A mechanism for detecting hollowing

Abstract

The utility model relates to a mechanism for hollow detection, including walking base, stand, knock mechanism, the walking base is provided with the stand of adjustable height, is equipped with the knock mechanism of up and down walking at the stand, is equipped with knock assembly I, line assembly II on the knock mechanism, the walking base, knock assembly I, line assembly II all are connected with control panel electricity, when the walking base stops, let the knock mechanism up and down action, and pass through knock assembly I and knock the wall, if the person hears the hollow sound and marks the position through line assembly II, let the walking base move the position, then let the knock mechanism up and down action and knock through knock assembly I, such complete the whole wall's hollow detection. The utility model reaches the beneficial effect: the person is always standing on the ground operation, reduces the labor intensity, and the detection is convenient, and the circle mark can be conveniently carried out when detecting the hollow; can carry out the hollow detection to the vertical wall of different floor height's house and the roof ceiling.

Description

Technical Field

[0001] This utility model relates to the field of building inspection technology, and in particular to a mechanism for detecting hollow areas. Background Technology

[0002] During the construction process, if the plaster or putty layer does not bond firmly to the base layer, or if the concrete layer shrinks after drying, hollow areas can appear in the walls or ceilings. Therefore, checking for hollow areas is a fundamental inspection item when inspecting buildings.

[0003] Currently, the most common detection method is manual inspection. The method involves using a stick with a ball at one end. The inspector holds the stick and traces a path on the wall with the ball. An abnormal sound indicates a hollow surface. While some detection machines have emerged, the principle is essentially the same; they simulate a person drawing a path on the wall and then judge whether there is hollowness based on the sound.

[0004] However, there are some problems: a. Existing technologies, whether manual or machine-based, require people to mark the location on the wall with chalk when hollow areas are detected. If the hollow area is high up, people need to climb stairs to mark it. Therefore, machine-based detection not only does not reduce labor intensity, but may actually be less convenient than the traditional method of manual detection with sticks. b. Existing technologies, whether manual or machine-based, primarily inspect walls and not ceilings. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a mechanism for detecting hollow areas, solving the problems of requiring people to climb stairs to mark hollow areas in existing hollow area detection methods, and the lack of hollow area detection for ceilings and roofs.

[0006] The purpose of this utility model is achieved through the following technical solution: a mechanism for detecting hollow areas, comprising a walking base, a vertical pole, and a striking mechanism; The walking base is equipped with a height-adjustable upright, and the upright is equipped with a knocking mechanism that can move up and down. The knocking mechanism is equipped with a knocking component I and a line drawing component II. The walking base, the striking component I, and the drawing component II are all electrically connected to the control panel. When the walking base stops, the tapping mechanism moves up and down and taps the wall through tapping component I. If a hollow sound is heard, the position is marked by marking component II. After the walking base moves to a new position, the tapping mechanism moves up and down again and taps the wall through tapping component I. This completes the hollow sound detection of the entire wall.

[0007] As a preferred technical solution of this application, the tapping mechanism can be detachably installed on the top of the pole to detect hollow areas in the ceiling.

[0008] As a preferred technical solution of this application, the striking component I includes a housing and striking rods, with multiple retractable striking rods vertically arranged on the front of the housing; when the striking rods retract back and forth, a striking action is formed.

[0009] Furthermore, the striking assembly I also includes an eccentric wheel; multiple tubes A are vertically arranged on the front of the box body, with each tube A spaced apart; a striking rod capable of axial sliding is installed inside each tube A, with both ends of the striking rod extending from both ends of the tube A; a magnet block A is embedded in the inner end of the striking rod; an eccentric wheel capable of conducting magnetism is arranged inside the box body via a rotating shaft; the inner end of the striking rod contacts the curved surface of the eccentric wheel; and the rotating shaft is connected to the striking motor drive.

[0010] Furthermore, in the aforementioned striking component I, a displacement drive motor is fixed at the back of the box, and a traveling gear is installed on the displacement drive motor; a tenon groove A is opened on the upright, and the side wall of the tenon groove A is rack-shaped. The traveling gear is adapted to be embedded in the tenon groove A and meshes with each other, forming a structure in which the striking mechanism can move up and down on the upright.

[0011] As a preferred technical solution of this application, the drawing assembly II includes an annular rotating component; the annular rotating component is rotatably disposed on the front of the box body, and the annular rotating component surrounds all the striking rods together; a drawing pen that can extend and retract is provided on the annular rotating component; when the striking rods produce a hollow sound when they strike, a person controls the drawing pen to extend through the control panel and makes the annular rotating component rotate, thereby drawing a marking ring on the wall.

[0012] Furthermore, the line marking assembly II also includes an annular track; the annular track has a tenon groove B, and an annular tenon foot is fixed on the back of the annular rotating component; the annular tenon foot can be fitted into the annular groove B via a ball A, forming a structure in which the annular rotating component can rotate smoothly along the annular track; an outer ring disk is fixed to the outer ring of the annular rotating component, and a line marking motor is fixed to the front of the box body; the output shaft of the line marking motor meshes with the outer ring disk through a drive gear, forming a structure that drives the annular rotating component to rotate.

[0013] Furthermore, in the drawing assembly II, the annular rotating component has an annular cavity with a rectangular cross-section; an electromagnet is fixed in the annular cavity on the cavity wall near the front of the box; a tube B- is inserted through the annular cavity on the cavity wall away from the front of the box, the outer end of the tube B- is embedded and fixed with chalk-, and the inner end of the tube B- has a limiting disc-, on which a magnet B- is embedded and fixed, forming the structure of a drawing pen. When the electromagnet is energized in the forward or reverse direction, it can cause the tube B- to move and extend.

[0014] Furthermore, in the line drawing assembly II, two annular grooves are formed on the outer ring disk near the front of the housing. Each of the two annular grooves has a metal coating, which is electrically connected to the electromagnet. A positive electrode rod and a negative electrode rod are fixed to the front of the housing. The ends of both the positive and negative electrode rods have ball bearings B. The two rods, via the corresponding ball bearings B, abut against the metal coating of the corresponding annular grooves, forming a brush-like power supply structure.

[0015] As a preferred technical solution of this application, the walking base is provided with a counterweight; the upright includes multiple rod sections, each rod section having a pin and a hole at both ends, and the multiple rod sections are spliced ​​together by the pin and the hole to form an upright; when the rod sections are disassembled, each rod section can be inserted into the counterweight.

[0016] This utility model has the following advantages: (1) Reduces labor intensity during retrieval and detection, and allows for manual marking after detecting hollow areas, which is simple and convenient; In existing technology, a person usually holds a testing stick (with a ball end) and continuously draws a trajectory on the wall. If a hollow sound is heard, the person draws a circle at the hollow location with chalk. However, for buildings with relatively tall floors, it is difficult to test the walls at higher locations. Therefore, it may be necessary to use stairs for testing. If a hollow sound is found, a line is also drawn using stairs. If several or more buildings are tested in the traditional way, the workload is very heavy. In this scheme, during the inspection: a) The operator uses the control handle to move the walking base within the building, guiding it to a corner of a wall and ensuring the striking component I is in contact with the vertical wall; b) The operator uses the control handle to move the striking mechanism up and down along the upright, simultaneously striking the vertical wall with the striking component I. If a hollow sound is heard, the striking mechanism stops, and the marking component II marks the hollow location; c) The walking base then moves along the wall to another location (e.g., from left to right, first checking the left corner, then checking 15cm from the left corner), and repeats steps a and b to complete the inspection of the entire wall, thus completing the hollow detection of the entire vertical wall. Therefore, it can be said that this solution can greatly reduce labor intensity and can mark the hollow areas in time when they are detected, making the hollow area detection very convenient. (2) The height is adjustable to fit walls of different heights; it can simultaneously detect walls and ceilings. Specifically, since the uprights are height-adjustable (made up of multiple sections), the height of the uprights can be set according to the height of the vertical wall (or the height of the uprights can be set according to the height of the floor), thus enabling the detection of different vertical wall heights; In addition, this solution can also detect the position of the ceiling by inserting the striking mechanism into the top of the pole. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 AA magnified image in the image; Figure 3 This is a schematic diagram of the striking mechanism; Figure 4 A schematic diagram of the striking component in the striking mechanism; Figure 5 A schematic diagram of the marking component in the striking mechanism; Figure 6 for Figure 5 BB magnified image in the image; Figure 7 This is a schematic diagram of the structure of the walking base; In the diagram: 100-walking base, 101-walking motor, 102-steering motor, 110-counterweight, 200-upright pole, 201-tenon groove A, 210-rod section, 300-striking mechanism; 301-Box body, 302-Strike rod, 303-Eccentric wheel, 304-Symbol tube A, 305-Magnet block A, 306-Displacement drive motor, 307-Traveling gear; 351-Annular rotating component, 351-1-Annular tenon foot, 351-2-Ball A, 351-3-Outer ring disk, 352-Drawing pen, 352-1-Tube B, 352-2-Limiting disk, 352-3-Magnet B, 353-Annular track, 354-Electromagnet, 355-Positive pole push rod, 356-Negative pole push rod, 357-Ball B, 358-Drawing motor; 371 - Slot part, 372 - Magnet C, 373 - Threaded hole. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0019] It should be noted that the orientation or positional relationship indicated by terms such as "left" and "right" is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this utility model is usually placed in during use, or the orientation or positional relationship that is commonly understood by those skilled in the art. Such terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0021] See Figures 1-3 As shown in the figure, this specific embodiment discloses a mechanism for detecting hollow areas, including a walking base 100, a vertical pole 200, and a striking mechanism 300; The walking base 100 can be controlled to walk on the ground. A pole 200 is provided on the upper surface of the walking base 100, and a striking mechanism 300 that can walk up and down is provided on the pole 200. Furthermore, the striking mechanism 300 has a striking component I capable of generating a striking action, and a drawing component II capable of drawing lines and markings; the traveling base 100, the striking component I, and the drawing component II are all electrically connected to the control panel, which is controlled by an operating control handle (similar to the principle of controlling the crane's movement by operating a control handle). Furthermore, when the striking mechanism 300 moves up and down on the upright 200, the striking component I performs a horizontal striking action (i.e., it can strike a vertical wall surface). During the hollow sound detection: a) A person operates the control handle to move the walking base 100 within the building, moving it to a corner of a wall and aligning the striking component I with the vertical wall; b) A person operates the control handle to move the striking mechanism 300 up and down along the upright 200, simultaneously striking the vertical wall with the striking component I. If a hollow sound is heard, the person stops the striking mechanism 300 and marks the hollow location with the marking component II (traditionally, it is difficult for a person to draw lines at a high position, even with the help of stairs, which is quite strenuous, especially when inspecting all the rooms in several buildings—the labor intensity is very high); c) Then, the walking base 100 moves along the wall to another location (for example, from left to right, first checking the left corner, then checking 15cm away from the left position), and then repeats steps a and b to complete the inspection of the entire wall, thus completing the hollow sound detection of the entire vertical wall.

[0022] Furthermore, this plan also includes a design for detecting hollow areas in the ceiling.

[0023] See Figures 3-5 The striking mechanism 300 can be detached and installed on the top of the pole 200 to detect hollow areas in the ceiling. Specifically, a slot 371 is provided on the back of the striking mechanism 300, the slot 371 having a slot adapted to the upper end of the upright 200; and a magnet C372 is provided at the bottom of the slot, and a threaded through hole 373 is opened on the back of the striking mechanism 300 at the positions of the slot 371 and the magnet C372, and a fixing pin is screwed into the threaded through hole; when the striking mechanism 300 is fixed on the top surface of the upright 200, the fixing pin is inserted into the pin hole at the top of the upright 200, so that the striking direction of the striking component is upward - realizing the knocking of the ceiling to detect hollowness.

[0024] It should be noted that traditional methods for detecting hollow spots are difficult to apply to the ceiling, while this solution can easily detect hollow spots in the ceiling.

[0025] The structure of the striking component I in the striking mechanism 300 will be further explained below.

[0026] See Figure 3 and Figure 4 The striking assembly I includes a housing 301, a striking rod 302, and an eccentric wheel 303. Multiple cylindrical tubes A304 (perpendicular to the front and penetrating the front panel of the housing 301) are spaced apart on the front of the housing 301. A sliding striking rod 302 is installed inside each cylindrical tube A304, with both ends extending from the ends of the cylindrical tubes A304. The end of the striking rod 302 outside the housing 301 is the outer end, and the end inside the housing is the inner end. The outer end of the striking rod 302 is the striking head, and a magnet A305 is embedded in the inner end of the striking rod 302. Furthermore, multiple rotatable shafts are provided between the two side walls of the housing 301. Each shaft is driven by a corresponding striking motor, and a magnetically conductive eccentric wheel 303 is mounted on each shaft. The outer curved surface of the eccentric wheel 303 contacts the inner end of the striking rod 302. When performing the striking work: the striking motor drives the rotating shaft to rotate, and the rotating shaft drives the eccentric wheel 303 to perform eccentric action. Since the inner end of the striking rod 302 can always be attracted and contacted by the magnetic force generated by the magnet block A305, the striking rod 302 reciprocates and extends along the tube A304 when the eccentric wheel 303 rotates, thus realizing the striking action of the striking rod 302 on the corresponding wall surface.

[0027] It should be noted that the timing of each eccentric wheel 303 is not consistent. That is, when the high point of the curved surface of one eccentric wheel 303 is in contact with the inner end of the striking rod 302, the low point of the curved surface of other eccentric wheels 303 may be in contact with the inner end of the striking rod 302 (this ensures that the striking actions of each striking rod 302 are not synchronized).

[0028] The following is a further explanation of the line drawing component II of the striking mechanism 300.

[0029] See Figure 3 , Figure 5 and Figure 6 The line drawing assembly II includes an annular rotating component 351 and an annular track 353; The box 301 has an annular track 353 fixed on its front side, which encircles all the striking rods 302. A tenon groove B is formed on the annular track 353. An annular tenon foot 351-1 is fixed on the back of the annular rotating member 351. The annular tenon foot 351-1 is fitted into the annular groove B via a ball bearing A351-2, forming a structure that allows the annular rotating member to rotate smoothly along the annular track. Furthermore, an outer ring disk 351-3 is fixed to the outer ring of the annular rotating member 351. A marking motor 358 is fixed to the front side of the box 301. The output shaft of the marking motor 358 meshes with the outer ring disk 351-3 via a drive gear, forming a structure that drives the annular rotating member to rotate. The annular rotating component 351 has an annular cavity with a rectangular cross-section. An electromagnet 354 is fixed in the annular cavity on the cavity wall near the front of the box. A tube B352-1 is inserted through the annular cavity on the cavity wall away from the front of the box. A piece of chalk is embedded and fixed at the outer end of the tube B352-1, forming a drawing pen 352. A limiting plate 352-2 is provided at the inner end of the tube B352-1, and a magnet B352-3 is embedded and fixed on the limiting plate 352-2. When the electromagnet 354 is energized in the forward or reverse direction, the tube B352-1 can be displaced and extended. When drawing lines: the electromagnet 354 is energized by operating the control handle, which causes the tube B352-1 to extend the chalk. Then, the line drawing motor 358 is operated by operating the control handle. The line drawing motor 358 drives the annular rotating part 351 to rotate, which causes the chalk to draw a circle, thus marking the position as a hollow area.

[0030] Furthermore, the power supply for electromagnet 354 will be explained.

[0031] See Figure 5 and Figure 6Two annular grooves are formed on the outer ring disk 351-3 near the front of the box body at the outer ring of the annular rotating component 351. Both annular grooves have a metal coating, which is electrically connected to the electromagnet 354. In addition, a positive pole rod 355 and a negative pole rod 356 are fixed on the front of the box body. The ends of the positive pole rod 355 and the negative pole rod 356 have ball bearings B357. The two poles are pressed against the metal coating of the corresponding annular grooves through the corresponding ball bearings B357. The positive pole rod 355 and the negative pole rod 356 are connected to the corresponding positive power supply line and the corresponding negative power supply line to form a brush-like power supply structure.

[0032] The structure of the walking base 100 will be further explained below.

[0033] A counterweight 110 is provided on the walking base 100. An ear seat is fixed to the bottom of the walking base 100, and a shape wheel is installed on the ear seat. The walking wheel is driven by a walking motor 101 (the walking motor 101 is fixed on the ear seat). A vertical shaft is provided at the center of the upper surface of the ear seat. The vertical shaft is installed on the shape base via a bearing. A steering motor 102 is provided at the upper end of the vertical shaft. Corresponding ball grooves are opened on the upper surface of the ear seat and the lower surface of the walking base, and balls are placed in the ball grooves. This forms a structure in which the shape base 100 can move (of course, if necessary, those skilled in the art can design other structures that can control the shape).

[0034] The structure of the upright pole will be further explained below.

[0035] See Figure 7 The upright 200 includes multiple pole sections 210, each pole section 210 having a pin and a hole at both ends. Multiple pole sections 210 are spliced ​​together by the pins and holes to form an upright. When the pole section 210 is disassembled, each pole section can be inserted into the counterweight block 110.

[0036] The following describes the structure by which the striking mechanism 300 can move on the upright 100.

[0037] See Figure 2 A displacement drive motor 306 is fixed on the back of the box 301, and a travel gear 307 is mounted on the displacement drive motor 306. In addition, a tenon groove A201 is opened on the upright 200. The side wall of the tenon groove A201 is rack-shaped. The travel gear 307 is adapted to be embedded in the tenon groove A201 and meshes with each other, forming a structure in which the striking mechanism 300 can move up and down on the upright 200.

[0038] It should be noted that in this solution, when the corresponding motors and electromagnets are controlled via the control panel by operating the control handle, the corresponding control logic is very simple (as long as those skilled in the art can make adaptive designs as needed), so it will not be elaborated here.

[0039] The above embodiments only illustrate preferred implementation methods, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A mechanism for detecting hollow areas, characterized in that: Includes a walking base (100), a pole (200), and a striking mechanism (300); The walking base (100) is provided with a height-adjustable upright (200), and the upright (200) is provided with a knocking mechanism (300) that can move up and down. The knocking mechanism (300) is provided with a knocking component I and a drawing component II. The walking base (100), the striking component I, and the drawing component II are all electrically connected to the control panel. When the walking base (100) stops, the striking mechanism (300) moves up and down and strikes the wall through the striking component I. If a hollow sound is heard, the position is marked by the marking component II. After the walking base (100) moves to a new position, the striking mechanism (300) moves up and down and strikes the wall through the striking component I. This completes the hollow detection of the entire wall.

2. The mechanism for detecting hollow areas according to claim 1, characterized in that: The tapping mechanism (300) can be detachably installed on the top of the pole (200) to detect hollow spots in the ceiling.

3. A mechanism for detecting hollow areas according to claim 1 or 2, characterized in that: The striking component I includes a housing (301) and striking rods (302). Multiple retractable striking rods (302) are vertically arranged on the front of the housing (301). When the striking rods (302) retract back and forth, a striking action is formed.

4. The mechanism for detecting hollow areas according to claim 3, characterized in that: The striking component I also includes an eccentric wheel (303); Multiple cylindrical tubes A (304) are vertically arranged on the front side of the box body (301), and the spacing between each cylindrical tube A (304) is set. An axially sliding striking rod (302) is installed inside the tube A (304), with both ends of the striking rod (302) extending from both ends of the tube A (304); A magnet A (305) is embedded in the inner end of the striking rod (302). An eccentric wheel (303) capable of conducting magnetism is provided in the housing (301) via a rotating shaft. The inner end of the striking rod (302) contacts the curved surface of the eccentric wheel (303). The rotating shaft is connected to the striking motor drive.

5. The mechanism for detecting hollow areas according to claim 3, characterized in that: In the aforementioned striking component I, a displacement drive motor (306) is fixed at the back of the housing (301), and a traveling gear (307) is mounted on the displacement drive motor (306). The upright (200) has a tenon groove A (201) with a rack-shaped sidewall. The traveling gear (307) is fitted into the tenon groove A (201) and meshes with each other to form a striking mechanism (300) that can move up and down on the upright (200).

6. The mechanism for detecting hollow areas according to claim 3, characterized in that: The line drawing assembly II includes an annular rotating component (351). The annular rotating component (351) is rotatably mounted on the front of the box (301), and the annular rotating component (351) surrounds each striking rod (302) together; a drawing pen (352) with retractable action is provided on the annular rotating component (351); when the striking rod (302) produces a hollow sound when it strikes, a person controls the drawing pen to extend through the control panel and makes the annular rotating component rotate, thereby drawing a marking ring on the wall.

7. The mechanism for detecting hollow areas according to claim 6, characterized in that: The line drawing component II also includes a ring track (353); The annular track (353) has a tenon groove B, and an annular tenon foot (351-1) is fixed on the back of the annular rotating part (351); the annular tenon foot (351-1) can be fitted into the annular groove B by ball A (351-2) to form a structure in which the annular rotating part can rotate smoothly along the annular track. The outer ring of the annular rotating component (351) is fixed with an outer ring disk (351-3), and a line drawing motor (358) is fixed on the front of the box (301). The output shaft of the line drawing motor (358) meshes with the outer ring disk (351-3) through a drive gear to form a structure that drives the annular rotating component to rotate.

8. The mechanism for detecting hollow areas according to claim 7, characterized in that: In the line drawing assembly II, the annular rotating component (351) has an annular inner cavity with a rectangular cross-section; An electromagnet (354) is fixed in the annular cavity on the cavity wall near the front of the box. A tube B (352-1) is provided through the annular inner cavity and in the cavity wall away from the front of the box. A piece of chalk is embedded and fixed at the outer end of the tube B (352-1). A limiting plate (352-2) is provided at the inner end of the tube B (352-1). A magnet B (352-3) is embedded and fixed on the limiting plate (352-2), forming the structure of a drawing pen (352). When the electromagnet (354) is energized in the forward or reverse direction, it can cause the tube B (352-1) to move and expand.

9. A mechanism for detecting hollow areas according to claim 8, characterized in that: In the line drawing assembly II, two annular grooves are opened on the outer ring disk (351-3) near the front of the box body. Both annular grooves have a metal coating, which is electrically connected to the electromagnet (354). A positive electrode push rod (355) and a negative electrode push rod (356) are fixed on the front of the box. The ends of the positive electrode push rod (355) and the negative electrode push rod (356) are both equipped with ball bearings B (357). The two push rods are pressed against the metal coating of the corresponding annular groove by the corresponding ball bearings B (357) to form a brush-like power supply structure.

10. The mechanism for detecting hollow areas according to claim 1, characterized in that: The walking base (100) is provided with a counterweight (110); The pole (200) includes multiple pole sections (210), each pole section (210) having a pin and a hole at both ends, and the multiple pole sections (210) are spliced ​​together by the pin and the hole to form the pole; After the rod section (210) is disassembled, each rod section can be inserted into the counterweight block (110).

Images