CN202467695U - Floating device and vehicle-mounted CBM (Coal Bed Methane) drilling machine using floating device - Google Patents
Floating device and vehicle-mounted CBM (Coal Bed Methane) drilling machine using floating device Download PDFInfo
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- CN202467695U CN202467695U CN2012200255740U CN201220025574U CN202467695U CN 202467695 U CN202467695 U CN 202467695U CN 2012200255740 U CN2012200255740 U CN 2012200255740U CN 201220025574 U CN201220025574 U CN 201220025574U CN 202467695 U CN202467695 U CN 202467695U
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Abstract
The utility model relates to a floating device and a vehicle-mounted CBM (Coal Bed Methane) drilling machine using the floating device. The vehicle-mounted CBM drilling machine comprises a power head, the floating device which is arranged on the power head and a reducer which is in transmission connection with a power source, wherein the floating device comprises a floating connector which is provided with a power input end, a floating shaft sleeve which is fixedly connected at the lower end of the floating connector and a floating shaft structure which is in spline fit with a floating shaft sleeve, the power input end of the floating connector is in transmission connection with the reducer, the upper end of the floating shaft sleeve is detachably and fixedly connected with the lower end of the floating connector through a bolt connecting structure, and an end surface tooth structures which is relatively complemented and in rotation-stopping inserting match is arranged between connecting end surfaces of the floating shaft sleeve and the floating connector. According to the floating device and the vehicle-mounted CBM drilling machine, disclosed by the utility model, by arranging the floating connector and the floating shaft sleeve in a split way, the floating connector and the floating shaft sleeve are connected together through the end surface tooth structure and the bolt connecting structure, the processing difficulty of a spline in the shaft sleeve is reduced, the processing accuracy of the spline in the shaft sleeve is increased, and the need of torque transmission is ensured.
Description
Technical field
The utility model relates to resources exploration equipment such as coal, coal bed gas, natural gas, relates in particular to a kind of floating installation and uses the vehicle-mounted coal bed gas rig of this floating installation.
Background technology
Existing vehicle-mounted coal bed gas rig comprises vehicle frame and is installed on the mast on the vehicle frame, is equipped with unit head on the mast, and unit head is provided with the reducer that input and corresponding power source are in transmission connection, and the power delivery end of reducer is connected with drilling rod.For fear of the impact of drilling rod in drilling process; Existing drilling rod all is that the output through floating installation and reducer is in transmission connection; Floating installation comprises and the fixing coaxial floating buss that is connected of unsteady connector and unsteady connector lower end that assembles of the output of reducer; Offer in the unsteady connector and connect its axial endoporus, the inner hole wall of floating buss is provided with the axle sleeve internal spline.Described floating installation also comprises through the said axle sleeve internal spline spacing floating axle structure in said unsteady connector and the floating buss that is assemblied in of floating; The lower end of floating axle structure is provided with the drilling rod link that is used for the fixing assembling of drilling rod, offers in the floating axle structure to connect its axial through hole.During work; Reducer drives float connector and floating buss rotation; Floating buss drives the floating axle structure through the axle sleeve internal spline and drilling rod rotates; The vibration force of drilling rod passes to the floating axle structure, in floating buss, moves axially the impact to reducer that cushions drilling rod with this in the floating axle structure.
But the problem of existing floating installation is: in order to guarantee the moment of torsion transmission of unsteady connector and floating buss, float connector and floating buss are wholely set, and this has just increased the difficulty of processing and the processing cost of axle sleeve internal spline greatly.
Summary of the invention
The purpose of the utility model is to provide the floating installation that a kind of difficulty of processing is little, cost of manufacture is low, and the purpose of the utility model also is to provide a kind of vehicle-mounted coal bed gas rig that uses this floating installation.
In order to address the above problem, the technical scheme of floating installation is in the utility model:
Floating installation; Comprise unsteady connector and be fixed on the floating buss of said unsteady connector lower end with power intake; Described floating installation also comprises the floating axle structure with said floating buss spline fitted; The upper end of described floating buss is connected through the lower end of bolt fastening structure and described unsteady connector is removable, said floating buss be provided with the complementary end face toothing of inserting that only revolves being connected of unsteady connector between end face.
The inner hole wall of said floating buss is provided with the axle sleeve internal spline; Described floating axle structure comprise coaxial pilot seal be plugged in movable axis and coaxial in the endoporus of said unsteady connector be fixed on the movable axis lower end and with the drilling rod connecting axle of said axle sleeve internal spline spline inserting; All offer axially extending bore in described movable axis and the drilling rod connecting axle; The lower end of said drilling rod connecting axle is provided with and is used for the drilling rod link that is connected with corresponding drilling rod; Be provided with between described unsteady connector or floating buss and the said floating axle structure and realize said floating axle structure, be provided with between described floating buss and the said floating axle structure and realize said floating axle structure unsteady spacing lower limit structure downwards to the spacing upper limit structure of float.
Be provided with the sealing ring of realizing said movable axis and unsteady connector sealing assembling between the inner hole wall of said movable axis and unsteady connector.
The upper surface of said drilling rod connecting axle is provided with the movable axis mounting groove; The lower end of said movable axis is installed in the described movable axis mounting groove; The matching relationship of said movable axis and said movable axis mounting groove is an interference fit; Go back one on the lower end outer peripheral face of said movable axis and be fixed with annular boss, the spacing between the lower surface of annular boss and the lower surface of movable axis is less than the groove depth of said movable axis mounting groove.
Described drilling rod connecting axle is the step axle construction that upper end diameter is big, lower end diameter is little; The lower surface of said unsteady connector is provided with the holding tank that groove depth is higher than said annular boss height; On the lower surface of said unsteady connector in the periphery of said holding tank constituted cooperate with the upper surface block of said drilling rod connecting axle so that said floating axle structure to the spacing upper limit structure of float; Described lower limit structure comprises the axle sleeve end cap that is fixed on said floating buss lower end, and sleeve end covers the pilot hole that offers the miner diameter end pilot seal slidable fit that is used for said drilling rod connecting axle.
The technical scheme of vehicle-mounted coal bed gas rig is in the utility model:
Vehicle-mounted coal bed gas rig; Comprise unit head and go up floating installation that is provided with and the reducer that is in transmission connection with power source; Described floating installation comprises the unsteady connector with power intake and is fixed on the floating buss of said unsteady connector lower end; The power intake of said unsteady connector and described reducer are in transmission connection; Described floating installation also comprises the floating axle structure with said floating buss spline fitted, and the upper end of described floating buss is connected through the lower end of bolt fastening structure and described unsteady connector is removable, said floating buss be provided with the complementary end face toothing of inserting that only revolves being connected of unsteady connector between end face.
The inner hole wall of said floating buss is provided with the axle sleeve internal spline; Described floating axle structure comprise coaxial pilot seal be plugged in movable axis and coaxial in the endoporus of said unsteady connector be fixed on the movable axis lower end and with the drilling rod connecting axle of said axle sleeve internal spline spline inserting; All offer axially extending bore in described movable axis and the drilling rod connecting axle; The lower end of said drilling rod connecting axle is provided with and is used for the drilling rod link that is connected with corresponding drilling rod; Be provided with between described unsteady connector or floating buss and the said floating axle structure and realize said floating axle structure, be provided with between described floating buss and the said floating axle structure and realize said floating axle structure unsteady spacing lower limit structure downwards to the spacing upper limit structure of float.
Be provided with the sealing ring of realizing said movable axis and unsteady connector sealing assembling between the inner hole wall of said movable axis and unsteady connector.
The upper surface of said drilling rod connecting axle is provided with the movable axis mounting groove; The lower end of said movable axis is installed in the described movable axis mounting groove; The matching relationship of said movable axis and said movable axis mounting groove is an interference fit; Go back one on the lower end outer peripheral face of said movable axis and be fixed with annular boss, the spacing between the lower surface of annular boss and the lower surface of movable axis is less than the groove depth of said movable axis mounting groove.
Described drilling rod connecting axle is the step axle construction that upper end diameter is big, lower end diameter is little; The lower surface of said unsteady connector is provided with the holding tank that groove depth is higher than said annular boss height; On the lower surface of said unsteady connector in the periphery of said holding tank constituted cooperate with the upper surface block of said drilling rod connecting axle so that said floating axle structure to the spacing upper limit structure of float; Described lower limit structure comprises the axle sleeve end cap that is fixed on said floating buss lower end, and sleeve end covers the pilot hole that offers the miner diameter end pilot seal slidable fit that is used for said drilling rod connecting axle.
The beneficial effect of the utility model is: the utility model is through connector and the floating buss split setting of will floating; Unsteady connector and floating buss link together through end face toothing and bolt arrangement; Reduced the axle sleeve internal spline difficulty of processing, increased the machining accuracy of axle sleeve internal spline, also guaranteed the needs of transfer torque.
Description of drawings
Fig. 1 is the structural representation of the utility model floating installation embodiment;
Fig. 2 is the structural representation of the vehicle-mounted coal bed gas rig of the utility model embodiment, also is the user mode figure of Fig. 1 simultaneously.
The specific embodiment
The embodiment of floating installation is as shown in Figure 1: comprise the unsteady connector that has endoporus 1-1 and be used for being in transmission connection 1 and through the floating buss 4 of first bolt fastening structure, 3 releasable connections in connector 1 lower end of floating with corresponding reducer, floating buss 4 be provided with complementation being connected of unsteady connector 1 between end face and only revolve the end face toothing 10 of inserting.The inner hole wall of floating buss 4 is provided with axle sleeve internal spline 4-1; Floating installation also comprises the unsteady spacing floating axle structure that is assemblied in float connector 1 and the floating buss 1 through axle sleeve internal spline 4-1; The floating axle structure comprise coaxial pilot seal be plugged among the endoporus 1-1 of the connector 1 that floats movable axis 5 with coaxial be fixed on movable axis 5 lower ends and with the drilling rod connecting axle 6 of axle sleeve internal spline 4-1 spline inserting; All offer axially extending bore 11 in movable axis 5 and the drilling rod connecting axle 6; Drilling rod connecting axle 6 is the multidiameter structure that upper end diameter is big, lower end diameter is little; The upper surface of drilling rod connecting axle 6 is provided with movable axis mounting groove 6-1, and the lower end of movable axis 5 is fixedly installed among the movable axis mounting groove 6-1 through interference fit, and also one is fixed with annular boss 5-1 on the outer peripheral face of the lower end of movable axis 5; Spacing between the lower surface of the lower surface of annular boss 5-1 and movable axis 5 is less than the groove depth of movable axis mounting groove 6-1, is assemblied among the movable axis mounting groove 6-1 with what guarantee that movable axis 5 can transition.Be provided with the sealing ring 2 of realizing that movable axis 5 and unsteady connector 1 sealing are assembled between the inner hole wall of movable axis 5 and unsteady connector 1.The lower end of drilling rod connecting axle 6 is provided with and is used for the drilling rod link 8 that is connected with corresponding drilling rod.Float to be provided with between connector 1 and the floating axle structure and realize that the floating axle structure is to the spacing upper limit structure of float; Be provided with between floating buss 4 and the floating axle structure and realize floating axle structure unsteady spacing lower limit structure downwards; The float lower surface of connector 1 is provided with the holding tank 1-2 that groove depth is higher than annular boss 5-1 height, on the lower surface of the connector 1 that floats in the periphery of holding tank 1-2 constituted cooperate with the upper surface block of drilling rod connecting axle 6 so that the floating axle structure to the spacing upper limit structure of float; The lower limit structure comprises the axle sleeve end cap 7 that is fixed on floating buss 4 lower ends through second bolt fastening structure 9, offers the pilot hole of the miner diameter end pilot seal slidable fit that is used for drilling rod connecting axle 6 on the axle sleeve end cap 7.In other embodiment of this floating installation: movable axis 5 can also one be connected with drilling rod connecting axle 6; The upper limit structure can also be arranged between floating buss 4 and the floating axle structure, for example, be fixed on the inner hole wall of floating buss 4 in the structure that turns edge.
The embodiment of vehicle-mounted coal bed gas rig is shown in Fig. 1 ~ 2: comprise vehicle frame 12 and be arranged at the mast 13 on the vehicle frame 12; Unit head 14 is installed on the mast; Unit head 14 is provided with the reducer (not shown) that input and power source are in transmission connection; The output of reducer is connected with drilling rod through floating installation, and the concrete structure of said floating installation such as above-mentioned floating installation embodiment are said, are not described in detail at this.
During use; Reducer drives the connector 1 that floats and rotates with floating buss 4; Floating buss 4 drives the floating axle structure through axle sleeve internal spline 4-1 and drilling rod rotates; The axial vibration impact force of drilling rod passes to drilling rod connecting axle 6 and movable axis 5, drilling rod connecting axle 6 through floating buss 4 in along the moving axially of axle sleeve internal spline 4-1, movable axis 5 through having slowed down the impact of drilling rod to reducer along the moving axially of endoporus 1-1 of the connector 1 that floats, thereby played the effect of protecting reducer.
Claims (10)
1. floating installation; Comprise unsteady connector and be fixed on the floating buss of said unsteady connector lower end with power intake; Described floating installation also comprises the floating axle structure with said floating buss spline fitted; It is characterized in that: the upper end of described floating buss is connected through the lower end of bolt fastening structure and described unsteady connector is removable, said floating buss be provided with the complementary end face toothing of inserting that only revolves being connected of unsteady connector between end face.
2. floating installation according to claim 1; It is characterized in that: the inner hole wall of said floating buss is provided with the axle sleeve internal spline; Described floating axle structure comprise coaxial pilot seal be plugged in movable axis and coaxial in the endoporus of said unsteady connector be fixed on the movable axis lower end and with the drilling rod connecting axle of said axle sleeve internal spline spline inserting; All offer axially extending bore in described movable axis and the drilling rod connecting axle; The lower end of said drilling rod connecting axle is provided with and is used for the drilling rod link that is connected with corresponding drilling rod; Be provided with between described unsteady connector or floating buss and the said floating axle structure and realize said floating axle structure, be provided with between described floating buss and the said floating axle structure and realize said floating axle structure unsteady spacing lower limit structure downwards to the spacing upper limit structure of float.
3. floating installation according to claim 2 is characterized in that: be provided with the sealing ring of realizing said movable axis and unsteady connector sealing assembling between the inner hole wall of said movable axis and unsteady connector.
4. floating installation according to claim 2; It is characterized in that: the upper surface of said drilling rod connecting axle is provided with the movable axis mounting groove; The lower end of said movable axis is installed in the described movable axis mounting groove; The matching relationship of said movable axis and said movable axis mounting groove is an interference fit, goes back one on the lower end outer peripheral face of said movable axis and is fixed with annular boss, and the spacing between the lower surface of annular boss and the lower surface of movable axis is less than the groove depth of said movable axis mounting groove.
5. floating installation according to claim 4; It is characterized in that: described drilling rod connecting axle is the step axle construction that upper end diameter is big, lower end diameter is little; The lower surface of said unsteady connector is provided with the holding tank that groove depth is higher than said annular boss height; On the lower surface of said unsteady connector in the periphery of said holding tank constituted cooperate with the upper surface block of said drilling rod connecting axle so that said floating axle structure to the spacing upper limit structure of float; Described lower limit structure comprises the axle sleeve end cap that is fixed on said floating buss lower end, and sleeve end covers the pilot hole that offers the miner diameter end pilot seal slidable fit that is used for said drilling rod connecting axle.
6. vehicle-mounted coal bed gas rig; Comprise unit head and go up floating installation that is provided with and the reducer that is in transmission connection with power source; Described floating installation comprises the unsteady connector with power intake and is fixed on the floating buss of said unsteady connector lower end; The power intake of said unsteady connector and described reducer are in transmission connection; Described floating installation also comprises the floating axle structure with said floating buss spline fitted; It is characterized in that: the upper end of described floating buss is connected through the lower end of bolt fastening structure and described unsteady connector is removable, said floating buss be provided with the complementary end face toothing of inserting that only revolves being connected of unsteady connector between end face.
7. vehicle-mounted coal bed gas rig according to claim 6; It is characterized in that: the inner hole wall of said floating buss is provided with the axle sleeve internal spline; Described floating axle structure comprise coaxial pilot seal be plugged in movable axis and coaxial in the endoporus of said unsteady connector be fixed on the movable axis lower end and with the drilling rod connecting axle of said axle sleeve internal spline spline inserting; All offer axially extending bore in described movable axis and the drilling rod connecting axle; The lower end of said drilling rod connecting axle is provided with and is used for the drilling rod link that is connected with corresponding drilling rod; Be provided with between described unsteady connector or floating buss and the said floating axle structure and realize said floating axle structure, be provided with between described floating buss and the said floating axle structure and realize said floating axle structure unsteady spacing lower limit structure downwards to the spacing upper limit structure of float.
8. vehicle-mounted coal bed gas rig according to claim 7 is characterized in that: be provided with the sealing ring of realizing said movable axis and unsteady connector sealing assembling between the inner hole wall of said movable axis and unsteady connector.
9. vehicle-mounted coal bed gas rig according to claim 7; It is characterized in that: the upper surface of said drilling rod connecting axle is provided with the movable axis mounting groove; The lower end of said movable axis is installed in the described movable axis mounting groove; The matching relationship of said movable axis and said movable axis mounting groove is an interference fit, goes back one on the lower end outer peripheral face of said movable axis and is fixed with annular boss, and the spacing between the lower surface of annular boss and the lower surface of movable axis is less than the groove depth of said movable axis mounting groove.
10. vehicle-mounted coal bed gas rig according to claim 9; It is characterized in that: described drilling rod connecting axle is the step axle construction that upper end diameter is big, lower end diameter is little; The lower surface of said unsteady connector is provided with the holding tank that groove depth is higher than said annular boss height; On the lower surface of said unsteady connector in the periphery of said holding tank constituted cooperate with the upper surface block of said drilling rod connecting axle so that said floating axle structure to the spacing upper limit structure of float; Described lower limit structure comprises the axle sleeve end cap that is fixed on said floating buss lower end, and sleeve end covers the pilot hole that offers the miner diameter end pilot seal slidable fit that is used for said drilling rod connecting axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200255740U CN202467695U (en) | 2012-01-19 | 2012-01-19 | Floating device and vehicle-mounted CBM (Coal Bed Methane) drilling machine using floating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200255740U CN202467695U (en) | 2012-01-19 | 2012-01-19 | Floating device and vehicle-mounted CBM (Coal Bed Methane) drilling machine using floating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467695U true CN202467695U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200255740U Expired - Fee Related CN202467695U (en) | 2012-01-19 | 2012-01-19 | Floating device and vehicle-mounted CBM (Coal Bed Methane) drilling machine using floating device |
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| CN (1) | CN202467695U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481418A (en) * | 2014-11-24 | 2015-04-01 | 连云港黄海机械股份有限公司 | Core drill output torque upper control limit drill rod |
| CN104499934A (en) * | 2014-12-01 | 2015-04-08 | 无锡市钻通工程机械有限公司 | Power head floating device for trenchless pipe laying drilling machine |
| CN105927672A (en) * | 2016-07-06 | 2016-09-07 | 浙江开山重工股份有限公司 | Floating joint |
| CN106089117A (en) * | 2016-07-25 | 2016-11-09 | 山河智能装备股份有限公司 | A kind of hidden hole drilling unit head buffer unit |
| CN112253017A (en) * | 2020-10-26 | 2021-01-22 | 中煤科工集团重庆研究院有限公司 | Floatable drill rod connecting device |
-
2012
- 2012-01-19 CN CN2012200255740U patent/CN202467695U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481418A (en) * | 2014-11-24 | 2015-04-01 | 连云港黄海机械股份有限公司 | Core drill output torque upper control limit drill rod |
| CN104481418B (en) * | 2014-11-24 | 2016-06-01 | 连云港黄海勘探技术有限公司 | Core drill output torque upper limit control drilling rod |
| CN104499934A (en) * | 2014-12-01 | 2015-04-08 | 无锡市钻通工程机械有限公司 | Power head floating device for trenchless pipe laying drilling machine |
| CN104499934B (en) * | 2014-12-01 | 2016-08-17 | 无锡市钻通工程机械有限公司 | Non-excavation pipe-laying drilling rig unit head floating installation |
| CN105927672A (en) * | 2016-07-06 | 2016-09-07 | 浙江开山重工股份有限公司 | Floating joint |
| CN106089117A (en) * | 2016-07-25 | 2016-11-09 | 山河智能装备股份有限公司 | A kind of hidden hole drilling unit head buffer unit |
| CN112253017A (en) * | 2020-10-26 | 2021-01-22 | 中煤科工集团重庆研究院有限公司 | Floatable drill rod connecting device |
| CN112253017B (en) * | 2020-10-26 | 2022-10-04 | 中煤科工集团重庆研究院有限公司 | Floatable drill rod connecting device |
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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 |
Granted publication date: 20121003 Termination date: 20150119 |
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| EXPY | Termination of patent right or utility model |