CN201448074U - Clamping structure for power head hydraulic chuck of driller - Google Patents

Clamping structure for power head hydraulic chuck of driller Download PDF

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Publication number
CN201448074U
CN201448074U CN2009200473368U CN200920047336U CN201448074U CN 201448074 U CN201448074 U CN 201448074U CN 2009200473368 U CN2009200473368 U CN 2009200473368U CN 200920047336 U CN200920047336 U CN 200920047336U CN 201448074 U CN201448074 U CN 201448074U
Authority
CN
China
Prior art keywords
chuck
casing
ring
bearing assembly
cover
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
Application number
CN2009200473368U
Other languages
Chinese (zh)
Inventor
朱利根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Original Assignee
Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd filed Critical Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Priority to CN2009200473368U priority Critical patent/CN201448074U/en
Application granted granted Critical
Publication of CN201448074U publication Critical patent/CN201448074U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a clamping structure for a power head hydraulic chuck of a driller, which is characterized in that a spindle is installed in a box via a bearing assembly. A lower shell of the chuck is tightly fixed with the box. A slip base is connected with the spindle via a key. A butterfly spring is sleeved on the slip base. A ring is disposed between the butterfly spring and the slip base. An annular oil tank is formed between the upper shell of the chuck and a piston via a sealing ring. The inner cavity of the piston is matched with a ring via a plane bearing assembly and is pressed on the upper end of the butterfly spring. A support ring is disposed between the plane bearing assembly and the ring. A chute is disposed on the ring. A slip is installed in the chute. The slip crosses through a square groove on the slip base. The upper shell of the chuck is connected with the lower shell of the chuck. A cover is connected with the upper shell of the chuck. The upper end of the cover is provided with a second cover. The utility model can execute via clamping a big diameter drilling rod, increase the pile diameter, conveniently and rapidly exchange the slip and promote the working efficiency. The clamping fore is big, the pressure can be regulated via adding cushion and the utility model is safe and reliable.

Description

The clamp structure of drill power head oild chuck
Technical field
The utility model relates to the clamp structure of a kind of drill power head with oild chuck, is used for specifically realizing that rig clamps the device that the major diameter drilling rod carries out drilling construction at work progress, belongs to engineering machinery (rig) technical field.
Background technology
At present, increasing along with the infrastructure input, various foundation construction methods emerge in an endless stream, wherein at soft groundsill reinforcing field churning water-stop curtain, job practicess such as rotary churning pile reinforcement bearing capacity obtain the approval and the popularization of industry day by day, but expanded diameter is relevant with the thickness of drilling rod, the most depth as shallow of present rotary churning pile, diameter is little, how to satisfy the construction requirement of heavy caliber rotary churning pile and improve efficiency of construction and become needing when affair, so just to major diameter construction drilling rod, chuck to energy clamping major diameter drilling rod has had more requirement, so the unit head of large through-hole oild chuck has become needing when affair too.Existing chuck technology is traditional ball-jamming type clamp structure on the one hand, need be on drilling rod grooving, versatility is restricted and is inconvenient; Be the chuck of inflated with nitrogen on the other hand, be used on the import rig more, complex structure, cost height.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of can by and clamping major diameter drilling rod construct, strengthen expanded diameter, it is convenient, rapid to change slips, and the drill power head that can the increase work efficiency clamp structure of oild chuck.
The technical scheme that provides according to the utility model, drill power head comprises main shaft with the clamp structure of oild chuck, casing, the chuck lower casing, first lid, the chuck upper casing, piston, slips, second lid, slip spider, cover, support ring, butterfly butterfly spring, the cylinder roller bearing assembly is equipped with at described main shaft step place, and to be installed in the casing by bearing assembly, chuck lower casing and casing are fastening by screw, the holder food tray is equipped with in the bearing assembly lower end, slip spider is connected with main shaft by the card key, and by screw and first the lid be connected, butterfly spring is enclosed within on the slip spider, between butterfly spring and the slip spider ring is housed, packing ring, the chuck upper casing, first sealing ring is housed between the piston, second sealing ring is formed a ring-type oil cylinder, piston cavity cooperates with circle by the plane bearing assembly, and be pressed on the upper end of butterfly spring, between plane bearing assembly and the circle support ring is housed, described circle is provided with skewed slot, slips is housed in the skewed slot, slips passes in the square groove of slip spider, the chuck upper casing is connected with the chuck lower casing by screw, cover is connected with the chuck upper casing by screw, second lid is equipped with in the cover upper end, connects with screw.
On the described chuck lower casing oil sealing being housed seals.On the described slips lubricating cup is housed.
Compared with the prior art the utility model has the following advantages:
The clamping of the utility model chuck is simple in structure, compact; Can by and clamping major diameter drilling rod construct, strengthen expanded diameter, it is convenient, rapidly to change slips, and can increase work efficiency; Chucking power is big, and shimming can be regulated thrust.Adopt the structure that spring clamps, oil pressure unclamps, for normal clamp mechanism, safe and reliable.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
As shown in Figure 1, comprise main shaft 1, holder food tray 2, cylinder roller bearing assembly 3, casing 4, bolt 5, oil sealing 6, chuck lower casing 7, first lid 8, bolt 9, chuck upper casing 10, piston 11, thrust bearing assembly 12, circle 13, slips 14, second lid 15, screw 16, oil connection 17, slip spider 18, lubricating cup 19, cover 20, support ring 21, screw 22, first sealing ring 23, second sealing ring 24, butterfly spring 25, screw 26, packing ring 27, ring 28, card key 29 etc.
Cylinder roller bearing assembly 3 is equipped with at the utility model main shaft 1 step place, and to be installed in the casing 4 by bearing assembly 3, chuck lower casing 7 is fastening by screw 5 with casing 4, and holder food tray 2 is equipped with in bearing assembly 3 lower ends, oil sealing 6 is housed on the chuck lower casing 7 seals.
Slip spider 18 passes through card key 29, is connected with main shaft 1 by screw thread, and is connected by the screw 9 and first lid 8, rises and insures locking functions.
9 butterfly springs 25 are enclosed within on the slip spider 18, accompany ring 28, packing ring 27 between butterfly spring 25 and the slip spider 18, to change as consumable accessory.
First sealing ring 23, second sealing ring, 24 compositions, one ring-type oil cylinder are housed between chuck upper casing 10, the piston 11.Piston 11 inner chambers cooperate with circle 13 by plane bearing assembly 12, are pressed on the upper end of butterfly spring 25 together, between plane bearing assembly 12 and the circle 13 support ring 21 are housed, to change as consumable accessory.
Described circle 13 is provided with three skewed slots, in three skewed slots slips 14 is housed, and slips 14 passes in the square groove of slip spider 18, and lubricating cup 19 is housed on the slips 14.Chuck upper casing 10 is connected with chuck lower casing 7 by screw 26, and the upper end has cover 20 to be connected with chuck upper casing 10 by screw 22, plays the sealing and dustproof effect.Cover 20 upper ends second lid 15 is housed, connect with screw 16.Oil connection 17 is installed on the chuck upper casing, is equivalent to the oil-in of oil cylinder.
The utility model operating principle and the course of work:
Normal condition is a clamped condition: butterfly spring 25 compressing circle 13, and up by thrust bearing assembly 12 compressing pistons 11, because slip spider 18 fixed-site, enclose 13 and draw in to the centre by ramp structure compressing slips 14 when up, thereby compress drilling rod.
Release process: when oil connection 17 enters pressure oil, inner chamber oil-feed between piston 11 and the chuck upper casing 10 (oil-feed of ring-type oil cylinder), compressing piston 11 is descending, further compressing circle 13 is descending by thrust bearing assembly 12, radial dimension can be amplified by enclosing 13 inclined-plane, cause slips 14 to be in releasing orientation.
Chuck is with the realization of main axis rotation: main shaft 1 drives slip spider 18 rotations, and the butterfly spring 25 on the slip spider 18, circle 13, slips 14 compresses is an integral body, realizes rotation synchronously by thrust bearing assembly 12.

Claims (4)

1. the clamp structure of a drill power head oild chuck, it is characterized in that: comprise main shaft (1), casing (4), chuck lower casing (7), first lid (8), chuck upper casing (10), piston (11), slips (14), second lid (15), slip spider (18), cover (20), support ring (21), butterfly spring (25), described main shaft (1) is to be installed in the casing (4) by bearing assembly (3), chuck lower casing (7) is fastening by screw (5) with casing (4) (4), holder food tray (2) is equipped with in bearing assembly (3) lower end, slip spider (18) is connected with main shaft (1) by card key (29), and cover (8) by screw (9) and first and be connected, butterfly spring (25) is enclosed within on the slip spider (18), chuck upper casing (10), first sealing ring (23) is housed between the piston (11), second sealing ring (24) is formed a ring-type oil cylinder, piston (11) inner chamber cooperates with circle (13) by plane bearing assembly (12), and be pressed on the upper end of butterfly spring (25), between plane bearing assembly (12) and the circle (13) support ring (21) is housed, described circle (13) is provided with skewed slot, slips (14) is housed in the skewed slot, slips (14) passes in the square groove of slip spider (18), chuck upper casing (10) is connected with chuck lower casing (7) by screw (26), cover (20) is connected with chuck upper casing (10) by screw (22), lid (15) is equipped with in cover (20) upper end, connects with screw (16).
2. the clamp structure of drill power head oild chuck according to claim 1 is characterized in that being equipped with on the described chuck lower casing (7) oil sealing (6).
3. the clamp structure of drill power head oild chuck according to claim 1 is characterized in that being equipped with on the described described slips (14) lubricating cup (19).
4. the clamp structure of drill power head oild chuck according to claim 1 is characterized in that being equipped with between described butterfly spring (25) and the slip spider (18) ring (28), packing ring (27).
CN2009200473368U 2009-06-25 2009-06-25 Clamping structure for power head hydraulic chuck of driller Expired - Fee Related CN201448074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200473368U CN201448074U (en) 2009-06-25 2009-06-25 Clamping structure for power head hydraulic chuck of driller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200473368U CN201448074U (en) 2009-06-25 2009-06-25 Clamping structure for power head hydraulic chuck of driller

Publications (1)

Publication Number Publication Date
CN201448074U true CN201448074U (en) 2010-05-05

Family

ID=42552789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200473368U Expired - Fee Related CN201448074U (en) 2009-06-25 2009-06-25 Clamping structure for power head hydraulic chuck of driller

Country Status (1)

Country Link
CN (1) CN201448074U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022090A (en) * 2010-12-06 2011-04-20 煤炭科学研究总院西安研究院 Nitrogen spring type drilling machine hydraulic chuck
CN102094585A (en) * 2010-12-14 2011-06-15 张家港市国锋探矿机械有限公司 Hydraulic chuck for core drilling machines
CN102434116A (en) * 2012-01-17 2012-05-02 江苏省无锡探矿机械总厂有限公司 Nitrogen spring type hydraulic chuck
CN102536138A (en) * 2010-12-09 2012-07-04 无锡市安迈工程机械有限公司 Hydraulic chuck of drilling machine
CN102877800A (en) * 2012-10-27 2013-01-16 无锡巨通矿山机械有限公司 Spring type clamp
CN105134106A (en) * 2015-08-18 2015-12-09 安徽贝利机械制造有限公司 Automatic centering hydraulic chuck device for core drills
CN107420053A (en) * 2017-06-30 2017-12-01 南京律智诚专利技术开发有限公司 A kind of drilling platforms rod support mechanism for drilling

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022090A (en) * 2010-12-06 2011-04-20 煤炭科学研究总院西安研究院 Nitrogen spring type drilling machine hydraulic chuck
CN102022090B (en) * 2010-12-06 2011-12-14 煤炭科学研究总院西安研究院 Nitrogen spring type drilling machine hydraulic chuck
CN102536138A (en) * 2010-12-09 2012-07-04 无锡市安迈工程机械有限公司 Hydraulic chuck of drilling machine
CN102094585A (en) * 2010-12-14 2011-06-15 张家港市国锋探矿机械有限公司 Hydraulic chuck for core drilling machines
CN102434116A (en) * 2012-01-17 2012-05-02 江苏省无锡探矿机械总厂有限公司 Nitrogen spring type hydraulic chuck
CN102877800A (en) * 2012-10-27 2013-01-16 无锡巨通矿山机械有限公司 Spring type clamp
CN105134106A (en) * 2015-08-18 2015-12-09 安徽贝利机械制造有限公司 Automatic centering hydraulic chuck device for core drills
CN107420053A (en) * 2017-06-30 2017-12-01 南京律智诚专利技术开发有限公司 A kind of drilling platforms rod support mechanism for drilling

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100505

Termination date: 20170625

CF01 Termination of patent right due to non-payment of annual fee