CN214944041U - Fixable support at front end of horizontal directional drilling machine - Google Patents
Fixable support at front end of horizontal directional drilling machine Download PDFInfo
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- CN214944041U CN214944041U CN202121399804.5U CN202121399804U CN214944041U CN 214944041 U CN214944041 U CN 214944041U CN 202121399804 U CN202121399804 U CN 202121399804U CN 214944041 U CN214944041 U CN 214944041U
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- sliding sleeve
- horizontal directional
- drilling machine
- base
- directional drilling
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Abstract
The utility model provides a support can be fixed to horizontal directional rig front end, the on-line screen storage device comprises a base, hydraulic cylinder, the sliding sleeve, the slip loop bar, the connecting piece, hydraulic motor and drilling rod, the side of connecting piece is passed through the reinforcing plate and is connected with the sliding sleeve, the inside of sliding sleeve is provided with the first trepanning with slip loop bar complex, the top of first trepanning is provided with the second trepanning, the top of slip loop bar is provided with the guide bar with second trepanning clearance fit, the outside cover of guide bar is equipped with the buffer spring who is located first trepanning, be provided with on the base around the drilling rod, sliding sleeve and hydraulic cylinder's drain pan, the outside movable sleeve of drain pan is equipped with the epitheca, the top of drain pan and the top of sliding sleeve all are provided with the V-arrangement groove that is used for supporting horizontal directional rig drilling rod. The utility model relates to a rationally, simple structure, connection performance is better, job stabilization nature is higher, space utilization is higher and be favorable to increase of service life.
Description
Technical Field
The utility model belongs to the technical field of the drilling equipment, especially, relate to a horizontal directional drilling machine front end fixable support.
Background
The horizontal directional drilling machine is originally developed in the 70 s, is a novel underground pipeline construction engineering machine designed and developed based on an advanced 'trenchless technology' concept, and is a combination of the traditional highway drilling and oil field directional drilling technologies. The horizontal directional drilling machine adopts full hydraulic and power driving technology, has the functions of propelling, rotating, back expanding, back supporting, driving a walking device and the like of a drilling tool, becomes a popular construction method in the future, and can be used for the construction of various pipelines for conveying substances such as petroleum, natural gas, petrochemical products, water, sewage and the like, electric power and optical cables. Because the front end of the horizontal directional drilling machine is warped due to excessive resistance in the drilling and digging process, so that the propelling force cannot be increased or insufficient, or the drilling machine deviates to influence the drilling and digging quality, the working stability of the drilling machine can be effectively improved by adding the fixed support at the front end of the horizontal directional drilling machine.
The prior patent technology CN201210506197.7 discloses a fixable support at the front end of a horizontal directional drilling machine, which comprises a base, a sliding sleeve rod, a hydraulic oil cylinder, a sliding sleeve, a hydraulic motor, a drill rod and a reversing valve; the base is fixed at the front end of the horizontal directional drilling machine through a clamping frame; the sliding sleeve rod and the hydraulic oil cylinder are fixedly arranged on the base and are connected with the sliding sleeve; the hydraulic motor is respectively connected with the drill rod and the sliding sleeve; the reversing valve is connected with the hydraulic motor through a hydraulic oil pipe. When the front end of the drilling machine is fixed, the hydraulic motor rotates forwards to drive the drill rod to rotate, meanwhile, the hydraulic oil cylinder retracts, the sliding sleeve drives the hydraulic motor to move towards the base through the connecting piece, and further, the drill rod gradually rotates to drill into soil, so that the front end of the drilling machine is fixed; otherwise, the hydraulic motor rotates reversely, the hydraulic oil cylinder does extending action, and the drill rod gradually withdraws from the soil. The device prevents the phenomenon that the front end of the drilling machine tilts during working and the drilling machine deviates during drilling, and ensures the drilling precision and the drilling efficiency. However, the device has the problems that firstly, the connecting strength of the connecting piece and the sliding sleeve is low, the connecting piece is easy to deform in the drilling process, and the working performance of the hydraulic oil cylinder is influenced; secondly, due to the fact that the drilling environment is severe, the device is lack of protection, and therefore the working life of the whole device is greatly influenced; thirdly, the space utilization rate of the device is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that foretell fixing support exists, but propose a reasonable in design, simple structure, connection performance are better, job stabilization nature is higher, space utilization is higher and be favorable to increase of service life's directional rig front end fixing support of level.
In order to achieve the above purpose, the technical solution adopted by the present invention is that, the fixable support at the front end of the horizontal directional drilling machine comprises a base, a hydraulic cylinder is arranged on the base, a sliding sleeve and a sliding sleeve rod which are movably matched are arranged on one side of the hydraulic cylinder, one side of the sliding sleeve is fixedly connected with the hydraulic cylinder, the other side of the sliding sleeve is provided with a connecting piece, a hydraulic motor is arranged on the connecting piece, the output end of the hydraulic motor faces downwards and is provided with a drill rod, the base is provided with a through hole matched with the drill rod, the side surface of the connecting piece is connected with the sliding sleeve through a reinforcing plate, a first sleeve hole matched with the sliding sleeve rod is arranged inside the sliding sleeve, the top of the first sleeve hole is provided with a second sleeve hole, the top of the sliding sleeve rod is provided with a guide rod which is movably matched with the second sleeve hole, the outer portion of the guide rod is sleeved with a buffer spring located in the first sleeve hole, a bottom shell surrounding the drill rod, the sliding sleeve and the hydraulic oil cylinder is arranged on the base, an ejector shell is movably sleeved on the outer portion of the bottom shell, the inner top of the ejector shell is fixedly connected with the top of the sliding sleeve, and V-shaped grooves used for supporting the drill rod of the horizontal directional drilling machine are formed in the top of the ejector shell, the top of the bottom shell and the top of the sliding sleeve.
Preferably, the depth of the V-shaped groove gradually increases in a direction from the hydraulic cylinder to the hydraulic motor.
Preferably, the sliding sleeve is movably matched with two sliding sleeve rods, and the two sliding sleeve rods are symmetrically distributed around the V-shaped groove.
Preferably, the base is provided with a conical sinking groove at the bottom thereof corresponding to the through hole.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the utility model provides a front end fixable support of a horizontal directional drilling machine, which utilizes a reinforcing plate to improve the connection strength of a connecting piece on a sliding sleeve, and has better bending resistance and longer service life; the guide rod and the spring are used for improving the movable matching performance of the sliding sleeve and the sliding sleeve rod and ensuring the working stability of the hydraulic oil cylinder; utilize drain pan and topshell to constitute the protection of this device, be favorable to protecting structures such as hydraulic motor, sliding sleeve, slip loop bar and hydraulic cylinder, still come the cooperation with the directional rig drilling rod of level in service by the V-arrangement groove simultaneously, and then improve the holistic space utilization ratio of this device and be relatively. The device has reasonable design and simple structure, and is suitable for large-scale popularization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic diagram of an internal structure of a fixable support at a front end of a horizontal directional drilling machine provided by an embodiment;
FIG. 2 is a side view of an exemplary embodiment of a fixable support at a front end of a horizontal directional drilling rig;
in the above figures, 1, a base; 1a, through holes; 1b, a conical sink; 2. a hydraulic cylinder; 3. a sliding sleeve; 31. a first trepan boring; 32. a second trepan boring; 4. sliding the loop bar; 5. a connecting member; 6. a hydraulic motor; 7. a drill stem; 8. a buffer spring; 9. a bottom case; 10. a top shell; 11. a V-shaped groove; 12. a reinforcing plate; 13. a guide rod.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Embodiment, as shown in fig. 1 and 2, the utility model provides a horizontal directional drilling machine front end fixable support, including base 1, be provided with hydraulic cylinder 2 on the base 1, one side of hydraulic cylinder 2 is provided with clearance fit's sliding sleeve 3 and sliding sleeve pole 4, one side and the hydraulic cylinder 2 fixed connection of sliding sleeve 3, the opposite side of sliding sleeve 3 is provided with connecting piece 5, is provided with hydraulic motor 6 on the connecting piece 5, and hydraulic motor 6's output just is provided with drilling rod 7 down, be provided with on the base 1 with drilling rod complex clearing hole 1 a. Wherein, base 1, pneumatic cylinder hydro-cylinder 2, sliding sleeve 3, sliding sleeve pole 4, hydraulic motor 6 and drilling rod 7 are prior art, and this embodiment is no longer repeated herein. On this basis, the utility model discloses well connecting piece 5's side is passed through reinforcing plate 12 and is connected with sliding sleeve 3, sliding sleeve 3's inside be provided with the first trepanning 31 of sliding sleeve 4 complex, the top of first trepanning 31 is provided with second trepanning 32, sliding sleeve 4's top is provided with the guide bar 13 with second trepanning movable fit, the outside cover of guide bar 13 is equipped with the buffer spring 8 that is arranged in first trepanning 31, be provided with on the base 1 around the drilling rod, sliding sleeve and hydraulic cylinder's drain pan 9, the outside movable sleeve of drain pan 9 is equipped with top shell 10, the interior top of top shell 10 and the top fixed connection of sliding sleeve 3, the top of top shell 10, the top of drain pan 9 and the top of sliding sleeve 3 all are provided with the V-arrangement groove 11 that is used for supporting horizontal directional rig drilling rod. The utility model discloses utilize reinforcing plate 12 can improve the joint strength of connecting piece 5 on sliding sleeve 3, the bending resistance is higher, and life is longer. Further, the sliding sleeve rod 4 and the guide rod 13 in the device are in sliding fit with the first sleeve hole 31 and the second sleeve hole 32 respectively, and particularly, the buffer spring 8 sleeved on the guide rod 13 is used for providing elastic buffer for the sliding sleeve, so that the sliding sleeve 3 obtains dynamic elastic support after the drill rod 7 is drilled into the ground, the stability of the sliding sleeve 3 is improved, the working stability of the hydraulic oil cylinder 2 is ensured, and the actual service lives of the hydraulic oil cylinder 2, the connecting piece 5, the hydraulic motor 6 and the drill rod 7 are prolonged to a certain extent. Furthermore, the bottom shell 9 and the top shell 10 are arranged outside the hydraulic oil cylinder 2, the connecting piece 5, the hydraulic motor 6 and the drill rod 7, so that internal components of the hydraulic oil cylinder 2 and the connecting piece 5 are protected, and the top shell can lift along with the lifting of the sliding sleeve 3, so that a reasonable protection space is always kept between the top shell and the bottom shell 9, and the actual service lives of the hydraulic motor 6, the sliding sleeve 3, the sliding sleeve rod 4, the hydraulic oil cylinder 2 and other structures are prolonged; on the other hand, the lifted V-shaped groove 11 is matched with a drill rod of a horizontal directional drilling machine in work, and the drill rod of the horizontal directional drilling machine moves under the support of the V-shaped groove 11 to drill a tunnel, so that the occupied space of the device and the horizontal directional drilling machine is effectively reduced, and the space utilization rate of the device is improved.
Consider the work characteristics that the tunnel was beaten to horizontal directional drilling machine drilling rod, in order to improve the cooperation performance of V-arrangement groove 11 and horizontal directional drilling machine drilling rod, the utility model discloses well V-arrangement groove 11's the degree of depth is according to the direction from hydraulic cylinder 2 to hydraulic motor 6 deepening gradually. On one hand, the top shell 10 can be driven by the hydraulic oil cylinder 2 to lift, and on the other hand, the V-shaped groove 11 can always give up enough working space for the drill rod of the horizontal directional drilling machine, so that the device and the drill rod of the horizontal directional drilling machine can obtain higher space matching performance.
In order to improve the stability of sliding sleeve 3, the utility model discloses well sliding sleeve 3 and two 4 clearance fits of slip loop pole, two slip loop poles 4 are about 11 symmetric distributions of V-arrangement groove.
In order to improve the brill that reduces drilling rod 7 to base 1 bottom and decrease, the utility model provides a base 1 is provided with toper heavy groove 1b in its bottom and the position that the clearing hole corresponds, and toper heavy groove 1b lets out certain space for base and ground, reduces drilling rod 7 and to the loss of pressure of base 1 in the process of falling to bore, has prolonged the actual life of this device to a certain extent.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. A front-end fixable support of a horizontal directional drilling machine comprises a base, wherein a hydraulic oil cylinder is arranged on the base, a sliding sleeve and a sliding sleeve rod which are in movable fit are arranged on one side of the hydraulic oil cylinder, one side of the sliding sleeve is fixedly connected with the hydraulic oil cylinder, a connecting piece is arranged on the other side of the sliding sleeve, a hydraulic motor is arranged on the connecting piece, the output end of the hydraulic motor faces downwards and is provided with a drill rod, and a through hole matched with the drill rod is formed in the base. The drill rod positioning device is characterized in that a bottom shell surrounding the drill rod, the sliding sleeve and the hydraulic oil cylinder is arranged on the base, a top shell is movably sleeved outside the bottom shell, the inner top of the top shell is fixedly connected with the top of the sliding sleeve, and V-shaped grooves used for supporting the drill rod of the horizontal directional drilling machine are formed in the top of the top shell, the top of the bottom shell and the top of the sliding sleeve.
2. The fixable support of the front end of a horizontal directional drilling machine according to claim 1, wherein the depth of said V-shaped groove is gradually deepened in a direction from the hydraulic cylinder to the hydraulic motor.
3. The fixable support at the front end of a horizontal directional drilling machine according to claim 2, characterized in that the sliding sleeve is in movable fit with two sliding sleeve rods which are symmetrically distributed about the V-shaped groove.
4. The fixable support for the front end of a horizontal directional drilling machine according to claim 3, wherein the base is provided with a tapered sinking groove at a position corresponding to the through hole at the bottom thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121399804.5U CN214944041U (en) | 2021-06-23 | 2021-06-23 | Fixable support at front end of horizontal directional drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121399804.5U CN214944041U (en) | 2021-06-23 | 2021-06-23 | Fixable support at front end of horizontal directional drilling machine |
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| Publication Number | Publication Date |
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| CN214944041U true CN214944041U (en) | 2021-11-30 |
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| CN202121399804.5U Active CN214944041U (en) | 2021-06-23 | 2021-06-23 | Fixable support at front end of horizontal directional drilling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023141239A1 (en) * | 2022-01-19 | 2023-07-27 | Havailon Group | Grade guided trackless horizontal boring rig |
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2021
- 2021-06-23 CN CN202121399804.5U patent/CN214944041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023141239A1 (en) * | 2022-01-19 | 2023-07-27 | Havailon Group | Grade guided trackless horizontal boring rig |
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