CN101892812A - Reciprocating drill or electric drill support - Google Patents

Reciprocating drill or electric drill support Download PDF

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Publication number
CN101892812A
CN101892812A CN 201010244810 CN201010244810A CN101892812A CN 101892812 A CN101892812 A CN 101892812A CN 201010244810 CN201010244810 CN 201010244810 CN 201010244810 A CN201010244810 A CN 201010244810A CN 101892812 A CN101892812 A CN 101892812A
Authority
CN
China
Prior art keywords
drill
bolt
electric drill
steel plate
screw rod
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.)
Granted
Application number
CN 201010244810
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Chinese (zh)
Other versions
CN101892812B (en
Inventor
谢良波
刘群
张心忠
张明礼
尚丁套
同岁虎
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.)
ZHONGTAI CONSTRUCTION GROUP CO Ltd
Original Assignee
ZHONGTAI CONSTRUCTION GROUP 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 ZHONGTAI CONSTRUCTION GROUP CO Ltd filed Critical ZHONGTAI CONSTRUCTION GROUP CO Ltd
Priority to CN 201010244810 priority Critical patent/CN101892812B/en
Publication of CN101892812A publication Critical patent/CN101892812A/en
Application granted granted Critical
Publication of CN101892812B publication Critical patent/CN101892812B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a reciprocating drill or an electric drill support, which comprises a triangular bracket, a reciprocating drill or an electric drill fixation clamp and a strut, wherein the triangular bracket comprises a support holder and three ground jacks connected with the support holder; the middle of the support holder is provided with a hole; a screw rod sleeve is internally and fixedly connected in the hole and is provided with an adjustable screw rod; the lower part of the adjustable screw rod is provided with a screw rod handle; the screw rod sleeve is internally provided with threads; the adjustable screw rod is provided with threads; the screw rod sleeve and the adjustable screw rod are matched to lift via threads; the top part of the adjustable screw rod is provided with a rest which is symmetrically provided with two shaft sleeves; a rotary shaft is internally arranged in the shaft sleeve; the axis of the strut passes through the circle center of the section of the rotary shaft and is fixed with the rotary shaft in a welding mode; the fixation clamp of the reciprocating drill or electric drill is fixed with the top end of the strut in a welding mode; and one end of a first thread sleeve is fixed with the rotary shaft in a welding mode. The reciprocating drill or electric drill support is applied to bear of the balcony concrete floor, overhang concrete slab and local floor in unmanned operation spaces, and has simple operation, safety and reliability, and is convenient to be applied to the bear of other parts of floor.

Description

A kind of Churn drill or Electric drill support
Technical field
The present invention relates to the simple construction machinery used a kind of building site, particularly, relate to a kind of Churn drill or Electric drill support.
Background technology
Building site balcony concrete floor, the concrete slab of encorbelmenting punching all are to carry out on the scaffold of setting up at present, if scaffold is removed, operating personnel are in balcony bottom or when encorbelmenting the concrete slab bear, because the punching Churn drill produces vibrations, and operating personnel are brought great potential safety hazard.
Summary of the invention
For overcoming the defective that prior art exists, the object of the present invention is to provide a kind of Churn drill rational in infrastructure or Electric drill support, this structure is used for the balcony concrete floor, the local floor slab bottoms punching in encorbelment concrete slab and unattended space.The potential safety hazard that can get rid of operating personnel, and simple to operate, safe and reliable.
For achieving the above object, the present invention by the following technical solutions:
A kind of Churn drill or Electric drill support comprise tripod, Churn drill or electric drill geometrical clamp, pole; Tripod comprises frame holder and three supporting legs that are connected with the frame holder, and frame holder middle part has the hole, is fixedly connected with the screw rod cover in the hole; Be provided with adjusting screw in the screw rod cover, the adjusting screw bottom is provided with screw shank, is provided with screw thread in the screw rod cover, and adjusting screw is provided with screw thread, and screw rod cover, adjusting screw are by the threaded engagement lifting; The adjusting screw top is provided with rest, is arranged with two axle sleeves on the rest, and rotating shaft is set in the axle sleeve, props up rod axis by the center of circle, rotating shaft cross section, and fixing with the rotating shaft welding; The top welding of Churn drill or electric drill geometrical clamp and pole is fixing; First threaded sleeve, one end and rotating shaft welding are fixing, the axis of first threaded sleeve and pole dead in line, and first threaded sleeve is provided with internal thread, and first handle is provided with external screw thread, and first threaded sleeve is threaded with first handle.
Preferably, also comprise second threaded sleeve and second handle, second threaded sleeve, one end and rotating shaft welding are fixing, second threaded sleeve is provided with internal thread, second handle is provided with external screw thread, and second handle is threaded with second threaded sleeve, and the second handle axis is 45 degree angles with a rod axis.
Preferably, the first handle end is bent into level, 22 centimetres of horizontal lengths, and 0.7 meter of long edge lengths adopts 20 millimeters round steel of diameter to make; Second handle length is 0.5 meter, adopts 20 millimeters round steel of diameter to make; Adopt the steel pipe of 22 millimeters of internal diameters to penetrate first handle or/and second handle is not less than 20 centimetres, with the lengthening first handle or/and second handle.
Preferably, the supporting leg bottom of tripod is provided with roller.
Preferably, 1.3 meters of spiro rod lengths, 1.6 meters of tripod height.
Preferably, 1.8 meters of spiro rod lengths, 2.6 meters of tripod height.
Preferably, Churn drill or Electric drill support are welded into a casing by angle steel and steel plate, adopt four base angle splice joints to become the bottom surface of casing, and bottom center adopts bottom surface steel plate polishing to form the end of sealing; Four of being connected with four side angle steel formation casings in four bights of bottom surface are upright stupefied, and each vertical surface middle part is connected with middle steel plate, the top is connected with the top steel plate; The top of pole and the welding of tank floor steel plate are fixing; Bolt of vertical respectively welding on two horizontal base angle steel horizontal planes at the bottom of the case, each bolt is provided with three nuts and nut shim; The plastic plate of three horizontal directions is set in the casing, have two slotted holes on the plastic plate and be enclosed within on the bolt, the slotted hole long axis ray is fixed Churn drill or electric drill by nut, bolt extruding plastic plate perpendicular to the plane by two bolt vertical axis at vertical direction; Adjusting plastic plate by slotted hole in direction of level fixes Churn drill or electric drill in horizontal cross; Have a bolt hole on two middle steel plates of horizontally set, the bolt of horizontal direction setting passes this bolt hole, and fixes by bolt, nut shim and middle steel plate; Two vertical plastic fixed plates have the hole, pass bolt by this hole and also by nut, nut shim Churn drill or electric drill are vertically being fixed.
Preferably, Churn drill or Electric drill support are welded into a casing by angle steel and steel plate, adopt four base angle splice joints to become the bottom surface of casing, and bottom center adopts bottom surface steel plate polishing to form the end of sealing; Four of being connected with four side angle steel formation casings in four bights of bottom surface are upright stupefied, and each vertical surface middle part is connected with middle steel plate, the top is connected with the top steel plate; The top of pole and the welding of tank floor steel plate are fixing; Bolt of vertical respectively welding on two horizontal base angle steel horizontal planes at the bottom of the case, each bolt is provided with three nuts and nut shim; The plastic plate of three horizontal directions is set in the casing, has two slotted holes on the plastic plate and be enclosed within on the bolt, the slotted hole long axis ray will be drilled in vertical direction and fix by nut, bolt extruding plastic plate perpendicular to the plane by two bolt vertical axis; On two middle steel plates of horizontally set, have a bolt hole, screw rod one end welding pressing steel plate, two nuts, nut shim are set on the screw rod, by nut, nut shim screw rod is fixed on the middle steel plate, by regulating bolt, nut shim and pressing steel plate that Churn drill or electric drill is vertically fixing; On the left side middle steel plate that vertically is provided with, have a bolt hole, screw rod one end welding pressing steel plate, two nuts, nut shim are set on the screw rod, by nut, nut shim screw rod is fixed on the middle steel plate, by regulating bolt, nut shim and pressing steel plate Churn drill or electric drill crosswise fixed.
Preferably, pole is adopted steel pipe manufacturing.
Preferably, rest adopts three channel-section steel welding to form.
Beneficial effect of the present invention: Churn drill of the present invention or Electric drill support are used for the balcony concrete floor, the local floor slab bottoms punching in encorbelment concrete slab and unattended space, and it is simple to operate, and is safe and reliable; And it is easy to use in other position floor slab bottoms punching; The support height adjustable energy saving increases usage space, and adding long handle can be laborsaving.
Description of drawings
Fig. 1 is Churn drill or Electric drill support front view;
Fig. 2 is Churn drill or Electric drill support lateral view;
Fig. 3 is rotating shaft and axle sleeve partial view;
Fig. 4 A is Churn drill or electric drill geometrical clamp front schematic view;
Fig. 4 B is an A-A generalized section among Fig. 4 A;
Fig. 4 C is the schematic top plan view of Churn drill or electric drill geometrical clamp among Fig. 4 A;
Fig. 5 A is Churn drill or electric drill outline forward schematic diagram;
Fig. 5 B is Churn drill or electric drill outline side schematic view;
Fig. 6 A is Churn drill or electric drill fixed installation forward generalized section;
Fig. 6 B is Churn drill or an electric drill fixed installation B-B generalized section among Fig. 6 A;
Fig. 6 C is Churn drill or an electric drill fixed installation C-C generalized section among Fig. 6 A;
Fig. 7 A is Churn drill or another fixed installation forward generalized section of electric drill;
Fig. 7 B is Churn drill or an electric drill fixed installation D-D generalized section among Fig. 7 A;
Fig. 7 C is Churn drill or an electric drill fixed installation E-E generalized section among Fig. 7 A;
Among the figure: 1, tripod; 2, pole; 3, Churn drill or electric drill geometrical clamp; 11, frame holder; 12, supporting leg; 13, screw rod cover; 14, adjusting screw; 15, screw shank; 16, rest; 17, axle sleeve; 18, rotating shaft; 21, first threaded sleeve; 211, first handle; 4, second threaded sleeve; 41, second handle; 121, roller; 31, base angle steel; 311, bottom surface steel plate; 32 side angle steel; 33, middle steel plate; 34, top steel plate; 35, bolt; 351, nut; 352, nut shim; 36, horizontal plastic plate; 37, vertical plastic plate; 361, slotted hole; 38, pressing steel plate.
The specific embodiment
As Figure 1-3, Churn drill or Electric drill support comprise tripod 1, pole 2, Churn drill or electric drill geometrical clamp 3, and Churn drill or electric drill geometrical clamp 3 are fixing with the top welding of pole 2; Tripod 1 comprises frame holder 11 and three supporting legs 12 that are connected with the frame holder, and frame holder 11 middle parts have the hole, is fixedly connected with screw rod cover 13 in the hole; Be provided with adjusting screw 14 in the screw rod cover 13, the adjusting screw lower end is provided with screw shank 15, is provided with screw thread in the screw rod cover 13, and adjusting screw 14 is provided with screw thread, and screw rod cover 13, adjusting screw 14 are by the threaded engagement lifting; The adjusting screw top is provided with rest 16, rest 16 adopts three channel-section steel welding to form, be arranged with two axle sleeves 17 on the rest 16, rotating shaft 18 is set in the axle sleeve 17, pole 2 is a steel pipe, pole 2 axis are by the center of circle, rotating shaft cross section, and pole 2 is fixing away from an end and rotating shaft 18 welding of Churn drill or electric drill geometrical clamp 3; First threaded sleeve, 21 1 ends and rotating shaft 17 welding are fixing, the axis of first threaded sleeve 21 and pole 2 deads in line, and first threaded sleeve 21 is provided with internal thread, and first handle 211 is provided with external screw thread, and first threaded sleeve 21 is threaded with first handle 211; Second threaded sleeve, 4 one ends and rotating shaft 17 welding are fixing, and second threaded sleeve 4 is provided with internal thread, and second handle 41 is provided with external screw thread, and second handle 41 is threaded with second threaded sleeve 4, and 20 millimeters round steel of second handle 41 usefulness diameters are made; Second handle 41 length are 0.5 meter, and second handle 41 axis and pole 2 axis are 45 degree angles; The first handle end is bent into level, 22 centimetres of horizontal lengths, and 0.7 meter of long edge lengths is made of 20 millimeters round steel of diameter; Adopt the steel pipe of 22 millimeters of internal diameters to penetrate first handle 211 or/and second handle 41 is not less than 20 centimetres, with lengthening first handle 211 or/and second handle 41; The bottom of the supporting leg of tripod is provided with roller 121, to prevent hole scattering and convenient moving; 1.3 meters of spiro rod lengths, 1.8 meters of 1.6 meters of tripod height or spiro rod lengths, 2.6 meters of tripod height; Shown in Fig. 4 A-4C, Churn drill or Electric drill support 3 are welded into a casing by angle steel and steel plate: adopt four blocks of base angle steel 31 to be spliced into the bottom surface of casing, bottom center adopts bottom surface steel plate 311 polishings to form the end of sealing; Four of being connected with four side angle steel, 32 formation casings in four bights of bottom surface are upright stupefied, and each vertical surface middle part is connected with middle steel plate 33, the top is connected with top steel plate 34; The top of pole 2 and 311 welding of tank floor steel plate are fixing; Churn drill or electric drill outline are shown in Fig. 5 A-5B; Shown in Fig. 6 A-6C, bolt 35 of vertical respectively welding on two horizontal base angle steel 31 horizontal planes at the bottom of the case, each bolt 35 is provided with three nuts 351 and nut shim 352; Three horizontal plastic plates 36 are set in the casing, have two slotted holes 361 on the horizontal plastic plate 36 and be enclosed within on the bolt, slotted hole 361 long axis ray are fixed Churn drill or electric drill by nut 351, the horizontal plastic plate 36 of bolt 35 extruding perpendicular to the plane by two bolt vertical axis at vertical direction; In horizontal cross Churn drill or electric drill are fixed at the horizontal plastic plate 36 of direction adjustment of level by slotted hole 361; Have a bolt hole on two middle steel plates 33 of horizontally set, the bolt of horizontal direction setting passes this bolt hole, and fixing by bolt, nut shim and middle steel plate 33; Two vertical plastic plates 37 have the hole, pass bolt by this hole and also by nut, nut shim Churn drill or electric drill are vertically being fixed.
Can also be in another way fixedly Churn drill or electric drill in the horizontal direction: shown in Fig. 7 A-7C, on two middle steel plates 33 of horizontally set, have a bolt hole, screw rod one end welding pressing steel plate 38, two nuts, two nut shims are set on the screw rod, by nut, nut shim screw rod is fixed on the middle steel plate 33, by regulating bolt, nut shim and pressing steel plate that Churn drill or electric drill is vertically fixing; On the left side middle steel plate 33 that vertically is provided with, have a bolt hole, screw rod one end welding pressing steel plate 38, two nuts, nut shim are set on the screw rod, by nut, nut shim screw rod is fixed on the middle steel plate, by regulating bolt, nut shim and pressing steel plate Churn drill or electric drill crosswise fixed.

Claims (10)

1. Churn drill or Electric drill support comprise tripod, Churn drill or electric drill geometrical clamp, pole; Tripod comprises frame holder and three supporting legs that are connected with the frame holder, and frame holder middle part has the hole, is fixedly connected with the screw rod cover in the hole; Be provided with adjusting screw in the screw rod cover, the adjusting screw bottom is provided with screw shank, is provided with screw thread in the screw rod cover, and adjusting screw is provided with screw thread, and screw rod cover, adjusting screw are by the threaded engagement lifting; The adjusting screw top is provided with rest, is arranged with two axle sleeves on the rest, and rotating shaft is set in the axle sleeve, and a rod axis is by the center of circle, rotating shaft cross section, and pole is fixing away from an end and the rotating shaft welding of Churn drill or electric drill geometrical clamp; The top welding of Churn drill or electric drill geometrical clamp and pole is fixing; First threaded sleeve, one end and rotating shaft welding are fixing, the axis of first threaded sleeve and pole dead in line, and first threaded sleeve is provided with internal thread, and first handle is provided with external screw thread, and first threaded sleeve is threaded with first handle.
2. Churn drill according to claim 1 or Electric drill support, it is characterized in that: also comprise second threaded sleeve and second handle, second threaded sleeve, one end and rotating shaft welding are fixing, second threaded sleeve is provided with internal thread, second handle is provided with external screw thread, second handle is threaded with second threaded sleeve, and the second handle axis is 45 degree angles with a rod axis.
3. Churn drill according to claim 1 and 2 or Electric drill support is characterized in that: the first handle end is bent into level, 22 centimetres of horizontal lengths, and 0.7 meter of long edge lengths adopts 20 millimeters round steel of diameter to make; Second handle length is 0.5 meter, adopts 20 millimeters round steel of diameter to make; Adopt the steel pipe of 22 millimeters of internal diameters to penetrate first handle or/and second handle is not less than 20 centimetres, with the lengthening first handle or/and second handle.
4. according to described Churn drill of claim 1-3 or Electric drill support, it is characterized in that: the supporting leg bottom of tripod is provided with roller.
5. according to described Churn drill of claim 1-4 or Electric drill support, it is characterized in that: 1.3 meters of spiro rod lengths, 1.6 meters of tripod height.
6. according to described Churn drill of claim 1-5 or Electric drill support, it is characterized in that: 1.8 meters of spiro rod lengths, 2.6 meters of tripod height.
7. according to described Churn drill of claim 1-6 or Electric drill support, it is characterized in that: Churn drill or Electric drill support are welded into a casing by angle steel and steel plate, adopt four base angle splice joints to become the bottom surface of casing, bottom center adopts bottom surface steel plate polishing to form the end of sealing; Four of being connected with four side angle steel formation casings in four bights of bottom surface are upright stupefied, and each vertical surface middle part is connected with middle steel plate, the top is connected with the top steel plate; The top of pole and the welding of tank floor steel plate are fixing; Bolt of vertical respectively welding on two horizontal base angle steel horizontal planes at the bottom of the case, each bolt is provided with three nuts and nut shim; The plastic plate of three horizontal directions is set in the casing, have two slotted holes on the plastic plate and be enclosed within on the bolt, the slotted hole long axis ray is fixed Churn drill or electric drill by nut, bolt extruding plastic plate perpendicular to the plane by two bolt vertical axis at vertical direction; Adjusting plastic plate by slotted hole in direction of level fixes Churn drill or electric drill in horizontal cross; Have a bolt hole on two middle steel plates of horizontally set, the bolt of horizontal direction setting passes this bolt hole, and fixes by bolt, nut shim and middle steel plate; Two vertical plastic fixed plates have the hole, pass bolt by this hole and also by nut, nut shim Churn drill or electric drill are vertically being fixed.
8. according to described Churn drill of claim 1-7 or Electric drill support, it is characterized in that: Churn drill or Electric drill support are welded into a casing by angle steel and steel plate, adopt four base angle splice joints to become the bottom surface of casing, bottom center adopts bottom surface steel plate polishing to form the end of sealing; Four of being connected with four side angle steel formation casings in four bights of bottom surface are upright stupefied, and each vertical surface middle part is connected with middle steel plate, the top is connected with the top steel plate; The top of pole and the welding of tank floor steel plate are fixing; Bolt of vertical respectively welding on two horizontal base angle steel horizontal planes at the bottom of the case, each bolt is provided with three nuts and nut shim; The plastic plate of three horizontal directions is set in the casing, has two slotted holes on the plastic plate and be enclosed within on the bolt, the slotted hole long axis ray will be drilled in vertical direction and fix by nut, bolt extruding plastic plate perpendicular to the plane by two bolt vertical axis; On two middle steel plates of horizontally set, have a bolt hole, screw rod one end welding pressing steel plate, two nuts, nut shim are set on the screw rod, by nut, nut shim screw rod is fixed on the middle steel plate, by regulating bolt, nut shim and pressing steel plate that Churn drill or electric drill is vertically fixing; On the left side middle steel plate that vertically is provided with, have a bolt hole, screw rod one end welding pressing steel plate, two nuts, nut shim are set on the screw rod, by nut, nut shim screw rod is fixed on the middle steel plate, by regulating bolt, nut shim and pressing steel plate Churn drill or electric drill crosswise fixed.
9. according to described Churn drill of claim 1-8 or Electric drill support, it is characterized in that: pole is adopted steel pipe manufacturing.
10. according to described Churn drill of claim 1-9 or Electric drill support, it is characterized in that: rest adopts three channel-section steel welding to form.
CN 201010244810 2010-08-04 2010-08-04 Reciprocating drill or electric drill support Expired - Fee Related CN101892812B (en)

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Application Number Priority Date Filing Date Title
CN 201010244810 CN101892812B (en) 2010-08-04 2010-08-04 Reciprocating drill or electric drill support

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Application Number Priority Date Filing Date Title
CN 201010244810 CN101892812B (en) 2010-08-04 2010-08-04 Reciprocating drill or electric drill support

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CN101892812A true CN101892812A (en) 2010-11-24
CN101892812B CN101892812B (en) 2013-01-16

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102071791A (en) * 2010-12-03 2011-05-25 中建四局第一建筑工程有限公司 Quick perforation method and device for suspended ceiling
CN102691404A (en) * 2012-06-03 2012-09-26 蒋凤昌 Percussion drill support for overhead drilling construction
CN102966306A (en) * 2012-12-03 2013-03-13 山东大学 System and operation method for drilling hole on hard rock in one attempt
CN102995888A (en) * 2012-12-10 2013-03-27 常熟建工建设集团有限公司苏州分公司 High punch moving device
CN104564026A (en) * 2014-12-31 2015-04-29 贝兹维仪器(苏州)有限公司 Near bit supporting device
CN105382302A (en) * 2015-10-27 2016-03-09 中国石油大学(华东) Field falsework for fixing drilling direction of portable drilling machine
CN105863519A (en) * 2016-04-11 2016-08-17 湖南恒至凿岩科技股份有限公司 Stable and rapid auxiliary device for hydraulic drill carriage
CN111270984A (en) * 2020-04-07 2020-06-12 张扬 Automatic drilling equipment explodes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872933A (en) * 1973-02-28 1975-03-25 Atlas Copco Ab Suspending device
US6752221B1 (en) * 2002-12-19 2004-06-22 Danny Morissette Self-supporting pneumatic hammer positioner with universal joint
CN201027490Y (en) * 2007-05-23 2008-02-27 乐炳钧 Vane wheel lift type floor drilling machine
CN201186428Y (en) * 2008-05-07 2009-01-28 中天建设集团有限公司 Electric hammer carrier body
CN101664919A (en) * 2009-09-30 2010-03-10 周辉林 Electric hammer punching frame
CN201427197Y (en) * 2009-07-02 2010-03-24 中国建筑土木建设有限公司 Upward drilling punching device
CN201442258U (en) * 2009-08-18 2010-04-28 王志峰 Upward drilling support for electric drill

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872933A (en) * 1973-02-28 1975-03-25 Atlas Copco Ab Suspending device
US6752221B1 (en) * 2002-12-19 2004-06-22 Danny Morissette Self-supporting pneumatic hammer positioner with universal joint
CN201027490Y (en) * 2007-05-23 2008-02-27 乐炳钧 Vane wheel lift type floor drilling machine
CN201186428Y (en) * 2008-05-07 2009-01-28 中天建设集团有限公司 Electric hammer carrier body
CN201427197Y (en) * 2009-07-02 2010-03-24 中国建筑土木建设有限公司 Upward drilling punching device
CN201442258U (en) * 2009-08-18 2010-04-28 王志峰 Upward drilling support for electric drill
CN101664919A (en) * 2009-09-30 2010-03-10 周辉林 Electric hammer punching frame

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102071791A (en) * 2010-12-03 2011-05-25 中建四局第一建筑工程有限公司 Quick perforation method and device for suspended ceiling
CN102071791B (en) * 2010-12-03 2013-02-13 中建四局第一建筑工程有限公司 Quick perforation method and device for suspended ceiling
CN102691404A (en) * 2012-06-03 2012-09-26 蒋凤昌 Percussion drill support for overhead drilling construction
CN102966306A (en) * 2012-12-03 2013-03-13 山东大学 System and operation method for drilling hole on hard rock in one attempt
CN102995888A (en) * 2012-12-10 2013-03-27 常熟建工建设集团有限公司苏州分公司 High punch moving device
CN104564026A (en) * 2014-12-31 2015-04-29 贝兹维仪器(苏州)有限公司 Near bit supporting device
CN105382302A (en) * 2015-10-27 2016-03-09 中国石油大学(华东) Field falsework for fixing drilling direction of portable drilling machine
CN105863519A (en) * 2016-04-11 2016-08-17 湖南恒至凿岩科技股份有限公司 Stable and rapid auxiliary device for hydraulic drill carriage
CN111270984A (en) * 2020-04-07 2020-06-12 张扬 Automatic drilling equipment explodes

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Free format text: CORRECT: INVENTOR; FROM: XIE LIANGBO LIU QUN ZHANG XINZHONG ZHANG MINGLI SHANG DINGTAO TONG SUIHU TO: ZHANG XINZHONG DONG XIANG XIE LIANGBO ZHANG MINGLI ZHANG GUODONG TONG SUIHU SHANG DINGTAO LIU QUN

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