CN107444871B - Rail support type belt conveyor - Google Patents
Rail support type belt conveyor Download PDFInfo
- Publication number
- CN107444871B CN107444871B CN201710600909.4A CN201710600909A CN107444871B CN 107444871 B CN107444871 B CN 107444871B CN 201710600909 A CN201710600909 A CN 201710600909A CN 107444871 B CN107444871 B CN 107444871B
- Authority
- CN
- China
- Prior art keywords
- rail
- belt
- support
- supporting
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/10—Arrangements of rollers
- B65G39/12—Arrangements of rollers mounted on framework
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
- Framework For Endless Conveyors (AREA)
Abstract
The invention discloses a track supporting type belt conveyor, wherein annular conveying belts are sleeved on rollers arranged at the head end and the tail end of a frame, the upper part of each conveying belt is used as an upper conveying belt, the lower part of each conveying belt is used as a lower conveying belt, a supporting device is arranged below each upper conveying belt, and a lower carrier roller is arranged below each lower conveying belt; the supporting device comprises a supporting rack, wherein a supporting roller, an upper rail, a lower rail, an arc-shaped rail, a connecting belt and a bracket are arranged on the supporting rack, and wheels at two ends of the bracket respectively move on the rails; the support supports the conveyor belt and enables the conveyor belt to form a groove, and the power for the wheels to walk is provided by friction force of the conveyor belt and the support. The upper conveyer belt is supported by the supporting device, the lower conveyer belt is supported by the traditional carrier roller, and the connecting belt is flat, so that excessive stress concentration can not be generated at the roller, and the bracket can directly bypass the roller without being separated from the connecting belt.
Description
Technical field:
the invention relates to the technical field of material conveying, in particular to a track supporting type belt conveyor.
The background technology is as follows:
in a conventional track belt conveyor, a towing trolley on a track supports a conveyor belt, the conveyor belt moves forward along with the towing trolley, the conveyor belt needs to be separated from the towing trolley at a head-tail roller or at other positions of the roller, the conveyor belt is downward around the roller, and the towing trolley is redirected away from an original track and returns to a lower-layer track to drag the lower-layer conveyor belt. The device for dragging the trolley around the conveyer belt at the roller has complex structure, large occupied area and high cost; the towing trolley is easy to derail in the processes of separation, rail replacement and rail combination, and the system safety is poor; the loop device formed by connecting the full-length dragging trolleys of the line is an integral body which can not be divided, and has larger structure and inconvenient installation.
The invention comprises the following steps:
the technical problems to be solved by the invention are as follows: overcomes the defects of the prior art and provides the track supporting type belt conveyor which has the advantages of low cost, low energy consumption, simple structure, small occupied area, good stability, low noise and good safety.
The technical scheme of the invention is as follows:
the track supporting type belt conveyor comprises a frame, wherein rollers are respectively arranged at the head end and the tail end of the frame, an annular conveying belt is sleeved on the rollers, the upper part of the conveying belt is used as an upper conveying belt, the lower part of the conveying belt is used as a lower conveying belt, a supporting device is arranged below the upper conveying belt, and a lower carrier roller is arranged below the lower conveying belt; the support device comprises a support frame, wherein two upper rails parallel to each other are respectively arranged on the upper portion of the support frame, two lower rails parallel to each other are respectively arranged on the lower portion of the support frame, support rollers are respectively arranged at the head end and the tail end of the support frame, annular connecting belts are sleeved on the support rollers, brackets are arranged at intervals on the connecting belts, wheels are respectively arranged at the two ends of each bracket, arc-shaped rails are respectively arranged at the head end and the tail end of the support frame, and the upper end and the lower end of each arc-shaped rail are respectively matched with the upper rails and the lower rails, so that the wheels can be stably switched between the upper rails and the lower rails; the support supports the conveyor belt and enables the conveyor belt to be in a groove shape or an arc shape, the power for the wheels to walk is provided by friction force of the conveyor belt and the support, or the power for the wheels to walk is provided by the supporting roller and the connecting belt, and the supporting roller is connected with a driving mechanism arranged on the supporting device.
The upper carrier roller is arranged on the frame between the supporting device and the roller and is used for supporting the conveyer belt between the supporting device and the roller, and the upper carrier roller is of an inverted trapezoid structure.
The connecting belt is a flat belt, the supporting roller is cylindrical, the support is of an inverted trapezoid structure, and the number of wheels at two ends of the support is more than one.
The connecting belt is a steel wire rope, the supporting rollers are steel wire rope pulleys, the number of the supporting rollers at the head end and the tail end of the supporting frame is more than two, the number of the steel wire ropes is matched with the number of the supporting rollers, the support is of an inverted trapezoid structure, and the number of the wheels at the two ends of the support is more than one.
The upper rail is characterized in that an attractive force rail is arranged above the upper rail, a limit rail is arranged on the outer side of the arc rail, the lower end of the limit rail corresponds to the lower rail, the wheel moves between the attractive force rail and the upper rail and between the limit rail and the arc rail, the wheel moves on the lower rail to form annular movement, a strong magnet is arranged on an axle of the wheel, the upper rail, the limit rail, the arc rail and the lower rail are made of diamagnetism or paramagnetic materials, the attractive force rail is made of magnetic materials, and an adsorption force is generated between the attractive force rail and the strong magnet, so that the supporting force of the upper rail, which is born by the wheel, is greatly reduced, and energy consumption and noise are reduced. The diamagnetic or paramagnetic material is aluminum alloy or stainless steel.
The wheel is of a train wheel type structure and is provided with a rim, the rim is used as a limiting mechanism, or grooves are formed in the upper guide rail and the lower guide rail, the wheel runs in the grooves, and the grooves form the limiting mechanism.
The beneficial effects of the invention are as follows:
1. the supporting devices below the upper conveying belt can be one or a plurality of supporting devices at intervals, and can be connected end to jointly support the upper conveying belt, and each supporting device is equivalent to a module and is convenient to install; the lower conveyer belt is supported by the traditional carrier roller, and the connecting belt is flat, so that excessive stress concentration can not be generated at the roller, the support can directly bypass the roller without being separated from the connecting belt, the occupied area at the separation position of the roller is small, and the system stability is good.
2. The invention adopts the wheels on the bracket to replace the carrier rollers in the prior art, converts various resistances between the carrier rollers and the adhesive tape into rigid rolling friction between the wheels and the guide rail, obviously reduces the conveying resistance through the change of a mechanical structure, and greatly reduces the loss power of the conveyor; and the wheels run stably on the track, so that the belt speed can be increased, and the overall size of the conveyor is reduced, so that the cost of the conveyor is reduced.
3. The supporting device is provided with the limit rail, the wheels are limited by the limit rail when passing through the lower rail from the arc rail, so that the wheels can be stably transited from the arc rail to the lower rail which is not on the same curved surface with the arc rail, and the wheels are also limited by the limit rail when transiting from the lower rail to the arc rail, so that the stability is good.
4. The connecting belt can also adopt a steel wire rope, the supporting roller adopts a steel wire rope pulley, the bracket is fixed on the steel wire rope at intervals, and the steel wire rope circularly moves around the steel wire rope pulley, so that the structure is simplified.
5. The invention adopts the gravitation track and the strong magnet sheet, so that the force born by the wheels is reduced during running, the size of the wheels can be reduced, the gravity counteracted by the magnetic force almost does not consume energy, and the energy consumption is further reduced; the rails to which the wheels are subjected during operation give them reduced forces and reduced noise.
6. The invention can reduce the power consumption of the conveyor, improve the running stability of the conveyor belt to improve the belt speed and further reduce the cost, is easy to popularize and implement, and has good economic benefit.
Description of the drawings:
FIG. 1 is a schematic view of a length of a head of a track-supported belt conveyor of the present invention;
FIG. 2 is a schematic view of a support device of the track-supported belt conveyor of the present invention;
FIG. 3 is a schematic view of another support device of the track-supported belt conveyor of the present invention;
FIG. 4 is a schematic view of an improved support device for a track-supported belt conveyor according to the present invention;
fig. 5 is a schematic view of a rack with two pairs of wheels for a track-supported belt conveyor of the present invention.
The specific embodiment is as follows:
embodiment one: referring to fig. 1-2, 1-roller, 2-conveyer belt, 3-frame, 4-upper roller, 5-lower roller, 6-supporting device, 7-supporting frame, 8-upper rail, 9-arc rail, 10-limit rail, 11-lower rail, 12-supporting roller, 13-connecting belt, 14-bracket, 15-wheel.
As shown in fig. 1, the track-supported belt conveyor includes a drum 1, a conveyor belt 2, a frame 3, an upper carrier roller 4, a lower carrier roller 5, and a supporting device 6. The head and tail of the upper conveyer belt are supported by the upper carrier roller 4, other length sections of the upper conveyer belt are supported by the supporting device 6, and other parts are similar to the structure of the existing carrier roller conveyer.
Fig. 2 is a schematic view of a support device, one supporting a length of upper conveyor belt, and one or more support devices combined together to collectively support the upper conveyor belt.
The structure of the supporting device is similar to that of a track type belt conveyor, and the supporting device comprises a bracket device supporting frame 7, an upper track 8, an arc-shaped track 9, a limit track 10, a lower track 11, a supporting device supporting roller 12, a connecting belt 13, a bracket 14 and wheels 15 on the bracket 14, wherein the supporting device supporting roller 12, the connecting belt 13 is sleeved and wound on the supporting device supporting roller 12, the bracket 14 is fixed on the connecting belt 13 and integrated with the connecting belt 13, the wheels 15 are fixed on the bracket 14 and can freely rotate around an axle on the bracket 14, the bracket 14 supports an upper conveying belt and enables the upper conveying belt to form a groove, the upper conveying belt is pressed on the bracket 14, and the upper conveying belt drives the connecting belt 13 to operate together through friction force with the bracket 14. Wheels 15 on two sides of the support 14 run on a track, the track is an annular track formed by an upper track 8, an arc-shaped track 9, a limit track 10 and a lower track 11, and the support 14 circularly moves around the annular track. The wheels 15 are limited by the limiting rails 10 when passing through the lower rail 11 from the arc-shaped rail 9, so that the wheels 15 can smoothly transition from the arc-shaped rail 9 to the lower rail 11 which is not on the same curved surface, and the wheels 15 are also limited by the limiting rails 10 to smoothly transition when transitioning from the lower rail 11 to the arc-shaped rail 9.
The upper conveyor belt is grooved by the brackets 14, the connecting belt 13 is flat, and the connecting belt 13 does not cause great stress concentration when passing through the supporting device to support the roller 12, so that the brackets 14 directly bypass the supporting device to support the roller 12 without separation.
The conveyor belt is supported by the upper carrier rollers 4 of the trough type without a lower supporting device 6 at the positions of the head end and the tail end close to the roller, and is also supported by a buffer carrier roller or a buffer bed at the charging position as a common carrier roller supported conveyor. The conveyor is of course also provided with tensioning means, which are not indicated in the present invention, only by changing the way in which the upper conveyor belt is supported.
Embodiment two: referring to fig. 3, a 16-wire rope, 17-wire rope pulley is shown. This embodiment is substantially the same as the first embodiment in that the description is omitted except that: the connecting belt 13 is replaced by a steel wire rope 16, the supporting roller 12 is replaced by a steel wire rope pulley 17, the brackets 14 are fixed on the steel wire rope 16 at intervals, and the steel wire rope 16 circularly moves around the steel wire rope pulley 17.
The supporting device on the whole conveyor can be the supporting device shown in fig. 2, the supporting device shown in fig. 3 or a combination of the supporting device and the supporting device, and the supporting device can be selected according to requirements.
Embodiment III: referring to fig. 4, an 18-attractive track, a 19-strong magnet is shown. This embodiment is substantially the same as the first embodiment in that the description is omitted except that: the upper rail 8, the limit rail 10 and the lower rail 11 are made of diamagnetic or paramagnetic materials, such as aluminum alloy, and do not generate attraction force with the magnet, and the strong magnet sheet 19 (19 is made of strong magnetic permanent magnet materials) is fixed on the axle of the wheel, so that the distance from the strong magnet sheet 19 to the attractive rail 18 is small, and most of the gravity of materials, conveying belts, brackets and the like on the wheel is converted into the attraction force of the attractive rail 18 to the strong magnet sheet 19, so that the supporting force of the upper rail 8 on the wheel is greatly reduced; the gravity of the conveyor belt, carriage, etc. is less than the attraction of the attraction rail 18 to the ferromagnetic piece 19 when empty, the wheels have a tendency to move upward but are constrained by the attraction rail 18, the wheels exert an upward pressure on the vertical rail of the attraction rail 18, and the attraction rail 18 exerts a downward force on the vertical rail of the wheels. The force applied to the wheel is reduced during operation, so that the size of the wheel can be reduced, and the gravity counteracted by the magnetic force hardly consumes energy, so that the energy consumption of the invention is further reduced; the rails to which the wheels are subjected during operation give them reduced forces and reduced noise.
The support 14 of the present invention with two pairs of wheels 15 is shown in fig. 5, and the wheels on the support may be two or more pairs in order to increase the stability of the support 14 in running.
Preferably, the interval between the two supporting devices can be provided with an anti-deviation carrier roller which is the same as the common belt conveyor anti-deviation carrier roller so as to prevent the conveyor belt from deviating. The rack 14 may be a trough type (inverted trapezoid structure), or may be a circular arc or other shape having a larger loading area.
Of course, the support means may also have a driving force in order to allow a longer length of the individual conveyor or to reduce the tension of the conveyor belt, and the drum or the wire rope pulley may be connected to the driving means.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, and any simple modification made according to the technical spirit of the present invention still falls within the scope of the present invention.
Claims (5)
1. The utility model provides a track support formula belt conveyor, contains the frame, the cylinder is installed respectively at the head and the tail both ends of frame, the cover is equipped with annular conveyer belt on the cylinder, the part that the conveyer belt is in the top is as last conveyer belt, and the part that is in the below is as lower conveyer belt, characterized by: a supporting device is arranged below the upper conveying belt, and a lower carrier roller is arranged below the lower conveying belt; the support device comprises a support frame, wherein two upper rails parallel to each other are respectively arranged on the upper portion of the support frame, two lower rails parallel to each other are respectively arranged on the lower portion of the support frame, support rollers are respectively arranged at the head end and the tail end of the support frame, annular connecting belts are sleeved on the support rollers, brackets are arranged at intervals on the connecting belts, wheels are respectively arranged at the two ends of each bracket, arc-shaped rails are respectively arranged at the head end and the tail end of the support frame, and the upper end and the lower end of each arc-shaped rail are respectively matched with the upper rails and the lower rails, so that the wheels can be stably switched between the upper rails and the lower rails; the support supports the conveyor belt and enables the conveyor belt to be in a groove shape or an arc shape, the power for the wheels to walk is provided by friction force of the conveyor belt and the support, or the power for the wheels to walk is provided by the supporting roller and the connecting belt, and the supporting roller is connected with a driving mechanism arranged on the supporting device; an upper carrier roller is arranged on the frame between the supporting device and the roller, the upper carrier roller supports the conveying belt between the supporting device and the roller, and the upper carrier roller is of an inverted trapezoid structure; the connecting belt is a flat belt, the supporting roller is cylindrical, the support is of an inverted trapezoid structure, and the number of wheels at two ends of the support is more than one.
2. The track-supported belt conveyor of claim 1, wherein: the connecting belt is a steel wire rope, the supporting rollers are steel wire rope pulleys, the number of the supporting rollers at the head end and the tail end of the supporting frame is more than two, the number of the steel wire ropes is matched with the number of the supporting rollers, the support is of an inverted trapezoid structure, and the number of the wheels at the two ends of the support is more than one.
3. The track-supported belt conveyor of claim 1, wherein: the upper rail is characterized in that an attractive force rail is arranged above the upper rail, a limit rail is arranged on the outer side of the arc rail, the lower end of the limit rail corresponds to the lower rail, the wheel moves between the attractive force rail and the upper rail and between the limit rail and the arc rail, the wheel moves on the lower rail to form annular movement, a strong magnet is arranged on an axle of the wheel, the upper rail, the limit rail, the arc rail and the lower rail are made of diamagnetism or paramagnetic materials, the attractive force rail is made of magnetic materials, and an adsorption force is generated between the attractive force rail and the strong magnet, so that the supporting force of the upper rail, which is born by the wheel, is greatly reduced, and energy consumption and noise are reduced.
4. A track-supported belt conveyor as in claim 3 wherein: the diamagnetic or paramagnetic material is aluminum alloy or stainless steel.
5. The track-supported belt conveyor of claim 1, wherein: the wheel is of a train wheel type structure and is provided with a rim, the rim is used as a limiting mechanism, or grooves are formed in the upper rail and the lower rail, the wheel runs in the grooves, and the grooves form the limiting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600909.4A CN107444871B (en) | 2017-07-21 | 2017-07-21 | Rail support type belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600909.4A CN107444871B (en) | 2017-07-21 | 2017-07-21 | Rail support type belt conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107444871A CN107444871A (en) | 2017-12-08 |
| CN107444871B true CN107444871B (en) | 2023-05-09 |
Family
ID=60487941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600909.4A Active CN107444871B (en) | 2017-07-21 | 2017-07-21 | Rail support type belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107444871B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573177B (en) * | 2020-04-21 | 2021-09-14 | 太原理工大学 | Rail conveyor with integrated connection and reversing |
| CN112173581B (en) * | 2020-09-28 | 2022-02-11 | 辽宁工程技术大学 | Rail type belt conveyor |
| CN116510943B (en) * | 2023-04-28 | 2024-01-26 | 苏州茂顺成通信技术有限公司 | Surface spraying device for processing polypropylene cable protection tube |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067604A1 (en) * | 2011-11-11 | 2013-05-16 | Ezi Fix Mining Solutions Pty Ltd | Conveyor roller assembly |
| CN105416993A (en) * | 2015-12-03 | 2016-03-23 | 力博重工科技股份有限公司 | Rail type belt conveyor |
| KR20160047941A (en) * | 2014-10-23 | 2016-05-03 | 현대제철 주식회사 | Conveyor device |
| CN105692068A (en) * | 2016-03-28 | 2016-06-22 | 力博重工科技股份有限公司 | Rail belt-type conveyor with rotary wheel structures |
| CN105858067A (en) * | 2016-05-08 | 2016-08-17 | 车新宁 | Magnetic friction type thrust augmentation station for belt conveyor |
| CN205526222U (en) * | 2016-03-28 | 2016-08-31 | 力博重工科技股份有限公司 | Track is traction dolly for belt conveyor |
| CN207046307U (en) * | 2017-07-21 | 2018-02-27 | 符海玉 | Track support type ribbon conveyer |
-
2017
- 2017-07-21 CN CN201710600909.4A patent/CN107444871B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067604A1 (en) * | 2011-11-11 | 2013-05-16 | Ezi Fix Mining Solutions Pty Ltd | Conveyor roller assembly |
| KR20160047941A (en) * | 2014-10-23 | 2016-05-03 | 현대제철 주식회사 | Conveyor device |
| CN105416993A (en) * | 2015-12-03 | 2016-03-23 | 力博重工科技股份有限公司 | Rail type belt conveyor |
| CN105692068A (en) * | 2016-03-28 | 2016-06-22 | 力博重工科技股份有限公司 | Rail belt-type conveyor with rotary wheel structures |
| CN205526222U (en) * | 2016-03-28 | 2016-08-31 | 力博重工科技股份有限公司 | Track is traction dolly for belt conveyor |
| CN105858067A (en) * | 2016-05-08 | 2016-08-17 | 车新宁 | Magnetic friction type thrust augmentation station for belt conveyor |
| CN207046307U (en) * | 2017-07-21 | 2018-02-27 | 符海玉 | Track support type ribbon conveyer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107444871A (en) | 2017-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107444871B (en) | Rail support type belt conveyor | |
| RU2600021C2 (en) | Rail conveyor system | |
| CN105416993B (en) | Rail mounted ribbon conveyer | |
| CN203938125U (en) | A kind of dolly friction track drive-type delivery system | |
| CN103171900A (en) | Magnetic levitation conveyor | |
| CN208699803U (en) | Transmitting device is used in a kind of production of conductive tape | |
| CN207046307U (en) | Track support type ribbon conveyer | |
| CN208585701U (en) | A kind of overhead chain conveyer | |
| CN201494883U (en) | Turning and conveying device | |
| CN202754414U (en) | Double-layer belt type conveyor | |
| CN112374033B (en) | Novel magnetic suspension low-resistance belt conveyor | |
| CN201961314U (en) | Aerial cableway for mining by utilizing chain transmission | |
| CN110182554B (en) | Automatic distribution device for intelligent suspension conveying system and implementation method thereof | |
| CN202089528U (en) | Limiting structure of curved belt conveyor | |
| CN202754424U (en) | Simple type belt conveyor with tensioning wheel | |
| CN203173272U (en) | Tensional descending belt conveyor | |
| CN202953399U (en) | Belt conveyor head retractor with limiting parts | |
| CN207566363U (en) | Efficient mechanical transmission equipment | |
| CN202279113U (en) | Tractype chain dragging overhead manriding device | |
| RU2424170C2 (en) | Conveyor with suspended belt | |
| KR20100043733A (en) | System for carrying transfer cart | |
| CN219822604U (en) | Belt supporting trolley for long-distance belt conveyor track | |
| CN203319128U (en) | Retractable belt type conveyor | |
| CN112173581B (en) | Rail type belt conveyor | |
| CN203006313U (en) | Belt conveyer head frame mechanism with redirection rolling drum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |