CN211228682U - Toothholder, bucket tooth, tooth tool and excavating equipment - Google Patents
Toothholder, bucket tooth, tooth tool and excavating equipment Download PDFInfo
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- CN211228682U CN211228682U CN201921693933.8U CN201921693933U CN211228682U CN 211228682 U CN211228682 U CN 211228682U CN 201921693933 U CN201921693933 U CN 201921693933U CN 211228682 U CN211228682 U CN 211228682U
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Abstract
The utility model discloses a toothholder, bucket tooth, tooth utensil and excavating equipment relates to the engineering machine tool field. The toothholder includes the base and sets up the mounting hole on the base, the mounting hole is cylindrical, the hypomere inner wall of mounting hole is equipped with the internal spline. And the tooth handle of the bucket tooth is provided with an external spline matched with the internal spline. The utility model is provided with a cylindrical mounting hole on the toothholder, and the lower segment of the mounting hole is provided with an internal spline for preventing the bucket tooth from rotating, when the bucket tooth is mounted on the toothholder, the bucket tooth can not rotate, and the functional positioning of the bucket tooth is met; when installing the pick on the toothholder, the pick can take place rotatoryly, accords with the function location of pick, the utility model discloses a toothholder adaptation bucket tooth and the completely different pick of two kinds of pick, when it uses excavating equipment on, the change of convenient different grade type pick that can be very big improves work efficiency.
Description
Technical Field
The utility model relates to an engineering machine tool field especially relates to a toothholder, bucket tooth, tooth utensil and excavating equipment.
Background
At present, a drilling tool of engineering machinery such as a rotary drilling rig is mainly divided into a cutting pick and a bucket tooth on a pick head. The cutting pick rotates around the axis of the cutting pick when the drilling tool works, and is mainly used for a sand stone layer and a rock stratum; and the bucket tooth can not pivot at drilling tool during operation, mainly is used in the clay soil layer construction, and the effect is splendid.
Due to the uncertainty of the field geological environment, different tooth heads are often required to be replaced in the construction process so as to deal with different geological environments. In the existing drilling tool, a cutting tooth and a bucket tooth are two distinct tooth heads, and the structure, the installation mode and the working process of the two tooth heads are obviously different: the cutting pick is required to do spinning movement, so the tooth shank of the cutting pick is generally made into a cylindrical shape; the bucket teeth are generally made into non-circular polygons for preventing the bucket teeth from rotating. The mounting structures of the two tooth heads have great difference and cannot be used universally, and when the type of the gear is changed, the gear needs to be changed together with the whole mounting structure of the tooth heads, so that the production efficiency is greatly reduced.
In view of the above, a new technical solution is urgently needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the inconvenient problem of change of the tooth head of different grade type among the prior art, provide a toothholder, bucket tooth, tooth utensil and excavating equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a toothholder, its includes the base and sets up the mounting hole on the base, the mounting hole is cylindrical, the hypomere inner wall of mounting hole is equipped with the internal spline.
As a further improvement, the internal spline comprises a plurality of first clamping ridges arranged at intervals, a plurality of first clamping grooves are formed between the first clamping ridges, and the extending directions of the first clamping ridges and the first clamping grooves are consistent with the depth direction of the mounting hole.
As a further improvement, the cross section of the first clamping rib is V-shaped or square.
The utility model provides a bucket tooth, its include tooth head and an organic whole connect in the tooth handle of the one end of tooth head, the tooth handle has cylindrical body, cylindrical body's periphery wall is equipped with external splines.
As a further improvement, the external spline comprises a plurality of second clamping ridges arranged at intervals, a plurality of second clamping grooves are formed between the second clamping ridges, and the extending directions of the second clamping ridges and the second clamping grooves are consistent with the depth direction of the gear shank.
As a further improvement, the cross section of the second clamping rib is V-shaped or square.
A tooth tool comprises a tooth holder and a tooth head;
the tooth holder is the tooth holder;
the tooth head comprises the bucket tooth;
the inner spline of the tooth holder is meshed with the outer spline of the bucket tooth, so that the bucket tooth cannot rotate.
As a further improvement, the pick head also comprises a cutting pick.
As a further improvement, the tooth holder limits the axial movement of the tooth head through a clamp spring.
An excavating device comprising the above-described pick.
Compared with the prior art, the utility model discloses following beneficial effect is brought:
the tooth holder of the utility model is provided with a cylindrical mounting hole, and the lower segment of the mounting hole is provided with an internal spline for preventing the bucket tooth from rotating, so that after the bucket tooth is mounted on the tooth holder, the bucket tooth can not rotate, and the functional positioning of the bucket tooth is met; when installing the pick on the toothholder, the pick can take place rotatoryly, accords with the function location of pick, the utility model discloses a toothholder adaptation bucket tooth and the completely different pick of two kinds of pick, when it uses excavating equipment on, the change of convenient different grade type pick that can be very big improves work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a perspective view of a toothholder according to a preferred embodiment of the present invention;
FIG. 2 illustrates a top view of a tooth in accordance with a preferred embodiment of the present invention;
fig. 3 shows a top view of a cutting pick according to a preferred embodiment of the present invention;
FIG. 4 is an assembly view of a tooth of a preferred embodiment of the present invention mounted on a tooth holder;
figure 5 shows an assembly view of a cutting pick of a preferred embodiment of the invention mounted on a block.
Description of the main element symbols:
10-a gear; 11-a toothholder; 12-a base; 13-mounting holes; 14-a threaded hole; 20-bucket teeth; 21-a first tooth head; 211-shoveling the noodles; 212-side; 213-a bottom surface; 214-pits; 22-a first shank; 30-cutting pick; 31-a second tooth head; 32-a second shank; 40-internal splines; 41-a first clamping edge; 42-a first card slot; 50-external splines; 51-a second clamping edge; 52-second card slot.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The essence of the utility model is to provide a toothholder that can adapt different grade type toothheads, the toothhead of different grade type includes the pick that can spin at operating condition and the bucket tooth that can not spin. Namely, the utility model discloses a toothholder can assemble above-mentioned two kinds of tooth heads and use, and does not influence the function performance of two kinds of tooth heads. Under the condition that the gear head needs to be replaced, the corresponding gear head is only required to be detached and replaced by another gear head, and the gear seat does not need to be detached.
Current excavating equipment is like digging the machine soon etc. and generally contains dozens of hundreds of tooth heads, will the utility model discloses when being applied to this type of equipment, can obviously improve on-the-spot operating efficiency.
Example one
Referring to fig. 1 to 3, the present embodiment provides a tooth tool 10, which is applied to excavating equipment such as a rotary excavator.
The tooth tool 10 comprises a tooth holder 11 and a tooth head.
Referring to fig. 1, the toothholder 11 includes a base 12 and a mounting hole 13 formed in the base 12, the mounting hole 13 is cylindrical, and an inner spline 40 is disposed on an inner wall of a lower section of the mounting hole 13.
Referring to fig. 2 and 3, the bit includes a tooth 20 and a pick 30.
Referring to fig. 2 and 4, the bucket tooth 20 includes a first tooth head 21 and a first tooth handle 22 integrally connected to one end of the first tooth head 21, and the first tooth handle 22 has a cylindrical body, and an outer circumferential wall of the cylindrical body is provided with an external spline 50. The first tooth handle 22 is used for being assembled and connected with the mounting hole 13, wherein the external spline 50 and the internal spline 40 are in mutual meshing connection and used for preventing the bucket tooth 20 from rotating in the mounting hole 13.
Referring to fig. 3 and 5, the cutting pick 30 includes a second head 31 and a second shank 32 integrally connected to one end of the second head 31, the second shank 32 has a cylindrical body, the second shank 32 is adapted to be assembled with the mounting hole 13, and the cylindrical structure allows the cutting pick 30 to rotate in the mounting hole 13.
It should be noted that, the tooth 20 and the cutting pick 30 are both provided with a structure for preventing the tooth from falling off the tooth holder 11, and there may be a plurality of ways, for example, in some embodiments, a circle of clamping edge is convexly provided at a proper position of the tooth holder, a circle of convex edge protruding into the hole is provided on the inner wall of the mounting hole 13 of the tooth holder, and the arrangement between the tooth holder and the mounting hole 13 by using the snap spring can be realized.
In the embodiment, the toothholder 11 is provided with the cylindrical mounting hole 13, the lower section of the mounting hole 13 is provided with the internal spline 40 for preventing the bucket tooth 20 from rotating, and after the bucket tooth 20 is mounted on the toothholder 11, the bucket tooth 20 cannot rotate and is in accordance with the functional positioning of the bucket tooth 20; when installing pick 30 on toothholder 11, pick 30 can take place rotatoryly, accords with pick 30's functional localization, the utility model discloses a toothholder 11 adaptation tooth 20 and the pick 30 two kinds of types completely different tooth head, when it used on excavating equipment, the change of convenient different grade type tooth head that can be very big improves work efficiency.
Example two
The present embodiment provides a block 11 and a tooth 20 and pick 30 adapted thereto.
Referring to fig. 1, the toothholder 11 includes a cylindrical base 12, a mounting hole 13 is formed in the base 12, a depth direction of the mounting hole 13 is the same as a length direction of the base 12, and the mounting hole 13 is cylindrical.
Referring to fig. 4 and 5, in particular, the mounting hole 13 is a blind hole, and a threaded hole 14 for fixedly mounting the toothholder 11 on the excavating equipment is formed at one end of the base 12 opposite to the mounting hole 13. The number of threaded holes 14 depends on the size of the toothholder 11 itself, in one example, two threaded holes 14 are provided, evenly distributed at the end of the base 12. The depth direction of the screw hole 14 coincides with the longitudinal direction of the base 12.
More specifically, the end of the base 12 is hemispherical, and the shape is designed to improve the installation efficiency of the toothholder 11.
The internal structure of the mounting hole 13 is the same as that of the first embodiment, and the description thereof is omitted.
The bucket tooth 20 is different from the first embodiment in that:
The cutting pick 30 is a conventional cutting pick, and comprises a second pick head 31 and a second shank 32, wherein the second pick head 31 has a conical shape, the second shank 32 is integrally connected to one end of the second pick head 31, and the second shank 32 is cylindrical.
The working principle of the embodiment is as follows:
1. mounting of the toothholder 11: the block 11 is inserted into a coupling hole of the excavating equipment and then fixed by bolts.
2. According to the specific situation of site operation, the bucket tooth 20 or the cutting pick 30 is selected to be mounted on the corresponding tooth holder 11:
when the bucket tooth 20 is selected, the first tooth handle 22 of the bucket tooth 20 is assembled and connected in the mounting hole 13 of the tooth holder 11, so that the external spline 50 of the first tooth handle 22 is meshed with the internal spline 40 of the mounting hole 13, the bucket tooth 20 is prevented from rotating on the tooth holder 11, and the function of the bucket tooth 20 is further realized.
When the cutting pick 30 needs to work, the cutting pick 30 can be installed after the bucket tooth 20 is detached from the holder 11. At this time, the second shank 32 of the cutting pick 30 is inserted into the mounting hole 13, and since the second shank 32 of the cutting pick 30 and the mounting hole 13 are cylindrical, the cutting pick 30 can freely rotate on the holder 11, thereby realizing the function of the cutting pick 30.
The toothholder 11 of this embodiment can adapt to the toothheads of two different types, and does not influence the performance of the respective functions of two toothheads, when the toothheads need to be replaced, the toothholder 11 that need not to correspond is dismantled, can greatly improve the site operation efficiency.
It should be noted that, in the present embodiment, the profile of the toothholder 11 is designed to be cylindrical, which is just one specific embodiment of the present invention, but it is easily understood that, in other embodiments, the profile of the toothholder 11 may also be designed to be square, prismatic, or other geometric shapes, as long as it is ensured that the mounting hole 13 of the toothholder 11 is cylindrical.
The first tooth head 21 of the tooth 20 is not limited to the specific shape in the embodiment, and may be designed to be wedge-shaped or other conventional tooth shapes.
EXAMPLE III
The present embodiment provides a dental tool comprising a block 11 and a head comprising a tooth 20 and a pick 30. The toothholder 11 and the teeth 20 of the present embodiment are slightly different from the above-described embodiments in that:
referring to fig. 1, the internal spline 40 includes a plurality of first clamping ribs 41 arranged at intervals, a plurality of first clamping grooves 42 are formed between the plurality of first clamping ribs 41, an extending direction of the first clamping ribs 41 and the first clamping grooves 42 is the same as a depth direction of the mounting hole 13, and the plurality of first clamping ribs 41 are protruded on an inner wall of the mounting hole 13. The first clamping rib 41 has a square cross section and extends along the inner wall of the mounting hole 13 in an arc shape.
Referring to fig. 2, the external spline 50 includes a plurality of second locking ribs 51 arranged at intervals, a plurality of second locking grooves 52 are formed between the plurality of second locking ribs 51, and the extending direction of the second locking ribs 51 and the second locking grooves 52 is the same as the depth direction of the first tooth handle 22. The plurality of second clamping ridges 51 are convexly arranged on the outer wall of the lower section of the first tooth handle 22. In this case, the diameter of the lower section of the first tooth shank 22 is smaller than that of the upper section thereof, and the outer wall of the second rib 51 corresponds to the diameter of the upper section of the first tooth shank 22. The cross section of the second clamping edge 51 is square, and extends along the outer wall of the first tooth handle 22 in an arc shape.
The internal spline 40 and the external spline 50 are matched and mutually engaged when being assembled, that is, the first clamping edge 41 is inserted into the second clamping groove 52, and the second clamping groove 52 is inserted into the first clamping groove 42, so as to prevent the bucket tooth 20 from rotating relative to the tooth holder 11.
Example four
The present embodiment is different from the third embodiment in that:
referring to fig. 1, the internal spline 40 includes a plurality of first clamping ribs 41 arranged at intervals, a plurality of first clamping grooves 42 are formed between the plurality of first clamping ribs 41, an extending direction of the first clamping ribs 41 and the first clamping grooves 42 is the same as a depth direction of the mounting hole 13, and the plurality of first clamping ribs 41 are protruded on an inner wall of the mounting hole 13. The cross section of the first clamping rib 41 is V-shaped.
Referring to fig. 2, the external spline 50 includes a plurality of second locking ribs 51 arranged at intervals, a plurality of second locking grooves 52 are formed between the plurality of second locking ribs 51, and the extending directions of the second locking ribs 51 and the second locking grooves 52 are consistent with the depth direction of the first tooth shank 22. The plurality of second clamping ridges 51 are convexly arranged on the outer wall of the lower section of the first tooth handle 22. In this case, the diameter of the lower section of the first tooth shank 22 is smaller than that of the upper section thereof, and the outer wall of the second rib 51 corresponds to the diameter of the upper section of the first tooth shank 22. The cross section of the second clamping rib 51 is V-shaped.
The internal spline 40 and the external spline 50 are matched with each other and are engaged with each other during assembly, that is, the first clamping edge 41 is inserted into the second clamping groove 52, and the second clamping groove 52 is inserted into the first clamping groove 42, so as to prevent the bucket tooth 20 from rotating relative to the tooth holder 11.
The spline structures in the above two embodiments are only two preferred embodiments of the present invention, and it is understood that, in other embodiments, a mixture of the above two different cross sections may also be provided, for example, half of the cross section of the first rib 41 is set to be square, and half is set to be V-shaped, and correspondingly, the second rib 51 is also adapted to the structure, as long as the inner spline 40 and the outer spline 50 can be engaged with each other structurally to prevent the rotation of the tooth 20 relative to the tooth holder 11.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a toothholder, its characterized in that includes the base and sets up the mounting hole on the base, the mounting hole is cylindrically, the toothholder of pick be used for plant connect in the mounting hole, the pick can freely rotate on the base, the hypomere inner wall of mounting hole is equipped with and is used for preventing bucket tooth pivoted internal spline.
2. The toothholder according to claim 1, wherein the internal spline comprises a plurality of first clamping edges arranged at intervals, a plurality of first clamping grooves are formed between the first clamping edges, and the extending direction of the first clamping edges and the first clamping grooves is consistent with the depth direction of the mounting hole.
3. The toothholder according to claim 2, characterized in that the first clamping edge has a V-shaped or square cross section.
4. The utility model provides a bucket tooth, its characterized in that, including tooth head and integrated connection in the tooth handle of the one end of tooth head, the tooth handle has cylindrical body, cylindrical body's periphery wall is equipped with external splines, the tooth handle be used for with the mounting hole assembled connection of toothholder, in order to prevent the bucket tooth is in rotate in the mounting hole.
5. The tooth according to claim 4, wherein the external spline comprises a plurality of second clamping edges arranged at intervals, a plurality of second clamping grooves are formed between the plurality of second clamping edges, and the extending direction of the second clamping edges and the extending direction of the second clamping grooves are consistent with the depth direction of the tooth shank.
6. The tooth according to claim 5, wherein the second bite has a V-shaped or square cross-section.
7. A tooth tool is characterized in that: comprises a tooth holder and a tooth head;
the block is according to any one of claims 1-3;
the tooth head comprising a tooth according to any of claims 4 to 6;
the inner spline of the tooth holder is meshed with the outer spline of the bucket tooth, so that the bucket tooth cannot rotate.
8. The dental appliance of claim 7, wherein the head further comprises a pick.
9. The dental appliance of claim 7, wherein the tooth holder limits axial movement of the tooth head by a circlip.
10. An excavating apparatus characterized by: comprising a dental appliance as claimed in any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693933.8U CN211228682U (en) | 2019-10-10 | 2019-10-10 | Toothholder, bucket tooth, tooth tool and excavating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693933.8U CN211228682U (en) | 2019-10-10 | 2019-10-10 | Toothholder, bucket tooth, tooth tool and excavating equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211228682U true CN211228682U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693933.8U Active CN211228682U (en) | 2019-10-10 | 2019-10-10 | Toothholder, bucket tooth, tooth tool and excavating equipment |
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| CN (1) | CN211228682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714502A (en) * | 2019-10-10 | 2020-01-21 | 北京三一智造科技有限公司 | Toothholder, bucket tooth, tooth tool and excavating equipment |
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2019
- 2019-10-10 CN CN201921693933.8U patent/CN211228682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714502A (en) * | 2019-10-10 | 2020-01-21 | 北京三一智造科技有限公司 | Toothholder, bucket tooth, tooth tool and excavating equipment |
| CN110714502B (en) * | 2019-10-10 | 2024-06-11 | 北京三一智造科技有限公司 | Toothholder, bucket tooth, tooth tool and excavating equipment |
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