Safety protection type prestressed anchorage device

Abstract

The utility model provides a safety protection type prestressed anchorage device, which belongs to the technical field of constructional engineering and comprises a connecting column and an anchorage device body, a connecting pipe is arranged at the upper end of the connecting column, a connecting groove is arranged in the connecting column, the anchorage device body is inserted into the connecting groove, driving grooves are arranged on two sides in the connecting column, and springs are arranged in the driving grooves. The positioning column penetrates through a through hole in the inner wall of the driving groove, the cross section of the positioning column is matched with the cross section of the through hole of the driving groove, positioning grooves are formed in the positions, corresponding to the positioning column, of the two sides of the anchorage device body, the end of the positioning column is inserted into the positioning grooves, and a connecting rod is fixed to the other side of the connecting plate; the end of the connecting rod penetrates through the inner wall of the driving groove and extends out of the connecting column, a limiting plate is arranged at the end of the connecting rod, a handle is arranged on the surface of the limiting plate, and a limiting assembly for limiting the positioning column is arranged on the surface of the connecting column. The anchorage device can be rapidly installed, the anchorage device is more convenient to disassemble and assemble, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, and particularly relates to a safety protection type prestressed anchor Background Art

[0002] An anchor is a permanent anchoring device used in prestressed concrete. It is an anchoring tool in post-tensioned structures or components to maintain the tension of prestressed tendons and transfer it to the interior of concrete, and is also called a prestressed anchor

[0003] The utility model with the authorization announcement number of CN 212079352 U discloses a safety protection type prestressed anchor, which includes an anchor body in a cylindrical shape. A conical groove is arranged inside the anchor body, and three conical anchor lock pieces are arranged in the conical groove in total. The three anchor lock pieces are correspondingly and cooperatively arranged in a conical shape, and the three anchor lock pieces and the conical groove are nested and cooperatively arranged. A traction groove is arranged between the three anchor lock pieces. A connecting block is arranged above the anchor body, and a connecting groove nested and cooperatively arranged with the anchor body is opened at the bottom of the connecting block. In the utility model, by connecting the anchor body with a horseshoe-shaped connecting pipe structure, a horseshoe-shaped anchor can be combined, which can be adapted to the use of some roof shoulder angle anchor cables. The cross-section with a set 30-degree angle can be attached to the roof rock surface, making the stress area of the structure more uniform. At the same time, the structure is also convenient for disassembly. The disassembled anchor body can be adapted to the use of a flat-angle roof rock surface, and the structure is more flexible in use

[0004] The device fixes the conical groove with bolts. Although this fixing method is relatively stable, the disassembly and assembly process is relatively complicated, which is not convenient for the staff to quickly install the anchor and reduces the work efficiency Content of the Utility Model

[0005] In view of this, the present utility model provides a safety protection type prestressed anchor. When the staff needs to install the anchor body, the handles on both sides are pulled in sequence. The handles drive the limiting plate to move away from the connecting column. The limiting plate drives the connecting plate to move synchronously through the connecting rod. The connecting plate compresses the spring. At the same time, the connecting plate drives the positioning column to disengage from the connecting groove and enter the driving groove. Subsequently, the position of the limiting plate is limited by the limiting component, so that the positioning column stays inside the driving groove. After the positioning columns on both sides disengage from the connecting groove and are limited, the anchor body is inserted into the connecting groove, and the positioning grooves on both sides of the anchor body are aligned with the positions of the positioning columns. Then, the limiting of the two limiting plates is cancelled in sequence through the limiting component, so that the spring has a space for rebound. The resilience of the spring pushes the connecting plate to reset. The connecting plate pushes the positioning column to be clamped into the positioning groove, so that the two positioning columns fix the anchor body. When it is necessary to disassemble the anchor body, the handle is pulled again to make the positioning column disengage from the positioning groove, so that the positioning column cancels the fixation of the anchor body. Furthermore, the anchor body can be taken out of the connecting groove. Thus, the anchor body can be quickly disassembled and assembled through the mutual cooperation of the two positioning columns and the limiting component. The disassembly and assembly process is more convenient, greatly improving the work efficiency and quickly installing the anchor. The disassembly and assembly process of the anchor is more convenient, improving the work efficiency.

[0006] In order to solve the above technical problems, the utility model provides a safety protection type prestressed anchor, including a connecting column and an anchor body, a connecting pipe is arranged on the upper end of the connecting column, a connecting groove is arranged inside the connecting column, the anchor body is plugged into the connecting groove, driving grooves are arranged on both sides of the connecting column, a spring is arranged in the driving groove, and a spring is arranged inside the driving groove, a connecting plate is arranged at one end of the spring, a positioning column is arranged on the surface of the connecting plate, a through hole is arranged on the inner wall of the driving groove corresponding to the position of the positioning column, the positioning column passes through the through hole on the inner wall of the driving groove, and the cross section of the positioning column is adapted to the cross section of the through hole in the driving groove, positioning grooves are arranged on both sides of the anchor body corresponding to the position of the positioning column, the end of the positioning column is plugged into the positioning groove, a connecting rod is fixed on the other side of the connecting plate, the end of the connecting rod passes through the inner wall of the driving groove and extends to the outside of the connecting column, a limiting plate is arranged on the end of the connecting rod, a handle is arranged on the surface of the limiting plate, and a limiting component for limiting the positioning column is arranged on the surface of the connecting column. When the staff needs to install the anchor body, they pull the handles on both sides in turn, and the handles are pulled The movable limit plate moves in the direction away from the connecting column, and the limit plate drives the connecting plate to move synchronously through the connecting rod, and the connecting plate compresses the spring, and at the same time the connecting plate drives the positioning column to disengage from the connecting groove and enter the driving groove. Subsequently, the position of the limit plate is limited by the limit assembly, so that the positioning column stays in the driving groove. When the positioning columns on both sides are disengaged from the connecting groove and limited, the anchor body is inserted into the connecting groove, and the positioning grooves on both sides of the anchor body are aligned with the positions of the positioning columns, and then the limit of the two limit plates is canceled in turn by the limit assembly, so that the spring has a rebound space, and the rebound force of the spring pushes the connecting plate to reset, and the connecting plate pushes the positioning column to be clamped into the positioning groove, so that the two positioning columns fix the anchor body. When the anchor body needs to be disassembled, the handle is pulled again to disengage the positioning column from the positioning groove, so that the positioning column cancels the fixation of the anchor body, and then the anchor body can be taken out of the connecting groove, so that the anchor body can be quickly disassembled and assembled by the cooperation of the two positioning columns and the limit assembly, and the disassembly and assembly process is more convenient, which greatly improves work efficiency.

[0007] The cross-sectional area of ​​the connecting plate is larger than the cross-sectional area of ​​the through hole on the inner wall of the driving groove. The connecting plate can prevent the positioning column from being separated from the driving groove, thereby improving the stability of the positioning column.

[0008] The inner wall of the positioning groove is provided with a rubber pad, which can provide shock absorption and buffering when the anchor body vibrates, prevent damage to the positioning column, and increase the service life of the device.

[0009] The limit assembly includes a limit sleeve arranged on the outer wall of the connecting frame, and slide grooves are provided on the upper and lower sides of the limit sleeve. The two sides of the limit plate are slidably arranged in the slide grooves, and the left and right sides of the limit sleeve are provided with card slots. When the anchor body needs to be installed, the handle is pulled, and the handle drives the limit plate to move away from the connecting column. At the same time, the connecting plate compresses the spring, and the two side walls of the limit plate slide in the slide groove. The staff continues to pull the handle to make the limit plate disengage from the slide groove. At this time, the limit plate has rotation space, and the staff turns the handle to make the handle drive the limit plate to rotate 90 degrees. At this time, the side wall of the limit plate corresponds to the card slot position, and then the handle is released, and the spring rebounds. The force drives the limit plate to reset, and the end of the limit plate is snapped into the slot, and the positioning column is now located inside the driving slot, so that the position of the positioning column is limited by the limit plate of the slot, and then the anchor body can be inserted into the connecting slot, and then the handle is pulled again to make the handle drive the limit plate to disengage from the slot, and at the same time the connecting plate compresses the spring, and then the handle is turned again to make the handle drive the limit plate to rotate 90 degrees, and the limit plate corresponds to the slide slot, and the handle is released. The rebound force of the spring drives the limit plate to reset, so that the two side walls of the limit plate slide into the slide slot, and then the positioning column is snapped into the positioning slot, so that the anchor body can be quickly installed.

[0010] The handle surface is provided with anti-slip threads to prevent hands from slipping.

[0011] Baffles are arranged on the upper and lower sides of the limit plate to improve the stability of the limit plate.

[0012] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0013] 1. When the utility model is used, when the staff needs to install the anchor body, they pull the handles on both sides in turn, and the handles drive the limit plate to move in the direction away from the connecting column. The limit plate drives the connecting plate to move synchronously through the connecting rod, and the connecting plate compresses the spring. At the same time, the connecting plate drives the positioning column to disengage from the connecting groove and enter the driving groove. Then, the position of the limit plate is limited by the limit assembly, so that the positioning column stays in the driving groove. After the positioning columns on both sides are separated from the connecting groove and limited, the anchor body is inserted into the connecting groove, and the positioning grooves on both sides of the anchor body are aligned with the positioning columns. The retaining plate is in the position of the anchor body, and the retaining plate is pushed back into the positioning groove, so that the two positioning columns can be fixed to the anchor body. When the anchor body needs to be disassembled, the handle is pulled again to disengage the positioning column from the positioning groove, so that the positioning column cancels the fixation of the anchor body, and then the anchor body can be taken out of the connecting groove, so that the two positioning columns and the limit assembly can cooperate with each other to quickly disassemble and assemble the anchor body, and the disassembly and assembly process is more convenient, which greatly improves the work efficiency.

[0014] 2. When the utility model is in use, the cross-sectional area of the connecting plate is larger than that of the through hole on the inner wall of the driving groove. The connecting plate can prevent the positioning column from disengaging from the driving groove and improve the stability of the positioning column.

[0015] 3. When the utility model is in use, the staff rotates the handle to drive the limiting plate to rotate 90 degrees. At this time, the side wall of the limiting plate corresponds to the position of the clamping groove. Then, the handle is released, and the resilience of the spring drives the limiting plate to reset. The end of the limiting plate is clamped into the clamping groove, and at this time, the positioning column is located inside the driving groove. Thus, the position of the positioning column is limited by the limitation of the limiting plate through the clamping groove. Then, the anchor body can be inserted into the connecting groove. Subsequently, the handle is pulled again to drive the limiting plate to disengage from the inside of the clamping groove. At the same time, the connecting plate compresses the spring. Then, the handle is rotated again to drive the limiting plate to rotate 90 degrees. The limiting plate corresponds to the inside of the sliding groove. The handle is released, and the resilience of the spring drives the limiting plate to reset, enabling the two side walls of the limiting plate to slide into the inside of the sliding groove, and further enabling the positioning column to be clamped into the positioning groove, so that the anchor body can be quickly installed.

[0016] 4. When the utility model is in use, the surface of the handle is provided with anti-slip threads to prevent the hand from slipping. Description of the Drawings

[0017] Figure 1 is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 is an enlarged schematic diagram of the structure at the limiting sleeve of the utility model;

[0019] Figure 3 is a front view sectional view inside the driving groove of the utility model;

[0020] Figure 4 is a sectional view of the internal structure of the connecting column of the utility model;

[0021] Figure 5 is an enlarged schematic diagram of the structure at position A of the utility model.

[0022] Description of the reference numerals: 100, connecting column; 101, connecting groove; 102, driving groove; 103, spring; 104, connecting plate; 105, positioning column; 106, connecting rod; 107, limiting plate; 108, handle; 109, baffle; 200, connecting pipe; 300, anchor body; 301, positioning groove; 400, limiting sleeve; 401, sliding groove; 402, clamping groove. Detailed Description of the Embodiment

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will combine the accompanying drawings of the embodiments of the present utility model Figures 1-4, the technical solutions of the embodiments of the present utility model are described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model.

[0024] According to an embodiment of the present utility model, as Figure 1 , Figure 3 and Figure 5As shown in the figure: This embodiment provides a safety protection type prestressed anchor, which includes a connecting column 100 and an anchor body 300. A connecting pipe 200 is arranged at the upper end of the connecting column 100. A connecting groove 101 is opened inside the connecting column 100. The anchor body 300 is inserted into the connecting groove 101. Driving grooves 102 are opened on both sides inside the connecting column 100. Springs 103 are arranged in the driving grooves 102, and springs 103 are also arranged inside the driving grooves 102. One end of the spring 103 is provided with a connecting plate 104. A positioning column 105 is arranged on the surface of the connecting plate 104. Through holes are opened on the inner wall of the driving groove 102 corresponding to the position of the positioning column 105. The positioning column 105 penetrates through the through holes on the inner wall of the driving groove 102, and the cross-section of the positioning column 105 is adapted to the cross-section of the through holes of the driving groove 102. Positioning grooves 301 are opened on both sides of the anchor body 300 corresponding to the position of the positioning column 105. The end of the positioning column 105 is inserted into the positioning groove 301. A connecting rod 106 is fixed on the other side of the connecting plate 104. The end of the connecting rod 106 penetrates through the inner wall of the driving groove 102 and extends to the outside of the connecting column 100. A limiting plate 107 is arranged at the end of the connecting rod 106. A handle 108 is arranged on the surface of the limiting plate 107. A limiting component for limiting the positioning column 105 is arranged on the surface of the connecting column 100. When the staff needs to install the anchor body 300, pull the handles 108 on both sides in sequence. The handle 108 drives the limiting plate 107 to move away from the connecting column 100. The limiting plate 107 drives the connecting plate 104 to move synchronously through the connecting rod 106. The connecting plate 104 compresses the spring 103. At the same time, the connecting plate 104 drives the positioning column 105 to disengage from the connecting groove 101 and enter the inside of the driving groove 102. Subsequently, the position of the limiting plate 107 is limited by the limiting component, so that the positioning column 105 stays inside the driving groove 102. When the positioning columns 105 on both sides are disengaged from the connecting groove 101 and limited, insert the anchor body 300 into the connecting groove 101, and align the positioning grooves 301 on both sides of the anchor body 300 with the position of the positioning column 105. Then, cancel the limitation of the two limiting plates 107 in sequence through the limiting component, so that the spring 103 has a space for rebound. The resilience of the spring 103 pushes the connecting plate 104 to reset. The connecting plate 104 pushes the positioning column 105 to be clamped into the positioning groove 301, so that the two positioning columns 105 fix the anchor body 300. When it is necessary to disassemble the anchor body 300, pull the handle 108 again to make the positioning column 105 disengage from the positioning groove 301, cancel the fixation of the positioning column 105 on the anchor body 300, and then the anchor body 300 can be taken out of the connecting groove 101. Thus, the anchor body 300 can be quickly disassembled and assembled through the mutual cooperation of the two positioning columns 105 and the limiting component. The disassembly and assembly process is more convenient, greatly improving the work efficiency; the cross-sectional area of the connecting plate 104 is larger than the cross-sectional area of the through holes on the inner wall of the driving groove 102. The connecting plate 104 can prevent the positioning column 105 from disengaging from the driving groove 102, improving the stability of the positioning column 105;The inner wall of the positioning groove 301 is provided with a rubber pad, which can provide shock absorption and buffering when the anchor body 300 vibrates, thereby preventing damage to the positioning column 105 and improving the service life of the device;

[0025] According to another embodiment of the present invention, Figure 2 , Figure 4 and Figure 5 As shown in the figure, the limiting assembly includes a limiting sleeve 400 arranged on the outer wall of the connecting frame, and the upper and lower sides of the limiting sleeve 400 are provided with a slide groove 401, and the two sides of the limiting plate 107 are slidably arranged in the slide groove 401. The left and right sides of the limiting sleeve 400 are provided with a card slot 402. When the anchor body 300 needs to be installed, the handle 108 is pulled, and the handle 108 drives the limiting plate 107 to move away from the connecting column 100, and at the same time, the connecting plate 104 compresses the spring 103, and the limiting plate 107 is moved away from the connecting column 100. The two side walls of 07 slide in the slide groove 401, and the staff continues to pull the handle 108 to make the limit plate 107 disengage from the slide groove 401. At this time, the limit plate 107 has a rotation space. The staff turns the handle 108 to make the handle 108 drive the limit plate 107 to rotate 90 degrees. At this time, the side wall of the limit plate 107 corresponds to the position of the slot 402. Then the handle 108 is released, and the rebound force of the spring 103 drives the limit plate 107 to reset, and the end of the limit plate 107 is snapped into the slot 402. The positioning column 105 is located in the driving groove 102 at this time, so that the position of the positioning column 105 is limited by the limit plate 107 through the card slot 402, and then the anchor body 300 can be inserted into the connecting groove 101, and then the handle 108 is pulled again, so that the handle 108 drives the limit plate 107 to be separated from the card slot 402, and at the same time the connecting plate 104 compresses the spring 103, and then the handle 108 is turned again, so that the handle 108 drives the limit plate 107 to rotate 9 0 degrees, the limit plate 107 corresponds to the slide groove 401, the handle 108 is released, and the rebound force of the spring 103 drives the limit plate 107 to reset, so that the two side walls of the limit plate 107 slide into the slide groove 401, and then the positioning column 105 is engaged into the positioning groove 301, so that the anchor body 300 can be quickly installed; the surface of the handle 108 is provided with anti-slip threads to prevent hands from slipping; baffles 109 are provided on the upper and lower sides of the limit plate 107 to improve the stability of the limit plate 107.

[0026] The use of this utility model:

[0027] When the anchor body 300 needs to be installed, pull the handle 108. The handle 108 drives the limit plate 107 to move away from the connecting column 100. The limit plate 107 drives the connecting plate 104 to move synchronously through the connecting rod 106. The connecting plate 104 compresses the spring 103. At the same time, the connecting plate 104 drives the positioning column 105 to disengage from the connecting groove 101 and enter the inside of the driving groove 102. The staff continuously pulls the handle 108 to make the limit plate 107 disengage from the sliding groove 401. At this time, the limit plate 107 has a rotation space. The staff rotates the handle 108 so that the limit plate 107 rotates 90 degrees and corresponds to the position of the clamping groove 402. Release the handle 108. The resilience of the spring 103 drives the limit plate 107 to reset. The end of the limit plate 107 is clamped into the clamping groove 402. And at this time, the positioning column 105 is located inside the driving groove 102. Thus, by limiting the limit plate 107 through the clamping groove 402, the position of the positioning column 105 is limited. Then, the anchor body 300 can be inserted into the connecting groove 101, and the positioning grooves 301 on both sides of the anchor body 300 are aligned with the position of the positioning column 105. Then, pull the two handles 108 in sequence. The handle 108 drives the limit plate 107 to disengage from the inside of the clamping groove 402. At the same time, the connecting plate 104 compresses the spring 103. Then, rotate the handle 108 again so that the handle 108 drives the limit plate 107 to rotate 90 degrees. The limit plate 107 corresponds to the inside of the sliding groove 401. Release the handle 108. The resilience of the spring 103 drives the limit plate 107 to reset, so that the two side walls of the limit plate 107 slide into the inside of the sliding groove 401, and further the positioning column 105 is clamped into the positioning groove 301. Thus, the anchor body 300 can be quickly disassembled and assembled through the cooperation of the two positioning columns 105 and the limit sleeve 400. The disassembly and assembly process is more convenient, greatly improving the work efficiency.

[0028] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle described in the present invention, several improvements and retouches can still be made, and these improvements and retouches should also be regarded as the protection scope of the present invention.

Claims

1. A safety protection type prestressed anchor, comprising a connecting column (100) and an anchor body (300), wherein a connecting pipe (200) is arranged at the upper end of the connecting column (100), characterized in that: The connecting column (100) is provided with a connecting groove (101) inside, and the anchor body (300) is inserted and arranged in the connecting groove (101). The connecting column (100) is provided with driving grooves (102) on both sides inside, and a spring (103) is arranged in the driving groove (102). The driving groove (102) is provided with a spring (103). A connecting plate (104) is provided at one end of the spring (103). A positioning column (105) is provided on the surface of the connecting plate (104). A through hole is provided on the inner wall of the driving groove (102) and corresponds to the position of the positioning column (105). The positioning column (105) passes through the through hole on the inner wall of the driving groove (102), and the transverse direction of the positioning column (105) is The cross section is adapted to the cross section of the through hole of the driving groove (102), and positioning grooves (301) are opened on both sides of the anchor body (300) and corresponding to the position of the positioning column (105), and the end of the positioning column (105) is inserted into the positioning groove (301), and a connecting rod (106) is fixed on the other side of the connecting plate (104), and the end of the connecting rod (106) passes through the inner wall of the driving groove (102) and extends to the outside of the connecting column (100), and a limiting plate (107) is provided at the end of the connecting rod (106), and a handle (108) is provided on the surface of the limiting plate (107), and a limiting component for limiting the positioning column (105) is provided on the surface of the connecting column (100).

2. A safety protection type prestressed anchor as claimed in claim 1, characterized in that: The cross-sectional area of ​​the connecting plate (104) is larger than the cross-sectional area of ​​the through hole on the inner wall of the driving groove (102).

3. A safety protection type prestressed anchor as claimed in claim 2, characterized in that: The inner wall of the positioning groove (301) is provided with a rubber pad.

4. A safety protection type prestressed anchor as claimed in claim 3, characterized in that: The limiting assembly comprises a limiting sleeve (400) arranged on the outer wall of the connecting frame, the limiting sleeve (400) is provided with sliding grooves (401) on the upper and lower sides, the limiting plate (107) is slidably arranged on both sides of the sliding grooves (401), and the limiting sleeve (400) is provided with clamping grooves (402) on the left and right sides.

5. A safety protection type prestressed anchor as claimed in claim 4, characterized in that: The surface of the handle (108) is provided with anti-slip threads.

6. A safety protection type prestressed anchor as claimed in claim 5, characterized in that: Baffles (109) are provided on the upper and lower sides of the limiting plate (107).

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