CN211905014U

CN211905014U - Concrete impermeability instrument

Info

Publication number: CN211905014U
Application number: CN202020370285.9U
Authority: CN
Inventors: 刘毅; 任波
Original assignee: Shaanxi Rongda Tiansheng Concrete Co ltd
Current assignee: Shaanxi Rongda Tiansheng Concrete Co ltd
Priority date: 2020-01-14
Filing date: 2020-03-21
Publication date: 2020-11-10
Anticipated expiration: 2030-03-21

Abstract

The utility model discloses a concrete anti-permeability apparatus relates to concrete detecting instrument's technical field, aim at solving the problem that current concrete anti-permeability apparatus test efficiency is low, it includes the workstation, locate a plurality of fixing bases on the workstation mesa, locate cover mould on the fixing base and locate the water supply installation of workstation bottom, the workstation top is equipped with the clamp plate, be equipped with elevating gear between clamp plate and the workstation, be equipped with the pressure hole corresponding to the cover mould on the clamp plate, the diameter in pressure hole is less than the external diameter of cover mould, be equipped with locating component between cover mould and the fixing base. The utility model discloses have and make things convenient for cover die location and installation, improve test efficiency's beneficial effect greatly.

Description

Concrete impermeability instrument

Technical Field

The utility model belongs to the technical field of the technique of concrete detecting instrument and specifically relates to a concrete anti-permeability apparatus is related to.

Background

The impermeability of concrete refers to the ability of the material used in the construction to resist the penetration of water or other liquid (light oil, heavy oil) media under pressure, and is an important index for evaluating the quality and durability of concrete, and also a necessary inspection index for strict quality control of concrete in each engineering quality monitoring station. The concrete impermeability instrument is needed in the process of detecting the concrete test block. The process of using the concrete impermeability instrument to test the sound resistance of the concrete is as follows: the method comprises the following steps that a tester selects different types of concrete samples, coats sealing layers on the surfaces of the concrete samples respectively, takes out a sleeve mold from a fixed seat, presses the concrete samples into the sleeve mold respectively by using a pressure device, installs the sleeve mold with the concrete samples in the fixed seat through bolts respectively, opens a knob of a valve, sets an initial pressure value of a water outlet device, and feeds water to the concrete samples in the sleeve mold by the water outlet device, wherein quantitative water pressure needs to be increased at intervals; and then, observing whether the top end surface of the concrete sample has water seepage phenomena through a tester, if two of the top end surfaces have the water seepage phenomena, closing a knob of a corresponding valve, checking a pressure value on an adjusting meter of a water pressure adjusting device, and converting the anti-permeability grade of the concrete sample according to a formula. Because every cover die all needs to use a plurality of bolts to fix, the fixed process is loaded down with trivial details, and test efficiency is extremely low.

In order to solve the technical problem, the invention with the publication number of CN108572133A discloses a concrete impermeability instrument, which comprises a base station, wherein the base station is provided with a plurality of cover dies and a cover die seat, the bottom of each cover die is provided with a mounting ring, the bottom of each mounting ring is provided with a first sealing ring, the outer wall of each first sealing ring is provided with threads, the cover die seat is provided with a thread groove matched with the first sealing ring, the bottom of the thread groove is provided with a first sealing gasket matched with the first sealing ring, the bottom of each mounting ring is also provided with a second sealing ring, the diameter of each second sealing ring is larger than that of the first sealing ring, the second sealing ring is coaxial with the first sealing ring, the cover die seat is provided with a sealing groove matched with the second sealing ring, and the second.

According to the concrete impermeability tester, the sleeve die can be screwed on the sleeve die seat, and the sleeve die does not need to be mounted and dismounted by a plurality of bolts during testing, so that the time is greatly saved, the testing efficiency is improved, the structure is simple, and the assembly and disassembly are convenient.

However, when the concrete is permeated, a plurality of cover dies still need to be installed respectively, the fixing process of the cover dies is not simple and convenient enough, and the improvement on the test efficiency is limited.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a concrete anti-permeability apparatus, it has makes things convenient for cover die location and installation, improves test efficiency's beneficial effect greatly.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a concrete impermeability instrument, includes the workstation, locates a plurality of fixing bases on the workstation mesa, locate cover mould on the fixing base and locate the water supply installation of workstation bottom, the workstation top is equipped with the clamp plate, the clamp plate with be equipped with elevating gear between the workstation, be equipped with on the clamp plate and press the hole corresponding to the cover mould, the diameter in pressing the hole is less than the external diameter of cover mould, cover mould with be equipped with locating component between the fixing base.

Through adopting above-mentioned technical scheme, after the good concrete test block in the cover mould, place the cover mould on the fixing base, practical locating component fixes a position, then pushes down through elevating gear drive clamp plate, and the clamp plate contacts simultaneously with a plurality of cover moulds after descending to compress tightly a plurality of cover moulds simultaneously, expose from pressing the hole at the concrete test block top in the cover mould, thereby the personnel of being convenient for check the infiltration condition in the experimentation. In the device, through setting up the clamp plate, need not to carry out solitary installation to every cover mould in the testing process, only need place it on the particular position on the fixing base through locating component, then unify through the clamp plate and compress tightly it, just can avoid installing unstably at impervious experimental in-process cover mould, after the experiment finishes, only need rise the clamp plate, can take down each cover mould in proper order, improved impervious experimental efficiency greatly.

The present invention may be further configured in a preferred embodiment as: the positioning assembly comprises a positioning boss and a positioning groove which are arranged on the edge of the fixing seat at intervals, the cover die is provided with a positioning clamping groove and a positioning clamping table which are correspondingly arranged on the positioning boss and the positioning groove, the positioning boss is matched with the positioning clamping groove, and the positioning groove is matched with the positioning clamping table.

Through adopting above-mentioned technical scheme, locating component not only can restrict cover mould position on vertical board direction, can also prevent the removal and the rotation of cover mould in the horizontal plane, and the location of cover mould is more stable, can not take place pressure leakage after the pressurized.

The present invention may be further configured in a preferred embodiment as: and a circle of sealing gasket is arranged on the surfaces of the positioning boss and the positioning groove.

Through adopting above-mentioned technical scheme, when a plurality of cover moulds receive the pressure of clamp plate simultaneously, if the pressure that each cover mould received has slight difference, can cushion through the deformation of sealing gasket's elasticity for each cover mould homoenergetic keeps in close contact with between the fixing base, avoids taking place pressure leakage among the test process, simultaneously, has still avoided the damage that the rigidity extrusion between cover mould and the fixing base caused.

The present invention may be further configured in a preferred embodiment as: the lifting device comprises at least two cantilevers arranged at the edge of the workbench, the cantilevers are arranged in a C shape, the lower ends of the cantilevers are fixed at the edge of the workbench, a lead screw is vertically and rotatably connected between the upper end and the lower end of the C-shaped arm, a motor is arranged on the cantilevers, an output shaft of the motor is coaxial with the lead screw, and the pressing plate is in threaded connection with the lead screw.

Through adopting above-mentioned technical scheme, during the experiment, the starter motor, the rotation of motor drive with it coaxial coupling obtains the lead screw and rotates, the rotation of lead screw drive with it threaded connection's clamp plate lift, the clamp plate descends, compresses tightly the cover die to motor stall after compressing tightly, the pressurize is until experimental completion, then the motor reversal, the clamp plate rises, to cover die release pressure, makes the cover die after the experiment be convenient for take off.

The present invention may be further configured in a preferred embodiment as: a guide rod is vertically arranged on the workbench and vertically penetrates through the pressing plate.

Through adopting above-mentioned technical scheme, the guide bar has the guide effect to the lift of clamp plate, has guaranteed the holistic synchronous lift of clamp plate, has avoided the clamp plate to take place the slope at the in-process that goes up and down, and simultaneously, the guide bar can also share the clamp plate to the horizontal power of lead screw, has protected the lead screw.

The present invention may be further configured in a preferred embodiment as: the diameter of the pressing hole is smaller than the diameter of an inner hole of the cover die.

By adopting the technical scheme, after the pressing plate descends, the cover die can be pressed from the upper part of the cover die, and the concrete test block can be pressed from the periphery of the concrete test block, so that when the impermeability instrument is used, in order to further improve the test efficiency, the concrete test block to be tested can be placed on the inner hole of the cover die, the pressing plate is used for directly pressing downwards, the concrete test block is firstly pressed into the inner hole of the cover die in the pressing plate pressing-downwards process, then the cover die and the fixed seat are pressed tightly, the process that the concrete test block is respectively pressed into the cover die by the pressing machine is further saved, the time of the impermeability test of concrete is further saved, and the impermeability test efficiency of the concrete is greatly improved.

The present invention may be further configured in a preferred embodiment as: the ejection plate is arranged above the pressing plate and parallel to the pressing plate, an ejection block is arranged at the bottom of the ejection plate corresponding to the pressing hole, the diameter of the ejection block is smaller than that of the pressing hole, at least two cylinders are arranged between the pressing plate and the ejection plate, the cylinder body of each cylinder is connected onto the pressing plate, and the piston rod is connected onto the ejection plate.

By adopting the technical scheme, after the test is finished, the concrete test block is usually difficult to take out of the cover die, at the moment, the cover die can be rotated by a certain angle, the positioning clamp table is in contact with the positioning lug boss, the positioning clamp groove is opposite to the positioning groove, so that a certain gap is formed between the lower end surface of the concrete test block and the fixed seat, then the pressure plate is lowered to a position higher than the cover die again, the air cylinder is started again, the air cylinder drives the ejection plate to descend, the ejection plate is driven to penetrate out of the middle of the pressure hole and eject against the top end of the concrete test block after descending, the air cylinder continuously applies force to eject the concrete test block out of the cover die, finally, the piston rod of the air cylinder is started to drive the ejection plate to ascend, a worker takes down the cover die and the concrete test block which is separated from the cover die, the table top is cleaned, the concrete test is finished, and the demolding time is greatly saved, further, the test efficiency is improved.

The present invention may be further configured in a preferred embodiment as: the positioning boss is connected with a positioning pin, and the positioning slot and the positioning clamp platform are provided with positioning holes matched with the positioning pin at positions corresponding to the positioning pin.

Through adopting above-mentioned technical scheme, the setting up of locating pin further makes the location between cover mould and the fixing base more accurate, can not take place to rock after the pressurized.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the pressing plate, each sleeve die does not need to be installed independently in the test process, the sleeve dies are placed on a specific position on the fixed seat only through the positioning assembly and then are uniformly pressed through the pressing plate, the sleeve dies can be prevented from being installed unstably in the anti-permeability test process, and after the test is finished, each sleeve die can be taken down in sequence only by lifting the pressing plate, so that the anti-permeability test efficiency is improved;

2. the diameter of the pressing hole is controlled to be smaller than the diameter of the inner hole of the sleeve die, so that the concrete test block is firstly pressed into the inner hole of the sleeve die in the pressing process of the pressing plate, and then the sleeve die and the fixed seat are tightly pressed, the process that the concrete test block is respectively pressed into the sleeve die by a pressing machine is further omitted, the time of a concrete impermeability test is saved, and the efficiency of the concrete impermeability test is greatly improved;

3. through setting up the liftout plate, after experimental, utilize the ejecting piece of liftout plate bottom to carry out ejecting to the concrete test block, solved the difficult problem of drawing of patterns, saved the drawing of patterns time, further improved test efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the mating portion of the cover die and the fixing base.

Fig. 3 is a schematic view of the structure of the cover die.

In the figure, 1, a workbench; 2. a fixed seat; 3. sleeving a mold; 4. pressing a plate; 41. pressing the hole; 5. a lifting device; 51. a cantilever; 52. a screw rod; 53. a motor; 54. a guide bar; 6. a positioning assembly; 61. positioning the boss; 62. a positioning groove; 63. positioning the clamping table; 64. positioning the clamping groove; 7. a gasket; 8. positioning pins; 9. positioning holes; 10. ejecting the plate; 11. ejecting a block; 12. a cylinder; 13. and a guide post.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the concrete impermeability instrument disclosed by the utility model comprises a workbench 1, a plurality of fixed seats 2 arranged on the table-board of the workbench 1, a cover die 3 arranged on the fixed seats 2 and a water supply device (not shown in the figure) arranged at the bottom of the workbench 1, a press plate 4 is arranged above the workbench 1, a lifting device 5 is arranged between the press plate 4 and the workbench 1, a press hole 41 is arranged on the press plate 4 corresponding to the cover die 3, the diameter of the press hole 41 is smaller than the inner hole diameter of the cover die 3, the diameter of the press hole 41 is the inner hole and the diameter 2/3 of the cover die 3, during the test process, the press plate 4 not only can press the cover die 3 tightly to ensure the smooth proceeding of the test process, but also can press the concrete test block which is not completely entered into the cover die 3, thereby not only saving the time for individually fixing the cover die 3, but also saving the process of pressing the concrete test block into the cover die 3 by a press, the impermeability test efficiency of the concrete test block is greatly improved.

Referring to fig. 2 and 3, in order to prevent the sleeve mold 3 from shaking and translocation during the test, a positioning assembly 6 is arranged between the sleeve mold 3 and the fixed seat 2, the positioning assembly 6 comprises a positioning boss 61 and a positioning groove 62 which are arranged on the edge of the fixed seat 2 at intervals, a positioning slot 64 and a positioning clamp platform 63 are arranged on the sleeve mold 3 corresponding to the positioning boss 61 and the positioning groove 62, the positioning boss 61 is matched with the positioning slot 64, the positioning groove 62 is matched with the positioning clamp platform 63, a circle of sealing gasket 7 is arranged on the surfaces of the positioning boss 61 and the positioning groove 62 to ensure that each sleeve mold 3 can be tightly contacted with the fixed seat 2, so as to avoid pressure leakage during the test, meanwhile, a positioning pin 8 is connected on the positioning boss 61, a positioning hole 9 matched with the positioning pin 8 is arranged on the positioning slot 64 and the positioning clamp platform 63 corresponding to the positioning pin 8, the setting of locating pin 8 further makes the location between cover die 3 and fixing base 2 more accurate, can not take place to rock after the pressurized.

Referring to fig. 1, elevating gear 5 is including locating two at least cantilevers 51 at workstation 1 edge, cantilever 51 establishes to the C shape, cantilever 51's lower extreme is fixed in workstation 1 edge, C shape arm in this embodiment is provided with two in workstation 1 both sides altogether, on the C shape arm, vertical rotation is connected with lead screw 52 between the lower both ends, cantilever 51 below fixedly connected with motor 53, the output shaft and the coaxial fixed connection of lead screw 52 of motor 53, clamp plate 4 threaded connection is on lead screw 52, the vertical four guide bars 54 that are provided with on the workstation 1, the vertical setting that runs through clamp plate 4 of guide bar 54. The guide rod 54 has a guiding effect on the lifting of the pressing plate 4, the integral synchronous lifting of the pressing plate 4 is ensured, the pressing plate 4 is prevented from inclining in the lifting process, meanwhile, the guide rod 54 can also share the transverse force of the pressing plate 4 on the screw rod 52, and the screw rod 52 is protected.

Referring to fig. 1, after the experiment was accomplished, the concrete test block is difficult usually to take out from cover die 3, the extravagant a large amount of time of process of taking out, in order to further save time in this process, clamp plate 4 top and clamp plate 4 parallel be provided with ejector plate 10, ejector plate 10 bottom is provided with ejector block 11 corresponding to pressure hole 41, ejector block 11's diameter is less than the diameter of pressure hole 41, be provided with two at least cylinders 12 between clamp plate 4 and the ejector plate 10, cylinders 12's cylinder body is connected on clamp plate 4, the piston rod is connected on ejector plate 10, the utility model discloses cylinder 12 in this embodiment is provided with two altogether, is located clamp plate 4 both sides respectively, and simultaneously, clamp plate 4 top is vertical to be provided with four guide posts 13, and guide post 13 is vertical to run through ejector plate 10 and sets up.

The utility model discloses a concrete impervious appearance's specific use method does: during the use, at first with cover die 3 according to with positioning groove 64 card in 2 marginal location boss 61 of fixing base, the mode of location card platform 63 in the positioning groove 62 on the fixing base edge is fixed a position cover die 3, the locating pin 8 is inserted in the locating hole 9 on cover die 3 this moment, then will treat that the experimental concrete test block is placed on the hole of each cover die 3, the adjustment direction for the terminal surface of concrete test block keeps the level basically. Then the motor 53 is started, the motor 53 rotates to drive the screw rod 52 to rotate, the screw rod 52 rotates to drive the pressing plate 4 in threaded connection with the screw rod to descend, the pressing plate 4 is firstly pressed on the concrete test block in the descending process, the concrete test block is gradually pressed into the cover die 3, the pressing plate 4 contacts the cover die 3 along with the continuous descending of the pressing plate 4, the cover die 3 is tightly pressed on the fixing seat 2, and the pressure leakage cannot be generated in the test process. Then the motor 53 stops rotating, the pressure plate 4 maintains the pressure of the pressure plate 4 of the cover die 3 until the test is finished, in the process, the air cylinder 12 is in an ejection state, personnel can observe whether water seeps from the surface of the concrete test block from the pressure hole 41, and when water seeps from the surfaces of two concrete test blocks in 6 cover dies 3, the motor 53 is started to rotate reversely, so that the pressure plate 4 is driven to rise to release the pressure to the cover dies 3.

Then, the demolding process is carried out, after the pressing plate 4 rises, a worker rotates the sleeve mold 3 with the concrete test block inside to a certain angle, the positioning clamp table 63 is in contact with the positioning boss 61, the positioning clamp groove 64 is opposite to the positioning groove 62, the sleeve mold 3 is positioned through the positioning pin 8, a certain gap is formed between the lower end face of the concrete test block and the fixed seat 2 at the moment, then the motor 53 is started to drive the pressing plate 4 to fall to a position higher than the sleeve mold 3 again, the cylinder 12 is started again to drive the ejection plate 10 to fall, the ejection plate 10 is driven to drive the ejection block 11 to penetrate out of the middle of the pressing hole 41 and to be ejected at the top end of the concrete test block after falling, the cylinder 12 continuously applies force to eject the concrete test block out of the sleeve mold 3, finally, the piston rod of the cylinder 12 is started to drive the ejection block 11 to rise, meanwhile, the motor 53 drives the pressing plate 4 to rise, and the worker takes down the sleeve mold 3 and the concrete test block which is separated from the, and cleaning the table top to finish the concrete impermeability test.

The concrete impermeability test was carried out in three ways during this process: the concrete is pressed into the sleeve die 3, the sleeve die 3 is fixed and the demoulding process is carried out, so that the test time is greatly saved, and the test efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concrete anti-permeability apparatus, includes workstation (1), locates a plurality of fixing bases (2) on workstation (1) mesa, locate cover mould (3) on fixing base (2) and locate the water supply installation of workstation (1) bottom, its characterized in that: the stamping die is characterized in that a pressing plate (4) is arranged above the workbench (1), a lifting device (5) is arranged between the pressing plate (4) and the workbench (1), a pressing hole (41) is formed in the pressing plate (4) corresponding to the sleeve die (3), the diameter of the pressing hole (41) is smaller than the outer diameter of the sleeve die (3), and a positioning assembly (6) is arranged between the sleeve die (3) and the fixing seat (2).

2. The concrete impermeability instrument of claim 1, wherein: locating component (6) are including the spaced locating boss (61) and positioning groove (62) on fixing base (2) edge, be equipped with on cover die (3) with locating boss (61) with positioning groove (62) correspond and are provided with positioning groove (64) and locator card platform (63), positioning boss (61) with locator groove (64) cooperate, positioning groove (62) with locator card platform (63) cooperate.

3. The concrete impermeability instrument of claim 2, wherein: and a circle of sealing gasket (7) is arranged on the surfaces of the positioning boss (61) and the positioning groove (62).

4. The concrete impermeability instrument of claim 1, wherein: elevating gear (5) are including locating two at least cantilevers (51) at workstation (1) edge, cantilever (51) are established to C shape, the lower extreme of cantilever (51) is fixed in workstation (1) edge, vertical rotation is connected with lead screw (52) between the upper and lower both ends of C shape arm, be equipped with motor (53) on cantilever (51), the output shaft of motor (53) with lead screw (52) coaxial setting, clamp plate (4) threaded connection in on lead screw (52).

5. The concrete impermeability instrument of claim 4, wherein: a guide rod (54) is vertically arranged on the workbench (1), and the guide rod (54) vertically penetrates through the pressing plate (4).

6. The concrete impermeability instrument of claim 1, wherein: the diameter of the pressing hole (41) is smaller than the inner hole diameter of the cover die (3).

7. The concrete impermeability instrument of claim 2, wherein: the pressing plate (4) is arranged above the pressing plate (4) and is parallel to the pressing plate (4), an ejection plate (10) is arranged at the bottom of the ejection plate (10) corresponding to the pressure hole (41), an ejection block (11) is arranged on the ejection block (11), the diameter of the ejection block (11) is smaller than that of the pressure hole (41), at least two cylinders (12) are arranged between the pressing plate (4) and the ejection plate (10), the cylinder bodies of the cylinders (12) are connected onto the pressing plate (4), and the piston rods are connected onto the ejection plate (10).

8. The concrete impermeability instrument of claim 7, wherein: the positioning boss (61) is connected with a positioning pin (8), and a positioning clamping groove (64) and a positioning clamping table (63) corresponding to the positioning pin (8) are provided with positioning holes (9) matched with the positioning pin (8).