CN113041593A - Tennis service robot device capable of adjusting power and angle - Google Patents
Tennis service robot device capable of adjusting power and angle Download PDFInfo
- Publication number
- CN113041593A CN113041593A CN202110233831.3A CN202110233831A CN113041593A CN 113041593 A CN113041593 A CN 113041593A CN 202110233831 A CN202110233831 A CN 202110233831A CN 113041593 A CN113041593 A CN 113041593A
- Authority
- CN
- China
- Prior art keywords
- plate
- vertical
- angle
- rod
- fixedly connected
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/38—Training appliances or apparatus for special sports for tennis
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Handcart (AREA)
Abstract
The invention relates to the technical field of sports equipment, in particular to a tennis ball serving machine device capable of adjusting power and angle, and solves the problem that in the prior art, the height of a serving machine is usually fixed, so that the serving machine device cannot well adapt to the use requirements of service persons with different heights, and inconvenience is caused. The utility model provides a tennis service robot of adjustable power way and angle is put, includes the loading board, and top one side of loading board is provided with rotary mechanism, and rotary mechanism's top is connected with adjustment mechanism through a plurality of cylinder, and rotary mechanism includes the roof that device storehouse and device storehouse top level set up, and the inner chamber bottom center department in device storehouse is provided with from the driving wheel, and one side from the driving wheel is connected with the action wheel through the slide caliper rule meshing. The invention is convenient for rotation, height and angle adjustment, has reasonable structure and convenient operation, is suitable for the requirements of ball service persons with different heights, and has convenient use and strong practicability.
Description
Technical Field
The invention relates to the technical field of sports equipment, in particular to a tennis ball serving machine device capable of adjusting power and angle.
Background
The service and the service are of special significance in tennis match, and with the increasing intensification of tennis match, the powerful service technology can counteract the strong threat of the service of the other party and can actively initiate attack to the other party by taking the weak machine of the service of the other party to strive for initiative in the field.
The practice of present tennis all relies on double sparring basically, can appear the service man during double exercise and can't hold the angle, dynamics and the rotation of service all to guarantee lasting unanimity, influence the problem of training efficiency to the height of service robot is fixed usually, can not adapt to the service demand of the service man of different heights well like this, causes the inconvenience.
Disclosure of Invention
The invention aims to provide a tennis ball serving machine device capable of adjusting the power and the angle, and solves the problem that the height of a serving machine in the prior art is usually fixed, so that the serving machine device cannot well adapt to the use requirements of service persons with different heights, and is inconvenient.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tennis ball serving device with adjustable power and angle comprises a bearing plate, wherein a rotating mechanism is arranged on one side of the top of the bearing plate, and the top of the rotating mechanism is connected with an adjusting mechanism through a plurality of cylinders;
the rotating mechanism comprises a device bin and a top plate horizontally arranged at the top of the device bin, a driven wheel is arranged at the center of the bottom of an inner cavity of the device bin, one side of the driven wheel is connected with a driving wheel through caliper engagement, the driven wheel and the driving wheel are both rotationally connected with the bottom of the inner cavity of the device bin through a rotating shaft, one side of the driven wheel, away from the rotating shaft, is fixedly connected with a first shaft rod, one end of an extension section of the first shaft rod penetrates through the top of the device bin through a shaft sleeve, one side of the driving wheel, away from the rotating shaft, is fixedly connected with a second shaft rod, one side of the top of the device bin is provided with a motor, one end of an output shaft extension section of the motor is in transmission connection;
a connecting plate is arranged on one side of the bottom of the adjusting mechanism, four first air cylinders are arranged, output ends of the four first air cylinders are fixedly connected with four corners of the bottom of the connecting plate respectively, and the four first air cylinders are all arranged on the top of the top plate;
the adjusting mechanism comprises a horizontally arranged mounting plate, a guide rod groove penetrating through the mounting plate is formed in one side of the mounting plate, vertical rods are arranged on two sides of the guide rod groove, the guide rod groove is connected with a guide rod matched with the guide rod in a sliding mode, sliding blocks are fixedly connected to two ends of the guide rod, sliding grooves matched with the sliding blocks are formed in one sides, corresponding to the two vertical rods, of the two vertical rods, a first limiting inserting rod is arranged on one side, opposite to the two vertical rods, of the two vertical rods, a plurality of first limiting inserting grooves matched with the first limiting inserting rods are linearly arrayed in the vertical direction, and each first limiting inserting groove is communicated with the sliding groove;
vertical plates are arranged on one sides of the two vertical rods, a roller groove penetrating through each vertical plate is formed in one side of each vertical plate, rollers are connected to the insides of the two roller grooves in a sliding mode, one sides, corresponding to the two rollers, of the two rollers are rotatably connected with the two sides of the mounting plate through rotating shafts, a second limiting insertion rod is arranged on one side, opposite to the two vertical plates, of the two vertical plates, and a second limiting insertion groove matched with the second limiting insertion rod is formed in the positions, located on the two sides of the mounting groove, of the two vertical plates;
the top center department of mounting panel is connected with a service section of thick bamboo through a plurality of supporting shoe, top one side intercommunication of a service section of thick bamboo has the storage ball pipe, the inner chamber one end sliding connection of a service section of thick bamboo has the service ejector pin rather than the looks adaptation, the one end of a service section of thick bamboo is provided with cylinder two, cylinder two and mounting panel bolt fixed connection, the one end and the service ejector pin fixed connection of the output of cylinder two.
Preferably, the device bin is circular in shape, the top plate is circular in shape, and the diameters of the top plate and the device bin are the same.
Preferably, the bottom circumference array of roof is provided with a plurality of and rotates the wheel, every the top that rotates the wheel all with roof fixed connection, just the top edge in device storehouse is seted up and is rotated the rotation groove of taking turns looks adaptation.
Preferably, the bottom of each vertical rod and the bottom of each vertical plate are fixedly connected with the connecting plate.
Preferably, each roller groove is at an angle of 10-45 ° to the connecting plate.
Preferably, a ball storage frame is arranged on one side of the top of the bearing plate, a placing groove matched with the ball storage frame is formed in one side of the top of the bearing plate, and the bottom of the ball storage frame is fixedly connected with the bottom of an inner cavity of the placing groove through bolts.
Preferably, four corners of the bottom of the bearing plate are connected with movable wheels through supporting rods.
Preferably, one side of the bearing plate is fixedly connected with a push rod.
The invention has at least the following beneficial effects:
when the ball serving device needs to be rotatably adjusted, the motor is started, the output shaft of the motor drives the driving wheel to rotate through the shaft rod II, so as to drive the driven wheel to rotate, the shaft rod can drive the top plate to rotate, the motor is turned off when the required angle is achieved, the rotary adjustment can be completed, when the height needs to be adjusted, the cylinder I is started, the cylinder I pushes the connecting plate to rise, the height can be adjusted, when the launching angle of the ball serving barrel needs to be adjusted, the limit inserting rod I and the limit inserting rod II are pulled out, the mounting plate is adjusted in height through the guide rod and the sliding block, the roller slides in the roller groove, the limit inserting rod I and the limit inserting rod II are inserted back into the limit inserting groove I and the limit inserting groove II after the required angle is achieved, the mounting plate can be limited and fixed, the angle adjustment is completed, the rotation, the height and angle adjustment are convenient, the structure is reasonable, the operation, convenient to use, the practicality is strong.
The invention also has the following beneficial effects:
when the device needs to be moved, the push rod is pulled, the bearing plate is pushed to move through the moving wheel, the operation is convenient, the time and the labor are saved, the situation that operators are injured due to carrying is avoided, and the health of the operators is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a ball storage frame according to the present invention;
FIG. 3 is a schematic view of the mounting plate structure of the present invention;
FIG. 4 is a schematic view of a guide bar structure according to the present invention
FIG. 5 is a schematic view of the structure of the device chamber of the present invention
Fig. 6 is a schematic view of the structure of the service ejector rod of the invention.
In the figure: 1. a moving wheel; 2. a support bar; 3. a carrier plate; 4. a rotation mechanism; 5. a first cylinder; 6. an adjustment mechanism; 7. a ball dispensing cylinder; 8. a ball storage tube; 9. a support block; 10. a second air cylinder; 11. a connecting plate; 13. a ball storage frame; 14. a push rod; 15. a placement groove; 401. a rotating wheel; 402. a top plate; 403. a driven wheel; 404. a motor; 405. a rotating groove; 406. a device bin; 407. a driving wheel; 408. a first shaft lever; 409. a second shaft lever; 601. a first limiting inserted rod; 602. a first limiting slot; 603. a vertical rod; 604. a slider; 605. a second limiting slot; 606. a vertical plate; 607. a second limiting inserted rod; 608. a roller; 609. a guide bar; 610. a guide bar groove; 611. mounting a plate; 612. a roller groove; 1002. a serving ejector rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1 to 6, the tennis ball serving device capable of adjusting power and angle comprises a bearing plate 3, wherein a rotating mechanism 4 is arranged on one side of the top of the bearing plate 3, and the top of the rotating mechanism 4 is connected with an adjusting mechanism 6 through a plurality of cylinders 5.
The rotating mechanism 4 comprises a device bin 406 and a top plate 402 horizontally arranged at the top of the device bin 406, a driven wheel 403 is arranged at the center of the bottom of an inner cavity of the device bin 406, one side of the driven wheel 403 is connected with a driving wheel 407 through caliper engagement, the driven wheel 403 and the driving wheel 407 are both rotatably connected with the bottom of the inner cavity of the device bin 406 through a rotating shaft, a first shaft rod 408 is fixedly connected to one side of the driven wheel 403 far away from the rotating shaft, one end of an extension section of the first shaft rod 408 penetrates through the top of the device bin 406 through a shaft sleeve, a second shaft rod 409 is fixedly connected to one side of the driving wheel 407 far away from the rotating shaft, a motor 404 is installed at one side of the top of the device bin 406, one end of an extension section of an output shaft of the.
Connecting plate 11 is provided with on one side of the bottom of adjustment mechanism 6, and cylinder 5 is provided with four, and the output of four cylinder 5 is respectively in four corner fixed connection in the bottom of connecting plate 11, and the top at roof 402 is all installed to four cylinder 5.
The riser 606 is arranged on one side of each vertical rod 603, the roller groove 612 penetrating through the riser 606 is formed in one side of each vertical rod 606, the rollers 608 are connected inside the roller grooves 612 in a sliding mode, one side, corresponding to the two rollers 608, of each vertical rod is connected with the two sides of the mounting plate 611 through rotating shafts in a rotating mode, two limiting insertion rods 607 are arranged on one side, opposite to the two vertical rods 606, of each vertical rod 606, and two limiting insertion grooves 605 matched with the two limiting insertion rods 607 are formed in positions, located on the two sides of the mounting grooves, of the two vertical rods 606.
The top center of the mounting plate 611 is connected with a service barrel 7 through a plurality of supporting blocks 9, one side of the top of the service barrel 7 is communicated with a ball storage pipe 8, one end of an inner cavity of the service barrel 7 is slidably connected with a service ejector rod 1002 matched with the service barrel, one end of the service barrel 7 is provided with a second air cylinder 10, the second air cylinder 10 is fixedly connected with the mounting plate 611 through bolts, and one end of an output end of the second air cylinder 10 is fixedly connected with the service ejector rod 1002.
The embodiment can show that: when the ball serving device needs to be adjusted in a rotating mode, the motor 404 is started, the output shaft of the motor 404 drives the driving wheel 407 to rotate through the second shaft rod 409 so as to drive the driven wheel 403 to rotate, the first shaft rod 408 can drive the top plate 402 to rotate, the motor 404 is turned off after the required angle is achieved, the rotating adjustment can be completed, when the height needs to be adjusted, the first air cylinder 5 is started, the first air cylinder 5 pushes the connecting plate 11 to be lifted, the height can be adjusted, when the launching angle of the ball serving barrel 7 needs to be adjusted, the first limit inserting rod 601 and the second limit inserting rod 607 are pulled out, the mounting plate 611 is adjusted in height through the guide rod 609 and the sliding block 604, the roller 608 slides in the roller groove 612, the first limit inserting rod 601 and the second limit inserting rod 607 are inserted back into the first limit inserting groove 602 and the second limit inserting groove 605 after the required angle is achieved, the limiting and the fixing can be performed on the, and rational in infrastructure, the simple operation is fit for the person's of serving of different heights demand, convenient to use, and the practicality is strong.
Example two
Referring to fig. 1-6, the device bin 406 is circular, the top plate 402 is circular, the diameter of the top plate 402 is the same as that of the device bin 406, the bottom circumferential array of the top plate 402 is provided with a plurality of rotating wheels 401, the top of each rotating wheel 401 is fixedly connected with the top plate 402, the edge of the top of the device bin 406 is provided with a rotating groove 405 matched with the rotating wheel 401, the bottom of each vertical rod 603 and a vertical plate 606 is fixedly connected with a connecting plate 11, the angle between each roller groove 612 and the connecting plate 11 is 10-45 degrees, one side of the top of the bearing plate 3 is provided with a ball storage frame 13, one side of the top of the bearing plate 3 is provided with a placing groove 15 matched with the ball storage frame 13, the bottom of the ball storage frame 13 is fixedly connected with the bottom of an inner cavity of the placing groove 15 through bolts, four corners of the bottom of the bearing plate 3 are connected with moving wheels 1 through support rods 2, when the device needs to be moved, the push rod 14 is pulled, the bearing plate 3 is pushed to move through the moving wheel 1, the operation is convenient, the time and the labor are saved, the situation that operators are injured due to carrying is avoided, and the health of the operators is protected.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A tennis ball serving device capable of adjusting power and angle comprises a bearing plate (3), and is characterized in that a rotating mechanism (4) is arranged on one side of the top of the bearing plate (3), and the top of the rotating mechanism (4) is connected with an adjusting mechanism (6) through a plurality of cylinders I (5);
the rotating mechanism (4) comprises a device bin (406) and a top plate (402) horizontally arranged at the top of the device bin (406), a driven wheel (403) is arranged at the center of the bottom of an inner cavity of the device bin (406), one side of the driven wheel (403) is connected with a driving wheel (407) in a meshing manner through a caliper, the driven wheel (403) and the driving wheel (407) are both rotatably connected with the bottom of the inner cavity of the device bin (406) through rotating shafts, one side, far away from the rotating shafts, of the driven wheel (403) is fixedly connected with a first shaft rod (408), one end of an extending section of the first shaft rod (408) penetrates through the top of the device bin (406) through a shaft sleeve, one side, far away from the rotating shafts, of the driving wheel (407) is fixedly connected with a second shaft rod (409), one side of the top of the device bin (406) is provided with a motor (404), one end of an output shaft extending section, the bottom center of the top plate (402) is fixedly connected with a first shaft rod (408);
a connecting plate (11) is arranged on one side of the bottom of the adjusting mechanism (6), four first air cylinders (5) are arranged, the output ends of the four first air cylinders (5) are fixedly connected with four corners of the bottom of the connecting plate (11) respectively, and the four first air cylinders (5) are all arranged on the top of the top plate (402);
the adjusting mechanism (6) comprises a horizontally arranged mounting plate (611), a guide rod groove (610) penetrating through the mounting plate (611) is formed in one side of the mounting plate (611), vertical rods (603) are arranged on two sides of the guide rod groove (610), a guide rod (609) matched with the guide rod groove (610) is connected to the guide rod groove (610) in a sliding mode, sliding blocks (604) are fixedly connected to two ends of the guide rod (609), sliding grooves matched with the sliding blocks (604) are formed in one side, corresponding to the two vertical rods (603), of each vertical rod (603), a first limiting insertion rod (601) is arranged on one side, opposite to the two vertical rods (603), of each vertical rod (603) is provided with a plurality of first limiting insertion slots (602) matched with the first limiting insertion rods (601) in a linear array mode in the vertical direction, and each first limiting insertion slot (602) is communicated with the sliding grooves;
vertical plates (606) are arranged on one side of each vertical rod (603), a roller groove (612) penetrating through each vertical plate (606) is formed in one side of each vertical plate (606), rollers (608) are connected to the insides of the two roller grooves (612) in a sliding mode, one side, corresponding to each roller (608), is rotatably connected with the two sides of the mounting plate (611) through a rotating shaft, two limiting insertion rods (607) are arranged on one side, opposite to the two vertical plates (606), of each vertical plate (606), and two limiting insertion grooves (605) matched with the two limiting insertion rods (607) are formed in the positions, located on the two sides of the mounting groove, of each vertical plate (606);
the top center department of mounting panel (611) is connected with a service section of thick bamboo (7) through a plurality of supporting shoe (9), top one side intercommunication of a service section of thick bamboo (7) has ball storage pipe (8), the inner chamber one end sliding connection of a service section of thick bamboo (7) has service ejector pin (1002) rather than the looks adaptation, the one end of a service section of thick bamboo (7) is provided with cylinder two (10), cylinder two (10) and mounting panel (611) bolt fixed connection, the one end and service ejector pin (1002) fixed connection of the output of cylinder two (10).
2. An adjustable fairway and angle tennis ball serving device according to claim 1, wherein said device bin (406) is circular in shape and said roof (402) is circular in shape, and said roof (402) and device bin (406) are the same diameter.
3. The tennis ball serving device capable of adjusting the power and the angle as claimed in claim 2, wherein a plurality of rotating wheels (401) are arranged on the bottom circumferential array of the top plate (402), the top of each rotating wheel (401) is fixedly connected with the top plate (402), and a rotating groove (405) matched with the rotating wheel (401) is formed at the edge of the top of the device bin (406).
4. The tennis serving device of claim 1, wherein the vertical rods (603) and the vertical plates (606) are fixedly connected to the connecting plate (11).
5. An adjustable power and angle tennis ball serving device as in claim 4, wherein each said roller channel (612) is angled from 10 ° to 45 ° to the attachment plate (11).
6. The tennis ball serving device capable of adjusting power and angle as claimed in claim 1, wherein a ball storage frame (13) is disposed on one side of the top of the bearing plate (3), a placement groove (15) adapted to the ball storage frame (13) is disposed on one side of the top of the bearing plate (3), and the bottom of the ball storage frame (13) is fixedly connected to the bottom of the inner cavity of the placement groove (15) by a bolt.
7. The tennis pitching machine with adjustable power and angle as claimed in claim 1, wherein the bottom four corners of said carrying plate (3) are connected with moving wheels (1) through supporting rods (2).
8. The tennis pitching machine with adjustable power and angle as claimed in claim 7, wherein a push rod (14) is fixedly connected to one side of said carrying plate (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110233831.3A CN113041593A (en) | 2021-03-03 | 2021-03-03 | Tennis service robot device capable of adjusting power and angle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110233831.3A CN113041593A (en) | 2021-03-03 | 2021-03-03 | Tennis service robot device capable of adjusting power and angle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113041593A true CN113041593A (en) | 2021-06-29 |
Family
ID=76509592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110233831.3A Pending CN113041593A (en) | 2021-03-03 | 2021-03-03 | Tennis service robot device capable of adjusting power and angle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113041593A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2595418Y (en) * | 2002-11-15 | 2003-12-31 | 罗晓林 | Ball throwing machine for tennis ball |
CN2889403Y (en) * | 2006-04-17 | 2007-04-18 | 辽宁师范大学 | Tennis serving machine for exercising |
EP2033693A1 (en) * | 2007-09-04 | 2009-03-11 | Li, Chun-Chieh | Height adjusting device for use in string pulling block of stringing machine |
US20110067507A1 (en) * | 2009-09-18 | 2011-03-24 | Miyamae Co., Ltd. | Golf Club Testing Machine |
CN203556120U (en) * | 2013-11-29 | 2014-04-23 | 哈尔滨体育学院 | Automatic tennis ball serving machine |
CN204050903U (en) * | 2014-10-09 | 2014-12-31 | 哈尔滨体育学院 | Tennis combined training picks up ball, service all-in-one |
-
2021
- 2021-03-03 CN CN202110233831.3A patent/CN113041593A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2595418Y (en) * | 2002-11-15 | 2003-12-31 | 罗晓林 | Ball throwing machine for tennis ball |
CN2889403Y (en) * | 2006-04-17 | 2007-04-18 | 辽宁师范大学 | Tennis serving machine for exercising |
EP2033693A1 (en) * | 2007-09-04 | 2009-03-11 | Li, Chun-Chieh | Height adjusting device for use in string pulling block of stringing machine |
US20110067507A1 (en) * | 2009-09-18 | 2011-03-24 | Miyamae Co., Ltd. | Golf Club Testing Machine |
CN203556120U (en) * | 2013-11-29 | 2014-04-23 | 哈尔滨体育学院 | Automatic tennis ball serving machine |
CN204050903U (en) * | 2014-10-09 | 2014-12-31 | 哈尔滨体育学院 | Tennis combined training picks up ball, service all-in-one |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209009827U (en) | A kind of copper-clad aluminum round wire wire drawing wrap-up | |
CN108726171A (en) | Tubing automatic charging device | |
CN211752358U (en) | Adjustable angle's automatic service robot is used in badminton training | |
CN110883719A (en) | Big gyro wheel frame adjusting device is used in restoration of poling top | |
CN112900952B (en) | Improved generation communication electricity tower | |
CN113041593A (en) | Tennis service robot device capable of adjusting power and angle | |
CN116513289B (en) | Photovoltaic power plant construction is with photovoltaic board transfer device that prevents to pile up collision | |
CN210860498U (en) | Shooting support of multiple topography of adaptable outdoor | |
CN114199703A (en) | Ultra-high molecular polyethylene board detects uses impacter | |
CN110227940B (en) | Assembly equipment of angle mill | |
CN216470467U (en) | Feedway is used in active carbon production and processing | |
CN220515087U (en) | Stainless steel pipe welded pipe bending straightener with regulatory function | |
CN220157891U (en) | Peep-proof frame for filling material | |
CN113572295B (en) | Building electromechanical device installs fixing device | |
CN221848192U (en) | Hot rolling square steel pressure head device | |
CN220428280U (en) | Motor maintenance workbench | |
CN211656681U (en) | UPS machine support convenient to build on site | |
CN219258664U (en) | Movable base of pipe conveying device | |
CN221757192U (en) | UV flat-panel printer | |
CN221212675U (en) | Feeding device for double-screw extrusion production line | |
CN221214829U (en) | Flood prevention sand bag filling device | |
CN213661127U (en) | Cable protection bracket of generator | |
CN221362018U (en) | Thin-wall round tube rounding machine | |
CN217849605U (en) | Linear adjustable audio amplifier of sound | |
CN114408528B (en) | Tire storage device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210629 |
|
RJ01 | Rejection of invention patent application after publication |