CN211573514U - Dustproof sealing device for cutting head of heading machine - Google Patents

Dustproof sealing device for cutting head of heading machine Download PDF

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Publication number
CN211573514U
CN211573514U CN202020057131.4U CN202020057131U CN211573514U CN 211573514 U CN211573514 U CN 211573514U CN 202020057131 U CN202020057131 U CN 202020057131U CN 211573514 U CN211573514 U CN 211573514U
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China
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section
dust collecting
dust
groove
mounting
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CN202020057131.4U
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Chinese (zh)
Inventor
李晓宁
张站民
周恒博
巩孔正
卢团部
张星
李军
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Xian Coal Mining Machinery Co Ltd
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Xian Coal Mining Machinery Co Ltd
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Abstract

The utility model discloses a dustproof sealing device for a cutting head of a development machine, which comprises a dust collecting mechanism arranged on a cantilever section at the rear end of the cutting head and a sealing ring arranged at the end part of the dust collecting mechanism for plugging the dust collecting mechanism; the dust collecting mechanism comprises a fixed section, a dust collecting section and a sealing section which are sequentially connected from left to right, a cleaning groove is formed in the outer surface of the dust collecting section and is an arc-shaped groove, a cover plate is arranged on the cleaning groove and is an arc-shaped cover plate, and the outer diameter of the cover plate is equal to that of the dust collecting section. The utility model discloses a set up the collection dirt mechanism on cutterhead rear end cantilever section, can collect the inside dust of cutterhead about to entering into, prevent that the dust from getting into the cutterhead inside, cause the damage to the cutterhead, utilize the sealing ring of installing at album dirt mechanism tip, carry out the shutoff to album dirt mechanism on the one hand and prevent that the dust from getting into album dirt mechanism, on the other hand plays certain dustproof effect, and is dustproof effectual, convenient to install dismantles.

Description

Dustproof sealing device for cutting head of heading machine
Technical Field
The utility model belongs to the technical field of colliery entry driving machine equipment, especially, relate to a dustproof sealing device for entry driving machine cutterhead.
Background
The cantilever type heading machine is a machine used for underground operation of a coal mine, has higher requirements on the heading machine due to severe underground working conditions, and particularly gradually increases the requirements on the mining quantity of the mine on the background of high yield and high efficiency, so that the propelling speed of a fully mechanized mining face is gradually increased. In order to meet the requirement of quick tunneling of a fully mechanized excavation face, the reliability of a cutting mechanism which participates in direct coal rock crushing of the tunneling machine plays an important role in the performance of the whole machine. The cutting mechanism is an important part in the heading machine, and is required to cut and break coal, but in a special underground environment, the cutting mechanism is damaged due to frequent movement and easy influence of external dust. The main damage reason is caused by external dust directly entering the mechanism through the gap at the rear end of the cutting head; in addition, the underground condition limitation and the self structure constraint are added, and the replacement and damage of cutting internal elements are not easy to realize and finish; and most cantilever type entry driving machine's cutting mechanism cantilever section is connected the fastening back with the cutterhead, and certain clearance all is left to the cutterhead rear end, and this gap can make during external dust gets into cutting mechanism, constructs into the damage to the cutterhead, consequently provides a dustproof sealing device in order to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, a dustproof sealing device for entry driving machine cutterhead is provided, through setting up the collection dirt mechanism on cutterhead rear end cantilever section, can collect the inside dust that is about to enter into the cutterhead, prevent that the dust from getting into inside the cutterhead, cause the damage to the cutterhead, utilize the sealing ring of installing at collection dirt mechanism tip, on the one hand, carry out the shutoff to collection dirt mechanism and prevent that the dust from getting into collection dirt mechanism, on the other hand plays certain dustproof effect, dustproof effectual, convenient to install and dismantle.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a entry driving machine is dustproof sealing device for cutterhead which characterized in that: the cutting head comprises a dust collecting mechanism arranged on a cantilever section at the rear end of the cutting head and a sealing ring which is arranged at the end part of the dust collecting mechanism and used for plugging the dust collecting mechanism;
the dust collecting mechanism comprises a fixed section, a dust collecting section and a sealing section which are sequentially connected from left to right, the fixed section, the dust collecting section and the sealing section are all of cylindrical structures, the outer diameter of the fixed section is larger than that of the dust collecting section, the outer diameter of the dust collecting section is equal to that of the sealing section, and the fixed section, the dust collecting section and the sealing section are processed and manufactured into a whole;
the fixing section and the dust collecting section are both hollow structures, and the fixing section is fixedly connected with the cutting head through a fastening screw; the dust collecting device comprises a dust collecting section, a dust collecting section and a cover plate, wherein the outer surface of the dust collecting section is provided with a cleaning groove, the cleaning groove is an arc-shaped groove, the width of the cleaning groove is equal to the height of the dust collecting section, the cleaning groove is communicated with the inside of the dust collecting section, the cleaning groove is provided with the cover plate, the cover plate is fixedly connected with the dust collecting section into a whole through a mounting screw, the cover plate is an arc-shaped cover plate, and the outer diameter of the cover plate is equal to the outer diameter of the dust collecting section;
the sealing section is inside to be kept away from the first mounting groove that supplies the sealing ring installation is seted up to one side of collection dirt section, the sealing section is inside to be close to one side of collection dirt section has been seted up and has been clamped the groove, first mounting groove with clamp the groove and be linked together, first mounting groove is the ladder groove, first mounting groove is circular with the longitudinal section that clamps the groove, the internal diameter that clamps the groove is less than the path bore diameter of first mounting groove.
Foretell entry driving machine is dustproof sealing device for cutterhead, its characterized in that: the fixing section is provided with first mounting holes for the fastening screws to pass through, and the first mounting holes are uniformly distributed along the circumferential direction of the fixing section.
Foretell entry driving machine is dustproof sealing device for cutterhead, its characterized in that: a first cushion block is arranged between the fixed section and the cutting head, a second mounting groove for mounting the first cushion block is formed in the fixed section, and the second mounting groove is formed in one side close to the cutting head.
Foretell entry driving machine is dustproof sealing device for cutterhead, its characterized in that: and a rib plate is arranged in the middle of the cleaning groove, the rib plate is arranged along the height direction of the dust collecting section, and a second mounting hole for mounting the mounting screw is formed in the rib plate.
Foretell entry driving machine is dustproof sealing device for cutterhead, its characterized in that: keep away from in the first mounting groove one side of collection dirt section is provided with the packing ring, sealing ring and packing ring pass through set screw with sealing section fixed connection is as an organic whole.
Foretell entry driving machine is dustproof sealing device for cutterhead, its characterized in that: and a second cushion block is arranged between the sealing ring and the cantilever section.
Foretell entry driving machine is dustproof sealing device for cutterhead, its characterized in that: and a dustproof ring is arranged between the sealing ring and the gasket.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up the collection dirt mechanism on cutterhead rear end cantilever section, can collect the inside dust of cutterhead about to entering into, prevent that the dust from getting into the cutterhead inside, cause the damage to the cutterhead, utilize the sealing ring of installing at album dirt mechanism tip, carry out the shutoff to album dirt mechanism on the one hand and prevent that the dust from getting into album dirt mechanism, on the other hand plays certain dustproof effect, and is dustproof effectual, convenient to install dismantles.
2. The utility model discloses seted up the clearance groove on the surface of well collection dirt section, the clearance groove is the arc wall, and the inside intercommunication of clearance groove and collection dirt section utilizes the clearance groove to clear up the dust of piling up in collection dirt section, has avoided loaded down with trivial details dismantlement work, can regularly clear up the dust, plays the guard action to the cutterhead.
3. The utility model discloses be provided with the apron on the well clearance groove, the apron is as an organic whole through mounting screw and collection dirt section fixed connection, utilizes the apron to carry out the shutoff to the clearance groove, both can prevent to enter into the dust of collection dirt section and spill from the notch in clearance groove, can accomplish the clearance to dust in the collection dirt section to the dismantlement of apron simultaneously, is convenient for disassemble the change, has prolonged the utility model discloses a life.
To sum up, the utility model discloses a set up the collection dirt mechanism on cutterhead rear end cantilever section, can collect the inside dust of cutterhead that will be about to enter into, prevent that the dust from getting into the cutterhead inside, cause the damage to the cutterhead, utilize the sealing ring of installing at album dirt mechanism tip, carry out the shutoff to collection dirt mechanism on the one hand and prevent that the dust from getting into album dirt mechanism, on the other hand plays certain dustproof effect, and is dustproof effectual, convenient to install and dismantle.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a usage state diagram of the present invention.
Fig. 2 is a perspective view of the dust collecting mechanism of the present invention.
Fig. 3 is a longitudinal sectional view of the dust collecting mechanism of the present invention.
Description of reference numerals:
1-a cutting head; 2-cantilever section; 3-1-fixed section;
3-1-a first mounting hole; 3-1-2-a second mounting groove; 3-2-dust collecting section;
3-2-1-cleaning tank; 3-sealing section; 3-3-1-a first mounting groove;
3-3-2-clamping groove; 4, sealing rings; 5-a gasket;
6, covering a plate; 7-a second cushion block; 8, a dustproof ring;
9-fastening screws; 10-mounting screws; 11-a set screw;
12-rib plate; 12-1 — a second mounting hole; 13 — a first cushion block;
14-third mounting hole.
Detailed Description
As shown in fig. 1, the utility model comprises a dust collecting mechanism arranged on a cantilever section 2 at the rear end of a cutting head 1 and a sealing ring 4 arranged at the end part of the dust collecting mechanism for plugging the dust collecting mechanism;
the dust collecting mechanism comprises a fixed section 3-1, a dust collecting section 3-2 and a sealing section 3-3 which are sequentially connected from left to right, the fixed section 3-1, the dust collecting section 3-2 and the sealing section 3-3 are all cylindrical structures, the outer diameter of the fixed section 3-1 is larger than that of the dust collecting section 3-2, the outer diameter of the dust collecting section 3-2 is equal to that of the sealing section 3-3, and the fixed section 3-1, the dust collecting section 3-2 and the sealing section 3-3 are processed and manufactured into a whole;
the fixing section 3-1 and the dust collecting section 3-2 are both hollow structures, and the fixing section 3-1 is fixedly connected with the cutting head 1 through a fastening screw 9; the outer surface of the dust collecting section 3-2 is provided with a cleaning groove 3-2-1, the cleaning groove 3-2-1 is an arc-shaped groove, the width of the cleaning groove 3-2-1 is equal to the height of the dust collecting section 3-2, the cleaning groove 3-2-1 is communicated with the interior of the dust collecting section 3-2, the cleaning groove 3-2-1 is provided with a cover plate 6, the cover plate 6 is fixedly connected with the dust collecting section 3-2 into a whole through a mounting screw 10, the cover plate 6 is an arc-shaped cover plate, and the outer diameter of the cover plate 6 is equal to the outer diameter of the dust collecting section 3-2;
the inner side of the sealing section 3-3, which is far away from the dust collecting section 3-2, is provided with a first mounting groove 3-3-1 for mounting a sealing ring 4, the inner side of the sealing section 3-3, which is close to the dust collecting section 3-2, is provided with a clamping groove 3-3-2, the first mounting groove 3-3-1 is communicated with the clamping groove 3-3-2, the first mounting groove 3-3-1 is a stepped groove, the longitudinal sections of the first mounting groove 3-3-1 and the clamping groove 3-3-2 are circular, and the inner diameter of the clamping groove 3-3-2 is smaller than the inner diameter of a small-diameter hole of the first mounting groove 3-3-1.
During the in-service use, through setting up the collection dirt mechanism on cutterhead 1 rear end cantilever section 2, can collect the dust that will enter into cutterhead 1 inside, prevent that the dust from getting into cutterhead 1 inside, cause the damage to cutterhead 1, utilize to install the sealing ring 4 of collection dirt mechanism tip, on the one hand to collection dirt mechanism carries out the shutoff and prevents that the dust from getting into in the collection dirt mechanism, on the other hand plays certain dustproof effect, and is dustproof effectual, the installation of being convenient for is dismantled.
The outer surface of the dust collection section 3-2 is provided with a cleaning groove 3-2-1, the cleaning groove 3-2-1 is an arc-shaped groove, the cleaning groove 3-2-1 is communicated with the interior of the dust collection section 3-2, and dust accumulated in the dust collection section 3-2 can be cleaned by utilizing the cleaning groove 3-2-1, so that the complex disassembly work is avoided, the dust can be cleaned regularly, and the cutting head 1 is protected.
In addition, be provided with apron 6 on clearance groove 3-2-1, apron 6 is as an organic whole through mounting screw 10 and collection dirt section 3-2 fixed connection, utilizes apron 6 to carry out the shutoff to clearance groove 3-2-1, both can prevent to enter into the dust in the collection dirt section 3-2 spills from the notch in clearance groove 3-2-1, and the dismantlement to apron 6 can accomplish the clearance to dust in the collection dirt section 3-2 simultaneously, is convenient for change and disassembles, has prolonged the utility model discloses a life.
It should be noted that the fixed section 3-1 and the dust collecting section 3-2 are both hollow, and the sealing section 3-3 is provided with a clamping groove 3-3-2 for facilitating clamping on the cantilever section 2, the longitudinal sections of the fixed section 3-1 and the dust collecting section 3-2 are annular, the clamping groove 3-3-2 is a circular groove, and the inner diameter of the clamping groove 3-3-2 is equal to the outer diameter of the cantilever section 2. As shown in fig. 3, the inner diameter of the dust collecting section 3-2 is larger than that of the fixing section 3-1, and the inner diameter of the dust collecting section 3-2 is equal to that of the large-diameter hole of the first mounting groove 3-3-1.
As shown in fig. 2 and 3, in this embodiment, the fixing section 3-1 is provided with first mounting holes 3-1-1 for the fastening screws 9 to pass through, and the first mounting holes 3-1-1 are uniformly distributed along the circumferential direction of the fixing section 3-1.
In this embodiment, a first cushion block 13 is arranged between the fixed section 3-1 and the cutting head 1, a second mounting groove 3-1-2 for mounting the first cushion block 13 is formed in the fixed section 3-1, and the second mounting groove 3-1-2 is arranged at a side close to the cutting head 1.
As shown in fig. 1, the first block 13 is provided to fill the gap between the fixed section 3-1 and the cutting head 1, and to prevent dust from entering the cutting head 1.
In this embodiment, a rib plate 12 is disposed in the middle of the cleaning slot 3-2-1, the rib plate 12 is disposed along the height direction of the dust collecting section 3-2, and a second mounting hole 12-1 for mounting the mounting screw 10 is disposed on the rib plate 12.
As shown in figures 2 and 3, rib plates 12 are arranged in the cleaning groove 3-2-1 to play a role in mounting and fixing, and mounting screws 10 are convenient for fixing the cover plate 6.
In this embodiment, a gasket 5 is disposed on a side of the first mounting groove 3-3-1 away from the dust collecting section 3-2, and the sealing ring 4 and the gasket 5 are fixedly connected to the sealing section 3-3 by a positioning screw 11.
As shown in fig. 1, the sealing ring 4 is arranged at a side close to the dust collecting section 3-2, the gasket 5 is arranged at a side far away from the dust collecting section 3-2, and the sealing ring 4 is arranged for plugging the dust collecting mechanism and preventing dust from entering; the gasket 5 is arranged to play a role in blocking on one hand and prevent the positioning screw 11 from damaging the sealing ring 4 in the mounting process on the other hand. Third mounting holes 14 for mounting the positioning screws 11 are formed in one side, close to the dust collecting section 3-2, of the large-diameter hole of the first mounting groove 3-3-1, and the third mounting holes 14 are uniformly distributed in the circumferential direction of the sealing section 3-3.
In this embodiment, a second cushion block 7 is disposed between the sealing ring 4 and the cantilever segment 2.
In this embodiment, a dust ring 8 is disposed between the sealing ring 4 and the gasket 5.
As shown in fig. 1, the second cushion block 7 is arranged to fill the gap between the sealing ring 4 and the cantilever section 2, so as to prevent dust from entering the inside of the cutting head 1; the dust ring 8 is provided to fill the gap between the seal ring 4 and the gasket 5 and prevent dust from entering.
The utility model discloses during the use, install this dustproof sealing device in the rear end of cutterhead 1, will collection dirt mechanism pass through fastening screw 9 with cutterhead 1 fixed connection, the sealing ring 4 and packing ring 5, second cushion 7 and the dust ring 8 of terminal setting all can play the shutoff effect, can carry out the shutoff to the dust that will get into cutterhead 1, in the use when second cushion 7 and dust ring 8 when becoming invalid because of the accident, the dust gets into and collects at collection section 3-2 after inside, overhauls workman's accessible and regularly disassembles apron 6 and clears up the dust in the collection section 3-2, finally reaches the purpose of dust clearance.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (7)

1. The utility model provides a entry driving machine is dustproof sealing device for cutterhead which characterized in that: the cutting head comprises a dust collecting mechanism arranged on a cantilever section (2) at the rear end of the cutting head (1) and a sealing ring (4) arranged at the end part of the dust collecting mechanism and used for plugging the dust collecting mechanism;
the dust collection mechanism comprises a fixed section (3-1), a dust collection section (3-2) and a sealing section (3-3) which are sequentially connected from left to right, the fixed section (3-1), the dust collection section (3-2) and the sealing section (3-3) are all of cylindrical structures, the outer diameter of the fixed section (3-1) is larger than that of the dust collection section (3-2), the outer diameter of the dust collection section (3-2) is equal to that of the sealing section (3-3), and the fixed section (3-1), the dust collection section (3-2) and the sealing section (3-3) are processed and manufactured into a whole;
the interior of the fixed section (3-1) and the dust collecting section (3-2) are both hollow structures, and the fixed section (3-1) is fixedly connected with the cutting head (1) through a fastening screw (9); the dust collecting device is characterized in that a cleaning groove (3-2-1) is formed in the outer surface of the dust collecting section (3-2), the cleaning groove (3-2-1) is an arc-shaped groove, the width of the cleaning groove (3-2-1) is equal to the height of the dust collecting section (3-2), the cleaning groove (3-2-1) is communicated with the interior of the dust collecting section (3-2), a cover plate (6) is arranged on the cleaning groove (3-2-1), the cover plate (6) is fixedly connected with the dust collecting section (3-2) into a whole through a mounting screw (10), the cover plate (6) is an arc-shaped cover plate, and the outer diameter of the cover plate (6) is equal to the outer diameter of the dust collecting section (3-2);
a first mounting groove (3-3-1) for mounting the sealing ring (4) is formed in one side of the sealing section (3-3) far away from the dust collecting section (3-2), a clamping groove (3-3-2) is arranged at one side of the inside of the sealing section (3-3) close to the dust collecting section (3-2), the first mounting groove (3-3-1) is communicated with the clamping groove (3-3-2), the first mounting groove (3-3-1) is a stepped groove, the longitudinal sections of the first mounting groove (3-3-1) and the clamping groove (3-3-2) are both circular, the inner diameter of the clamping groove (3-3-2) is smaller than the inner diameter of the small-diameter hole of the first mounting groove (3-3-1).
2. The dust seal device for a heading machine cutter head according to claim 1, characterized in that: the fixing section (3-1) is provided with first mounting holes (3-1-1) for the fastening screws (9) to pass through, and the first mounting holes (3-1-1) are uniformly distributed along the circumferential direction of the fixing section (3-1).
3. The dust seal device for a heading machine cutter head according to claim 1, characterized in that: a first cushion block (13) is arranged between the fixed section (3-1) and the cutting head (1), a second mounting groove (3-1-2) for mounting the first cushion block (13) is formed in the fixed section (3-1), and the second mounting groove (3-1-2) is formed in one side close to the cutting head (1).
4. The dust seal device for a heading machine cutter head according to claim 2, characterized in that: a rib plate (12) is arranged in the middle of the cleaning groove (3-2-1), the rib plate (12) is arranged along the height direction of the dust collecting section (3-2), and a second mounting hole (12-1) for mounting the mounting screw (10) is formed in the rib plate (12).
5. The dust seal device for a heading machine cutter head according to claim 1, characterized in that: a gasket (5) is arranged on one side, far away from the dust collecting section (3-2), in the first mounting groove (3-3-1), and the sealing ring (4) and the gasket (5) are fixedly connected with the sealing section (3-3) into a whole through a positioning screw (11).
6. A dust sealing device for a heading machine cutter head according to claim 3, characterized in that: and a second cushion block (7) is arranged between the sealing ring (4) and the cantilever section (2).
7. The dust seal device for a heading machine cutter head according to claim 1, characterized in that: and a dustproof ring (8) is arranged between the sealing ring (4) and the gasket (5).
CN202020057131.4U 2020-01-10 2020-01-10 Dustproof sealing device for cutting head of heading machine Active CN211573514U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020057131.4U CN211573514U (en) 2020-01-10 2020-01-10 Dustproof sealing device for cutting head of heading machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020057131.4U CN211573514U (en) 2020-01-10 2020-01-10 Dustproof sealing device for cutting head of heading machine

Publications (1)

Publication Number Publication Date
CN211573514U true CN211573514U (en) 2020-09-25

Family

ID=72555940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020057131.4U Active CN211573514U (en) 2020-01-10 2020-01-10 Dustproof sealing device for cutting head of heading machine

Country Status (1)

Country Link
CN (1) CN211573514U (en)

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