CN211545784U - Portable vehicle-mounted rescue device - Google Patents
Portable vehicle-mounted rescue device Download PDFInfo
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- CN211545784U CN211545784U CN202020026341.7U CN202020026341U CN211545784U CN 211545784 U CN211545784 U CN 211545784U CN 202020026341 U CN202020026341 U CN 202020026341U CN 211545784 U CN211545784 U CN 211545784U
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Abstract
A portable on-board rescue device comprising: the multi-layer air cylinder is arranged on the moving platform, and the moving platform can translate on the base. The multilayer cylinder can lift the automobile trapped in the soft road surface or the road ditch and then translate the automobile to the hard ground, so that the automobile trapped in the soft road surface or the road ditch is trapped, and the long-time road jam is avoided. The utility model discloses simple structure, size are little, are convenient for carry on the car.
Description
Technical Field
The utility model relates to a car driver tool technical field, concretely relates to portable on-vehicle rescue device.
Background
With the increasing of the holding capacity of rural automobiles, the traffic flow on rural roads is larger and larger, because the width of a plurality of roads in rural areas is insufficient at present, and the driving level of a novice driver is not too high, the phenomenon that wheels slide out of road shoulders and fall into a ditch often occurs, the accident generally causes little damage to the automobile, the automobile is jacked up by a jack, and then stones are padded under the wheels to open the automobile out of the ditch. The method needs to search a large amount of stones, is difficult, long in time and complex to operate, and can cause long-time road congestion.
If the special equipment is provided, the vehicle can be rescued quickly by oneself, and the long-time jam of the road can be avoided.
Through patent retrieval, with the utility model discloses there is following patent mainly to have the patent of certain relation:
1. the utility model provides an utility model patent that application number is "CN 201820257905.0", application date is "2018.02.13", publication number is "CN 207889690U", publication date is "2018.09.21", the name is "parking auxiliary device and vehicle", applicant is "marquis one", this utility model provides a parking auxiliary device and vehicle relates to the field of vehicle part. The parking auxiliary device comprises a lifting mechanism and a moving mechanism; the lifting mechanism is connected with the frame and can stretch out and draw back, so that the vehicle can be lifted up and lowered down by the lifting mechanism; the moving mechanism is connected to the lower end of the landing gear and used for contacting with the ground after the landing gear lifts the vehicle, and the landing gear lifts the vehicle and then the moving mechanism is far away from the ground. The problem of vehicle deposit the operation difficulty, easily take place to scrape and bump is solved. When the vehicle is stored, the vehicle is placed in parallel outside the garage, the vehicle is lifted up through the extension of the lifting mechanism connected with the lower end of the frame until the moving mechanism at the lower end of the lifting mechanism is contacted with the ground, the vehicle is translated to the corresponding parking space by the moving mechanism, the lifting mechanism is shortened after the vehicle is parked, the vehicle falls on the ground, the operation is simple, the time is saved, and the safety factor is high. But the utility model discloses a structure size is big, can not carry on the car, can only be used for stereoplasm ground moreover, can not be used for getting rid of poverty in the car on soft road surface.
2. The utility model discloses a utility model patent of "CN 201820361766.6", application date "2018.03.16", publication number "CN 208069628U", publication number "2018.11.09", name "small-size domestic car lateral shifting parking equipment", applicant "Fuzhou university". The utility model relates to a small-sized domestic automobile transverse movement parking device, which comprises a lifting bottom plate and crossed lifting arms, wherein the front side and the rear side of a lower side plate of the lifting bottom plate are symmetrically provided with sliding chutes A along the left-right direction, sliders are arranged in the sliding chutes A, two crossed lifting arms are respectively arranged below the two sliding chutes A, the middle parts of the two crossed lifting arms are connected through connecting rods, each crossed lifting arm comprises two connecting rods, the middle parts of the two connecting rods are hinged, the lower ends of the connecting rods are provided with translational wheels, one connecting rod in each crossed arm is hinged with the lower side surface of the lifting bottom plate, the other connecting rod is hinged with the sliders, the bottom plate is horizontally provided with a driving mechanism for driving the sliders to move along the sliding chutes at the outer ends of the sliding chutes, four corner parts on the upper side surface of the lifting, the outer end of the telescopic arm extends out of the sliding groove B, and a supporting jacking block is arranged on the upper side of the outer end of the telescopic arm and can support the automobile to move horizontally. But the utility model discloses a structure size is big, can not carry on the car, can only be used for stereoplasm ground moreover, can not be used for getting rid of poverty in the car on soft road surface.
3. The invention relates to a Chinese patent with the application number of 'CN 201811059357.1', the application date of '2018.09.12', the publication number of 'CN 109458017A', the publication number of '2019.03.12', the name of 'a hydraulic translation and micro-lifting type side position parking auxiliary device' and the application person of 'Changchun university of Industrial'. The invention consists of a dynamic and static grid assembly (1), a micro-lifting hydraulic assembly (2) and a translation hydraulic assembly (3). The movable and static grid plate component (1) comprises a movable grid plate and a static grid plate. The static grid plate is embedded on the surface of the roadbed, and the dynamic grid plate is connected with the micro-lifting hydraulic assembly; the micro-lifting hydraulic component (2) comprises an upper connecting plate, a lower connecting plate, a hydraulic cylinder and a slide rail. The upper connecting plate is connected with the movable grid plate, slide rails are arranged at the bottom and two sides of the lower connecting plate, and the hydraulic cylinder drives the upper connecting plate to complete micro-lifting motion; the translation hydraulic assembly (3) comprises a base, a hydraulic cylinder and a static track. The machine base comprises resident bolt holes at the periphery, the bottom and two sides of the machine base are provided with static rails, the sliding rails move on the static rails, and the hydraulic cylinders drive the lower connecting plate to complete translational motion. The invention has reasonable structural design, does not change the structure of the vehicle body, reduces the difficulty of parking at the side position, and does not influence the facility on the ground, greening and vehicle passing by arranging the device integrally under the ground. But the utility model discloses a structure size is big, can not carry on the car, can only be used for stereoplasm ground moreover, can not be used for getting rid of poverty in the car on soft road surface.
4. The utility model discloses a utility model patent of "CN 201520375417.6", application date "2015.06.04", publication number "CN 204661228U", publication date "2015.09.23", name "a on-vehicle jack of moving a car", applicant is "Zhangyun". The utility model discloses a vehicle-mounted jack that moves, it relates to a jack. It includes channel-section steel, motor, threaded rod, electronic round and diamond-shaped support, installs diamond-shaped support on right angle telescopic bracket and the channel-section steel, and diamond-shaped support's bottom mounting has two electronic rounds, and the threaded rod is worn to be equipped with by two diagonal ends about diamond-shaped support, and the motor fixed mounting of getting the electricity is connected with one end and cigar lighter to the threaded rod, is provided with the strengthening rib of multiplicable bearing on diamond-shaped support's the connecting rod, diamond-shaped support adopt the supporting structure of two rhombuses, adopt round pin hub connection between the connecting rod of diagonal end about diamond-shaped support, the one end of threaded rod is worn to establish round pin axle and is connected with diamond-shaped support. The utility model discloses collect lift removal function in an organic whole, can go up and down and the vehicle that moves to can save certain parking space, the flexibility is good, and the practicality is strong. But the utility model discloses the structure size is big, can only be used for stereoplasm ground, can not be used for getting rid of poverty in the car on soft road surface.
5. The utility model discloses a "practical novel patent of Jiangsu iron you De Hydraulic science and technology Limited" for "CN 201720560809.9", application date is "2017.05.18", publication number is "CN 206886586U", publication date is "2018.01.16", name is "a hydraulic translation machines", applicant. The utility model provides a hydraulic pressure translation machines, including climbing mechanism and two at least translation roof beams that can arrange in two rails in accident vehicle below, climbing mechanism is used for accident vehicle one end jack-up, and the translation roof beam is put into accident vehicle side bearing below and rail contact when with vehicle jack-up, the translation roof beam sets up with the rail is perpendicular, the interval sets up and has predetermined length between the translation roof beam, translation roof beam lower part is provided with cushion and backing plate to make the translation roof beam fill up flat, tamped, be provided with initiative translation dolly and driven translation dolly on the every translation roof beam. The utility model provides a hydraulic pressure translation machines adopts the translation hydro-cylinder to provide power, and translation distance is long, and translation speed is fast, and translation speed is controllable, saves time for the translation operation. Meanwhile, in the translation process, the translation oil cylinder is used for traction, the translation machine tool and the accident vehicle body cannot slide backwards, and the safety and the stability are high in the operation process. The translational machine tool is combined for use, and is light in weight and convenient to carry. However, the utility model is used for rail vehicle translation, and the structure size is big, can not carry on the car, can not be used for getting rid of poverty in the car on soft road surface.
6. The utility model discloses a utility model patent of application number "CN 91203223.5", application date "1991.03.09", publication number "CN 2084026U", publication number "1991.09.04", name "high-efficient light multi-functional rerailer", applicant "Beijing city hai lake district vehicle technical exchange station". The utility model discloses a by 1 or 2 jacks, the oil pump system of operation jack, with jack lower extreme swing joint's base, hold in the palm and upper and lower setting element constitutes with jack upper end swing joint's top, the rerailer of design has the support heavy operating point low, lift and translation volume are big, can be fit for at the level road, the characteristics that complicated places such as zanjon used, this rerailer both can do the rerailer operation of lifting simultaneously and translation, can lift and translation alone again. However, the utility model is used for rail vehicle translation, and the structure size is big, can not carry on the car, can not be used for getting rid of poverty in soft road surface or the ditch.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the defect that exists among the prior art, a portable on-vehicle rescue device is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does: a portable on-board rescue device comprising: the lifting device is arranged on the translation device and can translate on the base along with the translation device. So as to lift the car and translate the car to the hard floor.
Further, the translation device includes: the translation device includes: the screw rod is sleeved on the screw rod and fixed below the moving platform, and when the screw rod is driven by the screw rod rotating device to rotate, the nut is driven to move along the screw rod, so that the moving platform is dragged to move on the base along the guide rail. The guide rails can be arranged to reduce the translational resistance of the moving platform.
Further, the screw rotating device is a handle fixed at one end of the screw, and the screw can be rotated when the handle is shaken. The movable platform can be translated easily and stably by arranging the handle.
Furthermore, the guide rails are made of inverted T-shaped section steel, and the two guide rails are arranged on the base in parallel; the movable platform is characterized in that a plurality of idler wheels matched with the guide rails are arranged below the movable platform, grooves are formed in the outer peripheral surfaces of the idler wheels, the grooves can be clamped on the inverted T-shaped profile steel, the idler wheels can roll along the inverted T-shaped guide rails, and therefore the movable platform can translate on the base along the guide rails.
Furthermore, the guide rails are made of U-shaped section steel, and the two guide rails are arranged on the base in parallel; the movable platform is characterized in that a plurality of idler wheels matched with the guide rails are arranged below the movable platform, square protrusions are arranged on the outer peripheral surfaces of the idler wheels, the square protrusions can be embedded into the U-shaped profile steel, the idler wheels can roll along the U-shaped guide rails, and therefore the movable platform can translate on the base along the guide rails.
Furthermore, the guide rails are made of V-shaped section steel, and the two guide rails are arranged on the base in parallel; a plurality of rollers matched with the guide rails are arranged below the moving platform, V-shaped protrusions are arranged on the outer peripheral surfaces of the rollers and can be embedded into the V-shaped steel, the rollers can roll along the V-shaped guide rails, and therefore the moving platform can translate on the base along the guide rails.
Further, the lifting device is a fluid driving cylinder, and the fluid driving cylinder is fixed on the moving platform.
Further, the fluid-driven cylinder is a cylinder.
Further, the cylinder is a multi-layer cylinder including: the fixed cylinder is fixed on the moving platform, the first layer of movable plunger is sleeved in the fixed cylinder, the second layer of movable plunger is sleeved in the first layer of movable plunger, the third layer of movable plunger is sleeved in the second layer of movable plunger, and the first layer of movable plunger, the second layer of movable plunger and the third layer of movable plunger can sequentially stretch out and draw back like a telescopic rod antenna. To increase the lift height.
Furthermore, the lifting device is a scissor jack, and the scissor jack is fixed on the mobile platform. The scissor jack has small height, large lifting height and simple structure.
The utility model has the advantages that: the automobile trapped in the soft pavement or the road ditch can be conveniently and quickly lifted and translated to the hard ground, so that the automobile is trapped and is prevented from being jammed for a long time. The utility model discloses simple structure, size are little, are convenient for carry on the car.
Drawings
Fig. 1 is a schematic perspective view of the present embodiment 1;
in the figure: the device comprises a base 1, a handle 2, a guide rail 3, a screw rod 4, a roller 5, a moving platform 6, a fixed cylinder 7, a movable plunger 8, a movable plunger 9, a movable plunger 10, a movable plunger 11 and an air nozzle.
Detailed Description
The invention will be further described by means of specific embodiments and with reference to the accompanying drawings:
fig. 1 is a schematic perspective view of the present embodiment 1, which includes: the device comprises a base 1 and a lifting device, wherein a translation device is arranged on the base 1, the lifting device is arranged on the translation device, and the lifting device can translate on the base 1 along with the translation device. So as to lift the car and translate the car to the hard floor.
The translation device includes: the translation device includes: moving platform 6, guide rail 3, screw rod 4, nut 12 and screw rod rotating device, guide rail 3 sets up on base 1, screw rod 4 and guide rail 3 parallel arrangement, rotationally connect on base 1, nut 12 cover is on screw rod 4, fix in moving platform 6 below, when screw rod rotating device drive screw rod 4 rotates, will drive nut 12 and remove along screw rod 4 to drag moving platform 6 along guide rail 3 translation on base 1. The provision of the guide rail 3 can reduce the translational resistance of the moving platform 6.
The screw rod rotating device is a motor, a hand wheel or a handle, the screw rod rotating device is a handle 2 fixed at one end of the screw rod 4 in the embodiment, and the screw rod 4 can be rotated when the handle 2 is shaken. The handle 2 is arranged to enable the mobile platform 6 to be translated easily and smoothly.
The guide rails 3 are made of inverted T-shaped section steel, U-shaped section steel or V-shaped section steel, the guide rails 3 in the embodiment are made of inverted T-shaped section steel, and the two guide rails 3 are arranged on the base 1 in parallel; a plurality of rollers 5 matched with the guide rails 3 are arranged below the moving platform 6, grooves are formed in the peripheral surfaces of the rollers 5, the grooves can be clamped on the inverted T-shaped section steel, the rollers 5 can roll along the inverted T-shaped guide rails 3, and therefore the moving platform 6 can move horizontally on the base 1 along the guide rails 3.
The lifting device is a fluid driving cylinder or a scissor jack, the fluid driving cylinder is a hydraulic cylinder or an air cylinder, the lifting device in the embodiment is an air cylinder, and the air cylinder is fixed on the moving platform 6.
The cylinder is a multi-layer cylinder, including: fixed cylinder 7, first layer activity plunger 8, second floor activity plunger 9 and third layer activity plunger 10, fixed cylinder 7 is fixed at moving platform 6, first layer activity plunger 8 cup joints in fixed cylinder 7, second floor activity plunger 9 cup joints in first layer activity plunger 8, third layer activity plunger 10 cup joints in second layer activity plunger 9, first layer activity plunger 8, second floor activity plunger 9 and third layer activity plunger 10 can stretch out and draw back like the telescopic rod antenna in proper order. To increase the lift height.
The rescue device of embodiment 1 has the maximum overall dimension of 450x200x160mm, the base 1 is formed by welding two baffles and two channel steels, two guide rails 3 are mounted on the upper surface of the channel steels, four rollers 5 are mounted on the lower surface of the moving platform 6, the upper surface of the moving platform is welded with the fixed cylinder 7, the fixed cylinder 7 is internally provided with the first layer movable plunger 8, the second layer movable plunger 9 and the third layer movable plunger 10 which respectively can move relative to each other by 60mm and can extend upwards by 240mm in total.
When the automobile sinks into a soft road surface or a road ditch, the portable vehicle-mounted rescue device carried along with the automobile is taken out, and the mobile platform 6 is enabled to be translated to one end of the base 1. Portable vehicle-mounted rescue device
The guide rail 3 is placed under the middle position of a bumper at one end of a wheel of the automobile sunk into the soft road surface or the road ditch, the direction of the guide rail 3 is the same as the direction of the translation of the automobile, and the moving platform 6 is close to one side of the wheel sunk into the soft road surface or the road ditch.
A manual inflator, a pedal inflator or a vehicle-mounted inflator pump is connected with the air faucet 11, the inflator or the vehicle-mounted inflator pump is used for inflating the air faucet 11, and the first layer of movable plunger 8, the second layer of movable plunger 9 and the third layer of movable plunger 10 can be driven to move upwards in sequence, so that a car within 3 tons can be jacked.
Then the handle 2 is shaken to drive the screw rod 4 to rotate and drive the nut 12 to move along the screw rod 4, so that the automobile can translate by 300mm at one time.
If the automobile wheels can not be placed on the hard ground after translation, the inflator or the vehicle-mounted inflator is separately connected with the air tap 11, compressed air in the air cylinder is discharged through the air tap 11, and the first layer movable plunger 8, the second layer movable plunger 9 and the third layer movable plunger 10 are pressed back by the weight of the automobile. Then the handle 2 is shaken to enable the moving platform 6 to move horizontally to one side close to the wheel sunk into the soft road surface or the road ditch; or the direction of the portable vehicle-mounted rescue device is turned, so that the mobile platform 6 is horizontally moved to one side close to the wheels sunk into the soft road surface or the road ditch.
Then the above steps are repeated: the air tap 11 is connected, the air cylinder is inflated to jack the automobile, the handle 2 is shaken to enable the automobile to move horizontally, and finally the automobile wheels are moved out of a soft road surface or a road ditch and placed on a hard ground to get rid of difficulties.
The two portable vehicle-mounted rescue devices can be respectively placed under the vehicle beams sunk into two sides of one end of the soft road surface or the road ditch, the wheels sunk into two sides of one end of the soft road surface or the road ditch are lifted by adopting the method, and the handles 2 of the two portable vehicle-mounted rescue devices are shaken to enable the wheels sunk into two sides of one end of the soft road surface or the road ditch to simultaneously translate and place on the hard ground for getting rid of the trouble.
The portable vehicle-mounted rescue device can be used for releasing vehicles easily. The device can also replace a simple vehicle-mounted screw jack.
Example 2, like example 1, comprises: the device comprises a base 1 and a lifting device, wherein a translation device is arranged on the base 1, the lifting device is arranged on the translation device, and the lifting device can translate on the base 1 along with the translation device. The difference is that: the lifting device in embodiment 1 is a multi-layer cylinder, and the lifting device in embodiment 2 is a scissor jack fixed on the movable platform 6. The scissor jack is also called a support jack, is convenient and quick to use, and is a vehicle-mounted product in various domestic automobile factories. The device consists of an upper supporting rod and a lower supporting rod which are made of metal plates, and the working principles are different. The cross section of the upper supporting rod and the cross section of the lower supporting rod at the tooth part and the part near the tooth part are rectangular with one side opened, and metal plates at two sides of the opening are bent inwards. The teeth on the upper support rod and the lower support rod are made of metal plates with bent openings at two sides, and the tooth width is larger than the thickness of the metal plates. The scissor jack has small height, large lifting height and simple structure.
To sum up, the beneficial effects of the utility model are that: the automobile trapped in the soft pavement or the road ditch can be conveniently and quickly lifted and translated to the hard ground, so that the automobile is trapped and is prevented from being jammed for a long time. The utility model discloses simple structure, size are little, are convenient for carry on the car.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions should also belong to the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (10)
1. A portable on-board rescue device comprising: base (1) and elevating gear, its characterized in that: the base (1) is provided with a translation device, the lifting device is arranged on the translation device, and the lifting device can translate on the base (1) along with the translation device.
2. The vehicle-mounted rescue apparatus according to claim 1, characterized in that: the translation device includes: moving platform (6), guide rail (3), screw rod (4), nut (12) and screw rod rotating device, guide rail (3) set up on base (1), screw rod (4) and guide rail (3) parallel arrangement, rotationally connect on base (1), nut (12) cover is on screw rod (4), fixed in moving platform (6) below, when screw rod rotating device drive screw rod (4) rotated, will drive nut (12) and remove along screw rod (4) to drag moving platform (6) along guide rail (3) translation on base (1).
3. The vehicle-mounted rescue apparatus according to claim 2, characterized in that: the screw rotating device is a handle (2) fixed at one end of the screw (4), and the screw (4) can be rotated when the handle (2) is shaken.
4. On-vehicle rescue apparatus according to claim 3, characterized in that: the guide rails (3) are made of inverted T-shaped section steel, and the two guide rails (3) are arranged on the base (1) in parallel; be provided with a plurality of gyro wheels (5) that match with guide rail (3) below moving platform (6), gyro wheel (5) outer peripheral face is provided with the recess, the recess can block on the shape of falling T shaped steel, makes gyro wheel (5) can roll along the guide rail (3) of shape of falling T to make moving platform (6) follow guide rail (3) and go up the translation on base (1).
5. On-vehicle rescue apparatus according to claim 3, characterized in that: the guide rails (3) are U-shaped steel sections, and the two guide rails (3) are arranged on the base (1) in parallel; be provided with a plurality of gyro wheels (5) that match with guide rail (3) below moving platform (6), gyro wheel (5) outer peripheral face is provided with square bulge, square bulge can imbed in the U-shaped steel, makes gyro wheel (5) can roll along guide rail (3) of U-shaped to make moving platform (6) follow guide rail (3) and go up the translation on base (1).
6. On-vehicle rescue apparatus according to claim 3, characterized in that: the guide rails (3) are made of V-shaped section steel, and the two guide rails (3) are arranged on the base (1) in parallel; a plurality of rollers (5) matched with the guide rails (3) are arranged below the moving platform (6), V-shaped protrusions are arranged on the outer peripheral surfaces of the rollers (5), and can be embedded into the V-shaped steel, so that the rollers (5) can roll along the V-shaped guide rails (3), and the moving platform (6) can move horizontally on the base (1) along the guide rails (3).
7. The vehicle-mounted rescue apparatus according to any one of claims 2 to 6, characterized in that: the lifting device is a fluid driving cylinder which is fixed on the movable platform (6).
8. The vehicle-mounted rescue apparatus according to claim 7, characterized in that: the fluid driving cylinder is a cylinder.
9. The vehicle-mounted rescue apparatus according to claim 8, characterized in that: the cylinder is a multi-layer cylinder, including: fixed cylinder (7), first layer activity plunger (8), second floor activity plunger (9) and third layer activity plunger (10), fixed cylinder (7) are fixed in moving platform (6), first layer activity plunger (8) cup joint in fixed cylinder (7), second floor activity plunger (9) cup joint in first layer activity plunger (8), third layer activity plunger (10) cup joint in second layer activity plunger (9), first layer activity plunger (8), second floor activity plunger (9) and third layer activity plunger (10) can stretch out and draw back like the telescopic antenna in proper order.
10. The vehicle-mounted rescue apparatus according to any one of claims 2 to 6, characterized in that: the lifting device is a scissor jack which is fixed on the movable platform (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020026341.7U CN211545784U (en) | 2020-01-07 | 2020-01-07 | Portable vehicle-mounted rescue device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020026341.7U CN211545784U (en) | 2020-01-07 | 2020-01-07 | Portable vehicle-mounted rescue device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211545784U true CN211545784U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020026341.7U Expired - Fee Related CN211545784U (en) | 2020-01-07 | 2020-01-07 | Portable vehicle-mounted rescue device |
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| Country | Link |
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| CN (1) | CN211545784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678732A (en) * | 2020-12-22 | 2021-04-20 | 陆睿祺 | Hydraulic equipment for earthquake rescue |
-
2020
- 2020-01-07 CN CN202020026341.7U patent/CN211545784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678732A (en) * | 2020-12-22 | 2021-04-20 | 陆睿祺 | Hydraulic equipment for earthquake rescue |
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Granted publication date: 20200922 Termination date: 20220107 |