CN217784425U

CN217784425U - Constant force support

Info

Publication number: CN217784425U
Application number: CN202221343891.7U
Authority: CN
Inventors: 张斌
Original assignee: Lisega Pipe Support Technology Shanghai Co ltd
Current assignee: Lisega Pipe Support Technology Shanghai Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-11
Anticipated expiration: 2032-05-20

Abstract

The application discloses constant force support relates to the technical field that the pipeline supported, and it includes the cylinder body, the inner chamber upper end of cylinder body is provided with the constant force spring, the bottom fixedly connected with elastic damping buffer of constant force spring, the bottom of elastic damping buffer is connected with the connecting rod, the bottom of connecting rod is provided with the pipe clamp, the activity groove that is used for supplying the connecting rod to pass is offered to the bottom of cylinder body, there is the clearance in the inner wall of connecting rod and activity groove, the inner chamber of cylinder body is provided with two piece at least extension spring that are used for buffering the connecting rod, extension spring's wherein one end links to each other with the inner wall of cylinder body, extension spring's the other end links to each other with the connecting rod. This application pipeline is receiving the horizontal exogenic action, and the connecting rod can carry out the adaptability swing in the inside of activity groove, and extension spring can cushion the connecting rod to weaken the shearing action of pipeline and constant force support, and then can effectively promote the life of constant force support.

Description

Constant force support

Technical Field

The application relates to the technical field of pipeline support, in particular to a constant force support.

Background

The constant force support is designed according to a moment balance principle, under the allowable load displacement, the load moment and the spring moment are always kept in balance, and when displacement occurs to pipelines and equipment supported by the constant force support, constant supporting force can be provided, so that additional stress cannot be brought to the pipeline equipment.

Chinese utility model patent of publication number CN206206781U in the correlation technique discloses a constant force gallows, which comprises a cylinder body, the upper end fixed mounting of cylinder body has the cylinder cap, the upper end of cylinder cap is equipped with fixing device, the inner chamber upper end of cylinder body is equipped with the constant force spring, the lower extreme fixedly connected with elastic damping buffer of constant force spring, the lower extreme of elastic damping buffer is connected with the connecting rod through the connecting piece, the bottom that the lower extreme of connecting rod runs through the cylinder body is connected with the pipe clamp, the connecting rod is equipped with the rubber pad with the pipe clamp junction, the outside of cylinder body and cylinder cap all is equipped with the anticorrosive dope layer. During the use, the pipeline is worn to establish on the pipe clamp, and when the pipeline received vertical external force, under constant force spring and elastic damping buffer combined action, can consume external force to play the effect of maintaining the constant force.

In view of the above-mentioned related art, the inventor believes that when a pipe is subjected to a lateral external force, the pipe and the pipe clamp are subjected to a shearing action, and the constant-force bracket is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to promote the life of constant force support, this application provides a constant force support.

The application provides a constant force support adopts following technical scheme:

the utility model provides a constant force support, includes the cylinder body, the inner chamber upper end of cylinder body is provided with the constant force spring, the bottom fixedly connected with elastic damping buffer of constant force spring, the bottom of elastic damping buffer is connected with the connecting rod, the bottom of connecting rod is provided with the pipeline and presss from both sides, the activity groove that is used for supplying the connecting rod to pass is offered to the bottom of cylinder body, there is the clearance in the inner wall of connecting rod and activity groove, the inner chamber of cylinder body is provided with two piece at least extension spring that are used for carrying out the buffering to the connecting rod, extension spring's wherein one end links to each other with the inner wall of cylinder body, extension spring's the other end links to each other with the connecting rod.

Through adopting above-mentioned technical scheme, when the pipeline received horizontal exogenic action, the connecting rod can carry out the adaptability swing in the inside of activity groove, and extension spring cushions the connecting rod simultaneously, can consume external force to weaken the pipeline and the shearing effect of constant force support, and then can effectively promote the life of constant force support.

Optionally, a sliding ring is slidably sleeved outside the connecting rod, and one end of the extension spring, which is close to the connecting rod, is connected with the sliding ring.

Through adopting above-mentioned technical scheme, when the connecting rod swung, under extension spring's drive, the slip ring can take place relative slip with the connecting rod to the exogenic power is consumed.

Optionally, a friction collar is sleeved outside the connecting rod, and the friction collar is in sliding fit with the sliding ring.

Through adopting above-mentioned technical scheme, the friction between sliding ring and the connecting rod can be increased to the friction lantern ring to can promote the energy dissipation effect of sliding ring.

Optionally, a ring groove for the friction collar to be inserted into is formed in the side wall of the connecting rod.

Through adopting above-mentioned technical scheme, in with the friction lantern ring embedding annular, can take place the in-process that relative slip takes place at the friction lantern ring with the sliding ring, prevent the friction lantern ring and connecting rod to take place to slide to promote the cooperation effect between the friction lantern ring and the sliding ring.

Optionally, the inner walls of the slip ring and the cylinder body are provided with hooks matched with the extension spring.

Through adopting above-mentioned technical scheme, extension spring's both ends are passed through the couple and are corresponded the connection on sliding ring and cylinder body, can conveniently carry out the dismouting to extension spring to the convenience is maintained the constant force support.

Optionally, four extension springs are arranged, and the four extension springs are uniformly distributed along the circumferential direction of the slip ring.

Through adopting above-mentioned technical scheme, set up four extension springs and distribute around the sliding ring, can make the sliding ring more stable in the use.

Optionally, a protective lantern ring is fixedly arranged on the inner wall of the movable groove.

Through adopting above-mentioned technical scheme, when the connecting rod swung, the protection lantern ring can prevent that the connecting rod from taking place the rigidity collision with the inner wall of annular to promote the life of constant force support.

Optionally, a limiting ring is fixedly arranged on the side wall of the connecting rod close to the top end.

Through adopting above-mentioned technical scheme, the spacing ring can prevent that the sliding ring from sliding away from the connecting rod to promote the stability of constant force support in the use.

In summary, the present application includes at least one of the following benefits:

1. through the arrangement of the extension spring, when the pipeline is acted by a transverse external force, the connecting rod can swing adaptively in the movable groove, and the extension spring can buffer the connecting rod, so that the shearing effect of the pipeline and the constant-force support is weakened, and the service life of the constant-force support can be effectively prolonged;

2. through the setting of sliding ring and friction sleeve ring, when the connecting rod took place to swing, the sliding ring took place relative slip with the friction sleeve ring, can consume external force to promote the buffering effect of constant force support.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic sectional view showing the extension spring in the present embodiment.

Description of reference numerals: 1. a cylinder body; 11. a movable groove; 2. a constant force spring; 3. an elastic damping buffer; 4. a connecting rod; 41. a ring groove; 42. a limiting ring; 5. a pipe clamp; 6. an extension spring; 61. hooking; 7. a slip ring; 8. a friction collar; 9. a shield collar.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a constant force support. Referring to fig. 1 and 2, the constant force support includes a cylinder body 1, a constant force spring 2 is fixedly arranged at the upper end of an inner cavity of the cylinder body 1, an elastic damping buffer 3 is fixedly connected to the bottom end of the constant force spring 2, and a connecting rod 4 is fixedly connected to the bottom end of the elastic damping buffer 3.

The bottom of cylinder body 1 runs through along vertical direction and has seted up the cross-section for circular shape activity groove 11, and the diameter of activity groove 11 is greater than the diameter of connecting rod 4, and connecting rod 4 passes activity groove 11 back and extends to the bottom of cylinder body 1. The bottom of connecting rod 4 is provided with pipe clamp 5, and pipe clamp 5 can be through welded mode and connecting rod 4 fixed connection. When the pipeline is used, the pipeline is installed and fixed on the pipeline clamp 5, and when the pipeline is subjected to transverse external force, the connecting rod 4 can swing adaptively inside the movable groove 11.

The outside slip cap of connecting rod 4 is equipped with wholly is the annular sliding ring 7 of circle, and the lateral wall integrated into one piece that connecting rod 4 is close to the top has spacing ring 42 to can prevent that sliding ring 7 from sliding away from connecting rod 4. The inner cavity of the cylinder body 1 is provided with at least two extension springs 6, in the embodiment, the number of the extension springs 6 is four, and the four extension springs 6 are uniformly distributed along the circumferential direction of the slip ring 7; in the natural state, the tension spring 6 is in a stretched state and can drive the connecting rod 4 to move to the middle position of the movable slot 11.

The inner side wall of the cylinder body 1 and the outer side wall of the sliding ring 7 are fixedly welded with hooks 61, one end of the extension spring 6 is fixedly connected to the hook 61 on the inner wall of the cylinder body 1, and the other end of the extension spring is fixedly connected to the hook 61 of the sliding ring 7. When the connecting rod 4 swings in the inner part of the movable groove 11, the extension spring 6 can buffer the connecting rod 4, so that the shearing effect of the pipeline and the constant-force bracket can be weakened.

The outside cover of connecting rod 4 is equipped with the friction lantern ring 8, and friction lantern ring 8 and sliding ring 7 sliding fit. In the present embodiment, the friction collar 8 has a cylindrical shape as a whole, and the friction collar 8 is made of an elastic rubber material. A ring groove 41 is formed in the side wall of the connecting rod 4 along the circumferential direction, and the length of the ring groove 41 is the same as that of the friction lantern ring 8; when the friction collar 8 is completely inserted into the annular groove 41, the outer side wall of the friction collar 8 is flush with the outer side wall of the connecting rod 4, so that the slip ring 7 can smoothly slide in the length direction of the friction collar 8.

A protective lantern ring 9 is fixedly arranged on the inner wall of the movable groove 11, in the embodiment, the protective lantern ring 9 is in a cylindrical shape, and the protective lantern ring 9 is made of elastic rubber material; the protection lantern ring 9 can be fixed on the inner wall of the movable groove 11 through glue bonding, so that in the swinging process of the connecting rod 4, the connecting rod 4 is prevented from rigidly colliding with the inner wall of the movable groove 11, and the protection effect is achieved.

The implementation principle of the constant force support in the embodiment of the application is as follows:

the pipeline is installed and fixed on the pipeline clamp 5, and when the pipeline is subjected to the action of transverse external force, the connecting rod 4 can swing in the movable groove 11 in an adaptive manner; in the swinging process of the connecting rod 4, the extension spring 6 can buffer the connecting rod 4, so that the external force is consumed, and the connecting rod 4 gradually tends to be stable. Meanwhile, the connecting rod 4 can slide relative to the friction sleeve ring 8 in the swinging process, so that external force is consumed, and the stability of the constant-force support in the using process can be improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a constant force support, includes cylinder body (1), the inner chamber upper end of cylinder body (1) is provided with constant force spring (2), the bottom fixedly connected with elastic damping buffer (3) of constant force spring (2), the bottom of elastic damping buffer (3) is connected with connecting rod (4), the bottom of connecting rod (4) is provided with pipe clamp (5), its characterized in that: the bottom of cylinder body (1) is seted up and is used for supplying movable groove (11) that connecting rod (4) passed, there is the clearance connecting rod (4) and the inner wall in movable groove (11), the inner chamber of cylinder body (1) is provided with two piece at least and is used for carrying out extension spring (6) that cushion connecting rod (4), wherein one end of extension spring (6) links to each other with the inner wall of cylinder body (1), the other end of extension spring (6) links to each other with connecting rod (4).

2. A constant force stent as defined in claim 1, wherein: the outer sliding sleeve of the connecting rod (4) is provided with a sliding ring (7), and one end, close to the connecting rod (4), of the extension spring (6) is connected with the sliding ring (7).

3. A constant force stent as defined in claim 2, wherein: the outside cover of connecting rod (4) is equipped with friction lantern ring (8), friction lantern ring (8) and sliding ring (7) sliding fit.

4. A constant force stent as defined in claim 3, wherein: the side wall of the connecting rod (4) is provided with a ring groove (41) for clamping the friction lantern ring (8).

5. A constant force stent as defined in claim 2, wherein: and hooks (61) matched with the extension springs (6) are arranged on the inner walls of the sliding ring (7) and the cylinder body (1).

6. A constant force stent as defined in claim 2, wherein: four extension springs (6) are arranged, and the four extension springs (6) are uniformly distributed along the circumferential direction of the slip ring (7).

7. A constant force stent as defined in claim 1, wherein: and a protective lantern ring (9) is fixedly arranged on the inner wall of the movable groove (11).

8. A constant force stent as defined in claim 2, wherein: and a limiting ring (42) is fixedly arranged on the side wall of the connecting rod (4) close to the top end.