PHC pipe pile head cutting device

Abstract

The utility model relates to the technical field of PHC pipe pile cutting, in particular to a PHC pipe pile head cutting device. The device comprises a frame, and the frame is provided with a cutting device used for cutting the PHC pipe pile head, a water spraying device used for spraying the cutting device and a guiding device used for controlling the walking direction of the frame. The cutting device comprises a cutter, a transmission rod and a driving motor, the transmission rod is fixedly connected to the cutter, the driving motor is connected with the transmission rod, the transmission rod is arranged on the frame, and the transmission rod and an output shaft of the driving motor are jointly sleeved with a transmission belt; the device can be adjusted according to the reserved length of the pile head of the PHC pile, meanwhile, the cutting efficiency of the PHC pile is improved, the PHC pipe pile can be annularly cut without clamping the PHC pipe pile, the construction cost is reduced, and meanwhile, the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PHC pipe pile cutting, in particular to a PHC pipe pile head cutting device. Background Art

[0002] PHC piles (prestressed high-strength concrete piles) have mature pile-making technology, and have the advantages of high single pile bearing capacity, wide application range, good pile sinking quality, and low engineering cost. They are widely used in foundation treatment and high-pile dock construction fields. After the PHC piles are sunk, due to different geological conditions, the top of the PHC piles is not on the same plane, and the pile head needs to be cut.

[0003] The widely used pile cutting equipment at present is the electric clamp type pile cutter, which is simple to operate, efficient and convenient, and has a good effect on cutting straight piles. However, after cutting the inclined piles, the excess part needs to be manually chiseled off to make the top of the pile in the same plane with the tops of other pipe piles, which increases the investment in labor costs and lags behind the overall progress of the project.

[0004] Chinese patent CN202320605575.0 discloses "A mobile cutting device for pipe pile heads", publication number CN219404718U, which includes a cart and a cutting assembly installed on the cart, the lower part of the cart is equipped with multiple sets of universal wheels for moving the cart and a lifting assembly for driving the cart to lift and lower, and a hand push part is installed at the rear end of the cart; the cutting assembly is installed at the front end of the cart, and the cutting assembly includes at least two sets of cutters, and the two sets of cutters are symmetrically arranged relative to the center line of the cart. However, the device has some defects: when the device is used to circumcise the head of a PHC pipe pile, the cutting assembly needs to clamp the head of the PHC pipe pile first, so the device cannot be used for PHC pipe piles with too large diameters, and the device has great limitations. Utility Model Content

[0005] In order to solve the above problems of the prior art, the utility model provides a PHC pipe pile head cutting device, which can realize the circumferential cutting of the PHC pipe pile head without clamping the PHC pipe pile.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PHC pipe pile head cutting device, comprising a frame, on which a cutting device for cutting the PHC pipe pile head, a water spraying device for spraying the cutting device, and a guiding device for controlling the walking direction of the frame are arranged; the cutting device comprises a cutter, a transmission rod fixedly connected to the cutter, and a driving motor connected to the transmission rod, the transmission rod is arranged on the frame, and a transmission belt is jointly sleeved on the output shaft of the transmission rod and the driving motor.

[0007] With the above structural design, the driving motor is started, and the transmission rod is driven to rotate through the transmission belt. The rotation of the transmission rod drives the cutter to rotate at high speed. The staff controls the cutter to cut the pile head of the PHC pile through the guide device. There is no need to install the clamp in advance, and the excess part of the pile top can be directly broken, which ensures good construction quality and high efficiency.

[0008] Preferably, a vertical plate is fixedly connected to the frame, a slide groove is provided in the vertical plate, a sliding plate matching with the slide groove slides in the sliding groove, the transmission rod is rotatably connected to the sliding plate, a positioning bolt is passed through the vertical plate, the slide groove and the sliding plate.

[0009] By adopting the above structural design, the height of the cutter can be adjusted up and down, and the cutter can be adjusted to a corresponding height according to the reserved height of the PHC pile head.

[0010] Preferably, a driving screw is threadedly provided on the sliding plate, the lower end of the driving screw is rotatably connected to the frame, and the upper end of the driving screw is fixedly connected to the rotating disk.

[0011] With the above structural design, the sliding plate is raised by rotating the driving screw rod, which saves time and effort.

[0012] Preferably, a first cylinder is sleeved on the transmission rod, and a second cylinder is fixedly connected to the output shaft of the driving motor. Grooves matching the transmission belt are provided on the first cylinder and the second cylinder. The transmission belt is sleeved on the first cylinder and the second cylinder together. A fixing bolt is passed through the first cylinder, and an internal threaded hole matching the fixing bolt is provided on the transmission rod.

[0013] With the above structural design, the grooves on the first cylinder and the second cylinder can clamp the transmission belt to prevent the transmission belt from falling off.

[0014] Preferably, the spray device comprises a water tank fixedly connected to the frame, and a drainage hose connected to the water tank, and the drainage hose is fixedly connected to the sliding plate.

[0015] With the above structural design, the drainage hose continuously sprays water to the cutter to keep it moist and take away the heat generated by the friction of the cutter.

[0016] Preferably, the guiding device comprises an inclined rod fixedly connected to the frame, a floor support fixedly connected to the inclined rod, and a universal wheel fixedly connected to the floor support, and a handle is fixedly connected to the inclined rod.

[0017] With the above structural design, the staff controls the direction of movement of the frame by means of the handle, so that the device moves along the circumference of the pipe pile to perform circumcision on the pipe pile.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1) It can be adjusted according to the reserved length of the PHC pile head, while improving the PHC pile cutting efficiency.

[0020] 2) The PHC pile can be circumcised without clamping it, which reduces the construction cost and improves the construction efficiency.

[0021] 3) Workers use the wheel to push the device to cut the pipe piles in a circular manner, which saves workers' physical energy and speeds up the construction progress; at the same time, the wheel is in contact with the ground to ensure that the cutting blade and the bottom mold surface are always parallel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of the utility model from a top view; DETAILED DESCRIPTION

[0024] See also Figure 1 , Figure 2 The utility model provides a technical solution: a PHC pile head cutting device, comprising a frame 1, on which a cutting device for cutting the PHC pile head, a water spraying device for spraying the cutting device, and a guiding device for controlling the walking direction of the frame 1 are arranged; the cutting device comprises a cutter 21, a transmission rod 22 fixedly connected to the cutter 21, and a driving motor 2 connected to the transmission rod 22, the transmission rod 22 is arranged on the frame 1, and a transmission belt 23 is jointly sleeved on the output shaft of the transmission rod 22 and the driving motor 2.

[0025] See also Figure 1 , Figure 2 The frame 1 is fixedly connected to a vertical plate 31, and a slide groove is provided in the vertical plate 31. The slide groove is along the length direction of the vertical plate 31. A sliding plate 32 matching with the vertical plate 31 slides in the slide groove. The cross section of the sliding plate 32 is T-shaped. The transmission rod 22 is rotatably connected to the sliding plate 32. A pair of bearings are coaxially welded on the sliding plate 32. The transmission rod 22 is penetrated in the bearing. A positioning bolt 33 is penetrated on the vertical plate 31. The positioning bolt 33 passes through the vertical plate 31, the slide groove, and the sliding plate 32. A plurality of positioning holes matching the positioning bolt 33 are provided along the length direction of the vertical plate.

[0026] See also Figure 1 , Figure 2 The sliding plate 32 is provided with a driving screw 4 through a thread, the lower end of the driving screw 4 is rotatably connected to the frame 1, and the upper end of the driving screw 4 is fixedly connected to the rotating disk 41.

[0027] See also Figure 1 , Figure 2A first cylinder 71 is sleeved on the transmission rod 22, and a second cylinder 72 is fixedly connected to the output shaft of the driving motor 2. The first cylinder 71 and the second cylinder 72 are both provided with grooves matching the transmission belt 23. The first cylinder 71 and the second cylinder 72 are jointly sleeved with the transmission belt 23. A fixing bolt is passed through the first cylinder 71, and a plurality of internal threaded holes matching the fixing bolts are provided on the transmission rod 22.

[0028] See also Figure 1 , Figure 2 The spray device includes a water tank 5 fixedly connected to the frame 1, a drainage hose 51 connected to the water tank 5, and the drainage hose 5 is fixedly connected to the sliding plate 32. The drainage port of the drainage hose 5 faces the cutter. As the sliding plate 32 moves up and down, the length of the drainage hose 5 should have a margin so as not to hinder the up and down movement of the sliding plate 32. A switch valve is installed on the drainage hose 51.

[0029] See also Figure 1 , Figure 2 The guiding device includes an inclined rod 6 fixedly connected to the frame 1, a floor support 61 fixedly connected to the inclined rod 6, and a universal wheel 62 fixedly connected to the floor support 61. A handle 63 is fixedly connected to the inclined rod 6, and an inclined support 64 is arranged between the inclined rod 6 and the floor support 61.

[0030] See also Figure 1 , Figure 2 The lower end of the sliding plate 32 is fixedly connected to a semicircular protective shell 8, and the protective shell is sleeved on the cutter 21.

[0031] As a further improvement of the present invention, a scale is provided on the surface of the vertical plate 31 to facilitate the staff to adjust the height of the sliding plate 32 according to the scale.

[0032] When the device is in use, the staff first measures the reserved height of the PHC pile head, then rotates the rotating disk 41 to drive the screw 4 to rotate, the sliding plate 32 rises, and according to the scale on the vertical plate 31, the sliding plate 32 is raised to the corresponding height, and then the staff inserts the positioning bolt 33 into the positioning hole of the corresponding height; next, the staff holds the handle 63, aligns the cutter 21 with the PHC pile, and then starts the motor and opens the switch valve on the drainage hose 51, and then the staff slowly approaches the PHC pile to cut, and moves along the circumference of the pile.

[0033] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0034] The present invention is described above with reference to the preferred embodiments, but the protection scope of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the protection scope of the present invention. Various improvements may be made to the present invention and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.

Claims

1. A PHC pile head cutting device, comprising a frame (1), characterized in that: The frame (1) is provided with a cutting device for cutting the head of a PHC pipe pile, a water spraying device for spraying the cutting device, and a guiding device for controlling the moving direction of the frame (1); the cutting device comprises a cutter (21), a transmission rod (22) fixedly connected to the cutter (21), and a drive motor (2) connected to the transmission rod (22); the transmission rod (22) is provided on the frame (1), and a transmission belt (23) is sleeved on the output shaft of the transmission rod (22) and the drive motor (2).

2. A PHC pile head cutting device according to claim 1, characterized in that: The frame (1) is fixedly connected to a vertical plate (31); a slide groove is provided in the vertical plate (31); a sliding plate (32) matching the vertical plate (31) slides in the slide groove; the transmission rod (22) is rotatably connected to the sliding plate (32); a positioning bolt (33) is passed through the vertical plate (31); and the positioning bolt (33) passes through the vertical plate (31), the slide groove, and the sliding plate (32).

3. A PHC pile head cutting device according to claim 2, characterized in that: A driving screw rod (4) is threadedly provided on the sliding plate (32), the lower end of the driving screw rod (4) is rotatably connected to the vehicle frame (1), and the upper end of the driving screw rod (4) is fixedly connected to the rotating disk (41).

4. A PHC pile head cutting device according to claim 1, characterized in that: The transmission rod (22) is sleeved with a first cylinder (71), the output shaft of the drive motor (2) is fixedly connected to a second cylinder (72), the first cylinder (71) and the second cylinder (72) are both provided with grooves matching the transmission belt (23), the first cylinder (71) and the second cylinder (72) are jointly sleeved with the transmission belt (23), a fixing bolt (73) is passed through the first cylinder (71), and the transmission rod (22) is provided with an internal threaded hole matching the fixing bolt (73).

5. A PHC pile head cutting device according to claim 2, characterized in that: The water spray device comprises a water tank (5) fixedly connected to the vehicle frame (1), and a drainage hose (51) connected to the water tank (5); the drainage hose (51) is fixedly connected to the sliding plate (32).

6. A PHC pile head cutting device according to claim 1, characterized in that: The guide device comprises an inclined rod (6) fixedly connected to the frame (1), a floor support (61) fixedly connected to the inclined rod (6), and a universal wheel (62) fixedly connected to the floor support (61); and a handle (63) is fixedly connected to the inclined rod (6).

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