A safety protection device for electrical construction

Abstract

The present invention relates to the technical field of electrical construction, and particularly relates to a safety protection device for electrical construction, including a frame assembly and a protection assembly. The protection assembly is arranged at the lower part of the frame assembly. The protection assembly includes a sliding part, a clamping part, a wire cutting part and a leakage detector. The wire cutting cylinder in the wire cutting part pushes the side rack to engage with the gear, driving the scissors blade fixedly connected to the gear to rotate, facilitating the cutting of the cable, achieving rapid power-off, and enabling workers to quickly discover the cable with leakage, facilitating the maintenance of workers. The clamping parts are symmetrically arranged on both sides above the support frame, and can clamp the cable to make the cable in the electrical box more regular, reducing the blind spot of observation, reducing potential safety hazards, and at the same time enabling the wire cutting part to cut the cable more easily, and the cable will not move during the wire cutting process. The movable rod is threadedly connected to the lead screw, enabling the movable rod to move up and down, and being able to adapt to electrical boxes of different heights.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical construction, and particularly relates to a safety protection device for electrical construction. Background Art

[0002] In construction engineering projects, electrical construction is a task responsible for the installation, commissioning, detection, and operation and maintenance of electrical equipment. Electrical construction involves many complex electrical equipment. Generally, electrical boxes are placed at the construction site. Many electrical equipment are connected to the electrical boxes through cables, and the electrical boxes distribute power reasonably. Electrical construction is mainly for power transmission. Once a safety accident occurs, the consequences will be very serious.

[0003] In the prior art, the environment on the construction site is chaotic, and construction workers do not pay attention to the protection of electrical boxes, which easily hides potential safety hazards. There are many electrical connections in the electrical boxes, and sometimes the cabinet doors are not closed, resulting in a mostly dirty and messy inside and outside the box, which will affect the use of internal electrical components in the long term. Moreover, the cables are laid on the ground, and are crushed by the movement of personnel and equipment, or the construction workers move the electrical equipment, causing the cables to rub against building materials, which easily leads to cable damage or even leakage. Once leakage occurs, it is not easy to detect the leaking cable in time. During the process of the construction workers walking to the electrical box to cut off the power supply, there is a risk of electric shock. Summary of the Invention

[0004] The main purpose of the present invention is to provide a safety protection device for electrical construction, which can effectively solve the above problems.

[0005] The present invention provides the following technical solution. A safety protection device for electrical construction includes a frame assembly and a protection assembly. The protection assembly is arranged at the lower part of the frame assembly. The protection assembly includes a sliding part, a clamping part, a wire cutting part and a leakage detector. There are two rows of clamping parts symmetrically arranged, and each row includes a plurality of clamping parts arranged at intervals. The sliding part is located below the two rows of clamping parts. The wire cutting part is installed on the sliding part and is arranged between the two rows of clamping parts. There are a plurality of leakage detectors, and the leakage detectors are correspondingly arranged below the clamping parts close to the outer side of the frame assembly.

[0006] Further, the wire cutting part includes a wire cutting box, a wire cutting cylinder, a sliding rod, a wire cutting frame, a sliding plate, a limiting block and a connecting plate. The wire cutting box is fixedly arranged above the sliding part. A partition plate is arranged in the middle of the wire cutting box. The fixed end of the wire cutting cylinder is fixedly connected to the middle of the inner bottom surface of the wire cutting box. The movable end of the wire cutting cylinder passes through the partition plate and is fixedly connected to the sliding plate. The middle part of the connecting plate is sleeved on the fixed end of the wire cutting cylinder. One sliding rod is fixedly arranged at each of the two ends of the upper surface of the connecting plate. One limiting block is fixedly arranged at each of the two ends of the lower surface of the partition plate. The connecting plate contacts or separates from the limiting block. The upper end of the sliding rod passes through the limiting block and the partition plate and is fixedly connected to both ends of the wire cutting frame. The sliding plate is located in the middle of the wire cutting frame and is slidably connected to the wire cutting frame. A wire cutting spring is arranged between the sliding plate and the wire cutting frame above the sliding plate.

[0007] Further, the wire cutting part further includes a side rack, a gear, a gear rack and a pair of scissors blades. The lower end of the side rack is fixedly arranged in the middle above the sliding plate. The side rack is slidably connected to the middle of the wire cutting frame. The gear rack is located on one side of the side rack provided with teeth. A gear is rotatably arranged above the gear rack. The gear is meshed with the side rack. Two scissors blades are provided and are arranged opposite to each other. Both scissors blades are arranged through the upper part of the gear rack. One of the scissors blades is fixedly connected to the gear, and the other scissors blade is fixedly connected to the gear rack. The scissors blade includes a metal blade and an insulating knife holder, and the metal blade is inserted into the insulating knife holder.

[0008] Further, the clamping part includes a clamping box, a slider, a clamping rod, an insulating chuck, a rotating shaft sleeve, a rotating plate, a wrench and a clamping spring. Sliders are slidably connected to both ends of the inner bottom of the clamping box. The two sliders are symmetrically arranged. Two clamping springs are provided and are fixedly arranged in parallel at intervals between the two sliders. Clamping rods are fixedly connected to both sliders and the two clamping rods are symmetrically arranged. The upper parts of the two clamping rods pass through the clamping box and an insulating chuck is fixedly arranged at each of them. The two insulating chucks are symmetrically arranged. The lower end of the rotating shaft sleeve is threadedly connected to a rotating shaft arranged at the bottom of the clamping box. One end of the wrench is sleeved on the lower part of the rotating shaft sleeve and is fixedly connected to the rotating shaft sleeve, and the other end passes through the clamping box. The rotating plate is composed of two semi-circular plates connected in a staggered manner. The two semi-circular plates connected in a staggered manner are centrosymmetric. The rotating plate is located above the wrench. The middle part of the rotating plate is sleeved on the rotating shaft sleeve and is fixedly connected to the rotating shaft sleeve. The outer edges of both sides of the rotating plate are respectively in contact with the two sliders.

[0009] Furthermore, the sliding part includes a linear motor and a locking device, the linear motor includes a stator guide rail and a mover block sliding along the stator guide rail, the linear motor is located at the lower part of the frame assembly, the wire cutting part is arranged above the mover block, and the locking device is installed on one side of the mover block. The locking device includes a telescopic cylinder, a telescopic rod, an auxiliary spring, a locking tooth and a rack. The fixed end of the telescopic cylinder is arranged in the middle of the mover block, and the movable end of the telescopic cylinder is fixedly connected with a locking tooth, and the locking tooth is engaged or separated from the rack. Two telescopic rods are arranged, and the two fixed ends of the telescopic rods are respectively arranged at the two ends of the mover block, and the two movable ends of the telescopic rods are respectively fixed at the two ends of the locking tooth, and the auxiliary spring is sleeved on the fixed end of the telescopic rod.

[0010] Furthermore, the protection component also includes a support frame, which is fixedly arranged at the lower part of the frame assembly, and side panels are arranged on the front and rear sides of the support frame. Multiple groups of support feet are respectively arranged on the front and rear sides of the upper part of the support frame, and the clamping part is arranged on the support feet. The linear motor is arranged in the middle of the support frame, and the locker is arranged between the side panel and the mover block. The leakage detector is a clamp-type leakage current recorder, and multiple leakage detectors are arranged, and the multiple leakage detectors are fixedly arranged on the outer side of the front side panel at intervals.

[0011] Furthermore, the frame assembly includes a supporting part, which includes a base, a fixed rod, a movable rod, a connecting frame and a sloping ceiling. The base is a U-shaped structure, and a worm box is fixedly provided on the lower surface of the middle part of the front side of the base. There are four fixed rods and four movable rods. The four fixed rods are respectively fixed at the upper ends of the four corners of the base, and the lower ends of the movable rods are passed through the fixed rods and are slidably connected to the fixed rods. The upper ends of the four movable rods are fixedly connected to the lower surfaces of the four corners of the connecting frame, and a sloping ceiling is fixedly provided on the upper part of the connecting frame.

[0012] Furthermore, the frame assembly also includes an adjustment part, which is located inside and below the support part. The adjustment part includes an adjustment motor, a long connecting shaft, a short connecting shaft and a lead screw. The adjustment motor is located inside the outer side of the worm gear box and is transmission-connected to the long connecting shaft through a worm gear structure. Both ends of the long connecting shaft and both ends of the short connecting shaft are transmission-connected to the lead screw through a bevel gear structure. The lead screw is inserted into the fixed rod and is threadedly connected to the lower end of the movable rod.

[0013] Furthermore, the frame assembly also includes a protective part, which includes a spring roller blind, and the spring roller blind includes two long spring roller blinds and two short spring roller blinds, the two long spring roller blinds are respectively fixedly arranged at the lower parts of the front and rear sides of the support part, and the two short spring roller blinds are respectively fixedly arranged at the lower parts of the two ends of the support part, and a long pull rod is arranged at the lower part of the curtain of the long spring roller blind, and a short pull rod is arranged at the lower part of the curtain of the short spring roller blind.

[0014] Further, the protection part further includes a locking ring, a U-shaped lock buckle and a locking bolt. Four locking rings are provided, and the locking rings are sleeved on the support part. Two U-shaped lock buckles are fixedly arranged on the outer side of the locking ring. The two U-shaped lock buckles are arranged at 90 degrees. The open ends of the two U-shaped lock buckles face the outside of the support part. The U-shaped lock buckle is inserted into or separated from the end of the long pull rod or the short pull rod. The locking bolt passes through the lower end of the U-shaped lock buckle. A retaining piece is fixedly connected to the upper end of the locking bolt. The retaining piece abuts against or separates from the inner wall of the upper end of the U-shaped lock buckle. A lock buckle spring is sleeved on the locking bolt and the lock buckle spring is located between the retaining piece and the inner wall of the lower end of the U-shaped lock buckle.

[0015] Compared with the prior art, the electrical construction safety protection device of the present invention has the following beneficial effects:

[0016] 1. In the present invention, the leakage detector is used to perform real-time leakage detection. After detecting the leakage cable, the sliding part drives the cable cutting part to move to the leakage cable. The main cable cutting cylinder is used to push the side rack to engage with the gear, driving the cutting blade fixedly connected to the gear to rotate, facilitating the cutting of the cable, realizing rapid power-off of the leakage circuit, greatly reducing potential safety hazards, and at the same time enabling workers to quickly discover the leaking cable and facilitating the maintenance of workers.

[0017] 2. In the present invention, the clamping parts symmetrically arranged on both sides of the cable cutting part can make the cables connected to the electrical box more regular. At the same time, clamping the cables makes it easier for the cable cutting part to cut the cables, and the cables will not move during the cable cutting process.

[0018] 3. In the present invention, the movable rod is threadedly connected to the lead screw to drive the worm, so that the movable rod can be lifted and lowered, and it can adapt to electrical boxes of different heights. The electrical box can be protected by the spring rolling curtain, reducing the dust in the electrical box, protecting against wind and rain, and reducing the corrosion and damage of the electrical components in the electrical box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a schematic structural diagram of an electrical construction safety protection device according to an embodiment of the present invention;

[0021] Figure 2 is a schematic diagram of the support part according to an embodiment of the present invention;

[0022] Figure 3 is Figure 2 the enlarged view at A in

[0023] Figure 4 is a schematic diagram of the adjustment part according to an embodiment of the present invention;

[0024] Figure 5Schematic diagram of the protection component according to the embodiment of the present invention;

[0025] Figure 6 Schematic diagram of the support frame according to the embodiment of the present invention;

[0026] Figure 7 Schematic diagram of the sliding part according to the embodiment of the present invention;

[0027] Figure 8 is Figure 7 enlarged view at position B in

[0028] Figure 9 Schematic diagram of the clamping part according to the embodiment of the present invention;

[0029] Figure 10 Schematic diagram of the wire cutting part according to the embodiment of the present invention;

[0030] Figure 11 Schematic diagram of the scissors blade according to the embodiment of the present invention.

[0031] Wherein: 1. Frame assembly; 11. Support part; 111. Universal wheel; 112. Base; 113. Fixed rod; 114. Movable rod; 115. Connecting frame; 116. Slope ceiling; 117. Worm box; 12. Adjusting part; 121. Adjusting motor; 122. Worm; 123. Worm gear; 124. Long connecting shaft; 125. Short connecting shaft; 126. First bevel gear; 127. Second bevel gear; 128. Third bevel gear; 129. Lead screw; 13. Protection part; 131. Spring rolling curtain; 132. Locking ring; 133. U-shaped lock; 134. Lock bolt; 135. Lock spring; 2. Protection component; 20. Support frame; 201. Side plate; 21. Sliding part; 211. Linear motor; 212. Locking device; 2121. Telescopic cylinder; 2122. Telescopic rod; 2123. Auxiliary spring; 2124. Locking teeth; 2125. Rack; 22. Clamping part; 221. Clamping box; 2211. Movable window; 2212. Wrench window; 2213. Slide rail; 222. Slide block; 223. Clamping rod; 224. Insulating chuck; 225. Rotating shaft sleeve; 226. Rotating plate; 227. Wrench; 228. Clamping spring; 23. Wire cutting part; 231. Wire cutting box; 2311. Partition; 232. Wire cutting cylinder; 233. Slide bar; 234. Wire cutting frame; 235. Sliding plate; 236. Wire cutting spring; 237. Side rack; 238. Gear; 239. Gear rack; 230. Scissors blade; 2301. Limit block; 2302. Connecting plate; 24. Leakage detector; 3. Electrical box. Detailed implementation manners

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] In the following description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. The term "connection" only represents the connection between devices and has no special meaning.

[0034] In addition, the technical fields and installation methods involved in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] Specific embodiments are as Figures 1-11 shown: A safety protection device for electrical construction includes a frame assembly 1 and a protection assembly 2. The protection assembly 2 is arranged below the frame assembly 1. The protection assembly 2 includes a sliding part 21, a clamping part 22, a wire cutting part 23, and a leakage detector 24. The clamping parts 22 are symmetrically arranged in two rows, and each row includes a plurality of clamping parts 22 arranged at intervals. The sliding part 21 is located below the two rows of clamping parts 22. The wire cutting part 23 is installed on the sliding part 21 and is arranged between the two rows of clamping parts 22. A plurality of leakage detectors 24 are provided, and the leakage detectors 24 are correspondingly arranged below the clamping parts 22 close to the outer side of the frame assembly 1. The number and installation position of the leakage detectors 24 correspond to the number and installation position of the clamping parts 22 in each row.

[0036] Further, the frame component 1 includes a support portion 11, an adjustment portion 12, and a protection portion 13. The adjustment portion 12 is located inside the lower part of the support portion 11, and the protection portion 13 is provided on the outer side of the support portion 11. The support portion 11 includes universal wheels 111, a base 112, fixed rods 113, movable rods 114, a connecting frame 115, and a sloping roof 116. The base 112, fixed rods 113, and movable rods 114 are all hollow structures. The base 112 is in a U-shaped structure, which can facilitate the entire safety protection device to be pushed in from one side of the electrical box 3 to protect the electrical box 3. An opening is provided on the lower surface of the middle part of the front side of the base 112, and a worm box 117 with an upper opening is fixedly arranged at the opening. Four fixed universal wheels 111, fixed rods 113, and movable rods 114 are provided. The four fixed universal wheels 111 are respectively fixedly arranged at the lower ends of the four corners of the base 112. The four fixed rods 113 are respectively fixedly arranged at the upper ends of the four corners of the base 112. The fixed rods 113 correspond to the movable rods 114 one by one. The lower end of the movable rod 114 passes through the fixed rod 113 and is slidably connected to the fixed rod 113. The upper ends of the four movable rods 114 are fixedly connected to the lower surfaces of the four corners of the connecting frame 115. The outer side of the lower part of the connecting frame 115 is connected to the protection portion 13. A sloping roof 116 is fixedly arranged on the upper part of the connecting frame 115, so that rainwater can flow down smoothly and reduce the rainwater entering the electrical box 3.

[0037] The adjusting part 12 includes an adjusting motor 121, a worm 122, a worm wheel 123, a long connecting shaft 124, a short connecting shaft 125, a first bevel gear 126, a second bevel gear 127, a third bevel gear 128 and a lead screw 129. The worm 122 is arranged in a worm box 117 and rotatably connected to the worm box 117. One end of the worm 122 extends out of the worm box 117 and is in transmission connection with the adjusting motor 121. The long connecting shaft 124 is arranged inside the front side of the base 112. The worm wheel 123 is arranged in the middle of the long connecting shaft 124 and fixedly connected to the long connecting shaft 124. The worm wheel 123 is located above the worm 122 and meshed with the worm 122. A first bevel gear 126 is fixedly connected to both ends of the long connecting shaft 124. There are two short connecting shafts 125. The two short connecting shafts 125 are respectively arranged inside both ends of the base 112 and extend from the front side to the rear side along with the base 112. The two short connecting shafts 125 are both perpendicular to the long connecting shaft 124 in the horizontal direction. A second bevel gear 127 is fixedly connected to both ends of each short connecting shaft 125. There are four lead screws 129 and four third bevel gears 128. The lead screws 129 correspond to the fixed rods 113 one by one, and the third bevel gears 128 correspond to the lead screws 129 one by one. The lead screws 129 are arranged in the fixed rods 113. The lead screws 129 are in threaded connection with the movable rods 114. The lower ends of the lead screws 129 penetrate into the base 112 and are fixedly connected to the third bevel gears 128. The third bevel gears 128 are located above the second bevel gears 127 and in transmission connection with the corresponding second bevel gears 127. The third bevel gears 128 at both ends of the front side of the base 112 are also respectively in transmission connection with the first bevel gears 126 at both ends of the long connecting shaft 124. By starting the adjusting motor 121 to drive the worm 122, the worm wheel 123 is driven to rotate, so that the lead screws 129 rotate. The lead screws 129 are in threaded connection with the movable rods 114, enabling multiple movable rods 114 to be lifted and lowered simultaneously, and being able to adapt to electrical boxes 3 of various different heights.

[0038] The protection part 13 includes a spring rolling curtain 131, a locking ring 132, a U-shaped lock catch 133 and a lock bolt 134. The spring rolling curtain 131 includes two long spring rolling curtains and two short spring rolling curtains. The two long spring rolling curtains are respectively fixedly arranged at the lower parts on the front and rear sides of the connecting frame 115, and the two short spring rolling curtains are respectively fixedly arranged at the lower parts at both ends of the connecting frame 115. A long pull rod is arranged at the lower part of the curtain of the long spring rolling curtain, and a short pull rod is arranged at the lower part of the curtain of the short spring rolling curtain. The locking rings 132 correspond to the fixing rods 113 one by one. The locking ring 132 is a ring-shaped structure with an opening. The locking ring 132 is sleeved on the fixing rod 113 and fastened by bolts at the opening. Two U-shaped lock catches 133 are fixedly arranged on the outer side of the locking ring 132. The two U-shaped lock catches 133 are arranged at a 90-degree angle. The open ends of the two U-shaped lock catches 133 both face the outside of the support part 11. The U-shaped lock catch 133 is inserted or separated from the end of the long pull rod or the short pull rod. The lock bolt 134 passes through the lower end of the U-shaped lock catch 133 and is slidably connected with the lower end of the U-shaped lock catch 133. A baffle is fixedly connected above the lock bolt 134. The baffle abuts against or separates from the inner wall of the upper end of the U-shaped lock catch 133. A lock catch spring 135 is sleeved on the lock bolt 134. The lock catch spring 135 is located between the baffle and the inner wall of the lower end of the U-shaped lock catch 133. Pull down the spring rolling curtain 131 and at the same time pull down the lock bolt 134. Put the end of the long pull rod or the short pull rod into the U-shaped lock catch 133, and then release the lock bolt 134. The lock bolt 134 rebounds through the lock catch spring 135, and the spring rolling curtain 131 can be locked. The long spring rolling curtain and the short spring rolling curtain are prior arts and will not be described in detail. The spring rolling curtain 131 can protect the electrical box 3, reduce the dust in the electrical box 3, prevent wind and rain, keep the electrical box 3 clean, reduce the corrosion and damage of electrical components, and facilitate the subsequent construction of workers.

[0039] The protection component 2 further includes a support frame 20. The support frame 20 is fixedly arranged on the upper surface of the base 112 near the front side. Side plates 201 are arranged on both the front and rear sides of the support frame 20. Multiple groups of support feet are respectively arranged on the front and rear sides of the upper part of the support frame 20. In this embodiment, ten clamping parts 22 are provided. Five of the clamping parts 22 are arranged in a row and are respectively and fixedly arranged on the support feet on the front and rear sides of the upper part of the support frame 20 at intervals. The two rows of clamping parts 22 are symmetrically arranged, which can tighten the cable and facilitate wire cutting. The wire cutting part 23 is arranged in the middle of the support frame 20. A leakage detector 24 is installed on the side plate 201 of the support frame 20 near the front side of the base 112. The leakage detector 24 is a clamp-type leakage current recorder. When the leakage detector 24 clamps a cable at the same time, since there are a live wire and a neutral wire in the same cable, if leakage occurs, there will be a current difference between the live wire and the neutral wire, and it can be measured through the principle of electromagnetic induction. The specific detection method is a prior art. Five leakage detectors 24 are provided. The five leakage detectors 24 are fixedly arranged at intervals on the outer side of the side plate 201 of the support frame 20 near the front side of the base 112.

[0040] The sliding part 21 includes a linear motor 211 and a locking device 212. The linear motor 211 includes a stator guide rail and a mover block. The stator guide rail is arranged along the length direction of the support frame 20. The mover block slides along the stator guide rail under the action of electromagnetic force. The linear motor 211 is located at the lower part of the support frame 20 and its two ends are arranged on the base 112. The wire cutting part 23 is arranged above the mover block of the linear motor 211. The locking device 212 is installed on one side of the linear motor 211 close to the leakage detector 24. The locking device 212 includes a telescopic cylinder 2121, a telescopic rod 2122, an auxiliary spring 2123, a locking tooth 2124 and a rack 2125. A rack 2125 is fixedly arranged on the inner side of the side plate 201 of the support frame 20 close to the front side of the base 112. The fixed end of the telescopic cylinder 2121 is arranged in the middle of one side of the mover block. The movable end of the telescopic cylinder 2121 is fixedly connected with a locking tooth 2124. The locking tooth 2124 meshes with or disengages from the rack 2125. There are two telescopic rods 2122. The fixed ends of the two telescopic rods 2122 are respectively arranged at both ends of the mover block. The movable ends of the two telescopic rods 2122 are respectively fixedly arranged at both ends of the locking tooth 2124. The auxiliary spring 2123 is sleeved on the fixed ends of the telescopic rods 2122. The wire cutting part 23 is driven by the linear motor 211 to move for wire cutting. By meshing the locking tooth 2124 with the rack 2125, the position of the mover block can be fixed to avoid movement during wire cutting.

[0041] The clamping part 22 includes a clamping box 221, a slider 222, a clamping rod 223, an insulating chuck 224, a rotating shaft sleeve 225, a rotating plate 226, a wrench 227 and a clamping spring 228. The clamping box 221 is fixedly arranged on the support feet. A wrench window 2212 is opened on one side of the clamping box 221 away from the wire cutting part 23, and a movable window 2211 is opened on the upper part. A slide rail 2213 is arranged at each end of the inner bottom of the clamping box 221. Two sliders 222 are provided, and the two sliders 222 are symmetrically arranged and are respectively slidably connected to the two slide rails 2213. Two clamping springs 228 are provided, and the two clamping springs 228 are arranged in parallel at intervals between the two sliders 222 and are fixedly connected to the two sliders 222. A clamping rod 223 is fixedly connected to each of the two sliders 222. The clamping rod 223 passes through the movable window 2211. The clamping rod 223 is L-shaped, and the two clamping rods 223 are symmetrically arranged. Insulating chucks 224 are fixedly arranged on the upper parts of the two clamping rods 223, and the two insulating chucks 224 are symmetrically arranged. The insulating chuck 224 is V-shaped, which is convenient for clamping cables of various sizes. The lower end of the rotating shaft sleeve 225 is threadedly connected to the rotating shaft at the bottom of the clamping box 221. One end of the wrench 227 is sleeved on the lower part of the rotating shaft sleeve 225 and is fixedly connected to the rotating shaft sleeve 225, and the other end passes through the wrench window 2212. The rotating plate 226 is a structure of two semicircular plates connected in a staggered manner. The two semicircular plates connected in a staggered manner are centrosymmetric. The middle part of the rotating plate 226 is sleeved above the rotating shaft sleeve 225 and is fixedly connected to the rotating shaft sleeve 225. The outer edges on both sides of the rotating plate 226 are respectively in contact with the two sliders 222. By rotating the wrench 227 to drive the rotating plate 226 to rotate, the sliders 222 are moved to both sides, which is convenient for putting the cable into the insulating chuck 224. Then rotate the wrench 227 in the reverse direction, and the clamping spring 228 assists the slider 222 to return to its position, so that the cable can be quickly clamped, the position of the cable can be fixed, the cables in the electrical box 3 can be made more regular, and it is convenient for the subsequent wire cutting part 23 to cut the wires.

[0042] The wire cutting part 23 includes a wire cutting box 231, a wire cutting cylinder 232, a sliding rod 233, a limiting block 2301, a connecting plate 2302, a wire cutting frame 234, a sliding plate 235, a wire cutting spring 236, a side rack 237, a gear 238, a gear frame 239 and a pair of scissors blades 230. The wire cutting box 231 is fixedly arranged above the mover block. A partition plate 2311 is arranged in the middle of the wire cutting box 231. The wire cutting cylinder 232 is arranged in the wire cutting box 231. The fixed end of the wire cutting cylinder 232 is fixedly connected to the middle of the bottom surface of the wire cutting box 231. The movable end of the wire cutting cylinder 232 passes through the partition plate 2311 and is fixedly connected to the sliding plate 235. The middle of the connecting plate 2302 is sleeved on the fixed end of the wire cutting cylinder 232 and is slidably connected to the fixed end of the wire cutting cylinder 232. At both ends above the connecting plate 2302, a sliding rod 233 is respectively and fixedly arranged. At both ends of the lower surface of the partition plate 2311, a limiting block 2301 is respectively and fixedly arranged. The connecting plate 2302 contacts or separates from the limiting block 2301. The sliding rods 233 and the limiting blocks 2301 are in one-to-one correspondence. The upper ends of the sliding rods 233 pass through the limiting blocks 2301 and the partition plate 2311 and are fixedly connected to both ends of the wire cutting frame 234. The sliding rods 233 are slidably connected to both the limiting blocks 2301 and the partition plate 2311. The wire cutting frame 234 is in a U-shaped structure. The sliding plate 235 is located in the middle of the wire cutting frame 234 and is slidably connected to the wire cutting frame 234. A cylinder is arranged at the lower end of the side rack 237. The cylinder is fixedly arranged in the middle above the sliding plate 235. The cylinder at the lower part of the side rack 237 is slidably connected to the middle of the wire cutting frame 234. Between both ends above the sliding plate 235 and the wire cutting frame 234, two wire cutting springs 236 are respectively arranged. The gear frame 239 is located on one side of the side rack 237 where the tooth pattern is arranged. Above the gear frame 239, a gear 238 is rotatably arranged through a rotating shaft. The gear 238 is meshed and connected with the side rack 237. Two scissors blades 230 are arranged. The two scissors blades 230 are arranged oppositely. Both scissors blades 230 are arranged through the upper part of the gear frame 239. One of the scissors blades 230 is fixedly connected to the gear 238, and the other scissors blade 230 is fixedly connected to the gear frame 239. The scissors blade 230 includes a metal blade and an insulating knife holder. The metal blade is inserted into the insulating knife holder. The insulating knife holder prevents safety accidents caused by metal conduction during wire cutting. Start the linear motor 211 to move the wire cutting part 23 to a suitable position, and then start the wire cutting cylinder 232 to make the movable end of the wire cutting cylinder 232 move upward, jack up the wire cutting frame 234, drive the connecting plate 2302 to move upward until it contacts the limiting block 2301, and the wire cutting frame 234 stops rising. The movable end of the wire cutting cylinder 232 continues to move upward, compresses the wire cutting spring 236 and makes the side rack 237 move upward, and the meshed gear 238 rotates. The scissors blade 230 fixedly connected to the gear 238 cooperates with the other scissors blade 230 to cut the cable and timely cut off the leakage circuit.

[0043] The protection component 2 further includes a control component, which is electrically connected to the leakage detector 24 for transmitting signals. The control component is electrically connected to the linear motor 211, the telescopic cylinder 2121, and the wire cutting cylinder 232, and is used to drive the sliding part 21, the clamping part 22, and the wire cutting part 23 to move respectively.

[0044] When an electrical construction safety protection device is in use, the height of the device is adjusted by rotating the worm 122, and then the device is pushed to a suitable position by the fixed universal wheels 111 so that the device covers the electrical box 3. Then, a plurality of clamping parts 22 are used to clamp the cables connecting the electrical components in the electrical box 3 one by one. Then, the measuring ring of the leakage detector 24 is opened, and the cable is placed therein. Then, the leakage detector 24 detects in real time whether the corresponding cable is leaking. Once a leaking cable is found, the leakage detector 24 will send a signal to the control component. Then, the control component starts the linear motor 211 to move the wire cutting frame 234 under the leaking cable, and then starts the telescopic cylinder 2121 to lock and fix the position of the linear motor 211. Then, the wire cutting cylinder 232 is started to raise the wire cutting frame 234 and the rising side rack 237 to cut the leaking cable. This setting can timely cut off the line where the leaking cable is located, and at the same time enable the worker to quickly find the leaking cable and deal with and replace it in time, reducing the safety hazards during the worker's construction. Pull down the spring rolling curtain 131 and at the same time pull down the locking bolt 134, put the end of the pull rod corresponding to the spring rolling curtain 131 into the U-shaped lock 133, and then release the locking bolt 134. The spring rolling curtain 131 can provide daily protection for the electrical box 3, reducing the entry of dust and rainwater.

Claims

1. A safety protection device for electrical construction, characterized in that: It includes a frame assembly and a protection assembly, wherein the protection assembly is arranged at the lower part of the frame assembly, and the protection assembly includes a sliding part, a clamping part, a wire cutting part and a leakage detector, wherein the clamping part is symmetrically arranged in two rows, and each row includes a plurality of clamping parts arranged at intervals, the sliding part is located below the two rows of clamping parts, the wire cutting part is installed on the sliding part, and the wire cutting part is arranged between the two rows of clamping parts, and a plurality of leakage detectors are arranged, and the leakage detectors are correspondingly arranged below the clamping parts close to the outer side of the frame assembly; The wire cutting part comprises a wire cutting box, a wire cutting cylinder, a sliding rod, a wire cutting frame, a sliding plate, a limit block and a connecting plate. The wire cutting box is fixedly arranged above the sliding part, a partition is arranged in the middle of the wire cutting box, the fixed end of the wire cutting cylinder is fixedly connected to the middle of the bottom surface of the wire cutting box, the movable end of the wire cutting cylinder passes through the partition and is fixedly connected to the sliding plate, the middle part of the connecting plate is sleeved on the fixed end of the wire cutting cylinder, a sliding rod is fixedly arranged at both ends of the upper surface of the connecting plate, a limit block is fixedly arranged at both ends of the lower surface of the partition, the connecting plate contacts or separates from the limit block, the upper end of the sliding rod passes through the limit block and the partition and is fixedly connected to both ends of the wire cutting frame, the sliding plate is located in the middle of the wire cutting frame and is slidably connected to the wire cutting frame, and a wire cutting spring is arranged between the upper part of the sliding plate and the wire cutting frame; The wire cutting part also includes a side rack, a gear, a gear frame and a scissor blade. The lower end of the side rack is fixedly arranged in the middle of the upper part of the sliding plate. The side rack is slidably connected to the middle part of the wire cutting frame. The gear frame is located on the side where the tooth pattern of the side rack is arranged. A gear is rotatably arranged above the gear frame. The gear is meshed with the side rack. Two scissor blades are arranged opposite to each other. Both scissor blades are inserted into the upper part of the gear frame. One of the scissor blades is fixedly connected to the gear, and the other scissor blade is fixedly connected to the gear frame. The scissor blades include a metal blade and an insulating blade holder. The metal blade is plugged into the insulating blade holder. The sliding part includes a linear motor and a locking device. The linear motor includes a stator guide rail and a mover block sliding along the stator guide rail. The linear motor is located at the lower part of the frame assembly. The wire cutting part is arranged above the mover block. The locking device is installed on one side of the mover block. The locking device includes a telescopic cylinder, a telescopic rod, an auxiliary spring, a locking tooth and a rack. The fixed end of the telescopic cylinder is arranged in the middle of the mover block. The movable end of the telescopic cylinder is fixedly connected with a locking tooth. The locking tooth is engaged or separated from the rack. Two telescopic rods are arranged. The fixed ends of the two telescopic rods are respectively arranged at the two ends of the mover block. The movable ends of the two telescopic rods are respectively fixed at the two ends of the locking tooth. The auxiliary spring is sleeved on the fixed end of the telescopic rod.

2. A safety protection device for electrical construction according to claim 1, characterized in that: The clamping part includes a clamping box, a slider, a clamping rod, an insulating clamp, a rotating shaft sleeve, a rotating plate, a wrench and a clamping spring. Slide blocks are slidably connected to both ends of the bottom of the clamping box. The two sliders are symmetrically arranged. Two clamping springs are arranged. The two clamping springs are fixedly arranged in parallel and spaced between the two sliders. The two sliders are fixedly connected with clamping rods and the two clamping rods are symmetrically arranged. The upper parts of the two clamping rods pass through the clamping box and are respectively fixedly provided with an insulating clamp. The two insulating clamps are symmetrically arranged. The lower end of the rotating shaft sleeve is threadedly connected to the rotating shaft provided at the bottom of the clamping box. One end of the wrench is sleeved on the lower part of the rotating shaft sleeve and fixedly connected to the rotating shaft sleeve, and the other end passes through the clamping box. The rotating plate is a semicircular plate structure with two staggered connections. The two staggered semicircular plates are symmetrically connected in the center. The rotating plate is located above the wrench. The middle part of the rotating plate is sleeved on the rotating shaft sleeve and fixedly connected to the rotating shaft sleeve. The outer edges on both sides of the rotating plate are respectively in contact with the two sliders.

3. The safety protection device for electrical construction according to claim 1, characterized in that: The protection component also includes a support frame, which is fixedly arranged at the lower part of the frame assembly, and side panels are arranged on the front and rear sides of the support frame. Multiple groups of support feet are respectively arranged on the front and rear sides of the upper part of the support frame, and the clamping part is arranged on the support feet. The linear motor is arranged in the middle of the support frame, and the locker is arranged between the side panel and the mover block. The leakage detector is a clamp-type leakage current recorder, and multiple leakage detectors are arranged, and the multiple leakage detectors are fixedly arranged at intervals on the outside of the front side panel.

4. The safety protection device for electrical construction according to claim 1, characterized in that: The frame assembly includes a supporting part, which includes a base, a fixed rod, a movable rod, a connecting frame and a sloping ceiling. The base is a U-shaped structure, and a worm box is fixedly provided on the lower surface of the middle part of the front side of the base. Four fixed rods and four movable rods are provided, and the four fixed rods are respectively fixedly provided at the upper ends of the four corners of the base, and the lower ends of the movable rods are passed through the fixed rods and are slidably connected to the fixed rods. The upper ends of the four movable rods are fixedly connected to the lower surfaces of the four corners of the connecting frame, and a sloping ceiling is fixedly provided on the upper part of the connecting frame.

5. A safety protection device for electrical construction according to claim 4, characterized in that: The frame assembly also includes an adjusting part, which is located inside and below the supporting part. The adjusting part includes an adjusting motor, a long connecting shaft, a short connecting shaft and a lead screw. The adjusting motor is located outside the worm box and is transmission-connected to the long connecting shaft through a worm gear structure. Both ends of the long connecting shaft and both ends of the short connecting shaft are transmission-connected to the lead screw through a bevel gear structure. The lead screw is inserted into the fixed rod and is threadedly connected to the lower end of the movable rod.

6. A safety protection device for electrical construction according to claim 5, characterized in that: The frame assembly also includes a protective part, which includes a spring roller blind, and the spring roller blind includes two long spring roller blinds and two short spring roller blinds. The two long spring roller blinds are respectively fixedly arranged at the lower parts of the front and rear sides of the support part, and the two short spring roller blinds are respectively fixedly arranged at the lower parts of the two ends of the support part. A long pull rod is arranged at the lower part of the curtain of the long spring roller blind, and a short pull rod is arranged at the lower part of the curtain of the short spring roller blind.

7. A safety protection device for electrical construction according to claim 6, characterized in that: The protective part also includes a locking ring, a U-shaped lock buckle and a locking bolt. Four locking rings are provided, and the locking ring is sleeved on the supporting part. Two U-shaped lock buckles are fixedly provided on the outside of the locking ring, and the two U-shaped lock buckles are arranged at 90 degrees. The open ends of the two U-shaped lock buckles are both facing the outside of the supporting part. The U-shaped lock buckle is plugged into or separated from the end of the long pull rod or the short pull rod, and the locking bolt passes through the lower end of the U-shaped lock buckle, and a baffle is fixedly connected to the upper end of the lock bolt, and the baffle is abutted against or separated from the inner wall of the upper end of the U-shaped lock buckle. A locking buckle spring is sleeved on the lock bolt and the locking buckle spring is located between the baffle and the inner wall of the lower end of the U-shaped lock buckle.

Images