WO2018196373A1

WO2018196373A1 - Drilling rig and guide rail structure for power head thereof

Info

Publication number: WO2018196373A1
Application number: PCT/CN2017/113589
Authority: WO
Inventors: 王坚
Original assignee: 珠海市英格尔特种钻探设备有限公司
Priority date: 2017-04-28
Filing date: 2017-11-29
Publication date: 2018-11-01
Also published as: CN106958424A; CN106958424B; CA3061169C; CA3061169A1

Abstract

A guide rail structure for a power head comprises a guide rail (1) installed at a drilling rig support and a power head support (2) arranged at and movable along the guide rail (1). The power head support (2) has a guide slot (3) going all the way through the power head support (2) in a vertical direction and having an opening at a first side. An adjustment block (4) is detachably installed in the guide slot (3) at the first side. A position of the adjustment block (4) is adjustable with respect to the guide slot (3). The adjustment block (4) cooperates with the guide slot (3) to clamp the guide rail (1). Respective wear resistant members (5) are provided between a second side of the guide slot (3) and the guide rail (1) and between a first side of the adjustment block (4) and the guide rail (1). The first side of the adjustment block (4) is away from the second side of the guide slot (3). Also disclosed is a drilling rig provided with the guide rail structure for a power head.

Description

Drilling machine and power head rail structure thereof

[0001]

Technical field

[0002] The present invention relates to the field of drilling rig technology, and in particular, to a drilling machine and a power head rail structure of the drilling machine. The present invention is based on a Chinese patent application filed on Apr. 28, 2017, the entire disclosure of which is incorporated herein by reference.

Background technique

[0003] The guide rails used in the conventional drilling rigs are mostly quadrangular in cross section. The power head brackets are sleeved on the guide rails through the square holes provided on the rails, and the wear sleeves are arranged between the guide rails and the square holes of the power brackets. The bracket can slide up and down along the rail.

[0004] Since the square hole of the power head bracket is closed, the assembly of the power head bracket can only be inserted into the guide rail from the two ends of the guide rail through special equipment and tools, and the assembly site and equipment are required to be high, and the assembly is difficult.

, low efficiency, difficult to replace wear-resistant pieces later.

[0005] The four matching holes of the power head bracket and the four matching surfaces of the guide rail are affected by the processing precision, and the gap between the square hole and the rail surface has a certain dimensional error, if the friction force of the power head bracket on the guide rail is to meet the design requirements. The thickness of the wear-resistant sheet must be made according to different gaps each time, and the period between turns is long. This method is not conducive to mass production.

[0006] Since the square hole of the power head bracket is closed, when the wear piece is worn, the gap cannot be adjusted, and the working power head is continuously shaken, and the guiding and orientation of the power head of the drilling machine are deteriorated, which ultimately affects the drilling. The effect is to accelerate the wear of the drill pipe and the aligning mechanism of the rig.

technical problem

In order to overcome the above deficiencies of the prior art, the present invention provides a power head rail structure of a drilling machine. The power head bracket can be fitted with a guide rail from one side, and the friction between the power head bracket and the guide rail can be conveniently adjusted.

Further, the present invention also provides a drilling machine using the above track structure.

[0009] Technical solutions

[0010] The technical solution adopted by the present invention to solve the technical problem thereof is to provide a power head rail structure package of a drilling machine The utility model comprises a guide rail mounted on the drill rig and a power head bracket mounted on the guide rail and movable along the guide rail, wherein the power head bracket is provided with a guide groove which is vertically penetrated and has a first side boring, and the guide groove is first The adjusting piece is detachably mounted on the side, the adjusting block is adjustable in position relative to the guiding groove, the adjusting block is matched with the guiding groove clamping rail, the second side of the guiding groove and the guiding rail are arranged between the first side of the adjusting block and the guide rail There is a wear plate, and the first side of the adjustment block is away from the second side of the guide groove.

[0011] Preferably, the cross section of the guide rail is polygonal, the second side of the guide groove and the first side of the adjustment block are respectively provided with a V-shaped groove, and the second side of the guide groove and the V-shaped groove on the first side of the adjustment block are respectively Cooperating with a pair of symmetrical V-shaped faces on the guide rail, each of the V-shaped grooves is provided with wear-resistant sheets on both side walls.

[0012] Preferably, the number of sides of the polygon of the cross section of the guide rail is an even number.

[0013] A further solution is that the guide rail has a hollow structure and has a regular hexagonal cross section, and the front and rear sides of the guide rail are not in contact with the front and rear side walls of the guide groove.

[0014] Optionally, the guide rail is a hollow structure and has a rhombic cross section, and the front side edge and the rear side edge of the guide rail are not in contact with the front and rear side walls of the guide groove.

[0015] Further, a reinforcing rib is disposed in the guide rail, and the left side edge and the right side edge of the guide rail are respectively connected to both sides of the reinforcing rib.

[0016] Alternatively, the cross section of the track is circular, and further, the track is a solid structure.

[0017] Further, the front and rear sides of the adjusting block are provided with screw holes, and the front and rear side walls of the guiding groove are respectively provided with strip-shaped holes, and the longitudinal direction of the strip holes is perpendicular to the axial direction of the guide rail. The adjustment block passes through the strip hole through the locking screw and is locked in the threaded hole.

[0018] In a further aspect, the power head bracket is detachably mounted on the second side of the adjusting block with at least one fixing block, and the fixing block is provided with an adjusting bolt that can be screwed in to push the adjusting block toward the first side.

[0019] In order to achieve the above another object, a drilling machine provided by the present invention includes a base, a rig is disposed on the rig, and a rig is mounted on the rig bracket, and the power head bracket is mounted on the rail and movable along the rail.

The power head bracket is provided with a guiding groove extending upward and downward and the first side opening, and the adjusting block is detachably mounted on the first side of the guiding groove, and the adjusting block is adjustable relative to the guiding groove, and the adjusting block is matched with the guiding block. Slot clamping rail

A wear plate is disposed between the second side of the guide groove and the guide rail and between the first side of the adjustment block and the guide rail, and the first side of the adjustment block is away from the second side of the guide groove.

Problem solution

Advantageous effects of the invention Beneficial effect

[0020] The beneficial effects of the present invention are as follows: The guide rail structure of the present invention is installed by using a guide groove of one side of the mouth, which is different from the traditional closed guide rail structure, and the assembly does not need to disassemble the components at both ends of the guide rail, and the assembly is simple, Reducing the requirements on the assembly site and equipment, the adjustment block is detachably mounted on the right side of the guide groove, which is convenient for adjusting the wear piece. After the wear piece is worn, the friction between the power head bracket and the guide rail is adjustable, Long-term drilling accuracy of the drilling rig is maintained, the wear of related parts is reduced, and the coaxiality of the movement path of the power head bracket and the guide rail is ensured to prevent the power head from shaking.

Brief description of the drawing

DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, in which:

1 is a schematic structural view of a first embodiment of the present invention;

Figure 2 is a cross-sectional view showing a first embodiment of the present invention;

3 is an exploded perspective view of a first embodiment of the present invention;

Figure 4 is a cross-sectional view showing a second embodiment of the present invention;

5 is an exploded perspective view of a second embodiment of the present invention.

Embodiments of the invention

[0027] The rig provided by the present invention comprises a base, the rig is provided with a rig bracket, and the rig is mounted with a guide rail. The power head of the rig can be mounted on the power head bracket, and the power head bracket can slide back and forth along the track. The rig power head track structure of the present invention will be described below by means of two embodiments.

[0028] First Embodiment:

1 and 2, a power head rail structure of a drilling machine according to a first embodiment of the present invention includes a rail 1 mounted on a drill bracket and a power head bracket 2 mounted on the rail 1 and movable along the rail 1. The power head bracket 2 is provided with a guide groove 3 which is vertically penetrated and has a right side opening. The adjustment block 4 is detachably mounted on the right side of the guide groove 3. The position of the adjustment block 4 relative to the guide groove 3 is adjustable.

[0030] Specifically, as shown in FIG. 3, the front and rear sides of the adjusting block 4 are provided with screw holes 7, and the front and rear side walls of the guiding groove 3 are respectively provided with strip holes 8 and the length of the strip holes 8. The direction is perpendicular to the axial direction of the guide rail 1, and the longitudinal direction of the strip-shaped hole 8 is also perpendicular to the direction of the right wall surface of the adjustment block 4. The adjustment block 4 passes through the strip by the locking screw 9 The hole 8 is locked in the threaded hole 7 and installed in the guide groove 3. The power head bracket 2 is detachably mounted on the right side of the adjusting block 4 with at least one fixing block 10, and the fixing block 10 is provided with a nut and a nut. An adjusting bolt 11 is mounted, and the adjusting bolt 11 can be screwed leftward through the nut to press the adjusting block 4 so that the adjusting block 4 engages the guide groove 3 to clamp the guide rail 1. In addition, a wear-resistant piece 5 is provided between the left side of the guide groove 3 and the guide rail 1 and between the left side of the adjustment block 4 and the guide rail 1.

[0031] Wherein, the shape of the guide rail 1 is special, and the cross section thereof may be a polygon having an even number of sides, a diamond shape, a circular shape, a hollow structure or a solid structure.

[0032] Referring to FIG. 2 and FIG. 3, in the embodiment, the cross section of the guide rail 1 is a hollow regular hexagon, and the angle between two adjacent sides of the guide rail 1 is 120°, and two adjacent side surfaces are formed. A V-shaped surface, a left side of the guide groove 3 and a left side of the adjustment block 4 are provided with a V-shaped groove 6, the V-shaped groove 6 has an angle of 120°, the left side of the guide groove 3 and the V-shaped groove on the left side of the adjustment block 4 6 respectively, cooperate with a pair of symmetrical V-shaped faces on the guide rail 1, that is, the pair of V-shaped faces form four sliding guide positioning faces of the guide rail 1, and the front and rear sides of the guide rail 1 are not opposite to the front and rear of the guide groove 3. The side walls are in contact with each side of each of the V-shaped grooves 6 to be provided with a wear-resistant sheet 5.

[0033] Second Embodiment:

4 and FIG. 5, the present embodiment is different from the first embodiment in that the guide rail 101 has a rhombic cross section, and the four sides form four sliding guide positioning surfaces of the guide rail 101, but the guide rail 101 The front side edge and the rear side edge are not in contact with the front side wall and the rear side wall of the guide groove 103, and the left side of the guide groove 103 and the V-shaped groove 106 on the left side of the adjusting block 104 are both symmetrically V-shaped with respect to the guide rail 101. The face is fitted. In this embodiment, the guide rail 101 is a hollow structure. In order to strengthen the bearing capacity of the guide rail 101, the guide rail 101 is provided with reinforcing ribs 121. The two sides of the reinforcing rib 121 are respectively connected to the left side edge and the right side edge of the guide rail 101.

[0035] In addition, the front and rear sides of the adjusting block 104 are provided with screw holes 107, and the front and rear side walls of the guiding groove 103 are respectively provided with strip holes 108, and the longitudinal direction of the strip holes 108 and the axial direction of the guide rail 101 Vertical.

[0036] During assembly of the powerhead 102 and holder rail 101, the first flat rail 101, again from the left side rail 101 is equipped with two sets of guide groove 105 of the wear plate _103, and then the other two The block wear plate 105 and the adjusting block 104 are placed on the right side of the guide groove 103. The fixing block 110 is mounted on the power head bracket 102, and the adjusting bolt 111 is pressed against the adjusting block 104 to adjust the friction between the power head bracket 102 and the guide rail 101. After the force is adjusted to the appropriate parameters, the locking screw 109 locks the adjusting block 104 and the power head bracket 102 to complete the assembly work.

[0037] It can be seen that the guide rail structure of the embodiment is simple to assemble, no special equipment and tools are needed, and the drilling rig is not removed. The bracket is located at the two ends of the guide rail, which is advantageous for batch production assembly. After working for a period of time, the wear plate 105 is worn out, and the lock screw 109 can be loosened to adjust the friction between the power head bracket 102 and the guide rail 101 again. Similarly, the wear plate 105 can be easily replaced, so that the drilling precision of the drilling machine can be maintained for a long time, the wear of related parts can be reduced, the coaxiality of the movement track of the power head bracket 102 and the guide rail 101 can be ensured, and the power head can be prevented from shaking. Happening.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and as long as it achieves the technical effects of the present invention by any identical or similar means, it should fall within the scope of protection of the present invention. .

Industrial Applicability

[0040] The guide rail structure of the present invention is assembled by using a guide groove of one side opening. Compared with the conventional closed guide rail structure, the guide rail structure of the present invention does not need to disassemble and disassemble the components at both ends of the guide rail, and the assembly is simple. Reducing the requirements on the assembly site and equipment, the adjustment block is convenient to adjust the wear-resistant piece. After the wear-resistant piece wears, the friction between the power head bracket and the guide rail can be adjusted to maintain the drilling precision of the drilling machine for a long time, and the power head can be prevented. Shake.

Claims

Claim

A power head rail structure of a drilling machine, comprising: a rail mounted on the rig bracket; and a power head bracket mounted on the rail and movable along the rail, wherein: the power head bracket is provided with a top and bottom a guide groove penetrating the first side port, the adjusting groove is detachably mounted on the first side, the adjusting block is adjustable in position relative to the guiding groove, and the adjusting block is matched with the guiding groove to clamp the guide rail. A wear plate is disposed between the second side of the guide groove and the guide rail and between the first side of the adjustment block and the guide rail, and the first side of the adjustment block is away from the second side of the guide groove.

The power head rail structure of a drilling machine according to claim 1, wherein: the rail has a polygonal cross section, and the second side of the guiding groove and the first side of the adjusting block are respectively provided.

a V-shaped groove, the second side of the guiding groove and the V-shaped groove on the first side of the adjusting block are respectively matched with a pair of symmetric V-shaped surfaces on the guide rail, and the wear-resistant pieces are arranged on both side walls of each V-shaped groove .

A power head rail structure for a drilling machine according to claim 2, wherein: the number of sides of the polygon of the cross section of the guide rail is an even number.

The power head rail structure of a drilling machine according to claim 3, wherein: the guide rail has a hollow structure and has a regular hexagonal cross section, and the front and rear sides of the guide rail are not opposite to the front of the guide groove. , the rear side wall contacts.

The power head rail structure of a drilling machine according to claim 3, wherein: the guide rail has a hollow structure and has a rhombic cross section, and the front side edge and the rear side edge of the guide rail are not opposite to the guide groove. Front and rear side walls are in contact.

The power head rail structure of a drilling machine according to claim 5, wherein: the rail is provided with reinforcing ribs, and the two sides of the reinforcing rib are respectively connected to the left side edge and the right side edge of the rail.

A power head rail structure for a drilling machine according to claim 1, wherein: said rail has a circular cross section.

A power head rail structure for a drilling machine according to claim 2 or 7, wherein: said rail is a solid structure.

A power head rail structure for a drilling machine according to any one of claims 1 to 8, characterized in that The utility model is characterized in that: the front and rear sides of the adjusting block are provided with threaded holes, and the front and rear side walls of the guiding groove are respectively provided with strip-shaped holes, and the longitudinal direction of the strip-shaped holes is opposite to the axial direction of the guide rail Vertically, the adjustment block passes through the strip hole through a locking screw and is locked in the threaded hole. The power head rail structure of a drilling machine according to any one of claims 1 to 9, wherein: the power head bracket is detachably mounted on the second side of the adjusting block with at least one fixing block, the fixing block An adjustment bolt that can be screwed in to press the adjustment block toward the first side is provided.

A drilling machine includes a chassis, a rig support is disposed on the pedestal, a guide rail is mounted on the rig bracket, and a power head bracket is mounted on the rail and movable along the rail, wherein: The power head bracket is provided with a guiding groove extending upward and downward and the first side opening, wherein the adjusting groove is detachably mounted on the first side, and the adjusting block is adjustable relative to the guiding groove, the adjusting a block-fitted guide groove clamping rail, a wear-resistant piece is disposed between the second side of the guide groove and the guide rail and between the first side of the adjustment block and the guide rail, and the first side of the adjustment block is away from the guide The second side of the slot.

A drilling machine according to claim 11, wherein: the guide rail has a polygonal cross section, and the second side of the guiding groove and the first side of the adjusting block are respectively provided with V-shaped grooves, and the guiding groove is The two sides and the V-shaped grooves on the first side of the adjusting block are respectively matched with a pair of symmetrical V-shaped faces on the guide rail, and the two side walls of each V-shaped groove are provided with wear-resistant pieces.

A drilling machine according to claim 12, wherein: the number of sides of the polygon of the cross section of the guide rail is an even number.

A drilling machine according to claim 13, wherein: the guide rail has a hollow structure and has a regular hexagonal cross section, and the front and rear sides of the guide rail are not in contact with the front and rear side walls of the guide groove. .

A drilling machine according to claim 13, wherein: the guide rail has a hollow structure and has a rhombic cross section, and the front side edge and the rear side edge of the guide rail are not opposite to the front and rear side walls of the guide groove. contact.

A drilling machine according to claim 15, wherein: said guide rail is provided with reinforcement [Claim 17] A power head rail structure for a drilling machine according to claim 11, wherein: the rail has a circular cross section.

[Claim 18] A drilling machine according to claim 12 or 17, wherein: the track is a solid structure.

[Claim 19] A drilling machine according to any one of claims 11 to 18, wherein: the front and rear sides of the adjusting block are provided with screw holes, and the front and rear side walls of the guiding groove are The cymbal is provided with a strip-shaped hole whose longitudinal direction is perpendicular to the axial direction of the guide rail, and the adjustment block passes through the strip-shaped hole through the locking screw and is locked in the threaded hole.

[Claim 20] A drilling machine according to any one of claims 11 to 19, wherein: the power head bracket is detachably mounted on the second side of the adjusting block with at least one fixing block, the fixing block An adjustment bolt that can be screwed in to press the adjustment block toward the first side is provided.