Crane running mechanism suitable for 90-degree crossed track

Abstract

The utility model relates to the technical field of cranes, in particular to a crane running mechanism suitable for 90-degree crossed tracks, which comprises a crane mounting base and a wheel seat provided with track wheels, the wheel seat is further provided with an anti-derailment component, and a rotary support is arranged between the bottom of the crane mounting base and the top of the wheel seat; the anti-derailment assembly comprises an L-shaped plate, the top of the long edge of the L-shaped plate is correspondingly hinged to the wheel seat, the short edge of the L-shaped plate extends to the position below the corresponding rail flange plate, and the short edge of the L-shaped plate is provided with an anti-derailment wheel capable of being rolled on the lower plate face of the rail flange plate; due to the arrangement of the anti-derailment assembly and the rotary support, the L-shaped plate can be turned over by the spring to temporarily relieve the limitation on the track, and the wheel seat is rotated by 90 degrees through the rotary characteristic of the rotary support, so that the track transfer operation of the 90-degree crossed track is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a crane traveling mechanism suitable for 90-degree cross tracks. Background Art

[0002] In order to prevent derailment, the existing track-operated crane operating mechanism generally needs to install an anti-derail component (L-shaped structure, the top of the long side is installed on the crane operating mechanism by bolts, and the short side extends to the bottom of the track flange plate, and a certain gap is reserved between the short side and the main beam flange plate). The anti-derail component is particularly important for outdoor cranes; due to the presence of the anti-derail component, the track-operated operating mechanism can generally only run on a one-way track, and cannot meet the requirements of restricted sites, such as turning and changing direction. Although the tire-type operating mechanism can meet multiple functions such as steering, the price is relatively high, and the economic and practicality for general projects is not good enough. Therefore, there is an urgent need to explore a running device with better economic applicability that can meet the requirements of operating conditions under restricted site conditions.

[0003] To this end, we designed a crane traveling mechanism suitable for 90° cross tracks. Utility Model Content

[0004] In order to overcome the deficiencies in the background technology, the utility model discloses a crane traveling mechanism suitable for 90° cross tracks.

[0005] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical solutions:

[0006] A crane running mechanism suitable for 90° cross tracks comprises a crane mounting base and a wheel seat on which a track wheel is installed, wherein the wheel seat is further provided with an anti-derail assembly, and a slewing support is provided between the bottom of the crane mounting base and the top of the wheel seat; the anti-derail assembly comprises an L-shaped plate, the top of the L-shaped plate long side is correspondingly hinged to the wheel seat, the L-shaped plate short side extends to below the corresponding track flange plate, and the L-shaped plate short side is provided with an anti-slip wheel that can be rolled on the lower plate surface of the track flange plate.

[0007] Preferably, the long side of the L-shaped plate is provided with a limiting wheel rolled on the side wall of the track flange plate.

[0008] Preferably, the long side of the L-shaped plate is arranged at an angle, and the bottom is located correspondingly on the outside of the top.

[0009] Preferably, the intersection angle between the long side and the short side of the L-shaped plate is an acute angle.

[0010] Preferably, the slewing support has a limiting structure.

[0011] Preferably, the limiting structure includes a fixed ear plate provided with a slewing support fixing portion, a rotating ear plate provided on the slewing support slewing portion, and a limiting pin shaft passing through the fixed ear plate and the rotating ear plate;

[0012] There are at least two fixed ear plates and / or rotating ear plates spaced 90 degrees apart.

[0013] Preferably, track sweeping plates are provided at both the front and rear ends of the wheel seat.

[0014] Preferably, buffers are provided at both the front and rear ends of the wheel seat.

[0015] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

[0016] 1. The anti-derailment assembly and slewing support are set up to enable the spring to flip the L-shaped plate to temporarily release the restriction on the track. The slewing support's slewing characteristics allow the wheel seat to rotate 90°, completing the 90° cross-track change operation;

[0017] 2. The setting of the limiting wheel in the anti-derail assembly can make the L-shaped plate long side in an inclined state, so that the anti-derail assembly always has a trend of further clamping track, preventing the anti-derail assembly from accidentally removing the restriction on track;

[0018] 3. The long and short sides of the L-shaped plate are set at acute angles. When the crane falls during track change, the bottom surface of the short side of the L-shaped plate will hit the track flange plate, causing the L-shaped plate to adaptively flip outward. Therefore, no human intervention is required, reducing workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the first structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the second structure of the utility model;

[0021] Figure 3 Schematic diagram of the cooperation principle between the anti-derailment component and the track in the present utility model;

[0022] Figure 4 This is a schematic diagram of the layout when the utility model is used;

[0023] Figure 5 It is a schematic diagram of an embodiment of the rotary support fixing portion or the rotary portion in the present invention;

[0024] Figure 6 It is a schematic diagram of an embodiment of the rotary support rotating part or the fixed part in the utility model.

[0025] In the figure: 1. Crane mounting base; 2. Wheel seat; 3. Track wheel; 4. Anti-derailment assembly; 41. L-shaped plate; 42. Anti-derailment wheel; 43. Limiting wheel; 5. Slewing support; 6. Limiting structure; 61. Fixed ear plate; 62. Rotating ear plate; 63. Limiting pin; 7. Track cleaning plate; 8. Buffer. DETAILED DESCRIPTION

[0026] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right" and so on to indicate directions or positional relationships, they only correspond to the drawings of the present application and are for the convenience of describing the present invention; it should be understood that if there are terms such as "end", "side", "end part", "lateral", "transverse", "longitudinal" and so on to indicate directions or positional relationships, they only correspond to the length and width of the corresponding parts, that is, "end part" indicates the head and tail area of ​​the corresponding part in the length direction, and "side part" indicates the head and tail area of ​​the corresponding part in the width direction; this is for the convenience of describing the present invention and does not indicate or imply that the device or element referred to must have a specific direction.

[0027] Example 1, combined with the attached Figure 1-4 A crane running mechanism suitable for 90° cross tracks includes a crane mounting base 1 and a wheel seat 2 with a rail wheel 3 installed. The wheel seat 2 is also provided with an anti-derail component 4, and a slewing support 5 is provided between the bottom of the crane mounting base 1 and the top of the wheel seat 2; the anti-derail component 4 includes an L-shaped plate 41, the top of the long side of the L-shaped plate 41 is correspondingly hinged to the wheel seat 2, the short side of the L-shaped plate 41 extends to the bottom of the corresponding track flange plate, and the short side of the L-shaped plate 41 is provided with an anti-derail wheel 42 that can roll on the lower surface of the track flange plate.

[0028] In the example, each of the four ends of the bottom of the crane trolley has a crane mounting base 1, and each crane mounting base 1 has a wheel seat 2 below it; as needed, one group of two diagonal wheel seats 2 among the four wheel seats 2 is also provided with a running motor for driving the rail wheel 3 to run.

[0029] During track change, the crane is first lifted by a jacking device so that the track wheel 3 is at the height of the track, and then the wheel seat is manually rotated 290 °. Subsequently, the crane is lowered by the jacking device so that the track wheel 3 is pressed onto the corresponding track and the track change operation of 90 ° cross track is completed. It should be noted that: during the rise and fall of the crane, it is necessary to flip the L-shaped plate 41 outward so that the short side of the L-shaped plate 41 and the anti-derail wheel 42 are away from the track flange plate to prevent the anti-derail assembly 4 from affecting the rise and fall of the crane.

[0030] As needed, the lifting equipment can be a hydraulic cylinder, pneumatic cylinder, or jack. As needed, the lifting equipment can be mounted on the crane mounting base 1. As needed, the lifting equipment can be connected to a crane control system, which controls its operation. The specific settings are determined based on needs and are not specifically limited here.

[0031] In order to prevent the long side of the L-shaped plate 41 from rubbing against the rail flange plate and generating abnormal noise, the long side of the L-shaped plate 41 is provided with a limiting wheel 43 that rolls on the side wall of the rail flange plate.

[0032] Further, L-shaped plate 41 long sides are tilted, and bottom is correspondingly positioned at top outside;That is, because limiting wheel 43 conflicts with track flange plate sidewall, the center of gravity of anti-derail assembly 4 is correspondingly positioned at the position outside L-shaped plate 41 center of gyration, so that L-shaped plate 41 has the trend of inward flipping under gravity, ensures that anti-derail wheel 42 is always positioned below track flange plate when no one is involved.Preferably, limiting wheel 43 wheel bodies are provided with flexible layer.

[0033] As needed, both ends of the wheel seat 2 are provided with track sweeping plates 7; both ends of the wheel seat 2 are provided with buffers 8. Since the track sweeping plates 7 and buffers 80 are common components of cranes, their structures are not described in detail here.

[0034] As required, the fixed portion of the slewing support 5 may also be provided with a driving device for driving the slewing portion thereof to rotate.

[0035] Example 2, combined with the attached Figure 3 , a crane traveling mechanism suitable for 90° cross tracks, based on the first embodiment, in order to increase the stability of the crane, the slewing support 5 has a limiting structure 6;

[0036] Specifically, the limiting structure 6 includes a fixed ear plate 61 provided on the fixed part of the slewing support 5, a rotating ear plate 62 provided on the rotating part of the slewing support 5, and a limiting pin shaft 63 passing through the fixed ear plate 61 and the rotating ear plate 62; wherein, at least two fixed ear plates 61 and / or rotating ear plates 62 are provided at an interval of 90°.

[0037] In one embodiment, there is one fixed lug plate 61 and two rotating lug plates 62 spaced 90° apart, i.e., the two rotating lug plates 62 are spaced 90° apart. If desired, the number of fixed lug plates 61 and rotating lug plates 62 can also be reversed, i.e., there is one rotating lug plate 62 and two fixed lug plates 61 spaced 90° apart.

[0038] In one embodiment, the combination Figure 4-5There are two fixed lugs 61, spaced 180° apart. There are four rotating lugs 62, spaced 90° apart, i.e., two adjacent rotating lugs 62 are spaced 90° apart. This ensures balanced force on the rotating portion of the slewing support 5 and increases the service life of the slewing support 5. As needed, the number of fixed lugs 61 and rotating lugs 62 can be reversed, i.e., there are two rotating lugs 62, spaced 180° apart, and four fixed lugs 61, spaced 90° apart, i.e., two adjacent fixed lugs 61 are spaced 90° apart.

[0039] It should be noted that a lifting portion, such as a lifting ring or other structure, is provided on the top of the limiting pin shaft 63 .

[0040] Example 3, combined with the attached Figure 3 , a crane running mechanism suitable for 90° cross-tracks, based on the first embodiment, the intersection angle between the long side and the short side of the L-shaped plate 41 is an acute angle, so that the short side of the L-shaped plate 41 can be parallel to the track flange plate, and the anti-slip wheel 42 can roll vertically on the lower plate surface of the track flange plate; at the same time, during the falling process of the crane in the track change, the L-shaped plate 41 can be moved into place without manually flipping outward the L-shaped plate 41; specifically, when the crane falls, the short side of the L-shaped plate 41 first contacts the track flange plate, because at this time the end of the short side of the L-shaped plate 41 away from the long side of the L-shaped plate 41 is higher than the other end of the short side of the L-shaped plate 41, under the action of the friction of the track flange plate, the L-shaped plate 41 will adaptively flip outward, so no human intervention is required.

[0041] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A crane running mechanism suitable for 90° cross tracks, comprising a crane mounting base (1) and a wheel seat (2) on which a track wheel (3) is mounted, wherein the wheel seat (2) is further provided with an anti-derailment component (4), and is characterized in that: A slewing support (5) is provided between the bottom of the crane mounting base (1) and the top of the wheel seat (2); the anti-derailment component (4) comprises an L-shaped plate (41), the top of the long side of the L-shaped plate (41) is correspondingly hinged to the wheel seat (2), the short side of the L-shaped plate (41) extends to the bottom of the corresponding track flange plate, and the short side of the L-shaped plate (41) is provided with an anti-derailment wheel (42) capable of rolling on the lower plate surface of the track flange plate.

2. The crane traveling mechanism suitable for 90° cross tracks according to claim 1 is characterized in that: The long side of the L-shaped plate (41) is provided with a limiting wheel (43) rolled on the side wall of the track flange plate.

3. The crane traveling mechanism suitable for 90° cross tracks according to claim 2 is characterized in that: The long side of the L-shaped plate (41) is arranged obliquely, and the bottom is located correspondingly outside the top.

4. The crane traveling mechanism suitable for 90° cross tracks according to claim 1 is characterized in that: The intersection angle between the long side and the short side of the L-shaped plate (41) is an acute angle.

5. The crane traveling mechanism suitable for 90° cross tracks according to claim 1 is characterized in that: The rotary support (5) has a limiting structure (6).

6. The crane traveling mechanism suitable for 90° cross tracks according to claim 5, characterized in that: The limiting structure (6) comprises a fixed ear plate (61) provided with a fixed portion of the rotary support (5), a rotating ear plate (62) provided on the rotary portion of the rotary support (5), and a limiting pin (63) passing through the fixed ear plate (61) and the rotating ear plate (62); Wherein, at least two fixed ear plates (61) and / or rotating ear plates (62) are provided at intervals of 90°.

7. The crane traveling mechanism suitable for 90° cross tracks according to claim 1, characterized in that: Track sweeping plates (7) are provided at both the front and rear ends of the wheel seat (2).

8. The crane traveling mechanism suitable for 90° cross tracks according to claim 1, characterized in that: Buffers (8) are provided at both the front and rear ends of the wheel seat (2).

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