CN211741276U

CN211741276U - A device for cement quality testing

Info

Publication number: CN211741276U
Application number: CN202020048877.9U
Authority: CN
Inventors: 刘洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-10-23
Anticipated expiration: 2030-01-10

Abstract

The utility model provides a device for cement quality testing. A device for cement quality detects is including the case that condenses, kickboard and height measurement ware, the equal fixed mounting in both sides of case opening part that condenses has the fixed plate, and all install the pushing mechanism of two symmetric distributions on each fixed plate, pushing mechanism includes the threaded rod, the sliding sleeve, L type connecting rod and screw propulsion pipe, threaded rod fixed mounting is on the fixed plate and sets up perpendicularly, and the cover is equipped with sliding connection's sliding sleeve and screw propulsion pipe on the threaded rod, sliding sleeve and screw propulsion pipe distribute from top to bottom, and the interior pole wall fixed mounting of sliding sleeve has L type connecting rod, and the upper surface of kickboard respectively with four pushing mechanism in the connecting end fixed connection of L type connecting rod. The utility model provides a device for cement quality detection has the advantage that detects the cement inflation effect.

Description

A device for cement quality testing

Technical Field

The utility model relates to a check out test set technical field especially relates to a device for cement quality testing.

Background

Cement is a powdered hydraulic inorganic cementitious material. After being stirred by adding water, the mortar can be hardened in the air or better hardened in the water, and can firmly bond sand, stone and other materials together. Concrete made of cement cemented macadam not only has higher strength after hardening, but also can resist erosion of fresh water or salt-containing water, and the cement cemented macadam is used as an important cementing material for a long time and widely applied to engineering such as civil construction, water conservancy, national defense and the like.

The characteristics of different types and batches of cement are different, volume expansion cement is generated in the hydration and hardening process, and the volume of the portland cement shrinks when the portland cement is hardened in air. The shrinkage can cause the micro-cracks of the cement structure, reduce the compactness of the cement structure, influence the impermeability, frost resistance, corrosion resistance and the like of the structure, the volume of the expansive cement cannot be shrunk in the hardening process, and the expansive cement slightly expands, so that the adverse effect caused by the shrinkage can be solved, and the problem of poor compactness of the cement structure can be easily caused if the expansive cement expansion effect cannot meet the requirement.

Therefore, it is necessary to provide a device for cement quality inspection to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a device for cement quality testing with detect cement inflation effect.

The utility model provides a device for cement quality testing includes: the device comprises a condensation box, wherein fixed plates are fixedly arranged on two sides of an opening of the condensation box, two symmetrically-distributed pushing mechanisms are arranged on each fixed plate, each pushing mechanism comprises a threaded rod, a sliding sleeve, an L-shaped connecting rod and a threaded pushing pipe, the threaded rods are fixedly arranged on the fixed plates and are vertically arranged, the threaded rods are sleeved with the sliding sleeves in sliding connection and the threaded pushing pipes in threaded connection, the sliding sleeves and the threaded pushing pipes are vertically distributed, and the inner rod walls of the sliding sleeves are fixedly provided with the L-shaped connecting rods; the upper surface of the floating plate is fixedly connected with the connecting ends of the L-shaped connecting rods in the four pushing mechanisms respectively; and the two height measuring devices with the same specification are respectively arranged between the two pushing mechanisms on the same side of the fixed plate.

Preferably, the height measurement ware includes the connecting rod, the lagging, sliding plate and scale mark, the both ends of connecting rod respectively with two sliding sleeve fixed connection of homonymy on the fixed plate, and the interior pole wall fixed mounting of connecting rod has the lagging that the level set up, sliding plate fixed mounting is on the fixed plate and sets up perpendicularly, and the sliding plate passes the slip that the lagging was seted up and leads to the chamber and lead to chamber sliding connection with the slip, is equipped with the scale mark on the sliding plate, is convenient for take notes the inflation effect after the inflation cement condenses.

Preferably, the side wall of the condensation box is provided with an observation cavity, and a glass plate is fixedly embedded in the observation cavity, so that the condensation degree of the cement can be observed conveniently.

Preferably, the L-shaped connecting rod is made of light aluminum materials, and the floating plate is prevented from being sunk into cement due to the fact that the L-shaped connecting rod is too heavy.

Preferably, the floating plate is connected with the inner wall of the condensation box in a sliding mode, and cement is prevented from overflowing from the edges of the condensation box and the floating plate.

Preferably, a plurality of through holes which are uniformly distributed are formed in the floating plate, so that the coagulation rate of cement in the coagulation box is improved.

Compared with the prior art, the utility model provides a device for cement quality detection has following beneficial effect: the utility model discloses to condense incasement cement and pave the back, rotate four screw propulsion pipes to the bottom of threaded rod respectively, thereby the kickboard slide in condense the incasement and with cement upper surface contact, record scale mark A on the lagging this moment, treat the cement back that condenses, and the process of condensing cement takes place inflation or shrink, thereby the kickboard can rise or descend along with the inflation or the shrink of cement, consequently the connecting rod on the sliding sleeve drives the lagging along the sliding plate rises or descends, record scale mark B on the lagging this moment, contrast through data A and B detects with this the shrink or the inflation of inflation cement, thereby detect its quality with the contrast of demand data, avoid inflation cement not good at hardening in-process volume expansion effect, and can't solve because the unfavorable consequence that the cement shrink brought.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the apparatus for detecting cement quality according to the present invention;

fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. the device comprises a condensation box, 2, a floating plate, 3, a pushing mechanism, 31, a threaded rod, 32, a sliding sleeve, 33, an L-shaped connecting rod, 34, a threaded propelling pipe, 4, a height measurer, 41, a connecting rod, 42, a sleeve plate, 43, a sliding plate, 44, a scale mark, 5, a through hole, 6, an observation cavity, 7 and a glass plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the apparatus for detecting cement quality according to the present invention; fig. 2 is an enlarged schematic view of a portion a shown in fig. 1. The device for detecting the quality of cement comprises: a condensation box 1, a floating plate 2 and a height measurer 4.

In the specific implementation process, as shown in fig. 1, there are fixed plates at both sides of the opening of the condensation box 1, and each fixed plate is provided with two symmetrically distributed pushing mechanisms 3, each pushing mechanism 3 includes a threaded rod 31, a sliding sleeve 32, an L-shaped connecting rod 33 and a thread pushing pipe 34, the threaded rod 31 is fixedly mounted on the fixed plate and vertically arranged, the threaded rod 31 is sleeved with the sliding sleeve 32 and the thread pushing pipe 34 which are connected in a sliding manner, the sliding sleeve 32 and the thread pushing pipe 34 are distributed up and down, and the inner rod wall of the sliding sleeve 32 is fixedly provided with the L-shaped connecting rod 33, the upper surface of the floating plate 2 is fixedly connected with the connecting ends of the L-shaped connecting rods 33 of the four pushing mechanisms 3 respectively, and the height of the floating plate 2 is convenient to adjust.

Referring to fig. 2, two height measuring devices 4 with the same specification are respectively arranged between two pushing mechanisms 3 on the same side of the fixed plate, each height measuring device 4 comprises a connecting rod 41, a sleeve plate 42, a sliding plate 43 and scale marks 44, two ends of each connecting rod 41 are respectively fixedly connected with two sliding sleeves 32 on the same side of the fixed plate, the inner rod wall of each connecting rod 41 is fixedly provided with the sleeve plate 42 which is horizontally arranged, the sliding plate 43 is fixedly arranged on the fixed plate and vertically arranged, the sliding plate 43 penetrates through a sliding through cavity formed in the sleeve plate 42 and is in sliding connection with the sliding through cavity, and the scale marks 44 are arranged on the sliding plate 43, so that the expansion effect of the solidified expanded cement can be conveniently recorded.

It should be noted that: before cement is added into the coagulation tank 1 (the expansion cement and the water are mixed and stirred in proportion), the four thread propulsion pipes 34 are rotated, so that the thread propulsion pipes 34 slide along the threaded rods 31 and push the sliding sleeves 32 to ascend, the four pushing mechanisms 3 lift the floating plate 2, the cement is injected into the coagulation tank 1 from the opening of the coagulation tank 1, after the cement in the coagulation tank 1 is leveled, the four thread propulsion pipes 34 are respectively rotated to the opposite bottoms of the threaded rods 31, so that the floating plate 2 slides into the coagulation tank 1 and is in contact with the upper surface of the cement, the scale mark A on the sleeve plate 42 is recorded at the moment, after the cement is coagulated, the cement expands or contracts in the coagulation process, so that the floating plate 2 can ascend or descend along with the expansion or contraction of the cement, the connecting rods 41 on the sliding sleeves 32 drive the sleeve plate 42 to ascend or descend along the sliding plate 43, the scale mark B on the sleeve plate 42 is recorded at the moment, the shrinkage or expansion of the expansive cement is detected by comparing the data A and the data B, and the quality of the expansive cement is detected by comparing the data A with the data B, so that the poor volume expansion effect of the expansive cement in the hardening process is avoided, and the adverse consequences caused by the shrinkage of the cement cannot be solved.

Referring to fig. 1, an observation cavity 6 is formed in a side wall of the condensation box 1, and a glass plate 7 is fixedly embedded in the observation cavity 6, so that the condensation degree of cement can be observed conveniently.

The L-shaped connecting rod 33 is made of light aluminum materials, and the floating plate 2 is prevented from being sunk into cement due to the fact that the L-shaped connecting rod 33 is too heavy.

Wherein, the kickboard 2 and the inner wall sliding connection who condenses case 1 avoid cement to spill over from condensing

case

1 and 2 edges of kickboard, and set up a plurality of evenly distributed's through-hole 5 on the kickboard 2, have improved the rate of condensing of the interior cement of case 1 that condenses, and the kickboard 2 adopts the plastic material simultaneously, makes it be difficult for leading to influencing the testing result in being absorbed in the cement.

The utility model provides a theory of operation that is used for device of cement quality testing as follows:

before cement is added into the coagulation tank 1 (the expansion cement and the water are mixed and stirred in proportion), the four thread propulsion pipes 34 are rotated, so that the thread propulsion pipes 34 slide along the threaded rods 31 and push the sliding sleeves 32 to ascend, the four pushing mechanisms 3 lift the floating plate 2, the cement is injected into the coagulation tank 1 from the opening of the coagulation tank 1, after the cement in the coagulation tank 1 is leveled, the four thread propulsion pipes 34 are respectively rotated to the opposite bottoms of the threaded rods 31, so that the floating plate 2 slides into the coagulation tank 1 and is in contact with the upper surface of the cement, the scale mark A on the sleeve plate 42 is recorded at the moment, after the cement is coagulated, the cement expands or contracts in the coagulation process, so that the floating plate 2 can ascend or descend along with the expansion or contraction of the cement, the connecting rods 41 on the sliding sleeves 32 drive the sleeve plate 42 to ascend or descend along the sliding plate 43, the scale mark B on the sleeve plate 42 is recorded at the moment, the shrinkage or expansion of the expansive cement is detected by comparing the data A and the data B, and the quality of the expansive cement is detected by comparing the data A with the data B, so that the poor volume expansion effect of the expansive cement in the hardening process is avoided, and the adverse consequences caused by the shrinkage of the cement cannot be solved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An apparatus for cement quality testing, comprising:

the device comprises a condensation box (1), wherein fixed plates are fixedly mounted on two sides of an opening of the condensation box (1), two symmetrically-distributed pushing mechanisms (3) are mounted on each fixed plate, each pushing mechanism (3) comprises a threaded rod (31), a sliding sleeve (32), an L-shaped connecting rod (33) and a thread pushing pipe (34), the threaded rods (31) are fixedly mounted on the fixed plates and are vertically arranged, the threaded rods (31) are sleeved with sliding sleeves (32) in sliding connection and the thread pushing pipes (34) in threaded connection, the sliding sleeves (32) and the thread pushing pipes (34) are vertically distributed, and the L-shaped connecting rods (33) are fixedly mounted on the inner rod walls of the sliding sleeves (32);

the upper surface of the floating plate (2) is fixedly connected with the connecting ends of L-shaped connecting rods (33) in the four pushing mechanisms (3) respectively;

the height measuring devices (4) with the same specification are respectively arranged between the two pushing mechanisms (3) on the same side of the fixing plate.

2. The device for detecting the cement quality according to claim 1, wherein the height measuring device (4) comprises a connecting rod (41), a sleeve plate (42), a sliding plate (43) and scale marks (44), two ends of the connecting rod (41) are respectively and fixedly connected with the two sliding sleeves (32) on the same side of the fixed plate, the inner rod wall of the connecting rod (41) is fixedly provided with the horizontally arranged sleeve plate (42), the sliding plate (43) is fixedly arranged on the fixed plate and vertically arranged, the sliding plate (43) penetrates through a sliding through cavity formed in the sleeve plate (42) and is in sliding connection with the sliding through cavity, and the scale marks (44) are arranged on the sliding plate (43).

3. The device for detecting the quality of the cement according to the claim 1, characterized in that the side wall of the condensation box (1) is provided with an observation cavity (6), and a glass plate (7) is fixedly embedded in the observation cavity (6).

4. The apparatus for cement quality inspection according to claim 1, wherein the L-shaped connecting rod (33) is made of light aluminum material.

5. The apparatus for cement quality inspection according to claim 1, characterized in that the floating plate (2) is slidingly connected with the inner wall of the setting tank (1).

6. The device for detecting the quality of the cement according to the claim 1, characterized in that a plurality of through holes (5) which are evenly distributed are arranged on the floating plate (2).