Power finger

Abstract

This invention discloses a powered finger beam, comprising multiple finger beams, each equipped with multiple finger beam locks and a driving device. Each finger beam also has a guide rail, driven by the driving device to reciprocate along the extension direction of the finger beam. The guide rail includes a tip and an upper baffle, with the upper baffle located at the top of the tip. Each finger beam lock includes a lever arm, a locking plate, and a torsion spring. The lever arm is fixedly connected to the locking plate, and the torsion spring is elastically connected to the locking plate, driving the locking plate to rotate to a first position. The tip can lift the lever arm, and the surface of the tip contacting the lever arm is a pushing surface used to guide the lever arm to rotate. The guide rail can drive the locking plate to rotate to a second position, and the upper baffle limits the lever arm. This powered finger beam requires only one driving device to control the automatic opening and closing of multiple finger beam locks on the entire finger beam, reducing the number of driving components, simplifying pipeline and cable connections, and lowering manufacturing and maintenance costs.

Description

Technical Field

[0001] This invention relates to the field of oil drilling and well workover technology, and in particular to a power finger beam. Background Technology

[0002] In offshore oil drilling and workover, to prevent the drill string inside the finger beam from tipping over when subjected to strong winds or ship swaying, it is necessary to limit the position of each drill string, which requires multiple clamping plates to be installed on a single finger beam.

[0003] With the development of automation in offshore drilling, powered finger beams equipped with multiple locking plates have emerged. For example, Chinese utility model patent CN211598563U describes a single finger beam equipped with multiple powered finger beam locks, each finger beam lock's locking plate being driven by an independent drive element. Multiple locking plates and multiple drives are installed on a single finger beam. This type of powered finger beam has a large number of drive elements, corresponding to more pipelines and cables, more accessories, higher costs, and more complex wiring. Summary of the Invention

[0004] The purpose of this invention is to overcome the problems of existing multi-plate, multi-drive power finger beams, which have too many drive components, require a lot of pipelines and cables, resulting in high costs and complex wiring, and to provide a power finger beam.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0006] A powered finger beam includes multiple finger beams, each finger beam being equipped with multiple finger beam locks and a driving device. Each finger beam is also equipped with a guide rail, which is driven by the driving device to reciprocate along the extension direction of the finger beam. The guide rail includes a tip and an upper baffle, with the upper baffle located at the top of the tip. Each finger beam lock includes a lever arm, a locking plate, and a torsion spring. The lever arm is fixedly connected to the locking plate, and the torsion spring is elastically connected to the locking plate. The torsion spring can drive the locking plate to rotate to a first position. The tip can scoop up the lever arm, and the surface of the tip that contacts the lever arm is a pushing surface used to guide the lever arm to rotate. The guide rail can drive the locking plate to rotate to a second position, and the upper baffle is used to limit the movement of the lever arm.

[0007] The power finger lock provided by this invention simplifies the driving mechanism of the finger lock through structural innovation. The finger lock uses a torsion spring to keep the locking plate in the open state. When the pushing surface at the tip of the guide rail contacts the lever arm, it pushes it upwards, causing rotation and driving the locking plate to close. An upper baffle on the guide rail fixes the lever arm in the closed position, ensuring the locking plate remains closed. When the guide rail retracts, the upper baffle releases the lever arm's restriction, and the automatic reset function of the torsion spring returns the locking plate to the open state. This structure fully utilizes the principles of spring reset and mechanical cooperation, eliminating the need for an independent drive device for each finger lock, greatly simplifying system complexity. Compared to existing technologies where each finger lock requires an independent drive element, this invention only requires one drive device to drive the guide rail reciprocating, controlling the automatic opening and closing of multiple finger locks on the entire finger lock. This innovative structure significantly reduces the number of drive components, simplifies pipeline and cable connections, and lowers manufacturing and maintenance costs. Simultaneously, relying solely on mechanical motion for automatic control avoids control system complexity and improves reliability and safety.

[0008] Optionally, the tip is a concave arc-shaped plate.

[0009] By designing the tip as a concave arc-shaped plate, the pushing surface that contacts the lever arm becomes an arc-shaped surface. This better matches the rotation trajectory of the lever arm in the finger-crank lock, allowing the lever arm to rotate smoothly under the action of the pushing surface. Furthermore, the contact between the arc-shaped surface and the lever arm is more stable, generating a larger rotational torque and thus driving the lever arm to rotate more reliably.

[0010] Optionally, the tip is a flat plate.

[0011] Setting the tip as a flat plate simplifies manufacturing and reduces costs.

[0012] Optionally, the finger lock further includes mounting ears disposed opposite to each other and a shaft passing through the mounting ears. The locking plate and the torsion spring are installed between the mounting ears, and the locking plate and the torsion spring are sleeved on the shaft. The locking plate is also fixedly connected to a limiting member. When the limiting member contacts the mounting ears, it can limit the locking plate from rotating to the first position and then continuing to rotate.

[0013] The power finger beam of this invention has a limiting member fixed to the clamping plate, which moves together with the opening and closing motion of the clamping plate. When the clamping plate rotates from the second position (closed state) to the first position (open state) under the action of a torsion spring, the limiting member rotates with the clamping plate. When the limiting member contacts the mounting ear, it restricts further rotation of the clamping plate. This allows for precise control of the maximum rotation angle of the clamping plate in the open state, preventing malfunctions caused by excessive rotation. This limiting member is a passive mechanism, requiring no additional control or power supply, and has a simple structure and low cost.

[0014] Optionally, the finger beam lock further includes a lock seat, the mounting ears are parallel to each other and fixedly connected to the lock seat, the torsion spring includes a first torsion arm and a second torsion arm, the locking plate has an inner hole, the first torsion arm passes through the inner hole, and the second torsion arm abuts against the lock seat.

[0015] With this structure, the first torsion arm passes through the inner hole of the card plate, and the second torsion arm abuts against the lock seat. The two arms are positioned with the card plate and the lock seat respectively. The two arms of the torsion spring generate a restoring force through torsion, which can drive the card plate back to the first position.

[0016] Optionally, the guide rail further includes a rack, the tip of which is located at one end of the rack along its length, and the upper baffle is disposed on the upper part of the rack and extends along the length of the rack; the driving device includes a motor and a gear, the gear meshing with the rack, and the motor driving the gear to rotate, thereby driving the guide rail to reciprocate.

[0017] This structural design, with a rack on the guide rail that meshes with gears in the drive unit, enables precise movement control. The upper baffle, located above the rack and extending along its length, moves with the rack, consistently limiting the lever arm and ensuring the locking plate is always in the second position (closed) as the guide rail passes. The sequential opening and closing of the finger-beam lock is achieved as the guide rail moves.

[0018] Optionally, each of the finger beams is also fixedly mounted with at least two guide rail seats, each guide rail seat including opposing wheel seats, the guide rails being fitted with the wheel seats with a clearance, the wheel seats being used to restrict the guide rails to move only along the extension direction of the finger beam.

[0019] The guide rail seats are fixedly mounted on the finger beam, precisely positioning and supporting the guide rail's installation position. Symmetrical wheel seats are arranged, with the guide rail passing between them. This structure effectively restricts and constrains the guide rail, ensuring it can only move along the finger beam direction, preventing unnecessary lateral and vertical movement. The constraint relationship between the wheel seats and the guide rail not only makes the guide rail movement smoother and more aligned but also provides a guiding effect, preventing the guide rail from deviating from the finger beam's centerline, thereby improving the guide rail's movement accuracy. Through the proper arrangement of the guide rail seats, the guide rail movement becomes smoother and more aligned, effectively improving the movement accuracy of the power finger beam and the system's reliability.

[0020] Optionally, the wheel seat is equipped with a roller that can contact the guide rail.

[0021] The rollers and guide rails use rolling contact, resulting in minimal relative sliding and reduced friction and energy loss. The rolling friction coefficient is much lower than the sliding friction coefficient, reducing resistance to guide rail movement. The stress experienced by the rollers in contact with the guide rails is primarily rolling contact stress, far less than the shear stress in sliding friction, thus reducing wear between them. The rotation of the rollers also improves the smoothness of guide rail movement, facilitating alignment. By incorporating rollers, rolling contact is achieved between the wheel seat and the guide rail, which is more efficient than direct sliding contact, reducing friction loss and improving the accuracy and efficiency of guide rail movement.

[0022] Optionally, the guide rail further includes a slider disposed at the lower part of the rack and extending along the length direction of the rack, the slider being able to be embedded between the opposing wheel seats.

[0023] The sliding element, positioned below the rack, prevents direct contact between the rack and the wheel seat, reducing friction. The sliding element embeds itself between the rack and wheel seat, achieving surface contact and increasing the force-bearing area. The wheel seat guides and constrains the sliding element, making its movement smoother and more aligned. The sliding element can withstand longitudinal loads during guide rail movement, preventing overloading of the rack. Lubrication grooves and holes can also be provided on the sliding element to lubricate the sliding surface. Compared to direct contact between the rack and wheel seat, the sliding element reduces wear on both. The sliding element optimizes load distribution, resulting in smoother and more accurate guide rail movement and extended service life.

[0024] Optionally, the drive device further includes an encoder capable of controlling the number of rotations of the gear.

[0025] Encoders provide precise feedback on gear rotation information, such as the number of revolutions, speed, and position. Based on encoder feedback, closed-loop control of gear rotation can be achieved, precisely adjusting the guide rail's movement distance. Encoder feedback information, used as an input signal and combined with control algorithms, can accurately locate the guide rail position. The speed information from the encoder can be used to adjust motor operation, achieving closed-loop speed control. Encoder feedback can also be used for status monitoring to determine if there are any faults in the transmission system. Automated control of the guide rail's movement is achieved through encoder feedback.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] 1. The power finger beam provided by this invention simplifies the driving of finger beam locks through structural innovation. The finger beam lock uses a torsion spring to keep the locking plate in the open state. When the pushing surface at the tip of the guide rail contacts the lever arm, it pushes it upwards, causing rotation and driving the locking plate to close. The upper baffle on the guide rail fixes the lever arm in the closed position, ensuring the locking plate remains closed. When the guide rail retracts, the upper baffle releases the limit on the lever arm, and the automatic reset function of the torsion spring returns the locking plate to the open state. This structure fully utilizes the principles of spring reset and mechanical cooperation, eliminating the need for an independent drive device for each finger beam lock, greatly simplifying system complexity. Compared to existing technologies where each finger beam lock requires an independent drive element, this invention only requires one drive device to drive the guide rail reciprocating, controlling multiple finger beam locks on the entire finger beam to achieve automatic opening and closing. This innovative structure significantly reduces the number of drive components, simplifies pipeline and cable connections, and reduces manufacturing and maintenance costs. Simultaneously, relying solely on mechanical motion for automatic control avoids control system complexity and improves reliability and safety.

[0028] 2. The power finger beam provided by this invention has a concave arc-shaped tip, so the pushing surface that contacts the lever arm is also arc-shaped. This better matches the rotation trajectory of the lever arm, allowing the lever arm to rotate smoothly under the action of the pushing surface. Furthermore, the contact between the arc-shaped surface and the lever arm is more stable, generating a larger rotational torque and thus driving the lever arm to rotate more reliably.

[0029] 3. In this invention, the power finger beam has a limiting member fixed to the clamping plate, which moves together with the opening and closing motion of the clamping plate. When the clamping plate rotates from the second position (closed state) to the first position (open state) under the action of the torsion spring, the limiting member rotates with the clamping plate. When the limiting member contacts the mounting ear, it restricts further rotation of the clamping plate. This allows for precise control of the maximum rotation angle of the clamping plate in the open state, preventing malfunctions caused by excessive rotation. This limiting member is a passive mechanism, requiring no additional control or power supply, and has a simple structure and low cost.

[0030] 4. In the power finger beam of the present invention, the first torsion arm passes through the inner hole of the card plate, the second torsion arm abuts against the lock seat, the two arms are respectively positioned with the card plate and the lock seat, and the two arms of the torsion spring generate a restoring force by torsion, which can drive the card plate back to the first position.

[0031] 5. A rack is installed on the guide rail, meshing with the gears in the drive unit, enabling precise movement control. The upper baffle is located above the rack and extends along its length. Moving with the rack, the upper baffle consistently limits the lever arm, ensuring that the locking plate the guide rail passes through is always in the second position (closed). The sequential opening and closing of the finger-beam lock is achieved as the guide rail moves.

[0032] 6. Fixing the guide rail seats to the finger beam allows for precise positioning and support of the guide rail's installation position. Symmetrical wheel seats with the guide rail passing between them effectively restrict and constrain the guide rail, ensuring it can only move along the finger beam direction, preventing unnecessary lateral and vertical movement. The constraint relationship between the wheel seats and the guide rail not only makes the guide rail movement smoother and more aligned but also provides guidance, preventing the guide rail from deviating from the finger beam's centerline, thus improving the guide rail's movement accuracy. Through the proper arrangement of the guide rail seats, the guide rail movement becomes smoother and more aligned, effectively improving the movement accuracy of the power finger beam and the system's reliability. The rollers and guide rails use rolling contact, resulting in minimal relative sliding, reducing friction and energy loss. The rolling friction coefficient is much smaller than the sliding friction coefficient, reducing the resistance to guide rail movement. The stress experienced by the rollers when in contact with the guide rail is primarily rolling contact stress, much smaller than the shear stress in sliding friction, thus reducing wear between them. The rotation of the rollers also improves the smoothness of the guide rail's movement, which is beneficial for aligned movement. By setting rollers, rolling contact is achieved between the wheel seat and the guide rail, which is more reasonable than direct sliding contact, reducing friction loss and improving the accuracy and efficiency of the guide rail movement.

[0033] 7. The power finger beam of this invention places the sliding body below the rack, which avoids direct contact between the rack and the wheel seat, thus reducing friction. The sliding body is embedded between the wheel seat to achieve surface contact, increasing the force-bearing area. The wheel seat guides and constrains the sliding body, making its movement more stable and accurate. The sliding body can withstand the longitudinal load during the guide rail movement, preventing overloading of the rack. Lubricating oil grooves and holes can also be provided on the sliding body to lubricate the sliding surface. Compared to the rack directly contacting the wheel seat, the sliding body reduces wear on both. The sliding body optimizes load distribution, making the guide rail movement more stable and accurate, and extending its service life. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the axle view of a single finger beam;

[0035] Figure 2 This is a schematic diagram of the finger beam lock axis;

[0036] Figure 3 This is a schematic diagram showing the open state of the bar lock;

[0037] Figure 4 This is a schematic diagram showing the closed state of the finger beam lock;

[0038] Figure 5 This is a schematic diagram of a torsion spring structure;

[0039] Figure 6 This is a schematic diagram of the front axial view of the guide rail;

[0040] Figure 7This is a schematic diagram of the rear axial view of the guide rail;

[0041] Figure 8 This is a schematic diagram of the guide rail seat from an axial perspective.

[0042] Figure 9 This is a schematic diagram of the drive unit from an axial view.

[0043] Figure 10 A schematic diagram showing the guide rail placed in the guide rail seat;

[0044] Figure 11 This is a schematic diagram showing the state when the pushing surface begins to contact the lever arm.

[0045] Figure 12 A schematic diagram showing the state of the plate after the guide arm drives the plate to rotate by a certain angle.

[0046] Figure 13 Schematic diagram of the state when the guide arm drives the clamping plate to rotate to near the closed position.

[0047] Figure 14 A schematic diagram illustrating how the guide arm drives the clamping plate to rotate to the closed position;

[0048] Figure 15 Axial view of all finger locks simultaneously open;

[0049] Figure 16 Axial view of all finger locks in the simultaneously closed state;

[0050] Figure 17 This is a schematic diagram showing the state of the power finger beam of the present invention when the outermost tubular column is taken;

[0051] Figure 18 This is a schematic diagram of the state when the innermost tubular column is taken as the power finger beam of the present invention.

[0052] Reference numerals: 1-finger beam, 2-finger beam lock, 21-lever arm, 22-clamping plate, 221-clamping plate inner hole, 23-torsion spring, 231-first torsion arm, 232-second torsion arm, 24-mounting ear, 25-shaft body, 26-limiting component, 27-lock seat, 3-guide rail, 31-tip part, 32-upper baffle, 33-push surface, 34-rack, 35-slider body, 4-drive device, 41-motor, 42-gear, 43-encoder, 5-guide rail seat, 51-wheel seat, 52-roller, 100-lever arm fastener, 200-first mounting plate, 300-mounting fastener, 400-second mounting plate, 500-wheel seat fastener, 600-axle, 700-drive seat, 800-column. Detailed Implementation

[0053] The present invention will be further described in detail below with reference to experimental examples and specific embodiments. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0054] The use of terms such as "horizontal," "vertical," and "suspended" in this invention does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," not that the structure must be completely horizontal, but can be slightly tilted. Alternatively, it can be simplified to mean that the corresponding device / component / element, when set in a specific direction such as "horizontal," "vertical," or "suspended," can have an error / deviation of ±10%, more preferably ±8%, more preferably ±6%, more preferably ±5%, and more preferably ±4% relative to that direction. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the solution of this invention.

[0055] Example 1

[0056] like Figure 1-18 As shown, a dynamic finger beam includes multiple finger beams 1, such as... Figure 1 As shown, twelve finger beam locks 2 and a drive device 4 are installed on a single finger beam 1. Each finger beam 1 is also equipped with a guide rail 3, which is driven by the drive device 4. The drive device 4 drives the guide rail 3 to reciprocate along the extension direction of the finger beam 1. The guide rail 3 includes a tip 31 and an upper baffle 32, with the upper baffle 32 located at the top of the tip 31. The finger beam lock 2 includes a lever arm 21, a locking plate 22, and a torsion spring 23. The lever arm 21 is fixedly connected to the locking plate 22, and the torsion spring 23 is elastically connected to the locking plate 22. The torsion spring 23 can drive the locking plate 22 to rotate to a first position. The tip 31 can lift the lever arm 21, and the surface of the tip 31 in contact with the lever arm 21 is a pushing surface 33, which guides the lever arm 21 to rotate. The guide rail 3 can drive the locking plate 22 to rotate to a second position, and the upper baffle 32 is used to limit the movement of the lever arm 21.

[0057] Specifically, such as Figure 9As shown, the drive device 4 includes a motor 41 and a gear 42. Both the motor 41 and gear 42 are mounted on the drive base 700. The motor 41 rotates, driving the gear 42 to rotate. In this embodiment, the motor 41 can be a commercially available servo motor. An encoder 43 is also mounted on the drive base 700. The encoder 43 is used to control the number of rotations of the gear 42. Setting the encoder 43 allows for precise feedback of the gear 42's rotation information, such as the number of rotations, speed, and position. Based on the encoder 43 feedback, closed-loop control of the motor 41's rotation of the gear 42 can be achieved, precisely adjusting the movement distance of the guide rail 3. The encoder 43 feedback information serves as an input signal, which, combined with the control algorithm, can accurately locate the position of the guide rail 3. The speed information fed back by the encoder 43 can be used to adjust the operation of the motor 41, achieving closed-loop speed control. The encoder 43 feedback can also be used for status monitoring to determine if the transmission system is faulty. Automated control of the guide rail 3's movement is achieved through the encoder 43 feedback. In this embodiment, the encoder 43 can be an optical incremental encoder, which has advantages such as high precision and good anti-interference capabilities.

[0058] like Figure 6 , 7 As shown. The guide rail 3 includes a rack 34. In this embodiment, the rack 34 can be understood as a rectangular metal plate. One side of the metal plate has teeth that can mesh with the gear 42. A tip 31 is installed at one end of the rectangular rack 34. Of course, it can be understood that both ends of the rectangular rack 34 that move along the extension direction of the finger beam 1 can be equipped with tip 31. An upper baffle 32 is fixedly installed on the upper long side of the rack 34, that is, the upper baffle 32 is also located on top of the tip 31. The length of the upper baffle 32 is basically the same as the length of the rack 34. A slider 35 is fixedly installed on the lower long side of the rack 34. The length of the slider 35 is basically the same as the length of the rack 34. Figure 6 As shown, the vertical cross-section of the sliding body 35 is convex.

[0059] like Figure 1 , 8 As shown in Figure 10, each finger beam 1 is also fixedly installed with at least two guide rail seats 5. Figure 1 The diagram shows at least thirteen guide rail seats 5, twelve of which are installed in positions that correspond to the twelve finger shank locks 2, and one guide rail seat 5 is installed closer to the drive unit 4 in the diagram. The guide rail seats 5 serve to precisely position and support the guide rails 3.

[0060] The guide rail seat 5 includes a wheel seat 51 disposed opposite to it, such as Figure 8As shown, two wheel seats 51 are fixedly connected to the second mounting plate 400 through wheel seat fasteners 500. It can be understood that the wheel seat fasteners 500 can be bolts, and the second mounting plate 400 can be fixedly connected to the finger beam 1 by bolts or welding. In this embodiment, the two wheel seats 51 mounted on the second mounting plate 400 are arranged oppositely to form an accommodating space, which is specifically a virtual "convex" shape. This accommodating space allows the sliding body 35 of the guide rail 3 to pass through. By setting symmetric wheel seats 51 and having the guide rail 3 pass through between the wheel seats 51, this structure can effectively limit and restrict the guide rail 3 so that it can only move along the extension direction of the finger beam 1, avoiding unnecessary lateral and vertical movements of the guide rail 3. A constraint relationship is formed between the wheel seat 51 and the guide rail 3, which not only makes the movement of the guide rail 3 smoother and more collinear, but also plays a certain guiding role to prevent the guide rail 3 from deviating from the center line of the finger beam 1, thereby improving the movement accuracy of the guide rail 3. Through the reasonable setting of the guide rail seat 5, the movement of the guide rail 3 can be made smoother and more collinear, effectively improving the movement accuracy and system reliability of the power finger beam of the present invention.

[0061] The sliding body 35 is arranged below the rack 34, which can prevent the rack 34 from directly contacting the wheel seat 51, thereby reducing friction. The sliding body 35 is embedded between the wheel seats 51 to achieve surface contact between the two, increasing the force-bearing area. The sliding body 35 can bear the longitudinal load during the movement of the guide rail 3, avoiding overloading the rack 34. Lubricating oil grooves and lubricating oil holes can also be provided on the sliding body 35 to lubricate the sliding surface. Compared with the direct contact between the rack 34 and the wheel seat 51, setting the sliding body 35 can reduce the wear between the two. The setting of the sliding body 35 optimizes the load distribution, makes the movement of the guide rail 3 smoother and more accurate, and extends the service life.

[0062] To make the movement of the guide rail 3 in the guide rail seat 5 smoother, as Figure 8 shown, a roller 52 is also installed in each wheel seat 51. Specifically, the roller 52 is installed in the wheel seat 51 through a wheel shaft 600. The roller 52 can directly contact the sliding body 35. The roller 52 and the guide rail 3 are in rolling contact, and the relative sliding is very small, which can reduce friction and energy loss. The rolling friction coefficient is much smaller than the sliding friction coefficient, which can reduce the resistance of the movement of the guide rail 3. The stress borne by the roller 52 when contacting the guide rail 3 is mainly rolling contact stress, which is much smaller than the shear stress in sliding friction. Therefore, the wear between the two can be reduced. The rotation of the roller 52 can also improve the movement smoothness of the guide rail 3, which is beneficial to collinear movement. By setting the roller 52, rolling contact is achieved between the wheel seat 51 and the guide rail 3, which is more reasonable than direct sliding contact, can reduce friction loss, and improve the movement accuracy and efficiency of the guide rail 3.

[0063] As Figure 2-5 shown is a specific structure of the finger beam lock 2 of this embodiment. As Figure 2As shown, the specific structure of the finger-beam lock 2 is as follows: two mounting ears 24 are fixedly connected to the lock base 27. The two mounting ears 24 are parallel to each other and arranged opposite to each other. The lock base 27 can be a rectangular metal plate. The mounting ears 24 are directly welded to the lock base 27. A space for a mounting plate 22 is formed between the two mounting ears 24. The mounting ears 24 have through holes for a shaft 25 to pass through. The shaft 25 passes through the two mounting ears 24, and the mounting plate 22 and torsion spring 23 are installed between the two mounting ears 24. In this embodiment, both the mounting plate 22 and the torsion spring 23 are sleeved on the outer surface of the shaft 25. Figure 2 As shown, the clamping plate 22 is tongue-shaped. The tongue-shaped clamping plate 22 is used to restrict the movement of the tubing 800, and its specific working method is described in detail later. The root of the clamping plate 22, that is, the end near the mounting ear 24, is concave. The main body of the torsion spring 23 is installed in this concave groove, as shown... Figure 3-5 As shown, the torsion spring 23 includes a first torsion arm 231 and a second torsion arm 232. The locking plate 22 has an inner hole 221. The first torsion arm 231 passes through the inner hole 221, and the second torsion arm 232 abuts against the locking seat 27.

[0064] The two walls of the inner groove at the base of the clamping plate 22 are respectively provided with a lever 21 and a limiting member 26, both of which are fixedly connected to the clamping plate 22. Figure 1 , 2 As shown, lever arm 21 is a cylinder extending from clamping plate 22. Lever arm 21 is fixed to clamping plate 22 by lever arm fastener 100, which can be a bolt. Limiting member 26 is a protrusion extending from clamping plate 22. Limiting member 26 can abut against mounting ear 24 to prevent clamping plate 22 from rotating excessively under the elastic action of torsion spring 23. Of course, it is foreseeable that the specific structure of limiting member 26 can also be other forms, that is, as long as it can cooperate with mounting ear 24 to limit clamping plate 22 from continuing to rotate. When no external force is applied, torsion spring 23 exerts its elastic action, causing clamping plate 22 to rotate around shaft 25. When limiting member 26 abuts against mounting ear 24, clamping plate 22 stops rotating. At this time, clamping plate 22 is in the first position, which is the state where clamping plate 22 is approximately vertical. Figure 3 At this time, the beam lock 2 is in the open state. For example... Figure 1 , 2 As shown, the lock seat 27 is fixedly connected to the first mounting plate 200 by mounting fasteners 300. Bolts can be used for mounting fasteners 300, and the first mounting plate 200 can be directly welded to the finger beam 1.

[0065] When the drive device 4 drives the guide rail 3 to move, the tip 31 of the guide rail 3 first contacts the lever arm 21. The surface where the tip 31 contacts the lever arm 21 is the pushing surface 33. As the guide rail 3 continues to move, the pushing surface 33 guides the lever arm 21 to move along the pushing surface 33, that is, the lever arm 21 gradually changes from a horizontal or nearly horizontal state to an inclined state, thereby causing the locking plate 22 to overcome the torque of the torsion spring 23 and flip downward. When the lever arm 21 has completed all the strokes of the pushing surface 33, the lever arm 21 is in a nearly vertical state, and the locking plate 22 is in the second position, which is a horizontal or nearly horizontal state. At this time, the finger beam lock 2 is in the closed state. Figure 4 As the guide rail 3 continues to move, the lever arm 21 contacts the upper baffle 32 located at the top of the tip 31. The lever arm 21 is limited by the upper baffle 32, which fixes the lever arm 21 in the closed position, ensuring that the clamping plate 22 remains closed.

[0066] like Figure 6 , 7 Figure 10 shows one form of the tip 31, which is approximately wedge-shaped to scoop up the lever arm 21. Specifically, the tip 31 can be a concave arc-shaped plate, in which case the pushing surface 33 is also arc-shaped, which can better match the rotation trajectory of the lever arm 21, allowing the lever arm 21 to rotate smoothly under the action of the pushing surface 33. Furthermore, the contact between the arc-shaped surface and the lever arm 21 is more stable, which can generate a larger rotational torque, thereby driving the lever arm 21 to rotate more reliably. Of course, it is foreseeable that the tip 31 can also be set as an inclined flat plate, in which case the pushing surface 33 is flat. The principle of the tip 31 is that after the sharp corner of the approximately wedge-shaped tip 31 scoops up the lever arm 21, the lever arm 21 moves under the guidance of the pushing surface 33.

[0067] The power finger beam provided by this invention simplifies the driving of the finger beam lock 2 through structural innovation. The finger beam lock 2 uses a torsion spring 23 to keep the locking plate 22 in the open state. When the pushing surface 33 of the tip 31 of the guide rail 3 contacts the lever arm 21, it pushes it upwards to generate rotation, driving the locking plate 22 to close. The upper baffle 32 of the guide rail 3 fixes the lever arm 21 in the closed position, ensuring that the locking plate 22 remains closed. When the guide rail 3 retracts, the upper baffle 32 releases the limit on the lever arm 21, and the torsion spring 23 performs an automatic reset function, returning the locking plate 22 to the open state. This structure fully utilizes the principles of spring reset and mechanical cooperation, eliminating the need for an independent drive device for each finger beam lock 2, greatly simplifying the system complexity. Compared to the existing technology where each finger beam lock requires an independent drive element, this invention only requires one drive device 4 to drive the guide rail 3 in reciprocating motion, which can control the automatic opening and closing of multiple finger beam locks 2 on the entire finger beam 1. This innovative structure significantly reduces the number of drive components, simplifies pipeline and cable connections, and lowers manufacturing and maintenance costs. At the same time, it achieves automatic control solely through mechanical motion, avoiding the complexity of control systems and improving reliability and safety.

[0068] Example 2

[0069] Based on Example 1, Example 2 provides a detailed description of the working process of the dynamic finger beam described in Example 1.

[0070] To improve work efficiency, the power finger beams used in practice generally have multiple single finger beams 1 as shown in Embodiment 1, such as... Figure 15 The diagram shows the state where all finger beam locks 2 are simultaneously open. During the operation of the powered finger beam, the motor 41 in the drive device 4 drives the gear 42 to rotate. The gear 42 meshes with the rack 34 on the guide rail 3, thereby driving the guide rail 3 along the extension direction of the finger beam 1 towards... Figure 15 The power finger lock moves in the opening direction. The tip 31 of the guide rail 3 contacts the lever arm 21 of each finger lock 2 in sequence. Initially, the elastic action of the torsion spring 23 drives the locking plate 22 in the finger lock 2 to a near-vertical first position, at which point the finger lock 2 is in the open state. Figure 11 As shown, when the tip 31 first contacts the lever arm 21, its wedge-shaped tip scoops up the lever arm 21, and the pushing surface 33 of the tip 31 makes the lever arm 21 move smoothly during the upward push. Figure 12 As shown, under the push of the tip 31, the lever arm 21 gradually changes from an approximately horizontal state to an inclined state. The guide rail 3 continues to move forward, as... Figure 13 , 14As shown, the lever arm 21 drives the locking plate 22, which is fixedly connected to it, to move from the first position to the second position. At this time, the locking plate 22 changes from vertical or nearly vertical to horizontal or nearly horizontal, and the finger beam lock 2 enters the closed state. After the lever arm 21 completes the entire movement stroke of the pushing surface 33, the upper baffle 32 fixedly arranged on the guide rail 3 also begins to limit the lever arm 21, fixing the lever arm 21 in the closed position, ensuring that the locking plate 22 is always in the second position, and ensuring that the locking plate 22 continues to remain in the closed state, until the guide rail 3 completes the closing of all finger beam locks 2 on a single finger beam 1. At this time, the power finger beam... Figure 16 As shown, all finger locks 2 are simultaneously in the closed state.

[0071] When guide rail 3 moves in the opposite direction as gear 42 rotates, as... Figure 17 The diagram shows the state when the outermost (i.e., the opening direction closest to the power finger beam) column 800 is to be removed. As can be seen from the diagram, the upper baffle 32 gradually disengages from the lever arm 21 of the finger beam lock 2, and the elastic action of the torsion spring 23 re-drives the locking plate 22 back to the approximately vertical first position, thus the finger beam lock 2 returns to the open state. Figure 18 The diagram illustrates the state when the innermost (i.e., the opening direction furthest from the power finger beam) pipe column 800 is to be removed. When the upper baffle 32 disengages from the lever arm 21 of the innermost finger beam lock 2, all finger beam locks 2 on a single finger beam 1 return to the open state, completing one cycle of closing and opening. Throughout the entire reciprocating motion of the guide rail 3, it sequentially drives each finger beam lock 2 to perform this working cycle, ultimately achieving sequential control of all finger beam locks 2 by the power finger beam.

[0072] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A power finger, characterized in that, The device includes multiple finger beams (1), each finger beam (1) is equipped with multiple finger beam locks (2) and a drive device (4), and each finger beam (1) is also equipped with a guide rail (3), which is driven by the drive device (4). The drive device (4) drives the guide rail (3) to reciprocate along the extension direction of the finger beam (1); the guide rail (3) includes a tip (31) and an upper baffle (32), the upper baffle (32) being located at the top of the tip (31); the finger beam locks (2) include a lever arm (21), a locking plate (22) and a torsion spring (23), the lever arm... (21) is fixedly connected to the card plate (22), the torsion spring (23) is elastically connected to the card plate (22), the torsion spring (23) can drive the card plate (22) to rotate to the first position; the tip (31) can scoop up the lever arm (21), the surface of the tip (31) in contact with the lever arm (21) is the pushing surface (33), the pushing surface (33) is used to guide the lever arm (21) to rotate, the guide rail (3) can drive the card plate (22) to rotate to the second position, and the upper baffle (32) is used to limit the lever arm (21).

2. A power finger according to claim 1, wherein The tip (31) is a concave arc-shaped plate.

3. A power finger according to claim 1, wherein The tip (31) is a flat plate.

4. A power finger according to claim 1, wherein The finger beam lock (2) also includes mounting ears (24) arranged opposite to each other and a shaft (25) passing through the mounting ears (24). The locking plate (22) and the torsion spring (23) are installed between the mounting ears (24). The locking plate (22) and the torsion spring (23) are sleeved on the shaft (25). The locking plate (22) is also fixedly connected to a limiting member (26). When the limiting member (26) contacts the mounting ears (24), it can limit the locking plate (22) from rotating to the first position and then continuing to rotate.

5. A power finger according to claim 4, wherein The finger-beam lock (2) also includes a lock seat (27), the mounting ears (24) are parallel to each other and fixedly connected to the lock seat (27), the torsion spring (23) includes a first torsion arm (231) and a second torsion arm (232), the locking plate (22) has a locking plate inner hole (221), the first torsion arm (231) passes through the locking plate inner hole (221), and the second torsion arm (232) abuts against the lock seat (27).

6. A power finger according to claim 1, wherein The guide rail (3) also includes a rack (34), the tip (31) is located at one end of the rack (34) along its length, the upper baffle (32) is disposed on the upper part of the rack (34) and extends along the length of the rack (34); the driving device (4) includes a motor (41) and a gear (42), the gear (42) meshes with the rack (34), the motor (41) can drive the gear (42) to rotate, thereby driving the guide rail (3) to reciprocate.

7. A power finger according to claim 6, wherein Each of the finger beams (1) is also fixedly mounted with at least two guide rail seats (5), each guide rail seat (5) including oppositely arranged wheel seats (51), the guide rail (3) being fitted between the wheel seats (51), the wheel seats (51) being used to restrict the guide rail (3) to move only along the extension direction of the finger beam (1).

8. A power finger according to claim 7, wherein The wheel seat (51) is equipped with a roller (52) that can contact the guide rail (3).

9. A dynamic finger beam according to claim 8, characterized in that, The guide rail (3) also includes a slider (35), which is disposed at the lower part of the rack (34) and extends along the length direction of the rack (34). The slider (35) can be embedded between the opposing wheel seats (51).

10. A dynamic finger beam according to any one of claims 6-9, characterized in that, The drive device (4) also includes an encoder (43) which is capable of controlling the number of rotations of the gear (42).

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