CN118513997A - Single-stage pump processing special fixture - Google Patents
Single-stage pump processing special fixture Download PDFInfo
- Publication number
- CN118513997A CN118513997A CN202410985029.3A CN202410985029A CN118513997A CN 118513997 A CN118513997 A CN 118513997A CN 202410985029 A CN202410985029 A CN 202410985029A CN 118513997 A CN118513997 A CN 118513997A
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- China
- Prior art keywords
- plate
- shaped clamping
- clamping plate
- inclined guide
- stage pump
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- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000003754 machining Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000005498 polishing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of clamps and provides a single-stage pump processing special clamp which comprises a frame, an L-shaped clamping plate and a temporary supporting plate, wherein a lifting table is arranged on a linear driving element, a rotary table is rotatably arranged on the lifting table, a driven toothed ring is rotatably arranged on a fixed ring, a plurality of inclined guide rods are fixed on the driven toothed ring, the inclined guide rods penetrate through guide through grooves, the temporary supporting plate is movably arranged at the inner side end of the inclined guide rods, the temporary supporting plate can move relative to the inclined guide rods, and when the temporary supporting plate is not acted by external force, the temporary supporting plate can move to an initial installation position; the L-shaped clamping plate is connected with the rotary table through a movable rod, one end of the movable rod is hinged with the L-shaped clamping plate, and the other end of the movable rod is hinged with the rotary table. According to the invention, through the arrangement of the driven toothed ring, the L-shaped clamping plate, the inclined guide rod and the temporary supporting plate, the clamping position of the L-shaped clamping plate can be automatically replaced, and the part shielded by the L-shaped clamping plate can be polished.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a special clamp for machining a single-stage pump.
Background
The single-stage centrifugal pump shell is a common part and is in a disc volute shape, a plurality of single-stage centrifugal pump shells are obtained through casting, and after casting, the surfaces of the pump shells need to be polished, drilled and other processing, so that the subsequent assembly of the pump shells is facilitated. When polishing and grinding processing is carried out, the pump shell needs to be fixed, and because the shape of the centrifugal pump shell is special, three or more clamping plates are often required to be arranged for clamping and fixing the centrifugal pump shell, so that a part of the surface of the pump shell is shielded by the clamping plates, and the centrifugal pump shell cannot be ground in all directions. Accordingly, it is desirable to provide a single stage pump tooling fixture that addresses the above-described issues.
Disclosure of Invention
The invention aims to provide a special fixture for machining a single-stage pump, and aims to solve the problems in the background art.
In order to achieve the above purpose, the invention provides a special fixture for single-stage pump processing, which comprises a frame, wherein a linear driving element and a driving motor are arranged on the frame, the special fixture for single-stage pump processing further comprises an L-shaped clamping plate for clamping and fixing a single-stage pump shell, and a temporary supporting plate for facilitating the position adjustment of the L-shaped clamping plate, wherein a lifting table is arranged on the linear driving element, a revolving table is rotatably arranged on the lifting table, a fixed ring is arranged on the frame, a driven toothed ring is rotatably arranged on the fixed ring, the driving motor drives the driven toothed ring, a plurality of inclined guide rods are fixed on the driven toothed ring, a guide through groove is arranged on the L-shaped clamping plate, the inclined guide rods penetrate through the guide through groove, the L-shaped clamping plate is connected with the inclined guide rods in a sliding fit manner, and the temporary supporting plate is movably arranged at the inner side end of the inclined guide rods and can move relatively to the inclined guide rods; the L-shaped clamping plate is connected with the rotary table through a movable rod, one end of the movable rod is hinged with the L-shaped clamping plate, and the other end of the movable rod is hinged with the rotary table.
As a further scheme of the invention, the movable rods, the inclined guide rods, the temporary support plates and the L-shaped clamping plates are in one-to-one correspondence, and the movable rods, the inclined guide rods, the temporary support plates and the L-shaped clamping plates are distributed in a circumferential array relative to the central line of the rotary table.
As a further scheme of the invention, the inclined guide rod is obliquely arranged, the inner side end of the inclined guide rod is higher than the outer side end of the inclined guide rod, the L-shaped clamping plate comprises a horizontal plate, the top surface of the temporary supporting plate is a horizontal plane, and when the L-shaped clamping plate clamps and fastens the pump shell, the L-shaped clamping plate plays a supporting and fixing role, and the temporary supporting plate is separated from the bottom surface of the pump shell; when the L-shaped clamping plate is temporarily separated from the pump shell to perform transposition, the temporary supporting plate plays a supporting and fixing role, and the temporary supporting plate is in close contact with the bottom surface of the pump shell.
As a further scheme of the invention, the bottom surface of the temporary supporting plate is provided with a plurality of fixing frames, each fixing frame is provided with a roller, the rollers are distributed along an arc shape, the top surface of the inclined guide rod is provided with a track groove, and the rollers can roll along the track groove; the inclined guide rod is fixedly connected with a fixed block, one end of the temporary support plate is connected with an extension block, and the extension block is connected with the fixed block through a reset spring.
As a further scheme of the invention, both sides of the track groove are provided with limit clamping grooves, the fixing frame is connected with limit clamping plates, the limit clamping plates are connected with the limit clamping grooves in a sliding fit manner, the limit clamping plates are arc-shaped plates, and the two ends of the limit clamping plates are respectively fixed with a stop block.
As a further scheme of the invention, the L-shaped clamping plate is formed by connecting a horizontal plate and a vertical plate, an arc-shaped opening is formed in the inner side of the vertical plate, a gasket is connected to the inner side surface of the vertical plate, and a plurality of rollers are movably connected to the surface of the horizontal plate.
As a further scheme of the invention, the driving motor is fixedly arranged on the frame, a driving gear is coaxially and fixedly connected to an output shaft of the driving motor, the driving gear is meshed with the driven toothed ring, and the fixed ring is connected with the frame through a plurality of supporting legs.
As a further scheme of the invention, when the temporary supporting plate is not acted by external force, the return spring is of original length; when the temporary supporting plate and the inclined guide rod rotate relatively, the return spring is in a stretched state.
In summary, the beneficial effects of the invention are as follows:
According to the invention, through the arrangement of the driven toothed ring, the L-shaped clamping plate, the inclined guide rod and the temporary support plate, the clamped pump shell can rotate, so that polishing processing on each surface of the pump shell is facilitated, the lower part of the pump shell is not blocked by the whole support plate, and the bottom surface can still be polished; in addition, the clamping position of the L-shaped clamping plate can be automatically replaced, the part shielded by the L-shaped clamping plate can be polished, and the part shielded before the edge of the bottom of the pump shell can be polished along with the replacement of the temporary supporting plate, so that the omnibearing polishing processing is realized.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
Fig. 1 is a schematic three-dimensional structure diagram of a single-stage pump processing special fixture according to an embodiment of the present invention.
Fig. 2 is a schematic three-dimensional structure diagram of a special fixture for machining a single-stage pump according to an embodiment of the invention.
Fig. 3 is a schematic three-dimensional structure of a single-stage pump processing special fixture according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a front structure of a single stage pump processing fixture according to an embodiment of the present invention.
Fig. 5 is an enlarged partial schematic view at a in fig. 2.
Fig. 6 is a partially enlarged schematic view of fig. 5 at D.
Fig. 7 is a partially enlarged schematic view at B in fig. 3.
Fig. 8 is an enlarged partial schematic view at C in fig. 4.
Reference numerals: the device comprises a 1-frame, a 2-fixed ring, a 3-linear driving element, a 4-driving motor, a 5-driving gear, a 6-driven toothed ring, a 7-L-shaped clamping plate, an 8-inclined guide rod, a 9-temporary supporting plate, a 10-lifting table, an 11-rotary table, a 12-movable rod, a 13-ball, a 14-gasket, a 15-fixed block, a 16-extending block, a 17-return spring, a 18-track groove, a 19-fixed frame, a 20-roller, a 21-limit clamping plate, a 22-limit clamping groove, a 23-stop block, a 24-guide through groove, a 25-supporting leg, a 71-horizontal plate and a 72-vertical plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1,2,3 and 4, the special fixture for single-stage pump processing provided by the embodiment of the invention comprises a frame 1, wherein a linear driving element 3 and a driving motor 4 are installed on the frame 1, and preferably, the linear driving element 3 is an air cylinder or a hydraulic cylinder, and the linear driving element 3 is vertically arranged. The special fixture for machining the single-stage pump further comprises an L-shaped clamping plate 7 for clamping and fixing the single-stage pump shell and a temporary supporting plate 9 for facilitating position adjustment of the L-shaped clamping plate 7, a lifting table 10 is fixedly arranged on the telescopic end of the linear driving element 3, the lifting table 10 is horizontally arranged, a rotary table 11 is rotatably arranged on the lifting table 10, the rotary table 11 is cylindrical, the rotary table 11 is connected with the lifting table 10 through a bearing, a fixed ring 2 is arranged on the frame 1, the fixed ring 2 is horizontally arranged, a driven toothed ring 6 is rotatably arranged on the fixed ring 2, the driven toothed ring 6 and the fixed ring 2 are also connected through a bearing, the driving motor 4 rotationally drives the driven toothed ring 6, a plurality of inclined guide rods 8 are fixed on the inner side surface of the driven toothed ring 6, guide through grooves 24 are arranged on the L-shaped clamping plate 7, the inclined guide rods 8 penetrate through the guide through grooves 24, the L-shaped clamping plate 7 and the inclined guide rods 8 are in sliding fit, the supporting plate 9 is movably arranged on the inner side end of the inclined guide rods 8, the temporary supporting plate 9 and can move relative to the temporary supporting plate 9 when the temporary supporting plate 9 and the temporary supporting plate 9 cannot move to the initial position due to the temporary supporting plate 9; the L-shaped clamping plate 7 is connected with the rotary table 11 through a movable rod 12, one end of the movable rod 12 is hinged with the L-shaped clamping plate 7, and the other end of the movable rod 12 is hinged with the rotary table 11. The clamped pump shell can rotate through the arrangement of the driven toothed ring 6, the L-shaped clamping plate 7 and the temporary supporting plate 9, the main body of the clamped pump shell is in a disc shape, the polishing processing of each surface of the pump shell is facilitated, the lower part of the pump shell is not blocked by the whole supporting plate, and the bottom surface of the pump shell can still be polished; in addition, the clamping position of the L-shaped clamping plate 7 can be automatically replaced, so that the part shielded by the L-shaped clamping plate 7 can be polished.
In the embodiment of the invention, the movable rod 12, the inclined guide rod 8, the temporary support plate 9 and the L-shaped clamping plate 7 are in one-to-one correspondence, preferably, the movable rod 12, the inclined guide rod 8, the temporary support plate 9 and the L-shaped clamping plate 7 are three in number, and the movable rods 12, the inclined guide rod 8, the temporary support plate 9 and the L-shaped clamping plate 7 are distributed in a circumferential array with respect to the central line of the turntable 11, so that the clamping effect is good and the processing is convenient.
Referring to fig. 1,2, 3, 4 and 5, in the embodiment of the present invention, the inclined guide rod 8 is disposed obliquely, and the inner side end of the inclined guide rod 8 is higher than the outer side end, so that the L-shaped clamping plate 7 is convenient to separate from the pump casing and does not damage the pump casing, the L-shaped clamping plate 7 includes a horizontal plate 71, the top surface of the temporary support plate 9 is a horizontal plane, when the L-shaped clamping plate 7 clamps and fastens the pump casing, the L-shaped clamping plate 7 supports and fixes the pump casing, and the temporary support plate 9 is separated from the bottom surface of the pump casing with a small gap; when the L-shaped clamping plate 7 is temporarily separated from the pump shell to perform transposition, the L-shaped clamping plate 7 moves obliquely downwards, so that friction is not formed between the L-shaped clamping plate 7 and the bottom surface of the pump shell, the temporary supporting plate 9 plays a supporting and fixing role, and the temporary supporting plate 9 is in close contact with the bottom surface of the pump shell.
Referring to fig. 1 to 8, in the embodiment of the present invention, a plurality of fixing frames 19 are mounted on the bottom surface of the temporary support plate 9, each fixing frame 19 is provided with a roller 20, the plurality of rollers 20 are distributed along an arc shape, a track groove 18 is provided on the top surface of the inclined guide rod 8, and the rollers 20 can roll along the track groove 18; the inclined guide rod 8 is fixedly connected with a fixed block 15, the fixed block 15 is not in contact with the temporary support plate 9, one end of the temporary support plate 9 is connected with an extension block 16, and the extension block 16 is connected with the fixed block 15 through a reset spring 17. When the temporary support plate 9 is not acted by external force, the return spring 17 is of original length, or can be restored to original length, namely the temporary support plate 9 can return to the original installation position; when the temporary support plate 9 and the inclined guide rod 8 rotate relatively, the return spring 17 is in a stretched state.
In the embodiment of the invention, the two sides of the track groove 18 are respectively provided with a limit clamping groove 22, the fixing frame 19 is connected with a limit clamping plate 21, the limit clamping plate 21 is in sliding fit connection with the limit clamping grooves 22, the limit clamping plate 21 is an arc-shaped plate, and the two ends of the limit clamping plate 21 are respectively fixed with a stop block 23, so that the temporary supporting plate 9 can smoothly rotate relative to the inclined guide rod 8.
In the embodiment of the invention, the L-shaped clamping plate 7 is formed by connecting a horizontal plate 71 and a vertical plate 72, the inner side surface of the vertical plate 72 is connected with a gasket 14, the inner side of the vertical plate 72 is provided with an arc-shaped opening, and the surface of the horizontal plate 71 is movably connected with a plurality of rollers 20. The driving motor 4 is fixedly arranged on the frame 1, a driving gear 5 is coaxially and fixedly connected to an output shaft of the driving motor 4, the driving gear 5 is in meshed connection with the driven toothed ring 6, and the fixed ring 2 is connected with the frame 1 through a plurality of supporting legs 25. The driving motor 4 is started, the driving gear 5 rotates and drives the driven toothed ring 6 to rotate, so that the plurality of inclined guide rods 8 rotate and drive the L-shaped clamping plate 7 to rotate.
The working process of the embodiment of the invention is as follows: when the pump shell needs to be polished in all directions, the single-stage centrifugal pump shell is firstly placed on the temporary supporting plate 9, the temporary supporting plate 9 supports the single-stage centrifugal pump shell, then the linear driving element 3 is started, the lifting table 10 descends, under the transmission effect of the movable rod 12, the L-shaped clamping plates 7 move in the obliquely upward direction along the inclined guide rod 8 until the L-shaped clamping plates 7 clamp and fix the single-stage centrifugal pump shell, at the moment, the roller 20 on the surface of the horizontal plate 71 slightly jacks the pump shell, the temporary supporting plate 9 is separated from the bottom surface of the pump shell, then the surface of the pump shell can be polished and processed, and in the polishing process, when the pump shell needs to be rotated, the driving motor 4 is started. After a period of time, when the shielding part of the L-shaped clamping plate 7 needs to be polished, the linear driving element 3 is started to enable the lifting table 10 to ascend, the L-shaped clamping plates 7 move along the inclined guide rods 8 in the obliquely downward direction, the L-shaped clamping plates 7 are separated from the single-stage centrifugal pump shell, at the moment, the temporary supporting plates 9 play a supporting and fixing role, the temporary supporting plates 9 are in close contact with the bottom surface of the pump shell, then the driving motor 4 is started to enable the L-shaped clamping plates 7 to rotate for a certain angle, the lifting table 10 is further enabled to descend, the L-shaped clamping plates 7 clamp and fix the single-stage centrifugal pump shell again, at the moment, the clamping and fixing positions are changed, the shielded part can also be polished, at the moment, the temporary supporting plates 9 are separated from the bottom surface of the pump shell, under the action of the reset springs 17, the temporary supporting plates 9 are rotated and the shielded part at the bottom of the pump shell can also be polished.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and their equivalents.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a special fixture for single-stage pump processing, includes frame (1), installs sharp driving element (3) and driving motor (4) on frame (1), its characterized in that, special fixture for single-stage pump processing still includes L shape splint (7) that are used for carrying out clamp fixation to the single-stage pump case to and be convenient for L shape splint (7) carry out position adjustment's interim backup pad (9), install elevating platform (10) on sharp driving element (3), install revolving platform (11) on elevating platform (10) rotation, be provided with solid fixed ring (2) on frame (1), gu fixed ring (2) are gone up to rotate and are installed driven toothed ring (6), driving motor (4) are driven toothed ring (6) and are fixed with a plurality of slope guide bar (8) on driven toothed ring (6), be provided with direction logical groove (24) on L shape splint (7), slope guide bar (8) run through direction logical groove (24), L shape splint (7) and slope guide bar (8) sliding fit connection, interim backup pad (9) movable mounting is at slope guide bar (8) and is equipped with temporary support bar (8) and is produced when slope guide bar (9) is relative to the effect when outer force can not be received, the temporary support plate (9) will move to the initial installation position; the L-shaped clamping plate (7) is connected with the rotary table (11) through a movable rod (12), one end of the movable rod (12) is hinged with the L-shaped clamping plate (7), and the other end of the movable rod (12) is hinged with the rotary table (11).
2. The single-stage pump machining special fixture according to claim 1, wherein the movable rod (12), the inclined guide rod (8), the temporary support plate (9) and the L-shaped clamping plate (7) are in one-to-one correspondence, and the movable rods (12), the inclined guide rod (8), the temporary support plate (9) and the L-shaped clamping plate (7) are all distributed in a circumferential array with respect to the center line of the turntable (11).
3. The single-stage pump machining special fixture according to claim 1, characterized in that the inclined guide rod (8) is arranged in an inclined manner, the inner side end of the inclined guide rod (8) is higher than the outer side end, the L-shaped clamping plate (7) comprises a horizontal plate (71), the top surface of the temporary supporting plate (9) is a horizontal plane, and when the L-shaped clamping plate (7) clamps and fastens the pump shell, the L-shaped clamping plate (7) plays a supporting and fixing role, and the temporary supporting plate (9) is separated from the bottom surface of the pump shell; when the L-shaped clamping plate (7) is temporarily separated from the pump shell to perform transposition, the temporary supporting plate (9) plays a supporting and fixing role, and the temporary supporting plate (9) is tightly contacted with the bottom surface of the pump shell.
4. The single-stage pump machining special fixture according to claim 1, characterized in that a plurality of fixing frames (19) are mounted on the bottom surface of the temporary supporting plate (9), each fixing frame (19) is provided with a roller (20), the plurality of rollers (20) are distributed along an arc shape, the top surface of the inclined guide rod (8) is provided with a track groove (18), and the rollers (20) can roll along the track groove (18); fixed block (15) is fixedly connected to inclined guide rod (8), one end of temporary support plate (9) is connected with extension block (16), extension block (16) are connected with fixed block (15) through reset spring (17).
5. The single-stage pump machining special fixture according to claim 4, wherein two sides of the track groove (18) are provided with limiting clamping grooves (22), the fixing frame (19) is connected with limiting clamping plates (21), the limiting clamping plates (21) are connected with the limiting clamping grooves (22) in a sliding fit manner, the limiting clamping plates (21) are arc-shaped plates, and the two ends of the limiting clamping plates (21) are fixedly provided with stop blocks (23).
6. The single-stage pump machining special fixture according to claim 4, wherein the L-shaped clamping plate (7) is formed by connecting a horizontal plate (71) and a vertical plate (72), an arc-shaped opening is formed in the inner side of the vertical plate (72), a gasket (14) is connected to the inner side surface of the vertical plate (72), and a plurality of rollers (20) are movably connected to the surface of the horizontal plate (71).
7. The single-stage pump machining special fixture according to claim 1, characterized in that the driving motor (4) is fixedly installed on the frame (1), a driving gear (5) is coaxially and fixedly connected to an output shaft of the driving motor (4), the driving gear (5) is in meshed connection with the driven gear ring (6), and the fixed ring (2) is connected with the frame (1) through a plurality of supporting legs (25).
8. -Single-stage pump machining special fixture according to claim 4, characterized in that the return spring (17) is of original length when the temporary support plate (9) is not subjected to external forces; when the temporary supporting plate (9) and the inclined guide rod (8) rotate relatively, the return spring (17) is in a stretched state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410985029.3A CN118513997B (en) | 2024-07-23 | 2024-07-23 | Single-stage pump processing special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410985029.3A CN118513997B (en) | 2024-07-23 | 2024-07-23 | Single-stage pump processing special fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118513997A true CN118513997A (en) | 2024-08-20 |
| CN118513997B CN118513997B (en) | 2024-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410985029.3A Active CN118513997B (en) | 2024-07-23 | 2024-07-23 | Single-stage pump processing special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118513997B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119427077A (en) * | 2025-01-07 | 2025-02-14 | 四川科跃热传电子有限公司 | Diamond tool grinding machine |
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| CN113290273A (en) * | 2021-07-28 | 2021-08-24 | 常州市一新干燥设备有限公司 | Numerical control drilling machine for machining high-speed centrifugal spray dryer |
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| CN116198213A (en) * | 2023-04-25 | 2023-06-02 | 漳州市嘉利达纸制品有限公司 | Carton surface printing equipment and printing process |
| CN219799200U (en) * | 2023-04-14 | 2023-10-03 | 深圳中科飞测科技股份有限公司 | Clamping device and detection equipment |
| CN117345012A (en) * | 2023-11-20 | 2024-01-05 | 北京市北泡轻钢建材有限公司 | Temporary supporting device for steel structure hoisting construction |
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2024
- 2024-07-23 CN CN202410985029.3A patent/CN118513997B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB654127A (en) * | 1948-09-07 | 1951-06-06 | Electric Furnace Co | Improvements relating to the handling of pins |
| CN113478159A (en) * | 2021-07-16 | 2021-10-08 | 成都磐拓谷科技有限公司 | Head welding equipment |
| CN113290273A (en) * | 2021-07-28 | 2021-08-24 | 常州市一新干燥设备有限公司 | Numerical control drilling machine for machining high-speed centrifugal spray dryer |
| CN219799200U (en) * | 2023-04-14 | 2023-10-03 | 深圳中科飞测科技股份有限公司 | Clamping device and detection equipment |
| CN116198213A (en) * | 2023-04-25 | 2023-06-02 | 漳州市嘉利达纸制品有限公司 | Carton surface printing equipment and printing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119427077A (en) * | 2025-01-07 | 2025-02-14 | 四川科跃热传电子有限公司 | Diamond tool grinding machine |
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| CN118513997B (en) | 2024-10-01 |
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