CN110775532A - Buffering blanking supporting leg device of belt conveyor - Google Patents
Buffering blanking supporting leg device of belt conveyor Download PDFInfo
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- CN110775532A CN110775532A CN201911209952.3A CN201911209952A CN110775532A CN 110775532 A CN110775532 A CN 110775532A CN 201911209952 A CN201911209952 A CN 201911209952A CN 110775532 A CN110775532 A CN 110775532A
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- belt conveyor
- fixed connection
- leg device
- pressure sensor
- longitudinal beams
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 12
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
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- 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
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
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- 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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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- 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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- 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
- B65G2812/00—Indexing codes relating to the kind or type of conveyors
- B65G2812/02—Belt or chain conveyors
- B65G2812/02128—Belt conveyors
- B65G2812/02217—Belt conveyors characterised by the configuration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a buffering blanking support leg device of a belt conveyor, which comprises four support columns, longitudinal beams, a horizontal measuring unit and a weighing unit, wherein the four support columns are symmetrically arranged, round holes are formed in the upper ends of the support columns, the longitudinal beams are arranged in parallel, two guide rods which are symmetrically distributed are fixedly connected to the lower surfaces of the longitudinal beams, the lower ends of the outer cambered surfaces of the guide rods are in sliding connection with the inner parts of the round holes in the upper ends of the corresponding support columns, mounting frames are welded on the inner side surfaces of the longitudinal beams, the upper surfaces of the two mounting frames are fixedly connected with the lower ends of the belt conveyor, the horizontal measuring unit is arranged at the outer ends of the longitudinal beams, the weighing unit is arranged at the upper ends of the support columns, the buffering blanking support leg device of the belt conveyor can buffer the belt conveyor during blanking, the service life of the belt conveyor is prolonged, the levelness, convenient removal and fixed have reduced artifical labour, convenient to use.
Description
Technical Field
The invention relates to the technical field of belt conveyor mechanical equipment, in particular to a buffering blanking support leg device of a belt conveyor.
Background
The belt conveyor is also called as a rubber belt conveyor, is widely applied to various industries such as household appliances, electronics, electrical appliances, machinery, tobacco, injection molding, post and telecommunications, printing, food and the like, and the assembly, detection, debugging, packaging, transportation and the like of objects, in order to prevent the belt conveyor from being damaged due to overlarge impact force during blanking, a blanking buffer device is usually arranged in the conveyor, and the blanking buffer device of the belt conveyor in the prior art usually adopts a rubber ring type buffer carrier roller and a buffer bed with a rubber buffer layer, so that the defects of complex structure, high weight, high manufacturing cost and the like exist mostly, and the large manufacturing cost is brought to the industry, in addition, the blanking buffering device of the existing belt conveyor is single in function, cannot adjust levelness, cannot display material weight and is inconvenient to use, and therefore the buffering blanking supporting leg device of the belt conveyor is provided for solving the defects.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a buffering blanking support leg device for a belt conveyor, which can buffer the belt conveyor during blanking, prolong the service life of the belt conveyor, adjust the levelness of the belt conveyor at any time, measure the weight of materials, facilitate movement and fixation, reduce manual labor, have various functions and convenient use and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a buffering blanking support leg device of a belt conveyor comprises a support column, a longitudinal beam, a horizontal measuring unit and a weighing unit;
a support column: the four support columns are symmetrically arranged, and round holes are formed in the upper ends of the support columns;
longitudinal beam: the lower surfaces of the longitudinal beams are fixedly connected with two guide rods which are symmetrically distributed, the lower ends of the outer arc surfaces of the guide rods are connected with the inner parts of the round holes at the upper ends of the corresponding support columns in a sliding manner, mounting frames are welded on the inner side surfaces of the longitudinal beams, and the upper surfaces of the two mounting frames are fixedly connected with the lower end of the belt conveyor;
a level measurement unit: the horizontal measuring unit is arranged at the outer end of the longitudinal beam;
a weighing unit: the weighing unit is arranged at the upper end of the support column;
wherein: the upper end of the spring is fixedly connected with the lower surface of the longitudinal beam, the lower end of the spring is arranged corresponding to the weighing unit, the guide rod is positioned inside the corresponding spring, the PLC is fixedly connected to the front side surface of the longitudinal beam on the left side, the input end of the PLC is electrically connected with an external power supply, the support column can be moved through the universal wheel, the rotary rod is rotated, the rotary rod drives the screw rod to rotate inside the bottom plate, so that the screw rod moves downwards relative to the bottom plate, the screw rod drives the support legs to move downwards, when the support legs are contacted with the ground, the screw rod drives the bottom plate to move upwards so that the universal wheel is separated from the ground, the rotary rod is adjusted by observing the water surface positions at the two ends inside the water pipe, so that the upper surfaces of the two longitudinal beams are kept horizontal, when the belt conveyor is fed, the belt conveyor presses, longeron compression spring downwards, the spring plays the absorbing effect of buffering to the longeron, annular pressure sensor detects the pressure that increases and give the PLC controller with the signal transmission simultaneously, the PLC controller shows through the weight that calculates the material and through the display screen, this belt conveyor buffering blanking landing leg device can cushion the belt conveyor when the blanking, reduce the impact force, increase of service life, can adjust the levelness to the belt conveyor at any time, can also measure the weight of material, convenient removal and fixed, the artificial labor has been reduced, the function is various, high durability and convenient use.
Further, the level measurement unit includes water pipe and scale mark, the both ends of water pipe respectively with the front end and the rear end fixed connection of longeron lateral surface, the scale mark sets up respectively in the leading flank and the trailing flank of longeron, water pipe and scale mark correspond the setting, through observing the inside water level adjustment longeron levelness of water pipe.
Further, the weighing unit includes annular pressure sensor and display screen, annular pressure sensor fixed connection is in the upper surface of pillar, spring fixed connection is in the annular pressure sensor upper surface that corresponds, the round hole at the annular pressure sensor middle part that the guide arm passes the correspondence, display screen fixed connection is in left longeron leading flank, the input of PLC controller is connected to annular pressure sensor's output electricity, the input of display screen is connected to the output electricity of PLC controller, weighs the material at the in-process of carrying the material, and convenient quantitative transport saves the link of weighing specially, has improved production efficiency, provides convenience for people.
Further, still include bottom plate and universal wheel, bottom plate fixed connection is in the lower surface of pillar, universal wheel fixed connection is in the lower extreme of bottom plate, conveniently removes belt conveyor.
Further, still include screw rod, rotary rod and stabilizer blade, the inner threaded connection of screw rod and bottom plate, rotary rod fixed connection is in the top of screw rod, the stabilizer blade passes through the connecting piece with the lower extreme of screw rod and rotates to be connected, is convenient for fixed to belt conveyor.
Compared with the prior art, the invention has the beneficial effects that: this belt conveyor buffering blanking landing leg device has following benefit:
the supporting columns can be moved through the universal wheels, the rotary rods are rotated, the rotary rods drive the screw rods to rotate in the bottom plate, the screw rods move downwards relative to the bottom plate, the screw rods drive the supporting feet to move downwards, when the supporting feet are in contact with the ground, the screw rods drive the bottom plate to move upwards, so that the universal wheels are separated from the ground, the rotary rods are adjusted by observing the water surface positions at two ends in the water pipe, the upper surfaces of the two longitudinal beams are kept horizontal, when the belt conveyor discharges materials, the belt conveyor presses the mounting frame downwards, the mounting frame drives the corresponding longitudinal beams to move downwards, the longitudinal beams compress the springs downwards, the springs play a role in buffering and damping on the longitudinal beams, meanwhile, the annular pressure sensor detects increased pressure and transmits signals to the PLC controller, the PLC controller displays the materials through calculating the weight of the materials through the display screen, and the supporting leg device for buffering the belt conveyor during discharging, reduce the impact force, prolonged belt conveyor's life, can adjust belt conveyor's levelness at any time, can also measure the weight of material, conveniently remove and fix, reduced artifical labour, the function is various, convenient to use.
Drawings
FIG. 1 is a schematic front plan view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention.
In the figure: the device comprises a support column 1, a longitudinal beam 2, a spring 3, a guide rod 4, a horizontal measuring unit 5, a water pipe 51, scale marks 52, a PLC (programmable logic controller) 6, a weighing unit 7, an annular pressure sensor 71, a display screen 72, an installation frame 8, a bottom plate 9, a round hole 10, a universal wheel 11, a screw rod 12, a rotating rod 13 and a supporting foot 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a buffering blanking support leg device of a belt conveyor comprises a support column 1, a longitudinal beam 2, a horizontal measuring unit 5 and a weighing unit 7;
strut 1: the four support columns 1 are symmetrically arranged, and round holes 10 are formed in the upper ends of the support columns 1;
longitudinal beam 2: the longitudinal beam 2 is provided with two guide rods 4 which are arranged in parallel, the lower surface of the longitudinal beam 2 is fixedly connected with the two guide rods 4 which are symmetrically distributed, the lower ends of the outer arc surfaces of the guide rods 4 are connected with the inner parts of the round holes at the upper ends of the corresponding support columns 1 in a sliding manner, the inner side surface of the longitudinal beam 2 is welded with a mounting frame 8, and the upper surfaces of the two mounting frames 8 are fixedly connected with the lower end of the;
level measurement unit 5: the horizontal measuring unit 5 comprises a water pipe 51 and scale marks 52, two ends of the water pipe 51 are respectively and fixedly connected with the front end and the rear end of the outer side surface of the longitudinal beam 2, the scale marks 52 are respectively arranged on the front side surface and the rear side surface of the longitudinal beam 2, the water pipe 51 and the scale marks 52 are correspondingly arranged, and the rotating rods 13 are adjusted by observing the water surface positions at two ends inside the water pipe 51, so that the upper surfaces of the two longitudinal beams 2 are kept horizontal;
a weighing unit 7: the weighing unit 7 comprises an annular pressure sensor 71 and a display screen 72, the annular pressure sensor 71 is fixedly connected to the upper surface of the pillar 1, the spring 3 is fixedly connected to the upper surface of the corresponding annular pressure sensor 71, the guide rod 4 penetrates through a round hole in the middle of the corresponding annular pressure sensor 71, the display screen 72 is fixedly connected to the front side surface of the left longitudinal beam 2, the output end of the annular pressure sensor 71 is electrically connected with the input end of the PLC controller 6, the output end of the PLC controller 6 is electrically connected with the input end of the display screen 72, when blanking is carried out on the belt conveyor, the belt conveyor presses the mounting frame 8 downwards, the mounting frame 8 drives the corresponding longitudinal beam 2 to move downwards, the longitudinal beam 2 compresses the spring 3 downwards, the spring 3 plays a buffering role on the longitudinal beam 2, meanwhile, the annular pressure sensor 71 detects increased pressure and transmits a signal to the PLC controller 6, the PLC controller 6 calculates the weight of the material and, the weighing is convenient for people;
wherein: still include bottom plate 9, universal wheel 11, screw rod 12, rotary rod 13 and stabilizer blade 14, bottom plate 9 fixed connection is in the lower surface of pillar 1, universal wheel 11 fixed connection is in the lower extreme of bottom plate 9, screw rod 12 is connected with the inner end screw thread of bottom plate 9, rotary rod 13 fixed connection is on the top of screw rod 12, stabilizer blade 14 passes through the connecting piece with the lower extreme of screw rod 12 and rotates and be connected, can make pillar 1 remove through universal wheel 11, the manual labor intensity has been saved, rotary rod 13 rotates, rotary rod 13 drives screw rod 12 and rotates in the inside of bottom plate 9, make screw rod 12 move down relative bottom plate 9, screw rod 12 drives stabilizer blade 14 and moves down, when stabilizer blade 14 and ground contact, screw rod 12 drives bottom plate 9 rebound and makes universal wheel 11 break away from ground, fix pillar 1.
Wherein: still include spring 3 and PLC controller 6, the upper end of spring 3 and the lower fixed surface of longeron 2 are connected, and the lower extreme and the weighing unit 7 of spring 3 correspond the setting, and inside guide arm 4 was located the spring 3 that corresponds, 6 fixed connection in the 2 leading flank of left longeron of PLC controller, external power source was connected to PLC controller 6's input electricity.
When in use: the prop 1 can be moved by the universal wheel 11, the rotating rod 13 is rotated, the rotating rod 13 drives the screw 12 to rotate in the bottom plate 9, the screw 12 moves downwards relative to the bottom plate 9, the screw 12 drives the support legs 14 to move downwards, when the support legs 14 are contacted with the ground, the screw 12 drives the bottom plate 9 to move upwards to separate the universal wheel 11 from the ground, the rotating rod 13 is adjusted by observing the water surface positions at two ends in the water pipe 51, the upper surfaces of the two longitudinal beams 2 are kept horizontal, when the materials are discharged to the belt conveyor, the belt conveyor presses the mounting rack 8 downwards, the mounting rack 8 drives the corresponding longitudinal beam 2 to move downwards, the longitudinal beam 2 compresses the spring 3 downwards, the spring 3 plays a role of buffering and damping on the longitudinal beam 2, meanwhile, the annular pressure sensor 71 detects increased pressure and transmits signals to the PLC 6, the PLC 6 calculates the weight of the materials and displays the weight by the display screen 72, the weighing is convenient for people.
It should be noted that the specific model of the PLC controller 6 disclosed in this embodiment is siemens S7-200, the annular pressure sensor 71 and the display screen 72 may be freely configured according to an actual application scenario, the annular pressure sensor 71 may be a load cell sensor of an annular load washer manufactured by shanghai resistance testing technology ltd, the display screen 72 may be a liquid crystal display module of an LCM manufactured by hangzhou electronic technology ltd, and the PLC controller 6 controls the annular pressure sensor 71 and the display screen 72 to work by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a belt conveyor buffering blanking landing leg device which characterized in that: comprises a pillar (1), a longitudinal beam (2), a horizontal measuring unit (5) and a weighing unit (7);
strut (1): four support columns (1) are symmetrically arranged, and round holes (10) are formed in the upper ends of the support columns (1);
stringer (2): the two longitudinal beams (2) are arranged in parallel, the lower surfaces of the longitudinal beams (2) are fixedly connected with two guide rods (4) which are symmetrically distributed, the lower ends of the outer arc surfaces of the guide rods (4) are connected with the inner parts of the round holes at the upper ends of the corresponding support columns (1) in a sliding mode, mounting frames (8) are welded on the inner side surfaces of the longitudinal beams (2), and the upper surfaces of the two mounting frames (8) are fixedly connected with the lower end of a belt conveyor;
leveling unit (5): the horizontal measuring unit (5) is arranged at the outer end of the longitudinal beam (2);
weighing cell (7): the weighing unit (7) is arranged at the upper end of the support column (1);
wherein: still include spring (3) and PLC controller (6), the upper end of spring (3) and the lower fixed surface of longeron (2) are connected, the lower extreme of spring (3) corresponds the setting with weighing unit (7), guide arm (4) are located inside spring (3) that correspond, PLC controller (6) fixed connection is in left longeron (2) leading flank, external power source is connected to the input electricity of PLC controller (6).
2. The buffering blanking leg device of the belt conveyor according to claim 1, characterized in that: horizontal measurement unit (5) include water pipe (51) and scale mark (52), the both ends of water pipe (51) respectively with longeron (2) lateral surface's front end and rear end fixed connection, scale mark (52) set up respectively in the leading flank and the trailing flank of longeron (2), water pipe (51) and scale mark (52) correspond the setting.
3. The buffering blanking leg device of the belt conveyor according to claim 1, characterized in that: weighing unit (7) include annular pressure sensor (71) and display screen (72), annular pressure sensor (71) fixed connection is in the upper surface of pillar (1), spring (3) fixed connection is in the annular pressure sensor (71) upper surface that corresponds, the round hole at corresponding annular pressure sensor (71) middle part is passed in guide arm (4), display screen (72) fixed connection is in left longeron (2) leading flank, the input of PLC controller (6) is connected to the output electricity of annular pressure sensor (71), the input of display screen (72) is connected to the output electricity of PLC controller (6).
4. The buffering blanking leg device of the belt conveyor according to claim 1, characterized in that: still include bottom plate (9) and universal wheel (11), bottom plate (9) fixed connection is in the lower surface of pillar (1), universal wheel (11) fixed connection is in the lower extreme of bottom plate (9).
5. The buffering blanking leg device of the belt conveyor as claimed in claim 4, wherein: still include screw rod (12), rotary rod (13) and stabilizer blade (14), the inner end threaded connection of screw rod (12) and bottom plate (9), rotary rod (13) fixed connection is in the top of screw rod (12), stabilizer blade (14) pass through the connecting piece rotation with the lower extreme of screw rod (12) and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209952.3A CN110775532A (en) | 2019-11-29 | 2019-11-29 | Buffering blanking supporting leg device of belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209952.3A CN110775532A (en) | 2019-11-29 | 2019-11-29 | Buffering blanking supporting leg device of belt conveyor |
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| Publication Number | Publication Date |
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| CN110775532A true CN110775532A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911209952.3A Pending CN110775532A (en) | 2019-11-29 | 2019-11-29 | Buffering blanking supporting leg device of belt conveyor |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009981A (en) * | 2020-10-14 | 2020-12-01 | 佛山市南海恒泰铭耀门窗加工厂 | Automatic conveying and intelligent classification screening system for assembly line production |
| CN112794105A (en) * | 2021-01-31 | 2021-05-14 | 山东大圣机械制造有限公司 | Spiral air-locking type feeding device |
| CN114260624A (en) * | 2021-12-30 | 2022-04-01 | 陕西正通煤业有限责任公司 | Automatic change double-end girth welding special plane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860038A (en) * | 2015-05-26 | 2015-08-26 | 中国矿业大学 | Coal falling impact energy buffering and monitoring device and method for coal mine belt type conveying system |
| CN208679841U (en) * | 2018-08-07 | 2019-04-02 | 仲恒衡器(苏州)有限公司 | A kind of automatic weight checking machine |
| CN209148130U (en) * | 2019-01-21 | 2019-07-23 | 梅州国塑实业有限公司 | It is a kind of movable type injection-molded item raw material weighing use table scale |
| CN211055982U (en) * | 2019-11-29 | 2020-07-21 | 安徽永生机械股份有限公司 | Buffering blanking supporting leg device of belt conveyor |
-
2019
- 2019-11-29 CN CN201911209952.3A patent/CN110775532A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860038A (en) * | 2015-05-26 | 2015-08-26 | 中国矿业大学 | Coal falling impact energy buffering and monitoring device and method for coal mine belt type conveying system |
| CN208679841U (en) * | 2018-08-07 | 2019-04-02 | 仲恒衡器(苏州)有限公司 | A kind of automatic weight checking machine |
| CN209148130U (en) * | 2019-01-21 | 2019-07-23 | 梅州国塑实业有限公司 | It is a kind of movable type injection-molded item raw material weighing use table scale |
| CN211055982U (en) * | 2019-11-29 | 2020-07-21 | 安徽永生机械股份有限公司 | Buffering blanking supporting leg device of belt conveyor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009981A (en) * | 2020-10-14 | 2020-12-01 | 佛山市南海恒泰铭耀门窗加工厂 | Automatic conveying and intelligent classification screening system for assembly line production |
| CN112794105A (en) * | 2021-01-31 | 2021-05-14 | 山东大圣机械制造有限公司 | Spiral air-locking type feeding device |
| CN114260624A (en) * | 2021-12-30 | 2022-04-01 | 陕西正通煤业有限责任公司 | Automatic change double-end girth welding special plane |
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