CN216864237U - Inner wall quenching device - Google Patents
Inner wall quenching device Download PDFInfo
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- CN216864237U CN216864237U CN202220413965.3U CN202220413965U CN216864237U CN 216864237 U CN216864237 U CN 216864237U CN 202220413965 U CN202220413965 U CN 202220413965U CN 216864237 U CN216864237 U CN 216864237U
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Abstract
The utility model relates to the technical field of quenching equipment, and provides an inner wall quenching device, which comprises: the heating structure is arranged on the inner wall of the cylinder barrel, and the driving unit is connected between the heating structures through a connecting rod mechanism so as to adjust the diameter of the heating structure; the inner wall supporting structure is supported on the inner wall of the cylinder barrel and comprises first sliding blocks and an inner supporting structure, an air pressure cavity is arranged between the first sliding blocks, and the first sliding blocks push the inner supporting structure to adjust the diameter of the inner wall supporting structure. According to the inner wall quenching device provided by the utility model, the diameter of the heating structure is adjusted by utilizing the link mechanism, the diameter of the inner wall supporting structure is adjusted by utilizing the expansion and contraction of the air pressure cavity, and the diameter-adjustable heating structure and the outer supporting structure are arranged, so that the quenching requirements of the cylinder barrels/steel pipes with different inner diameter specifications are met without replacing the heating structure and the inner wall supporting structure, the quenching working efficiency is improved, the applicability of the device is expanded, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of quenching equipment, in particular to an inner wall quenching device.
Background
The hydraulic oil cylinder is an important part for realizing operation of mechanical equipment, and has high quality requirement for meeting the working strength requirement of engineering machinery. The cylinder barrel is a main component of the hydraulic cylinder, and the inner wall surface is subjected to impact of high-pressure hydraulic oil and continuous friction of the piston and the seal member during operation. Generally, the hardness of the inner wall of the cylinder barrel is improved through quenching, and the metallographic structure of the inner wall is refined to achieve the purpose of abrasion resistance.
At present, the main structure of the inner wall quenching device with cylinder-shaped structures such as oil cylinders comprises: heating coil, cooling water double-layer copper rod, universal ball support body and quenching car. The heating coil, the universal ball support and the cooling water double-layer copper rod are in hard connection, the quenching vehicle carries the cylinder/steel tube to move linearly on the quenching vehicle track, and the cylinder/steel tube and the heating coil are concentric by adjusting the pneumatic support.
The prior art has the following problems:
because the heating coil and the support body are of an integral fixed structure and the diameters of the heating coil and the support body are not adjustable, the heating coil and the support body can only carry out quenching treatment on a cylinder barrel/steel pipe with a fixed inner diameter size and are not suitable for quenching treatment of other inner diameter sizes, so that the quenching efficiency is low; if the cylinder barrel/steel pipe of different sizes, need change heating coil and the supporter of different sizes, complex operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides an inner wall quenching device, which is used for solving the defects that the diameters of a heating coil and a support body of the quenching device in the prior art are not adjustable, and the quenching device is only suitable for quenching the inner wall with fixed size or replacing the heating coil and the support body with corresponding specifications, so that the quenching efficiency is low and the operation is complicated.
The utility model provides an inner wall quenching device, comprising:
the heating structure is arranged on the inner wall of the cylinder barrel, the driving unit is connected between the heating structures through the connecting rod mechanism so as to adjust the diameter of the heating structure, and when the heating structure works, the heating structure radially keeps an equal distance with the inner wall of the cylinder barrel and moves along the axial direction of the cylinder barrel;
the inner wall supporting structure is supported on the inner wall of the cylinder barrel and comprises first sliding blocks and an inner supporting structure, a pneumatic cavity is arranged between the first sliding blocks, and the first sliding blocks push the inner supporting structure to adjust the diameter of the inner supporting structure, so that the inner supporting structure is consistent with the diameter of the inner wall of the cylinder barrel.
According to the inner wall quenching device provided by the application, the driving unit comprises a first structural frame, a screw, a fixed block and a second sliding block, the first structural frame is arranged along the axial direction of the cylinder barrel, the fixed block is fixed on the first structural frame, the screw penetrates through the fixed block, the other end of the screw is fixedly connected with the second sliding block, the second sliding block is arranged on the first structural frame in a sliding mode, and the connecting rod mechanism is respectively connected with the fixed block, the heating structure and the second sliding block.
According to the inner wall guenching unit that provides of this application, inner wall bearing structure still includes second structure frame, inner support structure includes supporter and gyro wheel, first slider with the sealed sliding contact of supporter, the another side of supporter with the sealed sliding contact of second structure, the gyro wheel set up in on the outer terminal surface of supporter.
According to the application, the inner wall quenching device further comprises a cooling structure, and the cooling structure is arranged between the heating structure and the inner wall supporting structure.
According to the inner wall quenching device provided by the application, the cooling structure comprises a water spraying disc, and a plurality of nozzles are arranged on the outer side of the water spraying disc along the circumferential direction.
According to the application, an inner wall quenching device further comprises a base and a traction structure, wherein the traction structure comprises a traction rope, a first support and a second support, the first support is arranged at one end of the base, the second support is arranged at the other end of the base, the first support passes through the traction rope and the first structural frame are connected, and the second support passes through the traction rope and the inner wall supporting structure is connected.
According to the application provides an inner wall guenching unit, be equipped with first guide rail on the base, first support bottom is equipped with the locking slider, first support passes through the locking slider slides and locates on the first guide rail, the locking slider is equipped with and supplies lockpin male locking hole, one section of first guide rail be equipped with locking hole complex cotter hole.
According to the application, the inner wall quenching device further comprises an outer supporting structure, the outer supporting structure comprises a third support and a roller, the roller is rotatably arranged at the top of the third support, a pulley is arranged below the third support, and the third support is slidably arranged on the first guide rail through the pulley.
According to the inner wall guenching unit that the application provides, outer bearing structure still includes fourth support, turbine and worm, fourth support level set up and connect in the third support with between the pulley, be equipped with the slide rail on the fourth support, the worm perpendicular to the length direction of base sets up, the turbine with the worm cooperation is connected and is followed worm axial direction removes, the both ends of turbine pass through the spout with slide rail sliding connection.
According to the application, the inner wall quenching device further comprises a telescopic rod, and the telescopic rod is connected between the third support and the turbine.
According to the inner wall quenching device provided by the utility model, the diameter of the heating structure is adjusted by utilizing the link mechanism, the diameter of the inner wall supporting structure is adjusted by utilizing the expansion and contraction of the air pressure cavity, and the diameter-adjustable heating structure and the outer supporting structure are arranged, so that the quenching requirements of the cylinder barrels/steel pipes with different inner diameter specifications are met without replacing the heating structure and the inner wall supporting structure, the quenching working efficiency is improved, the applicability of the device is expanded, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the internal structure of an internal wall quenching apparatus provided by the present invention;
FIG. 2 is a schematic view of the external structure of the inner wall quenching apparatus provided by the present invention;
FIG. 3 is a schematic structural view of a heating structure provided by the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic structural view of an inner wall support structure provided by the present invention;
FIG. 6 is a schematic structural view of an outer support structure provided by the present invention;
FIG. 7 is a left side view of FIG. 6 when supporting the cylinder barrel;
FIG. 8 is a schematic structural view of a fourth stent provided by the present invention;
FIG. 9 is a schematic structural view of a towing configuration provided by the present invention;
fig. 10 is a left side view of fig. 9.
Reference numerals:
100: a heating structure; 200: a cooling structure; 300: an inner wall support structure;
400: a cylinder barrel; 500: an outer support structure; 600: a traction structure;
700: a support; 800: a base; 801: a guide rail;
101: a screw; 102: a link mechanism; 103: a fixed block;
104: a first structural frame; 105: a second slider; 106: a heating coil;
301: a pneumatic chamber; 302: a first slider; 303: a support body;
304: a second structural frame; 305: a roller;
601: a traction rope box; 602: a hauling rope; 603: a first bracket;
604: a stop slider; 605: a stop hole; 606: a pin hole;
607: a second bracket;
501: a third support; 502: a roller; 503: a pulley;
504: a fourth bracket; 505: a turbine; 506: a worm;
507: a slide rail; 508: a chute; 509: a telescopic rod;
510: the handle is rotated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
An inner wall quenching apparatus of the present invention will be described with reference to fig. 1 to 10. The inner wall quenching device mainly comprises an outer supporting structure 500 for supporting an outer wall and a quenching structure for quenching, wherein the quenching structure comprises a heating structure 100, a cooling structure 200 and an inner wall supporting structure 300. The inner wall of the cylinder 400 is quenched as an example.
Wherein, heating structure 100 is located the inner wall of cylinder 400, and drive unit passes through link mechanism 102 and connects between heating structure 100 in order to adjust the diameter of heating structure 100, and in operation, heating structure 100 radially keeps equidistance with the inner wall of cylinder 400 and moves along the axis direction of cylinder 400. The inner wall supporting structure 300 is supported on the inner wall of the cylinder 400, the inner wall supporting structure 300 comprises first sliding blocks 302 and an inner supporting structure, a pneumatic pressure cavity 301 is arranged between the first sliding blocks 302, and the first sliding blocks 302 push the inner supporting structure to adjust the diameter of the inner supporting structure, so that the diameter of the inner supporting structure is consistent with that of the inner wall of the cylinder.
Specifically, the heating structure 100 is a split structure, and may adopt a form of heating by the heating coil 106, and according to the annular structure of the cylinder 400, the heating coil 106 may be connected by a connecting rod and divided into at least two sections, and the connecting rod mechanism 102 is mechanically driven to move, and the connecting rod mechanism 102 supports the heating coil 106, so as to adjust the diameter of the heating coil 106, and the diameter adjustment method of the heating structure 100 is specifically described as the following embodiment, but of course, other kinds of heating bodies may be adopted instead of the heating coil of the present embodiment.
The method for adjusting the diameter of the inner wall supporting structure 300 by extending the air pressure tube into the air pressure cavity 301 and driving the first slider 302 to move by using the pressure change inside the air pressure cavity 301, and further driving the inner supporting structure to move, and adjusting the diameter of the inner wall supporting structure 300 is described in the following embodiments.
According to the inner wall quenching device provided by the utility model, the diameter of the heating structure 100 is adjusted by using the link mechanism 102, the diameter of the inner wall supporting structure 300 is adjusted by using the expansion and contraction of the air pressure cavity 301, and the diameter-adjustable heating structure 100 and the outer supporting structure 500 are arranged, so that the heating structure 100 and the inner wall supporting structure 300 do not need to be replaced, the quenching requirements of cylinder barrels/steel pipes with different inner diameter specifications are met, the quenching working efficiency is improved, the applicability of the device is expanded, and the working efficiency is improved.
In one embodiment of the present invention, the driving unit includes a first structural frame 104, a screw 101, a fixed block 103, and a second slider 105, the first structural frame 104 is disposed along an axial direction of the cylinder 400, the fixed block 103 is fixed to the first structural frame 104, the screw 101 passes through the fixed block 103 and has another end fixedly connected to the second slider 105, the second slider 105 is slidably disposed on the first structural frame 104, and the link mechanism 102 is respectively connected to the fixed block 103, the heating structure 100, and the second slider 105. Specifically, the fixing block 103 is provided with an internal thread to facilitate the engagement connection of the screw 101, wherein the fixing block 103 is fixed on the first structural frame 104 and does not move along with the screw 101, the screw 101 can adjust the second slider 105 to slide relative to the first structural frame 104 through manual rotation, the first structural frame 104 is provided with an opening for the second slider 105 to pass through, the second slider 105 can move between the openings, and when the second slider 105 moves, the link mechanism 102 can be correspondingly driven to move, so that the diameter of the heating coil 106 can be adjusted. As shown in fig. 3 and 4, the linkage mechanism 102 and the heating coil 106 are divided into at least four groups, a first end of the linkage mechanism 102 is hinged to the fixing block 103, a second end is hinged to the heating coil 106, and a third end is hinged to the second slider 105, so that when the second slider 105 is driven by the rotating screw 101 to translate leftwards, the diameter of the heating coil 106 is increased, and when the second slider 105 is driven by the rotating screw 101 to translate rightwards, the diameter of the heating coil 106 is decreased. Based on the heating structure 100 of the embodiment, a worker can adjust the diameter of the heating coil 106 by rotating the screw 101, so as to meet the quenching requirements of the cylinder 400 with different inner wall dimensions.
In one embodiment of the present invention, the inner wall supporting structure 300 further includes a second structure frame 304, the inner supporting structure includes a supporting body 303 and a roller 305, the first sliding block 302 is in sealing sliding contact with the supporting body 303 (the contact surface of the two sliding blocks may be an inclined end surface which forms an angle of 45 ° with the end surface of the second supporting frame), the other side surface of the supporting body 303 is in sealing sliding contact with the second structure frame 304 (the contact surface of the two sliding blocks may be an inclined end surface which forms an angle of 45 ° with the end surface of the second supporting frame), and the roller 305 is disposed on the outer end surface of the supporting body 303. Specifically, as shown in fig. 5, the first slider 302 is respectively located at the left and right sides of the pneumatic cavity 301, and provides pressure to the pneumatic cavity 301 through the pneumatic tube, when the pressure in the pneumatic cavity 301 increases, the first slider 302 can be pushed to move to the left and right sides of the pneumatic cavity 301, the support 303 is moved to the outside through the inclined end surface, and is contacted with the inner wall of the cylinder 400 through the pulley 503, so as to increase the diameter of the inner wall support structure 300, when the pressure in the pneumatic cavity 301 decreases, the first slider 302 moves to the direction of the pneumatic cavity 301, and at the same time, the support 303 moves to the inside, so as to decrease the diameter of the inner wall support structure 300. Further, the supporting body 303 and the roller 305 should be arranged in plural (at least four) along the circumferential direction to ensure stable supporting, so that the heating coil 106, the through hole of the second structure frame 304, and the axis of the cylinder 400 are concentric.
In one embodiment of the present invention, the inner wall quenching apparatus further comprises a cooling structure 200, wherein the cooling structure 200 is disposed between the heating structure 100 and the inner wall support structure 300. Further, the cooling structure 200 includes a water spray disk, and a plurality of nozzles are provided on an outer side of the water spray disk in a circumferential direction. Specifically, the cooling structure 200 may be connected by the first structure frame 104 and the second structure frame 304, and the nozzles are arranged in a direction to spray water toward the rear end at an angle of 45 ° with respect to the inner wall of the cylinder 400 so as to avoid the heating coil 106.
In one embodiment of the present invention, the inner wall quenching apparatus further comprises a base 800 and a traction structure 600, wherein the traction structure 600 comprises a traction rope 602, a first bracket 603 and a second bracket 607, the first bracket 603 is disposed at one end of the base 800, the second bracket 607 is disposed at the other end of the base 800, the first bracket 603 is connected to the first structural frame 104 of the heating structure 100 through the traction rope 602, and the second bracket 607 is connected to the inner wall supporting structure 300 through the traction rope 602. In this embodiment, a first bracket 603 and a second bracket 607 are respectively disposed at two ends of the base 800, and provide a traction direction for the traction rope 602 through the first bracket 603, as shown in fig. 2 and 9, a traction rope box 601 is disposed on the first bracket 603 at the left end for winding and unwinding the traction rope 602, and the second bracket 607 at the right end provides a fixed pivot of the traction rope 602. The pull cord 602 passes through the interior of the cylinder 400 and connects, in sequence, the first structural frame 104 (and thus the heating structure 100), the cooling structure 200, and the second structural frame 304. In this embodiment, adopted flexible haulage rope 602 to replace heating structure 100 among the prior art, the hard connection between cooling structure 200 and the inner wall bearing structure 300, through the drawing of haulage rope 602, on the one hand can be applicable to the longer scene of cylinder 400 axial length, only need utilize haulage rope 602 to pull inner wall quenching structure can, on the other hand, hard connection has been avoided, can be applicable to the great scene of cylinder 400 crookedness, guarantee heating coil 106, the concentricity of cooling structure 200 and inner wall bearing structure 300 and cylinder 400 inner wall, the assurance is heated, the cooling is even with the support, quenching layer thickness and hardness are unanimous.
In one embodiment of the present invention, the base 800 is provided with a first guide rail, the bottom of the first bracket 603 is provided with a stop slider 604, the first bracket 603 is slidably provided on the first guide rail through the stop slider 604, the stop slider 604 is provided with a stop hole 605 for inserting the lock pin, and one section (i.e. the left section) of the first guide rail is provided with a pin hole 606 matching with the stop hole 605. In this embodiment, as shown in fig. 2, the first bracket 603 at the left end can be slidably disposed on the first guide rail, and is suitable for machining cylinders 400 with various axial length specifications, and after moving to a proper position, the locking pin is inserted into the locking hole 605 and the pin hole 606, so that the locking slider 604 and the first guide rail are relatively fixed, and it is ensured that the hauling rope 602 is kept stable during the quenching process.
In one embodiment of the present invention, the external support structure 500 is further included, the external support structure 500 includes a third support 501 and a roller 502, the roller 502 is rotatably disposed on the top of the third support 501, a pulley 503 is disposed below the third support 501, and the third support 501 is slidably disposed on the first guide rail through the pulley 503. In this embodiment, the outer support structure 500 is used for supporting the outer wall of the cylinder 400, and the third support 501 can slide along the direction of the first guide rail through the pulley 503, so as to meet the outer wall support of the cylinder 400 with various length specifications. Specifically, the outer support structures 500 are provided at least in two sets along the length direction of the base 800, and the outer support structures 500 support the cylinder 400 to provide a certain inclination angle (the inclination angle may be selected to be 3 °) so that the cooling water is discharged toward the rear end. And each set of the outer support structure 500 is provided with two third supports 501 and rollers 502 at both sides of the cylinder tube 400, and supports the cylinder tube 400 by the two rollers 502. In addition, the outer supporting structure 500 further includes a support 700 disposed at the right end of the base 800, the cylinder 400 can be adjusted to be concentric with the support 700 by using the roller 502, and in the initial working state, the heating structure 100, the cooling mechanism and the inner supporting structure can be stored in the support 700 and can be pulled out from the support 700 by the pulling rope 602 for quenching operation.
In addition, the three guide rails 801 (i.e., the first guide rails) are arranged in parallel, so that the stable movement of the first support 603 is ensured, and the arrangement requirements of the two third supports 501 are met.
In one embodiment of the present invention, the outer supporting structure 500 further includes a fourth bracket 504, a worm wheel 505 and a worm 506, the fourth bracket 504 is horizontally disposed and connected between the third bracket 501 and the pulley 503, the fourth bracket 504 is provided with a slide rail 507, the worm 506 is disposed perpendicular to the length direction of the base 800, the worm wheel 505 is connected with the worm 506 in a matching manner and moves along the axial direction of the worm 506, and two ends of the worm wheel 505 are slidably connected with the slide rail 507 through a slide groove 508. Specifically, as shown in fig. 8, the fourth bracket 504 is triangular and is provided with two sliding rails 507 thereon, the worm 506 rotates by rotating the rotating handle 510, so as to drive the worm wheel 505 to move along the direction of the worm 506, the bottom of the worm wheel 505 is provided with two sliding slots 508, and the two sliding slots 508 are correspondingly and slidably connected with the two sliding rails 507. In this embodiment, the worm 505 and the worm 506 can drive the two rollers 502 to move along the sliding rail 507, so as to support the cylinder 400/steel pipe with different diameters.
In one embodiment of the present invention, the inner wall quenching apparatus further comprises a telescopic rod 509, and the telescopic rod 509 is connected between the third bracket 501 and the turbine 505. In this embodiment, the telescopic rod 509 is in the form of an electric telescopic rod 509, and the height of the roller 502 is adjusted by means of the electric telescopic rod 509.
In conclusion, the inner wall quenching device provided by the utility model has the following beneficial effects:
1. the heating structure 100 and the inner wall supporting structure 300 have the diameter adjusting function, and can meet the quenching requirements of different inner wall dimensions;
2. the heating structure 100, the cooling structure 200 and the inner wall supporting structure 300 are pulled by the flexible pulling rope 602 to replace the rigid connection in the prior art, so that the quenching device can be ensured to be coaxial with the cylinder 400, the uniform quenching at each part of the inner wall of the cylinder 400 is ensured, and the problem caused by the overlong axial direction of the cylinder can be avoided;
3. the outer support structure 500 is adapted to be adjustable in axial, radial and height to meet the requirements of the cylinder 400/steel pipe quenching process for different diameters, axial lengths and heights.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An inner wall quenching device, characterized by comprising:
the heating structure is arranged on the inner wall of the cylinder barrel, the driving unit is connected between the heating structures through the connecting rod mechanism so as to adjust the diameter of the heating structure, and when the heating structure works, the heating structure radially keeps an equal distance with the inner wall of the cylinder barrel and moves along the axial direction of the cylinder barrel;
the inner wall supporting structure is supported on the inner wall of the cylinder barrel and comprises first sliding blocks and an inner supporting structure, a pneumatic cavity is arranged between the first sliding blocks, and the first sliding blocks push the inner supporting structure to adjust the diameter of the inner supporting structure, so that the inner supporting structure is consistent with the diameter of the inner wall of the cylinder barrel.
2. The inner wall quenching device as claimed in claim 1, wherein the driving unit comprises a first structure, a screw, a fixed block and a second slider, the first structure is arranged along the axial direction of the cylinder, the fixed block is fixed on the first structure, the screw passes through the fixed block, the other end of the screw is fixedly connected with the second slider, the second slider is arranged on the first structure in a sliding manner, and the link mechanism is respectively connected with the fixed block, the heating structure and the second slider.
3. The inner wall quenching apparatus according to claim 1, wherein the inner wall support structure further comprises a second structure frame, the inner support structure comprises a support body and a roller, the first slider is in sealing sliding contact with the support body, the other side surface of the support body is in sealing sliding contact with the second structure frame, and the roller is arranged on the outer end surface of the support body.
4. The inner wall quench unit of claim 1 further comprising a cooling structure disposed between the heating structure and the inner wall support structure.
5. The inner wall quench device of claim 4 wherein the cooling structure comprises a water jet disk having a plurality of nozzles disposed on an outer side thereof in a circumferential direction.
6. The inner wall quenching apparatus according to claim 2, further comprising a base and a traction structure, wherein the traction structure comprises a traction rope, a first bracket and a second bracket, the first bracket is arranged at one end of the base, the second bracket is arranged at the other end of the base, the first bracket is connected with the first structural frame through the traction rope, and the second bracket is connected with the inner wall supporting structure through the traction rope.
7. The inner wall quenching device as claimed in claim 6, wherein the base is provided with a first guide rail, the bottom of the first bracket is provided with a stop slider, the first bracket is slidably arranged on the first guide rail through the stop slider, the stop slider is provided with a stop hole for inserting a lock pin, and a section of the first guide rail is provided with a pin hole matched with the stop hole.
8. The inner wall quenching device according to claim 7, further comprising an outer support structure, wherein the outer support structure comprises a third support and a roller, the roller is rotatably arranged on the top of the third support, a pulley is arranged below the third support, and the third support is slidably arranged on the first guide rail through the pulley.
9. The inner wall quenching device as claimed in claim 8, wherein the outer support structure further comprises a fourth support, a worm wheel and a worm, the fourth support is horizontally arranged and connected between the third support and the pulley, the fourth support is provided with a slide rail, the worm is arranged perpendicular to the length direction of the base, the worm wheel is connected with the worm in a matching manner and moves along the axial direction of the worm, and two ends of the worm wheel are slidably connected with the slide rail through sliding grooves.
10. The inner wall quench unit of claim 9 further comprising a telescoping rod connected between the third bracket and the turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413965.3U CN216864237U (en) | 2022-02-28 | 2022-02-28 | Inner wall quenching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220413965.3U CN216864237U (en) | 2022-02-28 | 2022-02-28 | Inner wall quenching device |
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| CN216864237U true CN216864237U (en) | 2022-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161419A (en) * | 2023-11-02 | 2023-12-05 | 屹马汽车零部件(江苏)有限公司 | Automobile part turning equipment |
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2022
- 2022-02-28 CN CN202220413965.3U patent/CN216864237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161419A (en) * | 2023-11-02 | 2023-12-05 | 屹马汽车零部件(江苏)有限公司 | Automobile part turning equipment |
| CN117161419B (en) * | 2023-11-02 | 2024-02-13 | 屹马汽车零部件(江苏)有限公司 | Automobile part turning equipment |
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