CN109649281A - A kind of fire fighting truck crew department rotary pedal - Google Patents
A kind of fire fighting truck crew department rotary pedal Download PDFInfo
- Publication number
- CN109649281A CN109649281A CN201710944748.0A CN201710944748A CN109649281A CN 109649281 A CN109649281 A CN 109649281A CN 201710944748 A CN201710944748 A CN 201710944748A CN 109649281 A CN109649281 A CN 109649281A
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- CN
- China
- Prior art keywords
- crew department
- pedal body
- pedal
- fire fighting
- fighting truck
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention relates to fire fighting truck technical fields, more particularly to a kind of fire fighting truck crew department rotary pedal, its structure includes pedal body, pedal body is built-in under normal conditions, it is rotated with to exposed when crew department's door is opened for trampling, the friction plate fixed with crew department relative position is equipped in the lower section of pedal body motion track, pedal body is then contacted the friction plate, pedal body and friction plate and stopped along exposed moving direction friction to pedal body by pedal force directed downwardly to stop.Compared with prior art, the present invention passes through the clutch between control friction plate and pedal body, pedal body is realized to be switched fast under braking state and releasing brake two states, to ensure that fireman can quickly and safely enter and leave crew department, especially crew department door can not it is completely open it is narrow rescue and night rescue under conditions of, the security risk for effectively avoiding fireman from falling down in quick upper and lower pedal body, to save valuable rescue time.
Description
Technical field
The present invention relates to fire fighting truck technical fields, more particularly to a kind of fire fighting truck crew department rotary pedal.
Background technique
With the development of science and technology, fire fighting truck includes air compression foam class fire fighting truck, water tank foam fire truck, rescue
Fire fighting truck etc..Fire fighting truck has independent crew department mostly at present, and crew department is usually located at driver's cabin and is used to carry fluid reservoir
Between the carriage body of (inside is equipped with water or fire foam), crew department is equipped with crew department's door for fire fighter's disengaging.Due to disappearing
The vehicle chassis of anti-vehicle is higher, corresponding crew department's door along the position of lower section be equipped with stair-stepping pedal (have one with
The pedal of top bar).
Existing pedal is the vehicle frame that the lower section of crew department's door is fixed in a manner of welding or by means of fastener mostly
On, although this dead pedal structure is able to satisfy the requirement that fire fighter gets on or off the bus, but its defect is: 1) pedal is mounted on occupant
The lower section of room door and the side for exposing to vehicle body, therefore more rescue space is occupied, and be easy to be damaged；2) it is needed when rescuing
Fire fighting truck rests in the position of its two sides spaciousness, and crew department's door fully opened can just make fireman by pedal into
Out, it to cause the disengaging of fireman inconvenient, influences to rescue speed；In particular, it is very narrow when encountering place space of requiring assistance,
And fire fighting truck crew department door is caused fire fighter that can not realize by fixed pedal and got on or off the bus when can not fully open, thus
Seriously delay valuable rescue time.
In order to solve the above technical problems, Chinese invention patent ZL.201210502564.6 discloses a kind of multiplying for fire fighting truck
The rotary foot pedal structure in member room, technical solution includes foot pedal ontology, the foot pedal ontology and crew department's chassis
It is pivotally connected, and is connect with crew department's door, when crew department's door is closed, the foot pedal ontology is opened up into the crew department
Bottom, and when crew department door is opened, the foot pedal ontology puts on display the bottom of crew department with crew department's door.On although
Stating rotary foot pedal structure realizes the linkage of crew department's door and foot pedal, makes unlatching and pass of the foot pedal with crew department's door
Close and can be unfolded and stretch to hide to the bottom of crew department therewith, so as to avoid foot pedal damage and be conducive to shorten
Rescue time.But the foot pedal structure the problem is that, when fireman needs urgent to enter and leave and quickly open crew department's door
When, foot pedal ontology quickly puts on display the bottom of crew department also with crew department's door, sets foot on foot pedal when fireman walks out crew department
When ontology, due to inertia, foot pedal ontology is still being rotated, to not can guarantee safety when fire fighter quickly passes in and out, especially
It is to be more easier fireman occur to exist in the environment of crew department's door can not be rescued at completely open narrow rescue and night
The security risk quickly fallen down when upper and lower stair-stepping pedal, to delay valuable rescue time.
Summary of the invention
For the prior art there are above-mentioned technical problem, the present invention provides a kind of guarantee fireman quickly and safely goes out
Enter crew department, the crew department for the fire fighting truck for not delaying rescue time rotates ladder.
To achieve the above object, the present invention the following technical schemes are provided:
A kind of fire fighting truck crew department rotary pedal, including pedal body are provided, pedal body is built-in under normal conditions, in occupant
Room door is rotated with to exposed when opening for trampling, and is equipped with and crew department relative position in the lower section of pedal body motion track
Fixed friction plate, pedal body are then contacted the friction plate, pedal body and the friction plate edge by pedal force directed downwardly
Exposed moving direction friction is stopped to pedal body to stop.
Wherein, the pedal body is provided with friction rubber, when pedal body is by the pedal force directed downwardly then friction
Rubber contacts the friction plate, and pedal body, which contacts the frictional force generated with the friction plate by the friction rubber, makes pedal
Ontology, which is stopped, to stop.
Wherein, a kind of fire fighting truck crew department rotary pedal further include the hanger assembly being fixedly connected with crew department bottom and with
The rotating shaft assembly of the hanger assembly connection, the pedal body are pivotally connected by the rotating shaft assembly and the hanger assembly, institute
Friction plate is stated to be fixedly connected with the hanger assembly.
Wherein, the rotating shaft assembly include shaft, be set to the shaft top for jacking up the pedal body
Elastic component and the single direction thrust ball bearing for being sheathed on the shaft, the top of the single direction thrust ball bearing and the elastic component
Bottom touch.
Wherein, the pedal body includes the screw rod of panel, bottom plate, side plate and the connection panel and bottom plate, side plate
It is fixedly connected respectively with the panel and the bottom plate, the screw rod is arranged in the shaft, and the panel and the bottom plate are equal
It offers corresponding for being arranged the axis hole of the shaft and the screw rod.
Wherein, the friction rubber is set to the outer of the panel.
Wherein, the hanger assembly includes hanger ontology and the baffle assembly that connect with the hanger ontology, the hanger
Ontology is fixedly connected with the crew department bottom, and the friction plate is fixedly connected on the baffle assembly.
Wherein, the hanger assembly further includes that assembly is reinforced in side, and the rotating shaft assembly further includes being sheathed on the shaft
Axle sleeve, the side are reinforced assembly and are fixedly connected respectively with the hanger ontology and the axle sleeve.
Wherein, it further includes decoration panel that the crew department, which rotates ladder, and the decoration panel is fixed with the pedal body
Connection, the decoration panel is connect by guiding mechanism with crew department's door, when crew department's door is opened, crew department's door
Drive the decoration panel mobile by the guiding mechanism.
Wherein, the guiding mechanism includes guide pad and guiding axis, guide pad be fixed on the bottom of crew department's door and
The guide pad offers guide groove, and the top of decoration panel is fixed in one end of the guiding axis, and the other end is inserted in institute
It states in guide groove.
Beneficial effects of the present invention:
A kind of fire fighting truck crew department rotary pedal of the invention, including pedal body, pedal body is built-in under normal conditions,
Crew department's door is rotated with to exposed when opening for trampling, and is equipped in the lower section of pedal body motion track opposite with crew department
The fixed friction plate in position, pedal body are then contacted the friction plate, pedal body and friction plate edge by pedal force directed downwardly
Exposed moving direction friction is stopped to pedal body to stop.When work, pedal body with crew department door open and rotate it is exposed with
It is trampled for fireman, when fireman sets foot on pedal body, pedal body is then contacted friction plate, pedal by pedal force directed downwardly
Ontology is contacted with friction plate and the frictional force that generates makes pedal body be stopped stops, and pedal body is in braking state at this time, in this way
Fireman safely can enter and leave crew department by pedal body；When fireman leaves pedal body, pedal body with rub
Wiping board separation, to release the braking state of pedal body.Compared with prior art, the present invention passes through control friction plate and pedal
Clutch between ontology realizes pedal body and exists automatically in rotary course as fireman sets foot on and leaves pedal body
Braking state and releasing is switched fast under brake two states, to ensure that fireman can enter and leave quickly and safely and multiply
Member room, especially crew department door can not it is completely open it is narrow rescue and night rescue under conditions of, effectively avoid fire-fighting
The security risk that member falls down in quick upper and lower pedal body promotes rescue speed to save valuable rescue time
Degree, realizes the Quick rescue task raced against time.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fire fighting truck crew department rotary pedal of the invention.
Fig. 2 is a kind of decomposition texture schematic diagram of fire fighting truck crew department rotary pedal of the invention.
Fig. 3 is a kind of decomposition texture schematic diagram of the rotating shaft assembly of fire fighting truck crew department rotary pedal of the invention.
Fig. 4 is a kind of decomposition texture schematic diagram of the pedal body of fire fighting truck crew department rotary pedal of the invention.
Fig. 5 is the braking state that a kind of pedal body of fire fighting truck crew department rotary pedal of the invention is contacted with friction plate
Structural schematic diagram.
Fig. 6 is in brake glue when braking state for a kind of pedal body of fire fighting truck crew department rotary pedal of the invention
The mounting structure schematic diagram of piece.
Fig. 7 is a kind of decomposition texture schematic diagram of the guiding mechanism of fire fighting truck crew department rotary pedal of the invention.
Fig. 8 is a kind of structural schematic diagram of the decoration assembly of fire fighting truck crew department rotary pedal of the invention.
Appended drawing reference:
Assembly 13 is reinforced in hanger assembly 1, hanger ontology 11, baffle assembly 12, side；
Pedal body 2, panel 21, axis hole 211, bottom plate 22, side plate 23, screw rod 24, screw rod guide sleeve 25；
Rotating shaft assembly 3, shaft 31, compressed spring 32, single direction thrust ball bearing 33, axle sleeve 34；
Decorate assembly 4, decoration panel 41, decorative interior panel 42, Lamp holder 421, limited block 422；
Guiding mechanism 43, guide pad 431, guide groove 4311, guiding axis 432, ornamental strip 44；
Friction plate 5；
Rub rubber 6；
Connector 7.
Specific embodiment
Below in conjunction with specific embodiments and drawings, the present invention is described in detail.
A kind of fire fighting truck crew department rotary pedal of the present embodiment, as shown in Figure 1 to Figure 3, including pedal body 2, with multiply
The member room bottom hanger assembly 1 being fixedly connected, the rotating shaft assembly 3 (see Fig. 2) that connect with hanger assembly 1 and assembly 4 is decorated, stepped on
Plate ontology 2 is pivotally connected by rotating shaft assembly 3 and hanger assembly 1, and pedal body 2 is connect by decoration assembly 4 with crew department's door, hanger
Assembly 1 is provided with friction plate 5.Pedal body 2 is built in crew department bottom under normal conditions, rotates with when crew department's door is opened
To exposed for trampling；When pedal body 2 is then contacted friction plate 5 by pedal force directed downwardly, pedal body 2 connects with friction plate 5
The frictional force touched and generated stops pedal body 2 by brake, and pedal body 2 is in braking state at this time, and such fireman can pacify
Crew department is entered and left by pedal body 2 entirely.
In the present embodiment, as shown in Figures 2 and 3, rotating shaft assembly 3 includes axle sleeve 34, shaft 31, is set to 31 top of shaft
For jacking up the compressed spring 32 of pedal body 2 and being sheathed on the single direction thrust ball bearing 33 of shaft 31, one-way thrust ball
The top of bearing 33 and the bottom of compressed spring 32 touch, and shaft 31, compressed spring 32, single direction thrust ball bearing 33 are all set in
In axle sleeve 34.Pedal body 2 is pivotally connected by shaft 31 and hanger assembly 1, when pedal body 2 is not affected by downward pedal force,
Compressed spring 32 is in free state, and when opening crew department's door, single direction thrust ball bearing 33 can make pedal body 2 in level side
31 rotations around the shaft are to certain angle upwards.
As shown in Figure 2 and Figure 4, pedal body 2 includes panel 21, bottom plate 22, side plate 23 and connection panel 21 and bottom plate
22 screw rod 24, side plate 23 are fixedly connected with panel 21 and bottom plate 22 respectively.Wherein panel 21 and bottom plate 22 are fanning strip, face
Plate 21 and bottom plate 22 offer the corresponding axis hole 211 for being used to be arranged shaft 31 and screw rod 24, and side plate 23 is set as and is somebody's turn to do
The corresponding arc panel of fan-shaped plate shape.Screw rod 24 is arranged in shaft 31, and the upper end of screw rod 24 is fixed by screw rod guide sleeve 25
In the axis hole 211 of panel 21.The outer of panel 21 is provided with friction rubber 6, and friction rubber 6 is set as sheet and its geometry
Consistent with the shape of friction plate 5, friction rubber 6 is adhered to the outer on 23 top of 2 outer of panel and side plate respectively.
As depicted in figs. 1 and 2, hanger assembly 1 include hanger ontology 11, the baffle assembly 12 that is connect with hanger ontology 11 and
Assembly 13 is reinforced in side for reinforcing hanger ontology 11, and hanger ontology 11 is fixedly connected with crew department bottom, baffle assembly 12 by
Multiple coaming plates are bolted, and friction plate 5 is fixed in baffle assembly 12 by connector 7.
It is fixedly connected specifically, axle sleeve 34 reinforces assembly 13 with side, side is reinforced assembly 13 and is fixedly connected with hanger ontology 11.
Specifically, connector 7 is welded in friction plate 5, connector 7 can be used bolt and be fixedly connected with baffle assembly 12.
Specifically, a side of friction plate 5 towards pedal body 2 is set as the arc shape with the side plate 23 of pedal body 2
The consistent arc-shaped side of shape.
When opening crew department's door, pedal body 2, which rotates with, exposes outside crew department bottom, in the panel 21 of pedal body 2
When being not affected by downward pedal force, compressed spring 32 is in free state, and panel 21 is located at the top of friction plate 5, panel 21 with
And the friction rubber 6 at 21 outer of panel will not be contacted with friction plate 5, pedal body 2 can rotate freely；When fireman steps on
When top panel 21,32 stress of compressed spring, which is compressed, declines pedal body 2, to make panel 21 and friction rubber 6 and rub
Wiping board 5 contacts (see Fig. 5 and Fig. 6), since friction rubber 6 is made of rubber material, further increases pedal body 2 and friction
The frictional force of plate 5 makes pedal body 2 be in braking state so that pedal body 2 be prevented to continue 31 rotation around the shaft at once, this
Sample fireman safely can enter and leave crew department by pedal body 2；
When fireman leaves pedal body 2, compressed spring 32 is restored to push up upwards to free state and by pedal body 2
It rises, panel 21 and friction rubber 6 are separated with friction plate 5 at this time, to release the braking state of pedal body 2.
Compared with prior art, the present invention realizes pedal by the clutch between control friction plate 5 and pedal body 2
Ontology 2 is in rotary course as fireman sets foot on and leaves pedal body 2 and in braking state and releases two kinds of brake automatically
It is switched fast under state, to ensure that fireman can quickly and safely enter and leave crew department, especially in crew department's door
It can not effectively avoid fireman in quick upper and lower pedal body under conditions of completely open narrow rescue and night rescue
The security risk that Shi Fasheng is fallen down promotes rescue speed to save valuable rescue time, realize race against time it is quick
Rescue task.
In the present embodiment, as shown in Figure 7 and Figure 8, decoration assembly 4 includes decoration panel 41 and decorative interior panel 42, decorative cover
Plate 41 is fixedly connected by decorative interior panel 42 with pedal body 2, and decorative interior panel 42 is provided with Lamp holder 421, lamps and lanterns peace
The mountable headlamp of seat 421 is filled, to facilitate fireman to enter and leave crew department at night.
The top of decoration panel 41 is connect by guiding mechanism 43 with the bottom of crew department's door, when crew department's door is opened,
Crew department's door drives decoration panel 41 mobile by guiding mechanism 43.As shown in fig. 7, guiding mechanism 43 includes 431 He of guide pad
Guiding axis 432, guide pad 431 is fixed on the bottom of crew department's door and guide pad 431 offers guide groove 4311, guiding axis 432
One end be fixed on the top of decoration panel 41, the other end is inserted in guide groove 4311.Guiding axis 432 is in guide groove 4311
The rotational steps of interior running length and pedal body 2 are adapted.With the opening and closing of crew department's door, crew department's door passes through
It drives guiding axis 432 to slide along the guide groove 4311 of guide pad 431, to drive decoration panel 41 mobile, and then drives whole
The rotation of a pedal body 2.
Specifically, being provided with limited block 422 on decorative interior panel 42, when pedal body is opened with crew department's door and rotate certain
When angle, limited block 422 plays the role of limit.
Specifically, being provided with ornamental strip 44 at gap between decoration panel 41 and decorative interior panel 42, beautiful work is played
With.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of fire fighting truck crew department rotary pedal, including pedal body, pedal body is built-in under normal conditions, beats in crew department's door
It is rotated with when opening to exposed for trampling, it is characterized in that: being equipped in the lower section of pedal body motion track opposite with crew department
The fixed friction plate in position, pedal body are then contacted the friction plate, pedal body and the friction by pedal force directed downwardly
Plate, which is stopped along exposed moving direction friction to pedal body, to stop.
2. a kind of fire fighting truck crew department rotary pedal according to claim 1, it is characterized in that: the pedal body is provided with
Rub rubber, and when by pedal force directed downwardly, then the friction rubber contacts the friction plate to pedal body, pedal body passes through
The frictional force that the friction rubber contacts generation with the friction plate makes pedal body be stopped to stop.
3. a kind of fire fighting truck crew department rotary pedal according to claim 2, it is characterized in that: a kind of fire fighting truck crew department is revolved
Turn the rotating shaft assembly that pedal further includes the hanger assembly being fixedly connected with crew department bottom and connect with the hanger assembly, it is described
Pedal body is pivotally connected by the rotating shaft assembly and the hanger assembly, and the friction plate is fixedly connected with the hanger assembly.
4. a kind of fire fighting truck crew department rotary pedal according to claim 3, it is characterized in that: the rotating shaft assembly includes turning
Axis, be set to the shaft top for jacking up the elastic component of the pedal body and being sheathed on the one-way pushing of the shaft
Power ball bearing, the top of the single direction thrust ball bearing and the bottom of the elastic component touch.
5. a kind of fire fighting truck crew department rotary pedal according to claim 3, it is characterized in that: the pedal body includes face
Plate, bottom plate, side plate and the screw rod for connecting the panel and bottom plate, side plate is fixed with the panel and the bottom plate respectively to be connected
It connects, the screw rod is arranged in the shaft, and the panel and the bottom plate offer corresponding for being arranged the shaft
With the axis hole of the screw rod.
6. a kind of fire fighting truck crew department rotary pedal according to claim 5, it is characterized in that: the friction rubber is set to
The outer of the panel.
7. a kind of fire fighting truck crew department rotary pedal according to claim 3, it is characterized in that: the hanger assembly includes hanging
Frame ontology and the baffle assembly connecting with the hanger ontology, the hanger ontology are fixedly connected with the crew department bottom, institute
It states friction plate and is fixedly connected on the baffle assembly.
8. a kind of fire fighting truck crew department rotary pedal according to claim 7, it is characterized in that: the hanger assembly further includes
Assembly is reinforced in side, and the rotating shaft assembly further includes the axle sleeve for being sheathed on the shaft, and the side is reinforced assembly and hung respectively with described
Frame ontology is fixedly connected with the axle sleeve.
9. a kind of fire fighting truck crew department rotary pedal according to claim 1, it is characterized in that: the crew department rotates ladder
Further include decoration panel, the decoration panel is fixedly connected with the pedal body, the decoration panel by guiding mechanism with
Crew department's door connection, when crew department's door is opened, crew department's door drives the decorative cover by the guiding mechanism
Plate is mobile.
10. a kind of fire fighting truck crew department rotary pedal according to claim 9, it is characterized in that: the guiding mechanism includes
Guide pad and guiding axis, guide pad is fixed on the bottom of crew department's door and the guide pad offers guide groove, described to lead
The top of decoration panel is fixed on to one end of axis, the other end is inserted in the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944748.0A CN109649281A (en) | 2017-10-12 | 2017-10-12 | A kind of fire fighting truck crew department rotary pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944748.0A CN109649281A (en) | 2017-10-12 | 2017-10-12 | A kind of fire fighting truck crew department rotary pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109649281A true CN109649281A (en) | 2019-04-19 |
Family
ID=66109754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944748.0A Pending CN109649281A (en) | 2017-10-12 | 2017-10-12 | A kind of fire fighting truck crew department rotary pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649281A (en) |
-
2017
- 2017-10-12 CN CN201710944748.0A patent/CN109649281A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190419 |
|
| WD01 | Invention patent application deemed withdrawn after publication |