Cutting pick convenient to replace for heading machine

Abstract

The utility model relates to the technical field of heading machines, in particular to a convenient-to-replace cutting pick for a heading machine, which comprises a mounting cylinder, a limiting rod and a limiting frame arranged in the mounting cylinder, a sliding block arranged in the limiting frame, a through hole arranged in the sliding block, a guide rod arranged in the through hole, and a guide rod arranged in the guide rod. A guide plate and a supporting spring are arranged on the outer side of the guide rod, one side of the sliding block is provided with an inclined face, and a triangular plate is arranged on one side of the inclined face. According to the cutting pick convenient to replace for the heading machine, a limiting rod is additionally arranged in a through hole, the effect of facilitating lifting of a connecting ring is achieved, the effect of pushing a sliding block to move is achieved through matched use of a limiting frame, an inclined face and a triangular plate, the effect of driving the sliding block to move is achieved through matched use of a guide rod, a guide plate and a supporting spring, and by forming a sliding hole, the sliding block can be conveniently replaced; and through cooperative use of the sliding blocks and the limiting grooves, disassembly and assembly of the wear-resistant sleeve can be rapidly completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heading machine technical field, concretely is a heading machine convenient replacement's pick. BACKGROUND

[0002] Heading machine types are many: divide into common machine and tunnel heading machine according to work object, divide into open type heading machine and shield type heading machine according to work mode, work mode: mainly by walking mechanism, work mechanism, loading mechanism and transfer mechanism are formed, along with walking mechanism forward propulsion, the cutting head in work mechanism breaks rock constantly, and the broken rock is transported, has safety, high efficiency and good quality such as roadway quality, but cost is big, structure is complex, and loss is also bigger, heading and stoping are important production links of coal mine production, and the rapid heading of coal mine roadway is the key technical measure of guaranteeing the high yield and stable yield of coal mine, and the heading technology and equipment level are directly related to the capacity and safety of coal mine production, and the efficient mechanized heading and supporting technology is the necessary condition for guaranteeing the high yield and high efficiency of mine, and is also the development direction of roadway heading technology, along with the development of fully mechanized mining technology, the domestic has appeared the annual output of several million tons, even the super working face of ten million tons, makes the annual consumption stoping roadway quantity increase greatly, thereby making the roadway heading become the commonness and key technology of coal mine efficient intensive production.

[0003] At present, the pick for heading machine mostly adopts the welding mode connection, is inconvenient to disassemble and assemble, thereby leading to low work efficiency, therefore, an urgent need exists for a pick for heading machine convenient replacement to improve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving at least one of the technical defects.

[0005] Therefore, one purpose of the utility model is to provide a pick for heading machine convenient replacement to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to realize the above-mentioned purpose, one embodiment of the utility model provides a pick for heading machine convenient replacement, which comprises a mounting cylinder, a limiting rod and a limiting frame are arranged in the interior of the mounting cylinder, a sliding block is arranged in the interior of the limiting frame, a through hole is formed in the interior of the sliding block, a guide rod is arranged in the interior of the through hole, a guide plate and a supporting spring are arranged on the outer side of the guide rod, one side of the sliding block is formed as an inclined surface, a triangular plate is arranged on one side of the inclined surface, a baffle is arranged on one side of the triangular plate, and a connecting ring is arranged on one side of the baffle.

[0007] The utility model is further provided as follows: a sliding hole is formed in the bottom of the mounting cylinder, the limiting frame and the limiting rod are fixedly connected to the interior of the mounting cylinder, and the sliding block is slidingly connected to the interior of the limiting frame.

[0008] By adopting the technical scheme, the bottom of the mounting cylinder is provided with a sliding hole, which facilitates the lifting of the baffle.

[0009] The utility model further sets up: the guide plate fixed connection in the one side of limit support, the guide rod sliding connection in the inside of guide plate, the sliding block sliding connection in the outside of guide plate, the triangular plate sliding connection in the one side of slope.

[0010] By adopting the technical scheme, the guide plate fixed connection in the one side of limit support, which facilitates the resetting of the sliding block.

[0011] The utility model further sets up: the inside of connecting ring is provided with screw thread cylinder, the inside of screw thread cylinder is provided with screw rod, the top of screw rod is provided with mounting plate, the top of mounting plate is provided with drive motor, the inside of mounting cylinder is provided with positioning slot, screw rod fixed connection in the output shaft of drive motor, the inside of mounting plate is fixed connection in mounting cylinder, the one end of screw rod away from drive motor is rotatably connected in the inside of positioning hole.

[0012] By adopting the technical scheme, the inside of screw thread cylinder is provided with screw rod, which facilitates the lifting of the connecting ring.

[0013] The utility model further sets up: the bottom of mounting cylinder is provided with positioning shaft, the outside of positioning shaft is provided with wear -resisting cover, the inside of wear -resisting cover is provided with positioning hole and limit slot, the inside of positioning hole is connected with positioning shaft, the inside of limit slot is connected with sliding block.

[0014] By adopting the technical scheme, the inside of limit slot is connected with sliding block, which facilitates the quick disassembly of the wear -resisting cover.

[0015] The utility model further sets up: the baffle sliding connection in the inside of sliding hole, the outside of screw thread cylinder is fixed with connecting ring, the inside of limit rod is connected with connecting ring.

[0016] By adopting the technical scheme, the outside of screw thread cylinder is fixed with connecting ring, which facilitates the transmission.

[0017] In summary, the utility model has the beneficial technical effect that:

[0018] 1. The excavator with convenient replacement pick tooth, the through hole adds the limiting rod, plays the role of facilitating the connection ring lifting, through the cooperation of the limiting frame, the slope and the triangular plate, plays the role of promoting the slider to move, through the cooperation of the guide rod, the guide plate and the supporting spring, plays the role of driving the slider to move, through the opening sliding hole, plays the role of facilitating the baffle sliding, through the cooperation of the slider and the limiting slot, can quickly complete the disassembly and assembly of the wear-resistant sleeve, through the use of the above structure, the replacement of the pick tooth can be quickly completed, and the working efficiency is improved;

[0019] 2. The excavator with convenient replacement pick tooth, through the cooperation of the threaded rod and the threaded cylinder, plays the role of driving the connection ring lifting, through the addition of the driving motor, plays the role of driving the threaded rod to rotate, through the cooperation of the positioning shaft and the positioning hole, plays the role of quick positioning, through the use of the above structure, the disassembly and assembly of the pick tooth can be simplified.

[0020] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the utility model will become obvious and easy to understand from the description of embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is the structural schematic diagram of the utility model;

[0023] Figure 2 It is the structural schematic diagram of the slider of the utility model;

[0024] Figure 3 It is the structural schematic diagram of the installation ring of the utility model;

[0025] Figure 4 It is the structural schematic diagram of the limiting frame of the utility model;

[0026] Figure 5 It is the structural schematic diagram inside the installation cylinder of the utility model;

[0027] Figure 6 It is the structural schematic diagram of the wear-resistant sleeve of the utility model.

[0028] In the drawing: 1, installation cylinder; 2, limiting rod; 3, limiting frame; 4, slider; 5, through hole; 6, guide rod; 7, guide plate; 8, supporting spring; 9, slope; 10, triangular plate; 11, baffle; 12, connection ring; 13, sliding hole; 14, threaded cylinder; 15, threaded rod; 16, mounting plate; 17, driving motor; 18, positioning slot; 19, positioning shaft; 20, wear-resistant sleeve; 21, positioning hole; 22, limiting slot. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Embodiment one

[0031] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model discloses a kind of convenient replacement pick for heading machine, including installation cylinder 1, the inside of installation cylinder 1 is provided with limiting rod 2 and limiting frame 3, the inside of limiting frame 3 is provided with sliding block 4, the inside of sliding block 4 is provided with through hole 5, the inside of through hole 5 is provided with guide rod 6, the outside of guide rod 6 is provided with guide plate 7 and support spring 8, one side of sliding block 4 is provided with inclined plane 9, one side of inclined plane 9 is provided with triangular plate 10, one side of triangular plate 10 is provided with baffle 11, one side of baffle 11 is provided with connecting ring 12, installation cylinder 1 plays the role of facilitating connection heading machine in this embodiment, limiting rod 2 plays the role of preventing connecting ring 12 from being inclined, limiting frame 3 plays the role of facilitating sliding block 4 movement.

[0032] With reference to Figure 3 and Figure 4 , the bottom of installation cylinder 1 is provided with sliding hole 13, limiting frame 3 and limiting rod 2 are all fixedly connected in the inside of installation cylinder 1, sliding block 4 is slidably connected in the inside of limiting frame 3, sliding hole 13 plays the role of facilitating baffle 11 sliding in this embodiment.

[0033] With reference to Figure 1 , Figure 2 and Figure 3 , guide plate 7 is fixedly connected to one side of limiting frame 3, guide rod 6 is slidably connected to the inside of guide plate 7, sliding block 4 is slidably connected to the outside of guide plate 7, triangular plate 10 is slidably connected to one side of inclined plane 9, guide plate 7 plays the role of limiting in this embodiment, guide rod 6 plays the role of limiting sliding block 4 sliding, triangular plate 10 plays the role of pushing sliding block 4 movement.

[0034] With reference to Figure 1 , Figure 3 to Figure 5The inside of the connecting ring 12 is provided with a threaded cylinder 14, the inside of the threaded cylinder 14 is provided with a threaded rod 15, the top of the threaded rod 15 is provided with a mounting plate 16, the top of the mounting plate 16 is provided with a driving motor 17, the inside of the mounting cylinder 1 is provided with a positioning groove 18, the threaded rod 15 is fixedly connected to the output shaft of the driving motor 17, the mounting plate 16 is fixedly connected to the inside of the mounting cylinder 1, and the end, away from the driving motor 17, of the threaded rod 15 is rotatably connected to the inside of the positioning groove 18. In this embodiment, the threaded cylinder 14 serves as a transmission, the threaded rod 15 serves as a transmission, and the mounting plate 16 serves as a transmission.

[0035] With reference to Figure 4 With reference to Figure 6 The bottom of the mounting cylinder 1 is provided with a positioning shaft 19, the outside of the positioning shaft 19 is provided with a wear-resistant sleeve 20, the inside of the wear-resistant sleeve 20 is provided with a positioning hole 21 and a limiting groove 22, the positioning shaft 19 is clamped in the inside of the positioning hole 21, and the sliding block 4 is slidingly connected to the inside of the limiting groove 22. In this embodiment, the positioning shaft 19 serves to facilitate the installation of the wear-resistant sleeve 20, and the limiting groove 22 serves to clamp the sliding block 4.

[0036] With reference to Figure 1 , Figure 3 With reference to Figure 4 The baffle 11 is slidingly connected to the inside of the sliding hole 13, the connecting ring 12 is fixedly connected to the outside of the threaded cylinder 14, and the connecting ring 12 is slidingly connected to the inside of the limiting rod 2. In this embodiment, the baffle 11 serves to prevent the triangular plate 10 from being dislocated, and the connecting ring 12 serves to drive the triangular plate 10 to ascend and descend.

[0037] The implementation principle of this embodiment is as follows:

[0038] When it is necessary to replace the cutting tooth, the driving motor 17 starts to work and drives the threaded rod 15 to rotate. The threaded rod 15 is used in cooperation with the threaded cylinder 14 to drive the connecting ring 12 to slide upward in the inside of the limiting rod 2, and the baffle 11 is extracted from the inside of the sliding hole 13. As the connecting ring 12 continuously moves upward, the triangular plate 10 is driven to gradually move away from the inclined surface 9. Then, the supporting spring 8 quickly restores the deformation and drives the sliding block 4 to slide in the inside of the limiting frame 3 until the supporting spring 8 completely restores the deformation. At this time, the sliding block 4 has been completely extracted from the inside of the limiting groove 22 and slides into the inside of the mounting cylinder 1. After the sliding block 4 is extracted from the inside of the limiting groove 22, the cutting tooth will automatically fall off.

[0039] When installing a new pick, first position the hole 21 to align with the positioning shaft 19, then push the pick to move towards the installation cylinder 1 until the positioning shaft 19 is inserted into the inside of the positioning hole 21, then drive the motor 17 to start working, and use the threaded rod 15 in cooperation with the threaded cylinder 14 to push the connecting ring 12 to move downwards, in the process of moving the connecting ring 12 downwards, the triangular plate 10 will slide on one side of the inclined surface 9, and the inclined surface 9 and the triangular plate 10 push the sliding block 4 to slide into the limiting groove 22, after the sliding block 4 slides into the limiting groove 22, the replacement of the pick is completed, and the baffle 11 is inserted into the sliding hole 13 at this time, and the limiting effect is achieved.

[0040] Compared with the prior art, the utility model has the following beneficial effects relative to the prior art:

[0041] The through hole 5 is provided with the limiting rod 2, which facilitates the lifting of the connecting ring 12, the limiting frame 3, the inclined surface 9 and the triangular plate 10 are used in cooperation, which drives the sliding block 4 to move, the guide rod 6, the guide plate 7 and the supporting spring 8 are used in cooperation, which drives the sliding block 4 to move, the sliding hole 13 is provided, which facilitates the sliding of the baffle 11, the sliding block 4 and the limiting groove 22 are used in cooperation, which can quickly disassemble and assemble the wear-resistant sleeve 20, the above structure is used, which can quickly replace the pick, thereby improving the working efficiency, the threaded rod 15 and the threaded cylinder 14 are used in cooperation, which drives the connecting ring 12 to lift, the driving motor 17 is added, which drives the threaded rod 15 to rotate, the positioning shaft 19 and the positioning hole 21 are used in cooperation, which achieves rapid positioning, and the above structure is used, which can simplify the disassembly and assembly of the pick.

[0042] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A replaceable cutting tooth for a tunneling machine, characterized in that: The application relates to a limiting device for a mounting cylinder (1), which comprises a limiting rod (2) and a limiting frame (3) arranged in the mounting cylinder (1), a sliding block (4) arranged in the limiting frame (3), a through hole (5) formed in the sliding block (4), a guide rod (6) arranged in the through hole (5), a guide plate (7) and a supporting spring (8) arranged on the outer side of the guide rod (6), a bevel (9) formed on one side of the sliding block (4), a triangular plate (10) arranged on one side of the bevel (9), a baffle (11) arranged on one side of the triangular plate (10), and a connecting ring (12) arranged on one side of the baffle (11).

2. The easily replaceable pick for a tunneling machine according to claim 1, characterized in that: A sliding hole (13) is formed in the bottom of the mounting cylinder (1), the limiting frame (3) and the limiting rod (2) are fixedly connected to the inside of the mounting cylinder (1), and the sliding block (4) is slidingly connected to the inside of the limiting frame (3).

3. The easily replaceable pick for a tunneling machine according to claim 1, wherein: The guide plate (7) is fixedly connected to one side of the limiting frame (3), the guide rod (6) is slidingly connected to the inside of the guide plate (7), the sliding block (4) is slidingly connected to the outside of the guide plate (7), and the triangular plate (10) is slidingly connected to one side of the bevel (9).

4. The easily replaceable pick for a tunneling machine according to claim 1, wherein: A threaded cylinder (14) is arranged in the connecting ring (12), a threaded rod (15) is arranged in the threaded cylinder (14), an installation plate (16) is arranged on the top of the threaded rod (15), a driving motor (17) is arranged on the top of the installation plate (16), a positioning groove (18) is formed in the inside of the mounting cylinder (1), the threaded rod (15) is fixedly connected to the output shaft of the driving motor (17), the installation plate (16) is fixedly connected to the inside of the mounting cylinder (1), and the threaded rod (15) is rotatably connected to the inside of the positioning groove (18) at the end, away from the driving motor (17).

5. The easily replaceable pick for a tunneling machine according to claim 1, wherein: A positioning shaft (19) is arranged at the bottom of the mounting cylinder (1), a wear-resistant sleeve (20) is arranged on the outer side of the positioning shaft (19), a positioning hole (21) and a limiting groove (22) are formed in the inside of the wear-resistant sleeve (20), the positioning shaft (19) is clamped in the positioning hole (21), and the sliding block (4) is slidingly connected to the inside of the limiting groove (22).

6. The easily replaceable pick for a tunneling machine according to claim 1, wherein: The baffle (11) is slidingly connected to the inside of the sliding hole (13), the connecting ring (12) is fixedly connected to the outside of the threaded cylinder (14), and the connecting ring (12) is slidingly connected to the inside of the limiting rod (2).

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