Cutting pick welded with alloy bar

Abstract

The utility model provides a cutting pick welded with an alloy bar, which comprises a cutting pick body, a through groove, a positioning column, a limiting block, a connecting seat, a hard alloy bar, a mounting seat, a threaded hole and a limiting threaded bolt, the through groove is arranged on the inner side surface of the cutting pick body, the positioning column is welded inside the cutting pick body, and the limiting block is arranged on the inner side surface of the cutting pick body. A connecting base is clamped in the cutting pick body, a hard alloy strip is welded to the outer side face of the connecting base, a mounting base is arranged above the connecting base, a threaded hole is formed in the annular side face of the mounting base, and a limiting threaded bolt is arranged on the outer side face of the mounting base. The cutting pick is reasonable in structure, the hard alloy strip and the cutting pick body are arranged in a split mode, when a certain part is seriously abraded, the part can be independently replaced, replacement is easy and convenient, use cost is reduced, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cutting pick of welded alloy strip, belong to cutting pick technical field. BACKGROUND

[0002] Cutting pick is divided into coal cutter cutting pick and heading machine cutting pick, is the part on mining heading machine, cutting pick is used in hard ground mining or excavating equipment including rotary cutter, wherein install multiple protruding cutting pick and ground engagement, cutting pick bites into ground when they rotate with cylinder, so as to impact soil and remove or break soil from surface, cutting pick is used with heading machine, and it is suitable for roadway heading.

[0003] Chinese patent number CN221096513U proposes a kind of cutting pick of welded alloy strip, after inlaying alloy strip on the head of cutting pick body, the alloy strip of cutting pick body head will protect the head of cutting pick body, reduce the situation that cutting pick is scrapped with the serious surface wear of cutting pick body head, but when the alloy strip of welding appears wear, or when cutting pick body wears more, and alloy strip is still usable, alloy strip needs to be replaced with cutting pick body as a whole, cannot be replaced alone, with high use cost, now there is an urgent need for a kind of cutting pick of welded alloy strip to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a kind of cutting pick of welded alloy strip to solve the problems raised in the above background art, the utility model has reasonable structure, hard alloy strip and cutting pick body are set up in two parts, when a part wears seriously, it can be replaced alone, replacement is simple and convenient, reduce use cost, and it is practical.

[0005] To achieve the above object, the utility model is implemented by the following technical scheme: a kind of cutting pick of welded alloy strip, including cutting pick body, through slot, positioning column, limit block, connecting seat, hard alloy strip, mounting seat, screw hole and limit threaded bolt, the through slot is set in the inner side of cutting pick body, the positioning column is welded in the inside of cutting pick body, the limit block is arranged on the inner side of cutting pick body, the connecting seat is clamped in the inside of cutting pick body, the hard alloy strip is welded on the outer side of connecting seat, the mounting seat is arranged on the upper portion of connecting seat, the screw hole is set in the annular side surface of mounting seat, the limit threaded bolt is arranged on the outer side of mounting seat.

[0006] Further, the through hole is set in the outer side of cutting pick body, the limit threaded bolt is penetrated through the through hole and is engaged with screw hole, the limit threaded bolt and screw hole are all provided with three groups of equal specifications.

[0007] Further, the upper end face of the cutting tooth body is provided with a mounting groove, the connecting seat is arranged in the mounting groove, and the hard alloy strip is clamped with the inner wall of the through groove.

[0008] Further, a first positioning groove is arranged in the connecting seat, and the positioning column is clamped with the connecting seat through the first positioning groove.

[0009] Further, a second positioning groove is arranged in the lower end face of the mounting seat, and the top end of the positioning column is clamped with the second positioning groove after penetrating through the connecting seat.

[0010] Further, a limiting groove is arranged in the outer side face of the mounting seat, and the limiting groove is slidingly clamped with the limiting block.

[0011] Further, the lower end of the cutting tooth body is provided with a hard alloy head, and the upper end face of the mounting seat is welded with a butt shaft.

[0012] The cutting tooth of the utility model has the advantages that when the cutting tooth body is seriously worn and the hard alloy strip can still be used, the user first rotates out the limiting threaded bolt which is clamped with the threaded hole, then takes out the mounting seat from the mounting groove in the upper end of the cutting tooth body, then takes out the connecting seat and the hard alloy strip together, clamps the connecting seat with the positioning column of the new cutting tooth body through the first positioning groove, then connects the mounting seat with the mounting groove of the new cutting tooth body, and fixes the mounting seat again through the limiting threaded bolt, so that the cutting tooth body can be replaced alone according to the wear condition, thereby reducing the equipment use cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0014] Figure 1 It is a structure schematic view of the cutting tooth of the utility model;

[0015] Figure 2 It is a structure schematic view of the cutting tooth of the utility model when being disassembled;

[0016] Figure 3 It is a structure schematic view of the cutting tooth of the utility model when being disassembled;

[0017] Figure 4 It is a local structure schematic view of the cutting tooth of the utility model;

[0018] Figure 5The utility model relates to a structure schematic diagram of a cutting tooth connecting seat and a hard alloy strip of a welded alloy strip.

[0019] Figure 6 The utility model relates to a structure schematic diagram of a cutting tooth connecting seat and a hard alloy strip of a welded alloy strip.

[0020] In the figure: 1 - cutting tooth body, 11 - hard alloy head, 12 - installation groove, 2 - through groove, 3 - positioning column, 4 - limiting block, 5 - connecting seat, 51 - first positioning groove, 6 - hard alloy strip, 7 - mounting seat, 71 - second positioning groove, 72 - butt joint axle, 73 - limiting groove, 8 - screw hole, 9 - limiting threaded bolt, 91 - counterbore. Specific implementation

[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation modes.

[0022] Please refer to Figures 1-6 The utility model provides a technical scheme: a cutting tooth of a welded alloy strip, including cutting tooth body 1, through groove 2, positioning column 3, limiting block 4, connecting seat 5, hard alloy strip 6, mounting seat 7, screw hole 8 and limiting threaded bolt 9, the inside surface of cutting tooth body 1 is set with through groove 2, cutting tooth body 1 inside welds positioning column 3, the inside surface of cutting tooth body 1 is provided with limiting block 4, cutting tooth body 1 inside clamps connecting seat 5, and the outer side of connecting seat 5 welds hard alloy strip 6, and connecting seat 5 top is provided with mounting seat 7, and the annular side of mounting seat 7 is set with screw hole 8, and the outer side of mounting seat 7 is provided with limiting threaded bolt 9, and this design solves the problem that the original cutting tooth of a welded alloy strip cannot be separately disassembled and replaced.

[0023] As a first embodiment of the utility model: the outside of the cutting tooth body 1 is provided with a counterbore 91, the limiting threaded bolt 9 is penetrated through the counterbore 91 and is engaged with the threaded hole 8, the limiting threaded bolt 9 and the threaded hole 8 are all provided with three groups of equal specifications, the threaded hole 8 and the limiting threaded bolt 9 can fix and connect the position of the cutting tooth body 1 and the mounting seat 7, the upper end surface of the cutting tooth body 1 is provided with a mounting groove 12, the connecting seat 5 is arranged inside the mounting groove 12, the hard alloy strip 6 is engaged with the inner wall of the through groove 2, part of the hard alloy strip 6 can extend outside the cutting tooth body 1 through the through groove 2, so as to form a tooth structure outside the cutting tooth body 1, which facilitates the cutting tooth body 1 to excavate, the first positioning groove 51 is penetrated and arranged inside the connecting seat 5, the positioning column 3 is engaged with the connecting seat 5 through the first positioning groove 51, the positioning column 3 and the first positioning groove 51 can fix the position of the connecting seat 5, the second positioning groove 71 is arranged on the lower end surface of the mounting seat 7, the top end of the positioning column 3 is penetrated through the connecting seat 5 and is engaged with the second positioning groove 71, the second positioning groove 71 and the positioning column 3 can assist in limiting the position of the mounting seat 7, the limiting groove 73 is arranged on the outside of the mounting seat 7, the limiting groove 73 is slidably engaged with the limiting block 4, the limiting block 4 and the limiting groove 73 can position the installation angle of the mounting seat 7, the hard alloy head 11 is arranged on the lower end of the cutting tooth body 1, the butt shaft 72 is welded on the upper end surface of the mounting seat 7, which is convenient for being connected with the external driving device.

[0024] As a second embodiment of the utility model: when the cutting tooth body 1 is seriously worn, the hard alloy strip 6 is slightly worn and still can be used, and the cutting tooth body 1 needs to be replaced alone, the user first unscrews the limiting threaded bolt 9 engaged with the threaded hole 8, then takes out the mounting seat 7 from the mounting groove 12 on the upper end of the cutting tooth body 1, then takes out the connecting seat 5 in the mounting groove 12 together with the hard alloy strip 6, and then engages the connecting seat 5 with the positioning column 3 of the new cutting tooth body 1 through the first positioning groove 51, then connects the mounting seat 7 with the mounting groove 12 of the new cutting tooth body 1, and then fixes it again through the limiting threaded bolt 9; similarly, when the hard alloy strip 6 is seriously worn, and the cutting tooth body 1 is slightly worn and still can be used, the connecting seat 5 and the hard alloy strip 6 can be replaced alone in the same way, so as to reduce the use cost.

[0025] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0026] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pick of a welding alloy strip, comprising a pick body, a through slot, a positioning column, a limiting block, a connecting seat, a hard alloy strip, a mounting seat, a threaded hole and a limiting threaded bolt, characterized in that: The cutting tooth body is internally provided with a through slot, a positioning column is welded inside the cutting tooth body, a limiting block is arranged on the inner side of the cutting tooth body, a connecting seat is clamped inside the cutting tooth body, a hard alloy strip is welded on the outer side of the connecting seat, a mounting seat is arranged above the connecting seat, a threaded hole is arranged on the annular side of the mounting seat, and a limiting threaded bolt is arranged on the outer side of the mounting seat.

2. A weld alloy bar cutting pick according to claim 1 wherein: The cutting tooth body is externally provided with a counterbore, the limiting threaded bolt penetrates through the counterbore and is in mesh with the threaded hole, and the limiting threaded bolt and the threaded hole are all provided with three groups of equal specifications.

3. A cutting bit of a weld alloy strip as defined in claim 1, wherein: The cutting tooth body is externally provided with a counterbore, the limiting threaded bolt penetrates through the counterbore and is in mesh with the threaded hole, and the limiting threaded bolt and the threaded hole are all provided with three groups of equal specifications.

4. A cutting bit of a weld alloy strip as defined in claim 1, wherein: The connecting seat is internally provided with a first positioning slot, and the positioning column is in mesh with the connecting seat through the first positioning slot.

5. A cutting bit of a weld alloy strip as defined in claim 1 wherein: The mounting seat is externally provided with a limiting slot, and the limiting slot is in sliding mesh with the limiting block.

6. A cutting bit of a weld alloy strip as defined in claim 1 wherein: The cutting tooth body is externally provided with a counterbore, the limiting threaded bolt penetrates through the counterbore and is in mesh with the threaded hole, and the limiting threaded bolt and the threaded hole are all provided with three groups of equal specifications.

7. A weld alloy bar point as defined in claim 1 wherein: The cutting tooth body is externally provided with a counterbore, the limiting threaded bolt penetrates through the counterbore and is in mesh with the threaded hole, and the limiting threaded bolt and the threaded hole are all provided with three groups of equal specifications. The cutting tooth body is externally provided with a counterbore, the limiting threaded bolt penetrates through the counterbore and is in mesh with the threaded hole, and the limiting threaded bolt and the threaded hole are all provided with three groups of equal specifications.

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