CN212222368U - Lifting driving device - Google Patents
Lifting driving device Download PDFInfo
- Publication number
- CN212222368U CN212222368U CN202020494748.2U CN202020494748U CN212222368U CN 212222368 U CN212222368 U CN 212222368U CN 202020494748 U CN202020494748 U CN 202020494748U CN 212222368 U CN212222368 U CN 212222368U
- Authority
- CN
- China
- Prior art keywords
- clamping frame
- connecting arm
- jacks
- movable connecting
- driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001174 ascending effect Effects 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a lift drive for drive card frame goes up and down, include: a drive motor; the rotary table is driven to rotate by the driving motor, the radial direction of the rotary table is matched with the lifting direction of the clamping frame, and the rotary table comprises a table body and at least one group of jacks arranged on the table body; the jacks are arranged in the thickness direction of the tray body; the ejector rod is detachably inserted into the jack and can be rotatably arranged below the movable connecting arm of the clamping frame; when the turntable rotates and drives the ejector rod to rotate towards the direction close to the movable connecting arm of the clamping frame, the clamping frame can be driven to do ascending motion; when the turntable rotates and drives the ejector rod to rotate towards the direction of the movable connecting arm far away from the clamping frame, the clamping frame can be driven to do descending motion. The lifting driving device has the advantages of simple and convenient operation, simple structure and low cost.
Description
Technical Field
The utility model relates to a drive arrangement, more specifically say, relate to a lift drive arrangement.
Background
The driving device of the test device for the contactless card reader in the related art is generally complicated in structure, difficult to operate, and high in cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a modified lift drive.
The utility model provides a technical scheme that its technical problem adopted is: a lifting driving device is constructed for driving a clamping frame to lift, and comprises:
a drive motor;
the rotary table is driven to rotate by the driving motor, the radial direction of the rotary table is matched with the lifting direction of the clamping frame, and the rotary table comprises a table body and at least one group of jacks arranged on the table body; the jacks are arranged in the thickness direction of the tray body;
the ejector rod is detachably inserted into the jack and can be rotatably arranged below the movable connecting arm of the clamping frame;
when the turntable rotates and drives the ejector rod to rotate towards the direction close to the movable connecting arm of the clamping frame, the clamping frame can be driven to do ascending motion; when the turntable rotates and drives the ejector rod to rotate towards the direction of the movable connecting arm far away from the clamping frame, the clamping frame can be driven to do descending motion.
Preferably, at least one set of said receptacles comprises a plurality of sets of receptacles; the jacks are arranged in the radial direction of the tray body at intervals.
Preferably, each group of the jacks is arranged on a circular track with the center of the turntable as the center of a circle;
the jacks are correspondingly arranged on a plurality of concentric tracks taking the center of the turntable as the circle center.
Preferably, each group of the jacks comprises a plurality of jacks arranged at intervals along the circumferential direction of the disc body;
the ejector rods comprise at least one group of ejector rods which can be inserted into any one group or multiple groups of jacks;
the number of the ejector rods on each group of the jacks is smaller than that of the jacks in the group.
Preferably, a connecting structure connected with the driving motor is arranged on the disc body.
Preferably, the connecting structure includes a connecting hole provided at the central axis of the tray body to connect with the output shaft of the driving motor.
Preferably, the connection structure further comprises a connection sleeve disposed at an outer periphery of the connection hole.
Preferably, the connection sleeve is integrally formed with the disc body.
Preferably, the connecting sleeve is fixedly connected with an output shaft of the driving motor through a fixing component.
Preferably, the tray body further comprises a connecting piece which is arranged on the tray body and corresponds to the jack to be connected with the ejector rod.
Implement the utility model discloses a lift drive has following beneficial effect: the lifting driving device drives the turntable to rotate through the driving motor and drives the ejector rod to rotate towards the direction close to the movable connecting arm of the clamping frame so as to drive the clamping frame to do lifting motion; when the driving motor drives the turntable to rotate and drives the ejector rod to rotate towards the direction of the movable connecting arm far away from the clamping frame, the clamping frame can be driven to do descending motion. The lifting driving device has the advantages of simple and convenient operation, simple structure and low cost.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a diagram illustrating a raised state of a card holder of a test device for a contactless card reader according to some embodiments of the present invention;
FIG. 2 is a schematic view of a lowered state of a card holder of the test apparatus for a contactless card reader shown in FIG. 1;
FIG. 3 is an exploded view of a portion of the card holder of the test apparatus for a contactless card reader shown in FIG. 1;
FIG. 4 is a schematic diagram of a structure of a card holder of the test equipment for a contactless card reader shown in FIG. 1 cooperating with a lifting driving device;
FIG. 5 is a schematic structural view of the elevation drive apparatus shown in FIG. 4;
FIG. 6 is a side view of the lift drive of FIG. 5;
fig. 7 is a schematic structural view of a turntable of the elevation driving apparatus shown in fig. 6.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 and 2 show some preferred embodiments of the test device for contactless card readers of the present invention. The test equipment can be used for testing the non-contact card reader and has the advantages of simple structure, simplicity and convenience in operation and low preparation cost.
As shown in fig. 1 and 2, the testing apparatus for a contactless card reader may include a mounting base 10, a pedestal 40, a card holder 20, a height adjusting bracket 30, and a lifting drive device 50. The mounting base 10 can be used for mounting the pedestal 40, the card frame 20, the height adjusting bracket 30, and the elevation driving means 50. The pedestal 40 is installed on the installation base 10 and can be set up in a lifting manner, and can be used for placing the contactless card reader 200 to be tested. The card holder 20 can be disposed on the mounting base 10, and can be lifted by the lifting driving device 50, which can be used for placing the test card 100, so that the non-contact card reader 200 can read the information in the test card 100. The height adjusting bracket 30 may be disposed on the mounting base 10, and may be used to adjust the descending height of the card frame 20. The lifting driving device 50 is mounted on the mounting base 10 and is used for driving the movable connecting arm 22 to lift and lower, thereby driving the test card 100 to lift and lower.
Further, in some embodiments, the mounting base 10 may have a flat plate shape, which may be placed on some flat surfaces. In some embodiments, the mounting base 10 may be made of sheet metal. Of course, it is understood that in other embodiments, the mounting base 10 may not be limited to sheet metal.
As shown in fig. 1 to 4, further, in some embodiments, the clamping frame 20 may include a support rod 21, an articulated arm 22, and a placing frame 23. The support bar 21 may be disposed on the mounting base 10 in a longitudinal direction, and it may be disposed perpendicular to the mounting base 10. The movable connecting arm 22 may be a connecting rod, one end of which may be movably connected with the supporting rod 21, and specifically, it may be rotatably connected with the upper portion of the supporting rod 21 by a rotating shaft. The other end of the connecting arm 22 can be connected to the rack 23, and can rotate within a predetermined angle range to lift the rack 23. In some embodiments, the set angle may be 90 ° to 180 °. The rack 23 can be fixedly connected to the movable connecting arm 22, which can be a semi-closed frame for placing the test card 100. The rack 23 may be provided with a clip 231, and the clip 231 may be used for holding and fixing the test card 100. It will be appreciated that in other embodiments, the clip 231 may be omitted. When the movable connecting arm 22 descends, the contactless card reader 100 to be tested can be in a working state, and can read the test card on the placing rack 23, and when the movable connecting arm 22 ascends, the contactless card reader 100 to be tested can be in a rest state.
Further, in some embodiments, the height adjusting bracket 30 may be longitudinally disposed on the mounting base 10, may be located below the placing frame 23, may be disposed opposite to the placing frame 23, and may be used to adjust the descending height of the placing frame 23, and in some embodiments, the height adjusting bracket 30 may include a supporting column 31, a telescopic column 32, and a first connecting assembly 33. The supporting posts 31 can be disposed perpendicular to the mounting base 10, and can be disposed parallel to and opposite to the supporting rods 21. The retractable column 32 is telescopically disposed on the supporting column 31, and specifically, in some embodiments, it can wrap around the periphery of the supporting column 31, and it can reciprocate away from or close to the mounting base 10, which can support the placing frame 23 when the placing frame 23 is lowered. When the telescopic column 32 moves towards the mounting base 10, the descending height of the placing frame 23 can be adjusted to be lower, and when the telescopic column 32 moves towards the direction far away from the mounting base 10, the descending height of the placing frame 23 can be adjusted to be higher. The first connecting assembly 33 is detachably connected to the supporting column 31 and the telescopic column 32, and is used for connecting the supporting column 31 and the telescopic column 32.
Further, in some embodiments, the supporting column 31 may be provided with a first bar-shaped fixing hole 311, the first bar-shaped fixing hole 311 may be disposed along the longitudinal direction of the supporting column 31, and the telescopic column 32 may be provided with a first guiding hole, which may be elongated and may be disposed corresponding to the first bar-shaped fixing hole 311. The first connection assembly 33 may include a first bolt 331 and a first nut 332. The first bolt 331 can be inserted into the first bar-shaped fixing hole 311 from the first guide hole to connect the supporting post 31 and the telescopic post 32. The first nut 332 may be a butterfly-shaped first nut, which is sleeved on the periphery of the first bolt 331 and used for connecting and fixing the supporting column 31 and the telescopic column 32. When the descending height of the placing frame 23 needs to be adjusted, the first nut may be unscrewed, and then the telescopic post 32 and the first bolt may be moved toward the mounting base 10 along the first guide hole, so that the overall height of the height adjusting bracket 30 is lowered, and then the first nut may be tightened. When the descending height of the placing frame 23 needs to be adjusted, the first nut can be unscrewed, then the telescopic column 32 and the first bolt are moved along the first guide hole in the direction away from the mounting base 10, so that the overall height of the height adjusting bracket 30 is raised, and then the first nut is tightened.
Further, in some embodiments, the pedestal 40 may be spaced apart from and opposite the support bar 21, which may be located below the placing frame 23, and in some embodiments, the pedestal 40 may include a platen 41 and two sets of support members 42. The platen 41 may be used for placement of a contactless card reader to be tested. The two sets of supporting members 42 can be disposed on two opposite sides of the bedplate 41, and can be telescopically disposed, and can be mutually matched for supporting the bedplate 41.
Further, in some embodiments, each set of support members 42 may include a support plate 421, a telescoping plate 422, and a second connecting member 423. The supporting plate 421 can be fixedly disposed on the mounting base 10, and a second strip fixing hole 4211 can be disposed thereon, the second strip fixing hole 4211 can be disposed along the longitudinal direction, and the number of the second strip fixing holes 4211 can be two, and the two second strip fixing holes 4211 can be disposed along the length direction of the supporting plate 421 at intervals. The retractable plate 422 is telescopically disposed outside the supporting plate 421, and detachably connected to the supporting plate 421, and an end of the retractable plate away from the mounting base 10 is connected to the platen 41, and the retractable plate can extend and retract to drive the platen 41 to move up and down. The expansion plate 422 may be integrally formed with the platen 41, and in particular, in some embodiments, it may be integrally formed with the platen 41 by casting or injection molding. The retractable plate 422 may be provided with two second guiding holes 4221, and the two second guiding holes 4221 may be longitudinally arranged and may be arranged in one-to-one correspondence with the second strip-shaped fixing holes 4211. The second connecting component 423 can be detachably connected to the supporting board 421 and the expansion board 422, and can be used to connect the supporting board 421 and the expansion board 422. In some embodiments, the second connection assembly 423 can include a second bolt 4231 and a second nut 4232. The second bolt 4231 can be inserted into the second bar-shaped fixing hole 4211 from the second guiding hole 4221, and the second nut 4232 can be sleeved on the second bolt 4231, which can be used to connect and fix the support plate 421 and the expansion plate 422. When the bedplate 41 needs to be raised, the second nuts 4232 of the support assemblies 42 on both sides can be loosened, the expansion plates 422 on both sides can be moved upwards away from the mounting base 10, and then the second nuts 4232 can be tightened. When the bedplate 41 needs to be lowered, the second nuts 4232 of the support assemblies 42 on both sides are loosened, the expansion plates 422 on both sides are moved downwards towards the mounting base 10, and then the second nuts 4232 are tightened.
As shown in fig. 4 to 7, further, in some embodiments, the lifting driving device 50 may include a driving motor 51, a turntable 52, and a push rod 53. The driving motor 51 can be mounted on the mounting base 10, and can be connected to the turntable 52, which can be used to drive the turntable 52 to rotate. It is understood that in other embodiments, the driving motor 51 and the rotating disc 52 may be connected by a gear set, and the driving motor 51 and the rotating disc 52 are not limited to a direct connection. The turntable 52 can be driven by the driving motor 51 to rotate, and its radial direction can be perpendicular to the mounting base 10, and its radial direction can be matched with the lifting direction of the card frame 20. The top rod 53 is detachably disposed on the rotary table 52, can be driven by the rotary table 522 to rotate, and can be rotatably disposed below the movable connecting arm 22 of the card frame 20, and can be used to drive the card frame 20 to ascend and descend.
Further, in some embodiments, the turntable 52 may include a tray 521 and at least one set of receptacles 522. The tray 521 may have a disk shape, and a radial direction thereof may be perpendicularly disposed to the mounting base 10. The at least one set of insertion holes 522 may be disposed on the tray 521, and each insertion hole may be disposed in a thickness direction of the tray 521, and may be used for inserting with the push rod 53.
The tray 521 is provided with a connection structure connected to the driving motor 51. The connection structure may be located at a central axis of the tray body 521. In some embodiments, the connection structure may include a connection sleeve 5211 and a connection aperture 5212. The connection sleeve 5211 may be a column shape, which may be disposed at the central axis of the plate 521, may protrude from the plate 521, and is located at the outer periphery of the connection hole 5212, and may be integrally formed with the plate 521, specifically, in some embodiments, may be integrally formed with the plate 521 by casting or injection molding. The connection hole 5212 may be disposed on the connection sleeve 5211, and it may be located at the central axis of the tray body 521, and may be disposed through the tray body 521 along the thickness direction of the tray body 521, which may be used for connecting with the output shaft of the driving motor 51. In some embodiments, the connection sleeve 5211 can further comprise a connection protrusion 5213, and the connection protrusion 5213 can be a column shape, which can protrude from the outer side wall of the connection sleeve 5211 and can be disposed inside the through hole communicated with the connection hole 5212. The through hole may be located in a radial direction of the connection sleeve 5211. The connection sleeve 5211 and the output shaft of the driving motor 51 can be fixedly connected by a fixing component. The fixing member may be a fastening bolt and a fastening nut, which are inserted into the coupling hole 5211 from the coupling protrusion 5213 and are protruded from the other side of the coupling sleeve 5211. The fastening nut can be sleeved on one end of the fastening screw penetrating out of the connecting sleeve 5211.
Further, in some embodiments, the at least one set of jacks is a plurality of sets of jacks, each set of jacks may include a plurality of jacks spaced apart along the circumference of the tray 521, and specifically, in some embodiments, it may be three sets of jacks, each set of jacks may include 36 jacks. It will be appreciated that in other embodiments, the receptacles are not limited to three sets, and each set is not limited to 36. The three groups of insertion holes may be disposed at intervals in the radial direction of the tray 521, and each group of insertion holes is disposed on a circular track with the center of the turntable 52 as the center, and each group of insertion holes may form a circle. Of course, it will be understood that in other embodiments, it is not limited to form a circle around, and it may form an arc. In some embodiments, the three sets of jacks may be disposed on a plurality of concentric tracks that are circular about the center of the turntable 52. The diameters of the concentric circular tracks are different, the diameters of the concentric circular tracks are gradually reduced towards the center direction close to the disc body 521, the ejector rods are inserted into the jacks on the concentric circular tracks with different diameters, and the jacks are plugged into different groups of jacks, so that the lifting height of the clamping frame 20 can be adjusted. By reducing or increasing the number of the inserted ejector rods in each group of jacks, the time for the card frame 20 to stop descending or ascending can be adjusted, and the card reading and rest time ratio of the non-contact card reader to be tested can be adjusted.
In some embodiments, the push rod 53 is detachably inserted into the insertion hole 522, and the position of the push rod 53 can be adjusted, and it can be inserted into any one of the insertion holes. In some embodiments, the ejector 53 may include a set of ejector 53, the set of ejector 53 is detachably inserted into any one or more sets of insertion holes, and the number of the ejector 53 may be multiple, although it is understood that in other embodiments, the ejector 53 may not be limited to one set, and may also be multiple sets, and the number of each set of ejector is not limited to multiple, and may also be one. In some embodiments, the number of the top rods 53 on each set of the insertion holes 522 is less than the number of the set of the insertion holes 522, so as to facilitate driving the card frame 20 to ascend and descend.
When in use, the turntable 52 rotates and drives the top rod 53 to rotate towards the direction of the movable connecting arm 22 close to the card frame 20, so as to drive the card frame 20 to do ascending motion, and specifically, drive the movable connecting arm 22 to rotate towards the direction away from the mounting base 10, so as to drive the placing frame 23 to ascend; when the turntable 52 rotates and drives the top rod 53 to rotate towards the direction of the connecting arm 22 away from the card frame 20, the card frame 20 can be driven to move downwards, specifically, the connecting arm 22 can be driven to rotate towards the mounting base 10, and the placing frame 23 is driven to move downwards.
When the lifting rack is used, the ejector rods are fixed in the jacks on the circular tracks with larger diameters, so that the lifting height of the movable connecting arms 22 is higher, the lifting height of the placing rack 23 is higher, and the lifting height is lower. When the number of the ejector rods on the circular track is reduced, the staying time of the movable connecting arm 22 after descending is prolonged, and then the staying time of the placing frame 23 after descending is prolonged, so that the rest time of the non-contact card reader in one period is shorter, that is, the card reading time of the non-contact card reader in one period is longer, conversely, the number of the ejector rods on the circular track is increased, the staying time of the movable connecting arm 22 after ascending is prolonged, and then the staying time of the placing frame 23 after ascending is prolonged, and then the rest time of the airplane out of the card reader in one period is longer, that is, the card reading time of the non-basic card reader in one period is shorter.
In some embodiments, the lifting driving device may further include a plurality of connectors 54, and the connectors 54 may be disposed on the tray 521, specifically, on a side of the tray 521 opposite to the connecting sleeve 5211, and may be disposed corresponding to the push rods 52 one by one, and the connectors 522 may be disposed corresponding to the insertion holes 522, and may be sleeved on an end of the push rod 52 penetrating through the insertion holes 522 to fix the push rod 522. It is understood that the connecting member 54 can be a nut, and a section of the rod 522 extending out of the insertion hole 522 can be provided with a thread structure screwed on the nut.
Further, in some embodiments, the lifting driving device may further include a mounting bracket 55, and the mounting bracket 55 may be disposed on the mounting substrate 10, may be disposed perpendicular to the mounting base 10, and may be used for mounting the driving motor 51.
Further, in some embodiments, the testing device of the contactless card reader may further include a motor governor 60, and the motor governor 60 may be mounted on the mounting base 10, which may be connected with the driving motor 51, which may be used to adjust the rotation speed of the driving motor 51. It will be appreciated that in other embodiments, the motor governor 60 may be omitted.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A lifting driving device for driving a card frame (20) to lift is characterized by comprising:
a drive motor (51);
the rotary table (52) is driven to rotate by the driving motor (51), the radial direction of the rotary table (52) is matched with the lifting direction of the clamping frame (20), and the rotary table comprises a table body (521) and at least one group of jacks (522) arranged on the table body (521); the insertion hole (522) is provided in the thickness direction of the tray body (521);
the push rod (53) is detachably inserted into the insertion hole (522) and can be rotatably arranged below the movable connecting arm (22) of the clamping frame (20);
when the turntable (52) rotates and drives the mandril (53) to rotate towards the direction close to the movable connecting arm (22) of the clamping frame (20), the clamping frame (20) can be driven to do ascending motion; when the turntable (52) rotates and drives the mandril (53) to rotate towards the direction of the movable connecting arm (22) far away from the clamping frame (20), the clamping frame (20) can be driven to do descending motion.
2. The lift drive of claim 1, wherein at least one of said sets of receptacles (522) comprises a plurality of sets of receptacles (522); the plurality of groups of the insertion holes (522) are arranged at intervals in the radial direction of the disc body (521).
3. The lift drive of claim 2, wherein each set of receptacles is disposed on a circular path centered on the center of the turntable (52);
the groups of jacks are correspondingly arranged on a plurality of concentric tracks which take the center of the rotating disc (52) as the center of a circle.
4. The lift drive of claim 3, wherein each set of said receptacles (522) includes a plurality of receptacles (522) spaced circumferentially along said tray (521);
the ejector rod (53) comprises at least one group of ejector rods (53) which can be inserted into any one or more groups of the insertion holes (522);
the number of the ejector rods (53) on each group of the insertion holes (522) is smaller than that of the insertion holes (522) of the group.
5. The elevating driving device as claimed in claim 1, wherein the tray body (521) is provided with a connection structure connected to the driving motor (51).
6. The elevation driving apparatus of claim 5, wherein the connection structure includes a connection hole (5212) provided at a center shaft of the tray body (521) to be connected with an output shaft of the driving motor (51).
7. The lift drive of claim 6, wherein the connection structure further comprises a connection sleeve (5211) disposed at an outer periphery of the connection hole (5212).
8. The lift drive of claim 7, wherein the connecting sleeve (5211) is integrally formed with the disc (521).
9. The lift drive of claim 7, characterised in that the coupling sleeve (5211) is fixedly coupled to the output shaft of the drive motor (51) by means of a fixing assembly.
10. The elevating driving device as set forth in claim 1, further comprising a connector (54) provided on the tray body (521) and corresponding to the insertion hole (522) to connect the push rod (53).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020494748.2U CN212222368U (en) | 2020-04-07 | 2020-04-07 | Lifting driving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020494748.2U CN212222368U (en) | 2020-04-07 | 2020-04-07 | Lifting driving device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212222368U true CN212222368U (en) | 2020-12-25 |
Family
ID=73906094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020494748.2U Expired - Fee Related CN212222368U (en) | 2020-04-07 | 2020-04-07 | Lifting driving device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212222368U (en) |
-
2020
- 2020-04-07 CN CN202020494748.2U patent/CN212222368U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN212222368U (en) | Lifting driving device | |
CN211827266U (en) | Test equipment for non-contact card reader | |
CN116073611A (en) | Stator positioning guiding plug wire mechanism | |
CN215881425U (en) | Magnetic suspension motor bearing assembly fixture | |
CN110417212B (en) | Wire pulling device for motor winding group | |
CN215067095U (en) | Over-and-under type chip check out test set | |
CN212370858U (en) | Steel wire unwinding equipment used in manufacturing of spiral spring | |
CN212845060U (en) | Simple visual detection device | |
CN210648876U (en) | Supporting device for tapping of large double-head screw | |
CN116931380A (en) | Servo adjustment system | |
CN113916690A (en) | Power battery test system for new energy automobile | |
CN107565778B (en) | Direct-drive motor rotor mounting structure and method | |
CN218918117U (en) | Double-shaft antenna scanning device | |
CN216956266U (en) | Electric shock prevention quick testing device for integrated circuit | |
CN220435055U (en) | Fan base convenient to remove | |
CN215076867U (en) | Just, dress formula location structure for drawing for planar design | |
CN212707591U (en) | Lifting and positioning structure for plastic mold | |
CN221088921U (en) | Three-dimensional adjustment test mounting platform | |
CN117886123B (en) | Detection loading device | |
CN217620258U (en) | Flange type angle adjusting base | |
CN220104042U (en) | Three-coordinate measuring device | |
CN220509039U (en) | LCR testing device | |
CN221260524U (en) | Sampling device for detecting components of environment-friendly paint | |
CN221881034U (en) | Industry monitoring data acquisition device | |
CN211931010U (en) | Four-head desk type chip mounter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
|
CF01 | Termination of patent right due to non-payment of annual fee |