CN204655847U - Turntable structure and fire fighting truck thereof - Google Patents
Turntable structure and fire fighting truck thereof Download PDFInfo
- Publication number
- CN204655847U CN204655847U CN201520130736.0U CN201520130736U CN204655847U CN 204655847 U CN204655847 U CN 204655847U CN 201520130736 U CN201520130736 U CN 201520130736U CN 204655847 U CN204655847 U CN 204655847U
- Authority
- CN
- China
- Prior art keywords
- turntable
- girder
- semi
- oil cylinder
- bearing
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of turntable structure, belong to engineering mechanical device field, this turntable structure is tall and thin shape, and the anterior-posterior length size of turntable is less than the height dimension of turntable, and the welding bead that turntable plate upper surface structural member uses all is fixed in the border of support installing hole formation; Boom point is arranged on turntable top inner side, and the turntable that turntable is connected with semi-girder-semi-girder axis hole II is higher than the semi-girder cylindrical shell height under driving states; Turntable bearing II is installed in turntable, turntable bearing II has the turntable-oil cylinder axis hole II installing amplitude oil cylinder, be arranged on turntable on through turntable-oil cylinder axis hole II by one end of amplitude oil cylinder by bearing pin, the other end of amplitude oil cylinder is arranged on semi-girder by bearing pin; Additionally provide a kind of fire fighting truck that above-mentioned turntable structure is housed.This turntable structure effectively reduces turntable weight, and compared with existing structure, weight can alleviate 30%-40%, improves the operating efficiency of fire fighting truck; Also improve the stability of arm-stretching exercise during vehicle operation simultaneously.
Description
Technical field
The utility model relates to a kind of turntable structure, particularly a kind of turntable structure and fire fighting truck thereof, belongs to engineering mechanical device field.
Background technology
Existing fire fighting truck jib structure part mainly comprises jib, turntable, vehicle frame etc., wherein jib and turntable top pin shaft joint, be connected by revolving support bottom turntable with between lower vehicle carriage, therefore turntable can 360 ° of revolutions, and drive jib to turn round, from car load side, turntable is the little fat pier shape of short wide type.
As shown in Figure 1, in existing fire fighting truck, turntable 4 is positioned at the afterbody of car load, its top connects semi-girder 1 by bearing pin 3, bottom is by revolving support 6 connecting vehicle frame 5, turntable 4 does 360 ° of gyrations with rotary middle spindle 2, drives semi-girder 1 to do gyration simultaneously, is furnished with the pipelines such as hydraulic valve, fluid pressure line, water pipe in turntable 4.
The concrete structure layout of turntable is as follows, and as shown in Figure 2, Figure 3 and Figure 4, as can be seen from Figure, current turntable structure has following characteristics:
1) first, turntable structure monnolithic case is short and stout shape, and the anterior-posterior length size of turntable 4 is greater than the height dimension of turntable, causes turntable 4 radius of gyration bigger than normal, affects the topology layout of car load;
2) turntable base plate 11 top and its welding bead directly welded are beyond the scope of support installing hole 13 (border) of installing revolving support 6, easily because of the excessive generation poor rigidity of base plate size;
3) turntable riser I 10 is fixed on base plate, and left and right is respectively provided with one, and side only adopts the structure of a riser, makes the overall steadiness of turntable structure poor;
4) in order to make the active force of oil cylinder be directly delivered to bottom turntable 4 through bearing, the turntable bearing I 12 existing turntable 4 being installed amplitude oil cylinder 7 directly contacts with turntable base plate 11, but bearing in rotation process can be caused beyond the scope of revolving support week collar aperture, to make overall unbalance stress on revolving support 6;
5) it is two right that the turntable bearing I 12 on base plate is provided with, and be symmetrically fixed on base plate, and two pairs of base plates can install two oil cylinders simultaneously, although the oil cylinder quantity of installing increases, add the heavy burden of turntable, have increased the weight of car load rear axle load;
6) turntable 4 is in the below of semi-girder 1, for connecting the turntable-semi-girder axis hole I 9 of turntable 4 and semi-girder 1 lower than the cylindrical shell of semi-girder 1, causing cylindrical shell entirety higher, there is the situation about exposing of tail structure and fluid pressure line;
7) rotary reducer for driving turntable 4 to do left and right gyration, the dead ahead of turntable 4 is fixed on by reductor installation position I 14, during driving, turntable 4 can be made to drive semi-girder 1 to do gyration by rotation of rotary table radius I 15, reductor is arranged on the dead ahead of turntable, make turntable structure space layout poor, and need the turntable using large-size, add structure and bear a heavy burden.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of turntable structure, and this structure integral layout is reasonable, lightweight, can effectively reduce car load rear axle load, reduces rotation of rotary table radius little, significantly improves efficiency of construction.
To achieve these goals, a kind of turntable structure that the utility model adopts, comprise the turntable be arranged on by revolving support on vehicle frame, the semi-girder that one end is connected with turntable, described turntable is fixed on the border of support installing hole formation by the welding bead on base plate, realize the connection of turntable and revolving support, described boom point is movably arranged on turntable top, semi-girder is provided with amplitude oil cylinder, the other end of amplitude oil cylinder is arranged on turntable, this turntable structure is tall and thin shape, the anterior-posterior length size of turntable is less than the height dimension of turntable, turntable plate upper surface is all fixed in the border of support installing hole formation for the welding bead that the structural member installing jib uses,
Described boom point is arranged on turntable top inner side, and the turntable that turntable is connected with semi-girder-semi-girder axis hole II is higher than the semi-girder cylindrical shell height under driving states;
Turntable bearing II is installed in described turntable, turntable bearing II has the turntable-oil cylinder axis hole II installing amplitude oil cylinder, be arranged on turntable on through turntable-oil cylinder axis hole II by one end of amplitude oil cylinder by bearing pin, the other end of amplitude oil cylinder is arranged on semi-girder by bearing pin.
As further improvement of the utility model, the both sides of turntable are respectively equipped with turntable riser II, and the quantity of the turntable riser II of every side is two.
Further, the quantity of turntable bearing II is a pair, and turntable bearing II is arranged on the centre position in turntable.
Further, the lower end of turntable bearing II and the spacing of turntable base plate are greater than 0cm.
Further, both sides, turntable low back place are respectively provided with a little box-structure, in cellular.
Further, the right front of turntable is provided with the reductor installation position II of installing rotary reducer, and drive turntable to do left and right gyration by rotary reducer, rotation of rotary table radius II is the distance of rotary middle spindle to rotary reducer outer of turntable.
The utility model additionally provides a kind of fire fighting truck, this fire fighting truck is equipped with the turntable structure described in above-mentioned any one.
Turntable structure entirety of the present utility model is in tall and thin type, and the anteroposterior dimension of turntable is less than height dimension simultaneously, and effectively reduce turntable weight, compared with existing structure form, weight can alleviate 30%-40%, improves the operating efficiency of fire fighting truck; The part that base plate top is welded with it is confined to, within the scope of revolving support week collar aperture, the active force of turntable to be directly delivered to revolving support, to avoid the excessive and problem of poor rigidity of base plate size, and is conducive to the radius of gyration reducing turntable; Simultaneously turntable top is not placed in below semi-girder completely, but is wrapped up by boom point, is formed and occurs simultaneously, and avoids exposing of semi-girder tail structure and fluid pressure line, improves car load aesthetics; The turntable that turntable is connected with semi-girder-semi-girder axis hole II is higher than semi-girder cylindrical shell, be equivalent to this axis hole elevated height, increase turntable-oil cylinder axis hole II for installing amplitude oil cylinder and for semi-girder is installed turntable-semi-girder axis hole II between distance, the stability of arm-stretching exercise when being conducive to improving vehicle operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing fire fighting truck;
Fig. 2 is existing turntable structure schematic diagram;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view after removing contilever structure in Fig. 2;
Fig. 5 is turntable structure schematic diagram of the present utility model;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the top view after removing contilever structure in Fig. 5;
In figure: 1, semi-girder, 2, rotary middle spindle, 3, bearing pin, 4, turntable, 5, vehicle frame, 6, revolving support, 7, amplitude oil cylinder, 8, turntable-oil cylinder axis hole I, 9, turntable-semi-girder axis hole I, 10, turntable riser I, 11, turntable base plate, 12, turntable bearing I, 13, support installing hole, 14, reductor installation position I, 15, rotation of rotary table radius I, 16, turntable riser II, 17, reductor installation position II, 18, turntable-oil cylinder axis hole II, 19, turntable-semi-girder axis hole II, 20, turntable bearing II, 21, rotation of rotary table radius II.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 5, shown in Fig. 6 and Fig. 7, a kind of turntable structure, comprise the turntable 4 be arranged on by revolving support 6 on vehicle frame 5, the semi-girder 1 that one end is connected with turntable 4, described turntable 4 is fixed on the border of support installing hole 13 formation by the welding bead on base plate, realize the connection of turntable 4 and revolving support 6, described semi-girder 1 end is movably arranged on turntable 4 top, semi-girder 1 is provided with amplitude oil cylinder 7, the other end of amplitude oil cylinder 7 is arranged on turntable 4, this turntable structure is tall and thin shape, the anterior-posterior length size of turntable 4 is less than the height dimension of turntable, turntable 4 plate upper surface is all fixed in the border of support installing hole 13 formation for the welding bead that the structural member installing jib uses,
Described semi-girder 1 end is arranged on turntable 4 top inner side, and the turntable that turntable 4 is connected with semi-girder 1-semi-girder axis hole II 19 is higher than the semi-girder 1 cylindrical shell height under driving states, i.e. turntable-semi-girder axis hole II 19 is positioned at the top of semi-girder 1 cylindrical shell under horizontal holding state;
In described turntable 4, turntable bearing II 20 is installed, turntable bearing II 20 has the turntable-oil cylinder axis hole II 18 installing amplitude oil cylinder 7, be arranged on turntable 4 on through turntable-oil cylinder axis hole II 18 by one end of amplitude oil cylinder 7 by bearing pin, the other end of amplitude oil cylinder 7 is arranged on semi-girder 1 by bearing pin.
The both sides of turntable 4 are respectively equipped with turntable riser II 16, and the quantity of the turntable riser II 16 of every side is two, effectively can improve the resistance to overturning of turntable structure.
The quantity of turntable bearing II 20 is a pair, turntable bearing II 20 is arranged on the centre position in turntable 4, the lower end of turntable bearing II 20 and the spacing of turntable base plate 11 are greater than 0cm, height by turntable bearing II 20 on turntable 4 improves, it is made directly not contact with turntable base plate 11, the force transmission so just produced by oil cylinder by the structure under bearing II is on base plate, the quantity of the amplitude oil cylinder 7 simultaneously used is one, job requirements can be met, also reduce vehicle-mounted heavy burden, simplify turntable structure.
Both sides, turntable 4 low back place are respectively provided with a little box-structure, in cellular, when people's trunk bending backwards, guarantee the overall uniform force of structure, ensure that the rigidity of turntable structure meets the requirements.
The right front of turntable 4 is provided with the reductor installation position II 17 of installing rotary reducer, turntable 4 is driven to do left and right gyration by rotary reducer, rotation of rotary table radius II 21 is the distance of rotary middle spindle 2 to the rotary reducer outer of turntable 4, this radius of gyration II is less than existing rotation of rotary table radius I 15, be convenient to optimize the topology layout on turntable, drive operating efficiency high.
In addition, the utility model also provides a kind of fire fighting truck, this fire fighting truck is equipped with the turntable structure described in above-mentioned any embodiment.
During use, turntable structure entirety is adopted the design of tall and thin type, and the anterior-posterior length size of its intermediate station 4 is less than the height dimension of turntable, can improve the topology layout of car body; By turntable-semi-girder axis hole II 19, the end of semi-girder 1 is arranged on the top of turntable 4, guarantee during installation that turntable 4 is not placed in below semi-girder 1, but semi-girder 1 end is wrapped up, formed and occur simultaneously, effectively avoid exposing of semi-girder 1 tail structure and fluid pressure line, also improve the aesthetics of car load; Be connected with amplitude oil cylinder 7 by turntable 4 by turntable-oil cylinder axis hole II 19, can use bearing pin, easy accessibility during installation, the other end of oil cylinder is arranged on semi-girder 1, realizes the action of semi-girder under the effect of oil cylinder; The parts that turntable base plate 11 directly welds with it are all welded on and support in installing hole 13 (border), the active force of turntable 4 can be directly delivered to revolving support 6, avoid the excessive and problem of poor rigidity of base plate size, and be conducive to the radius of gyration reducing turntable.Use this turntable structure, make the relative existing structure form of turntable 4 weight alleviate 30%-40%, reduce car load rear axle load, also reduce rotation of rotary table radius, also optimize hydraulic pressure and electric layout simultaneously, significantly improve the operating efficiency of fire fighting truck.
Claims (8)
1. a turntable structure, comprise the turntable (4) be arranged on by revolving support (6) on vehicle frame (5), the semi-girder (1) that one end is connected with turntable (4), welding bead on described turntable (4) base plate is fixed on and supports on installing hole (13) border that formed, realize the connection of turntable (4) and revolving support (6), described semi-girder (1) end is movably arranged on turntable (4) top, semi-girder (1) is provided with amplitude oil cylinder (7), the other end of amplitude oil cylinder (7) is arranged on turntable (4), it is characterized in that, this turntable structure is tall and thin shape, the anterior-posterior length size of turntable (4) is less than the height dimension of turntable, turntable (4) plate upper surface is all fixed on for the welding bead that the structural member installing jib uses and supports in installing hole (13) border that formed,
Described semi-girder (1) end is arranged on turntable (4) top inner side, and the turntable that turntable (4) is connected with semi-girder (1)-semi-girder axis hole II (19) is higher than semi-girder (1) the cylindrical shell height under driving states;
In described turntable (4), turntable bearing II (20) is installed, turntable bearing II (20) has the turntable-oil cylinder axis hole II (18) installing amplitude oil cylinder (7), be arranged on turntable (4) on through turntable-oil cylinder axis hole II (18) by one end of amplitude oil cylinder (7) by bearing pin, the other end of amplitude oil cylinder (7) is arranged on semi-girder (1) by bearing pin.
2. a kind of turntable structure according to claim 1, is characterized in that, the both sides of described turntable (4) are respectively equipped with turntable riser II (16), and the quantity of the turntable riser II (16) of every side is two.
3. a kind of turntable structure according to claim 1 and 2, is characterized in that, the quantity of described turntable bearing II (20) is a pair, and turntable bearing II (20) is arranged on the centre position in turntable (4).
4. a kind of turntable structure according to claim 3, is characterized in that, the lower end of described turntable bearing II (20) and the spacing of turntable base plate (11) are greater than 0cm.
5. a kind of turntable structure according to claim 1,2 or 4, is characterized in that, described both sides, turntable (4) low back place are respectively provided with a little box-structure, in cellular.
6. a kind of turntable structure according to claim 1,2 or 4, it is characterized in that, the right front of described turntable (4) is provided with the reductor installation position II (17) of installing rotary reducer, drive turntable (4) to do left and right gyration by rotary reducer, the rotary middle spindle (2) that rotation of rotary table radius II (21) is turntable (4) is to the distance of rotary reducer outer.
7. a kind of turntable structure according to claim 3, it is characterized in that, the right front of described turntable (4) is provided with the reductor installation position II (17) of installing rotary reducer, drive turntable (4) to do left and right gyration by rotary reducer, the rotary middle spindle (2) that rotation of rotary table radius II (21) is turntable (4) is to the distance of rotary reducer outer.
8. a fire fighting truck, is characterized in that, this fire fighting truck is equipped with the turntable structure described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130736.0U CN204655847U (en) | 2015-03-06 | 2015-03-06 | Turntable structure and fire fighting truck thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130736.0U CN204655847U (en) | 2015-03-06 | 2015-03-06 | Turntable structure and fire fighting truck thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204655847U true CN204655847U (en) | 2015-09-23 |
Family
ID=54126289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130736.0U Active CN204655847U (en) | 2015-03-06 | 2015-03-06 | Turntable structure and fire fighting truck thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204655847U (en) |
-
2015
- 2015-03-06 CN CN201520130736.0U patent/CN204655847U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202880674U (en) | Rotatable lifting hook assembly | |
| CN104742965A (en) | Land leveler swing front axle steering mechanism | |
| CN203610859U (en) | Tube section flipping platform | |
| CN201950383U (en) | Spot welding device for telescopic arm of crane | |
| CN201809761U (en) | Sleeve-type double anti-tilt bar compaction mechanism | |
| CN101920427A (en) | H-beam 45-degree turnover mechanism | |
| CN204655847U (en) | Turntable structure and fire fighting truck thereof | |
| CN203031207U (en) | Overturning welding platform of rectangular tube escalator monolithic | |
| CN102361249A (en) | Automatic remote control electric installation and maintenance vehicle | |
| CN201792154U (en) | 45-degree turnover mechanism for H-shaped steel | |
| CN201195851Y (en) | Excavator luffing jib folding apparatus | |
| CN201537788U (en) | Tower frame assembly device | |
| CN201183001Y (en) | Four-roller crusher nested revolving cylinder apparatus | |
| CN202926860U (en) | Long curved rod | |
| CN202006822U (en) | Oil cylinder base gravity transfer bracket for drum transporting vehicle | |
| CN103273910B (en) | A kind of portable vehicle pivot stud, turn around device | |
| CN208103784U (en) | A kind of bridge construction is removed obstacles equipment with road surface | |
| CN201082850Y (en) | Crawler crane main boom head | |
| CN102774747A (en) | Steering mechanism for travelling trolley of universal gantry crane | |
| CN202967942U (en) | Novel weight-balancing device for wrecker | |
| CN209350270U (en) | Manipulator pulldown takes the fixed device of tire | |
| CN202687788U (en) | Large vehicle movement steering mechanism of universal portal crane | |
| CN203031102U (en) | Movable type welding device | |
| CN201446363U (en) | Double-head single-operator welding machine | |
| CN201770432U (en) | A-Bracket for electric tire crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170117 Address after: 221004 Jiangsu Province, Xuzhou City Yunlong District No. 165 Patentee after: Xugong fire safety equipment Co. Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Patentee before: Xuzhou Heavy Machinery Co., Ltd. |