CN105947921A - Hand-cranking triple folding stretching bridge type rescue device - Google Patents
Hand-cranking triple folding stretching bridge type rescue device Download PDFInfo
- Publication number
- CN105947921A CN105947921A CN201610364460.1A CN201610364460A CN105947921A CN 105947921 A CN105947921 A CN 105947921A CN 201610364460 A CN201610364460 A CN 201610364460A CN 105947921 A CN105947921 A CN 105947921A
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- Prior art keywords
- expansion plate
- tooth form
- hand
- platform
- trocar sheath
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/245—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated comprising toggle levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/22—Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms
Abstract
The invention discloses a hand-cranking triple folding stretching bridge type rescue device, and particularly relates to an emergency rescue device which has three foldable platforms arranged at the top end of a hand-cranking jack with a telescopic rod, is used for automobile rescue, can bear load, and achieves rapid supporting. The device is characterized in that the telescopic rod is arranged between the platforms and the hydraulic jack; and three groups of tooth-shaped bulges are arranged inside an outer sleeve body of the telescopic rod. According to the device, self rescue can be achieved through independent operation, manpower, financial resources and time are greatly saved, a wheel of a vehicle is supported through the three foldable platforms on the jack, expansion plates further comprise stretchable and retractable back expansion plates, self rescue is achieved through adjusting the longitudinal and horizontal directions of the three foldable platforms, the vehicle can horizontally and longitudinally move through the three foldable platforms, the operation is safe and effort-saving, the purpose of convenient operation is achieved, and the practicability is high.
Description
Technical field
The present invention relates to a kind of hand three foldings stretching bridge-type rescue aids, have particularly to the top of a kind of hand-rail type jack having expansion link three sections of foldable platforms automobile rescue can the emergency and rescue equipment quickly supported of load-bearing.
Background technology
In vehicle driving process, can run into one of them wheel or two of which wheel falls into the accident of ditch, bank, the accident on road surface used by even wheel, owing to bottom road surface He Gou, bank, drop, more than jack height, is difficult to sue and labour in this situation.
The most in the wild, the situation of the independent self-driving of driver, in the situation not having other people to help, there is above-mentioned accident, driver is more difficult to save oneself.
Currently for above-mentioned accident, generally use below wheel pinner block, sandy soil, plank or promote with manpower the modes such as vehicle to rescue, in rescue operations, owing to lacking aid, inconvenience of gathering materials on the spot, the most time-consuming, there is the uncompacted situation of wheel under-filler, during automobile self-rescue, safety guarantee difficulty, does not often reach the effect of anticipation, can complete, with field handled by itself, the emergency and rescue equipment that vehicle is saved oneself currently without one.
Summary of the invention
The goal of the invention of the present invention is: for overcoming prior art without there being the emergency and rescue equipment quickly supported of a kind of energy load-bearing, it is an object of the invention to provide the three sections of foldable platforms rescue aids quickly supported of a kind of hand-rail type, this equipment can realize oneself's rescue by independent operation, it is greatly saved manpower, financial resources and time, this equipment supports the wheel of vehicle by three sections of foldable platforms on jack, expansion plate also includes the expansion plate of the back segment that can stretch or shrink, the direction in length and breadth adjusting three sections of foldable platforms completes oneself's rescue, vehicle can be with longitudinal translation and transverse translation by three sections of foldable platforms, realize operation safety, laborsaving, reach purpose convenient to operate, practicality is big.
The present invention is achieved through the following technical solutions: a kind of three hand folding stretching bridge-type rescue aids, including scissors hand-operated jack, platform, left expansion plate, right expansion plate, base plate,
The bottom in the support on scissors hand-operated jack top and the stage casing of platform connects；
Can horizontally rotate between described scissors hand-operated jack and platform；
Below described scissors hand-operated jack J, connection has base plate D；
The area of described base plate is more than the projected area of platform；
Described scissors hand-operated jack J also includes the adjusting screw rod in the middle part of it and the handle matched with adjusting screw rod；
There is left expansion plate in the left side of described platform, with chain connection between platform and left expansion plate；
There is right expansion plate on the right side of described platform, with chain connection between platform and right expansion plate；
Described left expansion plate also includes left back section of expansion plate, uses card slot type to be flexibly connected between left expansion plate and left back section of expansion plate；
Can stretch or shrink between described left expansion plate and left back section of expansion plate；
Described right expansion plate also includes right back segment expansion plate, uses card slot type to be flexibly connected between right expansion plate and right back segment expansion plate；
Can stretch or shrink between described right expansion plate and right back segment expansion plate.
A kind of three hand folding stretching bridge-type rescue aids more preferably, also include the expansion link between platform and hydraulic jack；
The bottom of expansion link is connected with the support on hydraulic jack top；
Described expansion link includes trocar sheath body, inner sleeve body；
The stage casing of platform is connected with the top horizontal of expansion link；
Can horizontally rotate between described platform and the top of expansion link；
Scissors hand-operated jack is had below described trocar sheath body.
A kind of three hand folding stretching bridge-type rescue aids more preferably,
Described trocar sheath body interior is provided with inner sleeve body；
Described trocar sheath is the most internal trocar sheath cavity；
Described trocar sheath inside cavity has internal tooth form to protrude；
Described internal tooth form protrudes " internal tooth " of more than two sections inner circle arcs of the inner horizontal direction setting including trocar sheath cavity；
The most parallel external tooth form that is distributed of the outside entire body of described inner sleeve body is protruded；
Described external tooth form protrudes " external tooth " including more than horizontally arranged two section of inner sleeve body exterior cylindrical arc；
The internal tooth form of described trocar sheath body is protruded the profile of tooth of the external tooth form protrusion with inner sleeve body and is cooperated.
A kind of three hand folding stretching bridge-type rescue aids more preferably, the epimere of described trocar sheath inside cavity has the internal tooth form of uniform parallel distribution to protrude, the bottom that internal tooth form is protruded is hollow straight tube, or the described the most parallel internal tooth form that is distributed of trocar sheath inside cavity entire body is protruded.
A kind of three hand folding stretching bridge-type rescue aids more preferably,
There is locating slot at the middle part of described " external tooth "；
Described trocar sheath body also includes safe catching lock, and safe catching lock is arranged on the side of the epimere of trocar sheath body；
Described safe catching lock also includes positioning thimble, elastomer, and the elastomer of the inside of safe catching lock is by inside for thimble bullet, and internal tooth form is protruded and external tooth form protrusion rotates when overlapping, and thimble snaps in locating slot.
A kind of three hand folding stretching bridge-type rescue aids more preferably,
Described internal tooth form protrudes two sections " internal tooths " less than the circular arc of 1/4 inner circle arc length including that the inner horizontal direction of trocar sheath cavity is oppositely arranged
Described external tooth form protrudes the both sides including inner sleeve body exterior, two sections " external tooths " less than 1/4 cylindrical arc length that horizontal direction is oppositely arranged；
The two ends of the circular arc of the tooth that described internal tooth form is protruded and the angle a in the center of circle are less than 90 °, and the angle b between tooth and the center of circle that two adjacent internal tooth form are protruded is more than 90 °；
The two ends of the circular arc of the tooth that described external tooth form is protruded and the angle d in the center of circle are less than 90 °, and the angle c between tooth and the center of circle that two adjacent external tooth form are protruded is more than 90 °.
A kind of three hand folding stretching bridge-type rescue aids more preferably, described angle a is 85 ° to 89.5 °, and angle b is 90.5 ° to 95 °, and angle c is 90.5 ° to 95 °, and angle d is 85 ° to 89.5 °.
A kind of three hand folding stretching bridge-type rescue aids more preferably, described angle a is 89 °, and angle b is 91 °, and angle c is 91 °, and angle d is 89 °.
A kind of three hand folding stretching bridge-type rescue aids more preferably, described elastomer is spring, plastic elastomeric or flexure strip.
The Advantageous Effects that the present invention obtains is: with current field rescue Technical comparing, the Advantageous Effects that the present invention obtains is: this equipment can realize oneself's rescue by independent operation, save manpower, financial resources and time, it is suitable for ditch, the rescue of bank, this equipment supports the wheel of vehicle by three sections of foldable platforms on jack, expansion plate also includes the expansion plate of the back segment that can stretch or shrink, the direction in length and breadth adjusting three sections of foldable platforms completes oneself's rescue, vehicle can rotate the vehicle after supporting with any direction by three sections of foldable platforms and any direction does lateral translation, realize operation safety, laborsaving, reach purpose convenient to operate, practicality big easy to operate simply, it is capable of single oneself's rescue；Time-consuming, operation safety；Everyday driver just can skilled fast operating without exercise.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is that Fig. 1 upper level rotates 180 ° of schematic diagrams.
Fig. 3 is that flat schematic diagram is stretched on Fig. 1 top.
Fig. 4 is the schematic diagram having expansion link between Fig. 1 platform and scissors hand-operated jack；
Fig. 5 is the schematic diagram having expansion link between Fig. 2 platform and scissors hand-operated jack；
Fig. 6 is the schematic diagram having expansion link between Fig. 3 platform and scissors hand-operated jack；
Fig. 7 is that trocar sheath body epimere of the present invention has internal tooth form to protrude, the schematic diagram of hypomere hollow straight tube；
Fig. 8 is inner sleeve body schematic diagram of the present invention；
Fig. 9 is the support bar schematic diagram of the assembling of Fig. 7 Yu Fig. 8 of the present invention；
Figure 10 is that Fig. 7 of the present invention installs safe catching lock schematic diagram additional；
Figure 11 is the support bar schematic diagram of the assembling of Fig. 8 Yu Figure 10 of the present invention；
Figure 12 is the schematic diagram that trocar sheath body entire body of the present invention has internal tooth form to protrude；
Figure 13 is the support bar schematic diagram of the assembling of Fig. 8 Yu Figure 12 of the present invention；
Figure 14 is that Figure 12 of the present invention installs safe catching lock schematic diagram additional；
Figure 15 is the support bar schematic diagram of the assembling of Fig. 8 Yu Figure 14 of the present invention；
Figure 16 is the A-A schematic diagram of Fig. 7 or Figure 12 of the present invention；
Figure 17 is the B-B schematic diagram of Fig. 8 of the present invention；
Figure 18 is Fig. 9 or Figure 13 of the present invention C-C schematic diagram in Figure 16 state with the support bar of Figure 17 state assembling；
Figure 19 is the A-A schematic diagram of Figure 10 or Figure 14 of the present invention；
Figure 20 is the B-B schematic diagram of Fig. 8 that the present invention coordinates with Figure 10 or Figure 14；
Figure 21 is the C-C schematic diagram of the support bar that Figure 11 or Figure 14 of the present invention assembles in Figure 19 Yu Figure 20 state.
In figure: 1. trocar sheath body, 1-1. internal tooth form is protruded, 1-2. trocar sheath cavity. 2. inner sleeve body. and 2-1. external tooth form is protruded, 3. platform, 3-1. hinge, the left expansion plate of 3-21., the right expansion plate of 3-22., left back section of expansion plate of 3-31., 3-32. right back segment expansion plate, A. expansion link, D. base plate, J. scissors hand-rail type jack.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described, but protection domain of the presently claimed invention is not limited to the scope described by specific embodiment.
Example 1: the three a kind of hand folding stretching bridge-type rescue aids as described in Fig. 1 to Figure 21, including scissors hand-operated jack J, platform 3, left expansion plate 3-21, right expansion plate 3-22, base plate D,
The bottom in the support on scissors hand-operated jack J top and the stage casing of platform 3 connects；
Can horizontally rotate between described scissors hand-operated jack J and platform 3；
Below described scissors hand-operated jack J, connection has base plate D；
The area of described base plate D is more than the projected area of platform 3；
Described scissors hand-operated jack J also includes the adjusting screw rod in the middle part of it and the handle matched with adjusting screw rod；
There is left expansion plate 3-21 in the left side of described platform 3, connects with hinge 3-1 between platform 3 and left expansion plate 3-21；
There is right expansion plate 3-22 on the right side of described platform 3, connects with hinge 3-1 between platform 3 and right expansion plate 3-22；
Described left expansion plate 3-21 also includes left back section of expansion plate 3-31, uses card slot type to be flexibly connected between left expansion plate 3-21 and left back section of expansion plate 3-31；
Can stretch or shrink between described left expansion plate 3-21 and left back section of expansion plate 3-31；
Described right expansion plate 3-22 also includes right back segment expansion plate 3-32, uses card slot type to be flexibly connected between right expansion plate 3-22 and right back segment expansion plate 3-32；
Can stretch or shrink between described right expansion plate 3-22 and right back segment expansion plate 3-32；
nullRun into the single wheel of vehicle be absorbed in shallow hole immovable in the case of，The bottom that base plate D first can put into hole fixes，Then the platform 3 shown in Fig. 1-3 is arranged on scissors hand-operated jack J，Then left expansion plate 3-21 and right expansion plate 3-22 is arranged on the both sides of platform 3，Then raise scissors hand-operated jack J to press close to platform 3 by sunken wheel，Then platform 3 is adjusted、Left expansion plate 3-21 and the direction of right expansion plate 3-22，Left back section of expansion plate 3-31 is pulled out in left expansion plate 3-21，Right back segment expansion plate 3-32 is pulled out in right expansion plate 3-22，Left back section of expansion plate 3-31 and a right back segment expansion plate 3-32 at least frame side are on the ground，Then the handle of scissors hand-operated jack J is shaken，Drive adjusting screw rod again to raise scissors hand-operated jack J and prop up vehicle，The direction in length and breadth adjusting expansion plate promotes car or starts car and sail out of by sunken position；Run into two wheels of vehicle, when being absorbed in irremovable situation in hole simultaneously, the hydraulic pressure three folding rescue aid of the two set present invention according to different practical situations, can be used, take above-mentioned mode to operate.
Example 2: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 1, also include the expansion link A between platform 3 and scissors hand-operated jack J；
The bottom of expansion link A is connected with the support on scissors hand-operated jack J top；
Described expansion link A includes trocar sheath body 1, inner sleeve body 2；
The stage casing of platform 3 is connected with the top horizontal of expansion link A；
Can horizontally rotate between described platform 3 and the top of expansion link A；
Scissors hand-operated jack J is had below described trocar sheath body 1；
nullRun into the single wheel of vehicle be absorbed in shallow hole immovable in the case of，The bottom that base plate D first can put into hole fixes，Then the expansion link A shown in Fig. 4-6 and platform 3 are arranged on scissors hand-operated jack J，Then left expansion plate 3-21 and right expansion plate 3-22 is arranged on the both sides of platform 3，Then expansion link A and/or scissors hand-operated jack J is raised，Platform 3 is pressed close to by sunken wheel，Then platform 3 is adjusted、Left expansion plate 3-21 and the direction of right expansion plate 3-22，Left back section of expansion plate 3-31 is pulled out in left expansion plate 3-21，Right back segment expansion plate 3-32 is pulled out in right expansion plate 3-22，Left back section of expansion plate 3-31 and a right back segment expansion plate 3-32 at least frame side are on the ground，Then the handle of scissors hand-operated jack J is shaken，Drive adjusting screw rod again to raise scissors hand-operated jack J and prop up vehicle，The direction in length and breadth adjusting expansion plate promotes car or starts car and sail out of by sunken position；Run into two wheels of vehicle, when being absorbed in irremovable situation in hole simultaneously, the hydraulic pressure three folding rescue aid of the two set present invention according to different practical situations, can be used, take above-mentioned mode to operate.
Example 3: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 2,
Described trocar sheath body 1 is internally installed inner sleeve body 2；
Trocar sheath cavity 1-2 is had in described trocar sheath body 1；
Internal tooth form is had to protrude 1-1 inside described trocar sheath cavity 1-2；
Described internal tooth form protrusion 1-1 includes " internal tooth " of more than two sections inner circle arcs of the inner horizontal direction setting of trocar sheath cavity 1-2；
The most parallel external tooth form that is distributed of the outside entire body of described inner sleeve body 2 protrudes 2-1；
Described external tooth form is protruded 2-1 and is included " external tooth " of more than horizontally arranged two section outside inner sleeve body 2 cylindrical arc；
The profile of tooth of the external tooth form protrusion 2-1 that the internal tooth form of described trocar sheath body 1 protrudes 1-1 and inner sleeve body 2 cooperates.
Example 4: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 3, the described epimere within trocar sheath cavity 1-2 has the internal tooth form of uniform parallel distribution to protrude 1-1, it is hollow straight tube that internal tooth form protrudes the bottom of 1-1, or the described the most parallel internal tooth form that is distributed of the internal entire body of trocar sheath cavity 1-2 protrudes 1-1.
Example 5: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 3 or 4,
There is locating slot 7 at the middle part of described " external tooth "；
Described trocar sheath body 1 also includes safe catching lock, and safe catching lock is arranged on the side of the epimere of trocar sheath body 1；
Described safe catching lock also includes positioning thimble 6-1, elastomer 6, and the elastomer 6 of the inside of safe catching lock is by inside for thimble 6-1 bullet, and internal tooth form is protruded 1-1 and external tooth form protrusion 1-2 and rotated when overlapping, and thimble 6-1 snaps in locating slot 7；
nullRun into the single wheel of vehicle be absorbed in shallow hole immovable in the case of，The bottom that base plate D first can put into hole fixes，Then the expansion link A shown in Fig. 4-6 and platform 3 are arranged on scissors hand-operated jack J，Then left expansion plate 3-21 and right expansion plate 3-22 is arranged on the both sides of platform 3，Then expansion link A and/or scissors hand-operated jack J is raised，Platform 3 is pressed close to by sunken wheel，Then platform 3 is adjusted、Left expansion plate 3-21 and the direction of right expansion plate 3-22，Left back section of expansion plate 3-31 is pulled out in left expansion plate 3-21，Right back segment expansion plate 3-32 is pulled out in right expansion plate 3-22，Left back section of expansion plate 3-31 and a right back segment expansion plate 3-32 at least frame side are on the ground，Then safe catching lock is adjusted，Thimble 6-1 is made to snap in locating slot 7，Then the handle of scissors hand-operated jack J is shaken，Drive adjusting screw rod again to raise scissors hand-operated jack J and prop up vehicle，The direction in length and breadth adjusting expansion plate promotes car or starts car and sail out of by sunken position；Run into two wheels of vehicle, when being absorbed in irremovable situation in hole simultaneously, the hydraulic pressure three folding rescue aid of the two set present invention according to different practical situations, can be used, take above-mentioned mode to operate.
Example 6: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 3,
Described internal tooth form protrudes two sections " internal tooths " less than the circular arc of 1/4 inner circle arc length that 1-1 includes that the inner horizontal direction of trocar sheath cavity 1-2 is oppositely arranged
Described external tooth form is protruded 2-1 and is included the both sides outside inner sleeve body 2, two sections " external tooths " less than 1/4 cylindrical arc length that horizontal direction is oppositely arranged；
Described internal tooth form protrudes the two ends of the circular arc of the tooth of 1-1 with the angle a in the center of circle less than 90 °, and two adjacent internal tooth form protrude the angle b between tooth and the center of circle of 1-1 more than 90 °；
Described external tooth form protrudes the two ends of the circular arc of the tooth of 2-1 with the angle d in the center of circle less than 90 °, and two adjacent external tooth form protrude the angle c between tooth and the center of circle of 2-1 more than 90 °.
Example 7: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 6, many experiments is summarized, described angle a selects 85 ° to 89.5 °, angle b selects 90.5 ° to 95 °, angle c selects 90.5 ° to 95 °, when angle d is 85 ° to 89.5 °, the expansion link A of rescue aid pulls flexibly, and stress is big.
Example 8: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 7, many experiments is summarized, described angle a is 89 °, angle b is 91 °, angle c is 91 °, when angle d is 89 °, i.e. ensure that the expansion link A of rescue aid pulls flexibly, it is ensured that the stress of the expansion link A of rescue aid is maximum.
Example 9: according to the three a kind of hand folding stretching bridge-type rescue aids described in example 5, described elastomer 6 is spring, plastic elastomeric or flexure strip.
Above in association with accompanying drawing, embodiments of the present invention are explained in detail; but the invention is not restricted to this; in the ken that person of ordinary skill in the field is possessed; can also make a variety of changes on the premise of without departing from present inventive concept; person of ordinary skill in the field is from above-mentioned design; without performing creative labour, done all conversion, within all falling within protection scope of the present invention.
Claims (9)
1. three hand folding stretching bridge-type rescue aids, including scissors hand-operated jack (J), platform (3), left expansion plate (3-21), right expansion plate (3-22), base plate (D), is characterized in that:
The bottom in the support on scissors hand-operated jack (J) top and the stage casing of platform (3) connects；
Can horizontally rotate between described scissors hand-operated jack (J) and platform (3)；
Below described scissors hand-operated jack (J), connection has base plate (D)；
The area of described base plate (D) is more than the projected area of platform (3)；
Described scissors hand-operated jack (J) also includes the adjusting screw rod in the middle part of it and the handle matched with adjusting screw rod；
There is left expansion plate (3-21) in the left side of described platform (3), connects with hinge (3-1) between platform (3) and left expansion plate (3-21)；
There is right expansion plate (3-22) on the right side of described platform (3), connects with hinge (3-1) between platform (3) and right expansion plate (3-22)；
Described left expansion plate (3-21) also includes left back section of expansion plate (3-31), uses card slot type to be flexibly connected between left expansion plate (3-21) and left back section of expansion plate (3-31)；
Can stretch or shrink between described left expansion plate (3-21) and left back section of expansion plate (3-31)；
Described right expansion plate (3-22) also includes right back segment expansion plate (3-32), uses card slot type to be flexibly connected between right expansion plate (3-22) and right back segment expansion plate (3-32)；
Can stretch or shrink between described right expansion plate (3-22) and right back segment expansion plate (3-32).
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 1, is characterized in that: also include the expansion link (A) being positioned between platform (3) and scissors hand-operated jack (J)；
The bottom of expansion link (A) is connected with the support on scissors hand-operated jack (J) top；
Described expansion link (A) includes trocar sheath body (1), inner sleeve body (2)；
The stage casing of platform (3) is connected with the top horizontal of expansion link (A)；
Can horizontally rotate between described platform (3) and the top of expansion link (A)；
Scissors hand-operated jack (J) is had below described trocar sheath body (1).
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 2, is characterized in that:
Described trocar sheath body (1) is internally installed inner sleeve body (2)；
Trocar sheath cavity (1-2) is had in described trocar sheath body (1)；
Described trocar sheath cavity (1-2) is internal has internal tooth form to protrude (1-1)；
Described internal tooth form protrusion (1-1) includes " internal tooth " of more than two sections inner circle arcs of the inner horizontal direction setting of trocar sheath cavity (1-2)；
The most parallel external tooth form that is distributed of the outside entire body of described inner sleeve body (2) protrudes (2-1)；
Described external tooth form protrudes " external tooth " of more than horizontally arranged two section that (2-1) includes that inner sleeve body (2) is outside cylindrical arc；
The profile of tooth of external tooth form protrusion (2-1) that the internal tooth form of described trocar sheath body (1) protrudes (1-1) and inner sleeve body (2) cooperates.
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 2, it is characterized in that: the epimere of described trocar sheath cavity (1-2) inside has the internal tooth form of uniform parallel distribution to protrude (1-1), it is hollow straight tube that internal tooth form protrudes the bottom of (1-1), or the described the most parallel internal tooth form that is distributed of the internal entire body of trocar sheath cavity (1-2) protrudes (1-1).
5., according to the three a kind of hand folding stretching bridge-type rescue aids described in claim 3 or 4, it is characterized in that:
There is locating slot (7) at the middle part of described " external tooth "；
Described trocar sheath body (1) also includes safe catching lock, and safe catching lock is arranged on the side of the epimere of trocar sheath body (1)；
Described safe catching lock also includes positioning thimble (6-1), elastomer (6), the elastomer (6) of the inside of safe catching lock is by thimble (6-1) inwardly bullet, internal tooth form protrudes (1-1) and external tooth form protrusion (1-2) rotates when overlapping, and thimble (6-1) snaps in locating slot (7).
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 3, is characterized in that:
Described internal tooth form protrudes two sections " internal tooths " less than the circular arc of 1/4 inner circle arc length that (1-1) includes that the inner horizontal direction of trocar sheath cavity (1-2) is oppositely arranged
Described external tooth form protrudes the both sides that (2-1) includes that inner sleeve body (2) is outside, two sections " external tooths " less than 1/4 cylindrical arc length that horizontal direction is oppositely arranged；
Described internal tooth form protrudes the two ends of the circular arc of the tooth of (1-1) with the angle a in the center of circle less than 90 °, and two adjacent internal tooth form protrude the angle b between tooth and the center of circle of (1-1) more than 90 °；
Described external tooth form protrudes the two ends of the circular arc of the tooth of (2-1) with the angle d in the center of circle less than 90 °, and two adjacent external tooth form protrude the angle c between tooth and the center of circle of (2-1) more than 90 °.
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 6, is characterized in that: described angle a is 85 ° to 89.5 °, angle b is 90.5 ° to 95 °, and angle c is 90.5 ° to 95 °, and angle d is 85 ° to 89.5 °.
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 7, is characterized in that: described angle a is 89 °, angle b is 91 °, and angle c is 91 °, and angle d is 89 °.
A kind of three hand folding stretching bridge-type rescue aids the most according to claim 5, is characterized in that: described elastomer (6) is spring, plastic elastomeric or flexure strip.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019594.9A CN108178087A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches bridge-type lightweight rescue aid |
| CN201610364460.1A CN105947921B (en) | 2016-05-30 | 2016-05-30 | A kind of hand three foldings stretching bridge-type rescue aid |
| CN201810018852.1A CN108083158A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches the rescue aid of bridge-type self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364460.1A CN105947921B (en) | 2016-05-30 | 2016-05-30 | A kind of hand three foldings stretching bridge-type rescue aid |
Related Child Applications (2)
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| CN201810018852.1A Division CN108083158A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches the rescue aid of bridge-type self-locking |
| CN201810019594.9A Division CN108178087A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches bridge-type lightweight rescue aid |
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| CN105947921A true CN105947921A (en) | 2016-09-21 |
| CN105947921B CN105947921B (en) | 2018-02-02 |
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| CN201810019594.9A Pending CN108178087A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches bridge-type lightweight rescue aid |
| CN201610364460.1A Active CN105947921B (en) | 2016-05-30 | 2016-05-30 | A kind of hand three foldings stretching bridge-type rescue aid |
| CN201810018852.1A Withdrawn CN108083158A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches the rescue aid of bridge-type self-locking |
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| CN2107408U (en) * | 1991-06-19 | 1992-06-17 | 湘潭机电专科学校 | Rapid self-saving device for trail trap and flat tyre |
| DE4430543A1 (en) * | 1994-08-27 | 1996-02-29 | Me Maschinen Engineering Gmbh | Hoist with load bearing plate to whose underside is coupled to scissor mechanism |
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| CN203358836U (en) * | 2013-06-13 | 2013-12-25 | 浙江合兴船厂 | Hydraulic drive flat-bed trailer |
| CN204369496U (en) * | 2014-12-17 | 2015-06-03 | 九江鑫城纺织有限公司 | The spacing translating device of a kind of mair motor |
| CN204588591U (en) * | 2015-05-18 | 2015-08-26 | 程嘉斌 | Jack is turned in vehicular rescue original place |
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| US1938446A (en) * | 1930-08-19 | 1933-12-05 | Us Air Compressor Company | Chocking device for vehicle lifts |
| US5215287A (en) * | 1990-07-30 | 1993-06-01 | Lenet Leski | Vehicle lifter |
| JP3037637U (en) * | 1996-11-07 | 1997-05-20 | 弘 棚橋 | Workbench for mounting tire chains |
| US20130193392A1 (en) * | 2012-01-30 | 2013-08-01 | Frank McGinn | Ramp |
| CN203787823U (en) * | 2014-04-22 | 2014-08-20 | 国网山东禹城市供电公司 | Device for adjusting position of switchgear for transformer station |
| CN204095405U (en) * | 2014-07-07 | 2015-01-14 | 李伟 | A kind of strong friction automotive wheel skidding work-saving device |
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- 2016-05-30 CN CN201810019594.9A patent/CN108178087A/en active Pending
- 2016-05-30 CN CN201610364460.1A patent/CN105947921B/en active Active
- 2016-05-30 CN CN201810018852.1A patent/CN108083158A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107408U (en) * | 1991-06-19 | 1992-06-17 | 湘潭机电专科学校 | Rapid self-saving device for trail trap and flat tyre |
| DE4430543A1 (en) * | 1994-08-27 | 1996-02-29 | Me Maschinen Engineering Gmbh | Hoist with load bearing plate to whose underside is coupled to scissor mechanism |
| CN200988750Y (en) * | 2006-09-29 | 2007-12-12 | 高月桂 | Folding jacking machine |
| CN101823474A (en) * | 2009-04-03 | 2010-09-08 | 杜鹏 | Automobile self-rescue unit |
| CN203358836U (en) * | 2013-06-13 | 2013-12-25 | 浙江合兴船厂 | Hydraulic drive flat-bed trailer |
| CN204369496U (en) * | 2014-12-17 | 2015-06-03 | 九江鑫城纺织有限公司 | The spacing translating device of a kind of mair motor |
| CN204588591U (en) * | 2015-05-18 | 2015-08-26 | 程嘉斌 | Jack is turned in vehicular rescue original place |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108083158A (en) | 2018-05-29 |
| CN105947921B (en) | 2018-02-02 |
| CN108178087A (en) | 2018-06-19 |
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