into is reserved on one side of the movable base frame, two vertical plates are symmetrically welded on the upper surface of the movable base frame, the take-up drum is rotatably connected between the two vertical plates, and a lifting assembly and a wire-releasing assembly are respectively provided between the two vertical plates corresponding to the take-up drum;

[0007] The lifting assembly includes a main shaft rotatably connected to the surface of the vertical plate, a lifting frame is welded to the adjacent ends of the two main shafts, a U-shaped groove is provided on the upper left of the lifting frame for placing the central axis of the take-up reel, and a first hydraulic rod is rotatably connected to the upper right of the movable base frame, and the telescopic end of the first hydraulic rod is rotatably connected to the lower right of the lifting frame;

[0008] The pay-off assembly includes a shaft rod rotatably connected to the surface of the vertical plate, an adjusting box is fixedly installed on the surface of the vertical plate on the front side, a servo motor is fixedly installed on the side wall of the adjusting box, the output shaft of the servo motor extends to the interior of the adjusting box and is fixedly installed with a worm, and the shaft rod is fixedly installed with a worm gear inside the adjusting box, the worm gear is meshed with the worm gear, a pay-off frame is fixedly installed on the end close to the two shaft rods, a mounting frame is fixedly installed on the top of the pay-off frame, a guide sleeve and a pay-off roller are respectively provided inside the mounting frame, a guide hole is opened on the surface of the guide sleeve, the pay-off roller is rotatably connected to the mounting frame, and a reduction motor for driving the pay-off roller to rotate is fixedly installed on the back of the mounting frame.

[0009] Furthermore, the lifting frame includes a bracket section arranged on the left side of the main shaft and a lever arm section on the right side of the main shaft. The length of the lever arm section is greater than that of the bracket section, and a U-shaped groove is opened in the bracket section. The central axes of the U-shaped groove and the main shaft do not coincide, and the telescopic end of the first hydraulic rod is connected to the lever arm section.

[0010] Furthermore, a positioning screw is threadedly connected to the surface of the vertical plate, a positioning hole is opened on the left surface of the lifting frame, and the light rod section of the positioning screw is stuck inside the positioning hole; by setting the positioning screw and the positioning hole, after the take-up reel is lifted, the positioning screw is inserted into the positioning hole, which can achieve the effect of positioning the lifting frame and improve the stability of the lifting frame.

[0011] Furthermore, a longitudinal limit slide bar is fixedly installed on the inner wall of the mounting bracket, and the guide sleeve is slidably connected to the surface of the longitudinal limit slide bar. The surface of the guide sleeve is threadedly connected to the limit screw. The surface of the longitudinal limit slide bar is equidistantly provided with a plurality of limit holes, and the threaded end of the limit screw is clamped inside the limit hole. By setting the longitudinal limit slide bar and utilizing the guide sleeve to be slidably connected to the surface of the longitudinal limit slide bar, the position of the guide sleeve can be further adjusted in the horizontal direction according to the position of the mounting bracket, and after the adjustment is completed, the position of the guide sleeve can be positioned by clamping the limit screw into the limit hole.

[0012] Furthermore, a second hydraulic rod is embedded in the top of the mounting frame, and a lifting bracket is fixedly installed on the telescopic end of the second hydraulic rod, and the inner wall of the lifting bracket is rotatably connected to a pressure roller, and the position of the pressure roller corresponds to the position of the pay-off roller; by setting the pressure roller and squeezing the cable by the pressure roller, the friction between the cable and the pay-off roller can be increased, thereby ensuring that the rotation of the pay-off roller can drive the cable to move, and by setting the second hydraulic rod, the lifting bracket and the pressure roller, the second hydraulic rod is telescopically driven to move the pressure roller, and the distance between the pressure roller and the pay-off roller can be adjusted to meet the needs of using cables of different sizes.

[0013] Furthermore, a vertical limit slide bar is fixedly installed on the top of the lifting bracket, and the vertical limit slide bar is slidably connected to the mounting frame; by setting the vertical limit slide bar, the stability of the lifting bracket can be improved, and the anti-twisting protection effect of the telescopic end of the second hydraulic rod can be achieved.

[0014] Technical effects and advantages of this utility model:

[0015] 1. The utility model rolls the take-up drum into the inner side of the opening of the mobile chassis and snaps it into the U-shaped groove. By setting a lifting assembly, the first hydraulic rod is contracted to drive the lifting frame to rotate around the main axis, and the left end of the lifting frame is tilted to achieve the purpose of lifting the take-up drum. By setting a pay-off assembly, the cable on the surface of the take-up drum is passed through the guide hole on the surface of the guide sleeve, and the pay-off roller is used to drive the cable to pay off the cable, and the servo motor is used to drive the worm to rotate. Based on the engagement of the worm and the worm wheel, the shaft can be driven to rotate, so that the height of the pay-off frame can be adjusted, thereby meeting the need to quickly lay the cable on the surface of the mounting bracket at different heights. It is easy to use and has strong adjustability.

[0016] 2. The utility model provides a positioning screw and a positioning hole. After the take-up reel is lifted, the positioning screw is inserted into the positioning hole to achieve the effect of positioning the lifting frame and improve the stability of the lifting frame. By providing a longitudinal limit slide bar and using a guide sleeve to be slidably connected to the surface of the longitudinal limit slide bar, the position of the guide sleeve can be further adjusted in the horizontal direction according to the position of the mounting bracket, and after the adjustment is completed, the position of the guide sleeve can be positioned by using the limit screw to be stuck into the limit hole.

[0017] 3. The utility model provides a pressure roller and utilizes the pressure roller to squeeze the cable, which can increase the friction between the cable and the pay-off roller, thereby ensuring that the rotation of the pay-off roller can drive the cable to move; and by providing a second hydraulic rod, a lifting bracket and a pressure roller, the second hydraulic rod is extended and retracted to drive the pressure roller to move, and the distance between the pressure roller and the pay-off roller can be adjusted to meet the needs of using cables of different sizes; by providing a vertical limit slide bar, the stability of the lifting bracket can be improved, thereby achieving the effect of anti-twisting protection for the telescopic end of the second hydraulic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a perspective one;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second perspective;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from three viewing angles;

[0021] Figure 4This is a schematic diagram of the cross-section structure of the regulating box of the present invention.

[0022] The accompanying drawings are marked as follows: 1. Mobile chassis; 2. Take-up reel; 3. Vertical plate; 4. Main shaft; 5. Lifting frame; 501. Bracket section; 502. Lever section; 6. U-shaped groove; 7. First hydraulic rod; 8. Shaft; 9. Adjustment box; 10. Servo motor; 11. Worm; 12. Worm gear; 13. Pay-off frame; 14. Mounting frame; 15. Guide sleeve; 16. Pay-off roller; 17. Positioning screw; 18. Longitudinal limit slide; 19. Limit screw; 20. Limit hole; 21. Reducer motor; 22. Second hydraulic rod; 23. Lifting bracket; 24. Pressure roller; 25. Vertical limit slide. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The lifting frame for laying building cables involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Reference Figures 1 to 4 The utility model provides a lifting frame for laying building cables, including a mobile base frame 1 and a wire-reel 2. An opening is reserved on one side of the mobile base frame 1 for the wire-reel 2 to roll in. Two vertical plates 3 are symmetrically welded on the upper surface of the mobile base frame 1. The wire-reel 2 is rotatably connected between the two vertical plates 3. A lifting component and a wire-releasing component are respectively provided between the two vertical plates 3 corresponding to the wire-reel 2.

[0025] The lifting assembly includes a main shaft 4 rotatably connected to the surface of the vertical plate 3, a lifting frame 5 is welded to the adjacent end of the two main shafts 4, a U-shaped groove 6 for the central axis of the take-up reel 2 to be placed is provided on the upper left side of the lifting frame 5, and a first hydraulic rod 7 is rotatably connected to the upper right side of the movable base frame 1, and the telescopic end of the first hydraulic rod 7 is rotatably connected to the lower right side of the lifting frame 5.

[0026] The lifting frame 5 includes a bracket section 501 arranged on the left side of the main shaft 4 and a lever arm section 502 on the right side of the main shaft 4. The length of the lever arm section 502 is greater than that of the bracket section 501, and the U-shaped groove 6 is opened in the bracket section 501. The central axes of the U-shaped groove 6 and the main shaft 4 do not coincide. The telescopic end of the first hydraulic rod 7 is connected to the lever arm section 502.

[0027] It is worth noting that when using the lifting frame for laying building cables, the entire lifting frame is moved to the construction area in advance using the mobile base frame 1, and then the entire lifting frame is connected to the external power control system, keeping the left end of the lifting frame 5 in a low position, and rolling the wire drum 2 into the inner side of the opening of the mobile base frame 1 and stuck in the U-shaped groove 6. Then, the first hydraulic rod 7 is controlled by the external controller to contract and drive the lifting frame 5 to rotate around the main axis 4. The left end of the lifting frame 5 is tilted to lift the wire drum 2, thereby achieving the purpose of loading the wire drum 2.

[0028] A positioning screw 17 is threadedly connected to the surface of the vertical plate 3 , and a positioning hole is opened on the left surface of the lifting frame 5 , and the polished rod section of the positioning screw 17 is clamped inside the positioning hole.

[0029] Furthermore, by providing a positioning screw 17 and a positioning hole, after the take-up drum 2 is lifted, the positioning screw 17 is inserted into the positioning hole, thereby achieving the effect of positioning the lifting frame 5 and improving the stability of the lifting frame 5.

[0030] The pay-off assembly includes a shaft 8 rotatably connected to the surface of the vertical plate 3, an adjusting box 9 is fixedly installed on the surface of the front vertical plate 3, a servo motor 10 is fixedly installed on the side wall of the adjusting box 9, the output shaft of the servo motor 10 extends to the interior of the adjusting box 9 and is fixedly installed with a worm 11, and the shaft 8 is fixedly installed with a worm gear 12 inside the adjusting box 9, the worm 11 is engaged with the worm gear 12, and a pay-off frame 13 is fixedly installed on the end close to the two shafts 8, and a mounting frame 14 is fixedly installed on the top of the pay-off frame 13, and a guide sleeve 15 and a pay-off roller 16 are respectively provided inside the mounting frame 14, and a guide hole is opened on the surface of the guide sleeve 15, and the pay-off roller 16 is rotatably connected to the mounting frame 14, and a reduction motor 21 for driving the pay-off roller 16 to rotate is fixedly installed on the back of the mounting frame 14.

[0031] It is worth noting that by setting up a pay-off assembly, the cable on the surface of the take-up reel 2 is passed through the guide hole on the surface of the guide sleeve 15, and the pay-off roller 16 is used to drive the cable to pay out the cable, and the servo motor 10 is used to drive the worm 11 to rotate. Based on the engagement of the worm 11 and the worm wheel 12, the shaft 8 can be driven to rotate, so that the height of the pay-off frame 13 can be adjusted, thereby meeting the need to quickly lay the cable on the surface of the mounting bracket at different heights. It is easy to use and has strong adjustability.

[0032] A longitudinal limiting slide bar 18 is fixedly mounted on the inner wall of the mounting frame 14 , and the guide sleeve 15 is slidably connected to the surface of the longitudinal limiting slide bar 18 .

[0033] The surface of the guide sleeve 15 is threadedly connected to a limit screw 19 , and a plurality of limit holes 20 are equidistantly opened on the surface of the longitudinal limit slide 18 , and the threaded ends of the limit screw 19 are clamped inside the limit holes 20 .

[0034] Furthermore, by setting a longitudinal limit slide bar 18 and using the guide sleeve 15 to be slidably connected to the surface of the longitudinal limit slide bar 18, the position of the guide sleeve 15 can be further adjusted in the horizontal direction according to the position of the mounting bracket, and after the adjustment is completed, the position of the guide sleeve 15 can be positioned by using the limit screw 19 to be inserted into the limit hole 20.

[0035] A second hydraulic rod 22 is embedded in the top of the mounting frame 14 , and a lifting bracket 23 is fixedly mounted on the telescopic end of the second hydraulic rod 22 . A pressure roller 24 is rotatably connected to the inner wall of the lifting bracket 23 , and the position of the pressure roller 24 corresponds to that of the pay-off roller 16 .

[0036] Furthermore, by setting up a pressure roller 24 and using the pressure roller 24 to squeeze the cable, the friction between the cable and the pay-off roller 16 can be increased, thereby ensuring that the rotation of the pay-off roller 16 can drive the cable to move. By setting up a second hydraulic rod 22 and a lifting bracket 23, the second hydraulic rod 22 is used to extend and retract to drive the pressure roller 24 to move, and the distance between the pressure roller 24 and the pay-off roller 16 can be adjusted to meet the needs of using cables of different sizes.

[0037] A vertical limiting slide bar 25 is fixedly mounted on the top of the lifting bracket 23 , and the vertical limiting slide bar 25 is slidably connected to the mounting bracket 14 .

[0038] Furthermore, by providing the vertical limiting slide bar 25 , the stability of the lifting bracket 23 can be improved, thereby achieving the effect of anti-twisting protection for the telescopic end of the second hydraulic rod 22 .

[0039] Finally, it should be noted that the drawings of the disclosed embodiments of the present invention only involve structures related to the disclosed embodiments. Other structures can refer to general designs. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A lifting frame for laying building cables, comprising a movable base frame (1) and a cable reel (2), characterized in that: An opening is reserved on one side of the movable chassis (1) for the take-up drum (2) to roll in, two vertical plates (3) are symmetrically welded on the upper surface of the movable chassis (1), the take-up drum (2) is rotatably connected between the two vertical plates (3), and a lifting component and a wire-releasing component are respectively provided between the two vertical plates (3) corresponding to the take-up drum (2); The lifting assembly comprises a main shaft (4) rotatably connected to the surface of the vertical plate (3), a lifting frame (5) is welded to the adjacent ends of the two main shafts (4), a U-shaped groove (6) for the central axis of the take-up reel (2) to be placed is provided on the upper left of the lifting frame (5), a first hydraulic rod (7) is rotatably connected to the upper right of the movable base frame (1), and the telescopic end of the first hydraulic rod (7) is rotatably connected to the lower right of the lifting frame (5); The pay-off assembly includes a shaft (8) rotatably connected to the surface of the vertical plate (3), an adjusting box (9) is fixedly installed on the surface of the vertical plate (3) on the front side, a servo motor (10) is fixedly installed on the side wall of the adjusting box (9), an output shaft of the servo motor (10) extends to the inside of the adjusting box (9) and is fixedly installed with a worm (11), a worm gear (12) is fixedly installed on the shaft (8) inside the adjusting box (9), the worm gear (11) and the worm gear (12) are meshed with each other, a pay-off frame (13) is fixedly installed on the end close to the two shafts (8), a mounting frame (14) is fixedly installed on the top of the pay-off frame (13), a guide sleeve (15) and a pay-off roller (16) are respectively provided inside the mounting frame (14), a guide hole is opened on the surface of the guide sleeve (15), the pay-off roller (16) is rotatably connected to the mounting frame (14), and a reduction motor (21) for driving the pay-off roller (16) to rotate is fixedly installed on the back of the mounting frame (14).

2. A lifting frame for laying building cables according to claim 1, characterized in that: The lifting frame (5) includes a bracket section (501) arranged on the left side of the main shaft (4) and a lever section (502) on the right side of the main shaft (4). The lever section (502) is longer than the bracket section (501), and a U-shaped groove (6) is provided in the bracket section (501). The central axes of the U-shaped groove (6) and the main shaft (4) do not coincide. The telescopic end of the first hydraulic rod (7) is connected to the lever section (502).

3. The lifting frame for laying building cables according to claim 1, characterized in that: The surface of the vertical plate (3) is threadedly connected with a positioning screw (17), and a positioning hole is opened on the left surface of the lifting frame (5), and the polished rod section of the positioning screw (17) is clamped inside the positioning hole.

4. The lifting frame for laying building cables according to claim 1, characterized in that: A longitudinal limiting slide bar (18) is fixedly mounted on the inner wall of the mounting frame (14), and the guide sleeve (15) is slidably connected to the surface of the longitudinal limiting slide bar (18).

5. A lifting frame for laying building cables according to claim 4, characterized in that: The surface of the guide sleeve (15) is threadedly connected to a limiting screw (19), and a plurality of limiting holes (20) are equidistantly opened on the surface of the longitudinal limiting slide rod (18), and the threaded end of the limiting screw (19) is clamped inside the limiting hole (20).

6. The lifting frame for laying building cables according to claim 1, characterized in that: A second hydraulic rod (22) is embedded in the top end of the mounting frame (14), a lifting bracket (23) is fixedly installed on the telescopic end of the second hydraulic rod (22), and a pressure roller (24) is rotatably connected to the inner wall of the lifting bracket (23), and the position of the pressure roller (24) corresponds to that of the pay-off roller (16).

7. A lifting frame for laying building cables according to claim 6, characterized in that: A vertical limiting slide bar (25) is fixedly mounted on the top end of the lifting bracket (23), and the vertical limiting slide bar (25) is slidably connected to the mounting frame (14).

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