Cement mortar fluidity tester

Abstract

The cement mortar fluidity tester comprises a jumping table, a truncated cone round mold and a mold sleeve, the jumping table comprises a support, a disc tabletop capable of jumping up and down is arranged at the upper end of the support, and a limiting ring concentric with the disc tabletop is fixed to the upper portion of the disc tabletop; a ring sleeve capable of being inserted into a limiting ring is fixedly arranged on the outer wall of the truncated cone round die in a sleeving mode, the limiting ring and the ring sleeve are each of a round structure, and the inner diameter of the limiting ring is equal to the outer diameter of the ring sleeve. According to the device, the truncated cone round mold can be accurately placed in the center position of the disc table top, the truncated cone round mold is limited, the truncated cone round mold is prevented from deviating when being filled with cement sand glue, when the truncated cone round mold is lifted, the truncated cone round mold can be guided through a limiting ring, the truncated cone round mold is prevented from shaking, and in addition, when the cement sand glue is filled, the truncated cone round mold is prevented from shaking. And a worker does not need to hold and fix the truncated cone round mold by hands, and the operation is convenient and fast.

Description

Technical Field

[0001] The present application relates to cement mortar testing technology, and in particular to a cement mortar fluidity measuring instrument. Background Art

[0002] The cement mortar fluidity tester is an instrument used to test the fluidity of cement mortar. At present, a commonly used cement mortar fluidity tester includes a jumping table, a truncated cone round mold, and a mold sleeve. When in use, first manually place the truncated cone mold directly at the center of the circular surface of the jump table, then place the mold sleeve on the upper end of the truncated cone mold, then hold the truncated cone mold steady with your hand, and quickly load the mixed cement mortar into the truncated cone mold in two layers. The first layer is loaded to about 2 / 3 of the height of the truncated cone mold, and a knife is used to scratch 5 times in two perpendicular directions, and a tamping rod is used to tamp evenly from the edge to the center 15 times. Then the second layer of mortar is loaded, and it is loaded to about 20mm higher than the truncated cone mold. A knife is used to scratch 5 times in two perpendicular directions, and a tamping rod is used to tamp evenly from the edge to the center 10 times. After tamping, remove the mold sleeve, and then use a scraper to scrape off the cement mortar that exceeds the truncated cone mold from the middle to the edge in two times, and smooth it. Finally, the staff manually lifts the truncated cone mold vertically upwards, starts the jump table, and the table top of the jump table jumps to allow the cement mortar to spread. After diffusion is completed, use a caliper to measure the diameter of the bottom surface of the mortar and the diameter in the vertical direction, calculate the average value, and take the integer as the fluidity of the cement mortar.

[0003] However, when the cement mortar fluidity tester is actually used, the manual placement of the truncated cone mold easily causes a deviation in the relative position of the truncated cone mold and the tabletop. Secondly, when putting cement mortar into the truncated cone mold, it is necessary to hold the truncated cone mold by hand to fix the position of the truncated cone mold, and the manual fixing method easily causes the truncated cone mold to shift, resulting in a poor fixing effect. Moreover, when the truncated cone mold is manually lifted vertically upward, the truncated cone mold is prone to shaking and acting on the cement mortar, causing the cement mortar to deform or even tip over, affecting the measurement results. Utility Model Content

[0004] The present application provides a cement mortar fluidity measuring instrument, which is used to solve the problems of inaccurate placement of the truncated cone circular mold, poor fixing effect, and deformation or even tipping of the cement mortar when measuring the cement mortar in the existing cement mortar fluidity measuring instrument.

[0005] The present application provides a cement mortar fluidity tester, comprising a jumping table, a truncated cone circular mold, and a mold sleeve, wherein the jumping table comprises a support, and a disc tabletop capable of jumping up and down is provided at the upper end of the support;

[0006] A limiting ring concentric with the disc tabletop is fixed above the disc tabletop;

[0007] A ring sleeve which can be inserted into a limiting ring is fixedly mounted on the outer wall of the truncated cone circular mold;

[0008] The limiting ring and the ring sleeve are both circular structures, and the inner diameter of the limiting ring is equal to the outer diameter of the ring sleeve.

[0009] Optionally, the ring sleeve includes a cylindrical tube, a ring plate adapted thereto is fixed to the lower end of the cylindrical tube, the ring plate is sleeved on the bottom of the truncated cone circular mold, and the ring plate is sealed and fixedly connected to the bottom of the truncated cone circular mold.

[0010] Optionally, two symmetrically distributed handles are fixed to the upper end of the cylindrical tube.

[0011] Optionally, the upper end of the cylindrical tube is flush with the upper end of the truncated cone circular mold;

[0012] After the lower end of the truncated cone circular mold contacts the disc table top, the upper end of the cylindrical tube is flush with the upper end of the limiting ring.

[0013] Optionally, the lower end of the annular plate is flush with the lower end of the truncated cone mold.

[0014] Optionally, two symmetrically distributed support rods are fixed on the outer wall of the limiting ring, and the support rods are fixedly connected to the disc table top.

[0015] Optionally, a push rod capable of sliding up and down is provided on the support, the upper end of the push rod is fixedly connected to the disc table top, the lower end of the push rod is provided with a cam in contact with and capable of rotating, and the cam is connected to a motor capable of driving it to rotate.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] The cement mortar fluidity tester provided by the present application has a limiting ring concentric with the disc table top fixed above it, and a ring sleeve that can be inserted into the limiting ring is fixed on the outer wall of the truncated cone circular mold. The limiting ring and the ring sleeve are both circular structures, and the inner diameter of the limiting ring is equal to the outer diameter of the ring sleeve. When the cement mortar fluidity is measured, the ring sleeve is first inserted into the limiting ring, so that the truncated cone circular mold is placed on the disc table top, the annular sleeve positions and limits the truncated cone circular mold, and then the mold sleeve is placed on the upper end of the truncated cone circular mold. Then the staff will load the mixed cement mortar into the truncated cone circular mold. After the cement mortar is filled, the sleeve is removed. The truncated cone mold is placed in the center of the disk table top, and the truncated cone mold is limited to prevent the truncated cone mold from shifting when filling with cement mortar. When the truncated cone mold is lifted, the limit ring can guide the truncated cone mold to prevent the truncated cone mold from shaking, thereby improving the accuracy of the cement mortar fluidity measurement results. In addition, when filling with cement mortar, the staff no longer needs to hold the truncated cone mold by hand, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A schematic diagram of the main structure of a cement mortar fluidity tester provided in an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the side view of the cement mortar fluidity tester provided in an embodiment of the present application;

[0021] Figure 3 A schematic diagram of a partial front cross-sectional structure of a cement mortar fluidity tester provided in an embodiment of the present application;

[0022] Figure 4 A schematic diagram of the partial three-dimensional structure of a cement mortar fluidity measuring instrument provided in an embodiment of the present application.

[0023] Description of reference numerals: jumping table 1, support 101, disc table top 102, push rod 103, cam 104, motor 105, roller 106;

[0024] The truncated cone circular mold 2, the mold sleeve 3, the limiting ring 4, the ring sleeve 5, the cylindrical tube 501, the annular plate 502, the annular cavity 503, the handle 504, and the support rod 6. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application is clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work also fall within the scope of protection of the present application.

[0026] like Figure 1-Figure 4 As shown:

[0027] The cement mortar fluidity tester provided in one embodiment of the present application comprises a jumping table 1, a truncated cone circular mold 2, and a mold sleeve 3. The jumping table 1 comprises a support 101, and a disc table top 102 capable of jumping up and down is provided at the upper end of the support 101.

[0028] A limiting ring 4 concentric with the disc table top 102 is fixed above it.

[0029] A ring sleeve 5 which can be inserted into a limiting ring 4 is fixedly sleeved on the outer wall of the truncated cone circular mold 2 .

[0030] The limiting ring 4 and the ring sleeve 5 are both circular structures, and the inner diameter of the limiting ring 4 is equal to the outer diameter of the ring sleeve 5, so that after the ring sleeve 5 is inserted into the limiting ring 4, the ring sleeve 5 can only move in the vertical direction, that is, the truncated cone circular mold 2 can only move in the vertical direction, thereby positioning and limiting the truncated cone circular mold 2.

[0031] When in use, first insert the ring sleeve 5 into the limiting ring 4, so that the truncated cone mold 2 is placed on the disc table top 102, and then place the mold sleeve 3 on the upper end of the truncated cone mold 2. Then, the staff no longer needs to fix the truncated cone mold 2 by hand. The mixed mortar can be directly divided into two layers and quickly loaded into the test mold. The first layer is loaded to about 2 / 3 of the height of the truncated cone mold 2. Use a knife to scratch 5 times in two directions perpendicular to each other, and use a tamping rod to tamp evenly from the edge to the center 15 times. Then, load the second layer of mortar, which is about 20 mm higher than the truncated cone mold 2, use a knife to scratch 5 times in two directions perpendicular to each other, and then use a tamping rod to tamp evenly from the edge to the center 1 0 times, after the tamping is completed, the mold sleeve 3 is removed, and then a scraper is used to scrape off the cement mortar that is higher than the truncated cone mold 2 from the middle to the edge twice, and after smoothing, a truncated cone-shaped cement mortar is formed inside the truncated cone mold 2. Then the staff gently lifts the ring sleeve 5 vertically upward, that is, lifts the truncated cone mold 2 upward, and finally starts the jumping table 1, the disk table top 102 jumps, and the cement mortar diffuses. After the disk table top 102 completes 25 jumps within 25±1s, the jumping of the disk table top 102 is stopped, and the diameter of the bottom surface of the mortar and the diameter in the vertical direction are measured with a caliper, and the average value is calculated. The result is an integer, which is the fluidity of the cement mortar.

[0032] The cement mortar fluidity tester provided in this embodiment has a concentric limiting ring 4 fixed on the top of the disk table 102, and a ring sleeve 5 that can be inserted into the limiting ring 4 is fixed on the outer wall of the truncated cone mold 2. The limiting ring 4 and the ring sleeve 5 are both circular structures, and the inner diameter of the limiting ring 4 is equal to the outer diameter of the ring sleeve 5. When the cement mortar fluidity is measured, when the ring sleeve 5 is inserted into the limiting ring 4, the truncated cone mold 2 can be accurately placed at the center of the disk table 102, and the truncated cone mold 2 is limited to avoid the truncated cone mold 2 from shifting when filling the cement mortar, and when the truncated cone mold 2 is lifted, the limiting ring 4 can guide the truncated cone mold 2 to avoid the truncated cone mold 2 from shaking, thereby improving the accuracy of the cement mortar fluidity test results. In addition, when filling the cement mortar, the staff no longer needs to hold the truncated cone mold 2 by hand, which has the effect of convenient operation.

[0033] In some embodiments of the present application, the ring sleeve 5 includes a cylindrical tube 501, the lower end of which is fixed with an annular plate 502 adapted thereto, the annular plate 502 is sleeved on the bottom of the truncated cone mold 2, and the annular plate 502 is sealed and fixedly connected to the bottom of the truncated cone mold 2, so that an annular cavity 503 with an upper opening is formed between the ring sleeve 5 and the truncated cone mold 2, when scraping off the cement mortar that protrudes above the truncated cone mold 2, the cement mortar can be scraped into the annular cavity 503, and the annular cavity 503 collects the cement mortar, thereby facilitating the collection of the scraped cement mortar.

[0034] In order to facilitate the staff to insert the ring sleeve 5 into the limiting ring 4, and to facilitate the staff to lift the ring sleeve 5 upwards. In some embodiments of the present application, two symmetrically distributed handles 504 are fixed to the upper end of the cylindrical tube 501.

[0035] In some embodiments of the present application, the upper end of the cylindrical tube 501 is flush with the upper end of the truncated cone mold 2. After the lower end of the truncated cone mold 2 contacts the disc table top 102, the upper end of the cylindrical tube 501 is flush with the upper end of the limit ring 4, so that the upper end of the annular plate 502, the upper end of the cylindrical tube 501 and the upper end of the truncated cone mold 2 are located in the same plane. When scraping off the cement mortar that protrudes above the truncated cone mold 2, the upper end of the annular plate 502 and the upper end of the cylindrical tube 501 will not affect the scraping work, and the staff can use any type of scraper to perform scraping work at any position except the handle 504.

[0036] In some embodiments of the present application, the lower end of the annular plate 502 is flush with the lower end of the truncated cone mold 2, so that the cylindrical tube 501 can always be in contact with the limiting ring 4 during the process of the lower end of the truncated cone mold 2 moving from the upper end of the disc table top 102 to the upper end of the truncated cone cement mortar.

[0037] In some embodiments of the present application, two symmetrically distributed support rods 6 are fixed on the outer wall of the limiting ring 4 , and the support rods 6 are fixedly connected to the disc table top 102 , thereby fixing the limiting ring 4 above the disc table top 102 .

[0038] In some embodiments of the present application, a push rod 103 that can slide up and down is provided on the support 101, the upper end of the push rod 103 is fixedly connected to the disc table top 102, and the lower end of the push rod 103 is provided with a cam 104 that contacts and can rotate therewith, and the cam 104 is connected to a motor 105 that can drive it to rotate.

[0039] Furthermore, a rotatable roller 106 is mounted on the lower end of the push rod 103 , and the roller 106 contacts the outer edge of the cam 104 .

[0040] When in use, the motor 105 drives the cam 104 to rotate. After the cam 104 rotates, it can make the roller 106 in contact with it move up and down. The roller 106 drives the push rod 103 to move up and down. After the push rod 103 moves up and down, it drives the disc table top 102 to jump up and down.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cement mortar fluidity tester, comprising a jumping table (1), a truncated cone circular mold (2), and a mold sleeve (3), wherein the jumping table (1) comprises a support (101), and a disc table top (102) capable of jumping up and down is provided at the upper end of the support (101), characterized in that: A limiting ring (4) concentric with the disc table top (102) is fixed above the disc table top (102); A ring sleeve (5) which can be inserted into a limiting ring (4) is fixedly mounted on the outer wall of the truncated cone circular mold (2); The limiting ring (4) and the ring sleeve (5) are both circular structures, and the inner diameter of the limiting ring (4) is equal to the outer diameter of the ring sleeve (5).

2. The cement mortar fluidity tester according to claim 1, characterized in that: The ring sleeve (5) comprises a cylindrical tube (501), a matching annular plate (502) is fixed to the lower end of the cylindrical tube (501), the annular plate (502) is sleeved on the bottom of the truncated cone mold (2), and the annular plate (502) is sealed and fixedly connected to the bottom of the truncated cone mold (2).

3. The cement mortar fluidity tester according to claim 2, characterized in that: Two symmetrically distributed handles (504) are fixed to the upper end of the cylindrical tube (501).

4. The cement mortar fluidity tester according to claim 2, characterized in that: The upper end of the cylindrical tube (501) is flush with the upper end of the truncated cone mold (2); After the lower end of the truncated cone circular mold (2) contacts the disc table top (102), the upper end of the cylindrical tube (501) is flush with the upper end of the limiting ring (4).

5. The cement mortar fluidity tester according to claim 4, characterized in that: The lower end of the annular plate (502) is flush with the lower end of the truncated cone mold (2).

6. The cement mortar fluidity tester according to claim 1, characterized in that: Two symmetrically distributed support rods (6) are fixed on the outer wall of the limiting ring (4), and the support rods (6) are fixedly connected to the disc table top (102).

7. The cement mortar fluidity tester according to claim 1, characterized in that: The support (101) is provided with a push rod (103) capable of sliding up and down, the upper end of the push rod (103) is fixedly connected to the disc table top (102), the lower end of the push rod (103) is provided with a cam (104) in contact with the push rod (103) and capable of rotating, and the cam (104) is connected to a motor (105) capable of driving the cam to rotate.

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