CN214573534U - Town road bridge limit for height portal frame - Google Patents
Town road bridge limit for height portal frame Download PDFInfo
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- CN214573534U CN214573534U CN202120491933.0U CN202120491933U CN214573534U CN 214573534 U CN214573534 U CN 214573534U CN 202120491933 U CN202120491933 U CN 202120491933U CN 214573534 U CN214573534 U CN 214573534U
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- height
- limit
- support column
- driving motor
- portal frame
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Abstract
The utility model discloses a municipal road bridge height-limiting portal frame, which comprises a support column, wherein one side of the support column is provided with an adjusting groove, the support column is positioned in the adjusting groove and is provided with a screw rod, a height-limiting rod is sleeved between the two screw rods, the screw rod is positioned at the bottom of the adjusting groove and is movably sleeved with a spacer block, one side of the support column is provided with a motor box, the interior of the motor box is provided with a first driving motor, and one side of the support column is provided with a fixing frame; has the advantages that: the utility model discloses a corotation or the reversal of first driving motor output, including initiative bevel gear and driven bevel gear's meshing for the screw rod also rotates thereupon, thereby highly adjusting limit for height pole, the rotation of rethread second driving motor output adds the meshing of wheel and rack, and then drives the removal of movable block, makes the fixed slot of fixed block grafting on limit for height pole, realizes the fixed to limit for height pole, makes the work that the instrument on the limit for height pole can be stable.
Description
Technical Field
The utility model relates to a technical field of town road bridge specifically is a town road bridge limit for height portal frame.
Background
With the increasing development of urban traffic, the number of vehicles on the road increases, accidents that ultra-high vehicles cause damage to bridges, tunnels and roads frequently occur, and huge economic losses are frequently caused, even the life safety of people is endangered. In order to protect bridges, tunnels and roads, a portal frame made of steel materials is usually installed before entering the bridge or tunnel, and a height limit sign is arranged on a reflecting material for warning. Among the prior art, when the vehicle went nearly portal frame, when the camera detected the vehicle speed too fast, control terminal started the voice alarm ware, carried out voice alarm, and the light carries out the light filling simultaneously, and the camera shoots the early warning to the speeding vehicle, and when light was not good, control terminal started the LED lamp area on limit width cover and the warning board, carries out the early warning to the vehicle of going into to the warning effect of portal frame has been improved, the emergence of reduction collision accident.
But the length of limit for height pole can not be changed to town road bridge limit for height portal frame, when special type vehicle need be urgent current, because the automobile body height and the automobile body width of special type vehicle surpass the automobile body height and the automobile body width of ordinary vehicle, current limit for height portal frame can hinder the current of special type vehicle, seriously influences special type vehicle executive task from this, has certain limitation in the use, for this reason the utility model provides a town road bridge limit for height portal frame is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a town road bridge limit for height portal frame to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a town road bridge limit for height portal frame, includes the support column, the adjustment tank has been seted up to one side of support column, the inside that lies in the adjustment tank on the support column just is provided with the screw rod, two limit for height pole has been cup jointed between the screw rod, the spacer block has been cup jointed in the bottom and the activity that lie in the adjustment tank on the screw rod, one side of support column is provided with the motor case, the inside of motor case is provided with first driving motor, one side of support column is provided with the mount, the top of mount is provided with second driving motor, second driving motor's output is provided with the axis of rotation, be provided with the gear in the axis of rotation, the holding tank has been seted up to one side of mount, the inside of holding tank is provided with the movable block, the back of movable block is provided with the rack, the one end of movable block is provided with the fixed block.
Preferably, the both ends of screw rod all rotate through the bearing and connect in the inside of support column, threaded connection between limit for height pole and the screw rod, the middle part of limit for height pole is provided with anticollision piece, the top of limit for height pole is provided with the work frame.
Preferably, the output end of the first driving motor penetrates through the support column and is provided with a driving bevel gear, the bottom of the screw is provided with a driven bevel gear, and the driving bevel gear and the driven bevel gear are meshed with each other.
Preferably, the gear is provided with a plurality of, and arranges the distribution from top to bottom along the axis of rotation, intermeshing and one-to-one between rack and the gear.
Preferably, fixed grooves are formed in two sides of the height limiting rod, the front side of the fixed block is of an isosceles trapezoid structure, a spring is arranged at the other end of the moving block, a through groove is formed in the surface of one side of the adjusting groove, and the fixed block penetrates through the through groove and is matched with the fixed grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a regulation groove is seted up through one side of support column, be located the inside of regulation groove on the support column and be provided with the screw rod, limit for height pole has been cup jointed between two screw rods, the spacer block has been cup jointed in the bottom of regulation groove and the activity on the screw rod, one side of support column is provided with the motor case, the inside of motor case is provided with first driving motor, one side of support column is provided with the mount, the top of mount is provided with second driving motor, the output of second driving motor is provided with the axis of rotation, be provided with the gear on the axis of rotation, one side of mount is seted up the holding tank, the inside of holding tank is provided with the movable block, the back of movable block is provided with the rack, the one end of movable block is provided with the fixed block, through the corotation or reversal of first driving motor output, in addition the meshing of initiative bevel gear and driven bevel gear, make the screw rod also rotate along with it, thereby adjust limit for height pole, and then the output end of the second driving motor rotates, and the gear and the rack are meshed, so that the moving block is driven to move, the fixing block is inserted into the fixing groove in the height limiting rod, the height limiting rod is fixed, and the instrument on the height limiting rod can stably work.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
fig. 3 is a schematic structural view of the gear and rack of the present invention.
In the figure: a support column 1; an adjusting groove 2; a screw 3; a height-limiting rod 4; an anti-collision block 41; a work frame 42; a fixing groove 43; a spacer 5; a motor case 6; a first drive motor 61; a drive bevel gear 62; a driven bevel gear 63; a fixed frame 7; the second drive motor 71; a rotating shaft 72; a gear 73; a housing tank 8; a moving block 81; a rack 82; a fixed block 83; a spring 84; a through slot 85.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a town road bridge limit for height portal frame, including support column 1, adjustment tank 2 has been seted up to one side of support column 1, the screw rod 3 has been just installed to the inside that lies in adjustment tank 2 on the support column 1, the both ends of screw rod 3 all rotate through the bearing and connect in the inside of support column 1, limit for height pole 4 has been cup jointed between two screw rods 3, threaded connection between limit for height pole 4 and the screw rod 3, the middle part welding of limit for height pole 4 has anticollision piece 41, the top welding of limit for height pole 4 has work rest 42, be provided with the light on the work rest 42, the camera, warning board and solar cell panel, fixed slot 43 has all been seted up to the both sides of limit for height pole 4, the spacer 5 has been cup jointed in the bottom and the activity that lie in adjustment tank 2 on the screw rod 3.
One side of the supporting column 1 is welded with a motor box 6, a first driving motor 61 is installed inside the motor box 6, the model of the first driving motor 61 is Y132M4, the output end of the first driving motor 61 penetrates through the supporting column 1 and is provided with a driving bevel gear 62, the bottom of the screw rod 3 is provided with a driven bevel gear 63, the driving bevel gear 62 and the driven bevel gear 63 are meshed with each other, one side of the supporting column 1 is welded with a fixed frame 7, the top of the fixed frame 7 is fixedly provided with a second driving motor 71, the model of the second driving motor 71 is Y132M4, the output end of the second driving motor 71 is welded with a rotating shaft 72, gears 73 are installed on the rotating shaft 72, the gears 73 are provided with a plurality of gears 73, and are distributed up and down along the rotating shaft 72, one side of the fixed frame 7 is provided with an accommodating groove 8, a moving block 81 is movably arranged inside the accommodating groove 8, and a rack 82 is welded on the back of the moving block 81, the racks 82 and the gears 73 are meshed with each other and correspond to each other one by one, the fixed block 83 is welded at one end of the moving block 81, the front side of the fixed block 83 is of an isosceles trapezoid structure, the spring 84 is arranged at the other end of the moving block 81, the through groove 85 is formed in the surface of one side of the adjusting groove 2, and the fixed block 83 penetrates through the through groove 85 and is matched with the fixing groove 43.
The working principle is as follows: in actual use, the utility model has the advantages that one side of the support column 1 is provided with the adjusting groove 2, the support column 1 is positioned inside the adjusting groove 2 and is provided with the screw rods 3, the height limiting rod 4 is sleeved between the two screw rods 3, the screw rods 3 are positioned at the bottom of the adjusting groove 2 and are movably sleeved with the spacing block 5, one side of the support column 1 is provided with the motor box 6, the inside of the motor box 6 is provided with the first driving motor 61, one side of the support column 1 is provided with the fixed frame 7, the top of the fixed frame 7 is provided with the second driving motor 71, the output end of the second driving motor 71 is provided with the rotating shaft 72, the rotating shaft 72 is provided with the gear 73, one side of the fixed frame 7 is provided with the accommodating groove 8, the inside of the accommodating groove 8 is provided with the moving block 81, the back of the moving block 81 is provided with the rack 82, one end of the moving block 81 is provided with the fixed block 83, through the positive rotation or reverse rotation of the output end of the first driving motor 61, in addition, the driving bevel gear 62 is meshed with the driven bevel gear 63, so that the screw rod 3 also rotates along with the driving bevel gear, the height of the height limiting rod 4 is adjusted, the gear 73 is meshed with the rack 82 in addition to the rotation of the output end of the second driving motor 71, then the moving block 81 is driven to move, the fixing block 83 is inserted into the fixing groove 43 in the height limiting rod 4, the height limiting rod 4 is fixed, and the instrument on the height limiting rod 4 can stably work.
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 (5)
1. The utility model provides a town road bridge limit for height portal frame, includes support column (1), its characterized in that: an adjusting groove (2) is formed in one side of the supporting column (1), screw rods (3) are arranged in the adjusting groove (2) on the supporting column (1), a height limiting rod (4) is sleeved between the two screw rods (3), a spacing block (5) is movably sleeved at the bottom of the adjusting groove (2) on each screw rod (3), a motor box (6) is arranged on one side of the supporting column (1), a first driving motor (61) is arranged in the motor box (6), a fixing frame (7) is arranged on one side of the supporting column (1), a second driving motor (71) is arranged at the top of the fixing frame (7), a rotating shaft (72) is arranged at the output end of the second driving motor (71), a gear (73) is arranged on the rotating shaft (72), and an accommodating groove (8) is formed in one side of the fixing frame (7), a moving block (81) is arranged in the accommodating groove (8), a rack (82) is arranged on the back of the moving block (81), and a fixed block (83) is arranged at one end of the moving block (81).
2. The municipal road bridge height-limiting portal frame of claim 1, wherein: the both ends of screw rod (3) all rotate through the bearing and connect in the inside of support column (1), threaded connection between limit for height pole (4) and screw rod (3), the middle part of limit for height pole (4) is provided with anticollision piece (41), the top of limit for height pole (4) is provided with work frame (42).
3. The municipal road bridge height-limiting portal frame of claim 1, wherein: the output end of the first driving motor (61) penetrates through the support column (1) and is provided with a driving bevel gear (62), the bottom of the screw (3) is provided with a driven bevel gear (63), and the driving bevel gear (62) is meshed with the driven bevel gear (63).
4. The municipal road bridge height-limiting portal frame of claim 1, wherein: the gear (73) are provided with a plurality of gears, the gears are distributed in an up-and-down arrangement mode along the rotating shaft (72), and the racks (82) and the gears (73) are meshed with each other and are in one-to-one correspondence.
5. The municipal road bridge height-limiting portal frame of claim 1, wherein: fixed grooves (43) are formed in two sides of the height limiting rod (4), the front side of the fixed block (83) is of an isosceles trapezoid structure, a spring (84) is arranged at the other end of the moving block (81), a through groove (85) is formed in the surface of one side of the adjusting groove (2), and the fixed block (83) penetrates through the through groove (85) and is matched with the fixed grooves (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120491933.0U CN214573534U (en) | 2021-03-09 | 2021-03-09 | Town road bridge limit for height portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120491933.0U CN214573534U (en) | 2021-03-09 | 2021-03-09 | Town road bridge limit for height portal frame |
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| Publication Number | Publication Date |
|---|---|
| CN214573534U true CN214573534U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120491933.0U Active CN214573534U (en) | 2021-03-09 | 2021-03-09 | Town road bridge limit for height portal frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320299A (en) * | 2021-11-17 | 2022-04-12 | 镇康县振兴矿业开发有限责任公司 | Method and device for reducing mixing rate of mining waste rocks of small river siderite |
-
2021
- 2021-03-09 CN CN202120491933.0U patent/CN214573534U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320299A (en) * | 2021-11-17 | 2022-04-12 | 镇康县振兴矿业开发有限责任公司 | Method and device for reducing mixing rate of mining waste rocks of small river siderite |
| CN114320299B (en) * | 2021-11-17 | 2024-04-09 | 镇康县振兴矿业开发有限责任公司 | Method and device for reducing mixing rate of waste rock in mining of small river siderite |
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