CN204738958U - Fracturing pump and fracturing unit truck - Google Patents

Fracturing pump and fracturing unit truck Download PDF

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Publication number
CN204738958U
CN204738958U CN201520439850.1U CN201520439850U CN204738958U CN 204738958 U CN204738958 U CN 204738958U CN 201520439850 U CN201520439850 U CN 201520439850U CN 204738958 U CN204738958 U CN 204738958U
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CN
China
Prior art keywords
rod
halfliner
head
oilhole
crosshead
Prior art date
Application number
CN201520439850.1U
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Chinese (zh)
Inventor
刘小鹏
曹辛酉
李�杰
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三一重型能源装备有限公司
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Application filed by 三一重型能源装备有限公司 filed Critical 三一重型能源装备有限公司
Priority to CN201520439850.1U priority Critical patent/CN204738958U/en
Application granted granted Critical
Publication of CN204738958U publication Critical patent/CN204738958U/en

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Abstract

The utility model discloses a fracturing pump, including cross head, first connecting rod, second connecting rod, first connecting rod is connected with the cross head through the round pin axle, and the second connecting rod is fixed in the cross head, and second connecting rod head and first connecting rod head are mutually supported through the halfliner. The utility model also provides a fracturing unit truck. The utility model discloses halfliner easy dismounting, the structure is ingenious.

Description

A kind of fracturing pump and fracturing unit truck

Technical field

The utility model relates to oil-gas mining equipment field, particularly a kind of fracturing pump and fracturing unit truck.

Background technique

In oil-gas mining, if the hole between Oil/gas Well and oil-gas layer is undeveloped or blocked, oil gas well yield can be had a strong impact on.Fracturing technique is the important measures improving oil and gas production and recoverable reserve.So-called pressure break (also known as oil formation hydraulic fracturing), hydraulic action is utilized to make oil reservoir form a kind of method in crack exactly, its basic craft course is: with fracturing unit truck, high pressure, huge discharge and the fracturing fluid with certain viscosity are clamp-oned oil reservoir, after oil reservoir is pressed off many cracks, place proppant (silica sand etc.) filling crack again, to improve the penetrating power of oil reservoir, increase water injection rate or oil output.

Implementing the overall of the equipment of fracturing technology makes pressure break equip, and the pressure break of use is at present equipped primarily of main process equipment fracturing unit truck and auxiliary overture for compositions such as fracturing blender truck, measuring truck, dumper, manifold trucks.The function of each several part is respectively: (1) main process equipment fracturing unit truck injects the fracturing fluid of high pressure, huge discharge in well, is pressed off on stratum, and proppant is clamp-oned crack.(2) fracturing blender truck is in accurate ratio and certain program mulling, and mulling liquid supply fracturing unit truck.(3) effect of measuring truck is at pressing crack construction long-distance remote control fracturing unit truck and fracturing blender truck, gathers and display construction parameter.(4) material such as various proppants, fracturing fluid, additive required for fracturing work is transported to job site by dumper.(5) effect of manifold truck is transport manifold.

Fracturing unit truck is the main process equipment of pressure break equipment, and it is primarily of vehicle chassis, diesel engine, transmission case, the large part composition of fracturing pump four.Fracturing pump obtains kinetic energy from diesel engine, the fracturing fluid of certain viscosity under normal pressure is converted into the liquid discharge of high pressure, huge discharge, is used as the medium of extruding oil reservoir and supporting crack.

At present, first connecting rod one end in fracturing pump is connected with bent axle, the first connecting rod the other end is connected with crosshead by bearing pin, in crosshead inner chamber, halfliner is installed, halfliner coordinates with first connecting rod, and halfliner is for reducing the wearing and tearing of first connecting rod and crosshead when first connecting rod rotates relative to crosshead.Halfliner is arranged on crosshead inside and installs corresponding position with first connecting rod, and is fixed.Mainly rub and extrude during halfliner work, belonging to easily worn part.Be arranged on the halfliner of crosshead inside, need to change after the wearing and tearing of work a period of time.If existing structure will change halfliner, the connection first must removing first connecting rod and bent axle takes out crosshead from pump head body, then removes the connection of first connecting rod and crosshead, then pulls down after halfliner is changed and installs successively.Not only dismounting part is many, and once fracturing pump to assemble dismounting space little, part bolt also has screw-down torque requirement, and work heavy, dead time is long, has a strong impact on working efficiency.

Model utility content

In view of this, the utility model proposes a kind of fracturing pump and fracturing unit truck, change the large problem of halfliner disassemble and assemble work amount to solve.

On the one hand, the utility model provides a kind of fracturing pump, and comprise crosshead, first connecting rod, second connecting rod, first connecting rod is connected with crosshead by bearing pin, second connecting rod is fixed in crosshead, and second connecting rod head and first connecting rod head are cooperatively interacted by halfliner.

Further, crosshead offers crosshead pin axis hole, first connecting rod head offers link pin axis hole, bearing pin inserts in crosshead pin axis hole and link pin axis hole.

Further, second connecting rod head offers halfliner hole, halfliner is arranged in halfliner hole, and halfliner outer surface coordinates with halfliner hole, and halfliner internal surface coordinates with first connecting rod head exterior surface.

Further, first step and second step is provided with in crosshead inner chamber, second connecting rod head end and first step against, halfliner is between first step and halfliner hole, second connecting rod head exterior surface coordinates with crosshead inner chamber, and second connecting rod head is arranged on second step by bolt.

Further, second connecting rod head offers two symmetry planes and arc surface, halfliner hole is opened on two symmetry planes, two arc surfaces are connected with two symmetry planes, two symmetry planes respectively with second step side-fit, two arc surfaces respectively arc surface corresponding to crosshead inner chamber coordinate.

Further, crosshead outer surface offers the first oil groove and the first oilhole, and the first oilhole communicates with the first oil groove, and second connecting rod head offers the second oilhole, and the second oilhole communicates with halfliner hole, and the second oilhole communicates with the first oilhole.

Further, halfliner offers the 3rd oilhole, the 3rd oilhole runs through halfliner internal surface and halfliner outer surface, and halfliner internal surface offers the second oil groove, and the 3rd oilhole communicates with the second oil groove.

Further, first connecting rod head exterior surface offers the 4th oilhole, the 4th oilhole communicates with link pin axis hole; The bar portion of first connecting rod offers the 5th oilhole, and the 5th oilhole one end communicates with link pin axis hole, and the 5th oilhole the other end communicates with first connecting rod the other end head.

Further, comprise pump head body, plunger, bent axle, first connecting rod is connected with bent axle, and second connecting rod is connected with plunger, and plunger and pump head body are slidably matched, and crosshead and pump head body are slidably matched.

On the other hand, basis is practical additionally provides a kind of fracturing unit truck, comprises above-mentioned fracturing pump.

The fracturing pump that the utility model provides and fracturing unit truck, adopt second connecting rod head and first connecting rod head to be cooperatively interacted by halfliner.When halfliner changed by needs, only need second connecting rod to pull down, just halfliner can be taken out, because this reducing dismounting component working amount, reducing labor intensity, increasing work efficiency.Because first connecting rod is connected with bent axle, first connecting rod is under the drive of bent axle, and first connecting rod active force upwards acts directly on second connecting rod, reduces crosshead stressed, crosshead and pump head body is slided up and down more steady.

Accompanying drawing explanation

The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the crosshead schematic perspective view of the utility model fracturing pump;

Fig. 2 is the crosshead schematic perspective view of the utility model fracturing pump;

Fig. 3 is that the first connecting rod of Fig. 1 and second connecting rod and crosshead assemble schematic diagram.

Embodiment

It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.

Below in conjunction with Fig. 1 to Fig. 3, preferred embodiment of the present utility model is described in further detail,

The fracturing pump of this preferred embodiment: comprise pump head body, plunger, bent axle, first connecting rod 2 is connected with bent axle, and second connecting rod 4 is connected with plunger, and plunger and pump head body are slidably matched, and crosshead 3 and pump head body are slidably matched.First connecting rod 2 is connected with crosshead 3 respectively with second connecting rod 4.

As depicted in figs. 1 and 2, the fracturing pump of this preferred embodiment: also comprise bearing pin 1 and halfliner 5.First connecting rod 2 is connected with crosshead 3 by bearing pin 1, and second connecting rod 4 is bolted in crosshead 3.Mainly rub when halfliner 5 works and extrude, belonging to easily worn part, needing often to change, conveniently disassembling, assembling and replacing halfliner 5, second connecting rod 4 head and first connecting rod 2 head are cooperatively interacted by halfliner 5.As shown in Figure 3, when halfliner 5 changed by needs, only need second connecting rod 4 to pull down, just halfliner 5 can be taken out, because this reducing dismounting component working amount, reducing labor intensity, increasing work efficiency.Because first connecting rod 2 is connected with bent axle, first connecting rod 2 is under the drive of bent axle, and first connecting rod 2 active force upwards acts directly on second connecting rod 4, reduces crosshead 3 stressed, makes crosshead 3 and pump head body slide up and down more steady.

As depicted in figs. 1 and 2, crosshead 3 offers crosshead pin axis hole 34, first connecting rod 2 head offers link pin axis hole 20, bearing pin 1 inserts in crosshead pin axis hole 34 and link pin axis hole 20.First connecting rod 2 can rotate relative to crosshead 3, and the convert rotational motion of bent axle is linear reciprocating motion by first connecting rod 2 and crosshead 3.

Second connecting rod 4 head offers halfliner hole 40, and halfliner 5 is arranged in halfliner hole 40, and halfliner 5 outer surface coordinates with halfliner hole 40, and halfliner 5 internal surface coordinates (as shown in Figure 3) with first connecting rod 2 head exterior surface.As depicted in figs. 1 and 2, first step 33 and second step 32 is provided with in crosshead 3 inner chamber, second connecting rod 4 head end and first step 33 against, halfliner 5 is (as shown in Figure 3) between first step 33 and halfliner hole 40, second connecting rod 4 head exterior surface coordinates with crosshead 3 inner chamber, and second connecting rod 4 head is arranged on second step 32 by bolt.Second connecting rod 4 head offers two symmetry planes and arc surface, halfliner hole 40 is opened on two symmetry planes, two arc surfaces are connected with two symmetry planes, two symmetry planes respectively with second step 32 side-fit, two arc surfaces coordinate to the corresponding arc surface of crosshead 3 inner chamber respectively.Said structure makes second connecting rod 4 be connected more reliable and stable with crosshead 3, and halfliner 5 is not easy, and structure is ingenious.

In order to solve bearing shell lubrication, and the lubrication between crosshead 3 and pump head body.In further technological scheme, crosshead 3 outer surface offers the first oil groove 31 and the first oilhole 30.First oilhole 30 communicates with the first oil groove 31.First oil groove 31 is made up of horizontal oil groove and longitudinal oil groove.Second connecting rod 4 head offers the second oilhole 41, second oilhole 41 communicate with halfliner hole 40, the second oilhole 41 communicates with the first oilhole 30.

Halfliner 5 offers the 3rd oilhole the 50, three oilhole 50 and runs through halfliner 5 internal surface and halfliner 5 outer surface, halfliner 5 internal surface offers the second oil groove the 51, three oilhole 50 and communicates with the second oil groove 51.Second oil groove 51 is made up of horizontal oil groove and longitudinal oil groove.First connecting rod 2 head exterior surface offers the 4th oilhole the 21, four oilhole 21 to communicate with link pin axis hole 20.The bar portion of first connecting rod 2 offers the 5th oilhole the 22, five oilhole 22 one end communicate with link pin axis hole 20, the 5th oilhole 22 the other end communicates with first connecting rod 2 the other end head, and first connecting rod 2 the other end head refers to and the part that the axle journal of bent axle is connected.Bent axle is generally provided with grease channel, lubricant oil can enter link pin axis hole 20 from the 5th oilhole 22, then enter on halfliner 5 by the 4th oilhole 21, then enter in the first oilhole 30 by the 3rd oilhole 50 and the second oilhole 41, finally enter in the first oil groove 31, crosshead 3 and pump head body slip surface are lubricated and dispelled the heat, halfliner 5 slip surface is lubricated and dispelled the heat.

On the other hand, basis is practical additionally provides a kind of fracturing unit truck, comprises above-mentioned fracturing pump.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a fracturing pump, it is characterized in that, comprise crosshead (3), first connecting rod (2), second connecting rod (4), first connecting rod (2) is connected with crosshead (3) by bearing pin (1), second connecting rod (4) is fixed in crosshead (3), and second connecting rod (4) head and first connecting rod (2) head are cooperatively interacted by halfliner (5).
2. fracturing pump according to claim 1, it is characterized in that, crosshead (3) offers crosshead pin axis hole (34), first connecting rod (2) head offers link pin axis hole (20), and bearing pin (1) inserts in crosshead pin axis hole (34) and link pin axis hole (20).
3. fracturing pump according to claim 2, it is characterized in that, second connecting rod (4) head offers halfliner hole (40), halfliner (5) is arranged in halfliner hole (40), halfliner (5) outer surface coordinates with halfliner hole (40), and halfliner (5) internal surface coordinates with first connecting rod (2) head exterior surface.
4. fracturing pump according to claim 3, it is characterized in that, first step (33) and second step (32) is provided with in crosshead (3) inner chamber, second connecting rod (4) head end and first step (33) against, halfliner (5) is positioned between first step (33) and halfliner hole (40), second connecting rod (4) head exterior surface coordinates with crosshead (3) inner chamber, and second connecting rod (4) head is arranged on second step (32) by bolt.
5. fracturing pump according to claim 4, it is characterized in that, second connecting rod (4) head offers two symmetry planes and arc surface, halfliner hole (40) is opened on two symmetry planes, two arc surfaces are connected with two symmetry planes, two symmetry planes respectively with second step (32) side-fit, two arc surfaces coordinate to the corresponding arc surface of crosshead (3) inner chamber respectively.
6. fracturing pump according to claim 5, it is characterized in that, crosshead (3) outer surface offers the first oil groove (31) and the first oilhole (30), first oilhole (30) communicates with the first oil groove (31), second connecting rod (4) head offers the second oilhole (41), second oilhole (41) communicates with halfliner hole (40), and the second oilhole (41) communicates with the first oilhole (30).
7. fracturing pump according to claim 6, it is characterized in that, halfliner (5) offers the 3rd oilhole (50), 3rd oilhole (50) runs through halfliner (5) internal surface and halfliner (5) outer surface, halfliner (5) internal surface offers the second oil groove (51), and the 3rd oilhole (50) communicates with the second oil groove (51).
8. fracturing pump according to claim 7, is characterized in that, first connecting rod (2) head exterior surface offers the 4th oilhole (21), and the 4th oilhole (21) communicates with link pin axis hole (20); The bar portion of first connecting rod (2) offers the 5th oilhole (22), 5th oilhole (22) one end communicates with link pin axis hole (20), and the 5th oilhole (22) the other end communicates with first connecting rod (2) the other end head.
9. the fracturing pump according to claim 1 to 8 any one, it is characterized in that, comprise pump head body, plunger, bent axle, first connecting rod (2) is connected with bent axle, second connecting rod (4) is connected with plunger, plunger and pump head body are slidably matched, and crosshead (3) and pump head body are slidably matched.
10. a fracturing unit truck, is characterized in that, comprises the fracturing pump as described in claim 1 to 9 any one.
CN201520439850.1U 2015-06-24 2015-06-24 Fracturing pump and fracturing unit truck CN204738958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520439850.1U CN204738958U (en) 2015-06-24 2015-06-24 Fracturing pump and fracturing unit truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520439850.1U CN204738958U (en) 2015-06-24 2015-06-24 Fracturing pump and fracturing unit truck

Publications (1)

Publication Number Publication Date
CN204738958U true CN204738958U (en) 2015-11-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520439850.1U CN204738958U (en) 2015-06-24 2015-06-24 Fracturing pump and fracturing unit truck

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105750114A (en) * 2016-05-03 2016-07-13 盐城工学院 Low-energy consumption high-pressure airless spraying machine
CN105750113A (en) * 2016-05-03 2016-07-13 盐城工学院 Structurally-improved pneumatic airless spray machine
CN106337803A (en) * 2016-11-08 2017-01-18 四川宏华石油设备有限公司 Novel Connecting Rod for Fracturing Pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105750114A (en) * 2016-05-03 2016-07-13 盐城工学院 Low-energy consumption high-pressure airless spraying machine
CN105750113A (en) * 2016-05-03 2016-07-13 盐城工学院 Structurally-improved pneumatic airless spray machine
CN105750113B (en) * 2016-05-03 2018-05-08 盐城工学院 A kind of high pressure airless spray equipment of improved structure
CN105750114B (en) * 2016-05-03 2018-05-08 盐城工学院 A kind of low energy consumption high pressure airless spray equipment
CN106337803A (en) * 2016-11-08 2017-01-18 四川宏华石油设备有限公司 Novel Connecting Rod for Fracturing Pump

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20161227

Address after: 102206 South Beijing city of Changping District science and Technology Park 31 manufacturing center of Beijing Liu Lu Li

Patentee after: 31 petroleum Intelligent Equipment Co., Ltd.

Address before: 102206 Changping District City, North Road, Beijing, the 31 Industrial Park

Patentee before: SANY HEAVY ENERGY EQUIPMENT CO., LTD.

C41 Transfer of patent application or patent right or utility model