CN219492286U

CN219492286U - Wear-resistant rotary cutting pick

Info

Publication number: CN219492286U
Application number: CN202223479892.7U
Authority: CN
Inventors: 张禄胜; 马晓霞
Original assignee: Shandong Terui Technology Development Co ltd
Current assignee: Longde Shenmu County Mining Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-08-08
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of cutting picks, in particular to a wear-resistant rotary cutting pick. The utility model comprises a driving rod, wherein a driving tooth is fixedly connected to the top of one end of the driving rod, an adjusting device is arranged on the arc surface of the driving rod, the adjusting device comprises a plurality of fixing columns, the fixing columns are fixedly connected with the arc surface of one end of the driving rod, a positioning groove is formed in the surface of each fixing column, a positioning column is connected with the inner wall of each positioning groove in a threaded manner, an auxiliary tooth is fixedly connected to one end of each positioning column, three sliding grooves are uniformly formed in the arc surface of each auxiliary tooth, the three sliding grooves are uniformly distributed on the surface of each auxiliary tooth, the section of each auxiliary tooth is conical, and each auxiliary tooth is a hard alloy tooth. The problems that the cutting pick needs to be in direct contact with the ground, the friction force is extremely large, the areas of the cutting pick are worn differently when different grounds work, and the damaged cutting pick becomes blunt under the condition of long-term work are solved.

Description

Wear-resistant rotary cutting pick

Technical Field

The utility model relates to the technical field of cutting picks, in particular to a wear-resistant rotary cutting pick.

Background

Rotary cutting picks are rotary tools used for mining or excavation in hard floors, and the action of the cutting picks to bite into the floor as they rotate with the drum, thereby striking the earth and removing or breaking up the earth from the surface is common in construction engineering.

Prior art, such as the utility model of publication No. CN213116302U, discloses a wear-resistant rotary cutting pick, which includes a pick head, a holder and a shank, the holder is a cone gradually widening from the pick head to the shank, the pick head is installed in a welding hole at the top of the holder, the lower end of the holder is connected with the shank, and one end of the shank far away from the holder is provided with a mounting seat, characterized in that: the tooth holder is provided with at least four arc wear-resisting surfaces, the arc wear-resisting surfaces and the like are all distributed on the peripheral surface of the tooth holder in a surrounding mode, one end of each arc wear-resisting surface corresponding to the pick head extends to the tooth holder to form a crown star surface with the tooth holder, and the arc wear-resisting surfaces extend to two sides gradually from the crown star surface to two ends of the tooth handle direction and are connected with the tail end of the tooth holder.

The inventor finds in daily life uses, because the pick needs direct contact with ground, the frictional force that receives is very big, and when different ground works, each area of pick wears out differently, under the condition of long-term work, the pick after damaging can appear becoming dull problem, this application provides a technical scheme who solves this technical problem.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, the cutting pick needs to be in direct contact with the ground, the friction force is extremely large, the areas of the cutting pick are worn differently when working on different grounds, and the damaged cutting pick becomes dull when working for a long time.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pick is dug soon in wear-resisting, includes the actuating lever, the one end top fixedly connected with actuating tooth of actuating lever, the arc surface of actuating lever is equipped with adjusting device, adjusting device includes a plurality of fixed columns, a plurality of the fixed column all with the one end arc surface fixed connection of actuating lever, the constant head tank has been seted up on the surface of fixed column, the inner wall threaded connection of constant head tank has the reference column, the one end fixedly connected with auxiliary tooth of reference column.

The effects achieved by the components are as follows: when the pick is used for rotary digging for a long time, serious abrasion is caused on the whole driving rod, the driving rod is operated and used for convenience, the fixed columns are fixedly connected with the surface of the driving rod, the inner walls of the fixed columns are connected with auxiliary teeth through the set locating grooves in a threaded manner, and rotary digging operation is performed by the aid of the auxiliary teeth.

Preferably, the arc surface of the auxiliary tooth is uniformly provided with three sliding grooves, and the three sliding grooves are uniformly distributed on the surface of the auxiliary tooth.

The effects achieved by the components are as follows: through offer the spout on the surface of auxiliary tooth, can let whole auxiliary tooth dig more convenient of boring, the landing of the stone of being convenient for.

Preferably, the cross section of the auxiliary teeth is conical, and the auxiliary teeth are hard alloy teeth.

The effects achieved by the components are as follows: in order to make the intensity of whole pick bigger, utilize carbide material to make auxiliary tooth this moment, the use of auxiliary tooth high strength of being convenient for.

Preferably, an auxiliary pad is fixedly connected to one side, close to the auxiliary teeth, of the fixing column, and the auxiliary pad is a rubber pad.

The effects achieved by the components are as follows: when utilizing the fixed column to advance threaded connection with the reference column and fix, in order to avoid rust card to die, utilize the auxiliary pad to protect this moment.

Preferably, one end of the driving rod, which is close to the driving teeth, is provided with an auxiliary device, the auxiliary device comprises a protection frame, the bottom end of the inner wall of the protection frame is in butt joint with the surfaces of the driving teeth, two ends of the arc surface of the protection frame are all in sliding penetration with a moving rod, the driving rod is provided with a positioning hole corresponding to the position of the moving rod, the inner wall of the positioning hole is in plug-in connection with the arc surface of the moving rod, the arc surface of the moving rod is sleeved with a spring, and two ends of the spring are fixedly connected with the moving rod and the protection frame respectively.

The effects achieved by the components are as follows: when not using whole dig pick soon to operate, in order to conveniently protect whole pick, utilize the protection frame to protect at this moment, and the carriage is gone up the carriage and is slided the carriage and run through the carriage and peg graft spacing with the locating hole on the actuating lever, and the spring that the cover was gone up to the rethread carriage lets the produced pulling force of spring carry out spacing fixed to the position of carriage.

Preferably, one end of the movable rod is fixedly connected with a pull ring, and the pull ring is a silica gel ring.

The effects achieved by the components are as follows: in order to facilitate the operation of the movable rod, the pull ring fixedly connected with the movable rod is utilized at the moment to facilitate the use.

Preferably, the inner wall bottom fixedly connected with protection pad of protection frame, the size of protection pad and the size looks adaptation of driving tooth.

The effects achieved by the components are as follows: in order to protect the driving teeth on the driving rod, a protection pad fixedly connected with the inner wall of the protection frame is used for protection.

In the utility model, when the cutting tooth is used for rotary digging for a long time, serious abrasion is caused on the whole driving rod, in order to facilitate the operation and use of the driving rod, the surface of the driving rod is fixedly connected with a plurality of fixing columns, the inner wall of each fixing column is in threaded connection with auxiliary teeth through the opened locating grooves, the plurality of auxiliary teeth are used for rotary digging operation, through the sliding grooves formed in the surface of each auxiliary tooth, the whole auxiliary tooth can be more convenient to dig and drill, the sliding of a stone block is facilitated, in order to make the whole cutting tooth stronger, the auxiliary tooth is made of hard alloy materials, the use of the high strength of the auxiliary tooth is facilitated, when the fixing columns are in threaded connection with the locating columns, the auxiliary cushion is used for protection at the moment, and the mutual fixing limit between the auxiliary tooth and the fixing columns is achieved through the operation of the adjusting device, so that the whole cutting tooth is more convenient to perform rotary digging operation.

According to the utility model, when the whole cutting pick is not used for operation, the whole cutting pick is protected conveniently, the protection frame is used for protection, the moving rod which is penetrated through in a sliding way on the protection frame is spliced and limited with the positioning hole on the driving rod, the spring sleeved on the moving rod is used for limiting and fixing the position of the moving rod by the tension force generated by the spring, the moving rod is conveniently operated, the pull ring fixedly connected with the moving rod is used for convenient use, the driving teeth on the driving rod are protected, the protection pad fixedly connected with the inner wall of the protection frame is used for protection at the moment, and the mutual clamping and fixing between the moving rod and the positioning hole on the protection frame are realized through the operation of the auxiliary device, so that the protection frame is convenient for protecting the whole cutting pick bit.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a perspective view of the present utility model;

FIG. 3 is a partially disassembled schematic view of the adjusting device of the present utility model;

fig. 4 is a schematic structural view of an auxiliary device of the present utility model.

Legend description: 1. a driving rod; 2. a drive tooth; 3. an adjusting device; 31. fixing the column; 32. an auxiliary pad; 33. auxiliary teeth; 34. a chute; 35. positioning columns; 36. a positioning groove; 4. an auxiliary device; 41. a protective frame; 42. a protective pad; 43. a moving rod; 44. a pull ring; 45. a spring; 46. and positioning holes.

Detailed Description

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a wear-resisting dig pick soon, includes actuating lever 1, the one end top fixedly connected with actuating tooth 2 of actuating lever 1, and the arc surface of actuating lever 1 is equipped with adjusting device 3, and the one end that actuating lever 1 is close to actuating tooth 2 is equipped with auxiliary device 4.

The specific arrangement and function of the adjusting means 3 and the auxiliary means 4 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: the adjusting device 3 includes a plurality of fixed columns 31, a plurality of fixed columns 31 all with the one end arc surface fixed connection of actuating lever 1, constant head tank 36 has been seted up on the surface of fixed column 31, the inner wall threaded connection of constant head tank 36 has a reference column 35, the one end fixedly connected with auxiliary tooth 33 of reference column 35, three spout 34 have evenly been seted up to the arc surface of auxiliary tooth 33, three spout 34 evenly distributed is on the surface of auxiliary tooth 33, the cross-section of auxiliary tooth 33 is the toper, auxiliary tooth 33 is the carbide tooth, one side fixedly connected with auxiliary pad 32 that the fixed column 31 is close to auxiliary tooth 33, auxiliary pad 32 is the rubber pad.

Referring to fig. 4, in this embodiment: auxiliary device 4 includes guard frame 41, guard frame 41's inner wall bottom and the surface butt of driving tooth 2, guard frame 41's circular arc surface both ends all slip run through have movable rod 43, locating hole 46 has been seted up to the position that driving rod 1 corresponds movable rod 43, the inner wall of locating hole 46 is pegged graft mutually with movable rod 43's circular arc surface, movable rod 43's circular arc surface cover has spring 45, spring 45's both ends respectively with movable rod 43, guard frame 41 fixed connection, movable rod 43's one end fixedly connected with pull ring 44, pull ring 44 is the silica gel ring, guard frame 41's inner wall bottom fixedly connected with protection pad 42, the size of protection pad 42 and the size looks adaptation of driving tooth 2.

Working principle: when the cutting pick is used for rotary digging for a long time, serious abrasion is caused on the whole driving rod 1, the driving rod 1 is better operated and used for convenience, the fixing columns 31 are fixedly connected with the surface of the driving rod 1, the inner wall of each fixing column 31 is connected with the auxiliary teeth 33 through the opened locating grooves 36 in a threaded mode, the auxiliary teeth 33 are used for rotary digging, through the sliding grooves 34 formed in the surfaces of the auxiliary teeth 33, the whole auxiliary teeth 33 can be more conveniently dug, stone blocks can slide down conveniently, the strength of the whole cutting pick is higher, the auxiliary teeth 33 are made of hard alloy materials at the moment, the auxiliary teeth 33 are convenient to use, the fixing columns 31 and the locating columns 35 are in threaded connection and fixed, rust and dead locking are avoided, the auxiliary pads 32 are used for protection at the moment, mutual fixing and limiting between the auxiliary teeth 33 and the fixing columns 31 are achieved through operation of the adjusting device 3, and the whole cutting pick is conveniently and better in rotary digging operation.

When not using whole dig pick soon to operate, in order to conveniently protect whole pick, at this moment utilize protective frame 41 to protect, and the carriage 41 is gone up and is slided the carriage 43 that runs through and is pegged graft spacing with the locating hole 46 on the actuating lever 1, the spring 45 that the cover was gone up to rethread carriage 43, let the produced pulling force of spring 45 carry out spacing fixed to the position of carriage 43, for conveniently operate carriage 43, utilize the pull ring 44 with carriage 43 fixed connection to facilitate the use this moment, in order to let actuating tooth 2 on the actuating lever 1 protect, utilize protective pad 42 of protective frame 41 inner wall fixed connection to protect this moment, through the operation to auxiliary device 4, it is fixed to have reached the mutual joint between carriage 43 and the locating hole 46 on the protective frame 41, thereby be convenient for let protective frame 41 protect whole pick drill bit.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims

1. Wear-resisting dig pick soon, including actuating lever (1), its characterized in that: one end top fixedly connected with actuating tooth (2) of actuating lever (1), the arc surface of actuating lever (1) is equipped with adjusting device (3), adjusting device (3) are including a plurality of fixed columns (31), a plurality of fixed column (31) all with one end arc surface fixed connection of actuating lever (1), constant head tank (36) have been seted up on the surface of fixed column (31), the inner wall threaded connection of constant head tank (36) has reference column (35), one end fixedly connected with auxiliary tooth (33) of reference column (35).

2. A wear resistant rotary pick according to claim 1, wherein: three sliding grooves (34) are uniformly formed in the arc surface of the auxiliary tooth (33), and the three sliding grooves (34) are uniformly distributed on the surface of the auxiliary tooth (33).

3. A wear resistant rotary pick according to claim 1, wherein: the cross section of the auxiliary teeth (33) is conical, and the auxiliary teeth (33) are hard alloy teeth.

4. A wear resistant rotary pick according to claim 1, wherein: an auxiliary pad (32) is fixedly connected to one side, close to the auxiliary teeth (33), of the fixing column (31), and the auxiliary pad (32) is a rubber pad.

5. A wear resistant rotary pick according to claim 1, wherein: the utility model discloses a drive rod, including driving tooth (2), driving rod (1), driving tooth (2), driving rod (1) are close to one end and are equipped with auxiliary device (4), auxiliary device (4) are including protection frame (41), the inner wall bottom of protection frame (41) and the surface butt of driving tooth (2), all slip the running through in the arc surface both ends of protection frame (41) has movable rod (43), locating hole (46) have been seted up in the position that driving rod (1) corresponds movable rod (43), the inner wall of locating hole (46) peg graft mutually with the arc surface of movable rod (43), the arc surface cover of movable rod (43) has spring (45), the both ends of spring (45) respectively with movable rod (43), protection frame (41) fixed connection.

6. A wear resistant rotary pick according to claim 5, wherein: one end of the moving rod (43) is fixedly connected with a pull ring (44), and the pull ring (44) is a silica gel ring.

7. A wear resistant rotary pick according to claim 5, wherein: the inner wall bottom fixedly connected with protection pad (42) of protection frame (41), the size of protection pad (42) and the size looks adaptation of driving tooth (2).