CN220711258U - Superimposed electric cylinder - Google Patents
Superimposed electric cylinder Download PDFInfo
- Publication number
- CN220711258U CN220711258U CN202322394452.XU CN202322394452U CN220711258U CN 220711258 U CN220711258 U CN 220711258U CN 202322394452 U CN202322394452 U CN 202322394452U CN 220711258 U CN220711258 U CN 220711258U
- Authority
- CN
- China
- Prior art keywords
- head end
- screw rod
- rod
- telescopic rod
- telescopic
- 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.)
- Active
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a superposition type electric cylinder, wherein a superposition screw rod cylinder body is fixed on a base of a synchronous box, and a head end telescopic rod, a head end second telescopic rod, a plurality of middle telescopic rods and a tail end telescopic rod are sequentially and externally embedded on the superposition screw rod cylinder body layer by layer, and the superposition screw rod cylinder body is arranged between the superposition screw rod cylinder body and the head end telescopic rod, between the head end telescopic rod and the head end second telescopic rod and between the head end second telescopic rod and the middle telescopic rod; the middle telescopic rods are in sliding connection and fit with the tail telescopic rods through screw rod nut mechanisms, all screws transmit power through gears, a driving mechanism is connected with the screws close to the base of the synchronous box, and the driving mechanism provides rotation for the screws; the utility model has the following beneficial effects: the application range is wider, the effective extension length is longer, the production and processing difficulty is reduced, the production and processing procedures are saved, and the occupied space is small.
Description
Technical Field
The utility model belongs to the technical field of electric cylinders, and particularly relates to a superposition type electric cylinder.
Background
The utility model of China with publication number CN206510037U discloses an electric pushing cylinder, and discloses an electric pushing cylinder, which is characterized by comprising a cylinder seat, a piston rod linearly sliding into the cylinder seat, a screw-nut pair linearly reciprocating with the linked piston rod and a rotary driving device for driving the screw-nut pair to move, wherein a guide sleeve is arranged on the cylinder seat, and an oil-free bushing for sliding by sleeving a piston rod is arranged on the guide sleeve. Through adopting above-mentioned technical scheme, the cooperation of the oilless bush of uide bushing between the piston rod is compared in linear ball bearing, and the fit clearance is little, the precision is high, guarantees that both are in concentric position, avoids the piston rod to rock, and in addition, the bearing of oilless bush is great, wear-resisting moreover, long service life.
However, the above-mentioned comparison document only relies on a single set of screw rods to drive, and because the length of the single set of screw rods is limited, the total extension length is limited by the length of the screw rods, and the lengths of the screw rods cannot be freely matched, so that the application range is smaller.
Disclosure of Invention
The object of the present utility model is to provide a superimposed electric cylinder to solve the above mentioned problems of the background art.
The technical aim of the utility model is realized by the following technical scheme:
a stacked electric cylinder comprising: the synchronous box comprises a synchronous box base, a superposed screw rod cylinder body, a head end telescopic rod, a head end second telescopic rod, a middle telescopic rod and a tail end telescopic rod; a superposed screw rod cylinder body is fixed on the base of the synchronous box, and the superposed screw rod cylinder body is externally embedded with a head end telescopic rod, a head end second telescopic rod, a plurality of middle telescopic rods and tail end telescopic rods layer by layer in sequence; the middle telescopic rods are in sliding connection and matched with the tail telescopic rods through a screw rod nut mechanism, power is transmitted between all screw rods through gears, a driving mechanism is connected with the screw rods close to the base of the synchronous box, and the driving mechanism provides rotating force for the screw rods.
Further, the driving mechanism includes: the servo motor is fixed on the base of the synchronous box, an output shaft of the servo motor penetrates through the base of the synchronous box and is concentrically matched with the driving wheel, the driving wheel is rotatably matched with the base of the synchronous box through a shaft rod and a ball bearing, and the driving wheel are in transmission or gear engagement through a belt.
Further, the head end telescopic link, include, head end movable seat, head end lead screw nut, head end drive wheel, head end follow driving wheel, the head end movable seat is fixed and is close to the one end of synchronous case base at the head end telescopic link, and the axostylus axostyle of head end lead screw and master slave driving wheel is fixed through the shaft coupling is concentric, is fixed with head end lead screw nut in the head end movable seat, head end lead screw nut and head end lead screw thread fit, is fixed with the head end drive wheel of gear structure through the spline external embedding on the head end lead screw, and the head end drive wheel meshes with the head end follow driving wheel of gear structure, and the head end follows driving wheel and head end movable seat rotary fit through axostylus axostyle and ball bearing.
Further, the head end second telescopic rod comprises a head end second movable seat, a head end second screw rod nut, a head end second driving wheel and a head end second driven wheel, wherein the head end second movable seat is fixed at one end of the head end second telescopic rod, which is close to the base of the synchronous box, the head end second screw rod and a shaft rod of the head end driven wheel are concentrically fixed through a coupler, the head end second screw rod nut is fixed in the head end second movable seat, the head end second screw rod nut is in threaded fit with the head end second screw rod, a head end second driving wheel of a gear structure is externally embedded on the head end second screw rod through a spline, and the head end second driving wheel is meshed with the head end second driven wheel of the gear structure; the second driven wheel at the head end is rotationally matched with the second movable seat at the head end through the shaft rod and the ball bearing
Further, the middle telescopic rod comprises a middle movable seat, a middle screw rod nut, a middle driving wheel and a middle driven wheel, wherein the middle movable seat is fixed at one end of the middle telescopic rod, which is close to the base of the synchronous box, a shaft lever of the middle screw rod and a shaft lever of the head end second driven wheel are concentrically fixed through a coupler, the middle screw rod nut is fixed in the middle movable seat, the middle screw rod nut is in threaded fit with the middle screw rod, the middle driving wheel with a gear structure is externally embedded and fixed on the middle screw rod through a spline, and the middle driving wheel is meshed with the middle driven wheel with the gear structure; the middle driven wheel is in rotary fit with the middle movable seat through a shaft rod and a ball bearing;
further, the number of the middle telescopic rods is one group or more than one group.
Further, a middle screw rod of a middle telescopic rod adjacent to the second telescopic rod at the head end is coaxially fixed with a second driven wheel at the head end through a coupler; for other middle screw drives: the rotating shaft of the middle driven wheel of the middle telescopic rod close to the base side of the synchronous box is coaxially fixed with the middle screw rod adjacent to the rotating shaft and far away from the middle telescopic rod close to the base side of the synchronous box through a coupler.
Further, the terminal telescopic link includes terminal movable seat, terminal lead screw nut, terminal movable seat is fixed and is close to the one end of synchronous case base at terminal telescopic link, and terminal lead screw and the axostylus axostyle of its adjacent middle part driven wheel are fixed through the shaft coupling is concentric, is fixed with terminal lead screw nut in the terminal movable seat, terminal lead screw nut and terminal lead screw-thread fit.
Furthermore, in order to protect the transmission mechanism, the synchronous box base is fixed with a synchronous box cover with a cover body structure at the sides of the driving wheel and the driving wheel, and the cover bodies of the driving wheel and the driving wheel are protected.
Furthermore, in order to effectively seal and facilitate tool connection, one side of the tail end telescopic rod far away from the base of the synchronous box is provided with a telescopic rod connector for sealing the end part of the tail end telescopic rod, and the telescopic rod connector is provided with a mounting structure.
Furthermore, in order to effectively seal the utility model, a superposition body flange with a sealing effect is arranged between the superposition screw rod cylinder body and the head end telescopic rod, between the head end telescopic rod and the head end second telescopic rod and between the head end second telescopic rod and the middle telescopic rod.
Further, in order to realize synchronous expansion of the head end expansion link, the head end second expansion link, the middle expansion link and the tail end expansion link, the head end driving wheel, the head end driven wheel, the head end second driving wheel, the head end second driven wheel, the middle driving wheel and the middle driven wheel are all gears of the same type.
Further, because the rotation direction of the screw rod can be changed by the rotation of the gears, the rotation modes of the threads on the head end screw rod, the head end second screw rod, the middle screw rod, the … … and the tail end screw rod are alternately arranged in a right-handed and left-handed circulation mode in sequence.
In summary, the utility model has the following beneficial effects:
(1) the effective extension length is longer, through the establishment of multiunit lead screw, by the rotation of multiunit lead screw, can be synchronous carry out the extension operation to the telescopic link of electric cylinder at every stage, its flexible length no longer receives the restriction of single group lead screw, and its effective extension length is longer than the effective extension length of prior art.
(2) The application range is wider: through setting up of middle telescopic link, can be more according to the rational utility model of the middle telescopic link of actual need of different numbers of selection, make the application scope of the utility model wider.
(3) The production and processing difficulty is reduced: the modularized transmission mechanism is arranged, and in factory production, a plurality of parts of the electric cylinder of the utility model with different lengths can be used commonly (such as a tail end telescopic rod and a head end telescopic rod, various gears, a screw rod nut and the like), so that the production and processing difficulty is reduced, and the production and processing procedures are saved.
(4) The occupied space is small: compared with the comparison document, when the utility model is used, the extension length is required to be increased, the corresponding screw rod and the telescopic rod are only required to be increased, the screw rod is positioned in the preset overlapped screw rod cylinder body, and the excessive volume is not occupied in a reasonable amount, so that the ultra-long jacking push-pull operation can be realized in a limited space.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of the overall structure of the present utility model;
FIG. 3 is a schematic illustration of the internal gearing of the present utility model;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
in the figure, 1, a synchronous box base; 2. superposing a screw rod cylinder body; 3. a head end telescopic rod; 4. a head end second telescopic rod; 5. a middle telescopic rod; 6. a terminal telescopic rod; 7. a telescopic rod connector; 8. a driving mechanism; 31. a head end movable seat; 32. a head end screw rod; 33. a head end lead screw nut; 34. a head end drive wheel; 35. a head end driven wheel; 41. a head end second movable seat; 42. a second screw rod at the head end; 43. a head end second screw nut; 44. a head end second drive wheel; 45. a head end second driven wheel; 51. a middle movable seat; 52. a middle screw rod; 53. a middle screw rod nut; 54. a middle driving wheel; 55. a middle driven wheel; 61. a tail end movable seat; 62. a tail end screw rod; 63. a terminal lead screw nut; 81. a servo motor; 82. a driving wheel; 83. a driving wheel and a driven wheel; 84. and (5) synchronizing the box cover.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Examples:
referring to fig. 1-4, the present utility model provides the following technical solutions: a stacked electric cylinder comprising: the synchronous box comprises a synchronous box base 1, a superposed screw rod cylinder body 2, a head end telescopic rod 3, a head end second telescopic rod 4, a middle telescopic rod 5 and a tail end telescopic rod 6; a superposed lead screw cylinder body 2 is fixed on the synchronous box base 1, and the superposed lead screw cylinder body 2 is externally embedded with a head end telescopic rod 3, a head end second telescopic rod 4, a plurality of middle telescopic rods 5 and tail end telescopic rods 6 layer by layer in sequence, wherein the superposed lead screw cylinder body 2 is arranged between the head end telescopic rod 3, the head end telescopic rod 3 and the head end second telescopic rod 4, and the head end second telescopic rod 4 and the middle telescopic rod 5; the middle telescopic rods 5 are matched with the tail telescopic rods 6 through a screw-nut mechanism in a sliding connection mode, power is transmitted between all screw rods through gears, a driving mechanism 8 is connected with the screw rods close to the synchronous box base 1, and the driving mechanism 8 provides rotating force for the screw rods.
The driving mechanism 8 includes: the servo motor 81, the driving wheel 82 and the driving wheel 83, wherein the servo motor 81 is fixed on the synchronous box base 1, the driving wheel 82 is concentrically matched with the output shaft of the servo motor 81 after penetrating through the synchronous box base 1, the driving wheel 83 is rotatably matched on the synchronous box base 1 through a shaft rod and a ball bearing, and the driving wheel 82 and the driving wheel 83 are in transmission or gear engagement through a belt.
The head end telescopic rod 3 comprises a head end movable seat 31, a head end screw rod 32, a head end screw rod nut 33, a head end driving wheel 34 and a head end driven wheel 35, wherein the head end movable seat 31 is fixed at one end of the head end telescopic rod 3, which is close to the synchronous box base 1, a shaft rod of the head end screw rod 32 and a main driven wheel 83 is concentrically fixed through a coupler, the head end screw rod nut 33 is fixed in the head end movable seat 31, the head end screw rod nut 33 is in threaded fit with the head end screw rod 32, a head end driving wheel 34 of a gear structure is embedded on the head end screw rod 32 through a spline, the head end driving wheel 34 is meshed with a head end driven wheel 35 of the gear structure, and the head end driven wheel 35 is in rotary fit with the head end movable seat 31 through the shaft rod and a ball bearing.
The head end second telescopic rod 4 comprises a head end second movable seat 41, a head end second screw rod 42, a head end second screw rod nut 43, a head end second driving wheel 44 and a head end second driven wheel 45, wherein the head end second movable seat 41 is fixed at one end of the head end second telescopic rod 4, which is close to the base 1 of the synchronous box, a shaft rod of the head end second screw rod 42 and a shaft rod of the head end driven wheel 35 are concentrically fixed through a coupling, the head end second screw rod nut 43 is fixed in the head end second movable seat 41, the head end second screw rod nut 43 is in threaded fit with the head end second screw rod 42, the head end second driving wheel 44 of a gear structure is externally embedded on the head end second screw rod 42 through a spline, and the head end second driving wheel 44 is meshed with the head end second driven wheel 45 of the gear structure; the head end second driven wheel 45 is in rotary fit with the head end second movable seat 41 through a shaft rod and a ball bearing
The middle telescopic rod 5 comprises a middle movable seat 51, a middle screw rod 52, a middle screw rod nut 53, a middle driving wheel 54 and a middle driven wheel 55, wherein the middle movable seat 51 is fixed at one end of the middle telescopic rod 5 close to the base 1 of the synchronous box, the middle screw rod 52 and a shaft rod of the head end second driven wheel 45 are concentrically fixed through a coupler, the middle screw rod nut 53 is fixed in the middle movable seat 51, the middle screw rod nut 53 is in threaded fit with the middle screw rod 52, a middle driving wheel 54 of a gear structure is externally embedded and fixed on the middle screw rod 52 through a spline, and the middle driving wheel 54 is meshed with the middle driven wheel 55 of the gear structure; the middle driven wheel 55 is in rotary fit with the middle movable seat 51 through a shaft rod and a ball bearing;
the number of the middle telescopic rods 5 is one group or more than one group.
The number of the middle telescopic rods 5 is more than one group, and the middle screw rods 52 of the middle telescopic rods 5 adjacent to the head end second telescopic rods 4 are coaxially fixed through a coupler and the head end second driven wheels 45; for other middle screw 52 drives: the rotating shaft of the middle driven wheel 55 of the middle telescopic rod 5 close to the base 1 of the synchronous box is coaxially fixed with the middle screw rod 52 adjacent to and far away from the middle telescopic rod 5 close to the base 1 of the synchronous box through a coupler.
The tail end telescopic rod 6 comprises a tail end movable seat 61, a tail end screw rod 62 and a tail end screw rod nut 63, wherein the tail end movable seat 61 is fixed at one end of the tail end telescopic rod 6 close to the base 1 of the synchronous box, the tail end screw rod 62 and a shaft rod of an adjacent middle driven wheel 55 are concentrically fixed through a coupler, the tail end screw rod nut 63 is fixed in the tail end movable seat 61, and the tail end screw rod nut 63 and the tail end screw rod 62 are in threaded fit.
In order to protect the transmission mechanism, the synchronous box base 1 is fixed with a synchronous box cover 84 with a cover structure at the sides of the driving wheel 82 and the driving wheel 83, and covers and protects the driving wheel 82 and the driving wheel 83.
In order to effectively seal the utility model, a telescopic rod connector 7 is arranged on one side of the tail end telescopic rod 6 away from the base of the synchronous box to seal the end part of the tail end telescopic rod 6.
In order to effectively seal the utility model, a superposition body flange with sealing function is arranged between the superposition screw rod cylinder body 2 and the head end telescopic rod 3, between the head end telescopic rod 3 and the head end second telescopic rod 4 and between the head end second telescopic rod 4 and the middle telescopic rod 5.
In order to realize synchronous telescoping of the head end telescopic rod 3, the head end second telescopic rod 4, the middle telescopic rod 5 and the tail end telescopic rod 6, the head end driving wheel 34, the head end driven wheel 35, the head end second driving wheel 44, the head end second driven wheel 45, the middle driving wheel 54 and the middle driven wheel 55 are all gears of the same type.
Because the rotation of the gears changes the rotation direction of the screw rods, the rotation modes of the screw threads on the head end screw rod 32, the head end second screw rod 42, the middle screw rods 52 and … … and the tail end screw rod 62 are alternately arranged in a right-handed and left-handed cycle.
When in use (taking the number of the middle telescopic rods 5 as one group as an example), a controller is externally connected with the servo motor 81 to control the servo motor 81 to rotate, the driving wheel 82 on the servo motor 81 drives the driving wheel 83 to rotate, and the driving wheel 83 drives the head end screw rod 32 matched with the driving wheel 83 to rotate; the head end screw rod 32 drives the head end screw nut 33 which is in threaded fit with the head end screw rod 32 to move on the head end screw rod, and because the head end screw nut 33 is fixed on the head end movable seat 31, the head end movable seat 31 can move along with the head end screw nut 33, so that the telescopic movement of the head end telescopic rod 3 is realized; when the head end screw rod 32 on the head end telescopic rod 3 rotates, the head end driving wheel 34 on the head end telescopic rod is driven to rotate, the head end driven wheel 35 meshed with the head end driving wheel 34 is driven to rotate, and then the head end second screw rod 42 coaxially fixed with the head end driven wheel 35 is driven to rotate; the head end second screw rod 42 drives the head end second screw rod nut 43 which is in threaded fit with the head end second screw rod 42 to move on the head end second screw rod nut, and because the head end second screw rod nut 43 is fixed on the head end second movable seat 41, the head end second movable seat 41 moves along with the head end second screw rod nut 43, so that the telescopic movement of the head end second telescopic rod 4 is realized; when the head end second lead screw 42 on the head end second telescopic rod 4 rotates, the head end second driving wheel 44 on the head end second telescopic rod is driven to rotate, the head end second driven wheel 45 meshed with the head end second driving wheel 44 is driven to rotate, and then the middle lead screw 52 coaxially fixed with the head end second driven wheel 45 is driven to rotate; the middle screw rod 52 drives the middle screw rod nut 53 which is in threaded fit with the middle screw rod 52 to move on the middle screw rod nut, and because the middle screw rod nut 53 is fixed on the middle movable seat 51, the middle movable seat 51 can move along with the middle screw rod nut 53, so that the telescopic movement of the middle telescopic rod 5 is realized; when the middle screw rod 52 on the middle telescopic rod 5 rotates, the middle driving wheel 54 on the middle telescopic rod is driven to rotate, the middle driven wheel 55 meshed with the middle driving wheel 54 is driven to rotate, and then the tail end screw rod 62 coaxially fixed with the middle driven wheel 55 is driven to rotate; the tail end screw rod 62 drives the tail end screw nut 63 which is in threaded fit with the tail end screw rod 62 to move on the tail end screw rod, and because the tail end screw nut 63 is fixed on the tail end movable seat 61, the tail end movable seat 61 moves along with the tail end screw nut 63, so that the telescopic movement of the tail end telescopic rod 6 is realized, and the telescopic actions of the head end telescopic rod 3, the head end second telescopic rod 4 and the middle telescopic rod 5 are combined, and the head end driving wheel 34, the head end driven wheel 35, the head end second driven wheel 45, the middle driving wheel 54 and the middle driven wheel 55 are all gears of the same type, so that the head end telescopic rod 3, the head end second telescopic rod 4 and the middle telescopic rod 5 can synchronously stretch, namely, a plurality of groups of telescopic rods can be driven by the driving of a servo motor 81 to stretch in equal proportion, so that the controllable jacking operation is realized; when the number of the middle telescopic rods 5 is more than one group, the transmission principle is consistent with the principle, so that the description is omitted.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (10)
1. A stacked electric cylinder comprising: the synchronous box comprises a synchronous box base (1), a superposition screw rod cylinder body (2), a head end telescopic rod (3), a head end second telescopic rod (4), a middle telescopic rod (5) and a tail end telescopic rod (6); a superposition screw rod cylinder body (2) is fixed on the synchronous box base (1), and the superposition screw rod cylinder body (2) is externally embedded with a head end telescopic rod (3), a head end second telescopic rod (4), a plurality of middle telescopic rods (5) and tail end telescopic rods (6) layer by layer in sequence, wherein the superposition screw rod cylinder body (2) is arranged between the head end telescopic rod (3), the head end telescopic rod (3) is arranged between the head end telescopic rod (3) and the head end second telescopic rod (4), and the head end second telescopic rod (4) is arranged between the head end second telescopic rod and the middle telescopic rod (5); the middle telescopic rods (5) are in sliding connection and match with the tail telescopic rods (6) through screw rod nut mechanisms, power is transmitted between all screw rods through gears, and a driving mechanism (8) is connected with the screw rod close to the synchronous box base (1); the drive mechanism (8) comprises: the servo motor (81), the driving wheel (82) and the driving wheel (83), wherein the servo motor (81) is fixed on the synchronous box base (1), the driving wheel (82) is concentrically matched with the output shaft of the servo motor (81) after penetrating through the synchronous box base (1), the driving wheel (83) is rotatably matched on the synchronous box base (1) through a shaft rod and a ball bearing, and the driving wheel (82) and the driving wheel (83) are in belt transmission or gear engagement.
2. A stacked electric cylinder as claimed in claim 1, wherein: the head end telescopic link (3) comprises a head end movable seat (31), a head end screw rod (32), a head end screw rod nut (33), a head end driving wheel (34) and a head end driven wheel (35), wherein the head end movable seat (31) is fixed at one end, close to a synchronous box base (1), of the head end telescopic link (3), a shaft rod of the head end screw rod (32) and a shaft rod of a master-slave driving wheel (83) are concentrically fixed through a coupler, the head end screw rod nut (33) is fixed in the head end movable seat (31), the head end screw rod nut (33) is in threaded fit with the head end screw rod (32), a head end driving wheel (34) of a gear structure is externally embedded on the head end screw rod (32), the head end driving wheel (34) is meshed with the head end driven wheel (35) of the gear structure, and the head end driven wheel (35) is in rotary fit with the head end movable seat (31) through the shaft rod and a ball bearing.
3. A stacked electric cylinder as claimed in claim 2, wherein: the head end second telescopic rod (4) comprises a head end second movable seat (41), a head end second screw rod (42), a head end second screw rod nut (43), a head end second driving wheel (44) and a head end second driven wheel (45), wherein the head end second movable seat (41) is fixed at one end, close to the synchronous box base (1), of the head end second telescopic rod (4), a shaft rod of the head end second screw rod (42) and a shaft rod of the head end driven wheel (35) are concentrically fixed through a coupler, the head end second screw rod nut (43) is fixed in the head end second movable seat (41), the head end second screw rod nut (43) is in threaded fit with the head end second screw rod (42), the head end second driving wheel (44) of a gear structure is fixedly embedded on the head end second screw rod (42) through a spline, and the head end second driving wheel (44) of the head end second driven wheel (45) of the gear structure is meshed; the head end second driven wheel (45) is in rotary fit with the head end second movable seat (41) through a shaft rod and a ball bearing.
4. A stacked electric cylinder as claimed in claim 3, wherein: the middle telescopic rod (5) comprises a middle movable seat (51), a middle screw rod (52), a middle screw rod nut (53), a middle driving wheel (54) and a middle driven wheel (55), wherein the middle movable seat (51) is fixed at one end, close to a synchronous box base (1), of the middle telescopic rod (5), a shaft rod of the middle screw rod (52) and a shaft rod of a head end second driven wheel (45) are concentrically fixed through a coupler, the middle screw rod nut (53) is fixed in the middle movable seat (51), the middle screw rod nut (53) is in threaded fit with the middle screw rod (52), the middle driving wheel (54) with a gear structure is externally embedded on the middle screw rod (52) through a spline, and the middle driving wheel (54) is meshed with the middle driven wheel (55) with the gear structure; the middle driven wheel (55) is in rotary fit with the middle movable seat (51) through a shaft rod and a ball bearing.
5. The superimposed power cylinder according to claim 4, wherein: the number of the middle telescopic rods (5) is one group.
6. The superimposed power cylinder according to claim 4, wherein: the number of the middle telescopic rods (5) is more than one group, and the middle lead screws (52) of the middle telescopic rods (5) adjacent to the head end second telescopic rods (4) are coaxially fixed through a coupler and the head end second driven wheels (45); for the transmission of other middle screw rods (52): the rotating shaft of the middle driven wheel (55) of the middle telescopic rod (5) close to the base (1) of the synchronous box is coaxially fixed with the middle screw rod (52) adjacent to the rotating shaft and far away from the middle telescopic rod (5) close to the base (1) of the synchronous box through a coupler.
7. A stacked electric cylinder as claimed in claim 5 or 6, wherein: the tail end telescopic rod (6) comprises a tail end movable seat (61), a tail end screw rod (62) and a tail end screw rod nut (63), wherein the tail end movable seat (61) is fixed at one end, close to a synchronous box base (1), of the tail end telescopic rod (6), a shaft rod of the tail end screw rod (62) and an adjacent middle driven wheel (55) of the tail end screw rod is concentrically fixed through a coupler, the tail end screw rod nut (63) is fixed in the tail end movable seat (61), and the tail end screw rod nut (63) and the tail end screw rod (62) are in threaded fit.
8. A stacked electric cylinder as claimed in claim 1, wherein: the synchronous box base (1) is characterized in that a synchronous box cover (84) with a cover body structure is fixed on the sides of the driving wheel (82) and the driving wheel (83).
9. The superimposed power cylinder as defined in claim 7, wherein: a telescopic rod connector (7) is arranged on one side of the tail end telescopic rod (6) far away from the base of the synchronous box to seal the end part of the tail end telescopic rod (6); and a superposition body flange with a sealing effect is arranged between the superposition screw rod cylinder body (2) and the head end telescopic rod (3), between the head end telescopic rod (3) and the head end second telescopic rod (4) and between the head end second telescopic rod (4) and the middle telescopic rod (5).
10. The superimposed power cylinder according to claim 4, wherein: the head end driving wheel (34), the head end driven wheel (35), the head end second driving wheel (44), the head end second driven wheel (45), the middle driving wheel (54) and the middle driven wheel (55) are all gears with the same type; the rotation modes of the threads on the head end screw rod (32), the head end second screw rod (42), the middle screw rods (52) and the tail end screw rods (62) are alternately arranged in a right-handed and left-handed circulation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322394452.XU CN220711258U (en) | 2023-09-02 | 2023-09-02 | Superimposed electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322394452.XU CN220711258U (en) | 2023-09-02 | 2023-09-02 | Superimposed electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220711258U true CN220711258U (en) | 2024-04-02 |
Family
ID=90444878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322394452.XU Active CN220711258U (en) | 2023-09-02 | 2023-09-02 | Superimposed electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220711258U (en) |
-
2023
- 2023-09-02 CN CN202322394452.XU patent/CN220711258U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106826801B (en) | Selective compliance assembly robot arm and its control system | |
| CN111130263B (en) | Integrated electric cylinder based on reverse planetary roller screw | |
| CN106160331A (en) | A kind of dynamo-electric fusion type high thrust electric cylinder | |
| WO2009125585A1 (en) | Cylinder device | |
| CN108657419A (en) | A kind of high load compact electric steering engine transmission mechanism | |
| CN207902738U (en) | A kind of small-sized electric steering engine | |
| CN103448898B (en) | Marine integral electric steering gear | |
| CN105909777A (en) | Automatic control device | |
| CN220711258U (en) | Superimposed electric cylinder | |
| CN208057553U (en) | A kind of mechanical electronic hydraulic digital servo valve | |
| CN205503895U (en) | Rotatory device of restriction screw nut | |
| CN219263112U (en) | Multistage electric cylinder | |
| CN201779228U (en) | Novel mechanical transmission mechanism | |
| CN216382532U (en) | Power flow switching device | |
| CN104534041A (en) | Electric execution device of dual-redundancy direct-drive type roller lead screw pair | |
| CN201960069U (en) | Structure for connecting fly wheel and screw stem of spindle press | |
| CN112737211A (en) | Novel electric cylinder | |
| CN107160385A (en) | A kind of five axis robots with flexible gear structure | |
| CN201144916Y (en) | Hydraulic actuating cylinder for steering outputting angular displacement and torque | |
| CN216774642U (en) | Dual-redundancy electric steering engine | |
| CN103671890A (en) | Electric control gearbox actuator | |
| CN220067126U (en) | Screw rod type double-head synchronous electric cylinder | |
| CN109617305A (en) | A kind of two-way shaft servo straight line executing mechanism | |
| CN220822814U (en) | Electric cylinder | |
| CN221111892U (en) | Robot end driver and robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |