CN206302236U - The safety device that a kind of motor countershaft is stretched - Google Patents
The safety device that a kind of motor countershaft is stretched Download PDFInfo
- Publication number
- CN206302236U CN206302236U CN201621384476.0U CN201621384476U CN206302236U CN 206302236 U CN206302236 U CN 206302236U CN 201621384476 U CN201621384476 U CN 201621384476U CN 206302236 U CN206302236 U CN 206302236U
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- CN
- China
- Prior art keywords
- countershaft
- motor
- protective cover
- stretched
- stretches
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses the safety device that a kind of motor countershaft is stretched,Protective cover is stretched including countershaft,Connecting plate and contact limit switch,The countershaft stretches protective cover and is located at the countershaft of motor and stretches,And countershaft is stretched protective cover and is arranged on the outer shroud of motor non-shaft stretching end,The connecting plate is arranged on countershaft and stretches on protective cover,The contact limit switch is arranged on connecting plate,The contact of contact limit switch is in contact with the lateral wall of outer shroud,The electronic switch sections in series of the contact limit switch is in the control loop of motor main power source,The present apparatus stretches protective cover by countershaft can avoid the countershaft that operating personnel touch rotation at a high speed from stretching,And when outer shroud is opened when operating personnel are in motor operation or motor is moved,If the displacement of outer shroud exceedes certain amplitude,Contact limit switch will be triggered,And then close the main power source of whole motor,The security incident that operating personnel's maloperation can be effectively reduced and caused.
Description
Technical field
The utility model is related to technical field of motors, more particularly to the safety device that a kind of motor countershaft is stretched.
Background technology
The non-shaft stretching end of current high-voltage box type motor is typically all stretched with countershaft, it is generally the case that motor non-shaft stretching end is all
External fan is protected by outer shroud, is prevented operating personnel from encountering external fan by mistake and is caused security incident, but in electricity
Machine often have ignored countershaft and stretch caused potential safety hazard when designing, in the case of high speed operation of motor, the countershaft of motor is stretched
Also certain danger can be carried to staff, and due to the improper operation of operating personnel, such as moves electricity in motor rotation
Machine, opening outer shroud etc. are all likely to result in security incident, therefore, capable protection is put in motor countershaft by protection device,
Prevent operating personnel from touching by mistake, and the security incident for reducing operating personnel's misoperation and causing, stretched with countershaft at present
Design of electrical motor needs the technical problem for solving.
Utility model content
The purpose of this utility model is to provide the safety device that a kind of motor countershaft is stretched, and operating personnel can be avoided to touch
Countershaft to high speed rotation is stretched, and the security incident that can be reduced operating personnel's misoperation and cause.
The technical solution adopted in the utility model is：A kind of safety device that motor countershaft is stretched, including countershaft stretches guarantor
Shield, connecting plate and contact limit switch, the countershaft stretch protective cover and are located at the countershaft of motor and stretches, and countershaft stretches protection
On the outer shroud of motor non-shaft stretching end, the connecting plate is arranged on countershaft and stretches on protective cover cover, the contact limit
Bit switch is arranged on connecting plate, and the contact of the contact limit switch is in contact with the lateral wall of outer shroud, described to connect
The electronic switch sections in series of touch limit switch is in the control loop of motor main power source.
Further the countershaft stretches protective cover has the cylinder of opening for one end, and countershaft is stretched and set at the opening of protective cover
Have terminal pad, multiple mounting holes offered in the terminal pad, be provided with the lateral wall of the outer shroud with it is the multiple
Corresponding multiple first screwed holes of mounting hole, the countershaft stretches protective cover by the multiple that matches with multiple first screwed holes
First bolt is arranged on the lateral wall of outer shroud.
Further be provided with multiple second screwed holes on the connecting plate, the contact limit switch by with it is described
Multiple second bolts that multiple second screwed holes match are arranged on connecting plate.
Further the connecting plate is stretched protective cover and is welded with the countershaft.
The utility model stretches protective cover and stretches countershaft and covers on wherein by countershaft, and operating personnel can be avoided to touch at a high speed
The countershaft of rotation is stretched, and connecting plate is set on protective cover by being stretched in countershaft, and contact limit switch, contact are set on connecting plate
The contact of formula limit switch is in contact with the lateral wall of outer shroud, and the electronic switch sections in series of contact limit switch exists
In the control loop of motor main power source, when outer shroud is opened when operating personnel are in motor operation or motor is moved, if
The displacement of outer shroud exceedes certain amplitude, will trigger contact limit switch, and then closes the main power source of whole motor, can
The security incident caused with effectively reducing operating personnel's maloperation, protects the safety of operating personnel.
Further countershaft stretches the openend of protective cover and is provided with terminal pad, and multiple mounting holes, institute are offered in terminal pad
Multiple first screwed holes corresponding with the multiple mounting hole are provided with the lateral wall for stating external fan for electric machine cover, countershaft stretches guarantor
Shield is arranged on the lateral wall of outer shroud by multiple first bolts matched with multiple first screwed holes, when countershaft is stretched
It is very convenient when protective cover is dismounted, and countershaft stretches more stable when protective cover is arranged on the lateral wall of outer shroud.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the front view that countershaft described in the utility model stretches protective cover.
Specific embodiment
As depicted in figs. 1 and 2, the utility model stretches protective cover 5, connecting plate 6 and contact limit switch 8 including countershaft,
Multiple first screwed holes are offered on the lateral wall of the non-shaft stretching end outer shroud 9 of motor, countershaft stretches protective cover 5 for one end has
The cylinder of opening, countershaft is stretched and terminal pad 10 is welded with the opening of protective cover 5, is offered in terminal pad 10 and the multiple first
Screwed hole corresponding multiple mounting holes 11, the countershaft is stretched protective cover 5 and is matched by with the multiple first screwed hole
Multiple first bolts 3 are arranged on the lateral wall of outer shroud 9, and countershaft stretches protective cover 5 and is located at the countershaft of motor and stretches 4
On, the countershaft that can effectively prevent operating personnel from encountering rotation at a high speed by mistake stretches 4 and causes security incident；By terminal pad 10, not only
The dismounting for making countershaft stretch protective cover 5 more facilitates, and countershaft is stretched when protective cover 5 is arranged on the lateral wall of outer shroud 9 more
Stabilization.
The connecting plate 6 is welded on countershaft and stretches on protective cover 5, and multiple second screwed holes 7 are offered on connecting plate 6, described
Contact limit switch 8 is arranged on connecting plate 6 by multiple second bolts being engaged with multiple second screwed holes 7, connection
The weld that plate 6 stretches protective cover 5 with countershaft has arc-shaped slot, connecting plate 6 can be prevented to be welded on countershaft and stretch unstable on protective cover 5
Fixed, the contact of contact limit switch 8 is in contact with the lateral wall of outer shroud 9, the electronic switch portion of contact limit switch 8
Divide and be connected in the control loop of motor main power source, outer shroud 9 is opened when operating personnel are in motor operation or electricity is moved
During machine, if the displacement of outer shroud 9 exceedes certain amplitude, contact limit switch 8 will be triggered, and then close whole motor
Main power source, the security incident that can effectively reduce operating personnel's maloperation and cause, protect operating personnel safety.
The external fan 2 of existing motor is all disposed within non-shaft stretching end mostly, and non-shaft stretching end typically can be all set outside protection
The fan guard 9 of fan 2, when there is motor countershaft to stretch 4, rotor 1 drives countershaft to stretch 4 rotations at a high speed, can give operating personnel
Bring certain potential safety hazard, and when the failure of external fan 2, significantly mobile motor or operating personnel tear outer shroud 9 open by mistake
When, it is likely to that outer shroud 9 can be caused to be subjected to displacement, the present apparatus avoids being touched by operating personnel stretching protective cover 5 by countershaft
While tactile countershaft stretches 4, contact limit switch 8 is reasonably arranged on countershaft and is stretched on protective cover 5 and contact and outer shroud 9
Lateral wall be in contact, be effectively protected the safety of operating personnel, present apparatus design is simple, it is easy to install and versatility compared with
By force.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should manage
Solution：It can still modify to the technical scheme described in previous embodiment, or to which part or whole technologies
Feature carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model reality
Apply the scope of a technical scheme.
Claims (4)
1. the safety device that a kind of motor countershaft is stretched, it is characterised in that stretch protective cover, connecting plate and contact limit including countershaft
Bit switch, the countershaft stretches protective cover and is located at the countershaft of motor and stretches, and countershaft stretches protective cover installed in motor non-shaft stretching end
Outer shroud on, the connecting plate is arranged on countershaft and stretches on protective cover, and the contact limit switch is arranged on connecting plate,
The contact of the contact limit switch is in contact with the lateral wall of outer shroud, the electronic switch of the contact limit switch
Sections in series is in the control loop of motor main power source.
2. the safety device that a kind of motor countershaft as claimed in claim 1 is stretched, it is characterised in that：The countershaft stretches protective cover
There is the cylinder of opening for one end, countershaft is stretched and terminal pad is provided with the opening of protective cover, and multiple is offered in the terminal pad
Mounting hole, is provided with multiple first screwed holes corresponding with the multiple mounting hole, institute on the lateral wall of the outer shroud
State countershaft and stretch the lateral wall that protective cover is arranged on outer shroud by multiple first bolts matched with multiple first screwed holes
On.
3. the safety device that a kind of motor countershaft as claimed in claim 2 is stretched, it is characterised in that：Set on the connecting plate
There are multiple second screwed holes, the contact limit switch is by multiple second spiral shells for matching with the multiple second screwed hole
Bolt is arranged on connecting plate.
4. the safety device that a kind of motor countershaft as described in claim 1-3 is any is stretched, it is characterised in that：The connecting plate
Protective cover is stretched with the countershaft to weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384476.0U CN206302236U (en) | 2016-12-16 | 2016-12-16 | The safety device that a kind of motor countershaft is stretched |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384476.0U CN206302236U (en) | 2016-12-16 | 2016-12-16 | The safety device that a kind of motor countershaft is stretched |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302236U true CN206302236U (en) | 2017-07-04 |
Family
ID=59215072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384476.0U Expired - Fee Related CN206302236U (en) | 2016-12-16 | 2016-12-16 | The safety device that a kind of motor countershaft is stretched |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879235A (en) * | 2017-12-11 | 2018-04-06 | 天津市佳利电梯电机有限公司 | A kind of anti-hypervelocity escalator motor |
-
2016
- 2016-12-16 CN CN201621384476.0U patent/CN206302236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879235A (en) * | 2017-12-11 | 2018-04-06 | 天津市佳利电梯电机有限公司 | A kind of anti-hypervelocity escalator motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20181216 |