Cutting pick cleaning device of coal mining machine

Abstract

The utility model relates to a cutting pick cleaning device of a coal mining machine. The cutting pick cleaning device effectively solves the problems that cleaning is not thorough and cannot be achieved. According to the technical scheme, the device comprises a supporting platform, a through hole is formed in the middle of the upper end of the supporting platform, a clamping tool with the axis vertically arranged is arranged in the through hole and can rotate around the axis, and the upper end of the clamping tool is arranged on the upper side of the supporting platform; a U-shaped rod with a downward opening is fixed to the upper end face of the supporting platform, a plurality of round rods pointing to the inner side are installed on the inner side of the U-shaped rod and evenly distributed in the center line direction of the U-shaped rod, supporting blocks are fixed to the inner ends of the round rods, and brushes pointing to the inner side are fixed to the inner sides of the supporting blocks. Through rotation of the clamping tool, the brush on the supporting block reciprocates in the direction of the center line of the U-shaped rod and can rotate around the axis of the round rod at the same time, axial and radial grooves or protrusions on the outer edge of the cutting pick of the coal mining machine can be cleaned, and bent grooves or protrusions on the cutting pick can also be cleaned.

Description

Technical Field

[0001] The utility model relates to the field of coal mining machine picks, in particular to a coal mining machine pick cleaning device. Background Art

[0002] The existing method for cleaning the pick of a coal mining machine is disclosed in the patent publication number CN220611454U and is entitled as a solution of an automatic cleaning device for the production of picks of a coal mining machine. First, the control valve 551 is opened, and clean water flows out from the flushing pipe 554 and falls into the cleaning water guide groove 553. Under the action of the tension spring and the clean water impacting the cleaning water guide groove 553, the cleaning brush 552 swings back and forth, and the pick 4 of the coal mining machine is cleaned by the cleaning brush 552. After that, the control valve 551 is closed, and the clean water flushes the pick 4 of the coal mining machine through the cleaning pipe 56. The cleaning of the pick of the coal mining machine can be realized, but the following problems still exist:

[0003] 1. Since clean water falls into the cleaning water guide groove 553, the cleaning water guide groove 553 causes the cleaning brush 552 to move downward and is pulled upward by the tension spring to achieve reciprocating movement. However, the cleaning water guide groove 553 is pressed downward by the clean water to achieve downward brushing and is pulled by the tension spring, so that the downward pressing power is limited, and it is difficult to remove harder debris in the groove or protrusion of the pick.

[0004] 2. Although the picks of the coal mining machine rotate and the brush swings up and down during cleaning, it is difficult to clean some special picks of the coal mining machine, such as those with curved grooves or raised shapes on the picks. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a coal mining machine pick cleaning device, which effectively solves the problem of incomplete cleaning and inaccessible cleaning.

[0006] The technical solution is a coal mining machine pick cleaning device, comprising a support platform, a through hole is opened in the middle of the upper end of the support platform, a clamping tool is placed up and down with an axis in the through hole, the clamping tool can rotate around the axis, and the upper end of the clamping tool is placed on the upper side of the support platform;

[0007] A U-shaped rod with an opening facing downward is fixed on the upper end surface of the support platform, and a plurality of round rods pointing inward are installed on the inner side of the U-shaped rod, and the round rods are evenly distributed along the center line direction of the U-shaped rod. A support block is fixed on the inner end of the round rod, and a brush pointing inward is fixed on the inner side of the support block; the round rod can reciprocate along the center line direction of the U-shaped rod and can rotate around the axis at the same time;

[0008] The clamping fixture is located in the middle of the two ends of the U-shaped rod, and the rotation of the clamping fixture can drive the round rod to move back and forth and rotate around the axis.

[0009] A shell is fixed on the lower side of the support platform, a motor is fixed in the shell, the axis of the motor shaft is coaxial with the axis of the clamping fixture, the upper end of the motor shaft passes through the shell and the support platform and is fixedly installed with the clamping fixture, and the shaft and the shell are rotatably sealed via a sealing layer;

[0010] A horizontally placed turntable is fixed on the rotating shaft of the motor, the turntable is located on the upper side of the support platform and is coaxial with the rotating shaft, a circular ring is fixed on the outer edge of the upper end surface of the turntable, the circle is unfolded around the axis and its upper end is wavy, and the number of the highest points of the wave is an odd number greater than or equal to three;

[0011] The U-shaped rod is a hollow rod, and a clearance groove is provided inside the U-shaped rod and penetrates to the inside of the hollow rod. The clearance groove is arranged along the center line direction of the U-shaped rod. There are a plurality of spherical blocks in the hollow rod that move along the center line direction of the U-shaped rod. Two adjacent spherical blocks are connected by a pull rope. The outer end of each round rod is inserted into a corresponding spherical block through the clearance groove and is rotatably connected with the spherical block.

[0012] The rear end surface of the clearance groove is provided with a tooth groove along the center line direction of the U-shaped rod. A gear is fixed in the middle of each round rod. The gear is placed in the tooth groove. The gear causes the round rod to rotate around the axis through the tooth groove.

[0013] A traction rope is fixed to each of the two balls near the two ends of the U-shaped rod, a slider is fixed to one end of the traction rope near the end of the U-shaped rod, a straight rod is fixed to the inner side of the slider, the inner end of the straight rod passes through the clearance groove and is placed on the upper side of the ring, and the upper end of the ring drives the slider to move up and down through the straight rod;

[0014] A tension spring is fixed on the lower end surface of the sliding block, and the lower end of the tension spring is fixed on the supporting platform.

[0015] A water pipe bent along the center line of the U-shaped rod is fixed on each of the front and rear sides of the U-shaped rod. A plurality of water spraying ports evenly distributed along the center line of the U-shaped rod are opened inside the water pipe, and the water spraying ports point to the brush.

[0016] The U-shaped rod is composed of vertical straight rods on the left and right sides and a half ellipsoidal curved rod on the upper side.

[0017] The supporting platform is composed of a flat plate and supporting feet.

[0018] The utility model can clean the axial and radial grooves or protrusions on the outer edge of the pick of the coal mining machine and the curved grooves or protrusions on the pick by rotating the clamping tool and cooperating with the brush on the supporting block to reciprocate along the center line direction of the U-shaped rod and rotate around the axis of the round rod at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the front view of the utility model.

[0020] Figure 2 It is a front sectional view of the utility model.

[0021] Figure 3 This is a usage state diagram of the utility model.

[0022] Figure 4 It is a three-dimensional diagram of the circular ring of the present utility model.

[0023] Figure 5 It is a three-dimensional diagram of the support block and the brush of the utility model. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] Depend on Figures 1 to 5 The utility model includes a support platform 1, a through hole is opened in the middle of the upper end of the support platform 1, a clamping tool 2 is placed up and down with an axis in the through hole, the clamping tool 2 can rotate around the axis, and the upper end of the clamping tool 2 is placed on the upper side of the support platform 1;

[0026] A U-shaped rod 3 with an opening facing downward is fixed on the upper end surface of the support platform 1, and a plurality of round rods 4 pointing inward are installed inside the U-shaped rod 3, and the round rods 4 are evenly distributed along the center line direction of the U-shaped rod 3. A support block 5 is fixed to the inner end of the round rod 4, and a brush 6 pointing inward is fixed inside the support block 5; the round rod 4 can reciprocate along the center line direction of the U-shaped rod 3 and can rotate around the axis at the same time;

[0027] The clamping fixture 2 is located in the middle of the two ends of the U-shaped rod 3. The rotation of the clamping fixture 2 can drive the round rod 4 to move back and forth and rotate around the axis.

[0028] A housing 7 is fixed to the lower side of the support platform 1, and a motor 8 is fixed inside the housing 7. The axis of the motor 8 is coaxial with the axis of the clamping fixture 2. The upper end of the motor 8 passes through the housing 7 and the support platform 1 and is fixedly installed with the clamping fixture 2. The shaft and the housing 7 are rotationally sealed via a sealing layer.

[0029] A horizontally placed turntable 9 is fixed on the rotating shaft of the motor 8. The turntable 9 is coaxial with the rotating shaft and the turntable 9 is located on the upper side of the supporting platform 1. A circular ring 10 is fixed on the outer edge of the upper end surface of the turntable 9. The circular ring 10 is unfolded around the axis and its upper end is wavy. The number of the highest points of the wavy shape is an odd number greater than or equal to three.

[0030] The U-shaped rod 3 is a hollow rod, and a clearance groove 11 is provided inside the U-shaped rod 3 and penetrates to the inside of the hollow rod. The clearance groove 11 is arranged along the center line direction of the U-shaped rod 3. There are multiple spherical blocks 12 in the hollow rod that move along the center line direction of the U-shaped rod 3. Two adjacent spherical blocks 12 are connected by a pull rope 13. The outer end of each round rod 4 is inserted into a corresponding spherical block 12 through the clearance groove 11 and is rotatably connected with the spherical block 12.

[0031] The rear end surface of the clearance groove 11 is provided with a tooth groove along the center line direction of the U-shaped rod 3, and a gear 14 is fixed in the middle of each round rod 4. The gear 14 is placed in the tooth groove, and the gear 14 causes the round rod 4 to rotate around the axis through the tooth groove;

[0032] A traction rope 15 is fixed to each of the two balls near the two ends of the U-shaped rod 3, and a slider 16 is fixed to one end of the traction rope 15 near the end of the U-shaped rod 3. A straight rod 17 is fixed to the inner side of the slider 16. The inner end of the straight rod 17 passes through the clearance groove 11 and is placed on the upper side of the ring 10. The upper end of the ring 10 drives the slider 16 to move up and down through the straight rod 17;

[0033] A tension spring is fixed to the lower end surface of the slider 16 , and the lower end of the tension spring is fixed on the supporting platform 1 .

[0034] A water pipe 18 bent along the center line of the U-shaped rod 3 is fixed on each of the front and rear sides of the U-shaped rod 3. A plurality of water spray outlets evenly distributed along the center line of the U-shaped rod 3 are opened inside the water pipe 18, and the water spray outlets point to the brush 6.

[0035] The U-shaped rod 3 is composed of vertical straight rods 17 on the left and right sides and a half ellipsoidal curved rod on the upper side.

[0036] The supporting platform 1 is composed of a flat plate and supporting feet.

[0037] When the utility model is used, the pick of the coal mining machine is fixedly mounted on the clamping tool 2, with the cleaning end of the pick facing upward and the outer edge of the pick in contact with the brush 6; then the motor 8 is started and the water pipe 18 is made to spray water;

[0038] When the motor 8 is started, the motor 8 drives the pick to rotate through the clamping fixture 2, so that the brush 6 can clean the entire outer edge of the pick;

[0039] When the clamping tool 2 rotates the rod, the motor 8 drives the ring 10 to rotate through the turntable 9, and the ring 10 drives the straight rods 17 on both sides to move one upward and the other downward through the wave shape on the upper side, and the straight rods 17 are always kept from separating from the upper end of the ring 10 under the action of the tension spring;

[0040] When the straight rod 17 moves up and down, the straight rod 17 drives the ball block 12 to move along the center line direction of the U-shaped rod 3 through the traction rope 15, and the ball drives the round rod 4 to move back and forth along the center line direction of the U-shaped rod 3. The round rod 4 rotates under the action of the gear 14 and the tooth groove. The round rod 4 makes the brush 6 on the support block 5 move back and forth along the center line direction of the U-shaped rod 3 and can rotate around the axis of the round rod 4 at the same time, so that the groove of the axial direction of the pick can be cleaned, and the rotation can clean the groove or protrusion on the pick with a curved shape;

[0041] When the cleaning is completed, the motor 8 is turned off and the water spraying is stopped, and the pick is removed, which is easy to operate.

[0042] 1. The utility model can clean the axial and radial grooves or protrusions on the outer edge of the pick of the coal mining machine, and can also clean the curved grooves or protrusions on the pick by rotating the clamping tool 2 and cooperating with the brush 6 on the support block 5 to move back and forth along the center line direction of the U-shaped rod 3 and rotate around the axis of the round rod 4 at the same time; and the rotation and movement of the brush 6 are actively driven, with greater cleaning force, which can solve the problem that it is difficult to remove hard debris in the grooves or protrusions by simple flushing.

[0043] 2. The utility model can clean the pick in multiple directions only by starting the motor 8 and spraying water through the water pipe 18, and the operation is simple and convenient.

Claims

1. A coal mining machine pick cleaning device, characterized in that: It comprises a support platform (1), a through hole is formed in the middle of the upper end of the support platform (1), a clamping tool (2) is arranged in the through hole with an axis arranged up and down, the clamping tool (2) can rotate around the axis, and the upper end of the clamping tool (2) is placed on the upper side of the support platform (1); A U-shaped rod (3) with an opening facing downward is fixed on the upper end surface of the support platform (1); a plurality of round rods (4) pointing inwards are arranged on the inner side of the U-shaped rod (3); the round rods (4) are evenly distributed along the center line direction of the U-shaped rod (3); a support block (5) is fixed on the inner end of the round rod (4); a brush (6) pointing inwards is fixed on the inner side of the support block (5); the round rod (4) can reciprocate along the center line direction of the U-shaped rod (3) and can rotate around the axis at the same time; The clamping tool (2) is located in the middle of the two ends of the U-shaped rod (3), and the rotation of the clamping tool (2) can drive the round rod (4) to move back and forth and rotate around the axis.

2. A coal mining machine pick cleaning device according to claim 1, characterized in that: A housing (7) is fixed on the lower side of the support platform (1), a motor (8) is fixed inside the housing (7), the axis of the rotating shaft of the motor (8) is coaxial with the axis of the clamping fixture (2), the upper end of the rotating shaft of the motor (8) passes through the housing (7) and the support platform (1) and is fixedly installed with the clamping fixture (2), and the rotating shaft and the housing (7) are rotatably sealed via a sealing layer; A horizontally placed turntable (9) is fixed on the rotating shaft of the motor (8), the turntable (9) is located on the upper side of the support platform (1), and is coaxial with the rotating shaft. A circular ring (10) is fixed on the outer edge of the upper end surface of the turntable (9), and the upper end of the circular ring (10) is wavy when unfolded around the axis, and the number of the highest points of the wavy shape is an odd number greater than or equal to three; The U-shaped rod (3) is a hollow rod, and a clearance groove (11) is provided on the inner side of the U-shaped rod (3) and extends through the inner side of the hollow rod. The clearance groove (11) is arranged along the center line direction of the U-shaped rod (3). A plurality of spherical blocks (12) are arranged in the hollow rod and move along the center line direction of the U-shaped rod (3). Two adjacent spherical blocks (12) are connected by a pull rope (13). The outer end of each round rod (4) is inserted into a corresponding spherical block (12) through the clearance groove (11) and is rotatably connected to the spherical block (12). The rear end surface of the clearance groove (11) is provided with a tooth groove along the center line direction of the U-shaped rod (3), and a gear (14) is fixed in the middle of each round rod (4). The gear (14) is placed in the tooth groove, and the gear (14) causes the round rod (4) to rotate around the axis through the tooth groove; A traction rope (15) is fixed to each of the two balls near the two ends of the U-shaped rod (3); a slider (16) is fixed to one end of the traction rope (15) near the end of the U-shaped rod (3); a straight rod (17) is fixed to the inner side of the slider (16); the inner end of the straight rod (17) passes through the clearance groove (11) and is placed on the upper side of the ring (10); the upper end of the ring (10) drives the slider (16) to move up and down through the straight rod (17); A tension spring is fixed to the lower end surface of the slider (16), and the lower end of the tension spring is fixed to the supporting platform (1).

3. A coal mining machine pick cleaning device according to claim 1, characterized in that: A water pipe (18) bent along the center line of the U-shaped rod (3) is fixed to each of the front and rear sides of the U-shaped rod (3), and a plurality of water spray outlets evenly distributed along the center line of the U-shaped rod (3) are opened inside the water pipe (18), and the water spray outlets point toward the brush (6).

4. A coal mining machine pick cleaning device according to claim 1, characterized in that: The U-shaped rod (3) is composed of vertical straight rods (17) on the left and right sides and a half-ellipsoidal curved rod on the upper side.

5. A coal mining machine pick cleaning device according to claim 1, characterized in that: The supporting platform (1) is composed of a flat plate and supporting feet.

Images