Drilling device for civil engineering pile foundation

Abstract

The utility model discloses a drilling device for civil engineering pile foundations, which belongs to the technical field of pile foundation drilling and comprises a base, a support frame is fixedly connected to the top of the base, a hydraulic cylinder is fixed to the top of the support frame in a penetrating manner, a lifting seat is fixedly connected to the telescopic end of the hydraulic cylinder, and a motor is fixedly mounted at the bottom of the lifting seat. Dust generated in the drilling process is filtered through the dust filtering plate, compared with water spraying dust falling, dust can be continuously removed for a long time, the overall weight of the drilling device can be reduced, and the drilling device is more convenient to move; soil adhered to the bottom of an upper blade of the pile foundation drilling bit can be cleaned through the upper cutting edge, soil adhered to the axial surface of the pile foundation drilling bit can be cleaned through the shaft cutting edge, and soil adhered to the top of the upper blade of the pile foundation drilling bit can be cleaned through the lower cutting edge. And therefore, effective cleaning of the soil bonded on the pile foundation drilling bit can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pile foundation drilling technical field, concretely relates to a drilling device of civil engineering pile foundation. BACKGROUND

[0002] Civil engineering is the science and technology of building various land engineering facilities, the role of pile foundation is to transmit load to deep soil layer with good bearing capacity to meet the requirements of bearing capacity and settlement, the bearing capacity of pile foundation is high, can bear vertical load, also can bear horizontal load, can resist uplift load also can bear vibration load, is the most widely used deep foundation form, so a drilling device for civil engineering pile foundation is required.

[0003] Through the retrieval, patent CN202322260846.6 discloses a drilling device for civil engineering pile foundation, and specifically relates to the technical field of pile foundation drilling, including handle, two handles are fixedly connected with shell one on the opposite surfaces, the lower end of the shell one is fixedly connected with universal wheel at four corners, the inner cavity top wall of the shell one is fixedly connected with drilling group, the inner cavity bottom wall of the shell one is fixedly connected with cleaning group in the middle, the inner cavity bottom wall of the shell one is fixedly connected with dust fall group, the lower part of the right end of the shell one is fixedly connected with fixed group, and the lower part of the left end of the shell one is fixedly connected with fixed group.

[0004] But the applicant finds that, in the drilling process, the water in the water tank is sprayed to the surface of the drill bit through the telescopic water pipe to wet the drill bit, and the water flows to the bottom surface along the drill bit to wet the ground, so as to realize dust reduction in the drilling process, because the amount of water that the water tank can carry is limited, the drilling device cannot realize long-time drilling operation, and the water carried in the water tank also greatly increases the overall weight of the drilling device, so that the device is relatively heavy during movement. UTILITY MODEL CONTENTS

[0005] The utility model provides a drilling device for civil engineering pile foundation in view of the shortage of prior art.

[0006] The utility model realizes the following technical scheme:

[0007] A civil engineering pile drilling device, including base, the top of base is fixedly connected with support frame, the top of support frame is penetrated and is fixed with hydraulic cylinder, the telescopic end of hydraulic cylinder is fixedly connected with lifting seat, the bottom of lifting seat is fixedly arranged with motor, the rotation end of motor is fixedly connected with pile drilling bit, the inner side wall of one side of support frame is fixedly connected with tool holder, the end away from support frame of tool holder is fixedly connected with cleaning scraper, the cutting head of cleaning scraper extends to between two adjacent blades of pile drilling bit, the top of cleaning scraper is provided with upper cutting edge, the bottom of cleaning scraper is provided with lower cutting edge, the end close to pile drilling bit of cleaning scraper is provided with shaft cutting edge, the inner wall of the other side of support frame is fixedly connected with dust absorption cover, the outer wall of the other side of support frame is fixedly connected with dust removal box, dust absorption cover and dust removal box are communicated through connecting pipe, the top of dust removal box is movably inserted with dust filter plate, the rear side of dust removal box is fixedly arranged with fan, the rear side of support frame is fixedly provided with support and push, the four corner positions of base bottom are all fixed with walking wheel.

[0008] Preferably, the lower end of the dust filter plate is inserted into the groove opened in the inside bottom of the dust removal box.

[0009] Preferably, the dust filter plate is located at the rear side of the upper end of the connecting pipe, and the air inlet of the fan is communicated with the inside of the dust removal box.

[0010] Preferably, the lifting seat is symmetrically provided with guide sliding blocks on both sides, and the guide sliding blocks slide along the guide sliding grooves opened on the inner side wall of the support frame.

[0011] Preferably, the top of the inner side of the support frame on the front and rear sides of the hydraulic cylinder is symmetrically fixedly connected with a battery pack, the outer wall of the support frame above the dust removal box is fixedly arranged with a control switch, the control switch is electrically connected with the battery pack through wires, and the motor, the hydraulic cylinder and the fan are respectively electrically connected with the control switch through wires.

[0012] Preferably, the top of the base on the front and rear sides of the support frame is symmetrically screwed and penetrated with a ground drilling rod, and a through groove is opened in the base below the pile drilling bit.

[0013] Compared with the prior art, the civil engineering pile drilling device has the beneficial effects that:

[0014] The utility model discloses a drilling device of civil engineering pile foundation, through the dust filter board to the dust produced in the drilling process filters, compared with water spraying dust, can last longer dust removal, thereby make the drilling device can last longer drilling operation, and can reduce the weight of the whole drilling device, make the device more portable when moving, through the setting up of cleaning scraper, can through the upper blade edge to the soil that the pile foundation drilling bit upper blade bottom bonding carries out the cleaning, through the shaft blade to the soil that the pile foundation drilling bit's shaft surface bonding carries out the cleaning, through the lower blade can to the soil that the pile foundation drilling bit upper blade top bonding carries out the cleaning, thereby can realize to the effective cleaning of the soil that the pile foundation drilling bit bonding. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description. Obviously, the drawing in the following description is only exemplary, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other implementation drawings according to the provided drawing.

[0016] Fig. 1 It is the overall structure schematic diagram of the embodiment of the utility model;

[0017] Fig. 2 It is the internal structure schematic diagram of dust removal box and dust cover in the embodiment of the utility model;

[0018] Fig. 3 It is the structure schematic diagram of tool holder and cleaning scraper in the embodiment of the utility model.

[0019] Mark in drawing: 1-base, 2-support frame, 21-aid push, 3-tool holder, 4-cleaning scraper, 41-upper blade edge, 42-shaft blade, 43-lower blade, 5-pile foundation drilling bit, 6-motor, 7-lifting seat, 8-battery pack, 9-hydraulic cylinder, 10-control switch, 11-fan, 12-dust removal box, 13-put ground drill rod, 14-traveling wheel, 15-dust filter plate, 16-connection pipe, 17-dust cover. DETAILED DESCRIPTION

[0020] Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application can be more thoroughly understood, and the scope of the present application can be accurately conveyed to those skilled in the art. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0021] Referring to Figs. 1-3 The technical scheme provided by the present application is as follows:

[0022] The utility model provides a civil engineering pile's drilling device, including base 1, the top fixedly connected with support frame 2 of base 1, the top of support frame 2 is fixedly connected with hydraulic cylinder 9, and the telescopic end of hydraulic cylinder 9 is fixedly connected with lifting seat 7, and the both sides of lifting seat 7 are symmetrically provided with guide sliding block, and guide sliding block slides along the guide sliding slot of the inside wall of support frame 2, and the bottom of lifting seat 7 is fixedly equipped with motor 6, and the rotary end of motor 6 is fixedly connected with pile foundation drilling bit 5, and the inner wall of the other side of support frame 2 is fixedly connected with dust hood 17, and the outer wall of the other side of support frame 2 is fixedly connected with dust removal box 12, and dust hood 17 is communicated with dust removal box 12 through connecting pipe 16, and dust removal box 12's top movably inserts and places filter dust board 15, and the lower end of filter dust board 15 is inserted into the recess of the inside bottom of dust removal box 12, and filter dust board 15 is located at the rear side of the upper end of connecting pipe 16, and the rear side of dust removal box 12 is fixedly equipped with fan 11, and the air inlet of fan 11 is communicated with the inside of dust removal box 12, and the dust generated in the drilling process is filtered through filter dust board 15, compared with water spraying dust fall, can continuously dust for a longer time, so that the drilling device can continuously drill for a long time, and the weight of the whole drilling device can be reduced, so that the device is more portable when moving, the top of the inside wall of the support frame 2 of the both sides of hydraulic cylinder 9 is fixedly connected with battery pack 8, and the outer wall of the support frame 2 above dust removal box 12 is fixedly equipped with control switch 10, and control switch 10 is electrically connected with battery pack 8 through wire, and motor 6, hydraulic cylinder 9 and fan 11 are electrically connected with control switch 10 through wire, and the top of the base 1 of the both sides of support frame 2 is symmetrically screwed and penetrates and inserts ground drill rod 13, and the base 1 below pile foundation drilling bit 5 is provided with through slot, and the rear side of support frame 2 is fixedly provided with support 21, and the four corner positions of the bottom of base 1 are all fixedly provided with travelling wheel 14, when civil engineering pile drilling, the drilling device can be pushed to the position required to be drilled, and the two ground drill rods 13 of the both sides are rotated into the ground, then control switch 10 drives motor 6 to rotate forward, and drives hydraulic cylinder 9 to drive lifting seat 7 to move downward at a certain speed, at this moment, lifting seat 7 drives motor 6 to move downward together with pile foundation drilling bit 5, can drill the ground through pile foundation drilling bit 5, in the drilling process, fan 11 can be driven to rotate through control switch 10, and the rotation of fan 11 can make the inside of dust removal box 12 produce negative pressure, at this moment, the dust generated in the drilling process can be sucked into dust hood 17 together with air, and is transported to dust removal box 12 through connecting pipe 16, and the dust in dust removal box 12 can be filtered through filter dust board 15, so that the dust fall of drilling device is realized, and the harm of dust to the health of personnel is avoided by inhaling into the body of staff.

[0023] The inner side wall of one side of the support frame 2 is fixedly connected with a tool seat 3, and the tool seat 3 is fixedly connected with a cleaning scraper 4 at the end away from the support frame 2. The tool head of the cleaning scraper 4 extends to between two adjacent blades of the pile foundation drilling bit 5. The top of the cleaning scraper 4 is provided with an upper blade 41, and the bottom of the cleaning scraper 4 is provided with a lower blade 43. The end of the cleaning scraper 4 close to the pile foundation drilling bit 5 is provided with a shaft blade 42. Through the cleaning scraper 4, the upper blade 41 can clean the mud adhered to the bottom of the blade of the pile foundation drilling bit 5, the shaft blade 42 can clean the mud adhered to the shaft surface of the pile foundation drilling bit 5, and the lower blade 43 can clean the mud adhered to the top of the blade of the pile foundation drilling bit 5, so that the mud adhered to the pile foundation drilling bit 5 can be effectively cleaned. After drilling, the pile foundation drilling bit 5 is driven by the hydraulic cylinder 9 to move upward at a constant speed, and the motor 6 is driven to rotate reversely at the same time. At this time, the cleaning scraper 4 can scrape and clean the mud adhered to the pile foundation drilling bit 5. Finally, the mud adhered to the cleaning scraper 4 can be cleaned manually.

[0024] Working principle: when used, the drilling device can be pushed to the position required for drilling during pile foundation drilling of civil engineering, and the two ground-inserting drill rods 13 on the front and back sides are rotated into the ground. Then the control switch 10 is controlled to drive the motor 6 to rotate forward, and the hydraulic cylinder 9 is driven to drive the lifting seat 7 to move downward at a certain speed. At this time, the lifting seat 7 drives the motor 6 and the pile foundation drilling bit 5 to move downward together, and the ground can be drilled by the pile foundation drilling bit 5. During the drilling process, the control switch 10 is controlled to drive the fan 11 to rotate. The rotation of the fan 11 can generate negative pressure in the dust removal box 12. At this time, the dust generated during drilling can be sucked into the dust cover 17 together with the air, and then transported to the dust removal box 12 through the connecting pipe 16. The dust entering the dust removal box 12 can be filtered by the dust filtering plate 15, so that the dust removal of the drilling device is realized, and the dust is prevented from being sucked into the body of the worker to cause harm to the health of the worker. After drilling, the pile foundation drilling bit 5 is driven by the hydraulic cylinder 9 to move upward at a constant speed, and the motor 6 is driven to rotate reversely at the same time. At this time, the cleaning scraper 4 can scrape and clean the mud adhered to the pile foundation drilling bit 5. Finally, the mud adhered to the cleaning scraper 4 can be cleaned manually.

[0025] The utility model is described in detail through the above examples, but the content is only the exemplary embodiment of the utility model and cannot be considered to limit the implementation range of the utility model. The protection scope of the utility model is defined by the claims. Any technical scheme utilizing the technical scheme of the utility model or inspired by the technical scheme of the utility model within the essence and protection scope of the utility model, any equal change and improvement to the application scope, etc. should still belong to the patent coverage protection scope of the utility model. It should be noted that, in order to clearly express, the description of the utility model omits the expression of some components and processing known to the person skilled in the art which is not directly and obviously related to the protection scope of the utility model.

Claims

1. A drilling apparatus for civil engineering pile foundations comprising a base (1) characterised in that: The top of the base (1) is fixedly connected with a support frame (2), the top of the support frame (2) is fixedly penetrated with a hydraulic cylinder (9), the telescopic end of the hydraulic cylinder (9) is fixedly connected with a lifting seat (7), the bottom of the lifting seat (7) is fixedly provided with a motor (6), the rotating end of the motor (6) is fixedly connected with a pile foundation drilling bit (5), one side of the inner side wall of the support frame (2) is fixedly connected with a tool holder (3), the end of the tool holder (3) away from the support frame (2) is fixedly connected with a cleaning scraper (4), the tool bit of the cleaning scraper (4) extends between two adjacent blades on the pile foundation drilling bit (5), the top of the cleaning scraper (4) is provided with an upper blade (41), the bottom of the cleaning scraper (4) is provided with a lower blade (43), the end of the cleaning scraper (4) close to the pile foundation drilling bit (5) is provided with a shaft blade (42), the inner wall of the other side of the support frame (2) is fixedly connected with a dust suction cover (17), the outer wall of the other side of the support frame (2) is fixedly connected with a dust removal box (12), the dust suction cover (17) and the dust removal box (12) are communicated through a connecting pipe (16), the top of the dust removal box (12) is movably inserted with a dust filtering plate (15), the rear side of the dust removal box (12) is fixedly provided with a fan (11), the rear side of the support frame (2) is fixedly provided with a support (21), and the bottom of the base (1) is fixedly provided with four walking wheels (14).

2. A device for drilling a pile foundation for civil engineering according to claim 1, characterized in that, The lower end of the dust filtering plate (15) is inserted into the groove formed in the bottom of the dust removal box (12).

3. A device for drilling a pile foundation for civil engineering according to claim 2, characterized in that, The dust filtering plate (15) is located on the rear side of the upper end of the connecting pipe (16), and the air inlet of the fan (11) is communicated with the inside of the dust removal box (12).

4. A device for drilling a pile for a civil engineering project according to claim 1 wherein, The lifting seat (7) is provided with guide sliding blocks on both sides, and the guide sliding blocks slide along the guide sliding grooves formed on the inner side wall of the support frame (2).

5. A device for drilling a pile for a civil engineering project according to claim 1 wherein, The top of the inner side of the support frame (2) on the front and rear sides of the hydraulic cylinder (9) is fixedly connected with a battery pack (8), the outer wall of the support frame (2) above the dust removal box (12) is fixedly provided with a control switch (10), the control switch (10) is electrically connected with the battery pack (8) through wires, and the motor (6), the hydraulic cylinder (9) and the fan (11) are respectively electrically connected with the control switch (10) through wires.

6. A device for drilling a pile foundation for civil engineering according to claim 1, wherein The top of the base (1) on the front and rear sides of the support frame (2) is symmetrically screwed through with a ground drilling rod (13), and a through groove is formed in the base (1) below the pile foundation drilling bit (5).

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