Measuring device for engineering

Abstract

The utility model discloses a measuring device for engineering. The measuring device comprises a base, a drilling mechanism, a first locking screw, a fixing rod, a stud, a connecting arm, a measuring mechanism, a connecting clamping groove and the like. The device is reasonable and simple in structure, low in production cost and convenient to install, and the drilling mechanism is started, so that the base can be firmly fixed on the side slope surface, and the stability and the reliability during detection are ensured; the interior of the movable seat is movably connected to the exterior of the upper side of the connecting rod, and the connecting arm on one side rotates to face the right lower side of the side slope under the action of gravity, so that the measuring mechanism can be adaptively located at the side slope measuring position, and the measuring accuracy of the measuring mechanism is improved; according to the utility model, the cone is arranged, the movable plate can be driven to face the ground through the lifting rope and the polished rod, and meanwhile, the included angle data between the side slope of the measurement position and the ground can be obtained by observing the position of the scale line through the magnifying lens, so that the convenience during detection is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering equipment, in particular to an engineering measuring device. Background Art

[0002] Engineering construction is a fundamental economic activity for the development of human civilization, and has a direct and important impact on the political, economic, cultural, and military activities of human society.

[0003] In engineering construction, it is inevitable to set up slopes, and the slopes need to be measured for angles. However, the existing engineering slope inclination measuring devices need to be directed toward the upper side of the slope during measurement, otherwise the measurement accuracy will be affected. Utility Model Content

[0004] The purpose of the utility model is to provide an engineering measurement device in order to solve the above problem, which solves the problem that the existing engineering measurement device needs to face the upper side of the slope during measurement, otherwise it will affect the measurement accuracy.

[0005] In order to solve the above problems, the utility model provides a technical solution: an engineering measuring device, the innovation of which is that it includes a base, a drilling mechanism, a locking screw 1, a fixing rod, a stud, a positioning hole, a positioning cylinder, a connecting rod, a movable seat, a fixing cover, a locking screw 2, a connecting arm, a measuring mechanism and a connecting slot; the lower outer side of the fixing rod is fixedly connected to the center hole on the upper side of the base by a locking screw 1; the drilling mechanism is arranged inside the base; the positioning hole is arranged inside the central part of the upper side of the fixing rod; a positioning cylinder is arranged outside the lower side of the connecting rod, and the positioning cylinder is connected to the positioning hole, a stud is fixedly connected to the center of the lower end of the connecting rod, and the stud is connected to the threaded hole arranged on the lower side of the positioning hole; the fixing cover is fixedly connected to the top of the connecting rod; the movable seat is movably connected to the upper outer side of the connecting rod, and a downwardly inclined connecting slot is opened on the lower right side of the movable seat; a locking screw 2 is movably connected in the threaded hole arranged on the upper side of the connecting slot; the left side of the connecting arm is fixedly connected to the inside of the connecting slot by a locking screw 2, and a measuring mechanism is arranged at the right end of the connecting arm.

[0006] Preferably, the specific structure of the drilling mechanism includes a drill bit, a spline shaft, a driven gear, a driving gear, a motor, a connecting disk, a slot block, a fixed block, a long slot, a spring and a connecting hole; the connecting hole is arranged in the central interior of the lower side of the base, and a vertical long slot is opened on the upper left side of the connecting hole; the spline shaft is movably connected to the center of the connecting hole, the top of the spline shaft is fixedly connected to the connecting disk, and the lower end of the spline shaft is fixedly connected to the drill bit; the driven gear is movably connected to the lower side of the connecting hole, and the spline hole arranged in the center of the driven gear is connected to the spline shaft; the right side of the slot block is movably connected to the left side of the connecting disk, and the left end of the slot block is fixedly connected to the fixed block; a spring is arranged between the lower side of the connecting disk and the upper side of the driven gear; the motor is fixedly connected to the upper right side of the base, and the driving gear is fixedly connected to the output shaft on the lower side of the motor, and the driving gear is connected to the driven gear.

[0007] Preferably, the motor 1 is a reduction motor.

[0008] Preferably, the specific structure of the drilling mechanism includes drill bit 2, spline shaft 2, driven gear 2, spring 2, connecting plate, motor 2, driving gear 2, large gear, small gear, connecting shaft, connecting gear and connecting hole 2; there are three connecting holes 2, and the three connecting holes 2 are respectively opened inside the four sides of the base, and the centers of the three connecting holes 2 are movably connected to the driven gear 2; there are three spline shafts 2, and the three spline shafts 2 are respectively movably connected inside the corresponding connecting holes 2, and the three spline shafts 2 are respectively connected to the spline holes set in the centers of the corresponding driven gears 2, and the lower ends of the three spline shafts 2 are fixedly connected to the drill bits 2, and the upper outer parts of the three spline shafts 2 are The two connecting shafts are movably connected inside the surroundings of the connecting plate, and a spring 2 is provided between the upper side of the driven gear 2 and the lower side of the connecting plate; the motor 2 is fixedly connected to the central part of the upper side of the base, and the driving gear 2 is fixedly connected to the output shaft on the lower side of the motor 2; there are three connecting shafts, and the three connecting shafts are movably connected inside the surroundings of the central part of the base, and the outsides of the three connecting shafts are fixedly connected with small gears and large gears, and the large gears are all connected to the driving gear 2; there are three connecting gears, and the three connecting gears are movably connected inside the surroundings of the base, and the three connecting gears are respectively connected to the corresponding small gears, and the three connecting gears are also respectively connected to the corresponding driven gear 2.

[0009] Preferably, the second motor is a reduction motor.

[0010] Preferably, the specific structure of the measuring mechanism includes a fixed shaft, a bearing, a movable plate, a window, a magnifying glass, a pointer, a nut, a bare rod, a sling, a cone, an elastic sleeve, a conical hole block, a fixed disk and scale lines; the fixed disk is fixedly connected to the right front side of the connecting arm, and scale lines are provided in front of the fixed disk; the center of the fixed shaft is located at the center of the fixed disk, and the fixed shaft is fixedly connected to the right front side of the connecting arm; the upper interior of the movable plate is movably connected to the outside of the fixed shaft, a bearing is provided between the upper interior of the movable plate and the outside of the fixed shaft, a window is provided on the lower side of the movable plate, and a magnifying glass is fixedly connected to the upper side of the window; the pointer is fixedly connected to the center of the lower side of the window; the top of the conical hole block is fixedly connected to the center of the bottom of the movable plate; the upper exterior of the bare rod is fixedly connected to the central interior of the lower side of the conical hole block through a nut and an elastic sleeve, and the lower central interior of the bare rod is fixedly connected to the upper exterior of the sling rope; the lower end of the sling rope is fixedly connected to a cone.

[0011] Preferably, the exterior of the nut is provided with anti-slip grooves.

[0012] Preferably, an annular groove is provided on the bottom surface of the base.

[0013] Preferably, an anti-slip layer is provided on the outer surface of the connecting rod.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model has a reasonable and simple structure, low production cost and convenient installation. The drilling and tightening mechanism is activated here so that the base can be firmly fixed on the slope surface, thus ensuring the stability and reliability during detection.

[0016] (2) The movable seat of the utility model is movably connected to the outside of the upper side of the connecting rod. At the same time, under the action of gravity, the connecting arm on one side will rotate toward the lower side of the slope, thereby ensuring that the measuring mechanism can adaptively locate at the measuring position of the slope, thereby improving the measurement accuracy of the measuring mechanism.

[0017] (3) The cone provided in the utility model can drive the movable plate toward the ground through the suspension rope and the light rod. At the same time, the angle data between the slope and the ground at the measuring position can be obtained by observing the position of the scale line through a magnifying glass, thereby improving the convenience of detection.

[0018] (4) The locking screws 1 and 2 provided in the present invention facilitate the disassembly of the device into several parts, which also facilitates the packaging and collection of the several parts, thereby improving the convenience of carrying.

[0019] (5) The drill tightening mechanism of the utility model has two structures, so that it can be used according to the flatness of the slope surface. When drill bit 1 is located in the center of the base, it is convenient to use on the slope surface with better flatness, while when drill bit 2 is located around the base, it is convenient to use on the slope surface with poorer flatness. In this way, it can ensure that the bottom surface of the base is in reliable contact with the slope surface, thereby ensuring the accuracy of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 for Figure 1 sectional view of .

[0022] Figure 3 This is a first schematic diagram of the drilling and tightening mechanism.

[0023] Figure 4 This is a second schematic diagram of the drilling and tightening mechanism.

[0024] Figure 5 Schematic diagram of the measurement mechanism.

[0025] Figure 6 for Figure 5 Enlarged view of position A in the middle.

[0026] 1-base; 2-drilling mechanism; 3-locking screw 1; 4-fixing rod; 5-stud; 6-positioning hole; 7-positioning cylinder; 8-connecting rod; 9-movable seat; 10-fixing cover; 11-locking screw 2; 12-connecting arm; 13-measuring mechanism; 14-connecting slot; 211-drill bit 1; 212-spline shaft 1; 213-driven gear 1; 214-driving gear 1; 215-motor 1; 216-connecting plate; 217-slot block; 218-fixing block; 219-long slot; 2110-spring 1; 2111-connecting hole 1; 221-drill bit 2; 222-spline shaft Key shaft 2; 223-driven gear 2; 224-spring 2; 225-connecting plate; 226-motor 2; 227-driving gear 2; 228-large gear; 229-small gear; 2210-connecting shaft; 2211-connecting gear; 2212-connecting hole 2; 131-fixed shaft; 132-bearing; 133-movable plate; 134-window; 135-magnifying glass; 136-pointer; 137-nut; 138-light rod; 139-sling rope; 1310-cone; 1311-elastic ferrule; 1312-conical hole block; 1313-fixed disk; 1314-scale line. DETAILED DESCRIPTION

[0027] like Figure 1 and Figure 2As shown, this specific embodiment adopts the following technical scheme: an engineering measurement device, including a base 1, a drilling mechanism 2, a locking screw 3, a fixing rod 4, a stud 5, a positioning hole 6, a positioning cylinder 7, a connecting rod 8, a movable seat 9, a fixing cover 10, a locking screw 11, a connecting arm 12, a measurement mechanism 13 and a connecting slot 14; the lower outer side of the fixing rod 4 is fixedly connected to the upper center hole of the base 1 by a locking screw 3; the drilling mechanism 2 is arranged inside the base 1; the positioning hole 6 is arranged inside the upper center of the fixing rod 4; the lower outer side of the connecting rod 8 is provided with a positioning cylinder 7, and the positioning The cylindrical surface 7 is connected to the positioning hole 6, and a stud 5 is fixedly connected to the center of the lower end of the connecting rod 8, and the stud 5 is connected to the threaded hole set on the lower side of the positioning hole 6; the fixed cover 10 is fixedly connected to the top of the connecting rod 8; the movable seat 9 is movably connected to the outside of the upper side of the connecting rod 8, and a downwardly inclined connecting slot 14 is opened on the lower right side of the movable seat 9; a locking screw 2 11 is movably connected in the threaded hole set on the upper side of the connecting slot 14; the left side of the connecting arm 12 is fixedly connected to the inside of the connecting slot 14 by the locking screw 2 11, and a measuring mechanism 13 is provided at the right end of the connecting arm 12.

[0028] like Figure 3 As shown, the specific structure of the drilling mechanism 2 includes a drill bit 211, a spline shaft 212, a driven gear 213, a driving gear 214, a motor 215, a connecting plate 216, a slot block 217, a fixing block 218, a long slot 219, a spring 2110 and a connecting hole 2111; the connecting hole 2111 is arranged in the central interior of the lower side of the base 1, and a vertical long slot 219 is opened on the upper left side of the connecting hole 2111; the spline shaft 212 is movably connected to the center of the connecting hole 2111, the top of the spline shaft 212 is fixedly connected to the connecting plate 216, and the lower end of the spline shaft 212 is fixedly connected to the drill bit 2 11; the driven gear 213 is movably connected to the lower inner side of the connecting hole 2111, and the spline hole arranged in the center of the driven gear 213 is connected to the spline shaft 212; the right inner side of the slot block 217 is movably connected to the left outer side of the connecting disk 216, and the left end of the slot block 217 is fixedly connected to a fixed block 218; a spring 2110 is arranged between the lower side of the connecting disk 216 and the upper side of the driven gear 213; the motor 215 is fixedly connected to the upper right side of the base 1, and a driving gear 214 is fixedly connected to the output shaft at the lower side of the motor 215, and the driving gear 214 is connected to the driven gear 213.

[0029] Wherein, the motor 1 215 is a reduction motor.

[0030] like Figure 4As shown, the specific structure of the drilling mechanism 2 includes a drill bit 221, a spline shaft 222, a driven gear 223, a spring 224, a connecting plate 225, a motor 226, a driving gear 227, a large gear 228, a small gear 229, a connecting shaft 2210, a connecting gear 2211 and a connecting hole 2212; there are three connecting holes 2212, and the three connecting holes 2212 are respectively arranged inside the four sides of the base 1, and the centers of the three connecting holes 2212 are movably connected to the driven gear 223; there are three spline shafts 222, and the three spline shafts 222 are respectively movably connected to the corresponding connecting holes 2212, and the three spline shafts 222 are respectively connected to the spline holes arranged in the centers of the corresponding driven gears 223, and the lower ends of the three spline shafts 222 are fixedly connected to the drill bit 221, and the upper ends of the three spline shafts 222 are fixedly connected to the drill bit 221. The outer parts of the sides are movably connected to the inner parts around the connecting plate 225, and a spring 224 is provided between the upper side of the driven gear 223 and the lower side of the connecting plate 225; the motor 226 is fixedly connected to the central inner part of the upper side of the base 1, and a driving gear 227 is fixedly connected to the output shaft of the lower side of the motor 226; there are three connecting shafts 2210, and the three connecting shafts 2210 are movably connected to the inner parts around the central part of the base 1 respectively, and the outer parts of the three connecting shafts 2210 are fixedly connected to small gears 229 and large gears 228, and the large gears 228 are all connected to the driving gear 227; there are three connecting gears 2211, and the three connecting gears 2211 are movably connected to the inner parts around the base 1 respectively, and the three connecting gears 2211 are respectively connected to the corresponding small gears 229, and the three connecting gears 2211 are also respectively connected to the corresponding driven gear 223.

[0031] Wherein, the motor 226 is a reduction motor.

[0032] like Figure 5 and Figure 6As shown, the specific structure of the measuring mechanism 13 includes a fixed shaft 131, a bearing 132, a movable plate 133, a window 134, a magnifying glass 135, a pointer 136, a nut 137, a light rod 138, a hanging rope 139, a cone 1310, an elastic sleeve 1311, a cone hole block 1312, a fixed plate 1313 and a scale line 1314; the fixed plate 1313 is fixedly connected to the right front side of the connecting arm 12, and the scale line 1314 is provided in front of the fixed plate 1313; the center of the fixed shaft 131 is located at the center of the fixed plate 1313, and the fixed shaft 131 is fixedly connected to the right front side of the connecting arm 12; the upper side of the movable plate 133 is movably connected to the fixed shaft 131 outside, a bearing 132 is provided between the inner part of the upper side of the movable plate 133 and the outer part of the fixed shaft 131, a window 134 is opened on the lower side of the movable plate 133, and a magnifying glass 135 is fixedly connected to the upper side of the window 134; the pointer 136 is fixedly connected to the center of the lower side of the window 134; the top of the tapered hole block 1312 is fixedly connected to the center of the bottom of the movable plate 133; the outer part of the upper side of the light rod 138 is fixedly connected to the inner part of the lower side of the tapered hole block 1312 through a nut 137 and an elastic sleeve 1311, and the inner part of the lower side of the light rod 138 is fixedly connected to the outer part of the upper side of the sling 139; the cone 1310 is fixedly connected to the lower end of the sling 139.

[0033] Among them, the nut 137 is provided with anti-slip grooves on the outside, so that the nut 137 is easy to be manually twisted; the bottom surface of the base 1 is provided with an annular groove; the outer surface of the connecting rod 8 is provided with an anti-slip layer, so that the connecting rod 8 is easy to be manually twisted.

[0034] The use status of the utility model is as follows: the utility model has a reasonable and simple structure, low production cost and convenient installation. When in use, first place the base 1 at the position to be measured, and then start the drilling and tightening mechanism 2, so that the base 1 can be firmly fixed on the slope surface, thus ensuring the stability and reliability during detection. Here, the movable seat 9 is internally movably connected to the upper outer side of the connecting rod 8, and at the same time, under the action of gravity, the connecting arm 12 on one side will rotate toward the lower side of the slope, thereby ensuring that the measuring mechanism 13 can be adaptively located at the slope measurement position, thus improving the measurement accuracy of the measuring mechanism 13. The cone 1310 set here can drive the movable plate 133 toward the ground through the suspension rope 139 and the light rod 138, and at the same time through By observing the position of the scale line 1314 through the magnifying glass 135, the angle data between the slope and the ground at the measuring position can be obtained, which improves the convenience during detection. In addition, the locking screw 1 3 and the locking screw 2 11 are arranged, so that it is convenient to disassemble the device into several parts, which is convenient for packaging and collecting several parts, thereby improving the convenience during carrying. In addition, the drilling mechanism 2 has two structures, so that it can be used according to the flatness of the slope surface. When the drill bit 1 211 is located in the center of the base 1, it is convenient to use on the slope surface with better flatness, and when the drill bit 221 is located around the base 1, it is convenient to use on the slope surface with poor flatness. In this way, it can ensure that the bottom surface of the base 1 is in reliable contact with the slope surface, thereby ensuring the accuracy of the measurement.

[0035] The control method in the present invention is to start manually or control by existing automation technology. The wiring diagram of the power element and the provision of power supply belong to the common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0036] In the description of the utility model, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0037] In the utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "screw-on" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Technical personnel in this industry should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. An engineering measurement device, characterized in that: It comprises a base (1), a drilling mechanism (2), a locking screw (3), a fixing rod (4), a stud (5), a positioning hole (6), a positioning cylindrical surface (7), a connecting rod (8), a movable seat (9), a fixing cover (10), a locking screw (11), a connecting arm (12), a measuring mechanism (13) and a connecting slot (14); The lower outer portion of the fixing rod (4) is fixedly connected to the central hole on the upper side of the base (1) by means of a locking screw (3); The drilling and tightening mechanism (2) is arranged inside the base (1); The positioning hole (6) is arranged in the center of the upper side of the fixing rod (4); A positioning cylindrical surface (7) is provided on the outside of the lower side of the connecting rod (8), and the positioning cylindrical surface (7) is connected to the positioning hole (6); a stud (5) is fixedly connected to the center of the lower end of the connecting rod (8), and the stud (5) is connected to a threaded hole provided on the lower side of the positioning hole (6); The fixed cover (10) is fixedly connected to the top of the connecting rod (8); The movable seat (9) is movably connected to the outside of the upper side of the connecting rod (8), and a downwardly inclined connecting slot (14) is provided on the lower right side of the movable seat (9); A second locking screw (11) is movably connected to a threaded hole provided on the upper side of the connecting slot (14); The left side of the connecting arm (12) is fixedly connected to the inside of the connecting slot (14) by means of a second locking screw (11), and a measuring mechanism (13) is provided at the right end of the connecting arm (12).

2. An engineering measurement device according to claim 1, characterized in that: The specific structure of the drilling and tightening mechanism (2) comprises a drill bit (211), a spline shaft (212), a driven gear (213), a driving gear (214), a motor (215), a connecting plate (216), a slot block (217), a fixing block (218), a long slot (219), a spring (2110) and a connecting hole (2111). The first connection hole (2111) is arranged in the central interior of the lower side of the base (1), and a vertical long groove (219) is opened on the upper left side of the first connection hole (2111); The spline shaft one (212) is movably connected to the center of the connecting hole one (2111); the top of the spline shaft one (212) is fixedly connected to a connecting plate (216); and the lower end of the spline shaft one (212) is fixedly connected to a drill bit one (211); The driven gear 1 (213) is movably connected to the lower side of the connecting hole 1 (2111), and the spline hole arranged in the center of the driven gear 1 (213) is connected to the spline shaft 1 (212); The right interior of the slot block (217) is movably connected to the left exterior of the connection plate (216), and the left end of the slot block (217) is fixedly connected to a fixed block (218); A spring 1 (2110) is provided between the lower side of the connecting plate (216) and the upper side of the driven gear 1 (213); The motor 1 (215) is fixedly connected to the upper right side of the base (1), and a driving gear 1 (214) is fixedly connected to the output shaft at the lower side of the motor 1 (215), and the driving gear 1 (214) is connected to the driven gear 1 (213).

3. An engineering measurement device according to claim 2, characterized in that: The motor 1 (215) is a reduction motor.

4. The engineering measurement device according to claim 1, characterized in that: The specific structure of the drilling and tightening mechanism (2) comprises a second drill bit (221), a second spline shaft (222), a second driven gear (223), a second spring (224), a connecting plate (225), a second motor (226), a second driving gear (227), a large gear (228), a small gear (229), a connecting shaft (2210), a connecting gear (2211) and a second connecting hole (2212); There are three second connection holes (2212), and the three second connection holes (2212) are respectively arranged inside the four sides of the base (1), and the centers of the three second connection holes (2212) are all movably connected to the driven gears (223); There are three spline shafts 2 (222), and the three spline shafts 2 (222) are respectively movably connected to the inside of the corresponding connecting hole 2 (2212). The three spline shafts 2 (222) are respectively connected to the spline holes centrally arranged on the corresponding driven gear 2 (223). The lower ends of the three spline shafts 2 (222) are all fixedly connected to the drill bit 2 (221), and the upper outer parts of the three spline shafts 2 (222) are respectively movably connected to the inside of the surrounding of the connecting plate (225); A second spring (224) is provided between the upper side of the second driven gear (223) and the lower side of the connecting plate (225); The second motor (226) is fixedly connected to the central interior of the upper side of the base (1), and the output shaft at the lower side of the second motor (226) is fixedly connected to the second driving gear (227); There are three connecting shafts (2210), and the three connecting shafts (2210) are movably connected to the inner part around the center of the base (1), and the outer parts of the three connecting shafts (2210) are fixedly connected to small gears (229) and large gears (228), and the large gears (228) are connected to the second driving gear (227); There are three connecting gears (2211), and the three connecting gears (2211) are movably connected to the inside of the base (1) on all sides. The three connecting gears (2211) are respectively connected to corresponding small gears (229), and the three connecting gears (2211) are also respectively connected to corresponding driven gear 2 (223).

5. An engineering measurement device according to claim 4, characterized in that: The second motor (226) is a reduction motor.

6. The engineering measurement device according to claim 1, characterized in that: The specific structure of the measuring mechanism (13) includes a fixed shaft (131), a bearing (132), a movable plate (133), a window (134), a magnifying glass (135), a pointer (136), a nut (137), a polished rod (138), a hanging rope (139), a cone (1310), an elastic sleeve (1311), a cone hole block (1312), a fixed disk (1313) and a scale line (1314); The fixed disk (1313) is fixedly connected to the right front side of the connecting arm (12), and a scale mark (1314) is provided in front of the fixed disk (1313); The center of the fixed shaft (131) is located at the center of the fixed plate (1313), and the fixed shaft (131) is fixedly connected to the right front side of the connecting arm (12); The upper interior of the movable plate (133) is movably connected to the exterior of the fixed shaft (131), a bearing (132) is provided between the upper interior of the movable plate (133) and the exterior of the fixed shaft (131), a window (134) is provided on the lower side of the movable plate (133), and a magnifying glass (135) is fixedly connected to the upper side of the window (134); The pointer (136) is fixedly connected to the center of the lower side of the window (134); The top of the tapered hole block (1312) is fixedly connected to the center of the bottom of the movable plate (133); The upper outer portion of the polished rod (138) is fixedly connected to the lower central inner portion of the tapered hole block (1312) via a nut (137) and an elastic sleeve (1311), and the lower central inner portion of the polished rod (138) is fixedly connected to the upper outer portion of the suspension rope (139); The lower end of the suspension rope (139) is fixedly connected to a cone (1310).

7. An engineering measurement device according to claim 6, characterized in that: The nut (137) is provided with anti-slip grooves on the outside.

8. The engineering measurement device according to claim 1, characterized in that: An annular groove is provided on the bottom surface of the base (1).

9. The engineering measurement device according to claim 1, characterized in that: An anti-slip layer is provided on the outer surface of the connecting rod (8).

Images