CN203008775U - Power head of rotary drilling rig - Google Patents
Power head of rotary drilling rig Download PDFInfo
- Publication number
- CN203008775U CN203008775U CN 201220617671 CN201220617671U CN203008775U CN 203008775 U CN203008775 U CN 203008775U CN 201220617671 CN201220617671 CN 201220617671 CN 201220617671 U CN201220617671 U CN 201220617671U CN 203008775 U CN203008775 U CN 203008775U
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- mandrel
- power head
- drive sleeve
- driven gear
- rotary digging
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Abstract
The utility model provides a power head of a rotary drilling rig. A plurality of uniformly-distributed elastic devices are arranged between a driven gear and a transmission sleeve; each elastic device comprises a connecting sleeve and an elastic element; the elastic element comprises a mandrel and a rubber part sheathed on the mandrel; two ends of the mandrel are fixedly connected with the transmission sleeve through the connecting sleeve; one end of the mandrel is connected with a slewing bearing; and the periphery of the rubber part is fixedly connected with the driven gear. According to the power head of the rotary drilling rig, the uniformly distributed elastic devices are arranged between the driven gear and the transmission sleeve, and when an external rill rod drives the transmission sleeve to vibrate, the influence of the external vibration on the power head and even the whole rig is reduced through buffering, isolating and damping the vibration by the elastic devices is reduced, so that the power head use reliability is improved, and the occurrence of power head invalidation due to the external vibration is reduced greatly.
Description
Technical field
The utility model belongs to engineering machinery field, is specifically related to a kind of rotary digging drill power head.
Background technology
When rotary drilling rig enters rock, unit head applies high pulling torque work and constantly impacts operation drilling rod, add that drill bit causes speed to change along with the drill bit change in resistance to the shearing of rock, bring high-amplitude, high-frequency vibration to drilling rod, and vibration is delivered to unit head by drilling rod.This vibration meeting brings following problem to unit head: (1) various bolts burst apart, shear; (2) damage of bearings; (3) oil sealing damages; (4) gear tooth breakage, premature wear; (5) expansion of welding box body defective; (6) other uncertain factor etc., above problem all can cause the inefficacy of unit head.
And the research of rig factory when rotary drilling rig complex working condition and the work of broken rock both at home and abroad at present, all concentrate on drilling method, drilling tool material, pick layout, pressuring method, hydraulic system and various correlation intensities etc. are studied, but how to solve rotary drilling rig under complex geological condition or the vibration that brings to unit head during the work of broken rock never has good way.Each unit head manufacturer mainly concentrates on and strengthens on power head structure solving the unit head vibration, can't fundamentally solve like this unit head vibration and cause a poor reliability difficult problem.
The utility model content
The utility model has solved rotary drilling rig in the prior art under complex geological condition or the drilling rod that exists during the work of broken rock passes to vibration the technical problem that unit head causes unit head to lose efficacy, and proposes a kind of rotary digging drill power head of new structure.
The utility model provides a kind of rotary digging drill power head, comprises travelling carriage, two planetary reducers, two hydraulic motors that connect respectively two planetary reducers and speed reducing transmission case, described liquid motor; Be provided with two power shafts in described speed reducing transmission case, the output shaft of two planetary reducers is connected with two power shafts of speed reducing transmission case by spline; Power shaft in described speed reducing transmission case cogs and the driven gear engagement by it, is connected with drive sleeve on driven gear, and drive sleeve is provided with the key bar for the assembling drilling rod;
Connect as one by several equally distributed elastic devices between described driven gear and drive sleeve; Described elastic device comprises adapter sleeve and flexible member, and described flexible member comprises mandrel and be sheathed on rubber parts on mandrel, the two ends of described mandrel by adapter sleeve and drive sleeve be fixedly connected with, and an end of mandrel is connected with pivoting support; The periphery of described rubber parts is fixedly connected with driven gear.
As further improvement of the utility model, the upper end of described drive sleeve is connected with buffer, and the lower end of drive sleeve is connected with the platen device.
As further improvement of the utility model, described speed reducing transmission case is fixed between two junction plates by bolt group I, and two junction plates are fastened on travelling carriage by bearing pin respectively.
As further improvement of the utility model, be fixedly connected with by bolt group II between described drive sleeve and adapter sleeve, bolt group II is provided with matching used pin.
As further improvement of the utility model, be bolted to connection between the two ends of described mandrel and adapter sleeve.
As further improvement of the utility model, also be provided with spacer II between described mandrel and rubber parts, the rubber parts periphery also is arranged with spacer I.
As further improvement of the utility model, the number of described elastic device is 12.
The rotary digging drill power head that the utility model provides, by be provided with several equally distributed elastic devices between driven gear and drive sleeve, when outer drill rod drives the drive sleeve vibration, by elastic device, vibration is cushioned, isolates, decays, reduce external vibration to the impact of unit head and even complete machine, thereby improve the unit head dependability, greatly reduce the generation that causes the unit head failure phenomenon because of external vibration, make the rotary digging drill power head that the utility model provides have the following advantages: (1) reasonable integral structure, easily make; (2) the vibrated inefficacy of unit head greatly reduces, and the operating efficiency of unit head improves greatly; (3) external vibration reduces the heavy shock loads of unit head, and the internal part of unit head is played effective protective effect, has also extended the application life of the critical components such as bolt, bearing, oil sealing, pinion; (4) improve reliability, shock resistance, the maintainability of unit head, also promoted the resistance to overturning of unit head self; (5) reduce unnecessary energy consumption, energy-conserving and environment-protective.
Description of drawings
The structural representation of the rotary digging drill power head that Fig. 1 provides for the utility model.
Fig. 2 is the left view of Fig. 1.
The sectional view of speed reducing transmission case in the rotary digging drill power head that Fig. 3 provides for the utility model.
The structural representation of driven gear, elastic device and drive sleeve in speed reducing transmission case in the rotary digging drill power head that Fig. 4 provides for the utility model.
The structural representation of the rotary digging drill power head Elastic element that Fig. 5 provides for the utility model.
Wherein, 1---travelling carriage, 2---planetary reducer, 3---hydraulic motor, 4---junction plate, 5---buffer, 6---speed reducing transmission case, 7---the platen device, 8---bolt group I, 9---bearing pin, 10---power shaft, 11---driven gear, 12---drive sleeve, 13---adapter sleeve, 14---pivoting support, 15---flexible member, 16---the key bar, 17---bolt group II, 18---pin, 19---spacer I, 20---mandrel, 21---spacer II, 22---rubber parts.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of rotary digging drill power head, comprises travelling carriage 1, two planetary reducers 2, two liquid motors 3 and speed reducing transmission case 6.Two hydraulic motors 3 connect respectively two planetary reducers 2.The sectional structure of speed reducing transmission case 6 as shown in Figure 3, particularly, the output shaft that is provided with 10, two planetary reducers 2 of two power shafts in speed reducing transmission case 6 is connected with two power shafts 10 of speed reducing transmission case 6 by spline.Power shaft 10 in speed reducing transmission case 6 cogs and driven gear 11 engagements by it, is connected with drive sleeve 12 on driven gear 11, and drive sleeve 12 is provided with the key bar 16 for the assembling drilling rod.By the groove part on drilling rod is coordinated with key bar 16, can drive the drilling rod rotation and carry out bore operation.The upper end of drive sleeve 12 is connected with buffer 5, and the lower end of drive sleeve 12 is connected with platen device 7.
In the utility model, speed reducing transmission case 6 is fixed between two junction plates 4 by bolt group I8, and two junction plates 4 are fastened on travelling carriage 1, as shown in Figure 1 by bearing pin 9 respectively.
As Fig. 3 or shown in Figure 4, connect as one by several equally distributed elastic devices between driven gear 11 and drive sleeve 12, for example the number of described elastic device can be 12, but is not limited to this.Particularly, elastic device comprises adapter sleeve 13 and flexible member 15, and wherein the structure of flexible member 15 as shown in Figure 5, comprises mandrel 20 and the rubber parts 22 that is sheathed on mandrel 20.The two ends of mandrel 20 by adapter sleeve 13 and drive sleeve 12 be fixedly connected with, and an end of mandrel 20 is connected with pivoting support 14.The periphery of rubber parts 22 is fixedly connected with driven gear 11.
Particularly, in the utility model, be fixedly connected with by bolt group II17 between drive sleeve 12 and adapter sleeve 13, bolt group II17 is provided with matching used pin 18.In addition, also can be bolted to connection between the two ends of mandrel 20 and adapter sleeve 13, but be not limited to this.
As a kind of preferred embodiment of the present utility model, also be provided with spacer II21 between mandrel 20 and rubber parts 22, rubber parts 22 peripheries also are arranged with spacer I19.Flexible member 15 with this preferred structure can sulfide rubber parts 22, metal sleeve (being spacer I19 and spacer II21), mandrel 20 to make by die pressing.
When the rotary digging drill power head drive drilling rod that employing the utility model provides begins to work into rock, this moment, drilling rod rotated also slower, vibration is delivered to drive sleeve 12 by drilling rod, distortion by the interior rubber parts 22 of elastic device (adapter sleeve 13 and flexible member 15), cushioning effect is played in vibration, form the effect of a time-delay energy storage; After the drill bit cutting rock, drilling rod rotates very fast, and energy is discharged, and this prominent fast prominent slow speed difference can make drill bit carry out effectively impacting cutting to rock, thereby reaches the effect into rock.
To sum up, the rotary digging drill power head that the utility model provides, by be provided with several equally distributed elastic devices between driven gear 11 and drive sleeve 12, when outer drill rod drives drive sleeve 12 vibration, by elastic device, vibration is cushioned, isolates, decays, reduce external vibration to the impact of unit head and even complete machine, thereby improve the unit head dependability, greatly reduce the generation that causes the unit head failure phenomenon because of external vibration, make the rotary digging drill power head that the utility model provides have the following advantages: (1) reasonable integral structure, easily make; (2) the vibrated inefficacy of unit head greatly reduces, and the operating efficiency of unit head improves greatly; (3) external vibration reduces the heavy shock loads of unit head, and the internal part of unit head is played effective protective effect, has also extended the application life of the critical components such as bolt, bearing, oil sealing, pinion; (4) improve reliability, shock resistance, the maintainability of unit head, also promoted the resistance to overturning of unit head self; (5) reduce unnecessary energy consumption, energy-conserving and environment-protective.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a rotary digging drill power head, comprise travelling carriage (1), two planetary reducers (2), two hydraulic motors (3) that connect respectively two planetary reducers (2) and speed reducing transmission case (6), described liquid motor (3); Be provided with two power shafts (10) in described speed reducing transmission case (6), the output shaft of two planetary reducers (2) is connected with two power shafts (10) of speed reducing transmission case (6) by spline; Power shaft (10) in described speed reducing transmission case (6) cogs and driven gear (11) engagement by it, is connected with drive sleeve (12) on driven gear (11), and drive sleeve (12) is provided with the key bar (16) for the assembling drilling rod;
It is characterized in that, connect as one by several equally distributed elastic devices between described driven gear (11) and drive sleeve (12); Described elastic device comprises adapter sleeve (13) and flexible member (15), described flexible member (15) comprises mandrel (20) and is sheathed on rubber parts (22) on mandrel (20), the two ends of described mandrel (20) by adapter sleeve (13) and drive sleeve (12) be fixedly connected with, and an end of mandrel (20) is connected with pivoting support (14); The periphery of described rubber parts (22) is fixedly connected with driven gear (11).
2. rotary digging drill power head according to claim 1, is characterized in that, the upper end of described drive sleeve (12) is connected with buffer (5), and the lower end of drive sleeve (12) is connected with platen device (7).
3. rotary digging drill power head according to claim 1, it is characterized in that, described speed reducing transmission case (6) is by bolt group I(8) be fixed between two junction plates (4), two junction plates (4) are fastened on travelling carriage (1) by bearing pin (9) respectively.
4. according to claim 1-3 described rotary digging drill power heads of any one, is characterized in that, between described drive sleeve (12) and adapter sleeve (13) by bolt group II(17) be fixedly connected with bolt group II(17) be provided with matching used pin (18).
5. rotary digging drill power head according to claim 1, is characterized in that, is bolted to connection between the two ends of described mandrel (20) and adapter sleeve (13).
6. rotary digging drill power head according to claim 1, is characterized in that, also is provided with spacer II(21 between described mandrel (20) and rubber parts (22)), rubber parts (22) periphery also is arranged with spacer I(19).
7. rotary digging drill power head according to claim 1, is characterized in that, the number of described elastic device is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617671 CN203008775U (en) | 2012-11-21 | 2012-11-21 | Power head of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617671 CN203008775U (en) | 2012-11-21 | 2012-11-21 | Power head of rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203008775U true CN203008775U (en) | 2013-06-19 |
Family
ID=48600382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617671 Expired - Fee Related CN203008775U (en) | 2012-11-21 | 2012-11-21 | Power head of rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203008775U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790871A (en) * | 2015-05-11 | 2015-07-22 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig power head and rotary drilling rig |
| CN106402352A (en) * | 2016-11-30 | 2017-02-15 | 恒天九五重工有限公司 | Sealing structure of loading slewing device of rotary drilling rig |
| CN106869778A (en) * | 2017-04-06 | 2017-06-20 | 张家港保税区永大机械有限公司 | A kind of hydraulic rotating unit head for rock coring |
| CN109458126A (en) * | 2018-10-15 | 2019-03-12 | 高邮市恒辉机械有限公司 | A kind of rotary digging drill power head torsion increasing device |
| CN110761704A (en) * | 2019-11-12 | 2020-02-07 | 徐州健川机械制造有限公司 | Power head of rotary drilling rig |
-
2012
- 2012-11-21 CN CN 201220617671 patent/CN203008775U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790871A (en) * | 2015-05-11 | 2015-07-22 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig power head and rotary drilling rig |
| CN104790871B (en) * | 2015-05-11 | 2017-01-25 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig power head and rotary drilling rig |
| CN106402352A (en) * | 2016-11-30 | 2017-02-15 | 恒天九五重工有限公司 | Sealing structure of loading slewing device of rotary drilling rig |
| CN106869778A (en) * | 2017-04-06 | 2017-06-20 | 张家港保税区永大机械有限公司 | A kind of hydraulic rotating unit head for rock coring |
| CN106869778B (en) * | 2017-04-06 | 2020-06-23 | 张家港保税区永大机械有限公司 | Hydraulic rotary power head for rock coring |
| CN109458126A (en) * | 2018-10-15 | 2019-03-12 | 高邮市恒辉机械有限公司 | A kind of rotary digging drill power head torsion increasing device |
| CN110761704A (en) * | 2019-11-12 | 2020-02-07 | 徐州健川机械制造有限公司 | Power head of rotary drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20191121 |