CN202064818U - Foldable ladder for fire truck - Google Patents
Foldable ladder for fire truck Download PDFInfo
- Publication number
- CN202064818U CN202064818U CN2011200469961U CN201120046996U CN202064818U CN 202064818 U CN202064818 U CN 202064818U CN 2011200469961 U CN2011200469961 U CN 2011200469961U CN 201120046996 U CN201120046996 U CN 201120046996U CN 202064818 U CN202064818 U CN 202064818U
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- CN
- China
- Prior art keywords
- cat ladder
- ladder
- side handrail
- base
- flap
- Prior art date
- 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.)
- Expired - Lifetime
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- 241000282326 Felis catus Species 0.000 claims description 57
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model discloses a foldable ladder for a fire truck, which comprises lateral armrests, ladder steps, two top seats, two bottom seats, hinge rotary shafts and shaft sleeves, wherein the ladder steps are welded between the lateral armrests, and the top seats and the bottom seats are used for being fixed onto end surfaces of the tail of a carriage and positioned at upper ends and lower ends of the lateral armrests respectively. An upper lateral armrest is fixedly welded on each top seat, each bottom seat is connected with a hinge plate through the corresponding rotary shaft and the corresponding shaft sleeve, a lower lateral armrest is fixedly welded on each hinge plate, and a limiting locking part is arranged between each bottom seat and the corresponding hinge plate and comprises a locking piece, a limiting pin and an elastic locking pin, the locking pieces are arranged on the hinge plates, the limiting pins are inserted on the locking pieces and the bottom seats, and the elastic locking pins are inserted on the limiting pins. By the aid of the bottom seats with integrated functions and the two-section foldable structure, the foldable ladder is compact and reliable in integral structure, and the space use ratio is increased. Besides, the structural mode with various practical details not only can ensure normal functions and safety of the ladder, but also is harmonized and matched with the integral structure.
Description
Technical field
The utility model relates to a kind of fire-fighting instrument, relates in particular to the collapsible cat ladder of a kind of fire fighting truck.
Background technology
The top of fire fighting truck is equipped with fire monitor and various storage compartment, climbs up the roof operation, gets thing for making things convenient for the fireman, requires fire fighting truck to be equipped with one and makes things convenient for fireman's cat ladder up and down.Domestic traditional used in fire-fighting cat ladder often only requires that cat ladder possesses load capacity and erosion-resisting ability, satisfies the complete vehicle structure size of national regulation etc.For the attractive in appearance of cat ladder self and attractive in appearance with vehicle body collocation, all be wanting in consideration particularly structural hamony.Often only pay attention to the decoration of color, material surface.The physical dimension of cat ladder and organization of human body size are closely related, and traditional cat ladder structure has often been ignored the ergonomic factor of structure, make the user feel not harmony of the utmost point, and be very awkward.The state size is also quite important during the non-use of cat ladder, the state of state when traditional cat ladder is non-use basically during with use is the same, the compressibility that does not take up room, when cat ladder does not use, the aesthetic property of car load can be because the overhanging structure of cat ladder be had a strong impact on, and can operate, overhaul miscellaneous equipment to the user for the high car in chassis and bring interference on the space.In the tradition used in fire-fighting cat ladder ladder step, having plenty of does not directly have non-skid feature, has plenty of direct stickup Anti-skid adhesive piece, does not really deal with problems from ladder step surface texture, and its non-skid property is not fine, and potential safety hazard is arranged.Along with field, Chinese fire protection car market to the improving constantly of fire fighting truck overall performance and details quality requirements, traditional fire fighting truck cat ladder can not adapt to the development need of industry.
Summary of the invention
At the problem that above-mentioned prior art exists, the utility model purpose is to provide a kind of fire fighting truck collapsible cat ladder, can effectively reach maintenance, change conveniently; Easy to use, comfortable; The purpose that has been taken up space when having compressed non-the use.
The technical solution of the utility model is: the collapsible cat ladder of a kind of fire fighting truck, the ladder that comprises side handrail and be welded between it goes on foot, be used for fixing two footstocks and two bases at the compartment tail end face, and footstock and base lay respectively at the two ends up and down of side handrail, welding has been fixed one and has been gone up side handrail on each footstock, also comprise hinge rotating shaft and axle sleeve, each base has been connected a flap by rotating shaft with axle sleeve, a following side handrail has been fixed in welding on each flap, be provided with a spacing locking member between base and the flap, it comprises the lock dog that is located on the flap, be inserted in the spacer pin on lock dog and the base, and be inserted in the flexible lock pin on the spacer pin.
As preferably: described base and footstock by bolt on the compartment tail end face.
As preferably: the correspondence position of the fitting face of described base and flap is provided with axis hole, and the axis hole on base and the flap is passed in described rotating shaft, constitutes the hinge switching mechanism.
As preferably: on described base, also be provided with the spacing support platform that becomes 16 ° of angles with base baseplane and compartment tail end face.
As preferably: in the described limitation locking device, spacer pin is spacing to the cat ladder hypomere by the pin-and-hole on base and the flap, and flexible lock pin carries out limitation locking by the pin-and-hole on the spacer pin.
As preferably: the cat ladder footstock is divided into left and right sides two parts, and top is provided with through hole and cooperates with last side handrail, two parts of footstock by hexagon socket head cap screw cooperate, locking.
As preferably: the curve modeling size 287mm of side handrail on the cat ladder, 160mm, R90mm, R150mm, 135 ° and the 315mm that derives.
As preferably: the ladder step upper surface of cat ladder is the triangular groove non slip surface, and its cross section is a trapezium structure, the ladder step two ends of cat ladder have the semi-circular cut-out with last side handrail and following side handrail external diameter coupling, and it is fastening that side handrail and following side handrail and ladder all adopt welding on the cat ladder between the step.
As preferably: the sliding moulding of outer drain terminal six circumferences of hinge rotating shaft, the concealed design of the nut on the flap.
As preferably: the footstock lock bolt that left and right sides two parts of footstock are made by stainless steel closes up, and side handrail is gone up in locking.
The beneficial effects of the utility model are:
1. the function of the utility model patent base is integrated, and the two-part folding structure makes compact overall structure, reliable, and improved utilization of space.
2. whole cat ladder connects, securing member adopts stainless steel part entirely, and all the other members all adopt aluminium, this make the cat ladder overall weight with respect to clean steel spare cat ladder reduced near half, and can satisfy load bearing requirements.
3. the utility model has adopted the aspect practicality of multiple details, frame mode attractive in appearance, has both guaranteed the normal function and the safety of cat ladder, serves as a contrast mutually with the overall structure harmony again.
4. the utility model adopts and to be installed on the different fire fighting trucks with identical mounting means with a kind of structure, has realized standardized designs, and its versatility is strengthened, and reduces operation, makes simple and reliablely, reduces the cost.
Description of drawings
Fig. 1 opens and uses the status architecture schematic diagram for the utility model;
Fig. 2 is the folding non-working condition structural representation of the utility model;
Fig. 3 is cut apart schematic diagram for the utility model footstock amplifies;
Fig. 4 is cut apart schematic diagram for the utility model base amplifies;
Fig. 5 is another angle structural representation of the utility model base;
Hinged place partial sectional view when Fig. 6 opens and uses state for the utility model;
Fig. 7 is the elevation in the utility model ladder step;
Fig. 8 is the vertical view in the utility model ladder step;
Fig. 9 is the left view in the utility model ladder step.
Among the figure: 1. go up side handrail; 2. footstock; 3. ladder goes on foot; 4. base; 5. flap; 6. play side handrail; 7. rotating shaft; 8. axle sleeve; 9. flexible lock pin; 10. spacer pin; 11. lock dog; 12. footstock lock bolt.
The specific embodiment
Below in conjunction with accompanying drawing is that the utility model is described further.
Embodiment: referring to Fig. 1 to Fig. 9, the collapsible cat ladder of a kind of fire fighting truck, the ladder that comprises side handrail and be welded between it goes on foot 3, be used for fixing two footstocks 2 and two bases 4 at the compartment tail end face, and footstock 2 and base 4 lay respectively at the two ends up and down of side handrail, welding has been fixed one and has been gone up side handrail 1 on each footstock 2, also comprise hinge rotating shaft 7 and axle sleeve 8, each base 4 has been connected a flap 5 by rotating shaft 7 with axle sleeve 8, a following side handrail 6 has been fixed in welding on each flap 5, be provided with a spacing locking member between base 4 and the flap 5, it comprises the lock dog 11 that is located on the flap 5, be inserted in the spacer pin 10 on lock dog 11 and the base 4, and be inserted in the flexible lock pin 9 on the spacer pin 10.Described base 4 and footstock 2 by bolt on the compartment tail end face.The correspondence position of the fitting face of described base 4 and flap 5 is provided with axis hole, and the axis hole on base 4 and the flap 5 is passed in described rotating shaft 7, constitutes the hinge switching mechanism.On described base 4, also be provided with the spacing support platform that becomes 16 ° of angles with base 4 baseplanes and compartment tail end face.In the described limitation locking device, spacer pin 10 is spacing to the cat ladder hypomere with the pin-and-hole on the flap 5 by base 4, and flexible lock pin 9 carries out limitation locking by the pin-and-hole on the spacer pin 10.Cat ladder footstock 2 is divided into left and right sides two parts, and top is provided with through hole and cooperates with last side handrail 1, and two parts of footstock 2 cooperate, lock by hexagon socket head cap screw.The curve modeling size 287mm of side handrail 1 on the cat ladder, 160mm, R90mm, R150mm, 135 ° and the 315mm that derives.It is the triangular groove non slip surface that the ladder of cat ladder goes on foot 3 upper surfaces, and its cross section is trapezium structure, and the ladder step, 3 two ends had the semi-circular cut-out of mating with last side handrail 1 and play side handrail 6 external diameters.3 of side handrail 1 and following side handrail 6 and ladder steps all adopt welding fastening on the cat ladder.The sliding moulding of outer drain terminal six circumferences of hinge rotating shaft 7.The concealed design of nut on the flap 5.The footstock lock bolt 12 that left and right sides two parts of footstock 2 are made by stainless steel closes up, and side handrail 1 is gone up in locking.
As Fig. 7, Fig. 8 and shown in Figure 9, the ladder of cat ladder goes on foot 3 pin and steps on the anti-skidding design of surface employing triangular groove, and is not only attractive in appearance but also anti-skidding, adopts arc and trapezoid cross section structure simultaneously, increased the pin contact area, also more meets the requirement of people's sole comfortableness.The footstock lock bolt 12 that left and right sides two parts of footstock 2 are made by stainless steel closes up, and locks and go up side handrail 1, and such structure is convenient to demolition, repair, replacement; Footstock 2 can be along last side handrail 1 chosen position within the specific limits, and this makes the footstock 2 and the relative distance of base 4 can satisfy the needs of differing heights fire fighting truck envelope.
When cat ladder is in normal operating condition---during open mode, as Fig. 1 and shown in Figure 6, rotating shaft 7 and the axle sleeve 8 of the hypomere of cat ladder by being connected in flap 5, the back side that turn to flap 5 contacts with the spacing table top of base 4, and the cat ladder hypomere becomes 16 ° of angles with epimere and compartment tail end face.This angle makes that climbing is more laborsaving, more meet the human engineering principle.
When cat ladder is in non-working condition---during folded state, as shown in Figure 2, the cat ladder hypomere is turn to and cat ladder epimere and compartment tail end face parallel position by rotating shaft 7 and axle sleeve 8, spacer pin 10 is passed pin-and-hole (as shown in Figure 4) on lock dog 11 and the base 4, then with the pin-and-hole (as shown in Figure 5) on flexible lock pin 9 insertion spacer pins 10 external parts, spacer pin 10 is locked, and whole cat ladder hypomere state is locked simultaneously.This kind positioning and locking mode had both reached spacing purpose, had guaranteed the reliability of the locking of cat ladder when fire fighting truck jolts under rugged road conditions again, made the cat ladder can be owing to high-intensity vibration is turned under coming off.
The main load carrier of the collapsible cat ladder of this fire fighting truck, spacing retaining mechanism, switching mechanism all are integrated on base 4 and the flap 5, compact conformation, reasonable; Action, locking are reliably.Cat ladder is safe in utilization, comfortable; Be applicable to various compartments, and mounting means is identical, versatility is good.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, to any simple modification, equivalent variations that above embodiment did, all fall within the protection domain of the present utility model on every foundation technical spirit of the present utility model.
Claims (10)
1. collapsible cat ladder of fire fighting truck, the ladder that comprises side handrail and be welded between it goes on foot (3), be used for fixing two footstocks (2) and two bases (4) at the compartment tail end face, and footstock (2) and base (4) lay respectively at the two ends up and down of side handrail, it is characterized in that: each footstock (2) is gone up welding and has been fixed a upward side handrail (1), also comprise hinge rotating shaft (7) and axle sleeve (8), each base (4) has been connected a flap (5) by rotating shaft (7) with axle sleeve (8), each flap (5) is gone up welding and has been fixed a following side handrail (6), be provided with a spacing locking member between base (4) and the flap (5), it comprises the lock dog (11) that is located on the flap (5), be inserted in the spacer pin (10) on lock dog (11) and the base (4), and be inserted in the flexible lock pin (9) on the spacer pin (10).
2. the collapsible cat ladder of fire fighting truck according to claim 1 is characterized in that: described base (4) and footstock (2) by bolt on the compartment tail end face.
3. the collapsible cat ladder of fire fighting truck according to claim 1, it is characterized in that: the correspondence position of the fitting face of described base (4) and flap (5) is provided with axis hole, the axis hole on base (4) and the flap (5) is passed in described rotating shaft (7), constitutes the hinge switching mechanism.
4. the collapsible cat ladder of fire fighting truck according to claim 1 is characterized in that: also be provided with the spacing support platform that becomes 16 ° of angles with base (4) baseplane and compartment tail end face on described base (4).
5. the collapsible cat ladder of fire fighting truck according to claim 1, it is characterized in that: in the described limitation locking device, spacer pin (10) is spacing to the cat ladder hypomere with the pin-and-hole on the flap (5) by base (4), and flexible lock pin (9) carries out limitation locking by the pin-and-hole on the spacer pin (10).
6. the collapsible cat ladder of fire fighting truck according to claim 1 is characterized in that: cat ladder footstock (2) is divided into left and right sides two parts, and top is provided with through hole and cooperates with last side handrail (1), and two parts of footstock (2) cooperate, lock by hexagon socket head cap screw.
7. the collapsible cat ladder of fire fighting truck according to claim 1 is characterized in that: the curve modeling size 287mm of side handrail on the cat ladder (1), 160mm, R90mm, R150mm, 135 ° and the 315mm that derives.
8. the collapsible cat ladder of fire fighting truck according to claim 1, it is characterized in that: ladder step (3) upper surface of cat ladder is the triangular groove non slip surface, and its cross section is a trapezium structure, ladder step (3) two ends have the semi-circular cut-out with last side handrail (1) and following side handrail (6) external diameter coupling, and side handrail on the cat ladder (1) and following side handrail (6) and ladder go on foot and all adopt welding fastening between (3).
9. the collapsible cat ladder of fire fighting truck according to claim 3 is characterized in that: the sliding moulding of outer drain terminal six circumferences of hinge rotating shaft (7), the concealed design of nut on the flap (5).
10. the collapsible cat ladder of fire fighting truck according to claim 1 is characterized in that: the footstock lock bolt (12) that left and right sides two parts of footstock (2) are made by stainless steel closes up, and side handrail (1) is gone up in locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200469961U CN202064818U (en) | 2011-02-25 | 2011-02-25 | Foldable ladder for fire truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200469961U CN202064818U (en) | 2011-02-25 | 2011-02-25 | Foldable ladder for fire truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202064818U true CN202064818U (en) | 2011-12-07 |
Family
ID=45058686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200469961U Expired - Lifetime CN202064818U (en) | 2011-02-25 | 2011-02-25 | Foldable ladder for fire truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202064818U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120969A (en) * | 2014-07-09 | 2014-10-29 | 常熟市尚高机械设备有限公司 | Foldable crawling ladder |
| CN110056306A (en) * | 2019-05-20 | 2019-07-26 | 苏州江南航天机电工业有限公司 | Vehicle-mounted combination ladder |
| CN110905386A (en) * | 2019-11-18 | 2020-03-24 | 国家电网有限公司 | Generator yoke overhauls cat ladder |
-
2011
- 2011-02-25 CN CN2011200469961U patent/CN202064818U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120969A (en) * | 2014-07-09 | 2014-10-29 | 常熟市尚高机械设备有限公司 | Foldable crawling ladder |
| CN104120969B (en) * | 2014-07-09 | 2016-04-13 | 苏州万图明电子软件有限公司 | A kind of foldable cat ladder |
| CN110056306A (en) * | 2019-05-20 | 2019-07-26 | 苏州江南航天机电工业有限公司 | Vehicle-mounted combination ladder |
| CN110905386A (en) * | 2019-11-18 | 2020-03-24 | 国家电网有限公司 | Generator yoke overhauls cat ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 611130 Sichuan, Wenjiang, Taiwan Strait science and Technology Industrial Park, Xinhua Road, Section 1, No. 8 Patentee after: Sichuan Chuanxiao Fire Fighting Vehicle Manufacturing Co., Ltd. Address before: 610000 Wenjiang, Chengdu, Chengdu, Taiwan Strait science and Technology Industrial Development Zone, Xinhua Road, Section 1, No. 8 Patentee before: Sichuan Sentian Fire Safety Appliances Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |