Low-wear anti-skewing gate guide mechanism

Abstract

The application relates to a low-abrasion anti-bias load gate guide mechanism and belongs to the technical field of gate guide, which comprises a fixed plate, a gate opening is formed in the fixed plate, symmetrical two sides of the fixed plate are fixedly connected with retainer cages, a gate plate is arranged between the two retainer cages, symmetrical two sides of the gate plate are provided with guide wheel assemblies matched with the retainer cages; the guide wheel assembly comprises a connecting column fixedly connected to the side of the gate plate, at least two first guide wheels, at least two second guide wheels and at least two third guide wheels are rotatably installed on the outer wall of the connecting column, and the rolling surfaces of the first guide wheels and the third guide wheels are vertically arranged along the horizontal plane. The application has the advantages of multidirectional stable guide, automatic abrasion compensation, abrasion state early warning and the like, and solves the problems that the existing flat gate guide structure can only realize unidirectional guide, the bias constraint of the gate plate is insufficient, the operation stability is poor, and the guide wheel cannot be timely detected and warned after being abraded.

Description

Technical Field

[0001] This invention relates to the field of gate guiding technology, specifically to a low-wear, anti-eccentric-load gate guiding mechanism. Background Technology

[0002] Traditional flat gates typically employ a sliding fit as their guiding mechanism, where the gate plate moves along the track via sliding friction during opening and closing. This sliding fit structure generates significant friction, making it prone to jamming.

[0003] To overcome the shortcomings of sliding fits, the industry has proposed various improvement schemes that use rolling guide wheels to replace sliding contact. However, existing guide wheel mechanisms still have many limitations.

[0004] A common approach is to install guide wheels at the front ends of the sliding edges on both sides of the gate to improve the smoothness of opening and closing through rolling friction. For example, the synchronous drive anti-jamming flat gate disclosed in Chinese patent CN204985798U alleviates the jamming phenomenon caused by asynchronous drive cylinders by adding front guide wheels. However, this approach only applies unidirectional guidance and fails to effectively constrain the displacement and deflection outside the gate plane, lacking multidirectional constraints.

[0005] Meanwhile, regarding wear compensation for guide wheels, Chinese patent CN105089013A discloses a method and connection structure for ensuring the normal operation of a flat plate fixed wheel steel gate. This method uses a stacked spring assembly and a telescopic automatic adjustment device to keep the wheel body elastically pressed against the track, achieving automatic compensation for wear gaps and preventing damage to the track and foundation from rigid impacts. However, this compensation scheme lacks the function of detecting and warning of wheel wear conditions. When wheel wear reaches its limit or the mechanism malfunctions, it cannot proactively remind maintenance personnel to replace it in time. It can only be detected during regular inspections or after faults such as jamming or misalignment occur, posing safety hazards and a high risk of unplanned downtime. Furthermore, the application of unidirectional guidance also results in poor operational stability.

[0006] Therefore, a low-wear, anti-eccentric-load gate guide mechanism is proposed to solve the problems mentioned above. Summary of the Invention

[0007] To address the shortcomings of existing technologies, this invention provides a low-wear anti-eccentricity gate guide mechanism, which has advantages such as multi-directional stable guidance, automatic wear compensation, and wear condition early warning. It solves the problems of existing flat gate guide structures that can only achieve unidirectional guidance, insufficient constraint on gate sway, poor operational stability, and inability to detect and warn of wear of guide wheels in a timely manner.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a low-wear anti-eccentric load gate guide mechanism, comprising a fixed plate, a gate opening on the fixed plate, retainers fixedly connected to both sides of the fixed plate, a gate plate between the two retainers, and guide wheel assemblies for cooperating with the retainers on both sides of the gate plate. The guide wheel assembly includes a connecting column fixedly connected to the side of the gate plate. At least two first guide wheels, at least two second guide wheels, and at least two third guide wheels are rotatably mounted on the outer wall of the connecting column. The rolling surface diameters of the first and third guide wheels are vertically arranged along the horizontal plane, and the rolling surface diameters of the second guide wheels are parallel to the horizontal plane. The connecting column has an assembly cavity inside, and an adaptive compensation component connected to the second guide wheel is provided inside the assembly cavity. The adaptive compensation component includes a first wedge block elastically installed inside the assembly cavity, a second wedge block fitted on the inclined surface of the first wedge block, a connecting guide block fixedly connected between the second wedge block and the second guide wheel seat, and a pressure sensor corresponding to the inner wall of the assembly cavity fixedly installed on the same side of the second wedge block as the connecting guide block.

[0009] Furthermore, a recessed bracket is fixedly installed on the retainer, and a guide rail that cooperates with the first guide wheel is fixedly connected to the inner side of the recessed bracket parallel to the inner wall of the retainer. The inner side of the recessed bracket is perpendicular to the inner wall of the retainer and cooperates with the second guide wheel.

[0010] Furthermore, the side of the gate plate near the gate opening is provided with a mating surface adapted to it, and a sealing ring is provided on the periphery of the gate opening.

[0011] Furthermore, the ends of the two retainers away from the fixed plate are connected to a reinforcing frame, on which a drive rod is mounted, and the output end of the drive rod is connected to the gate.

[0012] Furthermore, a first locking plate is provided at the end of the fixed plate away from the gate plate, a locking shaft adapted to the first locking plate is provided at the end of the gate plate near the fixed plate, a second locking plate is provided at the end of the gate plate away from the fixed plate, and a locking groove adapted to the second locking plate is provided at the end of the fixed plate near the gate plate. When the gate is fully closed, the first locking plate engages with the locking shaft, and the second locking plate engages with the locking slot.

[0013] Furthermore, both the first wedge and the second wedge are slidably installed inside the assembly cavity. The movement trajectories of the first wedge and the second wedge are perpendicular to each other. A movable insert shaft is fixedly connected to the end of the first wedge parallel to its movement trajectory. A compression spring is sleeved on the outer wall of the movable insert shaft. One end of the compression spring abuts against the end of the first wedge, and the other end of the compression spring abuts against the inner wall of the assembly cavity. The end of the movable insert shaft away from the first wedge is movably inserted into the interior of the connecting column.

[0014] Furthermore, after the pressure sensor contacts the corresponding inner wall of the assembly cavity, the second guide wheel reaches its maximum wear compensation stroke, and the pressure sensor sends a warning message to prompt the second guide wheel to be inspected or replaced.

[0015] A wear detection method, wherein the wear detection method for the second guide wheel includes: During the operation of the second guide wheel in conjunction with the cage, the second guide wheel experiences wear. After the second guide wheel wears out, the connecting guide block drives the second wedge block to move toward the first wedge block; The second wedge moves along the inclined surface of the first wedge and pushes the first wedge to slide inside the assembly cavity, so as to adaptively compensate for the position of the second guide wheel through the second wedge; As the wear of the second guide wheel increases, the pressure sensor gradually moves closer to the corresponding inner wall of the assembly cavity; When the pressure sensor contacts the corresponding inner wall of the assembly cavity, it determines that the second guide wheel has reached the maximum wear compensation stroke and sends a warning message. When the pressure sensor outputs a warning signal, it determines that the wear of the second guide wheel has reached a preset threshold, so as to prompt the second guide wheel to be inspected or replaced.

[0016] Compared with the prior art, the present invention provides a low-wear anti-eccentric loading gate guide mechanism, which has the following beneficial effects: 1. This low-wear anti-eccentric load gate guide mechanism, by setting a first guide wheel and a third guide wheel with rolling surface diameter perpendicular to the horizontal plane, and a second guide wheel with rolling surface diameter parallel to the horizontal plane, respectively bears out-of-plane load and lateral load, realizes multi-directional rolling guidance of the gate in the horizontal and vertical directions, effectively prevents out-of-plane displacement and deflection of the gate during opening and closing, and solves the problem that the existing guide wheel mechanism can only provide unidirectional guidance and has poor operational stability.

[0017] 2. This low-wear anti-eccentric loading gate guide mechanism, through the set adaptive compensation component, can automatically push the guide wheel to move slightly in the direction of the track when the second guide wheel wears, realize automatic compensation of wear gap, avoid rigid impact and jamming caused by increased gap, and improve the stability and reliability of the mechanism operation.

[0018] 3. In this low-wear anti-eccentric load gate guide mechanism, when the water pressure in the pipeline pushes the gate, the third guide wheel is the first to contact the track surface to bear and buffer the water pressure impact, avoiding the first guide wheel with a larger diameter from directly hitting the track and causing deformation and damage, thus protecting the main roller and extending the service life of the guide wheel.

[0019] 4. This low-wear anti-eccentric load gate guide mechanism, through the installation of a pressure sensor, triggers when the wear of the second guide wheel gradually increases and the second wedge block is continuously pushed forward until the pressure sensor contacts the inner wall of the assembly cavity. The pressure sensor is then activated and sends an early warning signal to the maintenance personnel. This achieves online monitoring of the wear status of the guide wheel and early warning of extreme wear, filling the technical gap of existing compensation schemes that cannot detect the wear limit state, pose safety hazards, and have the risk of unplanned downtime. Attached Figure Description

[0020] Figure 1 This is a perspective view of the front structure of the present invention; Figure 2 This is a perspective view of the rear structure of the present invention; Figure 3 This is a schematic diagram of the guide wheel assembly of the present invention; Figure 4 This is a schematic diagram of the structure of the recessed frame of the present invention; Figure 5 This is a cross-sectional view of the connecting column of the present invention; Figure 6 This is a schematic diagram of the adaptive compensation component of the present invention.

[0021] In the diagram: 1. Fixed plate; 11. First clamping plate; 2. Gate; 21. Sealing ring; 3. Retainer; 31. Recessed frame; 32. Guide rail; 4. Gate plate; 41. Mating surface; 42. Second clamping plate; 43. Connecting column; 431. Assembly cavity; 44. First guide wheel; 45. Second guide wheel; 46. Adaptive compensation component; 461. First wedge; 462. Second wedge; 463. Connecting guide block; 464. Movable insert shaft; 465. Compression spring; 466. Pressure sensor; 47. Third guide wheel; 5. Reinforcing frame; 6. Drive rod. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Example 1 Please see Figures 1 to 6This embodiment of a low-wear, anti-eccentric-load gate guide mechanism includes a fixed plate 1 with a gate 2 for fluid passage. Retainers 3 are fixedly connected to both symmetrical sides of the fixed plate 1, and a gate 4 is positioned between the two retainers 3. The gate 4 can move up and down along the retainers 3 to open and close the gate 2. Guide wheel assemblies that roll in cooperation with the retainers 3 are provided on both symmetrical sides of the gate 4 to guide and constrain the operating posture of the gate 4. A sealing ring 21 is provided around the gate 2, and a mating surface 41 adapted to the sealing ring 21 is provided on the side of the gate 4 near the gate 2. When the gate 4 is fully closed, the mating surface 41 presses against the sealing ring 21 to achieve a watertight seal.

[0024] Two retainers 3, with their ends away from the fixed plate 1, are connected to a reinforcing frame 5 to enhance the structural rigidity and integrity between the two retainers 3. A drive rod 6 is mounted on the reinforcing frame 5, and the output end of the drive rod 6 is connected to the gate plate 4 to drive the gate plate 4 to move up and down along the retainers 3, thereby opening and closing the gate 2. A first locking plate 11 is provided at the end of the fixed plate 1 away from the gate plate 4, and a locking shaft adapted to the first locking plate 11 is provided at the end of the gate plate 4 near the fixed plate 1. A second locking plate 42 is provided at the end of the gate plate 4 away from the fixed plate 1, and a locking groove adapted to the second locking plate 42 is provided at the end of the fixed plate 1 near the gate plate 4. In the fully closed state of the gate plate 4, the first locking plate 11 cooperates with the locking shaft, and the second locking plate 42 cooperates with the locking groove. The two work together to form a mechanical limit at both ends of the gate plate, further ensuring the positioning accuracy and water-stopping reliability when the gate is fully closed, while also being able to withstand some water pressure loads.

[0025] In this embodiment, the guide wheel assembly includes a connecting post 43 fixedly connected to the side of the gate plate 4. At least two first guide wheels 44, at least two second guide wheels 45, and at least two third guide wheels 47 are rotatably mounted on the outer wall of the connecting post 43. The rolling surface diameters of the first guide wheels 44 and the third guide wheels 47 are vertically arranged along the horizontal plane, while the rolling surface diameters of the second guide wheels 45 are parallel to the horizontal plane. Specifically, the rolling surface diameters of the first guide wheels 44 and the third guide wheels 47 are vertically arranged along the horizontal plane, meaning that the axes of the first guide wheels 44 and the third guide wheels 47 roll in the horizontal direction and the wheel surfaces roll in the vertical direction, for bearing and transmitting out-of-plane loads. The rolling surface diameters of the second guide wheels 45 are parallel to the horizontal plane, meaning that the axes of the second guide wheels 45 roll in the vertical direction and the wheel surfaces roll in the horizontal direction, for bearing and transmitting lateral loads.

[0026] Through the cooperation of the first guide wheel 44, the second guide wheel 45 and the third guide wheel 47, the gate plate 4 is guided to roll in multiple directions in the horizontal and vertical directions, effectively preventing out-of-plane displacement and deflection of the gate plate during opening and closing.

[0027] It should be noted that a recessed bracket 31 is fixedly installed on the retainer 3. The inner side of the recessed bracket 31 has two mutually perpendicular guide surfaces. Among them, a guide rail 32 is fixedly connected to the inner wall of the retainer 3, which rolls with the wheel surface of the first guide wheel 44. This guide rail is used to bear out-of-plane loads, changing the sliding friction between the gate and the gate frame to rolling friction between the first guide wheel 44 and the rail, effectively reducing gate wear and increasing the service life of the gate. The guide surface is directly formed perpendicular to the inner wall of the retainer 3 and rolls with the wheel surface of the second guide wheel 45. This guide rail is used to bear lateral loads. When the gate moves, due to the impact of water flow, the gate may... Lateral deflection can cause sliding friction between the side of the gate and the inner side of the guide rail, and in severe cases, even jamming. By installing second guide wheels 45 on both sides, normally the guide wheels do not contact the side of the guide rail. When the gate tilts, at least the diagonally opposite second guide wheels 45 come into contact with the rail and roll, effectively reducing friction, extending service life, and preventing jamming caused by tilting. The third guide wheel 47 rolls in contact with the inner wall of the recess 31, parallel to the other side of the retainer 3. This inner wall is opposite to the guide rail 32 that mates with the first guide wheel 44, thus the third guide wheel 47 and the first guide wheel 44 together restrict the bidirectional out-of-plane displacement of the gate 4. The multi-faceted engagement structure of the recess 31 with the first guide wheel 44, the second guide wheel 45, and the third guide wheel 47 achieves multi-directional constraint on the gate 4.

[0028] The gate 4 is also provided with a wedge-shaped limiting structure, and the retainer 3 is provided with a wedge-shaped limiting seat that cooperates with the wedge-shaped limiting structure. This is used to wedge the gate 4 tightly in the gate groove when the gate 4 is fully closed, to ensure the reliability of the water-stop seal, and at the same time, it can withstand part of the water pressure load.

[0029] Understandably, when gate 2 is opened, the wedge-shaped limiting structure of gate 4 first disengages from the wedge-shaped limiting seat on retainer 3. At this time, there may be pressurized water flow in the pipeline, and the water pressure suddenly acts on the outward direction of gate 4, generating a large outward thrust on the first guide wheel 44. Since the first guide wheel 44 has a large diameter, it is more prone to deformation when suddenly subjected to water pressure. If it directly impacts guide rail 32, it will cause damage to the wheel or rail. The wheel surface of the third guide wheel 47 faces opposite to that of the first guide wheel 44, and the third guide wheel 47 has a relatively small diameter and better structural rigidity. When water pressure pushes gate 4, the third guide wheel 47 first contacts the corresponding inner wall of recess 31, bearing and buffering the water pressure impact, thus protecting the first guide wheel 44 and preventing it from directly impacting the rail surface and causing deformation, thereby extending the service life of the guide wheel.

[0030] Furthermore, the connecting column 43 has an assembly cavity 431 inside, and an adaptive compensation component 46 connected to the second guide wheel 45 is disposed inside the assembly cavity 431 for automatically compensating for wheel-rail clearance when the second guide wheel 45 wears. Specifically, the adaptive compensation component 46 includes a first wedge 461 and a second wedge 462 slidably mounted in the assembly cavity 431. The movement trajectories of the first wedge 461 and the second wedge 462 are perpendicular to each other. The first wedge 461 has an inclined surface, and one side of the second wedge 462 has an inclined surface that cooperates with the inclined surface. The other side of the second wedge 462 is fixedly connected to the guide wheel seat of the second guide wheel 45 through a connecting guide block 463. A movable insert shaft 464 is fixedly connected to one end of the first wedge 461 along its direction of movement. A compression spring 465 is sleeved on the outer wall of the movable insert shaft 464. One end of the compression spring 465 abuts against the end of the first wedge 461, and the other end abuts against the inner wall of the assembly cavity 431, thereby keeping the first wedge 461 in an elastic installation state within the assembly cavity 431. The end of the movable insert shaft 464 away from the first wedge 461 is movably inserted into the interior of the connecting post 43, serving to guide the direction of movement of the first wedge 461. A pressure sensor 466 is fixedly installed on the second wedge 462, located on the same side as the connecting guide block 463. The pressure sensor 466 is positioned opposite to the corresponding inner wall of the assembly cavity 431.

[0031] As the second guide wheel 45 gradually wears down and its outer diameter decreases during operation, the first wedge 461 is pushed towards the second wedge 462 under the elastic force of the compression spring 465. The second wedge 462 slides along the inclined surface of the first wedge 461, thereby driving the second guide wheel 45 to move slightly towards the guide rail surface through the connecting guide block 463, achieving adaptive compensation for the wear gap. As the wear of the second guide wheel 45 continues to increase, the second wedge 462 continuously advances towards the first wedge 461, and the pressure sensor 466 also gradually approaches the corresponding inner wall of the assembly cavity 431 along with the second wedge 462. When the pressure sensor 466 contacts the corresponding inner wall of the assembly cavity 431, it indicates that the second guide wheel 45 has reached its maximum wear compensation stroke. At this time, the pressure sensor 466 is triggered by pressure and sends a warning signal to the maintenance personnel, indicating that the wear of the second guide wheel 45 has reached the preset threshold and needs to be repaired or replaced in time.

[0032] In this embodiment, the wear detection method for the second guide wheel 45 includes the following steps: During the operation of the second guide wheel 45 in conjunction with the cage 3, the second guide wheel 45 wears down due to long-term rolling friction with the inner wall of the recess 31, and the outer diameter of the wheel gradually decreases. After the second guide wheel 45 wears out, under the elastic force of the compression spring 465, the connecting guide block 463 drives the second wedge block 462 to move toward the first wedge block 461. The second wedge 462 slides along the inclined surface of the first wedge 461, pushing the first wedge 461 to move against the spring force inside the assembly cavity 431. At the same time, the second wedge 462 pushes the second guide wheel 45 towards the track direction through the connecting guide block 463, realizing adaptive compensation for the position of the second guide wheel 45. As the wear of the second guide wheel 45 gradually increases, the second wedge 462 continues to advance towards the first wedge 461, and the pressure sensor 466 gradually approaches the corresponding inner wall of the assembly cavity 431. When the pressure sensor 466 contacts the inner wall of the assembly cavity 431, the pressure sensor 466 is pressed and determines that the second guide wheel 45 has reached the maximum wear compensation stroke. The pressure sensor 466 then sends a warning message. When the pressure sensor 466 continues to output the warning signal, it determines that the wear of the second guide wheel 45 has exceeded the preset threshold, prompting the maintenance personnel to immediately inspect or replace the second guide wheel 45.

[0033] Working principle: When gate 2 needs to be closed, the drive rod 6 pushes the gate plate 4 to move along the retainer 3. During the movement, the first guide wheel 44 rolls along the guide rail 32 to constrain the out-of-plane displacement of the gate plate 4, the third guide wheel 47 rolls along the inner wall of the other side of the recess 31 to constrain the out-of-plane displacement of the gate plate 4 on the other side, and the second guide wheel 45 rolls along the vertical inner wall of the recess 31 to constrain the lateral displacement of the gate plate 4. When the gate plate 4 reaches the fully closed position, the mating surface 41 presses against the sealing ring 21, and at the same time, the first clamping plate 11 engages with the clamping shaft, and the second clamping plate 42 engages with the clamping groove, completing the closure and water stop of gate 2. When gate 2 needs to be opened, the drive rod 6 pulls the gate plate 4 upward along the retainer 3, and the first guide wheel 44, the second guide wheel 45, and the third guide wheel 47 roll along their respective track surfaces, and the gate plate 4 opens smoothly.

[0034] During long-term operation, if the second guide wheel 45 wears, the adaptive compensation component 46 will automatically compensate for the wheel-rail clearance, and when the wear reaches the preset limit, the pressure sensor 466 will issue an early warning to realize online monitoring of the wear status.

[0035] Example 2 The main difference between this embodiment and Embodiment 1 is that adaptive compensation components 46 are also configured on the first guide wheel 44 and the third guide wheel 47. Since the first guide wheel 44 and the third guide wheel 47 bear out-of-plane loads, the second guide wheel 45 bears lateral loads, and the wheel surfaces of the third guide wheel 47 and the first guide wheel 44 face opposite directions, the force directions of the three are different. Therefore, the orientation of the adaptive compensation components 46 on the first guide wheel 44 and the third guide wheel 47 needs to be adjusted accordingly.

[0036] Specifically, taking the first guide wheel 44 as an example: the adaptive compensation component 46 of the first guide wheel 44 is installed in the connecting column 43 at another assembly cavity corresponding to the first guide wheel 44 or at an out-of-plane position of the gate plate 4. The connection direction between its second wedge and the guide wheel seat of the first guide wheel 44, as well as the sliding direction of the first wedge and the second wedge, are adapted to the force and wear compensation direction of the first guide wheel 44, so that the first guide wheel 44 can compensate for the gap in the out-of-plane direction when wear occurs. When the first guide wheel 44 is worn, its corresponding adaptive compensation component 46 also achieves automatic compensation through wedge linkage and spring preload, and issues an early warning by the corresponding pressure sensor 466 when the maximum compensation stroke is reached.

[0037] In this embodiment, by configuring adaptive compensation components 46 on the first guide wheel 44, the second guide wheel 45, and the third guide wheel 47 respectively, multi-directional clearance compensation and wear monitoring are achieved, further improving the long-term stability and maintenance convenience of the guide wheel mechanism.

[0038] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0039] The above description is a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and concept of the present application, should be covered within the scope of protection of the claims of the present invention.

Claims

1. A low-wear anti-eccentric load gate guide mechanism, characterized in that: Includes a fixed plate (1), on which a gate (2) is provided, and a retainer (3) is fixedly connected to both sides of the fixed plate (1), and a gate (4) is provided between the two retainers (3), and guide wheel assemblies for cooperating with the retainers (3) are provided on both sides of the gate (4). The guide wheel assembly includes a connecting column (43) fixedly connected to the side of the gate (4). At least two first guide wheels (44), at least two second guide wheels (45), and at least two third guide wheels (47) are rotatably mounted on the outer wall of the connecting column (43). The rolling surface diameters of the first guide wheels (44) and the third guide wheels (47) are set vertically along the horizontal plane, and the rolling surface diameters of the second guide wheels (45) are set parallel to the horizontal plane. The connecting column (43) has an assembly cavity (431) inside, and an adaptive compensation component (46) connected to the second guide wheel (45) is provided inside the assembly cavity (431). The adaptive compensation component (46) includes a first wedge (461) elastically installed inside the assembly cavity (431), a second wedge (462) fitting on the inclined surface of the first wedge (461), a connecting guide block (463) fixedly connected between the second wedge (462) and the guide wheel seat of the second guide wheel (45), and a pressure sensor (466) corresponding to the inner wall of the assembly cavity (431) fixedly installed on the same side of the second wedge (462) on the connecting guide block (463).

2. The low-wear anti-eccentric loading gate guide mechanism according to claim 1, characterized in that: A recessed bracket (31) is fixedly installed on the retainer (3). A guide rail (32) that cooperates with the first guide wheel (44) is fixedly connected to the inner side of the recessed bracket (31) parallel to the inner wall of the retainer (3). The inner side of the recessed bracket (31) is perpendicular to the inner wall of the retainer (3) and cooperates with the second guide wheel (45).

3. The low-wear anti-eccentric loading gate guide mechanism according to claim 1, characterized in that: The gate (4) has a mating surface (41) that is compatible with the gate (2) on the side of the gate (4), and a sealing ring (21) is provided on the periphery of the gate (2).

4. The low-wear anti-eccentric loading gate guide mechanism according to claim 1, characterized in that: The two retainers (3) are connected to a reinforcing frame (5) at the ends away from the fixed plate (1). A drive rod (6) is installed on the reinforcing frame (5), and the output end of the drive rod (6) is connected to the gate (4).

5. The low-wear anti-eccentricity gate guide mechanism according to claim 1, characterized in that: The fixed plate (1) is provided with a first card plate (11) at one end away from the gate plate (4), the gate plate (4) is provided with a card shaft adapted to the first card plate (11) at one end near the fixed plate (1), the gate plate (4) is provided with a second card plate (42) at one end away from the fixed plate (1), and the fixed plate (1) is provided with a card groove adapted to the second card plate (42) at one end near the gate plate (4). When the gate (4) is fully closed, the first card plate (11) cooperates with the card shaft, and the second card plate (42) cooperates with the card slot.

6. The low-wear anti-eccentricity gate guide mechanism according to claim 1, characterized in that: The first wedge (461) and the second wedge (462) are both slidably installed inside the assembly cavity (431). The movement trajectories of the first wedge (461) and the second wedge (462) are perpendicular to each other. The end of the first wedge (461) parallel to its movement trajectory is fixedly connected to a movable insert shaft (464). A compression spring (465) is sleeved on the outer wall of the movable insert shaft (464). One end of the compression spring (465) abuts against the end of the first wedge (461), and the other end of the compression spring (465) abuts against the inner wall of the assembly cavity (431). The end of the movable insert shaft (464) away from the first wedge (461) is movably inserted into the interior of the connecting column (43).

7. The low-wear anti-eccentric loading gate guide mechanism according to claim 1, characterized in that: After the pressure sensor (466) contacts the inner wall of the assembly cavity (431), the second guide wheel (45) reaches its maximum wear compensation stroke, and the pressure sensor (466) sends a warning message to prompt the second guide wheel (45) to be inspected or replaced.

8. A wear detection method, applied to the low-wear anti-eccentric loading gate guide mechanism according to any one of claims 1-7, characterized in that, The wear detection method for the second guide wheel (45) includes: S1. During the operation of the second guide wheel (45) and the cage (3), the second guide wheel (45) is worn. S2. After the second guide wheel (45) wears out, the connecting guide block (463) drives the second wedge block (462) to move toward the first wedge block (461); S3. The second wedge (462) moves along the inclined surface of the first wedge (461) and pushes the first wedge (461) to slide inside the assembly cavity (431) so as to adaptively compensate the position of the second guide wheel (45) through the second wedge (462); S4. As the wear of the second guide wheel (45) increases, the pressure sensor (466) gradually approaches the corresponding inner wall of the assembly cavity (431); S5. When the pressure sensor (466) contacts the inner wall of the assembly cavity (431), it is determined that the second guide wheel (45) has reached the maximum wear compensation stroke, and the pressure sensor (466) sends a warning message. When the pressure sensor (466) outputs a warning signal, it is determined that the wear of the second guide wheel (45) has reached the preset threshold, so as to prompt the second guide wheel (45) to be inspected or replaced.

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