Automatic anchoring device for large gantry crane trolley

Abstract

The utility model discloses an automatic anchoring device for a large gantry crane trolley. The automatic anchoring device comprises a pulling plate, an elastic component, an electric cylinder, a lug plate and an anchoring pin shaft, the trolley and the anchoring seat are arranged left and right, a pulling plate is further horizontally and transversely arranged on the side, close to the anchoring seat, of the lower surface of the buffer support where the trolley walks, the left end of the pulling plate is vertically hinged to the buffer support where the trolley walks, the right end of the pulling plate extends towards the left side face of the anchoring seat, and an elastic assembly is further arranged on the portion, close to the left end, of the lower surface of the pulling plate; lug plates are further vertically and transversely arranged on the left side face of the anchoring base relative to the front side and the rear side of the pulling plate respectively, an electric cylinder is further horizontally and longitudinally arranged on the front side of the lug plate close to the front side, a hinge point of the electric cylinder is connected with the front end of the anchoring pin shaft which is horizontally and longitudinally arranged through a flexible link, and the anchoring pin shaft is driven by the electric cylinder to rotate. The anchoring pin shaft is sequentially inserted into the front side lug plate, the right end of the pulling plate and the rear side lug plate, and then trolley anchoring is achieved. Only one person is needed to complete anchoring operation, and the anchoring device is simple and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of large gantry cranes, in particular to an automatic anchoring device for a large gantry crane trolley. Background Art

[0002] The current large gantry crane trolley anchoring device is generally designed to be bulky due to the high height of the trolley and the strong wind force. Therefore, it usually requires the cooperation of multiple people to anchor the anchoring device; this makes it difficult for the gantry crane driver to complete the anchoring action independently. Therefore, the above problems need to be solved urgently. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an automatic anchoring device for a large gantry crane trolley. Through the coordinated use of a pull plate, an electric cylinder and an anchoring pin shaft, not only can the anchoring force requirements be met, but also only one person is required to complete the anchoring operation, which is simple and convenient, and improves efficiency.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the utility model is an automatic anchoring device for a large gantry crane trolley, and its innovation lies in: comprising a pull plate, an elastic component, an electric cylinder, an ear plate and an anchor pin; the trolley and the anchor seat are arranged on the left and right, and a pull plate is also horizontally provided on the lower surface of the buffer support for the trolley to travel near the anchor seat. The left end of the pull plate is vertically hinged with the buffer support for the trolley to travel, and its right end extends toward the left side surface of the anchor seat, and an elastic component is also provided on its lower surface near the left end, so as to achieve While limiting the clockwise downward rotation of the pull plate, the right end of the pull plate is tilted upward through the elastic component, and the pull plate has the ability to rotate downward; ear plates are vertically and horizontally provided on the left side of the anchor seat relative to the front and rear sides of the pull plate, and an electric cylinder is horizontally and longitudinally provided on the front side of the ear plate on the front side, and the hinge point of the electric cylinder is connected to the front end of the horizontally and longitudinally arranged anchor pin shaft by a flexible link, and under the drive of the electric cylinder, the anchor pin shaft is inserted into the front ear plate, the right end of the pull plate and the rear ear plate in sequence, thereby realizing the anchoring of the trolley.

[0005] Preferably, hinged seats are vertically and laterally provided on the lower surface of the buffer support for the travel of the trolley relative to the front and rear sides of the left end of the pull plate, and the two hinged seats are symmetrically arranged front to back and are spaced apart on the right side of the trolley frame for the travel of the trolley; a first rotating shaft is horizontally and longitudinally provided near the lower ends of the two hinged seats, the first rotating shaft vertically penetrates the front and rear surfaces of the pull plate near its left end, and the pull plate is vertically rotatably connected to the two hinged seats through the first rotating shaft.

[0006] Preferably, an L-shaped fixing seat is provided on the right side surface of the trolley frame for the travel of the trolley directly below the hinge seat, and the fixing seat does not interfere with the travel of the trolley; the vertical side of the fixing seat is screwed and fixed to the right side surface of the trolley frame for the travel of the trolley, and its horizontal side is horizontally arranged in the direction of the anchor seat, and ensures that the fixed end of the elastic component is fixedly installed on the inner surface of the horizontal side of the fixing seat near its end position; a first reinforcing plate is also provided between the horizontal side of the fixing seat and the inner surface of its vertical side, the first reinforcing plate is spaced apart from the hinge seat, and the horizontal side of the fixing seat is reinforced and supported by the first reinforcing plate, and ensures that the first reinforcing plate does not interfere with the vertical rotation of the pulling plate.

[0007] Preferably, the elastic component includes a buffer frame, a pressure plate, a support column, a bottom plate, a first spring and a rubber pad; the buffer frame is a horizontally arranged hollow rectangular structure, and a rubber pad is horizontally fitted and fixed on its upper surface; a pressure plate is also horizontally arranged in the middle position inside the buffer frame, the pressure plate is a rectangular structure matching the inside of the buffer frame, and its four sides are respectively tightly fitted on the inner side walls of the buffer frame; a plurality of first springs are evenly distributed and vertically arranged in a matrix on the upper surface of the pressure plate, the upper end of each of the first springs is respectively fixedly connected to the inner top surface of the buffer frame, and the lower end thereof is respectively fixedly connected to the upper surface of the pressure plate; support columns are also vertically symmetrically arranged at four right angles on the lower surface of the pressure plate, the upper end of each of the support columns is respectively fixedly connected to the pressure plate, and the lower end thereof extends vertically downward out of the lower surface of the buffer frame, each of the support columns is respectively vertically slidably connected to the buffer frame, and the lower end thereof is respectively fixedly connected to the upper surface of the horizontally arranged bottom plate.

[0008] Preferably, the lower end of the elastic component is screwed and fixed to the inner surface of the horizontal edge of the fixing seat through a bottom plate at its end position, and its upper end is in tight contact with the lower surface of the pull plate at its left end position through a rubber pad, thereby causing the right end of the pull plate to warp up and enabling the pull plate to rotate downward.

[0009] Preferably, the spring force of the first spring is required to ensure that when the pull plate is in the initial state, the upward tilt of the right end thereof reaches 5 mm.

[0010] Preferably, a fixing plate is provided vertically and longitudinally on the front surface of the anchor seat, close to its left edge and relative to the position of the electric cylinder, and a mounting plate is provided vertically and transversely in the middle position of the left side surface of the fixing plate; the electric cylinder is screwed and fixed to the front surface of the mounting plate, and its hinge extends out of the rear surface of the mounting plate and is flexibly connected to the front end of the anchor pin shaft, thereby driving the anchor pin shaft to perform horizontal longitudinal reciprocating motion; a third reinforcing plate is also horizontally and parallelly provided at an interval of up and down between the right side surface of the fixing plate and the anchor seat, and the fixing plate is reinforced and fixed by the third reinforcing plate; a second reinforcing plate is horizontally and vertically provided between the front surface of the mounting plate and the left side surface of the fixing plate and relative to the upper and lower sides of the electric cylinder, each of the second reinforcing plates does not interfere with the installation of the electric cylinder, and the mounting plate is reinforced and fixed by the second reinforcing plates.

[0011] Preferably, the rear end of the anchor pin is designed with a large taper, so as to have a guiding function when the anchor pin is inserted; a pin hole matching the anchor pin is vertically embedded in the left end of the front surface of each ear plate, and each pin hole vertically penetrates the rear surface of the corresponding ear plate, and both ends of the pin hole are designed with a tapered design, so as to facilitate the insertion of the anchor pin; a socket matching the anchor pin is vertically embedded in the right end of the front surface of the pull plate, and both ends of the socket are designed with a tapered design, so as to facilitate the insertion of the anchor pin; the spacing between the right end of the socket and the right end face of the pull plate needs to ensure that when the anchor pin is inserted into the socket for locking and fixing, the pull plate and the anchor seat do not contact.

[0012] Preferably, a proximity switch is provided on the left side surface of the anchor seat relative to the two ear plates and relative to the right end surface of the pull plate. The proximity switch is electrically connected to the electric cylinder, and its detection end is arranged toward the right end surface of the pull plate, and ensures that when the anchor pin shaft is inserted into the socket, the pull plate and the proximity switch do not interfere with each other, and then the proximity switch is used to determine whether the anchor pin shaft needs to be inserted.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model can not only meet the anchoring force requirements through the coordinated use of the pull plate, the electric cylinder and the anchor pin, but also only requires one person to complete the anchoring operation, which is simple and convenient, and improves efficiency;

[0015] (2) The utility model adopts a flexible connection between the hinge point of the electric cylinder and the anchor pin shaft, which can not only prevent the electric cylinder from being damaged due to shaking, but also compensate for the concentricity error between the anchor pin shaft and the pin hole;

[0016] (3) The pin holes of the ear plate of the utility model are tapered at both ends, which not only has a guiding function but also reduces the alignment accuracy required for the anchor pin shaft;

[0017] (4) The utility model provides an elastic component so that the pull plate can be slightly tilted upward in the initial state and has the ability to rotate downward, thereby ensuring that the anchor pin can be accurately locked. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The utility model is a structural schematic diagram of an automatic anchoring device for a large gantry crane trolley.

[0020] Figure 2 for Figure 1 Front view of .

[0021] Figure 3 for Figure 2 Medium AA view.

[0022] Figure 4 for Figure 2 Schematic diagram of the structure of the elastic component.

[0023] Among them, 1-buffer support for the trolley; 2-anchor seat; 3-fixed seat; 4-first reinforcement plate; 5-elastic component; 6-hinge seat; 7-pull plate; 8-first rotating shaft; 9-proximity switch; 10-ear plate; 11-electric cylinder; 12-anchor pin shaft; 13-fixed plate; 14-mounting plate; 15-second reinforcement plate; 16-third reinforcement plate; 17-trolley frame for the trolley; 51-buffer frame; 52-pressure plate; 53-first spring; 54-support column; 55-bottom plate; 56-rubber pad. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be clearly and completely described below through specific implementation methods.

[0025] The utility model discloses an automatic anchoring device for a large gantry crane trolley, comprising a pull plate 7, an elastic component 5, an electric cylinder 11, an ear plate 10 and an anchor pin 12; Figures 1 to 4As shown, the trolley and the anchor seat 2 are arranged on the left and right, and a pull plate 7 is horizontally provided on the lower surface of the buffer support 1 for the trolley to move near the anchor seat 2. The left end of the pull plate 7 is vertically hinged to the buffer support 1 for the trolley to move, and its right end extends toward the left side surface of the anchor seat 2, and an elastic component 5 is also provided on the left end of its lower surface, so that while limiting the clockwise downward rotation of the pull plate 7, the right end of the pull plate 7 is also tilted up by the elastic component 5, and the pull plate 7 has the ability to rotate downward.

[0026] like Figures 1 to 3 As shown, on the lower surface of the buffer support 1 for the trolley to travel, hinge seats 6 are also vertically and horizontally provided on the front and rear sides of the left end of the pull plate 7, and the two hinge seats 6 are symmetrically arranged front and back, and are respectively spaced apart on the right side of the trolley frame 17 for the trolley to travel; between the two hinge seats 6, a first rotating shaft 8 is also horizontally and longitudinally provided near their lower ends, and the first rotating shaft 8 vertically penetrates the front and rear surfaces of the pull plate 7 near its left end, and the pull plate 7 is vertically rotatably connected to the two hinge seats 6 through the first rotating shaft 8.

[0027] The utility model also has an L-shaped fixing seat 3 on the right side of the trolley frame 17 for the trolley to travel, directly below the hinge seat 6, and the fixing seat 3 does not interfere with the travel of the trolley; Figures 1 to 3 As shown, the vertical side of the fixed seat 3 is screwed and fixed to the right side surface of the trolley frame 17 for the trolley to travel, and its horizontal side is horizontally arranged in the direction of the anchor seat 2, and ensures that the fixed end of the elastic component 5 is fixedly installed on the inner surface of the horizontal side of the fixed seat 3 near its end position; a first reinforcing plate 4 is also provided between the horizontal side of the fixed seat 3 and the inner surface of its vertical side, and the first reinforcing plate 4 is spaced apart from the hinge seat 6, and the horizontal side of the fixed seat 3 is reinforced and supported by the first reinforcing plate 4, and ensures that the first reinforcing plate 4 does not interfere with the vertical rotation of the pull plate 7.

[0028] The elastic component 5 includes a buffer frame 51, a pressure plate 52, a support column 54, a bottom plate 55, a first spring 53 and a rubber pad 56; Figures 1 to 4As shown, the buffer frame 51 is a horizontally arranged hollow rectangular structure, and a rubber pad 56 is horizontally fitted and fixed on its upper surface; a pressure plate 52 is horizontally arranged in the middle position inside the buffer frame 51, and the pressure plate 52 is a rectangular structure matching the interior of the buffer frame 51, and its four sides are respectively tightly fitted on the inner side walls of the buffer frame 51; a number of first springs 53 are evenly distributed and vertically arranged in a matrix on the upper surface of the pressure plate 52, and the upper end of each first spring 53 is respectively fixedly connected to the inner top surface of the buffer frame 51, and the lower end thereof is respectively fixedly connected to the upper surface of the pressure plate 52; support columns 54 are vertically symmetrically arranged at four right angles on the lower surface of the pressure plate 52, and the upper end of each support column 54 is respectively fixedly connected to the pressure plate 52, and the lower end thereof extends vertically downward out of the lower surface of the buffer frame 51, and each support column 54 is respectively vertically slidably connected to the buffer frame 51, and the lower end thereof is respectively fixedly connected to the upper surface of the horizontally arranged bottom plate 55. The lower end of the elastic component 5 of the utility model is screwed and fixed to the inner surface of the horizontal edge of the fixing seat 3 through the bottom plate 55, and the upper end is in close contact with the lower surface of the pull plate 7 at its left end through the rubber pad 56, so that the right end of the pull plate 7 is tilted upward and the pull plate 7 has the ability to rotate downward; wherein, the spring force of the first spring 53 needs to ensure that when the pull plate 7 is in the initial state, the upward amplitude of its right end reaches 5mm.

[0029] The utility model also vertically and horizontally provides ear plates 10 on the left side of the anchor seat 2 relative to the front and rear sides of the pull plate 7, and also horizontally and longitudinally provides an electric cylinder 11 on the front side of the ear plate 10 near the front side. Figures 1 to 3 As shown, a fixing plate 13 is vertically and longitudinally provided on the front surface of the anchor seat 2 near its left edge and relative to the position of the electric cylinder 11, and a mounting plate 14 is vertically and transversely provided in the middle position of the left side of the fixing plate 13; the electric cylinder 11 is screwed and fixed to the front surface of the mounting plate 14, and its hinge extends out of the rear surface of the mounting plate 14, and is connected to the front end of the horizontally and longitudinally arranged anchor pin shaft 12 by a flexible link, thereby driving the anchor pin shaft 12 to perform horizontal and longitudinal reciprocating motion;

[0030] Among them, Figures 1 to 3 As shown, a third reinforcing plate 16 is horizontally and parallelly provided between the right side surface of the fixing plate 13 and the anchor seat 2 at an upper and lower interval, and the fixing plate 13 is reinforced and fixed by the third reinforcing plate 16; a second reinforcing plate 15 is horizontally and vertically provided between the front surface of the mounting plate 14 and the left side surface of the fixing plate 13 and relative to the upper and lower sides of the electric cylinder 11, each second reinforcing plate 15 does not interfere with the installation of the electric cylinder 11, and the mounting plate 14 is reinforced and fixed by the second reinforcing plates 15.

[0031] The rear end of the anchor pin 12 of the utility model adopts a large taper design, so that it has a guiding function when the anchor pin 12 is inserted; Figures 1 to 3As shown, a pin hole matching the anchor pin 12 is vertically embedded on the front surface of each ear plate 10 near its left end, and each pin hole vertically penetrates the rear surface of the corresponding ear plate 10, and both ends of the pin hole are designed with a cone, so as to facilitate the insertion of the anchor pin 12; a plug hole matching the anchor pin 12 is vertically embedded and penetrated on the front surface of the pull plate 7 near its right end, and both ends of the plug hole are designed with a cone, so as to facilitate the insertion of the anchor pin 12; wherein, the distance between the right end of the plug hole and the right end surface of the pull plate 7 needs to ensure that when the anchor pin 12 is inserted into the plug hole for locking and fixing, the pull plate 7 does not contact the anchor seat 2. Under the drive of the electric cylinder 11, the anchor pin 12 of the utility model is inserted into the pin hole of the front ear plate 10, the plug hole of the pull plate 7 and the pin hole of the rear ear plate 10 in sequence, so as to realize the anchoring of the trolley.

[0032] like Figures 1 to 3 As shown, a proximity switch 9 is provided on the left side surface of the anchor seat 2 between the two ear plates 10 and relative to the right end surface of the pull plate 7. The proximity switch 9 is electrically connected to the electric cylinder 11, and its detection end is set toward the right end surface of the pull plate 7, and ensures that when the anchor pin shaft 12 is inserted into the socket, the pull plate 7 and the proximity switch 9 do not interfere with each other, and then the proximity switch 9 is used to determine whether the anchor pin shaft 12 needs to be inserted; wherein, the type of proximity switch can be selected according to actual conditions, and it only needs to be able to detect that the pull plate 7 is in place with the movement of the trolley.

[0033] The working principle of the utility model is as follows: first, the trolley slowly moves forward to the anchoring position, at which time the pull plate 7 gradually approaches the anchoring seat 2, and when the proximity switch 9 detects that the pull plate 7 is in place, the electric cylinder 11 drives the anchoring pin 12 to be inserted into the pin hole of the front ear plate 10, the plug hole of the pull plate 7 and the pin hole of the rear ear plate 10 in sequence, and in this process, a conical design is used for guidance, and the plug hole and the pin hole are made coaxial through the downward deformation of the elastic component 5, thereby realizing the anchoring of the trolley.

[0034] Beneficial effects of the utility model:

[0035] (1) The utility model can not only meet the anchoring force requirements through the coordinated use of the pull plate 7, the electric cylinder 11 and the anchoring pin shaft 12, but also only requires one person to complete the anchoring operation, which is simple and convenient, and improves efficiency;

[0036] (2) The utility model adopts a flexible connection between the hinge point of the electric cylinder 11 and the anchor pin 12, which can not only prevent the electric cylinder 11 from being damaged due to shaking, but also compensate for the concentricity error between the anchor pin 12 and the pin hole;

[0037] (3) The pin holes of the ear plate 10 of the utility model are tapered at both ends, which not only has a guiding function but also reduces the alignment accuracy required for the anchor pin 12;

[0038] (4) The utility model provides an elastic component 5 so that the pull plate 7 can be slightly tilted upward in the initial state and has the ability to rotate downward, thereby ensuring that the anchor pin 12 can be accurately locked.

[0039] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have been fully recorded in the technical requirements.

Claims

1. An automatic anchoring device for a large gantry crane trolley, characterized in that: The trolley and the anchor seat are arranged on the left and right sides, and a pull plate is also arranged horizontally and transversely on the lower surface of the buffer support for the trolley to move, and the right end of the pull plate extends toward the left side of the anchor seat, and an elastic component is also arranged on the left end of its lower surface, so that while limiting the clockwise downward rotation of the pull plate, the right end of the pull plate is also tilted upward through the elastic component, and the pull plate has the ability to rotate downward; ear plates are also arranged vertically and transversely on the left side of the anchor seat relative to the front and rear sides of the pull plate, and an electric cylinder is also arranged horizontally and longitudinally on the front side of the ear plate on the front side, the hinge point of the electric cylinder is connected to the front end of the anchor pin arranged horizontally and longitudinally by a flexible link, and under the drive of the electric cylinder, the anchor pin is inserted into the front ear plate, the right end of the pull plate and the rear ear plate in sequence, so as to realize the anchoring of the trolley.

2. The automatic anchoring device for a large gantry crane trolley according to claim 1, characterized in that: On the lower surface of the buffer support for the trolley to travel, hinged seats are vertically and horizontally provided on the front and rear sides of the left end of the pull plate, and the two hinged seats are symmetrically arranged front and back, and are respectively arranged at intervals on the right side of the trolley frame for the trolley to travel; between the two hinged seats, a first rotating shaft is horizontally and longitudinally provided near the lower ends thereof, and the first rotating shaft vertically penetrates the front and rear surfaces of the pull plate near its left end, and the pull plate is vertically rotatably connected to the two hinged seats through the first rotating shaft.

3. The automatic anchoring device for a large gantry crane trolley according to claim 2 is characterized in that: An L-shaped fixed seat is also provided on the right side of the trolley frame for the trolley to be moved, directly below the hinge seat, and the fixed seat does not interfere with the movement of the trolley; the vertical side of the fixed seat is screwed and fixed to the right side of the trolley frame for the trolley to be moved, and its horizontal side is horizontally arranged in the direction of the anchor seat, and ensures that the fixed end of the elastic component is fixedly installed on the inner surface of the horizontal side of the fixed seat near its end position; a first reinforcing plate is also provided between the horizontal side of the fixed seat and the inner surface of its vertical side, the first reinforcing plate is spaced apart from the hinge seat, and the horizontal side of the fixed seat is reinforced and supported by the first reinforcing plate, and ensures that the first reinforcing plate does not interfere with the vertical rotation of the pull plate.

4. The automatic anchoring device for a large gantry crane trolley according to claim 3 is characterized in that: The elastic component includes a buffer frame, a pressure plate, a support column, a bottom plate, a first spring and a rubber pad; the buffer frame is a horizontally arranged hollow rectangular structure, and a rubber pad is also horizontally fitted and fixed on its upper surface; a pressure plate is also horizontally arranged in the middle position inside the buffer frame, the pressure plate is a rectangular structure matching the interior of the buffer frame, and its four sides are respectively tightly fitted on the inner side walls of the buffer frame; a plurality of first springs are also vertically arranged in a matrix and evenly spaced on the upper surface of the pressure plate, the upper end of each of the first springs is respectively fixedly connected to the inner top surface of the buffer frame, and the lower end thereof is respectively fixedly connected to the upper surface of the pressure plate; support columns are also vertically symmetrically arranged at four right angles on the lower surface of the pressure plate, the upper end of each of the support columns is respectively fixedly connected to the pressure plate, and the lower end thereof extends vertically downward out of the lower surface of the buffer frame, each of the support columns is respectively vertically slidably connected to the buffer frame, and the lower end thereof is respectively fixedly connected to the upper surface of the horizontally arranged bottom plate.

5. The automatic anchoring device for a large gantry crane trolley according to claim 4 is characterized in that: The lower end of the elastic component is screwed and fixed to the inner surface of the horizontal edge of the fixing seat through the bottom plate at its end position, and the upper end is in close contact with the lower surface of the pull plate at its left end position through a rubber pad, thereby causing the right end of the pull plate to bend upward and enabling the pull plate to rotate downward.

6. The automatic anchoring device for a large gantry crane trolley according to claim 5, characterized in that: The spring force of the first spring needs to ensure that when the pull plate is in the initial state, the upward tilt of the right end thereof reaches 5 mm.

7. The automatic anchoring device for a large gantry crane trolley according to claim 1, characterized in that: A fixing plate is provided vertically and longitudinally on the front surface of the anchor seat, near its left edge and relative to the position of the electric cylinder, and a mounting plate is also provided vertically and horizontally in the middle position of the left side surface of the fixing plate; the electric cylinder is screwed and fixed to the front surface of the mounting plate, and its hinge extends out of the rear surface of the mounting plate and is flexibly connected to the front end of the anchor pin shaft, thereby driving the anchor pin shaft to perform horizontal longitudinal reciprocating motion; a third reinforcing plate is also provided horizontally and parallelly at intervals between the right side surface of the fixing plate and the anchor seat, and the fixing plate is reinforced and fixed by the third reinforcing plate; a second reinforcing plate is also provided horizontally and symmetrically and vertically between the front surface of the mounting plate and the left side surface of the fixing plate and relative to the upper and lower sides of the electric cylinder, each of the second reinforcing plates does not interfere with the installation of the electric cylinder, and the mounting plate is reinforced and fixed by the second reinforcing plates.

8. The automatic anchoring device for a large gantry crane trolley according to claim 1, characterized in that: The rear end of the anchor pin is designed with a large taper, so it has a guiding function when inserting the anchor pin; a pin hole matching the anchor pin is vertically embedded in the left end of the front surface of each ear plate, and each pin hole vertically penetrates the rear surface of the corresponding ear plate, and both ends of the pin hole are designed with a tapered design, so as to facilitate the insertion of the anchor pin; a socket matching the anchor pin is vertically embedded in the right end of the front surface of the pull plate, and both ends of the socket are designed with a tapered design, so as to facilitate the insertion of the anchor pin; the distance between the right end of the socket and the right end face of the pull plate must ensure that when the anchor pin is inserted into the socket for locking and fixing, the pull plate and the anchor seat do not contact.

9. The automatic anchoring device for a large gantry crane trolley according to claim 8, characterized in that: A proximity switch is also provided on the left side surface of the anchor seat between the two ear plates and relative to the right end surface of the pull plate. The proximity switch is electrically connected to the electric cylinder, and its detection end is set toward the right end surface of the pull plate, and ensures that when the anchor pin shaft is inserted into the socket, the pull plate and the proximity switch do not interfere with each other, and then the proximity switch is used to determine whether the anchor pin shaft needs to be inserted.

Images