CN210651268U - Hollow shaft of overhang roll machine - Google Patents

Abstract

The utility model relates to a hollow shaft of overhang roll machine, it includes the frame and sets up the hollow shaft in the frame, and the hollow shaft both ends set up the wearing layer, and the wearing layer includes the inside groove, joint wear pad on the inside groove. When the surface of the contact section of the hollow shaft and the retainer ring is seriously abraded, only the abraded surface needs to be repaired.

Description

Hollow shaft of overhang roll machine

Technical Field

The utility model belongs to the technical field of the technique of cement tubulation and specifically relates to a hollow shaft of overhang roll machine is related to.

Background

The main parts of the overhang roll machine are a suspension roll shaft and a pipe die, the reinforced concrete pipe is formed by utilizing the pressure and the centrifugal force generated by the rotation of the pipe die and the suspension roll shaft, the pipe die of the existing concrete or reinforced concrete drain pipe is erected on the hollow shaft of the overhang roll machine, and the hollow shaft rotating at a high speed drives the pipe die to rotate for manufacturing the pipe.

The hollow shaft is difficult to assemble, disassemble and maintain and has higher maintenance cost and longer repair period, thereby influencing production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hollow shaft of overhang roll machine, when hollow shaft and retaining ring contact segment surface wearing and tearing were serious, only need maintain the surface of wearing and tearing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the hollow shaft of the overhang roll machine comprises a rack and the hollow shaft arranged on the rack, wherein the two ends of the hollow shaft are provided with wear-resistant layers, each wear-resistant layer comprises an inner groove, and a wear-resistant sheet is clamped on the inner grooves.

Through adopting above-mentioned technical scheme, the wear pad joint is on the inside groove, and the wear pad contacts with the retaining ring on the pipe die, and the wear pad wearing and tearing are serious back, can directly pull down from the inside groove, and the wear pad of renewal need not to pull down the hollow shaft from the frame, the hollow shaft of renewal. The utility model discloses cost of maintenance is low, the convenience is high.

The utility model discloses further set up to: the inner grooves are distributed in a circumferential array mode relative to the axis of the hollow shaft, clamping strips are arranged on the side walls of the inner grooves corresponding to the long edges of the inner grooves, and clamping grooves are formed in the side walls of the wear-resistant pieces in the length direction.

Through adopting above-mentioned technical scheme, the wearing layer is paved to the wear pad, and joint strip joint makes the wear pad firmly on the inside groove in the joint inslot.

The utility model discloses further set up to: the bottom surface of the inner groove is provided with a first buckle hole, and the wear-resistant sheet is provided with a first buckle clamped with the first buckle hole facing the bottom surface of the inner groove.

Through adopting above-mentioned technical scheme, first buckle card is downthehole at first buckle, makes wear pad bottom surface and the laminating of inside groove bottom surface, and the wear pad is firmly fixed on the inside groove, further fixed wear pad.

The utility model discloses further set up to: the thickness of the wear-resistant sheet is the same as the depth of the inner groove.

Through adopting above-mentioned technical scheme, the wear pad embedding is on the inside groove, and the good wear pad of joint links integratively with the hollow shaft outer wall, avoids the cement pipe to show out the wrong platform.

The utility model discloses further set up to: first buckle hole runs through hollow shaft wall, and first buckle includes spliced pole and joint piece, and the spliced pole height is the same with first buckle hole degree of depth, and wear pad bottom is connected to spliced pole one end, and joint piece top surface is connected to the other end, and the joint piece is the cone, and joint piece top surface radius is greater than first buckle hole radius.

Through adopting above-mentioned technical scheme, when first buckle joint is downthehole at first buckle, the spliced pole adds the stopper at first joint downthehole, and joint piece top surface is contradicted with the hollow shaft inner wall, and the side of cone makes things convenient for first buckle card to go into first buckle hole, avoids first buckle to break away from first buckle hole again, makes wear pad and hollow shaft fixed firm.

The utility model discloses further set up to: the bottom surface of the inner groove is provided with a second buckle, and the wear-resistant sheet is provided with a second buckle hole correspondingly clamped with the second buckle.

Through adopting above-mentioned technical scheme, second buckle hole card is on the second buckle, makes wear pad bottom surface and the laminating of inside groove bottom surface, and the wear pad is firmly fixed on the inside groove, further fixes the wear pad.

The utility model discloses further set up to: the side wall of the second buckle is provided with a clamping groove sunken towards the axis of the second buckle, and the side wall of the second buckle hole is provided with a convex ring clamped with the clamping groove.

Through adopting above-mentioned technical scheme, when second buckle hole joint when the second buckle on the second buckle, the bulge ring joint is in the draw-in groove, avoids second buckle hole to break away from the second buckle, makes wear pad and hollow shaft fixed firm.

The utility model discloses further set up to: the height of the second fastener is the same as the depth of the inner groove.

Through adopting above-mentioned technical scheme, after the wear pad is fixed on the inside groove, the top surface and the wear pad surface parallel and level of second buckle avoid the cement pipe to show out the wrong platform.

To sum up, the utility model discloses a beneficial technological effect does:

1. the wear-resistant pieces are clamped on the inner groove, and can be directly detached from the inner groove after being seriously worn, so that new wear-resistant pieces are replaced, the maintenance cost is low, and the convenience is high;

2. the wear-resisting piece is fixed with the inside groove through modes such as clamping strip and buckle, and the wear-resisting piece is firmly attached to the hollow shaft.

Drawings

FIG. 1 is a schematic view of the position of a hollow mandrel on a roll suspension machine according to an embodiment.

FIG. 2 is a schematic view of the inner tank structure according to an embodiment.

Fig. 3 is a schematic structural diagram of the wear-resistant plate in the first embodiment.

FIG. 4 is a cross-sectional view of a hollow mandrel in a wear layer according to an embodiment.

Fig. 5 is a schematic view of the installation effect of the wear-resistant plate in the first embodiment.

FIG. 6 is a schematic view of the inner tank structure in the second embodiment.

FIG. 7 is a side view of the inner tank of the second embodiment.

Fig. 8 is an enlarged schematic view of a in fig. 7.

FIG. 9 is a cross-sectional view of a hollow mandrel in a wear layer according to a second embodiment.

Fig. 10 is a schematic view of the mounting effect of the wear-resistant plate in the second embodiment.

In the figure, 1, a frame; 12. a drive shaft; 13. a motor; 14. a belt; 15. a flange plate; 16. a front door; 2. a hollow shaft; 3. a wear layer; 31. an inner tank; 311. a clamping strip; 32. a wear resistant sheet; 321. a clamping groove; 41. a first snap hole; 42. a second snap-fit hole; 51. a first buckle; 511. connecting columns; 512. a clamping block; 52. a second buckle; 6. a card slot; 7. a projecting ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: referring to fig. 1, in order to disclose a hollow shaft of a suspension roller machine of the present invention, two ends of the hollow shaft 2 are fixedly connected with flange plates 15, the flange plate 15 at one end is fixed on a driving shaft 12, the driving shaft 12 is linked with a belt 14 through a motor 13 to rotate, and the motor 13 and the driving shaft 12 are arranged on a frame 1; the flange 15 at the other end is rotatably connected with a front door 16. When the overhang roll machine works, the pipe die is sleeved on the hollow shaft 2, the contact section of the check ring on the pipe die and the hollow shaft 2 is provided with the wear-resistant layer 3, and the wear-resistant layer 3 comprises an inner groove 31 and a wear-resistant sheet 32 clamped on the inner groove 31.

Referring to fig. 2, the inner grooves 31 are uniformly distributed on the circumference of the outer wall of the hollow shaft 2 where the wear-resistant layer 3 is located, and the side of the inner groove 31 extending along the axial direction of the hollow shaft 2 is set as its length, and the side extending along the radial direction is set as its width. The wide sides of the inner grooves 31 are arranged along the radian direction of the wall of the hollow shaft 2, the inner grooves 31 are communicated with the outside, the side walls corresponding to the two long sides of the inner grooves 31 are provided with clamping strips 311, the clamping strips 311 are cuboids protruding out of the surface of the side wall of the inner grooves 31 and extend along the length direction of the inner grooves 31, the bottom surface of the inner grooves 31 is provided with first circular clamping holes 41, and the first clamping holes 41 penetrate through the side wall of the hollow shaft 2.

Referring to fig. 3 and 4, the inner groove 31 is inserted with the wear-resistant sheet 32, the shape of the wear-resistant sheet 32 is the same as that of the inner groove 31, and the long side wall of the wear-resistant sheet 32 is provided with a clamping groove 321 clamped with the clamping strip 311, so that the wear-resistant sheet 32 can be just embedded into the inner groove 31 and integrated with the outer wall of the hollow shaft 2 (see fig. 5). The one side that wear-resisting piece 32 and inside groove 31 contacted sets up first buckle 51, first buckle 51 includes spliced pole 511 and joint piece 512, spliced pole 511 is the cylinder, a cylinder top surface is fixed on wear-resisting piece 32, the other end is fixed with joint piece 512 top surface, joint piece 512 is the cone, spliced pole 511 top surface radius is the same with first buckle hole 41 radius, joint piece 512 bottom surface radius is greater than first buckle hole 41 radius, make first buckle 51 can block in first buckle hole 41. The first fastener 51 is made of an elastic material, so that the first fastener can be pressed into the first fastening hole 41 and the wear-resistant piece 32 can be conveniently detached from the first fastening hole 41.

The implementation principle of the embodiment is as follows: the long edge of the wear-resistant sheet 32 is clamped in the empty groove of the inner groove 31, the first buckle 51 corresponds to the first buckle hole 41 and is pressed in the axial direction, so that the connecting column 511 is blocked in the first buckle hole 41, and the clamping block 512 is abutted to the inner part of the side wall of the hollow shaft 2, so that the wear-resistant sheet 32 is fixed on the hollow shaft 2.

If the wear-resistant piece 32 with serious wear needs to be replaced, the wear-resistant piece 32 is lifted outwards from the wide side, the first buckle 51 is pulled out from the first buckle hole 41, and a new wear-resistant piece 32 is installed on the inner groove 31.

Example two: referring to fig. 6 and 7, a hollow shaft of a suspension roller machine is different from the first embodiment in that a second buckle 52 (refer to fig. 8) is arranged on the bottom surface of an inner groove 31 facing the outside, the second buckle 52 is a cylinder, a clamping groove 6 recessed towards the axis is arranged on the side wall of the second buckle 52, and the height of the second buckle 52 is the same as the depth of the inner groove 31. Referring to fig. 9 and 10, a second fastening hole 42 is formed in the wear-resistant plate 32 at a position corresponding to the second fastener 52, the second fastening hole 42 is a cylindrical hole, the radius of the second fastening hole 42 is the same as that of the second fastener 52, and a protruding ring 7 fastened with the fastening groove 6 is arranged in the center of the second fastening hole 42. The second snap 52 is an elastomeric material that can be pressed into the second snap hole 42 and facilitate the removal of the wear pad 32 from the second snap 52.

The long limit joint of wear pad 32 is in inside groove 31, and second buckle hole 42 corresponds second buckle 52 and presses to the axial, makes second buckle hole 42 joint second buckle 52, and bulge loop 7 joint is in draw-in groove 6, and the last top surface of second buckle 52 is parallel and level with the surface of wear pad 32, does not influence the quality of tubulation. If the wear-resistant plate 32 with serious wear needs to be replaced, the wear-resistant plate 32 is lifted outwards from the wide side of the wear-resistant plate, the second fastening hole 42 is separated from the second fastening 52, and a new wear-resistant plate 32 is installed on the inner groove 31.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The hollow shaft of the overhang roll machine comprises a rack (1) and a hollow shaft (2) arranged on the rack (1), and is characterized in that two ends of the hollow shaft (2) are provided with wear-resistant layers (3), each wear-resistant layer (3) comprises an inner groove (31), and a wear-resistant sheet (32) is clamped on each inner groove (31).

2. The hollow shaft of a suspension roller machine according to claim 1, characterized in that the inner grooves (31) are distributed in a circumferential array around the axis of the hollow shaft (2), the side walls of the inner grooves (31) corresponding to the long sides are provided with clamping strips (311), and the side walls of the wear-resistant sheets (32) in the length direction are provided with clamping grooves (321).

3. The hollow shaft of a suspension roller machine according to claim 2, characterized in that the bottom surface of the inner groove (31) is provided with a first snap hole (41), and the bottom surface of the wear-resistant plate (32) facing the inner groove (31) is provided with a first snap (51) which is snapped with the first snap hole (41).

4. A hollow axle for a suspension roll machine according to claim 3, characterised in that the thickness of the wear plate (32) is the same as the depth of the inner groove (31).

5. The hollow shaft of a roller suspension machine according to claim 3, characterized in that the first fastening hole (41) penetrates through the wall of the hollow shaft (2), the first fastening (51) comprises a connecting column (511) and a fastening block (512), the height of the connecting column (511) is the same as the depth of the first fastening hole (41), one end of the connecting column (511) is connected with the bottom of the wear-resistant sheet (32), the other end of the connecting column is connected with the top surface of the fastening block (512), the fastening block (512) is a cone, and the radius of the top surface of the fastening block (512) is larger than that of the first fastening hole (41).

6. The hollow shaft of a suspension roller machine according to claim 2, characterized in that the bottom surface of the inner groove (31) is provided with a second buckle (52), and the wear-resistant sheet (32) is provided with a second buckle hole (42) correspondingly buckled with the second buckle (52).

7. A hollow shaft of a suspension roller machine according to claim 6, characterized in that the side wall of the second fastener (52) is provided with a clamping groove (6) which is concave towards the axis center, and the side wall of the second fastening hole (42) is provided with a convex ring (7) which is clamped with the clamping groove (6).

8. A hollow axle for a suspension roller machine according to claim 7, characterized in that the height of the second catches (52) is the same as the depth of the inner grooves (31).

Images