阅读说明：本技术 一种输出循环正、反转的装置 (Device for output circulation forward and backward rotation ) 是由 宋嗣新 宋绪波 冯素丽 于 2020-08-04 设计创作，主要内容包括：一种输出循环正、反转的装置,包括架体、换向输入变速箱、底座、滑轨、柱销齿条、柱销齿条座、输出装置和齿条导轨；换向输入变速箱输入一个单方向的转动,换向输入变速箱的柱销齿轮与柱销齿条啮合,经过柱销齿条的转换,输出齿轮输出正、反转转动。本发明能实现一个转向的输入,两个循坏往复转向的输出。结构紧凑,密封性好,使用寿命长,传动平顺。本发明采用柱销齿条与柱销齿轮啮合传动,能使柱销齿轮与柱销齿条紧密啮合,传送更加平顺和稳定。本发明应用于抽油机时,经过与现有的游梁式抽油机对比试验,节能50％。(An output circulation forward and backward rotation device comprises a frame body, a reversing input gearbox, a base, a sliding rail, a pin rack seat, an output device and a rack guide rail; the reversing input gearbox inputs one-way rotation, a pin gear of the reversing input gearbox is meshed with a pin rack, and the output gear outputs forward rotation and reverse rotation through conversion of the pin rack. The invention can realize the input of one steering and the output of two cyclic reciprocating steering. Compact structure, good sealing performance, long service life and smooth transmission. The invention adopts the meshing transmission of the pin rack and the pin gear, so that the pin gear and the pin rack are tightly meshed, and the transmission is smoother and more stable. When the invention is applied to the pumping unit, the energy is saved by 50 percent through the comparison test with the prior beam pumping unit.)

1. An output cycle forward and reverse rotation device, characterized in that: comprises a frame body (1), a reversing input gearbox (2), a base (3), a slide rail (4), a pin rack (5), a pin rack seat (6), an output device (7) and a rack guide rail (8);

the reversing input gearbox (2) comprises an output pin gear (21), a sliding key type input shaft (22), a small bevel gear (23), a large bevel gear (24) and a transmission shaft (25); the large bevel gear (24) and the output pin gear (21) share a transmission shaft (25), the transmission shaft (25) is fixed on the base (3) through a bearing, the small bevel gear (23) is meshed with the large bevel gear (24), a sliding key sleeve is arranged at the center of the small bevel gear (23), the sliding key sleeve of the sliding key type input shaft (22) penetrates through the small bevel gear (23), the sliding key type input shaft (22) can drive the small bevel gear (23) to rotate, the small bevel gear (23) can slide on the sliding key type input shaft (22), and the input end of the sliding key type input shaft (22) is fixed on the frame body (1) through the bearing and the bearing fixing seat (10); a guide bearing (26) is installed on a transmission shaft (25) at the outer end of the output pin gear (21), a limiting ring (61) is arranged on the periphery of the inner side surface of the pin rack seat (6), the pin rack (5) is positioned in the limiting ring (61), the outer side of the guide bearing (26) is tightly contacted with the limiting ring (61), and the output pin gear (21) coaxial with the guide bearing (26) is tightly meshed with the pin rack (5);

an output pin gear (21) of the reversing input gearbox (2) is meshed with the peripheral surface of the pin rack (5); power is input through a sliding key type input shaft (22) of the reversing input gearbox (2);

the sliding rail (4) is transversely fixed on the frame body (1), the base (3) fixed with the reversing input gearbox (2) is positioned on the sliding rail (4), grooves are formed in two sides of the sliding rail (4), the bottom of the base (3) is provided with a limiting guide block (31), the limiting guide block (31) is positioned in the groove of the sliding rail (4), and the base (3) and the reversing input gearbox (2) on the base are limited to only slide along the sliding rail (4);

the output device (7) comprises a rack (71), a rack slider (72) and an output gear (73); the pin rack (5) is vertically installed on the inner side face of a pin rack seat (6), a rack (71) is vertically arranged in the middle of the outer side face of the pin rack seat (6), rack sliding blocks (72) are arranged on two sides of the rack (71), two rack guide rails (8) are vertically arranged on a rack body (1), the rack sliding blocks (72) are hooked in grooves in two sides of the rack guide rails (8), an output gear (73) is meshed with the rack (71), the output gear (73) is provided with an output shaft (74), the output shaft (74) is fixed on the rack body (1) through a bearing, and the pin rack seat (6) can only slide up and down along the rack guide rails (8).

Technical Field

The invention relates to a gearbox, in particular to a device for forward and reverse rotation of an output cycle.

Background

At present, a beam pumping unit has become one of the types of pumping units mainly used in oil fields due to the characteristics of reliable performance, simple structure, convenient operation and maintenance and the like.

The conventional beam pumping unit realizes the up-and-down reciprocating motion of the pumping unit by using a crank mechanism, and the reciprocating mechanism has a complex structure. In addition, in the up-down stroke of the pumping unit, because the torque generated on the rotating shaft of the crank mechanism is unequal, the torque variation amplitude on the crank shaft is very large, the fluctuation of the power of the motor is large directly, the load factor of the motor in most time is very low, and a large amount of mechanical energy is wasted in the form of heat loss.

Disclosure of Invention

The invention aims to solve the problems of complex crank mechanism of the existing pumping unit and large energy consumption of a motor used by the pumping unit, and provides a device for forward and reverse rotation of an output cycle.

An output circulation forward and backward rotation device comprises a frame body, a reversing input gearbox, a base, a sliding rail, a pin rack seat, an output device and a rack guide rail;

the reversing input gearbox comprises an output pin gear, a sliding key type input shaft, a small bevel gear, a large bevel gear and a transmission shaft; the large bevel gear and the output pin gear share a transmission shaft, the transmission shaft is fixed on the base through a bearing, the small bevel gear is meshed with the large bevel gear, a sliding key sleeve is arranged at the center of the small bevel gear, the sliding key type input shaft penetrates through the sliding key sleeve of the small bevel gear, the sliding key type input shaft can drive the small bevel gear to rotate, the small bevel gear can slide on the sliding key type input shaft, and the input end of the sliding key type input shaft is fixed on the frame body through the bearing and the bearing fixing seat; the guide bearing is installed on the transmission shaft of output pin gear outer end, and the periphery of pin rack seat medial surface has the spacing collar, and the pin rack is located the spacing collar, and the outside and the spacing collar in close contact with of guide bearing, and output pin gear and the pin rack of being coaxial with guide bearing closely mesh.

An output pin gear of the reversing input gearbox is meshed with the peripheral surface of the pin rack; power is input through a sliding key type input shaft of the reversing input gearbox;

the slide rail is transversely fixed on the frame body, the base fixed with the reversing input gearbox is positioned on the slide rail, grooves are formed in two sides of the slide rail, the bottom of the base is provided with a limiting guide block, the limiting guide block is positioned in the grooves of the slide rail, and the base and the reversing input gearbox on the base are limited to only slide along the slide rail.

The output device comprises a rack, a rack sliding block and an output gear; the pin rack is vertically installed on the inner side face of the pin rack seat, a rack is vertically arranged in the middle of the outer side face of the pin rack seat, rack sliding blocks are arranged on two sides of the rack, two rack guide rails are vertically arranged on the frame body, the rack sliding blocks are hooked in grooves in two sides of the rack guide rails, the output gear is meshed with the rack, the output gear is provided with an output shaft, the output shaft is fixed on the frame body through a bearing, and the pin rack seat can only slide up and down along the rack guide rails.

The working process and principle of the invention are as follows:

the sliding key type input shaft drives the small bevel gear to rotate, the small bevel gear is meshed with the large bevel gear to drive the large bevel gear to rotate, the large bevel gear drives the output pin gear to rotate, the pin gear is meshed with the pin rack, when the pin rack moves downwards to the lowest position, the pin gear bypasses from the upper end of the pin rack, and when the pin rack moves upwards to the highest position, the pin gear bypasses from the lower end of the pin rack to further drive the pin rack to move upwards and downwards along the rack guide rail. Namely, the pin gear rotates and reciprocates left and right, and the pin gear is always meshed with the pin rack and drives the pin rack to reciprocate up and down. The pin rack seat integrated with the pin rack moves up and down along with the driving pin rack, the rack on the outer side surface of the pin rack seat moves up and down, the output gear meshed with the rack rotates forwards and backwards, and the output shaft of the output gear outputs forward and backward power.

In the reversing process, the output pin gear reciprocates left and right, at the moment, the reversing input gearbox and the base reciprocate along the slide rail, and the small bevel gear slides back and forth along the slide key type input shaft by the slide key sleeve.

The guide bearing is installed to the transmission shaft of output pin gear outer end, the periphery of pin rack seat medial surface has the spacing collar, the outside and the spacing collar in close contact with of guide bearing, output pin gear and the inseparable meshing of pin rack coaxial with the guide bearing, and then guarantee that output pin gear coaxial with the guide bearing meshes with the pin rack all the time, simultaneously, restricted output pin gear and switching-over input gearbox and controlled reciprocal range, still restricted the reciprocal range from top to bottom of pin rack.

The invention has the beneficial effects that:

1. the input of one steering and the output of two cyclic reciprocating steering can be realized.

2. Compact structure, good sealing performance, long service life and smooth transmission.

3. The invention adopts the meshing transmission of the pin rack and the pin gear, so that the pin gear and the pin rack are tightly meshed, and the transmission is smoother and more stable. If the transmission of the rack and the gear of the gear teeth is adopted, the axle center distance between the rack and the gear is fixed, a gap is reserved between the rack and the gear, the gear and the rack can not be tightly meshed, and the transmission is not smooth.

4. When the invention is applied to the pumping unit, the energy is saved by 50 percent through the comparison test with the prior beam pumping unit.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of another aspect of the present invention.

Fig. 3 is a perspective view showing a specific structure of the present invention.

Fig. 4 is a perspective view of another specific structure of the present invention.

Fig. 5 is a perspective view of another embodiment of the present invention.

FIG. 6 is a perspective view of the reverse input gearbox of the present invention.

FIG. 7 is a perspective view of another perspective of the reverse input gearbox of the present invention.

Fig. 8 is a schematic view of the commutation limiting structure of the present invention.

Detailed Description

Referring to fig. 1 to 8, an output cycle forward/reverse rotation device includes a frame 1, a reversing input gearbox 2, a base 3, a slide rail 4, a pin rack 5, a pin rack seat 6, an output device 7, and a rack guide rail 8;

the reversing input gearbox 2 comprises an output pin gear 21, a sliding key type input shaft 22, a small bevel gear 23, a large bevel gear 24 and a transmission shaft 25; the large bevel gear 24 and the output pin gear 21 share a transmission shaft 25, the transmission shaft 25 is fixed on the base 3 through a bearing, the small bevel gear 23 is meshed with the large bevel gear 24, a sliding key sleeve is arranged in the center of the small bevel gear 23, the sliding key type input shaft 22 penetrates through the sliding key sleeve of the small bevel gear 23, the sliding key type input shaft 22 can drive the small bevel gear 23 to rotate, the small bevel gear 23 can slide on the sliding key type input shaft 22, and the input end of the sliding key type input shaft 22 is fixed on the frame body 1 through the bearing and the bearing fixing seat 10; the transmission shaft 25 at the outer end of the output pin gear 21 is provided with a guide bearing 26, the periphery of the inner side surface of the pin rack seat 6 is provided with a limiting ring 61, the pin rack 5 is positioned in the limiting ring 61, the outer side of the guide bearing 26 is tightly contacted with the limiting ring 61, and the output pin gear 21 coaxial with the guide bearing 26 is tightly meshed with the pin rack 5.

An output pin gear 21 of the reversing input gearbox 2 is meshed with the peripheral surface of the pin rack 5; power is input through a sliding key input shaft 22 of the reverse input gearbox 2;

the slide rail 4 is transversely fixed on the frame body 1, the base 3 fixed with the reversing input gearbox 2 is positioned on the slide rail 4, grooves are formed in two sides of the slide rail 4, the bottom of the base 3 is provided with a limiting guide block 31, the limiting guide block 31 is positioned in the grooves of the slide rail 4, and the base 3 and the reversing input gearbox 2 on the base are limited to only slide along the slide rail 4.

The output device 7 comprises a rack 71, a rack slider 72 and an output gear 73; the pin rack 5 is vertically installed on the inner side surface of the pin rack seat 6, a rack 71 is vertically arranged in the middle of the outer side surface of the pin rack seat 6, rack sliders 72 are arranged on two sides of the rack 71, two rack guide rails 8 are vertically arranged on the frame body 1, the rack sliders 72 are hooked in grooves in two sides of the rack guide rails 8, an output gear 73 is meshed with the rack 71, the output gear 73 is provided with an output shaft 74, the output shaft 74 is fixed on the frame body 1 through a bearing, and the pin rack seat 6 can only slide up and down along the rack guide rails 8.

The working process and principle of the embodiment are as follows:

the sliding key type input shaft 22 drives the small bevel gear 23 to rotate, the small bevel gear 23 is meshed with the large bevel gear 24 to drive the large bevel gear 24 to rotate, the large bevel gear 24 drives the output pin gear 21 to rotate, the pin gear 21 is meshed with the pin rack 5, when the pin rack 5 descends to the lowest position, the pin gear 21 bypasses from the upper end of the pin rack 5, and when the pin rack 5 ascends to the highest position, the pin gear 21 bypasses from the lower end of the pin rack 5 to further drive the pin rack 5 to move up and down along the rack guide rail 8. Namely, the pin gear 21 rotates and reciprocates left and right, and the pin gear 21 is always engaged with the pin rack 5 and drives the pin rack 5 to reciprocate up and down. The pin rack seat 6 integrated with the pin rack 5 moves up and down along with driving the pin rack 5, the rack 71 on the outer side surface of the pin rack seat 6 moves up and down, the output gear 73 meshed with the rack 71 rotates in forward and reverse directions, and the output shaft 74 of the output gear 73 outputs forward and reverse power.

In the reversing process, the output pin gear 21 reciprocates left and right, at the moment, the reversing input gearbox 2 and the base 3 reciprocate along the slide rail 4, and the small bevel gear 23 slides back and forth along the sliding key type input shaft 22 by a sliding key sleeve.

The transmission shaft 25 at the outer end of the output pin gear 21 is provided with a guide bearing 26, the periphery of the inner side surface of the pin rack seat 6 is provided with a limit ring 61, the outer side of the guide bearing 26 is in close contact with the limit ring 61, the output pin gear 21 coaxial with the guide bearing 26 is tightly meshed with the pin rack 5, and therefore the output pin gear 21 coaxial with the guide bearing 26 is always meshed with the pin rack 5, meanwhile, the left-right reciprocating amplitude of the output pin gear 21 and the reversing input gearbox 2 is limited, and the up-down reciprocating amplitude of the pin rack 5 is also limited.

Test results of the present invention: when the invention is applied to the pumping unit, the energy is saved by 50 percent through the comparison test with the prior beam pumping unit.