CN213455727U

CN213455727U - Foundation pit underground water monitoring system

Info

Publication number: CN213455727U
Application number: CN202023016636.5U
Authority: CN
Inventors: 孙后萍; 程振华
Original assignee: Anhui Zhenhua Project Management Co ltd
Current assignee: Anhui Zhenhua Project Management Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-06-15
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to a foundation ditch groundwater monitoring system belongs to groundwater monitoring technology field, including the probe, with probe fixed connection's survey rope, be used for placing the guard box of survey rope and fixed connection keep away from the connecting rod of probe one end at the guard box, be provided with the maintenance subassembly on the connecting rod, the maintenance subassembly includes that the symmetry is fixed at the first connecting rod and the second connecting rod of connecting rod both sides and is set up the drill bit of keeping away from its stiff end at first connecting rod and second connecting rod. The application has the effect of improving the stability of the monitoring system during water level monitoring.

Description

Foundation pit underground water monitoring system

Technical Field

The application relates to the technical field of underground water monitoring, in particular to a foundation pit underground water monitoring system.

Background

In the building construction process, if the underground water level of the foundation pit is higher, measures need to be taken to reduce the underground water level in the underground structure construction stage so as to meet the construction environment requirements in the construction stage. The 'quality acceptance criteria for underground waterproof engineering' stipulates that the designed precipitation water level in the foundation pit should be 0.5m lower than the bottom surface of the foundation pit, so that the underground water level needs to be strictly detected and controlled. A water level monitoring system is commonly used in the monitoring of groundwater. The monitoring system mainly comprises a measuring head, a steel rule cable, a receiving system, a wire spool and the like. Pressing down switch during the measurement, power indicator shines, and the steel rule cable is held to the hand this moment, puts into the well pipe with the water level appearance probe, and when the contact of probe contacted the surface of water, receiving system sent continuous alarm sound, and the water level indicator rolls the scintillation simultaneously, slowly receive and releases the steel rule cable this moment to seek the exact position of finding pronunciation signal in the twinkling of an eye, the size that reads out on the steel rule cable is exactly the degree of depth in water level apart from the drill way.

The related art is chinese utility model patent of bulletin number CN206818240U and discloses an underground water level temperature detection device, including measuring rope, probe, guard shield, bolt and weight thing, the probe setting is at the foremost of measuring rope, and the foremost setting of measuring rope is in the middle of the guard shield is inside, and the guard shield side is equipped with the hole of permeating water of taking the filter screen. In the above scheme, groundwater layer water enters the shield through the permeable holes and contacts the probe, so that groundwater level detection is realized.

To the above-mentioned correlation technique, the inventor thinks there is the poor, the inaccurate defect of measurement of stability, when the measuring line is transferred and is measured, detection device itself is not fixed, leads to its easy production to rock under the influence of the measuring line self gravity that hangs and causes measuring error.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of monitoring system when carrying out water level monitoring, this application provides a foundation ditch groundwater monitoring system.

The application provides a foundation ditch groundwater monitoring system adopts following technical scheme:

the utility model provides a foundation ditch groundwater monitoring system, includes the probe, with probe fixed connection's measuring rope, be used for placing the guard box of measuring rope and fixed connection keep away from the connecting rod of probe one end at the guard box, be provided with the maintenance subassembly on the connecting rod, the maintenance subassembly includes that the symmetry is fixed at the first connecting rod and the second connecting rod of connecting rod both sides and is set up the drill bit of keeping away from its stiff end at first connecting rod and second connecting rod.

Through adopting above-mentioned technical scheme, when carrying out water level measurement work, place the connecting rod perpendicularly earlier, slowly put into the foundation ditch with probe and guard box again, until the ground contact around drill bit and the foundation ditch, peg graft the drill bit to the soil on ground in to fixed detecting system, slowly emit the measuring rope from the guard box again, in order to carry out water level monitoring. The retention component enables the monitoring system to keep stable in the whole water level monitoring process, and is beneficial to ensuring the accuracy of water level monitoring.

Preferably, the first connecting rod comprises a first cross rod and a first longitudinal rod, the first cross rod is perpendicular to the connecting rod, the second connecting rod comprises a second cross rod and a second longitudinal rod, the second cross rod is perpendicular to the connecting rod, the second longitudinal rod is perpendicular to the second cross rod, a pushing assembly is arranged in the first longitudinal rod and the second longitudinal rod, the pushing assembly comprises a screw rod vertically arranged in the first longitudinal rod and the second longitudinal rod, a sleeve and a limiting block, the sleeve is in threaded connection with the screw rod and sleeved below the screw rod, the limiting block is integrally connected to the outer wall of the sleeve, the drill bit is fixed to the bottom of the sleeve, a limiting groove in sliding fit with the limiting block is formed in the first longitudinal rod, and the screw rod is driven by the driving assembly to rotate.

Through adopting above-mentioned technical scheme, the screw rod receives drive assembly's drive and rotates, and owing to the limiting displacement who receives stopper and spacing groove, can't follow the screw rod and rotate together with screw rod threaded connection's sleeve, turns into the revolving force that slides along the spacing groove with the screw rod to its revolving force of applying to realize driving the effect that the drill bit was elevating movement. The adoption of the pushing assembly is favorable for saving labor consumption when the drill bit drills the ground, simultaneously improves the accuracy of the drill bit in inserting into the soil, and avoids inserting skew to cause water level measurement errors.

Preferably, the driving assembly comprises a main driving part and a first driven part, the main driving part is located in the connecting rod, the first driven part comprises a first motor fixedly connected in the connecting rod, a rotating shaft driven by the first motor and a driving bevel gear fixedly arranged on the rotating shaft in a sleeved mode, the first driven part comprises a first driven bevel gear meshed with the driving bevel gear, a first driven rotating shaft fixedly arranged in a sleeved mode with the first driven bevel gear, a second driven bevel gear fixedly arranged on the first driven rotating shaft in a sleeved mode with the first driven bevel gear, and a third driven bevel gear meshed with the second driven bevel gear is fixedly arranged on the screw in a sleeved mode.

Through adopting above-mentioned technical scheme, the connection between the above-mentioned drive assembly is simple, and the drive mode is stable high-efficient, consequently adopts above-mentioned drive assembly to drive the lift of promotion subassembly.

Preferably, a second driven member having the same structure as the first driven member is disposed in the second cross bar, and the second driven member is driven by the driving bevel gear to rotate.

Through adopting above-mentioned technical scheme, the second follower is the same and is rotated by the drive of main driving bevel gear to make first follower and second follower move simultaneously, thereby ensure that two drill bits go up and down simultaneously, so that two drill bits plug in simultaneously to soil, thereby ensure monitoring system's grafting straightness and the stability of pegging graft, in order to ensure water level monitoring's accuracy.

Preferably, the first driven rotating shaft is sleeved and fixed with a supporting rod fixedly connected with the inner wall of the first cross rod.

Through adopting above-mentioned technical scheme, because first driven spindle level is placed in first horizontal pole, and it is difficult to avoid in the rotation process to exist and rock, being provided with of bracing piece does benefit to the rotational stability who promotes first driven spindle to improve drive assembly's drive stability, in order to ensure the grafting stability of drill bit to soil.

Preferably, the annular groove is formed in the sleeve, and the circumferential side wall of the drill bit is integrally connected with an annular block rotationally clamped with the annular groove.

Through adopting above-mentioned technical scheme, the setting of ring channel and annular piece makes the drill bit both fixed with the sleeve joint, receives telescopic drive and does elevating movement, can autogiration again, when the ground of drill bit grafting department is harder, but the effect of operating personnel rotary drill bit in order to improve its ground of boring.

Preferably, a rotating assembly is arranged inside the sleeve, the rotating assembly comprises a second motor fixed inside the sleeve and a rotating shaft driven by the second motor, and the rotating shaft is fixedly connected with the drill bit.

Through adopting above-mentioned technical scheme, the rotation axis drives the drill bit autogiration, is favorable to saving artifical power consumption, further improves the ground effect of boring of drill bit to make monitoring system be applicable to more water level monitoring occasions.

Preferably, the surface of the drill bit is provided with spiral threads.

Through adopting above-mentioned technical scheme, seting up of spiral line has increased the area of contact between drill bit and the soil, bores the in-process of soil at the drill bit, bores the soil of pine and upwards is delivered to the top of drill bit along the spiral line, prevents that it from piling up and boring soil effect in the influence of drill bit below to promote the boring soil efficiency of drill bit.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the retention component enables the monitoring system to keep stable in the whole water level monitoring process, and is beneficial to ensuring the accuracy of water level monitoring;

2. the pushing assembly is adopted, so that labor consumption of the drill bit during ground drilling is saved, the accuracy of inserting the drill bit into soil is improved, and water level measurement errors caused by inserting deflection are avoided;

3. the first driven member and the second driven member run simultaneously, so that the two drill bits are ensured to lift simultaneously, the two drill bits are enabled to be plugged into soil simultaneously, and plugging perpendicularity and plugging stability of the monitoring system are ensured, so that accuracy of water level monitoring is ensured.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

FIG. 3 is a cross-sectional view of a tie rod and retention assembly according to an embodiment of the present application.

Description of reference numerals: 1. a probe; 2. rope measurement; 3. a protection box; 4. a connecting rod; 5. a retention assembly; 51. a first link; 511. a first cross bar; 512. a first longitudinal bar; 5121. a limiting groove; 52. a second link; 521. a second cross bar; 522. a second longitudinal bar; 53. a drill bit; 531. a ring block; 532. helical thread; 6. a pushing assembly; 61. a screw; 611. a third driven bevel gear; 62. a sleeve; 621. an annular groove; 63. a limiting block; 7. a drive assembly; 71. a primary drive member; 711. a first motor; 712. a rotating shaft; 713. a drive bevel gear; 72. a first driven member; 721. a first driven bevel gear; 722. a first driven rotating shaft; 7221. a support bar; 723. a second driven bevel gear; 73. a second driven member; 731. a fourth driven bevel gear; 732. a second driven rotating shaft; 733. a fifth driven bevel gear; 8. a rotating assembly; 81. a second motor; 82. a rotating shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses foundation ditch groundwater monitoring system.

Referring to fig. 1, the monitoring system includes a probe 1, a measuring line 2, a protection box 3, and a connection rod 4. The measuring rope 2 is placed in the protection box 3, one end of the measuring rope 2 extends to the outside of the protection box 3 and is fixedly connected with the probe 1, and the probe 1 is used for detecting the water level. Connecting rod 4 is circular shaft-like structure, its inside cavity to fixed connection keeps away from the one end of probe 1 at guard box 3, and when monitoring system during operation, connecting rod 4 is vertical state and places.

Referring to fig. 1 and 2, the connecting rod 4 is provided with a retention assembly 5, and the retention assembly 5 includes a first connecting rod 51, a second connecting rod 52 and a drill bit 53. The first link 51 includes a first cross bar 511 and a first vertical bar 512. One end of the first cross bar 511 is fixedly connected to the outer wall of the connecting rod 4 and is perpendicular to the connecting rod 4; the first cross bar 511 is hollow inside. One end of the first vertical rod 512 is fixed to one end of the first cross rod 511 far away from the connecting rod 4, and the other end extends towards the direction close to the protection box 3, and the first vertical rod 512 is hollow and perpendicular to the first cross rod 511. The second link 52 includes a second cross bar 521 and a second longitudinal bar 522. One end of the second cross bar 521 is fixedly connected to the outer wall of the connecting rod 4 and is perpendicular to the connecting rod 4; the second crossbar 521 is hollow inside. One end of the second vertical bar 522 is fixed to one end of the second horizontal bar 521 far away from the connecting rod 4, the other end extends towards the direction close to the protection box 3, and the second vertical bar 522 is hollow and perpendicular to the second horizontal bar 521. The drill bits 53 are conical, and two drill bits 53 are respectively located at the bottom of the first longitudinal rod 512 and the second longitudinal rod 522, and can be inserted into the soil, so as to fix the connecting rod 4. The spiral line 532 has been seted up on the drill bit 53 surface, and the contact area between drill bit 53 and the soil has been increased in seting up of spiral line 532, bores the in-process of soil at drill bit 53, bores loose soil and upwards is sent to the top of drill bit 53 along spiral line 532, prevents that it from piling up and bore native effect in the influence below drill bit 53 to promote the brill native efficiency of drill bit 53.

Referring to fig. 3, the connecting rod 4, the first link 51 and the second link 52 are provided therein with a driving assembly 7, and the driving assembly 7 includes a main driving member 71, a first driven member 72 and a second driven member 73.

Referring to fig. 3, the main driver 71 is located inside the connecting rod 4, and includes a first motor 711, a rotating shaft 712, and a drive bevel gear 713. The first motor 711 is fixedly connected to the inside of the connecting rod 4, and the rotating shaft 712 is rotatably connected to the upper side of the first motor 711 and is driven by the first motor 711 to rotate. The longitudinal direction of the rotation shaft 712 coincides with the longitudinal direction of the connecting rod 4. The driving bevel gear 713 is fixed to the top of the rotating shaft 712 and is driven by the rotating shaft 712 to rotate.

Referring to fig. 3, the first follower 72 includes a first driven bevel gear 721, a first driven rotation shaft 722, and a second driven bevel gear 723. The first driven bevel gear 721 is engaged below the drive bevel gear 713 and is rotated by the drive bevel gear 713. The first driven rotating shaft 722 is a circular rod-shaped structure, and the first driven bevel gear 721 is sleeved and fixed at an end of the first driven rotating shaft 722 and is used for driving the first driven rotating shaft 722 to rotate. The second driven bevel gear 723 is sleeved and fixed at the other end of the first driven rotating shaft 722 and is driven by the first driven rotating shaft 722 to rotate.

Referring to fig. 3, the second follower 73 includes a fourth driven bevel gear 731, a second driven rotation shaft 732, and a fifth driven bevel gear 733. The fourth driven bevel gear 731 is engaged below the drive bevel gear 713 and is rotated by the drive bevel gear 713. The second driven rotating shaft 732 is a circular rod-shaped structure, and the fourth driven bevel gear 731 is sleeved and fixed at an end of the second driven rotating shaft 732 and is used for driving the second driven rotating shaft 732 to rotate. The fifth driven bevel gear 733 is fixed to the other end of the second driven shaft 732 in a sleeved manner and is driven by the second driven shaft 732 to rotate.

Referring to fig. 3, the first driven rotating shaft 722 and the second driven rotating shaft 732 are both fixedly sleeved with a support rod 7221, the support rod 7221 sleeved on the first driven rotating shaft 722 is fixedly connected with the inner wall of the first cross rod 511, and the support rod 7221 sleeved on the second driven rotating shaft 732 is fixedly connected with the inner wall of the second cross rod 521. Since the first driven rotating shaft 722 and the second driven rotating shaft 732 are inevitably shaken in the rotating process, the support rod 7221 is favorable for improving the rotational stability of the first driven rotating shaft 722 and the second driven rotating shaft 732, so as to improve the driving stability of the driving assembly 7.

Referring to fig. 3, a group of pushing assemblies 6, including two groups of pushing assemblies 6, are respectively disposed inside the first vertical bar 512 and the second vertical bar 522. The pushing assembly 6 comprises a screw 61, a sleeve 62 and a stop block 63. The screws 61 of the two sets of pushing assemblies 6 are respectively located inside the first vertical rod 512 and the second vertical rod 522, and the length directions thereof are respectively consistent with the length directions of the first vertical rod 512 and the second vertical rod 522. A third driven bevel gear 611 is fixedly sleeved on the top of the screw 61, and the third driven bevel gear 611 in the first vertical rod 512 is meshed with a second driven bevel gear 723 and driven by the second driven bevel gear 723 to rotate; the third driven bevel gear 611 provided in the second vertical bar 522 is engaged with and driven to rotate by the fifth driven bevel gear 733. The sleeve 62 is positioned below the screw 61 and is in threaded connection with the screw 61; the drill bit 53 is engaged under the sleeve 62 and rotates with the sleeve 62. The number of the limiting blocks 63 is two, and the two limiting blocks 63 are symmetrically fixed on the peripheral side wall of the screw 61. The inner walls of the first longitudinal rod 512 and the second longitudinal rod 522 are provided with limit grooves 5121, the length direction of the limit grooves 5121 is consistent with that of the connecting rod 4, the limit grooves 5121 in the first longitudinal rod 512 are matched with the limit blocks 63 on the sleeve 62 in the first longitudinal rod 512 in a sliding manner, and the limit grooves 5121 in the second longitudinal rod 522 are matched with the limit blocks 63 on the sleeve 62 in the second longitudinal rod 522 in a sliding manner. The movement direction of the sleeve 62 is limited by the limiting block 63 and the limiting groove 5121, the sleeve 62 converts the rotating force into the movement of the sleeve along the length direction of the limiting groove 5121 under the action of the rotating force of the screw 61, and the drill bit 53 is driven to move up and down, so that the soil drilling efficiency of the drill bit 53 is improved.

Referring to fig. 3, an annular block 531 is integrally connected to a circumferential side wall of the top of the drill 53, and the annular block 531 has a circular ring structure. An annular groove 621 is formed in the sleeve 62, the annular groove 621 is rotatably clamped with the annular block 531, and the annular block 531 can rotate in the annular groove 621. A cavity is formed in the sleeve 62, a rotating assembly 8 is disposed in the cavity, and the rotating assembly 8 includes a second motor 81 and a rotating shaft 82. The second motor 81 is fixedly connected to the top of the cavity, the rotating shaft 82 is driven by the second motor 81 to rotate, and the bottom of the rotating shaft 82 is fixedly connected with the round surface of the drill bit 53, so that the drill bit 53 is driven to rotate, labor consumption is saved, the ground drilling effect of the drill bit 53 is further improved, and the monitoring system is suitable for more water level monitoring occasions.

The implementation principle of the foundation pit groundwater monitoring system in the embodiment of the application is as follows: when the water level measurement is performed, the connecting rod 4 is vertically placed, the probe 1 and the protection box 3 are slowly placed in a foundation pit until the drill bit 53 contacts the ground around the foundation pit, the first motor 711 is started, the rotating shaft 712 drives the driving bevel gear 713 to rotate, the driving bevel gear 713 simultaneously drives the first driven bevel gear 721 and the fourth driven bevel gear 731 to rotate, the first driven bevel gear 721 drives the first driven rotating shaft 722 to rotate, the fourth driven bevel gear 731 drives the second driven rotating shaft 732 to rotate, the first driven rotating shaft 722 drives the second driven bevel gear 723 to rotate, so as to drive the screw 61 in the first vertical rod 512 to rotate, the second driven rotating shaft 732 drives the fifth driven bevel gear 733 to rotate, so as to drive the screw 61 in the second vertical rod 522 to rotate, and the sleeve 62 driven by the screw 61 to move downwards, so as to drive the drill bit 53 to drill soil. And then the second motor 81 is started, the rotating shaft 82 drives the drill bit 53 to rotate automatically, so that the drill bit 53 is inserted into the soil on the ground, the monitoring system is fixed, and the measuring rope 2 is slowly released from the protective box 3 to monitor the water level. The retention component 5 is arranged to keep the monitoring system stable in the whole water level monitoring process, which is beneficial to ensuring the accuracy of water level monitoring.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a foundation ditch groundwater monitoring system, includes probe (1), with probe (1) fixed connection's measuring rope (2), is used for placing protecting box (3) and the connecting rod (4) of fixed connection keeping away from probe (1) one end at protecting box (3) of measuring rope (2), its characterized in that: be provided with maintenance subassembly (5) on connecting rod (4), maintenance subassembly (5) are including the symmetry fix first connecting rod (51) and second connecting rod (52) and set up drill bit (53) of keeping away from its stiff end at first connecting rod (51) and second connecting rod (52) of connecting rod (4) both sides.

2. A foundation pit groundwater monitoring system as claimed in claim 1, wherein: the first connecting rod (51) comprises a first cross rod (511) and a first longitudinal rod (512), the first cross rod (511) and the first longitudinal rod (512) are perpendicular to each other, the second connecting rod (52) comprises a second cross rod (521) and a second longitudinal rod (522), the second cross rod (521) and the second longitudinal rod (521) are perpendicular to each other, the first longitudinal rod (512) and the second longitudinal rod (522) are internally provided with a pushing assembly (6), the pushing assembly (6) comprises a screw rod (61) vertically arranged in the first longitudinal rod (512) and the second longitudinal rod (522), a sleeve (62) spirally connected with the screw rod (61) and sleeved below the screw rod (61), and a limiting block (63) integrally connected on the outer wall of the sleeve (62), the drill bit (53) is fixed at the bottom of the sleeve (62), a limiting groove (5121) matched with the limiting block (63) in a sliding manner is formed in the first longitudinal rod (512), the screw rod (61) is driven by the driving component (7) to rotate.

3. A foundation pit groundwater monitoring system as claimed in claim 2, wherein: the driving assembly (7) comprises a main driving part (71) and a first driven part (72), the main driving part (71) is located in the connecting rod (4), the first driven part (72) comprises a first motor (711) fixedly connected in the connecting rod (4), a rotating shaft (712) driven by the first motor (711) to rotate and a driving bevel gear (713) fixed on the rotating shaft (712) in a sleeved mode, the first driven part (72) comprises a first driven bevel gear (721) meshed with the driving bevel gear (713), a first driven rotating shaft (722) fixedly sleeved with the first driven bevel gear (721) and a second driven bevel gear (723) fixedly sleeved on the first driven rotating shaft (722), and a third driven bevel gear (611) meshed with the second driven bevel gear (723) is fixedly sleeved on the screw rod (61).

4. A foundation pit groundwater monitoring system as claimed in claim 3, wherein: and a second driven member (73) with the same structure as the first driven member (72) is arranged in the second cross bar (521), and the second driven member (73) is driven by the driving bevel gear (713) to rotate.

5. A foundation pit groundwater monitoring system as claimed in claim 3, wherein: and a support rod (7221) fixedly connected with the inner wall of the first cross rod (511) is sleeved and fixed on the first driven rotating shaft (722).

6. A foundation pit groundwater monitoring system as claimed in claim 2, wherein: annular groove (621) have been seted up to the inside of sleeve (62), on the week lateral wall of drill bit (53) an organic whole be connected with annular ring (531) of annular groove (621) rotation joint.

7. A foundation pit groundwater monitoring system as claimed in claim 6, wherein: the drill bit is characterized in that a rotating assembly (8) is arranged inside the sleeve (62), the rotating assembly (8) comprises a second motor (81) fixed in the sleeve (62) and a rotating shaft (82) driven by the second motor (81), and the rotating shaft (82) is fixedly connected with the drill bit (53).

8. A foundation pit groundwater monitoring system as claimed in claim 1, wherein: the surface of the drill bit (53) is provided with spiral threads (532).