CN220772085U - Sediment thickness detection device - Google Patents

Abstract

The utility model discloses a sediment thickness detection device which comprises a detection rod and a detection cake, wherein a recovery box is connected above the detection cake, a partition plate is fixed in the recovery box, the detection rod is a threaded rod, penetrates through the partition plate and is in threaded connection with the partition plate, the tail end of the detection rod is connected with a servo motor through a coupler, and the servo motor is arranged in the recovery box in a sliding mode. According to the utility model, the servo motor is arranged to drive the detection rod to rotate, and the detection rod can be screwed in or out relative to the recovery box by utilizing the screw thread effect between the detection rod and the partition plate, so that the detection needle is inserted into the sediment by utilizing the screw-in effect to realize the sinking of the detection needle, the sinking thoroughness is ensured, the measurement error is reduced, the sinking process is faster, and the detection efficiency is further improved.

Description

Sediment thickness detection device

Technical Field

The utility model relates to the technical field of engineering detection equipment, in particular to a sediment thickness detection device.

Background

When a bored pile is drilled, a layer of sediment is often formed at the bottom of a pile hole due to precipitation of mud or collapse of the wall of the pile hole. When the sediment thickness is great, can make the rigidity of stake bottom reduce, allowable bearing capacity decline, consequently before carrying out the pouring of ground stake, need measure the sediment thickness of hole bottom to judge whether accord with the condition of construction.

As shown in China patent with the application number of 201921857626.9, the sediment thickness detection device in the prior art stretches into sediment through the buckling ruler, the tray is contacted with sediment at the bottom of a hole, the sediment is dragged by the sediment after continuously descending, the tray stays on the upper surface of the sediment at the bottom of the hole and can not continuously move downwards, the buckling ruler overcomes the resistance of elastic materials to manufacture buckling and sediment under the self gravity and continuously descends until the buckling ruler reaches the bottom of the hole, and the distance between the end part of the buckling ruler and the circular tray is the thickness of the sediment at the bottom of the hole.

But the device realizes the sinking of detecting needle through gravity subsidence, needs to overcome the resistance that elastic material made buckle and sediment, and not only the process of subsidence is slower relatively, still appears subsideing incompletely easily, leads to the great condition of measuring error.

For this reason, we propose a sediment thickness detection device to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a sediment thickness detection device, which aims to solve the problems that the existing sediment thickness detection device provided in the background art realizes the sinking of a detection needle through gravity sedimentation, the sedimentation process is relatively slow, the sedimentation is not thorough, and the measurement error is large.

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

the utility model provides a sediment thickness detection device, includes measuring bar and detects the cake, the top that detects the cake is connected with retrieves the box, and retrieves the inside of box and be fixed with the baffle, measuring bar is the threaded rod, and measuring bar runs through the baffle and with baffle threaded connection, the tail end of measuring bar has servo motor through the coupling joint, and servo motor slides the inside that sets up at retrieving the box.

In a further embodiment, the head end of the detection rod is conical.

In a further embodiment, the distance of the diaphragm from the test cake is not less than the length of the conical tip of the test rod.

In a further embodiment, the length of the recovery box is equal to the sum of the length of the detection rod and the length of the detection rod after being connected with the servo motor.

In a further embodiment, the outer surface of the detection rod is provided with a through groove, the length of the through groove is equal to that of the detection rod, and scale marks are engraved in the through groove.

In a further embodiment, the second pressure sensor is embedded at the head end of the detection rod, the controller is mounted at the inner top of the recovery box, and the controller is electrically connected with the second pressure sensor.

In a further embodiment, a first pressure sensor is embedded on the lower surface of the detection cake, and the controller is electrically connected with the first pressure sensor.

In a further embodiment, the outer wall of the servo motor is symmetrically provided with rollers, the inner wall of the recovery box is symmetrically connected with a convex rail, and the rollers are sleeved outside the convex rail.

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

according to the utility model, the servo motor is arranged to drive the detection rod to rotate, and the detection rod can be screwed in or out relative to the recovery box by utilizing the screw thread effect between the detection rod and the partition plate, so that the detection needle is inserted into the sediment by utilizing the screw-in effect to realize the sinking of the detection needle, the sinking thoroughness is ensured, the measurement error is reduced, the sinking process is faster, and the detection efficiency is further improved.

Drawings

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

FIG. 2 is a schematic view of the recovery box of the present utility model in a broken away configuration;

FIG. 3 is a schematic view showing the mounting and bottom view of the detection cake and the detection rod according to the present utility model;

FIG. 4 is a schematic view of the recovery box of the present utility model in a cut-away interior top view;

fig. 5 is a schematic view of a partial structure of a test bar according to the present utility model.

In the figure: 1. a detection rod; 2. detecting cakes; 3. a recovery box; 4. a servo motor; 5. a partition plate; 6. a first pressure sensor; 7. a second pressure sensor; 8. a controller; 9. a roller; 10. a convex rail; 11. a through groove; 12. graduation marks.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

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, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a sediment thickness detection device, including measuring bar 1 and detection cake 2, the top of detection cake 2 is connected with and retrieves box 3, and retrieve the inside of box 3 and be fixed with baffle 5, measuring bar 1 is the threaded rod, and measuring bar 1 runs through baffle 5 and with baffle 5 threaded connection, the tail end of measuring bar 1 has servo motor 4 through the coupling joint, and servo motor 4 slides and sets up in retrieving the inside of box 3, servo motor 4 is when driving measuring bar 1 rotatory, utilize the screw thread effect between measuring bar 1 and the baffle 5, make measuring bar 1 can rotate downwards or upwards to rotate relative to retrieving box 3, and then before the detection, measuring bar 1 withdraws not protruding detection cake 2, and then can accomodate the protection to measuring bar 1, when measuring cake 2 falls on the sediment surface, measuring bar 1 unscrews again and detects.

Referring to fig. 2-3, in order to enhance the screwing effect of the detecting rod 1, the head end of the detecting rod 1 is tapered, so as to facilitate better screwing into the sediment.

Referring to fig. 2, in order to facilitate storage of the detection rod 1, a distance between the partition 5 and the detection cake 2 is not less than a length of a conical end of the detection rod 1, and a length of the recovery box 3 is equal to a length of the detection rod 1 after being connected with the servo motor 4, so that when the servo motor 4 abuts against a top of the recovery box 3, a main body portion of the detection rod 1 is completely screwed into the recovery box 3, and a conical end of the detection rod is left below the partition 5, and meanwhile, a containing cavity is formed below the partition 5, so that the conical end is conveniently contained, and the detection cake 2 cannot be protruded.

Referring to fig. 5, considering that the detecting rod 1 needs an external measuring scale to measure when being recovered, so as to obtain the detecting data, the operation is troublesome, the outer surface of the detecting rod 1 is provided with a through groove 11, the length of the through groove 11 is equal to that of the detecting rod 1, graduation marks 12 are engraved in the through groove 11, and the detecting data can be intuitively obtained by directly observing the number of the graduation marks 12 protruding out of the detecting cake 2, so that the detecting method is more convenient.

Referring to fig. 2-3, in order to improve the intelligence of the whole device in use and reduce manual intervention, a second pressure sensor 7 is embedded at the head end of the detection rod 1, a controller 8 is mounted at the inner top of the recovery box 3, the controller 8 is electrically connected with the second pressure sensor 7, a first pressure sensor 6 is embedded on the lower surface of the detection cake 2, the controller 8 is electrically connected with the first pressure sensor 6, so that when the detection cake 2 contacts with sediment, the first pressure sensor 6 detects a pressure signal, the controller 8 can control the servo motor 4 to start working, and when the detection rod 1 sinks, the second pressure sensor 7 detects a pressure signal formed by resistance at the bottom of a hole, the controller 8 can control the servo motor 4 to be closed, and the extension length of the detection rod 1 is locked.

Referring to fig. 4, in order to limit the servo motor 4, the main body of the servo motor 4 is prevented from rotating, the outer wall of the servo motor 4 is symmetrically provided with rollers 9, the rollers 9 can rotate relative to the servo motor 4, the inner wall of the recovery box 3 is symmetrically connected with a convex rail 10, and the rollers 9 are sleeved outside the convex rail 10, so that when the servo motor 4 moves along with the detection rod 1, the rollers 9 are driven to roll along the convex rail 10, and the sliding friction resistance is reduced while the limit is realized.

Working principle: firstly, a traction rope is tied on a hanging ring at the top of a recovery box 3, then the traction rope is used for downwards placing the device into a drilled hole, and as the detection rod 1 is contracted in the accommodating cavity in the initial state, in the placing process, the detection cake 2 is firstly contacted with sediment, after the detection cake 2 is contacted with sediment, the servo motor 4 is started, the servo motor 4 drives the detection rod 1 to rotate and downwards precess until the detection rod 1 is in contact with the bottom, at the moment, the servo motor 4 is closed, the length of the detection rod 1 is locked, and then the traction rope recovery device is pulled upwards, at the moment, the length of the detection rod 1 protruding out of the detection cake 2 is the sediment thickness.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. Sediment thickness detection device, including measuring rod (1) and detection cake (2), its characterized in that: the top of detecting cake (2) is connected with retrieves box (3), and retrieves the inside of box (3) and be fixed with baffle (5), detect pole (1) and be the threaded rod, and detect pole (1) run through baffle (5) and with baffle (5) threaded connection, the tail end of detecting pole (1) has servo motor (4) through the coupling joint, and servo motor (4) slip setting is retrieving the inside of box (3).

2. The sediment thickness detection assembly as set forth in claim 1, wherein: the head end of the detection rod (1) adopts a cone shape.

3. The sediment thickness detection assembly as set forth in claim 2, wherein: the distance between the partition plate (5) and the detection cake (2) is not smaller than the length of the conical end of the detection rod (1).

4. The sediment thickness detection assembly as set forth in claim 1, wherein: the length of the recovery box (3) is equal to the length of the detection rod (1) connected with the servo motor (4).

5. The sediment thickness detection assembly as set forth in claim 1, wherein: the outer surface of the detection rod (1) is provided with a through groove (11), the length of the through groove (11) is equal to that of the detection rod (1), and graduation marks (12) are engraved in the through groove (11).

6. The sediment thickness detection assembly as set forth in claim 1, wherein: the head end of the detection rod (1) is inlaid with a second pressure sensor (7), a controller (8) is arranged at the inner top of the recovery box (3), and the controller (8) is electrically connected with the second pressure sensor (7).

7. The sediment thickness detection assembly as set forth in claim 6, wherein: the lower surface of the detection cake (2) is embedded with a first pressure sensor (6), and the controller (8) is electrically connected with the first pressure sensor (6).

8. The sediment thickness detection assembly as set forth in claim 1, wherein: the outer wall symmetry of servo motor (4) is installed gyro wheel (9), the inner wall symmetry of retrieving box (3) is connected with protruding rail (10), and gyro wheel (9) cover is established in protruding rail (10) outside.