CN216947124U - Tooling lifting appliance for vacuum heat treatment of slender shaft parts - Google Patents

Tooling lifting appliance for vacuum heat treatment of slender shaft parts Download PDF

Info

Publication number
CN216947124U
CN216947124U CN202220744119.XU CN202220744119U CN216947124U CN 216947124 U CN216947124 U CN 216947124U CN 202220744119 U CN202220744119 U CN 202220744119U CN 216947124 U CN216947124 U CN 216947124U
Authority
CN
China
Prior art keywords
heat treatment
vacuum heat
shaft parts
slender shaft
hanging scaffold
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
Application number
CN202220744119.XU
Other languages
Chinese (zh)
Inventor
毛守聪
张孟斋
石海彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anyang Hongsen Machinery Co ltd
Original Assignee
Anyang Hongsen Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anyang Hongsen Machinery Co ltd filed Critical Anyang Hongsen Machinery Co ltd
Priority to CN202220744119.XU priority Critical patent/CN216947124U/en
Application granted granted Critical
Publication of CN216947124U publication Critical patent/CN216947124U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Furnace Charging Or Discharging (AREA)

Abstract

The utility model relates to a tooling hanger for vacuum heat treatment of slender shaft parts, which comprises a vertically arranged hanger rod, wherein the top of the hanger rod is provided with a hanging ring, the bottom of the hanger rod is provided with a base, a plurality of adjusting sleeves and a hanging scaffold are slidably sleeved on the hanger rod, and the adjusting sleeves are used for adjusting the height of the hanging scaffold relative to the base; the middle part of platform sling is equipped with the collar that matches with the jib, the upper surface of platform sling has a plurality of protruding muscle along the outer wall circumference evenly distributed of collar sling, form the installation cavity between the adjacent protruding muscle, the chamber end equipartition of every installation cavity is equipped with a mounting hole, and the chamber end equipartition of every installation cavity is equipped with a plurality of through-holes, the lower surface of platform sling has a plurality of baffles along the outer wall circumference evenly distributed of collar sling, the baffle corresponds the setting with protruding muscle, and the lower surface edge downwardly extending of platform sling is equipped with ring baffle. The utility model has the advantages of convenient assembly, strong universality, high structural strength, high heat treatment efficiency and the like.

Description

Tooling lifting appliance for vacuum heat treatment of slender shaft parts
Technical Field
The utility model relates to a tooling hanger, in particular to a tooling hanger for vacuum heat treatment of slender shaft parts, and belongs to the technical field of heat treatment tooling hangers.
Background
The heat treatment is a metal hot working process for changing the chemical components and structures on the surface or in the material to obtain the required performance by heating, heat preservation and cooling the workpiece in a solid state. For conventional heat treatment, workpieces to be heat treated are often stacked in a heat treatment heating furnace, the workpieces are contacted with each other, the contacted parts are shielded from each other, and the shielded parts on the workpieces often cause the temperature of the workpieces to be uneven inside and outside, so that the heat treatment quality is influenced.
The pit furnace is one of the main boiler forms in current machining production, is in a cylindrical deep well structure, is mainly used for carrying out heat treatment such as uniform annealing, tempering, heating and the like on slender shaft parts, is common tempering treatment equipment with good tempering effect and relatively energy saving, and can also be used for carrying out stress relief or annealing heat treatment.
The tooling lifting appliance has very important function in the heat treatment operation, especially when the pit furnace is adopted for operation, the tooling lifting appliance can not be opened, the tooling lifting appliance commonly used for the pit furnace in the prior art can only meet the placing requirements of parts with single shape and single size, the application range is small, the production efficiency is low, the problem of cost waste exists, in most cases, only a single part can be placed in order to avoid accumulation, the heating and cooling of large-batch parts are not utilized, the heat treatment cost is increased, in addition, the tooling lifting appliance can be heated and cooled together with the parts, the repeated use is needed, and the problems of oxidation, deformation, cracking and the like are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at the problems in the prior art and provides a tool lifting appliance for vacuum heat treatment of slender shaft parts.
The purpose of the utility model is mainly realized by the following scheme:
the tooling lifting appliance for the vacuum heat treatment of the slender shaft parts comprises a vertically arranged lifting rod, wherein a lifting ring is arranged at the top of the lifting rod, a base is arranged at the bottom of the lifting rod, a plurality of adjusting sleeves and a lifting platform are slidably sleeved on the lifting rod, and the adjusting sleeves are used for adjusting the height of the lifting platform relative to the base; the middle part of platform sling is equipped with the collar that matches with the jib, and the upper surface of platform sling has a plurality of protruding muscle along the outer wall circumference evenly distributed of collar sling, forms the installation cavity between the adjacent protruding muscle, and the chamber end equipartition of every installation cavity is equipped with a mounting hole, and the chamber end equipartition of every installation cavity is equipped with a plurality of through-holes, and the lower surface of platform sling has a plurality of baffles along the outer wall circumference evenly distributed of collar sling, the baffle corresponds the setting with protruding muscle, and the lower surface edge downwardly extending of platform sling is equipped with annular baffle.
Preferably, the upper part of the hanger rod is provided with a supporting slotted hole.
Preferably, the upper part of the suspender is positioned below the supporting slotted hole and is also provided with a guide part which is convenient for installing the adjusting sleeve and the hanging scaffold.
Preferably, the bottom of the suspender is in a round platform-shaped structure, and the middle part of the base is provided with a fixing hole matched with the bottom of the suspender.
Preferably, the upper surface of base is equipped with a plurality of holding tanks, is equipped with the backup pad between the adjacent holding tank, and the tank bottom equipartition of holding tank is equipped with a plurality of louvres.
Preferably, the middle part of the adjusting sleeve is provided with an adjusting sliding hole matched with the hanging rod, and the adjusting sleeve is also provided with a plurality of radiating holes uniformly distributed in an installation slotted hole.
Preferably, a plurality of grid holes are arranged on the convex rib.
Preferably, the edge of the mounting hole in the mounting cavity adopts an arc smooth transition.
Preferably, the hanger rod, the base, the adjusting sleeve and the hanging scaffold are all made of heat-resistant steel castings.
Therefore, compared with the prior art, the utility model has the following advantages:
(1) according to the utility model, through the arranged hanging scaffold and the mounting holes on the hanging scaffold, when the heat treatment of the slender shaft type parts is carried out, the hanging scaffold is mounted with the right side facing upwards, the slender shaft type parts can be freely suspended and stably fixed on the mounting holes, the diameters of the mounting holes are different, the hanging scaffold can be suitable for the shaft type parts with various sizes, and the shaft type parts are separated through the convex ribs, so that the heat treatment temperature is uniform, the deformation is not easy, and the heat treatment quality of the slender shaft type parts is improved;
(2) according to the utility model, through the partition plate and the annular baffle plate which are arranged on the bottom surface of the hanging scaffold, the heat treatment of slender shaft parts is carried out, the hanging scaffold can be also installed with the bottom surface upward, conventional block-shaped workpieces or gear-type workpieces are placed on the bottom surface of the hanging scaffold, and the parts to be subjected to heat treatment are separated through the partition plate, so that the heat treatment temperature is uniform, and the application range is wide;
(3) according to the utility model, the accommodating groove is formed in the base and is used for accommodating conventional block-shaped workpieces or gear workpieces, so that the heat treatment operation of a plurality of parts can be carried out at one time, and the working efficiency is improved;
(4) according to the utility model, through the heat dissipation holes arranged on the base, the through holes on the hanging scaffold and the grid holes on the convex ribs, the fluidity of the atmosphere in the heating furnace is ensured, and the requirements of uniform heating and uniform cooling can be met, so that the uniform hardness and the minimum deformation of the parts after heat treatment are ensured;
(5) the deformation of the tool lifting appliance can be effectively controlled and the service life of the tool lifting appliance can be prolonged through the convex ribs and the partition plates arranged on the hanging scaffold and the supporting plate on the base;
(6) according to the utility model, the hoisting ring and the supporting slot hole are arranged on the hoisting rod, the hoisting ring is convenient for hoisting the tool lifting appliance, an operator can hook the supporting slot hole by using the hook through single-person operation to carry out furnace discharging operation of the tool lifting appliance, the operator is far away from the heating furnace, and burning of hot waves is avoided;
(7) according to the utility model, through the arrangement of the adjusting sleeves, the layers, the heights and the loading capacity of the hanging scaffold can be adapted by replacing the adjusting sleeves in any combination according to the number, the types and the weight of heat-treated parts, the flexibility is strong, the mounting and the dismounting are convenient, and the operation is simple.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the construction of the hanger bar of the present invention;
FIG. 4 is a schematic view of the adjusting sleeve of the present invention;
FIG. 5 is a schematic view of the structure of the base of the present invention;
FIG. 6 is a schematic front view of the platform of the present invention;
FIG. 7 is a schematic view of the bottom structure of the platform of the present invention;
FIG. 8 is a top view of the platform of the present invention;
FIG. 9 is a schematic structural view of example 2 of the present invention;
FIG. 10 is another schematic structural view of embodiment 3 of the present invention.
Illustration of the drawings: 1-hanger rod, 2-hanging ring, 3-base, 4-adjusting sleeve, 5-hanging scaffold, 6-mounting ring, 7-convex rib, 8-mounting cavity, 9-mounting hole, 10-through hole, 11-clapboard, 12-annular baffle, 13-supporting slotted hole, 14-guiding part, 15-fixing hole, 16-holding groove, 17-supporting plate, 18-heat dissipation hole, 19-adjusting sliding hole, 20-mounting slotted hole and 21-grid hole.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the utility model is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the utility model.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
Example 1:
as shown in fig. 1 and 2, the utility model provides a technical scheme that a tooling hanger for vacuum heat treatment of slender shaft parts comprises a vertically arranged hanger rod 1, a hanging ring 2 is welded at the top of the hanger rod 1, a base 3 is fixedly installed at the bottom of the hanger rod 1, a plurality of adjusting sleeves 4 and a hanging scaffold 5 are slidably sleeved on the hanger rod 1, and the adjusting sleeves 4 are used for adjusting the height of the hanging scaffold 5 relative to the base 3.
As shown in fig. 6, 7 and 8, a mounting ring 6 matched with the suspender 1 is integrally arranged in the middle of the hanging scaffold 5, an inner hole of the mounting ring 6 is matched with the outer wall of the suspender 1, so that the hanging scaffold 5 is prevented from shaking when being mounted on the suspender 1, five convex ribs 7 are uniformly distributed on the upper surface of the hanging scaffold 5 along the circumference of the outer wall of the mounting ring 6, two grid holes 21 are arranged on the convex ribs 7, mounting cavities 8 are formed between the adjacent convex ribs 7, a mounting hole 9 is uniformly distributed at the bottom of each mounting cavity 8, the edges of the mounting holes 9 are in arc smooth transition, the diameters of the mounting holes 9 are different, can be applicable to the axle type part of multiple size, and the equipartition is equipped with a plurality of through-holes 10 at the bottom of every installation cavity 8's the chamber, and the lower surface of platform sling 5 has five baffles 11 along the outer wall circumference evenly distributed of collar sling 6, and the position of baffle 11 corresponds the setting with the position of protruding muscle 7, and the lower surface edge downwardly extending of platform sling 5 is equipped with annular baffle 12.
When the slender shaft parts are subjected to heat treatment, the hanging scaffold 5 is installed with the right side facing upwards, the slender shaft parts can be freely suspended and stably fixed on the mounting holes 9, the diameters of the mounting holes 9 are different, the slender shaft parts can be suitable for shaft parts of various sizes, the shaft parts are separated through the convex ribs 7, the heat treatment temperature is uniform, the slender shaft parts are not easy to deform, and the heat treatment quality of the slender shaft parts is improved; besides the heat treatment of the slender shaft type parts, the hanging scaffold 5 can also be installed with the bottom surface upward, conventional block-shaped workpieces or gear type workpieces are placed on the bottom surface of the hanging scaffold 5, the parts to be subjected to heat treatment are separated through the partition plates 11, the heat treatment temperature is uniform, and the application range is wide.
As shown in fig. 3, the upper part of the suspender 1 is transversely provided with a supporting slot hole 13, when the furnace discharging operation is carried out, the hoisting ring 2 is convenient for hoisting the tool lifting appliance, an operator can hook the supporting slot hole 13 by using a hook through single-person operation to carry out the furnace discharging operation of the tool lifting appliance, the operator is far away from the heating furnace, and the burning of hot waves is avoided; in addition, the upper part of the suspender 1 is positioned below the supporting slotted hole 13 and is also provided with a guide part 14 which is convenient for installing the adjusting sleeve 4 and the hanging scaffold 5, and the diameter of the guide part 14 from the upper end to the lower end is gradually increased; the bottom of jib 1 is round platform column structure, and the middle part of base 3 is equipped with and 1 bottom assorted fixed orifices 15 of jib, adopts welding or threaded connection to fix between jib 1 and the base 3 in this embodiment.
As shown in fig. 5, five receiving grooves 16 are uniformly formed on the upper surface of the base 3 along the axis thereof, a supporting plate 17 is disposed between adjacent receiving grooves 16, and a plurality of heat dissipation holes 18 are uniformly formed at the bottom of each receiving groove 16.
As shown in fig. 4, the middle part of the adjusting sleeve 4 is provided with an adjusting slide hole 19 matched with the hanger rod 1, and the adjusting sleeve 4 is further provided with a mounting slot hole 20, so that the adjusting sleeve 4 can be conveniently mounted and dismounted, and the adjusting sleeve 4 can be replaced to be combined freely according to the number, the type and the weight of heat treatment parts, so that the layers, the height and the loading capacity of the hanging scaffold 5 can be adapted, and the hanging scaffold is high in flexibility and simple to operate.
The hanger rod 1, the base 3, the adjusting sleeve 4 and the hanging scaffold 5 are all made of heat-resistant steel castings, and are small in deformation and durable.
In the embodiment shown in fig. 1, two hanging scaffold 5 with the front surface facing upward are provided, two adjusting sleeves 4 are installed between the base 3 and the lower hanging scaffold 5, three adjusting sleeves 4 are installed between the two hanging scaffold 5, the upper hanging scaffold 5 and the lower hanging scaffold 5 are both used for placing slender shaft type parts, and the base 3 is used for placing conventional block-shaped workpieces or gear type workpieces.
Example 2:
as shown in fig. 9, a first hanging scaffold 5 with an upward front surface and an upward bottom surface is provided, two adjusting sleeves 4 are installed between the base 3 and the lower hanging scaffold 5, three adjusting sleeves 4 are installed between the two hanging scaffolds 5, the upper hanging scaffold 5 with an upward front surface is used for placing slender shaft type parts, the lower hanging scaffold 5 with an upward bottom surface and the base 3 are both used for placing conventional block-shaped workpieces or gear type workpieces.
Example 3:
as shown in fig. 10, two hanging scaffold 5 with the bottom surface facing upwards are provided, two adjusting sleeves 4 are installed between the base 3 and the lower hanging scaffold 5, three adjusting sleeves 4 are installed between the two hanging scaffold 5, and the bottom surfaces of the upper hanging scaffold 5, the lower hanging scaffold 5 and the base 3 are all used for placing conventional block-shaped workpieces or gear-type workpieces.
The utility model provides a tooling lifting appliance for vacuum heat treatment of slender shaft parts, which is characterized in that through the arranged lifting platform and mounting holes positioned on the lifting platform, when the slender shaft parts are subjected to heat treatment, the front sides of the lifting platforms are upwards mounted, the slender shaft parts can be freely suspended and stably fixed on the mounting holes, the diameters of the mounting holes are different, the tooling lifting appliance can be suitable for shaft parts with various sizes, the shaft parts are separated through convex ribs, the heat treatment temperature is uniform, the slender shaft parts are not easy to deform, and the heat treatment quality of the slender shaft parts is improved; through the partition plate and the annular baffle plate arranged on the bottom surface of the hanging scaffold, the hanging scaffold can be installed with the bottom surface upward, conventional blocky workpieces or gear workpieces are placed on the bottom surface of the hanging scaffold, the parts to be subjected to heat treatment are separated through the partition plate, the heat treatment temperature is uniform, and the application range is wide; the accommodating groove is formed in the base and used for accommodating conventional block-shaped workpieces or gear workpieces, so that heat treatment operation of a plurality of parts can be performed at one time, and the working efficiency is improved; through the heat dissipation holes arranged on the base, the through holes on the hanging scaffold and the grid holes on the convex ribs, the fluidity of the atmosphere in the heating furnace is ensured, the requirements of uniform heating and uniform cooling can be met, and the uniform hardness and the minimum deformation of the parts after heat treatment are ensured; the deformation of the tool lifting appliance can be effectively controlled and the service life of the tool lifting appliance can be prolonged through the convex ribs and the partition plates arranged on the hanging scaffold and the supporting plate on the base; the lifting ring is convenient for lifting the tool lifting appliance through the lifting ring and the supporting groove hole which are arranged on the lifting rod, an operator can hook the supporting groove hole through a hook through single-person operation to carry out furnace discharging operation of the tool lifting appliance, the operator is far away from the heating furnace, and burning of hot waves is avoided; through the adjusting sleeve that sets up, can be according to the quantity, kind, the weight of thermal treatment part, through changing the arbitrary combination of adjusting sleeve, realize the adaptation of the level, the height and the loading capacity of platform sling, the flexibility is strong, is convenient for install and dismantle easy operation.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims (9)

1. Slender axles class part frock hoist for vacuum heat treatment, including jib (1) of vertical setting, its characterized in that: the lifting device is characterized in that a lifting ring (2) is arranged at the top of the lifting rod (1), a base (3) is installed at the bottom of the lifting rod (1), a plurality of adjusting sleeves (4) and a hanging scaffold (5) are slidably sleeved on the lifting rod (1), and the adjusting sleeves (4) are used for adjusting the height of the hanging scaffold (5) relative to the base (3); the middle part of platform sling (5) is equipped with collar (6) that matches with jib (1), and the upper surface of platform sling (5) has a plurality of protruding muscle (7) along the outer wall circumference evenly distributed of collar sling (6), forms installation cavity (8) between adjacent protruding muscle (7), and the equipartition is equipped with one mounting hole (9) at the bottom of the chamber of every installation cavity (8), and the equipartition is equipped with a plurality of through-holes (10) at the bottom of the chamber of every installation cavity (8), and the outer wall circumference evenly distributed of collar sling (6) is followed to the lower surface of platform sling (5) has a plurality of baffles (11), the position of baffle (11) corresponds the setting with the position of protruding muscle (7), and the lower surface edge downwardly extending of platform sling (5) is equipped with ring baffle (12).
2. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 1, characterized in that: the upper part of the suspender (1) is provided with a supporting slotted hole (13).
3. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 2, characterized in that: the upper part of the suspender (1) is positioned below the supporting slotted hole (13) and is also provided with a guide part (14) which is convenient for installing the adjusting sleeve (4) and the hanging scaffold (5).
4. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 3, characterized in that: the bottom of jib (1) is round platform column structure, the middle part of base (3) is equipped with and jib (1) bottom assorted fixed orifices (15).
5. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 4, characterized in that: the upper surface of base (3) is equipped with a plurality of holding tanks (16), is equipped with backup pad (17) between adjacent holding tank (16), and the tank bottom equipartition of holding tank (16) is equipped with a plurality of louvres (18).
6. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 1, characterized in that: the middle part of the adjusting sleeve (4) is provided with an adjusting slide hole (19) matched with the suspender (1), and the adjusting sleeve (4) is also provided with a mounting groove hole (20).
7. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 1, characterized in that: the convex ribs (7) are provided with a plurality of grid holes (21).
8. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 1, characterized in that: the edges of the mounting holes (9) in the mounting cavity (8) are in arc smooth transition.
9. The tooling hanger for vacuum heat treatment of slender shaft parts according to claim 1, characterized in that: the hanger rod (1), the base (3), the adjusting sleeve (4) and the hanging scaffold (5) are all made of heat-resistant steel castings.
CN202220744119.XU 2022-04-01 2022-04-01 Tooling lifting appliance for vacuum heat treatment of slender shaft parts Active CN216947124U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220744119.XU CN216947124U (en) 2022-04-01 2022-04-01 Tooling lifting appliance for vacuum heat treatment of slender shaft parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220744119.XU CN216947124U (en) 2022-04-01 2022-04-01 Tooling lifting appliance for vacuum heat treatment of slender shaft parts

Publications (1)

Publication Number Publication Date
CN216947124U true CN216947124U (en) 2022-07-12

Family

ID=82299526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220744119.XU Active CN216947124U (en) 2022-04-01 2022-04-01 Tooling lifting appliance for vacuum heat treatment of slender shaft parts

Country Status (1)

Country Link
CN (1) CN216947124U (en)

Similar Documents

Publication Publication Date Title
CN102211732B (en) Conical piece hoisting device
CN216947124U (en) Tooling lifting appliance for vacuum heat treatment of slender shaft parts
CN109321738A (en) A kind of elongate barrel, forged shaft are heat-treated cold lifting pallet and its application method
CN219860069U (en) Well type carburizing furnace heat treatment lifting appliance for rim
CN215002884U (en) Intermediate frequency induction furnace ramming type crucible fence
CN212293722U (en) Suspension assembly for carburizing and quenching disc-hole parts
CN216613682U (en) Inner cover lifting appliance
CN210505229U (en) Lifting appliance for copper strip coil
CN218089715U (en) Well formula is frock hanger for stove
CN106086317A (en) Heat treatment method
CN216152251U (en) Auxiliary mounting and dismounting device for large-sized nut
CN215440557U (en) Metal heat treatment quenching furnace lifting appliance
CN212982232U (en) Special lifting appliance for deep well type resistance furnace
CN210944594U (en) Rotary hanger for replacing furnace tube in furnace
CN211036034U (en) Steel wire heat treatment tray
CN110129533A (en) A kind of heat treatment pit-type furnace built-in type quenching tooling and its assembly method
CN216337861U (en) Supporting shaft heat treatment integral quenching tool
CN217458466U (en) Pump cylinder pit furnace high-temperature carbonitriding assembled suspension device
CN219156261U (en) Mould heat treatment hoist device
CN214733726U (en) Valve body quenching and tempering blowing device
CN213476049U (en) Quenching tray for large star-shaped heat-resistant steel profiling forging ring
CN220317929U (en) Gear shaft carburizing and charging tool
CN111422731A (en) Hanging basket for blackening small metal parts
CN216126555U (en) Burn boat
CN216482284U (en) Large-scale industrial furnace is with big charging tray

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant