CN208995955U - Three-layer type hydraulic cushion height-limiting frame - Google Patents
Three-layer type hydraulic cushion height-limiting frame Download PDFInfo
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- CN208995955U CN208995955U CN201821756135.0U CN201821756135U CN208995955U CN 208995955 U CN208995955 U CN 208995955U CN 201821756135 U CN201821756135 U CN 201821756135U CN 208995955 U CN208995955 U CN 208995955U
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Abstract
The utility model discloses three-layer type hydraulic cushion height-limiting frames, including first layer elasticity limit for height component, second layer elasticity limit for height component, third layer elasticity limit for height component and bracket, bracket includes benchmark upright bar, middle part upright bar, caution vertical pole, brace, benchmark upright bar, middle part upright bar, caution vertical pole are vertically arranged on the ground and on same perpendicular, benchmark upright bar is identical with the height of caution vertical pole, and middle part upright bar is between benchmark upright bar and caution vertical pole and the height of middle part upright bar is lower than the height of benchmark upright bar；One end of brace is connected to the top of caution vertical pole, and the other end of brace is connected to the top of middle part upright bar.The utility model passes through three layers of setting elastic limit for height component, the impact sense of vehicle can be reduced, reduces the safety coefficient of vehicle, the degree of injury of height-limiting frame and raising passenger and driver, realizing reduces cost, the reuse rate for improving height-limiting frame, extends the purpose of the service life of height-limiting frame.
Description
Technical field
The utility model relates to the height-limiting frames in road and bridge hole, and in particular to three-layer type hydraulic cushion height-limiting frame.
Background technique
Height-limiting frame is a kind of for bridge, the gate frame structure of tunnel entrance, plays the work in protection bridge, tunnel
With, prevent Overheight Vehicles hit bridge, tunnel and bridge, tunnel are damaged；In addition, Vehicular impact bridge, tunnel also can
Personal property is caused to injure on vehicle and driver.So the basic demand to height-limiting frame is: first, it is ensured that Overheight Vehicles will not
It strikes bridge, tunnel, mitigates the extent of damage of superelevation driver and vehicle, while being also prevented from vehicle and destroying a bridge and tunnel；
Secondly, it is ensured that personnel safety and height-limiting frame on vehicle are as small as possible to be damaged.Height-limiting frame in the prior art is most
The inlet that the connection in the form of welding, i.e. height-limiting frame are all stationarily connected to bridge, tunnel, once truck and limit occurs
Overhead to hit, truck will hit height-limiting frame deformation, cause repair personnel to need replacing a new height-limiting frame, damaged
Bad height-limiting frame needs to being drawn to workshop reparation or directly scraps, i.e., height-limiting frame in the prior art cannot repeat benefit
With spoilage is high；And the main reason for causing height-limiting frame spoilage high is that height-limiting frame in the prior art imitates the deceleration of vehicle
Fruit is unobvious, i.e., height-limiting frame in the prior art not can effectively prevent vehicle brake and stop.
Utility model content
Technical problem to be solved in the utility model is that height-limiting frame recycling rate of waterused in the prior art is low, leads to cost
Height improves the recycling rate of waterused of height-limiting frame and extends making for height-limiting frame, and it is an object of the present invention to provide three-layer type hydraulic cushion height-limiting frame
With the service life, cost is reduced.
The utility model is achieved through the following technical solutions:
Three-layer type hydraulic cushion height-limiting frame, including first layer elasticity limit for height component, second layer elasticity limit for height component, third layer
Elastic limit for height component and bracket, bracket include benchmark upright bar, middle part upright bar, caution vertical pole, brace, benchmark upright bar, middle part upright bar,
Caution vertical pole is vertically arranged on the ground and on same perpendicular, and benchmark upright bar is identical with the height of caution vertical pole,
Middle part upright bar is between benchmark upright bar and caution vertical pole and the height of middle part upright bar is lower than the height of benchmark upright bar；The one of brace
End is connected to the top of caution vertical pole, and the other end of brace is connected to the top of middle part upright bar；The quantity of bracket is two, two
Bracket is separately positioned on the two sides in channel and two brackets are arranged in parallel；First layer elasticity limit for height component, second layer elasticity limit for height
Component, third layer elasticity limit for height component are rectangular frame structure and are horizontally disposed between two supports；Wherein, first layer
Two endpoints of elastic limit for height component are connected to the top of two middle part upright bars, other two endpoint is connected to two
In benchmark upright bar；The top of two brackets, i.e. four of third layer elasticity limit for height component is arranged in third layer elasticity limit for height component
Endpoint is connected to the top of the quasi- upright bar of two foundation and two caution vertical poles；Second layer elasticity limit for height component is arranged first
Between the elastic limit for height component of layer and third layer elasticity limit for height component, two endpoints of second layer elasticity limit for height component are connected to
On two braces, other two endpoint is connected in the quasi- upright bar of two foundation；The height of middle part upright bar is the most high pass in channel
Cross height.
In bridge, culvert or when protect to highway, it is typically provided with height-limiting frame in inlet, is limited
Overhead purpose is that preventing the vehicle of superelevation from entering needs area to be protected, to a certain extent also for limitation vehicle
Weight, mitigate highway, bridge load-bearing pressure.Height-limiting frame not only needs to protect highway, bridge, it is also necessary to consider
There is the safety of Overheight Vehicles and driver and passenger after Overheight Vehicles, the height-limiting frame of the prior art for vehicle and driver and
The protection of passenger is little, because height-limiting frame is mostly rigid bar, generates when height-limiting frame is hit in the superelevation part of vehicle
It is hard collision, is easy to bring biggish injury to passenger and driver, the extent of damage of vehicle also will increase；Meanwhile
After Overheight Vehicles hit height-limiting frame, height-limiting frame is easily damaged, maintenance difficult, and replacement cost is high.The utility model in order to solve on
Problem is stated, is provided with the different first layer elasticity limit for height component of height, second layer elasticity limit for height component, the between two supports
Three layers of elastic limit for height component, wherein first layer elasticity limit for height component height is minimum, this is can be by the highest of this height-limiting frame
Highly, second layer elasticity limit for height component and third layer elasticity limit for height component are successively set on the upper of first layer elasticity limit for height component
Side, while needing by the vehicle of this height-limiting frame on vertical region at first by third layer elasticity limit for height component, using the
Two layers of elastic limit for height component, finally pass through first layer elasticity limit for height component.When superelevation occurs in the vehicle of process, if the vehicle
Height already exceed third layer elasticity limit for height component, third layer elasticity limit for height component can first stop vehicle, realize
First time forced deceleration, when vehicle touches third layer elasticity limit for height component, the vibration of vehicle can remind driver to carry out actively
Slow down；Vehicle continues to slide forward after deceleration, must touch second layer elasticity limit for height component, second layer elasticity limit for height component pair
Vehicle realizes second of forced deceleration, and so on, if car speed is larger, third layer elasticity limit for height component can be to vehicle reality
Now third time forced deceleration.In order to reduce the intensity of the rigid collision between vehicle and limit for height component, set limit for height component to
Elastic limit for height component, reduces shock dynamics, so that it may mitigate to vehicle, driver and the damage of passenger, also mitigate simultaneously
The extent of damage of limit for height component, reduces maintenance cost, reduces the replacement number of height-limiting frame.In the bracket of channel two sides setting
It include three vertical rod pieces, i.e., benchmark upright bar, middle part upright bar and caution vertical pole, bracket can not only support elastic limit for height portion
Part, while vehicle can also be realized in channel two sides in the direction out of control of vehicle and stop buffer function, prevent direction of traffic
Channel is gone out after out of control, causes secondary injury.
Further, first layer elasticity limit for height component include first support bar, the first buffer unit, the first guiding parts,
First limit for height live pole, the both ends of first support bar are connected between the quasi- upright bar of two foundation；The quantity of first guiding parts is
It two, is separately positioned on two brackets；First guiding parts is rod piece, and one end of the first guiding parts is connected to middle part upright bar
Top, the other end of the first guiding parts is connected in benchmark upright bar；The both ends of first limit for height live pole are respectively and movably connected to
On two first guiding parts；First buffer unit is rod piece, and one end of the first buffer unit is connected to the first limit for height live pole
Middle part, the other end are connected to the middle part of first support bar.
The main purpose of elastic limit for height component is the elastic limit for height portion in order to which the speed of vehicle is reduced or forced vehicle and is stopped
The buffer unit that part summarizes can realize the shock dynamics reduced between vehicle and elastic limit for height component, when vehicle touches bullet
When property limit for height component, buffer unit can generate it is opposite with the driving direction of vehicle (before the driving direction of vehicle is, the traveling of vehicle
The opposite direction in direction is rear) a power, as the power between buffer unit and vehicle is gradually increased, vehicle will lead to buffer part
Part travels forward along guiding parts, and buffer unit travels forward more, and it is bigger to generate power backward to vehicle, thus in fact
The reduction of speed of existing vehicle, while avoiding vehicle very stiff and demanding with buffer unit, mitigate the damaged condition of vehicle, while to buffer unit
Injury is substantially reduced to 0.
Further, the first buffer unit uses hydraulic bjuffer.First buffer unit, the second buffer unit and third are slow
The device of buffer function can be had using hydraulic bjuffer, oil buffer, air supporting bar, hydraulic damper etc. by rushing component
Part.
Further, second layer elasticity limit for height component include second support bar, the second buffer unit, the second guiding parts,
Second limit for height live pole, the both ends of second support bar are connected between the quasi- upright bar of two foundation；The quantity of second guiding parts is
It two, is separately positioned on two brackets；Second guiding parts is rod piece, and one end of the second guiding parts is connected on brace,
The other end of second guiding parts is connected in benchmark upright bar；The both ends of second limit for height live pole are respectively and movably connected to two second
On guiding parts；Second buffer unit is rod piece, and one end of the second buffer unit is connected to the middle part of the second limit for height live pole, another
End is connected to the middle part of second support bar.
Further, the second guiding parts uses rail closure.First guiding parts, the second guiding parts, third guiding
Component army can use rail closure, using the purpose of rail closure, first is that in order to preferably control the movement road of limit for height live pole
Diameter prevents limit for height live pole from falling off；Second is that reducing maintenance cost to protect to guiding parts.
Further, third layer elasticity limit for height component include third support rod, third buffer unit, third guiding parts,
Third limit for height live pole, the both ends of third support rod are connected to the top of the quasi- upright bar of two foundation；The quantity of third guiding parts
It is two, is separately positioned on two brackets；Third guiding parts is rod piece, and it is vertical that one end of third guiding parts is connected to warning
The top of bar, the other end of third guiding parts are connected to the top of benchmark upright bar；The activity respectively of the both ends of third limit for height live pole
It is connected on two third guiding parts；Third buffer unit is rod piece, and one end of third buffer unit is connected to third limit for height
The middle part of live pole, the other end are connected to the middle part of third support rod.
The working principle one of second layer elasticity limit for height component, third layer elasticity limit for height component and first layer elasticity limit for height component
It causes, wherein due to first layer elasticity limit for height component, second layer elasticity limit for height component, third layer elasticity limit for height component and superelevation vehicle
Contact sequence it is inconsistent, sequence is followed successively by third layer elasticity limit for height component, second layer elasticity limit for height component, first layer bullet
Property limit for height component, therefore the elasticity of third layer elasticity limit for height component, second layer elasticity limit for height component, first layer elasticity limit for height component
Intensity should be ascending, further mitigates the shock dynamics between vehicle and elastic limit for height component.
Further, the outer surface of third support rod is enclosed with sponge and/or foam.First support bar, second support bar,
Sponge or foam or a combination thereof or other padded coamings, first support bar, second can be set in third support rod
Strut, third support rod are the components of direct contact vehicle, and padded coaming, can further decrease rushing for vehicle on its outer surface
Sense is hit, the safety coefficient of vehicle, the degree of injury of height-limiting frame and raising passenger and driver is reduced.
Further, the difference in height between first layer elasticity limit for height component and second layer elasticity limit for height component is greater than the second layer
Difference in height between elastic limit for height component and third layer elasticity limit for height component.Difference in height between three layers of elastic limit for height component can be with
Specific setting as the case may be.
The utility model compared with prior art, has the following advantages and benefits: the utility model passes through setting
Three layers of elastic limit for height component, can reduce the impact sense of vehicle, reduce vehicle, the degree of injury of height-limiting frame and raising passenger and Si
The safety coefficient of machine, realizing reduces cost, improves the reuse rate of height-limiting frame, extends the mesh of the service life of height-limiting frame
's.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model.
Label and corresponding parts title in attached drawing:
11- first support bar, the first buffer unit of 12-, the first guiding parts of 13-, 14- the first limit for height live pole, 21- second
Support rod, the second buffer unit of 22-, the second guiding parts of 23-, 24- the second limit for height live pole, 31- third support rod, 32- third
Buffer unit, 33- third guiding parts, 34- third limit for height live pole, 4- benchmark upright bar, 5- middle part upright bar, 6- caution vertical pole, 7-
Brace.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, three-layer type hydraulic cushion height-limiting frame, including first layer elasticity limit for height component, second layer elasticity limit for height
Component, third layer elasticity limit for height component and bracket, bracket include benchmark upright bar 4, middle part upright bar 5, caution vertical pole 6, brace 7, base
Quasi- upright bar 4, middle part upright bar 5, caution vertical pole 6 are vertically arranged on the ground and on same perpendicular, 4 He of benchmark upright bar
The height of caution vertical pole 6 is identical, and middle part upright bar 5 is between benchmark upright bar 4 and caution vertical pole 6 and the height of middle part upright bar 5 is low
In the height of benchmark upright bar 4；One end of brace 7 is connected to the top of caution vertical pole 6, and it is vertical that the other end of brace 7 is connected to middle part
The top of bar 5；The quantity of bracket is two, and two brackets are separately positioned on the two sides in channel and two brackets are arranged in parallel；The
One layer of elastic limit for height component, second layer elasticity limit for height component, third layer elasticity limit for height component are rectangular frame structure and water
Flat setting is between two supports；Wherein, two endpoints of first layer elasticity limit for height component are connected to two middle part upright bars 5
Top, other two endpoint is connected in the quasi- upright bar 4 of two foundation；Third layer elasticity limit for height component is arranged in two brackets
Top, i.e. four endpoints of third layer elasticity limit for height component are connected to the quasi- upright bar 4 of two foundation and two caution vertical poles 6
Top；Second layer elasticity limit for height component is arranged between first layer elasticity limit for height component and third layer elasticity limit for height component, the
Two endpoints of two layers of elastic limit for height component are connected on two braces 7, other two endpoint is connected to two foundation
In quasi- upright bar 4；The height of middle part upright bar 5 is that the highest in channel passes through height.
In bridge, culvert or when protect to highway, it is typically provided with height-limiting frame in inlet, is limited
Overhead purpose is that preventing the vehicle of superelevation from entering needs area to be protected, to a certain extent also for limitation vehicle
Weight, mitigate highway, bridge load-bearing pressure.Height-limiting frame not only needs to protect highway, bridge, it is also necessary to consider
There is the safety of Overheight Vehicles and driver and passenger after Overheight Vehicles, the height-limiting frame of the prior art for vehicle and driver and
The protection of passenger is little, because height-limiting frame is mostly rigid bar, generates when height-limiting frame is hit in the superelevation part of vehicle
It is hard collision, is easy to bring biggish injury to passenger and driver, the extent of damage of vehicle also will increase；Meanwhile
After Overheight Vehicles hit height-limiting frame, height-limiting frame is easily damaged, maintenance difficult, and replacement cost is high.The utility model in order to solve on
Problem is stated, is provided with the different first layer elasticity limit for height component of height, second layer elasticity limit for height component, the between two supports
Three layers of elastic limit for height component, wherein first layer elasticity limit for height component height is minimum, this is can be by the highest of this height-limiting frame
Highly, second layer elasticity limit for height component and third layer elasticity limit for height component are successively set on the upper of first layer elasticity limit for height component
Side, while needing by the vehicle of this height-limiting frame on vertical region at first by third layer elasticity limit for height component, using the
Two layers of elastic limit for height component, finally pass through first layer elasticity limit for height component.When superelevation occurs in the vehicle of process, if the vehicle
Height already exceed third layer elasticity limit for height component, third layer elasticity limit for height component can first stop vehicle, realize
First time forced deceleration, when vehicle touches third layer elasticity limit for height component, the vibration of vehicle can remind driver to carry out actively
Slow down；Vehicle continues to slide forward after deceleration, must touch second layer elasticity limit for height component, second layer elasticity limit for height component pair
Vehicle realizes second of forced deceleration, and so on, if car speed is larger, third layer elasticity limit for height component can be to vehicle reality
Now third time forced deceleration.In order to reduce the intensity of the rigid collision between vehicle and limit for height component, set limit for height component to
Elastic limit for height component, reduces shock dynamics, so that it may mitigate to vehicle, driver and the damage of passenger, also mitigate simultaneously
The extent of damage of limit for height component, reduces maintenance cost, reduces the replacement number of height-limiting frame.In the bracket of channel two sides setting
It include three vertical rod pieces, i.e. benchmark upright bar 4, middle part upright bar 5 and caution vertical pole 6, bracket can not only support elastic limit
High component, while vehicle can also be realized in channel two sides in the direction out of control of vehicle and stop buffer function, prevent vehicle
Channel is gone out after direction out of control, causes secondary injury.
First layer elasticity limit for height component includes first support bar 11, the first buffer unit 12, the first guiding parts 13, first
Limit for height live pole 14, the both ends of first support bar 11 are connected between the quasi- upright bar 4 of two foundation；The quantity of first guiding parts 13
It is two, is separately positioned on two brackets；First guiding parts 13 is rod piece, during one end of the first guiding parts 13 is connected to
The other end on the top of portion's upright bar 5, the first guiding parts 13 is connected in benchmark upright bar 4；The both ends of first limit for height live pole 14 point
It is not movably connected on two first guiding parts 13；First buffer unit 12 is rod piece, and one end of the first buffer unit 12 connects
It connects at the middle part of the first limit for height live pole 14, the other end is connected to the middle part of first support bar 11.Second layer elasticity limit for height component packet
Include second support bar 21, the second buffer unit 22, the second guiding parts 23, the second limit for height live pole 24, the two of second support bar 21
End is connected between the quasi- upright bar 4 of two foundation；The quantity of second guiding parts 23 is two, is separately positioned on two brackets
On；Second guiding parts 23 is rod piece, and one end of the second guiding parts 23 is connected on brace 7, the second guiding parts 23 it is another
One end is connected in benchmark upright bar 4；The both ends of second limit for height live pole 24 are respectively and movably connected on two second guiding parts 23；
Second buffer unit 22 is rod piece, and one end of the second buffer unit 22 is connected to the middle part of the second limit for height live pole 24, and the other end connects
It connects at the middle part of second support bar 21.Third layer elasticity limit for height component includes third support rod 31, third buffer unit 32, third
Guiding parts 33, third limit for height live pole 34, the both ends of third support rod 31 are connected to the top of the quasi- upright bar 4 of two foundation；The
The quantity of three guiding parts 33 is two, is separately positioned on two brackets；Third guiding parts 33 is rod piece, third guide part
One end of part 33 is connected to the top of caution vertical pole 6, and the other end of third guiding parts 33 is connected to the top of benchmark upright bar 4；
The both ends of third limit for height live pole 34 are respectively and movably connected on two third guiding parts 33；Third buffer unit 32 is rod piece,
One end of third buffer unit 32 is connected to the middle part of third limit for height live pole 34, and the other end is connected in third support rod 31
Portion.The main purpose of elastic limit for height component is in order to which the speed of vehicle is reduced or forced vehicle and is stopped, and elastic limit for height component converges
Total buffer unit can realize the shock dynamics reduced between vehicle and elastic limit for height component, when vehicle touches elastic limit
When high component, buffer unit can generate it is opposite with the driving direction of vehicle (before the driving direction of vehicle is, the driving direction of vehicle
Opposite direction be rear) a power, as the power between buffer unit and vehicle is gradually increased, vehicle will lead to buffer unit edge
Guiding parts travel forward, buffer unit travels forward more, and it is bigger to generate power backward to vehicle, to realize vehicle
Reduction of speed, while avoiding vehicle very stiff and demanding with buffer unit, mitigate the damaged condition of vehicle, while the injury to buffer unit
Substantially it is reduced to 0.The work of the second layer elasticity limit for height component, third layer elasticity limit for height component and first layer elasticity limit for height component
Principle is consistent, wherein due to first layer elasticity limit for height component, second layer elasticity limit for height component, third layer elasticity limit for height component with
The sequence of Overheight Vehicles contact is inconsistent, and sequence is followed successively by third layer elasticity limit for height component, second layer elasticity limit for height component, the
One layer of elastic limit for height component, therefore third layer elasticity limit for height component, second layer elasticity limit for height component, first layer elasticity limit for height component
Elastic strength should be ascending, further mitigate the shock dynamics between vehicle and elastic limit for height component.
First buffer unit 12, the second buffer unit 22 and third buffer unit 32 can use hydraulic bjuffer, oil
Compression buffer, air supporting bar, hydraulic damper etc. have the device of buffer function.First guiding parts 13, the second guide part
Part 23,33 army of third guiding parts can use rail closure, using the purpose of rail closure, first is that in order to preferably control limit
The motion path of high live pole prevents limit for height live pole from falling off；Second is that reducing maintenance cost to protect to guiding parts.The
One support rod 11, second support bar 21, third support rod 31 can be set sponge or foam or a combination thereof or other
Padded coaming, first support bar 11, second support bar 21, third support rod 31 are the components of direct contact vehicle, in its appearance
Padded coaming on face, can further decrease the impact sense of vehicle, reduce vehicle, height-limiting frame degree of injury and improve passenger and
The safety coefficient of driver.Difference in height between first layer elasticity limit for height component and second layer elasticity limit for height component is greater than second layer bullet
Difference in height between property limit for height component and third layer elasticity limit for height component.Difference in height between three layers of elastic limit for height component can root
Specifically it is arranged according to concrete condition.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. three-layer type hydraulic cushion height-limiting frame, which is characterized in that including first layer elasticity limit for height component, second layer elasticity limit for height portion
Part, third layer elasticity limit for height component and bracket, the bracket include benchmark upright bar (4), middle part upright bar (5), caution vertical pole (6),
Brace (7), the benchmark upright bar (4), middle part upright bar (5), caution vertical pole (6) are vertically arranged on the ground and in same perpendicular
In straight plane, the benchmark upright bar (4) is identical with the height of caution vertical pole (6), and the middle part upright bar (5) is in benchmark upright bar
(4) between caution vertical pole (6) and the height of middle part upright bar (5) be lower than benchmark upright bar (4) height；The one of the brace (7)
End is connected to the top of caution vertical pole (6), and the other end of the brace (7) is connected to the top of middle part upright bar (5)；The bracket
Quantity be two, two brackets are separately positioned on the two sides in channel and two brackets are arranged in parallel；The first layer elasticity limit
High component, second layer elasticity limit for height component, third layer elasticity limit for height component are rectangular frame structure and are horizontally set on two
Between a bracket；Wherein, two endpoints of the first layer elasticity limit for height component are connected to the top of two middle part upright bars (5)
End, other two endpoint are connected in the quasi- upright bar of two foundation (4)；The third layer elasticity limit for height component is arranged in two branch
The top of frame, i.e. four endpoints of third layer elasticity limit for height component are connected to the quasi- upright bar of two foundation (4) and two warnings
The top of upright bar (6)；The second layer elasticity limit for height component is arranged in first layer elasticity limit for height component and third layer elasticity limit for height
Between component, two endpoints of the second layer elasticity limit for height component are connected on two braces (7), other two endpoint
It is connected in the quasi- upright bar of two foundation (4)；The height of the middle part upright bar (5) is that the highest in channel passes through height.
2. three-layer type hydraulic cushion height-limiting frame according to claim 1, which is characterized in that the first layer elasticity limit for height portion
Part includes first support bar (11), the first buffer unit (12), the first guiding parts (13), the first limit for height live pole (14), described
The both ends of first support bar (11) are connected between the quasi- upright bar of two foundation (4)；The quantity of first guiding parts (13)
It is two, is separately positioned on two brackets；First guiding parts (13) is rod piece, first guiding parts (13)
One end is connected to the top of middle part upright bar (5), and the other end of the first guiding parts (13) is connected on benchmark upright bar (4)；It is described
The both ends of first limit for height live pole (14) are respectively and movably connected on two first guiding parts (13)；First buffer unit
It (12) is rod piece, one end of the first buffer unit (12) is connected to the middle part of the first limit for height live pole (14), and the other end is connected to the
The middle part of one support rod (11).
3. three-layer type hydraulic cushion height-limiting frame according to claim 2, which is characterized in that first buffer unit (12)
Using hydraulic bjuffer.
4. three-layer type hydraulic cushion height-limiting frame according to claim 1, which is characterized in that the second layer elasticity limit for height portion
Part includes second support bar (21), the second buffer unit (22), the second guiding parts (23), the second limit for height live pole (24), described
The both ends of second support bar (21) are connected between the quasi- upright bar of two foundation (4)；The quantity of second guiding parts (23)
It is two, is separately positioned on two brackets；Second guiding parts (23) is rod piece, second guiding parts (23)
One end is connected on brace (7), and the other end of the second guiding parts (23) is connected on benchmark upright bar (4)；Second limit for height
The both ends of live pole (24) are respectively and movably connected on two second guiding parts (23)；Second buffer unit (22) is bar
Part, one end of the second buffer unit (22) are connected to the middle part of the second limit for height live pole (24), and the other end is connected to second support bar
(21) middle part.
5. three-layer type hydraulic cushion height-limiting frame according to claim 4, which is characterized in that second guiding parts (23)
Using rail closure.
6. three-layer type hydraulic cushion height-limiting frame according to claim 1, which is characterized in that the third layer elasticity limit for height portion
Part includes third support rod (31), third buffer unit (32), third guiding parts (33), third limit for height live pole (34), described
The both ends of third support rod (31) are connected to the top of the quasi- upright bar of two foundation (4)；The number of the third guiding parts (33)
Amount is two, is separately positioned on two brackets；The third guiding parts (33) is rod piece, the third guiding parts (33)
One end be connected to the tops of caution vertical pole (6), the other end of third guiding parts (33) is connected to the top of benchmark upright bar (4)
End；The both ends of the third limit for height live pole (34) are respectively and movably connected on two third guiding parts (33)；The third is slow
Rushing component (32) is rod piece, and one end of third buffer unit (32) is connected to the middle part of third limit for height live pole (34), and the other end connects
Connect the middle part in third support rod (31).
7. three-layer type hydraulic cushion height-limiting frame according to claim 6, which is characterized in that the third support rod (31)
Outer surface is enclosed with sponge and/or foam.
8. three-layer type hydraulic cushion height-limiting frame according to claim 1, which is characterized in that the first layer elasticity limit for height portion
Difference in height between part and second layer elasticity limit for height component is greater than second layer elasticity limit for height component and third layer elasticity limit for height component
Between difference in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821756135.0U CN208995955U (en) | 2018-10-29 | 2018-10-29 | Three-layer type hydraulic cushion height-limiting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821756135.0U CN208995955U (en) | 2018-10-29 | 2018-10-29 | Three-layer type hydraulic cushion height-limiting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995955U true CN208995955U (en) | 2019-06-18 |
Family
ID=66804898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821756135.0U Expired - Fee Related CN208995955U (en) | 2018-10-29 | 2018-10-29 | Three-layer type hydraulic cushion height-limiting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208995955U (en) |
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2018
- 2018-10-29 CN CN201821756135.0U patent/CN208995955U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190618 Termination date: 20201029 |