CN208518595U - A kind of fluid power reverse impactor - Google Patents
A kind of fluid power reverse impactor Download PDFInfo
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- CN208518595U CN208518595U CN201820841762.8U CN201820841762U CN208518595U CN 208518595 U CN208518595 U CN 208518595U CN 201820841762 U CN201820841762 U CN 201820841762U CN 208518595 U CN208518595 U CN 208518595U
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- wear
- pedestal
- arc
- resistant block
- fluid power
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Abstract
The utility model provides a kind of fluid power reverse impactor, including torsional pulse hammer, upper pedestal and pedestal, the torsional pulse hammer is rotatably sheathed in the upper pedestal, and the torsional pulse hammer and upper pedestal are supported on the pedestal, and the upper pedestal is fixedly connected with pedestal；The wear-resistant components mutually worn both are equipped with when preventing torsional pulse hammer from rotating between torsional pulse hammer and pedestal.The utility model has many advantages, such as good wear-resisting property, tool life, mechanical drilling efficiency and high safety and reliability.
Description
Technical field
The utility model relates to energy exploration development field more particularly to a kind of fluid power reverse impactors.
Background technique
With gradually going deep into for oil and gas development, land Shallow Oil-Gas resource starts to peter out, and exploration targets is increasingly turned to
Deep formation.The higher burden pressure of deep formation causes formation hardness, resistance to compression shearing strength and abrasiveness to be multiplied, because
And rate of penetration sharply declines.PDC drill bit gradually becomes oil drilling main force drill bit in recent years, but PDC drill bit bores in chance firmly
It is this acutely unstable, there are serious " stick-slip " phenomenon, to cause drill string torsional oscillation, drilling process unstable when overlying strata
Drilling not only be easy to cause combined cut piece to collapse tooth, cause PDC drill bit to fail, also easily drill bit made to release, induce down-hole accident.
Effectively to inhibit PDC drill bit to bore stick slip vibration when meeting medium ground, a kind of fluid power torsion is proposed in the prior art
Impactor, fluid power reverse impactor cooperates PDC drill bit to use, applies reciprocal torque pulse in the circumferential direction of drill bit, steady with drill string
When state creeps into torque superposition, efficient broken rock torque can be applied to drill bit, significantly reduce or eliminate the stick slip vibration of drill bit,
Guarantee to improve rate of penetration while wellbore quality, extends bit life.However, main zero in existing fluid power reverse impactor
Part key position surface wears no resistance, mechanical surface serious wear after working long hours, and mechanical seal gap increases, and thus leads
It causes in the impactor course of work off and on, and then is easy failure and scraps.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide that a kind of wear-resisting property is good, work
Has the fluid power reverse impactor of service life, mechanical drilling efficiency and high safety and reliability.
In order to solve the above technical problems, the utility model proposes technical solution are as follows:
A kind of fluid power reverse impactor, including torsional pulse hammer, upper pedestal and pedestal, the torsional pulse hammer are rotatable
It is sheathed in the upper pedestal, the torsional pulse hammer and upper pedestal are supported on the pedestal, and the upper pedestal and pedestal
It is fixedly connected；Wear-resisting group mutually worn both is equipped with when preventing torsional pulse hammer from rotating between torsional pulse hammer and pedestal
Part.
As a further improvement of the above technical scheme:
The inner sidewall of the upper pedestal is equipped with arc limit slot, and torsional pulse hammer is equipped with to be adapted to arc limit slot
Arc auxiliary section, the arc length of the arc limit slot are greater than the arc length of arc auxiliary section；The wear-resistant components include being set to pedestal
With the first wear-resisting portion of arc limit slot relative position, and set on the second wear-resisting portion of arc auxiliary section, described first is wear-resisting
Portion contacts with each other with the second wear-resisting portion when torsional pulse is hammered into shape and rotated.
The first wear-resisting portion and the second wear-resisting portion include wear-resistant block and mounting hole, and the wear-resistant block is set to the installation
In hole, the upper surface of the wear-resistant block is higher than the surface of the pedestal or arc auxiliary section；The wear-resistant block in the first wear-resisting portion
Cover the pivot region of arc auxiliary section.
The wear-resistant block be it is multiple, multiple wear-resistant blocks are arranged circumferentially along the pedestal or arc auxiliary section, adjacent
The circumferential spacing of the wear-resistant block is less than the circumferential width of the wear-resistant block.
The wear-resistant block is arc wear-resistant block, circumferential setting of the arc wear-resistant block along pedestal or arc auxiliary section.
The arc limit slot is two, and two arc limit slots are symmetrically arranged in the two of the upper pedestal center line
Side；The arc auxiliary section is two, and two arc auxiliary sections are arranged in a one-to-one correspondence with two arc limit slots.
The wear-resistant block and the mounting hole are interference fit, and the both ends of the wear-resistant block, which are equipped with, facilitates wear-resistant block indentation peace
Fill the installation chamfering in hole.
The wear-resistant block is hard alloy abrasion-resistant block.
Circumferential limit assembly and fastener are equipped between the upper pedestal and pedestal, the circumferential direction limit assembly includes grafting
The retention bead and limiting groove of cooperation, the retention bead are set in one of them of upper pedestal and pedestal, are set on another
There is limiting groove；The retention bead and limiting groove pass through fastener axial limiting.
The circumferential direction limit assembly is at least two groups, and the wear-resistant components are two groups, circumferential direction limit assembly described in multiple groups and
Wear-resistant components are staggeredly arranged.
Compared with the prior art, the advantages of the utility model are:
The torsional pulse hammer of the utility model is rotatably sheathed in upper pedestal, and torsional pulse hammer and upper pedestal are supported in
On pedestal, and upper pedestal is fixedly connected with pedestal, simple and compact for structure, easy for installation；And between torsional pulse hammer and pedestal
Equipped with wear-resistant components, the setting of wear-resistant components is so that torsional pulse hammer will not effectively mention when rotating with the direct contact wear of pedestal
The high wear-resisting property of contact surface, ensure that tool long-term stable work, tool life, mechanical drilling efficiency and
High safety and reliability.
Further, the inner sidewall of upper pedestal is equipped with arc limit slot, and torsional pulse hammer is equipped with to be adapted to arc limit slot
Arc auxiliary section, the arc length of arc limit slot is greater than the arc length of arc auxiliary section, to provide the rotation space of torsional pulse hammer,
Its structure is simple, compact.Wear-resistant components include the first wear-resisting portion and the second wear-resisting portion, and the first wear-resisting portion is set to pedestal and arc limits
The opposite position of position slot, the second wear-resisting portion are set on arc auxiliary section, and the first wear-resisting portion and the second wear-resisting portion hammer into shape in torsional pulse
It contacts with each other when rotation.Wear-resistant components are set in the slewing area of arc auxiliary section, which obviate torsional pulse hammer with
The direct contact wear in the surface of pedestal ensure that torsional pulse hammer is contacted with wear-resistant components always in rotation, pedestal and torsion
The contact surface wear-resisting property of jump bit is high, and wear-resistant components are without occupying additional space, reasonable in design, simple and compact.
Detailed description of the invention
Hereinafter the utility model will be described in more detail based on the embodiments and with reference to the accompanying drawings.Wherein:
Fig. 1 is the partial sectional view of the utility model fluid power reverse impactor.
Fig. 2 is the left view of the utility model fluid power reverse impactor.
Fig. 3 is the schematic perspective view of the utility model pedestal.
Fig. 4 is the schematic perspective view of the utility model upper pedestal.
Fig. 5 is the schematic perspective view of the utility model torsional pulse hammer.
Fig. 6 is the schematic perspective view of the utility model wear-resistant block.
Each label indicates in figure:
1, torsional pulse is hammered into shape；11, arc auxiliary section；2, upper pedestal；21, arc limit slot；3, pedestal；4, wear-resistant components；
41, the first wear-resisting portion；42, the second wear-resisting portion；43, wear-resistant block；431, chamfering is installed；44, mounting hole；5, circumferential limit assembly；
51, retention bead；52, limiting groove.
Specific embodiment
The utility model is described in further details below in conjunction with Figure of description and specific embodiment, but not because
This and limit the protection scope of the utility model.
As depicted in figs. 1 and 2, the fluid power reverse impactor of the present embodiment, including torsional pulse hammer 1, upper pedestal 2 and pedestal
3.Wherein, torsional pulse hammer 1 is rotatably sheathed in upper pedestal 2, and torsional pulse hammer 1 and upper pedestal 2 are supported on pedestal 3,
And upper pedestal 2 is fixedly connected with pedestal 3, it is simple and compact for structure, easy for installation.In the present embodiment, torsional pulse hammer 1 and pedestal
Wear-resistant components 4 are equipped between 3, the setting of wear-resistant components 4 is so that torsional pulse hammer 1 will not directly contact mill with pedestal 3 when rotating
Damage, effectively increases the wear-resisting property of contact surface, ensure that tool long-term stable work, tool life, power auger
Well efficiency and high safety and reliability.
As shown in Figures 2 to 5, the inner sidewall of upper pedestal 2 is equipped with arc limit slot 21；Torsional pulse hammer 1 is matched equipped with arc
Conjunction portion 11, arc auxiliary section 11 are adapted to arc limit slot 21, and the arc length of arc limit slot 21 is greater than arc auxiliary section 11
Arc length, to provide the rotation space of torsional pulse hammer 1.Its structure is simple, compact layout.In the present embodiment, arc limit slot 21
For arc-shaped slot, axial direction arrangement of the arc-shaped slot along upper pedestal 2.
In the present embodiment, wear-resistant components 4 include the first wear-resisting portion 41 and the second wear-resisting portion 42, and the first wear-resisting portion 41 is set to base
The position opposite with arc limit slot 21 of seat 3, the second wear-resisting portion 42 are set on arc auxiliary section 11, the first wear-resisting portion 41 and the
Two wear-resisting portions 42 contact with each other in torsional pulse 1 rotation of hammer.I.e. the first wear-resisting portion 41 is placed in arc cooperation by the utility model
In the slewing area in portion 11, which obviate the direct contact wears in surface of torsional pulse hammer 1 and pedestal 3, ensure that torsional pulse
Hammer 1 is contacted with wear-resistant components 4 always in rotation, and the contact surface wear-resisting property of pedestal 3 and torsional pulse hammer 1 is high, and wear-resisting group
Part 4 is simple and compact without occupying additional space, reasonable in design.
Further, the first wear-resisting portion 41 and the second wear-resisting portion 42 include wear-resistant block 43 and mounting hole 44.Wherein, wear-resisting
Block 43 is set in mounting hole 44, to guarantee bonding strength of the wear-resistant block 43 in torsional pulse 1 rotation of hammer, avoids wear-resistant block 43
The generation to fall off.Meanwhile the upper surface of wear-resistant block 43 is higher than the surface of pedestal 3 or arc auxiliary section 11, so that torsional pulse hammer 1
It is not directly contacted with the surface of pedestal 3.In the present embodiment, the upper surface of wear-resistant block 43 is higher than pedestal 3 or arc auxiliary section 11
Within the 0.15mm of surface, while guaranteeing wear-resisting property, the small―gap suture of torsional pulse hammer 1 with pedestal 3 ensure that, and avoid
The generation that excessive height causes the wear-resistant block 43 to break.
In the present embodiment, the wear-resistant block 43 in the first wear-resisting portion 41 covers the pivot region of arc auxiliary section 11.That is pedestal 3
Opposite with arc limit slot 21 position covering is provided with wear-resistant block 43, with guarantee torsional pulse hammer 1 in rotation always with it is resistance to
It grinds component 4 to contact, this further improves the wear-resisting properties of contact surface.
As shown in figure 4, arc limit slot 21 is two.Two arc limit slots 21 are symmetrically arranged in 2 center line of upper pedestal
Two sides；Arc auxiliary section 11 is two, and two arc auxiliary sections 11 are arranged in a one-to-one correspondence with two arc limit slots 21.It is protected
The reliability that torsional pulse hammers 1 torsional pulse into shape is demonstrate,proved.
As depicted in figs. 3 and 5, the wear-resistant block 43 of the present embodiment is multiple, and multiple wear-resistant blocks 43 cooperate along pedestal 3 or arc
Portion 11 is arranged circumferentially, compact layout and structure.Meanwhile the circumferential spacing of neighbouring wear-resistant block 43 is less than the week of wear-resistant block 43
To width, make the wear-resistant block 43 in the second wear-resisting portion 42 when leaving a wherein wear-resistant block 43 in the first wear-resisting portion 41 with it is another
A wear-resistant block 43 contacts, so that the second wear-resisting portion 42 contacts always with the first wear-resisting portion 41 when torsional pulse 1 rotation of hammer, ensure that
Abrasion resistant effect.
Further, each wear-resistant block 43 is cylindrical wear-resistant block, and mounting hole 44 is the circle being adapted to cylindrical wear-resistant block
Shape mounting hole, the circumferential spacing of adjacent column shape wear-resistant block are less than the diameter of cylindrical wear-resistant block.In other embodiments, wear-resisting
Block 43 can also be integral arc wear-resistant block, and arc wear-resistant block is arranged along pedestal 3 or the circumferential of arc auxiliary section 11, which obviate
Easily there is each 43 uneven surface of wear-resistant block neat phenomenon when multiple wear-resistant blocks 43 are set, this further improves wear-resisting properties；Peace
Dress hole 44 is set as the arc mounting hole being adapted to arc wear-resistant block.
Further, wear-resistant block 43 and mounting hole 44 are interference fit, to guarantee wear-resistant block 43 in 1 rotation of torsional pulse hammer
When connection reliability.In the present embodiment, wear-resistant block 43 is hard alloy abrasion-resistant block, and mounting hole 44 is blind hole.As shown in fig. 6,
The both ends of wear-resistant block 43 are equipped with installation chamfering 431, and installation chamfering 431 facilitates wear-resistant block 43 to be pressed into inside mounting hole 44.
As shown in Figures 3 and 4, circumferential limit assembly 5 and fastener are equipped between upper pedestal 2 and pedestal 3.Wherein, circumferential
Limit assembly 5 includes retention bead 51 and limiting groove 52, and retention bead 51 is set on upper pedestal 2, and limiting groove 52 is set to base
On seat 3, retention bead 51 and limiting groove 52 are mating, effectively realize upper pedestal 2 and the circumferential of pedestal 3 limits.Together
When, retention bead 51 and limiting groove 52 are fixed by fastener, to realize axial limiting.In other embodiments, limit convex
Playing 51 can also be set on pedestal 3, and limiting groove 52 is set on upper pedestal 2.
Further, the circumferential limit assembly 5 of the present embodiment is two groups, and wear-resistant components 4 are two groups, two groups of circumferential direction limit groups
Part 5 is symmetrically arranged in the two sides of 2 center line of pedestal 3 and upper pedestal, and circumferential limit assembly 5 is staggeredly arranged with wear-resistant components 4.Its
Rationally distributed, structure is simple.In other embodiments, circumferential limit assembly 5 may be alternatively provided as three groups, four groups etc..
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments be can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but is included all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of fluid power reverse impactor, which is characterized in that including torsional pulse hammer, upper pedestal and pedestal, the torsional pulse
Hammer is rotatably sheathed in the upper pedestal, and torsional pulse hammer and upper pedestal are supported on the pedestal, and it is described on
Pedestal is fixedly connected with pedestal；Torsional pulse hammer be equipped between pedestal prevent torsional pulse hammer from rotating when both phase attrition
The wear-resistant components of damage.
2. fluid power reverse impactor according to claim 1, which is characterized in that the inner sidewall of the upper pedestal is equipped with arc
Limiting slot, the torsional pulse hammer are equipped with the arc auxiliary section being adapted to arc limit slot, and the arc length of the arc limit slot is big
Arc length in arc auxiliary section；The wear-resistant components include the first wear-resisting portion for being set to pedestal and arc limit slot relative position,
And the second wear-resisting portion set on arc auxiliary section, the first wear-resisting portion and the second wear-resisting portion hammer rotation phase into shape in torsional pulse
Mutually contact.
3. fluid power reverse impactor according to claim 2, which is characterized in that the first wear-resisting portion and the second wear-resisting portion
It include wear-resistant block and mounting hole, the wear-resistant block is set in the mounting hole, and the upper surface of the wear-resistant block is higher than the base
The surface of seat or arc auxiliary section；The pivot region of the wear-resistant block covering arc auxiliary section in the first wear-resisting portion.
4. fluid power reverse impactor according to claim 3, which is characterized in that the wear-resistant block be it is multiple, it is multiple wear-resisting
Block is arranged circumferentially along the pedestal or arc auxiliary section, and the circumferential spacing of the adjacent wear-resistant block is less than the wear-resistant block
Circumferential width.
5. fluid power reverse impactor according to claim 3, which is characterized in that the wear-resistant block is arc wear-resistant block, institute
Arc wear-resistant block is stated along the circumferential setting of pedestal or arc auxiliary section.
6. fluid power reverse impactor as claimed in any of claims 2 to 5, which is characterized in that the arc-shaped limit
Slot is two, and two arc limit slots are symmetrically arranged in the two sides of the upper pedestal center line；The arc auxiliary section is
Two, two arc auxiliary sections are arranged in a one-to-one correspondence with two arc limit slots.
7. the fluid power reverse impactor according to any one of claim 3 to 5, which is characterized in that the wear-resistant block with
The mounting hole is interference fit, and the both ends of the wear-resistant block are equipped with the installation chamfering for facilitating wear-resistant block indentation mounting hole.
8. fluid power reverse impactor according to claim 7, which is characterized in that the wear-resistant block is that hard alloy is wear-resisting
Block.
9. fluid power reverse impactor as claimed in any of claims 1 to 5, which is characterized in that the upper pedestal with
Circumferential limit assembly and fastener are equipped between pedestal, the circumferential direction limit assembly includes mating retention bead and limit
Groove, for the retention bead in one of them of upper pedestal and pedestal, another is equipped with limiting groove；The limit convex
It rises and limiting groove passes through fastener axial limiting.
10. fluid power reverse impactor according to claim 9, which is characterized in that the circumferential direction limit assembly is at least two
Group, the wear-resistant components are two groups, and the circumferential direction limit assembly is staggeredly arranged with the wear-resistant components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841762.8U CN208518595U (en) | 2018-06-01 | 2018-06-01 | A kind of fluid power reverse impactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841762.8U CN208518595U (en) | 2018-06-01 | 2018-06-01 | A kind of fluid power reverse impactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518595U true CN208518595U (en) | 2019-02-19 |
Family
ID=65339599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820841762.8U Active CN208518595U (en) | 2018-06-01 | 2018-06-01 | A kind of fluid power reverse impactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208518595U (en) |
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2018
- 2018-06-01 CN CN201820841762.8U patent/CN208518595U/en active Active
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