CN212713644U - Helical gear single-tooth induction heating quenching equipment - Google Patents
Helical gear single-tooth induction heating quenching equipment Download PDFInfo
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- CN212713644U CN212713644U CN202021594810.1U CN202021594810U CN212713644U CN 212713644 U CN212713644 U CN 212713644U CN 202021594810 U CN202021594810 U CN 202021594810U CN 212713644 U CN212713644 U CN 212713644U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a helical gear single tooth induction heating quenching equipment, include the stand bottom plate of fixing on ground through pre-buried bolt, the last fixed surface of stand bottom plate is provided with the stand, and the last fixed surface edge of stand has the motor cabinet, and the last fixed surface of motor cabinet is provided with elevator motor, and elevator motor is connected with elevating system, is provided with moving mechanism on the elevating system, and moving mechanism and transformer connecting plate fixed connection, the side surface of transformer connecting plate are provided with the transformer mount pad. This helical gear single tooth induction heating quenching equipment drives the inductor through elevating system and goes up and down, and moving mechanism drives the inductor and removes, and front and back adjustment mechanism drives the inductor fore-and-aft regulation, realizes the accurate regulation of six directions about from top to bottom, and the cooperation drives the rotatory work piece rotation mechanism of helical gear, can conveniently carry out single tooth induction heating quenching to the helical gear of different specifications, can satisfy present production needs.
Description
Technical Field
The utility model relates to the technical field of heat treatment, in particular to a helical gear single-tooth induction heating quenching device.
Background
The gear is a common part which is frequently used in mechanical transmission, adopts high-quality high-strength alloy steel, is subjected to surface carburizing and hardening treatment, and has strong bearing capacity and durability. In practical application, the helical gear has the characteristics of stable transmission, small impact, vibration and noise and the like, so that the helical gear is widely used in high-speed and heavy-load occasions.
When ordinary straight-tooth cylindrical gear is in heat treatment, in order to reduce power consumption and heat evenly, single-tooth induction heating is generally adopted, the helical-tooth cylindrical gear structure is different from the ordinary straight-tooth cylindrical gear structure, helical-tooth cylindrical gears of different specifications have different helical angles, the machining process is more complex, a workpiece needs to be rotated during single-tooth induction heating, and meanwhile, a lifting heating inductor is matched, so that the required precision is higher, the existing quenching equipment cannot meet the production requirement, and therefore the helical-gear single-tooth induction heating quenching equipment is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, a helical gear single tooth induction heating quenching equipment is provided, it goes up and down to drive the inductor through elevating system, moving mechanism drives and removes about the inductor, front and back adjustment mechanism drives the inductor and adjusts around, the accurate regulation of six directions about the realization about from top to bottom, the cooperation drives the rotatory work piece rotation mechanism of helical gear, can conveniently carry out single tooth induction heating quenching to the helical gear of different specifications, can satisfy present production needs, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a helical gear single-tooth induction heating quenching device comprises an upright post bottom plate fixed on the ground through pre-buried bolts, wherein an upright post is fixedly arranged on the upper surface of the upright post bottom plate, a motor base is fixedly arranged at the edge of the upper surface of the upright post, a lifting motor is fixedly arranged on the upper surface of the motor base and connected with the lifting mechanism, a moving mechanism is arranged on the lifting mechanism and fixedly connected with a transformer connecting plate, a transformer mounting base is arranged on the side surface of the transformer connecting plate, a front and back adjusting mechanism is fixedly arranged on the upper surface of the transformer mounting base, a transformer is fixedly arranged on the upper surface of the front and back adjusting mechanism, a transition row is arranged on the side surface of the transformer, an inductor is arranged at the end part of the transition row, the input end part of the inductor is electrically connected with the, and a workpiece slewing mechanism is arranged on the outer side of the upright post.
As a preferred technical scheme of the utility model, elevating system includes lift screw seat, elevating screw thread piece and two elevating guide, the fixed side surface that sets up at the stand of lift screw seat, two elevating guide settings are in the both sides of the lift screw seat on the stand side surface, and elevating screw is connected at the through-hole internal rotation that elevating screw seat upper surface was seted up, and elevating screw passes through shaft coupling and elevator motor's output shaft, and elevating screw thread piece threaded connection, and two lifting slide blocks of connecting piece fixedly connected with are passed through to the both sides surface of elevating screw thread piece, and two lifting slide block are sliding connection on two elevating guide respectively.
As a preferred technical proposal of the utility model, the moving mechanism comprises a beam, a moving motor, a moving lead screw seat, a moving lead screw thread block, a fixed block and a moving lead screw, the moving lead screw thread block is fixedly connected with the lifting lead screw thread block through a connecting piece, the side surface of the beam is provided with a through groove matched with the moving lead screw thread block, the beam is arranged outside the moving lead screw thread block in a sliding way through the through groove, the moving motor and the moving lead screw seat are both fixedly arranged on the beam, the output shaft of the moving motor is connected with the moving lead screw through a shaft coupling, the moving lead screw rotates in a through hole arranged on the side surface of the moving lead screw seat, the moving lead screw is in threaded connection with the moving lead screw thread block, the fixed block is fixedly connected with the lifting slide block, the side surface of the beam is provided with a moving guide rail, and the transformer connecting plate is fixedly arranged on the side surface of one end of the beam far away from the moving motor.
As a preferred technical scheme of the utility model, front and back adjustment mechanism is including adjusting upper plate and fixed hypoplastron, and the fixed upper surface that sets up at the transformer mount pad of fixed hypoplastron, the upper surface at adjusting the upper plate is installed to the transformer, the fixing base has been installed to the upper surface middle part side department of fixed hypoplastron, and the through-hole has been seted up to the side surface of fixing base, and the through-hole internal rotation is provided with the screw rod, and the end fixing of screw rod is provided with the hand wheel, and the spout has been seted up to the upper surface of fixed hypoplastron, slides in the spout and is provided with the sliding seat, the upper surface of sliding seat with adjust upper plate fixed connection, the lower surface bilateral symmetry of adjusting the upper plate is provided with two sets of sliders, and.
As a preferred technical scheme of the utility model, work piece rotation mechanism passes through pre-buried bolt fastening on ground including the rotary table bottom plate, the last fixed surface of rotary table bottom plate is provided with the rotary table mount pad, the last surface mounting of rotary table mount pad has the rotary table, the outside surface mounting of rotary table has the rotary motor, the output shaft of rotary motor is connected with the inside rotary driving mechanism of rotary table, the last fixed surface of rotary table is provided with the graduated disk, the upper surface rotation of graduated disk is provided with the chuck connecting seat, the chuck connecting seat is connected with rotary driving mechanism, the last fixed surface of chuck connecting seat is provided with three-jaw chuck.
Compared with the prior art, the beneficial effects of the utility model are that: the helical gear single-tooth induction heating quenching equipment of the example of the utility model drives the inductor to lift through the lifting mechanism, the moving mechanism drives the inductor to move left and right, the front and back adjusting mechanism drives the inductor to adjust front and back, thereby realizing the accurate adjustment in six directions, namely up, down, left, right, front and back, and matching with the workpiece rotating mechanism driving the helical gears to rotate, the helical gears with different specifications can be conveniently subjected to single-tooth induction heating quenching, and the current production requirement can be met; the upright column base plate and the upright column are integrally welded, and are subjected to vibration aging treatment, so that the upright column has good rigidity, thermal stability and vibration resistance; the lifting mechanism and the moving mechanism adopt a servo motor to drive the ball screw through the speed change mechanism to realize lifting and moving, the moving speed can be set according to the requirements of the part quenching process, the transmission is light, the guiding precision is high, and the positioning is accurate; the double-ball screw mechanism is adopted, the ball screw has the characteristic of self-lubrication, and the use is more convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention during operation;
FIG. 3 is a schematic structural view of the column part of the present invention;
fig. 4 is a schematic side view of the structure of fig. 3 according to the present invention;
FIG. 5 is a schematic structural view of the front-back adjusting mechanism of the present invention;
fig. 6 is a schematic structural diagram of the workpiece rotating mechanism of the present invention.
In the figure: the device comprises a base plate of an upright column 1, an upright column 2, a lifting motor 21, a lifting screw seat 22, a lifting screw 23, a lifting screw thread block 24, a lifting slide block 25, a lifting guide rail 26, a cross beam 3, a moving motor 31, a moving screw seat 32, a moving screw thread block 33, a fixed block 34, a moving screw 35, a transformer connecting plate 4, a transformer mounting seat 41, a transformer 42, a front and back adjusting mechanism 5, an adjusting upper plate 51, a fixed lower plate 52, a fixed seat 53, a screw 54, a sliding seat 55, a hand wheel 56, a slide block 57, a guide rod 58, a transition row 6, a sensor 61, a base plate of a rotary worktable 7, a mounting seat of a rotary worktable 71, a rotary worktable 72, a chuck connecting seat 73, a three-jaw chuck 74 and an operating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a helical gear single-tooth induction heating quenching device comprises an upright post base plate 1 fixed on the ground through embedded bolts, an upright post 2 is fixedly arranged on the upper surface of the upright post base plate 1, the upright post base plate 1 and the upright post 2 are integrally welded and subjected to vibration aging treatment, and the helical gear single-tooth induction heating quenching device has good rigidity, thermal stability and vibration resistance, a motor base is fixedly arranged at the edge of the upper surface of the upright post 2, a lifting motor 21 is fixedly arranged on the upper surface of the motor base, the lifting motor 21 is preferably a servo motor with the model of Mige 130ST-M10025 and is controlled by an external servo driver, the lifting motor 21 is connected with a lifting mechanism, a moving mechanism is arranged on the lifting mechanism, the moving mechanism is fixedly connected with a transformer connecting plate 4, a transformer mounting seat 41 is arranged on the side surface of the transformer connecting plate 4, a front and rear adjusting mechanism 5 is fixedly arranged on the upper, the transition row 6 is installed to the side surface of transformer 42, inductor 61 is installed to the tip of transition row 6, the preferred M8 monodentate inductor of inductor 61, the input of inductor 61 is connected with the output electricity of transformer 42, the input of transformer 42 is connected with the output electricity of external induction heating power, the outside of stand 2 is provided with work piece rotation mechanism, this helical gear monodentate induction heating quenching equipment, it goes up and down to drive inductor 61 through elevating system, moving mechanism drives inductor 61 and moves about, front and back adjustment mechanism 5 drives inductor 61 and adjusts from beginning to end, realize the accurate regulation of six directions from top to bottom, the cooperation drives the rotatory work piece rotation mechanism of helical gear, can conveniently carry out monodentate induction heating quenching to the helical gear of different specifications, can satisfy present production needs.
The lifting mechanism comprises a lifting screw seat 22, a lifting screw 23, a lifting screw thread block 24 and two lifting guide rails 26, the lifting screw seat 22 is fixedly arranged on the side surface of the upright post 2, the two lifting guide rails 26 are arranged on the two sides of the lifting screw seat 22 on the side surface of the upright post 2, the lifting screw 23 is rotatably connected with a through hole arranged on the upper surface of the lifting screw seat 22, the lifting screw 23 is connected with an output shaft of the lifting motor 21 through a coupler, the lifting screw 23 adopts a double-ball screw mechanism, the ball screw has the characteristic of self-lubrication and is more convenient to use, the lifting screw 23 is in threaded connection with the lifting screw thread block 24, the lifting motor 21 drives the lifting screw thread block 24 to lift through the lifting screw 23, the two side surfaces of the lifting screw thread block 24 are fixedly connected with two lifting slide blocks 25 through connecting pieces, and the two lifting slide blocks 25, the use stability is improved.
The moving mechanism comprises a cross beam 3, a moving motor 31, a moving lead screw seat 32, a moving lead screw thread block 33, a fixed block 34 and a moving lead screw 35, the moving motor 31 is preferably a servo motor with the model of a Mige 130ST-M07725 and is controlled by an external servo driver, the moving lead screw thread block 33 is fixedly connected with a lifting lead screw thread block 24 through a connecting piece, a through groove matched with the moving lead screw thread block 33 is formed in the side surface of the cross beam 3, the cross beam 3 is arranged outside the moving lead screw thread block 33 in a sliding mode through the through groove, the moving motor 31 and the moving lead screw seat 32 are both fixedly arranged on the cross beam 3, an output shaft of the moving motor 31 is connected with the moving lead screw 35 through a coupler, the moving lead screw 35 adopts a double-ball screw mechanism, the ball screw has the characteristic of self-lubrication and is more convenient to use, the movable lead screw 35 is in threaded connection with the movable lead screw thread block 33, the fixed block 34 is fixedly connected with the lifting slide block 25, a movable guide rail is arranged on the side surface of the cross beam 3, a guide rail groove matched with the movable guide rail is formed in the side surface of the fixed block 34, the transformer connecting plate 4 is fixedly arranged on the side surface of one end, far away from the movable motor 31, of the cross beam 3, the lifting mechanism and the moving mechanism adopt a servo motor to drive the ball screw through a speed change mechanism to achieve lifting and moving, the moving speed can be set according to the requirements of a part quenching process, transmission is light and fast, guiding.
The front-back adjusting mechanism 5 comprises an adjusting upper plate 51 and a fixing lower plate 52, the fixing lower plate 52 is fixedly arranged on the upper surface of a transformer mounting seat 41, a transformer 42 is arranged on the upper surface of the adjusting upper plate 51, a fixing seat 53 is arranged at the side edge of the middle part of the upper surface of the fixing lower plate 52, a through hole is arranged on the side surface of the fixing seat 53, a screw rod 54 is rotatably arranged in the through hole, a hand wheel 56 is fixedly arranged at the end part of the screw rod 54, a sliding groove is arranged on the upper surface of the fixing lower plate 52, a sliding seat 55 is slidably arranged in the sliding groove, the upper surface of the sliding seat 55 is fixedly connected with the adjusting upper plate 51, the screw rod 54 is rotated through the hand wheel 56, the sliding seat 55 drives the transformer 42 to move back and forth through the adjusting upper plate 51, so that the omnibearing adjustment is convenient to realize, the two groups of sliding blocks 57 are respectively slidably arranged on the two guide rods 58 and used for assisting in driving the adjusting upper plate 51 to move back and forth, so that the movement is more stable.
The workpiece rotating mechanism is fixed on the ground through embedded bolts and comprises a rotating table bottom plate 7, a rotating table mounting seat 71 is fixedly arranged on the upper surface of the rotating table bottom plate 7, a rotating table 72 is mounted on the upper surface of the rotating table mounting seat 71, a rotating motor is mounted on the outer side surface of the rotating table 72, the rotating motor is preferably a servo motor with the model of a Mige 130ST-M15015 and controlled by an external servo driver, an output shaft of the rotating motor is connected with a rotating driving mechanism inside the rotating table 72, an index plate is fixedly arranged on the upper surface of the rotating table 72, a chuck connecting seat 73 is rotatably arranged on the upper surface of the index plate, the chuck connecting seat 73 is connected with the rotating driving mechanism, a three-jaw chuck 74 is fixedly arranged on the upper surface of the chuck connecting seat 73, the rotating table 72 drives a helical gear to rotate, and single-tooth induction quenching processing is facilitated, the indexing disc rotates to index, adapts to single tooth groove intermittent quenching, and can arbitrarily index, segment, change speed and carry out scanning quenching in a parameter range under the control of the servo driver.
The cantilever operation cabinet 8 is arranged on the side surface of the top end of the upright post 2, the input end of the cantilever operation cabinet 8 is electrically connected with the output end of an external power supply, the input end of an external servo driver is electrically connected with the output end of the cantilever operation cabinet 8,
the utility model discloses servo driver, cantilever operation cabinet 8, transformer 42, moving motor 31, elevator motor 21, inductor 61 and rotating electrical machines etc. that use are the electronic component commonly used among the prior art, and its working method and circuit structure are the well-known technology, do not describe here any more.
When in use:
fixing the bevel gear to be processed into a three-jaw chuck 74, operating a cantilever operation cabinet 8 and setting parameters of a corresponding servo driver according to the specification and the model of the bevel gear to be processed, installing a corresponding sensor 61 on a transition row 6, rotating a screw rod 54 through a hand wheel 56 according to actual quenching requirements, enabling a sliding seat 55 to drive an adjusting clamping plate 51 to move to a corresponding position, adjusting the position of a transformer 42, then switching on an external induction heating power supply, turning on the sensor 61, operating the cantilever operation cabinet 8, turning on a moving motor 31, a rotary motor and a lifting motor 21, driving the moving motor 31 to drive a moving lead screw 35 to rotate, driving the moving lead screw 35 to rotate in a screw hole of a moving lead screw thread block 33, fixedly installing the moving lead screw thread block 33, driving a cross beam to move under the driving of the moving lead screw 35 so as to drive the transformer 42, the filter row 6 and the sensor 61 to, inductor 61 moves and quenches the gear groove of helical gear, rotating electrical machines drives chuck connecting seat 73 through rotary driving mechanism and rotates simultaneously, thereby it rotates to drive helical gear through three-jaw chuck 74, elevator motor 21 drives elevator screw thread block 24 through elevator screw 23 and goes up and down, thereby it goes up and down to drive inductor 61 through crossbeam 3, carry out the monodentate induction hardening to the helical gear, it goes up and down to drive inductor 61 through elevating system, moving mechanism drives inductor 61 and removes about, front and back adjustment mechanism 5 drives inductor 61 and adjusts around, realize the accurate regulation of six directions from top to bottom, the cooperation drives the rotatory work piece rotation mechanism of helical gear, can conveniently carry out the monodentate induction hardening to the helical gear of different specifications, can satisfy present production needs.
The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. 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 (5)
1. The utility model provides a helical gear single tooth induction heating quenching equipment, includes stand bottom plate (1) through pre-buried bolt fastening on ground, its characterized in that: the upper surface of the upright post bottom plate (1) is fixedly provided with an upright post (2), the edge of the upper surface of the upright post (2) is fixedly provided with a motor base, the upper surface of the motor base is fixedly provided with a lifting motor (21), the lifting motor (21) is connected with a lifting mechanism, the lifting mechanism is provided with a moving mechanism, the moving mechanism is fixedly connected with a transformer connecting plate (4), the side surface of the transformer connecting plate (4) is provided with a transformer mounting seat (41), the upper surface of the transformer mounting seat (41) is fixedly provided with a front and rear adjusting mechanism (5), the upper surface of the front and rear adjusting mechanism (5) is fixedly provided with a transformer (42), the side surface of the transformer (42) is provided with a transition row (6), the end part of the transition row (6) is provided with an inductor (61), the input end part of the inductor (61) is electrically connected with the output end part of the transformer, and a workpiece rotating mechanism is arranged on the outer side of the upright post (2).
2. The helical gear single tooth induction hardening apparatus as set forth in claim 1, wherein: elevating system includes lifting screw seat (22), lifting screw (23), lifting screw thread piece (24) and two lifting guide (26), lifting screw seat (22) are fixed to be set up the side surface at stand (2), two lifting guide (26) set up the both sides of lifting screw seat (22) on stand (2) side surface, lifting screw (23) are connected at the through-hole internal rotation that lifting screw seat (22) upper surface was seted up, lifting screw (23) are through the output shaft of shaft coupling with elevator motor (21), and lifting screw (23) and lifting screw thread piece (24) threaded connection, two lifting slide (25) of connecting piece fixedly connected with are passed through to the both sides surface of lifting screw thread piece (24), sliding connection is gone up on two lifting guide (26) respectively in two lifting slide (25) in two lifting guide (25).
3. The helical gear single tooth induction hardening apparatus as set forth in claim 2, wherein: the moving mechanism comprises a cross beam (3), a moving motor (31), a moving lead screw seat (32), a moving lead screw thread block (33), a fixed block (34) and a moving lead screw (35), wherein the moving lead screw thread block (33) is fixedly connected with a lifting lead screw thread block (24) through a connecting piece, a through groove matched with the moving lead screw thread block (33) is formed in the side surface of the cross beam (3), the cross beam (3) is arranged on the outer side of the moving lead screw thread block (33) in a sliding mode through the through groove, the moving motor (31) and the moving lead screw seat (32) are fixedly arranged on the cross beam (3), an output shaft of the moving motor (31) is connected with the moving lead screw (35) through a coupler, the moving lead screw (35) is arranged in a through hole formed in the side surface of the moving lead screw seat (32) in a rotating mode, and the moving lead screw (, fixed block (34) and lifting slide (25) fixed connection, the side surface of crossbeam (3) is provided with the movable guide rail, the guide rail groove that matches with the movable guide rail is seted up to the side surface of fixed block (34), the fixed one end side surface that keeps away from moving motor (31) that sets up on crossbeam (3) of transformer connecting plate (4).
4. The helical gear single tooth induction hardening apparatus as set forth in claim 1, wherein: the front and rear adjusting mechanism (5) comprises an adjusting upper plate (51) and a fixing lower plate (52), the fixing lower plate (52) is fixedly arranged on the upper surface of a transformer mounting seat (41), a transformer (42) is mounted on the upper surface of the adjusting upper plate (51), a fixing seat (53) is mounted at the side edge of the middle part of the upper surface of the fixing lower plate (52), a through hole is formed in the side surface of the fixing seat (53), a screw rod (54) is rotatably arranged in the through hole, a hand wheel (56) is fixedly arranged at the end part of the screw rod (54), a sliding groove is formed in the upper surface of the fixing lower plate (52), a sliding seat (55) is slidably arranged in the sliding groove, the upper surface of the sliding seat (55) is fixedly connected with the adjusting upper plate (51), two groups of sliding blocks (57) are symmetrically arranged on two sides of the lower surface of the adjusting upper plate (, the two groups of sliding blocks (57) are respectively arranged on the two guide rods (58) in a sliding manner.
5. The helical gear single tooth induction hardening apparatus as set forth in claim 1, wherein: work piece rotation mechanism passes through pre-buried bolt fastening and includes rotary worktable bottom plate (7) on ground, the fixed surface of rotary worktable bottom plate (7) is provided with rotary worktable mount pad (71), the last surface mounting of rotary worktable mount pad (71) has rotary worktable (72), the outside surface mounting of rotary worktable (72) has rotary motor, rotary motor's output shaft and rotary worktable (72) inside rotary driving mechanism are connected, the last surface mounting of rotary worktable (72) is provided with the graduated disk, the last surface rotation of graduated disk is provided with chuck connecting seat (73), chuck connecting seat (73) are connected with rotary driving mechanism, the last surface mounting of chuck connecting seat (73) is provided with three-jaw chuck (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594810.1U CN212713644U (en) | 2020-08-04 | 2020-08-04 | Helical gear single-tooth induction heating quenching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594810.1U CN212713644U (en) | 2020-08-04 | 2020-08-04 | Helical gear single-tooth induction heating quenching equipment |
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| Publication Number | Publication Date |
|---|---|
| CN212713644U true CN212713644U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021594810.1U Expired - Fee Related CN212713644U (en) | 2020-08-04 | 2020-08-04 | Helical gear single-tooth induction heating quenching equipment |
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| CN (1) | CN212713644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736979A (en) * | 2021-07-22 | 2021-12-03 | 盐城市禾鼎机械股份有限公司 | Gear quenching process special for forklift and using method thereof |
-
2020
- 2020-08-04 CN CN202021594810.1U patent/CN212713644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736979A (en) * | 2021-07-22 | 2021-12-03 | 盐城市禾鼎机械股份有限公司 | Gear quenching process special for forklift and using method thereof |
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Granted publication date: 20210316 Termination date: 20210804 |