CN111637189A - Air spring type shock absorber for textile machinery - Google Patents

Air spring type shock absorber for textile machinery Download PDF

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Publication number
CN111637189A
CN111637189A CN202010509257.5A CN202010509257A CN111637189A CN 111637189 A CN111637189 A CN 111637189A CN 202010509257 A CN202010509257 A CN 202010509257A CN 111637189 A CN111637189 A CN 111637189A
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CN
China
Prior art keywords
air spring
end cover
shock absorber
air
textile machinery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010509257.5A
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Chinese (zh)
Inventor
陈平静
陈清尧
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010509257.5A priority Critical patent/CN111637189A/en
Publication of CN111637189A publication Critical patent/CN111637189A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/023Suppression 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 fluid means
    • F16F15/0232Suppression 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 fluid means with at least one gas spring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/43Filling or drainage arrangements, e.g. for supply of gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/54Arrangements for attachment

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses an air spring type shock absorber for textile machinery, which comprises end covers and cushion blocks, wherein the inner sides of the end covers are fixedly connected with the cushion blocks, the inner sides of the cushion blocks are provided with shock absorption components, each shock absorption component comprises a flange ring, a waist ring, a bolt, a gasket, a sleeve, an air spring, a vertical rod and a transverse plate, the inner sides of the upper transverse plate and the lower transverse plate are in threaded connection with the flange rings through the bolts, and the outer sides of the vertical rod and the sleeve are respectively and fixedly connected with the upper end cover and the lower end cover. This air spring formula bumper shock absorber for textile machinery, structure scientific and reasonable, convenience safe in utilization is provided with air spring, the gas port, the trachea, the diaphragm, the flange ring, the cushion, the cooperation between end cover and the casing, makes the gas pressure with the air spring inner space reach the default, in the use afterwards, utilizes gaseous compressibility to play the spring action through air spring department, has avoided the less and great problem of spring shock absorber's the whole nature of rocking of the liquid compressibility of prior art's liquid bumper shock absorber.

Description

Air spring type shock absorber for textile machinery
Technical Field
The invention relates to the technical field of air springs, in particular to an air spring type shock absorber for textile machinery.
Background
Textile machinery is the required various mechanical equipment of processing into fabrics to natural fibre or chemical fibre, generalized textile machinery is still including the chemical machinery of production chemical fibre, textile machinery is textile industry's means of production and material basis, its technical level, quality and manufacturing cost, the development of direct relation to textile industry, although prior art bumper shock absorber can realize carrying out the shock attenuation protection to textile machinery, but prior art adopts liquid bumper shock absorber and spring damper to carry out the shock attenuation mostly and leads to having the less and spring damper's of the liquid compressibility great problem of whole wobbling nature of liquid bumper shock absorber, still have the spring damper simultaneously be not convenient for and the casing between carry out the problem of quick installation and dismantlement.
Disclosure of Invention
The invention aims to provide an air spring type shock absorber for textile machinery, which aims to solve the problems that the liquid compressibility of a liquid shock absorber is small and the overall shaking performance of the spring shock absorber is large in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an air spring type shock absorber for textile machinery comprises end covers and cushion blocks, wherein the inner sides of the end covers are fixedly connected with the cushion blocks, and shock absorption assemblies are mounted on the inner sides of the cushion blocks;
the damping assembly comprises a flange ring, a waist ring, a bolt, a gasket, a sleeve, an air spring, a vertical rod and a transverse plate;
from top to bottom the inboard of diaphragm all links to each other with flange ring screw through the bolt, the outer wall below of bolt is equipped with the gasket, the gasket closely laminates with bolt and diaphragm, the inboard joint of flange ring has air spring, a plurality of waist rings are installed to air spring's outer wall, telescopic inside clearance fit has the montant, montant and telescopic outside link to each other with upper and lower end cover is fixed respectively.
Preferably, the left sleeve, the right sleeve and the vertical rod are axially symmetrically distributed by taking the vertical center of the end cover as a reference.
Preferably, a mounting assembly is mounted inside the upper end of the upper end cover;
the mounting assembly comprises a sliding block, a spring, a positioning pin, a clamping block and a handle;
the left and right sliding blocks are slidably clamped on the left and right sides of the upper end cover, the upper side and the lower side of the sliding block are fixedly connected with a clamping block and a handle respectively, a spring is arranged on the inner side of the sliding block, the inner side and the outer side of the spring are fixedly connected with the upper end cover and the sliding block respectively, and the positioning pin is located in the center of the upper portion of the upper end cover.
Preferably, the outer wall of the handle is sleeved with a rubber sleeve.
Preferably, an inflation assembly is installed at the lower end of the transverse plate below the inflatable device;
the inflation assembly comprises an elbow, an air pipe and an air port;
the air port is processed inside the lower end transverse plate, the lower end of the air port is communicated with the air pipe through an elbow, and the air port is communicated with the inner space of the air spring.
Preferably, the upper portion the casing is installed to the upper end of end cover, the lower extreme and the locating pin of casing are fixed continuous, mutual joint between casing and the fixture block.
Compared with the prior art, the invention has the beneficial effects that: this air spring formula bumper shock absorber for textile machinery, structure scientific and reasonable, convenience safe in utilization:
be provided with air spring, gas port, trachea, diaphragm, flange ring, cushion, the cooperation between end cover and the casing, at the in-process that uses, the user can carry out gas supplementation through gas port and trachea in a plurality of air spring departments, makes the gas pressure with air spring inner space reach the default, later in the use, utilize gaseous compressibility to play the spring effect through air spring department, the less and great problem of spring damper's the whole nature of rocking of the liquid compressibility of having avoided prior art liquid damper.
Be provided with the fixture block, the casing, the end cover, the cushion, a spring, a handle, cooperation between locating pin and the air spring, the top end cover that has the fixture block corresponds and upwards promotes at the locating pin of casing, the end cover drives the in-process that the fixture block removed, make the casing can promote fixture block and slider outwards removal, and realize at extreme position that the fixture block inwards removes the joint between realization and the casing, realize the quick installation between casing and the whole bumper shock absorber, the user can inwards extrude the handle when needing to dismantle and realize dismantling, the spring damper of having avoided prior art is not convenient for and the casing between carry out the problem of quick installation and dismantlement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the end cap, spacer and sleeve of FIG. 1;
FIG. 3 is a schematic view of the end cap, cross plate and bolts of FIG. 1;
fig. 4 is a schematic structural diagram of the end cap, the spacer and the latch of fig. 1.
In the figure: 1. the air inflation assembly comprises an end cover, 2, an air inflation assembly, 201, an elbow, 202, an air pipe, 203, an air port, 3, a shock absorption assembly, 301, a flange ring, 302, a waist ring, 303, a bolt, 304, a gasket, 305, a sleeve, 306, an air spring, 307, a vertical rod, 308, a transverse plate, 4, a mounting assembly, 401, a sliding block, 402, a spring, 403, a positioning pin, 404, a clamping block, 405, a handle, 5, a cushion block, 6 and a machine shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an air spring type shock absorber for textile machinery comprises an end cover 1 and a cushion block 5, wherein the inner side of the end cover 1 is fixedly connected with the cushion block 5, the end cover 1 can support the cushion block 5, the inner side of the cushion block 5 is provided with a shock absorption assembly 3, the shock absorption assembly 3 comprises a flange ring 301, a waist ring 302, a bolt 303, a gasket 304, a sleeve 305, an air spring 306, a vertical rod 307 and a transverse plate 308, the inner sides of the upper transverse plate 308 and the lower transverse plate 308 are in threaded connection with the flange ring 301 through the bolt 303, the upper side and the lower side of the upper transverse plate 308 and the lower transverse plate 308 are respectively fixedly connected with the upper cushion block 5 and the lower cushion block 5, the transverse plate 308 and the flange ring 301 can be fixedly connected through the bolt 303, a gasket 304 is arranged below the outer wall of the bolt 303, the gasket 304 is tightly attached to the transverse plate 308, the air spring, the inside clearance fit of sleeve 305 has montant 307, and montant 305 can move in the inside of sleeve 305, and the outside of montant 307 and sleeve 305 is fixed with upper and lower end cap 1 respectively and is connected, and upper and lower end cap 1 accessible montant 307 and sleeve 305 carry out mutual location, and sleeve 305 and montant 307 all use the vertical center of end cap 1 to be axisymmetric distribution as the benchmark about.
The upper end of the upper end cover 1 is internally provided with the mounting assembly 4, the mounting assembly 4 comprises a sliding block 401, a spring 402, a positioning pin 403, a clamping block 404 and a handle 405, the left sliding block 401 and the right sliding block 401 are slidably clamped on the left side and the right side of the inner part of the upper end cover 1, the sliding block 401 can move inside the end cover 1, the clamping block 404 and the handle 405 are fixedly connected to the upper side and the lower side of the sliding block 401 respectively, the sliding block 401 can drive the clamping block 404 to move, the spring 402 is arranged on the inner side of the sliding block 401, the elastic coefficient K of the spring 402 is 800N/m, the inner side and the outer side of the spring 402 are fixedly connected with the upper end cover 1 and the sliding block 401 respectively, the sliding block 401 moves the casing extension spring 402 outwards, the positioning pin is located in the center of the.
The lower end of the lower transverse plate 308 is provided with the inflation assembly 2, the inflation assembly 2 comprises an elbow 201, an air pipe 202 and an air port 203, the air port 203 is processed inside the lower transverse plate 308, the lower end of the air port 203 is communicated with the air pipe 202 through the elbow 201, the air port 203 is communicated with the internal space of the air spring 306, the air supplement of the internal space of the air spring 306 can be realized through the air pipe 202 and the air port 203, the upper end of the upper end cover 1 is provided with a casing 6, the lower end of the casing 6 is fixedly connected with a positioning pin 403, the casing 6 is clamped with a clamping block 404, and the casing 6 can be fixed with the upper end cover 1.
When the air spring type shock absorber for the textile machinery is required to be used, firstly, a user can enable the upper end cover 1 with the fixture block 404 to correspond to the positioning pin 403 of the machine shell 6 and push the end cover 1 upwards, the end cover 1 and the positioning pin 403 can realize quick positioning between the end cover 1 and the machine shell 6, the machine shell 6 can push the fixture block 404 and the sliding block 401 to move outwards in the process that the end cover 1 drives the fixture block 404 to move, the limit position can be clamped between the fixture block 404 and the machine shell 6 by the elastic force of the spring 402, quick installation between the machine shell 6 and the integral shock absorber is realized, the user can squeeze the handle 405 inwards to realize the disassembly between the integral shock absorber and the machine shell 6 when in need of disassembly, the problem that the spring shock absorber in the prior art is inconvenient to be quickly installed and disassembled between the machine shell 6 is avoided, and meanwhile, the user can carry out air supplement at a plurality of air springs 306 through the air ports 203 and the air pipes 202 in the use process, the gas pressure in the inner space of the air spring 306 reaches a preset value, and then the air spring 306 plays a spring role by utilizing the compressibility of gas in the using process, so that the problems that the liquid compressibility of the liquid shock absorber in the prior art is small and the overall shaking performance of the spring shock absorber is large are solved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an air spring formula bumper shock absorber for textile machinery, includes end cover (1) and cushion (5), the equal rigid coupling in inboard of end cover (1) has cushion (5), its characterized in that: the inner side of the cushion block (5) is provided with a damping component (3);
the shock absorption assembly (3) comprises a flange ring (301), a waist ring (302), a bolt (303), a gasket (304), a sleeve (305), an air spring (306), a vertical rod (307) and a transverse plate (308);
from top to bottom the inboard of diaphragm (308) all links to each other with flange ring (301) screw thread through bolt (303), the outer wall below of bolt (303) is equipped with gasket (304), gasket (304) closely laminate with bolt (303) and diaphragm (308), the inboard joint of flange ring (301) has air spring (306), a plurality of waist rings (302) are installed to the outer wall of air spring (306), the internal clearance fit of sleeve (305) has montant (307), the outside of montant (307) and sleeve (305) is fixed continuous with upper and lower end cover (1) respectively.
2. An air spring type shock absorber for textile machinery according to claim 1, wherein: the left sleeve (305) and the right sleeve (307) are axially symmetrically distributed by taking the vertical center of the end cover (1) as a reference.
3. An air spring type shock absorber for textile machinery according to claim 1, wherein: a mounting component (4) is arranged inside the upper end of the upper end cover (1);
the mounting assembly (4) comprises a sliding block (401), a spring (402), a positioning pin (403), a clamping block (404) and a handle (405);
control slider (401) all slides the joint in the inside left and right sides of top end cover (1), the upper and lower both sides of slider (401) rigid coupling respectively has fixture block (404) and handle (405), the inboard of slider (401) is equipped with spring (402), the inside and outside both sides of spring (402) are fixed continuous with top end cover (1) and slider (401) respectively, locating pin (403) are located the inside center in top of top end cover (1).
4. An air spring type shock absorber for textile machinery according to claim 3, wherein: the outer wall of the handle (405) is sleeved with a rubber sleeve.
5. An air spring type shock absorber for textile machinery according to claim 1, wherein: an inflation assembly (2) is arranged at the lower end of the transverse plate (308) below;
the inflation assembly (2) comprises an elbow (201), an air pipe (202) and an air port (203);
the air port (203) is processed inside a lower end transverse plate (308), the lower end of the air port (203) is communicated with an air pipe (202) through an elbow (201), and the air port (203) is communicated with the inner space of an air spring (306).
6. An air spring type shock absorber for textile machinery according to claim 1, wherein: the upper end of the end cover (1) is provided with a shell (6), the lower end of the shell (6) is fixedly connected with a positioning pin (403), and the shell (6) is clamped with a clamping block (404).
CN202010509257.5A 2020-06-07 2020-06-07 Air spring type shock absorber for textile machinery Pending CN111637189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010509257.5A CN111637189A (en) 2020-06-07 2020-06-07 Air spring type shock absorber for textile machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010509257.5A CN111637189A (en) 2020-06-07 2020-06-07 Air spring type shock absorber for textile machinery

Publications (1)

Publication Number Publication Date
CN111637189A true CN111637189A (en) 2020-09-08

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CN202010509257.5A Pending CN111637189A (en) 2020-06-07 2020-06-07 Air spring type shock absorber for textile machinery

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145612A (en) * 2020-09-25 2020-12-29 南京书文网络科技有限公司 Display screen support that intelligent adjustment counter weight just prevented to empty
CN114352667A (en) * 2022-01-12 2022-04-15 镇江亿瑞特机电设备有限公司 Conveniently-installed air bag for large mechanical equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209087500U (en) * 2018-12-21 2019-07-09 大连迪奥电子有限公司 A kind of inductance coil
CN110143123A (en) * 2019-06-06 2019-08-20 南京理工自动化研究院有限公司 A kind of electric automobile power battery frame lifting device and elevating method
CN209310875U (en) * 2018-11-02 2019-08-27 乐昌市自来水有限公司 A kind of Hydraulic Projects installation water level detecting device structure
CN209569458U (en) * 2019-02-27 2019-11-01 江苏力源液压机械有限公司 A kind of gear pump being easily installed
CN110723760A (en) * 2018-07-16 2020-01-24 湖州市腾跃环保科技有限公司 Water treatment box body device with locking structure
CN210265641U (en) * 2019-04-30 2020-04-07 扬力集团股份有限公司 Air bag type damping device
CN210510797U (en) * 2019-07-10 2020-05-12 浙江扬帆新材料股份有限公司 Chemical machinery convenient to clean

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110723760A (en) * 2018-07-16 2020-01-24 湖州市腾跃环保科技有限公司 Water treatment box body device with locking structure
CN209310875U (en) * 2018-11-02 2019-08-27 乐昌市自来水有限公司 A kind of Hydraulic Projects installation water level detecting device structure
CN209087500U (en) * 2018-12-21 2019-07-09 大连迪奥电子有限公司 A kind of inductance coil
CN209569458U (en) * 2019-02-27 2019-11-01 江苏力源液压机械有限公司 A kind of gear pump being easily installed
CN210265641U (en) * 2019-04-30 2020-04-07 扬力集团股份有限公司 Air bag type damping device
CN110143123A (en) * 2019-06-06 2019-08-20 南京理工自动化研究院有限公司 A kind of electric automobile power battery frame lifting device and elevating method
CN210510797U (en) * 2019-07-10 2020-05-12 浙江扬帆新材料股份有限公司 Chemical machinery convenient to clean

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145612A (en) * 2020-09-25 2020-12-29 南京书文网络科技有限公司 Display screen support that intelligent adjustment counter weight just prevented to empty
CN112145612B (en) * 2020-09-25 2021-05-25 永康市小草精密机械有限公司 Display screen support that intelligent adjustment counter weight just prevented to empty
CN114352667A (en) * 2022-01-12 2022-04-15 镇江亿瑞特机电设备有限公司 Conveniently-installed air bag for large mechanical equipment

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Application publication date: 20200908