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Motor self-adaptive supporting device based on belt transmission mechanism

A belt drive and support device technology, applied in the direction of electromechanical devices, transmission devices, electric components, etc., can solve the problems of inability to adjust in time, poor effect, etc., and achieve the effect of easy maintenance and high work reliability

Active Publication Date: 2021-07-23
江天科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above two methods require manual participation and cannot be adjusted in a timely manner, so the effect is poor

Method used

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  • Motor self-adaptive supporting device based on belt transmission mechanism
  • Motor self-adaptive supporting device based on belt transmission mechanism
  • Motor self-adaptive supporting device based on belt transmission mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 As shown, this embodiment includes a base plate 1, a slide plate 3, a lead screw 2, a gear commutator and a contact wheel 10. The base plate 1 is fixed on the base of the pumping unit, and the slide plate 3 is slidably installed on the base plate 1 through a dovetail groove structure. And the sliding direction is consistent with the length direction of the belt 11 ; the lead screw 2 is rotatably mounted on the base plate 1 , and the slide plate 3 is connected with the lead screw 2 through threads and can slide under the drive of the lead screw 2 . The above structure is a common structure on various machine tools, and its core function is to achieve the purpose of moving the motor 4 by rotating the lead screw 2 .

[0037] Such as figure 1 As shown, the gear commutator further includes an input shaft 9, an output shaft 6, an intermediate transmission shaft 8 and four bevel gears 7, wherein a bevel gear 7 is respectively installed on the input shaft 9 an...

Embodiment 2

[0041]The difference between this embodiment and the first embodiment lies in that the structure of the contact wheel 10 is optimized.

[0042] Such as figure 2 As shown, as a further technical solution, the contact wheel 10 is an assembly, including the driving wheel 13, the driven wheel 14, the ring sleeve 23, the sliding plate 15 and the tension spring A17, and the driving wheel 13 is installed on the output shaft through the bearing 22. On the shaft 6, the driven wheel 14 is installed on the output shaft 6 through a flat key, and the sliding piece 15 is slid and inserted on the outer edge of the driving wheel 13 in the radial direction, and is always kept toward the driving wheel 13 under the tension of the tension spring A17. The center moves closer; the inner side of the driven wheel 14 is processed with a ratchet 16 matching the end of the slide 15, and after the slide 15 meshes with the ratchet 16, the driving wheel 13 and the driven wheel 14 rotate synchronously; Th...

Embodiment 3

[0047] In this embodiment, the structure of the contact wheel 10 is further optimized on the basis of the second embodiment.

[0048] Such as Figure 3-5 As shown, as a further technical solution, a sliding sleeve 18 is also installed in the driving wheel 13, and the sliding plate 15 and the tension spring A17 are installed on the sliding sleeve 18; the sliding sleeve 18 is slid and inserted in the radial direction. on the driving wheel 13, and under the pulling force of another tension spring B20, always keep the movement trend close to the axis of the driving wheel 13; the elastic coefficient of the tension spring B20 is greater than that of the tension spring A17; the side of the sliding sleeve 18 A through hole is provided, and a lock block 19 is slidably installed in the through hole, and lock grooves 21 are respectively arranged on the sliding plate 15 and the driving wheel 13 corresponding to the two ends of the lock block 19 .

[0049] After adopting the above-mention...

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Abstract

The invention belongs to the field of oil field pumping unit equipment, and particularly relates to a motor self-adaptive supporting device based on a belt transmission mechanism. The motor self-adaptive supporting device comprises a base plate, a sliding plate, a lead screw, a gear commutator and a contact wheel, wherein the base plate is fixed on a base of a pumping unit, the sliding plate is arranged on the base plate in a sliding mode through a dovetail groove structure, and the sliding direction of the sliding plate is consistent with the length direction of a belt; the lead screw is rotationally arranged on the base plate, the sliding plate is connected with the lead screw in a threaded manner, and the sliding plate can slide under the driving of the lead screw; and the gear commutator further comprises an input shaft, an output shaft, a middle transmission shaft and four bevel gears. According to the motor self-adaptive supporting device, automatic tensioning of the belt is realized by adopting a pure mechanical structure, the technical principle is unprecedented, and compared with an electric control automatic tensioning device which is frequently adopted in the mechanical field, the motor self-adaptive supporting device is higher in working reliability, rainproof, dustproof, easy to maintain and more suitable for being used by the pumping unit which runs in a severe field environment.

Description

technical field [0001] The invention belongs to the field of oilfield pumping unit equipment, and in particular relates to a motor self-adaptive support device based on a belt transmission mechanism. Background technique [0002] The pumping unit is the most commonly used oil extraction equipment in oil field production. The structure of the pumping unit includes a motor and a reducer. Both the motor and the reducer are equipped with white gears, and the two gears are connected by a belt. In the actual use process, the belt will become loose after long-term use, that is, the tension will become smaller. At this time, if the tightness of the belt is not adjusted in time, it will cause problems such as insufficient power at the end of the pumping unit and excessive wear of the belt. [0003] At present, there are two main methods to adjust the tension of the pumping unit belt: the first method is to install a tension pulley on the side of the belt, and manually adjust the posi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/14F16H37/12H02K7/10
CPCF16H7/14F16H37/124F16H2007/0876F16H2007/0891H02K7/1004
Inventor 陈少侠
Owner 江天科技有限公司