CN212800101U

CN212800101U - Spiral shaft for stacked sludge dewatering machine

Info

Publication number: CN212800101U
Application number: CN202021255604.8U
Authority: CN
Inventors: 袁晓萍
Original assignee: Yixing Kaimei Environmental Protection Technology Co ltd
Current assignee: Yixing Kaimei Environmental Protection Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-26
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a fold spiral shell formula screw axis for sludge dewatering machine, including the outer pole, spiral leaf of outside fixedly connected with of outer pole, a spread groove has been seted up to the inside of outer pole, the inside swing joint of spread groove has an interior pole, the utility model discloses the beneficial effect who reaches is: through the annular thread groove that sets up, annular thread piece, the connecting block, lead to the groove, first threaded rod and screw thread, can pass through the swivelling joint piece, make screw thread and annular thread piece break away from the inslot that corresponds respectively, thereby can remove the fixed of connecting block to the outer pole, through the outer pole that sets up, the spread groove, can be through taking out the outer pole from interior pole outside, make spiral leaf and interior pole separate, thereby can change new spiral leaf, the effectual spiral leaf that has solved on the general screw axis can't be dismantled, consequently when needs change the spiral leaf, need change the whole and can increase certain use cost scheduling problem of spiral axle.

Description

Spiral shaft for stacked sludge dewatering machine

Technical Field

The utility model relates to a fold spiral shell formula screw axis for sludge dewatering machine belongs to screw axis technical field.

Background

In the prior art, common sludge dewatering equipment is mainly classified into a centrifuge, a belt filter press, a plate and frame filter press, a membrane filter press, and a stacked screw type sludge dewatering machine, and the stacked screw type sludge dewatering machine is equipment for separating water contained in sludge from dirty and turbid impurities by concentrating and dewatering the sludge.

At present, the screw axis of general spiral shell formula sludge dewaterer, its spiral leaf need contact with the impurity in the mud for a long time, consequently under the use of a certain period of time, the phenomenon of wearing and tearing will appear in the spiral leaf, after the wearing and tearing of spiral leaf are serious gradually, fold spiral shell formula sludge dewaterer's dehydration efficiency and will greatly reduced, and the spiral leaf generally all carries out fixed mounting through welded mode and screw axis, so when needs are changed the spiral leaf, need change spiral axle wholly, and like this, not only can cause the waste, and can improve certain use cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of the prior art, and to provide a spiral shaft for a stacked sludge dewatering machine.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a spiral shaft for a stacked-screw sludge dewatering machine, which comprises an outer rod, wherein the outer part of the outer rod is fixedly connected with a spiral blade, the inner part of the outer rod is provided with a connecting groove, the inner part of the connecting groove is movably connected with an inner rod, both ends of the inner rod are both penetrated through the connecting groove and are flush with the side walls of both sides of the outer rod, the side wall of one end of the outer rod is provided with an annular thread groove, the internal thread of the annular thread groove is connected with an annular thread block, one end of the annular thread block, which is close to the notch of the annular thread groove, penetrates through the notch of the annular thread groove and is flush with the side wall of the outer rod, one end of the annular thread block, which is close to the notch of the annular thread groove, is fixedly connected with a connecting block, the position of the connecting block, which is close to the corresponding, interior pole is close to a head rod of one end fixedly connected with of thread groove, the one end that the head rod is close to the thread groove is equallyd divide and is do not run through the thread groove and lead to the groove and extend outward to the connecting block, the head rod is located and is equipped with the screw thread on the pole wall of thread inslot one end, just screw thread and thread groove threaded connection, a second connecting rod of one end fixedly connected with of head rod is kept away from to interior pole.

As a preferred technical scheme of the utility model, a first annular seal groove has been seted up on the pole wall that the head rod is located logical inslot one end, the inside swing joint of first annular seal groove has a first rubber ring, just the one end that first rubber ring is close to first annular seal groove notch runs through first annular seal groove and with the cell wall fixed connection who leads to the groove.

As a preferred technical scheme of the utility model, a second annular seal groove has been seted up on the cell wall that the spread groove is close to second connecting rod one end, just the inside swing joint of second annular seal groove has a second rubber ring, just the one end that the second rubber ring is close to second annular seal groove notch runs through the notch of second annular seal groove and with interior pole fixed connection.

As the utility model discloses a preferred technical scheme, the outside fixed cover that the connecting block is close to outer pole one end has cup jointed an annular rubber pad, just the annular rubber pad is close to the one end of outer pole and laminates mutually with the outer wall of outer pole.

As a preferred technical scheme of the utility model, outer pole, spread groove, interior pole all are the circular cone type setting, just the outer wall of interior pole is laminated with the cell wall of spread groove mutually.

As a preferred technical scheme of the utility model, the screw thread on the annular thread groove sets up on the cell wall of maximum diameter, on the screw thread setting on the annular thread piece and the lateral wall, just the inside wall of annular thread piece is laminated mutually with the minimum groove wall of annular thread groove diameter.

The utility model discloses the beneficial effect who reaches is: through the annular thread groove that sets up, annular thread piece, the connecting block, lead to the groove, first threaded rod and screw thread, can pass through the swivelling joint piece, make screw thread and annular thread piece break away from the inslot that corresponds respectively, thereby can remove the fixed of connecting block to the outer pole, through the outer pole that sets up, the spread groove, can be through taking out the outer pole from interior pole outside, make spiral leaf and interior pole separate, thereby can change new spiral leaf, the effectual spiral leaf that has solved on the general screw axis can't be dismantled, consequently when needs change the spiral leaf, need change the whole and can increase certain use cost scheduling problem of spiral axle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the cutting structure of the present invention;

fig. 3 is an enlarged schematic view of fig. 2 at a according to the present invention;

fig. 4 is an enlarged schematic view of fig. 2B according to the present invention;

fig. 5 is a schematic view of the overall structure of the middle connecting block of the present invention.

In the figure: 1. an outer rod; 2. helical leaves; 3. connecting grooves; 4. an inner rod; 5. an annular thread groove; 6. an annular thread block; 7. connecting blocks; 8. a thread groove; 9. a through groove; 10. a first connecting rod; 11. a thread; 12. a second connecting rod; 13. a first annular seal groove; 14. a first rubber ring; 15. a second annular seal groove; 16. a second rubber ring; 17. an annular rubber pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model provides a spiral shaft for a stacked-spiral sludge dewatering machine, which comprises an outer rod 1, a spiral blade 2 fixedly connected to the outside of the outer rod 1, a connecting groove 3 arranged inside the outer rod 1, an inner rod 4 movably connected inside the connecting groove 3, both ends of the inner rod 4 both passing through the connecting groove 3 and being flush with the side walls of both sides of the outer rod 1, an annular thread groove 5 arranged on the side wall of one end of the outer rod 1, an annular thread block 6 connected with the internal thread of the annular thread groove 5, one end of the annular thread block 6 close to the notch of the annular thread groove 5 passing through the notch of the annular thread groove 5 and being flush with the side wall of the outer rod 1, a connecting block 7 fixedly connected to one end of the annular thread block 6 close to the notch of the annular thread groove 5, a thread groove 8 arranged on the side wall of the connecting block 7 close to the connecting groove 3 and corresponding to the connecting groove, a logical groove 9 has been seted up to the tank bottom of thread groove 8, interior pole 4 is close to a head rod 10 of one end fixedly connected with of thread groove 8, head rod 10 is close to the one end of thread groove 8 and equally divides do not run through thread groove 8 and lead to groove 9 and extend to connecting block 7 is outer, head rod 10 is located and is equipped with screw thread 11 on the pole wall of 8 interior one ends of thread groove, and

screw thread

11 and 8 threaded connection of thread groove, interior pole 4 is kept away from a second connecting rod 12 of one end fixedly connected with of head rod 10.

A first annular seal groove 13 is formed in the rod wall of one end, located in the through groove 9, of the first connecting rod 10, a first rubber ring 14 is movably connected inside the first annular seal groove 13, one end, close to a notch of the first annular seal groove 13, of the first rubber ring 14 penetrates through the first annular seal groove 13 and is fixedly connected with the groove wall of the through groove 9, and therefore certain abrasion of the threads of the thread groove 8 and the thread 11 caused by impurities in sludge is prevented.

A second annular seal groove 15 has been seted up on the cell wall that spread groove 3 is close to second connecting rod 12 one end, and the inside swing joint of second annular seal groove 15 has a second rubber ring 16, and the one end that second rubber ring 16 is close to the 15 notches of second annular seal groove run through the notch of second annular seal groove 15 and with interior pole 4 fixed connection, prevent that impurity in the mud from leading to the fact certain wearing and tearing through spread groove 3 to the screw thread on thread groove 8 and the screw thread 11.

The external fixation that connecting block 7 is close to outer pole 1 one end has cup jointed an annular rubber pad 17, and annular rubber pad 17 is close to outer pole 1's one end and the outer wall of outer pole 1 and is laminated mutually, prevents that impurity in the mud from causing certain wearing and tearing to the screw thread on annular thread piece 6 and the annular thread groove 5.

Outer pole 1, spread groove 3, interior pole 4 all are the circular cone type setting, and the outer wall of interior pole 4 laminates with the cell wall of spread groove 3 mutually, increases the compactness and improves the steadiness.

The screw thread on the annular thread groove 5 is arranged on the groove wall with the largest diameter, the screw thread on the annular thread block 6 is arranged on the outer side wall, and the inner side wall of the annular thread block 6 is attached to the groove wall with the smallest diameter of the annular thread groove 5, so that the screw thread connection is facilitated, and the tightness is increased to improve the stability.

Specifically, when the utility model is used, when the spiral blade 2 needs to be replaced, the connecting block 7 is rotated, the connecting block 7 can move towards the direction of the first connecting rod 10 through the threaded connection between the annular thread block 6 and the annular thread groove 5 and the threaded connection between the thread groove 8 and the thread 11, because the rubber has certain elasticity, when the connecting block 7 moves towards the direction of the first connecting rod 10 through rotation, the first rubber ring 14 is deformed and does not interfere with the movement of the connecting block 7, the connecting block 7 is continuously rotated until the connecting block is taken down from the first connecting rod 10, after the connecting block 7 is taken down, the outer rod 1 is pulled towards the direction of the first connecting rod 10, the second rubber ring 16 is deformed and is separated from the second annular sealing groove 15, after the second rubber ring 16 is separated from the second annular sealing groove 15, pulling the outer rod 1 continuously until the outer rod 1 is taken down from the inner rod 4, taking up the outer rod 1 provided with a new spiral blade 2 after the outer rod 1 is taken down, sleeving the outer rod 1 outside the inner rod 4 again in the same state, wherein the connecting groove 3 and the inner rod 4 are both conical, the outer wall of the inner rod 4 is attached to the groove wall of the connecting groove 3, when the outer rod 1 and the inner rod 4 are aligned with each other near the side wall of one end of the second connecting rod 12, the outer rod 1 cannot move towards the second connecting rod 12, then, the connecting block 7 is taken up and sleeved outside the first connecting rod 10, the annular thread block 6 and the thread groove 8 are respectively in threaded connection with the annular thread groove 5 and the thread 11 through rotation until the connecting block 7 is reset, after the connecting block 7 is reset, the outer rod 1 is fixed, thereby the replacement of the spiral blade 2 is completed, and the problem that the spiral blade on a common spiral shaft cannot be detached is effectively solved, therefore, when the spiral blade needs to be replaced, the whole spiral shaft needs to be replaced, and certain use cost is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The screw shaft for the stacked screw sludge dewatering machine is characterized by comprising an outer rod (1), wherein a screw blade (2) is fixedly connected to the outer part of the outer rod (1), a connecting groove (3) is formed in the outer rod (1), an inner rod (4) is movably connected to the inner part of the connecting groove (3), the two ends of the inner rod (4) penetrate through the connecting groove (3) and are flush with the side walls of the two sides of the outer rod (1), an annular thread groove (5) is formed in the side wall of one end of the outer rod (1), an annular thread block (6) is connected to the inner thread of the annular thread groove (5), one end, close to the notch of the annular thread groove (5), of the annular thread block (6) penetrates through the notch of the annular thread groove (5) and is flush with the side wall of the outer rod (1), one end, close to the notch of the annular thread groove (5), of the annular thread block (6) is fixedly connected with a connecting block (7), connecting block (7) are close to and have seted up a thread groove (8) on the position that corresponds spread groove (3) on the lateral wall of one side of spread groove (3), a logical groove (9) has been seted up to the tank bottom of thread groove (8), interior pole (4) are close to a head rod (10) of one end fixedly connected with of thread groove (8), the one end that head rod (10) are close to thread groove (8) is equallyd divide do not run through thread groove (8) and lead to groove (9) and extend to connecting block (7) outward, head rod (10) are located and are equipped with screw thread (11) on the pole wall of thread groove (8) one end, just screw thread (11) and thread groove (8) threaded connection, a second connecting rod (12) of one end fixedly connected with of head rod (10) are kept away from to interior pole (4).

2. The spiral sludge dewatering machine spiral shaft according to claim 1, wherein a first annular sealing groove (13) is formed in a shaft wall of the first connecting rod (10) at one end inside the through groove (9), a first rubber ring (14) is movably connected inside the first annular sealing groove (13), and one end of the first rubber ring (14) close to a notch of the first annular sealing groove (13) penetrates through the first annular sealing groove (13) and is fixedly connected with a groove wall of the through groove (9).

3. The spiral sludge dewatering machine spiral shaft according to claim 1, wherein a second annular sealing groove (15) is formed in a wall of the connecting groove (3) near one end of the second connecting rod (12), a second rubber ring (16) is movably connected inside the second annular sealing groove (15), and one end of the second rubber ring (16) near the notch of the second annular sealing groove (15) penetrates through the notch of the second annular sealing groove (15) and is fixedly connected with the inner rod (4).

4. The spiral shaft for the stacked sludge dewatering machine according to claim 1, wherein an annular rubber gasket (17) is fixedly sleeved outside one end of the connecting block (7) close to the outer rod (1), and one end of the annular rubber gasket (17) close to the outer rod (1) is attached to the outer wall of the outer rod (1).

5. The spiral shaft for the stacked sludge dewatering machine according to claim 1, wherein the outer rod (1), the connecting groove (3) and the inner rod (4) are all arranged in a conical shape, and the outer wall of the inner rod (4) is attached to the wall of the connecting groove (3).

6. The spiral shaft for the stacked sludge dewatering machine according to claim 1, wherein the thread on the annular thread groove (5) is arranged on the groove wall with the largest diameter, the thread on the annular thread block (6) is arranged on the outer side wall, and the inner side wall of the annular thread block (6) is attached to the groove wall with the smallest diameter of the annular thread groove (5).