CN210198916U

CN210198916U - Concrete permeameter

Info

Publication number: CN210198916U
Application number: CN201921126140.8U
Authority: CN
Inventors: Libin Ling; 凌励斌; Peifei Zheng; 郑佩斐
Original assignee: Zhejiang Construction Engineering Testing Technology Co ltd
Current assignee: Zhejiang Construction Engineering Testing Technology Co ltd; Zhejiang Construction Engineering Group Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-03-27
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to a concrete permeameter, which comprises a case, a workbench arranged on the case, a base and a sleeve arranged on the workbench, a flange plate fixedly connected on the sleeve, and a constant pressure water supply mechanism arranged on the case and used for applying certain water pressure to a concrete test block in the sleeve, wherein a plurality of pressing plates which tightly support the flange plate on the base are rotatably connected on the workbench; the machine case is provided with a turnover mechanism for driving the plurality of pressing plates to synchronously rotate, and the turnover mechanism comprises sliding rods which penetrate through the pressing plates and are parallel to the rotating axes of the pressing plates, sliding chutes which are formed in the pressing plates and used for the sliding rods to slide along the length direction of the pressing plates, and a lifting assembly which is arranged on the machine case and used for driving the plurality of sliding rods to synchronously lift. This scheme has saved this operating procedure that the operator rotated the bolt repeatedly, has not only made things convenient for the operator greatly to telescopic installation and dismantlement, has still effectively improved work efficiency simultaneously.

Description

Concrete permeameter

Technical Field

The utility model belongs to the technical field of the technique of concrete test equipment and specifically relates to a concrete permeameter is related to.

Background

The concrete permeameter is used for measuring the impermeability of waterproof sand, and can be used for carrying out a comparison test of recycled concrete doped with a waterproof agent and reference concrete. The hydraulic pressure testing device is designed according to a hydraulic principle, a motor is used for dragging a water pump to apply pressure, and the motor is connected with a pressure container, a control valve, a test die holder and the like through pipelines. The pressure is output into the pressure container by the water pump. And then conveyed to each test piece system for loading test. The pipeline is provided with an electric contact pressure gauge and an electric control system, and the pressure can be regulated within a specified range of 0.1-1.5MPa to carry out a constant pressure test by regulating an electric contact in the electric contact pressure gauge.

Like the patent of publication No. CN207457022U, this patent provides a concrete permeameter, including the rack, set up the sleeve that is used for placing the concrete test block at the rack top, set up the water tank in the rack bottom and for the water tank normal water pressurize and carry the plunger pump of concrete test block bottom in the sleeve with water, still including setting up in the kicking plate of sleeve bottom and setting up in the kicking plate below and drive the kicking plate and carry out the jacking cylinder that moves, the kicking plate diameter slightly is less than the sleeve internal diameter, and the kicking plate periphery is equipped with and is used for sealed sealing rubber, the kicking plate center is seted up and is supplied water spun hole for water, the sleeve top is equipped with and prevents that the concrete test block from being held up by the fender material piece in the sleeve under water pressure.

Although the above-mentioned technique has made things convenient for the operator to take out the concrete test block that the test finishes, in actual course of working, the concrete test block that the cover has the rubber cylinder often need just can be put into the sleeve through the extrusion of punching machine, so the operator still will carry out comparatively frequent installation and dismantlement to the sleeve. When an operator installs the sleeve, the operator needs to screw the bolts one by one to enable the flange plate to be abutted against the rack, and when the operator dismantles the sleeve, the operator needs to unscrew the bolts on the flange plate one by one, so that the workload of the operator is greatly increased, and the working efficiency is seriously reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete permeameter has made things convenient for the operator to install and dismantle the sleeve, is favorable to improving work efficiency.

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

a concrete permeameter comprises a case, a workbench arranged on the case, a base and a sleeve which are arranged on the workbench, a flange plate fixedly connected on the sleeve, and a constant-pressure water supply mechanism which is arranged on the case and used for applying a certain water pressure to a concrete test block in the sleeve, wherein a plurality of pressure plates which are used for tightly abutting the flange plate on the base are rotatably connected on the workbench; the machine case is provided with a turnover mechanism for driving the plurality of pressing plates to synchronously rotate, and the turnover mechanism comprises sliding rods, sliding chutes and a lifting assembly, wherein the sliding rods penetrate through the pressing plates and are parallel to the rotating axes of the pressing plates, the sliding chutes are formed in the pressing plates and used for the sliding rods to slide along the length direction of the pressing plates, and the lifting assembly is arranged on the machine case and used for driving the plurality of sliding rods to synchronously lift.

Through adopting above-mentioned technical scheme, when needs are installed the sleeve, the operator places the ring flange on the sleeve on the base, then the synchronous downward emergence of many slide bars of rethread lifting unit drive removes, and the slide bar then can take place to slide in the spout and drive the clamp plate and take place to rotate towards the ring flange, and the clamp plate is finally with the butt on the ring flange and make the ring flange support tightly on the base firmly, alright start constant voltage water supply mechanism afterwards carries out constant voltage test to the concrete test block. When the sleeve needs to be disassembled, the operator can reversely perform the operation once again, and the operation is very convenient and fast. Compared with the prior art, the operation step that the operator repeatedly rotates the bolt is omitted, so that the installation and the disassembly of the operator on the sleeve are greatly facilitated, and meanwhile, the working efficiency is effectively improved.

The utility model discloses further set up to: the lifting assembly comprises a connecting rod fixedly connected to the end part of the sliding rod, and the lower end of the connecting rod vertically penetrates through the workbench and extends into the case; the lifting assembly further comprises a connecting plate fixedly connected with the lower ends of the connecting rods and an air cylinder arranged in the case and used for driving the connecting plate to move up and down.

Through adopting above-mentioned technical scheme, the operator starts the cylinder and drives the connecting plate and take place to remove from top to bottom, and many connecting rods and many slide bars just can take place to remove from top to bottom along with the connecting plate is synchronous, and the structure principle is simple, and it is very convenient to operate, has still saved the manufacturing cost of device self in addition.

The utility model discloses further set up to: the upper surface of base has seted up the round annular, fixedly connected with and annular joint complex card strip on the ring flange.

Through adopting above-mentioned technical scheme, the setting of annular and card strip, one can make the butt joint between base and the sleeve more accurate and high-efficient, two be favorable to improving stability and structural strength between the two, avoided sleeve and base to take place the condition of dislocation.

The utility model discloses further set up to: the notch of the ring groove is flared.

By adopting the technical scheme, the flaring of the annular groove can increase the area at the notch of the annular groove, so that the clamping strip can be inserted into the annular groove more smoothly, and the operation of an operator is facilitated.

The utility model discloses further set up to: the sliding rod is rotatably sleeved with a rotary drum abutted to the inner wall of the sliding groove.

Through adopting above-mentioned technical scheme, the rotary drum can become the sliding friction that sliding rod and spout inside wall contact produced rotational friction, has reduced the resistance that the sliding rod received at the slip in-process, and then makes the slip of sliding rod more smooth and easy.

The utility model discloses further set up to: and the pressing plate is fixedly connected with a first rubber pad which is abutted against the flange plate.

Through adopting above-mentioned technical scheme, because the coefficient of friction of rubber self is bigger than the clamp plate of ordinary material, the setting up of first rubber pad has increased the frictional force between clamp plate and the ring flange promptly, makes the stability after the sleeve installation better, and the sleeve is difficult to take place to rock. In addition, the flexible first rubber pad can also play a certain degree of protective action to the ring flange.

The utility model discloses further set up to: and the base is fixedly connected with a second rubber pad which is abutted against the flange plate.

Through adopting above-mentioned technical scheme, when the ring flange supported tightly on the base, the second rubber pad will be full of the gap packing between ring flange and the base, has reduced the probability that water oozed from this gap among the test procedure, is favorable to improving the accuracy nature of test.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arrangement of the pressing plate and the turnover mechanism saves the operation step of repeatedly rotating the bolt by an operator, thereby not only facilitating the installation and the disassembly of the sleeve, but also being beneficial to improving the working efficiency;

2. the arrangement of the ring grooves and the clamping strips not only enables the butt joint between the base and the sleeve to be more accurate and efficient, but also can improve the stability and the structural strength between the base and the sleeve, and avoids the dislocation of the sleeve and the base;

3. the arrangement of the rotary drum can ensure that the sliding of the sliding rod is smoother;

4. the arrangement of the first rubber pad not only enables the stability of the sleeve after installation to be better, but also can protect the flange plate to a certain extent;

5. the arrangement of the second rubber pad can reduce the probability of water seeping out from the gap in the test process, and is favorable for improving the test accuracy.

Drawings

Fig. 1 is a schematic sectional structure diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a chassis; 2. a work table; 3. a base; 4. a sleeve; 5. a flange plate; 6. pressing a plate; 7. a first rubber pad; 8. a rotating shaft; 9. a slide bar; 10. a chute; 11. a rotating drum; 12. a connecting rod; 13. a connecting plate; 14. a cylinder; 15. a ring groove; 16. clamping the strip; 17. and a second rubber pad.

Detailed Description

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

Referring to fig. 1 and 2, a concrete permeameter comprises a case 1, a workbench 2 installed on the case 1, a base 3 fixedly connected to the upper surface of the workbench 2 and having a circular cross section, a sleeve 4 placed on the base 3 and used for containing concrete test blocks, a flange 5 fixedly connected to the outer side wall of one end of the sleeve 4, four pressing plates 6 arranged on the workbench 2 and used for tightly pressing the flange 5 on the base 3, the four pressing plates 6 are distributed around the base 3 at equal angular intervals, and the lower surface of each pressing plate 6 is fixedly connected with a layer of first rubber pad 7; the concrete permeameter also comprises a constant-pressure water supply mechanism which is arranged on the case 1 and used for applying certain water pressure to the concrete test block in the sleeve 4. After an operator places the flange 5 on the sleeve 4 on the upper surface of the base 3, the four pressing plates 6 are pressed on the upper surface of the flange 5, the flange 5 is firmly abutted against the base 3, and the operator starts the constant-pressure water supply mechanism to apply certain water pressure to the concrete test block in the sleeve 4, so that the constant-pressure test on the concrete test block can be started. It should be noted that the constant pressure water supply mechanism has been clearly explained in the comparison document, and therefore, the content of the constant pressure water supply mechanism will not be explained.

Referring to fig. 2, four rotating shafts 8 in a horizontal state are arranged around the base 3, the positions of the four rotating shafts 8 correspond to the positions of the four pressing plates 6 one by one, and the pressing plates 6 are rotatably sleeved on the corresponding rotating shafts 8. Each pressing plate 6 is provided with a sliding rod 9 in a horizontal state in a penetrating way, and the sliding rods 9 are parallel to the corresponding rotating shafts 8. A sliding chute 10 for the sliding rod 9 to slide is formed in each pressing plate 6, the length direction of the sliding chute 10 is consistent with that of the pressing plate 6, and the rotating rod is rotatably sleeved with a rotating drum 11 abutted to the inner wall of the sliding chute 10. The both ends of slide bar 9 all wear out spout 10 and fixedly connected with is the connecting rod 12 of vertical setting, and the lower extreme of connecting rod 12 passes workstation 2 and stretches into the inside of quick-witted case 1. A four-fork-shaped connecting plate 13 is arranged in the case 1, the connecting plate 13 is positioned under the base 3, and the upper surface of the connecting plate 13 is fixedly connected with the lower ends of the connecting rods 12. An air cylinder 14 for driving the connecting plate 13 to move up and down is further installed in the case 1, and the air cylinder 14 is connected with an air pump through an air pipe. After the flange 5 on the sleeve 4 is placed on the base 3, an operator drives the connecting plate 13 to move downwards through the air cylinder 14, the connecting rod 12 and the sliding rod 9 move downwards along with the connecting plate 13 synchronously, the sliding rod 9 slides in the sliding groove 10 and drives the pressing plate 6 to turn around the rotating shaft 8, the pressing plate 6 is finally pressed on the upper surface of the flange 5, the flange 5 is firmly abutted to the base 3, and therefore, the installation operation of the sleeve 4 is completed, and the operator can start to perform a constant pressure test on a concrete test block. If the sleeve 4 is to be disassembled, the operator reverses the operation again so that the pressing plate 6 does not interfere with the flange 5.

The upper surface of base 3 has seted up round annular 15, and the axis of annular 15 and the coincidence of the axis of base 3, and the notch department of annular 15 is the flaring setting. The flange 5 is fixedly connected with a circle of clamping strips 16 which are clamped and matched with the annular grooves 15, and the central axis of each clamping strip 16 is superposed with the central axis of the sleeve 4. When the sleeve 4 is placed on the base 3, the clamping strips 16 on the flange 5 are inserted into the ring grooves 15, so that the sleeve 4 can be placed on the base 3 quickly and accurately, and the stability between the sleeve 4 and the base 3 can be improved.

The upper surface of the base 3 is fixedly connected with a layer of second rubber pad 17. When the flange plate 5 is tightly propped against the base 3, the second rubber pad 17 deforms and fills the gap between the flange plate 5 and the base 3, so that the probability of water seeping out from the gap in the test process is reduced, and the test accuracy is higher.

The implementation principle of the embodiment is as follows: after the flange 5 on the sleeve 4 is placed on the base 3, an operator drives the connecting plate 13 to move downwards through the air cylinder 14, the connecting rod 12 and the sliding rod 9 move downwards along with the connecting plate 13 synchronously, the sliding rod 9 slides in the sliding groove 10 and drives the pressing plate 6 to turn around the rotating shaft 8, the pressing plate 6 is finally pressed on the upper surface of the flange 5, the flange 5 is firmly abutted to the base 3, and therefore, the installation operation of the sleeve 4 is completed, and the operator can start to perform a constant pressure test on a concrete test block. If the sleeve 4 is to be disassembled, the operator reverses the operation again so that the pressing plate 6 does not interfere with the flange 5.

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 permeameter, includes quick-witted case (1), workstation (2) of setting on quick-witted case (1), base (3) and sleeve (4) of setting on workstation (2), fixed connection flange dish (5) on sleeve (4) to and set up and be used for applying certain hydraulic constant pressure water supply mechanism, its characterized in that to the concrete test block in sleeve (4) on quick-witted case (1): the workbench (2) is rotatably connected with a plurality of pressing plates (6) which tightly press the flange plate (5) against the base (3); the turnover mechanism is characterized in that the machine case (1) is provided with a turnover mechanism for driving the plurality of pressing plates (6) to synchronously rotate, and the turnover mechanism comprises sliding rods (9) which penetrate through the pressing plates (6) and are parallel to the rotating axes of the pressing plates (6), sliding grooves (10) which are arranged on the pressing plates (6) and used for the sliding rods (9) to slide along the length direction of the pressing plates (6), and a lifting assembly which is arranged on the machine case (1) and used for driving the plurality of sliding rods (9) to synchronously lift.

2. A concrete penetrometer as claimed in claim 1, characterized in that: the lifting assembly comprises a connecting rod (12) fixedly connected to the end part of the sliding rod (9), and the lower end of the connecting rod (12) vertically penetrates through the workbench (2) and extends into the case (1); the lifting assembly further comprises a connecting plate (13) fixedly connected with the lower ends of the connecting rods (12) and an air cylinder (14) arranged in the case (1) and used for driving the connecting plate (13) to move up and down.

3. A concrete penetrometer as claimed in claim 1, characterized in that: the upper surface of base (3) has seted up round annular (15), fixedly connected with and annular (15) joint complex card strip (16) on ring flange (5).

4. A concrete penetrometer as claimed in claim 3, characterized in that: the notch of the ring groove (15) is flared.

5. A concrete penetrometer as claimed in claim 1, characterized in that: the sliding rod (9) is rotatably sleeved with a rotary drum (11) which is abutted against the inner wall of the sliding chute (10).

6. A concrete penetrometer as claimed in claim 1, characterized in that: and the pressing plate (6) is fixedly connected with a first rubber pad (7) which is abutted against the flange plate (5).

7. A concrete penetrometer as claimed in claim 1, characterized in that: and a second rubber pad (17) which is abutted against the flange plate (5) is fixedly connected to the base (3).