CN113784557A - Encoder protection device and encoder device - Google Patents
Encoder protection device and encoder device Download PDFInfo
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- CN113784557A CN113784557A CN202110997047.XA CN202110997047A CN113784557A CN 113784557 A CN113784557 A CN 113784557A CN 202110997047 A CN202110997047 A CN 202110997047A CN 113784557 A CN113784557 A CN 113784557A
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- encoder
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a protecting device for an encoder and an encoder device, wherein the protecting device for the encoder comprises a first shell, a second shell and a connecting piece, a first hole penetrating through the first shell is formed in the outer peripheral surface of the first shell, the first shell is suitable for being connected with a rotary support of a rotary speed reducer so that the rotary speed reducer can drive the first shell to rotate, the encoder is suitable for being installed in the second shell, the second shell is arranged in the first shell and is suitable for being connected with an external fixed support so that the first shell and the second shell can rotate relatively, a second hole penetrating through the second shell is formed in the outer peripheral surface of the second shell, the first hole and the second hole are oppositely arranged in the inner and outer directions so that a cable of the encoder penetrates through the first hole and the second hole and is connected with external detection equipment, one end of the connecting piece is connected with the first shell, and the other end of the connecting piece is suitable for being connected with a rotating shaft of the encoder. The protector for the encoder has the advantages of simple structure, good protection performance, high safety performance and the like.
Description
Technical Field
The invention relates to the technical field of protection, in particular to a protection device for an encoder and the encoder device.
Background
The encoder is equipment for compiling and converting signals (such as bit streams) or data into signal forms capable of being used for communication, transmission and storage, has the advantages of high precision and good stability, and is widely applied to the field of automatic control and mechanical arms of automatic anchor rod drill rigs.
In the correlation technique, the anchor rod drill carriage mechanical arm has a severe working environment, and the encoder is extremely easy to damage in the using process and has low reliability.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides the protecting device for the encoder, which has the advantages of simple structure, high protecting performance and low cost.
The embodiment of the invention provides an encoder device which is simple in structure and long in service life.
The embodiment of the invention provides an encoder device which is simple in structure, low in cost and accurate in detection.
The protection device for the encoder according to the embodiment of the invention comprises: the first shell is provided with a first hole penetrating through the first shell on the outer peripheral surface, and the first shell is suitable for being connected with a rotary support of a rotary speed reducer so that the rotary speed reducer drives the first shell to rotate; the second shell is suitable for being provided with an encoder, the second shell is arranged in the first shell and is suitable for being connected with an external fixed support so that the first shell and the second shell can rotate relatively, a second hole penetrating through the second shell is formed in the peripheral surface of the second shell, and the first hole and the second hole are oppositely arranged in the inner and outer directions so that a cable of the encoder can penetrate through the first hole and the second hole and is connected with external detection equipment; the connecting piece, the one end of connecting piece with first shell links to each other, the other end of connecting piece be applicable to with the pivot of encoder links to each other, the connecting piece is used for first shell drives when rotating the pivot of encoder rotates.
According to the encoder device provided by the embodiment of the invention, the first shell, the second shell and the connecting piece are arranged, so that the encoder is protected under the condition that the work of the encoder is not influenced, and the service life of the encoder is prolonged.
In some embodiments, the outer periphery of the connecting member is provided with a flange extending and closing along the circumferential direction of the connecting member, the flange is arranged in the first shell and used for abutting and matching with the first shell, one end of the connecting member, which penetrates out of the first shell, is provided with a fastening member, and the fastening member and the flange are used for clamping and connecting the first shell and the connecting member.
In some embodiments, the first shell is provided with a through hole, the through hole is suitable for the connecting piece to pass through, and the inner peripheral wall of the through hole is in rotation stopping fit with the connecting piece.
In some embodiments, the encoder protector further comprises a coupling, the coupling comprising: the first annular plate and the second annular plate are connected to form a twisted 8-shaped structure, and the axial direction of the first annular plate and the axial direction of the second annular plate form an included angle; the first connecting portion is arranged in the first annular plate and is arranged at intervals with the connecting position of the first annular plate and the second annular plate, a first mounting hole is formed in the coupler, the first mounting hole is formed in the first connecting portion and the first annular plate and extends in the direction from the first annular plate to the second annular plate, and the first mounting hole is suitable for being connected with the connecting piece; the second connecting portion, the second connecting portion establish in the second annular plate and with first annular plate with the hookup location interval arrangement of second annular plate, be equipped with the second mounting hole on the shaft coupling, the second mounting hole is established the second connecting portion with in the second annular plate and along following the second annular plate extremely the direction of first annular plate extends, the second mounting hole is applicable to and links to each other with the pivot of encoder.
In some embodiments, the first housing further has a third hole penetrating through the first housing, the third hole being opposite to the connecting member in an inward and outward direction so as to mount the coupling between the connecting member and the rotary shaft of the encoder.
In some embodiments, the first annular plate and the second annular plate are made of elastic metal.
In some embodiments, an outer peripheral side of the first connecting portion is provided with a first annular groove in which at least a part of the first annular plate is fitted, and an outer peripheral side of the second connecting portion is provided with a second annular groove in which at least a part of the second annular plate is fitted.
In some embodiments, an outer circumferential surface of an end of the first shell remote from the connecting member is provided with a flange so that the first shell is connected with a slewing support of the slewing reducer.
In some embodiments, the protector for an encoder further includes a positioning element, the positioning element is disposed on the second housing, at least a portion of the positioning element extends into the second housing and is in abutting fit with the encoder, and a position of the positioning element along a height direction of the first housing is adjustable to adjust an abutting force between the positioning element and the encoder.
An encoder apparatus according to an embodiment of the present invention includes: an encoder; the protection device for the encoder is any one of the protection devices for the encoder in the above embodiments, the encoder is arranged in the second shell, the rotating shaft of the encoder penetrates through the second shell of the protection device for the encoder to be connected with the connecting piece of the protection device for the encoder, and the cable of the encoder penetrates through the first hole and the second hole of the protection device for the encoder to be connected with external equipment.
Drawings
Fig. 1 is a perspective view of an encoder apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an encoder apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a coupling of an encoder apparatus according to an embodiment of the present invention.
Reference numerals:
an encoder device 100;
a first case 1; a first hole 11; a third bore 12;
a second shell 2; a second hole 21;
a positioning member 3;
an encoder 4; a rotating shaft 41; electrical cables 42;
a connecting member 5; a flange 51; a fastener 52; a coupler 6; a first annular plate 61; a second annular plate 62; the first connecting portion 63; a first mounting hole 64; and a second connecting portion 65.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A protector for an encoder according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.
As shown in fig. 1 to 2, the protector for an encoder according to the embodiment of the present invention includes a first case 1, a second case 2, and a connecting member 5.
Be equipped with the first hole 11 that runs through first shell 1 on the outer peripheral face of first shell 1, first shell 1 is applicable to and links to each other with slewing reducer's gyration is supported to slewing reducer drives first shell 1 and rotates.
The second shell 2 is internally provided with an encoder 4, the second shell 2 is arranged in the first shell 1, the second shell 2 is suitable for being connected with an external fixed support, so that the first shell 1 and the second shell 2 can rotate relatively, the peripheral surface of the second shell 2 is provided with a second hole 21 penetrating through the second shell 2, and the first hole 11 and the second hole 21 are oppositely arranged in the inner and outer directions, so that a cable 42 of the encoder 4 passes through the first hole 11 and the second hole 21 and is connected with an external detection device.
Specifically, as shown in fig. 1-2, a first hole 11 is formed in the outer circumferential surface of the first shell 1, a second hole 21 is formed in the second shell 2, the first hole 11 and the second hole 21 are opposite to each other at intervals in the inner and outer directions, the inner circumferential surface of the first shell 1 and the outer circumferential surface of the second shell 2 are arranged at intervals, the first shell 1 is connected with the slewing bearing through a flange, the second shell 2 is connected with the fixed support through a flange, the encoder 4 is arranged in the second shell 2, and the cable 42 of the encoder 4 passes through the first hole 11 and the second hole 21 and is connected with an external detection device, so that the slewing angle of the slewing reducer is measured.
One end of the connecting piece 5 is connected with the first shell 1, the other end of the connecting piece 5 is suitable for being connected with the rotating shaft 41 of the encoder 4, and the connecting piece 5 is used for driving the rotating shaft 41 of the encoder 4 to rotate when the first shell 1 rotates. Specifically, as shown in fig. 1-2, the upper end of the connecting member 5 is connected to the housing, and the lower end of the connecting member 5 is connected to the rotating shaft 41 of the encoder 4, so that the rotating shaft 41 of the connecting member 5 is driven to rotate by the first housing 1, and the encoder 4 measures the rotation angle of the rotary support.
According to the protection device for the encoder, the encoder 4 is protected through the arrangement of the first shell 1, the second shell 2 and the connecting piece 5, the encoder 4 is prevented from being damaged due to the fact that the external environment is severe, the service life of the encoder 4 is prolonged, and the working efficiency of the encoder 4 is guaranteed.
In some embodiments, the outer periphery of the connecting member 5 is provided with a flange 51, the flange 51 extends and closes along the circumferential direction of the connecting member 5, the flange 51 is arranged in the first shell 1 and is used for abutting fit with the first shell 1, one end of the connecting member 5, which penetrates out of the first shell 1, is provided with a fastener 52, and the fastener 52 and the flange 51 are used for clamping and connecting the first shell 1 and the connecting member 5. Specifically, as shown in fig. 1-2, the outer periphery of the connecting member 5 is provided with a flange 51, the flange 51 abuts against the lower part of the top surface of the first shell 1, the upper end of the first shell 1 penetrates through the top surface, and a fastening member 52 is provided, and the top surface is clamped by the fastening member 52 and the flange 51 in a matching manner, so that the first shell 1 drives the connecting member 5 to rotate.
In some embodiments, the first housing 1 is provided with a through hole, the through hole is suitable for the connecting piece 5 to pass through, and the inner peripheral wall of the through hole is in rotation stopping fit with the connecting piece 5. Specifically, as shown in fig. 1, the top surface of the first housing 1 is provided with a through hole, the connecting member 5 passes through the through hole, and both the inner circumferential surface of the through hole and the outer circumferential surface of the connecting member 5 are provided with key grooves, and the connecting member 5 and the first housing 1 are connected by a key.
It will be appreciated that the first housing 1 and the connecting member 5 may also be fixed by interference fit, by screws, etc., and the fastening member 52 may be a nut provided at the upper end of the connecting member 5 by screw-fitting.
In some embodiments, the encoder protector further comprises a coupler 6.
The coupling 6 includes a first annular plate 61, a second annular plate 62, a first connecting portion 63, and a second connecting portion 65.
The first annular plate 61 and the second annular plate 62 are connected and form a twisted 8-shaped structure, and the axial direction of the first annular plate 61 forms an included angle with the axial direction of the second annular plate 62. Specifically, as shown in fig. 2-3, the axial direction of the first annular plate 61 is at a 90 ° angle to the axial direction of the second annular plate 62, and the first annular plate 61 and the second annular plate 62 are connected and form a twisted, vertical, figure 8 configuration.
The first connecting portion 63 is disposed in the first annular plate 61 and is spaced apart from the connecting positions of the first annular plate 61 and the second annular plate 62, the coupling 6 is provided with a first mounting hole 64, the first mounting hole 64 is disposed in the first connecting portion 63 and the first annular plate 61 and extends in a direction from the first annular plate 61 to the second annular plate 62, and the first mounting hole 64 is adapted to be connected to the connecting member 5.
Specifically, as shown in fig. 2 to 3, the first connecting portion 63 is disposed on the inner circumferential surface of the first annular plate 61 and located at the lower end of the first annular plate 61, the first connecting portion 63 is spaced apart from the upper end of the first annular plate 61, the first mounting hole 64 penetrates through the first annular plate 61 and the first connecting portion 63, the rotating shaft 41 of the encoder 4 is inserted into the first mounting hole 64, and the rotating shaft 41 is fixed to the first connecting portion 63 by a screw.
The second connecting portion 65 is provided in the second annular plate 62 and is spaced apart from the connecting positions of the first annular plate 61 and the second annular plate 62, and a second mounting hole is provided in the coupling 6, which is provided in the second connecting portion 65 and the second annular plate 62 and extends in a direction from the second annular plate 62 to the first annular plate 61, and which is adapted to be connected to the rotating shaft 41 of the encoder 4.
Specifically, as shown in fig. 2 to 3, the second connecting portion 65 is provided on the inner circumferential surface of the second annular plate 62 and located at the upper end of the second annular plate 62, the second connecting portion 65 is provided at an interval from the lower end of the second annular plate 62, a second mounting hole penetrates through the second annular plate 62 and the second connecting portion 65, the connecting member 5 is inserted into the second mounting hole, and the connecting member 5 is fixed to the second connecting portion 65 by a screw.
In some embodiments, the first housing 1 is further provided with a third hole 12 penetrating the first housing 1, and the third hole 12 is opposite to the connecting member 5 in the inward and outward direction so as to mount the coupling 6 between the connecting member 5 and the rotating shaft 41 of the encoder 4. Specifically, as shown in fig. 1, the third bore 12 is located above the first bore 11, and the third bore 12 and the first bore 11 are located on the same side of the first case 1, the third bore 12 and the coupling 6 being opposed in the inward and outward directions, thereby facilitating the installation of the coupling 6.
In some embodiments, the outer circumferential surface of the end of the first housing 1 remote from the connecting member 5 is provided with a flange so that the first housing 1 is connected to the slewing bearing of the slewing gear reducer. Specifically, as shown in fig. 1, the outer peripheral surface of the lower end of the first case 1 is provided with a flange, and the flange is fixed to the slewing support of the slewing reducer by bolts or screws, thereby fixing the first case 1 to the slewing support of the slewing reducer.
In some embodiments, the outer peripheral side of the first connecting portion 63 is provided with a first annular groove in which at least a part of the first annular plate 61 is fitted, the outer peripheral side of the second connecting portion 65 is provided with a second annular groove in which at least a part of the second annular plate 62 is fitted.
Specifically, the lower end portion of the first connection portion 63 is provided with a first annular groove in which the first annular plate 61 can be caught, thereby making the first connection portion 63 fixed in the first annular groove, the upper end portion of the second connection portion 65 is provided with a second annular groove in which the second annular plate 62 can be caught, thereby making the second connection portion 65 fixed in the second annular groove.
It is to be understood that the coupling of the encoder protector according to the embodiment of the present invention is not limited thereto, and for example, the coupling of the present invention may be any one of a GRC bellows coupling, a single diaphragm coupling, an oldham coupling, and the like.
In some embodiments, the width dimension of the first aperture 11 is greater than the width dimension of the second aperture 21. Therefore, the smaller size of the second hole 21 can make the exposed external environment of the encoder 4 smaller, and protect the encoder 4, and the larger size of the first hole 11 can prevent the cable 42 of the encoder 4 from influencing the rotation of the first shell 1 when the first shell 1 rotates.
In some embodiments, the protecting device for an encoder further includes a positioning element 3, the positioning element 3 is disposed on the second housing 2, at least a portion of the positioning element 3 extends into the second housing 2 and is in abutting engagement with the encoder 4, and the position of the positioning element 3 along the height direction (the up-down direction shown in fig. 1) of the first housing 1 is adjustable to adjust the abutting force between the positioning element 3 and the encoder 4.
Specifically, as shown in fig. 1-2, the positioning element 3 is disposed on the top surface of the second housing 2 in a penetrating manner, and the positioning element 3 penetrates through the second housing 2 to be in abutting engagement with the encoder 4, so that the encoder 4 is fixed in the second housing 2 by adjusting the pressing force between the positioning element 3 and the encoder 4 by adjusting the upper positioning element 3 and the lower positioning element 3, and the encoder 4 is prevented from shaking in the second housing 2.
An encoder apparatus 100 according to an embodiment of the present invention, as shown in fig. 1-2, includes an encoder 4 and an encoder guard.
The protector for the encoder is the protector for the encoder in any one of the above embodiments, the encoder 4 is arranged in the second shell 2, the rotating shaft 41 of the encoder 4 passes through the second shell 2 of the protector for the encoder to be connected with the connecting piece 5 of the protector for the encoder, and the cable 42 of the encoder 4 passes through the first hole 11 and the second hole 21 of the protector for the encoder to be connected with external equipment.
Specifically, the first shell 1 of the protector for the encoder can be connected with a mechanical arm of the automatic anchor rod drill carriage, so that the swing angle of the mechanical arm is measured through the encoder 4, and the anchor rod drill carriage is more accurate in punching.
The encoder device 100 according to the embodiment of the invention has the advantages of simple structure, long service life, accurate detection result and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "connecting member 5-direction", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A protector for an encoder, comprising:
the first shell is provided with a first hole penetrating through the first shell on the outer peripheral surface, and the first shell is suitable for being connected with a rotary support of a rotary speed reducer so that the rotary speed reducer drives the first shell to rotate;
the second shell is suitable for being provided with an encoder, the second shell is arranged in the first shell and is suitable for being connected with an external fixed support so that the first shell and the second shell can rotate relatively, a second hole penetrating through the second shell is formed in the peripheral surface of the second shell, and the first hole and the second hole are oppositely arranged in the inner and outer directions so that a cable of the encoder can penetrate through the first hole and the second hole and is connected with external detection equipment;
the connecting piece, the one end of connecting piece with first shell links to each other, the other end of connecting piece be applicable to with the pivot of encoder links to each other, the connecting piece is used for first shell drives when rotating the pivot of encoder rotates.
2. The encoder protector according to claim 1, wherein the connecting member has a flange on an outer peripheral side thereof, the flange extending and closing along a circumferential direction of the connecting member, the flange being provided in the first housing and adapted to be in abutting engagement with the first housing, the connecting member having a fastening member at an end thereof extending out of the first housing, the fastening member and the flange being adapted to clamp the first housing to the connecting member.
3. The protector according to claim 2, wherein the first case is provided with a through hole adapted to pass the connecting member therethrough, and an inner peripheral wall of the through hole is engaged with the connecting member in a rotation-stopping manner.
4. The encoder protector of claim 1, further comprising a coupler, said coupler comprising:
the first annular plate and the second annular plate are connected to form a twisted 8-shaped structure, and the axial direction of the first annular plate and the axial direction of the second annular plate form an included angle;
the first connecting portion is arranged in the first annular plate and is arranged at intervals with the connecting position of the first annular plate and the second annular plate, a first mounting hole is formed in the coupler, the first mounting hole is formed in the first connecting portion and the first annular plate and extends in the direction from the first annular plate to the second annular plate, and the first mounting hole is suitable for being connected with the connecting piece;
the second connecting portion, the second connecting portion establish in the second annular plate and with first annular plate with the hookup location interval arrangement of second annular plate, be equipped with the second mounting hole on the shaft coupling, the second mounting hole is established the second connecting portion with in the second annular plate and along following the second annular plate extremely the direction of first annular plate extends, the second mounting hole is applicable to and links to each other with the pivot of encoder.
5. The encoder protector according to claim 4, wherein a third hole is further provided through the first case, the third hole being opposed to the connecting member in a medial-lateral direction so as to mount the coupling between the connecting member and a rotating shaft of the encoder.
6. The protector for an encoder according to claim 4, wherein an outer peripheral side of the first connecting portion is provided with a first annular groove in which at least a part of the first annular plate is fitted, and an outer peripheral side of the second connecting portion is provided with a second annular groove in which at least a part of the second annular plate is fitted.
7. The protector for an encoder according to claim 1, wherein an outer peripheral surface of an end of the first case remote from the connecting member is provided with a flange so that the first case is connected to a slewing support of the slewing reducer.
8. The encoder protector of claim 1, wherein the first aperture has a width dimension greater than a width dimension of the second aperture.
9. The protector for the encoder as claimed in any one of claims 1 to 8, further comprising a positioning member disposed on the second housing, wherein at least a portion of the positioning member extends into the second housing and is in abutting engagement with the encoder, and the positioning member is adjustable in position along the height direction of the first housing to adjust the abutting force between the positioning member and the encoder.
10. An encoder apparatus, comprising:
an encoder;
the protector for the encoder as claimed in any one of claims 1 to 9, wherein the encoder is disposed in the second housing, the rotating shaft of the encoder passes through the second housing of the protector for the encoder to be connected to the connector of the protector for the encoder, and the cable of the encoder passes through the first hole and the second hole of the protector for the encoder to be connected to external equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110997047.XA CN113784557B (en) | 2021-08-27 | 2021-08-27 | Encoder protection device and encoder device |
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|---|---|---|---|
| CN202110997047.XA CN113784557B (en) | 2021-08-27 | 2021-08-27 | Encoder protection device and encoder device |
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| CN113784557A true CN113784557A (en) | 2021-12-10 |
| CN113784557B CN113784557B (en) | 2023-06-16 |
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