Lightweight portal crane convenient to install

Abstract

The utility model relates to the technical field of cranes, and particularly discloses a light-weight portal crane convenient to mount, which comprises a bottom plate, a pair of slideways is mounted on the upper surface of the bottom plate, a sliding plate is mounted on each slideway, the bottoms of the sliding plates are in rolling connection with the slideways through wheels, and the sliding plates are connected with the slideways through the wheels. A locking device and a first mounting plate are mounted on each sliding plate, supporting legs are fixedly connected to the upper surfaces of the first mounting plates, the supporting legs are of tripod structures, the interiors of the supporting legs are hollowed out, second mounting plates are arranged on the upper surfaces of each pair of supporting legs, and the second mounting plates are fixedly connected to the upper surfaces of the second mounting plates. The novel crane has the beneficial effects that the movable frame, the supporting legs, the second mounting plates and other structures provided by the utility model can effectively enable the crane to be convenient to mount and dismount, and the interior of the novel crane is hollow, so that the novel crane is convenient to transport.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a lightweight gantry crane that is easy to install. Background Art

[0002] Cranes have a long history. Traditional cranes mainly use simple levers and pulley principles to lift heavy objects. Today's cranes integrate advanced science and technology and material technology, and use high-strength steel to reduce their own weight while increasing their carrying capacity.

[0003] In the prior art, a motor is usually used to drive a rope or a hook so that it can move up and down, and then the rope or the hook is connected to a heavy object, so that the object is hooked by the rope or the hook. The hooked object will rise as the rope rises and fall as the rope falls.

[0004] However, existing cranes are still too heavy. Although such cranes are convenient to use on construction sites, they are very inconvenient to install and transport. Utility Model Content

[0005] The purpose of the present utility model is to provide a lightweight gantry crane that is easy to install, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightweight gantry crane that is easy to install, comprising: a base plate, a pair of slides are installed on the upper surface of the base plate, each of the slides is installed with a skateboard, the bottom of the skateboard is rollingly connected to the slide via wheels, each of the skateboards is installed with a locking device and a first mounting plate, the upper surface of the first mounting plate is fixedly connected to a support leg, the support leg is arranged to be a tripod structure, the interior of the support leg is arranged to be hollow, the upper surface of each pair of support legs is provided with a second mounting plate, the upper surfaces of the two second mounting plates are provided with a movable frame, the four sides of the movable frame are hollowed out, which provides protection while reducing weight, and a hoisting group assembly is arranged in the movable frame.

[0007] Preferably, the locking device includes a telescopic card rod, a spring and a rubber head, the telescopic card rod is arranged on the skateboard and passes through the top arm of the skateboard, the rubber head is fixedly connected to the bottom of the card rod, and the spring is sleeved on the card rod and slidably connected thereto.

[0008] Preferably, a plurality of transverse lines are formed on the bottom of the rubber head, and the plurality of transverse lines are arranged side by side, and the transverse lines are perpendicular to the slideway.

[0009] Preferably, both ends of the bottom of the movable frame are fixedly connected with clamping blocks, and a sliding groove is provided on the bottom plate of the movable frame.

[0010] Preferably, the lifting group assembly includes a moving block, a connecting block and a driving block, the connecting block extends into the slide groove and is slidingly connected thereto, the moving block is fixedly connected to the top of the connecting block, the driving block is fixedly connected to the bottom of the connecting block, a plurality of rollers are installed at the bottom of the connecting block, and a lifting rope is installed in the driving block.

[0011] Preferably, a rectangular hole is provided in the center of the second mounting plate, the clamping block is engaged with the rectangular hole, two cylindrical holes are provided on the top of the support leg, threads are provided in the cylindrical holes, and the screws pass through the second mounting plate and extend into the cylindrical holes to be threadedly connected to them.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The movable frame, supporting legs, second mounting plate and other structures proposed in the utility model can effectively facilitate the installation and disassembly of the crane, and the interior is hollowed out for easy transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the lifting assembly of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the altar frame of the utility model;

[0017] Figure 4 This is a schematic diagram of the disassembled structure of the support leg and the second mounting plate of the utility model;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the locking device of the utility model.

[0019] In the figure: 1. Base plate; 2. Slide; 3. Slide plate; 4. First mounting plate; 5. Locking device; 6. Second mounting plate; 7. Hanging group assembly; 8. Support leg; 9. Movable frame; 10. Telescopic clamping rod; 11. Spring; 12. Rubber head; 13. Horizontal stripes; 14. Moving block; 15. Wheel; 16. Driving block; 17. Lifting rope; 19. Clamping block; 20. Slide groove; 21. Rectangular hole; 22. Cylindrical hole; 23. Connecting block. DETAILED DESCRIPTION

[0020] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] See also Figure 1 The utility model provides a technical solution: a base plate 1, a pair of slides 2 are installed on the upper surface of the base plate 1, the arrangement of the slides 2 allows the entire device to move on the slides 2, and a slide plate 3 is installed on each slide 2. The bottom of the slide plate 3 is connected to the slide 2 in a rolling manner through wheels 15, and the rollers are connected to the two sides of the slide 2 in a sliding manner. A locking device 5 and a first mounting plate 4 are installed on each slide plate 3. The locking device 5 is used to fix the crane in a certain position when it is working and no longer slide. When sliding is required, the telescopic card rod 10 can be pulled up so that the rubber head 12 contacts the slide 2 again. The upper surface of the first mounting plate 4 is fixedly connected with a support leg 8. The four support legs 8 play a certain supporting role. The support legs 8 are arranged as three The tripod structure is relatively stable and has a strong load-bearing capacity. The interior of the support leg 8 is hollowed out. The hollow setting reduces the weight, which is very convenient for transportation and installation. The upper surface of each pair of support legs 8 is provided with a second mounting plate 6. The second mounting plate 6 plays a connecting role, so that the movable frame 9 and the support leg 8 are connected together to form a whole. The upper surfaces of the two second mounting plates 6 are provided with a movable frame 9. The hanging group assembly 7 inside the movable frame 9 can move in the movable frame 9. The four sides of the movable frame 9 are hollowed out, which can reduce the weight of the movable frame 9, while providing protection and reducing the weight. A hanging group assembly 7 is provided in the movable frame 9. The hanging group assembly 7 is used to lift objects and can move slowly.

[0023] During actual installation, it is necessary to fix the first mounting plate 4 and the slide plate 3 together with screws, and then fix the second mounting plate 6 to the support leg 8 with screws, and then use a crane to lift it and install it on the two slides 2 so that it can slide slowly along the slides 2, and finally lift the movable frame 9 and directly make the block 19 fit into the rectangular hole 21.

[0024] Example 2

[0025] See also Figure 5On the basis of embodiment 1, the locking device 5 includes a telescopic card rod 10, a spring 11 and a rubber head 12. The telescopic card rod 10 is arranged on the slide 3 and passes through the top arm of the slide 3. The telescopic card block 19 can be extended and retracted at the top of the slide 3. The rubber head 12 is fixedly connected to the bottom of the card rod. The rubber head 12 can contact the slide 2, so that the slide 3 will not slide. The spring 11 is sleeved on the card rod and slidably connected thereto. One end of the spring 11 is fixedly connected to the top of the slide 3, and the other end of the spring 11 is fixedly connected to the telescopic card rod 10. It is the presence of the spring 11 that makes the telescopic card rod 10 in the lowest position under normal conditions. At this time, the rubber head 12 is tightly pressed together with the slide 2 and does not move. The telescopic card rod 10 can be lifted up by using an external card and then the entire device can be moved. A plurality of horizontal grooves 13 are provided at the bottom of the rubber head 12. The plurality of horizontal grooves 13 are arranged side by side. The arrangement of the horizontal grooves 13 is to increase the friction coefficient, so that the rubber head 12 and the slide 2 are not easy to slide against each other when in contact. The horizontal grooves 13 are perpendicular to the slide 2.

[0026] In actual use, under normal circumstances, the rubber head 12 is in close contact with the slide 2, and it is not easy for the two to slide. This makes it more stable when lifting objects. When it is necessary to move, the telescopic card rod 10 can be lifted with an external card and then moved. After moving, the external card can be removed, and the rubber head 12 can be separated from the slide 2.

[0027] Example 3

[0028] See also Figure 1-Figure 5On the basis of the second embodiment, both ends of the bottom of the movable frame 9 are fixedly connected with a card block 19, and the card block 19 is used to fix the movable frame 9 on the second mounting plate 6. A slide groove 20 is provided on the bottom plate 1 of the movable frame 9. The hanging group assembly 7 includes a moving block 14, a connecting block 23 and a driving block 16. A driving device is provided inside the moving block 14, which can move with the driving moving block 14 on the slide groove 20. The connecting block 23 extends into the slide groove 20 and is slidably connected thereto. The movement of the moving block 14 can drive the connecting block 23 to slide in the slide groove 20. The moving block 14 is fixedly connected to the top of the connecting block 23, and the driving block 16 is fixedly connected to the bottom of the connecting block 23. A driving mechanism is also provided inside the driving block 16. The devices driven by the two are different. The connecting block A plurality of rollers are installed at the bottom of 23, and the driving mechanism inside the connecting block 23 can drive the rollers to roll slowly, so that the object can be lifted and moved. A lifting rope 17 is installed in the driving block 16, and the driving device in the driving block 16 can drive the lifting rope 17 to move up and down, so that the object can be lifted. A rectangular hole 21 is provided in the center of the second mounting plate 6, and the clamping block 19 is clamped with the rectangular hole 21. The clamping block 19 is inserted into the rectangular hole 21. Two cylindrical holes 22 are provided on the top of the support leg 8. The setting of the cylindrical hole 22 makes it easy to install. A thread is provided in the cylindrical hole 22. The screw passes through the second mounting plate 6 and extends into the cylindrical hole 22 to be threadedly connected with it. The screw can tightly install the second mounting plate 6 and the support leg 8 together.

[0029] In actual use, during the installation process, it is necessary to fix the first mounting plate 4 and the skateboard 3 together with screws, and then fix the second mounting plate 6 on the supporting leg 8 with screws, and then use a crane to lift it and install it on the two slides 2 so that it can slide slowly along the slide 2, and finally lift the movable frame 9 and directly make the card block 19 fit into the rectangular hole 21. Under normal circumstances, the rubber head 12 is in close contact with the slide 2, and it is not easy for the two to slide, so that it can be more stable when lifting objects. When it is necessary to move, the telescopic card rod 10 can be lifted with an external card, and then moved. After moving, the external card can be removed, and the rubber head 12 can be separated from the slide 2.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightweight gantry crane that is easy to install, comprising: A base plate (1) is characterized in that: a pair of slides (2) are installed on the upper surface of the base plate (1), a slide plate (3) is installed on each of the slides (2), the bottom of the slide plate (3) is rollingly connected to the slides (2) through wheels (15), each of the slide plates (3) is installed with a locking device (5) and a first mounting plate (4), the upper surface of the first mounting plate (4) is fixedly connected with a support leg (8), the support leg (8) is set as a tripod structure, the interior of the support leg (8) is set as a hollow, the upper surface of each pair of support legs (8) is provided with a second mounting plate (6), the upper surfaces of the two second mounting plates (6) are provided with a movable frame (9), the four sides of the movable frame (9) are hollowed out, which provides protection while reducing weight, and a hanging group component (7) is provided in the movable frame (9).

2. The lightweight gantry crane that is easy to install according to claim 1, characterized in that: The locking device (5) comprises a telescopic card rod (10), a spring (11) and a rubber head (12); the telescopic card rod (10) is arranged on the slide (3) and passes through the top arm of the slide (3); the rubber head (12) is fixedly connected to the bottom of the card rod; the spring (11) is sleeved on the card rod and slidably connected thereto.

3. The lightweight gantry crane that is easy to install according to claim 2, characterized in that: The bottom of the rubber head (12) is provided with a plurality of transverse lines (13), the plurality of transverse lines (13) are arranged side by side, and the transverse lines (13) and the slideway (2) are perpendicular to each other.

4. The lightweight gantry crane that is easy to install according to claim 3, characterized in that: Both ends of the bottom of the movable frame (9) are fixedly connected with clamping blocks (19), and a sliding groove (20) is provided on the bottom plate (1) of the movable frame (9).

5. The lightweight gantry crane that is easy to install according to claim 4, characterized in that: The suspension assembly (7) comprises a moving block (14), a connecting block (23) and a driving block (16); the connecting block (23) extends into the chute (20) and is slidably connected thereto; the moving block (14) is fixedly connected to the top of the connecting block (23); the driving block (16) is fixedly connected to the bottom of the connecting block (23); a plurality of rollers are installed at the bottom of the connecting block (23); and a suspension rope (17) is installed in the driving block (16).

6. The lightweight gantry crane that is easy to install according to claim 5, characterized in that: A rectangular hole (21) is provided at the center of the second mounting plate (6), the clamping block (19) is clamped with the rectangular hole (21), and two cylindrical holes (22) are provided at the top of the support leg (8), and threads are provided in the cylindrical holes (22). Screws pass through the second mounting plate (6) and extend into the cylindrical holes (22) to be threadedly connected with the second mounting plate (6).

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