阅读说明：本技术 一种带有线路保护机构的机电设备安装架 (Electromechanical device mounting frame with circuit protection mechanism ) 是由 张军 *** 陈建荣 曹圣红 曹震 于 2020-05-25 设计创作，主要内容包括：本发明公开了一种带有线路保护机构的机电设备安装架,涉及机电设备安装辅助设备的技术领域,旨在解决机电设备的电源线会拖至地面,在地面摩擦,甚至卷入万向轮中；导致电源线损坏的技术问题,其技术方案要点是其包括底座,底座上表面固定有机电设备,机电设备上连接有带插头的电源线；底座的上表面设置有收线盘,收线盘的侧壁沿其周向设置有供电源线缠绕的限位槽；收线盘的下表面固定有转动轴,转动轴与底座转动连接；收线盘的上表面靠近其侧壁处设置有固定槽,电源线靠近插头处的侧壁位于固定槽中；电源线远离插头处的侧壁设置有减少电源线过度拉伸的限位装置,收线盘的侧壁设置止转装置；达到了减少电源线损坏的效果。(The invention discloses an electromechanical equipment mounting frame with a circuit protection mechanism, relates to the technical field of electromechanical equipment mounting auxiliary equipment, and aims to solve the problem that a power line of electromechanical equipment can be dragged to the ground, is rubbed on the ground and even is rolled into a universal wheel; the technical problem of power line damage is solved by the technical scheme that the power line damage prevention device comprises a base, wherein electromechanical equipment is fixed on the upper surface of the base, and a power line with a plug is connected to the electromechanical equipment; the upper surface of the base is provided with a take-up reel, and the side wall of the take-up reel is provided with a limit groove for winding a power line along the circumferential direction; a rotating shaft is fixed on the lower surface of the take-up reel and is rotatably connected with the base; a fixing groove is formed in the position, close to the side wall of the take-up reel, of the upper surface of the take-up reel, and a side wall, close to the plug, of the power line is located in the fixing groove; a limiting device for reducing the excessive stretching of the power line is arranged on the side wall of the power line far away from the plug, and a rotation stopping device is arranged on the side wall of the take-up reel; the effect of reducing the damage of the power line is achieved.)

1. An electromechanical equipment mounting frame with a circuit protection mechanism comprises a base (1), wherein electromechanical equipment (11) is fixed on the upper surface of the base (1), and a power line (111) with a plug (1111) is connected to the electromechanical equipment (11); the method is characterized in that: a take-up reel (12) is arranged on the upper surface of the base (1), and a limiting groove (121) for winding the power line (111) is formed in the side wall of the take-up reel (12) along the circumferential direction; a rotating shaft (122) is fixed on the lower surface of the take-up reel (12), and the rotating shaft (122) is rotatably connected with the base (1); a fixing groove (123) for a plug (1111) is formed in the position, close to the side wall, of the upper surface of the take-up reel (12), and the side wall, close to the plug (1111), of the power line (111) is located in the fixing groove (123); the side wall of the position, far away from the plug (1111), of the power line (111) is provided with a limiting device (2) for reducing the excessive stretching of the power line (111), and the side wall of the take-up reel (12) is provided with a rotation stopping device (3).

2. The electromechanical device mount with line protection mechanism of claim 1, wherein: the limiting device (2) comprises a limiting block (21) and a limiting rod (22), wherein a first mounting hole (211) for inserting the power line (111) is formed in the side wall, close to the direction of the take-up reel (12), of the limiting block (21) in a penetrating mode; the limiting rod (22) is located on the lower surface of the limiting block, and a limiting hole (15) for inserting the limiting rod (22) is formed in the upper surface of the base (1).

3. The electromechanical device mount with line protection mechanism of claim 2, wherein: the lower surface of the base (1) is provided with a plurality of rollers (13), the rotation stopping device (3) comprises a rotating motor (31) for starting the rotating shaft (122) to rotate and a rotation stopping switch (32) for controlling the rotating motor (31) to stop rotating, and the rotating motor (31) is fixed on the upper surface of the base (1); the inside wall and the gag lever post (22) clearance fit of spacing hole (15), the switch that splines (32) is fixed and is close to the inside wall of take-up reel (12) direction in spacing hole (15).

4. The electromechanical device mount with line protection mechanism of claim 3, wherein: the limiting rods (22) are provided with two limiting rods, and the rotation stopping switch (32) is located on the inner side wall of one limiting hole (15).

5. The electromechanical device mount with line protection mechanism of claim 1, wherein: a fixing block (4) is arranged at the position, close to the plug (1111), of the power line (111), a positioning groove (1231) is formed in the inner side wall of the fixing groove (123) in an inwards recessed mode, and a positioning block (41) capable of being inserted into the positioning groove (1231) is arranged on the side wall of the fixing block (4); and a fixing device (5) for fixing the fixing block (4) in the fixing groove (123) is arranged in the take-up reel (12).

6. The electromechanical device mount with line protection mechanism of claim 5, wherein: the fixing device (5) comprises an inserting rod (51), an elastic piece (52) and an abutting plate (53), wherein the inserting rod (51) penetrates through and is fixed at the central position of the abutting plate (53); the upper surface of the take-up reel (12) is provided with an insertion hole (124) communicated with the positioning groove (1231), and the inner side wall of the insertion hole (124) is inwards sunken to be provided with an insertion ring groove (1241); the abutting plate (53) and the elastic piece (52) are both positioned in the insertion ring groove (1241), and one end of the insertion rod (51) penetrates through the insertion hole (124) and is positioned above the take-up reel (12); the other end of the inserted rod (51) passes through the insertion hole (124) and is positioned in the positioning groove (1231), and the elastic piece (52) is wound outside the inserted rod (51); one end of the elastic piece (52) is abutted with the inner side wall of the insertion ring groove (1241), and the other end of the elastic piece is abutted with the side wall of the abutting plate (53); the side wall of the positioning block (41) is provided with a fixing hole (411) for inserting the insertion rod (51).

7. The electromechanical device mount with line protection mechanism of claim 6, wherein: the end wall of the insertion rod (51) above the take-up reel (12) is provided with a pulling ring (511) which is convenient for a worker to pull.

8. The electromechanical device mount with line protection mechanism of claim 3, wherein: a partition plate (6) is arranged between the take-up reel (12) and the rotating motor (31), and the partition plate (6) is fixed on the upper surface of the base (1); the lateral wall of baffle (6) orientation rotating motor (31) direction is provided with heat insulating mattress (61), the lateral wall that baffle (6) deviate from heat insulating mattress (61) direction is provided with blotter (62).

9. The electromechanical device mount with line protection mechanism of claim 1, wherein: the wire take-up reel (12) is externally provided with a dust cover (7), and the side wall of the dust cover (7) is provided with a plurality of air holes (71) along the thickness direction.

10. The electromechanical device mount with line protection mechanism of claim 9, wherein: a connecting plate (72) attached to the base (1) is arranged on the lower surface of the dust cover (7) along the circumferential direction of the dust cover, and an iron sheet (721) is arranged on the lower surface of the connecting plate (72); the upper surface of the base (1) is embedded with a magnetic part (16) which can be magnetically attracted with the iron sheet (721).

Technical Field

The invention relates to the technical field of electromechanical equipment installation auxiliary equipment, in particular to an electromechanical equipment installation frame with a circuit protection mechanism.

Background

Electromechanical devices generally refer to machinery, electrical appliances, and electrical automation equipment, and an electromechanical device mounting bracket is a fixed mount for mounting electromechanical devices.

The prior Chinese patent with publication number CN207034520U discloses an electromechanical equipment mounting frame, which comprises a body, wherein the body comprises a base, a universal wheel, a fixed block, a fastening block and a threaded rod, and the universal wheel is fixedly mounted on the lower surface of the base; the base is provided with air holes, slide rails are fixedly arranged among the air holes, and the slide rails are fixedly arranged on the upper surface of the base; the fixing blocks are fixedly arranged on two opposite angles on the upper surface of the base, the fastening block is connected with the slide rail in a sliding manner, and the threaded rod penetrates through the fixing blocks in a spiral manner to be fixedly connected with the fastening block; the electromechanical device is fixed through the fastening block and moved through the universal wheels.

The above prior art solutions have the following drawbacks: when the base moves through the universal wheels, the power cord of the electromechanical equipment can be dragged to the ground, and the power cord rubs on the ground and even is rolled into the universal wheels; causing damage to the power cord and thus being susceptible to improvement.

Disclosure of Invention

In view of the deficiencies of the prior art, it is an object of the present invention to provide an electromechanical device mounting block with a line protection mechanism that has the effect of reducing damage to the power line.

The above object of the present invention is achieved by the following technical solutions:

an electromechanical equipment mounting frame with a circuit protection mechanism comprises a base, wherein electromechanical equipment is fixed on the upper surface of the base, and a power line with a plug is connected to the electromechanical equipment; a take-up reel is arranged on the upper surface of the base, and a limit groove for winding a power line is formed in the side wall of the take-up reel along the circumferential direction of the take-up reel; a rotating shaft is fixed on the lower surface of the take-up reel and is rotatably connected with the base; a fixing groove for fixing a plug is formed in the position, close to the side wall, of the upper surface of the take-up reel, and the side wall, close to the plug, of the power line is located in the fixing groove; the side wall of the power line far away from the plug is provided with a limiting device for reducing the excessive stretching of the power line, and the side wall of the take-up reel is provided with a rotation stopping device.

By adopting the technical scheme, the electromechanical equipment is fixed on the upper surface of the base, and the power line of the electromechanical equipment is wound up through the winding disc; the worker inserts the side wall of the power line close to the plug into the fixing groove and fixes the power line by hand; at the moment, the take-up reel is rotated, and the power wire is rotated around the take-up reel and wound in the limiting groove; when the power line is stretched, the limiting device plays a role in reducing the over-stretching of the power line; at the moment, the take-up reel stops rotating through the rotation stopping device, so that the take-up of the power line is realized; when the base removes, the power cord is located the base and is in the rolling state, reduces the power cord and follows the landing on the base to reduce the damage of power cord.

The present invention in a preferred example may be further configured to: the limiting device comprises a limiting block and a limiting rod, wherein a first mounting hole for inserting a power line is arranged on the side wall, close to the direction of the take-up reel, of the limiting block in a penetrating manner; the limiting rod is located on the lower surface of the limiting block, and a limiting hole for inserting the limiting rod is formed in the upper surface of the base.

By adopting the technical scheme, the limiting device is used for reducing the situation that the power line is damaged due to the fact that the power line and the electromechanical equipment are excessively stretched; the limiting block is arranged on the side wall of the power line, and when the take-up reel takes up the wire to stretch the power line, the side wall of the limiting rod is abutted against the side wall of the limiting hole; at the moment, the power line cannot be stretched continuously, and the joint of the power line and the electromechanical equipment can be protected.

The present invention in a preferred example may be further configured to: the lower surface of the base is provided with a plurality of rollers, the rotation stopping device comprises a rotating motor for starting the rotating shaft to rotate and a rotation stopping switch for controlling the rotating motor to stop rotating, and the rotating motor is fixed on the upper surface of the base; the inside wall and the gag lever post clearance fit in spacing hole, the switch that splines is fixed at the inside wall that spacing hole is close to the take-up reel direction.

By adopting the technical scheme, the arrangement of the roller wheels can facilitate the movement of the base by workers through the roller wheels; on the other hand, a gap is formed between the lower surface of the base and the ground, so that the contact between a bevel gear and the ground when the rotating motor drives the take-up reel is reduced, and the take-up reel can rotate smoothly; when the power line take-up reel is tightened and cannot take up the wire continuously, the side wall of the limiting rod is abutted against the inner side wall of the limiting hole close to the direction of the take-up reel, the rotation stop switch is pressed, and the rotation motor is controlled to stop, so that rotation stop is realized; at this time, the power supply of the motor is turned off by the staff.

The present invention in a preferred example may be further configured to: the limiting rods are provided with two limiting rods, and the rotation stopping switch is located on the inner side wall of one limiting hole.

By adopting the technical scheme, the two limiting rods are arranged, so that the stability of the limiting block when the side wall of the limiting rod is abutted with the inner side wall of the limiting hole can be improved; the rotation stopping switch is arranged on the inner side wall of one of the limiting holes, and the control over the rotating motor is realized.

The present invention in a preferred example may be further configured to: a fixed block is arranged at the position, close to the plug, of the power line, the inner side wall of the fixed groove is inwards sunken to be provided with a positioning groove, and a positioning block capable of being inserted into the positioning groove is arranged on the side wall of the fixed block; the fixing device for fixing the fixing block in the fixing groove is arranged in the take-up reel.

By adopting the technical scheme, the positioning block is inserted into the positioning groove, so that the positioning of the fixing block in the fixing groove is realized; the positioning block is fixed in the positioning groove through the fixing device, so that the fixing of the fixing block in the fixing groove is realized; after the fixed block is fixed in the fixed slot, when the motor is rotated to drive the take-up reel to rotate, the power line rotates together with the take-up reel, and therefore take-up of the power line is achieved.

The present invention in a preferred example may be further configured to: the fixing device comprises an inserting rod, an elastic piece and a butt joint plate, and the inserting rod penetrates through and is fixed in the center of the butt joint plate; the upper surface of the take-up reel is provided with an insertion hole communicated with the positioning groove, and the inner side wall of the insertion hole is inwards sunken to form an insertion ring groove; the abutting plate and the elastic piece are both positioned in the insertion ring groove, and one end of the insertion rod penetrates through the insertion hole and is positioned above the take-up reel; the other end of the inserted bar penetrates through the insertion hole and is positioned in the positioning groove, and the elastic piece is wound outside the inserted bar; one end of the elastic piece is abutted with the inner side wall of the insertion ring groove, and the other end of the elastic piece is abutted with the side wall of the abutting plate; the lateral wall of locating piece is provided with the fixed orifices that supplies the inserted bar to insert.

By adopting the technical scheme, the worker pulls the inserted link in the direction away from the base, the end wall of the inserted link in the direction away from the hand of the worker moves out of the positioning groove, and the inserted link is positioned in the insertion hole; at the moment, the elastic piece is compressed, and a worker can insert the positioning block into the positioning groove; when the positioning block needs to be fixed by a worker, the inserting rod is loosened, the elastic piece recovers deformation, and the abutting plate is pushed until the side wall of the abutting plate abuts against the inner side wall of the inserting ring groove; because the fixed hole is communicated with the jack, the inserted bar enters the fixed hole from the jack and abuts against the inner side wall of the fixed hole; thereby realize the fixed of locating piece in the constant head tank, realize the fixed of power cord in the fixed slot.

The present invention in a preferred example may be further configured to: the end wall of the inserted bar above the take-up reel is provided with a pulling ring convenient for a worker to pull.

Considering that the size of the inserted rod is small, a worker is difficult to move the inserted rod in the jack; by adopting the technical scheme, the pull ring provides a stress point for workers; staff's accessible pulling pulls the ring, realizes the removal of inserted bar in the jack to realize the fixed of locating piece in the constant head tank.

The present invention in a preferred example may be further configured to: a partition plate is arranged between the take-up reel and the rotating motor and fixed on the upper surface of the base; the lateral wall that the baffle was towards rotating the motor direction is provided with the heat insulating mattress, the lateral wall that the baffle deviates from the heat insulating mattress direction is provided with the blotter.

By adopting the technical scheme, the take-up reel is separated from the rotating motor by the partition plate; due to the arrangement of the heat insulation pad, heat emitted by the motor can be effectively isolated, and the influence of the heat insulation pad on a power line on the take-up reel is reduced; when the rotating motor drives the take-up reel to rotate, the power line and the side wall of the partition plate are impacted; the setting of blotter can reduce the impact force that produces after taking place the striking between power cord and the baffle, plays the effect of buffering and protection.

The present invention in a preferred example may be further configured to: the take-up reel is provided with a dust cover on the outside, and the side wall of the dust cover is provided with a plurality of air holes along the thickness direction.

By adopting the technical scheme, the dustproof cover is used for preventing dust of the power line and the plug, so that the condition that the power line and the plug are dirty is reduced; the air holes enable the interior of the dust cover to be communicated with the exterior, so that the ventilation effect is realized, and the temperature rise of the power line is reduced.

The present invention in a preferred example may be further configured to: the lower surface of the dust cover is provided with a connecting plate which is attached to the base along the circumferential direction of the dust cover, and the lower surface of the connecting plate is provided with an iron sheet; the upper surface of the base is embedded with a magnetic part which can be magnetically attracted with the iron sheet.

By adopting the technical scheme, the connecting plate is magnetically attracted with the magnetic part through the iron sheet, so that the dust cover is detachably and fixedly connected with the base; reduce the base and drag the in-process because of rocking for the dust cover is from the condition that the base dropped.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the electromechanical device is fixed on the upper surface of the base, and a power line of the electromechanical device is wound up through the winding disc; the worker inserts the side wall of the power line close to the plug into the fixing groove and fixes the power line by hand; at the moment, the take-up reel is rotated, and the power wire is rotated around the take-up reel and wound in the limiting groove; when the power line is stretched, the limiting device plays a role in reducing the over-stretching of the power line; at the moment, the take-up reel stops rotating through the rotation stopping device, so that the take-up of the power line is realized; when the base moves, the power line is positioned on the base and is in a rolling state, so that the power line is prevented from sliding off the base, and the damage to the power line is reduced;

2. the worker pulls the inserted link in the direction away from the base, the end wall of the inserted link in the direction away from the hand of the worker moves out of the positioning groove, and the inserted link is positioned in the insertion hole; at the moment, the elastic piece is compressed, and a worker can insert the positioning block into the positioning groove; when the positioning block needs to be fixed by a worker, the inserting rod is loosened, the elastic piece recovers deformation, and the abutting plate is pushed until the side wall of the abutting plate abuts against the inner side wall of the inserting ring groove; because the fixed hole is communicated with the jack, the inserted bar enters the fixed hole from the jack and abuts against the inner side wall of the fixed hole; thereby realize the fixed of locating piece in the constant head tank, realize the fixed of power cord in the fixed slot.

Drawings

FIG. 1 is a schematic diagram of an electromechanical device mounting block with a circuit protection mechanism according to an embodiment;

FIG. 2 is a schematic view showing a positional relationship between a rotating motor and a partition in the embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of an electromechanical device mounting block with a line protection mechanism according to an embodiment;

fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.

In the figure, 1, a base; 11. an electromechanical device; 111. a power line; 1111. a plug; 12. a take-up reel; 121. a limiting groove; 122. a rotating shaft; 1221. a first bevel gear; 123. fixing grooves; 1231. positioning a groove; 124. a jack; 1241. inserting the ring groove; 13. a roller; 14. connecting grooves; 141. mounting a cover; 1411. a connecting rod; 15. a limiting hole; 16. a magnetic member; 2. a limiting device; 21. a limiting block; 211. a first mounting hole; 212. a limiting half plate; 22. a limiting rod; 3. a rotation stopping device; 31. rotating the motor; 311. a second bevel gear; 32. a rotation stop switch; 4. a fixed block; 41. positioning blocks; 411. a fixing hole; 42. a second mounting hole; 5. a fixing device; 51. inserting a rod; 511. pulling the ring; 52. an elastic member; 53. a butt joint plate; 6. a partition plate; 61. a heat insulating pad; 62. a cushion pad; 7. a dust cover; 71. air holes are formed; 72. a connecting plate; 721. iron sheets.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the electromechanical device 11 mounting rack with the circuit protection mechanism disclosed by the invention comprises a base 1, wherein the electromechanical device 11 is fixed on the upper surface of the base 1 through bolts; the lower surface of the base 1 is fixed with a plurality of rollers 13 through screws, and the rollers 13 are preferably universal wheels.

Referring to fig. 1 and 2, a take-up reel 12 is arranged on the upper surface of a base 1, a rotating shaft 122 is welded on the lower surface of the take-up reel 12, and the rotating shaft 122 is rotatably connected with the base 1 through a bearing; the side wall of the take-up reel 12 is provided with a rotation stopping device 3, and the rotation stopping device 3 comprises a rotating motor 31 for driving a rotating shaft 122 to rotate and a rotation stopping switch 32 for controlling the rotating motor 31 to stop rotating; the rotating motor 31 is fixed on the upper surface of the base 1 through bolts, a first bevel gear 1221 which rotates coaxially with the rotating shaft 122 is welded on the lower surface of the take-up reel 12, and a second bevel gear 311 is welded on the lower surface of the base 1 of a motor shaft; a connecting groove 14 for mounting the first bevel gear 1221 and the second bevel gear 311 is arranged on the lower surface of the base 1 in a penetrating manner along the thickness direction of the lower surface, and a mounting cover 141 is fixed on the lower surface of the base 1 close to the connecting groove 14 through screws; the inner side wall of the mounting cover 141 is rotatably connected with a connecting rod 1411 through a bearing seat, and two ends of the connecting rod 1411 are respectively welded with a bevel gear engaged with the first bevel gear 1221 and the second bevel gear 311; the first bevel gear 1221 and the second bevel gear 311 are provided with gaps with the ground, respectively.

Referring to fig. 1 and 2, the electromechanical device 11 is connected with a power line 111 with a plug 1111, and a side wall of the take-up reel 12 is provided with a limiting groove 121 along an axial direction thereof, wherein the limiting groove 121 is used for winding the power line 111; a dust cover 7 is arranged outside the take-up reel 12, and a connecting plate 72 which is attached to the base 1 is integrally formed on the lower surface of the dust cover 7 along the circumferential direction of the dust cover; an iron sheet 721 is adhered to the lower surface of the connecting plate 72, and the iron sheet 721 is preferably made of galvanized iron; the upper surface of the base 1 is embedded with a magnetic part 16 around the circumference of the take-up reel 12, and the magnetic part 16 is preferably a magnet; the magnetic part 16 and the iron sheet 721 are magnetically attracted to realize the dust prevention of the take-up reel 12; the side wall of the dust cover 7 is provided with a plurality of air holes 71 along the thickness direction, so that the heat generation of the power line 111 is reduced.

Referring to fig. 1, a partition plate 6 is arranged between the take-up reel 12 and the rotating motor 31, and the partition plate 6 is fixed on the upper surface of the base 1 through screws; a heat insulation pad 61 is adhered to the side wall of the partition plate 6 facing the rotating motor 31, the heat insulation pad 61 is preferably made of asbestos, and the influence of the heat generated by the rotating motor 31 on the power cord 111 is reduced; a cushion pad 62 is adhered to a side wall of the partition board 6 facing away from the heat insulating pad 61, and the cushion pad 62 is preferably made of rubber, so as to reduce impact force generated by collision between the power cord 111 and the partition board 6 when the power cord is wound.

Referring to fig. 2 and 3, a side wall of the power line 111 far away from the plug 1111 is provided with a limiting device 2 for reducing the overstretching of the power line 111, and the limiting device 2 comprises a limiting block 21 and a limiting rod 22; a first mounting hole 211 for inserting the power line 111 is formed in the side wall of the limiting block 21 close to the direction of the take-up reel 12 in a penetrating manner, the limiting block 21 is composed of two limiting half plates 212, and the power line 111 is fixedly adhered to the inner side wall of the first mounting hole 211; the limiting rod 22 is fixed on the lower surface of the limiting block 21 through a bolt, and the upper surface of the base 1 is provided with a limiting hole 15 for the limiting rod 22 to be inserted into.

Referring to fig. 3, the inner side wall of the limiting hole 15 is in clearance fit with the limiting rod 22, and the rotation stop switch 32 is fixed on the inner side wall of the limiting hole 15 in the direction close to the take-up reel 12 through a screw; two limiting rods 22 are arranged, and the two limiting rods 22 are fixed on the lower surfaces of the limiting blocks; the rotation stop switch 32 is located on the inner side wall of one of the limiting holes 15, and the rotation stop switch 32 is connected with the rotating motor 31 through a lead.

Referring to fig. 4 and 5, a fixing groove 123 for fixing the plug 1111 is formed on the upper surface of the take-up reel 12 near the sidewall thereof, and the sidewall of the power line 111 near the plug 1111 is located in the fixing groove 123; a fixed block 4 is fixedly bonded to the outer part of the side wall of the power line 111 close to the plug 1111, and a second mounting hole 42 for the power line 111 to pass through is arranged in the fixed block 4 in a penetrating manner along the width direction; the inner side wall of the fixing groove 123 is provided with a positioning groove 1231 in an inward concave manner, and the side wall of the fixing block 4 is integrally formed with a positioning block 41 which can be inserted into the positioning groove 1231; the inside of the take-up reel 12 is provided with a fixing device 5 that fixes the fixing block 4 in the fixing groove 123.

Referring to fig. 4 and 5, the upper surface of the take-up reel 12 is provided with an insertion hole 124 communicated with the positioning groove 1231, and the inner side wall of the insertion hole 124 is inwardly recessed to be provided with an insertion ring groove 1241; the fixing device 5 comprises an insertion rod 51, an elastic member 52 and an abutment plate 53, the elastic member 52 is preferably a spring; the insertion rod 51 and the abutting plate 53 are fixed through screws, and the insertion rod 51 penetrates through and is fixed at the center position of the abutting plate 53; the abutting plate 53 and the elastic piece 52 are both positioned in the insertion groove 1241, and the elastic piece 52 is wound outside the insertion rod 51; one end of the elastic element 52 is abutted against the inner side wall of the insert ring groove 1241, and the other end is abutted against the side wall of the abutting plate 53, at this time, the side wall of the abutting plate 53 far away from the elastic element 52 is abutted against the inner side wall of the insert ring groove 1241; one end of the inserting rod 51 passes through the inserting hole 124 and is positioned above the take-up reel 12, and the other end of the inserting rod 51 passes through the inserting hole 124 and is positioned in the positioning groove 1231; the side wall of the positioning block 41 is provided with a fixing hole 411 for inserting the insertion rod 51, and the end wall of the insertion rod 51 above the take-up reel 12 is welded with a pull ring 511, so that the worker can pull the insertion rod 51 conveniently.

The implementation principle of the embodiment is as follows: the worker inserts the limiting rod 22 into the limiting hole 15, inserts the fixing block 4 into the fixing groove 123, and then starts the rotating motor 31; the rotating motor 31 drives the take-up reel 12 to rotate, and the power line 111 is wound in the limiting groove 121; when the power line 111 is stretched and the side wall of the limit rod 22 abuts against the inner side wall of the limit hole 15, the rotation stop switch 32 is pressed and started under the abutting action of the limit rod 22; at this time, the rotation stop switch 32 controls the rotation motor 31 to stop rotating, and the worker can turn off the power supply of the rotation motor 31 to wind the power line 111; after the dustproof cover 7 is covered, the base 1 can be moved; the power cord 111 is located on the base 1 and in a rolling state, so that the power cord 111 can be prevented from sliding off the base 1, and damage to the power cord 111 is reduced.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.