Trolley quenching and tempering furnace for quenching

Abstract

The invention relates to the technical field of trolley quenching and tempering furnaces, in particular to a trolley quenching and tempering furnace for quenching, which comprises a furnace body, a trolley is mounted on the furnace body, a plurality of mounting grooves are symmetrically formed in the two sides of the interior of the furnace body, guide bearing holes are formed in the mounting grooves, and movable matching grooves are symmetrically formed in the inner walls of the furnace body on the two sides of the mounting grooves. A movable matching groove is formed in the furnace body, a limiting connecting groove is formed in the movable matching groove, a matching limiting rod is further fixedly arranged in the movable matching groove, supporting top tables are symmetrically and fixedly arranged on the inner top face of the furnace body, and supporting inserting grooves are formed in the supporting top tables. The multiple heating rods can be synchronously and fixedly installed by driving the carrying strips to move, operation is easy, convenient and fast, the heating rods do not need to be fixed one by one, the heating rods can be protected while being fixed, and safety of the heating rods in the working process is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of trolley quenching and tempering furnaces, in particular to a trolley quenching and tempering furnace for quenching. Background Art

[0002] During the production process, metal workpieces need to be quenched and heat treated to improve their own strength. Usually, a trolley tempering furnace is used to quench metal workpieces, which can transfer the workpieces into the furnace body through the trolley for heating. The trolley tempering furnace under the prior art usually uses heating rods for heating. The heating rods are generally fixedly installed on both sides of the furnace body. In order to ensure the heating effect in the furnace, multiple heating rods need to be installed inside the furnace body. When installing the heating rods, they need to be fixed one by one, which is very cumbersome. Not only does it make the installation effect of the heating rods low, but it also makes the work intensity of the staff greater. When the heating rods need to be disassembled later, they cannot be disassembled quickly. Furthermore, there is no protective mechanism for the heating rods inside the furnace body, which makes the heating rods easily damaged by accidental collisions with the workpieces, and the safety is poor. Summary of the invention

[0003] The object of the present invention is to provide a trolley tempering furnace for quenching to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A trolley tempering furnace for quenching comprises a furnace body, a trolley is installed on the furnace body, and a plurality of installation grooves are symmetrically provided on both sides of the interior of the furnace body, guide bearing holes are provided inside the installation grooves, and movable matching grooves are symmetrically provided on the inner wall of the furnace body on both sides of the installation grooves, and limiting connecting grooves are provided inside the movable matching grooves, and matching limiting rods are also fixedly provided inside the movable matching grooves, supporting top platforms are symmetrically fixedly provided on the inner top surface of the furnace body, supporting slots are provided on the supporting top platforms, and a positioning bearing plate is fixedly provided at the notch of the supporting slots, and a positioning socket is provided on the positioning bearing plate, and heating components with protective functions are respectively installed on both sides of the interior of the furnace body.

[0005] Preferably, the heating component with a protective function includes a driving carrier bar, a movable mounting platform, a movable connecting block, a first protective frame, a second protective frame, a locking carrier plate and a heating rod. There are two driving carrier bars, which are respectively installed on both sides of the interior of the furnace body. A connecting mating bar is fixedly arranged on the driving carrier bar. The connecting mating bar is inserted into the movable mating groove, and a limiting mating hole is provided on the connecting mating bar. A mating limiting rod is inserted into the limiting mating hole. A triangular base frame is fixedly arranged on the lower end of the connecting mating bar, and a connecting channel is provided on the triangular base frame.

[0006] Preferably, a supporting carrier rod is fixedly provided at one end of the driving carrier bar, a limit stopper is fixedly provided on the supporting carrier rod, and a positioning carrier bar is installed on the supporting carrier rod, a supporting through hole is provided on the positioning carrier bar, the supporting carrier rod is inserted in the supporting through hole, and a plug-in plate is fixedly provided on the positioning carrier bar, a positioning through hole is provided on the plug-in plate, and a positioning pin is inserted in the positioning through hole.

[0007] Preferably, a movable mounting platform is installed at the mounting groove, a guide bearing rod is fixedly arranged on the movable mounting platform, the guide bearing rod is inserted in the guide bearing hole, a mounting socket is provided on the movable mounting platform, a matching anti-rotation hole is provided on the periphery of the mounting socket, and a bearing matching block is symmetrically fixedly arranged on the movable mounting platform, a movable through hole is provided on the bearing matching block, and a supporting connecting plate is fixedly arranged on the bearing matching block, a first connecting matching rod is hinged on the supporting connecting plate, and a connecting connecting plate is fixedly arranged on the supporting connecting plate, a connecting plug rod is fixedly arranged on the connecting connecting plate, and the connecting plug rod is inserted in the connecting channel.

[0008] Preferably, the movable mounting platform is also provided with an installation channel, in which a load-bearing inner rod is fixedly arranged, the other end of the first engaging and matching rod is hingedly provided with a movable connecting block, one end of the movable connecting block is fixedly provided with a limited connecting column, the limited connecting column is inserted in the limited connecting groove, and a first load-bearing plate is fixedly arranged on the movable connecting block next to the limited connecting column, a connecting support rod is fixedly arranged on the first load-bearing plate, a second load-bearing plate is fixedly arranged on the other end of the movable connecting block, a second engaging and matching rod is hingedly provided on the second load-bearing plate, and the other end of the second engaging and matching rod is hingedly provided with a first protective frame.

[0009] Preferably, the first guard frame is installed on a movable mounting platform, and a mounting support block is symmetrically fixedly arranged on the first guard frame, a connecting through hole and a matching through hole are opened on the mounting support block, a connecting support rod is inserted in the connecting through hole, and a movable connecting rod is fixedly arranged at the lower end of the mounting support block, the movable connecting rod is inserted in the movable through hole, and a supporting bottom block is fixedly arranged at the lower end of the movable connecting rod, and a connecting frame is fixedly arranged on the supporting bottom block.

[0010] Preferably, a second protective frame is installed at both ends of the first protective frame respectively, a bearing plate is fixedly provided at the lower end of the second protective frame, the bearing plate is hinged with the second connecting mating rod, a mating plug rod is fixedly provided on the bearing plate, the mating plug rod is inserted in the mating through hole, and a baffle plate is also fixedly provided on the bearing plate.

[0011] Preferably, locking plates are respectively installed at both ends of the movable mounting platform, locking columns are fixedly provided on the locking plates, and matching plug plates are also fixedly provided on the locking plates, the matching plug plates are plugged into the mounting channel, and movable loading holes are opened on the matching plug plates, and a load-bearing inner rod is plugged into the movable loading holes.

[0012] Preferably, a bent support plate is fixedly provided at the lower end of the mating plug plate, connecting strips are symmetrically fixedly provided on the bent support plate, plug-in connecting columns are fixedly provided between the connecting strips, and the plug-in connecting columns are plugged into the connecting frame.

[0013] Preferably, a heating rod is installed on the movable mounting table, and a mounting chassis is fixedly provided at the lower end of the heating rod, and locking holes are symmetrically opened on the mounting chassis. A mounting column is fixedly provided at the lower end of the mounting chassis, and the mounting column is inserted into the mounting hole. Anti-rotation columns are also fixedly provided circumferentially on the lower side of the mounting chassis, and the anti-rotation columns are inserted into matching anti-rotation holes.

[0014] Compared with the prior art, the invention has the following advantages: 1. When installing the heating rod, you only need to place it on the movable installation table, and then drive the movement of the carrier bar to achieve the synchronous fixed installation of multiple heating rods. The operation is simple, convenient and fast. There is no need to fix the heating rods one by one. The heating rods can be protected while being fixed to ensure their safety during work.

[0015] 2. When the driving carrier moves upward, it will drive the movable mounting platform to move into the mounting groove, and then drive the heating rod to move to the mounting point. As the movable mounting platform moves, it will drive the movable connecting block to move upward. As the movable connecting block moves upward, it will also drive the first guard frame to move upward, so that the first guard frame can protect the heating rod. As the movable mounting platform moves, under the action of the second connecting rod, the two second guard frames on the movable mounting platform will be driven to move toward each other and close together, so that the second guard frame can protect the heating rod. With the cooperation of the first guard frame and the second guard frame, the safety of the heating rod can be fully guaranteed.

[0016] 3. In addition, as the first guard frame moves upward, it will drive the two locking carriers to move toward each other, so that the locking carrier columns on the locking carriers are inserted into the locking sockets on the heating rod to achieve fixed installation of the heating rod, thereby ensuring the firmness of the installation of the heating rod. When the heating rod is in the unlocked state, the first guard frame is at the lower side of the heating rod, and the second guard frame is in a separated state, which is convenient for taking and placing the heating rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the furnace assembly.

[0018] Figure 2 It is a schematic diagram of the furnace structure from the first perspective.

[0019] Figure 3 for Figure 2 A magnified schematic diagram of center A.

[0020] Figure 4 It is a schematic diagram of the furnace structure from the second perspective.

[0021] Figure 5 for Figure 4 A magnified schematic diagram of point B in the middle.

[0022] Figure 6 It is a schematic diagram of the assembly of a heating component with a protective function.

[0023] Figure 7 It is a schematic diagram of the structure of the driving carrier.

[0024] Figure 8 First-person view of the assembly for the movable mounting table.

[0025] Fig. 9 A second perspective diagram of the assembly for the movable mounting table.

[0026] Fig.10 A first perspective schematic diagram of the assembly of a movable mounting platform, a first guard frame and a locking carrier plate.

[0027] Fig.11 A schematic diagram from a second perspective of the assembly of the movable mounting platform, the first guard frame and the locking carrier plate.

[0028] Fig.12 It is a schematic diagram of the structure of locking the carrier board.

[0029] Fig.13 Schematic diagram of the structure of the heating rod.

[0030] In the figure: 1, furnace body; 11, trolley; 12, mounting slot; 13, guide bearing hole; 14, movable matching slot; 15, limit connection slot; 16, matching limit rod; 17, support top platform; 18, support slot; 19, positioning support plate; 191, positioning socket; 2, drive carrier bar; 21, connection matching bar; 22, limit matching hole; 23, triangular bottom frame; 24, connection channel; 25, support carrier bar; 26, limit stopper; 27, positioning carrier bar; 28, support through hole; 29, plug-in support plate; 291, positioning through hole; 292, positioning pin; 3, movable mounting platform; 31, guide bearing rod; 32, mounting socket; 33, matching anti-rotation hole; 34, bearing matching block; 35, movable through hole; 36, support connecting plate; 361, first connection matching rod; 37, Connecting plate; 371, connecting rod; 38, installation channel; 39, load-bearing inner rod; 4, movable connecting block; 41, limiting connecting column; 42, first load-bearing plate; 43, connecting support rod; 44, second load-bearing plate; 45, second connecting matching rod; 5, first protective frame; 51, installation load-bearing block; 52, connecting through hole; 53, matching through hole; 54, movable connecting rod; 55, supporting bottom block; 56, connecting load frame; 6, second protective frame; 61, load-bearing plate; 62, matching plug-in rod; 63, baffle plate; 7, locking load plate; 71, locking load column; 72, matching plug-in plate; 73, movable load hole; 74, bending load plate; 75, connecting strip; 76, plug-in connecting column; 8, heating rod; 80, installation chassis; 81, locking plug-in hole; 82, installation column; 83, anti-rotation plug-in column. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figures 1 to 13 , the present invention provides a technical solution: A trolley tempering furnace for quenching comprises a furnace body 1, a trolley 11 is installed on the furnace body 1, and a plurality of mounting grooves 12 are symmetrically provided on both sides of the interior of the furnace body 1, a guide bearing hole 13 is provided inside the mounting groove 12, and movable matching grooves 14 are symmetrically provided on the inner wall of the furnace body 1 on both sides of the mounting groove 12, a limiting connection groove 15 is provided inside the movable matching groove 14, and a matching limiting rod 16 is also fixedly provided inside the movable matching groove 14, a supporting top platform 17 is symmetrically fixedly provided on the inner top surface of the furnace body 1, a supporting slot 18 is provided on the supporting top platform 17, a positioning bearing plate 19 is fixedly provided at the notch of the supporting slot 18, a positioning socket 191 is provided on the positioning bearing plate 19, and heating components with protective functions are respectively installed on both sides of the interior of the furnace body 1.

[0033] The heating component with protective function includes a driving carrier bar 2, a movable mounting platform 3, a movable connecting block 4, a first protective frame 5, a second protective frame 6, a locking carrier plate 7 and a heating rod 8. There are two driving carrier bars 2, which are respectively installed on both sides of the interior of the furnace body 1. A connecting matching bar 21 is fixedly arranged on the driving carrier bar 2. The connecting matching bar 21 is inserted into the movable matching groove 14, and a limited matching hole 22 is provided on the connecting matching bar 21. A matching limiting rod 16 is inserted in the limited matching hole 22. A triangular base frame 23 is fixedly arranged at the lower end of the connecting matching bar 21. A connecting channel 24 is provided on the triangular base frame 23, and the inner wall of the connecting channel 24 is smooth and free of burrs.

[0034] A supporting rod 25 is fixedly provided at one end of the driving carrier bar 2, a limit stopper 26 is fixedly provided on the supporting carrier bar 25, and a positioning carrier bar 27 is installed on the supporting carrier bar 25, a supporting through hole 28 is provided on the positioning carrier bar 27, the supporting through hole 28 is plugged into the supporting through hole 28, and a plug-in support plate 29 is fixedly provided on the positioning carrier bar 27, a positioning through hole 291 is provided on the plug-in support plate 29, and a positioning pin 292 is plugged into the positioning through hole 291.

[0035] A movable mounting platform 3 is installed at the mounting groove 12, and a guide bearing rod 31 is fixedly arranged on the movable mounting platform 3, and the guide bearing rod 31 is inserted in the guide bearing hole 13. A mounting socket 32 ​​is provided on the movable mounting platform 3, and a matching anti-rotation hole 33 is provided on the periphery of the mounting socket 32, and a bearing matching block 34 is symmetrically fixedly arranged on the movable mounting platform 3, and a movable through hole 35 is provided on the bearing matching block 34, and a supporting connecting plate 36 is fixedly arranged on the bearing matching block 34, and a first connecting matching rod 361 is hinged on the supporting connecting plate 36, and a connecting connecting plate 37 is fixedly arranged on the supporting connecting plate 36, and a connecting connecting plate 37 is fixedly arranged on the connecting connecting plate 37, and a connecting plug 371 is fixedly arranged on the connecting connecting plate 37, and the connecting plug 371 is inserted in the connecting channel 24, and the connecting plug 371 contacts the inner wall of the connecting channel 24.

[0036] The movable mounting platform 3 is also provided with an installation channel 38, in which a load-bearing inner rod 39 is fixedly arranged, the other end of the first engaging and matching rod 361 is hingedly connected to a movable connecting block 4, one end of the movable connecting block 4 is fixedly provided with a limited connecting column 41, the limited connecting column 41 is inserted into the limited connecting groove 15, and a first bearing plate 42 is fixedly arranged on the movable connecting block 4 next to the limited connecting column 41, a connecting support rod 43 is fixedly arranged on the first bearing plate 42, a second bearing plate 44 is fixedly arranged on the other end of the movable connecting block 4, a second engaging and matching rod 45 is hingedly connected to the second bearing plate 44, and the other end of the second engaging and matching rod 45 is hingedly connected to the first guard frame 5, and in addition, the limited connecting column 41 is in contact with the inner wall of the limited connecting groove 15.

[0037] The first protective frame 5 is installed on the movable mounting platform 3, and a mounting support block 51 is symmetrically fixedly arranged on the first protective frame 5. A connecting through hole 52 and a matching through hole 53 are opened on the mounting support block 51. A connecting support rod 43 is inserted in the connecting through hole 52, and a movable connecting rod 54 is fixedly arranged at the lower end of the mounting support block 51. The movable connecting rod 54 is inserted in the movable through hole 35, and a supporting bottom block 55 is fixedly arranged at the lower end of the movable connecting rod 54, and a connecting carrier frame 56 is fixedly arranged on the supporting bottom block 55.

[0038] The second protective frames 6 are respectively installed at both ends of the first protective frame 5. A bearing plate 61 is fixedly provided at the lower end of the second protective frame 6. The bearing plate 61 is hinged with the second connecting matching rod 45. A matching plug rod 62 is fixedly provided on the bearing plate 61. The matching plug rod 62 is inserted in the matching through hole 53, and a baffle plate 63 is also fixedly provided on the bearing plate 61.

[0039] A locking carrier plate 7 is installed at both ends of the movable mounting platform 3, on which a locking carrier column 71 is fixedly provided, and a matching plug plate 72 is also fixedly provided on the locking carrier plate 7. The matching plug plate 72 is inserted into the mounting channel 38, and a movable loading hole 73 is opened on the matching plug plate 72, in which a load-bearing inner rod 39 is inserted.

[0040] A bending support plate 74 is fixedly provided at the lower end of the matching plug plate 72, and connecting strips 75 are symmetrically fixedly provided on the bending support plate 74. Connecting columns 76 are fixedly provided between the connecting strips 75. The connecting columns 76 are inserted into the connecting frame 56, and the connecting columns 76 are in contact with the inner wall of the connecting frame 56.

[0041] A heating rod 8 is installed on the movable mounting platform 3, and a mounting chassis 80 is fixedly provided at the lower end of the heating rod 8. A locking socket 81 is symmetrically provided on the mounting chassis 80, and a mounting column 82 is fixedly provided at the lower end of the mounting chassis 80. The mounting column 82 is inserted into the mounting socket 32, and an anti-rotation column 83 is also fixedly provided circumferentially on the lower side of the mounting chassis 80. The anti-rotation column 83 is inserted into the matching anti-rotation hole 33. In addition, the locking support column 71 is inserted into the locking socket 81 when it plays a fixing role on the heating rod 8.

[0042] When installing the heating rod 8, the mounting column 82 is inserted into the mounting socket 32 ​​to realize the positioning of the heating rod 8 on the movable mounting platform 3. When the heating rods 8 on one side of the furnace body 1 are placed, the driving carrier bar 2 is pushed upward. Under the cooperation of the connecting channel 24 on the driving carrier bar 2 and the connecting plug rod 371, the movable mounting platform 3 is driven to move into the mounting groove 12, so that the movable mounting platform 3 is partially inserted into the mounting groove 12, thereby driving the heating rod 8 to be inserted into the mounting groove 12 and move to the working point. During the movement, the movable mounting platform 3 will push the movable connecting block 4 upward under the action of the first connecting matching rod 361. As the movable connecting block 4 moves upward, the connecting support rod 43 on the movable connecting block 4 is inserted into the first connecting matching rod 361. The movable connecting block 4 will also drive the first guard frame 5 to move upward, so that part of it protrudes from the upper side of the movable mounting platform 3, and then the first guard frame 5 can protect the heating rod 8, and with the movement of the movable mounting platform 3, the second guard frame 6 will be driven to move under the action of the second connecting and matching rod 45, so that the two second guard frames 6 on the movable mounting platform 3 move toward each other and close together, so that the second guard frame 6 can also protect the heating rod 8, and then the cooperation of the first guard frame 5 and the second guard frame 6 can fully ensure the safety of the heating rod 8 in the working state to prevent it from being hit by external force. In addition, when the first guard frame 5 moves upward, the second guard frame 6 is connected to the carrier frame 3. The cooperation between 56 and the plug-in connecting column 76 will drive the two locking carriers 7 to move towards each other, so that the locking carrier column 71 on the locking carrier plate 7 is plugged into the locking socket 81 on the heating rod 8, and the heating rod 8 can be fixed under the action of the locking carrier column 71, and multiple heating rods 8 can be installed and fixed synchronously at the same time, which is very convenient and fast. When the driving carrier 2 does not move upward and the heating rod 8 is in the unlocked state, the first guard frame 5 is at the lower side of the heating rod 8, and the second guard frame 6 is not closed together, which is convenient for the staff to operate the heating rod 8 and to take and put the heating rod 8. When the driving carrier 2 moves upward, when the positioning carrier 27 on the driving carrier 2 moves to the support slot 18, the support is moved to the support slot 18. The positioning carrier 27 is pulled in the direction of the support slot 18 so that the plug-in support plate 29 on the positioning carrier 27 is plugged into the support slot 18, and the positioning carrier 27 is supported by the support slot 18. At the same time, the positioning through hole 291 on the plug-in support plate 29 is aligned with the positioning socket 191 on the positioning carrier plate 19, and then the positioning pin 292 is inserted into the positioning socket 191 through the positioning through hole 291 to fix the positioning carrier 27, and at the same time, the drive carrier 2 is fixed, ensuring the firmness of the installation of the heating rod 8. The operation is simple. When the heating rod 8 needs to be disassembled, the driving carrier 2 only needs to be moved downward to unlock the heating rod 8. At the same time, it is driven out of the installation slot 12 under the action of the movable mounting table 3 to facilitate operation thereof.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trolley tempering furnace for quenching, comprising a furnace body (1), characterized in that: A trolley (11) is mounted on the furnace body (1), and a plurality of mounting grooves (12) are symmetrically provided on both sides of the furnace body (1), guide bearing holes (13) are provided in the mounting grooves (12), and movable matching grooves (14) are symmetrically provided on the inner wall of the furnace body (1) on both sides of the mounting grooves (12), and a limiting connection groove (15) is provided in the movable matching groove (14), and a matching limiting rod (16) is fixedly provided in the movable matching groove (14), and a supporting top platform (17) is symmetrically fixedly provided on the inner top surface of the furnace body (1), and a supporting slot (18) is provided on the supporting top platform (17), and a positioning bearing plate (19) is fixedly provided at the notch of the supporting slot (18), and a positioning plug hole (191) is provided on the positioning bearing plate (19), and the furnace body (1) is provided with a plurality of mounting grooves (12) on the inner wall of the furnace body (1). A heating assembly with a protective function is installed on both sides of the interior, and the heating assembly with a protective function comprises a driving carrier bar (2), a movable mounting platform (3), a movable connecting block (4), a first protective frame (5), a second protective frame (6), a locking carrier plate (7) and a heating rod (8). The driving carrier bar (2) is two and is installed on both sides of the interior of the furnace body (1). A connecting matching bar (21) is fixedly arranged on the driving carrier bar (2). The connecting matching bar (21) is inserted into a movable matching groove (14), and a limited matching hole (22) is provided on the connecting matching bar (21). A matching limiting rod (16) is inserted into the limited matching hole (22). A triangular base frame (23) is fixedly arranged at the lower end of the connecting matching bar (21), and a connecting channel (24) is provided on the triangular base frame (23).

2. A trolley quenching and tempering furnace for quenching according to claim 1, characterized in that: A support rod (25) is fixedly provided at one end of the driving carrier bar (2), a limit stopper (26) is fixedly provided on the support carrier bar (25), a positioning carrier bar (27) is mounted on the support carrier bar (25), a support through hole (28) is provided on the positioning carrier bar (27), the support rod (25) is plugged into the support through hole (28), and a plug-in support plate (29) is fixedly provided on the positioning carrier bar (27), a positioning through hole (291) is provided on the plug-in support plate (29), and a positioning pin (292) is plugged into the positioning through hole (291).

3. A trolley quenching and tempering furnace for quenching according to claim 2, characterized in that: A movable mounting platform (3) is mounted at the mounting groove (12), a guide bearing rod (31) is fixedly mounted on the movable mounting platform (3), the guide bearing rod (31) is inserted into the guide bearing hole (13), a mounting socket (32) is provided on the movable mounting platform (3), a matching anti-rotation hole (33) is provided on the periphery of the mounting socket (32), a bearing matching block (34) is symmetrically fixedly mounted on the movable mounting platform (3), a movable through hole (35) is provided on the bearing matching block (34), a supporting connecting plate (36) is fixedly mounted on the bearing matching block (34), a first connecting matching rod (361) is hingedly mounted on the supporting connecting plate (36), a connecting connecting plate (37) is fixedly mounted on the supporting connecting plate (36), a connecting plug rod (371) is fixedly mounted on the connecting connecting plate (37), and the connecting plug rod (371) is inserted into the connecting channel (24).

4. A trolley quenching and tempering furnace for quenching according to claim 3, characterized in that: The movable mounting platform (3) is also provided with a mounting channel (38), a bearing inner rod (39) is fixedly arranged in the mounting channel (38), the other end of the first engaging and matching rod (361) is hingedly connected to a movable connecting block (4), one end of the movable connecting block (4) is fixedly provided with a limit connecting column (41), the limit connecting column (41) is inserted into the limit connecting groove (15), and a first bearing plate (42) is fixedly arranged on the movable connecting block (4) beside the limit connecting column (41), a connecting support rod (43) is fixedly arranged on the first bearing plate (42), a second bearing plate (44) is fixedly arranged on the other end of the movable connecting block (4), a second engaging and matching rod (45) is hingedly connected to the second bearing plate (44), and the other end of the second engaging and matching rod (45) is hingedly connected to the first guard frame (5).

5. The trolley tempering furnace for quenching according to claim 4, characterized in that: The first guard frame (5) is mounted on the movable mounting platform (3), and a mounting bearing block (51) is symmetrically fixedly arranged on the first guard frame (5), and a connecting through hole (52) and a matching through hole (53) are provided on the mounting bearing block (51), and a connecting support rod (43) is inserted into the connecting through hole (52), and a movable connecting rod (54) is fixedly arranged at the lower end of the mounting bearing block (51), and the movable connecting rod (54) is inserted into the movable through hole (35), and a supporting bottom block (55) is fixedly arranged at the lower end of the movable connecting rod (54), and a connecting carrier frame (56) is fixedly arranged on the supporting bottom block (55).

6. A trolley quenching and tempering furnace for quenching according to claim 5, characterized in that: The second guard frames (6) are respectively installed at both ends of the first guard frame (5); a bearing plate (61) is fixedly provided at the lower end of the second guard frame (6); the bearing plate (61) is hingedly connected to the second engaging mating rod (45); a mating insertion rod (62) is fixedly provided on the bearing plate (61); the mating insertion rod (62) is inserted into the mating through hole (53); and a baffle plate (63) is also fixedly provided on the bearing plate (61).

7. A trolley quenching and tempering furnace for quenching according to claim 6, characterized in that: The two ends of the movable mounting platform (3) are respectively provided with locking carrier plates (7), the locking carrier plates (7) are fixedly provided with locking carrier columns (71), and the locking carrier plates (7) are also fixedly provided with matching plug plates (72), the matching plug plates (72) are plugged into the mounting channel (38), and the matching plug plates (72) are provided with movable loading holes (73), and the movable loading holes (73) are plugged with load-bearing inner rods (39).

8. The trolley tempering furnace for quenching according to claim 7, characterized in that: A bent support plate (74) is fixedly provided at the lower end of the mating plug plate (72), connecting strips (75) are symmetrically fixedly provided on the bent support plate (74), plug-in connecting columns (76) are fixedly provided between the connecting strips (75), and the plug-in connecting columns (76) are plugged into the connecting carrier frame (56).

9. The trolley tempering furnace for quenching according to claim 8, characterized in that: A heating rod (8) is mounted on the movable mounting platform (3), a mounting chassis (80) is fixedly provided at the lower end of the heating rod (8), locking sockets (81) are symmetrically provided on the mounting chassis (80), a mounting column (82) is fixedly provided at the lower end of the mounting chassis (80), the mounting column (82) is plugged into the mounting socket (32), and an anti-rotation plug column (83) is also fixedly provided circumferentially on the lower side of the mounting chassis (80), the anti-rotation plug column (83) is plugged into the matching anti-rotation hole (33).

Images