CN218421427U

CN218421427U - Filter cloth lengthening compensation device

Info

Publication number: CN218421427U
Application number: CN202222419087.9U
Authority: CN
Inventors: 许建闽
Original assignee: Shanghai Xuhe Environmental Equipment Co ltd
Current assignee: Shanghai Xuhe Environmental Equipment Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-02-03
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a compensation arrangement that lengthens of filter cloth, include: the pair of hanging plates are fixed on a rack assembly of the vacuum belt dehydrator and are provided with a plurality of indexing basic holes; the rotating shaft is axially arranged on the hanging plate, and a plurality of indexing basic holes are circumferentially distributed on the periphery of the rotating shaft; a rotating plate fixedly arranged on the rotating shaft, wherein a positioning hole is formed in the rotating plate; the positioning holes are circumferentially distributed on the periphery of the rotating shaft and are positioned on the same circumference with the indexing basic holes; the positioning pin penetrates through any indexing base hole and is inserted into the positioning hole, and the rotating plate is circumferentially positioned; a first roller and a second roller mounted on the rotating plate, the filter cloth being wound around the first roller and the second roller in an S-shape; when the filter cloth needs to be lengthened and compensated, the manual driving mechanism drives the rotating shaft to rotate so as to drive the rotating plate to rotate, and the lengthened filter cloth is compensated through the first roller and the second roller. The utility model has the advantages of simple structure, convenient operation and high reliability.

Description

Filter cloth lengthening compensation device

Technical Field

The utility model relates to a vacuum belt hydroextractor technical field, in particular to a filter cloth lengthening compensation device for vacuum belt hydroextractor.

Background

The filter cloth in a vacuum belt dehydrator is an important part of its equipment, and the filter cloth must be used in a tensioned state. When the filter cloth is used for a period of time or the filter cloth becomes long, the filter cloth tensioning device 1 can compensate a certain amount of elongation of the filter cloth 2 (see fig. 1), but the elongation of the filter cloth produced in different batches and the filter cloth produced in different brands is different, and when the elongation is too large, the compensation amount of the filter cloth tensioning device can not meet the elongation of the filter cloth in the service period of the filter cloth.

To the above-mentioned circumstances, the solution of present vacuum belt hydroextractor filter cloth extension is:

1. and (5) stopping the machine, detaching the extended filter cloth, returning to a filter cloth manufacturer, and cutting and installing a connector. The workload is large, the cost is high, and the maintenance period is long.

2. A roller capable of being perpendicular to the axis of the roller is installed, the filter cloth is wound on the roller and a fixed roller in an S shape, and the distance between the two rollers is increased to compensate the elongation of the filter cloth. The moving roller is pushed by the cylinders or oil cylinders at the two ends of the moving roller. The device has the advantages of complex structure, high cost and high failure rate due to severe use environment. In addition, the cylinders or oil cylinders at the two ends cannot ensure that the distance between the moving roller and the fixed roller is equal, so that the running deviation of the filter cloth can be caused, and serious running faults of the dehydrator and scrapped filter cloth consequences can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the filter cloth elongation compensation arrangement is provided to the not enough of solution mode that the above-mentioned present vacuum belt hydroextractor filter cloth extends that simple structure, convenient operation, reliability are high.

In order to achieve the above object, the present invention provides a filter cloth elongation compensating device, including:

a pair of hanging plates fixed on a rack assembly of the vacuum belt dehydrator, wherein a plurality of indexing basic holes are formed on one or two hanging plates;

the two ends of the rotating shaft are axially arranged on the pair of hanging plates, and a plurality of indexing basic holes are circumferentially distributed on the periphery of the rotating shaft;

the rotating plates are fixedly arranged at the two ends of the rotating shaft, each rotating plate is close to the hanging plate at the corresponding side, and at least one positioning hole is formed in one rotating plate or two rotating plates; the positioning holes are circumferentially distributed on the periphery of the rotating shaft and are positioned on the same circumference with the indexing basic holes;

the positioning pin penetrates through any indexing base hole and is inserted into a positioning hole to circumferentially position the rotating plate;

a first roller and a second roller installed between the two rotation plates, wherein ends of the first roller and the second roller are installed on the rotation plates through bearing assemblies so that the first roller and the second roller can rotate, and the filter cloth bypasses the first roller and the second roller in an S shape;

and the manual driving mechanism drives the rotating shaft to rotate so as to drive the rotating plate to rotate when the filter cloth needs to be lengthened and compensated.

In a preferred embodiment of the present invention, the manual driving mechanism includes:

a hub fixedly mounted on the rotating shaft;

the manual hoist is arranged on the rack assembly of the vacuum belt dehydrator;

one end of the steel wire rope is wound on the hub, the end of the steel wire rope is fixedly connected with the hub, and the other end of the steel wire rope is connected with a lower lifting hook in the hand-operated block.

In one embodiment of the present invention, each of the rotating plates has a substantially diamond shape, and the end portions of the first and second rollers are respectively mounted at both ends of a long axis of the diamond shape through bearing assemblies.

In a preferred embodiment of the present invention, the upper hook of the chain block is suspended on the frame assembly of the vacuum belt dehydrator through a lifting rope assembly.

In a preferred embodiment of the present invention, the rotation shaft is offset to the center of the rotation plate.

In a preferred embodiment of the present invention, the rotation axis is located on the short axis of the diamond.

In a preferred embodiment of the present invention, the positioning holes are located on the short axis of the diamond shape and are separately disposed on both sides of the center of the diamond shape.

The utility model discloses a theory of operation is: when the filter cloth is elongated, when filter cloth overspeed device tensioner is close to the adjustment limit, extract the locating pin, promote the hand block and drive wheel hub through the wire rope of winding on wheel hub and rotate, pivoted wheel hub drives the pivot and rotates, and the pivoted pivot drives the commentaries on classics board and rotates, and the pivoted commentaries on classics board revolves the axle gyration through driving first cylinder and second cylinder, compensates by the elongated filter cloth. After the rotating plate rotates in place, the positioning pin penetrates through any indexing base hole and is inserted into the positioning hole of the rotating plate, and the rotating plate is circumferentially positioned, so that the extended filter cloth can be compensated and adjusted in place.

The utility model has the advantages of simple structure, convenient operation and high reliability. Meanwhile, the problems that the existing moving roller is pushed by cylinders or oil cylinders at two ends of the moving roller, the structure is complex, the cost is high, and the running deviation of the filter cloth is easily caused, so that the running fault of the dehydrator is serious, and the filter cloth is scrapped are solved.

Drawings

Fig. 1 is a schematic diagram of the filter cloth elongation compensation device of the present invention applied to a vacuum belt dehydrator.

Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is a partial view of fig. 2 taken along direction B.

Fig. 4 is a partial view from the B-side of fig. 2 (with the swivel plate in the initial position and the nut assembly and alignment pins removed).

Fig. 5 is a partial view from the direction B of fig. 2 (with the swivel plate in the initial position and the nut assembly, alignment pins, hanger plate and chain block removed).

Fig. 6 is a partial view from direction B of fig. 2 (with the swivel plate in the initial position and the nut assembly, alignment pins, hanger plate, chain block and swivel plate removed).

Fig. 7 is a partial view of fig. 2 taken along direction B (the rotating plate rotates 189 ° counterclockwise around the rotating shaft, and the nut assembly and the positioning pin are removed).

Fig. 8 is a partial view of fig. 2 taken along direction B (the rotating plate rotates 189 ° counterclockwise around the rotating shaft and the nut assembly, the positioning pin, the hanger plate and the chain block are removed).

Fig. 9 is a partial view of fig. 2 taken along direction B (the rotating plate rotates 189 ° counterclockwise around the rotating shaft and the nut assembly, the positioning pin, the hanger plate, the chain block, and the rotating plate are removed).

Detailed Description

The invention is further described below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 6, a filter cloth elongation compensating device 00 is shown, which comprises a pair of hanger plates 3, a rotating shaft 4, a pair of rotating plates 5, one or two positioning pins 6, a first roller 7, a second roller 8, four sets of bearing assemblies 9 and a manual driving mechanism.

The upper ends of the pair of hanging plates 3 are mounted on both sides of the frame assembly 15 of the vacuum belt dehydrator by means of fasteners and extend downward. One of the hanging plates 3 or two hanging plates 3 are provided with a plurality of indexing basic holes 3a.

Both ends of the rotating shaft 4 are axially provided on the pair of hanger plates 2 through bearing blocks 4a so that the rotating shaft 4 can rotate. A plurality of indexing base holes 3a are distributed on the periphery of the rotating shaft 4.

A pair of rotating plates 5 are fixed at both ends of the rotating shaft 4 by welding and are positioned between the pair of hanging plates 2, and each rotating plate 5 is adjacent to the hanging plate 3 on the corresponding side. Each rotating plate 5 is substantially rhombus-shaped, and the rotating shaft 4 is offset from the center of the rotating plate 5 and is positioned on the short axis of the rhombus. At least one positioning hole 5a is formed in one rotating plate 5 or two rotating plates 5; the positioning holes 5a are circumferentially distributed on the periphery of the rotating shaft 4 and are positioned on the same circumference with the indexing basic holes 3a. Meanwhile, the positioning holes 5a are positioned on the short axis of the rhombus and are respectively arranged at two sides of the center of the rhombus together with the rotating shaft 4.

The first and

second rollers

7 and 8 are installed between the two rotation plates 5, wherein ends of both ends of the first and

second rollers

7 and 8 are respectively installed on both ends of a long axis of the rotation plates 5 through a set of bearing assemblies 9 so that the first and

second rollers

7 and 8 can be rotated, and the filter cloth 2 is wound around the first and

second rollers

7 and 8 in an S-shape.

When the manual driving mechanism needs to compensate the elongation of the filter cloth 2, the rotating shaft 4 is driven to rotate so as to drive the pair of rotating plates 5 to rotate. The manual driving mechanism comprises a hub 10, a nut component 11, a steel wire rope 12, a manual hoist 13 and a lifting rope component 14.

The hub 10 is mounted on one end of the rotating shaft 4 through a key (not shown) and a nut assembly 11, one end of a wire rope 12 is wound around the hub 10, and the end of the wire rope 12 is fixedly connected with the hub 4.

An upper hook 13a of the hand block 13 is hung on one side of a frame assembly 15 of the vacuum belt dehydrator by a lifting rope assembly 14. The other end of the wire rope 12 is connected with a lower hook 13b in the hand hoist 13.

Referring to fig. 7 to 9, when the filter cloth 2 is elongated and the filter cloth tensioning device 1 approaches the adjustment limit, the positioning pin 6 is pulled out of the indexing base hole 3a and the positioning hole 5a, the lifting hand block 13 drives the hub 10 to rotate 189 degrees counterclockwise through the steel wire rope 12 wound on the hub 10, the rotating hub 10 drives the rotating shaft 4 to rotate 189 degrees counterclockwise synchronously, the rotating shaft 4 drives the counter rotating plate 5 to rotate 189 degrees counterclockwise synchronously, and the rotating counter rotating plate 5 drives the first roller 7 and the second roller 8 to rotate 189 degrees counterclockwise synchronously around the rotating shaft 4, so that compensation is performed on the elongated filter cloth 2. After a pair of rotating plates 5 rotate 189 degrees anticlockwise to be in place, a positioning pin 6 penetrates through another indexing base hole 3a and is inserted into a positioning hole 5a of the rotating plate 5, the rotating plate 5 is circumferentially positioned, and then compensation and adjustment of the extended filter cloth in place can be completed.

Claims

1. A filter cloth elongation compensating apparatus, comprising:

and when the filter cloth needs to be lengthened and compensated, the rotating shaft is driven to rotate so as to drive the rotating plate to rotate.

2. A filter cloth elongation compensating apparatus as claimed in claim 1, wherein the manual drive mechanism comprises:

a hub fixedly mounted on the rotating shaft;

a hand-operated block mounted on the frame assembly of the vacuum belt dehydrator;

one end of the steel wire rope is wound on the hub, the end part of the end of the steel wire rope is fixedly connected with the hub, and the other end of the steel wire rope is connected with a lower lifting hook in the manual hoist;

each rotating plate is roughly in a diamond shape, and the ends of the first roller and the second roller are respectively installed at the two ends of the long shaft of the diamond shape through bearing assemblies.

3. The filter cloth elongation compensating apparatus of claim 2, wherein the upper hook of the chain block is suspended from a frame assembly of the vacuum belt dehydrator by a lifting rope assembly.

4. A filter cloth elongation compensating device as claimed in claim 1, 2 or 3, wherein the pivot axis is offset from the centre of the swivel plate.

5. A filter cloth elongation compensating apparatus as claimed in claim 4, wherein the pivot axis is located on the minor axis of the diamond.

6. The filter cloth elongation compensating apparatus of claim 5, wherein the positioning holes are located on the minor axis of the diamond and are separated from the rotation axis at both sides of the center of the diamond.