A kind of rescue aid of three hand folding stretching bridge-types
Technical field
The present invention relates to the rescue aid of a kind of hand three foldings stretching bridge-types, 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 rescue device 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 rescue device 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 rescue device quickly supported of a kind of energy load-bearing, it is an object of the invention to provide the three sections of foldable platforms deliverance apparatus 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: the rescue aid of a kind of three hand folding stretching bridge-types, including scissors hand-operated jack, platform, left expansion plate, right expansion plate, expansion link, 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, connection has base plate;
The area of described base plate is more than the projected area of platform;
Expansion link is had between described platform and scissors hand-operated jack;
The bottom of expansion link is connected with the support on scissors hand-operated jack top;
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;
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;
Scissors hand-operated jack is had below described trocar sheath body;
Described scissors hand-operated jack also includes the adjusting screw rod in the middle part of it and the handle matched with adjusting screw rod;
Described expansion link includes trocar sheath body, inner sleeve body;
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 four sections " internal tooths " less than the circular arc of 1/8 inner circle arc length including that the inner horizontal direction of trocar sheath cavity is uniformly arranged;
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 four sections " external tooths " less than 1/8 cylindrical arc length including that inner sleeve body exterior horizontal direction is uniformly arranged;
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 rescue aid of three hand folding stretching bridge-types 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 the internal entire body of trocar sheath cavity 1-2 is protruded.
A kind of rescue aid of three hand folding stretching bridge-types 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.
The rescue aid of a kind of three hand folding stretching bridge-types more preferably, described elastomer is spring, plastic elastomeric or flexure strip.
The rescue aid of a kind of three hand folding stretching bridge-types more preferably, 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 45 °, and the angle b between tooth and the center of circle that two adjacent internal tooth form are protruded is more than 45 °;
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 45 °, and the angle c between tooth and the center of circle that two adjacent external tooth form are protruded is more than 45 °;
The rescue aid of a kind of three hand folding stretching bridge-types more preferably, described angle a is 40 ° to 44.5 °, and angle b is 45.5 ° to 50 °, and angle c is 45.5 ° to 50 °, and angle d is 40 ° to 44.5 °.
The rescue aid of a kind of three hand folding stretching bridge-types more preferably, described angle a is 44 °, and angle b is 46 °, and angle c is 46 °, and angle d is 44 °.
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 that trocar sheath body epimere of the present invention has internal tooth form to protrude, the schematic diagram of hypomere hollow straight tube;
Fig. 5 is inner sleeve body schematic diagram of the present invention;
Fig. 6 is the support bar schematic diagram of the assembling of Fig. 4 Yu Fig. 5 of the present invention;
Fig. 7 is that Fig. 4 of the present invention installs safe catching lock schematic diagram additional;
Fig. 8 is the support bar schematic diagram of the assembling of Fig. 7 Yu Fig. 5 of the present invention;
Fig. 9 is the schematic diagram that trocar sheath body entire body of the present invention has internal tooth form to protrude;
Figure 10 is the support bar schematic diagram of the assembling of Fig. 9 Yu Fig. 9 of the present invention;
Figure 11 is that Fig. 9 of the present invention installs safe catching lock schematic diagram additional;
Figure 12 is the support bar schematic diagram of the assembling of Figure 11 Yu Fig. 5 of the present invention;
Figure 13 is the A-A schematic diagram of Fig. 4 or Fig. 9 of the present invention;
Figure 14 is the B-B schematic diagram of Fig. 5 of the present invention;
Figure 15 is Fig. 6 or Figure 10 of the present invention C-C schematic diagram in Figure 13 state with the support bar of Figure 15 state assembling;
Figure 16 is the A-A schematic diagram of Fig. 7 or Figure 11 of the present invention;
Figure 17 is the B-B schematic diagram of Fig. 5 that the present invention coordinates with Fig. 7 or Figure 11;
Figure 18 is the C-C schematic diagram of the support bar that Fig. 8 or Figure 12 of the present invention assembles in Figure 16 Yu Figure 17 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 rescue aid of the three a kind of hand folding stretching bridge-types as described in Fig. 1 to Figure 18, including scissors hand-operated jack J, platform 3, left expansion plate 3-21, right expansion plate 3-22, expansion link A, 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;
Expansion link A is had between described 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;
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;
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;
Scissors hand-operated jack J is had below described trocar sheath body 1;
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;
Described expansion link A includes trocar sheath body 1, inner sleeve body 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 protrudes four sections " internal tooths " less than the circular arc of 1/8 inner circle arc length that 1-1 includes that the inner horizontal direction of trocar sheath cavity 1-2 is uniformly arranged;
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 four sections " external tooths " less than 1/8 cylindrical arc length that 2-1 includes that inner sleeve body 2 outer horizontal direction is uniformly arranged;
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;
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 2: according to the rescue aid of the three a kind of hand folding stretching bridge-types described in example 1, 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 3: according to the rescue aid of the three a kind of hand folding stretching bridge-types described in example 1 or 2,
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 4: according to the rescue aid of the three a kind of hand folding stretching bridge-types described in example 3, described elastomer 6 is spring, plastic elastomeric or flexure strip.
Example 5: according to the rescue aid of the three a kind of hand folding stretching bridge-types described in example 1, 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 45 °, and two adjacent internal tooth form protrude the angle b between tooth and the center of circle of 1-1 more than 45 °;
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 45 °, and two adjacent external tooth form protrude the angle c between tooth and the center of circle of 2-1 more than 45 °.
Example 6: according to the rescue aid of the three a kind of hand folding stretching bridge-types described in example 5, many experiments is summarized, described angle a selects 40 ° to 44.5 °, angle b selects 45.5 ° to 50 °, angle c selects 45.5 ° to 50 °, when angle d selects 40 ° to 44.5 °, the expansion link A of rescue aid pulls flexibly, and stress is big.
Example 7: according to the rescue aid of the three a kind of hand folding stretching bridge-types described in example 6, many experiments is summarized, described angle a is 44 °, angle b is 46 °, angle c is 46 °, when angle d is 44 °, 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.
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.