WO2023122952A1

WO2023122952A1 - Cementing apparatus

Info

Publication number: WO2023122952A1
Application number: PCT/CN2021/142049
Authority: WO
Inventors: 姜振华; 张峰; 魏伟; 李健; 马灯刚
Original assignee: 烟台杰瑞石油装备技术有限公司
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-07-06

Abstract

Disclosed in the present application is a cementing apparatus. The cementing apparatus comprises a plunger pump, hydraulic transmission assemblies, a first transfer case, a gearbox and a chassis engine, wherein the hydraulic transmission assemblies are connected between the plunger pump and the first transfer case; the first transfer case is connected between the gearbox and the hydraulic transmission assemblies; the gearbox is connected between the first transfer case and the chassis engine; and the chassis engine is configured to output power, and the power outputted by the chassis engine is transmitted to the plunger pump via the gearbox, the first transfer case and the hydraulic transmission assemblies. In the cementing apparatus of the present application, the plunger pump is driven by the power outputted by the chassis engine, such that a platform engine does not need to be additionally provided on the cementing apparatus, thereby reducing the weight of the cementing apparatus, and also making the output power of the cementing apparatus more suitable for working conditions with low pressure and small amounts of displacement.

Description

Cementing equipment

technical field

The present application relates to the technical field of well cementing, in particular to a well cementing equipment.

Background technique

Usually, the cementing equipment includes a chassis engine attached to the car body and an on-stage engine installed on the operating platform. The power output by the chassis engine is mainly used to drive the driving wheels of the cementing equipment, and the power output by the on-stage engine is mainly used Drive the plunger pump.

However, in some low-pressure, small-displacement working conditions, the power and weight of the current cementing equipment do not match.

Contents of the invention

The present application discloses a well cementing equipment to solve the use requirement that the current well cementing equipment is not suitable for the working conditions of low pressure and small displacement.

In order to solve the above problems, the application adopts the following technical solutions:

The present application provides a cementing equipment, which includes: a plunger pump, a hydraulic transmission assembly, a first transfer case, a gearbox and a chassis engine, and the hydraulic transmission assembly is connected to the plunger pump and the Between the first transfer case, the first transfer case is connected between the gearbox and the hydraulic transmission assembly, and the gearbox is connected between the first transfer case and the engine , the chassis engine is used to output power, and the power output by the chassis engine is transmitted to the plunger pump through the gearbox, the first transfer case, and the hydraulic transmission assembly.

In the above cementing equipment, the hydraulic transmission assembly includes a hydraulic pump and a hydraulic motor, the hydraulic pump is connected between the first transfer case and the hydraulic motor, and the hydraulic motor is connected to the hydraulic pump and the hydraulic motor between the plunger pumps.

In the above cementing equipment, the number of the hydraulic transmission components is at least two groups, and each group of the hydraulic transmission components includes the hydraulic motor and the hydraulic pump; the cementing equipment also includes a combiner, and the resultant The combiner is connected between each of the hydraulic transmission components and the plunger pump, and is used to combine and transmit the power output by each of the hydraulic motors to the plunger pump; the combiner includes a power input port and a power The output port, the number of the power input port is equal to or greater than the number of groups of the hydraulic transmission components and connected to the hydraulic motor, and the power output port is connected to the plunger pump.

In the above cementing equipment, the hydraulic transmission assembly includes a flow regulating valve, and the flow regulating valve is arranged on the hydraulic pump for adjusting the transmission ratio of the hydraulic transmission assembly.

In the above cementing equipment, the combiner includes a second transfer case, the output port of the second transfer case serves as the power input port, and the input port of the second transfer case serves as the power output port .

The above cementing equipment further includes a rotating shaft connected between the force combiner and the plunger pump.

In the above cementing equipment, the hydraulic pump is a closed hydraulic pump.

In the above cementing equipment, the cementing equipment includes a chassis, the chassis engine is arranged on the chassis; the hydraulic transmission assembly is arranged between two girders on the chassis.

In the above cementing equipment, the chassis engine operates at rated power.

In the above cementing equipment, the cementing equipment further includes driving wheels, and the driving wheels are driven by the power output by the chassis engine.

In the cementing equipment of the present application, the plunger pump is driven by the power output from the chassis engine, and there is no need to install an additional engine on the cementing equipment, which not only reduces the weight of the cementing equipment, but also makes the output power of the cementing equipment more suitable. Under the working condition of low pressure and small displacement, it solves the problem that the relevant cementing equipment is too heavy and the power does not match under the working condition of low pressure and small displacement.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is the connection diagram between each device in the cementing equipment of the present application;

Fig. 2 is a schematic structural view of an embodiment of the cementing equipment of the present application;

Fig. 3 is a schematic view showing the cementing equipment of the present application from the side of the car body structure;

Fig. 4 is the top view of Fig. 3;

Fig. 5 is a schematic structural view of another embodiment of the cementing equipment of the present application.

Explanation of reference signs:

100- cementing equipment;

10 - plunger pump;

20-hydraulic transmission assembly; 21-first hydraulic pump; 22-second hydraulic pump; 23-first hydraulic motor; 24-second hydraulic motor;

30 - chassis engine;

40-the combiner; 41-the second transfer case;

50-axis of rotation;

60 - gearbox;

70 - the first transfer case;

80-chassis; 81-beam; 82-subbeam;

91-high pressure pipeline; 92-operating platform; 93-mixing tank; 94-metering tank; 95-hydraulic oil tank.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The technical solutions disclosed in various embodiments of the present application will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , the cementing equipment 100 provided by the embodiment of the present application includes: a plunger pump 10 , a hydraulic transmission assembly 20 , a first transfer case 70 , a gearbox 60 and a chassis engine 30 . The hydraulic transmission assembly 20 is arranged between the plunger pump 10 and the first transfer case 70, the first transfer case 70 is connected between the gearbox 60 and the hydraulic transmission assembly 20, and the gearbox 60 is connected to the first transfer case 70 Between the chassis engine 30 and the chassis engine 30, the chassis engine 30 is used to output power, and the power output by the chassis engine 30 is transmitted to the column through the gearbox 60, the first transfer case 70, and the hydraulic transmission assembly 20. Plug pump 10.

Compared with the related art, the plunger pump 10 needs to be driven by an additional platform engine. In the embodiment of the present application, the plunger pump 10 is driven by the power output from the chassis engine 30, and no additional setting on the cementing equipment 100 is required. The engine on the platform not only reduces the weight of 100, but also the output power of the cementing equipment 100 is more suitable for the working conditions of low pressure and small displacement, which solves the problem of the related cementing equipment 100 working under low pressure and small displacement. In some cases, the weight is too large and the power does not match the problem.

In addition, in practical applications, the cementing equipment 100 can still be provided with an engine on the platform, but the engine on the platform has a smaller power, so it is more suitable for industrial control with low pressure and small displacement; The weight loss of 100 is relatively limited.

2 to 5 show schematic structural diagrams of the cementing equipment 100 . Of course, as shown in FIG. 3 , the chassis engine 30 is an engine installed in the vehicle body of the cementing equipment 100 , and the power output by the chassis engine 30 can drive the running wheels of the cementing equipment 100 .

Moreover, in the related art, a transmission shaft is usually used to connect between the first transfer case 70 and the plunger pump 10. The transmission shaft as a rotating part needs to have sufficient size to meet the life requirements, and the rotating shaft usually cannot be bent and needs to be equipped with matching components. As a result, the transmission shaft occupies a large amount of space on the cementing equipment 100 and greatly increases the weight of the cementing equipment 100 . In the embodiment of the present application, a hydraulic transmission assembly 20 is provided between the first transfer case 70 and the plunger pump 10 to transmit power. The hydraulic transmission assembly 20 can be bent for flexible arrangement, so at least part of the transmission shaft is replaced by the hydraulic transmission assembly 20 , the purpose of reducing the weight and volume of the cementing equipment 100 can be achieved to a certain extent.

The hydraulic transmission assembly 20 may include a hydraulic pump and a hydraulic motor, and the hydraulic pump and the hydraulic motor may be flexibly connected. The hydraulic pump is connected between the first transfer case 70 and the hydraulic motor to drive the hydraulic motor, and the hydraulic motor is connected between the hydraulic pump and the plunger pump 10 .

Wherein, the first transfer case 70 may include one input and multiple outputs, and the power distribution of the multiple outputs may be the same or different.

Wherein, the number of groups of hydraulic transmission components 20 may be at least two groups, such as two groups, three groups, four groups, five groups or more. In the case of transmitting the same power, compared with only one set of hydraulic transmission components 20, after the hydraulic transmission components 20 are arranged in multiple groups, the volume of each group of hydraulic transmission components 20 can be reduced, so that multiple hydraulic transmission components can be arranged more flexibly. A smaller volume hydraulic transmission assembly 20 is assembled to further reduce the volume of the cementing equipment 100 . Of course, in some embodiments, the number of groups of hydraulic transmission components 20 may also be only one. In one embodiment, each set of hydraulic transmission assemblies 20 includes a hydraulic motor and a hydraulic pump; of course, in some embodiments, the number of hydraulic motors and hydraulic pumps in each set of hydraulic transmission assemblies 20 may not be limited. , it is advisable to be able to realize the transmission of power by hydraulic pressure.

The cementing equipment 100 may further include a force combiner 40 connected between each hydraulic transmission assembly 10 and the plunger pump 10 to combine and transmit the power output by each hydraulic motor to the plunger pump 10 . Wherein, the hydraulic pump may be a closed hydraulic pump. The schematic diagram of two groups of hydraulic transmission assemblies 20 is shown in Fig. 1, wherein, the first hydraulic pump 21 and the first hydraulic motor 23 are a group of hydraulic transmission assemblies 20; the second hydraulic pump 22 and the second hydraulic motor 24 are a group Set of hydraulic transmission components 20. In one embodiment, if there are at least two groups of hydraulic transmission assemblies 20, then the force combiner 10 can be connected to each hydraulic transmission assembly 20, in other words, can be connected to all hydraulic transmission assemblies 20, that is, connected to all groups of hydraulic transmission assemblies 20 of hydraulic pumps.

Wherein, the force combiner 40 may include a power input port and a power output port, the number of power input ports may be equal to or greater than the number of hydraulic transmission assemblies 20 and connected to a hydraulic motor, and the power output port may be connected to the plunger pump 10 .

A flow regulating valve may be included in the hydraulic transmission assembly 20 , and the flow regulating valve is disposed on the hydraulic pump and can regulate the transmission part of the hydraulic transmission assembly 20 . The flow regulating valve can be a throttle valve, or other valves capable of controlling the flow of the hydraulic pump.

In one embodiment, the combiner 40 can be a second transfer case 41, the output port of the second transfer case 41 is used as the power input port of the combiner 40, and the input port of the second transfer case 41 is used as a resultant force The power output port of the device 40. Then the number of power output ports of the second transfer case 41 should not be less than the number of groups of hydraulic transmission assemblies 20 .

In practical applications, the number of groups of hydraulic transmission components 20 can be more than two groups, then except that the first hydraulic pump 21 and the first hydraulic motor 23 are a group of hydraulic transmission components 20; the second hydraulic pump 22 and the second hydraulic motor 24 are In addition to a group of hydraulic transmission components 20; it may also include a third hydraulic pump, a third hydraulic motor, a fourth hydraulic pump, a fourth hydraulic motor, a fifth hydraulic pump, a fifth hydraulic motor and so on. Of course, correspondingly at this time, the number of power input ports of the combiner 40 is not less than the number of groups of hydraulic transmission assemblies 20, so that the power transmitted by each group of hydraulic transmission assemblies 20 can be successfully combined on the combiner 40 for driving. plunger pump.

The cementing equipment 100 may further include a rotating shaft 50 connected between the force combiner 40 and the plunger pump 10 . Of course, if the distance between the force combiner 40 (second transfer case 41 ) and the plunger pump 10 is close enough, the rotating shaft 50 may not be provided. In addition, the rotating shaft 50 may have a certain amount of expansion and contraction, so as to adapt to fluctuations in the distance between the plunger pump 10 and the combiner 40 . It should be noted that although the cementing equipment 100 proposed in the present application is provided with a rotating shaft 50, due to the setting of the hydraulic transmission assembly 20, the size of the rotating shaft 50 is smaller than that of the transmission shaft in the above-mentioned related art, and thus The volume and weight of the transmission shaft in the related art are also smaller.

Referring to FIG. 3 and FIG. 4 , the cementing equipment 100 of the embodiment of the present application may further include a chassis 80 on which the chassis engine 30 is disposed. Two parallel girders 81 can be arranged on the chassis 80 , and the girders 81 extend from the front of the vehicle to the rear of the vehicle, and the chassis 80 can also include a plurality of sub-beams 82 perpendicular to the girders 81 . The hydraulic transmission assembly 20 can be partly or completely arranged between the two beams 81 , so as to make full use of the space on the chassis 80 . That is, both the hydraulic pump and the hydraulic motor may be arranged between adjacent girders 81 .

In one embodiment, the gearbox 60 is connected to the output end of the chassis engine 30 . The gearbox 60 can be integrally arranged on the chassis 80 with the chassis engine 30 , or can be separately arranged on the chassis 80 .

In the embodiment of the present application, the chassis 80 may include a chassis located at the front part (refer to FIG. 5 ) and a chassis located at the body part (refer to FIG. 3 ).

The first transfer case 70 is disposed between the gearbox 60 and the hydraulic transmission assembly 20 . Apparently, the first transfer case 70 can be connected to the hydraulic pumps of each hydraulic transmission assembly 20 . Thus, the power output by the chassis engine 30 enters the plunger pump 10 after passing through the gearbox 60 , the first transfer case 70 , the hydraulic transmission assembly 20 , the second transfer case 41 , and the rotating shaft 50 in sequence.

In the embodiment of the present application, due to the arrangement of the hydraulic transmission assembly 20, the plunger pump 10 can be guaranteed to work stably. Moreover, the adjustment of the transmission ratio can be realized by means of the flow regulating valve on the hydraulic transmission assembly 20 , so as to realize the stepless adjustment of the working power of the plunger pump 10 . Therefore, the chassis engine 30 can also run at rated power without adjusting its operating power. Obviously, it is also possible not to adjust the gearbox 60 .

In addition, the cementing equipment 100 may also include other hydraulic components, these hydraulic components are connected to the output end of the first transfer case 70, and the hydraulic components are driven by the power output by the chassis engine. That is, the power output by the chassis engine can be used to transmit power to other actuators such as centrifugal pumps and stirring systems.

An embodiment of the cementing equipment 100 of the present application has been introduced above, and the following describes the cementing equipment 100 with reference to specific examples.

As shown in Figure 2, the cementing equipment 100 consists of a plunger pump 10, a rotating shaft 50, a second transfer case 41, a first hydraulic motor 23, a second hydraulic motor 24, a first hydraulic pump 21, a first transfer case The box 70, the second hydraulic pump 22, and the gearbox 60 are composed.

Drive the first hydraulic pump 21 and the second hydraulic pump 22 through the first transfer case 70 installed on the gearbox 60 on the chassis, and drive the first hydraulic pump 21 and the second hydraulic pump 22 respectively. motor 23 and the second hydraulic motor 24, and two hydraulic motors are installed on a two-port second transfer case 41, and the two output ports of the second transfer case 41 are used as power input ports, and the second transfer case 41 The input port is used as the power output port, and the power output port is connected to the transmission shaft 50, and then the plunger pump 10 is driven through the transmission shaft 50. This example achieves the purpose of jointly driving one plunger pump 10 by two hydraulic motors. Two hydraulic pumps drive two hydraulic motors to effectively use the space, and at the same time, more hydraulic pumps can be used to drive more motors and the multi-port second transfer case 41 can be used to drive the plunger pump 10 .

Fig. 3 and Fig. 4 show the structural diagram of the cementing equipment 100 including the car body, showing the relative positions of the above-mentioned plunger pump 10, hydraulic transmission assembly 20, chassis engine 30 and other components on the car body.

In addition, as shown in FIG. 5 , the cementing equipment 100 may also include a high-pressure pipeline 91 , an operating platform 92 , a mud mixing tank 93 , a metering tank 94 , a hydraulic oil tank 95 and other accessories.

The above-mentioned embodiments of this application focus on the differences between the various embodiments. As long as the different optional features of the various embodiments are not contradictory, they can be combined to form possible embodiments. Considering the brevity of the text, here No longer.

The above descriptions are only examples of the present application, and are not intended to limit the present application. For those skilled in the art, various modifications and changes may occur in this application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims

A cementing equipment, the cementing equipment includes: a plunger pump, a hydraulic transmission assembly, a first transfer case, a gearbox and a chassis engine, and the hydraulic transmission assembly is connected to the plunger pump and the first Between transfer cases, the first transfer case is connected between the gearbox and the hydraulic transmission assembly, the gearbox is connected between the first transfer case and the engine, the The chassis engine is used to output power, and the power output by the chassis engine is transmitted to the plunger pump through the gearbox, the first transfer case, and the hydraulic transmission assembly.
The cementing equipment according to claim 1, wherein the hydraulic transmission assembly includes a hydraulic pump and a hydraulic motor, the hydraulic pump is connected between the first transfer case and the hydraulic motor, and the hydraulic motor Connected between the hydraulic pump and the plunger pump.
The cementing equipment according to claim 2, wherein there are at least two groups of hydraulic transmission assemblies, and each group of hydraulic transmission assemblies includes the hydraulic motor and the hydraulic pump;

The cementing equipment also includes a force combiner connected between each of the hydraulic transmission components and the plunger pump, and used to combine and transmit the power output by each of the hydraulic motors to the plunger On the pump; the force combiner includes a power input port and a power output port, the number of the power input ports is equal to or greater than the number of groups of the hydraulic transmission components and connected to the hydraulic motor, and the power output port is connected to the column plug pump.
The cementing equipment according to claim 3, wherein the hydraulic transmission assembly includes a flow regulating valve, and the flow regulating valve is arranged on the hydraulic pump for adjusting the transmission ratio of the hydraulic transmission assembly.
The cementing equipment according to claim 3, wherein the force combiner includes a second transfer case, the output port of the second transfer case serves as the power input port, and the input port of the second transfer case The port is used as the power output port.
The cementing equipment according to claim 3, further comprising a rotating shaft connected between the force combiner and the plunger pump.
The cementing equipment according to claim 3, wherein the hydraulic pump is a closed hydraulic pump.
The cementing equipment according to claim 1, wherein the cementing equipment comprises a chassis, the chassis engine is arranged on the chassis; the hydraulic transmission assembly is arranged between two girders on the chassis.
The cementing apparatus of claim 1, wherein the chassis motor operates at rated power.
The well cementing equipment according to claim 1, wherein the well cementing equipment further comprises traveling wheels, and the traveling wheels are driven by the power output by the chassis engine.