阅读说明：本技术 一种导轨式矿山圆盘锯机进给轮的制动系统及制动方法 (Braking system and braking method for guide rail type mine circular saw feed wheel ) 是由 吴建 吴清祥 黄加伟 于 2021-10-25 设计创作，主要内容包括：本发明公开一种导轨式矿山圆盘锯机进给轮的制动系统及制动方法,涉及矿山圆盘锯机领域,包括导轨,设置在导轨上的行走装置,该行走装置包括驱动组件、设置在驱动组件输出端且与导轨相适配的滚轮,该导轨上设置有对滚轮进行制动的挡车器组件；该挡车器组件包括安装板、设置在安装板上的阻挡板,该阻挡板靠近滚轮的一端设置有可与滚轮表面相接触的制动面结构,该制动面结构的底端与导轨表面平齐；在矿山圆盘锯机制动后,滚轮进入阻挡板的制动面结构,在制动面结构的作用下,使滚轮脱离轨道,将滚轮与导轨之间的滚动摩擦副转移到滚轮与制动面结构之间的滑动摩擦副,利用制动面结构阻断滚轮的推力,从而对滚轮进行有效、可靠的制动。(The invention discloses a braking system and a braking method for a feed wheel of a guide rail type mine circular saw, which relate to the field of mine circular saws and comprise a guide rail and a traveling device arranged on the guide rail, wherein the traveling device comprises a driving assembly and a roller which is arranged at the output end of the driving assembly and is matched with the guide rail, and a vehicle stopper assembly for braking the roller is arranged on the guide rail; the car stopper assembly comprises a mounting plate and a blocking plate arranged on the mounting plate, wherein one end of the blocking plate close to the roller is provided with a braking surface structure which can be contacted with the surface of the roller, and the bottom end of the braking surface structure is flush with the surface of the guide rail; after the mine circular saw is braked, the roller enters the braking surface structure of the blocking plate, the roller is separated from the track under the action of the braking surface structure, the rolling friction pair between the roller and the guide rail is transferred to the sliding friction pair between the roller and the braking surface structure, and the thrust of the roller is blocked by the braking surface structure, so that the roller is braked effectively and reliably.)

1. The utility model provides a braking system of guide tracked mine circular saw feed wheel, includes the guide rail, sets up the running gear on the guide rail, and this running gear includes drive assembly, sets up at the drive assembly output and with the gyro wheel of guide rail looks adaptation, its characterized in that: the guide rail is provided with a car stopper component for braking the roller.

2. The braking system of the guide rail mine circular saw feed wheel of claim 1, wherein: the car stopper assembly comprises a mounting plate and a blocking plate, wherein the mounting plate is mounted on the guide rail and matched with the guide rail, the blocking plate is arranged on the mounting plate, one end, close to the roller, of the blocking plate is provided with a braking surface structure which can be in contact with the surface of the roller, and the bottom end of the braking surface structure is flush with the surface of the guide rail.

3. The braking system of the guide track mine circular saw feed wheel of claim 2, wherein: the braking surface structure comprises a separating surface positioned at the bottom and a blocking surface arranged above the separating surface, wherein the separating surface is used for separating the roller from the guide rail, and the blocking surface is used for blocking the thrust of the roller.

4. The braking system of the guide track mine circular saw feed wheel of claim 2, wherein: the mounting plate is provided with a first rib plate, and the first rib plate and the barrier plate are mutually vertically and crossly distributed.

5. The braking system of the guide rail mine circular saw feed wheel of claim 4, wherein: a second rib plate is arranged between the first rib plate and the barrier plate.

6. The braking system of the guide rail type mine circular saw feed wheel according to any one of claims 2 to 5, wherein: the blocking surface is a linear surface, a tooth-shaped surface or an arc-shaped surface, and the separating surface is an arc-shaped surface or a linear surface.

7. The braking system of the guide track mine circular saw feed wheel of claim 2, wherein: the contact surface of the roller wheel, which is contacted with the guide rail, is provided with an inwards concave annular groove, the width of the annular groove is larger than or equal to the thickness of the mounting plate, the two sides of the annular groove are of an inner chamfer structure, the surface of the guide rail is provided with a raised line, and the two sides of the raised line are of an outer chamfer structure matched with the annular groove.

8. The braking system of the guide track mine circular saw feed wheel of claim 7, wherein: the arc plate positioned above the barrier plate is rotatably arranged on the barrier plate, the bottom of the arc plate can be abutted to the roller, the inner side surface of the arc plate can be clamped into the annular groove to wrap the roller, and the two sides of the inner side surface of the arc plate are outer chamfer structures matched with the two sides of the annular groove.

9. The braking system for a guide rail mine circular saw feed wheel of claim 8, wherein: the blocking plate is also provided with an elastic connecting device connected with the arc-shaped plate, the elastic connecting device comprises a connecting rod hinged with the blocking plate and an extension spring connected with the connecting rod, one end of the extension spring is connected with the connecting rod, and the other end of the extension spring is connected with the arc-shaped plate.

10. A braking method of a guide rail type mine circular saw feed wheel is characterized in that: the braking method using the braking system according to any one of claims 1 to 9, the braking method comprising:

s1, self-locking braking is carried out on the driving assembly of the mine circular saw;

and S2, after self-locking braking, the roller is subjected to buffer braking by the vehicle stopper assembly, the rolling friction pair between the roller and the guide rail is transferred to the sliding friction pair between the roller and the vehicle stopper assembly, and the thrust of the roller is blocked by the vehicle stopper assembly.

Technical Field

The invention relates to the field of mine circular sawing machines, in particular to a braking system and a braking method for a guide rail type feed wheel of a mine circular sawing machine.

Background

At present, the rail type mine circular saw machine often has safety accidents because the feeding roller is not designed with an over-travel brake or protection device. The existing feeding mode is that a carrying chassis with rollers feeds or retracts along a guide rail. The power of the carrying chassis is usually that a worm gear speed reducer with a self-locking function transmits power to a feeding roller through a chain or a bevel gear, and the chain or the bevel gear is frequently broken or broken in a complex working condition of a mine, so that the roller loses power and self-locks, and the machine slips down a slope along a track to cause a cliff or a person injury accident. Meanwhile, as the Chinese population is lost, the problems of high mine labor and difficult mine labor are increasingly highlighted, and the automatic cutting control of the equipment is difficult to popularize and apply due to the lack of an effective and reliable braking and protecting device.

Disclosure of Invention

The invention aims to overcome the defects and provides a braking system and a braking method for a guide rail type mine circular saw feed wheel.

The invention discloses a braking system of a guide rail type mine circular saw feed wheel, which comprises a guide rail and a traveling device arranged on the guide rail, wherein the traveling device comprises a driving assembly and a roller which is arranged at the output end of the driving assembly and is matched with the guide rail, and the braking system is characterized in that: the guide rail is provided with a car stopper component for braking the roller.

Preferably, the car stopper assembly comprises a mounting plate which is mounted on the guide rail and matched with the guide rail, and a blocking plate which is arranged on the mounting plate, wherein one end, close to the roller, of the blocking plate is provided with a braking surface structure which can be in contact with the surface of the roller, and the bottom end of the braking surface structure is flush with the surface of the guide rail.

Preferably, the braking surface structure includes a separating surface at the bottom for separating between the roller and the guide rail, and a blocking surface provided above the separating surface for blocking thrust of the roller.

Preferably, the blocking plate is provided with a first rib plate, and the first rib plate and the blocking plate are mutually vertically and crossly distributed.

Preferably, a second rib plate is arranged between the first rib plate and the blocking plate.

Preferably, the mounting plate is removably attached to the rail.

Preferably, the blocking surface is a linear surface, a toothed surface or an arc surface, and the separating surface is an arc surface or a linear surface.

Preferably, an inwards concave annular groove is formed in a contact surface of the roller and the guide rail, the width of the annular groove is larger than or equal to the thickness of the mounting plate, the two sides of the annular groove are of inner chamfer structures, a raised line is arranged on the surface of the guide rail, and the two sides of the raised line are of outer chamfer structures matched with the annular groove.

Preferably, the baffle plate is provided with an arc plate above the baffle plate in a rotating manner, the bottom of the arc plate can be abutted to the roller, the inner side surface of the arc plate can be clamped into the annular groove to wrap the roller, and the two sides of the inner side surface of the arc plate are outer chamfer structures matched with the two sides of the annular groove.

Preferably, the blocking plate is further provided with an elastic connection device connected with the arc-shaped plate, the elastic connection device comprises a connecting rod hinged with the blocking plate and an extension spring connected with the connecting rod, one end of the extension spring is connected with the connecting rod, and the other end of the extension spring is connected with the arc-shaped plate.

The invention also discloses a braking method of the guide rail type mine circular saw feed wheel, which comprises the following steps: the braking method adopts the braking system to brake, and comprises the following steps:

s1, self-locking braking is carried out on the driving assembly of the mine circular saw;

and S2, after self-locking braking, the roller is subjected to buffer braking by the vehicle stopper assembly, the rolling friction pair between the roller and the guide rail is transferred to the sliding friction pair between the roller and the vehicle stopper assembly, and the thrust of the roller is blocked by the vehicle stopper assembly.

By adopting the technical scheme, the invention has the beneficial effects that:

after the mine circular saw is braked, the roller enters the braking surface structure of the blocking plate, the roller is separated from the track under the action of the braking surface structure, the rolling friction pair between the roller and the guide rail is transferred to the sliding friction pair between the roller and the braking surface structure, and the thrust of the roller is blocked by the braking surface structure, so that the roller is braked effectively and reliably.

Drawings

FIG. 1 is a schematic structural view of a brake system according to embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a car stopper assembly according to embodiment 1 of the present invention;

figure 3 is a side view of a damper assembly according to example 1 of the present invention;

FIG. 4 is a schematic diagram illustrating a roller in accordance with embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of a car stop assembly according to embodiment 2 of the present invention;

FIG. 6 is a schematic structural diagram of a buffering device in embodiment 2 of the present invention;

FIG. 7 is a sectional view showing the structure of a buffer device in accordance with embodiment 2 of the present invention;

fig. 8 is a schematic view of a roller structure according to embodiments 1 and 2 of the present invention;

FIG. 9 is an enlarged view of the point A in example 1 of the present invention;

figure 10 is a side view of a damper assembly according to example 3 of the present invention.

Description of the main reference numerals: the guide rail, the drive assembly, the roller 3, the car stop assembly 4, the mounting plate 41, the barrier plate 42, the braking face structure 43, the split surface 431, the barrier surface 432, the first gusset of 44, the second gusset of 45, 5 sand grips, the arc of 6, 7 resilient connection device, 71 connecting rod, 72 extension spring, 8 mounting grooves, 9 buffer assembly, 91 slider, 92 compression spring, 10 first connecting pipe, 11 second connecting pipe, 12 adjustment tanks, 13 screw holes.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details or with other methods described herein.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present disclosure, and do not refer to any components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

Example 1

The embodiment provides a braking system of a guide rail 1 type mine circular saw feed wheel, and with reference to fig. 1, the braking system comprises two guide rails 1 and a traveling device arranged on the two guide rails 1, wherein the traveling device comprises a driving component 2 and two rollers 3 arranged at the output end of the driving component 2 and matched with the two guide rails 1, the driving component 2 is driven by transmission parts such as a speed reducer, and the like, and in the embodiment, the driving component is not described in detail, and both the two guide rails 1 are provided with car stopper components 4 for braking the rollers 3; referring to fig. 9, two car stopper assemblies 4 are connected with each other through a first connecting pipe 10 and a second connecting pipe 11, the first connecting pipe 10 is sleeved in the second connecting pipe 11, an adjusting groove 12 is formed on the surface of the second connecting pipe 11, a plurality of threaded holes 13 are formed corresponding to the surface of the first connecting pipe 10, the first connecting pipe 10 and the second connecting pipe 11 are locked and fixed in the corresponding threaded holes 13 through mounting bolts, the two car stopper assemblies 4 can be connected into a whole, the stability of the two car stopper assemblies 4 is improved, the connection distance of the two car stopper assemblies 4 can be adjusted through different threaded holes 13 to adapt to two guide rails 1 with different widths, referring to fig. 2, the car stopper assembly 4 comprises a mounting plate 41 which is mounted on the guide rail 1 and is matched with the guide rail 1, and a blocking plate 42 which is arranged on the mounting plate 41, the mounting plate 41 is detachably connected with the guide rail 1, specifically, the blocking plate 42 is connected through a locking bolt, one end of the blocking plate 42 close to the roller 3 is provided with a braking surface structure 43 which can be contacted with the surface of the roller 3, and the bottom end of the braking surface structure 43 is flush with the surface of the guide rail 1; referring to fig. 3, the braking surface structure 43 includes a separating surface 431 disposed at the bottom, a blocking surface 432 disposed above the separating surface 431; the blocking surface 432 is a straight surface, the separating surface 431 is an arc surface, the separating surface 431 can separate the roller 3 from the guide rail 1, the blocking surface 432 can buffer the roller 3, block the thrust of the roller 3, set the blocking surface 432 to be a toothed surface or an arc surface with a sawtooth structure, the friction between the blocking surface 432 and the roller 3 is increased by the saw-tooth structure, and the thrust of the roller 3 is blocked more effectively, referring to fig. 4, after the mine circular saw is braked, the roller 3 enters the separating surface 431 of the blocking plate 42, the roller 3 is separated from the track under the action of the separating surface 431 and enters the braking surface structure 43, the rolling friction pair between the roller 3 and the guide rail 1 is transferred to the sliding friction pair between the roller 3 and the braking surface structure 43 by the braking surface structure 43, and the thrust of the roller 3 is blocked by the braking surface structure 43, so that the roller 3 is braked effectively and reliably.

In order to improve the stability of the blocking plate 42 and prevent the blocking plate 42 from being damaged, a first rib plate 44 is arranged on the blocking plate 42, the first rib plate 44 and the blocking plate 42 are distributed in a mutually perpendicular and crossed mode, a second rib plate 45 is arranged between the first rib plate 44 and the blocking plate 42, and the blocking plate 42 is prevented from being damaged under the thrust action of the roller 3 due to the stability of the second rib plate 45 through the action of the first rib plate 44 and the second rib plate 45.

Referring to fig. 8, the contact surface that this gyro wheel 3 and guide rail 1 contacted is provided with the annular groove of indent, the width of this annular groove is more than or equal to the thickness of mounting panel 41, make mounting panel 41's parting surface 431 structure can block into in the annular groove, and this annular groove both sides are interior chamfer structure, this guide rail 1 surface sets up sand grip 5, this sand grip 5 both sides are the outer chamfer structure with annular groove looks adaptation, under outer chamfer structure and interior chamfer structure matched with circumstances, make gyro wheel 3 move more stably on guide rail 1, difficult emergence skew.

Example 2

The present embodiment 1 is different from embodiment 2 in that: referring to fig. 5, the blocking plate 42 is rotatably provided with an arc-shaped plate 6 positioned above the blocking plate, the bottom of the arc-shaped plate 6 can be abutted against the roller 3, the inner side surface of the arc-shaped plate 6 can be clamped into the annular groove to wrap the roller 3, and two sides of the inner side surface of the arc-shaped plate 6 are outer chamfer structures matched with two sides of the annular groove; after the roller 3 enters the braking surface structure 43, one end of the arc-shaped plate 6 is extruded, the arc-shaped plate 6 rotates downwards, the roller 3 is wrapped after the arc-shaped plate 6 rotates downwards, the arc-shaped plate 6 forms a wrapping type buffer for the roller 3, under the action of the arc-shaped plate 6, the thrust of the roller 3 is further effectively and quickly blocked, the roller 3 is braked, the braking effect is better, and the roller 3 is effectively prevented from sliding backwards, a mounting groove 8 is arranged on the inner side of the arc-shaped plate 6, a buffer assembly 9 is arranged in the mounting groove 8, referring to fig. 6, the buffer assembly 9 comprises a sliding block 91 arranged on the inner side of the arc-shaped plate 6, the top of the sliding block 91 is positioned in the mounting groove 8, two compression springs 92 arranged in the mounting groove 8 and positioned on two sides of the sliding block 91, referring to fig. 7, the tops of the mounting groove 8 and the sliding block 91 are both in a T-shaped structure, so that the roller 3 rotates in the mounting groove 8 when the arc-shaped plate 6, through the compression between slider 91 and compression spring 92, the extrusion, utilize compression spring 92's elasticity to advance the buffering to gyro wheel 3, more effectual braking to gyro wheel 3, reduce gyro wheel 3's braking time, still be provided with the elastic connection device 7 who is connected with arc 6 on this barrier plate 42, this elastic connection device 7 includes the connecting rod 71 with barrier plate 42 articulated, the extension spring 72 of being connected with connecting rod 71, this extension spring 72 one end is connected with connecting rod 71, the other end is connected with arc 6, make arc 6 when not using through extension spring 72, can reset.

Example 3

Referring to fig. 10, the present embodiment is different from embodiment 1 in that: in this embodiment, the separating surface 431 of the braking surface structure 43 is a linear surface, so that a certain included angle is formed between the separating surface 431 and the blocking surface 432, the roller 3 is effectively prevented from slipping between the separating surface 431 and the blocking surface 432, and the braking effect is better.

It should be noted that in the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed above.