Baffle device for cement mixing pile machine drill bit guniting hole

Abstract

The utility model relates to a cement mixing pile machine drill bit guniting hole baffle device, which belongs to the technical field of cement mixing pile machines and comprises a mounting shaft and a supporting rod fixedly mounted at the bottom end of the mounting shaft, a guniting hole communicated with the inside of the supporting rod is formed in the front face of the supporting rod, and a driving box is arranged on the front face of the supporting rod. And a lifting shielding mechanism capable of shielding the guniting holes is arranged in the driving box. According to the cement mixing pile machine drill bit guniting hole baffle device, a double-shaft motor is arranged to drive two transmission gears to rotate at the same time, then the two transmission gears drive two lifting racks to ascend and descend at the same time, then the lifting racks can drive hole blocking sleeves to ascend and descend, and then the effect of actively shielding guniting holes can be achieved; when a worker needs to conduct grouting, the double-shaft motor can be directly started to drive the hole blocking sleeve to move upwards, the guniting effect can be achieved, and the guniting holes are prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement mixing pile pile machine technical field, concretely is a kind of cement mixing pile pile machine drill head spouts hole baffle device. BACKGROUND

[0002] Cement mixing pile pile machine drill head is the key component in cement mixing pile construction.Pile machine is rotated by power device, and cutting part is cut into soil layer, while stirring blade is stirred to surrounding soil body.Spouts hole is the passage that cement paste is transported from pile machine to pile construction site.In the process of drilling by rotation, cement paste is evenly sprayed into surrounding soil body through spouts hole, so that cement paste and soil body are fully mixed, and cement-soil mixing pile with certain strength and stability is formed.This uniform spouts helps to ensure the strength uniformity and integrity of mixing pile.

[0003] In the process of cement mixing pile pile machine drill head work, spouts hole baffle device needs to be used, and the Chinese utility model patent with publication number CN214530662U discloses a kind of cement mixing pile pile machine drill head spouts hole baffle device, belong to building engineering construction technical field, including drill head, drill head bottom is equipped with spouts hole;The outer side of the spouts hole is equipped with baffle device, and the baffle device includes baffle and sliding rail;The utility model is by being arranged baffle device in drill head, empty pile section drill head rotates clockwise, baffle is slipped to spouts hole position by friction with soil, spouts hole is shielded, prevent that slurry or spoil causes spouts hole blockage;When reaching foundation treatment design elevation, again by drill head counterclockwise rotation, baffle is slipped out spouts hole position by friction with soil, and begin to spouts and mixes into pile.The utility model achieves the purpose that empty pile section does not spouts, reaches foundation treatment design elevation and spouts again, saves cement paste, reduces construction cost, and economic benefit is remarkable;Effectively avoid empty pile section drill head spouts hole blockage, improve work efficiency, simple structure, cheap, practical and convenient.

[0004] However, in the process of using the utility model, the baffle is switched by passive mode, and extremely depends on the friction between soil and baffle, and in actual work, the friction between soil and baffle may not be enough, so that the baffle cannot slide normally, which affects construction efficiency, cannot meet production demand, so a kind of cement mixing pile pile machine drill head spouts hole baffle device is proposed to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] The cement mixing pile machine drill head spouts hole baffle device has the advantages that the spouts hole can be conveniently shielded, the baffle is switched in a passive mode and extremely depends on the friction force between the baffle and the soil, the friction force between the baffle and the soil may be insufficient in actual work, the baffle cannot normally slide, the construction efficiency is affected, and the production demand cannot be met.

[0006] To achieve the above object, the utility model provides the following technical scheme: a cement mixing pile machine drill head spouts hole baffle device, including installation shaft and the support rod of fixed installation in the bottom of installation shaft, the front surface of support rod is opened with the spouts hole that communicates with its inside, the front surface of support rod is provided with drive box, the inside of drive box is provided with the lift shielding mechanism that can shield spouts hole,

[0007] The lift shielding mechanism includes a hole blocking sleeve slidingly connected to the outside of the support rod, the left and right sides of the hole blocking sleeve are fixedly connected with connecting plates, a double-shaft motor is fixedly installed in the inside of the drive box, a transmission gear is fixedly connected to the output shaft of the double-shaft motor, the top of the connecting plate is fixedly connected with a lift rack rod penetrating through the drive box, and the lift rack rod is engaged with the transmission gear.

[0008] Further, the lift rack rod and the drive box are connected in a sliding manner, and a limiting block is fixedly connected to the side of the lift rack rod away from the connecting plate.

[0009] Further, the number of the lift rack rods and the transmission gears is two, the two lift rack rods are symmetrically distributed on the left and right sides of the hole blocking sleeve, and the two driving shafts of the double-shaft motor have the same rotating direction.

[0010] Further, a first mounting plate is fixedly installed on the back of the drive box, a second mounting plate is arranged on the side of the first mounting plate away from the drive box, and the support rod is located between the first mounting plate and the second mounting plate.

[0011] Further, the left and right sides of the first mounting plate and the second mounting plate are fixedly connected with mounting blocks, the two mounting blocks are fixedly connected through mounting bolts, and the front surface of the second mounting plate is fixedly connected with a positioning rod extending into the inside of the first mounting plate.

[0012] Further, an installation sleeve is fixedly installed on the side of the support rod close to the installation shaft, and a stirring blade is fixedly connected to the outside of the installation sleeve.

[0013] Further, a soil breaking blade is fixedly installed on the side of the support rod away from the installation shaft, and a soil breaking drill head is fixedly connected to the end of the support rod away from the installation shaft.

[0014] Compared with the prior art, the cement mixing pile machine drill bit spouting hole baffle device has the following beneficial effects:

[0015] 1、The cement mixing pile machine drill bit spouting hole baffle device, by setting up two transmission gears driven by the double-shaft motor, and then driving two lifting racks to move up and down through the two transmission gears, so that the lifting rack can drive the hole blocking sleeve to move up and down, thereby achieving the effect of actively shielding the spouting hole, when the staff needs to grout, the double-shaft motor can be directly started to drive the hole blocking sleeve to move upwards, thereby achieving the effect of spouting, avoiding the spouting hole from being blocked.

[0016] 2、The cement mixing pile machine drill bit spouting hole baffle device, by setting up a first mounting plate and a second mounting plate, and then setting up a mounting block, thereby facilitating the installation of the drive box outside the support rod, and facilitating the disassembly of the drive box by the staff, achieving the effect of convenient maintenance, solving the problem that the baffle is opened and closed in a passive manner, and is extremely dependent on the friction between the soil, and in actual work, the friction between the soil and the baffle may not be enough, thereby causing the baffle to fail to slide normally, affecting the construction efficiency, and failing to meet the production requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a sectional view of the utility model structure;

[0018] Fig. 2 It is a structure schematic diagram of the utility model lifting shielding mechanism;

[0019] Fig. 3 It is a structure perspective view of the utility model drive box;

[0020] Fig. 4 It is a structure top view of the utility model first mounting plate;

[0021] Fig. 5 It is a structure schematic diagram of the utility model Fig. 4 Enlarged structure schematic diagram of A.

[0022] In the figure: 1 mounting shaft, 2 support rod, 3 spouting hole, 4 drive box, 5 hole blocking sleeve, 6 connecting plate, 7 double-shaft motor, 8 transmission gear, 9 lifting rack, 10 limit block, 11 first mounting plate, 12 second mounting plate, 13 mounting block, 14 positioning rod, 15 stirring blade, 16 breaking blade, 17 breaking drill. DETAILED DESCRIPTION

[0023] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0024] Please refer to Figs. 1 to 5 The device is characterized in that the device comprises a mounting shaft 1, a supporting rod 2 fixedly mounted at the bottom end of the mounting shaft 1, a spraying hole 3 communicated with the inside of the supporting rod 2 formed on the front surface of the supporting rod 2, a driving box 4 arranged on the front surface of the supporting rod 2, a lifting shielding mechanism capable of shielding the spraying hole 3 arranged in the inside of the driving box 4, a hole shielding sleeve 5 slidably connected to the outside of the supporting rod 2, a connecting plate 6 fixedly connected to the left and right sides of the hole shielding sleeve 5, a double-shaft motor 7 fixedly mounted in the inside of the driving box 4, a transmission gear 8 fixedly connected to the output shaft of the double-shaft motor 7, a lifting rack 9 fixedly connected to the top of the connecting plate 6 and penetrating through the driving box 4, and the lifting rack 9 is engaged with the transmission gear 8.

[0025] The connecting mode of the lifting rack 9 and the driving box 4 is sliding connection, a limiting block 10 is fixedly connected to the side of the lifting rack 9 away from the connecting plate 6, the number of the lifting rack 9 and the transmission gear 8 is two, the two lifting racks 9 are symmetrically arranged on the left and right sides of the hole shielding sleeve 5, and the rotating directions of the two driving shafts of the double-shaft motor 7 are the same.

[0026] It should be noted that when the device is used, the hole shielding sleeve 5 should be taken down in time, and then the cement on the hole shielding sleeve 5 is washed clean, so that the hole shielding sleeve 5 cannot be moved due to cement solidification.

[0027] In the embodiment, a first mounting plate 11 is fixedly mounted on the back surface of the driving box 4, a second mounting plate 12 is arranged on the side of the first mounting plate 11 away from the driving box 4, and the supporting rod 2 is located between the first mounting plate 11 and the second mounting plate 12.

[0028] The left and right sides of the first mounting plate 11 and the second mounting plate 12 are fixedly connected with mounting blocks 13, the two mounting blocks 13 are fixedly connected through mounting bolts, the front surface of the second mounting plate 12 is fixedly connected with a positioning rod 14 extending into the inside of the first mounting plate 11, and the inside of the first mounting plate 11 is provided with a positioning groove matched with the positioning rod 14.

[0029] Need to explain, through the setting first installation board 11 and second installation board 12, further through the setting installation block 13, then facilitate the drive box 4 installation in support rod 2 outside, at the same time facilitate staff to drive box 4 is disassembled, reach the effect of convenient maintenance.

[0030] In the embodiment, the mounting sleeve is fixedly installed on the side of the support rod 2 close to the mounting shaft 1, the stirring blade 15 is fixedly connected to the outside of the mounting sleeve, the soil breaking blade 16 is fixedly installed on the side of the support rod 2 away from the mounting shaft 1, and the soil breaking drill bit 17 is fixedly connected to the end of the support rod 2 away from the mounting shaft 1.

[0031] The working principle of the above embodiment is as follows:

[0032] First, the staff puts the hole blocking sleeve 5 on the support rod 2, then the staff installs the drive box 4 on the support rod 2 by using the first installation board 11 and the second installation board 12, and fixes the drive box 4 by using the mounting bolt, and then the support rod 2 is installed on the mounting shaft 1, the staff aims the soil breaking drill bit 17 at the position where piling is needed, then starts the pile driver to drive the soil breaking drill bit 17 to rotate, when the piling is completed, the double-shaft motor 7 is started to drive the hole blocking sleeve 5 to move upward to contact and block the shotcrete hole 3, and then the pile foundation is grouted.

[0033] The electrical components appearing in the text are all electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer for control, and the existing disclosed power connection technology also belongs to the common knowledge in the field, which will not be described herein.

[0034] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cement mixing pile machine drill bit spouting hole baffle device, comprising a mounting shaft (1) and a supporting rod (2) fixedly mounted at the bottom end of the mounting shaft (1), characterized in that: The front face of the support rod (2) is provided with a shot hole (3) communicating with the inside thereof, and the front face of the support rod (2) is provided with a driving box (4), and the inside of the driving box (4) is provided with a lifting shielding mechanism capable of shielding the shot hole (3). The lifting shielding mechanism comprises a hole shielding sleeve (5) slidingly connected to the outside of the support rod (2), left and right sides of the hole shielding sleeve (5) are fixedly connected with connecting plates (6), the inside of the driving box (4) is fixedly installed with a double-shaft motor (7), the output shaft of the double-shaft motor (7) is fixedly connected with a transmission gear (8), the top of the connecting plate (6) is fixedly connected with a lifting rack (9) penetrating through the driving box (4), and the lifting rack (9) is engaged with the transmission gear (8).

2. The device according to claim 1, characterized in that: The lifting rack (9) and the driving box (4) are connected in a sliding manner, and the lifting rack (9) is fixedly connected with a limiting block (10) on the side away from the connecting plate (6).

3. The device according to claim 1, characterized in that: The number of the lifting rack (9) and the transmission gear (8) is two, and the two lifting racks (9) are symmetrically distributed on the left and right sides of the hole shielding sleeve (5), and the two driving shafts of the double-shaft motor (7) have the same rotating direction.

4. The device according to claim 1, characterized in that: The back of the driving box (4) is fixedly installed with a first mounting plate (11), the side away from the driving box (4) of the first mounting plate (11) is provided with a second mounting plate (12), and the support rod (2) is located between the first mounting plate (11) and the second mounting plate (12).

5. The device according to claim 4, characterized in that: The left and right sides of the first mounting plate (11) and the second mounting plate (12) are fixedly connected with mounting blocks (13), and the two mounting blocks (13) are fixedly connected by mounting bolts, and the front face of the second mounting plate (12) is fixedly connected with a positioning rod (14) extending into the inside of the first mounting plate (11).

6. The device according to claim 1, characterized in that: The outside of the mounting sleeve is fixedly connected with stirring blades (15).

7. The device according to claim 1, characterized in that: The side of the support rod (2) away from the mounting shaft (1) is fixedly installed with a soil breaking blade (16), and the end of the support rod (2) away from the mounting shaft (1) is fixedly connected with a soil breaking drill bit (17).

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