阅读说明：本技术 水平定向钻机动力头自拆卸装置 (Self-dismounting device for power head of horizontal directional drilling machine ) 是由 豆林瑞 吕伟祥 李明 杨明 李根营 曹枫 于 2019-09-28 设计创作，主要内容包括：本发明公开了一种水平定向钻机动力头自拆卸装置,属于水平定向钻机动力头的拆装技术领域。本发明包括台架、伸缩臂、滑架和底座,所述伸缩臂包括垂直套装在一起的外臂和内臂,外臂与内臂内部之间装有控制所述外臂和内臂产生相对运动的举升装置,所述伸缩臂的上端铰接在所述台架的下部,所述伸缩臂的下端可转动的安装在所述滑架上,所述滑架滑动安装在所述底座上；所述伸缩臂的侧部与所述台架之间安装有调姿机构。本发明能够实现了多个自由度的控制调节,保证了台架与钻架之间的准确对接,简化动力头与钻架的拆装过程。(The invention discloses a self-disassembling device for a power head of a horizontal directional drilling machine, and belongs to the technical field of disassembling and assembling of the power head of the horizontal directional drilling machine. The telescopic arm comprises an outer arm and an inner arm which are vertically sleeved together, a lifting device for controlling the outer arm and the inner arm to generate relative motion is arranged between the outer arm and the inner arm, the upper end of the telescopic arm is hinged to the lower part of the rack, the lower end of the telescopic arm is rotatably arranged on the sliding frame, and the sliding frame is slidably arranged on the base; and a posture adjusting mechanism is arranged between the side part of the telescopic arm and the rack. The invention can realize the control and adjustment of a plurality of degrees of freedom, ensure the accurate butt joint between the rack and the drill frame and simplify the disassembly and assembly process of the power head and the drill frame.)

1. The utility model provides a directional rig unit head of level is from dismounting device which characterized in that: the telescopic arm mechanism comprises a rack (1), a telescopic arm (3), a sliding frame (7) and a base (9), wherein the telescopic arm (3) comprises an outer arm (3-1) and an inner arm (3-2) which are vertically sleeved together, a lifting device for controlling the outer arm (3-1) and the inner arm (3-2) to generate relative motion is arranged between the inner part of the outer arm (3-1) and the inner arm (3-2), the upper end of the telescopic arm (3) is hinged to the lower part of the rack (1), the lower end of the telescopic arm (3) is rotatably arranged on the sliding frame (7), and the sliding frame (7) is slidably arranged on the base (9); a posture adjusting mechanism is arranged between the side part of the telescopic arm (3) and the rack (1).

2. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1, characterized in that:

The posture adjusting mechanism comprises two pitching angle oil cylinders (2) which are arranged along the front and back directions of the rack (1) and are symmetrical along the axis of the telescopic arm (3).

3. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1 or 2, characterized in that: the posture adjusting mechanism comprises two side-turning oil cylinders (4) which are arranged along the left and right directions of the rack (1) and are symmetrical along the axis of the telescopic arm (3).

4. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 2, characterized in that: one end of the pitching angle oil cylinder (2) is connected to the lower portion of the rack (1) through a universal joint, and the other end of the pitching angle oil cylinder (2) is connected to the side wall of the telescopic arm (3) through a universal joint.

5. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 3, characterized in that: one end of the side-turning oil cylinder (4) is connected with the lower part of the rack (1) through a universal joint, and the other end of the side-turning oil cylinder (4) is connected with the side wall of the telescopic arm (3) through the universal joint.

6. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1, characterized in that: the lifting device is a lifting oil cylinder (5).

7. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1, characterized in that: the upper end of the telescopic arm (3) is connected to the lower part of the rack (1) through a ball joint connecting seat (3-3), and the ball joint connecting seat (3-3) is located at the gravity center position of the rack (1).

8. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1, characterized in that: the lower end of the telescopic arm (3) is connected with the sliding frame (7) through a thrust bearing (3-4).

9. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1, characterized in that: the front end or the rear end of the sliding frame (7) is provided with a longitudinal oil cylinder (8) which is vertical to the side end face of the sliding frame (7), one end of the longitudinal oil cylinder (8) is connected to the sliding frame (7), and the other end of the longitudinal oil cylinder (8) is connected to the base (9) through a support.

10. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1 or 9, characterized in that: and a transverse oil cylinder (6) vertical to the side end face of the sliding frame (7) is arranged at the left end or the right end of the sliding frame (7), one end of the transverse oil cylinder (6) is connected to the sliding frame (7), and the other end of the transverse oil cylinder (6) is connected to the base (9) through a support.

11. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 1, characterized in that: the rack (1-1) matched with the power head of the horizontal directional drilling machine is arranged at the upper part of the rack (1), and the sliding rails (1-2) matched with the power head are arranged on the surfaces of the racks (1) on the two sides of the rack (1-1).

12. The self-disassembling device of the power head of the horizontal directional drilling machine according to claim 11, characterized in that: the number of the racks (1-1) is two, and the tooth tops of the racks (1-1) face outwards.

13. the self-disassembling device of the power head of the horizontal directional drilling machine according to claim 11, characterized in that: the rack (1-1) and the rack (1) are welded into a whole.

Technical Field

The invention relates to a self-disassembling device for a power head of a horizontal directional drilling machine, and belongs to the technical field of disassembling and assembling of the power head of the horizontal directional drilling machine.

Background

The horizontal directional drilling machine combines the directional drilling technology in petroleum industry with traditional pipeline construction method, has the advantages of fast construction speed, high construction precision, low cost, etc. and is widely used in pipeline laying construction engineering of water supply, gas, power, telecommunication, natural gas, petroleum, etc.

The large-tonnage drilling machine is large in size and weight, belongs to large-scale equipment, is limited by transportation safety standards during transportation and transition, and all parts need to be disassembled for transportation. In particular, the weight of the power head is relatively high and, when the power head is transported with the drill rig, the weight and size of the power head generally exceed those specified by transportation code standards. The power head of the existing horizontal directional drilling machine is high in installation and disassembly difficulty, needs to be matched with hoisting equipment, and is assembled with a drill frame according to opposite actions after transition, so that the disassembly and assembly process is complicated, and the working efficiency is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the self-disassembling device for the power head of the horizontal directional drilling machine, which can realize the control and adjustment of multiple degrees of freedom, ensure the accurate butt joint between a rack and a drill frame and simplify the disassembling and assembling process of the power head and the drill frame.

The invention is realized by the following technical scheme: a power head self-dismounting device of a horizontal directional drilling machine comprises a rack, a telescopic arm, a sliding frame and a base, wherein the telescopic arm comprises an outer arm and an inner arm which are vertically sleeved together; and a posture adjusting mechanism is arranged between the side part of the telescopic arm and the rack.

The posture adjusting mechanism comprises two pitching angle oil cylinders which are arranged along the front and back directions of the rack and are symmetrical along the axis of the telescopic arm.

The posture adjusting mechanism comprises two side-turning oil cylinders which are arranged along the left and right directions of the rack and are symmetrical along the axis of the telescopic arm.

One end of the pitching angle oil cylinder is connected to the lower portion of the rack through a universal joint, and the other end of the pitching angle oil cylinder is connected to the side wall of the telescopic arm through the universal joint.

One end of the side-turning oil cylinder is connected to the lower portion of the rack through a universal joint, and the other end of the side-turning oil cylinder is connected to the side wall of the telescopic arm through the universal joint.

The lifting device is a lifting oil cylinder.

The upper end of the telescopic arm is connected to the lower part of the rack through a ball joint connecting seat, and the ball joint connecting seat is located at the gravity center position of the rack.

The lower end of the telescopic arm is connected with the sliding frame through a thrust bearing.

And a longitudinal oil cylinder which is vertical to the side end face of the sliding frame is arranged at the front end or the rear end of the sliding frame, one end of the longitudinal oil cylinder is connected to the sliding frame, and the other end of the longitudinal oil cylinder is connected to the base through a support.

And a transverse oil cylinder vertical to the side end face of the sliding frame is arranged at the left end or the right end of the sliding frame, one end of the transverse oil cylinder is connected to the sliding frame, and the other end of the transverse oil cylinder is connected to the base through a support.

The rack matched with the power head of the horizontal directional drilling machine is arranged on the upper portion of the rack, and sliding rails matched with the power head are arranged on the surfaces of the racks on the two sides of the rack.

The number of the racks is two, and tooth tops of the racks face to the outside.

The rack is welded with the rack into a whole.

The invention has the beneficial effects that: the invention solves the problem of adjusting the posture and hanging the power head of the large-tonnage horizontal directional drilling machine, can realize the control and adjustment of a plurality of degrees of freedom, can realize the control and adjustment of six degrees of freedom when the whole power head dismounting device is used at most, ensures the accurate butt joint between the rack and the drill frame, and simplifies the dismounting and mounting process of the power head and the drill frame.

The device can be transported by the power head together without exceeding the weight and size specified by the transportation standard. After the transition is finished, the power head and the drill frame are assembled according to the process opposite to the disassembling process, and the work efficiency of disassembling and assembling the power head is greatly improved.

Drawings

The invention is further illustrated below with reference to the figures and examples.

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of FIG. 1;

Fig. 3 is a use state reference diagram of the present invention.

In the figure, the device comprises a rack 1, a rack 1-2, a sliding rail 2, a pitch angle oil cylinder 3, a telescopic arm 3-1, an outer arm 3-2, an inner arm 3-3, a ball pair connecting seat 3-4, a thrust bearing 4, a side-turning oil cylinder 5, a lifting oil cylinder 6, a transverse oil cylinder 7, a sliding frame 8, a longitudinal oil cylinder 9, a base 10, a speed reducer 20, a box body 30, a hook plate 40, a drill frame 50 and a power head self-dismounting device.

Detailed Description

the present invention will be further described with reference to the following examples.

The self-dismounting device for the power head of the horizontal directional drilling machine shown in the figures 1-3 comprises a rack 1, a telescopic arm 3, a sliding frame 7 and a base 9, wherein the rack 1 is a platform device which is used for being butted with the rack and bearing and supporting the power head of the horizontal directional drilling machine. The telescopic arm 3 is used for weight support and comprises an outer arm 3-1 and an inner arm 3-2 which are vertically sleeved together, and a lifting device for controlling the outer arm 3-1 and the inner arm 3-2 to move relatively is arranged between the outer arm 3-1 and the inner arm 3-2, so that one degree of freedom control of lifting is realized. The outer arm 3-1 and the inner arm 3-2 can be arranged one above the other and one below the other, the outer arm 3-1 is sleeved on the lower inner arm 3-2 at the upper part as shown in figure 1, or conversely, the posture adjusting mechanism is connected on the outer arm 3-1, the upper end of the outer arm 3-1 is connected with the rack 1 through a ball pair and the like, and the lower end of the inner arm 3-2 is rotatably connected on the sliding frame 7 through a thrust bearing and the like.

The upper end of the telescopic arm 3 is hinged on the lower part of the stand 1. The lower end of the telescopic arm 3 is rotatably arranged on the sliding frame 7, so that the control of the rotary degree of freedom of the rack is realized. The sliding frame 7 is slidably mounted on the base 9; a posture adjusting mechanism is arranged between the side part of the telescopic arm 3 and the rack 1.

The posture adjusting mechanism comprises two pitching angle oil cylinders 2 which are arranged along the front and back directions of the rack 1 and are symmetrical along the axis of the telescopic arm 3, and the pitching freedom degree is controlled.

The posture adjusting mechanism comprises two side-turning oil cylinders 4 which are arranged along the left and right directions of the rack 1 and are symmetrical along the axis of the telescopic arm 3, and the control of the side-turning freedom degree is realized.

One end of the pitching angle oil cylinder 2 is connected to the lower part of the rack 1 through a universal joint, and the other end of the pitching angle oil cylinder 2 is connected to the side wall of the telescopic arm 3 through a universal joint.

One end of the side-turning oil cylinder 4 is connected to the lower part of the rack 1 through a universal joint, and the other end of the side-turning oil cylinder 4 is connected to the side wall of the telescopic arm 3 through a universal joint.

The lifting device is a lifting oil cylinder 5.

The upper end of the telescopic arm 3 is connected to the lower part of the rack 1 through a ball joint connecting seat 3-3, and the ball joint connecting seat 3-3 is positioned at the gravity center position of the rack 1.

The lower end of the telescopic arm 3 is connected with the sliding frame 7 through a thrust bearing 3-4.

The front end or the rear end of the sliding frame 7 is provided with a longitudinal oil cylinder 8 which is vertical to the side end face of the sliding frame 7, one end of the longitudinal oil cylinder 8 is connected to the sliding frame 7, and the other end of the longitudinal oil cylinder 8 is connected to the base 9 through a support. The carriage is connected with the base through a longitudinal oil cylinder 8 to realize the control of the degree of freedom of longitudinal movement.

And a transverse oil cylinder 6 vertical to the side end face of the sliding frame 7 is arranged at the left end or the right end of the sliding frame 7, one end of the transverse oil cylinder 6 is connected to the sliding frame 7, and the other end of the transverse oil cylinder 6 is connected to the base 9 through a support. The sliding frame is connected with the base through a transverse oil cylinder 6, and the control of the degree of freedom of the transverse movement is realized.

The whole power head dismounting device can realize control and adjustment of six degrees of freedom at most, and accurate butt joint between the rack and the drill frame is guaranteed.

The upper part of the rack 1 is provided with a rack 1-1 matched with the power head of the horizontal directional drilling machine, and the surfaces of the racks 1 on the two sides of the rack 1-1 are provided with slide rails 1-2 matched with the power head. The rack 1-1 and the rack 1 are welded into a whole. The rack 1 is used for butt joint with a drill stand, the rack is an acting piece of a power head gear, and the slide rail 1-2 is a supporting piece of the self weight of the power head. The number of the racks 1-1 is two, and the tooth tops of the racks 1-1 face outwards.

The traditional dismounting method of the power head of the horizontal directional drilling machine comprises the steps of firstly dismounting a plurality of groups of speed reducers 10 on the power head of the horizontal directional drilling machine, then dismounting the hook plate 30 to separate the power head from the drill frame 40, and then using hoisting equipment to hoist the box body 20 of the power head to dismount the power head. The assembly of the power head and the drill rig is realized according to the opposite action after the transition, and the whole process is complicated.

Compared with the prior art, the self-disassembling device of the power head of the horizontal directional drilling machine has the following disassembling process of the power head: after the attitude of the drilling machine equipment is adjusted to be disassembled, the power head self-disassembling device 50 is conveyed to the approximate position of the rear end of the drill frame 40, the accurate butt joint between the power head self-disassembling device 50 and the drill frame 40 is realized by the attitude adjusting function of the power head self-disassembling device 50, the power head runs onto the device along the rack of the device, the separation of the power head and the drill frame is realized, and the device is transported together with the power head in a field. After the transition is finished, the power head and the drill frame are assembled according to the opposite process, and the work efficiency of disassembling and assembling the power head is greatly improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.