CN112934411A - Concrete crushing and screening equipment for hydraulic engineering - Google Patents
Concrete crushing and screening equipment for hydraulic engineering Download PDFInfo
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- CN112934411A CN112934411A CN202110212910.6A CN202110212910A CN112934411A CN 112934411 A CN112934411 A CN 112934411A CN 202110212910 A CN202110212910 A CN 202110212910A CN 112934411 A CN112934411 A CN 112934411A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses concrete crushing and screening equipment for hydraulic engineering, which structurally comprises a screening bin, a supporting column, a driving motor, a crushing box and a discharging groove, wherein the lower end of the screening bin is welded and connected with the top of the supporting column, the bottom of the crushing box is fixed with the upper surface of the driving motor through a bolt, the whole driving motor is in clearance fit with the inside of the screening bin, the left end of the screening bin is connected with the right end of the crushing box in a nested manner, the screening bin comprises a rotating plate, a crushing discharge port, a discharge groove, a belt and a rotary pressing knife, the rotary pressing knife drives a self-rotating roller in a phase-changing manner in a rotating process, so that a scraping plate drives a resonance plate under the driving of the self-rotating roller to form vibration, the resonance plate is stretched back and forth under the cooperation of a stretching pull rod, interference fit scraping is achieved, and vibration balls in the flexible pressing strip and an elastic plate are formed between the flexible pressing strip and the elastic plate under the cooperation of the sliding groove, so that viscous gel materials, the phase transformation accelerates the discharge of the crushed concrete.
Description
Technical Field
The invention relates to the field of water conservancy, in particular to concrete crushing and screening equipment for water conservancy projects.
Background
The hydraulic engineering refers to civil engineering which aims to eliminate hidden dangers and benefits and finally aims to control the reasonable utilization of surface water resources and underground water resources in the nature by building the hydraulic engineering, so that water flow is controlled under the cooperation of the hydraulic engineering, flood disasters are prevented, and water quantity is adjusted and distributed;
however, the prior art has the following defects: the utility model provides a current concrete crushing and screening equipment for hydraulic engineering, mainly smash the screening to the concrete of the water conservancy in-process usefulness, because the concrete is mainly by gelled material and water, sand, stone etc. proportional mixing, after getting into crushing and screening equipment, under gelled material self glues glutinous coagulability, glue on the bulkhead in its inside screening of equipment easily and attach, the concrete feed opening that leads to after the screening is blockked up by gelled material, and then the concrete pile that causes after crushing and screening reduces in interior storehouse discharge amount.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide concrete crushing and screening equipment for hydraulic engineering, and aims to solve the problem that the discharge amount of crushed and screened concrete accumulated in an inner bin is reduced due to the fact that concrete is mainly mixed by a cementing material, water, sand, stones and the like in proportion and enters the crushing and screening equipment, and then the cementing material is easily adhered to the inner bin wall of the equipment in the self-adhesion and solidification mode, so that the screened concrete discharge port is blocked by the cementing material.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a concrete crushing and screening equipment for hydraulic engineering, its structure is including screening storehouse, support column, driving motor, crushing case, lower silo, screening storehouse lower extreme and support column top welded connection, it is fixed with driving motor upper surface bolt to smash bottom of the case portion, driving motor is whole with the inside clearance fit of screening storehouse, it is connected with the whole consolidation of lower silo to smash the roof portion, screening storehouse left end and crushing case right-hand member nested connection, screening storehouse includes rotor plate, arranges garrulous mouthful, bin outlet, belt, rotary pressing sword, rotor plate lower extreme and bin outlet top clearance fit, bin outlet right-hand member and the interior end clearance fit of row garrulous mouth, arrange the inside and rotor plate surface clearance fit of garrulous mouth, rotor plate left end and rotary pressing sword right-hand member clearance fit, rotary pressing sword outer end left end and the whole clearance fit of belt.
The invention is further improved, the rotating plate comprises a scraping plate, a connecting end and a rotation roller, the inner end of the scraping plate is fixedly connected with the inside of the connecting end in an embedded mode, the connecting end is fixed with the surface of the rotation roller through bolts, the outer end of the rotation roller is in clearance fit with the scraping plate integrally, the scraping plate is provided with two rows, and the bottom of the scraping plate is fixed through bolts inside the connecting end.
The invention is further improved, the scraping plate comprises a resonance plate, limiting blocks, telescopic pull rods and fixing bolts, two ends of the resonance plate are connected with the inner sides of the limiting blocks in a clamping mode, the upper surface of each limiting block is fixed with the fixing bolt integrally, the tops of the fixing bolts are connected with the telescopic pull rods integrally in a nesting mode, the bottoms of the telescopic pull rods are movably matched with the interiors of the limiting blocks, and two groups of resonance plates are movably clamped through the inner walls of the limiting blocks at two ends.
The vibration damper is further improved, the resonance plate comprises vibration balls, flexible pressing strips, sliding grooves and elastic plates, the vibration balls are integrally and slidably matched with the inner portions of the sliding grooves, the top ends of the sliding grooves are movably matched with the inner walls of the flexible pressing strips, the bottoms of the flexible pressing strips are in clearance fit with the inner ends of the elastic plates, the inner walls of the elastic plates are integrally and movably matched with the vibration balls, and the two vibration balls are distributed in the sliding grooves for sliding fit.
The invention is further improved, the discharge groove comprises an elastic wall, a filter screen, a feed inlet and a bearing groove, the surface of the elastic wall is in integral movable fit with the bearing groove, the bottom of the bearing groove is in integral movable fit with the filter screen, two ends of the filter screen are fixedly embedded with the bottom of the elastic wall, the surface of the elastic wall is in clearance fit with the lower end of the feed inlet, and the elastic wall is distributed at the left end and the right end of the bearing groove and is in clearance fit with the lower end of the feed inlet.
The invention is further improved, the elastic wall comprises three pressure elastic rings and a fixed wall, the bottom of each pressure elastic ring is fixedly embedded with the upper surface of the fixed wall, and the three pressure elastic rings are distributed on the upper surface of the fixed wall for embedded connection and are integrally semicircular.
The pressure elastic ring is further improved, the pressure elastic ring comprises a reversing strip, a limiting rope and a spring strip, the right end of the reversing strip is connected with the bottom of the spring strip in a welding mode, the top end of the spring strip is connected with the top of the limiting rope in a nested mode, the upper end of the limiting rope is in clearance fit with the inner wall of the reversing strip, and the spring strip is integrally C-shaped and distributed at the top end of the inner side of the reversing strip for welding connection.
The invention is further improved, the reversing strip comprises a clamping block, a swinging strip and a pressure spring, the outer surface of the clamping block is fixedly connected with the tail end of the swinging strip in an embedded mode, the bottom of the swinging strip is in clearance fit with the inner end of the pressure spring, two ends of the pressure spring are connected with the inner wall of the clamping block in a clamping mode, and the pressure spring is distributed on the inner wall of the clamping block in a direct clamping mode and is in clearance fit with the swinging strip at the top end of the clamping block.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects;
1. according to the invention, the rotating roller is driven in a phase-changing manner in the rotating process through the rotating knife, so that the scraping plate drives the resonance plate under the driving of the rotating roller to form vibration, the flexible pressing strip and the elastic plate are vibrated by the internal vibration ball under the matching of the sliding groove, and accordingly, viscous gelled materials are scraped and pushed, and the discharge of crushed concrete is accelerated in a phase-changing manner.
2. According to the invention, the pressure elastic ring on the surface of the elastic wall is driven by pressure to compress the inner spring strip, so that the direction changing strip is adjusted under the limitation of the limiting rope, the clamping block swings back and forth under the coordination of the inner pressure spring, crushed concrete powder in the bearing groove is impacted back and forth, and the problem that the concrete is solidified due to secondary adhesion of a cementing material is effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of concrete crushing and screening equipment for hydraulic engineering.
Fig. 2 is a schematic view of the internal structure of the screening bin of the present invention.
Fig. 3 is a schematic view of the internal structure of the rotating plate of the present invention.
FIG. 4 is a schematic view of the internal structure of the wiper blade according to the present invention.
Fig. 5 is a schematic view of the internal structure of the resonator plate according to the present invention.
FIG. 6 is a schematic view showing the internal structure of the discharge chute of the present invention.
Fig. 7 is a schematic view of the internal structure of the elastic wall of the present invention.
Fig. 8 is a schematic view of the internal structure of the pressure elastic ring of the present invention.
Fig. 9 is a schematic view of the internal structure of the commutation strip of the present invention.
In the figure: a screening bin-1, a supporting column-2, a driving motor-3, a crushing box-4, a blanking slot-5, a rotating plate-11, a crushing discharge opening-12, a discharge slot-13, a belt-14, a rotary pressing knife-15, a scraping plate-111, a connecting end-112, a self-rotating roller-113, a resonance plate-a 1, a limiting block-a 2, a telescopic pull rod-a 3, a fixing bolt-a 4, a vibrating ball-a 11, a flexible pressing strip-a 12, a sliding groove-a 13, a spring plate-a 14, a spring wall-131, a filter screen-132, a feed inlet-133, a bearing slot-134, a pressure spring ring-b 1, a fixing wall-b 2, a reversing strip-b 11, a limiting rope-b 12, a spring strip-b 13, a clamping block-c 1, a swinging strip-c 2, a rotating plate-11, a telescopic pull rod, Pressure spring-c 3.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention is further described below with reference to the accompanying drawings:
example 1
As shown in figures 1 to 5:
the structure of the utility model comprises a screening bin 1, a support column 2, a driving motor 3, a crushing box 4 and a blanking groove 5, the lower end of the screening bin 1 is welded with the top of the support column 2, the bottom of the crushing box 4 is fixed with the upper surface of the driving motor 3 by bolts, the whole driving motor 3 is in clearance fit with the inside of the screening bin 1, the top of the crushing box 4 is integrally and fixedly connected with the blanking groove 5, the left end of the screening bin 1 is connected with the right end of the crushing box 4 in a nested manner, the screening bin 1 comprises a rotating plate 11, a crushing discharge port 12, a discharge groove 13, a belt 14 and a rotary pressing knife 15, the lower end of the rotating plate 11 is in clearance fit with the top of the discharge groove 13, the right end of the discharge groove 13 is in clearance fit with the inner end of the crushing discharge port 12, the inside of the shredding port 12 is movably matched with the surface of the rotating plate 11, the left end of the rotating plate 11 is in clearance fit with the right end of the rotary pressing knife 15, and the left end of the outer end of the rotary pressing knife 15 is integrally and movably matched with the belt 14.
The rotating plate 11 comprises a scraping plate 111, a connecting end 112 and a rotation roller 113, the inner end of the scraping plate 111 is fixedly connected with the inside of the connecting end 112, the connecting end 112 is fixed with the surface of the rotation roller 113 through bolts, the outer end of the rotation roller 113 is in clearance fit with the whole scraping plate 111, the scraping plate 111 is provided with two rows, the bottom of the scraping plate is fixed through the bolts inside the connecting end 112, and the rotation roller 113 is beneficial to driving the scraping plate 111 under driving so as to scrape the gel material on the inner cavity wall.
Wherein, the wiping plate 111 includes resonance plate a1, stopper a2, flexible pull rod a3, gim peg a4, resonance plate a1 both ends are connected with the inboard block of stopper a2, stopper a2 upper surface and gim peg a4 whole bolt fastening, gim peg a4 top and the whole nested connection of flexible pull rod a3, flexible pull rod a3 bottom and stopper a2 inside movable fit, resonance plate a1 is equipped with two sets ofly, carries out the activity block through both ends stopper a2 inner wall, and wherein flexible pull rod a3 is favorable to making a round trip to flexible pull rod a3 under the inside movable fit of stopper a2 to carry out the interval regulation through flexible pull rod a3 under the effect of centrifugal force to resonance plate a 1.
The resonance plate a1 comprises a vibration ball a11, a flexible pressing strip a12, a sliding groove a13 and an elastic plate a14, the vibration ball a11 is integrally in sliding fit with the inside of the sliding groove a13, the top end of the sliding groove a13 is in movable fit with the inner wall of the flexible pressing strip a12, the bottom of the flexible pressing strip a12 is in clearance fit with the inner end of the elastic plate a14, the inner wall of the elastic plate a14 is in integral movable fit with the vibration ball a11, the vibration ball a11 is provided with two parts which are distributed inside the sliding groove a13 and in clearance fit with the elastic plate a14 and the flexible pressing strip a12, and the flexible pressing strip a12 is beneficial to triggering the vibration ball a11 after the internal materials are squeezed in the internal screening process so as to vibrate the elastic plate a 14.
The specific working principle is as follows:
the invention puts the concrete into the discharging groove 5, drives the rotary pressing knife 15 in the crushing box 4 under the drive of the drive motor 3 and the belt 14, after crushing, the material enters the screening bin 1 at the top end of the support column 2 and is driven by the belt 14 to rotate in cooperation with the rotating plate 11, screens the crushed concrete, discharges the concrete which does not reach the standard size from the discharging opening 12, falls into the discharging groove 13 when reaching the standard size, the scraping plate 111 is fixed by the connecting end 112 under the drive of the rotation roller 113, so that the resonance plate a1 is driven by the rotation centrifugal force to make the telescopic pull rod a3 and the fixed bolt a4 to be matched and telescopic under the accompanied of the limit block a2, the vibration ball a11 in the inner part slides back and forth in the sliding groove a13, and the flexible pressing bar a12 at the outer end forms impact resonance to the elastic plate a14 under the matching of the raw material at the outer end, the vibrating plate pushes the cementing material adhered to the inner wall through the vibration of the elastic plate a14 so as to accelerate the discharge of the crushed powder, the rotating roller 113 is driven by the rotating knife 15 in a phase-changing manner in the rotating process, so that the resonance plate a1 is driven by the rotating roller 113 to form vibration, the resonance plate a1 is driven by the scraping plate 111 to stretch back and forth under the cooperation of the telescopic pull rod a3 so as to achieve the scraping of interference fit, and the vibration ball a11 in the vibration plate enables the flexible pressing strip a12 and the elastic plate a14 to form vibration under the cooperation of the sliding groove a13, so that the scraping pushing is carried out on the cementing material with the viscosity, and the discharge of the crushed concrete is accelerated in a phase-changing manner.
Example 2:
as shown in fig. 6 to 9:
wherein, arrange material tank 13 and include elastic wall 131, filter screen 132, feed inlet 133, bearing groove 134, elastic wall 131 surface and the whole movable fit of bearing groove 134, the whole movable fit of bearing groove 134 bottom and filter screen 132, filter screen 132 both ends are connected with elastic wall 131 bottom is embedded firmly, elastic wall 131 surface and feed inlet 133 lower extreme clearance fit, both ends about elastic wall 131 distributes bearing groove 134, through carrying out clearance fit with feed inlet 133 lower extreme, wherein filter screen 132 is favorable to screening the powder after the concrete crushing that sieves out to the thick and thin accuse of concrete.
The elastic wall 131 comprises three pressure elastic rings b1 and a fixed wall b2, the bottoms of the pressure elastic rings b1 are fixedly connected with the upper surface of the fixed wall b2 in an embedded manner, the number of the pressure elastic rings b1 is three, the three pressure elastic rings are distributed on the upper surface of the fixed wall b2 in an embedded manner, and the whole pressure elastic rings are in a semicircular shape, wherein the pressure elastic rings b1 are beneficial to being movably matched under the downward pressure of raw materials, so that the pressure elastic rings b1 are pressed to swing back and forth.
The pressure elastic ring b1 comprises a reversing bar b11, a limiting rope b12 and a spring bar b13, the right end of the reversing bar b11 is connected with the bottom of the spring bar b13 in a welded mode, the top end of the spring bar b13 is connected with the top of the limiting rope b12 in a nested mode, the upper end of the limiting rope b12 is in clearance fit with the inner wall of the reversing bar b11, the spring bar b13 is integrally C-shaped and is distributed at the top end of the inner side of the reversing bar b11 in a welded mode, the limiting rope b12 is favorable for being fixedly connected with the top end of the spring bar b13 in an embedded mode, and the spring bar b13 is limited in an included angle when pressed downwards.
The reversing bar b11 comprises a clamping block c1, a swinging bar c2 and a pressure spring c3, the outer surface of the clamping block c1 is fixedly connected with the tail end of the swinging bar c2 in an embedded mode, the bottom of the swinging bar c2 is in clearance fit with the inner end of the pressure spring c3, two ends of the pressure spring c3 are in clamping connection with the inner wall of the clamping block c1, the pressure springs c3 are distributed on the inner wall of the clamping block c1 in a direct clamping connection mode and are in clearance fit with the swinging bar c2 at the top end of the clamping block c1, the pressure spring c3 facilitates angle adjustment of the swinging bar c2, and the clamping fit of the clamping block c1 is used for adjusting the matching angle of the swinging bar c 2.
The specific working principle is as follows:
the concrete dust scraped by the scraping plate 111 is discharged so as to enter the bearing groove 134 through the feeding hole 133 for bearing, in order to prevent the concrete from being secondarily bonded after being screened, so that the concrete can swing back and forth under the pressure of gravity through the elastic wall 131, and finally the concrete can be screened under the coordination of the filter screen 132, the pressure elastic ring b1 at the top of the fixed wall b2 is pressed through the spring strip b13 after being pressed, in order to avoid the overlarge elasticity of the spring strip b13, the range of the spring strip b13 is limited by the limiting rope b12, the reversing strip b11 swings under the pressure of the pressure, the swinging strip b2 is forced to perform angle adjustment on the pressure spring c3 inside the clamping block c1, so that the swinging strip c2 swings and impacts the crushed concrete under the back and forth swinging, so as to push the powder falling into the bearing groove 134, and avoid the cementing material from gathering together and generating secondary solidification, according to the invention, the pressure elastic ring b1 on the surface of the elastic wall 131 is used for pressing the inner spring strip b13 under the driving of pressure, so that the direction changing strip b11 is adjusted under the limitation of the limiting rope b12, the clamping block c1 swings back and forth through the swinging strip c2 under the coordination of the inner pressure spring c3, the crushed concrete powder in the bearing groove 134 is impacted back and forth, and the problem that the concrete is secondarily bonded and solidified due to a cementing material is effectively avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a concrete crushing and screening equipment for hydraulic engineering, its structure includes screening storehouse (1), support column (2), driving motor (3), smashes case (4), feed chute (5), screening storehouse (1) lower extreme and support column (2) top welded connection, it is fixed with driving motor (3) upper surface bolt to smash case (4) bottom, driving motor (3) whole and screening storehouse (1) inside clearance fit, smash case (4) top and feed chute (5) whole built-in connection down, screening storehouse (1) left end and crushing case (4) right-hand member nested connection, its characterized in that:
screening storehouse (1) includes rotor plate (11), arranges garrulous mouth (12), row's silo (13), belt (14), commentaries on classics pressing knife (15), rotor plate (11) lower extreme and row silo (13) top clearance fit, arrange silo (13) right-hand member and arrange garrulous mouthful (12) inner clearance fit, arrange garrulous mouthful (12) inside and rotor plate (11) surface clearance fit, rotor plate (11) left end and commentaries on classics pressing knife (15) right-hand member clearance fit, commentaries on classics pressing knife (15) outer end left end and the whole clearance fit of belt (14).
2. The concrete crushing and screening equipment for hydraulic engineering according to claim 1, characterized in that: the rotating plate (11) comprises a scraping plate (111), a connecting end (112) and a self-rotating roller (113), the inner end of the scraping plate (111) is fixedly embedded in the connecting end (112), the connecting end (112) is fixed with the surface of the self-rotating roller (113) through bolts, and the outer end of the self-rotating roller (113) is in clearance fit with the whole scraping plate (111).
3. The concrete crushing and screening equipment for hydraulic engineering according to claim 2, characterized in that: the wiper plate (111) includes resonance plate (a1), stopper (a2), flexible pull rod (a3), gim peg (a4), resonance plate (a1) both ends are connected with stopper (a2) inboard block, stopper (a2) upper surface and gim peg (a4) whole bolt fastening, gim peg (a4) top and flexible pull rod (a3) whole nested connection, flexible pull rod (a3) bottom and stopper (a2) inside clearance fit.
4. The concrete crushing and screening equipment for hydraulic engineering according to claim 3, characterized in that: resonance board (a1) is including vibrations ball (a11), flexible layering (a12), spout (a13), elastic plate (a14), vibrations ball (a11) is whole with spout (a13) inside sliding fit, spout (a13) top and flexible layering (a12) inner wall clearance fit, flexible layering (a12) bottom and elastic plate (a14) inner end clearance fit, elastic plate (a14) inner wall and the whole clearance fit of vibrations ball (a 11).
5. The concrete crushing and screening equipment for hydraulic engineering according to claim 1, characterized in that: arrange silo (13) and include elasticity wall (131), filter screen (132), feed inlet (133), bearing groove (134), elasticity wall (131) surface and the whole clearance fit of bearing groove (134), bearing groove (134) bottom and the whole clearance fit of filter screen (132), filter screen (132) both ends are connected with elasticity wall (131) bottom embedded solid, elasticity wall (131) surface and feed inlet (133) lower extreme clearance fit.
6. The concrete crushing and screening equipment for hydraulic engineering according to claim 5, characterized in that: the elastic wall (131) comprises a pressure elastic ring (b1) and a fixed wall (b2), and the bottom of the pressure elastic ring (b1) is fixedly embedded with the upper surface of the fixed wall (b 2).
7. The concrete crushing and screening equipment for hydraulic engineering according to claim 6, characterized in that: pressure bullet ring (b1) is including switching-over strip (b11), spacing rope (b12), spring strip (b13), switching-over strip (b11) right-hand member and spring strip (b13) bottom welded connection, spring strip (b13) top and spacing rope (b12) top nested connection, spacing rope (b12) upper end and switching-over strip (b11) inner wall clearance fit.
8. The concrete crushing and screening equipment for hydraulic engineering according to claim 7, characterized in that: the reversing bar (b11) comprises a clamping block (c1), a swinging bar (c2) and a pressure spring (c3), the outer surface of the clamping block (c1) is fixedly connected with the tail end of the swinging bar (c2), the bottom of the swinging bar (c2) is in clearance fit with the inner end of the pressure spring (c3), and the two ends of the pressure spring (c3) are connected with the inner wall of the clamping block (c1) in a clamping mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110212910.6A CN112934411A (en) | 2021-02-25 | 2021-02-25 | Concrete crushing and screening equipment for hydraulic engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110212910.6A CN112934411A (en) | 2021-02-25 | 2021-02-25 | Concrete crushing and screening equipment for hydraulic engineering |
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| CN112934411A true CN112934411A (en) | 2021-06-11 |
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| CN202110212910.6A Withdrawn CN112934411A (en) | 2021-02-25 | 2021-02-25 | Concrete crushing and screening equipment for hydraulic engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850135A (en) * | 2022-04-13 | 2022-08-05 | 广州逸在智能科技有限公司 | Intelligent dry ice cleaning machine |
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