Manual and automatic integrated portal crane trolley anchoring device

Abstract

The utility model relates to the technical field of cranes, and provides a manual and automatic integrated portal crane trolley anchoring device which comprises a hinged shaft seat, an electric cylinder, a transition joint, an anchoring pin shaft, an anchoring pin shaft handle and an anchoring seat, the hinged shaft seat is fixed at the lower part of the portal crane trolley; the electric cylinder is mounted on the hinged shaft seat, and a transition joint is arranged on a push rod of the electric cylinder; an L-shaped notch is formed in the transition joint; an anchoring pin shaft handle is welded on the anchoring pin shaft; the anchoring pin shaft is connected with the transition joint through the anchoring pin shaft handle; the hinged shaft seat, the electric cylinder, the transition joint and the anchoring pin shaft are vertically arranged; the anchoring seat is fixedly installed on the main beam, and an anchoring hole which is arranged upwards is reserved in the anchoring seat. According to the utility model, a manual anchoring function and an automatic anchoring function are integrated, the workload of workers is reduced, and the safety and convenience of operation are improved.

Description

Technical Field

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

[0002] Gantry crane is a variation of bridge crane. Its main components include gantry, trolley running mechanism, lifting trolley (divided into upper trolley and lower trolley) and electrical system. Gantry crane is mainly used for the transfer and loading and unloading of goods in ports and cargo yards. After the lifting operation is completed, the lifting trolley needs to be anchored at a designated position on the main beam of the gantry crane to prevent the lifting trolley from being displaced due to external forces when not in operation, so as to protect the safety of on-site equipment and staff.

[0003] At present, the trolleys on gantry cranes are mostly anchored manually, that is, a manual anchoring pin is set at the lower part of the trolley near the track, and two limit baffles or pin holes are set at the anchoring point beside the track to position the anchoring pin. In the non-working state, after the trolley stops at the designated position, the staff manually releases the anchoring pin into the limit device to anchor the trolley. There are generally two upper and lower trolleys running on the main beam of the gantry crane, with a total of four anchoring points. The staff needs to go to the anchoring points one by one to anchor, which is time-consuming, inefficient and dangerous.

[0004] With the continuous advancement of crane technology in my country, gantry cranes are developing in the direction of automation and intelligence. In order to reduce the operating difficulty of drivers, improve work efficiency and optimize the working environment, automatic anchoring devices for crane trolleys are beginning to appear on the market. Although the existing trolley automatic anchoring device is better than the manual anchoring device in terms of operation convenience and safety, it cannot be anchored under special working conditions or fault conditions, and its reliability and flexibility are lower than the manual anchoring device. Utility Model Content

[0005] The utility model mainly solves the technical problems that the manual anchoring device in the prior art increases the workload of the staff, has poor safety and low efficiency, and the automatic anchoring device cannot anchor under special working conditions or system failure conditions, has low reliability and poor flexibility. A manual and automatic integrated gantry crane trolley anchoring device is proposed, which integrates manual anchoring function and automatic anchoring function, reduces the workload of the staff, and improves the safety and convenience of operation.

[0006] The utility model provides a manual and automatic integrated gantry crane trolley anchoring device, comprising: a hinge shaft seat, an electric cylinder, a transition section, an anchor pin shaft, an anchor pin shaft handle and an anchor seat;

[0007] The hinge shaft seat is fixed to the lower part of the gantry crane trolley;

[0008] The electric cylinder is mounted on the hinge shaft seat, and a transition section is arranged on the push rod of the electric cylinder; an "L"-shaped notch is opened on the transition section;

[0009] An anchor pin handle is welded on the anchor pin; the anchor pin is connected to the transition section via the anchor pin handle;

[0010] The hinge shaft seat, electric cylinder, transition joint and anchor pin shaft are arranged vertically;

[0011] The anchor seat is fixedly mounted on the main beam, and an upwardly disposed anchor hole is left on the anchor seat.

[0012] Preferably, the anchor pin handle is connected to an anchor pin safety switch.

[0013] Preferably, a first travel switch is arranged on one side of the anchor pin shaft, and a second travel switch is arranged on the other side.

[0014] Preferably, safety rulers are respectively provided on the sides of the anchoring seat.

[0015] Preferably, the anchor pin handle is in an "L" shape, and the anchor pin handle is placed in the "L"-shaped notch of the transition section.

[0016] The utility model provides a manual and automatic integrated gantry crane trolley anchoring device, which installs the anchor pin shaft and the electric cylinder together, adds a transition section in the middle, and sets an anchor pin shaft handle. The anchor pin shaft can be anchored automatically or manually, thereby retaining the original manual anchoring function and adding the automatic anchoring function, improving the safety and convenience of the anchoring device while still retaining the advantages of flexibility and reliability of the manual anchoring device. When the push rod of the electric cylinder fails, the anchor pin shaft can be manually inserted into the anchor hole to ensure that the gantry crane trolley can still be locked in the case of power failure or electric cylinder push rod failure. The utility model uses a vertical anchoring method, and the main part is arranged on the gantry crane trolley. While saving space and facilitating manufacturing, it allows the staff to save more effort during manual anchoring operations, reduces the workload of the staff, and has high safety and efficiency. The PLC controller and the travel switch are used to accurately control the anchoring process of the gantry crane trolley, which improves the safety and intelligence of the anchoring device.

[0017] The utility model is aimed at the anchoring operation of the gantry crane trolley on the main beam, and integrates the manual anchoring function and the automatic anchoring function. It can safely, reliably and conveniently anchor the gantry crane trolley at the specified position. On the premise of retaining the flexible and reliable advantages of the manual anchoring device, it reduces the workload of the staff and improves the safety and convenience of the operation. It solves the problem that the automatic anchoring device cannot be anchored under special working conditions or fault conditions, and has high reliability and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the manual and automatic integrated gantry crane trolley anchoring device provided by the utility model;

[0019] Figure 2 The utility model is a structural schematic diagram of a hinge shaft seat, an electric cylinder, a transition joint, an anchor pin shaft and an anchor pin shaft handle provided by the utility model.

[0020] Figure numerals: 1. hinge seat; 2. electric cylinder; 3. transition section; 4. anchor pin; 5. anchor pin handle; 6. anchor seat; 7. anchor pin safety switch; 8. first stroke switch; 9. second stroke switch; 10. safety ruler; 11. "L"-shaped notch. DETAILED DESCRIPTION

[0021] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for the sake of ease of description, only the parts related to the present invention are shown in the accompanying drawings, rather than all of the contents.

[0022] like Figure 1-2 As shown, an embodiment of the utility model provides a manual-automatic integrated gantry crane trolley anchoring device, comprising: a hinge seat 1, an electric cylinder 2, a transition section 3, an anchor pin 4, an anchor pin handle 5, an anchor seat 6 and an anchor pin safety switch 7.

[0023] The hinge seat 1 is fixed to the lower part of the gantry crane trolley; the hinge seat 1 is connected to the gantry crane trolley by bolts or welding.

[0024] The electric cylinder 2 is installed on the hinge seat 1, and the electric cylinder 2 can rotate on the hinge seat 1. A transition section 3 is provided on the push rod of the electric cylinder 2. An "L"-shaped notch 11 is provided on the transition section 3, that is, there are a section of transverse groove (in the radial direction of the transition section 3) and a section of vertical groove (in the axial direction of the transition section 3) connected to each other on the transition section 3. Figure 2As shown. An anchor pin handle 5 is welded on the anchor pin 4; the anchor pin 4 is connected to the transition section 3 through the anchor pin handle 5. Specifically, the anchor pin handle 5 is "L"-shaped, and the anchor pin handle 5 is placed in the "L"-shaped notch 11 of the transition section 3. The anchor pin handle 5 is rotated in the horizontal groove (the transition section 3 rotates in the circumferential direction), and the anchor pin handle 5 is rotated to the top of the vertical groove. The anchor pin handle 5 can move up and down in the vertical groove (move in the axial direction of the transition section 3), thereby pushing the anchor pin 4 to move up and down, causing the anchor pin 4 to fall.

[0025] The anchor pin shaft handle 5 is connected to an anchor pin shaft safety switch 7; the anchor pin shaft safety switch 7 is electrically connected to the control part of the gantry crane trolley. A first travel switch 8 is arranged on one side of the anchor pin shaft 4, and a second travel switch 9 is arranged on the other side.

[0026] The hinge shaft seat 1, electric cylinder 2, transition joint 3, and anchor pin shaft 4 are arranged vertically; while saving space and facilitating manufacturing, it allows workers to save effort during manual anchoring operations and reduces their workload.

[0027] The anchor seat 6 is fixedly mounted on the main beam of the gantry crane, and specifically the anchor seat 6 is fixed at the anchor point beside the track of the gantry crane, and an upwardly disposed anchor hole is left on the anchor seat 6. Safety rulers 10 are respectively disposed on two sides of the anchor seat 6.

[0028] The gantry crane trolley is operated by the staff through the control terminal or remote control device in the cab. The extension and retraction of the push rod of the electric cylinder 2 is remotely controlled by the PLC controller. The PLC controller can accurately control the extension length of the electric cylinder 2 to ensure the safety and reliability of the anchoring of the gantry crane trolley. The PLC controller can be set in the cab.

[0029] The working process of the utility model: after the gantry crane trolley finishes working, the staff manipulates the gantry crane trolley to move to the anchor point (the location of the anchor seat 6). The first travel switch 8 and the second travel switch 9 located on the front and rear sides of the anchor pin shaft 4 are normally closed at ordinary times and are opened after the gantry crane trolley enters the anchoring working state. The safety ruler 10 cooperates with the first travel switch 8 and the second travel switch 9 to complete the positioning of the gantry crane trolley.

[0030] After the gantry crane trolley reaches the anchor point, the gantry crane trolley stops running. At this time, the anchor pin shaft 4 located below the gantry crane trolley is just above the anchor seat 6. At this time, the electric cylinder 2 extends the push rod, driving the transition section 3 and the anchor pin shaft 4 to move downward, so that the anchor pin shaft 4 penetrates the anchor hole on the anchor seat 6 and locks, completing the anchoring of the gantry crane trolley. The anchor pin shaft safety switch 7 is a travel switch. When the push rod of the electric cylinder 2 is extended, the anchor pin shaft handle 5 will be driven to move forward, and the anchor pin shaft safety switch 7 located above the anchor pin shaft handle 5 will be disconnected, and then a signal will be sent to the control part of the gantry crane trolley. The running circuit of the gantry crane trolley walking mechanism is disconnected, and the gantry crane trolley cannot be started, thus avoiding the damage to the mechanism caused by the gantry crane trolley starting in the anchored state. The hinge seat 1 is fixed to the lower part of the trolley, so that the anchor pin shaft 4 can be offset by a certain angle when inserted into the anchor hole to avoid damage to the electric cylinder 2.

[0031] The utility model can realize automatic anchoring, and the transition section 3, the anchor pin 4, and the anchor pin handle 5 can also realize manual anchoring. When the above-mentioned automatic anchoring structure cannot work due to special working conditions, power failure or system failure, the staff can perform manual anchoring. When manually anchoring, the anchor pin handle 5 is rotated along the "L"-shaped groove and then pushed downward, so that the anchor pin 4 can be inserted into the anchor hole on the anchor seat 6, so that the gantry crane trolley is locked. When anchoring, the anchor pin handle 5 moves downward, and the anchor pin safety switch 7 located above the anchor pin handle 5 will be disconnected, thereby disconnecting the operating circuit of the gantry crane trolley walking mechanism, and the gantry crane trolley cannot be started, thereby avoiding damage to the mechanism caused by starting the gantry crane trolley in the anchored state.

[0032] The electric cylinder 2 and the hinge seat 1 of the utility model are connected by a pin and a cotter pin, and the end of the push rod of the electric cylinder 2 is also connected to the transition section 3 by a pin and a cotter pin. Both connection forms provide rotational freedom for the components, while ensuring the rigidity and stability of the overall structure, the anchor pin 4 can be offset at a certain angle when inserted into the anchor hole to avoid damage to the electric cylinder 2. The anchor pin 4 is connected to the transition section 3 through the anchor pin handle 5. By rotating and pushing the anchor pin handle 5 downward, the anchor pin 4 can be manually released to fall into the anchor hole, that is, manual anchoring.

[0033] The utility model is compatible with both automatic and manual anchoring modes, has good structural stability, safety and reliability, and can effectively reduce the workload of staff and improve work efficiency. The number of anchoring devices for the trolley of the gantry crane of the utility model can be set according to the situation. Generally, two groups are set for the upper trolley and the lower trolley, and the four electric cylinders 2 are synchronously controlled to ensure the synchronization of the anchoring of the upper and lower trolleys.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that modifying the technical solutions recorded in the aforementioned embodiments, or replacing part or all of the technical features therein by equivalents, does not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A manual and automatic integrated gantry crane trolley anchoring device, characterized in that: include: A hinge shaft seat (1), an electric cylinder (2), a transition joint (3), an anchor pin shaft (4), an anchor pin shaft handle (5) and an anchor seat (6); The hinge shaft seat (1) is fixed to the lower part of the trolley of the gantry crane; The electric cylinder (2) is mounted on the hinge shaft seat (1), and a transition section (3) is provided on the push rod of the electric cylinder (2); an "L"-shaped notch (11) is provided on the transition section (3); An anchor pin handle (5) is welded on the anchor pin (4); the anchor pin (4) is connected to the transition joint (3) via the anchor pin handle (5); The hinge shaft seat (1), the electric cylinder (2), the transition joint (3), and the anchor pin shaft (4) are arranged vertically; The anchor seat (6) is fixedly mounted on the main beam, and an anchor hole arranged upward is left on the anchor seat (6).

2. The manual and automatic integrated gantry crane trolley anchoring device according to claim 1 is characterized in that: The anchor pin shaft handle (5) is connected to an anchor pin shaft safety switch (7).

3. The manual and automatic integrated gantry crane trolley anchoring device according to claim 1 is characterized in that: A first travel switch (8) is arranged on one side of the anchor pin shaft (4), and a second travel switch (9) is arranged on the other side.

4. The manual and automatic integrated gantry crane trolley anchoring device according to claim 3 is characterized in that: Safety rulers (10) are respectively arranged on the sides of the anchoring seat (6).

5. The manual and automatic integrated gantry crane trolley anchoring device according to claim 1 is characterized in that: The anchor pin shaft handle (5) is in an "L" shape, and the anchor pin shaft handle (5) is placed in the "L" shaped notch (11) of the transition section (3).

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