CN201647946U - Two grades conveying system, telescopic box type arm support and high altitude construction engineering machine - Google Patents
Two grades conveying system, telescopic box type arm support and high altitude construction engineering machine Download PDFInfo
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- CN201647946U CN201647946U CN2009202674639U CN200920267463U CN201647946U CN 201647946 U CN201647946 U CN 201647946U CN 2009202674639 U CN2009202674639 U CN 2009202674639U CN 200920267463 U CN200920267463 U CN 200920267463U CN 201647946 U CN201647946 U CN 201647946U
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Abstract
The utility model discloses a two grades conveying system used for transmitting power and signal of telescopic box type arm support. The system comprises a first grade tow chain (1) and a second tow chain (2); also comprises a first grade guiding box (31) inside a telescopic arm on the most internal side of the telescopic box type arm support. The tail (12) of the first grade tow chain (1) is fixed on the inner side of the bottom wall of the most external telescopic arm of the telescopic box type arm support, and the head (11) is connected with the tail of the first guiding box (31); the head (21) of the second tow chain (2) is fixed on the inner side of the upper wall of the most internal telescopic arm, and the tail (22) is connected with the head of the first guiding box (31). The system achieves high work reliability and high safety; can reduce the loading weight and save cost. The utility model further discloses a telescopic box type arm support including the two grades conveying system and a high altitude construction engineering machine including the arm support.
Description
Technical field
The utility model relates to the power and the signal conveys technical field of telescopic box jib, particularly a kind of two-stage delivery system; The utility model also relates to a kind of telescopic box jib that comprises this two-stage delivery system; The utility model relates to a kind of high-altitude operation engineering machinery that comprises this telescopic box jib in addition.
Background technology
High-altitude operation engineering machinery generally has chassis special, and lifting arm support is installed, thereby operate by the professional staff is transported to certain height, finishes tasks such as height rescue and aloft work operation.Elevating fire truck and aerial platform are two kinds of relatively representative type high-altitude operation engineering machineries.
The lifting arm support of above-mentioned two kinds of vehicles is telescopic box jib, and the jib of this type changes length by telescoping mechanism, thereby realizes the lifting and the reduction of jib.Described telescopic box jib is generally four joint telescopic booms and five joint telescopic booms.
At present, in the prior art, for four joint telescopic booms or five joint telescopic booms, the two-stage delivery system is generally adopted in the conveying of its power and signal, and described two-stage delivery system generally is meant the delivery system with two-stage drag chain; Described two-stage delivery system is arranged on the exterior side of jib, and captives joint with the arm head of each joint arm by bracing frame, thereby realizes described two-stage delivery system stretching with jib.In this section, described drag chain is meant the chain that is used to carry, protect cable and hydraulic hose safe operation.
From the above mentioned, in the prior art, two-stage delivery system operated by rotary motion is in the exterior side of jib, thereby when jib was flexible, the pipeline of exposure can be subjected to the influence of external environment condition, causes hydraulic hose aging, thereby buries accident potential, harm user's safety.In addition, because delivery system is external, also can influence the presentation quality of car load.
The utility model content
The technical problems to be solved in the utility model provides a kind of two-stage delivery system that is used for telescopic box jib, this system works reliability, safe, and can alleviate the weight of getting on the bus, save cost; Another technical matters that will solve of the utility model is for providing a kind of telescopic box jib that comprises this two-stage delivery system; Another technical matters that will solve of the utility model is for providing a kind of high-altitude operation engineering machinery that comprises this telescopic box jib.
For solving the problems of the technologies described above, the utility model provides a kind of two-stage delivery system, is used for the power and the signal transmission of telescopic box jib, comprises one-level drag chain and secondary drag chain; Further comprise and be positioned at the described telescopic box jib in-to-in one-level orientating box of inboard telescopic boom, the afterbody of described one-level orientating box is fixed in the afterbody of the 3rd joint arm, and described one-level orientating box supports the telescopic oil cylinder of described telescopic box jib by first roller; The afterbody of described one-level drag chain is fixed in the inside bottom wall of described telescopic box jib outermost telescopic boom, and its head is connected with the afterbody of described one-level orientating box; The head of described secondary drag chain is fixed in the described roof inboard of inboard telescopic boom, and afterbody is connected with the head of described one-level orientating box.
Preferably, further comprise the outside of being located at described one-level orientating box and limit described one-level orientating box left and right, on the inhibiting device of displacement on three directions.
Preferably, described telescopic box jib comprises four joint telescopic booms; The head of described one-level orientating box is supported in the diapire of the 4th joint arm by second roller; Described one-level drag chain is walked around the 3rd roller of being located at the second joint arm afterbody, and its afterbody is fixed in the head of first segment arm; The 4th roller of the cylinder head of described secondary drag chain by being located at described telescopic oil cylinder supports, and its head is fixed in the middle part of described the 4th joint arm.
Preferably, the diapire of described one-level orientating box has the spacing salient that lays respectively at described one-level orientating box both sides; Described inhibiting device is located at the afterbody of described the 4th joint arm, and comprises two limiting stoppers that lay respectively at described one-level orientating box both sides; The inboard of two described limiting stoppers all offers spacing groove along the sense of motion of described one-level orientating box, and two described spacing salients are arranged in two described spacing grooves respectively.
Preferably, the sidewall opposing end faces of described limiting stopper and described one-level orientating box, and be equipped with slide block between the diapire of the diapire of described one-level orientating box and described the 4th joint arm.
Preferably, described telescopic box jib comprises five joint telescopic booms; The outside of described one-level orientating box is set with the secondary orientating box movably, and the afterbody of described secondary orientating box is fixed in the afterbody of the 4th joint arm, and the head of described secondary orientating box is supported in the diapire of the 5th joint arm by second roller; Described inhibiting device further is located at the outside of described secondary orientating box.
Preferably, described one-level drag chain is walked around the 3rd roller of being located at the second joint arm afterbody, and its afterbody is fixed in the head of first segment arm; The 4th roller of the cylinder head of described secondary drag chain by being located at described telescopic oil cylinder supports, and its head is fixed in the afterbody of described the 5th joint arm.
Preferably, the diapire of described secondary orientating box has the spacing salient that lays respectively at described secondary orientating box both sides; Described inhibiting device is located at the afterbody of described the 5th joint arm, and comprises two limiting stoppers that lay respectively at described secondary orientating box both sides; The inboard of two described limiting stoppers all offers spacing groove along described secondary orientating box sense of motion, and two described spacing salients are arranged in two described spacing grooves respectively.
Preferably, between the diapire of the sidewall opposing end faces of described limiting stopper and described secondary orientating box, the diapire of described one-level orientating box and described secondary orientating box, and be equipped with slide block between the diapire of the diapire of described secondary orientating box and described the 5th joint arm.
In addition, for solving the problems of the technologies described above, the utility model also provides a kind of telescopic box jib, comprises above-mentioned each described two-stage delivery system.
Moreover for solving the problems of the technologies described above, the utility model also provides a kind of high-altitude operation engineering machinery, comprises above-mentioned described telescopic box jib.
Preferably, described high-altitude operation engineering machinery is elevating fire truck or aerial platform.
On the basis of existing technology, a kind of two-stage delivery system provided by the utility model, further comprise and be positioned at the described telescopic box jib in-to-in one-level orientating box of inboard telescopic boom, the afterbody of described one-level orientating box is fixed in the afterbody of the 3rd joint arm, and described one-level orientating box supports the telescopic oil cylinder of described telescopic box jib by first roller; The afterbody of described one-level drag chain is fixed in the inside bottom wall of described telescopic box jib outermost telescopic boom, and its head is connected with the afterbody of described one-level orientating box; The head of described secondary drag chain is fixed in the described roof inboard of inboard telescopic boom, and afterbody is connected with the head of described one-level orientating box.
Two-stage delivery system provided by the utility model is arranged in the inside of described jib on the basis of the existing mechanism of telescopic box jib, the structural arrangement compactness does not influence the layout of jib remaining part structure.Because this system is arranged at the inside of described jib, thereby power and signal conveys pipeline can not be subjected to the influence of external environment condition, and can not being easy to of the hydraulic hose that drag chain carried worn out, thereby can not bury accident potential, can not endanger user's safety.
In addition, because this two-stage delivery system is arranged at the inside of described jib, thereby need not to support its drag chain and orientating box by welding support, thereby make the quality of getting on the bus obviously alleviate, and saved the cost of support.
In sum, the functional reliability that is used for the two-stage delivery system of telescopic box jib provided by the utility model, safe, and can alleviate the weight of getting on the bus, save cost.
Description of drawings
Fig. 1 is the structural representation that is used for the two-stage delivery system of four joint telescopic booms among a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the inhibiting device of the two-stage delivery system that is used for four joint telescopic booms among a kind of embodiment of the utility model;
Fig. 3 is the structural representation that is used for the two-stage delivery system of five joint telescopic booms among a kind of embodiment of the utility model;
Fig. 4 is the structural representation of the inhibiting device of the two-stage delivery system that is used for five joint telescopic booms among a kind of embodiment of the utility model.
The specific embodiment
Core of the present utility model provides a kind of two-stage delivery system that is used for telescopic box jib, this system works reliability, safe, and can alleviate the weight of getting on the bus, save cost; Another core of the utility model is for providing a kind of telescopic box jib that comprises this two-stage delivery system; Another core of the utility model is for providing a kind of high-altitude operation engineering machinery that comprises this telescopic box jib.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 3, Fig. 1 is the structural representation that is used for the two-stage delivery system of four joint telescopic booms among a kind of embodiment of the utility model; Fig. 3 is the structural representation that is used for the two-stage delivery system of five joint telescopic booms among a kind of embodiment of the utility model.
In first kind of embodiment, two-stage delivery system provided by the utility model is used for the power and the signal transmission of telescopic box jib, comprises one-level drag chain 1 and secondary drag chain 2; Further comprise and be positioned at the described telescopic box jib in-to-in one-level orientating box 31 of inboard telescopic boom, particularly, one-level orientating box 31 is supported in the described inside bottom wall of inboard telescopic boom movably, the afterbody of one-level orientating box 31 is fixed in the afterbody of the 3rd joint arm 43, and one-level orientating box 31 supports the telescopic oil cylinder 6 of described telescopic box jib by first roller 51.
The afterbody 12 of one-level drag chain 1 is fixed in the inside bottom wall of described telescopic box jib outermost telescopic boom, and its head 11 is connected with the afterbody of one-level orientating box 31; The head 21 of secondary drag chain 2 is fixed in the described roof inboard of inboard telescopic boom, and afterbody 22 is connected with the head of one-level orientating box 31.
In this article, described two-stage delivery system is meant the transmission system with two-stage drag chain, one-level drag chain 1 and secondary drag chain 2 are used for bearing hydraulic flexible pipe and cable, the inside of one-level orientating box 31 is used to carry cable and hydraulic hard tube, described hydraulic hose and hydraulic hard tube are used to transmit hydraulic power, and described cable is used to transmit power supply power and signal source.
Two-stage delivery system provided by the utility model is built in the inside of described jib on the basis of the existing mechanism of telescopic box jib, the structural arrangement compactness does not influence the layout of jib remaining part structure.Because this system is arranged at the inside of described jib, thereby power and signal conveys pipeline can not be subjected to the influence of external environment condition, and can not being easy to of the hydraulic hose that drag chain carried worn out, thereby can not bury accident potential, can not endanger user's safety.
In addition, because this two-stage delivery system is arranged at the inside of described jib, thereby need not to support its one-level drag chain 1, secondary drag chain 2 and one-level orientating box 31 by welding support, thereby make the quality of getting on the bus obviously alleviate, and saved the cost of support.
Please refer to Fig. 2 and Fig. 4, Fig. 2 is the structural representation of the inhibiting device of the two-stage delivery system that is used for four joint telescopic booms among a kind of embodiment of the utility model; Fig. 4 is the structural representation of the inhibiting device of the two-stage delivery system that is used for five joint telescopic booms among a kind of embodiment of the utility model.
Second kind of embodiment of the present utility model is on the basis of above-mentioned first kind of embodiment, does to such an extent that further improve.
In second kind of embodiment, described two-stage delivery system further comprises carries out spacing inhibiting device to one-level orientating box 31, described inhibiting device to one-level orientating box 31 left and right, on carry out on three directions spacing.In the present embodiment, as shown in Figure 2, described left and right, last three directions are respectively the direction shown in arrow A among Fig. 2, B and the C.
Described two-stage delivery system is by being provided with inhibiting device, can restricted guidance box 3 left and right, on move on three directions, thereby guarantee the reliability of the work of this system, and then guarantee between telescopic each telescopic boom of box jib steadily flexible, reliability service.
Please refer to Fig. 1, the third embodiment of the utility model does to such an extent that further improve to above-mentioned second kind of embodiment.
In the third embodiment, described telescopic box jib comprises four joint telescopic booms, and each described telescopic boom is suit movably successively, and is followed successively by first segment arm 41, the second joint arm 42, the 3rd joint arm 43 and the 4th joint arm 44 from outside to inside; The afterbody 12 of one-level drag chain 1 is fixed in the inside bottom wall of first segment arm 41, and supports by the 3rd roller 53 that is arranged at the second joint arm, 42 afterbodys; The afterbody of one-level orientating box 31 is fixed in the afterbody of the 3rd joint arm 43, and its head is supported in the diapire of the 4th joint arm 44 by first roller 51; The head 21 of secondary drag chain 2 is fixed in the roof of the 4th joint arm 44.
This setup can so that described telescopic box jib under the effect of telescopic oil cylinder 6, its each telescopic boom can extend, thereby realizes the act height of described telescopic box jib; Its each telescopic boom can shrink, thereby realizes the landing of described telescopic box jib, and described telescopic box jib is steadily flexible, the functional reliability height.
Particularly, as shown in Figure 1, the afterbody 12 of one-level drag chain 1 can be fixed in the diapire of first segment arm 41 heads, afterbody 12 with respect to one-level drag chain 1 is fixed in the middle part of first segment arm 41 diapires or the diapire of afterbody, this setup, can more conveniently realize effectively that the second joint arm 42 all stretches out or regains from first segment arm 41, and flexible steady, the reliability height; Being fixed in first segment arm 41 exterior hydraulic hard tubes is communicated with the hydraulic hose of one-level drag chain 1 carrying.
Particularly, as shown in Figure 1, the head 21 of secondary drag chain 2 is fixed in the roof at the 4th joint arm 44 middle parts, be fixed in the roof of the 4th joint arm 44 heads or the roof of afterbody with respect to head 21 with secondary drag chain 2, this setup, can stretch out from the 3rd joint arm 43 thereby support the 4th joint arm 44 so that secondary drag chain 2 has suitable length; The hydraulic hard tube that is fixed in the 4th joint arm 44 roofs is communicated with the hydraulic hose of secondary drag chain 2 carryings.
In addition, as shown in Figure 1, the cylinder head top of the telescopic oil cylinder 6 of described telescopic box jib is provided with the 4th roller 54, is used to support secondary drag chain 2, and the cylinder head bottom of telescopic oil cylinder 6 is provided with first roller 51, is used for telescopic oil cylinder 6 is supported in one-level orientating box 31.
Please refer to Fig. 2, can do further to be provided with the inhibiting device among above-mentioned the third embodiment.Particularly, the diapire of one-level orientating box 31 has the spacing salient 311 that lays respectively at one-level orientating box 31 both sides; Described inhibiting device is located at the afterbody of the 4th joint arm 44, and comprises two limiting stoppers 71 that lay respectively at one-level orientating box 31 both sides; The inboard of two limiting stoppers 71 all offers 711, two spacing salients 311 of spacing groove along the sense of motion of one-level orientating box 31 and lays respectively in two spacing grooves 711.
Obviously, above-mentioned improved procedure effectively realized one-level orientating box 31 left and right, on spacing on three directions, simultaneously because this inhibiting device is arranged at the afterbody of the 4th joint arm 44, thereby one-level orientating box 31 is in the crank motion process, can not break away from this inhibiting device, be subjected to the spacing of this inhibiting device all the time.In addition, because spacing on left and right direction of inhibiting device, thereby one-level orientating box 31 can double swerve; Since inhibiting device " on " spacing on the direction, thereby lift in the high process at jib, one-level orientating box 31 can not break away from the support of the diapire of the 4th joint arm 44, thereby the functional reliability of this system is higher.
In addition, the sidewall opposing end faces of limiting stopper 71 and one-level orientating box 31, and be equipped with slide block 72 between the diapire of the diapire of one-level orientating box 31 and the 4th joint arm 44.This setup can reduce the frictionally damage that one-level orientating box 31, limiting stopper 71 and the 4th joint arm 44 are caused, thereby prolong its service life.
Please refer to Fig. 3, the 4th kind of embodiment of the present utility model does to such an extent that further improve to above-mentioned second kind of embodiment.
In the 4th kind of embodiment, described telescopic box jib comprises five joint telescopic booms, and each described telescopic boom is suit movably successively, and is followed successively by first segment arm 41, the second joint arm 42, the 3rd joint arm 43, the 4th joint arm 44 and the 5th joint arm 45 from outside to inside; The afterbody of secondary orientating box 32 is fixed in the afterbody of the 4th joint arm 44, and the head of secondary orientating box 32 is supported in the diapire of the 5th joint arm 45 by second roller 52.
Described inhibiting device restriction secondary orientating box 32 left and right, on displacement on three directions, and then to one-level orientating box 31 left and right, on carry out on three directions spacing.Described left and right, last three directions are respectively the direction shown in arrow A among Fig. 4, B and the C.
This setup can so that described telescopic box jib under the effect of telescopic oil cylinder 6, its each telescopic boom can extend, thereby realizes the act height of described telescopic box jib; Its each telescopic boom can shrink, thereby realizes the landing of described telescopic box jib, and described telescopic box jib is steadily flexible, the functional reliability height.
Particularly, as shown in Figure 3, the afterbody 12 of one-level drag chain 1 is fixed in the diapire of first segment arm 41 heads, and by being arranged at the 3rd roller 53 supports of the second joint arm, 42 afterbodys, afterbody 12 with respect to one-level drag chain 1 is fixed in the middle part of first segment arm 41 diapires or the diapire of afterbody, and this setup can more conveniently realize effectively that the second joint arm 42 all stretches out or regains from first segment arm 41, and steadily flexible, the reliability height; Being fixed in first segment arm 41 exterior hydraulic hard tubes is communicated with the hydraulic hose of one-level drag chain 1 carrying.
The head 21 of secondary drag chain 2 is fixed in the roof of the 5th joint arm 45 afterbodys, this setup, can so that secondary drag chain 2 have suitable length, stretch out from the 4th joint arm 44 thereby support the 5th joint arm 45; The hydraulic hard tube that is fixed in the 5th joint arm 45 roofs is communicated with the hydraulic hose of secondary drag chain 2 carryings.
The cylinder head top of the telescopic oil cylinder 6 of described telescopic box jib is provided with the 4th roller 54, is used to support secondary drag chain 2, and the cylinder head bottom of telescopic oil cylinder 6 is provided with first roller 51, is used for telescopic oil cylinder 6 is supported in one-level orientating box 31.This setup supports secondary drag chain 2 on the one hand, makes telescopic oil cylinder 6 motions steadily on the other hand, thereby the functional reliability height.
Please refer to Fig. 4, can do further to be provided with the inhibiting device among above-mentioned the 4th kind of embodiment.Particularly, the diapire of secondary orientating box 32 has the spacing salient 321 that lays respectively at secondary orientating box 32 both sides; Described inhibiting device is located at the afterbody of the 5th joint arm 45, and comprises two limiting stoppers 71 that lay respectively at secondary orientating box 32 both sides; The inboard of two limiting stoppers 71 all offers 711, two spacing salients 321 of spacing groove along secondary orientating box 32 sense of motions and lays respectively in two spacing grooves 711.
Obviously, above-mentioned improved procedure effectively realized secondary orientating box 32 left and right, on spacing on three directions, simultaneously because this inhibiting device is arranged at the afterbody of the 5th joint arm 45, thereby secondary orientating box 32 is in the crank motion process, can not break away from this inhibiting device, be subjected to the spacing of this inhibiting device all the time.In addition, because spacing on " left and right " direction of inhibiting device, thereby secondary orientating box 32 can double swerve; Since inhibiting device " on " spacing on the direction, thereby lift in the high process at jib, secondary orientating box 32 can not break away from the support of the diapire of the 5th joint arm 45, thereby functional reliability is higher, has steadily realized the flexible of jib.
In addition, between the diapire of the sidewall opposing end faces of limiting stopper 71 and secondary orientating box 32, the diapire of secondary orientating box 32 and the 5th joint arm 45, and be equipped with slide block 72 between the diapire of the diapire of one-level orientating box 31 and secondary orientating box 32.This setup can reduce the frictionally damage that secondary orientating box 32, one-level orientating box 31, limiting stopper 71 and the 5th joint arm 45 are caused, thereby prolong its service life.
Telescopic box jib provided by the utility model comprises the described two-stage delivery system of above-mentioned any specific embodiment; Other parts of described telescopic box jib can be with reference to prior art, and this paper no longer launches.
High-altitude operation engineering machinery provided by the utility model comprises above-mentioned described telescopic box jib; Other parts of described high-altitude operation engineering machinery can be with reference to prior art, and this paper no longer launches.
Particularly, described high-altitude operation engineering machinery is elevating fire truck or aerial platform.
More than two-stage delivery system provided by the utility model, telescopic box jib and high-altitude operation engineering machinery are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.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 (12)
1. a two-stage delivery system is used for the power and the signal transmission of telescopic box jib, comprises one-level drag chain (1) and secondary drag chain (2); It is characterized in that, further comprise and be positioned at described telescopic box jib the most inboard telescopic boom in-to-in one-level orientating box (31), the afterbody of described one-level orientating box (31) is fixed in the afterbody of the 3rd joint arm (43), and described one-level orientating box (31) supports the telescopic oil cylinder (6) of described telescopic box jib by first roller (51); The afterbody (12) of described one-level drag chain (1) is fixed in the inside bottom wall of described telescopic box jib outermost telescopic boom, and its head (11) is connected with the afterbody of described one-level orientating box (31); The head (21) of described secondary drag chain (2) is fixed in the described roof inboard of inboard telescopic boom, and afterbody (22) is connected with the head of described one-level orientating box (31).
2. two-stage delivery system as claimed in claim 1 is characterized in that, further comprise the outside of being located at described one-level orientating box (31) and limit described one-level orientating box (31) left and right, on the inhibiting device of displacement on three directions.
3. two-stage delivery system as claimed in claim 2 is characterized in that, described telescopic box jib comprises four joint telescopic booms; The head of described one-level orientating box (31) is supported in the diapire of the 4th joint arm (44) by second roller (52); Described one-level drag chain (1) is walked around the 3rd roller (53) of being located at second joint arm (42) afterbody, and its afterbody (12) is fixed in the head of first segment arm (41); The 4th roller (54) of the cylinder head of described secondary drag chain (2) by being located at described telescopic oil cylinder (6) supports, and its head (21) is fixed in the middle part of described the 4th joint arm (44).
4. two-stage delivery system as claimed in claim 3 is characterized in that, the diapire of described one-level orientating box (31) has the spacing salient (311) that lays respectively at described one-level orientating box (31) both sides; Described inhibiting device is located at the afterbody of described the 4th joint arm (44), and comprises two limiting stoppers (71) that lay respectively at described one-level orientating box (31) both sides; The inboard of two described limiting stoppers (71) all offers spacing groove (711) along the sense of motion of described one-level orientating box (31), and two described spacing salients (311) lay respectively in two described spacing grooves (711).
5. two-stage delivery system as claimed in claim 4, it is characterized in that, the sidewall opposing end faces of described limiting stopper (71) and described one-level orientating box (31), and be equipped with slide block (72) between the diapire of the diapire of described one-level orientating box (31) and described the 4th joint arm (44).
6. two-stage delivery system as claimed in claim 2 is characterized in that, described telescopic box jib comprises five joint telescopic booms; The outside of described one-level orientating box (31) is set with secondary orientating box (32) movably, the afterbody of described secondary orientating box (32) is fixed in the afterbody of the 4th joint arm (44), and the head of described secondary orientating box (32) is supported in the diapire of the 5th joint arm (45) by second roller (52); Described inhibiting device further is located at the outside of described secondary orientating box (32).
7. two-stage delivery system as claimed in claim 6 is characterized in that, described one-level drag chain (1) is walked around the 3rd roller (53) of being located at second joint arm (42) afterbody, and its afterbody (12) is fixed in the head of first segment arm (41); Described secondary drag chain (2) supports by the 4th roller (54) of being located at described telescopic oil cylinder (6) cylinder head, and its head (21) is fixed in the afterbody of described the 5th joint arm (45).
8. as claim 6 or 7 described two-stage delivery systems, it is characterized in that the diapire of described secondary orientating box (32) has the spacing salient (321) that lays respectively at described secondary orientating box (32) both sides; Described inhibiting device is located at the afterbody of described the 5th joint arm (45), and comprises two limiting stoppers (71) that lay respectively at described secondary orientating box (32) both sides; The inboard of two described limiting stoppers (71) all offers spacing groove (711) along described secondary orientating box (32) sense of motion, and two described spacing salients (321) lay respectively in two described spacing grooves (711).
9. two-stage delivery system as claimed in claim 8, it is characterized in that, between the diapire of the diapire of the sidewall opposing end faces of described limiting stopper (71) and described secondary orientating box (32), described one-level orientating box (31) and described secondary orientating box (32), and be equipped with slide block (72) between the diapire of the diapire of described secondary orientating box (32) and described the 5th joint arm (45).
10. a telescopic box jib is characterized in that, comprises as each described two-stage delivery system of claim 1 to 9.
11. a high-altitude operation engineering machinery is characterized in that, comprises telescopic box jib as claimed in claim 10.
12. high-altitude operation engineering machinery as claimed in claim 11 is characterized in that, described high-altitude operation engineering machinery is elevating fire truck or aerial platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202674639U CN201647946U (en) | 2009-11-06 | 2009-11-06 | Two grades conveying system, telescopic box type arm support and high altitude construction engineering machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202674639U CN201647946U (en) | 2009-11-06 | 2009-11-06 | Two grades conveying system, telescopic box type arm support and high altitude construction engineering machine |
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| CN201647946U true CN201647946U (en) | 2010-11-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102942149A (en) * | 2012-11-28 | 2013-02-27 | 长沙中联消防机械有限公司 | Flexible pipe line conveying device and aerial work equipment provided with flexible pipe line conveying device |
| CN102050410B (en) * | 2009-11-06 | 2013-04-03 | 徐州重型机械有限公司 | Two-stage conveyor system, telescopic box type arm support and aerial working engineering machinery |
| CN111153333A (en) * | 2020-01-22 | 2020-05-15 | 徐工消防安全装备有限公司 | Telescopic working arm, telescopic operation device and elevating fire truck |
-
2009
- 2009-11-06 CN CN2009202674639U patent/CN201647946U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050410B (en) * | 2009-11-06 | 2013-04-03 | 徐州重型机械有限公司 | Two-stage conveyor system, telescopic box type arm support and aerial working engineering machinery |
| CN102942149A (en) * | 2012-11-28 | 2013-02-27 | 长沙中联消防机械有限公司 | Flexible pipe line conveying device and aerial work equipment provided with flexible pipe line conveying device |
| CN102942149B (en) * | 2012-11-28 | 2016-03-30 | 长沙中联消防机械有限公司 | Flexible pipe line feedway and there is its aerial lift device |
| CN111153333A (en) * | 2020-01-22 | 2020-05-15 | 徐工消防安全装备有限公司 | Telescopic working arm, telescopic operation device and elevating fire truck |
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