CN216615597U - Adjustable height-limiting rod for municipal road bridge - Google Patents

Adjustable height-limiting rod for municipal road bridge Download PDF

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Publication number
CN216615597U
CN216615597U CN202122207940.6U CN202122207940U CN216615597U CN 216615597 U CN216615597 U CN 216615597U CN 202122207940 U CN202122207940 U CN 202122207940U CN 216615597 U CN216615597 U CN 216615597U
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China
Prior art keywords
limiting rod
height
hole
rod
road bridge
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CN202122207940.6U
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Chinese (zh)
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祝文君
马向南
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Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
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Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

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Abstract

The utility model provides an adjustable height limiting rod for a municipal road bridge, which comprises: the lifting mechanism comprises a cross rod with an accommodating cavity, two support rods, a lifting mechanism and a height limiting rod, wherein grooves are formed in the two support rods along the length direction of the cross rod; the lifting mechanism is located in the containing cavity, one end of the lifting mechanism, which is provided with a steel wire rope, extends out of the containing cavity and then is connected with the height limiting rod, and two ends of the height limiting rod respectively extend into the grooves on two sides. The advantages are that: the solar energy street lamp is simple and convenient to operate, functionality of the height limiting frame for the municipal road and the bridge is improved in a limited mode, and the solar energy street lamp is suitable for most roads.

Description

Adjustable height-limiting rod for municipal road bridge
Technical Field
The utility model relates to the technical field of municipal roads, in particular to an adjustable height limiting rod for a municipal road bridge.
Background
The height limiting frame is divided into two types: a fixed height limiting frame and an adjustable height limiting frame. The fixed integrated height limiting frame is mainly used for portal frameworks at the entrance of bridges, culverts and tunnels, is generally formed by welding steel structures and plays a role in protecting the bridges, the culverts and the tunnels; the sign board is provided with a limit height meter for prompting vehicles. The height-adjustable height-limiting frame is divided into a manual height-limiting frame and an electric height-limiting frame.
In the prior art, most height limiting frames for municipal roads and bridges are fixedly integrated, so that the adjustment is inconvenient when special conditions are met.
SUMMERY OF THE UTILITY MODEL
The utility model provides an adjustable height limiting rod for a municipal road bridge, and aims to overcome the defects in the background art.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
an adjustable height-limiting pole for a municipal road bridge, comprising: the lifting mechanism comprises a cross rod with an accommodating cavity, two support rods, a lifting mechanism and a height limiting rod, wherein grooves are formed in the two support rods along the length direction of the cross rod; the lifting mechanism is located in the containing cavity, one end of the lifting mechanism, which is provided with a steel wire rope, extends out of the containing cavity and then is connected with the height limiting rod, and two ends of the height limiting rod respectively extend into the grooves on two sides.
Preferably, the lifting mechanism further comprises a reciprocating motor, a driven shaft, a bearing, a first fixing block with a through hole, and a second fixing block with a fixing hole, wherein an output shaft of the reciprocating motor is connected with one end of the driven shaft, the other end of the driven shaft is connected with the bearing, so that the reciprocating motor is fixed in the through hole and fixed in the accommodating cavity through the first fixing block, and the bearing is located in the fixing hole and fixed in the accommodating cavity through the second fixing block;
the steel wire rope is positioned in the middle of the driven shaft, so that the other end of the steel wire rope penetrates out of a through hole formed in the lower end of the cross rod to be connected with the height limiting rod and used for controlling the height limiting rod to ascend or descend.
Preferably, the lifting mechanism further comprises a limiting wheel fixedly connected to the driven shaft and close to the outer wall of one end of the output shaft.
Preferably, the lifting mechanism further comprises a lifting block provided with a lifting hole, and a connecting ring, wherein a connecting hole is formed in one side of the lifting block, which is far away from the lifting hole, so that the cross rod is connected with the connecting ring through the connecting hole after being sleeved in the lifting hole of the lifting block, and the top of the connecting ring is connected with one end of the steel wire rope.
Preferably, the outer wall of the support rod close to one side of the reciprocating motor is provided with a distribution box for controlling the switch of the reciprocating motor.
Preferably, be equipped with the battery in the block terminal and rather than the PLC controller of electricity connection, the PLC controller is used for controlling reciprocating motor's opening, closing.
Preferably, a solar cell panel and a lighting lamp are arranged on the top end face of the cross rod, the solar cell panel is electrically connected with the storage battery, and the lighting lamp is electrically connected with the PLC and used for controlling the PLC to be turned on and off.
Preferably, a height-limiting warning board is further arranged on the side face of the cross rod.
Preferably, the support device further comprises two fixing plates, so that the fixing plates are used for fixedly connecting two ends of the cross rod with the two support rods respectively.
The utility model discloses an adjustable height limiting rod for a municipal road bridge, which has the advantages that: the structure of the utility model is simple and convenient to operate, the functionality of the height limiting frame for the municipal road and bridge is improved in a limited way, and the structure is also suitable for most roads.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model, and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic perspective view of an adjustable height-limiting pole for a municipal road bridge according to the utility model;
FIG. 2 is a schematic view of a municipal road and bridge adjustable height bar of the utility model with a partial structure cut away;
FIG. 3 is a schematic diagram of a lifting structure;
FIG. 4 is a schematic structural view of the electrical box;
wherein:
the device comprises a cross bar 1, an accommodating cavity 11, a through hole 12, a solar cell panel 13, a lighting lamp 14 and a height limiting warning board 15;
a support rod 2 and a groove 21;
the lifting mechanism 3, a steel wire rope 31, a reciprocating motor 32, a driven shaft 33, a bearing 34, a first fixing block 35, a through hole 351, a second fixing block 36, a fixing hole 361, a limiting wheel 37, a lifting block 38, a lifting hole 381, a connecting hole 382 and a connecting ring 39;
a height-limiting rod 4, a sensor 41;
a distribution box 5, a cabinet door 51 and a lock hole 52;
a storage battery 6;
a PLC controller 7, a control panel 71, a display 72, a power switch 73, and an operation button 74;
and a fixing plate 8.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
In order to correspond to different scenes and realize the lifting and descending of the height limiting rod, according to the drawings of fig. 1 and 2, the utility model provides an adjustable height limiting rod for a municipal road bridge, which comprises: the lifting device comprises a cross rod 1 with a containing cavity 11, two supporting rods 2 provided with grooves 21 along the length direction of the cross rod, a lifting mechanism 3 and a height limiting rod 4, wherein the two supporting rods 2 are vertically connected to the bottoms of two ends of the cross rod 1, and one surfaces of the two supporting rods 2 provided with the grooves 21 are oppositely arranged; the lifting mechanism 3 is located in the accommodating cavity 11, one end of the steel wire rope 31 on the lifting mechanism extends out of the accommodating cavity 11 and then is connected with the height limiting rod 4, and two ends of the height limiting rod 4 extend into the grooves 21 on two sides respectively.
In a specific embodiment, as shown in fig. 3, the lifting mechanism 3 further includes a reciprocating motor 32, a driven shaft 33, a bearing 34, a first fixed block 35 with a through hole 351, and a second fixed block 36 with a fixed hole 361, an output shaft of the reciprocating motor 32 is connected to one end of the driven shaft 33, and the other end of the driven shaft 33 is connected to the bearing 34, so that the reciprocating motor 32 is fixed in the through hole 351 and fixed in the accommodating cavity 11 through the first fixed block 35, and the bearing 34 is located in the fixed hole 361 and fixed in the accommodating cavity 11 through the second fixed block 36;
the steel wire rope 31 is located in the middle of the driven shaft 33, so that the other end of the steel wire rope penetrates through a through hole 12 formed in the lower end of the cross rod 1 to be connected with the height limiting rod 4, and the steel wire rope is used for controlling the height limiting rod 4 to ascend or descend.
When the reciprocating motor 32 rotates forwards and backwards, the driven shaft 33 is driven to rotate forwards and backwards, so that the steel wire rope 31 is wound up or put down on the driven shaft 33, and the purpose of ascending or descending the height limiting rod 4 is achieved according to actual conditions.
In order to avoid the displacement of the reciprocating motor 32 during the movement, the lifting mechanism 3 further comprises a limiting wheel 37 fixedly connected to the outer wall of the driven shaft 33 near one end of the output shaft.
In a specific embodiment, for the stability of the height-limiting rod 4 and the prolonging of the service life of the steel cable 31, as shown in fig. 1 and fig. 2, the lifting mechanism 3 further includes a lifting block 38 provided with a lifting hole 381, and a connecting ring 39, wherein a connecting hole 382 is provided on one side of the lifting block 38 away from the lifting hole 381, so that after the lifting hole 381 of the lifting block 38 is sleeved with the cross bar 1, the cross bar is connected to the connecting ring 39 through the connecting hole 382, and the top of the connecting ring 39 is connected to one end of the steel cable 31.
In the embodiment shown in fig. 1, in order to facilitate the control of the movement of the structure of the present invention, the outer wall of the support rod 2 near the side of the reciprocating motor 32 is provided with a distribution box 5 for controlling the on/off of the reciprocating motor 32.
Further, as shown in fig. 4, a storage battery 6 and a PLC controller 7 electrically connected to the storage battery are disposed in the distribution box 5, and the PLC controller 7 is configured to control the on/off of the reciprocating motor 32;
more specifically, as shown in fig. 1, a solar panel 13 and an illuminating lamp 14 are disposed on the top end surface of the cross bar 1, the solar panel 13 is electrically connected to the storage battery 6, and the illuminating lamp 14 is electrically connected to the PLC controller 7 for controlling on and off of the PLC controller.
As shown in fig. 4, a control panel 71 of the PLC controller 7 is provided with a display screen 72, a power switch 73, and a plurality of operation buttons 74, the height-limiting rod 4 is provided with a sensor 41 for measuring the height thereof, and the sensor 41 is infinitely connected to the PLC controller 7, so that the sensor 41 feeds back the height of the height-limiting rod 4 to the PLC controller 7 and displays the height on the display screen 72; the power switch 73 is used for controlling the on/off of the PLC controller 7, and the plurality of operation buttons 74 are respectively used for controlling the on/off of the illumination lamp 14, the reciprocating motor 32, and the sensor 41.
In the specific embodiment, in order to warn the safety of vehicles coming and going and reduce the occurrence of traffic accidents, a height limiting warning board 15 is further arranged on the side surface of the cross rod 1.
More specifically, in order to facilitate replacement and maintenance of the lifting mechanism 3 in the accommodating cavity 11, the structure of the present invention further includes two fixing plates 8, so that the fixing plates 8 fixedly connect two ends of the cross bar 1 with the two support rods 2, respectively.
In order to prevent dust from entering the distribution box 5 or interfering with the use of the device of the present invention, a door 51 of the distribution box 5 is inserted into a lock hole 52 by a key to control the opening and locking of the distribution box 5.
The utility model is realized by the following steps:
when the structure is used for working, the structure is only required to be placed in a proper area of a municipal road bridge, when the height of the height limiting rod 4 needs to be adjusted, a special key is inserted into the lock hole 52 to open the cabinet door 51, the storage battery 6 provides power, the power switch 73 is pressed, a button for controlling the reciprocating motor 32 is pressed, when the reciprocating motor 32 is started, the output shaft of the reciprocating motor 32 drives the driven shaft 33 to rotate, the driven shaft 33 drives the steel wire rope 31 to rotate and wind in one direction, the steel wire rope 31 starts to wind to drive the connecting ring 39 to move, the connecting ring 39 then drives the lifting rod to quickly rise, so that the height limiting rod 4 is driven to rise, meanwhile, the sensor 41 transmits the height of the limiting rod to the PLC controller 7 in real time, and the rising height is reflected on the display screen 72, when the height limiting rod 4 rises to a proper height, a button for controlling the reciprocating motor 32 to work is turned off, and the reciprocating motor 32 stops working. The device is also suitable for most roads.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides a municipal administration road bridge is with adjustable limit for height pole which characterized in that: the lifting mechanism comprises a cross rod (1) with a containing cavity (11), two supporting rods (2) provided with grooves (21) along the length direction of the cross rod, a lifting mechanism (3) and a height limiting rod (4), wherein the two supporting rods (2) are vertically connected to the bottoms of two ends of the cross rod (1), and one surfaces of the two supporting rods (2) provided with the grooves (21) are oppositely arranged; lifting mechanism (3) are located hold chamber (11) in, and follow through the one end of its last wire rope (31) hold chamber (11) in stretch out the back with limit for height pole (4) are connected, limit for height pole (4) both ends stretch into respectively in recess (21) of both sides.
2. The adjustable height-limiting rod for the municipal road bridge according to claim 1, characterized in that: the lifting mechanism (3) further comprises a reciprocating motor (32), a driven shaft (33), a bearing (34), a first fixing block (35) with a through hole (351) and a second fixing block (36) with a fixing hole (361), an output shaft of the reciprocating motor (32) is connected with one end of the driven shaft (33), the other end of the driven shaft (33) is connected with the bearing (34), so that the reciprocating motor (32) is fixed in the through hole (351) and fixed in the accommodating cavity (11) through the first fixing block (35), and the bearing (34) is located in the fixing hole (361) and fixed in the accommodating cavity (11) through the second fixing block (36);
the steel wire rope (31) is located in the middle of the driven shaft (33), so that the other end of the steel wire rope penetrates out of a through hole (12) formed in the lower end of the cross rod (1) to be connected with the height limiting rod (4) and used for controlling the height limiting rod (4) to ascend or descend.
3. The adjustable height-limiting rod for the municipal road bridge according to claim 2, characterized in that: the lifting mechanism (3) further comprises a limiting wheel (37) fixedly connected to the driven shaft (33) and close to the outer wall of one end of the output shaft.
4. The adjustable height-limiting rod for the municipal road bridge according to claim 2, characterized in that: lifting mechanism (3) still include one and offer lift piece (38), a connecting ring (39) that promote hole (381), keep away from on lift piece (38) one side of promoting hole (381) has seted up connecting hole (382), makes horizontal pole (1) cover is located behind the promotion hole (381) of lift piece (38), through connecting hole (382) with the connecting ring (39) are connected, the top of connecting ring (39) with the one end of wire rope (31) is connected.
5. The adjustable height-limiting rod for the municipal road bridge according to claim 2, characterized in that: the outer wall of the supporting rod (2) close to one side of the reciprocating motor (32) is provided with a distribution box (5) for controlling the switch of the reciprocating motor (32).
6. The adjustable height-limiting rod for the municipal road bridge according to claim 5, characterized in that: be equipped with battery (6) in block terminal (5) and PLC controller (7) rather than the electricity connection, PLC controller (7) are used for controlling the opening, closing of reciprocating motor (32).
7. The adjustable height-limiting rod for the municipal road bridge according to claim 6, characterized in that: the top end face of the cross rod (1) is provided with a solar cell panel (13) and an illuminating lamp (14), the solar cell panel (13) is electrically connected with the storage battery (6), and the illuminating lamp (14) is electrically connected with the PLC (7) and used for controlling the PLC to be turned on and off.
8. The adjustable height-limiting rod for the municipal road bridge according to claim 5, characterized in that: and a height limiting warning board (15) is further arranged on the side surface of the cross rod (1).
9. The adjustable height-limiting rod for the municipal road bridge according to claim 1, characterized in that: the support rod fixing device is characterized by further comprising two fixing plates (8), so that the fixing plates (8) are used for fixedly connecting the two ends of the cross rod (1) with the two support rods (2) respectively.
CN202122207940.6U 2021-09-13 2021-09-13 Adjustable height-limiting rod for municipal road bridge Active CN216615597U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122207940.6U CN216615597U (en) 2021-09-13 2021-09-13 Adjustable height-limiting rod for municipal road bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122207940.6U CN216615597U (en) 2021-09-13 2021-09-13 Adjustable height-limiting rod for municipal road bridge

Publications (1)

Publication Number Publication Date
CN216615597U true CN216615597U (en) 2022-05-27

Family

ID=81691015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122207940.6U Active CN216615597U (en) 2021-09-13 2021-09-13 Adjustable height-limiting rod for municipal road bridge

Country Status (1)

Country Link
CN (1) CN216615597U (en)

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