CN208235389U - One kind being movably arranged combined type car arresting gear - Google Patents
One kind being movably arranged combined type car arresting gear Download PDFInfo
- Publication number
- CN208235389U CN208235389U CN201820503918.1U CN201820503918U CN208235389U CN 208235389 U CN208235389 U CN 208235389U CN 201820503918 U CN201820503918 U CN 201820503918U CN 208235389 U CN208235389 U CN 208235389U
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- Prior art keywords
- plate
- pedestal
- arresting gear
- vehicle
- movably arranged
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Abstract
The utility model discloses one kind to be movably arranged combined type car arresting gear, belong to traffic control fixture technology field, arresting gear include be placed on the ground block frame, key is: the described frame that blocks includes the vertical pedestal for blocking plate and being fixed on its lower end, pedestal towards direction to the car side outer end and block the distance between plate more than or equal to the distance between headstock to rear tyre minimum point.When implementing to block, vehicle integrally travels on pedestal, entire arresting gear can integrally be carried out forward by vehicle, therefore vehicle and arresting gear are slided on the ground by pedestal, the kinetic energy of vehicle is absorbed by sliding friction, it does not need to use electric pole, the guardrail in roadside etc. as spud pile, it can avoid excessive secondary disaster, it is destroyed caused by vehicle, incident section and the peripheral facilities for relating to thing smaller, it does not need to carry out precise positioning to the driver in vehicle, easy to use, site clearing difficulty is low, and clearance time is short.
Description
Technical field
The utility model belongs to traffic control fixture technology field, is related to a kind of vehicle arresting device, especially one
Kind is movably arranged combined type car arresting gear.
Background technique
When driver, which drives vehicle, is intended to implement illegal act, it is necessary to be blocked to vehicle.The existing side of blocking
There are many method, such as on the way stack sand, to reduce vehicle forward speed；Setting nail band, so that bleeding a tire can not walk；Make
It uses other heavy objects as roadblock, illegal vehicle is prevented to advance；Chemical method fast erosion tire；Setting arresting net blocks
Rope, makes vehicle deceleration and stops；Make driver's parking etc. using flicker method or other methods.
From above method it is found that stack sand method it is most simple, and can Reusability, but after use clear up road surface compared with
It is time-consuming；Setting nail band, it is smaller for the influence for installing vacuum tyre vehicle for there is the vehicle of the inner tube of a tyre to be affected, even if using
Hollow steel nail, it is also not fully up to expectations to the effect of installation vacuum tyre vehicle；When using other heavy objects, if made using vehicle
For roadblock, property loss is huge, if using hard shoulder as roadblock, when hard shoulder is knocked away, hard shoulder is again at fatal
Weapon；Chemical method there is a problem of clearing up hardly possible afterwards；When using arresting net or blocking rope method, or need to set on road
Spud pile is set, or uses energy-absorbing module, spud pile is set on road surface, is a kind of destruction to road in itself, uses energy-absorbing
When module, the volume of energy-absorbing module is bigger；Precise positioning is carried out to the driver in operation vehicle using requirement when flicker method,
This is also less susceptible to accomplish.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises one kind and is movably arranged combined type car and block dress
It sets, vehicle integrally travels on pedestal, and entire arresting gear can integrally be carried out forward by vehicle, does not need the electric wire using roadside
Bar, guardrail etc. are used as spud pile, can avoid excessive secondary disaster, set to the vehicle, incident section and the surrounding that relate to thing
Destroyed caused by applying it is smaller, do not need in vehicle driver carry out precise positioning, easy to use, site clearing difficulty is low,
Clearance time is short.
The specific technical solution that the utility model is taken is: one kind being movably arranged combined type car arresting gear, packet
Include be placed on the ground block frame, it is important to: the frame that blocks includes the vertical bottom blocked plate and be fixed on its lower end
Seat, pedestal towards direction to the car side outer end and block the distance between plate more than or equal to headstock between rear tyre minimum point
Distance.
Described blocks plate and pedestal in inverted T-shaped structure, blocks and is fixed with diagonal brace between plate and pedestal, diagonal brace position
In blocking side of the backboard to direction to the car.
The pedestal includes bottom plate and the rubber slab for being fixed on bottom plate lower end surface.
Buffer gear, buffer gear outer end and pedestal are provided with towards direction to the car towards direction to the car side blocking plate
The distance between outer end of side is more than or equal to the distance between headstock to rear tyre minimum point.
The buffer gear includes being fixed on the leaf spring for blocking plate rear, and the opening direction direction of leaf spring blocks plate side
To the upper end of leaf spring is fixedly connected with plate is blocked, and the lower end of leaf spring is free end and is slidably matched with plate formation is blocked.
The buffer gear further includes the energy-absorbing module for being fixed on leaf spring outer end, energy-absorbing module include along the longitudinal direction according to
Conquassation pipe, rubber block and the foam-plastic blocks of secondary setting.
It is I-shaped separation bracket in conquassation pipe rear extension supporting plate and end face, separating bracket includes being arranged in parallel
Two level boards and the riser that is fixed between two level boards, rubber block and foam-plastic blocks be located at riser before,
Rear side, conquassation pipe rear end are fixedly connected with support plate, and support plate rear end face is fixed with positioning sleeve, separates front end and the positioning of bracket
Set is plugged and fixed, rear end cap is equipped with seal cap.
Setting is there are two connecting plate between leaf spring and conquassation pipe, and the connecting plate positioned at front is fixedly connected with leaf spring, position
Connecting plate in rear is fixedly connected with conquassation pipe, is detachable connection between two connecting plates.
It is all offered in the left and right sides of pedestal and widens hole, added and widen bolt and widen nut, adjacent two in left and right
The pedestal of arresting gear is fixedly connected by widening hole, widen bolt with the cooperation for widening nut.
Elongated pore is offered in the rear end of pedestal, adds and extends bolt and extend nut, two adjacent pedestals of front and back are borrowed
Elongated pore, extension bolt is helped to be fixedly connected with the cooperation for extending nut.
The beneficial effects of the utility model are: need in use, using mechanical transport method blocking the utility model
Device is transported to designated place, is then placed on road surface, does not need to use the electric pole in roadside, guardrail etc. as fixation
Stake, excessive secondary disaster can be avoided, destroyed caused by vehicle, incident section and the peripheral facilities for relating to thing it is smaller,
It does not need to carry out the driver in vehicle precise positioning, it is easy to use.When implementing to block, vehicle is whole in pedestal uplink
It sails, entire arresting gear can integrally be carried out forward by vehicle, therefore vehicle and arresting gear are slided on the ground by pedestal, sliding
Dynamic friction equally absorbs the kinetic energy of vehicle, and the size of force of sliding friction is with normal pressure (i.e. total matter of vehicle and arresting gear
Amount) it is directly proportional, the quality of vehicle is bigger, then force of sliding friction is bigger, and the ratio that vehicle energy reduces is faster.Vehicle when due to blocking
Entirety is all pressed on pedestal, and is blocked plate and be fixedly connected with pedestal, so arresting gear will not be knocked away and become fatal force
Device, more securely and reliably, and also it is at low cost.Arresting gear is removed using mechanical transport method after the incident, site clearing
Difficulty is low, and clearance time is short, is convenient for restoring scene.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of Fig. 1.
In attached drawing, 1 represents seal cap, and 2 represent positioning sleeve, and 3 represent conquassation pipe, and 4 represent connecting plate, and 5 represent leaf spring, 6 generations
Table blocks plate, and 7 represent diagonal brace, and 8 represent bottom plate, and 9 represent rubber slab, and 10 represent rubber block, and 11 represent separation bracket, and 12 represent
Foam-plastic blocks, 13 represent support plate, and hole is widened in 14 representatives.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as depicted in figs. 1 and 2, one kind being movably arranged combined type car arresting gear, including are placed on
Frame is blocked on ground, the frame that blocks includes the vertical pedestal for blocking plate 6 and being fixed on its lower end, and pedestal direction carrys out vehicle
The outer end of direction side and the distance between plate 6 is blocked more than or equal to headstock the distance between to rear tyre minimum point.Implementing
When blocking, vehicle is integrally travelled on pedestal, and entire arresting gear can integrally be carried out forward by vehicle, therefore vehicle and block dress
It sets and is slided on the ground by pedestal, sliding friction equally absorbs the kinetic energy of vehicle, and the size of force of sliding friction is with positive pressure
Power (i.e. the gross mass of vehicle and arresting gear) is directly proportional, and the quality of vehicle is bigger, then force of sliding friction is bigger, what kinetic energy reduced
Ratio is faster.
For common car, the distance between headstock to rear tyre minimum point (i.e. headstock to rear tyre and ground
Horizontal distance between the contact point in face) it is 3.0-3.5m, so in order to adapt to the use demand of more cars, it is ensured that small sedan-chair
Vehicle integrally all travels on pedestal, in the utility model for block car arresting gear pedestal towards direction to the car one
The outer end (i.e. the rear end of pedestal) of side is more than or equal to 3.5m with the distance between plate 6 is blocked, such as is set as 4.0m.
For the truck combination of trailer converter dolly, the distance between headstock to rear tyre minimum point (i.e. headstock to rear-wheel
Horizontal distance between tire and the contact point on ground) it is 16.5-17.5m, so being needed to adapt to the use of more truck combinations
It asks, it is ensured that truck combination integrally all travels on pedestal, for blocking the bottom of the arresting gear of truck combination in the utility model
The outer end (i.e. the rear end of pedestal) of seat towards direction to the car side is more than or equal to 17.5m with the distance between plate 6 is blocked, such as
It is set as 18.0m, the quantity of pedestal can also be increased at the rear of the arresting gear for blocking car to meet automobile column
Vehicle can shorten the length of each pedestal to the use demand of base length in this way, and carrying is facilitated to store.
As plate 6 and pedestal to further improvement of the utility model, is blocked in inverted T-shaped structure, block plate 6 with
Diagonal brace 7 is fixed between pedestal, diagonal brace 7 is located at the side for blocking plate 6 backwards to direction to the car.Using diagonal brace 7 to block plate 6 with
Connection between pedestal is stronger reliable, prevents from blocking 6 bending deformation of plate and influencing to block effect.In order to which more safety can
It leans on, the quantity of diagonal brace 7 is at least two, and all diagonal braces 7 are evenly distributed in left-right direction.
As to further improvement of the utility model, pedestal includes bottom plate 8 and the rubber slab for being fixed on 8 lower end surface of bottom plate
9, the force of sliding friction between rubber slab 9 and ground is formed as the power of blocking of vehicle, and the dynamic friction factor of rubber slab 9 is larger, can
To increase force of sliding friction, the reduction speed of vehicle energy is improved.
As to further improvement of the utility model, direction to the car side is provided with buffer gear blocking plate 6,
Buffer gear outer end and pedestal are more than or equal to headstock to rear tyre minimum point towards the distance between outer end of direction to the car side
The distance between, i.e., the distance between buffer gear rear end and base rear end are more than or equal to contact of the headstock to rear tyre with ground
Horizontal distance between point.On the basis of force of sliding friction, buffer gear is further added by absorb the kinetic energy of vehicle, can be improved
The required time is blocked in the reduction speed of vehicle energy, shortening.
As to further improvement of the utility model, buffer gear includes being fixed on the leaf spring 5 for blocking 6 rear of plate, plate
Towards 6 direction of plate is blocked, the upper end of leaf spring 5 is fixedly connected the opening direction of spring 5 with plate 6 is blocked, and the lower end of leaf spring 5 is freely
It holds and is slidably matched with the formation of plate 6 is blocked.When there is external force collision, the upper end of leaf spring 5 is motionless and lower end slide downward, thus
It converts the active force of horizontal direction to the active force of vertical direction, is can reduce in this way to the impact force for blocking plate 6, reduction is blocked
The probability of 6 bending deformation of baffle-wall.
As to further improvement of the utility model, buffer gear further includes the energy-absorbing module for being fixed on 5 outer end of leaf spring,
Energy-absorbing module includes the conquassation pipe 3, rubber block 10 and foam-plastic blocks 12 set gradually along the longitudinal direction.First with foamed plastics
Block 12, rubber block 10 and conquassation pipe 3 absorb the kinetic energy of a part of vehicle step by step, recycle leaf spring 5 to absorb the kinetic energy of vehicle, can
To reduce the requirement to 5 performance of leaf spring.
It is I-shaped in conquassation 3 rear extension supporting plate 13 of pipe and end face as to further improvement of the utility model
Separation bracket 11, separating bracket 11 includes two level boards disposed in parallel and the riser that is fixed between two level boards,
Rubber block 10 and foam-plastic blocks 12 are located at the forward and backward side of riser, and conquassation 3 rear end of pipe is fixedly connected with support plate 13, props up
13 rear end face of fagging is fixed with positioning sleeve 2, and the front end and positioning sleeve 2 for separating bracket 11 are plugged and fixed, rear end cap is equipped with seal cap
1.Rubber block 10 is inlaid in support plate 13, positioning sleeve 2 and separates between bracket 11, and foam-plastic blocks 12 are inlaid in separation branch
It is convenient to disassembly between frame 11 and seal cap 1, it is time saving and energy saving, and when there is Vehicular impact, due to positioning sleeve 2, separate branch
Deformation in the front-back direction, energy-absorbing effect can only occur for the position-limiting action of frame 11 and seal cap 1, rubber block 10 and foam-plastic blocks 12
More preferably.In order to make the connection between positioning sleeve 2 and separation bracket 11 is stronger reliably to offer screw hole on 2 side wall of positioning sleeve,
Separate and also offer screw hole on the level board of bracket 11, after separation bracket 11 is inserted into 2 inside of positioning sleeve, by pass through screw hole
Bolt is locked, and similarly, is also locked by bolt between seal cap 1 and separation bracket 11.
Foam-plastic blocks 12 are the block structures made of polyurethane, first is that having energy-absorbing function, second is that will not after fragmentation
Fine spray is formed, convenient for scene cleaning.In order to keep the connection of arresting gear entirety stronger reliable, energy-absorbing effect is more preferable,
It blocks and is provided at least two leaf springs 5 on plate 6 in left-right direction, be fixed with energy-absorbing module on each leaf spring 5, and same
All energy-absorbing modules blocked on plate 6 share a support plate 13.In order to make to be crushed between pipe 3 and support plate 13 in dismounting more
Add conveniently, is fixed with positioning plate in conquassation 3 rear end of pipe, locking by screw bolt and nut between positioning plate and support plate 13
It is fixed.The height of positioning plate is equal to the height of support plate 13 and is greater than the height of conquassation pipe 3, and the width of positioning plate is greater than conquassation pipe
3 width, so that the conquassation entire rear end face of pipe 3 is all stress surface, keeps the energy-absorbing effect for being crushed pipe 3 more preferable.
As to further improvement of the utility model, there are two connecting plate 4, positions for setting between leaf spring 5 and conquassation pipe 3
The connecting plate 4 that connecting plate 4 in front is fixedly connected with leaf spring 5, is located behind is fixedly connected with conquassation pipe 3, two connecting plates
It is detachable connection between 4.Leaf spring 5 and conquassation pipe 3 are dismantled when transport, storage, the space occupied can be reduced, conveniently removed
Fortune, and it is safer.In order to enable more convenient, matching by screw bolt and nut between two connecting plates 4 when assembling
Conjunction is locked.The height of connecting plate 4 is greater than the height of conquassation pipe 3, and the length of connecting plate 4 in left-right direction is greater than conquassation pipe 3
Length in left-right direction, the simultaneously greater than width of leaf spring 5 in left-right direction can increase in this way between leaf spring 5 and conquassation pipe 3
Contact area, it is more steady reliable when being crushed pipe 3 and leaf spring 5 and being extruded energy-absorbing.
It as to further improvement of the utility model, is all offered in the left and right sides of pedestal and widens hole 14, added and add
Wide bolt and widen nut, the pedestals of two adjacent arresting gears of left and right is by widening hole 14, widen bolt and widen nut
Cooperation be fixedly connected.Width can be blocked according to width of roadway increase in this way, prevent from being blocked a left side of the vehicle from arresting gear
Side or right side pass through, while can satisfy the demand of blocking of different in width vehicle, simple in construction, easy to disassemble and assemble quick, time saving province
Power.
As to further improvement of the utility model, offer elongated pore in the rear end of pedestal, add extend bolt and
Extend nut, two adjacent pedestals of front and back are fixedly connected by elongated pore, extension bolt with the cooperation for extending nut.In this way may be used
To increase the length of pedestal as needed, demand is blocked with meet various different length vehicles, and structure is simple, dismounting side
Just quick, it is time saving and energy saving.
As to further improvement of the utility model, blocking between plate 6 and pedestal, block between plate 6 and diagonal brace 7, tiltedly
It is all detachable connection between support 7 and pedestal.Transport, storage when will block plate 6, diagonal brace 7 is dismantled with pedestal, can reduce and account for
Space facilitates carrying, and safer.In order to enable it is more convenient when assembling, block between plate 6 and pedestal,
It blocks between plate 6 and diagonal brace 7, be all connected by screw bolts between diagonal brace 7 and pedestal.It is more convenient when in order to make dismounting, it blocks
6 bottom of plate is fixed with L-shaped fixed plate, and the riser of L-shaped fixed plate is fixedly connected with plate 6 is blocked, the transverse slat of L shape fixed plate by
Bolt is fixedly connected with pedestal.
The utility model is when specifically used: when blocking, vehicle is integrally travelled on bottom plate 8, and entire arresting gear can quilt
Vehicle is integrally carried out forward, therefore vehicle and arresting gear are slided on the ground by rubber slab 9, and sliding friction equally absorbs vehicle
Kinetic energy, and the size of force of sliding friction is directly proportional with normal pressure (i.e. the gross mass of vehicle and arresting gear), vehicle
Quality is bigger, then force of sliding friction is bigger, and the ratio that kinetic energy reduces is faster.When vehicle and seal cap 1 contact, it can be applied
Pressure, and power is conducted on foam-plastic blocks 12；Kinetic energy continues to act on rubber block 10 later, foam-plastic blocks 12 and rubber
Blob of viscose 10 can all absorb the energy of vehicle；Kinetic energy continues to act on conquassation pipe 3 later, and shrinkable becomes after conquassation pipe 3 is impacted
Shape absorbs energy by conquassation pipe 3；Kinetic energy continues to act on leaf spring 5 later, and deformation occurs after leaf spring 5 is hit, leaf spring 5
Upper end is fixedly connected with plate 6 is blocked, and 5 lower end of leaf spring can be moved down along plate 6 is blocked, and absorbs energy by leaf spring 5, and to bottom plate 8
Downward pressure is formed, the force of sliding friction between rubber slab 9 and ground is increased, so that vehicle energy reduces faster.Bottom
Force of sliding friction combined with each energy absorbing component of top, make vehicle energy reduce faster, it is more preferable to block effect.
It needs in use, the arresting gear of the utility model is transported to designated place using mechanical transport method, then
It is placed on road surface, does not need to use the electric pole in roadside, guardrail etc. as spud pile, excessive time can be avoided
Raw disaster, destroys smaller caused by vehicle, incident section and the peripheral facilities for relating to thing, does not need to the driver in vehicle
Precise positioning is carried out, it is easy to use.In use process, since vehicle is integrally all pressed on pedestal, and blocks plate 6 and fixed with pedestal
Connection, so arresting gear will not be knocked away and become deadly weapon, more securely and reliably, and it is at low cost.It uses after the incident
Mechanical transport method removes arresting gear, and site clearing difficulty is low, and clearance time is short, is convenient for restoring scene.
Claims (10)
1. one kind is movably arranged combined type car arresting gear, frame is blocked including what is be placed on the ground, it is characterised in that: institute
The frame that blocks stated includes the vertical pedestal for blocking plate (6) and being fixed on its lower end, outer end of the pedestal towards direction to the car side
With block the distance between plate (6) more than or equal to headstock the distance between to rear tyre minimum point.
2. one kind according to claim 1 is movably arranged combined type car arresting gear, it is characterised in that: described blocks
Baffle-wall (6) and pedestal are in inverted T-shaped structure, block and are fixed between plate (6) and pedestal diagonal brace (7), and diagonal brace (7), which is located at, to be blocked
Baffle-wall (6) is backwards to the side of direction to the car.
3. one kind according to claim 1 is movably arranged combined type car arresting gear, it is characterised in that: the bottom
Seat includes bottom plate (8) and the rubber slab (9) for being fixed on bottom plate (8) lower end surface.
4. one kind according to claim 1 is movably arranged combined type car arresting gear, it is characterised in that: blocking plate
(6) towards direction to the car side be provided with buffer gear, buffer gear outer end and pedestal towards direction to the car side outer end it
Between distance be more than or equal to headstock the distance between to rear tyre minimum point.
5. one kind according to claim 4 is movably arranged combined type car arresting gear, it is characterised in that: described is slow
Punch mechanism includes being fixed on the leaf spring (5) for blocking plate (6) rear, and the opening direction direction of leaf spring (5) blocks plate (6) direction, plate
The upper end of spring (5) is fixedly connected with plate (6) is blocked, and the lower end of leaf spring (5) is free end and matches with blocking plate (6) and being formed to slide
It closes.
6. one kind according to claim 5 is movably arranged combined type car arresting gear, it is characterised in that: described is slow
Punch mechanism further includes the energy-absorbing module for being fixed on leaf spring (5) outer end, and energy-absorbing module includes the conquassation set gradually along the longitudinal direction
Manage (3), rubber block (10) and foam-plastic blocks (12).
7. one kind according to claim 6 is movably arranged combined type car arresting gear, it is characterised in that: managed in conquassation
(3) rear extension supporting plate (13) and end face are I-shaped separation bracket (11), and it includes disposed in parallel for separating bracket (11)
Two level boards and the riser being fixed between two level boards, rubber block (10) and foam-plastic blocks (12) are located at perpendicular
The forward and backward side of plate, conquassation pipe (3) rear end are fixedly connected with support plate (13), and support plate (13) rear end face is fixed with positioning sleeve
(2), separate the front end of bracket (11) and positioning sleeve (2) are plugged and fixed, rear end cap is equipped with seal cap (1).
8. one kind according to claim 6 is movably arranged combined type car arresting gear, it is characterised in that: in leaf spring
(5) setting is there are two connecting plate (4) between conquassation pipe (3), and the connecting plate (4) positioned at front is fixedly connected with leaf spring (5), position
Connecting plate (4) in rear is fixedly connected with conquassation pipe (3), is detachable connection between two connecting plates (4).
9. one kind according to claim 1 is movably arranged combined type car arresting gear, it is characterised in that: in pedestal
The left and right sides, which all offers, widens hole (14), adds and widens bolt and widen nut, the bottom of two adjacent arresting gears of left and right
Seat is fixedly connected by widening hole (14), widen bolt with the cooperation for widening nut.
10. one kind according to claim 1 is movably arranged combined type car arresting gear, it is characterised in that: in pedestal
Rear end offer elongated pore, add extend bolt and extend nut, two adjacent pedestals of front and back by elongated pore, extend spiral shell
Bolt is fixedly connected with the cooperation for extending nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820503918.1U CN208235389U (en) | 2018-04-11 | 2018-04-11 | One kind being movably arranged combined type car arresting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820503918.1U CN208235389U (en) | 2018-04-11 | 2018-04-11 | One kind being movably arranged combined type car arresting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208235389U true CN208235389U (en) | 2018-12-14 |
Family
ID=64587551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820503918.1U Expired - Fee Related CN208235389U (en) | 2018-04-11 | 2018-04-11 | One kind being movably arranged combined type car arresting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208235389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411821A (en) * | 2018-04-11 | 2018-08-17 | 邯郸职业技术学院 | One kind being movably arranged combined type car arresting gear |
-
2018
- 2018-04-11 CN CN201820503918.1U patent/CN208235389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411821A (en) * | 2018-04-11 | 2018-08-17 | 邯郸职业技术学院 | One kind being movably arranged combined type car arresting gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20210411 |