CN105947921B - A kind of hand three foldings stretching bridge-type rescue aid - Google Patents
A kind of hand three foldings stretching bridge-type rescue aid Download PDFInfo
- Publication number
- CN105947921B CN105947921B CN201610364460.1A CN201610364460A CN105947921B CN 105947921 B CN105947921 B CN 105947921B CN 201610364460 A CN201610364460 A CN 201610364460A CN 105947921 B CN105947921 B CN 105947921B
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- China
- Prior art keywords
- expansion plate
- hand
- tooth form
- platform
- tube body
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Classifications
-
- 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
- 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
-
- 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
-
- 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
A kind of hand three foldings stretching bridge-type rescue aid, there is the emergency and rescue equipment of the quick support of the energy load-bearing of the automobile rescue of three sections of foldable platforms on more particularly to a kind of top for the hand-rail type jack for having an expansion link, expansion link between platform and hydraulic jack, the outer tube body interior of expansion link has three groups of tooth form protrusions, the equipment can be rescued by independent operation to realize self, greatly save manpower, financial resources and time, the equipment supports the wheel of vehicle by three sections of foldable platforms on jack, expansion plate also includes the expansion plate for the back segment that can be stretched or shrink, succoured to complete self in the direction in length and breadth for adjusting three sections of foldable platforms, vehicle can be with longitudinal translation and transverse translation by three sections of foldable platforms, realize safe operation, it is laborsaving, reach purpose easy to operation, practicality is big.
Description
Technical field
The present invention relates to a kind of three hand foldings to stretch bridge-type rescue aid, more particularly to a kind of hand-rail type for having expansion link
There is the emergency and rescue equipment of the quick support of the energy load-bearing of the automobile rescue of three sections of foldable platforms on the top of jack.
Background technology
In vehicle driving process, one of wheel can be run into or two of which wheel falls into the accident of ditch, bank, even
Wheel uses the accident on road surface, because road surface He Gou, bank bottom drop are more than very heavy heights of roofs, in such case it is difficult to sue and labour.
Especially in the wild, the situation of the independent self-driving of driver, in situation about helping without other people, above-mentioned thing occurs
Therefore driver is more difficult to save oneself.
Pinner block, sandy soil, plank or vehicle etc. is promoted currently for above-mentioned accident, below generally use wheel with manpower
Mode is rescued, often time-consuming due to lacking aid, inconvenience of gathering materials on the spot in rescue operations, wheel be present
The uncompacted situation of under-filler, during automobile self-rescue, safety guarantee is difficult, does not often reach the effect of anticipation, at present
Neither one can complete the emergency and rescue equipment that vehicle is saved oneself with field handled by itself.
The content of the invention
The present invention goal of the invention be:For overcome prior art without have it is a kind of can load-bearing quick support emergency management and rescue
Equipment, it is an object of the invention to provide a kind of three sections of foldable platforms rescue aids of the quick support of hand-rail type, the equipment
It can be rescued by independent operation to realize self, greatly save manpower, financial resources and time, the equipment passes through on jack
Three sections of foldable platforms support the wheel of vehicle, and expansion plate also includes the expansion plate for the back segment that can be stretched or shrink, adjustment
The direction in length and breadth of three sections of foldable platforms is succoured to complete self, and vehicle can be with longitudinal translation and horizontal stroke by three sections of foldable platforms
To translation, realize safe operation, it is laborsaving, reach purpose easy to operation, practicality is big.
The present invention is achieved through the following technical solutions：A kind of hand three foldings stretching bridge-type rescue aid, including cut
Formula hand-operated jack, platform, left expansion plate, right expansion plate, bottom plate,
The support on scissors hand-operated jack top connects with the bottom in the stage casing of platform；
It can be rotated horizontally between described scissors hand-operated jack and platform；
Bottom plate D is connected with below described scissors hand-operated jack J；
The area of described bottom 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 to match with adjusting screw rod；
There is left expansion plate on the left of described platform, with hinge connection between platform and left expansion plate；
There is right expansion plate on the right side of described platform, with hinge connection between platform and right expansion plate；
Described left expansion plate also includes left back section of expansion plate, and card slot type is used between left expansion plate and left back section of expansion plate
It is flexibly connected；
It 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, and card slot type is used between right expansion plate and right back segment expansion plate
It is flexibly connected；
It can stretch or shrink between described right expansion plate and right back segment expansion plate.
A kind of more preferred hand three foldings stretching bridge-type rescue aid, include being located at platform and hydraulic jack it
Between expansion link；
The bottom of expansion link is connected with the support on hydraulic jack top；
Described expansion link includes overcoat tube body, inner sleeve tube body；
The stage casing of platform and the top horizontal of expansion link connect；
It can be rotated horizontally between described platform and the top of expansion link；
There is scissors hand-operated jack below described overcoat tube body.
A kind of more preferred hand three foldings stretching bridge-type rescue aid,
Described outer tube body interior is provided with inner sleeve tube body；
There is overcoat tube chamber in described overcoat tube body；
Described outer tube inside cavity has internal tooth form protrusion；
More than the two sections inner circle arcs that the inner horizontal direction that described internal tooth form protrusion includes overcoat tube chamber is set
" internal tooth "；
The uniform parallel external tooth form that is distributed with of the outside entire body of described inner sleeve tube body is protruded；
Described external tooth form protrusion includes more than horizontally arranged two section of inner sleeve body exterior cylindrical arcs
" external tooth "；
The tooth form that the internal tooth form protrusion of described overcoat tube body and the external tooth form of inner sleeve tube body are protruded cooperates.
A kind of more preferred hand three foldings stretching bridge-type rescue aid, the epimere of described outer tube inside cavity have
The internal tooth form protrusion of uniform parallel distribution, the bottom of internal tooth form protrusion are hollow straight tubes, or described outer tube inside cavity
The uniform parallel internal tooth form that is distributed with of entire body is protruded.
A kind of more preferred hand three foldings stretching bridge-type rescue aid,
There is locating slot in the middle part of described " external tooth "；
Described overcoat tube body also includes safe catching lock, and safe catching lock is arranged on the side of the epimere of overcoat tube body；
Described safe catching lock also includes positioning thimble, elastomer, and the elastomer of the inside of safe catching lock is inside by thimble
When bullet, internal tooth form protrusion and external tooth form protrusion rotation overlap, thimble is caught in locating slot.
A kind of more preferred hand three foldings stretching bridge-type rescue aid,
Be oppositely arranged two sections of the inner horizontal direction that described internal tooth form protrusion includes overcoat tube chamber are less than 1/4 inner circle
" internal tooth " of the circular arc of arc length
Described external tooth form protrusion includes the both sides of inner sleeve body exterior, and horizontal direction be oppositely arranged two sections is less than 1/
" external tooth " of 4 cylindrical arc length；
The both ends of circular arc of the tooth of described internal tooth form protrusion and the angle a in the center of circle are less than 90 °, adjacent two internal tooth forms
Angle b between the tooth of protrusion and the center of circle is more than 90 °；
The both ends of circular arc of the tooth of described external tooth form protrusion and the angle d in the center of circle are less than 90 °, adjacent two external tooth forms
Angle c between the tooth of protrusion and the center of circle is more than 90 °.
A kind of more preferred hand three foldings stretching bridge-type rescue aid, 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 more preferred hand three foldings stretching bridge-type rescue aid, described angle a is 89 °, and angle b is 91 °,
Angle c is 91 °, and angle d is 89 °.
A kind of more preferred hand three foldings stretching bridge-type rescue aid, described elastomer is spring, plastic resilient
Body or flexure strip.
The advantageous effects that the present invention obtains are：With current field rescue Technical comparing, the present invention obtains beneficial
Have the technical effect that：The equipment can be rescued by independent operation to realize self, save manpower, financial resources and time, suitable ditch,
The rescue of bank, the equipment support the wheel of vehicle by three sections of foldable platforms on jack, and expansion plate also includes can be with
Stretching or the expansion plate of the back segment shunk, the direction in length and breadth for adjusting three sections of foldable platforms are succoured to complete self, and vehicle passes through
Three sections of foldable platforms the vehicle after support can be rotated with any direction and any direction do lateral translation, realize safe operation,
It is laborsaving, reach purpose easy to operation, practicality is big easy to operate simple, can realize one self rescue；Save time, behaviour
Make safety；Everyday driver just can skilled fast operating without exercise.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is that Fig. 1 upper levels rotate 180 ° of schematic diagrames.
Fig. 3 is that flat schematic diagram is stretched on Fig. 1 tops.
Fig. 4 is the schematic diagram for having between Fig. 1 platforms and scissors hand-operated jack expansion link；
Fig. 5 is the schematic diagram for having between Fig. 2 platforms and scissors hand-operated jack expansion link；
Fig. 6 is the schematic diagram for having between Fig. 3 platforms and scissors hand-operated jack expansion link；
Fig. 7 is that overcoat tube body epimere of the present invention has internal tooth form protrusion, the schematic diagram of hypomere hollow straight tube；
Fig. 8 is inner sleeve tube body schematic diagram of the present invention；
Fig. 9 is the support bar schematic diagram of Fig. 7 and Fig. 8 of the present invention assembling；
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 Fig. 8 and Figure 10 of the present invention assembling；
Figure 12 is the schematic diagram that overcoat tube body entire body of the present invention has internal tooth form to protrude；
Figure 13 is the support bar schematic diagram of Fig. 8 and Figure 12 of the present invention assembling；
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 Fig. 8 and Figure 14 of the present invention assembling；
Figure 16 is Fig. 7 or Figure 12 of the present invention A-A schematic diagrames；
Figure 17 is Fig. 8 of the present invention B-B schematic diagrames；
Figure 18 is Fig. 9 or Figure 13 of the present invention in Figure 16 states and the C-C schematic diagrames of the support bar of Figure 17 states assembling；
Figure 19 is Figure 10 or Figure 14 of the present invention A-A schematic diagrames；
Figure 20 is the present invention and Figure 10 or Figure 14 Fig. 8 coordinated B-B schematic diagrames；
Figure 21 is Figure 11 or Figure 14 of the present invention in Figure 19 and the C-C schematic diagrames of the support bar of Figure 20 states assembling.
In figure：1. overcoat tube body, 1-1. internal tooth forms are protruded, outside the inner sleeve tube body 2-1. of 1-2. overcoat tube chambers 2.
Tooth form is protruded, 3. platforms, 3-1. hinges, the left expansion plates of 3-21., the right expansion plates of 3-22., left back section of expansion plate of 3-31., 3-32.
Right back segment expansion plate, A. expansion links, D. bottom plates, J. scissors hand-rail type jack.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but protection domain of the presently claimed invention not office
It is limited to the scope described by specific embodiment.
Example 1：A kind of hand three foldings stretching bridge-type rescue aid as described in Fig. 1 to Figure 21, including scissors hand thousand
Jin top J, platform 3, left expansion plate 3-21, right expansion plate 3-22, bottom plate D,
The support on scissors hand-operated jack J tops connects with the bottom in the stage casing of platform 3；
It can be rotated horizontally between described scissors hand-operated jack J and platform 3；
Bottom plate D is connected with below described scissors hand-operated jack J；
Described bottom plate D area 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 to match with adjusting screw rod；
There is left expansion plate 3-21 in the left side of described platform 3, with hinge 3-1 connections between platform 3 and left expansion plate 3-21；
There is right expansion plate 3-22 on the right side of described platform 3, with hinge 3-1 connections 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, left expansion plate 3-21 and left back section of expansion plate 3-
It is flexibly connected between 31 using card slot type；
It 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, right expansion plate 3-22 and right back segment expansion plate 3-
It is flexibly connected between 32 using card slot type；
It can stretch or shrink between described right expansion plate 3-22 and right back segment expansion plate 3-32；
Run into the single wheel of vehicle be absorbed in shallow hole it is immovable in the case of, the bottom that bottom plate D can be first put into hole is consolidated
It is fixed, then the platform 3 shown in Fig. 1-3 is arranged on scissors hand-operated jack J, then by left expansion plate 3-21 and right expansion plate
3-22 is arranged on the both sides of platform 3, then raises scissors hand-operated jack J and presses close to platform 3 by sunken wheel, then adjusts flat
The direction of platform 3, left expansion plate 3-21 and right expansion plate 3-22, left back section of expansion plate 3-31 is pulled out out of left expansion plate 3-21, from
Right back segment expansion plate 3-32, left back section of expansion plate 3-31 and right back segment expansion plate 3-32 at least one are pulled out in right expansion plate 3-22
Frame side on the ground, then shakes scissors hand-operated jack J handle, drives adjusting screw rod to raise scissors hand-operated jack again
J props up vehicle, adjusts the promotion car of direction in length and breadth of expansion plate or starts car and sails out of by sunken position；Run into two wheels of vehicle
Son, while when being absorbed in irremovable situation in hole, can be according to different actual conditions, using two sets hydraulic pressure three of the invention
Rescue aid is rolled over, takes above-mentioned mode to operate.
Example 2：A kind of hand three foldings stretching bridge-type rescue aid according to example 1, in addition to it is located at the He of platform 3
Expansion link A between scissors hand-operated jack J；
Expansion link A bottom is connected with the support on scissors hand-operated jack J tops；
Described expansion link A includes overcoat tube body 1, inner sleeve tube body 2；
The stage casing of platform 3 is connected with expansion link A top horizontal；
It can be rotated horizontally between described platform 3 and expansion link A top；
There is scissors hand-operated jack J below described overcoat tube body 1；
Run into the single wheel of vehicle be absorbed in shallow hole it is immovable in the case of, the bottom that bottom plate D can be first put into hole is consolidated
It is fixed, then the expansion link A shown in Fig. 4-6 and platform 3 are arranged on scissors hand-operated jack J, then by left expansion plate 3-21
The both sides of platform 3 are arranged on right expansion plate 3-22, expansion link A and/or scissors hand-operated jack J is then raised, platform 3 is pasted
Closely by sunken wheel, the direction of platform 3, left expansion plate 3-21 and right expansion plate 3-22 is then adjusted, out of left expansion plate 3-21
Pull out left back section of expansion plate 3-31, pull out right back segment expansion plate 3-32 out of 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 on the ground, then shakes scissors hand-operated jack J handle, drives regulation spiral shell
Bar raises scissors hand-operated jack J and props up vehicle again, adjusts the promotion car of direction in length and breadth of expansion plate or starts car and sails out of
By sunken position；, can be according to different actual feelings when running into two wheels of vehicle, while being absorbed in irremovable situation in hole
Condition, using the folding rescue aid of hydraulic pressure three of two sets of present invention, above-mentioned mode is taken to operate.
Example 3：A kind of hand three foldings stretching bridge-type rescue aid according to example 2,
Inner sleeve tube body 2 is installed inside described overcoat tube body 1；
There is overcoat tube chamber 1-2 in described overcoat tube body 1；
There is internal tooth form to protrude 1-1 inside described overcoat tube chamber 1-2；
Described internal tooth form protrusion 1-1 includes more than the two sections inner circles that overcoat tube chamber 1-2 inner horizontal direction is set
" internal tooth " of arc；
The uniform parallel external tooth form that is distributed with of the outside entire body of described inner sleeve tube body 2 protrudes 2-1；
Described external tooth form protrusion 2-1 includes more than horizontally arranged two section outside inner sleeve tube body 2 external arcs
" external tooth " of shape；
The internal tooth form protrusion 1-1 of described overcoat tube body 1 and the external tooth form protrusion 2-1 of inner sleeve tube body 2 tooth form phase
Mutually coordinate.
Example 4：A kind of hand three foldings stretching bridge-type rescue aid according to example 3, described overcoat tube chamber
Epimere inside 1-2 has the internal tooth form protrusion 1-1 of uniform parallel distribution, and internal tooth form protrusion 1-1 bottom is hollow straight tube, or
The uniform parallel internal tooth form that is distributed with of entire body protrudes 1-1 inside described overcoat tube chamber 1-2.
Example 5：A kind of hand three foldings stretching bridge-type rescue aid according to example 3 or 4,
There is locating slot 7 in the middle part of described " external tooth "；
Described overcoat tube body 1 also includes safe catching lock, and safe catching lock is arranged on the side of the epimere of overcoat tube body 1
Side；
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 thimble
When the inside bullets of 6-1, internal tooth form protrusion 1-1 and external tooth form protrusion 2-1 rotations overlap, thimble 6-1 is caught in locating slot 7；
Run into the single wheel of vehicle be absorbed in shallow hole it is immovable in the case of, the bottom that bottom plate D can be first put into hole is consolidated
It is fixed, then the expansion link A shown in Fig. 4-6 and platform 3 are arranged on scissors hand-operated jack J, then by left expansion plate 3-21
The both sides of platform 3 are arranged on right expansion plate 3-22, expansion link A and/or scissors hand-operated jack J is then raised, platform 3 is pasted
Closely by sunken wheel, the direction of platform 3, left expansion plate 3-21 and right expansion plate 3-22 is then adjusted, out of left expansion plate 3-21
Pull out left back section of expansion plate 3-31, pull out right back segment expansion plate 3-32 out of 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 on the ground, then adjusts safe catching lock, thimble 6-1 is caught in locating slot 7, so
Scissors hand-operated jack J handle is shaken afterwards, is driven adjusting screw rod to raise scissors hand-operated jack J again and is propped up vehicle, adjusts
The direction in length and breadth of expansion plate promotes car or starts car and sails out of by sunken position；Two wheels of vehicle are run into, while are absorbed in hole
During irremovable situation, using the folding rescue aid of hydraulic pressure three of two sets of present invention, it can be taken according to different actual conditions
Above-mentioned mode operates.
Example 6：A kind of hand three foldings stretching bridge-type rescue aid according to example 3,
Described internal tooth form is protruded two sections that inner horizontal directions of the 1-1 including overcoat tube chamber 1-2 is oppositely arranged and is less than
" internal tooth " of the circular arc of 1/4 inner circle arc length
Described external tooth form protrusion 2-1 includes the both sides outside inner sleeve tube body 2, and horizontal direction is oppositely arranged two sections small
In " external tooth " of 1/4 cylindrical arc length；
The both ends of circular arc of described internal tooth form protrusion 1-1 tooth and the angle a in the center of circle are less than in 90 °, adjacent two
Angle b between tooth form protrusion 1-1 tooth and the center of circle is more than 90 °；
The both ends of circular arc of described external tooth form protrusion 2-1 tooth and the angle d in the center of circle are less than 90 °, and adjacent two outer
Angle c between tooth form protrusion 2-1 tooth and the center of circle is more than 90 °.
Example 7：Many experiments are carried out total by a kind of hand three foldings stretching bridge-type rescue aid according to example 6
Knot, described angle a select 85 ° to 89.5 °, and angle b selects 90.5 ° to 95 °, and angle c selects 90.5 ° to 95 °, and angle d is
At 85 ° to 89.5 °, the expansion link A of rescue aid is pulled flexibly, and stress is big.
Example 8：Many experiments are carried out total by a kind of hand three foldings stretching bridge-type rescue aid according to example 7
Knot, described angle a is 89 °, and angle b is 91 °, and angle c is 91 °, when angle d is 89 °, that is, ensure that the flexible of rescue aid
Bar A pulls flexible, it is ensured that the expansion link A of rescue aid stress is maximum.
Example 9：A kind of hand three foldings stretching bridge-type rescue aid according to example 5, described elastomer 6 is bullet
Spring, plastic elastomeric or flexure strip.
Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to this, in affiliated skill
In technical staff's possessed knowledge in art field, various changes can also be made on the premise of present inventive concept is not departed from
Changing, person of ordinary skill in the field is from above-mentioned design, without performing creative labour, made a variety of conversion,
It is within the scope of the present invention.
Claims (9)
1. a kind of hand three foldings stretching bridge-type rescue aid, including scissors hand-operated jack（J）, platform（3）, left expansion plate
（3-21）, right expansion plate（3-22）, bottom plate（D）, it is characterized in that：
Scissors hand-operated jack（J）The support on top and platform（3）Stage casing bottom connection；
Described scissors hand-operated jack（J）And platform（3）Between can rotate horizontally；
Described scissors hand-operated jack（J）Below be connected with bottom plate（D）；
Described bottom plate（D）Area be more than platform（3）Projected area；
Described scissors hand-operated jack（J）Also include the adjusting screw rod in the middle part of it and the handle to match with adjusting screw rod；
Described platform（3）Left side have left expansion plate（3-21）, platform（3）With left expansion plate（3-21）Between with hinge（3-
1）Connection；
Described platform（3）Right side have right expansion plate（3-22）, platform（3）With right expansion plate（3-22）Between with hinge（3-
1）Connection；
Described left expansion plate（3-21）Also include left back section of expansion plate（3-31）, left expansion plate（3-21）With left back section of expansion plate
（3-31）Between using card slot type be flexibly connected；
Described left expansion plate（3-21）With left back section of expansion plate（3-31）Between can stretch or shrink；
Described right expansion plate（3-22）Also include right back segment expansion plate（3-32）, right expansion plate（3-22）With right back segment expansion plate
（3-32）Between using card slot type be flexibly connected；
Described right expansion plate（3-22）With right back segment expansion plate（3-32）Between can stretch or shrink.
2. a kind of hand three foldings stretching bridge-type rescue aid according to claim 1, it is characterized in that：Also include positioned at flat
Platform（3）With scissors hand-operated jack（J）Between expansion link（A）；
Expansion link（A）Bottom and scissors hand-operated jack（J）The support connection on top；
Described expansion link（A）Including overcoat tube body（1）, inner sleeve tube body（2）；
Platform（3）Stage casing and expansion link（A）Top horizontal connection；
Described platform（3）And expansion link（A）Top between can rotate horizontally；
Described overcoat tube body（1）Below have scissors hand-operated jack（J）.
3. a kind of hand three foldings stretching bridge-type rescue aid according to claim 2, it is characterized in that：
Described overcoat tube body（1）Inside is provided with inner sleeve tube body（2）；
Described overcoat tube body（1）Inside there is overcoat tube chamber（1-2）；
Described overcoat tube chamber（1-2）There is internal tooth form protrusion inside（1-1）；
Described internal tooth form protrusion（1-1）Including overcoat tube chamber（1-2）Inner horizontal direction set more than two sections inner circles
" internal tooth " of arc；
Described inner sleeve tube body（2）Outside entire body uniform parallel external tooth form protrusion is distributed with（2-1）；
Described external tooth form protrusion（2-1）Including inner sleeve tube body（2）More than outside horizontally arranged two section external arcs
" external tooth " of shape；
Described overcoat tube body（1）Internal tooth form protrusion（1-1）With inner sleeve tube body（2）External tooth form protrusion（2-1）Tooth
Shape cooperates.
4. a kind of hand three foldings stretching bridge-type rescue aid according to claim 2, it is characterized in that：Described outer tube
Cavity（1-2）Internal epimere has the internal tooth form protrusion of uniform parallel distribution（1-1）, internal tooth form protrusion（1-1）Bottom be
Hollow straight tube, or described overcoat tube chamber（1-2）The uniform parallel internal tooth form that is distributed with of internal entire body is protruded（1-1）.
5. a kind of hand three foldings stretching bridge-type rescue aid according to claim 3, it is characterized in that：
There is locating slot in the middle part of described " external tooth "（7）；
Described overcoat tube body（1）Also include safe catching lock, safe catching lock is arranged on overcoat tube body（1）Epimere side
Side；
Described safe catching lock also includes positioning thimble（6-1）, elastomer（6）, the elastomer of the inside of safe catching lock（6）Will top
Pin（6-1）Inside bullet, internal tooth form protrusion（1-1）Protruded with external tooth form（2-1）When rotation overlaps, thimble（6-1）It is caught in locating slot
（7）.
6. a kind of hand three foldings stretching bridge-type rescue aid according to claim 3, it is characterized in that：
Described internal tooth form protrusion（1-1）Including overcoat tube chamber（1-2）Be oppositely arranged two sections of inner horizontal direction be less than
" internal tooth " of the circular arc of 1/4 inner circle arc length
Described external tooth form protrusion（2-1）Including inner sleeve tube body（2）Outside both sides, horizontal direction are oppositely arranged two sections small
In " external tooth " of 1/4 cylindrical arc length；
Described internal tooth form protrusion（1-1）Tooth circular arc both ends and the center of circle angle a be less than 90 °, adjacent two internal tooths
Shape is protruded（1-1）Tooth and the center of circle between angle b be more than 90 °；
Described external tooth form protrusion（2-1）Tooth circular arc both ends and the center of circle angle d be less than 90 °, adjacent two external tooths
Shape is protruded（2-1）Tooth and the center of circle between angle c be more than 90 °.
7. a kind of hand three foldings stretching bridge-type rescue aid according to claim 6, it is characterized in that：Described angle a
It it 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 °.
8. a kind of hand three foldings stretching bridge-type rescue aid according to claim 7, it is characterized in that：Described angle a
It it is 89 °, angle b is 91 °, and angle c is 91 °, and angle d is 89 °.
9. a kind of hand three foldings stretching bridge-type rescue aid according to claim 5, it is characterized in that：Described elastomer
（6）It is spring, plastic elastomeric or flexure strip.
Priority Applications (3)
| 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 |
| 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 |
| CN201810019594.9A CN108178087A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches bridge-type lightweight rescue aid |
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)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105947921A CN105947921A (en) | 2016-09-21 |
| CN105947921B true CN105947921B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
| 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 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN201810019594.9A Pending CN108178087A (en) | 2016-05-30 | 2016-05-30 | A kind of hand three folding stretches bridge-type lightweight rescue aid |
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| CN (3) | CN108083158A (en) |
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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 |
| 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 |
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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
- 2016-05-30 CN CN201810018852.1A patent/CN108083158A/en not_active Withdrawn
- 2016-05-30 CN CN201810019594.9A patent/CN108178087A/en active Pending
- 2016-05-30 CN CN201610364460.1A patent/CN105947921B/en active Active
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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 |
| CN105947921A (en) | 2016-09-21 |
| CN108178087A (en) | 2018-06-19 |
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