CN216302282U - Multi-section type hydraulic telescopic arm of self-moving tail of coal mine belt conveyor - Google Patents
Multi-section type hydraulic telescopic arm of self-moving tail of coal mine belt conveyor Download PDFInfo
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- CN216302282U CN216302282U CN202122543673.XU CN202122543673U CN216302282U CN 216302282 U CN216302282 U CN 216302282U CN 202122543673 U CN202122543673 U CN 202122543673U CN 216302282 U CN216302282 U CN 216302282U
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Abstract
The utility model discloses a multi-section hydraulic telescopic arm of a self-moving machine tail of a coal mine belt conveyor, which comprises a first telescopic arm connected to the self-moving machine tail, a second telescopic arm sleeved in the first telescopic arm, a third telescopic arm sleeved in the second telescopic arm, a heightening oil cylinder respectively connected with the first telescopic arm and the self-moving machine tail and used for realizing the up-and-down motion of the multi-section hydraulic telescopic arm relative to the self-moving machine tail, a first telescopic oil cylinder respectively connected with the first telescopic arm and the second telescopic arm and used for realizing the front-and-back telescopic motion of the second telescopic arm relative to the first telescopic arm, and a second telescopic oil cylinder respectively connected with the second telescopic arm and the third telescopic arm and used for realizing the front-and-back telescopic motion of the third telescopic arm relative to the second telescopic arm. Through the three-section telescopic arm matched with the pulling and moving stroke of the self-moving tail, the intermediate material of the belt conveyor can be changed into seven-cutter one-time disassembly and outward transportation, so that the shutdown influence time of a production shift is saved, and the production efficiency is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of underground coal mine transportation equipment, and particularly relates to a multi-section hydraulic telescopic arm of a self-moving tail of a coal mine belt conveyor.
Background
At present, a belt conveyor on a coal mining working face is generally provided with a self-moving tail, the self-moving tail is basically required to be pulled and moved every shift in production, and meanwhile, intermediate materials such as an H frame, a side beam, a saddle frame, an upper bottom carrier roller and the like of the belt conveyor are removed. The self-moving tail is limited by the length of the self-moving tail and a pulling jack thereof, the self-moving tail needs to be pushed by three knives, and when the self-moving tail is pushed, intermediate materials such as a belt conveyor H frame, a side beam, a saddle frame, an upper bottom carrier roller and the like need to be correspondingly dismantled and transported outwards for withdrawing (dismantling and transporting outwards by three knives), so that the occupied time is long, and the production efficiency is influenced.
Accordingly, further developments and improvements are still needed in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a multi-section hydraulic telescopic arm for a self-moving tail of a coal mine belt conveyor is provided, and the following technical scheme is provided:
a coal mine belt conveyor self-moving tail multi-section type hydraulic telescopic arm comprises a first telescopic arm connected to a self-moving tail, a second telescopic arm sleeved in the first telescopic arm, a third telescopic arm sleeved in the second telescopic arm, a heightening oil cylinder connected with the first telescopic arm and the self-moving tail respectively and used for achieving up-and-down motion of the multi-section type hydraulic telescopic arm relative to the self-moving tail, a first telescopic oil cylinder connected with the first telescopic arm and the second telescopic arm respectively and used for achieving front-and-back stretching of the second telescopic arm relative to the first telescopic arm, and a second telescopic oil cylinder connected with the second telescopic arm and the third telescopic arm respectively and used for achieving front-and-back stretching of the third telescopic arm relative to the second telescopic arm.
Further, first flexible arm, the flexible arm of second and the flexible arm of third comprise two telescopic sleeves of horizontal symmetry and connect two telescopic sleeves' at least a crossbeam, two liang of telescopic sleeves in first flexible arm, the flexible arm of second and the flexible arm of third cup joint in proper order, it is provided with two sets of and two sets of hydro-cylinder symmetric connections of increaseing on two telescopic sleeves of first flexible arm to heighten the hydro-cylinder, two telescopic sleeves of first telescopic cylinder corresponding first telescopic arm and two telescopic sleeve symmetries of the flexible arm of second are provided with two sets ofly, two telescopic sleeve symmetries of the flexible arm of second and the flexible arm of third of second telescopic cylinder corresponding are provided with two sets ofly.
Furthermore, the tail end of the first telescopic arm is connected with the self-moving tail through a first connecting lug seat and a pin shaft.
Further, first flexible arm is kept away from and is provided with the second engaging lug seat from moving tail one end bottom and corresponding first flexible hydro-cylinder, and the flexible arm of second is kept away from first flexible arm one end bottom and is provided with the third engaging lug seat corresponding first flexible hydro-cylinder, and the tailpiece of the piston rod of first flexible hydro-cylinder is connected on the third engaging lug seat, and first flexible hydro-cylinder keeps away from piston rod one end and connects on the second engaging lug seat.
Furthermore, the second telescopic arm side end is provided with a fourth connecting lug seat corresponding to the second telescopic oil cylinder, the third telescopic arm side end is provided with a fifth connecting lug seat corresponding to the second telescopic oil cylinder, the piston rod end of the second telescopic oil cylinder is connected to the fifth connecting lug seat, and the second telescopic oil cylinder is far away from the piston rod end and is connected to the fourth connecting lug seat.
Furthermore, the telescopic sleeve in the first telescopic arm is a Z-shaped telescopic sleeve consisting of two horizontal parts and an inclined part connected with the two horizontal parts, and the piston rod end of the heightening oil cylinder is connected to the bottom end of the inclined part.
Furthermore, this colliery belt conveyor is from moving tail multiunit formula hydraulic telescoping arm still includes to be connected on the third telescopic arm and be located the support frame of keeping away from second telescopic arm one end bottom.
Further, the support frame is height-adjustable support frame, and height-adjustable support frame includes by the horizontal pole and connect respectively in the H frame that two vertical sleeves at horizontal pole both ends are constituteed, set up respectively in two vertical sleeve below and with two vertical sleeve sliding connection's two bases, vertical sleeve passes through adjusting bolt with the base and adjusts vertical sleeve for the height of base, corresponds adjusting bolt on vertical sleeve and the base and all is provided with a plurality of adjusting screw holes along vertical direction.
Furthermore, the coal mine belt conveyor self-moving tail multi-section type hydraulic telescopic arm further comprises an upper carrier roller group and a bottom carrier roller group which are rotatably connected to the first telescopic arm, the second telescopic arm and the third telescopic arm.
Furthermore, the multi-section hydraulic telescopic arm of the self-moving tail of the coal mine belt conveyor further comprises a pipeline frame group which is connected to the first telescopic arm so that the hydraulic pipeline routing is attractive.
In summary, compared with the prior art, the utility model has the following beneficial effects:
(1) through the three-section telescopic arm matched with the pulling travel of the self-moving tail, the intermediate material of the belt conveyor can be changed from the original three-cutter one-disassembly and outward transportation into the seven-cutter one-disassembly and outward transportation, so that the original production class needs to be shut down and disassembled every class, the intermediate material of the outward transportation belt conveyor is changed into the production class which is not shut down, the overhaul class concentrates on disassembling the intermediate material and withdrawing the outward transportation, the shutdown influence time of the production class is saved, and the production efficiency is greatly improved.
(2) The front and back extension of the three-section telescopic arm is realized by adopting two groups of first telescopic oil cylinders and two groups of second telescopic oil cylinders, and the integral lifting and descending of the telescopic arm are realized by using two groups of heightening oil cylinders; the synchronous action of two groups of first telescopic oil cylinders or two groups of second telescopic oil cylinders or heightening oil cylinders is realized by using hydraulic drive and installing a balance valve; the pipeline frame arranged on the first telescopic arm realizes reliable and attractive routing of the hydraulic pipeline.
(3) The telescopic sleeves in the first telescopic arm, the second telescopic arm and the third telescopic arm are of hollow structures, so that low quality and high strength are guaranteed, fit gaps among the telescopic sleeves in the first telescopic arm, the second telescopic arm and the third telescopic arm are appropriate (2.5 mm each), and the telescopic arms are flexible and free of bending.
(4) The multi-section telescopic arm at the tail of the self-moving machine is provided with an upper carrier roller and a lower carrier roller, so that the stable operation of the belt conveyor is ensured when the three sections of telescopic arms are all extended out; meanwhile, the adhesive tape can be adjusted and deviated by adjusting the height of the single telescopic arm.
(5) The height-adjustable support frame arranged at the foremost end of the multi-section type telescopic arm of the self-moving tail is adjustable, and can be matched with the lifting and lowering functions of the multi-section type telescopic arm of the self-moving tail to well adapt to the roadway fluctuation condition.
Drawings
Fig. 1 is a schematic structural view of a multi-section hydraulic telescopic boom at the tail of a self-moving machine of a coal mine belt conveyor in embodiment 1 of the utility model;
in the drawings: 110. a first telescopic arm; 120. a second telescopic arm; 130. a third telescopic arm; 140. heightening the oil cylinder; 150. a first telescopic cylinder; 160. a second telescopic cylinder; 170. a first connecting lug seat; 180. a second connecting lug seat; 190. a third connecting lug seat; 210. a fourth connecting lug seat; 220. a fifth connecting lug seat; 230. h frame; 240. a base.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description is given for clear and complete description of the technical solution of the present invention with reference to the embodiments of the present invention, and other similar embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
Detailed description of the preferred embodiment 1
As shown in fig. 1, a coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm includes a first telescopic arm 110 connected to a self-moving tail, a second telescopic arm 120 sleeved in the first telescopic arm 110, a third telescopic arm 130 sleeved in the second telescopic arm 120, an elevation cylinder 140 connected to the first telescopic arm 110 and the self-moving tail respectively for realizing up-and-down movement of the multi-section hydraulic telescopic arm relative to the self-moving tail, a first telescopic cylinder 150 connected to the first telescopic arm 110 and the second telescopic arm 120 respectively for realizing front-and-back extension of the second telescopic arm 120 relative to the first telescopic arm 110, and a second telescopic cylinder 160 connected to the second telescopic arm 120 and the third telescopic arm 130 respectively for realizing front-and-back extension of the third telescopic arm 130 relative to the second telescopic arm 120.
Further, the first telescopic arm 110, the second telescopic arm 120 and the third telescopic arm 130 are respectively composed of two transversely symmetrical telescopic sleeves and at least one cross beam for connecting the two telescopic sleeves, and the two transversely symmetrical telescopic sleeves are connected together by the cross beam, so that the stability and reliability of the overall structure of the multi-section hydraulic telescopic arm are improved. Two telescopic sleeves in the first telescopic arm 110, the second telescopic arm 120 and the third telescopic arm 130 are sleeved in two pairs in sequence, the heightening oil cylinder 140 is provided with two groups and two groups of heightening oil cylinders 140 which are symmetrically connected to the two telescopic sleeves of the first telescopic arm 110, the first telescopic oil cylinder 150 is symmetrically provided with two groups corresponding to the two telescopic sleeves of the first telescopic arm 110 and the two telescopic sleeves of the second telescopic arm 120, and the second telescopic oil cylinder 160 is symmetrically provided with two groups corresponding to the two telescopic sleeves of the second telescopic arm 120 and the two telescopic sleeves of the third telescopic arm 130.
Specifically, in this embodiment, the two telescopic sleeves in the first telescopic arm 110 are connected together through two cross beams, and the cross beams are disposed near one end of the second telescopic arm 120. Two telescopic sleeves in the second telescopic arm 120 are connected together by a cross beam and the cross beam is arranged near one end of the third telescopic arm 130. The two telescoping sleeves of the third telescoping arm 130 are connected together by a cross-piece that is located away from one end of the second telescoping arm 120.
Further, the tail end of the first telescopic arm 110 is connected with the self-moving tail by arranging a first connecting lug seat 170 and a pin shaft.
Further, the first telescopic arm 110 is far away from and is provided with second connecting lug seat 180 corresponding to first telescopic cylinder 150 from moving tail one end bottom, the second telescopic arm 120 is far away from first telescopic arm 110 one end bottom and is provided with third connecting lug seat 190 corresponding to first telescopic cylinder 150, the piston rod end of first telescopic cylinder 150 is connected on third connecting lug seat 190, first telescopic cylinder 150 is far away from piston rod one end and is connected on second connecting lug seat 180, realize that second telescopic arm 120 is flexible around for first telescopic arm 110 under the effect of first telescopic cylinder 150.
Further, the side end of the second telescopic arm 120 is provided with a fourth connecting lug seat 210 corresponding to the second telescopic cylinder 160, the side end of the third telescopic arm 130 is provided with a fifth connecting lug seat 220 corresponding to the second telescopic cylinder 160, the piston rod end of the second telescopic cylinder 160 is connected to the fifth connecting lug seat 220, the piston rod end of the second telescopic cylinder 160 is far away from the second telescopic cylinder 160 and is connected to the fourth connecting lug seat 210, and the third telescopic arm 130 can be stretched back and forth relative to the second telescopic arm 120 under the action of the second telescopic cylinder 160.
Furthermore, the telescopic sleeve in the first telescopic boom 110 is a zigzag telescopic sleeve composed of two horizontal portions and an inclined portion connecting the two horizontal portions, and the piston rod end of the heightening oil cylinder 140 is connected to the bottom end of the inclined portion, so that the overall up-and-down action of the multi-section hydraulic telescopic boom is realized, and the multi-section hydraulic telescopic boom is effectively applicable to the fluctuation situation of a field bottom plate and also can be effectively used for adjusting the deviation of an adhesive tape. The Z-shaped telescopic sleeve leaves a setting space for the height of the upper belt and the bottom belt cleaner of the belt conveyor.
Further, this colliery belt conveyor is from moving tail multiunit formula hydraulic telescoping arm still includes and connects on third telescopic arm 130 and be located the support frame of keeping away from second telescopic arm 120 one end bottom.
Furthermore, the support frame is a height-adjustable support frame. The height-adjustable support frame comprises an H frame 230 consisting of a cross rod and two vertical sleeves connected to two ends of the cross rod respectively, and two bases 240 which are arranged below the two vertical sleeves and are connected with the two vertical sleeves in a sliding mode, the vertical sleeves and the bases 240 adjust the height of the vertical sleeves relative to the bases 240 through adjusting bolts, and a plurality of adjusting threaded holes are formed in the vertical sleeves and the bases 240 correspondingly and are formed in the vertical direction through adjusting bolts.
Specifically, the tops of the two ends of the H-frame 230 are correspondingly connected with the bottoms of the ends of the two sleeves in the first telescopic boom 110 through bolts, so that the multi-section hydraulic telescopic boom is supported and adjusted, and the long-time stress of the heightening oil cylinder 140 is avoided; meanwhile, the vertical sleeve can be adjusted up and down relative to the base 240, and can effectively adapt to field conditions.
Further, the multi-section hydraulic telescopic arm of the self-moving tail of the coal mine belt conveyor further comprises an upper roller group and a bottom roller group (not shown in the figure) which are rotatably connected to the first telescopic arm 110, the second telescopic arm 120 and the third telescopic arm 130. The upper carrier roller group and the lower carrier roller group are arranged, so that the stable operation of the belt conveyor is ensured when the three telescopic arms are all extended out; meanwhile, the adhesive tape can be adjusted and deviated by adjusting the height of the single telescopic arm.
Specifically, upper portion bearing roller group includes a plurality of upper portion bearing rollers, corresponds each upper portion bearing roller on first flexible arm 110, the flexible arm 120 of second and the flexible arm 130 of third and all is provided with bearing roller support, and in this embodiment, lower part bearing roller group includes a plurality of bottom bearing rollers, and bottom bearing roller support is connected with bottom bearing roller support corresponding to bottom bearing roller in one side of the bottom of bearing roller support. A bottom carrier roller is rotatably connected to the cross bar of the H-frame 230, and a bottom carrier roller bracket is arranged on the outward side of the cross bar corresponding to the bottom carrier roller. The carrier roller support corresponds the crossbeam setting and connects in the top of crossbeam, and the both ends that the both ends top of crossbeam corresponds carrier roller support are provided with the support, links together through connecting bolt detachable between carrier roller support and the support.
Further, the multi-section hydraulic telescopic arm at the self-moving tail of the coal mine belt conveyor further comprises a pipeline frame group which is connected to the first telescopic arm 110 so as to enable hydraulic pipelines to be attractive in routing.
The multi-section hydraulic telescopic arm is arranged on the self-moving tail of the belt conveyor on the coal face, is divided into three sections, adopts a first telescopic oil cylinder 150 and a second telescopic oil cylinder 160 to realize front and back telescopic, and realizes up and down lifting and descending through an heightening oil cylinder 140. And lifting and withdrawing the multi-section hydraulic telescopic arm along with the forward movement of the self-moving tail. Before the multi-section hydraulic telescopic arm is not used, the H frame 230, the side beam, the saddle frame and the carrier roller must be retracted when the self-moving tail is pulled and moved each time; after the multi-section hydraulic telescopic arm is used, the intermediate material of the belt conveyor needs to be withdrawn only when the three sections of telescopic arms are completely withdrawn, the intermediate material of the belt conveyor can be disassembled from three cutters and transported outside into seven cutters, so that the intermediate material of the belt conveyor needs to be disassembled in a halt mode in each production class, the intermediate material of the belt conveyor is changed into the intermediate material of the belt conveyor which is not disassembled in the production class, the maintenance class intensively disassembles and transports the intermediate material outside, the three sections of telescopic arms at the tail of the self-moving machine are all extended out, the multi-section hydraulic telescopic arm reduces the landing under the action of the heightening oil cylinder 140 and enters the next cycle, the shutdown influence time of the production class is saved, and the production efficiency is greatly improved.
The multi-section hydraulic telescopic arm for the self-moving tail of the coal mine belt conveyor greatly improves the mechanical and hydraulic level of the self-moving tail, thoroughly changes the existing production organization mode, greatly improves the production efficiency and has wide popularization significance.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Claims (10)
1. The utility model provides a colliery belt conveyor is from moving multiunit formula hydraulic telescoping arm of tail which characterized in that: the lifting mechanism comprises a first telescopic arm connected to a self-moving tail, a second telescopic arm sleeved in the first telescopic arm, a third telescopic arm sleeved in the second telescopic arm, a heightening oil cylinder connected with the first telescopic arm and the self-moving tail respectively and used for achieving up-and-down movement of the multi-section hydraulic telescopic arm relative to the self-moving tail, a first telescopic oil cylinder connected with the first telescopic arm and the second telescopic arm respectively and used for achieving front-and-back stretching of the second telescopic arm relative to the first telescopic arm, and a second telescopic oil cylinder connected with the second telescopic arm and the third telescopic arm respectively and used for achieving front-and-back stretching of the third telescopic arm relative to the second telescopic arm.
2. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: first flexible arm, the flexible arm of second and the flexible arm of third comprise two telescopic sleeves of horizontal symmetry and connect two telescopic sleeves' at least crossbeam, two liang of telescopic sleeves in first flexible arm, the flexible arm of second and the flexible arm of third cup joint in proper order, it is provided with two sets ofly and two sets of hydro-cylinder symmetric connections of increaseing on two telescopic sleeves of first flexible arm to heighten the hydro-cylinder, two telescopic sleeve symmetries of two telescopic sleeves and the flexible arm of second that first flexible hydro-cylinder corresponds first flexible arm are provided with two sets ofly, two telescopic sleeve symmetries of two telescopic sleeves and the flexible arm of third that the flexible hydro-cylinder of second corresponds second are provided with two sets ofly.
3. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: the tail end of the first telescopic arm is connected with the self-moving tail through a first connecting lug seat and a pin shaft.
4. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: the first telescopic boom is kept away from and is provided with the second engaging lug seat corresponding to first telescopic cylinder from tail one end bottom of moving, and the second telescopic boom is kept away from first telescopic boom one end bottom and is provided with the third engaging lug seat corresponding to first telescopic cylinder, and the tailpiece of the piston rod of first telescopic cylinder is connected on the third engaging lug seat, and first telescopic cylinder keeps away from piston rod one end and connects on the second engaging lug seat.
5. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: the second telescopic arm side is provided with a fourth connecting lug seat corresponding to the second telescopic oil cylinder, the third telescopic arm side is provided with a fifth connecting lug seat corresponding to the second telescopic oil cylinder, the piston rod end of the second telescopic oil cylinder is connected to the fifth connecting lug seat, and the second telescopic oil cylinder is far away from the piston rod end and is connected to the fourth connecting lug seat.
6. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 2, characterized in that: the telescopic sleeve in the first telescopic arm is a Z-shaped telescopic sleeve consisting of two horizontal parts and an inclined part connected with the two horizontal parts, and the piston rod end of the heightening oil cylinder is connected to the bottom end of the inclined part.
7. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: the support frame is connected to the third telescopic arm and located at the bottom of one end far away from the second telescopic arm.
8. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 7, characterized in that: the support frame is height-adjustable support frame, and height-adjustable support frame includes by the horizontal pole and connect respectively in the H frame that two vertical sleeves at horizontal pole both ends are constituteed, set up respectively in two vertical sleeve below and with two vertical sleeve sliding connection's two bases, vertical sleeve and base pass through adjusting bolt and adjust the height of vertical sleeve for the base, correspond adjusting bolt on vertical sleeve and the base and all be provided with a plurality of adjusting screw holes along vertical direction.
9. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: the telescopic arm mechanism further comprises an upper carrier roller group and a bottom carrier roller group which are rotatably connected to the first telescopic arm, the second telescopic arm and the third telescopic arm.
10. The coal mine belt conveyor self-moving tail multi-section hydraulic telescopic arm according to claim 1, characterized in that: the hydraulic pipeline routing device further comprises a pipeline frame group which is connected to the first telescopic arm so as to enable the hydraulic pipeline routing to be attractive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543673.XU CN216302282U (en) | 2021-10-19 | 2021-10-19 | Multi-section type hydraulic telescopic arm of self-moving tail of coal mine belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122543673.XU CN216302282U (en) | 2021-10-19 | 2021-10-19 | Multi-section type hydraulic telescopic arm of self-moving tail of coal mine belt conveyor |
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| CN202122543673.XU Active CN216302282U (en) | 2021-10-19 | 2021-10-19 | Multi-section type hydraulic telescopic arm of self-moving tail of coal mine belt conveyor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446540A (en) * | 2023-12-04 | 2024-01-26 | 南通裕鑫智能装备有限公司 | Go up rice steamer distributing device and go up rice steamer robot |
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2021
- 2021-10-19 CN CN202122543673.XU patent/CN216302282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446540A (en) * | 2023-12-04 | 2024-01-26 | 南通裕鑫智能装备有限公司 | Go up rice steamer distributing device and go up rice steamer robot |
| CN117446540B (en) * | 2023-12-04 | 2024-04-30 | 南通裕鑫智能装备有限公司 | Go up rice steamer distributing device and go up rice steamer robot |
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