CN210336377U - Concrete curing box with cleaning device - Google Patents

Abstract

The utility model discloses a concrete curing box with cleaning device, its technical scheme main points are: the cleaning device comprises a scraping and brushing mechanism for scraping and brushing the surfaces of the sample racks and a spray washing mechanism for spray washing the surfaces of the sample racks; the spray rinsing mechanism comprises spray rinsing heads arranged on two inner side walls of the maintenance box body, a water tank arranged at the bottom of the maintenance box body, a first water pump communicated with the water tank, a water outlet pipe communicated with a water outlet of the first water pump, and a sewage tank arranged at the bottom of the maintenance box body and used for receiving waste water, wherein the other end of the water outlet pipe is communicated with the spray rinsing heads. The utility model has the advantages that: the residue on the sample rack can be automatically cleaned, and the labor consumption of manual cleaning is reduced.

Description

Concrete curing box with cleaning device

Technical Field

The utility model relates to a concrete curing equipment field, concretely relates to concrete curing box with cleaning device.

Background

The concrete curing box is a constant temperature and humidity curing box which is required to be used when a concrete test piece is subjected to a curing test.

The test mould is once packed into after the concrete stirring, and concrete mixture height test mould mouth this moment vibrates the test piece surface with the shaking table and goes out the thick liquid, strikes off the unnecessary concrete of test mould upper shed, and the trowel trowels floating test piece surface will be equipped with the test mould of test piece and put into the maintenance case maintenance. When the concrete test piece is manufactured, the vibration of the vibration table and the scraping of redundant concrete can cause concrete residues to be adhered to the wall and the bottom of the test mold. The test mould carries out the maintenance test in the maintenance case when, the concrete residue on the test mould glues on the sample frame of maintenance case, it is tired day by day, the surface of sample frame becomes roughly uneven, and the test piece of just strickleing off has certain moulding, the sample frame is uneven then leads to the concrete surface in the test mould uneven, the mortar flow among the easy messenger concrete test piece warp, the test piece that the maintenance was come out can not reach standard requirement, the resistance to compression rupture strength value and the test result to the cement test piece has all caused certain influence, lead to test data and actual value to have very big deviation. Therefore, cleaning and maintenance of the curing box are necessary.

At present, the washing of curing box mainly relies on the manual washing of manpower to solve, has the multilayer because of the sample frame, needs the washing of one deck, and the cleaning process is wasted time and energy, reduces work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete curing box with cleaning device, its advantage can be automatic clean the residue on the sample frame, has reduced artifical abluent labour consumption.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a concrete curing box with a cleaning device comprises a curing box body and a plurality of sample racks horizontally arranged in the curing box body, wherein the cleaning device for cleaning the surfaces of the sample racks is arranged in the curing box body, and comprises a scraping and brushing mechanism for scraping and brushing the surfaces of the sample racks and a spray-washing mechanism for spray-washing the surfaces of the sample racks;

the scraping and brushing mechanism comprises a moving rod arranged above each sample rack, bristles fixedly connected to the moving rod for scraping and brushing the surface of each sample rack, and driving components arranged at two ends of the moving rod for driving the moving rod to reciprocate for scraping and brushing the surface of each sample rack;

the spray rinsing mechanism comprises spray rinsing heads arranged on two inner side walls of the maintenance box body, a water tank arranged at the bottom of the maintenance box body, a first water pump communicated with the water tank, a water outlet pipe communicated with a water outlet of the first water pump, and a sewage tank arranged at the bottom of the maintenance box body and used for receiving waste water, wherein the other end of the water outlet pipe is communicated with the spray rinsing heads.

Through the technical scheme, concrete curing box accomplishes the back to the maintenance of concrete test block at every turn, the residue on concrete test block surface can drop on the sample frame, the staff drives the carriage release at sample frame surface reciprocating motion through drive assembly this moment, thereby it scrapes the brush to drive the reciprocal sample frame surface of brush hair, when the brush hair is scraped to the brush hair, first water pump starts, thereby it spouts the brush that is cooperating the brush hair to drive the liquid isomorphic spray head in the water tank at the surface of sample frame, more easily wash the residue on sample frame surface, this process has not only reduced artifical clear labour consumption, the cleaning efficiency has also been improved, the waste water that produces in the cleanness can drop in the bilge pit of curing box body bottom, thereby retrieve waste water, subsequent centralized processing of being convenient for.

The utility model discloses further set up to: one side of effluent water sump is provided with the waste water recovery subassembly, and the weeping hole has been seted up to the effluent water sump bottom, the waste water recovery subassembly includes the second water pump, and second water pump water inlet is connected with first connecting pipe, and the other end and the weeping hole of first connecting pipe communicate each other, and the delivery port of second water pump is connected with the second connecting pipe, and the other end and the inside intercommunication of water tank of second connecting pipe each other.

Through above-mentioned technical scheme, waste water recovery subassembly during operation, the second water pump starts to drive the waste water in the bilge pit and loop through first connecting pipe, the second connecting pipe enters into the water tank, thereby makes waste water obtain cyclic utilization, thereby has saved the water resource.

The utility model discloses further set up to: a filtering component for filtering the waste residue is arranged in the sewage tank,

the filtering component comprises a supporting bracket arranged in the sewage tank; the supporting block is arranged below the supporting bracket and used for supporting the supporting bracket, and the supporting block is fixedly connected with the inner wall of the sewage tank; a filter screen is laid on the support bracket; the support bracket is also provided with a fixing component for fixing the filter screen.

Through the technical scheme, the work of jetter spun water is spouted to the residue on sample frame surface, and can be mingled with the residue in the water after the cleanness and flow into the bilge pit, waste water at first can pass through the filtration of filter screen to make the residue store up on the surface of filter screen, and the water after the filtration can enter into the water tank through the work of second water pump, has not had the residue in the bilge pit, thereby avoided the influence of waste residue to second water pump work, ensured the normal work of waste water recovery subassembly.

The utility model discloses further set up to: the fixed subassembly is including pasting a plurality of first magnet of establishing at each border of support bracket to and the second magnet of mutually supporting with first magnet, the filter screen presss from both sides and establishes between first magnet and second magnet.

Through above-mentioned technical scheme, inhale through the mutual magnetism of first magnet and second magnet for the filter screen is fixed more firm, and the staff of also being convenient for moreover dismantles the filter screen, cleans and changes the filter screen.

The utility model discloses further set up to: the bearing bracket comprises an annular frame and a plurality of auxiliary supporting rods arranged in the annular frame, the two ends of each auxiliary supporting rod are fixedly connected with the annular frame, and the first iron absorbing stones are fixed on the first iron absorbing stones.

Through above-mentioned technical scheme, the annular frame has played the supporting role to the border of filter screen, and supplementary bracing piece has played supplementary supporting role to the middle part region of filter screen, has ensured the stability of filter screen during operation.

The utility model discloses further set up to: the bottom surface of the sewage tank is obliquely arranged towards the direction of the liquid leakage hole, so that the liquid leakage hole is positioned at the lowest point of the sewage tank.

Through above-mentioned technical scheme, the weeping hole is located the minimum of bilge pit to liquid in the bilge pit has played the drainage effect, and the waste water of reducible bilge pit is remained, and the staff of being convenient for carries out cleaning work to the bilge pit.

The utility model discloses further set up to: the filter that the weeping was equipped with the back taper in the downthehole card of weeping, evenly seted up a plurality of on the filter and be used for the filtration hole of weeping.

Through above-mentioned technical scheme, the setting of filter has played secondary filter's effect to waste water to when making the waste water in the sewage tank pass through the weeping hole, obtained the filtration once more, ensured the normal work of second water pump.

The utility model discloses further set up to: the driving assembly comprises a limiting rod and a screw rod which are horizontally arranged on the left side and the right side of the movable rod and are parallel to each other, two ends of the limiting rod are fixedly connected with the inner wall of the curing box body, and the limiting rod is connected with the movable rod in a sliding manner; two ends of the screw are rotatably connected with the inner wall of the curing box body, and the screw is in threaded connection with the movable rod; and one end of the screw rod is provided with a driving motor for driving the screw rod to rotate.

Through the technical scheme, start driving motor, drive the bolt and rotate, threaded connection through screw rod and carriage release lever, and make the carriage release lever under the restriction of gag lever post, slide along the length direction of gag lever post, thereby make the brush hair on carriage release lever surface scrape and rub the sample rack surface, through driving motor's corotation or reversal, thereby make the reciprocal brush of brush hair rub the sample rack surface, make the surperficial residue of sample clear up very easily, thereby reduced artifical clear labour consumption.

To sum up, the utility model discloses following beneficial effect has:

and firstly, the waste of water resources is reduced. The wastewater after cleaning is recycled and reused by the arrangement of the wastewater recycling component;

and secondly, the efficiency of filtering the wastewater is improved. Through the double filtration of filter screen and filter, ensured that the waste water residue through weeping hole still less, ensured the normal work of second water pump.

Drawings

FIG. 1 is a schematic view showing the overall structure of a concrete curing box;

FIG. 2 is a schematic view showing the internal structure of the housing case;

FIG. 3 is an enlarged view of detail A of FIG. 2;

FIG. 4 is a schematic structural diagram embodying a drive assembly;

FIG. 5 is a schematic view showing the positional relationship of the driving motor;

FIG. 6 is a schematic view showing the connection relationship between the connecting block and the connecting shaft;

FIG. 7 is a schematic view showing the construction of a wastewater reclamation assembly;

FIG. 8 is an exploded view of an embodiment of a filter assembly;

fig. 9 is a schematic view showing the structure of the filter.

In the figure, 1, a curing box body; 11. a placement port; 12. a sealing door; 13. a sample holder; 14. a support strip; 2. placing the shell; 3. a cleaning device; 4. a scraping and brushing mechanism; 41. a travel bar; 42. brushing; 43. a flexible scraper; 44. a drive assembly; 441. a limiting rod; 442. a screw; 443. a drive motor; 45. a connecting shaft; 46. connecting blocks; 461. a limiting groove; 462. a slideway; 47. a gear; 48. a strip rack; 5. a spray rinsing mechanism; 51. spraying and washing the head; 52. a water tank; 53. a first water pump; 54. a water inlet pipe; 55. a water outlet pipe; 6. a sewage tank; 61. a weep hole; 7. a filter assembly; 71. a support bracket; 711. an annular frame; 712. an auxiliary support bar; 72. filtering with a screen; 73. a fixing assembly; 731. a first iron absorbing stone; 732. a second magnet; 74. a support block; 8. a wastewater recovery assembly; 81. a second water pump; 82. a first connecting pipe; 83. a second connecting pipe; 9. a filter; 91. and (4) filtering holes.

Detailed Description

The utility model provides a concrete curing box with cleaning device, as shown in fig. 1 and 2, including curing box body 1, curing box body 1 is embedded to be equipped with and to place shell 2, leaves the space between placing shell 2 and the curing box body 1 inner wall, curing box body 1's one side set up with place the inside mouth 11 of placing that communicates each other of shell 2 to it has sealing door 12 that will place the opening and closing of mouth 11 to articulate on curing box body 1.

As shown in fig. 2 and 3, three layers of sample racks 13 for holding concrete sample blocks are horizontally arranged in the housing case 2 and are uniformly distributed along the height direction of the housing case 2. Put and respectively on the relative both sides inner wall in the shell 2 rigid coupling have a bearing strip 14, and sample frame 13 is placed on two sample frames 13 for sample frame 13 places more steadily.

As shown in fig. 2, a cleaning device 3 for removing impurities from the surfaces of the sample holders 13 is disposed in the housing 2, and the cleaning device 3 includes a wiping mechanism 4 (shown in fig. 4) disposed above each sample holder 13 for wiping the surfaces of the sample holders 13 by friction and a spraying mechanism 5 disposed on the surface of each sample holder 13 for spraying the sample holders 13.

As shown in fig. 4, the wiper mechanism 4 includes a moving bar 41 horizontally disposed above each sample rack 13, the moving bar 41 having a cylindrical shape; three rows of bristles 42 are fixedly connected to the peripheral surface of the moving rod 41, and the bristles 42 are distributed along the length direction of the moving rod 41; a row of flexible scrapers 43 made of rubber is arranged between every two rows of bristles 42, the flexible scrapers 43 are fixedly connected with the moving rod 41 along the length direction of the moving rod 41, and driving assemblies 44 (shown in FIG. 4) for driving the moving rod 41 to move the scraping brush on the surface of the sample holder 13 are arranged at two ends of the moving rod 41.

As shown in fig. 4 and 5, a connecting shaft 45 (shown in fig. 6) is fixed to each end of the moving rod 41, and the two connecting shafts 45 are disposed coaxially with the moving rod 41; the moving rod 41 is provided at both ends thereof with a connecting block 46, and each connecting block 46 is provided at one side thereof facing the connecting shaft 45 with a limiting groove 461 (shown in fig. 6) for accommodating the rotation of the connecting shaft 45. The driving assembly 44 includes a limiting rod 441 and a screw rod 442 disposed at both sides of the moving rod 41, the limiting rod 441 and the screw rod 442 are parallel to each other and disposed perpendicular to the moving rod 41, both ends of the limiting rod 441 are fixedly connected to the inner wall of the housing 2, and both ends of the screw rod 442 are rotatably connected to the inside of the housing 2. The limiting rod 441 penetrates through the connecting block 46 at the same side as the limiting rod 441 and is connected with the connecting block 46 in a sliding manner; the screw 442 passes through the connecting block 46 on the same side as the screw 442 and is screw-coupled to the connecting block 46. And a driving motor 443 is fixed to the back of the placing shell 2, and the driving motor 443 penetrates through the placing shell 2 and is in threaded connection with the screw 442.

When the scraping and brushing mechanism 4 works, the driving assembly 44 is activated, so as to drive the screw 442 to rotate, and the movable rod 41 is driven to scrape and brush along the length direction of the limiting rod 441 through the threaded connection between the screw 442 and one of the connecting blocks 46 and under the restriction between the other connecting block 46 and the limiting rod 441, so that the bristles 42 are in contact with the surface of the sample holder 13, and impurities on the surface of the sample holder 13 can be conveniently brushed away. The brush 42 is driven to reciprocate by the forward rotation or the reverse rotation of the drive motor 443, and the sample holder 13 is wiped.

As shown in fig. 4, a gear 47 is coaxially and fixedly connected to the circumferential surface of each moving rod 41, and a bar-shaped rack 48 meshed with the gear 47 is fixedly connected to an inner wall of the housing 2 along the length direction of the screw 442, in the moving process of the moving rods 41, because the moving rods 41 are rotatably connected to the two connecting blocks 46, the moving rods 41 are driven to rotate between the two connecting blocks 46 through the mutual meshing of the gear 47 and the bar-shaped rack 48, so that the rows of bristles 42 and the rows of flexible scrapers 43 perform reciprocating scraping on the surface of the sample rack 13, the frequency of brushing on the surface of the sample rack 13 is increased, and the cleaning efficiency on the surface of the sample rack 13 is also increased.

As shown in fig. 6, a slide 462 is disposed on one side of the connecting block 46 where the limiting groove 461 is disposed, the connecting shaft 45 is conveniently detached, one end of the slide 462 is communicated with the limiting groove 461, and the other end of the slide 462 penetrates through the upper surface of the connecting block 46. And the length of the screw 442 is longer than the length of the bar-shaped rack 48. When the moving rod 41 moves to a state that the gear 47 is not engaged with the rack, the connecting shaft 45 is taken out of the slide 462 of the connecting block 46, so that the worker can conveniently maintain and clean the bristles 42 on the moving rod 41.

As shown in fig. 2, the spray washing mechanism 5 includes two rows of spray washing heads 51 disposed above each layer of the sample racks 13, three spray washing heads 51 are disposed in each row and embedded in the inner walls of the two sides of the placing case 2, and the spray washing heads 51 are disposed obliquely toward the direction adjacent to the sample racks 13; a water tank 52 is placed on one side of the curing box body 1, a first water pump 53 is arranged beside the water tank 52, a water inlet end of the first water pump 53 is fixedly connected with a water inlet pipe 54, the other end of the water inlet pipe 54 is communicated with the inside of the water tank 52, a water outlet end of the first water pump 53 is fixedly connected with a water outlet pipe 55, and the other end of the water outlet pipe 55 is communicated with all the spray-washing heads 51. When the spray washing mechanism 5 works, the first water pump 53 is started, so that the cleaning water in the water tank 52 is driven to be pumped into all the spray washing heads 51 through the water inlet pipe 54 and the water outlet pipe 55, and the cleaning liquid is sprayed out of all the spray washing heads 51, and the spray washing heads 51 are fan-shaped nozzles, so that the spraying radiation area of the cleaning liquid sprayed out by the spray washing heads 51 is wider, the cleaning efficiency of the surface of the sample frame 13 is improved by matching with the scraping and brushing of the brush bristles 42 on the surface of the sample frame 13, and the surface of the sample frame 13 is automatically cleaned under the combined action of the scraping and brushing mechanism 4 and the spray washing mechanism 5, so that the cleaning efficiency of the surface of the sample frame 13 is improved, and the labor consumption is reduced.

As shown in fig. 7, a sewage tank 6 is disposed at the bottom of the housing 2, the size of the opening of the sewage tank 6 is the same as the size of the inner cross section of the housing 2, and the washing water sprayed from the spray washing head 51 flows into the sewage tank 6 together with impurities on the surface of the sample rack 13, thereby recovering the waste water. The sewage tank 6 is also provided with a filtering component 7 for filtering the waste water and a waste water recovery component 8 for recovering and utilizing the sewage.

As shown in fig. 7 and 8, the filtering unit 7 includes a support bracket 71 horizontally disposed at an inner opening of the wastewater tank 6, a filter net 72 disposed above the support bracket 71, and a fixing unit 73 fixing the filter net 72. Each inner wall of the sewage tank 6 is fixedly connected with a supporting block 74 for supporting the supporting bracket 71, thereby ensuring the stability of the supporting bracket 71. The support bracket 71 comprises an annular frame 711 which is used for being placed on the support block 74, and eight auxiliary support rods 712 which are arranged in the annular frame 711, wherein the auxiliary support rods 712 are parallel to each other, and two ends of the auxiliary support rods 712 are fixedly connected with the arc-shaped frame, so that when the filter screen 72 is placed on the support bracket 71, the auxiliary support rods 712 can well support the filter screen 72, the normal filtering effect of the filter screen 72 cannot be influenced, the filter screen 72 can be conveniently taken down by a worker, and impurities on the surface of the filter screen 72 can be cleaned.

As shown in fig. 8, the fixing assembly 73 includes 14 first iron absorbing stones 731 embedded in the upper surface of the annular frame 711, the first iron absorbing stones 731 are uniformly distributed along the annular direction of the annular frame 711, and each first iron absorbing stone 731 is magnetically attracted to each other by a second iron absorbing stone 732. When the strainer 72 is fixed, the strainer 72 is interposed between the first and second magnets 731 and 732, so that the strainer 72 is stably fixed above the support bracket 71. And the impurities of the wastewater entering the sewage tank 6 after the wastewater is filtered by the filter screen 72 are less.

As shown in fig. 7, the bottom of the sewage tank 6 is provided with a weep hole 61, the wastewater recovery assembly 8 comprises a second water pump 81 arranged at one side of the curing box body 1, a first connecting pipe 82 is fixedly connected to a water inlet end of the second water pump 81, and the other end of the first connecting pipe 82 is communicated with the bottom of the weep hole 61; a second connecting pipe 83 is fixedly connected to the water outlet of the second water pump 81, and the other end of the second connecting pipe 83 is communicated with the water tank 52. When the spray washing mechanism 5 works, the second water pump 81 is also simultaneously started, so that the filtered liquid in the sewage tank 6 sequentially enters the first connecting pipe 82 and the second connecting pipe 83 and is pumped into the water inlet tank 52, the waste water is recycled, and the waste of water resources is reduced.

As shown in fig. 9, an inverted cone-shaped filter 9 is supported above the weep hole 61, and the diameter of the upper bottom surface of the filter 9 is larger than that of the weep hole 61, so that the filter 9 cannot fall into the weep hole 61; the circumferential surface of the filter 9 is uniformly provided with a plurality of filtering holes 91, thereby meeting the requirement of passing through waste water. The filter 9 is arranged to perform secondary filtration, so that the liquid passing through the liquid leakage hole 61 can be cleaner, and the normal operation of the second water pump 81 is guaranteed. And set up filter 9 into the back taper, also be convenient for the staff and clear up filter 9.

As shown in fig. 9, the inner bottom surface of the sewage tank 6 is an inclined surface inclined toward the liquid leaking hole 61, and the liquid leaking hole 61 is located at the lowest point of the inner ground surface of the sewage tank 6, so that the liquid in the sewage tank 6 is guided, the residual liquid in the sewage tank 6 is reduced, and the cleaning by workers is facilitated.

The working process is as follows: the scraping and brushing mechanism 4 works, the driving motor 443 is started to drive the screw 442 to rotate, the screw 442 is connected with one of the connecting blocks 46 through the screw thread of the screw 442, and the movable rod 41 is driven to scrape and brush along the length direction of the limiting rod 441 under the limitation of the other connecting block 46 and the limiting rod 441, so that the bristles 42 are in contact with the surface of the sample holder 13, and impurities on the surface of the sample holder 13 can be conveniently brushed away. The brush hair 42 is driven to reciprocate to scrape the appearance of the sample rack 13 by the forward rotation or the reverse rotation of the driving motor 443; the gear 47 and the strip-shaped rack 48 are meshed with each other to drive the moving rod 41 to rotate, so that the brush bristles 42 scrape the surface of the sample rack 13;

the spray rinsing mechanism 5 is started, the first water pump 53 is started, so that the cleaning liquid in the water tank 52 is sprayed on the surface of the sample rack 13 through the spray rinsing head 51, the second water pump 81 is started, so that the filtered liquid in the sewage tank 6 sequentially enters the first connecting pipe 82 and the second connecting pipe 83 and is pumped into the water inlet tank 52, so that the waste water is recycled, and the waste of water resources is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a concrete curing box with cleaning device (3), includes curing box body (1) and a plurality of sample frame (13) of level setting in curing box body (1), characterized by: a cleaning device (3) for cleaning the surface of the sample rack (13) is arranged in the curing box body (1), and the cleaning device (3) comprises a scraping and brushing mechanism (4) for scraping and brushing the surface of the sample rack (13) and a spray washing mechanism (5) for spray washing the surface of the sample rack (13);

the scraping and brushing mechanism (4) comprises a moving rod (41) arranged above each sample rack (13), bristles (42) fixedly connected to the moving rod (41) and used for scraping and brushing the surfaces of the sample racks (13), and driving assemblies (44) arranged at two ends of the moving rod (41) and used for driving the moving rod (41) to reciprocate and scrape and brush the surfaces of the sample racks (13);

the spray washing mechanism (5) comprises spray washing heads (51) arranged on two inner side walls of the maintenance box body (1), a water tank (52) arranged beside the maintenance box body (1), a first water pump (53) communicated with the water tank (52), a water outlet pipe (55) communicated with a water outlet of the first water pump (53), the other end of the water outlet pipe (55) is communicated with the spray washing heads (51) and a sewage tank (6) arranged in the maintenance box body (1) and used for receiving waste water at the bottom.

2. A concrete curing box with a cleaning device (3) according to claim 1, characterized in that: one side of bilge pit (6) is provided with waste water recovery subassembly (8), and weeping hole (61) have been seted up to bilge pit (6) bottom, waste water recovery subassembly (8) include second water pump (81), and second water pump (81) water inlet is connected with first connecting pipe (82), and the other end and weeping hole (61) of first connecting pipe (82) communicate each other, and the delivery port of second water pump (81) is connected with second connecting pipe (83), and the other end and the inside intercommunication each other of water tank (52) of second connecting pipe (83).

3. A concrete curing box with a cleaning device (3) according to claim 2, characterized in that: a filtering component (7) for filtering the waste residue is arranged in the sewage tank (6),

the filtering component (7) comprises a supporting bracket (71) arranged in the sewage tank (6); the supporting block (74) is arranged below the supporting bracket (71) and used for supporting the supporting bracket (71), and the supporting block (74) is fixedly connected with the inner wall of the sewage tank (6); a filter screen (72) is laid on the support bracket (71); the support bracket (71) is also provided with a fixing assembly (73) for fixing the filter screen (72).

4. A concrete curing box with a cleaning device (3) according to claim 3, characterized in that: the fixing component (73) comprises a plurality of first iron absorbing stones (731) attached to each edge of the supporting bracket (71) and second iron absorbing stones (732) matched with the first iron absorbing stones (731), and the filter screen (72) is clamped between the first iron absorbing stones (731) and the second iron absorbing stones (732).

5. A concrete curing box with a cleaning device (3) according to claim 4, characterized in that: the supporting bracket (71) comprises an annular frame (711) and a plurality of auxiliary supporting rods (712) arranged in the annular frame (711), two ends of each auxiliary supporting rod (712) are fixedly connected with the annular frame (711), and the first iron absorbing stone (731) is fixed on the first iron absorbing stone (731).

6. A concrete curing box with a cleaning device (3) according to claim 2, characterized in that: the bottom surface of the sewage tank (6) is obliquely arranged towards the direction of the liquid leakage hole (61), so that the liquid leakage hole (61) is positioned at the lowest point of the sewage tank (6).

7. A concrete curing box with a cleaning device (3) according to claim 2, characterized in that: the filter (9) with the inverted cone shape is clamped in the liquid leakage hole (61), and a plurality of filter holes (91) for liquid leakage are uniformly formed in the filter (9).

8. A concrete curing box with a cleaning device (3) according to claim 1, characterized in that: the driving assembly (44) comprises a limiting rod (441) and a screw rod (442) which are horizontally arranged on the left side and the right side of the movable rod (41) and are parallel to each other, two ends of the limiting rod (441) are fixedly connected with the inner wall of the curing box body (1), and the limiting rod (441) is connected with the movable rod (41) in a sliding manner; two ends of the screw rod (442) are rotationally connected with the inner wall of the curing box body (1), and the screw rod (442) is in threaded connection with the movable rod (41); one end of the screw rod (442) is provided with a driving motor (443) which drives the screw rod (442) to rotate.

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