CN207231948U - A kind of instrument for testing fluidity of colloidal cement sand - Google Patents

Abstract

The utility model discloses a kind of instrument for testing fluidity of colloidal cement sand, belongs to flow of cement mortar field of measuring technique, solves the problems, such as easily to shake during removing truncated cone circle mould manually and bump against cement mortar.Technical solution is a kind of instrument for testing fluidity of colloidal cement sand, including the motor in rack and rack, disk table, the cam that disk table jumps up and down is driven to be connected in the rotation axis of motor, subdivision is provided with disk table and justifies mould for identical two-part truncated cone, and it is connected with bindiny mechanism on truncated cone circle mould, bindiny mechanism includes being respectively fixedly connected with justifies the two-part connecting rod of mould in truncated cone, two connecting rods are fixedly connected with turning set away from one end of truncated cone circle mould, two turning sets are socketed in the vertical fixed link of same root, and turning set and fixed link are in rotation connection, the two-part section of truncated cone circle mould is in the same plane with the axial line of fixed link respectively.The utility model is rational in infrastructure, and truncated cone circle mould can be removed in the case where not striking against cement mortar.

Description

A kind of instrument for testing fluidity of colloidal cement sand

Technical field

Flow of cement mortar field of measuring technique is the utility model is related to, more particularly to a kind of flow of cement mortar is surveyed Determine instrument.

Background technology

Instrument for testing fluidity of colloidal cement sand is also known as the electronic jumping table of cement fluidity, the new standard GB/ for issue in 2005 T2419-2005《Test method for fluidity of cement mortar》Slump test, be the unique specified instrument of the standard.In reality In operating process, truncated cone circle mould is first utilized to produce a cement mortar test block on disk table.

Such as the patent that notification number is CN205027632U, a kind of flow of cement mortar testing mould is disclosed, including Lower truncated cone circle mould, upper truncated cone circle mould, lower die-sleeve and Upper Die-sleeve, lower truncated cone circle mould are clamped to form truncated cone circle with upper truncated cone circle mould Mould, lower die-sleeve are clamped with Upper Die-sleeve, lower die-sleeve and the circle mould clamping of upper truncated cone.

The above-mentioned prior art, it is necessary to which truncated cone is justified mould from cement mortar after the manufacture of cement mortar test block is completed Remove, and practical operation is operated by feel, since truncated cone circle mould is surrounded on cement mortar, is so being moved During dynamic truncated cone circle mould, truncated cone circle mould easily shakes and is applied on cement mortar so that shape occurs for cement mortar Change is even toppled over, so as to can be impacted to measure.

Utility model content

The purpose of this utility model is to provide a kind of instrument for testing fluidity of colloidal cement sand, can be with by the bindiny mechanism of setting Two parts of control truncated cone circle mould are opened to both sides so that truncated cone circle mould will not encounter the glue sand of the inside when removing.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of cement mortar flowing Analyzer, including rack are spent, motor and disk table are fixed with the rack, drives the cam that the disk table jumps up and down to connect It is connected in the rotation axis of the motor, is provided with the disk table and justifies mould, the truncated cone for the truncated cone for cement mortar of shaping Circle mould is cutd open as identical two parts, and is connected with the bindiny mechanism that two parts can be made to be opened to both sides on truncated cone circle mould, The bindiny mechanism includes being respectively fixedly connected with justifies the two-part connecting rod of mould in the truncated cone, and two connecting rods are away from described One end of truncated cone circle mould is fixedly connected with turning set, and two turning sets are socketed in the vertical fixed link of same root, and described Turning set and the fixed link are in rotation connection, the two-part section of the truncated cone circle mould axle center with the fixed link respectively Line is in the same plane, and the truncated cone circle mould is also associated with controlling the control mechanism of its two parts division.

By using such scheme, after justifying mould by truncated cone and shaping to glue sand, cut by control mechanism control Left and right two parts of cone circle mould are separated to opposite both direction, and turning set rotates in fixed link at this time, and truncated cone is justified Two parts of mould are connected on turning set by two connecting rods respectively, so that two parts of truncated cone circle mould surround the axis of fixed link Heart line position rotates, and the two-part section of truncated cone circle mould and the axial line of fixed link are in the same plane at this time, Then two parts of truncated cone circle mould will not encounter cement mortar during each autorotation departs from cement mortar, be taken with this to reach Walk truncated cone circle mould and without impinging on the effect of cement mortar.

The utility model is further arranged to：The side of the truncated cone circle two parts of mould away from the connecting rod is solid respectively Surely vertical annulus staggeredly is connected with, and each vertical annulus is socketed in when two parts of truncated cone circle mould are aligned and abut On the vertical latch of same root.

By using such scheme, justify when controlling two parts of truncated cone circle mould to be combined, then by latch insertion truncated cone In vertical annulus on two parts of mould, then the limitation of fixed link is coordinated by the fixation of inserted link again, truncated cone circle mould can be made Two parts keep merging, so as to prevent two parts of the truncated cone circle mould when filling glue sand into truncated cone circle mould from being separated because of compression.

The utility model is further arranged to：The control mechanism includes cross bar, and the lower end of the fixed link is fixedly connected In being socketed with sliding sleeve on the cross bar, the cross bar, the sliding sleeve is slidably connected to the cross bar, and the level two of the sliding sleeve Side be respectively articulated with one can horizontal hunting hinge bar, two hinge bars are isometric, and two hinge bars deviate from the sliding sleeve One end be hingedly connected to two parts of truncated cone circle mould, the hinge bar can be justified relative to the truncated cone in the horizontal direction Mould rotates, and two hinge bars are located at the both sides of truncated cone circle mould with the truncated cone circle two-part hinge joint of mould.

By using such scheme, latch is taken out, slides sliding sleeve along cross bar, then sliding sleeve drives hinge bar to pull or push Truncated cone justifies two parts of mould, so that axial line of the two parts of truncated cone circle mould at the same time around fixed link rotates, so that Reach the effect of two parts division of convenient control truncated cone circle mould.

The utility model is further arranged to：The disk table upper surface is provided with vertical montant, the montant it is upper End is fixedly connected with fixing sleeve, and the cross bar is set in the fixing sleeve away from one end of the fixed link, and both are in slide Dynamic connection.

By using such scheme, by being used as montant and fixing sleeve, support limit is provided for cross bar so that cross bar can To be maintained at horizontality, while cross bar can be controlled to be slided in fixing sleeve, so that two parts of truncated cone circle mould are away from water Earth rubber sand, so as to avoid truncated cone circle mould from impacting the subsequent measurements of cement mortar.

The utility model is further arranged to：The first threaded hole, first threaded hole are additionally provided with the fixing sleeve Internal thread is connected with the first bolt for pushing against the cross bar.

By using such scheme, when unscrewing the first bolt, cross bar can slide in fixing sleeve, screw the first bolt When, the first bolt, which is pushed against on cross bar, cross bar is fixed, so as to prevent horizontal when filling glue sand into truncated cone circle mould Generation of the bar in fixing sleeve is slided and truncated cone circle mould is moved.

The utility model is further arranged to：The inner wall of the fixing sleeve is additionally provided with the limiting slot axially set along it, institute State cross bar outer wall and be provided with the guiding rib axially set along it, the guiding rib is embedded in the limiting slot, the guiding rib It can be slided in the limiting slot.

By using such scheme, if cross bar is subject to larger power to drive it to rotate in fixing sleeve, hinge bar It is possible to deform because of stress with connecting rod, so as to cause truncated cone circle mould run-off the straight and cause cement mortar model Influence, by setting limiting slot and guiding rib then can prevent cross bar from rotating in fixing sleeve.

The utility model is further arranged to：The mounting hole big with the montant etc. is provided with the disk table, it is described The lower end of montant is inserted in the mounting hole, and the outer wall of the montant is provided with along its circumferentially disposed circle fin, described The lower surface of fin is connected to the upper surface of the disk table.

By using such scheme, when being installed to montant, directly the lower end of montant is injected in mounting hole, So that the installation and removal of montant are simple and convenient.

The utility model is further arranged to：The second vertical threaded hole, second screw thread are provided with the fin Hole internal thread is connected with the second bolt, and the lower end of second bolt is threadedly connected to the be correspondingly arranged on the disk table the 3rd Threaded hole, and the nut portion of second bolt is pushed against in the upper surface of the fin.

By using such scheme, the fin on montant is fixed by the second bolt, then montant is fixed on circle On tray-top table, it can prevent montant from rotating in mounting hole and cause truncated cone circle mould to rotate and to the manufacture of cement mortar Impact.

In conclusion the utility model has the advantages that：Truncated cone circle mould is divided into identical two parts, two parts energy It is enough to depart from cement mortar to both sides opening, avoid to remove manually and easily rock in truncated cone circle mold process and bump against cement The problem of glue sand.

Brief description of the drawings

Fig. 1 is the general structure schematic diagram of embodiment；

Fig. 2 is the enlarged drawing of part A in Fig. 1；

Fig. 3 is the explosive view of example structure；

Fig. 4 is the enlarged drawing of part B in Fig. 3.

Reference numeral：1st, rack；2nd, motor；3rd, disk table；4th, cam；5th, truncated cone circle mould；6th, bindiny mechanism；7th, connect Bar；8th, turning set；9th, fixed link；10th, vertical annulus；11st, latch；12nd, cross bar；13rd, sliding sleeve；14th, hinge bar；15th, montant； 16th, fixing sleeve；17th, the first threaded hole；18th, the first bolt；19th, limiting slot；20th, it is oriented to rib；21st, mounting hole；22nd, fin；23、 Second threaded hole；24th, the second bolt；25th, the 3rd threaded hole.

Embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, a kind of instrument for testing fluidity of colloidal cement sand, including the rack 1 for installing mechanism, in rack 1 Motor 2 is installed, cam 4 is installed in the shaft of motor 2, the upper end of rack 1 is also equipped with round table disk, when motor 2 works, The shaft band moving cam 4 of motor 2 starts to rotate, and the cam 4 in rotation pushes disk table 3, jumps up and down disk table 3.In circle The truncated cone made for cement mortar test model is additionally provided with tray-top table 3 and justifies mould 5.

In flow of cement mortar continuous mode, one is first produced on disk table 3 with truncated cone circle mould 5 and is used to measure Cement mortar model, then remove truncated cone circle mould 5, be then turned on that motor 2 makes cement mortar model and disk table 3 beats one together Fixed number, turns off motor 2 afterwards, and the diameter of cement mortar is measured, and the numerical value measured is substituted into formula i.e. The fluidity of cement mortar can be calculated.

A mould for being easy to filling concrete glue sand is provided with truncated cone circle mould 5, truncated cone justifies the upper quilt from vertical direction of mould 5 Subdivision is identical two parts, and joint position is respectively arranged with fixed structure and company at truncated cone circle mould 5 two-part two Connection mechanism 6.Fixed structure includes the vertical annulus 10 being staggered on truncated cone circle 5 two parts of mould, at two of truncated cone circle mould 5 Division and when, truncated cone circle 5 two parts of mould on vertical annulus 10 interted by same root latch 11, blocked vertically by latch 11 Casing 10 so that two parts of truncated cone circle mould 5 cannot separate, in the backfilling cement glue sand into truncated cone circle mould 5, by connecting machine The mating reaction of structure 6 and fixed structure can make two parts of truncated cone circle mould 5 keep merging.

Bindiny mechanism 6 includes two connecting rods, 7, two identical turning sets 8 and a fixed link 9, two connecting rods 7 One end is respectively welded on two parts of truncated cone circle mould 5, and the other end of two connecting rods 7 is respectively welded at two 8 sides of turning set On wall, two turning sets 8 are in be vertically arranged and be socketed in successively up and down in vertical fixed link 9, and need truncated cone justifying mould 5 Two-part section and the axial line of fixed link 9 are disposed on the same plane.

When truncated cone circle mould 5 is removed from cement mortar model, the latch 11 in vertical annulus 10 is first taken out, then use hand Two parts of truncated cone circle mould 5 are rotated in the opposite direction around fixed link 9, in rotation process, since truncated cone justifies mould 5 two The section and the axial line of fixed link 9 divided is in the same plane, so two parts of truncated cone circle mould 5 can be from cement gel sand mo(u)ld Depart from type and without impinging on cement mortar model.

By manual operations by truncated cone justify mould 5 two parts successively remove operation it is more inconvenient, so being also provided with controlling Mechanism to truncated cone circle mould 5 two parts be controlled, by control mechanism can make truncated cone justify mould 5 two parts at the same time move into Row merges or at the same time backwards to mobile.Control mechanism includes cross bar 12, sliding sleeve 13 and two identical hinge bars 14,12 water of cross bar Flat to set, the lower end of fixed link 9 is directly welded on the upper surface of 12 one end of cross bar, and sliding sleeve 13 is socketed on cross bar 12, in cunning The both sides for covering 13 horizontal levels are provided with hinged seat, and one end of two hinge bars 14 is respectively hinged on a hinged seat, connecting rod 7 It can be swung in the horizontal direction after being hinged on hinged seat, the both sides that horizontal level is corresponded in truncated cone circle mould 5 are also provided with Two hinged seats, the other end of two connecting rods 7 are respectively hinged on corresponding hinged seat, while two connecting rods 7 are not handed over Pitch, connecting rod 7 can justify mould 5 relative to truncated cone and swing in the horizontal direction at this time.

When controlling truncated cone circle 5 two-part division of mould by control mechanism, the direction of sliding sleeve 13 to truncated cone circle mould 5 is moved Dynamic, due to pushing for two hinge bars 14, then two parts of truncated cone circle mould 5 can gradually draw close merging, at this time again by latch 11 Two parts of truncated cone circle mould 5 can be made to keep merging in insertion vertical annulus 10.Depart from water in two parts of control truncated cone circle mould 5 During earth rubber sand mo(u)ld type, the extraction out of vertical annulus 10 by latch 11, then slides sliding sleeve 13 to backwards to the direction of truncated cone circle mould 5 It is dynamic, it is subject to the pulling force effect of two hinge bars 14, two parts of truncated cone circle mould 5 are gradually pulled open.

With reference to shown in Fig. 2 and Fig. 4, fixing sleeve 16 is also socketed with cross bar 12, the lower end of fixing sleeve 16 is welded with montant 15, the lower end of montant 15 is then fixed on disk table 3, and the side of fixing sleeve 16 is provided with the first threaded hole 17, the first threaded hole 17 internal threads are connected with the first bolt 18 for pushing against cross bar 12, and limiting slot 19 is provided with the upside of the inner wall of fixing sleeve 16, The upper surface of cross bar 12 is provided with the corresponding guiding rib 20 with limiting slot 19, is oriented to rib 20 and is embedded in limiting slot 19.

With reference to shown in Fig. 3 and Fig. 4, in the backfilling cement glue sand into truncated cone circle mould 5, the first bolt 18 can be screwed and pushed against Cross bar 12 so that cross bar 12 can not slide in fixing sleeve 16, so as to ensure that truncated cone justifies consolidating for 5 position of mould after latch 11 is plugged It is fixed.When two parts of control mechanism control truncated cone circle mould 5 depart from from cement mortar model, cross bar 12 is controlled in fixation with hand Slided in set 16 to the direction away from cement mortar model, two parts of truncated cone circle mould 5 are moved to an off into cement gel sand mo(u)ld Type remote position screws the first bolt 18 and pushes against cross bar 12 again, can so justify two parts of mould 5 to avoid truncated cone from cement gel Sand is too near, measurement to the cement mortar diameter after bounce operation counteracts.Limiting slot 19 is set and is oriented to after rib 20, can So that cross bar 12 will not rotate when being slided in fixing sleeve 16, so as to avoid cross bar 12 from driving truncated cone circle mould when rotating 5 tilt and the filling to cement mortar impacts.

The mounting hole 21 big with the grade of montant 15 is provided with the disk table 3 of corresponding 15 lower end position of montant, montant 15 Lower end is inserted in mounting hole 21, while is provided with a circle along its circumferentially disposed fin 22, fin on the side wall of montant 15 22 lower surface is connected on the upper surface of disk table 3 to prevent montant 15 from gliding.At this time, montant 15 can support fixing sleeve 16 and cross bar 12.The second threaded hole 23 is additionally provided with 22 upper surface of fin, second is connected with 23 internal thread of the second threaded hole Bolt 24, correspondence position is provided with the 3rd threaded hole 25 on disk table 3, and the second bolt 24 is threaded in the 3rd threaded hole 25 It is interior, and the nut portion of the second bolt 24 is pushed against the upper surface of fin 22., can be to perpendicular by the effect of the second bolt 24 Bar 15 is fixed, and montant 15 is not drawn upwardly out, is rotated in mounting hole 21, so that cross bar 12 is fixed on fixing sleeve It can not move up when in 16 or rotate around montant 15, play the work for coordinating the first screw rod that 12 position of cross bar is fixed With.

This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but As long as all protected in the right of the utility model be subject to Patent Law.

Claims (8)

1. a kind of instrument for testing fluidity of colloidal cement sand, including rack（1）, the rack（1）On be fixed with motor（2）With disk table （3）, drive the disk table（3）The cam jumped up and down（4）It is connected to the motor（2）Rotation axis on, the disk table （3）On be provided with for cement mortar of shaping truncated cone justify mould（5）, it is characterised in that：The truncated cone justifies mould（5）Cutd open to be identical Two parts, and the truncated cone circle mould（5）On be connected with the bindiny mechanism that two parts can be made to be opened to both sides（6）, the connection Mechanism（6）Justify mould in the truncated cone including being respectively fixedly connected with（5）Two-part connecting rod（7）, two connecting rods（7）Deviate from The truncated cone justifies mould（5）One end be fixedly connected with turning set（8）, two turning sets（8）It is socketed in that same root is vertical to be consolidated Fixed pole（9）On, and the turning set（8）With the fixed link（9）In rotation connection, the truncated cone justifies mould（5）It is two-part Section respectively with the fixed link（9）Axial line it is in the same plane, the truncated cone justifies mould（5）Be also associated with controlling its two The control mechanism of part division.

A kind of 2. instrument for testing fluidity of colloidal cement sand according to claim 1, it is characterised in that：The truncated cone justifies mould（5） Two parts away from the connecting rod（7）Side be respectively fixedly connected with vertical annulus staggeredly（10）, and it is each described vertical Casing（10）Justify mould in the truncated cone（5）Two parts alignment abut when be socketed in the vertical latch of same root（11）On.

A kind of 3. instrument for testing fluidity of colloidal cement sand according to claim 1, it is characterised in that：The control mechanism includes Cross bar（12）, the fixed link（9）Lower end be fixedly connected on the cross bar（12）, the cross bar（12）On be socketed with sliding sleeve （13）, the sliding sleeve（13）It is slidably connected to the cross bar（12）, and the sliding sleeve（13）Horizontal both sides be respectively articulated with one Root can horizontal hunting hinge bar（14）, two hinge bars（14）It is isometric, two hinge bars（14）Away from the sliding sleeve （13）One end be hingedly connected to truncated cone circle mould（5）Two parts, the hinge bar（14）Can be opposite in the horizontal direction Justify mould in the truncated cone（5）Rotate, and two hinge bars（14）Justify mould with the truncated cone（5）Two-part hinge joint position Justify mould in the truncated cone（5）Both sides.

A kind of 4. instrument for testing fluidity of colloidal cement sand according to claim 3, it is characterised in that：The disk table（3）On Surface is provided with vertical montant（15）, the montant（15）Upper end be fixedly connected with fixing sleeve（16）, the cross bar（12） Away from the fixed link（9）One end be set in the fixing sleeve（16）It is interior, and both are in be slidably connected.

A kind of 5. instrument for testing fluidity of colloidal cement sand according to claim 4, it is characterised in that：The fixing sleeve（16）On It is additionally provided with the first threaded hole（17）, first threaded hole（17）Internal thread is connected with for pushing against the cross bar（12） One bolt（18）.

A kind of 6. instrument for testing fluidity of colloidal cement sand according to claim 4, it is characterised in that：The fixing sleeve（16）'s Inner wall is additionally provided with the limiting slot axially set along it（19）, the cross bar（12）Outer wall is provided with the guiding rib axially set along it （20）, the guiding rib（20）It is embedded at the limiting slot（19）It is interior, the guiding rib（20）Can be in the limiting slot（19）It is interior Slide.

A kind of 7. instrument for testing fluidity of colloidal cement sand according to claim 4, it is characterised in that：The disk table（3）On It is provided with and the montant（15）Etc. big mounting hole（21）, the montant（15）Lower end insert embedded in the mounting hole（21） It is interior, the montant（15）Outer wall be provided with along its circumferentially disposed circle fin（22）, the fin（22）Lower surface support It is connected to the disk table（3）Upper surface.

A kind of 8. instrument for testing fluidity of colloidal cement sand according to claim 7, it is characterised in that：The fin（22）On set It is equipped with the second vertical threaded hole（23）, second threaded hole（23）Internal thread is connected with the second bolt（24）, described second Bolt（24）Lower end be threadedly connected to the disk table（3）On the 3rd threaded hole that is correspondingly arranged（25）, and second spiral shell Bolt（24）Nut portion push against in the fin（22）Upper surface.