CN115107842B - Portable folding emergency rescue trolley and use method thereof - Google Patents
Portable folding emergency rescue trolley and use method thereof Download PDFInfo
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- CN115107842B CN115107842B CN202210820695.2A CN202210820695A CN115107842B CN 115107842 B CN115107842 B CN 115107842B CN 202210820695 A CN202210820695 A CN 202210820695A CN 115107842 B CN115107842 B CN 115107842B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/06—Hand moving equipment, e.g. handle bars
- B62B5/064—Hand moving equipment, e.g. handle bars adaptable for different users, e.g. by means of pivoting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/12—Collapsible wheels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a portable folding emergency rescue handcart and a use method thereof, the portable folding emergency rescue handcart comprises a frame carrier, two universal wheels and two driving wheels, wherein the two universal wheels and the two driving wheels are arranged at the bottom of the frame carrier and are used for driving the frame carrier, two first guardrails and two second guardrails which are used for forming a space for holding rescue materials are sequentially arranged at intervals along the edge of the surface of the frame carrier, the universal wheels and the driving wheels can be respectively attached to the bottom of the frame carrier through the cooperation of a folding mechanism and a wheel collecting mechanism, the universal wheels can be carried on a road on which the universal wheels are inconvenient to walk, the universal wheels can be prevented from contacting with a ground plane, the whole convenience is improved, the height of a suitable pushing handle can be adjusted according to the height of a user through a height adjusting mechanism, the applicability is improved, the size of the space for holding the rescue materials can be changed through rotating a fixing component, and the practicability is improved.
Description
Technical Field
The invention belongs to the technical field of emergency rescue, and particularly relates to a portable folding emergency rescue trolley and a using method thereof.
Background
The portable folding emergency rescue trolley is an indispensable component part in the emergency rescue process, when natural disasters such as earthquakes, debris flows and the like occur, the road is cut off due to soil collapse or mud caused by the disasters, and currently used large rescue vehicles cannot normally walk on the way to disaster accident sites and cannot timely send rescue equipment to the sites for rescue.
Disclosure of Invention
The invention aims to provide a portable folding emergency rescue trolley and a use method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the portable folding emergency rescue trolley comprises a trolley frame carrier, two universal wheels and two driving wheels, wherein the two universal wheels and the two driving wheels are arranged at the bottom of the trolley frame carrier and used for driving the trolley frame carrier, two first guardrails and two second guardrails are sequentially arranged at intervals along the edge of the surface of the trolley frame carrier, and two first guardrails and two second guardrails are used for forming a space for supporting rescue materials, and a pushing handle is arranged on the trolley frame carrier and used for pushing the whole device to move;
the folding mechanism for folding the universal wheels in a unidirectional rotation manner along the length direction of the frame carrier is arranged on the universal wheels, and the folding mechanism for relatively rotating the two driving wheels along the width direction of the bottom of the frame carrier and attaching the two driving wheels to the bottom of the frame carrier is arranged on the frame carrier;
the frame carrier is carried on a rugged road through the folding mechanism and the folding mechanism;
the connection parts of the frame carrier and the first guardrails and the second guardrails are respectively provided with a rotary fixing assembly which enables the first guardrails and the second guardrails to stand vertically or be attached to the surface of the frame carrier, so that the size of a space for containing rescue materials is changed;
the frame carrier is provided with a height adjusting mechanism for changing the vertical height of the handle end of the push handle, so that the frame carrier is pushed at different angles, the wheel collecting mechanism comprises a locking component, two limiting components, a first rotating component and a second rotating component, the locking component comprises a supporting block arranged at the bottom of the frame carrier, one side of the supporting block is provided with a buckling plate, the bottom of the supporting block is provided with a base plate, the outer side of the base plate is provided with a first fixing block, the two sides of the outer side of the first fixing block are provided with hinge plates, two hinge plates are connected with a second handle, a lock catch is inserted in each hinge plate, the lock catch is in butt joint with the buckling plate, the limiting components comprise a supporting frame arranged at the bottom of the frame carrier, the supporting frame is internally provided with a mounting block, the second spacing post is inserted in the supporting frame and penetrates through the mounting block, the second spacing post extends to the outside of the supporting frame and is connected with a third handle, a third spring is arranged at the outer side of one end of the second spacing post between the supporting frame and the mounting block, a stop lever is inserted on the second spacing post, one side of the supporting frame is provided with two fixing posts for limiting the stop lever close to the mounting block, a first rotating shaft is arranged between the two second fixing blocks and comprises two second fixing blocks mounted at the bottom of a frame carrier, a first rotating block is arranged on the first rotating shaft, the bottom of the first rotating block is connected with a base plate, a damping post for connecting a driving wheel is arranged at the bottom of the base plate, the second rotating assembly comprises two third fixing blocks mounted at the bottom of the frame carrier, a second rotating shaft is arranged between the two third fixed blocks, a second rotating block is sleeved on the second rotating shaft, and a locking ring used for limiting the second rotating block to slide is further arranged on the second rotating shaft.
Preferably, the folding mechanism comprises a connecting frame connected between the frame carrier and the universal wheels, wherein the lower end of the connecting frame is hollowed out and is provided with an opening, two upright posts are arranged on one side of the connecting frame, telescopic rods are inserted in the upright posts in an inserting mode, one ends of the telescopic rods extending into the upright posts are connected with first limiting posts, one ends of the telescopic rods away from the upright posts are connected with first handles, and the first limiting posts penetrate through the upright posts and extend into the connecting frame.
Preferably, a rotating plate is installed on one side, close to the upright post, in the connecting frame, a shaft bracket is installed on one side of the rotating plate, two limiting blocks are arranged on the shaft bracket, a limiting area limited by a first limiting post is formed between the two limiting blocks, a jack matched with the first limiting post is further formed in the surface of the connecting frame, and a baffle plate for limiting rotation of the shaft bracket is arranged at the bottom of the connecting frame.
Preferably, the rotation fixing component is set to a plurality of, and the rotation fixing component is including installing the telescopic part on the frame carrier, the cavity has been seted up in the telescopic part, be provided with the fender rank in the cavity, the extension rod has been inserted in the telescopic part, the extension rod extends to in the cavity to be connected with the bottom block, and the extension rod is located the one end outside cover between bottom block and the fender rank and be equipped with first spring, extension rod keeps away from telescopic part one end and is connected with grafting portion, grafting portion is a plurality of, and is connected with first guardrail and second guardrail respectively, the telescopic part is close to grafting portion one end port department circumference array and has a plurality of convex parts, grafting portion is close to the telescopic part one end port department and has seted up the breach corresponding with convex part position. Preferably, the frame carrier surface is provided with two backup pads, height adjustment mechanism sets up in two between the backup pad, height adjustment mechanism is including installing in two casing between the backup pad, it has two spliced poles that are the symmetry to insert in the casing, two the spliced pole keeps away from one end mutually and all runs through the casing and extends to in the backup pad, two the spliced pole is located the equal cover in the casing one end outside and is equipped with the second spring, and is equipped with the solid fixed ring spacing to the second spring on the spliced pole, it has the bull stick to peg graft in the casing outside, and the bull stick extends to the cavity in-connection with the plectrum, install the picture peg on the plectrum, two the spliced pole is close to one side all and is provided with the linking piece that articulates mutually with the picture peg, offer in the backup pad and supply to push away the inserted space, push away in the extension to the space one end be fan-shaped, and along fan-shaped arc limit equidistance offered a plurality of with the through-hole of spliced pole looks adaptation.
The application method of the portable folding emergency rescue handcart comprises the following steps,
step A, when the volume of the needed transportation rescue materials is large, firstly, holding the second guardrails to pull towards one side of the inserting part, pulling out the convex part from the notch, enabling the stretching rod to move in the cavity, extruding the first springs along with the movement of the stretching rod along with the bottom block due to the blocking of the steps, rotating the two second guardrails towards the surface of the frame carrier, enabling the two second guardrails to be attached to the surface of the frame carrier, then holding the first guardrails, and rotationally attaching the two first guardrails to the second guardrails by adopting the synchronous operation;
step B, when the volume of the needed transportation rescue materials is smaller, the first guardrail is pulled firstly, the bottom block rotates in the cavity to drive the stretching rod to rotate, the first spring contracts, the stretching rod is pulled into the telescopic part, the convex part is inserted into the corresponding notch, the first guardrail is vertically fixed, and then the second guardrail is pulled to adopt the synchronous operation, so that the second guardrail is vertically fixed;
step C, when the pushing angle of the pushing handle needs to be changed, pulling the handrail, driving the rotating rod to rotate, enabling the circular plate to rotate in a following manner, driving the inserting plate to rotate, enabling the two connecting blocks to rotate to the bottom of the circular plate and the bottom of the circular plate respectively, enabling the two connecting columns to be pulled out of the two supporting plates respectively, rotating the pushing handle at the moment, changing the position of the through hole on the fan-shaped surface, loosening the handrail after the position of the through hole on the fan-shaped surface reaches a desired angle, enabling the two connecting columns to be inserted into gaps of the two supporting plates again through retraction of the second spring, penetrating through the through holes, and fixing the pushing handle;
step D, when the universal wheel and the driving wheel are required to be recovered, the first handle is pulled firstly to drive the telescopic rod to stretch in the upright post, the first limiting column is driven to be pulled out of the limiting area, the fixation of the rotating piece is canceled, then the universal wheel is paid off and rotated towards the driving wheel, after the universal wheel is attached to the frame carrier, the first handle is pulled again, the first limiting column penetrates through the jack to extend into the limiting area formed by the two limiting blocks through the telescopic rod, and the universal wheel is fixed;
step E, then pulling the second handle, pushing the lock catch to drop from the lock joint plate through pushing of the hinge plate, pushing the shock absorption column to move towards the bottom of the frame carrier, rotating on the second rotating shaft through the second rotating block, enabling the driving wheel to be attached to the bottom of the frame carrier, pulling the lock ring, canceling the fixation of the second rotating block, then enabling the second rotating block to move along the length direction of the second rotating shaft, fixing the second rotating block through the lock ring again after the movement is finished, rotationally pulling the third handle, enabling the second limit column to displace and rotate, driving the stop lever to rotate, enabling the stop lever to rotate out from between the fixing rod and the mounting block, inserting the second limit column between the two shock absorption columns through extension and retraction of the third spring, and fixing the driving wheel;
and F, repeating the step E, and attaching and fixing the other group of driving wheels to the bottom of the frame carrier.
The invention has the technical effects and advantages that: according to the portable folding emergency rescue trolley and the use method thereof, the portable folding emergency rescue trolley can be thrown into a disaster rescue area together with rescue equipment, so that rescue workers can be assisted in transporting the rescue equipment to a disaster accident rescue site, the physical consumption of the rescue workers in the process of transporting the equipment is reduced, the physical strength of the rescue workers is ensured, and the rescue efficiency is greatly improved.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is a schematic structural view of a wheel retracting mechanism according to the present invention;
FIG. 3 is a schematic view of a first view angle structure of the folding mechanism according to the present invention;
FIG. 4 is a schematic view of a second view angle structure of the folding mechanism of the present invention;
FIG. 5 is a schematic view of the overall structure of the rotary fixing assembly of the present invention;
FIG. 6 is a schematic view of the internal structure of the rotary fixing assembly of the present invention;
FIG. 7 is a schematic view of the locking assembly of the present invention;
FIG. 8 is a schematic view of a height adjustment mechanism according to the present invention;
FIG. 9 is a schematic view of a spacing assembly according to the present invention;
FIG. 10 is a schematic view of a first rotary assembly of the present invention;
FIG. 11 is a schematic view of a second rotary assembly according to the present invention;
fig. 12 is a schematic structural view of the push handle of the present invention.
In the figure: 1. a frame carrier; 2. a through hole; 3. a universal wheel; 4. a folding mechanism; 401. a connection frame; 402. a baffle; 403. a first handle; 404. a column; 405. a telescopic rod; 406. a jack; 407. a rotating piece; 408. a first limit post; 409. a limiting block; 5. a rotational fixing assembly; 501. a telescopic part; 502. a stretching rod; 503. a plug-in part; 504. a bottom block; 505. a first spring; 506. a step; 507. a convex portion; 508. a notch; 6. a driving wheel; 7. a locking assembly; 701. a support block; 702. locking; 703. a buckling plate; 704. a first fixed block; 705. a hinged plate; 706. a second handle; 8. a first guardrail; 9. a second guardrail; 10. a height adjusting mechanism; 1001. a fixing ring; 1002. a second spring; 1003. a joint block; 1004. a circular plate; 1005. inserting plate; 1006. a connecting column; 11. a limit component; 1101. a third handle; 1102. a mounting block; 1103. fixing the column; 1104. a support frame; 1105. a third spring; 1106. a stop lever; 1107. the second limit column; 12. a first rotating assembly; 1201. a first rotating block; 1202. a second fixed block; 1203. a shock-absorbing column; 1204. a first rotating shaft; 13. a second rotating assembly; 1301. a second rotating block; 1302. a locking ring; 1303. a second rotating shaft; 1304. a third fixed block; 14. a pushing handle; 15. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In order to facilitate the use of the device to carry rescue materials and relief the disaster, refer to the figure 1, comprising a frame carrier 1, two universal wheels 3 and two driving wheels 6 which are arranged at the bottom of the frame carrier 1 and used for driving the frame carrier 1, two first guardrails 8 and two second guardrails 9 which are used for forming a space for supporting the rescue materials are sequentially arranged at intervals along the edge of the surface of the frame carrier 1, and a pushing handle 14 which is arranged on the frame carrier 1 and used for pushing the whole device to move.
In order to store the universal wheel 3 and the driving wheel 6, the whole device and rescue materials are convenient to carry on a road inconvenient to walk, as shown in fig. 1, 2, 3, 4, 7, 9, 10 and 11, a folding mechanism 4 for folding the universal wheel 3 in a unidirectional rotation manner along the length direction of the frame carrier 1 is arranged on the universal wheel 3, and a wheel folding mechanism for relatively rotating the two driving wheels 6 along the width direction of the bottom of the frame carrier 1 and attaching the two driving wheels to the bottom of the frame carrier 1 is arranged on the frame carrier 1; the folding mechanism 4 comprises a connecting frame 401 connected between the frame carrier 1 and the universal wheels 3, the lower end of the connecting frame 401 is hollow and is in an opening shape, two upright posts 404 are arranged on one side of the connecting frame 401, telescopic rods 405 are inserted in the two upright posts 404, one ends of the telescopic rods 405 extending into the upright posts 404 are connected with first limit posts 408, one ends of the telescopic rods 405 away from the upright posts 404 are connected with first handles 403, the first limit posts 408 penetrate through the upright posts 404 and extend into the connecting frame 401, a rotating sheet 407 is arranged on one side of the connecting frame 401 close to the upright posts 404, a shaft bracket is arranged on one side of the rotating sheet 407, two limit blocks 409 are arranged on the shaft bracket, a limit area limited by the first limit posts 408 is formed between the two limit blocks 409, jacks 406 matched with the first limit posts 408 are also arranged on the surface of the connecting frame 401, a baffle 402 for limiting the rotation of the shaft bracket is arranged at the bottom of the connecting frame 401, the wheel receiving mechanism comprises a locking component 7, two limiting components 11, a first rotating component 12 and a second rotating component 13, the locking component 7 comprises a supporting block 701 arranged at the bottom of a frame carrier 1, a buckling plate 703 is arranged at one side of the supporting block 701, a base plate is arranged at the bottom of the supporting block 701, a first fixing block 704 is arranged at the outer side of the base plate, two hinge plates 705 are arranged at the outer sides of the first fixing block 704, two hinge plates 705 are connected with a second handle 706 between the two hinge plates 705, a lock catch 702 is inserted in the hinge plates 705, the lock catch 702 is abutted with the buckling plate 703, the limiting component 11 comprises a supporting frame 1104 arranged at the bottom of the frame carrier 1, an installation block 1102 is arranged in the supporting frame 1104, a second limiting column 1107 is inserted in the supporting frame 1104, the second limiting column 1107 simultaneously penetrates through the installation block 1102, a third handle 1101 is connected outside the supporting frame 1104, the second spacing post 1107 is located the support frame 1104 and is provided with the third spring 1105 outside the one end between the installation piece 1102, peg graft on the second spacing post 1107 and have the pin 1106, one side in the support frame 1104, and be provided with adjacent installation piece 1102 and be used for spacing two fixed posts 1103 to the pin 1106, around first rotating assembly 12 including installing in two second fixed pieces 1202 of frame carrier 1 bottom, be provided with first pivot 1204 between two second fixed pieces 1202, be provided with first pivot 1201 on the first pivot 1204, first pivot 1201 bottom is connected with the backing plate, the backing plate bottom sets up the shock strut 1203 that is used for linking drive wheel 6, second rotating assembly 13 includes installs in two third fixed pieces 1304 of frame carrier 1 bottom between two third fixed pieces 1304, cup joint second pivot 1301 on the second pivot 1303, and still be provided with in the second pivot 1303 and be used for limiting the catch 1302 that the second pivot 1301 slides. The bottom of the connecting frame 401 is arc-shaped and is matched with the shape of the rotating piece 407, so that the rotating piece 407 can rotate at the later stage conveniently. The space for the telescopic rod 405 to move is arranged in the upright column 404, after the first handle 403 is pulled, the telescopic rod 405 can be made to stretch out and draw back, the movement of the first limiting column 408 is driven, the universal wheel 3 can be fixed, after the universal wheel 3 rotates to be attached to the frame carrier 1, the first handle 403 is pulled again, the first limiting column 408 is inserted into different insertion holes 406 and enters into a limiting area again, and the folded universal wheel 3 is fixed. The driving wheel 6 is vertically fixed through the locking component 7, driving is achieved, wherein after the lock catch 702 is far away from the buckling plate 703, the driving wheel 6 is rotated towards the bottom of the frame carrier 1 through the first rotating component 12 and the second rotating component 13 and is attached, and two driving wheels 6 are respectively fixed through the two limiting components 11, so that wheel folding fixation of the driving wheels 6 is achieved. It should be noted that, the situation that two driving wheels 6 collide is avoided, so that the wheel retracting operation needs to be performed sequentially, first, the second rotating block 1301 needs to be rotated first, and the driving wheels 6 are driven to slide on the second rotating shaft 1303 along the length direction of the second rotating shaft 1303, so that the driving wheels 6 move towards the pushing handle 14, after moving, the driving wheels 6 are fixed by using the locking ring 1302, then the first rotating block is rotated to attach the other group of driving wheels 6 to the bottom of the frame carrier 1, and the limiting assembly 11 is used for fixing the driving wheels. The second shaft 1303 and the first shaft 1204 have different lengths. The two limit assemblies 11 are identical in structure but are positioned differently, adjacent to the two drive wheels 6, respectively.
In order to facilitate the first guardrail 8 and the second guardrail 9 to fall down or stand vertically, change the space for holding rescue materials, referring to fig. 1, 5 and 6, the connection part of the frame carrier 1 and the first guardrail 8 and the second guardrail 9 is respectively provided with a rotary fixing component 5 for vertically standing the first guardrail 8 and the second guardrail 9 or attaching to the surface of the frame carrier 1, change the space for holding rescue materials is realized, the rotary fixing component 5 is provided with a plurality of telescopic parts 501 installed on the frame carrier 1, a cavity is formed in the telescopic parts 501, a blocking step 506 is arranged in the cavity, a stretching rod 502 is inserted in the telescopic parts 501, the stretching rod 502 extends into the cavity and is connected with a bottom block 504, one end of the stretching rod 502 between the bottom block 504 and the blocking step 506 is sleeved with a first spring 505, one end of the stretching rod 502, which is far away from the telescopic parts 501, the other end of the stretching rod 503 is connected with a plurality of splicing parts 503, the telescopic parts 8 and the second guardrail 9 are respectively connected with the telescopic parts 501, the telescopic parts 501 are provided with a plurality of ports 508 which are arranged at the positions of ports of one end of the stretching rod 501, which are close to the first ends of the stretching rods are provided with a plurality of ports which are not corresponding to the first ports and the corresponding to the ports of the stretching rods 9, and the positions of the stretching rods are arranged at the positions of the corresponding to the ports of the stretching parts which are close to the first ports to the ports of the stretching parts of the stretching rods. Because the self height of the first guardrail 8 is lower than the self height of the second guardrail 9, cushion blocks are arranged at the bottom of the first guardrail 8, when the first guardrail 8 and the second guardrail 9 need to be laid down, the second guardrail 9 firstly needs to be attached to the surface of the frame carrier 1, and then the first guardrail 8 is laid down and attached to the surface of the second guardrail 9. The two second guardrails 9 are symmetrical, and the sum of the heights of the two second guardrails 9 is smaller than the width distance of the frame carrier 1. Each telescopic part 501 is mounted on the frame carrier 1 and the cushion block, a certain gap is reserved between each telescopic part and the second guardrail 9 and the first guardrail 8, and each inserting part 503 is mounted at the bottoms of the first guardrail 8 and the second guardrail 9, and a certain gap is reserved between each telescopic part and the cushion block and the frame carrier 1.
In order to change the pushing angle of the push handle 14 conveniently, referring to fig. 1, 8 and 12, a height adjusting mechanism 10 for changing the vertical height of the handle end of the push handle 14 is arranged on the frame carrier 1, pushing of the frame carrier 1 at different angles is achieved, two support plates 15 are arranged on the surface of the frame carrier 1, the height adjusting mechanism 10 is arranged between the two support plates 15, the height adjusting mechanism 10 comprises a shell arranged between the two support plates 15, two symmetrical connecting columns 1006 are inserted in the shell, one ends, far away from each other, of the two connecting columns 1006 extend into the support plates 15 through the shell, a second spring 1002 is sleeved outside one end of the two connecting columns 1006 in the shell, a fixing ring 1001 for limiting the second spring 1002 is arranged on the connecting columns 1006, a rotating rod is inserted outside the shell, and extends into a cavity to be connected with a circular plate 1004, a plugboard 1005 is arranged on the circular plate 1004, a plugboard 1003 for inserting the push handle 14 is arranged in the support plate 15, one end, close to the plugboard 1006 extends into the plugboard, a fan-shaped space is formed by the two connecting columns 1006, and the two fan-shaped connecting columns 1006 are rotatably connected with the two fan-shaped connecting columns 1006 along the two fan-shaped connecting columns 2, and the two fan-shaped connecting columns 1006 are rotatably connected with the two fan-shaped handles 14, and the two fan-shaped handles are rotatably connected along the two connecting columns are rotatably and connected with the two fan-shaped handles respectively, and the two support columns are rotatably arranged along the connecting columns 2. If the angle of the push handle 14 needs to be changed greatly, the armrest is not loosened, the second spring 1002 needs to be kept in a compressed state all the time, and after the second spring is determined, the armrest can be loosened, so that the connecting post 1006 is inserted into the through hole 2. The maximum deflection angle of the push handle 14 towards the frame carrier 1 and away from the frame carrier 1 is determined by the position of the through-hole 2 provided in the scalloped bottom of the push handle 14. A bearing seat matched with the push handle 14 is arranged between the two support plates 15 so as to facilitate the angular rotation of the push handle 14.
The application method of the portable folding emergency rescue handcart comprises the following steps,
step A, when the volume of the needed transportation rescue materials is larger, firstly, the second guardrails 9 are held by hands to pull towards the inserting part 503, the convex parts 507 are pulled out from the notches 508, the stretching rod 502 moves in the cavity, the first springs 505 are extruded along with the movement of the bottom blocks 504 along with the stretching rod 502 due to the blocking of the blocking steps 506, the two second guardrails 9 are rotated towards the surface of the frame carrier 1, so that the two second guardrails 9 are attached to the surface of the frame carrier 1, then the first guardrails 8 are held by hands, and the two first guardrails 8 are rotationally attached to the second guardrails 9 by adopting the synchronous operation;
step B, when the volume of the needed transportation rescue materials is smaller, the first guardrail 8 is pulled firstly, the bottom block 504 rotates in the cavity to drive the stretching rod 502 to rotate, the first spring 505 contracts, the stretching rod 502 is pulled into the telescopic part 501, the convex part 507 is inserted into the corresponding notch 508, the first guardrail 8 is vertically fixed, and then the second guardrail 9 is pulled to vertically fix the second guardrail 9 by adopting the synchronous operation;
step C, when the pushing angle of the push handle 14 needs to be changed, pulling the handrail to drive the rotation of the rotating rod, so that the circular plate 1004 rotates along with the rotation to drive the inserting plate 1005 to rotate, and the two connecting blocks 1003 rotate to the bottom and the bottom of the circular plate 1004 respectively, so that the two connecting columns 1006 are pulled out of the two supporting plates 15 respectively, at the moment, the push handle 14 is rotated, the position of the fan-shaped surface through hole 2 is changed, after the desired angle is reached, the handrail is loosened, and the two connecting columns 1006 are inserted into the gaps of the two supporting plates 15 again through the retraction of the second spring 1002 and penetrate through the through holes 2 to fix the push handle 14;
step D, when the universal wheel 3 and the driving wheel 6 need to be recovered, the first handle 403 is pulled firstly, the telescopic rod 405 is driven to stretch in the upright column 404, the first limiting column 408 is driven to be pulled out of the limiting area, the fixation of the rotating piece 407 is canceled, then the universal wheel 3 is paid off and rotated towards the driving wheel 6, after the universal wheel 3 is attached to the frame carrier 1, the first handle 403 is pulled again, the first limiting column 408 penetrates through the jack 406 to extend into the limiting area formed by the two limiting blocks 409 through the telescopic rod 405, and the universal wheel 3 is fixed;
step E, the second handle 706 is pulled, the lock catch 702 is separated from the lock joint plate 703 by pushing of the hinge plate 705, the shock absorption column 1203 is pushed to move towards the bottom of the frame carrier 1, the second rotating block 1301 rotates on the second rotating shaft 1303, the driving wheel 6 is attached to the bottom of the frame carrier 1, the lock ring 1302 is pulled, fixing of the second rotating block 1301 is canceled, then the second rotating block 1301 can be moved along the length direction of the second rotating shaft 1303, after the movement is finished, the second rotating block 1301 is fixed by using the lock ring 1302 again, the third handle 1101 is pulled in a rotating mode, the second limiting column 1107 is displaced and rotated, the rotation of the stop lever 1106 is driven, the stop lever 1106 is rotated out from between the fixing rod and the mounting block 1102, the second limiting column 1107 is inserted between the two shock absorption columns 1203 by stretching of the third spring 1105, and the driving wheel 6 is fixed;
and F, repeating the step E, and attaching and fixing the other group of driving wheels 6 to the bottom of the frame carrier 1.
The foregoing has outlined and described the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a portable folding emergency rescue handcart which characterized in that: the device comprises a frame carrier (1), two universal wheels (3) and two driving wheels (6) which are arranged at the bottom of the frame carrier (1) and used for driving the frame carrier (1), two first guardrails (8) and two second guardrails (9) which are used for forming a rescue material bearing space are sequentially arranged at intervals along the edge of the surface of the frame carrier (1), and a pushing handle (14) which is arranged on the frame carrier (1) and used for pushing the whole device to move;
the folding mechanism (4) for collecting the universal wheels (3) in a unidirectional rotation manner along the length direction of the frame carrier (1) is arranged on the universal wheels (3), and the folding mechanism for relatively rotating the two driving wheels (6) along the width direction of the bottom of the frame carrier (1) and attaching the two driving wheels to the bottom of the frame carrier (1) is arranged on the frame carrier (1);
the frame carrier (1) is carried on a rugged road through the folding mechanism (4) and the wheel folding mechanism;
the connection parts of the frame carrier (1) and the first guardrail (8) and the second guardrail (9) are respectively provided with a rotary fixing assembly (5) which is used for vertically standing the first guardrail (8) and the second guardrail (9) or is attached to the surface of the frame carrier (1), so that the size of a space for containing rescue materials is changed;
the utility model provides a frame carrier (1) is last to be provided with be used for changing push handle (14) handle end vertical height's high guiding mechanism (10), realize at different angles to frame carrier (1) is promoted, take-up mechanism includes locking component (7), two spacing components (11), first rotation component (12) and second rotation component (13), locking component (7) are including installing supporting shoe (701) with frame carrier (1) bottom, buckling plate (703) are installed to supporting shoe (701) one side, supporting shoe (701) bottom is provided with the backing plate, the backing plate outside is provided with first fixed block (704), first fixed block (704) both sides all install hinge plate (705) outward, hinge plate (705) are two, and are connected with second handle (706) between hinge plate (705), peg graft in hinge plate (705) and have hasp (702), and buckle (702) and buckling plate (703) butt, spacing component (11) including installing in supporting frame (1104) bottom support frame (1), the spacing post (1102) are installed in the second 1107) is run through in supporting frame (1102), extend to braced frame (1104) external connection has third handle (1101), second spacing post (1107) are located one end outside between braced frame (1104) and installation piece (1102) and are provided with third spring (1105), peg graft on second spacing post (1107) have pin (1106), one side in braced frame (1104) to be provided with two fixed posts (1103) that are used for spacing pin (1106) adjacent installation piece (1102), around first rotating subassembly (12) including installing two second fixed blocks (1202) in frame carrier (1) bottom, two be provided with first pivot (1204) between second fixed blocks (1202), be provided with first rotating block (1201) on first pivot (1204), first rotating block (1201) bottom is connected with the backing plate, the backing plate bottom sets up shock-absorbing column (1203) that are used for linking drive wheel (6), second rotating subassembly (13) are including installing two third fixed blocks (1304) in frame carrier (1) bottom, two second rotating subassembly (1303) are provided with first pivot (1301) between the second fixed block (1301), still are provided with second pivot (1301) and are rotated (1301) on the second pivot (1301).
2. A portable folding emergency rescue cart as defined in claim 1, wherein: the folding mechanism (4) comprises a connecting frame (401) connected between a frame carrier (1) and universal wheels (3), wherein the lower end of the connecting frame (401) is hollow and is provided with an opening, two upright posts (404) are arranged on one side of the connecting frame (401), telescopic rods (405) are inserted in the upright posts (404) in an inserting mode, one ends of the telescopic rods (405) extend to the upright posts (404) to be connected with first limit posts (408), one ends of the telescopic rods (405) away from the upright posts (404) to be connected with first handles (403), and the first limit posts (408) penetrate through the upright posts (404) and extend into the connecting frame (401).
3. A portable folding emergency rescue cart as defined in claim 2 wherein: the utility model discloses a connecting frame, including connecting frame (401), stand (404) and connecting frame (401), rotating piece (407) are installed to be close to stand (404) one side, the pedestal is installed to rotating piece (407) one side, be provided with two stopper (409) on the pedestal, two form between stopper (409) to the spacing region that first spacing post (408) was prescribe a limit to, jack (406) with first spacing post (408) looks adaptation have still been seted up on connecting frame (401) surface, and connecting frame (401) bottom is provided with spacing baffle (402) of pedestal rotation.
4. A portable folding emergency rescue cart as defined in claim 1, wherein: the utility model provides a rotatory fixed subassembly (5) sets up to a plurality of, and rotatory fixed subassembly (5) are including installing telescopic portion (501) on frame carrier (1), the cavity has been seted up in telescopic portion (501), be provided with in the cavity and keep off step (506), tensile pole (502) have been inserted in telescopic portion (501), tensile pole (502) extend to in the cavity to be connected with bottom block (504), and tensile pole (502) are located one end outside cover between bottom block (504) and the fender step (506) and are equipped with first spring (505), telescopic portion (501) one end is kept away from to tensile pole (502) is connected with grafting portion (503), grafting portion (503) are a plurality of, and are connected with first guardrail (8) and second guardrail (9) respectively, circumference array that telescopic portion (501) are close to grafting portion (503) one end port department has a plurality of convex parts (507), grafting portion (503) are close to telescopic portion (501) one end port department and are offered breach (508) corresponding with convex part (507) position.
5. A portable folding emergency rescue cart as defined in claim 1, wherein: the frame carrier (1) surface is provided with two backup pads (15), high guiding mechanism (10) set up in two between backup pad (15), high guiding mechanism (10) are including installing in two casing between backup pad (15), connect in the casing and have two spliced poles (1006) that are symmetrical, two spliced pole (1006) keep away from one end mutually all to run through the casing and extend to in backup pad (15), two spliced pole (1006) are located the equal cover in one end outside of casing and are equipped with second spring (1002), and are equipped with fixed ring (1001) spacing to second spring (1002) on spliced pole (1006), the casing outside is pegged graft and is had the bull stick, and the bull stick extends to cavity internal connection have plectrum (1004), install picture peg (1005) on plectrum (1004), two spliced pole (1006) are close to picture peg (1005) one side all be provided with link up piece (1003) that are articulated mutually, set up in backup pad (15) and supply to push away in the space (14) to insert, push away from (14) and be equipped with fan-shaped one end (1005) and extend to a plurality of fan-shaped and follow fan-shaped through-hole (1005) and follow fan-shaped one end (2) and follow equidistant hole (1006).
6. A method of using a portable folding emergency rescue cart according to any one of claims 1 to 5, characterized by: comprises the steps of,
when the volume of the needed transportation rescue materials is large, firstly, the second guardrails (9) are held by hands to be pulled towards one side of the inserting part (503), the convex parts (507) are pulled out of the notches (508) to enable the stretching rods (502) to move in the cavities, the first springs (505) are extruded along with the movement of the bottom blocks (504) along with the stretching rods (502) due to the blocking of the blocking steps (506), the two second guardrails (9) are rotated towards the surface of the frame carrier (1) to enable the two second guardrails (9) to be attached to the surface of the frame carrier (1), then the first guardrails (8) are held by hands, and the two first guardrails (8) are rotationally attached to the second guardrails (9) by adopting the synchronous operation;
when the volume of the needed transportation rescue materials is smaller, the first guardrail (8) is pulled firstly, the bottom block (504) rotates in the cavity to drive the stretching rod (502) to rotate, the first spring (505) contracts, the stretching rod (502) is pulled into the telescopic part (501), the convex part (507) is inserted into the corresponding notch (508), the first guardrail (8) is vertically fixed, and then the second guardrail (9) is pulled to adopt the synchronous operation, so that the second guardrail (9) is vertically fixed;
step (C), when the pushing angle of the pushing handle (14) needs to be changed, pulling the handrail, driving the rotation of the rotating rod, enabling the circular plate (1004) to rotate in a following manner, driving the inserting plate (1005) to rotate, enabling the two connecting blocks (1003) to rotate to the bottom of the circular plate (1004) and the bottom of the circular plate respectively, enabling the two connecting columns (1006) to be pulled out of the two supporting plates (15) respectively, rotating the pushing handle (14) at the moment, changing the position of the fan-shaped surface through hole (2), loosening the handrail after reaching a desired angle, enabling the two connecting columns (1006) to be inserted into gaps of the two supporting plates (15) again through retraction of the second spring (1002), and penetrating through the through holes (2), and fixing the pushing handle (14);
step (D), when the universal wheel (3) and the driving wheel (6) are required to be recovered, the first handle (403) is pulled firstly, the telescopic rod (405) is driven to stretch in the upright post (404), the first limiting column (408) is driven to be pulled out of the limiting area, the fixing of the rotating piece (407) is canceled, then the universal wheel (3) is paid off and rotated towards the driving wheel (6), after the universal wheel (3) is attached to the frame carrier (1), the first handle (403) is pulled again, and the first limiting column (408) penetrates through the jack (406) to extend into the limiting area formed by the two limiting blocks (409) through the telescopic rod (405), so that the universal wheel (3) is fixed;
step (E), the second handle (706) is pulled, the lock catch (702) is separated from the lock catch plate (703) through pushing of the hinge plate (705), the shock absorption column (1203) is pushed to move towards the bottom of the frame carrier (1), the second rotation block (1301) rotates on the second rotation shaft (1303), the driving wheel (6) is attached to the bottom of the frame carrier (1), the lock catch (1302) is pulled, the fixation of the second rotation block (1301) is canceled, then the second rotation block (1301) can be moved along the length direction of the second rotation shaft (1303), after the movement is finished, the lock catch (1302) is used for fixing the second rotation block (1301) again, the third handle (1101) is pulled in a rotating mode, the displacement and rotation of the second limit column (1107) are enabled, the rotation of the stop lever (1106) is enabled, the stop lever (1106) is enabled to rotate out from between the fixed rod and the installation block (1102), the second limit column (1107) is spliced between the two shock absorption columns (1203) through extension of the third spring (1105), and the driving wheel (6) is fixed;
and (F) repeating the step (E) to enable the other group of driving wheels (6) to be attached to the bottom of the frame carrier (1) and then fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210820695.2A CN115107842B (en) | 2022-07-13 | 2022-07-13 | Portable folding emergency rescue trolley and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210820695.2A CN115107842B (en) | 2022-07-13 | 2022-07-13 | Portable folding emergency rescue trolley and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115107842A CN115107842A (en) | 2022-09-27 |
| CN115107842B true CN115107842B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210820695.2A Active CN115107842B (en) | 2022-07-13 | 2022-07-13 | Portable folding emergency rescue trolley and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791764A (en) * | 2003-04-30 | 2006-06-21 | 马修·高列斯 | Collapsible supporting structure |
| KR101309226B1 (en) * | 2012-05-15 | 2013-09-16 | 주식회사 에스엔씨케어 | Hand cart |
| CN105151096A (en) * | 2015-09-30 | 2015-12-16 | 西华大学 | Handrail type transport cart for emergency rescue equipment |
| WO2016015652A1 (en) * | 2014-07-29 | 2016-02-04 | 苏州宝时得电动工具有限公司 | Wheelbarrow |
| WO2021189773A1 (en) * | 2020-03-24 | 2021-09-30 | 广东顺和工业有限公司 | Platform truck with foldable caster unit |
| CN215553244U (en) * | 2021-05-19 | 2022-01-18 | 济南萨博特种汽车有限公司 | Earthquake rescue carrying cart |
-
2022
- 2022-07-13 CN CN202210820695.2A patent/CN115107842B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791764A (en) * | 2003-04-30 | 2006-06-21 | 马修·高列斯 | Collapsible supporting structure |
| KR101309226B1 (en) * | 2012-05-15 | 2013-09-16 | 주식회사 에스엔씨케어 | Hand cart |
| WO2016015652A1 (en) * | 2014-07-29 | 2016-02-04 | 苏州宝时得电动工具有限公司 | Wheelbarrow |
| CN105151096A (en) * | 2015-09-30 | 2015-12-16 | 西华大学 | Handrail type transport cart for emergency rescue equipment |
| WO2021189773A1 (en) * | 2020-03-24 | 2021-09-30 | 广东顺和工业有限公司 | Platform truck with foldable caster unit |
| CN215553244U (en) * | 2021-05-19 | 2022-01-18 | 济南萨博特种汽车有限公司 | Earthquake rescue carrying cart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115107842A (en) | 2022-09-27 |
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