Self-fixing type base drill rod for civil engineering construction

Abstract

The utility model discloses a self-fixing type base drill rod for civil engineering construction, and particularly relates to the field of civil engineering. A ground pricking cone is arranged at the bottom of the base drill rod body, the base drill rod body is sleeved with a leveling instrument installation piece, an installation disc is fixed to the top of the base drill rod body, and a level gauge is embedded in the upper surface of the installation disc. The adjusting assembly and the self-fixing plate are arranged and connected through the support, when the device is inserted downwards, the self-fixing plate is folded in the open groove, downward insertion cannot be blocked, after the device is inserted downwards to a proper depth, the adjusting rod is inserted into the base drill rod body through the threaded groove, the adjusting rod is rotated downwards, the guide sleeve can be pressed downwards, and the self-fixing plate is fixed to the guide sleeve. Even if the included angle between the two supporting arms of the support is changed, the self-fixing plate is expanded outwards, self-fixing is completed, the base drill rod is prevented from loosening or inclining in the using process, and fixing is firmer.

Description

Technical Field

[0001] The utility model relates to the field of civil engineering, and more specifically, to a self-fixing base drill for civil engineering construction. Background Art

[0002] In infrastructure construction, civil engineering construction, and geological surveying and mapping, a large amount of tedious but necessary horizontal measurement work is required. Usually, when measuring the consistency of foundation height, a large number of wooden wedges and iron wedges are used to support the measuring scale and calibrate the horizontal benchmark. However, these wooden wedges and iron wedges generally need to be hammered into the measuring base surface by the staff manually;

[0003] After searching, the existing patent (publication number: CN210198257U) discloses a base drill for civil engineering construction. The base drill for civil engineering construction includes an upper base drill rod body; a screw, the screw is fixedly mounted on the bottom end of the upper base drill rod body; a lower base drill rod body, the lower base drill rod body is fixedly mounted on the bottom end of the screw; a slider, the slider is slidably sleeved on the upper base drill rod body; a level, the level is fixedly mounted on one side outer wall of the slider; a laser, the laser is fixedly mounted on the bottom of the level; a correction disk, the correction disk is arranged below the laser; a fixing bolt, the fixing bolt is threadedly mounted on the slider, and one end of the fixing bolt is in contact with the upper base drill rod body; a rod withdrawal mechanism, the rod withdrawal mechanism is arranged on the screw. The base drill for civil engineering construction provided by the utility model has the advantages of easy disassembly and simple operation.

[0004] Existing civil engineering base drills generally do not have a self-fixing structure and are prone to loosening or tilting during use. Some base drills are designed with multiple auxiliary rods that are driven into the soil at the same time, so that the base drill can be fixed more firmly. However, after solving the above problem, it is difficult to remove the base drill. At the same time, the above cited patent documents do not propose relevant solutions to solve the above problem.

[0005] Therefore, a self-fixing foundation drill used in civil engineering construction is proposed in view of the above problems. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a self-fixing base drill for civil engineering construction to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: a self-fixing base drill for civil engineering construction, comprising a base drill rod body, characterized in that: a ground cone is arranged at the bottom of the base drill rod body, a level ruler mounting piece is sleeved on the base drill rod body, a mounting plate is fixed on the top of the base drill rod body, and a level is embedded on the upper surface of the mounting plate;

[0008] The middle section of the base drill rod body is evenly provided with grooves, and self-fixing plates are provided at the grooves. The surface of the base drill rod body is provided with scale lines. The top end of the base drill rod body is provided with a thread groove, and an adjusting rod is installed in the thread groove. An adjusting component is installed at the middle position of the base drill rod body, and a bracket is connected between the adjusting component and the self-fixing plate.

[0009] Preferably, the level ruler mounting component includes a collar, a ruler sleeve and a fastening bolt, and the inner diameter of the collar matches the outer diameter of the base drill rod body, a ruler sleeve is provided on one side of the collar, and fastening bolts are provided on the top of the ruler sleeve and on the side of the collar away from the ruler sleeve.

[0010] Preferably, the adjusting rod comprises, from top to bottom, a connecting flange, a screw portion, a smooth rod portion and a rotating ball, and the screw portion is adapted to the thread groove.

[0011] Preferably, the shape of the self-fixing plate is consistent with the groove, and the outer surface of the self-fixing plate is provided with anti-slip patterns, the bottom of the self-fixing plate close to the bracket is provided with a slide groove, and a slider is slidably connected in the slide groove, and the bottom of the bracket close to one end of the self-fixing plate is hinged to the slider.

[0012] Preferably, the brackets are all of "X"-shaped adjustable design, and the tops of the brackets near one end of the self-fixing plate are hinged to the self-fixing plate.

[0013] Preferably, the adjusting assembly comprises a mounting seat, a guide column, a return spring and a guide sleeve, the mounting seat is fixed at a central position inside the base drill rod body, and a guide column is installed on the top of the mounting seat, the outer side of the guide column is sleeved with a guide sleeve, and a return spring is wound around the outer side of the guide column between the guide sleeve and the mounting seat, the top of the bracket close to one end of the adjusting assembly is hinged to the guide sleeve, and the bottom of the bracket close to one end of the adjusting assembly is hinged to the mounting seat.

[0014] Preferably, a rotation groove is provided on the top of the guide sleeve, and the rotation ball is rotatably connected to the rotation groove, and the inner diameter of the guide sleeve is consistent with the outer diameter of the guide column.

[0015] Preferably, movable grooves are evenly formed on the outer surface of the guide sleeve, and limiting protrusions are evenly provided on the outer side of the guide column, and the limiting protrusions penetrate the movable grooves.

[0016] The technical effects and advantages of the utility model are as follows: compared with the prior art, the self-fixing base drill for civil engineering construction is provided with an adjusting component and a self-fixing plate, which are connected by a bracket. When the device is inserted downward, the self-fixing plate is retracted inside the slot and does not cause any obstruction to the insertion. After the device is inserted to a suitable depth, the adjusting rod is inserted into the base drill rod body through the threaded groove, and the adjusting rod is screwed downward to press the guide sleeve downward, so that the angle between the two support arms of the bracket is changed, so that the self-fixing plate is stretched outward to complete self-fixation, thereby avoiding loosening or tilting of the base drill during use, and fixing it more firmly. When taking it out, you only need to take out the adjusting rod, and the guide sleeve can be reset under the action of the reset spring to drive the self-fixing plate back into the slot, so that it is very convenient to take it out. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the base drill rod body of the utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the adjusting rod of the utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the adjustment component of the utility model.

[0021] Figure 5 This is a schematic diagram of the structure of the self-fixing plate of the utility model.

[0022] The accompanying drawings are marked as follows: 1. base drill rod body; 101. threaded groove; 102. slotting; 103. scale line; 2. ground cone; 3. level ruler mounting piece; 301. collar; 302. ruler sleeve; 303. fastening bolt; 4. mounting plate; 5. adjusting rod; 501. connecting flange; 502. screw rod part; 503. bare rod part; 504. rotating ball; 6. self-fixing plate; 601. anti-slip texture; 7. slide groove; 8. bracket; 9. mounting seat; 10. guide column; 1001. limiting cam; 11. reset spring; 12. guide sleeve; 1201. movable groove; 1202. rotating groove; 13. adjustment assembly; 14. slider; 15. level;. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1

[0025] As attached Figure 1 A self-fixing foundation drill for civil engineering construction shown in the figure comprises a foundation drill rod body 1, a ground piercing cone 2 is arranged at the bottom of the foundation drill rod body 1, a level ruler mounting member 3 is sleeved on the foundation drill rod body 1, a mounting plate 4 is fixed on the top of the foundation drill rod body 1, and a level 15 is embedded on the upper surface of the mounting plate 4;

[0026] The middle section of the base drill rod body 1 is evenly provided with grooves 102, and self-fixing plates 6 are provided at the grooves 102. The surface of the base drill rod body 1 is provided with scale lines 103. The top of the base drill rod body 1 is provided with a thread groove 101, and an adjusting rod 5 is installed in the thread groove 101. An adjusting component 13 is installed at the middle position inside the base drill rod body 1, and a bracket 8 is connected between the adjusting component 13 and the self-fixing plate 6.

[0027] When the base drill rod body 1 is inserted downward, the upper mounting plate 4 can be struck with a tool such as a hammer to firmly insert the base drill rod body 1 into the soil. During the striking process, the level 15 can be observed to avoid transitional tilting of the lower base drill rod body 1 and ensure the verticality of the base drill rod body 1.

[0028] Embodiment 2

[0029] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 5 As shown, see the following description for details:

[0030] As a preferred embodiment, the level ruler mounting member 3 includes a collar 301, a ruler sleeve 302 and a fastening bolt 303, and the inner diameter of the collar 301 coincides with the outer diameter of the base drill rod body 1, a ruler sleeve 302 is provided on one side of the collar 301, and a fastening bolt 303 is provided on the top of the ruler sleeve 302 and on the side of the collar 301 away from the ruler sleeve 302; further, when in use, a suitable level ruler can be selected and inserted into the ruler sleeve 302 and fixed with the fastening bolt 303, the collar 301 can be adjusted up and down on the base drill rod body 1, and then fixed at a suitable height with the fastening bolt 303, which is more convenient to use.

[0031] As a preferred embodiment, the adjusting rod 5 includes, from top to bottom, a connecting flange 501, a screw portion 502, a smooth rod portion 503 and a rotating ball 504, and the screw portion 502 is adapted to the thread groove 101; further, the adapted screw portion 502 and the thread groove 101 are designed so that the adjusting rod 5 is not easy to fall off or shake after being screwed down, and the resistance effect on the guide sleeve 12 is better, and the design is more reasonable.

[0032] As a preferred embodiment, the shape of the self-fixing plate 6 is consistent with the groove 102, and the outer surface of the self-fixing plate 6 is provided with an anti-slip pattern 601, the bottom of the self-fixing plate 6 close to the bracket 8 is provided with a slide groove 7, and a slider 14 is slidably connected in the slide groove 7, and the bottom of the bracket 8 close to one end of the self-fixing plate 6 is hinged to the slider 14; further, the design of the slide groove 7 and the slider 14 makes it easy to adjust the angle between the two support arms of the bracket 8, and the design is more reasonable.

[0033] As a preferred embodiment, the brackets 8 are all designed to be adjustable in an "X" shape, and the top of the brackets 8 near one end of the self-fixing plate 6 is hinged to the self-fixing plate 6; further, the "X"-shaped adjustable design allows the brackets 8 to adjust the position of the self-fixing plate 6, causing it to open outward to complete the self-fixation of the device.

[0034] As a preferred embodiment, the adjusting assembly 13 includes a mounting seat 9, a guide column 10, a return spring 11 and a guide sleeve 12. The mounting seat 9 is fixed at the central position inside the base drill rod body 1, and a guide column 10 is installed on the top of the mounting seat 9. The outer side of the guide column 10 is sleeved with a guide sleeve 12, and a return spring 11 is wound around the outer side of the guide column 10 between the guide sleeve 12 and the mounting seat 9. The top of the bracket 8 near one end of the adjusting assembly 13 is hinged with the guide sleeve 12, and the bottom of the bracket 8 near one end of the adjusting assembly 13 is hinged with the mounting seat 9; further, the downward rotation of the adjusting rod 5 can press the guide sleeve 12 downward, that is, the angle between the two support arms of the bracket 8 is changed, so that the self-fixing plate 6 is stretched outward to complete the self-fixing, and the base drill is prevented from loosening or tilting during use, and the fixation is more firmly. When taking it out, you only need to take out the adjusting rod 5, and the guide sleeve 12 can be reset under the action of the return spring 11, driving the self-fixing plate 6 back into the slot 102, which is very convenient to take out.

[0035] As a preferred embodiment, a rotating groove 1202 is opened on the top of the guide sleeve 12, and the rotating ball 504 is rotatably connected to the rotating groove 1202, and the inner diameter of the guide sleeve 12 coincides with the outer diameter of the guide column 10; further, the rotating ball 504 and the rotating groove 1202 are designed so that the adjusting rod 5 can rotate relative to the guide sleeve 12, and the friction resistance between the two is small, and the adjusting rod 5 rotates downward more smoothly.

[0036] As a preferred embodiment, movable grooves 1201 are evenly provided on the outer surface of the guide sleeve 12, and limiting protrusions 1001 are evenly provided on the outer side of the guide column 10, and the limiting protrusions 1001 pass through the movable grooves 1201; further, the movable grooves 1201 and the limiting protrusions 1001 are designed to limit the guide sleeve 12 so that it can only move up and down but cannot rotate relative to the guide column 10, thereby avoiding the bracket 8 from tilting, and the design is more reasonable.

[0037] The working process of the utility model is as follows:

[0038] When in use, insert the base drill rod body 1, and use a tool such as a hammer to knock the upper mounting plate 4 to make the base drill rod body 1 firmly inserted into the soil. Observe the level 15 during the knocking process to avoid the base drill rod body 1 from being tilted excessively and ensure the verticality of the base drill rod body 1. Observe the scale line 103 to determine the depth of the insertion. After reaching the appropriate depth, the adjusting rod 5 is inserted into the base drill rod body 1 through the threaded groove 101, and the adjusting rod 5 is screwed down to press the guide sleeve 12 downward, that is, the angle between the two support arms of the bracket 8 is changed, so that the self-fixing plate 6 is stretched outward to complete the self-fixing. A suitable horizontal measuring ruler can be selected to be inserted into the ruler sleeve 302 and fixed with the fastening bolt 303. The collar 301 can be adjusted up and down on the base drill rod body 1, and then fixed at a suitable height with the fastening bolt 303. When taking out, only the adjusting rod 5 needs to be taken out, and the guide sleeve 12 can be reset under the action of the reset spring 11, driving the self-fixing plate 6 to return to the slot 102, which is very convenient to take out.

[0039] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A self-fixing base drill for civil engineering construction, comprising a base drill rod body (1), characterized in that: A ground cone (2) is provided at the bottom of the base drill rod body (1), and a level ruler mounting piece (3) is sleeved on the base drill rod body (1); a mounting plate (4) is fixed on the top of the base drill rod body (1), and a level gauge (15) is embedded on the upper surface of the mounting plate (4); The middle section of the base drill rod body (1) is evenly provided with grooves (102), and a self-fixing plate (6) is provided at each groove (102); the surface of the base drill rod body (1) is provided with scale lines (103); the top end of the base drill rod body (1) is provided with a thread groove (101), and an adjusting rod (5) is installed in the thread groove (101); an adjusting component (13) is installed at a middle position inside the base drill rod body (1), and a bracket (8) is connected between the adjusting component (13) and the self-fixing plate (6).

2. A self-fixing base drill for civil engineering construction according to claim 1, characterized in that: The level ruler mounting member (3) comprises a collar (301), a ruler inserting sleeve (302) and a fastening bolt (303), and the inner diameter of the collar (301) matches the outer diameter of the base drill rod body (1); one side of the collar (301) is provided with the ruler inserting sleeve (302), and the top of the ruler inserting sleeve (302) and the side of the collar (301) away from the ruler inserting sleeve (302) are both provided with the fastening bolt (303).

3. The self-fixing base drill for civil engineering construction according to claim 1, characterized in that: The adjusting rod (5) comprises, from top to bottom, a connecting flange (501), a screw rod portion (502), a smooth rod portion (503) and a rotating ball (504), and the screw rod portion (502) is adapted to the thread groove (101).

4. The self-fixing base drill for civil engineering construction according to claim 1, characterized in that: The shape of the self-fixing plate (6) is consistent with the groove (102), and the outer surface of the self-fixing plate (6) is provided with anti-slip patterns (601), the bottom of the self-fixing plate (6) close to the bracket (8) is provided with a slide groove (7), and a slider (14) is slidably connected in the slide groove (7), and the bottom of the bracket (8) close to one end of the self-fixing plate (6) is hinged to the slider (14).

5. The self-fixing base drill for civil engineering construction according to claim 1, characterized in that: The brackets (8) are all designed to be adjustable in an "X" shape, and the top of the brackets (8) close to one end of the self-fixing plate (6) is hinged to the self-fixing plate (6).

6. The self-fixing base drill for civil engineering construction according to claim 1, characterized in that: The adjusting assembly (13) comprises a mounting seat (9), a guide column (10), a return spring (11) and a guide sleeve (12); the mounting seat (9) is fixed at a central position inside the base drill rod body (1), and a guide column (10) is installed on the top of the mounting seat (9); the outer side of the guide column (10) is sleeved with a guide sleeve (12), and a return spring (11) is wound around the outer side of the guide column (10) between the guide sleeve (12) and the mounting seat (9); the top of the bracket (8) close to one end of the adjusting assembly (13) is hinged to the guide sleeve (12), and the bottom of the bracket (8) close to one end of the adjusting assembly (13) is hinged to the mounting seat (9).

7. A self-fixing base drill for civil engineering construction according to claim 6, characterized in that: A rotating groove (1202) is provided on the top of the guide sleeve (12), and the rotating ball (504) is rotatably connected to the rotating groove (1202). The inner diameter of the guide sleeve (12) matches the outer diameter of the guide column (10).

8. The self-fixing base drill for civil engineering construction according to claim 6, characterized in that: The outer surface of the guide sleeve (12) is evenly provided with movable grooves (1201), and the outer side of the guide column (10) is evenly provided with limiting protrusions (1001), and the limiting protrusions (1001) penetrate the movable grooves (1201).

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