CN222412750U - A suspended energy dissipation height-limiting device and energy dissipation height-limiting frame - Google Patents
A suspended energy dissipation height-limiting device and energy dissipation height-limiting frame Download PDFInfo
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- CN222412750U CN222412750U CN202420716483.4U CN202420716483U CN222412750U CN 222412750 U CN222412750 U CN 222412750U CN 202420716483 U CN202420716483 U CN 202420716483U CN 222412750 U CN222412750 U CN 222412750U
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Abstract
The utility model relates to a suspension type energy dissipation height limiting device and an energy dissipation height limiting frame. The suspended energy dissipation and height limiting device is mounted on a cross beam and comprises a flexible hanging rod, a reinforced T-shaped height limiting rod and an energy dissipation member, wherein the reinforced T-shaped height limiting rod comprises a cross rod which is horizontally arranged in front of the cross rod and further comprises a vertical rod which is inclined from front lower side to rear upper side, the energy dissipation member is provided with a holding part for the vertical rod to pass through, a friction plate which is tightly attached to the vertical rod is arranged in the holding part, the energy dissipation member is mounted on the cross beam, and the cross rod is suspended on the cross beam through the flexible hanging rod. The utility model has wide applicability, can effectively intercept the limited vehicles and can reduce the damage of the limited vehicles.
Description
Technical Field
The utility model relates to traffic facilities, in particular to a suspension type energy dissipation height limiting device and also relates to a suspension type energy dissipation height limiting frame.
Background
In order to ensure the integrity and safety of traffic infrastructures such as roads, bridges, tunnels, culverts and the like, traffic management departments implement a series of limiting measures, and height limiting frames are arranged for specific road sections or areas. These height limiting shelves are designed to prevent the passage of ultrahigh, large or overloaded vehicles, reduce damage to the infrastructure, and increase the level of driving safety. This measure helps to protect the road structure, extend its useful life, and provide a safer traffic environment for traffic participants.
Most of the existing height limiting frames are of simple integrated design, such as fixed gantry steel frames or truss structures, and once the existing height limiting frames collide with large-sized or height-limiting vehicles, risks of vehicle damage or collapse of the height limiting frames are caused.
Some existing height limiting frames also adopt an energy dissipation scheme that a weak point is arranged at the middle point of a cross beam, once a road is wider, for example, more than 4 lanes, the weak point is easily invalid due to the influence of gravity, and the effect of intercepting an ultrahigh vehicle cannot be achieved.
Disclosure of utility model
Aiming at the technical problems in the prior art, the utility model aims to provide a suspended energy dissipation height limiting device and an energy dissipation height limiting frame which can effectively intercept a limited vehicle and reduce the damage of the vehicle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A suspended energy dissipation and height limiting device is arranged on a cross beam and comprises a flexible hanging rod, a reinforced T-shaped height limiting rod and an energy dissipation member, wherein the reinforced T-shaped height limiting rod comprises a cross rod which is horizontally arranged in front of the cross rod, a vertical rod which is inclined from front lower side to rear upper side, the energy dissipation member is provided with a holding part for the vertical rod to pass through, a friction plate which is tightly attached to the vertical rod is arranged in the holding part, the energy dissipation member is arranged on the cross beam, and the cross rod is suspended on the cross beam through the flexible hanging rod.
Preferably, the energy dissipation component comprises a beam connecting piece, a main body and a cover body which are sequentially arranged, wherein the beam connecting piece is used for being connected with the beam, and an annular holding part is formed between the main body and the cover body in a surrounding mode.
Preferably, in the cover body, an arc-shaped groove is formed in the inner side wall of the holding portion, the length direction of the arc-shaped groove is arranged along the axial direction of the holding portion, and the friction plate is embedded into the arc-shaped groove.
The elastic bolt is characterized in that the elastic bolt is arranged on the inner side of the holding part, the elastic bolt is connected with the outer side of the holding part, the elastic bolt is connected with the inner side of the holding part, the elastic bolt is connected with the outer side of the holding part, and the elastic bolt is connected with the outer side of the holding part.
Preferably, the cover body comprises an arc-shaped holding section forming a holding part, and further comprises mounting sections positioned at the left side and the right side of the arc-shaped holding section, the cover body is buckled at the end part of the main body, and the flange bolts penetrate through the mounting sections and are screwed into the main body, so that the cover body is connected with the main body.
The upper part of the vertical rod is provided with an annular stop block for limiting the lower limit position of the vertical rod, and when the vertical rod is positioned at the lower limit position, the annular stop block is lapped on the energy dissipation component.
In the reinforced T-shaped height limiting rod, two sides of the vertical rod are connected with two sides of the cross rod through inclined rods.
Preferably, a rubber energy dissipation gasket is arranged on the front side of the reinforced T-shaped height limiting rod.
The suspended energy dissipation height limiting frame comprises a cross beam, an upright post and a suspended energy dissipation height limiting device, wherein the upright post is erected on the cross beam, and when the suspended energy dissipation height limiting device is installed on the cross beam, the flexible suspender is in a vertical state, and the included angle between the reinforced T-shaped height limiting rod and the horizontal plane is smaller than 30 degrees.
The cross beam is of a truss structure, the suspension type energy dissipation height limiting devices are arranged in one-to-one correspondence with the unidirectional lanes, and the suspension type energy dissipation height limiting devices are arranged in the left and right centering positions of the unidirectional lanes.
The principle of the utility model is that the limited vehicle can be effectively intercepted by the design of the friction energy dissipation structure with high energy consumption, and the damage of the vehicle can be reduced by adopting the structure of reinforcing the oblique translation of the T-shaped height limiting rod.
The utility model has the following advantages:
1. The application is wide, the limited vehicles can be effectively intercepted, and meanwhile, the damage of the limited vehicles can be reduced.
2. After the T-shaped height limiting rod is reinforced and bumped, the vertical rod and the energy dissipation member dissipate energy through friction, only the friction plate is worn, and the replacement and maintenance are more convenient.
3. And a structure for adjusting the pressure between the friction plate and the vertical rod is arranged, so that the friction force is adjusted.
4. And a limit bar and a limit groove are arranged, so that the vertical bar is ensured not to rotate circumferentially but to translate axially only.
5. The annular stop block is arranged to limit the lower limit position of the reinforced T-shaped height limiting rod, so that the end part of the vertical rod is prevented from falling out of the holding part.
6. And a diagonal bar is arranged to strengthen the strength of the T-shaped height limiting rod.
7. And the rubber energy dissipation gasket is arranged, so that the rigid impact between the automobile and the cross rod is reduced.
8. The cross beam is of truss structure, so that the weight of the cross beam can be reduced, and particularly the influence of gravity is reduced when the cross beam spans multiple lanes. Meanwhile, the truss structure, namely the front end and the rear end of the cross beam are sufficiently distant, so that the included angle between the vertical rod of the reinforced T-shaped height limiting rod and the horizontal plane is smaller than 30 degrees, and the impact force of the vehicle can be more stably consumed through friction.
Drawings
Fig. 1 is a perspective view of a suspended energy dissipating overhead restraint.
Fig. 2 is an enlarged view of a portion of a suspended energy dissipating height limiting device.
Fig. 3 is a schematic structural view of the cover.
In the figure, 1 is a flexible suspender, 2 is a reinforced T-shaped height limiting rod, 3 is an energy dissipation member, 4 is a cross beam, and 5 is a stand column.
201 Is a cross bar, 202 is a vertical bar, 203 is an inclined bar, 204 is a rubber energy dissipation gasket, 205 is a limiting bar, and 206 is an annular stop block.
301 Is a beam connecting piece, 302 is a main body, 303 is a cover body, 304 is a friction plate, 305 is a cylindrical gasket, 306 is an elastic bolt, 307 is a limiting groove, 308 is a flange bolt, and 309 is a connecting bolt.
501 Are joints.
Detailed Description
The present utility model will be described in further detail with reference to the following embodiments.
Example 1
A suspended energy dissipation and height limiting device is arranged on a cross beam and comprises a flexible hanging rod, a reinforced T-shaped height limiting rod and an energy dissipation member, wherein the reinforced T-shaped height limiting rod comprises a cross rod which is horizontally arranged in front of the cross rod, a vertical rod which is inclined from front lower side to rear upper side, the energy dissipation member is provided with a holding part for the vertical rod to pass through, a friction plate which is tightly attached to the vertical rod is arranged in the holding part, the energy dissipation member is arranged on the cross beam, and the cross rod is suspended on the cross beam through the flexible hanging rod. In this embodiment, the end of the vertical rod of the reinforced T-shaped height-limiting rod is coaxially matched with the cylindrical holding part. The number of the flexible suspenders is two, and the flexible suspenders are arranged in bilateral symmetry. The length and position of the flexible hanging rod are determined by the size and the number of the reinforced T-shaped height limiting rods.
The energy dissipation component comprises a beam connecting piece, a main body and a cover body which are sequentially arranged, wherein the beam connecting piece is used for being connected with the beam, and an annular holding part is formed between the main body and the cover body in a surrounding mode. In this embodiment, the beam connecting piece is a semicircle, and is fixed through the connecting bolt after the round bar of the beam is sleeved.
In the cover body, the inside wall of the holding part is provided with an arc groove, the length direction of the arc groove is arranged along the axial direction of the holding part, and the friction plate is embedded into the arc groove. In this embodiment, the length direction of the friction plate is set along the axial direction, and a sufficient length is required to be ensured to ensure a sufficient friction force. The number of the arc-shaped grooves and the friction plates is two, and the arc-shaped grooves and the friction plates are symmetrically arranged left and right.
The bottom of the arc-shaped groove is provided with a cylindrical groove, the length direction of the cylindrical groove is along the axial direction of the holding part, a cylindrical gasket is embedded in the cylindrical groove, the cover body is provided with a threaded hole for screwing in an elastic bolt, and the end part of the elastic bolt, the cylindrical gasket and the friction plate are sequentially propped up. The pressure between the friction plate and the vertical rod can be adjusted by adjusting the elastic bolt, so that the friction resistance can be adjusted.
The lid is including forming the arc section of gripping of portion, still including being located the arc section of gripping left and right sides's installation section, and the lid lock is in the tip of main part, and the flange bolt passes installation section screw in main part to connect lid and main part.
The upper part of the vertical rod is provided with an annular stop block for limiting the lower limit position of the vertical rod, and the annular stop block is lapped on the energy dissipation component when the vertical rod is positioned at the lower limit position and is in an initial state. In this embodiment, the spacing is the rectangle, and quantity is two, is located the upside and the downside of montant, and corresponding spacing groove also has two, is located the inboard upside and the downside of gripping portion inner wall.
In the reinforced T-shaped height limiting rod, two sides of the vertical rod are connected with two sides of the cross rod through inclined rods, and the connecting mode is welding for reinforcing strength.
The front side of the reinforced T-shaped height limiting rod is provided with a rubber energy dissipation gasket. In this embodiment, rubber energy dissipation blocks are mounted on both sides and the middle of the cross bar.
When the vehicle impacts the reinforced T-shaped height limiting rod, the impact has a prompt effect on the vehicle. Meanwhile, the vertical rod of the reinforced T-shaped height limiting rod continuously absorbs the impact force of the vehicle through the friction action with the energy dissipation member under the guidance of the rectangular limiting bar, so that the friction plate is worn, and only the friction plate is needed to be replaced, so that the maintenance and replacement cost is saved to the greatest extent.
Example two
The suspended energy dissipation height limiting frame is arranged in areas needing protection such as roads, tunnels and culverts or traffic safety management areas, and the positions needing to be provided with the height limiting frame are selected according to the site conditions. The height and width of the cross beam and the size of the reinforced T-shaped height limiting rod can be adjusted according to the field requirement.
The suspension type energy dissipation height limiting frame comprises a cross beam, upright posts for erecting the cross beam, and two groups of suspension type energy dissipation height limiting devices in the first embodiment, wherein when the suspension type energy dissipation height limiting devices are installed on the cross beam, the flexible suspenders are in a vertical state, the state is an initial state, the included angle between the reinforced T-shaped height limiting rods and a horizontal plane is smaller than 30 degrees, and the included angle between the reinforced T-shaped height limiting rods and the horizontal plane is 25 degrees in the first embodiment.
The cross beam is of a truss structure, the suspension type energy dissipation height limiting devices are arranged in one-to-one correspondence with the unidirectional lanes, and the suspension type energy dissipation height limiting devices are arranged in the left and right central positions of the unidirectional lanes. The truss structure, that is, the front end and the rear end of the cross beam have enough distance, so that the included angle between the vertical rod of the reinforced T-shaped height limiting rod and the horizontal plane is smaller than 30 degrees, and the impact force of the vehicle can be more stably consumed through friction.
In addition to the above-mentioned embodiments, the number of the suspended energy dissipating height limiting devices may be determined by the number of lanes, and other numbers may be used. The grip portion may be composed of two clamp blocks. The friction plate may be a general structure provided in the grip portion without a structure for adjusting the magnitude of friction. These variations are all within the scope of the present utility model.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (10)
1. A suspended energy dissipation and height limiting device is arranged on a cross beam and is characterized by comprising a flexible hanging rod, a reinforced T-shaped height limiting rod and an energy dissipation member, wherein the reinforced T-shaped height limiting rod comprises a cross rod which is horizontally arranged in front of the cross rod and also comprises a vertical rod which is inclined from front lower part to rear upper part, the energy dissipation member is provided with a holding part for the vertical rod to pass through, a friction plate which is tightly attached to the vertical rod is arranged in the holding part, the energy dissipation member is arranged on the cross beam, and the cross rod is suspended on the cross beam through the flexible hanging rod.
2. A suspended energy dissipation height limiting device according to claim 1 is characterized in that the energy dissipation component comprises a beam connecting piece, a main body and a cover body which are sequentially arranged, wherein the beam connecting piece is used for being connected with a beam, and an annular holding part is formed between the main body and the cover body in a surrounding mode.
3. A suspended energy dissipation height limiting device according to claim 2, wherein in the cover body, an arc-shaped groove is formed in the inner side wall of the holding portion, the length direction of the arc-shaped groove is arranged along the axial direction of the holding portion, and the friction plate is embedded in the arc-shaped groove.
4. A suspended energy dissipation height limiting device according to claim 3 is characterized in that a cylindrical groove is formed in the bottom of the arc-shaped groove, the length direction of the cylindrical groove is along the axial direction of the holding portion, a cylindrical gasket is embedded in the cylindrical groove, a threaded hole for screwing in an elastic bolt is formed in the cover body, and the end portion of the elastic bolt, the cylindrical gasket and the friction plate are sequentially propped up.
5. A suspended energy dissipation height limiting device as defined in claim 2, wherein the cover comprises an arc-shaped holding section forming a holding part, and further comprises mounting sections positioned at the left side and the right side of the arc-shaped holding section, the cover is buckled at the end part of the main body, and the flange bolts penetrate through the mounting sections and are screwed into the main body, so that the cover and the main body are connected.
6. A suspended energy dissipation height limiting device is characterized in that an axially arranged limiting bar is arranged on the outer side of a vertical bar, an axially arranged limiting groove is formed in the inner side wall of a holding portion, the limiting bar is clamped into the limiting groove and slides axially along the limiting groove, an annular stop block for limiting the lower limit position of the vertical bar is arranged on the upper portion of the vertical bar, and the annular stop block is arranged on an energy dissipation component when the vertical bar is located at the lower limit position.
7. A suspended energy dissipation height limiting device as defined in claim 1, wherein in the reinforced T-shaped height limiting rod, both sides of the vertical rod are connected with both sides of the cross rod through inclined rods.
8. A suspended energy dissipation height limiting device as defined in claim 1, wherein the front side of the reinforced T-shaped height limiting rod is provided with a rubber energy dissipation gasket.
9. A suspended energy dissipation height limiting frame is characterized by comprising a cross beam, an upright post erected by the cross beam and the suspended energy dissipation height limiting device according to any one of claims 1-8, wherein when the suspended energy dissipation height limiting device is installed on the cross beam, a flexible suspender is in a vertical state, and an included angle between a reinforced T-shaped height limiting rod and a horizontal plane is smaller than 30 degrees.
10. The suspended energy dissipation height limiting frame according to claim 9 is characterized in that the cross beam is of a truss structure, the suspended energy dissipation height limiting devices are arranged in one-to-one correspondence with the unidirectional lanes, and the suspended energy dissipation height limiting devices are arranged in the left and right centering positions of the unidirectional lanes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420716483.4U CN222412750U (en) | 2024-04-08 | 2024-04-08 | A suspended energy dissipation height-limiting device and energy dissipation height-limiting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420716483.4U CN222412750U (en) | 2024-04-08 | 2024-04-08 | A suspended energy dissipation height-limiting device and energy dissipation height-limiting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222412750U true CN222412750U (en) | 2025-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420716483.4U Active CN222412750U (en) | 2024-04-08 | 2024-04-08 | A suspended energy dissipation height-limiting device and energy dissipation height-limiting frame |
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| Country | Link |
|---|---|
| CN (1) | CN222412750U (en) |
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- 2024-04-08 CN CN202420716483.4U patent/CN222412750U/en active Active
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