CN214194245U

CN214194245U - Adjustable height limiting device for road and bridge

Info

Publication number: CN214194245U
Application number: CN202022792750.0U
Authority: CN
Inventors: 赵作兵
Original assignee: Individual
Current assignee: Chen Ziang
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-14
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a road and bridge is with limit for height device with adjustable, including first pillar, connecting rod and support, one side of first pillar is provided with the second pillar, one side of second pillar is provided with the third pillar, the bottom of first pillar, second pillar and third pillar all is provided with firm structure, the top of firm structure lateral wall all is fixed with the support, the screw is all installed to the inside of support. Through being provided with buffer structure, it can cushion the collision that exceeds high vehicle to have realized road and bridge limit for height device, when the vehicle striking, at first can contact the second buffer beam, the second buffer beam can transmit the impact force for first buffer spacer after that, first buffer spacer transmits the impact force for buffer spring again, remaining partly impact force can be absorbed by second buffer spacer, at this in-process, first buffering structure pole and anchor strut have played stability and cushioning effect to whole structure.

Description

Adjustable height limiting device for road and bridge

Technical Field

The utility model relates to a road and bridge technical field specifically is a road and bridge is with limit for height device with adjustable.

Background

Along with the continuous development of national economy and continuous progress of science and technology, the number of roads and bridges in China is continuously increased, in order to prevent the damage of some vehicles to the roads and bridges, the height of the vehicles on each road needs to be limited, and a road and bridge height limiting device is produced;

however, the conventional height limiter has a problem that the effect of buffering the vehicle collision is not good when the height limiter is used, so that an adjustable height limiter for roads and bridges is developed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road and bridge are with limit for height device with adjustable to the problem that can not carry out certain buffering to the striking of vehicle that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a road and bridge is with limit for height device with adjustable, includes first pillar, connecting rod and support, one side of first pillar is provided with the second pillar, one side of second pillar is provided with the third pillar, the bottom of first pillar, second pillar and third pillar all is provided with stable structure, the top of stable structure lateral wall all is fixed with the support, the screw is all installed to the inside of support, the inside of first pillar, second pillar and third pillar all is provided with elevating system, all be provided with the connecting rod between first pillar and second pillar, second pillar and the third pillar, the bottom of connecting rod evenly is fixed with the minor axis, the one end of minor axis all is fixed with the display tablet, the bottom of minor axis all is provided with buffer structure, buffer structure includes first buffer beam, second buffer beam, first shock attenuation piece reinforcement bar, Buffer spring and second shock attenuation piece, first buffer beam all sets up in the bottom of minor axis, the bottom of first buffer beam all is provided with the anchor strut, the one end of anchor strut all is fixed with the second shock attenuation piece, the one end of second shock attenuation piece evenly is fixed with buffer spring, buffer spring's one end all is fixed with first shock attenuation piece, the one end of first shock attenuation piece all is fixed with the second buffer beam.

Preferably, the buffer springs are arranged in a plurality of numbers, and the buffer springs are distributed on one side of the second damping sheet at equal intervals.

Preferably, the heights of the first support column, the second support column and the third support column are equal, and the depths of the stabilizing structures at the bottom ends of the first support column and the third support column are equal and larger than the depth of the stabilizing structure at the bottom end of the second support column.

Preferably, elevating system includes base, motor, scroll bar, sliding block, first turbine and second turbine, the base all is fixed in the both sides of the inside bottom of first pillar, second pillar and third pillar, the top of base all is fixed with the motor, the top of motor all is fixed with the scroll bar, and the top of scroll bar all is fixed with the inside top of first pillar, second pillar and third pillar, the lateral wall of scroll bar all is provided with the sliding block, and one side of sliding block all is fixed with one side of first buffer beam and anchor strut, all is provided with first turbine between the scroll bar, and the bottom of first turbine all is provided with the second turbine, and intermeshing between scroll bar and first turbine and the second turbine.

Preferably, the area of the second buffer rod is larger than that of the second damping sheet, and the second damping sheet and the first damping sheet are symmetrically distributed around the buffer spring.

Preferably, firm structure includes firm bracing piece, backing sheet, top connection piece, bottom connection piece and reinforcing bar supporting layer, firm bracing piece is all installed in the bottom of first pillar, second pillar and third pillar, the lateral wall of firm bracing piece all is fixed with the backing sheet, the top connection piece is all installed to the bottom of firm bracing piece, the bottom of top connection piece all is fixed with the reinforcing bar supporting layer, the bottom of reinforcing bar supporting layer all is fixed with the bottom connection piece.

Compared with the prior art, the beneficial effects of the utility model are that: the height limiting device with the adjustable function for the road and the bridge not only achieves a certain protection effect on the device, but also achieves the functions of automatically adjusting the limiting height according to the requirement and strengthening the stability of the device;

(1) the buffer structure is arranged, so that the road and bridge height limiting device can buffer the collision of vehicles exceeding the height limit, when the vehicles collide, the top of the vehicle can be firstly contacted with the buffer structure of the height limiting device, at the moment, the reinforcing rod and the first buffer rod in the buffer structure can support the whole buffer structure, and the impact force can be absorbed by the second buffer rod, the first damping sheet, the second damping sheet and the damping spring, so that the function of buffering the collision of the ultrahigh vehicles and the safety protection of drivers in the vehicles are realized;

(2) the height limiting device can automatically adjust the limited height as required by arranging the lifting mechanism, when the height is adjusted, the motor drives the scroll bars to rotate, the first scroll bar drives the second scroll bar to rotate through the rotation of the two scroll bars, and the rotation between the two gears can drive the sliding block positioned on the outer side of the gears to move up and down, so that the height required by the road and bridge height limiting device can be automatically adjusted;

(3) through being provided with stable structure, realized that road and bridge limit for height device also can stabilize under the striking of medium and large-scale vehicle and not fall, when vehicle striking road and bridge limit for height device, the firm bracing piece of first pillar and third pillar bottom will bear the biggest impact force, the reinforcing bar supporting layer that connects through the top connection piece can support the impact force that firm bracing piece bore after that, make it firmly fix the device to road and bridge limit for height device's stability has been realized.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the stable structure of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a first support; 2. a lifting mechanism; 201. a base; 202. a motor; 203. a scroll bar; 204. a slider; 205. a first turbine; 206. a second turbine; 3. a connecting rod; 4. a minor axis; 5. a second support; 6. a display board; 7. a third support; 8. a buffer structure; 801. a first buffer rod; 802. a reinforcing rod; 803. a second buffer rod; 804. a first damper sheet; 805. a buffer spring; 806. a second damping piece; 9. a stable structure; 901. the supporting rod is stabilized; 902. a support sheet; 903. a top connecting sheet; 904. a bottom connecting sheet; 905. a reinforcing steel bar supporting layer; 10. a support; 11. and (4) screws.

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. 1-4, the present invention provides an embodiment: the utility model provides a road and bridge is with limit for height device with adjustable, including first pillar 1, connecting rod 3 and support 10, one side of first pillar 1 is provided with second pillar 5, one side of second pillar 5 is provided with third pillar 7, the bottom of first pillar 1, second pillar 5 and third pillar 7 all is provided with stable structure 9, the top of stable structure 9 lateral wall all is fixed with support 10, screw 11 is all installed to the inside of support 10, the inside of first pillar 1, second pillar 5 and third pillar 7 all is provided with elevating system 2, all be provided with connecting rod 3 between first pillar 1 and second pillar 5, second pillar 5 and the third pillar 7, the bottom of connecting rod 3 evenly is fixed with minor axis 4, the one end of minor axis 4 all is fixed with display board 6, the bottom of minor axis 4 all is provided with buffer structure 8, buffer structure 8 includes first buffer rod 801, anchor strut 802, Second buffer pole 803, first shock attenuation piece 804, buffer spring 805 and second shock attenuation piece 806, first buffer pole 801 all sets up in the bottom of minor axis 4, the bottom of first buffer pole 801 all is provided with stiffening rod 802, the one end of stiffening rod 802 all is fixed with second shock attenuation piece 806, the one end of second shock attenuation piece 806 evenly is fixed with buffer spring 805, the one end of buffer spring 805 all is fixed with first shock attenuation piece 804, the one end of first shock attenuation piece 804 all is fixed with second buffer pole 803.

Specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, when a vehicle is impacted, the second buffer rod 803 is contacted with the second buffer rod 803, the second buffer rod 803 can bear a part of impact force, then the second buffer rod 803 can transmit the impact force to the first shock absorption plate 804, a part of force is removed, the first shock absorption plate 804 transmits the impact force to the buffer spring 805, the buffer spring 805 can absorb most of the impact force through a special telescopic structure of the buffer spring 805, and the rest part of the impact force can be absorbed by the second shock absorption plate 806;

the lifting mechanism 2 comprises a base 201, a motor 202, a worm 203, sliding blocks 204, a first worm wheel 205 and a second worm wheel 206, the base 201 is fixed on two sides of the inner bottom ends of the first support column 1, the second support column 5 and the third support column 7, the motor 202 is fixed on the top end of the base 201, the model of the motor 202 can be Y112M-2, the worm 203 is fixed on the top of the motor 202, the top end of the worm 203 is fixed with the top ends of the inner parts of the first support column 1, the second support column 5 and the third support column 7, the sliding blocks 204 are arranged on the outer side wall of the worm 203, one side of each sliding block 204 is fixed with one side of a first buffer rod 801 and one side of a reinforcing rod 802, the first worm wheel 205 is arranged between the worm 203, the second worm wheel 206 is arranged at the bottom end of the first worm wheel 205, and the worm 203 is engaged with the first worm wheel 205 and the second worm wheel 206;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, when the height is adjusted, the motor 202 drives the scroll rods 203 to rotate, the first worm wheel 205 drives the second worm wheel 206 to rotate through the rotation of the two scroll rods 203, the rotation between the two worm wheels can drive the sliding block 204 located outside the worm wheels to move up and down, and the sliding block 204 is fixed with the reinforcing rod 802, so that the function of automatically adjusting and limiting the height is achieved;

the stabilizing structure 9 comprises stabilizing support rods 901, support pieces 902, top connection pieces 903, bottom connection pieces 904 and steel bar support layers 905, wherein the stabilizing support rods 901 are all installed at the bottom ends of the first support column 1, the second support column 5 and the third support column 7, the support pieces 902 are all fixed on the outer side walls of the stabilizing support rods 901, the top connection pieces 903 are all installed at the bottom ends of the stabilizing support rods 901, the steel bar support layers 905 are all fixed at the bottom ends of the top connection pieces 903, and the bottom connection pieces 904 are all fixed at the bottom ends of the steel bar support layers 905;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, when a medium-large vehicle impacts the height limiting device of a road and bridge, the reverse impact force applied to the bottom of the device is the largest, at this time, the stabilizing support rods 901 at the bottoms 7 of the first support column 1 and the third support column will bear the largest impact force, the support pieces 902 located at the outer side walls of the bottoms of the stabilizing support rods 901 will assist in stabilizing the device, then the reinforcing steel bar support layers 905 connected through the top connection pieces 903 will support the impact force applied to the stabilizing support rods 901, and the bottom connection pieces 904 at the bottoms of the reinforcing steel bar support layers 905 will fix the whole structure, so that the device is firmly fixed.

The working principle is as follows: when in use, the height limiting device with the adjustable road and bridge is characterized in that firstly, the stable structure 9 at the bottom is installed at a proper place, then the lifting mechanism 2 and the buffer structure 8 are sequentially installed, when a limited height needs to be adjusted, the limited height is informed through the display board 6 on the rotating short shaft 4, then the power supply is started, the motor 202 drives the scroll rods 203 to rotate, the first scroll wheel 205 drives the second scroll wheel 206 to rotate through the rotation of the two scroll rods 203, the sliding block 204 positioned on the outer side of the gear can be driven to move up and down through the rotation between the two gear wheels, when the scroll 203 rotates clockwise, the slider 204 moves upward, and when the scroll 203 rotates counterclockwise, the slider 204 moves upward, so that the buffer structure 8 fixed on one side of the sliding block 204 can move simultaneously with the sliding block 204 to achieve the function of automatic height limitation, the base 201 plays a role in stabilizing and fixing the whole lifting mechanism 2 in the process;

secondly, when an ultrahigh vehicle collides with the height limiting device, the second buffer rod 803 bears a part of impact force, then the second buffer rod 803 transmits the impact force to the first shock absorption sheet 804, a part of force is removed, the first shock absorption sheet 804 transmits the impact force to the buffer spring 805, the buffer spring 805 can absorb most of the impact force through a special telescopic structure of the buffer spring 805 in the link, the rest part of the impact force can be absorbed by the second shock absorption sheet 806, and in the process, the first buffer rod 801 and the reinforcing rod 802 play roles in stabilizing and buffering the whole structure, so that the device is ensured to be intact;

finally, the stabilizing device at the bottom of the device can stabilize the whole body, when the impact force reaches, the stabilizing support rods 901 at the bottoms of the first support 1 and the third support 7 can bear the maximum impact force, the support sheets 902 at the outer side wall at the bottom of the stabilizing support rods 901 can assist the stabilization of the stabilizing support rods 901, then the reinforcing steel bar support layers 905 connected through the top connection sheets 903 can support the impact force borne by the stabilizing support rods 901, and the bottom connection sheets 904 at the bottoms of the reinforcing steel bar support layers 905 can fix the whole structure, so that the device is firmly fixed, and finally the mounting and adjusting work of the road and bridge height limiting device is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a road and bridge height-limiting device with adjustable, includes first pillar (1), connecting rod (3) and support (10), its characterized in that: one side of the first pillar (1) is provided with a second pillar (5), one side of the second pillar (5) is provided with a third pillar (7), the bottoms of the first pillar (1), the second pillar (5) and the third pillar (7) are respectively provided with a stabilizing structure (9), the top end of the outer side wall of the stabilizing structure (9) is fixed with a support (10), screws (11) are respectively installed in the supports (10), lifting mechanisms (2) are respectively arranged in the first pillar (1), the second pillar (5) and the third pillar (7), connecting rods (3) are respectively arranged between the first pillar (1) and the second pillar (5), between the second pillar (5) and the third pillar (7), the bottom ends of the connecting rods (3) are respectively and fixedly provided with a short shaft (4), one end of the short shaft (4) is respectively and fixedly provided with a display board (6), the bottom of minor axis (4) all is provided with buffer structure (8), buffer structure (8) include first buffer beam (801), anchor strut (802), second buffer beam (803), first shock attenuation piece (804), buffer spring (805) and second shock attenuation piece (806), first buffer beam (801) all set up in the bottom of minor axis (4), the bottom of first buffer beam (801) all is provided with anchor strut (802), the one end of anchor strut (802) all is fixed with second shock attenuation piece (806), the one end of second shock attenuation piece (806) evenly is fixed with buffer spring (805), the one end of buffer spring (805) all is fixed with first shock attenuation piece (804), the one end of first shock attenuation piece (804) all is fixed with second buffer beam (803).

2. The adjustable height limiting device for road and bridge as claimed in claim 1, wherein: the number of the buffer springs (805) is equal to the number of the buffer springs (805) distributed on one side of the second damping sheet (806).

3. The adjustable height limiting device for road and bridge as claimed in claim 1, wherein: the first supporting column (1) and the third supporting column (7) are symmetrically distributed about the central axis of the second supporting column (5), and the first supporting column (1), the second supporting column (5) and the third supporting column (7) are distributed at equal intervals.

4. The adjustable height limiting device for road and bridge as claimed in claim 1, wherein: the lifting mechanism (2) comprises a base (201), a motor (202), a worm rod (203), a sliding block (204), a first turbine (205) and a second turbine (206), wherein the base (201) is fixed on two sides of the inner bottom ends of a first support column (1), a second support column (5) and a third support column (7), the motor (202) is fixed on the top end of the base (201), the worm rod (203) is fixed on the top of the motor (202), the top end of the worm rod (203) is fixed on the inner top ends of the first support column (1), the second support column (5) and the third support column (7), the sliding block (204) is arranged on the outer side wall of the worm rod (203), one side of the sliding block (204) is fixed on one side of a first buffer rod (801) and one side of a reinforcing rod (802), the first turbine (205) is arranged between the worm rods (203), and the second turbine (206) is arranged on the bottom end of the first turbine (205), and the worm (203) is meshed with the first turbine (205) and the second turbine (206).

5. The adjustable height limiting device for road and bridge as claimed in claim 1, wherein: the area of the second buffer rod (803) is larger than that of the second damping sheet (806), and the second damping sheet (806) and the first damping sheet (804) are symmetrically distributed around the buffer spring (805).

6. The adjustable height limiting device for road and bridge as claimed in claim 1, wherein: firm structure (9) are including firm bracing piece (901), backing sheet (902), top connection piece (903), bottom connection piece (904) and bar support layer (905), firm bracing piece (901) is all installed in the bottom of first pillar (1), second pillar (5) and third pillar (7), the lateral wall of firm bracing piece (901) all is fixed with backing sheet (902), top connection piece (903) are all installed to the bottom of firm bracing piece (901), the bottom of top connection piece (903) all is fixed with bar support layer (905), the bottom of bar support layer (905) all is fixed with bottom connection piece (904).