Discharging equipment and in-pier detection device

Abstract

The invention relates to a releasing device and an in-pier detection device, and the device comprises a releasing assembly which is provided with an execution end, and the execution end is used for stretching into a hollow pier and is arranged in a lifting manner; the lifting assembly comprises a first connecting part and a second connecting part, the first connecting part is connected with the execution end, the second connecting part is in floating connection with the first connecting part in the vertical direction, and the second connecting part is used for installing the working assembly; the energy absorption assembly is arranged on the second connecting part and comprises an energy absorption piece and an impact piece, the energy absorption piece is fixed relative to the second connecting part, the impact piece is movably arranged relative to the second connecting part in the vertical direction, the energy absorption piece is located on the movement path of the impact piece, and the impact piece collides with the energy absorption piece in the movement process; and the energy absorption piece absorbs the energy of the impact piece. According to the technical scheme provided by the invention, the problem that the detection precision and stability are affected due to the fact that a detection device in the prior art is easy to shake when ascending and descending in a pier can be solved.

Description

Technical Field

[0001] This application relates to the field of infrastructure maintenance technology, and in particular to in-pier detection devices. Background Technology

[0002] Hollow piers are widely used in railway and highway bridges due to their advantages such as high lateral stiffness, reasonable longitudinal and transverse dimension matching, good adaptability to water flow characteristics, low material consumption, and strong construction adaptability. Hollow piers generally employ high-strength, thin-walled reinforced concrete structures. However, they are susceptible to defects such as cracks, spalling, or steel corrosion on their inner walls due to temperature, train operation, and foundation settlement. Failure to detect these defects in time can affect the strength of the hollow pier. Therefore, it is necessary to regularly inspect the structural condition inside the pier and take appropriate measures in a timely manner.

[0003] Typically, a deployment device is installed on a hollow pier. The execution end of the deployment device can be raised and lowered and is connected to a detection device, so that the detection device can move vertically inside the pier to detect the structure at different heights inside the pier.

[0004] However, hollow piers are usually quite tall, and the testing equipment is prone to shaking when it moves up and down inside the pier, which affects the testing accuracy and stability. Summary of the Invention

[0005] Therefore, it is necessary to provide a deployment device and an in-pier detection device to address the problem that the detection device is prone to shaking when it is raised and lowered inside the pier, which affects the detection accuracy and stability.

[0006] On one hand, this application provides a dispensing device, which includes:

[0007] The launching component has an actuating end, which is used to extend into the hollow pier and is vertically and vertically adjustable.

[0008] The lifting assembly includes a first connecting part and a second connecting part. The first connecting part is connected to the actuating end, and the second connecting part is floatingly connected to the first connecting part in the vertical direction. The second connecting part is used to install the working assembly.

[0009] An energy-absorbing component is disposed on the second connecting part. The energy-absorbing component includes an energy-absorbing element and an impact element. The energy-absorbing element is fixed relative to the second connecting part in the vertical direction. The impact element is movably disposed relative to the second connecting part, and the energy-absorbing element is located on the movement path of the impact element. During the movement of the impact element, it collides with the energy-absorbing element so that the energy-absorbing element absorbs the energy of the impact element.

[0010] In one embodiment, the energy-absorbing component further includes:

[0011] A guide member is provided on the second connecting part. The guide member extends in the vertical direction. The energy-absorbing member is fixedly provided on the guide member. The impact member slides with the guide member so that the impact member reciprocates within the motion path under the action of inertia.

[0012] In one embodiment, there are two energy-absorbing elements, which are respectively disposed at both ends of the guide element, and both energy-absorbing elements cooperate with the impact element to stop.

[0013] In one embodiment, the middle part of the guide member extends to the second connecting part, and along the vertical direction, the two energy-absorbing members are symmetrically distributed on both sides of the plane where the second connecting part is located.

[0014] In one embodiment, the energy-absorbing element and the guide element are detachably connected.

[0015] In one embodiment, the lifting assembly further includes an elastic buffer portion disposed between the first connecting portion and the second connecting portion.

[0016] In one embodiment, multiple elastic buffers are provided, and the multiple elastic buffers are distributed along the vertical direction. The lifting assembly also includes a partition, and a partition is provided between two adjacent elastic buffers.

[0017] In one embodiment, the elastic buffer includes a plurality of hexagonal honeycomb cells, which are connected sequentially along a first direction. Each hexagonal honeycomb cell extends along a second direction. Both the first and second directions extend horizontally and have an included angle. The longitudinal section of the hexagonal honeycomb cell is hexagonal, which includes two horizontal sides and four oblique sides. The two horizontal sides are arranged at intervals relative to each other in the vertical direction and both extend along the first direction. The hexagonal honeycomb cell includes a first edge and a second edge arranged relative to each other in the first direction. The first edge and the second edge of two adjacent hexagonal honeycomb cells are connected to each other.

[0018] In one embodiment, the lifting assembly further includes:

[0019] The floating support includes three telescopic support members disposed within the elastic buffer section. The three telescopic support members are arranged in a ring around a preset axis, which extends vertically. One end of each telescopic support member is hinged to a partition, and the other end of each telescopic support member is hinged to one of the corresponding partition, a first connecting part, and a second connecting part. The extension lines of the projections of the lines connecting the two ends of the extension direction of each telescopic support member onto the horizontal plane intersect to form a triangle.

[0020] In one embodiment, the dispensing device further includes a guiding assembly extending in a vertical direction; the lifting assembly further includes:

[0021] The first magnetic suction part slides and magnetically engages with the guide component, the first connecting part is disposed on the first magnetic suction part, and the lifting component is located on one side of the first magnetic suction part along the horizontal direction.

[0022] The second magnetic attraction part is located at the end of the second connecting part away from the first magnetic attraction part. The second magnetic attraction part magnetically engages with the first magnetic attraction part. The energy absorption component is located at the end of the second connecting part close to the first magnetic attraction part to balance the weight of the second magnetic attraction part.

[0023] On the other hand, this application provides an in-pier detection device, which includes a detection device and a release device according to any of the above embodiments, wherein the detection device is installed on the second connecting part of the release device.

[0024] In the aforementioned deployment device, the execution end is connected to the first connecting part, and the second connecting part is floatingly connected to the first connecting part. This allows the second connecting part to float vertically relative to the first connecting part during the process of the execution end driving the first connecting part to rise and fall. This reduces the transmission of vibrations generated when the execution end drives the first connecting part to rise and fall to the second connecting part, improving the stability of the working component during the rising and falling process. Simultaneously, the energy-absorbing component of the energy-absorbing assembly moves synchronously with the second connecting part, while the impact component is movably positioned relative to the second connecting part. During its movement relative to the second connecting part, the impact component collides with the energy-absorbing component, absorbing the energy of the impact component and reducing the degree of floating of the second connecting part, further improving the stability of the working component. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the internal detection device.

[0026] Figure 2 This is a cross-sectional view of the lifting assembly;

[0027] Figure 3 This is a schematic diagram of the energy absorption component.

[0028] Figure 4 This is a cross-sectional view showing the connection between the energy-absorbing component and the second connecting part;

[0029] Figure 5 This is a partial structural cross-sectional view of the lifting assembly;

[0030] Figure 6 This is a schematic diagram of the arrangement of the three telescopic support components from a top-down perspective.

[0031] Explanation of reference numerals in the attached figures:

[0032] 10. Launching component; 101. Actuating end; 11. Driving component; 12. Pulley; 13. Traction component;

[0033] 20. Lifting assembly; 21. First connecting part; 22. Second connecting part; 23. Elastic buffer part; 231. Hexagonal honeycomb unit; 2311. Horizontal side; 2312. Hydrate side; 232. Triangular unit; 24. Partition part; 25. Telescopic support; 26. First magnetic attraction part; 27. Second magnetic attraction part;

[0034] 30. Energy-absorbing component; 31. Energy-absorbing element; 32. Impact element; 321. Sliding channel; 33. Guide element;

[0035] 40. Testing equipment;

[0036] 50. Guiding components;

[0037] 61. First connector; 611. First segment; 612. Second segment; 62. Second connector; 621. Connecting rib; 622. Connecting segment; 623. Bending segment. Detailed Implementation

[0038] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0039] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0040] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0042] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0043] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0044] See Figures 1 to 3 A launching device includes a launching assembly 10, a lifting assembly 20, and an energy-absorbing assembly 30. The launching assembly 10 has an actuating end 101, which is vertically movably disposed. The lifting assembly 20 includes a first connecting portion 21 and a second connecting portion 22. The first connecting portion 21 is connected to the actuating end 101, and the second connecting portion 22 is located above the first connecting portion 21 and is floatingly connected to the first connecting portion 21. The second connecting portion 22 is used to install the launching assembly. The energy-absorbing assembly 30 is disposed on the second connecting portion 22 and includes an energy-absorbing element 31 and an impact element 32. The energy-absorbing element 31 is fixed relative to the second connecting portion 22 in a vertical direction. The impact element 32 is movably disposed relative to the second connecting portion 22, and the energy-absorbing element 31 is located on the movement path of the impact element 32. During the movement of the impact element 32, it collides with the energy-absorbing element 31, so that the energy-absorbing element 31 absorbs the energy of the impact element 32.

[0045] In the aforementioned deployment device, the execution end 101 is connected to the first connecting part 21, and the second connecting part 22 is floatingly connected to the first connecting part 21. This allows the second connecting part 22 to float vertically relative to the first connecting part 21 during the process of the execution end 101 driving the first connecting part 21 to rise and fall. This reduces the transmission of vibrations caused by the execution end 101 driving the first connecting part 21 to the second connecting part 22, thus improving the stability of the working component during the rising and falling process. Simultaneously, the energy-absorbing component 31 of the energy-absorbing component 30 moves synchronously with the second connecting part 22, while the impact component 32 is movably disposed relative to the second connecting part 22. During its movement relative to the second connecting part 22, the impact component 32 collides with the energy-absorbing component 31, allowing the energy-absorbing component 31 to absorb the energy of the impact component 32, reducing the degree of floating of the second connecting part 22, and further improving the stability of the working component.

[0046] It is understandable that the vertical floating connection between the second connecting part 22 and the first connecting part 21 means that when there is no external force, the second connecting part 22 is stationary relative to the first connecting part 21 and is in its initial position relative to the first connecting part 21; when the second connecting part 22 is subjected to an external force in the vertical direction, it can move within a certain range relative to the first connecting part 21, deviating from its initial position relative to the first connecting part 21, thereby achieving a buffering effect; when the external force disappears, the second connecting part 22 can return to its initial position relative to the first connecting part 21.

[0047] According to the solution of this application, a detection device 40 can be installed on the second connecting part 22, and the actuator 101 can be extended into the hollow pier. The actuator 101 drives the lifting assembly 20 and the detection device 40 to rise and fall, so that the detection device 40 can detect the structural morphology inside the pier during the rising and falling process. Under the action of the lifting assembly 20 and the energy absorption assembly 30, the stability of the detection device 40 during the rising and falling process can be improved, and the detection accuracy of the detection device 40 can be improved.

[0048] In some embodiments, the energy-absorbing element 31 is made of a metallic material with collapsible energy-absorbing properties. Such materials undergo plastic deformation upon impact and can reduce structural failure caused by brittle fracture while ensuring controllable collapse. Thus, when the impactor 32 collides with the energy-absorbing element 31, the energy-absorbing element 31 deforms to convert the impact kinetic energy into material thermal energy or deformation energy, thereby absorbing the impact energy.

[0049] Furthermore, the energy-absorbing component 30 also includes a guide member 33, which is disposed on the second connecting portion 22 and extends vertically. The energy-absorbing component 31 is fixedly disposed on the guide member 33, and the impact member 32 is slidably engaged with the guide member 33, so that the impact member 32 reciprocates within the motion path under the action of inertia. With this configuration, the reciprocating movement of the impact member 32 within the motion path can be achieved without an additional drive structure, resulting in a simple structure.

[0050] Understandably, when the actuator 101 drives the first connecting part 21 to rise and fall and vibrate vertically, the second connecting part 22 floats vertically relative to the first connecting part 21 due to its floating connection with the first connecting part 21, and the guide member 33 moves synchronously with the second connecting part 22. Since the impact member 32 and the guide member 33 are in sliding engagement rather than rigidly fixed, when the guide member 33 floats up and down synchronously with the second connecting part 22, the impact member 32 tends to maintain its original motion state due to inertia, that is, it moves at a constant speed relative to the first connecting part 21. However, the second connecting part 22's speed relative to the first connecting part 21 may be faster or slower due to its floating. As the speed difference between the second connecting part 22 and the first connecting part 21 changes continuously, a relative displacement occurs between the impact member 32 and the guide member 33, allowing the impact member 32 to collide with the energy-absorbing member 31 during its movement along the motion path.

[0051] In some embodiments, there are two energy-absorbing elements 31, each disposed at one end of the guide 33, and both elements 31 engage with the impact element 32 for stopping. This arrangement positions the energy-absorbing elements 31 at opposite ends of the impact element 32's movement path. When the impact element 32 moves behind or ahead of the guide 33 due to inertia, it collides with the corresponding energy-absorbing element 31, achieving bidirectional energy absorption. Furthermore, the energy-absorbing elements 31 effectively limit the movement range of the impact element 32, preventing it from detaching from the guide 33. No additional anti-detachment structure is required, resulting in a compact and simple overall structure.

[0052] Furthermore, the middle of the extending direction of the guide member 33 is connected to the second connecting part 22, and along the vertical direction, the two energy-absorbing members 31 are symmetrically distributed on both sides of the plane where the second connecting part 22 is located. This arrangement ensures that the impact points of the impact member 32 colliding with the two energy-absorbing members 31 are located on both sides of the plane where the second connecting part 22 is located, and the distances between the two impact points and the plane where the second connecting part 22 is located are equal, forming a symmetrical arrangement. This arrangement makes the collision rhythm of the impact member 32 with the two energy-absorbing members 31 more uniform during reciprocating motion, making the force on the impact member 32 more balanced during its movement, and improving the energy absorption effect and stability of the energy-absorbing members 31.

[0053] Furthermore, the energy-absorbing component 31 and the guide component 33 are detachably connected. The energy-absorbing component 31 is prone to wear or performance degradation after frequent impacts. By making the energy-absorbing component 31 and the guide component 33 detachably connected, it is easy to replace the energy-absorbing component 31 without replacing the entire energy-absorbing assembly 30, thus reducing maintenance costs.

[0054] See Figures 2 to 4 The second connecting part 22 is provided with a first plug-in member 61. The first plug-in member 61 includes a first segment 611 and a second segment 612 that are connected to each other in the horizontal direction. The width of the second segment 612 is greater than the width of the first segment 611 along the distribution direction perpendicular to the first segment 611 and the second segment 612. A stepped surface is formed between the first segment 611 and the second segment 612. The end of the first segment 611 away from the second segment 612 is connected to the second connecting part 22.

[0055] The guide member 33 is a rectangular sheet structure, and a second connector 62 is connected to the middle of the guide member 33 in the extension direction via a connecting rib 621. The second connector 62 is inserted into the first connector 61.

[0056] The second connector 62 includes a connecting section 622 and two bent sections 623. The two bent sections 623 are positioned opposite each other at the two ends of the connecting section 622. One end of each bent section 623 is perpendicular to and connected to the connecting section 622, while the other end of each bent section 623 bends towards the other bent section 623. The connecting section 622 and the two bent sections 623 form an interconnected insertion space and an opening structure. The ends of the two bent sections 623 furthest from the connecting section 622 are also open, allowing the first connector 61 to be inserted into the second connector 62 in a vertical direction. Specifically, the first segment 611 of the first connector 61 is positioned within the opening structure, and the second segment 612 of the first connector 61 is located within the insertion space. This arrangement limits the horizontal movement of the first connector 61 and the second connector 62, improving the stability of the connection between the guide 33 and the second connecting part 22.

[0057] In some embodiments, the first connector 61 and the second connector 62 can be fixed by fasteners, which facilitates quick assembly and disassembly of the first connector 61 and the second connector 62.

[0058] Furthermore, the connecting rib 621 is located at the end of the connecting section 622 away from the bending section 623. The connecting rib 621 is a vertically arranged strip structure, and the guide member 33 is a vertically arranged rectangular sheet structure. One side of the guide member 33 is fixedly connected to the end of the connecting rib 621 away from the connecting section 622.

[0059] In some embodiments, the impact member 32 is sleeved on the guide member 33, and one side of the impact member 32 has a sliding channel 321 that extends vertically through the impact member 32. The sliding channel 321 is used for the connecting rib 621 to slide through. This arrangement can improve the sliding stability between the impact member 32 and the guide member 33.

[0060] In some embodiments, the energy-absorbing element 31 is a rectangular sheet structure, with both ends of the energy-absorbing element 31 protruding outward from the two sides of the guide element 33 along the width direction of the guide element 33. This arrangement allows the impact element 32 and the energy-absorbing element 31 to have the largest possible contact area, and improves the symmetry of the impact between the impact element 32 and the energy-absorbing element 31, thereby enhancing the energy absorption effect of the energy-absorbing element 31.

[0061] In some embodiments, the energy-absorbing element 31 is a rectangular sheet structure, with its two sides protruding outward from the two surfaces of the guide element 33 along the thickness direction of the guide element 33. This arrangement allows the impact element 32 and the energy-absorbing element 31 to have the largest possible contact area, improves the symmetry of the impact between the impact element 32 and the energy-absorbing element 31, and enhances the energy absorption effect of the energy-absorbing element 31.

[0062] See Figure 2 The lifting assembly 20 also includes an elastic buffer 23, which is disposed between the first connecting part 21 and the second connecting part 22. This arrangement allows the second connecting part 22 to float vertically. When the first connecting part 21 vibrates vertically, the elastic buffer 23 can absorb vibration energy, reduce the rigid impact between the first connecting part 21 and the second connecting part 22, and improve the stability of the second connecting part 22.

[0063] Furthermore, multiple elastic buffer sections 23 are provided, distributed vertically. The lifting assembly 20 also includes a baffle section 24, with a baffle section 24 positioned between two adjacent elastic buffer sections 23. This arrangement, with the baffle section 24 positioned between adjacent elastic buffer sections 23, compared to providing only one elastic buffer section 23 between the first connecting section 21 and the second connecting section 22, reduces the deformation degree of a single layer of elastic buffer section 23, improves the buffering effect and response speed of the elastic buffer section 23, and simultaneously restricts the vertical and deflection angles of the first connecting section 21 and the second connecting section 22, reducing uncontrollable swaying of the second connecting section 22 and improving its stability.

[0064] See Figure 5The elastic buffer section 23 is an energy-absorbing pad, comprising multiple hexagonal honeycomb units 231. These units are sequentially connected along a first direction, and each unit extends along a second direction. Both the first and second directions extend horizontally and form an angle between them. The longitudinal section of each hexagonal honeycomb unit 231 is hexagonal, comprising two horizontal sides 2311 and four diagonal sides 2312. The two horizontal sides 2311 are spaced apart vertically and extend along the first direction. Each hexagonal honeycomb unit 231 includes a first edge and a second edge positioned opposite each other along the first direction. The first and second edges of adjacent hexagonal honeycomb units 231 are connected to each other. This design uses only one row of hexagonal honeycomb units 231 in the elastic buffer section 23. This arrangement reduces the lateral deformation of the elastic buffer section 23 under stress, improves its structural stability and load-bearing capacity in the vertical direction, and maintains good compression resilience. Figure 5 The X-direction is the first direction.

[0065] In some embodiments, the second direction is perpendicular to the first direction.

[0066] In some embodiments, the longitudinal section of the hexagonal honeycomb unit 231 is a regular hexagon. This arrangement makes the longitudinal section of the hexagonal honeycomb unit 231 a symmetrical shape, which can improve the uniformity of force distribution, reduce stress concentration in the energy-absorbing pad, and enhance the buffering and energy-absorbing effect of the energy-absorbing pad.

[0067] Furthermore, two triangular units 232 are formed between two adjacent hexagonal honeycomb units 231. The two triangular units 232 are symmetrically arranged vertically at the connection points of the corresponding two hexagonal honeycomb units 231, and the apex of each triangular unit 232 coincides with the connection point of the two hexagonal honeycomb units 231. This arrangement allows the triangular units 232 to provide stable support and suppress lateral buckling of the hexagonal honeycomb units 231. At the same time, the hexagonal honeycomb units 231 provide deformation space for the triangular units 232, enabling them to undergo elastic deformation together when subjected to vertical loads, further improving the overall buffering performance of the elastic buffer section 23.

[0068] See Figure 2 and Figure 6Furthermore, the lifting assembly 20 also includes a floating support section, which includes three telescopic support members 25 disposed within the elastic buffer section 23. The three telescopic support members 25 are arranged in a ring around a preset axis extending vertically. One end of each telescopic support member 25 is hinged to the partition section 24, and the other end of each telescopic support member 25 is hinged to one of the corresponding partition section 24, the first connecting section 21, and the second connecting section 22. The extension lines of the lines connecting the two ends of the extension direction of each telescopic support member 25 intersect on the horizontal plane and form a triangle. This arrangement allows the floating support section to limit excessive deformation of the elastic buffer section 23 in multiple directions, thereby limiting the vertical and deflection angles of the first connecting section 21 and the second connecting section 22, improving the stability of the posture of the second connecting section 22, and improving the stability of the detection device 40.

[0069] It is understandable that each telescopic support 25 can extend and compress independently, and the three telescopic support 25 form a stable support system in a ring layout. This arrangement prevents individual telescopic support 25 from being compressed or stretched indefinitely, thus avoiding structural instability, preventing excessive deformation of the elastic buffer 23, and improving the attitude stability of the second connection 22.

[0070] Furthermore, the telescopic support 25 is a hydraulic telescopic component. This design simplifies the structure, provides elastic damping characteristics, enables dynamic adjustment, and absorbs vibration energy, further enhancing the vibration damping performance of the elastic buffer 23.

[0071] In some embodiments, each elastic buffer portion 23 is provided with a floating support portion, the preset axis of which coincides with the central axis of the second connecting portion 22. This arrangement can improve the symmetry of the support provided by the floating support portion to the elastic buffer portion 23 and enhance the attitude stability of the elastic buffer portion 23.

[0072] It is understandable that when there is one partition 24 and two elastic buffer parts 23, the two elastic buffer parts 23 are located on the upper and lower sides of the partition 24 respectively. One end of the telescopic support member 25 in the upper elastic buffer part 23 is hinged to the partition 24 and the other end is hinged to the second connecting part 22. One end of the telescopic support member 25 in the lower elastic buffer part 23 is hinged to the partition 24 and the other end is hinged to the first connecting part 21.

[0073] When multiple partitions 24 are provided, one end of the telescopic support member 25 in the uppermost elastic buffer 23 is hinged to the corresponding partition 24, and the other end is hinged to the second connecting part 22; one end of the telescopic support member 25 in the lowermost elastic buffer 23 is hinged to the corresponding partition 24, and the other end is hinged to the first connecting part 21; one end of the telescopic support member 25 in the middle elastic buffer 23 is hinged to one of the corresponding partitions 24, and the other end is hinged to the other corresponding partition 24.

[0074] In some embodiments, the projections of any two telescopic supports 25 onto the horizontal plane do not coincide. This arrangement can further enhance the multi-directional constraint force of each floating support on the corresponding elastic buffer 23, improve the anti-eccentric load capacity of the elastic buffer 23, and enhance the buffering effect and stability of the elastic buffer 23.

[0075] See Figure 1 The launching device also includes a guide assembly 50, which is installed inside the hollow pier and extends vertically. The lifting assembly 20 includes a first magnetic suction part 26 and a second magnetic suction part 27. The first magnetic suction part 26 is slidably engaged with the guide assembly 50 and is also magnetically engaged with it. A first connecting part 21 is disposed on the first magnetic suction part 26, and the lifting assembly 20 is located on the horizontal side of the first magnetic suction part 26. The second magnetic suction part 27 is disposed at the end of the second connecting part 22 away from the first magnetic suction part 26, and is magnetically engaged with the first magnetic suction part 26. An energy-absorbing assembly 30 is disposed at the end of the second connecting part 22 near the first magnetic suction part 26 to balance the weight of the second magnetic suction part 27. The sliding and magnetic engagement of the first magnetic suction part 26 and the guide assembly 50 improves the stability of the lifting process of the first connecting part 21. Furthermore, the second magnetic attraction part 27 magnetically engages with the first magnetic attraction part 26, which reduces the swaying of the second connecting part 22 during lifting and lowering, further improving the stability of the second connecting part 22 during lifting and lowering. In addition, the energy absorption component 30 balances the weight of the second magnetic attraction part 27. This arrangement reduces the possibility of the second connecting part 22 tilting, further improving the stability of the second connecting part 22.

[0076] In some embodiments, both the first connecting portion 21 and the second connecting portion 22 are horizontally arranged rectangular plate structures. One end of the first connecting portion 21 is fixedly connected to the first magnetic suction portion 26 along its length, and the other end extends horizontally away from the first magnetic suction portion 26. The end of the first connecting portion 21 connected to the first magnetic suction portion 26 protrudes from the end of the second connecting portion 22 closest to the first magnetic suction portion 26, and the energy-absorbing component 30 is connected to the end of the second connecting portion 22 closest to the first magnetic suction portion 26. This arrangement ensures that the energy-absorbing component 30 will not interfere with the guide component 50 during the lifting process of the lifting component 20, thus improving the smoothness of the lifting process of the lifting component 20.

[0077] In some embodiments, the launching component 10 includes a driving member 11, a pulley 12, and a traction member 13. The pulley 12 is rotatably mounted on a mounting base at the top of the hollow pier. The output end of the driving member 11 is connected to one end of the traction member 13. The traction member 13 passes around the pulley 12, and its other end is connected to the first magnetic attraction part 26. The end of the traction member 13 away from the driving member 11 forms the execution end 101. The driving member 11 drives the first magnetic attraction part 26 to rise and fall along the guide component 50 via the traction member 13. The first magnetic attraction part 26 drives the lifting component 20 to rise and fall. The arrangement of the driving member 11, pulley 12, and traction member 13 has a simple structure and facilitates the lowering of the lifting component 20 into the hollow pier for extension, as well as the retraction of the lifting component 20 from the hollow pier, resulting in high operational convenience.

[0078] See Figure 1 and Figure 2 An in-pier detection device includes a detection device 40 and a release device according to any of the above embodiments, wherein the detection device 40 is mounted on the second connecting part 22 of the release device.

[0079] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An applicator, comprising: The application discloses a spraying device. The spraying device comprises: a spraying assembly (10) having an execution end (101) which is arranged in a liftable manner; a lifting assembly (20) comprising a first connecting part (21) connected with the execution end (101) and a second connecting part (22) which is floatingly connected with the first connecting part (21) in a vertical direction and is used for mounting a working assembly; 2. The applicator of claim 1, wherein, an energy-absorbing assembly (30) arranged on the second connecting part (22), wherein the energy-absorbing assembly (30) comprises an energy-absorbing part (31) fixed relative to the second connecting part (22) and an impact part (32) movably arranged relative to the second connecting part (22) in a vertical direction, and the energy-absorbing part (31) is located on a movement path of the impact part (32), and the impact part (32) collides with the energy-absorbing part (31) during movement so that the energy-absorbing part (31) absorbs the energy of the impact part (32). The energy-absorbing assembly (30) further comprises:

3. The applicator of claim 2, wherein, a guide part (33) arranged on the second connecting part (22), wherein the guide part (33) extends in a vertical direction, the energy-absorbing part (31) is fixedly arranged on the guide part (33), and the impact part (32) is in sliding fit with the guide part (33) so that the impact part (32) reciprocally moves in the movement path under the action of inertia.

4. The applicator of claim 3, wherein, The number of the energy-absorbing parts (31) is two, and the two energy-absorbing parts (31) are respectively arranged at two ends of the guide part (33), and the two energy-absorbing parts (31) are in stop fit with the impact part (32).

5. The applicator according to any one of claims 1 to 4, wherein, In a vertical direction, the middle part of the guide part (33) is connected with the second connecting part (22), and the two energy-absorbing parts (31) are symmetrically distributed on both sides of the plane where the second connecting part (22) is located.

6. The applicator of claim 5, wherein, The lifting assembly (20) further comprises elastic buffering parts (23) arranged between the first connecting part (21) and the second connecting part (22). The elastic buffering parts (23) are arranged in a plurality of numbers, the elastic buffering parts (23) are distributed in a vertical direction, the lifting assembly (20) further comprises a partition part (24), and one partition part (24) is arranged between two adjacent elastic buffering parts (23).

7. The applicator of claim 6, wherein, The elastic buffer (23) includes a plurality of hexagonal honeycomb cells (231), which are connected sequentially along a first direction. Each hexagonal honeycomb cell (231) extends along a second direction. Both the first and second directions extend horizontally and have an included angle. The longitudinal section of the hexagonal honeycomb cell (231) is hexagonal. The hexagon includes two horizontal sides (2311) and four oblique sides (2312). The two horizontal sides (2311) are arranged at intervals relative to each other in the vertical direction and both extend along the first direction. The hexagonal honeycomb cell (231) includes a first edge and a second edge arranged relative to each other in the first direction. The first edge and the second edge of two adjacent hexagonal honeycomb cells (231) are connected to each other.

8. The applicator of claim 7, wherein, The lifting assembly (20) also includes: The floating support includes three telescopic support members (25) disposed within the elastic buffer part (23). The three telescopic support members (25) are arranged in a ring around a preset axis that extends vertically. One end of each telescopic support member (25) is hinged to the partition part (24), and the other end of each telescopic support member (25) is hinged to one of the corresponding partition part (24), the first connecting part (21), and the second connecting part (22). The extension lines of the lines connecting the two ends of the extension direction of each telescopic support member (25) on the horizontal plane intersect and form a triangle.

9. The applicator according to any one of claims 1 to 4, wherein, The dispensing device further includes a guide assembly (50) extending vertically; the lifting assembly (20) further includes: The first magnetic suction part (26) is slidably engaged with the guide component (50) and magnetically engaged with the guide component (50). The first connecting part (21) is disposed on the first magnetic suction part (26), and the lifting component (20) is located on one side of the first magnetic suction part (26) along the horizontal direction. The second magnetic suction part (27) is disposed at the end of the second connecting part (22) away from the first magnetic suction part (26). The second magnetic suction part (27) magnetically engages with the first magnetic suction part (26). The energy absorption component (30) is disposed at the end of the second connecting part (22) close to the first magnetic suction part (26) to balance the weight of the second magnetic suction part (27).

10. An in-pit detection device, characterized in that include: The dispensing device according to any one of claims 1 to 9; The detection device (40) is installed on the second connection part (22) of the release device.

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