CN220813774U - Soil pressure testing device capable of adjusting embedded depth and strictly guaranteeing verticality - Google Patents

Abstract

The utility model discloses a soil pressure testing device capable of adjusting the embedding depth and strictly guaranteeing the verticality, which belongs to the technical field of geotechnical engineering and comprises a soil pressure testing mechanism, a fixer and a quick link mechanism; the upper end and the lower end of the soil pressure testing mechanism are respectively detachably connected with the retainers, the hanger holes arranged on the retainers are connected with the hangers, and the outsides of the two retainers are connected through the quick link mechanism; the inside of PVC piece is provided with vertical through-hole, and circular recess fixed mounting that sets up on the first PVC piece has soil pressure cell, and the input of data line is connected to soil pressure cell, and the output of data line stretches out the vertical through-hole of reservation of fixer through first vertical through-hole. The utility model can be assembled in various block combination forms, reduces drilling depth, controls engineering cost, adopts a quick linking mechanism, can always keep verticality in the descending process of the device, can not cause the condition of blocking caused by rotation, is convenient to embed, and saves working hours and labor cost.

Description

A soil pressure testing device capable of adjusting the verticality of the buried depth

Technical Field

The utility model belongs to the technical field of geotechnical engineering, and in particular relates to a soil pressure testing device capable of adjusting the verticality of the buried depth and strictly ensuring the verticality.

Background technique

In the process of infrastructure construction, slope excavation is inevitable. During the slope excavation process, stress release and deformation occur. The soil pressure test data inside the slope is usually used as an important basis for judging the stability of the slope. During the construction process, soil pressure boxes are usually placed behind the slope excavation area to reflect the internal stress level of the slope in order to judge the stability of the slope. Therefore, obtaining reliable soil pressure monitoring data is of great practical significance for evaluating the safety of slope engineering.

At present, the main methods for burying earth pressure boxes by forming boreholes are: rope-pulling and weight-dropping method, box-embedded method, steel cage method and plastic material slot method. In the implementation of the rope-pulling and weight-dropping method, the earth pressure box is not easy to be buried to the specified depth and the pressure-bearing direction of the earth pressure box cannot be dynamically adjusted, and the measurement accuracy is not high. The box-embedded method and the steel cage method are to first fix the earth pressure box on the box or steel cage, and then use large-scale mechanical equipment to suspend it. The operation is difficult and the cost is high, especially in the subsequent soil backfilling process. It is easy to be damaged or shifted due to unreliable fixation, resulting in the inability to collect effective data. The plastic material slot method is light and flexible to use, but its strength is low and it is easy to break. In the case of complex geological conditions, the data cable is easily damaged and fails, and data transmission cannot be carried out.

Therefore, it is necessary to solve the problems of inaccurate burial depth and low burial efficiency of earth pressure boxes.

Utility Model Content

The utility model aims to overcome the problems of inaccurate burial depth and low burial efficiency of the earth pressure box, and provides an earth pressure testing device with adjustable burial depth and strict vertical guarantee, so as to protect the data line from disturbance and avoid damage and failure of the data line.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A soil pressure testing device with adjustable burial depth and strict verticality guarantee comprises a soil pressure testing mechanism, a fixture and a quick link mechanism; two fixtures are provided, and the upper and lower ends of the soil pressure testing mechanism are respectively detachably connected to the fixtures, and the fixture is provided with a hoisting device hole, and the hoisting device hole is connected to the hoist, and the outsides of the two fixtures are connected by a quick link mechanism; the soil pressure testing mechanism comprises a PVC block, and the interior of the PVC block is provided with a vertical through hole, and the PVC block comprises a first PVC block, and the first PVC block is provided with a circular groove, and a soil pressure box is fixedly installed in the circular groove, and the soil pressure box is connected to the input end of the data line, and the vertical through hole comprises a first vertical through hole, and the output end of the data line extends through the first vertical through hole to the reserved vertical through hole of the fixture provided at the upper end of the soil pressure testing mechanism.

Furthermore, the vertical through hole also includes a second vertical through hole, a fixing piece is installed inside the second vertical through hole, a vertical groove is arranged inside the fixing piece, and two ends of the fixing piece are respectively plugged into the vertical groove.

Furthermore, the second vertical through holes are arranged on both sides of the soil pressure testing mechanism, and the second vertical through holes on both sides are symmetrically distributed about the axis of the soil pressure testing mechanism.

Furthermore, the PVC block also includes a second PVC block, a plurality of the second PVC blocks are provided, and the upper and lower ends of the first PVC block are detachably connected to the second PVC blocks respectively.

Furthermore, the quick connection mechanism includes a sheep eye screw, and a sheep horn bolt hole is provided on the fixer, and the sheep eye screw is connected to the sheep horn bolt hole.

Furthermore, four clevis bolt holes and four hoisting device holes are provided on each of the fixers.

Furthermore, the quick link mechanism also includes an iron chain, the tail end of the iron chain is hooked to a horn hook, and the free end of the horn hook is buckled with a horn eye screw of a fixer arranged at the lower end of the soil pressure testing mechanism.

Furthermore, a quick-connect ring is provided at the head end of the iron cable chain, and the free end of the quick-connect ring is buckled with the eyelet screw of the fixer provided at the upper end of the soil pressure testing mechanism, and the chain length of the quick-connect ring can be adjusted.

Furthermore, hot melt adhesive is provided at the fixing position between the soil pressure box and the circular groove.

Furthermore, the fixing piece is made of a steel pipe, and the fixing device is made of section steel.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model can adjust the verticality of the buried depth to strictly ensure the soil pressure test device. It can be assembled in the form of a combination of multiple blocks. When the monitoring position is deep, the first PVC block can be adjusted to be close to the lower fixture, which can reduce the drilling depth and control the project cost. The vertical position of the first PVC block can be adjusted to adjust the position of the soil pressure box. With the quick link mechanism, during the lowering process of the device, the device can always maintain verticality and will not rotate to cause jamming. The device is easy to bury, saving work time and labor costs.

The utility model discloses an earth pressure testing device which can adjust the verticality of the buried depth to strictly ensure that during the installation and lowering process, hoists are arranged on both sides of the device, which can ensure that the wire ropes on both sides remain parallel during the lowering process of the device, and the device will not be rotated and jammed due to the wire ropes crossing each other. The operation is convenient and work hours are saved.

The utility model can adjust the verticality of the buried depth to strictly ensure the soil pressure test device, and can be assembled on site using common tools and materials on the construction site. The use of a quick connection ring and an iron chain with a horn hook can conveniently and firmly ensure the stability of the device.

The utility model can adjust the verticality of the buried depth to strictly ensure the soil pressure test device uses a chain with a quick ring to fix the device. The length of the chain can be adjusted according to the height of the device, so that the assembled device is tightly connected.

After the earth pressure test device with adjustable burial depth and strictly guaranteed verticality is placed in place, the earth pressure box will not shift or fall off during subsequent backfilling of sand and soil due to the good integrity and high strength of the device. At the same time, the data line passes through the reserved vertical through hole of the internal fixture of the device, which effectively reduces the probability of data line damage and failure. Since the device is small in size, light in weight and easy to operate, the use of large lifting machinery and equipment can be reduced, saving engineering costs.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings in the specification are used to provide further understanding of the present invention and constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

FIG. 1 is a schematic diagram of a soil pressure testing device capable of adjusting the buried depth and strictly ensuring the verticality of the present invention.

Among them, 1 is the second PVC block, 2 is the first PVC block, 3 is the fixing part, 4 is the fixing device, 5 is the eyelet screw, 6 is the horn hook, 7 is the horn bolt hole, 8 is the iron chain, 9 is the hoist, 10 is the hoist hole, 11 is the earth pressure box, 12 is the data cable, 13 is the second vertical through hole, 14 is the first vertical through hole, and 15 is the hot melt adhesive.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

Embodiment 1

A soil pressure testing device with adjustable burial depth and strict verticality guarantee includes a soil pressure testing mechanism, a fixture 4 and a quick link mechanism; two fixtures 4 are provided, the upper and lower ends of the soil pressure testing mechanism are respectively connected to the fixture 4, the fixture 4 is provided with a hoist hole 10, the hoist hole 10 is connected to the hoist 9, and the outsides of the two fixtures 4 are connected through a quick link mechanism; the soil pressure testing mechanism includes a PVC block, the interior of the PVC block and is provided with a vertical through hole, the PVC block includes a first PVC block 2, the first PVC block 2 is provided with a circular groove, a soil pressure box 11 is fixedly installed in the circular groove, the soil pressure box 11 is connected to the input end of the data line 12, the vertical through hole includes a first vertical through hole 14, and the output end of the data line 12 extends through the first vertical through hole 14 to the reserved vertical through hole of the fixture 4 provided at the upper end of the soil pressure testing mechanism. Optionally, the PVC block is a rectangular PVC block.

The utility model can adjust the verticality of the soil pressure test device with strict guarantee of the buried depth, and can be assembled in the form of a combination of various blocks. When the monitoring position is deep, the first PVC block 2 can be adjusted to be close to the lower fixture 4, which can reduce the drilling depth and control the project cost. The position of the soil pressure box 11 can be adjusted by adjusting the vertical position of the first PVC block 2. With the quick link mechanism, during the lowering process of the soil pressure test device, the soil pressure test device can always maintain verticality and will not rotate and cause jamming. The soil pressure test device is easy to bury, saving working hours and labor costs.

The utility model can adjust the verticality of the soil pressure test device with strict guarantee of burial depth. During the process of installation and lowering, hoisting devices 9 are arranged on both sides of the soil pressure test device, which can ensure that the hoisting ropes on both sides remain parallel during the lowering process of the soil pressure test device, and the soil pressure test device will not be rotated and jammed due to the crossing of the hoisting ropes. The operation is convenient and labor-hours are saved.

The vertical through hole also includes a second vertical through hole 13, a fixing member 3 is installed inside the second vertical through hole 13, a vertical groove is arranged inside the fixing member 4, both ends of the fixing member 3 are respectively plugged into the vertical grooves, and the second vertical through holes 13 are arranged on both sides of the soil pressure testing mechanism, and the second vertical through holes 13 on both sides are symmetrically distributed about the axis of the soil pressure testing mechanism.

The PVC block further includes a second PVC block 1 . A plurality of second PVC blocks 1 are provided. The upper and lower ends of the first PVC block 2 are respectively connected to the second PVC blocks 1 .

The quick link mechanism comprises a sheep eye screw 5, and a sheep horn bolt hole 7 is provided on the fixer 4, and the sheep eye screw 5 is connected with the sheep horn bolt hole 7. Four sheep horn bolt holes 7 and four hoisting device holes 10 are provided on each fixer 4.

The quick link mechanism also includes an iron chain 8, the tail end of the iron chain 8 is hooked with a clevis hook 6, and the free end of the clevis hook 6 is buckled with a sheep eye screw 5 of a fixer 4 provided at the lower end of the soil pressure testing mechanism. A quick connection ring is provided at the head end of the iron chain 8, and the free end of the quick connection ring is buckled with a sheep eye screw 5 of a fixer 4 provided at the upper end of the soil pressure testing mechanism, and the chain length of the quick connection ring can be adjusted.

The utility model can adjust the verticality of the buried depth to ensure the soil pressure test device, and can be assembled on site using common tools and materials on the construction site. The quick connection ring and the iron chain 8 with the horn hook 6 can be used to conveniently and firmly ensure the stability of the soil pressure test device.

The utility model can adjust the verticality of the buried depth to strictly ensure the soil pressure test device using a chain 8 with a quick ring to fix the soil pressure test device. The length of the chain 8 can be adjusted according to the height of the soil pressure test device, so that the assembled soil pressure test device is tightly connected.

The fixing place between the earth pressure box 11 and the circular groove is provided with hot melt adhesive 15. The fixing member 3 is made of steel pipe, and the fixing device 4 is made of profiled steel.

The installation steps of an earth pressure test device with adjustable burial depth and strict verticality guarantee include: assembling the earth pressure test device, fixing the earth pressure box 11 in the circular groove on the first PVC block 2, and the data line 12 connected to the earth pressure box 11 passes upward through the first vertical through hole 14 and passes through the reserved vertical through hole of the fixer 4;

A lifting rope for lifting the earth pressure test device is tied at the hoist 9, and the assembled earth pressure test device is lowered in the on-site borehole by gradually lowering the lifting rope. When the earth pressure test device is lowered to a specified depth, the data line 12 is led out to the ground to complete the installation of the earth pressure test device.

After the earth pressure test device of the utility model with adjustable burial depth and strictly guaranteed verticality is placed in place, the earth pressure test device has good integrity and high strength, so that when backfilling sand and soil subsequently, the earth pressure box 11 will not be displaced or dropped, and at the same time, the data line 12 passes through the reserved vertical through hole of the internal fixer 4 of the earth pressure test device, which effectively reduces the probability of damage and failure of the data line 12. Since the earth pressure test device is small in size, light in weight and easy to operate, the use of large-scale lifting machinery and equipment can be reduced, saving engineering costs.

Embodiment 2

Referring to FIG. 1 , a soil pressure testing device with adjustable vertical depth and strict vertical guarantee includes four eyelet screws 5 fixed on the outer wall of a fixer 4; two hoists 9 fixed on the outer wall of the fixer 4; two fixing pieces 3 are inserted into the reserved vertical through holes on both sides of the inside of the fixer 4, and three second PVC blocks 1 with vertical through holes, a first PVC block 2 with both vertical through holes and circular grooves, three second PVC blocks 1 with vertical through holes and a fixer 4 are passed through the two fixing pieces 3 in sequence; the two ends of four iron chain chains 8 are respectively fixed on the eyelet screws 5 through the eyelet hooks 6 at both ends, and each eyelet hook 6 is respectively hooked with the corresponding eyelet screws 5 on the fixer 4; one end of the iron chain chain 8 fixed to the upper fixer 4 is equipped with a plurality of quick-connect rings for adjusting the chain length. Optionally, the vertical through hole is a vertical circular through hole. Optionally, the fixer 4 is made of section steel, and the fixing piece 3 is a steel pipe. Optionally, the iron chain chain 8 is a thin iron chain chain.

Assemble the soil pressure test device: (1) Install four eyelet screws 5 into the four eyelet bolt holes 7 that have been reserved in advance on the outside of the fixture 4, and fix the hanger 9 into the hanger hole 10 reserved in the fixture 4. During assembly, ensure that the eyelet screws 5 and the hanger 9 are perpendicular to the outer surface of the fixture 4;

(2) There are three circular notches on both sides of the interior of the fixture 4, two of which are vertical grooves and one is a reserved vertical through hole, and the two vertical grooves are symmetrically distributed about the axis of the fixture 4; two fixing members 3 are fixed in the vertical grooves on both sides respectively; after the fixing work of the fixing member 3 is completed, the fixing member 3 is inserted into three second PVC blocks 1 with vertical through holes, then inserted into a first PVC block 2 with both vertical through holes and circular grooves, then inserted into three second PVC blocks 1 with vertical through holes, and finally inserted into another fixture 4;

(3) respectively buckle the clevis hooks 6 at the tails of the four iron chains 8 into the four eyelet screws 5 of the fixture 4 at the bottom of the earth pressure test mechanism, and pull the iron chains 8 upward to the fixture 4 at the top of the earth pressure test mechanism;

(4) The ends of the four iron chains 8 are all provided with quick-connect rings, and the length of the iron chains can be adjusted by adding or removing the quick-connect rings. The adjusted length can make the iron chains be able to vertically tighten the earth pressure test device. After the lengths of the four iron chains 8 are adjusted appropriately, the quick-connect rings are buckled into the eyelet screws 5 on the fixture 4 at the top of the earth pressure test mechanism. When buckled in, it can be observed whether the entire device is tightly connected to ensure that the entire device does not shift vertically;

(5) The soil pressure box 11 is fixed in the circular groove of the first PVC block 2 by hot melt adhesive 15 , and the data line 12 passes upward through the first vertical through hole 14 of the first PVC block 2 until it passes through the reserved vertical through hole of the fixer 4 .

The installation steps of a soil pressure testing device with adjustable burial depth and strict verticality guarantee include: after completing the assembly of the soil pressure testing device, refer to the design drawings and use the drilling rig to perform drilling construction at the soil pressure monitoring hole position. After the drilling depth reaches the designed depth, continue drilling 0.2-0.5m, and clean the hole after the hole is formed. After the hole is cleaned, fill sand and level it to the designed depth. Tie the lifting rope used to lift the soil pressure testing device at the hoist 9, and ensure that the lifting rope is straight during the lowering process. After lowering to the specified depth, the data line 12 of the soil pressure box 11 is led out of the borehole to the ground and connected to the data acquisition device to complete the on-site installation of the soil pressure testing device.

The utility model can adjust the verticality of the buried depth to ensure that the soil pressure test device can ensure that the vertical position of the soil pressure box 11 does not move during the burial process, and through the internal wiring of the block, it can effectively avoid the situation where the connection of the data line 12 is damaged during the burial process and cannot be tested. The utility model can adjust the verticality of the buried depth to ensure that the soil pressure test device is small in size, low in cost, easy to operate, and saves manpower and material resources; it can ensure the vertical installation position of the soil pressure box 11, and can obtain accurate soil stress data.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit its protection scope. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that after reading the utility model, those skilled in the art can still make various changes, modifications or equivalent substitutions to the specific implementation methods of the utility model, but these changes, modifications or equivalent substitutions are all within the protection scope of the pending claims of the utility model.

Claims (10)

1. A soil pressure testing device capable of adjusting the verticality of the buried depth, characterized in that it comprises a soil pressure testing mechanism, a fixture (4) and a quick link mechanism; two fixtures (4) are provided, the upper and lower ends of the soil pressure testing mechanism are respectively detachably connected to the fixture (4), the fixture (4) is provided with a hoisting device hole (10), the hoisting device hole (10) is connected to the hoist (9), and the exteriors of the two fixtures (4) are connected by a quick link mechanism; the soil pressure testing mechanism comprises a PVC block, the interior of the PVC block is provided with a vertical through hole, the PVC block comprises a first PVC block (2), the first PVC block (2) is provided with a circular groove, a soil pressure box (11) is fixedly installed in the circular groove, the soil pressure box (11) is connected to the input end of a data line (12), the vertical through hole comprises a first vertical through hole (14), and the output end of the data line (12) extends through the first vertical through hole (14) to a reserved vertical through hole of the fixture (4) provided at the upper end of the soil pressure testing mechanism. 2. According to claim 1, the soil pressure testing device with adjustable burial depth and strict verticality assurance is characterized in that the vertical through hole also includes a second vertical through hole (13), a fixing member (3) is installed inside the second vertical through hole (13), a vertical groove is arranged inside the fixing device (4), and both ends of the fixing member (3) are respectively plugged into the vertical grooves. 3. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 2 is characterized in that the second vertical through holes (13) are arranged on both sides of the soil pressure testing mechanism, and the second vertical through holes (13) on both sides are symmetrically distributed about the axis of the soil pressure testing mechanism. 4. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 1 is characterized in that the PVC block also includes a second PVC block (1), a plurality of the second PVC blocks (1) are provided, and the upper and lower ends of the first PVC block (2) are respectively detachably connected to the second PVC blocks (1). 5. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 1 is characterized in that the quick connection mechanism includes a sheep eye screw (5), a sheep horn bolt hole (7) is provided on the fixer (4), and the sheep eye screw (5) is connected to the sheep horn bolt hole (7). 6. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 5 is characterized in that there are four clevis bolt holes (7) and four hoisting device holes (10) on each of the fixtures (4). 7. According to claim 5, the soil pressure testing device with adjustable burial depth and strict verticality assurance is characterized in that the quick link mechanism also includes an iron chain (8), the tail end of the iron chain (8) is hooked to a horn hook (6), and the free end of the horn hook (6) is buckled with a horn screw (5) of a fixer (4) arranged at the lower end of the soil pressure testing mechanism. 8. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 7 is characterized in that a quick-connect ring is provided at the head end of the iron chain (8), the free end of the quick-connect ring is buckled with the eyelet screw (5) of the fixer (4) provided at the upper end of the soil pressure testing mechanism, and the chain length of the quick-connect ring can be adjusted. 9. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 1, characterized in that a hot melt adhesive (15) is provided at the fixing point between the soil pressure box (11) and the circular groove. 10. The soil pressure testing device with adjustable burial depth and strict verticality guarantee according to claim 2, characterized in that the fixing member (3) is made of steel pipe and the fixing device (4) is made of steel section.