CN219622688U - Mining adjustable cutting pick - Google Patents

Abstract

The utility model relates to the technical field of mining cutting picks, in particular to a mining adjustable cutting pick. The technical proposal comprises: the cutting pick comprises an operation disc, an adjusting cylinder and a cutting pick bottom rod, wherein a first groove is formed in the top of the operation disc, the adjusting cylinder is slidably mounted in the first groove, a slot is formed in the top of the adjusting cylinder, the cutting pick bottom rod is slidably mounted in the slot, a cutting pick drill bit is fixedly mounted at the top of the cutting pick bottom rod, a first cavity is formed in the top of the operation disc, and a screw rod is rotatably mounted in the first cavity. According to the utility model, the first cavity, the screw rod, the first lantern ring and the first connecting rod are arranged, when a worker installs the adjusting cylinder in the first groove, the screw rod is rotated, and the first lantern ring is in threaded connection with the screw rod, so that the first lantern ring moves upwards on the outer side of the screw rod, and then the angle of the pick bit is adjusted by rotating the adjusting cylinder, so that the operation of the worker is facilitated.

Description

Mining adjustable cutting pick

Technical Field

The utility model relates to the technical field of mining cutting picks, in particular to a mining adjustable cutting pick.

Background

The mining cutting pick is one of vulnerable parts in coal mining and tunnel tunneling machinery, is a main tool for falling coal and crushing coal, has good performance and directly influences the production capacity of the coal mining machinery, the power consumption, the working stability and the service life of other related parts, wherein the mining cutting pick protecting device disclosed by the application number of CN211623420U is used for solving the defects of complex operation and low stability, and the mining cutting pick is further searched and found that the novel mining cutting pick processing locating device disclosed by the application number of CN217071067U is provided by a specific technical structure, so that the technical defects that the existing processing locating device is a fixed structure and only can adapt to the processing location of cutting picks of one specification in actual use are really solved, but the mining adjustable cutting pick of a similar structure has a plurality of defects in actual use, such as: the angle of the cutting pick after installation greatly affects the working efficiency, and the angle of the existing cutting pick is inconvenient to adjust, so that the mining adjustable cutting pick needs to be designed.

Disclosure of Invention

The utility model aims to provide an adjustable cutting pick for mines, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mining adjustable pick, includes operation disc, adjusts drum and pick sill bar, first recess has been seted up at the top of operation disc, the inside slidable mounting of first recess has adjusted the drum, the slot has been seted up at the top of adjusting the drum, the inside slidable mounting of slot has the pick sill bar, the top fixed mounting of pick sill bar has the pick drill bit, first cavity has been seted up at the top of operation disc, the inside rotation of first cavity installs the lead screw, the outside of lead screw cup joints and installs first lantern ring, one side fixed mounting of first lantern ring has the head rod that is fixed in the adjustment drum.

The staff installs the inside at first recess with adjusting the drum, installs the pick sill bar in the inside of slot again, and when the staff will adjust the drum and install in first recess inside, rotatory lead screw is because first lantern ring is threaded connection with the lead screw to make first lantern ring upwards remove in the outside of lead screw, rotate the angle of adjusting the drum and adjusting the pick drill bit afterwards, make the pick drill bit can install on the operation disc with most suitable angle and carry out mining cutting operation.

Preferably, a second cavity is formed in the top of the operation disc, a fixing rod is fixedly installed in the second cavity, a second lantern ring is installed on the outer side of the fixing rod in a sleeved mode, and a second connecting rod fixed to the adjusting cylinder is fixedly installed on one side of the second lantern ring. When the adjusting cylinder moves in the first groove, the second lantern ring moves outside the fixed rod, so that the adjusting cylinder moves more stably.

Preferably, a first limiting groove is formed in the bottom of the adjusting cylinder, and a first limiting block fixed in the first groove is slidably mounted in the first limiting groove. After the angle of the cutting pick bit is adjusted, the adjusting cylinder is moved to the bottom of the first groove again, the first limiting block slides into the first limiting groove, and the adjusting cylinder is fixed at a proper angle for cutting operation.

Preferably, the second groove is formed in the cutting pick bottom rod, the second limiting grooves are formed in two sides of the adjusting cylinder, the springs are fixedly mounted in the second groove, and one end of each spring is fixedly connected with a second limiting block and extends to the inside of each second limiting groove. When the cutting pick bottom rod is arranged in the slot, the second limiting block slides into the second limiting groove due to the elastic force of the spring, and the cutting pick bottom rod is fixedly arranged in the slot.

Preferably, the bottom of the cutting pick bit is provided with an arc surface, and the top of the adjusting cylinder is fixedly provided with a sealing ring. The sealing ring is contacted with the cambered surface, so that the slot forms a sealing state, and the cutting pick bit works more stably.

Preferably, a knob is fixedly arranged at the top of the screw rod, and anti-skidding lines are uniformly distributed on the surface of the knob. The staff holds the anti-skid lines on the surface of the knob, so that the screw rod can be rotated more conveniently.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with operation disc, adjusting drum, slot, pick sill bar and pick drill bit, the staff will adjust the drum and install the inside at first recess, install the inside at the slot with the pick sill bar again to make the pick drill bit can install and carry out mining cutting operation on the operation disc, conveniently change different pick drill bits.

2. Through being provided with first cavity, lead screw, first lantern ring and head rod, when the staff will adjust the drum and install in first recess inside, rotatory lead screw is because first lantern ring is threaded connection with the lead screw to make first lantern ring upwards remove in the outside of lead screw, rotate the angle of adjusting the drum regulation pick drill bit afterwards, make things convenient for the staff to operate.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic view of a partial front cross-sectional structure of a working disk of the present utility model;

FIG. 3 is a schematic perspective view of an adjusting cylinder according to the present utility model;

fig. 4 is a schematic view of a partial front cross-sectional structure of a pick bottom shank of the present utility model.

In the figure: 1. a working disc; 101. a first groove; 102. a first cavity; 103. a second cavity; 104. a screw rod; 105. a first collar; 106. a first connecting rod; 107. a fixed rod; 108. a second collar; 109. a second connecting rod; 2. an adjustment cylinder; 201. a slot; 202. a seal ring; 203. a first limit groove; 204. a first limiting block; 3. a pick bottom bar; 301. cutting pick bit; 302. a cambered surface; 303. a second groove; 304. a spring; 305. a second limiting block; 306. the second limit groove; 4. a knob; 401. anti-skid lines.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the mining adjustable cutting pick provided by the utility model comprises a working disc 1, an adjusting cylinder 2 and a cutting pick bottom rod 3, wherein a first groove 101 is formed in the top of the working disc 1, the adjusting cylinder 2 is slidably installed in the first groove 101, a slot 201 is formed in the top of the adjusting cylinder 2, the cutting pick bottom rod 3 is slidably installed in the slot 201, a cutting pick drill 301 is fixedly installed in the top of the cutting pick bottom rod 3, a first cavity 102 is formed in the top of the working disc 1, a screw rod 104 is rotatably installed in the first cavity 102, a first lantern ring 105 is sleeved on the outer side of the screw rod 104, a first connecting rod 106 fixed to the adjusting cylinder 2 is fixedly installed on one side of the first lantern ring 105, a second cavity 103 is formed in the top of the working disc 1, a fixed rod 107 is fixedly installed in the second cavity 103, a second connecting rod 109 fixed to the adjusting cylinder 2 is fixedly installed on one side of the second lantern ring 108 in a sleeved mode on the outer side of the fixed rod 107, a first limiting groove 203 is formed in the bottom of the adjusting cylinder 2, and a first limiting block 204 is fixedly installed in the first groove 101.

The working principle based on the adjustable cutting pick for mines based on the embodiment 1 is as follows: the staff installs the adjusting cylinder 2 in the inside of first recess 101, install pick sill bar 3 in the inside of slot 201 again, when the staff installs adjusting cylinder 2 in the inside of first recess 101, rotatory lead screw 104, because first lantern ring 105 is threaded connection with lead screw 104, thereby make first lantern ring 105 upwards move in the outside of lead screw 104, when adjusting cylinder 2 moves in the inside of first recess 101, the second lantern ring 108 moves in the outside of dead lever 107, make adjusting cylinder 2 remove more stably, then rotate adjusting cylinder 2 and adjust the angle of pick bit 301, after the angle of pick bit 301 has adjusted, make adjusting cylinder 2 to the bottom of first recess 101 again, make first stopper 204 slide in the inside of first spacing groove 203, make pick bit 301 can install on operating disc 1 with the most suitable angle and carry out mining cutting operation.

Example two

As shown in fig. 1, 2 and 4, the present utility model provides an adjustable cutting pick for mining, and compared with the first embodiment, the present embodiment further includes: the second recess 303 has been seted up to the inside of pick sill bar 3, second spacing groove 306 has been seted up to the both sides of adjusting drum 2, the inside fixed mounting of second recess 303 has spring 304, the inside that the one end fixedly connected with second stopper 305 of spring 304 extends to second spacing groove 306, cambered surface 302 has been seted up to the bottom of pick drill bit 301, the top fixed mounting of adjusting drum 2 has sealing washer 202, the top fixed mounting of lead screw 104 has knob 4, the surface evenly distributed of knob 4 has anti-skidding line 401.

In this embodiment, as shown in fig. 1, the sealing ring 202 contacts with the arc surface 302, so that the slot 201 forms a sealing state, so that the pick bit 301 works more stably, as shown in fig. 2, a worker holds the anti-skid threads 401 on the surface of the knob 4, so that the screw rod 104 is more convenient to rotate, and as shown in fig. 4, when the pick bottom rod 3 is mounted in the slot 201, due to the elastic force of the spring 304, the second limiting block 305 slides into the second limiting groove 306, and the pick bottom rod 3 is fixedly mounted in the slot 201.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (6)

1. The utility model provides an adjustable pick for mining, includes operation disc (1), adjusts drum (2) and pick sill bar (3), its characterized in that: the utility model discloses a cutting tool, including work disc (1), slot (201) have been seted up at the top of work disc (1), the inside slidable mounting of first recess (101) has regulation drum (2), slot (201) have been seted up at the top of regulation drum (2), the inside slidable mounting of slot (201) has pick sill bar (3), the top fixed mounting of pick sill bar (3) has pick drill bit (301), first cavity (102) have been seted up at the top of work disc (1), lead screw (104) are installed in the internal rotation of first cavity (102), first lantern ring (105) are cup jointed in the outside of lead screw (104), one side fixed mounting of first lantern ring (105) has head rod (106) that are fixed in regulation drum (2).

2. An adjustable pick for mining according to claim 1, wherein: the top of operation disc (1) has seted up second cavity (103), and the inside fixed mounting of second cavity (103) has dead lever (107), and second lantern ring (108) are cup jointed and are installed in the outside of dead lever (107), and one side fixed mounting of second lantern ring (108) has second connecting rod (109) that are fixed in adjusting drum (2).

3. An adjustable pick for mining according to claim 1, wherein: the bottom of the adjusting cylinder (2) is provided with a first limit groove (203), and a first limit block (204) fixed in the first groove (101) is slidably arranged in the first limit groove (203).

4. An adjustable pick for mining according to claim 1, wherein: the cutting pick bottom rod (3) is internally provided with a second groove (303), two sides of the adjusting cylinder (2) are provided with second limit grooves (306), a spring (304) is fixedly arranged in the second groove (303), and one end of the spring (304) is fixedly connected with a second limit block (305) to extend to the inside of the second limit grooves (306).

5. An adjustable pick for mining according to claim 1, wherein: an arc surface (302) is formed at the bottom of the cutting pick bit (301), and a sealing ring (202) is fixedly arranged at the top of the adjusting cylinder (2).

6. An adjustable pick for mining according to claim 1, wherein: the top of the screw rod (104) is fixedly provided with a knob (4), and anti-skidding patterns (401) are uniformly distributed on the surface of the knob (4).