Pre-buried power distribution cabinet
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a pre-buried power distribution cabinet.
Background
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
The existing power distribution cabinet can well distribute power when in use, and is quite safe, when being installed, some power distribution cabinets are installed indoors, some power distribution cabinets are installed outdoors, when being installed on the outdoor power distribution cabinet, the outdoor conditions are complex and various, each area and the outdoor environment are different, hail can be generated in some areas, the existing power distribution cabinet is used outdoors, the existing power distribution cabinet is generally made of alloy materials, the top of the existing power distribution cabinet is generally inclined, the hail can be prevented from being accumulated, but the hail has the size, the impact force of the power distribution cabinet is different, the impact force of the existing power distribution cabinet can be completely blocked, but big hail impact force is great, and current switch board does not have the mechanism of buffering, in the time of the great hail of lower, can lead to the damage of switch board.
We propose a pre-buried power distribution cabinet in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a pre-buried power distribution cabinet, which aims to solve the problems that the power distribution cabinet is damaged possibly when a hail is large due to the fact that a large hail impact force is large and an existing power distribution cabinet is not provided with a buffering mechanism.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a switch board of pre-buried formula, includes the cabinet body, the top fixed mounting of the cabinet body has buffer gear, the equal fixed mounting in both sides of external surface of cabinet has the fixed block, the fixed intercommunication in right side of the cabinet body has prevents drawing the mechanism, two fixedly connected with embedded seat between the fixed block.
The buffer mechanism comprises a ceiling, a telescopic rod is fixedly mounted at the center of the top of the inner wall of the ceiling, a forward toothed plate is fixedly mounted at the top of the inner wall of the ceiling, a gear is rotatably connected inside the ceiling through a rotating shaft, a slide rod is fixedly mounted at the top of the inner wall of the ceiling, a sleeve is slidably connected to the outer surface of the slide rod, a connecting plate is fixedly mounted at one side of the sleeve close to the gear, a reverse toothed plate is fixedly mounted at one side of the connecting plate close to the gear, a rotating block is fixedly mounted at the bottom of the reverse toothed plate, two driving rods are rotatably connected inside the rotating block, one ends of the two driving rods, which are far away from the reverse toothed plate, are both rotatably connected with sliding cylinders, a limiting rod is slidably connected between the two sliding cylinders, baffles are fixedly mounted at both, the bottom of slide bar is fixed with the cardboard, the surface cover of gag lever post is equipped with buffer spring.
Preferably, the embedded seat comprises an embedded plate, clamping frames are fixedly mounted at the edges, close to the two sides, of the top of the embedded plate, inclined rods are rotatably connected to the inner portions of the clamping frames, mounting blocks are rotatably connected to the tops of the inclined rods, bolts are slidably inserted into the mounting blocks, nuts are connected to the outer surfaces of the bolts through threads, fixing iron sheets are inserted into the bolts and the nuts, and the bolts and the nuts can be adjusted and mounted in embedded pits.
Preferably, the bottom fixed mounting of telescopic link makes the telescopic link fixed at the top of the cabinet body, makes the telescopic link can carry on spacingly, the telescopic link is cup jointed by thick pipe and tubule and forms, similar and rib, the bottom welding of baffle is at the top of the cabinet body, and is spacing with the moving direction of ceiling.
Preferably, tooth on the positive pinion rack and the tooth on the reverse pinion rack all mesh with tooth on the gear mutually, make positive pinion rack can drive gear and rotate, and drive gear can drive reverse pinion rack and carry out reverse movement in addition, extension spring's both ends weld respectively in two relative one sides of slide cartridge, make extension spring can be compressed by two slide cartridges to increase the resistance of slide cartridge, cushion the impact force, the both ends of buffer spring weld respectively in sleeve and the relative one side of cardboard, make buffer spring compress, carry out the buffer force.
Preferably, the fixed intercommunication in the right side of the cabinet body in left side of device shell makes the cable enter into the cabinet body through the device shell, distance between the fluted disc surface tooth and the big or small looks adaptation of card wheel make the card wheel block between the tooth of fluted disc surface, and one side that fluted disc surface tooth is close to reset spring is the slope form.
Preferably, the left side of the L-shaped plate is in contact with the right side of the wheel carrier, so that the wheel carrier can be limited and prevented from rotating in the reverse direction, and the top of the return spring is welded to the top inside the device shell, so that the return spring can be reset.
Preferably, a plurality of mounting through holes matched with the bolts are formed in the two fixing blocks, so that the bolts can be fixed to different mounting through holes, the height and the gradient of the power distribution cabinet are adjusted, fixing through holes are formed in the bolts and the nuts, the bolts and the nuts can be fixed by fixing iron sheets, and the nuts are prevented from rotating and moving on the bolts.
Compared with the prior art, the invention has the beneficial effects that: the embedded power distribution cabinet can buffer external force in a memorable manner, and can prevent the damage of the power distribution cabinet caused by pulling of an external cable;
1. when the device is disassembled, after installation, when the top of the buffer mechanism is subjected to external force, the external force drives the ceiling to move, the telescopic rod limits the moving direction of the ceiling, when the ceiling moves, the forward toothed plate is driven to move downwards, the forward toothed plate drives the gear to rotate, when the gear rotates, the reverse toothed plate is driven to move, when the reverse toothed plate moves, the connecting plate is driven to move and the rotating block rotates simultaneously, the connecting plate drives the sleeve to move, the sleeve slides on the sliding rod, the sliding rod limits the sleeve, so that the connecting plate limits the reverse toothed plate, when the rotating block moves, the rotating block drives the tops of the two driving rods to rotate, so that the two sliding cylinders rotate, the sliding cylinders slide on the limiting rods, the two sliding cylinders compress the tension springs and buffer, the problem that the power distribution cabinet is possibly damaged in the case of large hail is solved;
2. during installation, an embedded pit is dug before installation, an embedded seat is placed in the embedded pit, the bottom of an embedded plate is placed in the embedded pit, a cabinet body is placed at the installation position, two inclined rods are rotated, the bottoms of the two inclined rods are rotated inside a clamping frame, two installation blocks are clamped on the two fixed blocks respectively, appropriate installation through holes in the fixed blocks are selected according to the required height, bolts are inserted through the installation blocks and the fixed blocks and are fixed by nuts, after the fixation is completed, fixed iron sheets are inserted into the nuts on the bolts, the bolts and the nuts are fixed, if the bottom of the embedded pit is uneven, the two installation blocks can select installation through holes which are not on the same horizontal line on the two fixed blocks to be installed, the embedded pit does not need to be corrected, and the installation level can also be realized;
3. when the external cable receives external force, the cable drives the rope drum to rotate, the fluted disc rotates, the fluted disc drives the wheel carrier to rotate through the clamping wheel, but the L plate fixes the wheel carrier and cannot rotate reversely, so that the cable in the cabinet body cannot move, and parts on the inner wall of the cabinet body cannot be damaged.
Drawings
FIG. 1 is a schematic structural diagram of a pre-buried power distribution cabinet according to the present invention;
FIG. 2 is a cross-sectional view of a buffering mechanism of a pre-buried power distribution cabinet according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of an anti-pulling mechanism of a pre-embedded power distribution cabinet according to the present invention;
FIG. 4 is a schematic diagram of a pre-buried seat structure of a pre-buried power distribution cabinet according to the present invention;
fig. 5 is an enlarged schematic view of a structure of a part a in fig. 4 of the pre-buried power distribution cabinet of the present invention.
In the figure: 1. a cabinet body; 2. a buffer mechanism; 201. a ceiling; 202. a telescopic rod; 203. a positive toothed plate; 204. a gear; 205. a slide bar; 206. a sleeve; 207. a connecting plate; 208. a reverse toothed plate; 209. rotating the block; 210. a drive rod; 211. a slide cylinder; 212. a limiting rod; 213. an extension spring; 214. a baffle plate; 215. clamping a plate; 216. a buffer spring; 3. a fixed block; 4. an anti-pull mechanism; 401. a device housing; 402. connecting blocks; 403. a wheel carrier; 404. clamping the wheel; 405. an L plate; 406. a fluted disc; 407. a rope drum; 408. a return spring; 5. pre-embedding a seat; 501. pre-burying a plate; 502. a clamping frame; 503. an inclined lever; 504. mounting blocks; 505. a bolt; 506. a nut; 507. and fixing the iron sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a switch board of pre-buried formula, includes the cabinet body 1, and the top fixed mounting of the cabinet body 1 has buffer gear 2, and the equal fixed mounting in both sides of the external surface of the cabinet body has fixed block 3, and the fixed intercommunication in right side of the cabinet body 1 has prevents drawing mechanism 4, fixedly connected with pre-buried seat 5 between two fixed blocks 3.
The buffer mechanism 2 comprises a ceiling 201, an expansion link 202 is fixedly installed at the center of the top of the inner wall of the ceiling 201, a forward toothed plate 203 is fixedly installed at the top of the inner wall of the ceiling 201, a gear 204 is rotatably connected inside the ceiling 201 through a rotating shaft, a slide rod 205 is fixedly installed at the top of the inner wall of the ceiling 201, a sleeve 206 is slidably connected to the outer surface of the slide rod 205, a connecting plate 207 is fixedly installed at one side of the sleeve 206 close to the gear 204, a reverse toothed plate 208 is fixedly installed at one side of the connecting plate 207 close to the gear 204, a rotating block 209 is fixedly installed at the bottom of the reverse toothed plate 208, two driving rods 210 are rotatably connected inside the rotating block 209, sliding cylinders 211 are rotatably connected to one ends of the two driving rods 210 far away from the reverse toothed plate 208, a limit rod 212 is slidably connected between the two sliding cylinders 211, baffles, the bottom of the sliding rod 205 is fixedly provided with a clamping plate 215, and the outer surface of the limiting rod 212 is sleeved with a buffer spring 216.
The anti-pulling mechanism 4 comprises a device shell 401, a connecting block 402 is fixedly mounted at the top of the inner wall of the device shell 401, a wheel carrier 403 is rotatably connected inside the connecting block 402, a clamping wheel 404 is rotatably connected inside the wheel carrier 403, a return spring 408 is fixedly mounted on one side of the wheel carrier 403, an L plate 405 is fixedly mounted at the top of the inner wall of the device shell 401, a fluted disc 406 is rotatably connected inside the device shell 401, a rope drum 407 is fixedly mounted on the front surface of the clamping wheel 404, and the parts on the inner wall of the power distribution cabinet are prevented from being pulled and damaged when an external cable moves.
The embedded seat 5 comprises an embedded plate 501, the top of the embedded plate 501 is close to the edges of the two sides and is fixedly provided with a clamping frame 502, the inside of the two clamping frames 502 is rotatably connected with an inclined rod 503, the top of the two inclined rods 503 is rotatably connected with an installation block 504, the two installation blocks 504 are slidably inserted with bolts 505, the outer surface of each bolt 505 is in threaded connection with a nut 506, the bolts 505 and the nuts 506 are inserted with fixed iron sheets 507, and the embedded seat can be adjusted and installed in an embedded pit.
The bottom fixed mounting of telescopic link 202 makes telescopic link 202 fixed at the top of the cabinet body 1, makes telescopic link 202 can carry on spacingly, and telescopic link 202 is cup jointed by thick pipe and tubule and forms, and similar and rib, the bottom welding of baffle 214 is at the top of the cabinet body 1, carries on spacingly with the moving direction of ceiling 201.
Teeth on the positive pinion rack 203 and teeth on the reverse pinion rack 208 all mesh with teeth on the gear 204 mutually, make positive pinion rack 203 can drive gear 204 and rotate, and drive gear 204 can drive reverse pinion rack 208 and carry out reverse motion, extension spring 213's both ends weld respectively in the relative one side of two slide cartridges 211, make extension spring 213 can be compressed by two slide cartridges 211, thereby increase the resistance of slide cartridge 211, cushion the impact force, the both ends of buffer spring 216 weld respectively in the relative one side of sleeve 206 and cardboard 215, make buffer spring 216 compress, cushion the power.
The fixed intercommunication in the right side of the cabinet body 1 in the left side of device shell 401 makes the cable enter into the cabinet body 1 through device shell 401, and the distance between the outer surface tooth of fluted disc 406 and the big or small looks adaptation of card wheel 404 make card wheel 404 can block between the tooth of fluted disc 406 outer surface, and one side that the outer surface tooth of fluted disc 406 is close to reset spring 408 is the slope form.
The left side of the L-plate 405 contacts the right side of the wheel frame 403 to limit the wheel frame 403 and prevent the wheel frame 403 from rotating in the reverse direction, and the top of the return spring 408 is welded to the top inside the device case 401 to allow the return spring 408 to return.
All seted up a plurality of installation through-holes with bolt 505 looks adaptation on two fixed blocks 3, make bolt 505 can fix on different installation through-holes, adjust the height and the gradient of switch board, all seted up fixed through-hole on bolt 505 and on the nut 506, can fix bolt 505 and nut 506 with fixed iron sheet 507, prevent that nut 506 from the rotational movement on bolt 505.
The working principle of the embodiment is as follows: when the embedded power distribution cabinet is used, firstly, as shown in fig. 1, 4 and 5, during installation, an embedded pit is dug before installation, an embedded seat 5 is placed in the embedded pit, the bottom of an embedded plate 501 is placed in the embedded pit, a cabinet body 1 is placed at the installation position, two inclined rods 503 are rotated, the bottoms of the two inclined rods 503 are rotated inside a clamping frame 502, two installation blocks 504 are clamped on two fixed blocks 3 respectively, appropriate installation through holes on the fixed blocks 3 are selected according to required heights, bolts 505 are inserted through the installation blocks 504 and the fixed blocks 3 and are fixed by nuts 506, after fixation, fixed iron sheets 507 are inserted on the nuts 506 on the bolts 505, the bolts 505 and the nuts 506 are fixed, if the bottoms of the embedded pits are not flat, installation through holes which are not on the same horizontal line can be selected on the two fixed blocks 3 by the two installation blocks 504, the installation is carried out, the pre-buried pit does not need to be corrected, and the installation can be horizontal;
meanwhile, as shown in fig. 1 and 3, when a cable is installed, the cable passes through the device shell 401, the cable is wound on the rope drum 407, the cable is pulled continuously, the cable drives the rope drum 407 to rotate, the rope drum 407 drives the toothed disc 406 to rotate, the toothed disc 406 drives the catch wheel 404 to rotate, the catch wheel 404 drives the wheel carrier 403 to rotate inside the connecting block 402, the return spring 408 rotates, the cable is stretched inside the cabinet 1, when a gap between teeth on the toothed disc 406 rotates to the next, the return spring 408 resets the wheel carrier 403, and the cycle is performed, if an external cable receives an external force, the cable drives the rope drum 407 to rotate, the toothed disc 406 rotates, the toothed disc 406 drives the wheel carrier 403 to rotate through the catch wheel 404, but the L plate 405 fixes the wheel carrier 403 and cannot rotate in the reverse direction, so that the cable inside the cabinet 1 cannot move, the parts on the inner wall of the cabinet body 1 can not be damaged;
according to fig. 1 and 2, after installation, when the top of the buffering mechanism 2 is subjected to an external force, the external force drives the ceiling 201 to move, the telescopic rod 202 compresses, the telescopic rod 202 limits the moving direction of the ceiling 201, when the ceiling 201 moves, the forward toothed plate 203 is driven to move downwards, the forward toothed plate 203 drives the gear 204 to rotate, when the gear 204 rotates, the reverse toothed plate 208 moves, when the reverse toothed plate 208 moves, the connecting plate 207 and the rotating block 209 are simultaneously driven to move, the connecting plate 207 drives the sleeve 206 to move, the sleeve 206 slides on the sliding rod 205, the sliding rod 205 limits the sleeve 206, so that the connecting plate 207 limits the reverse toothed plate 208, when the rotating block 209 moves, the rotating block 209 drives the tops of the two driving rods 210 to rotate, so as to rotate the two sliding cylinders 211, the sliding cylinder 211 slides on the limiting rod 212, the two sliding cylinders 211 compress the extension spring 213 for buffering, and when external force is not applied, the extension spring 213 can rapidly enable the two sliding cylinders 211 to reset, so that the two driving rods 210 drive the rotating block 209 to reset, and the reverse toothed plate 208 is reset, so that the gear 204 rotates reversely, and the forward toothed plate 203 drives the ceiling 201 to reset.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.