CN113007274B - Three-stage energy storage buffering auxiliary lifting device - Google Patents
Three-stage energy storage buffering auxiliary lifting device Download PDFInfo
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- CN113007274B CN113007274B CN202110206473.7A CN202110206473A CN113007274B CN 113007274 B CN113007274 B CN 113007274B CN 202110206473 A CN202110206473 A CN 202110206473A CN 113007274 B CN113007274 B CN 113007274B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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Abstract
The invention discloses a three-stage energy storage buffering auxiliary lifting device, which belongs to the technical field of buffering auxiliary lifting and comprises an outer cylinder, an inner cylinder, a self-locking sleeve, a top cover and a lifting table; the lifting platform is arranged at the upper part of the primary spring and is guided by the upper and lower sliding of the outer cylinder; the upper side of the lifting platform is respectively connected with the top cover and the self-locking sleeve through a secondary spring and a tertiary spring; the self-locking sleeve is in a conical cylinder shape with a large upper part and a small lower part and is sleeved on the outer side of the top cover; the inner cylinder is arranged on the upper side of the top cover, and the inner cylinder slides downwards to compress the self-locking sleeve. Through the tertiary buffer and the tertiary supplementary promotion of protecting against shock of spring, can realize the safe and stable lift to equipment, avoid the powerful impact of equipment and provide the auxiliary power that equipment upwards promoted, protection equipment safe operation and extension equipment life.
Description
Technical Field
The invention belongs to the technical field of buffer auxiliary lifting, and particularly relates to a three-stage energy storage buffer auxiliary lifting device.
Background
Nowadays, in metallurgical production equipment, a plurality of large-scale frame structures or lifting equipment with larger tonnage exist, and in production, the lifting system of the equipment is overloaded due to the self weight of the equipment and the impact of the equipment in the production process, so that the problem of frequent damage of the lifting system exists.
The buffer device is generally used for counteracting dead weight and impact of the device, and the related device is complex in structure, insufficient in buffer performance and poor in safety.
Disclosure of Invention
The invention provides a three-stage energy storage buffering auxiliary lifting device, which aims to solve the problems that the load of a lifting system of equipment is overlarge, the lifting system is frequently damaged due to the large self weight and production impact of the existing metallurgical production equipment, and the existing buffering equipment is complex in structure, insufficient in buffering performance and poor in safety.
The invention is realized by the following technical scheme.
A three-stage energy storage buffering auxiliary lifting device comprises an outer cylinder, an inner cylinder, a self-locking sleeve, a top cover and a lifting table; the lifting platform is arranged at the upper part of the primary spring and is guided by the upper and lower sliding of the outer cylinder; the upper side of the lifting platform is respectively connected with the top cover and the self-locking sleeve through a secondary spring and a tertiary spring; the self-locking sleeve is in a conical cylinder shape with a large upper part and a small lower part and is sleeved on the outer side of the top cover; the inner cylinder is arranged on the upper side of the top cover, and the inner cylinder slides downwards to compress the self-locking sleeve.
The invention further improves that the upper side of the lifting platform is provided with a self-locking cylinder, ball holes are annularly arranged on the self-locking cylinder at intervals, and balls are arranged in the ball holes; the top cover is closely attached to the inner side of the ball.
In addition, the top cover is provided with a ball groove for locking the inner side of the ball; the ball groove downside is equipped with the locking boss, locking boss outward appearance is smooth cambered surface.
The invention further improves that a secondary spring guide rod for guiding and positioning the secondary spring is arranged in the self-locking cylinder; the bottom side of the lifting platform is provided with a bottom cylinder for guiding and positioning the upper part of the primary spring.
The invention further improves that the lifting platform is provided with a guide rod fixing plate, three-stage spring guide rods are annularly arranged on the guide rod fixing plate at intervals, and the three-stage springs are sleeved on the three-stage spring guide rods; the self-locking sleeve is provided with spring barrels at intervals in an annular mode; the three-stage spring guide rod upwards penetrates through the spring cylinder, and the upper side and the lower side of the three-stage spring are respectively in contact support with the spring cylinder and the guide rod fixing plate.
The invention further improves that the lifting platform is provided with a bottom plate, and guide grooves are formed in the bottom plate at intervals in an annular mode; guide plates are arranged on the inner cylinder at intervals in an annular mode, and guide holes are formed between every two guide plates; and guide keys for guiding the guide grooves and the guide holes are arranged on the inner side of the outer cylinder at intervals.
The invention further improves that a baffle is arranged on the upper side of the self-locking sleeve at intervals in an annular mode, and a positioning plate for limiting the baffle to the upper limit position is arranged on the inner side of the outer cylinder; and a positioning groove for avoiding the positioning plate is formed in the inner cylinder.
The invention further improves that the lifting platform is provided with a positioning platform for limiting the bottom position of the inner cylinder.
The invention further improves that the inner bottom side of the outer cylinder is provided with a primary spring guide rod for guiding and positioning the primary spring; the bottom outside the outer cylinder is provided with a base, and the base is provided with a mounting hole.
The invention further improves that the bottom of the top cover is provided with a sleeve for guiding and positioning the upper part of the secondary spring.
From the technical scheme, the beneficial effects of the invention are as follows: 1. when the equipment is pressed down, the top cover and the inner cylinder slide downwards relative to the lifting platform at first, the top cover compresses the secondary spring, and when the self-locking sleeve with a big upper part and a small lower part is used for limiting the lower limit position of the bottom of the top cover, the bottom of the inner cylinder is contacted with the upper part of the self-locking sleeve, and the secondary spring and the tertiary spring are compressed simultaneously through the top cover and the inner cylinder respectively; then the inner barrel, the self-locking sleeve, the top cover and the lifting platform slide downwards together, and the primary spring is compressed through the lifting platform, so that effective buffering is realized. The compression of the primary spring, the secondary spring and the tertiary spring realizes effective buffering of the downward pressing impact of equipment, and energy storage is carried out through the springs. When the equipment rises, the primary spring stretches out to provide integral auxiliary upward jacking force; then the second-stage spring and the third-stage spring respectively jack up the top cover and the inner cylinder to provide auxiliary upward jacking force; when the inner cylinder is separated from the self-locking sleeve, the secondary spring independently continuously pushes the top cover and the inner cylinder upwards, and the self-locking of the top cover is released; the three-level auxiliary lifting of the equipment is realized, and the energy consumption of the lifting of the equipment is greatly saved. The device has the advantages of simple integral structure, convenience in use, safety and stability in lifting of the device can be realized through three-level anti-impact buffering and three-level auxiliary lifting of the spring, strong impact of the device is avoided, auxiliary power for lifting the device upwards is provided, and the safe operation of the device is protected and the service life of the device is prolonged. 2. The ball is arranged between the top cover and the self-locking sleeve, so that smooth transmission of interaction force between the top cover and the self-locking sleeve and self-locking of the self-locking sleeve to the top cover are realized, and the reliability and stability of use are ensured. 3. The ball is limited through the locking groove, so that the self-locking of the top cover is realized, the self-locking sleeve of the conical barrel structure slides up and down, the ball moves inside and outside the ball hole, the self-locking and unlocking of the top cover are realized, and the running reliability and stability are ensured. 4. The secondary spring guide rod positions and guides the bottom of the secondary spring, so that the stability and reliability of the telescopic action of the secondary spring are ensured; the upper part of the primary spring is positioned and supported through the bottom cylinder, so that the stability, reliability and accuracy of the compression action of the primary spring are ensured. 5. The three-stage spring support is arranged between the spring cylinder and the guide rod fixing plate, so that the buffer of the relative motion of the self-locking sleeve and the lifting table and the auxiliary lifting of the self-locking sleeve are realized, and the three-stage spring is positioned and guided by the three-stage spring guide rod, so that the stable and reliable operation of the three-stage spring is ensured. 6. The guide keys in the outer cylinder are respectively matched with the guide grooves and the guide holes to guide the lifting table and the inner cylinder in a sliding manner in the vertical direction, so that the stability of the vertical movement of the lifting table and the inner cylinder in the outer cylinder is ensured, the lifting table and the inner cylinder are prevented from rotating in the movement, and the reliability of operation is ensured. 7. Limiting the limit position of the baffle plate on the self-locking sleeve in the upward direction through a positioning plate on the outer cylinder to prevent the self-locking sleeve from being strung out upward; and the setting of constant head tank on the inner tube keeps away the position to the locating plate, can effectively avoid the action interference of inner tube and locating plate. 8. Limiting of the downward stroke of the inner cylinder can be achieved through the positioning table, excessive compression of the secondary spring and the tertiary spring is prevented, and service lives of the secondary spring and the tertiary spring are guaranteed. 9. Positioning and guiding are carried out on the bottom of the primary spring through a primary spring guide rod, so that the stability and reliability of the telescopic action of the primary spring are ensured; the primary spring guide rod is matched with the bottom cylinder to limit the limit position of the downward sliding of the lifting platform, so that the primary spring is prevented from being excessively compressed, and the service life of the primary spring is ensured; and the foundation bolts are arranged through the mounting holes on the base, the outer cylinder is fixed on the mounting and fixing surface, and the whole device can be quickly disassembled and flexibly adjusted. 10. The upper part of the secondary spring is positioned and supported through the sleeve, so that the stability, reliability and accuracy of the compression action of the secondary spring are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure of fig. 1.
Fig. 3 is a schematic view of the structure of fig. 1 with the outer cylinder removed.
FIG. 4 is a schematic view of the structure of FIG. 3 with the inner barrel and primary spring removed.
Fig. 5 is a schematic view of the structure of fig. 4 with the self-locking sleeve removed.
Fig. 6 is a schematic view of the structure of fig. 5 with the top cover removed.
Fig. 7 is a schematic structural view of an outer cylinder according to an embodiment of the present invention.
FIG. 8 is a schematic view of an inner barrel according to an embodiment of the present invention.
Fig. 9 is a schematic view of a lifting platform according to an embodiment of the present invention.
Fig. 10 is a schematic view of the structure of the top cover according to the embodiment of the present invention.
FIG. 11 is a schematic view of a self-locking sleeve according to an embodiment of the present invention.
In the accompanying drawings: 1. the device comprises an outer cylinder, 11, a base, 12, a guide key, 13, a positioning plate, 2, an inner cylinder, 21, a positioning groove, 22, a guide plate, 3, a self-locking sleeve, 31, a baffle, 32, a spring cylinder, 4, a top cover, 41, a ball groove, 42, a locking boss, 5, a lifting platform, 51, a bottom cylinder, 52, a bottom plate, 53, a self-locking cylinder, 54, a ball hole, 55, a three-stage spring guide rod, 56, a guide groove, 57, a positioning platform, 58, a guide rod fixing plate, 59, a two-stage spring guide rod, 6, a first-stage spring, 7, a second-stage spring, 8, a three-stage spring, 9, a ball, 10 and a first-stage spring guide rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.
As shown in the attached drawing, the three-stage energy storage buffering auxiliary lifting device comprises an outer cylinder 1, an inner cylinder 2, a self-locking sleeve 3, a top cover 4 and a lifting table 5; the self-locking sleeve 3, the top cover 4 and the lifting platform 5 are all arranged in the outer cylinder 1 in a sliding manner; the lifting table 5 is arranged at the upper part of the primary spring 6 and is guided by the up-down sliding of the inner wall of the outer cylinder 1; the upper side of the lifting platform 5 is respectively connected with the top cover 4 and the self-locking sleeve 3 through a secondary spring 7 and a tertiary spring 8; the self-locking sleeve 3 is in a conical cylinder shape with a large upper part and a small lower part and is sleeved on the outer side of the top cover 4; the top cover 4 is positioned on the inner side of the upper part of the self-locking sleeve 3; the inner cylinder 2 is arranged on the upper side of the top cover 4, and the inner cylinder 2 slides downwards to compress the self-locking sleeve 3 downwards.
The device is supported by the inner cylinder 2 in a contact way, when the device is pressed down, firstly, the top cover 4 and the inner cylinder 2 slide downwards relative to the lifting table 5 at the same time, the top cover 4 compresses the secondary spring 7, when the self-locking sleeve 3 with a big upper part and a small lower part is used for limiting the lower limit position of the bottom of the top cover 4, the bottom of the inner cylinder 2 is contacted with the upper part of the self-locking sleeve 3, and the secondary spring 7 and the tertiary spring 8 are compressed simultaneously by the top cover 4 and the inner cylinder 2 respectively; then the inner cylinder 2, the self-locking sleeve 3, the top cover 4 and the lifting platform 5 slide downwards together, and the primary spring 6 is compressed through the lifting platform 5, so that effective buffering is realized. By compressing the primary spring 6, the secondary spring 7 and the tertiary spring 8, the device is effectively buffered against the downward impact, and energy is stored through the springs. When the equipment rises, the primary spring 6 stretches out to provide integral auxiliary upward pushing force; then the second-stage spring 7 and the third-stage spring 8 respectively jack up the top cover 4 and the inner cylinder 2 to provide auxiliary upward jacking force; when the inner cylinder 2 is separated from the self-locking sleeve 3, the secondary spring 7 independently continuously upwards jacks the top cover 4 and the inner cylinder 2, and the self-locking of the top cover 4 is released; the three-level auxiliary lifting of the equipment is realized, and the energy consumption of the lifting of the equipment is greatly saved. The device has the advantages of simple integral structure, convenience in use, safety and stability in lifting of the device can be realized through three-level anti-impact buffering and three-level auxiliary lifting of the spring, strong impact of the device is avoided, auxiliary power for lifting the device upwards is provided, and the safe operation of the device is protected and the service life of the device is prolonged.
The upper side of the lifting platform 5 is provided with a self-locking cylinder 53, ball holes 54 are annularly arranged on the self-locking cylinder 53 at intervals, and balls 9 are arranged in the ball holes 54; the top cover 4 is closely attached to the inner side of the ball 9. The ball 9 is arranged between the top cover 4 and the self-locking sleeve 3, so that smooth transmission of interaction force between the top cover 4 and the self-locking sleeve 3 and self-locking of the top cover 4 are realized, and the reliability and stability of use are ensured.
The top cover 4 is provided with a ball groove 41 for locking the inner side of the ball 9; the lower side of the ball groove 41 is provided with a locking boss 42, and the outer surface of the locking boss 42 is a smooth cambered surface. The ball 9 is limited by the locking groove 41, so that the self-locking of the top cover 4 is realized, the self-locking sleeve 3 of the conical cylinder structure slides up and down, the ball 9 moves inside and outside the ball hole 54, the self-locking and unlocking of the top cover 4 are realized, and the running reliability and stability are ensured. Specifically, the locking groove 41 has a certain width relative to the ball 9, when the ball 9 is just clamped into the locking groove 41 when being impacted, the inner cylinder 2 is contacted with the self-locking sleeve 3, the inner cylinder 2 and the top cover 4 respectively overcome the elasticity of the secondary spring 7 and the tertiary spring 8 at the same time, and the downward movement distance corresponds to the width of the locking groove 41; then the whole lifting platform 5 moves downwards against the elasticity of the primary spring 6 to realize effective buffering of equipment impact, and the tertiary spring 8 mainly plays a role in supporting and resetting the self-locking sleeve 3 and properly buffering the whole.
A secondary spring guide rod 59 for guiding and positioning the secondary spring 7 is arranged in the self-locking barrel 53; the middle part of the bottom side of the lifting platform 5 is provided with a bottom cylinder 51 for guiding and positioning the upper part of the primary spring 6. The bottom of the secondary spring 7 is positioned and guided by the secondary spring guide rod 59, so that the stability and reliability of the telescopic action of the secondary spring 7 are ensured; the upper part of the primary spring 6 is positioned and supported through the bottom cylinder 51, so that the stability, reliability and accuracy of the compression action of the primary spring 6 are ensured; preferably, the primary spring 6 is disposed inside the bottom cylinder 51.
The lifting platform 5 is provided with guide rod fixing plates 58, four vertical three-stage spring guide rods 55 are uniformly arranged on the guide rod fixing plates 58 at annular intervals, and the three-stage springs 8 are sleeved on the three-stage spring guide rods 55; four spring barrels 32 are arranged on the self-locking sleeve 3 at intervals in an annular mode; the tertiary spring guide rod 55 penetrates the spring cylinder 32 upwards, and the upper side and the lower side of the tertiary spring 8 are respectively contacted and supported with the spring cylinder 32 and the guide rod fixing plate 58. The three-stage spring 8 is supported and arranged between the spring cylinder 32 and the guide rod fixing plate 58, so that the buffer of the relative motion of the self-locking sleeve 3 and the lifting table 5 and the auxiliary lifting reset of the self-locking sleeve 3 are realized, the three-stage spring 8 is positioned and guided by the three-stage spring guide rod 55, and the stable and reliable operation of the three-stage spring 8 is ensured. And the three-stage springs 8 are uniformly arranged on the lifting table 5 at intervals in a ring shape, so that the overall compression stability of the self-locking sleeve 3 and the lifting table 5 is ensured, the inclination phenomenon in the telescopic action is avoided, and the operation of each part in the vertical direction is effectively ensured. Preferably, the tertiary spring 8 is disposed inside the spring cylinder 32.
A bottom plate 52 is arranged on the lifting platform 5, and guide grooves 56 are formed in the bottom plate 52 at intervals in an annular mode; guide plates 22 are arranged on the inner cylinder 2 at annular intervals, and guide holes are formed between every two guide plates 22; the inner side of the outer cylinder 1 is provided with guide keys 12 at intervals for guiding the guide grooves 56 and the guide holes. The guide keys 12 in the outer cylinder 1 are respectively matched with the guide grooves 56 and the guide holes to guide the lifting table 5 and the inner cylinder 2 in a sliding manner in the vertical direction, so that the stability of the vertical movement of the lifting table 5 and the inner cylinder 2 in the outer cylinder 1 is ensured, the rotation phenomenon of the lifting table 5 and the inner cylinder 2 in the movement can be prevented, and the reliability of operation is ensured.
A baffle 31 is arranged on the upper side of the self-locking sleeve 3 at intervals in an annular mode, a positioning plate 13 for limiting the upper limit position of the baffle 31 is arranged on the inner side of the outer cylinder 1, and the positioning plate 13 and the guide key 12 are arranged at intervals; the inner cylinder 2 is provided with a positioning groove 21 for avoiding the positioning plate 13. The baffle plate 31 on the self-locking sleeve 3 is limited in the limit position in the upward direction through the positioning plate 13 on the outer cylinder 1, so that the self-locking sleeve 3 is prevented from being strung out upward. And the setting of the positioning groove 21 on the inner cylinder 2 keeps away the positioning plate 13, so that the action interference of the inner cylinder 2 and the positioning plate 13 can be effectively avoided.
The lifting table 5 is provided with a positioning table 57 for limiting the bottom position of the inner cylinder 2. Limiting the downward stroke of the inner cylinder 2 through the positioning table 57 prevents excessive compression of the secondary spring 7 and the tertiary spring 8, and ensures the service lives of the secondary spring 7 and the tertiary spring 8. Meanwhile, the baffle 31 can also limit the upper limit position of the tertiary spring guide rod 55, so as to prevent the tertiary spring 8 from being excessively compressed. When the inner cylinder 2 and the positioning table 57 are pressed down, the secondary springs 7 and the tertiary springs 8 are not compressed any more, and the primary springs 6 start to be compressed.
A primary spring guide rod 10 for guiding and positioning the primary spring 6 is arranged at the bottom side of the inner part of the outer cylinder 1; the bottom outside the outer cylinder 1 is provided with a base 11, and the base 11 is provided with a mounting hole. The bottom of the primary spring 6 is positioned and guided by the primary spring guide rod 10, so that the stability and reliability of the telescopic action of the primary spring 6 are ensured; and the limit position of the downward sliding of the lifting platform 5 is limited by the cooperation of the primary spring guide rod 10 and the bottom cylinder 51, so that the excessive compression of the primary spring 6 is prevented, and the service life of the primary spring 6 is ensured. And the foundation bolts are arranged through the mounting holes on the base 11, so that the outer cylinder 1 is fixed on the mounting and fixing surface, and the whole device can be quickly disassembled and flexibly adjusted.
The bottom of the top cover 4 is provided with a sleeve for guiding and positioning the upper part of the secondary spring 7. The upper part of the secondary spring 7 is positioned and supported through the sleeve, so that the stability, reliability and accuracy of the compression action of the secondary spring 7 are ensured. Preferably, the secondary spring 7 is arranged inside said sleeve.
The three-stage energy storage buffering auxiliary lifting device is simple in structure, convenient to use, and capable of effectively buffering the downward impact of equipment by compressing the primary spring, the secondary spring and the tertiary spring when the equipment is pressed down, and storing energy through the springs; when the equipment rises, the three springs provide auxiliary upward jacking force, three-level auxiliary lifting of the equipment is realized, and the energy consumption of equipment lifting is greatly saved. Through the tertiary buffer and the tertiary supplementary promotion of protecting against shock of spring, can realize the safe and stable lift to equipment, avoid the powerful impact of equipment and provide the auxiliary power that equipment upwards promoted, protection equipment safe operation and extension equipment life.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present invention and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The three-stage energy storage buffering auxiliary lifting device is characterized by comprising an outer cylinder (1), an inner cylinder (2), a self-locking sleeve (3), a top cover (4) and a lifting table (5); the lifting platform (5) is arranged at the upper part of the primary spring (6) and is guided by the upper and lower sliding of the outer cylinder (1); the upper side of the lifting platform (5) is respectively connected with the top cover (4) and the self-locking sleeve (3) through a secondary spring (7) and a tertiary spring (8); the self-locking sleeve (3) is in a conical cylinder shape with a large upper part and a small lower part and is sleeved on the outer side of the top cover (4); the inner cylinder (2) is arranged on the upper side of the top cover (4), and the inner cylinder (2) slides downwards to compress the self-locking sleeve (3); a bottom plate (52) is arranged on the lifting table (5), and guide grooves (56) are formed in the bottom plate (52) at intervals in an annular mode; guide plates (22) are arranged on the inner cylinder (2) at intervals in an annular mode, and guide holes are formed between every two guide plates (22); guide keys (12) for guiding the guide grooves (56) and the guide holes are arranged on the inner side of the outer cylinder (1) at intervals; when the equipment is pressed down, the top cover (4) and the inner cylinder (2) slide downwards relative to the lifting table (5), the top cover (4) compresses the secondary spring (7), when the self-locking sleeve (3) limits the bottom of the top cover (4) at the lower limit position, the bottom of the inner cylinder (2) is contacted with the upper part of the self-locking sleeve (3), the secondary spring (7) and the tertiary spring (8) are respectively compressed through the top cover (4) and the inner cylinder (2), the self-locking sleeve (3), the top cover (4) and the lifting table (5) slide downwards together, the lifting table (5) compresses the primary spring (6), the equipment pressing impact is buffered, and the equipment pressing impact is stored through three springs; when the equipment ascends, the primary spring (6) stretches out, and the secondary spring (7) and the tertiary spring (8) respectively jack up the top cover (4) and the inner cylinder (2) to provide auxiliary upward jacking force; when the inner cylinder (2) is separated from the self-locking sleeve (3), the secondary spring (7) continuously and upwards jacks the top cover (4) and the inner cylinder (2) independently, and the self-locking of the top cover (4) is released, so that three-level auxiliary lifting is provided for equipment.
2. The three-stage energy storage buffering auxiliary lifting device according to claim 1, wherein a self-locking cylinder (53) is arranged on the upper side of the lifting table (5), ball holes (54) are formed in the self-locking cylinder (53) at intervals in an annular mode, and balls (9) are arranged in the ball holes (54); the top cover (4) is tightly attached to the inner side of the ball (9).
3. The three-stage energy storage buffering auxiliary lifting device according to claim 2, wherein the top cover (4) is provided with a ball groove (41) for locking the inner side of the ball (9); the lower side of the ball groove (41) is provided with a locking boss (42), and the outer surface of the locking boss (42) is a smooth cambered surface.
4. The three-stage energy storage buffering auxiliary lifting device according to claim 2, wherein a secondary spring guide rod (59) for guiding and positioning the secondary spring (7) is arranged in the self-locking cylinder (53); the bottom side of the lifting platform (5) is provided with a bottom cylinder (51) for guiding and positioning the upper part of the primary spring (6).
5. The three-stage energy storage buffering auxiliary lifting device according to claim 1, wherein guide rod fixing plates (58) are arranged on the lifting table (5), three-stage spring guide rods (55) are arranged on the guide rod fixing plates (58) at intervals in a ring shape, and the three-stage springs (8) are sleeved on the three-stage spring guide rods (55); the self-locking sleeve (3) is provided with spring barrels (32) at intervals in an annular mode; the three-stage spring guide rod (55) upwards penetrates through the spring cylinder (32), and the upper side and the lower side of the three-stage spring (8) are respectively in contact support with the spring cylinder (32) and the guide rod fixing plate (58).
6. The three-stage energy storage buffering auxiliary lifting device according to claim 1, wherein baffle plates (31) are annularly arranged on the upper side of the self-locking sleeve (3) at intervals, and positioning plates (13) for limiting the baffle plates (31) to the upper limit position are arranged on the inner side of the outer cylinder (1); a positioning groove (21) for avoiding the positioning plate (13) is formed in the inner cylinder (2).
7. The three-stage energy storage buffering auxiliary lifting device according to claim 1, wherein a positioning table (57) limiting the bottom position of the inner cylinder (2) is arranged on the lifting table (5).
8. The three-stage energy storage buffering auxiliary lifting device according to claim 1, wherein a primary spring guide rod (10) for guiding and positioning the primary spring (6) is arranged at the bottom side of the inner part of the outer cylinder (1); the bottom outside the outer cylinder (1) is provided with a base (11), and the base (11) is provided with a mounting hole.
9. The three-stage energy storage buffering auxiliary lifting device according to claim 1, wherein a sleeve guiding and positioning the upper part of the secondary spring (7) is arranged at the bottom of the top cover (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110206473.7A CN113007274B (en) | 2021-02-24 | 2021-02-24 | Three-stage energy storage buffering auxiliary lifting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110206473.7A CN113007274B (en) | 2021-02-24 | 2021-02-24 | Three-stage energy storage buffering auxiliary lifting device |
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| CN113007274A CN113007274A (en) | 2021-06-22 |
| CN113007274B true CN113007274B (en) | 2023-05-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04171000A (en) * | 1990-11-05 | 1992-06-18 | Sanyo Electric Co Ltd | Vibration isolator for centrifugal dehydrator |
| CN106930047A (en) * | 2015-12-30 | 2017-07-07 | 合肥海尔洗衣机有限公司 | A kind of washing machine mutative damp vibration absorber and washing machine |
| CN206072038U (en) * | 2016-08-30 | 2017-04-05 | 富鼎电子科技(嘉善)有限公司 | Self-locking elevating mechanism |
| CN207197771U (en) * | 2017-09-08 | 2018-04-06 | 天津鼎成高新技术产业有限公司 | One kind is dropped hammer locking releasing device |
| CN209023975U (en) * | 2018-06-20 | 2019-06-25 | 上海亚荣电梯设备制造有限公司 | Elevator spring damper |
| CN209673321U (en) * | 2019-05-05 | 2019-11-22 | 江苏中元凯博认证服务有限公司 | A kind of frame cushion for children's seat impact test |
| CN111169625A (en) * | 2020-01-15 | 2020-05-19 | 郑州航空工业管理学院 | Unmanned aerial vehicle is with removing wheel |
| CN212450170U (en) * | 2020-06-15 | 2021-02-02 | 苏州东方富力电梯部件有限公司 | Buffer for elevator |
| CN212374572U (en) * | 2020-07-28 | 2021-01-19 | 江苏中利集团股份有限公司 | Quick locking disc device |
| CN214743009U (en) * | 2021-02-24 | 2021-11-16 | 山东钢铁股份有限公司 | Three-level energy storage buffering auxiliary lifting device |
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2021
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