CN212892225U - Structure for additionally mounting roller at corner of cleaning chain - Google Patents
Structure for additionally mounting roller at corner of cleaning chain Download PDFInfo
- Publication number
- CN212892225U CN212892225U CN202021059562.0U CN202021059562U CN212892225U CN 212892225 U CN212892225 U CN 212892225U CN 202021059562 U CN202021059562 U CN 202021059562U CN 212892225 U CN212892225 U CN 212892225U
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- CN
- China
- Prior art keywords
- chain
- wheel
- corner
- cleaning
- pressing
- 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.)
- Withdrawn - After Issue
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 28
- 230000007704 transition Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 239000002893 slag Substances 0.000 abstract description 10
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Abstract
The utility model provides a clean structure that chain turning installed gyro wheel additional, include the casing that has the corner on longitudinal direction and rotate the chain that cleans of being connected with the casing, clean the chain including last chain and the lower chain that forms closed loop and longitudinal arrangement, still including the chain wheel of pressing, the chain wheel of pressing rotates with the casing to be connected, the chain wheel of pressing divide into chain wheel of pressing and chain wheel of pressing down, it is close to with the last chain butt and lie in the last chain to go up chain wheel of pressing down the inside one side of corner, chain wheel of pressing down is close to with lower chain butt and lie in the lower chain one side of corner inside. The structure can reduce the chain abrasion of the air-cooled steel strip slag conveyor and the friction noise of equipment; the power output of the cleaning chain device is saved due to the reduction of the running resistance, and the energy is saved and the consumption is reduced; in addition, the equipment can run stably and reliably, and the fault-free running time of the equipment is improved.
Description
Technical Field
The utility model relates to a defeated sediment machine technical field of air-cooled steel band especially relates to a clean structure that chain turning installed the gyro wheel additional.
Background
In the existing boilers used in thermal power stations, air-cooled steel strip slag conveying machines are adopted as the discharge equipment at the bottom of the boiler. For the air-cooled steel strip slag conveyor, reference may be made to industry standard "air-cooled steel strip slag conveyor (DL/T1128-: cleaning chain, head driving device (including driving motor, speed reducer and driving head wheel), tail reversing device, scraper, riding wheel, pressing wheel, direction-changing chain pressing plate and chain picking plate. The cleaning chain device has the following functions: part of the furnace bottom fine ash falls to the bottom plate of the steel belt machine through the gap of the steel belt bearing plate or across the ash blocking plate and gradually deposits, and the cleaning chain conveys the fine ash falling to the bottom plate to the head of the steel belt. The minimum forming unit of the cleaning chain is a round-link chain, the round-link chain is connected into a closed chain group through an open ring, and the closed chain group removes a chain at a turning position and is divided into an upper chain 2 and a lower chain 5; each set of cleaning chain device comprises two sets of chain groups which are horizontally arranged upwards in parallel, the two sets of chain groups keep synchronous operation, and fine ash is conveyed away through a scraper arranged between the two sets of chain groups.
The air-cooled steel strip slag conveyor has a turning angle (the angle value is different for different units) in the transition section, so that the shell 1 of the air-cooled steel strip slag conveyor also forms a corresponding turning angle, and the upper chain 2 and the lower chain 5 of the cleaning chain are usually designed to be circular arcs to pass through the angle value when passing through the position (as shown in figure 1). Because the arc corner of the transition section is turned slowly, an upper pressing chain plate 3 and a lower pressing chain plate 4 which are fixedly connected to the inner side of the machine shell 1 are used at present to forcibly change the movement direction of the chain. Because of sliding friction, the resistance is large and the energy consumption of the motor is high. On the other hand, the chain ring and the chain pressing plate are in hard friction, so that the chain and the chain pressing plate are seriously abraded, the service life of parts is short, and the equipment maintenance cost is high. Finally, the equipment using the chain pressing plate mode is low in reliability, the situation that a chain is jumped to the position above the chain pressing plate easily occurs during the operation of the generator set, the situation that the chain of the cleaning chain is broken off and the scraper is deformed due to linkage is caused, the operation of stopping the bottom slag system to eliminate the defects of the equipment is needed, and the stopping of the bottom slag system is related to the safe operation of the whole unit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a reduce chain wearing and tearing clean chain turning and install the structure of gyro wheel additional is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a clean structure that chain turning installed gyro wheel additional, includes the casing that has the corner on longitudinal direction and rotates the chain that cleans of being connected with the casing, clean the chain including last chain and the lower chain that forms closed loop and longitudinal arrangement, still including pressing the sprocket, pressing the sprocket to rotate with the casing and being connected, pressing the sprocket to divide into and press the sprocket and push down the sprocket, it is close to with last chain butt and be located the chain to go up to press the sprocket and be close to the inside one side of corner, it is close to with lower chain butt and be located the lower chain to push down the sprocket one side inside the corner.
Further: the number of the upper pressing chain wheels is more than two, and the number of the lower pressing chain wheels is more than two.
Further: the chain wheel fixedly connected with pivot, the pivot is rotated and is connected with the bearing frame, bearing frame and casing fixed connection, the chain wheel is connected to the one end of pivot, the middle part of pivot is provided with the front bearing, the other end of pivot is provided with the rear bearing, the bearing frame cover is located outside front bearing and the rear bearing.
Further: the casing is provided with a casing through hole which is not smaller than the diameter of the chain pressing wheel, the outer side wall of the bearing seat is provided with a mounting plate, and the mounting plate is detachably connected with the outer side surface of the casing.
Further: the cleaning chain is a round-link chain, a wheel groove is formed in the rim of the chain pressing wheel, and the width of the wheel groove is equal to the diameter of a ring strip of the round-link chain.
Further: the chain wheel has with wheel recess lateral wall vertically rim face, rim face to the distance of wheel recess bottom surface is the distance of stretching out of round-link chain.
Further: an inclined surface is arranged between the wheel rim surface and the side wall of the wheel groove.
Further: the round-link chain has the flat ring the both sides of rim face are provided with the wheel flange, form the joint between the wheel flange of both sides the recess of flat ring.
Further: the inner side surface of the wheel flange and the wheel flange surface are in circular arc transition with the size of half of the diameter of the ring strip.
By adopting the technical scheme, the utility model has the technical effects that a structure for additionally installing the idler wheels at the corners of the cleaning chain is provided, the structure reduces the abrasion of the chain and the friction noise of equipment; the power output of the cleaning chain device is saved due to the reduction of the running resistance, and the energy is saved and the consumption is reduced; in addition, the equipment can run stably and reliably, and the fault-free running time of the equipment is improved.
Drawings
FIG. 1 is a schematic view of a prior art sweeping chain corner configuration;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic view of the shape of the rim of the sprocket of the present invention;
FIG. 5 is a schematic cross-sectional view of a round-link chain;
wherein, 1-machine shell, 2-upper chain, 3-upper chain pressing plate, 4-lower chain pressing plate, 5-lower chain, 6-upper chain pressing wheel, 7-lower chain pressing wheel, 8-mounting hole A, 9-mounting hole B, 10-machine shell through hole, 11-front bearing, 12-chain pressing wheel, 13-mounting plate, 14-rotating shaft, 15-rear bearing shaft, 16-bearing seat, 17-inclined plane, 18-wheel edge surface, 19-wheel flange, 20-wheel groove, 21 extending distance, 22-ring strip diameter, 23-vertical ring and 24-flat ring.
Detailed Description
As shown in fig. 2, the utility model discloses a casing 1 that has the corner in longitudinal direction and rotate the chain that cleans of being connected with casing 1, clean the chain including forming closed loop and longitudinal arrangement's last chain 2 and lower chain 5, its characterized in that: still include chain wheel 12, chain wheel 12 rotates with casing 1 and is connected, chain wheel 12 divides into chain wheel 6 and chain wheel 7 pushes down, it is close to go up chain wheel 6 and last chain 2 butt and be located last chain 2 the inside one side of corner, chain wheel 7 pushes down 5 butts of chain and is located down chain 5 and is close to the inside one side of corner. The arrangement reduces the abrasion of the chain and the friction noise of the air-cooled steel strip slag conveyor; and the power output of the chain sweeping device is saved due to the reduction of the running resistance, and the energy is saved and the consumption is reduced.
As shown in fig. 2, the above-mentioned solution can further make the number of the upper pressing chain wheels 6 more than two, and the number of the lower pressing chain wheels 7 more than two. The chain pressing wheels 12 can make the turning of the chain at the corner smooth and follow the rotating amplitude of the air-cooled steel belt slag conveyor at the corner.
The utility model discloses can be further: as shown in fig. 3, the chain pressing wheel 12 is fixedly connected with a rotating shaft 14, the rotating shaft 14 is rotatably connected with a bearing seat 16, the bearing seat 16 is fixedly connected with the housing 1, one end of the rotating shaft 14 is connected with the chain pressing wheel 12, the middle part of the rotating shaft 14 is provided with a front bearing 11, the other end of the rotating shaft 14 is provided with a rear bearing 15, and the bearing seat 16 is sleeved outside the front bearing 11 and the rear bearing 15. The chain pressing wheel 12 arranged in this way is positioned by the front and the rear 2 bearings, so that the smoothness of rotation is ensured, and the blocking phenomenon is not easy to occur after long-term operation.
As shown in fig. 3, the above scheme may further include: casing 1 has been seted up and has been no less than the casing through-hole 10 of chain wheel 12 diameter, the lateral wall of bearing frame 16 is provided with mounting panel 13, mounting panel 13 has mounting hole A8, is provided with mounting hole B9 on the casing 1, through the bolt assembly between mounting hole A8 and the mounting hole B9, with mounting panel 13 detachable connection in the lateral surface of casing 1. The chain pressing wheel 12 arranged in this way can be detached or installed from the outer side of the shell 1, the chain pressing wheel 12 is convenient to maintain and replace, and the problem of faults such as jamming of individual chain pressing wheels 12 can be eliminated in time.
The cleaning chain is preferably a round-link chain. As shown in fig. 5, when the circular chain is stretched straight, the two adjacent rings are in a substantially perpendicular relationship when viewed from the cross section of the circular chain. Because the cleaning chain has two groups of horizontally arranged chains, and a scraper is connected between the two groups of chains, under the action of the scraper, two adjacent rings of the circular chain form a horizontal flat ring 24 and a vertical upright ring 23, and the height of the protruding part between the upright ring 23 and the flat ring 24 is the protruding distance 21 shown in fig. 5. In addition, the links of the round link chain are made of round bar-shaped steel bars, and the diameter of the round bar-shaped steel bars is the diameter 22 of the ring bar shown in figure 5.
Therefore the utility model discloses still can further: as shown in fig. 4, the cleaning chain is a circular ring chain, a wheel groove 20 is provided on the rim of the pressing chain wheel 12, and the width of the wheel groove 20 is the diameter 22 of the ring strip of the circular ring chain. Therefore, when the equipment runs, the wheel groove 20 can clamp the vertical ring 23, the condition of chain dropping is prevented, and the reliability of the equipment is improved.
As shown in fig. 4, the present invention can further comprise: the chain pressing wheel 12 is provided with a rim surface 18 perpendicular to the side wall of the wheel groove 20, and the distance from the rim surface 18 to the bottom surface of the wheel groove 20 is the extending distance 21 of the circular ring chain. After the arrangement, the rim surface 18 can abut against the flat ring 24, and when the chain pressing wheel 12 abuts against the adjacent vertical ring 23 and the flat ring 24 respectively during the operation of the equipment, the transition between the two states is natural and smooth, and the operation smoothness of the equipment is improved.
Claims (9)
1. A structure for additionally arranging rollers at corners of a cleaning chain comprises a shell (1) with corners in the longitudinal direction and the cleaning chain rotationally connected with the shell (1), wherein the cleaning chain comprises an upper chain (2) and a lower chain (5) which form a closed loop and are longitudinally arranged, and the structure is characterized in that: still include chain wheel (12), chain wheel (12) rotates with casing (1) and is connected, chain wheel (12) divide into chain wheel (6) and chain wheel (7) down, go up chain wheel (6) and last chain (2) butt and be located chain (2) and be close to the inside one side of corner, chain wheel (7) are pressed down and chain (5) butt and are located down chain (5) and are close to the inside one side of corner.
2. The structure of cleaning chain corner with roller as claimed in claim 1, wherein: the number of the upper pressing chain wheels (6) is more than two, and the number of the lower pressing chain wheels (7) is more than two.
3. The structure of cleaning chain corner with roller as claimed in claim 2, characterized in that: the chain wheel (12) fixedly connected with pivot (14) presses, pivot (14) rotate and are connected with bearing frame (16), bearing frame (16) and casing (1) fixed connection, chain wheel (12) is pressed in the one end connection of pivot (14), the middle part of pivot (14) is provided with front bearing (11), the other end of pivot (14) is provided with rear bearing (15), bearing frame (16) cover is located outside front bearing (11) and rear bearing (15).
4. The structure of cleaning chain corner with roller as claimed in claim 3, characterized in that: casing through-hole (10) that are not less than chain wheel (12) diameter are seted up in casing (1), the lateral wall of bearing frame (16) is provided with mounting panel (13), mounting panel (13) can dismantle connect in the lateral surface of casing (1).
5. The structure of cleaning chain corner with roller as claimed in claim 1, wherein: the cleaning chain is a round-link chain, a wheel groove (20) is formed in the rim of the chain pressing wheel (12), and the width of the wheel groove (20) is equal to the diameter (22) of a ring strip of the round-link chain.
6. The structure of cleaning chain corner with roller as claimed in claim 5, wherein: the chain pressing wheel (12) is provided with a rim surface (18) perpendicular to the side wall of the wheel groove (20), and the distance from the rim surface (18) to the bottom surface of the wheel groove (20) is the extending distance (21) of the circular ring chain.
7. The structure of cleaning chain corner with roller as claimed in claim 6, wherein: an inclined surface (17) is arranged between the rim surface (18) and the side wall of the wheel groove (20).
8. The structure of cleaning chain corner with roller as claimed in claim 6, wherein: the round-link chain is provided with a flat ring (24), wheel flanges (19) are arranged on two sides of the wheel flange surface (18), and a groove for clamping the flat ring (24) is formed between the wheel flanges (19) on the two sides.
9. The structure of cleaning chain corner with roller as claimed in claim 8, wherein: the inner side surface of the wheel flange (19) and the wheel flange surface (18) are in circular arc transition with the size of half of the diameter (22) of the ring strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059562.0U CN212892225U (en) | 2020-06-10 | 2020-06-10 | Structure for additionally mounting roller at corner of cleaning chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059562.0U CN212892225U (en) | 2020-06-10 | 2020-06-10 | Structure for additionally mounting roller at corner of cleaning chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212892225U true CN212892225U (en) | 2021-04-06 |
Family
ID=75276422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021059562.0U Withdrawn - After Issue CN212892225U (en) | 2020-06-10 | 2020-06-10 | Structure for additionally mounting roller at corner of cleaning chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212892225U (en) |
-
2020
- 2020-06-10 CN CN202021059562.0U patent/CN212892225U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210406 Effective date of abandoning: 20231226 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210406 Effective date of abandoning: 20231226 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |