CN111958019A - Auxiliary tool for drilling - Google Patents
Auxiliary tool for drilling Download PDFInfo
- Publication number
- CN111958019A CN111958019A CN202010692729.5A CN202010692729A CN111958019A CN 111958019 A CN111958019 A CN 111958019A CN 202010692729 A CN202010692729 A CN 202010692729A CN 111958019 A CN111958019 A CN 111958019A
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- Prior art keywords
- ruler body
- guide rail
- hole
- drilling
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a drilling auxiliary tool, which comprises a measuring ruler body, a positioning device and a control sleeve; the measuring ruler body comprises a graduated ruler body and a guide rail ruler body, one side of the graduated ruler body in the length direction is provided with dimension scales, the head of the graduated ruler body is provided with a mounting hole for mounting a positioning device, the positioning device is used for positioning an auxiliary tool, the guide rail ruler body is provided with a guide rail clamping groove, the graduated ruler body is slidably mounted on the guide rail clamping groove, the guide rail ruler body is provided with a locking device, the locking device is used for locking the graduated ruler body, so that the graduated ruler body cannot move, the accuracy of measuring dimensions is effectively ensured, and meanwhile, the guide rail ruler body is provided with an angle meter which is used for measuring angle deflection information; in addition, a through hole is reserved at the tail end of the guide rail ruler body and used for installing a control sleeve, and the control sleeve is used for controlling the drilling depth; the auxiliary drilling tool can rapidly and accurately obtain the hole distance between the to-be-drilled hole and the positioning hole and the included angle degree between the two hole connecting line and the datum line, and find out the to-be-drilled hole position and rapidly drill the hole.
Description
Technical Field
The invention relates to the technical field of displacement monitoring equipment, in particular to a drilling auxiliary tool.
Background
Drilling holes in materials by using an electric drill is a very common application operation in daily life, the general drilling is to install equipment and other objects, in order to enable the equipment to be stably installed, the depth of the drilled hole position meets the requirement, and the distance and the included angle between the holes are consistent with the equipment installation hole position; generally, the conventional drilling method comprises the steps of roughly placing equipment on a plane needing drilling, then using a marking pen to trace a hole position on a drilling material, finally moving the equipment away, and drilling according to a prepared mark by using an electric drill; or firstly measuring the distance between the mounting holes of the equipment by using a steel ruler, and then marking points on the drilling plane by using the steel ruler. Finally, drilling holes; in the drilling depth control, a steel ruler is used to measure the drill bit, a marker pen is used to mark the corresponding depth of the drill bit, and when the marked position is drilled to the intersection with the plane, the depth is up to standard. The existing quasi-start-up mode has the following defects: firstly, the method of directly tracing points by using a marker pen requires that equipment is placed on a drilling plane, is very inconvenient when the equipment is large in size or heavy in weight, and can be successfully completed by cooperation of multiple persons; secondly, a certain error exists in the point-drawing drilling of the marker pen, if the drilling technology is not skilled enough, the hole position is likely to deviate, a waste hole is formed, and finally, the position needs to be selected again for drilling; thirdly, the hole spacing can be accurately controlled by using a method of measuring distance by using a steel ruler and then drawing points on a drilling plane according to the size, but the angle relation among hole positions is difficult to grasp, and the hole positions are easy to deviate; fourthly, traditional drilling depth control method, the mark can be sheltered from to the raise dust among the drilling process, and after drill bit repetitious usage, the mark can be difficult to discern, and the mark of doing at every turn can mutual interference, influences the accurate recognition of drilling depth. Therefore, a new auxiliary tool for drilling is urgently needed in the industry.
Disclosure of Invention
The invention aims to provide a drilling auxiliary tool, which comprises a measuring ruler body, a positioning device and a control sleeve; the measuring ruler body comprises a graduated ruler body and a guide rail ruler body, one side of the graduated ruler body in the length direction is provided with dimension scales, the head of the graduated ruler body is provided with a mounting hole for mounting a positioning device, the positioning device is used for positioning an auxiliary tool, the guide rail ruler body is provided with a guide rail clamping groove, the graduated ruler body is slidably mounted on the guide rail clamping groove, the guide rail ruler body is provided with a locking device, and the locking device is used for locking the graduated ruler body so that the graduated ruler body cannot move; the guide rail ruler body is provided with an angle meter which is used for measuring angle deflection information; the tail end of the guide rail ruler body is provided with a through hole for installing a control sleeve, and the control sleeve is used for limiting and adjusting the drilling depth.
Furthermore, the positioning device comprises a thimble, a spring and a handle, one end of the thimble is conical, the other end of the thimble is cylindrical, the conical diameter is smaller than the cylindrical diameter, the conical shape of the thimble penetrates through the mounting hole of the scale body, a pit is formed in the thimble and used for mounting the spring, the spring is mounted between the thimble and the handle, the spring is normally compressed, the handle is connected with the scale body and provides compression force for the spring, and the spring provides pressing force for the thimble.
Furthermore, the guide rail ruler body is provided with an adjusting mounting hole, the other side of the length direction of the scale ruler body is provided with a rack, the rack is matched with an adjusting device arranged on the guide rail ruler body to realize length adjustment of the scale ruler body, the adjusting device comprises a gear and an adjusting knob, the gear is installed in a guide rail clamping groove, the gear is meshed with the rack of the scale ruler body and is connected with the adjusting knob through a shaft, and the adjusting knob rotates to drive the gear to rotate to realize stretching of the scale ruler body.
Further, this application device includes the apron, and the apron passes through threaded connection fastening at the regulation mounting hole back of the guide rail chi body, prevents that the meshing chamber of gear and rack from getting into dust impurity.
Furthermore, the locking device comprises a locking knob and a threaded rod, the locking knob is fixedly connected with the threaded rod, the locking knob is in threaded connection with the guide rail ruler body through the threaded rod, the locking knob is screwed tightly, the threaded rod is controlled to abut against the scale ruler body in the guide rail clamping groove, and then the position of the scale ruler body is controlled to be fixed.
Furthermore, the angle meter is a mechanical angle meter or an electronic angle meter, the mechanical angle meter comprises a dial and a pointer, the head of the pointer is an arrow for indicating an angle, the tail of the pointer is a balance weight, the pointer is always positioned in the plumb direction and points to the direction opposite to the gravity under the action of gravity, the whole dial is divided into 360 degrees, and under the initial condition, the pointer points to 0 degree; the dial of the electronic angle gauge is replaced by a display screen, and a zero return button and a reset button are arranged on the angle gauge; the angle meter is internally provided with a gravity induction sensor, a magnetic field induction sensor and a gyroscope sensor, and angle deflection information is measured and displayed in the display screen under the combined action of the three sensors.
Further, the control sleeve comprises a fastener and a sleeve, one end of the sleeve is inserted into the through hole of the guide rail ruler body, two ends of the sleeve in the through hole are fixed through the fastener, the fastener at the end part of the sleeve is located in the through hole, and the fastener at the end part is flush with the bottom of the guide rail ruler body.
Further, the fastener is the nut, including first nut and second nut, and sleeve one end is equipped with the external screw thread, and the sleeve that is equipped with external screw thread one end inserts the through-hole of the guide rail chi body, and the through-hole rear portion of the guide rail chi body is equipped with the shrinkage pool, and the shrinkage pool degree of depth and shape and first nut and/or second nut phase-match, and the sleeve at through-hole both ends is fixed through first nut and second nut locking.
Further, the control sleeve comprises a plurality of sleeves with different length sizes, and requirements of different drilling depths are met by using different sleeves.
Further, the sleeve is internally provided with a wear-resistant alloy lining.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a drilling auxiliary tool, which comprises a measuring ruler body, a positioning device and a control sleeve; the measuring ruler body comprises a graduated ruler body and a guide rail ruler body, one side of the graduated ruler body in the length direction is provided with dimension scales, the head of the graduated ruler body is provided with a mounting hole for mounting a positioning device, the positioning device is used for positioning an auxiliary tool, the guide rail ruler body is provided with a guide rail clamping groove, the graduated ruler body is slidably mounted on the guide rail clamping groove, the guide rail ruler body is provided with a locking device, the locking device is used for locking the graduated ruler body, the graduated ruler body cannot move, the accuracy of measuring dimensions is effectively ensured, meanwhile, the guide rail ruler body is provided with an angle meter, and the angle meter is used for measuring angle deflection information; in addition, the tail end of the guide rail ruler body is provided with a through hole for installing the control sleeve, the control sleeve is used for limiting the drilling depth, and the auxiliary drilling tool can quickly and accurately obtain the hole distance between a hole to be drilled and a positioning hole and the included angle degree between the connecting line of the two holes and the reference line, find out the position to be drilled and drill quickly.
The control sleeve of this application device includes many different length dimension's sleeve, through using different length dimension's sleeve, can satisfy different drilling depth's demand, utilizes sleeve length dimension's difference simultaneously, restricts the degree of depth that the drill bit bored into to reach control drilling depth's purpose.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a drilling aid of the present invention;
FIG. 2 is an exploded view (front) of the drill tap aid of FIG. 1;
FIG. 3 is an exploded view (back side) of one of the drill tapping aids of FIG. 1;
FIG. 4 is a schematic structural view of a mechanical angle gauge in a drilling aid of the present invention;
FIG. 5 is a schematic illustration of a drilling step of a drilling aid of the present invention;
FIG. 6 is a schematic view of a drilling depth control of a drilling assistance device of the present invention;
the device comprises a scale body, a positioning device, a handle, a spring, a thimble, a scale body, a scale 21, an adjusting knob, a lock knob 22, a lock knob 23, a guide rail scale body, a gear 24, a gear 25, a lock bolt, a cover plate, a scale 27, an angle gauge 3, a control sleeve 31, a hexagon nut, a 32, an alloy lining 33, a sleeve 41, a cylindrical pit 42, a cone 43, a convex edge 44, a thread 45, a size scale 46, a rack 47, a threaded hole 48, a semicircular hollow protrusion 49, a guide rail clamping groove 50, a concave hole 51, a dial 52, an arrow 53, a pointer, a 54, a balance weight, a 55, an angle zero-setting button 56, a reset button 57, a wall body 58, a hole center 59, a drill bit 61, an electric drill, a 62, a first hole 63 and a second hole.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 6, a drilling auxiliary tool comprises a measuring ruler body, a positioning device 1 and a control sleeve 3; the measuring ruler body comprises a graduated ruler body and a guide rail ruler body, one side of the graduated ruler body in the length direction is provided with dimension scales, the head of the graduated ruler body is provided with a mounting hole for mounting a positioning device, the positioning device comprises an ejector pin, a spring and a handle, one end of the ejector pin is conical (conical), the other end of the ejector pin is cylindrical, the conical diameter is smaller than the cylindrical diameter, the conical shape of the ejector pin penetrates through the mounting hole of the graduated ruler body, the ejector pin is provided with a pit for mounting the spring, the spring is mounted between the ejector pin and the handle, the spring is normally compressed and provides pressing force for the ejector pin, and the handle is connected with the graduated ruler body and; the guide rail ruler body is provided with a guide rail clamping groove, the scale ruler body is slidably mounted on the guide rail clamping groove, the guide rail ruler body is provided with a locking device, and the locking device is used for locking the scale ruler body, so that the scale ruler body cannot move on the guide rail clamping groove, and the accuracy of measuring dimensions is effectively ensured; the guide rail ruler body is provided with an angle meter which is used for measuring angle deflection information; the tail end of the guide rail ruler body is provided with a through hole for installing a control sleeve, and the control sleeve is used for limiting and adjusting the drilling depth.
The positioning device on the scale body 14 mainly plays a role in accurately positioning the auxiliary drilling tool to a drilled positioning hole, and comprises a thimble 13, a compression spring 12 and a handle 11; the upper half part of the graduated scale body 14 is provided with dimension scales 45 for measuring and controlling the hole spacing, and the lower half part of the graduated scale body is provided with a rack 46 which is matched with an adjusting device arranged on the guide rail scale body to realize the length adjustment; the head of the scale body is provided with a mounting hole for mounting a thimble, a circle of convex edge 43 with the inner diameter slightly larger than the size of the mounting hole is arranged on the mounting hole for limiting the thimble, and the outer part of the convex edge is provided with a thread 44 which can be connected with the grip 11 through the thread; the lower part of the thimble 13 is a cone 42 used for matching with a drilled positioning hole, the upper part of the thimble is cylindrical, wherein the diameter of the cylinder is slightly larger than the diameter of a circle at the bottom of the cone, and the top of the cylinder is provided with a cylindrical pit 41 used for installing the compression spring 12; the compression spring 12 is arranged between the thimble 13 and the grip 11, the spring is in a normal state of compression, the grip 11 is connected with the graduated scale body 14 through threads, the grip 11 is matched with the graduated scale body 14 to provide compression force for the spring 12, and the spring provides pressing force for the thimble 13; meanwhile, the handle can be conveniently held by an operator during drilling.
The scale body and the guide rail scale body play a role in measuring the position to be drilled, and the position to be drilled comprises the hole distance between the hole to be drilled and the positioning hole and the included angle between the connecting line of the two holes and the reference line; the back of the guide rail ruler body 23 is provided with a guide rail clamping groove 49 which can accommodate the scale body 14 to slide in; there is a semicircular cavity outstanding 48 in the lower left corner of guide rail chi body 23, be equipped with adjusting device on the semicircular cavity outstanding, adjusting device includes adjust knob 21 and gear 24, adjust knob is used for manual rotation for taking the flower line knob, the cooperation of knob center connection circle axle and guide rail chi body realizes smooth and easy rotation, the circle axle lower part is that square shaft and gear cooperation are spacing, there is a screw hole in the middle of the square shaft, screw hole and locking bolt 25 cooperation fixed gear are in the semicircular cavity is outstanding, and the rack toothing of gear and scale body, through the flexible of manual rotatory adjust knob control scale body. The back of the semicircular hollow protrusion 48 at the lower left corner of the guide rail ruler body 23 is provided with a cover plate 26 which is fastened on the semicircular hollow protrusion through threaded connection, so that the meshed cavity of the pinion 24 and the rack 46 is protected from entering impurities such as dust, and meanwhile, lubricating oil can be injected into the cavity to facilitate meshing movement.
The middle part of the guide rail ruler body 23 is provided with a threaded hole 47 which is matched with the locking device to clamp the graduated ruler body tightly so that the graduated ruler body can not move any more; the locking device comprises a locking knob 22 and a threaded rod, the locking knob is a round knob with patterns and used for manual rotation, the lower part of the round knob is connected with the threaded rod, the threaded rod is matched with a threaded hole 47 on the guide rail ruler body, and the position of the graduated ruler body is controlled to be fixed through the screwing tightness of the locking knob; an angle meter 27 is arranged in the middle of the guide rail ruler body 23 and used for measuring the current angle deflection information; the angle meter 27 has various structural forms according to different application scenes of the auxiliary tool; if the auxiliary tool is mainly used for drilling holes on a wall or a structure vertical to the ground, a mechanical angle meter can be selected; if the drilling requirements of other space planes exist, selecting an electronic angle meter; the mechanical angle meter is composed of a dial 51 and a pointer 53, wherein the head of the pointer is an arrow 52 for indicating the angle, the tail of the pointer is a circular counterweight 54, and the pointer 53 is always positioned in the direction of a plumb line under the action of gravity and points to the direction opposite to the gravity; the right upper part of the dial is 0 degree, the whole dial is divided into 360 degrees, the clockwise degree is 0-180 degrees, and the counterclockwise degree is 0-180 degrees; when the tool is applied, the tool is in a horizontal flat position, the pointer points to 0 degree of the angle scale, the tool rotates anticlockwise, the direction is displayed as positive degrees, the tool rotates clockwise, and the direction is displayed as negative degrees; the dial of the electronic angle gauge is replaced by a display screen, two control buttons are arranged on the angle gauge, one control button is an angle zero-setting button 55, the other control button is a reset button 56, and the reset button can lock a reference plane; the electronic angle meter is internally provided with a gravity induction sensor, a magnetic field induction sensor and a gyroscope sensor; when the plane needing drilling is not perpendicular to the ground, the auxiliary tool is placed on the drilling plane, the current plane can be locked as a reference plane by clicking the reset button 56, and the included angle between the current plane and the horizontal plane and the included angle between the current plane and the azimuth angles of east, west, south and north can be measured under the combined action of the three sensors; the angle zeroing button 55 is clicked to enable the angle displayed by the display screen to be zeroed, and then when the auxiliary tool rotates in the plane, the electronic angle meter can display the rotating angle in the drilling plane according to each included angle value obtained by measuring the initial angle in the display screen. The angle is based on 0 degree of the click angle zero-resetting button, clockwise is positive, and anticlockwise is negative. Electronic goniometers are conventional devices.
A circular through hole is reserved at the tail end of the right part of the guide rail ruler body, and a hexagonal concave hole 50 is formed in the rear part of the through hole and used for installing the control sleeve 3; the control sleeve includes fastener and a series of different length dimension's sleeve 33, satisfy different drilling depth's demand through using different length dimension's sleeve, the fastener includes first hexagon nut and second hexagon nut 31, sleeve one end is equipped with the external screw thread, the sleeve that is equipped with external screw thread one end is inserted and is located circular through-hole, sleeve end connection's first hexagon nut just imbeds the hexagon shrinkage pool 50 of guide rail chi body, and threaded connection has the locking of second hexagon nut to fix on the sleeve of the circular through-hole other end. The sleeve is internally provided with a wear-resistant alloy lining 32 which plays a role in preventing wear, and the sleeve with different length sizes is used, so that the drilling depth of the drill bit 59 is limited by using the difference of the sleeve depth (length size), and the purpose of controlling the drilling depth is achieved. The depth of the sleeve is selected as the difference between the length of the drill bit and the depth of the rotary hole, and the installation positions of the positioning device, the angle meter and the control sleeve are located on the same datum line.
During drilling operation, firstly, the locking knob 22 is unscrewed, then the adjusting knob 21 is adjusted, the graduated scale 1 is extended to the required scale, and then the locking knob 22 is screwed; and then subtracting the required drilling depth from the drill bit length to obtain the required depth of the control sleeve 3, and selecting the control sleeve 3 with the corresponding depth and matched with the drill bit size to be arranged on the measuring scale to finish the assembly of the auxiliary tool.
Then the control sleeve is aligned with a preset position (a position marked on the wall) of the wall 57, the drill bit 59 of the electric drill 61 penetrates through the sleeve 33 of the control sleeve to drill a first hole 62 serving as a positioning hole, then the ejector pin 13 of the positioning device of the auxiliary tool is pressed against the first hole 62, the ejector pin 13 is automatically aligned to the hole center 58 under the action of the taper 42 and the compression spring 12, the auxiliary tool is rotated to a required angle to drill a second hole 63, and the corresponding steps can be repeated subsequently, so that all drilling operations are completed.
Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The auxiliary drilling tool is characterized by comprising a measuring ruler body, a positioning device and a control sleeve; the measuring ruler body comprises a graduated ruler body and a guide rail ruler body, one side of the graduated ruler body in the length direction is provided with dimension scales, the head of the graduated ruler body is provided with a mounting hole for mounting a positioning device, the positioning device is used for positioning an auxiliary tool, the guide rail ruler body is provided with a guide rail clamping groove, the graduated ruler body is slidably mounted on the guide rail clamping groove, the guide rail ruler body is provided with a locking device, and the locking device is used for locking the graduated ruler body so that the graduated ruler body cannot move; the guide rail ruler body is provided with an angle meter which is used for measuring angle deflection information; the tail end of the guide rail ruler body is provided with a through hole for installing a control sleeve, and the control sleeve is used for limiting and adjusting the drilling depth.
2. The auxiliary drilling tool as claimed in claim 1, wherein the positioning device comprises a thimble, a spring and a handle, one end of the thimble is conical, the other end of the thimble is cylindrical, the conical diameter of the thimble is smaller than the cylindrical diameter, the conical shape of the thimble passes through the mounting hole of the scale body, the thimble is provided with a concave pit for mounting the spring, the spring is mounted between the thimble and the handle, the spring is normally compressed, the handle is connected with the scale body to provide compression force for the spring, and the spring provides pressing force for the thimble.
3. The auxiliary drilling tool as claimed in claim 1, wherein the guide ruler body is provided with an adjusting mounting hole, the other side of the guide ruler body in the length direction is provided with a rack, the rack is matched with an adjusting device arranged on the guide ruler body to realize length adjustment of the scale ruler body, the adjusting device comprises a gear and an adjusting knob, the gear is arranged in the guide groove, the gear is meshed with the rack of the scale ruler body and is connected with the adjusting knob through a shaft, and the adjusting knob rotates to drive the gear to rotate to realize extension and retraction of the scale ruler body.
4. The drilling aid as claimed in claim 3, wherein the drilling aid comprises a cover plate fastened to the back of the adjustment mounting hole of the guide rail ruler body through a threaded connection to prevent the gear and rack meshing cavity from entering dust and impurities.
5. The auxiliary drilling tool according to any one of claims 1 to 4, wherein the locking device comprises a locking knob and a threaded rod, the locking knob is fixedly connected with the threaded rod, the locking knob is in threaded connection with the guide rail ruler body through the threaded rod, the locking knob is screwed tightly, the threaded rod is controlled to be abutted against the graduated ruler body in the clamping groove of the guide rail, and therefore the position of the graduated ruler body is controlled to be fixed.
6. A drilling aid according to claim 5 wherein the angle gauge is a mechanical or electronic angle gauge comprising a dial and a pointer, the head of the pointer being an arrow indicating the angle and the tail of the pointer being a weight, the pointer always being in the plumb direction and pointing in the opposite direction to gravity under the influence of gravity, the entire dial being divided into 360 degrees and the pointer initially pointing at 0 degrees; the dial of the electronic angle gauge is replaced by a display screen, and a zero return button and a reset button are arranged on the angle gauge; the angle meter is internally provided with a gravity induction sensor, a magnetic field induction sensor and a gyroscope sensor, and angle deflection information is measured and displayed in the display screen under the combined action of the three sensors.
7. The auxiliary drilling tool as claimed in claim 6, wherein the control sleeve comprises a fastener and a sleeve, one end of the sleeve is inserted into the through hole of the guide rail ruler body, two ends of the sleeve in the through hole are fixed through the fastener, the fastener at the end part of the sleeve is positioned in the through hole, and the fastener at the end part is flush with the bottom of the guide rail ruler body.
8. The auxiliary drilling tool as claimed in claim 7, wherein the fastening member is a nut including a first nut and a second nut, one end of the sleeve is provided with an external thread, the sleeve provided with the end of the external thread is inserted into the through hole of the guide rail ruler body, a concave hole is provided at the rear part of the through hole of the guide rail ruler body, the depth and shape of the concave hole are matched with those of the first nut and/or the second nut, and the sleeves at the two ends of the through hole are locked and fixed by the first nut and the second nut.
9. A drilling aid according to claim 8 wherein the control sleeve comprises a plurality of sleeves of different length dimensions, the different drilling depths being accommodated by the use of different sleeves.
10. A drilling aid according to claim 9, wherein the sleeve is internally provided with a wear resistant alloy lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010692729.5A CN111958019B (en) | 2020-07-17 | 2020-07-17 | Auxiliary tool for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010692729.5A CN111958019B (en) | 2020-07-17 | 2020-07-17 | Auxiliary tool for drilling |
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| Publication Number | Publication Date |
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| CN111958019A true CN111958019A (en) | 2020-11-20 |
| CN111958019B CN111958019B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010692729.5A Active CN111958019B (en) | 2020-07-17 | 2020-07-17 | Auxiliary tool for drilling |
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| CN113500704A (en) * | 2021-08-02 | 2021-10-15 | 吴伊曼 | Roof dust protected dirt wall drilling equipment for interior decoration |
| CN113863693A (en) * | 2021-11-15 | 2021-12-31 | 中国十九冶集团有限公司 | Angle control device for butt joint of steel members and using method |
| CN116604071A (en) * | 2023-06-26 | 2023-08-18 | 任丘市恒阳电讯器材有限公司 | Hole position deviation prevention electric iron accessory punching device |
| CN117569738A (en) * | 2024-01-16 | 2024-02-20 | 中铁一局集团电务工程有限公司 | Drilling control system and method for tunnel construction trolley |
| CN117569738B (en) * | 2024-01-16 | 2024-05-17 | 中铁一局集团电务工程有限公司 | Drilling control system and method for tunnel construction trolley |
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| Publication number | Publication date |
|---|---|
| CN111958019B (en) | 2021-10-22 |
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Denomination of invention: A drilling aid tool Effective date of registration: 20230613 Granted publication date: 20211022 Pledgee: Agricultural Bank of China Limited Changsha Wangcheng District sub branch Pledgor: Hunan Lianzhi Technology Co.,Ltd. Registration number: Y2023980043732 |