CN106992080B - A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device - Google Patents
A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device Download PDFInfo
- Publication number
- CN106992080B CN106992080B CN201710300428.1A CN201710300428A CN106992080B CN 106992080 B CN106992080 B CN 106992080B CN 201710300428 A CN201710300428 A CN 201710300428A CN 106992080 B CN106992080 B CN 106992080B
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- China
- Prior art keywords
- frizzen
- mobile bar
- power
- power mobile
- fire
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
Abstract
The invention discloses a kind of fire-fighting star triangle pressure reducing mechanical emergency starting devices, comprising: executive module, executive module includes power mobile bar, power mobile bar side is disposed with the first frizzen, second frizzen and third frizzen, first frizzen is fixed on power mobile bar, third frizzen is movably arranged on power mobile bar, second frizzen is connect with lever one end is lifted up, the lever other end is lifted up to connect with third frizzen, it lifts up part of the lever between both ends and is also connected with power mobile bar axis and set, the movement of power mobile bar drives the first frizzen and the movement of third frizzen to stretch out, lever movement is lifted up to drive the movement of the second frizzen to stretch out and third frizzen is driven to retract.The present invention has rational design, convenient and reliable operation, and synchronism is good, assists without electric power.
Description
Technical field
The present invention relates to fire water-supply fields, and in particular to a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device.
Background technique
In order to rationally design fire water-supply and hydrant system, construction quality is ensured, specification is checked and accepted and maintenance management, reduces
Fire hazard, the protection person and property safety, country have formulated " fire water-supply and hydrant system technical specification " GB50974-
2014。
In above-mentioned specification, the 11.0.12 of page 71 requires every control machine that must install mechanical emergency starting device, small function
The blunt tool emergency set that picks is relatively simple, but high-power pressure reducing mechanical emergency set safety accidents such as electric leakage electric shock in order to prevent
Generation, design complex, and generally be power supply supplementary structure, when electric power is there are when problem, be not also available, at
For ornaments.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, a kind of fire-fighting star triangle pressure reducing mechanical is provided
Emergency starting device, the present invention has rational design, convenient and reliable operation, and synchronism is good, assists without electric power.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device comprising:
First frizzen, the first frizzen movement stretch out and trigger first contactor；
Second frizzen, the second frizzen movement stretch out and trigger second contactor；
Third frizzen, the third frizzen movement stretch out and trigger third contactor；
Executive module, the executive module include power mobile bar, and power mobile bar side is disposed with first
Frizzen, the second frizzen and third frizzen, first frizzen are fixed on power mobile bar, the third touching
Hair bar be movably arranged on power mobile bar, second frizzen is connect with lever one end is lifted up, it is described lift up the lever other end and
The connection of third frizzen, the part for lifting up lever between both ends are also connected with power mobile bar axis and set, and the power moves
Lever, which acts, drives first frizzen and the movement of third frizzen to stretch out, described to lift up lever movement drive second triggering
Bar movement stretches out and the third frizzen is driven to retract.
Further, guidance set is provided on the power mobile bar, the guidance set includes leading for mating connection
To set and guide rod.
Further, elastic return mechanism is set between the third frizzen and power mobile bar, and the elastic force returns
Position mechanism includes storage spring bucket, and the storage spring bucket is fixed on power mobile bar, and third frizzen one end passes through storage spring
Bucket and power mobile bar are simultaneously connect with the first stop nut, are additionally provided on the surface that the third frizzen is located in storage spring bucket
Second stop nut, the third frizzen surface between second stop nut and power mobile bar is arranged with spring, described
Pressure plate is additionally provided on third frizzen between second stop nut and power mobile bar, the pressure plate passes through connection branch
Frame is connect with end part of movable rod is lifted up.
Further, the power mobile bar is connect with the first power part, and the lever of lifting up is connect with the second power part.
Further, first power part and the second power part are plug-type quick folder, second power part
Push-pull rod passes through power mobile bar and lifts up lever axis company.
It further, further include the first spiral bevel gear roller box and the second spiral bevel gear roller box, first spiral bevel gear
The output shaft of case is connect by the first swing arm with the handle of the first power part, and the output shaft of the second spiral bevel gear roller box passes through
Second swing arm is connect with the handle of the second power part.
Further, first power part and the second power part are push rod, and described push rod one end is provided with threaded portion,
It is provided with limit hole on two push rods, is connected between two limit holes by U-shaped bolt.
Further, insulated contact material is provided on first frizzen, the second frizzen and third frizzen.
It further, further include timer, the power switch of the power mobile bar action triggers timer, the timing
Device starts timing.
It further, further include buzzer, the buzzer is connect with timer, is touched after timer reaches setting time
Send out buzzer sounding.
The beneficial effects of the present invention are:
1, executive module can release simultaneously the first frizzen and third frizzen, then by lifting up lever for the second touching
It sends out bar to release, third frizzen can be retracted again while releasing, movement synchronizes, and it is easy to operate, comply fully with national standard mark
Standard, and it is not necessarily to electric energy, there is no that can not drive, effective guarantee uses safe.
2, the movement of entire emergency starting device guiding, good reliability can be reduced by mobile frictional force by guidance set,
It is manually operated smooth.
3, insulating materials is touched with contactor, therefore electric shock and other safety accidents will not occurs contactor electric leakage, is had
Effect protection user's life security.
4, timer is able to record the operating time, convenient for the accuracy of star triangle reduced pressure operation.
5, third frizzen can be retained towards contactor by the setting of spring by elastic force return mechanism, and need to contract
Hui Shiyou has enough yielding spaces, effectively realizes the effect of synchronization action and the using effect of one-shot.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
It in order to more clearly illustrate the technical solutions in the embodiments of the present invention, below will be in embodiment technical description
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is initial united structure schematic diagram of the present invention；
Fig. 2 is present invention trigger architecture schematic diagram for the first time；
Fig. 3 is the secondary trigger architecture schematic diagram of the present invention；
Fig. 4 is elastic force return mechanism structural schematic diagram of the present invention；
Fig. 5 is spiral bevel gear box structure schematic diagram of the present invention；
Fig. 6 is pusher structure schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Referring to figs. 1 to shown in Fig. 3, a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device comprising: the first frizzen
1, the second frizzen 2, third frizzen 3 and executive module 4, the first frizzen 1, the first frizzen movement are stretched out and are triggered
First contactor；Second frizzen 2, the second frizzen movement stretch out and trigger second contactor；Third frizzen 3, institute
The movement of third frizzen is stated to stretch out and trigger third contactor；Executive module include power mobile bar 5, power mobile bar side according to
It is secondary to be provided with the first frizzen, the second frizzen and third frizzen, three contactors are directly toward, the fixation of the first frizzen is set
It sets on power mobile bar, third frizzen is movably arranged on power mobile bar, and the second frizzen connects with 6 one end of lever is lifted up
It connects, lifts up the lever other end and connect with third frizzen, lift up part of the lever between both ends and be also connected with power mobile bar axis
It sets, lifting up lever can lift up along axial connection position to both sides, form the structure of seesaw, therefore when lifting up, and lever two is being lifted up in setting
Second frizzen and third frizzen at end will form the effect alternately stretched out, and realize that contactor alternately triggers, therefore work as power
When mobile bar movement is mobile, it is able to drive the first frizzen and the movement of third frizzen is stretched out, trigger first contactor after stretching
With third contactor, after triggering 10 seconds, lifts up lever movement and stretch out, the movement of the second frizzen is driven to stretch out triggering second contactor simultaneously
It drives third frizzen to retract to discharge third contactor, realizes the antihypertensive effect for using pure mechanic structure.
Guidance set 8 is provided on above-mentioned power mobile bar, guidance set includes the guide sleeve and guide rod being cooperatively connected,
When power mobile bar stretches out, can be good to make somebody a mere figurehead towards specific direction movement, triggering contactor, and guide sleeve dynamic
Power mobile bar, movement is more smooth, and frictional force is small, at low cost.
Referring to shown in Fig. 4, elastic return mechanism 9, elastic force return machine are set between third frizzen and power mobile bar
Structure includes storage spring bucket 10, and storage spring bucket is fixed on power mobile bar, and third frizzen one end passes through storage spring bucket and power moves
Lever is simultaneously connect with the first stop nut 11, is additionally provided with the second stop nut on the surface that third frizzen is located in storage spring bucket
12, the third frizzen surface between the second stop nut and power mobile bar is arranged with spring 13, the second stop nut and dynamic
Pressure plate 14 is additionally provided on third frizzen between power mobile bar, pressure plate is by connecting bracket 15 and lifts up end part of movable rod company
It connecing, spring during installation i.e. need to be to be compressed, so that both ends of the spring is connected to respectively on the second stop nut and power mobile bar,
Therefore third frizzen is pushed to contactor side, wherein the first stop nut plays limit function at this time, it is dynamic lifting up lever
When making, reverse movement of the connecting bracket towards contactor direction will drive, can move together with pressure plate, pressure plate
Movement can push the first stop nut to move together, and after thrust herein is greater than spring pressure, spring continues to compress, third
Frizzen retracts.
Power mobile bar is connect with the first power part 21, is lifted up lever and is connect with the second power part 22, the first power part and
Two power parts are plug-type quick folder, and plug-type quick folder can be by being stretched out by push-pull rod by power after rotating handle
It is transferred to power mobile bar and realizes movement, the push-pull rod of the second power part passes through power mobile bar and lifts up lever axis company, and structure is set
Meter is stablized, and stress is direct.
As shown in figure 5, further including the first spiral bevel gear roller box 16 and the second spiral bevel gear roller box, the first spiral bevel gear roller box
Output shaft connect with the handle of the first power part by the first swing arm 17, the output shaft of the second spiral bevel gear roller box passes through second
Swing arm is connect with the handle of the second power part, in figure by taking a spiral bevel gear roller box as an example, due to the limitation of use environment, is passed through
The swing of swing arm can be realized in rotation to spiral bevel gear roller box, to simulate the effect of artificial Manual push-pull push-pull rod, realizes
It is operated in the case where not unpacking door, securely and reliably.
It is provided with insulated contact material on first frizzen, the second frizzen and third frizzen, even if contactor leaks
Electric shock and other safety accidents, effective protection user's life security will not occur in electricity.
It further include timer, the power switch of power mobile bar action triggers timer, timer starts timing, wherein
The power switch of timer can be arranged to press energization, the structure for the power-off that automatically resets after release, after power mobile bar stretches out
First frizzen and third frizzen trigger corresponding contactor, while touching power switch, timer synchronization timing, this
The power supply of timer can use electronics or battery plate etc., can also continue to operate by way of silent number even if out of power, will not be right
Starting causes to directly affect.
In order to improve the convenience of reduced pressure operation, a buzzer is set, and buzzer is connect with timer, when timer arrives
Buzzer sounding is triggered after up to setting time, and the maloperation under tense situation is avoided with sound prompting operator.
Embodiment two
Difference between embodiment two and embodiment one is, as shown in fig. 6, the first power part and the second power part are
Push rod 18, push rod one end are provided with threaded portion, and limit hole 19 is provided on two push rods, is passed through between two limit holes U-shaped
Bolt 20 connects, and push rod, which can directly revolve, to be located at corresponding power mobile bar and lift up in lever, therefore when chamber door closes, can
First not install push rod, is fixed after being inserted into push rod outside chamber door after shutting, can also first remove lower push-rod before needing to open the door, due to
It only needs to push push rod that will trigger contactor after push rod installation, therefore is fixed on outside chamber door by U-shaped bolt, push rod can not
It is pushed, effective protection avoids maloperation.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device, characterized in that it comprises:
First frizzen, the first frizzen movement stretch out and trigger first contactor；
Second frizzen, the second frizzen movement stretch out and trigger second contactor；
Third frizzen, the third frizzen movement stretch out and trigger third contactor；
Executive module, the executive module include power mobile bar, and power mobile bar side is disposed with the first triggering
Bar, the second frizzen and third frizzen, first frizzen are fixed on power mobile bar, the third frizzen
It is movably arranged on power mobile bar, second frizzen is connect with lever one end is lifted up, described to lift up the lever other end and third
Frizzen connection, the part for lifting up lever between both ends are also connected with power mobile bar axis and set, the power mobile bar
It acts drive first frizzen and the movement of third frizzen is stretched out, lever movement drive second frizzen of lifting up moves
Make to stretch out and the third frizzen is driven to retract；
The power mobile bar is connect with the first power part, and the lever of lifting up is connect with the second power part.
2. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 1, it is characterised in that: described dynamic
Guidance set is provided in power mobile bar, the guidance set includes the guide sleeve and guide rod being cooperatively connected.
3. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 1, it is characterised in that: described
Elastic return mechanism is set between three frizzens and power mobile bar, and the elastic force return mechanism includes storage spring bucket, the storage
Spring bucket is fixed on power mobile bar, and third frizzen one end passes through storage spring bucket and power mobile bar and limits with first
Position nut connection, the third frizzen, which is located on the surface stored up in spring bucket, is additionally provided with the second stop nut, second limit
Third frizzen surface between position nut and power mobile bar is arranged with spring, second stop nut and power mobile bar
Between third frizzen on be additionally provided with pressure plate, the pressure plate is connect by connecting bracket with end part of movable rod is lifted up.
4. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 1, it is characterised in that: described
One power part and the second power part are plug-type quick folder, and the push-pull rod of second power part passes through power mobile bar and lifts up
Lever axis connects.
5. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 4, it is characterised in that: further include
First spiral bevel gear roller box and the second spiral bevel gear roller box, the output shaft of the first spiral bevel gear roller box by the first swing arm with
The handle of first power part connects, and the output shaft of the second spiral bevel gear roller box passes through the handle of the second swing arm and the second power part
Hand connection.
6. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 1, it is characterised in that: described
One power part and the second power part are push rod, and described push rod one end is provided with threaded portion, are provided on two push rods
Limit hole is connected by U-shaped bolt between two limit holes.
7. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 1, it is characterised in that: described
Insulated contact material is provided on one frizzen, the second frizzen and third frizzen.
8. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 1, it is characterised in that: further include
Timer, the power switch of the power mobile bar action triggers timer, the timer start timing.
9. a kind of fire-fighting star triangle pressure reducing mechanical emergency starting device according to claim 8, it is characterised in that: further include
Buzzer, the buzzer are connect with timer, trigger buzzer sounding after timer reaches setting time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300428.1A CN106992080B (en) | 2017-05-02 | 2017-05-02 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300428.1A CN106992080B (en) | 2017-05-02 | 2017-05-02 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106992080A CN106992080A (en) | 2017-07-28 |
| CN106992080B true CN106992080B (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710300428.1A Active CN106992080B (en) | 2017-05-02 | 2017-05-02 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424872A (en) * | 2017-08-04 | 2017-12-01 | 安徽正光电气自动化科技有限公司 | A kind of emergent star triangle start device of armstrong's patent |
| CN108335937B (en) * | 2018-03-26 | 2024-03-29 | 沈阳斯沃电器有限公司 | Mechanical emergency starting device and star three-angle contactor |
| CN109920686B (en) * | 2019-04-16 | 2024-03-29 | 苏州市晔达给水设备有限公司 | Rotary starting device |
| CN111223716B (en) * | 2020-01-10 | 2021-10-22 | 安徽正光电气自动化科技有限公司 | Integrated manual and electric star-delta starting mechanism |
| CN113411011B (en) * | 2021-08-09 | 2023-01-20 | 苏州飞腾电器有限公司 | Quick step-down starting equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409600A (en) * | 2016-12-08 | 2017-02-15 | 郴州市东塘电气设备有限公司 | Mechanical emergency starting apparatus for start-delta voltage-reduction starting |
| CN106499615A (en) * | 2016-12-27 | 2017-03-15 | 北京中科三正电气有限公司 | The switch board of the manually operated mechanical device that there is fire pump star angle to start |
| CN206893464U (en) * | 2017-05-02 | 2018-01-16 | 苏州市晔达给水设备有限公司 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2741881C (en) * | 2010-06-01 | 2014-02-11 | Tornatech Inc. | Mechanical activator for contactor |
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2017
- 2017-05-02 CN CN201710300428.1A patent/CN106992080B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409600A (en) * | 2016-12-08 | 2017-02-15 | 郴州市东塘电气设备有限公司 | Mechanical emergency starting apparatus for start-delta voltage-reduction starting |
| CN106499615A (en) * | 2016-12-27 | 2017-03-15 | 北京中科三正电气有限公司 | The switch board of the manually operated mechanical device that there is fire pump star angle to start |
| CN206893464U (en) * | 2017-05-02 | 2018-01-16 | 苏州市晔达给水设备有限公司 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
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| CN106992080A (en) | 2017-07-28 |
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