CN215326542U - A overhaul overhead hoist for coke oven roof - Google Patents
A overhaul overhead hoist for coke oven roof Download PDFInfo
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- CN215326542U CN215326542U CN202121400579.2U CN202121400579U CN215326542U CN 215326542 U CN215326542 U CN 215326542U CN 202121400579 U CN202121400579 U CN 202121400579U CN 215326542 U CN215326542 U CN 215326542U
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- coke oven
- overhauling
- cross beam
- supporting legs
- hoisting device
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Abstract
The utility model discloses an overhauling and hoisting device for the top of a coke oven, which is characterized in that a beam capable of advancing along the direction of a track is arranged on two smoke guide cars or coal charging car top tracks which are parallel to each other, an electric hoist capable of advancing along the length direction of the beam is arranged at the right end of the beam, and a riser to be replaced at the top of the coke oven can be hoisted and overhauled through the electric hoist hung on the beam, so that the overhauling work of the riser is more convenient, the overhauling cost is saved, the overhauling and construction period of the riser is obviously reduced, meanwhile, the normal production of the coke oven can not be influenced in the overhauling and construction process of the riser, and the maximization of the production benefit of an enterprise is facilitated; after the ascending pipe at the top of the coke oven is replaced, the overhauling and hoisting device can be detached, so that the effective space at the top of the coke oven is ensured, and the hoisting device is prevented from being corroded and aged due to wind and sunlight.
Description
Technical Field
The utility model relates to the technical field of coking, in particular to a maintenance hoisting device for the top of a coke oven.
Background
The ascending pipe on the top of the coke oven is very important equipment in an exhaust system, comprises a vertical pipe, a bridge pipe, a base and a water sealing cover, has the total weight of 565kg, and has the function of guiding raw coke oven gas. In the process of modifying the waste heat of the ascending pipe of the old coke oven, the original old ascending pipe heat exchanger needs to be taken down and replaced by a new ascending pipe heat exchanger, and the work is usually finished by adopting a crane. But often encounter some problems in the actual hoisting process: because the crane needs to be lifted at a position close to the coke oven, the crane often needs to enter the working area range of a coke pushing car or a coke quenching car of the coke oven, the coke oven stops production, the efficiency of replacing the ascending pipe is very low, and serious safety accidents can be caused if the crane is carelessly driven or stopped in the process of replacing the ascending pipe heat exchanger. Therefore, a maintenance hoisting device for the top of the coke oven is needed to be developed so as to replace a crane for replacement and maintenance of the riser heat exchanger and maintain normal production of the coke oven, and the maintenance hoisting device has the characteristics of high replacement efficiency and small safety risk.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide an overhauling and hoisting device for the top of a coke oven, wherein a cross beam capable of advancing along the track direction is arranged on two parallel smoke guide cars or coal charging car top tracks, an electric hoist capable of advancing along the length direction of the cross beam is arranged at the right end of the cross beam, and an ascending pipe to be replaced at the top of the coke oven can be hoisted and overhauled by the electric hoist hung on the cross beam, so that the overhauling work of the ascending pipe is more convenient, the overhauling cost is saved, the overhauling and construction period of the ascending pipe is obviously reduced, meanwhile, the overhauling and construction process of the ascending pipe can not influence the normal production of the coke oven, and the maximization of the production benefit of an enterprise is facilitated; after the ascending pipe at the top of the coke oven is replaced, the overhauling and hoisting device can be detached, so that the effective space at the top of the coke oven is ensured, and the hoisting device is prevented from being corroded and aged due to wind and sunlight.
In order to achieve the purpose, the utility model adopts the technical scheme that the overhauling and hoisting device for the coke oven top comprises two mutually parallel smoke guide cars or coal charging car top rails, a cross beam, an electric hoist and a controller, wherein the cross beam vertically stretches across the top rails of the smoke guide cars or coal charging cars, a supporting leg is vertically and correspondingly fixedly arranged at the left end and the middle part of the lower end surface of the cross beam respectively, rollers are arranged at the lower ends of the two supporting legs, the roller at the left end of the cross beam is slidably arranged in a rail sliding chute on the smoke guide car or the coal charging car top rail at the left side, the roller at the middle part of the cross beam is slidably arranged in a rail sliding chute on the smoke guide car or the coal charging car top rail at the right side, an electric hoist sliding rail groove along the length direction is arranged at the right end of the lower end surface of the cross beam, the electric hoist is slidably arranged in the electric hoist sliding rail groove, the electric hoist is connected with the controller.
According to the overhauling and hoisting device for the coke oven top, the cross beam capable of advancing along the direction of the rail is arranged on the two smoke guide cars or coal charging car top rails which are parallel to each other, the electric hoist capable of advancing along the length direction of the cross beam is arranged at the right end of the cross beam, and the ascending pipe to be replaced at the top of the coke oven can be hoisted and overhauled through the electric hoist hung on the cross beam, so that the overhauling work of the ascending pipe is more convenient, the overhauling cost is saved, the overhauling and construction period of the ascending pipe is obviously reduced, meanwhile, the normal production of the coke oven can not be influenced in the overhauling and construction process of the ascending pipe, and the maximization of the production benefit of an enterprise is facilitated; after the ascending pipe at the top of the coke oven is replaced, the overhauling and hoisting device can be detached, so that the effective space at the top of the coke oven is ensured, and the hoisting device is prevented from being corroded and aged due to wind and sunlight.
The optimized technical scheme is that a hook is fixedly arranged at the left end part of the lower end face of the cross beam, and the device further comprises a balancing weight which is hung on the hook. When the lifting device lifts and replaces the lifting pipe, the balancing weight can keep the whole stress of the cross beam balanced as much as possible, so that the stability and the safety of the lifting device in the using process are ensured.
Further preferred technical scheme still, the landing leg includes vertical landing leg and two slant landing legs, vertical landing leg upper end set firmly perpendicularly in the lower terminal surface of crossbeam, two the slant landing leg is "eight" style of calligraphy structure symmetry and sets firmly in the lower extreme of vertical landing leg, the gyro wheel is installed in the lower extreme of slant landing leg. The supporting leg has simple and reasonable structural design, and obviously improves the installation stability of the beam on the top track of the smoke guide car or the coal charging car and the stability of the lifting device in the advancing process.
The technical scheme is that the device further comprises a driving motor connected with the controller, the driving motor is fixedly arranged at the upper end of the middle gap of the two inclined supporting legs, a driving wheel is fixedly arranged on an output shaft of the driving motor, a driven wheel is fixedly arranged on a wheel shaft of a roller wheel positioned at the lower ends of the two inclined supporting legs, and the driven wheel is in transmission connection with the driving wheel through a belt. The cross beam can be driven by the driving motor to roll on the top track of the smoke guide car or the coal charging car, so that the labor is saved.
Further preferably, the driving motor is a reduction motor.
The utility model has the advantages and beneficial effects that:
1. according to the overhauling and hoisting device for the coke oven top, the cross beam capable of advancing along the direction of the rail is arranged on the two smoke guide cars or coal charging car top rails which are parallel to each other, the electric hoist capable of advancing along the length direction of the cross beam is arranged at the right end of the cross beam, and the ascending pipe to be replaced at the top of the coke oven can be hoisted and overhauled through the electric hoist hung on the cross beam, so that the overhauling work of the ascending pipe is more convenient, the overhauling cost is saved, the overhauling and construction period of the ascending pipe is obviously reduced, meanwhile, the normal production of the coke oven can not be influenced in the overhauling and construction process of the ascending pipe, and the maximization of the production benefit of an enterprise is facilitated; after the ascending pipe at the top of the coke oven is replaced, the overhauling and hoisting device can be detached, so that the effective space at the top of the coke oven is ensured, and the hoisting device is prevented from being corroded and aged due to wind and sunlight.
2. When the lifting device lifts and replaces the lifting pipe, the balancing weight can keep the whole stress of the cross beam balanced as much as possible, so that the stability and the safety of the lifting device in the using process are ensured.
3. The landing leg includes vertical landing leg and two slant landing legs, vertical landing leg upper end set firmly perpendicularly in the lower terminal surface of crossbeam, two the slant landing leg is "eight" style of calligraphy structure symmetry and sets firmly in the lower extreme of vertical landing leg, the gyro wheel is installed in the lower extreme of slant landing leg. The supporting leg has simple and reasonable structural design, and obviously improves the installation stability of the beam on the top track of the smoke guide car or the coal charging car and the stability of the lifting device in the advancing process.
Drawings
FIG. 1 is a front view structure schematic diagram of a maintenance hoisting device for the top of a coke oven in embodiment 1;
FIG. 2 is a schematic structural diagram of the left end of a maintenance hoisting device for the top of a coke oven in embodiment 1;
FIG. 3 is a front view of a maintenance hoisting device for the top of a coke oven in embodiment 2;
FIG. 4 is a schematic structural view of the left end of the overhauling and hoisting device for the oven top of the coke oven in the embodiment 2.
In the figure: 1. a smoke guide vehicle or a coal charging vehicle top track; 2. a cross beam; 3. a support leg; 4. a roller; 5. an electric hoist; 6. a slide rail groove of the electric hoist; 7. hooking; 8. a balancing weight; 9. a drive motor; 10. a belt; 1-1, a track chute; 3-1, vertical supporting legs; 3-2, oblique supporting legs; 4-1, driven wheel; 9-1 and a driving wheel.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in figures 1-2, the utility model is an overhaul lifting device for the furnace top of a coke oven, which comprises two mutually parallel smoke guide cars or coal charging car furnace top rails 1, a cross beam 2, an electric hoist 5 and a controller, wherein the cross beam 2 vertically crosses over the two smoke guide cars or coal charging car furnace top rails 1, the left end and the middle part of the lower end surface of the cross beam 2 are respectively and fixedly provided with a supporting leg 3 vertically, the lower ends of the two supporting legs 3 are respectively provided with a roller 4, the roller 4 positioned at the left end of the cross beam 2 is slidably arranged in a rail sliding chute 1-1 on the left smoke guide car or coal charging car furnace top rail 1, the roller 4 positioned at the middle part of the cross beam 2 is slidably arranged in a rail sliding chute 1-1 on the right smoke guide car or coal charging car furnace top rail 1, the right end of the lower end surface of the cross beam 2 is provided with an electric hoist sliding rail groove 6 along the length direction, the electric hoist 5 is slidably mounted in the electric hoist slide rail groove 6, and the electric hoist 5 is connected with the controller.
Preferably, the left end of the lower end surface of the cross beam 2 is fixedly provided with a hook 7, and the device further comprises a counterweight block 8, wherein the counterweight block 8 is suspended on the hook 7.
Further preferably, the supporting legs 3 comprise vertical supporting legs 3-1 and two oblique supporting legs 3-2, the upper ends of the vertical supporting legs 3-1 are vertically and fixedly arranged on the lower end face of the cross beam 2, the two oblique supporting legs 3-2 are symmetrically and fixedly arranged at the lower ends of the vertical supporting legs 3-1 in a splayed structure, and the rollers 4 are arranged at the lower ends of the oblique supporting legs 3-2.
The working principle of the overhauling and hoisting device for the coke oven top in the embodiment 1 is as follows:
step 1: hoisting a plurality of preassembled new ascension pipes to the coke oven end platform for later use by using a rotary crane on the coke oven end platform;
step 2: the hoisting device is pushed to advance to the position of a smoke guide car or a coal charging car top track 1 corresponding to the position of the ascending pipe to be replaced, the electric hoist 5 is advanced to the position right above the position corresponding to the position of the ascending pipe to be replaced by using the controller, and a hook on the electric hoist 5 falls down and hooks the ascending pipe to be replaced by the controller;
and step 3: the electric hoist 5 is started by the controller to lift the ascending pipe to be replaced upwards until the bottom of the ascending pipe to be replaced is positioned above the tops of other nearby ascending pipes, and then the controller drives the electric hoist 5 to move towards one end close to the supporting leg 3 until other ascending pipes on the top of the coke oven are avoided;
and 4, step 4: pushing a lifting device carrying a to-be-replaced ascending pipe to move to a position on a coke oven end platform for storing a new ascending pipe, then descending the to-be-replaced ascending pipe downwards onto the coke oven end platform through a controller and detaching the ascending pipe, hooking a hook on an electric hoist 5 on the new ascending pipe, controlling the electric hoist 5 to transport the new ascending pipe to the position on the top of the coke oven, where the ascending pipe is to be installed, through the controller, and detaching the new ascending pipe to perform subsequent installation work;
and 5: and hoisting the replaced ascending pipe to a specified position by using a rotary crane on the coke oven end table.
Example 2
As shown in fig. 3 to 4, the utility model relates to an overhauling and hoisting device for the top of a coke oven, which is different from the overhauling and hoisting device for the top of the coke oven in embodiment 1 in that the overhauling and hoisting device for the top of the coke oven further comprises a driving motor 9 connected with a controller, wherein the driving motor 9 is fixedly arranged at the upper end of a gap between two inclined supporting legs 3-2, a driving wheel 9-1 is fixedly arranged on an output shaft of the driving motor 9, a driven wheel 4-1 is fixedly arranged on a wheel shaft of a roller 4 positioned at the lower ends of the two inclined supporting legs 3-2, and the driven wheel 4-1 is in transmission connection with the driving wheel 9-1 through a belt 10.
Preferably, the driving motor 9 is a reduction motor.
In the embodiment 2, the working principle of the overhauling and hoisting device for the oven top of the coke oven is as follows:
the working principle of the overhauling and hoisting device for the coke oven top in the embodiment 1 is as follows:
step 1: hoisting a plurality of preassembled new ascension pipes to the coke oven end platform for later use by using a rotary crane on the coke oven end platform;
step 2: the controller is utilized to start the driving motor 9 to push the lifting device to advance to the position of a smoke guide car or a coal charging car top track 1 corresponding to the position of the ascending pipe to be replaced, the controller is utilized to advance the electric hoist 5 to the position right above the position corresponding to the position of the ascending pipe to be replaced, and a hook on the electric hoist 5 falls down and hooks the ascending pipe to be replaced through the controller;
and step 3: the electric hoist 5 is started by the controller to lift the ascending pipe to be replaced upwards until the bottom of the ascending pipe to be replaced is positioned above the tops of other nearby ascending pipes, and then the controller drives the electric hoist 5 to move towards one end close to the supporting leg 3 until other ascending pipes on the top of the coke oven are avoided;
and 4, step 4: starting a driving motor 9 to push a lifting device carrying an ascending pipe to be replaced to move to a position on a coke oven end platform for storing a new ascending pipe, then descending the ascending pipe to be replaced downwards onto the coke oven end platform through a controller and detaching the ascending pipe, hooking a hook on an electric hoist 5 on the new ascending pipe, controlling the electric hoist 5 to convey the new ascending pipe to the position on the top of the coke oven, where the ascending pipe is to be installed, through the controller, and detaching the new ascending pipe to perform subsequent installation work;
and 5: and hoisting the replaced ascending pipe to a specified position by using a rotary crane on the coke oven end table.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The overhauling and hoisting device for the coke oven top is characterized by comprising two smoke guide cars or coal charging car top rails (1) which are parallel to each other, a cross beam (2), an electric hoist (5) and a controller, wherein the cross beam (2) vertically stretches over the two smoke guide cars or coal charging car top rails (1), the left end and the middle part of the lower end surface of the cross beam (2) are respectively and vertically and correspondingly provided with a supporting leg (3), the lower ends of the two supporting legs (3) are respectively provided with a roller (4), the roller (4) positioned at the left end of the cross beam (2) is slidably arranged in a rail sliding groove (1-1) positioned on the left smoke guide car or coal charging car top rail (1), the roller (4) positioned at the middle part of the cross beam (2) is slidably arranged in a rail sliding groove (1-1) positioned on the right smoke guide car or coal charging car top rail (1), the right-hand member of terminal surface is provided with along length direction's electric block slide rail groove (6) under crossbeam (2), electric block (5) slidable mounting in electric block slide rail groove (6) in, electric block (5) are connected with the controller.
2. The overhauling and hoisting device for the coke oven roof as set forth in claim 1, wherein the left end part of the lower end surface of the beam (2) is fixedly provided with a hook (7), and further comprising a counterweight (8), and the counterweight (8) is suspended on the hook (7).
3. The overhauling and hoisting device for the coke oven roof as set forth in claim 2, characterized in that the supporting legs (3) comprise vertical supporting legs (3-1) and two oblique supporting legs (3-2), the upper ends of the vertical supporting legs (3-1) are vertically and fixedly arranged on the lower end surface of the cross beam (2), the two oblique supporting legs (3-2) are symmetrically and fixedly arranged at the lower ends of the vertical supporting legs (3-1) in a splayed structure, and the rollers (4) are arranged at the lower ends of the oblique supporting legs (3-2).
4. The overhauling and hoisting device for the coke oven roof as set forth in claim 3, further comprising a driving motor (9) connected with the controller, wherein the driving motor (9) is fixedly arranged at the upper end of the gap between the two inclined legs (3-2), an output shaft of the driving motor (9) is fixedly provided with a driving wheel (9-1), a driven wheel (4-1) is fixedly arranged on a wheel shaft of the roller (4) positioned at the lower ends of the two inclined legs (3-2), and the driven wheel (4-1) is in transmission connection with the driving wheel (9-1) through a belt (10).
5. The maintenance trolley for coke oven roofs of claim 4, wherein said drive motor (9) is a gear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121400579.2U CN215326542U (en) | 2021-06-23 | 2021-06-23 | A overhaul overhead hoist for coke oven roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121400579.2U CN215326542U (en) | 2021-06-23 | 2021-06-23 | A overhaul overhead hoist for coke oven roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215326542U true CN215326542U (en) | 2021-12-28 |
Family
ID=79560703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121400579.2U Active CN215326542U (en) | 2021-06-23 | 2021-06-23 | A overhaul overhead hoist for coke oven roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215326542U (en) |
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2021
- 2021-06-23 CN CN202121400579.2U patent/CN215326542U/en active Active
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