CN213971766U

CN213971766U - Concrete permeameter

Info

Publication number: CN213971766U
Application number: CN202021935754.3U
Authority: CN
Inventors: 肖云波
Original assignee: Kunming Co Construction Concrete Co ltd
Current assignee: Kunming Co Construction Concrete Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-08-17
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to a concrete technical field. The concrete permeameter with high working efficiency comprises a case and a plurality of test molds arranged at the top of the case, wherein a top frame is also arranged above the case and is connected with the case through a stand column; the lifting mechanism is characterized in that a vertical guide rod and a vertical screw rod are arranged between the top frame and the case, the positions of the guide rod and the screw rod are opposite to the two ends of the top frame, a lifting sleeve is sleeved on the guide rod and the screw rod respectively, the lifting sleeve on the guide rod is in sliding fit with the guide rod, the lifting sleeve on the screw rod is in threaded fit with the screw rod, and the upper end of the screw rod is in transmission connection with a lifting motor fixedly arranged on the top frame. The utility model discloses can be high-efficient stable scribble the release agent in trying the mould, subsequent drawing of patterns operation of being convenient for has improved the work efficiency of permeameter.

Description

Concrete permeameter

Technical Field

The utility model relates to a concrete technical field, concretely relates to concrete permeameter.

Background

The concrete permeameter is a special instrument for detecting the permeability of concrete, and generally comprises a case and a cylindrical test mold arranged at the top of the case, wherein the concrete is held in the test mold for detection during use. In order to facilitate the rapid removal of the concrete in the test mold after the detection is completed, a release agent is usually coated on the inner wall of the test mold, and the coating is performed manually in a traditional manner, but the efficiency of the method is extremely low. For this reason, patent document No. CN211235429U discloses a concrete infiltration instrument, which uses a brush to insert into a test mold, thereby coating a demolding machine on the inner wall of the test mold, but because the brush coats a demolding agent in a straight-up and straight-down manner, the coating effect is not good, the uniform coating of the demolding agent on the entire inner wall of the test mold cannot be ensured, and the subsequent mold supporting effect is not ideal, thereby affecting the working efficiency.

Disclosure of Invention

An object of the utility model is to provide a concrete permeameter that work efficiency is high.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a concrete permeameter comprises a case and a plurality of test molds arranged on the top of the case, wherein a top frame is also arranged above the case and is connected with the case through a stand column;

a vertical guide rod and a lead screw are arranged between the top frame and the case, the positions of the guide rod and the lead screw are opposite to the two ends of the top frame, a lifting sleeve is respectively sleeved on the guide rod and the lead screw, the lifting sleeve on the guide rod is in sliding fit with the guide rod, the lifting sleeve on the lead screw is in threaded fit with the lead screw, and the upper end of the lead screw is in transmission connection with a lifting motor fixedly arranged on the top frame; a lifting plate is further arranged between the two lifting sleeves, two ends of the lifting plate are fixedly connected with the two lifting sleeves respectively, and a plurality of smearing components are arranged on the lifting plate corresponding to the positions of the test molds;

the smearing component comprises a vertical pipe, the vertical pipe is mounted on a lifting plate through a bearing, a sponge cleaning head matched with an inner cavity of the test mold is arranged at the lower end of the vertical pipe, side holes are formed in the side wall of the vertical pipe opposite to the sponge cleaning head, a stabilizing sleeve is sleeved outside the vertical pipe, the stabilizing sleeve is in a cap shape, a pipe hole is formed in the top surface of the stabilizing sleeve, and the vertical pipe penetrates through the pipe hole and is in rotating fit with the stabilizing sleeve; the lower end of the stabilizing sleeve is provided with a stepped shoulder, and the inner diameter of the shoulder is matched with the outer diameter of the upper end of the test mold; a return spring is sleeved outside the vertical pipe and is positioned between the stabilizing sleeve and the lifting plate; the top of lifter plate still is provided with violently the pipe, the upper end of standpipe is through rotary joint and violently manage the intercommunication, be provided with on the standpipe of rotary joint below from the driving wheel, the one end of lifter plate still is provided with the rotating electrical machines, the output of rotating electrical machines is provided with the action wheel, the action wheel with from being connected through the drive belt between the driving wheel, constitute transmission cooperation.

Preferably, the peripheral surface of the vertical rod is provided with an upper stop disc and a lower stop disc, and the bearing is positioned between the upper stop disc and the lower stop disc.

Preferably, the top frame is provided with a chemical box, the bottom surface of the chemical box is provided with a chemical outlet, the chemical outlet is communicated with the transverse pipe through a connecting hose, and a valve is arranged in the chemical outlet.

The beneficial effects of the utility model are concentrated and are embodied in: the release agent can be efficiently and stably coated in the test mold, so that the subsequent demolding operation is facilitated, and the working efficiency of the permeameter is improved. Specifically, before normal detection, the utility model firstly coats the release agent in the test mold, when coating, the lifting motor is started to drive the screw rod to rotate, the screw rod is matched with the guide rod to drive the two lifting sleeves to move up and down along the guide rod, and further drive the lifting plate to move up and down; after the lifting plate moves downwards, firstly, the shoulder of the stabilizing sleeve is sleeved on the top of the test mold, then the lifting plate moves downwards continuously to drive the vertical pipe and the sponge cleaning head at the lower end of the vertical pipe to extend into the test mold; meanwhile, the rotating motor sequentially passes through the driving wheel, the transmission belt, the driven wheel and the vertical pipe to drive the sponge cleaning head to rotate, the release agent is fed into the horizontal pipe from the outside, passes through the rotating joint, the vertical pipe and the side hole, is absorbed by the sponge cleaning head, and is coated on the inner wall of the test mold in the continuous rotating process of the sponge cleaning head. Because the utility model discloses a rotation of sponge cleaning head carries out paining of release agent, and the degree of consistency of paining is better, can ensure that the whole surface of examination mould all is covered by the release agent, simultaneously, because stable cover establishes on examination mould, can form certain support to the standpipe lower extreme formation, consequently the standpipe is also more stable at the pivoted in-process, and life is longer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure shown in FIG. 1 in one use state;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B in fig. 2.

Detailed Description

As shown in fig. 1-4, a concrete permeameter, with the traditional permeameter box, the utility model discloses also include quick-witted case 1 and set up a plurality of examination moulds 2 at quick-witted case 1 top, as the concrete place of concrete piece deep-water type experiment in the examination mould 2. The utility model discloses a be characterized in that, the top of machine case 1 still is provided with roof-rack 3, roof-rack 3 is connected with machine case 1 through stand 4, and roof-rack 3 is regarded as the utility model discloses be located the installation basis of the component at top. For example: the utility model discloses but the chemical tank 23 of splendid attire release agent of adaptation, when being equipped with chemical tank 23, chemical tank 23 can directly set up on roof-rack 3, the bottom surface of chemical tank 23 is provided with out medicine mouth 24, go out medicine mouth 24 through coupling hose and the medicine mouth intercommunication that advances of paining the subassembly the utility model discloses in also exactly, go out medicine mouth 24 through coupling hose and violently manage 25 intercommunications, be provided with the valve in the medicine mouth 24. Of course, the cross tube 25 of the applicator assembly may be in direct communication with other sources of administration without the provision of the medicament container 23.

Vertical guide rod 5 and lead screw 6 are arranged between the top frame 3 and the case 1, the positions of the guide rod 5 and the lead screw 6 are opposite to the two ends of the top frame 3, a lifting sleeve 7 is respectively sleeved on the guide rod 5 and the lead screw 6, the lifting sleeve 7 on the guide rod 5 is in sliding fit with the guide rod 5, the lifting sleeve 7 on the lead screw 6 is in threaded fit with the lead screw 6, and the upper end of the lead screw 6 is in transmission connection with a lifting motor 8 fixedly arranged on the top frame 3. A lifting plate 9 is further arranged between the two lifting sleeves 7, two ends of the lifting plate 9 are fixedly connected with the two lifting sleeves 7 respectively, and the lifting plate 9 is driven to move by the movement of the lifting sleeves 7. A plurality of smearing components are arranged on the lifting plate 9 at positions corresponding to the test dies 2.

As shown in fig. 3 and 4, the smearing assembly includes a vertical tube 10, the vertical tube 10 is mounted on the lifting plate 9 through a bearing 11, and in order to improve the stability of the vertical tube 10 in the height direction of the lifting plate 9, it is preferable that an upper stop disc 21 and a lower stop disc 22 are further disposed on the peripheral surface of the vertical tube, and the bearing 11 is located between the upper stop disc 21 and the lower stop disc 22. The lower extreme of standpipe 10 is provided with the sponge cleaning head 12 with 2 inner chamber matched with of examination mould, be provided with side opening 13 on the standpipe 10 lateral wall that the sponge cleaning head 12 is relative for the release agent flows into sponge cleaning head 12 from within the standpipe 10. Sponge cleaning head 12 can insert in examination mould 2, realizes smearing of release agent through the rotation, because the length of standpipe 10 is longer relatively, and sponge cleaning head 12 is at the pivoted in-process, in order to keep its stability, the utility model discloses another big characteristics lie in, as shown in fig. 4, standpipe 10 still overlaps outward and is equipped with stable cover 14, stable cover 14 is the cap form, and the top surface of stable cover 14 is provided with the tube hole, standpipe 10 wears to establish in the tube hole and constitutes normal running fit with stable cover 14. The lower end of the stabilizing sleeve 14 is provided with a stepped shoulder 15, and the inner diameter of the shoulder 15 is matched with the outer diameter of the upper end of the test mold 2. The standpipe 10 is further sleeved with a return spring 16, and the return spring 16 is located between the stabilizing sleeve 14 and the lifting plate 9 and is used for driving the stabilizing sleeve 14 to return when the smearing assembly is lifted.

Regarding standpipe 10 pivoted drive mode, the utility model discloses, it is shown with 3 to combine fig. 1, the top of lifter plate 9 still is provided with violently pipe 25, rotary joint 26 and the intercommunication of violently pipe 25 are passed through to the upper end of standpipe 10, be provided with on the standpipe 10 of rotary joint 26 below from driving wheel 17, the one end of lifter plate 9 still is provided with rotating electrical machines 18, rotating electrical machines 18's output is provided with action wheel 19, action wheel 19 with from being connected through drive belt 20 between the driving wheel 17, constitute the transmission cooperation.

Before normal detection, the utility model firstly coats the release agent in the test mold 2, when coating, the lifting motor 8 is started to drive the screw rod 6 to rotate, the screw rod 6 is matched with the guide rod 5 to drive the two lifting sleeves 7 to move up and down along the guide rod 5, and further drive the lifting plate 9 to move up and down; after the lifting plate moves downwards, as shown in fig. 2 and 4, firstly, the shoulder 5 of the stabilizing sleeve 14 is sleeved on the top of the test mold 2, and then the lifting plate 9 moves downwards continuously to drive the vertical tube 10 and the sponge cleaning head 12 at the lower end of the vertical tube 10 to extend into the test mold 2 continuously; meanwhile, the rotating motor 18 sequentially passes through the driving wheel 19, the transmission belt 20, the driven wheel 17 and the vertical pipe 10 to drive the sponge cleaning head 12 to rotate, the release agent is supplemented into the transverse pipe 25 from the chemical box 23, passes through the rotary joint 26, the vertical pipe 10 and the side hole 13, is absorbed by the sponge cleaning head 12, and is coated on the inner wall of the test mold 2 in the continuous rotating process of the sponge cleaning head 12. Because the utility model discloses a rotation of sponge cleaning head 12 carries out paining of release agent, and the degree of consistency of paining is better, can ensure that the whole surface of examination mould 2 all is covered by the release agent, simultaneously, because the 14 covers of stabilizing sleeve are established on examination mould 2, can form certain support to the 0 lower extreme formation of standpipe, consequently standpipe 10 is also more stable at the pivoted in-process, and life is longer.

Claims

1. The utility model provides a concrete permeameter, includes quick-witted case (1) and sets up a plurality of examination moulds (2) at quick-witted case (1) top, its characterized in that: a top frame (3) is further arranged above the case (1), and the top frame (3) is connected with the case (1) through an upright post (4);

a vertical guide rod (5) and a vertical screw rod (6) are arranged between the top frame (3) and the case (1), the positions of the guide rod (5) and the screw rod (6) are opposite to the two ends of the top frame (3), a lifting sleeve (7) is respectively sleeved on the guide rod (5) and the screw rod (6), the lifting sleeve (7) on the guide rod (5) is in sliding fit with the guide rod (5), the lifting sleeve (7) on the screw rod (6) is in threaded fit with the screw rod (6), and the upper end of the screw rod (6) is in transmission connection with a lifting motor (8) fixedly arranged on the top frame (3); a lifting plate (9) is further arranged between the two lifting sleeves (7), two ends of the lifting plate (9) are fixedly connected with the two lifting sleeves (7) respectively, and a plurality of smearing components are arranged on the lifting plate (9) corresponding to the positions of the test molds (2);

the smearing assembly comprises a vertical pipe (10), the vertical pipe (10) is installed on a lifting plate (9) through a bearing (11), a sponge cleaning head (12) matched with an inner cavity of the test mold (2) is arranged at the lower end of the vertical pipe (10), a side hole (13) is formed in the side wall of the vertical pipe (10) opposite to the sponge cleaning head (12), a stabilizing sleeve (14) is further sleeved outside the vertical pipe (10), the stabilizing sleeve (14) is in a cap shape, a pipe hole is formed in the top surface of the stabilizing sleeve (14), and the vertical pipe (10) penetrates through the pipe hole and is in rotating fit with the stabilizing sleeve (14); the lower end of the stabilizing sleeve (14) is provided with a stepped shoulder (15), and the inner diameter of the shoulder (15) is matched with the outer diameter of the upper end of the test mold (2); a return spring (16) is further sleeved outside the vertical pipe (10), and the return spring (16) is positioned between the stabilizing sleeve (14) and the lifting plate (9); the top of lifter plate (9) still is provided with violently pipe (25), the upper end of standpipe (10) is passed through rotary joint (26) and is violently managed (25) intercommunication, be provided with on standpipe (10) of rotary joint (26) below from driving wheel (17), the one end of lifter plate (9) still is provided with rotating electrical machines (18), the output of rotating electrical machines (18) is provided with action wheel (19), be connected through drive belt (20) between action wheel (19) and the follow driving wheel (17), constitute the transmission cooperation.

2. The concrete penetrometer of claim 1, wherein: an upper stop disc (21) and a lower stop disc (22) are arranged on the circumferential surface of the vertical tube (10), and the bearing (11) is located between the upper stop disc (21) and the lower stop disc (22).

3. The concrete penetrometer of claim 2, wherein: be provided with on roof-rack (3) medicament case (23), the bottom surface of medicament case (23) is provided with out medicine mouth (24), go out medicine mouth (24) and violently manage (25) intercommunication through coupling hose, be provided with the valve in going out medicine mouth (24).