CN214687173U - Demoulding device for concrete impermeability instrument - Google Patents

Abstract

The utility model relates to a shedder for concrete anti-permeability apparatus, it includes base, support die holder, jacking piece and compresses tightly the subassembly, support die holder along vertical direction sliding connection in on the base, support die holder top is equipped with the holding tank, the holding tank diameter is not less than the internal diameter of examination mould bottom and is not more than the external diameter of examination mould bottom, jacking piece is located the base bottom, jacking piece can order about support die holder is followed the base upwards slides, it is fixed that the subassembly is used for the test piece top in the examination mould to compress tightly. This application has the effect of making things convenient for the concrete sample drawing of patterns.

Description

Demoulding device for concrete impermeability instrument

Technical Field

The application relates to the technical field of concrete test equipment, in particular to a demoulding device for a concrete impermeability instrument.

Background

At present, with the continuous development of concrete technology, the durability of concrete becomes a problem of close attention nowadays. The impermeability of concrete, which is one of the factors affecting the durability of concrete, is being regarded by more and more engineers and scholars. Concrete impermeability instruments are commonly used for the determination of the air permeability of building materials and quality inspection, and are therefore widely used in production, construction, design, teaching and research departments.

The Chinese utility model with the application number of CN201721365824.4 discloses a concrete impermeability instrument, which comprises a test die holder, wherein a test die is arranged on the test die holder and comprises a die sleeve, and one end of the die sleeve is vertically connected with a fixing plate which is in contact with the end face of the test die holder; the test die holder is provided with a plurality of fixing holes, and fixing columns penetrate through the fixing holes; a spring in a stretching state is connected between the fixed column and the bottom wall of the fixed hole, and a positioning plate is arranged at one end of the fixed column, which is far away from the spring; the locating plate can rotate for the fixed column, and can contact with the fixed plate roof.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the water permeability and impermeability test is completed, the test piece needs to be taken out from the impermeability test mold of the impermeability instrument, and the impermeability test piece is just matched with the impermeability test mold, and a sealing layer exists between the test mold and the test piece, so the test piece is usually pressed into a mold sleeve by a press machine, and is difficult to be taken out.

SUMMERY OF THE UTILITY MODEL

In order to facilitate demoulding of a concrete test piece, the application provides a demoulding device for a concrete impermeability instrument.

The application provides a pair of shedder for concrete anti-permeability apparatus adopts following technical scheme:

the utility model provides a shedder is used to concrete anti-permeability apparatus, includes base, die holder, jacking piece and compresses tightly the subassembly, vertical direction sliding connection is followed to the die holder on the base, die holder top is equipped with the holding tank, the holding tank diameter is not less than the internal diameter of trying the mould bottom and is not more than the external diameter of trying the mould bottom, jacking piece is located the base bottom, jacking piece can order about the die holder is followed the base upwards slides, it is fixed to compress tightly the test piece top that the subassembly is used for in the examination mould.

Through adopting above-mentioned technical scheme, when needs break away from the examination mould to the test block, with examination mould intercommunication concrete test piece together place on holding in the palm the die holder, concrete test piece top in with the examination mould through fixed subassembly is fixed to be compressed tightly, order about through the jacking piece and hold in the palm die holder upward movement, hold in the palm the die holder and drive the examination mould upward movement, because fixed subassembly is fixed to the concrete test piece, make the examination mould break away from the concrete test piece, the concrete test piece drops in the holding tank, reach the effect of concrete test piece drawing of patterns, and then conveniently carry out drawing of patterns to the concrete test piece and handle.

Optionally, the compressing assembly comprises a stand column, a cross beam and a pressing shaft, the stand column is vertically arranged on the side edge of the top of the base, the cross beam is horizontally arranged at the upper end of the stand column, the pressing shaft is vertically arranged at the bottom of the cross beam, and the pressing shaft is located right above the accommodating groove.

Through adopting above-mentioned technical scheme, when drawing of patterns to the concrete sample, play the supporting role through the stand, push down the top of concrete sample through the last pressure axis of crossbeam, at the in-process of die carrier upward movement, test mould and concrete sample take place earlier to the displacement realization drawing of patterns effect.

Optionally, the pressing shaft penetrates through the cross beam and is in threaded connection with the cross beam, and an adjusting wheel is arranged at the upper end of the pressing shaft.

Through adopting above-mentioned technical scheme, through setting up last item and crossbeam threaded connection, conveniently adjust the height of last item to the convenience is with examination mould and concrete test piece get on die supporting frame and is put the effect.

Optionally, an expansion groove is formed in the top of the die supporting seat around the accommodating groove.

Through adopting above-mentioned technical scheme, through setting up the flaring groove for the lower extreme of examination mould prevents at the flaring inslot, plays limiting displacement to examination mould and concrete test piece, avoids examination mould and concrete test piece at the in-process of die carrier to remove on the die carrier seat and influence normal die carrier.

Optionally, a pressure plate is horizontally arranged at the bottom of the pressure shaft, and the diameter of the pressure plate is not greater than the inner diameter of the top of the test mold.

Through adopting above-mentioned technical scheme, through setting up the pressure disk on the last pressure disk, increase the area of contact with the concrete test piece through the pressure disk, avoid at the in-process of die-supporting, the pressure shaft causes the destruction to the concrete test piece.

Optionally, a guide assembly is arranged between the base and the die holder, the guide assembly includes a guide rib vertically arranged on the side wall of the die holder, a guide groove matched with the guide rib is arranged on the base, and the guide rib is located in the guide groove.

Through adopting above-mentioned technical scheme, cooperate through set up the guide way on wire bead and the base on the die holder lateral wall, it is more stable when the jacking piece orders about die holder and removes along the base to further improve the stability of device.

Optionally, the jacking member is specifically a hydraulic cylinder.

Through adopting above-mentioned technical scheme, be the pneumatic cylinder through setting up the jacking piece, the pneumatic cylinder is when ordering about die holder to go up and down to carry out the drawing of patterns to the concrete sample, does not have the transmission clearance, and the motion is steady, simple structure, reliable operation.

Optionally, a limit nut is connected to the pressing shaft through threads, and the limit nut is located below the cross beam.

Through adopting above-mentioned technical scheme, through threaded connection stop nut on the last of last, when drawing of patterns to the concrete sample, improve the stability of being connected between last axle and the crossbeam.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the jacking piece is arranged to drive the die supporting seat to drive the test die to move upwards, and the fixing assembly is used for fixing the concrete test piece, so that the test die and the concrete test piece are subjected to first contraposition displacement in the upward movement process to realize the demoulding effect;

2. the pressing shaft is in threaded connection with the cross beam, so that the height of the pressing shaft can be conveniently adjusted, and the effect of taking and placing the test mold and the concrete test piece on the mold supporting frame can be realized;

3. through setting up the flaring groove, play limiting displacement to examination mould and concrete sample, avoid trying mould and concrete sample at the in-process of die carrier to remove on the die carrier seat and influence normal die carrier.

Drawings

Fig. 1 is a schematic structural diagram of a demolding device for a concrete impermeability instrument according to an embodiment of the present application.

Fig. 2 is a perspective sectional view of a demolding device for a concrete impermeability instrument according to an embodiment of the present application.

Reference numerals: 1. a base; 11. a guide groove; 2. a die holder is supported; 21. accommodating grooves; 22. a flared groove; 23. a guide rib; 3. a jacking piece; 4. a compression assembly; 41. a column; 42. a cross beam; 43. pressing the shaft; 431. an adjustment wheel; 44. a platen; 5. a limit nut; 6. and (6) testing the mold.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses shedder for concrete anti-permeability apparatus. Referring to fig. 1 and 2, shedder includes base 1, support die holder 2, jacking piece 3 and compress tightly subassembly 4, support die holder 2 is along vertical direction sliding connection on base 1, 2 bit cylindrical structures of support die holder, holding tank 21 has been seted up at support die holder 2 top, holding tank 21 diameter is not less than the internal diameter of trying 6 bottoms and is not more than the external diameter of trying 6 bottoms, jacking piece 3 sets up in base 1 bottom, jacking piece 3 specifically is the pneumatic cylinder, the output of pneumatic cylinder and the welding of support die holder 2 bottoms, the jar body end and the welding of base 1 bottom of pneumatic cylinder. Jacking piece 3 can order about and hold in the palm die holder 2 and upwards slide along base 1, and it is fixed to compress tightly subassembly 4 and be used for the test piece top in the examination mould 6. Fix through compressing tightly the concrete test piece top in the subassembly 4 will try mould 6 and compress tightly, order about support die holder 2 upward movement through jacking piece 3, hold in the palm die holder 2 and drive and try mould 6 upward movement for try mould 6 and concrete test piece take place relative displacement and break away from, the concrete test piece drops in holding tank 21.

Referring to fig. 1 and 2, the pressing assembly 4 includes a vertical column 41, a cross beam 42 and a pressing shaft 43, the vertical column 41 is welded on the top side of the base 1, the two vertical columns 41 are symmetrically arranged along the central axis of the base 1, the cross beam 42 is horizontally welded on the upper ends of the two vertical columns 41, the pressing shaft 43 is vertically arranged on the cross beam 42, and the pressing shaft 43 is located right above the accommodating groove 21. When the concrete sample is demoulded, the upright column 41 plays a supporting role, and the pressing shaft 43 on the cross beam 42 presses the top of the concrete sample.

Referring to fig. 1 and 2, the pressing shaft 43 penetrates through the cross beam 42 and is in threaded connection with the cross beam 42, and the adjusting wheel 431 is welded at the upper end of the pressing shaft 43, so that the height of the pressing shaft 43 can be adjusted conveniently, and the test mold 6 and a concrete sample can be conveniently taken and placed on the mold supporting frame. Threaded connection has stop nut 5 on the last pressure axle 43, and stop nut 5 is located crossbeam 42 below, and stop nut 5 and crossbeam 42 bottom butt when drawing of patterns the concrete sample, and stop nut 5 can improve the stability of being connected between pressure axle 43 and crossbeam 42. The pressing shaft 43 is horizontally welded with a pressing plate 44 at the bottom, the diameter of the pressing plate 44 is not larger than the inner diameter of the top of the test mould 6, and the contact area of the pressing plate 44 and the concrete test piece is increased.

Referring to fig. 1 and 2, the top of the die supporting seat 2 is provided with a flaring groove 22 in a circle of the accommodating groove 21, so that the lower end of the test die 6 is prevented from being in the flaring groove 22, and the test die 6 and a concrete sample are limited. Be provided with the direction subassembly between base 1 and die holder 2, the direction subassembly includes vertical welding at the direction bead 23 of 2 lateral walls of die holder, has seted up on base 1 with direction bead 23 matched with guide way 11, direction bead 23 is located guide way 11, and the bilateral symmetry welding of die holder 2 has two direction beads 23, and is more stable when making die holder 2 remove along base 1.

The implementation principle of the demoulding device for the concrete impermeability instrument is as follows: when needing to break away from examination mould 6 to the test block, adjust the height of pressure disk 44 through rotating regulating wheel 431, then will have the vertical placing of examination mould 6 of concrete test piece in flaring groove 22, then through rotating regulating wheel 431, make pressure disk 44 compress tightly the concrete test piece top in examination mould 6, remove stop nut 5 to crossbeam 42 below and crossbeam 42 butt, then start jacking piece 3, order about support die holder 2 upward movement through jacking piece 3, support die holder 2 drives examination mould 6 upward movement, because fixed subassembly is fixed to the concrete test piece, relative displacement takes place between examination mould 6 upward movement and the concrete test piece, make examination mould 6 and concrete test piece break away from. The concrete sample drops to holding tank 21 in, reaches the effect of concrete sample drawing of patterns.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a shedder is used to concrete anti-permeability apparatus which characterized in that: including base (1), die holder (2), jacking piece (3) and compress tightly subassembly (4), vertical direction sliding connection is followed in die holder (2) on base (1), die holder (2) top is equipped with holding tank (21), holding tank (21) diameter is not less than the internal diameter of trying mould (6) bottom and is not more than the external diameter of trying mould (6) bottom, jacking piece (3) are located base (1) bottom, jacking piece (3) can order about die holder (2) are followed base (1) upwards slides, it is fixed to compress tightly the test piece top that subassembly (4) are used for trying mould (6) in.

2. The demolding device for the concrete impermeability instrument of claim 1, wherein: compress tightly subassembly (4) and include stand (41), crossbeam (42) and last item (43), stand (41) are vertical to be located base (1) top side, crossbeam (42) level is located stand (41) upper end, last item (43) are vertical to be located crossbeam (42) bottom, last item (43) are located directly over holding tank (21).

3. The demolding device for the concrete impermeability instrument of claim 2, wherein: the pressing shaft (43) penetrates through the cross beam (42) and is in threaded connection with the cross beam (42), and an adjusting wheel (431) is arranged at the upper end of the pressing shaft (43).

4. The demolding device for the concrete impermeability instrument of claim 3, wherein: the top of the die holder (2) is provided with an expanding groove (22) around the accommodating groove (21).

5. The demolding device for the concrete impermeability instrument of claim 4, wherein: the bottom of the pressing shaft (43) is horizontally provided with a pressing plate (44), and the diameter of the pressing plate (44) is not larger than the inner diameter of the top of the test mold (6).

6. The demolding device for the concrete impermeability instrument of claim 5, wherein: base (1) with be equipped with the direction subassembly between support die holder (2), the direction subassembly includes vertical locating support die holder (2) lateral wall direction bead (23), be equipped with on base (1) with direction bead (23) matched with guide way (11), direction bead (23) are located in guide way (11).

7. The demolding device for the concrete impermeability instrument of claim 1, wherein: the jacking piece (3) is specifically a hydraulic cylinder.

8. The demolding device for the concrete impermeability instrument of claim 2, wherein: and the pressing shaft (43) is connected with a limiting nut (5) in a threaded manner, and the limiting nut (5) is positioned below the cross beam (42).

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