A braking device for cable drum deployment

Abstract

The present invention discloses a braking device for deploying a cable drum, comprising two saddle-shaped bases arranged opposite to each other, the saddle-shaped base comprising a base frame, one end of the base frame is provided with a fixed support seat, and the other end of the base frame is provided with a movable support seat; the fixed support seat and the movable support seat are both provided with a driving roller for mounting a flange at the end of the cable drum, and the fixed support seat and the movable support seat are both provided with a driving mechanism for driving the driving roller; the base frame is provided with a braking mechanism for stopping the flange at the end of the cable drum between the fixed support seat and the movable support seat. The present invention stops the flange by providing a braking mechanism, truly realizing the "free retraction and release" of the cable, and eliminating the potential safety hazard of the cable drum detaching during the process of retracting and releasing the cable.

Description

Technical Field

[0001] The invention relates to the field of cable drum unwinding, in particular to a braking device for unwinding a cable drum. Background Art

[0002] In electrical equipment installation projects, cable laying is one of the main tasks during the construction process. To ensure the quality of construction, it is generally necessary to set up the cable drum during cable laying to facilitate the rotation of the drum body, avoid damage to the cable due to torque or affect the aesthetics of cable laying; the existing traditional cable drum laying devices mostly have no independent braking system, the upper drum height is 4 to 5 meters, workers are time-consuming and laborious working at high altitudes, and there is a safety hazard of the cable drum detaching during the process of retracting and releasing the cable. Therefore, we have made improvements to this and proposed a braking device for cable drum deployment. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0004] The present invention provides a braking device for unfolding a cable drum, comprising two saddle-shaped bases arranged opposite to each other, wherein the saddle-shaped base comprises a base frame, a fixed support seat is provided at one end of the base frame, and a movable support seat is provided at the other end of the base frame; the fixed support seat and the movable support seat are both provided with driving rollers for mounting a flange at the end of the cable drum, and the fixed support seat and the movable support seat are both provided with driving mechanisms for driving the driving rollers; the base frame is provided with a braking mechanism for stopping the flange at the end of the cable drum between the fixed support seat and the movable support seat.

[0005] As a preferred technical solution of the present invention, the braking mechanism includes a positioning plate fixed on the base frame, and electromagnetic braking mechanisms are provided at both ends of the positioning plate.

[0006] As a preferred technical solution of the present invention, the electromagnetic brake mechanism includes a base arranged on a positioning plate, an electromagnet is provided on the base, a brake block is provided on the base, a vertically upward limiting rod is provided on the brake block, a limiting hole is provided on the base for the limiting rod to pass through, and a limiting block is provided at the end of the limiting rod passing through the limiting hole; the brake block is provided with a magnet block that magnetically repels the electromagnet.

[0007] As a preferred technical solution of the present invention, the brake block is provided with a wool felt layer in contact with the flange at the end of the cable drum, and the wool felt layer is fixed to the brake block via lateral positioning bolts.

[0008] As a preferred technical solution of the present invention, a slider is provided at the bottom of the base, limiting guide rails are provided on both sides of the positioning plate, a sliding groove sliding along the limiting guide rails is provided on the slider, and a lifting adjustment mechanism is provided between the slider, the limiting guide rails and the base, and the lifting adjustment mechanism includes a scissor-fork type lifting frame arranged between the slider and the base.

[0009] As a preferred technical solution of the present invention, an anti-slip outer ring is provided at the outer end of the driving roller.

[0010] As a preferred technical solution of the present invention, a lateral pressure detection mechanism for detecting the lateral pressure of the flange at the end of the cable reel is provided on the movable support seat, and the lateral pressure detection mechanism includes a first bracket connected to the movable support seat, and a second bracket connected to the base frame, a horizontally arranged support platform is provided between the top ends of the first bracket and the second bracket, a movable platform sliding along the support platform and facing the flange at the end of the cable reel is provided on the support platform, a manual adjustment screw is provided at the bottom of the support platform, a movable block moving along the manual adjustment screw is provided on the manual adjustment screw, the movable block is fixed to the bottom of the movable platform, and a pressure detection mechanism is provided on the movable platform.

[0011] As a preferred technical solution of the present invention, the pressure detection mechanism includes a detection box arranged on a mobile platform, the pressure detection mechanism includes a detection box arranged on the mobile platform, the detection box is provided with a notch for inserting a flange at the end of the cable drum, and a pressure detection unit for detecting the lateral pressure of the flange is provided on the side wall of the notch, the pressure detection unit includes a manual screw arranged on the detection box, a detection block is provided at the end of the manual screw, a pressure sensor is provided on the inner side of the detection block, a substrate is provided on the outer side of the pressure sensor, a detection plate is provided on the outer side of the substrate via a spring, and a ball contacting the side edge of the flange is provided on the outer side of the detection plate.

[0012] The beneficial effects of the present invention are as follows: 1. The braking device for unfolding the cable drum is provided with a driving roller for mounting a flange at the end of the cable drum on both the fixed support seat and the movable support seat. The flange is driven to rotate by the driving roller, thereby driving the cable drum to rotate to realize the wire-laying work, and a brake mechanism for stopping the flange at the end of the cable drum is provided on the base frame to stop the flange, thereby truly realizing the "free retraction and release" of the cable and eliminating the safety hazard of the cable drum detaching during the process of retracting and releasing the wire.

[0013] 2. In this type of cable drum deployment brake device, the cable drum is stopped by setting a specific brake mechanism. When stopping, the electromagnet is energized, and the electromagnet generates a polarity that repels the magnetism of the electromagnet, which pushes the brake block up and down, so that the wool felt layer on the brake block fits tightly with the flange of the cable drum, thereby playing a stopping role, and the vibration generated during the stopping process will not have an adverse effect on the electromagnet device. The electromagnetic brake mechanism can be moved to facilitate position adjustment according to cable drums of different sizes, and a lifting and adjusting mechanism is provided between the slider and the base. The lifting and adjusting mechanism includes a scissor-fork lifting frame provided between the slider and the base, which is convenient for height adjustment according to cable drums of different sizes, and convenient for the entire electromagnetic brake mechanism to dock with the cable drum.

[0014] 3. In this type of cable drum deployment brake device, a lateral pressure detection mechanism is provided to detect the lateral force of the cable drum during the release process, which effectively avoids the driving roller driving speed being too fast, which easily causes the cable drum to detach from the saddle-shaped base, and increases the safety and stability of use. The lateral pressure detection mechanism can be adjusted by a manual screw, which is convenient for detecting the lateral pressure of cable drums of different specifications. The pressure detection unit includes a manual screw arranged on the detection block, a detection block is provided at the end of the manual screw, a pressure sensor is provided on the inner side of the detection block, a substrate is provided on the outer side of the pressure sensor, a detection plate is provided on the outer side of the substrate via a spring, and a ball contacting the side of the flange is provided on the outer side of the detection plate, which effectively reduces the friction between the pressure detection unit and the flange of the cable drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the installation of a brake mechanism of a brake device for deploying a cable drum according to the present invention;

[0017] Figure 2 It is a structural schematic diagram of a brake mechanism of a brake device for deploying a cable drum according to the present invention;

[0018] Figure 3 It is a structural schematic diagram of a slider of a cable drum deployment braking device of the present invention;

[0019] Figure 4 It is a partial structural schematic diagram of a lateral pressure detection mechanism of a cable drum deployment braking device of the present invention;

[0020] Figure 5The present invention is a schematic structural diagram of a pressure detection unit of a braking device for deploying a cable drum.

[0021] In the figure: 2, chassis; 3, fixed support seat; 4, movable support seat; 5, driving roller; 7, driving mechanism; 8, braking mechanism; 9, positioning plate; 10, electromagnetic brake mechanism; 11, base; 12, electromagnet; 13, brake block; 14, limit rod; 15, limit hole; 16, limit block; 17, magnet block; 18, wool felt layer; 19, lateral positioning bolt; 20, slider; 21, limit guide rail; 22, slide groove; 24, lateral pressure detection mechanism; 25, first bracket; 26, second bracket; 27, support platform; 28, moving platform; 29, manual adjustment screw; 30, moving block; 31, pressure detection mechanism; 32, detection box; 33, notch; 34, pressure detection unit; 35, manual screw; 36, detection block; 37, pressure sensor; 38, substrate; 39, spring; 40, detection plate; 41, ball bearing. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1-5 As shown, a braking device for unfolding a cable drum of the present invention comprises two saddle-shaped bases arranged opposite to each other, the saddle-shaped base comprises a base frame 2, characterized in that: a fixed support seat 3 is provided at one end of the base frame 2, and a movable support seat 4 is provided at the other end of the base frame 2; a driving roller 5 for mounting a flange at the end of the cable drum is provided on the fixed support seat 3 and the movable support seat 4, and a driving mechanism 7 for driving the driving roller 5 is provided on the fixed support seat 3 and the movable support seat 4; a braking mechanism 8 for stopping the flange at the end of the cable drum is provided between the fixed support seat 3 and the movable support seat 4, a driving roller 5 for mounting the flange at the end of the cable drum is provided on the fixed support seat 3 and the movable support seat 4, the flange is driven to rotate by the driving roller 5, and then the cable drum is driven to rotate to realize the wire release work, and a brake mechanism for stopping the flange at the end of the cable drum is provided on the base frame 2 to stop the flange, so as to truly realize the "free retraction and release" of the cable, and eliminate the potential safety hazard of the cable drum detaching during the process of retracting and releasing the wire.

[0024] The braking mechanism 8 includes a positioning plate 9 fixed on the base frame 2 , and electromagnetic braking mechanisms 10 are provided at both ends of the positioning plate 9 .

[0025] The electromagnetic brake mechanism 10 includes a base 11 disposed on the positioning plate 9, an electromagnet 12 is disposed on the base 11, a brake block 13 is disposed on the base 11, a vertically upward limiting rod 14 is disposed on the brake block 13, a limiting hole 15 is disposed on the base 11 for the limiting rod 14 to pass through, and a limiting block 16 is disposed at the end of the limiting rod 14 passing through the limiting hole 15; a magnet block 17 that magnetically repels the electromagnet 12 is disposed on the brake block 13. The brake block 13 is provided with a wool felt layer 18 that contacts the flange at the end of the cable drum, and the wool felt layer 18 is fixed to the brake block 13 via a lateral positioning bolt 19. A slider 20 is provided at the bottom of the base 11, and limiting guide rails 21 are provided on both sides of the positioning plate 9. A slide groove 22 is provided on the slider 20 for sliding along the limiting guide rail 21, and a manual bolt is provided on the slider 20 for fixing the slider 20 and the limiting guide rail 21. A lifting and lowering adjustment mechanism is provided between the slider 20 and the base 11, and the lifting and lowering adjustment mechanism includes a scissor-fork type lifting frame provided between the slider and the base. The cable drum is stopped by providing a specific brake mechanism. When stopping, the electromagnet 12 is energized, and the electromagnet 12 generates a polarity that repels the magnetism of the electromagnet 12, and the brake block 13 is pushed up and down, so that the wool felt layer 18 on the brake block 13 is tightly fitted with the flange of the cable drum, thereby playing a stopping role, and the vibration generated during the stopping process will not have an adverse effect on the electromagnet 12 device. The electromagnetic brake mechanism 10 can be moved to facilitate position adjustment according to cable reels of different sizes, and a lifting and adjusting mechanism is provided between the slider 20 and the base 11. The lifting and adjusting mechanism includes a scissor-fork lifting frame arranged between the slider 20 and the base 11, which is convenient for height adjustment according to cable reels of different sizes, and facilitates the docking of the entire electromagnetic brake mechanism 10 with the cable reel.

[0026] Wherein, the outer end of the driving roller 5 is provided with an anti-slip outer ring.

[0027] The movable support seat 4 is provided with a lateral pressure detection mechanism 24 for detecting the lateral pressure of the flange at the end of the cable drum. The lateral pressure detection mechanism 24 includes a first bracket 25 connected to the movable support seat 4, and a second bracket 26 connected to the base frame 2. A horizontally arranged support platform 27 is provided between the top ends of the first bracket 25 and the second bracket 26. The support platform 27 is provided with a moving platform 28 that slides along the support platform 27 and faces the flange at the end of the cable drum. A manual adjustment screw rod 29 is provided at the bottom of the support platform 27. A moving block 30 that moves along the manual adjustment screw rod 29 is provided on the manual adjustment screw rod 29. The moving block 30 is fixed to the bottom of the moving platform 28. The moving platform 28 is provided with a pressure detection mechanism 31. The pressure detection mechanism 31 includes a detection box 32 arranged on the moving platform 28, and the detection box 32 is provided with a slot 33 for inserting the flange at the end of the cable drum, and the side wall of the slot 33 is provided with a pressure detection unit 34 for lateral pressure detection of the flange. The pressure detection unit 34 includes a manual screw 35 arranged on the detection box 32, and a detection block 36 is provided at the end of the manual screw 35. A pressure sensor 37 is provided on the inner side of the detection block 36, and a substrate 38 is provided on the outer side of the pressure sensor 37. A detection plate 40 is provided on the outer side of the substrate 38 via a spring 39, and a ball 41 in contact with the side of the flange is provided on the outer side of the detection plate 40. In this type of cable drum deployment brake device, a lateral pressure detection mechanism is set to detect the lateral force of the cable drum during the wire release process, which effectively avoids the driving speed of the driving roller 5 being too fast, which easily causes the cable drum to detach from the saddle-shaped base, increases the safety and stability of use, and the lateral pressure detection mechanism 24 can be adjusted by a manual screw 35, which is convenient for detecting the lateral pressure of cable drums of different specifications. The pressure detection unit 34 includes a manual screw 35 set on a detection block 36, the end of the manual screw 35 is provided with a detection block 36, the inner side of the detection block 36 is provided with a pressure sensor 37, the outer side of the pressure sensor 37 is provided with a substrate 38, the outer side of the substrate 38 is provided with a detection plate 40 through a spring 39, and the outer side of the detection plate 40 is provided with a ball 41 that contacts the side of the flange, effectively reducing the friction between the pressure detection unit 34 and the flange of the cable drum.

[0028] Working principle: A driving roller 5 for mounting the flange at the end of the cable drum is provided on both the fixed support seat 3 and the movable support seat 4. The flange is driven to rotate by the driving roller 5, and then the cable drum is driven to rotate to realize the wire-laying work. A brake mechanism for stopping the flange at the end of the cable drum is provided on the base frame 2 to stop the flange, so as to truly realize the "free retraction and release" of the cable, and eliminate the safety hazard of the cable drum detaching during the process of retracting and releasing the wire. The cable drum is stopped by setting a specific brake mechanism. When stopping, the electromagnet 12 is energized, and the electromagnet 12 generates a polarity that repels the magnetism of the electromagnet 12, which pushes the brake block 13 to move up and down, so that the wool felt layer 18 on the brake block 13 fits tightly with the flange of the cable drum, thereby playing a stopping role, and the vibration generated during the stopping process will not have an adverse effect on the electromagnet 12 device. The electromagnetic brake mechanism 10 can be moved to facilitate position adjustment according to cable reels of different sizes, and a lifting and adjusting mechanism is provided between the slider 20 and the base 11. The lifting and adjusting mechanism includes a scissor-fork lifting frame arranged between the slider 20 and the base 11, which is convenient for height adjustment according to cable reels of different sizes, and facilitates the docking of the entire electromagnetic brake mechanism 10 with the cable reel.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A braking device for deploying a cable drum, comprising two saddle-shaped bases arranged opposite to each other, the saddle-shaped bases comprising a base frame (2), characterized in that: A fixed support seat (3) is provided at one end of the base frame (2), and a movable support seat (4) is provided at the other end of the base frame (2); a driving roller (5) for mounting a flange at the end of the cable drum is provided on the fixed support seat (3) and the movable support seat (4); a driving mechanism (7) for driving the driving roller (5) is provided on the fixed support seat (3) and the movable support seat (4); a braking mechanism (8) for stopping the flange at the end of the cable drum is provided on the base frame (2) between the fixed support seat (3) and the movable support seat (4); The braking mechanism (8) comprises a positioning plate (9) fixed on the base frame (2), and electromagnetic braking mechanisms (10) are provided at both ends of the positioning plate (9); The electromagnetic brake mechanism (10) comprises a base (11) arranged on a positioning plate (9), an electromagnet (12) being arranged on the base (11), a brake block (13) being arranged on the base (11), a limit rod (14) extending vertically upward being arranged on the brake block (13), a limit hole (15) being arranged on the base (11) for the limit rod (14) to pass through, and a limit block (16) being arranged at the end of the limit rod (14) passing through the limit hole (15); and a magnet block (17) being arranged on the brake block (13) to repel the electromagnet (12) magnetically. The movable support seat (4) is provided with a lateral pressure detection mechanism (24) for detecting the lateral pressure of the flange at the end of the cable drum. The lateral pressure detection mechanism (24) comprises a first bracket (25) connected to the movable support seat (4), and a second bracket (26) connected to the base frame (2). A horizontally arranged support platform (27) is provided between the top ends of the first bracket (25) and the second bracket (26). The support platform (27) is provided with a moving platform (28) that slides along the support platform (27) and faces the flange at the end of the cable drum. A manual adjustment screw rod (29) is provided at the bottom of the support platform (27). A moving block (30) that moves along the manual adjustment screw rod (29) is provided on the manual adjustment screw rod (29). The moving block (30) is fixed to the bottom of the moving platform (28). The moving platform (28) is provided with a pressure detection mechanism (31). The pressure detection mechanism (31) comprises a detection box (32) arranged on a movable platform (28), the detection box (32) being provided with a notch (33) for inserting a flange at the end of a cable drum, and a pressure detection unit (34) for detecting the lateral pressure of the flange being provided on a side wall of the notch (33), the pressure detection unit (34) comprising a manual screw (35) arranged on the detection box (32), a detection block (36) being provided at the end of the manual screw (35), a pressure sensor (37) being provided on the inner side of the detection block (36), a base plate (38) being provided on the outer side of the pressure sensor (37), a detection plate (40) being provided on the outer side of the base plate (38) via a spring (39), and a ball (41) being provided on the outer side of the detection plate (40) for contacting the side edge of the flange.

2. A cable drum deployment braking device according to claim 1, characterized in that: The brake block (13) is provided with a wool felt layer (18) that contacts the flange at the end of the cable drum, and the wool felt layer (18) is fixed to the brake block (13) via a lateral positioning bolt (19).

3. A cable drum deployment braking device according to claim 1, characterized in that: A slider (20) is provided at the bottom of the base (11), and limiting guide rails (21) are provided on both sides of the positioning plate (9). The slider (20) is provided with a slide groove (22) that slides along the limiting guide rail (21), and the slider (20) is provided with a manual bolt that fixes the slider (20) and the limiting guide rail (21).

4. A cable drum deployment braking device according to claim 3, characterized in that: A lifting and lowering adjustment mechanism is provided between the slider (20) and the base (11), and the lifting and lowering adjustment mechanism comprises a scissor-fork type lifting frame provided between the slider and the base.

5. A cable drum deployment braking device according to claim 1, characterized in that: The outer end of the driving roller (5) is provided with an anti-slip outer ring.

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