CN104988958A - Luoyang shovel - Google Patents
Luoyang shovel Download PDFInfo
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- CN104988958A CN104988958A CN201510438831.1A CN201510438831A CN104988958A CN 104988958 A CN104988958 A CN 104988958A CN 201510438831 A CN201510438831 A CN 201510438831A CN 104988958 A CN104988958 A CN 104988958A
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- perching knife
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- impact cylinder
- cylinder
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Abstract
The invention relates to an improvement of an engineering geological prospecting tool, in particular to a Luoyang shovel. The Luoyang shovel comprises a shovel knife and a weighting rod, wherein the shovel knife is cylindrical, the lower part thereof is a soil taking cylinder, and the upper part thereof is an impact cylinder; the diameter of the impact cylinder is greater than the diameter of the soil taking cylinder; an impact cylinder step is formed in the connected place of the impact cylinder and the soil taking cylinder; a shovel knife top cover is fixed at the top of the impact cylinder, and is provided with a shovel knife top cover center hole; an impact plate is arranged in the impact cylinder; a spring is arranged between the impact plate and the shovel knife top cover; the diameter of the impact plate is greater than the diameter of the soil taking cylinder and smaller than the diameter of the impact cylinder; the weighting rod penetrates through the shovel knife top cover center hole to be fixed with the impact plate; and a shovel knife bottom edge is arranged at the bottom of the soil taking cylinder. The Luoyang shovel is simple in structure, convenient for operation, low in labor intensity of operators, high in production efficiency, little in soil sample disturbance and high in soil sample extraction rate, is not liable to damage a connecting screw thread, and prolongs the service life of the Luoyang shovel.
Description
Technical field
The present invention relates to a kind of improvement of engineer geological prospecting instrument, be specifically related to a kind of luoyang spade.
Background technology
Along with the high speed development of national economy, engineering construction project is increasing, also more and more higher to the requirement of engineer geological prospecting.Engineer geological prospecting work is as the important means obtaining geologic information in kind, main task is in rock-soil layer, take rock core or undisturbed sample, require raise the efficiency and ensure its quality taking sample, taking the natural structure that should keep sample in specimen, to measure the physico-mechanical properties of soil, for engineering construction provides design considerations.Probing is carried out for deep layer soil layer or rock sample many employings machine dimensions drill and takes ground sample, for shallow-layer soil sample take also can use luoyang spade.
Luoyang spade mostly is a semicircular spades, on connect extension bar, stab vertically downward during use and hit ground, because soil crowning appearance adds the normal direction contact stress in the soil body and shovel face during shovel head incision soil layer, improve the shear strength in the soil body and shovel face, the shear stress making it overcome soil body gravity to produce, therefore, the earth of underground can be taken out of by shovel head, forms a wellhole, is used for the soil property of Underground soil layer.Luoyang spade is applied in geotechnical engineering and engineer geological prospecting work because of its Applied economy.
There is following defect in current luoyang spade: (1) is owing to adopting common screwed connection, rushing in the process of stratum at luoyang spade and pull up luoyang spade carries in native process, the weight of whole luoyang spade and soil and counter-force are mostly born by common screw thread, very easily cause screw thread stress to concentrate and screw thread is damaged.(2) current luoyang spade generally in soft soil layer sampling, luoyang spade can be made effectively to enter rock-soil layer in the method for the very useful hammer of extension bar, but common screw thread very easily damages under hammer action, thus cause extension bar to damage to hardpan.(3) luoyang spade enter comparatively hardpan time, because soil layer and perching knife frictional force increase, make to add difficulty when manually mentioning luoyang spade, even occur that perching knife is difficult to the phenomenon of extracting, labor intensity of operating staff increases, exploration efficiency reduces.(4) current luoyang spade is mostly semicircle or short arc, and when getting loose soil bed, soil sample is easy to come off or make soil sample to be disturbed, and have impact on soil sample and takes quality.These defects make the application of luoyang spade receive a definite limitation.
Summary of the invention
The object of the invention is to provide a kind of luoyang spade overcoming above-mentioned defect, this luoyang spade structure is simple, easy to operate, labor intensity of operating staff is little, production efficiency is high, little to the disturbance of soil sample, soil sample taking rate is high, and thread is not fragile, application life of extending luoyang spade.
For achieving the above object, the present invention adopts following technical scheme:
A kind of luoyang spade, comprises perching knife, weighted lever, and described perching knife is cylindric, and its underpart is soil sample barrel, and top is impact cylinder, and impact cylinder diameter is greater than soil sample barrel diameter, and impact cylinder and soil sample barrel junction form impact cylinder step; The top of impact cylinder is fixed with perching knife top cover, perching knife top cover is provided with perching knife top cap central bore; In impact cylinder, be furnished with shock plate, be provided with spring between shock plate and perching knife top cover, the diameter of shock plate is greater than soil sample barrel diameter and is less than impact cylinder diameter; Weighted lever is fixed together through perching knife top cap central bore and shock plate; The bottom of soil sample barrel is provided with perching knife shear blade.
A kind of luoyang spade, is connected with extension bar in the upper end of weighted lever by joint coupling, the pit end face that weighted lever contacts with extension bar being provided with boss and coordinating with boss.
A kind of luoyang spade, is connected with some extension bars in the upper end of extension bar by joint coupling, the pit end face that extension bar contacts with extension bar being provided with boss and coordinating with boss again.
A kind of luoyang spade, described boss and the pit coordinated with boss are round table-like, coniform or hemispherical.
Beneficial effect of the present invention: (1) extension bar and weighted lever junction end and be provided with recessed hollow round table and the solid round platform of projection, after grafting, sleeve pipe screwed connection use in outside, avoids screw thread stress concentrated.(2) can sample in the method for the very useful hammer of extension bar hardpan, under hammer action, extension bar and the stressed of weighted lever are all born by the solid round platform of projection and recessed hollow round table, and screw thread only connects effect, effectively can enter hardpan.(3) luoyang spade is when stamp hits soil layer vertically downward, and the weight of extension bar and weighted lever impacts impact cylinder step by shock plate, increases the degree of depth entering soil layer.Shock plate impacts the release of perching knife rear spring compression energy, makes the power of backwashing that perching knife is subject to upwards, and perching knife is easy to extract, exploration efficiency improves.(4) perching knife is cylindrical shape, and when getting loose soil bed, soil sample taking rate is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that extension bar of the present invention is connected by joint coupling with weighted lever.
In figure: 1. extension bar, 2. joint coupling, 3. weighted lever, 4. perching knife, the 11. recessed hollow round table in extension bar lower ends (pit), 12. extension bar lower ends male thread (external screw thread), screw thread (internal thread), the protruding solid round platform (boss) of 31. weighted levers, 32. weighted lever upper ends male thread (external screw thread) in 21. joint couplings, 41. perching knife top covers, 42. perching knife top cap central bore, 43. springs, 44. shock plates, 45. impact cylinders, 46. impact cylinder steps, 47. perching knife shear blades, 48. soil sample barrels.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in the figure, the present invention includes screw thread 21 in extension bar 1, the recessed hollow round table in extension bar lower end 11, extension bar lower end male thread 12, joint coupling 2, joint coupling, weighted lever 3, weighted lever protruding solid round platform 31, weighted lever upper end male thread 32, perching knife 4, perching knife top cover 41, perching knife top cap central bore 42, spring 43, shock plate 44, impact cylinder 45, impact cylinder step 46, perching knife shear blade 47, soil sample barrel 48.Extension bar 1 and weighted lever 3 pass through the screwed connection of joint coupling 2, and weighted lever 3 is connected with shock plate 44 through perching knife top cap central bore 42, and linking springs 43 between shock plate 44 and perching knife top cover 41, has impact cylinder step 46 in impact cylinder 45.
Extension bar 1 shaft hollow steel pipe makes to alleviate shaft weight, and extension bar upper surface is provided with protruding solid round platform, and protruding solid round platform steel is cast; Extension bar upper end external diameter car has screw thread, and its structure is the same with weighted lever 3 upper end.Extension bar 1 lower surface is provided with recessed hollow round table 11, and it is cast with steel, and extension bar lower end male thread 12 is for being connected with joint coupling 2.Extension bar 1 can be many extension bars, and its connection joint coupling 2 connects.
Joint coupling 2 hollow steel pipe makes, and extension bar 1 is connected by screw thread in joint coupling 21 with weighted lever 3.
Weighted lever 3 hollow steel pipe thicker than extension bar 1 makes, and weighted lever 3 upper surface is provided with the protruding solid round platform 31 of weighted lever, external diameter is provided with weighted lever male thread 32.The recessed hollow round table 11 of extension bar 1 lower surface inserts the protruding solid round platform 31 of weighted lever and becomes as a whole afterwards, and both connect with screw thread in joint coupling 21, and screw thread can be avoided during construction to produce stress concentration phenomenon.
Perching knife 4 is cylindrical shape, and perching knife 4 is made up of perching knife top cover 41, perching knife top cap central bore 42, spring 43, shock plate 44, impact cylinder 45, impact cylinder step 46, perching knife shear blade 47, soil sample barrel 48.Perching knife top cover 41 makes of steel plate, soil sample barrel 48, impact cylinder 45 roll with steel plate, perching knife top cap central bore 42 is had in the middle of perching knife top cover 41, weighted lever 3 shaft welds together through perching knife top cap central bore 42 and shock plate 44, perching knife top cover 41 and shock plate 44 4 springs 43 are connected, impact cylinder 45 diameter is greater than soil sample barrel 48 diameter, and impact cylinder 45 and soil sample barrel 48 junction form impact cylinder step 46, and the diameter of shock plate 44 is greater than soil sample barrel 48 diameter and is less than impact cylinder 45 diameter.
According to the degree of depth on exploration and design stratum, several extension bar 1 is connected by joint coupling 2 and weighted lever 3 and perching knife 4, insert to exploration soil layer is vertically lower, perching knife shear blade 47 is at extension bar 1, joint coupling 2, the Action of Gravity Field incision underground layer of weighted lever 3 and perching knife 4, weighted lever 3 impacts impact cylinder step 46 by shock plate 44 simultaneously, perching knife 4 is strengthened in the downward impact force action incision underground layer degree of depth, now, the spring 43 playing connection function between shock plate 44 and perching knife top cover 41 is elongated, play energy storage effect, perching knife 4 stops the moment spring of incision 43 to shrink, produce power of backwashing upwards, automatically lift on perching knife, perching knife is made to be easy to extract.For loose crushing soil layer, because perching knife 4 is columnar structured, soil layer not easily produces after entering perching knife 4 cylindrical shell and escapes native phenomenon, and soil sample is more complete, sampling quality is high.Can sample in the method for the very useful hammer of extension bar 1 for hardpan, under hammer action, extension bar 1 and the stressed of weighted lever 3 are all born by the solid round platform of projection and recessed hollow round table and are delivered to perching knife 4, screw thread only connects effect, stress can not be produced concentrate, extend the application life of luoyang spade.Upwards extract luoyang spade, soil sample is taken out.Repeat above process, until exploration is to design hole depth.
In a word, stressedly between extension bar of the present invention and weighted lever to be born by the solid round platform of projection and recessed hollow round table, stress will be caused to concentrate to screw thread and destroy, extend luoyang spade application life.Labor intensity of operating staff is little, production efficiency is high, little to the disturbance of soil sample, soil sample taking rate is high, easy to process, sturdy and durable, is applicable to engineer geological prospecting worker and uses, be worthy of popularization.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of technical solution of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a luoyang spade, comprises perching knife, weighted lever, it is characterized in that: described perching knife is for cylindric, and its underpart is soil sample barrel, and top is impact cylinder, and impact cylinder diameter is greater than soil sample barrel diameter, and impact cylinder and soil sample barrel junction form impact cylinder step; The top of impact cylinder is fixed with perching knife top cover, perching knife top cover is provided with perching knife top cap central bore; In impact cylinder, be furnished with shock plate, be provided with spring between shock plate and perching knife top cover, the diameter of shock plate is greater than soil sample barrel diameter and is less than impact cylinder diameter; Weighted lever is fixed together through perching knife top cap central bore and shock plate; The bottom of soil sample barrel is provided with perching knife shear blade.
2. a kind of luoyang spade according to claim 1, is characterized in that: be connected with extension bar in the upper end of weighted lever by joint coupling, the pit end face that weighted lever contacts with extension bar being provided with boss and coordinating with boss.
3. a kind of luoyang spade according to claim 2, is characterized in that: be connected with some extension bars in the upper end of extension bar again by joint coupling, the pit end face that extension bar contacts with extension bar being provided with boss and coordinating with boss.
4. a kind of luoyang spade according to Claims 2 or 3, is characterized in that: described boss and the pit coordinated with boss are round table-like coniform or hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438831.1A CN104988958B (en) | 2015-07-23 | 2015-07-23 | A kind of Luoyang Spade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438831.1A CN104988958B (en) | 2015-07-23 | 2015-07-23 | A kind of Luoyang Spade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104988958A true CN104988958A (en) | 2015-10-21 |
| CN104988958B CN104988958B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510438831.1A Active CN104988958B (en) | 2015-07-23 | 2015-07-23 | A kind of Luoyang Spade |
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| CN (1) | CN104988958B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469971A (en) * | 2017-09-13 | 2017-12-15 | 格薪源生物质燃料有限公司 | Axial-flow type cutter claw combines biomass fuel comprehensive breaker |
| CN112761130A (en) * | 2019-10-21 | 2021-05-07 | 山东科技大学 | Drilling equipment is used in geotechnical engineering reconnaissance |
| CN112798329A (en) * | 2021-02-11 | 2021-05-14 | 徐祯 | Geotechnical engineering detects sampling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201373812Y (en) * | 2009-04-01 | 2009-12-30 | 长安大学 | Portable deep soil sampler |
| CN202073084U (en) * | 2011-03-25 | 2011-12-14 | 牛志祥 | Novel luoyang shovel |
| KR20120054334A (en) * | 2010-11-19 | 2012-05-30 | 이상도 | Shovel |
| CN203200800U (en) * | 2013-03-13 | 2013-09-18 | 浙江工商职业技术学院 | Multifunctional shovel |
| CN204849861U (en) * | 2015-07-23 | 2015-12-09 | 江西理工大学 | Luoyang shovel |
-
2015
- 2015-07-23 CN CN201510438831.1A patent/CN104988958B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201373812Y (en) * | 2009-04-01 | 2009-12-30 | 长安大学 | Portable deep soil sampler |
| KR20120054334A (en) * | 2010-11-19 | 2012-05-30 | 이상도 | Shovel |
| CN202073084U (en) * | 2011-03-25 | 2011-12-14 | 牛志祥 | Novel luoyang shovel |
| CN203200800U (en) * | 2013-03-13 | 2013-09-18 | 浙江工商职业技术学院 | Multifunctional shovel |
| CN204849861U (en) * | 2015-07-23 | 2015-12-09 | 江西理工大学 | Luoyang shovel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469971A (en) * | 2017-09-13 | 2017-12-15 | 格薪源生物质燃料有限公司 | Axial-flow type cutter claw combines biomass fuel comprehensive breaker |
| CN107469971B (en) * | 2017-09-13 | 2023-04-07 | 格薪源生物质燃料有限公司 | Axial-flow type knife claw combined biomass fuel comprehensive crusher |
| CN112761130A (en) * | 2019-10-21 | 2021-05-07 | 山东科技大学 | Drilling equipment is used in geotechnical engineering reconnaissance |
| CN112798329A (en) * | 2021-02-11 | 2021-05-14 | 徐祯 | Geotechnical engineering detects sampling device |
| CN112798329B (en) * | 2021-02-11 | 2022-09-06 | 广信检测认证集团有限公司 | Geotechnical engineering detects sampling device |
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| Publication number | Publication date |
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| CN104988958B (en) | 2017-03-15 |
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