CN219817962U

CN219817962U - Chain dummy bar

Info

Publication number: CN219817962U
Application number: CN202320617033.5U
Authority: CN
Inventors: 孙大地; 杜立江; 赵阳永; 傅国祥; 宣浩; 寿昱来
Original assignee: Zhejiang Evergreen Transmission Technology Co ltd
Current assignee: Zhejiang Evergreen Transmission Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-10-13
Anticipated expiration: 2033-03-27

Abstract

The chain type dummy bar comprises a chain link, wherein the chain link is connected with a dummy bar head component, the chain link comprises two groups of dummy bar chain links, a dummy bar head chain unit is arranged on the dummy bar chain links, the dummy bar head chain unit comprises two inner chain plates with hooks, two outer chain plates with hooks and a first pin shaft for connecting the two chain plates, the inner chain plates with hooks are trapezoidal, the upper bottom of the trapezoid is provided with an opening, the opening of the outer chain plates with hooks is connected with a first shaft body, the opening of the inner chain plates with hooks is connected with a second shaft body, the dummy bar head component comprises a clamping hook and a supporting column, two ends of the clamping hook are provided with a first connecting hole and a second connecting hole, two ends of the supporting column are provided with a third connecting hole and a fourth connecting hole, the first connecting hole and the third connecting hole are matched with a machining pin, the second connecting hole is sleeved on the first shaft body, the fourth connecting hole is sleeved on the second shaft body, and the supporting column, the clamping hook and the dummy bar head component form a triangular structure. The utility model improves the whole supporting capacity through the structural arrangement of the support column, the clamping hook and the dummy bar head chain link.

Description

Chain dummy bar

Technical Field

The utility model belongs to the technical field of continuous casting equipment, and particularly relates to a chain dummy bar.

Background

In certain enterprise continuous casting equipment, the round billet continuous casting machine is a four-machine four-flow large round billet continuous casting machine, the radius of the casting machine is 14m, the billet drawing speed of the casting machine is 0.2-2.0 m/min, the dummy bar is a chain dummy bar, and the loading mode is a bottom loading mode. Mainly producing excellent carbon steel, low alloy structural steel, pipeline steel and the like. In the production process of the original dummy bar, the tension leveler presses down the acting force, the contact surface is easy to deform, and the local position is cracked, so that the service life of the dummy bar is greatly influenced; meanwhile, when the steel is pulled, the clamping resistance is easy to occur due to the limit of the connecting position structures of the flat chain links and the connecting joints, and the roller carrier roller is impacted and worn locally.

Disclosure of Invention

The utility model provides a chain dummy bar which has the advantages of simple structure, high stability and long service life.

The chain type dummy bar comprises a chain link, wherein the chain link is connected with a dummy bar head assembly, the chain link comprises two groups of dummy bar chain links which are parallel and arranged, the dummy bar chain link is connected with a flat chain link, the dummy bar chain link and the flat chain link form two groups of annular chains, the dummy bar chain link is provided with a dummy bar head chain unit, the dummy bar chain unit comprises two inner link plates with hooks, two outer link plates with hooks and a first pin shaft for connecting the inner link plates with the outer link plates with the hooks, the inner link plates with hooks are trapezoidal, the upper bottom of the trapezoid is provided with an opening, the opening of the outer link plates with hooks is connected with a first shaft body, the opening of the inner link plates with hooks is connected with a second shaft body, the dummy bar head assembly comprises a hook and a pillar, the hook is in a bent hook shape, two ends of the hook are provided with a first connecting hole and a second connecting hole, two ends of the pillar are provided with a third connecting hole and a fourth connecting hole, the first connecting hole and the third connecting hole are matched with an organic processing pin, the second connecting hole is sleeved on the first shaft body, the pillar is sleeved on the second shaft body, and the triangular dummy bar structure is formed on the pillar.

As a structural preference, the number of the dummy bar head assemblies is two, and the directions of the hook heads of the two dummy bar heads are opposite.

A first bearing is arranged between the machining pin and the support column; two ends of the first shaft body are sleeved with second bearings, and the peripheries of the second bearings are sleeved with first sleeves; and the two ends of the second shaft body are sleeved with third bearings, and the peripheries of the third bearings are sleeved with second sleeves.

The first sleeve and the second sleeve are respectively sleeved with a first gasket and a second gasket, the first sleeve and the first gasket are fixed at two ends of the first shaft body through first hexagonal screws, and the second sleeve and the second gasket are fixed at two ends of the second shaft body through second hexagonal screws.

A first bushing is arranged between the two inner link plates of the hook, a first roller is sleeved on the periphery of the first bushing, the first bushing is sleeved on the first pin shaft, a fourth bearing is sleeved at two ends of the first pin shaft, and a first travelling wheel is sleeved on the periphery of the fourth bearing.

The dummy bar chain link comprises two inner chain plates, two outer chain plates, a second pin shaft and a threaded rod, wherein the second pin shaft and the threaded rod are used for connecting the two inner chain plates and the two outer chain plates, a second bushing is arranged between the two inner chain plates, a second roller is arranged on the periphery of the second bushing, the second bushing is sleeved on the second pin shaft, a fourth bearing is sleeved at two ends of the second pin shaft, and a second travelling wheel is sleeved on the periphery of the fourth bearing.

The inner chain plate and the outer chain plate are both trapezoid, a second opening is formed in the upper bottom of the trapezoid, the second opening is connected with a third shaft body, and the upper bottom of the trapezoid is connected with a flat plate through a third hexagonal screw.

The flat chain link comprises two flat inner chain plates, two flat outer chain plates and a fourth pin shaft for connecting the two flat inner chain plates and the two flat outer chain plates, a third bushing is arranged between the two flat inner chain plates, a third roller is arranged on the periphery of the third bushing, the third bushing is sleeved on the fourth pin shaft, fifth bearings are sleeved at two ends of the fourth pin shaft connected with the two flat outer chain plates, and a third travelling wheel is sleeved on the periphery of the fifth bearings.

And a first oil nozzle is arranged on one end face of the machining pin, and a second oil nozzle, a third oil nozzle, a fourth oil nozzle and a fifth oil nozzle are respectively arranged at two ends of the first shaft body, the second pin shaft and the fourth pin shaft.

The utility model has the technical effects that:

1. through the arrangement of the clamping hooks, the solidified molten steel is conveniently pulled out in the use process of the dummy bar chain.

2. The triangular structure is formed by the clamping hooks, the supporting columns and the dummy bar head units, so that the supporting capacity of the whole structure is improved, the downward pressing acting force is buffered, and the structural strength and the service life of the dummy bar are improved.

3. By arranging two hooks with opposite directions, the dummy bar chain is convenient to pull in two different directions.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of a chain dummy bar in a three-dimensional structure according to the present utility model;

FIG. 2 is a schematic diagram of a front view structure of a chain dummy bar according to the present utility model;

FIG. 3 is a schematic view of the hook and post structure of the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure of A-A of FIG. 2 in accordance with the present utility model;

FIG. 5 is a schematic view of the cross-sectional structure B-B of FIG. 2 in accordance with the present utility model;

FIG. 6 is a schematic view of the cross-sectional structure of FIG. 2 according to the present utility model;

FIG. 7 is a schematic view of the structure of the section D-D of FIG. 2 according to the present utility model;

FIG. 8 is a schematic illustration of the cross-sectional structure of E-E of FIG. 2 in accordance with the present utility model.

In the figure: 10. a clamping hook; 11. a support post; 12. machining the pin; 13. a first shaft body; 14. a second shaft body; 20. a hook inner link plate; 21. a hook outer link plate; 30. an inner link plate; 31. an outer link plate; 32. a threaded rod; 33. a flat plate; 34. a third hex screw; 35. a third shaft body; 40. a flat inner link plate; 41. a flat outer link plate; 101. a first connection hole; 102. a second connection hole; 111. a third connection hole; 112. a fourth connection hole; 121. a first oil nozzle; 122. a first bearing; 131. a second bearing; 132. a first sleeve; 133. a first gasket; 134. first hexagonal screw

Nailing; 135. a second oil nozzle; 141. a third nozzle tip; 142. a third bearing; 143. a second sleeve; 144. a second gasket; 145. a second hex screw; 201. a first roller 202, a first bushing; 211. a first pin; 212. a first travelling wheel; 301. a second roller; 302. a second bushing; 303. a second pin; 304. a second travelling wheel; 305. a fourth bearing; 306. a fourth oil nozzle; 401. a third roller; 402. a third bushing; 411. a fifth nozzle; 412. a third pin; 413. a fourth pin; 414. a third travelling wheel; 416. and a fifth bearing.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments of fig. 1-8.

The chain dummy bar comprises chain links, wherein the chain links are connected with dummy bar head assemblies, each chain link comprises two groups of dummy bar chain links which are arranged in parallel, each dummy bar chain link is connected with a flat chain link, each dummy bar chain link and each flat chain link form two groups of annular chains, each dummy bar chain link is provided with a dummy bar head chain unit, each dummy bar head chain unit comprises two inner hook chain plates 20, two outer hook chain plates 21 and a first pin shaft 211 for connecting the two inner hook chain plates 20 and the two outer hook chain plates 21, each inner hook chain plate 20 and each outer hook chain plate 21 are trapezoidal, an opening is formed in the upper bottom of each trapezoid, the opening of each outer hook chain plate 21 is connected with the first shaft body 13, the opening of each inner hook chain plate 20 is connected with the second shaft body 14, and the directions of the hooks of the two dummy heads are opposite. The dummy bar head assembly comprises a clamping hook 10 and a support column 11, wherein the clamping hook 10 is in a hook shape, a first connecting hole 101 and a second connecting hole 102 are formed in two ends of the clamping hook 10, a third connecting hole 111 and a fourth connecting hole 112 are formed in two ends of the support column 11, the first connecting hole 101 and the third connecting hole 111 are matched with an organic machining pin 12, and a first bearing 122 is arranged between the machining pin 12 and the support column 11; the two ends of the first shaft body 13 are respectively sleeved with a second bearing 131, and the periphery of the second bearing 131 is sleeved with a first sleeve 132; the second shaft body 14 is provided with a third bearing 142 at both ends, and a second sleeve 143 is sleeved on the outer periphery of the third bearing 142. The first sleeve 132 and the second sleeve 143 are respectively sleeved with a first gasket 133 and a second gasket 144, the first sleeve 132 and the first gasket 133 are fixed at two ends of the first shaft body 13 through a first hexagonal screw 134, and the second sleeve (143) and the second gasket 144 are fixed at two ends of the second shaft body 14 through a second hexagonal screw 145. The second connecting hole 102 is sleeved on the first shaft body 13, the fourth connecting hole 112 is sleeved on the second shaft body 14, and the support 11, the clamping hook 10 and the dummy bar head chain link form a triangle structure. The triangular structure is formed by the clamping hooks, the supporting columns and the dummy bar head units, so that the supporting capacity of the whole structure is improved, the downward pressing acting force is buffered, and the structural strength and the service life of the dummy bar are improved.

A first bushing 202 is arranged between the two inner link plates 20, a first roller 201 is sleeved on the periphery of the first bushing 202, the first bushing 202 is sleeved on the first pin shaft 211, a fourth bearing 305 is sleeved on two ends of the first pin shaft 211, and a first travelling wheel 212 is sleeved on the periphery of the fourth bearing 305. The dummy bar chain link comprises two inner chain plates 30, two outer chain plates 31, a second pin shaft 303 and a threaded rod 32, wherein the second pin shaft 303 is used for connecting the two inner chain plates 30 with the two outer chain plates 31, a second bushing 302 is arranged between the two inner chain plates 30, a second roller 301 is arranged on the periphery of the second bushing 302, the second bushing 302 is sleeved on the second pin shaft 303, fourth bearings 305 are sleeved at two ends of the second pin shaft 303, and a second traveling wheel 304 is sleeved on the periphery of the fourth bearings 305. The inner link plate 30 and the outer link plate are both trapezoid, a second opening is formed in the upper bottom of the trapezoid, the second opening is connected with a third shaft body 35, and the upper bottom of the trapezoid is connected with a flat plate 33 through a third hexagon screw 34. By the arrangement of the threaded rod 32, the connection stability between the two inner chain plates and the two outer chain plates is improved; and the transportation of the solidified molten steel is facilitated by the arrangement of the flat plate. The flat chain link comprises two flat inner chain plates 40, two flat outer chain plates 41 and a fourth pin shaft 413 for connecting the two flat inner chain plates 40 with the two flat outer chain plates 41, a third bushing 402 is arranged between the two flat inner chain plates 40, a third roller 401 is arranged on the periphery of the third bushing 402, the third bushing 401 is sleeved on the fourth pin shaft 413, fifth bearings 416 are sleeved on two ends of the fourth pin shaft 413 connected with the two flat outer chain plates 41, and a third traveling wheel 414 is sleeved on the periphery of each fifth bearing. Through the structural arrangement between the dummy bar chain and the flat chain, steel pulling is smoother during production, the contact surface is not easy to deform during the operation of the dummy bar, local cracks are not generated, and safe production is realized.

The first oil nozzle 121 is arranged on one end face of the machining pin 12, and the second oil nozzle 135, the third oil nozzle 141, the fourth oil nozzle 306 and the fifth oil nozzle 411 are respectively arranged on two ends of the first shaft body 13, the second shaft body 14, the second pin shaft 303 and the fourth pin shaft 413. The second oil nozzle 135, the third oil nozzle 141, the fourth oil nozzle 306 and the fifth oil nozzle 411 are used for lubricating the first bearing 122, the second bearing 131, the third bearing 142, the fourth bearing 305 and the fifth bearing 416, respectively.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a chain dummy bar, includes the chain link, and the chain link is connected with dummy bar head subassembly, its characterized in that: the chain link comprises two groups of dummy bar chain links which are parallel to each other, the dummy bar chain links are connected with flat chain links, the dummy bar chain links and the flat chain links form two groups of annular chains, the dummy bar chain links are provided with dummy bar head chain units, each dummy bar head chain unit comprises two inner hook chain plates (20), two outer hook chain plates (21) and a first pin shaft (211) for connecting the two inner hook chain plates (20) and the two outer hook chain plates (21), the inner hook chain plates (20) and the outer hook chain plates (21) are all trapezoid, the upper bottom of each trapezoid is provided with a hole, the holes of the outer hook chain plates (21) are connected with a first shaft body (13), the holes of the inner hook chain plates (20) are connected with a second shaft body (14), each dummy bar head assembly comprises a clamping hook (10) and a supporting column (11), two ends of each clamping hook (10) are in a hook shape, a first connecting hole (101) and a second connecting hole (102) are formed in the opening of each clamping hook, two ends of each supporting column (11) are provided with a third connecting hole (111) and a fourth connecting hole (112) and a third connecting hole (112) are formed in the connecting hole (12) of each connecting body and the second shaft body (12), and the first connecting hole (12) are matched with the second shaft body (12).

2. A chained dummy bar according to claim 1, characterized in that: the number of the dummy bar head assemblies is two, and the directions of the hook heads of the two dummy bar heads are opposite.

3. A chained dummy bar according to claim 1, characterized in that: a first bearing (122) is arranged between the machining pin (12) and the support column (11); two ends of the first shaft body (13) are respectively sleeved with a second bearing (131), and the periphery of the second bearing (131) is sleeved with a first sleeve (132); and the two ends of the second shaft body (14) are sleeved with third bearings (142), and the peripheries of the third bearings (142) are sleeved with second sleeves (143).

4. A chained dummy bar according to claim 3, characterized in that: the first sleeve (132) and the second sleeve (143) are respectively sleeved with a first gasket (133) and a second gasket (144), the first sleeve (132) and the first gasket (133) are fixed at two ends of the first shaft body (13) through first hexagonal screws (134), and the second sleeve (143) and the second gasket (144) are fixed at two ends of the second shaft body (14) through second hexagonal screws (145).

5. A chained dummy bar according to claim 1, characterized in that: be equipped with first bush (202) between two hook inner link plates (20), first bush (202) periphery cover is equipped with first running roller (201), first bush (202) cover is located on first round pin axle (211), first round pin axle (211) both ends cover is equipped with fourth bearing (305), fourth bearing (305) periphery cover is equipped with first running gear (212).

6. A chained dummy bar according to claim 1, characterized in that: dummy bar chain link includes second round pin axle (303) and threaded rod (32) of two interior link plates (30), two outer link plates (31) and connection two interior link plates (30) and two outer link plates (31), be equipped with second bush (302) between two interior link plates (30), second bush (302) periphery is equipped with second running roller (301), second bush (302) cover is located second round pin axle (303), second round pin axle (303) both ends cover is equipped with fourth bearing (305), fourth bearing (305) periphery cover is equipped with second running roller (304).

7. A chained dummy bar according to claim 5, characterized in that: the inner chain plate (30) and the outer chain plate are both trapezoid, a second opening is formed in the upper bottom of the trapezoid, the second opening is connected with a third shaft body (35), and the upper bottom of the trapezoid is connected with a flat plate (33) through a third hexagonal screw (34).

8. A chained dummy bar according to claim 1, characterized in that: the flat chain link comprises two flat inner chain plates (40), two flat outer chain plates (41) and fourth pin shafts (413) for connecting the two flat inner chain plates (40) and the two flat outer chain plates (41), a third bushing (402) is arranged between the two flat inner chain plates (40), a third roller (401) is arranged on the periphery of the third bushing (402), the third bushing (402) is sleeved on the fourth pin shafts (413), fifth bearings (416) are sleeved at two ends of the fourth pin shafts (413) connected with the two flat outer chain plates (41), and third traveling wheels (414) are sleeved on the periphery of the fifth bearings.

9. A chained dummy bar according to claim 1, characterized in that: the machining pin (12) is provided with a first oil nozzle (121) at one end face, and a second oil nozzle (135), a third oil nozzle (141), a fourth oil nozzle (306) and a fifth oil nozzle (411) are respectively arranged at two ends of the first shaft body (13), the second shaft body (14), the second pin shaft (303) and the fourth pin shaft (413).