CN112831327A - Contact type limiting device of coke pusher - Google Patents
Contact type limiting device of coke pusher Download PDFInfo
- Publication number
- CN112831327A CN112831327A CN202011571341.6A CN202011571341A CN112831327A CN 112831327 A CN112831327 A CN 112831327A CN 202011571341 A CN202011571341 A CN 202011571341A CN 112831327 A CN112831327 A CN 112831327A
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- Prior art keywords
- fixedly connected
- coke
- rod
- baffle
- stop device
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- 239000000571 coke Substances 0.000 title claims abstract description 99
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
- C10B41/02—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke for discharging coke
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a contact type limiting device of a coke pushing trolley, which comprises a coke pushing rod, a base and a coke oven, wherein one side of the coke pushing rod is fixedly connected with a first electric hydraulic rod, the upper end of the base is fixedly connected with a supporting plate, the upper end of the supporting plate is fixedly connected with a second electric hydraulic rod, one side of the coke pushing rod is provided with a limiting component, one side of the coke oven is fixedly connected with a protective cover, a limiting switch is arranged inside the protective cover, an ejector rod and the limiting switch are arranged correspondingly, and an L-shaped limiting rod is fixedly connected to the outer wall of the coke pushing rod. The coke pushing rod can be lifted, so that the maintenance is convenient, and the use is very convenient.
Description
Technical Field
The invention belongs to the technical field of coking equipment, and particularly relates to a contact type limiting device of a coke pusher.
Background
The coking is that coal is added into a coke oven through a side coal charging car at one side of the coke oven, coke is produced through high-temperature dry distillation for a period of time, the coke is pushed out through a coke pushing car, and then the coke oven carries out the next coal charging operation. In the process of pushing coke, the stroke of the pushing ram is often controlled to be very accurate, otherwise, many production accidents are caused, for example, if the stroke of the pushing ram is not well controlled and is not limited, the pushing ram is likely to be separated from a transmission mechanism and cannot normally run, so that the pushing ram stays in the coke oven for a long time and is burnt out, a furnace wall can be damaged seriously, even the coke oven pushes over the coke-carbon equipment on the other side of the coke oven, unforeseen production accidents are caused, the normal production of the coke oven is influenced, and the production benefit of a coke-oven plant is reduced, so that the accurate control of the stroke of the pushing ram is a very important work in the process of pushing coke.
The stroke control of the existing coke pusher is generally controlled by a limiting device arranged on the outer side of the coke pusher, but the existing limiting device is a sensitive instrument, the coke pusher works in the environment with high temperature and large dust for a long time, the problem that the limiting device cannot break down is difficult to avoid, once the fault occurs, the stroke of a coke pushing rod cannot be controlled, and the result can be imagined;
the existing limiting device is generally provided with a limiting switch and used for controlling the stroke of a coke pusher, the limiting switch on the coke pusher is used for limiting the coke pusher, but the existing limiting device is easy to injure the limiting switch when touching the limiting switch, so that the limiting switch is out of order, the coke pusher cannot be limited, the coke pusher is very inconvenient to use, the existing coke pusher is generally huge in size, once the limiting device is damaged or needed, the maintenance is very troublesome, maintenance personnel are required to maintain at high altitude, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a contact type limiting device of a coke pusher, which is provided with a limiting switch for controlling the stroke of the coke pusher, wherein the limiting switch is positioned in a protective cover, so that the influence of high temperature and dust on the limiting switch is avoided, and the limit component with a buffer function is arranged, so that the damage to the limiting switch is reduced, a coke pushing rod can be lifted, and the problem in the background technology is solved.
In order to achieve the purpose, the invention adopts the following technical scheme: a coke pusher contact type limiting device comprises a coke pushing rod, a base and a coke oven, wherein one side of the coke pushing rod is fixedly connected with a first electric hydraulic rod, the other end of the coke pushing rod is fixedly connected with a push plate, the lower end of the coke pushing rod is fixedly connected with a sliding block, the upper end of the base is fixedly connected with a supporting plate, the upper end of the supporting plate is fixedly connected with a second electric hydraulic rod, one end of a piston rod of the second electric hydraulic rod is fixedly connected with a fixed plate, the upper end of the fixed plate is fixedly connected with a track, a sliding groove is formed in the track, the sliding block is slidably connected in the sliding groove, one side of the coke pushing rod is provided with a limiting component, one side of the coke oven is fixedly connected with a protective cover, one side of the protective cover is provided with a second opening, the protective cover is internally provided with a limiting, the one end fixedly connected with second baffle of telescopic link, the outside cover of telescopic link is equipped with second compression spring, one side fixedly connected with ejector pin of second baffle, the ejector pin is the corresponding setting with limit switch, fixedly connected with L shape gag lever post on the outer wall of pushing ram.
Preferably, one side of the coke oven is provided with a first opening, and the push plate and the first opening are correspondingly arranged.
Preferably, the lower ends of the tracks on the coke pushing rods are provided with two groups, and the lower ends of the two groups of tracks are provided with two groups of second electric hydraulic rods.
Preferably, the sliding blocks are provided with four groups at the lower end of the coke pushing rod, the four groups of sliding blocks are arranged in a pairwise corresponding manner, and the sliding blocks arranged in a pairwise corresponding manner are respectively positioned in the two groups of tracks.
Preferably, the lower extreme of sliding block is provided with the ball, the bottom subsides of ball are applied in the interior bottom of spout.
Preferably, spacing subassembly and protection casing all are the symmetry and are provided with two sets ofly, two sets of spacing subassembly is located the both sides of pushing away the burnt pole respectively, and is two sets of the protection casing all is provided with high temperature resistance protection casing.
Preferably, the limiting component comprises a connecting plate, the connecting plate fixing rod is connected to the side wall of the coke pushing rod, one side of the connecting plate is fixedly connected with an outer barrel, the inner sliding connection of the outer barrel is provided with an inner barrel, a first baffle is fixedly connected to one end of the inner barrel, a top plate is fixedly connected to the other end of the inner barrel, the first baffle is located inside the outer barrel, a first compression spring is fixedly connected to one side of the first baffle, and the other end of the first compression spring is fixedly connected to the inner wall of the outer barrel.
Preferably, the top plate and the second opening are correspondingly arranged, and the second opening is used for penetrating through the top plate.
Preferably, the L-shaped limiting rods are provided with four groups, four groups of collision pads are arranged at one ends of the L-shaped limiting rods, and the collision pads are high-temperature-resistant collision pads.
The invention has the technical effects and advantages that: compared with the prior art, the contact type limiting device of the coke pusher has the following advantages:
1. the invention has the design that one side of the coke pushing rod is provided with a limit component, one side of the coke oven is fixedly connected with a protective cover, one side of the protective cover is provided with a second opening, the inside of the protective cover is provided with a limit switch, the inner wall of the protective cover is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a second baffle plate, the outside of the telescopic rod is sleeved with a second compression spring, one side of the second baffle plate is fixedly connected with an ejector rod, the limit switch is arranged in the protective cover, thereby avoiding the influence of high temperature and dust on the limit switch, when the pushing ram works, the limit component is driven to touch the second baffle plate, the second baffle plate is used for driving the ejector rod to touch the limit switch for limiting the pushing ram, when the pushing ram drives the limit component to leave, under the action of the second compression spring and the telescopic rod, the second baffle automatically resets, so that the use is very convenient;
2. the push rod is connected to the side wall of the coke pushing rod through a connecting plate fixing rod, one side of the connecting plate is fixedly connected with an outer cylinder, the inner cylinder is connected to the inner part of the outer cylinder in a sliding mode, one end of the inner cylinder is fixedly connected with a first baffle, the other end of the inner cylinder is fixedly connected with a top plate, the first baffle is located in the outer cylinder, one side of the first baffle is fixedly connected with a first compression spring, the other end of the first compression spring is fixedly connected to the inner wall of the outer cylinder, the top plate and a second opening are arranged correspondingly, the second opening is used for penetrating through the top plate, when the top plate penetrates through the second opening and contacts with the second baffle, the first compression spring is arranged to reduce the impact force of the top plate on the second baffle, so that the push rod only slightly touches the limit switch;
3. according to the invention, the outer wall of the coke pushing rod is fixedly connected with the L-shaped limiting rods, the L-shaped limiting rods are provided with four groups, one ends of the four groups of L-shaped limiting rods are provided with the anti-collision pads, and the anti-collision pads are designed to be high-temperature resistant anti-collision pads;
4. according to the invention, the upper end of the base is fixedly connected with the supporting plate, the upper end of the supporting plate is fixedly connected with the second electric hydraulic rod, one end of the piston rod of the second electric hydraulic rod is fixedly connected with the fixing plate, the upper end of the fixing plate is fixedly connected with the track, the inside of the track is provided with the chute, the lower end of the pushing ram is fixedly connected with the sliding block, and the sliding block is connected with the inside of the chute in a sliding manner.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional side view of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic cross-sectional view of an over-limit assembly of the present invention;
fig. 6 is a schematic sectional view of the shield according to the present invention.
In the figure: 1. a coke pushing rod; 2. a base; 3. a coke oven; 4. a first electro-hydraulic lever; 5. pushing the plate; 6. a first opening; 7. a slider; 8. a ball bearing; 9. a support plate; 10. a second electro-hydraulic ram; 11. a fixing plate; 12. a track; 13. a chute; 14. a limiting component; 15. a connecting plate; 16. an outer cylinder; 17. an inner barrel; 18. a first baffle plate; 19. a first compression spring; 20. a top plate; 21. a protective cover; 22. a second opening; 23. a limit switch; 24. a telescopic rod; 25. a second compression spring; 26. a second baffle; 27. a top rod; 28. an L-shaped limiting rod; 29. an anti-collision cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a coke pusher contact type limiting device shown in figures 1-6, which comprises a coke pushing rod 1, a base 2 and a coke oven 3, wherein one side of the coke pushing rod 1 is fixedly connected with a first electric hydraulic rod 4, the other end of the coke pushing rod 1 is fixedly connected with a push plate 5, the lower end of the coke pushing rod 1 is fixedly connected with a sliding block 7, the upper end of the base 2 is fixedly connected with a supporting plate 9, the upper end of the supporting plate 9 is fixedly connected with a second electric hydraulic rod 10, one end of a piston rod of the second electric hydraulic rod 10 is fixedly connected with a fixing plate 11, the upper end of the fixing plate 11 is fixedly connected with a track 12, a sliding groove 13 is formed in the track 12, the sliding block 7 is slidably connected in the sliding groove 13, and the second electric hydraulic rod 10 can drive the coke pushing rod 1 to move up and down;
a limit component 14 is arranged on one side of the pushing ram 1, a protective cover 21 is fixedly connected to one side of the coke oven 3, a second opening 22 is formed in one side of the protective cover 21, a limit switch 23 is arranged inside the protective cover 21, an expansion link 24 is fixedly connected to the inner wall of the protective cover 21, a second baffle 26 is fixedly connected to one end of the expansion link 24, a second compression spring 25 is sleeved outside the expansion link 24, an ejector rod 27 is fixedly connected to one side of the second baffle 26, the ejector rod 27 and the limit switch 23 are arranged correspondingly, an L-shaped limit ram 28 is fixedly connected to the outer wall of the pushing ram 1, and the L-shaped limit ram 28 is also used for limiting the pushing ram 1;
wherein limit switch 23 sets up to wireless switch, embeds wireless radio frequency emission module, and limit switch 23 passes through wireless signal connection PLC controller, and PLC controller, wireless radio frequency emission module are the general equipment or part among the prior art, and the flexible of first electronic hydraulic stem 4 is controlled to the PLC controller, and PLC controller, wireless radio frequency emission module are not marked in the picture.
Furthermore, a first opening 6 is arranged on one side of the coke oven 3, and the push plate 5 and the first opening 6 are correspondingly arranged, so that the push plate 5 is driven by the push rod 1 to enter the coke oven 3 for pushing.
Furthermore, two sets of rails 12 are arranged at the lower end of the coke pushing rod 1, and two sets of second electric hydraulic rods 10 are arranged at the lower ends of the two sets of rails 12.
Furthermore, four sets of sliding blocks 7 are arranged at the lower end of the coke pushing rod 1, each two sets of sliding blocks 7 are arranged correspondingly, and the sliding blocks 7 arranged correspondingly are respectively positioned in the two sets of tracks 12.
Further, the lower extreme of sliding block 7 is provided with ball 8, and the bottom subsides of ball 8 are applied in the interior bottom of spout 13, and the first electro-hydraulic stem 4 of being convenient for removes pushing away burnt pole 1.
Further, limit component 14 and protection casing 21 all are the symmetry and are provided with two sets ofly, and two sets of limit component 14 are located the both sides of pushing away burnt pole 1 respectively for utilize limit component 14 to touch limit switch 23, two sets of protection casings 21 all are provided with high temperature resistant protection casing, avoid limit switch 23 to receive the influence of high temperature and dust.
Further, limit component 14 includes connecting plate 15, connecting plate 15 dead lever is connected on the lateral wall of pushing ram 1, one side fixedly connected with urceolus 16 of connecting plate 15, the inside sliding connection of urceolus 16 has inner tube 17, the first baffle 18 of one end fixedly connected with of inner tube 17, and the other end fixedly connected with roof 20 of inner tube 17, first baffle 18 is located the inside of urceolus 16, the first compression spring 19 of one side fixedly connected with of first baffle 18, and the other end fixedly connected with of first compression spring 19 is on the inner wall of urceolus 16, when roof 20 runs through second opening 22 and the contact of second baffle 26, through being provided with first compression spring 19, be used for reducing the impact force of roof 20 to second baffle 26, make ejector pin 27 only slight touch limit switch 23, avoid because of the damage that the impact force caused to limit switch 23.
Further, the top plate 20 is disposed corresponding to the second opening 22, and the second opening 22 is used for the top plate 20 to penetrate through.
Furthermore, four sets of L-shaped limiting rods 28 are arranged, one ends of the four sets of L-shaped limiting rods 28 are provided with crash pads 29, the crash pads 29 are high-temperature-resistant crash pads, when the limit switch 23 is out of order and the coke pushing rod 1 cannot be controlled to move towards the coke oven 3, one end of the L-shaped limiting rod 28 can abut against one side of the coke oven 3, the irretrievable loss of the coke pushing rod 1 to the coke oven 3 is avoided, and the damage cost is reduced.
The working principle is as follows: when the invention is used, the limit component 14 is arranged on one side of the coke pushing rod 1, the protective cover 21 is fixedly connected on one side of the coke oven 3, the second opening 22 is arranged on one side of the protective cover 21, the limit switch 23 is arranged inside the protective cover 21, the telescopic rod 24 is fixedly connected on the inner wall of the protective cover 21, one end of the telescopic rod 24 is fixedly connected with the second baffle 26, the second compression spring 25 is sleeved outside the telescopic rod 24, the ejector rod 27 is fixedly connected on one side of the second baffle 26, the ejector rod 27 and the limit switch 23 are correspondingly arranged, the limit component 14 and the protective cover 21 are symmetrically arranged in two groups, the two groups of limit components 14 are respectively positioned on two sides of the coke pushing rod 1, the two groups of protective covers 21 are respectively provided with high-temperature-resistant protective covers, the limit switch 23 is arranged inside the protective cover 21, the influence of high temperature and dust on the limit switch 23 is avoided, the limit component 14 is, the second baffle 26 is used for driving the ejector rod 27 to touch the limit switch 23 for limiting the pushing ram 1, and when the pushing ram 1 drives the limit component 14 to leave, the second baffle 26 automatically resets under the action of the second compression spring 25 and the telescopic rod 24;
the fixed rod is connected with the side wall of the coke pushing rod 1 through a connecting plate 15, one side of the connecting plate 15 is fixedly connected with an outer cylinder 16, the inner part of the outer cylinder 16 is connected with an inner cylinder 17 in a sliding way, one end of the inner cylinder 17 is fixedly connected with a first baffle 18, and the other end of the inner cylinder 17 is fixedly connected with a top plate 20, a first baffle plate 18 is positioned inside the outer cylinder 16, one side of the first baffle plate 18 is fixedly connected with a first compression spring 19, and the other end of the first compression spring 19 is fixedly connected to the inner wall of the outer cylinder 16, the top plate 20 is arranged corresponding to the second opening 22, the second opening 22 is used for the top plate 20 to penetrate through, when the top plate 20 is brought into contact with the second shutter 26 through the second opening 22, by being provided with the first compression spring 19, the impact force of the top plate 20 on the second baffle 26 is reduced, so that the ejector rod 27 only slightly touches the limit switch 23, and the damage to the limit switch 23 caused by the impact force is avoided;
the L-shaped limiting rods 28 are fixedly connected to the outer wall of the coke pushing rod 1, four groups of L-shaped limiting rods 28 are arranged, one ends of the four groups of L-shaped limiting rods 28 are respectively provided with the anti-collision pad 29, and the anti-collision pads 29 are high-temperature resistant anti-collision pads, so that when the coke pushing rod 1 cannot be controlled to move towards the coke oven 3 due to failure of the limiting switch 23, one end of the L-shaped limiting rod 28 can be abutted against one side of the coke oven 3, irretrievable loss of the coke pushing rod 1 to the coke oven 3 is avoided, and the damage cost is reduced;
through base 2's upper end fixedly connected with backup pad 9, backup pad 9's upper end fixedly connected with second electric hydraulic stem 10, the one end fixedly connected with fixed plate 11 of second electric hydraulic stem 10 piston rod, the upper end fixedly connected with track 12 of fixed plate 11, spout 13 has been seted up to track 12's inside, the lower extreme fixedly connected with sliding block 7 of pushing ram 1, sliding block 7 sliding connection is in the inside of spout 13, utilize second electric hydraulic stem 10 can drive pushing ram 1 and reciprocate, in case other spare parts on pushing ram 1 and the pushing ram 1 damage, be convenient for maintain it.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a coke pusher contact stop device, includes pushing away burnt pole (1), base (2) and coke oven (3), its characterized in that: one side of the coke pushing rod (1) is fixedly connected with a first electric hydraulic rod (4), the other end of the coke pushing rod (1) is fixedly connected with a push plate (5), the lower end of the coke pushing rod (1) is fixedly connected with a sliding block (7), the upper end of the base (2) is fixedly connected with a supporting plate (9), the upper end of the supporting plate (9) is fixedly connected with a second electric hydraulic rod (10), one end of a piston rod of the second electric hydraulic rod (10) is fixedly connected with a fixing plate (11), the upper end of the fixing plate (11) is fixedly connected with a track (12), a sliding groove (13) is formed in the track (12), the sliding block (7) is slidably connected in the sliding groove (13), one side of the coke pushing rod (1) is provided with a limiting component (14), one side of the coke oven (3) is fixedly connected with a protective cover (21, second opening (22) have been seted up to one side of protection casing (21), the inside of protection casing (21) is provided with limit switch (23), fixedly connected with telescopic link (24) on the inner wall of protection casing (21), the one end fixedly connected with second baffle (26) of telescopic link (24), the outside cover of telescopic link (24) is equipped with second compression spring (25), one side fixedly connected with ejector pin (27) of second baffle (26), ejector pin (27) are corresponding the setting with limit switch (23), fixedly connected with L shape gag lever post (28) on the outer wall of pushing away burnt pole (1).
2. The coke pusher contact stop device of claim 1, wherein: a first opening (6) is formed in one side of the coke oven (3), and the push plate (5) is arranged corresponding to the first opening (6).
3. The coke pusher contact stop device of claim 1, wherein: the lower end of the coke pushing rod (1) of the tracks (12) is provided with two groups, and the lower ends of the two groups of tracks (12) are provided with two groups of second electric hydraulic rods (10).
4. The coke pusher contact stop device of claim 3, wherein: sliding block (7) are provided with four groups in the lower extreme of pushing away burnt pole (1), four groups sliding block (7) are two liang of correspondences and set up, and two liang of correspondences sliding block (7) that set up are located the inside of two sets of tracks (12) respectively.
5. The coke pusher contact stop device of claim 1, wherein: the lower extreme of sliding block (7) is provided with ball (8), the bottom subsides of ball (8) are applied in the interior bottom of spout (13).
6. The coke pusher contact stop device of claim 1, wherein: spacing subassembly (14) and protection casing (21) all are the symmetry and are provided with two sets ofly, two sets of spacing subassembly (14) are located the both sides of pushing away burnt pole (1) respectively, and are two sets of protection casing (21) all are provided with high temperature resistant protection casing.
7. The coke pusher contact stop device of claim 1, wherein: spacing subassembly (14) include connecting plate (15), connecting plate (15) dead lever is connected on the lateral wall of pushing away burnt pole (1), one side fixedly connected with urceolus (16) of connecting plate (15), the inside sliding connection of urceolus (16) has inner tube (17), the first baffle of one end fixedly connected with (18) of inner tube (17), and the other end fixedly connected with roof (20) of inner tube (17), first baffle (18) are located the inside of urceolus (16), the first compression spring (19) of one side fixedly connected with of first baffle (18), and the other end fixed connection of first compression spring (19) is on the inner wall of urceolus (16).
8. The coke pusher contact stop device of claim 7, wherein: the top plate (20) and the second opening (22) are correspondingly arranged, and the second opening (22) is used for penetrating through the top plate (20).
9. The coke pusher contact stop device of claim 1, wherein: l shape gag lever post (28) are provided with four groups, four groups the one end of L shape gag lever post (28) all is provided with crashproof pad (29), crashproof pad (29) set up to high temperature resistant crashproof pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011571341.6A CN112831327B (en) | 2020-12-27 | 2020-12-27 | Contact type limiting device of coke pusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011571341.6A CN112831327B (en) | 2020-12-27 | 2020-12-27 | Contact type limiting device of coke pusher |
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| Publication Number | Publication Date |
|---|---|
| CN112831327A true CN112831327A (en) | 2021-05-25 |
| CN112831327B CN112831327B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011571341.6A Active CN112831327B (en) | 2020-12-27 | 2020-12-27 | Contact type limiting device of coke pusher |
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| CN (1) | CN112831327B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049501A (en) * | 1975-02-11 | 1977-09-20 | Koppers Company, Inc. | Device for spotting within tolerance apparatus associated with the coke oven chambers of a battery |
| CN104710994A (en) * | 2015-04-03 | 2015-06-17 | 山东钢铁股份有限公司 | Pushing ram support device and pushing machine |
| CN206604926U (en) * | 2017-04-06 | 2017-11-03 | 张玉华 | A kind of limiting and protecting device of mechanical part |
| CN109243876A (en) * | 2018-11-01 | 2019-01-18 | 常熟市创新自动化控制仪表有限公司 | A kind of limit switch with protective device |
| CN210458049U (en) * | 2019-06-28 | 2020-05-05 | 山西阳光焦化集团股份有限公司 | Contact type limiting device of coke pusher |
-
2020
- 2020-12-27 CN CN202011571341.6A patent/CN112831327B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049501A (en) * | 1975-02-11 | 1977-09-20 | Koppers Company, Inc. | Device for spotting within tolerance apparatus associated with the coke oven chambers of a battery |
| CN104710994A (en) * | 2015-04-03 | 2015-06-17 | 山东钢铁股份有限公司 | Pushing ram support device and pushing machine |
| CN206604926U (en) * | 2017-04-06 | 2017-11-03 | 张玉华 | A kind of limiting and protecting device of mechanical part |
| CN109243876A (en) * | 2018-11-01 | 2019-01-18 | 常熟市创新自动化控制仪表有限公司 | A kind of limit switch with protective device |
| CN210458049U (en) * | 2019-06-28 | 2020-05-05 | 山西阳光焦化集团股份有限公司 | Contact type limiting device of coke pusher |
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| Publication number | Publication date |
|---|---|
| CN112831327B (en) | 2021-09-28 |
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