Variable frequency cable drum with adjustable elastic tension

Abstract

The utility model relates to the field of cable drum equipment, and discloses an elastic tension adjustable variable frequency cable drum, which comprises a bottom plate, four groups of universal wheels are fixedly mounted on the lower surface of the bottom plate, a push frame is fixedly connected to the right end of the upper surface of the bottom plate, and an electric telescopic rod is fixedly connected to the axis of the upper surface of the bottom plate. A power device is arranged on the upper surface of the electric telescopic rod, a winding drum assembly is arranged at the output end of the power device and comprises a winding drum frame, a limiting frame is fixedly connected to the right surface of the winding drum frame, and multiple sets of evenly-distributed limiting grooves are formed in the right surface of the limiting frame. According to the utility model, the parts in the winding drum assembly are matched with one another, so that the winding drum frame is separated and disassembled, the convenience of maintaining and replacing the winding drum frame by workers is improved, the whole winding drum frame is prevented from being replaced, the maintenance cost of the winding drum frame is reduced, and the practical effect of equipment is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable drum equipment field especially relates to a variable frequency cable drum of elastic tension adjustable. BACKGROUND

[0002] In the industry of electric power, communication and automation control, the cable drum as the storage and release device of cable, its performance and efficiency are directly related to the operation safety and stability of the whole system. When the traditional cable drum stores the cable, there are often problems such as uneven tension, easy damage to the cable outer skin, loose winding, especially in the occasion of frequent cable storage and release, these problems are particularly prominent.

[0003] Through the retrieval, the utility model discloses a novel variable frequency cable drum to solve the shortcomings of the prior art, such as large size, inconvenient production and assembly, inconvenient and insecure fixing of the rotating disc and uneven cable winding, technical scheme points are, including spliced rotating disc, electric control box, reduction box, servo motor, mounting plate and rotating disc clamping device, the spliced rotating disc is movably installed on the rotating disc clamping device, the output end of the servo motor is connected with the input end of the reduction box, the output end of the reduction box is connected with the rotating disc clamping device, the mounting plate is fixedly installed on the one side outer surface of the electric control box through the bolt, the reduction box is fixedly installed on the upper end outer surface of the electric control box, the spliced rotating disc includes first half disc and second half disc, a plurality of groups of L-shaped fixed plates are welded on the one side outer surface of the first half disc close to the second half disc.

[0004] The above-mentioned device has the following defects: when the outer wall support ring of the drum frame is irreversibly damaged, the whole drum frame often needs to be replaced, which greatly improves the maintenance cost of the drum frame, and the disassembly process of the whole drum frame is very tedious, time-consuming and laborious, and reduces the efficiency of the cable drum of the equipment, therefore, a variable frequency cable drum with adjustable elastic tension is proposed to solve the above-mentioned problems. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a variable frequency cable drum with adjustable elastic tension, which aims at improving the problem of inconvenient maintenance of the cable drum in the prior art.

[0006] To achieve the above object, the utility model discloses the following technical scheme: a kind of variable frequency cable reel of elastic tension adjustment, including bottom plate, the lower surface of the bottom plate is fixedly installed with four groups of universal wheels, the upper surface right end of the bottom plate is fixedly connected with push rack, the upper surface axial center of the bottom plate is fixedly connected with electric telescopic rod, the upper surface of the electric telescopic rod is provided with power device, the output of the power device is provided with reel assembly, the reel assembly includes reel frame, the right surface of the reel frame is fixedly connected with limit frame, the right surface of the limit frame is opened with multiple groups of evenly distributed limit slot, the inner ring of the reel frame is fixedly connected with reinforcing rib, the front surface of the reel frame is fixedly installed with fixed disc, the rear surface of the reel frame is fixedly installed with support ring, the upper surface of the bottom plate is close to electric telescopic rod Left and right sides are provided with auxiliary assembly.

[0007] As further description of the above technical solution: the auxiliary assembly includes auxiliary box, the inner wall bottom of the auxiliary box is fixedly connected with multiple clamping strips, the inner wall right end of the auxiliary box is fixedly connected with elastic plate, the inner wall upper surface of the auxiliary box is slidably connected with clamping block, the upper surface of the clamping block is hinged with inclined rod.

[0008] As further description of the above technical solution: the left surface of the limit frame is opened with multiple positioning holes, the inner wall of the positioning hole is detachably connected with fixed nut by fixed bolt.

[0009] As further description of the above technical solution: the fixed nut is detachably connected outside the positioning hole of the right surface of the limit frame.

[0010] As further description of the above technical solution: the inner wall recess of the fixed disc is fixedly installed in the output of the power device.

[0011] As further description of the above technical solution: the upper surface of the electric telescopic rod is fixedly connected with support table, the top of the inclined rod is hinged on the lower surface of support table, and the power device is fixedly installed on the upper surface of support table.

[0012] As further description of the above technical solution: the reel frame is detachably connected in the output of the power device through the fixed disc.

[0013] As further description of the above technical solution: the auxiliary box is fixedly connected on the left side of the upper surface of the bottom plate close to electric telescopic rod.

[0014] The utility model has the advantages of:

[0015] 1. In the utility model, through the mutual cooperation of the connecting relationship between the reel frame, the limiting frame, the fixed disc and other parts in the reel assembly, the separation and disassembly of the reel frame are realized, the convenience of the staff in maintaining and replacing the reel frame is improved, the need to replace the entire reel frame is avoided, the cost of maintaining the reel frame is reduced, and the practicality of the equipment is improved.

[0016] 2. In the utility model, through the mutual cooperation of the connecting relationship between the auxiliary box, the supporting table, the inclined rod and other parts in the auxiliary assembly, the fixing of the inclined rod is realized, a triangle is formed by the electric telescopic rod, the inclined rod and the auxiliary box, the stability of the equipment after the change of the center of gravity is compensated by the stability of the triangle, the phenomenon of tilting due to shaking during the lifting adjustment of the equipment is avoided, and the stability of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A main body front view area schematic diagram of the utility model is provided.

[0018] Figure 2 A main body side view area schematic diagram of the utility model is provided.

[0019] Figure 3 A reel frame local area parts explosion schematic diagram of the utility model is provided.

[0020] Figure 4 An auxiliary box local area sectional view schematic diagram of the utility model is provided.

[0021] LEGEND:

[0022] 1, bottom plate; 2, push frame; 3, universal wheel; 4, electric telescopic rod; 5, auxiliary assembly; 51, supporting table; 52, auxiliary box; 53, clamping strip; 54, elastic plate; 55, clamping block; 56, inclined rod; 6, power device; 7, reel assembly; 71, fixed disc; 72, fixed bolt; 73, positioning hole; 74, limiting groove; 75, limiting frame; 76, reel frame; 77, reinforcing rib; 78, supporting ring; 79, fixed nut. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Referring to Figure 1 - Figure 2 The utility model provides an embodiment: a kind of elastic tension adjustable frequency conversion cable reel, including bottom plate 1, bottom plate 1 plays the supporting effect to equipment, the lower surface of bottom plate 1 is fixedly installed with four groups of universal wheel 3, the upper surface right end of bottom plate 1 is fixedly connected with push rack 2, when equipment needs to be transferred, staff drives bottom plate 1 to shift by push rack 2, the setting of universal wheel 3 plays the convenient effect to equipment movement, improve the convenience when equipment moves, the upper surface pivot of bottom plate 1 is fixedly connected with electric telescopic handle 4, the upper surface of electric telescopic handle 4 is provided with power device 6, power device 6 is by frequency conversion motor, speed reducer, current collector, cable reel and electrical control box etc. Part component, reel and equipment are provided with running linkage protection device, can effectively prevent cable from being pulled off and other accidents occur, can maximumly prolong the service life of cable, the output torque of matched frequency converter can be accurately controlled motor, to ensure that cable is wound on reel, according to the change of winding radius and automatically carry out torque adjustment linear variation, ensure that cable tension is constant, maximumly protect cable, improve the protection of equipment when reel is wound to cable, the output end of power device 6 is provided with reel assembly 7, the upper surface of bottom plate 1 is close to the left and right sides of electric telescopic handle 4 and is provided with auxiliary assembly 5.

[0025] Referring to Figure 1 - Figure 3 When reel equipment needs to be maintained, start reel assembly 7, reel assembly 7 includes reel frame 76, reel frame 76 is detachably connected at the output end of power device 6 by fixed disc 71, staff removes fixed disc 71, the front surface of reel frame 76 is fixedly installed with fixed disc 71, fixed disc 71 is fixedly installed in the inner wall recess of the output end of power device 6, so that fixed disc 71 is detached from the output end of power device 6, fixed nut 79 is detachably connected outside the positioning hole 73 of the right surface of limiting frame 75, the inner wall of positioning hole 73 is detachably connected with fixed nut 79 by fixed bolt 72, by removing fixed nut 79 with tool, the right surface of reel frame 76 is fixedly connected with limiting frame 75, a plurality of positioning holes 73 are formed in the left surface of limiting frame 75, so that fixed bolt 72 is detached from positioning hole 73 under the action of tool, a plurality of evenly distributed limiting grooves 74 are formed in the right surface of limiting frame 75, the inner ring of reel frame 76 is fixedly connected with reinforcing rib 77, the limiting frame 75 is separated from limiting groove 74 by manual tension, so that reel frame 76 is divided into two parts, the rear surface of reel frame 76 is fixedly installed with support ring 78, the separation and disassembly of reel frame 76 are realized, the convenience of staff maintenance and replacement of reel frame 76 is improved, the need to replace the entire reel frame 76 is avoided, the cost of reel frame 76 maintenance is reduced, and the reel effect of equipment is enhanced.

[0026] Reference Figure 2 - Figure 4 When the equipment needs to be raised or lowered, the auxiliary component 5 is activated. The auxiliary component 5 includes an auxiliary box 52, which is fixedly connected to the upper surface of the base plate 1 near the left side of the electric telescopic rod 4. A support platform 51 is fixedly connected to the upper surface of the electric telescopic rod 4, and a power unit 6 is fixedly installed on the upper surface of the support platform 51. The upward movement of the electric telescopic rod 4 drives the support platform 51 to move upward, causing the inclined rod 56 to change displacement. The inclined rod 56 is hinged to the upper surface of the locking block 55, and the top of the inclined rod 56 is hinged to the lower surface of the support platform 51, causing the locking block 55 to move on the auxiliary box 52. The auxiliary box 52 has multiple sets of locking strips 53 fixedly connected to the bottom of its inner wall. When the electric telescopic rod 4 is raised and fixed, the locking block 55 works with the locking strips 53 to fix the diagonal rod 56. The right end of the inner wall of the auxiliary box 52 is fixedly connected to an elastic plate 54. The electric telescopic rod 4, the diagonal rod 56 and the auxiliary box 52 form a triangle. The upper surface of the inner wall of the auxiliary box 52 is slidably connected to the locking block 55. The stability of the triangle is used to compensate for the stability after the center of gravity of the equipment changes, and to avoid the phenomenon of tipping over due to shaking when the equipment is raised and lowered, thus improving the stability of the equipment.

[0027] Working principle: the power device 6 is composed of variable frequency motor, speed reducer, current collector, cable reel and electrical control box and other parts, the reel is provided with running linkage protection device with the equipment, which can effectively prevent the cable from being pulled off and other accidents, can maximize the service life of the cable, the matched frequency converter can accurately control the output torque of the motor, so that the cable is wound on the reel, the torque is automatically adjusted linearly according to the change of winding radius, the cable tension is constant, the cable is protected to the maximum extent, the protection of the equipment when winding the cable is improved, when the reel equipment needs to be maintained, the reel assembly 7 is started, the staff removes the fixed disc 71, the output end of the power device 6 is contacted, the fixed nut 79 is removed by tools, the fixed bolt 72 is removed from the positioning hole 73 under the action of tools, the limiting frame 75 is separated from the limiting groove 74 by manual tension, the reel frame 76 is separated into two parts, the separation and disassembly of the reel frame 76 are realized, the convenience of the staff in maintaining and replacing the reel frame 76 is improved, the whole reel frame 76 needs not to be replaced, the cost of maintaining the reel frame 76 is reduced, and the reel effect of the equipment is enhanced, when the equipment needs to be lifted and adjusted, the auxiliary assembly 5 is started, the electric telescopic rod 4 moves upward to drive the supporting table 51 to move upward, the inclined rod 56 is displaced, the clamping block 55 is displaced on the auxiliary box 52, when the electric telescopic rod 4 is lifted and fixed, the clamping block 55 cooperates with the clamping strip 53 to realize the fixing of the inclined rod 56, the electric telescopic rod 4 cooperates with the inclined rod 56 and the auxiliary box 52 to form a triangle, the stability of the triangle is used to compensate the stability of the equipment after the center of gravity is changed, the phenomenon of tilting of the equipment during lifting and adjusting is avoided, and the stability of the equipment is improved.

[0028] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A variable frequency cable drum with adjustable elastic tension, comprising a base plate (1), characterized in that: The lower surface of the bottom plate (1) is fixedly installed with four groups of universal wheels (3), the upper surface right end of the bottom plate (1) is fixedly connected with a push frame (2), the upper surface shaft center of the bottom plate (1) is fixedly connected with an electric telescopic rod (4), and the upper surface of the electric telescopic rod (4) is provided with a power device (6).

2. A variable frequency cable drum with adjustable elastic tension according to claim 1, characterized in that: The auxiliary assembly (5) comprises an auxiliary box (52), a plurality of clamping strips (53) are fixedly connected to the inner wall bottom of the auxiliary box (52), a elastic plate (54) is fixedly connected to the right end of the inner wall of the auxiliary box (52), a clamping block (55) is slidably connected to the upper surface of the inner wall of the auxiliary box (52), and an inclined rod (56) is hinged to the upper surface of the clamping block (55).

3. A variable frequency cable drum with adjustable elastic tension according to claim 1, characterized in that: A plurality of positioning holes (73) are formed in the left surface of the limiting frame (75), and a fixing nut (79) is detachably connected to the inner wall of the positioning hole (73) through a fixing bolt (72).

4. A variable frequency cable drum with adjustable elastic tension according to claim 3, characterized in that: The fixing nut (79) is detachably connected to the outer side of the positioning hole (73) on the right surface of the limiting frame (75).

5. A variable frequency cable drum with adjustable elastic tension according to claim 1, characterized in that: The inner wall groove of the fixing disc (71) is fixedly installed on the output end of the power device (6).

6. A variable frequency cable drum with adjustable elastic tension according to claim 2, characterized in that: The upper surface of the electric telescopic rod (4) is fixedly connected with a support table (51), the top of the inclined rod (56) is hinged to the lower surface of the support table (51), and the power device (6) is fixedly installed on the upper surface of the support table (51).

7. A variable frequency cable drum with adjustable elastic tension according to claim 1, characterized in that: The winding drum frame (76) is detachably connected to the output end of the power device (6) through the fixing disc (71).

8. A variable frequency cable drum with adjustable elastic tension according to claim 2, characterized in that: The auxiliary box (52) is fixedly connected to the left side of the upper surface of the bottom plate (1) close to the electric telescopic rod (4).

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