Inner diameter detection equipment for foundation pit cast-in-place pile

By introducing a motor and an elastic measuring mechanism into the foundation pit cast-in-place pile inner diameter detection equipment, and combining various structures to achieve rapid centering positioning of the device, the problem of the device being difficult to center in the foundation pit was solved, and the measurement accuracy and stability were improved.

CN223753379UActive Publication Date: 2026-01-02HENAN PROVINCIAL HIGH GRADE HIGHWAY CONSTR SUPERVISION DEPT
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Patent Information

Application Number
CN202423164093.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-21
Publication Date
2026-01-02
Estimated Expiration
2034-12-21

AI Technical Summary

Technical Problem

Existing foundation pit grouting pile borehole diameter detection devices are difficult to center in the foundation pit, which leads to tilting during measurement and affects measurement accuracy.

Method used

The system employs a platform-mounted motor and elastic measuring mechanism, combined with a structure including a positioning groove, ground spikes, sliding grooves, compression springs, sliding frames, compression plates, locking blocks, adjusting rods, and reset springs. The compression plates support the inner wall of the pit, enabling the elastic measuring mechanism to quickly center and position itself, thus preventing the lifting rod from tilting.

Benefits of technology

It improves the accuracy and practicality of detecting the inner diameter of cast-in-place piles in foundation pits, ensures the stability of the measuring device, and makes it more convenient and faster to use.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an inner diameter detection device for a foundation pit cast-in-place pile. The inner diameter detection device comprises a platform. Ground thorns are arranged on one side of the platform; wherein a sliding groove is formed in the other side of the platform, an extrusion spring is arranged in the middle of the sliding groove, a sliding frame is in lap joint with one side of the extrusion spring, an extrusion plate is fixedly connected to the bottom of the sliding frame, a clamping block is in lap joint with the upper end of the sliding frame, an adjusting rod is fixedly connected to the top end of the clamping block, and a reset spring sleeves the outer side of the adjusting rod; a supporting frame is arranged on one side of the adjusting rod; a lifting gear is arranged on one side of the supporting frame, one side of the lifting gear is connected with a lifting tooth groove in a meshed mode, and a lifting rod is arranged on one side of the lifting tooth groove, so that the inner walls of foundation pit openings of different specifications can be conveniently supported through an extrusion plate, rapid centering of the elastic measuring mechanism is achieved, and the situation that the lifting rod inclines is prevented; the purpose of improving the detection precision is achieved, and the inner diameter detection equipment is more convenient and faster to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aperture detection, specifically to a kind of inner diameter detection equipment for foundation pit bored pile. BACKGROUND

[0002] Foundation pit bored pile is a kind of pile formed by forming pile hole in foundation soil by mechanical drilling, steel pipe soil extrusion or manpower excavation and placing reinforcement cage and pouring concrete in it, and pile diameter of pile foundation meets design requirement, which is one of important parameters to ensure the safety of building structure, so pile hole diameter detection is particularly important.

[0003] The patent document with publication number CN221032582U discloses a kind of foundation pit bored pile aperture detection device, it is related to the technical field of foundation pit bored pile, and the utility model includes platform, one end of the platform is inserted with four supporting legs, the top of four supporting legs is fixedly connected with top plate, the outer surface of four supporting legs is all sleeved with bottom plate, the top of four top plates is inserted with bolt, one end of four bolts is common to the one end of platform, and the bottom end of four bolts is penetrated four bottom plates respectively, four supporting legs are distributed in rectangular array, and the bottom end of four supporting legs is fixedly connected with ground thorn, ground thorn on supporting leg can be driven into soil to make platform more stable, the top of platform is equipped with lifting device, the lifting device includes box body, one end of the box body is fixedly connected with hollow rod, the aperture detection device of the utility model can be inserted into the deep part of foundation pit bored pile hole, and multi-axis measurement can be carried out in the inner wall of foundation pit bored pile hole, but the following problems exist in the actual use process of the patent:

[0004] The aperture detection device positions lifting rod and measuring device at foundation pit position through ground thorn, but as the aperture detection device is difficult to realize center positioning of device in foundation pit during use, so that measuring device is prone to tilt during measurement, thereby affecting measurement accuracy, so that the practicality of the aperture detection device is poor.

[0005] An inner diameter detection equipment for foundation pit bored pile is proposed to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an inner diameter detection equipment for foundation pit bored pile to solve the problem that the aperture detection device is difficult to realize center positioning of device in foundation pit during use, so that measuring device is prone to tilt during measurement, thereby affecting measurement accuracy, so that the practicality of the aperture detection device is poor.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of inner diameter detection equipment for foundation pit bored pile, including platform;

[0008] The upper portion of the platform is provided with a motor, and the lower portion of the platform is provided with an elastic measuring mechanism.

[0009] Further comprising:

[0010] A positioning slot is formed on one side of the platform, and a ground spike is inserted into the middle of the positioning slot, and a positioning ring is fixedly connected to the top end of the ground spike.

[0011] The other side of the platform is provided with a sliding slot, and a sliding rod is fixedly connected to the middle of the sliding slot, and an extrusion spring is sleeved on the outer side of the sliding rod, and a sliding frame is overlapped on one side of the extrusion spring, and an extrusion plate is fixedly connected to the bottom of the sliding frame, and a clamping block is overlapped on the upper end of the sliding frame, and an adjusting rod is fixedly connected to the top end of the clamping block, and a reset spring is sleeved on the outer side of the adjusting rod, and an adjusting ring is fixedly connected to the top end of the adjusting rod, and a support frame is overlapped on the bottom of the adjusting ring.

[0012] The top end of the support frame is fixedly connected to a limiting frame, one side of the middle of the limiting frame is rotatably connected to a lifting gear, one side of the lifting gear is meshingly connected to a lifting tooth groove, and one side of the lifting tooth groove is provided with a lifting rod.

[0013] Preferably, the positioning slot is formed on the outer side of the platform, and the positioning slot and the ground spike are provided in not less than two groups, so as to facilitate the positioning of the platform.

[0014] Preferably, the sliding slot, the sliding rod, the extrusion spring, the sliding frame, the extrusion plate, the clamping block, the adjusting rod and the reset spring are provided in three groups, so as to facilitate the rapid centering of the lifting rod.

[0015] Preferably, the extrusion spring is provided on the side of the sliding rod away from the positioning slot, so as to facilitate the rapid expansion of the extrusion plate.

[0016] Preferably, the support frame is fixedly connected to the middle of the top surface of the platform, so as to facilitate the limiting of the sliding frame.

[0017] Preferably, the lifting gear is symmetrically arranged in the middle of the limiting frame, and the lifting tooth groove is symmetrically arranged on both sides of the lifting rod, and one side of the lifting gear on one side is fixedly connected to one side of the motor, so as to facilitate the stable lifting of the lifting rod.

[0018] Preferably, the upper end of the lifting rod sequentially passes through the platform, the support frame and the limiting frame, and the bottom of the lifting rod is fixedly connected to the elastic measuring mechanism, so as to facilitate the lifting of the elastic measuring mechanism.

[0019] Compared with the prior art, the beneficial effects of the utility model are that: the inner diameter detection equipment for the foundation pit cast-in-place pile is convenient for supporting the inner wall of the foundation pit opening of different specifications through the extrusion plate, realizes the rapid centering of the elastic measuring mechanism, prevents the inclination of the lifting rod, achieves the purpose of improving the detection precision, and through the mode of pulling the adjusting ring upward, realizes the rapid unfolding of the extrusion plate, so that the use of the inner diameter detection equipment is more convenient and fast, and the specific content is as follows:

[0020] 1. The inner diameter detection equipment is convenient for supporting the inner wall of the foundation pit opening of different specifications through the extrusion plate, realizes the rapid centering of the elastic measuring mechanism, and prevents the inclination of the lifting rod through the mode that the ground spike fixes the platform through the positioning hole, achieves the purpose of improving the detection precision, so that the practicality of the inner diameter detection equipment for the foundation pit cast-in-place pile is stronger.

[0021] 2. The inner diameter detection equipment is convenient for positioning the extrusion plate after folding through the mode that the adjusting ring is pulled upward, realizes the rapid unfolding of the extrusion plate, so that the use of the inner diameter detection equipment is more convenient and fast, so that the practicality of the inner diameter detection equipment for the foundation pit cast-in-place pile is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the utility model's vertical section structure.

[0023] Figure 2 It is a schematic view of the utility model's extrusion plate tightening structure.

[0024] Figure 3 It is a schematic view of the utility model's overall installation structure.

[0025] Figure 4 It is a schematic view of the utility model Figure 1 It is an enlarged structure schematic view of the utility model's A place.

[0026] Figure 5 It is an enlarged structure schematic view of the utility model Figure 1 B place.

[0027] In the drawing: 1, platform; 2, positioning groove; 3, ground spike; 4, positioning ring; 5, sliding groove; 6, sliding rod; 7, extrusion spring; 8, sliding frame; 9, extrusion plate; 10, clamping block; 11, adjusting rod; 12, reset spring; 13, adjusting ring; 14, support frame; 15, limiting frame; 16, lifting gear; 17, motor; 18, lifting gear slot; 19, lifting rod; 20, elastic measuring mechanism. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of inner diameter detection equipment for foundation pit cast-in-place pile, including platform 1;The top of platform 1 is equipped with motor 17, and the bottom of platform 1 is provided with elastic measuring mechanism 20;Further comprising: one side of platform 1 is provided with positioning groove 2, and positioning groove 2 is inserted with ground thorn 3 in the middle, and the top of ground thorn 3 is fixedly connected with positioning ring 4;Positioning groove 2 is opened in the outside of platform 1, and positioning groove 2 and ground thorn 3 are not less than two groups, as shown in Figure 1 、 Figure 3 The separation of ground thorn 3 and platform 1 facilitates the adjustment of the position of platform 1, making the lifting of lifting rod 19 more convenient and fast, and the position of platform 1 after adjustment is positioned by ground thorn 3, so that the stability of platform 1 when in use is stronger, thus making the utility of the inner diameter detection equipment for foundation pit cast-in-place pile stronger.

[0030] Among them, the other side of platform 1 is provided with sliding groove 5, and sliding groove 5 is fixedly connected with sliding rod 6 in the middle, and sliding rod 6 is sleeved with extrusion spring 7 outside, and one side of extrusion spring 7 is overlapped with sliding frame 8, and the bottom of sliding frame 8 is fixedly connected with extrusion plate 9, and the upper end of sliding frame 8 is overlapped with clamping block 10, and the top of clamping block 10 is fixedly connected with adjusting rod 11, and adjusting rod 11 is sleeved with reset spring 12 outside, and the top of adjusting rod 11 is fixedly connected with adjusting ring 13, and the bottom of adjusting ring 13 is overlapped with support frame 14;Sliding groove 5, sliding rod 6, extrusion spring 7, sliding frame 8, extrusion plate 9, clamping block 10, adjusting rod 11 and reset spring 12 are provided as three groups;Extrusion spring 7 is arranged on the side of sliding rod 6 away from positioning groove 2;Support frame 14 is fixedly connected in the middle of the top surface of platform 1, as shown in Figures 1-4 By pulling adjusting ring 13, the extrusion plate 9 is realized to be in close contact with the inner wall of the foundation pit in the mode that clamping block 10 and extrusion plate 9 are quickly separated, the lifting rod 19 is quickly centered, the measurement accuracy is reduced due to the inclination of elastic measuring mechanism 20 during detection, and the use is more convenient and fast, thus making the utility of the inner diameter detection equipment for foundation pit cast-in-place pile stronger.

[0031] The top end of the support frame 14 is fixedly connected with a limiting frame 15, one side of the middle of the limiting frame 15 is rotatably connected with a lifting gear 16, one side of the lifting gear 16 is meshingly connected with a lifting gear slot 18, and one side of the lifting gear slot 18 is provided with a lifting rod 19. Figure 1 、 Figure 3 、 Figure 5 The symmetrically arranged lifting gears 16 reduce the shaking of the lifting rod 19 and improve the stability of the lifting rod 19 during lifting, so that the detection of the inner rib of the foundation bored pile is more accurate, and the elastic measuring mechanism 20 is the same as the elastic measuring mechanism in the prior art, i.e., a building foundation bored pile hole diameter detection device with a patent number CN211623405U, which will not be repeated here, so that the practicability of the inner diameter detection equipment of the foundation bored pile is stronger.

[0032] Working principle: when using the inner diameter detection equipment, first, push the pressing plate 9 to make the sliding frame 8 slide on the sliding rod 6 in the sliding groove 5, and make the compression spring 7 contract, then the upper end of the sliding frame 8 pushes the clamping block 10 to contract to the reset spring 12, and makes the sliding frame 8 clamped in the middle of the support frame 14.

[0033] Secondly, place the platform 1 in the middle of the foundation pit through the pressing plate 9, then pull the adjusting ring 13 upwards, make the adjusting ring 13 drive the bottom clamping block 10 of the adjusting rod 11 to rise, and make the pressing plate 9 quickly fit the inner wall of the foundation pit under the action of the compression spring 7, then insert the ground spike 3 into the positioning groove 2, and make the ground spike 3 stably connected with the ground through the positioning ring 4.

[0034] Finally, control the motor 17 to make the motor 17 drive the lifting gear 16 in the limiting frame 15 to rotate, realize that the lifting gear 16 drives the lifting rod 19 to lift through the lifting gear slot 18, make the lifting of the elastic measuring mechanism 20, and complete the detection of the inner diameter.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for detecting the inner diameter of a cast-in-place pile for a foundation pit, comprising a platform (1); A motor (17) is installed above the platform (1), and an elastic measuring mechanism (20) is arranged below the platform (1); characterized in that Further comprising: A positioning groove (2) is formed on one side of the platform (1), a ground spike (3) is inserted in the middle of the positioning groove (2), and a positioning ring (4) is fixedly connected to the top end of the ground spike (3); Wherein, a sliding groove (5) is formed on the other side of the platform (1), a sliding rod (6) is fixedly connected in the middle of the sliding groove (5), an extrusion spring (7) is sleeved on the outer side of the sliding rod (6), a sliding frame (8) is lapped on one side of the extrusion spring (7), an extrusion plate (9) is fixedly connected to the bottom of the sliding frame (8), a clamping block (10) is lapped on the upper end of the sliding frame (8), an adjusting rod (11) is fixedly connected to the top end of the clamping block (10), a return spring (12) is sleeved on the outer side of the adjusting rod (11), an adjusting ring (13) is fixedly connected to the top end of the adjusting rod (11), and a support frame (14) is lapped on the bottom of the adjusting ring (13); Wherein, a limiting frame (15) is fixedly connected to the top end of the support frame (14), a lifting gear (16) is rotatably connected to one side of the middle of the limiting frame (15), a lifting tooth groove (18) is meshingly connected to one side of the lifting gear (16), and a lifting rod (19) is arranged on one side of the lifting tooth groove (18).

2. The inner diameter detection device for a cast-in-place pile of a foundation pit according to claim 1, characterized in that: The positioning groove (2) is formed on the outer side of the platform (1), and the positioning groove (2) and the ground spike (3) are arranged in not less than two groups.

3. The equipment for detecting the inner diameter of a cast-in-place pile of a foundation pit according to claim 1, characterized in that: The sliding groove (5), the sliding rod (6), the extrusion spring (7), the sliding frame (8), the extrusion plate (9), the clamping block (10), the adjusting rod (11) and the return spring (12) are arranged in three groups.

4. The inner diameter detection device for a cast-in-place pile of a foundation pit according to claim 1, characterized in that: The extrusion spring (7) is arranged on the side of the sliding rod (6) away from the positioning groove (2).

5. The inner diameter detection device for a cast-in-place pile of a foundation pit according to claim 1, characterized in that: The support frame (14) is fixedly connected to the middle of the top surface of the platform (1).

6. The inner diameter detection device for a cast-in-place pile of a foundation pit according to claim 1, characterized in that: The lifting gears (16) are symmetrically arranged in the middle of the limiting frame (15), the lifting tooth grooves (18) are symmetrically arranged on both sides of the lifting rod (19), and one side of the lifting gear (16) on one side is fixedly connected to one side of the motor (17).

7. The equipment for detecting the inner diameter of a cast-in-place pile of a foundation pit according to claim 1, characterized in that: The upper end of the lifting rod (19) sequentially passes through the platform (1), the support frame (14) and the limiting frame (15), and the bottom of the lifting rod (19) is fixedly connected to the elastic measuring mechanism (20).

Citation Information

Patent Citations

  • Building foundation pit cast-in-place pile hole diameter detection device

    CN211623405U

  • A hole diameter detection device for foundation pit cast-in-place piles

    CN221032582U