Trolley device and crane

Abstract

The utility model relates to the technical field of hoist, disclose bracket device and hoist, bracket device, include: mount, be used for with the car body connection of hoist, support frame, one end forms the connecting end, and support frame is hinged with the mount through the connecting end of self, and the side wall surface of support frame forms the load -bearing surface for placing the support leg base plate, drive structure, set up in the mount and drive connection with support frame, the utility model sets up support frame and drive structure on the mount, and drive structure can drive support frame switches between the support state and the storage state, when the bracket device installs on the car body of hoist, need to place support leg base plate, directly support frame switches for support state, need not place support leg base plate, support frame switches for storage state, and the overall structure of bracket device is stable and reliable, and support frame state switches rapidly and need not operating personnel manual installation and dismounting, greatly reduced the time and step that need to spend when bracket device uses.

Description

Technical Field

[0001] This utility model relates to the field of crane technology, specifically to a bracket device and a crane. Background Technology

[0002] Wheeled cranes are mobile lifting equipment that combines travel and lifting functions, widely used in engineering construction, logistics transportation, emergency rescue, and other fields. When a wheeled crane is in operation, outrigger pads need to be laid under its legs. These pads effectively distribute the ground pressure on the outriggers, preventing ground subsidence and ensuring the crane remains stable during operation, thus improving operational safety. When relocating a wheeled crane, the outrigger pads must be carried along with it.

[0003] Currently, to facilitate the transfer of outrigger pads, existing wheeled cranes are generally equipped with detachable brackets. When the wheeled crane moves a short distance, the brackets can be installed on the crane body to place the outrigger pads. However, when the wheeled crane needs to move a long distance, the brackets need to be disassembled and a separate transport vehicle is used to transport the brackets and outrigger pads. The disassembly and assembly process of the brackets takes a lot of time during operation, which is inconvenient. Utility Model Content

[0004] This utility model provides a bracket device and a crane to solve the problem of poor ease of use of the bracket in existing wheeled cranes.

[0005] In a first aspect, the present invention provides a bracket device, comprising: a mounting frame for connecting to the body of a crane; a support frame having a connecting end at one end, the support frame being hinged to the mounting frame via its connecting end, and a side wall of the support frame forming a bearing surface for placing outrigger pads; and a drive structure disposed on the mounting frame and drivenly connected to the support frame; wherein the support frame has a supporting state in which it swings to a first position in a direction away from the mounting frame, and a retracted state in which it swings to a second position in a direction close to the mounting frame.

[0006] Beneficial effects: The mounting frame is equipped with a support frame and a drive structure. The drive structure can switch the support frame between a supported state and a retracted state. When the bracket device is installed on the crane body and outrigger pads need to be placed, the support frame can be switched to the supported state directly without placing outrigger pads. When the support frame is switched to the retracted state, the overall structure of the bracket device is stable and reliable. The support frame state switching is rapid and does not require manual installation and disassembly by operators, which greatly reduces the time and steps required to use the bracket device and effectively solves the problem of poor ease of use of the brackets of existing wheeled cranes.

[0007] In one alternative embodiment, the bracket device further includes a protective frame, with one end of the support frame away from the connecting end forming a mounting end, the protective frame disposed at the mounting end, and at least a portion of the mounting end located on one side of the bearing surface.

[0008] Beneficial effects: Installing a protective frame on the support frame can effectively enhance the protective capability of the support frame when it is in the retracted state. When the support frame is in the retracted state and the crane is traveling on the road, the protective frame can act as a crash beam. When a vehicle collides with the crane from behind, the protective frame can prevent the vehicle from being pulled into the chassis of the crane body, ensuring the safety of the occupants of the vehicle behind in the event of a rear-end collision. In addition, when the support frame is in the supported state, the protective frame can also act as a limiter, preventing materials or pads placed on the load-bearing surface from sliding directly off the protective frame.

[0009] In one alternative embodiment, the bracket assembly has a first direction parallel to the swing axis of the support frame; The protective frame includes a protective beam and multiple connecting seats. The multiple connecting seats are spaced apart on the bearing surface along a first direction, and the protective beam extends along the first direction and is fixedly connected to each connecting seat.

[0010] Beneficial effects: This type of protective frame structure is simple, reliable, and easy to manufacture. In addition, the structure of the protective beam and connecting seat can effectively buffer the impact. The deformation process of the protective beam and connecting seat can effectively absorb energy, thereby reducing the damage to the support frame and the vehicle body.

[0011] In one alternative embodiment, the bracket device further includes a tire bracket detachably mounted on a support frame, the tire bracket being used to secure the spare tire to the support frame.

[0012] Beneficial effects: Setting up the tire bracket in this way can effectively utilize the space on one side of the support frame to place the spare tire. This not only saves the layout space of the crane body, but also allows the spare tire to be taken out and replaced in time when the crane tire is damaged.

[0013] In one alternative embodiment, the wall surface of the support frame on the side opposite to the bearing surface forms a mating surface, and the tire bracket is connected to the mating surface. When the mounting bracket is in the retracted state, the space between the mating surface and the mounting bracket forms a receiving space, which is used to accommodate the tire bracket and the spare tire.

[0014] Beneficial effects: Arranging the tire bracket and spare tire in this manner can make fuller use of the space between the mating surface and the mounting frame, greatly improving the space utilization efficiency of the bracket device. In addition, in the event of an impact, the spare tire can also provide cushioning between the support frame and the mounting frame.

[0015] In one optional embodiment, the driving structure is a telescopic rod, which includes a fixed section and a movable section. The fixed section is hinged to the mounting frame, and the movable section is telescopically disposed within the fixed section. The end of the movable section is hinged to the support frame.

[0016] Beneficial effects: The drive structure is simple and reliable. After the support frame switches to the support state, this type of drive structure can effectively support the support frame, improving the stability and reliability of the support frame during operation.

[0017] In one alternative embodiment, the bracket assembly has a first direction parallel to the swing axis of the support frame; There are multiple drive structures, which are spaced apart along the first direction, and the tire brackets are located between adjacent drive structures.

[0018] Beneficial effects: Multiple drive structures can provide more stable and reliable support and drive support frame. In addition, by setting the tire bracket in this form, the drive structure can limit and protect the spare tire, preventing foreign objects from contacting the spare tire from one side.

[0019] In one alternative embodiment, the bracket device includes a first pin, a second pin, and a third pin, which are respectively parallel to the swing axis of the support frame. The support frame is hinged to the mounting frame via the first pin. The mounting bracket is provided with a first ear plate, and the fixed section is hinged to the first ear plate by a second pin. The support frame has a second ear plate on its mating surface, and the moving section is hinged to the second ear plate via a third pin.

[0020] Beneficial effects: The pin connection is simple and reliable, and easy to process and manufacture.

[0021] Secondly, this utility model also provides a crane, which includes: a body, one end of which forms an assembly end; the aforementioned bracket device, wherein the mounting frame of the bracket device is fixedly connected to the assembly end, and when the support frame of the bracket device is in a supported state, the bearing surface of the support frame and at least a portion of the wall surface of the body together form a placement platform.

[0022] Beneficial effects: With this type of bracket device, after the support leg pads are placed on the placement platform, only part of the weight is applied to the support frame, which can prevent the support frame from being damaged due to excessive stress.

[0023] In one alternative embodiment, the crane further includes a control switch electrically connected to the drive structure of the bracket assembly, the control switch being disposed at the assembly end and located on one side of the bracket assembly. In one alternative embodiment...

[0024] Beneficial effects: Operators can control the working status of the support frame by operating the control switch. The operation is convenient and quick, and it also ensures that the operator can observe the surrounding situation in real time from one side of the bracket device, avoiding collisions between the bracket device and external objects. Attached Figure Description

[0025] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a front view of a bracket device in a supported state according to an embodiment of the present utility model; Figure 2 for Figure 1 The front view of the bracket assembly in its stowed state; Figure 3 for Figure 2 A cross-sectional view of the bracket assembly shown; Figure 4 for Figure 1 Side view of the bracket assembly shown; Figure 5 for Figure 1 Top view of the bracket assembly shown; Figure 6 for Figure 2 Side view of the bracket assembly shown; Figure 7 for Figure 2 Top view of the bracket assembly shown; Figure 8 This is an assembly diagram of a crane according to an embodiment of the present utility model.

[0027] Explanation of reference numerals in the attached figures: 1. Mounting bracket; 101. First ear plate; 2. Support frame; 201. Connecting end; 202. Bearing surface; 203. Mounting end; 204. Mating surface; 205. Second ear plate; 3. Drive structure; 301. Fixed section; 302. Moving section; 4. Protective frame; 401. Protective beam; 402. Connecting seat; 5. Tire bracket; 6. First pin; 7. Second pin; 8. Third pin; 9. Body; 901. Assembly end; 10. Spare tire; 11. Control switch; 12. Outrigger pad; X, the first direction. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] The following is combined Figures 1 to 8 The following describes embodiments of the present invention.

[0030] According to an embodiment of the present invention, a bracket device is provided, comprising: a mounting frame 1, a support frame 2, and a drive structure 3.

[0031] Mounting bracket 1 is used to connect to the crane body 9; The support frame 2 has a connecting end 201 at one end. The support frame 2 is hinged to the mounting frame 1 through its own connecting end 201. A bearing surface 202 for placing the support leg pad 12 is formed on one side wall of the support frame 2. Drive structure 3 is mounted on mounting frame 1 and drivenly connected to support frame 2; The support frame 2 has a supporting state in which it swings to a first position away from the mounting frame 1, and a storage state in which it swings to a second position towards the mounting frame 1.

[0032] The bracket device of this embodiment has a support frame 2 and a drive structure 3 on the mounting frame 1. The drive structure 3 can drive the support frame 2 to switch between a supporting state and a retracted state. When the bracket device is installed on the crane body and the outrigger pad 12 needs to be placed, the support frame 2 can be switched to the supporting state directly without placing the outrigger pad 12. The support frame 2 can be switched to the retracted state directly. The overall structure of the bracket device is stable and reliable. The support frame 2 can switch states quickly without the need for manual installation and disassembly by the operator. This greatly reduces the time and steps required when using the bracket device and effectively solves the problem of poor ease of use of the bracket of the existing wheeled crane.

[0033] Specifically, the specific driving form of the driving structure 3 is not limited. It can be a telescopic driving structure, in which the driving structure 3 drives the support frame 2 to swing by telescopic means. Alternatively, the driving structure 3 can be a rotary driving device set at the hinge position between the support frame 2 and the mounting frame 1, in which the driving structure 3 drives the hinge shaft to rotate, thereby enabling the support frame 2 to swing.

[0034] It should be noted that the bearing surface 202 of the support frame 2 can be used not only to place the outrigger pad 12, but also to place other components required during the operation.

[0035] In one embodiment, the bracket device further includes a protective frame 4, with the end of the support frame 2 away from the connecting end 201 forming a mounting end 203, the protective frame 4 being disposed on the mounting end 203, and at least a portion of the mounting end 203 being located on one side of the bearing surface 202.

[0036] The protective frame 4 installed on the support frame 2 can effectively improve the protective capability of the support frame 2 when it is in the retracted state. When the support frame 2 is in the retracted state and the crane is traveling on the road, the protective frame 4 can act as a crash beam. When a vehicle behind collides with the crane, the protective frame 4 can prevent the vehicle behind from being rolled into the chassis of the crane body, ensuring the safety of the people inside the vehicle behind in the event of a rear-end collision. In addition, when the support frame 2 is in the supported state, the protective frame 4 can also act as a limiter to prevent materials or pads placed on the bearing surface 202 from sliding directly off the protective frame 4.

[0037] Specifically, there is no limitation on the specific connection form of the protective frame 4. The protective frame 4 can be directly installed on the bearing surface 202, or installed on the end face of the installation end 203, or installed on the wall surface of the support frame 2 opposite to the bearing surface 202, as long as it can play a protective role.

[0038] In one embodiment, the bracket device has a first direction X parallel to the swing axis of the support frame 2; The protective frame 4 includes a protective beam 401 and multiple connecting seats 402. The multiple connecting seats 402 are spaced apart along the first direction X on the bearing surface 202. The protective beam 401 extends along the first direction X and is fixedly connected to each connecting seat 402. This type of protective frame 4 has a simple, reliable structure and is easy to process and manufacture. In addition, the structure of the protective beam 401 and the connecting seats 402 can also effectively play a buffering role in the event of a collision. The deformation process of the protective beam 401 and the connecting seats 402 can effectively absorb energy, thereby reducing the damage to the support frame 2 and the vehicle body 9.

[0039] The first direction refers to Figure 4 The direction of the "X" indicated by the middle arrow is also the width direction of the crane.

[0040] Specifically, such as Figure 2 and Figure 7 As shown, the connecting seat 402 is a bent support structure with several supporting ribs to improve the overall structural strength of the connecting seat 402. The protective beam 401 is a beam structure with an internal cavity, which improves its bending resistance and reduces its weight. In addition, it is easier to collapse and absorb energy in the event of a collision.

[0041] In one embodiment, the bracket device further includes a tire bracket 5, which is detachably mounted on the support frame 2. The tire bracket 5 is used to fix the spare tire 10 on the support frame 2. By setting the tire bracket 5 in this way, the space on one side of the support frame 2 can be effectively used to place the spare tire 10. This not only saves the layout space of the crane body, but also allows the spare tire 10 to be taken out and replaced in time when the crane tire is damaged.

[0042] The specific structural form of the tire bracket 5 is not limited. The tire bracket 5 can be a shield-type structure, which forms an accommodating space by the tire bracket 5 and the support frame 2 to accommodate the spare tire 10. The tire bracket 5 can also be a through-type bracket, which connects to the support frame 2 after passing through the connecting hole in the middle of the spare tire 10. The structure is more compact and easier to use.

[0043] In one embodiment, the wall surface of the support frame 2 on the side opposite to the bearing surface 202 forms a mating surface 204, and the tire bracket 5 is connected to the mating surface 204. When the mounting bracket 1 is in the storage state, the space between the mating surface 204 and the mounting bracket 1 forms a receiving space, which is used to accommodate the tire bracket 5 and the spare tire 10.

[0044] Arranging the tire bracket 5 and the spare tire 10 in this manner allows for more efficient use of the space between the mating surface 204 and the mounting frame 1, greatly improving the space utilization efficiency of the bracket device. In addition, the spare tire 10 can also provide cushioning between the support frame 2 and the mounting frame 1 in the event of an impact.

[0045] Specifically, it should be noted that the structural form of the mounting bracket 1 is not limited; it can be a plate structure or a frame structure. If the mounting bracket 1 is a plate structure, then the tire bracket 5 and the spare tire 10 are located between the mating surface 204 and the mounting bracket 1. If the mounting bracket 1 is a frame structure, then the tire bracket 5 and the spare tire 10 are actually located between the rear end face of the vehicle body 9 and the mating surface 204.

[0046] In one embodiment, the drive structure 3 is a telescopic rod, which includes a fixed section 301 and a movable section 302. The fixed section 301 is hinged to the mounting frame 1, and the movable section 302 is telescopically disposed in the fixed section 301. The end of the movable section 302 is hinged to the support frame 2. The drive structure 3 is simple and reliable. After the support frame 2 switches to the support state, this type of drive structure 3 can effectively support the support frame 2, improving the stability and reliability of the support frame 2 during operation.

[0047] Specifically, there is no limitation on the specific type of telescopic rod. It can be a pneumatic cylinder, a hydraulic cylinder, an electric cylinder, or a telescopic rod driven by a motor. The choice can be flexible according to the requirements.

[0048] Furthermore, such as Figure 1 and Figure 3 As shown, in order to ensure the smooth operation of the drive structure 3, it is necessary to avoid dead points in its design. That is, it is necessary to avoid situations where the extension line of the driving force applied by the drive structure 3 to the support frame 2 intersects with the swing axis of the support frame 2 when the drive structure 3 extends along the telescopic direction. In this case, the drive structure 3 will not be able to drive the support frame 2 to swing. If this state continues, it will be easy to cause damage.

[0049] In one embodiment, the bracket device has a first direction X parallel to the swing axis of the support frame 2; There are multiple drive structures 3, which are spaced apart along the first direction X, and the tire bracket 5 is located between adjacent drive structures 3.

[0050] Multiple drive structures 3 can provide more stable and reliable support and drive support frame 2. In addition, by setting the tire bracket 5 in this form, the drive structure 3 can limit and protect the spare tire 10, preventing foreign objects from contacting the spare tire 10 from one side.

[0051] In one embodiment, the bracket device includes a first pin 6, a second pin 7, and a third pin 8, which are respectively parallel to the swing axis of the support frame 2; The support frame 2 is hinged to the mounting frame 1 via the first pin 6; The mounting bracket 1 is provided with a first ear plate 101, and the fixed section 301 is hinged to the first ear plate 101 by a second pin 7. The support frame 2 has a second ear plate 205 on its mating surface 204, and the moving section 302 is hinged to the second ear plate 205 via a third pin 8. The pin connection is simple, reliable, and easy to manufacture.

[0052] According to an embodiment of the present invention, another aspect provides a crane, which includes: a body 9 and the aforementioned bracket device, one end of the body 9 forming an assembly end 901; the mounting frame 1 of the bracket device is fixedly connected to the assembly end 901, and when the support frame 2 of the bracket device is in a supported state, the bearing surface 202 of the support frame 2 and at least a portion of the wall surface of the body 9 together form a placement platform.

[0053] With this type of bracket device, after the support leg pad 12 is placed on the placement platform, only part of the weight is applied to the support frame 2, which can prevent the support frame 2 from being damaged due to excessive force.

[0054] Specifically, as an alternative implementation, if the support frame 2 has sufficient support capacity, it can also be a placement platform formed separately by the bearing surface 202.

[0055] It should be noted that the placement platform can be used not only to place the outrigger pad 12, but also to place other components required during the working process.

[0056] In one embodiment, the crane further includes a control switch 11, which is electrically connected to the drive structure 3 of the bracket assembly. The control switch 11 is located at the assembly end 901 and on one side of the bracket assembly. The operator can control the working state of the support frame 2 by operating the control switch 11. This operation is convenient and quick, and also ensures that the operator can observe the surrounding situation in real time from one side of the bracket assembly, thus preventing the bracket assembly from colliding with external objects.

[0057] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A bracket device, characterized in that, include: Mounting bracket (1) for connection to the crane body (9); The support frame (2) has a connecting end (201) at one end. The support frame (2) is hinged to the mounting frame (1) through its own connecting end (201). One side wall of the support frame (2) forms a bearing surface (202) for placing the support leg pad (12). The drive structure (3) is disposed on the mounting frame (1) and drivenly connected to the support frame (2); The support frame (2) has a supporting state in which it swings to a first position in a direction away from the mounting frame (1), and a storage state in which it swings to a second position in a direction close to the mounting frame (1).

2. The bracket device according to claim 1, characterized in that, The bracket device also includes a protective frame (4), and the end of the support frame (2) away from the connecting end (201) forms an installation end (203). The protective frame (4) is disposed on the installation end (203), and at least a portion of the installation end (203) is located on one side of the bearing surface (202).

3. The bracket device according to claim 2, characterized in that, The bracket device has a first direction (X) parallel to the swing axis of the support frame (2). The protective frame (4) includes a protective beam (401) and a plurality of connecting seats (402). The plurality of connecting seats (402) are spaced apart on the bearing surface (202) along the first direction (X). The protective beam (401) extends along the first direction (X) and is fixedly connected to each of the connecting seats (402).

4. The bracket device according to any one of claims 1 to 3, characterized in that, The bracket device also includes a tire bracket (5), which is detachably mounted on the support frame (2) and is used to fix the spare tire (10) on the support frame (2).

5. The bracket device according to claim 4, characterized in that, The wall surface of the support frame (2) facing away from the bearing surface (202) forms a mating surface (204), and the tire bracket (5) is connected to the mating surface (204); When the mounting bracket (1) is in the stored state, the space between the mating surface (204) and the mounting bracket (1) forms a receiving space, which is used to receive the tire bracket (5) and the spare tire (10).

6. The bracket device according to claim 5, characterized in that, The drive structure (3) is a telescopic rod. The drive structure (3) includes a fixed section (301) and a moving section (302). The fixed section (301) is hinged to the mounting frame (1). The moving section (302) is telescopically disposed in the fixed section (301). The end of the moving section (302) is hinged to the support frame (2).

7. The bracket device according to claim 6, characterized in that, The bracket device has a first direction (X) parallel to the swing axis of the support frame (2). The number of drive structures (3) is multiple, and the multiple drive structures (3) are spaced apart along the first direction (X), and the tire bracket (5) is located between adjacent drive structures (3).

8. The bracket device according to claim 6, characterized in that, The bracket device includes a first pin (6), a second pin (7), and a third pin (8) that are parallel to the swing axis of the support frame (2), respectively. The support frame (2) is hinged to the mounting frame (1) via the first pin (6); The mounting bracket (1) is provided with a first ear plate (101), and the fixing section (301) is hinged to the first ear plate (101) through the second pin (7); The support frame (2) has a second ear plate (205) on its mating surface (204), and the moving section (302) is hinged to the second ear plate (205) through the third pin (8).

9. A crane, characterized in that, include: The body (9) has an assembly end (901) at one end. According to any one of claims 1 to 8, the mounting bracket (1) of the bracket device is fixedly connected to the assembly end (901), and when the support frame (2) of the bracket device is in the supported state, the bearing surface (202) of the support frame (2) together with at least a portion of the wall surface of the vehicle body (9) forms a placement platform.

10. The crane according to claim 9, characterized in that, The crane also includes a control switch (11), which is electrically connected to the drive structure (3) of the bracket device. The control switch (11) is located at the assembly end (901) and on one side of the bracket device.

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