CN103963691A - Folding and unfolding movable device for shop truck - Google Patents
Folding and unfolding movable device for shop truck Download PDFInfo
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- CN103963691A CN103963691A CN201410215684.7A CN201410215684A CN103963691A CN 103963691 A CN103963691 A CN 103963691A CN 201410215684 A CN201410215684 A CN 201410215684A CN 103963691 A CN103963691 A CN 103963691A
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Abstract
The invention discloses a folding and unfolding movable device for a shop truck. The device comprises a folding and unfolding oil cylinder and a four-connecting-rod mechanism, wherein a tail supporting door of the shop truck is used as a rear sealing door of a truck compartment to be hinged to the tail of a truck chassis, a first connecting rod is hinged to the truck chassis, and is hinged to a second connecting rod, the second connecting rod is hinged to the tail supporting door, and the truck chassis, the first connecting rod, the second connecting rod and the tail supporting door form the four-connecting-rod mechanism. One end of the folding and unfolding oil cylinder is hinged to the truck chassis, the other end of the folding and unfolding oil cylinder is hinged to the middle of the first connecting rod, parallel truck chassis guide rails are arranged on the truck chassis, a moving device on the shop truck can be arranged on the truck chassis guide rails through a mounting frame, and an extending guide rail which is connected with the truck chassis guide rails in an abutting mode is arranged on the tail supporting door. The tail supporting door of the truck tail portion can be unfolded and folded by combining connecting rod machine drive and locking with the hydraulic oil cylinder, the moving device in the truck can be easily moved to the unfolded tail supporting door through the abutting-connected guide rails at the two ends for operation construction, no additional auxiliary means is needed, and operation is convenient.
Description
Technical field
The invention belongs to engineering truck auxiliary device, be specifically related to a kind of engineering truck head of taking down the exhibits.
Background technology
Along with social development, electric system is more and more flourishing, comprises that the engineering truck of electric power first-aid, power test vehicle arises at the historic moment.Because current electric engineering car is when carrying out electric power first-aid, test, do not have special-purpose engineering truck, all that the common box-body truck adopting carries electrical device, electrical device on it needs manpower to realize from shifting out and take in car, if the large device of weight even also needs extra hanging device to assist, manual procedures is more, operates more loaded down with trivial details, and personnel are also existed to potential safety hazard.
Summary of the invention
The technical matters that the present invention solves is: for the electrical device on existing electric engineering car, move and the car load unhandy defect of taking down the exhibits, a kind of engineering truck head of taking down the exhibits is provided, adopt hydraulic-driven, utilize machine automatization location simultaneously, make the device on Trolley more convenient, reliability is higher simultaneously.
The present invention adopts following technical scheme to realize: the engineering truck head of taking down the exhibits, comprise take down the exhibits oil cylinder 6 and four-bar linkage, the tail holder door 1 of wherein said engineering truck is hinged as the rear hermatic door of vehicle compartment and the afterbody of under-carriage 4, on described under-carriage 4, be hinged with first connecting rod 7, the hinged second connecting rod 8 of described first connecting rod 7, described second connecting rod 8 is hinged by bearing 9 with tail holder door 1, described under-carriage 4, first connecting rod 7, second connecting rod 8 and tail holder door 1 have formed described four-bar linkage, hinged being arranged on under-carriage 4 in described oil cylinder 6 one end of taking down the exhibits, the other end and first connecting rod 7 middle parts thirdly hinged.
Further, the bearing 9 being fixedly installed on tail holder door 1 is triangle bearing.
Further, when described tail holder door 1 is expanded to under-carriage 4 same plane by the hydraulic oil cylinder driving of taking down the exhibits, described first connecting rod 7 forms straight line with second connecting rod 8, the oil cylinder locking of taking down the exhibits, and four-bar linkage is positioned at dead center position simultaneously, now can be by hydraulic ram and connecting rod mechanism double locking tail holder door, the benefit of bringing is that described tail Tuo Men bottom does not need to arrange support, simultaneously when hydraulic actuating cylinder lost efficacy, tail holder door still can be held, and forms job platform plane.
In the present invention, described under-carriage 4 is provided with parallel under-carriage guide rail 5, moving device on engineering truck is arranged on described under-carriage guide rail 5 by erecting frame 2, described tail holder door is provided with the extensible track 10 docking with described under-carriage guide rail 5, after tail holder door launches, article two, guide rail, to being connected into a complete guide rail, can being moved to the moving device in compartment on tail holder door and be avoided forming cantilever situation by guide rail.
Further, described under-carriage guide rail 5 and extensible track 10 adopt slide rail or non-friction guide.
Further, described erecting frame 2 connection roller screws or push cylinder realize and moving along guide rail.
In the present invention, described four-bar linkage and the oil cylinder of taking down the exhibits are two covers, are separately positioned on the both sides of under-carriage guide rail 5 and extensible track 10, can interference effect to the movement of moving device.
Further, the afterbody bottom of described under-carriage 4 is provided with support cylinder 12, can increase the stability of under-carriage and tail holder door.
The engineering truck relating in the present invention head of taking down the exhibits launches by hydraulic-driven and regains, while organizing work, by the mechanical caging of hydraulic ram linking rod location, reliability is high, the guide rail that moving device is docked by two ends can move to the enterprising line operate of tail holder door of expansion smoothly, without other supplementary means, easy to operate.
From the above mentioned, the present invention can improve on common truck vehicle, also can development and Application on the special engineered vehicle of special use, can be widely used in electric power and other industry constructions.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the take down the exhibits structural representation of head of the engineering truck in the present invention.
Fig. 2 is the take down the exhibits schematic diagram of mechanism of head of the engineering truck in the present invention.
Fig. 3 is the head tail holder door collapsed state schematic diagram of taking down the exhibits of the engineering truck in the present invention.
Fig. 4 is the head tail holder door deployed condition schematic diagram of taking down the exhibits of the engineering truck in the present invention.
Number in the figure: 1-tail holder door, 2-erecting frame, 3-hinge, 4-under-carriage, 5-under-carriage guide rail, the 6-oil cylinder of taking down the exhibits, 7-first connecting rod, 8-second connecting rod, 9-bearing, 10-extensible track, 11-push cylinder, 12-support cylinder, 13-moving device.
The specific embodiment
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of engineering tailstock holder door head of taking down the exhibits, comprise take down the exhibits oil cylinder 6 and four-bar linkage, the tail holder door 1 of wherein said engineering truck is hinged as the rear hermatic door of vehicle compartment and the afterbody of under-carriage 4, on described under-carriage 4, be hinged with first connecting rod 7, the hinged second connecting rod 8 of described first connecting rod 7, described second connecting rod 8 is hinged by the bearing 9 being installed on tail holder door with tail holder door 1, described under-carriage 4, first connecting rod 7, second connecting rod 8 and tail holder door 1 have formed described four-bar linkage, hinged being arranged on under-carriage 4 in described oil cylinder 6 one end of taking down the exhibits, the other end and first connecting rod 7 middle parts are hinged for driving described four-bar linkage.Described under-carriage 4 is provided with parallel under-carriage guide rail 5, described guide rail 5 is provided with chute, erecting frame 2 both sides embed wherein realizes slippage, moving device on engineering truck is arranged on erecting frame 2, described tail holder door is provided with the extensible track 10 docking with described under-carriage guide rail 5, after tail holder door launches, article two, guide rail is to being connected into a complete guide rail, described under-carriage guide rail 5 and extensible track 10 adopt slip form or increase roller and form rolling form, described erecting frame 2 is connected realization and moves along guide rail with the push cylinder 11 that is parallel to under-carriage guide rail, moving device in compartment can be moved on tail holder door by two guide rails.The afterbody bottom of described under-carriage 4 is provided with support cylinder 12, can increase the stability of under-carriage and tail holder door.
In conjunction with referring to Fig. 2, wherein under-carriage 4 is fixing frame, first connecting rod 7 and the side link of tail holder door 1 for swinging, second connecting rod 8 is connecting rod, it is concrete that on described tail holder door 1, to be installed with leg-of-mutton bearing 9 hinged with second connecting rod 7, form a special-shaped side link, in order to realize described tail holder door 1, be rocked to under-carriage 4 when the same plane, described second connecting rod 8 is positioned on the extended line of first connecting rod 7, it is the dead center position of four-bar linkage, now first connecting rod 7, second connecting rod 8 and the under-carriage in same plane 4 and tail holder door 1 and bearing 9 form a triangle, now can realize hydraulic pressure and mechanical double locking tail holder door by take down the exhibits oil cylinder and connecting rod mechanism of locking, on tail holder door, can bear larger gravity, thereby the precision of having avoided simple employing oil cylinder location to produce is not high and the drawback of weight distortion.
Hinge form between tail holder door 1 and under-carriage 4 can adopt multiple conventionally form, at this, do not repeat, in concrete application, described four-bar linkage and the oil cylinder of taking down the exhibits are two covers, be separately positioned on the both sides of under-carriage guide rail 5 and extensible track 10, can interference effect to the movement of moving device.
Before operation, tail holder door as shown in Figure 3, perpendicular to under-carriage, support cylinder 12 is stretched out under-carriage is supported, then by the oil cylinder 6 of taking down the exhibits, drive four-bar linkage that tail holder door 1 is swung to exhibition backward, to tail holder door 1 and under-carriage 4 at the same plane oil cylinder of can locking taking down the exhibits, by tail holder door locked, as shown in Figure 4, now can the moving device 13 being arranged on mount pad 2 be moved on tail holder door along under-carriage guide rail and extensible track by push cylinder 11, the movement of moving device 13 and erecting frame also can drive screw mandrel to realize straight-line motion by motor or HM Hydraulic Motor and drive.After construction completes, by push cylinder 11, moving device 13 is returned on the under-carriage in compartment along guide rail equally, then by the oil cylinder 6 of taking down the exhibits, drive four-bar linkage drawback movements, tail holder door 1 is retracted to shown in Fig. 3 vertical with under-carriage, regain support cylinder.
These are only the concrete case study on implementation explanation of the present invention, can not limit the scope of the present invention with this.All equivalences of doing according to the present patent application claims and description change and revise, all in the scope of protection of the invention.
Claims (9)
1. the engineering truck head of taking down the exhibits, it is characterized in that: comprise the oil cylinder of taking down the exhibits (6) and four-bar linkage, the tail holder door (1) of engineering truck is hinged as the rear hermatic door of vehicle compartment and the afterbody of under-carriage (4), on described under-carriage (4), be hinged with first connecting rod (7), the hinged second connecting rod of described first connecting rod (7) (8), described second connecting rod (8) is hinged with tail holder door (1), described under-carriage (4), first connecting rod (7), second connecting rod (8) and tail holder door (1) have formed described four-bar linkage, the described oil cylinder of taking down the exhibits (6) one end is hinged to be arranged on under-carriage (4), the other end and first connecting rod (7) middle part thirdly hinged.
2. the engineering truck according to claim 1 head of taking down the exhibits, is characterized in that: on described tail holder door (1), be installed with bearing (9) hinged with second connecting rod (7).
3. the engineering truck according to claim 2 head of taking down the exhibits, is characterized in that: described bearing (9) is triangle bearing.
4. the engineering truck according to claim 3 head of taking down the exhibits, is characterized in that: when described tail holder door (1) is expanded to under-carriage (4) same plane, described first connecting rod (7) forms straight line with second connecting rod (8).
5. according to the head of taking down the exhibits of the engineering truck described in any one in claim 1-4, it is characterized in that: described under-carriage (4) is provided with parallel under-carriage guide rail (5), it is upper that moving device on engineering truck is arranged on described under-carriage guide rail (5) by erecting frame (2), and described tail holder door is provided with the extensible track (10) docking with described under-carriage guide rail (5).
6. the engineering truck according to claim 5 head of taking down the exhibits, is characterized in that: described under-carriage guide rail (5) and extensible track (10) adopt slide rail or non-friction guide.
7. the engineering truck according to claim 6 head of taking down the exhibits, is characterized in that: described erecting frame (2) connects roller screw or push cylinder to be realized and moving along guide rail.
8. according to the head of taking down the exhibits of the engineering truck described in claim 6 or 7, it is characterized in that: described four-bar linkage and the oil cylinder of taking down the exhibits are two covers, are separately positioned on the both sides of under-carriage guide rail (5) and extensible track (10).
9. the engineering truck according to claim 8 head of taking down the exhibits, is characterized in that: the afterbody bottom of described under-carriage (4) is provided with support cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215684.7A CN103963691B (en) | 2014-05-21 | 2014-05-21 | Engineering truck is taken down the exhibits head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215684.7A CN103963691B (en) | 2014-05-21 | 2014-05-21 | Engineering truck is taken down the exhibits head |
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| Publication Number | Publication Date |
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| CN103963691A true CN103963691A (en) | 2014-08-06 |
| CN103963691B CN103963691B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410215684.7A Active CN103963691B (en) | 2014-05-21 | 2014-05-21 | Engineering truck is taken down the exhibits head |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483609A (en) * | 2014-12-24 | 2015-04-01 | 广州供电局有限公司 | GIS field impulse voltage withstand test device |
| CN105730310A (en) * | 2014-12-08 | 2016-07-06 | 苏州江南航天机电工业有限公司 | Special vehicle backboard overturn mechanism |
| CN107512545A (en) * | 2017-09-15 | 2017-12-26 | 东风设计研究院有限公司 | Automatic compensation rise and fall roller switching machine |
| CN107829634A (en) * | 2017-10-19 | 2018-03-23 | 龙岩市海德馨汽车有限公司 | One kind support turnover door automatic control system and control method |
| CN109290080A (en) * | 2018-12-04 | 2019-02-01 | 岑夏凤 | A kind of multi-functional air-assisted type spraying machine |
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| US5895197A (en) * | 1997-05-30 | 1999-04-20 | Ok Champion Corporation | Cable reel handler |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730310A (en) * | 2014-12-08 | 2016-07-06 | 苏州江南航天机电工业有限公司 | Special vehicle backboard overturn mechanism |
| CN105730310B (en) * | 2014-12-08 | 2018-02-16 | 苏州江南航天机电工业有限公司 | A kind of special vehicle back plate switching mechanism |
| CN104483609A (en) * | 2014-12-24 | 2015-04-01 | 广州供电局有限公司 | GIS field impulse voltage withstand test device |
| CN104483609B (en) * | 2014-12-24 | 2016-10-12 | 广州供电局有限公司 | GIS scene impulse withstand voltage assay device |
| CN107512545A (en) * | 2017-09-15 | 2017-12-26 | 东风设计研究院有限公司 | Automatic compensation rise and fall roller switching machine |
| CN107829634A (en) * | 2017-10-19 | 2018-03-23 | 龙岩市海德馨汽车有限公司 | One kind support turnover door automatic control system and control method |
| CN107829634B (en) * | 2017-10-19 | 2023-07-21 | 龙岩市海德馨汽车有限公司 | Automatic control system and control method for support roll-over door |
| CN109290080A (en) * | 2018-12-04 | 2019-02-01 | 岑夏凤 | A kind of multi-functional air-assisted type spraying machine |
| CN109290080B (en) * | 2018-12-04 | 2020-10-27 | 诸暨市凯贝乐科技有限公司 | Multifunctional air-assisted sprayer |
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| CN103963691B (en) | 2016-10-05 |
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