CN202482019U - Elevating arm support mechanism and elevating fire truck with same - Google Patents
Elevating arm support mechanism and elevating fire truck with same Download PDFInfo
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- CN202482019U CN202482019U CN201120544226XU CN201120544226U CN202482019U CN 202482019 U CN202482019 U CN 202482019U CN 201120544226X U CN201120544226X U CN 201120544226XU CN 201120544226 U CN201120544226 U CN 201120544226U CN 202482019 U CN202482019 U CN 202482019U
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- jib
- turntable
- bearing pin
- high beam
- act
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Abstract
The utility model discloses an elevating arm support mechanism. The connecting structure comprises a rotary table and an arm support, wherein the arm support is hinged on the rotary table through a pin shaft; a strengthening mechanism is arranged at one end, extending into the arm support, of the pin shaft; and the strengthening mechanism is fixedly connected with the arm support and the pin shaft simultaneously. In the elevating arm support mechanism, the arm support is hinged on the rotary table through the pin shaft, the strengthening mechanism is arranged at one end, extending into the arm support, of the pin shaft, and the strengthening mechanism is fixedly connected with the arm support and the pin shaft simultaneously, so that the effect of connecting the arm support with the rotary table through the pin shaft firmly is achieved and the swinging degree of the arm support is effectively reduced.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to the high beam mechanism of a kind of act.In addition, the utility model also relates to a kind of elevating fire truck with the high beam mechanism of above-mentioned act.
Background technology
Develop rapidly along with the Building technology level; Increasing high-rise is rised sheer from level ground; Be accompanied by the growth of high-rise quantity; Therefore various aloft work projects also grow with each passing day, and various machinery and the equipment that are used for aloft work have obtained sufficient development space, and elevating fire truck is exactly a kind of in numerous aloft work mechanical equipments.
Elevating fire truck be a kind of be equipped with lift high with fire extinguisher plant, can ascend a height and put out a fire and the fire extinguishing tanker of high-altitude fire-fighting and rescue, can be divided into types such as Elevating platform fire truck, water tower fire truck and fire fighting turnable ladder usually.
Elevating fire truck is equipped with support system, turntable, the high jib of act and fire extinguisher plant usually; Wherein, Lifting high jib and fire extinguisher plant is the major part that elevating fire truck carries out operation, just can make elevating fire truck arrive object height through lifting high jib just, puts out a fire through fire extinguisher plant again.Present elevating fire truck is from the consideration of saving the space; High jib will be lifted in the capital, and to be arranged to side collapsible, and promptly arm and turntable are hinged, and No. two arms then are hinged on the side on an arm top; This will make an arm produce distortion because of the moment of flexure that receives from No. two arms; And this distortion meeting if things go on like this has a strong impact on the service life of lifting high jib, and the person and device security is produced threat along with lifting that high jib reaches higher height and serious further.Therefore, lift between high jib and the turntable be connected just most important.If loosening phenomenon appears in the junction of the root of jib and turntable, with making whole jib structure bigger distortion occur, influence the flexible ride comfort of jib, even more serious is also to bury the hidden danger that threatens operational security.
The high beam mechanism of act used in the prior art that is shown in Figure 1, as shown in Figure 1, jib 1 is realized its luffing that centers on turntable 3 hinge-points motion through the expanding-contracting action of amplitude oil cylinder 2.From the cutaway view of Fig. 2, can find out between jib 1 and the turntable 3 hingedly through two bearing pins 4 that are arranged on both sides, bearing pin 4 is equipped with baffle plate 5 near the end of turntable 3 through screw 6.
Find in actual use; In the high beam mechanism of above-mentioned act of the prior art, bearing pin 4 only is to pass turntable 3 simultaneously not to be connected with jib 1 with jib 1, therefore; For the bigger jib of weight,, existing connection structure cause the jib deflection bigger thereby can producing distortion.Moreover for the side jib structure of high rice number, existing connection structure can't be alleviated the shaking degree of jib, influences whole vehicle stability and operational reliability.
The utility model content
The purpose of the utility model provides the high beam mechanism of a kind of act, this connection structure make between jib and the turntable be connected more firm.Another purpose of the utility model provides a kind of elevating fire truck with the high beam mechanism of above-mentioned act.
For solving the problems of the technologies described above, the utility model provides a kind of act high beam mechanism, comprising: turntable; Jib is hinged on the said turntable through bearing pin, and an end that stretches into said jib at said bearing pin is provided with strengthening mechanism, and said strengthening mechanism is captiveed joint with said bearing pin with said jib simultaneously.
Preferably, said bearing pin has the centre hole that connects vertically, and said strengthening mechanism comprises: baffle plate, have boss and connecting panel on it, and said boss stretches in the said centre hole, and said connecting panel is connected with said jib; Pressing plate is arranged in the said centre hole, is connected with said boss.
Preferably, between said jib and said bearing pin, be provided with axle sleeve.
Preferably, near the end of said turntable end cap is installed, on said end cap, sensor gear is installed at said bearing pin.
Preferably, said turntable is provided with lubricating cup, and said lubricating cup is communicated with gap between said bearing pin and the said turntable.
Preferably, be provided with pad in the gap between said turntable and said jib.
Preferably, said pad is a nylon spacer.
The utility model also provides a kind of elevating fire truck, and this elevating fire truck has the high beam mechanism of above-mentioned act.
The high beam mechanism of the act that the utility model provides is hinged on jib on the turntable through bearing pin; And an end that stretches into jib at bearing pin is provided with strengthening mechanism; This strengthening mechanism is captiveed joint with bearing pin with jib simultaneously; Such setting makes jib have the more firm effect that is connected, the shaking degree of having slowed down jib effectively with turntable through bearing pin.
The utility model a kind of preferred embodiment in, realized obtaining in real time the luffing state of jib through sensor installation gear on the end cap of bearing pin, reliably with the luffing extent control of jib in reasonable range.
Description of drawings
Fig. 1 is the existing structural representation of lifting high beam mechanism;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 lifts the structural representation of high beam mechanism for the utility model;
Fig. 4 is a B-B cutaway view among Fig. 3;
Fig. 5 is the front view of baffle plate;
Fig. 6 is the section-drawing of baffle plate.
The specific embodiment
The core of the utility model provides the high beam mechanism of a kind of act, this connection structure make between jib and the turntable be connected more firm.Another core of the utility model provides a kind of elevating fire truck with the high beam mechanism of above-mentioned act.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to the utility model shown in Figure 3 and lift the structural representation of the specific embodiment of high beam mechanism.
As can be seen from Figure 3, jib 30 is hinged on the turntable 10, and also has amplitude oil cylinder 80 to be hinged on simultaneously on jib 30 and the turntable 10, drives jib 30 around its jointed shaft rotation with turntable 10 through stretching of amplitude oil cylinder 80.
The as can be seen from Figure 4 concrete connection structure of jib 30 and turntable 10; Jib 30 is hinged on the turntable 10 through bearing pin 50, if bearing pin 50 just passes turntable 10 and jib 30, so such setting is unfavorable for jib 30 and turntable 10 firm being connected; When the weight of jib 30 is big; Such connection structure can be aggravated the distortion of jib 30 when jib 30 work, also can encourage the lateral deviation of jib 30 simultaneously along with the increase of jib 30 height, influences the stability and the operational reliability of jib 30.
Therefore, in order to reinforce being connected of jib 30 and turntable 10, an end that stretches into jib 30 at bearing pin 50 is provided with strengthening mechanism 70, and this strengthening mechanism 70 is captiveed joint with bearing pin 50 with jib 30.Such setting makes jib 30 have the more firm effect that is connected with turntable 10 through bearing pin 50, has alleviated the shaking degree of jib effectively.
Particularly, it can also be seen that from Fig. 4 that the set inside of bearing pin 50 becomes the structure of hollow; Have vertically the centre hole 51 that connects, strengthening mechanism 70 comprises baffle plate 71 and the pressing plate 73 that cooperates with baffle plate 71, and baffle plate 71 is installed in bearing pin 50 and stretches into an end of jib 30 and be fixed on the jib 30; The structure of baffle plate 71 can particularly can find out that baffle plate 71 has boss 711 and connecting panel 713 with reference to figure 5 and Fig. 6 from section-drawing shown in Figure 6; When mounted; Boss 711 is stretched in the centre hole 51 of bearing pin 50, use bolt to pass connecting panel 713 and be connected, and pressing plate 73 is put into centre hole 51 from the end that bearing pin 50 stretches out jib 30 with jib 30; Use bolt that pressing plate 73 is connected with the boss 711 of baffle plate 71; So just accomplished being connected of whole strengthening mechanism 70 and bearing pin 50 and jib 30, bearing pin 50 connected as one through strengthening mechanism 70 and jib 30, when jib 30 around its during with the jointed shaft rotation of turntable 10 bearing pin 50 also along with jib 30 rotates synchronously.
In order to guarantee that bearing pin 50 can rotate with jib 30 glibly; The inwall of the through hole that before bearing pin 50 being inserted turntables 10 and jib 30, cooperates with bearing pin 50 at jib 30 earlier welds an axle sleeve 90; Again bearing pin 50 is inserted in this axle sleeve 90 subsequently; So just help to reduce the friction that bearing pin 50 receives, both made things convenient for the installation of bearing pin 50 on jib 30, also guaranteed that bearing pin 50 can rotate with jib 30 swimmingly synchronously simultaneously.
Because turntable 10 is fixed; So bearing pin 50 when rotating synchronously with jib 30 and turntable 10 also can produce relative rotation; Rotation for fear of the frictional influence bearing pin 50 between bearing pin 50 and the turntable 10; Lubricating cup 11 can as shown in Figure 4ly be set on turntable 10, and these lubricating cup 11 internal memories are placed with lubricating oil, and lubricating cup 11 is communicated with gap between bearing pin 50 and the turntable 10; Lubricating oil in the lubricating cup 11 just can flow in the gap between bearing pin 50 and the turntable 10 and reduce the friction between the two like this, thereby has guaranteed that further bearing pin 50 can rotate with jib 30 swimmingly synchronously.
In addition; Because of bearing pin 50 in the course of the work stressed mainly concentrates on itself and the junction of turntable 10 and jib 30; Therefore the utility model adopts the short bearing pin 50 of two length to be installed in the two ends of turntable 10; Replaced a bearing pin 50 of only growing and penetratingly jib 30 has been hinged on the mounting means on the turntable 10, so just can alleviate the weight of the connection structure of whole jib 30 and turntable 10, helped the control of complete vehicle weight with a length.
In when work, jib 30 rotates luffing around its jointed shaft with turntable 10, and in order to guarantee the state of equilibrium of car load, the luffing degree of jib 30 will be controlled in certain scope, if only judge it is not accurate enough with the operating personal visual observations.Therefore, the utility model a kind of preferred embodiment in, be provided with end cap 40 at bearing pin 50 near the end of turntable 10, sensor installation gear 20 on end cap 40, the concrete installation site of this sensor gear 20 can be with reference to figure 3 and Fig. 4.Because bearing pin 50 connects as one and can rotate synchronously with jib 30 through strengthening mechanism 70 with jib 30; Therefore the end cap 40 that is installed in bearing pin 50 ends also can rotate with jib 30 synchronously; Sensor gear 20 is installed in the real-time monitoring that had both realized on the end cap 40 jib 30 luffing states, has also made things convenient for installation, dismounting and the maintenance of sensor gear 20 simultaneously.
The luffing state that is connected jib 30 when should be noted that in working order of jib 30 and turntable 10; Also should be noted that the assemblage gap between jib 30 and the turntable 10; Because the existence of this assemblage gap; May cause jib 30 after use after a while, can axially be subjected to displacement along the jointed shaft of jib 30 with turntable 10, this will make jib 30 be installed on the turntable 10 asymmetricly, the stressing conditions meeting at turntable 10 two ends so and different.Therefore; After being hinged on jib 30 on the turntable 10; Need pad 60 as shown in Figure 4 be set in the position of assemblage gap according to the size of assemblage gap; To avoid jib 30 because existing of assemblage gap and to the end skew of turntable 10, as a kind of failure-free embodiment, the nylon spacer that pad 60 adopts nylon materials to process.
Except the high beam mechanism of above-mentioned act; The utility model also provides a kind of elevating fire truck with the high beam mechanism of above-mentioned act; This elevating fire truck can be with the state work of stability and safety more because of having the high beam mechanism of above-mentioned act, and the weight of car load has also obtained reduction simultaneously.All belong to prior art as for the concrete structure of elevating fire truck and the connection structure of lifting high beam mechanism and elevating fire truck; Those of ordinary skill in the art can know and know that this paper repeats no more to the content that this part belongs to the prior art category.
More than high beam mechanism of the act that the utility model provided and elevating fire truck with it have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. lift high beam mechanism for one kind, comprising:
Turntable (10);
Jib (30) is hinged on the said turntable (10) through bearing pin (50),
It is characterized in that an end that stretches into said jib (30) at said bearing pin (50) is provided with strengthening mechanism (70), said strengthening mechanism (70) is captiveed joint with said bearing pin (50) with said jib (30) simultaneously.
2. the high beam mechanism of act as claimed in claim 1 is characterized in that, said bearing pin (50) has the centre hole (51) that connects vertically, and said strengthening mechanism (70) comprising:
Baffle plate (71) has boss (711) and connecting panel (713) on it, said boss (711) stretches in the said centre hole (51), and said connecting panel (713) is connected with said jib (30);
Pressing plate (73) is arranged in the said centre hole (51), is connected with said boss (711).
3. the high beam mechanism of act as claimed in claim 2 is characterized in that, between said jib (30) and said bearing pin (50), is provided with axle sleeve (90).
4. like the high beam mechanism of each described act in the claim 1 to 3, it is characterized in that, near the end of said turntable (10) end cap (40) is installed, sensor gear (20) is installed on said end cap (40) at said bearing pin (50).
5. the high beam mechanism of act as claimed in claim 4 is characterized in that said turntable (10) is provided with lubricating cup (11), and said lubricating cup (11) is communicated with gap between said bearing pin (50) and the said turntable (10).
6. the high beam mechanism of act as claimed in claim 5 is characterized in that, is provided with pad (60) in the gap between said turntable (10) and said jib (30).
7. the high beam mechanism of act as claimed in claim 6 is characterized in that said pad (60) is a nylon spacer.
8. an elevating fire truck has the high beam mechanism of act, it is characterized in that the high beam mechanism of said act is the high beam mechanism of each described act in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120544226XU CN202482019U (en) | 2011-12-22 | 2011-12-22 | Elevating arm support mechanism and elevating fire truck with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120544226XU CN202482019U (en) | 2011-12-22 | 2011-12-22 | Elevating arm support mechanism and elevating fire truck with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202482019U true CN202482019U (en) | 2012-10-10 |
Family
ID=46956458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120544226XU Expired - Fee Related CN202482019U (en) | 2011-12-22 | 2011-12-22 | Elevating arm support mechanism and elevating fire truck with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202482019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056865A (en) * | 2018-08-08 | 2018-12-21 | 江苏省船舶设计研究所有限公司 | Flexible cantilever crane suitable for coastal waters exploitation |
-
2011
- 2011-12-22 CN CN201120544226XU patent/CN202482019U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056865A (en) * | 2018-08-08 | 2018-12-21 | 江苏省船舶设计研究所有限公司 | Flexible cantilever crane suitable for coastal waters exploitation |
| CN109056865B (en) * | 2018-08-08 | 2024-05-10 | 江苏省船舶设计研究所有限公司 | Flexible arm support suitable for offshore exploitation |
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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: 20170224 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |