Special ruler supporting device for leveling measurement

Abstract

The invention relates to the field of surveying and mapping, in particular to a ruler supporting device special for leveling. According to the leveling rod supporting device special for leveling, the adjusting platform slides relative to the rotary table in the vertical direction through the first linear driving mechanism, the height of the leveling rod is accurately and conveniently adjusted, and the working efficiency is improved. The hanging assembly is connected with the leveling rod and hangs the leveling rod at the lower end of the adjusting platform, so that the possibility that the leveling rod inclines due to an uneven supporting surface is reduced, and the leveling rod can be freely kept vertical. The clamping assembly comprises at least two clamping blocks which are symmetrically arranged on the edge of the receding hole in an up-down staggered mode, the clamping blocks are controlled by a second linear driving mechanism to move, the leveling rod can be temporarily fixed and prevented from shaking and colliding in the carrying process, and the stability of the leveling rod and the device is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of surveying and mapping, and specifically to a leveling rod supporting device dedicated for leveling surveying. Background Art

[0002] In leveling surveying work, accurately measuring the height difference between two points is an important basis for obtaining topographic and geomorphic information, carrying out engineering construction and other activities. And the leveling rod, as a key tool for measuring the height difference, it is crucial whether it can stand upright stably and accurately.

[0003] Currently, when carrying out leveling surveying, the leveling rod is mostly supported manually, and this method has many drawbacks. On the one hand, it is difficult for manual support to ensure that the leveling rod is always in a vertical state. A slight inclination will cause large errors in the measurement data, thus affecting the accuracy of the entire measurement result. On the other hand, during long-term measurement work, manual support of the leveling rod easily makes the operator fatigued, which not only reduces work efficiency but also further increases the probability of measurement errors. At the same time, in some complex terrains or harsh environments, such as mountains, swamps, etc., manual operation is more difficult, and there are many obstacles to the development of measurement work. Summary of the Invention

[0004] The purpose of the present invention is to provide a leveling rod supporting device dedicated for leveling surveying to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A leveling rod supporting device dedicated for leveling surveying, including a turntable, an adjustment platform, a suspension assembly, a base and a clamping assembly; the adjustment platform is arranged on the upper side of the turntable, and the adjustment platform is driven by a first linear driving mechanism to slide relative to the turntable in the vertical direction; the lower end of the adjustment platform is provided with the suspension assembly for connecting the leveling rod, a relief hole allowing the leveling rod to pass through is opened in the middle of the turntable, the lower side of the turntable is rotatably installed on the base, and the relief hole penetrates downward through the base; the turntable is provided with the clamping assembly for fixing the leveling rod, the clamping assembly includes at least two clamping blocks, the two clamping blocks are symmetrically arranged at the edge of the relief hole and are arranged vertically and staggeredly, the clamping blocks are driven by a second linear driving mechanism to move towards or away from the relief hole, and when the clamping blocks move towards the relief hole, they are used to clamp the leveling rod at the relief hole, and when the clamping blocks move away from the relief hole, they are used to release the leveling rod.

[0006] In a possible implementation manner, the device further includes a contact detection assembly arranged at the bottom of the leveling rod, the contact detection assembly includes a pressure sensor installed at the bottom of the leveling rod, the pressure sensor is communicatively connected with a controller, and transmits pressure detection data to the controller. When the controller determines that the pressure detection data reaches a preset threshold, it determines that the bottom of the leveling rod is in contact with the measurement placement point.

[0007] The turntable is driven by a rotational drive mechanism to rotate in cooperation with the base. The controller is electrically connected to the first linear drive mechanism, the second linear drive mechanism, and the rotational drive mechanism respectively, and transmits control signals. The device further includes a control terminal, which is used to wirelessly communicate with the controller and transmit remote control signals.

[0008] In addition, the control terminal further includes a voice recognition module, which is used to listen to user voice commands and convert them into control commands and send them to the controller.

[0009] In the above solution, the suspension assembly includes a first hanging rope with two ends respectively connected to the adjustment platform, and a second hanging rope with one end slidably sleeved on the first hanging rope and the other end used to be connected to the top end of the leveling staff.

[0010] The second linear drive mechanism includes an electromagnetic coil, a sleeve arranged on one side of the electromagnetic coil, and a push rod slidably arranged along the length direction of the sleeve at the inner end of the sleeve. The outer end of the push rod is connected to the clamping block, the inner end of the push rod is used to adsorb and cooperate with the electromagnetic coil, a spring is sleeved on the push rod, and both ends of the spring act on the push rod and the sleeve respectively, so that when the electromagnetic coil is powered off, the push rod extends out and abuts against the side of the leveling staff.

[0011] The bottom end of the turntable has a flange, a ring gear is arranged on the outer circumference of the flange, the lower end of the flange is rotatably connected to the base, a drive motor is correspondingly installed on the base opposite to the side of the ring gear, and the output shaft end of the drive motor is meshed and driven with the ring gear through a drive gear.

[0012] The first linear drive mechanism includes a linear screw drive mechanism, and guide rods respectively arranged at both ends of the adjustment platform. The adjustment platform is slidably sleeved on the guide rods. The threaded sleeve of the linear screw drive mechanism is rotationally connected and cooperated with the adjustment platform. The screw of the linear screw drive mechanism and the bottoms of the two guide rods are connected to the turntable, and the screw of the linear screw drive mechanism and the two guide rods are arranged in a triangular arrangement, and the adjustment platform is driven to move in the vertical direction by driving the rotation of the threaded sleeve.

[0013] The clamping block is in a V shape, and the V-shaped opening of the clamping block is arranged towards the middle of the avoidance hole.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: The device drives the adjustment platform to slide relative to the turntable in the vertical direction through the first linear drive mechanism, which can accurately and conveniently adjust the height of the leveling staff, meet the height requirements in different measurement scenarios, avoid inaccuracy and laboriousness during manual height adjustment, and improve work efficiency;

[0015] The suspension assembly is used to connect the leveling staff and suspend the leveling staff at the lower end of the adjustment platform; compared with directly placing or supporting the leveling staff on a certain plane, the suspension method reduces the possibility of the leveling staff tilting due to factors such as uneven support surfaces; as long as the connection of the suspension assembly is stable, the leveling staff can relatively freely adjust its posture following the direction of gravity and remain vertical;

[0016] The clamping assembly includes at least two clamping blocks symmetrically arranged at the edge of the avoidance hole and offset up and down, and is driven by the second linear drive mechanism to move towards or away from the avoidance hole. The clamping assembly can temporarily fix the leveling staff, prevent the leveling staff from shaking and colliding during handling, and ensure the stability of the leveling staff and the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a perspective view of the special leveling staff holding device in the embodiment of the present application;

[0018] Figure 2 is a front view of the special leveling staff holding device in the embodiment of the present application;

[0019] Figure 3 is a sectional view of the special leveling staff holding device in the embodiment of the present application;

[0020] Figure 4 is Figure 3 a partial enlarged schematic view of part A in

[0021] Figure 5 a schematic diagram of the control terminal in the embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1: As shown in Figures 1-4As shown in the figure, a special leveling rod-holding device includes a turntable 100, an adjustment platform 101, a suspension assembly 102, a base 103, and a clamping assembly 104. The adjustment platform 101 is provided on the upper side of the turntable 100 and is slidably arranged relative to the turntable 100 in the vertical direction by a first linear drive mechanism 105. The turntable 100 serves to connect and support other components and has a rotation function, enabling the adjustment of the horizontal direction angle of the leveling rod 200.

[0024] The lower end of the adjustment platform 101 is provided with the suspension assembly 102 for connecting the leveling rod 200. An avoidance hole 106 allowing the leveling rod 200 to pass through is formed in the middle of the turntable 100. The lower side of the turntable 100 is rotatably mounted on the base 103, and the avoidance hole 106 penetrates downward through the base 103.

[0025] As Figure 2 shown in the figure, in a specific solution, the bottom end of the turntable 100 has a flange 121. A ring gear 122 is provided on the outer periphery of the flange 121. The lower end of the flange 121 is rotatably connected to the base 103. A drive motor 123 is correspondingly installed on the base 103 at the side of the ring gear 122. The output shaft end of the drive motor 123 is meshed and driven with the ring gear 122 through a drive gear 124. When it is necessary to adjust the horizontal direction of the turntable 100, the drive motor 123 is started. The output shaft of the drive motor drives the drive gear 124 to rotate. Since the drive gear meshes with the ring gear 122, the rotation of the drive gear will push the ring gear 122 to perform a circular motion. And the ring gear 122 is installed on the flange 121, and the flange 121 is connected to the turntable 100. Therefore, the rotation of the ring gear will drive the turntable 100 to rotate relative to the base 103. By controlling the operating parameters of the drive motor, the rotation of the turntable at different angles and speeds can be achieved, meeting the requirements for adjusting the direction of the leveling rod 200 in leveling measurement.

[0026] As Figure 1 shown in the figure, the function of the avoidance hole 106 is to allow the leveling rod 200 to pass through the turntable, ensuring that the leveling rod 200 can be smoothly installed on the device and penetrating downward through the base, so that the leveling rod 200 can extend below the base.

[0027] The turntable 100 is provided with the clamping assembly 104 for fixing the leveling staff 200. The clamping assembly 104 includes at least two clamping blocks 107. The two clamping blocks 107 are symmetrically arranged at the edge of the avoidance hole 106 and are vertically offset. The clamping blocks 107 are driven by the second linear driving mechanism 108 to move towards or away from the avoidance hole 106. When the clamping blocks 107 move towards the avoidance hole 106, they are used to clamp the leveling staff 200 at the avoidance hole. When the clamping blocks 107 move away from the avoidance hole 106, they are used to release the leveling staff 200. When the clamping blocks move towards the avoidance hole, the clamping blocks will gradually approach the leveling staff 200 and clamp it, thereby fixing the position of the leveling staff 200. When the clamping blocks move away from the avoidance hole, the clamping blocks are separated from the leveling staff 200, releasing the leveling staff 200. At this time, the position of the leveling staff 200 can be adjusted or disassembled.

[0028] The adjustment platform 101 is driven by the first linear driving mechanism 105. The first linear driving mechanism can be a device such as an electric push rod that can achieve linear motion. The adjustment platform and the turntable are relatively slidably arranged in the vertical direction. Under the action of the first linear driving mechanism, the adjustment platform can slide up and down on the turntable, thereby driving the leveling staff 200 installed at its lower end to move in the vertical direction. To achieve the position adjustment of the leveling staff 200 in the vertical direction to meet the requirements of different measurement heights.

[0029] As Figure 4 shown, the suspension assembly 102 is used to connect the leveling staff 200 and suspend the leveling staff 200 at the lower end of the adjustment platform to ensure the installation stability of the leveling staff 200. It is installed at the lower end of the adjustment platform. The specific connection method can be selected according to the structure and design requirements of the leveling staff 200. For example, it can be connected to the leveling staff 200 by means of a hook, a clip, etc. The suspension assembly suspends the leveling staff 200 at the lower end of the adjustment platform. When the leveling staff 200 is in a suspended state, under the action of gravity, the leveling staff 200 will naturally tend to be in the vertical direction. Because the direction of gravity is vertically downward, when there is no other external force interference and the suspension point is reasonable, the leveling staff 200 will droop along the direction of gravity, thereby ensuring that it is in a vertical state itself.

[0030] Compared with directly placing or supporting the leveling staff 200 on a certain plane, the suspension method reduces the possibility of the leveling staff 200 tilting due to factors such as an uneven supporting surface. As long as the connection of the suspension assembly is stable, the leveling staff 200 can relatively freely adjust its posture following the direction of gravity and remain vertical.

[0031] The function of the clamping assembly 104 is, on the one hand, to temporarily fix the leveling staff 200 when handling the device and the leveling staff 200. During the handling process, if the leveling staff 200 is not fixed in the avoidance hole, it is very easy to collide with other parts of the device due to shaking, which may cause damage to the leveling staff 200 and also affect the overall stability of the device. On the other hand, it can temporarily fix the leveling staff 200 when the angle of the leveling staff 200 in the horizontal direction needs to be adjusted.

[0032] In a possible implementation manner, the suspension assembly 102 includes a first hanging rope 115 with two ends respectively connected to the adjustment platform 101, and a second hanging rope 116 with one end slidably sleeved on the first hanging rope 115 and the other end used to connect to the top end of the leveling staff 200. One end of the second hanging rope 116 is connected to the top end of the leveling staff 200, and the other end can slide on the first hanging rope 115. The leveling staff 200 has a natural tendency to vertically downward under the action of gravity. Due to the connection between the second hanging rope 116 and the leveling staff 200, the leveling staff 200 can relatively freely find a balance position in the vertical direction. Just like a pendulum, when there is not too much external interference, it will finally stabilize in the vertical state. The first hanging rope 115 only provides sliding support for the second hanging rope 116 and does not generate additional lateral fixing force on the leveling staff 200. The movement of the leveling staff 200 in the vertical direction will not be overly hindered and can more freely adjust its own posture according to the direction of gravity, thus ensuring better verticality.

[0033] In a possible implementation manner, the second linear drive mechanism 108 includes an electromagnetic coil 117, a sleeve 118 disposed on one side of the electromagnetic coil 117, and a push rod 119 slidably disposed along the length direction of the sleeve 118 at the inner end of the sleeve. The outer end of the push rod 119 is connected to the clamping block 107, the inner end of the push rod 119 is used to adsorb and cooperate with the electromagnetic coil 117, a spring 120 is sleeved on the push rod 119, and both ends of the spring 120 act on the push rod 119 and the sleeve 118 respectively, so that when the electromagnetic coil 117 is powered off, the push rod 119 extends and abuts against the side of the leveling staff 200. When the electromagnetic coil is energized, a magnetic field will be generated, and the adsorption force of the magnetic field is used to attract the inner end of the push rod 119, so that the push rod overcomes the elastic force of the spring 120 and moves towards the electromagnetic coil direction, thereby driving the clamping block 107 away from the avoidance hole and releasing the leveling staff 200; when the electromagnetic coil is powered off, the magnetic field disappears and no longer generates an adsorption force on the push rod. Thus, when not in use, without power supply, the leveling staff 200 can also be clamped and fixed by the clamping block 107.

[0034] In a possible implementation, the first linear drive mechanism 105 includes a linear screw drive mechanism 125 and guide rods 126 respectively disposed at both ends of the adjustment platform 101. The adjustment platform 101 is slidably sleeved on the guide rods 126. The threaded sleeve of the linear screw drive mechanism 125 is rotationally connected and cooperated with the adjustment platform 101. The screw rod 127 of the linear screw drive mechanism 125 and the bottoms of the two guide rods 126 are connected to the turntable 100. Moreover, the screw rod 127 of the linear screw drive mechanism 125 and the two guide rods 126 are arranged in a triangular layout. By driving the rotation of the threaded sleeve, the adjustment platform 101 is driven to move in the vertical direction. The triangular layout has good stability. When the adjustment platform 101 is subjected to external forces (such as the gravity of the leveling staff 200, inertial forces during movement, etc.), each support point can evenly share the force, avoiding excessive local force that may cause structural deformation or damage, and further ensuring the smoothness and reliability of the movement of the adjustment platform 101.

[0035] When it is necessary to adjust the height of the adjustment platform 101, the threaded sleeve of the linear screw drive mechanism 125 is driven to rotate by an external power source (such as a motor). Since the screw rod 127 is fixed on the turntable 100 and cannot move, the threaded sleeve will move linearly along the screw rod 127 during rotation. Also, because the threaded sleeve is rotationally connected and cooperated with the adjustment platform 101, the adjustment platform 101 will move in the vertical direction along with the linear movement of the threaded sleeve. At the same time, the adjustment platform 101 slides along the guide rods 126 during movement, and the guide rods 126 provide guidance and stable support for it, ensuring that the adjustment platform 101 can accurately and smoothly reach the specified height position to meet the requirements of leveling measurement.

[0036] In a possible implementation, the clamping block 107 is in a V shape, and the V-shaped opening of the clamping block 107 is arranged towards the middle of the avoidance hole 106. When it is necessary to clamp the leveling staff 200, the second linear drive mechanism 108 pushes the clamping block 107 towards the middle of the avoidance hole 106. As the clamping block 107 approaches, the V-shaped opening gradually contacts the leveling staff 200. At the moment of contact, if the leveling staff 200 is not at the center position of the V-shaped opening, the lateral component force generated by the V-shaped hypotenuse will cause the leveling staff 200 to move towards the center and be positioned. Then, the clamping block 107 continues to apply pressure to firmly fix the leveling staff 200 through the increased contact area and friction force. When it is necessary to release the leveling staff 200, the second linear drive mechanism 108 drives the clamping block 107 away from the avoidance hole 106, and the clamping block 107 separates from the leveling staff 200, and the leveling staff 200 can move freely.

[0037] Embodiment 2: In leveling measurement, it is crucial to ensure good contact between the bottom of the leveling staff 200 and the measurement placement point (e.g., leveling point or leveling pad), which directly affects the accuracy of the measurement result. To accurately determine whether the bottom of the leveling staff is in good contact with the measurement placement point and ensure the accuracy of leveling measurement.

[0038] As Figure 1 , 3 shown in FIGS. 5, etc., in this embodiment, the staff holding device further includes a contact detection component 109 provided at the bottom of the leveling staff. The contact detection component 109 includes a pressure sensor 110 installed at the bottom of the leveling staff. The pressure sensor 110 is communicatively connected to the controller 111 and transmits pressure detection data to the controller 111. When the controller 111 determines that the pressure detection data reaches a preset threshold, it determines that the bottom of the leveling staff is in contact with the measurement placement point.

[0039] The working principle of the pressure sensor is based on physical principles such as piezoresistive effect and piezoelectric effect. When an external force acts on it, physical quantities such as internal resistance and charge will change, thereby converting the pressure signal into an electrical signal. In this solution, when the bottom of the leveling staff is in contact with the measurement placement point, the measurement placement point will generate an upward supporting force on the bottom of the leveling staff, and this force will act on the pressure sensor, causing the pressure sensor to generate a corresponding electrical signal output, and this signal represents the magnitude of the pressure received.

[0040] The pressure sensor 110 is communicatively connected to the controller 111, and the pressure sensor transmits the detected pressure data to the controller. The controller can be an electronic device with data processing and judgment functions, and a threshold is preset inside it. When the controller receives the pressure detection data transmitted by the pressure sensor, it will compare this data with the preset threshold.

[0041] When the controller 111 determines that the pressure detection data reaches the preset threshold, it determines that the bottom of the leveling staff is in contact with the measurement placement point. Because only when the bottom of the leveling staff is in full contact with the measurement placement point, the pressure received by the pressure sensor will reach a certain value, that is, the preset threshold. If the bottom of the leveling staff is not in good contact with the measurement placement point, such as there is a suspension or poor contact, the pressure detected by the pressure sensor will be smaller and will not reach the preset threshold, and the controller will not determine that the two are in a contact state. In this way, the contact situation between the leveling staff and the measurement placement point can be judged in a more accurate and objective manner, providing a reliable prerequisite for subsequent leveling measurement.

[0042] In a specific solution, the pressure sensor 110 transmits the detected pressure detection data to the controller 111, and its communication connection can be a wired connection (such as transmitting electrical signals through a cable) or a wireless connection (such as wireless communication methods like Bluetooth, WiFi, etc.), specifically depending on the actual design and application requirements.

[0043] In a possible implementation, optical sensors such as a laser displacement sensor or a photoelectric switch can also be installed simultaneously. The laser displacement sensor is installed on the leveling staff, making the laser beam it emits vertically point to the leveling point. When the staff contacts the leveling point, the reflection situation of the laser beam will change, and the sensor calculates the distance between the staff and the leveling point based on information such as the time or intensity of the reflected light. If the distance is zero or within the allowable error range, it indicates that the two are in full contact.

[0044] The turntable 100 is driven by a rotation drive mechanism 112 to rotate in cooperation with the base 103. The controller 111 is electrically connected to the first linear drive mechanism 105, the second linear drive mechanism 108, and the rotation drive mechanism 112 respectively, and transmits control signals. The device further includes a control terminal 113, and the control terminal 113 is used to wirelessly communicate with the controller 111 and transmit remote control signals.

[0045] As Figure 2 shown, in a specific solution, the turntable 100 realizes rotational cooperation with the base 103 through the rotation drive mechanism 112. The rotation drive mechanism 112 can be a transmission system composed of a drive motor, a drive gear, and a toothed ring as mentioned in Embodiment 1. Its function is to provide rotational power for the turntable 100, enabling the turntable to rotate horizontally relative to the base 103, thereby adjusting the horizontal orientation of the leveling staff 200 installed on the turntable. The output end of the rotation drive mechanism 112 is connected to the turntable 100, and the input end is usually connected to a power source (such as a motor). Driven by the power source, the rotation drive mechanism works, and then the turntable rotates.

[0046] The controller 111 is electrically connected to the first linear drive mechanism 105, the second linear drive mechanism 108, and the rotation drive mechanism 112 respectively. This electrical connection can be in the way of transmitting electrical signals through wires to ensure that the controller can transmit control signals to each drive mechanism.

[0047] The controller 111 serves as the control core of the entire device and sends corresponding control signals to each drive mechanism according to a preset program or received instructions. For example, by sending a control signal to the first linear drive mechanism 105, the vertical position of the adjustment platform 101 can be adjusted; by sending a control signal to the second linear drive mechanism 108, the clamping and releasing of the leveling staff 200 by the clamping block 107 can be controlled; by sending a control signal to the rotary drive mechanism 112, the rotation operation of the turntable 100 can be achieved.

[0048] As Figure 5 shown, the control terminal 113 is wirelessly connected to the controller 111. Common wireless communication methods include Bluetooth, WiFi, ZigBee, etc. The wireless connection method gets rid of the shackles of traditional wired connections, enabling the operator to move freely within a certain range, facilitating the remote control of the staff-holding device.

[0049] The control terminal 113 is used to transmit remote control signals to the controller 111. The operator can input corresponding control instructions on the control terminal (such as intelligent devices like mobile phones and tablets), and convert the instructions into remote control signals through wireless communication and send them to the controller 111. After receiving the remote control signal, the controller 111 sends control signals to each drive mechanism according to the requirements of the signal, thereby realizing the remote operation of the staff-holding device.

[0050] In addition, the control terminal 113 further includes a voice recognition module 114, and the voice recognition module 114 is used to listen to the user's voice instructions and convert them into control instructions and send them to the controller 111.

[0051] In the scenario of leveling measurement operations, the operator may face situations where both hands are occupied and it is inconvenient to manually operate the control terminal due to a complex environment. The voice recognition module 114 can provide a more convenient and efficient interaction method for the user, allowing the user to remotely control the staff-holding device through voice instructions, improving the flexibility of operation and the overall efficiency of the measurement work.

[0052] In a possible implementation manner, the voice recognition module 114 consists of the following key parts:

[0053] Microphone: Responsible for collecting sound signals in the surrounding environment, especially the voice instructions issued by the user. It needs to have high sensitivity and anti-interference ability to accurately capture voice information.

[0054] Audio preprocessing unit: Performs preliminary processing on the original audio signal collected by the microphone, including operations such as amplification and filtering. Amplifying the signal can enhance its intensity, and filtering can remove background noise and unnecessary high-frequency or low-frequency components, improving the quality of the voice signal.

[0055] Speech recognition engine: Built-in algorithms and a large number of speech data models. Compare and analyze the preprocessed speech signal with these models to identify the text content in the speech.

[0056] Instruction conversion unit: Convert the text content recognized by the speech recognition engine into a control instruction format that the controller 111 can understand and execute.

[0057] During the operation process, the user issues a voice command, such as "Rotate the leveling staff 200 by 180°". The microphone monitors and captures these voice signals in real time. The collected voice signals are transmitted to the audio preprocessing unit, which performs operations such as amplifying and filtering the signals to optimize the signal quality and prepare for subsequent recognition work. The preprocessed voice signal enters the speech recognition engine, and the engine matches and analyzes it with the pre-trained speech model to identify the text instruction content in the user's speech. The instruction conversion unit converts the recognized text instruction into a corresponding control instruction, and then sends the control instruction to the controller 111 through the wireless communication link between the control terminal 113 and the controller 111. After receiving the control instruction, the controller 111 sends a control signal to the corresponding drive mechanism (such as the first linear drive mechanism, the second linear drive mechanism, the rotary drive mechanism, etc.) according to the instruction content, and the drive mechanism performs the corresponding action to realize the control of the leveling staff device.

[0058] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special leveling rod-holding device, characterized in that: It includes a turntable (100), an adjustment platform (101), a suspension assembly (102), a base (103) and a clamping assembly (104); the adjustment platform (101) is arranged on the upper side of the turntable (100), and the adjustment platform (101) is driven by a first linear drive mechanism (105) to be slidably arranged relative to the turntable (100) in the vertical direction; the lower end of the adjustment platform (101) is provided with the suspension assembly (102) for connecting a leveling staff, an avoidance hole (106) allowing the leveling staff to pass through is formed in the middle of the turntable (100), the lower side of the turntable (100) is rotatably installed on the base (103), and the avoidance hole (106) penetrates through the base (103) downward; the turntable (100) is provided with the clamping assembly (104) for fixing the leveling staff, the clamping assembly (104) includes at least two clamping blocks (107), the two clamping blocks (107) are symmetrically arranged on the edge of the avoidance hole (106) and are arranged in an upper and lower staggered manner, the clamping blocks (107) are driven by a second linear drive mechanism (108) to move towards or away from the avoidance hole (106), when the clamping blocks (107) move towards the avoidance hole (106), they are used for clamping the leveling staff at the avoidance hole, and when the clamping blocks (107) move away from the avoidance hole (106), they are used for releasing the leveling staff.

2. The leveling rod holding device for special leveling measurement according to claim 1, wherein: It further includes a contact detection assembly (109) arranged at the bottom of the leveling staff, the contact detection assembly (109) includes a pressure sensor (110) installed at the bottom of the leveling staff, the pressure sensor (110) is communicatively connected with a controller (111) and transmits pressure detection data to the controller (111), when the controller (111) determines that the pressure detection data reaches a preset threshold, it determines that the bottom of the leveling staff is in contact with the measurement placement point.

3. The leveling rod holding device for special leveling measurement according to claim 2, wherein: The turntable (100) is driven by a rotation drive mechanism (112) to be rotationally matched with the base (103), the controller (111) is electrically connected with the first linear drive mechanism (105), the second linear drive mechanism (108) and the rotation drive mechanism (112) respectively and transmits control signals, the device further includes a control terminal (113), and the control terminal (113) is used for wirelessly communicatively connecting with the controller (111) and transmitting remote control signals.

4. The special leveling staff holding device according to claim 3, wherein: The control terminal (113) further includes a voice recognition module (114), and the voice recognition module (114) is used for listening to user voice commands and converting them into control commands to be sent to the controller (111).

5. The leveling rod holding device for special leveling survey according to claim 1, wherein: The suspension assembly (102) includes a first hanging rope (115) with two ends respectively connected to the adjustment platform (101), and a second hanging rope (116) with one end slidably sleeved on the first hanging rope (115) and the other end used for connecting to the top end of the leveling staff.

6. The special leveling rod holding device according to claim 1, characterized in that: The second linear driving mechanism (108) includes an electromagnetic coil (117), a sleeve (118) disposed on one side of the electromagnetic coil (117), and a push rod (119) slidably disposed at the inner end of the sleeve along the length direction of the sleeve (118). The outer end of the push rod (119) is connected to the clamping block (107), and the inner end of the push rod (119) is used for adsorption cooperation with the electromagnetic coil (117). A spring (120) is sleeved on the push rod (119), and both ends of the spring (120) act on the push rod (119) and the sleeve (118) respectively, so that when the electromagnetic coil (117) is powered off, the push rod (119) extends out and abuts against the side of the leveling staff.

7. The special leveling staff holding device according to claim 1, wherein: The bottom end of the turntable (100) has a flange (121), and a ring gear (122) is provided on the outer circumference of the flange (121). The lower end of the flange (121) is rotatably connected to the base (103). A drive motor (123) is correspondingly installed on the base (103) opposite to the side of the ring gear (122), and the output shaft end of the drive motor (123) is meshed and driven with the ring gear (122) through a drive gear (124).

8. The special leveling staff holding device according to claim 1, characterized in that: The first linear driving mechanism (105) includes a linear screw driving mechanism (125) and guide rods (126) respectively disposed at both ends of the adjustment platform (101). The adjustment platform (101) is slidably sleeved on the guide rods (126). The threaded sleeve of the linear screw driving mechanism (125) is rotationally connected and matched with the adjustment platform (101). The screw rod (127) of the linear screw driving mechanism (125) and the bottoms of the two guide rods (126) are connected to the turntable (100), and the screw rod (127) of the linear screw driving mechanism (125) and the two guide rods (126) are arranged in a triangular pattern. By driving the rotation of the threaded sleeve, the adjustment platform (101) is driven to move in the vertical direction.

9. The leveling rod holding device for special leveling survey according to claim 1, wherein: The clamping block (107) is in a V shape, and the V-shaped opening of the clamping block (107) faces the middle of the avoidance hole (106).

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