Fixed-point supporting device for gas extraction drilling

Abstract

The utility model discloses a gas extraction drilling fixed-point supporting device which comprises a fixed installation base, a driving motor is installed on the inner side of the right end of the fixed installation base, an adjusting rod is arranged at the left end of the driving motor, and a movable supporting frame is arranged on the outer side of the adjusting rod. A second movable supporting connecting rod is arranged on the rear side of the first movable supporting connecting rod. And the fixed installation bearing plate is fixedly installed at the upper end of the first movable supporting connecting rod, fixed limiting supporting rods connected with the fixed installation base are arranged on the front side and the rear side of the left end of the fixed installation bearing plate correspondingly, and an adjusting bolt is arranged at the joint of the fixed installation bearing plate and the fixed installation bottom plate. According to the gas extraction drilling fixed-point supporting device, stable lifting movement adjustment can be conducted according to needs, the shaking phenomenon caused during expansion is avoided, stable connection and installation are facilitated, and the practical effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to gas extraction, in particular to a fixed-point support device for a gas extraction drilling hole. Background Art

[0002] Coalbed gas, also known as coal-bed methane, is a mixed gas composed of methane, carbon dioxide and nitrogen that escapes from coal and surrounding rocks. Gas is a harmful factor in coal mine production. It not only pollutes the air, but also causes explosions. At the same time, coal mine gas is also a clean energy source. The most commonly used solution is to use drilling holes to extract coalbed gas, but the hole collapse phenomenon will affect the work. Therefore, a support device for coalbed gas extraction drilling is needed to prevent the hole collapse, such as:

[0003] Chinese patent authorization announcement number CN214836467U discloses a hydraulic support device, including a hydraulic support and a measure pipe. The hydraulic support includes a base, a top beam, a front beam, a guard rail and a guard rail jack. The top beam is connected to the base, the rear end of the front beam is connected to the front end of the top beam, the guard rail is connected to the front end of the front beam, and the guard rail jacks are respectively connected to the guard rail front beam; the measure pipe is arranged on the hydraulic support, connected to the goaf, and is used to extract gas from the goaf or fill materials into the goaf.

[0004] The above-mentioned existing technical solutions have the following defects: it is not convenient to perform stable lifting and moving adjustments according to needs, it is easy to cause shaking during expansion, it is not convenient to perform stable connection and installation, and the practical effect is not good. Therefore, we propose a gas extraction drilling fixed-point support device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a fixed-point support device for gas extraction drilling to solve the problems raised in the above-mentioned background technology that it is not convenient to perform stable lifting and moving adjustment according to needs, it is easy to cause shaking during expansion, it is not convenient to perform stable connection and installation, and the practical effect is not good.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas extraction drilling fixed-point support device, comprising a fixed mounting base, a driving motor is mounted on the inner side of the right end of the fixed mounting base, and an adjusting rod is arranged on the left end of the driving motor, a movable support frame is arranged on the outer side of the adjusting rod, and a first movable support connecting rod is arranged on the upper end of the movable support frame, a second movable support connecting rod is arranged on the rear side of the first movable support connecting rod, and a movable connection block is arranged on the upper side of the left end of the second movable support connecting rod;

[0007] A fixed installation receiving plate is fixedly installed on the upper end of the first movable supporting connecting rod, and fixed limiting support rods connected to the fixed installation base are arranged on the front and rear sides of the left end of the fixed installation receiving plate, and a fixed installation base plate is arranged above the fixed installation receiving plate, an adjusting bolt is arranged at the connection between the fixed installation receiving plate and the fixed installation base plate, and reserved installation support rods are fixedly installed on the left and right sides of the upper end of the fixed installation base plate.

[0008] Preferably, a rubber anti-skid foot pad with anti-skid and wear-resistant effect is provided at the lower end of the fixed mounting base, and the fixed mounting base and the rubber anti-skid foot pad are connected by bonding.

[0009] Preferably, a linkage shaft is fixedly mounted on the left end of the adjustment rod, and an inner-tooth adjustment belt is arranged on the outer side of the linkage shaft, and the linkage shaft and the inner-tooth adjustment belt are connected in a meshing manner.

[0010] Preferably, the adjusting rod is connected to the movable support frame by means of threads, and the movable support frame and the second movable support connecting rod both form a rotating structure on the first movable support connecting rod.

[0011] Preferably, the second movable supporting connecting rod forms a rotating structure at the lower end of the movable connecting block, and a limiting groove body located on the inner side of the fixed installation receiving plate is provided on the outer side of the upper end of the movable connecting block, and the movable connecting block forms a snap-in sliding structure in the fixed installation receiving plate through the limiting groove body.

[0012] Preferably, the fixed installation receiving plate forms a sleeve-type lifting structure on the fixed limiting support rod, and the fixed installation receiving plate and the fixed installation base plate are both connected to the adjusting bolt in a threaded manner.

[0013] Preferably, a rubber ring is provided on the outer side of the lower end of the adjusting bolt, and the adjusting bolt and the rubber ring are connected in a sleeve-type manner.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the fixed-point support device for gas extraction drilling can be stably lifted and moved according to needs, avoiding the phenomenon of shaking caused by expansion, facilitating stable connection and installation, and improving the practical effect of the device;

[0015] When the adjusting motor is turned on and the adjusting rod is rotated, the movable support frame which is threadably connected to the adjusting rod can be driven to perform stable lateral movement adjustment in the fixed installation base, so that the first movable support connecting rod rotatably connected to the upper end of the movable support frame and the second movable support connecting rod can be cross-rotated, so that the movable connection block arranged on the upper end of the second movable support connecting rod can perform stable lateral movement adjustment in the fixed installation receiving plate through the limiting groove body, so that the fixed installation receiving plate can perform sleeve-type lifting and lowering movement on the fixed limiting support rod, and can perform stable lifting and lowering movement adjustment according to needs, so as to avoid shaking during expansion;

[0016] 2. The fixed installation receiving plate and the fixed installation bottom plate are connected to the adjusting bolt by means of threads, and the adjusting bolt and the rubber ring are connected by means of sleeves, so that the fixed installation receiving plate and the fixed installation bottom plate can be stably connected and installed. The upper left and right sides of the fixed installation bottom plate are fixedly installed with reserved installation support rods, which is convenient for installing different top plates according to needs;

[0017] 3. The adjusting rod and the linkage shaft rod are fixedly connected, and the adjusting rod is symmetrically arranged front and back about the center line of the fixed mounting base. When the driving motor is turned on to rotate the adjusting rod, the linkage shaft rod can be driven to rotate synchronously, so that the internal tooth adjustment belt meshing with the linkage shaft rod drives the linkage shaft rod and its corresponding monomer to rotate in the same direction, so that the first movable supporting connecting rod and the second movable supporting connecting rod are under the dual protection of the symmetrical arrangement, thereby enhancing the stability of lifting and lowering, and effectively improving the practical effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 It is a front cross-sectional structural schematic diagram of the connection between the adjusting rod and the movable support frame of the utility model;

[0021] Figure 4 It is a schematic diagram of a top view of the cross-sectional structure of the adjustment rod and the movable support frame connected to the utility model.

[0022] In the figure: 1. Fixed mounting base; 2. Rubber non-slip foot pad; 3. Driving motor; 4. Adjusting rod; 5. Linkage shaft rod; 6. Inner tooth adjustment belt; 7. Fixed limit support rod; 8. Fixed mounting receiving plate; 9. Movable support frame; 10. First movable support connecting rod; 11. Second movable support connecting rod; 12. Movable connecting block; 13. Limiting groove; 14. Fixed mounting bottom plate; 15. Adjusting bolt; 16. Rubber ring; 17. Reserved mounting support rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a gas extraction drilling fixed-point support device, comprising a driving motor 3 installed on the inner side of the right end of a fixed mounting base 1, and an adjusting rod 4 is arranged on the left end of the driving motor 3, a movable support frame 9 is arranged on the outer side of the adjusting rod 4, and a first movable support connecting rod 10 is arranged on the upper end of the movable support frame 9, a second movable support connecting rod 11 is arranged on the rear side of the first movable support connecting rod 10, and a movable connection block 12 is arranged on the upper side of the left end of the second movable support connecting rod 11;

[0025] The fixed installation receiving plate 8 is fixedly installed on the upper end of the first movable supporting connecting rod 10, and the front and rear sides of the left end of the fixed installation receiving plate 8 are provided with fixed limiting support rods 7 connected to the fixed installation base 1, and a fixed installation base plate 14 is provided above the fixed installation receiving plate 8, and an adjusting bolt 15 is provided at the connection between the fixed installation receiving plate 8 and the fixed installation base plate 14, and reserved installation support rods 17 are fixedly installed on the left and right sides of the upper end of the fixed installation base plate 14.

[0026] Specific as Figure 1 , Figure 3 and Figure 4In the embodiment, a rubber non-slip foot pad 2 with anti-slip and wear-resistant effect is provided at the lower end of the fixed mounting base 1, and the fixed mounting base 1 and the rubber non-slip foot pad 2 are connected by bonding, which can enhance the anti-slip effect of the fixed mounting base 1 and the ground under the action of the rubber non-slip foot pad 2; a linkage shaft rod 5 is fixedly installed at the left end of the adjusting rod 4, and an inner tooth adjustment belt 6 is provided on the outer side of the linkage shaft rod 5, and the linkage shaft rod 5 and the inner tooth adjustment belt 6 are connected by meshing, which can drive the linkage shaft rod 5 to rotate synchronously when the adjusting rod 4 is rotated, so that the inner tooth adjustment belt 6 meshing with the linkage shaft rod 5 drives the linkage shaft rod 5 and its other monomer to rotate in the same direction; the adjusting rod 4 is connected to the movable support frame 9 by a threaded manner, and the movable support frame 9 and the second movable support connecting rod 11 both constitute a rotating structure on the first movable support connecting rod 10, which can drive the movable support frame 9 threadedly connected to the adjusting rod 4 to perform stable lateral movement adjustment in the fixed mounting base 1 when the driving motor 3 is turned on to rotate the adjusting rod 4.

[0027] Specific as Figure 1 , Figure 2 and Figure 3 In the embodiment, the second movable support connecting rod 11 forms a rotating structure at the lower end of the movable connecting block 12, and a limiting groove body 13 located on the inner side of the fixed installation receiving plate 8 is arranged on the outer side of the upper end of the movable connecting block 12, and the movable connecting block 12 forms a snap-fit ​​sliding structure in the fixed installation receiving plate 8 through the limiting groove body 13, which can make the staggered rotation of the first movable support connecting rod 10 and the second movable support connecting rod 11 more stable; the fixed installation receiving plate 8 forms a sleeve-type lifting structure on the fixed limiting support rod 7, and the fixed installation receiving plate 8 and the fixed installation base plate 14 are both connected to the adjusting bolt 15 in a threaded manner, which can make the fixed installation base plate 14 and the fixed installation receiving plate 8 stably connected and installed to avoid shaking or falling off in the later stage; a rubber ring 16 is arranged on the outer side of the lower end of the adjusting bolt 15, and the adjusting bolt 15 and the rubber ring 16 are connected in a sleeve-type manner, which can avoid the loosening of the adjusting bolt 15 under resonance conditions.

[0028] When using the gas extraction drilling fixed point support device, first assemble the various parts, and then stably place the fixed installation base 1 on the gas extraction range through the rubber non-slip foot pad 2 connected by bonding on the lower surface. Figure 1 , Figure 2 and Figure 3In the embodiment, a fixed mounting receiving plate 8 and a fixed mounting base plate 14 are connected to the adjusting bolt 15 by means of threads, and the adjusting bolt 15 and the rubber ring 16 are connected by means of sleeve connection, so that the fixed mounting receiving plate 8 and the fixed mounting base plate 14 can be stably connected and installed. Reserved mounting support rods 17 are fixedly installed on both sides of the upper end of the fixed mounting base plate 14, so that different top plates can be installed according to needs. This device can be adjusted for up and down lifting and expansion, and can also be adjusted for lateral lifting and expansion.

[0029] Specific as Figure 1 , Figure 3 and Figure 4 When the drive motor 3 is turned on and the adjusting rod 4 is rotated, the linkage shaft rod 5 can be driven to rotate synchronously, so that the inner tooth adjusting belt 6 meshing with the linkage shaft rod 5 drives the linkage shaft rod 5 and its corresponding monomer to rotate in the same direction. At this time, the movable support frame 9 threadedly connected with the adjusting rod 4 can be stably adjusted laterally in the fixed installation base 1. Since the movable support frame 9 and the second movable support connecting rod 11 both constitute a rotating structure on the first movable support connecting rod 10, the first movable support connecting rod 10 and the second movable support connecting rod 11 are both symmetrically arranged front and back about the center line of the fixed installation base 1, the stability can be enhanced under double protection. The movable connection block 12 constitutes a rotating structure at the upper end of the second movable support connecting rod 11. At this time, the movable connection block 12 is adjusted to slide laterally in the fixed installation receiving plate 8 through the limiting groove body 13, so that the fixed installation receiving plate 8 is sleeved and lifted on the fixed limiting support rod 7, so that the fixed installation bottom plate 14 can move up and down smoothly as a whole, and the drilling tools for gas extraction are supported at a fixed point.

[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas extraction drilling fixed-point support device, It is characterized in that include: A fixed mounting base (1), a driving motor (3) is mounted on the inner side of the right end of the fixed mounting base (1), and an adjusting rod (4) is arranged on the left end of the driving motor (3), a movable support frame (9) is arranged on the outer side of the adjusting rod (4), and a first movable support connecting rod (10) is arranged on the upper end of the movable support frame (9), a second movable support connecting rod (11) is arranged on the rear side of the first movable support connecting rod (10), and a movable connecting block (12) is arranged on the upper side of the left end of the second movable support connecting rod (11); A fixed mounting receiving plate (8) is fixedly mounted on the upper end of the first movable supporting connecting rod (10); fixed limiting support rods (7) connected to the fixed mounting base (1) are arranged on both the front and rear sides of the left end of the fixed mounting receiving plate (8); a fixed mounting base plate (14) is arranged above the fixed mounting receiving plate (8); an adjusting bolt (15) is arranged at the connection between the fixed mounting receiving plate (8) and the fixed mounting base plate (14); and reserved mounting support rods (17) are fixedly mounted on both the left and right sides of the upper end of the fixed mounting base plate (14).

2. A gas extraction drilling fixed-point support device according to claim 1, Features: A rubber anti-skid foot pad (2) having anti-skid and wear-resistant effects is arranged at the lower end of the fixed installation base (1), and the fixed installation base (1) and the rubber anti-skid foot pad (2) are connected by bonding.

3. A gas extraction drilling fixed-point support device according to claim 1, Features: A linkage shaft rod (5) is fixedly mounted on the left end of the adjustment rod (4), and an inner-tooth adjustment belt (6) is arranged on the outer side of the linkage shaft rod (5), and the linkage shaft rod (5) and the inner-tooth adjustment belt (6) are connected in a meshing manner.

4. A gas extraction drilling fixed-point support device according to claim 3, Features: The adjusting rod (4) and the movable support frame (9) are connected in a threaded manner, and the movable support frame (9) and the second movable support connecting rod (11) both form a rotating structure on the first movable support connecting rod (10).

5. A gas extraction drilling fixed-point support device according to claim 4, Features: The second movable supporting connecting rod (11) forms a rotating structure at the lower end of the movable connecting block (12), and a limiting groove body (13) located on the inner side of the fixed installation receiving plate (8) is provided on the outer side of the upper end of the movable connecting block (12), and the movable connecting block (12) forms a snap-fit ​​sliding structure in the fixed installation receiving plate (8) through the limiting groove body (13).

6. A gas extraction drilling fixed-point support device according to claim 5, Features: The fixed installation receiving plate (8) forms a sleeve-type lifting structure on the fixed limiting support rod (7), and the fixed installation receiving plate (8) and the fixed installation bottom plate (14) are both connected to the adjustment bolt (15) in a threaded manner.

7. A gas extraction drilling fixed-point support device according to claim 6, Features: A rubber ring (16) is arranged on the outer side of the lower end of the adjusting bolt (15), and the adjusting bolt (15) and the rubber ring (16) are connected in a sleeve-connected manner.

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