CN209987142U - Manufacturing concrete production equipment with compensation self-maintenance function - Google Patents
Manufacturing concrete production equipment with compensation self-maintenance function Download PDFInfo
- Publication number
- CN209987142U CN209987142U CN201920307754.XU CN201920307754U CN209987142U CN 209987142 U CN209987142 U CN 209987142U CN 201920307754 U CN201920307754 U CN 201920307754U CN 209987142 U CN209987142 U CN 209987142U
- Authority
- CN
- China
- Prior art keywords
- roller
- oil tank
- wire rope
- steel wire
- mounting plate
- 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
Abstract
The utility model relates to a concrete production device with compensation self-maintenance function, which comprises a mounting plate, a roller, a steel wire rope and a lifting hook, the axis of the roller is parallel to the plane of the mounting plate, one side of the mounting plate close to the roller is provided with a driving device, the driving device is in transmission connection with the drum, the steel wire rope is wound on the drum, one end of the steel wire rope is fixedly connected with the drum, the lifting hook is arranged at the other end of the steel wire rope, the mounting plate is provided with at least two auxiliary mechanisms, the auxiliary mechanisms are uniformly arranged between the mounting plate and the roller along the axial direction of the roller, the number of the auxiliary mechanisms is equal to the number of winding turns of the steel wire rope on the roller, the concrete production equipment with the compensation self-maintenance function has the advantages that the effect of adding lubricating oil is achieved through the auxiliary mechanism, and the function of maintaining the steel wire rope is achieved.
Description
Technical Field
The utility model relates to a concrete production facility field, in particular to make concrete production facility with compensation self-curing function.
Background
The concrete is a general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials, and can be divided into heat-insulating concrete, decorative concrete, waterproof concrete, compensation self-curing concrete and the like according to functions, wherein the electric hoist is a common one in concrete production equipment, and the electric hoist is special hoisting equipment and is mainly used for carrying concrete and concrete production raw materials.
The lubricating oil that wire rope itself on current electric block had is not can long-term the use, and on the contrary wire rope uses for a long time the back lubricating oil can reduce, and wire rope can stick debris such as dust, piece in addition at the during operation surface, if can not in time maintain, can arouse phenomenons such as the wearing and tearing of wire rope, corrosion, reduced electric block's life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the concrete production equipment with the compensation self-curing function is provided.
The utility model provides a technical scheme that its technical problem adopted is: the manufacturing concrete production equipment with the compensation self-maintenance function comprises a mounting plate, a roller, a steel wire rope and a lifting hook, wherein the axis of the roller is parallel to the plane where the mounting plate is located, a driving device is arranged on one side, close to the roller, of the mounting plate, the driving device is in transmission connection with the roller, the steel wire rope is wound on the roller, one end of the steel wire rope is fixedly connected with the roller, the lifting hook is arranged at the other end of the steel wire rope, at least two auxiliary mechanisms are arranged on the mounting plate, the auxiliary mechanisms are uniformly arranged between the mounting plate and the roller along the axial direction of the roller, and the number of the auxiliary mechanisms is equal to the number of winding turns;
the auxiliary mechanism comprises an oil tank, a cleaning barrel, a sponge block, a rotating shaft, a dropper, a pressurizing assembly, two connecting bearings and two transmission assemblies, the oil tank is fixedly connected with the mounting plate, a gap is arranged between the oil tank and the mounting plate, lubricating oil is arranged in the oil tank, the rotating shaft is parallel to the roller, the rotating shaft is positioned between the oil tank and the roller, the cleaning barrel is arranged on the rotating shaft, the sponge block is coated on the outer peripheral surface of the cleaning barrel and is abutted against a steel wire rope, the two connecting bearings are respectively arranged at two ends of the rotating shaft, the transmission assemblies are in one-to-one correspondence with the connecting bearings, the transmission assemblies are arranged on the outer rings of the connecting bearings, the axis of the dropper is perpendicular to and intersected with the axis of the rotating shaft, the dropper is just opposite to the cleaning barrel, the dropper is arranged on, the pressurizing assembly is arranged in the oil tank and is connected with the transmission assembly.
Preferably, in order to achieve the effect of adding the lubricating oil, the pressurizing assembly comprises a fixed pipe, a piston, a transmission plate and two one-way valves, the fixed pipe is parallel to the dropper and is sealed and fixedly connected with the inner wall of the oil tank at the side far away from the dropper, the piston is matched with the dropper, the piston is arranged in the fixed tube, the piston is connected with the inner wall of the fixed tube in a sliding and sealing way, the transmission plate is vertical to the fixed tube, the transmission plate is positioned between the fixed tube and the dropper, the piston is fixedly connected with the transmission plate, a through hole is arranged on one side of the oil tank far away from the dropper, the fixed pipe is communicated with the outside of the oil tank through the through hole, the fixed pipe is provided with a connecting hole, the lubricating oil is positioned between the connecting hole and the dropper, the two one-way valves are arranged in the through hole and the connecting hole, the piston is positioned between the through hole and the dropper, and one side of the transmission plate, which is close to the dropper, is connected with the transmission assembly.
As preferred, in order to reach the function that the drive driving plate removed, drive assembly includes connecting rod and spring, the one side that is close to the cylinder of oil tank is equipped with two pilot holes, pilot hole and connecting rod one-to-one, the connecting rod passes the pilot hole, the inner wall slip and the sealing connection of connecting rod and pilot hole, the one end of connecting rod is fixed on connecting the bearing, the other end and the driving plate fixed connection of connecting rod, the spring sets up in the oil tank, the inner wall connection that is close to cylinder one side of spring and oil tank is passed through to one side that is close to the burette of driving plate, the spring is in tensile state.
Preferably, in order to improve sealability, the inner wall of the fitting hole is coated with a sealing grease.
Preferably, in order to improve the cleaning effect, an annular groove is formed in the cleaning cylinder, and the annular groove is matched with the steel wire rope.
Preferably, in order to prolong the service life of the oil tank, the oil tank is made of titanium alloy.
The beneficial effects of the utility model are that, this make concrete production facility with compensation self-curing function play the effect of adding lubricating oil through complementary unit, realized maintaining wire rope's function, compare with current complementary unit, and this complementary unit still has certain clean wire rope's ability, and the practicality is stronger.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the present invention for manufacturing a concrete production facility with a compensating self-curing function;
FIG. 2 is a schematic structural diagram of an auxiliary mechanism of the present invention for manufacturing a concrete production facility with a compensating self-curing function;
in the figure: 1. the cleaning device comprises a mounting plate, a roller, a steel wire rope, a lifting hook, a cleaning cylinder, a sponge block, a rotating shaft, a dropper, a connecting bearing, a fixing pipe, a piston, a transmission plate, a check valve, a connecting rod and a spring, wherein the mounting plate is 2, the roller is 3, the steel wire rope is 4, the lifting hook is 5, the oil tank is 6, the cleaning cylinder is 7, the sponge block is 8, the rotating shaft is 9, the dropper is 10, the connecting bearing is.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-a, a concrete production device with a compensation self-curing function comprises a mounting plate 1, a drum 2, a steel wire rope 3 and a hook 4, wherein the axis of the drum 2 is parallel to the plane of the mounting plate 1, a driving device is arranged on one side of the mounting plate 1 close to the drum 2, the driving device is in transmission connection with the drum 2, the steel wire rope 3 is wound on the drum 2, one end of the steel wire rope 3 is fixedly connected with the drum 2, the hook 4 is arranged at the other end of the steel wire rope 3, at least two auxiliary mechanisms are arranged on the mounting plate 1, the auxiliary mechanisms are uniformly arranged between the mounting plate 1 and the drum 2 along the axial direction of the drum 2, and the number of the auxiliary mechanisms is equal to the number of winding turns of the steel wire rope 3;
can install this equipment in relevant position through mounting panel 1, behind loading such as the case that will be equipped with the raw materials hung on lifting hook 4, make cylinder 2 rotate through drive arrangement to make wire rope 3 rise or fall through 4 pulling raw materials of lifting hook, played the function of transport raw materials, here, the effect that sets up complementary unit is extension wire rope 3's life, plays the effect of maintaining wire rope 3.
As shown in fig. 2, the auxiliary mechanism includes an oil tank 5, a cleaning cylinder 6, a sponge block 7, a rotating shaft 8, a dropper 9, a pressurizing assembly, two connecting bearings 10 and two transmission assemblies, the oil tank 5 is fixedly connected with the mounting plate 1, a gap is provided between the oil tank 5 and the mounting plate 1, lubricating oil is provided in the oil tank 5, the rotating shaft 8 is parallel to the roller 2, the rotating shaft 8 is located between the oil tank 5 and the roller 2, the cleaning cylinder 6 is mounted on the rotating shaft 8, the sponge block 7 is coated on the outer circumferential surface of the cleaning cylinder 6, the sponge block 7 is abutted against the steel wire rope 3, the two connecting bearings 10 are respectively mounted at two ends of the rotating shaft 8, the transmission assemblies are in one-to-one correspondence with the connecting bearings 10, the transmission assemblies are arranged at the outer rings of the connecting bearings 10, and the axis of the, the dropper 9 is arranged opposite to the cleaning barrel 6, the dropper 9 is arranged on one side, close to the roller 2, of the oil tank 5, the dropper 9 is communicated with the oil tank 5, the pressurizing assembly is arranged in the oil tank 5, and the pressurizing assembly is connected with the transmission assembly.
When the roller 2 rotates and the number of turns of the steel wire rope 3 on the roller 2 is reduced, the sponge block 7 at the corresponding position is separated from the steel wire rope 3, the sponge block 7 moves a certain distance towards the direction close to the roller 2 through the transmission component, when the roller 2 rotates reversely, the steel wire rope 3 is wound on the roller 2 again and is abutted against the sponge block 7, meanwhile, the sponge block 7 is pushed to move towards the direction far away from the roller 2, so that the connection bearing 10 enables the pressurizing component to operate through the transmission component, the air pressure in the oil tank 5 is increased through the pressurizing component, a part of lubricating oil in the oil tank 5 is dripped on the sponge block 7 through the burette 9, at the moment, the rotation of the roller 2 drives the steel wire rope 3 to rotate, the steel wire rope 3 drives the sponge block 7 to rotate through the friction force, so that the cleaning barrel 6 drives the rotating shaft 8 to rotate under the supporting action of the, the lubricating oil on the sponge block 7 can be transferred to the wire rope 3.
Preferably, in order to achieve the effect of adding lubricating oil, the pressurizing assembly comprises a fixed pipe 11, a piston 12, a transmission plate 13 and two one-way valves 14, the fixed pipe 11 is parallel to the dropper 9, the fixed pipe 11 is hermetically and fixedly connected with the inner wall of the oil tank 5 far away from the dropper 9, the piston 12 is matched with the dropper 9, the piston 12 is installed in the fixed pipe 11, the piston 12 is slidably and hermetically connected with the inner wall of the fixed pipe 11, the transmission plate 13 is perpendicular to the fixed pipe 11, the transmission plate 13 is located between the fixed pipe 11 and the dropper 9, the piston 12 is fixedly connected with the transmission plate 13, a through hole is formed in one side of the oil tank 5 far away from the dropper 9, the fixed pipe 11 is communicated with the outside of the oil tank 5 through the through hole, a connecting hole is formed in the fixed pipe 11, the lubricating oil is located between the connecting hole and the dropper 9, the two one-way valves 14, the piston 12 is positioned between the through hole and the dropper 9, and one side of the transmission plate 13 close to the dropper 9 is connected with the transmission assembly.
When the steel wire rope 3 is separated from the sponge block 7, the transmission plate 13 moves towards the direction close to the roller 2 through the transmission assembly, so that the piston 12 moves towards the direction close to the roller 2, so that the air pressure in the fixed pipe 11 is reduced, through the one-way characteristic of the one-way valve 14, the inner one-way valve 14 of the connecting hole is in a closed state at the moment, so that the air outside the oil tank 5 enters the fixed pipe 11 through the one-way valve 14 in the through hole, after the steel wire rope 3 is contacted with the sponge block 7, the transmission plate 13 moves towards the direction far away from the roller 2 through the transmission assembly, so that the piston 12 is driven to move towards the direction far away from the roller 2, so that the air pressure in the fixed pipe 11 is increased, the one-way valve 14 in the through hole is in a closed state at the moment, the air in the fixed pipe 11 enters the oil tank 5 through the one-way valve 14 in the connecting hole, so that the, the effect of adding lubricating oil is achieved.
Preferably, in order to achieve the function of driving the driving plate 13 to move, the driving assembly includes a connecting rod 15 and a spring 16, two assembling holes are formed in one side of the oil tank 5, which is close to the roller 2, and are in one-to-one correspondence with the connecting rod 15, the connecting rod 15 penetrates through the assembling holes, the connecting rod 15 slides and is in sealing connection with the inner wall of the assembling holes, one end of the connecting rod 15 is fixed on the connecting bearing 10, the other end of the connecting rod 15 is fixedly connected with the driving plate 13, the spring 16 is arranged in the oil tank 5, one side of the driving plate 13, which is close to the dropper 9, is connected with the inner wall of the oil tank 5, which is close to the roller 2, through the spring 16, and.
When wire rope 3 and sponge piece 7 separation, make driving plate 13 remove towards being close to 2 directions of cylinder under spring 16's elastic action, after wire rope 3 contacted with sponge piece 7, wire rope 3 promoted sponge piece 7 and removed towards keeping away from 2 directions of cylinder to make connecting rod 15 promote driving plate 13 and remove towards keeping away from 2 directions of cylinder, reached the function that drive driving plate 13 removed.
Preferably, in order to improve sealability, the inner wall of the fitting hole is coated with a sealing grease.
The gap between the connecting rod 15 and the inner wall of the assembly hole can be reduced by the sealing grease, and the sealing performance is improved.
Preferably, in order to improve the cleaning effect, an annular groove is formed on the cleaning cylinder 6, and the annular groove is matched with the steel wire rope 3.
Through the annular groove on the cleaning barrel 6, the contact area between the sponge block 7 and the steel wire rope 3 can be improved, so that the lubricating effect is improved, impurities on the steel wire rope 3 can be further stuck through the sponge block 7 stuck with lubricating oil, and the effect of cleaning the steel wire rope 3 is achieved.
Preferably, the fuel tank 5 is made of titanium alloy in order to prolong the service life of the fuel tank 5.
The titanium alloy has the characteristics of high strength, corrosion resistance and the like, can improve the antirust capacity of the oil tank 5, avoids the damage of the oil tank 5 due to rusting, and prolongs the service life of the oil tank 5.
When the roller 2 rotates and the number of turns of the steel wire rope 3 on the roller 2 is reduced, the sponge block 7 at the corresponding position is separated from the steel wire rope 3, the transmission plate 13 and the sponge block 7 move a certain distance towards the direction close to the roller 2 under the elastic action of the spring 16, so that the transmission plate 13 drives the piston 12 to move towards the direction close to the roller 2, so that the air pressure in the fixed pipe 11 is reduced, through the one-way characteristic of the one-way valve 14, the inner one-way valve 14 of the connection hole is in a closed state at the moment, air outside the oil tank 5 enters the fixed pipe 11 through the one-way valve 14 in the through hole, when the steel wire rope 3 is wound on the roller 2 and is in contact with the sponge block 7 in the reverse rotation process of the roller 2, the steel wire rope 3 pushes the sponge block 7 to move towards the direction away from the roller 2, so that the connecting rod 15 pushes the transmission plate 13 to move towards the direction, the air pressure in the fixed pipe 11 is increased, the check valve 14 in the through hole is in a closed state at the moment, the air in the fixed pipe 11 enters the oil tank 5 through the check valve 14 in the connecting hole, so that the air pressure in the oil tank 5 is increased, a part of lubricating oil is dripped onto the sponge block 7 from the burette 9 through the air pressure, at the moment, the rotation of the roller 2 drives the steel wire rope 3 to rotate, the steel wire rope 3 drives the sponge block 7 to rotate through friction force, and the cleaning cylinder 6 drives the rotating shaft 8 to rotate under the supporting action of the connecting bearing 10;
here, lean on with the sponge piece 7 through wire rope 3, make the lubricating oil on the sponge piece 7 shift to wire rope 3 on, played the effect of adding lubricating oil, realized maintaining wire rope 3's function, simultaneously, can also stick the impurity on the wire rope 3 through the sponge piece 7 that is stained with lubricating oil, played the effect of clean wire rope 3.
Compared with the prior art, this make concrete production facility with compensation self-curing function has played the effect of adding lubricating oil through complementary unit, has realized the function of maintaining wire rope 3, compares with current complementary unit, and this complementary unit still has certain clean wire rope 3's ability, and the practicality is stronger.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A concrete production device with a compensation self-maintenance function comprises a mounting plate (1), a roller (2), a steel wire rope (3) and a lifting hook (4), the axis of the roller (2) is parallel to the plane where the mounting plate (1) is located, one side of the mounting plate (1) close to the roller (2) is provided with a driving device, the driving device is in transmission connection with the drum (2), the steel wire rope (3) is wound on the drum (2), one end of the steel wire rope (3) is fixedly connected with the roller (2), the lifting hook (4) is arranged at the other end of the steel wire rope (3), it is characterized in that the mounting plate (1) is provided with at least two auxiliary mechanisms which are uniformly arranged between the mounting plate (1) and the roller (2) along the axial direction of the roller (2), the number of the auxiliary mechanisms is equal to the number of winding turns of the steel wire ropes (3) on the roller (2);
the auxiliary mechanism comprises an oil tank (5), a cleaning cylinder (6), a sponge block (7), a rotating shaft (8), a dropper (9), a pressurizing assembly, two connecting bearings (10) and two transmission assemblies, the oil tank (5) is fixedly connected with the mounting plate (1), a gap is arranged between the oil tank (5) and the mounting plate (1), lubricating oil is arranged in the oil tank (5), the rotating shaft (8) is parallel to the roller (2), the rotating shaft (8) is positioned between the oil tank (5) and the roller (2), the cleaning cylinder (6) is arranged on the rotating shaft (8), the sponge block (7) is coated on the peripheral surface of the cleaning cylinder (6), the sponge block (7) is abutted against the steel wire rope (3), the two connecting bearings (10) are respectively arranged at two ends of the rotating shaft (8), and the transmission assemblies are in one-to-one correspondence with the connecting bearings (10), the drive assembly sets up the outer lane at connecting bearing (10), the axis of burette (9) is perpendicular and crossing with the axis of rotation (8), burette (9) just to setting up with clean section of thick bamboo (6), burette (9) set up the one side that is close to cylinder (2) in oil tank (5), burette (9) and oil tank (5) intercommunication, pressure boost subassembly sets up in oil tank (5), pressure boost subassembly is connected with drive assembly.
2. The concrete producing apparatus with self-curing compensation function according to claim 1, wherein the pressurizing assembly comprises a fixed pipe (11), a piston (12), a driving plate (13) and two one-way valves (14), the fixed pipe (11) is parallel to the dropper (9), the fixed pipe (11) is hermetically and fixedly connected with the inner wall of the side of the oil tank (5) far away from the dropper (9), the piston (12) is matched with the dropper (9), the piston (12) is installed in the fixed pipe (11), the piston (12) is slidably and hermetically connected with the inner wall of the fixed pipe (11), the driving plate (13) is perpendicular to the fixed pipe (11), the driving plate (13) is located between the fixed pipe (11) and the dropper (9), the piston (12) is fixedly connected with the driving plate (13), the side of the oil tank (5) far away from the dropper (9) is provided with a through hole, fixed pipe (11) are through the outside intercommunication of through-hole and oil tank (5), be equipped with the connecting hole on fixed pipe (11), lubricating oil is located between connecting hole and burette (9), and two check valves (14) are installed in through-hole and connecting hole, piston (12) are located between through-hole and burette (9), one side that is close to burette (9) of driving plate (13) is connected with drive assembly.
3. The concrete producing apparatus with a compensating self-curing function manufactured according to claim 1, characterized in that the transmission component comprises a connecting rod (15) and a spring (16), one side of the oil tank (5) close to the roller (2) is provided with two assembly holes which are in one-to-one correspondence with the connecting rods (15), the connecting rod (15) passes through the assembly hole, the connecting rod (15) is connected with the inner wall of the assembly hole in a sliding and sealing way, one end of the connecting rod (15) is fixed on the connecting bearing (10), the other end of the connecting rod (15) is fixedly connected with the transmission plate (13), the spring (16) is arranged in the oil tank (5), one side of the transmission plate (13) close to the dropper (9) is connected with the inner wall of the oil tank (5) close to the roller (2) through the spring (16), and the spring (16) is in a stretching state.
4. The concrete producing apparatus for making a concrete with a compensating self-curing function as recited in claim 3, wherein an inner wall of said fitting hole is coated with a sealing grease.
5. The concrete producing apparatus with the compensating self-curing function as claimed in claim 1, wherein the cleaning cylinder (6) is provided with an annular groove which is matched with the wire rope (3).
6. The concrete producing apparatus with the self-curing compensation function as claimed in claim 1, wherein the fuel tank (5) is made of titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307754.XU CN209987142U (en) | 2019-03-12 | 2019-03-12 | Manufacturing concrete production equipment with compensation self-maintenance function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307754.XU CN209987142U (en) | 2019-03-12 | 2019-03-12 | Manufacturing concrete production equipment with compensation self-maintenance function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209987142U true CN209987142U (en) | 2020-01-24 |
Family
ID=69289235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920307754.XU Active CN209987142U (en) | 2019-03-12 | 2019-03-12 | Manufacturing concrete production equipment with compensation self-maintenance function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209987142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304950A (en) * | 2021-06-30 | 2021-08-27 | 江苏亚盛金属制品有限公司 | Marine steel wire rope maintenance device |
| CN114789968A (en) * | 2022-04-24 | 2022-07-26 | 江苏通工金属科技有限公司 | Steel rope tractor and machining equipment |
-
2019
- 2019-03-12 CN CN201920307754.XU patent/CN209987142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304950A (en) * | 2021-06-30 | 2021-08-27 | 江苏亚盛金属制品有限公司 | Marine steel wire rope maintenance device |
| CN114789968A (en) * | 2022-04-24 | 2022-07-26 | 江苏通工金属科技有限公司 | Steel rope tractor and machining equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209987142U (en) | Manufacturing concrete production equipment with compensation self-maintenance function | |
| CN109397277B (en) | Energy-saving and labor-saving mechanism for mechanical arm | |
| CN101190769B (en) | Heavy load balance mechanism | |
| CN112547711A (en) | Cleaning device for inner wall of pipeline | |
| CN206386100U (en) | A kind of closed bailing enters ring oil rig | |
| CN110255409B (en) | High-safety-factor long-service-life coal chemical industry hoisting equipment | |
| CN2774336Y (en) | Curtain hanging frame | |
| CN110918326B (en) | Fluorescent powder spraying equipment for lamp tube production and processing | |
| CN202274055U (en) | Worm gear and worm lifter | |
| CN208883363U (en) | A kind of material raising device of factory machinery production | |
| CN111955879A (en) | Auxiliary energy-saving and environment-friendly brake device for stall manual deceleration of trunk | |
| CN203213917U (en) | Electric control device and shutter mechanism thereof | |
| CN202937754U (en) | Input direct connection worm and gear lifter | |
| CN201367950Y (en) | Structure for crankshaft oil seal of automobile engine | |
| CN201634386U (en) | Electric suspended platform lifter of work at heights | |
| CN111075854B (en) | Central-drive adaptive electric drive assembly with multi-plate friction clutch | |
| CN211227831U (en) | Wire rope pretension device of convenient regulation | |
| CN208361763U (en) | A kind of automatic hoist engine of punching pile machine | |
| CN208669998U (en) | A kind of one-way belt sheave of low secondary friction torsional spring structure | |
| CN110790179A (en) | Hydraulic equipment with high safety factor for production workshop | |
| CN112265930A (en) | Dust-proof hydraulic equipment | |
| CN107268545B (en) | A kind of closed gate hoist | |
| CN201485220U (en) | Disc brake for tractor | |
| CN205290838U (en) | Half automatic assembly of hose machine | |
| CN218760203U (en) | Starting lifting wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |