CN108584323B - Automatic water pump - Google Patents
Automatic water pump Download PDFInfo
- Publication number
- CN108584323B CN108584323B CN201810384443.3A CN201810384443A CN108584323B CN 108584323 B CN108584323 B CN 108584323B CN 201810384443 A CN201810384443 A CN 201810384443A CN 108584323 B CN108584323 B CN 108584323B
- Authority
- CN
- China
- Prior art keywords
- shaft
- rod
- gravity
- gear shaft
- gear
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 230000005484 gravity Effects 0.000 claims abstract description 56
- 238000004804 winding Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 10
- 244000025254 Cannabis sativa Species 0.000 claims description 5
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 5
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 5
- 235000009120 camo Nutrition 0.000 claims description 5
- 235000005607 chanvre indien Nutrition 0.000 claims description 5
- 239000011487 hemp Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- 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
- B65G2201/02—Articles
- B65G2201/0235—Containers
- B65G2201/0241—Barrels, drums
Abstract
The invention relates to a water pumping device, in particular to an automatic water pumping machine, which solves the problem of long-distance water taking and comprises a power device, a transmission gear shaft, a gravity gear shaft, a winding rod shaft, a connecting rod, a box body, a support, a traction mechanism and a lever mechanism, wherein the gravity gear shaft and the transmission gear shaft are arranged in the box body, one end of the gravity gear shaft and one end of the winding rod shaft are fixedly assembled along the same axis, the other end of the winding rod shaft is movably assembled with the support, the winding rod shaft rotates relative to the connecting point of the winding rod shaft and the support and swings along the vertical direction, the lever mechanism comprises a support frame, a balancing rod and a gravity block, the gravity block is arranged at one end of the balancing rod, the other end of the balancing rod is connected with the gravity gear shaft through a connecting rope, the balancing rod is movably connected with, The method is carried out stably, can adapt to the geographical environment of particularly mountain areas, and is beneficial to local economic construction and domestic water.
Description
Technical Field
The invention relates to a water pumping device, in particular to an automatic water pumping machine.
Background
The existing water pumping tools cannot be operated due to long distance, and particularly, water resources are lacked due to the terrain in some mountainous areas, so that economic construction and human activities are difficult to carry out. Meanwhile, national policies are difficult to implement in the type areas, local labor force cannot create value, and life is still antagonistic.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic water pump.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the automatic water beating machine comprises a power device, a transmission gear shaft, a gravity gear shaft, a winding rod shaft, a connecting rod, a box body, a support, a traction mechanism and a lever mechanism;
the gravity gear shaft and the transmission gear shaft are arranged in the box body;
the gravity gear shaft and one end of the winding rod shaft are fixedly assembled along the same axis, the other end of the winding rod shaft is movably assembled with the bracket, and the winding rod shaft rotates relative to a connection point of the winding rod shaft and the bracket and swings in the vertical direction;
the lever mechanism comprises a support frame, a balancing rod and a gravity block, wherein the gravity block is arranged at one end of the balancing rod, the other end of the balancing rod is connected with a gravity gear shaft through a connecting rope, the balancing rod is movably connected with the support frame, the balancing rod keeps the force balance of the two ends through the gravity gear shaft and the gravity block, and an annular groove matched with the connecting rope is formed in the gravity gear shaft;
the connecting rod is connected with the box body and the bracket;
the winding rod shaft is provided with a wire slot seat, and the connecting rod is provided with a pulley;
the traction mechanism comprises a sliding seat, a traction rope, a first support rod, a second support rod and an iron cable, wherein the iron cable is connected with the first support rod and the second support rod, the sliding seat is arranged on the iron cable and reciprocates along the length direction of the iron cable, one end of the traction rope is fixedly connected with the sliding seat, and the other end of the traction rope penetrates through a pulley and is fixed on a wire groove seat;
a water bucket is arranged below the sliding seat, and the water bucket is flexibly connected with the sliding seat through a hemp rope;
the gravity gear shaft and the transmission gear shaft are respectively provided with an upper gear and a lower gear, and the upper gear and the lower gear are in meshing linkage.
The overturning frame is arranged between the first supporting rod and the second supporting rod and is Y-shaped, and two symmetrical ends of the top of the overturning frame extend towards the direction of the symmetrical center line to form a stopping part.
The bottom of the bucket is of a conical structure, and the distance between the stopping parts is smaller than the maximum diameter of the axial section of the bottom of the bucket.
The winding machine is characterized in that the support is provided with a bearing and a bearing seat, a universal coupling and a transition shaft are arranged between the winding rod shaft and the bearing, the winding rod shaft and the transition shaft are assembled in a linkage mode through the universal coupling, and the transition shaft and the bearing are in interference fit.
The power device comprises a motor and a gear box, and the motor, the gear box and the transmission gear shaft are sequentially driven.
The gravity gear shaft is connected with the winding rod shaft through a flange coupling.
The bottom of the bucket is provided with a bottom frame with a cross structure.
The invention has the beneficial effects that: the automatic water beater provided by the invention has large market space, and utilizes the characteristics of cableway transportation, gear meshing and lever to conveniently and stably fetch water from a long distance, can adapt to the geographical environment of particularly mountainous areas, and is beneficial to local economic construction and domestic water.
Drawings
FIG. 1 is a partial schematic view of the present invention in an unloaded state;
FIG. 2 is a partial structural diagram of the present invention in a fully loaded state;
FIG. 3 is a schematic view of the structure of the gravity gear shaft and the lever mechanism of the present invention;
fig. 4 is a schematic view of the overall structure of the present invention.
A transmission gear shaft 1; a gravity gear shaft 2; a winding rod shaft 3; a connecting rod 4; case 5
A bracket 6; a support frame 7; a balancing lever 8; a gravity block 9; a connecting rope 10; a wire chase holder 11; the pulley 12 is provided with a sliding seat 13; a pull cord 14; a first strut 15; a second strut 16; an iron wire 17; a water tub 18; an upper gear 19; a lower gear 20; an overturning frame 21; a stopper portion 22; a universal coupling 23; transition shaft 24 motor 25; a gear case 26; a flange coupling 27; undercarriage 28
Detailed Description
As shown in fig. 1-4, the automatic water pump includes a power device, a transmission gear shaft 1, a gravity gear shaft 2, a winding rod shaft 3, a connecting rod 4, a box body 5, a bracket 6, a traction mechanism and a lever mechanism.
The gravity gear shaft 2 and the transmission gear shaft 1 are arranged in the box body 5. The gravity gear shaft 2 may be only located in the housing 5 and not directly connected to the inner wall of the housing 5 due to the force balance with other components. The transmission gear shaft 1 may be movably engaged with the housing 5 in various ways, such as by a bearing disposed within the housing 5, so that the transmission gear shaft 1 is fixed in position relative thereto, which will not be described or limited herein.
The gravity gear shaft 2 and one end of the winding reel shaft 3 are fixedly assembled along the same axis, the other end of the winding reel shaft 3 is movably assembled with the bracket 6, and the winding reel shaft 3 rotates relative to the connection point of the winding reel shaft 3 and the bracket 6 and swings in the vertical direction. It shows that the winding rod shaft 3 can rotate around the axis as the rotation center, and simultaneously the winding rod shaft 3 can drive the gravity gear shaft 2 to swing up and down together.
Lever mechanism include support frame 7, balancing pole 8 and gravity piece 9, gravity piece 9 locate 8 one ends of balancing pole, and the 8 other ends of balancing pole are connected with gravity gear shaft 2 through connecting rope 10, balancing pole 8 and support frame 7 swing joint, and balancing pole 8 keeps both ends power balance through gravity gear shaft 2 and gravity piece 9. The principle of the lever mechanism is that the lever is balanced, the gravity block 9 and the gravity gear shaft 2 are respectively arranged at two ends of a balance rod 8, and a connecting point between the balance rod 8 and the supporting frame 7 is a fulcrum. The balancing bar 8 and the support frame 7 may be connected by means of bearings and bearing blocks, which are not illustrated or limited herein. Gravity gear shaft 2 on be equipped with connect rope 10 complex annular for gravity gear shaft 2 can connect rope 10 idle running relatively, connect rope 10 to only vertical ascending traction force to gravity gear shaft 2.
The connecting rod 4 is connected with the box body 5 and the bracket 6, and the connecting rod 4 and the box body 5 or the bracket 6 can be fixed through threaded connection.
The winding bar shaft 3 is provided with a wire casing seat 11, and the connecting rod 4 is provided with a pulley 12. The wire groove seat 11 is a seat with a wire groove as the name implies, the wire groove seat 11 can be a ring seat structure sleeved on the winding rod shaft 3, the wire groove seat 11 and the winding rod shaft 3 are fixed through screws or other fasteners, and a groove for binding the traction rope 14 is arranged on the wire groove seat 11. The pulley 12 is used for changing the force application direction of the traction rope 14, and the structure of the pulley 12 is a mature product in the prior art in the market, and can be slightly changed according to actual needs, so that the pulley is not excessively illustrated and limited.
Traction mechanism include sliding seat 13, haulage rope 14, first branch 15, second branch 16 and iron cable 17, iron cable 17 connect first branch 15 and second branch 16, sliding seat 13 establish on iron cable 17, and sliding seat 13 along iron cable 17 length direction reciprocating motion, 14 one end of haulage rope and sliding seat 13 fixed connection, and the haulage rope 14 other end passes pulley 12 and fixes on line slot seat 11.
A bucket 18 is arranged below the sliding seat 13, the bucket 18 is flexibly connected with the sliding seat 13 through a hemp rope, the toughness and the strength of the hemp rope are enhanced after the hemp rope is soaked in water, and the requirement of long-term use in a humid environment is met.
The gravity gear shaft 2 and the transmission gear shaft 1 are respectively provided with an upper gear 19 and a lower gear 20, and the upper gear 19 and the lower gear 20 are linked through meshing. The upper gear 19 and the lower gear 20 have an engaged state and a disengaged state. The upper gear 19 may be a worm gear and the lower gear 20 may be a common gear for easy meshing.
An overturning frame 21 is arranged between the first supporting rod 15 and the second supporting rod 16, the overturning frame 21 is Y-shaped, and two symmetrical ends of the top of the overturning frame 21 extend towards the symmetrical central line direction to form a stopping part 22. The overturning frame 21 is used for pouring water in the water bucket 18 into a corresponding water receiving container. The first pole 15 is arranged high in the ground and the second pole 16 is low in the ground.
The bottom of the bucket 18 is a conical structure, and the distance between the stop parts 22 is smaller than the maximum diameter of the axial section of the bottom of the bucket 18. The water bucket 18 is inclined by the catching of the stopper 22 to pour out the water.
The winding machine is characterized in that a bearing and a bearing seat are arranged on the support 6, a universal coupling 23 and a transition shaft 24 are arranged between the winding rod shaft 3 and the bearing, the winding rod shaft 3 and the transition shaft 24 are assembled in a linkage mode through the universal coupling 23, and the transition shaft 24 is in interference fit with the bearing. The universal coupling 23 enables the winding bar shaft 3 to rotate and swing conveniently, i.e. has multiple degrees of freedom.
The power device comprises a motor 25 and a gear box 26, wherein the motor 25, the gear box 26 and the transmission gear shaft 1 are sequentially transmitted. The gear box 26 includes a plurality of gear sets having an output speed regulating function, which will not be described herein. The power device may be of other manual type structure, and this is only one way of the embodiment.
The gravity gear shaft 2 and the winding rod shaft 3 are connected through a flange coupling 27, and the flange coupling 27 is in rigid connection and meets the design requirement.
The bottom of the water bucket 18 is provided with a bottom frame 28 with a cross structure, so that the overturning frame 21 can act on the water bucket 18 more accurately and effectively.
The working principle is as follows: when the water bucket 18 is empty, the water bucket 18 slides from one end close to the first support rod 15 to one end of the second support rod 16, the traction rope 14 is gradually pulled out from most of the traction rope wound on the wire groove seat 11, at the moment, the upper gear 19 and the lower gear 20 are in a separated state, the gravity gear shaft 2 drives the upper gear 19 to rotate reversely, namely idle, and the gravity block 9 presses downwards, so that the gravity gear shaft 2 is lifted, namely the upper gear 19 is separated from the lower gear 20. When the bucket 18 slides to the limit length of the traction rope 14, the bucket 18 is immersed in a water source, the smoothness of water taking is guaranteed due to the structural characteristics of the bottom of the bucket 18, when the water entering the bucket 18 reaches the preset weight, namely the weight of the water and the bucket 18 is larger than the weight of the gravity block 9, the winding rod shaft 3 is pulled downwards through the traction rope 14, the gravity gear shaft 2 is driven to be pressed downwards, the upper gear 19 and the lower gear 20 are meshed with each other, the lower gear 20 drives the upper gear 19 to rotate forwards, the gravity gear shaft 2 and the winding rod shaft 3 rotate in sequence at the moment, the traction rope 14 is recovered, and the traction rope 14 is wound on the wire groove seat 11 again, namely the bucket 18 is pulled to return to the high altitude. When the water bucket 18 reaches the position of the overturning frame 21, the water bucket 18 pours water into the container, then the water bucket 18 is in an idle state, and the gravity block 9 can lift the gravity gear shaft 2 to return to the initial state. The process of pouring water from the bucket 18 is extremely short and rapid enough to pour most of the water.
The invention has the beneficial effects that: the automatic water beater provided by the invention has large market space, and utilizes the characteristics of cableway transportation, gear meshing and lever to conveniently and stably fetch water from a long distance, can adapt to the geographical environment of particularly mountainous areas, and is beneficial to local economic construction and domestic water.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. While the foregoing shows and describes the principles of the invention, its principal features and advantages as would be understood by those skilled in the art.
Claims (7)
1. The automatic water beating machine is characterized by comprising a power device, a transmission gear shaft, a gravity gear shaft, a winding rod shaft, a connecting rod, a box body, a support, a traction mechanism and a lever mechanism;
the gravity gear shaft and the transmission gear shaft are arranged in the box body;
the gravity gear shaft and one end of the winding rod shaft are fixedly assembled along the same axis, the other end of the winding rod shaft is movably assembled with the bracket, and the winding rod shaft rotates relative to a connection point of the winding rod shaft and the bracket and swings in the vertical direction;
the lever mechanism comprises a support frame, a balancing rod and a gravity block, wherein the gravity block is arranged at one end of the balancing rod, the other end of the balancing rod is connected with a gravity gear shaft through a connecting rope, the balancing rod is movably connected with the support frame, the balancing rod keeps the force balance of the two ends through the gravity gear shaft and the gravity block, and an annular groove matched with the connecting rope is formed in the gravity gear shaft;
the connecting rod is connected with the box body and the bracket;
the winding rod shaft is provided with a wire slot seat, and the connecting rod is provided with a pulley;
the traction mechanism comprises a sliding seat, a traction rope, a first support rod, a second support rod and an iron cable, wherein the iron cable is connected with the first support rod and the second support rod, the sliding seat is arranged on the iron cable and reciprocates along the length direction of the iron cable, one end of the traction rope is fixedly connected with the sliding seat, and the other end of the traction rope penetrates through a pulley and is fixed on a wire groove seat;
a water bucket is arranged below the sliding seat, and the water bucket is flexibly connected with the sliding seat through a hemp rope;
the gravity gear shaft and the transmission gear shaft are respectively provided with an upper gear and a lower gear, and the upper gear and the lower gear are in meshing linkage.
2. The automatic water beating machine according to claim 1, wherein a tipping frame is arranged between the first support rod and the second support rod, the tipping frame is Y-shaped, and two symmetrical ends of the top of the tipping frame extend towards the symmetrical center line to form a stop part.
3. The automatic watering machine as claimed in claim 2, wherein the bottom of the bucket is a conical structure, and the distance between the stoppers is smaller than the maximum diameter of the axial section of the bottom of the bucket.
4. The automatic water beating machine according to claim 3, wherein a bearing and a bearing seat are arranged on the support, a universal coupling and a transition shaft are arranged between the winding rod shaft and the bearing, the winding rod shaft and the transition shaft are assembled in a linkage manner through the universal coupling, and the transition shaft and the bearing are in interference fit.
5. The automatic water beating machine according to any one of claims 1 to 4, wherein the power device comprises a motor and a gear box, and the motor, the gear box and a transmission gear shaft are sequentially driven.
6. The automatic water beater of claim 5 wherein the gravity gear shaft and the wire reel shaft are coupled by a flange coupling.
7. The automatic watering machine as claimed in claim 6, wherein the bottom of the bucket is provided with a bottom frame with a cross structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384443.3A CN108584323B (en) | 2018-04-26 | 2018-04-26 | Automatic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384443.3A CN108584323B (en) | 2018-04-26 | 2018-04-26 | Automatic water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108584323A CN108584323A (en) | 2018-09-28 |
| CN108584323B true CN108584323B (en) | 2020-04-03 |
Family
ID=63609582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384443.3A Expired - Fee Related CN108584323B (en) | 2018-04-26 | 2018-04-26 | Automatic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108584323B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002294767A (en) * | 2001-04-04 | 2002-10-09 | Taisei Kasahara | Deep-water sampling vessel |
| JP2006214151A (en) * | 2005-02-03 | 2006-08-17 | Shimizu Corp | Outside reservoir institution of river course of river water in case of flood |
| CN102261108A (en) * | 2011-06-29 | 2011-11-30 | 西安建筑科技大学 | Hydraulic floating selective water getting device |
| CN104652530A (en) * | 2015-01-25 | 2015-05-27 | 陈科 | Non-power-energy-consumption water intake facility |
| CN105379607A (en) * | 2015-10-13 | 2016-03-09 | 无锡昊瑜节能环保设备有限公司 | Automatic water taking and irrigating apparatus on country road |
| CN107419774A (en) * | 2017-09-20 | 2017-12-01 | 重庆交通大学 | A kind of waterpower water intake system |
-
2018
- 2018-04-26 CN CN201810384443.3A patent/CN108584323B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002294767A (en) * | 2001-04-04 | 2002-10-09 | Taisei Kasahara | Deep-water sampling vessel |
| JP2006214151A (en) * | 2005-02-03 | 2006-08-17 | Shimizu Corp | Outside reservoir institution of river course of river water in case of flood |
| CN102261108A (en) * | 2011-06-29 | 2011-11-30 | 西安建筑科技大学 | Hydraulic floating selective water getting device |
| CN104652530A (en) * | 2015-01-25 | 2015-05-27 | 陈科 | Non-power-energy-consumption water intake facility |
| CN105379607A (en) * | 2015-10-13 | 2016-03-09 | 无锡昊瑜节能环保设备有限公司 | Automatic water taking and irrigating apparatus on country road |
| CN107419774A (en) * | 2017-09-20 | 2017-12-01 | 重庆交通大学 | A kind of waterpower water intake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108584323A (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108584323B (en) | Automatic water pump | |
| CN204893973U (en) | People's mechanical finger is imitated to single degree of freedom coupled mode | |
| CN208311067U (en) | A kind of fixation device of immersible pump | |
| CN107288828B (en) | A kind of mobile water intaking irrigation rig of wind-force | |
| CN102501947A (en) | Marine fishing single ship bag seine net hauler | |
| CN205646643U (en) | Electrical metering box incoming cable auxiliary installation device | |
| CN202617771U (en) | Self-propelled automatic pruning machine | |
| CN111022898A (en) | Comprehensive lubricating device for bearing balls | |
| CN109019384A (en) | Underwater automatic release and storage rope winch device | |
| CN204755872U (en) | Hoist drive arrangement bearing automatic lubrication installation | |
| CN211310402U (en) | Novel cable winding device | |
| CN210127006U (en) | Steel wire rope oiling device for coal mine hoister | |
| CN205331253U (en) | Novel bearing ball blanking device | |
| CN208857393U (en) | A kind of monocrystalline silico briquette throws device automatic blending vehicle again | |
| CN206635539U (en) | One kind stirs wheeled clothes hanger | |
| CN201670967U (en) | Water flow penetrating type washing machine | |
| CN213140540U (en) | Equipment of getting is hung convenient to equipment gear motor | |
| CN218239450U (en) | Energy-concerving and environment-protective portable hydrology water resource sampling device | |
| CN205101507U (en) | Marine gearbox driven gear | |
| CN219556036U (en) | Mechanical net puller | |
| CN205087893U (en) | A hook for opening well lid | |
| CN216190633U (en) | Anti-winding type winch | |
| CN103266427A (en) | High-end intelligent quilting machine | |
| CN204751546U (en) | Convenient to use's clear storehouse of cement bunker machine | |
| CN217629742U (en) | Tail water door machine compensating beam machinery grabs roof beam device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |