CN210218580U - Four-stage gear transmission - Google Patents

Four-stage gear transmission Download PDF

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Publication number
CN210218580U
CN210218580U CN201920345767.6U CN201920345767U CN210218580U CN 210218580 U CN210218580 U CN 210218580U CN 201920345767 U CN201920345767 U CN 201920345767U CN 210218580 U CN210218580 U CN 210218580U
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CN
China
Prior art keywords
gear
adjusting
rotating
adjusting gear
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920345767.6U
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Chinese (zh)
Inventor
Bowen Wang
王博文
Hengrui Li
李恒睿
Rizeng Zhao
赵日赠
Ke Chen
陈珂
Jingjing Li
李晶晶
Zhiyuan Zhang
张志远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Mining and Technology CUMT
Original Assignee
China University of Mining and Technology CUMT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology CUMT filed Critical China University of Mining and Technology CUMT
Priority to CN201920345767.6U priority Critical patent/CN210218580U/en
Application granted granted Critical
Publication of CN210218580U publication Critical patent/CN210218580U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a four-stage gear transmission, which comprises a gear box body, an adjusting device, an input shaft, an output shaft and a transition shaft; the first adjusting gear is arranged on the input shaft in a sliding mode through a first flat key, and a first groove matched with the outer side of the first adjusting gear is formed in one side, close to the first adjusting gear, of the first rotating gear; the second adjusting gear is arranged on the output shaft in a sliding mode through a second flat key, a second groove matched with the outer side of the second adjusting gear is formed in one side, close to the second adjusting gear, of the second rotating gear, the second rotating gear is a duplicate gear and is respectively in meshed connection with the first adjusting gear and the first rotating gear; the third rotating gear is rotatably arranged on the transition shaft, is a double-connection gear and is respectively in meshed connection with the second rotating gear and the second adjusting gear; the adjusting device comprises a first deflector rod and a second deflector rod; this level four gear change box simple structure realizes level four variable speed adjustment, convenient operation.

Description

Four-stage gear transmission
Technical Field
The utility model relates to a derailleur field, concretely relates to level four gear change case is applicable to in the beam-pumping unit.
Background
Many mechanical devices require reciprocating and cyclic reversing actions, and some mechanical devices need to adjust the reversing stroke while completing the reversing.
At present, the pumping unit is an important application of the mechanism. The traditional beam pumping unit realizes stroke change by changing the length of a walking beam and changing the position of the walking beam, and mechanical parts are inconvenient to replace and high in cost; some modes of increasing the speed changer realize the change of the stroke, but when the increased stroke is more, the speed changer has a complex structure, is inconvenient to realize four-stage speed change, and cannot meet different use requirements when the stroke is less.
Disclosure of Invention
An object of the utility model is to provide a level four gear change-speed gear box, simple structure realizes level four variable speed adjustment, convenient operation through first adjusting gear and second adjusting gear's slip, satisfies different user demands.
In order to achieve the purpose, the four-stage gear transmission comprises a gear box body, an adjusting device, an input shaft, an output shaft and a transition shaft;
the input shaft is rotatably arranged in the gear box body and is provided with a first adjusting gear and a first rotating gear, the first adjusting gear is arranged on the input shaft in a sliding mode through a first flat key, the first rotating gear is rotatably arranged on the input shaft, and a first groove matched with the outer side of the first adjusting gear is formed in one side, close to the first adjusting gear, of the first rotating gear;
one end of the first flat key is positioned in the first groove;
the output shaft is rotatably arranged in the gear box body and is provided with a second adjusting gear and a second rotating gear, the second adjusting gear is arranged on the output shaft in a sliding mode through a second flat key, the second rotating gear is rotatably arranged on the output shaft, one side close to the second adjusting gear is provided with a second groove matched with the outer side of the second adjusting gear, and the second rotating gear is a duplicate gear and is respectively in meshed connection with the first adjusting gear and the first rotating gear;
one end of the second flat key is positioned in the second groove;
the transition shaft is rotatably arranged in the gear box body and is rotatably provided with a third rotating gear, and the third rotating gear is a double-connection gear and is respectively in meshed connection with the second rotating gear and the second adjusting gear;
the gear box body is provided with a first slotted hole and a second slotted hole, the adjusting device comprises a first driving lever and a second driving lever, one end of the first driving lever is rotatably arranged on the gear box body, the other end of the first driving lever is fixedly connected to a first adjusting gear through a first connecting rod, and the middle part of the first connecting rod is slidably arranged in the first slotted hole;
one end of the second driving lever is rotatably installed on the gear box body, the other end of the second driving lever is fixedly connected to the second adjusting gear through a second connecting rod, and the middle of the second connecting rod is slidably arranged in the second groove hole.
Further, the transmission ratio of the input shaft to the output shaft may be 1: 8 or 3: 8 or 1: 2 or 3: 2.
Preferably, the first rotating gear, the second rotating gear and the third rotating gear are rotatably mounted on the input shaft, the output shaft and the transition shaft through a pair of self-aligning roller bearings respectively.
Preferably, the input shaft, the output shaft and the transition shaft are rotatably arranged on the gear box body through a pair of tapered roller bearings respectively.
Furthermore, the first connecting rod and the second connecting rod are respectively fixed on the first adjusting gear and the second adjusting gear through cylindrical pins.
Compared with the prior art, the four-stage gear transmission is characterized in that the first adjusting gear and the second adjusting gear are respectively and correspondingly embedded into the first rotating gear and the second rotating gear through the first driving lever and the second driving lever according to use requirements, the first adjusting gear drives the input shaft and the second adjusting gear drives the output shaft, four changes of the transmission ratio of the transmission input and output are realized by utilizing the mutual meshing of the gears, the four-stage stroke adjustment of the pumping unit is realized, different use environments are met, and the four-stage gear transmission is simple to operate; this level four gear change box simple structure realizes level four variable speed adjustment through the slip of first adjusting gear and second adjusting gear, and convenient operation satisfies different user demands.
Drawings
Fig. 1 is an overall plan view of the present invention;
fig. 2 is a schematic view of a first shift lever and a second shift lever of the present invention;
in the figure: 1. the gear box body 11, the first slot hole 12, the second slot hole 21, the input shaft 22, the first adjusting gear 23, the first rotating gear 31, the output shaft 32, the second adjusting gear 33, the second rotating gear 41, the transition shaft 42, the third rotating gear 51, the first deflector rod 52 and the second deflector rod.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the four-stage transmission includes a gear housing 1, an adjustment device, an input shaft 21, an output shaft 31, and a transition shaft 41;
the input shaft 21 is rotatably installed in the gear box body 1 and is provided with a first adjusting gear 22 and a first rotating gear 23, the first adjusting gear 22 is slidably arranged on the input shaft 21 through a first flat key, the first rotating gear 23 is rotatably arranged on the input shaft 21, and a first groove matched with the outer side of the first adjusting gear 22 is formed in one side, close to the first adjusting gear 22, of the first rotating gear 23;
one end of the first flat key is positioned in the first groove;
the output shaft 31 is rotatably installed in the gear box body 1 and is provided with a second adjusting gear 32 and a second rotating gear 33, the second adjusting gear 32 is slidably arranged on the output shaft 31 through a second flat key, the second rotating gear 33 is rotatably arranged on the output shaft 31, a second groove matched with the outer side of the second adjusting gear 32 is formed in one side close to the second adjusting gear 32, and the second rotating gear 33 is a duplicate gear and is respectively meshed and connected with the first adjusting gear 22 and the first rotating gear 23;
one end of the second flat key is positioned in the second groove;
the transition shaft 41 is rotatably installed in the gear box body 1 and is rotatably provided with a third rotating gear 42, and the third rotating gear 42 is a double-connection gear and is respectively meshed and connected with the second rotating gear 33 and the second adjusting gear 32;
the gear box body 1 is provided with a first slotted hole 11 and a second slotted hole 12,
the adjusting device comprises a first driving lever 51 and a second driving lever 52, one end of the first driving lever 51 is rotatably installed on the gear box body 1, the other end of the first driving lever is fixedly connected to the first adjusting gear 22 through a first connecting rod, and the middle part of the first connecting rod is slidably arranged in the first slotted hole 11;
one end of the second driving lever 52 is rotatably mounted on the gear box 1, and the other end is fixedly connected to the second adjusting gear 32 through a second connecting rod, and the middle of the second connecting rod is slidably disposed in the second slot 12.
Further, the transmission ratio of the input shaft 21 to the output shaft 31 may be 1: 8 or 3: 8 or 1: 2 or 3: 2.
Further, the first rotating gear 23, the second rotating gear 33 and the third rotating gear 42 are rotatably mounted on the input shaft 21, the output shaft 31 and the transition shaft 41 through a pair of self-aligning roller bearings, respectively.
Further, the input shaft 21, the output shaft 31, and the transition shaft 41 are rotatably provided in the gear housing 1 through a pair of tapered roller bearings, respectively.
Further, the first link and the second link are fixed to the first adjusting gear 22 and the second adjusting gear 32 by cylindrical pins, respectively.
When the four-stage gear transmission is used, the transmission ratio is controlled by the sliding of the first adjusting gear 22 on the second adjusting gear 32 on the input shaft 21 and the output shaft 31, namely, under the normal condition, the first adjusting gear 22 is meshed with the second rotating gear 33, the second adjusting gear 32 is meshed with the third rotating gear 42, which is a first gear, the input shaft 21 transmits power from the first adjusting gear 22, the second rotating gear 33 and the third rotating gear 42 to the second adjusting gear 32 in sequence, the output shaft 31 rotates through the second flat key, and the input and output transmission ratio is 1: 8;
when the first adjusting gear 22 slides on the first flat key into the first groove on the first rotating gear 23 through the first shift lever 51, which is two gears, the input shaft 21 transmits power from the first rotating gear 23 (the first adjusting gear 22), the second rotating gear 33, and the third rotating gear 42 to the second adjusting gear 32 in sequence, the output shaft 31 rotates through the flat key, and the input-output transmission ratio is 3: 8;
when the second adjusting gear 32 is slid on the flat key into the second groove on the second rotating gear 33 by the second shift lever 52, which is the third gear, the input shaft 21 sequentially transmits power from the first adjusting gear 22 to the second rotating gear 33 (the second adjusting gear 32) so that the output shaft 31 rotates, and the input-to-output transmission ratio is 1: 2;
when the first adjusting gear 22 slides on the flat key into the first groove on the first rotating gear 23 through the first shift lever 51 and the second adjusting gear 32 slides on the flat key into the second groove on the second rotating gear 33 through the second shift lever 52, which is a fourth gear, the input shaft 21 sequentially transmits power from the first rotating gear 23 (the first adjusting gear 22) to the second rotating gear 33 (the second adjusting gear 32) so that the output shaft 31 rotates, and the input-output transmission ratio is 3: 2;
therefore, power enters through the input end and is transmitted out through the output end of the four-stage gear transmission, the change of four transmission ratios is realized, different use environments are met, and the change of the stroke of the oil pumping unit is realized.

Claims (5)

1. The four-stage gear box comprises a gear box body (1), an adjusting device, an input shaft (21), an output shaft (31) and a transition shaft (41); it is characterized in that the preparation method is characterized in that,
the input shaft (21) is rotatably installed in the gear box body (1) and is provided with a first adjusting gear (22) and a first rotating gear (23), the first adjusting gear (22) is arranged on the input shaft (21) in a sliding mode through a first flat key, the first rotating gear (23) is rotatably arranged on the input shaft (21), and a first groove matched with the outer side of the first adjusting gear (22) is formed in one side, close to the first adjusting gear (22), of the first rotating gear (23);
one end of the first flat key is positioned in the first groove;
the output shaft (31) is rotatably installed in the gear box body (1) and is provided with a second adjusting gear (32) and a second rotating gear (33), the second adjusting gear (32) is arranged on the output shaft (31) in a sliding mode through a second flat key, the second rotating gear (33) is rotatably arranged on the output shaft (31), a second groove matched with the outer side of the second adjusting gear (32) is formed in one side close to the second adjusting gear (32), and the second rotating gear (33) is a duplicate gear and is respectively in meshing connection with the first adjusting gear (22) and the first rotating gear (23);
one end of the second flat key is positioned in the second groove;
the transition shaft (41) is rotatably arranged in the gear box body (1) and is rotatably provided with a third rotating gear (42), and the third rotating gear (42) is a double-connection gear and is respectively meshed and connected with the second rotating gear (33) and the second adjusting gear (32);
a first slotted hole (11) and a second slotted hole (12) are formed in the gear box body (1), the adjusting device comprises a first driving lever (51) and a second driving lever (52), one end of the first driving lever (51) is rotatably installed on the gear box body (1), the other end of the first driving lever is fixedly connected to the first adjusting gear (22) through a first connecting rod, and the middle of the first connecting rod is slidably arranged in the first slotted hole (11);
one end of the second driving lever (52) is rotatably arranged on the gear box body (1), the other end of the second driving lever is fixedly connected to the second adjusting gear (32) through a second connecting rod, and the middle part of the second connecting rod is slidably arranged in the second slotted hole (12).
2. The four-stage gear box according to claim 1, characterized in that the transmission ratio of the input shaft (21) to the output shaft (31) may be 1: 8 or 3: 8 or 1: 2 or 3: 2.
3. The four-stage gear box according to claim 1, characterized in that the first (23), second (33) and third (42) rotary gears are rotatably mounted on the input (21), output (31) and transition (41) shafts, respectively, by means of a pair of self-aligning roller bearings.
4. The four-stage gear box according to claim 3, characterized in that the input shaft (21), the output shaft (31) and the transition shaft (41) are rotatably arranged on the gear housing (1) through a pair of tapered roller bearings, respectively.
5. The four-stage gearbox according to claim 1, characterised in that the first and second connecting rods are fixed to the first and second adjusting gear wheels (22, 32) by means of cylindrical pins, respectively.
CN201920345767.6U 2019-03-18 2019-03-18 Four-stage gear transmission Expired - Fee Related CN210218580U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920345767.6U CN210218580U (en) 2019-03-18 2019-03-18 Four-stage gear transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920345767.6U CN210218580U (en) 2019-03-18 2019-03-18 Four-stage gear transmission

Publications (1)

Publication Number Publication Date
CN210218580U true CN210218580U (en) 2020-03-31

Family

ID=69921824

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920345767.6U Expired - Fee Related CN210218580U (en) 2019-03-18 2019-03-18 Four-stage gear transmission

Country Status (1)

Country Link
CN (1) CN210218580U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200331

Termination date: 20210318