CN110964886A - Quenching device for manganese steel casting for mining equipment - Google Patents
Quenching device for manganese steel casting for mining equipment Download PDFInfo
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- CN110964886A CN110964886A CN201911113286.3A CN201911113286A CN110964886A CN 110964886 A CN110964886 A CN 110964886A CN 201911113286 A CN201911113286 A CN 201911113286A CN 110964886 A CN110964886 A CN 110964886A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
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Abstract
The invention discloses a quenching device for a manganese steel casting for mining equipment, and relates to the technical field of quenching devices. This quenching device for mining equipment 7528 manganese steel foundry goods, the on-line screen storage device comprises a base, the bottom fixed mounting of base has the universal wheel, the quantity of universal wheel is four groups and is the rectangle array range and installs in the bottom of base, the top fixed mounting of base has box and water tank, a water tank lateral wall and a lateral wall fixed connection of box set up, the built-in baffle of box, the baffle sets up with the inside wall fixed connection of box, the baffle divide into quenching storehouse and installation storehouse with the box, the inboard bottom fixed mounting in installation storehouse has the shock pad seat, the standing groove has been seted up at the top of shock pad seat, the built-in second motor of standing groove. The first motor and the quenching rotating wheel are matched for use, so that a plurality of castings can be quenched at the same time, and the other side of the casting placing device can take down the processed castings at the same time, so that the working efficiency is improved to a certain extent.
Description
Technical Field
The invention relates to the technical field of mining equipment, in particular to a quenching device for manganese steel castings for mining equipment.
Background
The quenching of steel is a heat treatment process of heating the steel to a temperature above a critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), preserving the heat for a period of time to make the steel fully or partially austenitized, and then rapidly cooling the steel to a temperature below Ms (or isothermal near Ms) at a cooling speed greater than a critical cooling speed to perform martensite (or bainite) transformation. The solution treatment or heat treatment process with a rapid cooling process of materials such as aluminum alloys, copper alloys, titanium alloys, tempered glass, etc. is also generally called quenching.
The quenching is to convert the super-cooled austenite into martensite or bainite to obtain martensite or bainite structure, and then to improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel by tempering at different temperatures, thereby meeting different use requirements of various mechanical parts and tools. The special physical and chemical properties of ferromagnetism, corrosion resistance and the like of certain special steel can be met through quenching. A metal heat treatment process of heating a metal workpiece to a suitable temperature and holding for a period of time, and then immersing the metal workpiece in a quenching medium for rapid cooling. Common quenching media are brine, water, mineral oil, air, and the like. The quenching can improve the hardness and the wear resistance of the metal workpiece, so the quenching method is widely used for various tools, dies, measuring tools and parts (such as gears, rollers, carburized parts and the like) with the required surface wear resistance.
Through the matching of quenching and tempering at different temperatures, the strength, toughness reduction and fatigue strength of the metal can be greatly improved, and the matching (comprehensive mechanical properties) among the properties can be obtained to meet different use requirements. In addition, quenching can also make some special steel obtain certain physical and chemical properties, for example, quenching can make permanent magnet steel strengthen its ferromagnetism, stainless steel raise its corrosion resistance, etc. The quenching process is mainly used for steel parts. When the conventional steel is heated to a temperature higher than the critical temperature, the original structure at room temperature is completely or mostly transformed into austenite. The steel is then rapidly cooled by immersion in water or oil, and the austenite transforms to martensite. The martensite hardness is highest compared to other structures in steel. The rapid cooling during quenching can generate internal stress in the workpiece, and when the internal stress is large to a certain degree, the workpiece can be distorted, deformed and even cracked. For this purpose, a suitable cooling method must be selected. According to the cooling method, the quenching process is divided into 4 types of single-liquid quenching, double-medium quenching, martensite stage quenching and bainite isothermal quenching.
Most of the existing manganese steel casting quenching devices are used for quenching in water, the manganese steel casting needs to be manually put into the water during quenching, water vapor can be generated when the high-temperature manganese steel casting is in contact with water, the water vapor harms the health of workers, meanwhile, the water vapor is directly discharged to waste water resources and heat energy, the cooling effect of the existing manganese steel casting quenching devices is poor, the local water temperature is too high, and then the quenching efficiency is influenced. In general, single quenching is adopted during quenching, so that time is delayed when a large-batch quenching task is dealt with.
Disclosure of Invention
The invention aims to provide a quenching device for manganese steel castings for mining equipment, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a quenching device for manganese steel castings for mining equipment comprises a base, universal wheels are fixedly mounted at the bottom of the base, four groups of universal wheels are arranged at the bottom of the base in a rectangular array mode, a box body and a water tank are fixedly mounted at the top of the base, one side wall of the water tank and one side wall of the box body are fixedly connected, a partition plate is arranged in the box body and fixedly connected with the inner side wall of the box body, the box body is divided into a quenching bin and an installation bin by the partition plate, a shock pad seat is fixedly mounted at the bottom of the inner side of the installation bin, a placing groove is formed in the top of the shock pad seat, a second motor is arranged in the placing groove, a gear is fixedly mounted on an output shaft of the second motor through a coupler, a chain is sleeved on the gear, a second rotating shaft is arranged in the installation bin and rotatably connected with the top and the bottom of the inner side of the installation bin, the second rotating shaft longitudinally penetrates through the top of the installation bin and extends to the inside of the quenching bin, one end, located inside the installation bin, of the second rotating shaft is sleeved with a gear, a chain is sleeved on the gear, the second rotating shaft is fixedly connected with the gear, the second rotating shaft and a second motor are connected and arranged in a transmission mode through the gear and the chain, the second rotating shaft is located on the outer wall of one end of the quenching bin and is fixedly provided with a stirring paddle, the stirring paddle is provided with a pressure relief hole, the bottom of the quenching bin is fixedly provided with a fixing plate, the fixing plate is located in the middle of the bottom of the inner side of the quenching bin, the fixing plate is of a hollow structure, the top of the fixing plate is provided with a clamping groove, the clamping groove is arc-shaped, the top of the fixing plate is clamped and provided with a filter frame, the bottom of the filter frame is fixedly provided with a clamping block, the water outlet pipe is communicated with the interior of the quenching bin, the stop valve is fixedly installed on the water outlet pipe, the mounting plate is fixedly installed on one side wall of the quenching bin, the mounting groove is formed in the top of the mounting plate, the first motor is arranged in the mounting groove and fixedly connected with the mounting plate, the output shaft of the first motor is fixedly installed with a gear of the same type and size as that of the second motor through a coupling, a chain is sleeved on the gear, a first rotating shaft is sleeved on the top of the quenching bin, the first rotating shaft is fixedly installed at one end of the first motor and is located at the middle of the first rotating shaft, a clamping bearing is fixedly installed at the top of one side, away from the first motor, of the quenching bin, a quenching rotating wheel is sleeved on the first rotating shaft and is fixedly connected with the quenching rotating wheel, the quenching rotating wheel is located in the middle of the, the inboard bottom fixed mounting of water tank has submersible pump, and the free end of inlet tube vertically runs through the top of water tank and extends to the inside of water tank, and the outlet end fixed connection setting of inlet tube and submersible pump, the top fixed mounting of water tank has the water injection pipe. The front side of the installation bin is hinged with an installation bin door, and a handle is fixedly installed on the installation bin door.
Preferably, the universal wheel is mainly solid rubber material and articulated on the universal wheel and install the stopper, and the quantity of stopper is a set of.
Preferably, a sealing bearing is arranged at the joint of the second rotating shaft and the quenching bin.
Preferably, the number of the second rotating shafts is two, and the second rotating shafts are sequentially installed on two sides of the second motor.
Preferably, the outer wall of one side of the quenching bin is fixedly provided with a water inlet pipe and a control pivot, and the control pivot is positioned right above the water tank.
Preferably, a rectangular clamping port is fixedly mounted on the inner wall of the inner ring of the clamping bearing, and one end, far away from the first motor, of the first rotating shaft is clamped with the clamping bearing.
Preferably, a water level sensor and a temperature sensor are fixedly arranged on the inner wall of the other side of the quenching bin, the water level sensor is preferably positioned right above the temperature sensor,
preferably, the first motor, the second motor, the temperature sensor and the water level sensor are electrically connected with the control hub.
Preferably, the outer surface of the handle is provided with anti-skid threads, the door of the mounting bin is provided with heat dissipation holes, and the heat dissipation holes are located right below the handle.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the quenching device for the manganese steel castings for the mining equipment, the first motor and the quenching rotating wheel are matched for use, so that a plurality of castings can be quenched at the same time, and the other side of the quenching device can take down the processed castings when the castings are placed, so that the working efficiency is improved to a certain extent.
(2) According to the quenching device for the manganese steel casting for the mining equipment, the automatic design can ensure that the casting quenching is automated, manual placement and taking out are replaced, the labor burden of workers is reduced to a certain degree, and the damage of liquid boiling to a human body caused by placement of the casting is avoided to a certain degree.
(3) According to the quenching device for the manganese steel casting for the mining equipment, the double stirring paddles are adopted to rotate, and the top opening of the device is arranged, so that the influence of overhigh local water temperature on the quenching efficiency during quenching is avoided to a certain extent.
(4) This quenching device for manganese steel casting for mining equipment, this device have set up the shock pad seat in the motor junction, have avoided to a certain extent because the too big wearing and tearing that leads to of motor vibrations increase, influence the life of motor, and the installation storehouse of this device can be opened simultaneously, provides convenience for overhauing to a certain extent.
(5) This quenching device for manganese steel casting for mining equipment, the influence that the water level reduction caused the quenching has been avoided to a certain extent to this device's level sensor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
FIG. 4 is an enlarged view of part B of the present invention;
FIG. 5 is a schematic side view of a quench rotor of the present invention;
FIG. 6 is a schematic top view of a retaining plate according to the present invention;
FIG. 7 is a schematic view of a snap bearing according to the present invention.
In the figure: 1 first axis of rotation, 2 place the platform, 3 first motor, 4 mounting panels, 5 filter frames, 6 level sensor, 7 inlet tubes, 8 boxes, 9 stirring paddles, 10 outlet pipes, 11 quenching storehouses, 12 installation storehouses, 13 gears, 14 chains, 15 temperature sensor, 16 baffles, 17 water tanks, 18 bases, 19 brakes, 20 universal wheels, 21 shock pad seats, 22 second motors, 23 second axis of rotation, 24 diving water pumps, 25 louvres, 26 handles, 27 rectangle joint mouth, 28 quenching runners, 29 joint grooves, 30 joint blocks, 31 fixed plates, 32 control pivot, 33 joint bearings, 34 installation storehouse door.
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. 1-7, the present invention provides a technical solution: a quenching device for manganese steel castings for mining equipment comprises a base 18, universal wheels 20 are fixedly mounted at the bottom of the base 18, the universal wheels 20 are four groups and are arranged at the bottom of the base 18 in a rectangular array mode, the universal wheels 20 are mainly made of solid rubber, brakes 19 are hinged to the universal wheels 20, the brakes 19 are one group, a box body 8 and a water tank 17 are fixedly mounted at the top of the base 18, one side wall of the water tank 17 is fixedly connected with one side wall of the box body 8, a partition plate 16 is arranged in the box body 8, the partition plate 16 is fixedly connected with the inner side wall of the box body 8, the box body 8 is divided into a quenching bin 11 and an installation bin 12 by the partition plate 16, a shock pad seat 21 is fixedly mounted at the bottom of the inner side of the installation bin 12, a placement groove is formed in the top of the shock pad seat 21, a second motor 22 is arranged in the placement groove, a gear 13, the gear 13 is sleeved with a chain 14, the installation bin 12 is internally provided with a second rotating shaft 23, the second rotating shaft 23 is rotatably connected with the top and the bottom of the inner side of the installation bin 12, the number of the second rotating shafts 23 is two, the second rotating shafts 23 are sequentially installed on two sides of a second motor 22, the second rotating shafts 23 and the second motor 22 are positioned on the same straight line, the second rotating shafts 23 longitudinally penetrate through the top of the installation bin 12 and extend to the interior of the quenching bin 11, a sealing bearing is arranged at the joint of the second rotating shafts 23 and the quenching bin 11, one end of the second rotating shafts 23 positioned in the installation bin 12 is sleeved with a gear 13, the gear 13 is sleeved with the chain 14, the second rotating shafts 23 and the gear 13 are fixedly connected, the second rotating shafts 23 and the second motor 22 are in transmission connection with the chain 14 through the gear 13, and the outer wall of one end of the second rotating shafts 23 positioned in the quenching bin 11 is fixedly, the stirring paddle 9 is provided with a pressure relief hole, the bottom of the quenching bin 11 is fixedly provided with a fixing plate 31, the fixing plate 31 is positioned in the center of the inner bottom of the quenching bin 11, the fixing plate 31 is of a hollow structure, the top of the fixing plate 31 is provided with a clamping groove 29, the clamping groove 29 is arc-shaped, the top of the fixing plate 31 is clamped with a filter frame 5, the bottom of the filter frame 5 is fixedly provided with a clamping block 30, the outer wall of the clamping block 30 is provided with a clamping port matched with the clamping groove 29, one side wall of the quenching bin 11 is fixedly provided with a water outlet pipe 10, the water outlet pipe 10 is communicated with the inside of the quenching bin 11, the water outlet pipe 10 is fixedly provided with a stop valve, one side wall of the quenching bin 11 is fixedly provided with a mounting plate 4, the top of the mounting plate 4 is provided with a mounting groove, a first motor 3 is arranged in the mounting groove, the first motor 3 is, a chain 14 is sleeved on the gear 13, a first rotating shaft 1 is sleeved on the top of the quenching bin 11, a gear 13 is fixedly installed at one end, located at the first motor 3, of the first rotating shaft 1, a clamping bearing 33 is fixedly installed at the top of one side, away from the first motor 3, of the quenching bin 11, a rectangular clamping interface 27 is fixedly installed on the inner wall of an inner ring of the clamping bearing 33, one end, away from the first motor 3, of the first rotating shaft 1 is clamped with the clamping bearing 33, a quenching rotating wheel 28 is sleeved on the first rotating shaft 1, the first rotating shaft 1 is fixedly connected with the quenching rotating wheel 28, the quenching rotating wheel 28 is located in the middle of the first rotating shaft 1, the bottom of the quenching rotating wheel 28 is located inside the filter frame 5, a placing platform 2 is rotatably installed inside the quenching rotating wheel 28, a water level sensor 6 and a temperature sensor 15 are fixedly installed on the inner wall of the other, a water inlet pipe 7 and a control pivot 32 are fixedly installed on the outer wall of one side of the quenching bin 11, the control pivot 32 is located right above the water tank 17, when the water temperature rises, the temperature sensor 15 transmits information to the control pivot 32, the control pivot 32 receives an instruction to open a second motor 22 to drive a second rotating shaft 23 to drive a stirring paddle 9 to rotate to stir and dissipate heat of the warm water, a submersible water pump 24 is fixedly installed at the bottom of the inner side of the water tank 17, the free end of the water inlet pipe 7 longitudinally penetrates through the top of the water tank 17 and extends into the water tank 17, the water inlet pipe 7 is fixedly connected with the water outlet end of the submersible water pump 24, when the water level is reduced by the temperature of a casting, the water level sensor 6 sends an instruction, the control pivot 32 receives an instruction to open the submersible water pump 24 to fill the quenching bin 11, when the water level reaches the water level sensor, the water tank 17 is filled with water through a water injection pipe until the water tank is filled with water, and the first motor 3, the second motor 22, the temperature sensor 15 and the water level sensor 6 are electrically connected with the control pivot. The front side of installation storehouse 12 is articulated to be installed installation storehouse door 34, and fixed mounting has handle 26 on the installation storehouse door 34, and anti-skidding screw thread has been seted up to handle 26's surface, has seted up louvre 25 on the installation storehouse door 34, and louvre 25 is located handle 26 under.
In summary, the following steps: the invention can quench a plurality of castings simultaneously by matching the first motor and the quenching rotating wheel, and the other side of the casting is taken down simultaneously when the casting is placed, thereby improving the working efficiency to a certain extent, the invention can lead the quenching of the casting to be automatic by the automatic design, replace manual placing and taking out, lighten the labor burden of workers to a certain extent, and simultaneously avoid the injury to human bodies caused by liquid boiling due to the placement of the casting to a certain extent, the invention adopts the rotation of double stirring paddles and the arrangement of the top opening of the device, thereby avoiding the overhigh local water temperature and the influence on the quenching efficiency to a certain extent during quenching, and the shock absorption cushion seat is arranged at the connection part of the motor, thereby avoiding the increase of abrasion and the influence on the service life of the motor to a certain extent due to overlarge vibration of the motor, meanwhile, the installation bin of the device can be opened, convenience is brought to maintenance to a certain degree, and the water level sensor of the device avoids the influence of water level reduction on quenching to a certain degree.
The working principle is as follows: when the device is used, the water tank 17 is filled with water through the water filling pipe until the device is filled with water, the quenching bin 11 is directly filled with water through the water pipe, the water level is just over the water level sensor 6, the first motor 3 is opened through the control pivot 32, the first motor 3 drives the first rotating shaft to rotate to drive the quenching rotating wheel 28 to rotate, a casting is placed on the placing platform 2 on the quenching rotating wheel 28, the casting is immersed under the water level to be quenched through rotation, the operation is repeated, when the water temperature rises, the temperature sensor 15 transmits information to the control pivot 32, the control pivot 32 receives an instruction to open the second motor 22 to drive the second rotating shaft 23 to drive the stirring paddle 9 to rotate to stir and dissipate heat warm water, when the water level is reduced due to the temperature volatilization of the casting, the water level sensor 6 sends an instruction, and the control pivot 32 receives an instruction to open the submerged water pump 24 to fill water into, when the water level reaches the water level sensor 6, the submersible pump 24 stops operating.
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 (9)
1. The utility model provides a quenching device for manganese steel casting for mining equipment, includes base (18), its characterized in that: the bottom fixed mounting of base (18) has universal wheel (20), the quantity of universal wheel (20) is four groups and is the rectangle array range and installs in the bottom of base (18), the top fixed mounting of base (18) has box (8) and water tank (17), a lateral wall of water tank (17) and a lateral wall fixed connection setting of box (8), box (8) built-in baffle (16), baffle (16) and the inside wall fixed connection setting of box (8), baffle (16) divide into quenching storehouse (11) and installation storehouse (12) with box (8), the inboard bottom fixed mounting in installation storehouse (12) has shock pad seat (21), the standing groove has been seted up at the top of shock pad seat (21), the standing groove embeds second motor (22), the output shaft of second motor (22) has gear (13) through shaft coupling fixed mounting, the cover is equipped with chain (14) on gear (13), a second rotating shaft (23) is arranged in the installation bin (12), the second rotating shaft (23) is rotatably connected with the top and the bottom of the inner side of the installation bin (12), the second rotating shaft (23) and a second motor (22) are positioned on the same straight line, the second rotating shaft (23) longitudinally penetrates through the top of the installation bin (12) and extends into the quenching bin (11), one end, positioned in the installation bin (12), of the second rotating shaft (23) is sleeved with a gear (13), a chain (14) is sleeved on the gear (13), the second rotating shaft (23) is fixedly connected with the gear (13), the second rotating shaft (23) and the second motor (22) are in transmission connection with the chain (14) through the gear (13), a stirring paddle (9) is fixedly installed on the outer wall of one end, positioned in the quenching bin (11), of the second rotating shaft (23), a pressure relief hole is formed in the stirring paddle (9), a fixing plate (31) is fixedly installed at the bottom of the quenching bin (11), the fixed plate (31) is positioned in the center of the bottom of the inner side of the quenching bin (11), the fixed plate (31) is of a hollow structure, the top of the fixed plate (31) is provided with a clamping groove (29), the clamping groove (29) is arc-shaped, the top of the fixed plate (31) is clamped and installed with the filter frame (5), the bottom of the filter frame (5) is fixedly provided with a clamping block (30), the outer wall of the clamping block (30) is provided with a clamping port matched with the clamping groove (29), one side wall of the quenching bin (11) is fixedly provided with a water outlet pipe (10), the water outlet pipe (10) is communicated with the interior of the quenching bin (11), the water outlet pipe (10) is fixedly provided with a stop valve, one side wall of the quenching bin (11) is fixedly provided with an installation plate (4), the top of the installation plate (4) is provided with an installation groove, a first motor (3) is arranged in, an output shaft of a first motor (3) is fixedly provided with a gear (13) which has the same type and size as those of a second motor through a coupler, the gear (13) is sleeved with a chain (14), the top of a quenching bin (11) is sleeved with a first rotating shaft (1), one end of the first rotating shaft (1) positioned on the first motor (3) is fixedly provided with the gear (13), the top of one side of the quenching bin (11) far away from the first motor (3) is fixedly provided with a clamping bearing (33), the first rotating shaft (1) is sleeved with a quenching rotating wheel (28), the first rotating shaft (1) and the quenching rotating wheel (28) are fixedly connected, the quenching rotating wheel (28) is positioned in the middle of the first rotating shaft (1), the bottom of the quenching rotating wheel (28) is positioned inside a filter frame (5), a placing platform (2) is rotatably arranged inside the quenching rotating wheel (28), and a submersible water pump (24) is fixedly arranged at the, the free end of inlet tube (7) vertically runs through the top of water tank (17) and extends to the inside of water tank (17), inlet tube (7) and the play water end fixed connection setting of dive water pump (24), and the top fixed mounting of water tank (17) has the water injection pipe. The front side of the installation bin (12) is hinged with an installation bin door (34), and the installation bin door (34) is fixedly provided with a handle (26).
2. The quenching device for manganese steel castings for mining equipment according to claim 1, characterized in that: the universal wheel (20) is mainly made of solid rubber, the universal wheel (20) is hinged with a brake (19), and the number of the brakes (19) is one group.
3. The quenching device for manganese steel castings for mining equipment according to claim 1, characterized in that: and a sealing bearing is arranged at the joint of the second rotating shaft (23) and the quenching bin (11).
4. The quenching apparatus for manganese steel castings for mining equipment according to claim 1 or 3, characterized in that: the number of the second rotating shafts (23) is two, and the second rotating shafts are sequentially arranged on two sides of the second motor (22).
5. The quenching device for manganese steel castings for mining equipment according to claim 1, characterized in that: the outer wall of one side of quenching storehouse (11) is fixed with inlet tube (7) and control pivot (32), and control pivot (32) are located water tank (17) directly over.
6. The quenching device for manganese steel castings for mining equipment according to claim 1, characterized in that: the inner ring inner wall of joint bearing (33) is last fixed mounting has rectangle joint mouth (27), and the one end that first motor (3) were kept away from in first axis of rotation (1) sets up with joint bearing (33) joint.
7. The quenching apparatus for manganese steel castings for mining equipment according to claim 1 or 5, characterized in that: a water level sensor (6) and a temperature sensor (15) are fixedly mounted on the inner wall of the other side of the quenching bin (11), and the water level sensor (6) is located right above the temperature sensor (15).
8. The quenching device for manganese steel castings for mining equipment according to claim 1, characterized in that: the first motor (3), the second motor (22), the temperature sensor (15) and the water level sensor (6) are electrically connected with the control pivot (32).
9. The quenching device for manganese steel castings for mining equipment according to claim 1, characterized in that: the anti-skidding screw thread has been seted up to the surface of handle (26), has seted up louvre (25) on installation storehouse door (34), and louvre (25) are located handle (26) under.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112111634A (en) * | 2020-09-21 | 2020-12-22 | 安徽省含山县富坤铸造厂 | Automatic quenching device for castings |
| CN113186385A (en) * | 2021-05-07 | 2021-07-30 | 紫江炉业南京有限公司 | Multilayer marching type aluminum alloy wheel hub heat treatment production line |
| CN117821733A (en) * | 2024-03-04 | 2024-04-05 | 江苏久保联实业有限公司 | Elbow heat treatment device for pipeline processing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112111634A (en) * | 2020-09-21 | 2020-12-22 | 安徽省含山县富坤铸造厂 | Automatic quenching device for castings |
| CN113186385A (en) * | 2021-05-07 | 2021-07-30 | 紫江炉业南京有限公司 | Multilayer marching type aluminum alloy wheel hub heat treatment production line |
| CN117821733A (en) * | 2024-03-04 | 2024-04-05 | 江苏久保联实业有限公司 | Elbow heat treatment device for pipeline processing |
| CN117821733B (en) * | 2024-03-04 | 2024-05-03 | 江苏久保联实业有限公司 | Elbow heat treatment device for pipeline processing |
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Application publication date: 20200407 |