CN111822752A - Drilling device - Google Patents
Drilling device Download PDFInfo
- Publication number
- CN111822752A CN111822752A CN202010755814.1A CN202010755814A CN111822752A CN 111822752 A CN111822752 A CN 111822752A CN 202010755814 A CN202010755814 A CN 202010755814A CN 111822752 A CN111822752 A CN 111822752A
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- Prior art keywords
- positioning block
- sliding block
- connecting rod
- hole
- rotating
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- 238000005553 drilling Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000004080 punching Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a drilling device which comprises a punching mechanism, a base, vertical plates positioned on two sides of the base, connecting rods connected to the two vertical plates, and an operating assembly used for driving the punching mechanism to move along the connecting rods, wherein the operating assembly comprises a first positioning block arranged on the connecting rods, a sliding block arranged on the connecting rods in a sliding mode, a handle arranged on the first positioning block in a rotating mode, and a connecting rod arranged on the sliding block in a rotating mode, one end of the connecting rod is arranged on the sliding block in a rotating mode, the other end of the connecting rod is arranged on the handle in a rotating mode, and the punching mechanism is arranged on the connecting rods in a sliding mode through the sliding block. According to the drilling device, the connecting rod is driven to move by rotating the handle, so that the sliding block is pushed to slide, the punching mechanism connected to the sliding block moves, the drilling device can move forwards to drill or backwards, the operation is convenient, and the drilling positioning is accurate.
Description
Technical Field
The invention particularly relates to an upright post drilling device suitable for mounting a truss of an escalator or a moving sidewalk.
Background
When the handrail upright post is installed on the escalator site, the deviation between the position and the debugging always occurs, so that the positioning pin is matched after the installation of the handrail upright post is completed, and the site installation position of the handrail upright post is ensured. Because of the handrail stand position of punching and the high inconvenient personnel of joining in marriage the operation of beating, all need two people when joining in marriage at every turn, the pistol drill of alone taking one's hand withstands the pistol drill alone, causes personnel extravagant, and inconvenient operation, the position of still can punching is inaccurate.
Disclosure of Invention
In view of the above, in order to solve the problems in the prior art, the invention provides a drilling device suitable for a handrail upright post, which can be operated by a single person and has an accurate drilling position.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a drilling equipment, is including mechanism, base, the riser that is located the base both sides, connection two connecting rod on the riser, be used for driving the mechanism of punching is followed the operation subassembly of connecting rod motion, the operation subassembly is including setting up first locating piece on the connecting rod, slide and set up slider, rotation on the connecting rod set up handle and the connecting rod of rotation setting on the slider on the first locating piece, the one end of connecting rod is rotated and is set up on the slider, the other end of connecting rod is rotated and is set up on the handle, the mechanism of punching passes through the slider slides and sets up on the connecting rod.
The position of the first locating block on the connecting rod is fixed, the sliding block can slide along the connecting rod, the connecting rod is driven to move by rotating the handle, the sliding block is further pushed to slide, and the punching mechanism connected to the sliding block moves to advance for drilling or retreat. Convenient operation and accurate drilling positioning. In some embodiments, the hole-drilling mechanism is a pistol drill.
According to some preferred implementation aspects of the present invention, the positioning device further comprises a rotating rod, wherein a second positioning block is disposed on the connecting rod, one end of the rotating rod is fixed to or penetrates through the second positioning block, the other end of the rotating rod is disposed on a vertical plate close to the first positioning block, and the sliding block is disposed between the first positioning block and the second positioning block. The first positioning block, the second positioning block and the connecting rod are fixed in position and used for limiting the moving position of the sliding block. The first positioning block is used for determining the limit position of the backward movement of the sliding block, and the second positioning block is used for determining the limit position of the forward movement of the sliding block so as to limit the movement range of the pistol drill. In some embodiments, a limiting sleeve is further sleeved on the rotating rod between the sliding block and the first positioning block to control the shortest distance between the sliding block and the first positioning block.
According to some preferred implementation aspects of the invention, the first positioning block, the sliding block and the second positioning block are rotatably disposed on the connecting rod, and the rotation planes of the first positioning block, the sliding block and the second positioning block are parallel to each other. The rotating rod is connected to the connecting rod through the first positioning block, the sliding block and the second positioning block and can rotate relative to the connecting rod so as to adjust the position of the punching mechanism. Therefore, two groups of holes for the rotating rod and the connecting rod to penetrate are formed in the first positioning block, the sliding block and the second positioning block, and the axial leads of the three holes of each group are coincided. The rotation setting through the dwang for the pistol drill can realize the adjustment of the position of punching at certain within range internal rotation.
According to some preferred embodiments of the present invention, the handle and the connecting rod are located on the same rotation plane, and the rotation plane is perpendicular to the rotation planes of the first positioning block, the sliding block and the second positioning block. Namely, the rotation direction of the handle is the axial direction of the connecting rod, so that the sliding block and the pistol drill are driven to move forwards and backwards along the connecting rod; the rotation direction of the first positioning block, the sliding block and the second positioning block is the radial direction of the connecting rod, so that the rotating rod drives the pistol drill to rotate around the connecting rod.
According to some preferred embodiments of the present invention, the slider is provided with a first through hole for passing the connecting rod, a second through hole for passing the rotating rod, and a third through hole for passing the hole-punching mechanism, and bearings are disposed in the first through hole and the second through hole. The bearing facilitates the rotation between the rotating rod and the connecting rod and between the sliding blocks.
According to some preferred embodiments of the invention, a first plane is formed between the axis of the first through hole and the axis of the second through hole, a second plane is formed between the axis of the second through hole and the axis of the third through hole, and the first plane and the second plane intersect. The drilling position of the pistol drill can be adjusted by controlling the included angle between the first plane and the second plane.
According to some preferred implementation aspects of the present invention, the drilling device further includes a limiting mechanism, the limiting mechanism includes an arc-shaped groove formed on the vertical plate and a limiting hook disposed corresponding to the arc-shaped groove, the limiting hook is rotatably disposed on the vertical plate, an end portion of the rotating rod penetrates through the arc-shaped groove, and the limiting hook is configured to hook the end portion of the rotating rod so as to fix a position of the rotating rod in the arc-shaped groove. The direction of seting up of arc wall is the dwang along connecting rod pivoted partial orbit promptly, can fix the position of dwang through spacing hook, and then can fix the position of pistol drill. In some embodiments, a plurality of stop hooks of different sizes may be provided to secure the rotatable rod in different positions, allowing for more selectivity in the drilling location of the pistol drill.
According to some preferred embodiments of the present invention, the limit hook is configured to fix the rotating rod at the upper end portion of the arc-shaped groove, and a plane formed between the rotating rod and the connecting rod is parallel to a horizontal plane, that is, the first plane is parallel to the horizontal plane.
According to some preferred implementation aspects of the invention, an elastic element is arranged between the second positioning block and the sliding block, one end of the elastic element acts on the second positioning block, and the other end of the elastic element acts on the sliding block. When the handle is pushed to drive the sliding block and the pistol drill to advance to drill a hole, the sliding block compresses the elastic piece; after drilling is finished, the sliding block and the pistol drill can be automatically returned to the initial position under the action of the restoring force of the elastic piece.
According to some preferred implementation aspects of the invention, two sides of the lower end of the vertical plate are provided with downward extending hook parts, a receiving groove for receiving a part of the truss is arranged between the two hook parts, and a fastening piece for fixing the drilling device on the truss is arranged on the base corresponding to the receiving groove. Hook the truss through hook portion, rethread fastener is with drilling equipment and truss fastening connection, and the device takes place the skew during the drilling, leads to the drilling badly. The fastener is a bolt component, can rotate and extend inwards, and then is matched with the hook part for locking. The number of the fasteners is two or more.
Compared with the prior art, the invention has the advantages that: according to the drilling device, the connecting rod is driven to move by rotating the handle, so that the sliding block is pushed to slide, the punching mechanism connected to the sliding block moves, the drilling device can move forwards to drill or backwards, the operation is convenient, and the drilling positioning is accurate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a perspective view of a drilling apparatus in a preferred embodiment of the invention;
FIG. 2 is a front view of a drilling apparatus in a preferred embodiment of the invention;
FIG. 3 is a top view of a drilling apparatus in a preferred embodiment of the invention;
FIG. 4 is a side view of a drilling apparatus in a preferred embodiment of the invention;
FIG. 5 is a schematic view of a slider in a preferred embodiment of the present invention;
FIG. 6 is a schematic view of the drilling apparatus of the preferred embodiment of the present invention with the pistol drill retracted;
FIG. 7 is a schematic view of the drilling apparatus of the preferred embodiment of the present invention as the pistol drill is advanced;
wherein: the device comprises a pistol drill-1, a base-2, a first vertical plate-31, a second vertical plate-32, a connecting rod-4, a rotating rod-5, a first positioning block-61, a second positioning block-62, a sliding block-63, a first through hole-71, a second through hole-72, a third through hole-73, a bearing-8, a bolt component-9, a shaft clamp-10, a fixing sleeve-11, a limiting sleeve-12, an end cover-13, a limiting hook-141, an arc-shaped groove-142, a handle-151, a connecting rod-152, a fastener-16, a hook part-171, an accommodating groove-172, an elastic part-18 and a truss-19.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the drilling device of this embodiment includes a punching mechanism, a base 2, vertical plates located on two sides of the base 2, a connecting rod 4 connected to the two vertical plates, a rotating rod 5 capable of rotating along the connecting rod 4, an operating assembly for driving the punching mechanism to move along the connecting rod 4, and a limiting mechanism for fixing a drilling position. The vertical plate includes a first vertical plate 31 and a second vertical plate 32. The hole drilling mechanism in this embodiment is a gun drill 1, and the head of the gun drill 1 has a drill for drilling. Two ends of the connecting rod 4 are fixed on the vertical plate through end covers 13.
The operation assembly comprises a first positioning block 61 and a second positioning block 62 which are arranged on the connecting rod 4, a sliding block 63 which is arranged on the connecting rod 4 in a sliding mode, a handle 151 which is arranged on the first positioning block 61 in a rotating mode and a connecting rod 152 which is arranged on the sliding block 63 in a rotating mode, one end of the connecting rod 152 is arranged on the sliding block 63 in a rotating mode, the other end of the connecting rod 152 is arranged on the handle 151 in a rotating mode, and the pistol drill 1 is arranged on the connecting rod 4 in a sliding mode through the sliding block 63. The first vertical plate 31 is close to the first positioning block 61, and the second vertical plate 32 is close to the second positioning block 62. One side or both sides of the first positioning block 61 and the second positioning block 62 are provided with fixing sleeves 11 to fix the positions of the positioning blocks on the connecting rod 4.
One end of the rotating lever 5 is fixed to the second positioning block 62, the other end thereof is provided on the first vertical plate 31 after penetrating through the slider 63 and the first positioning block 61, and the slider 63 is provided between the first positioning block 61 and the second positioning block 62. The first positioning block 61 and the second positioning block 62 are fixed with the connecting rod 4 for limiting the moving position of the sliding block 63. The first positioning block 61 is used for determining the limit position of the backward movement of the slide block 63, and the second positioning block 62 is used for determining the limit position of the forward movement of the slide block 63, so as to limit the movement range of the pistol drill 1. In this embodiment, the rotating rod 5 between the slide block 63 and the first positioning block 61 is further sleeved with a limiting sleeve 12 to control the shortest distance between the slide block 63 and the first positioning block 61, so as to prevent the pistol drill 1 from being damaged due to excessive retreating.
In this embodiment, the first positioning block 61, the slider 63 and the second positioning block 62 are rotatably disposed on the connecting rod 4, the rotating surfaces of the first positioning block 61, the slider 63 and the second positioning block 62 are parallel to each other, the handle 151 and the connecting rod 152 are located on the same rotating surface, and the rotating surface is perpendicular to the rotating surfaces of the first positioning block 61, the slider 63 and the second positioning block 62. The rotation direction of the handle 151 is the axial direction of the connecting rod 4, so that the sliding block 63 and the pistol drill 1 are driven to move forwards and backwards along the connecting rod 4; the rotation directions of the first positioning block 61, the sliding block 63 and the second positioning block 62 are radial directions of the connecting rod 4, so that the rotating rod 5 drives the pistol drill 1 to rotate around the connecting rod 4. The rotating lever is connected to the link 4 through the first positioning block 61, the slider 63, and the second positioning block 62, and can rotate with respect to the link 4 so as to adjust the position of the pistol drill 1. Therefore, two groups of holes for the rotating rod 5 and the connecting rod 4 to penetrate are formed on the first positioning block 61, the sliding block 63 and the second positioning block 62, and the axial leads of the three holes of each group coincide. The rotation setting through dwang 5 for pistol drill 1 can realize the adjustment of the position of punching at certain within range internal rotation.
As shown in fig. 5, the slider 63 is provided with a first through hole 71 for allowing the link 4 to pass through, a second through hole 72 for allowing the rotation lever 5 to pass through, and a third through hole 73 for allowing the pistol drill 1 to pass through, bearings 8 are provided in the first through hole 71 and the second through hole 72, and a shaft clamp 10 is further provided on the slider 63 to fix the bearings 8 and prevent the bearings 8 from falling. The bearing 8 facilitates rotation between the swivelling lever 5 and the connecting rod 4 and the slider 63. A first plane is formed between the axis of the first through hole 71 and the axis of the second through hole 72, a second plane is formed between the axis of the second through hole 72 and the axis of the third through hole 73, and the first plane and the second plane intersect. The drilling position of the pistol drill 1 can be adjusted by controlling the angle between the first plane and the second plane.
An elastic element 18 is arranged between the second positioning block 62 and the sliding block 63, one end of the elastic element 18 acts on the second positioning block 62, and the other end of the elastic element 18 acts on the sliding block 63. When the handle 151 is pushed to drive the sliding block 63 and the pistol drill 1 to advance for drilling, the sliding block 63 compresses the elastic piece 18; after the drilling is finished, the slide block 63 and the pistol drill 1 can be automatically returned to the initial position under the restoring force of the elastic element 18. The elastic member 18 in this embodiment is a spring sleeved on the rotating rod 5.
Limiting mechanism is including offering the spacing hook 141 that sets up arc wall 142 and corresponding arc wall 142 on the riser, and spacing hook 141 rotates and sets up on first riser 31, and spacing hook 141 rotates and sets up on the riser, and arc wall 142 is run through to the tip of dwang 5, and spacing hook 141 is used for hooking the tip of dwang 5 with the position of fixed dwang 5 in arc wall 142. The opening direction of the arc-shaped groove 142 is the partial track of the rotating rod 5 rotating along the connecting rod 4, and the position of the rotating rod 5 can be fixed through the limiting hook 141, so that the position of the pistol drill 1 can be fixed. The limit hook 141 in this embodiment is used to fix the rotating lever 5 at the upper end portion of the arc-shaped groove 142, and at this time, a plane formed between the rotating lever 5 and the connecting rod 4 is parallel to a horizontal plane, that is, the above-mentioned first plane is parallel to the horizontal plane.
In this embodiment, the rotating rod 5 can only be fixed at the top and bottom ends of the arc-shaped groove 142, i.e. only two drilling positions. In other embodiments, a plurality of different sized limit hooks 141 may be provided to fix the rotation lever 5 at different positions, so that the perforating position of the pistol drill 1 has more selectivity.
The rotational connection of the components in this embodiment is basically by a bolt assembly 9 to effect rotation between the two components. Such as the rotary connection between the handle 151 and the connecting rod 152, the rotary connection between the lower end of the handle 151 and the first positioning block 61, the rotary connection between the lower end of the connecting rod 152 and the sliding block 63, the rotary connection between the limit hook 141 and the vertical plate, and the like.
The operation of the drilling device in this embodiment is briefly described as follows:
the drilling device is correspondingly placed on the truss 19, part of the truss 19 is accommodated in the accommodating groove 172, the fastener 16 is tightened, and the drilling device is fixed on the truss 19 through the hook part 171 at the side of the accommodating groove 172.
When the rotation lever 5 is not hooked by the limit hook 141, the end portion of the rotation lever 5 is located at the bottom of the arc-shaped groove 142. Drilling of the first hole is now performed. During drilling, the upper end of the handle 151 is pushed to rotate towards the second vertical plate 32, the sliding block 63 moves towards the second positioning block 62 under the driving of the connecting rod 152, and the sliding block 63 compresses the elastic element 18. The slide block 63 drives the pistol drill 1 to move forward, and the pistol drill 1 is operated to open for drilling, as shown in fig. 7. After the first drilling is finished, the upper portion of the pull handle 151 is rotated toward the first vertical plate 31, and the slide block 63 moves toward the first positioning block 61 by the restoring force of the elastic member 18, so that the pistol drill 1 moves synchronously, as shown in fig. 6.
Drive dwang 5 through pistol drill 1 and handle 151 and rotate, the tip of dwang 5 moves the top of arc wall 142, hooks the tip of dwang 5 with spacing hook 141, fixes the position of dwang 5, and then has confirmed the position of second drilling, is tightly carrying out the drilling operation in second hole, and the drilling process in specific process and the above-mentioned first hole is unanimous, no longer has repeated.
According to the drilling device, the connecting rod is driven to move by rotating the handle, so that the sliding block is pushed to slide, the pistol drill connected to the sliding block moves, the drilling can be carried out forwards or backwards, the operation is convenient, and the drilling positioning is accurate.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The drilling device is characterized by comprising a punching mechanism, a base, vertical plates located on two sides of the base, connecting rods connected to the two vertical plates, and an operating assembly used for driving the punching mechanism to move along the connecting rods, wherein the operating assembly comprises a first positioning block arranged on the connecting rods, a sliding block arranged on the connecting rods in a sliding mode, a handle arranged on the first positioning block in a rotating mode, and a connecting rod arranged on the sliding block in a rotating mode, one end of the connecting rod is arranged on the sliding block in a rotating mode, the other end of the connecting rod is arranged on the handle in a rotating mode, and the punching mechanism is arranged on the connecting rods in a sliding mode through the sliding block.
2. The drilling device according to claim 1, further comprising a rotating rod, wherein a second positioning block is disposed on the connecting rod, one end of the rotating rod is fixed to or penetrates through the second positioning block, the other end of the rotating rod is disposed on a vertical plate close to the first positioning block, and the sliding block is disposed between the first positioning block and the second positioning block.
3. The drilling device as claimed in claim 2, wherein the first positioning block, the sliding block and the second positioning block are rotatably disposed on the connecting rod, and the rotating surfaces of the first positioning block, the sliding block and the second positioning block are parallel to each other.
4. The drilling apparatus according to claim 3, wherein the handle and the connecting rod are located on the same rotation plane, and the rotation plane is perpendicular to the rotation planes of the first positioning block, the sliding block and the second positioning block.
5. The drilling device according to claim 2, wherein the slider is provided with a first through hole through which the link rod passes, a second through hole through which the rotating lever passes, and a third through hole through which the hole-punching mechanism passes, and wherein bearings are provided in the first through hole and the second through hole.
6. The drilling apparatus according to claim 5, wherein a first plane is formed between an axis of the first through-hole and an axis of the second through-hole, a second plane is formed between an axis of the second through-hole and an axis of the third through-hole, and the first plane intersects the second plane.
7. The drilling device according to claim 2, characterized in that the drilling device further comprises a limiting mechanism, the limiting mechanism comprises an arc-shaped groove formed in the vertical plate and a limiting hook arranged corresponding to the arc-shaped groove, the limiting hook is rotatably arranged on the vertical plate, the end portion of the rotating rod penetrates through the arc-shaped groove, and the limiting hook is used for hooking the end portion of the rotating rod so as to fix the position of the rotating rod in the arc-shaped groove.
8. The drilling apparatus according to claim 7, wherein the limit hook is used to fix the rotation rod at the upper end of the arc-shaped groove, and a plane formed between the rotation rod and the connection rod is parallel to a horizontal plane.
9. The drilling device as claimed in claim 2, wherein an elastic member is disposed between the second positioning block and the sliding block, one end of the elastic member acts on the second positioning block, and the other end of the elastic member acts on the sliding block.
10. The drilling device as claimed in any one of claims 1 to 9, wherein the two sides of the lower end of the vertical plate are provided with downward extending hook parts, a receiving groove for receiving a part of the truss is arranged between the two hook parts, and a fastening piece for fixing the drilling device on the truss is arranged on the base corresponding to the receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755814.1A CN111822752A (en) | 2020-07-31 | 2020-07-31 | Drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755814.1A CN111822752A (en) | 2020-07-31 | 2020-07-31 | Drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111822752A true CN111822752A (en) | 2020-10-27 |
Family
ID=72920196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010755814.1A Pending CN111822752A (en) | 2020-07-31 | 2020-07-31 | Drilling device |
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| Country | Link |
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| CN (1) | CN111822752A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421585C1 (en) * | 1994-06-21 | 1995-07-20 | Aesculap Ag | Tubular surgical instrument containing handle-operated rod |
| US20100180436A1 (en) * | 2009-01-21 | 2010-07-22 | Youtsey Timothy L | Compression tool with adjustable pushing length |
| CN108326627A (en) * | 2018-05-11 | 2018-07-27 | 郭文英 | A kind of power drill swarf collector for drills |
| CN108612478A (en) * | 2018-05-14 | 2018-10-02 | 陈玉玲 | A kind of drive drilling equipment facilitating adjusting position and angle |
| CN207971446U (en) * | 2017-12-31 | 2018-10-16 | 郑州元泽信息技术有限公司 | Modified drilling machine |
| CN109773241A (en) * | 2017-11-10 | 2019-05-21 | 丹阳市超宇五金磨具有限公司 | A kind of convenient electric hand drill of positioning |
| CN109893206A (en) * | 2019-04-17 | 2019-06-18 | 遵义市红花岗区人民医院 | A kind of neurosurgery drilling equipment |
| CN212371242U (en) * | 2020-07-31 | 2021-01-19 | 苏州江南嘉捷电梯有限公司 | Drilling device |
-
2020
- 2020-07-31 CN CN202010755814.1A patent/CN111822752A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421585C1 (en) * | 1994-06-21 | 1995-07-20 | Aesculap Ag | Tubular surgical instrument containing handle-operated rod |
| US20100180436A1 (en) * | 2009-01-21 | 2010-07-22 | Youtsey Timothy L | Compression tool with adjustable pushing length |
| CN109773241A (en) * | 2017-11-10 | 2019-05-21 | 丹阳市超宇五金磨具有限公司 | A kind of convenient electric hand drill of positioning |
| CN207971446U (en) * | 2017-12-31 | 2018-10-16 | 郑州元泽信息技术有限公司 | Modified drilling machine |
| CN108326627A (en) * | 2018-05-11 | 2018-07-27 | 郭文英 | A kind of power drill swarf collector for drills |
| CN108612478A (en) * | 2018-05-14 | 2018-10-02 | 陈玉玲 | A kind of drive drilling equipment facilitating adjusting position and angle |
| CN109893206A (en) * | 2019-04-17 | 2019-06-18 | 遵义市红花岗区人民医院 | A kind of neurosurgery drilling equipment |
| CN212371242U (en) * | 2020-07-31 | 2021-01-19 | 苏州江南嘉捷电梯有限公司 | Drilling device |
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