CN220167894U - Directional drilling rod restraint device - Google Patents

Abstract

The utility model relates to an oriented drill rod restraint device, which relates to the technical field of pipeline laying and comprises a support plate, wherein a first clamping plate is arranged above the support plate, a second clamping plate corresponding to the first clamping plate is arranged below the first clamping plate, grooves for clamping a drill rod are formed in two sides, close to each other, of the first clamping plate, a plurality of limiting hydraulic cylinders for driving the second clamping plate to move towards the position, close to the first clamping plate, of the first clamping plate are arranged on the first clamping plate, and two ends of the first clamping plate are connected with adjusting assemblies for adjusting the vertical positions of the first clamping plate and the second clamping plate. The utility model has the effect of enabling the drill rod to maintain a stable position when entering below the ground.

Description

Directional drilling rod restraint device

Technical Field

The utility model relates to the technical field of pipeline laying, in particular to a directional drill rod restraining device.

Background

A horizontal directional drilling machine is a construction machine for laying various underground utilities without excavating the ground surface, such as: the pipeline, cable, etc. are widely used in flexible pipeline laying construction of water supply, electric power, telecommunication, natural gas, coal gas, petroleum, etc. it is suitable for the ground conditions of sandy soil, clay, etc. and is not suitable for the high ground water level and pebble stratum, and most of non-hard rock areas in China can be constructed.

In the construction process, the output end of the directional drilling machine is connected with the directional drilling rod, the end part of the directional drilling rod is connected with the drill bit, then the drill bit at the end part of the directional drilling rod is driven by the drilling machine to rotate and a hole is drilled into the soil, then the end part of the directional drilling rod is connected with the reamer, after the reamer is used for further reaming, the pipeline is inserted into the ground surface along the track of the hole, and therefore smooth laying of the pipeline can be achieved on the premise of protecting the ecology of the ground surface.

In view of the above-mentioned related art, the inventors believe that when the directional drill is drilled below the earth surface, since the directional drill has a certain inclination angle and the drill rod is long, the positional deviation is easily caused during drilling, resulting in the fact that the difference between the drilled hole and the predetermined hole is too large, and multiple drilling is required, thereby causing problems such as low drilling efficiency and waste of cost.

Disclosure of Invention

It is an object of the present utility model to provide an oriented drill rod restraint device that enables a drill rod to maintain a stable position when entering below the ground.

The utility model provides a directional drill rod restraining device which adopts the following technical scheme:

the utility model provides an directional drilling rod restraint device, includes the backup pad, the backup pad top is equipped with first splint, first splint below is equipped with the second splint corresponding with first splint, first splint with the both sides that the second splint is close to each other all are equipped with and are used for the centre gripping the recess of drilling rod, be equipped with a plurality of being used for driving on the first splint the second splint is close to limit hydraulic cylinder that the first splint removed, the both ends of first splint all are connected with and are used for adjusting first splint with the adjusting part of the vertical position of second splint.

Through adopting above-mentioned technical scheme, when needs are to be drilled to the subsurface, place the backup pad on suitable position earlier, afterwards place the drilling rod between first splint and second splint, afterwards start spacing pneumatic cylinder, spacing pneumatic cylinder drives the second splint and moves to the side that is close to first splint, it is inside the recess of first splint and second splint with the drilling rod, adjust first splint and second splint to suitable position through adjusting component, thereby realize the spacing to the drilling rod, afterwards start the rig, the rig drives drilling rod screw movement, it is spacing to the drilling rod through first splint and second splint, can reduce the emergence of the extravagant scheduling phenomenon of construction that leads to because the position deviation of drilling rod position is difficult to confirm to lead to.

Optionally, every the piston rod of spacing pneumatic cylinder all runs through the second splint and with second splint sliding connection, the piston rod of spacing pneumatic cylinder runs through the one end fixedly connected with stopper of second splint, the piston rod of spacing pneumatic cylinder is located the stopper with the lateral wall cover between the second splint is equipped with compression spring.

Through adopting above-mentioned technical scheme, when first splint and second splint carry out the centre gripping to the drilling rod, because pressure spring's existence for when wearing and tearing or protruding appear in the outside of drilling rod, the second splint can be for first splint motion, and because pressure spring's existence, make first splint and second splint can last carrying out the centre gripping to middle drilling rod, thereby reduce because the outside wearing and tearing of drilling rod or protruding lead to the drilling rod centre gripping unstable or be difficult to continue the emergence of removal phenomenon.

Optionally, a plurality of first rotating rollers are installed in the groove of the first clamping plate, and a plurality of second rotating rollers are installed in the groove of the second clamping plate.

Through adopting above-mentioned technical scheme, when first splint and second splint carry out the centre gripping to the drilling rod, because the drilling rod spiral moves forward for the drilling rod is in the in-process that removes and a plurality of first rotor roller and a plurality of second rotor roller butt, thereby realizes reducing the friction of drilling rod at the rotation in-process, thereby makes the drilling rod can be more stable at the rotation in-process.

Optionally, the adjusting part includes the locating plate with the both sides fixed connection of the upper surface of backup pad, every the equal butt in locating plate one side has the movable plate, still be equipped with on the locating plate and be used for fixing the locating plate with the locating bolt of movable plate position, set up a plurality of positioning holes that supply the locating bolt to peg graft on the movable plate, the both ends of first splint rotate with the movable plate of both sides respectively and are connected, one of them still be equipped with on the movable plate be used for fixing the movable plate with the retaining member of relative position between the locating plate.

Through adopting above-mentioned technical scheme, when the height of first splint and second splint is adjusted to needs, unscrew positioning bolt earlier, then adjust the relative position between movable plate and the positioning plate, later adjust the position between first splint and second splint and the backup pad through the movable plate, after adjusting to suitable position, screw up positioning bolt, the relative distance between fixed first splint and second splint and the backup pad for the device can adapt to different drilling demands and adjust.

Optionally, the both ends of first splint all fixedly connected with first pivot, every the one end of first pivot all run through the movable plate and with the movable plate rotates to be connected, one of them the first pivot runs through the one end fixedly connected with ratchet of movable plate, one side that the movable plate is close to the ratchet is equipped with and is used for restricting ratchet pivoted pawl.

Through adopting above-mentioned technical scheme, when the difference according to the drilling, when need carrying out the adjustment to the horizontal angle of first splint and second splint, rotate first splint, first pivot is driven to first splint, and the one end of first pivot drives ratchet rotation, because the existence of pawl for the ratchet is difficult to continue to rotate to the opposite direction after rotating certain angle, thereby realizes the fixed to first splint and second splint horizontal angle, and then makes the device can adapt to the demand of more kinds drilling.

Optionally, a fixing component for fixing the position of the supporting plate is further arranged on the lower surface of the supporting plate.

Through adopting above-mentioned technical scheme, when the position of fixed support board is needed, connect ground and backup pad through fixed subassembly for the backup pad can be more stable support the first splint and the second splint of top, thereby further reduce the construction waste that needs many times to punch that first splint and second splint lead to because support unstable and lead to drilling machine drilling deviation to lead to.

Optionally, the fixing component includes a plurality of fixing rods with one ends fixedly connected with the supporting plate.

Through adopting above-mentioned technical scheme, when needing the backup pad to fix, through striking the backup pad, imbed the dead lever under the earth's surface to realize the fixed to the backup pad.

Optionally, the loop bar has been cup jointed to the lateral wall of dead lever, fixedly connected with is used for reducing the spacing lantern ring that the loop bar drops on the dead lever, the dead lever is kept away from the one end fixedly connected with of backup pad consolidates the kicking block, the loop bar is kept away from the one end rotation of backup pad is connected with a plurality of reinforcing blocks.

Through adopting above-mentioned technical scheme, when needs carry out further fixation to the backup pad, earlier down bore a plurality of holes that are used for placing the loop bar at the earth's surface, later place the loop bar in the hole, evenly strike the upper surface of backup pad for the backup pad can drive the dead lever and move down, and the dead lever drives when moving down and consolidates the kicking block and move down, and it moves to one side of keeping away from the loop bar central line to drive a plurality of reinforcing blocks when consolidating the kicking block and move down, thereby in the lateral wall that makes the reinforcing block peg graft to the hole, thereby make fixed subassembly can carry out further fixation to the backup pad.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the drill rod is clamped through the first clamping plate and the second clamping plate, so that the drill rod can be relatively fixed, and the drill rod can be drilled in a relatively stable position during drilling, so that the trouble of multiple times of drilling is caused by the change of the position of the drill rod;

2. the device can adapt to more types of drilling requirements through the matching of the adjusting component and the first rotating shafts at the two ends of the first clamping plate with the locking pieces;

3. the device can be more stable in the drilling process through the fixing component, and then the occurrence of a drilling error phenomenon caused by instability of the device is reduced.

Drawings

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the structure of a highlighting adjustment member according to embodiment 1 of the present utility model;

FIG. 3 is a schematic structural diagram showing the connection relationship between the fixing assembly and the support plate according to embodiment 1 of the present utility model;

FIG. 4 is a schematic overall structure of embodiment 2 of the present utility model;

FIG. 5 is a schematic structural diagram showing the connection relationship between the fixing assembly and the support plate according to embodiment 2 of the present utility model;

in the figure, 1, a supporting plate; 2. a first clamping plate; 21. a limit hydraulic cylinder; 211. a limiting block; 212. a pressure spring; 22. a first rotating roller; 23. a first rotating shaft; 3. an adjustment assembly; 31. a positioning plate; 32. a moving plate; 321. a positioning hole; 322. a locking member; 3221. a pawl; 3222. a ratchet wheel; 33. positioning bolts; 4. a second clamping plate; 41. a second rotating roller; 5. a fixing assembly; 51. a fixed rod; 511. a limit collar; 512. reinforcing the top block; 52. a loop bar; 521. and (5) reinforcing the block.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 5.

Example 1: the utility model provides an directional drilling rod restraint device, refer to fig. 1 and 2, including being located subaerial backup pad 1, backup pad 1's upper surface both sides all are equipped with adjusting part 3, be equipped with first splint 2 between two adjusting part 3, first splint 2 level sets up, the both ends of first splint 2 all are connected rather than the adjusting part 3 that is close to, the recess that is used for the butt drilling rod is seted up to the intermediate position of first splint 2, the below of first splint 2 is close to backup pad 1 one side and is equipped with second splint 4, second splint 4 and the relative setting of first splint 2, the recess that is used for placing the drilling rod that is the same with first splint 2 recess is seted up to one side that second splint 4 is close to first splint 2 recess.

The first clamping plate 2 is far away from one side of the second clamping plate 4 and is located at two ends of the groove and fixedly connected with limiting hydraulic cylinders 21, the two limiting hydraulic cylinders 21 are vertically arranged, and piston rods of the two limiting hydraulic cylinders 21 penetrate through the first clamping plate 2 and are connected with the second clamping plate 4.

When needs carry out spacing to the drilling, place the drilling rod in the recess inside of first splint 2 and second splint 4, afterwards start two spacing pneumatic cylinders 21, pull second splint 4 through two spacing pneumatic cylinders 21 and remove to the one side that is close to first splint 2, thereby make first splint 2 press from both sides tightly the drilling rod with second splint 4 mutually supporting, afterwards start the rig, when the drill bit gets into ground, because first splint 2 and second splint 4 are spacing to the drilling rod, make the drill bit can be more stable according to predetermineeing the position and bore under the ground, thereby when drilling, reduced because there is not stop device to lead to drilling position and predetermine the construction waste that the position gap is too big and produce.

The piston rod of each limiting hydraulic cylinder 21 penetrates through one end of the second clamping plate 4 and is fixedly connected with a limiting block 211, a pressure spring 212 is sleeved at the position, between the limiting block 211 and the second clamping plate 4, far away from the first clamping plate 2, of the piston rod of each limiting hydraulic cylinder 21, and two ends of each pressure spring 212 are respectively abutted with two sides, close to each other, of the limiting block 211 and the second clamping plate 4.

When the first clamping plate 2 and the second clamping plate 4 clamp the drill rod, the drill rod is still in a spiral moving state, and because the drill rod needs to be used for a long time, the outer surface of the drill rod may have phenomena such as abrasion, when the abrasion position is located between the first clamping plate 2 and the second clamping plate 4, the pressure spring 212 can push the second clamping plate 4 to move towards one side close to the first clamping plate 2, so that continuous clamping of the drill rod between the first clamping plate 2 and the second clamping plate 4 is realized, and when protrusions exist outside the drill rod and the protruding parts are located between the first clamping plate 2 and the second clamping plate 4, the drill rod drives the second clamping plate 4 to move towards one side close to the limiting block 211, so that the phenomenon that the drill rod cannot move due to the fact that the protrusions outside the drill rod cause the clamping of the drill rod and the first clamping plate 2 or the second clamping plate 4 is reduced.

The groove that first splint 2 is close to second splint 4 installs a plurality of first rotating roller 22, first rotating roller 22 is located the inside evenly distributed of groove of first splint 2, set up first rotating roller 22 and the length direction of first splint 2 is perpendicular, and one side that first rotating roller 22 kept away from first splint 2 and drilling rod butt, the recess internal fixation who second splint 4 is close to first splint 2 one side has a plurality of second rotating rollers 41, a plurality of second rotating rollers 41 are located the inside evenly distributed of groove that second splint 4 is close to first splint 2, second rotating roller 41 and first rotating roller 22 parallel arrangement.

When the drill rod is located between the first clamping plate 2 and the second clamping plate 4 and moves, one side of the drill rod is abutted against the first rotating roller 22 in the first groove, the other side of the drill rod is abutted against the second rotating roller 41 in the groove on one side of the second clamping plate 4, and the drill rod can be more stable when moving between the first clamping plate 2 and the second clamping plate 4 under the action of the first rotating roller 22 and the second rotating roller 41.

The adjusting component 3 comprises a positioning plate 31, one end of the positioning plate 31 is fixedly connected with the upper surface of the supporting plate 1, one side, away from the supporting plate 1, of the positioning plate 31 is abutted with a moving plate 32, two positioning bolts 33 are arranged on the positioning plate 31, the two positioning bolts 33 penetrate through the moving plate 32 to be embedded into the positioning plate 31 and are in threaded connection with the positioning plate 31, a plurality of groups of positioning holes 321 for inserting the two positioning bolts 33 are formed in the moving plate 32, each group of positioning holes 321 is arranged to correspond to the two positioning bolts 33, and the plurality of groups of positioning holes 321 are formed in the vertical direction.

The first clamping plate 2 is close to the first pivot 23 of equal fixedly connected with in both sides of adjusting part 3, and two first pivots 23 all run through rather than the movable plate 32 that is close to one side and with movable plate 32 rotation connection, be equipped with the retaining member 322 that is used for fixed pivot position on one of them movable plate 32.

Because in actual construction process, can carry out the drilling of different degree of depth and unidimensional hole according to the difference of requirement, consequently the angle that the drill bit got into the earth also can change, when the angle that the drill bit got into underground changed, unscrewed positioning bolt 33, separation movable plate 32 and locating plate 31, adjust the relative position between two movable plates 32 and its corresponding locating plate 31, afterwards screw up positioning bolt 33, the relative position between fixed movable plate 32 and the locating plate 31, afterwards rotate first splint 2, first splint 2 drives second splint 4 rotation, after the rotation is accomplished, fix the angle of first splint 2 rotation through retaining member 322, thereby can realize adjusting the different angles when the drilling rod gets into underground.

The locking member 322 includes a pawl 3221 mounted on a side of the moving plate 32 away from the other moving plate 32, a ratchet 3222 is engaged on one side of the pawl 3221, and one side of the ratchet 3222 is fixedly connected with a first rotating shaft 23 having one end penetrating through the moving plate 32.

When the angle of the first clamping plate 2 in the horizontal plane needs to be adjusted, the first clamping plate 2 is rotated, the first rotating shafts 23 at the two ends are driven by the first clamping plate 2 to rotate, one of the first rotating shafts 23 drives the ratchet wheel 3222 to rotate, and due to the pawl 3221, when the ratchet wheel 3222 stops, the pawl 3221 drives the ratchet wheel 3222 to difficultly rotate in the opposite direction, so that the ratchet wheel 3222 and the first clamping plate 2 are fixed.

The lower surface of the support plate 1 is provided with a fixing component 5 for fixing the position of the support plate 1.

When the backup pad 1 is placed, through fixed subassembly 5, can make backup pad 1 can more stable support and spacing the drilling rod.

The fixed assembly 5 comprises four fixed rods 51, the four fixed rods 51 are uniformly distributed on the lower surface of the supporting plate 1, the four fixed rods 51 are vertically arranged, and one end of each fixed rod 51 is fixedly connected with the lower surface of the supporting plate 1.

When the support plate 1 is placed, the support plate 1 is placed at a proper position, and then the fixing rod 51 is struck into the ground by striking the support plate 1 from the outside, thereby achieving the fixation of the support plate 1.

The implementation principle of the embodiment of the utility model is as follows: the support plate 1 is placed at a designated position first, and the position of the support plate 1 is fixed by the fixing rod 51, then the positioning bolt 33 is unscrewed, the distance between the moving plate 32 and the positioning plate 31 is adjusted as needed, and then the positioning bolt 33 is screwed, and the position between the moving plate 32 and the positioning plate 31 is fixed.

And then the first clamping plate 2 is rotated, the first clamping plate 2 drives the second clamping plate 4 to rotate, so that the first clamping plate 2 and the second clamping plate 4 are positioned at proper angles, a drill rod is placed between the first clamping plate 2 and the second clamping plate 4, a limiting hydraulic cylinder 21 is started, and the limiting hydraulic cylinder 21 drives the second clamping plate 4 to move towards the side close to the first clamping plate 2, so that the drill rod is clamped in grooves of the first clamping plate 2 and the second clamping plate 4.

And then starting the drilling machine, and driving the drill rod to spirally move in the grooves of the first clamping plate 2 and the second clamping plate 4 by the drilling machine, so that the drilling is realized.

Example 2: referring to fig. 4 and 5, the difference between this embodiment and embodiment 1 is that the outer side of each fixing rod 51 is slidably sleeved with a sleeve rod 52, a certain interval exists between each sleeve rod 52 and the supporting plate 1, the outer side wall of each fixing rod 51 is fixedly sleeved with a limiting collar 511, the sleeve rod 52 is difficult to slide down the fixing rod 51 due to the limiting collar 511, and the outer side wall of each limiting collar 511 is slidably connected with the inner side wall of the sleeve rod 52.

The end that every dead lever 51 kept away from backup pad 1 all fixedly connected with consolidates kicking block 512, sets up to consolidate kicking block 512 and is conical, and the conical top of every consolidates kicking block 512 all is kept away from its dead lever 51 one end of fixedly connected with. Each sleeve rod 52 is rotatably connected with a plurality of reinforcing blocks 521 at one end far away from the supporting plate 1, each reinforcing block 521 is provided with a triangular prism, and two inclined planes of the triangular prism section triangle face one side of the central line of the sleeve rod 52. And the conical slope of each reinforcing block 521 abuts against one side of the reinforcing block 521 above it during the downward movement.

The implementation principle of the embodiment of the utility model is as follows: when the support plate 1 needs to be fixed, a plurality of prefabricated holes which are matched with the loop bars 52 at the bottom of the support plate 1 are formed in proper positions on the ground surface, the loop bars 52 and the fixing bars 51 are placed in the prefabricated holes, then the upper surfaces of the support plate 1 are uniformly knocked, the fixing bars 51 are driven to move downwards through the support plate 1, and the reinforcing top blocks 512 are driven to push the reinforcing blocks 521 in the process of moving downwards through the support plate 1, so that the reinforcing blocks 521 rotate to one side far away from the center line of the loop bars 52, and the reinforcing blocks 521 can be inserted into the side walls of the prefabricated holes, so that further limiting of the support plate 1 is realized.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides an directional drilling rod restraint device, its characterized in that, including backup pad (1), backup pad (1) top is equipped with first splint (2), first splint (2) below be equipped with first splint (2) corresponding second splint (4), first splint (2) with both sides that second splint (4) are close to each other all are equipped with and are used for the centre gripping the recess of drilling rod, be equipped with a plurality of being used for driving on first splint (2) second splint (4) are to being close to spacing pneumatic cylinder (21) that first splint (2) removed, the both ends of first splint (2) all are connected with and are used for adjusting first splint (2) with adjusting assembly (3) of second splint (4) vertical position.

2. The directional drill rod restraining device according to claim 1, wherein a piston rod of each limiting hydraulic cylinder (21) penetrates through the second clamping plate (4) and is in sliding connection with the second clamping plate (4), a limiting block (211) is fixedly connected with one end of the piston rod of each limiting hydraulic cylinder (21) penetrating through the second clamping plate (4), and a pressure spring (212) is arranged on an outer side wall sleeve, located between the limiting block (211) and the second clamping plate (4), of the piston rod of each limiting hydraulic cylinder (21).

3. An oriented drill rod restraint device according to claim 2, characterized in that a plurality of first rotating rollers (22) are mounted in the grooves of the first clamping plate (2), and a plurality of second rotating rollers (41) are mounted in the grooves of the second clamping plate (4).

4. A directional drill rod restraining device according to claim 3, characterized in that the adjusting assembly (3) comprises positioning plates (31) fixedly connected with two sides of the upper surface of the supporting plate (1), each positioning plate (31) is provided with a movable plate (32) in a butt joint mode, the positioning plates (31) are further provided with positioning bolts (33) for fixing the positions of the positioning plates (31) and the movable plates (32), the movable plates (32) are provided with a plurality of positioning holes (321) for inserting the positioning bolts (33), two ends of the first clamping plate (2) are respectively connected with the movable plates (32) on two sides in a rotating mode, and one of the movable plates (32) is further provided with locking pieces (322) for fixing the relative positions between the movable plates (32) and the positioning plates (31).

5. The directional drill rod restraining device according to claim 4, wherein two ends of the first clamping plate (2) are fixedly connected with first rotating shafts (23), one end of each first rotating shaft (23) penetrates through the moving plate (32) and is rotationally connected with the moving plate (32), one end of one first rotating shaft (23) penetrates through the moving plate (32) and is fixedly connected with a ratchet wheel (3222), and a pawl (3221) for limiting rotation of the ratchet wheel (3222) is arranged on one side, close to the ratchet wheel (3222), of the moving plate (32).

6. An oriented drill rod restraint device according to claim 4, characterized in that the lower surface of the support plate (1) is further provided with a fixing assembly (5) for fixing the position of the support plate (1).

7. An oriented drill rod restraint device according to claim 6, characterized in that the fixing assembly (5) comprises a plurality of fixing rods (51) fixedly connected at one end to the support plate (1).

8. The directional drill rod restraining device according to claim 7, wherein a sleeve rod (52) is sleeved on the outer side wall of the fixing rod (51), a limiting collar (511) for reducing falling off of the sleeve rod (52) is fixedly connected to the fixing rod (51), a reinforcing top block (512) is fixedly connected to one end, away from the supporting plate (1), of the fixing rod (51), and a plurality of reinforcing blocks (521) are rotatably connected to one end, away from the supporting plate (1), of the sleeve rod (52).