CN104029704A - Folding type overhauling test trolley - Google Patents
Folding type overhauling test trolley Download PDFInfo
- Publication number
- CN104029704A CN104029704A CN201410210099.8A CN201410210099A CN104029704A CN 104029704 A CN104029704 A CN 104029704A CN 201410210099 A CN201410210099 A CN 201410210099A CN 104029704 A CN104029704 A CN 104029704A
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- pillar stand
- trolley
- base plate
- dolly
- stand column
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Abstract
A folding type overhauling test trolley mainly comprises a trolley test platform, stand columns, unfolding locking devices, a trolley base plate and trolley pulleys, wherein the four trolley pulleys are fixed on the lower portion of the trolley base plate, and the four stand columns are connected between the trolley base plate and the test platform. Each stand column is formed by an upper stand column body and a lower stand column body, wherein the upper stand column body and the lower stand column body are hinged together through a screw or a hinge pin, an unfolding locking device is arranged at the position where the upper stand column body and the lower stand column body are hinged together, the upper end of the upper stand column body is hinged to the trolley test platform, and the lower end of the lower stand column body is hinged to the trolley base plate and the corresponding trolley pulley. A stand column folding locking device is arranged in the middle of the lateral side of the trolley base plate. The trolley has the advantages of being simple in structure, convenient to use and the like. The trolley can be well applied to a site for overhauling test of electric devices in an electric system, and overhauling test efficiency, safety and reliability of the electric system are improved greatly.
Description
Technical field
The present invention relates to a kind of Foldable overhaul test cart, belong to electrical equipment Work tool field.
Background technology
In electric system, for checking experiments such as the high-potting of relevant electrical equipment, protection verifications, be operated in proportion shared in daily power transformation O&M work larger.And current checking experiment personnel are when carrying out checking experiment work to relevant device, all that test apparatus equipment is placed near on near ground Awaiting Overhaul equipment, checking experiment personnel adopt semi-crouch or the posture of entirely squatting completes the operations such as wiring to instrument and equipment, control, like this instrument and equipment is placed in to ground, experimenter adopts semi-crouch or full checking experiment operating mode of squatting, cause staff's inconvenient operation, personnel's fatiguability, be unfavorable for safety in production.And, in order to shorten power off time, substation often adopts multi-compartment to concentrate maintenance mode at present, the checking experiment work of a plurality of equipment is carried out together, longevity of service, and also the placement location of checking experiment instrument and equipment is along with the conversion of intertrial interval is moved by staff, cause work capacity to strengthen, reduce work efficiency, extended power off time, also easily caused the omission of test Work tool.In addition, the placed angle of some test apparatuses, table meter has strict requirement (such as the error of most test facilitys and level angle can not be over 5 °), some substation testing ground ground unfairness, experimental instrument and equipment is directly positioned over to ground and may causes the placement of instrument and meter undesirable, cause the problems such as experimental result accuracy, reliability reduction.These have become the problem that restriction checking experiment work efficiency and safety, reliability etc. be can not ignore.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned existence, and a kind of Foldable overhaul test cart simple in structure, easy to use is provided.
The present invention is achieved by the following technical solution: described Foldable overhaul test cart, it mainly comprises dolly test platform, column, expansion Locking Device, little car bottom plate and little pulley sheave, described dolly base plate bottom is fixed with four little pulley sheaves, between little car bottom plate and dolly test platform, be connected to four root posts, every root post is hinged by screw rod or bearing pin by upper pillar stand and lower pillar stand, and is provided with expansion Locking Device in the hinged place of upper pillar stand and lower pillar stand.
The upper end of described upper pillar stand is articulated with dolly test platform, and the lower end of lower pillar stand and little car bottom plate and corresponding little pulley sheave are hinged; Described middle part, dolly base plate side is provided with the folding stow lock locking apparatus for column.
The expansion Locking Device that the hinged place of described upper pillar stand and lower pillar stand arranges is that the upper pin in respective pin hole on can being serially connected in hinged place upper pillar stand and lower pillar stand forms; Middle part, described dolly base plate side is provided with the folding stow lock locking apparatus that the lower bearing pin in respective pin hole on can being serially connected in dolly base plate side and column forms.
The features such as the present invention has simple in structure, easy to use; It is applicable to electrical equipment checking experiment work-site in electric system preferably, has greatly improved work efficiency, the safety and reliability of electric system checking experiment.
Accompanying drawing explanation
Fig. 1 is expansion front schematic view of the present invention.
Fig. 2 is expansion side schematic view of the present invention.
Fig. 3 is semi-collapsed condition schematic diagram of the present invention.
Fig. 4 is complete folded state schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1-4, Foldable overhaul test cart of the present invention, it mainly comprises dolly test platform 1, column 2, launches Locking Device 3, dolly base plate 4 and dolly pulley 6, described dolly base plate 4 bottoms are fixed with four dolly pulleys 6, between dolly base plate 4 and dolly test platform 1, be connected to four root posts 2, every root post 2 is hinged by screw rod or bearing pin 23 by upper pillar stand 21 and lower pillar stand 22, and in the hinged place of upper pillar stand 21 and lower pillar stand 22, is provided with expansion Locking Device 3.
The upper end of described upper pillar stand 21 is articulated with dolly test platform 1 bottom, and the lower end of lower pillar stand 22 and dolly base plate 4 and corresponding dolly pulley 6 are hinged; Described dolly base plate 4 middle parts, side are provided with the folding stow lock locking apparatus 5 for column 2.
The expansion Locking Device 3 that the hinged place of described upper pillar stand 21 and lower pillar stand 22 arranges is that the upper pin in respective pin hole 31 on can being serially connected in hinged place upper pillar stand 21 and lower pillar stand 22 forms; Described dolly base plate 4 middle parts, side are provided with the folding stow lock locking apparatus 5 that the lower bearing pin in respective pin hole 51 on can being serially connected in dolly base plate 4 sides and column 2 forms.
Embodiment: referring to Fig. 1, a kind of Foldable overhaul test cart, it is mainly comprised of dolly test platform 1, column 2, expansion Locking Device 3, dolly base plate 4, folding stow lock locking apparatus 5, dolly pulley 6 etc.
At Electrical Equipment for Substation checking experiment, while particularly concentrating maintenance, while using this Foldable overhaul test cart, now the dolly in complete folded state is carried to checking experiment work-site, be placed on suitable work place, open the folding stow lock locking apparatus 5 that is positioned at dolly base plate 4 sides, and launch dolly, make two parts up and down of column 2 in vertical state, and operation launches Locking Device 3, make the upper and lower two parts of column junction keep in the course of the work stationary state, side schematic view when dolly launches as shown in Figure 2.The test apparatus equipment of the current needs of work is placed on dolly test platform 1, and staff connects test wire between tested electrical equipment and test apparatus equipment and just can stand on the front operational test instrument and equipment of dolly and carry out experimental work.When needs shift work place, other subsidiary experiment Work tool can be placed on dolly base plate 4, promote dolly pulley 6 and rotate, with Foldable overhaul test cart, instrument and equipment and subsidiary experiment Work tool are transferred to new test point ground.After experimental work finishes, after article on dolly test platform 1, dolly base plate 4 are cleaned out, remove and launch Locking Device 3, operation column rotates to dolly inner side two parts junction Shang Xia 2, make it folding, the semi-collapsed condition of Foldable overhaul test cart as shown in Figure 3.When dolly is during in complete folded state, as shown in Figure 4, dolly test platform 1 and dolly base plate 4 are substantially in being close to state, and operation is positioned at the folding stow lock locking apparatus 5 at dolly base plate 4 middle parts, and dolly test platform 1 is locked on dolly base plate 4.Can facilitate the carrying of dolly like this, and reduce Foldable overhaul dolly and take up space in handling process.
Claims (3)
1. a Foldable overhaul test cart, it mainly comprises dolly test platform, column, expansion Locking Device, little car bottom plate and little pulley sheave, it is characterized in that described dolly base plate bottom is fixed with four little pulley sheaves, between little car bottom plate and dolly test platform, be connected to four root posts, every root post is hinged by screw rod or bearing pin by upper pillar stand and lower pillar stand, and is provided with expansion Locking Device in the hinged place of upper pillar stand and lower pillar stand.
2. Foldable overhaul test cart according to claim 1, is characterized in that the upper end of described upper pillar stand is articulated with dolly test platform, and the lower end of lower pillar stand and little car bottom plate and corresponding little pulley sheave are hinged; Described middle part, dolly base plate side is provided with the folding stow lock locking apparatus for column.
3. Foldable overhaul test cart according to claim 1, is characterized in that the expansion Locking Device that the hinged place of described upper pillar stand and lower pillar stand arranges, and is that the upper pin in respective pin hole on can being serially connected in hinged place upper pillar stand and lower pillar stand forms; Middle part, described dolly base plate side is provided with the folding stow lock locking apparatus that the lower bearing pin in respective pin hole on can being serially connected in dolly base plate side and column forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210099.8A CN104029704A (en) | 2014-05-19 | 2014-05-19 | Folding type overhauling test trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210099.8A CN104029704A (en) | 2014-05-19 | 2014-05-19 | Folding type overhauling test trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104029704A true CN104029704A (en) | 2014-09-10 |
Family
ID=51460771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410210099.8A Pending CN104029704A (en) | 2014-05-19 | 2014-05-19 | Folding type overhauling test trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104029704A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957051A (en) * | 2018-10-11 | 2018-12-07 | 国家电网有限公司 | Portable field change of current valve tester |
| CN109030883A (en) * | 2018-10-11 | 2018-12-18 | 国家电网有限公司 | Portable field converter valve triggering test device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032688A (en) * | 1987-10-20 | 1989-05-03 | 科技提高有限公司 | Foldable structure |
| CN2138070Y (en) * | 1992-05-14 | 1993-07-14 | 深圳安科高技术有限公司 | Folding trolley |
| CN2148003Y (en) * | 1993-02-19 | 1993-12-01 | 左明顺 | Automatic lift-and-fall transport cart |
| GB2299793A (en) * | 1995-04-11 | 1996-10-16 | Remin Lab | Attachment to turn a sack truck into a table. |
| US20040200667A1 (en) * | 2003-04-11 | 2004-10-14 | Babkes Mitchell H. | Hinge system for combination hand truck, step ladder and dolly device |
| US20080054149A1 (en) * | 2006-08-30 | 2008-03-06 | Paul Sean Freebairn | Collapsible computer platform |
| CN201553172U (en) * | 2009-11-06 | 2010-08-18 | 童博 | Trolley convenient to disassemble and assemble |
| CN201617376U (en) * | 2009-10-21 | 2010-11-03 | 余德清 | Leg-supporting structure for folding tables |
| CN103670260A (en) * | 2013-11-01 | 2014-03-26 | 苏州富士德物流设备有限公司 | Multifunctional ladder truck |
| CN204095848U (en) * | 2014-05-19 | 2015-01-14 | 国家电网公司 | Foldable overhaul test cart |
-
2014
- 2014-05-19 CN CN201410210099.8A patent/CN104029704A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032688A (en) * | 1987-10-20 | 1989-05-03 | 科技提高有限公司 | Foldable structure |
| CN2138070Y (en) * | 1992-05-14 | 1993-07-14 | 深圳安科高技术有限公司 | Folding trolley |
| CN2148003Y (en) * | 1993-02-19 | 1993-12-01 | 左明顺 | Automatic lift-and-fall transport cart |
| GB2299793A (en) * | 1995-04-11 | 1996-10-16 | Remin Lab | Attachment to turn a sack truck into a table. |
| US20040200667A1 (en) * | 2003-04-11 | 2004-10-14 | Babkes Mitchell H. | Hinge system for combination hand truck, step ladder and dolly device |
| US20080054149A1 (en) * | 2006-08-30 | 2008-03-06 | Paul Sean Freebairn | Collapsible computer platform |
| CN201617376U (en) * | 2009-10-21 | 2010-11-03 | 余德清 | Leg-supporting structure for folding tables |
| CN201553172U (en) * | 2009-11-06 | 2010-08-18 | 童博 | Trolley convenient to disassemble and assemble |
| CN103670260A (en) * | 2013-11-01 | 2014-03-26 | 苏州富士德物流设备有限公司 | Multifunctional ladder truck |
| CN204095848U (en) * | 2014-05-19 | 2015-01-14 | 国家电网公司 | Foldable overhaul test cart |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957051A (en) * | 2018-10-11 | 2018-12-07 | 国家电网有限公司 | Portable field change of current valve tester |
| CN109030883A (en) * | 2018-10-11 | 2018-12-18 | 国家电网有限公司 | Portable field converter valve triggering test device |
| CN109030883B (en) * | 2018-10-11 | 2023-10-20 | 国家电网有限公司 | Portable field converter valve trigger test device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140910 |