Building foundation pit drilling device

By combining a support base, an L-shaped positioning plate, a first rotary motor, a lead lever, the drill body, a cross positioning block, and a lead screw spiral groove, the problem of uneven force on the drill rod is solved, thus improving safety and service life.

CN224064299UActive Publication Date: 2026-03-31CHONGQING KANGSHIDE CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing drilling equipment suffers from uneven stress on the drill rod, which affects the safety of the equipment and reduces its service life.

Method used

It adopts a combination structure of support base, L-shaped positioning plate, first rotary motor, screw lever, drilling rig body, cross positioning block and screw spiral groove, and realizes synchronous rotation and spiral sliding cooperation through pulse control to distribute the pressure during the use of drilling rig.

Benefits of technology

It improves the safety of the device and the service life of the drilling mechanism, and improves the performance by dispersing pressure through multi-directional lifting and lowering.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building foundation pit drilling devices, in particular to a building foundation pit drilling device which is convenient to use and comprises a supporting base, a plurality of L-shaped positioning plates are arranged at the top end of the supporting base, a first rotating motor is arranged at the top end of each L-shaped positioning plate, and a screw rod is arranged at the rotating end of each first rotating motor. The rotating end of each first rotating motor is matched with the corresponding lead screw rod, a drilling machine body is arranged in the middles of the L-shaped positioning plates, a cross-shaped positioning block is arranged in the middle of the drilling machine body, lead screw spiral grooves are formed in the front end, the rear end, the left end and the right end of the cross-shaped positioning block, and each lead screw spiral groove is matched with the corresponding lead screw rod.
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Description

Technical Field

[0001] This utility model relates to the technical field of drilling devices for building foundation pits, specifically a drilling device for building foundation pits. Background Technology

[0002] As is well known, civil buildings refer to non-productive residential and public buildings, which are composed of several interior spaces of varying sizes. Generally, civil buildings consist of components such as foundations, walls or columns, floors, stairs, roofs, doors, and windows. When constructing civil buildings, it is often necessary to use a foundation pit drilling rig to drill holes in the soil. During the foundation pit construction process, a foundation pit drilling device is required to ensure the smooth progress of construction.

[0003] However, existing drilling devices typically place the drill rod on one side of the device, resulting in uneven force distribution, which affects the safety of the device and reduces the service life of the drilling mechanism over a long period of time. Therefore, we propose a drilling device for building foundation pits to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an easy-to-use drilling device for building foundation pits.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a drilling device for building foundation pits, comprising a support base, a plurality of L-shaped positioning plates at the top of the support base, a first rotary motor at the top of each L-shaped positioning plate, a lead lever at the rotating end of each first rotary motor, the rotating end of each first rotary motor cooperating with the lead lever, a drilling rig body at the middle of the plurality of L-shaped positioning plates, a cross positioning block at the middle of the drilling rig body, and lead screw spiral grooves at the front end, rear end, left end and right end of the cross positioning block, each lead screw spiral groove cooperating with the lead lever.

[0008] Furthermore, an improvement of this invention is that the several first rotary motors are synchronously controlled by pulse control.

[0009] Furthermore, the improvements of this utility model include that the edges of the support base, L-shaped positioning plate, first rotary motor, screw lever, drilling machine body, cross positioning block and screw spiral groove are all rounded.

[0010] Based on the above, the improvement of this utility model is that the rotating end of each first rotary motor and the lead lever are in a fixed fit.

[0011] Furthermore, an improvement of this utility model is that the engagement between each lead screw helical groove and the lead lever is a helical sliding engagement.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, this utility model provides a drilling device for building foundation pits, which has the following features:

[0014] Beneficial effects:

[0015] This foundation pit drilling device, by setting up a support base, an L-shaped positioning plate, a first rotary motor, a lead lever, a drilling rig body, a cross positioning block, and a lead screw spiral groove, allows the foundation pit drilling device to be raised and lowered simultaneously in multiple directions during use. This can better distribute the pressure during the use of the drilling rig, improve the safety of the device and the service life of the drilling mechanism, and make the foundation pit drilling device more effective. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the axial side structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the axonal structure from another angle of the present invention;

[0018] Figure 3 This utility model Figure 2 The diagram shows a partially enlarged axial side structure at point A.

[0019] In the diagram: 1. Support base; 2. L-shaped positioning plate; 3. First rotary motor; 4. Lead screw lever; 5. Drill rig body; 6. Cross positioning block; 7. Lead screw spiral groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3This utility model discloses a drilling device for building foundation pits, comprising a support base 1, with several L-shaped positioning plates 2 at the top of the support base 1. Each L-shaped positioning plate 2 has a first rotary motor 3 at its top. The several first rotary motors 3 are synchronously controlled by pulse control, enabling synchronous control of the several first rotary motors 3 in this drilling device. Each first rotary motor 3 has a lead lever 4 at its rotating end, and the rotating end of each first rotary motor 3 cooperates with the lead lever 4. The cooperation between the rotating end of each first rotary motor 3 and the lead lever 4 is a fixed cooperation, allowing the first rotary motor 3 to drive the lead lever 4 to rotate. A drilling rig body 5 is located in the middle of the several L-shaped positioning plates 2, and ten [unclear text - possibly a number] are located in the middle of the drilling rig body 5. The cross-shaped positioning block 6 has screw grooves 7 at its front, rear, left, and right ends. Each screw groove 7 engages with a lever 4, and the engagement between the screw groove 7 and the lever 4 is a helical sliding engagement, allowing the cross-shaped positioning block 6 to be adjusted up and down along the lever 4 via the screw groove 7. The edges of the support base 1, L-shaped positioning plate 2, first rotary motor 3, lever 4, drilling rig body 5, cross-shaped positioning block 6, and screw groove 7 are all rounded, preventing scratches to users during use. The drilling rig can simultaneously lift and lower in multiple directions, better distributing the pressure during drilling and improving the safety and service life of the drilling mechanism.

[0022] In summary, this foundation pit drilling device, during use, controls several first rotary motors 3 to rotate simultaneously using pulse control. These first rotary motors 3 drive the lead levers 4 to rotate, and the interaction between each lead screw helical groove 7 and the lead lever 4 causes the cross positioning block 6 and the drilling rig body 5 to move downwards. Drilling then occurs through the drilling rig body 5. During use, the multiple lead levers 4 distribute the drilling pressure received by the drilling rig body 5. This foundation pit drilling device can simultaneously lift and lower in multiple directions, better distributing the pressure during drilling, improving the safety of the device and extending the service life of the drilling mechanism. Therefore, this foundation pit drilling device offers better performance.

[0023] The control method of this utility model is to control the device by manually starting and stopping the switch. The wiring diagram of the power element and the supply of power are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail.

[0024] To better illustrate this embodiment, some parts in the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions.

[0025] Furthermore, unless otherwise defined, the technical or scientific terms used in this application description shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," and "outer," etc., used in this application description to indicate relative direction or positional relationship are used only to indicate relative orientation or positional relationship, and do not imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly, and therefore should not be construed as a limitation on this application. The terms "first," "second," "third," and similar terms used in this application description are used only for descriptive purposes to distinguish different components, and should not be construed as indicating or implying relative importance. The terms "a," "one," or "the," etc., used in this application description should not be construed as an absolute limitation on quantity, but should be construed as indicating the existence of at least one. The terms "including," "comprising," etc., used in this application description mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.

[0026] Furthermore, it should be noted that, unless otherwise explicitly specified and limited, terms such as “installation,” “connection,” and “linkage” used in the description of this application should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; or it can be a connection within two components. Those skilled in the art can understand its specific meaning in this application according to the specific circumstances.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A building foundation drilling device comprising a support base (1), characterised in that: The top end of the support base (1) is provided with a plurality of L-shaped positioning plates (2), the top end of each L-shaped positioning plate (2) is provided with a first rotary motor (3), the rotary end of each first rotary motor (3) is provided with a lead screw lever (4), the rotary end of each first rotary motor (3) is matched with the lead screw lever (4), the middle part of the plurality of L-shaped positioning plates (2) is provided with a drilling machine body (5), the middle part of the drilling machine body (5) is provided with a cross positioning block (6), the front end, the rear end, the left end and the right end of the cross positioning block (6) are provided with lead screw spiral grooves (7), and each lead screw spiral groove (7) is matched with the lead screw lever (4).

2. A building foundation drilling apparatus according to claim 1, wherein: The plurality of first rotary motors (3) are synchronously controlled in a pulse control mode.

3. The building foundation drilling device according to claim 1, characterized in that: The edges of the support base (1), the L-shaped positioning plate (2), the first rotary motor (3), the lead screw lever (4), the drilling machine body (5), the cross positioning block (6) and the lead screw spiral groove (7) are all provided in a rounded corner shape.

4. The building foundation drilling apparatus according to claim 1, wherein: The matching mode between the rotary end of each first rotary motor (3) and the lead screw lever (4) is fixed matching.

5. The building foundation drilling apparatus according to claim 1, wherein: The matching mode between each lead screw spiral groove (7) and the lead screw lever (4) is spiral sliding matching.