Soft soil deep foundation pit supporting and monitoring device

Abstract

The utility model relates to the technical field of deep foundation pit support monitoring, in particular to a soft soil deep foundation pit support monitoring device which comprises a circular adjustable head connecting plate, an axial force meter and a connecting cable, an installation sleeve is connected to the outer side of the axial force meter in a sleeved mode, a U-shaped groove used for containing the connecting cable is formed in one side of the installation sleeve, and the U-shaped groove is connected with the connecting cable in a sleeved mode. The outer wall of the installation sleeve is fixedly connected with supporting plates with the same size, the spring telescopic rod, the arc-shaped positioning plate, the installation sleeve and the like are arranged to form a structure, the spring telescopic rod is stretched to enable the arc-shaped damping pad and the arc-shaped positioning plate to be connected to the outer side of the circular adjustable head connecting plate in a sleeving mode, and the supporting plates with the same size are fixedly connected to the outer wall of the installation sleeve. The installation sleeve is installed on the circular adjustable head connecting plate, then the axial force meter is placed in the installation sleeve, the soft soil deep foundation pit supporting and monitoring device is installed on the soft soil deep foundation pit supporting and monitoring device through bolts, and the capacity of disassembly and maintenance can be achieved after the soft soil deep foundation pit supporting and monitoring device is installed.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pit support monitoring, in particular to a soft soil deep foundation pit support monitoring device. Background Art

[0002] With the rapid development of construction projects, steel support structures are generally used as a supporting wall component in the construction of soft soil deep foundation pit support structures. When in use, retaining piles are first set on the soil on both sides of the foundation pit, and then the two ends of the steel support structure respectively support the retaining piles on the soil on both sides of the foundation pit. In order to ensure the quality of the supporting wall, a soft soil deep foundation pit support monitoring device is usually installed on the steel support structure to monitor the force of the support.

[0003] A common soft soil deep foundation pit support monitoring device on a steel support structure welds the mounting frame directly to the movable head connecting plate of the steel support structure during installation. This may cause inconvenience in maintenance after the soft soil deep foundation pit support monitoring device is installed. Therefore, a soft soil deep foundation pit support monitoring device is proposed to address the above problem. Utility Model Content

[0004] The utility model aims to provide a soft soil deep foundation pit support monitoring device to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A soft soil deep foundation pit support monitoring device comprises a circular active head connecting plate, an axial force meter and a connecting cable, the outer side of the axial force meter is sleeved with a mounting sleeve, one side of the mounting sleeve is provided with a U-shaped groove for placing the connecting cable, the outer wall of the mounting sleeve is fixedly connected with a support plate of equal size, the inner side of the mounting sleeve is provided with a first screw hole of equal size, the inner side of the first screw hole is provided with a first bolt for positioning the axial force meter, the outer wall of the mounting sleeve on the side close to the circular active head connecting plate is fixedly connected with a spring telescopic rod, the outer side of the spring telescopic rod is sleeved with a telescopic spring, the end of the spring telescopic rod away from the mounting sleeve is fixedly connected with an arc-shaped damping pad, the inner side of the arc-shaped damping pad is provided with a plurality of through holes of equal aperture size, the side of the arc-shaped damping pad away from the spring telescopic rod is fixedly connected with an arc-shaped positioning plate, the arc-shaped positioning plate is provided with a plurality of second screw holes of equal aperture size, the inner side of the second screw hole is provided with a second bolt, and the inner side of the circular active head connecting plate is provided with a third screw hole.

[0007] Preferably, the second screw hole and the through hole are arranged in a one-to-one correspondence, the through hole and the third screw hole are arranged in a one-to-one correspondence, and the second bolt is arranged in the second screw hole, the through hole and the third screw hole in sequence.

[0008] Preferably, the telescopic spring is arranged between the arc-shaped damping pad and the mounting sleeve, and two ends of the telescopic spring are fixedly connected to the arc-shaped damping pad and the mounting sleeve respectively.

[0009] Preferably, the spring telescopic rods are arranged in an equiangular array with the same center, and the arc-shaped damping pads are arranged in an equiangular array with the same center on the outside of the circular active head connecting plate, and the inner wall of the arc-shaped damping pad is in contact with the circular active head connecting plate.

[0010] Preferably, the support plates are arranged in an equiangular array with the same center, and the support plates are fitted with the circular active head connecting plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, through the structure composed of the spring telescopic rod, the arc damping pad, the arc positioning plate and the installation sleeve, the spring telescopic rod is stretched to sleeve the arc damping pad and the arc positioning plate on the outside of the circular active head connecting plate, so that the installation sleeve is installed on the circular active head connecting plate, and then the axial force meter is placed in the installation sleeve, and then the soft soil deep foundation pit support monitoring device is hoisted to the set position, so that the soft soil deep foundation pit support monitoring device is installed on the soft soil deep foundation pit support monitoring device by bolts, and the soft soil deep foundation pit support monitoring device can be disassembled and maintained after the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of the structure at A;

[0015] Figure 3 This is a schematic diagram of the structure of the installation sleeve of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the third screw hole of the utility model;

[0017] Figure 5 This is a structural schematic diagram of the arc-shaped positioning plate of the utility model;

[0018] Figure 6 It is a schematic diagram of the structure of the arc-shaped damping pad of the utility model.

[0019] In the figure: 1. circular movable head connecting plate; 2. axial force meter; 3. connecting cable; 4. mounting sleeve; 5. U-shaped groove; 6. support plate; 7. first screw hole; 8. first bolt; 9. spring telescopic rod; 10. telescopic spring; 11. arc damping pad; 12. arc positioning plate; 13. second screw hole; 14. through hole; 15. third screw hole; 16. second bolt. DETAILED DESCRIPTION

[0020] 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.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0023] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0024] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0025] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0026] See also Figure 1-6 , the utility model provides a technical solution:

[0027] A soft soil deep foundation pit support monitoring device, comprising a circular active head connecting plate 1, an axial force meter 2 and a connecting cable 3, a mounting sleeve 4 is sleeved on the outer side of the axial force meter 2, a U-shaped groove 5 for placing the connecting cable 3 is provided on one side of the mounting sleeve 4, a support plate 6 of equal size is fixedly connected to the outer wall of the mounting sleeve 4, a first screw hole 7 of equal size is provided on the inner side of the mounting sleeve 4, a first bolt 8 for positioning the axial force meter 2 is provided on the inner side of the first screw hole 7, and a spring is fixedly connected to the outer wall of the mounting sleeve 4 on one side close to the circular active head connecting plate 1 A telescopic rod 9, a telescopic spring 10 is sleeved on the outer side of the spring telescopic rod 9, an end of the spring telescopic rod 9 away from the mounting sleeve 4 is fixedly connected with an arc-shaped damping pad 11, a plurality of through holes 14 with equal aperture sizes are provided on the inner side of the arc-shaped damping pad 11, a side of the arc-shaped damping pad 11 away from the spring telescopic rod 9 is fixedly connected with an arc-shaped positioning plate 12, a plurality of second screw holes 13 with equal aperture sizes are provided on the arc-shaped positioning plate 12, a second bolt 16 is provided on the inner side of the second screw hole 13, and a third screw hole 15 is provided on the inner side of the circular movable head connecting plate 1.

[0028] The second screw hole 13 is arranged in a one-to-one correspondence with the through hole 14, and the through hole 14 is arranged in a one-to-one correspondence with the third screw hole 15. The second bolt 16 is arranged in the second screw hole 13, the through hole 14 and the third screw hole 15 in sequence. This arrangement enables the second bolt 16 to position the arc-shaped positioning plate 12; the telescopic spring 10 is arranged between the arc-shaped damping pad 11 and the mounting sleeve 4, and the two ends of the telescopic spring 10 are fixedly connected to the arc-shaped damping pad 11 and the mounting sleeve 4 respectively. This arrangement enables the installation of the telescopic spring 10; the spring telescopic rods 9 are arranged in an equiangular array with the same center, and the arc The arc damping pads 11 are arranged in an equiangular array with the same center on the outside of the circular active head connecting plate 1, and the inner wall of the arc damping pad 11 is in contact with the circular active head connecting plate 1. This arrangement allows the arc damping pad 11 to increase the friction between the circular active head connecting plate 1 and the arc positioning plate 12, so that the arc positioning plate 12 can be stably clamped on the outside of the circular active head connecting plate 1; the support plates 6 are arranged in an equiangular array with the same center, and the support plates 6 are in contact with the circular active head connecting plate 1. This arrangement allows the mounting sleeve 4 to be stably installed on the circular active head connecting plate 1.

[0029] Working process: When the soft soil deep foundation pit support monitoring device is used to detect the soft soil deep foundation pit support, the soft soil deep foundation pit support monitoring device is installed on the steel structure used for foundation pit support, and the spring telescopic rod 9 is stretched to sleeve the arc damping pad 11 and the arc positioning plate 12 on the outer side of the circular active head connecting plate 1 of the steel structure. Under the elastic force of the spring telescopic rod 9 and the telescopic spring 10, the arc damping pad 11 and the arc positioning plate 12 will clamp the circular active head connecting plate 1. When the arc damping pad 11 is completely aligned with the outer wall of the circular active head connecting plate 1, the second bolt 16 is passed through the second screw hole 13, the through hole 14 and the third screw hole 15 in sequence to realize the positioning of the arc positioning plate 12. At this time The support plate 6 fits with the circular movable head connecting plate 1, so that the installation sleeve 4 is installed on the circular movable head connecting plate 1, and then the axial force meter 2 is placed in the installation sleeve 4, and the connecting cable 3 is placed in the U-shaped groove 5 opened on the inner side of the installation sleeve 4. The first bolt 8 is passed through the first screw hole 7 to position the axial force meter 2, so that the axial force meter 2 is stably placed in the installation sleeve 4, and then the soft soil deep foundation pit support monitoring device is hoisted together at the set position. After the soft soil deep foundation pit support monitoring device is placed at the set position, the first bolt 8 is rotated to cancel the limit on the axial force meter 2, so that the axial force meter 2 is freely subjected to force, so that the axial force meter 2 can detect the soft soil deep foundation pit support.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soft soil deep foundation pit support monitoring device, comprising a circular flexible head connecting plate (1), an axial force meter (2) and a connecting cable (3), characterized in that: The outer side of the axial force meter (2) is sleeved with a mounting sleeve (4), one side of the mounting sleeve (4) is provided with a U-shaped groove (5) for placing a connecting cable (3), the outer wall of the mounting sleeve (4) is fixedly connected with a support plate (6) of equal size, the inner side of the mounting sleeve (4) is provided with a first screw hole (7) of equal size, the inner side of the first screw hole (7) is provided with a first bolt (8) for positioning the axial force meter (2), the outer wall of the mounting sleeve (4) on the side close to the circular movable head connecting plate (1) is fixedly connected with a spring telescopic rod (9), the outer side of the spring telescopic rod (9) is sleeved with A telescopic spring (10), wherein one end of the spring telescopic rod (9) away from the mounting sleeve (4) is fixedly connected to an arc-shaped damping pad (11), a plurality of through holes (14) of equal diameter are provided on the inner side of the arc-shaped damping pad (11), a side of the arc-shaped damping pad (11) away from the spring telescopic rod (9) is fixedly connected to an arc-shaped positioning plate (12), a plurality of second screw holes (13) of equal diameter are provided on the arc-shaped positioning plate (12), a second bolt (16) is provided on the inner side of the second screw hole (13), and a third screw hole (15) is provided on the inner side of the circular movable head connecting plate (1).

2. A soft soil deep foundation pit support monitoring device according to claim 1, characterized in that: The second screw holes (13) and the through holes (14) are arranged in a one-to-one correspondence, the through holes (14) and the third screw holes (15) are arranged in a one-to-one correspondence, and the second bolts (16) are arranged in the second screw holes (13), the through holes (14) and the third screw holes (15) in sequence.

3. The soft soil deep foundation pit support monitoring device according to claim 1 is characterized by: The telescopic spring (10) is arranged between the arc-shaped damping pad (11) and the mounting sleeve (4), and two ends of the telescopic spring (10) are respectively fixedly connected to the arc-shaped damping pad (11) and the mounting sleeve (4).

4. The soft soil deep foundation pit support monitoring device according to claim 1 is characterized by: The spring telescopic rods (9) are arranged in an equiangular array with the same center, and the arc-shaped damping pads (11) are arranged in an equiangular array with the same center on the outside of the circular movable head connecting plate (1), and the inner wall of the arc-shaped damping pad (11) is in contact with the circular movable head connecting plate (1).

5. The soft soil deep foundation pit support monitoring device according to claim 1 is characterized in that: The support plates (6) are arranged in an equiangular array with the same center, and the support plates (6) fit the circular active head connecting plate (1).

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