CN110926211B

CN110926211B - Chain grate capable of adjusting axial clearance

Info

Publication number: CN110926211B
Application number: CN201911267380.4A
Authority: CN
Inventors: 刘林; 刘才华; 杨勇; 姚建伟; 高华斌
Original assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Current assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2021-09-07
Anticipated expiration: 2039-12-11
Also published as: CN110926211A

Abstract

The invention discloses a chain grate capable of adjusting axial clearance, which comprises a small shaft, wherein distance pipes are welded at the top and the bottom of the small shaft, chain link inner sleeves are sleeved at the ends of the distance pipes, which are far away from the small shaft, chain links are integrally formed at the ends of the chain link inner sleeves, which are far away from the small shaft, a body of each chain link is transversely provided with a first screw hole, the ends, which are far away from the chain links, of the left side and the right side are connected with side plates through screws, the front ends of the side plates are sleeved on the outer wall of the small shaft, one ends, which are far away from the chain links, of the side plates are contacted with a backing plate mechanism, the backing plate mechanism comprises a connecting shell, one side, which is close to the side plates, of the connecting shell is provided with an opening, a gasket is arranged on the opening, a connecting column is bonded between the gasket and the middle part of the connecting shell, a spring is uniformly connected between the gasket and the connecting shell through screws, and the axial clearance of the chain grate can be kept constant after the device is used for a long time, no large amount of green balls leak out, the yield of finished balls is stable, and the production cost is reduced.

Description

Chain grate capable of adjusting axial clearance

Technical Field

The invention relates to the technical field of chain grate machines, in particular to a chain grate machine capable of adjusting axial clearance.

Background

The chain grate is a key device for pellet production, is responsible for preheating, drying and roasting green pellets, then unqualified pellets can be screened out from gaps between grate plates, and is a set of mature operating thermal equipment.

However, the existing device has the problems that the axial clearance of the device can be enlarged after being used for a long time, a large amount of green balls can be leaked, the yield of finished balls is reduced, and the production cost is increased.

Disclosure of Invention

In view of the above, the present invention provides a chain grate with adjustable axial gap, so as to solve the problems of the prior art that the axial gap of the device becomes larger after long-term use, which may cause a large amount of green balls to leak out, which may cause a decrease in yield of finished balls and an increase in production cost.

In order to achieve the purpose, the invention provides the following technical scheme: a chain grate capable of adjusting axial clearance comprises a small shaft, distance pipes are welded at the top and the bottom of the small shaft, chain link inner sleeves are sleeved at one ends, far away from the small shaft, of the distance pipes, chain links are integrally formed at one ends, far away from the small shaft, of the chain link inner sleeves, first screw holes are transversely formed in the body of each chain link, side plates are connected to the left and right sides of one end, far away from the chain links, of the chain link through screws, the front end of each side plate is sleeved on the outer wall of the small shaft, one end, far away from the chain links, of each side plate is in contact with a backing plate mechanism, each backing plate mechanism comprises a connecting shell, an opening is formed in one side, close to the side plates, of each connecting shell, a gasket is arranged on the opening, a connecting column is bonded between the middle of each gasket and the middle of each connecting shell, springs are uniformly connected between the gaskets and the connecting shells through screws, and a first snap ring is arranged at one end, far away from the side plates, of each backing plate mechanism, the body of first snap ring and connect the casing and set up the second screw that the position corresponds, the spiro union has the screw in the second screw, the one end that backing plate mechanism was kept away from to first snap ring is provided with the second snap ring, the third screw that the position corresponds is seted up to the body and the staff of second snap ring, the spiro union has the screw in the third screw.

Preferably, the second screw hole is located at the center of the connecting housing and the first snap ring.

Preferably, the distance tube is a chromium-plated iron cylindrical distance tube.

Preferably, a rubber film is bonded to the side of the left and right side plates viewed from the front.

Preferably, the distance between one end of the third screw hole far away from the small shaft and one end of the second screw hole far away from the side plate is 2-3 mm.

Compared with the prior art, the invention has the beneficial effects that:

1) the base plate mechanism fills the axial clearance generated by the small shaft thermal expansion deformation and the side plate through the matching of the connecting column, the spring and the gasket, and ensures that the axial overall clearance of the assembly connected with the small shaft is within a standard requirement range, so that the distance between the grid plates connected with the distance pipes is constant;

2) the first clamping ring and the second clamping ring are used for fixing the relative positions of the small shaft and the base plate mechanism, so that the base plate mechanism and the small shaft are prevented from loosening, and a gap between the small shaft and the side plate is avoided in an auxiliary manner;

3) the grid plate is connected with the chain links and the distance pipes simultaneously, so that the grid plate is more stably connected with the small shaft and is not easy to fall off.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged sectional view of the joint between the backing plate mechanism and the first and second snap rings.

In the figure: the device comprises a small shaft 1, a distance tube 2, a chain link 3, a chain link inner sleeve 4, a first screw hole 5, a side plate 6, a backing plate mechanism 7, a connecting shell 71, a gasket 72, a connecting column 73, a spring 74, a second clamping ring 8, a first clamping ring 9, a third screw hole 10 and a second screw hole 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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 those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an adjustable axial clearance's chain grate, including staff 1, distance pipe 2 has all been welded to the top and the bottom of staff 1, distance pipe 2 is used for keeping the distance between each chain link 3, chain link endotheca 4 has all been cup jointed to the one end that staff 1 was kept away from to distance pipe 2, chain link endotheca 4 keeps away from the one end integrated into one piece of staff 1 has chain link 3, first screw 5 has transversely been seted up to the body of chain link 3, mode cooperation distance pipe 2 connection comb board that chain link 3 can be through the screw in 5 first screws, increase the stability that the comb board is connected.

The end, far away from the left chain link 3 and the right chain link 3, of each side plate 6 is connected with a side plate 6 through a screw, the front end of each side plate 6 is sleeved on the outer wall of the corresponding small shaft 1, the side plates 6 prevent materials from falling from two ends of the device, one end, far away from the chain link 3, of each side plate 6 is in contact with a backing plate mechanism 7, each backing plate mechanism 7 comprises a connecting shell 71, one side, close to the corresponding side plate 6, of each connecting shell 71 is provided with an opening, each opening is provided with a gasket 72, a connecting column 73 is bonded between each gasket 72 and the middle of the corresponding connecting shell 71, each gasket 72 and the corresponding connecting shell 71 are uniformly connected through screws with springs 74, when the small shaft 1 is heated and needs to expand and deform, acting force repelling the side plates 6 can be generated, when the acting force acts on the backing plate mechanisms 7, the gaskets 72 are supported by the connecting columns 73 bonded to the middle of the gaskets 72, the springs 74 are used for stress decomposition and buffering, one end, far away from the side plates 6, of the backing plate mechanisms 7 is provided with a first clamping ring 9, the body of first snap ring 9 and connection casing 71 set up the second screw 11 that the position corresponds, screw in the second screw 11, the one end that backing plate mechanism 7 was kept away from to first snap ring 9 is provided with second snap ring 8, the body of second snap ring 8 and staff 1 set up the third screw 10 that the position corresponds, screw in the third screw 10, can be stable through first snap ring 9 and second snap ring 8 connect backing plate mechanism 7 on staff 1.

The second screw hole 11 is located at the center of the connecting shell 71 and the first snap ring 9, so that the connecting stability of the connecting shell 71 and the first snap ring 9 is improved.

The distance tube 2 is a chromium-plated iron cylindrical distance tube, is not easy to wear and has stronger durability.

The rubber film is adhered to the side where the left side plate 6 and the right side plate 6 are seen, so that the abrasion resistance of the side plates 6 is improved.

The distance value between one end of the third screw hole 10 far away from the small shaft 1 and one end of the second screw hole 11 far away from the side plate 6 is 2-3mm, so that the screw of the second screw hole 11 is not affected.

The working principle is as follows: the grate plate is welded on the distance tube 2, the chain link 3 can be matched with the distance tube 2 to connect the grate plate in a screw screwing mode through the first screw hole 5, the stability of connection of the grate plate is improved, unqualified raw balls can be screened and dropped from the clearance of the grate plate when the device works, when the small shaft 1 is heated and needs to expand and deform, the acting force repelling with the side plate 6 can be generated, when the acting force acts on the backing plate mechanism 7, the spacer 72 and the connecting column 73 bonded at the middle part of the connecting shell 71 support the spacer 72, the spring 74 carries out stress decomposition and buffering on the acting force applied to the spacer 72, the axial clearance generated by the small shaft 1 and the side plate 6 is filled, the axial whole clearance of the components connected with the small shaft 1 is ensured to be within the standard requirement range, so that the distance between the grate plates connected with the distance tube 2 is constant, the first clamping ring 9 and the second clamping ring 8 are used for fixing the relative positions of the small shaft 1 and the backing plate mechanism 7, prevent to produce between backing plate mechanism 7 and the staff 1 not hard up, supplementary the production clearance of avoiding producing between staff 1 and curb plate 6.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chain grate capable of adjusting axial clearance comprises a small shaft (1), and is characterized in that: distance pipes (2) are welded at the top and the bottom of the small shaft (1), one end, far away from the small shaft (1), of each distance pipe (2) is sleeved with a chain link inner sleeve (4), one end, far away from the small shaft (1), of each chain link inner sleeve (4) is integrally formed with a chain link (3), a body of each chain link (3) is transversely provided with a first screw hole (5), one end, far away from the chain links (3), of each left side and right side is connected with a side plate (6) through screws, the front end of each side plate (6) is sleeved on the outer wall of the small shaft (1), one end, far away from the chain links (3), of each side plate (6) is contacted with a backing plate mechanism (7), each backing plate mechanism (7) comprises a connecting shell (71), one side, close to the side of each side plate (6), of each connecting shell (71) is provided with an opening, a gasket (72) is arranged on each opening, and a connecting column (73) is arranged between each gasket (72) and the middle part of each connecting shell (71), evenly there are spring (74) through screwed connection between gasket (72) and connection casing (71), the one end that curb plate (6) were kept away from in backing plate mechanism (7) is provided with first snap ring (9), the second screw (11) that the position corresponds are seted up with connection casing (71) to the body of first snap ring (9), the spiro union has the screw in second screw (11), the one end that backing plate mechanism (7) were kept away from in first snap ring (9) is provided with second snap ring (8), third screw (10) that the position corresponds are seted up to the body of second snap ring (8) and staff (1), the spiro union has the screw in third screw (10).

2. An adjustable axial gap chain grate as claimed in claim 1, wherein: the second screw hole (11) is located in the center of the connecting shell (71) and the first clamping ring (9).

3. An adjustable axial gap chain grate as claimed in claim 1, wherein: the distance tube (2) is a chromium-plated iron cylindrical distance tube.

4. An adjustable axial gap chain grate as claimed in claim 1, wherein: and a rubber film is adhered to the side of the left side plate and the right side plate (6) which is seen.

5. An adjustable axial gap chain grate as claimed in claim 1, wherein: the distance between one end of the third screw hole (10) far away from the small shaft (1) and one end of the second screw hole (11) far away from the side plate (6) is 2-3 mm.