CN213575335U

CN213575335U - Long service life's constant force spring

Info

Publication number: CN213575335U
Application number: CN202022619318.1U
Authority: CN
Inventors: 张怀智
Original assignee: Suzhou Yishenghong Precision Machinery Co ltd
Current assignee: Suzhou Yishenghong Precision Machinery Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-29
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a constant force spring with long service life, which comprises a support and hanger frame, wherein the top of the support and hanger frame is provided with a buffer structure a for first buffering, the lower end of the buffer structure a is provided with a buffer structure b for second buffering, the lower end of the buffer structure b is provided with a supporting structure for supporting acting force, the lower end of the supporting structure is provided with a pressure applying structure for applying pressure, and the bottom of the support and hanger frame is provided with a hoisting structure for fixing load; the utility model discloses a set up constant force spring an, constant force spring b, constant force spring c supports jointly, make the jib carry out the constant force to the pipeline and support, through activity pillar an downstream, drive the pressure piece and push down, thereby utilize lever principle to make it promote fly leaf an, fly leaf an promotes activity pillar b again, thereby the constant force spring an and the constant force spring b of top extrude the buffering, make the impact force of pipeline when hoist and mount can be by effectual buffering, avoid the pipeline to damage because of the impact force.

Description

Long service life's constant force spring

Technical Field

The utility model relates to an enterprise's production and processing equipment technical field specifically is a long service life's constant force spring.

Background

The constant force spring is a special extension spring, which is composed of spiral metal sheets, the inner sides of the metal sheets are bent, so that each circle of metal sheets is tightly wound on one circle of metal sheets inside the metal sheets, when the metal sheets are stretched and twisted, the internal stress resists the load force, the constant force spring is completely the same as the common extension spring, but the coefficient is close to constant, and the constant force spring is suitable for occasions with large stretching amount and no load increase.

The spring support and hanger is designed according to the moment balance principle, and the load moment and the spring moment are always kept balanced within a specified load displacement range. Therefore, when the pipeline and the equipment supported by the constant-force suspension crane are displaced, constant bearing force can be obtained, additional stress cannot be brought to the pipeline and the equipment, when the pipeline is suspended, the conventional constant-force spring support and hanger mainly adopts a single spring for supporting, when the constant-force spring support and hanger is used for a long time, the spring load is large, the elasticity of the spring is easy to reduce, and the using effect of the constant-force spring support and hanger is poor, so that the constant-force spring with long service life is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's constant force spring to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the constant force spring with the long service life comprises a support hanger, wherein a buffer structure a for performing first buffering is arranged at the top of the support hanger, a buffer structure b for performing second buffering is arranged at the lower end of the buffer structure a, a supporting structure for supporting acting force is arranged at the lower end of the buffer structure b, a pressure applying structure for applying pressure is arranged at the lower end of the supporting structure, and a hoisting structure for fixing a load is arranged at the bottom of the support hanger.

Preferably, buffer structure a includes buffer box a, buffer box a's inside is provided with constant force spring a, constant force spring a's quantity is provided with two sets ofly, and is two sets ofly the equal fixedly connected with buffer board a of constant force spring a's lower extreme, the equal fixedly connected with buffering post of buffer board a's lower extreme, the buffering post runs through the setting in buffer box a's bottom, has the buffer board through setting up two sets of constant force spring connection, cushions the stress that produces.

Preferably, buffer structure b includes buffer box b, buffer box b quantity is provided with two sets ofly, and is two sets of buffer box b's top is provided with buffer board b, and is two sets of buffer board b's upper end and buffering post fixed connection are two sets of buffer board b's lower extreme fixedly connected with constant force spring b, the one end fixedly connected with buffer board c of buffer board b is kept away from to constant force spring b, has the buffer board through setting up two sets of constant force spring connection, cushions the stress that produces.

Preferably, the supporting structure comprises supporting box bodies, two groups of supporting box bodies are arranged, movable pillars a are arranged in each of the two groups of supporting box bodies, the lower ends of the movable pillars a are fixedly connected with pressure blocks, the lower ends of the pressure blocks are provided with movable plates a, bearings a are arranged in the movable plates a in the middle, the movable plates a move up and down through the bearings a, movable pillars b are arranged at the upper ends of the movable plates a far away from the pressure blocks, movable plates b are fixedly connected to the movable pillars b far away from the movable pillars a, bearings b are arranged in the movable plates b in the middle, the two groups of supporting box bodies are distributed in mirror symmetry with respect to a central vertical line of the supporting and hanging frame, the movable pillars a move downwards to drive the pressure blocks to press downwards, so that the movable plates a are pushed by the lever principle, and the movable plates a push the, thereby the constant force spring a and the constant force spring b of top extrude the buffering for the impact force of pipeline when hoist and mount can be by effectual buffering, avoids the pipeline to damage because of the impact force.

Preferably, the structure of exerting pressure includes the work box, the quantity of work box is provided with two sets ofly, and is two sets of the inside fixedly connected with backup pad of work box, the upper end and the movable support post a fixed connection of backup pad, the lower extreme fixedly connected with sill bar of backup pad, the surface of sill bar is provided with constant force spring c, and through setting up two sets of work boxes, inside all is provided with the sill bar, can cushion the impulsive force by the below object.

Preferably, the hoisting structure comprises a circular truncated cone, the upper end of the circular truncated cone is connected with a bottom rod in a penetrating mode, and the lower end of the circular truncated cone is fixedly connected with a lifting hook to fix an object.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up constant force spring an, constant force spring b, constant force spring c supports jointly, make the jib carry out the constant force to the pipeline and support, through activity pillar an downstream, drive the pressure piece and push down, thereby utilize lever principle to make it promote fly leaf an, fly leaf an promotes activity pillar b again, thereby the constant force spring an and the constant force spring b of top extrude the buffering, make the impact force of pipeline when hoist and mount can be by effectual buffering, avoid the pipeline to damage because of the impact force.

Drawings

FIG. 1 is an overall appearance diagram of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. a support and hanger frame; 2. a buffer structure a; 21. a buffer box body a; 22. a constant force spring a; 23. a buffer plate a; 24. a buffer column; 3. a buffer structure b; 31. a buffer box body b; 32. a buffer plate b; 33. a constant force spring b; 34. a buffer plate c; 4. a support structure; 41. supporting the box body; 42. a movable pillar a; 43. a pressure block; 44. a movable plate a; 45. a bearing a; 46. a movable support column b; 47. a movable plate b; 48. a bearing b; 5. a pressure applying structure; 51. a working box body; 52. a support plate; 53. a bottom bar; 54. a constant force spring c; 6. hoisting the structure; 61. a circular truncated cone; 62. and (4) a lifting hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a constant force spring with a long service life is shown, which includes a support hanger 1, a buffer structure a2 for performing a first buffer is disposed at the top of the support hanger 1, a buffer structure b3 for performing a second buffer is disposed at the lower end of the buffer structure a2, a support structure 4 for supporting an acting force is disposed at the lower end of the buffer structure b3, a pressure applying structure 5 for applying a pressure is disposed at the lower end of the support structure 4, and a hoisting structure 6 for fixing a load is disposed at the bottom of the support hanger 1.

The buffer structure a2 comprises a buffer box body a21, constant force springs a22 are arranged inside the buffer box body a21, two groups of constant force springs a22 are arranged, the lower ends of two groups of constant force springs a22 are fixedly connected with buffer plates a23, the lower ends of 23 buffer plates a23 are fixedly connected with buffer columns 24, the buffer columns 24 penetrate through the bottom of the buffer box body a21, the buffer structure b3 comprises a buffer box body b31, two groups of buffer box bodies b31 are arranged, the top of 31 is provided with buffer plates b32, the upper ends of two groups of buffer plates b32 are fixedly connected with the buffer columns 24, the lower ends of two groups of buffer plates b32 are fixedly connected with constant force springs b33, one end of the constant force springs b33 far away from the buffer plates b32 is fixedly connected with a buffer plate c34, the support structure 4 comprises a support box body 41, two groups of support box bodies 41 are arranged, movable support posts a42 are arranged inside the support box body 41, and a pressure block 42 3 is fixedly connected with the lower, the lower end of the pressure block 43 is provided with a movable plate a44, the interior of the movable plate a44 is centrally provided with a bearing a45, the movable plate a44 moves up and down through a bearing a45, the upper end of one side of the movable plate a44 away from the pressure block 43 is provided with a movable strut b46, one side of the movable strut b46 away from the movable strut a42 is fixedly connected with a movable plate b47, the interior of the movable plate b47 is centrally provided with a bearing b48, the two groups of supporting boxes 41 are distributed in mirror symmetry with respect to the central vertical line of the support and hanger 1, the pressure applying structure 5 comprises working boxes 51, the number of the working boxes 51 is two groups, the interior of the two groups of working boxes 51 is fixedly connected with supporting plates 52, the upper ends of the supporting plates 52 are fixedly connected with the movable strut 63a 62, the lower ends of the supporting plates 52 are fixedly connected with bottom rods 53, the outer surfaces, the lower end of the circular truncated cone 61 is fixedly connected with a lifting hook 62.

In the scheme: when the lifting device is used, an object is lifted at the lower end of the lifting hook 62, when the lifting device is used for lifting, the round table 61 is fixedly connected with the upper end of the lifting hook 62, the round table 61 enables the bottom rod 53 to move downwards through gravity, then the constant force spring c54 is subjected to pressure folding to perform a first buffering effect, the supporting plate 52 is driven to move downwards to enable the movable support a42 connected with the upper end of the supporting plate to move downwards, the pressure block 43 is driven to press downwards, the movable plate a44 is pushed by the aid of the lever principle, the movable plate a44 pushes the movable support b46, the constant force spring a22 and the constant force spring b33 above the supporting plate are squeezed and buffered, impact force of a pipeline during lifting can be effectively buffered, and the.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a long service life's constant force spring, includes a gallows (1), its characterized in that: the top of the support and hanger frame (1) is provided with a buffer structure a (2) for performing first buffering, the lower end of the buffer structure a (2) is provided with a buffer structure b (3) for performing second buffering, the lower end of the buffer structure b (3) is provided with a supporting structure (4) for supporting acting force, the lower end of the supporting structure (4) is provided with a pressure applying structure (5) for applying pressure, and the bottom of the support and hanger frame (1) is provided with a hoisting structure (6) for fixing load.

2. A long-life constant force spring as claimed in claim 1, wherein: buffer structure a (2) are including buffer box a (21), the inside of buffer box a (21) is provided with constant force spring a (22), the quantity of constant force spring a (22) is provided with two sets ofly, two sets of the equal fixedly connected with buffer board a (23) of lower extreme of constant force spring a (22), the equal fixedly connected with buffering post (24) of lower extreme of buffer board a (23), buffering post (24) run through the bottom that sets up at buffer box a (21).

3. A long-life constant force spring as claimed in claim 1, wherein: buffer structure b (3) are including buffer box b (31), buffer box b (31) quantity is provided with two sets ofly, and is two sets of the top of buffer box b (31) is provided with buffer board b (32), and is two sets of the upper end and the buffering post (24) fixed connection of buffer board b (32) are two sets of the lower extreme fixedly connected with constant force spring b (33) of buffer board b (32), the one end fixedly connected with buffer board c (34) of buffer board b (32) are kept away from to constant force spring b (33).

4. A long-life constant force spring as claimed in claim 1, wherein: the supporting structure (4) comprises two groups of supporting box bodies (41), movable supporting columns a (42) are arranged in the two groups of supporting box bodies (41), the lower end of the movable support column a (42) is fixedly connected with a pressure block (43), the lower end of the pressure block (43) is provided with a movable plate a (44), a bearing a (45) is arranged in the middle of the inner part of the movable plate a (44), the movable plate a (44) moves up and down through the bearing a (45), the upper end of one side of the movable plate a (44) far away from the pressure block (43) is provided with a movable support column b (46), a movable plate b (47) is fixedly connected to one side of the movable support column b (46) far away from the movable support column a (42), a bearing b (48) is arranged in the movable plate b (47) in the center, and the two groups of supporting box bodies (41) are distributed in a mirror symmetry mode about the central vertical line of the supporting and hanging frame (1).

5. A long-life constant force spring as claimed in claim 1, wherein: structure (5) of exerting pressure includes work box (51), the quantity of work box (51) is provided with two sets ofly, two sets of work box (51) inside fixedly connected with backup pad (52), the upper end and the activity pillar a (42) fixed connection of backup pad (52), the lower extreme fixedly connected with sill bar (53) of backup pad (52), the surface of sill bar (53) is provided with constant force spring c (54).

6. A long-life constant force spring as claimed in claim 1, wherein: hoisting structure (6) include round platform (61), the upper end through connection of round platform (61) has sill bar (53), the lower extreme fixedly connected with lifting hook (62) of round platform (61).