CN116316320A - Buried cable branch box for electric power construction - Google Patents

Abstract

The invention relates to the technical field of cable branch boxes, in particular to a buried cable branch box for electric power construction, which comprises a mounting box, branch plates, a wire through block, a waterproof electric push rod, a ventilating mechanism, a heat dissipation mechanism and the like, wherein the inner wall of the mounting box is connected with the branch plates for branching and arranging wires of cables, the mounting box is connected with at least two wire through blocks, at least three wire through holes are formed in the wire through blocks, two waterproof electric push rods are connected inside the mounting box, the ventilating mechanism is arranged on the mounting box, and the heat dissipation mechanism is arranged on the mounting box. According to the invention, the branching plate can branch and arrange cables, after the installation box is buried in the ground, the ventilation fan can enable hot air in the installation box and cold air outside the installation box to circularly flow, the cooling liquid can cool the hot air, generated steam can be liquefied and flow onto the sponge strip under the action of the condensing plate, and the cooling liquid on the sponge strip is radiated through the radiating fan, so that the cables can be effectively ventilated and radiated, and the radiating effect is improved.

Description

Buried cable branch box for electric power construction

Technical Field

The invention relates to the technical field of cable branch boxes, in particular to a buried cable branch box for electric power construction.

Background

The electric power construction includes power construction and electric wire netting construction, and the electric power construction in-process can use cable feeder pillar generally, and the effect of cable feeder pillar is with cable tapping or switching, and wherein buried cable feeder pillar can directly bury underground, has the advantage of simple installation and reduction area.

The patent publication No. CN 212412523U's chinese patent discloses a buried distributing box, the power distribution box comprises a box body, set up the storage tank that is used for holding the block terminal on the box, be provided with the support frame that supplies the block terminal to keep flat on the storage tank, parallel arrangement is personally submitted with the storage tank bottom to the support frame, be provided with the driving piece that is used for driving the support frame to carry out tilting motion on the storage tank, storage tank opening part lid is equipped with the shrouding.

The above-mentioned patent is through wiring Kong Duixian cable branch of working a telephone switchboard, but the cable can produce more heat after long-time use, and box and cable are arranged in the ground, and above-mentioned patent is difficult to ventilate the heat dissipation to the cable, leads to the heat to be difficult to in time give off, and ventilation radiating effect is relatively poor, if cable temperature is too high, and the cable is easy to generate heat and is on fire, causes the cable to damage.

Disclosure of Invention

The invention aims to overcome the defects that the heat is difficult to timely dissipate due to the fact that the cable is difficult to ventilate and dissipate heat in the prior art and the ventilation and heat dissipation effects are poor.

The technical implementation scheme of the invention is as follows: the utility model provides a buried cable feeder pillar for electric power construction, including the mounting box, division board and logical line piece, mounting box inner wall is connected with the division board that is used for carrying out branch winding displacement to the cable, be connected with two at least logical line pieces on the mounting box, all open on the logical line piece and have three at least logical line hole, still including waterproof electric putter, the lifter, sealed lid, ventilation mechanism and cooling body, mounting box internal connection has two waterproof electric putter, all be connected with the lifter on waterproof electric putter's the telescopic link, be connected with the sealed lid that is used for playing sealed effect between two lifters, be equipped with ventilation mechanism on the mounting box, be equipped with cooling body on the mounting box.

More preferably, the ventilation mechanism is including first ventilation frame, the second ventilation frame, waterproof motor, the ventilation fan, the third ventilation frame, flexible cover and fourth ventilation frame, be connected with first ventilation frame on the mounting box, first ventilation frame internally mounted has the ventilation fan that is used for making the air circulation flow, be connected with waterproof motor on the first ventilation frame, waterproof motor's output shaft passes through the shaft coupling and is connected with the flabellum of ventilation fan, the intercommunication has the second ventilation frame on the first ventilation frame, the one end rotation type that the first ventilation frame was kept away from to the second ventilation frame is connected with the fourth ventilation frame, the intercommunication has flexible cover between second ventilation frame and the fourth ventilation frame, all be spaced apart on second ventilation frame and the third ventilation frame and have a plurality of air vent, the one end intercommunication that the second ventilation frame was kept away from to the first ventilation frame has the fourth ventilation frame, a plurality of air vent has also been opened to fourth ventilation frame upper end.

More preferably, the heat dissipation mechanism comprises a condensation plate, a liquid storage tank, a heat conducting plate, a connecting frame, a grid frame, sponge strips, a heat dissipation fan, a flow guide frame, flow guide blocks, heat dissipation frames and baffle plates, wherein the liquid storage tank for storing cooling liquid is connected to the installation tank, the heat conducting plate for conducting heat to hot air is connected to the inner bottom of the liquid storage tank, the two connecting frames are connected to the inner portion of the liquid storage tank, the grid frames are connected to the connecting frame at intervals, the sponge strips are connected to the inner portion of the grid frames at intervals, the heat dissipation fan for dissipating heat to the cooling liquid is arranged on the connecting frames, the flow guide frames are obliquely arranged backwards, the flow guide blocks are connected to the flow guide frames, the top of the flow guide blocks are low on the two sides, the condensation plate is installed on the flow guide frames, the heat dissipation frames are communicated with the heat dissipation frames at intervals, and the baffle plates are connected to the heat dissipation holes of the heat dissipation frames at intervals.

More preferably, the scraper mechanism comprises an impeller, a firework rod, a guide rod, a sliding rod, a scraping plate and a connecting rod, wherein the firework rod is rotatably connected between the liquid storage tank and the heat conducting plate, the impeller is connected to the firework rod, the impeller is positioned inside the first ventilation frame, the guide rod is connected between the liquid storage tank and the heat conducting plate, the sliding rod is connected to the guide rod in a sliding mode, the sliding rod is in threaded connection with the firework rod, the two scraping plates for scraping cooling liquid are connected to the heat conducting plate in a sliding mode, and the connecting rod is rotatably connected between the scraping plate and the sliding rod.

More preferably, the device further comprises an extrusion mechanism, the extrusion mechanism comprises an extrusion frame, a first compression spring and an extrusion rod, two extrusion frames used for extruding sponge strips are connected in the liquid storage tank in a sliding mode, a plurality of through holes are formed in the extrusion frames at intervals, two first compression springs are connected between the extrusion frames and the liquid storage tank, the extrusion frames are connected with adjacent grid frames in a sliding mode, the extrusion frames move backwards and are in contact with the adjacent sponge strips, the extrusion rods are connected to the extrusion frames, and the sliding rods move upwards and are in contact with the extrusion rods.

More preferably, the sealing mechanism comprises a squeezing block, a fixing frame, sliding frames, second compression springs, spiral rods, rotating blocks, piston cylinders, expansion rings and piston blocks, wherein two squeezing blocks are connected to a sealing cover, the fixing frame is connected to the inside of the mounting box in a sliding mode, the two sliding frames are connected to the fixing frame in a sliding mode, the second compression springs are connected between the sliding frames and the fixing frame, the rotating blocks are connected to the sliding frames in a sliding mode, the two spiral rods are connected to the fixing frame in a sliding mode, the rotating blocks are connected with the adjacent spiral rods in a threaded mode, one ends, far away from each other, of the spiral rods are connected with the piston blocks, the piston cylinders are connected to the adjacent piston cylinders in a sliding mode in a sealing mode, expansion rings used for sealing cables are connected to the through line holes of the through line blocks in a sliding mode, and the rings are communicated with the adjacent piston cylinders.

More preferably, the baffles are all arranged obliquely downwards.

More preferably, the side of the extrusion rod, which is close to the sliding rod, is inclined.

Compared with the prior art, the invention has the following advantages: 1. according to the invention, the branching plate can branch and arrange cables, after the installation box is buried in the ground, the ventilation fan can enable hot air in the installation box and cold air outside the installation box to circularly flow, the cooling liquid can cool the hot air, generated steam can be liquefied and flow onto the sponge strip under the action of the condensing plate, and the cooling liquid on the sponge strip is radiated through the radiating fan, so that the cables can be effectively ventilated and radiated, and the radiating effect is improved.

2. According to the invention, the air flow in the first ventilation frame can push the impeller to rotate, so that the twist rod is driven to rotate, and the sliding rod is enabled to reciprocate up and down, so that the two scraping plates can slide left and right on the heat conducting plate, the scraping plates can scrape the cooling liquid at the lower layer of the liquid storage tank, the cooling liquid can flow circularly, and the heat dissipation effect is further improved.

3. When the sliding rod moves upwards, the sliding rod can extrude the extrusion rod to move backwards to drive the extrusion frame to move backwards, the extrusion frame can extrude the cooling liquid cooled in the sponge strip, so that the uncooled cooling liquid continuously enters the sponge strip for cooling, and the cooling effect is improved.

4. When the sealing cover and the extrusion block move downwards, the extrusion block can extrude the sliding frame to move downwards, so that the rotating block is driven to rotate downwards, the two spiral rods move to the side far away from each other, the piston block is driven to extrude air in the piston cylinder into the expansion ring, and the expansion ring is tightly contacted with a cable, so that the cable is sealed, water is prevented from entering the mounting box, and the sealing effect is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a schematic perspective view of a ventilation mechanism and a heat dissipation mechanism according to the present invention.

Fig. 4 is a schematic view of a partially cut-away structure of the ventilation mechanism and the heat dissipation mechanism of the present invention.

Fig. 5 is a schematic structural diagram of a heat dissipation mechanism according to the present invention.

Fig. 6 is a schematic structural view of the liquid storage tank, the heat dissipation frame and the baffle plate of the present invention.

Fig. 7 is an exploded view of the connection frame, the grid, the sponge strip and the heat radiation fan of the present invention.

Fig. 8 is a schematic structural view of the guide frame and the guide block of the present invention.

Fig. 9 is a schematic structural view of the heat dissipating mechanism, the scraping mechanism and the pressing mechanism of the present invention.

Fig. 10 is a schematic structural view of the pressing mechanism of the present invention.

FIG. 11 is a schematic view of the structure of the extrusion frame of the present invention.

Fig. 12 is a schematic structural view of the sealing mechanism of the present invention.

FIG. 13 is a schematic view in partial cross-section of a seal mechanism of the present invention.

The marks of the components in the drawings are as follows: 1. mounting box, 2, branching plate, 3, wire block, 31, wire hole, 4, waterproof electric putter, 5, lifting rod, 6, sealing cover, 71, first ventilation frame, 72, second ventilation frame, 73, waterproof motor, 74, ventilation fan, 75, third ventilation frame, 76, telescopic cover, 77, fourth ventilation frame, 80, condensing plate, 81, liquid tank, 82, heat conducting plate, 83, connecting frame, 84, grid frame, 85, sponge strip, 86, radiator fan, 87, guide frame, 870, guide block, 88, radiator frame, 89, baffle, 91, impeller, 92, twist rod, 93, guide rod, 94, slide rod, 95, scraper blade, 96, connecting rod, 101, extrusion frame, 102, first compression spring, 103, extrusion rod, 104, through hole, 111, extrusion block, 112, fixing frame, 113, slide frame, 114, second compression spring, 115, screw rod, 116, rotary block, 117, piston cylinder, 118, expansion ring, 119, piston block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

The utility model provides a buried cable feeder pillar for electric power construction, as shown in fig. 1-8, including mounting box 1, division board 2, lead to line piece 3, waterproof electric putter 4, lifter 5, sealed lid 6, ventilation mechanism and cooling mechanism, mounting box 1 inner wall rear side rigid coupling has division board 2, the equal rigid coupling in mounting box 1 left side and right side has lead to line piece 3, all open three through-hole 31 on the line piece 3, through passing the cable through-hole 31, can carry out branch winding displacement to the cable, mounting box 1 inner bottom bilateral symmetry bolt has waterproof electric putter 4, all rigid coupling has lifter 5 on the telescopic link of waterproof electric putter 4, rigid coupling has sealed lid 6 between two lifter 5, drive lifter 5 and sealed lid 6 down through control waterproof electric putter 4, make sealed lid 6 cover seal, be equipped with ventilation mechanism on mounting box 1, be equipped with cooling mechanism on the mounting box 1.

As shown in fig. 1-4, the ventilation mechanism comprises a first ventilation frame 71, a second ventilation frame 72, a waterproof motor 73, a ventilation fan 74, a third ventilation frame 75, a telescopic cover 76 and a fourth ventilation frame 77, wherein the first ventilation frame 71 is welded at the lower part of the installation box 1, the ventilation fan 74 is installed at the front side inside the first ventilation frame 71, the waterproof motor 73 is bolted to the front side of the first ventilation frame 71, an output shaft of the waterproof motor 73 is fixedly connected with the fan blades of the ventilation fan 74 through a coupling, the left end of the first ventilation frame 71 is communicated with the second ventilation frame 72, one end of the second ventilation frame 72, far away from the first ventilation frame 71, is rotatably connected with the fourth ventilation frame 77, the telescopic cover 76 is communicated between the second ventilation frame 72 and the fourth ventilation frame 77, one end of the second ventilation frame 72, far away from the second ventilation frame 72, the fourth ventilation frame 77 is communicated with one end of the fourth ventilation frame 77, and a plurality of ventilation holes are also formed in the upper end of the fourth ventilation frame 77, and when the first ventilation frame 71 is far away from the second ventilation frame 72, the second ventilation frame 75 can be discharged through the second ventilation frame 75, the second ventilation frame 71 and the fourth ventilation frame 77, thereby the heat can be dissipated.

As shown in fig. 2-8, the heat dissipation mechanism includes a condensation plate 80, a liquid storage tank 81, a heat conducting plate 82, a connection frame 83, a grid frame 84, a sponge strip 85, a heat dissipation fan 86, a flow guide frame 87, a flow guide block 870, a heat dissipation frame 88 and a baffle 89, the liquid storage tank 81 is welded at the rear side of the installation tank 1, the heat conducting plate 82 is fixedly connected at the bottom of the liquid storage tank 81, the heat conducting plate 82 plays a role in heat conduction, so that hot air in the first ventilation frame 71 and cooling liquid in the liquid storage tank 81 exchange heat, the connection frame 83 which is symmetrically arranged is fixedly connected at the inner part of the liquid storage tank 81, the grid frame 84 is fixedly connected on the connection frame 83, a plurality of sponge strips 85 are fixedly connected at intervals inside the grid frame 84, the heat dissipation fan 86 is mounted at the rear side of the connection frame 83, the flow guide frame 87 is fixedly connected at the top of the flow guide frame 87, the flow guide block 870 is obliquely arranged backwards, the flow guide block 870 is fixedly connected at the top of the flow guide block 870 is high and low in the middle, the top of the flow guide frame 87 is provided with the condensation plate 80, when the cooling liquid is heated, the cooling liquid is enabled to be heated, the liquid in the condensation plate 80 is enabled to be liquid, the cooling liquid is enabled to flow under the effect of the condensation plate 80, the cooling liquid and the cooling liquid is enabled to flow at the cooling holes to be controlled to flow guide frame 89, and the heat dissipation holes are obliquely arranged at the side of the sponge strips and the heat dissipation frame 85 are connected at the back side and the heat dissipation frame 88, and the heat dissipation hole is connected at the cooling frame 88.

When the cable is required to be buried and branched, the cable is led to pass through the cable hole 31, the cable can be branched and arranged through the branching plate 2, the waterproof electric push rod 4 is controlled to drive the lifting rod 5 to move downwards to drive the sealing cover 6 to move downwards, the sealing cover 6 covers the upper part of the mounting box 1, so that the mounting box 1 is sealed, when the sealing cover 6 contacts with the third ventilating frame 75, the sealing cover 6 presses the third ventilating frame 75 to rotate downwards, the telescopic cover 76 is shortened, the third ventilating frame 75 can be retracted inside the mounting box 1, then the mounting box 1 is completely buried in the ground, the fourth ventilating frame 77 and the upper half part of the radiating frame 88 are exposed to the outside, the waterproof motor 73 is controlled to drive the fan blades of the ventilating fan 74 to rotate, the hot air in the installation box 1 is discharged to the outside through the third ventilation frame 75, the second ventilation frame 72, the first ventilation frame 71 and the fourth ventilation frame 77, the ventilation holes play a role, the cold air outside can enter the installation box 1 again, the air can be circulated, thereby ventilating and radiating the cable, meanwhile, the heat conducting plate 82 can conduct the heat in the hot air into the cooling liquid, the cooling liquid can cool the hot air, when the cooling liquid is heated and evaporated into gas, the steam can flow upwards, when the steam contacts with the condensing plate 80, the temperature of the condensing plate 80 is lower, the steam can be liquefied into the cooling liquid, the cooling liquid can flow downwards under the action of gravity, the guide frame 87 and the guide block 870 can guide the cooling liquid, the cooling liquid can flow onto the sponge strips 85 at two sides, the sponge strips 85 can absorb the cooling liquid, the time of the cooling liquid falling downwards is increased, at the moment, the cooling fan 86 is controlled to blow, the cooling liquid with higher temperature on the sponge strip 85 is cooled, the cooling holes play a role in ventilation and heat dissipation, the baffle 89 arranged obliquely can prevent rainwater from entering the cooling frame 88 through the cooling holes, and cooled cooling liquid can flow back into the liquid storage tank 81 under the action of gravity, so that the cooling effect can be effectively improved.

Example 2

On the basis of embodiment 1, as shown in fig. 9, the scraper mechanism further comprises an impeller 91, a twist rod 92, a guide rod 93, a sliding rod 94, a scraper 95 and a connecting rod 96, wherein the twist rod 92 is rotationally connected between the liquid storage tank 81 and the heat conducting plate 82, the impeller 91 is fixedly connected to the bottom end of the twist rod 92, the impeller 91 is positioned in the first ventilation frame 71, when air in the first ventilation frame 71 circularly flows, the impeller 91 is pushed to rotate by air flow, the guide rod 93 is fixedly connected between the liquid storage tank 81 and the heat conducting plate 82, the sliding rod 94 is slidingly connected to the guide rod 93, the sliding rod 94 is in threaded connection with the twist rod 92, two symmetrically arranged scrapers 95 are slidingly connected to the top of the heat conducting plate 82, and when the scrapers 95 slide left and right, the scrapers 95 can scrape the lower-layer cooling liquid to circularly flow, and the connecting rod 96 is rotationally connected between the scrapers 95 and the sliding rod 94.

When air circulates in the first ventilation frame 71, the air flow can push the impeller 91 to rotate, so as to drive the twisted rod 92 to rotate, the sliding rod 94 can reciprocate up and down under the action of the threaded connection, when the sliding rod 94 moves up, the two scraping plates 95 are driven to move towards one side close to each other under the transmission action of the connecting rod 96, when the sliding rod 94 moves down, the two scraping plates 95 are driven to move towards one side far away from each other under the transmission action of the connecting rod 96, so that the reciprocating operation can enable the two scraping plates 95 to slide left and right on the heat conducting plate 82, the scraping plates 95 can scrape the cooling liquid at the lower layer of the liquid storage tank 81, the cooling liquid can circulate, and the heat dissipation effect is further improved.

As shown in fig. 9, 10 and 11, the device further comprises an extrusion mechanism, the extrusion mechanism comprises an extrusion frame 101, a first compression spring 102 and an extrusion rod 103, the inside of the liquid storage tank 81 is connected with the extrusion frames 101 in a sliding mode, a plurality of through holes 104 are formed in the extrusion frames 101 at intervals, the first compression springs 102 are symmetrically connected between the extrusion frames 101 and the liquid storage tank 81 up and down, the extrusion frames 101 are connected with the adjacent grid frames 84 in a sliding mode, the extrusion frames 101 move backwards and are in contact with the adjacent sponge strips 85, so that cooling liquid after cooling in the sponge strips 85 can be extruded, uncooled cooling liquid continuously enters the sponge strips 85, the extrusion rods 103 are fixedly connected to the extrusion frames 101, one sides of the extrusion rods 103 close to the sliding rods 94 are inclined planes, and the sliding rods 94 move upwards and are in contact with the extrusion rods 103.

When the sliding rod 94 moves upwards to contact with the extrusion rod 103, the sliding rod 94 can extrude the extrusion rod 103 to move backwards to drive the extrusion frame 101 to move backwards, the first compression spring 102 is compressed, and when the extrusion frame 101 contacts with the sponge strip 85, the extrusion frame 101 can extrude the cooling liquid cooled in the sponge strip 85, so that the uncooled cooling liquid continuously enters the sponge strip 85 to be cooled, and the cooling effect is improved.

As shown in fig. 12 and 13, the sealing mechanism is further included, the sealing mechanism includes extrusion block 111, fixing frame 112, sliding frame 113, second compression spring 114, screw rod 115, rotation block 116, piston tube 117, expansion ring 118 and piston block 119, two symmetrically arranged extrusion blocks 111 are fixedly connected to the bottom of sealing cover 6, fixing frame 112 is fixedly connected to the bottom in installation box 1, two symmetrically arranged sliding frames 113 are connected to fixing frame 112 in a sliding manner, extrusion blocks 111 are longitudinally aligned with adjacent sliding frames 113, second compression springs 114 are connected between sliding frames 113 and fixing frame 112, rotation blocks 116 are respectively connected to the middle of sliding frame 113 in a rotating manner, two symmetrically arranged screw rods 115 are respectively connected to fixing frame 112 in a sliding manner, one ends of screw rods 115, which are mutually far away, are respectively fixedly connected with piston blocks 119, when sliding frames 113 move downwards, the rotation blocks 116 rotate downwards, the screw rods 115 move towards one sides far away from each other, the piston blocks 1197 are driven to move towards one sides far away from each other, the piston rings 119 are respectively connected to the piston tube 117 through wire rods 3, and the adjacent piston tubes are respectively connected to the expansion ring 117, and when the expansion rings are connected to the piston tubes 117, expansion rings are respectively connected to the adjacent piston tubes, and the expansion rings are connected to the expansion rings 117, and the expansion rings are respectively connected to the expansion rings are connected to the expansion rings and the expansion rings.

When sealed lid 6 down moves, drive extrusion piece 111 down motion, when extrusion piece 111 and carriage 113 contact, extrusion piece 111 can extrude carriage 113 down motion, drive the rotation piece 116 and rotate down, the compression of second compression spring 114, can make two hob 115 move to the one side that keeps away from each other under threaded connection's effect, drive piston piece 119 and move to the one side that keeps away from each other, piston piece 119 can extrude the air in the piston cylinder 117 to in the expansion ring 118, make expansion ring 118 inflation, the expansion ring 118 of inflation can with cable in close contact, thereby seal the cable, prevent that water from getting into in the mounting box 1, improve sealed effect.

While the present disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. The scope of the disclosure should, therefore, not be limited to the above-described embodiments, but should be determined not only by the following claims, but also by the equivalents of the following claims.

Claims (8)

1. The utility model provides a buried cable feeder pillar for electric power construction, including install bin (1), division board (2) and logical line piece (3), install bin (1) inner wall connection has branch board (2) that are used for carrying out branch winding displacement to the cable, is connected with two at least logical line piece (3) on install bin (1), all opens on logical line piece (3) and has three at least lead to line hole (31), characterized by: still including waterproof electric putter (4), lifter (5), sealed lid (6), ventilation mechanism and heat dissipation mechanism, install bin (1) internally connected has two waterproof electric putter (4), all is connected with lifter (5) on the telescopic link of waterproof electric putter (4), is connected with sealed lid (6) that are used for playing sealed effect between two lifter (5), is equipped with ventilation mechanism on install bin (1), is equipped with heat dissipation mechanism on install bin (1).

2. The underground cable feeder pillar for electric power construction according to claim 1, wherein: the utility model provides a ventilation mechanism is including first ventilation frame (71), second ventilation frame (72), waterproof motor (73), ventilation fan (74), third ventilation frame (75), flexible cover (76) and fourth ventilation frame (77), be connected with first ventilation frame (71) on install bin (1), first ventilation frame (71) internally mounted has ventilation fan (74) that are used for making the air circulation flow, be connected with waterproof motor (73) on first ventilation frame (71), the output shaft of waterproof motor (73) passes through the shaft coupling and is connected with the flabellum of ventilation fan (74), the intercommunication has second ventilation frame (72) on first ventilation frame (71), the one end rotation that first ventilation frame (71) were kept away from to second ventilation frame (72) is connected with fourth ventilation frame (77), the intercommunication has flexible cover (76) between second ventilation frame (72) and fourth ventilation frame (77), all the spacing has a plurality of air vent on second ventilation frame (72) and the third ventilation frame (75), the one end intercommunication that second ventilation frame (72) were kept away from to first frame (71) has a plurality of air vent (77), a plurality of ventilation end cross (77) have.

3. The underground cable feeder pillar for electric power construction according to claim 1, wherein: the heat radiation mechanism comprises a condensing plate (80), a liquid storage tank (81), a heat conducting plate (82), a connecting frame (83), a grid frame (84), a sponge strip (85), a heat radiation fan (86), a flow guide frame (87), a flow guide block (870), a heat radiation frame (88) and a baffle plate (89), be connected with on installing box (1) and be used for storing liquid coolant's liquid reserve tank (81), be connected with in liquid reserve tank (81) and be used for carrying out heat conduction board (82) to the hot air, liquid reserve tank (81) internal connection has two connecting frame (83), all be connected with grid frame (84) on connecting frame (83), grid frame (84) inside interval is connected with a plurality of sponge strip (85), all install on connecting frame (83) and be used for carrying out radiating radiator fan (86) to the coolant, be connected with water conservancy diversion frame (87) on liquid reserve tank (81), water conservancy diversion frame (87) are backward slope setting, be connected with water conservancy diversion piece (870) on water conservancy diversion frame (87), water conservancy diversion piece (870) top is high both sides low in the centre, install condensation plate (80) on water conservancy diversion frame (87), the intercommunication has heat dissipation frame (88) on liquid reserve tank (81), heat dissipation frame (88) upper portion interval has a plurality of louvre, heat dissipation hole department all is connected with baffle (89).

4. A buried cable distribution box for electric power construction according to claim 3, wherein: the novel scraper comprises a scraper mechanism, and is characterized by further comprising an impeller (91), a twist rod (92), a guide rod (93), a sliding rod (94), a scraping plate (95) and a connecting rod (96), wherein the twist rod (92) is rotationally connected between a liquid storage tank (81) and a heat conducting plate (82), the impeller (91) is connected onto the twist rod (92), the impeller (91) is positioned inside a first ventilation frame (71), the guide rod (93) is connected between the liquid storage tank (81) and the heat conducting plate (82), the sliding rod (94) is slidingly connected onto the guide rod (93), the sliding rod (94) is in threaded connection with the twist rod (92), two scraping plates (95) for scraping cooling liquid are slidingly connected onto the heat conducting plate (82), and the connecting rod (96) is rotationally connected between the scraping plate (95) and the sliding rod (94).

5. The underground cable feeder pillar for electric power construction according to claim 4, wherein: still including extrusion mechanism, extrusion mechanism is including extrusion frame (101), first compression spring (102) and extrusion pole (103), inside slidingtype of liquid reserve tank (81) is connected with two extrusion frames (101) that are used for extrusion sponge strip (85), all be spaced apart on extrusion frame (101) have a plurality of through-hole (104), all be connected with two first compression springs (102) between extrusion frame (101) and liquid reserve tank (81), extrusion frame (101) all are connected with adjacent grid frame (84) slidingtype, extrusion frame (101) backward motion can be with adjacent sponge strip (85) contact, all be connected with extrusion pole (103) on extrusion frame (101), sliding rod (94) upward movement can be with extrusion pole (103) contact.

6. The underground cable feeder pillar for electric power construction according to claim 1, wherein: the sealing mechanism comprises a squeezing block (111), a fixing frame (112), a sliding frame (113), a second compression spring (114), a screw rod (115), a rotating block (116), a piston cylinder (117), an expansion ring (118) and a piston block (119), wherein two squeezing blocks (111) are connected to the sealing cover (6), the fixing frame (112) is connected to the inside of the mounting box (1), two sliding frames (113) are connected to the fixing frame (112) in a sliding mode, a second compression spring (114) is connected between the sliding frames (113) and the fixing frame (112), the rotating blocks (116) are connected to the rotating block (116) in a rotating mode, the fixing frame (112) is connected to the two screw rods (115) in a sliding mode, the rotating blocks (116) are connected with the adjacent screw rods (115) in a threaded mode, the piston blocks (119) are connected to one end, far away from each other, the piston blocks (119) are connected to the adjacent piston cylinders (117) in a sliding mode, the screw rods (115) are connected to the sliding type sealing mode, the screw rods (115) are connected to the adjacent piston cylinders (117) in a sliding mode, the connecting holes (31) are connected to the connecting rods (117) in a sliding mode, the expansion rings (118) are each in communication with an adjacent piston cylinder (117).

7. A buried cable distribution box for electric power construction according to claim 3, wherein: the baffle plates (89) are all arranged in a downward inclined way.

8. A buried cable distribution box for electric power construction according to claim 5, wherein: the side of the extrusion rod (103) close to the sliding rod (94) is an inclined plane.

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