CN216043704U - Heading machine cutting tooth with good wear resistance - Google Patents
Heading machine cutting tooth with good wear resistance Download PDFInfo
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- CN216043704U CN216043704U CN202122824724.6U CN202122824724U CN216043704U CN 216043704 U CN216043704 U CN 216043704U CN 202122824724 U CN202122824724 U CN 202122824724U CN 216043704 U CN216043704 U CN 216043704U
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Abstract
The utility model discloses a heading machine cutting pick with good wear resistance, which comprises a connecting sleeve and an annular plate, wherein the connecting sleeve is connected with the annular plate; connecting sleeves: the inner part of the installation column is provided with an installation column through a connecting mechanism, the outer side of the conical surface at the left end of the installation column is sleeved with a wear-resistant sleeve, an alloy head is arranged in the installation groove at the left end of the installation column, and the step surface at the left end of the alloy head is contacted with the left end surface of the wear-resistant sleeve; an annular plate: the abrasion-resistant sleeve is sleeved at the step in the middle of the mounting column, the annular plate is in contact with the left side face of the connecting sleeve, abrasion-resistant blades are uniformly arranged on the outer arc face of the annular plate, and grooves matched with the abrasion-resistant blades are arranged at equal angles on the outer side faces of the abrasion-resistant sleeve and the connecting sleeve; wherein: the right end of the outer arc surface of the connecting sleeve is provided with the connecting groove, the heading machine cutting tooth with good wear resistance can improve the crushing efficiency of materials during heading and accelerate the heading process, so that the wear degree of the wear-resistant sleeve is reduced, the wear-resistant sleeve is convenient to replace independently, and the use cost is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of heading machines, in particular to a heading machine cutting pick with good wear resistance.
Background
At present, China has become the biggest development base and application market of the development machine in the world, and with the high-speed growth of construction works such as urban rail transit, railways, roads, water conservancy, municipal engineering and the like in China, the development of the development machine in China is also rapid. The heading machine mainly comprises a travelling mechanism, a working mechanism, a loading and transporting mechanism and a transshipment mechanism, wherein the travelling mechanism is pushed forward, a cutting head in the working mechanism continuously crushes rocks and transports the crushed rocks away, the heading machine has the advantages of safety, high efficiency, good roadway forming quality and the like, but is high in manufacturing cost, complex in structure and large in loss, a heading machine cutting tooth is a professional accessory of the heading machine and is a main part for crushing the rocks during heading, most of existing heading machine cutting teeth are integrally formed, most of the cutting teeth are single in crushing mode, the cutting teeth are rapidly abraded, the abraded cutting teeth need to be integrally replaced, and the use cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a heading machine cutting pick with good wear resistance, which can improve the crushing efficiency of materials during heading and accelerate the heading process, thereby reducing the wear degree of a wear-resistant sleeve, facilitating the independent replacement of the wear-resistant sleeve, greatly reducing the use cost and effectively solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a heading machine cutting pick with good wear resistance comprises a connecting sleeve and an annular plate;
connecting sleeves: the inner part of the installation column is provided with an installation column through a connecting mechanism, the outer side of the conical surface at the left end of the installation column is sleeved with a wear-resistant sleeve, an alloy head is arranged in the installation groove at the left end of the installation column, and the step surface at the left end of the alloy head is contacted with the left end surface of the wear-resistant sleeve;
an annular plate: the abrasion-resistant sleeve is sleeved at the step in the middle of the mounting column, the annular plate is in contact with the left side face of the connecting sleeve, abrasion-resistant blades are uniformly arranged on the outer arc face of the annular plate, and grooves matched with the abrasion-resistant blades are arranged at equal angles on the outer side faces of the abrasion-resistant sleeve and the connecting sleeve;
wherein: the right end of the outer cambered surface of the connecting sleeve is provided with the connecting groove, so that the crushing efficiency of materials can be improved during tunneling, the tunneling process is accelerated, the abrasion degree of the wear-resistant sleeve is reduced, the wear-resistant sleeve is convenient to replace alone, and the use cost is greatly reduced.
Furthermore, the outer side surface of the wear-resistant sleeve is uniformly provided with a guide chute, so that the guide chute plays a role in guiding crushed aggregates during tunneling.
Furthermore, coupling mechanism includes gasket, nut and double-screw bolt, the double-screw bolt sets up in the right flank center department of erection column, the spout sliding connection that gasket and the inside symmetry of adapter sleeve set up, and the right-hand member of double-screw bolt passes the through-hole that gasket center department set up and has the nut at end threaded connection, makes things convenient for the quick connection installation between adapter sleeve and the erection column.
Furthermore, the extrados symmetry of erection column is provided with the spacing groove, and the equal sliding connection in inside of spacing groove has spacing, and the inner wall symmetry of adapter sleeve is provided with spacing complex bar groove, restricts the radial rotation of erection column and adapter sleeve.
Furthermore, all be equipped with the spring in the installing port that gasket left surface symmetry set up, the spring contacts with the spacing strip right-hand member of homonymy respectively, plays limiting displacement to spacing.
Furthermore, evenly be provided with the card strip on the left conical surface of erection column, the inner wall of wear-resisting cover evenly is provided with the opening that corresponds with the card strip, radially plays limiting displacement to wear-resisting cover.
Furthermore, the outer side surface of the wear-resistant sleeve is uniformly coated with a wear-resistant coating, so that the wear resistance of the wear-resistant sleeve is improved.
Compared with the prior art, the utility model has the beneficial effects that: this entry driving machine pick that wearability is good has following benefit:
1. the left end of erection column is located to wear-resisting ways, the card strip of erection column left end radially plays limiting displacement to wear-resisting cover, then install the alloy head to the mounting groove of erection column left end in, the alloy head has higher hardness, can break some hard rocks, the step face of alloy head left end and the left end face contact of wear-resisting cover, fix wear-resisting cover, the lateral surface of wear-resisting cover coats and is scribbled wear-resistant coating, improve the wearability of wear-resisting cover, the baffle box that wear-resisting cover lateral surface evenly set up, can play the water conservancy diversion effect to the material after the breakage, simultaneously after wear-resisting cover wearing and tearing certain degree, conveniently change wear-resisting cover, greatly reduced use cost.
2. The annular plate is sleeved in the middle of the mounting column, so that the wear-resistant blade on the outer side of the annular plate is inserted into the corresponding groove on the outer side of the wear-resistant sleeve, the crushing efficiency of materials can be improved during tunneling, the tunneling process is accelerated, the wear degree of the wear-resistant sleeve is reduced, and the service life of the wear-resistant sleeve is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional structure of the connecting sleeve of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention.
In the figure: the device comprises a connecting sleeve 1, a connecting mechanism 2, a gasket 21, a nut 22, a stud 23, a mounting column 3, an alloy head 4, a wear-resistant sleeve 5, a guide chute 51, an annular plate 6, a wear-resistant blade 61, a connecting groove 7, a limiting groove 8, a limiting strip 9, a spring 10 and a clamping strip 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment provides a technical solution: a heading machine cutting pick with good wear resistance comprises a connecting sleeve 1 and an annular plate 6;
connecting sleeve 1: the inner part of the installation column is provided with an installation column 3 through a connecting mechanism 2, the outer side of a conical surface at the left end of the installation column 3 is sleeved with a wear-resistant sleeve 5, the outer side of the wear-resistant sleeve 5 is uniformly coated with a wear-resistant coating to improve the wear resistance of the wear-resistant sleeve 5, the outer side of the wear-resistant sleeve 5 is uniformly provided with a guide chute 51 to guide crushed materials during tunneling, an alloy head 4 is arranged in an installation groove at the left end of the installation column 3 and can crush hard rocks, the step surface at the left end of the alloy head 4 is contacted with the left end surface of the wear-resistant sleeve 5 to facilitate the independent replacement of the wear-resistant sleeve 5, the use cost is greatly reduced, the connecting mechanism 2 comprises a gasket 21, a nut 22 and a stud 23, the stud 23 is arranged at the center of the right side surface of the installation column 3, the gasket 21 is in sliding connection with sliding chutes symmetrically arranged in the connection sleeve 1, the right end of the stud 23 penetrates through a through hole arranged at the center of the gasket 21 and is in threaded connection with the nut 22 at the end, the installation and fixation of the mounting column 3 and the connecting sleeve 1 are facilitated, the limiting grooves 8 are symmetrically arranged on the outer arc surface of the mounting column 3, the limiting strips 9 are connected to the inner parts of the limiting grooves 8 in a sliding mode, the inner wall of the connecting sleeve 1 is symmetrically provided with strip-shaped grooves matched with the limiting strips 9, the radial direction of the mounting column 3 and the connecting sleeve 1 is limited, springs 10 are arranged in the installation holes symmetrically arranged on the left side surface of the gasket 21, the springs 10 are respectively contacted with the right ends of the limiting strips 9 on the same side, the limiting strips 9 are limited, clamping strips 11 are uniformly arranged on the conical surface on the left side of the mounting column 3, notches corresponding to the clamping strips 11 are uniformly arranged on the inner wall of the wear-resistant sleeve 5, and the radial direction of the wear-resistant sleeve 5 is limited;
the annular plate 6: the wear-resistant sleeve is sleeved at the step in the middle of the mounting column 3, the annular plate 6 is in contact with the left side face of the connecting sleeve 1, the outer arc face of the annular plate 6 is uniformly provided with wear-resistant blades 61, grooves matched with the wear-resistant blades 61 are formed in the outer side faces of the wear-resistant sleeve 5 and the connecting sleeve 1 at equal angles, the crushing efficiency of materials can be improved during tunneling, the tunneling process is accelerated, the wear degree of the wear-resistant sleeve 5 is reduced, and the service life of the wear-resistant sleeve is prolonged;
wherein: the right end of the outer cambered surface of the connecting sleeve 1 is provided with a connecting groove 7, so that the connecting sleeve is conveniently connected and fixed with an external heading machine.
The working principle of the heading machine cutting pick with good wear resistance provided by the utility model is as follows: the left end of the mounting column 3 is sleeved with the wear-resistant sleeve 5, the clamping strip 11 at the left end of the mounting column 3 plays a role in limiting the radial direction of the wear-resistant sleeve 5, then the alloy head 4 is mounted in the mounting groove at the left end of the mounting column 3, the alloy head 4 has high hardness and can crush hard rocks, the step surface at the left end of the alloy head 4 is in contact with the left end surface of the wear-resistant sleeve 5 to fix the wear-resistant sleeve 5, the outer side surface of the wear-resistant sleeve 5 is coated with a wear-resistant coating to improve the wear resistance of the wear-resistant sleeve 5, the guide grooves 51 uniformly arranged on the outer side surface of the wear-resistant sleeve 5 can play a role in guiding crushed materials, meanwhile, after the wear-resistant sleeve 5 is worn to a certain degree, the wear-resistant sleeve 5 is convenient to replace, the annular plate 6 is sleeved in the middle of the mounting column 3, the wear-resistant blade 61 outside the annular plate 6 is inserted in the corresponding groove outside the wear-resistant sleeve 5, and the wear-resistant blade 61 can cut and separate crushed materials during tunneling, the service life of the wear-resistant sleeve 5 is prolonged, then the connecting sleeve 1 is sleeved at the right end of the mounting column 3, and simultaneously the right end of the wear-resistant blade 61 is inserted into the corresponding groove at the outer side surface of the connecting sleeve 1, then the two limit strips 9 are inserted into the limit grooves 8 and the strip-shaped grooves correspondingly arranged in the connecting sleeve 1 to form the whole, fixing the radial positions of the connecting sleeve 1 and the mounting column 3, sliding the gasket 21 into the connecting sleeve 1 through a sliding groove in the connecting sleeve, enabling the stud 23 at the right end of the mounting column 3 to penetrate through a through hole in the middle of the gasket 21, then screwing the nut 22, enabling the nut 22 to be in contact with the right side face of the gasket 21, the connecting sleeve 1 and the mounting column 3 are fixed, meanwhile, the spring 10 at the left end of the gasket 21 is contacted with the right end of the limiting strip 9 at the same side, the limiting strip 9 is limited, and finally the connecting sleeve 1 is mounted on a cutting tooth mounting seat of an external heading machine through the connecting groove 7.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a entry driving machine pick that wearability is good which characterized in that: comprises a connecting sleeve (1) and an annular plate (6);
connecting sleeve (1): the inner part of the installation column is provided with an installation column (3) through a connecting mechanism (2), the outer side of the conical surface at the left end of the installation column (3) is sleeved with a wear-resistant sleeve (5), an alloy head (4) is arranged in the installation groove at the left end of the installation column (3), and the step surface at the left end of the alloy head (4) is contacted with the left end surface of the wear-resistant sleeve (5);
annular plate (6): the wear-resistant sleeve is sleeved at the step in the middle of the mounting column (3), the annular plate (6) is in contact with the left side face of the connecting sleeve (1), wear-resistant blades (61) are uniformly arranged on the outer arc face of the annular plate (6), and grooves matched with the wear-resistant blades (61) are arranged on the outer side faces of the wear-resistant sleeve (5) and the connecting sleeve (1) at equal angles;
wherein: the right end of the outer cambered surface of the connecting sleeve (1) is provided with a connecting groove (7).
2. A good wear resistance heading machine pick according to claim 1 wherein: and the outer side surface of the wear-resistant sleeve (5) is uniformly provided with a material guide groove (51).
3. A good wear resistance heading machine pick according to claim 1 wherein: coupling mechanism (2) include gasket (21), nut (22) and double-screw bolt (23), double-screw bolt (23) set up in the right flank center department of erection column (3), and the spout sliding connection that gasket (21) and adapter sleeve (1) inside symmetry set up, and the right-hand member of double-screw bolt (23) passes the through-hole that gasket (21) center department set up and has nut (22) at end threaded connection.
4. A good wear resistance heading machine pick according to claim 3 wherein: the cambered surface symmetry of erection column (3) is provided with spacing groove (8), and the equal sliding connection in inside of spacing groove (8) has spacing (9), and the inner wall symmetry of adapter sleeve (1) is provided with spacing (9) complex bar groove.
5. A good wear resistance heading machine pick according to claim 4 wherein: all be equipped with spring (10) in the installing port that gasket (21) left surface symmetry set up, spring (10) respectively with spacing (9) right-hand member contact of homonymy.
6. A good wear resistance heading machine pick according to claim 1 wherein: the mounting column is characterized in that clamping strips (11) are uniformly arranged on the conical surface on the left side of the mounting column (3), and openings corresponding to the clamping strips (11) are uniformly arranged on the inner wall of the wear-resistant sleeve (5).
7. A good wear resistance heading machine pick according to claim 1 wherein: the outer side surface of the wear-resistant sleeve (5) is uniformly coated with a wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824724.6U CN216043704U (en) | 2021-11-18 | 2021-11-18 | Heading machine cutting tooth with good wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824724.6U CN216043704U (en) | 2021-11-18 | 2021-11-18 | Heading machine cutting tooth with good wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043704U true CN216043704U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122824724.6U Active CN216043704U (en) | 2021-11-18 | 2021-11-18 | Heading machine cutting tooth with good wear resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043704U (en) |
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2021
- 2021-11-18 CN CN202122824724.6U patent/CN216043704U/en active Active
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