Wear-resistant rod bucket tooth of electric shovel

Abstract

The utility model relates to the technical field of wear-resistant electric bucket teeth, and provides a wear-resistant rod bucket tooth of an electric shovel, which is used for being clamped and matched on a bucket lip of a bucket, and comprises a bucket tooth body, the bucket tooth body is provided with a tooth base and a tooth holder, the tooth base and the tooth holder are integrally formed, the tooth holder is used for being clamped and matched with the bucket lip, and the tooth base is provided with a wear-resistant surface which is obliquely arranged; the tooth holder is provided with a containing groove and two clamping grooves, the containing groove is used for being connected with the bucket lip in a clamped mode, and the two clamping grooves are located in the two sides of the containing groove correspondingly and communicate with the containing groove; two rows of wear-resistant blocks are arranged on the wear-resistant surface in an array manner; the clamping device comprises a first wedge which is matched with the clamping groove in an inserting manner; the second wedge is matched with the clamping groove in an inserted mode, the first wedge abuts against the second wedge, and the first wedge and the second wedge are jointly clamped in the clamping groove. By means of the technical scheme, the problem that in the prior art, the stability of connection between the bucket tooth and the bucket lip is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant electric shovel bucket teeth, in particular to wear-resistant rod bucket teeth for electric shovels. Background Art

[0002] During mining, the electric shovel of the shovel truck will directly contact with rocks and ores. After a long period of work, the lip of the electric shovel will be squeezed and washed by rocks and ores, causing wear. At the same time, it will also receive huge impact loads, which is a vulnerable part of the electric shovel.

[0003] In the prior art, a bucket tooth body made of wear-resistant material is usually added to the bucket lip of the electric shovel to reduce the wear of the bucket lip, but the stability of the connection between the bucket tooth and the bucket lip is poor. Utility Model Content

[0004] The utility model provides an electric shovel wear-resistant rod bucket tooth, which solves the problem of poor stability of the connection between the bucket tooth and the bucket lip in the related art.

[0005] The technical solution of the utility model is as follows:

[0006] The wear-resistant rod bucket tooth of the electric shovel is used for clamping and fitting on the bucket lip of the bucket, and is characterized by comprising:

[0007] The bucket tooth body comprises a tooth base and a tooth seat, wherein the tooth base and the tooth seat are integrally formed, the tooth seat is used for engaging with the bucket lip, and the tooth base has a wear-resistant surface, and the wear-resistant surface is inclined;

[0008] The tooth seat has a receiving groove and two clamping grooves, the receiving groove is used to clamp with the bucket lip, and the two clamping grooves are respectively located on both sides of the receiving groove and are connected with the receiving groove;

[0009] There are a plurality of wear-resistant blocks, and two rows of the wear-resistant blocks are arranged in an array on the wear-resistant surface;

[0010] A clamping device, the clamping device comprising:

[0011] A first wedge is plugged into and matched with the clamping groove;

[0012] The second wedge is plugged into and matched with the engaging groove, the first wedge abuts against the second wedge, and the first wedge and the second wedge are jointly engaged in the engaging groove.

[0013] Optionally, the clamping device further includes:

[0014] A slider, arranged on a side where the first wedge and the second wedge abut against each other, the slider having a trapezoidal cross section;

[0015] A side of the second wedge abutting against the first wedge has a sliding groove engaged with the sliding block.

[0016] Optionally, it further comprises: an anti-slip device, the anti-slip device comprising:

[0017] The tooth seat further comprises a mounting groove and a through hole, wherein the mounting groove is located at one side of the tooth seat, the through hole penetrates one of the clamping grooves, and the mounting groove is communicated with the through hole; the first wedge comprises a circular arc groove, and after the first wedge is plugged into the clamping groove, the circular arc groove is communicated with the clamping groove;

[0018] A mounting plate, clamped and arranged in the mounting groove, wherein the mounting plate has a connecting groove;

[0019] A connecting pin, passing through the through hole, for connecting the first wedge and the gear seat;

[0020] A base plate is arranged at one end of the connecting pin, and the base plate is connected to the connecting groove by snapping;

[0021] A cone cylinder is sleeved on the connecting pin and is connected to the circular arc groove by clamping.

[0022] Optionally, the cross-section of the connecting groove is trapezoidal.

[0023] Optionally, there are two anti-slip devices, and the two anti-slip devices are respectively located on both sides of the accommodating groove.

[0024] Optionally, both sides of the tooth seat have a locking groove; and further comprising:

[0025] A first mounting seat is arranged at one end of the first wedge, and after the first wedge passes through the clamping groove, the first mounting seat is located outside the gear seat;

[0026] The second mounting seat is arranged at one end of the second wedge. After the second wedge passes through the clamping groove, the second mounting seat is located in the clamping groove.

[0027] Optionally, one side of the tooth base has an arc-shaped groove, and the arc-shaped groove is located between two rows of wear-resistant blocks.

[0028] Optionally, it also includes:

[0029] The wear-resistant body is arranged at the end of the tooth base in a snap-fitting manner, and a plurality of the wear-resistant blocks are arranged at the end of the wear-resistant body.

[0030] The working principle and beneficial effects of the utility model are:

[0031] In the utility model, the tooth seat on the bucket tooth body and the bucket lip of the bucket are connected by clamping through the clamping device, thereby enhancing the stability of the connection between the tooth seat and the bucket lip and reducing the occurrence of the bucket tooth body falling off the bucket lip during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0033] Figure 1 It is a three-dimensional structural schematic diagram of the bucket tooth body and the wear-resistant block in the utility model when assembled;

[0034] Figure 2 It is another three-dimensional structural schematic diagram of the bucket tooth body and the wear-resistant block in the utility model when assembled;

[0035] Figure 3 It is a schematic cross-sectional view of the structure of the bucket tooth body and the wear-resistant block when assembled in the utility model;

[0036] Figure 4 It is a three-dimensional structural schematic diagram of the bucket tooth body and the clamping device of the utility model when assembled (the bucket lip is not shown);

[0037] Figure 5 It is a schematic cross-sectional view of the bucket tooth body and the first wedge device in the utility model;

[0038] Figure 6 It is an exploded view of the bucket tooth body, the clamping device and the anti-slip device of the utility model when being assembled;

[0039] Figure 7 It is a side view structural schematic diagram of the bucket tooth body, the clamping device and the anti-slip device of the utility model when assembled;

[0040] Figure 8 for Figure 7 AA-direction cross-sectional structural diagram;

[0041] Fig. 9 for Figure 7 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0042] Fig.10 It is a three-dimensional structural schematic diagram of the bucket tooth body and the wear-resistant body of the utility model when assembled;

[0043] In the figure, 1. bucket tooth body; 101. tooth base; 1011. wear-resistant surface; 1012. arc-shaped groove; 102. tooth seat; 1021. accommodating groove; 1022. snap-fit ​​groove; 1023. mounting groove; 1024. through hole; 1025. snap-fit ​​groove; 2. wear-resistant block; 3. snap-fit ​​device; 301. first wedge; 3011. arc groove; 302. second wedge; 3021. slide groove; 303. slider; 4. anti-slip device; 401. mounting plate; 4011. connecting groove; 402. connecting pin; 403. base plate; 404. cone; 5. first mounting seat; 6. second mounting seat; 7. wear-resistant body. DETAILED DESCRIPTION

[0044] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0045] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0046] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0047] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0048] like Figure 1 to Figure 10As shown, this embodiment proposes an electric shovel wear-resistant rod bucket tooth, which is used to be snap-fitted on the bucket lip of the bucket, including: a bucket tooth body 1, having a tooth base 101 and a tooth seat 102, the tooth base 101 and the tooth seat 102 are integrally formed, the tooth seat 102 is used to snap-fit ​​with the bucket lip, the tooth base 101 has a wear-resistant surface 1011, and the wear-resistant surface 1011 is inclined; the tooth seat 102 has a receiving groove 1021 and two snap-fitting grooves 1022, the receiving groove 1021 is used to snap-fit ​​with the bucket lip, and the two snap-fitting grooves 102 2 are respectively located on both sides of the accommodating groove 1021 and are connected to the accommodating groove 1021; there are a plurality of wear-resistant blocks 2, and two rows of wear-resistant blocks 2 are arranged in an array on the wear-resistant surface 1011; the clamping device 3 includes: a first wedge 301, which is plugged into the clamping groove 1022; a second wedge 302, which is plugged into the clamping groove 1022, the first wedge 301 abuts against the second wedge 302, and the first wedge 301 and the second wedge 302 are clamped together in the clamping groove 1022.

[0049] In this embodiment, the cross-section of the tooth base 101 is trapezoidal, and the length of the upper end of the tooth base 101 is shorter than the length of the lower end of the tooth base 101; when a plurality of bucket lips on the bucket body are snap-fitted with a bucket tooth body 1, a plurality of tooth bases 101 are serrated on the bucket, and when the operator needs to perform mining operations, the top of the tooth base 101 contacts the mineral and soil, reducing the contact area, which can better impact the ore and soil layer and speed up the mining operation efficiency; the tooth base 101 and the tooth seat 102 are integrally formed, and compared with the split design of the tooth base 101 and the tooth seat 102, the strength of the bucket tooth body 1 is enhanced, and the occurrence of the bucket tooth body 1 breakage is reduced during the mining operation; The size of the receiving groove 1021 can accommodate a bucket lip, so as to avoid the bucket lip from contacting with ore and soil during excavation, thereby protecting the bucket lip; the two clamping grooves 1022 are rectangular, and the clamping grooves 1022 are perpendicular to the accommodating groove 1021 and penetrate the accommodating groove 1021; the wear-resistant block 2 is rectangular, and two rows of wear-resistant blocks 2 are arranged in an array on the inclined wear-resistant surfaces 1011 on both sides of the tooth base 101. When operating, the end of the tooth base 101 first contacts the mineral and soil layer, and then the wear-resistant surface 1011 frictionally contacts the mineral and soil layer to shovel the ore and soil into the bucket. The setting of the wear-resistant block 2 reduces the friction loss of the wear-resistant surface 1011 and extends the service life of the wear-resistant surface 1011.

[0050] In this embodiment, during installation, the operator first makes the accommodating groove 1021 wrap around a bucket lip, and then makes the first wedge 301 pass through the clamping groove 1022 from one side of the bucket tooth body 1, and then makes the second wedge 302 slide into the clamping groove 1022 from the opposite side by knocking. The two wedges are squeezed and rubbed to ensure that a bucket tooth body 1 and a bucket lip are clamped together, so that the bucket tooth body 1 and the bucket lip are fixed and stable and not easy to fall off. Another installation form is: first make the accommodating groove 1021 wrap around a bucket lip, then make the first wedge 301 enter from one side of the bucket tooth body 1, but not completely enter into the clamping groove 1022, and then make the second wedge 302 enter but not completely enter into the clamping groove 1022, and then the operator knocks the first wedge 301 and the second wedge 302 on both sides opposite to each other at intervals, so that the first wedge 301 and the second wedge 302 pass through the clamping groove 1022, and the first wedge 301 and the second wedge 302 generate extrusion and friction during the knocking process, so that the bucket tooth body 1 is stably clamped and matched with the bucket lip.

[0051] Optionally, the clamping device 3 also includes: a slider 303, which is arranged on the side where the first wedge 301 abuts the second wedge 302, and the cross-section of the slider 303 is trapezoidal; the side where the second wedge 302 abuts the first wedge 301 has a sliding groove 3021 that is clamped with the slider 303.

[0052] In this embodiment, the bottom of the first wedge 301 has a slider 303, and the cross-section of the slider 303 is trapezoidal. The upper part of the second wedge 302 has a slide groove 3021, and the shape of the slide groove 3021 is adapted to the slider 303. The setting of the slider 303 and the slide groove 3021 prevents the first wedge 301 and the second wedge 302 from being offset when they are knocked into the snap-in groove 1022. At the same time, the first wedge 301 and the second wedge 302 are accurately aligned between knocking, and the operator can be prevented from assembling the first wedge 301 and the second wedge 302 incorrectly in the snap-in groove 1022.

[0053] Optionally, it further includes: an anti-slip device 4, which includes: the tooth seat 102 also has a mounting groove 1023 and a through hole 1024, the mounting groove 1023 is located on one side of the tooth seat 102, the through hole 1024 passes through one of the clamping grooves 1022, and the mounting groove 1023 and the through hole 1024 are connected; the first wedge 301 has an arc groove 3011, and after the first wedge 301 is plugged into the clamping groove 1022, the arc groove 3011 and the clamping groove 1022 are connected. Connected; a mounting plate 401, which is snap-fitted into the mounting groove 1023, and the mounting plate 401 has a connecting groove 4011; a connecting pin 402, which passes through the through hole 1024, and is used to connect the first wedge 301 and the gear seat 102; a base plate 403, which is arranged at one end of the connecting pin 402, and the base plate 403 is snap-fitted and connected with the connecting groove 4011; a conical cylinder 404, which is sleeved on the connecting pin 402, and the conical cylinder 404 is snap-fitted and connected with the arc groove 3011.

[0054] In this embodiment, the mounting groove 1023 is rectangular, the through hole 1024 is located at one end of the mounting groove 1023, and the through hole 1024 passes through the mounting groove 1023 and the clamping groove 1022; the mounting plate 401 is rectangular and matches the shape of the mounting groove 1023; the connecting groove 4011 is a semi-enclosed structure; the base plate 403 is rectangular and matches the shape of the connecting groove 4011; when the first wedge 301 and the second wedge 302 are both plugged into the clamping groove 1022, and the first wedge 301 and the second wedge 302 are in contact, the operator can knock to make the cone 404 pass through the through hole 1024 that passes through the clamping groove 1022, and after continuous knocking, the cone 404 can be inserted into the through hole 1024 that passes through the clamping groove 1022. The cone 404 and the arc groove 3011 are snap-fitted, and then the operator snaps the mounting plate 401 into the mounting groove 1023. Then the operator makes the connecting pin 402 enter the cone 404 by knocking. At this time, the base plate 403 is snap-fitted into the connecting groove 4011. At this time, the first wedge 301 is fixed in the snap-fitting groove 1022 by the anti-slip device 4. The setting of the anti-slip device 4 reduces the possibility of the first wedge 301 falling off from the snap-fitting groove 1022 after a long period of excavation operation, so that a tighter extrusion contact is formed between the first wedge 301 and the second wedge 302. At the same time, the snap-fitting between the bucket tooth body 1 and the bucket lip is made more secure.

[0055] When the wear-resistant block 2 is worn too much and the bucket teeth need to be replaced, the connecting pin 402 needs to be knocked out from one side and then the first wedge 301 is removed. Secondly, after long-term use, the connecting pin 402 may be squeezed by sand and gravel and is not easy to be knocked out. Secondly, by setting the mounting plate 401 and the cone 404, the middle connection structure is increased, and a detachable separation structure is added. When the connecting pin 402 receives the knocking force, there are more detachable positions to achieve splitting, so that disassembly can be better achieved.

[0056] Optionally, the cross section of the connecting groove 4011 is trapezoidal.

[0057] In this embodiment, the cross section of the connection groove 4011 is trapezoidal. When the base plate 403 and the connection groove 4011 form a snap connection, the snap connection between the base plate 403 and the mounting plate 401 is more secure.

[0058] Optionally, there are two anti-slip devices 4 , and the two anti-slip devices 4 are respectively located on both sides of the accommodating groove 1021 .

[0059] In this embodiment, the two anti-slip devices 4 enable the first wedge 301 to be more firmly fixed on the tooth seat 102, thereby ensuring the firmness of the snap-fit ​​between the bucket tooth body 1 and the bucket lip.

[0060] Optionally, both sides of the tooth seat 102 have a locking groove 1025; it also includes: a first mounting seat 5, which is arranged at one end of the first wedge 301, and after the first wedge 301 passes through the locking groove 1022, the first mounting seat 5 is located outside the tooth seat 102; a second mounting seat 6, which is arranged at one end of the second wedge 302, and after the second wedge 302 passes through the locking groove 1022, the second mounting seat 6 is located in the locking groove 1025.

[0061] In this embodiment, the provision of the first mounting seat 5 and the second mounting seat 6 expands the contact area of ​​the first wedge 301 and the second wedge 302 when being struck, so that the operator can better strike the first wedge 301 and the second wedge 302; the first mounting seat 5 and the second mounting seat 6 can also enable the first wedge 301 and the second wedge 302 to be firmly fixed after being engaged with the engaging groove 1022.

[0062] Optionally, one side of the tooth base 101 has an arc-shaped groove 1012 , and the arc-shaped groove 1012 is located between two rows of wear-resistant blocks 2 .

[0063] In this embodiment, an arc-shaped groove 1012 is provided on one side of the tooth base 101, and the arc-shaped groove 1012 is located between two rows of wear-resistant blocks 2. The setting of the arc-shaped groove 1012 reduces the sliding friction area between the tooth base 101 and the ore and soil layer. At the same time, the effective length of the end of the tooth base 101 and the thickness of the tooth base 101 can be increased without increasing the weight of the shovel tooth, thereby increasing the wear resistance of the tooth base 101.

[0064] Optionally, it further comprises: a wear-resistant body 7 which is snap-fittedly arranged at the end of the tooth base 101 , and a plurality of wear-resistant blocks 2 are arranged at the end of the wear-resistant body 7 .

[0065] In this embodiment, the shape of the wear-resistant body 7 is adapted to the end of the tooth base 101, and can be snap-fitted to the end of the tooth base 101 by means of bolts or plug-in connections. A plurality of wear-resistant blocks 2 are provided at the end of the wear-resistant body 7. The provision of the wear-resistant body 7 protects the end of the tooth base 101 and extends the service life of the tooth base 101. The provision of the wear-resistant blocks 2 extends the service life of the wear-resistant body 7.

[0066] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. The wear-resistant rod bucket teeth of the electric shovel are used for snap-fitting on the bucket lip of the bucket, and are characterized by: include: A bucket tooth body (1) comprises a tooth base (101) and a tooth seat (102), wherein the tooth base (101) and the tooth seat (102) are integrally formed, the tooth seat (102) is used for engaging with the bucket lip, and the tooth base (101) comprises a wear-resistant surface (1011), wherein the wear-resistant surface (1011) is arranged obliquely; The tooth seat (102) has a receiving groove (1021) and two clamping grooves (1022), the receiving groove (1021) is used to clamp with the bucket lip, and the two clamping grooves (1022) are respectively located on both sides of the receiving groove (1021) and are in communication with the receiving groove (1021); There are a plurality of wear-resistant blocks (2), and two rows of the wear-resistant blocks (2) are arranged in an array on the wear-resistant surface (1011); A clamping device (3), the clamping device (3) comprising: A first wedge (301) is plugged into and matched with the clamping groove (1022); The second wedge (302) is plugged into the engaging groove (1022), the first wedge (301) is in contact with the second wedge (302), and the first wedge (301) and the second wedge (302) are jointly engaged in the engaging groove (1022).

2. The electric shovel wear-resistant rod bucket tooth according to claim 1 is characterized in that: The clamping device (3) further comprises: A slider (303) is arranged on a side where the first wedge (301) and the second wedge (302) abut against each other, and the cross section of the slider (303) is trapezoidal; The side of the second wedge (302) abutting against the first wedge (301) has a sliding groove (3021) that is engaged with the sliding block (303).

3. The electric shovel wear-resistant rod bucket tooth according to claim 1, characterized in that: Also includes: The anti-slip device (4) comprises: The tooth seat (102) further comprises a mounting groove (1023) and a through hole (1024), wherein the mounting groove (1023) is located at one side of the tooth seat (102), and the through hole (1024) passes through one of the clamping grooves (1022), and the mounting groove (1023) and the through hole (1024) are in communication; the first wedge (301) comprises a circular arc groove (3011), and after the first wedge (301) is plugged into the clamping groove (1022), the circular arc groove (3011) and the clamping groove (1022) are in communication; A mounting plate (401) is clamped and arranged in the mounting groove (1023), and the mounting plate (401) has a connecting groove (4011); A connecting pin (402) passes through the through hole (1024) and is used to connect the first wedge (301) and the gear seat (102); A base plate (403) is arranged at one end of the connecting pin (402), and the base plate (403) is snap-connected with the connecting groove (4011); A conical cylinder (404), wherein the conical cylinder (404) is sleeved on the connecting pin (402), and the conical cylinder (404) is snap-connected with the circular arc groove (3011).

4. The electric shovel wear-resistant rod bucket tooth according to claim 3 is characterized in that: The cross section of the connecting groove (4011) is trapezoidal.

5. The electric shovel wear-resistant rod bucket tooth according to claim 4, characterized in that: There are two anti-slip devices (4), and the two anti-slip devices (4) are respectively located on both sides of the accommodating groove (1021).

6. The electric shovel wear-resistant rod bucket tooth according to claim 1, characterized in that: Both sides of the tooth seat (102) are provided with a locking groove (1025); and further comprising: A first mounting seat (5) is arranged at one end of the first wedge (301), and after the first wedge (301) passes through the clamping groove (1022), the first mounting seat (5) is located outside the tooth seat (102); The second mounting seat (6) is arranged at one end of the second wedge (302), and after the second wedge (302) passes through the engaging groove (1022), the second mounting seat (6) is located in the engaging groove (1025).

7. The electric shovel wear-resistant rod bucket tooth according to claim 2, characterized in that: One side of the tooth base (101) is provided with an arc-shaped groove (1012), and the arc-shaped groove (1012) is located between two rows of wear-resistant blocks (2).

8. The electric shovel wear-resistant rod bucket tooth according to claim 1, characterized in that: Also includes: The wear-resistant body (7) is arranged at the end of the tooth base (101) in a snap-fitting manner, and a plurality of the wear-resistant blocks (2) are arranged at the end of the wear-resistant body (7).

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