CN111397362B

CN111397362B - Automatic shifting block device of rotary kiln

Info

Publication number: CN111397362B
Application number: CN202010343203.6A
Authority: CN
Inventors: 林顺洪; 王江林; 郭大江; 杨宇; 季炫宇; 柏继松; 杨鲁; 邓渝川
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2024-03-26
Anticipated expiration: 2040-04-27
Also published as: CN111397362A

Abstract

The invention belongs to the technical field of cooperative treatment of solid wastes, and provides an automatic shifting block device of a rotary kiln. The automatic shifting block device of the rotary kiln provided by the invention can adjust the spacing between the rake teeth, thereby being convenient for cleaning materials with different sizes and having higher cleaning efficiency.

Description

Automatic shifting block device of rotary kiln

Technical Field

The invention relates to the technical field of cooperative treatment of solid wastes, in particular to an automatic shifting block device of a rotary kiln.

Background

The cement rotary kiln is utilized to cooperatively treat solid wastes, such as steel rolling oil sludge, oil-containing sludge, oil-based drill cuttings and the like, so that not only is the waste subjected to harmless treatment realized, but also the waste is utilized as part of fuel, and the recycling of the waste is realized. The pellets and the waste are dried and preheated by a grate, and then are roasted in a rotary kiln at high temperature. In the high-temperature roasting process, the material forms a ring forming object on the inner wall of the rotary kiln, the ring forming object gradually forms a ring forming large block, then collapses and falls off, and is conveyed to the kiln head along with the rotation of the rotary kiln, and falls on a fixed screen of the kiln head.

Because the fixed screen and the longitudinal center of the rotary kiln are vertically arranged, and the included angle between the fixed screen and the horizontal plane is 13 degrees. Therefore, the large ring can not flow to the side door for discharging after falling onto the fixed screen, and can be moved outside the side door by means of external force. In addition, the kiln head cover distance at the side wall of the receiving hopper and the side door is far, heat-resistant concrete is used for filling up, a large number of pellets are piled on a concrete platform in production, after the side door is opened, the piled pellets are cleaned firstly, and then large blocks can be dialled.

However, the drag head of the existing automatic shifting block device of the rotary kiln is fixed in structure and single in function. If the pile balls are cleaned by utilizing the rake head for cleaning the large blocks, the pile balls flow out from gaps among the rake claws, so that the problems of low cleaning efficiency and incomplete cleaning are solved. If the large block is cleaned by the scraper head for cleaning the piled ball, the scraper claw cannot pass through the gap between the large blocks, so that the problem of low cleaning efficiency occurs.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an automatic shifting block device of a rotary kiln, which can adjust the spacing between rake teeth according to materials with different sizes, thereby improving the cleaning efficiency.

In order to achieve the above object, the present invention provides an automatic shifting block device of a rotary kiln, including a drag head assembly, the drag head assembly comprising: the rake head body, the first rake claw, the second rake claw, the first transmission shaft, the second transmission shaft and the driving motor,

the rake body comprises a rake head and a rake body with one end connected with the rake head, the rake head is provided with a hollow first inner cavity, the rake body is provided with a hollow second inner cavity, the first inner cavity is communicated with the second inner cavity, one side of the rake head is provided with a chute, the chute is communicated with the first inner cavity,

the first harrow claw and the second harrow claw are arranged in parallel and are in sliding connection with each other, one end of the first harrow claw and one end of the second harrow claw penetrate through the sliding groove and extend into the first inner cavity, the first harrow claw and the second harrow claw are both in sliding connection with the harrow head body through the sliding groove,

the first and second harrow claws are respectively provided with a first connecting part and a second connecting part at one end, the two ends of the first transmission shaft are respectively provided with a first thread section and a second thread section, the pitches of the first thread section and the second thread section are the same and the spiral directions are opposite, the first thread section and the second thread section are respectively in threaded connection with the first connecting part and the second connecting part,

a first bevel gear is arranged in the middle of the first transmission shaft, the second transmission shaft is arranged in the second inner cavity, a second bevel gear is arranged at one end of the second transmission shaft, the first bevel gear and the second bevel gear are meshed with each other,

and the power output end of the driving motor is connected with the power input end of the second transmission shaft.

Further, the rake teeth of the first rake claw and the second rake claw comprise an adjusting shaft, a tooth body and a tooth head, a third thread section and a fourth thread section are respectively arranged at two ends of the adjusting shaft, an adjusting part is arranged in the middle of the adjusting shaft, the pitches of the third thread section and the fourth thread section are the same, the spiral directions are opposite, and the tooth body and the tooth head are respectively in threaded connection with the third thread section and the fourth thread section.

Further, one end of the tooth body is provided with a sliding hole, one side of the sliding hole is provided with an adjusting port, one end of the tooth head is slidably arranged in the sliding hole, and the tooth body and one end of the tooth head are respectively in threaded connection with the third threaded section and the fourth threaded section.

Further, a blocking cover is arranged at the adjusting opening, one end of the blocking cover is hinged with one end of the adjusting opening, and the other end of the blocking cover is detachably connected with the adjusting opening.

Further comprises a walking system, a revolving system, an up-down swinging system and a telescopic system,

the running system comprises a guide rail, wheels and a vehicle body, wherein the guide rail is arranged on a base, the wheels are arranged on the guide rail, the vehicle body is provided with an axle, the wheels are rotationally connected with the axle,

the rotary system comprises a rotary table and a rotary hydraulic cylinder, the rotary table is rotationally connected with the vehicle body through a rotary support, one end of the rotary hydraulic cylinder is hinged with the vehicle body, the other end of the rotary hydraulic cylinder is hinged with the rotary table or the rotary support, the rotary hydraulic cylinder forms a certain included angle with the central surface of the rotary table,

the up-down swinging system comprises a swinging arm and a swinging hydraulic cylinder, wherein the swinging arm is hinged with the turntable, one end of the swinging hydraulic cylinder is hinged with the turntable, the other end of the swinging hydraulic cylinder is hinged with the swinging arm,

the telescopic system comprises a telescopic arm, a driving sprocket, a driven sprocket, a telescopic driving motor and a transmission chain, wherein one end of the telescopic arm is slidably inserted into the swing arm, the other end of the telescopic arm is connected with the drag head assembly, the driving sprocket and the driven sprocket are respectively arranged at two ends of the swing arm, a power output end of the telescopic driving motor is connected with a power input end of the driving sprocket, the transmission chain is arranged between the driving sprocket and the driven sprocket and meshed with the driving sprocket and the driven sprocket, and two ends of the transmission chain are respectively connected with one end of the telescopic arm.

Further, one end of the swing arm is provided with a swing arm carrier roller assembly, the swing arm carrier roller assembly comprises two first carrier roller side plates, a plurality of first supporting carrier rollers and a plurality of first guiding carrier rollers, the two first carrier roller side plates are oppositely arranged and fixedly connected with each other, the plurality of first supporting carrier rollers are equally divided into two groups, the two groups of first supporting carrier rollers are respectively arranged on the upper side and the lower side of the inner side of the two first carrier roller side plates, the plurality of first guiding carrier rollers are equally divided into two groups, the two groups of first guiding carrier rollers are respectively arranged on the left side and the right side of the inner side of the two first carrier roller side plates,

the telescopic arm passes through the swing arm carrier roller assembly and the peripheral surface thereof respectively collides with a plurality of first supporting carrier rollers and a plurality of first guiding carrier rollers,

the telescopic arm carrier roller assembly comprises two second carrier roller side plates, a plurality of second supporting carrier rollers, a plurality of second guide carrier rollers and a transmission chain connecting plate, wherein the two second carrier roller side plates are oppositely arranged and fixedly connected with each other, the plurality of second supporting carrier rollers are averagely divided into two groups, the two groups of second supporting carrier rollers are respectively arranged on the upper side and the lower side of the inner side of the two second carrier roller side plates, the plurality of second guide carrier rollers are averagely divided into two groups, the two groups of second guide carrier rollers are respectively arranged on the left side and the right side of the inner side of the two second carrier roller side plates, the transmission chain connecting plate is arranged at the top of the inner side of the two second carrier roller side plates, the two ends of the transmission chain connecting plate are respectively connected with the two ends of the transmission chain,

the telescopic arm carrier roller assembly is arranged in the swing arm, and the inner peripheral surface of the swing arm is in interference with the plurality of second support carrier rollers and the plurality of second guide carrier rollers.

The invention has the beneficial effects that:

1. according to the automatic shifting block device of the rotary kiln, the second transmission shaft is driven to rotate by the driving motor, the first transmission shaft is driven to rotate by the second transmission shaft, and under the action of the first thread sections and the second thread sections which are arranged at the two ends of the first transmission shaft, the first harrow claw and the second harrow claw are close to or far away from each other, so that the distance between harrow teeth of the harrow head assembly is changed, the requirements of cleaning materials with different sizes are further met, the cleaning efficiency is improved, and meanwhile, the working face of the harrow head assembly is enlarged by changing the positions of the first harrow claw and the second harrow claw, and the working efficiency is further improved.

2. According to the automatic shifting block device of the rotary kiln, the adjusting shaft is rotated, so that the tooth heads and the tooth bodies are mutually close to or far away from each other under the action of the third thread section and the fourth thread section which are arranged at the two ends of the adjusting shaft, the aim of changing the lengths of the rake teeth is fulfilled, and the cleaning efficiency is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a perspective view of an automatic rotary kiln shifting block device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the rotary kiln automatic shifting block apparatus shown in FIG. 1;

FIG. 3 is a cross-sectional view of a telescoping system of the rotary kiln automatic shifting apparatus shown in FIG. 1;

FIG. 4 is a perspective view of a drag head assembly of the rotary kiln automatic shifting apparatus of FIG. 1;

FIG. 5 is a cross-sectional view taken along the direction A-A shown in FIG. 4;

FIG. 6 is a semi-sectional perspective view in the direction B-B shown in FIG. 4;

fig. 7 is a perspective view of a swing arm idler assembly of the rotary kiln automatic shifting block apparatus shown in fig. 1;

fig. 8 is a perspective view of a telescoping arm idler assembly of the rotary kiln automatic shifting block apparatus of fig. 1.

Reference numerals:

1-rake head assembly, 11-rake head body, 111-rake head, 1111-first cavity, 1112-chute, 112-rake body, 1121-second cavity, 12-first rake claw, 121-first connection, 13-second rake claw, 131-second connection, 14-first drive shaft, 141-first thread section, 142-second thread section, 143-first bevel gear, 15-second drive shaft, 151-second bevel gear, 16-drive motor, 100-rake teeth, 101-adjustment shaft, 102-tooth body, 103-tooth head, 1011-third thread section, 1012-fourth thread section, 1013-adjustment section, 1021-slide hole, 1022-adjustment port, 1023-shield, 2-travel system, 21-guide rail 22-wheel, 23-car body, 3-slewing system, 31-turntable, 32-slewing hydraulic cylinder, 33-slewing bearing, 4-up-down swinging system, 41-swinging arm, 42-swinging hydraulic cylinder, 400-swinging arm carrier roller assembly, 401-first carrier roller side plate, 402-first supporting carrier roller, 403-first guiding carrier roller, 5-telescopic system, 51-telescopic arm, 52-driving sprocket, 53-driven sprocket, 54-telescopic driving motor, 55-driving chain, 500-telescopic arm carrier roller assembly, 501-second carrier roller side plate, 502-second supporting carrier roller, 503-second guiding carrier roller, 504-driving chain connecting plate, 6-hydraulic system, 7-cooling system, 8-air duct, 9-base.

Detailed Description

Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1-8, the invention provides an automatic shifting block device of a rotary kiln, which comprises a rake head assembly 1.

The drag head assembly 1 comprises: the rake head comprises a rake head body 11, a first rake claw 12, a second rake claw 13, a first transmission shaft 14, a second transmission shaft 15 and a driving motor 16.

The rake body 11 includes a rake 111 and a rake body 112. One end of the rake body 112 is connected to the middle part of the rake head 111, and the other end is connected to the telescopic arm 51. The rake head 111 has a hollow first lumen 1111, the rake body 112 has a hollow second lumen 1121, and the first lumen 1111 communicates with the second lumen 1121. A chute 1112 is provided at the bottom of the drag head 111, and the chute 1112 is in communication with the first lumen 1111.

The first rake finger 12 and the second rake finger 13 are mounted in parallel and slidably connected to each other. Specifically, the opposite sides of the first and second fingers 12, 13 are in contact with each other, but the first and second fingers 12, 13 are slidable relative to each other so as to be overlapped or staggered. Preferably, the first rake 12 is identical to the rake teeth 100 of the second rake 13, and the intervals between the rake teeth 100 are identical, so that when the first rake 12 and the second rake 13 are staggered with each other, the two sides of the rake head assembly 1 are identical. The top ends of the first claw 12 and the second claw 13 pass through the sliding groove 1112 and extend into the first inner cavity 1111, and the first claw 12 and the second claw 13 are both in sliding connection with the rake head body 11 through the sliding groove 1112.

Specifically, the sum of the thicknesses of the first rake claw 12 and the second rake claw 13 at the position of the sliding groove 1112 is equal to the width of the sliding groove 1112, that is, the sides of the first rake claw 12 and the second rake claw 13, which are located at the parts of the sliding groove 1112 and are away from each other, respectively collide with two sides of the sliding groove 1112, and the parts located above and below the sliding groove 1112 are both larger than the width of the sliding groove 1112, so that the first rake claw 12, the second rake claw 13 and the sliding groove can form a clamping connection, and the connection is more stable. In addition, the sum of the thick bottoms of the portions of the first claw 12 and the second claw 13 located in the first inner cavity 1111 is equal to the width of the second inner cavity 1121, that is, the sides of the portions of the first claw 12 and the second claw 13 located in the first inner cavity 1111, which are away from each other, respectively collide with the two sides of the first inner cavity 1111, so that the guiding and the mounting of the first claw 12 and the second claw 13 are facilitated.

Of course, the opposite sides of the first and second fingers 12, 13 may also cooperate with the recesses by means of bumps, so that the guiding and mounting is more stable.

The top of the first and second rakes 12 and 13 have first and second connection portions 121 and 131, respectively. The first transmission shaft 14 is provided at both ends thereof with a first screw thread section 141 and a second screw thread section 142, respectively. The first thread segments 141 have the same pitch and opposite spiral direction as the second thread segments 142 so as to maintain the same distance of movement of the first and second fingers 12, 13. The first and second screw thread segments 141 and 142 are screw-coupled with the first and second connection parts 121 and 131, respectively.

A first bevel gear 143 is fixedly installed at the middle of the first transmission shaft 14. A second drive shaft 15 is rotatably mounted within the second interior cavity 1121. A second bevel gear 151 is fixedly installed at one end of the second transmission shaft 15, the first bevel gear 143 and the second bevel gear are engaged with each other, and the other end of the second transmission shaft 15 extends into the second inner cavity 1121.

The power output end of the driving motor 16 is connected with the power input end of the second transmission shaft 15.

When the scraper head assembly is used, the second transmission shaft 15 can be driven to rotate through the driving motor 16, the second transmission shaft 15 drives the first transmission shaft 14 to rotate, and under the action of the first thread sections 141 and the second thread sections 142 arranged at the two ends of the first transmission shaft 14, the first scraper claw 12 and the second scraper claw 13 are driven to be close to or far away from each other, so that the distance between the scraper teeth 100 of the scraper head assembly 1 is changed, and the requirements of cleaning materials with different sizes are met, so that the cleaning efficiency is improved.

Meanwhile, the size of the rake head assembly 1 can be changed by changing the distance between the first rake claw 12 and the second rake claw 13, so that the cleaning efficiency is further improved.

In one embodiment, tines 100 of first and second fingers 12, 13 each include an adjustment shaft 101, a tine body 102, and a tine 103. The adjusting shaft 101 has a third screw section 1011 and a fourth screw section 1012 at both ends and an adjusting part 1013 in the middle. The third thread segments 1011 and the fourth thread segments 1012 have the same pitch and opposite screw directions. The tooth body 102 and the tooth head 103 are respectively screwed with a third thread section 1011 and a fourth thread section 1012.

When in use, the distance between the tooth head 103 and the tooth body 102 can be changed by rotating the adjusting part 1013, so that the length of the rake teeth 100 is changed, and the efficiency is improved for materials with different sizes.

In one embodiment, a sliding hole 1021 is formed at one end of the tooth body 102. Preferably, the slide holes 1021 are square holes to facilitate guiding and placement of the rotation of the tooth heads 103. One side of the sliding hole 1021 is provided with an adjusting opening 1022, and one end of the tooth head 103 is arranged in the sliding hole 1021 in a sliding way. One end of the tooth body 102 and the tooth head 103 are respectively screwed with the third thread section 1011 and the fourth thread section 1012. By arranging one end of the tooth head 103 in the slide hole 1021, relative rotation between the rake head 111 and the rake body 112 is not easy to occur, so that connection is more stable.

In one embodiment, a stop cover 1023 is mounted to the adjustment port 1022, one end of the stop cover 1023 being hinged to one end of the adjustment port 1022 and the other end being removably connected to the adjustment port 1022, such as by a screw connection. This structure can be outside with material dregs interception, avoids material dregs to influence the screw thread.

In one embodiment, the device further comprises a walking system 2, a revolving system 3, an up-and-down swinging system 4 and a telescopic system 5.

The running system 2 includes a rail 21, wheels 22, and a vehicle body 23. The guide rail 21 is fixedly mounted on the base 9. The wheels 22 are arranged on the rail 21. The vehicle body 23 has an axle 231. The wheel 22 is rotatably connected to an axle 231. The wheels 22 are driven to rotate by a travel drive motor 24 mounted on the vehicle body 23, so that the apparatus travels on the guide rail 21.

The slewing system 3 includes a turntable 31 and a slewing hydraulic cylinder 32. The turntable 31 is rotatably connected to the vehicle body 23 via a slewing bearing 33. One end of the rotary hydraulic cylinder 32 is hinged with the vehicle body 23, the other end is hinged with the turntable 31 or the rotary support 33, and the rotary hydraulic cylinder 32 forms a certain included angle with the center plane of the turntable 31, namely, the other end of the rotary hydraulic cylinder 32 is hinged with the side surface of one side of the turntable 31. The slewing hydraulic cylinder 32 is hinged with a slewing bearing 33 in the present embodiment. Preferably, there are two rotary hydraulic cylinders 32, and one end of each rotary hydraulic cylinder 32 is hinged to the vehicle body 23 at the same point and forms a certain included angle with each other, so that the other end is hinged to both sides of the turntable 31. This structure facilitates the rotation of the turntable 31.

The turntable 31 is rotated by contracting one of the two rotation hydraulic cylinders 32 and expanding the other. The turntable 31 of this structure is simple in structure.

The up-and-down swing system 4 includes a swing arm 41 and a swing hydraulic cylinder 42. The swing arm 41 is hinged to the turntable 31, preferably, the vicinity of the middle of the swing arm 41 is hinged to the turntable 31, so that the arm of force borne by the swing hydraulic cylinder 42 can be reduced, thereby improving the service life of the swing hydraulic cylinder 42. One end of the swing hydraulic cylinder 42 is hinged to the turntable 31, and the other end is hinged to the swing arm 41.

The swing arm 41 swings up and down by contraction and expansion of the swing cylinder 42. The up-and-down swinging system 4 with the structure has simple structure.

The telescopic system 5 comprises a telescopic arm 51, a driving sprocket 52, a driven sprocket 53, a telescopic drive motor 54 and a drive chain 55. One end of the telescopic arm 51 is slidably inserted into the swing arm 41, and the other end is connected to the drag head assembly 1. The driving sprocket 52 and the driven sprocket 53 are mounted at both ends of the swing arm 41, respectively. Preferably, the driving gear is mounted at the end of the swing arm 41 remote from the drag head assembly 1, so that the telescopic drive motor 54 is also mounted at this end, both remote from the high temperature of the rotary kiln and providing some assistance when swinging. The power output of the telescopic drive motor 54 is connected to the power input of the drive sprocket 52. The drive chain 55 is disposed between the drive sprocket and the driven sprocket 53, and meshes with the drive sprocket 52 and the driven sprocket 53, and both ends of the drive chain 55 are connected to one ends of the telescopic arms 51, respectively.

The telescopic arm 51 is driven to reciprocate linearly by the forward and reverse rotation of the telescopic driving motor 54, and the telescopic function of the telescopic arm 51 is realized.

In one embodiment, a swing arm idler assembly 400 is secured to one end of the swing arm 41. Swing arm idler assembly 400 includes two first idler side plates 401, a plurality of first support idlers 402, and a plurality of first guide idlers 403. The two first idler side plates 401 are disposed opposite each other and fixedly connected to each other.

The plurality of first support rollers 402 are equally divided into two groups, each group having no less than one first support roller 402, in this embodiment two first support rollers 402. The two sets of first support idlers 402 are respectively rotated on the upper and lower sides of the inner sides of the two first idler side plates 401.

The plurality of first guide rollers 403 are equally divided into two groups, each group is not less than one first guide roller 403, in this embodiment, each group has one first guide roller 403, and the two groups of first guide rollers 403 are respectively disposed on the left and right sides of the inner sides of the two first roller side plates 401.

The telescopic arm 51 passes through the swing arm idler assembly 400 and its outer peripheral surface collides with the plurality of first support idlers 402 and the plurality of first guide idlers 403, respectively.

A telescoping arm idler assembly 500 is fixedly mounted to one end of the telescoping arm 51. The telescoping arm idler assembly 500 includes two second idler side plates 501, a plurality of second support idlers 502, a plurality of second guide idlers 503, and a drive chain connection plate 504. The two second idler side plates 501 are distributed oppositely and are fixedly connected with each other.

The plurality of second support rollers 502 are equally divided into two groups, each group having not less than one second support roller 502, in this embodiment, two second support rollers 502. The two sets of second support idlers 502 are respectively rotated on the upper and lower sides of the inner sides of the two second idler side plates 501.

The plurality of second guide rollers 503 are equally divided into two groups, each group is not less than one second guide roller 503, in this embodiment, each group has one second guide roller 503, and the two groups of second guide rollers 503 are respectively rotatably mounted on the left and right sides of the inner sides of the two second roller side plates 501.

The transmission chain connecting plate 504 is fixedly installed at the top of the inner sides of the two second idler side plates 501, and two ends of the transmission chain connecting plate are respectively connected with two ends of the transmission chain 55.

The telescopic arm idler assembly 500 is located within the swing arm 41, and the inner peripheral surface of the swing arm 41 abuts against the plurality of second support idlers 502 and the plurality of second guide idlers 503.

Sliding friction between the swing arm 41 and the telescopic arm 51 is converted into rolling friction between the swing arm 41 and the telescopic arm idler assembly 500 and between the telescopic arm 51 and the swing arm idler assembly 400 by the swing arm idler assembly 400 and the telescopic arm idler assembly 500, thereby reducing friction. This structure helps to reduce friction.

Of course, the oscillating hydraulic cylinder 42 and the rotary hydraulic cylinder 32 are connected to the hydraulic system 6. In addition, since the temperature of the working environment of the device is high, the air duct 8 is installed at both ends of the swing arm 41, and the air duct 8 communicates with the cooling system 7.

The working principle of the invention is as follows:

in use, the movement of the device is effected by the rotation of the wheels 22 by the travel drive motor 24, so as to adjust the device to a suitable position. The turntable 31 is driven to rotate by the rotary hydraulic cylinder 32 to swing the drag head 111 to the left and right, thereby enlarging the cleaning range. The swing arm 41 is driven to swing up and down by the swing hydraulic cylinder 42, so that the drag head assembly 1 is inserted into the material to be cleaned. The telescopic arm 51 is driven to reciprocate linearly by the telescopic driving motor 54, so that the material is pulled back and cleaned out of the rotary kiln.

Meanwhile, when the piled balls are cleaned, because the piled balls are smaller, if the drag head assembly 1 with a larger tooth pitch is used for cleaning, the cleaning efficiency is low. Therefore, the first rake claw 12 and the second rake claw 13 can be separated by starting the driving motor 16, the working surface of the rake head 111 is increased while the tooth pitch is reduced, and the efficiency of cleaning the piled balls is improved.

When cleaning large blocks, if the drag head assembly 1 with a smaller pitch is used for cleaning, the drag teeth 100 are difficult to insert into the large blocks, and therefore the cleaning efficiency is low. In this way, by starting the driving motor 16, the first rake claw 12 and the second rake claw 13 are overlapped, so that the strength of the rake teeth 100 can be increased while the tooth pitch is increased, and the working efficiency is improved.

In addition, sometimes the bulk is too large, and if the tine 100 is too short, the force bearing surface may be too small to clean. In this manner, the length of the tines 100 can be changed by rotating the adjustment shaft 101 to facilitate cleaning.

In the description of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.

Claims

1. The utility model provides an automatic shifting block device of rotary kiln, includes drag head subassembly, its characterized in that: the drag head assembly includes: the rake head body, the first rake claw, the second rake claw, the first transmission shaft, the second transmission shaft and the driving motor,

the power output end of the driving motor is connected with the power input end of the second transmission shaft,

the harrow teeth of the first harrow claw and the second harrow claw comprise an adjusting shaft, a tooth body and a tooth head, the two ends of the adjusting shaft are respectively provided with a third thread section and a fourth thread section, the middle part is provided with an adjusting part, the thread pitches of the third thread section and the fourth thread section are the same, the spiral directions are opposite, the tooth body and the tooth head are respectively in threaded connection with the third thread section and the fourth thread section,

also comprises a walking system, a revolving system, an up-down swinging system and a telescopic system,

2. The rotary kiln automatic shifting block apparatus of claim 1, wherein: one end of the tooth body is provided with a sliding hole, one side of the sliding hole is provided with an adjusting port, one end of the tooth head is slidably arranged in the sliding hole, and the tooth body and one end of the tooth head are respectively in threaded connection with the third thread section and the fourth thread section.

3. The rotary kiln automatic shifting block apparatus of claim 2, wherein: the adjusting port is provided with a blocking cover, one end of the blocking cover is hinged with one end of the adjusting port, and the other end of the blocking cover is detachably connected with the adjusting port.

4. The rotary kiln automatic shifting block apparatus of claim 3, wherein: one end of the swing arm is provided with a swing arm carrier roller assembly, the swing arm carrier roller assembly comprises two first carrier roller side plates, a plurality of first supporting carrier rollers and a plurality of first guiding carrier rollers, the two first carrier roller side plates are oppositely arranged and fixedly connected with each other, the plurality of first supporting carrier rollers are equally divided into two groups, the two groups of first supporting carrier rollers are respectively arranged on the upper side and the lower side of the inner side of the two first carrier roller side plates, the plurality of first guiding carrier rollers are equally divided into two groups, the two groups of first guiding carrier rollers are respectively arranged on the left side and the right side of the inner side of the two first carrier roller side plates,