CN112919009A - Lifting device and lifting method for storing cement - Google Patents
Lifting device and lifting method for storing cement Download PDFInfo
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- CN112919009A CN112919009A CN202110219659.6A CN202110219659A CN112919009A CN 112919009 A CN112919009 A CN 112919009A CN 202110219659 A CN202110219659 A CN 202110219659A CN 112919009 A CN112919009 A CN 112919009A
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- hopper
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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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/126—Bucket elevators
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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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
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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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/32—Individual load-carriers
- B65G17/36—Individual load-carriers having concave surfaces, e.g. buckets
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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
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
- B65G47/38—Devices for discharging articles or materials from conveyor by dumping, tripping, or releasing load carriers
- B65G47/40—Devices for discharging articles or materials from conveyor by dumping, tripping, or releasing load carriers by tilting conveyor buckets
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention relates to a lifting device and a lifting method for storing cement, wherein the lifting device for storing cement comprises a box body provided with a feeding hole and a discharging hole, and a lifting chain rotatably arranged in the box body, a lifting hopper is arranged on the lifting chain, the lifting hopper comprises a hopper body and a fixed block fixedly connected with the lifting chain, a chute extending vertically is arranged on the fixed block, a sliding block fixedly connected with the hopper body is arranged in the chute in a sliding manner, the lower end of the sliding block is connected with a bottom plate of the chute through an impact spring, a limiting plate positioned above the sliding block is fixedly arranged on the fixed block, and the distance between the sliding block and the limiting plate is smaller than the length of the impact spring in a natural state. According to the invention, the impact spring and the limiting plate are arranged, so that the bucket body is accelerated and blocked during material throwing, the speed difference between the bucket body and cement is increased, and the material throwing effect is improved; through setting up loading board and proximity sensor, utilize lever principle to realize lacking the material warning in the box, make things convenient for the staff to know the feeding condition to in the box.
Description
Technical Field
The invention relates to the technical field of cement production equipment, in particular to the field of cement storage, and specifically relates to a lifting device and a lifting method for storing cement.
Background
In the cement production process, in order to store conveniently, processed cement is usually placed in a storage bin, at present, cement is conveyed to the storage bin in two modes, one mode is pneumatic conveying and suitable for short-time quick conveying, and the other mode is that a bucket elevator is adopted to lift the cement to a feeding port in the upper part of the cement bin, so that the cement bin is suitable for continuous production and is wide in application.
However, when the existing bucket elevator throws materials, the bucket body and the lifting chain are relatively static, the situation of incomplete throwing materials is easy to occur only under the action of centrifugal force and gravity, a small amount of cement is always reserved at the bottom of the bucket body, and the containing capacity of the bucket body is affected after long-time use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the lifting device and the lifting method for storing cement, so that the bucket body and the lifting chain move relatively in the material throwing process, the bucket body is blocked instantly, and the material throwing effect is improved.
The invention is realized by the following technical scheme, and provides a lifting device for storing cement, which comprises a box body and a lifting chain, wherein the box body is provided with a feeding hole and a discharging hole, the lifting chain is rotatably arranged in the box body, a plurality of lifting hoppers are arranged on the lifting chain, each lifting hopper comprises a hopper body and a fixed block fixedly connected with the lifting chain, a sliding groove extending vertically is formed in the fixed block, a sliding block fixedly connected with the hopper body is arranged in the sliding groove in a sliding manner, the lower end of the sliding block is connected with a bottom plate of the sliding groove through an impact spring, a limiting plate positioned above the sliding block is fixedly arranged on the fixed block, and the distance between the sliding block and the limiting plate.
According to the scheme, the impact spring is arranged, after the bucket body digs materials, the impact spring is compressed due to the gravity of cement, when the bucket body passes through the upper end of the lifting chain, the pressure applied to the impact spring is reduced, so that the impact spring is extended to push the bucket body to move quickly, the distance between the sliding block and the limiting plate is smaller than the length of the impact spring in a natural state, so that the bucket body is stopped by the limiting plate and is instantly static in the moving process under the pushing of the impact spring, the cement is continuously thrown out under the inertia effect, and the cement is prevented from remaining in the bucket body by utilizing the collision vibration between the bucket body and the limiting plate; the sliding groove is used for guiding the movement of the bucket body, so that the movement direction of the bucket body relative to the lifting chain is consistent with the movement direction of the lifting chain.
Preferably, the limiting plate is connected with the upper end face of the side wall of the sliding chute through a top bolt, and a threaded hole matched with the top bolt is formed in the upper end face of the side wall of the sliding chute. The limiting plate of this optimization scheme passes through the top bolt and is connected with the spout, has made things convenient for the installation and the dismantlement that promote the hopper, is convenient for change after the bucket body wearing and tearing, also makes things convenient for the change of limiting plate simultaneously.
Preferably, the sliding block comprises a sliding plate matched with the sliding groove and a connecting plate fixedly connected with the bucket body, the connecting plate and the sliding plate are parallel to each other and fixedly connected through a vertical plate, and a sliding hole for the vertical plate to penetrate through and move is formed in the side wall, facing the bucket body, of the sliding groove. The slider of this optimization scheme adopts "worker" style of calligraphy structure, through the convenient and bucket body coupling of connecting plate, conveniently promotes the hopper through the slide and slides along the spout to prevent that the slide from deviating from the spout side.
Preferably, the connecting plate is fixedly connected with the bucket body through a side bolt, the side bolt penetrates through a side plate of the bucket body from the interior of the bucket body and then extends into the connecting plate, the side bolt is in threaded connection with the connecting plate, and a hexagon head of the side bolt is located in the bucket body. This optimization scheme's setting both made things convenient for the installation of bucket body, prevents the wearing and tearing of cement to lateral bolt screw portion simultaneously.
As optimization, the fixing block is welded with the fixing plate towards the side face of the lifting chain, the fixing plate is fixedly connected with a chain plate of the lifting chain through a fastening bolt, and the height of the fixing plate is smaller than or equal to that of the chain plate. This optimization scheme is connected with the promotion chain through setting up the fixed plate, has reduced the connection height, avoids influencing the relative rotation between the promotion chain link because connection height is too big.
As the optimization, the bottom plate top of box is equipped with the back shaft of being connected with the box curb plate rotation, back shaft perpendicular to promotes the chain place plane, the rigid coupling has the loading board with box inner chamber adaptation on the back shaft, is equipped with balancing weight and the response pole that is located the back shaft and keeps away from feed inlet one side on the loading board, and the response pole upwards extends from the loading board, and installs the proximity sensor with the adaptation of response pole upper end in the box, proximity sensor electric connection alarm device. This optimization scheme's setting, when normal during operation, because the weight of cement makes the response pole on the loading board be located proximity sensor's response within range, when lacking the material in the box, under the effect of balancing weight gravity, the loading board rotates around the back shaft, makes the response pole break away from proximity sensor's response scope, and proximity sensor state signal changes, triggers alarm device, realizes lacking the material and reports to the police, has solved the problem that the lifting machine of prior art can't in time know the interior lack of material condition of box.
As optimization, the arc-shaped baffle extending to the upper part of the bearing plate is fixedly arranged on the side wall, opposite to the feeding hole, of the box body, the circle center of the arc-shaped baffle is located on the chain wheel axis meshed with the lower end of the lifting chain, and the proximity sensor is installed on one side, away from the bucket body, of the arc-shaped baffle. This optimization scheme's setting utilizes cowl to form the protection to proximity sensor, has prolonged proximity sensor's life, through setting up cowl and sprocket to concentric, has conveniently both avoided causing the interference to promoting the hopper, is favorable to reducing the powder in the box simultaneously and remains.
Preferably, when the bearing plate is in a horizontal state, the lower edge of the arc-shaped baffle is in contact with the upper surface of the bearing plate. This optimization scheme stops spacingly through cowl to the loading board, makes the loading board be in the horizontality when normal work, avoids loading board turned angle too big and makes the response pole bump bad proximity sensor.
As optimization, the side wall of the box body is provided with a wire outlet hole positioned below the arc-shaped baffle plate, and a lead connected with the proximity sensor penetrates out of the wire outlet hole and is fixed with the wire outlet hole through glue sealing. This optimization scheme is through setting up the wire hole to wear to establish fixedly to the proximity sensor wire through gluing the mode of sealing, not only make things convenient for electric to walk the line, avoided cement moreover to spill over from the wire hole.
The scheme also provides a lifting method using the lifting device, which comprises the following steps: 1. the lifting chain rotates to drive the lifting hopper to rotate, when the lifting hopper upwards changes direction through the lower part of the box body, the cement in the box body is dug up, and the impact spring is compressed under the action of the gravity of the cement; when the lifting hopper is downwards redirected through the upper part of the box body, cement in the hopper body is thrown to the discharge hole, meanwhile, the impact spring extends due to the fact that the impact spring is compressed to be small, the hopper body is pushed to move, the limiting plate blocks the hopper body, so that the cement and the hopper body have a speed difference, and the cement throwing effect is improved;
2. the bearing plate is used for bearing cement entering from the feeding hole, the weight of one side, close to the feeding hole, of the bearing plate is larger than or equal to the weight of the side, where the proximity sensor is located, of the bearing plate due to the gravity of the cement, when the box is short of materials, the weight of the side, where the proximity sensor is located, of the bearing plate is larger than that of the other side, the bearing plate rotates, the induction rod is made to leave the induction range of the proximity sensor, the alarm device gives an alarm according to the state change of the proximity sensor;
3. utilize cowl to form the protection to proximity sensor to carry on spacingly to the loading board when normal work, make the loading board be in the horizontality, in order to avoid the loading board to turn the angle too big.
The invention has the beneficial effects that: the impact spring and the limiting plate are arranged during the material throwing, so that the bucket body is accelerated and blocked during the material throwing, the speed difference between the bucket body and cement is increased, and the material throwing effect is improved; through setting up loading board and proximity sensor, utilize lever principle to realize lacking the material warning in the box, make things convenient for the staff to know the feeding condition to in the box.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the lifting hopper and the lifting chain;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the mounting of the carrier plate and proximity sensor;
shown in the figure:
1. feed inlet, 2, box, 3, discharge gate, 4, promotion chain, 5, promotion hopper, 6, loading board, 7, the bucket body, 8, slider, 9, limiting plate, 10, fixed plate, 11, fixed block, 12, impact spring, 13, back shaft, 14, cowl, 15, proximity sensor, 16, response pole, 17, balancing weight.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the lifting device for storing cement comprises a box body 2 provided with a feeding hole 1 and a discharging hole 3, and a lifting chain 4 rotatably arranged in the box body, wherein a plurality of lifting hoppers 5 are arranged on the lifting chain 4, an upper chain wheel and a lower chain wheel matched with the lifting chain are arranged on the box body, and a wheel shaft of the upper chain wheel is connected with a driving motor.
Promote hopper 5 including bucket body 7 to and with the fixed block 11 that promotes the chain rigid coupling, set up the spout along vertical extension on the fixed block, the spout internal slip is equipped with the slider 8 with the bucket body rigid coupling, the lower extreme of slider 8 is connected with the bottom plate of spout through strikeing spring 12, set firmly the limiting plate 9 that is located the slider top on the fixed block, the distance between slider 8 and the limiting plate 9 is less than the length of strikeing the spring at natural state.
Because in use, the bucket body can bump with the limiting plate, consequently in this embodiment, the limiting plate passes through the top bolt to be connected with the lateral wall up end of spout, and the up end of spout lateral wall is equipped with the screw hole with the top bolt adaptation to convenient the limiting plate to be changed.
The slider of this embodiment adopts "worker" style of calligraphy, and is concrete, slider 8 include with the slide of spout adaptation to and the connecting plate of bucket body rigid coupling, connecting plate and slide are parallel to each other, and through the riser rigid coupling, offer the slide opening that supplies the riser to pass and remove on the lateral wall of bucket body towards the spout. The connecting plate passes through lateral part bolt and bucket body rigid coupling, the lateral part bolt passes in the bucket body and extends to in the connecting plate behind the bucket body curb plate, and passes through threaded connection with the connecting plate in, and the hexagon head of lateral part bolt is located the bucket body.
In order to avoid the fixed block to cause the interference to the chain link rotation of promotion chain, this embodiment has fixed plate 10 in the side welding of fixed block orientation promotion chain, and the fixed plate passes through fastening bolt and promotes the link joint rigid coupling of chain, and the height of fixed plate is less than or equal to the height of link joint.
In order to realize the internal starved feed warning of box, this embodiment is equipped with the back shaft 13 of being connected with the rotation of box curb plate in the bottom plate top of box, and back shaft 13 perpendicular to promotes chain place plane, the rigid coupling has the loading board 6 with box inner chamber adaptation on the back shaft, and the loading board top sets up the passageway that the confession bucket body passes through, is equipped with balancing weight 17 and the response pole 16 that is located the back shaft and keeps away from feed inlet one side on the loading board, and the response pole upwards extends from the loading board, and installs in the box and respond to the proximity sensor 15 of pole upper end adaptation, proximity sensor electric connection alarm device.
Set firmly cowl 14 that extends the loading board top on the lateral wall that box and feed inlet are relative, cowl's centre of a circle is located and promotes chain lower extreme meshed sprocket axis on, proximity sensor installs in one side that cowl kept away from the bucket body, utilizes cowl to form the protection to proximity sensor. When the bearing plate is in a horizontal state, the lower edge of the arc-shaped baffle is in contact with the upper surface of the bearing plate.
The side wall of the box body is provided with a wire outlet hole positioned below the arc-shaped baffle plate, and a lead connected with the proximity sensor penetrates out of the wire outlet hole and is fixed with the wire outlet hole through glue sealing.
The lifting method using the lifting device of the embodiment comprises the following steps:
1. the lifting chain rotates to drive the lifting hopper to rotate, when the lifting hopper upwards changes direction through the lower part of the box body, the cement in the box body is dug up, and the impact spring is compressed under the action of the gravity of the cement; when the lifting hopper is downwards redirected through the upper part of the box body, cement in the hopper body is thrown to the discharge hole, meanwhile, the impact spring extends due to the fact that the impact spring is compressed to be small, the hopper body is pushed to move, the hopper body is blocked through the limiting plate, the speed of the hopper body is increased firstly, then the speed is reduced instantly, the speed difference between the cement and the hopper body is caused, and the cement throwing effect is improved;
2. the bearing plate is used for bearing cement entering from the feeding hole, the weight of one side, close to the feeding hole, of the bearing plate is larger than or equal to the weight of the side, where the proximity sensor is located, of the bearing plate due to the gravity of the cement, when the box is short of materials, the weight of the side, where the proximity sensor is located, of the bearing plate is larger than that of the other side, the bearing plate rotates, the induction rod is made to leave the induction range of the proximity sensor, the alarm device gives an alarm according to the state change of the proximity sensor;
3. utilize cowl to form the protection to proximity sensor to carry on spacingly to the loading board when normal work, make the loading board be in the horizontality, in order to avoid the loading board to turn the angle too big.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a store hoisting device for cement, is including box (2) that are equipped with feed inlet (1) and discharge gate (3) to and rotate the promotion chain (4) that set up in the box, install a plurality of promotion hoppers (5) on promotion chain (4), its characterized in that: promote hopper (5) including bucket body (7) to and fixed block (11) with promotion chain rigid coupling, offer on the fixed block along vertical extension's spout, the spout internal slip is equipped with slider (8) with the bucket body rigid coupling, the lower extreme of slider (8) is connected with the bottom plate of spout through impact spring (12), set firmly limiting plate (9) that are located the slider top on the fixed block, distance between slider (8) and limiting plate (9) is less than the length of impact spring at natural state.
2. The lifting device for storing cement of claim 1, wherein: the limiting plate is connected with the upper end face of the side wall of the sliding groove through the top bolt, and the upper end face of the side wall of the sliding groove is provided with a threaded hole matched with the top bolt.
3. The lifting device for storing cement of claim 1, wherein: the sliding block (8) comprises a sliding plate matched with the sliding groove and a connecting plate fixedly connected with the bucket body, the connecting plate and the sliding plate are parallel to each other and fixedly connected through a vertical plate, and a sliding hole for the vertical plate to penetrate through and move is formed in the side wall, facing the bucket body, of the sliding groove.
4. A lifting device for storing cement according to claim 3, characterized in that: the connecting plate passes through lateral part bolt and bucket body rigid coupling, the lateral part bolt extends to in the connecting plate after passing bucket body curb plate in the bucket body, and passes through threaded connection with the connecting plate, and the hexagon head of lateral part bolt is located the bucket body.
5. The lifting device for storing cement of claim 1, wherein: the fixed block has fixed plate (10) towards the side welding of promotion chain, and the fixed plate passes through fastening bolt and promotes the link joint rigid coupling of chain, and the height of fixed plate is less than or equal to the height of link joint.
6. The lifting device for storing cement of claim 1, wherein: the bottom plate top of box is equipped with back shaft (13) of being connected with the box curb plate rotation, and back shaft (13) perpendicular to promotes chain place plane, the rigid coupling has loading board (6) with box inner chamber adaptation on the back shaft, is equipped with balancing weight (17) and response pole (16) that are located the back shaft and keep away from feed inlet one side on the loading board, and the response pole upwards extends from the loading board, and installs proximity sensor (15) with the adaptation of response pole upper end in the box, proximity sensor electric connection alarm device.
7. The lifting device for storing cement of claim 6, wherein: an arc baffle (14) extending to the upper part of the bearing plate is fixedly arranged on the side wall of the box body opposite to the feed inlet, the circle center of the arc baffle is positioned on the axis of a chain wheel meshed with the lower end of the lifting chain, and the proximity sensor is arranged on one side, far away from the bucket body, of the arc baffle.
8. The lifting device for storing cement of claim 7, wherein: when the bearing plate is in a horizontal state, the lower edge of the arc-shaped baffle is in contact with the upper surface of the bearing plate.
9. The lifting device for storing cement of claim 7, wherein: the side wall of the box body is provided with a wire outlet hole positioned below the arc-shaped baffle plate, and a lead connected with the proximity sensor penetrates out of the wire outlet hole and is fixed with the wire outlet hole through glue sealing.
10. A lifting method using the lifting device according to any one of claims 1 to 9, characterized by comprising the following steps:
(1) the lifting chain rotates to drive the lifting hopper to rotate, when the lifting hopper upwards changes direction through the lower part of the box body, the cement in the box body is dug up, and the impact spring is compressed under the action of the gravity of the cement; when the lifting hopper is downwards redirected through the upper part of the box body, cement in the hopper body is thrown to the discharge hole, meanwhile, the impact spring extends due to the fact that the impact spring is compressed to be small, the hopper body is pushed to move, the limiting plate blocks the hopper body, so that the cement and the hopper body have a speed difference, and the cement throwing effect is improved;
(2) the bearing plate is used for bearing cement entering from the feeding hole, the weight of one side, close to the feeding hole, of the bearing plate is larger than or equal to the weight of the side, where the proximity sensor is located, of the bearing plate due to the gravity of the cement, when the box is short of materials, the weight of the side, where the proximity sensor is located, of the bearing plate is larger than that of the other side, the bearing plate rotates, the induction rod is made to leave the induction range of the proximity sensor, the alarm device gives an alarm according to the state change of the proximity sensor;
(3) utilize cowl to form the protection to proximity sensor to carry on spacingly to the loading board when normal work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219659.6A CN112919009B (en) | 2021-02-27 | 2021-02-27 | Lifting device and lifting method for storing cement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219659.6A CN112919009B (en) | 2021-02-27 | 2021-02-27 | Lifting device and lifting method for storing cement |
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| CN112919009A true CN112919009A (en) | 2021-06-08 |
| CN112919009B CN112919009B (en) | 2022-07-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844841A (en) * | 2021-08-17 | 2021-12-28 | 宋世豪 | Mine hoisting device of high stability |
| CN115724129A (en) * | 2022-10-09 | 2023-03-03 | 娲石水泥集团有限公司 | Lime material lift system for cement preparation |
| CN117864675A (en) * | 2024-03-11 | 2024-04-12 | 河南英大重工科技股份有限公司 | Make things convenient for bucket elevator of dismouting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113844841A (en) * | 2021-08-17 | 2021-12-28 | 宋世豪 | Mine hoisting device of high stability |
| CN113844841B (en) * | 2021-08-17 | 2024-02-27 | 宋世豪 | Mine hoisting device with high stability |
| CN115724129A (en) * | 2022-10-09 | 2023-03-03 | 娲石水泥集团有限公司 | Lime material lift system for cement preparation |
| CN117864675A (en) * | 2024-03-11 | 2024-04-12 | 河南英大重工科技股份有限公司 | Make things convenient for bucket elevator of dismouting |
| CN117864675B (en) * | 2024-03-11 | 2024-05-24 | 河南英大重工科技股份有限公司 | Make things convenient for bucket elevator of dismouting |
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