Cantilever type longitudinal shaft heading machine and loading device thereof

Abstract

The invention discloses a cantilever type longitudinal shaft heading machine and a loading device thereof.The loading device is characterized in that sliding material receiving devices capable of sliding front and back are arranged on the two sides of a loading shovel plate respectively, each sliding material receiving device comprises a first overturning baffle, a second overturning baffle and a flexible rope, and the first overturning baffles are hinged to material receiving baffles through first pin shafts; the first overturning baffle is hinged to the second overturning baffle through a second pin shaft, a reset spring is arranged between the first overturning baffle and the second overturning baffle, one end of the flexible rope penetrates through the rope nose to be fixed to the back face of the material blocking plane of the second overturning baffle, the other end of the flexible rope is fixed to the loading shovel plate, and the rope nose is arranged on the first overturning baffle. According to the cantilever type longitudinal shaft heading machine and the loading device thereof, the material blocking height can be increased, materials are prevented from overflowing and scattering in the shoveling and loading process of the heading machine, and a cutting part of the heading machine can be prevented from interfering with the sliding material receiving device when cutting a roadway bottom plate.

Description

Technical Field

[0001] The present invention relates to a cantilever type longitudinal axis roadheader, and the present invention also relates to a loading device installed at the front part of the roadheader frame body. Background Art

[0002] The cantilever type longitudinal axis roadheader is the most widely used equipment in the coal roadway excavation construction of coal mines in the world. However, there are still many problems that have not been solved for a long time with this roadheader. Among them, it has not been technically realized that the roadheader can complete the shoveling of the full-section materials only by moving forward and backward. Therefore, to complete the shoveling of the full-section materials in the roadway, the roadheader still needs to move left and right and forward and backward many times in the roadway. This not only greatly reduces the work efficiency, but also during this process, the crawler walking part of the roadheader will inevitably repeatedly knead and roll the roadway floor, thus causing serious damage to the roadway floor.

[0003] Chinese invention patent CN108547630A discloses a cantilever type roadheader of the present inventor. In this patented technology, the present inventor has provided a plurality of star wheels on the loading shovel plate. In order to adapt to the increase in the roadway span, by increasing the number of star wheels, the width of the shovel plate can be increased without increasing the size of the shovel plate in the longitudinal direction, so that the length of the loading shovel plate will not be increased synchronously with the increase in the width of the shovel plate, resulting in interference between the loading shovel plate and the cantilever type longitudinal axis cutting part.

[0004] Chinese Invention Patent CN112983416A discloses a loading device for a roadheader invented by the present inventor. In this patented technology, the present inventor has provided a sliding material collecting device that can slide back and forth on the side of the loading shovel plate. The sliding material collecting device includes a slide rail, a sliding baffle, a material collecting baffle, and a baffle telescopic oil cylinder. When the sliding baffle slides out along the slide rail, the sliding baffle and the material collecting baffle gradually approach the bottom surface of the loading shovel plate, increasing the loading width of the loading shovel plate. When the sliding baffle slides back along the slide rail, the sliding baffle and the material collecting baffle gradually move away from the bottom surface of the loading shovel plate, narrowing the loading width of the loading shovel plate. That is, in both the front-back and left-right directions, the sliding baffle forms a certain angle with the bottom surface of the loading shovel plate. When the roadheader moves forward to shovel materials, the sliding baffle and the material collecting baffle can properly approach the roadway floor after sliding out, which is conducive to cleaning the materials on the floor. At the same time, it can increase the loading width of the loading shovel plate and improve the loading efficiency. When the cutting part of the roadheader cuts the roadway floor, the sliding baffle and the material collecting baffle can be retracted to avoid interference between the cutting part and the sliding baffle and the material collecting baffle, which may cause equipment damage. To a certain extent, it solves the contradiction that when the height of the baffle of the loading shovel plate of a conventional roadheader is small, it affects the material collecting effect, and when the baffle height is increased, it will interfere with the cutting part. Moreover, when the baffle is retracted, the width of the loading shovel plate becomes narrower, and at the same time, the distance between the sliding baffle and the material collecting baffle and the roadway floor increases, which can not only meet the requirements of the roadheader turning and changing direction, but also avoid damage to the sliding baffle due to excessive force when the roadheader uses the loading shovel plate to support the floor and lift its chassis.

[0005] However, even with the above two technologies, there is still a problem that during the process of the roadheader shoveling materials, due to the relatively small height of the sliding baffle and the material collecting baffle of the sliding material collecting device, materials spill out. And due to the technical requirements for avoiding the cutting part of the roadheader, the problem cannot be solved by directly increasing the height of the material retaining baffle of the sliding material collecting device, because if the sliding material collecting baffle and the material collecting baffle are directly increased in height, even when the sliding material collecting device is fully retracted, there will still be interference between its sliding material collecting baffle and the material collecting baffle and the cutting part of the roadheader. In order to reduce the workload of manually cleaning the spilled materials, reduce the labor intensity, and improve the manual work efficiency, it is necessary to further improve the above technical solution. Summary of the Invention

[0006] In view of this, the present invention provides a cantilever type longitudinal axis roadheader and its loading device to solve the problem that direct increase in the height of the material retaining baffle will cause interference between the sliding material collecting device and the cutting part of the roadheader. The loading device can not only increase the height of the material retaining baffle of the sliding material collecting device to prevent materials from spilling out during the shoveling process of the roadheader, but also prevent interference between the cutting part of the roadheader and the sliding material collecting device when cutting the roadway floor.

[0007] To solve the above technical problems, one aspect of the present invention is to provide a loading device for a cantilever type longitudinal axis roadheader, comprising: a loading shovel plate, the front of the loading shovel plate is open, and the rear is provided with a frame body connection ear seat and a shovel plate lifting oil cylinder connection ear seat. At least two raking star wheels are installed on the loading shovel plate. On both sides of the loading shovel plate, there are sliding material receiving devices that can slide back and forth. The sliding material receiving device includes a slide rail, a baffle plate, and a baffle plate telescopic oil cylinder. The slide rail is fixed on the side of the loading shovel plate. The baffle plate includes a sliding baffle plate and a material receiving baffle plate. The sliding baffle plate is slidably connected to the slide rail. The material receiving baffle plate is detachably installed at the front end of the sliding baffle plate. The baffle plate telescopic oil cylinder is arranged between the sliding baffle plate and the loading shovel plate; the sliding material receiving device is further provided with a first flipping baffle plate and a flexible rope. The first flipping baffle plate is hinged to the material receiving baffle plate through a first pin shaft. One end of the flexible rope is fixed to the back of the material blocking plane of the first flipping baffle plate, and the other end is fixed to the loading shovel plate; when the baffle plate telescopic oil cylinder drives the sliding baffle plate to extend, the flexible rope is pulled to a taut state, so that the first flipping baffle plate tilts backward around the first pin shaft until it abuts and is limited with the material receiving baffle plate and is in an upright state; when the baffle plate telescopic oil cylinder drives the sliding baffle plate to retract, the flexible rope is in a relaxed state, and the first flipping baffle plate tilts forward around the first pin shaft under the action of its own gravity until it abuts and is limited with the material receiving baffle plate and is in a laid - flat state.

[0008] Wherein, the material receiving baffle plate is hinged to the front end of the sliding baffle plate through a hinge shaft, and a detachable positioning rod is arranged between the material receiving baffle plate and the sliding baffle plate. The positioning rod forms a stable expansion angle between the material receiving baffle plate and the sliding baffle plate.

[0009] Wherein, both ends of the positioning rod are respectively connected to the material receiving baffle plate and the sliding baffle plate through pins.

[0010] Wherein, a first hinge ear seat is fixedly arranged on the back of the material blocking plane of the first flipping baffle plate, and a second hinge ear seat is fixedly arranged on the back of the material blocking plane of the material receiving baffle plate. The first hinge ear seat is hinged to the second hinge ear seat through the first pin shaft. The axis of the first pin shaft is horizontally arranged and parallel to the material blocking planes of the first flipping baffle plate and the material receiving baffle plate.

[0011] Wherein, the first flipping baffle is hinged with a second flipping baffle through a second pin shaft. A cable nose is arranged on the back of the material retaining plane of the first flipping baffle. One end of the flexible rope passes through the cable nose and is fixed to the back of the material retaining plane of the second flipping baffle. A return spring is arranged between the first flipping baffle and the second flipping baffle. When the flexible rope is in a taut state, the second flipping baffle rotates around the second pin shaft and abuts against and limits the first flipping baffle to form a flap angle, and the flap angle is equivalent to the expansion angle. When the flexible rope is in a relaxed state, under the elastic force of the return spring, the second flipping baffle rotates around the second pin shaft until it abuts against and limits the first flipping baffle and is in a flush state.

[0012] Wherein, a third hinge ear seat is fixedly arranged on the back of the material retaining plane of the first flipping baffle, and a fourth hinge ear seat is fixedly arranged on the back of the material retaining plane of the second flipping baffle. The third hinge ear seat is hinged with the fourth hinge ear seat through the second pin shaft. The axis of the second pin shaft is vertically arranged and parallel to the material retaining planes of the first flipping baffle and the second flipping baffle.

[0013] Wherein, the return spring is a spring plate, and the spring plate is fixed to the back of the material retaining plane of the first flipping baffle, and its length direction extends from the back of the material retaining plane of the first flipping baffle to the back of the material retaining plane of the second flipping baffle.

[0014] Wherein, the first flipping baffle and / or the second flipping baffle is provided with a counterweight block for increasing its forward tilting torque.

[0015] Wherein, the slide rail extends downward as it extends from back to front. When the baffle slides forward relative to the slide rail, the baffle gradually approaches the bottom surface of the loading shovel plate, and also widens the loading width of the loading shovel plate.

[0016] Based on the same concept, another aspect of the present invention is to provide a cantilever type longitudinal axis roadheader. Using the above loading device, the connecting ear seat of the frame body is hinged with the frame body of the roadheader, and a shovel plate lifting oil cylinder is arranged between the connecting ear seat of the shovel plate lifting oil cylinder and the frame body of the roadheader.

[0017] After adopting the above technical solutions, the technical effects achieved by the present invention are:

[0018] 1) In the present invention, since the sliding material receiving device is further provided with a first flipping baffle and a flexible rope, the first flipping baffle is hinged to the material receiving baffle through a first pin shaft. One end of the flexible rope is fixed to the back of the material blocking plane of the first flipping baffle, and the other end is fixed to the loading shovel plate. When the roadheader shovels materials, the baffle telescopic oil cylinder drives the sliding baffle to extend, and the flexible rope is pulled to a taut state, causing the first flipping baffle to tilt backward around the first pin shaft until it abuts against and is limited by the material receiving baffle and is in an upright state. At this time, the material blocking height of the sliding material receiving device increases, which can prevent materials from overflowing and spilling during the shoveling process of the roadheader. When the cutting part of the roadheader cuts the roadway floor, the baffle telescopic oil cylinder drives the sliding baffle to retract, the flexible rope is in a relaxed state, and the first flipping baffle tilts forward around the first pin shaft under its own gravity until it abuts against and is limited by the material receiving baffle and is in a laid - flat state, reducing the material blocking height of the sliding material receiving device and effectively preventing interference between the sliding material receiving device and the cutting part of the roadheader.

[0019] 2) In the present invention, since the material receiving baffle is hinged to the front end of the sliding baffle through a hinge shaft, a detachable positioning rod is provided between the material receiving baffle and the sliding baffle. The positioning rod forms a stable expansion angle between the material receiving baffle and the sliding baffle. This structure can quickly disassemble and assemble the material receiving baffle. On the one hand, when the slide rail extends from back to front and downward at the same time, the material receiving baffle follows the sliding baffle and slides out relative to the slide rail, which can make the sliding material receiving baffle and the material receiving baffle properly close to the roadway floor, facilitating the reduction of materials spilled on the roadway floor. On the other hand, when the slide rail extends from back to front and outward and downward at the same time, the material receiving baffle follows the sliding baffle and slides out relative to the slide rail, which can further increase the adaptability of the loading shovel plate to the roadway width. On the further hand, by replacing positioning rods of different lengths, the expansion angle between the material receiving baffle and the sliding baffle can be changed, further improving the adaptability of the loading shovel plate to the roadway width.

[0020] 3) In the present invention, the first flipping baffle is also hinged with a second flipping baffle through a second pin shaft. A cable nose is arranged on the back of the material retaining plane of the first flipping baffle. One end of a flexible rope passes through the cable nose and is fixed to the back of the material retaining plane of the second flipping baffle. A return spring is arranged between the first flipping baffle and the second flipping baffle. When the roadheader shovels materials, the baffle telescopic cylinder drives the sliding baffle to extend, and the flexible rope is pulled to a taut state. While the first flipping baffle stands up, the second flipping baffle also rotates around the second pin shaft and abuts against the first flipping baffle for limiting to form a flipping angle, and the flipping angle is equivalent to the expansion angle. In this way, not only the material receiving baffle increases the material retaining height, but also the sliding baffle increases the material retaining height, expanding the material retaining range. When the cutting part of the roadheader cuts the roadway floor, the baffle telescopic cylinder drives the sliding baffle to retract, and the flexible rope is in a relaxed state. Under the elastic force of the return spring, the second flipping baffle rotates around the second pin shaft to abut against the first flipping baffle for limiting and is in a flush state. At this time, the first flipping baffle and the second flipping baffle lean forward and flatten under their own gravity, thereby reducing the material retaining height of the sliding material receiving device and effectively preventing the interference between the sliding material receiving device and the cutting part of the roadheader.

[0021] 4) In the present invention, in order to increase the moment of forward flipping relying on its own gravity, a counterweight block is arranged on the first flipping baffle and / or the second flipping baffle.

[0022] In summary, based on the sliding material receiving device, the present invention is provided with the first flipping baffle and the flexible rope. While the sliding baffle extends or retracts, the first flipping baffle is driven by the flexible rope or its own gravity to lean backward and stand upright or lean forward and flatten, so as to increase the material retaining height when the roadheader shovels materials, prevent the materials from spilling out during the shoveling process of the roadheader, reduce the material retaining height when the cutting part of the roadheader cuts the roadway floor, and prevent the interference between the sliding material receiving device and the cutting part of the roadheader. Further, the present invention is also provided with a second flipping baffle hinged to the first flipping baffle, and a return spring is arranged between the first flipping baffle and the second flipping baffle to ensure that both can be flipped and flattened relying on their own gravity, and the same flexible rope can drive the first flipping baffle and the second flipping baffle to flip and stand up simultaneously, increasing the material retaining range.

[0023] Based on the ingenious concept of the applicant's prior patent, the above scheme of the present invention has a simple structure, reliable use, convenient maintenance, low cost, and is easy to promote. Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of an embodiment of the loading device of the cantilever type longitudinal axis roadheader of the present invention;

[0025] Figure 2 is Figure 1Schematic structural diagram of the sliding material receiving device when the sliding baffle extends in the illustrated embodiment;

[0026] Figure 3 is Figure 1 Schematic structural diagram of the sliding material receiving device when the sliding baffle retracts in the illustrated embodiment;

[0027] Figure 4 is Figure 2 Top view of a partial structure;

[0028] In the figure: 1. Loading shovel plate; 11. Frame body connecting ear seat; 12. Shovel plate lifting oil cylinder connecting ear seat; 2. Raking star wheel; 3. Sliding material receiving device; 31. Slide rail; 32. Flexible rope; 33. Baffle telescopic oil cylinder; 34. Sliding baffle; 341. Hinge shaft; 35. Material receiving baffle; 351. First pin shaft; 352. Second hinge ear seat; 353. Limiting plate; 36. Positioning rod; 361. Plug pin; 362. Plug pin; 37. First flipping baffle; 371. First hinge ear seat; 372. Counterweight; 373. Third hinge ear seat; 374. Thimble; 38. Second flipping baffle; 382. Second pin shaft; 384. Fourth hinge ear seat; 39. Return spring. Detailed implementation manners

[0029] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments to further understand the purpose, solution and efficacy of the present invention, but it is not intended to limit the protection scope of the appended claims of the present invention.

[0030] As Figure 1 shown, a loading device of a cantilever type longitudinal axis roadheader, the front part of the loading shovel plate 1 is open, and the rear part is provided with a frame body connecting ear seat 11 and a shovel plate lifting oil cylinder connecting ear seat 12. During use, the frame body connecting ear seat 11 is hinged to the frame body of the roadheader, and a shovel plate lifting oil cylinder is arranged between the shovel plate lifting oil cylinder connecting ear seat 12 and the frame body of the roadheader to realize the lifting of the loading shovel plate 1. Two raking star wheels 2 are installed on the loading shovel plate 1, and 3 or 4 can also be set, but at least two. The left side and the right side of the loading shovel plate 1 are respectively provided with sliding material receiving devices 3 that can slide back and forth.

[0031] As Figure 2 and Figure 3 collectively shown, the sliding material receiving device 3 includes a slide rail 31, a sliding baffle 34 and a baffle telescopic oil cylinder 33. The slide rail 31 is fixed to the side of the loading shovel plate 1. The slide rail 31 extends from back to front and extends outward and downward at the same time (the "outer" here is relative to the center of the loading shovel plate 1). The sliding baffle 34 is slidably connected to the slide rail 31. The baffle telescopic oil cylinder 33 is arranged between the sliding baffle 34 and the loading shovel plate 1, so that the sliding baffle 34 forms a certain angle with the bottom surface of the loading shovel plate 1 in both the front-back and left-right directions.

[0032] The material receiving baffle 35 is detachably installed at the front end of the sliding baffle 34. In this embodiment, the material receiving baffle 35 is hinged to the front end of the sliding baffle 34 through a hinge shaft 341. A detachable positioning rod 36 is arranged between the material receiving baffle 35 and the sliding baffle 34, and the positioning rod 36 forms a stable expansion angle between the material receiving baffle 35 and the sliding baffle 34. In this embodiment, one end of the positioning rod 36 is connected to the material receiving baffle 35 through a pin 361, and the other end is connected to the sliding baffle 34 through a pin 362. This structure can quickly disassemble and assemble the material receiving baffle 35. On the one hand, when the slide rail 31 extends from back to front and only extends downward, the material receiving baffle 35 follows the sliding baffle 34 and slides out relative to the slide rail 31. The sliding material receiving baffle and the material receiving baffle are properly close to the roadway floor, which is beneficial to reducing the materials spilled on the roadway floor. On the other hand, when the slide rail 31 extends from back to front and extends outward and downward at the same time, the material receiving baffle 35 follows the sliding baffle 34 and slides out relative to the slide rail 31, which can further increase the adaptability of the loading shovel plate 1 to the roadway width. On the other hand, by replacing the positioning rods 36 with different lengths, the expansion angle between the material receiving baffle 35 and the sliding baffle 34 can be changed, further improving the adaptability of the loading shovel plate 1 to the roadway width.

[0033] The contribution of the present invention to the prior art is mainly reflected in that the sliding material receiving device 3 is further provided with a first flipping baffle 37 and a flexible rope 32. While the sliding baffle 34 extends or retracts, driven by the flexible rope 32 or the self-gravity of the first flipping baffle, the first flipping baffle 37 reclines upright or leans forward and lies flat, so as to increase the material blocking height when the roadheader shovels materials, prevent the materials from overflowing and spilling during the shoveling process of the roadheader, and reduce the material blocking height when the cutting part of the roadheader cuts the roadway floor, preventing interference between the sliding material receiving device 3 and the cutting part of the roadheader. The structure and working principle of the sliding material receiving device 3 are introduced in detail below.

[0034] As Figure 2 and Figure 3 shown, the first flipping baffle 37 is hinged to the material receiving baffle 35 through a first pin shaft 351. One end of the flexible rope 32 is fixed to the back of the material blocking plane of the first flipping baffle 37, and the other end is fixed to the loading shovel plate 1. In this embodiment, a first hinged ear seat 371 is fixedly arranged on the back of the material blocking plane of the first flipping baffle 37, and a second hinged ear seat 352 is fixedly arranged on the back of the material blocking plane of the material receiving baffle 35. The first hinged ear seat 371 is hinged to the second hinged ear seat 352 through the first pin shaft 351. The axis of the first pin shaft 351 is horizontally arranged and parallel to the material blocking planes of the first flipping baffle 37 and the material receiving baffle 35.

[0035] When the baffle expansion oil cylinder 33 drives the sliding baffle 34 to extend (as Figure 2As shown, the flexible rope 32 is pulled to a taut state, causing the first flipping baffle 37 to tilt backward around the first pin shaft 351 until it abuts against and is limited by the receiving baffle 35 and is in an upright state. In this embodiment, an indirectly "abutting and limiting" structure is adopted between the two. A limiting plate 353 is provided on the back of the second hinge ear seat 352. When the first hinge ear seat 371 abuts against the limiting plate 353, the limiting between the first flipping baffle 37 and the receiving baffle 35 is achieved. Of course, a directly "abutting and limiting" structure can also be adopted. When the baffle telescopic oil cylinder 33 drives the sliding baffle 34 to retract, the flexible rope 32 is in a relaxed state, and the first flipping baffle 37 tilts forward around the first pin shaft 351 under its own gravity until it abuts against and is limited by the receiving baffle 35 and is in a laid-flat state.

[0036] The present invention also provides a second flipping baffle 38 hinged to the first flipping baffle 37. A reset spring 39 is provided between the first flipping baffle 37 and the second flipping baffle 38 to ensure that the two can be laid flat and flipped by relying on their own weights, and the same flexible rope 32 can drive the first flipping baffle 37 and the second flipping baffle 38 to flip and stand up simultaneously, increasing the material blocking range.

[0037] In this embodiment, the first flipping baffle 37 is hinged to the second flipping baffle 38 through a second pin shaft 382. A cable eye 374 is provided on the back of the material blocking plane of the first flipping baffle 37. One end of the flexible rope 32 passes through the cable eye 374 and is fixed to the back of the material blocking plane of the second flipping baffle 38. A reset spring 39 is provided between the first flipping baffle 37 and the second flipping baffle 38. In this embodiment, the reset spring 39 is preferably a spring plate, which is fixed to the back of the material blocking plane of the first flipping baffle 37, and its length direction extends from the back of the material blocking plane of the first flipping baffle 37 to the back of the material blocking plane of the second flipping baffle 38. Of course, the reset spring 39 is not limited to the spring plate and can also be other elastic devices, such as torsion springs. When the flexible rope 32 is in a taut state, the second flipping baffle 38 flips around the second pin shaft 382 and abuts against and is limited by the first flipping baffle 37 to form a flipping angle A (as Figure 4 shown), and the flipping angle A is equivalent to the expansion angle (the angle between the sliding baffle 34 and the receiving baffle 35); when the flexible rope 32 is in a relaxed state, under the elastic force of the reset spring 39, the second flipping baffle 38 flips around the second pin shaft 382 until it abuts against and is limited by the first flipping baffle 37 and is in a flush state.

[0038] In this embodiment, a third hinge ear seat 373 is fixedly provided on the back of the material blocking plane of the first flip baffle 37, and a fourth hinge ear seat 384 is fixedly provided on the back of the material blocking plane of the second flip baffle 38. The third hinge ear seat 373 is hinged to the fourth hinge ear seat 384 through a second pin shaft 382. The axis of the second pin shaft 382 is vertically arranged and parallel to the material blocking planes of the first flip baffle 37 and the second flip baffle 38.

[0039] When the roadheader shovels materials, the baffle telescopic oil cylinder 33 drives the sliding baffle 34 to extend, and the flexible rope 32 is pulled to a taut state. While the first flip baffle 37 stands up, the second flip baffle 38 also rotates around the second pin shaft 382 and abuts against the first flip baffle 37 to form a flip angle A. The flip angle A is equivalent to the expansion angle. In this way, not only does the material receiving baffle 35 increase the material blocking height, but the sliding baffle 34 also increases the material blocking height, expanding the material blocking range. When the cutting part of the roadheader cuts the roadway floor, the baffle telescopic oil cylinder 33 drives the sliding baffle 34 to retract, and the flexible rope 32 is in a relaxed state. Under the elastic force of the return spring 39, the second flip baffle 38 rotates around the second pin shaft 382 to abut against and be limited by the first flip baffle 37 and be in a flush state. At this time, the first flip baffle 37 and the second flip baffle 38 lean forward and flatten under their own gravity, thereby reducing the material blocking height of the sliding material receiving device 3 and effectively preventing the interference between the sliding material receiving device 3 and the cutting part of the roadheader.

[0040] In order to increase the moment of forward tilting and flipping by its own gravity, a counterweight 372 is provided on the first flip baffle 37 and / or the second flip baffle 38.

[0041] In summary, all non-substantive local changes made based on the concept, principle, structure, and method of the present invention are within the protection scope of the present invention.

Claims

1. A loading device for a cantilever type longitudinal axis roadheader, comprising: A loading shovel plate, the front of the loading shovel plate is open, and the rear is provided with a frame body connection ear seat and a shovel plate lifting oil cylinder connection ear seat. At least two raking star wheels are installed on the loading shovel plate. On both sides of the loading shovel plate, there are respectively sliding material receiving devices that can slide back and forth. The sliding material receiving device includes a slide rail, a baffle plate, and a baffle plate telescopic oil cylinder. The slide rail is fixed on the side surface of the loading shovel plate. The baffle plate includes a sliding baffle plate and a material receiving baffle plate. The sliding baffle plate is slidably connected to the slide rail. The material receiving baffle plate is detachably installed at the front end of the sliding baffle plate. The baffle plate telescopic oil cylinder is arranged between the sliding baffle plate and the loading shovel plate; characterized in that, The sliding material receiving device is further provided with a first flipping baffle plate and a flexible rope. The first flipping baffle plate is hinged to the material receiving baffle plate through a first pin shaft. One end of the flexible rope is fixed to the back of the material blocking plane of the first flipping baffle plate, and the other end is fixed to the loading shovel plate; when the baffle plate telescopic oil cylinder drives the sliding baffle plate to extend, the flexible rope is pulled to a taut state, so that the first flipping baffle plate tilts backward around the first pin shaft until it abuts and is limited against the material receiving baffle plate and is in an upright state; when the baffle plate telescopic oil cylinder drives the sliding baffle plate to retract, the flexible rope is in a relaxed state, and the first flipping baffle plate tilts forward around the first pin shaft under the action of its own gravity until it abuts and is limited against the material receiving baffle plate and is in a laid - flat state.

2. The loading device of the cantilever type longitudinal axis roadheader according to claim 1, wherein, The material receiving baffle plate is hinged to the front end of the sliding baffle plate through a hinge shaft. A detachable positioning rod is arranged between the material receiving baffle plate and the sliding baffle plate. The positioning rod forms a stable expansion angle between the material receiving baffle plate and the sliding baffle plate.

3. The loading device of the cantilever type longitudinal axis roadheader according to claim 2, characterized in that, Both ends of the positioning rod are respectively connected to the material receiving baffle plate and the sliding baffle plate through pins.

4. The cantilever type longitudinal axis roadheader loading device according to claim 1, characterized in that, A first hinge ear seat is fixedly arranged on the back of the material blocking plane of the first flipping baffle plate, and a second hinge ear seat is fixedly arranged on the back of the material blocking plane of the material receiving baffle plate. The first hinge ear seat is hinged to the second hinge ear seat through the first pin shaft. The axis of the first pin shaft is horizontally arranged and parallel to the material blocking planes of the first flipping baffle plate and the material receiving baffle plate.

5. The loading device of the cantilever type longitudinal axis tunneling machine according to claim 2, characterized in that, The first flipping baffle plate is hinged with a second flipping baffle plate through a second pin shaft. A cable eye is arranged on the back of the material blocking plane of the first flipping baffle plate. One end of the flexible rope passes through the cable eye and is fixed to the back of the material blocking plane of the second flipping baffle plate. A return spring is arranged between the first flipping baffle plate and the second flipping baffle plate; when the flexible rope is in a taut state, the second flipping baffle plate rotates around the second pin shaft and abuts and is limited against the first flipping baffle plate to form a flap angle, and the flap angle is equivalent to the expansion angle; when the flexible rope is in a relaxed state, under the elastic force of the return spring, the second flipping baffle plate rotates around the second pin shaft until it abuts and is limited against the first flipping baffle plate and is in a flush state.

6. The loading device of the cantilever type longitudinal axis tunneling machine according to claim 5, characterized in that, A third hinge ear seat is fixedly provided on the back of the material blocking plane of the first flipping baffle, and a fourth hinge ear seat is fixedly provided on the back of the material blocking plane of the second flipping baffle. The third hinge ear seat is hinged to the fourth hinge ear seat through the second pin shaft, and the axis of the second pin shaft is vertically arranged and parallel to the material blocking planes of the first flipping baffle and the second flipping baffle.

7. The loading device of the cantilever type longitudinal axis tunneling machine according to claim 6, characterized in that, The return spring is a spring plate, which is fixed on the back of the material blocking plane of the first flipping baffle, and its length direction extends from the back of the material blocking plane of the first flipping baffle to the back of the material blocking plane of the second flipping baffle.

8. The loading device of the cantilever type longitudinal axis tunneling machine according to claim 5, characterized in that, The first flipping baffle and / or the second flipping baffle is provided with a counterweight block to increase its forward tilting moment.

9. The loading device of the cantilever type longitudinal axis roadheader according to claim 2, wherein, The slide rail extends downward as it extends from back to front. When the baffle slides forward relative to the slide rail, the baffle gradually approaches the bottom surface of the loading shovel plate, and at the same time, the loading width of the loading shovel plate becomes wider.

10. A cantilever type longitudinal axis roadheader, characterized in that, Comprising the loading device according to any one of claims 1 to 9, a connecting ear seat of the frame body is hinged to the frame body of the roadheader, and a shovel plate lifting oil cylinder is arranged between the connecting ear seat of the shovel plate lifting oil cylinder and the frame body of the roadheader.

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