Dam settlement detection device for hydraulic engineering

Abstract

The utility model discloses a dam settlement detection device for hydraulic engineering, which comprises a reference fixing unit, a settlement transmission mechanism, a displacement amplification mechanism, a mounting box and a dam, the reference fixing unit comprises a rigid base and a reference rod, the settlement transmission mechanism comprises a floating connecting rod and a differential lever group, the displacement amplification mechanism comprises a worm, a worm wheel and a self-locking device, and when the differential lever moves, the worm is driven to rotate. Detection precision is high and labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to dam settlement detection field, especially a dam settlement detection device for water conservancy project. BACKGROUND

[0002] Dam refers to the dam of the dam, reservoir, river and so on.

[0003] In order to ensure the stable operation and safety of dam, the settlement of dam is detected, so as to prevent the influence of dam settlement on dam.

[0004] At present, dam settlement monitoring relies on electronic sensors (such as optical fiber, GPS), which has the problems of high cost, easy to be affected by electromagnetic interference and humid environment, etc., and the existing mechanical detection method needs artificial to use level meter to measure the surface of dam, and the settlement data is obtained by calculation, which is too cumbersome and low in efficiency.

[0005] Therefore, in view of the above problems, the utility model provides a dam settlement detection device for water conservancy project to solve the above problems. SUMMARY

[0006] The utility model aims at solving one of the above technical problems at least to some extent.

[0007] In order to achieve the above purpose, the utility model provides a dam settlement detection device for water conservancy project, which comprises: a reference fixed unit, a settlement transmission mechanism, a displacement amplification mechanism, a mounting box and a dam, wherein: the reference fixed unit comprises: a rigid base and a reference rod, wherein: the rigid base is fixedly arranged on the top of the dam; the reference rod is a telescopic rod; the reference rod is vertically arranged on the top of the rigid base; the settlement transmission mechanism comprises: a floating connecting rod and a differential lever set, wherein: one end of the floating connecting rod is connected with the dam, and the other end is connected with the reference rod; the differential lever set is hingedly arranged in the middle of the floating connecting rod, and the moving end of the differential lever set is on one side of the displacement amplification mechanism; the moving end of the differential lever set is in the inside of the mounting box; the displacement amplification mechanism comprises: a worm, a turbine and a self-locking device, wherein: the worm is rotatably arranged on one side of the differential lever set, and a transmission gear is arranged on one end of the worm; the transmission gear is meshed with the moving end of the differential lever set; the turbine is arranged in the inside of the mounting box through turbine shaft shaft connection, and the turbine is meshed with the worm; a pointer is arranged on the top of the turbine shaft; the self-locking device is fixedly arranged on the other end of the worm; when the differential lever moves, the worm will be driven to rotate.

[0008] In addition, the dam settlement detection device for water conservancy projects has the following additional technical features.

[0009] Further, the rigid base is vertically anchored in the dam bedrock layer through foundation bolts, and the reference rod top is provided with a universal joint, and the floating connecting rod is connected with the reference rod through the universal joint.

[0010] Further, the floating connecting rod is connected with the dam through expansion screws, and the floating connecting rod and the reference rod are perpendicular to each other.

[0011] Further, the differential lever group comprises a short arm lever and a long arm lever, wherein the short arm lever is hingedly arranged on the floating connecting rod; the long arm lever is hingedly arranged on the mounting box, and one end of the long arm lever is directly below the short arm lever and the other end is in the mounting box; a strip-shaped tooth is arranged at the end of the long arm lever away from the short arm lever; the strip-shaped tooth is L-shaped and is in meshing with the transmission tooth.

[0012] Further, the transmission tooth shaft is connected and arranged on the side wall of the mounting box; the self-locking device comprises a ratchet wheel and a pawl, wherein the ratchet wheel is fixedly arranged on the end of the worm away from the transmission tooth; the pawl is arranged on the mounting box and is in meshing with the ratchet wheel.

[0013] Further, a support frame is arranged on one side of the mounting box, the support frame is on one side of the short arm lever, and the long arm lever is hingedly arranged on the support frame; a gap and an observation hole are respectively arranged on the mounting box, wherein the long arm lever passes through the gap and abuts against the strip-shaped tooth; the observation hole is directly above the turbine shaft, and the pointer is in the observation hole; a scale line is arranged on the mounting box on one side of the observation hole.

[0014] Further, a limiting groove is arranged on the strip-shaped tooth, and a limiting column is arranged in the limiting groove, and the limiting column is fixedly arranged on the side wall of the mounting box.

[0015] The dam settlement detection device for water conservancy projects can drive the floating connecting rod to move through the dam settlement, so as to amplify the force generated by the displacement through the displacement transmission mechanism and the displacement amplification mechanism, and finally express through the pointer, the dam settlement detection device for water conservancy projects has the advantages of simple structure, low cost, long time detection and no influence of external environment.

[0016] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0018] Fig. 1 is a structural schematic diagram of a dam settlement detection device for water conservancy projects according to an embodiment of the present utility model;

[0019] Fig. 2 is a top view structural schematic diagram of a dam settlement detection device for water conservancy projects according to an embodiment of the present utility model;

[0020] Fig. 3 is a schematic diagram of the internal structure of the installation box of a dam settlement detection device for water conservancy projects according to an embodiment of the present utility model.

[0021] As shown in the figure:

[0022] 1, reference unit; 11, rigid base; 12, reference rod; 2, settlement transmission mechanism; 21, floating connecting rod; 22, differential lever set; 221, short arm rod; 222, long arm rod; 3, displacement amplification mechanism; 31, worm; 311, transmission teeth; 32, turbine; 321, turbine shaft; 3211, pointer; 33, self-locking device; 331, ratchet wheel; 332, pawl; 4, installation box; 41, support frame; 5, dam; 6, bar tooth; 61, limiting groove; 62, limiting column; 7, give way to the mouth; 8, observation port. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and cannot be understood as a limitation of the present utility model.

[0024] The dam settlement detection device for water conservancy projects of the embodiments of the present utility model will be described below in conjunction with the drawings.

[0025] As Figs. 1 to 3 shown, the dam settlement detection device for water conservancy projects of the embodiments of the present utility model can include: reference fixing unit 1, settlement transmission mechanism 2, displacement amplification mechanism 3, installation box 4 and dam 5.

[0026] Specifically, the reference fixing unit 1 includes: rigid base 11 and reference rod 12.

[0027] It should be noted that the rigid base 11 is fixedly arranged at the top of the dam 5, and the reference rod 12 is vertically arranged at the top of the rigid base 11.

[0028] Further need to explain, rigid base 11 is anchored in dam 5 bedrock through the anchor bolt, the top of the reference bar 12 is provided with a universal joint, the floating link 21 is connected with the reference bar 12 through the universal joint.

[0029] It can be understood that the rigid base 11 can provide support force for its reference bar 12 and prevent it from moving, and the reference bar 12 provided thereon can provide support force for its floating link 21 and provide reference when the floating link 21 moves and tilts.

[0030] Specifically, the settlement transmission mechanism 2 comprises a floating link 21 and a differential lever set 22.

[0031] It should be noted that one end of the floating link 21 is connected with the dam 5, the other end is connected with the reference bar 12, the differential lever set 22 is hingedly arranged in the middle of the floating link 21, and the moving end of the differential lever set 22 is on one side of the displacement amplification mechanism 3, and the moving end of the differential lever set 22 is inside the installation box 4.

[0032] It can be understood that because the floating link 21 is connected with the dam 5, when the dam 5 at the connection place tilts, it will drive the floating link 21 to rotate along the reference bar 12 at the connection place, so that the floating link 21 drives the differential lever set 22 connected thereto to work.

[0033] Further need to explain, floating link 21 is connected with dam 5 through expansion screw, and floating link 21 and reference bar 12 are perpendicular to each other, differential lever set 22 comprises short arm lever 221 and long arm lever 222, wherein short arm lever 221 is hingedly arranged on floating link 21, long arm lever 222 is hingedly arranged on installation box 4, and one end of long arm lever 222 is below short arm lever 221 and the other end is inside installation box 4, one end of long arm lever 222 away from short arm lever 221 is provided with a strip-shaped tooth 6, the strip-shaped tooth 6 is L-shaped and meshes with the transmission tooth 311, a support frame 41 is arranged on one side of the installation box 4, the support frame 41 is on one side of the short arm lever 221, and the long arm lever 222 is hingedly arranged on the support frame 41.

[0034] It can be understood that when the floating link 21 tilts, it will drive the short arm lever 221 hingedly arranged thereon to move vertically, thereby pressing the long arm lever 222 to drive the strip-shaped tooth 6 to move, and because the support frame 41 is close to the short arm lever 221, according to the principle of lever, the force generated by the short arm lever 221 will be amplified, thereby increasing the moving distance of one end of the long arm lever 222 away from the short arm lever 221, so that the strip-shaped tooth 6 moves a longer distance.

[0035] Specifically, the displacement amplification mechanism 3 comprises a worm 31, a turbine 32 and a self-locking device 33.

[0036] It should be noted that the worm 31 is rotatably arranged on one side of the differential lever set 22, and a transmission tooth 311 is arranged on one end of the worm 31, the transmission tooth 311 is in mesh with the moving end of the differential lever set 22, the turbine 32 is arranged in the installation box 4 through a turbine shaft 321, and the turbine 32 is in mesh with the worm 31, the turbine shaft 321 is provided with a pointer 3211 at the top, and the self-locking device 33 is fixedly arranged on the other end of the worm 31. When the differential lever set 22 moves, the worm 31 is driven to rotate.

[0037] It can be understood that when the long arm lever 222 drives the strip-shaped tooth 6 to move, the strip-shaped tooth 6 drives the transmission tooth 311 in mesh with it to rotate, so that the worm 31 is driven to rotate together, and the pointer 3211 arranged on the turbine shaft 321 is driven to rotate together with the turbine 32, and the number of teeth of the transmission tooth 311 can be adjusted to amplify the force generated by the strip-shaped tooth 6 by one step.

[0038] It should be further noted that the transmission tooth 311 is rotatably arranged on the side wall of the installation box 4, and the self-locking device 33 comprises a ratchet wheel 331 and a pawl 332, wherein the ratchet wheel 331 is fixedly arranged on the end of the worm 31 away from the transmission tooth 311, and the pawl 332 is arranged on the installation box 4 and in mesh with the ratchet wheel 331.

[0039] It can be understood that the ratchet wheel 331 and the pawl 332 can prevent the worm 31 from reversing, thereby affecting the index of the pointer 3211.

[0040] Specifically, the installation box 4 is also provided with a clearance opening 7 and an observation opening 8.

[0041] It should be noted that the long arm lever 222 passes through the clearance opening 7 and abuts against the strip-shaped tooth 6, the observation opening 8 is directly above the turbine shaft 321, and the pointer 3211 is in the observation opening 8, and the installation box 4 on one side of the observation opening 8 is provided with a scale line.

[0042] It can be understood that the clearance opening 7 can provide space for the movement of the long arm lever 222, the observation opening 8 can facilitate the observation of the direction of the pointer 3211, and the scale line on one side can express the distance moved by the pointer 3211, so that the distance of the dam 5 settlement is calculated through the transmission ratio between the components.

[0043] Specifically, a limiting groove 61 is arranged on the strip-shaped tooth 6, a limiting column 62 is arranged in the limiting groove 61, and the limiting column 62 is fixedly arranged on the side wall of the installation box 4.

[0044] It can be understood that the limiting column 62 can prevent the strip-shaped teeth 6 from being separated from the mounting box 4, and the limiting groove 61 can prevent the strip-shaped teeth 6 from being deviated, so as to ensure the stability of the linear rising.

[0045] In conclusion, the dam settlement detection device for water conservancy projects can prevent the influence of electromagnetic and humid environment, has simple structure, low cost, high detection precision and reduced labor cost.

[0046] In the description of the present specification, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0047] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0048] Although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the present application.

Claims

1. A dam settlement detection device for hydraulic engineering, characterized by, The utility model relates to a dam displacement monitoring device, including: The reference fixed unit (1) includes: rigid base (11) and reference rod (12), wherein; The rigid base (11) is fixedly arranged on the top of the dam (5); The reference rod (12) is vertically arranged on the top of the rigid base (11); The settlement transmission mechanism (2) includes: floating connecting rod (21) and differential lever group (22), wherein; One end of the floating connecting rod (21) is connected with the dam (5), and the other end is connected with the reference rod (12); The differential lever group (22) is hingedly arranged in the middle of the floating connecting rod (21), and the moving end of the differential lever group (22) is located on one side of the displacement amplification mechanism (3); The moving end of the differential lever group (22) is located in the installation box (4); The displacement amplification mechanism (3) includes: worm (31), turbine (32) and self-locking device (33), wherein; The worm (31) is rotatably arranged on one side of the differential lever group (22), and a transmission tooth (311) is arranged on one end of the worm (31); The transmission tooth (311) is meshed with the moving end of the differential lever group (22); The turbine (32) is arranged in the installation box (4) through a turbine shaft (321), and the turbine (32) is meshed with the worm (31); A pointer (3211) is arranged on the top of the turbine shaft (321); The self-locking device (33) is fixedly arranged on the other end of the worm (31); When the differential lever group (22) moves, the worm (31) is driven to rotate. The rigid base (11) is vertically anchored in the bedrock layer of the dam (5) through foundation bolts, the top of the reference rod (12) is provided with a universal joint, and the floating connecting rod (21) is connected with the reference rod (12) through the universal joint.

2. The dam settlement detection device for hydraulic engineering according to claim 1, characterized in that, The floating connecting rod (21) is connected with the dam (5) through expansion screws, and the floating connecting rod (21) is perpendicular to the reference rod (12). 3.The dam settlement detection device for hydraulic engineering according to claim 1, characterized in that, The differential lever group (22) includes: short arm rod (221) and long arm rod (222), wherein, 4. The dam settlement detection device for hydraulic engineering according to claim 1, characterized in that, The short arm rod (221) is hingedly arranged on the floating connecting rod (21); The long arm rod (222) is hingedly arranged on the installation box (4), and one end of the long arm rod (222) is located directly below the short arm rod (221) and the other end is located in the installation box (4); A strip-shaped tooth (6) is arranged on the end of the long arm rod (222) away from the short arm rod (221); The strip-shaped tooth (6) is L-shaped and meshed with the transmission tooth (311). The transmission tooth (311) is arranged on the side wall of the installation box (4) through a shaft; 5. The dam settlement detection device for hydraulic engineering according to claim 1, characterized in that, The self-locking device (33) includes: ratchet wheel (331) and pawl (332), wherein; The ratchet wheel (331) is fixedly arranged on the end of the worm (31) away from the transmission tooth (311); ​ The pawl (332) is arranged on the mounting box (4) and is engaged with the ratchet wheel (331).

6. The dam settlement detection device for hydraulic engineering according to claim 4, characterized in that, The mounting box (4) is provided with a support frame (41) on one side, the support frame (41) is located on one side of the short arm rod (221), and the long arm rod (222) is hingedly arranged on the support frame (41); The mounting box (4) is also provided with a clearance opening (7) and an observation opening (8) respectively, wherein; The long arm rod (222) passes through the clearance opening (7) and abuts against the strip-shaped tooth (6); The observation opening (8) is located directly above the turbine shaft (321), and the pointer (3211) is located in the observation opening (8); The mounting box (4) on one side of the observation opening (8) is provided with a scale line.

7. The dam settlement detection device for hydraulic engineering according to claim 6, characterized in that, The strip-shaped tooth (6) is provided with a limiting groove (61), the limiting groove (61) is provided with a limiting column (62), and the limiting column (62) is fixedly arranged on the side wall of the mounting box (4).

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