Detachable rod loading and unloading device for water well drilling rig

Abstract

The utility model belongs to the technical field of drilling rig equipment, and particularly relates to a detachable rod loading and unloading device for a water well drilling rig, which comprises a support structure, a centering disc, a tower fixing seat and a drill rod unloading mechanism, the support structure is provided with a stepped groove and a first positioning hole and is detachably connected with the water well drilling rig through the first positioning hole, and the centering disc is clamped in the stepped groove. The tower fixing seat is provided with a through hole, the support structure is detachably connected with a water well drilling rig, a drill rod unloading mechanism hydraulic oil cylinder support, an adjustable hydraulic oil cylinder and a drill rod unloading plate fork through the tower fixing seat, the hydraulic oil cylinder support is fixedly connected with the support structure, and the two ends of the adjustable hydraulic oil cylinder are hinged to the hydraulic oil cylinder support and the drill rod unloading plate fork respectively through movable pin shafts. The device has the beneficial effects that the problem of uncontrollable concentric accuracy caused by thermal deformation in an integrated welding structure is solved, and the modular production and disassembly and assembly of the device are facilitated at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling equipment, in particular to a detachable loading and unloading rod device for a water well drilling rig. Background Art

[0002] A water well drilling rig is a kind of engineering machinery equipment for groundwater mining and mineral mining. The hydraulic rotary power head is supported by the drilling rig tower, and the drill rod of the power head is fixed to the equipment through a centering plate. After adjusting the concentricity, drilling operations are carried out. The existing centering plate mounting seat and the drilling rig equipment are usually an integrated welded structure. When the drilling rig is used for large-diameter drilling, it cannot be disassembled and replaced, which greatly increases the difficulty of construction and cannot adapt to more working conditions. In addition, during the production and manufacturing process of the drilling rig, the metal thermal deformation caused by welding causes the centering plate to have a vertical deviation, which affects the positioning accuracy of the centering plate and the adjustment of the concentricity of the drill rod. The centering plate or drill rod is often worn off at the construction site, which cannot meet the technical standards of technicians. Utility Model Content

[0003] The utility model aims at the above-mentioned problems and specifically designs a detachable loading and unloading rod device for a water well drilling rig, so as to solve the problem of uncontrollable concentricity accuracy caused by thermal deformation in the integrated welded structure, and at the same time facilitates the modular production and disassembly of the device.

[0004] To achieve the above-mentioned purpose, the utility model provides a detachable rod loading and unloading device for a water well drilling rig, comprising a support structure, a centering plate, a tower fixing seat and a drill rod unloading mechanism, the support structure is provided with a step groove and a first positioning hole, and is detachably connected to the water well drilling rig through the first positioning hole, the centering plate is clamped in the step groove, the tower fixing seat has a through hole, the support structure is detachably connected to the water well drilling rig through the tower fixing seat, and the drill rod unloading mechanism is arranged on the support structure.

[0005] Preferably, the drill rod unloading mechanism includes a hydraulic cylinder bracket, an adjustable hydraulic cylinder and a drill rod unloading plate fork, the hydraulic cylinder bracket is fixedly connected to the bracket structure, and the two ends of the adjustable hydraulic cylinder are respectively hinged to the hydraulic cylinder bracket and the drill rod unloading plate fork through movable pins.

[0006] By adopting the above technical solution, the device and the drilling rig equipment are of separate structures, which solves the problem of thermal deformation affecting the accuracy during the one-piece molding welding process, and realizes modular production and assembly of the device, greatly improving the production efficiency, while facilitating disassembly and replacement of parts, saving maintenance time and cost; the first positioning hole and the tower fixing seat are set for the connection between the support structure and the equipment. In addition, the horizontality of the support structure can be fine-tuned, and the concentricity of the centering plate and the drill rod can be calibrated to ensure the operating accuracy of the drilling rig equipment and reduce the loss of parts; the drill rod unloading mechanism is set, and the mechanized operation equipment is used to load and unload the drill rod, which is suitable for use in space-constrained working conditions such as water wells, and it is hinged in multiple places to facilitate the adjustment of the drill rod angle.

[0007] Furthermore, the support structure includes a first support and a second support, and the first support is detachably connected to the second support via a switch pin.

[0008] Preferably, the first bracket is also fixedly connected to a connecting plate, the connecting plate is provided with a second positioning hole, and the water well drilling rig can be detachably connected through the second positioning hole.

[0009] By adopting the above technical solution, the split design of the bracket structure facilitates the replacement of centering disks of different calibers, expands the application range of the device, is easy to operate, and saves replacement time; the connecting plate increases the tightness and stability of the bracket structure and equipment installation, ensuring the normal and stable operation of the drilling rig equipment; the second positioning hole is set for the connection between the bracket structure and the equipment, while increasing the concentricity fine-tuning method, further adjusting the concentricity of the centering disk and the drill rod, and improving the processing accuracy.

[0010] Furthermore, the second bracket is fixedly connected with a positioning pin.

[0011] By adopting the above technical solution, the positioning pin is used to position the drill pipe buckle wrench, thereby increasing the stability of equipment assembly.

[0012] Furthermore, the centering disk includes a first centering disk and a second centering disk, and the first centering disk abuts against the second centering disk via a locking pin.

[0013] By adopting the above technical solution, the split design of the centering plate can easily complete the centering operation of the drill rod, save assembly time, improve construction efficiency and quality, and the detachable structure is convenient for maintenance and replacement of parts.

[0014] In summary, the utility model has the following advantages and beneficial technical effects:

[0015] 1. The utility model utilizes a modular loading and unloading rod device, which is a separate structure from the drilling rig equipment group, to solve the problem of thermal deformation during the one-piece forming welding process that affects the accuracy, and realizes modular production and assembly of the device, greatly improving production efficiency, while facilitating disassembly and replacement of parts, saving maintenance time and cost.

[0016] 2. The first positioning hole and the tower fixing seat are set up for the connection between the support structure and the equipment. In addition, the horizontality of the support structure can be fine-tuned, the concentricity of the centering plate and the drill rod can be calibrated, the operating accuracy of the drilling equipment can be ensured, and the loss of parts can be reduced. The second positioning hole is set up for the connection between the support structure and the equipment, and at the same time, the concentricity fine-tuning method is added to further adjust the concentricity of the centering plate and the drill rod to improve the processing accuracy.

[0017] 3. The split design of the bracket structure facilitates the replacement of centering plates of different calibers, expands the application range of the device, is easy to operate, and saves time for replacement; the connecting plate increases the tightness and stability of the bracket structure and equipment installation, ensuring the normal and stable operation of the drilling rig equipment; the split design of the centering plate can easily complete the centering operation of the drill rod, save assembly time, improve construction efficiency and quality, and the detachable structure is convenient for maintenance and replacement.

[0018] 4. The setting of the drill pipe unloading mechanism and the mechanized operation equipment for loading and unloading drill pipes are suitable for use in working conditions with limited space such as water wells, and multiple hinged installations are convenient for adjusting the drill pipe angle; the split design of the centering plate can easily complete the centering operation of the drill pipe, saving assembly time, improving construction efficiency and quality, and the detachable structure is convenient for maintenance and replacement of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0021] Figure 2 It is a main schematic diagram of the utility model;

[0022] Figure 3 It is a side view schematic diagram of the utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of part of the structure of the utility model;

[0024] Figure 5 It is a top view schematic diagram of the utility model.

[0025] The reference numerals in the accompanying drawings are:

[0026] 1. Bracket structure; 11. First bracket; 12. Second bracket; 13. First positioning hole; 14. Switch pin shaft; 15. Connecting plate; 16. Second positioning hole; 17. Positioning pin;

[0027] 2. First centering plate; 3. Second centering plate; 4. Tower fixing seat; 41. Through hole;

[0028] 5. Drill rod unloading mechanism; 51. Hydraulic cylinder bracket; 52. Adjustable hydraulic cylinder; 53. Drill rod unloading plate fork; 54. Movable pin shaft;

[0029] 6. Lock the pin. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-Figure 5 The utility model is further described in detail:

[0031] like Figure 1 As shown, the present embodiment discloses a detachable rod loading and unloading device for a water well drilling rig, comprising a support structure 1, a centering plate, a tower fixing seat 4 and a drill rod unloading mechanism 5. A circular stepped groove is provided in the middle of the support structure 1, and a plurality of first positioning holes 13 are provided on the rear wing of the support structure 1. The support structure 1 is mounted on the beam of the water well drilling rig by fasteners at the first positioning holes 13. The centering plate is clamped in the stepped groove. The tower fixing seat 4 is provided with a threaded through hole 41 and is welded to the support structure 1. The support structure 1 is mounted on the tower of the water well drilling rig by screws and nuts at the through hole 41. The drill rod unloading mechanism 5 is arranged on the support structure 1; the drill rod unloading mechanism 5 comprises a hydraulic cylinder support 51, an adjustable hydraulic cylinder 52 and a drill rod unloading plate fork 53. The hydraulic cylinder support 51 is welded above the support structure 1. The cylinder end of the adjustable hydraulic cylinder 52 is hinged to the hydraulic cylinder support 51 through a movable pin 54, and the piston part is hinged to the drill rod unloading plate fork 53 through the movable pin 54.

[0032] like Figure 2-Figure 4 As shown, the bracket structure 1 includes a first bracket 11 and a second bracket 12. The first bracket 11 and the second bracket 12 are provided with matching and continuous stepped grooves. The first bracket 11 is connected to the second bracket 12 through a switch pin shaft 14; a connecting plate 15 is welded to the side of the first bracket 11 close to the tower fixing seat 4. The connecting plate 15 is vertically arranged and has multiple groups of second positioning holes 16 and through holes 41 for the tower fixing seat 4 to pass through. The first bracket 11 is installed on the beam of the water well drilling rig at the second positioning holes 16 by fasteners; the second bracket 12 is fixed with two groups of symmetrical positioning pins 17.

[0033] like Figure 5 As shown, the centering disk includes a first centering disk 2 and a second centering disk 3 . The first centering disk 2 and the second centering disk 3 are assembled and combined to form a standard circular centering disk, and the two are fixed by a locking pin 6 .

[0034] The working principle of the detachable loading and unloading rod device for a water well drilling rig of the utility model is:

[0035] 1. The device comprises a support structure 1, a centering plate, a tower fixing seat 4 and a drill rod unloading mechanism 5. A circular stepped groove is provided in the middle of the support structure 1, and a plurality of first positioning holes 13 are provided on the rear wing of the support structure 1. The support structure 1 is mounted on the beam of the water well drilling rig by fasteners at the first positioning holes 13. The centering plate is clamped in the stepped groove. The tower fixing seat 4 is provided with a threaded through hole 41 and welded to the support structure 1. The support structure 1 is mounted on the tower of the water well drilling rig by screws and nuts at the through hole 41. The drill rod unloading mechanism 5 is arranged on the support structure 1; the centering plate clamps the drill rod, the support structure 1 clamps the centering plate, the tower fixing seat 4 and the fasteners at the first positioning holes 13 realize the assembly and fixation of the support structure 1 and the water well drilling rig, and the tightening degree of the fasteners is changed to realize the adjustment of the vertical deviation of the device and ensure the concentricity of the drill rod and the centering plate.

[0036] 2. The drill rod unloading mechanism 5 includes a hydraulic cylinder bracket 51, an adjustable hydraulic cylinder 52 and a drill rod unloading plate fork 53. The hydraulic cylinder bracket 51 is welded on the top of the bracket structure 1. The cylinder end of the adjustable hydraulic cylinder 52 is hinged to the hydraulic cylinder bracket 51 through a movable pin 54, and the piston part is hinged to the drill rod unloading plate fork 53 through the movable pin 54. By changing the telescopic amount of the adjustable hydraulic cylinder 52 and the articulation degree of the movable pin 54, the angle adjustment of the drill rod unloading mechanism 5 for loading and unloading drill rods can be achieved.

[0037] 3. The bracket structure 1 includes a first bracket 11 and a second bracket 12. The first bracket 11 and the second bracket 12 are provided with matching and continuous stepped grooves. The first bracket 11 is connected to the second bracket 12 through a switch pin shaft 14. By changing the threaded screwing value of the switch pin shaft 14, the distance between the first bracket 11 and the second bracket 12 is adjusted, and the disassembly and assembly are simple, thereby realizing the replacement of centering discs of different calibers.

[0038] 4. A connecting plate 15 is welded to one side of the first bracket 11 close to the tower fixing seat 4. The connecting plate 15 is vertically arranged and has multiple groups of second positioning holes 16 and through holes 41 for the tower fixing seat 4 to pass through. The first bracket 11 is installed on the beam of the water well drilling rig by fasteners at the second positioning holes 16; by changing the tightness of the fasteners, the crimping stress between the connecting plate 15 and the drilling equipment is changed, and the concentricity of the device is adjusted by cooperating with the first positioning holes 13.

[0039] 5. The second bracket 12 is fixed with two sets of symmetrical positioning pins 17 to achieve accurate positioning of the drill pipe buckle wrench.

[0040] 6. The centering disk includes a first centering disk 2 and a second centering disk 3. The first centering disk 2 and the second centering disk 3 are assembled and combined to form a standard circular centering disk, and the two are fixed by a locking pin 6. By changing the threaded screw value of the locking pin 6, the distance between the first centering disk 2 and the second centering disk 3 can be adjusted, thereby changing the size of the centering disk clamping aperture.

[0041] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A detachable loading and unloading rod device for a water well drilling rig, characterized in that: It includes a support structure, a centering plate, a tower fixing seat and a drill rod unloading mechanism. The support structure is provided with a step groove and a first positioning hole, and is detachably connected to a water well drilling rig through the first positioning hole. The centering plate is clamped in the step groove. The tower fixing seat has a through hole. The support structure is detachably connected to the water well drilling rig through the tower fixing seat. The drill rod unloading mechanism is arranged on the support structure.

2. The detachable rod loading and unloading device for a water well drilling rig according to claim 1, characterized in that: The drill rod unloading mechanism comprises a hydraulic cylinder bracket, an adjustable hydraulic cylinder and a drill rod unloading plate fork. The hydraulic cylinder bracket is fixedly connected to the bracket structure, and both ends of the adjustable hydraulic cylinder are respectively hinged to the hydraulic cylinder bracket and the drill rod unloading plate fork through movable pins.

3. The detachable rod loading and unloading device for a water well drilling rig according to claim 2, characterized in that: The support structure comprises a first support and a second support, wherein the first support is detachably connected to the second support via a switch pin.

4. The detachable rod loading and unloading device for a water well drilling rig according to claim 3, characterized in that: The first bracket is also fixedly connected to a connecting plate, the connecting plate is provided with a second positioning hole, and the connecting plate is detachably connected to the water well drilling rig through the second positioning hole.

5. The detachable rod loading and unloading device for a water well drilling rig according to claim 4, characterized in that: The second bracket is fixedly connected with a positioning pin.

6. The detachable rod loading and unloading device for a water well drilling rig according to claim 5, characterized in that: The centering disk comprises a first centering disk and a second centering disk, wherein the first centering disk abuts against the second centering disk via a locking pin.

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