Crane walking trolley anchoring device

Abstract

A crane walking trolley anchoring device relates to the technical field of cranes, is mounted on one side of a wheel group of a crane walking trolley, and comprises a box body, a turntable, a floating brake disc and a pushing mechanism, the box body is fixedly connected with a wheel group, a turntable coaxially fastened with wheels is rotatably connected in the box body, and a plurality of grooves are formed in the surface of the turntable along the annular direction; a floating brake disc is slidably connected in the box body, and the disc surface of the floating brake disc is provided with convex teeth matched with the grooves of the rotary disc; the pushing mechanism is used for pushing the floating brake disc to be close to the rotary disc and achieving automatic anchoring through a spring. The reset spring is used for driving the floating brake disc to separate from the turntable; the pushing mechanism comprises a spline shaft, a movable shaft, a rotary sleeve and a handle, and anchoring and unlocking are achieved through manual operation. The device is convenient to operate, does not need an extra power source, reduces the cost and the system complexity, enhances the safety, can effectively prevent the crane walking trolley from being blown in windy weather, and avoids equipment damage and safety accidents.

Description

Technical Field

[0001] This utility model relates to the field of crane technology, and in particular to a crane traveling trolley anchoring device. Background Technology

[0002] In the crane industry, the anchoring device of the traveling trolley is a critical component ensuring the safety of the equipment in adverse weather conditions. Existing anchoring devices typically employ chain-type or pin-type structures, both of which have significant drawbacks. First, the operation process is cumbersome, requiring manual removal of the anchor pin, loosening of the anchor plate, and securing of the entire device. Since cranes are mostly large machines, the entire anchoring device is very heavy, undoubtedly increasing the operator's workload and operating time. Second, chain-type anchoring devices have limitations in terms of load-bearing capacity, only able to withstand tensile forces and not thrust forces, which may lead to instability in practical applications. Furthermore, pin-type anchoring structures require operators to repeatedly adjust the position of the wheel assembly to align the pin hole with the pin shaft before inserting the pin for anchoring, making operation difficult. These shortcomings are problems that urgently need to be addressed by those skilled in the art. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model discloses a crane traveling trolley anchoring device.

[0004] To achieve the above-mentioned objectives, the present invention adopts the following technical solution:

[0005] An anchoring device for a crane traveling trolley, installed on one side of the wheel assembly of the crane traveling trolley, comprising:

[0006] The housing is securely connected to the corresponding wheel assembly;

[0007] A turntable, located inside the housing, is coaxially and securely connected to one of the wheels of the wheel assembly; the turntable surface is provided with multiple grooves spaced apart along the circumference.

[0008] The floating brake disc is slidably connected to the housing, and the surface of the floating brake disc is provided with protruding teeth that can correspond to and fit the grooves on the turntable.

[0009] The pushing mechanism, located inside the housing, is used to push the floating brake disc closer to the turntable, so that the protruding teeth on the surface of the floating brake disc engage with the grooves on the surface of the turntable, and a spring is provided between the pushing mechanism and the floating brake disc.

[0010] The return spring, located between the floating brake disc and the housing, is used to drive the floating brake disc to separate from the turntable.

[0011] Preferably, the pushing mechanism comprises:

[0012] The splined shaft is securely connected to the floating brake disc.

[0013] The movable shaft has a spline hole at one end that is movably fitted to the spline shaft, and its spring is located between the spline shaft and the bottom of the spline hole; the other end of the movable shaft is provided with a helical toothed sleeve.

[0014] A rotating sleeve is rotatably connected to the housing; one end of the rotating sleeve is provided with helical teeth that are adapted to the helical toothed sleeve; the rotating sleeve rotates and pushes the movable shaft to move axially along the spline shaft.

[0015] The handle, one end of which is fastened to the rotating sleeve, is used to drive the rotating sleeve to rotate.

[0016] A strip-shaped opening is provided on the box body to allow the handle to pass through the box body.

[0017] Preferably, a contact switch is provided inside the housing corresponding to the closed or open position of the handle.

[0018] Preferably, the box body has opening and closing marks on one side corresponding to the strip opening.

[0019] Preferably, the top and bottom of the housing are provided with sliding grooves, and the floating brake disc slides in accordance with the corresponding sliding grooves through two sliders.

[0020] By adopting the technical solution described above, this utility model has the following beneficial effects:

[0021] This utility model discloses a crane traveling trolley anchoring device with a simple structure. The operator only needs to drive the rotating sleeve to rotate by turning the deflection handle, which in turn pushes the movable shaft to move, pushing the floating brake disc closer to the turntable, so that the protruding teeth insert into the groove to complete the anchoring. This design greatly simplifies the operation process, reduces the labor intensity of the operator, and improves work efficiency.

[0022] This invention incorporates a spring between the jacking mechanism and the floating brake disc. When the jacking mechanism pushes the floating brake disc closer to the turntable, if the protruding teeth on the floating brake disc surface misalign with the grooves on the turntable surface, the spring will be compressed. However, if the wheels of the crane's traveling trolley move unexpectedly, causing the wheels to rotate the turntable, the protruding teeth on the floating brake disc surface will align with the grooves on the turntable surface. The spring will then drive the floating brake disc closer to the turntable, causing the protruding teeth to insert into the grooves, thus achieving anchoring. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the installation structure of this utility model;

[0024] Figure 2 This is a cross-sectional view of the present invention;

[0025] Figure 3 This is a schematic diagram of the turntable structure;

[0026] Figure 4 This is a schematic diagram of the floating brake disc structure;

[0027] Figure 5 This is a schematic diagram of the movable shaft.

[0028] Figure 6 This is a schematic diagram of the rotating sleeve.

[0029] In the diagram: 1. Wheel assembly; 2. Housing; 3. Turntable; 4. Floating brake disc; 5. Spring; 6. Return spring; 7. Splined shaft; 8. Movable shaft; 9. Rotating sleeve; 10. Handle; 11. Strip opening. Detailed Implementation

[0030] 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", "rear", "left", "right" indicating the orientation or positional relationship, they are only corresponding to the drawings of this application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation.

[0031] Example 1, in conjunction with Appendix Figures 1-6 An anchoring device for a crane traveling trolley is installed on one side of the wheel set 1 of the crane traveling trolley and includes a housing 2, a turntable 3, a floating brake disc 4 and a jacking mechanism.

[0032] Specifically, the housing 2 is fastened to the wheel assembly 1, and a turntable 3 is rotatably connected inside it, as shown in the attached diagram. Figure 3 As shown in the diagram. The turntable 3 is coaxially and securely connected to the wheel of the wheel assembly 1 at the corresponding position in the housing 2, and the surface of the turntable 3 has multiple grooves spaced circumferentially. A floating brake disc 4 is also slidably connected inside the housing 2, as shown in the attached diagram. Figure 4 As shown. Preferably, the top and bottom of the housing 2 are provided with sliding grooves, and the floating brake disc 4 slides in accordance with the corresponding sliding grooves through two sliders, which can effectively improve the stability of the floating brake disc 4. The floating brake disc 4 can move away from or towards the turntable 3, and its disc surface is provided with protruding teeth that correspond to and fit the grooves on the turntable 3. When the floating brake disc 4 moves closer to the turntable 3, the protruding teeth can be inserted into the grooves on the disc surface of the turntable 3. Since the floating brake disc 4 can only move away from or towards the turntable 3 along the housing 2 and cannot rotate, the rotation of the turntable 3 is restricted after the protruding teeth are inserted into the grooves, thereby restricting the rotation of the corresponding wheels of the wheel set 1, realizing the purpose of anchoring the crane traveling trolley, and effectively preventing the crane traveling trolley from moving randomly in windy weather.

[0033] To facilitate the pushing of the floating brake disc 4, a pushing mechanism is installed inside the housing 2, and a spring 5 is installed between the pushing mechanism and the floating brake disc 4. When the pushing mechanism pushes the floating brake disc 4 closer to the turntable 3, if the protrusions on the surface of the floating brake disc 4 are misaligned with the grooves on the surface of the turntable 3, the spring 5 will be compressed. However, if the wheel assembly 1 of the crane's traveling trolley moves unexpectedly, the wheels will drive the turntable 3 to rotate, causing the protrusions on the surface of the floating brake disc 4 to align with the grooves on the surface of the turntable 3. The spring 5 will then drive the floating brake disc 4 closer to the turntable 3, causing the protrusions to insert into the grooves and achieve anchoring. This design eliminates the need for operators to repeatedly adjust the wheel rotation to align the protrusions with the grooves, making operation simple and convenient.

[0034] In addition, a return spring 6 is installed between the floating brake disc 4 and the housing 2 to drive the floating brake disc 4 to separate from the turntable 3. When the wheel assembly 1 of the crane traveling trolley needs to move, the pushing mechanism is controlled to move backward, removing the pushing force on the floating brake disc 4. The return spring 6 can then push the floating brake disc 4 backward, causing the teeth to separate from the grooves, thereby unlocking the wheel assembly 1. It should be noted that the elastic force of the return spring 6 should be less than that of the spring 5 to ensure that the wheel assembly 1 can be effectively anchored.

[0035] Regarding the specific form of the jacking mechanism, it can be a telescopic cylinder, but this structure requires an additional power source to power the telescopic cylinder, increasing complexity and cost. Therefore, this embodiment prefers another mechanical structure that does not require an additional power source to improve the economy and practicality of the device. The jacking mechanism includes a splined shaft 7 securely connected to the floating brake disc 4, and a movable shaft 8 with a splined hole at one end that can movably engage with the splined shaft 7, as shown in the attached figure. Figure 5 As shown. Spring 5 is located between the splined shaft 7 and the bottom of the splined hole, allowing the movable shaft 8 to push the splined shaft 7 via the push spring 5. The other end of the movable shaft 8 is equipped with a helical toothed sleeve. The housing 2 is rotatably connected to a rotating sleeve 9, as shown in the attached diagram. Figure 6 As shown, one end of the rotating sleeve 9 is provided with helical teeth that correspond to and are adapted to the helical sleeve. When the rotating sleeve 9 rotates, it can push the movable shaft 8 to move axially along the spline shaft 7. A handle 10 is fastened to one side of the rotating sleeve 9, and a strip-shaped opening 11 is provided on the housing 2 for the handle 10 to pass through the housing 2.

[0036] When the crane's traveling trolley needs to be anchored, the operator drives the rotating sleeve 9 to rotate by turning the deflection handle 10, which in turn pushes the movable shaft 8. The movable shaft 8 then pushes the spring 5 to push the splined shaft 7, which in turn pushes the floating brake disc 4 closer to the turntable 3, causing the convex teeth to insert into the grooves on the surface of the turntable 3, thus completing the anchoring operation. This mechanical structure's pushing mechanism is not only easy to operate but also requires no additional power source, reducing the system's complexity and cost, and improving the reliability and economy of the device.

[0037] Example 2 provides a crane traveling trolley anchoring device, which differs from Example 1 in that, based on Example 1, a contact switch is provided inside the housing 2 corresponding to the closed or open position of the handle 10. A warning light can be installed in the crane cab, and controlled by the contact switch, to remind the operator whether the wheel assembly 1 is in an anchored state, preventing accidental operation of the wheel assembly 1 if it is not unlocked.

[0038] Furthermore, the box body 2 is provided with opening and closing marks on one side of the strip opening 11, which are not shown in the figure. The operator can determine whether the wheel set 1 is in the anchored state by using the opening and closing marks.

[0039] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and are intended to include all changes that fall within the meaning and scope of equivalents within this utility model.

Claims

1. A crane traveling trolley anchoring device, installed on one side of the wheel set (1) of the crane traveling trolley, characterized in that it comprises: The housing (2) is fastened to the wheel assembly (1); The turntable (3) is located inside the housing (2) and is coaxially and securely connected to one of the wheels of the wheel set (1); the turntable (3) has multiple grooves spaced around its surface in the circumferential direction. The floating brake disc (4) is slidably connected to the housing (2), and the surface of the floating brake disc (4) is provided with protruding teeth that can be matched with the groove on the turntable (3); The push mechanism is located inside the housing (2) and is used to push the floating brake disc (4) closer to the turntable (3) so that the protruding teeth on the surface of the floating brake disc (4) mesh with the groove on the surface of the turntable (3). A spring (5) is provided between the push mechanism and the floating brake disc (4). The return spring (6) is located between the floating brake disc (4) and the housing (2) and is used to drive the floating brake disc (4) to separate from the turntable (3).

2. The crane traveling trolley anchoring device as described in claim 1, characterized in that, The pushing mechanism includes: The spline shaft (7) is fastened to the floating brake disc (4); The movable shaft (8) has a spline hole at one end that is movably fitted to the spline shaft (7), and its spring (5) is located between the spline shaft (7) and the bottom of the spline hole; the other end of the movable shaft (8) is provided with a helical tooth sleeve. Rotary sleeve (9) is rotatably connected to housing (2); one end of the rotating sleeve (9) is provided with a helical tooth that is adapted to the helical tooth sleeve; the rotating sleeve (9) rotates and pushes the movable shaft (8) to move axially along the spline shaft (7); The handle (10) is fastened at one end to the rotating sleeve (9) and is used to drive the rotating sleeve (9) to rotate; A strip-shaped opening (11) is provided on the box body (2) to allow the handle (10) to pass through the box body (2).

3. The crane traveling trolley anchoring device as described in claim 2, characterized in that: The housing (2) is equipped with a contact switch corresponding to the closed or open position of the handle (10).

4. The crane traveling trolley anchoring device as described in claim 2, characterized in that: The box (2) has opening and closing marks on one side corresponding to the strip opening (11).

5. The crane traveling trolley anchoring device as described in claim 1, characterized in that: The top and bottom of the housing (2) are provided with sliding grooves, and the floating brake disc (4) slides in accordance with the corresponding sliding grooves through two sliders.

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