Large combustion bin feeding vibration screen inspection and repair device
By designing a maintenance device for a large combustion chamber feeding vibrating screen, the overall lifting and fixing of the vibrating screen is achieved by using the meshing of teeth and racks. This solves the problems of wear on the suspension springs and time-consuming and labor-intensive operation, improves maintenance efficiency and safety, and reduces safety hazards.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
The existing large-scale fuel bin feeding vibrating screen has severely worn suspension springs and hooks, posing a safety hazard and requiring time and effort to operate. Furthermore, there are safety risks during the replacement of the anti-wear rubber hoses.
A maintenance device for a large fuel bin feeding vibrating screen was designed, including components such as a base frame, slide bar, sleeve, limit box, limit block, receiving frame and upright. The overall lifting and fixing of the vibrating screen is achieved by the meshing of teeth and racks. The switching between moving and fixed states is achieved by using casters and studs, which simplifies the replacement process of the anti-wear rubber hose.
It improves maintenance efficiency, reduces workload, enhances safety, and shortens maintenance time from 2 hours to half an hour. One person can replace four anti-wear hoses, reducing safety risks.
Smart Images

Figure CN224025683U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of steel smelting overhauling equipment, especially relates to a big combustion bin feeding vibration screen overhauling device. BACKGROUND
[0002] The sintering production batching process big combustion bin feeding vibration screen is connected with the bin body by four hanging springs and hooks, and the hanging springs and hooks are seriously worn out after long-time operation, which exists the safety hidden danger of the hook breaking and the vibration screen falling off, and also causes a large amount of material leakage and increases the labor intensity of the employees. SUMMARY
[0003] The utility model discloses a big combustion bin feeding vibration screen overhauling device to solve the problems in the prior art.
[0004] The utility model discloses a big combustion bin feeding vibration screen overhauling device to solve the problems in the prior art.
[0005] A big combustion bin feeding vibration screen overhauling device, including the bottom frame, four slide rods are fixed on the bottom frame, the slide rod is equipped with the rack and is connected with the sleeve, the sleeve is fixed with the limit box, the limit box is inserted with the limit block, the limit block one end is equipped with the tooth, and the limit block is through the limit box, sleeve and is engaged with the rack, and the sleeve is commonly welded with the receiving frame.
[0006] Further, the bottom frame is square, the slide rod is located on the four corners of the square structure of the bottom frame, the bottom frame is located on the upper position of the bottom end of the slide rod, and the four corners of the bottom frame are close to the position of the slide rod and are penetrated with the bolt.
[0007] Further, the slide rod is square, the slide rod is located on the four corners of the square structure of the bottom frame, the bottom frame is located on the upper position of the bottom end of the slide rod, and the four corners of the bottom frame are close to the position of the slide rod and are penetrated with the bolt.
[0008] Further, the sleeve has a square inner cavity and is open at the upper and lower ends, the square inner cavity of the sleeve matches the outer contour of the slide rod, and the sleeve is provided with a square hole on one side.
[0009] Further, the limit box has a square inner cavity and is open at one end, the length and width of the inner cavity of the limit box match the length and width of the square hole, and the limit box is inserted with the bolt penetrating the upper and lower ends of the limit box.
[0010] Further, the end of the limiting block with the tooth engages with the rack after passing through the open end and the square hole of the limiting box, and the end of the limiting block away from the tooth is screwed with a push rod, the push rod penetrates the limiting box, and two through holes are formed in the limiting block, and the bolt penetrates any one of the two through holes.
[0011] Further, a plurality of inclined struts are welded between the receiving frame and the vertical rod.
[0012] Further, a platform is welded on the receiving frame, and a plurality of studs are welded on the platform.
[0013] The utility model has the following beneficial effects:
[0014] 1. The utility model discloses a whole lifting of big combustion chamber feeding sieve, thereby facilitating the replacement work of anti-abrasion rubber pipe for maintenance personnel, does not need to use the chain to lift the four corners of the sieve one by one, and the maintenance time is shortened from the original 2 hours to half an hour, improves the efficiency, and reduces the work intensity, and one person can complete.
[0015] 2. The utility model discloses a lifting of the sieve by the abutment of the jack and the vertical rod simultaneously, thereby lifting the whole sieve, and the replacement work of four anti-abrasion rubber pipes is completed at one time.
[0016] 3. The utility model discloses the engagement of the tooth on the limiting block and the rack to fix the sleeve, prevent the risk of the sudden drop of the feeding sieve due to the sudden failure of the jack, and greatly improve the safety of the maintenance work.
[0017] 4. The utility model discloses the switching of the moving and fixed state by the lifting or lowering of the universal wheel, which facilitates the movement of the utility model and improves the stability during the maintenance process.
[0018] 5. The utility model discloses the fixation of the sieve by the stud, which prevents the lateral movement of the sieve after being lifted, and further improves the safety. ACCURATE DRAWINGS
[0019] Figure 1 It is the structure schematic diagram of the utility model.
[0020] Figure 2 It is the structure schematic diagram of the utility model Figure 1 in the enlarged structure schematic diagram of A place.
[0021] Figure 3 It is the structure schematic diagram of the utility model Figure 1 in the section structure schematic diagram of A place when the rack and the tooth engage.
[0022] Figure 4 It is the structure schematic diagram of the utility model Figure 1 in the section structure schematic diagram of A place when the rack and the tooth are separated.
[0023] Figure 5It is the sleeve structure schematic diagram of the utility model.
[0024] Figure 6 It is the limiting block structure schematic diagram of the utility model.
[0025] Among them: 1. bottom frame;2. slide bar;3. rack;4. sleeve;5. limiting box;6. limiting block;7. tooth;8. receiving frame;9. vertical rod;10. bolt;11. fixed nut;12. universal wheel;13. square groove;14. limiting plate;15. square hole;16. ear plate;17. bolt;18. push rod;19. through hole;20. inclined support;21. platform;22. stud. DETAILED DESCRIPTION
[0026] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is combined with specific embodiment and drawing, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.
[0027] As Figures 1-6 The utility model discloses a large combustion chamber feed sieve overhauling device, including bottom frame 1, four slide bars 2 are fixed on bottom frame 1, and the slide bar 2 is equipped with the rack 3 and is sleeved with the sleeve 4, and the sleeve 4 is fixed with the limiting box 5, and the limiting box 5 is inserted with the limiting block 6, and the limiting block 6 one end is equipped with the tooth 7, and the limiting block 6 is through limiting box 5, sleeve 4 after with rack 3 meshing, and four sleeve 4 is commonly welded with receiving frame 8, and the vertical rod 9 is welded in the central position of the bottom of receiving frame 8.
[0028] Bottom frame 1 is square, and the slide bar 2 is located on the four corners of the square structure of bottom frame 1, and bottom frame 1 is located on the upper position of the bottom end of slide bar 2, and the four corners of bottom frame 1 are close to the position of slide bar 2 and are all threaded with bolt 10, and the bolt 10 is threaded with fixed nut 11 on the upper and lower sides of bottom frame 1, and the bottom end of bolt 10 is fixed with universal wheel 12.By screwing bolt 10, universal wheel 12 contacts ground or ground, by tightening two fixed nuts 11, universal wheel 12 is fixed on bottom frame 1, and then the utility model is switched to mobile state or fixed state.
[0029] The slide bar 2 is square, and the square groove 13 is formed on the side of the upper position of slide bar 2, and the rack 3 is located in the square groove 13 and does not exceed the square groove 13, so as not to hinder the sliding of sleeve 4 on slide bar 2, and the limiting plate 14, which is penetrated by slide bar 2, is fixed on the slide bar 2 below the rack 3, and the limiting plate 14 blocks the sleeve 4 from sliding downward, thereby preventing the vertical rod 9 from contacting the ground.
[0030] The sleeve 4 has a square inner cavity and is open at the upper and lower ends, the square inner cavity of sleeve 4 matches the outer contour of slide bar 2, the sleeve 4 is provided with a square hole 15 on one side, and the sleeve 4 is provided with an ear plate 16 on both sides.
[0031] The limiting box 5 has a square inner cavity and is open at one end, the length and width of the inner cavity of the limiting box 5 match the length and width of the square hole 15, the limiting box 5 is inserted with the bolt 17 penetrating through the upper and lower ends of the limiting box 5, and the limiting box 5 is provided with the ear plate 16 on both sides, and the sleeve 4 and the limiting box 5 are bolted through the ear plate 16.
[0032] The limiting block 6 has the gear tooth 7 at one end penetrating through the open end of the limiting box 5 and the square hole 15 and engaging with the gear rack 3, the push rod 18 is screwed at the end of the limiting block 6 away from the gear tooth 7 and penetrates through the limiting box 5, two through holes 19 are formed in the limiting block 6, and the bolt 17 penetrates through any one of the two through holes 19. The gear tooth 7 can be separated from the gear rack 3 by pulling the push rod 18 outward, and the gear tooth 7 can engage with the gear rack 3 by further pushing, so that the sliding state and the fixed state of the sleeve 4 are switched, and the bolt 17 is used for fixing the limiting block 6.
[0033] A plurality of inclined braces 20 are welded between the bearing frame 8 and the vertical rod 9.
[0034] The platform 21 is welded on the bearing frame 8, and a plurality of studs 22 are welded on the platform 21. The positions of the studs 22 are set according to the positions of the fixing holes on the large combustion chamber feeding and vibrating screen, if there is no fixing hole on the large combustion chamber feeding and vibrating screen, or it is not convenient to punch holes, a steel plate can be welded on the large combustion chamber feeding and vibrating screen, and a hole is punched on the steel plate to serve as a mounting hole, and the studs 22 are welded at the corresponding positions of the platform 21, the studs 22 penetrate through the fixing holes to position, and meanwhile prevent the large combustion chamber feeding and vibrating screen from being horizontally moved when the platform 21 is lifted.
[0035] The working principle of the utility model is:
[0036] Switching of the moving state: the bolt 10 is screwed, so that the universal wheel 12 contacts the ground, and the slide rod 2 is higher than the ground, at this time, the two fixed nuts 11 are tightened, so that the two fixed nuts 11 are tightly attached to the bottom frame 1, the bolt 10 is fixed on the bottom frame 1, and then the utility model is switched to the moving state, and vice versa, the bottom end of the slide rod 2 contacts the ground, so that the utility model is in the fixed state.
[0037] Sliding and fixing of the sleeve 4: when the gear tooth 7 on the limiting block 6 engages with the gear rack 3, and the bolt 17 is inserted into one of the two through holes 19, the sleeve 4 is in the fixed state; the bolt 17 is pulled out, the push rod 18 is pulled out, the gear tooth 7 is separated from the gear rack 3, and then the bolt 17 is inserted into the other of the two through holes 19, so that the sleeve 4 is in the sliding state.
[0038] In use, first, the utility model is switched to the mobile state, the utility model is pushed to the maintenance position, the sleeve 4 is switched to the sliding state, due to the blocking of the limiting plate 14, the sleeve 4 is located on the limiting plate 14, the jack is placed in the central position of the bottom frame 1, and the jack is continuously lifted, so that the output end of the jack is upwardly clamped on the pole 9, so that the four sleeves 4 are moved upwards, and the platform 21 is moved upwards, the stud 22 is inserted into the mounting hole of the large combustion chamber feeding sieve (if the stud 22 is not matched with the mounting hole, the utility model can be moved again to adjust until the stud 22 is inserted into the mounting hole, and the nut is screwed on the stud 22, and attention is paid not to be screwed tightly), at this time, the positioning is completed, the universal wheel 12 is lifted by screwing the bolt 10, so that the bottom end of the slide rod 2 contacts the ground, so that the utility model is switched to the fixed state. Continue to lift the platform 21 by the jack, tighten the nut on the stud 22, and continue to lift the platform 21 so as to hold up the large combustion chamber feeding sieve, and the sleeve 4 is switched to the fixed state, at this time, the replacement work of the wear-resistant rubber pipe is carried out.
[0039] After the wear-resistant rubber pipe is replaced, the sleeve 4 is switched to the sliding state, the platform 21 is lowered by the jack, the receiving frame 8 is abutted on the limiting plate 14, the utility model is switched to the mobile state, and the utility model is pushed to the storage place.
[0040] The above-described embodiments only describe the preferred embodiments of the utility model, and do not limit the design concept and scope of the utility model. Various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design concept of the utility model should fall within the protection scope of the utility model.
[0041] The technical, shape and structure parts not described in detail in the utility model are well-known technologies.
Claims
1. A maintenance device for a large fuel bin feeding vibrating screen, characterized in that, The system includes a base frame, on which four sliding rods are fixed. Each sliding rod is equipped with a rack and a sleeve. A limit box is fixed on the sleeve, and a limit block is inserted into the limit box. One end of the limit block is provided with teeth. The limit block passes through the limit box and the sleeve and engages with the rack. A receiving frame is welded together on the four sleeves, and a vertical rod is welded to the center of the bottom of the receiving frame.
2. The maintenance device for the large fuel bin feeding vibrating screen according to claim 1, characterized in that, The base frame is square, and the sliding rod is located at the four corners of the square structure of the base frame. The base frame is located at the bottom of the sliding rod near the top. Bolts are threaded through the four corners of the base frame near the sliding rod. Fixing nuts are threaded through the bolts on the top and bottom sides of the base frame. Universal wheels are fixed to the bottom of the bolts.
3. The maintenance device for the large fuel bin feeding vibrating screen according to claim 1, characterized in that, The slide bar is square in shape, with a square groove on one side near the upper position. The rack is located in the square groove and does not extend beyond the square groove. A limiting plate that is penetrated by the slide bar is fixed on the slide bar below the rack.
4. The maintenance device for the large fuel bin feeding vibrating screen according to claim 1, characterized in that, The sleeve has a square inner cavity and is open at both the top and bottom. The square inner cavity of the sleeve matches the outer contour of the slide rod. A square hole is opened on one side of the sleeve, and ear plates are provided on both sides of the sleeve.
5. The maintenance device for the large fuel bin feeding vibrating screen according to claim 4, characterized in that, The limiting box has a square inner cavity with one end open. The length and width of the inner cavity of the limiting box match the length and width of the square hole. A pin is inserted into the limiting box and passes through the upper and lower ends of the limiting box. Ear plates are provided on both sides of the limiting box. The sleeve and the limiting box are bolted together by the ear plates.
6. The maintenance device for the large fuel bin feeding vibrating screen according to claim 5, characterized in that, The limiting block has a toothed end that passes through the open end of the limiting box and the square hole and engages with the rack. The end of the limiting block away from the toothed end is threaded with a push rod that passes through the limiting box. The limiting block has two through holes, and a pin passes through either of the two through holes.
7. The maintenance device for the large fuel bin feeding vibrating screen according to claim 1, characterized in that, Several diagonal braces are also welded between the receiving frame and the upright.
8. The maintenance device for the large fuel bin feeding vibrating screen according to claim 1, characterized in that, A platform is welded onto the receiving frame, and several studs are welded onto the platform.