CN214204740U - Fire prevention crane span structure apron - Google Patents
Fire prevention crane span structure apron Download PDFInfo
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- CN214204740U CN214204740U CN202023186389.3U CN202023186389U CN214204740U CN 214204740 U CN214204740 U CN 214204740U CN 202023186389 U CN202023186389 U CN 202023186389U CN 214204740 U CN214204740 U CN 214204740U
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- crane span
- span structure
- fixedly connected
- fire
- cover plate
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Abstract
The utility model relates to a cable testing bridge technical field, especially a fire prevention crane span structure apron, including the crane span structure box, the equal fixedly connected with support flange in both sides at crane span structure box inner wall top, support flange's top is provided with the crane span structure apron, the top fixedly connected with of crane span structure apron puts out a fire husky bin. The utility model has the advantages that: through having set up the baffle, the edge fixedly connected with fixed block of baffle bottom surface middle part one side, the middle part fixedly connected with tension spring of fixed block side, tension spring keeps away from the one end fixedly connected with card post of fixed block, be provided with the glass pipe between the centre of a circle department of card post side and the fixed block, the inner wall of glass pipe is full of kerosene liquid, when making the internal cable of crane span structure case on fire, the temperature of flame can make the intraductal kerosene inflation of glass prop and explode the glass pipe, tension spring pulls back the card post rapidly, make it break away from the card hole, then just can open the baffle, the sand in the sand bin of putting out a fire is discharged, put out the intensity of a fire.
Description
Technical Field
The utility model relates to a cable testing bridge technical field, especially a fire prevention crane span structure apron.
Background
The cable bridge is divided into structures such as a groove type cable bridge, a tray type cable bridge, a ladder type cable bridge, a grid bridge and the like, and is composed of a support, a supporting arm, an installation accessory and the like. The steel plate can be independently erected and also can be laid on various buildings (structures) and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts need to be galvanized and installed on an outdoor bridge outside the building, and if the steel plate is near the seaside or belongs to a corrosive area, the steel plate must have the physical characteristics of corrosion resistance, moisture resistance, good adhesive force and high impact strength.
However, the current trough deck cover has the following problems in use:
the existing groove type bridge cover plate is simple in structure, only has the function of covering a bridge, but does not have the fireproof effect, and when a cable is on fire, the outside cannot be seen, so that the fire is easily spread along the cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a fire prevention crane span structure apron, effectively solved prior art not enough.
The purpose of the utility model is realized through the following technical scheme: a fireproof bridge cover plate comprises a bridge box body, wherein supporting flanges are fixedly connected to two sides of the top of the inner wall of the bridge box body, a bridge cover plate is arranged on the top of each supporting flange, a fire extinguishing sand storage box is fixedly connected to the top of each bridge cover plate, a sealing cover is movably connected to the top of each fire extinguishing sand storage box, and a handle is fixedly connected to the middle of the top surface of each sealing cover;
the middle part of the bottom surface of the bridge cover plate is provided with a plurality of sand discharge holes, one side of the inner wall of each sand discharge hole is rotatably connected with a baffle, the edge of one side of the middle part of the bottom surface of the baffle is fixedly connected with a fixed block, the middle part of one side surface of the fixed block is fixedly connected with a tension spring, one end of the tension spring, far away from the fixed block, is fixedly connected with a clamping column, a glass tube is arranged between the circle center of one side surface of the clamping column and the fixed block, the inner wall of the glass tube is filled with kerosene liquid, and the glass tube can be burst due to higher expansion coefficient of the kerosene, so that the support between the clamping column and the fixed block is lost, the tension spring rapidly pulls back the clamping column to separate the clamping hole, and then the baffle can be opened;
the middle part of the bottom surface of the bridge cover plate, which is close to one side of the sand discharge holes, is fixedly connected with a plurality of connecting blocks respectively, and the centers of the connecting blocks are provided with clamping holes.
Optionally, the width of crane span structure apron and the width looks adaptation of crane span structure box inner wall, the inner wall interference fit of crane span structure apron and crane span structure box, the edge of crane span structure apron both sides all is provided with sealed the pad, the interval between support flange top surface to the crane span structure box top surface equals with the crane span structure apron thickness, the equal fixedly connected with handle in both sides of crane span structure apron top surface.
Optionally, one side fixedly connected with backup pad of fixed block is kept away from in the middle part of the baffle bottom surface, the card post runs through the backup pad, card post and backup pad sliding connection.
Optionally, the position of the clamping column corresponds to the position of the clamping hole, the diameter of the clamping column is matched with the diameter of the inner wall of the clamping hole, the clamping column is inserted into the clamping hole, and the length of the clamping column is greater than that of the inner wall of the clamping hole.
Optionally, the tension spring is sleeved on the outer wall of the glass tube, the reset stroke of the tension spring is greater than the length of the clamping column, and the width of the baffle is greater than the sum of the length of the reset tension spring and the length of the clamping column, so that the tension spring can fully pull the clamping column back to the bottom of the baffle to enable the clamping column to be separated from the clamping hole, and the opening of the baffle is realized.
It is optional, a plurality of the length and the width of row's husky hole all equal with the length and the width of baffle, a plurality of the length of row's husky hole all equals with the interval between two support flange edges, and is a plurality of the row's husky hole all is linked together with the inside of the husky bin of putting out a fire.
The utility model has the advantages of it is following:
the fireproof bridge cover plate is provided with a bridge cover plate, the top of the bridge cover plate is fixedly connected with a fire extinguishing sand storage box, the middle part of the bottom surface of the bridge cover plate is provided with a plurality of sand discharging holes, one side of the inner wall of the sand discharging holes is rotatably connected with a baffle plate, the edge of one side of the middle part of the bottom surface of the baffle plate is fixedly connected with a fixed block, the middle part of one side surface of the fixed block is fixedly connected with a tension spring, one end of the tension spring, far away from the fixed block, is fixedly connected with a clamping column, a glass tube is arranged between the circle center of one side surface of the clamping column and the fixed block, the inner wall of the glass tube is filled with kerosene liquid, the middle part of the bottom surface of the bridge cover plate, close to one side of the sand discharging holes, is respectively and fixedly connected with a plurality of connecting blocks, the centers of the connecting blocks are provided with clamping holes, the positions of the clamping columns correspond to the positions of the clamping holes, the diameters of the clamping columns are matched with the diameters of the inner walls of the clamping holes, and the clamping columns are spliced with the clamping holes, the length of card post is greater than the length of card hole inner wall, and tension spring cup joints in the outer wall of glass pipe, tension spring's the stroke that resets is greater than the length of card post, the width of baffle is greater than the length sum of tension spring back length and card post that resets, a plurality of rows of sand holes all are linked together with the inside of putting out a fire the sand bin, when can making cable on fire in the crane span structure box, the temperature of flame can make the intraductal kerosene inflation of glass, because kerosene expansion coefficient is higher, can prop and explode the glass pipe, thereby make and lose the support between card post and the fixed block, tension spring pulls back the card post rapidly, make it break away from the card hole, then just can open the baffle, the sand in the sand bin is put out a fire to the discharge, put out a fire, and the space in the crane span structure box can also be separated to the sand, prevent that the fire from spreading.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the bridge cover plate of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic side view of the present invention.
In the figure: the fire extinguishing sand storage box comprises a bridge box body 1, a support flange 2, a bridge cover plate 3, a fire extinguishing sand storage box 4, a sealing cover 5, a handle 6, a handle 7, a handle 8, a connecting block 8, a clamping hole 9, a clamping column 10, a fixing block 11, a tension spring 12, a glass tube 13, a sand discharge hole 14, a baffle 15 and a support plate 16.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 4, the utility model provides a fireproof bridge cover plate, which comprises a bridge box body 1, wherein both sides of the top of the inner wall of the bridge box body 1 are fixedly connected with supporting flanges 2, the top of the supporting flange 2 is provided with a bridge cover plate 3, the top of the bridge cover plate 3 is fixedly connected with a fire extinguishing sand storage tank 4, the top of the fire extinguishing sand storage tank 4 is movably connected with a sealing cover 5, and the middle part of the top surface of the sealing cover 5 is fixedly connected with a handle 6;
the middle part of the bottom surface of the bridge cover plate 3 is provided with a plurality of sand discharge holes 14, one side of the inner wall of each of the sand discharge holes 14 is rotatably connected with a baffle plate 15, the edge of one side of the middle part of the bottom surface of the baffle plate 15 is fixedly connected with a fixed block 11, the middle part of one side surface of the fixed block 11 is fixedly connected with a tension spring 12, one end of the tension spring 12, which is far away from the fixed block 11, is fixedly connected with a clamping column 10, a glass tube 13 is arranged between the circle center of one side surface of the clamping column 10 and the fixed block 11, the inner wall of the glass tube 13 is filled with kerosene liquid, the kerosene liquid has high expansion coefficient and is sensitive, and can be rapidly heated and expanded when a fire occurs, the glass tube 13 is burst, and the kerosene liquid can be replaced by any liquid with high expansion coefficient;
the middle part of the bottom surface of the bridge cover plate 3, which is close to one side of the sand discharge holes 14, is fixedly connected with a plurality of connecting blocks 8 respectively, and the centers of the connecting blocks 8 are provided with clamping holes 9.
As an optional technical solution of the utility model: the width of crane span structure apron 3 and the width looks adaptation of 1 inner wall of crane span structure box, the inner wall interference fit of crane span structure apron 3 and crane span structure box 1, interference fit has the tight effect of clamp, the stability of being connected of crane span structure apron 3 and crane span structure box 1 is improved, the edge of crane span structure apron 3 both sides all is provided with sealed the pad, can improve the seal through sealed the pad, prevent that the sand from weing, the interval between 2 top surfaces of support flange to 1 top surfaces of crane span structure box equals with the thickness of crane span structure apron 3, the equal fixedly connected with handle 7 in both sides of 3 top surfaces of crane span structure apron.
As an optional technical solution of the utility model: one side fixedly connected with backup pad 16 of fixed block 11 is kept away from in the middle part of 15 bottom surfaces of baffle, and card post 10 runs through backup pad 16, blocks post 10 and backup pad 16 sliding connection, through backup pad 16, can be connected with the help of the stroke between card post 10 and card hole 9 and the connecting block 8, and baffle 15 withstands card post 10 through backup pad 16 during the time.
As an optional technical solution of the utility model: the position of card post 10 corresponds with the position of calorie hole 9, and the diameter of card post 10 and the diameter looks adaptation of calorie hole 9 inner wall, and card post 10 pegs graft with calorie hole 9, and the length of card post 10 is greater than the length of calorie hole 9 inner wall, through calorie post 10, can block card hole 9 under normal condition to support that baffle 15 is closed.
As an optional technical solution of the utility model: the tension spring 12 is sleeved on the outer wall of the glass tube 13, the reset stroke of the tension spring 12 is larger than the length of the clamping column 10, and the width of the baffle 15 is larger than the sum of the length of the reset tension spring 12 and the length of the clamping column 10, so that the clamping column 10 can be completely pulled out of the clamping hole 9 after the tension spring 12 is reset, the baffle 15 and the bridge cover plate 3 are disconnected, and opening is achieved.
As an optional technical solution of the utility model: the length and the width of a plurality of sand discharge holes 14 all equal with the length and the width of baffle 15, and the length of a plurality of sand discharge holes 14 all equals with the interval between two 2 edges of support flange, and a plurality of sand discharge holes 14 all are linked together with the inside of husky bin 4 of putting out a fire to make the inside sand of husky bin 4 of putting out a fire discharge by a plurality of sand discharge holes 14 after baffle 15 is opened, realize putting out a fire.
The working process of the utility model is as follows: when a user uses the fire extinguishing bridge cover plate, the top of the bridge cover plate 3 is fixedly connected with a fire extinguishing sand storage box 4, the middle part of the bottom surface of the bridge cover plate 3 is provided with a plurality of sand discharging holes 14, one side of the inner wall of each sand discharging hole 14 is rotatably connected with a baffle plate 15, the edge of one side of the middle part of the bottom surface of the baffle plate 15 is fixedly connected with a fixed block 11, the middle part of one side surface of the fixed block 11 is fixedly connected with a tension spring 12, one end of the tension spring 12 far away from the fixed block 11 is fixedly connected with a clamping column 10, a glass tube 13 is arranged between the circle center of one side surface of the clamping column 10 and the fixed block 11, the inner wall of the glass tube 13 is filled with kerosene liquid, the middle part of the bottom surface of the bridge cover plate 3 close to one side of the sand discharging holes 14 is respectively and fixedly connected with a plurality of connecting blocks 8, the centers of the plurality of connecting blocks 8 are provided with clamping holes 9, the positions of the clamping columns 10 correspond to the positions of the clamping holes 9, and the diameters of the clamping columns 10 are matched with the diameters of the inner walls of the clamping holes 9, the clamping column 10 is inserted into the clamping hole 9, the length of the clamping column 10 is greater than that of the inner wall of the clamping hole 9, the tension spring 12 is sleeved on the outer wall of the glass tube 13, the reset stroke of the tension spring 12 is greater than that of the clamping column 10, the width of the baffle 15 is greater than the sum of the reset length of the tension spring 12 and the length of the clamping column 10, the sand discharge holes 14 are communicated with the interior of the fire extinguishing sand storage tank 4, so that when a cable in the bridge box body 1 is on fire, the kerosene in the glass tube 13 can be expanded due to the temperature of flame, because the kerosene has higher expansion coefficient, the glass tube 13 is burst, so that the support between the clamping column 10 and the fixed block 11 is lost, the tension spring 12 quickly pulls the clamping column 10 back to separate the clamping column from the clamping hole 9, then the baffle 15 is opened to discharge the sand in the fire extinguishing sand storage tank 4 to extinguish the fire, and the sand can also separate the space in the bridge box body 1 to prevent the fire from spreading.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fire prevention crane span structure apron which characterized in that: the fire extinguishing sand storage box comprises a bridge box body (1), wherein supporting flanges (2) are fixedly connected to two sides of the top of the inner wall of the bridge box body (1), a bridge cover plate (3) is arranged at the top of each supporting flange (2), a fire extinguishing sand storage box (4) is fixedly connected to the top of each bridge cover plate (3), a sealing cover (5) is movably connected to the top of each fire extinguishing sand storage box (4), and a handle (6) is fixedly connected to the middle of the top surface of each sealing cover (5);
the middle of the bottom surface of the bridge cover plate (3) is provided with a plurality of sand discharge holes (14), one sides of the inner walls of the sand discharge holes (14) are rotatably connected with baffle plates (15), the edge of one side of the middle of the bottom surface of each baffle plate (15) is fixedly connected with a fixing block (11), the middle of one side surface of each fixing block (11) is fixedly connected with a tension spring (12), one end, far away from the fixing block (11), of each tension spring (12) is fixedly connected with a clamping column (10), a glass tube (13) is arranged between the circle center of one side surface of each clamping column (10) and each fixing block (11), and the inner wall of each glass tube (13) is filled with kerosene liquid;
the middle part of the bottom surface of the bridge cover plate (3) close to one side of the sand discharge holes (14) is fixedly connected with a plurality of connecting blocks (8), and the centers of the connecting blocks (8) are provided with clamping holes (9).
2. The fire-resistant bridge deck cover plate of claim 1, wherein: the width of crane span structure apron (3) and the width looks adaptation of crane span structure box (1) inner wall, the inner wall interference fit of crane span structure apron (3) and crane span structure box (1), the edge of crane span structure apron (3) both sides all is provided with sealed the pad, support flange (2) top surface to the interval between crane span structure box (1) top surface and the thickness of crane span structure apron (3) equal, the equal fixedly connected with handle (7) in both sides of crane span structure apron (3) top surface.
3. The fire-resistant bridge deck cover plate of claim 1, wherein: one side fixedly connected with backup pad (16) of fixed block (11) is kept away from in baffle (15) bottom surface middle part, card post (10) run through backup pad (16), card post (10) and backup pad (16) sliding connection.
4. The fire-resistant bridge deck cover plate of claim 1, wherein: the position of card post (10) corresponds with the position of calorie hole (9), the diameter of card post (10) and the diameter looks adaptation of calorie hole (9) inner wall, card post (10) are pegged graft with calorie hole (9), the length of card post (10) is greater than the length of calorie hole (9) inner wall.
5. The fire-resistant bridge deck cover plate of claim 1, wherein: the tension spring (12) is sleeved on the outer wall of the glass tube (13), the reset stroke of the tension spring (12) is larger than the length of the clamping column (10), and the width of the baffle (15) is larger than the sum of the reset length of the tension spring (12) and the length of the clamping column (10).
6. The fire-resistant bridge deck cover plate of claim 1, wherein: a plurality of the length and the width of row's husky hole (14) all equal with the length and the width of baffle (15), a plurality of the length of row's husky hole (14) all equals with the interval between two support flange (2) edges, and is a plurality of row's husky hole (14) all is linked together with the inside of putting out a fire husky bin (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023186389.3U CN214204740U (en) | 2020-12-26 | 2020-12-26 | Fire prevention crane span structure apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023186389.3U CN214204740U (en) | 2020-12-26 | 2020-12-26 | Fire prevention crane span structure apron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214204740U true CN214204740U (en) | 2021-09-14 |
Family
ID=77657614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023186389.3U Active CN214204740U (en) | 2020-12-26 | 2020-12-26 | Fire prevention crane span structure apron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214204740U (en) |
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2020
- 2020-12-26 CN CN202023186389.3U patent/CN214204740U/en active Active
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