Truss type portal crane for shipbuilding
By designing a cleaning and locking mechanism on a shipbuilding gantry crane, the problems of crane tipping and debris impact during windy weather were solved, achieving automatic cleaning and stable connection when the trolley moves, thus improving the safety and stability of the crane.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN CRANE MASCH CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-05-12
AI Technical Summary
Existing shipbuilding gantry cranes pose a risk of tipping over in windy weather, and debris can easily enter the sliding groove, affecting the stability of movement. Current technology makes it difficult to automatically clear debris when the trolley is moving.
A cleaning mechanism was designed, which uses a hydraulic cylinder to drive a locking block to engage with a locking groove, thereby locking and unlocking the bracket and the slide rail. It also automatically cleans up debris under the slide rail when the trolley moves, enhancing the stability of the trolley components' connection to the ground.
It improves the safety and stability of the crane in windy weather, avoids the impact of debris on the trolley components, and ensures the stable operation of the crane.
Smart Images
Figure CN224226525U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of crane technology, specifically relating to a truss-type gantry crane for shipbuilding. Background Technology
[0002] Gantry cranes used in shipbuilding are often located in relatively open areas where wind is common and strong. Windproof cables can be detachably installed on both sides of the outrigger assembly. When the wind is strong, one end of the windproof cable is installed on the outrigger assembly, and the other end is installed on the ground to prevent the crane from tipping over. However, the installation of the windproof cable takes time. If the windproof cable cannot be installed in time during a sudden strong wind, the crane is still at risk of tipping over.
[0003] In the prior art, Chinese utility model patent document with authorization announcement number CN221836584U discloses a truss-type gantry crane for shipbuilding. In this crane, the end of the sliding rod in the reinforcing connection mechanism is slidably disposed inside the sliding groove of the reinforcing slide, which can enhance the connection stability between the trolley moving mechanism and the ground, making it less prone to tipping over during strong winds and not interfering with the movement of the trolley moving mechanism. However, the sliding groove on one side of the reinforcing slide is prone to the entry of debris, and it is not convenient to clean the debris inside the reinforcing slide, which affects the movement of the clamping disc in the unlocked state, and thus affects the stability of the crane movement.
[0004] Therefore, it is necessary to design a shipbuilding truss gantry crane that can automatically clear debris as the crane moves, preventing it from continuously affecting the stable operation of the crane, and at the same time enhance the connection stability between the trolley moving mechanism and the ground to solve the current technical problems. Summary of the Invention
[0005] To address the shortcomings of existing technologies, this utility model provides a shipbuilding truss-type gantry crane that can automatically clear debris as the crane moves, preventing it from continuously affecting the stable operation of the crane, while also enhancing the connection stability between the trolley moving mechanism and the ground.
[0006] The technical solution of this utility model is as follows: a truss-type gantry crane for shipbuilding, comprising a crane body, legs at both ends of the crane body, a trolley assembly at the bottom of the legs, a track on the ground that cooperates with the trolley assembly, a slide rail assembly parallel to the track on the ground, the slide rail assembly having a vertical plate fixedly mounted on the ground, a horizontal plate vertically fixedly mounted on one side of the vertical plate, and a slide rail fixedly mounted at the bottom of the horizontal plate; a bracket fixedly mounted on the outer side of the trolley assembly, a pulley slidably connected to the bottom of the slide rail on the bracket, and a locking mechanism on the bracket for locking or releasing the trolley assembly; and cleaning mechanisms at both ends of the trolley assembly.
[0007] Furthermore, the cleaning mechanism has a push plate, one end of which is fixedly provided with a fixing plate. The fixing plate is assembled and fixed to the end of the bracket. The fixing plate is provided with a clearance groove corresponding to the slide rail. Gaps are reserved between the push plate and the horizontal plate, the vertical plate and the ground.
[0008] Furthermore, stiffening plates are evenly provided on the top of the horizontal plate, one side of the stiffening plate is fixedly connected to the horizontal plate, and there is a locking groove between adjacent stiffening plates; the locking mechanism has a locking block that matches the locking groove and a hydraulic cylinder that drives the locking block to be embedded in the locking groove or pulled out of the locking groove.
[0009] Furthermore, the hydraulic cylinder is fixedly mounted on the bracket, and a connecting rod is hinged to the end of the piston rod of the hydraulic cylinder. The locking block is hinged to the top of the bracket, and a connecting plate is fixedly mounted on one side of the locking block. The end of the connecting rod facing away from the hydraulic cylinder is hinged to one side of the connecting plate.
[0010] Furthermore, four locking blocks that match the four consecutive locking slots are fixedly provided on one side of the connecting plate.
[0011] Furthermore, the bracket has a crossbeam parallel to the outer side of the trolley assembly, and both ends of the crossbeam are fixedly provided with a horizontal support arm and a diagonal support arm, and the ends of the horizontal support arm and the diagonal support arm opposite to the crossbeam are fixedly connected to the trolley assembly.
[0012] Furthermore, a base plate is vertically fixed to the bottom of the upright plate, and the base plate is fixed to the ground.
[0013] The beneficial effects of this utility model are:
[0014] (1) In this utility model, a bracket is fixedly installed on the outside of the crane main trolley assembly. The pulley on the bracket is slidably connected to the bottom of the slide rail in the slide rail assembly. The slide rail provides fixed support for the pulley, which improves the stability of the trolley assembly connected to the ground and makes it less likely to overturn when strong winds suddenly rise.
[0015] (2) In windy weather, locking the bracket and the slide rail assembly with the locking mechanism can prevent the crane body from moving with the wind and improve its safety;
[0016] (3) When the trolley assembly moves, the cleaning mechanism at its end moves at the same time. The cleaning mechanism can push the debris under the slide rail outward to prevent it from continuously affecting the movement of the trolley assembly. Attached Figure Description
[0017] Figure 1This is a schematic diagram of the structure of the truss-type gantry crane for shipbuilding in this utility model.
[0018] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.
[0019] Figure 3 This is a schematic diagram of the slide rail assembly in this utility model.
[0020] Figure 4 This is a schematic diagram of the locking mechanism, cleaning mechanism, and support structure in this utility model. Detailed Implementation
[0021] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are not intended to limit the present invention or its application or use in any way. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values set forth in these embodiments should be interpreted as merely exemplary and not as limiting.
[0022] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0023] like Figures 1 to 4As shown, a gantry crane for shipbuilding includes a crane body 1, with outriggers 2 at both ends of the crane body 1, and a trolley assembly 3 at the bottom of the outriggers 2. A track 9 is provided on the ground to cooperate with the trolley assembly 3. A slide rail assembly 4, parallel to the track 9, is also provided on the ground. The slide rail assembly 4 has a vertical plate 42 fixedly mounted on the ground, a horizontal plate 43 vertically fixed on one side of the vertical plate 42, and a slide rail 44 fixedly mounted at the bottom of the horizontal plate 43. A bracket 5 is fixedly mounted on the outer side of the trolley assembly 3, and a pulley 8 is slidably connected to the bottom of the slide rail 44 on the bracket 5. A locking mechanism 6 is provided on the bracket 5 for locking or releasing the trolley assembly 4. Cleaning mechanisms 7 are provided at both ends; in this embodiment, a bracket 5 is fixedly installed on the outer side of the crane body 1 trolley assembly 3, and the pulley 8 on the bracket 5 is slidably connected to the bottom of the slide rail 44 in the slide rail assembly 4. The slide rail 44 provides fixed support for the pulley 8, improving the stability of the trolley assembly 3 connected to the ground, and making it less likely to overturn when strong winds rise; in windy weather, the bracket 5 and the slide rail assembly 4 are locked by the locking mechanism 6, which can prevent the crane body 1 from moving with the wind and improve its safety; when the trolley assembly 3 moves, it drives the cleaning mechanism 7 at its end to move at the same time. The cleaning mechanism 7 can push the debris under the slide rail 44 outward to prevent it from continuously affecting the movement of the trolley assembly 3.
[0024] In some embodiments, as a specific implementation of the cleaning mechanism 7, the cleaning mechanism 7 has a push plate 71, one end of which is fixedly provided with a fixing plate 73. The fixing plate 73 is assembled and fixed to the end of the bracket 5. The fixing plate 73 is provided with a relief groove 72 corresponding to the slide rail 44. The push plate 71 is reserved with respect to the horizontal plate 43, the vertical plate 42 and the ground. Specifically, the axis of the push plate 71 and the slide rail 44 are at a 45° angle. The trolley assembly 3 drives the push plate 71 to move. The inclined push plate 71 can push the debris under the slide rail 44 outward.
[0025] In some embodiments, stiffening plates 45 are uniformly arranged on the top of the cross plate 43, one side of the stiffening plate 45 is fixedly connected to the cross plate 43, and there is a locking groove 46 between adjacent stiffening plates 45; the locking mechanism 6 has a locking block 61 that matches the locking groove 46 and a hydraulic cylinder 64 that drives the locking block 61 to be embedded in the locking groove 46 or pulled out of the locking groove 46; when it is necessary to lock the trolley assembly 3 and the slide rail assembly 4, the hydraulic cylinder 64 drives the locking block 61 to be embedded in the locking groove 46, and the locking groove 46 forms a blocking limit on the locking block 61, thereby restricting the movement of the trolley assembly 3; when it is necessary to release the trolley assembly 3 and the slide rail assembly 4, the hydraulic cylinder 64 drives the locking block 61 to be pulled out of the locking groove 46, at which time the locking block 61 is no longer blocked, and the trolley assembly 3 can move.
[0026] In some embodiments, the hydraulic cylinder 64 is fixedly mounted on the bracket 5, and the piston rod end of the hydraulic cylinder 64 is hinged to a connecting rod 63. The locking block 61 is hinged to the top of the bracket 5, and a connecting plate 62 is fixedly mounted on one side of the locking block 61. One end of the connecting rod 63 away from the hydraulic cylinder 64 is hinged to one side of the connecting plate 62. The hydraulic cylinder 64 drives the connecting rod 63 to move up and down, and the connecting rod 63 drives the locking block 61 to swing back and forth, so that the locking block 61 is embedded in the locking groove 46 or pulled out of the locking groove 46.
[0027] In some embodiments, four locking blocks 61 that match four consecutive locking slots 46 are fixedly provided on one side of the connecting plate 62; the contact area between the locking mechanism 6 and the slide rail assembly 4 can be increased by the four locking blocks 61, thereby improving the locking strength; the number of locking blocks 61 can also be two, three, five or six, etc.
[0028] In some embodiments, the bracket 5 has a crossbeam 51 parallel to the outer side of the trolley assembly 3. Both ends of the crossbeam 51 are fixedly provided with a horizontal support arm 52 and a diagonal support arm 53. The ends of the horizontal support arm 52 and the diagonal support arm 53 that are away from the crossbeam 51 are fixedly connected to the trolley assembly 3. The trolley assembly 3, the horizontal support arm 52 and the diagonal support arm 53 form a triangular frame structure, which provides stable support for the crossbeam 51.
[0029] In some embodiments, a base plate 41 is vertically fixed to the bottom of the upright plate 42, and the base plate 41 is fixed to the ground; specifically, the base plate 41 is fixedly embedded in the ground by concrete pouring.
[0030] The various embodiments of this utility model have now been described in detail. To avoid obscuring the concept of this utility model, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.
[0031] The embodiments described above only illustrate some implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A gantry crane for shipbuilding, comprising a crane body, legs at both ends of the crane body, a trolley assembly at the bottom of the legs, and a track on the ground that cooperates with the trolley assembly, characterized in that: A slide rail assembly parallel to the track is provided on the ground. The slide rail assembly has a vertical plate fixedly installed on the ground, a horizontal plate vertically fixedly installed on one side of the vertical plate, and a slide rail fixedly installed at the bottom of the horizontal plate. A bracket is fixedly installed on the outside of the trolley assembly. A pulley is provided on the bracket and slidably connected to the bottom of the slide rail. A locking mechanism is provided on the bracket for locking or releasing the trolley assembly. Cleaning mechanisms are provided at both ends of the large vehicle assembly.
2. The gantry crane for shipbuilding according to claim 1, characterized in that: The cleaning mechanism has a push plate, and a fixing plate is fixedly installed at one end of the push plate. The fixing plate is assembled and fixed at the end of the bracket. The fixing plate is provided with a clearance groove corresponding to the slide rail. Gaps are reserved between the push plate and the horizontal plate, the vertical plate and the ground.
3. The gantry crane for shipbuilding according to claim 1, characterized in that: The top of the horizontal plate is uniformly provided with stiffening plates, one side of the stiffening plate is fixedly connected to the horizontal plate, and there is a locking groove between adjacent stiffening plates; The locking mechanism has a locking block that matches the locking groove and a hydraulic cylinder that drives the locking block to be embedded in or pulled out of the locking groove.
4. The gantry crane for shipbuilding according to claim 3, characterized in that: The hydraulic cylinder is fixedly mounted on the bracket. A connecting rod is hinged to the end of the piston rod of the hydraulic cylinder. The locking block is hinged to the top of the bracket. A connecting plate is fixedly mounted on one side of the locking block. The end of the connecting rod opposite to the hydraulic cylinder is hinged to one side of the connecting plate.
5. The gantry crane for shipbuilding according to claim 4, characterized in that: Four locking blocks, which match the four consecutive locking slots, are fixedly provided on one side of the connecting plate.
6. The gantry crane for shipbuilding according to claim 1, characterized in that: The bracket has a crossbeam parallel to the outer side of the trolley assembly. Both ends of the crossbeam are fixedly provided with a horizontal support arm and a diagonal support arm. The ends of the horizontal support arm and the diagonal support arm that are away from the crossbeam are fixedly connected to the trolley assembly.
7. The gantry crane for shipbuilding according to claim 1, characterized in that: A base plate is vertically fixed to the bottom of the upright plate, and the base plate is fixed to the ground.