CN213235981U - 30 ton electric cylinder - Google Patents
30 ton electric cylinder Download PDFInfo
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- CN213235981U CN213235981U CN202022198171.3U CN202022198171U CN213235981U CN 213235981 U CN213235981 U CN 213235981U CN 202022198171 U CN202022198171 U CN 202022198171U CN 213235981 U CN213235981 U CN 213235981U
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Abstract
The utility model discloses a 30-ton electric cylinder, which comprises a motor, a cylinder barrel, a hinge and a buffer component; the motor comprises a motor, a motor base plate, a motor top plate, a motor driver, a cylinder barrel top plate, a shaft coupling, a lead screw and a motor cover plate, wherein the motor base plate is arranged at the bottom of a motor shell, the motor top plate is arranged at the top of the motor shell, the motor driver is arranged on the side surface of the motor shell, the output end of the motor driver is electrically connected with the input end of the motor, the top of the motor top plate is connected with the bottom surface of the cylinder barrel base plate through the shaft coupling outer sleeve, the cylinder barrel is connected to the top of the cylinder barrel, the cylinder barrel top plate is connected to the top of the cylinder barrel; adopt the planet roller screw pair, the loading capacity is big, installs the buffering subassembly between cylinder roof and buffering subassembly mounting panel, avoids upper portion part to pound the top of cylinder when flexible post is along with returning to in the cylinder, avoids causing the damage.
Description
Technical Field
The utility model relates to an electronic jar technical field of heavy load specifically is electronic jar of 30 tons.
Background
Electronic jar is because control accuracy, outward appearance are compact, the diversified by extensive application of holding power, even so, when some scenes that need the heavy load, current electronic jar still is more hard to electronic jar contracts to the shortest time, and the top of cylinder is still pounded easily to upper portion, causes the damage easily.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide 30 tons of electronic jars, the high hinge of both ends configuration degree of freedom adopts the planet roller screw pair, and the loading capacity is big, installs the buffering subassembly between cylinder roof and buffering subassembly mounting panel, avoids the upper portion part to pound the top of cylinder when flexible post is along with returning to in the cylinder, avoids causing the damage, can effectively solve the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the 30-ton electric cylinder comprises a motor, a cylinder barrel, a hinge and a buffer assembly;
the bottom of the motor shell is provided with a motor bottom plate, the top of the motor shell is provided with a motor top plate, the side surface of the motor shell is provided with a motor driver, the output end of the motor driver is electrically connected with the input end of the motor, the top of the motor top plate is connected with the bottom surface of the cylinder bottom plate through a coupling sleeve, the top of the cylinder bottom plate is connected with a cylinder, the top of the cylinder is connected with a cylinder top plate, the top output shaft of the motor penetrates through the motor top plate to extend to the coupling sleeve and is connected with a coupling, the top of the coupling is connected with the bottom end of a lead screw, the top of the lead screw penetrates through the cylinder bottom plate and is rotatably connected in the cylinder, the lead screw is connected with a planetary roller lead screw pair in a matching way, the outer sleeve of the planetary roller, the top of flexible post passes the cylinder roof and connects the buffering subassembly mounting panel, cylinder roof and buffering subassembly mounting panel are discoid and the diameter is the same, the bottom of buffering subassembly mounting panel is fixed with the buffering subassembly, the hinge is installed respectively to the top of buffering subassembly mounting panel and the bottom of motor bottom plate.
The hinge degree of freedom is high, the angle free variation of the cylinder body of being convenient for, motor driver driving motor work, it rotates to drive the lead screw through the shaft coupling, the lead screw drives the vice activity from top to bottom in the cylinder of planet roller lead screw, thereby it stretches out or retracts in the cylinder to drive flexible post, realize the flexible of electronic jar, adopt the vice planet roller lead screw, the loading capacity is big, install buffer assembly between cylinder roof and buffer assembly mounting panel, avoid the upper portion part at flexible post along with pounding the top of cylinder when returning to in the cylinder.
Further, the hinge includes fixed block, connecting rod, pivot one, movable block, fixing base, pivot two and hinge seat, and the fixed block of two hinges is fixed respectively in the top of buffering subassembly mounting panel and the bottom of motor bottom plate, the fixed block is connected with the connecting rod, the tip of connecting rod rotates with the movable block through fore-and-aft pivot two and is connected, the both sides of movable block are fixed with horizontal pivot one respectively, pivot one perpendicular to pivot two, and two pivot one rotate with two fixing bases respectively and be connected, and two fixing bases are fixed respectively on the hinge seat. The first rotating shaft and the second rotating shaft are vertically arranged, so that the freedom degree of movement between the fixing seat and the fixing block is improved, and the angle can be changed at will.
Further, the buffering subassembly includes bolster, fixed cover and annular connecting rod, and the bolster is equipped with and is no less than six and wait the angle to fix in the bottom of buffering subassembly mounting panel, and fixed cover has all been cup jointed to the side of every bolster, and fixed cover loops through annular connecting rod and connects into annular structure.
The bolster can provide the cushion effect between cylinder roof and the buffer unit mounting panel, avoids the upper portion part directly to press to the top of cylinder through the buffer unit mounting panel and causes the cylinder to damage, and fixed cover and annular connecting rod cause annularly, guarantee the evenly distributed of cushion effect.
Further, the buffer part adopts one of a rubber column and a spring.
Further, the buffer assembly comprises a buffer sleeve and a compression spring, the buffer sleeve is fixed at the bottom of the buffer assembly mounting plate, the buffer sleeve is provided with a mounting groove at an equal angle, and the compression spring is mounted in the mounting groove.
Compression spring can provide the cushion effect of whole period, and the cushion collar can adopt the rubber material, can play the fixed action to compression spring to also can be compressed to also play the cushion effect when with the cushion collar parallel and level at compression spring, the buffering is good.
Furthermore, the cylinder barrel fixing device further comprises fixing columns, at least four fixing columns are fixed between the cylinder barrel bottom plate and the cylinder barrel top plate, and the fixing columns surround the cylinder barrel at equal angles. The fixing column can fix the cylinder barrel and can also protect the cylinder barrel.
Compared with the prior art, the beneficial effects of the utility model are that: this 30 ton electronic jar has following benefit:
the hinge has high degree of freedom, so that the angle of the cylinder body can be freely changed, the motor driver drives the motor to work, the screw rod is driven by the coupling to rotate, and the screw rod drives the planetary roller screw rod pair to move up and down in the cylinder barrel, so that the telescopic column is driven to extend out of or retract into the cylinder barrel, and the electric cylinder is telescopic;
adopt the planet roller screw pair, the loading capacity is big, installs the buffering subassembly between cylinder roof and buffering subassembly mounting panel, avoids upper portion part to pound the top of cylinder when flexible post is along with returning to in the cylinder, avoids causing the damage.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the utility model after being extended;
FIG. 3 is a schematic structural diagram of an embodiment of a cushion assembly of the present invention;
fig. 4 is a schematic structural diagram of a buffer assembly according to an embodiment of the present invention.
In the figure: the device comprises a motor base plate 1, a motor 2, a motor driver 3, a motor top plate 4, a coupler outer sleeve 5, a cylinder base plate 6, a cylinder 7, a fixed column 8, a cylinder top plate 9, a buffer assembly mounting plate 10, a buffer assembly 11, a buffer assembly 111, a fixed sleeve 112, an annular connecting rod 113, a buffer sleeve 114, a compression spring 115, a fixed block 12, a connecting rod 13, a rotating shaft I14, a movable block 15, a fixed seat 16, a rotating shaft II 17, a hinge seat 18, a telescopic column 19, a planetary roller screw pair 20, a screw 21 and a coupler 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the first embodiment, please refer to fig. 1-3, the present embodiment provides a technical solution: the 30-ton electric cylinder comprises a motor 2, a cylinder barrel 7, a hinge and a buffer assembly 11;
the bottom of a machine shell of a motor 2 is provided with a motor bottom plate 1, the top of the machine shell of the motor 2 is provided with a motor top plate 4, the side surface of the machine shell of the motor 2 is provided with a motor driver 3, the output end of the motor driver 3 is electrically connected with the input end of the motor 2, the top of the motor top plate 4 is connected with the bottom surface of a cylinder bottom plate 6 through a coupling sleeve 5, the top of the cylinder bottom plate 6 is connected with a cylinder 7, the top of the cylinder 7 is connected with a cylinder top plate 9, the top output shaft of the motor 2 passes through the motor top plate 4 and extends to the coupling sleeve 5 and is connected with a coupling 22, the top of the coupling 22 is connected with the bottom end of a lead screw 21, the top of the lead screw 21 passes through the cylinder bottom plate 6 and is rotatably connected in the cylinder 7, the lead screw 21 is connected with, the top of flexible post 19 passes cylinder roof 9 and connects buffering subassembly mounting panel 10, and cylinder roof 9 and buffering subassembly mounting panel 10 are discoid and the diameter is the same, and the bottom of buffering subassembly mounting panel 10 is fixed with buffering subassembly 11, and the hinge is installed respectively to the top of buffering subassembly mounting panel 10 and the bottom of motor bottom plate 1.
Still include fixed column 8, be fixed with between cylinder bottom plate 6 and the cylinder roof 9 and be no less than four fixed column 8, fixed column 8 equiangular around cylinder 7. The fixing column 8 can fix the cylinder barrel 7 and can also protect the cylinder barrel 7.
The hinge degree of freedom is high, the angle free variation of the cylinder body of being convenient for, 3 driving motor 2 works of motor driver, it rotates to drive lead screw 21 through shaft coupling 22, lead screw 21 drives planet roller lead screw pair 20 and moves about from top to bottom in cylinder 7, thereby it stretches out or retracts in cylinder 7 to drive flexible post 19, realize the flexible of electronic jar, adopt planet roller lead screw pair 20, the loading capacity is big, install buffer assembly 11 between cylinder roof 9 and buffer assembly mounting panel 10, avoid upper portion part 19 along with pounding the top of cylinder when returning to in the cylinder.
The hinge includes fixed block 12, connecting rod 13, pivot one 14, the movable block 15, fixing base 16, pivot two 17 and hinge seat 18, the fixed block 12 of two hinges is fixed respectively in the top of buffering subassembly mounting panel 10 and the bottom of motor bottom plate 1, fixed block 12 is connected with connecting rod 13, the tip of connecting rod 13 rotates with movable block 15 through fore-and-aft pivot two 17 to be connected, the both sides of movable block 15 are fixed with horizontal pivot one 14 respectively, pivot one 14 perpendicular to pivot two 17, and two pivot one 14 rotate with two fixing base 16 respectively and be connected, two fixing base 16 fix respectively on hinge seat 18. The first rotating shaft 14 and the second rotating shaft 17 are vertically arranged, so that the freedom degree of movement between the fixed seat 16 and the fixed block 12 is improved, and the angle can be changed at will.
The buffer component 11 includes a buffer component 111, a fixed sleeve 112 and an annular connecting rod 113, the buffer component 111 is provided with at least six and fixed at the bottom of the buffer component mounting plate 10 at equal angles, the side of each buffer component 111 is sleeved with the fixed sleeve 112, the fixed sleeve 112 is connected into an annular structure through the annular connecting rod 113 in sequence, and the buffer component 111 adopts one of a rubber column and a spring.
The buffer piece 111 can provide the buffer force between the cylinder top plate 9 and the buffer component mounting plate 10, prevent the upper part from directly pressing to the top of the cylinder through the buffer component mounting plate 10 to cause the cylinder to be damaged, and the fixed sleeve 112 and the annular connecting rod 113 cause the ring shape to ensure the uniform distribution of the buffer force.
In the second embodiment, referring to fig. 4, the present embodiment provides a technical solution: the 30-ton electric cylinder is substantially the same as the embodiment in structure, and the difference is that:
the buffer assembly 11 comprises a buffer sleeve 114 and a compression spring 115, the buffer sleeve 114 is fixed at the bottom of the buffer assembly mounting plate 10, an installation groove is formed in the buffer sleeve 114 at an equal angle, and the compression spring 115 is installed in the installation groove.
The compression spring 115 can provide buffering force for the whole time, the buffering sleeve 114 can be made of rubber, the compression spring 115 can be fixed, the buffering force can be achieved when the compression spring 115 is compressed to be flush with the buffering sleeve 114, and the buffering effect is good.
It is noted that the coupling 22 disclosed in the above embodiments is of a type commonly used by those skilled in the art, and the motor driver 3 drives the motor 2 to operate in a manner commonly used in the art;
and (3) load calculation:
Fg=T*(1+a)/3
fg Single Cylinder load
T total load of platform
a acceleration of gravity
Calculating according to the platform load 5.5 ton acceleration 1G, wherein the integral maximum thrust is 11 tons =110KN, and the maximum thrust of each electric cylinder is as follows:
Fg=5.5*（1+1）/3=36.6KN
and (3) calculating the rotating speed:
the maximum running speed is 800mm/s according to the requirement
Nmax=Vmax/P*60
Nmax is the maximum rotating speed of the screw rod, and the maximum rotating speed of the motor is obtained when the reduction ratio is 1
Vmax is maximum moving speed of electric cylinder
P is the lead of the lead screw, and the initial selection is 30
Nmax=1000/30*60=2000rpm
The allowable rotating speed of the wire cylinder and the maximum rotating speed of the motor can meet the requirement as long as the allowable rotating speed of the wire cylinder and the maximum rotating speed of the motor are more than 2000 rpm.
Selecting a lead screw type:
the load of a single cylinder is more than 36.6, the rotating speed is more than 2000rpm, the lead is 30,
a swedish SKF roller planetary screw RV-4830, diameter 48 lead 30, 6 rows of rollers, dynamic load 171KN =17.1 ton was selected. The load meets the requirements. Static load 407.1KN
The diameter is 48, the critical rotating speed is 2150RPM when the installation distance is 2M, and the actual maximum rotating speed is 2000RPM, so the requirement is met.
A servo motor:
and (3) torque calculation:
T=Fg*P/2/3.14
t torque required by motor
P: lead screw lead
T=Fg*P/2/3.14=36.6*30/2/3.14=174.8nm
The motor torque is only larger than 174.8NM, and the rotating speed is larger than 1600RPM
Selecting an italian philippine motor:
selecting a type of the motor:
according to the torque and the rotating speed, an international famous Italian Fishi motor is adopted,
the model is as follows: U1330A-2000 air-cooled motor,
rated speed of 2000rpm
The rated power is 38KW,
the rated current of the electric current 71A,
rated torque 180NM;
the peak torque of the electric motor is 830NM,
maximum rotation speed: 2286RP
Calculating the service life of the screw:
average load =5 tons/3 =1.6 tons =1600Kgf
Static load of screw rod 407.1KN
Lifetime calculation (rev): (40710 Kgf/1600 Kgf) ^3 1000000 (average load is 60% according to rated load (no pneumatic), and the time of full load operation in actual operation is actually far less than 30%)
Average rotation speed to rated rotation speed of 50% =1000RPM
Life hour = rev/1000 rpm/60 =274531h
8h per day, which is sufficient for 10 years of life.
An electric appliance control system:
power configuration:
system distribution AC380V
Peak power 40KW
Rated power Pmax 2/sqar (2) = Pmax 0.636=25KW
System peak current Imax = Pmax/380/sqar (3) =40/380/1.732=60A
The 63A breaker may be selected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1.30 electronic jar of ton, its characterized in that: comprises a motor (2), a cylinder barrel (7), a hinge and a buffer component (11);
the motor bottom plate (1) is arranged at the bottom of the shell of the motor (2), the motor top plate (4) is arranged at the top of the shell of the motor (2), the motor driver (3) is arranged on the side face of the shell of the motor (2), the output end of the motor driver (3) is electrically connected with the input end of the motor (2), the top of the motor top plate (4) is connected with the bottom surface of the cylinder bottom plate (6) through the coupling outer sleeve (5), the top of the cylinder bottom plate (6) is connected with the cylinder (7), the top of the cylinder (7) is connected with the cylinder top plate (9), the top output shaft of the motor (2) penetrates through the motor top plate (4) to extend to the coupling outer sleeve (5) and is connected with the coupling (22), the top of the coupling (22) is connected with the bottom end of the lead screw (21), the top of the lead screw (21) penetrates, the utility model discloses a motor, including lead screw (21), planet roller screw (20), the overcoat of planet roller screw (20) is connected with hollow flexible post (19) bottom, the top of lead screw (21) extends to in hollow flexible post (19), cylinder roof (9) and connection buffering subassembly mounting panel (10) are passed on the top of flexible post (19), cylinder roof (9) and buffering subassembly mounting panel (10) are discoid and the diameter is the same, the bottom of buffering subassembly mounting panel (10) is fixed with buffering subassembly (11), the hinge is installed respectively to the top of buffering subassembly mounting panel (10) and the bottom of motor bottom plate (1).
2. The 30-ton electric cylinder according to claim 1, characterized in that: the hinge includes fixed block (12), connecting rod (13), pivot one (14), movable block (15), fixing base (16), pivot two (17) and hinge seat (18), and the bottom at the top of buffering subassembly mounting panel (10) and motor bottom plate (1) is fixed respectively in fixed block (12) of two hinges, fixed block (12) are connected with connecting rod (13), the tip of connecting rod (13) rotates with movable block (15) through fore-and-aft pivot two (17) and is connected, the both sides of movable block (15) are fixed with horizontal pivot one (14) respectively, pivot one (14) perpendicular to pivot two (17), and two pivot one (14) rotate with two fixing base (16) respectively and are connected, and two fixing base (16) are fixed respectively on hinge seat (18).
3. The 30-ton electric cylinder according to claim 1, characterized in that: buffer unit (11) include bolster (111), fixed cover (112) and annular connecting rod (113), and bolster (111) are equipped with and are no less than six and wait the angle to fix the bottom at buffer unit mounting panel (10), and fixed cover (112) have all been cup jointed to the side of every bolster (111), and fixed cover (112) loop through annular connecting rod (113) and connect into annular structure.
4. The 30-ton electric cylinder according to claim 3, characterized in that: the buffer piece (111) adopts one of a rubber column and a spring.
5. The 30-ton electric cylinder according to claim 1, characterized in that: buffer unit (11) include buffer sleeve (114) and compression spring (115), buffer sleeve (114) are fixed in the bottom of buffer unit mounting panel (10), and buffer sleeve (114) etc. angle seted up the mounting groove, install compression spring (115) in the mounting groove.
6. The 30-ton electric cylinder according to claim 1, characterized in that: still include fixed column (8), be fixed with between cylinder bottom plate (6) and cylinder roof (9) and be no less than four fixed column (8), fixed column (8) equiangle are around cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198171.3U CN213235981U (en) | 2020-09-30 | 2020-09-30 | 30 ton electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198171.3U CN213235981U (en) | 2020-09-30 | 2020-09-30 | 30 ton electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235981U true CN213235981U (en) | 2021-05-18 |
Family
ID=75877520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022198171.3U Active CN213235981U (en) | 2020-09-30 | 2020-09-30 | 30 ton electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235981U (en) |
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2020
- 2020-09-30 CN CN202022198171.3U patent/CN213235981U/en active Active
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