CN202100210U - Drilling rig and vibration damper thereof - Google Patents
Drilling rig and vibration damper thereof Download PDFInfo
- Publication number
- CN202100210U CN202100210U CN 201120120603 CN201120120603U CN202100210U CN 202100210 U CN202100210 U CN 202100210U CN 201120120603 CN201120120603 CN 201120120603 CN 201120120603 U CN201120120603 U CN 201120120603U CN 202100210 U CN202100210 U CN 202100210U
- Authority
- CN
- China
- Prior art keywords
- connector
- hole
- drive link
- shock absorber
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
A vibration damper of a drilling rig is provided with a central through hole in the axial direction and comprises a connector, a driving rod, a spring group, a cover plate and a cylinder body component, wherein the connector and the cover plate of the driving rod are in fixed connection with the cylinder body component; the driving rod is in movable connection with the cylinder body component and the cover plate of the driving rod; the driving rod is a non-round shaft and can be connected with a power head through a pin; a bulged spring baffle ring is arranged at the lower end of the driving rod; the lower-end joint of the connector is a non-round hole; the connector can be connected with an impactor through a pin; a bulged hollow tube is arranged in the central position of the upper end of the connector; the external diameter of the hollow tube is slightly smaller than the internal diameter of the central through hole of the driving rod; and the spring group is positioned at the periphery of the hollow tube and is in contact with the driving rod and the connector. The vibration damper has the advantages of wide application range, long service life, large transmitting torque, good vibration damping performance and convenience in maintenance and replacement, thereby improving the durability and the reliability of the drilling rig.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of shock absorber that is used for rig.In addition, the utility model also relates to a kind of rig that comprises above-mentioned shock absorber.
Background technology
Rig is used in the middle-size and small-size mining operation usually.Active rigs drives impactor with drilling rod and drill bit rotates together, utilizes the broken ore deposit of the piston impact drill bit rock of impactor, carries out digging operation.In drilling process, the dither of bottom impactor impacts and to be delivered to unit head through drilling rod, and the fatigue strength and the life-span of unit head are caused harmful effect.In order to reduce the infringement of impact to unit head, need take vibration reducing measure in the junction of drilling rod and unit head, shock absorber is as requisite a kind of vibration absorber in the rig gyrator, and the performance of this device is how, directly influences the use of machine.
Chinese patent CN2426033Y discloses a kind of spring cushion, is made up of shell, mandrel and spring, and the shell bottom has been threaded and has trapped; Trap and mandrel between spring is arranged; Spring can be that rectangle spring, ring spring or rectangle spring add ring spring, between shell and the mandrel top last sealed packing is arranged, and shell is spent strong the connection with the mandrel middle part; Trapping and pinning is housed on the lower end wall, packs in the mandrel groove in pinning the inner.
Chinese patent CN86200394U discloses the disk spring shock absorber, comprises that shock absorber upper body, overcoat, shock absorber lower body, spring, spring select disk spring for use, and the buffering blob of viscose is equipped with in shock absorber lower body and overcoat contact position.
Chinese patent CN101608532A discloses a kind of shock absorber that is used for down-the-hole drill; It axially has central through hole; Comprise be connected with impactor first connect dish, be connected with unit head second connect dish; And connect said first and connect the bolt assembly that dish and said second connects dish; Said first connects dish and said second connects dish and all has opening and be positioned on both joint face and coaxial blind hole, and the inside of two said blind holes is provided with the identical substantially torsion pass pin of diameter with it, said torsion pass pin axial parallel with the axial cardinal principle of said central through hole.This shock absorber can significantly reduce the load that the torsion pass element bears, and improves the durability and the reliability of shock absorber, obviously improves the reliability and stability of down-the-hole drill.The invention also discloses a kind of down-the-hole drill that comprises above-mentioned shock absorber.
Though prior oscillating damper all has certain effectiveness in vibration suppression, still exist such as: cushion stroke is little, and spring installing space, travel range are non-adjustable; Adopt spiral marking connection with the connection of rig, the moment of torsion of transmission is little more, can only folk prescription to rotation, defectives such as inconvenience are changed in maintenance.
Summary of the invention
The purpose of the utility model provides a kind of shock absorber that is used for rig, and this shock absorber is applied widely, long service life, that transfer torque is big, damping property is good, maintenance is changed is convenient, thereby improves the durability and the reliability of rig.Another purpose of the utility model provides a kind of rig that comprises above-mentioned shock absorber.
For solving the problems of the technologies described above, the utility model provides a kind of shock absorber, is used for rig; It axially has central through hole, comprises the connector that is connected with impactor, drive link, groups of springs, the cover plate that connects with unit head and the cylinder assembly that is connected said connector and said drive link, is fixedly connected between the cover plate of connector and cylinder assembly, drive link and the cylinder assembly; Connects for movable between the cover plate of drive link and cylinder assembly and drive link, said drive link is a non-circular shaft, spool is provided with the pin-and-hole groove; Can connect through bearing pin and unit head; The drive link lower end is provided with the spring baffle ring of protrusion, and end joint is a non-circular hole under the said connector, has pin-and-hole near the edge in hole; Can connect through bearing pin and impactor; Center, connector upper end is provided with the hollow section of protrusion, and insert in the central through hole of drive link on the top of hollow section, and the hollow section of said groups of springs between drive link and connector is peripheral.Can or make a mode such as integral body through bolt, welding between connector and the cylinder assembly and be fixedly connected, said non-circular shaft and non-circular hole can be triangle, cabinet shape, trapezoidal, polygon etc.
Preferably, connect through bolt between said connector and the cylinder assembly, connect through bolt between the cover plate of drive link and the cylinder assembly.
Preferably, said drive link is the regular hexagon axle, and axle is provided with the pin-and-hole groove, is used for connecting through pin and unit head.
Preferably, end joint is the regular hexagon hole under the said connector, has pin-and-hole, is used for connecting through pin and impactor.
Preferably, the inboard of said cover plate central through hole is provided with dust ring.
Preferably, said cover plate is provided with lubricating arrangement, and sliding agent can get into the inboard of cover plate central through hole.
Preferably, be provided with sealing ring between said hollow section and the said drive link, said connector is provided with sealing mat with at the bottom of the hole that impactor connects.
Preferably, be provided with cushion pad between said drive link and the said cover plate.
The utility model also provides a kind of rig, comprises above-mentioned any described shock absorber of technical scheme.
The beneficial effect that the utility model brings is: rig is when creeping into; Because the center of said connector and said drive link point-blank, shock absorber adopts the mode in non-circular shaft or hole to connect convenient and fast connection; Can realize bi-directional rotary; The transmission torque is big, and the torsion pass bearing pin is not born the effect of transmitting torsion, thereby has improved application life and reliability, the stability of torsion pass bearing pin and shock absorber.To have cushion stroke big and scope is adjustable, advantage of wide range of application for the structure of this shock absorber in addition.
A kind of preferred embodiment in, connect through bolt between said connector and the cylinder assembly, connect through bolt between the cover plate of drive link and the cylinder assembly, the structure of shock absorber for decomposing fully, maintenance and inspection are convenient.
In another preferred embodiment, end joint is a regular hexagon under said drive link and the connector, and convenient and fast connection has realized bi-directional rotary, and it is big to transmit torque.
In preferred embodiment, the inboard of said cover plate central through hole is provided with dust ring, and said cover plate is provided with lubricating arrangement, can protect shock absorber effectively, improves its application life; Be provided with sealing ring between said hollow section and the said drive link, said connector is provided with sealing mat with at the bottom of the hole that impactor connects, can improve the sealing of shock absorber, thereby improves the drilling efficiency of impactor; Be provided with cushion pad between said drive link and the said cover plate, can make the vibration that is delivered to unit head littler, strengthen the effectiveness in vibration suppression of shock absorber.
Description of drawings
Fig. 1 is the structural representation of the embodiment shock absorber of the utility model;
Fig. 2 is the vertical view of embodiment shock absorber;
Fig. 3 is the upward view of embodiment shock absorber.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
At Fig. 1-shock absorber shown in Figure 3, comprise the connector 10 that is connected with impactor, drive link 1, groups of springs 7, the cover plate 4 that connects with unit head and the cylinder assembly 6 that is connected said connector 10 and said drive link 1, the employing bolt connects between the cover plate 4 of connector 10 and cylinder assembly 6, drive link 1 and the cylinder assembly 6; Drive link 1 and connector 10 axially have a central through hole, be movable the connection between the cover plate 4 of drive link 1 and cylinder assembly 6 and drive link 1, drive link 1 is the regular hexagon axle; Drive link 1 is provided with pin-and-hole groove 12; Can connect through bearing pin and drill power head, drive link 1 lower end is provided with the spring baffle ring of protrusion, and 10 times end joints of connector are the regular hexagon hole; Have pin-and-hole 13 at edge near the hole; Can connect through the impactor of bearing pin and rig, center, connector 10 upper end is provided with the hollow section 9 of protrusion, and insert in the central through hole of drive link 1 on the top of hollow section 9; More excellent ground; The external diameter of hollow section 9 is slightly less than the central through hole internal diameter of drive link 1, and its dimensional requirement meets mechanical fitting allowance requirement, and less tolerance more can ensure the sealing performance of shock absorber; Between drive link and connector, be provided with groups of springs 7, groups of springs 7 is positioned at the peripheral of hollow section 9 and contacts with connector 10 with drive link 1.Cover plate 4 is provided with dust ring 2 and lubricating arrangement 3, and dust ring 2 is positioned at the inboard of central through hole, and sliding agent can get into the inboard of cover plate central through hole through through hole, and drive link 1 is lubricated.Between the lower end of drive link 1 and said hollow section 9, be provided with sealing ring 8, make good seal between hollow section 9 and the said drive link 1; Connector 10 is provided with sealing mat 11 with at the bottom of the hole that the rig impactor connects, and shock absorber is sealed.Be provided with cushion pad 5 between drive link 1 and the said cover plate 4.
This shock absorber device in use has the traveling of unit head rig to construction location; The force-output shaft bearing pin position of drill power head and pin-and-hole groove 12 positions on the drive link 1 are supporting, with bearing pin end joint on the drive link 1 of said shock absorber are connected with the force-output shaft of drill power head; Pin-and-hole position on the pin-and-hole of borer drill rod and the connector 10 is supporting, and from the joint, connector 10 lower end of shock absorber, with bearing pin and sealing mat 11 that shock absorber and drilling rod grafting is fixing, the front end of drilling rod is equipped with the down-the-hole hammer; Can start rig work after connecting.Behind the alignment hole position, start drill power head, through drive link 1 and connector 10 driving drilling rods, the clockwise or anticlockwise rotation of down-the-hole hammer of shock absorber, behind the alignment hole position, while the down-the-hole hammer rotates to underground high-frequency percussion drilling; Punch to desired depth, unit head upwards promotes, and the drive link 1 of shock absorber drives drilling rod with connector 10 and the down-the-hole hammer also is promoted to ground thereupon, accomplishes punching.
[0025] the above is merely the preferred embodiment of the utility model, but the utility model is not had any type of restriction, for a person skilled in the art, various changes and variation can be arranged.All within spirit and principle that the utility model claim limits, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. a shock absorber is used for rig, and it axially has central through hole; Drive link, groups of springs, cover plate that comprises the connector that is connected with impactor, connects with unit head and the cylinder assembly that is connected said connector and said drive link is characterized in that, are fixedly connected between the cover plate of connector and cylinder assembly, drive link and the cylinder assembly; Connects for movable between the cover plate of drive link and cylinder assembly and drive link, said drive link is a non-circular shaft, spool is provided with the pin-and-hole groove; The drive link lower end is provided with the spring baffle ring of protrusion; End joint is a non-circular hole under the said connector, has pin-and-hole near the edge in hole, and center, connector upper end is provided with the hollow section of protrusion; Insert in the central through hole of drive link on the top of hollow section, and the hollow section of said groups of springs between drive link and connector is peripheral.
2. shock absorber according to claim 1 is characterized in that: connect through bolt between said connector and the cylinder assembly, connect through bolt between the cover plate of drive link and the cylinder assembly.
3. shock absorber according to claim 1 is characterized in that: said drive link is the regular hexagon axle, and axle is provided with the pin-and-hole groove, is used for connecting through bearing pin and unit head.
4. shock absorber according to claim 1 is characterized in that: end joint is the regular hexagon hole under the said connector, has pin-and-hole, is used for connecting through bearing pin and impactor.
5. shock absorber according to claim 1 is characterized in that: the inboard of said cover plate central through hole is provided with dust ring.
6. shock absorber according to claim 1 is characterized in that: said cover plate is provided with lubricating arrangement, and sliding agent can get into the inboard of cover plate central through hole.
7. shock absorber according to claim 1 is characterized in that: be provided with sealing ring between said hollow section and the said drive link, said connector is provided with sealing mat with at the bottom of the hole that impactor connects.
8. shock absorber according to claim 1 is characterized in that: be provided with cushion pad between said drive link and the said cover plate.
9. a rig is characterized in that: comprise any described shock absorber of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120120603 CN202100210U (en) | 2011-04-22 | 2011-04-22 | Drilling rig and vibration damper thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120120603 CN202100210U (en) | 2011-04-22 | 2011-04-22 | Drilling rig and vibration damper thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100210U true CN202100210U (en) | 2012-01-04 |
Family
ID=45386226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120120603 Expired - Lifetime CN202100210U (en) | 2011-04-22 | 2011-04-22 | Drilling rig and vibration damper thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100210U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146773A (en) * | 2011-04-22 | 2011-08-10 | 湖南山河智能机械股份有限公司 | Drilling machine shock absorber and using method thereof |
| CN102979463A (en) * | 2012-11-11 | 2013-03-20 | 陈海斌 | Damping device for cutting drilling machine unit head |
| CN102996072A (en) * | 2012-12-27 | 2013-03-27 | 陈海斌 | Multifunctional cutting drilling machine |
| CN104841965A (en) * | 2015-06-15 | 2015-08-19 | 袁燕萍 | Drilling apparatus with guiding of guide rod |
| CN109578506A (en) * | 2019-01-18 | 2019-04-05 | 柳州力通车用空调有限公司 | Damper |
| CN112593866A (en) * | 2020-12-16 | 2021-04-02 | 山河智能装备股份有限公司 | Buffer device of large-diameter down-the-hole hammer drill power head |
-
2011
- 2011-04-22 CN CN 201120120603 patent/CN202100210U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146773A (en) * | 2011-04-22 | 2011-08-10 | 湖南山河智能机械股份有限公司 | Drilling machine shock absorber and using method thereof |
| CN102979463A (en) * | 2012-11-11 | 2013-03-20 | 陈海斌 | Damping device for cutting drilling machine unit head |
| CN102996072A (en) * | 2012-12-27 | 2013-03-27 | 陈海斌 | Multifunctional cutting drilling machine |
| CN102996072B (en) * | 2012-12-27 | 2015-04-29 | 陈海斌 | Multifunctional cutting drilling machine |
| CN104841965A (en) * | 2015-06-15 | 2015-08-19 | 袁燕萍 | Drilling apparatus with guiding of guide rod |
| CN109578506A (en) * | 2019-01-18 | 2019-04-05 | 柳州力通车用空调有限公司 | Damper |
| CN112593866A (en) * | 2020-12-16 | 2021-04-02 | 山河智能装备股份有限公司 | Buffer device of large-diameter down-the-hole hammer drill power head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202100210U (en) | Drilling rig and vibration damper thereof | |
| CN102146773A (en) | Drilling machine shock absorber and using method thereof | |
| CN104499941B (en) | Method of longitudinal vibration of drilling string is converted into the device of drill bit torsional pulse | |
| CN101864907B (en) | Vibration damper and downhole drill comprising the same | |
| CN101827996B (en) | Drill-string shock absorbers | |
| CN102140893B (en) | Magnetorheological intelligent drilling vibration damper | |
| CN101624898B (en) | Rock-entering vibrating device for rotary drilling machine | |
| CN102979463B (en) | A kind of damping device for cutting drill unit head | |
| WO2009135248A1 (en) | Drilling apparatus | |
| CN103321569A (en) | Cam type high-frequency percussion well drilling tool | |
| CN202381079U (en) | Inclining-measuring pup joint combination damping device for wireless directional inclinometer | |
| CN201144637Y (en) | Power head with shock-absorbing device | |
| CN201714316U (en) | Rubber shock absorber | |
| CN202380977U (en) | Anti-fatigue short joint for gas drilling column | |
| CN202157745U (en) | Screw drilling tool transmission shaft assembly with vibration reduction function | |
| CN204326969U (en) | Method of longitudinal vibration of drilling string is converted into the device of drill bit torsional pulse | |
| CN102410012A (en) | Combined damping system and device for inclination measuring cartridge of wireless drilling inclinometer | |
| CN102505923A (en) | Shock absorber of drill string | |
| CN203066854U (en) | Power head buffering device and rotary drilling rig | |
| CN106050161A (en) | Heavy shock absorber for drilling operation | |
| EP2578795A1 (en) | Damper unit and drill string system comprising such a damper unit | |
| CN208578518U (en) | Drilling speed tool | |
| CN101608532A (en) | Down-the-hole drill and shock absorber thereof | |
| CN208518596U (en) | A kind of spin drilling tool | |
| CN205858208U (en) | A kind of drillng operation heavy type amortisseur |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |