阅读说明：本技术 一种双轴双向传动的螺旋轴流式油气混输泵 (Double-shaft bidirectional-transmission spiral axial-flow oil-gas mixed transmission pump ) 是由 权辉 杜媛英 于 2021-01-11 设计创作，主要内容包括：本发明公开了一种双轴双向传动的螺旋轴流式油气混输泵,包括泵体、叶轮、连接轴,连接轴的前端与泵体固定连接,连接轴的末端套设有转轴,转轴的末端连接有电机,转轴的前端与叶轮连接,叶轮包括正向叶轮和反向叶轮交替设置,在正向叶轮的两端设有正向锥齿轮,在反向叶轮的两端设有反向锥齿轮,相邻的正向锥齿轮与反向锥齿轮之间设有传动锥齿轮,传动锥齿轮通过支撑杆与连接轴连接,将原有的导叶替换成反向叶轮,原有的叶轮为正向叶轮,然后通过锥形齿轮的传动后,使得正向叶轮与反向叶轮的转动方向相反,这样混输泵在工作时,就是正、反两个方向的叶轮同时做功,同样机组轴向长度的混输泵的功率却是原来的两倍。(The invention discloses a double-shaft bidirectional-transmission spiral axial-flow oil-gas mixed transmission pump, which comprises a pump body, impellers and a connecting shaft, wherein the front end of the connecting shaft is fixedly connected with the pump body, the tail end of the connecting shaft is sleeved with a rotating shaft, the tail end of the rotating shaft is connected with a motor, the front end of the rotating shaft is connected with the impellers, the impellers comprise forward impellers and reverse impellers which are alternately arranged, forward bevel gears are arranged at two ends of the forward impellers, reverse bevel gears are arranged at two ends of the reverse impellers, a transmission bevel gear is arranged between the adjacent forward bevel gear and the reverse bevel gear, the transmission bevel gear is connected with the connecting shaft through a supporting rod, the original guide vane is replaced by the reverse impeller, the original impeller is the forward impeller, the rotating directions of the forward impeller and the reverse impeller are opposite after transmission of the bevel gears, thus the mixed transmission pump works in both forward and reverse, the power of the mixed transportation pump with the same unit axial length is twice of the original power.)

1. The utility model provides a two-shaft two-way driven spiral axial flow formula oil-gas mixture transfer pump, includes the pump body to and impeller and connecting axle in the pump body, its characterized in that: the impeller comprises a forward impeller and a reverse impeller, the forward impeller and the reverse impeller are alternately arranged, a blade inlet on the latter impeller is designed under the condition of blade outlet on the former impeller, forward bevel gears are arranged at two ends of the forward impeller, reverse bevel gears are arranged at two ends of the reverse impeller, a transmission bevel gear is arranged between the adjacent forward bevel gears and the reverse bevel gears, and the transmission bevel gear is connected with the connecting shaft through a support rod.

2. The spiral axial-flow oil-gas mixture transfer pump with the double-shaft and double-direction transmission as claimed in claim 1, wherein: and the forward bevel gear and the reverse bevel gear are both connected with the connecting shaft through bearings.

3. The spiral axial-flow oil-gas mixture transfer pump with the double-shaft and double-direction transmission as claimed in claim 1, wherein: the support rod is connected with the transmission bevel gear through a bearing.

4. The spiral axial-flow oil-gas mixture transfer pump with the double-shaft and double-direction transmission as claimed in claim 1, wherein: the forward bevel gear and the reverse bevel gear are of the same type.

Technical Field

The invention relates to an oil-gas mixed transportation pump, in particular to a spiral axial-flow oil-gas mixed transportation pump with double shafts and bidirectional transmission.

Background

At present, in current oil-gas mixed transportation pump, all constitute a pressure boost unit by an impeller and a stator, whole pump body is internal to be constituted by a plurality of increase units, consequently at the during operation, it is all that the impeller rotates the doing work, and the stator is then motionless, play the effect of drainage, make the fluid get into next grade impeller with the minimum state of water conservancy loss, consequently, the axial distance of whole oil-gas mixed transportation pump is just very long, when needs increase the power of mixed transportation pump, just need increase the quantity of pressure boost unit, this axial that will make the mixed transportation pump is longer, thereby lead to axial vibration and noise all big, defects such as operation unstability.

Disclosure of Invention

The technical task of the invention is to provide a spiral axial flow type oil-gas mixture transfer pump with double shafts and double directions for transmission aiming at the defects of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a two-axis two-way driven screw axial flow formula oil-gas mixture transport pump, includes the pump body to and impeller and connecting axle in the pump body, wherein the connecting axle passes through the bearing and is connected with the impeller, the front end and the pump body fixed connection of connecting axle, the terminal cover of connecting axle is equipped with the pivot, the end-to-end connection of pivot has the motor, the front end and the impeller of pivot are connected, the impeller includes forward impeller and reverse impeller, forward impeller and reverse impeller set up in turn, and the blade on the back impeller imports and designs the blade export condition on the former impeller forward bevel gear's both ends are equipped with forward bevel gear, be equipped with reverse bevel gear at reverse impeller's both ends, be equipped with drive bevel gear between adjacent forward bevel gear and the reverse bevel gear, drive bevel gear passes through the bracing piece and is connected with.

Further improvement: and the forward bevel gear and the reverse bevel gear are both connected with the connecting shaft through bearings.

Further improvement: the support rod is connected with the transmission bevel gear through a bearing.

Further improvement: the forward bevel gear and the reverse bevel gear are of the same type.

The invention has the advantages that: the original guide vane is replaced by a reverse impeller, the original impeller is a forward impeller, a pressurizing unit is composed of the forward impeller and a reverse impeller, and then the forward impeller and the reverse impeller rotate in opposite directions through the transmission of a bevel gear to form a contra-rotating impeller group, so that when the mixed transportation pump works, the impellers in the forward direction and the reverse direction do work simultaneously, and secondary work is realized, therefore, the power of the traditional pressurizing unit is equivalent to that of the traditional two pressurizing units, under the same axial length of the unit, the power of the mixed transportation pump is twice as much as the original power, or under the condition of ensuring the same pump output efficiency, the axial length of the unit is greatly shortened, the axial force is reduced, the sealing requirement is reduced, the axial vibration is reduced, the noise is reduced, and the mixed transportation pump is safer and more reliable compared with the traditional mixed transportation pump, well guarantee pump assembly steady operation, what the disrotatory impeller assembly can design in addition is than traditional impeller than the rotational speed height for oil-gas mixture transport pump efficiency obtains improving.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the connection of the connecting shaft of the present invention to a drive bevel gear.

Detailed Description

The invention is described in detail below with reference to the drawings.

As shown in the figure, the spiral axial flow type oil-gas mixture transportation pump with double-shaft bidirectional transmission comprises a pump body 1, an impeller and a connecting shaft 2, wherein the impeller and the connecting shaft 2 are arranged in the pump body 1, the connecting shaft 2 is connected with the impeller through a bearing 3, the front end of the connecting shaft 2 is fixedly connected with the pump body 1, the tail end of the connecting shaft 2 is sleeved with a rotating shaft 6, the tail end of the rotating shaft 6 is connected with a motor 7, the front end of the rotating shaft 6 is connected with the impeller, the impeller comprises a forward impeller 4 and a reverse impeller 5, the forward impeller 4 and the reverse impeller 5 are alternately arranged, the inlet of a blade on the latter impeller is designed according to the outlet condition of the blade on the former impeller, forward bevel gears 41 are arranged at the two ends of the forward impeller 4, reverse bevel gears 51 are arranged at the two ends of the reverse impeller 5, and, the transmission bevel gear 22 is connected with the connecting shaft 2 through a support rod 21.

The forward bevel gear 41 and the reverse bevel gear 51 are both connected with the connecting shaft 2 through bearings 3; the support rod 21 is connected with the transmission bevel gear 22 through a bearing; the forward bevel gear 41 is the same as the reverse bevel gear 51 in type.

The working principle is as follows: firstly, the blade inlet of the latter impeller is designed according to the blade outlet condition of the former impeller, the prerotation of the inlet of the next impeller can be effectively eliminated, the hydraulic loss is reduced, a guide vane or a fairing is not required to be independently arranged, the impeller can be enabled to efficiently operate in a multi-stage mode, the front end of the connecting shaft 2 is fixedly arranged on the pump body 1, the positions of the connecting shaft 2 and the transmission bevel gear 22 are fixed in the whole process, when the impeller pump works, the motor 7 drives the reverse impeller 5 and the reverse bevel gear 51 to reversely rotate through the rotating shaft 3, the reverse bevel gear 51 drives the forward bevel gear 41 and the forward impeller 4 to forwardly rotate through the transmission of the transmission bevel gear 22, finally, the forward impeller 4 in the pump body 1 is forwardly rotated, the reverse impeller 5 is reversely rotated, and therefore, the rectification of the guide vane is not needed, and the forward impeller and the reverse impeller can simultaneously do work, the efficiency of defeated pump is thoughtlessly improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.