CN101725765B - Built-in cable and hydraulic hose conveying device - Google Patents
Built-in cable and hydraulic hose conveying device Download PDFInfo
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- CN101725765B CN101725765B CN2008101711255A CN200810171125A CN101725765B CN 101725765 B CN101725765 B CN 101725765B CN 2008101711255 A CN2008101711255 A CN 2008101711255A CN 200810171125 A CN200810171125 A CN 200810171125A CN 101725765 B CN101725765 B CN 101725765B
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Abstract
The invention discloses a built-in cable and hydraulic hose conveying device. The rear end of a middle arm link is provided with a first guide part; a cable and a hydraulic hose enter a cavity between a bottom arm link and the middle arm link from the head part of the bottom arm link respectively and turn to the inner cavity of a top arm link after going around the first guide part; when the top arm link and the middle arm link of a telescopic box type arm extend out, the cable and the hydraulic hose in the top arm link move with the top arm link, and at the same time, the first guide part moves with the middle arm link; and the cable and the hydraulic hose can extend at the same time, namely, the cable and the hydraulic hose can synchronously perform telescopic movement with the telescopic frame to complete the transmission of power and signals. Preferably, a tensioning device is arranged on the outside surface of the bottom arm link between a second guide part and a first fixed part to keep the cable and the hydraulic hose in a tensioned state, so that potential accidents caused by the looseness of the cable and the hose are avoided.
Description
Technical field
The present invention relates to the power and the control signal conveying technology of workpiece on the telescopic box arm, be specifically related to a kind of built-in cable and hydraulic hose conveying device.
Background technique
Telescopic box arm class fire-fighting truck and high-altitude operation vehicle are equipped with mechanisms such as fire-fighting bubble or working platform on the jib top, can realize functions such as water spray, rescue, high-lift operation.Need get off during work provides power source and control signal by cable hydraulic pipeline transporting system.
The arrangement of traditional cable hydraulic pipeline transporting system has three kinds: external, built-in, hybrid.Wherein, complexity, outward appearance difficult treatment, cost are higher for the structure of external cable hydraulic pipeline transporting system; Built-in cable hydraulic pipe line transporting system adopts the drag chain supporting way mostly, and whole transporting system is made up of drag chain, orientating box, and as shown in Figure 1, hydraulic pipe line and cable trunk are arranged in the drag chain, is supported cable hydraulic pipeline and drag chain servo-actuated by drag chain.Drag chain is followed the synchronization telescope that respectively saves arm and is moved, thereby guarantees the transmission of signal and power, has solved the problem of the outward appearance difficult treatment of outlet structure existence.
But this kind structural configuration requisite space is big, for the complicated less jib form of jib structure and cross section of structure, arranges that difficulty is bigger, is difficult for realizing; In addition, existing built-in no carrying cable hydraulic pipe line transporting system is difficult for adjusting after in use relaxing appears in cable and hydraulic hose, buries accident potential easily, harm user's safety.
In view of this, demand developing the new design of a kind of built-in cable and hydraulic hose conveying device urgently, to save the required space of structural configuration.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, provides a kind of required installing space less built-in cable and hydraulic hose conveying device, with the power of realizing variable range between power source and signal source and the control point reliably and the transmission of signal.
Built-in cable provided by the invention and hydraulic hose conveying device are arranged on the telescopic box arm, comprise first guide element of the rearward end that is arranged on insert jib section; And the head that cable and hydraulic hose save from bottom arm respectively enters the cavity between bottom arm joint and the insert jib section, the circuitous top arms joint inner chamber that enters behind described first guide element of pile warp.
Preferably, also comprise at least one first fixed component and at least one second fixed component; Described at least one first fixed component is arranged on the described bottom arm joint, is used for fixing the relative position between cable and hydraulic hose and the bottom arm joint; Described at least one second fixed component is arranged on the described top arms joint, is used for fixing the relative position between cable and hydraulic hose and the top arms joint.
Preferably, described first fixed component is specially one, is arranged on the head of described bottom arm joint; Described second fixed component is specially one, is arranged on the afterbody of described top arms joint.
Preferably, described first fixed component and second fixed component are split-type structural up and down, comprise base and pressing plate; Described base is fixedly installed on the arm joint; Described pressing plate is connected with base by threaded connector; Described cable and hydraulic hose place between described base and the pressing plate.
Preferably, comprise also being arranged on the second anterior guide element of bottom arm joint that cable and hydraulic hose pile warp are arranged on the circuitous cavity that enters between bottom arm joint and the insert jib section behind second guide element of described bottom arm section header portion.
Described first guide element and second guide element are and can save the upper saw pulley that is rotationally connected with respective arms.
Preferably, also comprise tension device; The bottom arm that described tension device is arranged between described second guide element and first fixed component saves on the outer surface, is used to keep cable and hydraulic hose to be in tensioning state.
Preferably, described tension device comprises guiding screw pole, compacting part, stage clip and gland nut; Fixedly connected with the outer surface of bottom arm joint in the lower end of described guiding screw pole, its upper end has outside thread; Described compacting part is sleeved on the guiding screw pole, and its lower surface and cable and hydraulic hose offset; Described compression spring sleeve is contained on the guiding screw pole of described compacting part top, and its lower end surface and described compacting part offset; The upper end screw-thread fit of described gland nut and described guiding screw pole, the upper-end surface of its lower end surface and described stage clip offsets, and rotates the decrement that described gland nut changes described stage clip, is used for the tension force of corrective action in cable and hydraulic hose.
Preferably, also comprise described guiding screw pole screw-thread fit locking nut with gland nut top.
Preferably, on the axial cross section of described compacting part, described compacting part middle part is the indent arcuation that offsets with cable and hydraulic hose.
Built-in cable provided by the invention and hydraulic hose conveying device are compared with prior art, existing built-in cable hydraulic pipe line transporting system is subjected to the restriction of himself structure, needed installing space is bigger, can't be applicable to the less jib form of jib structure and cross section that structure is complicated; And in the technological scheme of the present invention, be provided with first guide element in the rearward end of described insert jib section; The head that cable and hydraulic hose save from bottom arm respectively enters the cavity between bottom arm joint and the insert jib section, the circuitous top arms joint inner chamber that enters behind described first guide element of pile warp, when the top arms of described telescopic box arm joint and insert jib section stretch out, cable that the top arms joint is inner and hydraulic hose are subjected to displacement with the top arms joint, meanwhile first guide element is subjected to displacement with insert jib section, like this, place behind cable between bottom arm joint and the insert jib section and described first guide element of hydraulic hose pile warp circuitously, protract with head cable and hydraulic hose; When top arms joint and insert jib section withdrawal, process is opposite.
It is inner that cable of the present invention and hydraulic hose are arranged in the arm joint, walking around first guide element will couple together between power source, signal source and the control point, cable and hydraulic hose can stretch simultaneously, be cable and hydraulic hose can with the telescopic jib synchronization telescope, can finish the transmission of power and signal reliably, have simple in structure, reliable, required installing space features of smaller; Simultaneously, effectively weight reduction of this device, saving cost.
In the preferred version of the present invention, head at described bottom arm joint is provided with first fixed component, be used for fixing relative position between described cable and hydraulic hose and the bottom arm joint, afterbody at described top arms joint is provided with second fixed component, is used for fixing the relative position between described cable and hydraulic hose and the top arms joint.Along with telescopic boom saves fore and aft motion repeatedly, there is not relative movement between the flexible pipe of the bottom arm joint outside and top arms joint inner chamber and the arm joint, therefore, the cable and the hydraulic hose at above-mentioned two places are fixed, can be avoided fore and aft motion to influence between cable and hydraulic hose and other parts and reliably be connected.
In another preferred version of the present invention, have additional tension device, the bottom arm that this tension device is arranged between described second guide element and first fixed component saves on the outer surface, be used to keep cable and hydraulic hose to be in tensioning state, to avoid the loose and accident potential that exists of cable and hydraulic hose.
Built-in cable provided by the invention and hydraulic hose conveying device are applicable to the engineering machinery with telescopic box arm.
Description of drawings
Fig. 1 is the overall structure schematic representation of existing built-in cable hydraulic pipe line transporting system;
Fig. 2 is the overall structure schematic representation of built-in cable of the present invention and hydraulic hose conveying device;
Fig. 3 shows arm and saves when stretching out, the overall structure schematic representation of built-in cable of the present invention and hydraulic hose conveying device;
Fig. 4 is the described structural representation of split type fixed component up and down
Fig. 5 is the structural representation of tension device of the present invention.
Among Fig. 2-Fig. 4:
Embodiment
Core concept of the present invention is that the rearward end at described insert jib section is provided with first guide element, the head that cable and hydraulic hose save from bottom arm respectively enters the cavity between bottom arm joint and the insert jib section, the circuitous top arms joint inner chamber that enters behind described first guide element of pile warp, to couple together between power source, signal source and the control point, when the arm joint stretches out, cable and hydraulic hose can stretch simultaneously, be cable and hydraulic hose can with the telescopic jib synchronization telescope, and then finish the transmission of power and signal.
Specify present embodiment below in conjunction with Figure of description.
Referring to Fig. 2, this figure is the overall structure schematic representation of built-in cable of the present invention and hydraulic hose 40 feedways, and what double dot dash line partly was depicted as telescopic box arm among the figure respectively saves arm: top arms joint 10, insert jib section 20 and bottom arm joint 30.
As shown in Figure 2, first guide element 1 is arranged on the rearward end of insert jib section 20, upper side wall needs according to actual conditions insert jib section 20 have assembly technology opening (not shown), are beneficial to the assembling of first guide element 1 and the layout of cable and hydraulic hose 40.
Shown in Fig. 2, cable and hydraulic hose 40 are saved 30 outer surface layout to head along bottom arm by the jib afterbody, after entering cavity between bottom arm joint 30 and the insert jib section 20 from the head of bottom arm joint 30, the circuitous top arms that enters in described first guide element of pile warp 1 back saves 10 inner chamber.Shown in Fig. 2, first guide element 1 adopts similar upper saw pulley to pulley structure, to reduce the friction that relative movement produces between cable and the hydraulic hose 40 and first guide element 1; Upper saw pulley is rotatable with respect to insert jib section 20, and cable and hydraulic hose place in the race (not shown).Be understandable that aforementioned race can be designed as one or more, that is to say that cable and hydraulic hose can place in the race, also can place respectively in a plurality of races.Further, on the insert jib section 20 in first guide element, 1 outside, also be provided with anticreep channel parts 5, in race, deviate to prevent cable and hydraulic hose, need to prove, described anticreep channel parts 5 can be the structural member of Any shape, such as, rod member, plate or the like.
During with final assembly, an end of described cable and hydraulic hose 40 is connected with the control point (not shown) on the chassis, and the other end is connected with the power unit of jib head.When the top arms of described telescopic box arm joint 10 and insert jib section 20 stretch out, cable and hydraulic hose 40 that top arms saves 10 inside are subjected to displacement with top arms joint 10, meanwhile first guide element 1 is subjected to displacement with insert jib section 20, like this, place cable and described first guide element of hydraulic hose 40 pile warps 1 back between bottom arm joint 30 and the insert jib section 20 circuitous, protract with head cable and hydraulic hose, concern referring to the position between each parts shown in Figure 3; When top arms joint 10 and insert jib section 20 withdrawals, process is opposite.
Than prior art, the present invention need not drag chain to the support of leading of cable and hydraulic hose, has simple in structure, required installing space features of smaller.
Further, as shown in Figure 2, also comprise first fixed component 21 and second fixed component 22; Described first fixed component 21 is arranged on the described bottom arm joint 30, is used for fixing the relative position between cable and hydraulic hose 40 and the bottom arm joint 30; Described second fixed component 22 is arranged on the described top arms joint 30, is used for fixing the relative position between cable and hydraulic hose 40 and the top arms joint 10.Along with telescopic boom saves fore and aft motion repeatedly, there is not relative movement between the cable of the bottom arm joint outside and top arms joint inner chamber and hydraulic hose and the arm joint, therefore, the cable and the hydraulic hose at above-mentioned two places are fixed, can avoid fore and aft motion to influence reliable connection between cable and hydraulic hose and other parts, and then improve whole aircraft reliability.
Be understandable that described first fixed component 21 and second fixed component 22 also can be set to a plurality of respectively, be used for fixing and arm joint between the cable and the hydraulic hose of no relative movement, with attached cable and hydraulic hose more reliably.
In fact, described first fixed component 21 and second fixed component 22 can adopt implemented in many forms, as long as satisfy the needs of attached cable and hydraulic hose.Referring to Fig. 4, the figure shows the locations of structures relation of split type knot fixed component up and down.Mainly comprise base 23 and pressing plate 24, described base 23 is fixedly installed on the arm joint; Described pressing plate 24 is connected with base 23 by threaded connector 25; Described cable and hydraulic hose 40 place between described base 23 and the pressing plate 24.
Further, as shown in Figure 2, second guide element 3 that also comprises the head that is arranged on bottom arm joint 30, cable and hydraulic hose 40 are along the circuitous cavity that enters between bottom arm joint 30 and the insert jib section 20 in described second guide element of the outer surface pile warp of bottom arm joint 30 3 backs.Equally, second guide element 3 also adopts similar upper saw pulley to pulley structure, and upper saw pulley is rotatable with respect to bottom arm joint 30, and two flexible pipes place in the race (not shown).
When arm joint fore and aft motion, move along with the motion cable of jib and hydraulic hose pile warp upper saw pulley, because there is certain elasticity in pipeline, phenomenon appears elongating in permanent athletic meeting.Again as shown in Figure 2, for avoiding the loose existing potential safety hazard of cable and hydraulic hose, also comprise tension device 4; The bottom arm that described tension device 4 is arranged between described second guide element 3 and first fixed component 21 saves on 30 outer surfaces, is used to keep cable and hydraulic hose to be in tensioning state.
What specify is; described tension device 4 is not limited to and places shown in Fig. 5 on the bottom arm joint 30, and in fact, it also can be arranged on (not shown) in the top arms joint; as long as satisfy the tensioning state that keeps cable and hydraulic hose, all in the protection domain of this patent.
Referring to Fig. 5, described tension device 4 comprises guiding screw pole 41, compacting part 42, stage clip 43, gland nut 44 and locking nut 45; Fixedly connected with the outer surface of bottom arm joint 30 in the lower end of described guiding screw pole 41, its upper end has outside thread; Described compacting part 42 is sleeved on the guiding screw pole 41, and its lower surface and cable and hydraulic hose 40 offset; Described stage clip 43 is sleeved on the guiding screw pole 41 of described compacting part 42 tops, and its lower end surface and described compacting part 42 offset; The upper end screw-thread fit of described gland nut 44 and described guiding screw pole 41, the upper-end surface of its lower end surface and described stage clip 43 offsets, and rotate the decrement that described gland nut 44 changes described stage clip 43, be used for the tension force of corrective action in cable and hydraulic hose 40, when cable and hydraulic hose are loose, the compressive strain that screws gland nut 44 and increase stage clips 43 get final product, thereby length assurance cable and the hydraulic hose of constantly adjusting self by the self adaption deformation of stage clip 43 are in tensioning state in real time.
Wherein, gland nut 44 is used for adjusting the tightness and the initial position of cable and hydraulic hose, locking nut 45 can guarantee that adjusted stage clip 43 is in stable condition constant, in the timing of transporting system initial loading, screwing or screwing out by gland nut 44, make stage clip 43 have certain pre compressed magnitude, guarantee that pinch roller is pressed on cable and the hydraulic hose all the time in the telescopic process of jib; After work a period of time, can whether take place by the static length of checking stage clip 43 to change to judge whether the working state of cable and hydraulic hose change has taken place, and readjust the tightness of cable and hydraulic hose by gland nut 44, at last by locking nut 45 lockings.
Shown in Figure 5, described guiding screw pole 41 be two and be symmetricly set on cable and the bottom arm of the both sides of hydraulic hose 40 joint on; The two ends of described compacting part 42 are set on two guiding screw poles 41; Described stage clip 43 be two respectively and be set on two guiding screw poles 41; Described gland nut 44 be two and respectively with two described guiding screw pole 41 screw-thread fit.Based on above-mentioned working principle, each parts of described tension device 4 can have different embodiments.
On the axial cross section of described compacting part 42, the indent arcuation of described compacting part middle part for offseting with cable and hydraulic hose 40, with better applying cable and hydraulic hose, avoid scratching, it can adopt wheel-like structure, also can adopt platy structure.
To sum up, it is inner that cable of the present invention and hydraulic hose are arranged in the arm joint, walking around first guide element will couple together between power source, signal source and the control point, when the arm joint stretches out, cable and hydraulic hose can stretch simultaneously, be cable and hydraulic hose can with the telescopic jib synchronization telescope, and then finish the transmission of power and signal.From the structural configuration aspect, built-in unsupported arrangement does not need drag chain to carry out supplemental support, guiding, has saved the arrangement space of jib internal structure greatly, helps the layout of structure; Simultaneously, owing to reduced supplementary structure, thus effectively provide cost savings.In addition, constantly adjust the length of self by the self adaption deformation of stage clip, thereby guarantee that cable and hydraulic hose are in tensioning state in real time.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. built-in cable and hydraulic hose conveying device are arranged on the telescopic box arm, it is characterized in that, comprising:
First guide element is arranged on the rearward end of insert jib section; And
The head that cable and hydraulic hose save from bottom arm respectively enters the cavity between bottom arm joint and the insert jib section, the circuitous top arms joint inner chamber that enters behind described first guide element of pile warp;
At least one first fixed component is arranged on the described bottom arm joint, is used for fixing the relative position between cable and hydraulic hose and the bottom arm joint; With
At least one second fixed component is arranged on the described top arms joint, is used for fixing the relative position between cable and hydraulic hose and the top arms joint; And
Described first fixed component and second fixed component are split-type structural up and down, comprising:
Base is fixedly installed on the arm joint; With
Pressing plate is connected with base by threaded connector; Described cable and hydraulic hose place between described base and the pressing plate.
2. built-in cable according to claim 1 and hydraulic hose conveying device is characterized in that, described first fixed component is specially one, are arranged on the head of described bottom arm joint; Described second fixed component is specially one, is arranged on the afterbody of described top arms joint.
3. built-in cable according to claim 1 and hydraulic hose conveying device is characterized in that, also comprise:
Second guide element is arranged on the front portion of bottom arm joint, and cable and hydraulic hose pile warp are arranged on the circuitous cavity that enters between bottom arm joint and the insert jib section behind second guide element of described bottom arm section header portion.
4. built-in cable according to claim 3 and hydraulic hose conveying device is characterized in that, described first guide element and second guide element are and can save the upper saw pulley that is rotationally connected with respective arms.
5. built-in cable according to claim 3 and hydraulic hose conveying device is characterized in that, also comprise:
Tension device is arranged on the bottom arm joint outer surface between described second guide element and first fixed component, is used to keep cable and hydraulic hose to be in tensioning state.
6. built-in cable according to claim 5 and hydraulic hose conveying device is characterized in that, described tension device comprises:
Guiding screw pole, fixedly connected with the outer surface of bottom arm joint in its lower end, and its upper end has outside thread;
Compacting part is sleeved on the guiding screw pole, and the lower surface of described compacting part and cable and hydraulic hose offset;
Stage clip is sleeved on the guiding screw pole of described compacting part top, and the lower end surface of described stage clip and described compacting part offset; With
Gland nut, with the upper end screw-thread fit of described guiding screw pole, the lower end surface of described gland nut and the upper-end surface of described stage clip offset; And
Rotate described gland nut and change the decrement of described stage clip, be used for the tension force of corrective action in cable and hydraulic hose.
7. built-in cable according to claim 6 and hydraulic hose conveying device is characterized in that, also comprise the described guiding screw pole screw-thread fit locking nut with the gland nut top.
8. built-in cable according to claim 7 and hydraulic hose conveying device is characterized in that, on the axial cross section of described compacting part, described compacting part middle part is the indent arcuation that offsets with cable and hydraulic hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101711255A CN101725765B (en) | 2008-10-15 | 2008-10-15 | Built-in cable and hydraulic hose conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101711255A CN101725765B (en) | 2008-10-15 | 2008-10-15 | Built-in cable and hydraulic hose conveying device |
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| Publication Number | Publication Date |
|---|---|
| CN101725765A CN101725765A (en) | 2010-06-09 |
| CN101725765B true CN101725765B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101711255A Active CN101725765B (en) | 2008-10-15 | 2008-10-15 | Built-in cable and hydraulic hose conveying device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620061B (en) * | 2012-03-31 | 2014-02-05 | 深圳市华星光电技术有限公司 | Line guiding mechanism |
| CN104791420B (en) * | 2015-02-13 | 2017-10-24 | 北京欣奕华科技有限公司 | A kind of drag chain floating support device |
| CN110630819B (en) * | 2019-10-26 | 2021-05-07 | 中国海洋石油集团有限公司 | Dock oil hose stinger |
| CN111924672B (en) * | 2020-09-08 | 2024-07-02 | 江苏健龙电器有限公司 | Vertical flat cable conveying device |
| CN113797472B (en) * | 2021-06-28 | 2023-05-05 | 福建侨龙应急装备股份有限公司 | Arm support structure of fluid conveying device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593116A (en) * | 1994-10-11 | 1997-01-14 | Universal Valve Co., Inc. | Hose retractor |
| EP1211453B1 (en) * | 2000-12-01 | 2005-11-16 | DeLu Luftkissen Transportgerätetechnik GmbH | Energy supply |
| CN201277381Y (en) * | 2008-10-15 | 2009-07-22 | 徐州重型机械有限公司 | Embedded cable and hydraulic hose conveyer |
-
2008
- 2008-10-15 CN CN2008101711255A patent/CN101725765B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593116A (en) * | 1994-10-11 | 1997-01-14 | Universal Valve Co., Inc. | Hose retractor |
| EP1211453B1 (en) * | 2000-12-01 | 2005-11-16 | DeLu Luftkissen Transportgerätetechnik GmbH | Energy supply |
| CN201277381Y (en) * | 2008-10-15 | 2009-07-22 | 徐州重型机械有限公司 | Embedded cable and hydraulic hose conveyer |
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| CN101725765A (en) | 2010-06-09 |
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Effective date of registration: 20170213 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. |