CN215325056U - Tail roller assembly of scraper conveyor - Google Patents

Abstract

The utility model discloses a tail roller assembly of a scraper conveyor, and relates to the field of underground equipment; the mounting seat comprises side plates which are in running fit with two ends of the tail roller, the side plates are mounted on the machine body side plates on two sides of the machine body, the side plates are detachably fixed with the machine body side plates through the fixing parts, and the height of the side plates and the length of the side plates along the length direction of the machine body are larger than the maximum diameter of the roller; the mounting seat also comprises an upper pressing plate and a lower pressing plate, the upper pressing plate is fixed with the upper part of the side plate of the machine body, and the lower pressing plate is fixed with the lower part of the side plate of the machine body; the side plates are provided with assembly grooves along the length direction of the machine body, rotating shafts at two ends of the tail roller are rotationally limited in the assembly grooves, and limiting plates are fixed on the outer sides of the side plates at two sides of the rotating shafts; the utility model provides a component capable of quickly and safely disassembling the tail roller of the scraper conveyor in multiple modes, thereby avoiding the safety problem caused by the disassembly and the assembly of the tail roller of the scraper conveyor.

Description

Tail roller assembly of scraper conveyor

Technical Field

The utility model relates to the field of underground equipment, in particular to a tail roller assembly of a scraper conveyor.

Background

The scraper conveyor is a continuous action type conveying machine taking a flexible body as a traction mechanism, is mainly used for a long-wall coal face, is the only conveying equipment of the existing long-wall coal face, and mainly bears the coal conveying task; at present, the domestic scraper conveyor mainly comprises a transmission device, a groove body, a tail, a scraper chain and the like, wherein the scraper chain respectively bypasses a chain wheel component of a machine head and a roller of the tail to enable the scraper chain on the upper layer and the scraper chain on the lower layer to form a closed loop, and the roller of the tail is one of important components of the whole system.

Traditional scraper conveyor tail part includes fuselage curb plate, tail cylinder, curb plate assembly groove and limiting plate, during the use, places the tail cylinder in the curb plate assembly groove of fuselage curb plate along with fuselage length direction, and reuse limiting plate and bolt are fixed the tail cylinder, and during the dismantlement, tear the limiting plate earlier, shift out the tail cylinder along fuselage length direction again.

When special conditions are met in an underground field, when foreign matters which are difficult to move exist in the length direction of a machine body, the disassembly of a machine tail roller is difficult due to insufficient operation space, if the machine tail roller is required to be disassembled, a barrier in the length direction of the machine body needs to be moved firstly or components adjacent to the machine tail need to be disassembled in a matched mode to vacate space for disassembling the machine tail roller, and therefore a large amount of extra manpower, material resources and time input can be generated.

Therefore, the conventional dismounting structure of the tail drum has application limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of how to avoid the safety problem caused by the disassembly and assembly of a tail roller of a scraper conveyor.

In order to solve the technical problems, the utility model provides the following technical scheme:

a tail roller assembly of a scraper conveyor comprises a tail roller, a mounting seat and a fixing piece; the mounting seat comprises side plates which are in running fit with two ends of the tail roller, the two side plates are mounted on the machine body side plates on two sides of the machine body, and the side plates are detachably fixed with the machine body side plates through the fixing pieces; the height of the side plate and the length along the length direction of the machine body are larger than the maximum diameter of the tail roller.

The side plates and the tail rollers mounted on the side plates can be easily mounted or dismounted along the width direction of the machine body when the height of the side plates and the length along the length direction of the machine body are larger than the maximum diameter of the tail rollers.

Preferably, the mounting seat further comprises a pressure plate assembly, wherein the pressure plate assembly comprises an upper pressure plate and a lower pressure plate; the upper pressing plate is fixed to the upper portion of the side plate of the machine body, and the lower pressing plate is fixed to the lower portion of the side plate of the machine body.

Preferably, the mounting includes screw rod, first installation ear and second installation ear, first installation ear is fixed the curb plate outside, the second installation ear is fixed the fuselage curb plate outside, the screw rod passes in proper order and fixes first installation ear with on the second installation ear.

The pressing plate assembly and the fixing piece fix the side plate of the machine body together.

Preferably, the side plate is provided with an assembly groove along the length direction of the machine body, and rotating shafts at two ends of the tail roller are rotatably limited in the assembly groove.

Preferably, the outer side of the side plate is positioned at two sides of the rotating shaft and is fixed with a limiting plate.

Preferably, the mounting base further comprises a guide strip, the guide strip is mounted on the side plate, and the guide strip is fixed with the upper pressing plate.

When the operable space between one side of the side plate of the machine body along the width direction of the machine body and the coal wall is small, the arrangement of the guide strip enables the machine tail roller to be installed and removed from the other side along the width direction of the machine body.

Preferably, the side plates, the mounting seats, the fixing pieces and the limiting plates of the fuselage comprise two groups of same structures, and are symmetrically distributed on the bottom plate along the central axis of the length direction of the fuselage.

Therefore, the utility model has the advantages that:

1. the tail roller assembly of the scraper conveyor, which is manufactured by the utility model, can also enable the tail roller to move along the width direction of the machine body on the basis of ensuring that the tail roller still has the original performance, so that the tail roller is convenient to disassemble and assemble, the difficulty of equipment maintenance is reduced, and the application range of the tail roller is expanded;

2. and (5) an upper pressing plate. The structure that the lower pressing plate and the side plate are matched with each other is a positioning reference of the tail roller in the width direction of the machine body, and meanwhile, the upper pressing plate is arranged. The structure that the lower pressing plate is matched with the side plate also ensures the structural strength of the tail roller along the width direction of the machine body;

3. the arrangement of the guide strips enables the tail roller to be installed and removed from the other side in the width direction of the machine body when the operable space between one side of the side plate of the machine body in the width direction of the machine body and the coal wall is small, and further the application range of the tail roller is expanded.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a right-side view structure diagram according to a first embodiment of the present invention;

FIG. 3 is a schematic perspective view of a side panel of the fuselage according to an embodiment of the utility model;

FIG. 4 is a schematic perspective view of an upper platen according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2A according to one embodiment of the present invention;

FIG. 6 is a schematic perspective view of a lower platen according to an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 2B according to one embodiment of the present invention;

fig. 8 is a schematic perspective view of a movable side plate according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a second embodiment of the present invention;

FIG. 10 is a right side view structural diagram of a second embodiment of the present invention;

FIG. 11 is an enlarged, fragmentary view of FIG. 10C according to a second embodiment of the present invention;

FIG. 12 is a schematic perspective view of a side panel of the fuselage according to a second embodiment of the present invention;

FIG. 13 is a schematic perspective view of an upper platen according to a second embodiment of the present invention;

fig. 14 is a schematic perspective view of a guide bar according to a second embodiment of the present invention.

The reference numbers in the figures illustrate: 1. a base plate; 2. a fuselage side panel; 3. a mounting seat; 31. a movable side plate; 32. an upper pressure plate; 33. a lower pressing plate; 34. a guide strip; 4. a tail drum; 5. a fixing member; 51. a screw; 52. a first mounting ear; 53. a third mounting ear; 6. a limiting plate; 7. a body side panel slot; 8. a first upper guide groove; 9. a lower guide groove; 10. assembling a groove; 11. a second upper guide groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.

The first embodiment is as follows:

referring to fig. 1, the utility model discloses a tail roller assembly of a scraper conveyor, which comprises a bottom plate 1, a body side plate 2, a mounting seat 3, a tail roller 4, a fixing piece 5 and a limiting plate 6.

Referring to fig. 1 and 2, the side plates 2 of the machine body, the mounting seat 3, the fixing member 5 and the limiting plate 6 have two groups of same structures and are symmetrically distributed on the bottom plate 1, the symmetric axis is a central axis of the bottom plate 1 along the length direction of the machine body (not shown), and the distance between the side plates 2 of the machine body on the two sides is slightly wider than the length of the tail drum 4, mainly considering that dust, mud and the like are easy to fall between the tail drum 4 and the side plates 2 of the machine body when the machine body works underground.

Referring to fig. 1, 2 and 3, a bottom plate 1 is horizontally placed on a working plane, and a side plate 2 of a fuselage is vertically fixed on the bottom plate 1 by welding or bolts; set up fuselage curb plate groove 7 on the fuselage curb plate 2 along fuselage length direction, 7 opening directions in fuselage curb plate groove are terminal towards the tail, and the height in fuselage curb plate groove 7 and the length along fuselage length direction are greater than the maximum diameter of tail cylinder 3, and top surface and lower bottom surface all are the step form in the fuselage curb plate groove 7.

Referring to fig. 1, 2, 4 and 5, the mounting base 3 includes a movable side plate 31, an upper pressing plate 32 and a lower pressing plate 33; the cross section of the upper press plate 32 is L-shaped, a row of through holes (not shown) are formed in the upper portion of the upper press plate 32, a row of through holes (not shown) are also formed in the upper portion of the machine body side plate 2, the upper press plate 32 and the machine body side plate 2 are fixedly connected together through the through holes and bolts, the lower portion of the upper press plate 32 is step-shaped, and at the moment, a first upper guide groove 8 is formed between the upper press plate 32 and the machine body side plate 2.

Referring to fig. 1, 2, 6 and 7, the cross section of the lower pressing plate 33 is "L" shaped, the lower portion of the lower pressing plate 33 has a row of through holes (not shown), the lower portion of the side plate 2 has a row of through holes (not shown), the lower pressing plate 33 and the side plate 2 are fixedly connected together through the through holes and bolts, the upper portion of the lower pressing plate 33 is stepped, and the lower guide groove 9 is formed between the lower pressing plate 33 and the side plate 2.

Referring to fig. 1, 2 and 8, the upper end and the lower end of the movable side plate 31 are respectively provided with a sliding key (not shown), two sliding keys on the movable side plate 31 are respectively slidably mounted in the first upper guide groove 8 and the lower guide groove 9, the movable side plate 31 is detachably mounted on the machine body side plate 2 in a sliding manner along the length direction of the machine body, at this time, the first upper guide groove 8 and the lower guide groove 9 play a positioning reference role along the width direction of the machine body, and the structural strength of the machine tail roller 4 is ensured when the machine tail roller is transversely stressed; meanwhile, the two sliding keys on the movable side plate 31 are not completely and tightly contacted with the first upper guide groove 8 and the lower guide groove 9, and the smooth sliding of the movable side plate 31 in the first upper guide groove 8 and the lower guide groove 9 is further ensured mainly in consideration of the working environment of the underground working device.

Referring to fig. 1, the fixing member 5 includes a screw 51, a first mounting lug 52 and a second mounting lug 53, the first mounting lug 52 is fixed on the outer side of the movable side plate 31, the second mounting lug 53 is fixed on the outer side of the body side plate 2, the screw 51 sequentially passes through and is fixed on the first mounting lug 52 and the second mounting lug 53, and the movable side plate 31 is detachably fixed with the body side plate 2 through the fixing member 5.

Referring to fig. 1, 2 and 8, the movable side plate 31 is provided with an assembly groove 10 along the length direction of the machine body, the rotating shafts (not shown) at two ends of the tail roller 4 rotate in the assembly groove 10, the opening of the assembly groove 10 faces the tail end, and two limiting plates 6 are fixed at two sides of the rotating shafts at the outer side of the movable side plate 31.

The working principle is as follows:

the utility model discloses a tail roller assembly of a scraper conveyor, which mainly comprises two disassembling and assembling methods in the embodiment:

the first disassembly and assembly method is a longitudinal disassembly and assembly method, mainly aiming at the situation that two sides of the body in the width direction are blocked when the device is used; during assembly, the upper part of the upper pressure plate 32 is fixedly connected with the upper part of the machine body side plate 2 through a bolt and a through hole to form a first upper guide groove 8, then the lower part of the lower pressure plate 33 is fixedly connected with the lower part of the machine body side plate 2 through a bolt and a through hole to form a lower guide groove 9, and two sliding keys on the movable side plate 31 are respectively installed in the first upper guide groove 8 and the lower guide groove 9 in a sliding mode along the length direction of the machine body; then fixing the first mounting lug 52 on the outer side of the movable side plate 31, fixing the second mounting lug 53 on the outer side of the side plate 2 of the fuselage, and sequentially penetrating and fixing the screw 51 on the first mounting lug 52 and the second mounting lug 53; the movable side plate 31 is provided with an assembly groove 10 with an opening facing the tail end, then rotating shafts at two ends of the tail roller 4 along the length direction of the machine body are rotatably arranged in the assembly groove 10, and finally the outer side of the movable side plate 31 is located on two sides of the rotating shaft to fix the limiting plates 6, so that assembly is completed.

The steps are reversed when disassembling.

The second disassembly and assembly method is a transverse disassembly and assembly method, mainly aiming at the situation that the body length direction is blocked when in use; during assembly, firstly, the tail roller 4 is inserted from the side plate groove 7 of the machine body on one side along the width direction of the machine body, the tail roller 4 is arranged between the side plates 2 of the machine body on two sides, the movable side plates 31 are rotatably arranged on the rotating shafts at two ends of the tail roller 4, and the assembly grooves 10 on the movable side plates 31 are connected with the rotating shafts; then the upper part of the upper pressure plate 32 is fixedly connected with the upper part of the side plate 2 of the machine body through a bolt and a through hole, and further a sliding key at the upper end of the movable side plate 31 is fixed in a first upper guide groove 8 formed by the upper pressure plate 32 and the side plate 31 of the machine body in a sliding manner; meanwhile, the lower part of the lower pressing plate 33 is fixedly connected with the lower part of the side plate 2 of the machine body through a bolt and a through hole, so that a sliding key at the lower end of the movable side plate 31 is fixed in a lower guide groove 9 formed by the lower pressing plate 33 and the side plate 31 of the machine body in a sliding manner; then fixing the first mounting lug 52 on the outer side of the movable side plate 31, fixing the second mounting lug 53 on the outer side of the side plate 2 of the fuselage, and sequentially penetrating and fixing the screw 51 on the first mounting lug 52 and the second mounting lug 53; finally, the limiting plates 6 are fixed on the two sides of the rotating shaft on the outer sides of the movable side plates 31, and the assembly is completed.

The steps are reversed when disassembling.

Example two:

the structure is the same as that of the embodiment except that the structure of the side plate 2 and the upper press plate 32 of the machine body is changed and the guide strip 34 is added.

Referring to fig. 9, 10, 11 and 12, in the present embodiment, the upper top surface of the fuselage side panel slot 7 is a smooth plane, the lower bottom surface is stepped, and the shortest distance between the upper top surface and the lower bottom surface of the fuselage side panel slot 7 is greater than the height of the movable side panel 31.

Referring to fig. 9, 10, 11 and 13, the cross section of the upper press plate 32 is "L" shaped, two rows of through holes (not shown) are formed at the upper and lower portions of the upper press plate 32, a row of through holes (not shown) is also formed at the upper portion of the side plate 2, and the upper portion of the upper press plate 32 and the side plate 2 are fixedly connected together through the through holes and bolts.

Referring to fig. 9, 10, 11 and 14, the cross section of the guide bar 34 is in an inverted concave shape, the upper top surface of the guide bar 34 is in close contact with the upper top surface in the side plate groove 7 of the machine body, one side of the guide bar 34 is provided with a row of through holes (not shown), the lower parts of the guide bar 34 and the upper press plate 32 are fixedly connected together through the through holes and bolts, and the groove of the guide bar 34 is the second upper guide groove 11.

The working principle is as follows:

in this embodiment, not only two dismounting methods in the first embodiment can be implemented, but also a third dismounting method can be implemented:

the third dismounting method is also a transverse dismounting method, mainly aiming at the situation that when in use, the body is blocked in the length direction, and a small operation space is left between the body side plate 2 on one side in the width direction of the body and the coal wall, but the left operation space is not enough to support an operator to stand in the operation space and operate; during assembly, firstly, a rotating shaft at one end of the tail roller 4 is installed on a movable side plate 31 at one side, limiting plates 6 are installed on the movable side plate 31 at the side and positioned at two sides of the rotating shaft, and the tail roller 4, the movable side plate 31 and the limiting plates 6 are moved into a machine body side plate groove 7 at the side from the other side along the width direction of a machine body together; then an operator installs the guide strip 34 into the sliding key at the upper end of the movable side plate 31 from the upper end of the body, the operator fixes the upper pressing plate 32 and the lower pressing plate 33 with the upper end and the lower end of the movable side plate 31 from the inner side of the body side plate 2, meanwhile, the operator fixes the first mounting lug 52 at the outer side of the movable side plate 31, the second mounting lug 53 at the outer side of the body side plate 2, and the screw 51 sequentially passes through and is fixed on the first mounting lug 52 and the second mounting lug 53; next, the operator fixes the upper platen 32 and the guide bar 34 together by using the space left between the side panel 2 of the side body and the coal wall; and finally, sleeving a rotating shaft on the other side of the tail roller 4 into the movable side plate 31, sleeving a guide strip 34 on a sliding key at the upper end of the movable side plate 31, fixedly connecting an upper pressure plate 32 with the machine body side plate 2 and the guide strip 34, fixedly connecting a lower pressure plate 33 with the machine body side plate 2, and installing the limiting plates 6 on two sides of the rotating shaft on the outer side of the movable side plate 2 on the other side, wherein the assembly is completed at the moment.

The steps are reversed when disassembling.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a scraper conveyor tail cylinder assembly which characterized in that: comprises a tail roller (4), a mounting seat (3) and a fixing piece (5); the mounting seat (3) comprises side plates which are in running fit with two ends of the tail roller (4), the two side plates are mounted on the machine body side plates (2) on two sides of the machine body, and the side plates are detachably fixed with the machine body side plates (2) through the fixing pieces (5); the height of the side plate and the length along the length direction of the machine body are larger than the maximum diameter of the tail roller (4).

2. The tail roller assembly of a scraper conveyor as in claim 1, wherein: the mounting seat (3) further comprises a pressure plate assembly, and the pressure plate assembly comprises an upper pressure plate (32) and a lower pressure plate (33); the upper pressing plate (32) is fixed to the upper portion of the machine body side plate (2), and the lower pressing plate (33) is fixed to the lower portion of the machine body side plate (2).

3. The tail roller assembly of a scraper conveyor as in claim 1, wherein: fixing piece (5) include screw rod (51), first installation ear (52) and second installation ear (53), first installation ear (52) are fixed the curb plate outside, second installation ear (53) are fixed fuselage curb plate (2) outside, screw rod (51) pass in proper order and fix first installation ear (52) with on second installation ear (53).

4. The tail roller assembly of a scraper conveyor as in claim 1, wherein: the side plates are provided with assembling grooves (10) along the length direction of the machine body, and rotating shafts at two ends of the tail roller (4) are rotationally limited in the assembling grooves (10).

5. The tail roller assembly of a scraper conveyor as in claim 4, wherein: limiting plates (6) are fixed on the outer sides of the side plates and positioned on the two sides of the rotating shaft.

6. The tail roller assembly of a scraper conveyor as claimed in claim 2, wherein: the mounting seat (3) further comprises a guide strip (34), the guide strip (34) is mounted on the side plate, and the guide strip (34) is fixed with the upper pressing plate (32).

7. The tail roller assembly of a scraper conveyor as claimed in any one of claims 1-6, wherein: fuselage curb plate (2), mount pad (3), mounting (5) and limiting plate (6) contain two sets of structures the same, and along fuselage length direction's central axis symmetric distribution on bottom plate (1).

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