Foldable measuring instrument for geotechnical engineering design

Abstract

The utility model relates to the technical field of measuring equipment, and belongs to a foldable measuring instrument for geotechnical engineering design, which comprises a measuring instrument main body, the lower part of the measuring instrument main body is connected to a connecting plate, the lower part of the connecting plate is connected with a foldable bracket, the foldable bracket comprises a main folding component, an auxiliary folding component and a rotating joint, the main folding assembly and the auxiliary folding assembly are connected through a rotating joint, the main folding assembly comprises a hollow rod, a bearing connecting rod and a telescopic joint, the hollow rod and the bearing connecting rod are connected through the telescopic joint, a push-pull assembly is arranged at the bottom of the connecting plate, and the push-pull assembly is connected with the top end of the bearing connecting rod. The measuring instrument support is a foldable support and is provided with the main folding assembly and the auxiliary folding assembly, the main folding assembly can be telescopically changed, the auxiliary folding assembly can be turned over, the support can be easily assembled or retracted through cooperation of the main folding assembly and the auxiliary folding assembly, operation is easy, the carrying difficulty can be reduced, and meanwhile the workload of measuring personnel can be reduced. And when the device needs to be used or withdrawn, the device can be used or withdrawn in a short time, so that the operation time of measurement personnel is greatly saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measuring equipment belongs to a kind of foldable geotechnical engineering design measuring instrument. BACKGROUND

[0002] In the actual operation of geotechnical engineering design, the topography, geomorphology, geotechnical physical properties and other accurate measurements of the construction site are crucial. However, the traditional geotechnical engineering measuring instrument exposes many problems that cannot be ignored.

[0003] Most existing measuring instruments have large overall volume and fixed shape, making transportation difficult in rugged and complex terrain such as mountains and forests. Workers need to spend a lot of physical labor to carry them, and due to terrain restrictions, it is difficult to quickly reach the measurement point, greatly slowing down the progress of the measurement work. Some measuring instruments are designed with detachable measuring bodies, support rods and other components for easy carrying. When not in use, the components are disassembled and packed in boxes, and assembled when in use. However, assembly often takes a lot of time and increases the workload of workers. Frequent disassembly and assembly can damage the assembly joints, making it difficult to use in practice. SUMMARY

[0004] To solve the above technical problems, the utility model provides a foldable geotechnical engineering design measuring instrument.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The present application provides a foldable geotechnical engineering design measuring instrument, which comprises a measuring instrument main body, the measuring instrument main body is connected to the connecting plate at the lower part, the connecting plate is connected to the foldable support at the lower part, the foldable support comprises a main folding assembly, a secondary folding assembly and a rotary joint, the main folding assembly and the secondary folding assembly are connected by the rotary joint, the main folding assembly comprises a hollow rod, a receiving link and an extension joint, the hollow rod and the receiving link are connected by the extension joint, the bottom of the connecting plate is provided with a push-pull assembly, and the push-pull assembly is connected to the top end of the receiving link.

[0007] Preferably, the extension joint comprises an outer ring, a groove array composed of a plurality of grooves is formed in the inner ring, a receiving groove array composed of a plurality of receiving grooves is formed in the outer wall of the upper part of the receiving link, the receiving groove array and the groove array are correspondingly arranged, and a ball array is arranged in the receiving groove array and the groove array.

[0008] Preferably, the outer ring is provided with a limiting ring at both ends, and the limiting ring is located at both ends of the groove array.

[0009] As preferred, the rotating joint comprises a mounting plate connected to the lower end of the receiving connecting rod, a plurality of mounting grooves are formed on the mounting plate, a transfer shaft is connected in the mounting grooves, and a transfer seat is movably connected on the transfer shaft.

[0010] As preferred, the sub-folding assembly comprises an opening-closing rod and a supporting rod, the upper end of the opening-closing rod is connected with the transfer seat, the lower end of the opening-closing rod is provided with a rotary shaft, the upper part of the supporting rod is provided with a rotary ring, and the rotary ring is movably connected with the rotary shaft.

[0011] As preferred, the upper end of the supporting rod is provided with a positioning hole, a matching hole is formed on the opening-closing rod in correspondence, the positioning hole and the matching hole are connected through a detachable positioning pin, and the lower end of the supporting rod is provided with a grounding sharp cone.

[0012] The upper end of the hollow rod is fixedly connected with a supporting seat, and the multi-stage telescopic rod is connected into the hollow rod through the supporting seat.

[0013] Compared with the prior art, the utility provides a foldable measuring instrument for geotechnical engineering design, which has the following beneficial effects:

[0014] The measuring instrument support is a foldable support, which is provided with a main folding assembly and a sub-folding assembly, the main folding assembly can be changed in length, the sub-folding assembly can be folded, and the support can be easily assembled or retracted through cooperation of the two, so that the operation is simple, the carrying difficulty is reduced, and the workload of the measuring personnel is reduced.

[0015] The features and advantages of the utility will be described in detail through embodiments combined with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility;

[0017] Figure 2 It is a front view of the utility;

[0018] Figure 3 It is Figure 2 A half-sectional view in A-A direction, a schematic diagram of the structure of the main folding assembly of the utility;

[0019] Figure 4 It is a schematic diagram of the structure of the sub-folding assembly of the utility;

[0020] In the figure: 1, the main body of the measuring instrument; 2, the connecting plate; 3, the foldable support; 4, the push-pull assembly; 31, the main folding assembly; 32, the auxiliary folding assembly; 33, the rotary joint; 311, the hollow rod; 312, the receiving connecting rod; 313, the telescopic joint; 321, the opening and closing rod; 322, the supporting rod; 323, the rotary shaft; 324, the rotary ring; 325, the positioning hole; 326, the matching hole; 327, the positioning pin; 328, the grounding sharp cone; 331, the mounting plate; 332, the mounting groove; 333, the adapter shaft; 334, the adapter seat; 3131, the outer ring; 3132, the groove array; 3133, the containing groove array; 3134, the ball array; 3135, the limiting ring; 41, the support seat; 42, the multi-stage telescopic rod. DETAILED DESCRIPTION

[0021] To make the purpose, technical scheme and advantages of the present application more clear and intelligible, the present application is further described in detail below with the help of drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0022] Referring to Figures 1-4 The present application provides a foldable measuring instrument for geotechnical engineering design, comprising a measuring instrument main body 1, the lower part of the measuring instrument main body 1 is connected to the connecting plate 2, the lower part of the connecting plate 2 is connected to the foldable support 3, the foldable support 3 comprises a main folding assembly 31, an auxiliary folding assembly 32 and a rotary joint 33, the main folding assembly 31 and the auxiliary folding assembly 32 are connected through the rotary joint 33, the main folding assembly 31 comprises a hollow rod 311, a receiving connecting rod 312 and a telescopic joint 313, the hollow rod 311 and the receiving connecting rod 312 are connected through the telescopic joint 313, the bottom of the connecting plate 2 is provided with a push-pull assembly 4, and the push-pull assembly 4 is connected to the top end of the receiving connecting rod 312.

[0023] Referring to Figure 3 Specifically, the telescopic joint 313 comprises an outer ring 3131, a groove array 3132 composed of a plurality of grooves is formed in the outer ring 3131, a containing groove array 3133 composed of a plurality of containing grooves is formed in the outer wall of the upper part of the receiving connecting rod 312, the containing groove array 3133 and the groove array 3132 are correspondingly arranged, and a ball array 3134 is arranged in the containing groove array 3133 and the groove array 3132. The ball array 3134 can roll in the containing groove array 3133 and the groove array 3132, which is conducive to reducing the friction between the receiving connecting rod 312 and the hollow rod 311 when the relative movement between them is reduced, thereby ensuring the stability of the device.

[0024] Referring to Figure 3Specifically, the outer ring piece 3131 is provided with a limiting ring 3135 at both ends, and the limiting ring 3135 is located at both ends of the groove array 3132.

[0025] Referring to Figure 4 Specifically, the rotating joint 33 comprises a mounting plate 331 connected to the lower end of the receiving connecting rod 312, a plurality of mounting grooves 332 are formed in the mounting plate 331, a connecting shaft 333 is connected in the mounting groove 332, and a connecting seat 334 is movably connected to the connecting shaft 333.

[0026] Referring to Figure 4 Specifically, the auxiliary folding assembly 32 comprises an opening and closing rod 321 and a supporting rod 322, the upper end of the opening and closing rod 321 is connected to the connecting seat 334, the lower end of the opening and closing rod 321 is provided with a rotary shaft 323, the upper part of the supporting rod 322 is provided with a rotary ring 324, the rotary ring 324 and the rotary shaft 323 are movably connected, the supporting rod 322 can be rotated through the rotary ring 324 and the rotary shaft 323, and the opening and closing rod 321 can be folded back or pulled out.

[0027] Referring to Figure 4 Specifically, the upper end of the supporting rod 322 is provided with a positioning hole 325, the opening and closing rod 321 is correspondingly provided with a matching hole 226, the positioning hole 325 and the matching hole 226 are connected through a detachable positioning pin 227, the lower end of the supporting rod 322 is provided with a grounding sharp cone 328, and the grounding sharp cone 328 is used for being inserted into the soil layer to stabilize the device.

[0028] Referring to Figure 3 Specifically, the push-pull assembly 4 comprises a supporting seat 41 and a multi-stage telescopic rod 42, the supporting seat 41 is fixedly connected to the inner wall of the upper end of the hollow rod 311, the multi-stage telescopic rod 42 is connected in the hollow rod 311 through the supporting seat 41, and the output end of the multi-stage telescopic rod 42 is connected with the receiving connecting rod 312.

[0029] The working principle of the utility model:

[0030] When the device is assembled, the main folding assembly 31 is first stretched, the multi-stage telescopic rod 42 is started, the receiving connecting rod 312 is pushed to move along the hollow rod 311 in the axial direction by the elongation of the multi-stage telescopic rod 42, until the receiving connecting rod 312 is stretched to the predetermined length. During this process, the ball array 3134 rolls in the accommodating groove array 3133 and the groove array 3132, which helps to reduce the friction between the receiving connecting rod 312 and the hollow rod 311 when the relative movement is ensured. After that, the opening and closing rod 321 is pulled, the secondary folding assembly 32 is rotated through the rotary joint 33, and a certain support angle is formed between the main folding assembly 31 and the secondary folding assembly 32. Then the support rod 322 is pulled out of the opening and closing rod 321, and is turned over until the positioning hole 325 and the matching hole 226 are aligned. Then the positioning pin 227 is inserted into the positioning hole 325 and the matching hole 226, and the fixation between the opening and closing rod 321 and the support rod 322 is completed, thereby completing the assembly of the bracket.

[0031] When the device is retracted, the positioning pin 227 is pulled out of the positioning hole 325 and the matching hole 226, the support rod 322 is turned over and retracted into the opening and closing rod 321, then the opening and closing rod 321 is pressed down, and the rotary joint 33 is rotated until they are close to each other. Then the multi-stage telescopic rod 42 is started to retract, driving the receiving connecting rod 312 to retreat into the hollow rod 311, and at the same time, the secondary folding assembly 32 is retracted into the hollow rod 311 after being close to each other, thereby completing the folding of the bracket, reducing the space of the device and facilitating carrying.

[0032] The above is only the preferred embodiment of the utility model, and does not limit the utility model. Any modification, equivalent replacement or improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A collapsible geotechnical design surveyor, characterised in that: The utility model provides a kind of portable measuring instrument, including measuring instrument main body (1), the lower part of the measuring instrument main body (1) is connected on connecting plate (2), the lower part of the connecting plate (2) is connected with foldable support (3), the foldable support (3) includes main folding assembly (31), vice folding assembly (32) and rotary joint (33), the main folding assembly (31) and vice folding assembly (32) are connected by rotary joint (33), the main folding assembly (31) includes hollow rod (311), receiving connecting rod (312) and telescopic joint (313), the hollow rod (311) and receiving connecting rod (312) are connected by telescopic joint (313), the bottom of the connecting plate (2) is equipped with push-pull assembly (4), and the push-pull assembly (4) is connected with the top of receiving connecting rod (312).

2. The collapsible geotechnical design surveying instrument of claim 1, wherein: The telescopic joint (313) includes outer ring (3131), the outer ring (3131) is internally provided with groove array (3132) composed of a plurality of grooves, the outer wall of the upper part of the receiving connecting rod (312) is provided with containing groove array (3133) composed of a plurality of containing grooves, the containing groove array (3133) is correspondingly arranged with the groove array (3132), and the containing groove array (3133) and the groove array (3132) are provided with ball array (3134) therein.

3. A collapsible geotechnical design surveying instrument as claimed in claim 2 wherein: The both ends of the outer ring (3131) are provided with limiting rings (3135), and the limiting rings (3135) are located at the both ends of the groove array (3132).

4. The collapsible geotechnical design surveying instrument of claim 1, wherein: The rotary joint (33) includes mounting plate (331), the mounting plate (331) is connected to the lower end of the receiving connecting rod (312), a plurality of mounting grooves (332) are formed in the mounting plate (331), the mounting grooves (332) are connected with adapter shafts (333), and the adapter shafts (333) are movably connected with adapter seats (334).

5. A collapsible geotechnical design surveying instrument as claimed in claim 4 wherein: The vice folding assembly (32) includes opening and closing rod (321) and support rod (322), the upper end of the opening and closing rod (321) is connected with the adapter seat (334), the lower end of the opening and closing rod (321) is provided with a swivel shaft (323), the upper part of the support rod (322) is provided with a swivel ring (324), and the swivel ring (324) is movably connected with the swivel shaft (323).

6. A collapsible geotechnical design surveying instrument as claimed in claim 5 wherein: The upper end of the support rod (322) is provided with a positioning hole (325), the opening and closing rod (321) is correspondingly provided with a matching hole (226), the positioning hole (325) and the matching hole (226) are connected through a detachable positioning pin (227), and the lower end of the support rod (322) is provided with a grounding sharp cone (328).

7. The collapsible geotechnical design surveying instrument of claim 1, wherein: The push-pull assembly (4) includes support seat (41) and multi-stage telescopic rod (42), the support seat (41) is fixedly connected to the inner wall upper end of the hollow rod (311), the multi-stage telescopic rod (42) is connected in the hollow rod (311) through the support seat (41), and the output end of the multi-stage telescopic rod (42) is connected with the receiving connecting rod (312).

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