A hydraulic drive system for forward and reverse drilling rigs

Abstract

The present invention discloses a forward and reverse drilling rig hydraulic drive system, aiming to solve the problems of easy shaking and high temperature. The key points of its technical solution are: a forward and reverse drilling rig hydraulic drive system, including a base, a circular groove is provided at the upper end of the base, a fixed frame is fixedly installed in the middle of the left and right sides of the upper end of the base, a slide groove is provided on the opposite surfaces of the two fixed frames, and a sliding support device is commonly provided inside the two slide grooves, and a support plate is fixedly installed inside the sliding support device, a hydraulic drive mechanism is provided at the upper end of the support plate, a cooling and dust reduction device is provided at the upper left and right parts of the upper end of the support plate, a support device is commonly provided on the upper parts of the opposite surfaces of the two fixed frames, and a driving device is commonly provided at the lower rear ends of the two fixed frames. The present invention inserts a rod into the soil to stabilize the hydraulic drive device and prevent it from shaking.

Description

Technical Field

[0001] The invention relates to a forward and reverse drilling machine, and more particularly to a hydraulic driving system of a forward and reverse drilling machine. Background Art

[0002] The construction of large-scale pumped-storage power stations mainly relies on the height difference characteristics of the upper and lower reservoirs in mountainous terrain to convert water into gravitational potential energy or electrical energy. The structures of pumped-storage power stations generally include upper and lower reservoirs and pressure pipes. Among them, the upper reservoir is built on the upper part of the mountain; the lower reservoir is arranged at the bottom of the mountain, using the original or building a new reservoir; the pressure pipe is built inside the mountain. At the same time, there are also underground powerhouses for installing generators, voltage regulating rooms for power transmission and transformation, and tailwater channels for power generation. With the increase in the installed capacity of pumped-storage power stations, the water head of the water transmission system is high, and the length of the pressure pipe increases, resulting in large vertical shafts and large-angle inclined shaft projects during the construction process, which are difficult to construct and have high risks. Therefore, the efficient construction of vertical shafts and inclined shafts with large inclination angles has become one of the key issues restricting the construction of pumped storage power stations. The vertical inclined shafts with large inclination angles of the pressure pipelines of pumped storage power stations were first constructed using the climbing tank method, which has disadvantages such as dangerous working environment, high labor intensity of workers, and serious occupational injuries. As the length of the inclined shaft increases, the construction efficiency is low, and it is gradually replaced by the reverse drilling method. However, relevant domestic research institutes and drilling companies have invented single-function products such as vertical shafts, inclined shafts, and reverse drilling. A multifunctional large-diameter forward and reverse drilling rig has not yet been proposed. The hydraulic drive system of the existing forward and reverse drilling rig is prone to shaking during use, resulting in a decrease in the stability of the forward and reverse drilling rig. The hydraulic drive system of the forward and reverse drilling rig will generate a high temperature when working, shortening its service life. A large amount of dust will be generated during operation to pollute the environment, and the dust will easily clog the drive system, affecting its normal use.

[0003] Therefore, a new solution needs to be proposed to solve this problem. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a forward and reverse drilling rig hydraulic drive system, which stabilizes the hydraulic drive device by inserting a rod into the soil to prevent it from shaking.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a forward and reverse drilling rig hydraulic drive system, comprising a base, the upper end of the base is provided with a circular groove, the middle part of the upper left and right sides of the base is fixedly installed with a fixed frame, the opposite surfaces of the two fixed frames are provided with a slide groove, the insides of the two slide grooves are jointly provided with a sliding support device, the upper end of the sliding support device is provided with a hydraulic drive mechanism, the upper left part and the upper right part of the support plate are both provided with a cooling and dust reduction device, the upper parts of the opposite surfaces of the two fixed frames are jointly provided with a supporting device, the rear lower parts of the two fixed frames are jointly provided with a driving device, the sliding support device comprises a slide plate, the upper left part and the upper right part of the slide plate are both movably connected with a limiting rod, the upper end of the slide plate is fixedly installed with a U-shaped frame, the upper end of the U-shaped frame is fixedly installed with a lifting ring, and the sliding support device is movably connected with the fixed frame through the slide plate;

[0006] The hydraulic drive mechanism includes a hydraulic cylinder, a connecting rod is fixedly connected to the middle part of the lower end of the hydraulic cylinder, a bracket is fixedly installed on the lower end of the connecting rod, a horizontal plate is fixedly installed on the lower end of the bracket, a driving motor is fixedly installed on the middle part of the upper end of the horizontal plate, a driving shaft is fixedly installed on the output end of the driving motor, a drill bit is fixedly installed on the lower end of the driving shaft, a plug rod is fixedly installed on the lower left and lower right parts of the horizontal plate, and the hydraulic drive mechanism is fixedly connected to the support plate through the hydraulic cylinder.

[0007] The present invention is further configured as follows: the cooling and dust reduction device includes a water storage cylinder, a connecting pipe is fixedly installed on the front side of the lower portion of the outer surface of the water storage cylinder, a nozzle is fixedly installed on the front end of the connecting pipe, an extrusion disk is provided on the upper portion of the inner cavity of the water storage cylinder, an extrusion rod is fixedly installed on the middle portion of the lower end of the extrusion disk, a water outlet pipe is fixedly installed on the right side of the upper portion of the outer surface of the water storage cylinder, an arc-shaped cooling plate is fixedly installed on the right end of the water outlet pipe, a return pipe is fixedly installed on the lower portion of the left end of the arc-shaped cooling plate, and the cooling and dust reduction device is fixedly connected to the support plate via the water storage cylinder.

[0008] The present invention is further configured as follows: the support device includes a support connecting plate, a stabilizing plate is fixedly installed on the left and right parts of the lower end of the support connecting plate, an arc-shaped plate is fixedly installed on both sides of the left and right sides of the lower end middle of the support connecting plate, the opposite surfaces of the two arc-shaped plates are movably connected with a rotating shaft, a rotating drum is fixedly installed on the outer surface of the rotating shaft, a sling is movably connected to the outer surface of the rotating drum, and the support device is fixedly connected to the fixed frame through the support connecting plate.

[0009] The present invention is further configured as follows: the driving device includes a connecting frame, a rotating rod is fixedly inserted and connected to the rear part of the inner cavity of the connecting frame, a servo motor is fixedly installed on the right end of the rotating rod, a roller is fixedly installed on the middle part of the outer surface of the rotating rod, and the driving device is fixedly connected to the fixed frame through the connecting frame.

[0010] The present invention is further configured as follows: the suspension rope is fixedly connected to the sliding support device, and one end of the suspension rope away from the sliding support device is fixedly connected to the driving device.

[0011] The present invention is further configured such that: the arc-shaped cooling plate is in contact with the outer surface of the hydraulic drive mechanism.

[0012] The present invention is further configured such that: the diameter of the extrusion disk is the same as the inner diameter of the water storage cylinder.

[0013] In summary, the present invention has the following beneficial effects:

[0014] The driving motor drives the driving shaft to rotate, thereby driving the drill bit to rotate and drill holes. At the same time, the hydraulic cylinder drives the horizontal plate downward to drive the two insertion rods into the soil, which stabilizes the hydraulic drive device and prevents it from shaking.

[0015] The cooling water then enters the arc-shaped cooling plate through the water outlet pipe, thereby absorbing heat from the hydraulic cylinder, reducing its operating temperature and extending its service life. At the same time, the cooling water enters the connecting pipe and is sprayed out from the nozzle to reduce dust, reduce environmental pollution, and prevent dust from clogging the drive system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a structural schematic diagram of the sliding support device of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the hydraulic drive device of the present invention;

[0019] Figure 4 It is a schematic diagram of the structure of the cooling and dust reduction device of the present invention;

[0020] Figure 5 It is a schematic diagram of the structure of the support device of the present invention;

[0021] Figure 6 It is a schematic diagram of the structure of the driving device of the present invention;

[0022] Figure 7 It is a rear structural schematic diagram of the present invention.

[0023] In the figure: 1, base; 2, round groove; 3, fixed frame; 4, slide groove; 5, sliding support device; 6, support plate; 7, hydraulic drive mechanism; 8, cooling and dust suppression device; 9, support device; 10, drive device; 51, slide plate; 52, limit rod; 53, U-shaped frame; 54, lifting ring; 71, hydraulic cylinder; 72, connecting rod; 73, bracket; 74, horizontal plate; 75, drive motor; 76, drive shaft; 77. Drill bit; 78. Insert rod; 81. Water storage cylinder; 82. Connecting pipe; 83. Nozzle; 84. Extrusion plate; 85. Extrusion rod; 86. Water outlet pipe; 87. Arc cooling plate; 88. Return pipe; 91. Support connecting plate; 92. Stabilizing plate; 93. Arc plate; 94. Rotating shaft; 95. Rotating drum; 96. Lifting rope; 101. Connecting frame; 102. Rotating rod; 103. Servo motor; 104. Roller. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The present invention is described in detail below in conjunction with the accompanying drawings.

[0028] A forward and reverse drilling rig hydraulic drive system, such as Figure 1 and Figure 7As shown, it includes a base 1, a circular groove 2 is provided at the upper end of the base 1, a fixed frame 3 is fixedly installed in the middle of the left and right sides of the upper end of the base 1, a slide groove 4 is provided on the opposite surfaces of the two fixed frames 3, and a sliding support device 5 is commonly provided inside the two slide grooves 4, a support plate 6 is fixedly installed inside the sliding support device 5, a hydraulic drive mechanism 7 is provided on the upper end of the support plate 6, a cooling dust reduction device 8 is provided on the upper left and right parts of the upper end of the support plate 6, a supporting device 9 is commonly provided on the upper parts of the opposite surfaces of the two fixed frames 3, and a driving device 10 is commonly provided on the lower parts of the rear ends of the two fixed frames 3, the sliding support device 5 includes a slide plate 51, and a limit rod 52 is movably inserted and connected to the upper left and right parts of the upper end of the slide plate 51, and the limit rod 52 has a limiting effect on the slide plate 51 to prevent the slide plate 51 from shifting in position, a U-shaped frame 53 is fixedly installed on the upper end of the slide plate 51, and a hanging ring 54 is fixedly installed on the upper end of the U-shaped frame 53, and the sliding support device 5 is movably connected to the fixed frame 3 through the slide plate 51;

[0029] The hydraulic drive mechanism 7 includes a hydraulic cylinder 71, a connecting rod 72 is fixedly connected to the middle part of the lower end of the hydraulic cylinder 71, a bracket 73 is fixedly installed on the lower end of the connecting rod 72, a horizontal plate 74 is fixedly installed on the lower end of the bracket 73, and a driving motor 75 is fixedly installed on the middle part of the upper end of the horizontal plate 74. The driving motor 75 drives the driving shaft 76 to rotate, thereby driving the drill bit 77 to rotate and perform hole turning. The output end of the driving motor 75 is fixedly installed with a driving shaft 76, and the lower end of the driving shaft 76 is fixedly installed with a drill bit 77. A plug rod 78 is fixedly installed on the lower left and lower right parts of the horizontal plate 74. The hydraulic drive mechanism 7 is fixedly connected to the support plate 6 through the hydraulic cylinder 71.

[0030] The cooling dust suppression device 8 includes a water storage cylinder 81, a connecting pipe 82 is fixedly installed on the front side of the lower part of the outer surface of the water storage cylinder 81, a nozzle 83 is fixedly installed on the front end of the connecting pipe 82, an extrusion plate 84 is arranged on the upper part of the inner cavity of the water storage cylinder 81, the extrusion plate 84 squeezes the cooling water inside the water storage cylinder 81 downward, the diameter of the extrusion plate 84 is the same as the inner diameter of the water storage cylinder 81, an extrusion rod 85 is fixedly installed on the middle part of the lower end of the extrusion plate 84, and a nozzle 83 is fixedly installed on the upper right side of the outer surface of the water storage cylinder 81. A water outlet pipe 86 is provided, and cooling water then enters the arc-shaped cooling plate 87 through the water outlet pipe 86, thereby absorbing heat from the hydraulic cylinder 71, reducing its operating temperature and extending its service life. An arc-shaped cooling plate 87 is fixedly installed at the right end of the water outlet pipe 86, and the arc-shaped cooling plate 87 is in contact with the outer surface of the hydraulic drive mechanism 7. A return pipe 88 is fixedly installed at the lower left end of the arc-shaped cooling plate 87. The cooling and dust reduction device 8 is fixedly connected to the support plate 6 through the water storage cylinder 81.

[0031] The supporting device 9 includes a supporting connecting plate 91, a stabilizing plate 92 is fixedly installed on the left and right parts of the lower end of the supporting connecting plate 91, an arc-shaped plate 93 is fixedly installed on the left and right sides of the lower middle part of the supporting connecting plate 91, and the opposite surfaces of the two arc-shaped plates 93 are movably connected with a rotating shaft 94, and a rotating cylinder 95 is fixedly installed on the outer surface of the rotating shaft 94, and a sling 96 is movably connected to the outer surface of the rotating cylinder 95. The sling 96 is in a stretched state. At this time, when the sliding supporting device 5 moves downward, it drives the hydraulic driving device 7 to move downward. The sling 96 is fixedly connected to the sliding supporting device 5, and the end of the sling 96 away from the sliding supporting device 5 is fixedly connected to the driving device 10. The supporting device 9 is fixedly connected to the fixed frame 3 through the supporting connecting plate 91.

[0032] The driving device 10 includes a connecting frame 101, a rotating rod 102 is fixedly connected to the rear of the inner cavity of the connecting frame 101, a servo motor 103 is fixedly installed on the right end of the rotating rod 102, and a roller 104 is fixedly installed in the middle of the outer surface of the rotating rod 102. The driving device 10 is fixedly connected to the fixed frame 3 through the connecting frame 101.

[0033] Working principle: The servo motor 103 drives the rotating rod 102 to rotate, thereby driving the roller 104 to rotate, and then driving the suspension rope 96 on the roller 104 to be in a stretched state. At this time, the sliding support device 5 drives the hydraulic drive device 7 to move downward when it moves downward, and the connecting rod 72 is pushed downward when the hydraulic cylinder 71 is extended, thereby pushing the drill bit 77 downward to contact the ground, and the driving motor 75 drives the driving shaft 76 to rotate, thereby driving the drill bit 77 to rotate when it rotates, and at the same time, the hydraulic cylinder 71 drives the horizontal plate 74 to move downward, driving the two insertion rods 78 to penetrate into the soil, and the hydraulic drive The hydraulic cylinder 71 is extended to push the connecting rod 72 and the horizontal plate 74 downward, thereby driving the extrusion rod 85 to move downward, so that the extrusion plate 84 squeezes the cooling water inside the water storage cylinder 81 downward, so that the cooling water immediately enters the arc-shaped cooling plate 87 through the outlet pipe 86, thereby absorbing heat from the hydraulic cylinder 71, reducing its operating temperature and extending its service life. At the same time, the cooling water enters the connecting pipe 82 and is sprayed out from the nozzle 83 to reduce dust, reduce environmental pollution, and prevent dust from clogging the drive system.

[0034] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A hydraulic drive system for a forward and reverse drilling rig, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a circular groove (2), and a fixing frame (3) is fixedly installed in the middle of the left and right sides of the upper end of the base (1), and a slide groove (4) is provided on the opposite sides of the two fixing frames (3). A sliding support device (5) is commonly provided inside the two slide grooves (4), and a support plate (6) is fixedly installed inside the sliding support device (5). The upper end of the support plate (6) is provided with a hydraulic drive mechanism (7), and the upper left and upper right parts of the support plate (6) are provided with a cooling dust reduction device (8). The upper parts of the opposite surfaces of the two fixing frames (3) are commonly provided with a supporting device (9); the lower parts of the rear ends of the two fixing frames (3) are commonly provided with a driving device (10); the sliding supporting device (5) comprises a slide plate (51); the upper left part and the upper right part of the slide plate (51) are both movably connected with a limiting rod (52); the upper end of the slide plate (51) is fixedly mounted with a U-shaped frame (53); the upper end of the U-shaped frame (53) is fixedly mounted with a hanging ring (54); the sliding supporting device (5) is movably connected with the fixing frame (3) via the slide plate (51); The hydraulic drive mechanism (7) comprises a hydraulic cylinder (71), a connecting rod (72) is fixedly connected to the middle of the lower end of the hydraulic cylinder (71), a bracket (73) is fixedly mounted on the lower end of the connecting rod (72), a horizontal plate (74) is fixedly mounted on the lower end of the bracket (73), a driving motor (75) is fixedly mounted on the middle of the upper end of the horizontal plate (74), a driving shaft (76) is fixedly mounted on the output end of the driving motor (75), a drill bit (77) is fixedly mounted on the lower end of the driving shaft (76), and a plunger (78) is fixedly mounted on the left and right parts of the lower end of the horizontal plate (74). The hydraulic drive mechanism (7) is fixedly connected to the support plate (6) via the hydraulic cylinder (71).

2. A forward and reverse drilling rig hydraulic drive system according to claim 1, characterized in that: The cooling dust reduction device (8) comprises a water storage cylinder (81), a connecting pipe (82) is fixedly mounted on the front side of the lower portion of the outer surface of the water storage cylinder (81), a nozzle (83) is fixedly mounted on the front end of the connecting pipe (82), an extrusion disk (84) is arranged at the upper portion of the inner cavity of the water storage cylinder (81), an extrusion rod (85) is fixedly mounted at the middle portion of the lower end of the extrusion disk (84), a water outlet pipe (86) is fixedly mounted on the right side of the upper portion of the outer surface of the water storage cylinder (81), an arc-shaped cooling plate (87) is fixedly mounted on the right end of the water outlet pipe (86), and a return pipe (88) is fixedly mounted on the lower portion of the left end of the arc-shaped cooling plate (87), and the cooling dust reduction device (88) is fixedly connected to the support plate (6) via the water storage cylinder (81).

3. A forward and reverse drilling rig hydraulic drive system according to claim 1, characterized in that: The support device (9) comprises a support connecting plate (91), a stabilizing plate (92) is fixedly mounted on the left and right lower ends of the support connecting plate (91), an arc-shaped plate (93) is fixedly mounted on both left and right sides of the middle lower end of the support connecting plate (91), a rotating shaft (94) is movably interlaced and connected to the opposing surfaces of the two arc-shaped plates (93), a rotating drum (95) is fixedly mounted on the outer surface of the rotating shaft (94), and a suspension rope (96) is movably connected to the outer surface of the rotating drum (95), and the support device (9) is fixedly connected to the fixed frame (3) via the support connecting plate (91).

4. A forward and reverse drilling rig hydraulic drive system according to claim 1, characterized in that: The driving device (10) comprises a connecting frame (101), a rotating rod (102) is fixedly connected and inserted into the rear part of the inner cavity of the connecting frame (101), a servo motor (103) is fixedly mounted on the right end of the rotating rod (102), and a roller (104) is fixedly mounted on the middle part of the outer surface of the rotating rod (102), and the driving device (100) is fixedly connected to the fixing frame (3) via the connecting frame (101).

5. The forward and reverse drilling rig hydraulic drive system according to claim 3, characterized in that: The suspension rope (96) is fixedly connected to the sliding support device (5), and one end of the suspension rope (96) away from the sliding support device (5) is fixedly connected to the driving device (10).

6. A forward and reverse drilling rig hydraulic drive system according to claim 2, characterized in that: The arc-shaped cooling plate (87) is in contact with the outer surface of the hydraulic drive mechanism (7).

7. A forward and reverse drilling rig hydraulic drive system according to claim 2, characterized in that: The diameter of the squeezing plate (84) is the same as the inner diameter of the water storage cylinder (81).

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