CN113866071B - Concrete impermeability test device - Google Patents
Concrete impermeability test device Download PDFInfo
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- CN113866071B CN113866071B CN202111461129.9A CN202111461129A CN113866071B CN 113866071 B CN113866071 B CN 113866071B CN 202111461129 A CN202111461129 A CN 202111461129A CN 113866071 B CN113866071 B CN 113866071B
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- 238000012360 testing method Methods 0.000 title claims abstract description 160
- 230000002457 bidirectional effect Effects 0.000 claims description 83
- 238000007789 sealing Methods 0.000 claims description 63
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 5
- 238000001764 infiltration Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 9
- 238000011017 operating method Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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Abstract
The invention relates to the technical field of concrete impermeability tests, and discloses a concrete impermeability test device, which solves the problems that the existing water seepage method concrete impermeability test device is too complicated, inconvenient to operate and inconvenient to actually operate and has certain limitation; can accomplish the fixed and sealed of four sides of concrete test piece body, the operating procedure is simple convenient to and can make concrete test piece body shift out from this internal concrete impermeability test case, be convenient for take out concrete test piece body.
Description
Technical Field
The invention belongs to the field of testing the characteristics of particles and the permeability of porous materials, and particularly relates to a concrete impermeability test device.
Background
In the construction process of various projects such as civil construction and the like, a large amount of concrete is required to be used, meanwhile, the concrete is also a foundation stone of various buildings, but because tiny pores and tiny cracks inevitably exist in the concrete, a plurality of harmful substances enter the concrete through the tiny pores and the tiny cracks by taking liquid water as a medium, so that the influence of various adverse factors such as corrosion of reinforcing steel bars in the concrete, harmful ion erosion and the like is caused, the durability of the concrete is further reduced, and the impermeability of the concrete is an important evaluation index of the durability of the concrete, so that impermeability test and detection of the concrete are necessary safety measures and quality guarantee.
The water seepage method is the most common test method, but the existing water seepage method concrete impermeability test device is too complex, inconvenient to operate, inconvenient to actually operate and limited to a certain extent.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a concrete impermeability test device, which effectively solves the problems that the existing concrete impermeability test device adopting a water seepage method in the background art is too complex, inconvenient to operate, inconvenient to actually operate and limited to a certain extent.
In order to achieve the purpose, the invention provides the following technical scheme: a concrete impermeability test device comprises a concrete impermeability test box body, wherein the concrete impermeability test box body is of a cavity structure with an opening at the top end, a plurality of drain pipes are arranged at the bottom of the concrete impermeability test box body, a support bracket is arranged at the bottom of the concrete impermeability test box body, a concrete support seepage ring is arranged in the concrete impermeability test box body and fixedly connected with the inner wall of the concrete impermeability test box body, a concrete test block body is arranged at the top of the concrete support seepage ring, first sealing and positioning clamping plates are arranged on two sides of the concrete test block body, two second sealing and positioning clamping plates are arranged between the two first sealing and positioning clamping plates, movable adjusting plates are arranged on two sides of the concrete test box body, two first connecting columns are fixedly connected on one sides of the two first sealing and positioning clamping plates, which are far away from the first connecting columns, one end of the first connecting column penetrates through the inner wall of one side of the concrete impermeability test box body, one end of the first connecting column is fixedly connected with one side of the movable adjusting plate, both sides of the concrete impermeability test box body are fixedly connected with the drive control box, the drive control box is of a cavity structure with one side opened, a first bidirectional adjusting screw rod is arranged in the drive control box, both ends of the first bidirectional adjusting screw rod respectively penetrate through the inner walls of both sides of the drive control box, a driving unit matched with the first bidirectional adjusting screw rod is arranged in the drive control box, a first bearing is arranged at the penetrating position of the first bidirectional adjusting screw rod and the drive control box, both ends of the first bidirectional adjusting screw rod are sleeved with first thread sleeves, the first thread sleeves are positioned outside the drive control box, one side of the first thread sleeves is fixedly connected with one side of the movable adjusting plate, and the first bidirectional adjusting screw rod penetrates through the movable adjusting plate, the first bidirectional adjusting screw rod is connected with the second sealing and positioning clamping plate through a gear transmission assembly, a concrete ejection supporting plate is arranged in the concrete impermeability test box body, and an automatic ejection assembly matched with the concrete ejection supporting plate is arranged on the concrete impermeability test box body;
the automatic ejection assembly comprises two second bidirectional adjusting screw rods arranged below a concrete ejection support plate, two second threaded sleeves are sleeved outside the second bidirectional adjusting screw rods, the second threaded sleeves are connected with the concrete ejection support plate through a rotary support unit, one ends of the second bidirectional adjusting screw rods are connected with the inner wall of one side of a concrete impermeability test box body through second bearings, the other ends of the second bidirectional adjusting screw rods penetrate through the inner wall of one side of the concrete impermeability test box body, third bearings are arranged at the penetrating positions of the second bidirectional adjusting screw rods and the concrete impermeability test box body, two worm gears are arranged on one side of the concrete impermeability test box body, one ends of the second bidirectional adjusting screw rods are fixedly connected with one sides of the worm gears, a worm is arranged on one side of the concrete impermeability test box body and meshed with the worm gears, and one end of the worm is connected with the concrete impermeability test box body through a rotary unit, the other end of the worm is connected with one side of the concrete impermeability test box body through a detachable rotating assembly.
Preferably, dismantlement formula rotating assembly is including setting up in the fixed block of worm one end, the draw-in groove has been seted up to one side of fixed block, be equipped with the cardboard in the draw-in groove, one side of cardboard and one side fixed connection of worm, one side of fixed block is equipped with first driving motor, one side fixed connection of first driving motor's output and fixed block, the first motor cabinet of one side fixedly connected with of fixed block is kept away from to first driving motor, the top and the bottom of first motor cabinet all are equipped with spacing backup pad, one side of spacing backup pad and one side fixed connection of concrete impermeability test box body, the rectangular hole has been seted up at the top of spacing backup pad, one side inner wall of rectangular hole is linked together with one side of spacing backup pad, be equipped with spacing slider in the rectangular hole, one side and first motor cabinet fixed connection of spacing slider, one side of spacing slider is equipped with and blocks the subassembly.
Preferably, block the subassembly including setting up in the lift limit baffle of spacing slider one side, one side that two spacing backup pads kept away from mutually all is equipped with the fly leaf that resets, one side of the fly leaf that resets and one side fixed connection of lift limit baffle, one side that spacing backup pad was kept away from to the fly leaf that resets is equipped with first fixed support board, first fixed support board and spacing backup pad are connected through two second spliced poles, and the second spliced pole runs through the fly leaf that resets, the outside cover of second spliced pole is equipped with compression spring, compression spring's both ends contact with first fixed support board and the fly leaf that resets respectively.
Preferably, one side of the lifting limit baffle is provided with a groove, a limit block is arranged in the groove, one side of the limit block, which is far away from the first fixed support plate, is fixedly connected with a third connecting column, one end of the third connecting column penetrates through the inner wall of one side of the groove, one side of the lifting limit baffle, which is far away from the first fixed support plate, is provided with a movable pull block, one side of the third connecting column is fixedly connected with one side of the movable pull block, one side of the lifting limit baffle, which is far away from the first fixed support plate, is fixedly connected with a handle, the fixed block is driven to rotate by the first driving motor, and then the worm can be driven to rotate by the clamping plate, when the first driving motor needs to be replaced and overhauled, the lifting limit baffle is driven to move, one end of the lifting limit baffle is no longer positioned at one side of the limit slider, the limit on the position of the limit slider is released, and the reset movable plate moves along with the lifting limit baffle, the fly leaf that resets removes towards first fixed bolster, compression spring is in compression state, when the one end of lift limit baffle breaks away from the rectangular hole, and then the drive activity draws the piece to remove, make the third spliced pole drive limit block remove, and then make the stopper remove to one side that first fixed bolster kept away from the fly leaf that resets, through the position of the spacing lift limit baffle of stopper, avoid compression spring drive to reset fly leaf and lift limit baffle to remove, and then the one end of avoiding the lift limit baffle removes to one side of limit slider once more, remove through driving first driving motor and first motor cabinet, make the cardboard break away from the draw-in groove, and limit slider breaks away from the rectangular hole, can accomplish the demolising of first driving motor and first motor cabinet, the overhaul in later stage has been made things convenient for, the convenience is improved.
Preferably, the rotation unit comprises a second fixed support plate arranged at one end of the worm, one side of the second fixed support plate is fixedly connected with one side of the concrete impermeability test box body, one end of the worm is connected with one side of the second fixed support plate through a fourth bearing, and the worm rotates stably relative to the concrete impermeability test box body through the cooperation of the second fixed support plate and the fourth bearing.
Preferably, the rotary supporting unit comprises a rotary supporting plate arranged between the second threaded sleeve and the concrete ejecting supporting plate, one end of the rotary supporting plate is provided with two first supporting side plates, two adjacent first supporting side plates are respectively positioned at two sides of the rotary supporting plate, one side of each first supporting side plate is fixedly connected with the second threaded sleeve, the two adjacent first supporting side plates are connected through a first fixing shaft, the first fixing shaft penetrates through one end of the rotary supporting plate, the other end of the rotary supporting plate is provided with two second supporting side plates, the two second supporting side plates are respectively positioned at two sides of the rotary supporting plate, the two adjacent second supporting side plates are connected through a second fixing shaft, the second fixing shaft penetrates through one end of the rotary supporting plate, one side of each second supporting side plate is fixedly connected with the concrete ejecting supporting plate, when the worm rotates, the worm is matched with the worm wheel, the second bidirectional adjusting screw rod is made to rotate, so that the two second thread sleeves located on the second bidirectional adjusting screw rod are close to each other to move, the inclination angle of the rotary supporting plate is changed, the concrete ejection supporting plate is driven to move upwards through the rotary supporting plate, and the top of the concrete ejection supporting plate is made to be in contact with the bottom of the concrete testing block body.
Preferably, the gear transmission assembly comprises two threaded columns arranged on one side of the second sealing and positioning clamping plate, one end of each threaded column is fixedly connected with one side of the second sealing and positioning clamping plate, a threaded pipe is sleeved on the other end of each threaded column and penetrates through one inner wall of the concrete impermeability test box body, a fifth bearing is arranged at the penetrating position of the threaded pipe and the concrete impermeability test box body, a first conical gear fixedly connected with one end of the second sealing and positioning clamping plate is far away from the threaded pipe, the first conical gear is located in the drive control box, two second conical gears are sleeved on the outer portion of the first bidirectional adjusting screw rod, and the second conical gears are fixedly connected with the first bidirectional adjusting screw rod.
Preferably, the second bevel gear is meshed with the first bevel gear, one side, close to the two second sealing and positioning clamping plates, is fixedly connected with a first elastic sealing gasket, the threaded column is positioned on one side, far away from the first elastic sealing gasket, of the second sealing and positioning clamping plate, one side, close to the two first sealing and positioning clamping plates, is fixedly connected with a second elastic sealing gasket, the second elastic sealing gasket is respectively contacted with the concrete test block body and the second sealing and positioning clamping plates, the two second sealing and positioning clamping plates are respectively contacted with two sides of the concrete test block body, when the first bidirectional adjusting screw rod rotates, the second bevel gear rotates along with the first bidirectional adjusting screw rod, threaded pipes positioned on two sides of the concrete test block body rotate in different directions through the matching of the second bevel gear and the first bevel gear, and further the length of the threaded column positioned in the threaded pipes is changed, make two sealed location grip blocks of second syntropy remove, the both sides of concrete test piece body are held through two sealed location grip blocks of second, and the both sides of concrete test piece body are held through two sealed location grip blocks of first, and the both sides of second sealed location grip block are held through two sealed location grip blocks of first, through the first elastic sealing pad and the second elastic sealing pad that set up, the concrete test piece body has been increased, the leakproofness of the mutual contact position of first sealed location grip block and second sealed location grip block, and then when first bidirectional adjustment lead screw rotates, can accomplish the fixed of four sides of concrete test piece body and seal.
Preferably, the driving unit comprises a second driving motor arranged in the driving control box, the output end of the second driving motor is provided with a gear, one side of the second driving motor, which is far away from the gear, is fixedly connected with a second motor base, one side of the second motor base is fixedly connected with the inner wall of one side of the driving control box, the outer sleeve of the first bidirectional adjusting screw rod is provided with a gear ring, the gear ring is fixedly connected with the first bidirectional adjusting screw rod, the gear ring is meshed with the gear, the second driving motor drives the gear to rotate, and then the gear and the gear ring are matched to enable the first bidirectional adjusting screw rod to rotate, two adjacent first thread sleeves are driven by the first bidirectional adjusting screw rod to be close to move, so that the two movable adjusting plates are close to move, and two sides of the concrete testing block body are clamped by the two first sealing and positioning clamping plates.
Preferably, the support bracket comprises a support base arranged below the concrete impermeability test box body, the top of the support base and the bottom of the concrete impermeability test box body are connected through a plurality of support legs, the top of the support base is provided with a collection box, a drain pipe is arranged right above the collection box, the concrete impermeability test box body can be supported through the support bracket, permeated water flows into the collection box arranged at the top of the support base through the drain pipe, and the permeated water is collected through the collection box.
Compared with the prior art, the invention has the beneficial effects that:
(1) in the work, a concrete test block body to be detected is placed at the top of a concrete supporting seepage ring, through the design of a first sealing positioning clamping plate, a first connecting column, a driving control box, a movable adjusting plate, a first bidirectional adjusting screw rod, a first thread sleeve, a first bearing and a driving unit, a second driving motor drives the gear to rotate, further through the matching of the gear and the gear ring, the first bidirectional adjusting screw rod rotates, two adjacent first thread sleeves are driven to move close to each other through the first bidirectional adjusting screw rod, further the two movable adjusting plates move close to each other, and two sides of the concrete test block body are clamped through the two first sealing positioning clamping plates;
(2) through the design of the first bidirectional adjusting screw rod, the second sealing and positioning clamping plates and the gear transmission assembly, when the first bidirectional adjusting screw rod rotates, the second bevel gear rotates along with the first bidirectional adjusting screw rod, through the matching of the second bevel gear and the first bevel gear, the screwed pipes on two sides of the concrete test block body rotate in different directions, further the length of the screwed column in the screwed pipe is changed, the two second sealing and positioning clamping plates move in different directions, the two sides of the concrete test block body are clamped through the two second sealing and positioning clamping plates, the two sides of the concrete test block body are clamped through the two first sealing and positioning clamping plates, the two sides of the second sealing and positioning clamping plates are clamped through the two first sealing and positioning clamping plates, and through the arranged first elastic sealing gasket and the second elastic sealing gasket, the two sides of the concrete test block body are additionally arranged, The sealing performance of the contact position between the first sealing positioning clamping plate and the second sealing positioning clamping plate is realized, so that when the first bidirectional adjusting screw rod rotates, the fixing and sealing of four side surfaces of the concrete testing block body can be completed, water is poured into the top of the concrete testing block body, water seepage measurement is started, the concrete impermeability test box body can be supported through the arranged supporting bracket, permeated water flows into the collecting box positioned at the top of the supporting base through the water drainage pipe, and the permeated water is collected through the collecting box, so that the operation steps are simple and convenient;
(3) through the design of the concrete ejection support plate, the second bidirectional adjusting screw rod, the second thread sleeve, the second bearing, the third bearing, the worm wheel, the worm and the rotary support unit, when the worm rotates, the second bidirectional adjusting screw rod rotates through the matching of the worm and the worm wheel, so that the two second thread sleeves on the second bidirectional adjusting screw rod move close to each other, the inclination angle of the rotary support plate is changed, the concrete ejection support plate is driven to move upwards through the rotary support plate, the top of the concrete ejection support plate is contacted with the bottom of the concrete test block body, and when the measurement is finished, the concrete test block body can be driven to move upwards through the concrete ejection support plate, so that the concrete test block body is moved out of the concrete impermeability test box body, and the concrete test block body is convenient to take out;
(4) through the design of the worm, the rotating unit and the detachable rotating assembly, the fixed block is driven to rotate by the first driving motor, the worm can be driven to rotate by the clamping plate, the worm stably rotates relative to the concrete impermeability test box body through the matching of the second fixed supporting plate and the fourth bearing, when the first driving motor needs to be replaced and overhauled, the lifting limiting baffle is driven to move, one end of the lifting limiting baffle is no longer positioned on one side of the limiting slider, the limitation on the position of the limiting slider is removed, the reset movable plate moves along with the lifting limiting baffle, the reset movable plate moves towards the first fixed supporting plate, the compression spring is in a compression state, when one end of the lifting limiting baffle is separated from the rectangular hole, the movable pull block is driven to move, the third connecting column drives the limiting block to move, and the limiting block moves to one side of the first fixed supporting plate away from the reset movable plate, through the position of the spacing lift limit baffle of stopper, avoid compression spring drive fly leaf that resets and lift limit baffle to remove, and then avoid the one end of lift limit baffle to remove to one side of spacing slider once more, remove through driving first driving motor and first motor cabinet for the cardboard breaks away from the draw-in groove, and spacing slider breaks away from the rectangular hole, can accomplish demolising first driving motor and first motor cabinet, has made things convenient for the maintenance in later stage, has improved the convenience.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural diagram of the interior of the concrete impermeability test chamber body of the invention;
FIG. 3 is a schematic structural diagram of a rotary support unit according to the present invention;
FIG. 4 is a sectional structural view of the fixing block of the present invention;
FIG. 5 is a schematic view of a detachable rotating assembly according to the present invention;
FIG. 6 is a schematic view of the cut-away structure of the limiting support plate of the present invention;
FIG. 7 is a schematic structural diagram of a drive control box according to the present invention;
FIG. 8 is a schematic structural view of the gear assembly of the present invention;
FIG. 9 is a schematic structural diagram of a driving unit according to the present invention;
in the figure: 1. a concrete impermeability test box body; 2. a drain pipe; 3. a concrete support water seepage ring; 4. a concrete test block body; 5. a first seal positioning clamping plate; 6. a first connecting column; 7. a drive control box; 8. a movable adjusting plate; 9. a first bidirectional adjusting screw rod; 10. a first threaded sleeve; 11. a first bearing; 12. ejecting the concrete out of the supporting plate; 13. a second bidirectional adjusting screw rod; 14. a second threaded sleeve; 15. a second bearing; 16. a third bearing; 17. a worm gear; 18. a worm; 19. a fixed block; 20. a card slot; 21. clamping a plate; 22. a first drive motor; 23. a first motor mount; 24. a limiting support plate; 25. a rectangular hole; 26. a limiting slide block; 27. a lifting limit baffle; 28. a first fixed support plate; 29. resetting the movable plate; 30. a second connecting column; 31. a compression spring; 32. a groove; 33. a limiting block; 34. a third connecting column; 35. a movable pull block; 36. a handle; 37. a second stationary support plate; 38. a fourth bearing; 39. rotating the support plate; 40. a first support side plate; 41. a first fixed shaft; 42. a second support side plate; 43. a second fixed shaft; 44. a second seal positioning clamping plate; 45. a threaded post; 46. a threaded pipe; 47. a fifth bearing; 48. a first bevel gear; 49. a second bevel gear; 50. a first resilient gasket; 51. a second drive motor; 52. a second motor mount; 53. a gear; 54. a gear ring; 55. a second resilient gasket; 56. a support base; 57. supporting legs; 58. and a collection box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, as shown in fig. 1 to 9, the present invention includes a concrete impermeability test chamber body 1, the concrete impermeability test chamber body 1 is a cavity structure with an open top end, a plurality of water discharge pipes 2 are arranged at the bottom of the concrete impermeability test chamber body 1, a support bracket is arranged at the bottom of the concrete impermeability test chamber body 1, a concrete supporting seepage ring 3 is arranged in the concrete impermeability test chamber body 1, the concrete supporting seepage ring 3 is fixedly connected with the inner wall of the concrete impermeability test chamber body 1, a concrete test block body 4 is arranged at the top of the concrete supporting seepage ring 3, first sealing and positioning clamping plates 5 are arranged at both sides of the concrete test block body 4, two second sealing and positioning clamping plates 44 are arranged between the two first sealing and positioning clamping plates 5, movable adjusting plates 8 are arranged at both sides of the concrete test chamber body 1, two first connecting columns 6 are fixedly connected to the sides of the two first sealing and positioning clamping plates 5 far away from each other, one end of a first connecting column 6 penetrates through the inner wall of one side of a concrete impermeability test box body 1, one end of the first connecting column 6 is fixedly connected with one side of a movable adjusting plate 8, both sides of the concrete impermeability test box body 1 are fixedly connected with a driving control box 7, the driving control box 7 is of a cavity structure with one side opened, a first bidirectional adjusting screw rod 9 is arranged in the driving control box 7, both ends of the first bidirectional adjusting screw rod 9 respectively penetrate through the inner walls of both sides of the driving control box 7, a driving unit matched with the first bidirectional adjusting screw rod 9 is arranged in the driving control box 7, a first bearing 11 is arranged at the penetrating part of the first bidirectional adjusting screw rod 9 and the driving control box 7, both ends of the first bidirectional adjusting screw rod 9 are respectively sleeved with a first threaded sleeve 10, the first threaded sleeves 10 are positioned outside the driving control box 7, one side of the first threaded sleeves 10 is fixedly connected with one side of the movable adjusting plate 8, the first bidirectional adjusting screw 9 penetrates through the movable adjusting plate 8, the first bidirectional adjusting screw 9 is connected with the second sealing and positioning clamping plate 44 through a gear transmission assembly, a concrete ejection supporting plate 12 is arranged in the concrete impermeability test box body 1, and an automatic ejection assembly matched with the concrete ejection supporting plate 12 is arranged on the concrete impermeability test box body 1;
the automatic ejection assembly comprises two second bidirectional adjusting screw rods 13 arranged below a concrete ejection support plate 12, two second thread sleeves 14 are sleeved outside the second bidirectional adjusting screw rods 13, the second thread sleeves 14 are connected with the concrete ejection support plate 12 through a rotary support unit, one ends of the second bidirectional adjusting screw rods 13 are connected with the inner wall of one side of a concrete impermeability test box body 1 through second bearings 15, the other ends of the second bidirectional adjusting screw rods 13 penetrate through the inner wall of one side of the concrete impermeability test box body 1, third bearings 16 are arranged at the penetrating positions of the second bidirectional adjusting screw rods 13 and the concrete impermeability test box body 1, two worm gears 17 are arranged on one side of the concrete impermeability test box body 1, one ends of the second bidirectional adjusting screw rods 13 are fixedly connected with one sides of the worm gears 17, and a worm 18 is arranged on one side of the concrete impermeability test box body 1, the worm 18 is meshed with the worm wheel 17, one end of the worm 18 is connected with the concrete impermeability test box body 1 through a rotating unit, and the other end of the worm 18 is connected with one side of the concrete impermeability test box body 1 through a detachable rotating assembly.
In the second embodiment, based on the first embodiment, as shown in fig. 4, 5 and 6, the detachable rotating assembly includes a fixing block 19 disposed at one end of the worm 18, a slot 20 is disposed at one side of the fixing block 19, a clamping plate 21 is disposed in the slot 20, one side of the clamping plate 21 is fixedly connected to one side of the worm 18, one side of the fixing block 19 is disposed with a first driving motor 22, an output end of the first driving motor 22 is fixedly connected to one side of the fixing block 19, one side of the first driving motor 22 away from the fixing block 19 is fixedly connected to a first motor base 23, top and bottom of the first motor base 23 are both disposed with a limiting support plate 24, one side of the limiting support plate 24 is fixedly connected to one side of the concrete impermeability test box body 1, a rectangular hole 25 is disposed at top of the limiting support plate 24, an inner wall of one side of the rectangular hole 25 is communicated with one side of the limiting support plate 24, a limiting slider 26 is disposed in the rectangular hole 25, one side of the limiting slide block 26 is fixedly connected with the first motor base 23, and one side of the limiting slide block 26 is provided with a blocking component; the blocking assembly comprises a lifting limiting baffle 27 arranged on one side of a limiting slider 26, a resetting movable plate 29 is arranged on one side, away from the two limiting support plates 24, of each limiting movable plate, one side of each resetting movable plate 29 is fixedly connected with one side of the lifting limiting baffle 27, a first fixed support plate 28 is arranged on one side, away from the limiting support plate 24, of each resetting movable plate 29, the first fixed support plates 28 are connected with the limiting support plates 24 through two second connecting columns 30, the second connecting columns 30 penetrate through the resetting movable plates 29, compression springs 31 are sleeved outside the second connecting columns 30, and two ends of each compression spring 31 are respectively in contact with the first fixed support plates 28 and the resetting movable plates 29; a groove 32 is formed in one side of the lifting limiting baffle 27, a limiting block 33 is arranged in the groove 32, a third connecting column 34 is fixedly connected to one side, away from the first fixed supporting plate 28, of the limiting block 33, one end of the third connecting column 34 penetrates through the inner wall of one side of the groove 32, a movable pull block 35 is arranged on one side, away from the first fixed supporting plate 28, of the lifting limiting baffle 27, one side of the third connecting column 34 is fixedly connected with one side of the movable pull block 35, a handle 36 is fixedly connected to one side, away from the first fixed supporting plate 28, of the lifting limiting baffle 27, a rotating unit comprises a second fixed supporting plate 37 arranged at one end of the worm 18, one side of the second fixed supporting plate 37 is fixedly connected with one side of the concrete impermeability test box body 1, and one end of the worm 18 is connected with one side of the second fixed supporting plate 37 through a fourth bearing 38;
the fixed block 19 is driven to rotate by the first driving motor 22, and then the worm 18 can be driven to rotate by the clamping plate 21, the worm 18 can stably rotate relative to the concrete impermeability test box body 1 by the cooperation of the second fixed supporting plate 37 and the fourth bearing 38, when the first driving motor 22 needs to be replaced and overhauled, the lifting limit baffle 27 is driven to move, so that one end of the lifting limit baffle 27 is no longer positioned at one side of the limit slider 26, the limit on the position of the limit slider 26 is released, the reset movable plate 29 moves along with the lifting limit baffle 27, the reset movable plate 29 moves towards the first fixed supporting plate 28, the compression spring 31 is in a compression state, when one end of the lifting limit baffle 27 is separated from the rectangular hole 25, the movable pull block 35 is driven to move, the third connecting column 34 drives the limiting block 33 to move, and the limiting block 33 moves to one side of the first fixed supporting plate 28 away from the reset movable plate 29, through the position of the spacing lift limit baffle 27 of stopper 33, it resets fly leaf 29 and lift limit baffle 27 removal to avoid compression spring 31 drive, and then the one end of avoiding lift limit baffle 27 removes to one side of limiting slide block 26 once more, remove through driving first driving motor 22 and first motor cabinet 23, make cardboard 21 break away from draw-in groove 20, and limiting slide block 26 breaks away from rectangular hole 25, can accomplish the demolition to first driving motor 22 and first motor cabinet 23, the overhaul in later stage has been made things convenient for, the convenience is improved.
Third embodiment, based on the first embodiment, as shown in fig. 2 and 3, the rotary supporting unit includes a rotary supporting plate 39 disposed between the second threaded sleeve 14 and the concrete ejecting supporting plate 12, one end of the rotary supporting plate 39 is provided with two first supporting side plates 40, two adjacent first supporting side plates 40 are respectively disposed at two sides of the rotary supporting plate 39, one side of the first supporting side plate 40 is fixedly connected with the second threaded sleeve 14, two adjacent first supporting side plates 40 are connected with each other by a first fixing shaft 41, the first fixing shaft 41 penetrates one end of the rotary supporting plate 39, the other end of the rotary supporting plate 39 is provided with two second supporting side plates 42, two second supporting side plates 42 are respectively disposed at two sides of the rotary supporting plate 39, two adjacent second supporting side plates 42 are connected by a second fixing shaft 43, and the second fixing shaft 43 penetrates one end of the rotary supporting plate 39, one side of the second supporting side plate 42 is fixedly connected with the concrete ejecting and supporting plate 12;
when the worm 18 rotates, the worm 18 and the worm wheel 17 are matched to enable the second bidirectional adjusting screw rod 13 to rotate, so that the two second thread sleeves 14 on the second bidirectional adjusting screw rod 13 move close to each other, the inclination angle of the rotating support plate 39 is changed, the rotating support plate 39 drives the concrete ejecting support plate 12 to move upwards, and the top of the concrete ejecting support plate 12 is in contact with the bottom of the concrete testing block body 4.
In a fourth embodiment, based on the first embodiment, as shown in fig. 8 and 9, the gear transmission assembly includes two threaded columns 45 disposed on one side of the second seal positioning clamping plate 44, one end of each threaded column 45 is fixedly connected to one side of the second seal positioning clamping plate 44, the other end of each threaded column 45 is sleeved with a threaded pipe 46, each threaded pipe 46 penetrates through an inner wall of one side of the concrete impermeability test chamber body 1, a fifth bearing 47 is disposed at a penetrating position of each threaded pipe 46 and the concrete impermeability test chamber body 1, one end of each threaded pipe 46, which is far away from the second seal positioning clamping plate 44, is fixedly connected with a first bevel gear 48, the first bevel gear 48 is located in the driving control chamber 7, two second bevel gears 49 are sleeved outside the first bidirectional adjusting screw 9, and the second bevel gears 49 are fixedly connected with the first bidirectional adjusting screw 9; the second bevel gear 49 is meshed with the first bevel gear 48, one side, close to the two second sealing and positioning clamping plates 44, is fixedly connected with a first elastic sealing gasket 50, the threaded column 45 is positioned on one side, far away from the first elastic sealing gasket 50, of the second sealing and positioning clamping plate 44, one side, close to the two first sealing and positioning clamping plates 5, is fixedly connected with a second elastic sealing gasket 55, the second elastic sealing gasket 55 is in contact with the concrete test block body 4 and the second sealing and positioning clamping plates 44, and the two second sealing and positioning clamping plates 44 are in contact with two sides of the concrete test block body 4 respectively;
when the first bidirectional adjusting screw rod 9 rotates, the second bevel gear 49 rotates along with the first bidirectional adjusting screw rod 9, the threaded pipes 46 on two sides of the concrete test block body 4 rotate in different directions through the cooperation of the second bevel gear 49 and the first bevel gear 48, further the length of the threaded column 45 in the threaded pipe 46 is changed, so that the two second seal positioning clamping plates 44 move in different directions, two sides of the concrete test block body 4 are clamped through the two second seal positioning clamping plates 44, two sides of the concrete test block body 4 are clamped through the two first seal positioning clamping plates 5, two sides of the second seal positioning clamping plates 44 are clamped through the two first seal positioning clamping plates 5, and the sealing performance of the contact positions of the concrete test block body 4, the first seal positioning clamping plates 5 and the second seal positioning clamping plates 44 is improved through the arranged first elastic sealing gaskets 50 and the second elastic sealing gaskets 55, and then when first bidirectional adjustment lead screw 9 rotated, can accomplish the fixed and sealed of four sides of concrete test piece body 4.
Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 9, the driving unit includes a second driving motor 51 disposed in the driving control box 7, a gear 53 is disposed at an output end of the second driving motor 51, a second motor base 52 is fixedly connected to a side of the second driving motor 51 away from the gear 53, a side of the second motor base 52 is fixedly connected to an inner wall of the driving control box 7, a gear ring 54 is sleeved outside the first bidirectional adjusting screw 9, the gear ring 54 is fixedly connected to the first bidirectional adjusting screw 9, and the gear ring 54 is engaged with the gear 53; the support bracket comprises a support base 56 arranged below the concrete impermeability test box body 1, the top of the support base 56 is connected with the bottom of the concrete impermeability test box body 1 through a plurality of support legs 57, a collection box 58 is arranged at the top of the support base 56, and the drain pipe 2 is positioned right above the collection box 58;
second driving motor 51 drive gear 53 rotates, and then the cooperation through gear 53 and ring gear 54, make first two-way accommodate the lead screw 9 rotate, it is close to the removal mutually to drive two adjacent first thread bushings 10 through first two-way accommodate the lead screw 9, and then make two adjustable shelf boards 8 be close to the removal mutually, through two first sealed location grip blocks 5 centre gripping concrete test piece body 4's both sides, through the support bracket that sets up, can support concrete impermeability test case body 1, infiltration water flows into through drain pipe 2 and lies in the collecting box 58 that supports the base 56 top, collect infiltration water through collecting box 58.
The working principle is as follows: during operation, a concrete test block body 4 to be detected is placed on the top of a concrete supporting seepage ring 3, through the design of a first sealing and positioning clamping plate 5, a first connecting column 6, a driving control box 7, movable adjusting plates 8, a first bidirectional adjusting screw rod 9, a first threaded sleeve 10, a first bearing 11 and a driving unit, a second driving motor 51 drives a gear 53 to rotate, further through the matching of the gear 53 and a gear ring 54, the first bidirectional adjusting screw rod 9 rotates, two adjacent first threaded sleeves 10 are driven to move close to each other through the first bidirectional adjusting screw rod 9, further two movable adjusting plates 8 move close to each other, two sides of the concrete test block body 4 are clamped through the two first sealing and positioning clamping plates 5, when the first bidirectional adjusting screw rod 9 rotates, a second bevel gear 49 rotates along with the first bidirectional adjusting screw rod 9, through the cooperation of the second bevel gear 49 and the first bevel gear 48, the threaded pipes 46 at the two sides of the concrete test block body 4 are rotated in different directions, and further the length of the threaded column 45 in the threaded pipe 46 is changed, so that the two second seal positioning clamping plates 44 move in different directions, the two sides of the concrete test block body 4 are clamped by the two second seal positioning clamping plates 44, the two sides of the concrete test block body 4 are clamped by the two first seal positioning clamping plates 5, the two sides of the second seal positioning clamping plates 44 are clamped by the two first seal positioning clamping plates 5, the sealing performance of the contact positions of the concrete test block body 4, the first seal positioning clamping plates 5 and the second seal positioning clamping plates 44 is increased through the arranged first elastic sealing gasket 50 and the second elastic sealing gasket 55, and further when the first bidirectional adjusting screw rod 9 rotates, can finish the fixing and sealing of four sides of the concrete test block body 4, and then pour water into the top of the concrete test block body 4, start the water seepage measurement, through the supporting bracket that is arranged, can support the concrete impermeability test box body 1, the permeated water flows into the collecting box 58 that is positioned at the top of the supporting base 56 through the drain pipe 2, collect the permeated water through the collecting box 58, the operation steps are simple and convenient, when the worm 18 rotates, through the cooperation of the worm 18 and the worm wheel 17, the second bidirectional adjusting screw 13 rotates, and then two second thread sleeves 14 that are positioned on the second bidirectional adjusting screw 13 move close to each other, the inclination angle of the rotary supporting plate 39 changes, the concrete ejecting supporting plate 12 is driven to move upwards through the rotary supporting plate 39, the top of the concrete ejecting supporting plate 12 is contacted with the bottom of the concrete test block body 4, when the measurement is finished, the concrete test block body 4 can be driven to move upwards by the concrete ejection support plate 12, so that the concrete test block body 4 is moved out of the concrete impermeability test box body 1, the concrete test block body 4 is convenient to take out, the fixed block 19 is driven to rotate by the first drive motor 22, the worm 18 can be driven to rotate by the clamping plate 21, the worm 18 can stably rotate relative to the concrete impermeability test box body 1 by the cooperation of the second fixed support plate 37 and the fourth bearing 38, when the first drive motor 22 needs to be replaced and overhauled, the lifting limit baffle 27 is driven to move, one end of the lifting limit baffle 27 is no longer positioned at one side of the limit slider 26, the limitation on the position of the limit slider 26 is removed, the reset movable plate 29 moves along with the lifting limit baffle 27, and the reset movable plate 29 moves towards the first fixed support plate 28, compression spring 31 is in compression state, when the one end of lift limit baffle 27 breaks away from rectangular hole 25, and then the drive activity draws piece 35 to remove, make third spliced pole 34 drive stopper 33 remove, and then make stopper 33 remove to one side that first fixed bolster 28 kept away from reset movable plate 29, through the position of the spacing lift limit baffle 27 of stopper 33, avoid compression spring 31 drive reset movable plate 29 and lift limit baffle 27 to remove, and then avoid the one end of lift limit baffle 27 to remove to one side of limit slider 26 once more, remove through driving first driving motor 22 and first motor cabinet 23, make cardboard 21 break away from draw-in groove 20, and limit slider 26 breaks away from rectangular hole 25, can accomplish demolising first driving motor 22 and first motor cabinet 23, the overhaul in later stage has been made things convenient for, the convenience is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a concrete impermeability test device, includes concrete impermeability test case body (1), its characterized in that: concrete impermeability test case body (1) is open-top's cavity structure, the bottom of concrete impermeability test case body (1) is equipped with a plurality of drain pipes (2), the bottom of concrete impermeability test case body (1) is equipped with the support bracket, be equipped with concrete support infiltration ring (3) in concrete impermeability test case body (1), the inner wall fixed connection of concrete support infiltration ring (3) and concrete impermeability test case body (1), the top that concrete support infiltration ring (3) is equipped with concrete test piece body (4), the both sides of concrete test piece body (4) all are equipped with first sealed location grip block (5), be equipped with two sealed location grip block (44) of second between two sealed location grip block (5), the both sides of concrete test case body (1) all are equipped with movable regulating plate (8), one side that two sealed location grip block (5) kept away from is equal fixedly connected with two first connecting columns (6) One end of the first connecting column (6) penetrates through the inner wall of one side of the concrete impermeability test box body (1), one end of the first connecting column (6) is fixedly connected with one side of the movable adjusting plate (8), both sides of the concrete impermeability test box body (1) are fixedly connected with the driving control box (7), the driving control box (7) is of a cavity structure with one side opened, a first bidirectional adjusting screw rod (9) is arranged in the driving control box (7), both ends of the first bidirectional adjusting screw rod (9) respectively penetrate through the inner walls of both sides of the driving control box (7), a driving unit matched with the first bidirectional adjusting screw rod (9) is arranged in the driving control box (7), a first bearing (11) is arranged at the penetrating position of the first bidirectional adjusting screw rod (9) and the driving control box (7), both ends of the first bidirectional adjusting screw rod (9) are sleeved with first thread sleeves (10), the first threaded sleeve (10) is positioned outside the drive control box (7), one side of the first threaded sleeve (10) is fixedly connected with one side of the movable adjusting plate (8), the first bidirectional adjusting screw rod (9) penetrates through the movable adjusting plate (8), the first bidirectional adjusting screw rod (9) is connected with the second sealing and positioning clamping plate (44) through a gear transmission assembly, a concrete ejection supporting plate (12) is arranged in the concrete impermeability test box body (1), and an automatic ejection assembly matched with the concrete ejection supporting plate (12) is arranged on the concrete impermeability test box body (1);
the automatic ejection assembly comprises two second bidirectional adjusting screw rods (13) arranged below a concrete ejection support plate (12), two second threaded sleeves (14) are sleeved outside the second bidirectional adjusting screw rods (13), the second threaded sleeves (14) are connected with the concrete ejection support plate (12) through a rotary support unit, one ends of the second bidirectional adjusting screw rods (13) are connected with the inner wall of one side of a concrete impermeability test box body (1) through second bearings (15), the other ends of the second bidirectional adjusting screw rods (13) penetrate through the inner wall of one side of the concrete impermeability test box body (1), third bearings (16) are arranged at the penetrating positions of the second bidirectional adjusting screw rods (13) and the concrete impermeability test box body (1), two worm gears (17) are arranged on one side of the concrete impermeability test box body (1), and one ends of the second bidirectional adjusting screw rods (13) are fixedly connected with one sides of the worm gears (17), one side of the concrete impermeability test box body (1) is provided with a worm (18), the worm (18) is meshed with a worm wheel (17), one end of the worm (18) is connected with the concrete impermeability test box body (1) through a rotating unit, and the other end of the worm (18) is connected with one side of the concrete impermeability test box body (1) through a detachable rotating assembly;
the detachable rotating assembly comprises a fixed block (19) arranged at one end of a worm (18), a clamping groove (20) is formed in one side of the fixed block (19), a clamping plate (21) is arranged in the clamping groove (20), one side of the clamping plate (21) is fixedly connected with one side of the worm (18), a first driving motor (22) is arranged on one side of the fixed block (19), the output end of the first driving motor (22) is fixedly connected with one side of the fixed block (19), one side, far away from the fixed block (19), of the first driving motor (22) is fixedly connected with a first motor base (23), limiting supporting plates (24) are arranged at the top and the bottom of the first motor base (23), one side of each limiting supporting plate (24) is fixedly connected with one side of a concrete impermeability test box body (1), a rectangular hole (25) is formed in the top of each limiting supporting plate (24), the inner wall of one side of each rectangular hole (25) is communicated with one side of each limiting supporting plate (24), be equipped with limiting slide block (26) in rectangular hole (25), one side and first motor cabinet (23) fixed connection of limiting slide block (26), one side of limiting slide block (26) is equipped with and blocks the subassembly.
2. The concrete impermeability test device of claim 1, wherein: the stop assembly comprises a lifting limiting baffle (27) arranged on one side of a limiting sliding block (26), a reset movable plate (29) is arranged on one side, away from the two limiting supporting plates (24), of the reset movable plate (29), one side of the reset movable plate (29) is fixedly connected with one side of the lifting limiting baffle (27), one side, away from the limiting supporting plate (24), of the reset movable plate (29) is provided with a first fixed supporting plate (28), the first fixed supporting plate (28) and the limiting supporting plate (24) are connected through two second connecting columns (30), the second connecting columns (30) penetrate through the reset movable plate (29), a compression spring (31) is sleeved on the outer portion of each second connecting column (30), and two ends of the compression spring (31) are respectively in contact with the first fixed supporting plate (28) and the movable plate (29).
3. The concrete impermeability test device of claim 2, wherein: one side of lift limit baffle (27) is seted up flutedly (32), be equipped with stopper (33) in recess (32), one side fixedly connected with third spliced pole (34) of first fixed bolster (28) are kept away from in stopper (33), and one side inner wall of recess (32) is run through to the one end of third spliced pole (34), one side that first fixed bolster (28) were kept away from in lift limit baffle (27) is equipped with the activity and draws piece (35), and one side of third spliced pole (34) and one side fixed connection of activity and drawing piece (35), one side fixedly connected with handle (36) of first fixed bolster (28) are kept away from in lift limit baffle (27).
4. The concrete impermeability test device of claim 1, wherein: the rotating unit comprises a second fixed supporting plate (37) arranged at one end of the worm (18), one side of the second fixed supporting plate (37) is fixedly connected with one side of the concrete impermeability test box body (1), and one end of the worm (18) is connected with one side of the second fixed supporting plate (37) through a fourth bearing (38).
5. The concrete impermeability test device of claim 1, wherein: the rotary supporting unit comprises a rotary supporting plate (39) arranged between a second threaded sleeve (14) and a concrete ejection supporting plate (12), one end of the rotary supporting plate (39) is provided with two first supporting side plates (40), the two adjacent first supporting side plates (40) are respectively positioned at two sides of the rotary supporting plate (39), one side of each first supporting side plate (40) is fixedly connected with the second threaded sleeve (14), the two adjacent first supporting side plates (40) are connected through a first fixing shaft (41), the first fixing shaft (41) penetrates through one end of the rotary supporting plate (39), the other end of the rotary supporting plate (39) is provided with two second supporting side plates (42), the two second supporting side plates (42) are respectively positioned at two sides of the rotary supporting plate (39), the two adjacent second supporting side plates (42) are connected through second fixing shafts (43), and the second fixing shafts (43) penetrate through one end of the rotary supporting plate (39), one side of the second supporting side plate (42) is fixedly connected with the concrete ejection supporting plate (12).
6. The concrete impermeability test device of claim 1, wherein: the gear transmission assembly comprises two threaded columns (45) arranged on one side of a second sealing and positioning clamping plate (44), one end of each threaded column (45) is fixedly connected with one side of the second sealing and positioning clamping plate (44), a threaded pipe (46) is sleeved on the other end of each threaded column (45), the threaded pipe (46) penetrates through the inner wall of one side of the concrete impermeability test box body (1), a fifth bearing (47) is arranged at the penetrating position of the threaded pipe (46) and the concrete impermeability test box body (1), one end of the threaded pipe (46) far away from the second sealing positioning clamping plate (44) is fixedly connected with a first conical gear (48), and the first bevel gear (48) is positioned in the driving control box (7), two second bevel gears (49) are sleeved outside the first bidirectional adjusting screw rod (9), and the second bevel gear (49) is fixedly connected with the first bidirectional adjusting screw rod (9).
7. The concrete impermeability test device of claim 6, wherein: second conical gear (49) meshes with first conical gear (48) mutually, the equal fixedly connected with in one side that two second seal location grip blocks (44) are close to mutually seals sealed pad (50), and threaded column (45) are located the one side that first sealed pad (50) were kept away from in second seal location grip block (44), the equal fixedly connected with second elastic sealing pad (55) in one side that two first seal location grip blocks (5) are close to mutually, second elastic sealing pad (55) all contact with concrete test block body (4) and second seal location grip block (44), two second seal location grip blocks (44) contact with the both sides of concrete test block body (4) respectively.
8. The concrete impermeability test device of claim 1, wherein: the driving unit comprises a second driving motor (51) arranged in a driving control box (7), the output end of the second driving motor (51) is provided with a gear (53), one side of the second driving motor (51) far away from the gear (53) is fixedly connected with a second motor base (52), one side of the second motor base (52) is fixedly connected with the inner wall of one side of the driving control box (7), a gear ring (54) is sleeved outside the first bidirectional adjusting screw rod (9), the gear ring (54) is fixedly connected with the first bidirectional adjusting screw rod (9), and the gear ring (54) is meshed with the gear (53).
9. The concrete impermeability test device of claim 1, wherein: the support bracket comprises a support base (56) arranged below the concrete impermeability test box body (1), the top of the support base (56) is connected with the bottom of the concrete impermeability test box body (1) through a plurality of support legs (57), the top of the support base (56) is provided with a collection box (58), and the drain pipe (2) is positioned right above the collection box (58).
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| CN114486087A (en) * | 2022-03-21 | 2022-05-13 | 湖南路桥建设集团有限责任公司 | Impervious detection device of bridge engineering construction concrete |
| CN115931683B (en) * | 2023-03-15 | 2023-05-02 | 潍坊高新建设集团有限公司 | Building concrete impermeability test device and method |
| CN116086966B (en) * | 2023-03-24 | 2023-06-30 | 广东广泽实业有限公司 | General test equipment and method for performance of concrete product |
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