CN101892812A - Reciprocating drill or electric drill support - Google Patents
Reciprocating drill or electric drill support Download PDFInfo
- 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
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- drill
- bolt
- electric drill
- screw rod
- steel plate
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- 238000003466 welding Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 92
- 239000010959 steel Substances 0.000 claims description 92
- 238000003825 pressing Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007494 plate polishing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010244810 CN101892812B (en) | 2010-08-04 | 2010-08-04 | Reciprocating drill or electric drill support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010244810 CN101892812B (en) | 2010-08-04 | 2010-08-04 | Reciprocating drill or electric drill support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101892812A true CN101892812A (en) | 2010-11-24 |
| CN101892812B CN101892812B (en) | 2013-01-16 |
Family
ID=43102143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010244810 Expired - Fee Related CN101892812B (en) | 2010-08-04 | 2010-08-04 | Reciprocating drill or electric drill support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101892812B (en) |
Cited By (10)
| 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 |
| CN111795845A (en) * | 2020-07-03 | 2020-10-20 | 嘉善县科正建设工程检测有限公司 | Indoor top concrete sampling auxiliary device |
| CN114215381A (en) * | 2021-12-30 | 2022-03-22 | 中铁大桥局武汉桥梁特种技术有限公司 | Concrete structure ultra-deep post-anchoring construction method |
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| US3872933A (en) * | 1973-02-28 | 1975-03-25 | Atlas Copco Ab | Suspending device |
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| 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 | Turbine Lift Floor Drilling Machine |
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Cited By (12)
| 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 |
| CN111795845A (en) * | 2020-07-03 | 2020-10-20 | 嘉善县科正建设工程检测有限公司 | Indoor top concrete sampling auxiliary device |
| CN114215381A (en) * | 2021-12-30 | 2022-03-22 | 中铁大桥局武汉桥梁特种技术有限公司 | Concrete structure ultra-deep post-anchoring construction method |
| CN114215381B (en) * | 2021-12-30 | 2023-04-11 | 中铁大桥局武汉桥梁特种技术有限公司 | Concrete structure ultra-deep post-anchoring construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101892812B (en) | 2013-01-16 |
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