CN112456342A - Portable traffic rescue is with hoisting accessory - Google Patents
Portable traffic rescue is with hoisting accessory Download PDFInfo
- Publication number
- CN112456342A CN112456342A CN202011444714.3A CN202011444714A CN112456342A CN 112456342 A CN112456342 A CN 112456342A CN 202011444714 A CN202011444714 A CN 202011444714A CN 112456342 A CN112456342 A CN 112456342A
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- China
- Prior art keywords
- fixed
- frame
- mechanisms
- bearing plate
- column
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/166—Simple cranes with jibs which may be fixed or can slew or luff
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/30—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/706—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by other means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Abstract
The invention discloses a movable lifting device for traffic rescue, which relates to the technical field of traffic rescue and comprises a bearing plate, wherein a support frame is fixed at the top of the bearing plate, a bracket is fixed at the bottom of the bearing plate, an adjusting motor is fixed in the support frame, a vertical pushing mechanism is connected on the adjusting motor in a driving manner, and a pair of extension mechanisms is connected on the vertical pushing mechanism in a transmission manner; according to the invention, the extending mechanisms are supported and pushed by the arranged vertical supporting and pushing mechanisms, the two extending mechanisms drive the extending columns to extend outwards, the support range of the support base of the device formed by the extending columns and the bearing plate is expanded, the stability of the device during lifting is effectively ensured, the arranged suspension mechanisms play a role in suspension, the arranged telescopic mechanisms realize the transverse movement of the suspension mechanisms, the arranged height adjusting mechanisms perform height lifting on the suspension mechanisms for suspension operation, and the operation flexibility and stability in the suspension process are remarkably improved compared with those in the prior art.
Description
Technical Field
The invention relates to the technical field of traffic rescue, in particular to a movable lifting device for traffic rescue.
Background
The road rescue refers to the emergency rescue of the automobile road, and provides services such as on-site minor repair and the like for the owner of the fault automobile; meanwhile, the device also refers to traffic accident road rescue, including wounded person rescue, road dispersion and the like. Road rescue services have matured very early abroad. The method forms a relatively perfect emergency rescue system in the aspects of road traffic accident emergency rescue regulation construction, mechanism setting, rescue team, emergency scheme decision, support guarantee system and the like, and plays an important role in reducing casualties and property loss of traffic accidents.
Current hoisting apparatus, the device includes: the lifting device comprises a support frame, and a lifting lug unit and a lifting unit which are arranged on the support frame; the lifting lug unit is provided with a pulley and is connected with the lifting unit through a sling spanning the pulley; the lifting unit is provided with a handle, and under the action of the handle, the sling is driven to rotate around the pulley in a gear transmission mode so as to lift or drop a lifted object; at present, in the working process of the lifting device for traffic rescue, the bottom of the lifting device is stable and fixed relatively low, and high stability cannot be ensured during lifting, so that the technical problem is solved by providing a movable lifting device for traffic rescue.
Disclosure of Invention
The invention aims to provide a movable lifting device for traffic rescue to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a portable hoisting accessory for traffic rescue, includes the loading board, and the loading board top is fixed with the support frame, and the loading board bottom is fixed with the bracket, the support frame internal fixation has adjusting motor, and the last drive of adjusting motor is connected with vertical pushing mechanism, the transmission is connected with a pair of extension mechanism on the vertical pushing mechanism, the vertical stand that is fixed with in support frame top, vertical slidable mounting has the crane on the stand, be equipped with the height control mechanism who is used for driving its vertical lift on the crane, the servo motor is fixed to the crane lateral wall, and the last drive of servo motor is connected with horizontal flexible telescopic machanism, telescopic machanism right-hand member is installed and is suspended in.
As a modified scheme of the invention: the vertical pushing mechanism comprises a circular table column which vertically slides to penetrate through the bearing plate, a threaded column penetrates through the circular table column in a threaded connection mode, and the upper end and the lower end of the threaded column are respectively installed on the support frame and the bracket in a bearing connection mode.
As a modified scheme of the invention: an adjusting motor is fixed at the bottom of the support frame, a bevel gear II is connected to the adjusting motor in a driving mode, and a bevel gear I which is fixed on the threaded column in a sleeved mode is connected to the bevel gear II in a driving mode.
As a modified scheme of the invention: the guide rod is transversely fixed in the bracket, the guide rod is sleeved with the guide sleeve in a sliding mode, a spring ring is fixed between the guide sleeve and the bracket, and a support rod is hinged between the guide sleeve and the round platform column.
As a modified scheme of the invention: extension mechanism is including the extension post that slides and runs through the loading board, extends the post and goes up the bottom and rotate and install the walking wheel, extend the vertical fixed plate that is fixed with on the post, be fixed with horizontal spring between fixed plate and the loading board, the guide slot has been seted up along its generating line direction to the round platform post lateral wall, and the butt has the rotation to install the wheel of supporting on the loading board in the guide slot.
As a modified scheme of the invention: the height adjusting mechanism comprises a driving motor fixed on the lifting frame, a worm is connected to the driving motor in a driving mode, a worm wheel is connected to the worm in a meshed mode, a transmission gear is coaxially fixed to the worm wheel, and a rack vertically fixed to the side wall of the stand column is connected to the transmission gear in a meshed mode.
As a modified scheme of the invention: the telescopic mechanism comprises a telescopic frame formed by cross-hinged connection of a plurality of metal rods and two coaxially fixed threaded columns driven by a servo motor and with opposite thread turning directions, threaded sleeve blocks are sleeved on the threaded columns in a threaded manner, and two left ends of the telescopic frame are respectively hinged to the two threaded sleeve blocks.
As a modified scheme of the invention: the suspension mechanism comprises a connecting frame, a vertical guide rod is vertically fixed on the connecting frame, two sliding blocks hinged with the two right ends of the telescopic frame are sleeved on the vertical guide rod in a sliding mode, and a connecting spring is fixed between each sliding block and the connecting frame.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the extending mechanisms are supported and pushed by the arranged vertical supporting and pushing mechanisms, the two extending mechanisms drive the extending columns to extend outwards, the support range of the support base of the device formed by the extending columns and the bearing plate is expanded, the stability of the device during lifting is effectively ensured, the arranged suspension mechanisms play a role in suspension, the arranged telescopic mechanisms realize the transverse movement of the suspension mechanisms, the arranged height adjusting mechanisms perform height lifting on the suspension mechanisms for suspension operation, and the operation flexibility and stability in the suspension process are remarkably improved compared with those in the prior art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic partial top view of the present invention;
in the figure: 1-bearing plate, 2-threaded column, 3-bevel gear I, 4-bevel gear II, 5-adjusting motor, 6-support frame, 7-traveling wheel, 8-round table column, 9-extension column, 10-hook, 11-connecting frame, 12-vertical guide rod, 13-slide block, 14-fixing plate, 15-connecting spring, 16-telescopic frame, 17-threaded sleeve block, 18-threaded column, 19-servo motor, 20-upright column, 21-rack, 22-lifting frame, 23-transverse spring, 24-driving motor, 25-transmission gear, 26-worm gear, 27-pushing wheel, 28-guide groove, 29-supporting rod, 30-guide rod, 31-guide sleeve, 32-spring ring, etc, 33-bracket, 34-worm.
Detailed Description
The technical scheme of the patent is further described in detail by combining the following specific embodiments:
example 1
Referring to fig. 1-4, a movable lifting device for traffic rescue comprises a bearing plate 1, a supporting frame 6 is fixed on the top of the bearing plate 1, a bracket 33 is fixed on the bottom of the bearing plate 1, an adjusting motor 5 is fixed in the supporting frame 6, a vertical pushing mechanism is connected on the adjusting motor 5 in a driving manner, a pair of extension mechanisms is connected on the vertical pushing mechanism in a driving manner, a stand column 20 is vertically fixed on the top of the supporting frame 6, a lifting frame 22 is vertically and slidably mounted on the stand column 20, a height adjusting mechanism for driving the lifting frame to vertically lift is arranged on the lifting frame 22, a servo motor 19 is fixed on the side wall of the lifting frame 22, a transversely telescopic mechanism is connected on the servo motor 19 in a driving manner, and a suspension.
The vertical pushing mechanism of the device comprises a circular table column 8 which vertically slides to penetrate through the bearing plate 1, a threaded column 2 is arranged in the circular table column 8 in a penetrating mode in a threaded connection mode, and the upper end and the lower end of the threaded column 2 are respectively installed on the support frame 6 and the bracket 33 in a bearing connection mode. An adjusting motor 5 is fixed at the bottom of the support frame 6, a bevel gear II4 is connected to the adjusting motor 5 in a driving manner, and a bevel gear I3 sleeved and fixed on the threaded column 2 is connected to the bevel gear II4 in a driving manner.
A guide rod 30 is transversely fixed in the bracket 33, a guide sleeve 31 is sleeved on the guide rod 30 in a sliding mode, a spring ring 32 is fixed between the guide sleeve 31 and the bracket 33, and a support rod 29 is hinged between the guide sleeve 31 and the circular truncated cone column 8.
The bevel gear II4 can be driven to rotate through the adjusting motor 5, the bevel gear II4 drives the bevel gear I3 connected with the bevel gear II in a meshed mode to rotate, the bevel gear I3 drives the threaded column 2 to rotate, the threaded column 2 drives the circular table column 8 to adjust the vertical height, during the process, when the circular table column 8 goes up and down, the circular table column 8 drives the guide sleeve 31 to move transversely along the guide rod 30 under the elastic force of the spring ring 32 through the support rod 29, and the elastic supporting and guiding effects on the vertical lifting of the circular table column 8 are achieved.
The extension mechanism of this device is including the extension post 9 that slides and run through loading board 1, and extension post 9 goes up the bottom and rotates and install walking wheel 7, extend the vertical fixed plate 14 that is fixed with on the post 9, be fixed with horizontal spring 23 between fixed plate 14 and the loading board 1, guide slot 28 has been seted up along its generating line direction to the 8 lateral walls of round platform post, and the butt has the rotation to install the wheel 27 that supports on loading board 1 in the guide slot 28.
In the vertical lifting adjustment process of the circular truncated cone column 8, the circular truncated cone column 8 is in transmission fit with the supporting wheel 27 through the guide groove 28, the extending column 9 achieves transverse sliding adjustment under the elastic limiting effect of the transverse spring 23, and the walking wheel 7 at the bottom of the extending column 9 is in contact with the ground to achieve the sliding guiding effect. When lifting, adjust the vertical downward shift of round platform post 8, realize extending the outside extension of post 9, realize extending the extension of the support range of this device's support base that post 9 and loading board 1 constitute, effectively guaranteed the stability of device when lifting by crane.
Example 2
On the basis of the embodiment 1, in addition, the height adjusting mechanism of the device comprises a driving motor 24 fixed on the lifting frame 22, a worm 34 is connected on the driving motor 24 in a driving mode, a worm wheel 26 is connected on the worm 34 in a meshing mode, a transmission gear 25 is coaxially fixed on the worm wheel 26, and a rack 21 vertically fixed on the side wall of the upright post 20 is connected on the transmission gear 25 in a meshing mode.
The worm 34 is driven to rotate by the arranged driving motor 24, the worm 34 drives the worm wheel 26 meshed with the worm to rotate, the worm wheel 26 drives the transmission gear 25 to rotate, the transmission gear 25 drives the rack 21 to drive the lifting frame 22 to vertically lift, and the telescopic mechanism and the lifting mechanism achieve the height adjusting effect at the moment, so that the lifting operation of traffic rescue is achieved.
Specifically, the telescopic mechanism of the device comprises a telescopic frame 16 formed by cross-hinged connection of a plurality of metal rods and two coaxially fixed threaded columns 18 driven by a servo motor 19 and with opposite thread turning directions, wherein thread sleeve blocks 17 are sleeved on the threaded columns 18 in a threaded manner, and two left ends of the telescopic frame 16 are respectively hinged to the two threaded sleeve blocks 17. The suspension mechanism comprises a connecting frame 11, a vertical guide rod 12 is vertically fixed on the connecting frame 11, two sliding blocks 13 hinged with the right ends of an expansion frame 16 are sleeved on the vertical guide rod 12 in a sliding mode, and a connecting spring 15 is fixed between each sliding block 13 and the connecting frame 11.
It is rotatory through starting servo motor 19 drive screw post 18, two screw cover blocks 17 on the screw post 18 drive are in opposite directions or back-to-back motion, it realizes freely flexible to realize that screw cover block 17 drives expansion bracket 16, the couple 10 that is used for hooking the trouble car that will lift by crane this moment can carry out nimble regulation according to the initial transverse position who lifts by crane, the action of lifting by crane to the trouble car is realized to the high adjustment mechanism through setting up, and the connecting spring 15 elastic deformation who sets up plays fine elasticity shock attenuation effect, the shock attenuation effect of the process of lifting by crane has effectively been promoted, the stationarity is showing and is promoting.
In summary, the extension mechanisms are pushed by the vertical pushing mechanisms, the two extension mechanisms drive the extension columns 9 to extend outwards, the support range of the support base of the device formed by the extension columns 9 and the bearing plate 1 is expanded, the stability of the device during lifting is effectively guaranteed, the suspension mechanisms play a role in suspension, the extension mechanisms realize transverse movement of the suspension mechanisms, the height adjusting mechanisms perform height lifting on the suspension mechanisms to perform suspension operation, and the operation flexibility and stability of the suspension process are remarkably improved compared with those of the prior art.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.
Claims (8)
1. A movable lifting device for traffic rescue comprises a bearing plate (1), a support frame (6) is fixed at the top of the bearing plate (1), a bracket (33) is fixed at the bottom of the bearing plate (1), it is characterized in that an adjusting motor (5) is fixed in the supporting frame (6), a vertical pushing mechanism is connected on the adjusting motor (5) in a driving way, the vertical pushing mechanism is connected with a pair of extension mechanisms in a transmission way, the top of the supporting frame (6) is vertically fixed with an upright post (20), the upright post (20) is vertically and slidably provided with a lifting frame (22), the lifting frame (22) is provided with a height adjusting mechanism for driving the lifting frame to vertically lift, servo motor (19) is fixed to crane (22) lateral wall, and the last drive of servo motor (19) is connected with the telescopic machanism of horizontal flexible, the telescopic machanism right-hand member is installed and is suspended in midair the mechanism.
2. The mobile lifting device for traffic rescue according to claim 1, wherein the vertical pushing mechanism comprises a circular table column (8) vertically sliding through the bearing plate (1), a threaded column (2) is arranged in the circular table column (8) in a threaded connection manner, and the upper end and the lower end of the threaded column (2) are respectively mounted on the support frame (6) and the bracket (33) in a bearing connection manner.
3. The mobile lifting device for traffic rescue according to claim 2, wherein the bottom of the support frame (6) is fixed with an adjusting motor (5), the adjusting motor (5) is connected with a bevel gear II (4) in a driving manner, and the bevel gear II (4) is connected with a bevel gear I (3) sleeved and fixed on the threaded column (2) in a driving manner.
4. The mobile lifting device for traffic rescue according to claim 2, characterized in that a guide rod (30) is transversely fixed in the bracket (33), a guide sleeve (31) is slidably sleeved on the guide rod (30), a spring ring (32) is fixed between the guide sleeve (31) and the bracket (33), and a support rod (29) is hinged between the guide sleeve (31) and the circular truncated cone column (8).
5. The mobile lifting device for traffic rescue of claim 1, wherein the extension mechanism comprises an extension column (9) which slidably penetrates through the bearing plate (1), a traveling wheel (7) is rotatably mounted at the upper bottom of the extension column (9), a fixing plate (14) is vertically fixed on the extension column (9), a transverse spring (23) is fixed between the fixing plate (14) and the bearing plate (1), a guide groove (28) is formed in the side wall of the circular table column (8) along the generatrix direction of the circular table column, and a supporting wheel (27) rotatably mounted on the bearing plate (1) is abutted in the guide groove (28).
6. The mobile lifting device for traffic rescue of claim 1, wherein the height adjusting mechanism comprises a driving motor (24) fixed on the lifting frame (22), a worm (34) is connected to the driving motor (24) in a driving manner, a worm wheel (26) is connected to the worm (34) in a meshing manner, a transmission gear (25) is coaxially fixed on the worm wheel (26), and a rack (21) vertically fixed on the side wall of the upright post (20) is connected to the transmission gear (25) in a meshing manner.
7. The mobile lifting device for traffic rescue according to claim 1, wherein the telescopic mechanism comprises a telescopic frame (16) formed by cross-hinged connection of a plurality of metal rods and two coaxially fixed threaded columns (18) driven by a servo motor (19) and having opposite thread directions, a threaded sleeve block (17) is sleeved on the threaded columns (18), and two left ends of the telescopic frame (16) are respectively hinged on the two threaded sleeve blocks (17).
8. The mobile lifting device for traffic rescue according to claim 7, wherein the lifting mechanism comprises a connecting frame (11), a vertical guide rod (12) is vertically fixed on the connecting frame (11), two sliders (13) hinged to two right ends of the telescopic frame (16) are slidably sleeved on the vertical guide rod (12), and a connecting spring (15) is fixed between the sliders (13) and the connecting frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011444714.3A CN112456342A (en) | 2020-12-08 | 2020-12-08 | Portable traffic rescue is with hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011444714.3A CN112456342A (en) | 2020-12-08 | 2020-12-08 | Portable traffic rescue is with hoisting accessory |
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| Publication Number | Publication Date |
|---|---|
| CN112456342A true CN112456342A (en) | 2021-03-09 |
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ID=74800908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011444714.3A Pending CN112456342A (en) | 2020-12-08 | 2020-12-08 | Portable traffic rescue is with hoisting accessory |
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| CN (1) | CN112456342A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015009568A (en) * | 2013-06-26 | 2015-01-19 | 日本発條株式会社 | Air suspension type seat support device for vehicle |
| CN110243634A (en) * | 2019-06-20 | 2019-09-17 | 皖西学院 | A kind of Aquatic Ecotoxicology analytical sampling device |
| CN110447453A (en) * | 2019-09-04 | 2019-11-15 | 段宝君 | A kind of transplanting tree support erection device |
| CN111392608A (en) * | 2020-03-25 | 2020-07-10 | 徐州国联建机有限公司 | Tower crane with function of adjusting lifting contact area |
| CN111658390A (en) * | 2020-07-20 | 2020-09-15 | 河南应用技术职业学院 | Surgery is with multi-functional nursing car of changing dressings |
-
2020
- 2020-12-08 CN CN202011444714.3A patent/CN112456342A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015009568A (en) * | 2013-06-26 | 2015-01-19 | 日本発條株式会社 | Air suspension type seat support device for vehicle |
| CN110243634A (en) * | 2019-06-20 | 2019-09-17 | 皖西学院 | A kind of Aquatic Ecotoxicology analytical sampling device |
| CN110447453A (en) * | 2019-09-04 | 2019-11-15 | 段宝君 | A kind of transplanting tree support erection device |
| CN111392608A (en) * | 2020-03-25 | 2020-07-10 | 徐州国联建机有限公司 | Tower crane with function of adjusting lifting contact area |
| CN111658390A (en) * | 2020-07-20 | 2020-09-15 | 河南应用技术职业学院 | Surgery is with multi-functional nursing car of changing dressings |
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