CN215265051U - Bolt fracture early warning device - Google Patents
Bolt fracture early warning device Download PDFInfo
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- CN215265051U CN215265051U CN202120725576.XU CN202120725576U CN215265051U CN 215265051 U CN215265051 U CN 215265051U CN 202120725576 U CN202120725576 U CN 202120725576U CN 215265051 U CN215265051 U CN 215265051U
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- 238000001514 detection method Methods 0.000 claims abstract description 16
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- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000003973 paint Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a bolt fracture early warning device, which comprises at least two screw caps, wherein two signal detection lines movably extending into the same screw cap are movably connected through a connecting sheet, a plurality of the screw caps form an alarm circuit through the signal detection lines, the alarm circuit is provided with an alarm, a support sheet is fixedly connected on the connecting sheet, a baffle plate and an elastic extrusion column are sequentially arranged on the push plate along the direction close to the bolt, the push plate is fixedly connected with a trigger rod movably passing through the baffle plate, the alarm is triggered to work through connection or separation between the connecting sheets, and the alarm circuit is disconnected to alarm through separation of the connecting sheets when the bolt expands to a safety hidden trouble set value due to expansion crack and the bolt is matched with a piston assembly through the expansion plate, a fixed plate, a pull rope and a piston assembly, and when the control circuit gives an alarm, the marking paint flows out and is dip-dyed on the screw cap.
Description
Technical Field
The utility model relates to a bolt fracture warning technical field specifically is a bolt fracture early warning device.
Background
The bolt is when receiving great shearing force, easily breaks, if not in time change the bolt that breaks, can cause very big potential safety hazard for the device operation, can lead to the device to scatter the frame even and cause the production accident, cause huge personal accident and loss of property.
In the prior art, a bolt for a railway vehicle with functions of fracture loosening alarm and anti-falling-off flying-out, which is applied under the application number of '201721576233.1', is characterized in that a safety wire is arranged in a hollow bolt, an alarm signal generator is arranged at the top of the hollow bolt, when the hollow bolt is fractured, the safety wire is straightened to trigger the alarm signal generator, and meanwhile, the safety wire and the alarm signal generator block the fractured hollow bolt to prevent the fractured hollow bolt from flying out to cause risks to the surrounding environment.
However, the prior art still has major defects, such as: 1, the bolt needs to have higher anti-shearing force performance, and the cavity is formed in the bolt by the technology, so that the anti-shearing performance of the bolt is greatly reduced, the service life of the bolt is greatly reduced, and the potential possibility of bolt fracture is improved; 2, when the bolt is subjected to expansion cracking but not completely cracked, the performance of the bolt is greatly reduced, the bolt is very easy to crack, and a large potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bolt fracture early warning device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a bolt fracture early warning device, includes the screw cap that is no less than two, still includes the signal detection line that a plurality of both ends all set up the connection piece, and two signal detection lines that the activity stretched into in same screw cap pass through connection piece swing joint, and are a plurality of form alarm circuit through the signal detection line between the screw cap, and the last alarm that is provided with of alarm circuit.
Preferably, a bolt is movably inserted into any one of the thread caps, two connecting pieces in the same thread cap are symmetrically clamped on the bolt and movably contacted, a supporting piece is fixedly connected to any one of the connecting pieces, and an inserting rod is fixedly connected to the supporting piece;
the inner wall of the threaded cap is provided with a slot for the insertion rod to movably insert, one end of the insertion rod extending into the slot is fixedly connected with a push plate, and an elastic supporting rod is fixedly connected between the push plate and the inner wall of the slot;
the push pedal has set gradually baffle, elasticity extrusion post along being close to the bolt direction, and the elasticity extrusion post is blocked by the baffle, baffle fixed connection has the elastic tensile pole, the movable trigger bar that passes the baffle of push pedal fixedly connected with, and the trigger bar card baffle makes the baffle can't leave the elasticity extrusion post.
Preferably, slot connection has the spread groove, and the push pedal activity inserts in the spread groove, and elasticity extrusion post fixed connection is on the spread groove inner wall, the spread groove is connected with the spacing groove, the baffle activity stretches out the spacing groove and stretches into in the spread groove, the tensile pole fixed connection of elasticity is between baffle and spacing groove.
Preferably, the connecting groove is connected with an outlet groove communicated with the outside, the push plate is fixedly connected with an extension rod, the extension rod is movably inserted into the outlet groove, one end of the extension rod inserted into the outlet groove is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with a plurality of opening plates through elastic compression rods;
any one of the opening plates is internally provided with a marking groove, marking paint is stored in the marking groove, a piston assembly is movably arranged in the marking groove, a pull rope is fixedly connected between the piston assembly and the fixed plate, and when the fixed plate and the opening plate are mutually far away, the pull rope drives the piston assembly to extend out of the marking groove.
Preferably, the opening of the marking groove is positioned on the end face, far away from the extension rod, of the opening plate, the piston assembly comprises a push block, a connecting rod and a stop block which are fixedly connected in sequence along the direction far away from the extension rod, the marking paint is stored between the push block and the stop block, two ends of the pull rope are fixedly connected to the push block and the fixing plate respectively, and the joint of the push block and the pull rope is positioned between the fixing plate and the joint of the pull rope as well as the extension rod.
Preferably, the opening plate and the extension rod are rotatably connected through a rotating wheel.
Compared with the prior art, the beneficial effects of the utility model are that:
the device triggers the alarm to work by connecting or separating the connecting sheets, ensures the integral integrity and the anti-shearing performance of the bolt compared with a mode of slotting and burying the wire in the bolt, greatly prolongs the service life and the working stability of the bolt, and is not easy to break;
2, the elastic support rod of the device drives the support sheet to extrude the connection sheet through the push plate and the insertion rod, so that the connection sheet is stably clamped on the bolt, the connection sheet is prevented from falling off the bolt, the alarm circuit is disconnected and false alarm is caused, and through the matching among the trigger rod, the baffle and the elastic extrusion column, when the bolt expands to a potential safety hazard set value due to expansion crack, the elastic extrusion column pushes the push plate to separate the connection sheet, so that the alarm circuit is disconnected and alarms, a worker can conveniently find out the bolt with the potential safety hazard in advance and replace the bolt in time, and the safety accident caused by the bolt fracture to the whole device is avoided;
3, this device is through opening the cooperation between board, fixed plate, stay cord and piston assembly, in the control circuit warning, opens the board and keeps away from the fixed plate, and stay cord pulling piston assembly stretches out the mark groove, and the mark coating flows and dyes on the screw cap, makes things convenient for the staff in time to discover the bolt that has the potential safety hazard, reduces the staff and discovers the degree of difficulty that has the potential safety hazard bolt.
The utility model discloses a bolt fracture early warning device, meet or separation trigger alarm work through between the connection piece, whole integrality and the anti-shear property of bolt have been guaranteed for the mode of fluting buried line in the bolt, still pass through the trigger bar, the cooperation between baffle and elasticity extrusion post, expand to the potential safety hazard when setting for numerical value because of the expansion crack at the bolt, the connection piece separation makes the warning circuit disconnection report to the police, the staff of being convenient for arranges the bolt that has the potential safety hazard in advance and in time changes, and through opening the board, the fixed plate, the cooperation between stay cord and piston assembly, when control circuit reports to the police, the mark coating flows and the dip-dye on the screw cap, make things convenient for the staff in time to discover the bolt that has the potential safety hazard.
Drawings
FIG. 1 is a schematic front sectional view of a single screw cap according to the present invention;
FIG. 2 is an enlarged view of the structure of area A in FIG. 1;
fig. 3 is a schematic view of the opening plate of the present invention;
FIG. 4 is a schematic top sectional view of a single threaded cap according to the present invention;
FIG. 5 is a schematic diagram of the separation of the connecting sheet of the present invention;
fig. 6 is a schematic diagram of the middle alarm circuit of the present invention.
In the figure: 1 threaded cap, 101 slots, 102 connecting slots, 103 limiting slots, 104 outlet slots, 2 bolts, 3 signal detection lines, 31 connecting sheets, 4 alarms, 5 supporting sheets, 6 inserting rods, 7 push plates, 71 trigger rods, 8 elastic supporting rods, 9 baffles, 10 elastic extrusion columns, 11 elastic stretching rods, 12 extension rods, 13 fixing plates, 14 expanding plates, 141 marking slots, 15 elastic compression rods, 16 push blocks, 17 connecting rods, 18 stoppers, 19 pull ropes, 20 rotating wheels and 21 nuts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a bolt fracture early warning device comprises at least two screw caps 1 and a plurality of signal detection lines 3, wherein the two ends of each signal detection line 3 are respectively provided with a connecting sheet 31, the two signal detection lines 3 which movably extend into the same screw cap 1 are movably connected through the connecting sheets 31, an alarm circuit is formed among a plurality of screw caps 1 through the signal detection lines 3, the alarm circuit is provided with an alarm 4, when a certain bolt 2 is fractured, the fractured bolt 2 drives the screw cap 1 to move together, so that the two connecting sheets 31 which are movably connected in the screw cap 1 are separated from each other, the alarm circuit is disconnected, the alarm 4 triggers alarm due to the disconnection of the alarm circuit, the connecting sheets 31 are blocked on the inner wall of the screw cap 1, the fractured bolt 2 cannot drive the screw cap 1 to fly out, the problem that the bolt 2 flies out to cause potential safety hazards to the surrounding environment after being fractured is avoided, the alarm 4 is triggered to work by the connection or separation of the connecting sheets 31, and operations such as grooving and the like are not carried out on the interior of the bolt 2, so that the integral integrity and the shearing resistance of the bolt 2 are ensured.
Furthermore, a bolt 2 is movably inserted into any one of the screw caps 1, two connecting pieces 31 in the same screw cap 1 are symmetrically clamped on the bolt 2 and are in movable contact with the bolt 2, a supporting piece 5 is fixedly connected to any one of the connecting pieces 31, the supporting piece 5 enables the connecting piece 31 to be stably clamped on the bolt 2, the phenomenon that the connecting piece 31 falls off from the bolt 2 to cause the disconnection of an alarm circuit and further to cause the false alarm of the alarm 4 is avoided, the accuracy of the early warning device is improved, and an inserting rod 6 is fixedly connected to the supporting piece 5;
the inner wall of the threaded cap 1 is provided with a slot 101 into which an insertion rod 6 is movably inserted, one end of the insertion rod 6 extending into the slot 101 is fixedly connected with a push plate 7, an elastic supporting rod 8 is fixedly connected between the push plate 7 and the inner wall of the slot 101, and the elastic supporting rod 8 pushes the insertion rod 6 to enable the insertion rod 6 to drive a supporting piece 5 to extrude a connecting piece 31, so that the connecting piece 3 is stably clamped on the bolt 2, and the phenomenon that the connecting piece 31 falls off from the bolt 2 to disconnect an alarm circuit and cause false alarm is prevented;
the push plate 7 is sequentially provided with a baffle 9 and an elastic extrusion column 10 along the direction close to the bolt 2, the elastic extrusion column 10 is blocked by the baffle 9, the baffle 9 is fixedly connected with an elastic stretching rod 11, the push plate 7 is fixedly connected with a trigger rod 71 movably penetrating through the baffle 9, and the trigger rod 71 blocks the baffle 9 so that the baffle 9 cannot leave the elastic extrusion column 10;
when the bolt 2 is cracked due to stress concentration of the bolt 2 or external factors, the bolt 2 slightly expands due to cracking, the bolt 2 expands to enable the two movably connected connecting pieces 31 to be away from each other, the movably connected connecting pieces 31 are partially overlapped due to the fact that the movably connected connecting pieces 31 need to be contacted to transmit electric signals during assembly, and in order to guarantee the connection stability among the connecting pieces 31, the larger the overlapped part among the connecting pieces 31 is, the better the overlapped part is, so that when the bolt 2 is slightly cracked to generate potential safety hazards, the movably connected connecting pieces 31 are still not separated, and the early warning effect of the warning circuit is reduced;
when the bolt 2 slightly expands due to expansion crack, the bolt 2 expands to enable the two movably connected connecting sheets 31 to be away from each other, the connecting sheets 31 drive the insertion rod 6 to move towards the direction away from the bolt 2 through the supporting sheet 5, the insertion rod 6 moves to drive the push plate 7 to move away from the baffle 9 until the trigger rod 71 on the push plate 7 completely leaves the baffle 9, the baffle 9 leaves the elastic extrusion column 10 under the drive of the elastic stretching rod 11, the elastic extrusion column 10 stretches under the self elastic action and pushes the push plate 7, so that the push plate 7 moves towards the direction away from the bolt 2, the push plate 7 drives the connecting sheets 31 to move through the insertion rod 6 and the supporting sheet 5, so that the two connecting sheets 31 are separated from each other, thereby disconnecting the alarm circuit, giving an alarm 4, facilitating a worker to find out the bolt 2 with potential safety hazard in advance and replace the bolt 2 in time, and avoiding safety accidents caused by the fracture of the bolt 2 to the whole device, the displacement for the trigger rod 71 to completely leave the baffle 9 is taken as a basis for judging that the bolt 2 is cracked to a certain degree, namely the potential safety hazard exists, and the displacement for the trigger rod 71 to completely leave the baffle 9 can be set according to the actual working conditions such as the diameter of the bolt 2 and the working environment of the bolt 2, so that the targeted setting of the potential safety hazard standard of the bolt 2 is realized.
Specifically, slot 101 is connected with connecting groove 102, and push pedal 7 activity inserts in connecting groove 102, and elastic extrusion post 10 fixed connection is on connecting groove 102 inner wall, connecting groove 102 is connected with spacing groove 103, baffle 9 activity stretches out spacing groove 103 and stretches into in connecting groove 102, spacing groove 103 blocks baffle 9, make baffle 9 unable to promote the lower motion at elastic extrusion post 10, keep baffle 9's stability, the tensile pole 11 fixed connection of elasticity is between baffle 9 and spacing groove 103, when trigger lever 71 leaves baffle 9, baffle 9 is to being close to spacing groove 103 direction motion under the tensile pole 11 effect of elasticity, baffle 9 leaves elastic extrusion post 10, elastic extrusion post 10 stretches under self elasticity effect and promotes push pedal 7.
Furthermore, the connecting groove 102 is connected with an outlet groove 104 communicated with the outside, the push plate 7 is fixedly connected with an extension rod 12, the extension rod 12 is movably inserted into the outlet groove 104, one end of the extension rod 12 inserted into the outlet groove 104 is fixedly connected with a fixing plate 13, the fixing plate 13 is fixedly connected with a plurality of opening plates 14 through elastic compression rods 15, the opening plates 14 are close to the fixing plate 13 under the extrusion of the inner wall of the outlet groove 104, so that the elastic compression rods 15 are compressed, when the elastic compression columns 10 push the push plate 7 to move towards the direction far away from the bolt 2, the push plate 7 drives the fixing plate 13 and the opening plates 14 to move together towards the direction far away from the bolt 2 until the fixing plate 13 and the opening plates 14 extend out of the outlet groove 104, and the elastic compression rods 15 expand under the extrusion without external force, so that the opening plates 14 are far away from the fixing plate 13;
all seted up mark groove 141 in arbitrary one division board 14, and the mark coating is deposited in the mark groove 141, the activity is provided with piston assembly among the mark groove 141, piston assembly blocks mark coating, prevent mark coating outflow, fixedly connected with stay cord 19 between piston assembly and fixed plate 13, and when fixed plate 13 and division board 14 kept away from each other, stay cord 19 drives piston assembly and stretches out mark groove 141, when fixed plate 13 and division board 14 stretch out export groove 104, elastic compression bar 15 stretches under the extrusion of no external force, make division board 14 keep away from fixed plate 13, stay cord 19 pulling piston assembly stretches out mark groove 141, piston assembly drives mark coating and leaves mark groove 141, mark coating flows out and dip-dyes on screw cap 1, make things convenient for the staff in time to discover bolt 2 that has the potential safety hazard.
Specifically, the opening of the marking groove 141 is located on the end face of the opening plate 14 far away from the extension rod 12, the piston assembly comprises a push block 16, a connecting rod 17 and a stop block 18 which are fixedly connected in sequence along the direction far away from the extension rod 12, the marking paint is stored between the push block 16 and the stop block 18, the stop block 18 blocks the marking paint to prevent the marking paint from flowing out in advance, the push block 16 is used for pushing the marking paint, two ends of a pull rope 19 are fixedly connected to the push block 16 and a fixing plate 13 respectively, the connection position of the push block 16 and the pull rope 19 is located between the connection position of the fixing plate 13 and the pull rope 19 and the extension rod 12, in the process that the opening plate 14 is far away from the fixing plate 13 under the driving of an elastic press rod 15, the pull rope 19 pulls the push block 16 to enable the push block 16 to move towards the direction close to the opening of the marking groove 141, the push block 16 drives the baffle 18 to move through the connecting rod 17 to enable the baffle 18 to leave the marking groove 141, and meanwhile, the push block 16 pushes the marking paint to flow out of the marking groove 141, the marking paint flows out and is dip-dyed on the screw cap 1, so that workers can find the bolt 2 with potential safety hazards in time.
Specifically, the expanding plate 14 is rotatably connected with the extension bar 12 through the rotating wheel 20, when the fixed plate 13 and the expanding plate 14 extend out of the outlet slot 104, the elastic pressure rod 15 expands under no external force, so that the expanding plate 14 deflects by taking the rotating wheel 20 as a circle center, one end of the expanding plate 14, which is far away from the extension bar 12, is far away from the fixed plate 13, the expanding plate 14 is rotatably connected with the extension bar 12 through the rotating wheel 20, and the extension bar 12 is convenient for the fixed plate 13 and the expanding plate 14 to be together pushed out of the outlet slot 104 by the extension bar 12.
Example (b):
The working principle is as follows: when one bolt 2 is broken, the broken bolt 2 drives the threaded cap 1 to move together, so that two connecting sheets 31 movably connected in the threaded cap 1 are separated from each other, an alarm circuit is disconnected, and the alarm 4 triggers an alarm due to the disconnection of the alarm circuit;
when the bolt 2 expands due to expansion crack, the bolt 2 expands to enable the two movably connected connecting pieces 31 to be away from each other, the connecting pieces 31 drive the insertion rod 6 to move in the direction away from the bolt 2 through the supporting piece 5, the insertion rod 6 moves to drive the push plate 7 to move away from the baffle 9 until the trigger rod 71 on the push plate 7 completely leaves the baffle 9, the baffle 9 leaves the elastic extrusion column 10 under the drive of the elastic stretching rod 11, the elastic extrusion column 10 stretches under the action of self elasticity and pushes the push plate 7, so that the push plate 7 moves in the direction away from the bolt 2, the push plate 7 drives the connecting pieces 31 to move through the insertion rod 6 and the supporting piece 5, so that the two connecting pieces 31 are separated from each other, the alarm circuit is disconnected, the alarm 4 gives an alarm, and workers can conveniently find out the bolt 2 with potential safety hazard in advance and replace the bolt 2 in time;
when the elastic extrusion post 10 pushes the push plate 7 to move towards the direction far away from the bolt 2, the push plate 7 drives the fixing plate 13, the opening plate 14 moves towards the direction far away from the bolt 2 together, until the fixing plate 13 and the opening plate 14 stretch out of the outlet slot 104, the elastic compression rod 15 stretches under extrusion without external force, so that the opening plate 14 is far away from the fixing plate 13, the pull rope 19 pulls the piston assembly to stretch out of the marking slot 141, the piston assembly drives the marking paint to leave the marking slot 141, the marking paint flows out and is dip-dyed on the screw cap 1, and workers can find the bolt 2 with potential safety hazards in time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bolt fracture early warning device, is including being no less than two screw cap (1), its characterized in that: still include signal detection line (3) that a plurality of both ends all set up connection piece (31), two signal detection lines (3) that the activity stretched into in same screw cap (1) pass through connection piece (31) swing joint, and are a plurality of form alarm circuit through signal detection line (3) between screw cap (1), and be provided with alarm (4) on the alarm circuit.
2. The bolt breakage warning device according to claim 1, characterized in that: a bolt (2) is movably inserted into any one of the screw caps (1), two connecting pieces (31) in the same screw cap (1) are symmetrically clamped on the bolt (2) and movably contacted, a supporting piece (5) is fixedly connected to any one of the connecting pieces (31), and an inserting rod (6) is fixedly connected to the supporting piece (5);
the inner wall of the threaded cap (1) is provided with a slot (101) for the insertion rod (6) to be movably inserted into, one end of the insertion rod (6) extending into the slot (101) is fixedly connected with a push plate (7), and an elastic supporting rod (8) is fixedly connected between the push plate (7) and the inner wall of the slot (101);
baffle (9), elastic extrusion post (10) have set gradually along being close to bolt (2) direction in push pedal (7), and elastic extrusion post (10) are blocked by baffle (9), baffle (9) the tensile pole of fixedly connected with elasticity (11), push pedal (7) fixedly connected with activity passes trigger lever (71) of baffle (9), and trigger lever (71) block baffle (9) and make baffle (9) can't leave elastic extrusion post (10).
3. The bolt breakage warning device according to claim 2, characterized in that: slot (101) are connected with connecting groove (102), and push pedal (7) activity insert in connecting groove (102), and elasticity extrusion post (10) fixed connection on connecting groove (102) inner wall, connecting groove (102) are connected with spacing groove (103), baffle (9) activity is stretched out spacing groove (103) and is stretched into in connecting groove (102), elasticity tensile pole (11) fixed connection is between baffle (9) and spacing groove (103).
4. The bolt breakage warning device according to claim 3, characterized in that: the connecting groove (102) is connected with an outlet groove (104) communicated with the outside, the push plate (7) is fixedly connected with an extension rod (12), the extension rod (12) is movably inserted into the outlet groove (104), one end, inserted into the outlet groove (104), of the extension rod (12) is fixedly connected with a fixing plate (13), and the fixing plate (13) is fixedly connected with a plurality of opening plates (14) through elastic compression rods (15);
any one open in board (14) all seted up mark groove (141), and deposited the mark coating in mark groove (141), the activity is provided with piston assembly in mark groove (141), fixedly connected with stay cord (19) between piston assembly and fixed plate (13), and when fixed plate (13) and open board (14) kept away from each other, stay cord (19) drive piston assembly and stretch out mark groove (141).
5. The bolt breakage warning device according to claim 4, characterized in that: the marking groove (141) opening is located the end face of opening board (14) and keeping away from extension bar (12), piston assembly includes ejector pad (16), connecting rod (17) and dog (18) along keeping away from extension bar (12) direction fixed connection in proper order, and mark coating deposits between ejector pad (16) and dog (18), stay cord (19) both ends are fixed connection respectively on ejector pad (16) and fixed plate (13), and ejector pad (16) and stay cord (19) junction are located fixed plate (13) and stay cord (19) junction, between extension bar (12).
6. The bolt breakage warning device according to claim 4, characterized in that: the opening plate (14) is rotatably connected with the extension rod (12) through a rotating wheel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120725576.XU CN215265051U (en) | 2021-04-09 | 2021-04-09 | Bolt fracture early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120725576.XU CN215265051U (en) | 2021-04-09 | 2021-04-09 | Bolt fracture early warning device |
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| Publication Number | Publication Date |
|---|---|
| CN215265051U true CN215265051U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120725576.XU Expired - Fee Related CN215265051U (en) | 2021-04-09 | 2021-04-09 | Bolt fracture early warning device |
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| CN (1) | CN215265051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115331398A (en) * | 2022-07-05 | 2022-11-11 | 中国长江电力股份有限公司 | Intelligent monitoring device and method for bolt of volute entrance door of hydroelectric generating set |
-
2021
- 2021-04-09 CN CN202120725576.XU patent/CN215265051U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115331398A (en) * | 2022-07-05 | 2022-11-11 | 中国长江电力股份有限公司 | Intelligent monitoring device and method for bolt of volute entrance door of hydroelectric generating set |
| CN115331398B (en) * | 2022-07-05 | 2023-05-16 | 中国长江电力股份有限公司 | Intelligent monitoring device and method for volute inlet bolt of hydroelectric generating set |
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Granted publication date: 20211221 |