Small hoisting equipment and construction method

Abstract

The invention relates to small lifting equipment which comprises a base, a lifting device and a lifting device. The outer frame is connected to the upper portion of the base, and a suspension space is formed between the outer frame and the base; the suspension assembly is connected to the top of the outer frame, and the suspension assembly can conduct lifting operation on a lifted object; the base plate is movably arranged on the base and is used for placing a hanging object. According to the small lifting equipment, the base and the outer frame are in lap joint to form the lifting frame, the base is provided with the wheels and can move, construction is convenient, the working efficiency is improved, a lifting object is lifted by being matched with the suspension assembly, a large-weight lifting object can be lifted by a single person, and the movable base plate on the equipment is arranged below the lifting object for supporting; the flexibility is high and the operation is simple.

Description

Technical Field

[0001] The invention relates to the field of engineering construction, and in particular to a small-sized lifting equipment and a construction method. Background Art

[0002] In the construction of buildings, bridges, roads and other projects, although large-scale lifting equipment has many advantages, it also has some application limitations. When facing the transportation of some small tools, equipment, and small amounts of engineering materials, such as intelligent tensioning machines, intelligent grouting equipment, grooving machines, CNC bending machines, and steel bars, the cost of using large-scale equipment for lifting is extremely high, and the maneuverability is poor. Large-scale lifting equipment is large in size and heavy in weight, and it is difficult to transfer and transport. It requires special transportation vehicles and loading and unloading equipment. This transportation method requires professional operators and usually requires the cooperation of multiple people, which is extremely inconvenient. Moreover, the transportation of such materials and tools is usually frequent. If large-scale equipment is used for lifting, the work efficiency will be greatly reduced, affecting the construction period. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a small lifting equipment and a construction method to solve the problems of poor maneuverability, high lifting cost, complex operation and limited use conditions of existing large lifting equipment.

[0004] The technical solution to achieve the above-mentioned purpose is: a small lifting equipment, comprising: a base, the bottom of the base is movable with wheels; an outer frame, the outer frame is connected to the top of the base, and a suspension space is formed between the outer frame and the base; a suspension component, the suspension component is connected to the top of the outer frame, and the suspension component can lift the suspended object; and a pad, the pad can be movably arranged on the base for placing the suspended object.

[0005] In a small lifting equipment of the present invention, a hanger is formed by overlapping a base and an outer frame. The base is equipped with wheels and can be moved, which facilitates construction and improves work efficiency. By cooperating with a suspension component to lift a hanger, a single person can lift a heavy hanger. The movable pad on the equipment is arranged under the hanger for support, which has high flexibility and simple operation.

[0006] A further improvement of the small lifting equipment of the present invention is that the base is formed by splicing a plurality of connecting rods.

[0007] A further improvement of the small-sized lifting equipment of the present invention is that the connecting rod is arranged to be movable, and the movement of the connecting rod allows the base to form an opening to accommodate the lifting object.

[0008] A further improvement of the small lifting equipment of the present invention is that the outer frame includes: a plurality of vertical poles, wherein the plurality of vertical poles are vertically arranged at the connection points of the connecting rods; a plurality of cross bars, wherein the plurality of cross bars are respectively connected to the top ends of adjacent vertical poles, and the plurality of cross bars are arranged around a circle; and a cross beam, wherein the two ends of the cross beam are respectively connected between the oppositely arranged cross bars.

[0009] A further improvement of the small-sized lifting equipment of the present invention is that a diagonal brace is provided between the vertical pole and the horizontal pole.

[0010] A further improvement of a small lifting equipment of the present invention is that the suspension assembly includes: a rocker arm, which is arranged on the side wall of the cross bar; a sling, one end of which is connected to the rotating shaft of the rocker arm, and the sling adjusts the length of the suspension according to the rocker arm; and a hook, which is connected to the other end of the sling and is used to hook the suspended object.

[0011] A further improvement of the small lifting equipment of the present invention is that a locking device is provided on the hook.

[0012] A further improvement of the small lifting equipment of the present invention is that the pad is formed by splicing a plurality of plates.

[0013] A further improvement of the small lifting equipment of the present invention is that a non-slip member is provided on the wheel, and the non-slip member is used to limit the rolling of the wheel.

[0014] A construction method for small lifting equipment comprises the following steps: after assembling the equipment, move it to the vicinity of the hanging object; push the connecting rod facing the hanging object upward to form an opening, and move the equipment above the hanging object; hang the hanging object on the hook, and slowly lift the hanging object by turning the rocker; when the bottom of the hanging object is above the base, lay a pad on the base; turn the rocker again to slowly lower the hanging object onto the pad; move the equipment and the hanging object to the target point as a whole, turn the rocker, slowly lift the hanging object, and then remove the pad; turn the rocker again to slowly lower the hanging object to the ground at the target point; remove the hanging object from the hook, push the connecting rod to form an opening, push the equipment backward, move the hanging object out of the equipment, and complete the lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a schematic structural diagram of a small lifting equipment.

[0016] Figure 2 The figure is a top view of the structure of a small lifting equipment of the present invention.

[0017] Figure 3The present invention is a cross-sectional view of the structure of a small lifting equipment.

[0018] Figure 4 The present invention is a schematic flow chart of a construction method of a small-sized lifting equipment.

[0019] In the figure: 10, base; 101, wheels; 11, outer frame; 111, vertical pole; 112, horizontal bar; 113, horizontal beam; 12, suspension assembly; 121, rocker; 1211, rotating shaft; 122, sling; 123, hook; 13, pad; 14, diagonal support; 20, hanging object; 21, sling. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] See also Figure 1 , showing a schematic structural diagram of a small lifting device of the present invention. The present invention provides a small lifting device, comprising: a base 10, the bottom of the base 10 is provided with wheels 101 for movement.

[0022] The base 10 is configured to be a rectangular frame, and the wheels 101 are connected to the bottom of the rectangular frame. The number and size of the wheels 101 are set according to actual needs and are not specifically limited here.

[0023] The outer frame 11 is connected to the top of the base 10 , and a suspension space is formed between the outer frame 11 and the base 10 .

[0024] The size of the outer frame 11 is set corresponding to the size of the base 10, and no specific limitation is made here.

[0025] The suspension assembly 12 is connected to the top of the outer frame 11 , and the suspension assembly 12 can perform lifting operations on the hanging object 20 .

[0026] The suspension assembly 12 can move up and down in the suspension space to adjust the height.

[0027] The backing plate 13 is movably disposed on the base 10 and is used to place the hanging object 20 .

[0028] The two ends of the pad 13 can be respectively placed on the two sides of the base 10 , and the size of the pad 13 corresponds to the size of the base 10 , which is not specifically limited here.

[0029] The present invention provides a small-sized lifting equipment, wherein a base 10 is formed by splicing a plurality of connecting rods.

[0030] The connecting rods may be made of steel and fixed by welding, and a plurality of connecting rods are connected end to end, so the construction is convenient and simple.

[0031] The present invention provides a small lifting device, wherein a connecting rod is movable, and the connecting rod moves to form an opening on the base 10 to accommodate a lifting object 20.

[0032] Among them, the base 10 is set to be a rectangular frame, and four connecting rods are required to be set to connect around a circle. One connecting rod is set to be movable. The connecting rod can be rotatably connected at one end, and a buckle needs to be set on the corresponding outer frame 11 to limit the connecting rod. The space inside the base 10 can be opened by rotation, or the two ends can be detachable, and the space inside the base 10 can be opened by disassembly, or the two ends can slide in the same direction on the outer frame 11, and the space inside the base 10 can be opened by sliding, so that the base 10 can be moved to accommodate the hanging object 20. The specific implementation method is selected according to the construction requirements and is not specifically limited here.

[0033] See also Figure 1 and Figure 2 , Figure 1 The schematic diagram of the structure of a small lifting device of the present invention is shown. Figure 2 The top view of the structure of a small lifting device of the present invention is shown. The present invention provides a small lifting device, wherein the outer frame 11 comprises: a plurality of vertical poles 111, and the plurality of vertical poles 111 are vertically arranged at the connection of the connecting rods.

[0034] Among them, a plurality of vertical poles 111 are arranged around the base 10 , and the height of the vertical poles 111 is set according to actual construction requirements and is not specifically limited here.

[0035] In this embodiment, four vertical poles 111 are provided, which are respectively arranged vertically at the connection points of the connecting rods and surround the base 10 to form a circle.

[0036] A plurality of cross bars 112 are respectively connected to the top ends of adjacent vertical bars 111, and the plurality of cross bars 112 are arranged around a circle.

[0037] The crossbars 112 are connected to the tops of the adjacent vertical poles 111 to fix the vertical poles 111. The crossbars 112 are connected end to end to form a rectangle and connect the vertical poles 111 to form a whole. The length of the crossbar 112 corresponds to the length of the corresponding connecting rod below, and is not specifically limited here.

[0038] The cross beam 113 has two ends connected to the oppositely disposed cross bars 112 .

[0039] Among them, the cross beam 113 and the relatively arranged cross bar 112 can be connected into an I-shape or a zigzag shape, without any specific limitation. The cross beam 113 can be arranged along the length direction of the base 10 or along the width direction of the base 10, depending on the actual needs, without any limitation.

[0040] See also Figure 1 , showing a schematic structural diagram of a small lifting device of the present invention. The present invention provides a small lifting device, wherein a diagonal brace 14 is provided between a vertical rod 111 and a horizontal rod 112.

[0041] The diagonal bracing member 14 may be a stiffening rib connected to the bottom of the connection between the vertical rod 111 and the horizontal rod 112 to enhance the supporting effect.

[0042] See also Figure 1 and Figure 3 , Figure 1 The schematic diagram of the structure of a small lifting device of the present invention is shown. Figure 3 The cross-sectional view of the structure of a small lifting device of the present invention is shown. The present invention provides a small lifting device, wherein the suspension assembly 12 comprises a rocker 121 , and the rocker 121 is arranged on the side wall of the crossbar 112 .

[0043] The rocker 121 penetrates through the side wall of the crossbar 112, and the rotation axis 1211 of the rocker 121 extends to the end of the crossbeam 113. The height of the rocker 121 is set according to the needs of the construction personnel and is not specifically limited here.

[0044] The sling 122 has one end connected to the rotating shaft 1211 of the rocker 121 , and the sling 122 adjusts the length of the suspension according to the rocker 121 .

[0045] The sling 122 is controlled by the rotation of the rocker 121, so that the length of the portion of the sling 122 hanging below the beam 113 can be changed, that is, the height of the end of the sling 122 can be adjusted up and down.

[0046] The hook 123 is connected to the other end of the sling 122 and is used for hooking the hanging object 20.

[0047] The hook 123 and the hanging object 20 are changed in height up and down as the sling 122 is pulled.

[0048] In this embodiment, the sling 122 and the rocker 121 are driven by a ratchet chain, and the rotation in different directions cooperates with the sling 122 to rise or fall. A fixed shaft and a hand chain hoist are arranged in the middle of the crossbeam 113 to control and pull the vertical drooping length of the sling 122, which facilitates a single person to lift or lower heavy objects and improves construction efficiency.

[0049] The present invention provides a small lifting device, and a locking device is provided on the hook 123.

[0050] The setting of the locking device can prevent the hanging object 20 from falling off, thereby ensuring the safety of on-site construction.

[0051] See also Figure 1 , showing a schematic diagram of the structure of a small lifting device of the present invention. The present invention provides a small lifting device, wherein the pad 13 is formed by splicing a plurality of plates.

[0052] The two ends of the plate can be respectively placed on the two sides of the base 10 , the plate can be slidably placed on the base 10 , and the positions of the plates can be moved and adjusted.

[0053] In other embodiments, one end of the plate is rotatably connected to the base 10 . In order to ensure the stability of the plate, a buckle needs to be provided on the inner wall of the vertical rod 111 , and the buckle can limit the rotating pad 13 .

[0054] The present invention provides a small-sized lifting equipment, wherein a non-slip member is arranged on the wheel 101 , and the non-slip member is used to limit the rolling of the wheel 101 .

[0055] Among them, the anti-slip member can be correspondingly arranged on each wheel 101 to ensure that the position of the entire device does not move.

[0056] See also Figure 4 , showing a schematic flow chart of a construction method of a small lifting equipment of the present invention. The present invention provides a construction method of a small lifting equipment, comprising the following steps:

[0057] Execute step S210: After the equipment is assembled, move it to the vicinity of the hanging object 20.

[0058] Among them, rolling displacement by wheel 101 is convenient and quick, and then step S220 is executed.

[0059] Execute step S220: push the connecting rod facing the hanging object 20 upward to form an opening, and move the device above the hanging object 20.

[0060] After the equipment is positioned, an anti-slip member is required to limit the rolling of the wheel 101. After the hanging object 20 is completely accommodated, the connecting rod can be lowered, and then step S230 is executed.

[0061] Execute step S230 : hang the hanging object 20 on the hook 123 , and slowly lift the hanging object 20 by rotating the rocker 121 .

[0062] The lifting rope 21 is used to fix the hanging object 20 at multiple points for lifting, and the lifting rope 21 is formed into a lifting ring above the hanging object 20 and hung on the hook 123, and a locking device is provided on the hook 123 to protect the stable hanging of the hanging object 20, and then, step S240 is executed.

[0063] Execute step S240 : the bottom of the object 20 to be hoisted is located above the base 10 , and a pad 13 is laid on the base 10 .

[0064] Among them, it is necessary to ensure that the pad 13 is laid after the hanging object 20 is lifted to a certain height above the base 10. The pad 13 can select the number of splicing plates according to the size of the hanging object 20. Then, execute step S250.

[0065] Execute step S250 : rotate the rocker 121 again to slowly lower the hanging object 20 onto the pad 13 .

[0066] In this step, the locking device on the hook 123 can be released, but it should be noted that it is not necessary to release the hook 123 from the lifting ring at this time. Then, step S260 is executed.

[0067] Execute step S260: move the device and the hanging object 20 as a whole to the target point, rotate the rocker 121, slowly lift the hanging object 20, and remove the pad 13.

[0068] Among them, the anti-slip parts must be removed before the equipment moves, and the anti-slip parts continue to be used to fix the wheels 101 after the equipment moves to the target point. The lifting must ensure that the locking device set on the hook 123 protects the stable hanging of the suspended object 20, and then execute step S270.

[0069] Execute step S270: rotate the rocker 121 again to slowly lower the hanging object 20 to the ground at the target point.

[0070] At this time, the hanging object 20 is placed at the target point to complete the transfer of the hanging object 20, and then step S280 is executed.

[0071] Execute step S280: remove the hanging object 20 from the hook 123, push the connecting rod to form an opening, push the equipment backward, move the hanging object 20 out of the equipment, and complete the lifting.

[0072] Among them, the mobility of the equipment improves construction efficiency, it can be operated by one person, and the construction is simple and convenient.

[0073] The present invention is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various changes to the present invention according to the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be the scope defined by the attached claims.

Claims

1. A small lifting equipment, characterized in that: include: A base, the bottom of which is movable with wheels; An outer frame, wherein the outer frame is connected to the upper part of the base, and a suspension space is formed between the outer frame and the base; A suspension assembly, the suspension assembly is connected to the top of the outer frame, and the suspension assembly can perform lifting operations on the suspended object; A pad is movably arranged on the base and is used for placing the hanging object.

2. A small lifting equipment according to claim 1, characterized in that: The base is formed by splicing a plurality of connecting rods.

3. A small lifting equipment according to claim 2, characterized in that: The connecting rod is arranged to be movable, and the movement of the connecting rod allows the base to form an opening to accommodate the hanging object.

4. A small lifting equipment according to claim 2, characterized in that: The outer frame comprises: A plurality of vertical poles, wherein the plurality of vertical poles are vertically arranged at the connection points of the connecting rods; A plurality of cross bars, each of which is connected to the top of each of the adjacent vertical bars, and is arranged around a circle; A crossbeam, two ends of which are respectively connected between the oppositely arranged crossbars.

5. A small lifting equipment according to claim 4, characterized in that: A diagonal brace is provided between the vertical rod and the horizontal rod.

6. A small lifting equipment according to claim 4, characterized in that: The suspension assembly comprises: A rocker, the rocker being arranged on a side wall of the crossbar; A sling, one end of which is connected to the rotating shaft of the rocker, and the sling adjusts the length of the suspension according to the rocker; A hook is connected to the other end of the sling and is used for hooking the hanging object.

7. A small lifting equipment according to claim 5, characterized in that: The hook is provided with a locking device.

8. The small lifting equipment according to claim 1, characterized in that: The pad is formed by splicing a plurality of plates.

9. A small lifting equipment according to claim 1, characterized in that: The wheel is provided with an anti-slip member, and the anti-slip member is used to limit the rolling of the wheel.

10. A construction method for small lifting equipment, characterized in that: The steps include: After assembling the equipment, move it near the hanging object; Pushing the connecting rod facing the hanging object upward to form an opening, and moving the device above the hanging object; Hang the object on the hook and slowly lift the object by rotating the rocker; When the bottom of the hanging object is located above the base, a pad is laid on the base; Rotate the rocker again to slowly lower the hanging object onto the pad; Move the device and the hanging object as a whole to the target point, rotate the rocker, slowly lift the hanging object, and then remove the pad; Rotate the rocker again to slowly lower the suspended object to the ground at the target point; The hanging object is taken off the hook, and the connecting rod is pushed to form an opening, and the device is pushed back to move the hanging object out of the device to complete the lifting.

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