Auxiliary support for pile head girdling

Abstract

The utility model discloses an auxiliary support for pile head girdling. The auxiliary support comprises a supporting frame body, a fixing assembly and a movable adjusting piece. The supporting frame body is used for being arranged on the outer side of the pile head in a sleeving mode, and a sliding groove is formed in the supporting frame body; the fixing assembly comprises a bearing plate; a sliding block slidably connected into the sliding groove is fixed to the lower end of the bearing plate. A plurality of convex blocks are arranged on the bearing plate; the movable adjusting part comprises a fixing plate, a lower extending block and a limiting screw rod, the fixing plate is connected to the protruding block in a sliding mode, the lower end of the fixing plate is connected with the lower extending block, the lower end of the lower extending block penetrates through the bearing plate and is connected to the bearing plate through the limiting screw rod, and the movable adjusting part is used for installing a cutting machine. The pile head girdling device has the advantages that the technical problems that in the prior art, a pile head girdling device is low in pile head girdling efficiency and poor in stability in the girdling process, the consistent depth of girdling notches cannot be guaranteed, and the pile head breaking quality is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a pile head ring cutting auxiliary bracket. Background Art

[0002] Cast-in-place piles are a common form of foundation piles. The construction steps are roughly as follows: use a pile driver to drill holes and use mud to protect the wall until the bottom of the hole is reached, then lower the steel cage, and then insert the guide tube and pour concrete. During the construction of cast-in-place piles, the normal pile top elevation should be at the bottom of the foundation pit, with a certain height difference from the construction surface; however, when pouring, in order to avoid under-pouring, over-pouring is generally carried out, and the over-pouring height generally exceeds the bottom of the foundation pit by 0.5-1.0m;

[0003] In Chinese patent application document CN115522547A, "a double-blade annular cutting device for breaking pile heads" is proposed. The device includes a base, the main body of the base is a rectangular structure, and a handle is installed on the top surface of the base, and a vacuum cleaner is installed on the left side of the base. There are two vacuum cleaners in total, which solves the problem that the existing pile head cannot be quickly cut when the pile head is dismantled, which leads to a decrease in the crushing efficiency of the pile head, and when the pile head is damaged, it is mostly operated manually by hand, which makes it have limitations when cutting; although the device can perform circumferential cutting on the pile head, the stability is poor during the circumferential cutting process, and the depth of the circumferential cutting incision cannot be guaranteed to be consistent, which reduces the breaking quality of the pile head. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and provide a pile head ring cutting auxiliary bracket to solve the technical problem that the pile head ring cutting device in the prior art has low ring cutting efficiency for the pile head and poor stability during the ring cutting process, and cannot ensure the consistency of the ring cutting incision depth, resulting in reduced quality of pile head breaking.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a pile head circumcision auxiliary bracket, comprising:

[0007] A support frame, which is used to be sleeved on the outside of the pile head, and a slide groove is opened on the support frame;

[0008] A fixing assembly, comprising a bearing plate; a slider slidably connected in a slide groove is fixed to the lower end of the bearing plate; a plurality of protrusions are arranged on the bearing plate; and,

[0009] The movable adjustment member includes a fixed plate, a lower extension block and a limit screw. The fixed plate is slidably connected to the protrusion, and the lower end of the fixed plate is connected to the lower extension block. The lower end of the lower extension block passes through the supporting plate and is connected to the supporting plate through the limit screw. The movable adjustment member is used to install the cutting machine.

[0010] In some embodiments, the support frame includes a first frame and a second frame, the first frame and the second frame are both semicircular frames, and the first frame and the second frame are both provided with sliding grooves.

[0011] In some embodiments, the lower ends of the first frame and the second frame are both connected to a retractable support, the retractable support includes a cylinder and a support rod, the support rod is connected to the cylinder by bolts, and a plurality of holes are formed on the support rod.

[0012] In some embodiments, a connection block is fixed to the lower end of each of the first frame and the second frame, and the connection blocks are connected by external bolts.

[0013] In some embodiments, a limiting block is also fixed to the lower end of the supporting plate, and the limiting block is used to fit on the outer periphery of the supporting frame.

[0014] In some embodiments, the number of the protrusions is two, a movable hole is opened between the two protrusions, and a slideway is provided on any one of the protrusions, and the fixing plate is slidably connected to the slideway.

[0015] In some embodiments, a scale is disposed on one side of the supporting plate close to the protrusion.

[0016] In some embodiments, a sliding groove cooperating with the slideway is formed on the fixing plate, the lower extension block passes through the movable hole, and a screw hole is formed on the upper surface of the lower extension block, and a limiting bolt is connected to the inner thread of the screw hole.

[0017] In some embodiments, the cutting machine includes a frame, a motor and a cutting head; the frame is fixed to the fixing plate, the motor is fixed to the frame, and the cutting head is connected to the output end of the motor.

[0018] In some embodiments, the frame is an n-shaped frame, and one end of the cutting blade extends to the outside of the frame.

[0019] Compared with the prior art, the utility model provides a pile head ring cutting auxiliary bracket, by arranging a supporting frame body at the periphery of the pile head, and slidingly connecting the carrying plate in the sliding groove through a sliding block, so that the carrying plate can rotate circumferentially on the supporting frame body, wherein a plurality of protrusions are arranged on the upper end of the carrying plate, and a fixing plate is slidably connected on the protrusion, and the fixing plate can move axially on the protrusion, thereby adjusting the distance between the fixing plate and the pile head, and a lower extension block is fixed at the lower end of the fixing plate, and the lower extension block passes through the fixing plate, and the fixing plate is limited by a limiting screw to be fixed on the supporting plate. Since a cutting machine is installed on the fixing plate, when the position of the fixing plate is adjusted, the cutting machine is started, and the carrying plate is pushed to rotate circumferentially on the supporting frame body, thereby completing the cutting of the pile head surface. The device is simple to operate, and has stronger stability during the cutting process, and the incision depth consistency is high, which is convenient for ensuring the subsequent pile head breaking quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a side schematic diagram of a pile head circumcision auxiliary bracket provided by an embodiment of the utility model;

[0021] Figure 2 A top view of a pile head circumcision auxiliary bracket provided by an embodiment of the utility model;

[0022] Figure 3 A schematic structural diagram of a cutting machine for a pile head ring cutting auxiliary bracket provided by an embodiment of the utility model;

[0023] Figure 4 A schematic diagram of the structure of a movable adjustment member of a pile head ring cutting auxiliary bracket provided by an embodiment of the utility model;

[0024] Figure 5 A schematic diagram of the assembly of the pile head circumcision auxiliary bracket provided by the embodiment of the utility model;

[0025] Figure 6 The pile head ring cutting auxiliary bracket provided by the utility model embodiment Figure 5 Enlarged schematic diagram at point A in the middle.

[0026] Explanation of the accompanying drawings: 1. Support frame; 11. First frame; 12. Second frame; 13. Slide groove; 14. Retractable support; 141. Cylinder; 142. Support rod; 15. Connecting block; 2. Fixed assembly; 21. Load-bearing plate; 211. Sliding block; 212. Limiting block; 22. Bump; 221. Slideway; 23. Scale; 24. Movable hole; 3. Movable adjustment member; 31. Fixed plate; 311. Sliding groove; 32. Lower extension block; 321. Screw hole; 33. Limiting screw; 4. Cutting machine; 41. Frame; 42. Motor; 43. Cutting head. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] In order to solve the technical problem that the pile head ring cutting device in the prior art has low ring cutting efficiency for the pile head, poor stability during the ring cutting process, and cannot ensure the consistency of the ring cutting incision depth, resulting in reduced pile head breaking quality, the utility model provides a pile head ring cutting auxiliary bracket, which can achieve the technical effect of improving the cutting quality, ensuring the consistent and smooth ring cutting incision depth, and improving the pile head breaking quality.

[0029] It should be noted that the pile head ring cutting device described in the utility model is used for but not limited to construction, etc. For the convenience of explanation, in the utility model, only the application of the pile head ring cutting device in the construction field is used as an example for explanation, and the principle of applying the pile head ring cutting device to other types of equipment is essentially the same as the principle applied to the equipment in the construction field, which will not be repeated here.

[0030] See also Figure 1 , Figure 1 This is a structural schematic diagram of a pile head ring cutting device in an embodiment of the utility model. The pile head ring cutting device includes a support frame 1, a fixed component 2 and a movable adjustment member 3; the support frame 1 is used to be sleeved on the outside of the pile head, and a slide groove 13 is opened on the support frame 1; the fixed component 2 includes a bearing plate 21; a slider 211 slidably connected in the slide groove 13 is fixed to the lower end of the bearing plate 21; a plurality of protrusions 22 are arranged on the bearing plate 21; and a movable adjustment member 3 includes a fixed plate 31, a lower extension block 32 and a limiting screw 33, the fixed plate 31 is slidably connected to the protrusion 22, and the lower end of the fixed plate 31 is connected to the lower extension block 32, the lower end of the lower extension block 32 passes through the bearing plate 21, and is connected to the bearing plate 21 through the limiting screw 33, and the movable adjustment member 3 is used to install the cutting machine 4.

[0031] The support frame 31 is provided with a plurality of protrusions 22 on the upper end of the support frame 21, and the slideway 221 is connected to the fixing plate 31, and the fixing plate 31 can move axially on the protrusion 22, so as to adjust the distance between the fixing plate 31 and the pile head. The lower end of the fixing plate 31 is fixed with a lower extension block 32, which passes through the fixing plate 31 and limits the fixing plate 31 by the limiting screw 33, so that it is fixed on the supporting plate 21. Since the cutting machine 4 is installed on the fixing plate 31, when the position of the fixing plate 31 is adjusted, the cutting machine 4 is started, and the supporting plate 21 is pushed to rotate circumferentially on the support frame 1, so as to complete the cutting of the pile head surface. The device is simple to operate, has stronger stability during the cutting process, and has high consistency in the incision depth, which is convenient for ensuring the subsequent pile head breaking quality.

[0032] In one embodiment, see Figure 1-3 In order to improve the installation efficiency of the support frame 1, the support frame 1 includes a first frame 11 and a second frame 12. The first frame 11 and the second frame 12 are both semicircular frames, and the first frame 11 and the second frame 12 are both provided with a slide groove 13. The lower ends of the first frame 11 and the second frame 12 are connected with a retractable support 14. The retractable support 14 includes a cylinder 141 and a support rod 142. The cylinder 141 is connected with the support rod 142 by bolts. The support rod 142 is provided with a plurality of holes. The lower ends of the first frame 11 and the second frame 12 are fixed with connecting blocks 15, and the connecting blocks 15 are connected by external bolts.

[0033] In this embodiment, the first frame 11 and the second frame 12 can be made according to the actual pile size, and connecting blocks 15 are provided at the lower ends of the first frame 11 and the second frame 12, and the two connecting blocks 15 are connected by external bolts, so that the first frame 11 and the second frame 12 are spliced ​​into an annular support frame 1, and the slide grooves 13 on the first frame 11 and the second frame 12 are connected to each other to form an annular slide groove 13, which is convenient for the sliding of the bearing plate 21. In order to facilitate the adjustment of the position height of the support frame 1, a retractable support 14 is provided at the lower end of the support frame 1, wherein at least one hole is opened on the cylinder 141, and multiple holes are vertically opened on the support rod 142, and the support rod 142 is slidably connected to the inside of the cylinder 141, so that the position height of the support rod 142 can be adjusted by bolts, thereby adjusting the height of the annular support frame 1 in disguised form.

[0034] In one embodiment, see Figure 1-4In order to improve the moving efficiency of the carrying plate 21 , a limiting block 212 is fixed to the lower end of the carrying plate 21 , and the limiting block 212 is used to fit on the outer periphery of the supporting frame 1 .

[0035] In some embodiments, there are two protrusions 22, a movable hole 24 is opened between the two protrusions 22, a slide 221 is provided on any protrusion 22, a fixed plate 31 is slidably connected to the slide 221, and a scale 23 is provided on the side of the supporting plate 21 close to the protrusion 22.

[0036] In this embodiment, there are two protrusions 22, and the two protrusions 22 form a protrusion structure on the supporting plate 21, and a slide 221 is provided on any one of the protrusions 22. The slide 221 is used to cooperate with the sliding groove 311 on the fixed plate 31 to facilitate the axial movement of the fixed plate 31 on the slide 221. A scale 23 is set on the supporting plate 21 to facilitate the staff to understand the moving distance of the fixed plate 31 on the supporting plate 21, thereby understanding the moving distance of the cutting machine 4.

[0037] In one embodiment, see Figure 3-6 In order to improve the working efficiency of the cutting machine 4, a sliding groove 311 cooperating with the slideway 221 is provided on the fixing plate 31, the lower extension block 32 passes through the movable hole 24, and a screw hole 321 is provided on the lower extension block 32, and the screw hole 321 is threadedly connected with a limiting bolt. The cutting machine 4 includes a frame 41, a motor 42 and a cutting head 43; the frame 41 is fixed on the fixing plate 31, the motor 42 is fixed on the frame 41, the output end of the motor 42 is connected to the cutting head 43, the frame 41 is an n-shaped frame, and one end of the cutting head 43 extends to the outside of the frame 41.

[0038] A sliding groove 311 is provided on the fixing plate 31, so that the entire fixing plate 31 can be slidably connected to the slideway 221, so that the entire fixing plate 31 can move on the bearing plate 21, thereby adjusting the distance between the cutter 4 and the pile head, and a movable hole 24 is provided between the two protrusions 22, and a lower extension block 32 is provided at the lower end of the fixing plate 31, and the lower extension block 32 can slide in the movable hole 24, and a screw hole 321 is also provided on the lower extension block 32, and the fixing plate 31 can be limited by the cooperation of the limiting bolt and the screw hole 321, so that it cannot move on the bearing plate 21, so that the cutting machine 4 is more stable during the annular cutting process.

[0039] In order to better understand the present invention, the following Figures 1 to 6The technical solution of the utility model is described in detail: the staff first measures and lays out the pile head, and marks the periphery of the pile head with red paint, and then adjusts the position height of the cylinder 141 and the support rod 142 so that the first frame 11 and the second frame 12 are located below the mark, and penetrates the connecting block 15 through the external bolts, and splices the first frame 11 and the second frame 12 around the pile head to form an annular support frame 1, in which the bearing plate 21 is slidably connected to the slide groove 13 through the slider 211. The staff adjusts the horizontal position of the fixing plate 31 on the bearing plate 21 according to the actual depth of the required incision. The staff first removes the limiting screw 33 from the screw hole 321 of the lower extension block 32, and pushes the fixing plate 31 to slide axially in the slideway 221 on the protrusion 22, and drives the entire cutting machine 4 to close Near the pile head, when the position of the fixing plate 31 is adjusted, the limiting screw 33 is threadedly connected to the screw hole 321 again, and the fixing plate 31 is limited by the limiting screw 33, so that it cannot move horizontally on the bearing plate 21. At this time, the staff starts the motor 42, and the motor 42 drives the cutting head 43 to operate and push the bearing plate 21 to move in a circle on the support frame 1. The cutting head 43 is used to cut the pile head mark position in a circular direction. After the cutting is completed, a pneumatic pick is used to chisel out the V-groove from top to bottom along the pile head to peel off the concrete, and then the pile head steel bars are peeled off. The main steel bars are peeled off from top to bottom along the pile head by a pneumatic pick. After all the steel bars are removed, a pneumatic drill is used to drill out the broken pile holes, and a steel chisel is used to drive into each broken pile hole, and the steel chisel is repeatedly hit back and forth to break the concrete at the annular broken pile hole, and then the pile head is lifted off with a lifting equipment.

[0040] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A pile head circumcision auxiliary support, characterized in that: include: A support frame, which is used to be sleeved on the outside of the pile head, and a slide groove is opened on the support frame; A fixing assembly, comprising a bearing plate; a slider slidably connected in a slide groove is fixed to the lower end of the bearing plate; a plurality of protrusions are arranged on the bearing plate; and, The movable adjustment member includes a fixed plate, a lower extension block and a limit screw. The fixed plate is slidably connected to the protrusion, and the lower end of the fixed plate is connected to the lower extension block. The lower end of the lower extension block passes through the supporting plate and is connected to the supporting plate through the limit screw. The movable adjustment member is used to install the cutting machine.

2. A pile head circumcision auxiliary support according to claim 1, characterized in that: The support frame includes a first frame and a second frame. The first frame and the second frame are both semicircular frames, and sliding grooves are provided on the first frame and the second frame.

3. A pile head circumcision auxiliary support according to claim 2, characterized in that: The lower ends of the first frame and the second frame are both connected with a retractable support, and the retractable support comprises a cylinder and a support rod. The cylinder is connected with the support rod via bolts, and a plurality of holes are formed on the support rod.

4. The pile head circumcision auxiliary support according to claim 2, characterized in that: The lower ends of the first frame and the second frame are both fixed with connecting blocks, and the connecting blocks are connected by external bolts.

5. The pile head circumcision auxiliary support according to claim 1, characterized in that: A limiting block is also fixed at the lower end of the bearing plate, and the limiting block is used to fit on the outer periphery of the supporting frame.

6. The pile head circumcision auxiliary support according to claim 1, characterized in that: There are two protrusions, a movable hole is provided between the two protrusions, and a slideway is provided on any one of the protrusions, and the fixing plate is slidably connected to the slideway.

7. The pile head circumcision auxiliary support according to claim 6, characterized in that: A scale is arranged on one side of the carrying plate close to the protrusion.

8. The pile head circumcision auxiliary support according to claim 6, characterized in that: The fixing plate is provided with a sliding groove matched with the slideway, the lower extension block passes through the movable hole, and a screw hole is provided on the upper side of the lower extension block, and a limiting bolt is connected to the inner thread of the screw hole.

9. The pile head circumcision auxiliary support according to claim 1, characterized in that: The cutting machine comprises a frame, a motor and a cutting head; the frame is fixed on the fixing plate, the motor is fixed on the frame, and the cutting head is connected to the output end of the motor.

10. The pile head circumcision auxiliary support according to claim 9, characterized in that: The frame is an n-shaped frame, and one end of the cutting blade head extends to the outside of the frame.

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