Corrosion resistance test bench for cast iron pipe

Abstract

The invention discloses a cast iron pipe corrosion resistance test bench, and particularly relates to the technical field of corrosion resistance tests.The cast iron pipe corrosion resistance test bench comprises an installation frame, a draught fan, a water pump, a heating rod and a fluorescent lamp are used according to test requirements, and then the fluorescent lamp can irradiate a cast iron pipe for a long time; a water pump can pump water in a water tank into a spray head to enable the water to be sprayed on the surface of a cast iron pipe, so that rainwater simulation is achieved, a fan can pump external air into a first mounting cover and a second mounting cover through a second flow dividing pipe, and meanwhile, a refrigerating machine or a heating rod can be used according to test requirements; furthermore, cold air generated by the refrigerating machine can enter the test box, so that the influence of cold weather on the cast iron pipe can be simulated, and then a heating rod can heat air entering the second mounting cover, so that the influence of hot weather on the cast iron pipe can be simulated; therefore, the effect of simulating the corrosion resistance influence test of the external natural environment on the cast iron pipe can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of corrosion resistance testing, in particular to a corrosion resistance testing platform for cast iron pipes. Background Art

[0002] Cast iron pipe is a pipe cast by cast iron. It is used for water supply, drainage and gas transmission pipelines. It includes cast iron straight pipes and pipe fittings. It has low labor intensity. According to different casting methods, it is divided into continuous cast iron pipes and centrifugal cast iron pipes. Among them, centrifugal cast iron pipes are divided into sand molds and metal molds. According to different materials, it is divided into gray cast iron pipes and ductile iron pipes. According to different interface forms, it is divided into flexible interface, flange interface, self-anchor interface, rigid interface, etc. Among them, flexible cast iron pipes are sealed with rubber rings; flange interface cast iron pipes are fixed with flanges and sealed with rubber flange gaskets inside; rigid interfaces generally have larger cast iron pipe sockets. After the straight pipe is inserted, it is sealed with cement. This process has been basically eliminated.

[0003] In the prior art, common corrosion resistance tests are mostly carried out on test benches. During use, traditional test benches usually use specific containers and corrosive solutions to conduct targeted corrosion resistance tests on metal materials. When performing corrosion resistance tests on cast iron pipes, it is often necessary to consider their normal use scenarios for corrosion resistance tests. As a result, traditional test benches may not be easy to simulate the use environment of cast iron pipes, which may affect the accuracy of their corrosion resistance test data. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a corrosion resistance test bench for cast iron pipes to solve the problems raised in the above background technology.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A corrosion resistance test bench for cast iron pipes, comprising a mounting frame, a test box is fixedly mounted on the top surface of the mounting frame, an equipment box is fixedly mounted inside the mounting frame, a tool box is fixedly mounted on the top surface of the equipment box, a first mounting plate is fixedly mounted on the top surface of the tool box, a water tank is fixedly mounted on one side of the mounting frame, two door panels are slidably connected to one side of the test box, and a temperature sensor is fixedly mounted on the top surface of the test box;

[0007] A first mounting cover, wherein the first mounting cover is fixedly mounted on the top surface of the mounting frame, a connecting pipe is fixedly mounted on one side of the first mounting cover, and a connecting head is fixedly sleeved on the outer circumferential wall surface of the connecting pipe;

[0008] A second installation cover, wherein the second installation cover is fixedly installed on the top surface of the test box, and a heating rod is fixedly installed inside the second installation cover;

[0009] A plurality of positioning holes, wherein the plurality of positioning holes are provided on the top surface of the test box, the inner circular walls of the plurality of second mounting covers are fixedly sleeved with a fixing sleeve, the inner circular wall of the fixing sleeve is fixedly sleeved with a first shunt pipe, the inner circular wall of the first shunt pipe is fixedly sleeved with a plurality of nozzles, a water pump is fixedly installed on the inner bottom surface of the water tank, and the inner circular wall of the water pump outlet is fixedly sleeved with the first shunt pipe;

[0010] A bracket, the bracket is fixedly mounted on one side of the mounting frame, a fan is fixedly mounted on the top surface of the bracket, a second shunt pipe is fixedly sleeved on the inner circular wall surface of the fan outlet, and the second shunt pipe respectively penetrates into the interior of the first mounting cover and the second mounting cover;

[0011] A second mounting plate is rotatably connected inside the test box, and a plurality of fluorescent lamps are fixedly mounted on the bottom surface of the second mounting plate;

[0012] A fixing assembly, which is arranged on one side of the interior of the test box and is used to limit and fix the cast iron pipe;

[0013] A rotating assembly is arranged on the top surface of the test box and is used to drive the cast iron pipe to rotate.

[0014] By adopting the above technical solution, when in use, the staff adds water to the inside of the water tank and connects the refrigeration pipe of the refrigerator to the connector, and then the staff fixes the cast iron pipe inside the test box through the fixing component, and then the staff uses the rotating component to rotate the cast iron pipe. At this time, the staff can use the fan, water pump, heating rod and fluorescent lamp according to the test requirements, and then the fluorescent lamp will irradiate the cast iron pipe for a long time after it is started. At the same time, the water pump will draw the water inside the water tank into the inside of the nozzle through the first diversion pipe, and spray it on the surface of the cast iron pipe, so as to realize rain simulation, and then the fan will draw the outside air through the second diversion pipe. The flow tube is drawn into the interior of the first installation cover and the second installation cover. At this time, the staff can use a refrigerator or a heating rod according to the test requirements, and the cold air generated by the refrigerator will enter the interior of the first installation cover through the connecting pipe, and enter the interior of the test box under the action of the fan, thereby simulating the impact of cold weather on the cast iron pipe. Then the heating rod will heat the air entering the interior of the second installation cover and allow it to enter the interior of the test box, thereby simulating the impact of hot weather on the cast iron pipe. At the same time, the temperature sensor can provide real-time feedback on the temperature inside the test box, thereby achieving the effect of simulating the impact of the external natural environment on the corrosion resistance of the cast iron pipe.

[0015] Preferably, the fixed installation includes: a first mounting plate, the first mounting plate is rotatably connected to one side of the test box, the inner side of the test box is rotatably connected to the second mounting plate, one side of the first mounting plate and the second mounting plate are respectively provided with a plurality of first mounting grooves, a plurality of first mounting grooves are fixedly installed with positioning columns, the outer circular wall surface of the positioning column is movably sleeved with a first spring, a slider is provided inside the first mounting groove, the inner circular wall surface of the slider is movably sleeved with the positioning column, and a limiting plate is fixedly installed on one side of the slider.

[0016] By adopting the above technical solution, when the staff needs to fix the cast iron pipe, the staff will squeeze the multiple limit plates on the sides of the first mounting plate and the second mounting plate, and then the multiple limit plates will approach each other. At the same time, the movement of the limit plates will drive the slider to squeeze the first spring. After the above steps are completed, the staff can respectively put the two ends of the cast iron pipe on the outside of the multiple second springs on the sides of the first mounting plate and the second mounting plate, and then the rebound force of the multiple first springs will push the multiple limit plates to fix and limit the cast iron pipe from the inside of the cast iron pipe, thereby achieving the effect of fixing and limiting the cast iron pipe.

[0017] Preferably, the rotating assembly includes: a first mounting plate, a driving motor is fixedly mounted on one side of the interior of the first mounting plate, a driving pulley is fixedly mounted on one end of the driving shaft of the driving motor, a driven pulley is fixedly mounted on one end of the first mounting disk, a transmission belt is provided between the driving pulley and the driven pulley, and the driving pulley and the driven pulley are connected via the transmission belt.

[0018] By adopting the above technical solution, when the staff needs to rotate the cast iron pipe, the staff uses a driving motor, and the rotation of the driving shaft of the driving motor will drive the active pulley to rotate, and then under the belt transmission action of the transmission belt, the driven pulley will rotate on the first mounting disk and the cast iron pipe outside it, thereby achieving the effect of rotating the cast iron pipe so that its surface can be evenly tested for corrosion resistance.

[0019] Preferably, the test box is internally rotatably connected with a second mounting plate, the top surface of the second mounting plate is provided with a plurality of limit holes, the inner circular wall of the limit holes is fixedly sleeved with the first shunt pipe, and a plurality of limit grooves are respectively provided on both sides of the test box, the second mounting plate and one side of the second mounting plate are respectively fixedly installed with adjustment blocks, one side of the adjustment block is provided with a plurality of second mounting grooves, the interior of the second mounting groove is movably sleeved with a second spring, the interior of the second mounting groove is movably sleeved with a limit column, the inner circular wall of the second mounting groove is fixedly sleeved with a fixing ring, the inner circular wall of the fixing ring is movably sleeved with the limit column, and the limit column is movably sleeved with the inner circular wall of the limit groove.

[0020] By adopting the above technical solution, the staff can rotate the two adjustment blocks, and the rotation of the two adjustment blocks will respectively drive the second mounting plate and the second mounting plate to rotate, and then the second mounting plate and the second mounting plate will respectively drive multiple fluorescent lamps and multiple nozzles to rotate, so as to adjust their use angles. At the same time, multiple limit columns will enter the interior of the limit groove under the action of the rebound force of multiple second springs, so as to limit and fix the second mounting plate and the second mounting plate after the angle adjustment.

[0021] Preferably, a drainage hole is provided on the inner bottom surface of the test box, a collecting box is slidably connected to the inside of the first mounting plate, and a filter screen is rotatably connected to the inside of the collecting box.

[0022] By adopting the above technical solution, the water generated by the test inside the test box will enter the interior of the collection box through the drainage hole, and the filter plate will filter and collect the residue peeling off the surface of the cast iron pipe.

[0023] Preferably, a plurality of storage boxes are slidably connected inside the tool box.

[0024] By adopting the above technical solution, it is convenient to store commonly used test tools.

[0025] Preferably, a liquid level glass is fixedly mounted on one side of the water tank.

[0026] By adopting the above technical solution, it is convenient for staff to know the water level inside the water tank.

[0027] Preferably, a protective cover is rotatably connected to one side of the first mounting plate, and the protective cover is fixedly connected to the test box by bolts.

[0028] By adopting the above technical solution, it is convenient to protect the driving pulley, the driven pulley and the transmission belt.

[0029] In summary, the present invention mainly has the following beneficial effects:

[0030] 1. According to the test requirements, fans, water pumps, heating rods and fluorescent lamps are used, and the fluorescent lamps will irradiate the cast iron pipes for a long time. The water pump will draw the water in the water tank into the nozzle to spray it on the surface of the cast iron pipe, so as to achieve rain simulation. The fan will draw the outside air into the first installation cover and the second installation cover through the second shunt pipe. At the same time, a refrigerator or heating rod can be used according to the test requirements, and the cold air generated by the refrigerator will enter the interior of the test box, so as to simulate the impact of cold weather on the cast iron pipe. Then the heating rod will heat the air entering the second installation cover, so as to simulate the impact of hot weather on the cast iron pipe, so as to achieve the effect of simulating the impact of the external natural environment on the corrosion resistance of the cast iron pipe.

[0031] 2. By squeezing the multiple limit plates on the sides of the first mounting plate and the second mounting plate, the multiple limit plates will be close to each other, and the movement of the limit plates will drive the slider to squeeze the first spring. After the above steps are completed, the staff can respectively put the two ends of the cast iron pipe on the outside of the multiple second springs on the sides of the first mounting plate and the second mounting plate, and then the rebound force of the multiple first springs will push the multiple limit plates to fix and limit the cast iron pipe from the inside of the cast iron pipe, thereby achieving the effect of fixing and limiting the cast iron pipe.

[0032] 3. By rotating the two adjustment blocks, the rotation of the two adjustment blocks will respectively drive the second mounting plate and the second installation plate to rotate, and then the second mounting plate and the second installation plate will respectively drive multiple fluorescent lamps and multiple nozzles to rotate, thereby adjusting their use angles. At the same time, multiple limit columns will enter the interior of the limit groove under the action of the rebound force of multiple second springs, thereby limiting and fixing the second mounting plate and the second installation plate after the angle adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0034] Figure 2 is a schematic diagram of the structure of the first shunt pipe of the present invention;

[0035] Figure 3 It is a schematic diagram of the structure of the collection box of the present invention;

[0036] Figure 4 It is a schematic diagram of the test box structure of the present invention;

[0037] Figure 5 is a schematic diagram of the structure of the second installation plate of the present invention;

[0038] Figure 6 It is a schematic diagram of the structure of the first mounting plate of the present invention;

[0039] Figure 7 It is a schematic diagram of the structure of the regulating block of the present invention;

[0040] Figure 8 It is a schematic diagram of the water tank structure of the present invention.

[0041] Reference numerals: 1, mounting frame; 2, test box; 3, water tank; 4, equipment box; 5, tool box; 6, first mounting plate; 7, door plate; 8, first shunt pipe; 9, nozzle; 10, bracket; 11, fan; 12, second shunt pipe; 13, collection box; 14, storage box; 15, filter screen; 16, positioning hole; 17, temperature sensor; 18, first mounting cover; 19, second mounting cover; 20, connecting pipe; 21, heating rod; 22, fixing sleeve; 23, connecting head; 24, first mounting plate; 25, driving motor; 26. First mounting plate; 27. Drain hole; 28. Driven pulley; 29. ​​Driving pulley; 30. Transmission belt; 31. Protective cover; 32. Second mounting plate; 33. Second mounting plate; 34. Fluorescent lamp; 35. Second mounting plate; 36. Limit hole; 37. Limit slot; 38. First mounting slot; 39. Slider; 40. Positioning column; 41. First spring; 42. Limit plate; 43. Adjustment block; 44. Second mounting slot; 45. Second spring; 46. Limit column; 47. Fixing ring; 48. Water pump; 49. Liquid level glass. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Embodiment 1

[0044] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8A corrosion resistance test bench for cast iron pipes, comprising: a mounting frame 1, a test box 2 is fixedly installed on the top surface of the mounting frame 1, an equipment box 4 is fixedly installed inside the mounting frame 1, a tool box 5 is fixedly installed on the top surface of the equipment box 4, a first mounting plate 6 is fixedly installed on the top surface of the tool box 5, a water tank 3 is fixedly installed on one side of the mounting frame 1, two door panels 7 are slidably connected to one side of the test box 2, and a temperature sensor 17 is fixedly installed on the top surface of the test box 2; a first mounting cover 18, the first mounting cover 18 is fixedly installed on the top surface of the mounting frame 1, a connecting pipe 20 is fixedly installed on one side of the first mounting cover 18, and a connecting head 23 is fixedly sleeved on the outer circular wall surface of the connecting pipe 20; a second mounting cover 19, the second mounting cover 19 is fixedly installed on the top surface of the test box 2, and a heating rod 21 is fixedly installed inside the second mounting cover 19; a plurality of positioning holes 16, and the plurality of positioning holes 16 are all opened on the top surface of the test box 2 The top surface, the inner circular wall surfaces of several second mounting covers 19 are all fixedly sleeved with a fixing sleeve 22, the inner circular wall surface of the fixing sleeve 22 is fixedly sleeved with a first shunt pipe 8, the inner circular wall surface of the first shunt pipe 8 is fixedly sleeved with several nozzles 9, the inner bottom surface of the water tank 3 is fixedly installed with a water pump 48, and the inner circular wall surface of the water outlet of the water pump 48 is fixedly sleeved with the first shunt pipe 8; the bracket 10, the bracket 10 is fixedly installed on one side of the mounting frame 1, the top surface of the bracket 10 is fixedly installed with a fan 11, the inner circular wall surface of the air outlet of the fan 11 is fixedly sleeved with a second shunt pipe 12, and the second shunt pipe 12 passes through the inside of the first mounting cover 18 and the second mounting cover 19 respectively; the inside of the test box 2 is rotatably connected with a second mounting plate 33, and the bottom surface of the second mounting plate 33 is fixedly installed with several fluorescent lamps 34; a fixing component, the fixing component is arranged on one side of the inside of the test box 2, and is used to limit and fix the cast iron pipe;The rotating assembly is arranged on the top surface of the test box 2 and is used to drive the cast iron pipe to rotate. When in use, the staff adds water to the inside of the water tank 3 and connects the refrigeration pipe of the refrigerator to the connector 23. Then the staff fixes the cast iron pipe inside the test box 2 through the fixing assembly, and then the staff uses the rotating assembly to rotate the cast iron pipe. At this time, the staff can use the fan 11, water pump 48, heating rod 21 and fluorescent lamp 34 according to the test requirements. Then, after the fluorescent lamp 34 is started, the cast iron pipe will be irradiated for a long time. At the same time, the water pump 48 will draw the water inside the water tank 3 into the inside of the nozzle 9 through the first shunt pipe 8, and spray it on the surface of the cast iron pipe, so as to realize rain simulation, and then the fan 11 will The outside air is drawn into the first installation cover 18 and the second installation cover 19 through the second shunt pipe 12. At this time, the staff can use the refrigerator or the heating rod 21 according to the test requirements, and then the cold air generated by the refrigerator will enter the first installation cover 18 through the connecting pipe 20, and enter the test box 2 under the action of the fan 11, so as to simulate the influence of cold weather on the cast iron pipe. Then the heating rod 21 will heat the air entering the second installation cover 19 and let it enter the test box 2, so as to simulate the influence of hot weather on the cast iron pipe. At the same time, the temperature sensor 17 can feed back the temperature inside the test box 2 in real time, so as to achieve the effect of simulating the influence of the external natural environment on the corrosion resistance of the cast iron pipe. ;

[0045] Embodiment 2

[0046] Based on the above embodiment 1, refer to Figure 4 , Figure 5 and Figure 6The fixed installation includes: a first mounting plate 26, the first mounting plate 26 is rotatably connected to one side of the test box 2, and the second mounting plate 32 is rotatably connected to one side of the test box 2. A plurality of first mounting grooves 38 are respectively provided on one side of the first mounting plate 26 and the second mounting plate 32. A positioning column 40 is fixedly installed inside the plurality of first mounting grooves 38. The outer circumferential wall surface of the positioning column 40 is movably sleeved with a first spring 41. A slider 39 is provided inside the first mounting groove 38. The inner circumferential wall surface of the slider 39 is in contact with the fixed spring 41. The positioning post 40 is movably sleeved, and a limiting plate 42 is fixedly installed on one side of the slider 39. When the staff needs to fix the cast iron pipe, the staff squeezes the multiple limiting plates 42 on the sides of the first mounting plate 26 and the second mounting plate 32, so that the multiple limiting plates 42 will approach each other. At the same time, the movement of the limiting plates 42 will drive the slider 39 to squeeze the first spring 41. After the above steps are completed, the staff can respectively sleeve the two ends of the cast iron pipe on the multiple second springs on the sides of the first mounting plate 26 and the second mounting plate 32. The outside of the spring 45, and then the resilience of multiple first springs 41 will push multiple limit plates 42 to fix and limit the cast iron pipe from the inside, thereby achieving the effect of fixing and limiting the cast iron pipe. The rotating component includes: a first mounting plate 24, a driving motor 25 is fixedly installed on one side of the inside of the first mounting plate 24, a driving pulley 29 is fixedly installed on one end of the driving shaft of the driving motor 25, and a driven pulley 28 is fixedly installed on one end of the first mounting disk 26. A transmission belt 30 is arranged between the driving pulley 29 and the driven pulley 28, and the driving pulley 29 and the driven pulley 28 are connected by the transmission belt 30. When the staff needs to rotate the cast iron pipe, the staff uses the driving motor 25, and the rotation of the driving shaft of the driving motor 25 will drive the driving pulley 29 to rotate, and then under the belt transmission action of the transmission belt 30, the driven pulley 28 will rotate at the first mounting disk 26 and the cast iron pipe outside it, thereby achieving the effect of rotating the cast iron pipe so that its surface can be evenly tested for corrosion resistance.

[0047] Embodiment 3

[0048] Based on the above embodiment 1 or 2, refer to Figure 3 , Figure 4 and Figure 5The test box 2 is rotatably connected with a second mounting plate 35 inside. A plurality of limiting holes 36 are provided on the top surface of the second mounting plate 35. The inner circular wall surface of the limiting hole 36 is fixedly sleeved with the first shunt pipe 8. A plurality of limiting grooves 37 are respectively provided on both sides of the test box 2. An adjusting block 43 is fixedly installed on the second mounting plate 35 and one side of the second mounting plate 33. A plurality of second mounting grooves 44 are provided on one side of the adjusting block 43. A second spring 45 is movably sleeved inside the second mounting groove 44. A limiting column 46 is movably sleeved inside the second mounting groove 44. A fixing ring 47 is fixedly sleeved on the inner circular wall surface of the second mounting groove 44. The inner circular wall surface of the fixing ring 47 is movably sleeved with the limiting column 46. The limiting column 46 is movably sleeved with the inner circular wall surface of the limiting groove 37. The staff can rotate the two adjusting blocks 43, and then the two adjusting blocks 43 are fixedly sleeved. The rotation of the node block 43 will respectively drive the second mounting plate 33 and the second mounting plate 35 to rotate, and then the second mounting plate 33 and the second mounting plate 35 will respectively drive the multiple fluorescent lamps 34 and the multiple nozzles 9 to rotate, so as to adjust their use angles. At the same time, the multiple limit columns 46 will enter the interior of the limit groove 37 under the action of the rebound force of the multiple second springs 45, so as to limit and fix the second mounting plate 33 and the second mounting plate 35 after the angle adjustment. A drain hole 27 is provided on the inner bottom surface of the test box 2, and the interior of the first mounting plate 6 is slidably connected to the collection box 13, and the interior of the collection box 13 is rotatably connected to the filter screen plate 15. The water generated by the test inside the test box 2 will enter the interior of the collection box 13 through the drain hole 27, and the filter screen plate 15 will filter and collect the residue peeling off from the surface of the cast iron pipe.

[0049] Embodiment 4

[0050] Based on the above embodiments 1, 2 or 3, refer to Figure 3 , Figure 4 and Figure 8 A plurality of storage boxes 14 are slidably connected to the interior of the toolbox 5, which is convenient for storing commonly used test tools. A liquid level glass 49 is fixedly installed on one side of the water tank 3, which is convenient for the staff to know the water level inside the water tank 3. A protective cover 31 is rotatably connected to one side of the first mounting plate 24. The protective cover 31 is fixedly connected to the test box 2 by bolts, which is convenient for protecting the driving pulley 29, the driven pulley 28 and the transmission belt 30.

[0051] Working principle: Please refer to Figure 1-Figure 8As shown, when in use, the staff adds water to the inside of the water tank 3 and connects the refrigeration pipe of the refrigerator to the connector 23, and then the staff fixes the cast iron pipe inside the test box 2 through the fixing assembly, and then the staff uses the rotating assembly to rotate the cast iron pipe. At this time, the staff can use the fan 11, water pump 48, heating rod 21 and fluorescent lamp 34 according to the test requirements, and then the fluorescent lamp 34 will irradiate the cast iron pipe for a long time after starting. At the same time, the water pump 48 will draw the water inside the water tank 3 into the inside of the nozzle 9 through the first shunt pipe 8, and spray it on the surface of the cast iron pipe, so as to realize rain simulation, and then the fan 11 will draw the outside air through the second shunt pipe 12. The air enters the first installation cover 18 and the second installation cover 19. At this time, the staff can use the refrigerator or the heating rod 21 according to the test requirements, and the cold air generated by the refrigerator will enter the first installation cover 18 through the connecting pipe 20, and enter the interior of the test box 2 under the action of the fan 11, so as to simulate the influence of cold weather on the cast iron pipe. Then the heating rod 21 will heat the air entering the second installation cover 19 and make it enter the interior of the test box 2, so as to simulate the influence of hot weather on the cast iron pipe. At the same time, the temperature sensor 17 can feedback the temperature inside the test box 2 in real time, so as to achieve the effect of simulating the influence of the external natural environment on the corrosion resistance of the cast iron pipe.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistance test bench for cast iron pipes, characterized in that: include: A mounting frame (1), a test box (2) is fixedly mounted on the top surface of the mounting frame (1), an equipment box (4) is fixedly mounted inside the mounting frame (1), a tool box (5) is fixedly mounted on the top surface of the equipment box (4), a first mounting plate (6) is fixedly mounted on the top surface of the tool box (5), a water tank (3) is fixedly mounted on one side of the mounting frame (1), two door panels (7) are slidably connected to one side of the test box (2), and a temperature sensor (17) is fixedly mounted on the top surface of the test box (2); A first mounting cover (18), the first mounting cover (18) being fixedly mounted on the top surface of the mounting frame (1), a connecting pipe (20) being fixedly mounted on one side of the first mounting cover (18), and a connecting head (23) being fixedly sleeved on the outer circular wall surface of the connecting pipe (20); A second installation cover (19), the second installation cover (19) is fixedly mounted on the top surface of the test box (2), and a heating rod (21) is fixedly mounted inside the second installation cover (19); A plurality of positioning holes (16), wherein the plurality of positioning holes (16) are all provided on the top surface of the test box (2); the inner circular wall surfaces of the plurality of second mounting covers (19) are all fixedly sleeved with a fixing sleeve (22); the inner circular wall surface of the fixing sleeve (22) is fixedly sleeved with a first shunt pipe (8); the inner circular wall surface of the first shunt pipe (8) is fixedly sleeved with a plurality of nozzles (9); a water pump (48) is fixedly installed on the inner bottom surface of the water tank (3); the inner circular wall surface of the water outlet of the water pump (48) is fixedly sleeved with the first shunt pipe (8); A bracket (10), the bracket (10) being fixedly mounted on one side of the mounting frame (1), a fan (11) being fixedly mounted on the top surface of the bracket (10), a second shunt pipe (12) being fixedly sleeved on the inner circular wall surface of the air outlet of the fan (11), the second shunt pipe (12) respectively penetrating into the interior of the first mounting cover (18) and the second mounting cover (19); A second mounting plate (33) is rotatably connected inside the test box (2), and a plurality of fluorescent lamps (34) are fixedly mounted on the bottom surface of the second mounting plate (33); A fixing assembly, the fixing assembly being arranged on one side of the interior of the test box (2) and being used for limiting and fixing the cast iron pipe; A rotating assembly is arranged on the top surface of the test box (2) and is used to drive the cast iron pipe to rotate.

2. The corrosion resistance test bench for cast iron pipes according to claim 1, characterized in that: The fixed installation comprises: a first mounting plate (26), the first mounting plate (26) being rotatably connected to one side of the test box (2), the inner side of the test box (2) being rotatably connected to a second mounting plate (32), one side of the first mounting plate (26) and the second mounting plate (32) being respectively provided with a plurality of first mounting grooves (38), the inner sides of the plurality of first mounting grooves (38) being fixedly installed with positioning columns (40), the outer circular wall surface of the positioning columns (40) being movably sleeved with a first spring (41), the inner side of the first mounting groove (38) being provided with a slider (39), the inner circular wall surface of the slider (39) being movably sleeved with the positioning column (40), and a limiting plate (42) being fixedly installed on one side of the slider (39).

3. The corrosion resistance test bench for cast iron pipes according to claim 2, characterized in that: The rotating assembly comprises: a first mounting plate (24), a driving motor (25) is fixedly mounted on one side of the interior of the first mounting plate (24), a driving pulley (29) is fixedly mounted on one end of the driving shaft of the driving motor (25), a driven pulley (28) is fixedly mounted on one end of the first mounting plate (26), a transmission belt (30) is arranged between the driving pulley (29) and the driven pulley (28), and the driving pulley (29) and the driven pulley (28) are connected by the transmission belt (30).

4. The corrosion resistance test bench for cast iron pipes according to claim 1, characterized in that: The test box (2) is rotatably connected to a second mounting plate (35) inside, a plurality of limiting holes (36) are provided on the top surface of the second mounting plate (35), the inner circular wall surface of the limiting hole (36) is fixedly sleeved with the first shunt pipe (8), a plurality of limiting grooves (37) are respectively provided on both sides of the test box (2), and an adjusting block (43) is fixedly installed on one side of the second mounting plate (35) and the second mounting plate (33), and the adjusting block (43) A plurality of second mounting grooves (44) are provided on one side, a second spring (45) is movably sleeved inside the second mounting groove (44), a limiting column (46) is movably sleeved inside the second mounting groove (44), a fixing ring (47) is fixedly sleeved on the inner circular wall surface of the second mounting groove (44), the inner circular wall surface of the fixing ring (47) is movably sleeved on the limiting column (46), and the limiting column (46) is movably sleeved on the inner circular wall surface of the limiting groove (37).

5. The corrosion resistance test bench for cast iron pipes according to claim 1, characterized in that: The inner bottom surface of the test box (2) is provided with a drainage hole (27); the interior of the first mounting plate (6) is slidably connected to a collecting box (13); the interior of the collecting box (13) is rotatably connected to a filter screen plate (15).

6. The corrosion resistance test bench for cast iron pipes according to claim 1, characterized in that: A plurality of storage boxes (14) are slidably connected inside the tool box (5).

7. The corrosion resistance test bench for cast iron pipes according to claim 1, characterized in that: A liquid level glass (49) is fixedly mounted on one side of the water tank (3).

8. The corrosion resistance test bench for cast iron pipes according to claim 3, characterized in that: A protective cover (31) is rotatably connected to one side of the first mounting plate (24), and the protective cover (31) is connected and fixed to the test box (2) by bolts.

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