CN212885242U - Positioning mechanism for drilling of cutting teeth of coal mining machine - Google Patents
Positioning mechanism for drilling of cutting teeth of coal mining machine Download PDFInfo
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- CN212885242U CN212885242U CN202021663524.6U CN202021663524U CN212885242U CN 212885242 U CN212885242 U CN 212885242U CN 202021663524 U CN202021663524 U CN 202021663524U CN 212885242 U CN212885242 U CN 212885242U
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- lead screw
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- sleeve
- clamping
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- 239000003245 coal Substances 0.000 title claims abstract description 29
- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 230000036346 tooth eruption Effects 0.000 title abstract description 6
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 abstract description 16
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model discloses a positioning mechanism for drilling a cutting tooth of a coal mining machine, which belongs to the technical field of drilling positioning devices and comprises a bracket and a clamping component; the clamping assembly comprises a lower limiting sleeve and an upper limiting sleeve which are longitudinally arranged oppositely, and two clamping plates which are transversely arranged oppositely, the clamping plates are positioned between the lower limiting sleeve and the upper limiting sleeve, and the axes of the lower limiting sleeve and the upper limiting sleeve are superposed with the vertical central line between the two clamping plates; the lower limiting sleeve is fixedly connected to the middle part of the supporting bottom plate, a first lead screw sliding block structure which is longitudinally arranged is arranged on the inner side of the upper support plate, and the upper limiting sleeve is connected with a first sliding block in the first lead screw sliding block structure through a connecting rod which is transversely arranged; lower stop collar and last stop collar all are inside hollow round platform body structure, and the big footpath end of lower stop collar and last stop collar sets up in opposite directions. The mechanism can synchronously realize bidirectional clamping on the semi-finished products of the cutting teeth of the coal mining machine, has good clamping effect and high efficiency, and can be suitable for the semi-finished products of the cutting teeth of the coal mining machine with different specifications.
Description
Technical Field
The utility model belongs to the technical field of drilling positioner, in particular to coal-winning machine pick positioning mechanism for drilling.
Background
The mining cutting tooth is one of the vulnerable parts in coal mining and roadway tunneling machinery, is a main tool for coal falling and breaking, and has the performance that the performance of the cutting tooth directly influences the exertion of the production capacity of the coal mining machinery, the power consumption, the working stability and the service life of other related parts.
The cutting tooth of the coal mining machine belongs to one kind of cutting tooth for mining, the manufacturing of the cutting tooth needs to be processed by blank processing, cold extrusion, turning, drilling and the like, when drilling, a semi-finished product of the cutting tooth of the coal mining machine needs to be clamped and positioned, the existing clamping and positioning structure clamps the semi-finished product of the cutting tooth of the coal mining machine from the peripheral side, the clamping effect is poor, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coal-winning machine pick positioning mechanism for drilling, it can realize the two-way centre gripping to coal-winning machine pick semi-manufactured goods in step, and the centre gripping is effectual, and is efficient, and can be adapted to the coal-winning machine pick semi-manufactured goods to different specifications.
In order to achieve the above purpose, the solution of the present invention is:
a positioning mechanism for drilling a cutting tooth of a coal cutter comprises a bracket and a clamping assembly;
the clamping assembly comprises a lower limiting sleeve and an upper limiting sleeve which are longitudinally arranged oppositely, and two clamping plates which are transversely arranged oppositely, wherein the clamping plates are positioned between the lower limiting sleeve and the upper limiting sleeve, and the axes of the lower limiting sleeve and the upper limiting sleeve are superposed with the vertical central line between the two clamping plates;
the support comprises a U-shaped support bottom plate, a first side vertical plate and a second side vertical plate which are connected to the support bottom plate and are oppositely arranged, and an upper support plate which is connected to the upper end of the second side vertical plate and is shaped like Contraband;
the lower limiting sleeve is fixedly connected to the middle part of the supporting bottom plate, a first lead screw sliding block structure which is longitudinally arranged is arranged on the inner side of the upper support plate, and the upper limiting sleeve is connected with a first sliding block in the first lead screw sliding block structure through a connecting rod which is transversely arranged; the lower limiting sleeve and the upper limiting sleeve are both of a hollow circular truncated cone structure, the large-diameter ends of the lower limiting sleeve and the upper limiting sleeve are oppositely arranged, and drill bit through holes for a drill bit to pass through are formed in the opposite sides of the lower limiting sleeve and the upper limiting sleeve; the horizontal second lead screw slider structure that sets up is equipped with between first side riser and the second side riser, and the both ends side of second lead screw slider structure all is equipped with a second slider, and two splint are connected respectively on two second sliders, are connected with the level setting between first side riser and the second side riser and are located the spacing layer board of splint top, the middle part front end side of spacing layer board is seted up one and is gone up the arc breach that the spacing cover coaxial line set up with lower spacing cover and last spacing cover, one side of second side riser dorsad spacing layer board is located to first lead screw slider structure, second lead screw slider structure is located the rear of spacing cover down.
The first lead screw sliding block structure comprises a first lead screw, a first sliding block, a first guide rod and a first guide sleeve, wherein the first sliding block is sleeved on the first lead screw in a thread adaptive manner, the first guide rod is positioned on one side of the first lead screw in parallel, the first guide sleeve is sleeved on the first guide rod in a sliding manner and is fixedly connected with the first sliding block, and the connecting rod is fixedly connected with the first guide sleeve; the second screw rod sliding block structure comprises a second screw rod, two second sliding blocks which are adaptively sleeved on the two end sides of the second screw rod through threads, a second guide rod which is positioned on one side of the second screw rod in parallel, and two second guide sleeves which are sleeved on the second guide rod in a sliding mode and fixedly connected with the second sliding blocks on the corresponding sides, wherein the rotating directions of the threads on the two end sides of the second screw rod are opposite.
One end of the second lead screw penetrates through the first side vertical plate and is connected with a driving motor, a supporting plate used for supporting the driving motor is fixed at the top of the corresponding end of the supporting bottom plate, a fixed block is fixed at the top of the other end of the supporting bottom plate, the other end of the second lead screw penetrates through the second side vertical plate and is connected onto the fixed block through a bearing, the upper end of the first lead screw is connected with the top surface of the inner side of the upper support plate through the bearing, the lower end of the first lead screw penetrates through the bottom of the upper support plate and is connected onto the fixed block through the bearing, a large bevel gear and a small bevel gear which are meshed with each other are correspondingly fixed and sleeved on the close end sides of the second lead screw and the first lead screw respectively.
Flexible pads are laid on the opposite surfaces of the two clamping plates.
After the scheme is adopted, the utility model discloses compare prior art's beneficial effect is:
(1) the utility model can vertically clamp the semi-finished product of the cutting pick of the coal mining machine by arranging the fixed lower limiting sleeve and the upper limiting sleeve driven by the first lead screw slider structure to move up and down; the two oppositely arranged clamping plates driven by the second lead screw sliding block structure can transversely clamp the semi-finished product of the cutting tooth of the coal mining machine, can be driven by one motor and can simultaneously realize bidirectional clamping on the semi-finished product of the cutting tooth of the coal mining machine, and the clamping effect is better;
(2) the lower limiting sleeve and the upper limiting sleeve of the utility model are both of a round table body structure with hollow inner parts, and the large-diameter ends of the lower limiting sleeve and the upper limiting sleeve are oppositely arranged, so that the lower limiting sleeve and the upper limiting sleeve can be suitable for clamping semi-finished cutting teeth of coal mining machines with different specifications; and two splint that set up in opposite directions also can be applicable to the coal-winning machine pick semi-manufactured goods of centre gripping different specifications and carry out the centre gripping, then this device can be adapted to the coal-winning machine pick semi-manufactured goods of different specifications.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
FIG. 3 is a schematic structural view of section B-B of FIG. 1;
FIG. 4 is a schematic view of a semi-finished shearer pick to be drilled into the present invention;
fig. 5 is the structure schematic diagram of the middle clamping component clamping the semi-finished product of the cutting pick of the coal mining machine.
Reference numerals:
a pallet 1; a drive motor 2; a second slider 3; a clamping plate 4; a first side vertical plate 5;
an arc-shaped notch 6; a limiting supporting plate 7; an upper limit sleeve 8; a drill bit through opening 9;
a connecting rod 10; a first guide sleeve 11; a first slider 12; an upper bracket plate 13;
a first lead screw 14; a first guide bar 15;
a second side riser 16; a bevel pinion 17; a bearing 18; a fixed block 19;
a support base plate 20; a large bevel gear 21; a flexible pad 22; a lower stop collar 23;
a second guide bar 24; a second lead screw 25; a second guide sleeve 26;
a shearer pick semi-finished product 27.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a positioning mechanism for drilling cutting teeth of a coal mining machine, which comprises a bracket and a clamping component; the clamping assembly comprises a lower limiting sleeve 23, an upper limiting sleeve 8 and two clamping plates 4, wherein the lower limiting sleeve 23 and the upper limiting sleeve 8 are longitudinally arranged oppositely, the two clamping plates 4 are transversely arranged oppositely, the clamping plates 4 are positioned between the lower limiting sleeve 23 and the upper limiting sleeve 8, the axial lines of the lower limiting sleeve 23 and the upper limiting sleeve 8 are superposed with the vertical central line between the two clamping plates 4, the support comprises a U-shaped supporting bottom plate 20, a first side vertical plate 5 and a second side vertical plate 16 which are connected to the supporting bottom plate 20 and are oppositely arranged, and an upper support plate 13 which is connected to the upper end of the second side vertical plate 16 and is in a shape of Contraband;
as shown in fig. 1, 2 and 3, the lower limiting sleeve 23 is fixedly connected to the middle of the supporting base plate 20, a first lead screw slider structure is longitudinally arranged on the inner side of the upper supporting plate 13, the upper limiting sleeve 8 is connected to a first slider 12 in the first lead screw slider structure through a connecting rod 10 which is transversely arranged, the lower limiting sleeve 23 and the upper limiting sleeve 8 are both in a circular truncated cone structure with a hollow inner portion, the large-diameter ends of the lower limiting sleeve 23 and the upper limiting sleeve 8 are oppositely arranged, and drill bit through holes 9 for a drill bit to pass through are formed in opposite sides of the lower limiting sleeve 23 and the upper limiting sleeve 8; the structure is characterized in that a second lead screw slider structure is transversely arranged between the first lateral plate 5 and the second lateral plate 16, two second sliders 3 are arranged on two ends of the second lead screw slider structure, the two clamping plates 4 are respectively connected to the two second sliders 3, a limiting support plate 7 which is horizontally arranged and located above the clamping plates 4 is connected between the first lateral plate 5 and the second lateral plate 16, an arc-shaped notch 6 which is coaxially arranged with the lower limiting sleeve 23 and the upper limiting sleeve 8 is formed in the front end side of the middle of the limiting support plate 7, the first lead screw slider structure is arranged on one side, opposite to the limiting support plate 7, of the second lateral plate 16, and the second lead screw slider structure is located behind the lower limiting sleeve 23.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the first lead screw slider structure includes a first lead screw 14, a first slider 12 which is fittingly sleeved on the first lead screw 14 through a thread, a first guide rod 15 which is positioned at one side of the first lead screw 14 in parallel, and a first guide sleeve 11 which is slidably sleeved on the first guide rod 15 and fixedly connected with the first slider 12, wherein the connecting rod 10 is fixedly connected with the first guide sleeve 11; the second screw rod sliding block structure comprises a second screw rod 25, two second sliding blocks 3 which are adaptively sleeved on the two end sides of the second screw rod 25 through threads, a second guide rod 24 which is positioned on one side of the second screw rod 25 in parallel, and two second guide sleeves 26 which are slidably sleeved on the second guide rod 24 and fixedly connected with the second sliding blocks 3 on the corresponding sides, wherein the rotating directions of the threads on the two end sides of the second screw rod 25 are opposite. Through the rotation of the first lead screw 14, the first guide sleeve 11 is matched with the longitudinal sliding connection of the first guide rod 15, the first slide block 12 can be driven to move along the first lead screw 14 in the longitudinal direction, and the first slide block 12 effectively drives the upper limit sleeve 8 to move up and down through the connecting rod 10; through the rotation of second lead screw 25, cooperation second uide bushing 26 and the horizontal sliding connection of second guide arm 24 can drive second slider 3 and carry out ascending removal in horizontal direction along second lead screw 25, and because the spiral of the screw thread on the both ends side of second lead screw 25 is opposite for two second sliders 3 carry out the removal in opposite directions or carried on the back mutually, can effectively drive two splint 4 and carry out the centre gripping or relax.
As a preferred embodiment of the present invention, as shown in fig. 1, one end of the second lead screw 25 passes through the first side vertical plate 5 and is connected to the driving motor 2, a supporting plate 1 for supporting a driving motor 2 is fixed on the top of the corresponding end of the supporting bottom plate 20, a fixed block 19 is fixed on the top of the other end of the supporting bottom plate 20, the other end of the second lead screw 25 passes through the second side vertical plate 16 and is connected to the fixed block 19 through a bearing 18, the upper end of the first lead screw 14 is connected with the inner top surface of the upper support plate 13 through a bearing 18, the lower end of the first lead screw 14 passes through the bottom of the upper support plate 13 and is connected to a fixed block 19 through the bearing 18, and the close end sides of the second screw 25 and the first screw 14 are respectively and correspondingly fixedly sleeved with a large bevel gear 21 and a small bevel gear 17 which are meshed with each other, and the large bevel gear 21 is vertical to the small bevel gear 17. The second screw rod 25 can be directly driven to rotate by the driving motor 2, and meanwhile, the large bevel gear 21 rotates along with the second screw rod, the small bevel gear 17 can be driven to rotate, the first screw rod 14 can be driven to rotate by the small bevel gear, namely, the first screw rod sliding block structure and the second screw rod sliding block structure can be driven by one motor at the same time.
As a preferred embodiment of the present invention, as shown in fig. 1, two of the clamping plates 4 are laid with flexible pads 22 on their facing surfaces. The flexible pad 22 prevents hard contact of the clamping plate 4 with the shearer pick blank 27, thereby facilitating protection of the shearer pick blank 27.
The utility model discloses a theory of operation is:
firstly, the upper limiting sleeve 8 is lifted to a high position, the lower end of the semi-finished product 27 of the cutting tooth of the coal mining machine is inserted into the lower limiting sleeve 23, the convex part of the semi-finished product 27 of the cutting tooth of the coal mining machine is erected on the limiting supporting plate 7, as shown in fig. 4, then the driving motor 2 is started, the second lead screw 25 is directly driven to rotate, the second slide blocks 3 can be driven to move along the second lead screw 25 in the transverse direction by matching with the transverse sliding connection of the second guide sleeve 26 and the second guide rod 24, and the two second slide blocks 3 move oppositely because the screw threads on the two end sides of the second lead screw 25 are opposite in turning direction, so that the two clamping plates 4 can be effectively driven to move towards the side where the semi-finished product 27 of the cutting tooth of the coal mining machine is located; meanwhile, the large bevel gear 21 rotates along with the rotation of the second lead screw 25 to drive the small bevel gear 17 to rotate, so that the first lead screw 14 can be driven to rotate, the first guide sleeve 11 is connected with the first guide rod 15 in a longitudinal sliding manner, the first slide block 12 can be driven to move downwards along the first lead screw 14, the first slide block 12 effectively drives the upper limit sleeve 8 to descend through the connecting rod 10, the upper limit sleeve 8 is tightly sleeved on the semi-finished product 27 of the cutting tooth of the coal mining machine, and the lower end of the semi-finished product 27 of the cutting tooth of the coal mining machine is tightly pressed in the lower limit sleeve 23, because the lower limit sleeve 23 and the upper limit sleeve 8 are both in a hollow circular truncated cone structure, the lower limit sleeve 23 and the upper limit sleeve 8 can realize longitudinal clamping on the semi-finished product 27 of the cutting tooth of the coal mining machine, the device can realize bidirectional clamping on the semi-finished product 27 of the cutting tooth of the coal mining machine, as shown in figure 5, and is driven by only one motor, and then, and drilling into the lower limiting sleeve 23 to complete the drilling.
The lower limiting sleeve 23 and the upper limiting sleeve 8 are both in a hollow circular truncated cone structure, and the large-diameter ends of the lower limiting sleeve 23 and the upper limiting sleeve 8 are oppositely arranged, so that the lower limiting sleeve 23 and the upper limiting sleeve 8 can be suitable for clamping semi-finished cutting tooth cutting picks of coal mining machines with different specifications; and two splint 4 that set up in opposite directions also can be applicable to the coal-winning machine pick semi-manufactured goods of centre gripping different specifications and carry out the centre gripping, then this device can be adapted to the coal-winning machine pick semi-manufactured goods of different specifications.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. The utility model provides a coal-winning machine pick positioning mechanism for drilling which characterized in that: comprises a bracket and a clamping component;
the clamping assembly comprises a lower limiting sleeve and an upper limiting sleeve which are longitudinally arranged oppositely, and two clamping plates which are transversely arranged oppositely, wherein the clamping plates are positioned between the lower limiting sleeve and the upper limiting sleeve, and the axes of the lower limiting sleeve and the upper limiting sleeve are superposed with the vertical central line between the two clamping plates;
the support comprises a U-shaped support bottom plate, a first side vertical plate and a second side vertical plate which are connected to the support bottom plate and are oppositely arranged, and an upper support plate which is connected to the upper end of the second side vertical plate and is shaped like Contraband;
the lower limiting sleeve is fixedly connected to the middle part of the supporting bottom plate, a first lead screw sliding block structure which is longitudinally arranged is arranged on the inner side of the upper support plate, and the upper limiting sleeve is connected with a first sliding block in the first lead screw sliding block structure through a connecting rod which is transversely arranged; the lower limiting sleeve and the upper limiting sleeve are both of a hollow circular truncated cone structure, the large-diameter ends of the lower limiting sleeve and the upper limiting sleeve are oppositely arranged, and drill bit through holes for a drill bit to pass through are formed in the opposite sides of the lower limiting sleeve and the upper limiting sleeve; the horizontal second lead screw slider structure that sets up is equipped with between first side riser and the second side riser, and the both ends side of second lead screw slider structure all is equipped with a second slider, and two splint are connected respectively on two second sliders, are connected with the level setting between first side riser and the second side riser and are located the spacing layer board of splint top, the middle part front end side of spacing layer board is seted up one and is gone up the arc breach that the spacing cover coaxial line set up with lower spacing cover and last spacing cover, one side of second side riser dorsad spacing layer board is located to first lead screw slider structure, second lead screw slider structure is located the rear of spacing cover down.
2. The positioning mechanism for cutting pick drilling of the coal mining machine according to claim 1, characterized in that: the first lead screw sliding block structure comprises a first lead screw, a first sliding block, a first guide rod and a first guide sleeve, wherein the first sliding block is sleeved on the first lead screw in a thread adaptive manner, the first guide rod is positioned on one side of the first lead screw in parallel, the first guide sleeve is sleeved on the first guide rod in a sliding manner and is fixedly connected with the first sliding block, and the connecting rod is fixedly connected with the first guide sleeve; the second screw rod sliding block structure comprises a second screw rod, two second sliding blocks which are adaptively sleeved on the two end sides of the second screw rod through threads, a second guide rod which is positioned on one side of the second screw rod in parallel, and two second guide sleeves which are sleeved on the second guide rod in a sliding mode and fixedly connected with the second sliding blocks on the corresponding sides, wherein the rotating directions of the threads on the two end sides of the second screw rod are opposite.
3. The positioning mechanism for cutting pick drilling of the coal mining machine according to claim 2, characterized in that: one end of the second lead screw penetrates through the first side vertical plate and is connected with a driving motor, a supporting plate used for supporting the driving motor is fixed at the top of the corresponding end of the supporting bottom plate, a fixed block is fixed at the top of the other end of the supporting bottom plate, the other end of the second lead screw penetrates through the second side vertical plate and is connected onto the fixed block through a bearing, the upper end of the first lead screw is connected with the top surface of the inner side of the upper support plate through the bearing, the lower end of the first lead screw penetrates through the bottom of the upper support plate and is connected onto the fixed block through the bearing, a large bevel gear and a small bevel gear which are meshed with each other are correspondingly fixed on the close end sides of the second lead screw and the first lead screw respectively, and the.
4. The positioning mechanism for cutting pick drilling of the coal mining machine according to any one of claims 1 to 3, characterized in that: flexible pads are laid on the opposite surfaces of the two clamping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663524.6U CN212885242U (en) | 2020-08-11 | 2020-08-11 | Positioning mechanism for drilling of cutting teeth of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663524.6U CN212885242U (en) | 2020-08-11 | 2020-08-11 | Positioning mechanism for drilling of cutting teeth of coal mining machine |
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| Publication Number | Publication Date |
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| CN212885242U true CN212885242U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021663524.6U Active CN212885242U (en) | 2020-08-11 | 2020-08-11 | Positioning mechanism for drilling of cutting teeth of coal mining machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101735A (en) * | 2021-11-05 | 2022-03-01 | 中国航发北京航科发动机控制系统科技有限公司 | Machining method for controlling nozzle aperture based on feeding amount |
| CN117532301A (en) * | 2024-01-10 | 2024-02-09 | 太原理工大学 | Ultrasonic transmission device for rapidly connecting and disassembling mining cutting pick |
-
2020
- 2020-08-11 CN CN202021663524.6U patent/CN212885242U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101735A (en) * | 2021-11-05 | 2022-03-01 | 中国航发北京航科发动机控制系统科技有限公司 | Machining method for controlling nozzle aperture based on feeding amount |
| CN117532301A (en) * | 2024-01-10 | 2024-02-09 | 太原理工大学 | Ultrasonic transmission device for rapidly connecting and disassembling mining cutting pick |
| CN117532301B (en) * | 2024-01-10 | 2024-03-22 | 太原理工大学 | Ultrasonic transmission device for rapidly connecting and disassembling mining cutting pick |
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Address after: 224100 No. 86, Xingye Road, Dazhong Industrial Park, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Address before: 224100 Dazhong Industrial Park, Dazhong community, Dafeng District, Yancheng City, Jiangsu Province Patentee before: Yancheng outway Machinery Technology Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2023980053973 Denomination of utility model: A positioning mechanism for coal mining machine cutting teeth drilling Granted publication date: 20210406 License type: Common License Record date: 20231226 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2023980053973 Date of cancellation: 20240926 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yancheng Outewei Machinery Manufacturing Co.,Ltd. Assignor: Outewei (Jiangsu) Machinery Technology Co.,Ltd. Contract record no.: X2024980017838 Denomination of utility model: A positioning mechanism for cutting teeth and drilling holes in a coal mining machine Granted publication date: 20210406 License type: Common License Record date: 20241010 |