Measuring tool

Abstract

The utility model relates to a measuring tool which comprises a measuring pipe, a measuring cable and a measuring probe which are pre-buried in a foundation pit, a measuring cavity is formed in the measuring pipe, and the measuring probe is arranged on the measuring cable and can be located in the measuring cavity. The method has the effect of improving the applicability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of foundation pit construction, in particular to a measuring tool. BACKGROUND

[0002] Deep foundation pit engineering construction not only needs to ensure its own safety and stability, but also needs to effectively control soil deformation to protect the surrounding environment. Among them, the monitoring of soil settlement is the most critical project.

[0003] The prior art mostly uses a fixed measuring instrument buried for measurement.

[0004] However, the fixed measuring instrument is fixed in position after being buried, and can only measure the corresponding buried area, and cannot take other areas into account, so the applicability is relatively low. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the applicability, the present application provides a measuring tool.

[0006] The present application provides a measuring tool, which adopts the following technical scheme:

[0007] A measuring tool, comprising a measuring pipe pre-buried in a foundation pit, a measuring cable and a measuring probe, a measuring cavity is formed in the measuring pipe, and the measuring probe is arranged on the measuring cable and can be located in the measuring cavity.

[0008] By adopting the above technical scheme, the operator can change the position of the measuring probe in the measuring cavity by winding or unwinding the measuring cable and the action of the measuring probe, so as to correspond to different heights of the foundation pit; and when measuring different positions of the foundation pit, the measuring probe can be placed in the measuring cavity of the measuring pipe, so the applicability is relatively high.

[0009] Optionally, a limiting mechanism is arranged on the measuring cable, the limiting mechanism comprises a fixed block, a connecting assembly and a roller, the fixed block is arranged on the measuring cable; the connecting assembly is provided with a plurality of connecting blocks, each connecting block is arranged on the fixed block, and the roller is rotatably arranged on the connecting block and abuts against the side wall of the measuring cavity.

[0010] By adopting the above technical scheme, the fixed block has a certain weight, so that the fixed block and the measuring probe can tighten the measuring cable, thereby better facilitating the operator to change the position of the measuring probe; and when the fixed block and the measuring probe are located in the measuring cavity, the roller abuts against the side wall of the measuring cavity, so that the measuring probe can be located at a suitable position in the measuring cavity, and the phenomenon of damage to the measuring probe caused by the measuring probe hitting the side wall of the measuring cavity can be reduced.

[0011] Optionally, the limiting assembly comprises two limiting grooves, which are arranged on the measuring tube and communicate with the measuring cavity, and the two rollers of the connecting assembly are respectively arranged in the two limiting grooves.

[0012] By adopting the above technical scheme, when the fixing block and the measuring probe are located in the measuring cavity, the rollers on the two connecting blocks in the same connecting assembly are respectively located in the two limiting grooves of the limiting assembly and slide in the limiting grooves; the limiting assembly arranged can reduce the movement path of the limiting rollers, thereby limiting the path of the fixing block and reducing the phenomenon of deviation of the measuring probe.

[0013] Optionally, the two limiting grooves in the limiting assembly are arranged on the opposite side walls of the measuring tube, and the two connecting blocks in the connecting assembly are arranged on the opposite two side walls of the fixing block.

[0014] By adopting the above technical scheme, the connecting block arranged on the opposite two side walls of the fixing block can better reduce the sliding phenomenon of the fixing block in the measuring cavity.

[0015] Optionally, the limiting assembly is provided with a plurality of limiting assemblies.

[0016] By adopting the above technical scheme, the rollers on the two connecting blocks in the connecting assembly are first respectively located in the two limiting grooves of one of the limiting assemblies, and then the measuring probe detects the data of different heights of the foundation pit; then the rollers on the two connecting blocks in the connecting assembly are respectively located in the two limiting grooves of the other limiting assembly, and then the measuring probe detects the data of the same height; by repeatedly measuring through the plurality of rollers located in different limiting grooves, the measurement accuracy is improved and the measurement error is reduced.

[0017] Optionally, the connecting block is provided with an assembly assembly connected with the fixing block, the assembly assembly comprises an assembly block and an assembly bolt, the assembly block is arranged on the connecting block, the fixing block is provided with an assembly groove matched with the assembly block, and the assembly bolt is threadedly connected with the fixing block through the assembly block.

[0018] By adopting the above technical scheme, when the roller is damaged or the cross section of the measuring cavity is relatively large, the assembly bolt is first rotated to separate the assembly bolt from the fixing block; then the assembly block is taken out of the assembly groove, and a new roller or a roller matched with the measuring cavity is replaced; then the assembly block on the new roller is matched with the assembly groove on the fixing block, and finally the assembly bolt is threadedly connected with the fixing block through the assembly block.

[0019] Optionally, the fixing block is provided with a limiting mechanism, the limiting mechanism comprises a limiting block, a reinforcing block and an adjusting assembly, the fixing block is provided with a clamping groove, the limiting block is clamped with the clamping groove, and the limiting block can abut against the measuring tube; the reinforcing block is slidably arranged on the limiting block, the clamping groove is provided with a reinforcing groove clamped with the reinforcing block; and the adjusting assembly is arranged on the limiting block and connected with the reinforcing block.

[0020] By using the above technical scheme, when the fixing block is away from the measuring probe and the measuring cable is not located in the measuring cavity, but the measuring probe needs to be located in the measuring cavity for measurement, the limiting block is first clamped with the clamping groove, then the reinforcing block is moved by the adjusting assembly, the reinforcing block is clamped with the reinforcing groove, and then the side wall probe is located in the measuring cavity, and the limiting block abuts against the measuring tube.

[0021] Optionally, the adjusting assembly comprises an adjusting shaft, a first adjusting gear, a second adjusting gear, a third adjusting gear, a fourth adjusting gear and an adjusting rack, the adjusting shaft is rotatably arranged on the limiting block, the first adjusting gear is keyed connected on the adjusting shaft, the second adjusting gear is rotatably arranged on the limiting block and engaged with the first adjusting gear, the third adjusting gear is rotatably arranged on the limiting block and engaged with the second adjusting gear, the fourth adjusting gear is rotatably arranged on the limiting block and engaged with the third adjusting gear, and the adjusting rack is arranged on the reinforcing block and engaged with the fourth adjusting gear.

[0022] By using the above technical scheme, the adjusting shaft is rotated, the first adjusting gear on the adjusting shaft drives the second adjusting gear to rotate, the second adjusting gear drives the fourth adjusting gear to rotate through the third adjusting gear, the fourth adjusting gear drives the adjusting rack to move, and the adjusting rack drives the reinforcing block to move.

[0023] Optionally, the measuring cable is provided with a positioning ring, a plurality of positioning rings are arranged on the measuring cable.

[0024] By using the above technical scheme, because the positioning rings are uniformly arranged, the operator can determine the approximate position of the measuring probe in the measuring cavity according to the number of the positioning rings entering the measuring cavity, so that the measuring probe can obtain data at different positions and reduce the phenomenon of missing measurement.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. The operator can change the position of the measuring probe in the measuring cavity by winding or unwinding the measuring cable, so that the measuring probe corresponds to different heights of the foundation pit; and when measuring different positions of the foundation pit, the measuring probe can be placed in the measuring cavity corresponding to the measuring tube, so that the applicability is relatively high;

[0027] 2. The limiting assembly can reduce the movement path of the limiting roller, thereby limiting the path of the fixed block and reducing the deviation of the measuring probe;

[0028] 3. Because the positioning ring is uniformly arranged, the operator can determine the approximate position of the measuring probe in the measuring cavity according to the number of the measuring probe entering the measuring cavity, so that the measuring probe can obtain data at different positions and reduce the missing measurement phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure schematic view of the measuring tool in the embodiment of the application;

[0030] Figure 2 It is a structure schematic view of the measuring cavity in the embodiment of the application;

[0031] Figure 3 It is a structure schematic view of the limiting mechanism in the embodiment of the application;

[0032] Figure 4 It is a structure schematic view of the assembling assembly in the embodiment of the application;

[0033] Figure 5 It is a structure schematic view of the measuring tube in the embodiment of the application;

[0034] Figure 6 It is a structure schematic view of the adjusting assembly in the embodiment of the application.

[0035] Reference signs: 1, measuring tube; 11, measuring cavity; 12, limiting groove; 2, measuring cable; 3, limiting mechanism; 31, fixed block; 32, connecting block; 33, roller; 34, assembling assembly; 341, assembling block; 342, assembling bolt; 4, limiting mechanism; 41, limiting block; 411, cavity; 42, reinforcing block; 43, adjusting assembly; 431, adjusting shaft; 432, first adjusting gear; 433, second adjusting gear; 434, third adjusting gear; 435, fourth adjusting gear; 436, adjusting rack; 5, positioning ring. DETAILED DESCRIPTION

[0036] The following will be described in detail in combination with the drawings Figures 1-6 The application will be further described in detail.

[0037] The embodiment of the application discloses a measuring tool.

[0038] Reference Figure 1 and Figure 2 A measuring tool, comprising a measuring pipe 1 embedded in a foundation pit, a measuring cavity 11 is formed on the measuring pipe 1; a measuring probe is arranged in the measuring cavity 11, and a measuring cable 2 is connected to the measuring probe; and a digital display device is connected to the end of the measuring cable 2 away from the measuring probe.

[0039] Reference Figure 2 and Figure 3 A limiting mechanism 3 is arranged on the measuring cable 2, the limiting mechanism 3 comprises a fixed block 31 fixedly connected to the measuring cable 2, and the fixed block 31 is located at the end of the measuring cable 2 close to the fixed block 31; a plurality of connecting assemblies are arranged on the fixed block 31, and the number of the connecting assemblies in the embodiment is two; each connecting assembly comprises two connecting blocks 32, and a roller 33 is rotatably connected to each connecting block 32.

[0040] Reference Figure 3 and Figure 4 An assembly groove is formed in the side wall of the fixed block 31, and an assembly assembly 34 is arranged on each connecting block 32; the assembly assembly 34 comprises an assembly block 341 fixedly connected to the connecting block 32, and the assembly block 341 is clamped with the assembly groove in the fixed block 31; and an assembly screw 342 is arranged on the assembly block 341 and is threadedly connected with the fixed block 31 through the assembly block 341.

[0041] The assembly block 341 on the connecting block 32 is first clamped with the assembly groove in the fixed block 31, and then the assembly screw 342 is threadedly connected with the fixed block 31 through the assembly block 341, so that the connecting block 32 is fixed on the fixed block 31; and the two connecting blocks 32 in the same connecting assembly are arranged on the opposite side walls of the fixed block 31, i.e. the two connecting blocks 32 are symmetric about the axis of the fixed block 31 in the length direction.

[0042] Reference Figure 2 and Figure 5 A plurality of limiting assemblies are arranged on the measuring pipe 1, and the number of the limiting assemblies in the embodiment is two; each limiting assembly comprises two limiting grooves 12, and the limiting grooves 12 are formed in the measuring pipe 1 and communicate with the measuring cavity 11; the two limiting grooves 12 are arranged on the opposite side walls of the measuring pipe 1, i.e. the two limiting grooves 12 are symmetric about the axis of the fixed block 31 in the length direction. The four limiting grooves 12 on the measuring pipe 1 are uniformly arranged on the measuring pipe 1, i.e. the included angle between any two adjacent limiting grooves 12 is 90 degrees.

[0043] The rollers 33 on the two connecting blocks 32 in the same connecting assembly are respectively located in the two limiting grooves 12 in the same limiting assembly and slide in the limiting grooves 12.

[0044] Reference Figure 2 and Figure 6A plurality of clamping grooves are formed on the outer wall of the fixing block 31, and a reinforcing groove is formed in the fixing block 31 and communicates with the clamping grooves.

[0045] A limiting mechanism 4 is arranged on the fixing block 31, and the limiting mechanism 4 comprises a limiting block 41 clamped in the clamping grooves, the limiting block 41 is formed with a cavity 411, and a sliding hole is formed in the limiting block 41 and communicates with the cavity 411, a reinforcing block 42 is slidably connected in the sliding hole, and the reinforcing block 42 can be clamped in the reinforcing groove. An adjusting assembly 43 is arranged on the limiting block 41, and the adjusting assembly 43 comprises an adjusting shaft 431 rotatably connected to the limiting block 41, one end of the adjusting shaft 431 is located in the cavity 411, and a first adjusting gear 432 is rotatably connected to the adjusting shaft 431 in the cavity 411; a second adjusting gear 433, a third adjusting gear 434 and a fourth adjusting gear 435 are rotatably connected in the cavity 411 of the limiting block 41, the second adjusting gear 433 is located between the third adjusting gear 434 and the first adjusting gear 432, and the third adjusting gear 434 and the first adjusting gear 432 are engaged with the second adjusting gear 433; the fourth adjusting gear 435 is located on the side of the third adjusting gear 434 away from the second adjusting gear 433 and between the third adjusting gear 434 and the reinforcing block 42, and the fourth adjusting gear 435 is engaged with the third adjusting gear 434; a gear rack 436 engaged with the fourth adjusting gear 435 is integrally arranged on the side of the reinforcing block 42 close to the fourth adjusting gear 435.

[0046] The end of the limiting block 41 close to the reinforcing block 42 is clamped in the clamping groove on the fixing block 31, then the adjusting shaft 431 is rotated, the adjusting shaft 431 drives the first adjusting gear 432 to rotate, the first adjusting gear 432 drives the second adjusting gear 433 to rotate, the second adjusting gear 433 drives the third adjusting gear 434 to rotate, the third adjusting gear 434 drives the fourth adjusting gear 435 to rotate, the fourth adjusting gear 435 drives the gear rack 436 to move, and the gear rack 436 drives the reinforcing block 42 to move, so that the reinforcing block 42 is clamped in the reinforcing groove on the fixing block 31.

[0047] Reference Figure 2 And Figure 3 A plurality of positioning rings 5 are uniformly arranged on the measuring cable 2, and the distance between adjacent two positioning rings 5 is equal, and the positioning ring 5 is bonded on the measuring cable 2.

[0048] A protective cap can be clamped on the measuring pipe 1 to reduce the entry of large particle objects into the measuring cavity 11 and the limiting groove 12 of the measuring pipe 1 during construction.

[0049] The implementation principle of the measuring tool is as follows: when the data in the foundation pit needs to be measured, the operator first separates the protective cap from the measuring pipe 1; then installs the connecting block 32 with the rollers 33 in the fixing block 31; then makes the two rollers 33 in the same connecting assembly slide into the limiting grooves 12 of the same limiting assembly; under the action of the operator winding or unwinding the measuring cable 2 and the weight of the fixing block 31, the position of the fixing block 31 in the measuring cavity 11 of the measuring block changes, so that the measuring probe can measure different positions; then the two rollers 33 of the same connecting assembly slide into the limiting grooves of another limiting assembly, respectively, for repeated testing to ensure the accuracy of the measurement data.

[0050] When the fixing block 31 is close to the end of the limiting cable and the limiting cable is not located in the measuring cavity 11 of the cable pipe, and the measuring probe still needs to be located in the measuring cavity 11 for measurement, first make the limiting block 41 be clamped with the clamping groove on the fixing block 31, then make the reinforcing block 42 be clamped with the reinforcing groove on the fixing block 31; then make the end of the limiting block 41 away from the fixing block 31 abut against the measuring pipe 1.

[0051] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A measuring fixture, characterized in that, It includes a measuring pipe (1), a measuring cable (2) and a measuring probe pre-embedded in the foundation pit. A measuring cavity (11) is formed inside the measuring pipe (1), and the measuring probe is set on the measuring cable (2) and can be located inside the measuring cavity (11).

2. The measuring fixture according to claim 1, characterized in that, The measuring cable (2) is provided with a limiting mechanism (3), which includes a fixing block (31), a connecting component and a roller (33). The fixing block (31) is provided on the measuring cable (2). Multiple connecting components are provided, and each connecting component includes two connecting blocks (32). Both connecting blocks (32) are provided on the fixing block (31). The roller (33) is rotatably provided on the connecting block (32) and abuts against the side wall of the measuring cavity (11).

3. A measuring fixture according to claim 2, characterized in that, It also includes a limiting component, which includes two limiting slots (12), the limiting slots (12) being opened on the measuring tube (1) and communicating with the measuring cavity (11), and the two rollers (33) in the connecting component being slidably disposed in the two limiting slots (12).

4. A measuring fixture according to claim 3, characterized in that, The two limiting slots (12) in the limiting assembly are disposed on opposite sidewalls of the measuring tube (1), and the two connecting blocks (32) in the connecting assembly are disposed on opposite sidewalls of the fixing block (31).

5. A measuring fixture according to claim 3, characterized in that, The specified limiting components are provided in multiple ways.

6. A measuring fixture according to claim 2, characterized in that, The connecting block (32) is provided with an assembly component (34) that is connected to the fixing block (31). The assembly component (34) includes an assembly block (341) and an assembly bolt (342). The assembly block (341) is provided on the connecting block (32). The fixing block (31) has an assembly groove that engages with the assembly block (341). The assembly bolt (342) passes through the assembly block (341) and is threadedly connected to the fixing block (31).

7. A measuring fixture according to claim 2, characterized in that, The fixing block (31) is provided with a limiting mechanism (4), which includes a limiting block (41), a reinforcing block (42) and an adjusting component (43). The fixing block (31) has a slot, the limiting block (41) is engaged with the slot, and the limiting block (41) can abut against the measuring tube (1). The reinforcing block (42) is slidably disposed on the limiting block (41), and a reinforcing groove is provided in the slot to engage with the reinforcing block (42). The adjusting component (43) is disposed on the limiting block (41) and connected to the reinforcing block (42).

8. A measuring fixture according to claim 7, characterized in that, The adjustment assembly (43) includes an adjustment shaft (431), a first adjustment gear (432), a second adjustment gear (433), a third adjustment gear (434), a fourth adjustment gear (435), and an adjustment rack (436). The adjustment shaft (431) is rotatably mounted on the limiting block (41). The first adjustment gear (432) is keyed to the adjustment shaft (431). The second adjustment gear (433) is rotatably mounted on the limiting block (41) and meshes with the first adjustment gear (432). The third adjustment gear (434) is rotatably mounted on the limiting block (41) and meshes with the second adjustment gear (433). The fourth adjustment gear (435) is rotatably mounted on the limiting block (41) and meshes with the third adjustment gear (434). The adjustment rack (436) is mounted on the reinforcing block (42) and meshes with the fourth adjustment gear (435).

9. A measuring fixture according to claim 1, characterized in that, The measuring cable (2) is provided with a positioning ring (5), and multiple positioning rings (5) are provided, and the multiple positioning rings (5) are evenly arranged on the measuring cable (2).

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