Novel motor direct-drive drilling pump set

Abstract

The utility model relates to the technical field of petroleum mechanical equipment, and particularly discloses a novel motor direct-drive drilling pump set which comprises a skid seat, a drilling pump and a direct-drive motor are mounted on the skid seat, a motor end cover and motor feet are arranged on the direct-drive motor, a bearing seat is arranged on the drilling pump, and an input shaft assembly is mounted in the bearing seat. The bearing seat is fixedly connected with a flange, the flange is detachably connected with a positioning flange, the positioning flange is fixedly connected with the motor end cover, a gap is formed between the outer circular surface of the positioning flange and the inner circular surface of the motor end cover, the prying seat is fixedly connected with a motor support, and an adjusting gasket is arranged between the motor bottom foot and the motor support. According to the technical scheme, connection between the drilling pump and the direct drive motor is optimized, welding deformation and welding stress of the drilling pump are avoided, and the overall installation precision of the drilling pump is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum machinery equipment technical field especially relates to a novel motor direct drive drilling pump set. BACKGROUND

[0002] In the drilling industry, drilling pump is praised as the "heart" of the rig, drilling pump is a kind of tool for conveying drilling fluid from the ground to the well bottom through drilling pipe, and spraying to the well bottom through drill pipe, drill bit, drilling pump provides necessary energy for drilling fluid, so that drilling fluid circulation is realized. In order to improve energy utilization rate and working efficiency, the motor direct drive drilling pump set has been widely applied in the market, and the reaction effect is good.

[0003] The motor direct drive drilling pump set is a kind of efficient and reliable drilling equipment, which directly connects the motor to the input shaft of the drilling pump, so as to drive the drilling pump to work. The installation mode of the existing direct drive drilling pump set usually uses the threaded hole of the fixed bearing sleeve on the drilling pump to fix the positioning flange of the direct drive motor, the fixed plate of the motor support is welded to the drilling pump rack, and the motor support bears the main weight of the motor. But because the fixed bolt on the bearing sleeve needs to be disassembled during installation, it will cause the input bearing of the drilling pump to be loose, thereby affecting the initial assembly accuracy of the input bearing of the drilling pump, and the welding stress and welding deformation during welding of the motor fixed plate may also affect the installation accuracy of the drilling pump, and the input shaft of the drilling pump may bear unnecessary motor weight, thereby affecting the service life of the bearing and bearing seal.

[0004] Therefore, it is necessary to provide a novel motor direct drive drilling pump set to overcome the defects that the existing motor direct drive drilling pump set affects the installation accuracy of the drilling pump due to the loosening of the input bearing and the stress generated by welding the motor support. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the disassembly of parts on the bearing sleeve causes the loosening of the input bearing and the deformation or stress generated by welding the motor support during the installation of the existing motor direct drive drilling pump set, thereby affecting the installation accuracy of the drilling pump, and provides a novel motor direct drive drilling pump set.

[0006] The technical scheme of the utility model is:

[0007] A novel motor direct drive drilling pump set, comprising a pry seat, a drilling pump and a direct drive motor are installed on the pry seat, a motor end cover and a motor foot are arranged on the direct drive motor, a bearing seat is arranged on the drilling pump, an input shaft assembly is installed in the bearing seat, a flange is fixedly connected on the bearing seat, the flange is detachably connected with a positioning flange, the positioning flange is fixedly connected with the motor end cover, a gap is arranged between the outer circular surface of the positioning flange and the inner circular surface of the motor end cover, a motor support is fixedly connected on the pry seat, and an adjusting gasket is arranged between the motor foot and the motor support.

[0008] Further, the flange is provided with a stopper.

[0009] Further, the axis of the positioning flange is coincident with the axis of the motor end cover.

[0010] Further, the input shaft assembly comprises a bearing sleeve, an input shaft and an input bearing, the bearing sleeve is fixedly connected with the bearing seat, the input bearing is fixedly connected in the bearing sleeve, and the input shaft is fixedly connected in the input bearing.

[0011] Further, the input shaft is fixedly connected with a rotating part, the direct drive motor is provided with a rotating shaft inner hole, and the rotating part is rotatably connected in the rotating shaft inner hole.

[0012] Further, the rotating part comprises a rotor, a shaft sleeve and a coupling, the shaft sleeve is sleeved on the input shaft and fixedly connected with the input shaft, the rotor is fixedly connected with a transmission flange, one end of the coupling is fixedly connected with the shaft sleeve, and the other end of the coupling is fixedly connected with the transmission flange.

[0013] Further, the transmission flange is fixedly connected with a turning shaft.

[0014] Further, one side of the rotating part is fixedly connected with a protective cover.

[0015] Further, the pry seat is further provided with a pouring system, an operation table, a pressure relief pipeline and a cable support.

[0016] The novel motor direct drive drilling pump set of the utility model, through fixedly connecting flange on drilling pump bearing seat, flange is detachably connected with positioning flange, make positioning flange when installing need not disassemble fixed bolt and other components on drilling pump bearing sleeve, will not damage the initial installation precision of drilling pump, positioning flange is fixedly connected with motor end cover, and is provided with gap between the outer circular surface of positioning flange and the inner circular surface of motor end cover, make positioning flange can position the position of direct drive motor, and the motor support is fixedly connected on pry seat, and is provided with adjusting washer between motor foot and motor support, can make positioning flange not bear the weight of direct drive motor, thereby will not cause additional load to drilling pump, make it produce welding deformation and welding stress. Compared with the prior art, the utility model discloses the connection between the drilling pump and the direct drive motor is optimized, the welding deformation and the welding stress of the drilling pump are avoided, and the overall installation precision of the drilling pump is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the left view sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is the utility model Figure 2An enlarged view of a portion A;

[0020] Figure 4 The utility model discloses Figure 2 An enlarged view of a portion B.

[0021] Reference Signs: 1, drilling pump;2, direct drive motor;3, perfusion system;4, pry seat;5, operation table;6, pressure relief pipeline;7, motor support;8, cable support;11, bearing seat;12, bearing sleeve;13, input shaft;14, input bearing;18, flange;19, stop opening;21, positioning flange;22, shaft sleeve;23, turning shaft;24, shield;25, transmission flange;26, coupling;27, motor end cover;28, inner hole of rotating shaft;29, motor foot;30, adjusting gasket. DETAILED DESCRIPTION

[0022] In order to make the technical means, technical features, utility model purposes and technical effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0023] Example one:

[0024] As Figure 1 and Figure 3 Indicated, the embodiment provides a kind of novel motor direct drive drilling pump group, including pry seat 4, pry seat 4 is installed with drilling pump 1, direct drive motor 2, perfusion system 3, operation table 5, pressure relief pipeline 6 and cable support 8.Direct drive motor 2 is equipped with motor end cover 27 and motor foot 29, drilling pump 1 is welded with bearing seat 11, bearing seat 11 is installed with input shaft assembly, and input shaft assembly includes bearing sleeve 12, input shaft 13 and input bearing 14, bearing sleeve 12 is fixedly connected with bearing seat 11, input bearing 14 is fixedly connected in bearing sleeve 12, and input shaft 13 is fixedly connected in input bearing 14.

[0025] As Figure 2 and Figure 4As shown, the bearing seat 11 is welded with a flange 18, the flange 18 is detachably connected with a positioning flange 21 through screws, the flange 18 is provided with a stopper 19, the stopper 19 can better fix the flange 18 to the positioning flange 21, and ensure the installation accuracy of the positioning flange 21; the positioning flange 21 is fixedly connected with the motor end cover 27 through bolts, and a gap is arranged between the outer circular surface of the positioning flange 21 and the inner circular surface of the motor end cover 27; since the positioning flange 21 is only used to position the position of the direct drive motor 2, and does not bear the weight of the direct drive motor 2, when the axis of the positioning flange 21 coincides with the axis of the motor end cover 27, the gap between the outer circular surface of the positioning flange 21 and the inner circular surface of the motor end cover 27 is uniform; the motor support 7 is fixedly connected with the pry seat 4 through bolts, and the adjusting washer 30 is arranged between the motor foot 29 and the motor support 7; the adjusting washer 30 provides support for the direct drive motor 2, so that the motor support 7 bears the weight of the direct drive motor 2, avoids welding deformation and welding stress between the direct drive motor 2 and the drilling pump 1, and affects the installation accuracy of the drilling pump 1.

[0026] As shown in Figure 2 The input shaft 13 is fixedly connected with a rotating part, the direct drive motor 2 is provided with a rotating shaft inner hole 28, the rotating part is rotatably connected in the rotating shaft inner hole 28, and the right side of the rotating part is fixedly connected with a shield 24. The rotating part comprises a rotor, a shaft sleeve 22 and a shaft coupling 26, the shaft sleeve 22 is sleeved on the input shaft 13 and fixedly connected with the input shaft 13 through screws, the rotor is fixedly connected with a transmission flange 25, the left end of the shaft coupling 26 is fixedly connected with the shaft sleeve 22 through screws, and the right end of the shaft coupling 26 is fixedly connected with the transmission flange 25 through screws. The transmission flange 25 is fixedly connected with a turning shaft 23, and the turning shaft 23 can manually turn the direct drive motor 2.

[0027] During installation, the positioning flange 21 is fixed on the flange 18 by assembling and screwing, so that the positioning flange 21 does not need to disassemble the fixing bolt and other components on the bearing sleeve 12 of the drilling pump 1 during installation, so as not to damage the initial installation precision of the drilling pump 1. Since the flange 18 is provided with the stopper 19, the stopper 19 can better fix the positioning flange 21, ensure the coaxiality of the inner hole 28 of the rotating shaft and the input shaft 13, and the installation precision of the positioning flange 21. The shaft sleeve 22 is installed on the input shaft 13, and the shaft coupling 26 is fixed on the shaft sleeve 22, then the direct drive motor 2 is hoisted to make the shaft coupling 26 pass through the inner hole 28 of the motor rotating shaft, so that the direct drive motor 2 moves to the assembly position of the motor end cover 27 and the positioning flange 21. At this time, the motor end cover 27 is aligned with the positioning flange 21, the motor support 7 is adjusted, the gap between the outer circular surface of the positioning flange 21 and the inner circular surface of the motor end cover 27 is measured, then the adjusting gasket 30 is inserted between the motor bottom foot 29 and the motor support 7, and the gap is kept uniform through the adjusting gasket 30, so as to ensure that the positioning flange 21 is only used to position the position of the direct drive motor 2, and does not bear the weight of the direct drive motor 2, so that the drilling pump 1 does not bear additional load, and the installation precision of the drilling pump 1 is not affected by welding deformation and welding stress.

[0028] In conclusion, the above is only the preferred embodiment of the present application, and is not used to limit the implementation range of the present application. Any equivalent changes and modifications made according to the content of the patent application scope of the present application shall belong to the technical scope of the present application.

Claims

1. A new type of motor direct drive drilling pump set, comprising a pry seat (4), a drilling pump (1) and a direct drive motor (2) are installed on the pry seat (4), the direct drive motor (2) is provided with a motor end cover (27) and a motor foot (29), the drilling pump (1) is provided with a bearing seat (11), an input shaft assembly is installed in the bearing seat (11), characterized in that: The flange (18) is fixedly connected to the bearing seat (11), and the positioning flange (21) is detachably connected to the flange (18); the positioning flange (21) is fixedly connected to the motor end cover (27), and a gap is arranged between the outer circular surface of the positioning flange (21) and the inner circular surface of the motor end cover (27); the motor support (7) is fixedly connected to the pry seat (4), and the adjusting washer (30) is arranged between the motor foot (29) and the motor support (7).

2. The new electric motor direct drive drilling pump package of claim 1, wherein: The flange (18) is provided with a stop opening (19).

3. The new motor direct drive drilling pump package of claim 1, wherein: The axis of the positioning flange (21) coincides with the axis of the motor end cover (27).

4. The new electric motor direct drive drilling pump package of claim 1, wherein: The input shaft assembly comprises a bearing sleeve (12), an input shaft (13) and an input bearing (14); the bearing sleeve (12) is fixedly connected to the bearing seat (11), and the input bearing (14) is fixedly connected in the bearing sleeve (12); and the input shaft (13) is fixedly connected in the input bearing (14).

5. The new motor direct drive drilling pump package of claim 1, wherein: The rotating part is fixedly connected to the input shaft (13), and the direct drive motor (2) is provided with a rotating shaft inner hole (28); and the rotating part is rotatably connected in the rotating shaft inner hole (28).

6. The new electric motor direct drive drilling pump package of claim 5, wherein: The rotating part comprises a rotor, a shaft sleeve (22) and a shaft coupling (26); the shaft sleeve (22) is sleeved on the input shaft (13) and fixedly connected with the input shaft (13); the rotor is fixedly connected with a transmission flange (25); one end of the shaft coupling (26) is fixedly connected with the shaft sleeve (22), and the other end of the shaft coupling (26) is fixedly connected with the transmission flange (25).

7. The new electric motor direct drive drilling pump package of claim 6, wherein: The turning shaft (23) is fixedly connected to the transmission flange (25).

8. The new electric motor direct drive drilling pump package of claim 5, wherein: The rotating part is fixedly connected with a protective cover (24) on one side.

9. The new motor direct drive drilling pump package of claim 1, wherein: The pry seat (4) is further provided with a pouring system (3), an operation table (5), a pressure relief pipeline (6) and a cable support (8).

Images