CN203257347U - Chuck of drill rod of drilling machine - Google Patents
Chuck of drill rod of drilling machine Download PDFInfo
- Publication number
- CN203257347U CN203257347U CN 201320283726 CN201320283726U CN203257347U CN 203257347 U CN203257347 U CN 203257347U CN 201320283726 CN201320283726 CN 201320283726 CN 201320283726 U CN201320283726 U CN 201320283726U CN 203257347 U CN203257347 U CN 203257347U
- Authority
- CN
- China
- Prior art keywords
- ring
- slotted eye
- chuck
- shift fork
- locking
- 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 - Fee Related
Links
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model provides a chuck of a drill rod of a drilling machine. Chuck guide sleeves (2) are arranged in a clamping ring (1) and are connected by keys (3); through holes (4) are formed in the walls of the chuck guide sleeves and internally provided with locking balls (5); grooves (6) for realizing the avoidance of the locking balls are arranged on the inner wall surface of the clamping ring, a circular shifting fork piece (8) is arranged on the outer wall surface of the clamping ring, and a gap (8a) of one side wall of the circular shifting fork piece is connected with a supporting arm (9) by a first hinged shaft (10); a boss structure (14) on the other side wall of the circular shifting fork piece is connected with a second hinged shaft (13b) in a hinged shaft assembly (13), a connecting body (13a) in the hinged shaft assembly is connected with a handle lever (11); a positioning plate (15) is arranged, the uuper end of a locking slot (15a) on the positioning plate is lower than the upper end of an unlocking slot (15b), the locking slot is communicated with the lower part of the unlocking slot, the upper end of the locking slot has a clamping table structure (15c) acting on the lever arm of the handle lever (11), and the lever arm of the handle lever is positioned in the locking slot (15a) or the unlocking slot (15b). The drilling rod can be stably, reliably and safely locked.
Description
Technical field:
The utility model relates to the chuck of engineering drilling equipment, specifically a kind of improvement of engineering driller drilling rod chuck.
Background technology
Engineering driller in the market is of a great variety, but it is mostly identical with the chuck structure that unclamps kelly to be used for locking, existing chuck structure is seen Fig. 1, comprise holding ring 1 ', be provided with chuck guide pin bushing 2 ' in the holding ring 1 ', have in the chuck guide pin bushing 2 ' for the endoporus that holds drilling rod, holding ring 1 ' is connected by key 3 ' with chuck guide pin bushing 2 ', and holding ring 1 ' can move up and down along key 3 '; The wall of described chuck guide pin bushing 2 ' is provided with some through holes 4 ' that are on the same circumference, is provided with the steel ball 5 ' for the locking drilling rod in the through hole 4 '; Described holding ring 1 ' internal face is provided with can be that communicate with described through hole 4 ' and satisfy the hole slot 6 ' that steel ball 5 ' is made a concession laterally; The outside wall surface of described holding ring 1 ' connects ring-type shift fork spare 8 ', ring-type shift fork spare 8 ' can drive holding ring 1 ' and move up and down, one sidewall of ring-type shift fork spare 8 ' has a breach 8a ', the sidewall that breach 8a ' locates is connected by hinge 10 ' with support arm 9 ', ring-type shift fork spare 8 ' can be around hinge rotation about in the of 10 ', and the member in the guidance set 7 ' of support arm 9 ' and below is connected; The opposite side connecting handle bar 11 ' of ring-type shift fork spare 8 '.Figure 1 shows that the state when steel ball 5 ' is positioned at through hole 4 ' internal locking drilling rod 12, when upwards pulling handlebar 11 ' in by Fig. 1 shown in the arrow, handlebar 11 ' namely drives ring-type shift fork spare 8 ' and holding ring 1 ' moves up, steel ball 5 ' namely enters the hole slot 6 ' of holding ring 1 ' internal face by moving laterally in the through hole 4 ' on the chuck guide pin bushing 2 ' wall, then unclamp drilling rod 12; When again pulling handlebar 11 ' downwards, namely recover locking state as shown in Figure 1.The deficiency that existing chuck exists is, when locking drilling rod state as shown in Figure 1, handlebar 11 ' is in cantilever and infinite place state, because the rig working environment is more abominable, and rig vibration is frequent in the operation process, is in the handlebar 11 ' of locking state because of reasons such as rig frequent vibration, upwards resilience occurs easily and cause and unclamp unexpectedly drilling rod, unclamp unexpectedly drilling rod even cause work accident, therefore, operational reliability and safety during its locking state are relatively poor.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to propose a kind of chuck that improves the borer drill rod of job stabilization and reliability, can improve the operational security under the locking drilling rod state.
The utility model improves as the basis take prior art, and technical scheme is referring to Fig. 2 to Fig. 4:
Comprise holding ring 1, be provided with chuck guide pin bushing 2 in the holding ring 1, have in the chuck guide pin bushing 2 for the endoporus that holds drilling rod, holding ring 1 is connected by key 3 with chuck guide pin bushing 2, and holding ring 1 can move up and down along key 3 and chuck guide pin bushing 2 outside wall surface;
The wall of described chuck guide pin bushing 2 is provided with some through holes 4 that are on the same circumference, is provided for locking the lock ball 5 of drilling rod in the through hole 4, and described holding ring 1 internal face is provided with can be that communicate with described through hole 4 and satisfy the hole slot 6 that lock ball 5 is made a concession laterally;
The outside wall surface of described holding ring 1 connects ring-type shift fork spare 8, holding ring 1 can move up and down with ring-type shift fork spare 8, one sidewall of ring-type shift fork spare 8 has a breach 8a, the sidewall at breach 8a place is connected by the first hinge 10 with support arm 9, ring-type shift fork spare 8 can be around first hinge rotation about in the of 10, member in the guidance set 7 of support arm 9 and below is connected, or is connected with the member of other setting;
Improved structure is:
Be provided with hinge assembly 13, referring to Fig. 2, Fig. 3, hinge assembly 13 comprises connector 13a and the second hinge 13b that is loaded on the connector 13a, and connector 13a can laterally swing around the second hinge 13b;
Another sidewall of described ring-type shift fork spare 8 is provided with boss structure 14, and referring to Fig. 3, Fig. 7, boss structure 14 is connected with the second hinge 13b in the hinge assembly 13, and the upper connecting handle bar 11 of the connector 13a in the hinge assembly 13 is referring to Fig. 2, Fig. 3;
Be provided with the location-plate 15 that acts on handlebar 11, member in location-plate 15 and the described guidance set 7 or the member that arranges in addition are connected, referring to Fig. 2, location-plate 15 is provided with locking slotted eye 15a and unclamps slotted eye 15b, referring to Fig. 3, Fig. 4, the upper end of locking slotted eye 15a is lower than the upper end of unclamping slotted eye 15b, locking slotted eye 15a communicates with the bottom of unclamping slotted eye 15b, locking slotted eye 15a upper end is for acting on the card platform structure 15c of handlebar 11 lever arms, and the lever arm of handlebar 11 is positioned at locking slotted eye 15a or unclamps slotted eye 15b.
Further be:
Outer end, the breach 8a two side connecting rod 16 of described ring-type shift fork spare 8 is referring to Fig. 2;
Be provided with spring part 17, one end of spring part 17 is connected with described rod member 16, member in the other end of spring part 17 and the described guidance set 7 or the member that arranges in addition are connected, and the active force of spring part 17 can act on by rod member 16, ring-type shift fork spare 8 and hinge assembly 13 lever arm of handlebar 11.
State when Figure 2 shows that this locking chuck drilling rod 12, the lever arm of handlebar 11 are positioned at the locking slotted eye 15a upper end on the location-plate 15, and by stable spacing of card platform structure 15c; When needs unclamp drilling rod, press among Fig. 4 shown in the front, pull to the right rotation of handlebar 11, the lever arm of handlebar 11 namely enters and unclamps slotted eye 15b, until on move to the upper end of unclamping slotted eye 15b, as shown in Figure 6; At this moment, 5 of lock balls namely unclamp drilling rod 12 by mobile and enter in the hole slot 6 of holding ring 1 internal face laterally in the through hole 4 on chuck guide pin bushing 2 walls.
Technique effect of the present utility model is:
1, owing to is provided with the location-plate 15 that acts on handlebar 11, and location-plate 15 is provided with locking slotted eye 15a and unclamps slotted eye 15b, under the state when locking chuck drilling rod 12, the lever arm of handlebar 11 then be positioned on the location-plate 15 locking slotted eye 15a upper end and by stable spacing of card platform structure 15c, the handlebar that has overcome prior art is in the deficiency of cantilever infinite place state, so that the locking process keeps stable and reliable state, the safety that has improved operation process.
2, owing to connected rod member 16 in the end, breach 8a two side of ring-type shift fork spare 8, and be provided with the spring part 17 that is connected with rod member 16, the active force of spring part 17 can act on by rod member 16, ring-type shift fork spare 8 and hinge assembly 13 lever arm of handlebar 11, the first, when the locking chuck drilling rod, because the active force of spring part 17 is so that the lever arm of handlebar 11 produces the trend that moves up, and so that the lever arm of handlebar 11 contacts the card platform structure 15c of locking slotted eye 15a upper end tightly, can further improve stability and the reliability of locking state; It two is, when unclamping drilling rod, handlebar 11 lever arm rotations are being entered when unclamping in the slotted eye 15b, because the active force of spring part 17, handlebar 11 lever arms get final product automatic-ascending to the upper end of unclamping slotted eye 15b, compared with the prior art, having reduced needs to rise to the operation of unclamping slotted eye 15b upper end by manually pulling handlebar 11, has the effect of the corresponding minimizing operating personnel amount of labour.
Description of drawings
Fig. 1 is the structure chart of existing chuck;
Fig. 2 is structure chart of the present utility model, and specifying this figure is Figure of abstract;
Fig. 3 is the structure enlarged drawing at handlebar shown in Fig. 2 11 and ring-type shift fork spare 8 positions;
Fig. 4 is that A has showed a kind of schematic construction of location-plate 15 to dwindling topology view among Fig. 3;
Fig. 5 is the another kind of schematic configuration diagram of location-plate 15;
Fig. 6 is the third schematic configuration diagram of location-plate 15;
Fig. 7 is the plan structure figure of ring-type shift fork spare 8.
The specific embodiment
Comprise holding ring 1, be provided with chuck guide pin bushing 2 in the holding ring 1, have in the chuck guide pin bushing 2 for the endoporus that holds drilling rod, holding ring 1 is connected by key 3 with chuck guide pin bushing 2, and holding ring 1 can move up and down along key 3 and chuck guide pin bushing 2 outside wall surface;
The wall of described chuck guide pin bushing 2 is provided with some through holes 4 that are on the same circumference, and through hole 4 is generally uniform four or six, is provided for locking the lock ball 5 of drilling rod in every through hole 4, and lock ball 5 adopts the hard materials such as steel; Described holding ring 1 internal face is provided with can be that communicate with described through hole 4 and satisfy the hole slot 6 that lock ball 5 is made a concession laterally; In the enforcement, corresponding member adjacency in the bottom of described chuck guide pin bushing 2 and the guidance set of below 7, in the operation, chuck guide pin bushing 2 moves up and down with guidance set 7; The outside wall surface of described holding ring 1 connects ring-type shift fork spare 8, holding ring 1 can move up and down with ring-type shift fork spare 8, one sidewall of ring-type shift fork spare 8 has a breach 8a, the sidewall at breach 8a place is connected by the first hinge 10 with support arm 9, ring-type shift fork spare 8 can be around first hinge rotation about in the of 10, member in the guidance set 7 of support arm 9 and below is connected, in shown in Figure 2, support arm 9 has been made one with the member in the guidance set 7, support arm 9 also can be component form independently and is connected with member in the guidance set 7, or is connected with the member of other setting;
Be provided with hinge assembly 13, hinge assembly 13 comprises connector 13a and the second hinge 13b that is loaded on the connector 13a, and referring to Fig. 3, connector 13a can laterally swing around the second hinge 13b, the structure of hinge assembly 13 is not unique, and shown in Figure 3 only is wherein a kind of;
The sidewall that the above has described ring-type shift fork spare 8 has a breach 8a, another sidewall of ring-type shift fork spare 8 is provided with boss structure 14, referring to Fig. 3, Fig. 7, boss structure 14 is connected with the second hinge 13b in the hinge assembly 13, the upper connecting handle bar 11 of connector 13a in the hinge assembly 13, referring to Fig. 2, Fig. 3, handlebar 11 and connector 13a can laterally swing around the second hinge 13b, to satisfy handlebar 11 at locking slotted eye 15a or to unclamp rotation transposition in the slotted eye 15b;
Be provided with the location-plate 15 that acts on handlebar 11, member in location-plate 15 and the described guidance set 7 or the member that arranges in addition are connected, location-plate 15 is provided with locking slotted eye 15a and unclamps slotted eye 15b, the upper end of locking slotted eye 15a is lower than the upper end of unclamping slotted eye 15b, locking slotted eye 15a communicates with the bottom of unclamping slotted eye 15b, locking slotted eye 15a upper end is for acting on the card platform structure 15c of handlebar 11 lever arms, and the lever arm of handlebar 11 is positioned at locking slotted eye 15a or unclamps slotted eye 15b; Described card platform structure 15c has the various structures form, and card platform structure 15c as shown in Figure 4 is horizontal planar field card platform structure; Also can be female type card platform structure, card platform structure 15c as shown in Figure 5 is circular-arc female type structure, card platform structure 15c as shown in Figure 6 is angular shape female type structure, and when being female type card platform structure, locking the upper end of slotted eye 15a and unclamping has retaining wall 15d between the slotted eye 15b.
Outer end, the breach 8a two side connecting rod 16 of described ring-type shift fork spare 8 is referring to Fig. 2;
Be provided with spring part 17, an end of spring part 17 is connected with described rod member 16, and the member in the other end of spring part 17 and the described guidance set 7 or the member that arranges in addition are connected.
Fig. 7 has showed the structure of ring-type shift fork spare 8, and has schematically showed holding ring 1, and ring-type shift fork spare 8 is not unique with the connected mode of holding ring 1, and Fig. 7 has showed a kind of form of structure that adopts screw 18 connection ring-type shift fork spares 8 and holding ring 1.
Various enforcement structures described in the applicant statement, the specific embodiment and any distressed structure of technical solutions of the utility model all belonged to protection domain of the present utility model.
Claims (3)
1. the chuck of a borer drill rod, comprise holding ring (1), be provided with chuck guide pin bushing (2) in the holding ring (1), have in the chuck guide pin bushing (2) for the endoporus that holds drilling rod, holding ring (1) is connected by key (3) with chuck guide pin bushing (2), and holding ring (1) can move up and down along key (3) and chuck guide pin bushing (2) outside wall surface;
The wall of described chuck guide pin bushing (2) is provided with some through holes (4) that are on the same circumference, be provided with the lock ball (5) for the chucking drilling rod in the through hole (4), described holding ring (1) internal face be provided with can communicate with described through hole (4) and satisfy the hole slot (6) that lock ball (5) is made a concession laterally;
The outside wall surface of described holding ring (1) connects ring-type shift fork spare (8), ring-type shift fork spare (8) can drive holding ring 1 and move up and down, one sidewall of ring-type shift fork spare (8) has a breach (8a), the sidewall that breach (8a) is located is connected by the first hinge (10) with support arm 9, ring-type shift fork spare (8) can be around up and down rotation of the first hinge (10), member in the guidance set (7) of support arm (9) and below is connected, or is connected with the member of other setting;
It is characterized in that:
Be provided with hinge assembly (13), hinge assembly (13) comprises connector (13a) and is loaded on the second hinge (13b) on the connector (13a) that connector (13a) can laterally swing around the second hinge (13b);
Another sidewall of described ring-type shift fork spare (8) is provided with boss structure (14), and boss structure (14) is connected with described the second hinge (13b), the upper connecting handle bar (11) of described connector (13a);
Be provided with the location-plate (15) that acts on handlebar (11), member in location-plate (15) and the described guidance set (7) or the member that arranges in addition are connected, location-plate (15) is provided with locking slotted eye (15a) and unclamps slotted eye (15b), the upper end of locking slotted eye (15a) is lower than the upper end of unclamping slotted eye (15b), locking slotted eye (15a) communicates with the bottom of unclamping slotted eye (15b), locking slotted eye (15a) upper end is for acting on the card platform structure (15c) of handlebar (11) lever arm, and the lever arm of described handlebar (11) is positioned at locking slotted eye (15a) or unclamps slotted eye (15b).
2. the chuck of a kind of borer drill rod according to claim 1 is characterized in that described card platform structure (15c) is horizontal planar field card platform structure or female type card platform structure.
3. the chuck of a kind of borer drill rod according to claim 1 and 2, breach (8a) the sidewall outer end connecting rod (16) that it is characterized in that ring-type shift fork spare (8), be provided with spring part (17), one end of spring part (17) is connected with described rod member (16), and the member in the other end of spring part (17) and the described guidance set (7) or the member that arranges in addition are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320283726 CN203257347U (en) | 2013-05-23 | 2013-05-23 | Chuck of drill rod of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320283726 CN203257347U (en) | 2013-05-23 | 2013-05-23 | Chuck of drill rod of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257347U true CN203257347U (en) | 2013-10-30 |
Family
ID=49469924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320283726 Expired - Fee Related CN203257347U (en) | 2013-05-23 | 2013-05-23 | Chuck of drill rod of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257347U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556958A (en) * | 2013-11-13 | 2014-02-05 | 长沙探矿机械厂 | Clamping structure for core drilling machine |
| CN104074482A (en) * | 2014-06-13 | 2014-10-01 | 江苏如通石油机械股份有限公司 | Elevator spider |
| CN106401504A (en) * | 2016-10-31 | 2017-02-15 | 江苏恒达机械制造有限公司 | Novel manual anti-ejecting slip |
-
2013
- 2013-05-23 CN CN 201320283726 patent/CN203257347U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556958A (en) * | 2013-11-13 | 2014-02-05 | 长沙探矿机械厂 | Clamping structure for core drilling machine |
| CN103556958B (en) * | 2013-11-13 | 2016-08-03 | 长沙探矿机械厂 | A kind of core-drill(ing) machine clamp structure |
| CN104074482A (en) * | 2014-06-13 | 2014-10-01 | 江苏如通石油机械股份有限公司 | Elevator spider |
| CN104074482B (en) * | 2014-06-13 | 2016-08-24 | 江苏如通石油机械股份有限公司 | Elevator spider |
| CN106401504A (en) * | 2016-10-31 | 2017-02-15 | 江苏恒达机械制造有限公司 | Novel manual anti-ejecting slip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203257347U (en) | Chuck of drill rod of drilling machine | |
| CN201284770Y (en) | Slewing lock used for slewing mechanism | |
| CN205393612U (en) | Copper pipe punch hole technology isolated plant | |
| CN101812978B (en) | Inclined wedge type clamp | |
| CN204436286U (en) | A kind of Novel drill rod carries leading-in device safely | |
| CN203602258U (en) | Rotary locking pin sleeve, rotary locking device and crawler-type dynamic compactor | |
| CN202180237U (en) | Special tool for drilling side cover | |
| CN106401478A (en) | Main machine assembly structure of coal mine drilling machine | |
| CN103962869B (en) | Monaural supports drilling tool | |
| CN217028762U (en) | Top cover structure of multifunctional ladder | |
| CN204471002U (en) | A kind of major axis class knuckle Novel boring grab | |
| CN205895176U (en) | Improved generation mounting structure of rig holder | |
| CN202023515U (en) | Clamping device for pipe-grabbing crane | |
| CN213410430U (en) | Positioning tool for drilling of die parts | |
| CN218624128U (en) | Manipulator and raise boring machine | |
| CN220353823U (en) | Quick-switching connection square head | |
| US2805073A (en) | Detachable self locking driving device | |
| CN206047146U (en) | A kind of gang drill machine tool | |
| CN204711250U (en) | The pneumatic drill bit locking device of double rotating disc type automatic drilling machine | |
| CN205165972U (en) | Axle head drilling frock | |
| CN206632418U (en) | Float grease seal seat positioning tool | |
| CN204771655U (en) | Rectangle work piece presss from both sides tight positioner | |
| CN221396907U (en) | A open word formula frock for not rowing and boring ring gear hoist and mount | |
| CN205057130U (en) | Drilling tool | |
| CN203556912U (en) | Combined drilling mold used for drilling and processing work piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |