CN210798865U - Vibration reduction structure of drill rod and rotary drilling rig - Google Patents

Vibration reduction structure of drill rod and rotary drilling rig Download PDF

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Publication number
CN210798865U
CN210798865U CN201921694401.6U CN201921694401U CN210798865U CN 210798865 U CN210798865 U CN 210798865U CN 201921694401 U CN201921694401 U CN 201921694401U CN 210798865 U CN210798865 U CN 210798865U
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China
Prior art keywords
drill rod
spring
guide sleeve
section
spring guide
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CN201921694401.6U
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Chinese (zh)
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苏陈
张明杰
邱红臣
贾学强
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Xuzhou XCMG Foundation Construction Machinery Co Ltd
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Xuzhou XCMG Foundation Construction Machinery Co Ltd
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Abstract

The utility model discloses a vibration reduction structure of a drill rod and a rotary drilling rig, wherein the vibration reduction structure comprises a stress plate, a spring guide sleeve, a spring and a connecting part; the stress plate is arranged on the outer wall of the upper end of the first section of the drill rod; the spring guide sleeve is sleeved on a section of the drill rod; the spring is positioned between the stress plate and the spring guide sleeve; the spring guide sleeve and the spring are fixed through the connecting part; when receiving external impact force, the spring uide bushing is along drilling rod axial motion to compression spring comes buffering external force simultaneously, protects the drilling rod, and the spring resumes free state again after external force disappears. The utility model discloses the effectual huge impact force that has alleviated stretching out or because the pole that falls that other reasons such as operation caused of each section drilling rod and produce has improved the life-span of digging rig and equipment spare part soon, and the effectual economic loss who avoids digging the rig drilling rod soon and frequently change rubber damping pad and bring can practice thrift a large amount of funds, cost of maintenance and maintenance cost for the user.

Description

Vibration reduction structure of drill rod and rotary drilling rig
Technical Field
The utility model relates to a dig the drilling rod for the rig construction soon, especially relate to a dig damping structure of rig drilling rod soon, belong to engineering technical field.
Background
The rotary drilling rig is mechanical equipment for constructing an earth-taking and hole-forming cast-in-place pile, and is matched with a drill rod and a drilling tool to perform construction operation. The drilling rod is the necessary supporting tool of rotary drilling rig construction, in the construction, can produce the impact force along with stretching out of each section drilling rod to still often can appear pounding the phenomenon of pole owing to reasons such as operation, pounding the impact force that the pole produced very big, can lead to the damage of drilling rod or even scrapping, not only cause the waste of resource, influence the construction progress moreover, cause economic loss.
At present, the drill rods of the rotary drilling rig usually adopt a rubber vibration damping pad structure to buffer the extension of each section of the drill rod and the huge impact force generated by smashing the drill rod; however, the rubber damping pad mainly has the following problems:
1. the buffering and vibration reduction effects are poor: too large impact force generated by smashing the drill rod can also cause damage and scrapping of the drill rod.
2. Short service life: the rubber damping pad belongs to the wearing parts of the drill rod at present and needs to be replaced frequently.
3. The manufacture is inconvenient: the manufacture of rubber damping pads requires the development of molds to produce different specifications.
In conclusion, the rubber vibration damping pad has poor external force buffering effect, short service life, inconvenient maintenance and poor economical efficiency.
Disclosure of Invention
In view of this, it is necessary to provide a vibration damping structure for a drill rod of a rotary drilling rig, which has good vibration damping effect, is convenient to manufacture, has a long service life and is low in cost.
The utility model provides a technical scheme that its technical problem adopted is:
a vibration damping structure of a drill rod, comprising:
the stress plate is arranged on the outer wall of the upper end of one section of the drill rod;
the spring guide sleeve is sleeved on a section of rod of the drill rod;
the spring is positioned between the stress plate and the spring guide sleeve;
a connecting member for fixing the spring guide sleeve and the spring;
when receiving external impact force, the spring uide bushing is along drilling rod axial motion to compression spring comes buffering external force simultaneously, protects the drilling rod, and the spring resumes free state again after external force disappears.
Furthermore, the spring guide sleeve is formed by welding or integrally casting a connecting flange plate, a barrel and a bottom plate.
Further, the connecting part comprises a baffle disc and a fastening piece; the connecting flange plate is provided with a connecting through hole, and the spring guide sleeve is connected with the baffle plate through the connecting through hole by a fastener.
Further, the fastener is a bolt and a nut; and the bolt sequentially penetrates through the blocking disc and the connecting through hole and then is fastened through the nut.
Furthermore, the inner edge of the bottom plate is provided with key grooves I and bosses which are arranged in a staggered mode.
Furthermore, key grooves II and key bars which are arranged in a staggered mode are arranged on the outer wall of the section of the drill rod; when the spring guide sleeve is assembled on a section of rod of the drill rod from the square head end of the drill rod, the lug boss is arranged along the key groove II, and the key strip is arranged along the key groove I.
Furthermore, a plurality of reinforcing rib plates arranged along the circumferential direction are arranged between the top surface of the stress plate and the outer wall of one section of the drill rod at intervals.
Furthermore, the stress plate is processed with a welding groove for forming a welding seam with a section of the drill rod.
A rotary drilling rig comprises a drill rod, wherein the damping structure is arranged on one section of the drill rod.
Further, the drill rods comprise a machine locking type drill rod and a friction type drill rod.
The utility model discloses beneficial effect:
the utility model discloses the effectual huge impact force that has alleviated stretching out or because the pole that falls that other reasons such as operation caused of each section drilling rod and produce has improved the life-span of digging rig and equipment spare part soon, and the effectual economic loss who avoids digging the rig drilling rod soon and frequently change rubber damping pad and bring can practice thrift a large amount of funds, cost of maintenance and maintenance cost for the user.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a rubber vibration damping pad;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of the spring guide sleeve;
FIG. 5 is a top view of the spring guide sleeve;
FIG. 6 is a schematic structural view of a section of drill rod, a stress plate and a reinforcing rib plate;
FIG. 7 is a schematic cross-sectional view taken along line I-I of FIG. 6;
FIG. 8 is a schematic cross-sectional view taken along line II-II of FIG. 6;
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the existing rotary drilling rig drill rods usually adopt rubber vibration damping pads 100 to buffer the extension of each section of drill rod and the huge impact force generated by smashing the drill rod; however, the rubber vibration damping pad 100 mainly has the following problems: 1. the buffering and vibration reduction effects are poor: too large impact force generated by smashing the drill rod can also cause damage and scrapping of the drill rod. 2. Short service life: the rubber damping pad belongs to the wearing parts of the drill rod at present and needs to be replaced frequently. 3. The manufacture is inconvenient: the manufacture of rubber damping pads requires the development of molds to produce different specifications. To sum up, the rubber vibration damping pad 100 has poor effect of damping external force, short service life, inconvenient maintenance and poor economical efficiency. In view of this, it is necessary to provide a vibration damping structure for a drill rod of a rotary drilling rig, which has good vibration damping effect, is convenient to manufacture, has a long service life and is low in cost.
As shown in fig. 2 and 3, the vibration damping structure of the drill rod comprises a stress plate 8, a spring guide sleeve 10, a spring 9 and a connecting part; the stress plate 8 is arranged on the outer wall of the upper end of the first section of the drill rod 3; the spring guide sleeve 10 is sleeved on the first section of the drill rod 3; the spring 9 is positioned between the stress plate 8 and the spring guide sleeve 10; the spring guide sleeve 10 and the spring 9 are fixed by the connecting member; when external impact force is applied, the spring guide sleeve 10 moves axially along the drill rod, meanwhile, the spring 9 is compressed to buffer external force, the drill rod is protected, and the spring 9 is restored to a free state after the external force disappears.
As shown in fig. 4 and 5, the spring guide 10 is formed by welding or integrally casting a connecting flange 101, a barrel 102, and a bottom plate 103.
The connecting part comprises a baffle disc 7 and a fastening piece; the connecting flange plate 101 is provided with a connecting through hole 104, and the spring guide sleeve 10 is connected with the baffle plate 7 through the connecting through hole 104 by a fastener.
Continuing to refer to FIG. 2, the fasteners are bolts 5 and nuts 6; the bolt 5 passes through the baffle disc 7 and the connecting through hole 104 in sequence and then is fastened through the nut 6.
With continued reference to FIG. 5, the inner edge of the base plate 103 is provided with alternating key slots I105 and bosses 106.
As shown in fig. 8, the outer wall of the section of drill rod 3 is provided with key grooves ii 13 and key strips 12 which are arranged in a staggered manner; when the spring guide 10 is assembled to the drill rod section 3 from the drill rod square head end, the boss 106 is fitted along the key groove II 13, and the key bar 12 is fitted along the key groove I105.
As shown in fig. 6 and 7, a plurality of reinforcing rib plates 4 arranged along the circumferential direction are arranged between the top surface of the stress plate 8 and the outer wall of the first section of the drill rod 3 at intervals, so that the strength of the stress plate 8 is improved.
In a further scheme, a welding groove 11 is processed on the stress plate and used for forming a welding line A with a section of the drill rod 3.
During assembly, the spring guide sleeve 10 and the spring 9 are assembled to the stress plate 8 from the square head end of the drill rod, and then are connected with the baffle disc 7 through the bolt 5 and the nut 6, and the positions of the spring guide sleeve 10 and the spring 9 are fixed to form a vibration reduction system of the drill rod.
When the drill rod stretches out or falls the pole and produce huge impact force because of other reasons such as operation, the bottom plate 103 of spring uide bushing receives the impact force at first, then through the direction of atress board 8, along drill rod axis direction compression spring 9, along with the final external force absorption of the compression of spring 9, the effectual direct impact of external force to the drill rod that has cushioned avoids the damage of drill rod or even scrapping. And the economic loss and the delay of the construction period caused by frequent replacement of the rubber damping pad of the drill rod of the rotary drilling rig are avoided, and a large amount of capital, maintenance cost and maintenance cost can be saved for users.
To sum up, the utility model discloses simple structure, dismantlement convenience, buffering are effectual, and the effectual huge impact force that has alleviated that stretches out or fall the pole and produce because other reasons such as operation cause of each section drilling rod has improved the life-span of digging rig and equipment spare part soon, and the effectual economic loss who has avoided digging the rig drilling rod soon and frequently change rubber damping pad and bring can practice thrift a large amount of funds, cost of maintenance and maintenance cost for the user.
The utility model discloses simple structure, dismantlement convenience, buffering are effectual, and the effectual huge impact force that has alleviated that stretches out or because the pole that falls that other reasons such as operation caused of each section drilling rod produced has improved the life-span of digging rig and equipment spare part soon, and the effectual economic loss who avoids digging the rig drilling rod soon and frequently change rubber damping pad and bring can practice thrift a large amount of funds, cost of maintenance and maintenance cost for the user.
The utility model also provides a dig rig soon, including the drilling rod, this drilling rod includes drilling rod a section pole 3 and lug 1, and connects through ring flange 2 between the two, is equipped with foretell shock-absorbing structure on drilling rod a section pole 3.
It should be noted that the drill rods include a mechanical lock type drill rod and a friction type drill rod.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (10)

1. A vibration damping structure of a drill rod, comprising:
the stress plate is arranged on the outer wall of the upper end of one section of the drill rod;
the spring guide sleeve is sleeved on a section of rod of the drill rod;
the spring is positioned between the stress plate and the spring guide sleeve;
a connecting member for fixing the spring guide sleeve and the spring;
when receiving external impact force, the spring uide bushing is along drilling rod axial motion to compression spring comes buffering external force simultaneously, protects the drilling rod, and the spring resumes free state again after external force disappears.
2. The vibration damping structure of a drill rod according to claim 1, wherein: the spring guide sleeve is formed by welding or integrally casting a connecting flange plate, a barrel and a bottom plate.
3. The vibration damping structure of a drill rod according to claim 2, wherein: the connecting part comprises a baffle disc and a fastening piece;
the connecting flange plate is provided with a connecting through hole, and the spring guide sleeve is connected with the baffle plate through the connecting through hole by a fastener.
4. A vibration damping structure of a drill rod according to claim 3, wherein: the fastening piece is a bolt and a nut;
and the bolt sequentially penetrates through the blocking disc and the connecting through hole and then is fastened through the nut.
5. The vibration damping structure of a drill rod according to claim 2, wherein: the inner edge of the bottom plate is provided with key grooves I and bosses which are arranged in a staggered mode.
6. The vibration damping structure of a drill rod according to claim 5, wherein: the outer wall of one section of the drill rod is provided with key grooves II and key bars which are arranged in a staggered mode;
when the spring guide sleeve is assembled on a section of rod of the drill rod from the square head end of the drill rod, the lug boss is arranged along the key groove II, and the key strip is arranged along the key groove I.
7. The vibration damping structure of a drill rod according to claim 1, wherein: and a plurality of reinforcing rib plates arranged along the circumferential direction are arranged between the top surface of the stress plate and the outer wall of one section of the drill rod at intervals.
8. The vibration damping structure of a drill rod according to claim 1, wherein: and the stress plate is processed with a welding groove and used for forming a welding seam with a section of the drill rod.
9. The rotary drilling rig comprises a drill rod and is characterized in that: the shock absorption structure of any one of claims 1 to 8 is arranged on a section of the drill rod.
10. The rotary drilling rig according to claim 9, wherein: the drill rod comprises a machine locking type drill rod and a friction type drill rod.
CN201921694401.6U 2019-10-11 2019-10-11 Vibration reduction structure of drill rod and rotary drilling rig Active CN210798865U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921694401.6U CN210798865U (en) 2019-10-11 2019-10-11 Vibration reduction structure of drill rod and rotary drilling rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921694401.6U CN210798865U (en) 2019-10-11 2019-10-11 Vibration reduction structure of drill rod and rotary drilling rig

Publications (1)

Publication Number Publication Date
CN210798865U true CN210798865U (en) 2020-06-19

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CN201921694401.6U Active CN210798865U (en) 2019-10-11 2019-10-11 Vibration reduction structure of drill rod and rotary drilling rig

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Country Link
CN (1) CN210798865U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115217102A (en) * 2022-08-09 2022-10-21 深圳市南华岩土工程有限公司 High-pressure jet grouting pile waterproof curtain vertical auxiliary device and process method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115217102A (en) * 2022-08-09 2022-10-21 深圳市南华岩土工程有限公司 High-pressure jet grouting pile waterproof curtain vertical auxiliary device and process method
CN115217102B (en) * 2022-08-09 2024-01-09 深圳市南华岩土工程有限公司 Vertical auxiliary device and process method for high-pressure jet grouting pile waterproof curtain

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Xuzhou Boke Construction Machinery Co.,Ltd.

Assignor: XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY Co.,Ltd.

Contract record no.: X2020320000068

Denomination of utility model: A vibration reducing structure of drill pipe and rotary drilling rig

Granted publication date: 20200619

License type: Common License

Record date: 20200910

EE01 Entry into force of recordation of patent licensing contract