CN219037549U

CN219037549U - Fixing device for rake bar of disc dryer

Info

Publication number: CN219037549U
Application number: CN202223195097.5U
Authority: CN
Inventors: 冯海涛
Original assignee: Changzhou Qifan Machinery Technology Co ltd
Current assignee: Changzhou Qifan Machinery Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-16
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a fixing device for a rake rod of a disc dryer, which comprises a shaft head, a fixing seat and a connecting piece, wherein the fixing seat is arranged on the shaft head; the fixed seat is used for being fixedly connected with the rotating shaft and provided with a mounting hole; the shaft head is used for being connected with the end part of the harrow rod and extends into the mounting hole; the connecting piece is used for detachably connecting the shaft head and the fixing seat. The fixing device for the disc dryer rake rod is based on the shaft head and the fixing seat as a connecting structure with the rake rod and the rotating shaft, is inserted between the shaft head and the fixing seat, and adopts a connecting piece to carry out detachable connection limiting; the problem that the harrow bar and the rotating shaft cannot be detached and maintained due to screw deformation and seizure caused by stressed distortion of the harrow bar when the harrow bar is used for a long time during screw connection is avoided.

Description

Fixing device for rake bar of disc dryer

Technical Field

The utility model relates to the field of stirring mechanical equipment, in particular to a fixing device for a rake rod of a disc dryer.

Background

The fixed mode of current disc dryer harrow pole is threaded connection structure, and harrow pole spindle nose (harrow pole tip) is the external screw thread, and fixation nut is the internal screw thread, screws into fixation nut with harrow pole spindle nose during the installation, and fixation nut is fixed in the pivot. After the disc dryer rake bar is used for a long time, the shaft can be stressed to bend, the screw thread of the rake bar shaft head and the screw thread of the fixing nut are bitten, so that the rake bar shaft head can not be screwed out during subsequent maintenance, only the destructive removal can be performed, the fixing nut is cut off by using the cutting machine, and time and labor are consumed during maintenance and replacement of the rake bar. The above problems are to be solved.

Disclosure of Invention

In order to solve the problems existing in the background technology, the utility model provides a fixing device for a rake rod of a disc dryer, which comprises a shaft head, a fixing seat and a connecting piece; the fixed seat is used for being fixedly connected with the rotating shaft and provided with a mounting hole; the shaft head is used for being connected with the end part of the harrow rod and extends into the mounting hole; the connecting piece is used for detachably connecting the shaft head and the fixing seat.

In the fixing device for the rake bar of the disc dryer, the shaft head is provided with a connecting hole; the fixing seat is provided with a through hole; the connecting piece is arranged in the connecting hole and the through hole so as to limit the shaft head to be separated from the fixing seat.

In the fixing device for the rake bar of the disc dryer, the connecting piece comprises a fixing sleeve and a telescopic bar; the fixed sleeve is arranged on the through hole; the telescopic rod is inserted into the fixed sleeve and can stretch and retract relative to the fixed sleeve so as to be inserted into or separated from the connecting hole.

In the fixing device for the disc dryer rake bar, the fixing sleeve is screwed to the through hole.

In the fixing device for the rake bar of the disc dryer of the application, the connecting piece further comprises an adjusting piece; the adjusting piece is in the fixed cover of spiro union, and is located the fixed cover outside.

In the fixing device for the rake bar of the disc dryer, the fixing sleeve is connected with the telescopic bar through a spring; the spring is sleeved on the telescopic rod; one end of the spring is connected with the telescopic rod, the other end of the spring is connected with the fixed sleeve, and when the spring is in a non-compressed state, the end part of the telescopic rod is positioned in the connecting hole.

In the fixing device for the rake bar of the disc dryer, the shaft head is provided with a guide groove; the guide groove is arranged along the shaft head inserting direction; the fixed seat is provided with a guide piece; the guide piece is installed in the fixing seat, and the end part of the guide piece is located in the guide groove.

In the fixing device for the disc dryer rake bar, the guide piece is inserted into the fixing seat, and the end part of the guide piece protrudes out of the inner wall of the mounting hole.

In the fixing device for the disc dryer rake bar, the fixing device further comprises a limiting portion, wherein the limiting portion is arranged on the shaft head and limits the depth of the shaft head inserted into the mounting hole.

In the fixing device for the rake bar of the disc dryer, the shaft head and the rake bar are of an integral structure.

The beneficial effects of the utility model are as follows: the fixing device for the disc dryer rake rod is based on the shaft head and the fixing seat as a connecting structure with the rake rod and the rotating shaft, is inserted between the shaft head and the fixing seat, and adopts a connecting piece to carry out detachable connection limiting; the problem that the harrow bar and the rotating shaft cannot be detached and maintained due to screw deformation and seizure caused by stressed distortion of the harrow bar when the harrow bar is used for a long time during screw connection is avoided.

Drawings

FIG. 1 is a schematic view of the structure of the fixing device for the rake bar of the disc dryer of the present utility model;

FIG. 2 is a schematic view showing a split structure of a fixing device for a rake bar of a tray dryer according to the present utility model;

FIG. 3 is a cross-sectional view of the securing device for the rake bar of the disc dryer of the present utility model;

fig. 4 is a cross-sectional view of the attachment of the fixing device for the rake bar of the disc dryer of the present utility model.

Legend: 1. a shaft head; 11. a mounting hole; 12. a guide groove; 2. a fixing seat; 21. a mounting hole; 22. a through hole; 23. a guide member; 3. a connecting piece; 31. a fixed sleeve; 32. a telescopic rod; 33. an adjusting member; 34. a spring; 4. and a limiting part.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The term "plurality" in the description and claims of the present application or in the above-mentioned figures refers to more than two (including two).

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The fixing device for a rake bar of a tray dryer according to the present application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a fixing device for a rake bar of a disc dryer comprises a shaft head 1, a fixing seat 2 and a connecting piece 3; the fixed seat 2 is used for fixedly connecting with the rotating shaft and is provided with a mounting hole 21; the shaft head 1 is used for being connected with the end part of the rake rod (the shaft head 1 and the rake rod A can be selected as an integrated structure) and stretches into the mounting hole 21; the connecting piece 3 detachably connects the shaft head 1 and the fixed seat 2. Specifically, the shaft head 1 may be selected to be a cylinder, and is in clearance fit with the mounting hole 21.

The fixing device for the disc dryer rake rod is based on the shaft head and the fixing seat as a connecting structure with the rake rod and the rotating shaft, is inserted between the shaft head and the fixing seat, and adopts a connecting piece to carry out detachable connection limiting; the problem that the harrow bar and the rotating shaft cannot be detached and maintained due to screw deformation and seizure caused by long-term use of the shaft stressed distortion when the screw is adopted is avoided.

In some embodiments, as shown in fig. 1 and 3, the fixing device further includes a limiting portion 4, where the limiting portion 4 is disposed on the stub shaft 1 (e.g., as an integral structure), and limits the depth of insertion of the stub shaft 1 into the mounting hole 21.

In some embodiments, as a detachable connection manner, as shown in fig. 2 and 3, the shaft head 1 is provided with a connection hole 11; the fixing seat 2 is provided with a through hole 22; the connecting piece 3 is arranged (e.g. inserted) in the connecting hole 11 and the through hole 22 to limit the shaft head 1 from being separated from the fixing seat 2. Specifically, when the shaft head 1 is inserted into the mounting hole 21, the positions of the connecting hole 11 and the through hole 22 correspond to each other; if the extending direction of the connecting hole 11 and the through hole 22 is perpendicular to the mounting hole 21, the problem that the seizure can not be removed due to the deformation of the threads possibly existing in the screwing mode is avoided based on the plugging connection mode.

In some embodiments, as shown in fig. 2-4, the connector 3 includes a fixed sleeve 31 and a telescoping rod 32; the fixing sleeve 31 is mounted on the through hole 22 (e.g. screwed on the through hole 22); the telescopic rod 32 is inserted into the fixed sleeve 31 and can stretch out and draw back relative to the fixed sleeve 31 so as to be inserted into or separated from the connecting hole 11, specifically, the fixed sleeve 31 is provided with an inner cavity, the telescopic rod 32 is provided with a limiting part, the limiting part is positioned in the inner cavity, two ends of the telescopic rod 32 extend out of the fixed sleeve 31, and the limiting part can move in the inner cavity. Based on telescopic link 32 telescopic setting, need not to take out the connecting piece when carrying out spindle nose 1 dismouting, can accomplish the dismantlement process for the dismantlement process is more convenient, also can avoid the dismouting process to cause connecting piece 3 to lose.

In some embodiments, as shown in fig. 1 and 3, the connector 3 further comprises an adjustment member 33; the adjusting member 33 (such as a nut) is screwed to the fixing sleeve 31, and is located outside the fixing sleeve 31; based on the adjusting piece 33, the adjusting piece 33 is attached to the outer wall of the fixed sleeve 31 after being installed (the contact surface between the fixed sleeve 31 and the adjusting piece 33 is a plane at this time), so that the installation stability of the connecting piece 3 is improved, and the connecting piece 3 is prevented from shaking.

In some embodiments, as shown in fig. 4, the fixed sleeve 31 and the telescoping rod 32 are connected by a spring 34; the spring 34 is sleeved on the telescopic rod 32 (preferably, is positioned in the fixed sleeve 31); one end of the spring 34 is connected with the telescopic rod 32, the other end of the spring 34 is connected with the fixed sleeve 31, and when the spring 34 is in a non-compressed state, the end part of the telescopic rod 32 is positioned in the connecting hole 11; one end of the telescopic rod 32 is an insertion end, and the other end is a push-pull end (the end can be provided with a pull ring to facilitate the drawing of the telescopic rod 32); the depth of insertion of the telescopic rod 32 into the connection hole 11 is made constant based on the arrangement of the spring 34. When the shaft head 1 needs to be disassembled, the telescopic rod 32 is only required to be pulled out so as to take the shaft head 1; when the shaft head 1 is installed, the telescopic rod 32 is pulled out, and the installation can be completed by releasing the telescopic rod after the shaft head 1 is installed in place.

In some embodiments, as shown in fig. 1 and 2, the stub shaft 1 is provided with a guide slot 12; the guide groove 12 is arranged along the insertion direction of the shaft head 1; the fixed seat 2 is provided with a guide piece 23; the guide piece 23 is arranged on the fixed seat 2, and the end part of the guide piece is positioned in the guide groove 12; the guide piece 23 is inserted into the fixed seat 2, and the end part of the guide piece protrudes from the inner wall of the mounting hole 21. The installation of the connecting piece 3 is facilitated based on the guiding action of the guiding groove 12 and the guiding piece 23, and the insertion of the connecting piece 3 is facilitated when the connecting piece 3 is spliced; and preferably, when the shaft head 1 is mounted in place, the guide member 23 is abutted against the end of the guide groove 12, thus further facilitating the mounting of the shaft head 1 and the fixing base by the connecting member 3.

Claims

1. The fixing device for the rake bar of the disc dryer is characterized by comprising a shaft head (1), a fixing seat (2) and a connecting piece (3);

the fixed seat (2) is used for being fixedly connected with the rotating shaft and provided with a mounting hole (21);

the shaft head (1) is used for being connected with the end part of the rake rod and extends into the mounting hole (21);

the connecting piece (3) is used for detachably connecting the shaft head (1) and the fixing seat (2).

2. The fixing device for the rake bar of a disc dryer according to claim 1, characterized in that the shaft head (1) is provided with a connecting hole (11); the fixing seat (2) is provided with a through hole (22); the connecting piece (3) is arranged in the connecting hole (11) and the through hole (22) so as to limit the shaft head (1) to be separated from the fixing seat (2).

3. The fixing device for a rake bar of a disc dryer according to claim 2, characterized in that the connecting piece (3) comprises a fixing sleeve (31) and a telescopic bar (32);

the fixed sleeve (31) is arranged on the through hole (22);

the telescopic rod (32) is inserted into the fixed sleeve (31) and can be telescopic relative to the fixed sleeve (31) so as to be inserted into or separated from the connecting hole (11).

4. A fixing device for a rake bar of a disc dryer according to claim 3, characterized in that the fixing sleeve (31) is screwed to the through hole (22).

5. A fixing device for a rake bar of a disc dryer according to claim 3, characterized in that the connecting piece (3) further comprises an adjusting piece (33);

the adjusting piece (33) is in threaded connection with the fixing sleeve (31) and is located on the outer side of the fixing sleeve (31).

6. A fixing device for a rake bar of a disc dryer according to claim 3, characterized in that the fixing sleeve (31) and the telescopic bar (32) are connected by means of a spring (34);

the spring (34) is sleeved on the telescopic rod (32); one end of the spring (34) is connected with the telescopic rod (32), the other end of the spring is connected with the fixed sleeve (31), and when the spring (34) is in a non-compressed state, the end part of the telescopic rod (32) is positioned in the connecting hole (11).

7. The fixing device for the rake bar of a disc dryer according to claim 1, characterized in that the shaft head (1) is provided with a guide groove (12);

the guide groove (12) is arranged along the insertion direction of the shaft head (1);

the fixed seat (2) is provided with a guide piece (23); the guide piece (23) is installed on the fixing seat (2), and the end part of the guide piece is located in the guide groove (12).

8. The fixing device for the rake bar of a disc dryer according to claim 7, characterized in that the guide (23) is inserted in the fixed seat (2) with its end protruding from the inner wall of the mounting hole (21).

9. The fixing device for a rake bar of a disc dryer according to claim 1, characterized in that the fixing device further comprises a limiting part (4), the limiting part (4) is arranged on the shaft head (1) to limit the depth of the shaft head (1) inserted into the mounting hole (21).

10. The fixing device for a disc dryer rake bar according to claim 1, characterized in that the shaft head (1) is of unitary construction with the rake bar.