CN213684928U

CN213684928U - Fracturing pump crankshaft

Info

Publication number: CN213684928U
Application number: CN202021754128.4U
Authority: CN
Inventors: 王佳星
Original assignee: Shaanxi Huawei Polytron Technologies Inc
Current assignee: Shaanxi Huawei Polytron Technologies Inc
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-07-13
Anticipated expiration: 2030-08-20

Abstract

The utility model provides a fracturing pump bent axle. The fracturing pump crankshaft includes a front end; the crank assemblies are fixedly arranged on one side of the front end and comprise two crank arms and a crank pin, and two ends of the crank pin are fixedly connected with the corresponding crank arms; the main journal is fixedly arranged between two adjacent crank assemblies; the output end is arranged on one side, far away from the front end, of the crank assembly farthest from the front end; a weight comprising a first half and a second half, the weight being mounted on one of the crank arms of the crank assembly. The utility model provides a fracturing pump bent axle has the advantage that the balancing piece installation is stable, safe and reliable.

Description

Fracturing pump crankshaft

Technical Field

The utility model relates to a machine part equipment technical field especially relates to a fracturing pump bent axle.

Background

The fracturing technology is an important measure for improving the oil and gas yield and the recoverable reserves, and a fracturing pump is a main actuating mechanism for fracturing activities. The fracturing pump crankshaft is the important spare part in the fracturing pump, and the balancing piece on current bent axle all is with screw direct mount on the crank arm, because there is mechanical shock in the course of the work, the screw can produce not hard up phenomenon, in addition because alternate expend with heat and contract with cold effect, the screw also can produce and drop to lead to the balancing piece to fall, the direct consequence of this kind of phenomenon is the machine of exploding, brings serious potential safety hazard and direct economic loss for the enterprise.

Therefore, it is necessary to provide a new fracturing pump crankshaft to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a fracturing pump bent axle that balancing piece installation is stable, safe and reliable.

In order to solve the technical problem, the utility model provides a fracturing pump bent axle includes: a front end;

the crank assemblies are fixedly arranged on one side of the front end and comprise two crank arms and a crank pin, and two ends of the crank pin are fixedly connected with the corresponding crank arms;

the main journal is fixedly arranged between two adjacent crank assemblies;

the output end is arranged on one side, far away from the front end, of the crank assembly farthest from the front end;

a weight comprising a first half and a second half, the weight being mounted on one of the crank arms of the crank assembly.

Preferably, the bottom side fixed mounting of crank arm has the connecting block, the connecting block is the setting of arc inverted T word.

Preferably, a mounting groove is formed in the top side of the first half, the mounting groove is matched with the connecting block, a plurality of positioning holes are formed in the connecting block, positioning pins with corresponding numbers are fixedly mounted in the mounting groove, and the positioning pins are matched with the corresponding positioning holes.

Preferably, the first half block is provided with a plurality of first mounting holes, the second half block is provided with a corresponding number of second mounting holes corresponding to the first mounting holes, and the first half block and the second half block are connected through the first mounting holes and the second mounting holes by bolts.

Preferably, a sealing groove is formed in the first half block, a sealing strip is arranged on the second half block, and the sealing strip is connected with the sealing groove in a sealing mode.

Preferably, set up flutedly on the front end, based on a plurality of thread grooves have been seted up to the recess annular on the front end, install the connecting axle in the recess, the one end of connecting axle extends to outside the recess, the fixed connecting plate that has cup jointed on the connecting axle, the threaded connection has the bolt on the connecting plate, the bolt with correspond thread groove threaded connection, fixed mounting has the draw-in groove on the one side inner wall of recess, the RFID electronic tags has been clamped on the draw-in groove.

Preferably, the recess is the quad slit, the connecting axle includes square post and cylinder, square post with cylinder fixed connection, square post with recess looks adaptation.

Compared with the prior art, the utility model provides a fracturing pump bent axle has following beneficial effect:

the utility model provides a fracturing pump bent axle, through first half, half and the connecting block of second install the balancing piece on the crank arm, the unique arc of connecting block is fallen T word structure and a plurality of locating pin and is blocked first half, make it can not drop easily, connect first half and second half through a plurality of bolts, the stability of balancing piece has been guaranteed, be convenient for install, through the cooperation of seal groove and sealing strip, make the oil in oilhole and the oil duct can not get into the balanced effect that reduces the balancing piece in first half and the second half.

Drawings

Fig. 1 is a schematic structural diagram of a fracturing pump crankshaft according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the crank arm shown in FIG. 1;

FIG. 3 is a schematic structural view of the crank assembly shown in FIG. 1;

FIG. 4 is a schematic view of the crank arm and crank assembly combination shown in FIG. 1;

fig. 5 is a schematic structural diagram of a second embodiment of a fracturing pump crankshaft provided by the present invention;

reference numbers in the figures: 1. front end, 2, crank arm, 3, crank pin, 4, main journal, 5, output, 6, balancing piece, 7, first half, 8, second half, 9, mounting groove, 10, connecting block, 11, locating pin, 12, locating hole, 13, first mounting hole, 14, seal groove, 15, sealing strip, 16, second mounting hole, 17, recess, 18, connecting axle, 19, connecting plate, 20, thread groove, 21, bolt, 22, draw-in groove, 23, RFID electronic tags.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The first embodiment:

referring to fig. 1-4, in a first embodiment of the present invention, a fracturing pump crankshaft comprises: a front end 1;

the crank assemblies are fixedly arranged on one side of the front end 1 and comprise two crank arms 2 and a crank pin 3, and two ends of the crank pin 3 are fixedly connected with the corresponding crank arms 2;

the main journal 4 is fixedly arranged between two adjacent crank assemblies 2;

the output end 5 is installed on one side, far away from the front end 1, of a crank assembly farthest from the front end 1;

a weight 6, said weight 6 comprising a first half 7 and a second half 8, said weight 6 being mounted on one of said crank arms 2 of the crank assembly.

The bottom side fixed mounting of crank arm 2 has connecting block 10, connecting block 10 is the setting of arc inverted T word.

The top side of the first half block 7 is provided with an installation groove 9, the installation groove 9 is matched with the connecting block 10, the connecting block 10 is provided with a plurality of positioning holes 12, the installation groove 9 is internally and fixedly provided with a corresponding number of positioning pins 11, and the positioning pins 11 are matched with the corresponding positioning holes 12.

The first half block 7 is provided with a plurality of first mounting holes 13, the second half block 8 is provided with a plurality of second mounting holes 16 corresponding to the first mounting holes 13, and the first half block 7 and the second half block 8 are connected through the first mounting holes 13 and the second mounting holes 16 by bolts.

A sealing groove 14 is formed in the first half block 7, a sealing strip 15 is arranged on the second half block 8, and the sealing strip 15 is in sealing connection with the sealing groove 14.

the utility model provides a fracturing pump bent axle, through first half 7, half 8 and connecting block 10 of second install balancing piece 6 on the crank arm 2, the unique arc of connecting block 10 is fallen T word structure and a plurality of locating pin 11 and is blocked first half 7, make it can not drop easily, connect first half 7 and half 8 of second through a plurality of bolts, the stability of balancing piece 6 has been guaranteed, be convenient for install, cooperation through seal groove 14 and sealing strip 15, make the interior oil of oilhole and oil duct can not get into first half 7 and half 8 interior balanced effect that reduces balancing piece 6 of second.

Second embodiment:

based on the fracturing pump crankshaft provided by the first embodiment of the application, the second embodiment of the application provides another fracturing pump crankshaft. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 5, the present embodiment is different from the first embodiment in that a groove 17 is formed in the front end 1, a plurality of thread grooves 20 are annularly formed in the front end 1 based on the groove 17, a connecting shaft 18 is installed in the groove 17, one end of the connecting shaft 18 extends out of the groove 17, a connecting plate 19 is fixedly sleeved on the connecting shaft 18, a bolt 21 is installed on the connecting plate 19 in a threaded manner, the bolt 21 is in threaded connection with the corresponding thread groove 20, a clamping groove 22 is fixedly installed on an inner wall of one side of the groove 17, and an RFID electronic tag 23 is clamped on the clamping groove 22.

The recess 17 is the quad slit, connecting axle 18 includes square post and cylinder, square post with cylinder fixed connection, square post with recess 17 looks adaptation.

When examining and repairing fracturing pump spare part, especially after the bent axle damages, when needing to be changed, the relevant identity information of difficult quick distinguishment bent axle and in time carry out the change that corresponds, through setting up RFID electronic tags 23, examine and repair the bent axle, change the in-process, read the radio frequency signal that has bent axle identity information that RFID electronic tags transmitted through the RFID reader, and decode and acquire the identity information of this bent axle, can know all relevant identity information of this bent axle, the user of being convenient for assembles, overhauls, operations such as change.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A fracturing pump crankshaft, comprising:

a front end;

the main journal is fixedly arranged between two adjacent crank assemblies;

a weight comprising a first half and a second half, the weight mounted on one of the crank arms of a crank assembly; the bottom side of the crank arm is fixedly provided with a connecting block which is arranged in an arc inverted T shape; the top side of the first half block is provided with a mounting groove, the mounting groove is matched with the connecting block, a plurality of positioning holes are formed in the connecting block, a corresponding number of positioning pins are fixedly mounted in the mounting groove, and the positioning pins are matched with the corresponding positioning holes; the first half block is provided with a plurality of first mounting holes, the second half block is provided with a second mounting hole corresponding to the first mounting holes in quantity, and the first half block and the second half block are connected through the first mounting holes and the second mounting holes through bolts.

2. The fracturing pump crankshaft of claim 1, wherein the first half block is provided with a sealing groove, the second half block is provided with a sealing strip, and the sealing strip is connected with the sealing groove in a sealing manner.

3. The fracturing pump crankshaft as claimed in claim 1, wherein the front end is provided with a groove, the front end is provided with a plurality of thread grooves based on the groove ring shape, a connecting shaft is installed in the groove, one end of the connecting shaft extends out of the groove, a connecting plate is fixedly sleeved on the connecting shaft, a bolt is installed on the connecting plate in a threaded manner, the bolt is connected with the corresponding thread groove in a threaded manner, a clamping groove is fixedly installed on one side inner wall of the groove, and an RFID electronic tag is clamped on the clamping groove.

4. The fracturing pump crankshaft of claim 3, wherein the groove is a square hole, the connecting shaft comprises a square column and a cylinder, the square column is fixedly connected with the cylinder, and the square column is matched with the groove.