Integrated splicing structure of curb L-shaped plate side formwork and formwork and construction method

Abstract

The invention discloses a curb L-shaped plate side formwork integrated splicing structure and a construction method, and relates to the technical field of road construction. The curb comprises a plurality of L-shaped curbs which are arranged in a straight line, a side formwork is installed on one side of each L-shaped curb, a concrete pouring block is arranged between each L-shaped curb and the corresponding side formwork, penetrating grooves are symmetrically formed in one end of each side formwork, and fixing rods are slidably connected into the penetrating grooves. Through cooperative use of the fixing rod and the transmission assembly, when the fixing rod is pried to be separated from the interior of the ground, the fixing rod drives the transmission assembly to eject the ejection block in the length direction perpendicular to the penetrating groove, and the ejection block abuts against the concrete pouring block in the length direction of the ejection sliding groove; therefore, the ejection block pushes the side template to be separated from the concrete pouring block, so that the situation that the internal structure of the concrete pouring block is cracked due to vibration generated by knocking is effectively reduced, and the mounting quality of the L-shaped curb is improved.

Description

Technical Field

[0001] This application relates to the field of road construction technology, and in particular to the integrated assembly structure and construction method of L-shaped curbstone side formwork. Background Technology

[0002] A curbstone is a marker stone placed between the road surface and other structures, also known as a curb or curb. As the most common structure on urban roads, curbstones are often used between the median strip and the road surface, between the sidewalk and the road surface, on the right edge of the driving lane, or on the outer edge of the shoulder. They are an important component of road ancillary facilities.

[0003] When installing curb stones on the road, after placing the outer side of the curb stone facing the road, a side formwork is usually installed on the inner side of the curb stone, and grout is poured between the side formwork and the inner side of the curb stone. After the concrete mortar has solidified, the formwork is removed, thus fixing the position of the curb stone in the road.

[0004] Most existing demolding methods involve striking the side formwork to vibrate and detach it from the concrete mortar. However, in actual use, the vibration generated by strong striking can easily cause cracks in the internal structure of the concrete mortar, affecting the installation quality of the curbstone. Summary of the Invention

[0005] The purpose of this application is to address the problem that strong impacts can cause cracks in the internal structure of concrete mortar, affecting the installation quality of curb stones. This application provides an integrated assembly structure and construction method for the L-shaped side formwork of curb stones.

[0006] To achieve the above objectives, this application specifically adopts the following technical solution: The integrated assembly structure of the L-shaped curbstone side formwork includes multiple L-shaped curbstones arranged in a straight line. A side formwork is installed on one side of each L-shaped curbstone. A concrete pouring block is placed between the L-shaped curbstone and the side formwork. A through groove is symmetrically opened at one end of the side formwork. A fixing rod is slidably connected inside the through groove. A top ejection groove is opened on the side of the side formwork near the concrete pouring block. The top ejection groove is located in the middle section of the through groove. A top ejection block is slidably connected inside the through groove. A transmission component is installed at one end of the fixing rod.

[0007] By adopting the above technical solution, and through the coordinated use of the fixing rod and the transmission component, when the fixing rod is pried off the ground, the fixing rod simultaneously drives the transmission component to push out the ejector block along the length direction perpendicular to the through groove. This causes the ejector block to come into contact with the concrete block along the length direction of the ejection groove, thereby pushing the side formwork away from the concrete block. This effectively reduces the possibility of cracks in the internal structure of the concrete block caused by the vibration from the impact, and improves the installation quality of the L-shaped curbstone.

[0008] Furthermore, the transmission assembly includes a transmission collar inclinedly disposed in the middle section of the fixed rod, and a transmission slider is symmetrically fixedly connected to one end of the ejector block, with one end of the transmission slider slidably connected inside the transmission collar.

[0009] By adopting the above technical solution, and by setting the transmission collar and the transmission slider to work together, when the fixed rod moves along the length of the through groove, the fixed rod drives the transmission collar and the transmission slider to come into contact, and pushes the transmission slider along the length of the through groove, causing the ejector block to move out of the through groove or retract into the through groove, thereby facilitating the ejector block to come into contact with the concrete pouring block.

[0010] Furthermore, a support plate is hinged to one side of the side template, a support rod is hinged to one end of the support plate, an adjustment groove is provided on one side of the side template, an adjustment slider is slidably connected inside the adjustment groove, one end of the support rod is hinged to the adjustment slider, and a drive assembly is installed inside the adjustment groove.

[0011] By adopting the above technical solution, and by setting the driving component to work in conjunction with the support plate and support rod, the manual rotation of the driving component can drive the adjusting slider to move the support rod along the length of the adjusting groove. At the same time, the support rod pushes out of the support plate around the intersection axis, and the support plate, together with the support rod, the side template and the ground, form a stable triangular support structure, thereby effectively improving the support stability of the side template.

[0012] Furthermore, the drive assembly includes a drive screw rotatably connected inside the adjustment groove, the drive screw being threadedly connected to the adjustment slider, one end of the drive screw passing through the adjustment groove and fixedly connected to a drive handle.

[0013] By adopting the above technical solution, and by setting the driving handle to work in conjunction with the driving screw and the adjusting slider, rotating the driving handle can drive the driving screw and the adjusting slider to form a threaded connection, thereby driving the adjusting slider to move along the length of the adjusting groove.

[0014] Furthermore, one end of the side template is provided with a slot, and the other end of the side template is fixedly connected with a card block that matches the slot. A knob is damped and hinged on one side of the side template, and one end of the knob is fixedly connected with a card plate.

[0015] By adopting the above technical solution, and by setting up the cooperation of the card plate with the knob, card slot and card block, when two adjacent side templates are aligned by the card block and card slot, the card plate is pressed and fixed by rotating the knob, which facilitates the alignment between the two adjacent side templates and effectively improves the practicality of the device.

[0016] Furthermore, a rubber pad is fixedly connected to the inner side of the slot.

[0017] By adopting the above technical solution, the sealing performance of the connection end between two adjacent side templates is effectively improved by setting rubber gaskets.

[0018] Furthermore, the surfaces of the drive screw, adjusting slider, adjusting groove, fixing rod, transmission collar, and transmission slider are all coated with silicone waterproof coating.

[0019] By adopting the above technical solution, and by coating the surfaces of the drive screw, adjusting slider, adjusting groove, fixing rod, transmission collar, and transmission slider with silicone waterproof coating, the jamming caused by rust inside the device is effectively reduced, and the rust resistance of the device is improved.

[0020] A construction method for the above-mentioned irregular roof structure, comprising the following steps: S1: First, place the side template on the back of the L-shaped curbstone. Then, manually pull the side template to align the card block with the slot at one end of the adjacent side template. Manually rotate the knob on one side of the adjacent side template to push the card block into the slot. At the same time, the card block will press against the rubber pad and be fixed inside the slot to complete the quick alignment connection between the two adjacent side templates. S2: After completing the above S1 operation, the drive screw is driven to form a threaded connection with the adjusting slider by rotating the drive handle, and the adjusting slider is driven to move along the length direction of the adjusting groove. At the same time, the adjusting slider drives the support rod to rotate around the intersection axis and push out the support plate, so that the support plate comes into contact with the ground, so as to adjust the tilt angle of the support plate and form a stable triangular support structure between the support plate, the support rod, and the side template. S3: After completing the above S2 operation, use a hammer to drive the bottom end of the fixing rod into the ground along the length of the through groove. At the same time, the fixing rod drives the transmission collar to move downward along the length of the through groove, and the transmission slider is guided by the thrust of the transmission collar, so that the transmission slider drives the ejector block to retract into the ejector groove along the length of the through groove perpendicular to the length of the through groove. S4: After completing the above S3 operation, when the side formwork needs to be removed after the concrete block is poured, use one end of a hammer to pry up the top of the fixing rod, so that the fixing rod drives the transmission collar to move upward along the length of the through groove, so that the bottom of the fixing rod is removed from the ground and retracts into the inside of the through groove. At the same time, the transmission collar pushes the transmission slider to drive the ejector block to eject the ejector block into the ejector groove along the length of the through groove perpendicular to the length of the through groove. At the same time, the ejector block forms an abutment with one side of the concrete block, and the ejector block pushes the side formwork away from the concrete block.

[0021] In summary, this application includes at least one of the following beneficial effects: 1. By using a fixed rod and a transmission assembly in conjunction, when the fixed rod is pried off the ground, the fixed rod simultaneously drives the transmission assembly to push out the ejector block along the length of the through groove. This causes the ejector block to come into contact with the concrete block along the length of the ejection groove, thereby pushing the side formwork away from the concrete block. This effectively reduces the possibility of cracks in the internal structure of the concrete block caused by vibration from hammering, and improves the installation quality of the L-shaped curbstone.

[0022] 2. By setting up the transmission collar and the transmission slider to work together, when the fixed rod moves along the length of the through groove, the fixed rod drives the transmission collar and the transmission slider to come into contact, and pushes the transmission slider along the length of the through groove, causing the ejector block to move out of the through groove or retract into the through groove, thereby facilitating the ejector block to come into contact with the concrete block.

[0023] 3. By setting up the drive assembly in conjunction with the support plate and support rod, the manual rotation of the drive assembly can drive the adjusting slider to move the support rod along the length of the adjusting groove. At the same time, the support rod pushes out of the support plate around the intersection axis, and the support plate, support rod, side template and ground form a stable triangular support structure, thereby effectively improving the support stability of the side template. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the main body of the device in this application.

[0025] Figure 2 This is a side sectional view of the main body of the device in this application.

[0026] Figure 3 This is an exploded view of the internal structure of the side template in this application.

[0027] Figure 4 This is a schematic diagram of the internal structure of the adjusting groove in this application.

[0028] Figure 5 This is a partial exploded view of the main structure of the device in this application.

[0029] Explanation of reference numerals in the attached figures: 1. L-shaped curbstone; 2. Side formwork; 3. Concrete casting block; 4. Through groove; 6. Fixing rod; 7. Ejection slide; 8. Ejection block; 9. Transmission collar; 10. Transmission slider; 11. Support plate; 12. Support rod; 13. Adjustment slide; 14. Adjustment slider; 15. Drive screw; 16. Drive handle; 17. Slot; 18. Locking block; 19. Locking plate; 20. Knob; 21. Rubber pad. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0031] This application discloses an integrated assembly structure and construction method for the side formwork of L-shaped curb stones.

[0032] Reference Figures 1-3 The L-shaped curbstone side formwork integrated assembly structure includes multiple L-shaped curbstones 1 arranged in a straight line. A side formwork 2 is installed on one side of the L-shaped curbstone 1. A concrete pouring block 3 is set between the L-shaped curbstone 1 and the side formwork 2. A through groove 4 is symmetrically opened at one end of the side formwork 2. A fixing rod 6 is slidably connected inside the through groove 4. A top ejection groove 7 is opened on the side of the side formwork 2 near the concrete pouring block 3. The top ejection groove 7 is located in the middle section of the through groove 4. A top ejection block 8 is slidably connected inside the through groove 4. A transmission component is installed at one end of the fixing rod 6.

[0033] The transmission assembly includes a transmission collar 9 that is inclinedly set in the middle section of the fixed rod 6, and a transmission slider 10 that is symmetrically fixed to one end of the ejector block 8. One end of the transmission slider 10 is slidably connected to the inside of the transmission collar 9.

[0034] In use, before pouring the concrete block 3, the side template 2 is placed on the back of the L-shaped curbstone 1. Then, by tapping, the bottom end of the fixing rod 6 is driven into the ground along the length of the through groove 4. At the same time, the fixing rod 6 drives the transmission collar 9 to move downward along the length of the through groove 4, and the transmission slider 10 is guided by the thrust of the transmission collar 9. The transmission slider 10 drives the ejector block 8 to retract into the ejector groove 7 along the length of the through groove 4, so as to reduce the protrusion of the ejector block 8 on the side template 2 near the concrete block 3, so that the pouring shape of the concrete block 3 is more regular. Similarly, when the concrete block 3 is poured and the side formwork 2 needs to be removed, the top of the fixing rod 6 is pried up by using one end of a hammer. This causes the fixing rod 6 to move the transmission collar 9 upward along the length of the through groove 4, so that the bottom of the fixing rod 6 is removed from the ground and retracts into the through groove 4. At the same time, the transmission collar 9 pushes the transmission slider 10 to push the ejector block 8 out of the ejector groove 7 along the length of the through groove 4. This causes the ejector block 8 to come into contact with one side of the concrete block 3 and push the side formwork 2 out in the opposite direction. This facilitates the removal of the fixed connection between the side formwork 2 and the ground, and at the same time, the ejector block 8 pushes the side formwork 2 and the concrete block 3 to separate from each other. This effectively reduces the possibility of cracks in the internal structure of the concrete block 3 caused by the vibration generated by the hammering, and improves the installation quality of the L-shaped curbstone 1.

[0035] Reference Figure 2 and Figure 4 A support plate 11 is hinged to one side of the side template 2, and a support rod 12 is hinged to one end of the support plate 11. An adjustment groove 13 is provided on one side of the side template 2. An adjustment slider 14 is slidably connected inside the adjustment groove 13. One end of the support rod 12 is hinged to the adjustment slider 14. A drive assembly is installed inside the adjustment groove 13.

[0036] The drive assembly includes a drive screw 15 rotatably connected inside the adjustment slide 13. The drive screw 15 is threadedly connected to the adjustment slider 14. One end of the drive screw 15 passes through the adjustment slide 13 and is fixedly connected to a drive handle 16.

[0037] In use, rotating the drive handle 16 drives the drive screw 15 to rotate, forming a threaded connection between the drive screw 15 and the adjusting slider 14. Simultaneously, the drive screw 15 drives the adjusting slider 14 to move along the length of the adjusting groove 13, causing the adjusting slider 14 to drive the support rod 12 to rotate around the junction axis. At the same time, the support rod 12 pushes out of the support plate 11 and rotates around the junction axis, causing the support plate 11 to come into contact with the ground. This facilitates the adjustment of the tilt angle of the support plate 11 according to the actual installation terrain of the side template 2, forming a stable triangular support structure between the support plate 11, the support rod 12, and the side template 2, thereby improving the fixing strength and stability of the side template 2.

[0038] Reference Figure 1 and Figure 5 One end of the side template 2 is provided with a slot 17, and the other end of the side template 2 is fixedly connected with a card block 18 that is adapted to the slot 17. A knob 20 is damped and hinged on one side of the side template 2, and a card plate 19 is fixedly connected to one end of the knob 20.

[0039] A rubber pad 21 is fixedly connected to the inner side of the slot 17.

[0040] When using the side template 2, manually pull the side template 2 to align the locking block 18 with the slot 17 at one end of the adjacent side template 2. Then, manually rotate the knob 20 on one side of the adjacent side template 2 so that the knob 20 causes one end of the locking plate 19 to come into contact with the locking block 18 and pushes the locking block 18 into the slot 17. At the same time, the locking block 18 compresses the rubber pad 21 and fixes it into the slot 17. This facilitates the quick alignment and connection between the two adjacent side templates 2 and effectively improves the sealing between the two adjacent side templates 2.

[0041] Reference Figure 1 and Figure 3 , Figure 4 The surfaces of the drive screw 15, the adjusting slider 14, the adjusting groove 13, the fixed rod 6, the transmission collar 9, and the transmission slider 10 are all coated with silicone waterproof coating.

[0042] During use, the application of silicone waterproof coating effectively improves the corrosion resistance of the drive screw 15, adjusting slider 14, adjusting groove 13, fixing rod 6, transmission collar 9, and transmission slider 10, reduces jamming of the drive screw 15 and fixing rod 6 during use, and extends the service life of the device.

[0043] A construction method for the above-mentioned irregular roof structure, comprising the following steps: S1: First, place the side template 2 on the back side of the L-shaped curbstone 1. Then, manually pull the side template 2 to align the locking block 18 with the slot 17 at one end of the adjacent side template 2. Manually rotate the knob 20 on one side of the adjacent side template 2 so that the knob 20 drives one end of the locking plate 19 to push the locking block 18 into the slot 17. At the same time, the locking block 18 squeezes the rubber pad 21 and fixes it into the slot 17 to complete the quick alignment connection between the two adjacent side templates 2. S2: After completing the above S1 operation, by rotating the drive handle 16, the drive screw 15 is driven to form a threaded connection with the adjusting slider 14, and the adjusting slider 14 is driven to move along the length direction of the adjusting groove 13. At the same time, the adjusting slider 14 drives the support rod 12 to rotate around the intersection axis and push out the support plate 11, so that the support plate 11 comes into contact with the ground, so as to adjust the tilt angle of the support plate 11 and form a stable triangular support structure between the support plate 11, the support rod 12, and the side template 2. S3: After completing the above S2 operation, use a hammer to drive the bottom end of the fixing rod 6 into the ground along the length of the through groove 4. At the same time, the fixing rod 6 drives the transmission collar 9 to move downward along the length of the through groove 4, and the transmission slider 10 is guided by the thrust of the transmission collar 9, so that the transmission slider 10 drives the ejector block 8 to retract into the ejector groove 7 along the length of the through groove 4 perpendicular to the length of the through groove 4. S4: After completing the above S3 operation, when the concrete block 3 is poured and the side formwork 2 needs to be removed, use one end of a hammer to pry up the top of the fixing rod 6, so that the fixing rod 6 drives the transmission collar 9 to move upward along the length direction of the through groove 4, so that the bottom of the fixing rod 6 is removed from the ground and retracts into the interior of the through groove 4. At the same time, the transmission collar 9 pushes the transmission slider 10 to drive the ejector block 8 to push out into the ejector groove 7 along the length direction perpendicular to the through groove 4. At the same time, the ejector block 8 forms contact with one side of the concrete block 3, and the ejector block 8 pushes the side formwork 2 to detach from the concrete block 3.

[0044] The implementation principle of the integrated assembly structure and construction method of the L-shaped curbstone side formwork in this embodiment is as follows: First, when installing the side formwork 2, the drive screw 15 is rotated by rotating the drive handle 16, and the drive screw 15 is threadedly connected to the adjusting slider 14. At the same time, the drive screw 15 drives the adjusting slider 14 to move along the length direction of the adjusting groove 13, and the adjusting slider 14 drives the support rod 12 to rotate around the intersection axis. At the same time, the support rod 12 pushes out the support plate 11 to rotate around the intersection axis, so that the support plate 11 forms contact with the ground. This makes it easy to adjust the tilt angle of the support plate 11 according to the actual installation terrain of the side formwork 2, so that the support plate 11, the support rod 12, and the side formwork 2 form a stable triangular support structure, thereby improving the fixing strength and stability of the side formwork 2. Then, by striking, the bottom end of the fixing rod 6 is driven into the ground along the length of the through groove 4. At the same time, the fixing rod 6 drives the transmission collar 9 to move downward along the length of the through groove 4, and the transmission slider 10 is guided by the thrust of the transmission collar 9, so that the transmission slider 10 drives the ejector block 8 to retract into the ejector groove 7 along the length of the through groove 4 perpendicular to the length of the through groove 4. Next, when the concrete block 3 is poured and the side formwork 2 needs to be removed, the top of the fixing rod 6 is pried up by using one end of a hammer. This causes the fixing rod 6 to move the transmission collar 9 upward along the length of the through groove 4, so that the bottom of the fixing rod 6 is removed from the ground and retracts into the through groove 4. At the same time, the transmission collar 9 pushes the transmission slider 10 to push the ejector block 8 out of the ejector groove 7 along the length of the through groove 4. This causes the ejector block 8 to come into contact with one side of the concrete block 3 and push the side formwork 2 out in the opposite direction. This facilitates the removal of the fixed connection between the side formwork 2 and the ground, and at the same time, the ejector block 8 pushes the side formwork 2 and the concrete block 3 to separate from each other. This effectively reduces the possibility of cracks in the internal structure of the concrete block 3 caused by the vibration generated by the hammering, and improves the installation quality of the L-shaped curbstone 1.

Claims

1. An integrated assembly structure for the side formwork of L-shaped curb stones, comprising multiple L-shaped curb stones (1) arranged in a straight line, characterized in that: A side template (2) is installed on one side of the L-shaped curbstone (1). A concrete pouring block (3) is set between the L-shaped curbstone (1) and the side template (2). A through groove (4) is symmetrically opened at one end of the side template (2). A fixing rod (6) is slidably connected inside the through groove (4). A top-out sliding groove (7) is opened on the side of the side template (2) near the concrete pouring block (3). The top-out sliding groove (7) is set in the middle section of the through groove (4). A top-out block (8) is slidably connected inside the through groove (4). A transmission component is installed at one end of the fixing rod (6).

2. The integrated assembly structure of the side formwork template for the L-shaped curbstone as described in claim 1, characterized in that: The transmission assembly includes a transmission collar (9) that is inclinedly disposed in the middle section of the fixed rod (6), and a transmission slider (10) is symmetrically fixedly connected to one end of the ejector block (8), and one end of the transmission slider (10) is slidably connected inside the transmission collar (9).

3. The integrated assembly structure of the side formwork template for the L-shaped curbstone plate according to claim 1, characterized in that: A support plate (11) is hinged to one side of the side template (2), and a support rod (12) is hinged to one end of the support plate (11). An adjustment groove (13) is provided on one side of the side template (2). An adjustment slider (14) is slidably connected inside the adjustment groove (13). One end of the support rod (12) is hinged to the adjustment slider (14). A drive assembly is installed inside the adjustment groove (13).

4. The integrated assembly structure of the side formwork template for the L-shaped curbstone plate according to claim 3, characterized in that: The drive assembly includes a drive screw (15) rotatably connected inside the adjustment groove (13), the drive screw (15) being threadedly connected to the adjustment slider (14), one end of the drive screw (15) passing through the adjustment groove (13) and being fixedly connected to a drive handle (16).

5. The integrated assembly structure of the side formwork template for the L-shaped curbstone plate according to claim 1, characterized in that: One end of the side template (2) is provided with a slot (17), and the other end of the side template (2) is fixedly connected with a card block (18) that is adapted to the slot (17). A knob (20) is damped and hinged on one side of the side template (2), and a card plate (19) is fixedly connected to one end of the knob (20).

6. The integrated assembly structure of the side formwork template for the L-shaped curbstone plate according to claim 5, characterized in that: A rubber pad (21) is fixedly connected to the inner side of the slot (17).

7. The integrated assembly structure of the side formwork template for the L-shaped curbstone plate according to claim 4, characterized in that: The surfaces of the drive screw (15), the adjusting slider (14), the adjusting groove (13), the fixed rod (6), the transmission collar (9), and the transmission slider (10) are all coated with silicone waterproof coating.

8. A construction method for an integrated assembly structure of side formwork for L-shaped curb stones, based on the integrated assembly structure of side formwork for L-shaped curb stones as described in any one of claims 1-7, characterized in that... The steps include the following: S1: First, place the side template (2) on the back side of the L-shaped curbstone (1), then manually pull the side template (2) to align the card block (18) with the card slot (17) at one end of the adjacent side template (2), and manually rotate the knob (20) on one side of the adjacent side template (2) so that the knob (20) drives one end of the card plate (19) to push the card block (18) into the inside of the card slot (17), while the card block (18) presses against the rubber pad (21) and is fixedly inserted into the inside of the card slot (17) to complete the quick alignment connection between the two adjacent side templates (2); S2: After completing the above S1 operation, by rotating the drive handle (16), the drive screw (15) and the adjusting slider (14) are connected by a thread, and the adjusting slider (14) is driven to move along the length direction of the adjusting groove (13). At the same time, the adjusting slider (14) drives the support rod (12) to rotate around the intersection axis and push out the support plate (11), so that the support plate (11) is in contact with the ground, so as to adjust the tilt angle of the support plate (11) and form a stable triangular support structure between the support plate (11), the support rod (12), and the side template (2). S3: After completing the above S2 operation, use a hammer to drive the bottom end of the fixing rod (6) into the ground along the length of the through groove (4) by striking. At the same time, the fixing rod (6) drives the transmission collar (9) to move downward along the length of the through groove (4), and the transmission slider (10) is guided by the thrust of the transmission collar (9), so that the transmission slider (10) drives the ejector block (8) to retract into the ejector groove (7) along the length of the through groove (4) perpendicular to the length of the through groove (4). S4: After completing the above S3 operation, when the concrete block (3) is poured and the side formwork (2) needs to be removed, the top of the fixing rod (6) is pried up by using one end of the hammer, so that the fixing rod (6) drives the transmission collar (9) to move upward along the length direction of the through groove (4), so that the bottom of the fixing rod (6) is removed from the ground and retracted into the interior of the through groove (4), while the transmission collar (9) pushes the transmission slider (10) to drive the ejector block (8) to eject out of the interior of the ejector groove (7) along the length direction perpendicular to the through groove (4), while the ejector block (8) forms a contact with one side of the concrete block (3), and the ejector block (8) pushes the side formwork (2) to separate from the concrete block (3).

Images