CN214191331U

CN214191331U - Improved tensioning device based on positive pressure air seal machinery

Info

Publication number: CN214191331U
Application number: CN202022870886.9U
Authority: CN
Inventors: 罗练荣; 杨智勇
Original assignee: Sichuan Zili Machinery Co ltd
Current assignee: Sichuan Zili Machinery Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-14
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses an improved generation overspeed device tensioner based on malleation airlock relates to overspeed device tensioner technical field. This improved generation overspeed device tensioner based on malleation airlock, including the main part, the adjustment tank has been seted up on the positive surface of main part, and the upper surface of main part inlays and is equipped with the regulation pole, and the lower extreme of adjusting the pole extends to the inside of adjustment tank, and the surface cover of adjusting the pole is equipped with the pivot. This improved generation overspeed device tensioner based on malleation airlock, two gears that will both ends fixed surface connects before and after the two rolling bearing of formula that will cut abreast, with the chain block, rotate the regulation pole, make backup pad rebound, the spring promotes the atress board, make pivot rebound, the tensioning chain, prevent the chain jump, start, pivot extrusion spring when stopping or the overload condition, play the cushioning effect, prevent that the impact force direct action is in the pivot, protection drive mechanism, reduce equipment failure rate, guarantee transmission normal operating, two sliding frames prevent the backup pad deflection, guarantee the regulating effect.

Description

Improved tensioning device based on positive pressure air seal machinery

Technical Field

The utility model relates to a overspeed device tensioner technical field specifically is an improved generation overspeed device tensioner based on malleation airlock.

Background

The positive pressure air seal machinery is widely applied to pneumatic transportation and pipe network pressure state unloading of industrial equipment such as rice milling, powder making, feed, machinery, chemical engineering, medicine, tobacco, metallurgy, cement, dust removal and the like, and for powdery particles and flakes in positive pressure and negative pressure states, the positive pressure air seal machinery drives parts to work through a chain wheel structure, so that the positive pressure air seal machinery becomes a common mechanical structure in life.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved generation overspeed device tensioner based on malleation airlock, the tensioning chain prevents to jump the chain, pivot extrusion spring when opening, stopping or the overload condition, plays the cushioning effect, prevents that the impact force from directly acting on in the pivot, protects drive mechanism, reduces equipment failure rate, guarantees transmission normal operating, through lever principle, makes the regulation pole rotate, convenient and fast, labour saving and time saving, accommodation process is simple swift.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an improved tensioning device based on a positive pressure air seal machinery comprises a main body, wherein an adjusting groove is formed in the front surface of the main body, an adjusting rod is embedded in the upper surface of the main body, the lower end of the adjusting rod extends into the adjusting groove, a rotating shaft is sleeved on the outer surface of the adjusting rod, a supporting plate is connected to the outer surface of the adjusting rod close to the lower side through threads, a spring is fixedly connected to the upper surface of the supporting plate, the inner wall surface of the spring is sleeved on the outer surface of the adjusting rod, a stress plate is fixedly connected to the upper end of the spring, the upper surface of the stress plate is fixedly connected to the lower surface of the rotating shaft, the inner wall surface of the stress plate is slidably sleeved on the outer surface of the adjusting rod, sliding grooves are formed in the inner wall surfaces of the left side and the right side of the adjusting groove, sliding frames are fixedly connected to the surfaces of the left side and the right side of the supporting plate, and one ends, far away from the adjusting rod, of the two sliding frames are respectively slidably embedded in the two sliding grooves, the outer surface of the front end of the rotating shaft is sleeved with a parallel-shouldered double-rolling bearing, and gears are fixedly connected to the outer surfaces of the front end and the rear end of the parallel-shouldered double-rolling bearing.

Furthermore, two the inside of sliding sash all is provided with the ball, and the one end of two balls is laminated with the inner wall of two spouts respectively mutually.

Furthermore, a clamping groove is formed in the bottom surface of the inner wall of the adjusting groove, a bearing is sleeved on the outer surface of the lower end of the adjusting rod, and the outer surface of the bearing is embedded in the clamping groove.

Furthermore, the outer surface of the adjusting rod is sleeved with a lubricating ring, and the lower surface of the lubricating ring is fixedly connected to the upper surface of the rotating shaft.

Furthermore, the upper surface of the adjusting rod is provided with a hexagonal adjusting hole.

Furthermore, the upper surface of the adjusting rod and the upper surface of the main body are positioned on the same horizontal straight line.

The utility model provides an improved generation overspeed device tensioner based on malleation airlock. The method has the following beneficial effects:

(1) this improved generation overspeed device tensioner based on malleation airlock, two gears that will both ends fixed surface connects before and after the two rolling bearing of formula that will go side by side, with the chain block, rotate the regulation pole, make backup pad rebound, the spring promotes the atress board, make pivot rebound, the tensioning chain, prevent the chain jump, start, pivot extrusion spring when stopping or the overload condition, play the cushioning effect, prevent that the impact force direct action is in the pivot, protection drive mechanism, reduce equipment failure rate, guarantee transmission normal operating, two sliding frames prevent the backup pad deflection, guarantee to adjust the effect.

(2) This improved generation overspeed device tensioner based on malleation airlock, the lubrication circle reciprocates along adjusting the pole under the effect of pivot, paints lubricating oil at the surface of adjusting the pole, reduces the frictional force between adjusting the pole and the pivot, ensures the life of spare part, with the one end embedding hexagonal regulation hole of hexagonal spanner, rotates hexagonal spanner, through lever principle, makes to adjust the pole and rotates convenient and fast, labour saving and time saving, accommodation process is simple swift.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the slide frame of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a main body; 2. a hexagonal adjusting hole; 3. adjusting a rod; 4. an adjustment groove; 5. a lubricating ring; 6. a rotating shaft; 7. a stress plate; 8. a ball bearing; 9. a card slot; 10. a bearing; 11. a support plate; 12. a sliding frame; 13. a spring; 14. a chute; 15. a gear; 16. and a double rolling bearing in a side-by-side manner.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an improved tensioning device based on a positive pressure air seal machinery comprises a main body 1, wherein an adjusting groove 4 is formed in the front surface of the main body 1, an adjusting rod 3 is embedded in the upper surface of the main body 1, the lower end of the adjusting rod 3 extends into the adjusting groove 4, a rotating shaft 6 is sleeved on the outer surface of the adjusting rod 3, a supporting plate 11 is connected to the outer surface, close to the lower side, of the adjusting rod 3 in a threaded manner, a spring 13 is fixedly connected to the upper surface of the supporting plate 11, the inner wall surface of the spring 13 is sleeved on the outer surface of the adjusting rod 3, a stress plate 7 is fixedly connected to the upper end of the spring 13, the upper surface of the stress plate 7 is fixedly connected to the lower surface of the rotating shaft 6, the inner wall surface of the stress plate 7 is slidably sleeved on the outer surface of the adjusting rod 3, sliding grooves 14 are formed in the inner wall surfaces of the left side and the right side of the adjusting groove 4, sliding frames 12 are fixedly connected to the surfaces of the left side and the right side of the supporting plate 11, one ends, far away from the adjusting rod 3, are respectively slidably embedded in the two sliding grooves 14, the outer surface of the front end of the rotating shaft 6 is sleeved with a parallel-shouldered double-rolling bearing 16, and the outer surfaces of the front end and the rear end of the parallel-shouldered double-rolling bearing 16 are fixedly connected with gears 15.

In this embodiment: two gears 15 that will both ends external fixed connection around the two antifriction bearing 16 of formula of closing a shoulder, with the chain block, rotate and adjust pole 3, make backup pad 11 rebound, spring 13 promotes atress board 7, make pivot 6 rebound, the tensioning chain, prevent the jump chain, start, pivot 6 extrusion spring 13 when stopping or the overload condition, play the cushioning effect, prevent that the impact force direct action is on pivot 6, protect drive mechanism, reduce equipment failure rate, guarantee transmission normal operating, two sliding frame 12 prevent backup pad 11 deflection, guarantee the regulating effect.

Specifically, the inside of two sliding frames 12 all is provided with ball 8, and the one end of two ball 8 is laminated with the inner wall of two spout 14 respectively mutually.

In this embodiment: the two balls 8 rotate inside the slide frame 12, reducing the friction between the slide frame 12 and the slide groove 14.

Specifically, the inner wall bottom surface of the adjusting groove 4 is provided with a clamping groove 9, the lower end outer surface of the adjusting rod 3 is sleeved with a bearing 10, and the outer surface of the bearing 10 is embedded in the clamping groove 9.

In this embodiment: when adjusting pole 3 atress, bearing 10 will adjust pole 3 through draw-in groove 9 and fix, prevent to adjust pole 3 and rock, the structural strength of pole 3 is adjusted in the guarantee.

Specifically, the outer surface of the adjusting rod 3 is sleeved with a lubricating ring 5, and the lower surface of the lubricating ring 5 is fixedly connected to the upper surface of the rotating shaft 6.

In this embodiment: the lubricating ring 5 moves up and down along the adjusting rod 3 under the action of the rotating shaft 6, lubricating oil is coated on the outer surface of the adjusting rod 3, the friction force between the adjusting rod 3 and the rotating shaft 6 is reduced, and the service life of parts is guaranteed.

Specifically, the upper surface of the adjusting rod 3 is provided with a hexagonal adjusting hole 2.

In this embodiment: with hexagonal spanner's one end embedding hexagonal regulation hole 2, rotate hexagonal spanner, through lever principle, make adjust pole 3 and rotate convenient and fast, labour saving and time saving.

Specifically, the upper surface of the adjusting rod 3 and the upper surface of the main body 1 are located on the same horizontal straight line.

In this embodiment: the upper surface of the adjusting rod 3 and the upper surface of the main body 1 are located on the same horizontal straight line, so that the protrusion is reduced, the scratch and injury of workers during use are avoided, and the safety is higher.

When the device is used, the two gears 15 fixedly connected with the outer surfaces of the front end and the rear end of the side-by-side double rolling bearing 16 are clamped with the chain, the adjusting rod 3 is rotated, the supporting plate 11 is enabled to move upwards, the spring 13 pushes the stress plate 7, the rotating shaft 6 is enabled to move upwards, the chain is tensioned, the chain is prevented from jumping, the rotating shaft 6 extrudes the spring 13 in the starting, stopping or overload condition, the buffering effect is achieved, the impact force is prevented from directly acting on the rotating shaft 6, the transmission mechanism is protected, the failure rate of the device is reduced, the normal operation of the transmission is ensured, the supporting plate 11 is prevented from deflecting by the two sliding frames 12, the adjusting effect is ensured, the two balls 8 rotate in the sliding frames 12, the friction force between the sliding frames 12 and the sliding grooves 14 is reduced, when the adjusting rod 3 is stressed, the adjusting rod 3 is fixed by the bearing 10 through the clamping groove 9, the adjusting rod 3 is prevented from shaking, the structural strength of the adjusting rod 3 is ensured, the lubricating ring 5 moves up and down along the adjusting rod 3 under the action of the rotating shaft 6, lubricating oil is smeared on the outer surface of the adjusting rod 3, the friction between the adjusting rod 3 and the rotating shaft 6 is reduced, the service life of parts is guaranteed, one end of a hexagonal wrench is embedded into the hexagonal adjusting hole 2, the hexagonal wrench is rotated, the adjusting rod 3 is rotated through a lever principle, the operation is convenient and rapid, time and labor are saved, the upper surface of the adjusting rod 3 and the upper surface of the main body 1 are located on the same horizontal straight line, the protrusion is reduced, the injury caused by rubbing when a worker uses the adjusting rod is avoided, the safety is higher, and the adjusting process is simple and rapid.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. An improved tensioning device based on positive pressure air seal machinery comprises a main body (1), and is characterized in that: the adjusting groove (4) is formed in the front surface of the main body (1), the adjusting rod (3) is embedded in the upper surface of the main body (1), the lower end of the adjusting rod (3) extends to the inside of the adjusting groove (4), the rotating shaft (6) is sleeved on the outer surface of the adjusting rod (3), the supporting plate (11) is connected to the outer surface of the adjusting rod (3) close to the lower portion through threads, the spring (13) is fixedly connected to the upper surface of the supporting plate (11), the outer surface of the adjusting rod (3) is sleeved with the inner wall surface of the spring (13), the stress plate (7) is fixedly connected to the upper end of the spring (13), the stress plate (7) is fixedly connected to the lower surface of the rotating shaft (6), the inner wall surface of the stress plate (7) is slidably sleeved on the outer surface of the adjusting rod (3), and sliding grooves (14) are formed in the inner wall surfaces of the left side and the right side of the adjusting groove (4), the equal fixedly connected with in both sides surface slides frame (12), two about backup pad (11) slide frame (12) keep away from the one end of adjusting pole (3) and slide respectively and inlay the inside of locating two spout (14), the front end surface cover of pivot (6) is equipped with and shoulders formula two antifriction bearing (16), both ends surface equal fixedly connected with gear (15) around and shoulders formula two antifriction bearing (16).

2. The improved tensioning device based on the positive pressure air seal machinery of claim 1, wherein: two the inside of sliding frame (12) all is provided with ball (8), and the one end of two ball (8) is laminated with the inner wall of two spout (14) respectively mutually.

3. The improved tensioning device based on the positive pressure air seal machinery of claim 1, wherein: draw-in groove (9) have been seted up to the inner wall bottom surface of adjustment tank (4), the lower extreme surface cover of adjusting pole (3) is equipped with bearing (10), the surface of bearing (10) inlays the inside of locating draw-in groove (9).

4. The improved tensioning device based on the positive pressure air seal machinery of claim 3, wherein: the outer surface of the adjusting rod (3) is sleeved with a lubricating ring (5), and the lower surface of the lubricating ring (5) is fixedly connected to the upper surface of the rotating shaft (6).

5. The improved tensioning device based on the positive pressure air seal machinery of claim 4 is characterized in that: the upper surface of the adjusting rod (3) is provided with a hexagonal adjusting hole (2).

6. The improved tensioning device based on the positive pressure air seal machinery of claim 1, wherein: the upper surface of the adjusting rod (3) and the upper surface of the main body (1) are positioned on the same horizontal straight line.