CN220411738U - Combined type steel belt replacement and installation special frame - Google Patents
Combined type steel belt replacement and installation special frame Download PDFInfo
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- CN220411738U CN220411738U CN202321516184.8U CN202321516184U CN220411738U CN 220411738 U CN220411738 U CN 220411738U CN 202321516184 U CN202321516184 U CN 202321516184U CN 220411738 U CN220411738 U CN 220411738U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 89
- 239000010959 steel Substances 0.000 title claims abstract description 89
- 238000009434 installation Methods 0.000 title claims abstract description 14
- 239000002436 steel type Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 239000010884 boiler slag Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to the technical field of steel belt replacement equipment, in particular to a combined steel belt replacement installation special frame which is characterized by comprising an upper frame, a lower frame, an upper carrier roller, a lower carrier roller, fixed vertical rods and movable vertical rods, wherein the upper frame and the lower frame both comprise a longitudinal rod and a transverse rod of a channel steel type, two ends of the longitudinal rod of the channel steel type are respectively welded with a closed end plate, connecting holes are formed in the closed end plate, bolts penetrate through the connecting holes and through holes in the transverse rod to be connected with nuts, the longitudinal rod and the transverse rod are mutually connected to form a square upper frame and a square lower frame, the upper frame and the lower frame are connected through the fixed vertical rods by bolts, the upper carrier roller is connected between the transverse rods of the upper frame, the lower carrier roller is connected between the transverse rods of the lower frame, and the movable vertical rods are connected between the transverse rods of the upper frame and the lower frame.
Description
Technical Field
The utility model relates to the technical field of steel belt replacement equipment, in particular to a combined steel belt replacement installation special frame which is simple in structure, small in occupied space, low in construction cost, high in working efficiency and low in labor intensity.
Background
As known, the boiler slag removal of the large-scale domestic thermal power plant at present mostly adopts an air-cooled dry slag removal system, and a steel belt slag conveyor is used for continuously conveying boiler slag to a slag bin. The core component conveying steel belt of the steel belt slag conveyer is made of stainless steel, the service life is 40000 hours, and the steel belt needs to be replaced every 5 years under normal conditions. A power plant equipped with multiple generator sets may require replacement of the steel strip slag conveyor each year.
Taking a steel belt slag conveyer configured by a 600MW thermal power generating unit as an example, the total length of a conveying steel belt is generally 80-100 m, the width of the conveying steel belt is 1.4 m, the supply package is one group every 4 m, 20-25 groups are sequentially installed, and the mass of a single steel belt is about 300kg. Because the steel belt has larger mass, each time of replacement is matched with the construction of the manufacturing and mounting platform, the huge mounting platform is inconvenient to move and is placed without an idle site after the replacement is finished, and most of the steel belt is removed and scrapped, so that resources are wasted and the construction cost is increased.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provide the combined steel belt replacement and installation special frame which has the advantages of simple structure, small occupied space, low construction cost, high working efficiency and low labor intensity.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a special frame of installation is changed to combination formula steel band, its characterized in that this special frame includes upper frame, underframe, upper idler, underframe, fixed pole setting and movable pole setting, upper frame and underframe all be including the longitudinal rod and the horizontal pole of cell steel type, the longitudinal rod both ends of cell steel type weld closed end plate respectively, be equipped with the connecting hole on the closed end plate, the through-hole and the nut connection on bolt pass connecting hole and the horizontal pole, longitudinal rod and horizontal pole interconnect form square upper frame and underframe, upper frame and underframe between through fixed pole setting through bolted connection, connect the upper idler between the upper frame horizontal pole, connect the underframe between the horizontal pole of underframe, upper idler and underframe establish to double-end lead screw through the nut locking after the both ends of double-end lead screw pass the horizontal pole respectively, the cover has rolling sleeve on upper idler and the underframe respectively, the horizontal pole of upper frame between horizontal pole and the horizontal pole of underframe between the movable pole setting be connected through T type locating bolt and the horizontal pole of upper frame, the lower extreme of movable pole setting is connected through transverse bolt and the horizontal pole of underframe.
The cross rod comprises two unit channel steel rods, the connecting ends of the unit channel steel rods are connected with a closed end plate, through holes are respectively formed in the closed end plate, bolts are arranged in the through holes, and the unit channel steel rods are connected through bolts and nuts penetrating through the closed end plate.
The cross bars of the lower frame at the lower end of the movable upright rod are respectively provided with two closed end plates, through holes are arranged between the two closed end plates, and bolts penetrate through the through holes of the closed end plates and the through holes arranged at the lower end of the movable upright rod and then are connected with nuts.
The outside of the movable vertical rod is sleeved with the sleeve, and the rolling of the steel belt can be assisted by the sleeve.
The side face of the upper frame is connected with a belt feeding slide bar, and the end part of the belt feeding slide bar is connected with a longitudinal bar on the side face of the upper frame through bolts.
The bottom of the lower frame is connected with a rubber shock pad.
Due to the adoption of the structure, the utility model has the advantages of simple structure, small occupied space, low construction cost, high working efficiency, low labor intensity and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a frame and pole combination connection.
Figure 3 is a schematic view of the connection of the movable pole.
Fig. 4 is a schematic diagram of a roller assembly connection.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in the drawing, a combined steel strip is changed and is installed special frame, its characterized in that this special frame includes upper frame, underframe 5, upper idler 3, underframe 7, fixed pole setting 9 and movable pole setting 8, upper frame and underframe 5 all be including vertical rod 1 and horizontal pole 2 of channel-section steel type, vertical rod 1 both ends respectively welded closed end plate 10, be equipped with the connecting hole on the closed end plate 10, bolt 11 passes through the through-hole on connecting hole and horizontal pole 2 and is connected with the nut, vertical rod 1 and horizontal pole 2 interconnect form square upper frame and underframe 5, upper frame and underframe 5 between connect through fixed pole setting 9 through bolt 11, upper idler 3 is connected between upper frame horizontal pole 2, connect underframe 5's horizontal pole 2 down 7, upper idler 3 and underframe 7 set up to double-ended lead screw 13, the both ends of double-ended lead screw 13 pass through the nut locking respectively after horizontal pole 2, the upper idler 3 and underframe 7 are overlapped with rolling sleeve respectively, the rolling sleeve 14 is adopted in the rolling, upper idler 2 and the horizontal pole 2 of underframe connect through the horizontal rod 2 and the movable end of underframe 8 of the movable idler 2 through bolt 11, the movable end 8 is connected through the horizontal idler 2 between the movable idler 2 and the movable idler 8.
Further, the cross bar 2 comprises two unit channel steel bars, the connecting ends of the unit channel steel bars are connected with the closed end plate 10, through holes are respectively formed in the closed end plate 10, bolts 11 are arranged in the through holes, and the unit channel steel bars are connected through the bolts 11 and nuts penetrating through the closed end plate 10.
Further, two closed end plates 10 are respectively arranged on the cross bars 2 of the lower frame 5 at the lower end of the movable vertical rod 8, through holes are formed between the two closed end plates 10, and bolts 11 penetrate through the through holes of the closed end plates 10 and the through holes formed at the lower end of the movable vertical rod 8 and then are connected with nuts.
Further, a sleeve is sleeved outside the movable vertical rod 8, and rolling of the steel belt can be assisted through the sleeve.
Further, the side surface of the upper frame is connected with a belt feeding slide bar 4, and the end part of the belt feeding slide bar 4 is connected with the longitudinal bar 1 on the side surface of the upper frame through a bolt 11.
Further, the bottom of the lower frame 5 is connected with a rubber shock pad 6.
Due to the adoption of the structure, the utility model has the advantages of simple structure, small occupied space, low construction cost, high working efficiency, low labor intensity and the like.
Examples
In this embodiment, the replacement and installation of the steel belts with the width of 1.4 meters and the length of 4 meters and 1 group are taken as an example, for example, the specifications and the sizes of the steel belts are different, the length and the width of the frame and the carrier roller can be correspondingly increased or decreased to adjust, and the structure and the connection principle are the same.
A combined steel belt replacing and installing special frame is provided with an upper frame, a lower frame, an upper carrier roller, a lower carrier roller, a fixed vertical rod, a movable vertical rod and a belt feeding sliding rod, wherein the upper frame 5 and the lower frame are composed of a frame longitudinal rod 1 and a transverse rod 2, 10# channel steel is adopted for manufacturing, the longitudinal rod 1 is 4 in length, the transverse rod 2 is 2.2M in length, 8 transverse rods are arranged at the notch of one end of each transverse rod 2, an end plate 10 is welded at the notch of the end plate 10, 18mm holes are formed in the end plate 10, M16 bolts 11 are adopted for butt joint of the end plates of every 2 transverse rods 2 to be connected into a frame transverse rod, the total length is 4.4M, and 18mm holes are formed in the vertical surfaces of the two ends. End plates 10 are welded at notches at two ends of the longitudinal rod 1, and are longitudinally butted with 2 frame cross rods by M16 bolts 11. The upper frame is formed by combining 2 longitudinal bars 1 and 4 transverse bars 2, and the channel steel notches are outwards. Similarly, the other 2 longitudinal bars 1 and the 4 transverse bars 2 are combined into a lower frame, and the channel steel notches are upward.
The number of the fixed vertical rods 9 is 4, the height is 1.2 meters, the fixed vertical rods are made of 10# channel steel, end plates 10 are welded at notches at two ends of the fixed vertical rods, 18mm holes are formed in the end plates 10, and M16 bolts 11 are vertically connected with two ends of the upper frame and the lower frame to form a mounting frame. The novel mounting rack is characterized in that all parts can be disassembled and assembled, all parts are connected through bolts, firm connection is guaranteed, quick dismantling is facilitated, the width of the largest part is only 100mm, the length of the largest part is 2.2 meters, and the mounting rack is easy to store and store after being used.
The bottom of the lower frame 5 is provided with a rubber shock pad 6, the notch of the channel steel of the lower frame 5 is upward, the channel steel bottom and the ground contact plane are all glued by using high-strength glue to paste a rubber plate with the thickness of 8mm, the rubber shock pad 6 has the functions of shock absorption and noise reduction, and meanwhile, the influence of eliminating uneven ground and the height of the bottom fixing bolt head is made up.
The inner side of the upper frame is provided with an upper carrier roller 3, the inner side of the lower frame is provided with a lower carrier roller 7, and the upper carrier roller and the lower carrier roller are respectively provided with 4 carrier rollers, and the main functions are to bear the steel belt and reduce the horizontal dynamic friction force of the steel belt to protect the steel belt. The upper carrier roller 3 and the lower carrier roller 7 are provided with double-end screw rods 13 which are made of 30mm round steel, the length of the double-end screw rods is 1.6M, and the two ends of the double-end screw rods are respectively provided with M24 common threads. 4 holes with the diameter of 26mm are respectively formed in the upper end of the vertical surface of the cross rod of the 4 frames at the horizontal interval of 1.2M, a seamless steel tube 14 with the diameter of DN32 x 1480mm is sleeved outside the double-head screw rod 13, and two ends of the holes are penetrated through and fixed by M24 bolts to form a carrier roller by adding an leveling pad and a spring pad. The design of the upper carrier roller and the lower carrier roller is beneficial to reducing the sliding friction force of the steel belt when the steel belt enters and returns, and lightens the traction work load, thereby protecting traction mechanism equipment.
6 movable vertical rods 8 are arranged, the height is 1.18 meters, the movable vertical rods are made of DN40mm seamless steel pipes, and two ends of each movable vertical rod are provided with 18mm holes 1; the horizontal spacing of the 4 frame cross bars is 1.1 m, the end plates 10 are welded at the notches, 18mm holes are formed in the end plates 10, the interval between the 2 end plates is 50mm, and 12 groups (6 groups in front and back) are welded together. The upper part and the lower part of the 6 movable vertical rods 8 are respectively connected with an end plate 10 by M16 bolts 11, wherein the tops of the 3 movable vertical rods 8 at the front part or the rear part are respectively provided with a quick positioning bolt 12 with a T-shaped structure of 1 group, and the quick positioning bolts are manufactured by welding steel pipes of 38mm and 20 mm. The movable upright rod 8 has the functions of serving as a connecting support of the upper frame and the lower frame, and is beneficial to disassembling and transporting the replaced old steel belt, and the using method is as follows: if the old steel strip dismantled at the bottom of the lower frame needs to be transported away from the front part of the installation frame, the quick positioning bolts 12 at the top of the front 3 movable vertical rods 8 are pulled out, the movable vertical rods 8 are laid down forwards, at the moment, 3 movable vertical rods 8 which are flush with the ground form a slideway, and after the old steel strip is transported away along the slideway, the movable vertical rods are restored to start to place new steel strips. Similarly, if the old steel belt is required to be transported away from the rear part of the installation frame, the rear movable vertical rod 8 is put down backwards, and the front movable vertical rod is kept still. The movable upright 8 is characterized in that the frame support for installing new steel belts and the transportation slideway for dismantling old steel belts are designed in a multi-purpose way, and the quick positioning bolt 12 of the T-shaped structure ensures the multi-purpose quick conversion of the movable upright when installing and dismantling new and old steel belts. The safety and stability of the mounting frame are guaranteed, and the working efficiency of replacing the steel belt is improved.
The right side (the tape feeding direction) of the upper frame is provided with a tape feeding slide bar 4, and the function of the tape feeding slide bar is that a new steel tape placed on the upper carrier roller 3 enters along the tape feeding slide bar 4 by a traction device according to a set angle, so that the horizontal sliding of the steel tape is facilitated, and the friction force is reduced to protect the steel tape. The feeding slide bar 4 consists of 3 DN40mm seamless steel pipes, end plates 10 are welded at the groove notches of the longitudinal bars 1 at the right side of the upper frame and the interval of 0.5M, the slide bar is connected with the end plates by adopting M16 bolts 11, the length and the angle of the slide bar are determined on site, and the other end of the slide bar is connected with the inner roller of the steel belt slag conveyer.
The specific using steps are as follows:
the special frame for replacing and installing the steel belt comprises the following using steps: the special frame of on-the-spot combination installation, traction mechanism arranges in the mounting bracket left side, places a set of 4 meters new steel band on mounting bracket upper roller 3, new steel band and go upward old steel band afterbody connection, and old steel band head and traction mechanism of going downward are connected, start traction mechanism and drag old steel band to mounting bracket lower roller 7 along the back belting direction, new steel band gets into the steel band slag conveyor inside along advancing the belting slide bar 4 and advances the belting direction simultaneously, falls down front portion or rear portion movable pole setting 8 and will be worn steel band carry away behind 4 meters a set of cutting old steel band, place a set of new steel band on mounting bracket upper roller 3 again. Repeating the steps for a plurality of times until the new steel strip is completely installed.
The scheme has the following advantages:
1. all parts of the mounting frame are combined or decomposed in a bolt connection mode, so that the safety of firmness and stability of the mounting frame is guaranteed, the quick on-site assembly and disassembly after use are facilitated, and the occupied area for storing parts is small.
2. The manufacturing investment is low, the required materials are all common steel, the structure process is simple, the popularization and the application are free from barriers, the repeated use of one-time investment is realized, and the construction cost is reduced.
3. The steel belt is replaced by the mounting rack, so that a steel belt finished product and traction mechanism equipment can be effectively protected, the mounting quality is guaranteed, the mounting labor intensity is reduced, and the working efficiency is greatly improved.
4. The utility model is not only suitable for replacing the steel belt of the steel belt slag conveyer of the boiler slag removal system of the thermal power plant, but also can be used for installing the steel belt of the steel belt slag conveyer of the newly-built thermal power unit, and has wide applicability.
Claims (6)
1. The utility model provides a special frame of installation is changed to combination formula steel band, its characterized in that this special frame includes upper frame, underframe, upper idler, underframe, fixed pole setting and movable pole setting, upper frame and underframe all be including the longitudinal rod and the horizontal pole of cell steel type, the longitudinal rod both ends of cell steel type weld closed end plate respectively, be equipped with the connecting hole on the closed end plate, the through-hole and the nut connection on bolt pass connecting hole and the horizontal pole, longitudinal rod and horizontal pole interconnect form square upper frame and underframe, upper frame and underframe between through fixed pole setting through bolted connection, connect the upper idler between the upper frame horizontal pole, connect the underframe between the horizontal pole of underframe, upper idler and underframe establish to double-end lead screw through the nut locking after the both ends of double-end lead screw pass the horizontal pole respectively, the cover has rolling sleeve on upper idler and the underframe respectively, the horizontal pole of upper frame between horizontal pole and the horizontal pole of underframe between the movable pole setting be connected through T type locating bolt and the horizontal pole of upper frame, the lower extreme of movable pole setting is connected through transverse bolt and the horizontal pole of underframe.
2. The combined steel strip replacement and installation special frame according to claim 1, wherein the cross rod comprises two unit channel steel rods, the connecting ends of the unit channel steel rods are connected with a closed end plate, through holes are respectively formed in the closed end plate, bolts are arranged in the through holes, and the unit channel steel rods are connected through bolts and nuts penetrating through the closed end plate.
3. The combined steel strip replacing and installing special frame as claimed in claim 1, wherein two closed end plates are respectively arranged on the cross bars of the lower frame at the lower end of the movable vertical rod, through holes are arranged between the two closed end plates, and bolts are connected with nuts after passing through the through holes of the closed end plates and the through holes arranged at the lower end of the movable vertical rod.
4. The combined steel strip replacement installation special frame according to claim 1, wherein the movable upright rod is externally sleeved with a sleeve through which rolling of the steel strip can be assisted.
5. The combined steel belt replacing and installing special frame as claimed in claim 1, wherein the side face of the upper frame is connected with a belt feeding slide bar, and the end part of the belt feeding slide bar is connected with a longitudinal bar on the side face of the upper frame through bolts.
6. The combined steel strip replacement installation special frame according to claim 1, wherein the bottom of the lower frame is connected with a rubber shock pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321516184.8U CN220411738U (en) | 2023-06-14 | 2023-06-14 | Combined type steel belt replacement and installation special frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321516184.8U CN220411738U (en) | 2023-06-14 | 2023-06-14 | Combined type steel belt replacement and installation special frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220411738U true CN220411738U (en) | 2024-01-30 |
Family
ID=89651080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321516184.8U Active CN220411738U (en) | 2023-06-14 | 2023-06-14 | Combined type steel belt replacement and installation special frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220411738U (en) |
-
2023
- 2023-06-14 CN CN202321516184.8U patent/CN220411738U/en active Active
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