CN207010445U - Lead screw motor with pressure detecting and the device for automatically controlling braking - Google Patents
Lead screw motor with pressure detecting and the device for automatically controlling braking Download PDFInfo
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- CN207010445U CN207010445U CN201720696213.1U CN201720696213U CN207010445U CN 207010445 U CN207010445 U CN 207010445U CN 201720696213 U CN201720696213 U CN 201720696213U CN 207010445 U CN207010445 U CN 207010445U
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- pressure sensor
- lead screw
- end cap
- bearing
- screw motor
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Abstract
The utility model discloses a kind of lead screw motor with pressure detecting,Drive end bearing bracket one end is fixedly connected with one end of stator,Rear end cap is fixed on the other end of stator,Clutch shaft bearing is fixed in drive end bearing bracket,Second bearing is fixed in rear end cap,After armature spindle passes through rotor,The both ends of the armature spindle coordinate with clutch shaft bearing and second bearing respectively,One end of screw mandrel and rotor axis connection,The other end of screw mandrel exposes in atmosphere and coordinated with nut thread,Also include pressure sensor,End cap,Spacer and pretension part,One end of end cap is fixedly connected with the other end of drive end bearing bracket,End cap is provided with through hole,The pressure sensor is located in the through hole on end cap,One end of the spacer and one end of pressure sensor are supported,The other end of spacer is supported with clutch shaft bearing,The pretension part is arranged in the through hole of end cap and pretension active force is imposed to pressure sensor.Lead screw motor of the present utility model can be in the course of work according to driving load detecting pressure.
Description
Technical field
It the utility model is related to drive technology field, and in particular to a kind of lead screw motor with pressure detecting and automatic
Control the device of braking.
Background technology
Lead screw motor is by stator, rotor, armature spindle, clutch shaft bearing, second bearing, drive end bearing bracket, rear end cap, screw mandrel, nut
Composition, rotor are located at stator interior, and drive end bearing bracket is fixed on one end of stator, and rear end cap is fixed on the other end of stator, first axle
Hold and be fixed in drive end bearing bracket, second bearing is fixed in rear end cap, after armature spindle passes through rotor, the both ends of the armature spindle respectively with
Clutch shaft bearing and second bearing coordinate, one end and the rotor axis connection of screw mandrel, and the other end exposure of screw mandrel is in atmosphere and and spiral shell
Box thread coordinates.In use, nut connects with load, and when lead screw motor works, armature spindle drives screw mandrel to rotate, silk
Bar drive nut moves along a straight line, so as to which nut drives high voltage breaker.For load, weight varies, for small
The lead screw motor of type, the small high voltage breaker of weight can be driven, for medium-and-large-sized lead screw motor, weight can be driven big
High voltage breaker, therefore, the load that lead screw motor is driven are relevant with weight size, it is thus evident that small-sized lead screw motor without
Method drives the big load movement of weight, for the lead screw motor of said structure, if using small-sized lead screw motor by force
The load movement that weight is big is driven, in the case where lead screw motor can not obtain braking, can trigger and burn the bad of lead screw motor
Consequence.
The content of the invention
The purpose of this utility model is to provide a kind of lead screw motor with pressure detecting and automatically controls braking
Device, the load detecting pressure that lead screw motor of the present utility model can be in the course of work according to driving.
The technical scheme for solving above-mentioned technical problem is as follows：
Lead screw motor with pressure detecting, including stator, rotor, drive end bearing bracket, rear end cap, clutch shaft bearing, second bearing,
Armature spindle, screw mandrel, nut, rotor are located at stator interior, and drive end bearing bracket one end is fixedly connected with one end of stator, and rear end cap is fixed on
The other end of stator, clutch shaft bearing are fixed in drive end bearing bracket, and second bearing is fixed in rear end cap, after armature spindle passes through rotor,
The both ends of the armature spindle coordinate with clutch shaft bearing and second bearing respectively, one end and the rotor axis connection of screw mandrel, screw mandrel it is another
End exposes in atmosphere and coordinated with nut thread, in addition to pressure sensor, end cap, spacer and pretension part, end cap
One end is fixedly connected with the other end of drive end bearing bracket, and end cap is provided with through hole, and the pressure sensor is located in the through hole on end cap,
One end of the spacer and one end of pressure sensor are supported, and the other end and the clutch shaft bearing of spacer are supported, the pretension part
Pretension active force is imposed in the through hole of end cap and to pressure sensor.
Further, the pretension part is provided with through hole, and external screw thread is additionally provided with pretension part, and pretension part passes through spiral shell
Line coordinates in the through hole of end cap and pretension active force is imposed to pressure sensor.
Further, one end of the pressure sensor be provided with supported with spacer it is first raised, pressure sensor it is another
One end is provided with the second projection supported with pretension part.
Further, the other end of the spacer be provided with axial direction projection, axial projection be inserted into drive end bearing bracket after with
Clutch shaft bearing is supported.
A kind of device for automatically controlling braking, including controller, in addition to lead screw motor, the pressure in the lead screw motor pass
Sensor is electrically connected with the controller by wire, and the pressure value of detection is passed into controller.
Further, the controller includes A/D converter, PLC, relay, the output end of A/D converter and PLC's
Input electrically connects, and PLC output end electrically connects with the coil of relay.
After lead screw motor is run, pressure sensor is arranged on the inside of lead screw motor by the utility model, passes through work
When drive reaction force acts caused by load movement on armature spindle, armature spindle oppressed successively by clutch shaft bearing spacer,
Pressure sensor, so as to which pressure sensor will send electric signal to controller, controller, which is read, to be somebody's turn to do to after pressure signal, to screw mandrel
The mass motion of motor carries out control for brake.Pressure sensor is arranged on the inside of lead screw motor, Ke Yizhi by the utility model
Connect according to the load driven when running to detect whether the lead screw motor can drive the load, or running into other resistances
In the case of can shut down in time, in order to avoid load can not dragged or motor is worked in the case of meeting other resistances, so
The service life of motor can be ensured.And this structure of the present utility model, motor is made while pressure detecting is obtained
Compact-sizedization of motor.
Brief description of the drawings
Fig. 1 is the schematic diagram of the lead screw motor of the present utility model with pressure detecting；
Fig. 2 is Fig. 1 cross-sectional view；
Fig. 3 structure charts for the cuing open for pressure sensor in the utility model；
Fig. 4 is the schematic diagram of the spacer in the utility model；
Fig. 5 is the schematic diagram of the controller in the utility model.
Embodiment
As shown in Figures 1 to 4, the lead screw motor of the present utility model with pressure detecting, including it is stator 1, rotor 2, preceding
End cap 3, rear end cap 4, clutch shaft bearing 5, second bearing 6, armature spindle 7, screw mandrel 8, nut 9, rotor 2 are located inside stator 1, front end
The one end of lid 3 is fixedly connected with one end of stator 1, and rear end cap 4 is fixed on the other end of stator 1, and clutch shaft bearing 5 is fixed on drive end bearing bracket
In 3, second bearing 6 is fixed in rear end cap 4, after armature spindle 7 passes through rotor 5, the both ends of the armature spindle 7 respectively with clutch shaft bearing
6 and second bearing 7 coordinate, the both ends of armature spindle 7 are interference fitted with clutch shaft bearing 6 and second bearing 7 respectively.One end of screw mandrel 8
It is connected with armature spindle 7, the other end of screw mandrel 8 exposes in atmosphere and coordinated with the screw thread of nut 9.
Also include pressure sensor 10, end cap 11, spacer 12 and pretension part 13, one end and the drive end bearing bracket 3 of end cap 11
The other end be fixedly connected, end cap 11 is provided with through hole, and the pressure sensor 10 is located in the through hole on end cap 11, it is described every
One end and one end of pressure sensor 10 of set 12 are supported, and the other end and the clutch shaft bearing 5 of spacer 12 are supported, the spacer 12
The other end is provided with the raised 12a of axial direction, and axial raised 12a is supported after being inserted into drive end bearing bracket 3 with clutch shaft bearing 5.It is described pre-
Tight part 13 is arranged in the through hole of end cap 11 and imposes pretension active force to pressure sensor 10.Set on the pretension part 13
There is through hole to be passed through with screw mandrel 8, external screw thread is additionally provided with pretension part 13, pretension part 13 is coordinated in end cap 11 by screw thread
Pretension active force is imposed in through hole and to pressure sensor, pretension part 13 is connected through a screw thread with end cap 11, can play tune
Save and keep the effect of pretightning force.One end of the pressure sensor 10 is provided with the first raised 10a supported with spacer 12, pressure
The other end of sensor 10 is provided with the second raised 10b supported with pretension part 13.
The course of work of present embodiment is：After lead screw motor is run, the transmission nut 9 of screw mandrel 8 is moved along a straight line, spiral shell
Mother 9 drives load movement and stress, and for the power acting in opposition in pulling armature spindle 7 on screw mandrel 8, armature spindle 7 passes through clutch shaft bearing 5
Spacer 12, pressure sensor 10 are oppressed successively, and so as to which pressure sensor 10 will send electric signal to controller, controller is read should
To after pressure signal, the mass motion to lead screw motor carries out control for brake.
As shown in Fig. 1 to 5, the device of the present utility model for automatically controlling braking, including controller, in addition to above-mentioned implementation
Lead screw motor in mode, the pressure sensor 10 in the lead screw motor is electrically connected with the controller by wire, by detection
Pressure value passes to controller.The controller includes A/D converter 14, PLC15, relay 16, the output of A/D converter 14
End electrically connects with PLC15 input, and PLC15 output end electrically connects with the coil of relay 16.The contact of relay 16 connects
It is connected in the current supply circuit where lead screw motor.The pressure value of detection is passed to A/ by pressure sensor 10 as electronic signals
D converters 14, A/D converter 14 will pass to PLC15 after the signal conversion of detection, and PLC15 is by the pressure value of detection and setting
Threshold value be compared, the control signal of lead screw motor power supply whether is cut off according to comparative structure output, for example, in PLC15,
The pressure threshold of setting is 1000N, and when the pressure that pressure sensor 10 detects is more than 1000N, PLC15 will outputting cutting fracture of wire
The control signal of bar motor power supply, the control signal power off relay 16, the confession being connected to where lead screw motor of relay
Contact in electrical circuit disconnects, and is braked so as to lead screw motor dead electricity.
Claims (6)
1. with pressure detecting lead screw motor, including stator, rotor, drive end bearing bracket, rear end cap, clutch shaft bearing, second bearing, turn
Sub- axle, screw mandrel, nut, rotor are located at stator interior, and drive end bearing bracket one end is fixedly connected with one end of stator, and rear end cap is fixed on fixed
The other end of son, clutch shaft bearing are fixed in drive end bearing bracket, and second bearing is fixed in rear end cap, should after armature spindle passes through rotor
The both ends of armature spindle coordinate with clutch shaft bearing and second bearing respectively, one end and the rotor axis connection of screw mandrel, the other end of screw mandrel
Expose in atmosphere and coordinate with nut thread, it is characterised in that：Also include pressure sensor, end cap, spacer and pretension portion
Part, one end of end cap are fixedly connected with the other end of drive end bearing bracket, and end cap is provided with through hole, and the pressure sensor is located on end cap
Through hole in, one end of the spacer and one end of pressure sensor are supported, and the other end and the clutch shaft bearing of spacer are supported, described
Pretension part is arranged in the through hole of end cap and pretension active force is imposed to pressure sensor.
2. the lead screw motor according to claim 1 with pressure detecting, it is characterised in that：The pretension part is provided with
Through hole, external screw thread is additionally provided with pretension part, and pretension part is coordinated in the through hole of end cap and to pressure sensor by screw thread
Impose pretension active force.
3. the lead screw motor according to claim 1 with pressure detecting, it is characterised in that：The one of the pressure sensor
End is provided with the first projection supported with spacer, and the other end of pressure sensor is provided with the second projection supported with pretension part.
4. the lead screw motor according to claim 1 with pressure detecting, it is characterised in that：The other end of the spacer is set
There are axial projection, axial projection to be supported after being inserted into drive end bearing bracket with clutch shaft bearing.
5. a kind of device for automatically controlling braking, including controller, it is characterised in that also include as Claims 1-4 is any one
Lead screw motor described in, the pressure sensor in the lead screw motor are electrically connected with the controller by wire, controller and screw mandrel
Motor is electrically connected, and the pressure value of detection is passed to controller by pressure sensor, and controller is to export according to the size of pressure
The control signal of no cut-out lead screw motor power supply.
6. the device according to claim 5 for automatically controlling braking, including controller, it is characterised in that the controller
Including A/D converter, PLC, relay, the output end of A/D converter electrically connects with PLC input, PLC output end with after
The coil electrical connection of electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696213.1U CN207010445U (en) | 2017-06-15 | 2017-06-15 | Lead screw motor with pressure detecting and the device for automatically controlling braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696213.1U CN207010445U (en) | 2017-06-15 | 2017-06-15 | Lead screw motor with pressure detecting and the device for automatically controlling braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010445U true CN207010445U (en) | 2018-02-13 |
Family
ID=61446754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720696213.1U Active CN207010445U (en) | 2017-06-15 | 2017-06-15 | Lead screw motor with pressure detecting and the device for automatically controlling braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380591A (en) * | 2018-04-12 | 2019-10-25 | 上海鸣志电器股份有限公司 | A kind of step-by-step linear electric motor with hollow shaft |
| JP7045355B2 (en) | 2019-11-05 | 2022-03-31 | シナノケンシ株式会社 | Lead screw device |
-
2017
- 2017-06-15 CN CN201720696213.1U patent/CN207010445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380591A (en) * | 2018-04-12 | 2019-10-25 | 上海鸣志电器股份有限公司 | A kind of step-by-step linear electric motor with hollow shaft |
| JP7045355B2 (en) | 2019-11-05 | 2022-03-31 | シナノケンシ株式会社 | Lead screw device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No.355, Longjin Road, Lucheng street, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Dingzhi Intelligent Control Technology Co., Ltd Address before: 3 / F, building C, Tian'an industrial village, Changzhou City, Jiangsu Province 213000 Patentee before: CHANGZHOU DINGS' ELECTRICAL & MECHANICAL Co.,Ltd. |
|
| CP03 | "change of name, title or address" |