Hoisting equipment

Abstract

The utility model belongs to the technical field of hoisting machinery, and particularly relates to hoisting equipment, which comprises a frame component, a lifting component and a lifting component. A balancing weight; and the counterweight tray is detachably connected with the connecting part and is used for bearing the counterweight block. According to the hoisting equipment, the counterweight tray and the counterweight block can be detachably arranged at the tail part of the frame, and the hoisting equipment is simple in structure, easy to realize and convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting machinery, and specifically relates to a lifting device. Background Art

[0002] In the prior art, the counterweight of the automobile lifting equipment is mostly installed at the rear of the frame assembly. When in operation, the counterweight is lifted to the crane turntable by a self-lifting device to balance the automobile crane and prevent it from tipping over.

[0003] The frame assembly of a truck crane is usually longer, while the frame assembly of other lifting equipment is shorter. In some application scenarios, the counterweight block needs to be installed on the frame for self-loading and unloading of the counterweight block. It is difficult to set the counterweight block on the frame of lifting equipment other than truck cranes. If the original short frame is changed to a longer frame, the weight of the lifting equipment itself will increase, and the frame manufacturing will be more complicated and costly. Utility Model Content

[0004] The utility model aims to provide a lifting device, which can realize arranging a counterweight block and a counterweight tray on a frame assembly.

[0005] In order to achieve the above-mentioned object, the utility model provides a lifting device on one hand, comprising:

[0006] A frame assembly, wherein a connecting portion is provided at the rear end of the frame assembly;

[0007] Counterweights;

[0008] The counterweight tray is detachably connected to the connecting portion and is used to carry the counterweight block.

[0009] In some embodiments, a positioning seat for installing and positioning the counterweight block is provided on the counterweight tray.

[0010] In some embodiments, the lifting apparatus includes a support assembly for supporting the counterweight pallet.

[0011] In some embodiments, the support assembly includes: a telescopic member detachably mounted on a side of the counterweight tray away from the connecting portion; and a support base disposed at the bottom end of the telescopic member and used to abut against the ground.

[0012] In some embodiments, the support base and the telescopic member are detachably connected.

[0013] In some embodiments, a storage member for storing the support base is further provided on a side of the counterweight tray away from the connecting portion.

[0014] In some embodiments, the support base is in a flat plate shape or a flared shape.

[0015] In some embodiments, the support assembly includes: a mounting seat, which is arranged on a side of the counterweight tray away from the connecting portion; and a support leg, which is vertically penetrated through the mounting seat and is threadedly connected to the mounting seat.

[0016] In some embodiments, the frame assembly includes: a frame; a vehicle body weight detachably mounted on the rear portion of the frame, and a connecting portion is provided on a side of the vehicle body weight away from the frame.

[0017] In some embodiments, the lifting equipment further includes: a counterweight lifting turntable rotatably disposed on the frame assembly; and a counterweight lifting mechanism disposed on the counterweight lifting turntable and used for installing or removing the counterweight block.

[0018] In the above technical solution, the lifting equipment includes a frame assembly, a counterweight and a counterweight tray, wherein a connection portion is provided at the rear end of the frame assembly, the counterweight tray is detachably connected to the connection portion, and the counterweight tray can be used to carry the counterweight. By adopting the above lifting equipment, the counterweight tray can be detachably installed at the rear of the frame assembly by providing a connection portion at the rear of the frame assembly, and the counterweight can be set on the counterweight tray. Compared with the extended frame, the utility model has a simple structure, is easy to implement, is convenient to disassemble and assemble, and has a low cost.

[0019] Other features and advantages of the embodiments of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present utility model, but do not constitute a limitation on the embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without creative work. In the drawings:

[0021] Figure 1 A schematic diagram of the structure of a lifting device provided according to an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of a counterweight tray provided according to an embodiment of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the support assembly provided by an embodiment of the utility model being connected to the counterweight tray in the storage state;

[0024] Figure 4 It is a schematic structural diagram of the cooperation between the support assembly and the counterweight tray provided according to another embodiment of the utility model;

[0025] Figure 5The figure is a schematic diagram of a vehicle body weight-bearing structure provided according to an embodiment of the utility model.

[0026] Description of Reference Numerals

[0027] 10 Frame assembly 40 Support assembly

[0028] 11 Frame 41 Telescopic Parts

[0029] 12 Body weight 42 Support base

[0030] 121 connection part 43 mounting seat

[0031] 20 Counterweight 44 Support Leg

[0032] 30 Counterweight tray 441 Threaded rod

[0033] 31 Positioning seat 442 Support plate

[0034] 32 Storage Components 50 Turntable

[0035] 33 Install the ear plate 60 Counterweight lifting mechanism

[0036] 34 Baffle DETAILED DESCRIPTION

[0037] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0038] The lifting device according to the utility model is described below with reference to the accompanying drawings. Figure 1 As shown, it is a schematic diagram of the structure of the lifting equipment provided according to an embodiment of the utility model; Figure 2 FIG. 1 is a schematic diagram of the structure of a counterweight tray 30 provided according to an embodiment of the utility model. The lifting equipment includes:

[0039] The frame assembly 10 has a connecting portion 121 at the rear end of the frame assembly 10;

[0040] Counterweight 20;

[0041] The counterweight tray 30 is detachably connected to the connecting portion 121 and is used to carry the counterweight block 20 .

[0042] The counterweights of crawler cranes, truck cranes and other lifting equipment mostly need to be installed on the turntable of the crane. The counterweights move with the turntable to provide stable support for the lifting work. The counterweights of truck cranes can be temporarily stored on the counterweight tray of the crane frame. The counterweight lifting mechanism of the truck crane can transfer the counterweights temporarily stored on the counterweight tray to the boom turntable, or transfer the counterweights on the boom turntable to the counterweight tray, so as to achieve self-disassembly and installation of the counterweights. Crawl cranes and other lifting equipment are mostly not equipped with counterweight trays and counterweight lifting mechanisms due to requirements such as driving speed and maneuverability. Therefore, an additional lifting equipment is required to assist in the installation and removal of the counterweights. In some application scenarios, the lifting equipment needs to be able to install and remove the counterweights by itself. However, the frames of crawler cranes and other lifting equipment are short, making it difficult to install the counterweight tray, which makes it impossible to place the counterweights and the counterweights cannot be self-disassembled and installed.

[0043] In the embodiment of the utility model, the lifting equipment in the embodiment is preferably a crawler crane, a connection portion 121 is provided at the rear end of the frame assembly 10, a counterweight tray 30 for mounting the counterweight 20 is additionally provided at the rear end of the frame assembly 10, and the counterweight tray 30 is detachably connected to the connection portion 121. After the lifting equipment is transported to the designated work area, the counterweight tray 30 can be mounted on the connection portion 121 at the rear end of the frame assembly 10, and then the counterweight 20 is placed on the counterweight tray 30, so as to facilitate the removal and installation of the counterweight 20.

[0044] In a specific embodiment, the top end of the counterweight tray 30 is detachably connected to the connecting portion 121 , and the side wall of the counterweight tray 30 abuts against the frame assembly 10 to prevent the counterweight tray 30 from being flipped downward due to excessive weight of the counterweight block 20 .

[0045] The above-mentioned lifting equipment, by setting a connecting part 121 at the rear end of the frame assembly 10, enables the counterweight tray 30 to be detachably connected to the rear end of the frame 11 through a pin shaft, so that the counterweight block 20 can be placed on the counterweight tray 30 on the frame assembly, which is convenient for disassembly, facilitates the transportation and installation of the counterweight block 20 and the counterweight tray 30 by the lifting equipment, and improves the portability and maneuverability of the lifting equipment.

[0046] In one embodiment, Figure 2As shown, a positioning seat 31 for installing and positioning the counterweight 20 is provided on the counterweight pallet 30. The positioning seat 31 is provided on the counterweight pallet 30, which can make it easier to position and install the counterweight 20 on the counterweight pallet 30, and make the installation of the counterweight 20 more stable. In a specific embodiment, there are multiple counterweights 20, and multiple counterweights 20 are installed on the counterweight base, and the counterweight base is provided with a positioning hole that matches the positioning seat 31. When installing the counterweight 20, an external crane lifts the counterweight base and the counterweight 20 together and places them on the counterweight pallet 30. During the placement process, the external crane adjusts the position of the counterweight base according to the position of the positioning seat 31, so that the positioning seat 31 is inserted into the positioning hole, and the installation of the counterweight 20 is completed.

[0047] In one embodiment, Figure 2 As shown, the lifting equipment includes a support assembly 40 for supporting the counterweight pallet 30. The counterweight pallet 30 is relatively long, and the mass of the counterweight block 20 can usually reach hundreds of tons, so the support assembly 40 can be set to support the counterweight pallet 30. Specifically, one end of the support assembly 40 can be connected to the counterweight pallet 30, and the other end of the support assembly 40 can abut against the ground. The use of the above-mentioned support assembly 40 can optimize the force structure of the counterweight pallet 30, prevent the counterweight pallet 30 from being broken by force, and extend the service life of the counterweight pallet 30.

[0048] In one embodiment, the support assembly 40 includes: a telescopic member 41, which is detachably mounted on the side of the counterweight tray 30 away from the connection portion 121; and a support base 42, which is disposed at the bottom end of the telescopic member 41 and is used to abut against the ground. The telescopic member 41 is detachably mounted on the side of the counterweight tray 30 away from the connection portion 121. When the counterweight tray 30 supports the counterweight block 20, one side of the counterweight tray 30 is connected to the connection portion 121, and the other side is connected to the telescopic member 41. Both sides support the counterweight tray 30, which can make the force-bearing structure of the counterweight tray 30 better. The support base 42 is disposed at the bottom end of the telescopic member 41 and is used to abut against the ground. Because the working environment of the lifting equipment is different, the height of the counterweight tray 30 is different. The telescopic member 41 can be telescoped so that the support base 42 can fully abut against the ground. The support base 42 is in contact with the ground, so that the gravity of the counterweight block 20 can be transmitted to the ground, so as to support the side of the counterweight tray 30 away from the connecting portion 121 and prevent the counterweight tray 30 from being broken by the force.

[0049] In a specific embodiment, the counterweight pallet 30 is provided with a mounting ear plate 33, and the mounting ear plate 33 is provided with a plurality of pin holes. The telescopic member 41 is a telescopic oil cylinder, and the telescopic oil cylinder is connected to the mounting ear plate 33 through a pin. When the support assembly 40 is required for support, the pin hole into which the pin is inserted is adjusted so that the telescopic direction of the telescopic oil cylinder is along the vertical direction. When the support assembly 40 is transported, the pin hole into which the pin is inserted is adjusted so that the bottom end of the telescopic oil cylinder is higher than the bottom end of the counterweight ear plate, so that when the counterweight pallet 30 is transported, the telescopic oil cylinder and the counterweight pallet 30 can be transported together.

[0050] In one embodiment, the support base 42 and the telescopic member 41 are detachably connected. In order to facilitate transportation and disassembly, the support base 42 and the telescopic member 41 are detachably connected. When the support assembly 40 is needed for support, the support base 42 is installed at the bottom end of the telescopic member 41; when the support assembly 40 is transported, the support base 42 is disassembled to facilitate the transportation of the support base 42 and the telescopic member 41.

[0051] In one embodiment, a storage member 32 for storing the support base 42 is further provided on one side of the counterweight tray 30 away from the connecting portion 121. When the support base 42 is separated from the telescopic member 41, the support base 42 is stored on the storage member 32 to facilitate storage and transportation of the support base 42.

[0052] In a specific embodiment, Figure 3 1 is a schematic diagram of the structure of the support assembly 40 provided in the embodiment of the utility model in the storage state connected to the counterweight tray 30. The telescopic member 41 is arranged tilted by adjusting the installation position of the pin shaft, and the bottom end of the telescopic member 41 is higher than the bottom end of the counterweight tray 30. The storage member 32 is a storage pin, and the storage pin is provided on the side of the counterweight tray 30 away from the connecting portion 121, and the support base 42 is installed on the storage pin.

[0053] In one embodiment, Figure 3 As shown, a baffle 34 is also provided on one side of the counterweight tray 30 away from the connecting portion 121 , and the baffle 34 can prevent the support base 42 from accidentally falling off when it is installed on the receiving pin.

[0054] In one embodiment, the support base 42 is in a flat plate or flared shape. The flat plate or flared shape of the support base 42 can increase the contact area between the support base 42 and the ground, reduce the pressure on the support base 42, and extend the service life of the support base 42.

[0055] In another embodiment, Figure 4As shown, it is a structural schematic diagram of the support assembly 40 and the counterweight tray 30 provided according to another embodiment of the utility model when they cooperate. The support assembly 40 includes: a mounting seat 43, which is arranged on the side of the counterweight tray 30 away from the connecting portion 121; a support leg 44, which is vertically penetrated on the mounting seat 43 and is threadedly connected with the mounting seat 43. The mounting seat 43 can be used to install the support leg 44, so that the support leg 44 can support the counterweight tray 30 more stably. The support leg 44 can be vertically penetrated by the mounting seat 43, so that the support leg 44 and the mounting seat 43 are threadedly connected, which is convenient for the disassembly and assembly of the support leg 44. In addition, the lifting and lowering of the support leg 44 can be achieved by rotating the support leg 44, and the disassembly is simple. Specifically, the mounting seat 43 can be selected as a box structure, and a vertical threaded hole is opened on the box to facilitate the insertion of the support leg 44. The above-mentioned support assembly 40 has stable support and a simple structure, which is easy to implement.

[0056] In a specific embodiment, the support leg 44 includes a threaded rod 441 and a foot plate 442, and the foot plate 442 is disposed at the bottom end of the threaded rod 441 and is detachably connected to the threaded rod 441. When support is required, the threaded rod 441 and the foot plate 442 cooperate to support, and when the support assembly 40 is transported, the threaded rod 441 and the foot plate 442 are disassembled.

[0057] In one embodiment, Figure 1 and Figure 5 As shown, Figure 5 The schematic diagram of the structure of the vehicle body weight 12 provided according to the embodiment of the utility model, the frame assembly 10 comprises: a frame 11; a vehicle body weight 12, which is detachably mounted on the rear of the frame 11, and a connecting portion 121 is provided on the side of the vehicle body weight 12 away from the frame 11. The vehicle body weight 12 can increase the weight of the frame assembly 10, so that the frame assembly 10 remains stable during the lifting process of the lifting equipment. The provision of the vehicle body weight 12 can also prevent the frame assembly 10 from tipping backwards due to the excessive weight of the counterweight 20.

[0058] In one embodiment, Figure 1 As shown, the lifting equipment further includes: a counterweight lifting turntable 50, which is rotatably disposed on the frame assembly 10; and a counterweight lifting mechanism 60, which is disposed on the counterweight lifting turntable 50 and is used to install or remove the counterweight block 20. The counterweight lifting mechanism 60 can install or remove the counterweight block 20, making the installation of the counterweight block 20 more convenient.

[0059] In one embodiment, a counterweight lifting turntable 50 and a counterweight lifting mechanism 60 are installed on the frame 11 of a crawler crane. Before the crawler crane is ready to perform lifting work, the crane arm of the crawler crane first lifts the vehicle body ballast 12 and places it on the frame 11, and the operator locks the vehicle body ballast 12 to the tail of the frame 11. Subsequently, the crane arm of the crawler crane lifts the counterweight tray 30 to the vicinity of the vehicle body ballast 12, so that the counterweight tray 30 is hung with the connecting portion 121, and the operator makes the counterweight tray 30 detachably connected with the connecting portion 121. The operator adjusts the support assembly 40 so that the support assembly 40 supports the counterweight tray 30. After the counterweight pallet 30 and the support assembly 40 are installed, the crane's boom hoists and places the counterweight base (not shown in the figure) on the counterweight pallet 30, and then hoists and places the counterweight block 20 on the counterweight base in turn. The boom hoists and installs the counterweight lifting mechanism 60 at the connection of the counterweight base, and the counterweight lifting turntable 50 is aligned with the counterweight lifting mechanism 60 to complete the installation of the counterweight lifting mechanism 60. Subsequently, the counterweight lifting turntable 50 rotates so that the counterweight lifting mechanism 60 transfers the counterweight block 20 and the counterweight base to the tail of the boom turntable (not shown in the figure) to provide stable support for the boom lifting operation, thereby completing the counterweight self-installation. After the counterweight block 20 is installed, adjust the support assembly 40 to the position as shown in the figure. Figure 3 The counterweight tray 30 and the support assembly 40 can be directly removed to facilitate the crawler crane to perform the lifting work.

[0060] By adopting the above-mentioned lifting equipment, the counterweight 20 can be installed at the rear of the frame assembly 10, which is convenient for the installation and removal of the counterweight. When the lifting equipment is transferred, the lifting equipment, the vehicle body weight 12, the counterweight tray 30 and the counterweight 20 can be transferred separately, which is simple to disassemble and easy to transport. In addition, the setting of the counterweight tray 30 and the support assembly 40 can make the installation of the counterweight 20 more stable. When the counterweight 20 needs to be installed, the lifting equipment can rely on its own lifting arm and the counterweight lifting mechanism 60 to complete the installation and removal of the counterweight 20, without the need for an additional lifting equipment to assist in the installation and removal of the counterweight 20, making the installation and removal of the counterweight 20 more portable.

[0061] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0062] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0064] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A lifting device, characterized in that: The lifting equipment comprises: A frame assembly (10), wherein a connecting portion (121) is provided at the rear end of the frame assembly (10); Counterweight (20); A counterweight tray (30) detachably connected to the connecting portion (121) and used to carry the counterweight block (20); A support assembly (40) for supporting the counterweight tray (30), the support assembly (40) comprising a telescopic member (41) and a support base (42), the telescopic member (41) being detachably mounted on a side of the counterweight tray (30) away from the connecting portion (121), and the support base (42) being arranged at the bottom end of the telescopic member (41) and being used for contacting the ground.

2. The lifting device according to claim 1, characterized in that The counterweight tray (30) is provided with a positioning seat (31) for installing and positioning the counterweight block (20).

3. The lifting device according to claim 1, characterized in that The support base (42) and the telescopic member (41) are detachably connected.

4. The lifting device according to claim 1, characterized in that A storage member (32) for storing the support base (42) is also provided on a side of the counterweight tray (30) away from the connecting portion (121).

5. The lifting device according to claim 1, characterized in that The support base (42) is in a flat plate shape or a flared shape.

6. The lifting device according to claim 1, characterized in that The support assembly (40) comprises: A mounting seat (43) is arranged on a side of the counterweight tray (30) away from the connecting portion (121); The supporting leg (44) is vertically penetrated on the mounting seat (43) and is threadedly connected with the mounting seat (43).

7. The lifting device according to any one of claims 1 to 6, characterized in that: The frame assembly (10) comprises: Frame (11); The vehicle body weight (12) is detachably mounted on the rear portion of the vehicle frame (11); a connecting portion (121) is provided on a side of the vehicle body weight (12) away from the vehicle frame (11).

8. The lifting device according to any one of claims 1 to 6, characterized in that: The lifting equipment also includes: A counterweight lifting turntable (50) is rotatably arranged on the frame assembly (10); A counterweight lifting mechanism (60) is arranged on the counterweight lifting turntable (50) and is used for installing or removing the counterweight block (20).

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