Three-side braking type track door type overweight machine braking positioning parking device

Abstract

The utility model discloses a three -sided brake formula rail door type super heavy machine brake positioning parking ware belongs to rail door type super heavy machine brake positioning parking technical field. Including connecting seat, working oil cylinder subassembly, bolt subassembly and positioning fixed bolt seat. The one side of connecting seat is connected with three -sided brake formula rail door type crane brake device, and the upper portion of connecting seat is provided with the suspension part, the plunger rod upper end of working oil cylinder subassembly is connected with the suspension part, and the lower part of working oil cylinder subassembly is connected with bolt subassembly, and the lower end of bolt subassembly is provided with the bolt rod, and positioning fixed bolt seat sets up in the one side of track and is opposite fixed with track, and the setting of positioning fixed bolt seat is provided with the insertion hole, and the bolt rod can insert into insertion hole. Solve the technical problem of traditional three -sided brake formula rail door type crane brake device parking and must keep high oil pressure, and the braking force is poor when parking for a long time.

Description

Technical Field

[0001] This utility model relates to the field of brake positioning and parking technology for rail-mounted gantry heavy-duty vehicles, and in particular to a three-sided braking type brake positioning and parking device for rail-mounted gantry heavy-duty vehicles. Background Technology

[0002] While the three-sided braking system for gantry cranes has strong wind-resistant rail braking capabilities, its braking force is achieved by using high-pressure hydraulic cylinders to compress springs. Since gantry cranes often have long parking times when not in operation, maintaining strong wind resistance while using the three-sided braking system for parking requires keeping the hydraulic system at a high pressure for extended periods. This leads to problems such as insufficient wind resistance due to hydraulic system leaks, or reduced braking force due to accelerated aging of the hydraulic system, potentially compromising the reliability of the braking system.

[0003] Therefore, it is necessary to invent a zero-hydraulic-pressure positioning parking device to replace the strong wind protection parking function of the three-sided braking rail gantry crane braking device when parking, so as to make the performance of the strong wind protection braking device more perfect and reliable. Summary of the Invention

[0004] The purpose of this utility model is to provide a three-sided braking type rail gantry crane brake positioning parking device to address the above-mentioned problems, thereby solving the technical problem that the traditional three-sided braking type rail gantry crane brake device must maintain high oil pressure when parking and that the braking force deteriorates during long-term parking.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A three-sided braking type rail gantry crane brake positioning parking device includes a connecting seat, a working cylinder assembly, a pin assembly, and a positioning and fixing pin seat. One side of the connecting seat is connected to the braking device of the three-sided braking type rail gantry crane, and a hanging part is provided on the upper part of the connecting seat. The upper end of the plunger rod of the working cylinder assembly is connected to the hanging part, and the lower part of the working cylinder assembly is connected to the pin assembly. A pin rod is provided at the lower end of the pin assembly. The positioning and fixing pin seat is located on one side of the rail and is fixed relative to the rail. A insertion hole is provided on the positioning and fixing pin seat, and the pin rod can be inserted into the insertion hole.

[0007] Furthermore, a guide member is provided at the lower part of the connecting seat, and a guide hole is provided in the guide member. The pin rod is provided vertically and horizontally, and the pin rod slides through the guide hole.

[0008] Furthermore, it also includes a chain, with the upper part of the pin assembly connected to the lower part of the working cylinder assembly via the chain.

[0009] Furthermore, the pin assembly also includes a hanging plate, the upper end of the chain is detachably connected to the hanging part via a shackle, the upper end face of the hanging plate is detachably connected to the lower end of the chain via a shackle, and the pin rod is fixedly mounted on the lower end face of the hanging plate.

[0010] Furthermore, the working cylinder assembly includes a working cylinder, a transition plate, and a hydraulic control system. The piston rod of the working cylinder is fixedly connected to the connecting seat by bolts. The cylinder body of the working cylinder is located below the connecting seat. The transition plate is installed on the cylinder body of the working cylinder. The hanging part is connected to the cylinder body of the working cylinder through the transition plate. The hydraulic control system is connected to the working cylinder through an oil pipe, and the hydraulic control system controls the extension and retraction of the piston rod of the working cylinder.

[0011] Furthermore, the hydraulic control system also includes an upper limit switch and a lower limit switch, both of which are mounted on the connecting seat. The upper limit switch is located above the lower limit switch. The transition plate is provided with an extension end, which is located between the upper limit switch and the lower limit switch. The extension end of the transition plate can trigger the upper limit switch and the lower limit switch.

[0012] Due to the adoption of the above technical solution, the beneficial effects of this utility model are as follows:

[0013] 1. In use, this utility model fixes the connecting seat to one side of the braking device of a three-sided braking gantry crane using bolts or welding. When using the pin for strong wind protection, the working cylinder assembly drives the pin assembly to descend together. The pin rod descends vertically under the constraint of the guide hole. As the piston rod of the working cylinder extends, the lower part of the pin rod begins to approach and insert into the insertion hole of the positioning and fixing pin seat. The pin completes the strong wind protection installation. At this time, the oil pressure in the cylinder is extremely low, and the movement of the pin is limited by the insertion hole of the positioning and fixing pin seat, thus achieving the strong wind protection function. This solves the technical problem that traditional three-sided braking gantry crane braking devices must maintain high oil pressure when parked, and the braking force deteriorates during long-term parking.

[0014] 2. When the gantry crane of this utility model is subjected to strong wind thrust and attempts to move, the suspension seat and the guide hole of the suspension seat also attempt to move with the gantry crane. The lower part of the pin inserted in the guide hole begins to press against the edge of the positioning and fixing pin seat. Since the positioning and fixing pin seat is fixed in the foundation, the movement of the gantry crane is restricted by the combination of the positioning and fixing pin seat, the pin, and the guide hole, thus achieving the purpose of parking against strong winds. By setting up upper limit switches and lower limit switches, when the upper limit switch or lower limit switch of the working cylinder assembly is triggered, the working cylinder assembly automatically stops descending or rising. In specific control, the gantry crane operator only needs to control the extension and retraction of the piston rod of the working cylinder assembly to complete the installation and removal of the positioning parking device equipped with the braking device of the three-sided braking rail gantry crane, which is simple and convenient to operate.

[0015] 3. This utility model uses a positioning and fixing pin seat with an outer edge size of more than 80mm larger than the outer edge size of the pin. This fully satisfies the requirement that the pin can still descend into the hole even if the gantry crane trolley deviates to the left or right. This can reduce the parking positioning accuracy of the gantry crane and further improve the convenience of operation.

[0016] 4. The present invention uses a flexible chain connection between the working cylinder assembly and the pin assembly to ensure that the pin is inserted into the insertion hole by its own weight when the cylinder extends, thus preventing the parking device from being damaged by rigid contact when the gantry crane is not properly positioned during parking. Attached Figure Description

[0017] Figure 1 This is a front view of the structure of this utility model (partial cross-section);

[0018] Figure 2 This is a side view of the present invention (partial structural section).

[0019] Figure 3 This is a schematic diagram of the oil supply to the working cylinder of this utility model;

[0020] Figure 4 This is a schematic diagram of the electrical control circuit of this utility model.

[0021] In the attached diagram, 1-connecting seat, 2-working cylinder assembly, 3-pin assembly, 4-positioning and fixing pin seat, 5-chain, 6-crane braking device, 7-rail, 11-hanging part, 12-guide component, 21-working cylinder, 22-transition plate, 23-upper limit switch, 24-lower limit switch, 25-hydraulic control system, 251-first button, 252-second button, 253-first relay, 254-second relay, 255-hydraulic workstation, 31-pin rod, 32-hanging plate. Detailed Implementation

[0022] The specific implementation of the utility model will be further described below with reference to the accompanying drawings.

[0023] In the description of this utility model, it should be understood that the terms "center", "length", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] Please see Figures 1 to 4 A three-sided braking type rail gantry crane braking and positioning parking device includes a connecting seat 1, a working cylinder assembly 2, a pin assembly 3, and a positioning and fixing pin seat 4. One side of the connecting seat 1 is connected to the braking device 6 of the three-sided braking type rail gantry crane 7, and a hanging part 11 is provided on the upper part of the connecting seat 1. The upper end of the plunger rod of the working cylinder assembly 2 is connected to the hanging part 11, and the lower part of the working cylinder assembly 2 is connected to the pin assembly 3. A pin rod 31 is provided at the lower end of the pin assembly 3. The positioning and fixing pin seat 4 is located on one side of the rail 7 and is fixed relative to the rail 7. The positioning and fixing pin seat 4 has a socket, into which the pin rod 31 can be inserted. Specifically, the positioning and fixing pin seat 4 is cast onto one side of the rail 7 with cement, and the socket opening faces upwards.

[0027] In this embodiment, a guide member 12 is provided at the lower part of the connecting seat 1. A guide hole is provided inside the guide member 12, and a pin rod 31 is provided vertically through it, slidingly passing through the guide hole. Specifically, mounting holes are provided on both sides of the guide member 12, and the guide member 12 is fixed to the lower part of the upright plate of the connecting seat 1 by bolts.

[0028] In this embodiment, a chain 5 is also included, and the upper part of the pin assembly 3 is connected to the lower part of the working cylinder assembly 2 via the chain 5. The chain 5 is flexible, and when the plunger rod of the working cylinder 21 extends, the pin rod 31 inserts into the insertion hole by its own weight. This can prevent the parking device from being damaged by rigid contact when the gantry crane is not properly positioned during parking.

[0029] In this embodiment, the pin assembly 3 also includes a hanging plate 32, the upper end of the chain 5 is detachably connected to the hanging part 11 via a shackle, the upper end face of the hanging plate 32 is detachably connected to the lower end of the chain 5 via a shackle, and the pin rod 31 is fixedly installed on the lower end face of the hanging plate 32.

[0030] In this embodiment, the working cylinder assembly 2 includes a working cylinder 21, a transition plate 22, and a hydraulic control system 25. The piston rod of the working cylinder 21 is fixedly connected to the connecting seat 1 by bolts. The cylinder body of the working cylinder 21 is located below the connecting seat 1. The transition plate 22 is mounted on the cylinder body of the working cylinder 21. The hanging part 11 is connected to the cylinder body of the working cylinder 21 through the transition plate 22. The hydraulic control system 25 is connected to the working cylinder 21 through an oil pipe. The hydraulic control system 25 controls the extension and retraction of the piston rod of the working cylinder 21. The hydraulic control system 25 also includes an upper limit switch 23 and a lower limit switch 24. Both the upper limit switch 23 and the lower limit switch 24 are mounted on the connecting seat 1. The upper limit switch 23 is located above the lower limit switch 24. The transition plate 22 is provided with an extension end, which is located between the upper limit switch 23 and the lower limit switch 24. The extension end of the transition plate 22 can trigger the upper limit switch 23 and the lower limit switch 24.

[0031] Please see again. Figure 3 and 4The hydraulic control system 25 includes a hydraulic workstation 255 and an electrical control circuit. The working cylinder 21 is connected to the hydraulic workstation 255 via a retaining tube. The electrical control circuit includes a first button 251, a second button 252, a first relay 253, a second relay 254, a lower limit switch 24, and an upper limit switch 23. The first relay 253 and the second relay 254 are normally open. The contacts of the lower limit switch 24 are connected to the extension control circuit of the working cylinder 21, and the contacts of the upper limit switch 23 are connected to the retraction control circuit of the working cylinder 21. The lower limit switch 24 and... The first button 251 and the first relay 253 are connected to form a hydraulic workstation 255 oil supply control circuit for extending the working cylinder 21. The upper limit switch 23 is connected to the second button 252 and the second relay 254 to form a hydraulic workstation 255 oil supply control circuit for retracting the working cylinder 21. The lower limit switch 24 and the upper limit switch 23 are normally closed. The lower limit switch 24 and the upper limit switch 23 can be disconnected by the transition plate 22 when the working cylinder 21 extends to the set position and retracts to the set position, so as to realize the extension and retraction of the working cylinder 21 to the set position.

[0032] When parking, the driver presses the first button 251 that engages the contact point, energizing the first relay 253. The hydraulic workstation 255 then operates and begins supplying oil to the extension port of the working cylinder 21. The cylinder body of the working cylinder 21 moves, causing the pin assembly 3 to move downwards. The pin rod 31 descends and inserts into the socket of the positioning and fixing pin seat 4. When the working cylinder 21 descends to the set position, the hanger touches the lower limit switch 24, and the parking device is installed. At this time, the movement of the pin is restricted by the positioning and fixing pin seat 4, thus creating a strong wind protection effect. When the parking brake is released, the driver presses the second button 252 that activates the contact point. Once the two relays are energized, the hydraulic workstation 255 starts working and supplies oil to the retraction port of the working cylinder 21. The cylinder body of the working cylinder 21 rises and drives the pin assembly 3 upward together. The pin rod 31 rises and disengages from the positioning and fixing pin seat 4. When the working cylinder 21 rises to the set height, the suspension bracket touches the upper limit switch 23, and the parking brake is released.

[0033] The above description is a detailed description of the preferred embodiments of the present utility model. However, the embodiments are not intended to limit the scope of the patent application of the present utility model. All equivalent changes or modifications made under the technical spirit of the present utility model should fall within the patent scope covered by the present utility model.

Claims

1. A three-sided braking type track gantry heavy-duty machine braking positioning parking device, characterized in that: The system includes a connecting seat, a working cylinder assembly, a pin assembly, and a positioning and fixing pin seat. One side of the connecting seat is connected to the braking device of a three-sided braking rail gantry crane, and a hanging part is provided on the upper part of the connecting seat. The upper end of the plunger rod of the working cylinder assembly is connected to the hanging part, and the lower part of the working cylinder assembly is connected to the pin assembly. A pin rod is provided at the lower end of the pin assembly. The positioning and fixing pin seat is located on one side of the rail and is fixed relative to the rail. A insertion hole is provided on the positioning and fixing pin seat, into which the pin rod can be inserted.

2. The three-sided braking type track gantry type heavy-duty machine braking positioning parking device according to claim 1, characterized in that: The lower part of the connector is provided with a guide member, and the guide member is provided with a guide hole. The pin rod is provided vertically and horizontally, and the pin rod slides through the guide hole.

3. The three-sided braking type track gantry type heavy-duty machine braking positioning parking device according to claim 1, characterized in that: It also includes a chain, through which the upper part of the pin assembly is connected to the lower part of the working cylinder assembly.

4. A three-sided braking type track gantry heavy-duty machine braking positioning parking device according to claim 3, characterized in that: The pin assembly also includes a hanging plate. The upper end of the chain is detachably connected to the hanging part via a shackle. The upper end face of the hanging plate is detachably connected to the lower end of the chain via a shackle. The pin rod is fixedly installed on the lower end face of the hanging plate.

5. A three-sided braking type track gantry type heavy-duty machine braking positioning parking device according to claim 1, characterized in that: The working cylinder assembly includes a working cylinder, a transition plate, and a hydraulic control system. The piston rod of the working cylinder is fixedly connected to the connecting seat by bolts. The cylinder body of the working cylinder is located below the connecting seat. The transition plate is installed on the cylinder body of the working cylinder. The hanging part is connected to the cylinder body of the working cylinder through the transition plate. The hydraulic control system is connected to the working cylinder through an oil pipe and controls the extension and retraction of the piston rod of the working cylinder.

6. A three-sided braking type track gantry heavy-duty machine braking positioning parking device according to claim 5, characterized in that: The hydraulic control system also includes an upper limit switch and a lower limit switch, both of which are mounted on the connecting base. The upper limit switch is located above the lower limit switch. The transition plate is provided with an extension end, which is located between the upper limit switch and the lower limit switch. The extension end of the transition plate can trigger the upper limit switch and the lower limit switch.

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