CN202544740U - Power head for vehicle-mounted drilling machine and vehicle-mounted coalbed gas drilling machine using same - Google Patents
Power head for vehicle-mounted drilling machine and vehicle-mounted coalbed gas drilling machine using same Download PDFInfo
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- CN202544740U CN202544740U CN2012201371630U CN201220137163U CN202544740U CN 202544740 U CN202544740 U CN 202544740U CN 2012201371630 U CN2012201371630 U CN 2012201371630U CN 201220137163 U CN201220137163 U CN 201220137163U CN 202544740 U CN202544740 U CN 202544740U
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- spline
- output shaft
- drilling rod
- hollow output
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Abstract
The utility model relates to a vehicle-mounted coalbed gas drilling machine. The vehicle-mounted coalbed gas drilling machine comprises a vehicle frame, and a mast, a mud tube and a drilling rod which are arranged on the vehicle frame, wherein a power head is arranged on the mast and comprises a hydraulic drive mechanism which is used for outputting torque to the corresponding drilling rod and comprises a hydraulic motor; the hydraulic motor comprises a shell and a motor rotor which is assembled in the shell in a rotating mode; the motor rotor consists of a hollow output shaft which passes through the upper end surface and the lower end surface of the shell; an upper joint and a lower joint are respectively arranged at the upper end and the lower end of the hollow output shaft; the lower end of the upper joint is connected with the upper end of the hollow output shaft in a rotation stopping mode; a mud shaft connection end which is connected with a mud shaft in a rotation stopping mode is arranged at the upper end of the upper joint; the upper end of the lower joint is connected with the lower end of the hollow output shaft in a rotation stopping mode; and a drilling rod connection end which is connected with the drilling rod in a rotation stopping mode is arranged at the lower end of the lower joint. According to the vehicle-mounted drilling machine, the drilling rod is driven by the hydraulic motor with the hollow output shaft, thereby solving the problem that the synchronism of the hydraulic drive mechanism in the prior art is difficult to control.
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 truck-mounted drilling rig with unit head and use the vehicle-mounted coal bed gas rig of this unit head.
Background technology
Vehicle-mounted coal bed gas rig is a kind of novel coal bed gas boring mechanic; Mainly comprise vehicle frame and be arranged at the mast on the vehicle frame; Be equipped with unit head on the mast, unit head comprises the drive link of hollow-core construction and drives the hydraulic drive mechanism that said drive link rotates, is fixed with the drive link external gear on the drive link; Hydraulic drive mechanism comprises four hydraulic motors that circumferentially are uniformly distributed with along drive link; Four hydraulic motor output shaft through corresponding hydraulic motor gear simultaneously with said drive link on drive link external gear engaged transmission, the upper end of drive link is connected with mud tube, the lower end of drive link is connected with drilling rod.The problem that existing unit head exists is: through four hydraulic motors jar rod is driven simultaneously, the synchronism of four hydraulic motors is wayward; Four hydraulic motors also make the weight of unit head increase greatly simultaneously, and for guaranteeing production safety, the supporting thereupon mast and the intensity of vehicle frame all need to increase, and the increase that this has just caused complete vehicle weight has increased cost of production.
Summary of the invention
The purpose of the utility model is to provide a kind of truck-mounted drilling rig to use unit head, to solve the uppity problem of synchronism of hydraulic drive mechanism in the prior art.The purpose of the utility model also is to provide a kind of vehicle-mounted coal bed gas rig that uses above-mentioned truck-mounted drilling rig with unit head.
In order to address the above problem, truck-mounted drilling rig uses the technical scheme of unit head to be in the utility model:
Truck-mounted drilling rig is used unit head; Be used for hydraulic drive mechanism to corresponding drilling rod output torque; Described hydraulic drive mechanism comprises hydraulic motor; Described hydraulic motor comprises the motor rotor that rotates assembling in housing and the housing, and described motor rotor is made up of the hollow output shaft that runs through said housing upper and lower end face, and the upper and lower end of said hollow output shaft is respectively equipped with upper and lower joint; The lower end of said top connection is connected with the upper end spline of said hollow output shaft, and the upper end of said top connection is provided with and is used for the mud axle link that is connected with corresponding mud axle spline; The upper end of said lower contact is connected with the lower end spline of said hollow output shaft, and the lower end of said lower contact is provided with and is used for the drilling rod link that is connected with corresponding drilling rod spline.
The lower end of said top connection cooperates with said hollow output shaft spline through spline fitted, and the mud axle link of said top connection is provided with and is used to realize the section of being threaded on it is connected with corresponding mud axle spline.
The upper end of described lower contact cooperates with said hollow output shaft spline through spline fitted, and the drilling rod link of said lower contact is provided with and is used to the following section of being threaded that realizes that it is connected with corresponding drilling rod spline.
The technical scheme of vehicle-mounted coal bed gas rig is in the utility model:
Vehicle-mounted coal bed gas rig; Comprise vehicle frame and be arranged at vehicle frame upper mast, mud tube and drilling rod; Be equipped with unit head on the described mast; Described unit head comprises the hydraulic drive mechanism that is used for to corresponding drilling rod output torque, and described hydraulic drive mechanism comprises hydraulic motor, and described hydraulic motor comprises the motor rotor that rotates assembling in housing and the housing; Described motor rotor is made up of the hollow output shaft that runs through said housing upper and lower end face; The upper and lower end of said hollow output shaft is respectively equipped with upper and lower joint, and the lower end of said top connection is connected with the upper end spline of said hollow output shaft, and the upper end of said top connection is provided with the mud axle link that is connected with said mud axle spline; The upper end of said lower contact is connected with the lower end spline of said hollow output shaft, and the lower end of said lower contact is provided with the drilling rod link that is connected with said drilling rod spline.
The lower end of said top connection cooperates with said hollow output shaft spline through spline fitted, and the mud axle link of said top connection is provided with and is used to realize the section of being threaded on it is connected with corresponding mud axle spline.
The upper end of described lower contact cooperates with said hollow output shaft spline through spline fitted, and the drilling rod link of said lower contact is provided with and is used to the following section of being threaded that realizes that it is connected with corresponding drilling rod spline.
The beneficial effect of the utility model is: the hollow output shaft through hydraulic motor respectively with mud axle and drilling rod transmission, hydraulic drive mechanism is made up of a hydraulic motor, does not have the uppity problem of synchronism.Owing to have only a hydraulic motor, also reduce the weight of unit head, and then also reduced the structural strength requirement of mast and vehicle frame simultaneously, reduced the weight of car load, alleviated cost of production.
Description of drawings
Fig. 1 is that the utility model truck-mounted drilling rig is with the be connected sketch map of unit head embodiment with mud tube and drilling rod;
Fig. 2 is the structural representation of vehicle-mounted coal bed gas rig embodiment in the utility model.
The specific embodiment
Truck-mounted drilling rig is as shown in Figure 1 with the embodiment of unit head: unit head 2 comprises the hydraulic drive mechanism that is used for to corresponding drilling rod 6 output torques; Hydraulic drive mechanism comprises hydraulic motor; Hydraulic motor comprises the motor rotor that rotates assembling in housing 3 and the housing 3, and motor rotor is made up of the hollow output shaft that runs through the housing upper and lower end face 4.The upper and lower end of hollow output shaft 4 is respectively equipped with upper and lower joint; The lower end of top connection 7 is connected with the upper end spline of hollow output shaft 4 through spline fitted; The upper end of top connection 7 is provided with and is used for the mud axle link that is connected with corresponding mud axle 1 lower end spline, mud axle link be provided with realize that top connection is connected with corresponding mud axle 1 spline on the section of being threaded; The upper end of lower contact 5 is connected with the lower end spline of hollow output shaft 4 through spline fitted; The lower end of lower contact 5 is provided with and is used for the drilling rod link that is connected with corresponding drilling rod 6 upper end splines, and the drilling rod link is provided with the following section of being threaded that realizes that lower contact 5 is connected with corresponding drilling rod 6 splines.In other embodiment of this unit head, the top connection lower end can also through be threaded, welding or flange type of attachment be connected with the hollow output shaft spline, the section of being threaded can also be connected by spline or flange and replaces on the mud axle link; Lower contact upper end can also through be threaded, welding or flange type of attachment be connected with the hollow output shaft spline, the following section of being threaded of drilling rod link can also be by spline or flange connection replacement.
Hydraulic drive mechanism is made up of a hydraulic motor, and there is not the problem of asynchronism control in hollow output shaft 4.
The embodiment of vehicle-mounted coal bed gas rig is shown in Fig. 1 ~ 2: comprise vehicle frame 15 and be arranged at mast 16, mud tube 1 and the drilling rod on the vehicle frame 15; Be equipped with unit head 2 on the mast 16; Wherein the concrete structure of unit head such as above-mentioned truck-mounted drilling rig are said with unit head embodiment, are not described in detail in this.
Have only the weight of unit head 2 of a hydraulic motor lighter, also just alleviated the structural strength requirement to corresponding mast 16 and vehicle frame 15, the weight of car load reduces, and then has reduced the manufacturing cost of car load.
Claims (6)
1. truck-mounted drilling rig is used unit head; Be used for hydraulic drive mechanism to corresponding drilling rod output torque; Described hydraulic drive mechanism comprises hydraulic motor; Described hydraulic motor comprises the motor rotor that rotates assembling in housing and the housing, and it is characterized in that: described motor rotor is made up of the hollow output shaft that runs through said housing upper and lower end face, and the upper and lower end of said hollow output shaft is respectively equipped with upper and lower joint; The lower end of said top connection is connected with the upper end spline of said hollow output shaft, and the upper end of said top connection is provided with and is used for the mud axle link that is connected with corresponding mud axle spline; The upper end of said lower contact is connected with the lower end spline of said hollow output shaft, and the lower end of said lower contact is provided with and is used for the drilling rod link that is connected with corresponding drilling rod spline.
2. truck-mounted drilling rig according to claim 1 is used unit head; It is characterized in that: the lower end of said top connection cooperates with said hollow output shaft spline through spline fitted, and the mud axle link of said top connection is provided with and is used to realize the section of being threaded on it is connected with corresponding mud axle spline.
3. truck-mounted drilling rig according to claim 1 and 2 is used unit head; It is characterized in that: the upper end of described lower contact cooperates with said hollow output shaft spline through spline fitted, and the drilling rod link of said lower contact is provided with and is used to the following section of being threaded that realizes that it is connected with corresponding drilling rod spline.
4. vehicle-mounted coal bed gas rig; Comprise vehicle frame and be arranged at vehicle frame upper mast, mud tube and drilling rod; Be equipped with unit head on the described mast; Described unit head comprises the hydraulic drive mechanism that is used for to corresponding drilling rod output torque, and described hydraulic drive mechanism comprises hydraulic motor, and described hydraulic motor comprises the motor rotor that rotates assembling in housing and the housing; It is characterized in that: described motor rotor is made up of the hollow output shaft that runs through said housing upper and lower end face; The upper and lower end of said hollow output shaft is respectively equipped with upper and lower joint, and the lower end of said top connection is connected with the upper end spline of said hollow output shaft, and the upper end of said top connection is provided with the mud axle link that is connected with said mud axle spline; The upper end of said lower contact is connected with the lower end spline of said hollow output shaft, and the lower end of said lower contact is provided with the drilling rod link that is connected with said drilling rod spline.
5. vehicle-mounted coal bed gas rig according to claim 4; It is characterized in that: the lower end of said top connection cooperates with said hollow output shaft spline through spline fitted, and the mud axle link of said top connection is provided with and is used to realize the section of being threaded on it is connected with corresponding mud axle spline.
6. according to claim 4 or 5 described vehicle-mounted coal bed gas rigs; It is characterized in that: the upper end of described lower contact cooperates with said hollow output shaft spline through spline fitted, and the drilling rod link of said lower contact is provided with and is used to the following section of being threaded that realizes that it is connected with corresponding drilling rod spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201371630U CN202544740U (en) | 2012-04-01 | 2012-04-01 | Power head for vehicle-mounted drilling machine and vehicle-mounted coalbed gas drilling machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201371630U CN202544740U (en) | 2012-04-01 | 2012-04-01 | Power head for vehicle-mounted drilling machine and vehicle-mounted coalbed gas drilling machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202544740U true CN202544740U (en) | 2012-11-21 |
Family
ID=47165392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201371630U Expired - Fee Related CN202544740U (en) | 2012-04-01 | 2012-04-01 | Power head for vehicle-mounted drilling machine and vehicle-mounted coalbed gas drilling machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202544740U (en) |
-
2012
- 2012-04-01 CN CN2012201371630U patent/CN202544740U/en not_active Expired - Fee Related
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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: 20121121 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |