A stripper tool for anti-infiltration test block steel mold

Abstract

The utility model discloses a kind of demolding tools for anti-permeation test block steel mould, including upper pressure rod, lower fixed rod, bolt, upper pressure head and fixed mould device, upper pressure rod and lower fixed rod are hinged by bolt and present the lever structure of "X" shape, lower fixed rod left end is located above and is hinged with upper pressure head, upper pressure rod left end is located below and is equipped with the fixed mould device for installing mould, hollow structure is equipped on fixed mould device, the right end of upper pressure rod and lower fixed rod can be apart or close motion around bolt to drive upper pressure head towards installation mould installed on fixed mould device motion or away;Upper pressure rod and lower fixed rod left and right two ends are respectively equipped with a segment on same side each other close and bending extension rod, upper pressure rod and lower fixed rod are connected fixed mould device and upper pressure head by left side extension rod corresponding. The utility model solves the problem of test block demolding difficulty, can save test piece demolding time, simple structure, convenient to use, flexible application.

Description

Technical Field

[0001] This utility model relates to the technical field of concrete specimen demolding devices, specifically to a demolding tool for steel molds of impermeable test blocks. Background Technology

[0002] Concrete test blocks serve as the acceptance criteria for evaluating the quality and performance of concrete building materials, and their importance to project quality and safety is undeniable. Therefore, the preparation, demolding, and curing of test blocks are particularly crucial. However, because the steel molds for test blocks lack elastic deformation characteristics, the thermal expansion of the concrete during solidification leads to difficulties in demolding; or uneven application of the release agent before test block preparation can also cause demolding difficulties. When these problems arise, using the traditional method of tapping the mold for demolding is not only time-consuming and labor-intensive, but may also result in damage such as chipped edges or corners, rendering the test blocks unusable as specimens.

[0003] As a common type of test block mold, the anti-permeability test block steel mold is characterized by consisting of a barrel body and a base. The barrel body is cylindrical or frustum-shaped, and the base and barrel body are connected and fixed by bolts on both sides of the edge. When the test block is demolded, the fixing bolts can be removed, thereby separating the base plate and the barrel body, at which point the upper and lower parts of the barrel body are interconnected.

[0004] However, the above-mentioned problems still exist in the demolding of the anti-permeability test block steel mold. Based on the structural characteristics of this type of anti-permeability test block steel mold, there is an urgent need for a demolding tool for the anti-permeability test block steel mold to solve the problem of inconvenient demolding of the anti-permeability test block steel mold. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing a demolding tool for steel molds used in anti-permeability test blocks, thereby solving the problem of inconvenient demolding of steel molds used in anti-permeability test blocks.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A demolding tool for a steel mold of a permeability-resistant test block includes an upper pressure rod, a lower fixing rod, a pin, an upper pressure head, and a mold fixing device. The upper pressure rod and the lower fixing rod are hinged to each other by the pin in an "X"-shaped lever structure. The left end of the lower fixing rod is located at the top and is hinged to a naturally hanging upper pressure head. The left end of the upper pressure rod is located at the bottom and is equipped with a mold fixing device for installing the mold. The mold fixing device has a hollow structure for the test piece to be removed from the mold. The right ends of the upper pressure rod and the lower fixing rod can move apart or closer to each other around the pin to drive the upper pressure head to move toward or away from the installation mold installed on the mold fixing device. The left and right ends of the upper pressure rod and the lower fixing rod are respectively provided with an extension rod that is close to each other on the same side and bent. The upper pressure rod and the lower fixing rod are connected to the mold fixing device and the upper pressure head through the extension rod on the left side.

[0008] To optimize the above technical solution, the specific measures also include:

[0009] Furthermore, the fixed mold device includes a mounting plate, a demolding base, a barrel body fixator, and a barrel body fixing rod. One end of the mounting plate is connected to the extension rod on the left side of the upper pressure rod, and the other end of the mounting plate is equipped with a hollow demolding base. The barrel body fixator is mounted on the mounting plate via the barrel body fixing rod and is located above the demolding base. The barrel body fixator is used to clamp the mold, and the demolding base is used to support the bottom of the mold. The hollow part allows the test block in the mold to pass through and detach.

[0010] Furthermore, the barrel body fixing device includes two semi-circular fixing rings, a fixing pin, and a fixing ring fastening device. The fixing ring fastening device includes a fastening bolt and two fastening nuts. One end of the two semi-circular fixing rings is hinged to the end of the barrel body fixing rod through the fixing pin. The two fixing rings can open or close around the fixing pin to form a circular structure. The other end of each of the two fixing rings is provided with an extension block. The two extension blocks are respectively provided with through holes. The fastening bolt is used to pass through the two through holes. The two fastening nuts are respectively threaded onto the fastening bolt and located on the side of the two extension blocks that are far apart.

[0011] Furthermore, each of the two fixing rings is provided with a symmetrical barrel clamp adjustment device. The barrel clamp adjustment device includes an arc-shaped barrel clamp, a barrel clamp bolt, and a barrel clamp nut. The fixing ring is provided with a through mounting hole facing the center. A barrel clamp nut is fixedly installed on the outer side of the mounting hole. A barrel clamp bolt passing through the mounting hole is threaded into the barrel clamp nut. A barrel clamp is hinged to one end of the barrel clamp bolt located on the inner side of the fixing ring. The barrel clamp is used to fit against the outer side of the mold.

[0012] Furthermore, the demolding base includes a fixed bottom ring and a replacement bottom ring. The fixed bottom ring is mounted on the mounting plate. The inner side of the fixed bottom ring has a cylindrical mounting groove that runs vertically through it. The bottom of the inner side of the mounting groove also has a mounting ring that protrudes inward. The lower end of the replacement bottom ring can be placed on the mounting ring in the mounting groove. The center of the replacement bottom ring is set as a hollow structure that allows the test block in the mold to pass through and detach.

[0013] Furthermore, the end of the extension rod on the right side of the upper pressure rod is provided with an anti-slip sleeve.

[0014] Furthermore, the end of the extension rod on the right side of the lower fixing rod is provided with an anti-slip pedal.

[0015] Furthermore, the upper pressure head includes a weight and a rubber protective sleeve. The upper end of the weight is hinged to the end of the extension rod on the left side of the lower fixing rod, and the lower end and outer side of the weight are wrapped with a rubber protective sleeve.

[0016] Furthermore, the weight is cylindrical, and its outer diameter is smaller than the inner diameter of the mold.

[0017] Furthermore, the upper end of the upper pressure head is hinged to the end of the extension rod on the left side of the lower fixed rod via a hinge seat.

[0018] The beneficial effects of this utility model are:

[0019] This invention, through the structural arrangement of an upper pressure rod and a lower fixing rod, in conjunction with an upper pressure head and a fixed mold device, allows the upper pressure head to correspond vertically with the fixed mold device and serve as the pressure application end. The right ends of the upper pressure rod and the lower fixing rod are used as the working ends. In use, the mold is mounted on the fixed mold device, and the right ends of the upper pressure rod and the lower fixing rod are driven to move away from each other around the pin, thereby driving the upper pressure head towards the mold and striking the specimen within it. After the specimen detaches from the mold, it separates from the hollow structure of the fixed mold device, facilitating the separation of the specimen from the mold. The extension rod structure reduces the movement space required by the upper pressure rod and the lower fixing rod, making it easier to apply force between the upper pressure head and the fixed mold device, increasing the convenience and stability of demolding.

[0020] This invention significantly reduces the time required for demolding specimens, effectively solving the problem of difficult demolding of test blocks. It effectively ensures quality, features a simple structure, is easy to use, and is flexible in application. It is applicable to most steel molds for impermeable concrete test blocks on the market and can be widely used in the demolding process of steel molds for impermeable concrete test blocks. In application, for impermeable concrete test blocks that are difficult to demold using steel molds, compared to traditional vibration demolding, the demolding speed is significantly reduced, saving time and manpower, and avoiding the risk of structural damage caused by vibration, effectively protecting the integrity of the concrete test block. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a demolding tool for a steel mold of an impermeable test block proposed in this utility model;

[0022] Figure 2 This is a schematic diagram illustrating the use of a demolding tool for a steel mold of an impermeable test block proposed in this utility model.

[0023] Figure 3 This is a schematic diagram of the fixing mold device for a demolding tool for a steel mold of an impermeable test block proposed in this utility model.

[0024] Figure 4 This is a schematic diagram of the fixing bottom ring of a demolding tool for a steel mold for impermeable test blocks proposed in this utility model;

[0025] Figure 5 This is a schematic diagram of the upper pressure rod of a demolding tool for a steel mold of an impermeable test block proposed in this utility model;

[0026] Figure 6 This is a schematic diagram of the lower fixing rod of a demolding tool for a steel mold for impermeable test blocks proposed in this utility model;

[0027] Figure 7 This is a schematic diagram of the upper pressure head of a demolding tool for a steel mold of an impermeable test block proposed in this utility model.

[0028] Attached diagram descriptions: 1. Upper pressure rod, 2. Lower fixing rod, 3. Pin, 4. Anti-slip sleeve, 5. Mold fixing device, 6. Anti-slip pedal, 7. Upper pressure head, 8. Demolding base, 9. Barrel body fixing device, 10. Fixing bottom ring, 11. Replacement bottom ring, 12. Barrel body fixing rod, 13. Fixing device pin, 14. Fixing ring, 15. Fixing ring fastening device, 16. Barrel body clamp, 17. Barrel body clamp adjusting device, 18. Rubber protective sleeve, 19. Barrel body clamp bolt, 20. Barrel body clamp nut, 21. Fastening bolt, 22. Fastening nut, 23. Hinge seat, 24. Mold, 25. Mounting plate. Detailed Implementation

[0029] The present invention will now be described in detail with reference to the accompanying drawings.

[0030] As attached Figure 1 and attached Figure 2 As shown in the figure, a demolding tool for a steel mold of an impermeable test block according to an embodiment of the present invention includes an upper pressure rod 1, a lower fixing rod 2, a pin 3, an upper pressure head 7, and a mold fixing device 5. The upper pressure rod 1 and the lower fixing rod 2 are hinged to each other by the pin 3 to form an "X"-shaped lever structure. The left end of the lower fixing rod 2 is located at the top and is hinged to the naturally hanging upper pressure head 7. The left end of the upper pressure rod 1 is located at the bottom and is connected to a mounting plate 25. The mold fixing device 5 for installing the mold 24 is installed at the end of the mounting plate 25. The fixed mold device 5 is provided with a hollow structure that allows the test piece in the mold 24 to be detached. The right ends of the upper pressure rod 1 and the lower fixing rod 2 can move apart or closer to each other around the pin 3 to drive the upper pressure head 7 to move toward or away from the mounting mold 24 installed on the fixed mold device 5. The left and right ends of the upper pressure rod 1 and the lower fixing rod 2 are respectively provided with an extension rod that is close to each other on the same side and bent. The upper pressure rod 1 and the lower fixing rod 2 are connected to the fixed mold device 5 and the upper pressure head 7 through the extension rod on the left side.

[0031] This invention, through the structural arrangement of the upper pressure rod 1 and the lower fixing rod 2, in conjunction with the upper pressure head 7 and the fixed mold device 5, enables the upper pressure head 7 to correspond vertically with the fixed mold device 5 and serve as the pressure application end. The right ends of the upper pressure rod 1 and the lower fixing rod 2 are used as the working ends. In use, the mold 24 is installed on the fixed mold device 5, and the right ends of the upper pressure rod 1 and the lower fixing rod 2 are driven to move away from each other around the pin 3, thereby driving the upper pressure head 7 to move towards the mold 24, thus hammering the specimen onto the mold 24. After the specimen detaches from the mold 24, it separates from the hollow structure of the fixed mold device 5, thus facilitating the separation of the specimen from the mold 24. The extension rod structure reduces the movement space required by the upper pressure rod 1 and the lower fixing rod 2, making it easier to apply force between the upper pressure head 7 and the fixed mold device 5, increasing the convenience and stability of demolding.

[0032] This invention effectively solves the problem of difficult demolding of test blocks, significantly reduces demolding time, effectively ensures quality, has a simple structure, is easy to use, and is flexible in application. It is applicable to most steel molds for impermeable concrete test blocks on the market, and can be widely used in the demolding process of steel molds for impermeable concrete test blocks. In application, for impermeable concrete test blocks that are difficult to demold using steel molds, compared with traditional vibration demolding, the demolding speed is significantly shortened, saving time and manpower, and avoiding the risk of structural damage caused by vibration, effectively protecting the integrity of the concrete test block.

[0033] As attached Figure 3 As shown, in another specific embodiment based on the above, the mold fixing device 5 includes a mounting plate 25, a demolding base 8, a barrel body fixator 9, and a barrel body fixing rod 12. One end of the mounting plate 25 is connected to the extension rod on the left side of the pressure rod 1, and the other end of the mounting plate 25 is equipped with a hollow demolding base 8. The barrel body fixator 9 is mounted on the mounting plate 25 via the barrel body fixing rod 12 and is located above the demolding base 8. The barrel body fixator 9 is used to clamp the mold 24, and the demolding base 8 is used to support the bottom of the mold 24, with the hollow portion allowing the test block in the mold 24 to pass through and detach. Thus, the mold 24 can be installed by clamping the mold 24 with the barrel body fixator 9 and supporting the bottom of the mold 24 with the demolding base 8.

[0034] The barrel holder 9 includes two semi-circular fixing rings 14, a fixing pin 13, and a fixing ring fastening device 15. The fixing ring fastening device 15 includes a fastening bolt 21 and two fastening nuts 22. One end of each of the two semi-circular fixing rings 14 is hinged to the end of the barrel fixing rod 12 via the fixing pin 13. The two fixing rings 14 can be opened or closed around the fixing pin 13 to form a circular structure and clamp the outside of the mold 24. The other end of each of the two fixing rings 14 is provided with an extension block, and each extension block has a corresponding through hole. The fastening bolt 21 is used to pass through the two through holes, and the two fastening nuts 22 are threaded onto the fastening bolt 21 and located on the side of the two extension blocks that are far apart. Thus, in use, the two fixing rings 14 can be opened and the mold 24 can be installed, and then the two fixing rings 14 can be closed and the two fastening nuts 22 can be driven to achieve the clamping of the two fixing rings 14 onto the mold 24.

[0035] The two fixing rings 14 are respectively provided with symmetrical barrel clamp adjustment devices 17. The barrel clamp adjustment device 17 includes an arc-shaped barrel clamp 16, a barrel clamp bolt 19 and a barrel clamp nut 20. The fixing ring 14 is provided with a through mounting hole facing the center. The barrel clamp nut 20 is fixedly installed on the outer side of the mounting hole. The barrel clamp bolt 19 passing through the mounting hole is threaded into the barrel clamp nut 20. The barrel clamp bolt 19 is hinged to one end of the barrel clamp bolt 19 located inside the fixing ring 14. The barrel clamp 16 is used to rotatably fit against the outside of the mold 24. Therefore, during use, it can be pre-fixed by two fixing rings 14 and fixing ring fastening device 15, and then adjusted and fixed with high precision by barrel body clamp adjustment device 17. The barrel body clamp 16 hinged on the barrel body clamp bolt 19 can adapt to the relative position change between the fixing ring 14 and the mold 24 during the movement until it fits against the outside of the mold 24. Moreover, the mold 24 of uniform size only needs to be adjusted once by the barrel body clamp 16.

[0036] As attached Figure 4 As shown, in another specific embodiment based on the above, the demolding base 8 includes a fixed bottom ring 10 and a replacement bottom ring 11. The fixed bottom ring 10 is mounted on the mounting plate 25. The inner side of the fixed bottom ring 10 has a cylindrical mounting groove that runs vertically through it. The bottom of the inner side of the mounting groove also has a mounting ring that protrudes inward. The lower end of the replacement bottom ring 11 can be placed on the mounting ring in the mounting groove, and the center of the replacement bottom ring 11 is a hollow structure that allows the test block in the mold 24 to pass through and detach. Thus, through the detachable arrangement between the fixed bottom ring 10 and the replacement bottom ring 11, different sizes of replacement bottom rings 11 can be replaced as needed according to different sizes of molds 24.

[0037] As attached Figure 5 As shown, in another specific embodiment based on the above, the end of the extension rod on the right side of the upper pressure rod 1 is provided with an anti-slip sleeve 4.

[0038] As attached Figure 6 As shown, in another specific embodiment based on the above, the end of the extension rod on the right side of the lower fixing rod 2 is provided with an anti-slip pedal 6.

[0039] In one specific embodiment described above, the upper pressure rod 1 has horizontal and parallel extension rods at its left and right ends, respectively. An anti-slip sleeve 4 is provided on the right extension rod, and a fixing mold device 5 is provided on the left extension rod. Similarly, the lower fixing rod 2 has horizontal and parallel extension rods at its left and right ends, respectively. An anti-slip pedal 6 is provided on the right extension rod, and an upper pressure head 7 is provided on the left extension rod. The anti-slip device 4 and the anti-slip pedal 6 form a working end with corresponding vertical space, used to drive the relative movement between the upper pressure head 7 and the fixing mold device 5.

[0040] As attached Figure 7 As shown, in another specific embodiment based on the above, the upper pressure head 7 includes a weight and a rubber protective sleeve 18. The upper end of the weight is hinged to the end of the extension rod on the left side of the lower fixing rod 2, and the lower end and outer side of the weight are wrapped with the rubber protective sleeve 18. The weight is cylindrical, and its outer diameter is smaller than the inner diameter of the mold 24.

[0041] The upper end of the aforementioned upper pressure head 7 is hinged to the end of the extension rod on the left side of the lower fixed rod 2 via the hinge seat 23.

[0042] One specific embodiment of this utility model is as follows:

[0043] In this embodiment, the fixed bottom ring 10 can be a hollow stepped ring. The fixed bottom ring 10 is larger than the replacement bottom ring 11 and can fit the replacement bottom ring 11 inside it. The replacement bottom ring 11 is a hollow ring that can fit into the fixed bottom ring 10. It can be set to be flush with the horizontal plane of the fixed bottom ring 10. The diameter of the hollow structure is slightly larger than the diameter of the anti-permeability test block to be demolded. The inner diameter of the replacement bottom ring 11 is consistent with the inner diameter of the mold 24 of the anti-permeability test block, which can ensure that the anti-permeability test block can smoothly pass through the hollow part of the replacement bottom ring 11 and fall off smoothly.

[0044] The upper pressure head 7 can be replaced according to the diameter of the anti-permeability test block of different sizes. The diameter is slightly smaller than that of the anti-permeability test block, and it is wrapped with a rubber protective sleeve 18. The upper pressure head 7 is connected to the lower fixing rod 2 by a hinge seat 23, which can rotate a certain angle during the pressure application process. This ensures that the upper pressure head 7 applies a vertical force to the anti-permeability test block during the pressure application process.

[0045] Specifically, when the anti-permeability test block needs to be demolded, the base and barrel body of the steel mold of the undemolded anti-permeability test block are first separated by bolts. At this time, the anti-permeability test block is still inside the steel mold barrel body and the upper and lower parts are interconnected. Replace the bottom ring 11 of the same size according to the size of the anti-permeability test block, and adjust the barrel body clamping adjustment device 17 to the maximum size, and open the fixing ring 14 to the maximum size.

[0046] Place the anti-permeability steel mold barrel body onto the replacement bottom ring 11, with the inner side of the replacement bottom ring 11 aligned with the edge of the test block. Then, close and lock the fixing ring 14, and adjust the barrel body clamping adjustment device 17 to fit snugly against the anti-permeability test block barrel body to clamp and fix it. The adjustment steps for the barrel body clamping adjustment device 17 only need to be performed once when demolding anti-permeability test block steel molds of the same size.

[0047] Next, step on the anti-slip pedal 6 at the working end. Since the anti-slip pedal 6 at the working end is fixed, the upper pressure head 7 at the pressure end connected to it is also fixed. Then press down on the anti-slip sleeve 4 connected to the upper pressure rod 1 and press down hard. At this time, the fixed mold device 5 at the corresponding pressure end will rise up together with the barrel. At the same time, since the spatial position of the upper pressure head 7 is fixed, under the simultaneous action of the upper and lower pressure ends, the test block and the barrel will be subjected to corresponding forces. The upper pressure head 7 squeezes the test block inside the barrel, thereby releasing the test block from the fixed mold device 5 and thus demolding the test block. At the same time, since the upper pressure head 7 is wrapped with a rubber protective sleeve 18, it will not damage the test block and will protect the integrity of the test block.

[0048] In the above scheme, during use, an elastic pad can be set below the fixed mold device 5 as needed to receive the test block and prevent the test block from being damaged after falling.

[0049] This utility model device can quickly demold the test block in a time-saving and labor-saving manner, while also ensuring the integrity of the test block's appearance as much as possible.

[0050] It should be noted that the terms such as "upper", "lower", "left", "right", "front", and "back" used in this utility model are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0051] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should be considered within its protection scope.

Claims

1. A demolding tool for a steel mold of a water-resistant test block, characterized in that: The device includes an upper pressure rod (1), a lower fixing rod (2), a pin (3), an upper pressure head (7), and a mold fixing device (5). The upper pressure rod (1) and the lower fixing rod (2) are hinged together by the pin (3) to form an "X"-shaped lever structure. The left end of the lower fixing rod (2) is located at the top and is hinged to the naturally hanging upper pressure head (7). The left end of the upper pressure rod (1) is located at the bottom and is equipped with a mold fixing device (5) for installing the mold (24). The mold fixing device (5) is provided with a pilot-scale test mold for the mold (24). The hollow structure of the detached parts allows the right ends of the upper pressure rod (1) and the lower fixing rod (2) to move apart or closer around the pin (3) to drive the upper pressure head (7) toward or away from the mounting mold (24) mounted on the fixed mold device (5); the left and right ends of the upper pressure rod (1) and the lower fixing rod (2) are respectively provided with an extension rod that is close to each other on the same side and bent. The upper pressure rod (1) and the lower fixing rod (2) are connected to the fixed mold device (5) and the upper pressure head (7) through the extension rod on the left side.

2. The demolding tool for a steel mold of an impermeable test block according to claim 1, characterized in that: The fixed mold device (5) includes a mounting plate (25), a demolding base (8), a barrel body fixer (9), and a barrel body fixing rod (12). One end of the mounting plate (25) is connected to the extension rod on the left side of the upper pressure rod (1), and the other end of the mounting plate (25) is equipped with a hollow demolding base (8). The barrel body fixer (9) is mounted on the mounting plate (25) through the barrel body fixing rod (12) and is located above the demolding base (8). The barrel body fixer (9) is used to clamp the mold (24), and the demolding base (8) is used to support the bottom of the mold (24), and the hollow part allows the test block in the mold (24) to pass through and detach.

3. The demolding tool for a steel mold of an impermeable test block according to claim 2, characterized in that: The barrel body fixing device (9) includes two semi-arc-shaped fixing rings (14), a fixing pin (13), and a fixing ring fastening device (15). The fixing ring fastening device (15) includes a fastening bolt (21) and two fastening nuts (22). One end of the two semi-arc-shaped fixing rings (14) is hinged to the end of the barrel body fixing rod (12) through the fixing pin (13). The two fixing rings (14) can open or close around the fixing pin (13) to form a circular structure. The other end of the two fixing rings (14) is provided with an extension block. The two extension blocks are respectively provided with through holes. The fastening bolt (21) is used to pass through the two through holes. The two fastening nuts (22) are used to be threaded onto the fastening bolt (21) and located on the side of the two extension blocks that are far apart.

4. A demolding tool for a steel mold for a water-resistant test block according to claim 3, characterized in that: The two fixing rings (14) are respectively provided with symmetrical barrel clamp adjustment devices (17). The barrel clamp adjustment device (17) includes an arc-shaped barrel clamp (16), a barrel clamp bolt (19) and a barrel clamp nut (20). The fixing ring (14) is provided with a through mounting hole facing the center. The barrel clamp nut (20) is fixedly installed on the outer side of the mounting hole. The barrel clamp nut (20) is threaded with a barrel clamp bolt (19) that passes through the mounting hole. The barrel clamp bolt (19) is hinged to the barrel clamp (16) at the inner end of the fixing ring (14). The barrel clamp (16) is used to fit against the outer side of the mold (24).

5. A demolding tool for a steel mold for a water-resistant test block according to claim 2, characterized in that: The demolding base (8) includes a fixed bottom ring (10) and a replacement bottom ring (11). The fixed bottom ring (10) is installed on the mounting plate (25). The inner side of the fixed bottom ring (10) is provided with a cylindrical mounting groove that runs vertically through it. The bottom of the inner side of the mounting groove is also provided with a mounting ring that protrudes inward. The lower end of the replacement bottom ring (11) can be placed on the mounting ring in the mounting groove. The center of the replacement bottom ring (11) is set as a hollow structure that allows the test block in the mold (24) to pass through and detach.

6. A demolding tool for a steel mold for a water-resistant test block according to claim 1, characterized in that: The end of the extension rod on the right side of the upper pressure rod (1) is provided with an anti-slip sleeve (4).

7. A demolding tool for a steel mold for a water-resistant test block according to claim 1, characterized in that: The end of the extension rod on the right side of the lower fixing rod (2) is provided with an anti-slip pedal (6).

8. A demolding tool for a steel mold for a water-resistant test block according to claim 1, characterized in that: The upper pressure head (7) includes a weight and a rubber protective sleeve (18). The upper end of the weight is hinged to the end of the extension rod on the left side of the lower fixing rod (2). The lower end and the outer side of the weight are wrapped with a rubber protective sleeve (18).

9. A demolding tool for a steel mold for a water-resistant test block according to claim 8, characterized in that: The weight is cylindrical and its outer diameter is smaller than the inner diameter of the mold (24).

10. A demolding tool for a steel mold for a water-resistant test block according to claim 1, characterized in that: The upper end of the upper pressure head (7) is hinged to the end of the extension rod on the left side of the lower fixing rod (2) via a hinge seat (23).

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