CN104986668B - A kind of anti-drop structure of transmission line of electricity crane short alarm device - Google Patents
A kind of anti-drop structure of transmission line of electricity crane short alarm device Download PDFInfo
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- CN104986668B CN104986668B CN201510400924.5A CN201510400924A CN104986668B CN 104986668 B CN104986668 B CN 104986668B CN 201510400924 A CN201510400924 A CN 201510400924A CN 104986668 B CN104986668 B CN 104986668B
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- Prior art keywords
- alarm device
- transmission line
- short
- circuit plate
- warning circuit
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 title claims abstract description 20
- 101150006573 PAN1 gene Proteins 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009429 distress Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Jib Cranes (AREA)
- Electric Cable Installation (AREA)
Abstract
The present invention relates to the anti-drop structure of a kind of transmission line of electricity crane short alarm device, a kind of structure occurring loosening or coming off after preventing crane short alarm device from installing on arm of crane, belong to power supply unit technical field.It includes that drain pan, short warning circuit plate are provided with two touch controlled keys, each touch controlled key and a upper guide post upper end and are pressed into contact with；Drain pan upper end connects case, in short warning circuit plate is coated on by case, and is fixed with case by warning circuit plate by the thrust of spring.Present configuration is simple, compact, reasonable, easy and simple to handle, reliable operation；Can effectively detect whether transmission line of electricity crane short alarm device occurs loosening or coming off, be prevented effectively from the generation of security incident；Cost is relatively low, it is possible to popularization and application on a large scale.
Description
Technical field
The present invention relates to the anti-drop structure of a kind of transmission line of electricity crane short alarm device, a kind of structure occurring loosening or coming off after preventing crane short alarm device from installing on arm of crane, belong to power supply unit technical field.
Background technology
Along with development and the quickening of urbanization process of society, matched power grid construction scale has had the development advanced by leaps and bounds, various types of cranes to serve the biggest effect, particularly truck mounted crane and tower crane in construction.The thing followed is that the accident that crane causes gets more and more.Wherein, crane collision high-pressure transmission line of electricity is the most serious accident, and this accident once occurs, it will cause casualties and great economic loss.
At present, the transmission line of electricity crane short alarm device kind that market uses is little, is substantially on arm of crane installation transmission line of electricity voltage detection unit, is connected by the wired or wireless alarm unit with driver's cabin.Owing to arm of crane is in operation process, shake bigger, also can often touch various object, so transmission line of electricity voltage detection unit is during crane operation, easily occur loosening and obscission, without finding in time, transmission line of electricity crane short alarm device may lose the effect of warning, and the accident of crane collision high-pressure transmission line of electricity is more prone to occur.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, thus the anti-drop structure of a kind of transmission line of electricity crane short alarm device is provided, can effectively detect whether transmission line of electricity crane short alarm device occurs loosening or coming off, be prevented effectively from the generation of security incident.
The technical scheme provided according to the present invention, the anti-drop structure of a kind of transmission line of electricity crane short alarm device includes drain pan, it is characterized in that: on drain pan, fix two guide pin bushings, a lower guide pillar it is provided with in each guide pin bushing, lower guide pillar can slide up and down along guide pin bushing, and drain pan can be stretched out in the bottom of lower guide pillar, lower guide pillar is provided with lower positioning table；Each lower guide pillar upper end is provided with a upper guide post, and upper guide post is provided with positioning table, is provided with spring between upper guide post and lower guide pillar, and spring upper end is pressed into contact with positioning table, and lower end is pressed into contact with lower positioning table；Two upper guide posts are arranged over short warning circuit plate, and short warning circuit plate is provided with two touch controlled keys, each touch controlled key and a upper guide post upper end and is pressed into contact with；Drain pan upper end connects case, in short warning circuit plate is coated on by case, and is fixed with case by warning circuit plate by the thrust of spring.
Further, two guide pin bushings are symmetrical arranged.
Further, each guide pin bushing inside lower end is provided with limiting stand, and limiting stand can stop that lower positioning table is deviate from from guide pin bushing lower end.
Further, case is hemispherical.
Compared with the prior art the present invention has the advantage that
Present configuration is simple, compact, reasonable, easy and simple to handle, reliable operation；Can effectively detect whether transmission line of electricity crane short alarm device occurs loosening or coming off, be prevented effectively from the generation of security incident；Cost is relatively low, it is possible to popularization and application on a large scale.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present invention.
Fig. 2 is front view of the present invention.
Description of reference numerals: positioning table, 6-spring, 7-upper guide post, the upper positioning table of 8-, 9-touch controlled key, 10-short warning circuit plate, 11-limiting stand under guide pillar, 5-under 1-drain pan, 2-case, 3-guide pin bushing, 4-.
Detailed description of the invention
The embodiment combined in accompanying drawing is further described by the present invention below:
As shown in Figure 1 and 2, the invention mainly comprises drain pan 1, drain pan 1 is fixed two guide pin bushings 3, two guide pin bushings 3 are symmetrical arranged.Being provided with a lower guide pillar 4 in each guide pin bushing 3, lower guide pillar 4 can slide up and down along guide pin bushing 3, and drain pan 1 can be stretched out in the bottom of lower guide pillar 4.Described lower guide pillar 4 is provided with lower positioning table 5.
Each guide pin bushing 3 inside lower end is provided with limiting stand 11, and limiting stand 11 can stop that lower positioning table 5 is deviate from from guide pin bushing 3 lower end.
Each lower guide pillar 4 upper end is provided with a upper guide post 7, and upper guide post 7 is provided with positioning table 8.Being provided with spring 6 between upper guide post 7 and lower guide pillar 4, spring 6 upper end is pressed into contact with positioning table 8, and lower end is pressed into contact with lower positioning table 5.
Two upper guide posts 7 are arranged over short warning circuit plate 10, and short warning circuit plate 10 is provided with two touch controlled keys 9, and each touch controlled key 9 is pressed into contact with upper guide post 7 upper end.
Drain pan 1 upper end connects hemispheric case 2, in short warning circuit plate 10 is coated on by case 2, and is fixed with case 2 by warning circuit plate 10 by the thrust of spring 6.
The operation principle of the present invention is: when crane short alarm device is installed on arm of crane, and spring is upwards compressed by lower guide pillar, and the touch controlled key on short warning circuit plate is depressed by upper guide post by spring pressure.Now, short warning circuit plate detects that touch controlled key is depressed, the installation on arm of crane of surface alarm device.When coming off or loosening occur in the short warning circuit plate of crane short alarm device, spring is pressed less than touch controlled key to the distress resolves of touch controlled key, electric circuit inspection, and crane short alarm device passes through alert notice site operation personnel.
Present configuration is simple, compact, reasonable, easy and simple to handle, reliable operation；Can effectively detect whether transmission line of electricity crane short alarm device occurs loosening or coming off, be prevented effectively from the generation of security incident；Cost is relatively low, it is possible to popularization and application on a large scale.
Claims (4)
1. the anti-drop structure of a transmission line of electricity crane short alarm device, including drain pan (1), it is characterized in that: on drain pan (1), fix two guide pin bushings (3), a lower guide pillar (4) it is provided with in each guide pin bushing (3), lower guide pillar (4) can slide up and down along guide pin bushing (3), and drain pan (1) can be stretched out in the bottom of lower guide pillar (4), lower guide pillar (4) is provided with lower positioning table (5)；Each lower guide pillar (4) upper end is provided with a upper guide post (7), upper guide post (7) is provided with positioning table (8), being provided with spring (6) between upper guide post (7) and lower guide pillar (4), spring (6) upper end is pressed into contact with positioning table (8), and lower end is pressed into contact with lower positioning table (5)；Two upper guide posts (7) are arranged over short warning circuit plate (10), and short warning circuit plate (10) is provided with two touch controlled keys (9), and each touch controlled key (9) is pressed into contact with upper guide post (7) upper end；Drain pan (1) upper end connects case (2), in short warning circuit plate (10) is coated on by case (2), and is fixed with case (2) by warning circuit plate (10) by the thrust of spring (6).
The anti-drop structure of a kind of transmission line of electricity crane short alarm device the most as claimed in claim 1, is characterized in that: said two guide pin bushing (3) is symmetrical arranged.
The anti-drop structure of a kind of transmission line of electricity crane short alarm device the most as claimed in claim 1, it is characterized in that: each guide pin bushing (3) inside lower end is provided with limiting stand (11), limiting stand (11) can stop that lower positioning table (5) is deviate from from guide pin bushing (3) lower end.
The anti-drop structure of a kind of transmission line of electricity crane short alarm device the most as claimed in claim 1, is characterized in that: described case (2) is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400924.5A CN104986668B (en) | 2015-07-09 | 2015-07-09 | A kind of anti-drop structure of transmission line of electricity crane short alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400924.5A CN104986668B (en) | 2015-07-09 | 2015-07-09 | A kind of anti-drop structure of transmission line of electricity crane short alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104986668A CN104986668A (en) | 2015-10-21 |
| CN104986668B true CN104986668B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510400924.5A Active CN104986668B (en) | 2015-07-09 | 2015-07-09 | A kind of anti-drop structure of transmission line of electricity crane short alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104986668B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112938768B (en) * | 2021-01-26 | 2024-02-09 | 北京安捷工程咨询有限公司 | Positioning technology-based lifting crane falling early warning and emergency danger avoiding method and system |
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2015
- 2015-07-09 CN CN201510400924.5A patent/CN104986668B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104986668A (en) | 2015-10-21 |
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