CN220541986U - Deep foundation pit displacement detection alarm device - Google Patents

Abstract

The utility model relates to the technical field of deep foundation pit construction auxiliary equipment, in particular to a deep foundation pit displacement detection alarm device, which solves the technical problem that equipment for effectively performing continuous detection on a prefabricated deep foundation pit is not provided before large-area excavation of the deep foundation pit in the prior art, and specifically comprises a guide bracket which is erected above a deep foundation pit frame, and a guide long rod which can extend into the deep foundation pit; the detection sliding part can be sleeved on the guide long rod, and the detection sliding part is controlled by a retracting assembly to reach the deep foundation pit; the bottom of the guide long rod is provided with a balance disc which can keep horizontal, and the detection sliding part can emit two groups of distance measurement infrared rays to the balance disc, so that when the guide long rod deflects, a checking output alarm signal of a distance measurement numerical value is obtained according to the two groups of distance measurement infrared rays. The technical scheme has the advantages that the continuity detection can be realized, and the construction safety can be ensured.

Description

Deep foundation pit displacement detection alarm device

Technical Field

The utility model relates to the technical field of deep foundation pit construction auxiliary equipment, in particular to a deep foundation pit displacement detection alarm device.

Background

The deep foundation pit engineering can enable relatively compact land resources to be utilized more efficiently, but the construction of the deep foundation pit engineering is uncertain and is influenced by the geographic position and the land structure, and the construction of surrounding building facilities or similar facilities can also influence the construction of the deep foundation pit to be constructed;

in order to ensure the construction safety, the prior art generally adopts variable detection of the transverse displacement and the longitudinal displacement of a deep foundation pit as a ensuring means; the main technical method comprises the following steps: (1) The prefabricated positioning piece method is used for observing the pre-embedding of the positioning piece at the fixed point position; (2) The angle measurement method is applicable to the deep foundation pit, and a certain initial construction area is required to be ensured;

in the prior art, the application scene of the technical scheme of the device for detecting and alarming the displacement of the deep foundation pit is broader deep foundation pit construction, wherein the device is disclosed in China patent, publication No. CN 212721349U;

in practice, however, the prior art has the following problems: the deep foundation pit is processed without such a wide deep foundation pit space before the excavation is selected, namely, the depth of about 5 meters of fixed pile punching is adopted, detection and judgment are needed, the mode of deep hanging a cradle head camera is adopted in the prior art, and the actual detection effect still needs manual comparison judgment.

Disclosure of Invention

The utility model aims to solve the technical problem that equipment for continuously detecting a prefabricated deep foundation pit is not provided before large-area excavation of the deep foundation pit in the prior art, and provides a deep foundation pit displacement detection alarm device.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a deep basal pit displacement detects alarm device which characterized in that includes:

the deep foundation pit rack is erected on a horizontal plane and forms an opening area above the deep foundation pit;

the guide bracket is erected above the deep foundation pit frame and comprises a guide long rod which can extend into the deep foundation pit;

the detection sliding component can be sleeved on the guide long rod, and the detection sliding component is controlled by a retracting assembly to reach the deep foundation pit;

the bottom of the guide long rod is provided with a balance disc capable of keeping the level, and the detection sliding part can emit two groups of distance measurement infrared rays to the balance disc so as to output an alarm signal according to the distance measurement numerical values obtained by the two groups of distance measurement infrared rays when the guide long rod deflects.

Specifically, the deep foundation pit rack includes:

the device comprises a support and a supporting plate arranged on the support;

the opening area is formed on the supporting plate;

a guide sleeve can be arranged on the opening area, and the first end of the guide sleeve is fixed on the supporting plate.

Specifically, the guide bracket further includes:

a tip end connecting portion configured in a cylindrical shape;

and one end of each of the four groups of inclined supporting rods is connected to the radial direction of the top end connecting part, and the other end of each of the four groups of inclined supporting rods is connected to the supporting plate, so that the top end connecting part is positioned right above the deep foundation pit.

Specifically, the cable collecting assembly includes:

the first cable retractor and the second cable retractor which are symmetrically arranged by taking the guide long rod are respectively erected on the two brackets;

the support is connected to the support plate.

The first cable retractor and the second cable retractor are driven by a group of motors respectively;

the first cable collector and the second cable collector are arranged in parallel.

Specifically, the detection sliding member includes:

a slide body having a slide hole formed in a length direction;

the guide long rod can pass through the sliding hole so that the sliding body can slide along the guide long rod.

Specifically, the first end of direction stock is provided with the screw thread, threaded hole has been seted up to the below of top connecting portion, the direction stock can the spiro union on the top connecting portion.

Specifically, the first end of the sliding main body is symmetrically provided with two groups of rope threading connection parts;

the rope can be correspondingly penetrated in the rope threading connecting part;

the balancing weight can be detachably connected to the lower portion of the sliding main body.

Specifically, two sides of the sliding main body are respectively provided with a group of infrared range finders;

and the output direction of the infrared distance measuring device emits distance measuring infrared rays towards the direction of the deep foundation pit.

Specifically, the balance plate includes:

the main disc body is provided with a hollow area;

the main disc body is provided with an inner side in the hollow area;

the inner side is provided with symmetrically arranged rotating shaft holes;

each rotating shaft hole is rotationally connected with a rotating shaft;

the two groups of rotating shafts are connected with a disc core piece of the hollow area;

the disc core piece is fixedly connected to the second end of the guide long rod.

Specifically, the upper surface of the main disc body is stuck with a feedback mark, and the feedback mark is arranged in the areas at two sides of the rotating shaft for reflecting infrared rays;

the data receiving module is capable of receiving measurement data of the two groups of infrared range finders;

the comparison module is used for comparing the two groups of measurement data, and when the difference exceeds a preset number, the comparison module outputs an alarm signal to an alarm module;

and the alarm module sends an alarm signal to the terminal equipment or the buzzer according to the alarm signal.

The utility model has the following beneficial effects:

the purpose of the technical scheme is mainly not to detect the transverse and horizontal displacement in the deep foundation pit, because the aperture of the prefabricated deep foundation pit is small, about-meter, the main content to be monitored is whether the damage and the change of geology are caused, when the hidden danger and the problem exist, the deep foundation pit frame is erected on the horizontal plane, when the problem exists, the horizontal of the deep foundation pit frame is only the relative horizontal, the actual inclination and the collapse can not be directly observed by naked eyes, but the guide long rod, namely the second end of the guide long rod, can incline along with the guide long rod under the condition that the actual inclination and the collapse are caused, the inclination angle of the second end of the guide long rod can directly reflect the problem, and the balance disc in the technical scheme can always keep the true horizontal, so that the obtained distance measurement values of two groups of distance measurement infrared rays are different when the problem exists, and the reason of adopting the detection mode is that the angle of the guide long rod can obtain better detection effect and is not limited by the influence of the detection distance measurement device of the existing infrared rays;

in addition, when other constructions produce fluctuation, the balance disc can continuously shake, and the detected distance data can be continuously fluctuated and can be easily found, and continuous detection can be carried out so as to ensure construction safety.

Therefore, the technical scheme has the advantages that the technical scheme can realize continuous detection and can ensure the safety of construction.

Drawings

The utility model is described in further detail below with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the guide bracket of the present utility model;

FIG. 3 is a schematic view of the structure of the detecting slide member of the present utility model;

FIG. 4 is a schematic view of a tip connection portion of the present utility model;

FIG. 5 is a schematic view of the connection between the top end connection part and the guide long rod according to the present utility model;

FIG. 6 is a schematic structural view of a balance disc according to the present utility model;

fig. 7 is a schematic diagram of a system configuration of the detection principle of detecting a sliding member of the present utility model.

Reference numerals in the drawings denote:

the deep foundation pit comprises a deep foundation pit frame 10, a deep foundation pit 100, a horizontal plane 200, an opening area 101, a guide bracket 20, a retraction assembly 40, a detection sliding part 30, a guide long rod 201 and a balance disc 50;

a guide sleeve 13, a support plate 12 and a support 11;

a distal end connecting portion 21 and a strut 22;

a first retractor 41 and a second retractor 42;

a motor 43, a cable 44 and a bracket 45;

a slide body 300, a slide hole 31, a screw thread 202, and a screw hole 203;

an infrared range finder 33;

a main disk body 51, a hollow region 52, an inner side 501, a rotation shaft hole 502, a rotation shaft 503,

A hub 53;

feedback identification 520, data receiving module 600, comparing module 610, alarm module 620.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model; it should be noted that, for convenience of description, in the present application, "left side" is "first end", "right side" is "second end", "upper side" is "first end", and "lower side" is "second end" in the current view, and the purpose of this description is to clearly express the technical solution, and should not be construed as unduly limiting the technical solution of the present application.

The utility model aims to solve the technical problem that no equipment for effectively carrying out continuous detection on a prefabricated deep foundation pit is provided before large-area excavation of the deep foundation pit in the prior art, and provides a deep foundation pit displacement detection alarm device, wherein the actual volume configuration of the technical scheme is about the size of a small excavator, namely the continuous detection of the deep foundation pit for constructing the prefabricated fixed pile can be completely met, so that the subsequent large-area excavation construction is ensured, and in the specific technical scheme, please refer to the accompanying drawings 1, 2 and 3, the deep foundation pit displacement detection alarm device comprises:

a deep foundation pit frame 10 erected on a horizontal plane 200 and forming an opening area 101 above the deep foundation pit 100; the guide bracket 20 is erected above the deep foundation pit frame 10, and the guide bracket 20 comprises a guide long rod 201, wherein the guide long rod 201 can extend into the deep foundation pit 100; because the general degree of depth of prefabricated footstake foundation ditch is approximately about 5 meters, consequently, this technical scheme is equivalent to having designed a guide rail rather than the length is approximately the same to deep basal pit 100, and actual configuration can be shorter, can carry out the detection of displacement to the part of digging in being different from prior art, and this technical scheme will accomplish through the mode of indirect detection, specifically is:

the detection sliding component 30 can be sleeved on the guide long rod 201, and the detection sliding component 30 is controlled by a retracting assembly 40 to reach the deep foundation pit 100; the bottom of the guide bar 201 is provided with a balance plate 50 capable of being kept horizontal, and the detecting slide member 30 is capable of emitting two sets of ranging infrared rays to the balance plate 50 to output an alarm signal according to the ranging values obtained by the two sets of ranging infrared rays when the guide bar 201 is deflected.

As can be seen from the above configuration, the purpose of the present technical solution is mainly not to detect the lateral and horizontal displacement in the deep foundation pit 100, because the aperture of such prefabricated deep foundation pit 100 is small, about 1-2 meters, the main content to be monitored is whether there is damage and variation of geological damage, and when the hidden danger and problem exist, the deep foundation pit rack 10 is erected on the horizontal plane 200, when the problem occurs, the horizontal plane of the deep foundation pit rack 10 is only the opposite horizontal plane, the actual inclination and collapse, the direct observation is impossible for naked eyes, but the guide long rod 201 is also inclined by the guide long rod 201, that is, the second end of the guide long rod 201 is generated under the actual inclination and collapse problem, and the inclination angle of the second end of the guide long rod 201 is directly reactive problem, and the balance disc 50 in the present technical solution can always keep the actual horizontal plane, so that the obtained distance measurement values of the two sets of infrared rays are different when the problem occurs, and the detection distance measurement effect obtained by the second end angle of the guide long rod 201 is not limited by the existing infrared distance measurement device;

in addition, when other constructions generate fluctuation, the balance disc 50 can continuously shake, so that the detected distance data can continuously fluctuate, and can be easily found, and continuous detection can be performed, so that the construction safety is ensured.

Therefore, the technical scheme has the advantages that the technical scheme can realize continuous detection and can ensure the safety of construction.

In one specific embodiment, referring to fig. 1 and 2, a deep foundation pit rack 10 includes: a support 11 and a support plate 12 provided on the support 11; the opening area 101 is opened on the support plate 12; a guide sleeve 13 can be arranged on the opening area 101, a first end of the guide sleeve 13 being fixed to the support plate 12.

In a specific embodiment, referring to fig. 1 and 2, the guide bracket 20 further includes: a tip end connecting portion 21 configured in a cylindrical shape; four sets of inclined struts 22, one end of which is connected in the radial direction of the tip connection portion 21 and the other end of which is connected to the support plate 12 such that the tip connection portion 21 is located directly above the deep foundation pit 100.

In one embodiment, referring to fig. 1 and 2, the retraction assembly 40 includes: the first retractor 41 and the second retractor 42 which are symmetrically arranged by taking the guide long rod 201 as a symmetrical part are respectively erected on the two brackets 45; the bracket 45 is attached to the support plate 12. The first retractor 41 and the second retractor 42 are driven by a set of motors 43, respectively; the cable 44 of the first cable retractor 41 and the cable retractor 42 are arranged in parallel, and when paying attention to use, the cable retractors are synchronously driven to ensure the parallelism of the cable 44.

In one specific embodiment, please refer to fig. 1 and 3; the detection slide member 30 includes: a slide body 300 having a slide hole 31 formed in a length direction; the guide long rod 201 can pass through the sliding hole 31 so that the sliding body 300 can slide along the guide long rod 201.

In a specific embodiment, referring to fig. 5, a first end of a guiding long rod 201 is provided with a thread 202, a threaded hole 203 is provided below a top end connecting portion 21, and the guiding long rod 201 can be screwed on the top end connecting portion 21.

In a specific embodiment, referring to fig. 3, two sets of rope-threading connection portions 32 are symmetrically disposed at the first end of the sliding body 300; the cable 44 can be correspondingly threaded in the cable threading connection part 32; the lower side of the sliding body 300 can be detachably coupled to the weight 310.

In one specific embodiment, please refer to fig. 3 and 7; a group of infrared rangefinders 33 are respectively mounted on both sides of the sliding body 300; the output direction of the infrared range finder 33 emits range-finding infrared rays toward the deep foundation pit 100.

In one specific embodiment, please refer to fig. 3 and 6; the balance plate 50 includes: a main disc body 51, a hollow region 52 being formed on the main disc body 51; the main disc 51 has an inner side 501 in the hollow region 52; the inner side 501 is provided with symmetrically arranged rotating shaft holes 502; each rotating shaft hole 502 is rotationally connected with a rotating shaft 503; two sets of rotating shafts 503 are connected to a disc core 53 of the hollow region 52; the hub 53 is fixedly attached to the second end of the guide rod 201.

The feedback marks 520 are stuck on the upper surface of the main disc body 51, and the feedback marks 520 are arranged in the areas on both sides of the rotating shaft 503 for reflecting infrared rays; a data receiving module 600 capable of receiving measurement data of the two sets of infrared rangefinders 33; the comparison module 610 is configured to compare the two sets of measurement data, and when the difference exceeds a preset number, the comparison module 610 outputs an alarm signal to an alarm module 620; the alarm module 620 will send an alarm signal to the terminal device or the buzzer according to the alarm signal.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. The utility model provides a deep basal pit displacement detects alarm device which characterized in that includes:

a deep foundation pit rack (10) which is erected on a horizontal plane (200) and forms an opening area (101) above the deep foundation pit (100);

the guide bracket (20) is erected above the deep foundation pit frame (10), the guide bracket (20) comprises a guide long rod (201), and the guide long rod (201) can extend into the deep foundation pit (100);

the detection sliding component (30) can be sleeved on the guide long rod (201), and the detection sliding component (30) is controlled by a retracting assembly (40) to reach into the deep foundation pit (100);

the bottom of the guide long rod (201) is provided with a balance disc (50) capable of keeping the level, and the detection sliding part (30) can emit two sets of distance measurement infrared rays to the balance disc (50) so as to output an alarm signal according to the distance measurement numerical values obtained by the two sets of distance measurement infrared rays when the guide long rod (201) deflects.

2. Deep foundation pit displacement detection warning device according to claim 1, characterized in that the deep foundation pit rack (10) comprises:

a support (11) and a support plate (12) arranged on the support (11);

the opening area (101) is formed on the supporting plate (12);

a guide sleeve (13) can be arranged on the opening area (101), and a first end of the guide sleeve (13) is fixed on the supporting plate (12).

3. Deep foundation pit displacement detection warning device according to claim 2, characterized in that the guide bracket (20) further comprises:

a tip end connecting portion (21) configured in a cylindrical shape;

four groups of inclined struts (22) with one end connected to the radial direction of the top end connecting portion (21) and the other end connected to the support plate (12) so that the top end connecting portion (21) is located right above the deep foundation pit (100).

4. A deep pit displacement detection warning device according to claim 3, characterized in that the retraction assembly (40) comprises:

a first retractor (41) and a second retractor (42) which are symmetrically arranged by taking the guide long rod (201) as a symmetrical part are respectively erected on two brackets (45);

the bracket (45) is connected to the support plate (12);

the first retractor (41) and the second retractor (42) are driven by a set of motors (43), respectively;

the first cable retractor (41) and the cable (44) of the second cable retractor (42) are arranged in parallel.

5. Deep pit displacement detection warning device according to claim 4, characterized in that the detection slide member (30) comprises:

a slide body (300) having a slide hole (31) formed in the longitudinal direction;

the guide long rod (201) can pass through the sliding hole (31) so that the sliding body (300) can slide along the guide long rod (201).

6. The deep foundation pit displacement detection alarm device according to claim 5, wherein the first end of the guide long rod (201) is provided with a thread (202), a threaded hole (203) is formed below the top end connecting portion (21), and the guide long rod (201) can be screwed on the top end connecting portion (21).

7. The deep foundation pit displacement detection alarm device according to claim 6, wherein the first end of the sliding body (300) is symmetrically provided with two sets of rope-threading connection parts (32);

the rope (44) can be correspondingly arranged in the rope threading connection part (32) in a penetrating way;

the lower part of the sliding main body (300) can be detachably connected with a balancing weight (310).

8. The deep foundation pit displacement detection alarm device according to claim 7, wherein a group of infrared range finders (33) are respectively installed at both sides of the sliding main body (300);

the output direction of the infrared distance measuring device (33) emits distance measuring infrared rays towards the direction of the deep foundation pit (100).

9. Deep foundation pit displacement detection alarm device according to claim 8, characterized in that the balancing disc (50) comprises:

a main disc body (51), wherein a hollow area (52) is formed on the main disc body (51);

the main disk body (51) has an inner side (501) in the hollow region (52);

the inner side (501) is provided with rotating shaft holes (502) which are symmetrically arranged;

each rotating shaft hole (502) is rotationally connected with a rotating shaft (503);

two groups of rotating shafts (503) are connected with a disc core piece (53) of the hollow area (52);

the disc core piece (53) is fixedly connected to the second end of the guide long rod (201).

10. The deep foundation pit displacement detection alarm device according to claim 9, wherein a post-pasting feedback mark (520) is attached to the upper surface of the main disc body (51), and the feedback marks (520) are arranged in the areas on both sides of the rotating shaft (503) for reflecting infrared rays;

a data receiving module (600) capable of receiving measurement data of two sets of the infrared range finders (33);

a comparison module (610) for comparing the two sets of measurement data, the comparison module (610) outputting an alarm signal to an alarm module (620) when the difference exceeds a preset number;

the alarm module (620) sends an alarm signal to a terminal device or a buzzer according to the alarm signal.