CN210953703U

CN210953703U - Cement mortar fluidity tester

Info

Publication number: CN210953703U
Application number: CN201921782105.1U
Authority: CN
Inventors: 程长青; 林福明; 刘海平; 蔡罕水
Original assignee: Xiamen Baicheng Building Materials Co ltd
Current assignee: Xiamen Baicheng Building Materials Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-07
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a cement mortar fluidity apparatus, including frame, setting at the disc desktop of frame top and place the truncated cone circle mould that is used for holding cement mortar on the disc desktop, the symmetry is provided with clamping component on the disc desktop, clamping component including can dismantle the montant of connection in disc desktop edge, one end and montant body coupling's telescopic link, with the clamp hoop of the other end body coupling of telescopic link and be located the inboard clamping piece of clamp hoop, the clamping piece includes that the first spring and the fixed connection of the inner wall hoop distribution along clamp hoop keep away from clamp hoop one side and support tight the clamp hoop with the outer wall of truncated cone circle mould at first spring. The utility model discloses the effect of stability is placed to the truncated cone circular mould when having the improvement cement mortar that vibrates.

Description

Cement mortar fluidity tester

Technical Field

The utility model belongs to the technical field of the technique that building material performance detected and specifically relates to a cement mortar fluidity apparatus is related to.

Background

The cement mortar fluidity tester is also called as a cement fluidity electric jump table, is used for fluidity tests of a new standard GB/T2419-2005 'cement mortar fluidity testing method' released in 2005, is a uniquely specified instrument of the standard, and has the working process that: the method comprises the steps of quickly loading mixed cement mortar into a test mold in two layers, loading the first layer to 2/3 parts of the truncated cone round mold, respectively scribing 5 times in two mutually perpendicular directions by a knife, uniformly tamping 15 times from the edge to the center by a tamping rod, loading the second layer of cement mortar to a position higher than the truncated cone round mold by about 20mm, respectively scribing 5 times in two mutually perpendicular directions by a knife, uniformly tamping 10 times from the edge to the center by the tamping rod, scraping the cement mortar higher than the truncated cone round mold after tamping, starting an instrument, vibrating a jump table up and down for a certain number of times, and measuring the diffusion diameter of the cement mortar by a measuring instrument, thereby calculating the fluidity of the cement mortar according to a formula.

At present, chinese utility model patent with publication number CN205317617U discloses a cement mortar fluidity tester, including frame, the disc desktop that sets up in the frame top, the push rod of being connected with the disc desktop, the locating part of restriction push rod minimum, keep away from the action wheel, the drive action wheel pivoted motor of the one end butt of being connected with the disc desktop with the push rod.

The above prior art solutions have the following drawbacks: when vibrating cement mortar, the truncated cone circular mould placed on the disc desktop is likely to shift due to the vibrating force of the tamping rod, and if the truncated cone circular mould shifts, the fluidity of a cement mortar test mould positioned in the truncated cone circular mould is influenced, and the accuracy of a test result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cement mortar fluidity apparatus, it has the effect that the stability was placed to the truncated cone circular mould when improving the cement mortar that vibrates.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a cement mortar fluidity apparatus, includes the frame, sets up the disc desktop in the frame top and places the truncated cone circle mould that is used for holding cement mortar on the disc desktop, the symmetry is provided with clamping component on the disc desktop, clamping component including can dismantle the montant of connecting in disc desktop edge, one end and montant body coupling's telescopic link, with the clamp hoop of the other end body coupling of telescopic link and be located the inboard clamping piece of clamp hoop.

Through adopting above-mentioned technical scheme, the clampband control clamping piece supports tightly with the outer wall of truncated cone circle mould to for truncated cone circle mould location, because the clamping component symmetry sets up on the disc desktop, thereby make the both sides atress of truncated cone circle mould even, with this avoid truncated cone circle mould to run the position when operating personnel vibrates cement mortar, thereby improved the stability of placing of truncated cone circle mould.

The utility model discloses further set up to: the clamping piece comprises a first spring and a butting hoop, wherein the first spring is distributed along the circumferential direction of the inner wall of the butting hoop, and the butting hoop is fixedly connected to one side, away from the butting hoop, of the first spring and butts against the outer wall of the truncated cone circular die.

Through adopting above-mentioned technical scheme, support the outer wall of tight hoop and truncated cone circle mould and support tightly, first spring is in compression state all the time to for supporting tight hoop provides the tight power of supporting, first spring still has the cushioning effect, thereby the power of vibrating when avoiding the cement mortar that vibrates damages the truncated cone circle mould.

The utility model discloses further set up to: the telescopic link include one end with cavity dead lever and the one end of the top body coupling of horizontal pole slide and connect the slide bar of inside just other end and the outer wall body coupling of clamp of dead lever.

Through adopting above-mentioned technical scheme, the setting of telescopic link is convenient for adjust the distance between cramp and the truncated cone circle mould to remove cramp to the position of being convenient for cramp the truncated cone circle mould, with this clamping Assembly's that improves clamping Assembly's tight effect.

The utility model discloses further set up to: the dead lever is kept away from set up screw thread on the circumference lateral wall of the tip of montant, just the thread end symmetry of dead lever has seted up along the axial distribution of dead lever runs through the expansion joint of dead lever wall thickness, the dead lever with the junction cover of slide bar is equipped with screw thread spiral complex adapter sleeve.

By adopting the technical scheme, when the fastening sleeve is rotated, the gap width of the expansion joint is squeezed to be narrowed or is expanded to be widened, and when the gap width of the expansion joint is widened, the sliding rod freely slides in the fixed rod; when the width of the expansion joint is narrowed, the sliding rod is subjected to fastening force in the fixed rod, so that the sliding rod is positioned; the positioning mode is simple and easy to operate, stable in positioning and good in adjustability.

The utility model discloses further set up to: the upper surface of the disc desktop is provided with a groove matched with the vertical rod in a splicing mode, the vertical rod and the groove are provided with a clamping component, the clamping component comprises a square groove formed in the side wall of the bottom of the vertical rod, a second spring with one end fixed to the wall of the square groove, a clamping block fixed to the end of the second spring and a clamping groove formed in the side wall of the groove and communicated with the outside, and the clamping block is in clamping fit with the clamping groove.

Through adopting above-mentioned technical scheme, after the montant is pegged graft to the recess in, the fixture block receives the extrusion of recess inner wall and slides to square inslot, when the montant removed to the fixture block and communicates with each other with the draw-in groove, the fixture block at the elastic force of second spring pop into the draw-in groove and with the cooperation of draw-in groove joint to for the montant location, place the stability on the disc desktop with this improvement montant.

The utility model discloses further set up to: the bottom surface cross-section of the end, far away from the vertical rod, of the clamping block is arc-shaped.

Through adopting above-mentioned technical scheme, when the fixture block was pegged graft to the recess in, the curved design has reduced the frictional action between fixture block and the recess to the probability that recess and fixture block were worn and torn has been reduced.

The utility model discloses further set up to: the disc desktop is provided with a jack positioned on one side of the vertical rod, the upper surface of the clamping block is provided with a positioning hole penetrating through the clamping block along the height direction of the clamping block, and the bottom of the positioning hole is inserted into the positioning rod in the positioning hole in an inserting fit mode.

Through adopting above-mentioned technical scheme, accomplish the back when fixture block and draw-in groove joint and insert the bottom of locating lever in the locating hole to for the fixture block location, with this stability that improves fixture block and draw-in groove joint, thereby further improve the stability of montant and disc desktop joint.

The utility model discloses further set up to: the lower surface of the disc desktop is fixedly connected with a plurality of reinforcing ribs arranged around the rack.

Through adopting above-mentioned technical scheme, the setting up of strengthening rib has dispersed the power of vibrating when vibrating the power of vibrating that is transmitted to the disc desktop by the truncated cone circle mould and the disc desktop vibrations from top to bottom to reduced the harm degree of vibrations to the disc desktop, improved the homogeneity of cement mortar at disc desktop vibrations in-process diffusion simultaneously.

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

the arrangement of the clamping assembly avoids the truncated cone circular mould from being displaced when an operator vibrates cement mortar, so that the placing stability of the truncated cone circular mould is improved;

the telescopic rod is arranged to facilitate the adjustment of the distance between the clamping hoop and the truncated cone circular die, so that the clamping hoop is moved to a position convenient for the clamping of the truncated cone circular die, and the clamping effect of the clamping assembly is improved;

the clamping component is used for positioning the vertical rod, so that the stability of the vertical rod placed on the disc tabletop is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic cross-sectional view of the present embodiment.

In the figure: 1. a frame; 2. a disc tabletop; 21. a groove; 22. a jack; 3. a truncated cone circular die; 4. a clamping assembly; 41. a vertical rod; 42. a telescopic rod; 421. fixing the rod; 4211. a thread; 4212. an expansion joint; 422. a slide bar; 423. fastening sleeves; 43. a clampband; 44. a clamping member; 441. a first spring; 442. tightly supporting the hoop; 5. a clamping assembly; 51. a square groove; 52. a second spring; 53. a clamping block; 531. positioning holes; 54. a card slot; 6. positioning a rod; 7. and (5) reinforcing ribs.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a cement mortar fluidity apparatus, including frame 1, disc desktop 2 and truncated cone circle mould 3. The section of the disc desktop 2 is in a concave shape and is positioned above the rack 1, and the disc desktop 2 vibrates in the vertical direction, so that the fluidity of cement mortar is tested. The truncated cone circular mould 3 is used for containing cement mortar. Combine shown in fig. 3, the lower fixed surface of disc desktop 2 is connected with many strengthening ribs 7, and many strengthening ribs 7 encircle frame 1 setting for the power of vibrating that is transmitted to disc desktop 2 by truncated cone circular mould 3 during dispersion vibrating cement mortar and the power of vibrating when disc desktop 2 shakes from top to bottom, thereby reduced the harm degree of vibrations to disc desktop 2, be used for improving the homogeneity of cement mortar at the 2 vibrations in-process diffusion of disc desktop simultaneously.

Referring to fig. 1, two groups of clamping assemblies 4 are arranged on the disc table top 2, and the two groups of clamping assemblies 4 are symmetrically arranged on two sides of the truncated cone circular mold 3. The clamping assembly 4 comprises a vertical rod 41, a telescopic rod 42, a clampband 43 and a clamping member 44. The vertical rod 41 is a round rod-shaped structure, and the bottom of the vertical rod is detachably connected with the disc tabletop 2. Referring to fig. 2, the telescopic rod 42 includes a fixed rod 421 and a sliding rod 422, the fixed rod 421 is a circular rod-shaped structure, the inside of the fixed rod is hollow, and the end of the fixed rod is integrally connected with the top of the vertical rod 41; one end of the sliding rod 422 extends to the inside of the fixing rod 421 and is in sliding fit with the fixing rod 421. The telescopic rod 42 is provided to adjust the distance between the clampers 43 and the truncated cone circular mold 3, so as to move the clampers 43 to the position convenient for clamping the truncated cone circular mold 3, thereby improving the clamping effect of the clamping assembly 4. The clampers 43 are arc-shaped in cross-section and are used for clamping the truncated cone circular dies 3. The clamping member 44 includes a first spring 441 and a tightening band 442. The first spring 441 has a plurality of first springs 441 fixedly connected to the inner wall of the clampband 43 and always in a compressed state; the clamping band 442 is fixed to an end of the first plurality of springs 441 remote from the clamping band 43. The cross section of the abutting hoop 442 is arc-shaped, and the inner wall of the abutting hoop is abutted against the outer wall of the truncated cone circular mold 3.

Referring to fig. 1 and 2, a thread 4211 is formed on a peripheral side wall of the fixing rod 421, and the thread 4211 is disposed around an end of the fixing rod 421 away from the stem 41. Expansion joints 4212 are symmetrically formed at the end of the thread 4211 of the fixing rod 421, and the expansion joints 4212 are distributed along the axial direction of the fixing rod 421 and penetrate through the wall thickness of the fixing rod 421. The joint of the fixed rod 421 and the sliding rod 422 is sleeved with a fastening sleeve 423, and the fastening sleeve 423 is in screw fit with the thread 4211. When the fastening sleeve 423 is rotated, the gap width of the expansion joint 4212 is squeezed to be narrowed or is expanded to be widened, and when the gap width of the expansion joint 4212 is widened, the sliding rod 422 slides freely in the fixing rod 421; when the expansion joint 4212 is narrowed, the sliding rod 422 is subjected to fastening force in the fixing rod 421, so as to position the sliding rod 422; the positioning mode is simple and easy to operate, stable in positioning and good in adjustability.

Referring to fig. 1, the upper surface of the disc tabletop 2 is provided with grooves 21, and the grooves 21 are symmetrically formed in the edge of the disc tabletop 2 and are respectively matched with two vertical bars 41 in an inserting manner. Referring to fig. 3, the bottom of the groove 21 and the bottom of the vertical rod 41 are provided with a clamping assembly 5, and the clamping assembly 5 comprises a square groove 51, a second spring 52, a clamping block 53 and a clamping groove 54. The square groove 51 is arranged on the side wall of the bottom of the vertical rod 41 and is positioned on one side of the vertical rod 41 far away from the truncated cone circular die 3. One end of the second spring 52 is fixedly connected with the groove wall of the square groove 51, and the other end is fixedly connected with the side wall of the latch 53. The fixture block 53 is a rectangular block-shaped structure, the length direction of the fixture block is perpendicular to the length direction of the vertical rod 41, and the fixture block 53 slides along the square groove 51; the bottom surface cross-section of the fixture block 53 away from one end of the vertical rod 41 is arc-shaped, and when the fixture block 53 is inserted into the groove 21, the arc-shaped design reduces the friction between the fixture block 53 and the groove 21, so that the probability that the groove 21 and the fixture block 53 are abraded is reduced. The clamping groove 54 is formed in the inner wall of the bottom of the groove 21 and communicated with the outside, and the clamping block 53 is in clamping fit with the clamping groove 54. After the vertical rod 41 is inserted into the groove 21, the clamping block 53 is extruded by the inner wall of the groove 21 and slides into the square groove 51, and when the vertical rod 41 moves to the position where the clamping block 53 is communicated with the clamping groove 54, the clamping block 53 springs into the clamping groove 54 under the elastic force of the second spring 52 and is in clamping fit with the clamping groove 54, so that the vertical rod 41 is positioned, and the stability of the vertical rod 41 placed on the disc table top 2 is improved.

Referring to fig. 1 and 3, a positioning hole 531 is formed in the upper surface of the latch 53, the positioning hole 531 is located at an end of the latch 53 away from the vertical rod 41, and the positioning hole 531 penetrates the latch 53 along the height direction of the latch 53. The disc table top 2 is provided with a jack 22, and the jack 22 is positioned at one side of the groove 21. A positioning rod 6 is inserted into the insertion hole 22, and the bottom of the positioning rod 6 penetrates through the positioning hole 531. After the clamping of the clamping block 53 and the clamping groove 54 is completed, the bottom of the positioning rod 6 is inserted into the positioning hole 531, so that the clamping block 53 is positioned, the clamping stability of the clamping block 53 and the clamping groove 54 is improved, and the clamping stability of the vertical rod 41 and the disc tabletop 2 is further improved.

The implementation principle of the embodiment is as follows: the clampband 43 controls the abutting band 442 to abut against the outer wall of the truncated cone circular mold 3, so that the truncated cone circular mold 3 is positioned, the clampband 43 and the abutting band 442 play a dual clamping role, and the clamping assemblies 4 are symmetrically arranged on the disc table top 2, so that the two sides of the truncated cone circular mold 3 are stressed uniformly, the truncated cone circular mold 3 is prevented from being displaced when an operator vibrates cement mortar, and the placing stability of the truncated cone circular mold 3 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 cement mortar fluidity apparatus, includes frame (1), sets up disc desktop (2) in frame (1) top and places truncated cone circular mould (3) that are used for holding cement mortar on disc desktop (2), its characterized in that: the disc desktop is provided with clamping components (4) symmetrically on (2), clamping components (4) include montant (41), one end and montant (41) body coupling's telescopic link (42) of montant (41), the clamp hoop (43) and the clamping piece (44) that are located clamp hoop (43) inboard of the other end body coupling of telescopic link (42) of dismantling the connection in disc desktop (2) edge.

2. The cement mortar fluidity tester according to claim 1, characterized in that: the clamping piece (44) comprises a first spring (441) distributed along the circumferential direction of the inner wall of the clamping hoop (43) and a butting hoop (442) fixedly connected to one side, away from the clamping hoop (43), of the first spring (441) and butting against the outer wall of the truncated cone circular mold (3).

3. The cement mortar fluidity tester according to claim 1, characterized in that: the telescopic rod (42) comprises a hollow fixing rod (421) with one end integrally connected with the top of the vertical rod (41) and a sliding rod (422) with one end connected inside the fixing rod (421) in a sliding manner and the other end integrally connected with the outer wall of the clamp (43).

4. The cement mortar fluidity tester according to claim 3, characterized in that: the fixing rod (421) is far away from a thread (4211) is formed in the peripheral side wall of the end portion of the vertical rod (41), an expansion joint (4212) which is distributed along the axial direction of the fixing rod (421) and penetrates through the wall thickness of the fixing rod (421) is symmetrically formed in the thread (4211) end of the fixing rod (421), and a fastening sleeve (423) in spiral fit with the thread (4211) is sleeved at the joint of the fixing rod (421) and the sliding rod (422).

5. The cement mortar fluidity tester according to claim 1, characterized in that: the upper surface of disc desktop (2) seted up with montant (41) grafting complex recess (21), montant (41) and be provided with joint subassembly (5) on recess (21), joint subassembly (5) including set up square groove (51) on montant (41) bottom lateral wall, one end and second spring (52) that the cell wall of square groove (51) is fixed, fix fixture block (53) at second spring (52) tip and set up on the lateral wall of recess (21) and with draw-in groove (54) of outside intercommunication, fixture block (53) with draw-in groove (54) joint cooperation.

6. The cement mortar fluidity tester according to claim 5, characterized in that: the bottom surface section of one end of the clamping block (53) far away from the vertical rod (41) is arc-shaped.

7. The cement mortar fluidity tester according to claim 5, characterized in that: the disc desktop (2) is provided with an insertion hole (22) located on one side of the vertical rod (41), the upper surface of the clamping block (53) is provided with a positioning hole (531) penetrating through the clamping block (53) along the height direction of the clamping block, and the insertion hole (22) is inserted and matched with a positioning rod (6) with a bottom inserted into the positioning hole (531).

8. The cement mortar fluidity tester according to claim 1, characterized in that: the lower surface of the disc desktop (2) is fixedly connected with a plurality of reinforcing ribs (7) which are arranged around the rack (1).