CN107310388B - Pedal and guardrail safety control device - Google Patents

Pedal and guardrail safety control device Download PDF

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Publication number
CN107310388B
CN107310388B CN201710601240.0A CN201710601240A CN107310388B CN 107310388 B CN107310388 B CN 107310388B CN 201710601240 A CN201710601240 A CN 201710601240A CN 107310388 B CN107310388 B CN 107310388B
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China
Prior art keywords
pedal
guardrail
seat
switch
control device
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CN201710601240.0A
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CN107310388A (en
Inventor
张提成
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Ningbo Ruyi JSCL
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Ningbo Ruyi JSCL
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Publication of CN107310388A publication Critical patent/CN107310388A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle 
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

The invention provides a pedal and guardrail safety control device, which comprises: the pedal assembly comprises a pedal seat and a pedal rotatably connected with the pedal seat, wherein a sensing switch is arranged at the upper part of the pedal seat, a sensing piece matched with the sensing switch is arranged on the pedal, when the pedal rotates to the uppermost part, the sensing piece senses with the sensing switch, at least one proximity switch is also arranged on the pedal seat, when a weight exceeding the preset weight is arranged on the pedal, the pedal is separated from the proximity switch, otherwise, the pedal senses with at least one proximity switch; the guardrail assembly comprises a guardrail seat and two guardrails movably arranged on the guardrail seat, wherein two guardrail switches are arranged on the guardrail seat, and the corresponding guardrail switches are triggered when the guardrails act; and the control assembly is used for monitoring the opening and closing states of the pedals and the guardrails and whether the pedals stand on the ground or not, and controlling the running speed of the pedal type electric vehicle. The pedal and guardrail safety control device has the advantages of convenience and reliability in operation and high safety.

Description

Pedal and guardrail safety control device
Technical Field
The invention belongs to the technical field of vehicle safety control, and relates to a pedal and guardrail safety control device, in particular to a pedal and guardrail safety control device suitable for pedal-type electric vehicles.
Background
Currently, the safety standards of the European Union on pedal electric vehicles are more stringent, particularly for pedal handling and stacking vehicles at the European Union exit, and the safety standards of the European Union on are strict on pedals and guardrails, and if the standards are not met, the vehicles are not safe and cannot be exported. The specific standards are as follows: 1. the pedal and the two guardrails are not opened, and the maximum speed of the vehicle running can only be the walking speed; 2. the pedals are not opened, one or both of the guardrails are opened, and the vehicle cannot run; 3. the pedal and the two guardrails are opened, the pedal does not stand on a person, and the vehicle cannot run; 4. the pedal and the two guardrails are opened, the pedal stands on a person, and the vehicle can reach the set maximum running speed; 5. the pedal is opened, one or both of the guardrails are not opened, the pedal stands on a person, and the maximum speed of the vehicle running can only be the walking speed.
In this regard, there is a need to design a safer pedal and guardrail safety control device that meets the EU regulatory standards, is convenient and reliable to operate, and overcomes various accidents caused by human factors.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a pedal and guardrail safety control device which is convenient and reliable to operate and high in safety.
The aim of the invention can be achieved by the following technical scheme: a pedal and guardrail safety control device comprising:
the pedal assembly comprises a pedal seat and a pedal rotatably connected with the pedal seat, wherein the pedal can be rotated to an upper position from the lower part of the pedal seat, a sensing switch is arranged at the upper position of the pedal seat, a sensing piece matched with the sensing switch is arranged on the pedal, when the pedal rotates to the uppermost position, the sensing piece senses with the sensing switch, at least one proximity switch is also arranged on the pedal seat, when a weight exceeding a preset weight is arranged on the pedal, the pedal is separated from the proximity switch, and otherwise, the pedal senses with at least one proximity switch;
the guardrail assembly comprises a guardrail seat and two guardrails movably arranged on the guardrail seat, two guardrail switches which are in one-to-one correspondence with the two guardrails are arranged on the guardrail seat, and the corresponding guardrail switches are triggered when the guardrails act;
and the control assembly is respectively connected with the pedal assembly and the guardrail assembly and is used for monitoring the opening and closing states of the pedal and the guardrail, judging whether the pedal stands on or not and controlling the running speed of the pedal type electric vehicle.
As a further improvement of the invention, the induction piece is arranged as magnetic steel embedded on the pedal, and the induction switch is arranged as a magnetic induction switch, and the induction piece and the magnetic induction switch are in butt joint in a magnetic induction contact mode.
As a further improvement of the invention, the guardrail switch is arranged as a mechanical contact switch structure, and the guardrail triggers the corresponding guardrail switch through mechanical action.
As a further improvement of the invention, the front end of the pedal is provided with a pair of swing arms, and the swing arms are hinged with the pedal seat through a step shaft.
As a further improvement of the invention, the two proximity switches are distributed along the rotation track of the pedal, the two proximity switches are arranged in a staggered manner, and when no weight exceeding the preset weight is arranged on the pedal, the pedal and at least one proximity switch sense.
As a further improvement of the invention, a spring reset structure connected with the pedal is arranged on the pedal seat, when a weight exceeding the preset weight is arranged on the pedal, the spring reset structure is stressed and compressed, and the pedal is separated from the proximity switch at the moment, otherwise, the pedal is pushed to rotate upwards and at least senses with one of the proximity switches under the action of the restoring force of the spring reset structure.
As a further improvement of the invention, the spring return structure comprises a cylindrical polyurethane spring and a compression spring sleeved outside the polyurethane spring, wherein the polyurethane spring and the compression spring are respectively contacted with the pedal.
As a further improvement of the invention, a damping gas spring is also connected between the pedal outer side and the pedal seat.
As a further improvement of the present invention, two guardrails are provided as left and right guardrails on both sides of the symmetrical split guardrail base, the guardrails being connected to the guardrail base by rotatable guardrail shafts, the guardrails triggering corresponding guardrail switches by rotation of the corresponding guardrail shafts.
As a further improvement of the invention, the guardrail switch is arranged as a micro switch, the micro switch is arranged between the corresponding guardrail shaft and the edge of the guardrail seat, a flat square structure matched with the micro switch is milled on the guardrail shaft, and the rotation of the flat square structure of the guardrail shaft can trigger the corresponding micro switch.
Based on the technical scheme, the embodiment of the invention at least has the following technical effects: compared with the prior art, the device disclosed by the invention can automatically and effectively meet the safety standard of European Union, prevent children from driving the vehicle, and the pedal and the guardrail are matched for use, and are controlled through electric control, so that the vehicle has different safety speeds under different conditions, the damage of the vehicle and goods and even the casualties of personnel caused by the influence of human factors are avoided, and the pedal and guardrail safety control device is convenient to operate, safe and reliable, small in occupied space and low in manufacturing cost.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of a pedal assembly according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.
Fig. 3 is a cross-sectional view taken along the direction A-A in fig. 2.
FIG. 4 is a schematic view of a guardrail assembly according to a preferred embodiment of the present invention.
Fig. 5 is a sectional view taken along the direction B-B in fig. 4.
In the figure, 11, pedal seat; 12. a pedal; 13. an inductive switch; 14. magnetic steel; 15. a proximity switch; 16. a step shaft; 17. a polyurethane spring; 18. a compression spring; 19. a damping gas spring; 21. a guardrail seat; 22. guard bars; 23. a micro-switch; 24. a guardrail shaft.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
The technical solution provided by the present invention is described in more detail below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the present pedal and guard rail safety control device includes:
the pedal assembly comprises a pedal seat 11 and a pedal 12 rotatably connected with the pedal seat 11, wherein the pedal 12 can be rotated from the lower part of the pedal seat 11 to the upper position, a sensing switch 13 is arranged at the upper position of the pedal seat 11, a sensing piece matched with the sensing switch 13 is arranged on the pedal 12, when the pedal 12 is rotated to the uppermost position, the sensing piece senses with the sensing switch 13, at least one proximity switch 15 is also arranged on the pedal seat 11, when a weight exceeding the preset weight (preferably not less than 20 KG) is arranged on the pedal 12, the pedal 12 is separated from the proximity switch 15, otherwise, the pedal 12 senses with at least one of the proximity switches 15;
the guardrail assembly comprises a guardrail seat 21 and two guardrails 22 movably mounted on the guardrail seat 21, wherein two guardrail switches corresponding to the two guardrails 22 one by one are arranged on the guardrail seat 21, and the corresponding guardrail switches are triggered when the guardrails 22 act;
and a control assembly (not shown) connected to the pedal assembly and the guardrail assembly, respectively, for monitoring the open and closed states of the pedals 12 and the guardrail 22 and whether the pedals 12 stand on or not, and controlling the running speed of the pedal-powered vehicle.
The invention provides a pedal and guardrail safety control device, which is suitable for pedal type electric vehicles, in particular to the field of pedal type electric vehicles such as carrier vehicles, piling vehicles and the like.
In the invention, the action of the guardrail 22 triggers the corresponding guardrail switch, and corresponding control programs can be designed through the opening and closing nodes of the two guardrail switches, so that the realization of European Union standards of the guardrail 22 in different states is ensured; when the pedal 12 moves up to the uppermost position (the upright state shown in fig. 1), the sensing piece senses with the sensing switch 13, and the pedal 12 is in a non-opened state at this moment, otherwise, the pedal 12 is in an opened state when turned down, at this moment, the sensing piece is separated from the sensing switch 13, whether the pedal 12 stands by a person or not is judged by the proximity switch 15, when the pedal 12 stands by a person or a weight exceeding a preset weight is placed on the pedal 12, the pedal 12 is pressed to the lowermost position (the flat swing state shown in fig. 1), the pedal 12 is separated from the proximity switch 15, namely, when the pedal 12 does not stand by a person or the weight does not exceed the preset weight, the pedal 12 senses with at least one proximity switch 15, and a corresponding control program is designed through a node of the sensing switch 13 and at least one proximity switch 15, so that the pedal 12 is ensured to be in different states and realizing EU standards.
When the pedal and the guardrail safety control device are corresponding to European Union standards, the pedal and the guardrail safety control device are specifically as follows: 1. the pedals 12 and both guardrails 22 are not opened, and the maximum speed of the vehicle running is controlled to be a walking speed (preferably less than 6 km/h); 2. the pedals 12 are not opened, one or both of the guardrails 22 are opened, and the maximum speed of the vehicle running is controlled to be 0, namely the vehicle cannot run; 3. the pedal 12 and the two guardrails 22 are both opened, the pedal 12 does not stand, and the maximum speed of the vehicle running is controlled to be 0, namely the vehicle cannot run; 4. the pedal 12 and the two guardrails 22 are both opened, the pedal 12 stands up, and the maximum speed for controlling the running of the vehicle can reach the preset maximum running speed (preferably more than 6 km/h); 5. the steps 12 are opened and the guardrail 22 is not opened or neither is the pedal 12 stands up, controlling the maximum speed of the vehicle running to be walking speed (preferably less than 6 km/h).
Compared with the prior art, the pedal and guardrail safety control device can automatically and effectively meet the safety standard of European Union, prevent children with weight smaller than preset weight (such as 20 KG) from driving the vehicle, and the pedal 12 and the guardrail 22 are matched for use, and are controlled through electric control, so that the vehicle has different safety speeds under different conditions, the damage of the vehicle and goods, even the casualties of personnel, caused by the influence of human factors by operators are avoided, and the pedal and guardrail safety control device is convenient to operate, safe and reliable, small in occupied space and low in manufacturing cost.
The guardrail is an important part of vehicle safety protection, and is generally movably mounted on a vehicle frame, and as a preferred or alternative implementation, the guardrail switch is arranged into a mechanical contact switch structure, and the guardrail 22 triggers the corresponding guardrail switch through mechanical action, namely, when the guardrail 22 is opened and closed, the generated mechanical action triggers the corresponding guardrail switch to open or close the switch.
As a preferred or alternative implementation manner, the front end of the pedal 12 is provided with a pair of swing arms, and the swing arms are hinged with the pedal seat 11 through a step shaft 16, so that the pedal 12 and the pedal seat 11 are rotatably connected, and the assembly and the disassembly are reliable and the maintenance are convenient; the swing arm can be connected with the pedal 12 into a whole or can be arranged into a split structure, and preferably, the swing arm is connected with the pedal 12 into a whole, so that the working reliability and the structural strength are further ensured.
In order to further closely match the rotation track of the pedal 12 and the compact structural layout of the pedal seat 11, preferably, the sensing element is a magnetic steel 14 embedded on the pedal 12, and the sensing switch 13 is a magnetic sensing switch 13, and the two are in butt joint in a magnetic induction contact manner.
Further, in order to ensure the reliability of the standing person sensing of the pedal 12, preferably, the proximity switches 15 are distributed along the rotation track of the pedal 12 and are arranged in two, the two proximity switches 15 are arranged in a staggered manner, the two proximity switches 15 are staggered in front-back direction and also in upper-lower direction, and when no weight exceeding the preset weight is placed on the pedal 12, the pedal 12 senses with at least one proximity switch 15.
In this way, in the event that the pedal 12 is not standing, it is ensured that the pedal 12 is in any position, which is always sensed by one or both proximity switches 15.
Furthermore, the magnetic steel 14 is preferably embedded in the outer side of one of the swing arms, the proximity switch 15 is mounted on the side wall of the pedal seat 11, and the inductive switches 13 corresponding to the magnetic steel 14 are arranged on two sides of the swing arm in a separated mode, so that compactness of overall layout and structural arrangement is guaranteed, and the operation is reliable.
In order to ensure safe and reliable monitoring operation of the person standing on the pedal 12 and smooth and quick resetting operation of the pedal 12, preferably, a spring resetting structure connected with the pedal 12 is arranged on the pedal seat 11, when a weight exceeding a preset weight is arranged on the pedal 12 (namely, when the person standing on the pedal), the spring resetting structure is stressed and compressed, and the pedal 12 is separated from the proximity switch 15 at the moment, otherwise, the pedal 12 is pushed to rotate upwards and at least senses with one of the proximity switches 15 under the action of the restoring force of the spring resetting structure.
In this case, the spring return structure is preferably provided in two corresponding to two swing arms, and further preferably the spring return structure includes a tubular polyurethane spring 17 and a compression spring 18 sleeved outside the polyurethane spring 17, and the polyurethane spring 17 and the compression spring 18 are respectively in contact with the pedal 12.
The polyurethane spring 17 has good oil resistance, toughness, wear resistance, ageing resistance and adhesiveness, and is high in strength, good in rebound resilience, long in compression time, small in deformation and good in buffering property, oil filling is not needed, a device is not damaged, and a reset structure of the tight combination of the polyurethane spring 17 and the compression spring 18 is not easy to deform after long-time use, so that the reliability and the safety of work are ensured.
In order to further ensure the use effect of the pedal 12 and to ensure the stability of the return and rotation operation of the pedal 12, a damping gas spring 19 is preferably further connected between the outside of the pedal 12 and the pedal seat 11.
Further, two guardrails 22 of the invention are arranged as left and right guardrails on two sides of the symmetrically-arranged guardrail seat 21, the guardrails 22 are connected with the guardrail seat 21 through rotatable guardrail shafts 24, and the guardrails 22 trigger corresponding guardrail switches through rotation of the corresponding guardrail shafts 24.
In order to further ensure that the mechanical switch structure is tightly matched with the guardrail 22, preferably, the guardrail switch is a micro switch 23, the micro switch 23 is arranged between the corresponding guardrail shaft 24 and the edge of the guardrail seat 21, a flat square structure matched with the micro switch 23 is milled on the guardrail shaft 24, and the micro switch 23 can be triggered by the rotation of the flat square structure of the guardrail shaft 24; since each guardrail shaft 24 is milled with a flat square, the two micro-switches 23 are opened or closed with the rotation of the left and right guardrail shafts, respectively.
In summary, in the present case, two micro switches 23 are installed on the guardrail seat 21, and the left guardrail shaft and the right guardrail shaft are milled with a flat square, so that the two micro switches 23 are opened or closed along with the rotation of the left guardrail shaft and the right guardrail shaft respectively; thus, when the left guardrail and the right guardrail are opened and closed, the control circuit is also in different control states; by means of the closed and opened nodes of the two microswitches 23, corresponding control programs are designed, and the EU standard realization of the guardrail 22 in different states is guaranteed.
The pedal seat 11 is provided with two inductive proximity switches 15 and a magnetic inductive switch 13, and is provided with a polyurethane spring 17, a compression spring 18, a step shaft 16 and a damping gas spring 19; the pedal 12 is provided with the magnetic steel 14 which can rotate up and down around the step shaft 16, the polyurethane spring 17 and the compression spring 18 ensure that at least one of the pedal 12 and the two proximity switches 15 senses when the pedal 12 is not standing, and the compression spring 18 and the polyurethane spring 17 are compressed due to the stress when the pedal 12 stands (preferably the body weight is greater than 20 KG) and the pedal 12 is separated from the proximity switches 15 (no sensing); when the pedal 12 rotates up and down without standing a person, the pedal 12 is always sensed by one or two proximity switches 15, and by the above structure, the two proximity switches 15 are deformed under the gravity condition by the pressure of the polyurethane spring 17 and the compression spring 18; through the nodes which are sensed by the two proximity switches 15, corresponding control programs are designed, so that the realization of different standards in the state of whether people stand in European Union standards is ensured; if the two microswitches 23 on the guardrail assembly are matched at the same time, the realization of the 1 st, 3 rd, 4 th and 5 th European Union standards can be ensured by the control of controller programming software.
The pedal 12 rotates to the uppermost part (the pedal is in a non-opening state), the magnetic steel 14 on the pedal 12 is only induced with the magnetic induction switch 13, and a corresponding control program is designed through a node which is induced by the magnetic induction switch 13, so that the control program of the controller can be used for controlling, and the realization of the 2 nd European Union standard can be ensured.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (8)

1. A pedal and guardrail safety control device, characterized in that: comprising the following steps:
the pedal assembly comprises a pedal seat and a pedal rotatably connected with the pedal seat, wherein the pedal can be rotated to an upper position from the lower part of the pedal seat, an induction switch is arranged at the upper position of the pedal seat, an induction piece matched with the induction switch is arranged on the pedal, when the pedal rotates to the uppermost position, the induction piece is induced with the induction switch, at least one proximity switch is also arranged on the pedal seat, when a weight exceeding a preset weight is arranged on the pedal, the pedal is separated from the proximity switch, otherwise, the pedal is at least induced with one of the proximity switches, the induction piece is provided with magnetic steel, the induction switch is provided with a magnetic induction switch, the two are in butt joint with each other in a magnetic induction contact mode, a pair of swing arms are arranged at the front end of the pedal, the swing arms are hinged with the pedal seat through a step shaft, the magnetic steel is embedded at the outer side of one swing arm, and the proximity switch is arranged on the side wall of the pedal seat and the corresponding to the magnetic steel is arranged at the two sides of the swing arm in a separated mode;
the guardrail assembly comprises a guardrail seat and two guardrails movably arranged on the guardrail seat, two guardrail switches which are in one-to-one correspondence with the two guardrails are arranged on the guardrail seat, and the corresponding guardrail switches are triggered when the guardrails act;
and the control assembly is respectively connected with the pedal assembly and the guardrail assembly and is used for monitoring the opening and closing states of the pedal and the guardrail, judging whether the pedal stands on or not and controlling the running speed of the pedal type electric vehicle.
2. A pedal and guard rail safety control device as claimed in claim 1, wherein: the guardrail switch is arranged to be of a mechanical contact type switch structure, and the guardrail triggers the corresponding guardrail switch through mechanical action.
3. A pedal and guard rail safety control device as claimed in claim 1, wherein: the proximity switches are distributed along the rotating track of the pedal and are arranged in two, the two proximity switches are arranged in a staggered mode, and when no weight exceeding the preset weight is placed on the pedal, the pedal and at least one proximity switch sense.
4. A pedal and guard rail safety control device as claimed in claim 1, wherein: the pedal seat is provided with a spring reset structure connected with the pedal, when a weight exceeding a preset weight is arranged on the pedal, the spring reset structure is stressed and compressed, the pedal is separated from the proximity switch at the moment, and conversely, the pedal is pushed to rotate upwards and at least senses with one of the proximity switches under the action of the restoring force of the spring reset structure.
5. The pedal and guard rail safety control device of claim 4, wherein: the spring return structure comprises a cylindrical polyurethane spring and a compression spring sleeved outside the polyurethane spring, and the polyurethane spring and the compression spring are respectively contacted with the pedal.
6. A pedal and guard rail safety control device as claimed in claim 1, wherein: a damping gas spring is also connected between the outer side of the pedal and the pedal seat.
7. A pedal and guard rail safety control device as claimed in claim 2, wherein: the two guardrails are arranged to be a left guardrail and a right guardrail on two sides of the symmetrical split guardrail seat, the guardrails are connected with the guardrail seat through rotatable guardrail shafts, and the guardrails trigger corresponding guardrail switches through rotation of corresponding guardrail shafts.
8. The pedal and guard rail safety control device of claim 7, wherein: the guardrail switch sets up to micro-gap switch, micro-gap switch sets up between corresponding guardrail axle and guardrail seat border, the guardrail epaxial flat square structure that mills with the micro-gap switch adaptation, the rotation of guardrail axle flat square structure can trigger corresponding micro-gap switch.
CN201710601240.0A 2017-07-21 2017-07-21 Pedal and guardrail safety control device Active CN107310388B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710601240.0A CN107310388B (en) 2017-07-21 2017-07-21 Pedal and guardrail safety control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710601240.0A CN107310388B (en) 2017-07-21 2017-07-21 Pedal and guardrail safety control device

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CN107310388A CN107310388A (en) 2017-11-03
CN107310388B true CN107310388B (en) 2023-06-09

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9401831A (en) * 1994-03-08 1995-10-02 Geesink Bv Waste collection vehicle equipped with a safety system.
JP2004084624A (en) * 2002-08-28 2004-03-18 Hideo Ono Sudden start preventing device for automatic transmission vehicle
CN103407410B (en) * 2013-08-16 2015-07-22 中国重汽集团济南动力有限公司 Control method for automatic overturning getting-on pedal and getting-on pedal overturning device
CN206067727U (en) * 2016-08-30 2017-04-05 宁波如意股份有限公司 A kind of pedal assembly
CN206968407U (en) * 2017-07-21 2018-02-06 宁波如意股份有限公司 A kind of pedal and guardrail safety control

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