CN114474837A - Load monitoring device and method for hot die forging press - Google Patents
Load monitoring device and method for hot die forging press Download PDFInfo
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- CN114474837A CN114474837A CN202111659576.5A CN202111659576A CN114474837A CN 114474837 A CN114474837 A CN 114474837A CN 202111659576 A CN202111659576 A CN 202111659576A CN 114474837 A CN114474837 A CN 114474837A
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- sealing
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- pressure
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- 238000005242 forging Methods 0.000 title claims abstract description 36
- 238000012806 monitoring device Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 19
- 239000003921 oil Substances 0.000 claims description 18
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 241001397809 Hakea leucoptera Species 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
- B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
Abstract
The invention discloses a load monitoring device of a hot die forging press and a monitoring method thereof, wherein the load monitoring device comprises a sliding block, a sealing cover and a high-pressure pipeline, a connecting rod is arranged at the top of the sliding block, a connecting rod pin bearing bush is connected onto the connecting rod, a connecting rod pin is arranged above the connecting rod pin bearing bush, a height sealing adjusting lever is arranged on the outer side of the connecting rod pin, a nut is arranged at one end of the height sealing adjusting lever, and a height sealing adjusting lead screw is arranged on one side of the height sealing adjusting lever. The beneficial effects are that: the device is novel in structure and convenient to operate, the piston moves downwards under pressure in the working process of the device by arranging the piston, the limiting plate, the high-pressure pipeline and the pressure gauge, so that a hydraulic rod between the piston and the limiting plate flows into the high-pressure pipeline, then the pressure value is detected and displayed through the pressure gauge, a worker can control the limit load in advance by watching the pressure gauge, further, the device can make the protective performance in advance, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of design and manufacture of hot die forging presses, in particular to a load monitoring device and a load monitoring method of a hot die forging press.
Background
The load generated during the manufacturing process of the hot die forging press is an important index for measuring the equipment operation and the product process state, and the hot die forging press load has the characteristics of impact property and real-time change.
However, the existing load monitoring device of the hot die forging press can only monitor the maximum load in the using process and cannot control the limit load in advance, so that the device is protected in advance, and the practicability of the device is reduced; secondly, the existing load monitoring device of the hot die forging press has the condition that the load of the hot die forging press exceeds the rated limit load of equipment in the using process, and the load monitoring device can not be unloaded, so that the equipment has serious consequences, and the safety of the device is reduced; in addition, the existing load monitoring device for the hot forging press can cause early deterioration and failure of many important components of equipment when overload occurs in the using process, and great economic and safety loss is caused, so that the load monitoring device for the hot forging press is urgently needed to solve the existing problems.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the load monitoring device of the hot die forging press is provided, and the problems that the conventional load monitoring device of the hot die forging press can only monitor the maximum load and cannot control the limit load in advance in the use process, the device is protected in advance, and the practicability of the device is reduced are solved; secondly, the existing load monitoring device of the hot die forging press has the condition that the load of the hot die forging press exceeds the rated limit load of equipment in the using process, and the load monitoring device can not be unloaded, so that the equipment has serious consequences, and the safety of the device is reduced; in addition, the existing load monitoring device of the hot die forging press has the problems of great economic and safety loss caused by early deterioration and failure of many important components of the equipment when overload occurs in the using process.
(II) technical scheme
The invention realizes the purpose through the following technical scheme:
a load monitoring device of a hot die forging press comprises a slide block, a sealing cover and a high-pressure pipeline, wherein a connecting rod is installed at the top of the slide block, a connecting rod pin bearing bush is connected onto the connecting rod, a connecting rod pin is installed above the connecting rod pin bearing bush, a sealing height adjusting lever is installed on the outer side of the connecting rod pin, a nut is installed at one end of the sealing height adjusting lever, a sealing height adjusting lead screw is arranged at one side of the sealing height adjusting lever, a dust cover is installed at the outer side of the sealing height adjusting lead screw, a driving gear is installed at one side of the slide block, a gear is connected to one side of the driving gear, an oil seal is installed at the outer side of the gear, a connecting key is installed in the middle of the upper portion of the gear, a supporting shaft is installed at the outer side of the connecting key, a spherical support is installed at the middle of the top end of the supporting shaft, a ball is installed in the spherical support, a driving pin is installed at the outer side of the ball, a ball cover is connected with the ball cover, the transition cover is installed in the back shaft outside, the shell is installed in the transition cover outside, install at the shell top the closing cap, be connected with the screw on the closing cap, install the slider bottom the closing cap, the stopper is installed to the closing cap top, the piston is installed at the stopper top, the complete set oil blanket is installed in the stopper outside, closing cap one side is provided with the high-pressure pipeline, install the manometer on the high-pressure pipeline, manometer one side is provided with pressure sensor, pressure sensor one side is provided with the overload protection valve.
Furthermore, the connecting rod pin bearing bush is connected with the sliding block through a bolt, one end of the height sealing adjusting lever is rotatably connected with the connecting rod pin bearing bush, and the height sealing adjusting lever has a certain eccentric amount.
By adopting the technical scheme, the load borne by the press can act on one end of the height sealing adjusting lever in an equal amount through the connecting rod, the sliding block, the connecting rod pin and the connecting rod pin bearing bush.
Furthermore, the other end of the height sealing adjusting lever is connected with the height sealing adjusting screw rod through the nut, the height sealing adjusting screw rod is welded with the ball body, and the ball body is rotatably connected with the spherical support.
By adopting the technical scheme, the press load which acts on one end of the height sealing adjusting lever in an equivalent manner acts on the spherical support and the supporting shaft through the nut, the height sealing adjusting screw rod and the sphere according to a certain reduction ratio.
Furthermore, the spherical support is connected with the support shaft through a bolt, the bottom of the support shaft is in lap joint with the piston, and a cavity is formed between the piston and the limiting block.
By adopting the technical scheme, the load with the reduced proportion acting on the upper end of the supporting shaft can act on the piston through the lower end of the supporting shaft in an equivalent manner, the acting force can enable the hydraulic oil sealed in the cavity between the piston and the limiting block to generate a certain pressure, and the pressure can be displayed through the pressure gauge and the sensor and be counted into the electric control system.
Further, the gland is connected with the shell through the screw, and the spherical gland is connected with the gland through a bolt.
By adopting the technical scheme, the pressing cover can be connected with the shell through the screw, so that the spherical pressing cover is limited for the sphere.
Further, the driving gear is meshed with the gear, and the gear is connected with the supporting shaft through a connecting key.
Through adopting above-mentioned technical scheme, can make the gear pass through drive gear drives the back shaft rotates.
Furthermore, the dust cover and one end are connected with the spherical gland screw, the other end of the dust cover is connected with the height-sealing adjusting lead screw through a bolt, and the dust cover has certain ductility.
By adopting the technical scheme, the joint of the height-sealing adjusting lead screw and the ball body can be protected by the dust cover.
Further, the shell with install between the gear the oil blanket, the oil blanket with the shell draw-in groove is connected.
By adopting the technical scheme, the shell and the gear can be sealed by the oil seal.
Further, the high-pressure pipeline is connected with the sliding block pipe hoop, the pressure gauge is connected with the high-pressure pipeline pipe hoop, the pressure sensor is connected with the high-pressure pipeline pipe hoop, and the overload protection valve is connected with the high-pressure pipeline pipe hoop.
By adopting the technical scheme, hydraulic oil enters the high-pressure pipeline and then passes through the pressure gauge to detect, the pressure sensor displays numerical values, meanwhile, the control system can send alarm information to remind an operator to process the numerical values, on the other hand, the hydraulic oil reaching the limit pressure can pass through the overload protection valve to unload and play a role in protecting equipment, and the operator can set protection numerical values through the overload protection valve.
The invention has the beneficial effects that:
1. in order to solve the problems that the existing load monitoring device of the hot die forging press can only monitor the maximum load and cannot control the limit load in advance, and the device is protected in advance, and the practicability of the device is reduced, the invention arranges the piston, the limiting plate, the high-pressure pipeline 25 and the pressure gauge, in the working process of the device, the piston moves downwards under the pressure, so that the hydraulic rod between the piston and the limiting plate flows into the high-pressure pipeline 25, then the pressure value is detected and displayed by the pressure gauge, and a worker can control the limit load in advance by watching the pressure gauge, so that the device can control the limit load in advance, and the practicability of the device is improved;
2. in order to solve the problems that the existing hot die forging press load monitoring device has the condition that the hot die forging press exceeds the rated limit load of equipment in the using process, and the equipment can not be unloaded, so that serious consequences can happen to the equipment, and the safety of the device is reduced.
Drawings
FIG. 1 is a front view of a load monitoring device for a hot die forging press according to the present invention;
fig. 2 is an enlarged view of a portion a of the load monitor apparatus for a hot forging press according to the present invention.
The reference numerals are explained below:
1. a slider; 2. a connecting rod pin bushing; 3. a link pin; 4. a height-sealing adjusting lever; 5. a connecting rod; 6. a height sealing adjusting screw rod; 7. a nut; 8. a drive gear; 9. sealing the cover; 10. a limiting block; 11. a set of oil seal; 12. a gear; 13. oil sealing; 14. a connecting bond; 15. a screw; 16. a dust cover; 17. a spherical gland; 18. a gland; 19. a drive pin; 20. a transition sleeve; 21. a spherical support; 22. a housing; 23. a support shaft; 24. a piston; 25. a high pressure line; 26. a pressure gauge; 27. a pressure sensor; 28. an overload protection valve; 29. a sphere.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, a load monitoring device for a hot die forging press comprises a slider 1, a sealing cap 9 and a high-pressure pipeline 25, wherein a connecting rod 5 is installed on the top of the slider 1, a connecting rod pin bush 2 is connected to the connecting rod 5, the connecting rod pin bush 2 can support a connecting rod pin 3, a connecting rod pin 3 is installed above the connecting rod pin bush 2, the connecting rod pin 3 can be connected with a height-sealing adjusting lever 4, a height-sealing adjusting lever 4 is installed outside the connecting rod pin 3, a nut 7 is installed at one end of the height-sealing adjusting lever 4, the nut 7 can be connected with the height-sealing adjusting lever 4 and the height-sealing adjusting screw 6, a height-sealing adjusting screw 6 is installed on one side of the height-sealing adjusting lever 4, a dust cover 16 is installed outside the height-sealing adjusting screw 6, and the dust cover 16 protects the joint of the height-sealing adjusting screw 6 and the ball 29, the utility model discloses a slide block, including slider 1, drive gear 8, gear 12, connecting key 14, oil blanket 13, shell 22, gear 12, bearing 21, ball 29 is installed to bearing 21, ball 29 is installed to ball 29 in the ball 21, the spheroid 29 can drive the height-adjusting lead screw 6 carries out work, drive round pin 19 is installed in the spheroid 29 outside, the spheroid 29 top outside is connected with ball-type gland 17, ball-type gland 17 can carry on spacingly to spheroid 29, the transition cover 20 is installed in the back shaft 23 outside, shell 22 is installed in the transition cover 20 outside, shell 22 top is installed the closing cap 9, be connected with screw 15 on the closing cap 9, screw 15 can be to closing cap 9 is fixed, install slider 1 bottom closing cap 9, stopper 10 is installed to closing cap 9 top, piston 24 is installed at stopper 10 top, hydraulic oil can be pushed down by piston 24, complete set of oil blanket 11 is installed in the stopper 10 outside, complete set of oil blanket 11 can be respectively right piston 24 the limiting plate with the junction of slider 1 seals, 9 one side of closing cap is provided with high-pressure line 25, high-pressure line 25 can carry hydraulic oil, install manometer 26 on the high-pressure line 25, manometer 26 can show pressure value, manometer 26 one side is provided with pressure sensor 27, pressure sensor 27 can detect pressure in the high-pressure line 25, pressure sensor 27 one side is provided with overload protection valve 28, and the hydraulic oil that reaches ultimate pressure passes through overload protection valve 28 off-load and play the effect of protective apparatus, and the staff can pass through overload protection valve 28 sets for protection value.
In this embodiment, the connecting rod pin bearing bush 2 is bolted to the sliding block 1, one end of the height-sealing adjusting lever 4 is rotatably connected to the connecting rod pin bearing bush 2, and the height-sealing adjusting lever 4 has a certain eccentric amount, so that a load borne by the press machine can act on one end of the height-sealing adjusting lever 4 in an equivalent manner through the connecting rod 5, the sliding block 1, the connecting rod pin 3 and the connecting rod pin bearing bush 2.
In this embodiment, the other end of the height-sealing adjusting lever 4 is connected to the height-sealing adjusting screw 6 through the nut 7, the height-sealing adjusting screw 6 is welded to the sphere 29, the sphere 29 is rotatably connected to the spherical support 21, and the press load acting on one end of the height-sealing adjusting lever 4 in equal amount acts on the spherical support 21 and the support shaft 23 through the nut 7, the height-sealing adjusting screw 6 and the sphere 29 according to a certain reduction ratio.
In this embodiment, the spherical support 21 is connected with the support shaft 23 through a bolt, the bottom of the support shaft 23 is overlapped with the piston 24, a cavity is formed between the piston 24 and the limit block 10, so that the load with a reduced proportion acting on the upper end of the support shaft 23 acts on the piston 24 through the lower end of the support shaft 23 in an equal amount, the acting force can enable hydraulic oil sealed in the cavity between the piston 24 and the limit block 10 to generate a certain pressure, and the pressure can be displayed through a pressure gauge 26 and a sensor and can be counted into an electric control system.
In this embodiment, the gland 18 and the housing 22 are connected by the screw 15, the spherical gland 18 is bolted to the gland 18, the gland 18 and the housing 22 can be connected by the screw 15, and the spherical gland 18 limits the sphere 29.
In this embodiment, the driving gear 8 is engaged with the gear 12, and the gear 12 is connected to the supporting shaft 23 through a connecting key 14, so that the gear 12 can drive the supporting shaft 23 to rotate through the driving gear 8.
In this embodiment, the dust cover 16 is bolted to the spherical gland 18 at one end, and the height-adjusting screw 6 is bolted to the other end of the dust cover 16, and the dust cover 16 has a certain ductility, so that the joint between the height-adjusting screw 6 and the sphere 29 can be protected by the dust cover 16.
In this embodiment, the oil seal 13 is installed between the housing 22 and the gear 12, the oil seal 13 is connected with the clamping groove of the housing 22, and the housing 22 and the gear 12 can be sealed by the oil seal 13.
In this embodiment, high-pressure line 25 with 1 ferrule on the slider is connected, manometer 26 with 25 ferrules on high-pressure line are connected, pressure sensor 27 with 25 ferrules on high-pressure line are connected, overload protection valve 28 with 25 ferrules on high-pressure line are connected, and hydraulic oil enters into can detect through manometer 26 behind the high-pressure line 25 in to show numerical value through pressure sensor 27, can send alarm information through control system simultaneously and remind operating personnel to handle, and on the other hand can make the hydraulic oil that reaches ultimate pressure pass through overload protection valve 28 off-load and play the effect of protection equipment, and the staff can pass through overload protection valve 28 sets for protection numerical value.
A monitoring method of a load monitoring device of a hot die forging press comprises the following steps: in use, the load born by the press acts on one end of the height-sealing adjusting lever 4 through the connecting rod 5, the slide block 1, the connecting rod pin 3 and the connecting rod pin bush 2 in equal quantity, then the press load acting on one end of the height-sealing adjusting lever 4 in equal quantity acts on the spherical support 21 and the support shaft 23 through the nut 7, the height-sealing adjusting screw 6 and the sphere 29 in a certain reduction ratio, and the load acting on the upper end of the support shaft 23 in reduced proportion acts on the piston 24 of the load monitoring and protecting device in equal quantity through the lower end of the support shaft 23, the acting force can enable the hydraulic oil sealed in the cavity between the piston 24 and the limit block 10 to generate a certain pressure, and the pressure can be displayed through the pressure gauge 26 and the pressure sensor 27 and be measured into an electric control system, when the actual load of the equipment exceeds the set allowable limit value, the equipment load acts on the piston 24 through the system, at this time, the piston 24 moves downwards, so that the pressure intensity of the hydraulic oil sealed in the cavity reaches the limit value, the limit pressure intensity is displayed through the pressure gauge 26 and the pressure sensor 27 and gives an alarm message through the control system to remind an operator to process, on the other hand, the hydraulic oil reaching the limit pressure intensity is unloaded through the overload protection valve 28 to play a role of protecting the equipment, the pressure limit value of the hydraulic oil in the sealed cavity and the set value of the overload protection valve 28 in the system can be set by an operator according to the use requirement, by adopting the technical scheme, after the actual load of the equipment reaches the set limit value of the monitoring cylinder, the pressure sensor 27 gives an alarm message through the electronic control system, the system can remind workers in time, and simultaneously control the overload protection valve 28 to perform unloading action, so that the equipment is prevented from being overloaded, and the safety of the device is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a hot die forging press load monitoring device which characterized in that: the sealing device comprises a sliding block (1), a sealing cover (9) and a high-pressure pipeline (25), wherein a connecting rod (5) is installed at the top of the sliding block (1), a connecting rod pin bearing bush (2) is connected onto the connecting rod (5), a connecting rod pin (3) is installed above the connecting rod pin bearing bush (2), a sealing height adjusting lever (4) is installed on the outer side of the connecting rod pin (3), a nut (7) is installed on one end of the sealing height adjusting lever (4), a sealing height adjusting lead screw (6) is arranged on one side of the sealing height adjusting lever (4), a dust cover (16) is installed on the outer side of the sealing height adjusting lead screw (6), a driving gear (8) is installed on one side of the sliding block (1), a gear (12) is connected to one side of the driving gear (8), an oil seal (13) is installed on the outer side of the gear (12), a connecting key (14) is installed in the middle of the upper side of the gear (12), a supporting shaft (23) is installed on the outer side of the connecting key (14), the ball-shaped bearing (21) is installed at the middle of the top end of the supporting shaft (23), a ball body (29) is installed in the ball-shaped bearing (21), a driving pin (19) is installed on the outer side of the ball body (29), a ball-shaped gland (17) is connected to the outer side of the top of the ball body (29), a transition sleeve (20) is installed on the outer side of the supporting shaft (23), a shell (22) is installed on the outer side of the transition sleeve (20), the sealing cover (9) is installed at the top of the shell (22), a screw (15) is connected to the sealing cover (9), the sealing cover (9) is installed at the bottom of the sliding block (1), a limiting block (10) is installed above the sealing cover (9), a piston (24) is installed at the top of the limiting block (10), a complete set of oil seals (11) is installed on the outer side of the limiting block (10), and the high-pressure pipeline (25) is arranged on one side of the sealing cover (9), install manometer (26) on high-pressure pipeline (25), manometer (26) one side is provided with pressure sensor (27), pressure sensor (27) one side is provided with overload protection valve (28).
2. A load monitoring device for a hot die forging press according to claim 1, wherein: the connecting rod pin bearing bush (2) is connected with the sliding block (1) through a bolt, one end of the height sealing adjusting lever (4) is rotatably connected with the connecting rod pin bearing bush (2), and the height sealing adjusting lever (4) has a certain eccentric amount.
3. A load monitoring device for a hot die forging press according to claim 1, wherein: the other end of the height sealing adjusting lever (4) is connected with the height sealing adjusting screw rod (6) through the nut (7), the height sealing adjusting screw rod (6) is welded with the sphere (29), and the sphere (29) is rotatably connected with the spherical support (21).
4. A load monitoring device for a hot die forging press according to claim 1, wherein: the spherical support (21) is connected with the support shaft (23) through bolts, the bottom of the support shaft (23) is in lap joint with the piston (24), and a cavity is formed between the piston (24) and the limiting block (10).
5. A load monitoring device for a hot die forging press according to claim 1, wherein: the gland (18) is connected with the shell (22) through the screw (15), and the spherical gland (18) is in bolt connection with the gland (18).
6. A load monitoring device for a hot die forging press according to claim 1, wherein: the driving gear (8) is meshed with the gear (12), and the gear (12) is connected with the supporting shaft (23) through a connecting key (14).
7. A load monitoring device for a hot die forging press according to claim 1, wherein: the dustproof cover (16) is in bolted connection with one end of the spherical gland (18), and the other end of the dustproof cover (16) is in bolted connection with the height-sealing adjusting screw rod (6).
8. A load monitoring device for a hot die forging press according to claim 1, wherein: the shell (22) with install between gear (12) oil blanket (13), oil blanket (13) with shell (22) draw-in groove is connected.
9. A load monitoring device for a hot die forging press according to claim 1, wherein: high-pressure line (25) with slider (1) ferrule is connected, manometer (26) with high-pressure line (25) ferrule is connected, pressure sensor (27) with high-pressure line (25) ferrule is connected, overload protection valve (28) with high-pressure line (25) ferrule is connected.
10. A monitoring method of a load monitoring device of a hot forging press, which is applied to the load monitoring device of the hot forging press as claimed in any one of claims 1 to 9, characterized in that: the load born by the press machine acts on one end of the height-sealing adjusting lever (4) in an equivalent way through the connecting rod (5), the sliding block (1), the connecting rod pin (3) and the connecting rod pin bearing bush (2), then the press machine load acting on one end of the height-sealing adjusting lever (4) in an equivalent way acts on the spherical support (21) and the support shaft (23) through the nut (7), the height-sealing adjusting screw rod (6) and the ball body (29) in a certain reduction proportion, the load with the reduced proportion at the upper end of the support shaft (23) acts on the piston (24) of the load monitoring and protecting device in an equivalent way through the lower end of the support shaft (23), the acting force can enable the hydraulic oil sealed in a cavity between the piston (24) and the limiting block (10) to generate certain pressure intensity, and the pressure intensity can be generated through the pressure gauge (26), And the pressure sensor (27) displays and counts an electric control system, when the actual load of the equipment exceeds a set allowable limit value, the load of the equipment acts on the piston (24) through the system, at the moment, the piston (24) moves downwards, the pressure intensity of the hydraulic oil sealed in the cavity reaches the limit value, the pressure intensity limit value of the hydraulic oil in the sealed cavity and the set value of the overload protection valve (28) in the system can be set by an operator according to the use requirement, when the actual load of the equipment reaches the set limit value of the monitoring oil cylinder, the pressure sensor (27) sends alarm information through an electric control system, and the overload protection valve (28) is controlled to carry out unloading action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111659576.5A CN114474837B (en) | 2021-12-30 | 2021-12-30 | Hot die forging press load monitoring device and monitoring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111659576.5A CN114474837B (en) | 2021-12-30 | 2021-12-30 | Hot die forging press load monitoring device and monitoring method thereof |
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| CN114474837A true CN114474837A (en) | 2022-05-13 |
| CN114474837B CN114474837B (en) | 2024-02-09 |
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