CN211453244U

CN211453244U - High-accuracy cement mortar fluidity tester

Info

Publication number: CN211453244U
Application number: CN201921932193.9U
Authority: CN
Inventors: 史顺才; 陶桂东; 费恺; 段惠玲; 魏晓霞; 韩天平; 王福增
Original assignee: Beijing Urban Construction Yatai Jintong Concrete Co ltd; Beijing Urban Construction Yatai Group Co Ltd
Current assignee: Beijing Urban Construction Yatai Jintong Concrete Co ltd; Beijing Urban Construction Yatai Group Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-08
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a high accuracy cement mortar fluidity apparatus belongs to cement mortar fluidity test technical field, and it includes the frame, and the frame upper end is provided with the horizontally platform, is provided with the conical die on the platform, the conical die includes left half-die and right half-die, and the lateral surface fixed connection of left half-die and right half-die has the horizontally screw rod, and the relative both sides of frame bottom all are connected with vertical fixed plate, and the top sliding connection of fixed plate has the transfer line, transfer line fixedly connected with fixed part, the slip direction level of transfer line, set up the through-hole with screw rod looks adaptation on the fixed part, the screw rod is connected with the nut, the utility model discloses the effect that improves the testing result accuracy has.

Description

High-accuracy cement mortar fluidity tester

Technical Field

The utility model belongs to the technical field of the technique of cement mortar fluidity test and specifically relates to a high accuracy cement mortar fluidity apparatus is related to.

Background

The cement mortar fluidity represents a measure of the fluidity of cement mortar, and at a certain water addition, the fluidity depends on the water demand of the cement. The fluidity is expressed in terms of the average diameter of the cement mortar spread on the flow table. The cement mortar fluidity can be measured by a cement mortar fluidity tester to determine the water demand of the cement. The existing tester is to put the mixed mortar sample into a test mold in two layers, the first layer is put into two thirds of the height of a truncated cone mold, a knife is used for stroking for more than ten times in two vertical directions, then a tamping rod is used for uniformly tamping from the edge to the center for fifteen times, then a second layer of mortar cement is put into the test mold, the second layer of mortar cement is put into the test mold to be higher than the truncated cone mold for about two centimeters, the second layer of mortar cement is stroked for more than ten times by the knife, and finally the second layer of mortar cement is uniformly tamped from the edge to the. And after the tamping is finished, taking down the die sleeve, scraping the mortar higher than the truncated cone die by using a scraping knife, slightly lifting the truncated cone die vertically upwards after scraping, turning on a power switch, starting a motor, and starting to rotate.

The existing Chinese patent with reference to publication number CN205027632U discloses a cement mortar fluidity testing mold, which comprises a lower truncated cone circular mold, an upper truncated cone circular mold, a lower mold sleeve and an upper mold sleeve, wherein the lower truncated cone circular mold and the upper truncated cone circular mold are clamped to form the truncated cone circular mold, the lower mold sleeve is clamped with the upper mold sleeve, and the lower mold sleeve is clamped with the upper truncated cone circular mold.

The above prior art solutions have the following drawbacks: after cement mortar test piece was made and is accomplished, need take off the truncated cone circular mould from cement mortar, and actual operation is handled through feeling and is operated, because the truncated cone circular mould surrounds on cement mortar, consequently, at the in-process that removes the truncated cone circular mould, the truncated cone circular mould takes place to rock easily and acts on cement mortar to make cement mortar take place to deform or even empty, finally cause the influence to the survey, make the survey result inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improve high accuracy cement mortar fluidity apparatus of testing result accuracy.

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

the utility model provides a high accuracy cement mortar fluidity apparatus, includes the frame, and the frame upper end is provided with the horizontally platform, is provided with the conical die on the platform, the conical die includes left half mould and right half mould, and the lateral surface fixedly connected with horizontally screw rod of left half mould and right half mould, the relative both sides of frame bottom all are connected with vertical fixed plate, and the top sliding connection of fixed plate has the transfer line, transfer line fixedly connected with fixed part, the slip direction level of transfer line, set up on the fixed part with the through-hole of screw rod looks adaptation, the screw rod is connected with the nut.

By adopting the technical scheme, the left half die and the right half die are abutted and placed in the center of the platform, the transmission rod is slid, the two fixing parts move towards the direction close to the left half die and the right half die respectively until the screw penetrates through the through hole, the nut is screwed from the end part of the screw, the left half die and the right half die are respectively connected with the fixing parts, after the cement mortar testing block is manufactured, the transmission rod is moved, the fixing parts drive the fixing parts to move, the fixing parts drive the left half die and the right half die to be away from each other, the fixing plates limit the moving direction of the transmission rod, so that the transmission rod is stable when moving, the transmission rod drives the left half die and the right half die to be stably away from the cement mortar testing block, thereby avoiding the cement mortar from deforming or even toppling over, and being beneficial to improving the accuracy of; the left half mould and the right half mould can be detached from the fixing part, so that the left half mould and the right half mould are convenient to clean.

The utility model discloses further set up to: two the two-way lead screw of level is connected in the rotation between the fixed plate, and the both-way lead screw lies in the tip of two fixed plate looks facies dorsad and has threaded connection respectively, drive strip and transfer line fixed connection.

By adopting the technical scheme, the bidirectional screw rod is rotated, the bidirectional screw rod drives the two transmission bars to be synchronously far away from or close to each other, and the transmission bars drive the two transmission bars and the fixed part to be synchronously far away from or close to each other, so that the left half mould and the right half mould can be synchronously close to or far away from each other, the left half mould and the right half mould can be conveniently separated, and the left half mould and the right half mould are ensured not to easily touch the cement mortar testing block; the transmission strip plays the effect of connecting two-way lead screw and transfer line to further carry on spacingly to the transfer line, make transfer line moving direction more accurate, thereby guaranteed that left half mould and right half mould can stably keep away from cement mortar test block.

The utility model discloses further set up to: and a rotating part is arranged in the middle of the bidirectional screw rod.

Through adopting above-mentioned technical scheme, it is bigger that the lifting surface area is bigger when rotating the messenger hand and twisting, has improved the efficiency when the hand is twisted, makes to rotate two-way lead screw more convenient.

The utility model discloses further set up to: the fixed plate is vertically and slidably connected with a sliding plate, the fixed plate is sleeved on the outer side of the sliding plate and connected with the rack, a vertical lifting screw rod is connected between the fixed plate and the sliding plate, and the lifting screw rod is rotatably connected with the sliding plate and is in threaded connection with the fixed plate.

By adopting the technical scheme, the lifting screw rod is rotated, and the lifting screw rod drives the fixing plate to move up and down, so that the height of the fixing plate is adjustable, the through hole is convenient to align with the screw rod, and the left half mold, the right half mold and the fixing part are convenient to fix.

The utility model discloses further set up to: and a screw is connected between the bottom end of the fixed plate and the base.

Through adopting above-mentioned technical scheme, do not use cement mortar mobility apparatus and when storing, can pull down the screw to the fixed plate is pulled down promptly, and the fixed plate is pulled down promptly, makes cement mortar mobility apparatus and fixed plate can be separately placed, places and stores comparatively conveniently.

The utility model discloses further set up to: the bottom ends of the two fixing plates are fixedly connected with horizontal positioning rods.

Through adopting above-mentioned technical scheme, play the effect of connecting two dead levers, make the relative position remain stable between two fixed plates simultaneously.

The utility model discloses further set up to: the left half die and the right half die are both connected with at least two screws, the screws are positioned on the same horizontal plane, and the screws are uniformly distributed on the outer side surface of the left half die or the right half die.

By adopting the technical scheme, the stability of connection between the left half die and the fixed part as well as between the right half die and the fixed part is ensured.

The utility model discloses further set up to: two ends of the bidirectional screw rod are fixedly connected with blocking pieces.

By adopting the technical scheme, the phenomenon that the transmission bar is separated from the end part of the bidirectional screw rod due to excessive rotation is avoided.

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

1. by arranging the left half die, the right half die, the screw, the transmission rod and the fixing part, the cement mortar is prevented from deforming or even toppling over in the demolding process, and the accuracy of a test result is improved;

2. the left half die and the right half die can be synchronously close to or far away from each other by arranging the bidirectional screw rod and the transmission bar, so that the left half die and the right half die can be conveniently separated from each other, and the left half die and the right half die are ensured not to easily touch the cement mortar testing block;

3. the left half die and the right half die are connected with the at least two screws, so that the connection stability between the left half die and the fixed part as well as between the right half die and the fixed part is ensured.

Drawings

Fig. 1 is a schematic structural 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 frame; 11. a platform; 2. a conical die; 21. a left half mold; 211. a protrusion; 22. a right half mold; 221. a groove; 3. a fixing assembly; 31. a screw; 32. a nut; 4. a lifting assembly; 41. a sliding plate; 42. a fixing plate; 421. a screw; 422. positioning a rod; 43. lifting a screw rod; 5. an adjustment assembly; 51. a bidirectional lead screw; 511. a rotating member; 512. a blocking member; 52. a transmission rod; 53. a drive bar; 54. a fixed part.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a high accuracy cement mortar fluidity apparatus, which comprises a frame 1, frame 1 upper end is provided with horizontally platform 11, be provided with conical die 2 on the platform 11, conical die 2 includes left half mould 21 and right half mould 22, the vertical terminal surface of left half mould 21 and right half mould 22 butt is provided with protruding 211, right half mould 22 is provided with recess 221 with the vertical terminal surface of left half mould 21 butt, it is comparatively inseparable to make left half mould 21 and right half mould 22 be connected, the relative both sides of frame 1 are connected with adjusting part 5, be provided with fixed subassembly 3 between right half mould 22 and left half mould 21 and the adjusting part 5, adjusting part 5 is provided with lifting unit 4. Lifting unit 4 can drive adjusting part 5 and reciprocate, makes adjusting part 5 be connected with left half mould 21 and right half mould 22 through fixed subassembly 3 to adjusting part 5 can drive the stable mutual keeping away from of left half mould 21 and right half mould 22, has reduced and has putd aside 2 in-process conical mould 2 rocks of conical mould, has avoided cement mortar to take place to deform or even topple over, has improved the accuracy of test result.

Referring to fig. 1, the lifting assembly 4 includes a sliding plate 41, a fixed plate 42 and a lifting screw 43, the fixed plate 42 and the sliding plate 41 are vertically disposed, the fixed plate 42 is disposed on two opposite sides of the frame 1, and a horizontal screw 421 is connected between the bottom of the fixed plate 42 and the base, so that the fixed plate 42 is connected to the base and the fixed plate 42 is detachable from the frame 1, the fixed plate 42 can be separately disposed to facilitate placement and storage, horizontal positioning rods 422 are fixedly connected to the bottom ends of the two fixed plates 42 to stabilize the relative position between the two fixed plates 42, the sliding plate 41 is slidably connected to the fixed plate 42 up and down, the fixed plate 42 is sleeved outside the sliding plate 41, the lifting screw 43 is vertically disposed, the lifting screw 43 is rotatably connected to the sliding plate 41 and is threadedly connected to the fixed plate 42, the lifting screw 43 is rotated, the lifting screw 43, the sliding plate 41 drives the adjusting component 5 to move up and down, so that the height of the adjusting component 5 can be adjusted, and the adjusting component 5 is conveniently connected with the left half mould 21 and the right half mould 22 through the fixing component 3.

Referring to fig. 1, the adjusting assembly 5 includes a bidirectional screw 51, a transmission rod 52, a transmission bar 53 and a fixing portion 54, the bidirectional screw 51, the transmission rod 52 and the transmission bar 53 are all horizontally disposed, the bidirectional screw 51 is rotatably connected to the tops of the two sliding plates 41, the ends of the bidirectional screw 51, which are located on opposite sides of the two sliding plates 41, are respectively in threaded connection with the transmission bar 53, the transmission bar 53 is perpendicular to the bidirectional screw 51, the transmission bar 53 is fixedly connected with the transmission rod 52, the transmission rod 52 is perpendicular to the sliding plates 41 and is in sliding connection with the tops of the sliding plates 41, the fixing portion 54 is fixedly connected to the end of the transmission rod 52 facing the platform 11, the side of the fixing portion 54 facing the platform 11 is adapted to the outer wall of the conical mold 2, the connecting line of the centers of the two fixing portions 54 passes through the center of the platform 11, the moving direction of, two ends of the bidirectional screw 51 are fixedly connected with stoppers 512. When the left half mold 21 and the right half mold 22 are closed and placed at the center of the platform 11, and the two fixing parts 54 are abutted against the outer side surfaces of the left half mold 21 and the right half mold 22 and connected through the fixing assembly 3, the fixing parts 54 fix the left half mold 21 and the right half mold 22, so that the left half mold 21 and the right half mold 22 are prevented from moving in the process of manufacturing cement mortar samples; after the cement mortar sample is manufactured, the bidirectional screw 51 is rotated, and the bidirectional screw 51 drives the left half die 21 and the right half die 22 to be synchronously away from each other, so that the left half die 21 and the right half die 22 can be stably away from the cement mortar testing block, and the accuracy of measurement and recording is improved.

Referring to fig. 1, the fixing assembly 3 includes a screw 31 and a nut 32, the screw 31 is horizontally disposed, the screw 31 is fixedly connected to outer walls of the left half mold 21 and the right half mold 22 which are away from each other, an axis of the screw 31 is parallel to an axis of the transmission rod 52, the left half mold 21 and the right half mold 22 are respectively connected to the two screws 31, the screws 31 are located on the same horizontal plane, the screws 31 are uniformly distributed on outer side surfaces of the left half mold 21 or the right half mold 22, the nut 32 is disposed on a circumferential surface of the screw 31, the fixing portion 54 is provided with a through hole adapted to the screw 31, and connections between the left half mold 21 and the fixing portion 54 and between.

The implementation principle of the embodiment is as follows: the bulges 211 of the left half die 21 and the right half die 22 are inserted into the grooves 221, the left half die 21 and the right half die 22 are placed in the middle of the platform 11, then the bidirectional screw 51 is rotated, the bidirectional screw 51 drives the two transmission bars 53 to approach each other, the transmission bars 53 drive the transmission bars 52 to approach each other, the transmission bars 52 drive the two fixing parts 54 to approach each other until the screw 31 penetrates out of the through hole, at the moment, the two fixing parts 54 are respectively abutted against the outer walls of the left half die 21 and the right half die 22, the nut 32 is screwed on the end part of the screw 31, the fixing parts 54 are connected with the left half die 21 and the right half die 22, then the mortar sample is placed into the conical die 2, and the mortar sample is tamp.

After the cement mortar sample is manufactured, the conical die 2 needs to be taken down from the cement mortar sample, the bidirectional screw 51 is rotated reversely at the moment, the bidirectional screw 51 drives the two transmission bars 53 to be away from each other, the transmission bars 53 drive the transmission bars 52 to be away from each other, the transmission bars 52 drive the two fixing parts 54 to be away from each other, the two fixing parts 54 drive the left half die 21 and the right half die 22 to be away from each other, so that the left half die 21 and the right half die 22 are away from each other along the direction of the axis passing through the center of the platform 11, the shaking in the taking-off process of the conical die 2 is reduced, the cement mortar is prevented from being deformed or even toppled over, and the accuracy of a test result is.

After the left half-mold 21 and the right half-mold 22 are far away from the platform 11, the nuts 32 are unscrewed, and the machine case of the left half-mold 21 and the right half-mold 22 is disassembled, so that the left half-mold 21 and the right half-mold 22 are clamped down for cleaning.

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 high accuracy cement mortar fluidity apparatus, includes frame (1), and frame (1) upper end is provided with horizontally platform (11), is provided with conical die (2) on platform (11), its characterized in that: cone mould (2) are including left half mould (21) and right half mould (22), the lateral surface fixed connection of left half mould (21) and right half mould (22) has horizontally screw rod (31), the relative both sides of frame (1) bottom all are connected with vertical fixed plate (42), the top sliding connection of fixed plate (42) has transfer line (52), transfer line (52) fixedly connected with fixed part (54), the slip direction level of transfer line (52), set up the through-hole with screw rod (31) looks adaptation on fixed part (54), screw rod (31) are connected with nut (32).

2. The high accuracy cement mortar fluidity tester according to claim 1, characterized in that: two rotate between fixed plate (42) and be connected with horizontal two-way lead screw (51), two-way lead screw (51) are located two fixed plate (42) and carry on opposite sides the tip of side respectively threaded connection have drive strip (53), drive strip (53) and transfer line (52) fixed connection.

3. The high accuracy cement mortar fluidity tester according to claim 2, characterized in that: the middle part of the bidirectional screw rod (51) is provided with a rotating part (511).

4. The high accuracy cement mortar fluidity tester according to claim 1, characterized in that: the fixed plate (42) is vertically and slidably connected with a sliding plate (41), the fixed plate (42) is sleeved on the outer side of the sliding plate (41), the fixed plate (42) is connected with the rack (1), a vertical lifting screw rod (43) is connected between the fixed plate (42) and the sliding plate (41), and the lifting screw rod (43) is rotatably connected with the sliding plate (41) and is in threaded connection with the fixed plate (42).

5. The high accuracy cement mortar fluidity tester according to claim 1, characterized in that: and a screw (421) is connected between the bottom end of the fixing plate (42) and the base.

6. The high accuracy cement mortar fluidity tester according to claim 1, characterized in that: the bottom ends of the two fixing plates (42) are fixedly connected with horizontal positioning rods (422).

7. The high accuracy cement mortar fluidity tester according to claim 1, characterized in that: the left half die (21) and the right half die (22) are both connected with at least two screws (31), the screws (31) are positioned on the same horizontal plane and are uniformly distributed on the outer side surface of the left half die (21) or the right half die (22).

8. The high accuracy cement mortar fluidity tester according to claim 2, characterized in that: two ends of the bidirectional screw rod (51) are fixedly connected with blocking pieces (512).