CN113120055A - Portable fire-fighting folding vehicle and use method thereof - Google Patents
Portable fire-fighting folding vehicle and use method thereof Download PDFInfo
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- CN113120055A CN113120055A CN202110604900.7A CN202110604900A CN113120055A CN 113120055 A CN113120055 A CN 113120055A CN 202110604900 A CN202110604900 A CN 202110604900A CN 113120055 A CN113120055 A CN 113120055A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005381 potential energy Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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Abstract
The invention relates to a portable fire-fighting folding vehicle and a using method thereof, wherein the portable fire-fighting folding vehicle comprises a vehicle frame constructed by sectional materials, and a front armrest frame and a rear armrest frame which are arranged on the vehicle frame, wherein the front armrest frame and the rear armrest frame are folded or unfolded through a tenon clamping mechanism; the roller group is arranged on the frame and is folded or unfolded through a locking mechanism; can make the preceding handrail frame of frame and back handrail frame expand or fold fast through trip mechanism, the frame delivery fire-fighting equipment's after the expansion space increase, can make the convenient expansion of gyro wheel or fold through locking mechanism, maneuverability is strong, its structural design is reasonable, and is simple to use.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a portable fire fighting folding vehicle and a using method thereof.
Background
At present, various equipment in the field of fire fighting are diversified, but the transportation problem of the fire fighting truck reaching the last hundred meters in a fire scene is difficult to solve, most of the fire fighting trucks lean against the shoulders of people, and the efficiency is low;
the utility model provides a collapsible, can expand fast for fire engine quick folding car, load in the storage tank of fire engine with fold condition at ordinary times, be applicable to all fire control and elevate class vehicle, multi-functional city owner's war chariot, rescue car, apparatus car etc. … … can put two space in parallel in the neutral position between water pump and box, after arriving the scene of a fire, can expand fast, load water pump, hosepipe on folding car, just expand the hosepipe while running, improve rescue speed greatly.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a foldable and quickly-deployable quick folding vehicle for fire fighting.
The technical problem to be solved by the invention is realized by the following technical scheme, including,
a frame which is built by the sectional materials,
the front armrest frame and the rear armrest frame are arranged on the frame and are folded or unfolded through a tenon clamping mechanism;
and the roller group is arranged on the frame and is folded or unfolded through a locking mechanism.
The technical problem to be solved by the invention can also be achieved by the following technical scheme that the portable fire fighting folding vehicle and the use method thereof are characterized in that the tenon clamping mechanism comprises,
a tenon clamping mechanism fixing plate fixedly arranged on the top surface of the frame;
a handrail frame supporting rod fixedly connected with the front handrail frame or the rear handrail frame;
waist-shaped holes and hinge holes are sequentially formed in the bottom of the handrail frame support rod from top to bottom;
the rotating pin of the handrail frame supporting rod penetrates through the handrail frame supporting rod, the tenon clamping mechanism fixing plate and the hinge hole and can be used for rotating the handrail frame supporting rod around the hinge hole so as to fold or unfold the handrail frame supporting rod;
the handrail frame supporting rod locking pin penetrates through the handrail frame supporting rod, the tenon clamping mechanism fixing plate and the top of the waist-shaped hole and can lock the positioned handrail frame supporting rod;
the spring pin of the handrail frame supporting rod penetrates through the handrail frame supporting rod, the tenon clamping mechanism fixing plate and the bottom of the waist-shaped hole and can position the folded or unfolded handrail frame supporting rod.
The technical problem to be solved by the invention can also be realized by the following technical proposal that the roller group of the portable fire fighting folding vehicle comprises,
the mounting shafts are rotatably mounted on the frame and are oppositely arranged on two sides of the frame;
the roller mounting plate is fixedly arranged on the outer peripheral surface of the mounting shaft and is provided with a roller;
the torsion spring is arranged on the peripheral surface of the mounting shaft and can apply force to the roller mounting plate so as to enable the roller to be in contact with the ground, one end of the torsion spring is connected with the top surface of the frame, and the other end of the torsion spring is connected with the bottom surface of the roller mounting plate;
the mounting shaft locking blocks are fixed on the outer peripheral surfaces of two ends of the mounting shaft through connecting pieces;
a torsion spring locking hole which is arranged on the frame and the side surface of the locking block of the mounting shaft in a penetrating way;
the limiting spring pin is arranged in the torsion spring locking hole, can limit the torsion spring in the folded state of the roller, prevents the torsion spring from releasing elastic potential energy, and enables the roller to be unfolded again.
The technical problem to be solved by the invention can also be realized by the following technical scheme that each mounting shaft of the portable fire-fighting folding vehicle is provided with two rollers, the roller positioned below the front handrail frame is a universal wheel, and the roller positioned below the rear handrail frame is a directional wheel.
The technical problem to be solved by the invention can also be achieved by the following technical scheme that the portable fire-fighting folding vehicle is characterized in that the front armrest frame is provided with a handle assembly which comprises,
one end of the pull rod is rotatably arranged on the front end part of the front handrail frame through a pin body;
the other end of the pull rod is in threaded connection with a handrail tube sleeved on the peripheral surface of the pull rod, the end surface of the handrail tube is abutted against the side surface of the front handrail frame by rotating the handrail tube, and the pull rod which is folded or unfolded for 90 degrees is fixed on the front handrail frame.
The technical problem to be solved by the invention can also be realized by the following technical scheme that the portable fire fighting folding vehicle is characterized in that frame extension pipe frames are arranged at the bottoms of the front end and the rear end of the frame and comprise,
a frame extension pipe frame mounting groove on the side surface of the bottom of the frame is formed;
the extension pipe frame can be inserted into the installation groove of the frame extension pipe frame;
a limit groove arranged at the bottom of the extension pipe frame;
run through frame bottom and spacing groove to this makes the extension pipe support can not break away from in the connecting piece of frame extension pipe support mounting groove completely.
The technical problem to be solved by the invention can also be achieved by the following technical scheme, namely the use method of the folding vehicle special for fire fighting in the technical scheme comprises the following steps,
(1) the unfolding of preceding handrail frame and back handrail frame: the handrail support rod locking pin is manually taken down, the handrail support rod spring pin is manually drawn after the handrail support rod locking pin is taken down, the front handrail frame or the rear handrail frame is held by hands and is unfolded towards two sides during the process of drawing the handrail support rod spring pin, and then the front handrail frame and the rear handrail frame can be unfolded to two sides of the frame;
(2) placing fire fighting equipment: putting the fire fighting equipment to be used on the frame;
(3) folding of preceding handrail frame and back handrail frame: the front handrail frame and the rear handrail frame are manually lifted, when the spring pin of the handrail frame supporting rod is contacted with the side wall of the front handrail frame or the rear handrail frame, the spring pin of the handrail frame supporting rod is manually pulled, the front handrail frame and the rear handrail frame are continuously lifted during the pulling of the spring pin of the handrail frame supporting rod until the spring pin of the handrail frame supporting rod enters the waist-shaped hole, and then the handrail frame supporting rod locking pin is inserted into the waist-shaped hole, so that the front handrail frame and the rear handrail frame can be folded;
(4) conveying the fire fighting equipment: the frame can be moved by holding and pushing the front handrail frame or the rear handrail frame by hands, so that the fire fighting equipment is conveyed;
(5) folding of the roller group: manually drawing the torsion spring limiting spring pin to ensure that the front end part of the torsion spring limiting spring pin is not contacted with the inner wall of the torsion spring locking hole any more, so that the mounting shaft locking block and the mounting shaft can be rotated to fold the roller mounting plate and the rollers on the roller mounting plate;
(6) unfolding a roller group: slightly lifting one side of the frame to enable the torsion spring lifted on one side of the frame to release elastic potential energy, enabling the roller mounting plate and the mounting shaft to rotate together, manually pulling the torsion spring limiting spring pin when the end part of the torsion spring limiting spring pin is in contact with the bottom surface of the frame, and continuing to enable the roller mounting plate and the mounting shaft to rotate together until the end part of the torsion spring limiting spring pin moves into the torsion spring locking hole
Compared with the prior art, the invention has the beneficial technical effects that: can make the preceding handrail frame and the back handrail frame of frame expand or fold fast through trip mechanism, can make the convenient expansion of gyro wheel or fold through locking mechanism, maneuverability is strong, when needs expand preceding handrail frame and back handrail frame, only need dismantle in proper order and put up the bracing piece fitting pin and stimulate handrail frame bracing piece spring catch and can expand preceding handrail frame and back handrail frame, the frame delivery fire-fighting equipment's after the expansion space increase, convenient and fast, when the gyro wheel is folded to needs, only need shrink the gyro wheel, and the spacing spring catch of pulling torsional spring, make the spacing spring catch of torsional spring get into to torsional spring locking downthehole can, its structural design is reasonable, high durability and convenient use.
Drawings
FIG. 1 is a schematic perspective view of a folding cart for fire fighting;
FIG. 2 is a schematic perspective view of a roller set;
FIG. 3 is a schematic side view of the latch mechanism;
FIG. 4 is a schematic view of another perspective structure of the latch mechanism;
FIG. 5 is a perspective view of the handle assembly;
fig. 6 is a schematic top view of the frame.
In the figure, 1, a frame; 2. a front armrest frame; 3. a rear armrest frame; 4. a columnar armrest; 5. a tenon clamping mechanism fixing plate; 6. a handrail frame supporting rod; 7. a kidney-shaped hole; 8. a rotating pin of the armrest frame supporting rod; 9. a handrail frame support rod locking pin; 10. a spring pin of a handrail frame supporting rod; 11. installing a shaft; 12. mounting a roller; 13. a torsion spring; 14. installing a shaft locking block; 15. a torsion spring limiting spring pin; 16. a universal wheel; 17. a directional wheel; 18. a pull rod; 19. a handrail tube; 20. extending the pipe frame; 21. a limiting groove; 22. a connecting member.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
Example 1, referring to fig. 1-6, a portable fire fighting folding cart includes,
the frame 1 is built by sectional materials, and the frame 1 is formed by welding a plurality of aluminum alloy square tubes which are transversely or longitudinally arranged;
a front armrest frame 2 and a rear armrest frame 3 which are arranged on the frame 1, wherein the rear armrest frame 3 is provided with a columnar armrest 4, and the front armrest frame 2 and the rear armrest frame 3 are folded or unfolded through a tenon clamping mechanism;
the roller group is arranged on the frame 1 and is folded or unfolded through a locking mechanism.
the clamping tenon mechanism fixing plate 5 is fixedly arranged on the top surface of the frame 1, the cross section of the clamping tenon mechanism fixing plate 5 is rectangular, and the clamping tenon mechanism fixing plate 5 is fixedly connected with the frame 1 through bolts;
a handrail frame support rod 6 fixedly connected with the front handrail frame 2 or the rear handrail frame 3;
a waist-shaped hole 7 and a hinge hole which are arranged on the bottom of the handrail frame support rod 6 from top to bottom in sequence;
the rotating pin 8 of the handrail frame supporting rod penetrates through the handrail frame supporting rod 6, the tenon clamping mechanism fixing plate 5 and the hinge hole, and can be used for enabling the handrail frame supporting rod 6 to rotate around the hinge hole so as to be folded or unfolded;
a handrail frame support rod locking pin 9 which penetrates through the handrail frame support rod 6, the tenon clamping mechanism fixing plate 5 and the top of the waist-shaped hole 7 and can lock the positioned handrail frame support rod 6;
a spring pin 10 of the handrail support rod, which penetrates through the handrail support rod 6, the tenon clamping mechanism fixing plate 5 and the bottom of the waist-shaped hole 7 and can position the folded or unfolded handrail support rod 6.
In embodiment 2, when handrail frame 2 or back handrail frame 3 before needs expand, only need dismantle in proper order down handrail frame bracing piece fitting pin 9 and pulling handrail frame bracing piece spring pin 10 can expand preceding handrail frame 2 and back handrail frame 3, when preceding handrail frame 2 or back handrail frame 3 of needs folding, only need stand preceding handrail frame 2 or back handrail frame 3, and shrink handrail frame bracing piece spring pin 10 once, make handrail frame bracing piece spring pin 10 insert back in the waist type hole 7, again with handrail frame bracing piece fitting pin 9 insert can in the waist type hole 7.
the mounting shafts 11 are rotatably mounted on the frame 1, and the mounting shafts 11 are oppositely arranged on two sides of the frame 1;
a roller mounting plate 12 fixedly mounted on the outer peripheral surface of the mounting shaft 11, wherein the cross section of the roller mounting plate 12 is rectangular, and rollers are mounted on the roller mounting plate 12;
a torsion spring 13 which is arranged on the peripheral surface of the mounting shaft 11 and can apply force to the roller mounting plate 12 so as to enable the roller to contact the ground, wherein one end of the torsion spring 13 is connected with the top surface of the frame 1, and the other end is connected with the bottom surface of the roller mounting plate 12;
the mounting shaft locking blocks 14 are fixed on the outer peripheral surfaces of two ends of the mounting shaft 11 through connecting pieces, and the cross section edges of the mounting shaft locking blocks 14 are arranged in an arc shape;
a torsion spring locking hole which is arranged on the side surfaces of the frame 1 and the mounting shaft locking block 14 in a penetrating way;
the limiting spring pin 15 is arranged in the torsion spring locking hole, can limit the torsion spring 13 in the roller folding state, prevents the torsion spring 13 from releasing elastic potential energy and enables the roller to be unfolded again.
Embodiment 5, the portable fire fighting folding vehicle of embodiment 1, wherein the front armrest frame 2 is provided with a handle assembly, which comprises,
the pull rods 18 are oppositely arranged, the cross sections of the pull rods 18 are arranged in a circular shape, and one ends of the pull rods 18 are rotatably arranged on the front end part of the front handrail frame 2 through pin bodies;
the other end of the pull rod 18 is connected with a handrail tube 19 which is sleeved on the outer peripheral surface of the pull rod 18 in a threaded manner, the end surface of the handrail tube 19 is abutted against the side surface of the front handrail frame 2 by rotating the handrail tube 19, and thus the pull rod 18 which is folded or unfolded by 90 degrees is fixed on the front handrail frame 2.
a frame extension pipe frame installation groove on the side surface of the bottom of the frame 1 is formed, and the cross section of the frame extension pipe frame installation groove is rectangular;
the extension pipe support 20 can be inserted into the frame extension pipe support mounting groove, the cross section of the extension pipe support 20 is rectangular, and a pipe fitting inserted into the frame extension pipe support mounting groove is arranged on the extension pipe support 20;
a limit groove 21 arranged at the bottom of the extension pipe frame 20, wherein the limit groove 21 can adopt a waist-shaped hole-shaped groove body;
a connecting piece 22 which penetrates through the bottom of the frame 1 and the limiting groove 21 so that the extension pipe frame 20 can not be completely separated from the frame extension pipe frame installation groove, and the connecting piece 22 can adopt a bolt.
Example 7, a method of using a portable fire fighting folding cart as described in example 6, comprising the steps of,
(1) unfolding of the front armrest frame 2 and the rear armrest frame 3: the handrail support rod locking pin 9 is manually taken down, the handrail support rod spring pin 10 is manually drawn after the handrail support rod locking pin 9 is taken down, the front handrail frame 2 or the rear handrail frame 3 is held by hands and is unfolded towards two sides during the process of drawing the handrail support rod spring pin 10, and the front handrail frame 2 and the rear handrail frame 3 can be unfolded to two sides of the frame;
(2) placing fire fighting equipment: putting the fire fighting equipment to be used on the frame 1;
(3) folding of preceding handrail frame 2 and back handrail frame 3: manually lifting the front handrail frame 2 and the rear handrail frame 3 upwards, manually pulling the spring pin 10 of the support rod of the handrail frame when the spring pin 10 of the support rod of the handrail frame is contacted with the side wall of the front handrail frame 2 or the side wall of the rear handrail frame 3, continuously lifting the front handrail frame 2 and the rear handrail frame 3 during the pulling of the spring pin 10 of the support rod of the handrail frame until the spring pin 10 of the support rod of the handrail frame enters the kidney-shaped hole 7, and then inserting the locking pin 9 of the support rod of the handrail frame into the kidney-shaped hole 7, thus completing the folding of the front handrail frame 2 and the rear handrail frame 3;
(4) conveying the fire fighting equipment: the frame 1 can be moved by holding and pushing the front handrail frame 2 or the rear handrail frame 3, so that the fire fighting equipment is conveyed;
(5) folding of the roller group: manually drawing the torsion spring limiting spring pin 15 to ensure that the front end part of the torsion spring limiting spring pin 15 is not contacted with the inner wall of the torsion spring locking hole any more, so that the mounting shaft locking block 14 and the mounting shaft can be rotated to fold the roller mounting plate 12 and the rollers thereon;
(6) unfolding a roller group: slightly lifting one side of the frame 1, enabling the torsion spring 13 lifted on one side of the frame 1 to release elastic potential energy, enabling the roller mounting plate 12 and the mounting shaft to rotate together, manually pulling the torsion spring limiting spring pin 15 when the end part of the torsion spring limiting spring pin 15 is in contact with the bottom surface of the frame 1, and continuing enabling the roller mounting plate 12 and the mounting shaft to rotate together through the elastic potential energy of the torsion spring 13 until the end part of the torsion spring limiting spring pin 15 moves into the torsion spring locking hole.
When the folding vehicle special for fire fighting is used, a water pump, a water hose or fire fighting equipment used for fire fighting is placed on the vehicle frame 1, when the bearing space on the vehicle frame 1 needs to be expanded or the equipment is placed on the vehicle frame 1, the front handrail frame 2 or the rear handrail frame 3 can be unfolded, at the moment, the front handrail frame 2 and the rear handrail frame 3 can be unfolded only by sequentially disassembling the handrail frame support rod locking pin 9 and pulling the handrail frame support rod spring pin 10, when the front handrail frame 2 or the rear handrail frame 3 needs to be folded, the front handrail frame 2 or the rear handrail frame 3 only needs to be erected and the handrail frame support rod spring pin 10 is contracted once, so that after the handrail frame support rod spring pin 10 is inserted into the waist-shaped hole 7, the handrail frame support rod locking pin 9 is inserted into the waist-shaped hole 7;
when this special folding car of fire control reachs the use place, can fold and accomodate the gyro wheel, draw the spacing spring catch 15 of torsional spring this moment, and folding gyro wheel mounting panel 12, after 15 releases of the spacing spring catch of torsional spring with 1 marginal contact of frame, the pin body end butt of the spacing spring catch 15 of torsional spring is in frame 1 side this moment, with this stop gyro wheel mounting panel 12 and expand once more, when the gyro wheel mounting panel 12 is expanded once more to needs, only need draw the spacing spring catch 15 of torsional spring once more, this moment torsional spring 13 releases elastic potential energy, and make gyro wheel mounting panel 12 and installation axle 11 rotate, until its terminal surface butt once more in frame 1 bottom surface, can make gyro wheel and ground contact, its result reasonable in design.
Claims (7)
1. The utility model provides a portable fire control folding car which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a frame which is built by the sectional materials,
the front armrest frame and the rear armrest frame are arranged on the frame and are folded or unfolded through a tenon clamping mechanism;
and the roller group is arranged on the frame and is folded or unfolded through a locking mechanism.
2. A portable fire fighting folding cart as recited in claim 1, wherein: the tenon clamping mechanism comprises a tenon clamping mechanism and a tenon clamping mechanism,
a tenon clamping mechanism fixing plate fixedly arranged on the top surface of the frame;
a handrail frame supporting rod fixedly connected with the front handrail frame or the rear handrail frame;
waist-shaped holes and hinge holes are sequentially formed in the bottom of the handrail frame support rod from top to bottom;
the rotating pin of the handrail frame supporting rod penetrates through the handrail frame supporting rod, the tenon clamping mechanism fixing plate and the hinge hole and can be used for rotating the handrail frame supporting rod around the hinge hole so as to fold or unfold the handrail frame supporting rod;
the spring pin of the handrail frame supporting rod penetrates through the handrail frame supporting rod, the tenon clamping mechanism fixing plate and the bottom of the waist-shaped hole and can position the folded or unfolded handrail frame supporting rod;
the locking pin of the handrail frame supporting rod penetrates through the handrail frame supporting rod, the tenon clamping mechanism fixing plate and the top of the waist-shaped hole and can lock the positioned handrail frame supporting rod.
3. A portable fire fighting folding cart as recited in claim 1, wherein: the roller group comprises a roller wheel group and a roller wheel group,
the mounting shafts are rotatably mounted on the frame and are oppositely arranged on two sides of the frame;
the roller mounting plate is fixedly arranged on the outer peripheral surface of the mounting shaft and is provided with a roller;
the torsion spring is arranged on the peripheral surface of the mounting shaft and can apply force to the roller mounting plate so as to enable the roller to be in contact with the ground, one end of the torsion spring is connected with the top surface of the frame, and the other end of the torsion spring is connected with the bottom surface of the roller mounting plate;
the mounting shaft locking blocks are fixed on the outer peripheral surfaces of two ends of the mounting shaft through connecting pieces;
a torsion spring locking hole which is arranged on the frame and the side surface of the locking block of the mounting shaft in a penetrating way;
the limiting spring pin is arranged in the torsion spring locking hole, can limit the torsion spring in the folded state of the roller, prevents the torsion spring from releasing elastic potential energy, and enables the roller to be unfolded again.
4. A portable fire fighting folding cart as recited in claim 3, wherein: each mounting shaft is provided with two rollers, the roller positioned below the front handrail frame is a universal wheel, and the roller positioned below the rear handrail frame is a directional wheel.
5. A portable fire fighting folding cart as recited in claim 1, wherein: the front armrest frame is provided with a handle component which comprises,
one end of the pull rod is rotatably arranged on the front end part of the front handrail frame through a pin body;
the other end of the pull rod is in threaded connection with a handrail tube sleeved on the peripheral surface of the pull rod, the end surface of the handrail tube is abutted against the side surface of the front handrail frame by rotating the handrail tube, and the pull rod which is folded or unfolded for 90 degrees is fixed on the front handrail frame.
6. A portable fire fighting folding cart according to any one of claims 1-5, characterized in that: the bottom parts of the front end and the rear end of the frame are provided with frame extension pipe frames which comprise,
a frame extension pipe frame mounting groove on the side surface of the bottom of the frame is formed;
the extension pipe frame can be inserted into the installation groove of the frame extension pipe frame;
a limit groove arranged at the bottom of the extension pipe frame;
run through frame bottom and spacing groove to this makes the extension pipe support can not break away from in the connecting piece of frame extension pipe support mounting groove completely.
7. A method of using the portable fire fighting folding cart of claim 6, characterized in that: the method comprises the following steps of,
(1) the unfolding of preceding handrail frame and back handrail frame: the handrail support rod locking pin is manually taken down, the handrail support rod spring pin is manually drawn after the handrail support rod locking pin is taken down, the front handrail frame or the rear handrail frame is held by hands and is unfolded towards two sides during the process of drawing the handrail support rod spring pin, and then the front handrail frame and the rear handrail frame can be unfolded to two sides of the frame;
(2) placing fire fighting equipment: putting the fire fighting equipment to be used on the frame;
(3) folding of preceding handrail frame and back handrail frame: the front handrail frame and the rear handrail frame are manually lifted, when the spring pin of the handrail frame supporting rod is contacted with the side wall of the front handrail frame or the rear handrail frame, the spring pin of the handrail frame supporting rod is manually pulled, the front handrail frame and the rear handrail frame are continuously lifted during the pulling of the spring pin of the handrail frame supporting rod until the spring pin of the handrail frame supporting rod enters the waist-shaped hole, and then the handrail frame supporting rod locking pin is inserted into the waist-shaped hole, so that the front handrail frame and the rear handrail frame can be folded;
(4) conveying the fire fighting equipment: the frame can be moved by holding and pushing the front handrail frame or the rear handrail frame by hands, so that the fire fighting equipment is conveyed;
(5) folding of the roller group: manually drawing the torsion spring limiting spring pin to ensure that the front end part of the torsion spring limiting spring pin is not contacted with the inner wall of the torsion spring locking hole any more, so that the mounting shaft locking block and the mounting shaft can be rotated to fold the roller mounting plate and the rollers on the roller mounting plate;
(6) unfolding a roller group: slightly lifting one side of the frame, releasing elastic potential energy by the torsion spring on the lifted side of the frame, enabling the roller mounting plate and the mounting shaft to rotate together, manually pulling the torsion spring limiting spring pin when the end part of the torsion spring limiting spring pin is in contact with the bottom surface of the frame, and continuing to enable the roller mounting plate and the mounting shaft to rotate together by the elastic potential energy of the torsion spring until the end part of the torsion spring limiting spring pin is displaced into the torsion spring locking hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110604900.7A CN113120055A (en) | 2021-05-31 | 2021-05-31 | Portable fire-fighting folding vehicle and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110604900.7A CN113120055A (en) | 2021-05-31 | 2021-05-31 | Portable fire-fighting folding vehicle and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114633785A (en) * | 2022-03-29 | 2022-06-17 | 山东宏泰科技有限公司 | Lightweight folding fire-fighting transfer cart |
| CN117547772A (en) * | 2023-12-07 | 2024-02-13 | 广州森莱宝实业有限公司 | Multifunctional medical fire-fighting work vehicle |
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| KR102035457B1 (en) * | 2019-06-26 | 2019-10-22 | 김형선 | wheel folds for transport carts |
| CN212828543U (en) * | 2020-08-28 | 2021-03-30 | 司徒畅平 | Handcart with foldable wheels |
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