CN213946847U

CN213946847U - Concrete test piece making devices

Info

Publication number: CN213946847U
Application number: CN202022732368.0U
Authority: CN
Inventors: 许海波
Original assignee: Suining Mingqiang Commercial Concrete Co ltd
Current assignee: Suining Mingqiang Commercial Concrete Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-13
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a concrete test piece making devices, a serial communication port, including mounting substrate (1), controller (10), vertical slide bar (6), flat pressing mechanism, examination die cavity (8), die cavity bearing platform, lifting hydraulic cylinder (4) to and vibration mechanism. The utility model discloses a completion drawing of patterns that lift pneumatic cylinder can be fine, during the use, lift the pneumatic cylinder and upwards lift test die cavity, and the clamp plate of flat pressing mechanism presses the fashioned test piece firmly, test die cavity alright with test piece separation, the effectual integrality of having ensured the test piece, fine solution when current mechanical test piece preparation, need overturn test die cavity and beat the problem that easily causes the test piece to damage. Through being provided with vibration mechanism, this vibration mechanism is through installing the vibrating pump on slide mechanism, and the vibrating spear that uses in contacting with the concrete can be stable at the uniform velocity, different positions will vibrate the concrete to the examination intracavity to the effectual density of having ensured the test piece is more even, has ensured the accuracy that detects.

Description

Concrete test piece making devices

Technical Field

The utility model relates to a concrete test technical field specifically indicates a concrete test piece making devices.

Background

The production proportion of the concrete needs to be according to the national concrete production proportion standard, and tests such as concrete impermeability and frost resistance critical strength need to be carried out in the production. The test is carried out at the time of mixing 100 disks and not more than 100m³The sampling of the concrete with the same mixing ratio is not less than once, when the concrete with the same mixing ratio mixed by each work shift is less than 100 plates, the sampling is not less than once, and the sampled concrete is made into a standard test block for testing. The current test block is manufactured by tamping a concrete test block by a mechanical vibration method, namely, filling a test mould with concrete mixture in one step, preliminarily tamping the concrete mixture by using a vibrating rod to enable the concrete mixture to be higher than the test mould, placing the concrete mixture on a vibrating table, and making a manufacturer hold the test mould by one hand and press the upper surface of the concrete by using an iron trowel by the other hand, and continuously controlling the trowelling; after the test block is formed, the manufacturer turns over the test mold and flicks the bottom of the test mold to separate the test block from the test mold.

However, the concrete test block tamped by the mechanical vibration method has unstable control of the pressure applied to the concrete test block due to manual pressure application, and the manufactured test block has the problems of insufficient compactness and easiness in damage due to manual overturning, beating and demoulding, so that the test accuracy of the test block is poor. Therefore, it is urgent to provide a concrete test block manufacturing apparatus capable of effectively preventing the damage of the test block while ensuring the compactness of the test block.

The demand cannot be satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem, provide a closely knit degree that both can ensure the test piece, can effectually prevent the damaged concrete test piece making devices of test piece again.

The purpose of the utility model is realized through the following technical scheme: a concrete test block manufacturing device comprises a mounting substrate, a controller, two vertical slide bars symmetrically arranged on the mounting substrate, a flat pressing mechanism fixed at the tops of the two vertical slide bars, a test mold cavity arranged between the two vertical slide bars and respectively movably connected with the two vertical slide bars, a mold cavity bearing table arranged on the mounting substrate and movably connected with the test mold cavity, a lifting hydraulic cylinder arranged on the side wall of the mold cavity bearing table and used for driving the test mold cavity to move up and down, and a vibration mechanism movably arranged on one of the vertical slide bars and capable of freely rotating and sliding up and down along the vertical slide bar; and the controller is respectively connected with the lifting hydraulic cylinder, the flat pressing mechanism and the vibrating mechanism.

The test die cavity is a cavity with an upper opening and a lower opening.

Furthermore, the die cavity bearing table comprises a support frame, a bedplate fixed at the upper end of the support frame and a supporting plate movably arranged on the bedplate and used as a bottom plate of the test die cavity; the support frame is fixed on the mounting substrate; the lower end of the supporting plate is embedded into the bedplate, the upper end of the supporting plate is embedded into the lower cavity wall of the test mold cavity, a groove cavity matched with the lower end of the supporting plate is arranged on the bedplate, and the lower end of the supporting plate is embedded into the groove cavity; the lifting hydraulic cylinder is installed on the side wall of the support frame.

The two opposite outer side walls of the test die cavity are respectively provided with a clamping arm, one end of each clamping arm is fixed on the outer side wall of the test die cavity, and the other end of each clamping arm is sleeved on the vertical sliding rod and can move up and down along the vertical sliding rod; the number of the lifting hydraulic cylinders is the same as that of the clamping arms, and the movable ends of the telescopic rods of the lifting hydraulic cylinders are connected with the clamping arms.

The flat pressing mechanism comprises a pressing block and a compression hydraulic cylinder which is fixed at the tops of the two vertical sliding rods through a mounting plate; the telescopic rod of the compression hydraulic cylinder penetrates through the mounting plate from top to bottom, and the pressing block is positioned below the mounting plate and fixed on the movable end of the telescopic rod of the compression hydraulic cylinder; the controller is connected with the compression hydraulic cylinder.

Still further, the vibration mechanism comprises a sliding mechanism, a vibration pump arranged on the sliding mechanism, and a vibrating rod connected with a vibrating arm of the vibration pump; the controller is connected with the vibration pump.

The sliding mechanism comprises a sliding seat, a sliding arm and a sliding block, wherein the sliding arm is fixedly integrated with the sliding seat, and the sliding block is sleeved on the sliding arm; the sliding seat is sleeved on one of the vertical sliding rods and can freely rotate and slide up and down along the vertical sliding rod; the sliding seat is also provided with a locking bolt for fixing the sliding seat, and the locking bolt penetrates through the sliding seat and then is in contact with the vertical sliding rod; the vibration pump is vertically fixed on the sliding block.

Furthermore, the concrete test block manufacturing device also comprises a vibrator arranged on the lower plate surface of the bedplate; the controller is connected with the vibrator.

And grooves convenient for moving the supporting plate are respectively arranged on the two opposite side walls of the supporting plate.

The sliding arm is also provided with a limiting block for preventing the sliding block from falling off; the slider is also provided with a handle which is convenient for the slider to move.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses a flat pressing mechanism can be fine the unstable problem of pressure that the artifical surface of solution was exerted pressure, during the use, flat pressing mechanism's compression pneumatic cylinder can replace the people stable to exert pressure to the concrete piece, makes the shaping effect of test piece better.

(2) The utility model discloses a completion drawing of patterns that lift pneumatic cylinder can be fine, during the use, lift the pneumatic cylinder and upwards lift test die cavity, and the clamp plate of flat pressing mechanism presses the fashioned test piece firmly, test die cavity alright with test piece separation, the effectual integrality of having ensured the test piece, fine solution when current mechanical test piece preparation, need overturn test die cavity and beat the problem that easily causes the test piece to damage.

(3) The utility model discloses be provided with vibration mechanism, this vibration mechanism is through installing the vibrating pump on slide mechanism, uses in can stablize at the uniform velocity with the vibrting spear that concrete contacted, different positions will vibrate the concrete to the examination mould intracavity to the effectual density of having ensured the test block is more even, has ensured the accuracy that detects.

(4) The utility model can effectively reduce the clearance between concrete components and improve the density of the test block through the vibrator arranged under the bedplate; meanwhile, air bubbles on the contact surface of the wall of the coagulation test block and the test mold cavity can be effectively eliminated, the phenomena of honeycombing and pitting can be avoided, and the smoothness of the wall surface of the test block is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the bedplate of the present invention.

Fig. 3 is a schematic structural diagram of the test cavity of the present invention.

The reference numbers in the above figures refer to: the device comprises a mounting base plate 1, a vibrator 2, a support frame 3, a lifting hydraulic cylinder 4, a clamping arm 5, a vertical sliding rod 6, a pressing block 7, a test die cavity 8, a sliding seat 9, a controller 10, a compression hydraulic cylinder 11, a locking bolt 12, a vibration pump 13, a handle 14, a limiting block 15, a sliding arm 16, a sliding block 17, a vibrating rod 18, a supporting plate 19, a table plate 20, a groove 21, a mounting plate 22 and a groove cavity 23.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example one

As shown in fig. 1 and 2, the utility model discloses a concrete test piece making devices, including mounting substrate 1, controller 10, vertical slide bar 6, flat pressing mechanism, examination die cavity 8, die cavity take-up platform, lift pneumatic cylinder 4 to and vibration mechanism. In this embodiment, the controller 10 is preferably implemented by using an existing mechanical control switch capable of outputting multiple paths of control voltages, and therefore, the structure of the controller 10 is not described in detail in this specification. The controller 10 is connected to the hydraulic lifting cylinder 4, the pressing mechanism and the vibrating mechanism, and controls the working states of the hydraulic lifting cylinder 4, the pressing mechanism and the vibrating mechanism.

In a specific implementation, the mounting substrate 1 may be fixed to the ground or a pre-set sliding plate for easy movement, which is adjusted according to the actual situation. For the stability of use, the quantity of vertical slide bar 6 is set for two, and two vertical slide bars 6 symmetry sets up on mounting substrate 1, can adopt the screw or still connect the mode to fix during the installation according to actual conditions. The flat pressing mechanism is fixed on the top of the two vertical sliding rods 6. The test mold cavity 8 is arranged between the two vertical slide bars 6 and is respectively movably connected with the two vertical slide bars 6, the test mold cavity 8 is shown in figure 3, and the test mold cavity 8 is a cavity with an upper opening and a lower opening. The cavity receiving table is arranged on the mounting substrate 1 and movably connected with the test cavity 8. The lifting hydraulic cylinder 4 is arranged on the side wall of the die cavity bearing table and is used for driving the test die cavity 8 to move up and down. The vibration mechanism is movably arranged on one of the vertical slide bars 6 and can freely rotate and slide up and down along the vertical slide bar 6.

Further, as shown in fig. 1, the mold cavity receiving station includes a support frame 3, a platen 20 fixed to an upper end of the support frame 3, and a pallet 19 movably disposed on the platen 20 as a bottom plate of the mold cavity 8. Specifically, the bracket 3 is fixed to the mounting substrate 1 by screws. The lower end of the supporting plate 19 is embedded into the bedplate 20, the upper end is embedded into the lower cavity wall of the test mold cavity 8, and the supporting plate 19 is used as a bearing body of the test block. For the convenience of installation, as shown in fig. 2, the bedplate 20 is provided with a groove cavity 23 matched with the lower end of the supporting plate 19, and the lower end of the supporting plate 19 is embedded into the groove cavity 23. Meanwhile, as shown in fig. 3, a chuck for mounting the carrier 19 is provided in the lower cavity wall of the test cavity 8. The lifting hydraulic cylinder 4 is fixed on the side wall of the support frame 3 through screws. For convenience of moving and mounting the supporting plate 19, grooves 21 for facilitating movement of the supporting plate 19 are respectively provided on opposite sidewalls of the supporting plate 19.

In order to better install the test sample cavity 8 on the vertical slide bar 6 and realize that the test sample cavity 8 can move up and down along the vertical slide bar 6, the two opposite outer side walls of the test sample cavity 8 are respectively provided with a clamping arm 5. One end of the clamping arm 5 is fixed on the outer side wall of the test mold cavity 8 through a screw, and the other end of the clamping arm is sleeved on the vertical sliding rod 6 and can move up and down along the vertical sliding rod 6. The number of the lifting hydraulic cylinders 4 is the same as that of the clamping arms 5, and the movable ends of the telescopic rods of the lifting hydraulic cylinders 4 are connected with the clamping arms 5, namely the movable ends of the telescopic rods of the lifting hydraulic cylinders 4 are fixed on the lower arm surfaces of the clamping arms 5 through screws.

Still further, the flat pressing mechanism comprises a pressing block 7 and a compression hydraulic cylinder 11 which is fixed on the tops of the two vertical sliding rods 6 through a mounting plate 22. Specifically, the compression hydraulic cylinder 11 is fixed on the mounting plate 22 by screws, and the telescopic rod of the compression hydraulic cylinder 11 penetrates through the mounting plate 22 from top to bottom. The pressing block 7 is positioned below the mounting plate 22 and is fixed on the movable end of the telescopic rod of the compression hydraulic cylinder 11 in a screw fixing mode or a welding fixing mode. The controller 10 is connected to a compression cylinder 11.

Further, the vibration mechanism includes a slide mechanism, a vibration pump 13 provided on the slide mechanism, and a vibration rod 18 connected to a vibration arm of the vibration pump 13. The controller 10 is connected to a vibration pump 13.

The sliding mechanism comprises a sliding seat 9, a sliding arm 16 which is fixedly integrated with the sliding seat 9, and a sliding block 17 which is sleeved on the sliding arm 16. Specifically, the sliding seat 9 is sleeved on one of the vertical sliding rods 6 and can freely rotate and slide up and down along the vertical sliding rod 6. The sliding seat 9 is also provided with a locking bolt 12 for fixing the sliding seat 9, and the locking bolt 12 penetrates through the sliding seat 9 and then is in contact with the vertical sliding rod 6. The vibration pump 13 is vertically fixed to the slider 17 through a mounting block. In order to prevent the slider 17 from falling off, a limiting block 15 for preventing the slider 17 from falling off is further arranged on the slide arm 16. In order to facilitate the movement of the slider 17, even for the movement of the vibration pump 13, a handle 14 for facilitating the movement of the slider 17 is further provided on the slider 17.

Example 2

The present embodiment is different from embodiment 1 only in that a vibrator 2 is provided on the lower plate surface of a table plate 20, and the controller 10 is connected to the vibrator 2, as shown in fig. 1. The vibrator 2 can effectively reduce the gap between concrete compositions and improve the density of a test block; meanwhile, air bubbles on the contact surface of the wall of the coagulation test block and the test mold cavity can be effectively eliminated, the phenomena of honeycombing and pitting can be avoided, and the smoothness of the wall surface of the test block is improved.

When the test bed is used, the lifting hydraulic cylinder 4 is started through the controller 10, the lifting hydraulic cylinder 4 is made to lift the test bed cavity 8, and then the supporting plate 19 is placed into the groove cavity of the bedplate 20. The lifting hydraulic cylinder 4 is started through the controller 10, the lifting hydraulic cylinder 4 is made to descend the trial mold cavity 8, the upper end of the supporting plate 19 is clamped into the trial mold cavity 8, and the lower opening of the trial mold cavity 8 is sealed. At this time, the test cavity 8 is filled with concrete, the locking bolt 12 is loosened, the slide base 9 is rotated while the slide base 9 is moved downward, the vibrating rod is inserted into the concrete in the test cavity 8, and the vibrating pump 13 is started by the controller 10 to vibrate the concrete in the test cavity 8 by the vibrating rod 18. When vibrating the concrete in the test mold cavity 8, the slider 17 is moved through the handle, so that the concrete in the test mold cavity 8 is vibrated from outside to inside at different positions, and the vibration of the concrete is more uniform. After the concrete has vibrated more uniformly, the vibrating rod 18 is moved out of the test mold cavity 8, and the vibrator 2 and the compression hydraulic cylinder 11 are simultaneously started by the controller 10.

At this time, the vibrator 2 vibrates the concrete in the test cavity 8, and the gap between the concrete components can be effectively reduced. Meanwhile, the telescopic rod of the compression hydraulic cylinder 11 drives the pressing block 7 to move downwards to be in contact with the upper surface of the concrete block in the test mold cavity 8, and downward pressure is applied to the pressing block, so that the density of the concrete block in the test mold cavity 8 is higher under the extrusion of the pressing block 7 and the vibration of the vibrator 2, and the detection accuracy of the concrete test block is ensured. After the concrete test block is manufactured, the vibrator 2 is closed, the lifting hydraulic cylinder 4 is started through the controller 10, the telescopic rod of the lifting hydraulic cylinder 4 is moved to lift the test mold cavity 8, the test mold cavity 8 is separated from the supporting plate 19, the concrete test block in the test mold cavity 8 is kept in a static state under the action of the pressing block 7 and is left on the supporting plate 19, after the lifted height of the test mold cavity 8 is higher than that of the concrete test block, the supporting plate 19 and the concrete test block can be moved out of the groove cavity 23 of the bedplate 20 through the groove 21 in the supporting plate 19, and the manufacturing and demolding of the concrete test block are completed.

As described above, the utility model discloses alright fine realization.

Claims

1. The concrete test block manufacturing device is characterized by comprising a mounting substrate (1), a controller (10), two vertical slide rods (6) symmetrically arranged on the mounting substrate (1), a flat pressing mechanism fixed at the tops of the two vertical slide rods (6), a test mold cavity (8) arranged between the two vertical slide rods (6) and respectively movably connected with the two vertical slide rods (6), a mold cavity bearing table arranged on the mounting substrate (1) and movably connected with the test mold cavity (8), a lifting hydraulic cylinder (4) arranged on the side wall of the mold cavity bearing table and used for driving the test mold cavity (8) to move up and down, and a vibrating mechanism movably arranged on one of the vertical slide rods (6) and capable of freely rotating and sliding up and down along the vertical slide rod (6); the controller (10) is respectively connected with the lifting hydraulic cylinder (4), the flat pressing mechanism and the vibrating mechanism; the test die cavity (8) is a cavity with an upper opening and a lower opening.

2. The concrete test block manufacturing device according to claim 1, wherein the mold cavity receiving table comprises a support frame (3), a bedplate (20) fixed at the upper end of the support frame (3), and a supporting plate (19) movably arranged on the bedplate (20) and used as a bottom plate of the test mold cavity (8); the support frame (3) is fixed on the mounting substrate (1); the lower end of the supporting plate (19) is embedded into the bedplate (20), the upper end of the supporting plate is embedded into the lower cavity wall of the test mold cavity (8), a groove cavity (23) matched with the lower end of the supporting plate (19) is formed in the bedplate (20), and the lower end of the supporting plate (19) is embedded into the groove cavity (23); the lifting hydraulic cylinder (4) is arranged on the side wall of the support frame (3).

3. The concrete test block manufacturing device according to claim 2, wherein the two opposite outer side walls of the test cavity (8) are respectively provided with a clamping arm (5), one end of each clamping arm (5) is fixed on the outer side wall of the test cavity (8), and the other end of each clamping arm is sleeved on the vertical slide rod (6) and can move up and down along the vertical slide rod (6); the number of the lifting hydraulic cylinders (4) is the same as that of the clamping arms (5), and the movable ends of the telescopic rods of the lifting hydraulic cylinders (4) are connected with the clamping arms (5).

4. The concrete test block manufacturing device according to claim 3, wherein the flat pressing mechanism comprises a pressing block (7) and a compression hydraulic cylinder (11) fixed on the tops of the two vertical sliding rods (6) through a mounting plate (22); the telescopic rod of the compression hydraulic cylinder (11) penetrates through the mounting plate (22) from top to bottom, and the pressing block (7) is positioned below the mounting plate (22) and fixed on the movable end of the telescopic rod of the compression hydraulic cylinder (11); the controller (10) is connected with the compression hydraulic cylinder (11).

5. The concrete test block manufacturing device according to claim 4, wherein the vibration mechanism comprises a sliding mechanism, a vibration pump (13) arranged on the sliding mechanism, and a vibration rod (18) connected with a vibration arm of the vibration pump (13); the controller (10) is connected with the vibration pump (13).

6. The concrete test block manufacturing device according to claim 5, wherein the sliding mechanism comprises a sliding seat (9), a sliding arm (16) which is fixed with the sliding seat (9) into a whole, and a sliding block (17) which is sleeved on the sliding arm (16); the sliding seat (9) is sleeved on one of the vertical sliding rods (6) and can freely rotate and slide up and down along the vertical sliding rod (6); the sliding seat (9) is also provided with a locking bolt (12) for fixing the sliding seat (9), and the locking bolt (12) penetrates through the sliding seat (9) and then is contacted with the vertical sliding rod (6); the vibration pump (13) is vertically fixed on the sliding block (17).

7. The concrete test block producing apparatus according to claim 6, further comprising a vibrator (2) provided on a lower plate surface of the deck (20); the controller (10) is connected with the vibrator (2).

8. The concrete test block manufacturing device according to claim 7, wherein the supporting plate (19) is provided with grooves (21) on two opposite side walls for moving the supporting plate (19).

9. The concrete test block manufacturing device according to claim 8, wherein the slide arm (16) is further provided with a limiting block (15) for preventing the slide block (17) from falling off; the sliding block (17) is also provided with a handle (14) which is convenient for the sliding block (17) to move.