Earthwork thickness detection device
By designing a stabilization mechanism in the earth thickness detection equipment, including a stabilizing block, a support puncture block and a connecting mechanism, the problem of the equipment being reduced due to manual operation instability during operation is solved, and higher detection accuracy and better space utilization are achieved.
Patent Information
- Application Number
- CN202420871778.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-25
AI Technical Summary
During operation, existing earth thickness detection equipment is prone to inclination of the insertion rod due to unstable manual operation, which in turn affects the detection accuracy.
An earth thickness detection device including a protective sleeve, an insertion mechanism and a stabilizing mechanism is designed. The stabilization mechanism consists of a stabilization block, a support puncture block, a support block and a connecting mechanism. The stabilization block resists the earth and supports the puncture block enters the earth, and the vertical state of the protective sleeve is maintained through the connecting mechanism to ensure stable insertion of the insertion mechanism.
Through the design of the stabilizing mechanism, the vertical state of the protective sleeve can be maintained, manual operation can be reduced, and the accuracy of detection can be improved. At the same time, the removable design of the support block can be stored separately when it is not inspected, reducing the overall space occupied.
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Figure CN222617798U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of detection equipment, and in particular to an earthwork thickness detection device. Background Art
[0002] Earthwork thickness detection equipment is a device used for water conservancy project measurement.
[0003] At present, a Chinese patent with authorization announcement number CN219736208U discloses an earthwork thickness detection device for water conservancy supervision, including a protective sleeve, an insertion mechanism is arranged on the right side of the protective sleeve, both sides of the protective sleeve are fixedly connected with rubber plates, the front of the rubber plate is fixedly connected with a transparent plate, and the front of the transparent plate is provided with a scale; the insertion mechanism includes a screw rod, the screw rod is arranged on the right side of the protective sleeve, the left side of the screw rod penetrates the rubber plate and extends to the inside of the protective sleeve and is fixedly connected with a fixed plate, the left side of the fixed plate is fixedly connected with an insertion rod, the left side of the insertion rod penetrates to the outside of the protective sleeve and is fixedly connected with a conical column, the left side of the screw rod surface is threadedly connected with a screw sleeve, and the surface of the screw sleeve is fixedly connected to the inner wall of the protective sleeve.
[0004] When using the above-mentioned testing equipment for sampling and testing, an operator is required to hold the protective cover. When the protective cover held by the operator is in a tilted state, the insertion rod will be inserted into the earth at an angle, which will cause problems with the degree of the constant plate, resulting in inaccurate detection. Utility Model Content
[0005] In order to ensure the accuracy of detection, the present application provides an earthwork thickness detection device.
[0006] The present application provides a soil thickness detection device, which adopts the following technical solution:
[0007] A device for detecting earth thickness comprises a protective sleeve and an insertion mechanism, wherein the insertion mechanism is arranged on the protective sleeve, and further comprises a stabilizing mechanism, wherein the stabilizing mechanism comprises a stabilizing block, a supporting puncture block, a supporting block and a connecting mechanism, wherein the supporting puncture block is arranged on the stabilizing block, and the stabilizing block contacts the earth; the supporting block is arranged on the stabilizing block, and the protective sleeve is connected to the supporting block via the connecting mechanism.
[0008] By adopting the above technical solution, the stabilizing block is first made to contact the earth, and the supporting piercing block is made to enter the earth; then the protective sleeve is vertically connected to the supporting block through the connecting mechanism, and then the insertion mechanism is inserted into the earth to detect the thickness of the earth; therefore, the stabilizing mechanism provided can maintain the vertical state of the protective sleeve, reduce manual operation, and thus ensure the accuracy of the detection.
[0009] Optionally, the connecting mechanism includes a first connecting block, a second connecting block, a third connecting block and a connecting assembly, the first connecting block is arranged on the supporting block, and a first connecting groove is provided on the first connecting block; the second connecting block is arranged on one side of the third connecting block, and the third connecting block is arranged on the second connecting block and is engaged with the first connecting groove; the connecting assembly is arranged on the first connecting block and is connected to the third connecting block; the first connecting block and the second connecting block are both pressed against the protective cover.
[0010] By adopting the above technical solution, the protective sleeve is firstly made to contact with the first connecting block, and then the third connecting block is clamped with the first connecting groove on the first connecting block, and the second connecting block is made to contact with the first connecting block, so that the first connecting block and the second connecting block are both pressed tightly against the protective sleeve, and finally the third connecting block is fixed to the first connecting block using the connecting assembly; the provided connecting mechanism can connect the protective sleeve to the first connecting block, thereby realizing the connection between the protective sleeve and the support block.
[0011] Optionally, a limiting block is provided on the protective sleeve, a first limiting groove is provided on the first connecting block, and a second limiting groove is provided on the second connecting block, the first limiting groove is clamped with one end of the limiting block, and the second limiting groove is clamped with the other end of the limiting block; a connecting sleeve is provided on the protective sleeve, and the first connecting block and the second connecting block both abut against the connecting sleeve.
[0012] By adopting the above technical solution, before the third connecting block is engaged with the first connecting groove on the first connecting block, one end of the limiting block is first engaged with the first limiting groove of the first connecting block, and the connecting sleeve contacts the first connecting block; then the third connecting block is engaged with the first connecting groove on the first connecting block, at which time the second connecting block will also contact the connecting sleeve, and the second limiting groove on the second connecting block will also be engaged with the limiting block; the provided limiting block and connecting sleeve can improve the stability of the protective sleeve on the first connecting block.
[0013] Optionally, the connecting assembly includes a fourth connecting block and a first screw, the first connecting block is provided with a second connecting groove that slides with the fourth connecting block, and the third connecting block is provided with a third connecting groove that is engaged with the fourth connecting block; the first connecting block is provided with a first threaded hole that communicates with the second connecting groove, one end of the first screw is rotatably set on the fourth connecting block and the other end passes through the first threaded hole, and the first screw is threadedly connected to the first threaded hole.
[0014] By adopting the above technical solution, when the third connecting block is engaged with the first connecting groove on the first connecting block and the second connecting block contacts the first connecting block, the second connecting block and the first connecting block will both press against the protective sleeve; and then the first screw is rotated, and the first screw drives the fourth connecting block to move in the direction close to the third connecting block, so that the fourth connecting block is engaged with the third connecting groove on the third connecting block, thereby fixing the protective sleeve on the first connecting block.
[0015] Optionally, the stabilizing block is provided with a mounting mechanism connected to the supporting puncture block, the mounting mechanism includes a mounting column and a second screw, the mounting column is arranged on the supporting puncture block, the second screw is arranged on the mounting column, and the stabilizing block is provided with a second threaded hole threadedly connected to the second screw.
[0016] By adopting the above technical solution, when the support puncture block is damaged, the support puncture block is rotated, and the mounting column on the support puncture block drives the second screw to rotate, so that the second screw is separated from the second threaded hole on the stabilizing block, thereby realizing the separation of the support puncture block and the stabilizing block, and then the support puncture block can be repaired or replaced.
[0017] Optionally, a stabilizing mechanism is provided on the stabilizing block, and the stabilizing mechanism includes a stabilizing block and an adjusting component. The stabilizing block is slidably provided on the stabilizing block, and a stabilizing groove which is engaged with the stabilizing block is provided on the mounting column; the adjusting component is provided on the stabilizing block and connected to the stabilizing block.
[0018] By adopting the above technical solution, when the second screw is fully threadedly connected with the second threaded hole, the stabilizing block is driven to move toward the mounting column through the adjusting component, so that the stabilizing block is engaged with the stabilizing groove on the mounting column, thereby improving the stability of the mounting column on the stabilizing block.
[0019] Optionally, the adjustment assembly includes an adjustment shaft, an adjustment gear and an adjustment rack, the adjustment shaft is rotatably disposed on the stabilizing block, the adjustment gear key is connected to the adjustment shaft; the adjustment rack is disposed on the stabilizing block and meshes with the adjustment gear.
[0020] By adopting the above technical solution, the adjusting shaft is rotated, and the adjusting gear on the adjusting shaft drives the adjusting rack to move, and the adjusting rack drives the stabilizing block to move; the set adjusting component has a simple structure and is easy to operate.
[0021] Optionally, the support block is provided with a fixing component connected to the stabilizing block, the fixing component includes a fixing plate, a fixing bolt and a clamping block, the fixing plate abuts against the stabilizing block, the support block is provided on the fixing plate, the fixing bolt passes through the fixing plate and is threadedly connected to the stabilizing block; the clamping block is provided on the fixing plate, and the stabilizing block is provided with a clamping groove which is clamped with the clamping block.
[0022] By adopting the above technical solution, the clamping block is first clamped with the clamping groove on the stabilizing block, and the fixing plate is abutted against the stabilizing block, and then the fixing bolt is passed through the fixing plate and threadedly connected with the stabilizing block, so as to connect the support block to the stabilizing block; because the protective sleeve has a certain length, the support block located on the stabilizing block must also have a certain height; the support block is detachably connected to the stabilizing block, so that when the earthwork is not being inspected, the support block can be separated from the stabilizing block and then stored separately, thereby reducing the overall space occupied.
[0023] Optionally, the insertion mechanism includes a constant plate, an insertion rod, a conical block and a drive assembly, the constant plate is slidably arranged in the protective sleeve, the insertion rod is arranged on the constant plate, and the conical block is arranged on the insertion rod; the drive assembly is arranged on the protective sleeve and connected to the constant plate.
[0024] By adopting the above technical solution, after the protective sleeve is connected to the support block through the connecting mechanism, the driving assembly drives the constant plate to move, and the constant plate drives the insertion rod to move, so that the conical block on the insertion rod and the end of the insertion rod away from the constant plate both enter the earth, and the thickness of the earth is calculated according to the position of the constant plate on the protective sleeve.
[0025] In summary, the present application includes at least one of the following beneficial technical effects:
[0026] 1. The stabilizing mechanism can keep the protective cover in a vertical state, reducing manual operation and thus ensuring the accuracy of detection;
[0027] 2. The fixed assembly can make the support block detachably connected to the stabilizing block. When the earthwork is not inspected, the support block is separated from the stabilizing block and then stored separately to reduce the overall space occupied. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a schematic diagram of the structure of the earthwork thickness detection device in the embodiment of the present application;
[0029] Figure 2 This is a schematic diagram of the structure of the installation mechanism in the embodiment of the present application;
[0030] Figure 3 This is a schematic diagram of the structure of the adjustment component in the embodiment of the present application;
[0031] Figure 4 This is a schematic diagram of the structure of the fixing assembly in the embodiment of the present application;
[0032] Figure 5 This is a schematic diagram of the structure of the connection mechanism in the embodiment of the present application;
[0033] Figure 6 This is a schematic diagram of the structure of the connection assembly in the embodiment of the present application;
[0034] Figure 7 Schematic diagram of the structure of the driving component in the embodiment of the present application.
[0035] Reference numerals: 1, protective sleeve; 2, insertion mechanism; 21, constant plate; 22, insertion rod; 23, conical block; 24, driving assembly; 241, fixing block; 242, third screw rod; 243, driving wheel; 3, stabilizing mechanism; 31, stabilizing block; 311, second threaded hole; 32, supporting puncture block; 33, supporting block; 4, connecting mechanism; 41, first connecting block; 411, first connecting groove; 412, first limiting groove; 42, second connecting block; 43. Third connecting block; 431. Third connecting groove; 44. Connecting assembly; 441. Fourth connecting block; 442. First screw rod; 45. Limiting block; 46. Connecting sleeve; 5. Mounting mechanism; 51. Mounting column; 52. Second screw rod; 6. Stabilizing mechanism; 61. Stabilizing block; 62. Adjusting assembly; 621. Adjusting shaft; 622. Adjusting gear; 623. Adjusting rack; 7. Fixing assembly; 71. Fixing plate; 72. Fixing bolt; 73. Block. DETAILED DESCRIPTION
[0036] The following is combined with Figure 1-7 This application is described in further detail.
[0037] An embodiment of the present application discloses a device for detecting earth thickness.
[0038] refer to Figure 1 A soil thickness detection device includes a stabilizing mechanism 3, a protective sleeve 1 is arranged on the stabilizing mechanism 3, and an insertion mechanism 2 is arranged on the protective sleeve 1.
[0039] refer to Figure 1 and Figure 2 The stabilizing mechanism 3 includes a stabilizing block 31, which contacts the earthwork, and a supporting piercing block 32 is provided on the side of the stabilizing block 31 close to the earthwork. A mounting mechanism 5 connected to the supporting piercing block 32 is provided on the stabilizing block 31, and the mounting mechanism 5 includes a mounting column 51 fixedly connected to the supporting piercing block 32, and a second screw rod 52 is fixedly connected to one end of the mounting column 51 away from the supporting piercing block 32, and a second threaded hole 311 threadedly connected to the second screw rod 52 is provided on the stabilizing block 31.
[0040] The second screw rod 52 is threadedly connected to the second threaded hole 311 on the stabilizing block 31 , so that the support puncture block 32 is connected to the stabilizing block 31 , and one end of the support column close to the second screw rod 52 is located in the second threaded hole 311 .
[0041] refer to Figure 2 and Figure 3 In order to improve the stability of the puncture block 32 supported on the stabilizing block 31, a stabilizing mechanism 6 is provided on the stabilizing block 31. A sliding cavity communicating with the second threaded hole 311 is provided on the stabilizing block 31, and the stabilizing mechanism 6 includes a stabilizing block 61 sliding in the sliding cavity, and a stabilizing groove engaged with the stabilizing block 61 is provided on the mounting column 51 located in the second threaded hole 311. An adjusting assembly 62 is provided on the stabilizing block 31, and the adjusting assembly 62 includes an adjusting shaft 621, and an adjusting gear 622 is keyed to the adjusting shaft 621; an adjusting rack 623 meshing with the adjusting gear 622 is fixedly connected to the stabilizing block 61.
[0042] When the second screw rod 52 is fully threadedly connected with the second threaded hole 311, the adjusting shaft 621 is rotated, the adjusting shaft 621 drives the adjusting gear 622 to rotate, the adjusting gear 622 drives the adjusting rack 623 to move, and the adjusting rack 623 drives the stabilizing block 61 to move toward the mounting column 51, so that the stabilizing block 61 is engaged with the stabilizing groove on the mounting column 51.
[0043] Reference 1 and Figure 4 A slot is provided on one side of the stabilizing block 31 away from the second threaded hole 311, and a fixing assembly 7 is provided on the stabilizing block 31. The fixing assembly 7 includes a block 73 engaged with the slot, a fixing plate 71 is fixedly connected to the block 73, and a fixing bolt 72 is provided on the fixing plate 71 and threadedly connected to the stabilizing block 31 through the fixing plate 71.
[0044] First, the clamping block 73 is clamped with the clamping groove on the stabilizing block 31 , and the fixing plate 71 is abutted against the stabilizing block 31 , and then the fixing bolt 72 passes through the fixing plate 71 and is threadedly connected with the stabilizing block 31 .
[0045] refer to Figure 4 and Figure 5 A support block 33 is fixedly connected to the fixed plate 71, and a connecting mechanism 4 is arranged on the support block 33. The connecting mechanism 4 includes a first connecting block 41 fixedly connected to the support block 33, and a first connecting groove 411 is provided on the side of the first connecting block 41 away from the support block 33; a second connecting block 42 is provided on the side of the first connecting block 41 away from the support block 33, and a third connecting block 43 is fixedly connected to the end of the second connecting block 42 close to the first connecting block 41, and the third connecting block 43 is clamped with the first connecting groove 411 on the first connecting block 41.
[0046] refer to Figure 5 and Figure 6The first connecting block 41 is provided with a second connecting groove connected to the first connecting groove 411, the first connecting block 41 is provided with a first threaded hole engaged with the second connecting groove, the first connecting block 41 is provided with a connecting assembly 44, the connecting assembly 44 includes a fourth connecting block 441 slidably connected in the second connecting groove, the third connecting block 43 is provided with a third connecting groove 431 engaged with the fourth connecting block 441; the fourth connecting block 441 is rotatably connected with a first screw rod 442, and one end of the first screw rod 442 away from the fourth connecting block 441 passes through the first threaded hole and is connected with the first thread.
[0047] refer to Figure 4 and Figure 5 A first limiting groove 412 is formed at one end of the first connecting block 41 close to the second connecting block 42, and a second limiting groove is formed at one end of the second connecting block 42 close to the first connecting block 41; a limiting block 45 is fixedly connected to the protective sleeve 1, one end of the limiting block 45 is clamped with the first limiting groove 412 on the first connecting block 41, and the other end of the limiting block 45 is clamped with the second limiting groove on the second connecting block 42; a connecting sleeve 46 is provided on the protective sleeve 1, and both the first connecting block 41 and the second connecting block 42 can resist the connecting sleeve 46.
[0048] First, one end of the limiting block 45 is clamped with the first limiting groove 412 of the first connecting block 41, and then the third connecting block 43 is clamped with the first connecting groove 411 on the first connecting block 41, and the second connecting block 42 is made to contact the first connecting block 41. At this time, the first connecting block 41 and the second connecting block 42 will both press against the protective sleeve 1, and the end of the limiting block 45 away from the first connecting block 41 is clamped with the second limiting groove on the second connecting block 42; and the side of the first connecting block 41 away from the stabilizing block 31 and the side of the second connecting block 42 away from the stabilizing block 61 both contact the connecting sleeve 46. Then, the first screw 442 is rotated, and the first screw 442 drives the fourth connecting block 441 to move in the direction close to the third connecting block 43, so that the fourth connecting block 441 is clamped with the third connecting groove 431 on the third connecting block 43, so as to fix the protective sleeve 1 on the first connecting block 41.
[0049] refer to Figure 4 and Figure 7The protective sleeve 1 is formed of a transparent material, and a scale line is provided on the protective sleeve 1. The insertion mechanism 2 includes a constant plate 21 slidably connected in the protective sleeve 1, and an insertion rod 22 is fixedly connected to one end of the constant plate 21 close to the stabilizing block 31, and a conical block 23 is fixed to one end of the insertion rod 22 away from the constant plate 21. A driving assembly 24 is provided on the protective sleeve 1, and the driving assembly 24 includes a fixed block 241 fixed in the protective sleeve 1, and a third threaded hole is provided on the fixed block 241; a third screw 242 is fixedly connected to one end of the constant plate 21 away from the insertion rod 22, and an end of the third screw 242 away from the constant plate 21 passes through the third threaded hole and is threadedly connected to the third threaded hole, and a driving wheel 243 is fixedly connected to one end of the third screw 242 away from the constant plate 21.
[0050] Rotate the driving wheel 243, and the driving wheel 243 drives the third screw 242 to rotate. Because the third screw 242 is threadedly connected to the third threaded hole on the fixed block 241, the third screw 242 will drive the constant plate 21 to move in the protective sleeve 1, and the third screw will also drive the constant plate 21 to rotate. The constant plate 21 that rotates and can be displaced relative to the protective sleeve 1 will drive the insertion rod 22 to rotate and be displaced relative to the protective sleeve 1, and the conical block 23 on the insertion rod 22 will enter the earth. The degree of the scale line position of the constant plate 21 on the protective sleeve 1 is the thickness of the earth.
[0051] The implementation principle of the earth thickness detection device of the embodiment of the present application is: the stabilizing block 31 is pressed against the earth, and the supporting piercing block 32 is extended into the earth; and then the protective cover 1 is installed on the first connecting block 41.
[0052] Then rotate the driving wheel 243, which drives the third screw 242 to rotate, and the third screw 242 will move the constant plate 21, so that the conical block 23 on the insertion rod 22 and the end of the insertion rod 22 away from the constant plate 21 both enter the earth. The degree of the scale line position of the constant plate 21 on the protective cover 1 is the thickness of the earth.
[0053] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A soil thickness detection device, comprising a protective sleeve (1) and an insertion mechanism (2), wherein the insertion mechanism (2) is arranged on the protective sleeve (1), and is characterized in that: It also comprises a stabilizing mechanism (3), the stabilizing mechanism (3) comprising a stabilizing block (31), a supporting piercing block (32), a supporting block (33) and a connecting mechanism (4), the supporting piercing block (32) being arranged on the stabilizing block (31), the stabilizing block (31) being in contact with earth; the supporting block (33) being arranged on the stabilizing block (31), and the protective sleeve (1) being connected to the supporting block (33) via the connecting mechanism (4).
2. The earthwork thickness detection device according to claim 1, characterized in that: The connecting mechanism (4) comprises a first connecting block (41), a second connecting block (42), a third connecting block (43) and a connecting assembly (44); the first connecting block (41) is arranged on the supporting block (33); a first connecting groove (411) is provided on the first connecting block (41); the second connecting block (42) is arranged on one side of the third connecting block (43); the third connecting block (43) is arranged on the second connecting block (42) and is engaged with the first connecting groove (411); the connecting assembly (44) is arranged on the first connecting block (41) and is connected to the third connecting block (43); the first connecting block (41) and the second connecting block (42) are both pressed against the protective sleeve (1).
3. The earthwork thickness detection device according to claim 2, characterized in that: The protective sleeve (1) is provided with a limiting block (45), the first connecting block (41) is provided with a first limiting groove (412), the second connecting block (42) is provided with a second limiting groove, the first limiting groove (412) is clamped with one end of the limiting block (45), and the second limiting groove is clamped with the other end of the limiting block (45); the protective sleeve (1) is provided with a connecting sleeve (46), the first connecting block (41) and the second connecting block (42) both abut against the connecting sleeve (46).
4. The earthwork thickness detection device according to claim 2, characterized in that: The connecting assembly (44) comprises a fourth connecting block (441) and a first screw rod (442); the first connecting block (41) is provided with a second connecting groove that slides with the fourth connecting block (441); the third connecting block (43) is provided with a third connecting groove (431) that is engaged with the fourth connecting block (441); the first connecting block (41) is provided with a first threaded hole that is connected with the second connecting groove; one end of the first screw rod (442) is rotatably arranged on the fourth connecting block (441) and the other end passes through the first threaded hole; the first screw rod (442) is threadedly connected to the first threaded hole.
5. The earthwork thickness detection device according to claim 1, characterized in that: The stabilizing block (31) is provided with a mounting mechanism (5) connected to the supporting puncture block (32); the mounting mechanism (5) comprises a mounting column (51) and a second screw rod (52); the mounting column (51) is provided on the supporting puncture block (32); the second screw rod (52) is provided on the mounting column (51); and the stabilizing block (31) is provided with a second threaded hole (311) threadedly connected to the second screw rod (52).
6. The earthwork thickness detection device according to claim 5, characterized in that: The stabilizing block (31) is provided with a stabilizing mechanism (6), the stabilizing mechanism (6) comprising a stabilizing block (61) and an adjusting component (62); the stabilizing block (61) is slidably arranged on the stabilizing block (31); the mounting column (51) is provided with a stabilizing groove that is engaged with the stabilizing block (61); the adjusting component (62) is arranged on the stabilizing block (31) and is connected to the stabilizing block (61).
7. The earthwork thickness detection device according to claim 6, characterized in that: The adjustment assembly (62) comprises an adjustment shaft (621), an adjustment gear (622) and an adjustment rack (623); the adjustment shaft (621) is rotatably arranged on the stabilizing block (31); the adjustment gear (622) is key-connected to the adjustment shaft (621); and the adjustment rack (623) is arranged on the stabilizing block (61) and meshes with the adjustment gear (622).
8. The earthwork thickness detection device according to claim 1, characterized in that: The support block (33) is provided with a fixing assembly (7) connected to the stabilizing block (31); the fixing assembly (7) comprises a fixing plate (71), a fixing bolt (72) and a clamping block (73); the fixing plate (71) abuts against the stabilizing block (31); the support block (33) is provided on the fixing plate (71); the fixing bolt (72) passes through the fixing plate (71) and is threadedly connected to the stabilizing block (31); the clamping block (73) is provided on the fixing plate (71); and a clamping groove for clamping with the clamping block (73) is provided on the stabilizing block (31).
9. The earthwork thickness detection device according to claim 1, characterized in that: The insertion mechanism (2) comprises a fixed number plate (21), an insertion rod (22), a conical block (23) and a driving assembly (24); the fixed number plate (21) is slidably arranged in the protective sleeve (1); the insertion rod (22) is arranged on the fixed number plate (21); the conical block (23) is arranged on the insertion rod (22); and the driving assembly (24) is arranged on the protective sleeve (1) and connected to the fixed number plate (21).
Citation Information
Patent Citations
Earthwork thickness detection equipment for water conservancy supervision
CN219736208U
Cited By
Recovered soil thickness measuring device
CN224034563U