Pressure-bearing sensing flange device

Abstract

The invention provides a pressure-bearing sensing flange device, and relates to the field of pressure-bearing flanges. A vertical cylinder is fixedly arranged in the sealing ring, and a pressure measuring assembly is fixedly arranged at the top of the vertical cylinder through threaded connection; protective structures are fixedly arranged on the outer sides of the flange plates, and bolt assemblies are fixedly arranged between the two flange plates; a connecting device is fixedly arranged on the outer side of the flange plate, an auxiliary assembly is fixedly arranged in the connecting device, and a pressure measuring assembly, a protection structure and a bolt assembly are arranged; the phenomenon of looseness between the nut and the bolt can be prevented; the nut can be prevented from being eroded; meanwhile, an alarm can be given out in time when the pipeline liquid pressure borne by the flange connecting position is too large; timely discovery by workers is facilitated; the problems that an existing flange device is generally not provided with a pressure measuring structure, and therefore when the pressure of pipeline liquid borne by the flange connecting position is too large, workers cannot find the pressure in time conveniently are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of pressure-bearing flanges, and particularly relates to a pressure-bearing sensing flange device. Background Art

[0002] A flange is a component for connecting pipes or equipment, usually consisting of two parallel connecting surfaces and fastened by bolts; flange connections have good sealing performance and can withstand a certain amount of pipeline pressure; the pressure borne by the flange refers to the pipeline liquid pressure received at the flange connection.

[0003] In the existing flange device, two sets of flange plates are fastened by using bolts and nuts. However, after long-term use, loosening may occur between the nuts and bolts, affecting the pressure-bearing effect of the flange; and the nuts may rust and become unable to rotate after being exposed for a long time; thus, it is not convenient to disassemble the flange plates; and the existing flange device usually does not have a pressure measuring structure, making it inconvenient to detect the pressure borne at the flange connection; thus, when the pipeline liquid pressure received at the flange connection is too large, it is not convenient for the staff to discover in time; this may cause the pressure borne by the flange to be too large, resulting in a certain degree of damage to the flange. Summary of the Invention

[0004] The embodiments of the present disclosure relate to a pressure-bearing sensing flange device, which has a pressure measuring component, a protection structure, and a bolt component; it can prevent loosening between the nuts and bolts; and it can prevent the nuts from being exposed for a long time; at the same time, it can issue an alarm in time when the pipeline liquid pressure received at the flange connection is too large; this is beneficial for the staff to process the flange connection in time.

[0005] In the first aspect of the present disclosure, a pressure-bearing sensing flange device is provided, specifically including: a flange plate; a sealing ring is fixedly arranged on one side of the flange plate, and a mounting ring is fixedly arranged on the other side of the flange plate, and the number of the flange plates, the sealing rings, and the mounting rings are all set to two groups; a sealing groove is formed inside the sealing ring, and a sealing ring is movably arranged inside the sealing groove; a protrusion A is fixedly arranged on the outside of one group of sealing rings, and a connecting groove A is formed inside its sealing ring; a protrusion B is fixedly arranged on the outside of the other group of sealing rings, and a connecting groove B is formed inside its sealing ring; the protrusion A is movably arranged inside the connecting groove B, and the protrusion B is movably arranged inside the connecting groove A; a circular hole is formed inside one group of flange plates, and the circular holes are arranged in a circular array.

[0006] A vertical cylinder is fixedly arranged inside the sealing ring, and the vertical cylinder is communicated with the inside of the sealing ring, and a pressure measuring component is fixedly arranged inside the top of the vertical cylinder through threaded connection; a protection structure is fixedly arranged on the outside of the flange plate, and a bolt component is fixedly arranged between the two groups of flange plates; a connecting device is fixedly arranged on the outside of the flange plate, and an auxiliary component is fixedly arranged inside the connecting device.

[0007] In at least some embodiments, the bolt assembly includes: a bolt rod, a stop block, a round rod, a nut, and an engagement hole; the bolt rod is movably disposed between two flange plates; the stop block is fixedly disposed at one end of the bolt rod, and the outer side of the stop block is in contact with the outer side of the flange plate; the round rod is fixedly disposed on the outer side of the stop block, and the round rod is slidably disposed inside the round hole; the nut is threadedly connected to the outer side of the other end of the bolt rod, and the nut is in contact with the outer side of the flange plate; the engagement hole is opened inside the bolt rod.

[0008] In at least some embodiments, the bolt assembly further includes: an engagement block, a magnetic block, and a baffle; the engagement block is slidably disposed inside the engagement hole; the magnetic block is fixedly disposed at the bottom of the engagement block, and the magnetic block is attracted to the bolt rod; the baffle is fixedly disposed at the top of the engagement block, and the outer side of the baffle is in contact with the outer side of the nut.

[0009] In at least some embodiments, the protection structure includes: a fixed retaining ring, a positioning hole, an elastic piece, a locking block, a protective shell, a positioning rod, and a locking hole; the fixed retaining ring is fixedly disposed on the outer side of one flange plate; the positioning holes are arranged in an annular array inside the fixed retaining ring; the elastic piece is fixedly disposed on the outer side of the fixed retaining ring; the locking block is fixedly disposed on the inner side of the elastic piece, and one side of the locking block is provided with a bevel structure; the protective shell is movably disposed on the outer side of the flange plate, and the outer side of the protective shell is in contact with the outer side of the fixed retaining ring, and the protective shell is located outside the nut; the positioning rod is fixedly disposed on the outer side of the protective shell, and the positioning rod is slidably disposed inside the positioning hole; the locking hole is opened inside the protective shell, and the locking block is slidably disposed inside the locking hole.

[0010] In at least some embodiments, the pressure measuring assembly includes: a pressure gauge main body, a gauge shaft, a gauge needle, and a connecting gear; the pressure gauge main body is threadedly connected to the inner side of the top of the vertical cylinder; the gauge shaft is rotatably disposed inside the pressure gauge main body; the gauge needle is fixedly disposed at one end of the gauge shaft; the connecting gear is fixedly disposed at the other end of the gauge shaft.

[0011] In at least some embodiments, the connection device includes: a fixed frame, a toothed plate, a sliding seat, and a conductive head; the fixed frame is fixedly disposed on the outer side of the flange plate; the toothed plate is slidably disposed on the top of the fixed frame through a dovetail groove, and the toothed plate is engaged with the connecting gear; the sliding seat is fixedly disposed at the end of the toothed plate; the conductive head is fixedly disposed on the outer side of the sliding seat, and the number of conductive heads is two.

[0012] In at least some embodiments, the connection device further includes: a support frame, a storage battery, and a buzzer alarm light; the support frame is fixedly disposed on the outer side of the fixed frame, and a rib plate is provided between the bottom of the support frame and the outer side of the fixed frame; the storage battery is fixedly disposed at the bottom of the support frame, and the positive and negative electrodes of the storage battery are electrically connected to the two conductive heads respectively; the buzzer alarm light is fixedly disposed on the top of the support frame.

[0013] In at least some embodiments, the auxiliary component includes: an auxiliary cross bar, an auxiliary frame, a threaded rod, an adjusting block, and a guiding cross bar; the auxiliary cross bar is arranged in a hexagonal shape, and the auxiliary cross bar is slidably arranged inside the fixed frame, and a spring member is arranged between the top end of the auxiliary cross bar and the inner side of the fixed frame; the auxiliary frame is fixedly arranged at the top end of the auxiliary cross bar; the threaded rod is arranged inside the top side of the auxiliary frame through threaded connection, and a knob is fixedly arranged at the top end of the threaded rod; the adjusting block is rotatably arranged outside the top end of the threaded rod; the guiding cross bar is fixedly arranged outside the adjusting block, and the guiding cross bar is slidably arranged inside the auxiliary frame.

[0014] In at least some embodiments, the auxiliary component further includes: a conductive cylinder; the conductive cylinder is fixedly arranged inside the adjusting block, and the number of conductive cylinders is set to two groups; the two groups of conductive cylinders and the two groups of conductive heads are located on the same axis, and the two groups of conductive cylinders are electrically connected between the positive and negative poles of the buzzer alarm lamp respectively.

[0015] Beneficial effects

[0016] 1. In the present invention, by providing a round rod and a round hole, the rotation of the bolt rod and the block can be prevented; and by using a magnetic block and an engaging block, the baffle can be fixed outside the nut; thereby the horizontal movement of the nut can be prevented; furthermore, after the nut cooperates with the bolt rod to fasten the two flange plates, the loosening between the nut and the bolt can be prevented, which is beneficial to ensuring the pressure-bearing effect of the flange.

[0017] 2. In the present invention, by providing a locking block and an elastic sheet, the locking block can automatically slide into and be fixed in the locking hole; the protective shell can be fixed outside the nut; it is beneficial to prevent the nut from rusting due to being eroded by rainwater; it can prevent the phenomenon that the nut is exposed outside for a long time and rusts and cannot be rotated.

[0018] 3. In the present invention, by providing a connecting gear and a toothed plate, when the watch shaft and the watch hand rotate to a certain angle and the pressure value reaches a specified value, the conductive head can slide into the conductive cylinder; when the pipeline liquid pressure received at the flange connection is too large, the buzzer alarm lamp can be powered on for operation; thereby when the pipeline liquid pressure received at the flange connection is too large, the buzzer alarm lamp can give a warning; it is beneficial for the staff to process the flange connection in time; it is beneficial to prevent the flange connection from being damaged due to excessive pressure.

[0019] 4. In the present invention, by providing a threaded rod and a guiding cross bar, the horizontal positions of the adjusting block and the conductive cylinder can be adjusted; thereby, the distance between the conductive head and the conductive cylinder can be adjusted; and accordingly, the alarm pressure value can be adjusted according to the actual pressure borne by the flange device. By providing an auxiliary cross bar and a spring member, after the conductive head slides into the conductive cylinder, the conductive head can continue to push the adjusting block to move; thus, when the pointer rotates to the alarm pressure value, it can still continue to rotate, ensuring the normal operation of the pressure gauge main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0021] The drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0022] In the drawings:

[0023] Figure 1 is the overall structural schematic diagram of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0024] Figure 2 is the connection structural schematic diagram of the bolt assembly and the flange plate of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0025] Figure 3 is the cross-sectional structural schematic diagram of the flange plate of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0026] Figure 4 is the structural schematic diagram of the protection structure of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0027] Figure 5 is the split structural schematic diagram of the bolt assembly of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0028] Figure 6 is the structural schematic diagram of the pressure gauge main body of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0029] Figure 7 is the structural schematic diagram of the connection device of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0030] Figure 8 is the structural schematic diagram of the auxiliary assembly of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0031] Figure 9 is the structural schematic diagram of the lower surface of the support frame of the pressure-bearing sensing flange device according to the embodiment of the present invention.

[0032] LIST OF REFERENCE NUMERALS

[0033] 1. Flange; 101. Sealing ring; 102. Mounting ring; 103. Sealing groove; 104. Sealing ring; 105. Projection A; 106. Connecting groove A; 107. Connecting groove B; 108. Projection B; 109. Vertical cylinder; 1010. Round hole;

[0034] 2. Bolt assembly; 201. Bolt rod; 202. Block; 203. Round rod; 204. Nut; 205. Connecting hole; 206. Connecting block; 207. Magnet; 208. Baffle;

[0035] 3. Protection structure; 301. Fixed retaining ring; 302. Positioning hole; 303. Elastic sheet; 304. Locking block; 305. Protective shell; 306. Positioning rod; 307. Locking hole;

[0036] 4. Pressure measuring assembly; 401. Pressure gauge body; 402. Gauge shaft; 403. Gauge needle; 404. Connecting gear;

[0037] 5. Connecting device; 501. Fixed frame; 502. Toothed plate; 503. Sliding seat; 504. Conductive head; 505. Support frame; 506. Battery; 507. Buzzer alarm light;

[0038] 6. Auxiliary assembly; 601. Auxiliary cross bar; 602. Auxiliary frame; 603. Threaded rod; 604. Adjusting block; 605. Guide cross bar; 606. Conductive cylinder. Detailed implementation mode

[0039] In order to make the objectives, solutions, and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the ordinary meanings in the art. The same reference numerals in the drawings represent the same components.

[0040] Embodiment 1: Please refer to Figures 1 to 9 as shown:

[0041] The present invention provides a pressure-bearing sensing flange device, including a flange plate 1; a sealing ring 101 is fixedly arranged on one side of the flange plate 1, and a mounting ring 102 is fixedly arranged on the other side of the flange plate 1, and the number of the flange plate 1, the sealing ring 101 and the mounting ring 102 is set to two groups; a sealing groove 103 is formed inside the sealing ring 101, and a sealing ring 104 is movably arranged inside the sealing groove 103; a protrusion A 105 is fixedly arranged on the outer side of one group of sealing rings 101, and a connecting groove A 106 is formed inside the sealing ring 101; a protrusion B 108 is fixedly arranged on the outer side of the other group of sealing rings 101, and a connecting groove B 107 is formed inside the sealing ring 101; the protrusion A 105 is movably arranged inside the connecting groove B 107, and the protrusion B 108 is movably arranged inside the connecting groove A 106; a circular hole 1010 is formed inside one group of flange plates 1, and the circular holes 1010 are arranged in a circular array.

[0042] In an embodiment of the present disclosure, a vertical cylinder 109 is fixedly arranged inside the sealing ring 101, and the vertical cylinder 109 is communicated with the inside of the sealing ring 101, and a pressure measuring assembly 4 is fixedly arranged inside the top of the vertical cylinder 109 through threaded connection; a protection structure 3 is fixedly arranged on the outer side of the flange plate 1, and a bolt assembly 2 is fixedly arranged between the two groups of flange plates 1; a connecting device 5 is fixedly arranged on the outer side of the flange plate 1, and an auxiliary assembly 6 is fixedly arranged inside the connecting device 5; the bolt assembly 2 includes: a bolt rod 201, a stop block 202, a round rod 203, a nut 204, a connecting hole 205, a connecting block 206, a magnetic block 207 and a baffle 208; the bolt rod 201 is movably arranged between the two groups of flange plates 1; the stop block 202 is fixedly arranged at one end of the bolt rod 201, and the outer side of the stop block 202 is attached to the outer side of the flange plate 1; the round rod 203 is fixedly arranged on the outer side of the stop block 202, and the round rod 203 is slidably arranged inside the circular hole 1010; the nut 204 is arranged on the outer side of the other end of the bolt rod 201 through threaded connection, and the nut 204 is attached to the outer side of the flange plate 1; the connecting hole 205 is formed inside the bolt rod 201; the connecting block 206 is slidably arranged inside the connecting hole 205; the magnetic block 207 is fixedly arranged at the bottom of the connecting block 206, and the magnetic block 207 is attracted to the bolt rod 201; the baffle 208 is fixedly arranged on the top of the connecting block 206, and the outer side of the baffle 208 is attached to the outer side of the nut 204; its specific function is: by providing the round rod 203 and the circular hole 1010, the rotation of the bolt rod 201 and the stop block 202 can be prevented; and by using the magnetic block 207 and the connecting block 206, the baffle 208 can be fixed on the outer side of the nut 204; the horizontal movement of the nut 204 can be prevented; and further, the loosening between the nut 204 and the bolt can be prevented.

[0043] Embodiment Two: Please refer to Figure 2 With Figure 4Shown as follows: On the basis of Embodiment 1, the protection structure 3 includes: a fixed retaining ring 301, a positioning hole 302, an elastic piece 303, a locking block 304, a protective shell 305, a positioning rod 306 and a locking hole 307; the fixed retaining ring 301 is fixedly arranged on the outside of a set of flange plates 1; the positioning holes 302 are arranged in an annular array inside the fixed retaining ring 301; the elastic piece 303 is fixedly arranged on the outside of the fixed retaining ring 301; the locking block 304 is fixedly arranged on the inner side of the elastic piece 303, and one side of the locking block 304 is set as a bevel structure; the protective shell 305 is movably arranged on the outside of the flange plate 1, and the outside of the protective shell 305 is attached to the outside of the fixed retaining ring 301, and the protective shell 305 is located outside the nut 204; the positioning rod 306 is fixedly arranged on the outside of the protective shell 305, and the positioning rod 306 is slidably arranged inside the positioning hole 302; the locking hole 307 is opened inside the protective shell 305, and the locking block 304 is slidably arranged inside the locking hole 307; its specific function is: by providing the locking block 304 and the elastic piece 303, the locking block 304 can automatically slide into and be fixed in the locking hole 307; the protective shell 305 can be fixed outside the nut 204; it is beneficial to prevent the nut 204 from being eroded by rainwater and air.

[0044] Embodiment 3: Please refer to Figure 1 and Figures 6 to 9As shown in the figure: On the basis of the first embodiment and the second embodiment, the pressure measuring assembly 4 includes: a pressure gauge main body 401, a gauge shaft 402, a gauge needle 403 and a connecting gear 404; the pressure gauge main body 401 is arranged inside the top of the vertical cylinder 109 through threaded connection; the gauge shaft 402 is rotatably arranged inside the pressure gauge main body 401; the gauge needle 403 is fixedly arranged at one end of the gauge shaft 402; the connecting gear 404 is fixedly arranged at the other end of the gauge shaft 402; the connection device 5 includes: a fixed frame 501, a toothed plate 502, a sliding seat 503, a conductive head 504, a support frame 505, a storage battery 506 and a buzzer alarm lamp 507; the fixed frame 501 is fixedly arranged outside the flange 1; the toothed plate 502 is slidably arranged on the top of the fixed frame 501 through a dovetail groove, and the toothed plate 502 meshes with the connecting gear 404; the sliding seat 503 is fixedly arranged at the end of the toothed plate 502; the conductive head 504 is fixedly arranged outside the sliding seat 503, and the number of the conductive heads 504 is set to two groups; the support frame 505 is fixedly arranged outside the fixed frame 501, and a rib plate is arranged between the bottom of the support frame 505 and the outside of the fixed frame 501; the storage battery 506 is fixedly arranged at the bottom of the support frame 505, and the positive and negative electrodes of the storage battery 506 are electrically connected to the two groups of conductive heads 504 respectively; the buzzer alarm lamp 507 is fixedly arranged at the top of the support frame 505; the auxiliary assembly 6 includes: an auxiliary cross bar 601, an auxiliary frame 602, a threaded rod 603, an adjusting block 604, a guiding cross bar 605 and a conductive cylinder 606; the auxiliary cross bar 601 is hexagonal, and the auxiliary cross bar 601 is slidably arranged inside the fixed frame 501, and a spring member is arranged between the top end of the auxiliary cross bar 601 and the inside of the fixed frame 501; the auxiliary frame 602 is fixedly arranged at the top end of the auxiliary cross bar 601; the threaded rod 603 is arranged inside the top side of the auxiliary frame 602 through threaded connection, and a knob is fixedly arranged at the top end of the threaded rod 603; the adjusting block 604 is rotatably arranged outside the top end of the threaded rod 603; the guiding cross bar 605 is fixedly arranged outside the adjusting block 604, and the guiding cross bar 605 is slidably arranged inside the auxiliary frame 602; the conductive cylinder 606 is fixedly arranged inside the adjusting block 604, and the number of the conductive cylinders 606 is set to two groups; the two groups of conductive cylinders 606 are on the same axis as the two groups of conductive heads 504 respectively, and the two groups of conductive cylinders 606 are electrically connected to the positive and negative electrodes of the buzzer alarm lamp 507 respectively; its specific function is: by arranging the connecting gear 404 and the toothed plate 502, when the gauge shaft 402 and the gauge needle 403 rotate to a certain angle and the pressure value reaches the specified value, the conductive head 504 can slide into the conductive cylinder 606; when the pipeline liquid pressure received at the flange connection is too large, the buzzer alarm lamp 507 can be powered on for warning; it is beneficial for the staff to process the flange connection in time.

[0045] Specific usage method and function of this embodiment: In the present invention, when in use, insert the two sets of mounting rings 102 into the interiors of two pipes to be connected respectively, and weld the mounting rings 102 on the pipes; pass the bolt rod 201 through the two sets of flange plates 1, so that the stop block 202 fits against the outer surface of one set of flange plates 1, and make the round rod 203 slide into the round hole 1010; make the bolt rod 201 unable to rotate; then screw the nut 204 onto the outside of the bolt rod 201, so that the nut 204 fits against the outside of the other set of flange plates 1, making the two sets of flange plates 1 tightly fastened; thus, the sealing ring 104 is fixed between the two sealing grooves 103; and make the protrusion A 105 slide into the connection groove B 107, and make the protrusion B 108 slide into the connection groove A 106; thus, the two sets of flange plates 1 bear pressure through the two sets of sealing rings 101; then insert the magnet 207 and the connection block 206 into the connection hole 205, so that the magnet 207 fixes the connection block 206 and the baffle 208 through suction; the baffle 208 blocks the nut 204, which helps to prevent loosening between the nut 204 and the bolt rod 201; then slide the protective shell 305 onto the outside of the flange plate 1 through the positioning rod 306 and the positioning hole 302; during the sliding process of the protective shell 305, the protective shell 305 squeezes the locking block 304, making the locking block 304 move outward through its own hypotenuse; when the outside of the protective shell 305 fits against the outside of the fixed retaining ring 301, the elastic piece 303 drives the locking block 304 to slide into the locking hole 307 by its own elastic force, fixing the protective shell 305 outside the nut 204; it can prevent the nut 204 from being eroded by rainwater and air, which helps to prevent the nut 204 from rusting; when the internal hydraulic pressure of the pipe is too high and the pressure borne by the connection of the two sets of flange plates 1 is too high, the pressure gauge main body 401 detects the hydraulic pressure, making the gauge shaft 402 drive the connecting gear 404 and the pointer 403 to rotate; the connecting gear 404 drives the sliding seat 503 to slide through the toothed plate 502, making the conductive head 504 slide into the conductive cylinder 606, making the buzzer alarm lamp 507 energized, and then using the buzzer alarm lamp 507 to give an alarm warning; the conductive head 504 can continue to push the adjusting block 604 to slide through the auxiliary cross bar 601, so that the pointer 403 and the gauge shaft 402 can continue to rotate; rotate the threaded rod 603, and the threaded rod 603 drives the adjusting block 604 to move horizontally through the guiding cross bar 605, so as to adjust the distance between the conductive head 504 and the conductive cylinder 606.

Claims

1. A pressure-bearing sensing flange device, characterized in that, Including: A flange (1); a sealing ring (101) is fixedly arranged on one side of the flange (1), and a mounting ring (102) is fixedly arranged on the other side of the flange (1), and the numbers of the flange (1), the sealing ring (101) and the mounting ring (102) are all set to two groups; a sealing groove (103) is formed inside the sealing ring (101), and a sealing ring (104) is movably arranged inside the sealing groove (103); a protrusion A (105) is fixedly arranged on the outside of one group of sealing rings (101), and a connecting groove A (106) is formed inside the sealing ring (101); a protrusion B (108) is fixedly arranged on the outside of the other group of sealing rings (101), and a connecting groove B (107) is formed inside the sealing ring (101); the protrusion A (105) is movably arranged inside the connecting groove B (107), and the protrusion B (108) is movably arranged inside the connecting groove A (106); a circular hole (1010) is formed inside one group of flanges (1), and the circular holes (1010) are arranged in a circular array. A vertical cylinder (109) is fixedly arranged inside the sealing ring (101), and the vertical cylinder (109) is communicated with the inside of the sealing ring (101), and a pressure measuring assembly (4) is fixedly arranged inside the top of the vertical cylinder (109) through threaded connection; a protection structure (3) is fixedly arranged on the outside of the flange (1), and a bolt assembly (2) is fixedly arranged between the two groups of flanges (1); a connecting device (5) is fixedly arranged on the outside of the flange (1), and an auxiliary assembly (6) is fixedly arranged inside the connecting device (5).

2. The pressure-bearing sensing flange device according to claim 1, characterized in that: The bolt assembly (2) includes: a bolt rod (201), a stop block (202), a round rod (203), a nut (204) and a connecting hole (205); the bolt rod (201) is movably arranged between the two groups of flanges (1); the stop block (202) is fixedly arranged at one end of the bolt rod (201), and the outside of the stop block (202) is attached to the outside of the flange (1); the round rod (203) is fixedly arranged on the outside of the stop block (202), and the round rod (203) is slidably arranged inside the circular hole (1010); the nut (204) is arranged on the outside of the other end of the bolt rod (201) through threaded connection, and the nut (204) is attached to the outside of the flange (1); the connecting hole (205) is formed inside the bolt rod (201).

3. The pressure-bearing sensing flange device according to claim 2, wherein: The bolt assembly (2) further includes: a connecting block (206), a magnetic block (207) and a baffle (208); the connecting block (206) is slidably arranged inside the connecting hole (205); the magnetic block (207) is fixedly arranged at the bottom of the connecting block (206), and the magnetic block (207) is attracted to the bolt rod (201); the baffle (208) is fixedly arranged at the top of the connecting block (206), and the outside of the baffle (208) is attached to the outside of the nut (204).

4. A pressure-bearing sensing flange device according to claim 2, characterized in that: The protective structure (3) includes: a fixed retaining ring (301), positioning holes (302), elastic sheets (303), locking blocks (304), a protective shell (305), positioning rods (306) and locking holes (307); the fixed retaining ring (301) is fixedly arranged on the outer side of a group of flange plates (1); the positioning holes (302) are arranged in an annular array inside the fixed retaining ring (301); the elastic sheets (303) are fixedly arranged on the outer side of the fixed retaining ring (301); the locking blocks (304) are fixedly arranged on the inner side of the elastic sheets (303), and one side of the locking block (304) is arranged as a bevel structure; the protective shell (305) is movably arranged on the outer side of the flange plate (1), and the outer side of the protective shell (305) is in contact with the outer side of the fixed retaining ring (301), and the protective shell (305) is located outside the nut (204); the positioning rods (306) are fixedly arranged on the outer side of the protective shell (305), and the positioning rods (306) are slidably arranged inside the positioning holes (302); the locking holes (307) are opened inside the protective shell (305), and the locking blocks (304) are slidably arranged inside the locking holes (307).

5. A pressure-bearing sensing flange device according to claim 1, characterized in that: The pressure measuring assembly (4) includes: a pressure gauge main body (401), a gauge shaft (402), a gauge needle (403) and a connecting gear (404); the pressure gauge main body (401) is connected to the inner side of the top of the vertical cylinder (109) by thread; the gauge shaft (402) is rotatably arranged inside the pressure gauge main body (401); the gauge needle (403) is fixedly arranged at one end of the gauge shaft (402); the connecting gear (404) is fixedly arranged at the other end of the gauge shaft (402).

6. The pressure-bearing sensing flange device according to claim 5, characterized in that: The connecting device (5) includes: a fixed frame (501), a toothed plate (502), a sliding seat (503) and a conductive head (504); the fixed frame (501) is fixedly arranged on the outer side of the flange plate (1); the toothed plate (502) is slidably arranged on the top of the fixed frame (501) through a dovetail groove, and the toothed plate (502) meshes with the connecting gear (404); the sliding seat (503) is fixedly arranged at the end of the toothed plate (502); the conductive head (504) is fixedly arranged on the outer side of the sliding seat (503), and the number of the conductive heads (504) is set to two groups.

7. The pressure-bearing sensing flange device according to claim 6, characterized in that: The connecting device (5) further includes: a support frame (505), a storage battery (506) and a buzzer alarm lamp (507); the support frame (505) is fixedly arranged on the outer side of the fixed frame (501), and a rib plate is arranged between the bottom of the support frame (505) and the outer side of the fixed frame (501); the storage battery (506) is fixedly arranged at the bottom of the support frame (505), and the positive and negative electrodes of the storage battery (506) are electrically connected to the two groups of conductive heads (504) respectively; the buzzer alarm lamp (507) is fixedly arranged on the top of the support frame (505).

8. A pressure-bearing sensing flange device according to claim 6, characterized in that: The auxiliary component (6) includes: an auxiliary cross bar (601), an auxiliary frame (602), a threaded rod (603), an adjusting block (604) and a guiding cross bar (605); the auxiliary cross bar (601) is set to be hexagonal, and the auxiliary cross bar (601) is slidably arranged inside the fixed frame (501), and a spring member is arranged between the top end of the auxiliary cross bar (601) and the inner side of the fixed frame (501); the auxiliary frame (602) is fixedly arranged at the top end of the auxiliary cross bar (601); the threaded rod (603) is arranged inside the top side of the auxiliary frame (602) through threaded connection, and a knob is fixedly arranged at the top end of the threaded rod (603); the adjusting block (604) is rotatably arranged outside the top end of the threaded rod (603); the guiding cross bar (605) is fixedly arranged outside the adjusting block (604), and the guiding cross bar (605) is slidably arranged inside the auxiliary frame (602).

9. A pressure-bearing sensing flange device according to claim 8, characterized in that: The auxiliary component (6) further includes: a conductive cylinder (606); the conductive cylinder (606) is fixedly arranged inside the adjusting block (604), and the number of the conductive cylinders (606) is set to two groups; the two groups of conductive cylinders (606) and the two groups of conductive heads (504) are located on the same axis, and the two groups of conductive cylinders (606) are electrically connected between the positive and negative poles of the buzzer alarm lamp (507) respectively.

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