Foundation pit bottom flatness detection device

Abstract

The utility model discloses a foundation pit bottom flatness detection device which comprises a rod body and a top block, the top block is installed on the lower wall of the rod body, supporting rods are installed on the left side and the right side of the top block, a detection mechanism is installed above the supporting rods, the detection mechanism comprises a sliding groove, a sliding rod, a lower plate and an upper plate, the sliding groove is formed in the upper wall of each supporting rod, and the sliding rod is installed in the sliding groove in a sliding mode. The upper end and the lower end of the sliding rod are provided with an upper plate and a lower plate respectively, the upper wall of the upper plate and the upper wall of the supporting rod are located on the same plane, the lower plate is located on the outer side of the sliding groove, and the lower plate can be attached to the bottom wall of an external foundation pit. Compared with gap observation, the device is easy and convenient to observe, the worker does not need to bend to operate, and the accuracy of a detection result can be effectively guaranteed.

Description

Technical Field

[0001] This patent relates to the technical field of measuring tools, and specifically relates to a device for detecting the flatness of the bottom of a foundation pit. Background Art

[0002] A foundation pit is an earth pit excavated at the designed position of the foundation according to the base elevation and the foundation plane size;

[0003] In a simple measuring tool for the flatness of a building foundation pit proposed in the publication number CN210887354U, by placing the bottom surface of the scale on the plane to be measured, it is judged whether the surface of the foundation pit is flat by observing whether there is a gap between the scale and the plane to be measured, and the height of the measuring device can be adjusted according to actual needs;

[0004] However, when observing the detection device proposed in the above document, the staff needs to keep their line of sight as close as possible to the bottom plane of the foundation pit in order to observe the gap between the scale and the bottom of the foundation pit. The observation is inconvenient, and when the staff bends down, it is also easy to cause the support plate to tilt, resulting in inaccurate detection.

[0005] Patent Content

[0006] The purpose of this patent is to provide a device for detecting the flatness of the bottom of a foundation pit to solve the problems proposed in the above background art.

[0007] To achieve the above purpose, this patent provides the following technical solution: A device for detecting the flatness of the bottom of a foundation pit, including a rod body and a top block. The lower wall of the rod body is installed with a top block. Both the left and right sides of the top block are installed with support rods, and a detection mechanism is installed above the support rods;

[0008] The detection mechanism includes a chute, a sliding rod, a lower plate and an upper plate. The upper wall of the support rod is provided with a chute, and a sliding rod is slidably installed in the chute. The upper and lower ends of the sliding rod are respectively installed with an upper plate and a lower plate. The upper wall of the upper plate is on the same plane as the upper wall of the support rod. The lower plate is located outside the chute, and the lower plate can be attached to the bottom wall of the external foundation pit;

[0009] An observation mechanism is installed on the upper wall of the top block.

[0010] Preferably, the observation mechanism includes a laser emitter, a battery box and a battery. The side wall of the rod body is inserted and installed with a battery box, and a battery is installed in the battery box. Both the left and right sides of the top block are installed with laser emitters, and the laser emitters are electrically connected to the battery in the battery box.

[0011] Preferably, a threaded hole is formed in the lower wall of the top block. A backing plate is installed on the lower wall of the top block. A slot is formed in the lower wall of the backing plate. A bolt is inserted and installed in the slot. The bolt can be screwed into the threaded hole, and the top block is installed on the lower wall of the top block through the cooperation of the bolt and the threaded hole.

[0012] Preferably, a relief groove is formed in the inner side wall of the sliding groove. A fixing ring is installed on the outer side of the sliding rod. A spring is sleeved on the outer side of the sliding rod. One end of the spring is attached to the inner side wall of the relief groove, and the other end of the spring is attached to the upper wall of the fixing ring.

[0013] Preferably, the output ends of the two laser emitters respectively correspond to the two support rods.

[0014] Preferably, a handle is installed at the upper end of the rod body. Anti-slip patterns are provided on the outer side of the handle. A bubble level is installed on the upper wall of the handle.

[0015] Compared with the prior art, the beneficial effects of this patent are as follows:

[0016] When this device is in use, the top block is abutted against the bottom of the base. By observing the bubble level, this device is adjusted to be horizontal. Then, the staff can judge whether the bottom of the foundation pit is flat by whether the upper plate pops out. Compared with observing the gap, this device is simple to observe and does not require the staff to bend down for operation, which can effectively ensure the accuracy of the detection result;

[0017] In addition, this device can also emit laser through the laser emitter, and judge whether the bottom of the foundation pit is flat by observing whether the laser is blocked by the upper plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of this patent.

[0019] Figure 2 It is a schematic cross-sectional structural diagram of the support rod of this patent.

[0020] In the figure: 1 rod body, 2 top block, 3 support rod, 4 detection mechanism, 41 sliding groove, 42 sliding rod, 43 lower plate, 44 upper plate, 5 observation mechanism, 51 laser emitter, 52 battery box, 53 battery, 6 threaded hole, 7 backing plate, 8 slot, 9 bolt, 10 relief groove, 11 fixing ring, 12 spring, 13 handle, 14 anti-slip pattern, 15 bubble level. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of this patent in conjunction with the accompanying drawings in the embodiments of this patent. Obviously, the described embodiments are only a part of the embodiments of this patent, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this patent without creative efforts shall fall within the scope of protection of this patent.

[0022] Please refer to Figure 1-2 , this patent provides a technical solution: a device for detecting the flatness of the bottom of a foundation pit, including a rod body 1 and a top block 2. The top block 2 is installed on the lower wall of the rod body 1. Support rods 3 are installed on both the left and right sides of the top block 2, and a detection mechanism 4 is installed above the support rods 3;

[0023] The detection mechanism 4 includes a chute 41, a slide rod 42, a lower plate 43 and an upper plate 44. A chute 41 is opened on the upper wall of the support rod 3. A slide rod 42 is slidably installed in the chute 41. The upper and lower ends of the slide rod 42 are respectively installed with an upper plate 44 and a lower plate 43. The upper wall of the upper plate 44 and the upper wall of the support rod 3 are on the same plane. The lower plate 43 is located outside the chute 41, and the lower plate 43 can be attached to the bottom wall of the external foundation pit;

[0024] When detecting whether the bottom of the foundation pit is flat, this device can be placed on the bottom of the foundation pit. By observing the bubble level 15, this device can be adjusted to be horizontal. Then, the staff can judge whether the bottom of the foundation pit is flat by whether the upper plate 44 pops out. Compared with observing the gap, this device is simple to observe and does not require the staff to bend down to operate, which can effectively ensure the accuracy of the detection result;

[0025] An observation mechanism 5 is installed on the upper wall of the top block 2.

[0026] Specifically, the observation mechanism 5 includes a laser emitter 51, a battery box 52 and a battery 53. The battery box 52 is inserted and installed on the side wall of the rod body 1. The battery 53 is installed in the battery box 52. Laser emitters 51 are installed on both the left and right sides of the top block 2. The laser emitter 51 is electrically connected to the battery 53 in the battery box 52;

[0027] The laser emitted by the laser emitter 51 can be emitted in the direction of the support rod 3. If the bottom of the foundation pit is not flat, the upper plate 44 will pop out, and the popped upper plate 44 will block the laser. Therefore, the staff can observe whether the laser is blocked to judge whether the bottom of the foundation pit is flat, making the observation and detection more convenient.

[0028] Specifically, a threaded hole 6 is opened on the lower wall of the top block 2. A backing plate 7 is installed on the lower wall of the top block 2. A slot 8 is opened on the lower wall of the backing plate 7. A bolt 9 is inserted and installed in the slot 8. The bolt 9 can be screwed into the threaded hole 6, and the top block 2 is installed on the lower wall of the top block 2 through the cooperation of the bolt 9 and the threaded hole 6;

[0029] Because this device needs to frequently contact with the bottom of the foundation pit, it will cause wear. The bottom of the pad 7 is uneven after wear, which will affect the final detection mechanism of the device, so the pad 7 needs to be replaced. In this device, the pad 7 is installed under the top block 2 by bolts 9, which is very convenient to replace.

[0030] Specifically, a clearance groove 10 is formed on the inner side wall of the slide groove 41, a fixing ring 11 is installed on the outer side of the slide rod 42, a spring 12 is sleeved on the outer side of the slide rod 42, one end of the spring 12 is in contact with the inner side wall of the clearance groove 10, and the other end of the spring 12 is in contact with the upper wall of the fixing ring 11;

[0031] By setting the spring 12, the slide bar 42 can be reset after the detection is completed.

[0032] Specifically, the output ends of the two laser emitters 51 correspond to the two support rods 3 respectively.

[0033] Specifically, a handle 13 is installed at the upper end of the rod body 1 , an anti-slip pattern 14 is arranged on the outer side of the handle 13 , and a bubble level 15 is installed on the upper wall of the handle 13 .

[0034] Working principle: When detecting whether the bottom of the foundation pit is flat, the device can be placed on the bottom of the foundation pit, and the device can be adjusted to a horizontal level by observing the bubble level 15. Then the staff can judge whether the bottom of the foundation pit is flat by whether the upper plate 44 is pushed out. When observing whether the upper plate 44 is pushed out, the laser emitter 51 can be turned on to emit a laser in the direction of the support rod 3. If the bottom of the foundation pit is not flat, the upper plate 44 will be pushed out, and the pushed-out upper plate 44 will block the laser. Therefore, the staff can observe whether the laser is blocked to judge whether the bottom of the foundation pit is flat, making it easier to observe and detect.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0036] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for detecting the flatness of the bottom of a foundation pit, comprising a rod body (1) and a top block (2), characterized in that: A top block (2) is installed on the lower wall of the rod body (1). Support rods (3) are installed on both the left and right sides of the top block (2), and a detection mechanism (4) is installed above the support rods (3). The detection mechanism (4) includes a chute (41), a sliding rod (42), a lower plate (43) and an upper plate (44). A chute (41) is formed in the upper wall of the support rod (3). A sliding rod (42) is slidably installed in the chute (41). The upper and lower ends of the sliding rod (42) are respectively installed with an upper plate (44) and a lower plate (43). The upper wall of the upper plate (44) and the upper wall of the support rod (3) are in the same plane. The lower plate (43) is located outside the chute (41), and the lower plate (43) can be attached to the bottom wall of the external foundation pit. An observation mechanism (5) is installed on the upper wall of the top block (2).

2. The flatness detection device for the bottom of a foundation pit according to claim 1, characterized in that: The observation mechanism (5) includes a laser emitter (51), a battery box (52) and a battery (53). A battery box (52) is inserted and installed on the side wall of the rod body (1). A battery (53) is installed in the battery box (52). Laser emitters (51) are installed on both the left and right sides of the top block (2). The laser emitters (51) are electrically connected to the battery (53) in the battery box (52).

3. The bottom flatness detection device for foundation pits according to claim 1, characterized in that: A threaded hole (6) is formed in the lower wall of the top block (2). A backing plate (7) is installed on the lower wall of the top block (2). A slot (8) is formed in the lower wall of the backing plate (7). A bolt (9) is inserted and installed in the slot (8). The bolt (9) can be screwed into the threaded hole (6). The top block (2) is installed on the lower wall of the top block (2) through the cooperation of the bolt (9) and the threaded hole (6).

4. The bottom flatness detection device for foundation pits according to claim 1, characterized in that: A relief groove (10) is formed in the inner side wall of the chute (41). A fixing ring (11) is installed on the outer side of the sliding rod (42). A spring (12) is sleeved on the outer side of the sliding rod (42). One end of the spring (12) is attached to the inner side wall of the relief groove (10), and the other end of the spring (12) is attached to the upper wall of the fixing ring (11).

5. The bottom flatness detection device for foundation pit according to claim 2, wherein: The output ends of the two laser emitters (51) respectively correspond to the two support rods (3).

6. The bottom flatness detection device for foundation pit according to claim 1, characterized in that: A handle (13) is installed at the upper end of the rod body (1). Anti-slip patterns (14) are provided on the outer side of the handle (13). A bubble level (15) is installed on the upper wall of the handle (13).

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