CN209340451U - Gear-box - Google Patents
Gear-box Download PDFInfo
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- CN209340451U CN209340451U CN201920036161.4U CN201920036161U CN209340451U CN 209340451 U CN209340451 U CN 209340451U CN 201920036161 U CN201920036161 U CN 201920036161U CN 209340451 U CN209340451 U CN 209340451U
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- gear
- output shaft
- display panel
- viewing area
- cabinet
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Abstract
The utility model provides a kind of gear-box, belongs to field of mechanical technique.This gear-box includes cabinet and is rotatably arranged on the intracorporal input shaft of case and output shaft, input shaft, which is connected with output shaft by transmission mechanism, makes output shaft that input shaft be followed to rotate together, cabinet is stretched out in output shaft outer end, there is tubular instruction unit outside cabinet, annular display panel is cased with outside output shaft outer end, display panel is located in instruction unit, and display panel and instruction unit are rotatablely connected, output shaft can drive display panel to rotate by planetary gear reducing mechanism, and the revolving speed of display panel is less than the revolving speed of output shaft, display panel far from the end face of cabinet have "on" position viewing area and gate-dividing state viewing area, and "on" position viewing area and gate-dividing state viewing area are along the circumferentially distributed of output shaft, there is pointer in instruction unit, and pointer can be directed toward "on" position viewing area or gate-dividing state viewing area.This gear-box has the advantages that precisely react disconnecting switch operating status.
Description
Technical field
The utility model relates to a kind of gear-box, especially a kind of GIS electrical equipment gear-box.
Background technique
With the fast development of electric utility, gas-insulating and fully-enclosed combined electrical apparatus (abbreviation GIS) runs on generation extensively
Boundary various regions, high voltage, large capacity, miniaturization are the development trends in GIS device future, miniaturization GIS product in recent years by with
Family favor.There are mainly two types of forms for the kind of drive of GIS disconnecting switch at present, and one is the transmissions of connecting rod swing formula, another
It is rack and pinion engagement transmission.
Existing gear type GIS electric appliance a kind of transmission shaft and gear using the transmission shaft as disclosed in chinese patent library
[application number: 201510498918.8], gear-box includes gear box casing, in gear box casing for case, disconnecting switch and GIS device
It is rotatably equipped with the horizontal axis that pivot center extends in left-right direction, is rotatably equipped with transmission on the downside of horizontal axis in gear box casing
Axis, transmission shaft include the shaft body that integrally formed axis vertically extends, and the upper end of shaft body is provided with and the cross
The transmission shaft bevel gears of axis transmission connection, the lower end of shaft body are provided with for exhausted with the transmission connection of the shaft insulation of disconnecting switch
Edge axis transmission structure.
The division instruction of disconnecting switch all indicates that text space is excessive using multiple status texts at present, displacement instruction
Precision is low；Meanwhile status text follows shaft insulation to rotate synchronously, when the circle number of shaft insulation rotation is greater than 1 circle, at this point,
Multiple status texts can occur repeatedly, cause operator can not precisely detection and isolation switch whether divide-shut brake in place.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, and proposing a kind of can precisely react isolation
The gear-box of operating status is switched, the technical issues of solution is.
The purpose of this utility model can be realized by the following technical scheme: gear-box, including cabinet and rotation are set
It sets in the intracorporal input shaft of case and output shaft, the input shaft is connected with output shaft by transmission mechanism, and to follow output shaft defeated
Enter axis to rotate together, cabinet is stretched out in the outer end of the output shaft, which is characterized in that the outside of cabinet has instruction cylindrical in shape
Portion is cased with display panel in a ring outside the outer end of the output shaft, and the display panel is located in instruction unit, and shows
Panel and instruction unit are rotatablely connected, and the output shaft can drive display panel to rotate by planetary gear reducing mechanism, and aobvious
Show panel revolving speed be less than output shaft revolving speed, the display panel far from the end face of cabinet have "on" position viewing area
With gate-dividing state viewing area, and "on" position viewing area and gate-dividing state viewing area are along the circumferentially distributed of output shaft, the finger
Showing has pointer in portion, and pointer can be directed toward "on" position viewing area or gate-dividing state viewing area.
In use, input shaft is connected with GIS electrical equipment isolation switch insulation axis to drive output shaft to rotate, output shaft is logical
It crosses planetary gear reducing mechanism and drives display panel rotation, and finally make "on" position viewing area or gate-dividing state viewing area and refer to
Needle is opposite, so that staff is understood, operating status that is accurate and easily learning disconnecting switch, to improve operation GIS electricity
The safety of device equipment.
In actual use, under the action of planetary gear reducing mechanism, the rotation of display panel is controlled always at one
In swing circle, it is directed toward a viewing area, Lai Tigao always to ensure that pointer is in separating brake or making process in disconnecting switch
React precision and accuracy.
In above-mentioned gear-box, the "on" position viewing area is by isolation "on" position viewing area and contact of earth shape
State viewing area composition, and contact of earth status display area, isolation "on" position viewing area and gate-dividing state viewing area three surround
The axis of output shaft is sequentially distributed.Using above-mentioned design, make to indicate that content is finer, to further increase safety.
In above-mentioned gear-box, the planetary gear reducing mechanism includes planetary gear and is connected too with output shaft
Sun is taken turns, and has ring gear in the instruction unit, planetary gear is between ring gear and sun gear, and sun gear and ring gear
It is meshed with planetary gear, the display panel is fixedly connected with planetary gear.It is preferred that planetary gear quantity is 3 and edge
The circumferential direction of output shaft is uniformly distributed.
In above-mentioned gear-box, the instruction unit is the indicator drum being connected with cabinet, the sun gear and instruction
Cylinder rotation connection, and output shaft is connected by flat key with sun gear.Using above-mentioned design, make state indicating mechanism and cabinet phase
It is mutually independent, to facilitate processing and assembling.
There is interconnecting piece in a ring in above-mentioned gear-box, on one end of the sun gear, which is arranged
Outside output shaft, and sun gear is between interconnecting piece and cabinet, and the lateral wall of the interconnecting piece is equipped with jump-ring slot, circlip
Slot is provided with circlip, and the both ends of display panel offset with the inner wall of indicator drum and circlip respectively.In matching for circlip and indicator drum
Under conjunction, display panel is effectively limited in the axial direction, while again under the cooperation of ring gear and sun gear, radially effectively limitation
Display panel makes to form reliable rotation connection, Lai Tigao job stability between display panel and indicator drum.
In above-mentioned gear-box, there is annular convex shoulder on lateral wall of the sun gear far from one end of interconnecting piece,
With annular gear edge on the inner sidewall of the indicator drum, annular gear edge covers outside sun gear, and the both ends difference of annular convex shoulder
It offsets with cabinet and annular gear edge.Under the action of circlip and annular convex shoulder, to limit sun gear in the axial direction, in planetary gear
Under the action of output shaft, effectively to limit sun gear radially, sun gear and indicator drum rotation connection are realized to stablize.
In above-mentioned gear-box, the indicator drum is made of elastic material, and the outer surface of the cabinet is equipped with
Mounting groove in a strip shape, and the length of mounting groove radially extending along output shaft, mounting groove at least there are two, and two of them pacify
Tankage is set side by side and is distributed in output shaft two sides, and the indicator drum is between display panel and mounting groove, on indicator drum
Integrally formed with the matched buckle of mounting groove, and at least one above-mentioned buckle is snapped in each mounting groove.
In above-mentioned gear-box, offered on the inner wall of the indicator drum and display panel face and annular in shape
Guide groove, guide groove and output shaft are coaxially set, and have on the display panel and match with guide groove and in circular ring shape
Guide ring, and guide ring is located in guide groove.Under the cooperation of guide ring and guide groove, the rotation of display panel is risen preferable
Guiding role, it is ensured that display panel is steady, accurately rotates, the precision and accuracy of Lai Tigao state response.
In above-mentioned gear-box, the planetary gear is between guide groove and sun gear.
In above-mentioned gear-box, being equipped between the outer wall of the guide ring and the inner wall of guide groove makes guide ring and refers to
Show the sealing ring that sealing is formed between cylinder.Under sealing ring effect, seal planetary gear reducing mechanism more in one
In chamber, effectively to avoid the impurity such as dust from contacting with planetary gear reducing mechanism, Lai Tigao transmission accuracy, to further mention
The precision and accuracy of high state reaction.
In above-mentioned gear-box, the pointer is located at indicator drum far from this end face of cabinet.
Compared with prior art, this gear-box has the advantage that
1, in actual use, under the action of planetary gear reducing mechanism, the rotation of display panel is controlled always one
In a swing circle, it is directed toward a viewing area always to ensure that pointer is in separating brake or making process in disconnecting switch, makes work
Make personnel and can understand, learn precisely and easily the operating status of disconnecting switch, to improve the safety of operation GIS electrical equipment
Property.
2, sealing ring is set between guide ring and indicator drum, while planetary gear reducing mechanism being arranged in indicator drum again
It is interior and between display panel and cabinet, it is in planetary gear reducing mechanism in one chamber more sealed, with effective
The impurity such as dust are avoided to contact with planetary gear reducing mechanism, Lai Tigao transmission accuracy, to further increase state response
Precision and accuracy.
3, it is rotatablely connected with indicator drum by setting display panel and sun gear, makes entire status display mechanism and cabinet
Mutually indepedent setting, to facilitate the processing and assembling of this gear-box.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this gear-box.
Fig. 2 is the schematic cross-sectional view of this gear-box.
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A.
Fig. 4 is the configuration schematic diagram of this gear-box.
Fig. 5 is the right side structural representation of this gear-box.
In figure, 1, cabinet；1a, mounting groove；2, input shaft；3, output shaft；4, bevel gear one；5, bevel gear two；6, it indicates
Cylinder；6a, pointer；6b, ring gear；6c, guide groove；6d, buckle；6e, annular gear edge；7, display panel；7a, "on" position are shown
Area；7a1, isolation "on" position viewing area；7a2, contact of earth status display area；7b, gate-dividing state viewing area；7c, guide ring；
8, planetary gear；9, sun gear；9a, interconnecting piece；9b, annular convex shoulder；10, connecting shaft；11, circlip；12, sealing ring.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, this gear-box includes cabinet 1 and the input shaft 2 that is rotatably arranged in cabinet 1 and defeated
Shaft 3, input shaft 2, which is connected with output shaft 3 by transmission mechanism, makes output shaft 3 that input shaft 2 be followed to rotate together.In the present embodiment
In, output shaft 3 has two and is distributed on the same line.Transmission mechanism includes the bevel gear 1 being connected with input shaft 2 and difference
The two bevel gears 25 being connected with two output shafts 3, bevel gear 1 is between two bevel gears 25, and two bevel gears 25 with cone
Gear 1 is meshed.
Specifically, cabinet 1 is stretched out in the outer end of two output shafts 3, and the outbound course of two output shafts 3 is opposite.Cabinet 1
Outside has instruction unit cylindrical in shape, wherein being cased with display panel 7 in a ring outside the outer end of an output shaft 3, instruction unit is shown
Show that panel 7 and 3 three of output shaft are coaxially set, display panel 7 is located in instruction unit, and display panel 7 and instruction unit rotate
Connection.Output shaft 3 can drive display panel 7 to rotate by 8 deceleration mechanism of planetary gear, and the revolving speed of display panel 7 is less than defeated
The revolving speed of shaft 3.There is "on" position viewing area 7a and gate-dividing state viewing area 7b on end face of the display panel 7 far from cabinet 1,
And "on" position viewing area 7a and gate-dividing state viewing area 7b are along the circumferentially distributed of output shaft 3.There is pointer 6a in instruction unit, and
Pointer 6a can be directed toward "on" position viewing area 7a or gate-dividing state viewing area 7b.In the present embodiment, pointer 6a is located at instruction unit
On this end face far from cabinet 1, "on" position viewing area 7a is shown by isolation "on" position viewing area 7a1 and contact of earth state
Show that area 7a2 is formed, and contact of earth status display area 7a2, isolation "on" position viewing area 7a1 and gate-dividing state viewing area 7b tri-
Person is sequentially distributed around the axis of output shaft 3.In actual product, contact of earth status display area 7a2, isolation "on" position are shown
Different colours and the corresponding text of setting can be set in area 7a1 and gate-dividing state viewing area 7b three.
Wherein, as shown in Figure 2, Figure 3 and Figure 4, planetary gear reducing mechanism includes planetary gear 8 and is connected with output shaft 3
Sun gear 9, there is ring gear 6b, planetary gear 8 is between ring gear 6b and sun gear 9, and 9 He of sun gear in instruction unit
Ring gear 6b is meshed with planetary gear 8, and display panel 7 is fixedly connected with planetary gear 8.It is preferred that the quantity of planetary gear 8 is 3
It is a and uniformly distributed along the circumferential direction of output shaft 3；Each planetary gear 8 is connected by connecting shaft 10 and display panel 7.
In the present embodiment, instruction unit is the indicator drum 6 being connected with cabinet 1, and sun gear 9 and indicator drum 6 are rotatablely connected, and
Output shaft 3 is connected by flat key with sun gear 9.Using above-mentioned design, keep state indicating mechanism and cabinet 1 mutually indepedent, with
Facilitate processing and assembling.Naturally, in practical structures, instruction unit and cabinet 1 are an integral structure also possible.
Wherein,
As shown in Figure 3 and Figure 5, the mounting means of indicator drum 6 is specific as follows: indicator drum 6 is made of elastic material, elastic material
Material can be plastic material or stainless steel material.The outer surface of cabinet 1 is equipped with mounting groove 1a in a strip shape, and mounting groove 1a
Length is radially extended along output shaft 3.Mounting groove 1a at least there are two, and two of them mounting groove 1a is set side by side and is distributed in
3 two sides of output shaft.Indicator drum 6 is between display panel 7 and mounting groove 1a, on indicator drum 6 integrally formed with mounting groove 1a
Matched buckle 6d, and at least one above-mentioned buckle 6d is snapped in each mounting groove 1a.It is preferred that mounting groove 1a has 3,
And 6d is buckled there are two being all provided in each mounting groove 1a.
As shown in figure 3, the mode that indicator drum 6 and display panel 7 are rotatablely connected is specific as follows: having on sun gear 9 is in ring
The interconnecting piece 9a of shape, and interconnecting piece 9a and sun gear 9 are an integral structure.Interconnecting piece 9a is set in outside output shaft 3, and sun gear
9 between interconnecting piece 9a and cabinet 1.The lateral wall of interconnecting piece 9a is equipped with jump-ring slot, and jump-ring slot is provided with circlip 11, and aobvious
Show that the both ends of panel 7 offset with the inner wall of indicator drum 6 and circlip 11 respectively.Under the cooperation of circlip 11 and indicator drum 6, in axial direction
Upper effectively limitation display panel 7, while again under the cooperation of ring gear 6b and sun gear 9, display surface is effectively limited radially
Plate 7 makes to form reliable rotation connection, Lai Tigao job stability between display panel 7 and indicator drum 6.
The mode that indicator drum 6 and sun gear 9 are rotatablely connected is specific as follows: having on the lateral wall of the other end of sun gear 9
Annular convex shoulder 9b, and annular convex shoulder 9b and sun gear 9 are an integral structure.There is annular kept off on the inner sidewall of indicator drum 6 along 6e,
Annular gear covers outside sun gear 9 along 6e, and the both ends of annular convex shoulder 9b offset with cabinet 1 and annular gear along 6e respectively.In circlip
Under the action of 11 and annular convex shoulder 9b, to limit sun gear 9 in the axial direction, under the action of planetary gear 8 and output shaft 3, with
Sun gear 9 is effectively limited radially, realizes that sun gear 9 and indicator drum 6 are rotatablely connected to stablize.
It further illustrates, as shown in figure 3, being offered on the inner wall of indicator drum 6 and 7 face of display panel and annular in shape
Guide groove 6c, guide groove 6c and output shaft 3 are coaxially set, and have on display panel 7 and match with guide groove 6c and in circular ring shape
Guide ring 7c, and guide ring 7c is located in guide groove 6c.Under the cooperation of guide ring 7c and guide groove 6c, to display panel 7
Rotation play preferable guiding role, it is ensured that display panel 7 is steady, accurately rotates, the precision and standard of Lai Tigao state response
True property.Further, planetary gear 8 is between guide groove 6c and sun gear 9, the outer wall of guide ring 7c and guide groove 6c's
The sealing ring 12 for making to be formed sealing between guide ring 7c and indicator drum 6 is equipped between inner wall.
In use, input shaft 2 is connected to drive output shaft 3 to rotate with GIS electrical equipment isolation switch insulation axis, output shaft
3 drive display panel 7 to rotate by 8 deceleration mechanism of planetary gear, and finally make that "on" position viewing area 7a1 is isolated or is grounded to close
Lock status display area 7a2 or gate-dividing state viewing area 7b are opposite with pointer 6a, so that staff is understood, precisely and easily
The operating status of disconnecting switch is learnt, to improve the safety of operation GIS electrical equipment.
In actual use, under the action of planetary gear reducing mechanism, the rotation of display panel 7 is controlled always at one
In swing circle, it is directed toward a viewing area always to ensure that pointer 6a is in separating brake or making process in disconnecting switch, to mention
Height reaction precision and accuracy.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. gear-box, the input shaft (2) and output shaft (3) including cabinet (1) and being rotatably arranged in cabinet (1) are described
Input shaft (2) be connected with output shaft (3) by transmission mechanism and make output shaft (3) that input shaft (2) be followed to rotate together, it is described
Cabinet (1) is stretched out in the outer end of output shaft (3), which is characterized in that the outside of cabinet (1) has instruction unit cylindrical in shape, described
Display panel (7) in a ring is cased with outside the outer end of output shaft (3), the display panel (7) is located in instruction unit, and shows
Panel (7) and instruction unit are rotatablely connected, and the output shaft (3) can drive display panel (7) by planetary gear reducing mechanism
Rotation, and the revolving speed of display panel (7) is less than the revolving speed of output shaft (3), end of the display panel (7) far from cabinet (1)
There is "on" position viewing area (7a) and gate-dividing state viewing area (7b) on face, and "on" position viewing area (7a) and gate-dividing state
Viewing area (7b) is circumferentially distributed along output shaft (3), has pointer (6a) in the instruction unit, and pointer (6a) can be directed toward conjunction
Lock status display area (7a) or gate-dividing state viewing area (7b).
2. gear-box according to claim 1, which is characterized in that closed a floodgate by isolation the "on" position viewing area (7a)
Status display area (7a1) and contact of earth status display area (7a2) composition, and contact of earth status display area (7a2), isolation are closed
The axis of lock status display area (7a1) and gate-dividing state viewing area (7b) three around output shaft (3) is sequentially distributed.
3. gear-box according to claim 1, which is characterized in that the planetary gear reducing mechanism includes planetary gear
(8) and with output shaft (3) sun gear (9) being connected, has ring gear (6b) in the instruction unit, and planetary gear (8) is in
Between ring gear (6b) and sun gear (9), and sun gear (9) and ring gear (6b) are meshed with planetary gear (8), described
Display panel (7) is fixedly connected with planetary gear (8).
4. gear-box according to claim 3, which is characterized in that the instruction unit is the instruction being connected with cabinet (1)
Cylinder (6), the sun gear (9) and indicator drum (6) are rotatablely connected, and output shaft (3) is connected by flat key with sun gear (9).
5. gear-box according to claim 4, which is characterized in that have in a ring on one end of the sun gear (9)
Interconnecting piece (9a), which is set in output shaft (3) outside, and sun gear (9) is in interconnecting piece (9a) and cabinet (1)
Between, the lateral wall of the interconnecting piece (9a) is equipped with jump-ring slot, and jump-ring slot is provided with circlip (11), and display panel (7)
Both ends offset respectively with the inner wall of indicator drum (6) and circlip (11).
6. gear-box according to claim 5, which is characterized in that the one of the sun gear (9) separate interconnecting piece (9a)
There is annular convex shoulder (9b) on the lateral wall at end, have annular gear along (6e), annular gear on the inner sidewall of the indicator drum (6)
Along (6e) cover sun gear (9) outside, and the both ends of annular convex shoulder (9b) respectively with cabinet (1) and annular gear edge (6e) offset.
7. according to gear-box described in claim 4 or 5 or 6, which is characterized in that the indicator drum (6) is by elastic material system
At the outer surface of the cabinet (1) is equipped with mounting groove (1a) in a strip shape, and the length of mounting groove (1a) is along output shaft
(3) radially extend, mounting groove (1a) at least there are two, and two of them mounting groove (1a) is set side by side and is distributed in output shaft
(3) two sides, the indicator drum (6) are between display panel (7) and mounting groove (1a), on indicator drum (6) integrally formed with
With the matched buckle (6d) of mounting groove (1a), and each mounting groove (1a) in be snapped at least one above-mentioned buckle (6d).
8. gear-box according to claim 4, which is characterized in that offer and show on the inner wall of the indicator drum (6)
Show panel (7) face and guide groove (6c) annular in shape, guide groove (6c) and output shaft (3) are coaxially set, and described is aobvious
Showing has the guide ring (7c) for matching and be in circular ring shape with guide groove (6c) on panel (7), and guide ring (7c) is located at guide groove
In (6c).
9. gear-box according to claim 8, which is characterized in that the planetary gear (8) be in guide groove (6c) and
Between sun gear (9), between the outer wall of the guide ring (7c) and the inner wall of guide groove (6c) be equipped with make guide ring (7c) and
The sealing ring (12) of sealing is formed between indicator drum (6).
10. gear-box according to claim 4, which is characterized in that the pointer (6a) is located at indicator drum (6) far from case
On this end face of body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036161.4U CN209340451U (en) | 2019-01-09 | 2019-01-09 | Gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036161.4U CN209340451U (en) | 2019-01-09 | 2019-01-09 | Gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340451U true CN209340451U (en) | 2019-09-03 |
Family
ID=67761348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920036161.4U Active CN209340451U (en) | 2019-01-09 | 2019-01-09 | Gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340451U (en) |
-
2019
- 2019-01-09 CN CN201920036161.4U patent/CN209340451U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Gearbox Effective date of registration: 20220915 Granted publication date: 20190903 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wenling branch Pledgor: Zhejiang Xuanye Precision Manufacturing Co.,Ltd. Registration number: Y2022330002247 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |