CN210174015U

CN210174015U - Effectual vulcanizer safety interlocking device of safety

Info

Publication number: CN210174015U
Application number: CN201920432195.5U
Authority: CN
Inventors: 谢懿
Original assignee: Tianjin Newwitt Rubber Products Co Ltd
Current assignee: Tianjin Newwitt Rubber Products Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-03-24
Anticipated expiration: 2029-03-28

Abstract

The utility model provides a safe effectual vulcanizer safety interlocking device, including the vulcanizer jar body, sealed clamp, the internal thread hole, the vulcanizer cover, the control panel, but manual step-down exhaust wire lever structure, the chain buffer spring structure of convenient maintenance, the chain fixed chain structure of supplementary of angle modulation, control switch, the fixed lath, lower part U type seat, upper portion U type seat, fixed connection plate, chain control cylinder and pressure gauge. The adjusting hand wheel and the jacking seal wire lever are favorable for manual rotation, so that gas force in the vulcanizing tank body flows out through a gap between the jacking seal wire lever and the vulcanizing tank body, and then exhaust and pressure relief are performed, the interlocking effect is increased, and safety is ensured; accomodate the pipe, the setting of L type oiling maintenance pipe and dust cap is favorable to pouring into lubricating oil into toward accomodating intraductal, carries out the oiling maintenance to the buffer tension spring.

Description

Effectual vulcanizer safety interlocking device of safety

Technical Field

The utility model belongs to the technical field of the vulcanizing boiler auxiliary assembly, especially, relate to a vulcanizing boiler safety interlocking device that safe effect is good.

Background

The belt vulcanizing tank is a quick-opening pressure container, and comprises a tank body, a tank cover and a rotary connecting piece for plugging the joint of the tank body and the tank cover. Such pressure vessels are provided with safety interlocking means. The operation control program for uncovering the vulcanizing tank comprises the following steps: after vulcanization is completed, the tank body starts to release pressure, when the steam pressure inside the tank body (the steam pressure inside the tank body is detected by a sensor) drops below a safety value, the safety interlocking device is opened, then the rotary connecting piece rotates for a certain angle, and then the tank cover can be opened. The safety interlocking device has the following functions: when the sensor breaks down or the program control system breaks down, the safety interlocking device can ensure that the tank cover can not be opened when the residual pressure in the tank body is higher than the safety pressure.

The invention discloses a safety interlocking device of a vulcanizing tank, which is CN04263425U, and comprises a mounting seat, a lifting cylinder, a piston and a connecting lock rod, wherein the mounting seat is arranged on the side wall of a tank body, the lower half part of the mounting seat is a closed cavity, the upper half part of the mounting seat is a mounting chamber, the piston can be movably arranged in the cavity up and down and divides the cavity into an upper cavity and a lower cavity, the lower cavity is communicated with the inner cavity of the tank body, the connecting lock rod can be movably matched on the mounting seat up and down, the lower end of the connecting lock rod extends into the cavity and is fixedly connected with the piston, the upper end of the connecting lock rod penetrates out of the top of the mounting seat to be used as a connecting lock end, a return spring is sleeved on the connecting lock rod, the lower end of the return spring is abutted against a lower spring cushion block fixed on the connecting lock rod, a driving mechanism for driving the connecting lock rod to, the rotary connecting piece is provided with a locking hole which is opposite to the locking end of the locking rod. But the current vulcanizing boiler safety interlocking device still has the safety effect relatively poor, does not possess manual pressure release function and interlocking sealing mode singleness problem.

Therefore, the invention of the safety interlocking device of the vulcanizing tank with good safety effect is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a safe interlocking device of vulcanizer that effect of safety is good to it is relatively poor to solve current vulcanizer safe interlocking device effect, does not possess the single problem of manual pressure release function and chain sealing mode. A safe interlocking device of a vulcanizing tank with good safety effect comprises a vulcanizing tank body, a sealing clamp, an internal thread hole, a vulcanizing tank cover, a control panel, a manually depressible exhaust wire lever structure, an interlocking buffer spring structure convenient to maintain, an auxiliary interlocking fixed link structure for angle adjustment, a control switch, a fixed plate strip, a lower U-shaped seat, an upper U-shaped seat, a fixed connecting plate, an interlocking control cylinder and a pressure gauge, wherein the sealing clamp is hinged to the upper position of the vulcanizing tank body; the inner threaded holes are respectively formed in the left side and the right side of the front surface of the sealing hoop; the vulcanizing tank cover is hinged to the upper part of the vulcanizing tank body; the control plate is connected to the right side of the front surface of the fixed lath through a screw; the manual pressure-reducing exhaust wire lever structure is arranged at the left position of the front surface of the fixed lath; the interlocking buffer spring structure convenient to maintain is respectively connected with the fixed lath and the vulcanizing tank cover; the auxiliary interlocking fixed chain structures for angle adjustment are respectively arranged at the left side and the right side of the front surface of the fixed lath; the control switch is embedded in the middle of the lower part of the front surface of the control panel; the fixed lath is transversely bolted at the upper part of the front surface of the vulcanizing tank body; the lower U-shaped seat is connected to the middle position of the front surface of the fixed lath through a bolt; the upper U-shaped seat is connected to the middle position of the front surface of the fixed connecting plate through a bolt; the fixed connecting plate is connected to the middle position of the front surface of the vulcanizing tank cover through a bolt; the lower end of the interlocking control cylinder is coupled to the upper side position in the lower U-shaped seat, and the lower end of the interlocking control cylinder is coupled to the lower side position in the upper U-shaped seat; the pressure gauge is in threaded connection with the upper position of the left side of the vulcanizing tank body and is communicated with the interior of the vulcanizing tank body; the manual pressure-reducing exhaust screw lever structure comprises an adjusting hand wheel, a tight-pushing seal screw lever, an external rubber plug, an internal rubber plug, a protective cover, an exhaust hole and a fixed block, wherein the adjusting hand wheel is connected to the upper end of the tight-pushing seal screw lever through a bolt; the external rubber plug is in threaded connection with the upper part of the outer surface of the tightly-pushing sealing wire lever; the inner rubber plug is glued at the lower part of the outer surface of the top tight wire sealing lever; the protective covers are respectively glued to the left side and the right side of the external rubber plug; the exhaust hole is formed in the middle of the inner part of the protective cover; the fixed block is glued at the top end of the outer side of the protective cover.

Preferably, the interlocking buffer spring structure convenient to maintain comprises a lower supporting block, a containing pipe, an L-shaped oil injection maintaining pipe, a dustproof cap, a buffer tension spring, a buffer connecting rod and an upper supporting block, wherein the containing pipe is connected to the middle position of the upper surface of the lower supporting block through a bolt; the L-shaped oil injection maintenance pipe is in threaded connection with the upper part of the right side of the accommodating pipe and is communicated with the inside of the accommodating pipe; the dustproof cap is in threaded connection with the right upper end of the accommodating pipe; one end of the buffer tension spring is in screw connection with the middle position of the lower surface of the interior of the containing pipe, and the other end of the buffer tension spring is in screw connection with the middle position of the lower surface of the buffer connecting rod; the buffer connecting rod is longitudinally bolted at the middle position of the lower surface of the upper supporting block.

Preferably, the auxiliary interlocking fixing chain structure for angle adjustment comprises a universal ball, an internal thread pipe, a fluorescent strip, a stainless steel chain, a connecting ring and a locking bolt, wherein the internal thread pipe is welded at the right side position of the outer surface of the universal ball; the fluorescent adhesive strip is adhered to the middle position of the outer surface of the internal thread pipe; one end of the stainless steel chain is bolted at the right side of the lower surface of the internal threaded pipe, and the other end of the stainless steel chain is bolted at the left lower side of the outer surface of the connecting ring; the connecting ring is connected to the middle position of the left side of the locking bolt through a bolt.

Preferably, the tight-pushing sealing wire lever is respectively in threaded connection with the left positions of the front surfaces of the vulcanizing tank body and the fixed lath; the external rubber plug is arranged in front of the fixing lath; the inside rubber buffer set up the inside at the vulcanizer jar body.

Preferably, the outer rubber plug and the inner rubber plug are respectively trapezoidal rubber plugs; the outer rubber plug and the inner rubber plug are oppositely arranged; the protective cover is an arc-shaped PVC plastic cover; the fixed block specifically adopts a rectangular stainless steel block.

Preferably, the upper supporting block and the lower supporting block are respectively rectangular stainless steel blocks; the upper supporting block is welded on the right lower side of the front surface of the vulcanizing tank cover; and the lower supporting block is welded at the right upper side of the front surface of the fixed lath.

Preferably, the lower support block is disposed between the control panel and the lower U-shaped seat.

Preferably, the containing pipe is a stainless steel pipe with a sealed lower end; the buffer tension spring is a stainless steel spring; the buffer connecting rod is a cylindrical stainless steel rod.

Preferably, the locking bolt is respectively in threaded connection with the internal threaded pipe and the internal threaded hole; the universal balls are respectively embedded with the fixed laths.

Preferably, the fixing lath is made of an arc-shaped stainless steel plate.

Preferably, the control switch is electrically connected with the interlocking control cylinder; the interlocking control cylinder is specifically a cylinder with the model number CDJ2B 10-50; the pressure gauge is a YX-150 type pressure gauge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the setting of adjusting handle and the tight seal wire lever in top, be favorable to carrying out manual rotation to gas power to the vulcanizing boiler jar is internal flows through the gap between the tight seal wire lever in top and the vulcanizing boiler jar body, thereby exhausts the pressure release, increases chain effect, guarantees safety.

2. The utility model discloses in, outside rubber buffer and inside rubber buffer's setting, be favorable to sealing the protection from inside and outside both sides, prevent the reduction of atmospheric pressure.

3. The utility model discloses in, the protection casing specifically adopt curved PVC plastics cover, be favorable to blockking the protection to the pressure release air current.

4. The utility model discloses in, accomodate the pipe, the setting of L type oiling maintenance pipe and dust cap is favorable to pouring into lubricating oil into toward accomodating intraductally, carries out the oiling maintenance to the extension spring.

5. In the utility model, the buffer tension spring is a stainless steel spring; the buffering connecting rod specifically adopt columniform stainless steel pole, be favorable to playing the effect of buffering, richen chain mode, increase the safe effect.

6. The utility model discloses in, universal ball, the internal thread pipe, the stainless steel chain, go-between and locking bolt's setting is favorable to carrying out the regulation of angle to the convenience is fixed locking bolt in the internal thread hole, increases safe effect.

7. The utility model discloses in, lower part U type seat, upper portion U type seat and interlocking control cylinder's setting, be favorable to carrying out interlocking sealed protection, prevent that atmospheric pressure from too big leading to the fact not hard up of vulcanizer cover.

8. The utility model discloses in, pressure gauge and fluorescence setting of pasting the strip, be favorable to detecting the safety that keeps the operation to the pressure in the vulcanizing boiler to the convenient discernment to interlocking device position.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the exhaust screw lever structure capable of manually reducing pressure of the present invention.

Fig. 3 is a schematic structural view of the interlocking buffer spring structure convenient for maintenance.

Fig. 4 is a schematic structural view of an auxiliary chain structure for angle adjustment according to the present invention.

In the figure:

1. a vulcanizing tank body; 2. sealing the clamp; 3. an internally threaded bore; 4. a vulcanizing tank cover; 5. a control panel; 6. the exhaust screw lever structure can be manually depressurized; 61. adjusting a hand wheel; 62. Tightly pushing the sealing wire lever; 63. an outer rubber plug; 64. an inner rubber plug; 65. a protective cover; 66. an exhaust hole; 67. a fixed block; 7. the interlocking buffer spring structure is convenient to maintain; 71. A lower support block; 72. receiving a tube; 73. an L-shaped oil injection maintenance pipe; 74. a dust cap; 75. A buffer tension spring; 76. a buffer connecting rod; 77. an upper support block; 8. an auxiliary interlocking fixed chain structure for angle adjustment; 81. a universal ball; 82. an internally threaded tube; 83. a fluorescent sticker; 84. A stainless steel chain; 85. a connecting ring; 86. locking the bolt; 9. a control switch; 10. fixing the lath; 11. a lower U-shaped seat; 12. an upper U-shaped seat; 13. fixing the connecting plate; 14. a linkage control cylinder; 15. and a pressure gauge.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 2, the utility model provides a safe interlocking device of a vulcanizing boiler with good safety effect, which comprises a vulcanizing boiler body 1, a sealing hoop 2, an internal thread hole 3, a vulcanizing boiler cover 4, a control panel 5, a manually depressible exhaust screw lever structure 6, an interlocking buffer spring structure 7 convenient for maintenance, an auxiliary interlocking fixed link structure 8 for angle adjustment, a control switch 9, a fixed lath 10, a lower U-shaped seat 11, an upper U-shaped seat 12, a fixed connecting plate 13, an interlocking control cylinder 14 and a pressure gauge 15, wherein the sealing hoop 2 is hinged at the upper part of the vulcanizing boiler body 1; the inner threaded holes 3 are respectively formed in the left side and the right side of the front surface of the sealing clamp 2; the vulcanizing tank cover 4 is hinged to the upper part of the vulcanizing tank body 1; the control plate 5 is in screw connection with the right position of the front surface of the fixed lath 10; the manual pressure-reducing exhaust wire lever structure 6 is arranged at the left position of the front surface of the fixed lath 10; the interlocking buffer spring structure 7 convenient to maintain is respectively connected with the fixed lath 10 and the vulcanizing tank cover 4; the auxiliary interlocking fixed chain structures 8 for angle adjustment are respectively arranged at the left side and the right side of the front surface of the fixed lath 10; the control switch 9 is embedded in the middle of the lower part of the front surface of the control panel 5; the fixed lath 10 is transversely bolted at the upper part of the front surface of the vulcanizing tank body 1; the lower U-shaped seat 11 is connected to the middle position of the front surface of the fixed lath 10 through a bolt; the upper U-shaped seat 12 is connected to the middle position of the front surface of the fixed connecting plate 13 through a bolt; the fixed connecting plate 13 is bolted at the middle position of the front surface of the vulcanizing tank cover 4; the lower end of the interlocking control cylinder 14 is coupled to the inner upper side position of the lower U-shaped seat 11, and the lower end of the interlocking control cylinder 14 is coupled to the inner lower side position of the upper U-shaped seat 12; the pressure gauge 15 is in threaded connection with the upper position of the left side of the vulcanizing tank body 1 and is communicated with the interior of the vulcanizing tank body 1; the manual pressure-reducing exhaust wire lever structure 6 comprises an adjusting hand wheel 61, a tight-pushing seal wire lever 62, an external rubber plug 63, an internal rubber plug 64, a protective cover 65, an exhaust hole 66 and a fixed block 67, wherein the adjusting hand wheel 61 is connected to the upper end of the tight-pushing seal wire lever 62 through a bolt; the external rubber plug 63 is in threaded connection with the upper part of the outer surface of the tight sealing wire lever 62; the inner rubber plug 64 is glued at the lower part of the outer surface of the abutting sealing wire lever 62; the protective covers 65 are respectively glued to the left side and the right side of the external rubber plug 63; the exhaust hole 66 is arranged in the middle of the inside of the protective cover 65; the fixed block 67 is glued to the top end of the outer side of the protective cover 65; after the vulcanization operation is accomplished, detect the pressure in the vulcanizer jar body 1 through pressure gauge 15, when the discovery overbalance pressure is too big, hold adjusting hand wheel 61 and carry out the homeotropic rotation, thereby drive the tight seal wire lever 62 in top and rotate, thereby make the phase separation of inside rubber buffer 64 and the vulcanizer jar body 1, thereby pressure gas gets rid of through the vulcanizer jar body 1 and the gap of the tight seal wire lever 62 in top, protection casing 65 can play the effect that blocks the protection in the discharge process, and then get rid of from exhaust hole 66, reach the purpose of pressure release.

In the above embodiment, as shown in fig. 3, specifically, the interlocking buffer spring structure 7 convenient for maintenance includes a lower supporting block 71, a receiving pipe 72, an L-shaped oil injection maintenance pipe 73, a dust cap 74, a buffer tension spring 75, a buffer connecting rod 76 and an upper supporting block 77, wherein the receiving pipe 72 is bolted to the middle position of the upper surface of the lower supporting block 71; the L-shaped oiling maintenance pipe 73 is in threaded connection with the upper position of the right side of the accommodating pipe 72 and is communicated with the inside of the accommodating pipe 72; the dust cap 74 is in threaded connection with the right upper end of the accommodating pipe 72; one end of the buffer tension spring 75 is in screw connection with the middle position of the lower surface in the accommodating pipe 72, and the other end of the buffer tension spring is in screw connection with the middle position of the lower surface of the buffer connecting rod 76; the buffer connecting rod 76 is longitudinally bolted at the middle position of the lower surface of the upper supporting block 77; reach after can the pressure of opening, open behind the sealing device on through the vulcanizer cover 4, control switch 9 starts interlocking control cylinder 14 and makes interlocking control cylinder 14's shrink, drive buffering connecting rod 76 and buffering extension spring 75 and move to the inboard, thereby drive buffering extension spring 75 and contract in receiving pipe 72, play the effect of buffering, after long-time the use, twist off dust cap 74, will lubricate maintenance lubricating oil and pour into through L type oiling maintenance pipe 73 and receive in pipe 72, lubricate maintenance to buffering extension spring 75, and prolonged service life.

In the above embodiment, as shown in fig. 4, specifically, the auxiliary interlocking fixing chain structure 8 for angle adjustment includes a universal ball 81, an internal threaded tube 82, a fluorescent strip 83, a stainless steel chain 84, a connecting ring 85 and a locking bolt 86, wherein the internal threaded tube 82 is welded at a position right of the outer surface of the universal ball 81; the fluorescent adhesive strip 83 is adhered to the middle position of the outer surface of the internal thread tube 82; one end of the stainless steel chain 84 is bolted at the right side of the lower surface of the internal threaded pipe 82, and the other end is bolted at the left lower side of the outer surface of the connecting ring 85; the connecting ring 85 is bolted at the middle position of the left side of the locking bolt 86; the universal ball 81 rotates on the fixing lath 10 by breaking the internal threaded pipe 82, so that the angle of the internal threaded pipe 82 is adjusted, the locking bolt 86 is screwed out of the internal threaded pipe 82, the stainless steel chain 84 is pulled, and the locking bolt 86 is screwed in the internal threaded hole 3, thereby playing a role of interlocking and sealing.

In the above embodiment, specifically, the tightening seal wire lever 62 is respectively screwed at the left positions of the front surfaces of the vulcanizing boiler body 1 and the fixed lath 10; the external rubber plug 63 is arranged at the front part of the fixed lath 10; the inner rubber plug 64 is arranged inside the vulcanizing tank body 1.

In the above embodiment, specifically, the outer rubber plug 63 and the inner rubber plug 64 are respectively trapezoidal rubber plugs; the outer rubber plug 63 and the inner rubber plug 64 are oppositely arranged; the protective cover 65 is an arc-shaped PVC plastic cover; the fixed block 67 is a rectangular stainless steel block.

In the above embodiment, specifically, the upper supporting block 77 and the lower supporting block 71 respectively adopt rectangular stainless steel blocks; the upper supporting block 77 is welded at the right lower side of the front surface of the vulcanizing tank cover 4; the lower support block 71 is welded to the upper right side of the front surface of the fixing strip 10.

In the above embodiment, specifically, the lower supporting block 71 is disposed between the control board 5 and the lower U-shaped seat 11.

In the above embodiment, specifically, the accommodating tube 72 specifically adopts a stainless steel tube with a sealed lower end; the buffer tension spring 75 is a stainless steel spring; the buffer connecting rod 76 is a cylindrical stainless steel rod.

In the above embodiment, specifically, the locking bolt 86 is respectively in threaded connection with the internally threaded tube 82 and the internally threaded hole 3; the universal balls 81 are respectively embedded with the fixed laths 10.

In the above embodiment, specifically, the fixing strip 10 is made of an arc-shaped stainless steel plate.

In the above embodiment, specifically, the control switch 9 is electrically connected to the interlock control cylinder 14; the interlocking control cylinder 14 is specifically an air cylinder with the model number CDJ2B 10-50; the pressure gauge 15 is a pressure gauge with model number YX-150.

Principle of operation

When the utility model is used, the internal thread pipe 82 is broken off to rotate the universal ball 81 on the fixed lath 10, so as to adjust the angle of the internal thread pipe 82, screw out the locking bolt 86 from the internal thread pipe 82, pull the stainless steel chain 84, connect the locking bolt 86 in the internal thread hole 3 by screw thread, and play the role of linkage sealing; after the vulcanization operation is finished, the pressure in the vulcanizing tank body 1 is detected through the pressure gauge 15, when excessive pressure is found, the adjusting hand wheel 61 is held by a hand and rotates along the same direction, so that the tight-pushing sealing screw lever 62 is driven to rotate, the inner rubber plug 64 is separated from the vulcanizing tank body 1, pressure gas is discharged through a gap between the vulcanizing tank body 1 and the tight-pushing sealing screw lever 62, the protective cover 65 plays a role in blocking protection in the discharging process, and then is discharged from the exhaust hole 66, and the purpose of pressure relief is achieved; reach after can the pressure of opening, open behind the sealing device on through the vulcanizer cover 4, control switch 9 starts interlocking control cylinder 14 and makes interlocking control cylinder 14's shrink, drive buffering connecting rod 76 and the inboard motion of buffering extension spring 75, thereby drive buffering extension spring 75 and contract in accomodating pipe 72, the effect of buffering is played, after long-time the use, twist off dust cap 74, to lubricate maintenance lubricating oil and inject into through L type oiling maintenance pipe 73 and accomodate in the pipe 72, lubricate maintenance to buffering extension spring 75, and prolonged service life.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The safe interlocking device of the vulcanizing tank is characterized by comprising a vulcanizing tank body (1), a sealing clamp (2), an internal thread hole (3), a vulcanizing tank cover (4), a control panel (5), a manually-depressurised exhaust wire lever structure (6), a conveniently-maintained interlocking buffer spring structure (7), an angle-adjusted auxiliary interlocking fixing chain structure (8), a control switch (9), a fixing plate strip (10), a lower U-shaped seat (11), an upper U-shaped seat (12), a fixed connecting plate (13), an interlocking control cylinder (14) and a pressure gauge (15), wherein the sealing clamp (2) is hinged to the upper position of the vulcanizing tank body (1); the inner threaded holes (3) are respectively formed in the left side and the right side of the front surface of the sealing clamp (2); the vulcanizing tank cover (4) is hinged to the upper part of the vulcanizing tank body (1); the control plate (5) is connected to the right side of the front surface of the fixed lath (10) through screws; the exhaust wire lever structure (6) capable of manually reducing the pressure is arranged at the left side of the front surface of the fixed lath (10); the interlocking buffer spring structure (7) convenient to maintain is respectively connected with the fixed lath (10) and the vulcanizing tank cover (4); the auxiliary interlocking fixed chain structures (8) for adjusting the angle are respectively arranged at the left side and the right side of the front surface of the fixed lath (10); the control switch (9) is embedded in the middle of the lower part of the front surface of the control plate (5); the fixed lath (10) is transversely bolted at the upper part of the front surface of the vulcanizing tank body (1); the lower U-shaped seat (11) is connected to the middle position of the front surface of the fixed lath (10) through a bolt; the upper U-shaped seat (12) is connected to the middle position of the front surface of the fixed connecting plate (13) through a bolt; the fixed connecting plate (13) is connected to the middle position of the front surface of the vulcanizing tank cover (4) through a bolt; the lower end of the interlocking control cylinder (14) is connected to the upper side position inside the lower U-shaped seat (11) in a shaft mode, and the lower end of the interlocking control cylinder (14) is connected to the lower side position inside the upper U-shaped seat (12) in a shaft mode; the pressure gauge (15) is in threaded connection with the upper position of the left side of the vulcanizing tank body (1) and is communicated with the interior of the vulcanizing tank body (1); the manual pressure-reducing exhaust wire lever structure (6) comprises an adjusting hand wheel (61), a jacking sealing wire lever (62), an external rubber plug (63), an internal rubber plug (64), a protective cover (65), an exhaust hole (66) and a fixed block (67), wherein the adjusting hand wheel (61) is connected to the upper end of the jacking sealing wire lever (62) through a bolt; the external rubber plug (63) is in threaded connection with the upper part of the outer surface of the tight sealing wire lever (62); the inner rubber plug (64) is glued at the lower part of the outer surface of the top sealing wire lever (62); the protective covers (65) are respectively glued to the left side and the right side of the external rubber plug (63); the exhaust hole (66) is formed in the middle of the inner part of the protective cover (65); the fixed block (67) is glued at the top end of the outer side of the protective cover (65).

2. The safe interlocking device for the vulcanizing tank with good safety effect as claimed in claim 1, wherein the interlocking buffer spring structure (7) convenient for maintenance comprises a lower supporting block (71), a containing pipe (72), an L-shaped oil injection maintenance pipe (73), a dustproof cap (74), a buffer tension spring (75), a buffer connecting rod (76) and an upper supporting block (77), wherein the containing pipe (72) is bolted at the middle position of the upper surface of the lower supporting block (71); the L-shaped oiling maintenance pipe (73) is in threaded connection with the upper position of the right side of the accommodating pipe (72) and is communicated with the inside of the accommodating pipe (72); the dust cap (74) is in threaded connection with the right upper end of the accommodating pipe (72); one end of the buffer tension spring (75) is in screw connection with the middle position of the inner lower surface of the accommodating pipe (72), and the other end of the buffer tension spring is in screw connection with the middle position of the lower surface of the buffer connecting rod (76); the buffer connecting rod (76) is longitudinally bolted at the middle position of the lower surface of the upper supporting block (77).

3. The safe interlocking device for the vulcanizing tank with good safety effect as claimed in claim 1, wherein the auxiliary interlocking fixed chain structure (8) for angle adjustment comprises a universal ball (81), an internally threaded tube (82), a fluorescent sticker (83), a stainless steel chain (84), a connecting ring (85) and a locking bolt (86), the internally threaded tube (82) is welded at the right position of the outer surface of the universal ball (81); the fluorescent adhesive strip (83) is adhered to the middle position of the outer surface of the internal thread pipe (82); one end of the stainless steel chain (84) is bolted at the right side of the lower surface of the internal threaded pipe (82), and the other end of the stainless steel chain is bolted at the left lower side of the outer surface of the connecting ring (85); the connecting ring (85) is in bolted connection with the middle position of the left side of the locking bolt (86).

4. The safe interlocking device of the vulcanizing tank with good safety effect as claimed in claim 1, characterized in that the tightening seal wire lever (62) is respectively screwed at the left positions of the front surfaces of the vulcanizing tank body (1) and the fixed lath (10); the external rubber plug (63) is arranged in front of the fixed lath (10); the inner rubber plug (64) is arranged in the vulcanizing tank body (1).

5. The safe interlocking device for the vulcanizing tank with good safety effect as claimed in claim 1, wherein the outer rubber plug (63) and the inner rubber plug (64) are respectively trapezoidal rubber plugs; the outer rubber plug (63) and the inner rubber plug (64) are oppositely arranged; the protective cover (65) is an arc-shaped PVC plastic cover; the fixed block (67) is a rectangular stainless steel block.

6. The safe interlocking device of the vulcanizing tank with good safety effect as claimed in claim 2, characterized in that the upper supporting block (77) and the lower supporting block (71) are rectangular stainless steel blocks respectively; the upper supporting block (77) is welded on the right lower side of the front surface of the vulcanizing tank cover (4); the lower supporting block (71) is welded on the right upper side of the front surface of the fixed lath (10).

7. The safety interlock device for vulcanizer having good safety as set forth in claim 2, wherein said lower support block (71) is disposed between the control plate (5) and the lower U-shaped seat (11).

8. The safe interlocking device of the vulcanizing tank with good safety effect as claimed in claim 2, characterized in that the accommodating pipe (72) is a stainless steel pipe with a sealed lower end; the buffer tension spring (75) is a stainless steel spring; the buffer connecting rod (76) is a cylindrical stainless steel rod.

9. The safe interlocking device of the vulcanizing tank with good safety effect as claimed in claim 3, characterized in that the locking bolt (86) is respectively in threaded connection with the internally threaded pipe (82) and the internally threaded hole (3); the universal balls (81) are respectively embedded with the fixed laths (10).

10. The safety interlock device for vulcanizing boiler with good safety effect as claimed in claim 1, wherein said fixing lath (10) is made of a curved stainless steel plate.