Light mechanical water jet cutter reducing reamer

Abstract

The utility model relates to the field of reducing reamer, and discloses a light mechanical water jet cutter reducing reamer which comprises a water jet cutter shell, a male connector groove is formed in the outer side of the front portion of the water jet cutter shell, a female connector groove is formed in the inner side of the rear portion of the water jet cutter shell, and a water jet cutter middle shaft penetrates through the middle of the water jet cutter shell in a sliding connection mode. A mounting groove is formed in the middle of the water jet cutter shell, cutter wings are arranged on the inner wall of the mounting groove, and stabilizing assemblies are arranged on the outer sides of the cutter wings. According to the variable-diameter reamer, the male connector groove and the female connector groove are formed in the front portion and the rear portion of the water jet cutter shell, so that the weight of two connectors is saved, and the overall weight of the variable-diameter reamer is reduced; the two parallel second teeth and the side face support of the blade can be in contact support with the outer side of the center shaft of the water jet cutter and the tooth groove, stress concentration is reduced, and the service life of the blade is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of variable diameter reamer, especially to a light mechanical water jet variable diameter reamer. BACKGROUND

[0002] In the coal mine drilling and oil drilling reaming, and the electric power bureau buried cable reaming, the variable diameter reamer as the key equipment undertakes the important task such as the drilling diameter expansion, rock stratum broken.

[0003] The light mechanical water jet variable diameter reamer for mining in the market currently mostly adopts the split type structure design, such as the utility model discloses a kind of automatic variable diameter mechanical reamer, the utility in this also uses split type reamer, split type structure part is numerous, overall weight is big, miner is inconvenient when handling and installing, reduce construction efficiency, simultaneously, the blade wing in variable diameter reamer is engaged with water jet axle by arc arrangement tooth, when working at high intensity, since arc arrangement tooth supports blade wing, stress is concentrated in local area of tooth, accelerates tooth abrasion, reduces the service life of blade wing, and existing device needs external water pump to carry out pressure test when detecting and maintaining blade wing, reduces the adaptability of equipment, therefore, a kind of light mechanical water jet variable diameter reamer is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a light mechanical water jet variable diameter reamer, which aims to improve the problems of "split type assembly, overall weight is large, inconvenient operation when handling and installing, arc arrangement tooth, stress is concentrated in local area of tooth, accelerates tooth abrasion" in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a light mechanical water jet variable diameter reamer, comprising a water jet shell, a male joint groove is arranged on the front outer side of the water jet shell, a female joint groove is formed on the inner side of the rear part of the water jet shell, a water jet axle is slidably connected through the middle part of the water jet shell, an installation groove is formed in the middle part of the water jet shell, a blade wing is arranged on the inner wall of the installation groove, and a stabilizing assembly is arranged on the outer side of the blade wing.

[0006] The stabilizing assembly comprises tooth No. 1 fixedly connected to the arc surface of the blade wing, tooth No. 2 is fixedly connected to the rear side of the blade wing, tooth grooves are formed on the outer side of the water jet axle, and tooth No. 1 and tooth No. 2 are engaged in the inner wall of the tooth grooves.

[0007] Further description of the above technical scheme:

[0008] The stabilizing assembly further comprises an installation hole, the installation hole is formed through the upper part of the blade wing, and the installation hole and the water jet shell are fixedly installed through a pin shaft.

[0009] As a further description of the above technical solutions:

[0010] The stabilizing assembly further comprises an inclined surface, which is formed at the upper and lower sides of the front part of the blade wing at an angle of 45 degrees.

[0011] As a further description of the above technical solutions:

[0012] The front side of the blade wing is provided with a groove.

[0013] As a further description of the above technical solutions:

[0014] The piston is fixedly connected to the rear side of the water jet cutter shaft, and a water passage is formed at the shaft center of the water jet cutter shaft and the piston.

[0015] As a further description of the above technical solutions:

[0016] The female joint groove is in a conical shape, and a threaded groove is formed in the inner side of the water jet cutter shell near the male joint groove.

[0017] As a further description of the above technical solutions:

[0018] The rear inner wall of the water jet cutter shell is provided with an adjusting member.

[0019] As a further description of the above technical solutions:

[0020] The adjusting member comprises an adjusting knob which is screw-connected to the inner wall of the threaded groove, a lead screw which is fixedly connected to the rear side of the adjusting knob, a fixed cylinder which is fixedly connected to the rear side of the lead screw, an extrusion member which is slidingly connected to the rear inner wall of the fixed cylinder and abuts against the outer side of the water passage, a spring a which is arranged on the outer side of the fixed cylinder, one end of the spring a being in contact with the inner wall of the water jet cutter shell and the other end of the spring a being in contact with the rear side of the adjusting knob, and the extrusion member being elastically connected to the fixed cylinder through a spring b.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、In the utility model, the male joint groove and the female joint groove are formed in the front and rear parts of the water jet cutter shell, so that the weight of two joints is saved, the overall weight of the variable-diameter hole reamer is reduced, and when the blade wing is unfolded by 90 degrees, the two parallel teeth and the side surface of the blade wing can support and contact the outer side and the tooth groove on the water jet cutter shaft, stress concentration is reduced, and the service life of the blade wing is increased.

[0023] 2. The utility model discloses, through the upper and lower part of the knife wing is equipped with forty -five degree angle's inclined surface and recess cooperation, the recess is through the welding column alloy, when carrying out the punching operation, whether the cutting work surface is coal or stone, can increase the efficiency when cutting, makes the cutting speed faster, this not only can save the electric power, also reduced the energy consumption, improved the operation efficiency.

[0024] 3. The utility model discloses, through the water -jet cutter shell rear portion inner wall setting adjusting part, through the rotation adjusting knob can drive screw rod removal, and then adjust fixed cylinder position, change extrusion piece to the extrusion degree of water channel, realize the control to the water flow of passing through water channel, can make the knife wing can be unfolded under the condition of no water pump cooperation, strengthened the adaptability and functionality of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the three -dimensional structure schematic diagram of whole device in the utility model;

[0026] Figure 2 It is the overhead three -dimensional structure section schematic diagram of water -jet cutter shell in the utility model;

[0027] Figure 3 It is the three -dimensional structure schematic diagram of tooth one, tooth two and tooth groove in the utility model;

[0028] Figure 4 It is the split three -dimensional structure schematic diagram of adjusting part in the utility model;

[0029] Figure 5 It is the three -dimensional structure schematic diagram of knife wing, tooth one and tooth two in the utility model.

[0030] LEGEND:

[0031] 1, water -jet cutter shell, 2, installation groove, 3, knife wing, 4, water -jet cutter center, 5, stabilizing assembly, 51, tooth one, 52, tooth two, 53, tooth groove, 54, inclined surface, 55, mounting hole, 56, pin shaft, 61, male joint groove, 62, female joint groove, 7, adjusting part, 71, adjusting knob, 72, screw rod, 73, fixed cylinder, 74, extrusion piece, 75, spring a, 76, spring b, 8, piston. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] Refer toFigures 1-3 The utility model provides a kind of embodiment provided by the utility model: a light mechanical water jet variable-diameter reamer, including water jet shell 1, as the main frame of entire reamer, water jet shell 1 front outer side is provided with male joint groove 61, for connecting the arc angle swivel head on market, male joint groove 61 front side radius is greater than rear side radius, can be connected with the joint of other equipment, female joint groove 62 is set in water jet shell 1 rear inner side, for connecting the conventional swivel rod on market, female joint groove 62 is set as conical shape, for connecting the male joint of external water supply or energy supply pipeline, realize the connection of equipment and external pipeline, female joint groove 62 is set as conical shape, water jet shell 1 inner side is set with screw groove near male joint groove 61, replace traditional joint by setting female joint groove 62 and male joint groove 61, to reduce the overall weight of device, water jet shell 1 middle part is slidably connected with water jet middle shaft 4, and it provides movement support for blade wing 3, the tooth slot 53 of its outer side is engaged with tooth one 51 and tooth two 52, so that blade wing 3 can be unfolded along with the movement of water jet middle shaft 4, simultaneously, water jet middle shaft 4 outer side is set with drain hole, installation groove 2 is set in water jet shell 1 middle part, and the inner wall of installation groove 2 is provided with blade wing 3, and the component directly cutting the reamed mineral material, the outer side of blade wing 3 is provided with stabilizing assembly 5.

[0034] Referring to Figure 2 , Figure 3 and Figure 5 , stabilizing assembly 5 includes tooth one 51 fixedly connected to the outer side of the arc surface of blade wing 3, which cooperates with the tooth slot 53 of water jet middle shaft 4 to unfold blade wing 3 during operation, and two groups of tooth two 52 are fixedly connected to the rear side of blade wing 3 and arranged horizontally, when blade wing 3 is unfolded by 90 degrees, the two tooth two 52 simultaneously support, and the plane on blade wing 3 also contacts the outer side of water jet middle shaft 4, compared with the traditional support structure, stress concentration is significantly reduced, and the service life of blade wing 3 is greatly increased, tooth slot 53 is set on the outer side of water jet middle shaft 4, tooth one 51 and tooth two 52 are engaged in the inner wall of tooth slot 53, and tooth slot 53 can cooperate with the two groups of tooth two 52 arranged horizontally, stabilizing assembly 5 further includes mounting hole 55, which is set through the upper part of blade wing 3, and mounting hole 55 is fixedly installed with water jet shell 1 through pin shaft 56, so that stable connection is formed between blade wing 3 and water jet shell 1.

[0035] Referring to Figure 2 , Figure 3 and Figure 5, the stable assembly 5 further comprises an inclined surface 54, which is formed on the upper and lower sides of the front part of the blade wing 3 at an angle of forty-five degrees, a groove is formed on the front side of the blade wing 3, and the inclined surface 54 is matched with the groove through a cylindrical alloy by welding. When the punching operation is performed, no matter the cutting work surface is coal or stone, the efficiency of cutting can be increased, and the cutting speed is faster. This not only can save power, but also can reduce energy consumption, improve operation efficiency, the rear side of the water jet shaft 4 is fixedly connected with a piston 8, the piston 8 drives the water jet shaft 4 to move axially, and then drives the blade wing 3 to realize the reaming action.

[0036] With reference to Figure 2 and Figure 4 , the rear inner wall of the water jet shell 1 is provided with an adjusting part 7, the adjusting part 7 comprises an adjusting knob 71 which is screwed in the inner wall of the threaded groove, three arc grooves are arranged on the outer side of the adjusting knob 71, the adjusting knob 71 is driven to move axially along the axis by a tool, so as to adjust the position of the fixed cylinder 73 in the water jet shell 1, the adjusting knob 71 is rotated by ten millimeters on the threaded groove, and the pressure is increased by one. The total length of the threaded groove is sixty millimeters, so that the device can still expand the blade wing 3 without the cooperation of the water pump, the rear side of the adjusting knob 71 is fixedly connected with a lead screw 72, which is used for connecting the fixed cylinder 73 and the adjusting knob 71, the rear side of the lead screw 72 is fixedly connected with the fixed cylinder 73, which is used for installing a spring b 76 and a pressing part 74, the inner wall of the rear side of the fixed cylinder 73 is slidably connected with the pressing part 74, the pressing part 74 abuts against the outer side of the water passage, the water passage is blocked by the pressing part 74, so as to control the water flow through the water passage, the outer side of the fixed cylinder 73 is provided with a spring a 75, one end of the spring a 75 abuts against the inner wall of the water jet shell 1, the other end of the spring a 75 abuts against the rear side of the adjusting knob 71, the pressing part 74 is elastically connected with the fixed cylinder 73 through the spring b 76, because the pressing part 74 presses the water passage of the water jet shaft 4, when the fixed cylinder 73 moves, the pressing part 74 presses the spring b 76, so as to change the pressing degree, adjust the water flow, and expand the blade wing 3.

[0037] Working principle: in use, the male joint groove 61 at the front part of the water jet shell 1 and the female joint groove 62 at the rear part are connected with external water supply or energy supply pipeline, so that the high-pressure water flow enters the inside of the equipment, the piston 8 fixedly connected to the rear side of the water jet shaft 4 is driven to move axially under the pressure of the high-pressure water flow through the hole of the adjusting part 7, and then drives the water jet shaft 4 to move.

[0038] The outer side of the water jet shaft 4 is provided with a tooth groove 53, the tooth one 51 and the tooth two 52 in the stable assembly 5 of the outer side of the blade wing 3 are engaged with the tooth groove 53, when the water jet shaft 4 moves, the blade wing 3 is expanded, the two groups of horizontally arranged tooth two 52 fixedly arranged on the rear side of the blade wing 3 are supported through two contact surfaces when the blade wing 3 is expanded by ninety degrees, the stress concentration is reduced, the stability of the blade wing 3 in the working process is ensured, and the service life is increased.

[0039] The blade wing 3 is a component directly cutting the reaming material, the groove on the front side of the blade wing 3 is matched with the inclined surface 54 on the upper and lower sides of the front part of the blade wing 3 through the welding columnar alloy, which is helpful to better break and separate the material during cutting, improves the reaming efficiency, and effectively increases the cutting efficiency, makes the cutting speed faster, saves the power and reduces the energy consumption, no matter the cutting work surface is coal or stone.

[0040] The adjusting member 7 is arranged on the rear inner wall of the water jet shell 1, the adjusting knob 71 of the adjusting member 7 is screw-connected in the inner wall of the threaded groove close to the male joint groove 61 of the water jet shell 1, the rotating adjusting knob 71 can drive the screw rod 72 to move axially, and then adjust the position of the fixing cylinder 73 in the water jet shell 1, when the fixing cylinder 73 moves, the pressing member 74 can press the spring b 76, changes the pressing degree of the water passing groove, thereby controls the water flow through the water passing groove, and can realize the unfolding of the blade wing 3, the function makes the device still can make the blade wing 3 unfold without the cooperation of the water pump, enhances the adaptability of the equipment.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A light mechanical water jet variable diameter reamer, comprising a water jet housing (1), characterized in that: The male joint groove (61) is arranged on the front outer side of the water jet cutter shell (1), the female joint groove (62) is arranged on the rear inner side of the water jet cutter shell (1), the water jet cutter middle shaft (4) is slidably connected through the middle part of the water jet cutter shell (1), the installation groove (2) is arranged in the middle part of the water jet cutter shell (1), the cutter wing (3) is arranged on the inner wall of the installation groove (2), and the stabilizing assembly (5) is arranged on the outer side of the cutter wing (3). The stabilizing assembly (5) comprises the tooth one (51) fixedly connected to the outer side of the arc-shaped surface of the cutter wing (3), the two groups of tooth two (52) fixedly connected to the rear side of the cutter wing (3) and arranged horizontally, and the tooth groove (53) arranged on the outer side of the water jet cutter middle shaft (4), wherein the tooth one (51) and the tooth two (52) are engaged in the inner wall of the tooth groove (53).

2. The light weight mechanical water torch under reamer according to claim 1, wherein: The stabilizing assembly (5) further comprises the installation hole (55) arranged through the upper part of the cutter wing (3), and the installation hole (55) is fixedly installed with the water jet cutter shell (1) through the pin shaft (56).

3. The light weight mechanical water torch under reamer as claimed in claim 1 wherein: The stabilizing assembly (5) further comprises the inclined surface (54) arranged on the upper and lower sides of the front part of the cutter wing (3) at an angle of forty-five degrees.

4. The light weight mechanical water torch under reamer according to claim 1, wherein: The front side of the cutter wing (3) is provided with a groove.

5. The light weight mechanical water torch under reamer as claimed in claim 1 wherein: The piston (8) is fixedly connected to the rear side of the water jet cutter middle shaft (4), and the water passage groove is arranged at the shaft center of the water jet cutter middle shaft (4) and the piston (8).

6. The light weight mechanical water torch under reamer according to claim 1, wherein: The female joint groove (62) is arranged in a tapered shape, and the inner side of the water jet cutter shell (1) near the male joint groove (61) is provided with a threaded groove.

7. The light weight mechanical water torch under reamer according to claim 1, wherein: The adjusting part (7) is arranged on the rear inner wall of the water jet cutter shell (1).

8. The light weight mechanical water torch under reamer according to claim 7, wherein: The adjusting part (7) comprises the adjusting knob (71) threadedly connected to the inner wall of the threaded groove, the screw rod (72) fixedly connected to the rear side of the adjusting knob (71), the fixed cylinder (73) fixedly connected to the rear side of the screw rod (72), the extrusion part (74) slidably connected to the rear inner wall of the fixed cylinder (73), the extrusion part (74) abutting the outer side of the water passage groove, the spring a (75) arranged on the outer side of the fixed cylinder (73), one end of the spring a (75) abutting the inner wall of the water jet cutter shell (1), the other end of the spring a (75) abutting the rear side of the adjusting knob (71), and the extrusion part (74) elastically connected to the fixed cylinder (73) through the spring b (76).

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