CN112277812A - Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof - Google Patents
Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof Download PDFInfo
- Publication number
- CN112277812A CN112277812A CN202011186313.2A CN202011186313A CN112277812A CN 112277812 A CN112277812 A CN 112277812A CN 202011186313 A CN202011186313 A CN 202011186313A CN 112277812 A CN112277812 A CN 112277812A
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- connecting rod
- rack
- stage step
- drive
- commercial vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/007—Removable steps or ladders, e.g. foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/02—Retractable steps or ladders, e.g. movable under shock
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- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention relates to the field of commercial vehicles and discloses an electric getting-on step of a commercial vehicle, which comprises a first-stage step, wherein a rack is fixedly arranged below the first-stage step, a second-stage step and a third-stage step are sequentially arranged below the rack, the upper ends of two first connecting rods are hinged to two sides of the middle part of the rack, the lower ends of the two first connecting rods are hinged to two sides of the rear end of the second-stage step, the upper ends of the two second connecting rods are hinged to two sides of the front end of the second-stage step, the middle ends of the two second connecting rods are hinged to two sides of the middle end of the second-stage step, the lower ends of the two third connecting rods are hinged to two sides of the front end of the second-stage step, the lower ends. The invention also discloses an installation structure and a telescopic method of the electric getting-on step of the commercial vehicle. The electric getting-on step of the commercial vehicle, the mounting structure and the telescopic method thereof can ensure the convenience of getting on and off the vehicle for passengers and the trafficability of the whole vehicle.
Description
Technical Field
The invention relates to the field of commercial vehicles, in particular to an electric getting-on step of a commercial vehicle, an installation structure and a telescopic method thereof.
Background
At present, commercial dump trucks at home and abroad need to arrange boarding steps for passengers to get on and off due to higher ground clearance of a cab. The daily operating mode of going of vehicle is abominable relatively, in order to avoid appearing cutting the rubbing problem to pieces, all has higher trafficability characteristic requirement, so the one-level liftoff height of marking time is higher relatively to lead to passenger to get on or off the bus seriously inconveniently, even more the person appears the tumble injury accident. In order to solve the problem, the lowest stage of the dumper of the existing domestic and foreign brands adopts a hanging type structure, the arrangement can properly reduce the height above the ground of the pedal, the convenience of passengers to get on or off the vehicle is improved, and the hanging type structure can ensure the vehicle passing performance through the front-back swing in the driving process.
However, the hanging structure can swing back and forth, so that the passengers are easy to shake when trampling when getting on or off the vehicle, and certain potential safety hazards exist; and because the working condition of the dump truck is severe, although the passing performance of the suspension type structure can be ensured, the problem of scraping and rubbing is still easy to occur, the structure is damaged, and the convenience of passengers getting on and off the dump truck is finally influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an electric getting-on step of a commercial vehicle, a mounting structure and a telescopic method thereof, which can ensure the convenience of getting on and off of passengers and the trafficability of the whole vehicle.
In order to achieve the purpose, the commercial vehicle electric getting-on step designed by the invention comprises a first-stage step, a rack is fixedly arranged below the first-stage step, a second-stage step, a third-stage step and a connecting rod group for connecting the second-stage step and the third-stage step to the lower part of the rack are sequentially arranged below the rack, the connecting rod group comprises two symmetrical first connecting rods, two symmetrical second connecting rods and two symmetrical third connecting rods, the upper ends of the two first connecting rods are respectively hinged to two sides of the middle part of the rack, the lower ends of the two first connecting rods are respectively hinged to two sides of the rear end of the second-stage step, the upper ends of the two second connecting rods are respectively hinged to two sides of the front end of the rack, the middle ends of the two second connecting rods are respectively hinged to two sides of the middle end of the second-stage step, the lower ends of the two third connecting rods, the lower ends of the three-stage steps are respectively hinged to two sides of the middle end of the three-stage step, and a driving device for driving one first connecting rod to rotate around a hinged point of the first connecting rod on the rack is arranged on the rack.
Preferably, the driving device comprises a driving gear installed on the frame, the driving gear is engaged with a driving motor, a driving arm is installed on a side surface of the driving gear, the other end of the driving arm is hinged with a fourth connecting rod, and the other end of the fourth connecting rod is hinged with the middle part of the first connecting rod.
Preferably, the driving device is connected with a control device, and the control device is connected with a vehicle door opening and closing monitoring device for monitoring the opening and closing of a vehicle door of a cab.
Preferably, the driving motor is connected with a control device, and the control device is connected with a vehicle door opening and closing monitoring device for monitoring the opening and closing of a vehicle door of a cab.
Preferably, the drive arm is connected to a manually operated lever.
The utility model provides a mounting structure that commercial car electric getting on bus was marked time, one-level is marked time fixed mounting and is in driver's cabin door below, when second grade was marked time and tertiary was marked time and is stretched out, tertiary is marked time terrain clearance and is less than 500mm, when second grade was marked time and tertiary was marked time shrink, tertiary is marked time terrain clearance and is greater than 700 mm.
When the commercial vehicle electric getting-on step needs to extend out, the driving device is started to drive the first connecting rod to rotate around the hinge point of the first connecting rod on the rack, so that the first connecting rod extends out to drive the second step to extend out relative to the rack, so that the second connecting rod rotates around the hinge point of the second connecting rod on the second step to drive the third step to extend outwards relative to the second step and to be contracted, the first connecting rod is driven to rotate around a hinge point of the first connecting rod on the rack through the reverse movement of the driving device, so that the first connecting rod is retracted inwards to drive the secondary steps to retract inwards relative to the rack, and then the second connecting rod rotates around the hinge point of the second connecting rod on the second step to drive the third step to contract inwards relative to the second step.
Preferably, the driving device comprises a driving gear installed on the rack, the driving gear is meshed with a driving motor, a driving arm is installed on the side face of the driving gear, the other end of the driving arm is hinged to a fourth connecting rod, the other end of the fourth connecting rod is hinged to the middle of the first connecting rod, the driving motor rotates to drive the driving gear to rotate, and then the driving arm is driven to rotate around an assembling point of the driving arm on the driving gear, the driving arm pulls the fourth connecting rod, and finally the first connecting rod is driven to rotate around a hinged point of the first connecting rod on the rack.
Preferably, drive arrangement even has controlling means, controlling means even has the monitoring the door switching monitoring devices of driver's cabin door switching, works as when door switching monitoring devices monitors the door and opens, controlling means drive arrangement moves, finally makes second grade is marked time and tertiary and is marked time and stretch out, works as when door switching monitoring devices monitors the door and closes, controlling means drive arrangement moves, finally makes second grade is marked time and tertiary and is marked time the shrink.
Preferably, the driving arm is connected with a manual operating rod, and the driving arm is driven to rotate by the manual operating rod, and finally the first connecting rod is driven to rotate around a hinge point of the first connecting rod on the machine frame.
Compared with the prior art, the invention has the following advantages:
1. the convenience of getting on and off of passengers can be ensured, and the trafficability of the whole vehicle can be ensured;
2. the expansion and the closing of the vehicle door are linked, so that the operation is convenient and fast;
3. manual operation and control are supported, so that the condition that the automobile cannot be used in an accident situation is avoided, and the hidden danger of driving is avoided;
4. the telescopic steps are connected by adopting a four-bar mechanism, the extension height and the length of the steps can be adjusted, and the telescopic pedal is suitable for different heights of the whole vehicle.
Drawings
FIG. 1 is a schematic structural view of an electric getting-on step of a commercial vehicle according to the present invention;
FIG. 2 is a schematic view of an installation structure of the electric getting-on step of the commercial vehicle of the invention;
FIG. 3 is a schematic structural view of the electric getting-on step of the commercial vehicle according to the present invention.
The components in the figures are numbered as follows:
the first-stage step 1, the rack 2, the second-stage step 3, the third-stage step 4, the first connecting rod 5, the second connecting rod 6, the third connecting rod 7, the driving device 8, the driving gear 9, the driving arm 10 and the fourth connecting rod 11.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in figures 1, 2 and 3, the electric getting-on step of the commercial vehicle comprises a first-stage step 1, a frame 2 is fixedly arranged below the first-stage step 1, a second-stage step 3, a third-stage step 4 and a connecting rod group for connecting the second-stage step 3 and the third-stage step 4 to the lower part of the frame 2 are sequentially arranged below the frame 2, the connecting rod group comprises two symmetrical first connecting rods 5, two symmetrical second connecting rods 6 and two symmetrical third connecting rods 7, the upper ends of the two first connecting rods 5 are respectively hinged to two sides of the middle part of the frame 2, the lower ends of the two first connecting rods 5 are respectively hinged to two sides of the rear end of the second-stage step 3, the upper ends of the two second connecting rods 6 are respectively hinged to two sides of the front end of the frame 2, the middle ends of the two second-stage step 3 are respectively hinged to two sides of the middle end of the third-, the lower ends of the three steps are respectively hinged with the two sides of the middle end of the three-stage step 4, and a driving device 8 for driving one first connecting rod 5 to rotate around the hinged point of the first connecting rod on the rack 2 is arranged on the rack 2.
When the installation of this embodiment commercial car electronic getting on the bus is marked time, as shown in fig. 2, 1 fixed mounting is marked time in the driver's cabin door below to the one-level, and when 2 and the tertiary 4 of marking time of second grade were marked time and were stretched out, 4 terrain clearance of tertiary marking time was less than 500mm, and when 2 and the tertiary 4 shrink of marking time of second grade were marked time, 4 terrain clearance of tertiary marking time was greater than 700 mm.
In addition, when this embodiment commercial car electric getting on the bus is stepped on and is used: when the two-stage stepping motor needs to extend, the driving device 8 is started, the first connecting rod 5 is driven to rotate around the hinge point of the first connecting rod 5 on the rack 2, the first connecting rod 5 is made to extend outwards, the second-stage stepping 3 is driven to extend outwards relative to the rack 2, the second connecting rod 6 is further driven to rotate around the hinge point of the second-stage stepping 3, the third-stage stepping 4 is driven to extend outwards relative to the second-stage stepping 3, when the two-stage stepping motor needs to retract, the combination is shown in a combined view 3, the first connecting rod 5 is driven to rotate around the hinge point of the first connecting rod 5 on the rack 2 through reverse motion of the driving device 8, the first connecting rod 5 is made to retract inwards, the second-stage stepping 3 is driven to retract relative to the rack 2, the second connecting rod 6 is further driven.
In the second embodiment, the driving device 8 includes a driving gear 9 mounted on the frame 2, the driving gear 9 is engaged with a driving motor, a driving arm 10 is mounted on a side surface of the driving gear 9, the other end of the driving arm 10 is hinged to a fourth connecting rod 11, the other end of the fourth connecting rod 11 is hinged to the middle of the first connecting rod 5, the driving motor rotates to drive the driving gear 9 to rotate, so as to drive the driving arm 10 to rotate around the mounting point of the driving arm on the driving gear 9, and the driving arm 10 pulls the fourth connecting rod 11 to finally drive the first connecting rod 5 to rotate around the hinge point of the first connecting rod on the frame.
In the third embodiment, the driving device 8 is connected with a control device, the control device is connected with a door opening and closing monitoring device for monitoring the opening and closing of a door of a cab, when the door opening and closing monitoring device monitors that the door is opened, the control device drives the driving device 8 to operate, and finally the second-stage stepping step 3 and the third-stage stepping step 4 extend out, and when the door opening and closing monitoring device monitors that the door is closed, the control device drives the driving device 8 to operate, and finally the second-stage stepping step 3 and the third-stage stepping step 4 contract.
In the fourth embodiment, the driving arm 10 is connected to a manual operating rod, and the driving arm 10 is driven to rotate by the manual operating rod, and finally the first connecting rod 5 is driven to rotate around the hinge point of the first connecting rod on the frame 2.
In addition, in the second embodiment, the driving motor may be connected to a control device, the control device may be connected to a door opening and closing monitoring device that monitors opening and closing of the door of the cab, when the door opening and closing monitoring device monitors that the door is opened, the control device drives the driving motor to operate, and finally the second-stage step 3 and the third-stage step 4 extend, and when the door opening and closing monitoring device monitors that the door is closed, the control device drives the driving motor to operate, and finally the second-stage step 3 and the third-stage step 4 contract.
The electric getting-on step of the commercial vehicle, the mounting structure and the telescopic method thereof can ensure the convenience of getting on and off the vehicle for passengers and the trafficability of the whole vehicle; the expansion and contraction are linked with the opening and closing of the vehicle door, so that the operation is convenient and fast; in addition, manual operation and control are supported, so that the condition that the automobile cannot be used in an accident situation is avoided, and the hidden danger of driving is avoided; in the invention, the telescopic steps are connected by adopting a four-bar mechanism, the extending height and the length of the steps can be adjusted, and the telescopic pedal is suitable for different vehicle heights.
Claims (10)
1. The utility model provides an electronic getting on bus of commercial car is marked time, includes that the one-level marks time (1), its characterized in that: the lower part of the first-stage step (1) is fixedly provided with a rack (2), a second-stage step (3), a third-stage step (4) and a connecting rod group connecting the second-stage step (3) and the third-stage step (4) to the lower part of the rack (2) are sequentially arranged below the rack (2), the connecting rod group comprises two symmetrical first connecting rods (5), two symmetrical second connecting rods (6) and two symmetrical third connecting rods (7), the upper ends of the two first connecting rods (5) are respectively hinged to the two sides of the middle part of the rack (2), the lower ends of the two first connecting rods (5) are respectively hinged to the two sides of the rear end of the second-stage step (3), the upper ends of the two second connecting rods (6) are respectively hinged to the two sides of the front end of the rack (2), the middle ends of the two second connecting rods are respectively hinged to the two sides of the middle end of the second-, the upper ends of the two third connecting rods () are respectively hinged to two sides of the front end of the second-stage step (3), the lower ends of the two third connecting rods () are respectively hinged to two sides of the middle end of the third-stage step (4), and a driving device (8) for driving one first connecting rod (5) to rotate around a hinged point of the first connecting rod (5) on the rack (2) is arranged on the rack (2).
2. The commercial vehicle electric getting-on step of claim 1, characterized in that: drive arrangement (8) are including installing drive gear (9) on frame (2), drive gear (9) interlock has driving motor, be equipped with actuating arm (10) on the side of drive gear (9), the other end of actuating arm (10) articulates there is fourth connecting rod (11), the other end of fourth connecting rod (11) articulates the middle part of first connecting rod (5).
3. The commercial vehicle electric getting-on step of claim 1, characterized in that: the driving device (8) is connected with a control device, and the control device is connected with a vehicle door opening and closing monitoring device for monitoring the opening and closing of a vehicle door of a cab.
4. The commercial vehicle electric getting-on step of claim 2, characterized in that: the driving motor is connected with a control device, and the control device is connected with a vehicle door opening and closing monitoring device for monitoring the opening and closing of a vehicle door of a cab.
5. The commercial vehicle electric getting-on step of claim 2, characterized in that: the driving arm (10) is connected with a manual operating rod.
6. The mounting structure of the electric getting-on step of the commercial vehicle as claimed in claim 1, wherein: one-level is marked time (1) fixed mounting and is being in driver's cabin door below, when second grade (2) and third grade (4) are marked time and are stretched out, third grade (4) terrain clearance is less than 500mm, when second grade (2) and third grade (4) are marked time and are contracted, third grade (4) terrain clearance of marking time is greater than 700 mm.
7. The method for extending and retracting the electric getting-on step of the commercial vehicle as claimed in claim 1, wherein: when the pedal needs to extend out, the driving device (8) is started to drive the first connecting rod (5) to rotate around a hinge point of the first connecting rod on the rack (2), so that the first connecting rod (5) extends out to drive the second-stage step (3) to extend out relative to the rack (2), and further the second connecting rod (6) rotates around a hinge point of the second-stage step (3), so as to drive the third-stage step (4) to extend out relative to the second-stage step (3), and when the pedal needs to retract, the driving device (8) moves in the opposite direction to drive the first connecting rod (5) to rotate around a hinge point of the first connecting rod on the rack (2), so that the first connecting rod (5) retracts inwards, the second-stage step (3) is driven to retract inwards relative to the rack (2), and further the second connecting rod (6) rotates around a hinge point of the second connecting rod on the second-stage step (3), the third-stage step (4) is driven to contract inwards relative to the second-stage step (3).
8. The method for extending and retracting the electric step of a commercial vehicle as claimed in claim 7, wherein: drive arrangement (8) are including installing drive gear (9) on frame (2), drive gear (9) interlock has driving motor, be equipped with drive arm (10) on the side of drive gear (9), the other end of drive arm (10) articulates there is fourth connecting rod (11), the other end of fourth connecting rod (11) articulates the middle part of first connecting rod (5), driving motor rotates, drives drive gear (9) rotate, and then drive arm (10) around it is in the assembly point on drive gear (9) rotates, drive arm (10) pulling fourth connecting rod (11), final drive first connecting rod (5) are located around it the pin joint rotation on frame (2).
9. The method for extending and retracting the electric step of a commercial vehicle as claimed in claim 7, wherein: drive arrangement (8) even has controlling means, controlling means even has the monitoring the door switching monitoring devices of driver's cabin door switching, works as when door switching monitoring devices monitors the door and opens, controlling means drive arrangement (8) operation finally makes second grade (3) of marking time and tertiary (4) of marking time stretch out, works as when door switching monitoring devices monitors the door and closes, controlling means drive arrangement (8) operation finally makes second grade (3) of marking time and tertiary (4) of marking time shrink.
10. The method for extending and retracting the electric step of a commercial vehicle as claimed in claim 8, wherein: the driving arm (10) is connected with a manual operating rod, the driving arm (10) is driven to rotate through the manual operating rod, and finally the first connecting rod (5) is driven to rotate around a hinge point of the first connecting rod on the rack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186313.2A CN112277812A (en) | 2020-10-30 | 2020-10-30 | Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186313.2A CN112277812A (en) | 2020-10-30 | 2020-10-30 | Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112277812A true CN112277812A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011186313.2A Pending CN112277812A (en) | 2020-10-30 | 2020-10-30 | Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112277812A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801942A (en) * | 2022-05-31 | 2022-07-29 | 东风商用车有限公司 | Getting-on and getting-off auxiliary device, engineering truck and control method thereof |
| CN115742969A (en) * | 2022-12-07 | 2023-03-07 | 中国重汽集团济南动力有限公司 | Height-adjustable truck movable step |
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| CN210310158U (en) * | 2019-06-28 | 2020-04-14 | 常州信德泰克电器有限公司 | Reinforced folding driving mechanism of multifunctional pedal device for vehicle |
| CN210310154U (en) * | 2019-06-28 | 2020-04-14 | 常州信德泰克电器有限公司 | Manual operation mechanism of vehicle getting-on and getting-off pedal device |
| CN111071156A (en) * | 2019-12-31 | 2020-04-28 | 杭州恒宏机械有限公司 | Mechanical self-locking electric pedal |
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| DE10127584A1 (en) * | 2001-05-29 | 2002-12-05 | Omnistor Accessories N V | Folding steps for caravan have edging strips on each side of treads, hinged levers being attached to edging strips, each lever being made up of two strips |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114801942A (en) * | 2022-05-31 | 2022-07-29 | 东风商用车有限公司 | Getting-on and getting-off auxiliary device, engineering truck and control method thereof |
| CN114801942B (en) * | 2022-05-31 | 2023-05-05 | 东风商用车有限公司 | Get-on/off auxiliary device, engineering truck and control method thereof |
| CN115742969A (en) * | 2022-12-07 | 2023-03-07 | 中国重汽集团济南动力有限公司 | Height-adjustable truck movable step |
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Application publication date: 20210129 |