CN204182452U - For the bucket tooth of high-frequency breaking hammer - Google Patents
For the bucket tooth of high-frequency breaking hammer Download PDFInfo
- Publication number
- CN204182452U CN204182452U CN201420644476.4U CN201420644476U CN204182452U CN 204182452 U CN204182452 U CN 204182452U CN 201420644476 U CN201420644476 U CN 201420644476U CN 204182452 U CN204182452 U CN 204182452U
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- CN
- China
- Prior art keywords
- denticle
- toothholder
- bucket tooth
- insertion section
- inner chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a kind of bucket tooth for high-frequency breaking hammer, it comprises toothholder, denticle and the connector for connecting toothholder and denticle, wherein, toothholder has the insertion section can inserting denticle, insertion section is tabular, have two the plate faces be parallel to each other and two the load inclined-planes intersecting sharp angle α, intersection, two load inclined-planes is rounding off; Denticle has the inner chamber of the insertion section insertion being suitable for toothholder, and the shape of inner chamber and the outline of insertion section match; The inner chamber of denticle is inserted in the insertion section of toothholder, and described toothholder and denticle is fixed by connector.The utility model overcomes the defect of traditional bucket tooth, advantages such as having easy installation and removal, easily change, crushing efficiency is high.
Description
Technical field
The utility model relates to a kind of engineering machinery for crushing operation, particularly relates to a kind of bucket tooth for high-frequency breaking hammer.
Background technology
High-frequency breaking hammer is a kind of New engineering machinery for crushing operation, the work of hydraulic piston type quartering hammer can be substituted, crushing operation under water can be carried out when not reequiping, be applicable to the work-yards such as all kinds of mine, stone pit, constructing tunnel, basis fragmentation, building demolition and seabeach, irrigation canals and ditches, river course, wetland, the rock operating mode of sandstone, decomposed rock, part limestone and Karst geomorphological structure has significant advantage.
High-frequency breaking hammer is made up of parts such as housing, exciting case, upper and lower strut, frame, bucket tooths usually, hydraulic energy is provided to drive hydraulic motor by the hydraulic system of excavator, a pair eccentric wheel be arranged in exciting case is driven to rotate by gear drive, form exciting force thus, then by the casing of exciting case, vibration passing is carried out crushing operation to bucket tooth.High-frequency breaking hammer, when fractured rock, mainly utilizes the crackle between rock to carry out high frequency strike, makes crackle increasing under the effect of high frequency, makes it be formed to make a concerted effort and separated and then come off.All can crack at the whole rock face of dither, as long as vibrate within 50cm scope at impact rock, its periphery can come off very soon.
In when crushing operation, the bucket tooth of high-frequency breaking hammer should have the interior angle being less than 90 degree, when vibrating, excavator needs constantly adjustment interior angle to carry out fragmentation, and directly contacting with the thing that is broken due to it and transmit the dither produced from vibrating bin, is the attrition component in high-frequency breaking hammer.
The denticle of the existing bucket tooth for high-frequency breaking hammer is usually directly welded on toothholder or utilizes wedge pin denticle and toothholder to be fixed.
In the bucket tooth of welding, toothholder is generally shorter rectangular pyramid, and the inner chamber of denticle is corresponding rectangular pyramid shape hole, to be enclosed within by denticle on toothholder and to weld at interface.Such structure makes toothholder and denticle inner chamber fit bad, easily produces space, when high-frequency breaking hammer hits rock, can produce relative displacement, easily make defective weld crack thus make bucket tooth damage etc. between denticle and toothholder.Further, when constructing in the wild, a lot of local also non-transformer, repairs bucket tooth abnormal inconvenient.
In the bucket tooth using wedge pin, the general symmetrical wedgewise of toothholder, the rear end relative with denticle working end is provided with the wedged hole coordinated with wedge shape position, wedge shape through hole is provided with in the middle of toothholder, by wedge pin to be arranged in wedge shape through hole and by screw through wedge pin with fixing denticle and toothholder, the contact area of this type of bucket tooth in use due to toothholder and denticle is very limited, when crushing operation, toothholder easily produces displacement, and its force part mainly concentrates on connector (i.e. wedge pin and screw), the damage of connector and toothholder is easily caused even to rupture, in addition, the buffering produced can cause energy loss, reduce crushing efficiency, and after a procedure, because denticle consumptive material is more, entirety reparation is carried out to the denticle be worn, can be expended time in length, cost is high.
Utility model content
For above-mentioned shortcoming of the prior art, the bucket tooth for high-frequency breaking hammer that the purpose of this utility model is to provide a kind of easy installation and removal, easily changes, crushing efficiency is high.
To achieve these goals, bucket tooth for high-frequency breaking hammer of the present utility model comprises toothholder, denticle and the connector for connecting toothholder and denticle, wherein, toothholder has the insertion section can inserting denticle, insertion section is tabular, have two the plate faces be parallel to each other and two the load inclined-planes intersecting sharp angle α, intersection, two load inclined-planes is rounding off; Denticle has the inner chamber of the insertion section insertion being suitable for toothholder, and the shape of inner chamber and the outline of insertion section match; The inner chamber of denticle is inserted in the insertion section of toothholder, and described toothholder and denticle is fixed by connector.
In a kind of preferred embodiment of the present utility model, the inner chamber of denticle has two parallel walls corresponding with the insertion section of toothholder and two skew walls.The periphery of two parallel walls of the inner chamber of denticle is formed with boss, and all the other positions sink.The sharp angle α of toothholder insertion section of the present utility model can be preferably 20 to 40 degree.
In another preferred embodiment of the present utility model, have gap between denticle and connector, the size in this gap is arranged to be enough to avoid connector and denticle to contact when bucket tooth crushing operation.
In another preferred embodiment of the present utility model, between the insertion section and the inner chamber of denticle of toothholder, have the flexible pad for calking, described flexible pad can be preferably copper sheet.
In a preferred embodiment more of the present utility model, the outline of denticle is tabular, and have two parallel surfaces be parallel to each other and two inclined-planes intersecting acute angles beta, the acute angles beta of denticle outline is less than or equal to the sharp angle α of toothholder insertion section.
In a preferred embodiment more of the present utility model, connector comprises alligator, alligator nail and lock washer, and described alligator is through the pin-and-hole being located at toothholder and denticle, and alligator nail inserts described alligator, and alligator and alligator are followed closely and locked by lock washer.The inner ring of alligator has screw thread, and the outer ring of alligator nail has the screw thread matched with the screw thread of the inner ring of alligator.
The utility model has following Advantageous Effects relative to prior art:
Bucket tooth of the present utility model comprises toothholder, denticle and the connector for connecting toothholder and denticle, therefore easy installation and removal, easily changes, and in use, when denticle weares and teares, only need change denticle, not need to change whole bucket tooth.
Because the insertion section of toothholder is contacted with the inner chamber of denticle by load inclined-plane, bucket tooth is when carrying out crushing operation, the two load inclined-planes matched with inner chamber in the stressed insertion section mainly concentrating on toothholder, when can avoid crushing operation, bucket tooth is stressed concentrates on connector, can effectively prevent the damage of connector and toothholder from even rupturing.
When the periphery of two parallel walls of the inner chamber of denticle is formed with boss, the sinking of all the other positions, the contact area of the parallel surface of insertion section can be reduced, prevent the load on its interference load inclined-plane, even if the machining accuracy of denticle inner chamber is not ideal, also can guarantee to coordinate well between the load inclined-plane and the skew wall of inner chamber of insertion section, thus guarantee that bucket tooth is when crushing operation, force part concentrates on two load inclined-planes that toothholder matches with inner chamber.
When there is gap between denticle and connector, connector and denticle can be avoided to contact when bucket tooth crushing operation, connector can not be stressed when crushing operation to guarantee bucket tooth further, connector only bears the gravity of bucket tooth when bucket tooth is upwards mentioned, thus it is stressed to reduce connector further, prevents connector from damaging and even rupture.
When there is the flexible pad for calking between the insertion section and the inner chamber of denticle of toothholder, because flexible material is easily deformable, the inner chamber of denticle is inserted in the insertion section can being convenient to toothholder, and be convenient to the inner chamber of the insertion section of toothholder from denticle to take apart when changing denticle, thus increase work efficiency.
Because connector is made up of alligator, alligator nail and lock washer, in installation process, only inner hexagon spanner need be used to install, installing/dismounting is all very simple and convenient in any environment, and connector annexation is firm.
Below with reference to accompanying drawing and concrete embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation be installed on according to bucket tooth of the present utility model in high-frequency breaking hammer.
Fig. 2 is the structural representation of the bucket tooth for high-frequency breaking hammer according to a kind of detailed description of the invention of the present utility model.
Fig. 3 is the sectional view of the bucket tooth in Fig. 2 along A-A line.
Fig. 4 is the structural representation of the denticle of the bucket tooth for high-frequency breaking hammer according to another kind of detailed description of the invention of the present utility model.
Fig. 5 is the sectional view of the denticle in Fig. 4 along B-B line.
Fig. 6 is the structural representation of the bucket tooth for high-frequency breaking hammer according to another detailed description of the invention of the present utility model.
Detailed description of the invention
Fig. 1 represents the structural representation be installed on according to bucket tooth of the present utility model in high-frequency breaking hammer.Fig. 2 represents the structural representation of the bucket tooth for high-frequency breaking hammer according to a kind of embodiment of the present utility model.Fig. 3 is the sectional view of the bucket tooth in Fig. 2 along A-A line.
As shown in Figure 1 to Figure 3, in the present embodiment, the bucket tooth for high-frequency breaking hammer comprises toothholder 1, denticle 2 and the connector 3 for connecting toothholder and denticle.Toothholder 1 has the insertion section 11 can inserting denticle, insertion section 11 is in tabular, there are two plate face 11a, the 11b be parallel to each other and two load inclined-planes 11c, 11d intersecting sharp angle α, 11c, 11d intersection, two load inclined-planes is rounding off, the sharp angle α of the insertion section 11 of toothholder is 20 to 40 degree, is preferably 30 degree.Denticle 2 has the inner chamber 21 of insertion section 11 insertion being suitable for toothholder, the shape of inner chamber 21 and the outline of insertion section 11 match, specifically, the inner chamber 21 of denticle has corresponding with two plate faces 11a, 11b of the insertion section 11 of toothholder respectively two parallel walls 21a, 21b, and two skew wall 21c, 21ds corresponding with two load inclined-planes 11c, 11d of the insertion section 11 of toothholder respectively, wherein, two load inclined-planes 11c, 11d of the insertion section 11 of toothholder contact with two skew walls 21c, 21d of the inner chamber 21 of denticle respectively.
The inner chamber 21 of denticle is inserted in the insertion section 11 of toothholder, toothholder 1 and denticle 2 is fixed by connector 3.Because the insertion section of toothholder contacts with two skew walls 21c, 21d of the inner chamber 21 of denticle respectively with the inner chamber of denticle two load inclined-planes 11c, 11d mainly through the insertion section 11 of toothholder, bucket tooth is when crushing operation, force part mainly concentrates on two load inclined-planes 11c, 11d that toothholder matches with inner chamber, avoids stressedly concentrating on connector; Connector 3 only bears the gravity of bucket tooth when bucket tooth is upwards mentioned, therefore, connector is stressed less, effectively can prevent the damage of connector and toothholder.
Denticle outline in present embodiment is triangle tabular, and its outer surface has two parallel surfaces 22a, 22b and intersects two inclined-planes 22c, 22d of acute angles beta.In the present embodiment, the shape of the inner chamber 21 of denticle is substantially consistent with the outer contour shape of denticle, two skew walls 21c, 21d of the inner chamber 21 of denticle parallel with two inclined-planes 22c, 22d of denticle outline respectively, two parallel walls 21a, 21b of the inner chamber 21 of denticle parallel with two parallel surfaces 22a, 22b of denticle outline respectively, acute angles beta is identical with sharp angle α, two load inclined-plane 11c, 11d uniform force of the insertion section 11 of such toothholder, effectively can prevent the damage of toothholder, the stressed of connector 3 can also be alleviated further simultaneously.In other embodiments, the shape of the inner chamber 21 of denticle and the outer contour shape of denticle can be inconsistent, and acute angles beta can be different from sharp angle α, can adjust according to the acute angles beta of practical application to denticle, such as, and β < α.
Connector 3 in present embodiment is made up of alligator 31, alligator nail 32 and lock washer 33, and toothholder 1 and denticle 2 are respectively equipped with pin-and-hole 13 and pin-and-hole 24.One end of alligator 31 is large round end 311, one end of alligator nail 32 is same large round end 321, alligator 31 is through the pin-and-hole 13 of toothholder and the pin-and-hole 24 of denticle, the large round end 311 of alligator 31 is stuck in outside the pin-and-hole 13 of toothholder side, alligator nail 32 is locked by lock washer 33 and alligator 31, and the large round end 321 of alligator nail 32 is stuck in outside the pin-and-hole 13 of toothholder opposite side.The inner ring of alligator 31 has screw thread, and the outer ring of alligator nail 32 has the screw thread matched with the screw thread of the inner ring of alligator 31.There is between denticle 2 and connector 3 gap 5, specifically, between the large round end 321 that the large round end 311 of denticle and alligator and alligator are followed closely, there is gap 5 respectively, the size in this gap is arranged to be enough to avoid connector 3 and denticle to contact when bucket tooth crushing operation, thus avoids connector 3 to be directly subject to the shearing force of toothholder 1 and denticle 2.Like this, connector 3 can not be stressed when crushing operation for bucket tooth, and connector 3 only bears the gravity of bucket tooth when bucket tooth is upwards mentioned, and reduces connector 3 further stressed, effectively prevent connector 3 from damaging.
Denticle in present embodiment is arranged in high-frequency breaking hammer in the following way: be first pushed on toothholder 1 by denticle 2, is then patted by alligator 31 in the pin-and-hole of denticle and toothholder, uses alligator nail 32 to be screwed in alligator 31 through lock washer 33, and fastening.Such connected mode only need use inner hexagon spanner to install in installation process, and installing/dismounting is all very simple and convenient in any environment, and connector annexation is firm.
Fig. 4 represents the structural representation of the denticle of the bucket tooth for high-frequency breaking hammer involved by another kind of embodiment of the present utility model.Fig. 5 is the sectional view of the denticle in Fig. 4 along B-B line.
As shown in Figure 4 and Figure 5, in the present embodiment, the structure of bucket tooth is roughly the same with the bucket tooth in aforementioned figures 1 to 3, its difference is two parallel walls 21a of the inner chamber at denticle, the periphery of 21b is formed with boss 25, all the other positions sink, the parallel surface 11a of the insertion section 11 of toothholder, 11b contact with boss 25 and not with sinking location contacts, thus the contact area on reduction parallel surface, prevent its interference load inclined-plane 11c, the load of 11d, even if the machining accuracy of denticle inner chamber is not ideal like this, also the load inclined-plane 11c of insertion section can be guaranteed, the skew wall 21c of 11d and inner chamber, coordinate well between 21d, thus guarantee that bucket tooth is when crushing operation, force part concentrates on two load inclined-plane 11c that toothholder matches with inner chamber further, 11d.
Fig. 6 represents the structural representation of the bucket tooth for high-frequency breaking hammer involved by another embodiment of the present utility model.
As shown in Figure 6, in the present embodiment, the structure of bucket tooth is roughly the same with the bucket tooth in aforementioned figures 1 to 5, and its difference is the flexible pad 4 had between the insertion section 11 and the inner chamber 21 of denticle of toothholder for calking, and described flexible pad is preferably copper sheet.Specifically, place between two parallel walls 21c, 21d and at two load inclined-plane 11c, 11d of the insertion section 11 of toothholder and the inner chamber 21 of denticle the flexible pad 4 being used for calking between two skew walls 21c, 21d respectively at two parallel surfaces 11c, 11d of the insertion section 11 of toothholder and the inner chamber 21 of denticle, because flexible material is easily deformable, the inner chamber of denticle is inserted in the insertion section can being convenient to toothholder, and be convenient to the inner chamber of the insertion section of toothholder from denticle to take apart when changing denticle, thus increase work efficiency.
Although be described the utility model in conjunction with detailed description of the invention in the utility model description; but; those of ordinary skill in the art is to be understood that; detailed description of the invention of the present utility model is only used for illustrating; any restriction is not formed to protection domain of the present utility model; under the prerequisite not departing from the utility model essence; can carry out various amendment or equivalents to the technical solution of the utility model, any amendment or equivalents still fall into protection domain of the present utility model.
Claims (10)
1., for the bucket tooth of high-frequency breaking hammer, described bucket tooth comprises toothholder, denticle and the connector for connecting described toothholder and described denticle, it is characterized in that:
Described toothholder has the insertion section can inserting denticle, and described insertion section is tabular, and have two the plate faces be parallel to each other and two the load inclined-planes intersecting sharp angle α, intersection, described two load inclined-planes is rounding off;
Described denticle has the inner chamber of the insertion section insertion being suitable for described toothholder, and the shape of described inner chamber and the outline of described insertion section match;
The inner chamber of described denticle is inserted in the insertion section of described toothholder, and described toothholder and described denticle is fixed by described connector.
2. bucket tooth as claimed in claim 1, it is characterized in that, the inner chamber of described denticle has two parallel walls corresponding with the insertion section of described toothholder and two skew walls.
3. bucket tooth as claimed in claim 2, it is characterized in that, the periphery of two parallel walls of described denticle inner chamber is formed with boss, and all the other positions sink.
4. bucket tooth as claimed in claim 1, is characterized in that, the scope of the sharp angle α of the insertion section of described toothholder is 20 to 40 degree.
5. bucket tooth as claimed in claim 1, it is characterized in that having gap between described denticle and described connector, the size in this gap is arranged to be enough to avoid described connector to contact when bucket tooth carries out crushing operation with denticle.
6. bucket tooth as claimed in claim 1, is characterized in that between the insertion section of described toothholder and the inner chamber of described denticle, have the flexible pad for calking.
7. bucket tooth as claimed in claim 6, it is characterized in that, described flexible pad is copper sheet.
8. bucket tooth as claimed in claim 1, it is characterized in that, the outline of described denticle is tabular, has two parallel surfaces be parallel to each other and two inclined-planes intersecting acute angles beta.
9. bucket tooth as claimed in claim 8, it is characterized in that, the acute angles beta of described denticle outline is less than or equal to the sharp angle α of described toothholder insertion section.
10. bucket tooth as claimed in any one of claims 1-9 wherein, it is characterized in that, described connector comprises alligator, alligator nail and lock washer, and described alligator is through the pin-and-hole being located at toothholder and denticle, described alligator nail inserts described alligator, and described alligator and described alligator are followed closely and locked by lock washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644476.4U CN204182452U (en) | 2014-10-31 | 2014-10-31 | For the bucket tooth of high-frequency breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644476.4U CN204182452U (en) | 2014-10-31 | 2014-10-31 | For the bucket tooth of high-frequency breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204182452U true CN204182452U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644476.4U Expired - Fee Related CN204182452U (en) | 2014-10-31 | 2014-10-31 | For the bucket tooth of high-frequency breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204182452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457729A (en) * | 2015-12-16 | 2016-04-06 | 山东天瑞重工有限公司 | Alloy-embedded bucket tooth of high-frequency unit |
| CN105618228A (en) * | 2014-10-31 | 2016-06-01 | 犹永勤 | Bucket tooth used for high-frequency breaking hammer |
-
2014
- 2014-10-31 CN CN201420644476.4U patent/CN204182452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618228A (en) * | 2014-10-31 | 2016-06-01 | 犹永勤 | Bucket tooth used for high-frequency breaking hammer |
| CN105457729A (en) * | 2015-12-16 | 2016-04-06 | 山东天瑞重工有限公司 | Alloy-embedded bucket tooth of high-frequency unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160206 Address after: 550000, No. 3, unit 5, building 185, South Baoshan Road, Nanming District, Guizhou, Guiyang, 7 Patentee after: You Yongqin Patentee after: GUIZHOU HONGFENG ZHONGZHI ENGINEERING MACHINERY CO., LTD. Patentee after: Huang Zhengguang Patentee after: Guiyang Daxin Machining Co., Ltd. Address before: 550000, Guizhou, Guiyang Province Economic and Technological Development Zone, Meng Meng Industrial Park (Guiyang equipment manufacturing eco industrial park standard plant two phase, Project No. 5, building 1) Patentee before: GUIZHOU HONGFENG ZHONGZHI ENGINEERING MACHINERY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |