Hydraulic system microspur adjusting device of jet grouting drilling rig

Abstract

The utility model discloses a hydraulic system micro-distance adjusting device of a rotary spraying drilling machine, which comprises a rotary spraying drilling machine body and is characterized in that through holes are sequentially formed in the middle inside a rack of the rotary spraying drilling machine body from left to right respectively, and linear bearings are fixedly connected to the front sides and the rear sides inside the through holes respectively. Sliding rods are arranged in the linear bearings in a sliding manner; first hydraulic cylinders are fixedly connected to the front and rear sides of the left and right parts of a rack of the rotary spraying drilling rig body correspondingly. Through the arrangement of the linear bearing, the sliding rod, the first hydraulic cylinder, the concentric-square-shaped guide frame, the H-shaped sliding block, the rolling wheel, the second hydraulic cylinder, the third hydraulic cylinder and the supporting plate, the effect of finely adjusting the position of the rotary spraying drilling machine can be achieved, and the problem that an operator needs to remove a support and drive the rotary spraying drilling machine again to adjust the position of a drill bit can be effectively solved; the use is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of rotary jet drilling machines, and in particular relates to a hydraulic system micro-distance adjustment device of a rotary jet drilling machine. Background Art

[0002] A rotary jet drilling rig is a drilling tool used to transport media such as slurry, compressed air and clean water. It can ensure continuous dynamic tightness and static tightness under high-pressure working conditions. It is mainly composed of a drill rod, a diverter, a drill bit, a loosening preventer, an anti-loosening device, a pad fork and a reducer. There are still some problems in the actual use of existing rotary jet drilling rigs. For example, due to the uneven ground where the rotary jet drilling rig is working, the rotary jet drilling rig may move during the support process, and the drill bit is very easy to deviate from the predetermined position. However, the rotary jet drilling rig cannot move after being supported, so the operator needs to remove the support and drive the rotary jet drilling rig again to adjust the drill bit position, which greatly affects the working efficiency of the rotary jet drilling rig and is inconvenient to use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a macro adjustment device for the hydraulic system of a rotary jet drilling rig, which can achieve the effect of fine-tuning the position of the rotary jet drilling rig, and can effectively avoid the problem that the operator needs to remove the support and drive the rotary jet drilling rig again to adjust the drill position, and is more convenient to use.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a macro adjustment device of the hydraulic system of a rotary jet drilling rig, comprising a rotary jet drilling rig body, characterized in that through holes are respectively opened in the middle part of the inner part of the frame of the rotary jet drilling rig body from left to right, and the front and rear sides of the inner part of the through holes are respectively fixedly connected with linear bearings, wherein sliding rods are respectively slidably arranged inside the linear bearings; the front and rear sides of the left and right parts of the frame of the rotary jet drilling rig body are respectively fixedly connected with first hydraulic cylinders, and the front end between the output rods of the first hydraulic cylinder on the front side and the rear end between the output rods of the first hydraulic cylinder on the rear side are respectively fixedly connected with fine-adjustable support assemblies; the inner middle part of the fine-adjustable support assembly is respectively fixedly connected with the outer end of the sliding rod from left to right.

[0005] Preferably, the fine-adjustable support assembly comprises a U-shaped guide frame, an H-shaped slider is slidably arranged on the inner side of the U-shaped guide frame, and mounting grooves are respectively provided on the front and rear sides of the upper and lower horizontal sections of the H-shaped slider from left to right, wherein rollers are axially connected to the inner middle parts of the mounting grooves; the inner sides of the rollers are respectively axially arranged on the upper and lower parts of the U-shaped guide frame; the second hydraulic cylinder is respectively fixedly connected to the middle parts of the left and right parts of the inner side of the U-shaped guide frame, and the inner ends of the output rods of the second hydraulic cylinder are respectively fixedly connected to the left and right parts of the H-shaped slider; the third hydraulic cylinder is respectively fixedly connected to the left and right sides of the upper middle part of the H-shaped slider, and the lower ends of the output rods of the third hydraulic cylinder respectively penetrate the interior of the H-shaped slider, wherein a support plate is fixedly connected to the lower ends between the output rods of the third hydraulic cylinder.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] In the utility model, the arrangement of the linear bearing, the sliding rod, the first hydraulic cylinder, the U-shaped guide frame, the H-shaped slider, the roller, the second hydraulic cylinder, the third hydraulic cylinder and the support plate is conducive to achieving the effect of fine-tuning the position of the rotary jet drilling rig, and can effectively avoid the problem that the operator needs to remove the support and drive the rotary jet drilling rig again to adjust the drill position, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model.

[0009] Figure 2 It is a structural schematic diagram of the finely adjustable support assembly of the utility model.

[0010] Figure 1 to Figure 2 middle:

[0011] 1. Jet-jet drilling rig body; 2. Linear bearing; 3. Sliding rod; 4. First hydraulic cylinder; 5. Fine-adjustable support assembly; 51. U-shaped guide frame; 52. H-shaped slide block; 53. Roller; 54. Second hydraulic cylinder; 55. Third hydraulic cylinder; 56. Support plate. DETAILED DESCRIPTION

[0012] The utility model is described in detail below with reference to the accompanying drawings:

[0013] As shown in Figures 1 and 2, the utility model discloses a macro adjustment device for the hydraulic system of a rotary jet drilling rig, comprising a rotary jet drilling rig body 1, wherein through holes are respectively opened in the middle part of the frame of the rotary jet drilling rig body 1 from left to right, and linear bearings 2 are respectively fixedly connected to the front and rear sides of the through holes, wherein sliding rods 3 are respectively slidably arranged inside the linear bearings 2; first hydraulic cylinders 4 are respectively fixedly connected to the front and rear sides of the left and right parts of the frame of the rotary jet drilling rig body 1, and fine-adjustable support assemblies 5 are respectively fixedly connected to the front end between the output rods of the first hydraulic cylinder 4 on the front side and the rear end between the output rods of the first hydraulic cylinder 4 on the rear side; the inner middle part of the fine-adjustable support assembly 5 is respectively fixedly connected to the outer end of the sliding rod 3 from left to right.

[0014] Among them, the said fine-adjustable support assembly 5 comprises a U-shaped guide frame 51, an H-shaped slider 52 is slidably arranged on the inner side of the U-shaped guide frame 51, and the front and rear sides of the inner sides of the horizontal sections on the upper and lower sides of the H-shaped slider 52 are respectively provided with mounting grooves from left to right, wherein the inner middle parts of the mounting grooves are respectively axially connected with rollers 53; the inner sides of the rollers 53 are respectively rollingly arranged on the upper and lower parts of the U-shaped guide frame 51; the middle parts of the left and right parts of the inner side of the U-shaped guide frame 51 are respectively fixedly connected with the second hydraulic cylinder 54, and the inner ends of the output rods of the second hydraulic cylinder 54 are respectively fixedly connected with the left and right parts of the H-shaped slider 52; the left and right sides of the upper middle part of the H-shaped slider 52 are respectively fixedly connected with the third hydraulic cylinder 55, and the lower ends of the output rods of the third hydraulic cylinder 55 respectively penetrate the interior of the H-shaped slider 52, wherein the lower ends between the output rods of the third hydraulic cylinder 55 are fixedly connected with a support plate 56.

[0015] In the present embodiment, specifically, the U-shaped guide frame 51 is respectively arranged on the front and rear sides of the rotary jet drilling rig body 1, and the inner middle part of the U-shaped guide frame 51 is fixedly connected to the outer end of the sliding rod 3 from left to right.

[0016] In this embodiment, specifically, the inner left and right parts of the U-shaped guide frame 51 are respectively fixedly connected to the outer ends of the output rods of the first hydraulic cylinders 4 .

[0017] In this embodiment, specifically, the U-shaped guide frame 51 is a U-shaped alloy steel frame.

[0018] In this embodiment, specifically, the H-shaped sliding block 52 is made of an H-shaped alloy steel block.

[0019] In this embodiment, specifically, the support plate 56 is a stainless steel plate with a rectangular cross section.

[0020] In this embodiment, specifically, the first hydraulic cylinder 4 , the second hydraulic cylinder 54 and the third hydraulic cylinder 55 are respectively connected to the hydraulic transmission system pipeline of the rotary jet drilling rig body 1 .

[0021] In this embodiment, when supporting the rotary jet drilling rig body 1, the operator can control the output rod of the third hydraulic cylinder 55 to extend through the hydraulic transmission system of the rotary jet drilling rig body 1, so that the third hydraulic cylinder 55 drives the support plate 56 to move downward until the rotary jet drilling rig body 1 is propped up. If the drill bit of the rotary jet drilling rig body 1 deviates from the predetermined position, the operator can control the output rod of the first hydraulic cylinder 4 on the front side to extend through the hydraulic transmission system, and at the same time control the output rod of the first hydraulic cylinder 4 on the rear side to shorten. At this time, the first hydraulic cylinder 4 will drive the rotary jet drilling rig body 1 to move backward, thereby changing the position of the drill bit. On the contrary, when the output rod of the first hydraulic cylinder 4 on the front side is shortened through the hydraulic transmission system, and the output rod of the first hydraulic cylinder 4 on the rear side is extended at the same time, the first hydraulic cylinder 4 will drive the rotary jet drilling rig body 1 to move forward, thereby changing the position of the drill bit. During the movement of the rotary jet drilling rig body 1, the sliding rod 3 will be in the linear bearing 2 is slidable inside; the operator can also control the output rod of the second hydraulic cylinder 54 on the right to extend through the hydraulic transmission system, and at the same time control the output rod of the second hydraulic cylinder 54 on the left to shorten, at this time the U-shaped guide frame 51 will move to the right, and the U-shaped guide frame 51 will drive the rotary jet drilling rig body 1 to move to the right through the sliding rod 3 and the linear bearing 2, thereby changing the position of the drill bit, on the contrary, the output rod of the second hydraulic cylinder 54 on the right is shortened by the hydraulic transmission system, and at the same time control the output rod of the second hydraulic cylinder 54 on the left to extend, at this time the U-shaped guide frame 51 will move to the left, and the U-shaped guide frame 51 will drive the rotary jet drilling rig body 1 to move to the left through the sliding rod 3 and the linear bearing 2, thereby changing the position of the drill bit, thereby achieving the effect of fine-tuning the position of the rotary jet drilling rig, which can effectively avoid the problem that the operator needs to remove the support and drive the rotary jet drilling rig again to adjust the drill bit position, and is more convenient to use.

[0022] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A hydraulic system micro-adjustment device for a jet grouting drill, comprising a jet grouting drill body (1), characterized in that: Through holes are respectively opened in the middle part of the frame of the rotary jet drilling machine body (1) from left to right, and linear bearings (2) are respectively fixedly connected to the front and rear sides of the through holes, wherein sliding rods (3) are respectively slidably arranged inside the linear bearings (2); first hydraulic cylinders (4) are respectively fixedly connected to the front and rear sides of the left and right parts of the frame of the rotary jet drilling machine body (1), and fine-adjustable support components (5) are respectively fixedly connected to the front end between the output rods of the first hydraulic cylinder (4) on the front side and the rear end between the output rods of the first hydraulic cylinder (4) on the rear side; and the inner middle part of the fine-adjustable support component (5) is respectively fixedly connected to the outer end of the sliding rod (3) from left to right.

2. The hydraulic system micro-adjustment device of the rotary jet drilling rig according to claim 1, characterized in that: The fine-adjustable support assembly (5) comprises a U-shaped guide frame (51), an H-shaped slider (52) is slidably arranged inside the U-shaped guide frame (51), and mounting grooves are respectively provided in the front and rear sides of the upper and lower horizontal sections of the H-shaped slider (52) from left to right, wherein rollers (53) are respectively axially connected to the middle parts of the mounting grooves; the inner sides of the rollers (53) are respectively rotatably arranged on the upper and lower parts of the U-shaped guide frame (51); the middle parts of the left and right parts inside the U-shaped guide frame (51) are respectively fixedly connected to the second hydraulic cylinder (54), and the inner ends of the output rods of the second hydraulic cylinder (54) are respectively fixedly connected to the left and right parts of the H-shaped slider (52); the left and right sides of the upper middle part of the H-shaped slider (52) are respectively fixedly connected to the third hydraulic cylinder (55), and the lower ends of the output rods of the third hydraulic cylinder (55) respectively penetrate the inside of the H-shaped slider (52), wherein the lower ends of the output rods of the third hydraulic cylinder (55) are fixedly connected to the support plates (56).

3. The hydraulic system micro-adjustment device of the rotary jet drilling rig according to claim 2, characterized in that: The U-shaped guide frame (51) is respectively arranged on the front and rear sides of the jet grouting drilling machine body (1), and the inner middle part of the U-shaped guide frame (51) is fixedly connected to the outer end of the sliding rod (3) in sequence from left to right.

4. The hydraulic system micro-adjustment device of the rotary jet drilling rig according to claim 3, characterized in that: The inner left and right parts of the U-shaped guide frame (51) are respectively fixedly connected to the outer ends of the output rods of the first hydraulic cylinder (4).

5. The hydraulic system micro-adjustment device of the rotary jet drilling rig according to claim 4, characterized in that: The U-shaped guide frame (51) is made of a U-shaped alloy steel frame.

6. The hydraulic system micro-adjustment device of the rotary jet drilling rig according to claim 5, characterized in that: The H-shaped sliding block (52) is made of an H-shaped alloy steel block.

7. The hydraulic system micro-adjustment device of the rotary jet drilling rig according to claim 2, characterized in that: The support plate (56) is made of a stainless steel plate with a rectangular cross section.

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