CN212450507U - Rack and pinion formula fork barrier cleaning device of rescue car - Google Patents
Rack and pinion formula fork barrier cleaning device of rescue car Download PDFInfo
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- CN212450507U CN212450507U CN202021040126.9U CN202021040126U CN212450507U CN 212450507 U CN212450507 U CN 212450507U CN 202021040126 U CN202021040126 U CN 202021040126U CN 212450507 U CN212450507 U CN 212450507U
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Abstract
The utility model relates to a rack and pinion formula fork obstacles removing device that stretches out and draws back of rescue car belongs to rescue vehicle equipment technical field that speedily carries out rescue work. Including flexible fork mechanism, the fork frame assembly is equipped with through the fork truck portal to the fork truck driver's cabin front end of two-way rescue car that traveles, fork frame assembly front end is the symmetry form and installs flexible fork mechanism, the flexible fork barrier removal device of rack and pinion formula of this rescue car, moreover, the steam generator is simple in structure, high durability and convenient use, flexible barrier removal fork through rack and pinion formula, can effectual reduction put in order the length of car, improve the pleasing to the eye of vehicle appearance, can be quick clear away the barrier operation when clearing away the barrier thing, it is also very convenient to use in the less dangerous situation scene in space on every side, the efficiency of effectual improvement barrier removal, can also increase the rescue time simultaneously, the car that especially adapted two-way travel uses.
Description
Technical Field
The utility model relates to a rack and pinion formula fork obstacles removing device that stretches out and draws back of rescue car belongs to rescue vehicle equipment technical field that speedily carries out rescue work.
Background
In the fire emergency rescue process, on-site rescue work often requires a fire truck, an obstacle clearing truck, a crane and other vehicles to be matched for use so as to smoothly complete tasks; however, in a fire dangerous situation site with a small surrounding space, a fire truck, an obstacle clearing truck and the like are difficult to enter a fire dangerous area due to large truck bodies, and when the fire dangerous situation with the small surrounding space is faced, the fire truck is very difficult to enter and exit and turn around, so that precious rescue time is wasted, and therefore a fire rescue truck running in two directions is needed; the obstacle clearing arm mechanism of the existing fire-fighting rescue vehicle is arranged at the driving front end of a forklift, the obstacle clearing arm is stored in an upwards-turned state, the obstacle clearing arm is turned into a turned shape, so that one part of the obstacle clearing arm is protruded, the length of the whole vehicle is increased, the appearance is attractive, the obstacle clearing arm is inconvenient to use in a small dangerous situation site in the surrounding space, the obstacle clearing work efficiency is reduced, and therefore the obstacle clearing arm mechanism is necessary to be improved.
Disclosure of Invention
The utility model aims to provide a: the gear-rack type telescopic fork obstacle clearing device of the rescue vehicle is simple in structure and convenient to use, can effectively improve obstacle clearing efficiency and strive for valuable rescue time for a dangerous situation site with small surrounding space.
The technical scheme of the utility model is that:
the utility model provides a rack and pinion formula fork obstacles removing device that rescue car, includes flexible fork mechanism, its characterized in that: the front end of a forklift cab of the bidirectional-driving rescue vehicle is provided with a fork frame assembly through a forklift gantry, the front end of the fork frame assembly is symmetrically provided with telescopic fork mechanisms, each telescopic fork mechanism comprises an assembly frame, a sliding sleeve, a barrier clearing fork and a driving motor, the assembly frame is provided with the driving motor, the assembly frame below the driving motor is provided with a middle chain wheel group through a rotating shaft, the middle chain wheel group comprises a transition chain wheel A and a transition chain wheel B, and the driving motor is connected with the transition chain wheel A through the driving chain wheel and a chain A; the assembly frame below the middle chain wheel set is provided with an adjusting chain wheel set through a rotating shaft, the adjusting chain wheel set is composed of a transition chain wheel C and a driving adjusting chain wheel, the transition chain wheel C is in installation connection with the transition chain wheel B through a chain B, the assembly frame below the adjusting chain wheel set is provided with a barrier removing fork through a sliding sleeve, the upper surface of the barrier removing fork is provided with pin teeth along the axial direction of the barrier removing fork, and the adjusting chain wheel set is meshed with the pin teeth of the barrier removing fork.
The forklift mast comprises an inner mast and an outer mast, the inner mast is arranged on the inner side of the outer mast, an inner track of the outer mast is arranged on the inner side of the outer mast, an outer idler wheel of the inner mast is arranged on the outer side of the inner mast, the inner mast is assembled in the inner track of the outer mast through the outer idler wheel of the inner mast, an inner track of the inner mast is arranged on the inner side of the inner mast, and the inner track of the inner mast is connected with the fork carriage assembly in a sliding mode.
The support of the lower part of the outer side portal frame is symmetrically provided with lifting oil cylinders, and piston rods at the upper ends of the lifting oil cylinders are connected with the inner side portal frame.
The rear side of the outer side door frame is symmetrically provided with inclined oil cylinders, one ends of the inclined oil cylinders are hinged to the outer side door frame, and the other ends of the inclined oil cylinders are hinged to an automobile chassis of the bidirectional driving rescue vehicle.
The upper end of the inner side portal frame is symmetrically provided with a chain wheel, a chain C is connected to the chain wheel, one end of the chain C is connected with the outer side portal frame, and the other end of the chain C is connected with the fork frame assembly.
The utility model has the advantages that:
this flexible fork barrier removing device of rack and pinion formula of rescue car, moreover, the steam generator is simple in structure, high durability and convenient use, flexible barrier removing fork through rack and pinion formula, the barrier removing fork stretches out and the transmission efficiency height of the flexible fork of removing barrier of shrink in-process, can also the length of the whole car of effectual reduction, improve the pleasing to the eye of vehicle appearance, can be quick in the face of the operation of removing barrier when removing the barrier, the less dangerous situation site-use in space is also very convenient around, the efficiency of the effectual improvement barrier removing, can also increase the rescue time simultaneously, the car that especially adapted two-way travel uses.
Description of the drawings:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic front view of the telescopic fork mechanism of the present invention;
FIG. 3 is a schematic view of the obstacle clearing fork of the present invention after it is retracted;
fig. 4 is a schematic structural view of a barrier clearing fork in the prior art after being contracted.
In the figure: 1. fork frame assembly, 2, inboard portal, 3, outside portal, 4, lift cylinder, 5, slope cylinder, 6, assembly jig, 7, sliding sleeve, 8, obstacles removing fork, 9, driving motor, 10, driving sprocket, 11, transition sprocket A, 12, transition sprocket B, 13, transition sprocket C, 14, drive adjusting sprocket, 15, chain A, 16, chain B, 17, chain C, 18, pin tooth, 19, dog.
Detailed Description
The rack and pinion type telescopic fork obstacle clearing device of the rescue vehicle comprises a telescopic fork mechanism, wherein a fork frame assembly 1 is arranged at the front end of a forklift cab of the bidirectional driving rescue vehicle through a forklift gantry, the forklift gantry comprises an inner side gantry 2 and an outer side gantry 3, and the inner side gantry 2 is arranged on the inner side of the outer side gantry 3 and moves up and down along the outer side gantry 3; the inner side of the outer side portal frame 3 is provided with an outer portal frame inner track, the outer side of the inner side portal frame 2 is provided with an inner portal frame outer roller wheel, the inner side portal frame 2 is assembled in the outer portal frame inner track through the inner portal frame outer roller wheel, the outer portal frame inner track of the outer side portal frame 3 has a guiding effect on the inner side portal frame 2, the inner side of the inner side portal frame 2 is provided with an inner portal frame inner track, the inner portal frame inner track is in sliding connection with the fork frame assembly 1, and in work, the fork frame assembly 1 can be lifted and displaced along the inner portal frame.
Lifting oil cylinders 4 are symmetrically arranged on a support at the lower part of the outer side portal frame 3, the lifting oil cylinders 4 are powered by a hydraulic workstation of a bidirectional traveling rescue vehicle, a piston rod at the upper end of each lifting oil cylinder 4 is connected with the inner side portal frame 2, and in work, the piston rod of each lifting oil cylinder 4 drives the inner side portal frame 2 to ascend or descend along an inner track of the outer portal frame of the outer side portal frame 3.
The upper end of the inner side portal frame 2 is symmetrically and movably provided with a chain wheel, the chain wheel is connected with a chain C17, one end of the chain C17 is connected with the outer side portal frame 3, the other end of the chain C17 is connected with the fork frame assembly 1, and in work, when the inner side portal frame 2 ascends or descends, the inner side portal frame 2 drives the fork frame assembly 1 to ascend or descend synchronously through the cooperation of the chain wheel and the chain C17.
The rear side of the outer side portal frame 3 is symmetrically provided with inclined oil cylinders 5, the inclined oil cylinders 5 are powered by a hydraulic workstation of the bidirectional traveling rescue vehicle, one end of each inclined oil cylinder 5 is hinged to the outer side portal frame 3, the other end of each inclined oil cylinder is hinged to an automobile chassis, and the angle of each forklift portal frame can be adjusted through a piston rod of each inclined oil cylinder 5 during work.
The front end of the fork frame assembly 1 is symmetrically provided with telescopic fork mechanisms, each telescopic fork mechanism comprises an assembly frame 6, a sliding sleeve 7, a barrier clearing fork 8 and a driving motor 9, the assembly frame 6 is fixedly arranged on the fork frame assembly 1 through bolts, the assembly frame 6 is fixedly provided with the driving motor 9, the driving motor 9 is powered by a generator of a bidirectional driving rescue vehicle, the assembly frame 6 below the driving motor 9 is provided with a middle chain wheel group through a rotating shaft, the middle chain wheel group is a double-row chain wheel, the middle chain wheel group comprises a transition chain wheel A11 and a transition chain wheel B12, the driving motor 9 is connected with the transition chain wheel A11 through a driving chain wheel 10 and a chain A15 in an installation manner, the driving motor 9 drives the driving chain wheel 10 to rotate, the driving chain wheel 10 drives the transition chain wheel A11 of the middle chain wheel group to rotate through the chain A15, and the transition chain wheel A11 drives the transition chain wheel B12 to synchronously rotate when rotating.
Be provided with the regulation sprocket group through the pivot on the assembly jig 6 of middle sprocket group below, the regulation sprocket group is double sprocket, the regulation sprocket group comprises transition sprocket C13 and drive adjusting sprocket 14, transition sprocket C13 passes through chain B16 erection joint with transition sprocket B12, in operation, when transition sprocket B12 takes place to rotate, transition sprocket B12 passes through chain B16 and drives transition sprocket C13 and take place to rotate, transition sprocket C13 takes place to rotate when synchronous drive adjusting sprocket 14 takes place to rotate.
There is obstacle clearing fork 8 on the assembly jig 6 of regulation sprocket group below through sliding sleeve 7 slidable mounting, obstacle clearing fork 8 is collapsible to vehicle chassis's below, obstacle clearing fork 8 upper surface is provided with round pin tooth 18 along its axial, drive adjusting sprocket 14 meshes with the round pin tooth 18 of obstacle clearing fork 8, in operation, when drive adjusting sprocket 14 takes place to rotate, through the meshing of round pin tooth 18 of drive adjusting sprocket 14 with obstacle clearing fork 8, synchronous drive obstacle clearing fork 8 takes place on sliding sleeve 7 and removes left or right, the terminal both sides of obstacle clearing fork 8 are provided with dog 19, dog 19 and sliding sleeve 7 active contact, it is excessive to prevent that obstacle clearing fork 8 from sliding on sliding sleeve 7.
When the device is used, firstly, the obstacle clearing fork 8 needs to extend out of the lower portion of an automobile chassis, the driving chain wheel 10 is driven to rotate anticlockwise through the driving motor 9, the driving chain wheel 10 drives the transition chain wheel A11 and the transition chain wheel B12 to synchronously rotate anticlockwise through the chain A15, the transition chain wheel B12 drives the transition chain wheel C13 and the driving adjusting chain wheel 14 to synchronously rotate anticlockwise through the chain B16, the driving adjusting chain wheel 14 is meshed with pin teeth 18 of the obstacle clearing fork 8, when the driving adjusting chain wheel 14 rotates anticlockwise, the obstacle clearing fork 8 is driven to displace rightwards on the sliding sleeve 7, and after the obstacle clearing fork 8 moves in place, the driving motor 9 is stopped, so that the obstacle clearing fork 8 can extend out of the lower portion of the automobile chassis, and the sliding direction of the obstacle clearing fork 8 can be adjusted by changing the forward and reverse rotation of the driving motor 9.
After the obstacle clearing fork 8 extends out, the piston rod of the lifting oil cylinder 4 drives the inner side portal frame 2 to ascend in an outer portal frame inner track of the outer side portal frame 3, when the inner side portal frame 2 ascends, the inner side portal frame 2 drives the fork frame assembly 1 to ascend synchronously through the cooperation of a chain wheel and a chain C17, the fork frame assembly 1 drives the obstacle clearing fork 8 of the telescopic fork mechanism to ascend synchronously, and the fork truck cab is matched to control the movement of the truck, so that the obstacle clearing fork can move or carry out fork moving, pushing, stacking and transferring operations on obstacles.
This flexible fork barrier removing device of rack and pinion formula of rescue car, simple structure, convenient to use, through the flexible barrier removing fork of rack and pinion formula, can the effectual length that reduces whole car, improve the pleasing to the eye of vehicle appearance, can be quick when clearing away the barrier work, the less dangerous situation site-use in space around is also very convenient, the efficiency of effectual improvement barrier removing can also increase the rescue time simultaneously, and the car that especially adapted two-way traveles uses.
Claims (2)
1. A barrier clearing device for a rack and pinion type telescopic fork of a rescue vehicle comprises a telescopic fork mechanism, wherein a fork frame assembly (1) is mounted at the front end of a forklift cab of the bidirectional-driving rescue vehicle through a forklift gantry, the telescopic fork mechanism is symmetrically mounted at the front end of the fork frame assembly (1), the telescopic fork mechanism consists of an assembly frame (6), a sliding sleeve (7), a barrier clearing fork (8) and a driving motor (9), the assembly frame (6) below the driving motor (9) is provided with a middle chain wheel group through a rotating shaft, the middle chain wheel group consists of a transition chain wheel A (11) and a transition chain wheel B (12), and the driving motor (9) is connected with the transition chain wheel A (11) through a driving chain wheel (10) and a chain A (15); an adjusting chain wheel set is arranged on the assembly frame (6) below the middle chain wheel set through a rotating shaft, the adjusting chain wheel set is composed of a transition chain wheel C (13) and a driving adjusting chain wheel (14), the transition chain wheel C (13) is connected with a transition chain wheel B (12) through a chain B (16), an obstacle clearing fork (8) is arranged on the assembly frame (6) below the adjusting chain wheel set through a sliding sleeve (7), pin teeth (18) are arranged on the upper surface of the obstacle clearing fork (8) along the axial direction of the obstacle clearing fork, and the adjusting chain wheel set is meshed with the pin teeth (18) of the obstacle clearing fork (8); the method is characterized in that: the forklift gantry comprises an inner gantry (2) and an outer gantry (3), the inner gantry (2) is arranged on the inner side of the outer gantry (3), an outer gantry inner track is arranged on the inner side of the outer gantry (3), an inner gantry outer roller is arranged on the outer side of the inner gantry (2), the inner gantry (2) is assembled in the outer gantry inner track through the inner gantry outer roller, an inner gantry inner track is arranged on the inner side of the inner gantry (2), and the inner gantry inner track is in sliding connection with the fork frame assembly (1); lifting oil cylinders (4) are symmetrically arranged on a support at the lower part of the outer side portal frame (3), and piston rods at the upper ends of the lifting oil cylinders (4) are connected with the inner side portal frame (2); inclined oil cylinders (5) are symmetrically arranged on the rear side of the outer side door frame (3), one end of each inclined oil cylinder (5) is hinged to the outer side door frame (3), and the other end of each inclined oil cylinder is hinged to an automobile chassis of the two-way driving rescue vehicle; the upper end of the inner side portal frame (2) is symmetrically provided with a chain wheel, the chain wheel is connected with a chain C (17), one end of the chain C (17) is connected with the outer side portal frame (3), and the other end of the chain C (17) is connected with the fork frame assembly (1).
2. The rack and pinion type telescopic fork obstacle clearing device of the rescue vehicle as claimed in claim 1, characterized in that: the both sides of the tail end of the obstacle removing fork are provided with check blocks, and the check blocks are in movable contact with the sliding sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021040126.9U CN212450507U (en) | 2020-06-09 | 2020-06-09 | Rack and pinion formula fork barrier cleaning device of rescue car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021040126.9U CN212450507U (en) | 2020-06-09 | 2020-06-09 | Rack and pinion formula fork barrier cleaning device of rescue car |
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| Publication Number | Publication Date |
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| CN212450507U true CN212450507U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021040126.9U Active CN212450507U (en) | 2020-06-09 | 2020-06-09 | Rack and pinion formula fork barrier cleaning device of rescue car |
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| CN (1) | CN212450507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044769A (en) * | 2021-04-12 | 2021-06-29 | 劢微机器人科技(深圳)有限公司 | Omnidirectional forklift attachment and forklift |
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2020
- 2020-06-09 CN CN202021040126.9U patent/CN212450507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044769A (en) * | 2021-04-12 | 2021-06-29 | 劢微机器人科技(深圳)有限公司 | Omnidirectional forklift attachment and forklift |
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