Travelling anchor device for large port crane and method of use

Abstract

The application discloses a trolley anchoring device of a large port crane and a use method thereof, and relates to the technical field of port cranes. The port crane is provided with a trolley running mechanism and a cross beam; a positioning plate is arranged below the cross beam; positioning holes are formed in the positioning plate; a supporting column is arranged on the cross beam; a lifting block capable of lifting up and down is arranged on the supporting column; a movable rod and a limiting rod are arranged on the lifting block; a positioning rod is arranged in the supporting column; the positioning rod is in elastic sliding connection with the supporting column; the positioning rod is provided with a movable hole and a limiting hole; the movable rod is arranged in the movable hole, and the limiting rod is arranged in the limiting hole; the trolley anchoring device has the beneficial effects that the reciprocating elastic positioning rod can automatically extend into the positioning hole during anchoring, and compared with manual alignment with an anchoring seat, the anchoring efficiency can be improved, and rapid anchoring work can be performed.

Description

TECHNICAL FIELD

[0001] The present application relates to a large port crane trolley anchoring device and method of use. BACKGROUND

[0002] Port cranes are all in the form of wheel and rail, that is, the crane is supported by steel wheels and walks along the steel rails laid on the wharf surface. Under normal working wind speed, the port crane can walk along the wharf surface. When the wind speed exceeds the normal value, the port crane must be located at the designated position of the wharf, the trolley is braked, the wheel or rail clamping device works, the windproof lock is installed in place, and most importantly, the anchoring device must be lowered to the anchoring seat, so as to ensure that the crane is limited to a safe fixed position and cannot move.

[0003] The prior art such as Chinese Patent No. CN209242506U discloses a crane automatic anchoring device, which comprises a motor, a transmission mechanism, a bracket, an insertion plate and a limit detection device. The motor is fixed to the bracket, the insertion plate extends vertically and is vertically slidably connected to the bracket, the bracket is provided with a guide groove for the insertion plate to pass through, the insertion plate is connected to the guide groove and the bottom end of the insertion plate extends out of the bottom of the bracket, the motor is connected to the insertion plate through the transmission mechanism, and the transmission mechanism is used for converting the rotary power of the motor into the vertical sliding driving force of the insertion plate; the limit detection device is installed on the bracket, and the limit detection device has an upper limit position probe and a lower limit position probe for detecting the vertical sliding of the insertion plate. The upper limit position probe and the lower limit position probe correspond to the upper stop point and the lower stop point of the insertion plate, respectively. The utility model can realize automatic anchoring of the crane and reduce the workload of the driver.

[0004] However, the above-mentioned scheme needs to align the insertion plate with the anchoring seat before anchoring, but due to the large size of the port crane, it is not convenient to operate during alignment, which can easily reduce the anchoring efficiency. In view of this, the present application provides a large port crane trolley anchoring device and method of use to solve the above-mentioned problems. SUMMARY

[0005] The present application aims to provide a large port crane trolley anchoring device and method of use to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A large port crane trolley anchoring device, comprising:

[0008] A port crane, which is provided with a trolley walking mechanism and a cross beam;

[0009] A positioning plate is arranged below the cross beam, and a positioning hole is formed in the positioning plate;

[0010] A support column is arranged on the cross beam; a lifting block capable of lifting is arranged on the support column; an activity rod and a limiting rod are arranged on the lifting block;

[0011] A positioning rod is arranged in the support column; the positioning rod is elastically and slidably connected with the support column; the positioning rod is provided with an activity hole and a limiting hole; the activity rod is arranged in the activity hole, and the limiting rod is arranged in the limiting hole;

[0012] The activity rod is lifted in the activity hole, so that the positioning rod reciprocally and elastically moves;

[0013] The limiting rod is in contact with the limiting hole, so that the positioning rod is limited in the limiting hole.

[0014] As an improvement of the above technical scheme, the support column is provided with a cavity, the cavity is provided with a center plate, the center plate is provided with a spring, and the positioning rod is connected with the spring.

[0015] As an improvement of the above technical scheme, the support column is provided with a lifting hole, and the limiting rod and the activity rod are in contact with the positioning rod through the lifting hole.

[0016] The support column is further provided with a mounting groove, the mounting groove is provided with an electric hydraulic rod, and the electric hydraulic rod is connected with the lifting block.

[0017] As an improvement of the above technical scheme, the activity rod is provided with an adjusting inclined block, the activity hole is provided with an adjusting inclined surface, the adjusting inclined block is lifted to be in contact with the adjusting inclined surface, so that the positioning rod moves towards the center plate.

[0018] As an improvement of the above technical scheme, a plurality of first balls in rolling connection are arranged on the adjusting inclined block, and the first balls are in contact with the surface of the adjusting inclined surface.

[0019] As an improvement of the above technical scheme, the positioning plate is provided with a sliding groove.

[0020] A second ball in rolling connection is arranged on the positioning rod, and the second ball slides in the sliding groove.

[0021] As an improvement of the above technical scheme, the support column is provided with a connecting hole.

[0022] The lifting block is symmetrically provided with two groups, a connecting rod is arranged between the two groups of lifting blocks, and the connecting rod is slidably arranged in the connecting hole.

[0023] As an improvement of the above technical scheme, the support column is provided with an integrally formed connecting plate, the connecting plate is connected with the cross beam through bolts, and the connecting plate is connected at the center position of the cross beam.

[0024] A method for using a trolley anchoring device of a large port crane, comprising the following steps:

[0025] S1, positioning and installing:

[0026] The connecting plate is connected with the cross beam and is arranged at the center of the cross beam, and the second ball is aligned with the sliding groove;

[0027] S2, lifting and contacting:

[0028] The electric hydraulic rod drives the lifting block to lift, so that the adjusting inclined block contacts with the adjusting inclined surface, the positioning rod is driven to move towards the center plate, the spring is compressed, and the positioning rod is not in contact with the positioning plate;

[0029] S3, anchoring and limiting:

[0030] When anchoring, the electric hydraulic rod drives the lifting block to descend, so that the adjusting inclined block is not in contact with the adjusting inclined surface, the spring is reset, the positioning rod is driven to move towards the positioning plate, and the second ball is in contact with the sliding groove;

[0031] S4, slowly moving:

[0032] The trolley running mechanism drives the cross beam, the supporting column and the positioning rod to move, because the positioning rod is in elastic contact with the sliding groove, when the positioning rod moves to the positioning hole, the spring continues to drive the positioning rod to move towards the positioning plate, so that the positioning rod extends into the positioning hole, and the trolley running mechanism stops moving;

[0033] S5, strengthening and limiting:

[0034] When the positioning rod extends into the positioning hole, the electric hydraulic rod continuously drives the lifting block to descend, so that the limiting rod extends into the limiting hole, the positioning rod is limited, and the positioning rod is stably anchored in the positioning hole, so that anchoring is completed.

[0035] As an improvement of the above technical solution, in S5, when the limiting rod extends into the limiting hole, the electric hydraulic rod continuously drives the lifting block to descend, so that the limiting rod contacts with the bottom of the limiting hole, the adjusting inclined block contacts with the ground, and auxiliary anchoring is performed.

[0036] Compared with the prior art, the present application has the following advantages:

[0037] When the walking mechanism of the trolley is moving on the path, the lifting block is lifted to drive the movable rod to be lifted in the movable hole, the positioning rod is moved towards the center of the supporting column, so that the positioning rod is not in contact with the positioning plate, and the trolley can be smoothly moved; when anchoring, the supporting column is moved to the position near the positioning plate, the lifting block is lowered to drive the movable rod to be lowered in the movable hole, the positioning rod is reset in contact with the surface of the positioning plate under the action of elasticity, and then the trolley is moved to drive the positioning rod to be moved; since the positioning rod is under the action of elastic potential energy, when the positioning rod is moved into the positioning hole, the positioning rod is inserted into the positioning hole, and the lifting block is continuously lowered, the limiting rod is inserted into the limiting hole, and the positioning rod is reinforced; of course, when the limiting rod is in contact with the bottom of the limiting hole, the bottom of the movable rod is in contact with the ground, and the limiting is carried out, so that the stability of anchoring is improved.

[0038] Through the reciprocating elastic positioning rod arranged above, the positioning rod can be automatically inserted into the positioning hole during anchoring, compared with manual alignment of the anchoring seat, the anchoring efficiency can be improved, and rapid anchoring work can be carried out.

[0039] Through the lifting lifting block arranged above, the position of the positioning rod can be adjusted to complete the anchoring work, and the positioning rod can be limited after anchoring, so that the stability of anchoring is improved. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 It is a structural schematic diagram of the present application.

[0041] Figure 2 It is a structural schematic diagram of the supporting column of the present application.

[0042] Figure 3 It is a front view of the supporting column of the present application.

[0043] Figure 4 It is a sectional view of A-A in the present application. Figure 3

[0044] Figure 5 It is a position diagram of the adjusting inclined block and the first ball of the present application.

[0045] Figure 6 It is a structural schematic diagram of the limiting plate of the present application.

[0046] ​In the diagram: 10. Port crane; 11. Crossbeam; 12. Trolley traveling mechanism; 20. Support column; 21. Connecting plate; 22. Connecting hole; 23. Mounting slot; 24. Lifting hole; 25. Cavity; 26. Spring; 27. Center plate; 30. Positioning plate; 31. Slide groove; 32. Positioning hole; 40. Lifting block; 41. Connecting rod; 42. Limiting rod; 43. Movable rod; 431. Adjusting ramp; 432. First ball; 50. Positioning rod; 51. Second ball; 52. Movable hole; 53. Adjusting ramp; 54. Limiting hole; 60. Electro-hydraulic rod. Detailed Implementation

[0047] 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.

[0048] Example:

[0049] like Figures 1-6 As shown, this embodiment proposes a trolley anchoring device for a large port crane, comprising:

[0050] Port crane 10; the port crane 10 is equipped with a trolley traveling mechanism 12 and a crossbeam 11;

[0051] A positioning plate 30 is disposed below the crossbeam 11; a positioning hole 32 is provided on the positioning plate 30;

[0052] A support column 20 is provided on the crossbeam 11; a lifting block 40 that can be raised and lowered is provided on the support column 20; a movable rod 43 and a limiting rod 42 are provided on the lifting block 40.

[0053] A positioning rod 50 is disposed inside the support column 20; the positioning rod 50 is elastically slidably connected to the support column 20; the positioning rod 50 has a movable hole 52 and a limiting hole 54; the movable rod 43 is disposed in the movable hole 52, and the limiting rod 42 is disposed in the limiting hole 54.

[0054] The movable rod 43 moves up and down in the movable hole 52, causing the positioning rod 50 to reciprocate elastically.

[0055] The limiting rod 42 contacts the limiting hole 54, so that the positioning rod 50 is limited in the positioning hole 32.

[0056] In this embodiment, when the walking mechanism 12 moves on the path, the lifting block 40 lifts the movable rod 43 in the movable hole 52, and drives the positioning rod 50 to move towards the center of the support column 20, so that the positioning rod 50 is not in contact with the positioning plate 30, and the walking mechanism can move smoothly.

[0057] When anchoring, the support column 20 moves to the vicinity of the positioning plate 30, the lifting block 40 descends, the movable rod 43 descends in the movable hole 52, the positioning rod 50 is reset under the action of elasticity and is in contact with the surface of the positioning plate 30, then the walking mechanism 12 moves and drives the positioning rod 50 to move, and because the positioning rod 50 moves under the action of elastic potential energy, when the positioning rod 50 moves into the positioning hole 32, the positioning rod 50 extends into the positioning hole 32, and the lifting block 40 continues to descend, the limiting rod 42 extends into the limiting hole 54, and the positioning rod 50 is reinforced.

[0058] Of course, when the limiting rod 42 is in contact with the bottom of the limiting hole 54, the bottom of the movable rod 43 is in contact with the ground, and the anchoring stability is improved.

[0059] Through the reciprocating elastic positioning rod 50, the positioning rod 50 can automatically extend into the positioning hole 32 during anchoring, and the anchoring efficiency is improved, and the anchoring work is completed quickly.

[0060] Through the lifting lifting block 40, the positioning rod 50 can be adjusted in position to complete the anchoring work, and the positioning rod 50 can be limited after anchoring, so that the anchoring stability is improved.

[0061] Specifically, the support column 20 is provided with a cavity 25, the cavity 25 is provided with a center plate 27, the center plate 27 is provided with a spring 26, and the positioning rod 50 is connected to the spring 26.

[0062] In this embodiment, when the positioning rod 50 reciprocates elastically, the movable rod 43 is lifted in the movable hole 52, so as to drive the positioning rod 50 to move and press the spring 26, and the spring 26 is contracted and expanded to drive the positioning rod 50 to reciprocate.

[0063] Specifically, the support column 20 is provided with a lifting hole 24, and the limiting rod 42 and the movable rod 43 are in contact with the positioning rod 50 through the lifting hole 24.

[0064] The support column 20 is also provided with a mounting groove 23, the mounting groove 23 is provided with an electric hydraulic rod 60, and the electric hydraulic rod 60 is connected to the lifting block 40.

[0065] In the case, the electric hydraulic rod 60, the cart walking mechanism 12 are prior art and will not be described in detail, the cart walking mechanism 12 can be seen in the cart walking mechanism with the announcement number CN209427992U, which will not be described in detail.

[0066] In the embodiment, when the lifting block 40 is lifted, the electric hydraulic rod 60 is lifted, so that the positioning rod 50 completes the anchoring work.

[0067] Specifically, the movable rod 43 is provided with an adjusting inclined block 431, the movable hole 52 is provided with an adjusting inclined surface 53, the adjusting inclined block 431 is lifted and contacted with the adjusting inclined surface 53, so that the positioning rod 50 moves towards the center plate 27.

[0068] In the embodiment, when the lifting block 40 is lifted, the movable rod 43 is lifted, so that the adjusting inclined block 431 is lifted, when the adjusting inclined block 431 is lifted and contacted with the adjusting inclined surface 53, the positioning rod 50 is driven to move towards the center plate 27, the spring 26 is extruded, so that the positioning rod 50 is reciprocated elastically, and the anchoring work is completed.

[0069] Specifically, the adjusting inclined block 431 is provided with a plurality of groups of first balls 432 connected in rolling, the first balls 432 are in surface contact with the adjusting inclined surface 53.

[0070] In the embodiment, the first balls 432 are used to reduce the friction, so as to facilitate the rapid adjustment of the position of the positioning rod 50.

[0071] Specifically, the positioning plate 30 is provided with a sliding groove 31.

[0072] The positioning rod 50 is connected with a second ball 51 in rolling, the second ball 51 slides in the sliding groove 31.

[0073] In the case, the length of the positioning plate 30 can be equal to the action path of the cart walking mechanism 12, so as to realize the wrapping of the action path by the positioning plate 30, and a plurality of positioning holes 32 can be formed on the positioning plate 30, so as to facilitate the rapid positioning and isolate the action path, and improve the safety performance.

[0074] In the embodiment, when anchoring, the electric hydraulic rod 60 drives the lifting block 40 to descend, so that the adjusting inclined block 431 is not in contact with the adjusting inclined surface 53, the spring 26 is reset, the positioning rod 50 is driven to move towards the positioning plate 30, so that the second ball 51 is in contact with the sliding groove 31, and the trolley traveling mechanism 12 drives the cross beam 11, the supporting column 20 and the positioning rod 50 to move. Since the positioning rod 50 is in elastic contact with the sliding groove 31, when the positioning rod 50 moves to the position of the positioning hole 32, the spring 26 continues to drive the positioning rod 50 to move towards the positioning plate 30, so that the positioning rod 50 extends into the positioning hole 32, thereby completing the anchoring work.

[0075] Specifically, the supporting column 20 is provided with a connecting hole 22.

[0076] The lifting block 40 is symmetrically provided with two groups, and the two groups of lifting blocks 40 are provided with a connecting rod 41 which is slidingly arranged in the connecting hole 22.

[0077] In the embodiment, the two groups of lifting blocks 40 simultaneously lift, so that the two groups of positioning rods 50 simultaneously perform elastic reciprocating motion, for improving the stability of anchoring.

[0078] Specifically, the supporting column 20 is provided with an integrally formed connecting plate 21, the connecting plate 21 is connected with the cross beam 11 through bolts, and the connecting plate 21 is connected at the center position of the cross beam 11.

[0079] A use method of the trolley anchoring device of the large-scale port crane, comprising the following steps:

[0080] S1, positioning and installation:

[0081] The connecting plate 21 is connected with the cross beam 11, and the connecting plate 21 is arranged at the center position of the cross beam 11, and the second ball 51 is aligned with the sliding groove 31;

[0082] S2, lifting and contacting:

[0083] The electric hydraulic rod 60 drives the lifting block 40 to lift, so that the adjusting inclined block 431 is in contact with the adjusting inclined surface 53, the positioning rod 50 is driven to move towards the center plate 27, the spring 26 is compressed, and the positioning rod 50 is not in contact with the positioning plate 30;

[0084] S3, anchoring and limiting:

[0085] When anchoring, the electric hydraulic rod 60 drives the lifting block 40 to descend, so that the adjusting inclined block 431 is not in contact with the adjusting inclined surface 53, the spring 26 is reset, the positioning rod 50 is driven to move towards the positioning plate 30, so that the second ball 51 is in contact with the sliding groove 31;

[0086] S4, slow movement:

[0087] The walking mechanism 12 drives the cross beam 11, the support column 20 and the positioning rod 50 to move. Since the positioning rod 50 is in elastic contact with the sliding groove 31, when the positioning rod 50 moves to the position of the positioning hole 32, the spring 26 continues to drive the positioning rod 50 to move towards the positioning plate 30, so that the positioning rod 50 extends into the positioning hole 32, and the walking mechanism 12 stops moving at the same time;

[0088] S5, reinforcing the limiting:

[0089] When the positioning rod 50 extends into the positioning hole 32, the electric hydraulic rod 60 continuously drives the lifting block 40 to descend, so that the limiting rod 42 extends into the limiting hole 54, limiting the positioning rod 50, so that the positioning rod 50 is firmly anchored in the positioning hole 32.

[0090] Specifically, in S5, reinforcing the limiting, when the limiting rod 42 extends into the limiting hole 54, the electric hydraulic rod 60 continuously drives the lifting block 40 to descend, so that the limiting rod 42 is in contact with the bottom of the limiting hole 54, and the adjusting inclined block 431 is in contact with the ground, thereby assisting the anchoring.

[0091] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A trolley anchoring device for a large port crane, characterized in that: Include: The port crane (10); The port crane (10) is provided with a trolley traveling mechanism (12) and a cross beam (11); The positioning plate (30) is arranged below the cross beam (11); The positioning plate (30) is provided with a positioning hole (32); The support column (20) is arranged on the cross beam (11); The support column (20) is provided with a lifting block (40) that can be lifted; The lifting block (40) is provided with a movable rod (43), a limiting rod (42); The positioning rod (50) is arranged in the support column (20); The positioning rod (50) is elastically connected with the support column (20); The positioning rod (50) is provided with a movable hole (52) and a limiting hole (54); The movable rod (43) is arranged in the movable hole (52), and the limiting rod (42) is arranged in the limiting hole (54); Wherein, the movable rod (43) is lifted in the movable hole (52), so that the positioning rod (50) reciprocatingly and elastically moves; Wherein, the limiting rod (42) is in contact with the limiting hole (54), so that the positioning rod (50) is limited in the positioning hole (32); The support column (20) is provided with a cavity (25), and the cavity (25) is provided with a center plate (27); The center plate (27) is provided with a spring (26), and the positioning rod (50) is connected to the spring (26); The support column (20) is provided with a lifting hole (24), and the limiting rod (42) and the movable rod (43) are in contact with the positioning rod (50) through the lifting hole (24); The support column (20) is further provided with a mounting groove (23), and the mounting groove (23) is provided with an electric hydraulic rod (60), and the electric hydraulic rod (60) is connected with the lifting block (40); The movable rod (43) is provided with an adjusting inclined block (431), the movable hole (52) is provided with an adjusting inclined surface (53), the adjusting inclined block (431) is lifted and in contact with the adjusting inclined surface (53), so that the positioning rod (50) moves towards the center plate (27).

2. A trolley anchoring device for a large port crane according to claim 1, characterized in that: The adjusting inclined block (431) is provided with a plurality of first spherical bodies (432) connected in roll, and the first spherical bodies (432) are in contact with the surface of the adjusting inclined surface (53).

3. A trolley anchoring device for a large port crane according to claim 1, characterized in that: The positioning plate (30) is provided with a sliding groove (31); The positioning rod (50) is provided with a second spherical body (51) connected in roll, and the second spherical body (51) slides in the sliding groove (31).

4. A trolley anchoring device for a large port crane according to claim 1, characterized in that: The support column (20) is provided with a connecting hole (22); The lifting block (40) is symmetrically provided with two groups, and the two groups of lifting blocks (40) are provided with a connecting rod (41), and the connecting rod (41) is slidably arranged in the connecting hole (22).

5. A trolley anchoring device for a large port crane according to claim 1, characterized in that: The support column (20) is provided with an integrally formed connecting plate (21), the connecting plate (21) is connected with the cross beam (11) through bolts, and the connecting plate (21) is connected at the center position of the cross beam (11).

6. Use of a trolley anchoring device for a large port crane according to any of claims 1-5, characterized in that: The steps include: S1, positioning installation: The connecting plate (21) is connected with the cross beam (11), and the connecting plate (21) is arranged at the center position of the cross beam (11), and the second ball (51) is aligned with the sliding groove (31); S2, lifting contact: The electric hydraulic rod (60) drives the lifting block (40) to lift, so that the adjusting inclined block (431) is in contact with the adjusting inclined surface (53), the positioning rod (50) is driven to move towards the center plate (27), the spring (26) is compressed, and the positioning rod (50) is not in contact with the positioning plate (30); S3, anchoring and limiting: When anchoring, the electric hydraulic rod (60) drives the lifting block (40) to descend, so that the adjusting inclined block (431) is not in contact with the adjusting inclined surface (53), the spring (26) is reset, the positioning rod (50) is driven to move towards the positioning plate (30), and the second ball (51) is in contact with the sliding groove (31); S4, slow movement: The cross beam (11), the supporting column (20) and the positioning rod (50) are moved by the walking mechanism (12), the positioning rod (50) is in contact with the sliding groove (31) due to the elasticity, when the positioning rod (50) moves to the position of the positioning hole (32), the spring (26) continues to drive the positioning rod (50) to move towards the positioning plate (30), so that the positioning rod (50) extends into the positioning hole (32), and the walking mechanism (12) stops moving; S5, strengthen limiting: When the positioning rod (50) extends into the positioning hole (32), the electric hydraulic rod (60) continuously drives the lifting block (40) to descend, so that the limiting rod (42) extends into the limiting hole (54), the positioning rod (50) is limited, and the positioning rod (50) is stably arranged in the positioning hole (32), so that anchoring is completed.

7. A method of using a trolley anchoring device for a large port crane according to claim 6, characterized in that: In S5, when the limiting rod (42) extends into the limiting hole (54), the electric hydraulic rod (60) continuously drives the lifting block (40) to descend, so that the limiting rod (42) is in contact with the bottom of the limiting hole (54), the adjusting inclined block (431) is in contact with the ground, and auxiliary anchoring is performed.

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