CN108706468B - Skip overwinding protection device - Google Patents
Skip overwinding protection device Download PDFInfo
- Publication number
- CN108706468B CN108706468B CN201810644261.5A CN201810644261A CN108706468B CN 108706468 B CN108706468 B CN 108706468B CN 201810644261 A CN201810644261 A CN 201810644261A CN 108706468 B CN108706468 B CN 108706468B
- Authority
- CN
- China
- Prior art keywords
- skip
- platform
- connecting rod
- induction
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The application provides a protection device for overwinding of a material vehicle, wherein a material vehicle is connected with a traction rope, and the traction rope pulls the material vehicle to move up and down under the control of an electrical control system of the material vehicle. The device comprises a platform, a base, a sensing head, a sensing plate and a connecting rod, wherein the base is fixedly arranged on the platform, the sensing head is vertically arranged on the base, and the sensing plate is positioned above the sensing head; one end of the connecting rod is positioned above the platform and connected with the induction plate, and the other end of the connecting rod is positioned below the platform and can be contacted with or separated from the skip car. When the master controller of the electric control system of the skip car fails, the skip car traction rod touches the touch cross arm after exceeding the limit position, the skip car continues to move upwards, the touch cross arm pushes the connecting rod and the induction plate to move upwards, the induction head cannot sense the induction signal of the induction plate, the switch point of the induction head is disconnected, the electric control system of the skip car is further enabled to cut off the power supply of the skip car, the skip car stops running, the accident of falling after the skip car is avoided, and smooth production of the blast furnace is guaranteed.
Description
Technical Field
The application relates to the technical field of blast furnace charging equipment, in particular to a protection device for overwinding of a charging car.
Background
In blast furnace smelting, in order to increase the air permeability in a blast furnace, coke with large granularity is filled into the furnace for smelting, and after the coke is screened, crushed coke with small granularity is conveyed from a charging pit to a special crushed coke bin by utilizing a skip car. The coke crushing winch adopts two trolleys to alternately run up and down to finish material conveying, the skip is in place and the overwinding protection adopts a control mode of a master command, a master command controller adopts a mode of adjusting master command points according to the proportion of the running distance of the skip to work, a point gap of the master command adjustment can cause great change of the position of a site skip, in addition, the site environment is bad, skip in place, skip overwinding and other faults often occur, and particularly after the skip is overwinding, the skip exceeds a track and is directly clamped in a hopper, so that the condition of coke crushing cannot be conveyed is caused. The skip can be reset after a few hours of maintenance work by mechanical personnel, so that the production can be recovered, the labor intensity of maintenance personnel is increased, and the blast furnace feeding and production are greatly affected.
Therefore, the skip car can be stopped in time when the coke is rolled up in the process of conveying the crushed coke, so that skip car derailment is prevented, and the technical problem to be solved by the person skilled in the art is solved.
Disclosure of Invention
The application aims to provide a protective device for overwinding of a material vehicle. The device can stop the skip car when the skip car is overwinding under the condition that the master controller does not work, prevents the skip car from falling off, ensures the normal work of the skip car, and enables the blast furnace production to be carried out smoothly.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides a protection device that charge car is overwinding, the skip is connected with the haulage rope, the haulage rope pulls under skip electrical control system's control the skip reciprocates, protection device includes platform, base, inductive head, induction plate and connecting rod, wherein, the base fixed set up in on the platform, the inductive head vertically set up in on the base, the upper end of inductive head is located the top of base, the lower extreme of inductive head is located the base with between the platform, the output line of inductive head is connected with skip electrical control system electricity so that the break-make of inductive head control skip electrical control system's break-make; the induction plate is positioned above the induction head and can be close to or far away from the induction head; one end of the connecting rod is located above the platform and connected with the induction plate, the other end of the connecting rod is located below the platform and can be contacted with or far away from the skip, when the skip is overwinding, the skip can be contacted with the connecting rod and can push the connecting rod to move upwards, and the upward movement of the connecting rod can enable the induction plate to move upwards, so that the induction plate is far away from the induction head.
Further, in the above protection device, the connecting rod is formed by connecting an upper section and a lower section, the upper section is disposed above the platform and parallel to the platform, and the lower section is vertically disposed and extends from above the platform to below the platform; preferably, the connecting rod is made of a metal tube.
Further, in the above protection device, the positioning rod is provided on the platform, the positioning rod is of a frame structure, the bottom end of the positioning rod is fixedly connected with the platform, the upper section of the connecting rod passes through the frame of the positioning rod, and the upper section of the connecting rod can move up and down in the frame of the positioning rod along the height direction of the positioning rod.
Further, in the above protection device, a through hole is provided on the platform, a shaft sleeve is fixedly provided in the through hole, the lower section of the connecting rod passes through the platform through the shaft sleeve, and the lower section of the connecting rod can move up and down in the shaft sleeve.
Further, in the above protection device, a stop piece is fixedly arranged on the lower section above the platform, the stop piece can prevent the connecting rod from continuously moving downwards, and when the stop piece contacts with the upper surface of the platform, the induction head and the induction plate generate induction.
Further, in the above protection device, the other end of the connecting rod is connected with a touch cross arm, the skip car can be in contact with the touch cross arm, and after the skip car is in contact with the touch cross arm, the touch cross arm can be pushed to further enable the connecting rod to move upwards; preferably, the touching cross arm is horizontally arranged; preferably, the touching cross arm is made of metal tubes.
Further, in the above protection device, a skip traction rod is provided on the skip, the traction rope is connected with the skip traction rod, the traction rope pulls the skip traction rod to enable the skip to move up and down, and when the skip is over-rolled, the skip is contacted with the other end of the connecting rod through the skip traction rod.
Further, in the protection device, an area of the sensing plate is larger than an area of an upper end of the sensing head; preferably, the inductive head is a proximity switch and adopts a normally open point; preferably, the maximum distance that the sensing head can sense the sensing plate is 2cm.
Further, in the above protection device, the base is formed by connecting a transverse plate and a vertical plate, the bottom end of the vertical plate is connected with the platform, the top end of the vertical plate is connected with one end of the transverse plate, the induction head penetrates through the transverse plate, the upper end of the induction head is located above the transverse plate, and the lower end of the induction head is located between the transverse plate and the platform.
Further, in the above-mentioned protection device, when the stopper piece is in contact with the upper surface of the platform, the other end of the link is less than 20cm than the limit position of the skip car.
The analysis shows that the application discloses a protective device for overwinding of a material vehicle, which comprises a material vehicle, a platform, a traction rope, a base, a sensing head, a sensing plate, a connecting rod and a touch cross arm. The base is fixed to be set up on the platform, and the inductive head is vertical to be set up on the base, and the output circuit and the skip electrical control system electricity of inductive head are connected, and the inductive plate can be close or keep away from the inductive head, and the one end and the inductive plate of connecting rod are connected, and the other end of connecting rod can be with skip contact or keep away from.
When the master controller of the electric control system of the skip car fails, the skip car traction rod touches the touch cross arm after exceeding the limit position, the skip car continues to move upwards, the touch cross arm pushes the connecting rod and the induction plate to move upwards, the induction head cannot sense the induction signal of the induction plate, the switch point of the induction head is disconnected, the electric control system of the skip car is further enabled to cut off the power supply of the skip car, the skip car stops running, the accident of falling after the skip car is avoided, and smooth production of the blast furnace is guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is a schematic diagram of an embodiment of the present application.
Reference numerals illustrate: 1, a platform; 2, pulling ropes; 3, a base; 4, an induction head; 5, an induction plate; a 6 connecting rod; 7, a skip car; 8, a skip car traction rod; 9 through holes; 10, positioning a rod; 11 shaft sleeves; 12 stop sheets; 13 touching the cross arm.
Detailed Description
The application will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the application and not limitation of the application. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present application encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present application and do not require that the present application must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "coupled," "connected," and "configured" as used herein are to be construed broadly and may be, for example, fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate component; either a wired electrical connection, a radio connection or a wireless communication signal connection, the specific meaning of which terms will be understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1, according to an embodiment of the present application, there is provided a protection device for a skip car, including a platform 1, a traction rope 2, a base 3, a sensing head 4, a sensing plate 5, and a connecting rod 6, wherein the traction rope 2 passes through the platform 1 from above the platform 1 to below the platform 1, the lower end of the traction rope 2 is connected with a skip car 7, and the traction rope 2 can pull the skip car 7 to move up and down under the control of a skip car electrical control system. The base 3 is fixedly arranged on the platform 1, the induction head 4 is vertically arranged on the base 3, the upper end of the induction head 4 is positioned above the base 3, the lower end of the induction head 4 is positioned between the base 3 and the platform 1, and an output circuit of the induction head 4 is electrically connected with the skip car electric control system. The induction plate 5 is located above the induction head 4, the induction surface of the induction plate 5 is downward, the shape of the induction plate 5 can be square or rectangular, the area of the induction plate 5 is larger than the area of the upper end of the induction head 4, and the induction plate 5 can be close to or far away from the induction head 4. The switch point of the induction head 4 is disconnected, so that the electric control system of the skip car can be controlled to cut off the power supply of the skip car, and the skip car is stopped.
One end of the connecting rod 6 is located above the platform 1 and is connected with the induction plate 5, one end of the connecting rod 6 and the induction plate 5 are connected in a welding mode, the other end of the connecting rod 6 is located below the platform 1 and can be in contact with or far away from the skip 7, when the skip 7 is over-rolled, the skip 7 can be in contact with the connecting rod 6 and can push the connecting rod 6 to move upwards, the connecting rod 6 moves upwards to enable the induction plate 5 to move upwards, and then the induction plate 5 is far away from the induction head 4.
Further, the connecting rod 6 is formed by connecting upper segment and hypomere, and upper segment and hypomere junction set up to bend, and the department of bending is 90 degrees angles, and platform 1 top is arranged in to the upper segment and is parallel with platform 1, and the hypomere vertical setting extends to platform 1 below by platform 1 top, and preferably, the material of connecting rod 6 is the tubular metal resonator, so set up can increase this protection device's life.
Further, be provided with locating lever 10 on the platform 1, locating lever 10 is frame structure, and locating lever 10's bottom and platform 1 fixed connection, the upper segment of connecting rod 6 passes in the frame of locating lever 10, and the upper segment of connecting rod 6 can follow locating lever 10's direction of height and reciprocate in the frame of locating lever 10. The width of the frame of the positioning rod 10 is slightly larger than the diameter of the connecting rod 6, and the positioning rod 10 can limit the connecting rod 6 to shift left and right when the positioning rod 10 moves up and down, so that the induction plate 5 is always positioned above the induction head 4.
Further, be provided with through-hole 9 on the platform 1, through-hole 9 internal fixation is provided with axle sleeve 11, and axle sleeve 11 is tubular structure, and the internal diameter of axle sleeve 11 is slightly greater than connecting rod 6 outside of tubes diameter, makes connecting rod 6 can insert in axle sleeve 11, and axle sleeve 11 runs through in the upper and lower plane of platform 1, and axle sleeve 11 is perpendicular and be connected into an organic whole with platform 1, and the lower segment of connecting rod 6 passes platform 1 through axle sleeve 11, and the lower segment of connecting rod 6 can reciprocate in axle sleeve 11.
Further, the lower section of the connecting rod 6 above the platform 1 is fixedly provided with a stop piece 12, the stop piece 12 is in a circular ring shape, when the stop piece 12 is clamped with the upper surface of the platform 1, the connecting rod 6 can be prevented from continuously moving downwards under the action of gravity, and when the stop piece 12 is contacted with the upper surface of the platform 1, the induction plate 5 can sense the induction head 4. In another embodiment, the stop piece 12 may also be clamped to the upper end of the shaft sleeve 11, so as to prevent the connecting rod 6 from moving downward under the action of gravity, and when the stop piece 12 contacts with the upper end of the shaft sleeve 11, the sensing plate 5 can sense the sensing head 4 to generate sensing.
Further, the other end of the connecting rod 6 is connected with a touch cross arm 13, and the contact area between the connecting rod 6 and the skip 7 (skip traction rod 8) is increased due to the arrangement of the touch cross arm 13. The middle part of touching cross arm 13 is fixed at the other end of connecting rod 6 with welded mode and is perpendicular setting of T type with connecting rod 6, and when skip 7 overwinding, skip 7 can contact with touching cross arm 13, can promote after skip 7 and touching cross arm 13 contact and touch cross arm 13 and upwards remove and then make connecting rod 6 upwards remove. Preferably, the touching cross arm 13 is arranged horizontally. Preferably, the material of the touching cross arm 13 is a metal tube. The frame-like structure of the positioning rod 10 enables the skip car hauling rod 8 and the touching cross arm 13 to be spatially perpendicular. This arrangement allows for more convenient contact between the skip 7 and the touch cross arm 13.
Further, a skip traction rod 8 is arranged on the skip 7, when the skip 7 moves up and down, the traction rod is arranged above the skip 7, the traction rope 2 is connected with the skip traction rod 8, the traction rope 2 enables the skip 7 to move up and down by pulling the skip traction rod 8, and when the skip 7 is over-rolled, the skip 7 is contacted with the other end of the connecting rod 6 through the skip traction rod 8 (namely, the skip traction rod 8 is contacted with the touching cross arm 13).
Further, the area of inductive plate 5 is greater than the area of inductive head 4's upper end, inductive head 4 is proximity switch, adopt normally open point, inductive head 4 can sense inductive plate 5's maximum distance and be 2cm, after inductive plate 5 and inductive head 4's distance exceeded 2cm, inductive head 4 response can not reach inductive plate 5's response signal, inductive head 4's switching point disconnection, and then make skip electric control system cut off skip 7's power, make skip 7 stop running, the accident emergence of falling behind the skip 7 overwinding has been avoided.
Further, the base 3 is formed by diaphragm and riser connection, and the bottom and the platform 1 of riser are connected, and the top and the one end of diaphragm of riser are connected, and the sensor head 4 passes the diaphragm, and the upper end of sensor head 4 is located the top of diaphragm, and the lower extreme of sensor head 4 is located between diaphragm and the platform 1. So set up and make inductive head 4 installation more firm, the operation is more stable.
Further, when the stopper piece 12 is in contact with the upper surface of the platform 1, the other end of the link 6 is less than 20cm than the limit position of the skip 7 (the position of the topmost point where the skip 7 can rise when the master controller is normal is the limit position). When the skip is over-rolled, the skip can touch the cross arm by a distance less than 20cm, so that the induction head 4 loses induction, the skip is controlled to stop running, and the skip 7 is prevented from being over-rolled and falling.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
the utility model provides a protection device that charge car was rolled up, including skip 7, platform 1, haulage rope 2, base 3, inductive head 4, inductive plate 5, connecting rod 6 and touch cross arm 13, base 3 is fixed to be set up on platform 1, inductive head 4 is vertical to be set up on base 3, the output circuit and the skip electrical control system electricity of inductive head 4 are connected, inductive plate 5 can be close or keep away from inductive head 4, the one end and the inductive plate 5 of connecting rod 6 are connected, the other end of connecting rod 6 can be contacted or keep away from with skip 7.
When the main command controller of the electric control system of the skip car is normal and the skip car 7 rises to the limit position, the traction rod is not contacted with the touch cross arm 13, the induction head 4 can sense the induction plate 5, the switching point of the induction head 4 is communicated, and the electric control system of the skip car can control the skip car 7 to stop according to the main command controller under normal conditions.
When the master controller of the electric control system of the skip is out of order, the skip traction rod 8 touches the touch cross arm 13 after exceeding the limit position, the skip 7 continues to move upwards, the touch cross arm 13 pushes the connecting rod 6 and the induction plate 5 to move upwards, the induction head 4 cannot sense the induction signal of the induction plate 5, the switching point of the induction head 4 is disconnected, the electric control system of the skip is further enabled to cut off the power supply of the skip, the skip 7 stops running, the accident that the skip 7 falls after being overwinding is avoided, and smooth production of the blast furnace is guaranteed.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a protection device for the overwinding of a material vehicle, the material vehicle is connected with a traction rope, the traction rope is controlled by an electrical control system of the material vehicle to drive the material vehicle to move up and down, the protection device is characterized in that the protection device comprises a platform, a base, a sensing head, a sensing plate and a connecting rod, wherein,
the base is fixedly arranged on the platform, the induction head is vertically arranged on the base, the upper end of the induction head is positioned above the base, the lower end of the induction head is positioned between the base and the platform, and an output circuit of the induction head is electrically connected with the skip car electric control system so that the on-off of the induction head controls the on-off of the skip car electric control system;
the induction plate is positioned above the induction head and can be close to or far away from the induction head;
one end of the connecting rod is positioned above the platform and connected with the induction plate, the other end of the connecting rod is positioned below the platform and can be contacted with or separated from the skip car,
when the skip is over-rolled, the skip can be contacted with the connecting rod and can push the connecting rod to move upwards, the upward movement of the connecting rod can enable the induction plate to move upwards, so that the induction plate is far away from the induction head, when the induction head cannot sense the induction signal of the induction plate, the induction head switch point is disconnected, so that the skip electric control system cuts off the skip power supply,
the connecting rod is formed by connecting an upper section and a lower section, the upper section is arranged above the platform and is parallel to the platform, and the lower section is vertically arranged and extends from above the platform to below the platform;
the platform is provided with a positioning rod which is in a frame structure, the bottom end of the positioning rod is fixedly connected with the platform, the upper section of the connecting rod penetrates through the frame of the positioning rod, the upper section of the connecting rod can move up and down in the frame of the positioning rod along the height direction of the positioning rod, the positioning rod can limit the connecting rod to deviate left and right and enable the induction plate to be always positioned above the induction head,
the other end of the connecting rod is connected with a touch cross arm, the skip car can be contacted with the touch cross arm, and the skip car can push the touch cross arm to further enable the connecting rod to move upwards after being contacted with the touch cross arm;
the touch cross arm is horizontally arranged; the contact area of the connecting rod and the skip car is increased due to the arrangement of the touch cross arm.
2. The protection device according to claim 1, wherein the connecting rod is made of a metal tube.
3. The protection device according to claim 1, wherein a through hole is formed in the platform, a shaft sleeve is fixedly arranged in the through hole, the lower section of the connecting rod penetrates through the platform through the shaft sleeve, and the lower section of the connecting rod can move up and down in the shaft sleeve.
4. The protective apparatus of claim 1, wherein a stop tab is fixedly disposed on the lower section above the platform, the stop tab being capable of preventing the link from continuing to move downwardly, the sensor head being responsive to the sensor plate when the stop tab contacts the upper surface of the platform.
5. The protection device according to claim 1, wherein,
the touch cross arm is made of a metal tube.
6. The protection device according to claim 1, wherein a skip traction rod is arranged on the skip, the traction rope is connected with the skip traction rod, the traction rope enables the skip to move up and down by pulling the skip traction rod, and when the skip is over-rolled, the skip is contacted with the other end of the connecting rod through the skip traction rod.
7. The protective device of claim 1, wherein the sensing plate has an area greater than an area of an upper end of the sensing head;
the inductive head is a proximity switch and adopts a normally open point.
8. The protective device according to claim 1, wherein the maximum distance that the sensor head can sense the sensor plate is 2cm.
9. The protective device according to claim 1, wherein the base is formed by connecting a transverse plate and a vertical plate, the bottom end of the vertical plate is connected with the platform, the top end of the vertical plate is connected with one end of the transverse plate, the induction head penetrates through the transverse plate, the upper end of the induction head is located above the transverse plate, and the lower end of the induction head is located between the transverse plate and the platform.
10. The protective device of claim 4, wherein the other end of the link is less than 20cm than the extreme position of the skip car when the stop tab is in contact with the upper surface of the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644261.5A CN108706468B (en) | 2018-06-21 | 2018-06-21 | Skip overwinding protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644261.5A CN108706468B (en) | 2018-06-21 | 2018-06-21 | Skip overwinding protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108706468A CN108706468A (en) | 2018-10-26 |
| CN108706468B true CN108706468B (en) | 2023-09-05 |
Family
ID=63872879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644261.5A Active CN108706468B (en) | 2018-06-21 | 2018-06-21 | Skip overwinding protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108706468B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001213588A (en) * | 1998-12-02 | 2001-08-07 | Shinko Electric Co Ltd | Ceiling travelling carrier device |
| CN101450771A (en) * | 2008-11-21 | 2009-06-10 | 三一汽车制造有限公司 | Crane stringer rate acquisition method, system and crane |
| CN101580209A (en) * | 2009-06-01 | 2009-11-18 | 南京市特种设备安全监督检验研究院 | Windproof safety device of rail-mounted crane |
| CN204917702U (en) * | 2015-09-06 | 2015-12-30 | 河南中机华远机械工程有限公司 | Take self preservation to protect driving of device |
| CN208345608U (en) * | 2018-06-21 | 2019-01-08 | 莱芜钢铁集团有限公司 | The protective device of truck pulleying |
-
2018
- 2018-06-21 CN CN201810644261.5A patent/CN108706468B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001213588A (en) * | 1998-12-02 | 2001-08-07 | Shinko Electric Co Ltd | Ceiling travelling carrier device |
| CN101450771A (en) * | 2008-11-21 | 2009-06-10 | 三一汽车制造有限公司 | Crane stringer rate acquisition method, system and crane |
| CN101580209A (en) * | 2009-06-01 | 2009-11-18 | 南京市特种设备安全监督检验研究院 | Windproof safety device of rail-mounted crane |
| CN204917702U (en) * | 2015-09-06 | 2015-12-30 | 河南中机华远机械工程有限公司 | Take self preservation to protect driving of device |
| CN208345608U (en) * | 2018-06-21 | 2019-01-08 | 莱芜钢铁集团有限公司 | The protective device of truck pulleying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108706468A (en) | 2018-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201842479U (en) | Coke powder blockage automatic alarming and immediate vibrating blanking system | |
| CN107284286B (en) | Equipment charging device and equipment charging bow | |
| CN108706468B (en) | Skip overwinding protection device | |
| CN214612791U (en) | Cathode device for rare earth molten salt electrolytic furnace | |
| CN109941294B (en) | Safety automatic control system for railway endless rope traction shuttle car | |
| CN111023825B (en) | Self-diagnosis sintering machine end sealing device and control method thereof | |
| CN208345608U (en) | The protective device of truck pulleying | |
| CN201770655U (en) | Coke oven door service car | |
| CN203938424U (en) | Hydraulic hoist | |
| CN207115202U (en) | A kind of electromechanical integration line leak detectors | |
| CN204871022U (en) | Device of turning on one's side is prevented to mine car safe in utilization | |
| CN202848525U (en) | Hoister | |
| CN203007358U (en) | Special crystallizer trolley for electric slag furnace | |
| CN211141426U (en) | Lifting device of mixer and mixer with same | |
| CN211903740U (en) | Automatic alarm device for detecting bonding block of sintering machine trolley | |
| CN204384737U (en) | A kind of hoist frame of improvement | |
| CN209870370U (en) | Safety automatic control system for railway endless rope traction shuttle car | |
| CN209922258U (en) | Device for conveying, transferring and hanging elevator | |
| CN206223211U (en) | Port machine walking dolly cable is anti-to roll detection means | |
| CN219689756U (en) | Broken coal detection device of blast furnace coal injection system | |
| CN205328090U (en) | Full -automatic intelligent material transfer system | |
| CN220430136U (en) | Protection device for preventing lifting rope from falling off of overhead manned device | |
| CN206013691U (en) | Batch equipment for round bar conveying | |
| CN109625830A (en) | A kind of feeding device and charging method of integrated circuit board detection | |
| CN205972806U (en) | Belt feeder idling lotus automatic stopping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |