CN204899767U - A universal three -jaw top borer for pushing up tight device - Google Patents
A universal three -jaw top borer for pushing up tight device Download PDFInfo
- Publication number
- CN204899767U CN204899767U CN201520697899.7U CN201520697899U CN204899767U CN 204899767 U CN204899767 U CN 204899767U CN 201520697899 U CN201520697899 U CN 201520697899U CN 204899767 U CN204899767 U CN 204899767U
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- pedestal
- drill
- locator
- fixator
- hemisphere
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Abstract
The utility model provides a drill bit was stretched, and one back -off semicircular locator (3) is gone up to base 1, and locator (3) rely on fixer (2) to fix on base (1) that an universal three -jaw top borer for pushing up tight device, by base (1), fixer (2), locator (3) are constituteed, and wherein install on the arm of drill carriage drill boom rock drill end base (1), and its center part is hollow, can supply the rock drill. Effectually solved current drill carriage drill boom rock drill and punch the difficulty because the tight strength in top is not enough, the operation is inconvenient, and the low scheduling problem of positioning accuracy has used three -jaw top borer, and the base be solid semicircle ball, has improved holistic intensity, can realize bearing great top tightly to do all can, including the three -jaw contains the drill bit, has eliminated eccentric power of the production of rock drill when the operation effectively, has improved the holistic rigidity of arm.
Description
Technical field
The present invention relates to a kind of mechanical mechanism, particularly relate to a kind of universal three-jaw top pricker for holding device.
Background technology
According to coal industry development " 12 " planning, by 2015, Chinese large-sized coal mining machinery degree will reach more than 95%, and medium size coal mine automaticity also has and significantly promotes.In China coal mine under the unified-allocation system and new well construction, have a large amount of stone head developings and headwork every year, the automaticity of digging device has become the principal element that production capacity is improved in restriction colliery.
At present, the hammer drill holding device of the drill carriage on domestic and international market mostly is monodactyle top pricker, because body dimensions is large, punching section is uneven, mechanical arm rigidity is inadequate, the stressed reason such as larger of top pricker, and drill carriage drill boom hammer drill ubiquity drilling rod location difficulty even cannot be located, operate inconvenience, the problem of inefficiency, makes the production efficiency of stone head drilling operation be subject to very large restriction.
Summary of the invention
The technical problem that the present invention mainly solves is to provide one and makes drill carriage drill boom hammer drill easy and simple to handle, the universal three-jaw top pricker that reliable and stable and positioning precision is high.
For realizing efficient, stable, the holding out against and locating of drill carriage drill boom hammer drill end reliably, the invention provides a kind of universal three-jaw top pricker for holding device, by pedestal 1, fixator 2, locator 3 forms, and wherein pedestal 1 is arranged on the mechanical arm of drill carriage drill boom hammer drill end, its centre is hollow, can extend through for the drill bit of hammer drill, the semicircular locator 3 of back-off one on pedestal 1, locator 3 relies on fixator 2 to be fixed on pedestal 1.Drill carriage drill bit passes through from the centre of sphere of universal three-jaw top pricker, so just achieves three-jaw top pricker to the containing of drill bit.
Pedestal 1, by holder 1-1, supports hemisphere 1-2, base threaded bore 1-3, and pedestal holds boring 1-4 composition.Wherein, holder 1-1 is mainly used to realize drill carriage drill boom hammer drill and holds out against special universal three-jaw top pricker and be connected with drill carriage mechanical arm, holder 1-1 is arranged on the end of drill carriage drill boom, a hemispheric support hemisphere 1-2 is arranged at its top, the centre of sphere place supporting hemisphere has one to run through holder 1-1 and supports the columniform pedestal appearance boring 1-4 of hemisphere 1-2, pedestal holds boring 1-4 and is mainly used to the containing realizing pedestal 1 pair of drill carriage drill bit, can make drill bit wherein the heart freely pass through, and then realize three-jaw top pricker to the containing of drill carriage drill bit, to strengthen overall stability.Around support hemisphere 1-2, be evenly arranged several base threaded bore 1-3, base threaded bore 1-3 is used for realizing the installation of fixator 2 on pedestal 1.
Fixator 2 is by fixator pedestal 2-1, fixed mount 2-2, and fixator unthreaded hole 2-3 forms.Wherein, intrinsic fixed mount 2-2 on fixator pedestal 2-1, fixed mount 2-2 is one section of hollow hemisphere, hemispheroidal internal diameter is identical with the external diameter of place kick 3-1, its centre of sphere overlaps with the centre of sphere supporting hemisphere 1-2, and locator 3 can be fixed on pedestal 1 and to guarantee that it is in the cofree rotation of pedestal 1 by fixed mount 2-2.The surrounding of fixed mount 2-2 is evenly arranged the fixator unthreaded hole 2-3 identical with base threaded bore 1-3 number, in order to realize fixing between fixator 2 and pedestal 1.
Locator 3 is by place kick 3-1, locating detent 3-2, and locator holds boring 3-3 composition.Wherein place kick 3-1 is a hollow hemisphere, and its sphere internal diameter is identical with the external diameter supporting hemisphere 1-2, and external diameter is identical with the internal diameter of fixed mount 2-2, and such place kick 3-1 can be buckled in and supports on hemisphere 1-2 and be fixed on pedestal 1 by fixator 2.Because place kick 3-1 is a hollow hemisphere, therefore locator 3 can rotate freely relative to pedestal, and the angle of rotating is determined by the size of the hemisphere of place kick 3-1.Equally, also have a columniform locator to hold boring 3-3 at the end of place kick 3-1, the diameter in its hole holds boring 1-4 slightly larger than pedestal, is used for realizing to the containing of drill bit and prevents when locator 3 freely rotates locator 3 and drill bit from interfering.Place kick 3-1 has the locating detent 3-2 that three uniform, and locating detent 3-2 can hold out against the work plane of bore operation when hammer drill works, and then ensures compression and the location of drilling rod.
Effect of the present invention is: (1) effectively solves current drill carriage drill boom hammer drill owing to holding out against strength punching difficulty not, operation inconvenience, the low inferior problem of positioning precision; (2) employ three-jaw top pricker, and pedestal is solid semi-round ball, improves overall intensity, can realize bearing larger pressure; (3), in drill bit is included in by three-jaw, effectively eliminate the eccentric force of hammer drill generation operationally, improve the rigidity of mechanical arm entirety.
Accompanying drawing explanation
Fig. 1 is the overall assembling drawing of a kind of universal three-jaw top pricker for holding device of the present invention;
Fig. 2 is a kind of universal three-jaw top pricker pedestal front view for holding device of the present invention;
Fig. 3 is a kind of universal three-jaw top pricker pedestal right view for holding device of the present invention;
Fig. 4 is the front view of a kind of universal three-jaw top pricker fixator for holding device of the present invention;
Fig. 5 is the right view of a kind of universal three-jaw top pricker fixator for holding device of the present invention;
Fig. 6 is the front view of a kind of universal three-jaw top pricker locator for holding device of the present invention;
Fig. 7 is the right view of a kind of universal three-jaw top pricker locator for holding device of the present invention;
Fig. 8 is the left view of a kind of universal three-jaw top pricker locator for holding device of the present invention;
Fig. 9 is a kind of universal three-jaw top pricker general assembly schematic diagram for holding device of the present invention.
Specific embodiment
By reference to the accompanying drawings the specific embodiment of the present invention is described.
A kind of drill carriage drill boom hammer drill holds out against special universal three-jaw top pricker, by pedestal 1, fixator 2, locator 3 forms, wherein pedestal 1 is arranged on the mechanical arm of drill carriage drill boom hammer drill end, and its centre is hollow, can extend through for the drill bit of hammer drill, the semicircular locator 3 of back-off one on pedestal 1, locator 3 relies on fixator 2 to be fixed on pedestal 1.Drill carriage drill bit passes through from the centre of sphere of universal three-jaw top pricker, so just achieves three-jaw top pricker to the containing of drill bit.
Pedestal 1, by holder 1-1, supports hemisphere 1-2, base threaded bore 1-3, and pedestal holds boring 1-4 composition.Wherein, holder 1-1 is mainly used to realize drill carriage drill boom hammer drill and holds out against special universal three-jaw top pricker and be connected with drill carriage mechanical arm, holder 1-1 is arranged on the end of drill carriage drill boom, a hemispheric support hemisphere 1-2 is arranged at its top, the centre of sphere place supporting hemisphere has one to run through holder 1-1 and supports the columniform pedestal appearance boring 1-4 of hemisphere 1-2, pedestal holds boring 1-4 and is mainly used to the containing realizing pedestal 1 pair of drill carriage drill bit, can make drill bit wherein the heart freely pass through, and then realize three-jaw top pricker to the containing of drill carriage drill bit, to strengthen overall stability.Around support hemisphere 1-2, be evenly arranged several base threaded bore 1-3, base threaded bore 1-3 is used for realizing the installation of fixator 2 on pedestal 1.
Fixator 2 is by fixator pedestal 2-1, fixed mount 2-2, and fixator unthreaded hole 2-3 forms.Wherein, intrinsic fixed mount 2-2 on fixator pedestal 2-1, fixed mount 2-2 is one section of hollow hemisphere, hemispheroidal internal diameter is identical with the external diameter of place kick 3-1, its centre of sphere overlaps with the centre of sphere supporting hemisphere 1-2, and locator 3 can be fixed on pedestal 1 and to guarantee that it is in the cofree rotation of pedestal 1 by fixed mount 2-2.The surrounding of fixed mount 2-2 is evenly arranged the fixator unthreaded hole 2-3 identical with base threaded bore 1-3 number, in order to realize fixing between fixator 2 and pedestal 1.
Locator 3 is by place kick 3-1, locating detent 3-2, and locator holds boring 3-3 composition.Wherein place kick 3-1 is a hollow hemisphere, and its sphere internal diameter is identical with the external diameter supporting hemisphere 1-2, and external diameter is identical with the internal diameter of fixed mount 2-2, and such place kick 3-1 can be buckled in and supports on hemisphere 1-2 and be fixed on pedestal 1 by fixator 2.Because place kick 3-1 is a hollow hemisphere, therefore locator 3 can rotate freely relative to pedestal, and the angle of rotating is determined by the size of the hemisphere of place kick 3-1.Equally, also have a columniform locator to hold boring 3-3 at the end of place kick 3-1, the diameter in its hole holds boring 1-4 slightly larger than pedestal, is used for realizing to the containing of drill bit and prevents when locator 3 freely rotates locator 3 and drill bit from interfering.Place kick 3-1 has the locating detent 3-2 that three uniform, and locating detent 3-2 can hold out against the work plane of bore operation when hammer drill works, and then ensures compression and the location of drilling rod.
In work, first universal three-jaw top pricker is arranged on the drill boom end of drill carriage drill boom hammer drill, and drill bit is put in appearance boring 1-4 as accompanying drawing 9.Drill boom is run to the place of specifying, and progressively hold out against section.Now the locating detent 3-2 of three-jaw top pricker starts from section contact.Because the shape of section is uneven, therefore may first have a locating detent 3-2 first to contact section, drill boom continues to hold out against forward.Along with holding out against of drill boom, place kick 3-1 can produce a rotation relative to pedestal 1, under the state holding out against section at previous locating detent 3-2 like this, second locating detent 3-2 moves forward until hold out against section, under the effect of drill boom pressure, place kick 3-1 continues to rotate subsequently, until the 3rd locating detent 3-2 holds out against section, so just achieve three locating detent 3-2 and drill bit is surrounded and the work holding out against section.
The front end of the locating detent 3-2 of universal three-jaw top pricker is in a plane time initial, and when section is plane, three locating detent 3-2 can contact with section simultaneously hold out against, and when section is uneven, universal three-jaw top pricker as noted abovely progressively can hold out against section.When the hump of section is large with trench phase declinate, universal three-jaw top pricker is the precision guaranteeing to locate and automatically gives up the locating detent 3-2 that can produce larger deflection and adopt two pawl top prickers location, certainly also can manually adjust, by universal three-jaw top pricker around bit, select suitable position location to improve overall positioning precision.
Claims (1)
1. the universal three-jaw top pricker for holding device, by pedestal (1), fixator (2), locator (3) forms, wherein pedestal (1) is arranged on the mechanical arm of drill carriage drill boom hammer drill end, its centre is hollow, can extend through for the drill bit of hammer drill, back-off semicircular locator (3) on pedestal 1, locator (3) relies on fixator (2) to be fixed on pedestal (1), it is characterized in that: pedestal (1) is by holder (1-1), support hemisphere (1-2), base threaded bore (1-3), pedestal holds boring (1-4) composition, wherein, holder (1-1) is used for realizing drill carriage drill boom hammer drill and holds out against special universal three-jaw top pricker and be connected with drill carriage mechanical arm, holder (1-1) is arranged on the end of drill carriage drill boom, a hemispheric support hemisphere (1-2) is arranged at its top, the centre of sphere place supporting hemisphere has one to run through holder (1-1) and supports columniform pedestal appearance boring (1-4) of hemisphere (1-2), pedestal holds boring (1-4) and is mainly used to realize pedestal (1) to the containing of drill carriage drill bit, can make drill bit wherein the heart freely pass through, and then realize three-jaw top pricker to the containing of drill carriage drill bit, to strengthen overall stability, several base threaded bore (1-3) is evenly arranged around support hemisphere (1-2), base threaded bore (1-3) is used for realizing the installation of fixator (2) on pedestal (1), fixator (2) is by fixator pedestal (2-1), fixed mount (2-2), fixator unthreaded hole (2-3) forms, wherein, the upper intrinsic fixed mount (2-2) of fixator pedestal (2-1), fixed mount (2-2) is one section of hollow hemisphere, hemispheroidal internal diameter is identical with the external diameter of place kick (3-1), its centre of sphere overlaps with the centre of sphere supporting hemisphere (1-2), locator (3) can be fixed on pedestal (1) and go up and guarantee that it is in pedestal (1) cofree rotation by fixed mount (2-2), the surrounding of fixed mount (2-2) is evenly arranged the fixator unthreaded hole (2-3) identical with base threaded bore (1-3) number, in order to realize fixing between fixator (2) and pedestal (1), locator (3) is by place kick (3-1), locating detent (3-2), locator holds boring (3-3) composition, wherein place kick (3-1) is a hollow hemisphere, its sphere internal diameter is identical with the external diameter supporting hemisphere (1-2), external diameter is identical with the internal diameter of fixed mount (2-2), such place kick (3-1) can be buckled in and supports on hemisphere (1-2) and be fixed on pedestal (1) by fixator (2), a columniform locator is had to hold boring (3-3) at the end of place kick (3-1), the diameter in its hole holds boring (1-4) slightly larger than pedestal, be used for realizing the containing of drill bit and prevent when locator (3) freely rotates locator (3) and drill bit from interfering, place kick (3-1) has the locating detent (3-2) that three uniform, locating detent (3-2) can hold out against the work plane of bore operation when hammer drill works, and then ensure compression and the location of drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520697899.7U CN204899767U (en) | 2015-09-10 | 2015-09-10 | A universal three -jaw top borer for pushing up tight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520697899.7U CN204899767U (en) | 2015-09-10 | 2015-09-10 | A universal three -jaw top borer for pushing up tight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204899767U true CN204899767U (en) | 2015-12-23 |
Family
ID=54921953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520697899.7U Withdrawn - After Issue CN204899767U (en) | 2015-09-10 | 2015-09-10 | A universal three -jaw top borer for pushing up tight device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204899767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113975A (en) * | 2015-09-10 | 2015-12-02 | 河北科技大学 | Universal three-jaw push borer special for holding boom/jumbo rock drill |
-
2015
- 2015-09-10 CN CN201520697899.7U patent/CN204899767U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113975A (en) * | 2015-09-10 | 2015-12-02 | 河北科技大学 | Universal three-jaw push borer special for holding boom/jumbo rock drill |
| CN105113975B (en) * | 2015-09-10 | 2017-03-29 | 河北科技大学 | A kind of drill carriage drill boom rock drill holds out against special universal three-jaw top pricker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20170329 |
|
| AV01 | Patent right actively abandoned |