CN211085880U - Concrete test convenient to drawing of patterns - Google Patents

Abstract

The utility model relates to a concrete test convenient to drawing of patterns belongs to the concrete test field, comprises a workbench, the workstation is hollow rectangle platform, be provided with the multiunit mould on the workstation, inside cavity of multiunit mould and both ends opening, the mould sets up with the inside intercommunication of workstation, still be provided with the die holder in the workstation, the die holder passes through elevating gear and sets up under the mould, the die holder closely laminates with the bottom of mould, be provided with vertical ascending support on the workstation, the top that lies in the multiunit mould on the support is provided with the crossbeam, the length direction of crossbeam is unanimous with the length direction of workstation, be provided with the air pump that is used for making the test piece drawing of patterns on the crossbeam, the air pump passes through the slider and slides and sets up on the crossbeam, the output of air pump is provided with the outlet duct, be provided with supplementary lid on the outlet duct, the size of. The utility model discloses can be convenient for make a plurality of concrete test piece drawing of patterns, have the advantage that improves staff work efficiency.

Description

Concrete test convenient to drawing of patterns

Technical Field

The utility model belongs to the technical field of the concrete test and specifically relates to a concrete test convenient to drawing of patterns is related to.

Background

The cement concrete is a general name of engineering composite materials formed by mixing cement, sand, stone and the like into a whole by water, is a civil engineering material which is most widely applied at present, and in order to test the mechanical property, the durability and the like of the concrete in actual use, the concrete needs to be made into a test piece for testing, and the manufacture of the test piece needs to be carried out through a series of processes such as pouring, demoulding, maintenance and the like.

The concrete test of prior art is top open-ended cylinder or cube shape usually, the staff need with concrete slurry injection in the test mould, treat the concrete shaping back, will try the mould back-off and come, it is built on stilts with the test mould after the upset, then adopt the mode of form removal air gun or manual demoulding to carry out the drawing of patterns, when actual test, need make a plurality of concrete samples, the staff just needs the fashioned concrete test of upset many times, then carry out the drawing of patterns to the concrete sample, the operation is numerous and diverse, be unfavorable for work efficiency's improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete test convenient to drawing of patterns can be convenient for make a plurality of concrete test piece drawing of patterns, has the advantage that improves staff work efficiency.

The above object of the present invention can be achieved by the following technical solutions:

a concrete test mould convenient for demoulding comprises a workbench which is a hollow rectangular platform, a plurality of sets of moulds are arranged on the workbench, the interiors of the plurality of sets of moulds are hollow, two ends of the plurality of sets of moulds are open, the moulds are communicated with the interior of the workbench, the workbench is also internally provided with a die holder which is arranged right below the die through a lifting device, the die holder is tightly attached to the bottom end of the die, the workbench is provided with a vertically upward bracket, a cross beam is arranged on the bracket above the plurality of groups of moulds, the length direction of the cross beam is consistent with that of the workbench, the cross beam is provided with an air pump used for demoulding the test piece, the air pump is arranged on the cross beam in a sliding way through a sliding part, the output end of the air pump is provided with an air outlet pipe, an auxiliary cover is arranged on the air outlet pipe, and the size of the auxiliary cover is consistent with that of the mold.

Implement above-mentioned technical scheme, when needs preparation test piece, utilize elevating gear earlier to rise the die holder and closely contradict with the bottom of mould, then pour into the concrete thick liquid into the mould, treat the concrete test piece shaping back in the mould, recycle elevating gear descends the die holder, fashioned concrete test piece can the adhesion in the mould, can not fall naturally, then establish the supplementary lid in the mould upper end, start the air pump, thereby make the concrete test piece deviate from in the mould, and be provided with the multiunit mould on the workstation, and the air pump slides and sets up in the mould top, thereby can be convenient for make a plurality of concrete test piece drawing of patterns, have the advantage that improves staff work efficiency.

Further, elevating gear includes that the screwed pipe and the screw thread of vertical setting in the workstation wear to establish the lead screw in the screwed pipe, the quantity of screwed pipe is the same with the quantity of mould, be provided with the backup pad that is used for fixed screwed pipe in the workstation, be provided with antifriction bearing in the backup pad, the screwed pipe passes antifriction bearing's inner circle and with antifriction bearing interference fit, be provided with on the workstation and be used for driving a plurality of screwed pipes pivoted synchronous rotation piece simultaneously, the top and the die holder fixed connection of lead screw, the bottom of lead screw sets up the rotation stopping pole, be provided with in the workstation and be used for preventing the lead screw along with the synchronous pivoted of screwed pipe rotation rail, the rotation stopping groove has been seted up on the rotation stopping rail, the length direction in rotation stopping groove is unanimous with the length direction of lead screw, the other end of rotation stopping pole is located the rotation stopping ins.

Implement above-mentioned technical scheme, through setting up the antifriction bearing in the backup pad, can make the screwed pipe rotate the piece in fixed position cooperation synchronization and be rotary motion, the lead screw thread that the top was provided with the die holder is worn to establish in the screwed pipe, and the bottom of lead screw is provided with only the bull stick, only the bull stick reciprocates along only ending the orbit on ending the inslot, from this the screwed pipe when the effect of rotating the piece in step takes place to rotate down, the lead screw can reciprocate along vertical direction to have the effect that enables the die holder lift.

Further, the synchronous rotating part comprises a handle, a rotating rod, an auxiliary rod and a gear set, a supporting rod is arranged on the outer wall of the workbench, the rotating rod is rotatably arranged on the supporting rod, the length direction of the rotating rod is vertical to the length direction of the screw rod, one end of the rotating rod is connected with the handle, the auxiliary rod is rotatably arranged on the side wall of the workbench in a penetrating way, the gear set comprises a first bevel gear, a second bevel gear and a third bevel gear, the rotating rod is coaxially provided with the first bevel gear, a second bevel gear is coaxially arranged on the auxiliary rod, the first bevel gear is meshed with the second bevel gear, and a third bevel gear is arranged at one end of the auxiliary rod in the workbench, a bevel gear ring is arranged on the side wall of the threaded pipe, and the third bevel gear is meshed with the bevel gear ring arranged on the threaded pipe.

Implement above-mentioned technical scheme, when needs make the die holder go up and down, turn round the handle earlier, and then the dwang rotates thereupon with coaxial first bevel gear that sets up on the dwang, the second bevel gear with first bevel gear engaged with drives the auxiliary rod and rotates, then the third bevel gear that sets up on the auxiliary rod equally also begins to rotate, and the drive is provided with the screwed pipe rotation with the bevel gear ring of third bevel gear engaged with, thereby make the threaded sleeve establish the lead screw in the screwed pipe and begin to move, thereby make the die holder rise or descend, and synchronous rotation piece has the effect that makes a plurality of die holders realize going up and down simultaneously.

Further, be provided with the support ring that is used for supplying the dwang to pass on the bracing piece, be provided with on the support ring and support tight bolt, support tight bolt and support the dwang tightly in the support ring.

Implement above-mentioned technical scheme, when through twist grip, make the die holder rise to closely support the back in the mould bottom, screw up and support the bolt, have the effect of fixed dwang to have the effect that can let die holder and mould keep the state of closely contradicting.

Further, the slider includes connecting plate and slider, the connecting plate sets up on the air pump, the slider sets up on the connecting plate, the sliding tray has been seted up on the crossbeam, the length direction of sliding tray is unanimous with the length direction of crossbeam, the slider slides and sets up in the sliding tray.

According to the technical scheme, the sliding blocks connected with the air pump through the connecting rods can slide in the sliding grooves of the cross beams, so that the air pump can be moved, and multiple groups of dies arranged on the workbench can be demoulded.

Furthermore, a ball is embedded on the sliding block.

Implement above-mentioned technical scheme, inlay on the slider and establish the ball to have the effect that makes the air pump slide more smoothly.

Further, the edge of auxiliary cover is provided with the flange, the flange is laminated with the outer wall of mould mutually.

Implement above-mentioned technical scheme, through set up the flange that can laminate mutually with the outer wall of mould on supplementary lid to have and make supplementary lid more firmly cover the effect of establishing on the mould.

Further, the workstation has seted up out a mouth on the lateral wall from the bracing piece, be provided with the elasticity layer on the workstation, the length direction on elasticity layer is unanimous with the length direction of workstation, the elasticity layer inserts in the workstation through a mouth, be provided with the T shape slide of two parallels on the inner wall of workstation, the length direction of T shape slide is unanimous with the width direction of workstation, the side on elasticity layer is provided with T shape slider, T shape slider slides and sets up in T shape slide, the one end that the elasticity layer is located out a mouthful outer is provided with vertical decurrent ground pole, be provided with the gyro wheel on the ground pole.

By implementing the technical scheme, when a test piece is manufactured, the die holder needs to be lifted, the elastic layer is pulled at the moment, the T-shaped slide block arranged at the side end of the elastic layer slides outwards along the T-shaped slide way, and the elastic layer can be pulled out of the workbench, so that the lifting process of the die holder is not influenced; when the test piece is demoulded, the base is descended, then the elastic layer is pushed into the workbench, the function of bearing the fallen test piece can be achieved, and finally the elastic layer is pulled out again, so that the test piece is taken out, and the effects of protecting the test piece from being damaged and facilitating the taking out of the test piece are achieved; and through setting up the gyro wheel for the staff is more laborsaving when the push-and-pull elasticity layer.

Further, a boss is arranged on the die holder and closely attached to the inner wall of the die, and a sealing ring is arranged at the edge of the boss.

Implement above-mentioned technical scheme, the die holder rises the back, and the boss can insert the inside of mould and the boss closely laminates with the mould inner wall, then sets up the sealing washer at the edge of boss, makes the laminating of die holder and mould inseparabler to when making the test piece, can not make the concrete thick liquid spill over from the junction of mould and die holder.

To sum up, the utility model discloses following beneficial effect has:

firstly, a die holder of a die is set to be in a separable form, then an air pump for demoulding is arranged above the die, so that workers can conveniently and directly demould test pieces, and a plurality of concrete test pieces can be conveniently demoulded by arranging a plurality of groups of dies and arranging a slidable air pump, so that the working efficiency of the workers is improved;

secondly, the plurality of die holders can be lifted and lowered simultaneously only by rotating the handle, so that the effect of improving the working efficiency of workers is achieved;

thirdly, the elastic layer is arranged in a push-pull mode, so that the effect of not influencing the lifting of the die holder can be achieved, and the effect of bearing a test piece is achieved, so that the test piece is protected from being damaged due to falling;

fourthly, a boss which can be tightly attached to the inner wall of the mold is arranged on the mold base, and then a sealing ring is arranged on the edge of the boss, so that the mold base and the mold are more tightly attached.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a part of a structure for showing a lifting device and a synchronous driving member according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is a partial exploded view and a sectional view for showing the connection relationship between the inner structure of the workbench and the air pump according to the embodiment of the present invention.

Reference numerals: 1. a work table; 11. a mold; 12. a die holder; 121. a boss; 122. a seal ring; 13. a lifting device; 131. a threaded pipe; 1311. a conical gear ring; 132. a lead screw; 1321. rotation stopping rods 1322, rotation stopping rails; 1323. a rotation stopping groove; 14. a support; 141. a cross beam; 1411. a sliding groove; 142. an air pump; 1421. an air outlet pipe; 1422. an auxiliary cover; 1423. a flange; 1424. a connecting plate; 1425. a slider; 1426. a ball bearing; 15. a support plate; 151. a rolling bearing; 16. a support bar; 161. rotating the rod; 162. a handle; 163. an auxiliary lever 164, a first bevel gear; 165. a second bevel gear; 166. a third bevel gear; 167. a support ring; 168. tightly abutting against the bolt; 17. a workpiece outlet; 171. an elastic layer; 1711. a T-shaped slider; 1712. a ground supporting rod; 1713. a roller; 18. t-shaped slide way.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a concrete test mold convenient for demolding comprises a workbench 1, wherein the workbench 1 is a hollow rectangular table, a plurality of groups of molds 11 are arranged on the workbench 1, the plurality of groups of molds 11 are hollow and have openings at two ends, and the molds 11 are communicated with the interior of the workbench 1; in this embodiment, three sets of molds 11 are provided, and each set of molds 11 is cylindrical in shape; a supporting plate 15 for fixing the threaded pipe 131 is arranged in the workbench 1, a rolling bearing 151 is arranged on the supporting plate 15, the threaded pipe 131 penetrates through the inner ring of the rolling bearing 151 and is in interference fit with the rolling bearing 151, and the number of the threaded pipes 131 is the same as that of the dies 11; a screw 132 penetrates through the internal thread of the threaded pipe 131, a rotation stopping rod 1321 is arranged at the bottom end of the screw 132, a rotation stopping rail 1322 is arranged in the workbench 1, a rotation stopping groove 1323 with the length direction consistent with that of the screw 132 is formed in the rotation stopping rail 1322, and the other end of the rotation stopping rod 1321 is positioned in the rotation stopping groove 1323; in the present embodiment, the length of the rotation stop rail 1322 is the same as the height of the threaded pipe 131; the top end of the screw 132 is fixedly connected to the die holder 12, the die holder 12 is located right below the die 11, a boss 121 is disposed on the die holder 12, the boss 121 is inserted into the die 11 and tightly attached to the inner wall of the die 11, and a sealing ring 122 is disposed on the edge of the boss 121.

As shown in fig. 2 and 3, a support rod 16 is arranged on the outer wall of the workbench 1, a support ring 167 is arranged on the support rod 16, a fastening bolt 168 is arranged on the support ring 167, a rotating rod 161 penetrates through the support ring 167, the rotating rod 161 is fastened in the support ring 167 by the fastening bolt 168, the length direction of the rotating rod 161 is perpendicular to the length direction of the screw 132, one end of the rotating rod 161 is connected with a handle 162, a first bevel gear 164 is coaxially arranged on the rotating rod 161, an auxiliary rod 163 is rotatably arranged on the side wall of the workbench 1 in a penetrating manner, a second bevel gear 165 is coaxially arranged on the auxiliary rod 163, and the first bevel gear 164 is meshed with the second bevel gear 165; referring to fig. 4, a third bevel gear 166 is provided on an end of the auxiliary rod 163 located inside the work table 1, a bevel ring 1311 is provided on a side wall of the threaded pipe 131, and the third bevel gear 166 is engaged with the bevel ring 1311 provided on the threaded pipe 131.

When the handle 162 connected to the rotating rod 161 is rotated, the first bevel gear 164 on the rotating rod 161 drives the second bevel gear 165 engaged therewith to rotate, the third bevel gear 166 coaxially disposed at both ends of the auxiliary rod 163 with respect to the second bevel gear 165 also starts to rotate, the third bevel gear 166 is engaged with the bevel ring 1311 disposed on the threaded rod, and finally the threaded tube 131 starts to rotate, and since the rolling bearing 151 is disposed between the threaded tube 131 and the support plate 15, the threaded tube 131 rotates at a fixed position, and since the rotation stopping rod 1321 is disposed on the screw rod 132 threadedly disposed in the threaded tube 131, the screw rod 132 cannot synchronously rotate with the threaded tube 131, when the threaded tube 131 rotates, the screw rod 132 can only move up and down along the rotation stopping rail 1322, so that the die holder 12 disposed at the top end of the screw rod 132 moves up and down.

As shown in fig. 5, a vertically upward support 14 is arranged on the workbench 1, a cross beam 141 is arranged on the support 14 above the sets of dies 11, the length direction of the cross beam 141 is consistent with the length direction of the workbench 1, an air pump 142 for assisting in demoulding of a test piece is arranged on the cross beam 141, a sliding groove 1411 is arranged on the cross beam 141, the length direction of the sliding groove 1411 is consistent with the length direction of the cross beam 141, a connecting plate 1424 is arranged on the air pump 142, a slider 1425 is arranged at the other end of the connecting plate 1424, the slider 1425 is slidably arranged in the sliding groove 1411, and a ball 1426 is embedded in the surface of the slider 1425; the output of air pump 142 is provided with outlet duct 1421, is provided with supplementary lid 1422 on the outlet duct 1421, and the size of supplementary lid 1422 is unanimous with the size of mould 11, and the edge of supplementary lid 1422 is provided with flange 1423, and flange 1423 laminates with the outer wall of mould 11 mutually.

When the demoulding of the formed test piece is needed, the auxiliary cover 1422 can be covered on the mold 11, so that the flange 1423 is attached to the outer wall of the mold 11, then the air pump 142 is started to add compressed air into the mold 11, the test piece is pushed out of the mold 11 downwards, then the air pump 142 is pushed, the air pump 142 slides along the cross beam 141, the demoulding of the test piece in multiple sets of molds 11 can be realized, and the effect of improving the working efficiency is achieved.

As shown in fig. 5, a workpiece outlet 17 is formed in a side wall of the workbench 1 away from the support rod 16, in this embodiment, the height of the workpiece outlet 17 is sufficient for taking out a test piece from the workbench 1, an elastic layer 171 is arranged on the workbench 1, the length direction of the elastic layer 171 is consistent with the length direction of the workbench 1, the elastic layer 171 is inserted into the workbench 1 through the workpiece outlet 17, two parallel T-shaped slideways 18 are arranged on an inner wall of the workbench 1, the length direction of the T-shaped slideways 18 is consistent with the width direction of the workbench 1, T-shaped sliders 1711 are arranged at side ends of the elastic layer 171, the T-shaped sliders 1711 are slidably arranged in the T-shaped slideways 18, a vertically downward ground support rod 1712 is arranged at one end of the elastic layer 171, which is located outside the workpiece outlet 17, and a roller 1713 is arranged on the ground support rod 1712; in the present embodiment, when the lead screw 132 is lowered until the bottom end of the lead screw 132 contacts the bottom of the worktable 1, the height of the T-shaped slideway 18 from the bottom of the worktable 1 is greater than the height of the top end of the die holder 12 from the bottom of the worktable 1 at that time.

When a test piece needs to be manufactured, firstly, the elastic layer 171 is pulled out of the workbench 1, so that the elastic layer 171 does not influence the lifting of the die holder 12; then, the handle 162 is rotated, and the threaded pipe 131 starts to rotate under the mutual engagement of the first bevel gear 164, the second bevel gear 165, the third bevel gear 166 and the bevel ring 1311, so that the screw 132 sleeved in the threaded pipe 131 moves upwards until the threaded pipe is located at the height of the workpiece outlet 17, and a worker can wipe a release agent on the die holder 12 through the workpiece outlet 17, so that the die holder 12 can be easily separated later; then, the handle 162 is rotated continuously until the boss 121 of the die holder 12 is inserted into the die 11 and tightly attached to the inner wall of the die holder 12, and the sealing ring 122 is also tightly attached to the lower end of the die 11, and then the tightening bolt 168 is tightened, so that the die holder 12 and the die 11 are tightly attached to each other, and the concrete slurry does not overflow from the connection between the die 11 and the die holder 12.

When a formed concrete test piece needs to be demolded, firstly, the abutting bolt 168 is unscrewed, then the handle 162 is rotated in the opposite direction, so that the die holder 12 is separated from the die 11, the demolding agent can enable the die holder 12 to be separated from the test piece more easily, the handle 162 is rotated in the opposite direction continuously until the bottom end of the lead screw 132 is contacted with the bottom wall of the workbench 1, then the elastic layer 171 is pushed into the workbench 1, finally, the auxiliary cover 1422 is covered on the die 11, the air pump 142 is started, the test piece is pushed to the die 11, and the test piece falls on the elastic layer 171 with elasticity, so that the integrity of the test piece can be protected; the slide block 1425 slides in the slide groove 1411, so that the test pieces in the multiple groups of dies 11 can be sequentially demoulded; after all the test pieces are demolded successfully, the elastic layer 171 is pulled outwards from the workbench 1, so that the effect of conveniently and safely taking out the test pieces is achieved; the ground supporting rod 1712 of the elastic layer 171, which is positioned outside the workbench 1, is provided with a roller 1713, so that a worker can easily push and pull the elastic layer 171; after taking off the test piece on elastic layer 171, continue to push elastic layer 171 inside workstation 1 to have the effect of being convenient for accomodate.

The specific implementation process comprises the following steps: when a test piece needs to be manufactured, the elastic layer 171 is pulled out of the workbench 1, then the handle 162 is rotated, the threaded pipe 131 starts to rotate, the lead screw 132 and the die holder 12 move upwards until the boss 121 on the die holder 12 is inserted into the die 11 and tightly attached to the inner wall of the die holder 12, the sealing ring 122 is tightly attached to the lower end of the die 11, and then the abutting bolt 168 is screwed down.

When the formed concrete sample needs to be demolded, firstly, the abutting bolt 168 is unscrewed, then the handle 162 is rotated in the opposite direction, so that the die holder 12 is separated from the die 11, the handle 162 is continuously rotated until the bottom end of the lead screw 132 is contacted with the bottom wall of the workbench 1, then the elastic layer 171 is pushed into the workbench 1, finally, the auxiliary cover 1422 is covered on the die 11, the air pump 142 is started, the sample on the back of the die 11 falls on the elastic layer 171, and the slide block 1425 slides in the sliding groove 1411, so that the demolding work can be sequentially performed on the samples in a plurality of groups of dies 11; after all the test pieces are demolded successfully, the elastic layer 171 is pulled outwards from the workbench 1, and after the test pieces on the elastic layer 171 are taken down, the elastic layer 171 is continuously pushed into the workbench 1.

Claims (9)

1. A concrete test mould convenient for demoulding is characterized by comprising a workbench (1), wherein the workbench (1) is a hollow rectangular table, a plurality of groups of moulds (11) are arranged on the workbench (1), the plurality of groups of moulds (11) are hollow and have openings at two ends, the moulds (11) are communicated with the inside of the workbench (1), a mould base (12) is further arranged in the workbench (1), the mould base (12) is arranged under the moulds (11) through a lifting device (13), the mould base (12) is tightly attached to the bottom end of the moulds (11), a vertically upward support (14) is arranged on the workbench (1), a cross beam (141) is arranged above the plurality of groups of moulds (11) on the support (14), the length direction of the cross beam (141) is consistent with the length direction of the workbench (1), an air pump (142) for demoulding a test piece is arranged on the cross beam (141), the air pump (142) is arranged on the cross beam (141) in a sliding mode through a sliding piece, an air outlet pipe (1421) is arranged at the output end of the air pump (142), an auxiliary cover (1422) is arranged on the air outlet pipe (1421), and the size of the auxiliary cover (1422) is consistent with that of the mold (11).

2. The concrete test mould convenient for demoulding as claimed in claim 1, wherein: the lifting device (13) comprises threaded pipes (131) vertically arranged in a workbench (1) and a lead screw (132) with threads penetrating through the threaded pipes (131), the number of the threaded pipes (131) is the same as that of the dies (11), a support plate (15) used for fixing the threaded pipes (131) is arranged in the workbench (1), a rolling bearing (151) is arranged on the support plate (15), the threaded pipes (131) penetrate through the inner ring of the rolling bearing (151) and are in interference fit with the rolling bearing (151), a synchronous rotating piece used for driving the plurality of threaded pipes (131) to rotate simultaneously is arranged on the workbench (1), the top end of the lead screw (132) is fixedly connected with a die holder (12), a rotation stopping rod (1321) is arranged at the bottom end of the lead screw (132), a rotation stopping rail (1322) used for preventing the lead screw (132) from rotating synchronously along with the threaded pipes (131) is arranged in the workbench (1), the anti-rotation rail (1322) is provided with an anti-rotation groove (1323), the length direction of the anti-rotation groove (1323) is consistent with the length direction of the screw rod (132), and the other end of the anti-rotation rod (1321) is positioned in the anti-rotation groove (1323).

3. The concrete test mould convenient for demoulding as claimed in claim 2, wherein: the synchronous rotation piece comprises a handle (162), a rotation rod (161), an auxiliary rod (163) and a gear set, a support rod (16) is arranged on the outer wall of the workbench (1), the rotation rod (161) is rotatably arranged on the support rod (16), the length direction of the rotation rod (161) is perpendicular to that of the lead screw (132), one end of the rotation rod (161) is connected and provided with the handle (162), the auxiliary rod (163) is rotatably arranged on the side wall of the workbench (1), the gear set comprises a first bevel gear (164), a second bevel gear (165) and a third bevel gear (166), the rotation rod (161) is coaxially provided with the first bevel gear (164), the auxiliary rod (163) is coaxially provided with the second bevel gear (165), the first bevel gear (164) is meshed with the second bevel gear (165), the auxiliary rod (163) is arranged at one end in the workbench (1) and is provided with the third bevel gear (166), a bevel gear ring (1311) is arranged on the side wall of the threaded pipe (131), and the third bevel gear (166) is meshed with the bevel gear ring (1311) arranged on the threaded pipe (131).

4. The concrete test mould convenient for demoulding as claimed in claim 3, wherein: the support rod (16) is provided with a support ring (167) used for the rotating rod (161) to penetrate, the support ring (167) is provided with a fastening bolt (168), and the fastening bolt (168) fastens the rotating rod (161) in the support ring (167).

5. The concrete test mould convenient for demoulding as claimed in claim 1, wherein: the sliding piece comprises a connecting plate (1424) and a sliding block (1425), the connecting plate (1424) is arranged on the air pump (142), the sliding block (1425) is arranged on the connecting plate (1424), a sliding groove (1411) is formed in the cross beam (141), the length direction of the sliding groove (1411) is consistent with the length direction of the cross beam (141), and the sliding block (1425) is arranged in the sliding groove (1411) in a sliding mode.

6. The concrete test mould convenient for demoulding as claimed in claim 5, wherein: and a ball (1426) is embedded on the sliding block (1425).

7. The concrete test mould convenient for demoulding as claimed in claim 1, wherein: the edge of the auxiliary cover (1422) is provided with a flange (1423), and the flange (1423) is attached to the outer wall of the mold (11).

8. The concrete test mould convenient for demoulding as claimed in claim 1, wherein: a workpiece outlet (17) is arranged on the side wall of the workbench (1) deviating from the support rod (16), an elastic layer (171) is arranged on the workbench (1), the length direction of the elastic layer (171) is consistent with the length direction of the workbench (1), the elastic layer (171) is inserted into the workbench (1) through the outlet (17), two parallel T-shaped slideways (18) are arranged on the inner wall of the workbench (1), the length direction of the T-shaped slide way (18) is consistent with the width direction of the workbench (1), a T-shaped sliding block (1711) is arranged at the side end of the elastic layer (171), the T-shaped sliding block (1711) is arranged in a T-shaped slideway (18) in a sliding way, one end of the elastic layer (171) located outside the workpiece outlet (17) is provided with a vertical downward ground supporting rod (1712), and the ground supporting rod (1712) is provided with a roller (1713).

9. The concrete test mould convenient for demoulding as claimed in claim 1, wherein: the die holder is characterized in that a boss (121) is arranged on the die holder (12), the boss (121) is tightly attached to the inner wall of the die (11), and a sealing ring (122) is arranged on the edge of the boss (121).

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