CN218453687U

CN218453687U - Forged ledge middle groove

Info

Publication number: CN218453687U
Application number: CN202222722314.5U
Authority: CN
Inventors: 王瑞; 张齐; 张瑞亢; 王丹阳; 苏凌云
Original assignee: Shanxi Haogang Heavy Industry Co ltd
Current assignee: Shanxi Haogang Heavy Industry Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-07
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to the technical field of middle grooves, in particular to a forged ledge middle groove, which comprises a baffle ledge, a shovel board ledge, a middle plate and a sealing bottom plate, wherein the shovel board ledge is connected with the baffle ledge through the middle plate and the sealing bottom plate; the two ends of the M-shaped groove ledge are respectively provided with a convex end and a concave end, the convex end, the concave end and the M-shaped groove ledge are integrally forged and formed, the two ends of the M-shaped groove ledge are positioned at the inner sides of the convex end and the concave end, and concave retaining grooves are respectively formed in the inner sides of the convex end and the concave end, and dumbbell pin stop blocks are arranged in the concave retaining grooves; one end of the M-shaped groove ledge is provided with a plug board, and the other end of the M-shaped groove ledge is provided with a slot matched with the plug board. The utility model provides high holistic intensity of ledge has that the internal structure is even, and heat treatment process is stable, and mechanical properties is high, and shock resistance is high, and the wearability is good, and the surface finish is good, characteristics such as production efficiency height.

Description

Forged ledge middle groove

Technical Field

The utility model relates to a middle part groove technical field more particularly, relates to a forge ledge middle part groove.

Background

The middle groove ledge of the domestic scraper conveyor is mostly made of castings, and the cast ledge of the large scraper conveyor is heavy, large in occupied space, unstable in quality, more in air hole and sand hole, difficult to guarantee in processing technology and high in later-stage repairing cost. The abrasion resistance of the cast shovel plate is poor, the problems that the service life is guaranteed by additionally welding an abrasion-resistant layer on the upper plane of the shovel plate, the later maintenance of the cast ledge is complex and the like exist, the technical development of coal mining equipment in China is always restricted, the quality is unstable, the service life is short, and the underground intelligent and unmanned realization is difficult to guarantee.

In the prior art, the ledge manufactured by a rolling process also exists, but the process has high manufacturing cost, poor universality and flexibility, difficult realization of interchange with the existing casting ledge, complex processing and manufacturing process, and need of a plurality of welding processes to weld parts such as convex-concave ends and the like, thereby greatly increasing the manufacturing period and the production cost.

Therefore, there is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the forging ledge middle groove is uniform in internal structure, stable in heat treatment process, high in mechanical property, impact resistance, wear resistance, surface smoothness and production efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a forged ledge middle groove comprises a shovel plate ledge, a baffle ledge, a middle plate and a back cover plate, wherein the shovel plate ledge is connected with the baffle ledge through the middle plate and the back cover plate;

the two ends of the M-shaped groove ledge are respectively provided with a convex end and a concave end, the convex end, the concave end and the M-shaped groove ledge are integrally forged and formed, the two ends of the M-shaped groove ledge are positioned at the inner sides of the convex end and the concave end and are respectively provided with a concave baffle groove, and a dumbbell pin baffle is arranged in each concave baffle groove;

one end of the M-shaped groove ledge is provided with an inserting plate, and the other end of the M-shaped groove ledge is provided with an inserting groove matched with the inserting plate.

In order to reduce the friction with coal mine tunnel ground and subtract heavy, shovel board ledge includes mutual welded M type groove and shovel board, M type groove and shovel board are the forging forming, the shovel board lower extreme is provided with subtracts heavy groove, and the welding has the riser between shovel board and the M type groove.

In order to ensure the structural strength, 1/3 area of the lower end of the M-shaped groove is superposed with the shovel plate, and the other 2/3 area of the lower end of the M-shaped groove is connected with the sealing bottom plate.

In order to reduce cost, the shovel plate comprises a steel plate I, a steel plate II, a steel plate III and a steel plate IV which are sequentially welded from top to bottom, wherein the steel plate I and the steel plate IV are NM400 wear-resistant steel plates.

Further, the steel plate III can be integrated with the sealing bottom plate.

Furthermore, the area of the baffle plate backing plate is 2/3 of the bottom surface of the baffle ledge, the other 1/3 area of the lower end of the baffle ledge is welded with the sealing bottom plate, a connecting plate is arranged at the lower end of the pushing lug, and one end of the connecting plate is welded with the baffle plate backing plate.

Further, the M-shaped groove ledge is made of alloy steel materials, such as 27SiMn, 27CrNiMo or 30CrMnSi.

Furthermore, a bent plate assembly is arranged at the upper end of the baffle ledge, and a rib plate is arranged below the bent plate assembly.

Compared with the prior art, the utility model the beneficial effect who has does:

1. the utility model discloses M type groove ledge and pass ear all adopt the forging process preparation, have improved the holistic intensity of ledge, it is even to have an internal organization, and heat treatment process is stable, and mechanical properties is high, and shock resistance is high, and the wearability is good, and surface finish is good, characteristics such as production efficiency height, protruding, the concave end of M type ledge and M type groove ledge are whole to be forged out, and intensity is high, and the preparation time limit for a project is short, and is longe-lived.

2. The bottom surface of the forging shovel plate can be additionally provided with a weight reduction groove, so that the friction with the ground of a coal mine roadway can be reduced, and the weight reduction effect can be realized on the premise of ensuring the sufficient strength of the upper plane.

3. The utility model discloses the connecting plate of advancing ear lower limit is unloading alone and back cover plate butt welding, but material saving.

4. The utility model discloses the shovel board still can adopt the steel sheet to splice and weld, and upper strata and lower floor's steel sheet adopt wear-resisting material, and middle steel sheet can adopt ordinary steel sheet, conveniently restores when reducing the cost.

Drawings

The following will explain in further detail embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram a of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a shovel plate ledge in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram b of embodiment 1 of the present invention;

fig. 4 is a schematic structural view of embodiment 2 of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention.

In the figure: 10-baffle ledge, 11-M-shaped groove ledge, 111-convex end, 112-concave end, 113-concave baffle groove, 114-dumbbell pin stop, 115-plug plate, 116-slot, 12-push lug, 13-connecting plate, 14-baffle pad, 15-bent plate assembly, 16-rib plate, 20-shovel ledge, 21-M-shaped groove, 22-shovel plate, 221-weight-reducing groove, 23-vertical plate, 24-steel plate IV, 25-steel plate I, 26-steel plate II, 27-steel plate III, 30-middle plate and 40-sealing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1 to 3, a forged ledge middle groove comprises a baffle ledge 10, a shovel ledge 20, a middle plate 30, a back cover plate 40 and a bent plate assembly 15, wherein the shovel ledge 20 is connected with the baffle ledge 10 through the middle plate 30 and the back cover plate 40, the bent plate assembly 15 is arranged at the upper end of the baffle ledge 10, a rib plate 16 is arranged below the bent plate assembly 15 and used for supporting a rail seat, the baffle ledge 10 comprises an M-shaped groove ledge 11, a pushing lug 12 and a baffle plate backing plate 14, the M-shaped groove ledge 11 and the pushing lug 12 are both manufactured in a forging mode, the pushing lug 12 is welded at the middle of the outer side of the baffle ledge 20, a connecting plate 13 is arranged at the lower end of the pushing lug 12, one end of the connecting plate 13 is welded with the baffle plate backing plate 14, and by separately arranging the connecting plate 13, the width of the baffle plate backing plate 14 can be reduced, and materials can be saved.

The two ends of the M-shaped groove ledge 11 are respectively provided with a convex end 111 and a concave end 112, and the convex end 111, the concave end 112 and the M-shaped groove ledge 11 are integrally forged and formed, so that the later welding process is reduced, and the production period is shortened. The two ends of the M-shaped groove ledge 11 are located at the inner sides of the convex end 111 and the concave end 112, and are provided with concave retaining grooves 113 for placing dumbbell pins, and dumbbell pin stoppers 114 are arranged in the concave retaining grooves 113.

An inserting plate 115 is arranged at one end of the M-shaped groove ledge 11, a slot 116 matched with the inserting plate 115 is arranged at the other end of the M-shaped groove ledge 11, and the inserting plate 115 of the adjacent middle groove is inserted into the slot 116 during assembly, so that the assembly precision is improved, and coal leakage at the position is prevented.

The baffle plate backing plate 14 is arranged at the lower end of the baffle ledge 10, 2/3 of the bottom surface of the baffle ledge 10 is overlapped with the baffle plate backing plate 14, the other 1/3 of the bottom surface of the baffle ledge 10 is in contact with the sealing bottom plate 40, and the baffle plate backing plate 14 is made of common steel plates, so that the cost is reduced on the basis of meeting the use requirements.

Shovel ledge 20 includes M type groove 21, shovel 22, riser 23 of mutual welding, M type groove 21, shovel 22 are the forging forming, and shovel 22 lower extreme is provided with subtracts heavy groove 221, through setting up subtract heavy groove 211, both can reduce the friction with the coal mine tunnel bottom surface, can play the effect of subtracting heavy again on the basis of the enough intensity in upper plane, and riser 23 welds between shovel 22 and M type groove 21, guarantees the straightness that hangs down of shovel and shovel ledge, plays the supporting role simultaneously, prevents that the slope of shovel ledge from opening the welding in the use.

1/3 area of the lower end of the M-shaped groove 21 is overlapped with the shovel plate 22 and welded in a staggered mode, the other 2/3 area of the lower end of the M-shaped groove 21 is connected with the sealing bottom plate 40, and the ledge 11 of the M-shaped groove is made of alloy steel, preferably 27SiMn, 27CrNiMo and 30CrMnSi.

The utility model provides a baffle ledge 10, shovel board ledge 20 all can exchange with current casting baffle ledge, casting shovel board ledge.

Example 2:

as shown in fig. 4, the forged ledge middle trough in the present embodiment is different from that in embodiment 1 in that the structure of the shovel plate is different, the shovel plate 22 includes a steel plate i 25, a steel plate ii 26, a steel plate iii 27, and a steel plate iv 24 which are welded in sequence from top to bottom, the steel plate i 25 needs to be in direct contact with a supporting sliding shoe, and the steel plate iv 24 needs to ensure that all coals on the roadway floor can be shoveled into the equipment and finally transported to a designated area, so the steel plate i 25 and the steel plate iv 24 are NM400 wear-resistant steel plates, the steel plate ii 26 and the steel plate iii 27 are common steel plates, which can save material cost, and when the steel plate i 25 or the steel plate iv 24 is seriously worn, the new welding can be cut off.

Example 3:

a forged ledge center channel as shown in FIG. 5, this example differs from example 2 in that: the sealing bottom plate 40 is a large plate, the baffle ledge and the shovel plate ledge are both arranged on the sealing bottom plate 40, meanwhile, the sealing bottom plate 40 is used for replacing a steel plate III 27, and a steel plate II 26 and a steel plate IV 24 are respectively welded on the upper side and the lower side of the sealing bottom plate 40.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims

1. The utility model provides a forge ledge middle part groove, includes baffle ledge (10), shovel board ledge (20), medium plate (30) and back cover board (40), is connected its characterized in that through medium plate (30) and back cover board (40) between shovel board ledge (20) and baffle ledge (10): the baffle ledge (10) comprises an M-shaped groove ledge (11), a pushing lug (12) and a baffle plate base plate (14), and the pushing lug (12) and the baffle plate base plate (14) are respectively welded with the M-shaped groove ledge (11);

a convex end (111) and a concave end (112) are respectively arranged at two ends of the M-shaped groove ledge (11), the convex end (111), the concave end (112) and the M-shaped groove ledge (11) are integrally forged and formed, concave baffle grooves (113) are respectively arranged at two ends of the M-shaped groove ledge (11) and positioned at the inner sides of the convex end (111) and the concave end (112), and dumbbell pin baffle blocks (114) are arranged in the concave baffle grooves (113);

one end of the M-shaped groove ledge (11) is provided with an inserting plate (115), and the other end of the M-shaped groove ledge is provided with a slot (116) matched with the inserting plate (115).

2. A forged ledge tundish according to claim 1 wherein: the shovel board ledge (20) comprises an M-shaped groove (21) and a shovel board (22) which are welded with each other, the M-shaped groove (21) and the shovel board (22) are both formed by forging, a weight reducing groove (221) is formed in the lower end of the shovel board (22), and a vertical board (23) is welded between the shovel board (22) and the M-shaped groove (21).

3. A forged ledge tundish according to claim 2 wherein: and 1/3 area of the lower end of the M-shaped groove (21) is superposed with the shovel plate (22), and the other 2/3 area of the lower end of the M-shaped groove (21) is connected with the bottom sealing plate (40).

4. A forged ledge tundish according to claim 1 wherein: shovel board (22) are including from last to down welded steel sheet I (25), steel sheet II (26), steel sheet III (27), steel sheet IV (24) in proper order, steel sheet I (25), steel sheet IV (24) material are NM400 wear-resisting steel sheet.

5. A forged ledge tundish according to claim 4 wherein: the steel plate III (27) and the bottom sealing plate (40) are integrated.

6. A forged ledge tundish according to claim 1 wherein: the area of the baffle plate backing plate (14) is 2/3 of the bottom surface of the baffle ledge (10), the other 1/3 area of the lower end of the baffle ledge (10) is welded with the sealing bottom plate (40), the lower end of the pushing lug (12) is provided with a connecting plate (13), and one end of the connecting plate (13) is welded with the baffle plate backing plate (14).

7. A forged ledge tundish according to claim 1 wherein: the M-shaped groove ledge (11) is made of alloy steel.

8. The forged ledge mid channel of claim 1, wherein: the upper end of the baffle ledge is provided with a bent plate assembly (15), and a rib plate (16) is arranged below the bent plate assembly (15).