CN210536422U - Electric push rod device - Google Patents
Electric push rod device Download PDFInfo
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- CN210536422U CN210536422U CN201921468817.6U CN201921468817U CN210536422U CN 210536422 U CN210536422 U CN 210536422U CN 201921468817 U CN201921468817 U CN 201921468817U CN 210536422 U CN210536422 U CN 210536422U
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- driving nut
- lead screw
- nut
- shift fork
- power
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Abstract
The utility model discloses an electric putter device, the reciprocating impact tunnel drilling machine comprises a machine body fuselage one end is equipped with power portion, the cooperation is connected with planetary gear mechanism in the power portion, planetary gear mechanism still is connected with lead screw power transmission, the mid-mounting of lead screw has driving nut, driving nut's middle part activity joint has the shift fork of being connected with outside machinery, the shift fork reciprocates and the swing back and forth on driving nut, the left and right sides symmetry of shift fork is equipped with the mounting hole, be equipped with the round pin axle that is used for bearing the moment of flexure in the mounting hole. In this way, the utility model discloses electric putter device, the condition of overcoming the moment of flexure production to the nut that can be fine makes the nut only receive axial load, has prolonged life.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to an electric putter device.
Background
The electric push rod is also called a linear driver, is a novel linear actuating mechanism mainly composed of a motor push rod, a control device and other mechanisms, and can be considered as an extension of a rotating motor in the aspect of structure; the electric push rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of the push rod; the device can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control. The electric push rod is divided into a trapezoidal screw rod type, a ball screw rod type, a planetary roller screw rod type and the like according to the form of a screw rod.
According to the existing electric push rod for the port machinery, after a screw rod runs, a drive nut does linear motion, and a long arm is required to extend out to drive a load, so that if the drive nut is in rigid connection, the load can generate a bending moment on the nut, and the service life of the nut is influenced.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides an electric putter device, and overcome that can be fine is to the condition that the moment of flexure of nut produced, makes the nut only receive axial load, has prolonged life.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electric push rod device, including the fuselage one end is equipped with power portion, the cooperation is connected with planetary gear mechanism in the power portion, planetary gear mechanism still is connected with lead screw power transmission, drive nut is installed in the middle part cooperation of lead screw, drive nut's middle part activity joint has the shift fork of being connected with outside machinery, the shift fork reciprocates and the swing back and forth on drive nut, the left and right sides symmetry of shift fork is equipped with the mounting hole, be equipped with the round pin axle that is used for bearing the moment of flexure in the mounting hole.
In a preferred embodiment of the present invention, the left and right ends of the driving nut are in a cap-like structure protruding outward in the circumferential direction, and the shifting fork is connected to the middle of the driving nut and is axially limited by the left and right ends of the driving nut.
In a preferred embodiment of the present invention, the lead screw is movably provided with a lead screw oil storage box, and the lead screw oil storage box is located at the left and right ends of the driving nut.
In a preferred embodiment of the present invention, the shifting fork is provided with an oil passing groove, and the driving nut is provided with an oil passing hole communicated with the oil passing groove.
In a preferred embodiment of the present invention, a silicone pad is disposed between the middle portion of the driving nut and the shift fork.
In a preferred embodiment of the present invention, the body is provided with a sliding groove, and the upper end of the shifting fork extends out of the sliding groove.
In a preferred embodiment of the present invention, the left and right sides of the body are provided with connecting plates for connecting external machines.
In a preferred embodiment of the present invention, the other end of the lead screw is connected to the encoder through a coupling and a flange.
In a preferred embodiment of the present invention, a rain cover is further connected to the body, and the rain cover is located outside the power unit.
The utility model has the advantages that: the utility model discloses electric putter device, the condition of overcoming the moment of flexure production to the nut that can be fine makes the nut only receive axial load, has prolonged life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the electric putter device of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1;
the parts in the drawings are numbered as follows: 1. the device comprises a body, 2, a power part, 3, a planetary gear mechanism, 4, a screw rod, 5, a driving nut, 51, a cap-shaped structure, 52, an oil passing hole, 6, a shifting fork, 61, an oil passing groove, 7, a mounting hole, 8, a screw rod oil storage box, 9, a silica gel pad, 10, a sliding groove, 11, a connecting plate, 12 and an encoder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an electric putter device includes a body 1, a power unit 2 is disposed at one end of the body 1, a planetary gear mechanism 3 is cooperatively connected to the power unit 2, the planetary gear mechanism 3 is further in power transmission connection with a lead screw 4, a driving nut 5 is cooperatively mounted at the middle of the lead screw 4, a shifting fork 6 mechanically connected with an external machine is movably clamped at the middle of the driving nut 5, the shifting fork 6 moves up and down and swings back and forth on the driving nut 5, mounting holes 7 are symmetrically disposed at the left and right sides of the shifting fork 6, and a pin shaft for bearing bending moment is disposed in the mounting hole 7. The shifting fork 6 and the driving nut 5 are in floating connection, can slide up and down and swing back and forth, so that the effect of floating power transmission is achieved, the situation that the bending moment of the driving nut 5 is generated is well overcome, the driving nut 5 is only subjected to axial load, and all the bending moment is generated on the two pin shafts below the shifting fork 6.
In addition, the left end and the right end of the driving nut 5 are cap-shaped structures 51 protruding outwards along the circumferential direction, and the shifting fork 6 is clamped in the middle of the driving nut 5 and is axially limited by the left end and the right end of the driving nut 5.
In addition, a screw oil storage box 8 is movably arranged on the screw 4, and the screw oil storage box 8 is positioned at the left end and the right end of the driving nut 5.
In addition, an oil passing groove 61 is formed in the shift fork 6, and an oil passing hole 52 communicated with the oil passing groove 61 is formed in the driving nut 5.
In addition, a silica gel pad 9 is arranged between the middle part of the driving nut 5 and the shifting fork 6.
In addition, the body 1 is provided with a sliding groove 10, and the upper end of the shifting fork 6 extends out of the sliding groove 10.
In addition, connection plates 11 for connecting external machines are provided on both left and right sides of the body 1.
In addition, the other end of the screw 4 is connected to the encoder 12 through a coupling and a flange.
In addition, still be connected with rain-proof cover 13 on the fuselage 1, rain-proof cover 13 is located the outside of power portion 2, and power portion generally is the motor.
Be different from prior art, the utility model discloses electric putter device, the condition of overcoming the moment of flexure production to the nut that can be fine makes the nut only receive axial load, has prolonged life.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides an electric putter device, includes the fuselage one end is equipped with power portion, the cooperation is connected with planetary gear mechanism in the power portion, planetary gear mechanism still is connected with lead screw power transmission, a serial communication port, driving nut is installed in the middle part cooperation of lead screw, driving nut's middle part activity joint has the shift fork of being connected with outside machinery, the shift fork reciprocates and the swing back and forth on driving nut, the left and right sides symmetry of shift fork is equipped with the mounting hole, be equipped with the round pin axle that is used for bearing the moment of flexure in the mounting hole, driving nut's both ends are for following the outside bellied cap-shaped structure of circumference about, the shift fork joint is at driving nut's middle part to it is spacing to control both ends axial through driving nut.
2. The electric push rod device according to claim 1, wherein a lead screw oil storage box is movably arranged on the lead screw, and the lead screw oil storage box is positioned at the left end and the right end of the drive nut.
3. The electric putter device according to claim 2, wherein the fork has an oil passing groove, and the driving nut has an oil passing hole communicating with the oil passing groove.
4. The power putter device of claim 3, wherein a silicone pad is provided between the middle portion of the driving nut and the shift fork.
5. The electric putter device according to any one of claims 1 to 4, wherein the body is formed with a sliding groove, and an upper end of the fork is extended out of the sliding groove.
6. The power putter device of claim 5, wherein the body is provided at both left and right sides thereof with connection plates for connecting external machines.
7. The power putter device of claim 5, wherein the other end of the lead screw is connected to the encoder through a coupling and a flange.
8. The electric putter device of claim 5, characterized in that a rain cover is further connected to the body, and the rain cover is located outside the power unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468817.6U CN210536422U (en) | 2019-09-05 | 2019-09-05 | Electric push rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468817.6U CN210536422U (en) | 2019-09-05 | 2019-09-05 | Electric push rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210536422U true CN210536422U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921468817.6U Active CN210536422U (en) | 2019-09-05 | 2019-09-05 | Electric push rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210536422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601437A (en) * | 2019-09-05 | 2019-12-20 | 无锡艾尔特线性运动机械有限公司 | Electric push rod device |
-
2019
- 2019-09-05 CN CN201921468817.6U patent/CN210536422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601437A (en) * | 2019-09-05 | 2019-12-20 | 无锡艾尔特线性运动机械有限公司 | Electric push rod device |
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