Hydraulic device for measuring demoulding performance of concrete

Abstract

The invention discloses a hydraulic device for measuring demoulding performance of concrete, which relates to the technical field of concrete and comprises a rack, a hydraulic device, a concrete mould and a driving device. The hydraulic device is connected to the rack and connected with a measuring device, and the hydraulic device is used for driving the measuring device to move horizontally; the concrete mold is rotationally installed on the rack, a feeding port is formed in one end of the concrete mold, a detection port is formed in the other end of the concrete mold, the concrete mold is detachably connected with a detection door used for sealing the detection port, the concrete mold has a pouring position and a testing position, and when the concrete mold is located at the pouring position, the feeding port is vertically upward; when the concrete mold is located at the test position, the measuring device can enter the concrete mold from the detection port to push a concrete block; the driving device is used for driving the concrete mold to be switched between the pouring position and the testing position. The demoulding performance of the concrete can be accurately measured and evaluated.

Description

Technical Field

[0001] The invention relates to the technical field of concrete, in particular to a hydraulic device for measuring concrete demoulding performance. Background Art

[0002] At present, my country has formulated the release agent standard JC / T949-2005 for concrete products. The quality evaluation index of release agent mainly considers homogeneity and construction performance. Homogeneity refers to density, viscosity, pH value, solid content or stability. Construction performance refers to drying film formation time, demoulding performance, water resistance, corrosion effect on steel molds, maximum use temperature or other indicators. Concrete release agent refers to a substance applied to the construction formwork before concrete pouring, so that the formwork will not stick to the concrete surface after pouring, easy to remove the formwork, and will not affect the finish of the concrete surface. Its main function is to form a layer of film between the formwork and the concrete surface to separate the two, so it is also called isolation agent. Release performance is an important indicator of release agent construction performance. In the JC / T949-2005 standard for release agents for concrete products, the release performance test method of release agents is given, and the concrete mix ratio, mold, and maintenance method are specified. The standard recommends the use of a larger 100mm×100mm×515mm concrete shrinkage test mold. A 100mm×100mm×400mm test mold can also be used. During the test, a group of test pieces are formed, a total of 3 pieces. After 24 hours, the concrete material adhering to the bottom mold working surface is scraped off with a spatula, collected and weighed on a balance, and the adhesion per unit area is calculated. The test method also specifically considers that the bottom mold of the test mold is uniformly stressed and is less affected by other factors. The release performance is evaluated by the adhesion index on the bottom mold. However, the weight of the three test blocks of concrete fluctuates within the range of 28Kg to 38Kg, and manual demolding is required to remove the concrete. Since the adhesion is affected by factors such as demolding method, tools used, and whether the demolding force is uniform, it is not only time-consuming and labor-intensive. The adhesion measurement method cannot accurately evaluate the differences between release agents. The demoulding resistance of concrete products, the ease of demoulding and the quality of concrete after demoulding are determined by the bonding force between concrete and the release agent. The method of measuring bonding force can more accurately and reliably evaluate the demoulding performance of the release agent. The existing method of measuring bonding force is to use compressed air and hydraulic oil to indirectly measure the force required for demoulding, which is easily interfered by external factors, resulting in inaccurate measurement results. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a hydraulic device for measuring the demoulding performance of concrete, which can accurately measure and evaluate the demoulding performance of concrete.

[0004] According to the first aspect of the present invention, a hydraulic device for measuring the demoulding performance of concrete comprises: a frame, a hydraulic device, a concrete mold, and a driving device. The hydraulic device is connected to the frame, the hydraulic device is connected to a measuring device, and the hydraulic device is used to drive the measuring device to move horizontally; the concrete mold is rotatably mounted on the frame, one end of the concrete mold is provided with a feed port, and the other end is provided with a detection port, the concrete mold is detachably connected with a detection door, and the detection door is used to close the detection port, the concrete mold has a pouring position and a test position, when the concrete mold is in the pouring position, the feed port is vertically upward, when the concrete mold is in the test position, the detection port is aligned with the measuring device, so that the measuring device can enter the concrete mold from the detection port to push the concrete block; the driving device is connected to the frame, and the driving device is used to drive the concrete mold to switch between the pouring position and the test position.

[0005] A hydraulic device for measuring concrete demoulding performance according to an embodiment of the present invention has at least the following beneficial effects: the hydraulic device, the concrete mold, and the driving device cooperate with each other to form a simple and accurate device for measuring concrete demoulding performance, and the pressure required for demoulding is measured by the measuring device. Thus, the concrete demoulding performance can be effectively measured, calculated, and evaluated. It avoids the errors caused by manual demoulding and calculation of the adhesion per unit area in the industry standard, and the problems of accurate control and monitoring of compressed air pressure changes, minimizes the impact of human operation on the concrete demoulding performance, and realizes accurate control of demoulding pressure, which is conducive to improving the accuracy and reliability of measuring and calculating the concrete demoulding performance.

[0006] According to some embodiments of the present invention, the concrete mold is connected to a mounting tube, the detection port is located at the center of the mounting tube, the detection door includes a plug and a baffle that are connected to each other, the size of the plug matches the size of the mounting tube, the plug extends into the mounting tube to close the detection port, the size of the baffle is larger than the size of the plug, and the baffle abuts against one end of the mounting tube away from the concrete mold to position the plug.

[0007] According to some embodiments of the present invention, the side wall of the mounting tube is provided with a first socket, and the plug is provided with a second socket, and a first pin can be inserted into the first socket and the second socket, and the first pin is used to fix the plug in the mounting tube.

[0008] According to some embodiments of the present invention, the measuring device is detachably connected to the hydraulic device.

[0009] According to some embodiments of the present invention, a transfer tube is provided on a side of the baffle away from the mounting tube, and the transfer tube is detachably connected to the hydraulic device.

[0010] According to some embodiments of the present invention, a third hole is provided on the side wall of the adapter tube, and a fourth hole is provided on the telescopic end of the hydraulic device. Second pins can be inserted into the third hole and the fourth hole, and the second pin is used to fix the telescopic end of the hydraulic device in the adapter tube.

[0011] According to some embodiments of the present invention, the driving device includes a driving wheel, a motor, and a driven wheel. The side wall of the concrete mold is symmetrically connected with a first rotating shaft and a second rotating shaft. The first rotating shaft and the second rotating shaft are both rotatably mounted on the frame. The driven wheel is connected to the first rotating shaft, the driving wheel is connected to the motor, and the driving wheel and the driven wheel are connected via a synchronous belt drive.

[0012] According to some embodiments of the present invention, the second rotating shaft is connected to a balance bar, the balance bar is perpendicular to the second rotating shaft, and a weight is arranged at an adjustable position on the balance bar, and the weight is used to adjust the center of gravity of the concrete mold and make the center of gravity of the concrete mold coincide with the rotation axis of the concrete mold.

[0013] According to some embodiments of the present invention, a buffer pad is provided on the frame, and the buffer pad is used to receive the concrete block dropped from the concrete mold.

[0014] According to some embodiments of the present invention, a thermometer is provided on the side wall of the concrete mold.

[0015] A hydraulic device for measuring concrete demoulding performance according to an embodiment of the present invention has at least the following beneficial effects: (1) The hydraulic device, concrete mold, and drive device cooperate with each other to form a simple and accurate device for measuring the demoulding performance of concrete. The pressure required for demoulding is measured by the measuring device. This minimizes the impact of human operation on the demoulding performance of concrete, which is conducive to improving the accuracy and reliability of measuring and calculating the demoulding performance of concrete; (2) The balance bar and the weight reduce the resistance of the drive device when driving the concrete mold to rotate, thus extending the service life of the drive device; (3) The hydraulic device has the function of assisting in the disassembly of the inspection door, which can reduce the labor intensity of the operator.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 A schematic diagram of a concrete mold in a pouring position according to an embodiment of the present invention; Figure 2 A front view of a concrete mold in a pouring position according to an embodiment of the present invention; Figure 3 A schematic diagram of a concrete mold in a test position according to an embodiment of the present invention; Figure 4 A schematic diagram of the connection between a hydraulic device and a detection door according to an embodiment of the present invention; Figure 5 A schematic diagram of a concrete block being pushed out by a measuring device according to an embodiment of the present invention; Figure 6 A schematic diagram of a measuring device according to an embodiment of the present invention; Figure 7 A schematic diagram of a detection door according to an embodiment of the present invention; Figure 8 The figure is a schematic diagram of a hydraulic device according to an embodiment of the present invention.

[0018] Figure Number: Rack 100; Hydraulic device 200, fourth plug hole 210; Measuring device 300; Concrete mold 400, first rotating shaft 401, second rotating shaft 402, feed port 410, detection port 420, mounting cylinder 430, first plug hole 431, first plug pin 432; Detection door 500, plug 510, second plug hole 511, baffle 520, adapter tube 521, third plug hole 522, second latch 523; Driving device 600, driving wheel 610, motor 620, driven wheel 630, synchronous belt 640; Balance bar 700, weight 710; Cushion 800; Thermometer 900. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of the present invention, it should be understood that descriptions involving orientation, such as orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In the description of the present invention, "a plurality" means more than two. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] Reference Figures 1 to 8As shown, a hydraulic device for measuring concrete demoulding performance according to an embodiment of the present invention comprises: a frame 100, a hydraulic device 200, a concrete mold 400, and a driving device 600. The hydraulic device 200 is a hydraulic cylinder driven manually or by a hydraulic oil pump. The hydraulic device 200 is horizontally connected to the frame 100, and the telescopic end of the hydraulic device 200 can move left and right. The hydraulic device 200 is connected to a measuring device 300, and the measuring device 300 can measure the pressure on the measuring device 300 itself. The hydraulic device 200 is used to drive the measuring device 300 to move horizontally; the concrete mold 400 is rotatably installed on the frame 100. The concrete mold 400 is a cylindrical steel pipe with a diameter of 400 mm and a height of 300 mm. A feed port 410 is provided at one end of the concrete mold 400, and a detection port 420 is provided at the other end. The feed port 410 is used for pouring the configured concrete. The concrete mold 400 is detachably connected with a detection door 500. The detection door 500 is used to close the detection port 420. After the configured concrete is added to the concrete mold 400, since the uncured concrete has a certain fluidity, the detection door 500 is needed to close the detection port 420 to prevent the concrete from flowing out of the detection port 420. The concrete mold 400 has a pouring position and a testing position. When the concrete mold 400 is located at the pouring position, the feed port 410 is vertically upward, and the operator can conveniently pour the configured unsolidified concrete into the concrete mold 400. The detection door 500 is installed on the concrete mold 400 to close the detection port 420. After the concrete mold 400 solidifies and cures for 24 hours, the concrete mold 400 can be rotated to the testing position. When the concrete mold 400 is located at the test position, the feed port 410 faces the left end, the detection port 420 faces the right end horizontally, the detection port 420 is aligned with the measuring device 300, the hydraulic device 200 can drive the measuring device 300 to move to the left into the detection port 420, and the measuring device 300 can enter the concrete mold 400 from the detection port 420 to push the concrete block; the measuring device 300 records the pressure when pushing the concrete block, and the maximum pressure recorded by the measuring device 300 is the shear force F caused by the relative slip between the side wall of the concrete mold 400 and the concrete, and the side wall area S of the concrete mold 400 is measured. The bonding shear strength α between the inner wall of the concrete mold 400 and the concrete is = F / S. The driving device 600 is connected to the frame 100, and the driving device 600 is used to drive the concrete mold 400 to switch between the pouring position and the test position. Using the driving device 600 to rotate the concrete mold 400 is conducive to reducing the labor intensity of the operator.

[0024] Reference Figures 2 to 6As shown, it can be understood that the concrete mold 400 is connected to the installation cylinder 430. In order to facilitate the cleaning of residual concrete after the test and maintenance, the installation cylinder 430 is welded to the flange. The diameter of the flange is larger than the diameter of the installation cylinder 430. The flange is connected to the concrete mold 400 by bolts. When maintenance and cleaning are required, the interior of the concrete mold 400 can be cleaned by removing the flange. The detection port 420 of the concrete mold 400 is opened at the center of the installation cylinder 430. The detection door 500 includes a plug 510 and a baffle 520 connected to each other. The plug 510 and the baffle 520 are integrally formed. In order to reduce the weight of the detection door 500, the detection door 500 can be injection molded using materials such as rubber and plastic. The size of the plug 510 matches the size of the installation tube 430. The plug 510 extends into the installation tube 430 to close the detection port 420. After the plug 510 extends into the installation tube 430, the left end of the plug 510 is flush with the inner wall of the concrete mold 400, so that the surface of the right end of the formed concrete block is smooth. It can be foreseen that before pouring concrete, a plastic film is placed inside the concrete mold 400. During demoulding, since the plastic film isolates the contact between the concrete and the flange, the concrete block will only be affected by the shear force between the side wall of the concrete mold 400. The size of the baffle 520 is larger than that of the plug 510, so the baffle 520 and the end of the installation tube 430 away from the concrete mold 400 are against each other to position the plug 510. The function of the baffle 520 is to keep the depth of the plug 510 inserted into the installation tube 430 consistent each time.

[0025] Reference Figure 7 As shown, it can be understood that the side wall of the installation cylinder 430 is provided with a first plug hole 431, and the plug 510 is provided with a second plug hole 511. After the plug 510 is inserted into the installation cylinder 430, the first plug hole 431 and the second plug hole 511 can be aligned, and the first plug 432 can be inserted into the first plug hole 431 and the second plug hole 511. One end of the first plug 432 is provided with a handle for easy insertion and extraction. The first plug 432 is used to fix the plug 510 in the installation cylinder 430. The operator only needs to insert and pull out the plug to quickly complete the disassembly and assembly of the detection door 500, which effectively improves the work efficiency and reduces the labor intensity of the operator.

[0026] Reference Figure 3 and Figure 4As shown, it can be understood that the measuring device 300 is detachably connected to the hydraulic device 200. The measuring device 300 includes a pressure sensor and a sleeve connected to one end of the pressure sensor, the sleeve is sleeved on the telescopic end of the hydraulic device 200, and is fixed to the telescopic end of the hydraulic device 200 by bolts or pins. The accuracy of the measuring device 300 is crucial to the measurement results. Since the working environment of the construction site is usually harsh, the measuring device 300 is prone to failure and needs to be frequently disassembled for inspection and calibration. Therefore, the measuring device 300 is fixed to the hydraulic device 200 by a detachable connection.

[0027] Reference Figure 4 As shown, it can be understood that a transfer tube 521 is provided on the side of the baffle 520 away from the installation tube 430, and the transfer tube 521 is integrally formed with the installation tube 430, and the transfer tube 521 is detachably connected to the hydraulic device 200. When the concrete mold 400 is switched to the test position, the measuring device 300 is removed, and the hydraulic device 200 is connected to the transfer tube 521, and the hydraulic device 200 drives the transfer tube 521 to move rightward, so that the detection door 500 is separated from the installation tube 430. Since the gap between the plug 510 and the installation tube 430 is relatively small, the plug 510 may not be easily separated from the installation tube 430 after a period of time. At this time, the plug 510 is used to assist in pulling out the plug 510, which is conducive to reducing the labor intensity of the operator and improving work efficiency. It is foreseeable that after pulling out the first latch 432, the operator should try to manually pull out the plug 510. If the plug 510 can be pulled out from the installation cylinder 430, there is no need to remove the measuring device 300 on the hydraulic device 200. If the plug 510 cannot be pulled out from the installation cylinder 430, the measuring device 300 is removed, and the hydraulic device 200 is connected to the adapter cylinder 521. The hydraulic device 200 drives the adapter cylinder 521 to move to the right, so that the detection door 500 is separated from the installation cylinder 430.

[0028] Reference Figure 4 and Figure 7 As shown, it can be understood that the side wall of the adapter tube 521 is provided with a third plug hole 522, and the telescopic end of the hydraulic device 200 is provided with a fourth plug hole 210. When the concrete mold 400 is switched to the test position, the adapter tube 521 is aligned with the telescopic end of the hydraulic device 200. After the telescopic end of the hydraulic device 200 is inserted into the adapter tube 521, the third plug hole 522 and the fourth plug hole 210 can be aligned. The second plug pin 523 can be inserted into the third plug hole 522 and the fourth plug hole 210, and the second plug pin 523 is used to fix the telescopic end of the hydraulic device 200 in the adapter tube 521. The specific structure of the first plug pin 432 and the second plug pin 523 is the prior art, so it will not be described in detail. The method of fixing with the plug pin has the function of quick installation and disassembly, which is conducive to improving work efficiency.

[0029] Reference Figures 1 to 8 As shown, it can be understood that the driving device 600 includes a driving wheel 610, a motor 620, and a driven wheel 630. The side wall of the concrete mold 400 is symmetrically connected with a first rotating shaft 401 and a second rotating shaft 402. The first rotating shaft 401 and the second rotating shaft 402 are both rotatably mounted on the frame 100. The driven wheel 630 is connected to the first rotating shaft 401, the driving wheel 610 is connected to the motor 620, and the driving wheel 610 and the driven wheel 630 are connected through a synchronous belt 640. The driving wheel 610, the driven wheel 630, and the synchronous belt 640 are prior art, so they are not described in detail. The motor 620 uses a stepping motor 620 to achieve the effect of accurately controlling the rotation angle of the concrete mold. It is foreseeable that the driving device 600 can also be driven by a cylinder, a hydraulic cylinder, etc. Using the driving device 600 to rotate the concrete mold 400 avoids manual handling and flipping of the concrete mold 400, and reduces the labor intensity of the operator.

[0030] Reference Figures 1 to 8 As shown, it can be understood that the second rotating shaft 402 is connected with a balance bar 700, and the extension direction of the balance bar 700 is parallel to the feed port 410 of the concrete mold 400. The extension direction of the balance bar 700 is perpendicular to the rotation axis of the second rotating shaft 402. A weight 710 is set at an adjustable position on the balance bar 700. The weight 710 is sleeved on the balance bar 700. The side of the weight 710 is threadedly connected with a fixing bolt. When the fixing bolt is loosened, the weight 710 can move along the balance bar 700. When the fixing bolt is tightened, the fixing bolt and the balance bar 700 are against each other, and the weight 710 and the balance bar 700 are fixed together. The weight 710 is used to adjust the center of gravity of the concrete mold 400 and make the center of gravity of the concrete mold 400 coincide with the rotation axis of the concrete mold 400. By adjusting the weight 710, the driving device 600 has less resistance when driving the concrete mold 400 to rotate, thereby extending the service life of the driving device 600.

[0031] Reference Figures 1 to 8 As shown, it can be understood that a buffer pad 800 is provided on the frame 100, and the buffer pad 800 is used to receive the concrete block dropped from the concrete mold 400. The buffer pad 800 is made of polyethylene foam board or sponge material. When the concrete block is taken out of the concrete mold 400, the concrete block may fall to the ground and generate splashing fragments, so the buffer pad 800 is provided to receive it to prevent the operator from being injured.

[0032] Reference Figures 1 to 5 As shown, it can be understood that a thermometer 900 is provided on the side wall of the concrete mold 400. Concrete has certain requirements on temperature during solidification, and the thermometer 900 can intuitively measure the current temperature of the concrete mold 400.

[0033] Usage steps: The motor 620 rotates to drive the synchronous belt 640 to move, and the synchronous belt 640 drives the concrete mold 400 to rotate to the pouring position through the first rotating shaft 401, and the plug 510 is inserted into the installation cylinder 430, so that the detection port 420 is closed by the plug 510. Insert the first latch 432 between the first plug hole 431 and the second plug hole 511; lay a layer of plastic film on the bottom of the concrete mold 400 at this time, then apply a release agent on the inner wall of the concrete mold 400, and then fill the concrete mold 400 with concrete that meets the standard requirements, and place it under standard curing conditions for at least 24 hours; after the curing is completed, the motor 620 rotates to drive the synchronous belt 640 to move, and the synchronous belt 640 drives the concrete mold 400 to rotate to the test position through the first rotating shaft 401, pull out the first latch 432, disassemble the detection door 500, and the hydraulic device 200 drives the measuring device 300 to move to the detection port 420, the measuring device 300 contacts the concrete block and pushes the concrete block out of the concrete mold 400, and the maximum pressure received by the measuring device 300 is recorded.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A hydraulic device for measuring concrete demoulding performance, characterized in that: include: Rack(100); A hydraulic device (200) connected to the frame (100), the hydraulic device (200) being connected to a measuring device (300), and the hydraulic device (200) being used to drive the measuring device (300) to move horizontally; A concrete mold (400) is rotatably mounted on the frame (100); one end of the concrete mold (400) is provided with a feed port (410), and the other end is provided with a detection port (420); the concrete mold (400) is detachably connected to a detection door (500); the detection door (500) is used to close the detection port (420); the concrete mold (400) has a pouring position and a testing position; when the concrete mold (400) is located at the pouring position, the feed port (410) is vertically upward; when the concrete mold (400) is located at the testing position, the detection port (420) is aligned with the measuring device (300), so that the measuring device (300) can enter the concrete mold (400) from the detection port (420) to push the concrete block; A driving device (600) is connected to the frame (100), and the driving device (600) is used to drive the concrete mold (400) to switch between a pouring position and a testing position.

2. The device for measuring the demoulding performance of concrete according to claim 1 is characterized in that: The concrete mould (400) is connected to a mounting tube (430), the detection port (420) is located at the centre of the mounting tube (430), the detection door (500) comprises a plug (510) and a baffle (520) which are connected to each other, the size of the plug (510) matches the size of the mounting tube (430), the plug (510) extends into the mounting tube (430) to close the detection port (420), the size of the baffle (520) is larger than the size of the plug (510), and the baffle (520) abuts against an end of the mounting tube (430) away from the concrete mould (400) to position the plug (510).

3. The device for measuring the demoulding performance of concrete according to claim 2 is characterized in that: The side wall of the installation tube (430) is provided with a first plug hole (431), and the plug (510) is provided with a second plug hole (511). A first plug pin (432) can be inserted into the first plug hole (431) and the second plug hole (511), and the first plug pin (432) is used to fix the plug (510) in the installation tube (430).

4. The hydraulic device for measuring concrete demoulding performance according to claim 3 is characterized in that: The measuring device (300) is detachably connected to the hydraulic device (200).

5. The hydraulic device for measuring concrete demoulding performance according to claim 4 is characterized in that: A transfer cylinder (521) is provided on a side of the baffle (520) away from the mounting cylinder (430), and the transfer cylinder (521) is detachably connected to the hydraulic device (200).

6. The hydraulic device for measuring concrete demoulding performance according to claim 5 is characterized in that: A third plug hole (522) is provided on the side wall of the adapter tube (521), and a fourth plug hole (210) is provided on the telescopic end of the hydraulic device (200). A second plug pin (523) can be inserted into the third plug hole (522) and the fourth plug hole (210), and the second plug pin (523) is used to fix the telescopic end of the hydraulic device (200) in the adapter tube (521).

7. The hydraulic device for measuring concrete demoulding performance according to claim 1 is characterized in that: The driving device (600) comprises a driving wheel (610), a motor (620), and a driven wheel (630); a first rotating shaft (401) and a second rotating shaft (402) are symmetrically connected to the side wall of the concrete mold (400); the first rotating shaft (401) and the second rotating shaft (402) are both rotatably mounted on the frame (100); the driven wheel (630) is connected to the first rotating shaft (401); the driving wheel (610) is connected to the motor (620); and the driving wheel (610) and the driven wheel (630) are connected to each other via a synchronous belt (640).

8. The hydraulic device for measuring concrete demoulding performance according to claim 7 is characterized in that: The second rotating shaft (402) is connected to a balancing rod (700), the balancing rod (700) being perpendicular to the second rotating shaft (402), and a weight (710) is arranged at an adjustable position on the balancing rod (700), the weight (710) being used to adjust the center of gravity of the concrete mold (400) and to make the center of gravity of the concrete mold (400) coincide with the rotation axis of the concrete mold (400).

9. The hydraulic device for measuring concrete demoulding performance according to claim 1, characterized in that: A buffer pad (800) is provided on the frame (100), and the buffer pad (800) is used to receive the concrete block dropped from the concrete mold (400).

10. The hydraulic device for measuring concrete demoulding performance according to claim 1, characterized in that: A thermometer (900) is provided on the side wall of the concrete mold (400).

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