Slope elevation measuring device for engineering surveying

Abstract

The invention relates to the technical field of engineering surveying, and discloses a slope elevation measuring device for engineering surveying, which comprises a base, a second range finder is fixed at the inner end of the other rotating shaft, a support sleeve is fixed on the inner end surface of the second range finder, a round rod is rotatably connected in the support sleeve, and the round rod is fixed on the base. Dials are fixed to the outer end face of the first range finder and the outer end face of the second range finder. According to the slope elevation measuring device for engineering surveying, after the first gear and the second gear are separated, the first distance measuring instrument and the second distance measuring instrument can be manually turned, so that the angles of the first distance measuring instrument and the second distance measuring instrument can be conveniently and roughly adjusted; the rotary drum and the first gear can be driven to rotate by rotating the rotary knob and the square rod, the first range finder and the second range finder can be driven to rotate by the corresponding second gear, the third gear, the fourth gear and the rotary shaft, the fine adjustment effect is conveniently achieved, and accurate positioning is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of engineering surveying, in particular to a slope elevation measuring device used for engineering surveying. Background Art

[0002] In civil engineering, water conservancy projects and various infrastructure construction, the measurement of slope elevation is an indispensable and important link. The accurate measurement of slope elevation plays a vital role in the design, construction and subsequent maintenance of the project. For example, in the construction of dams, the elevation of the dam top is directly related to the flood control capacity and stability of the dam. Therefore, it is particularly important to measure it accurately.

[0003] It is now found that a typical slope elevation measuring device in the prior art is disclosed in publication number CN117760381B, which is a slope elevation measuring device used for engineering surveying, comprising a shell, a measuring instrument installed on the top of the shell, a controller installed on the shell, a support block fixedly connected to the bottom of the shell, a base fixedly arranged at the bottom of the support block, a placement rack fixedly connected to the base, an automatic measuring device arranged on the support block, the automatic measuring device comprising a top plate and a moving wheel, a second motor drives the roller to rotate through the first rotating shaft, and slowly rolls down the slope, when the moving wheel rolls down the slope, it pulls the measuring rope wrapped around the winding coil, when the moving wheel moves to the bottom of the slope, the length of the measuring rope pulled out is the length of the slope, and the length of the slope is measured by this measuring method, and the above technical scheme solves the problems of low automation and low measurement accuracy in the prior art.

[0004] The existing slope elevation measurement device generally only uses the same rangefinder to measure the top and bottom of the building in turn. There are errors in the angle measurement. When aligning the top and bottom of the slope, the adjustment operation is not detailed and accurate enough, which will affect the accuracy of the final measurement. In view of the above problems, the existing equipment needs to be improved. Summary of the invention

[0005] The purpose of the present invention is to provide a slope elevation measuring device for engineering surveying, so as to solve the problem that the existing slope elevation measuring device proposed in the above background technology generally only uses the same rangefinder to measure the top and bottom of the slope of a building in succession, there is an error in the angle measurement, and when aligning the top and bottom of the slope, the adjustment operation is not detailed and accurate enough, which will affect the accuracy of the final measurement.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a slope elevation measuring device for engineering surveying, comprising a base, a bracket being fixed on the upper end surface of the base, an adjustment and positioning mechanism being fixed on the outer side of the bracket, the adjustment and positioning mechanism comprising a support cover, the support cover being symmetrically fixed on both sides of the bracket, a through hole being opened on the support cover, a knob passing through the through hole, a square rod being fixed on the inner end of the knob, a rotating cylinder being slidably connected to the outer side of the inner end of the square rod, a first gear being fixed to the inner end of the rotating cylinder, a second gear being meshedly connected to the bottom of the first gear, a third gear being fixed to the inner end surface of the second gear, a fourth gear being meshedly connected to the top of the third gear, a rotating shaft being fixed to the inner end surface of the fourth gear, and the rotating shaft being symmetrically rotatably connected to the two sides of the bracket.

[0007] A protection mechanism is fixed to the bottom of the bracket, and the protection mechanism is connected to the adjustment and positioning mechanism. Pointers are symmetrically fixed on both sides of the top of the bracket. A first rangefinder is fixed to the inner end of one of the rotating shafts, and a round rod is fixed to the inner end surface of the first rangefinder. A second rangefinder is fixed to the inner end of the other rotating shaft, and a supporting sleeve is fixed to the inner end surface of the second rangefinder. The round rod is rotatably connected in the supporting sleeve, and a dial is fixed to the outer end surface of the first rangefinder and the outer end surface of the second rangefinder.

[0008] Preferably, a first hydraulic channel is opened on the outer end surface of the knob, one end of the first hydraulic channel is slidably connected to a first piston, and the other end of the first hydraulic channel is slidably connected to a second piston.

[0009] By adopting the above technical solution, when the second piston is squeezed and moves, the first piston moves and emerges from the first hydraulic channel.

[0010] Preferably, a fixing channel is provided on the knob, and a pressing rod is slidably connected to the head end of the fixing channel, and a second rubber ring is fixed to the outer side of the pressing rod.

[0011] By adopting the above technical solution, when the pressing rod is pushed, the second rubber ring is pressed tightly against the inner wall of the fixed channel, so as to lock the pressing rod conveniently.

[0012] Preferably, abutments are symmetrically passed through both sides of the end of the fixed channel, and the abutments are wedge-shaped and fitted to the inner end of the pressing rod, a first rubber ring is fixed on the inner wall of the through hole, and the abutments are arranged perpendicular to the first rubber ring.

[0013] By adopting the above technical solution, when the pressing rod is pushed, the stop block is squeezed and moves and presses against the first rubber ring, so that the knob is locked conveniently.

[0014] Preferably, two limiting rings are fixed to the outer side of the rotating drum, a sleeve is rotatably connected to the outer side of the rotating drum, and the sleeve is located between the two limiting rings.

[0015] By adopting the above technical solution, two limiting rings can be used to limit the sleeve.

[0016] Preferably, a pushing and locking mechanism is fixed to the bottom of the sleeve, and the pushing and locking mechanism includes a connecting rod, a pushing block is fixed to the bottom of the connecting rod, and a second hydraulic channel is provided on the bottom of the connecting rod and the pushing block, the head end of the second hydraulic channel is slidably connected to a third piston, and a pressing block is fixed to one end of the third piston, the pressing block is connected to one side of the pushing block through a first compression spring, the end of the second hydraulic channel is slidably connected to a fourth piston, and a locking rod is fixed to the top of the fourth piston, a first slide is provided on the connecting rod, and the locking rod passes through the first slide.

[0017] By adopting the above technical solution, the locking rod can be used to lock the connecting rod. After unlocking the connecting rod, the push block, the connecting rod and the sleeve can be moved left and right as a whole, and the rotating drum and the first gear move accordingly.

[0018] Preferably, a slide rail is fixed on the inner wall of the support cover, the second gear is rotatably connected to the inner end of the slide rail, a second slide track is provided at the bottom of the bracket, the connecting rod passes through the slide rail and the second slide track, and grooves are symmetrically provided on the two inner walls of the second slide track, and the locking rod is snap-connected in one of the grooves.

[0019] By adopting the above technical solution, the connecting rod can be locked when the locking rod is stuck in the groove.

[0020] Preferably, an extrusion block is fixed on the outer side of the rotating shaft, and annular grooves are symmetrically opened in the two side walls of the bracket. The extrusion block is slidably connected in the annular groove. A first oil cylinder is fixed on the inner wall of the annular groove, and a fifth piston is slidably connected in the first oil cylinder. A movable block is fixed on the rear side of the fifth piston, and a connecting pipe is fixed on the top of the first oil cylinder.

[0021] By adopting the above technical solution, when the extrusion block rotates together with the rotating shaft and squeezes the movable block, the fifth piston moves.

[0022] Preferably, the protective mechanism includes a second oil cylinder, and the second oil cylinder is fixed at the bottom of the bracket, the second oil cylinder is connected to the end of the connecting pipe, a second compression spring is fixed to the inner top of the second oil cylinder, and a sixth piston is fixed to the bottom of the second compression spring, the sixth piston is slidably connected in the second oil cylinder, the sixth piston passes through the top of the second oil cylinder and is connected to the movable frame, and protective covers are symmetrically fixed on both sides of the top of the movable frame.

[0023] By adopting the above technical solution, when the fifth piston and the movable block are squeezed and moved, the sixth piston moves, and when the first rangefinder and the second rangefinder are stored, the two protective covers rise and cover the lens on the first rangefinder and the lens on the second rangefinder respectively, thereby facilitating the realization of the automatic protection effect.

[0024] Preferably, a slide groove is provided in the bottom of the bracket, and the movable frame is slidably connected in the slide groove.

[0025] By adopting the above technical solution, the slide groove can be used to limit the movable frame.

[0026] Compared with the prior art, the present invention has the following beneficial effects: 1. The slope elevation measuring device for engineering surveying can achieve the purpose of precise adjustment and positioning through the coordinated use of the knob, square rod, rotating cylinder, sleeve, connecting rod, push block, first gear, second gear, third gear, fourth gear, rotating shaft, first rangefinder and second rangefinder. After unlocking the connecting rod, the push block, connecting rod and sleeve can be pushed left or right as a whole, and the rotating cylinder and the first gear move left or right, so that the first gear and the second gear are meshed and connected together or separated. After the first gear and the second gear are separated, the first rangefinder and the second rangefinder can be manually turned to facilitate the coarse adjustment of the angles of the first rangefinder and the second rangefinder. After the first gear and the second gear are meshed and connected together, the rotating cylinder and the first gear can be driven to rotate by rotating the knob and the square rod. The first rangefinder and the second rangefinder can rotate under the driving action of the corresponding second gear, the third gear, the fourth gear and the rotating shaft, so as to facilitate the fine adjustment effect for precise positioning.

[0027] 2. The slope elevation measuring device for engineering surveying can achieve the purpose of conveniently calculating the slope elevation by using the pointer, the first rangefinder, the second rangefinder and the dial in coordination with each other. After the laser emitted by the first rangefinder and the laser emitted by the second rangefinder are respectively aimed at the top of the building slope and the bottom of the building slope, the angle between the first rangefinder and the second rangefinder can be calculated by observing the pointer and the dial. The elevation of the building slope can be calculated using the distance measured by the first rangefinder, the distance measured by the second rangefinder and the angle between the first rangefinder and the second rangefinder.

[0028] 3. The slope elevation measuring device for engineering surveying can achieve the purpose of storage and protection through the coordinated use of the rotating shaft, the extrusion block, the fifth piston, the movable block, the sixth piston, the mobile frame, the protective cover, the first rangefinder and the second rangefinder. After using the device, the first rangefinder and the second rangefinder need to be rotated to a vertical state and the lenses need to be facing downward for easy storage. The rotating shaft and the extrusion block rotate, the fifth piston and the movable block move under the extrusion of the extrusion block, the sixth piston, the mobile frame and the two protective covers move upward, and the two protective covers respectively cover the lenses on the first rangefinder and the second rangefinder, thereby achieving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them: Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention; Figure 2 It is a rear-view stereoscopic structural schematic diagram of the present invention; Figure 3 It is a front cross-sectional structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of the support, the adjustment and positioning mechanism and the pointer connection structure of the present invention; Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic diagram of the connection structure of the knob, the first piston, the pressing rod, the square rod, the rotating cylinder, the limiting ring, the sleeve, the pushing and locking mechanism, the first gear, the second gear, the third gear, the fourth gear, the rotating shaft and the connecting pipe of the present invention; Figure 7 It is a schematic diagram of the connection structure of the knob, the stopper, the square rod, the sleeve, the pushing and locking mechanism, the second gear, the third gear, the rotating shaft, the extrusion block, the first oil cylinder, the fifth piston, the movable block and the connecting pipe of the present invention; Figure 8 It is a schematic diagram of the structure of the pushing and locking mechanism of the present invention; Fig. 9 It is a schematic diagram of the connection structure of the rotating shaft, the extrusion block, the annular groove, the first oil cylinder, the fifth piston, the movable block and the connecting pipeline of the present invention.

[0030] Description of the drawings: 1. Base; 2. Bracket; 3. Adjustment and positioning mechanism; 301. Support cover; 302. Knob; 303. Through hole; 304. First rubber ring; 305. First hydraulic channel; 306. First piston; 307. Second piston; 308. Pressing rod; 309. Fixed channel; 310. Second rubber ring; 311. Block; 312. Square rod; 313. Drum; 314. Limiting ring; 315. Sleeve; 316. Pushing and locking mechanism; 3161. Connecting rod; 3162. Pushing block; 3163. Second hydraulic channel; 3164. Third piston; 3165. Pressing block; 3166. First compression spring; 3167. Fourth piston; 31 68. Lock rod; 3169. First slide; 317. Slide rail; 318. Second slide; 319. Groove; 320. First gear; 321. Second gear; 322. Third gear; 323. Fourth gear; 324. Rotating shaft; 325. Extrusion block; 326. Annular groove; 327. First oil cylinder; 328. Fifth piston; 329. Movable block; 330. Connecting pipe; 4. Protective mechanism; 401. Second oil cylinder; 402. Second compression spring; 403. Sixth piston; 404. Moving frame; 405. Slide; 406. Protective cover; 5. Pointer; 6. First rangefinder; 7. Round rod; 8. Second rangefinder; 9. Support sleeve; 10. Dial. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0034] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0035] See also Figures 1 to 9 The present invention provides a technical solution: a slope elevation measuring device for engineering surveying, comprising a base 1, a bracket 2 is fixed on the upper end surface of the base 1, an adjusting and positioning mechanism 3 is fixed on the outer side of the bracket 2, the adjusting and positioning mechanism 3 comprises a support cover 301, the support cover 301 is symmetrically fixed on both sides of the bracket 2, a through hole 303 is opened on the support cover 301, a knob 302 runs through the through hole 303, a square rod 312 is fixed on the inner end of the knob 302, a rotating cylinder 313 is slidably connected to the outer side of the inner end of the square rod 312, a first gear 320 is fixed to the inner end of the rotating cylinder 313, a second gear 321 is meshedly connected to the bottom of the first gear 320, a third gear 322 is fixed to the inner end surface of the second gear 321, a fourth gear 323 is meshedly connected to the top of the third gear 322, a rotating shaft 324 is fixed to the inner end surface of the fourth gear 323, and the rotating shaft 324 is symmetrically rotatably connected to the two sides of the bracket 2.

[0036] A protective mechanism 4 is fixed to the bottom of the bracket 2, and the protective mechanism 4 is connected to the adjustment and positioning mechanism 3. Pointers 5 are symmetrically fixed on both sides of the top of the bracket 2. A first rangefinder 6 is fixed to the inner end of one rotating shaft 324, and a round rod 7 is fixed to the inner end surface of the first rangefinder 6. A second rangefinder 8 is fixed to the inner end of the other rotating shaft 324, and a supporting sleeve 9 is fixed to the inner end surface of the second rangefinder 8. The round rod 7 is rotatably connected in the supporting sleeve 9. When the first rangefinder 6 and the second rangefinder 8 rotate relative to each other, the round rod 7 rotates in the supporting sleeve 9, and the supporting sleeve 9 supports the round rod 7. The outer end surfaces of the first rangefinder 6 and the second rangefinder 8 are both fixed with dials 10.

[0037] In this embodiment, Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a first hydraulic channel 305 is provided on the outer end surface of the knob 302, one end of the first hydraulic channel 305 is slidably connected to a first piston 306, and the other end of the first hydraulic channel 305 is slidably connected to a second piston 307. Hydraulic oil is stored in the first hydraulic channel 305. When the second piston 307 is squeezed and moves, the first piston 306 moves under the action of the oil pressure and emerges from the first hydraulic channel 305.

[0038] In this embodiment, Figure 3 , Figure 4 and Figure 5 As shown, a fixed channel 309 is opened on the knob 302, and the head end of the fixed channel 309 is slidably connected with a pressing rod 308, and a second rubber ring 310 is fixed to the outer side of the pressing rod 308. When the pressing rod 308 is pressed by hand, the second rubber ring 310 will press against the inner wall of the fixed channel 309 to achieve a locking effect. When the first piston 306 is pushed by hand, the second piston 307 moves and pushes open the pressing rod 308.

[0039] In this embodiment, Figure 3 , Figure 4 and Figure 5 As shown, the two sides of the end of the fixed channel 309 are symmetrically penetrated by a stop block 311, and the stop block 311 is wedge-shaped and connected to the inner end of the pressing rod 308. A first rubber ring 304 is fixed on the inner wall of the through hole 303. The stop block 311 is vertically arranged with the first rubber ring 304. When the pressing rod 308 is pressed by hand, the stop block 311 moves under the squeezing action of the pressing rod 308 and presses against the first rubber ring 304, so as to lock the knob 302 conveniently.

[0040] In this embodiment, Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, two limit rings 314 are fixed to the outer side of the rotating drum 313, and a sleeve 315 is rotatably connected to the outer side of the rotating drum 313, and the sleeve 315 is located between the two limit rings 314. The square rod 312 and the rotating drum 313 are connected together in a square shape. When the knob 302 is rotated, the square rod 312 rotates accordingly, thereby driving the rotating drum 313 to rotate. The two limit rings 314 limit the sleeve 315, and when the sleeve 315 moves left and right, it will drive the rotating drum 313 to move left and right.

[0041] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, a pushing and locking mechanism 316 is fixed to the bottom of the sleeve 315, and the pushing and locking mechanism 316 includes a connecting rod 3161, a pushing block 3162 is fixed to the bottom of the connecting rod 3161, and a second hydraulic channel 3163 is opened on the bottom of the connecting rod 3161 and the pushing block 3162, the head end of the second hydraulic channel 3163 is slidably connected with a third piston 3164, and a pressing block 3165 is fixed to one end of the third piston 3164, and the pressing block 3165 is connected to one side of the pushing block 3162 through a first compression spring 3166, the end of the second hydraulic channel 3163 is slidably connected with a fourth piston 3167, and a locking rod 3168 is fixed to the top of the fourth piston 3167, a first slide 3169 is opened on the connecting rod 3161, and the locking rod 3168 runs through the first slide 3169, When the pressing block 3165 and the pushing block 3162 are manually pinched, the third piston 3164 moves, hydraulic oil is stored in the second hydraulic channel 3163, and the fourth piston 3167 moves upward under the action of the oil pressure, thereby driving the locking rod 3168 to move upward, which is convenient for unlocking the connecting rod 3161. After that, the pushing block 3162, the connecting rod 3161 and the sleeve 315 can be moved left or right as a whole, thereby driving the rotating drum 313 and the first gear 320 to move left or right as a whole, which is convenient for meshing and connecting the first gear 320 with the second gear 321 or separating them. After releasing the pressing block 3165, the pressing block 3165 and the third piston 3164 will automatically pop open under the action of the first compression spring 3166, and the fourth piston 3167 and the locking rod 3168 will move downward, which is convenient for re-locking the connecting rod 3161.

[0042] In this embodiment, Figure 3 and Figure 4 As shown, a slide rail 317 is fixed on the inner wall of the support cover 301, and the second gear 321 is rotatably connected to the inner end of the slide rail 317. A second slide rail 318 is provided at the bottom of the bracket 2. The connecting rod 3161 passes through the slide rail 317 and the second slide rail 318, and grooves 319 are symmetrically provided on the two inner walls of the second slide rail 318. The locking rod 3168 is engaged and connected in one of the grooves 319. The slide rail 317 supports the second gear 321, and the slide rail 317 and the second slide rail 318 limit the connection rod 3161 when it moves left and right. When the locking rod 3168 is stuck in any groove 319, the connecting rod 3161 can be locked.

[0043] In this embodiment, Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 and Fig. 9As shown, an extrusion block 325 is fixed to the outer side of the rotating shaft 324, and annular grooves 326 are symmetrically opened in the two side walls of the bracket 2. The extrusion block 325 is slidably connected in the annular groove 326. A first oil cylinder 327 is fixed on the inner wall of the annular groove 326, and a fifth piston 328 is slidably connected in the first oil cylinder 327. A movable block 329 is fixed to the rear side of the fifth piston 328. A connecting pipe 330 is fixed to the top of the first oil cylinder 327. When the first gear 320 is meshed and connected with the second gear 321, the first gear 320 rotates to drive the second gear 321 to rotate, thereby driving the third gear 322 to rotate, thereby driving the fourth gear 323 to rotate, and the rotating shaft 324 rotates accordingly, which is convenient for fine adjustment of the angles of the first rangefinder 6 and the second rangefinder 8. When the first rangefinder 6 and the second rangefinder 8 are stored, the extrusion block 325 slides in the annular groove 326, and the extrusion block 325 squeezes the movable block 329, and the movable block 329 and the fifth piston 328 move as a whole.

[0044] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the protection mechanism 4 includes a second oil cylinder 401, and the second oil cylinder 401 is fixed to the bottom of the bracket 2, the second oil cylinder 401 is connected to the end of the connecting pipe 330, a second compression spring 402 is fixed to the inner top of the second oil cylinder 401, and a sixth piston 403 is fixed to the bottom of the second compression spring 402, the sixth piston 403 is slidably connected in the second oil cylinder 401, the sixth piston 403 passes through the top of the second oil cylinder 401 and is connected to the moving frame 404, and the two sides of the top of the moving frame 404 are opposite to each other. A protective cover 406 is fixed thereon, and the connecting pipe 330 serves to connect the first oil cylinder 327 and the second oil cylinder 401. Hydraulic oil is stored in the first oil cylinder 327. When the movable block 329 and the fifth piston 328 are squeezed and moved, the sixth piston 403 moves under the action of the oil pressure. When the lens on the first rangefinder 6 and the lens on the second rangefinder 8 are completely facing downward, the movable frame 404 and the two protective covers 406 are completely raised, and the two protective covers 406 are respectively covered on the two lenses to facilitate the protection.

[0045] In this embodiment, Figure 3 As shown, a slide groove 405 is provided in the bottom of the bracket 2, and the moving frame 404 is slidably connected in the slide groove 405. The slide groove 405 plays a role of limiting when the moving frame 404 slides up and down.

[0046] The use method and advantages of the present invention: The slope elevation measuring device used for engineering surveying has the following working process: like Figures 1 to 9As shown: first, the device is installed at the desired location, and the push block 3162 and the pressing block 3165 are pinched, the third piston 3164 moves, and the fourth piston 3167 and the locking rod 3168 move upward as a whole, thereby unlocking the connecting rod 3161. Then, the push block 3162, the connecting rod 3161 and the sleeve 315 are manually pushed outward as a whole, the rotating cylinder 313 and the first gear 320 move, and the first gear 320 leaves the second gear 321. The pressing block 3165 is released, and the pressing block 3165 automatically pops open, and the third piston 3164, the fourth piston 3167 and the locking rod 3168 are all reset, and the locking rod 3168 is stuck in the corresponding groove 319. The connecting rod 3161 is locked again, and the first rangefinder 6 and the second rangefinder 8 are manually turned to roughly adjust the angles of the first rangefinder 6 and the second rangefinder 8. Then, the connecting rod 3161 is unlocked, and the push block 3162, the connecting rod 3161 and the sleeve 315 are pushed inward, the rotating cylinder 313 and the first gear 320 move, and the first gear 320 is meshed and connected with the second gear 321. After the pressing block 3165 is released to lock the connecting rod 3161, the knob 302 and the square rod 312 are manually rotated, the rotating cylinder 313 and the first gear 320 rotate, and the second gear 321 and the third gear 322 rotate, thereby driving the fourth gear 323 Rotate, the first rangefinder 6 and the second rangefinder 8 rotate together with the corresponding rotating shaft 324, respectively, to facilitate fine adjustment of the angles of the first rangefinder 6 and the second rangefinder 8, aim the laser emitted by the first rangefinder 6 at the top of the building slope, aim the laser emitted by the second rangefinder 8 at the bottom of the building slope, and calculate the angle between the two lasers by observing the pointer 5 and the dial 10. The elevation of the building slope can be calculated using the distance measured by the first rangefinder 6, the distance measured by the second rangefinder 8, and the angle between the two lasers. Finally, push the pressing rod 308, the pressing rod 308 squeezes the stop block 311, and the stop block 311 is pressed tightly against the first rubber ring 304. The knob 302 is thereby locked, and the second rubber ring 310 is pressed against the inner wall of the fixed channel 309, thereby locking the pressing rod 308. After using the device, the first rangefinder 6 and the second rangefinder 8 need to be stored, and the first rangefinder 6 and the second rangefinder 8 are turned to a vertical state with the lenses facing downward, and the squeezing block 325 rotates together with the rotating shaft 324, and the squeezing block 325 squeezes the movable block 329 and the fifth piston 328, and the sixth piston 403, the moving frame 404 and the two protective covers 406 are raised as a whole, and the two protective covers 406 respectively cover the lenses of the first rangefinder 6 and the second rangefinder 8, so as to achieve a protective effect.

[0047] In summary, the slope elevation measuring device used for engineering surveying achieves the purpose of precise adjustment and positioning, convenient calculation of slope elevation and storage and protection, and meets people's usage needs.

[0048] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

[0049] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A slope elevation measuring device for engineering surveying, comprising a base (1), characterized in that: A bracket (2) is fixed to the upper end surface of the base (1), an adjustment and positioning mechanism (3) is fixed to the outer side of the bracket (2), the adjustment and positioning mechanism (3) comprises a support cover (301), the support cover (301) is symmetrically fixed to the two sides of the bracket (2), a through hole (303) is opened on the support cover (301), a knob (302) passes through the through hole (303), a square rod (312) is fixed to the inner end of the knob (302), and the outer side of the inner end of the square rod (312) is slidably connected to the outer side of the inner end of the square rod (312). A rotating drum (313) is connected, a first gear (320) is fixed to the inner end of the rotating drum (313), a second gear (321) is meshedly connected to the bottom of the first gear (320), a third gear (322) is fixed to the inner end surface of the second gear (321), a fourth gear (323) is meshedly connected to the top of the third gear (322), a rotating shaft (324) is fixed to the inner end surface of the fourth gear (323), and the rotating shaft (324) is symmetrically rotatably connected to the two sides of the bracket (2); A protection mechanism (4) is fixed to the bottom of the bracket (2), the protection mechanism (4) being connected to the adjustment and positioning mechanism (3), pointers (5) are symmetrically fixed to the two sides of the top of the bracket (2), a first distance meter (6) is fixed to the inner end of one of the rotating shafts (324), a round rod (7) is fixed to the inner end surface of the first distance meter (6), a second distance meter (8) is fixed to the inner end of the other rotating shaft (324), a support sleeve (9) is fixed to the inner end surface of the second distance meter (8), the round rod (7) is rotatably connected in the support sleeve (9), and a scale plate (10) is fixed to the outer end surface of the first distance meter (6) and the outer end surface of the second distance meter (8).

2. The slope elevation measuring device for engineering surveying according to claim 1, characterized in that: The outer end surface of the knob (302) is provided with a first hydraulic channel (305), one end of the first hydraulic channel (305) is slidably connected to a first piston (306), and the other end of the first hydraulic channel (305) is slidably connected to a second piston (307).

3. The slope elevation measuring device for engineering surveying according to claim 1, characterized in that: The knob (302) is provided with a fixed channel (309), and the head end of the fixed channel (309) is slidably connected to a pressing rod (308), and a second rubber ring (310) is fixed to the outer side of the pressing rod (308).

4. The slope elevation measuring device for engineering surveying according to claim 3 is characterized in that: A stopper (311) is symmetrically provided on both sides of the end of the fixed channel (309), and the stopper (311) is wedge-shaped and fitted to the inner end of the pressing rod (308). A first rubber ring (304) is fixed on the inner wall of the through hole (303), and the stopper (311) is vertically arranged to the first rubber ring (304).

5. The slope elevation measuring device for engineering surveying according to claim 1, characterized in that: Two limiting rings (314) are fixed on the outer side of the rotating cylinder (313), and a sleeve (315) is rotatably connected to the outer side of the rotating cylinder (313), and the sleeve (315) is located between the two limiting rings (314).

6. The slope elevation measuring device for engineering surveying according to claim 5, characterized in that: A pushing and locking mechanism (316) is fixed at the bottom of the sleeve (315), and the pushing and locking mechanism (316) comprises a connecting rod (3161), a pushing block (3162) is fixed at the bottom of the connecting rod (3161), and a second hydraulic channel (3163) is provided at the bottom of the connecting rod (3161) and the pushing block (3162), and a third piston (3164) is slidably connected to the head end of the second hydraulic channel (3163), and the third piston (3164) is A pressing block (3165) is fixed at one end, and the pressing block (3165) is connected to one side of the push block (3162) through a first compression spring (3166). The end of the second hydraulic channel (3163) is slidably connected to a fourth piston (3167), and a locking rod (3168) is fixed to the top of the fourth piston (3167). A first slideway (3169) is provided on the connecting rod (3161), and the locking rod (3168) passes through the first slideway (3169).

7. The slope elevation measuring device for engineering surveying according to claim 6, characterized in that: A slide rail (317) is fixed on the inner wall of the support cover (301), the second gear (321) is rotatably connected to the inner end of the slide rail (317), a second slide track (318) is provided at the bottom of the bracket (2), the connecting rod (3161) passes through the slide rail (317) and the second slide track (318), and grooves (319) are symmetrically provided on the two inner walls of the second slide track (318), and the locking rod (3168) is snap-fitted and connected in one of the grooves (319).

8. The slope elevation measuring device for engineering surveying according to claim 1, characterized in that: An extrusion block (325) is fixed on the outer side of the rotating shaft (324), annular grooves (326) are symmetrically provided in the two side walls of the bracket (2), the extrusion block (325) is slidably connected in the annular groove (326), a first oil cylinder (327) is fixed on the inner wall of the annular groove (326), and a fifth piston (328) is slidably connected in the first oil cylinder (327), a movable block (329) is fixed on the rear side of the fifth piston (328), and a connecting pipe (330) is fixed on the top of the first oil cylinder (327).

9. The slope elevation measuring device for engineering surveying according to claim 1, characterized in that: The protective mechanism (4) comprises a second oil cylinder (401), and the second oil cylinder (401) is fixed at the bottom of the bracket (2), the second oil cylinder (401) is connected to the end of the connecting pipe (330), a second compression spring (402) is fixed to the inner top of the second oil cylinder (401), and a sixth piston (403) is fixed to the bottom of the second compression spring (402), the sixth piston (403) is slidably connected in the second oil cylinder (401), the sixth piston (403) passes through the top of the second oil cylinder (401) and is connected to the moving frame (404), and protective covers (406) are symmetrically fixed on both sides of the top of the moving frame (404).

10. A slope elevation measuring device for engineering surveying according to claim 9, characterized in that: A sliding groove (405) is provided in the bottom of the bracket (2), and the movable frame (404) is slidably connected in the sliding groove (405).

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