Precast pile head cutting device

Abstract

The utility model belongs to the technical field of precast pile head cutting devices, and particularly relates to a precast pile head cutting device which comprises a base. An auxiliary cutting device is mounted on the base; a moving groove is formed in the acting surface of the lifting frame; a screw rod is rotationally mounted in the moving groove; a movable block is mounted outside the section of the screw rod in a sleeving manner; a telescopic mechanism is mounted on the side surface of the connecting seat; cutting equipment is mounted at the end part of the telescopic rod; a cut-off tool is mounted on the cut-off equipment; a lifting mechanism is mounted in the mounting groove; a graduated scale is arranged in the lifting hole; a sliding cavity is formed in the vertical surface of the fixed plate; a protection plate is arranged in the sliding cavity; through the action of the auxiliary cutting device, the cutting effect on precast pile heads of different heights and sizes is achieved, different operation requirements are met, and the phenomenon that chippings splash in the stage process is avoided.

Description

Technical Field

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

[0002] The precast pile head cutting device is a tool or device used to cut off the precast pile head. It is usually used in on-site construction. When the precast pile body has been installed to the designed depth, the pile head needs to be cut off or cleaned for subsequent construction work.

[0003] A Chinese patent with publication number CN214460387U discloses a prefabricated pipe pile head processing structure, including a pile head, a positive electrode fixing disk fixedly installed on the outer surface of the pile head near the upper edge, a negative electrode fixing disk fixedly installed below the positive electrode fixing disk, fixing blocks fixedly installed on the upper surfaces of the positive electrode fixing disk and the negative electrode fixing disk, a motor box fixedly installed on one side of the positive electrode fixing disk, and a protective shell fixedly installed on one side of the motor box. The prefabricated pipe pile head processing structure described in the utility model electrically connects the No. 1 slide groove and the No. 2 slide groove and the slide column provided by the positive electrode fixing disk and the negative electrode fixing disk, so that the motor box is powered and the weight of the motor box is reduced, thereby solving the problem of excessive load affecting its service life. The protective shell and the rotating rod are provided, and the fitting spring allows the gear to always cut the pile head. When using, you only need to hold the rotating rod, thereby solving the problem of high risk of use due to difficulty in operation.

[0004] When the above-mentioned prefabricated pipe pile head processing structure is in use, the cut cross-section surface will be inclined, which affects the subsequent connection between prefabricated piles. In addition, for prefabricated piles of different sizes and heights, the positions to be cut are different, which limits the operating range of the prefabricated pile head cutting device, makes the operation inconvenient, and affects the operating efficiency of the cutting device. In addition, during the cutting process, debris splashes and affects the cutting operation. Therefore, a prefabricated pile head cutting device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of prefabricated pile head cutting devices, the utility model provides a prefabricated pile head cutting device.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a prefabricated pile head cutting device described in the utility model comprises a base; support devices are installed at the four corners of the bottom of the base; a moving mechanism is installed on the bottom end surface of the base; an auxiliary cutting device is installed on the base; the auxiliary cutting device comprises a lifting frame; a lifting frame is installed on one side of the top of the base; a moving groove is opened on the action surface of the lifting frame; a screw is rotatably installed inside the moving groove; a power device is installed on the vertical surface of the lifting frame away from the action surface; the action end of the structural member of the power device is connected to the screw;

[0007] A moving block is sleeved and installed on the outside of the cross-section of the screw rod; a connecting seat is fixedly connected to the moving block; a telescopic mechanism is installed on the side of the connecting seat; a telescopic rod is installed on the active end of the telescopic mechanism; a cutting device is installed on the end of the telescopic rod; a cutting tool is installed on the cutting device; mounting grooves are provided at both ends of the top of the base; a lifting mechanism is installed inside the mounting groove; a lifting rod is installed on the top of the lifting mechanism; the top of the lifting rod is connected to the bottom end face of the lifting frame; the cutting effect of precast piles of different sizes and heights is achieved.

[0008] Preferably, a lifting hole is formed through a corner of the bottom end surface of the lifting frame; a scale is provided inside the lifting hole; the bottom of the scale is fixedly connected to the top end surface of the base; and the lifting frame can be precisely adjusted.

[0009] Preferably, a sliding groove is provided on the vertical inner wall surface of the movable groove; a sliding block is provided inside the sliding groove; an end of the sliding block is fixedly connected to the body of the movable block; so that the movable block can move smoothly.

[0010] Preferably, when the telescopic rod is retracted to the shortest distance, the cutting device is located inside the movable groove, thereby ensuring the smooth operation of the entire cutting mechanism.

[0011] Preferably, fixed plates are fixedly connected to the vertical surfaces on both sides of the lifting frame; a sliding cavity is opened on the vertical surface of the fixed plate; the sliding cavity runs through the body of the fixed plate; a protective plate is arranged inside the sliding cavity; the effect of debris splashing is avoided.

[0012] Preferably, limit holes are provided on the upper and lower end surfaces of the inner wall of the sliding cavity; the end of the limit hole away from the opening of the movable groove is connected to the outside; the end of the protective plate close to the power device is fixedly connected to the limit block; so that the protective plate can operate smoothly.

[0013] The utility model is beneficial in that:

[0014] The utility model adopts the structural design of the auxiliary cutting device, utilizes the supporting device and the moving mechanism, moves the cutting device to a suitable position, and according to the working position to be cut off, starts the lifting mechanism in the installation groove, and the lifting rod pushes the lifting frame to move upward, observes the moving position of the scale at the bottom of the lifting hole, and makes the lifting frame move to a suitable position, then starts the telescopic mechanism, and the telescopic rod pushes the cutting device and the cutting tool to move toward the pile head. At the same time, starts the power device, the screw rod in the moving groove rotates, and the moving block drives the connecting seat to move. Under the cooperation of the sliding groove and the sliding block, the moving block drives the cutting device and the cutting tool to move back and forth, so as to achieve the cutting effect on the pile heads of prefabricated piles of different heights and sizes, and meet different working requirements. The utility model has a simple structure and is easy to operate. In addition, a pulling force is applied to the protective plate, and the protective plate slides along the sliding cavity. When the limiting hole and the limiting block cooperate to work, the phenomenon of debris splashing during the stage process is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural diagram;

[0017] Figure 2 is a schematic diagram of the structure of the lifting frame;

[0018] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4 It is a schematic diagram of the structure of the fixed plate.

[0020] In the figure: 1. base; 2. supporting device; 3. moving mechanism; 401. lifting frame; 402. moving groove; 403. screw; 404. moving block; 405. connecting seat; 406. telescopic mechanism; 407. telescopic rod; 408. cutting device; 409. cutting tool; 410. sliding groove; 411. sliding block; 412. mounting groove; 413. lifting mechanism; 414. lifting rod; 415. lifting hole; 416. scale; 417. fixing plate; 418. sliding cavity; 419. limiting hole; 420. protective plate; 421. limiting block; 422. power device. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, a prefabricated pile head cutting device comprises a base 1; support devices 2 are installed at the four corners of the bottom of the base 1; a moving mechanism 3 is installed on the bottom end surface of the base 1; an auxiliary cutting device is installed on the base 1; the auxiliary cutting device comprises a lifting frame 401; a lifting frame 401 is installed on one side of the top of the base 1; a moving groove 402 is opened on the action surface of the lifting frame 401; a screw rod 403 is rotatably installed inside the moving groove 402; a power device 422 is installed on the vertical surface of the lifting frame 401 away from the action surface; the action end of the structural member of the power device 422 is connected to the screw rod 403;

[0023] A moving block 404 is sleeved and installed on the cross section of the screw rod 403; a connecting seat 405 is fixedly connected to the moving block 404; a telescopic mechanism 406 is installed on the side of the connecting seat 405; a telescopic rod 407 is installed on the active end of the telescopic mechanism 406; a cutting device 408 is installed on the end of the telescopic rod 407; a cutting tool 409 is installed on the cutting device 408; mounting grooves 412 are provided at both ends of the top of the base 1; a lifting mechanism 413 is installed inside the mounting groove 412; a lifting rod 414 is installed on the top of the lifting mechanism 413; the lifting rod 414 The top of the lifting frame 401 is connected to the bottom end face of the lifting frame 401; a lifting hole 415 is formed through a corner of the bottom end face of the lifting frame 401; a scale 416 is arranged inside the lifting hole 415; the bottom of the scale 416 is fixedly connected to the top end face of the base 1; a sliding groove 410 is formed on the vertical inner wall of the moving groove 402; a sliding block 411 is arranged inside the sliding groove 410; the end of the sliding block 411 is fixedly connected to the body of the moving block 404; when the telescopic rod 407 is retracted to the shortest distance, the cutting device 408 is located inside the moving groove 402;

[0024] When working, the precast pile head cutting device is a tool or equipment used to cut off the precast pile head. When the precast pipe pile head processing structure is in use, the cut surface will be tilted, which affects the connection between the subsequent precast piles, and for precast piles of different sizes and heights, the positions to be cut are different, which limits the operating range of the precast pile head cutting device, makes the operation inconvenient, and affects the operating efficiency of the cutting device. The present application acts through the auxiliary cutting device, uses the supporting device 2 and the moving mechanism 3, moves the cutting device to a suitable position, and starts the lifting mechanism 413 inside the installation groove 412 according to the operating position to be cut, and the lifting rod 414 pushes the lifting frame 401 Move upward, observe the moving position of the scale 416 at the bottom of the lifting hole 415, so that the lifting frame 401 moves to a suitable position, then start the telescopic mechanism 406, the telescopic rod 407 pushes the cutting device 408 and the cutting tool 409 to move toward the pile head, and at the same time, start the power device 422, the screw 403 inside the moving groove 402 rotates, and the moving block 404 drives the connecting seat 405 to move. Under the cooperation of the sliding groove 410 and the sliding block 411, the moving block 404 drives the cutting device 408 and the cutting tool 409 to move back and forth, so as to achieve the cutting effect on the pile heads of prefabricated piles of different heights and sizes, meet different operation requirements, simple structure, easy operation,

[0025] A fixed plate 417 is fixedly connected to both vertical surfaces of the lifting frame 401; a sliding cavity 418 is provided on the vertical surface of the fixed plate 417; the sliding cavity 418 penetrates the body of the fixed plate 417; a protective plate 420 is provided inside the sliding cavity 418; limiting holes 419 are provided on the upper and lower end surfaces of the inner wall of the sliding cavity 418; the end of the limiting hole 419 away from the opening of the moving groove 402 is connected to the outside; the end of the protective plate 420 close to the power device 422 is fixedly connected to the limiting block 421;

[0026] During operation, a pulling force is applied to the protective plate 420, and the protective plate 420 slides along the sliding cavity 418. When the limiting hole 419 and the limiting block 421 cooperate with each other, the phenomenon of debris splashing during the stage process is avoided.

[0027] Working principle: The precast pile head cutting device is a tool or equipment used to cut off the precast pile head. It is usually used in on-site construction. When the pile body of the precast pile has been installed to the designed depth, the pile head part needs to be cut off or cleaned for subsequent construction work; when the above-mentioned precast pipe pile head processing structure is in use, the cut cross-section will be tilted, which affects the connection between subsequent precast piles, and for precast piles of different sizes and heights, the positions to be cut are different, which limits the operating range of the precast pile head cutting device, makes operation inconvenient, affects the operating efficiency of the cutting device, and during the cutting process, debris splashes and affects the cutting operation. The present application acts through an auxiliary cutting device, uses the support device 2 and the moving mechanism 3, moves the cutting device to a suitable position, and according to the working position to be cut, starts the lifting mechanism 413 inside the installation groove 412, and the lifting rod 414 pushes the lifting frame 401 to move upward, and observes the scale 416. The moving position at the bottom of the lifting hole 415 makes the lifting frame 401 move to a suitable position, and then the telescopic mechanism 406 is started, and the telescopic rod 407 pushes the cutting device 408 and the cutting tool 409 to move toward the pile head. At the same time, the power device 422 is started, the screw 403 inside the movable groove 402 rotates, and the movable block 404 drives the connecting seat 405 to move. Under the cooperation of the sliding groove 410 and the sliding block 411, the movable block 404 drives the cutting device 408 and the cutting tool 409 to move back and forth, so as to achieve the cutting effect on the pile heads of prefabricated piles of different heights and sizes, meet different operation requirements, have a simple structure, and are easy to operate. In addition, a pulling force is applied to the protective plate 420, and the protective plate 420 slides along the sliding cavity 418. When the limiting hole 419 and the limiting block 421 cooperate to operate, the phenomenon of debris splashing during the stage process is avoided.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A precast pile head cutting device, comprising a base (1); support devices (2) are installed at the four corners of the bottom of the base (1); a moving mechanism (3) is installed on the bottom end surface of the base (1); an auxiliary cutting device is installed on the base (1); the characteristics are: The auxiliary cutting device comprises a lifting frame (401); the lifting frame (401) is installed on one side of the top of the base (1); a moving groove (402) is provided on the action surface of the lifting frame (401); a screw (403) is rotatably installed inside the moving groove (402); a power device (422) is installed on the vertical surface of the lifting frame (401) away from the action surface; the action end of the structural member of the power device (422) is connected to the screw (403); A moving block (404) is sleeved and installed on the outside of the cross section of the screw rod (403); a connecting seat (405) is fixedly connected to the moving block (404); a telescopic mechanism (406) is installed on the side of the connecting seat (405); a telescopic rod (407) is installed on the active end of the telescopic mechanism (406); a cutting device (408) is installed on the end of the telescopic rod (407); a cutting tool (409) is installed on the cutting device (408); mounting grooves (412) are provided at both ends of the top of the base (1); a lifting mechanism (413) is installed inside the mounting groove (412); a lifting rod (414) is installed on the top of the lifting mechanism (413); the top of the lifting rod (414) is connected to the bottom end surface of the lifting frame (401).

2. A precast pile head cutting device according to claim 1, characterized in that: A lifting hole (415) is provided through a corner of the bottom end surface of the lifting frame (401); a scale (416) is provided inside the lifting hole (415); and the bottom of the scale (416) is fixedly connected to the top end surface of the base (1).

3. A precast pile head cutting device according to claim 2, characterized in that: A sliding groove (410) is provided on the vertical inner wall surface of the movable groove (402); a sliding block (411) is provided inside the sliding groove (410); and the end of the sliding block (411) is fixedly connected to the body of the movable block (404).

4. A precast pile head cutting device according to claim 3, characterized in that: When the telescopic rod (407) is retracted to the shortest distance, the cutting device (408) is located inside the moving groove (402).

5. A precast pile head cutting device according to claim 4, characterized in that: A fixing plate (417) is fixedly connected to both vertical surfaces of the lifting frame (401); a sliding cavity (418) is provided on the vertical surface of the fixing plate (417); the sliding cavity (418) passes through the body of the fixing plate (417); and a protective plate (420) is provided inside the sliding cavity (418).

6. A precast pile head cutting device according to claim 5, characterized in that: Limiting holes (419) are provided on the upper and lower end surfaces of the inner wall of the sliding cavity (418); the end of the limiting hole (419) away from the opening of the movable groove (402) is connected to the outside; and the end of the protective plate (420) close to the power device (422) is fixedly connected to the limiting block (421).

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