CN211183680U - Heavy-load servo electric cylinder - Google Patents
Heavy-load servo electric cylinder Download PDFInfo
- Publication number
- CN211183680U CN211183680U CN201922122994.5U CN201922122994U CN211183680U CN 211183680 U CN211183680 U CN 211183680U CN 201922122994 U CN201922122994 U CN 201922122994U CN 211183680 U CN211183680 U CN 211183680U
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- cylinder barrel
- rod
- fixedly connected
- cylinder
- upper cover
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 230000003116 impacting effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000283984 Rodentia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses a heavy-load servo electric cylinder, which comprises a cylinder barrel, wherein one end of the cylinder barrel is fixedly connected with a mounting plate, and the other end of the cylinder barrel is fixedly connected with an upper cover plate of which the left side and the right side are provided with limit holes; a driving rod capable of linearly moving along the axial direction of the cylinder barrel is arranged inside one side of the cylinder barrel, which is close to the upper cover plate, one end of the driving rod penetrates through the upper cover plate and then is fixedly connected with the connecting plate, and the other end of the driving rod is positioned inside the cylinder barrel; the mounting plate is provided with a servo motor. The utility model has simple structure and reasonable design, the connecting plate is fixedly sleeved on the driving rod by the fixing sleeve, the guide rod which can slide along the cylinder and is fixedly connected with the connecting plate is arranged on the cylinder, and the ratchet bar and the pawl matched with the ratchet bar are arranged on the guide rod; set up control pawl pivoted electro-magnet simultaneously, prevent that the actuating lever reverse motion under the condition of outage from impacting servo electronic jar body, cause the damage of internals, fine protection servo electronic jar body, extension servo electronic jar life.
Description
Technical Field
The utility model relates to an electronic jar technical field especially relates to a servo electronic jar of heavy load.
Background
The existing high-thrust servo electric cylinder can basically meet the driving requirement when being driven. However, because the high-thrust electric cylinder is used in a high-load environment, if the electric cylinder is powered off suddenly during operation, the electric cylinder loses driving force, and the pushed heavy object drives the driving rod to move reversely rapidly to impact the electric cylinder body, so that the internal parts of the electric cylinder are damaged, and the service life of the electric cylinder is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a heavy-duty servo electric cylinder which has simple structure and reasonable design, and teeth and a pawl matched with the teeth are arranged on a guide rod; set up control pawl pivoted electro-magnet simultaneously, prevent that the actuating lever reverse motion under the condition of outage from impacting electronic jar body, cause the damage of internals, electronic jar body of fine protection has prolonged electronic jar life.
The utility model discloses the technical scheme who adopts as follows:
a heavy-load servo electric cylinder comprises a cylinder barrel and is characterized in that one end of the cylinder barrel is fixedly connected with an installation plate, and the other end of the cylinder barrel is fixedly connected with an upper cover plate, the left side and the right side of which are provided with limit holes; a driving rod capable of linearly moving along the axial direction of the cylinder barrel is arranged inside one side of the cylinder barrel, which is close to the upper cover plate, one end of the driving rod penetrates through the upper cover plate and then is fixedly connected with the connecting plate, and the other end of the driving rod is positioned inside the cylinder barrel; a servo motor is arranged on one side of the mounting plate;
the two side walls of the cylinder barrel corresponding to the limiting holes are respectively provided with a sliding groove, each sliding groove is provided with a guide rod in sliding connection with the corresponding sliding groove, one end of each guide rod, close to the upper cover plate, penetrates through the limiting hole and is fixedly connected with the connecting plate, the side face of the other end of each guide rod is provided with a ratchet bar, and tooth openings of the ratchet bars face downwards; a pawl matched with a ratchet rack rodent to prevent the guide rod from moving downwards is arranged on the side wall of the cylinder barrel, and the pawl can be fixed on the side wall of the cylinder barrel in a rotating mode relative to the ratchet rack; an electromagnet is arranged on the side wall of the cylinder barrel and above the pawl; the pawl is far away from the ratchet bar when the electromagnet is in a power-on state, and the pawl is meshed with the ratchet bar when the electromagnet is in a power-off state.
Preferably, a track rod is fixedly installed in the sliding groove, a sliding block capable of sliding along the track rod is arranged on the track rod, and the sliding block is fixedly connected with one end, close to the installation plate, of the guide rod.
Preferably, a driving cavity is arranged in the cylinder barrel, and a screw rod is rotatably arranged in the driving cavity; guide grooves are formed in two sides of the inner wall of the driving cavity; a nut is arranged at one end of the driving rod, which is positioned in the cylinder barrel, and a guide block which is in sliding connection with the guide groove is arranged on the outer side wall of the driving rod; the nut and the screw rod form threaded connection.
Preferably, a transmission cavity is arranged in the mounting plate; an output shaft of the servo motor penetrates through the mounting plate to the transmission cavity and then is provided with a first gear; one end of the screw rod, which is close to the mounting plate, penetrates through the mounting plate and then is connected with a rotating shaft in the transmission cavity, and a second gear is mounted on the rotating shaft; the first gear and the second gear are connected through a transmission belt.
Preferably, a hydraulic buffer is arranged on the upper cover plate.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model has simple structure and reasonable design, the connecting plate is fixedly sleeved on the driving rod by the fixing sleeve, the guide rod which can slide along the cylinder and is fixedly connected with the connecting plate is arranged on the cylinder, and the ratchet bar and the pawl matched with the ratchet bar are arranged on the guide rod; set up control pawl pivoted electro-magnet simultaneously, prevent that the actuating lever reverse motion under the condition of outage from impacting servo electronic jar body, cause the damage of internals, fine protection servo electronic jar body, extension servo electronic jar life.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
wherein: the device comprises a cylinder barrel 1, an installation plate 2, a servo motor 3, a connecting plate 4, an upper cover plate 5, a driving rod 6, a guide rod 7, a pawl 8, an electromagnet 9, a track rod 10, a sliding block 11, a screw rod 12, a rotating shaft 13, a second gear 14, a first gear 15, a transmission belt 16, a hydraulic buffer 17, a transmission cavity 21, a limiting hole 51, a guide block 61, a nut 62, a ratchet bar 71, a sliding groove 110, a driving cavity 111 and a guide groove 112.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-2, a heavy-duty servo electric cylinder comprises a cylinder barrel 1, and is characterized in that one end of the cylinder barrel 1 is fixedly connected with an installation plate 2, and the other end is fixedly connected with an upper cover plate 5 provided with limiting holes 51 at the left and right sides; a driving rod 6 capable of linearly moving along the axial direction of the cylinder barrel 1 is arranged inside one side of the cylinder barrel 1 close to the upper cover plate 5; one end of the driving rod 6 penetrates through the upper cover plate 5 and then is fixedly connected with the connecting plate 4, and the other end of the driving rod is positioned in the cylinder barrel 1; and a servo motor 3 is arranged on one side of the mounting plate 2.
As shown in fig. 1, two side walls of the cylinder barrel 1 corresponding to the limiting hole 51 are respectively provided with a sliding groove 110, the sliding grooves 110 are respectively provided with a guide rod 7 slidably connected with the sliding groove 110, one end of the guide rod 7 close to the upper cover plate 5 passes through the limiting hole 51 and then is fixedly connected with the connecting plate 4, the side surface of the other end is provided with a ratchet bar 71, and the tooth opening of the ratchet bar 71 faces downward; a pawl 8 which is matched with the ratchets 71 in a meshed manner and is used for preventing the guide rod 7 from moving downwards is arranged on the side wall of the cylinder barrel 1; the pawl 8 is fixed on the side wall of the cylinder barrel 1 and can rotate relative to the ratchet bar 71; an electromagnet 9 is arranged on the side wall of the cylinder barrel 1 above the pawl 8; when the electromagnet 9 is in a power-on state, the pawl 8 is far away from the ratchet bar 71, and when the electromagnet 9 is in a power-off state, the pawl 8 is meshed with the ratchet bar 71.
In the embodiment, a connecting plate 4 fixedly sleeved on the driving rod 6 is arranged, a guide rod 7 fixedly connected with the connecting plate 4 and capable of sliding along the cylinder 1 is arranged on the cylinder 1, and a ratchet bar 71 and a pawl 8 engaged with the ratchet bar 71 are arranged on the guide rod 7; and an electromagnet 9 for controlling the rotation of the pawl 8 is arranged to form a ratchet mechanism.
Initially, when the battery iron 9 is in an electrified state, the battery iron is attracted to the pawl 8, and at the moment, the ratchet bar 71 of the pawl 8, which is far away from the guide rod 7, is in a normal operation state; when the servo electric cylinder is powered off suddenly under the driving condition, the servo electric cylinder loses the driving force, and the pushed heavy object drives the driving rod to move reversely rapidly under the action of gravity; meanwhile, the electromagnet 9 is in a power-off state and loses magnetic force, the guide rod 7 of the pawl 8 rotates, and is matched with the ratchet bar 71 which moves downwards in a meshed mode, the guide rod 7 is prevented from continuing to move downwards, the driving rod 6 is prevented from continuing to move downwards to impact the servo electric cylinder body, internal parts are damaged, the servo electric cylinder body is well protected, and the service life of the servo electric cylinder is prolonged.
Furthermore, a track rod 10 is fixedly installed in the sliding groove 110, a sliding block 11 capable of sliding along the track rod 10 is arranged on the track rod 10, and the sliding block 11 is fixedly connected with one end of the guide rod 7 close to the installation plate 2.
In this embodiment, through setting up guide bar 7 and track pole 10 and can carrying out horizontal motion at the top and the bottom of cylinder 1 for actuating lever 6 is when the motion stretches out cylinder 1, and guide bar 7 and track pole 10 play fine guide effect to actuating lever 6, guarantee that the motion of actuating lever 6 is more stable.
Further, as shown in fig. 2, a driving cavity 111 is arranged in the cylinder barrel 1, and a screw rod 12 is rotatably mounted in the driving cavity 111; guide grooves 112 are formed in two sides of the inner wall of the driving cavity 111; a nut 62 is arranged at one end of the driving rod 6 positioned in the cylinder barrel 1, and a guide block 61 connected with the guide groove 112 in a sliding manner is arranged on the outer side wall; the nut 62 is in threaded connection with the screw 12.
Further, as shown in fig. 2, a transmission cavity 21 is arranged in the mounting plate 2; an output shaft of the servo motor 3 penetrates through the mounting plate 2 to the transmission cavity 21 and then is provided with a first gear 15; one end of the screw rod 12 close to the mounting plate 2 penetrates through the mounting plate 2 and then is connected with a rotating shaft 13 positioned in the transmission cavity 21, and a second gear 14 is arranged on the rotating shaft 13; the first gear 15 and the second gear 15 are connected by a belt 16.
In the embodiment, when the servo motor 3 is turned on in use, the screw rod 12 is driven to rotate through the first gear 15 and the second gear 14, the screw rod 12 rotates to enable the nut 62 to move on the screw rod 12, the linear guide part adopts the guide groove 112, a linear guide rail is not used, the guide groove 112 and the guide block 61 perform limit guide on the driving rod 6, and therefore the driving rod 6 is stretched.
Further, a hydraulic buffer 17 is arranged on the upper cover plate 5; the hydraulic damper 17 is shown for preventing the drive rod 6 from being reversely impacted to cause damage to the cylinder body of the servo motor.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.
Claims (6)
1. A heavy-load servo electric cylinder comprises a cylinder barrel (1) and is characterized in that one end of the cylinder barrel (1) is fixedly connected with an installation plate (2), and the other end of the cylinder barrel is fixedly connected with an upper cover plate (5) provided with limiting holes (51) at the left side and the right side; a driving rod (6) capable of linearly moving along the axial direction of the cylinder barrel (1) is arranged inside one side, close to the upper cover plate (5), of the cylinder barrel (1), one end of the driving rod (6) penetrates through the upper cover plate (5) and then is fixedly connected with the connecting plate (4), and the other end of the driving rod is located inside the cylinder barrel (1); a servo motor (3) is arranged on one side of the mounting plate (2);
the two side walls of the cylinder barrel (1) corresponding to the limiting hole (51) are respectively provided with a sliding groove (110), each sliding groove (110) is provided with a guide rod (7) in sliding connection with the corresponding sliding groove (110), one end, close to the upper cover plate (5), of each guide rod (7) penetrates through the limiting hole (51) and then is fixedly connected with the connecting plate (4), the side face of the other end of each guide rod is provided with a ratchet rack (71), and tooth openings of the ratchet racks (71) face downwards; a pawl (8) which is meshed with the ratchet bar (71) and used for preventing the guide rod (7) from moving downwards is arranged on the side wall of the cylinder barrel (1); the pawl (8) is fixed on the side wall of the cylinder barrel and can rotate relative to the ratchet rack (71); an electromagnet (9) is arranged on the side wall of the cylinder barrel (1) above the pawl (8); when the electromagnet (9) is in a power-on state, the pawl (8) is far away from the ratchet bar (71), and when the electromagnet (9) is in a power-off state, the pawl (8) is meshed with the ratchet bar (71).
2. A heavy-duty servo electric cylinder according to claim 1, characterized in that a track rod (10) is fixedly installed in the sliding groove (110), a sliding block (11) capable of sliding along the track rod (10) is arranged on the track rod (10), and the sliding block (11) is fixedly connected with one end of the guide rod (7) close to the mounting plate (2).
3. A heavy-duty servo electric cylinder according to claim 1, characterized in that a driving chamber (111) is provided in said cylinder tube (1), said driving chamber (111) being rotatably mounted with a lead screw (12); guide grooves (112) are formed in two sides of the inner wall of the driving cavity (111); a nut (62) is arranged at one end of the driving rod (6) positioned in the cylinder barrel (1), and a guide block (61) connected with the guide groove (112) in a sliding manner is arranged on the outer side wall; the nut (62) is in threaded connection with the screw rod (12).
4. A heavy-duty servo electric cylinder according to claim 1, characterized in that a transmission chamber (21) is provided in said mounting plate (2); an output shaft of the servo motor (3) penetrates through the mounting plate (2) to the transmission cavity (21) and then is provided with a first gear (15).
5. A heavy-duty servo electric cylinder according to claim 1, characterized in that a hydraulic shock absorber (17) is provided on the upper cover plate (5).
6. A heavy-duty servo electric cylinder according to claim 3, wherein one end of the screw rod (12) close to the mounting plate (2) penetrates through the mounting plate (2) and then is connected with a rotating shaft (13) in the transmission cavity (21), and the rotating shaft (13) is provided with a second gear (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122994.5U CN211183680U (en) | 2019-12-02 | 2019-12-02 | Heavy-load servo electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122994.5U CN211183680U (en) | 2019-12-02 | 2019-12-02 | Heavy-load servo electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211183680U true CN211183680U (en) | 2020-08-04 |
Family
ID=71800477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922122994.5U Expired - Fee Related CN211183680U (en) | 2019-12-02 | 2019-12-02 | Heavy-load servo electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211183680U (en) |
-
2019
- 2019-12-02 CN CN201922122994.5U patent/CN211183680U/en not_active Expired - Fee Related
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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: 20200804 |