Mobile portable hoisting tool and application

Abstract

The invention provides a mobile portable hoisting tool and application, and relates to the field of portable hoisting cover plates. The portable hoisting tool based on movement comprises a first steel pipe, rolling wheels and a second steel pipe, a supporting vertical rod is fixedly connected to one side of the middle of the bottom end of the first steel pipe, a welding plate is fixedly connected to the bottom end of the supporting vertical rod, and an upper arc-shaped ring is fixedly connected to the bottom end of the welding plate; rotating shafts are fixedly connected to the two sides of one end of the upper arc-shaped ring, a lower arc-shaped ring is rotationally connected to the outer sides of the rotating shafts, and a transmission shaft is arranged between the upper arc-shaped ring and the lower arc-shaped ring in a sleeving mode. By arranging the first steel pipe and the hooks, pressing and pushing are achieved by holding the protective sleeve with a hand, the rolling wheels roll on the ground to achieve the walking effect, then the hooks on the two sides of the rear end of the first steel pipe are connected with the square ditch cover plate in a hanging mode, one end of the protective sleeve is pressed, and tilting is achieved according to the lever principle; and the square trench cover plate can be conveniently and rapidly hoisted.

Description

Technical Field

[0001] The present invention relates to the technical field of portable lifting and installation, and in particular to a mobile portable lifting tool and application thereof. Background Art

[0002] Hoisting refers to the general term for the installation and positioning of equipment by cranes or lifting mechanisms. During the inspection or maintenance process, various hoisting machines are used to lift equipment, workpieces, tools, materials, etc. to change their position.

[0003] Most of the lifting in the existing technology uses structures such as cranes to complete the lifting of objects. However, for small spaces, large lifting machinery cannot occupy space (support vehicles), and there are many difficulties such as mechanical rotation. This has caused limitations in the installation of lifting cover plates and affected operations.

[0004] When applying for the present invention, the applicant found through searching that a Chinese patent disclosed a "portable transformer high-altitude lifting tool and lifting method", and its application number is "201710150894.6". The main advantages solved by this patent are: (1) high overall coefficient and convenient to carry. (2) Simple and effortless installation, it can be lifted after the line and the stand are installed; the operation is light and flexible. (3) Low production cost, short installation time, low labor cost, only 4 people are needed to complete the lifting. (4) Reduce large-scale power outages; greatly reduce the damage to crops. (5) It can reduce the difficulty of construction, and there is no risk of operating on the upper and lower layers of the same pole and the safety risk of temporarily erecting bulky channel steel. (6) It is easy to carry, can save transportation costs, and has a wide range of applications. However, this structure is applied to power construction, and its scope of application is limited. It cannot conveniently complete the transfer of the position according to the lifting of the object. Therefore, according to the invention of the applicant, a mobile portable lifting tool and application are invented to solve the problem that the lifting equipment in a small space is inconvenient to operate. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a mobile and portable lifting tool and application, which solves the problem that lifting equipment is inconvenient to operate in a narrow space.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a mobile portable lifting tool, comprising: a first steel pipe, a roller and a second steel pipe, the number of the first steel pipes is two, one side of the middle part of the bottom end of the first steel pipe is fixedly connected with a support vertical rod, the bottom end of the support vertical rod is fixedly connected with a welding plate, the bottom end of the welding plate is fixedly connected with an upper arc ring, both sides of one end of the upper arc ring are fixedly connected with a rotating shaft, the outer side of the rotating shaft is rotatably connected with a lower arc ring, a transmission shaft is sleeved between the upper arc ring and the lower arc ring, and both ends of the transmission shaft are fixedly connected with rollers;

[0009] Several second steel pipes are arranged on the upper and lower surfaces of the two first steel pipes, and the number of second steel pipes is four. The second steel pipe on the middle front side is below the two first steel pipes, and the connection between the first steel pipe and the second steel pipe is provided with a first steel pipe connecting buckle and a second steel pipe connecting buckle.

[0010] Preferably, a rotating block is rotatably fitted between the first steel pipe connecting buckle and the second steel pipe connecting buckle, both ends of the first steel pipe connecting buckle and the second steel pipe connecting buckle are fixedly connected with bolts, and nuts are threadedly connected to the outer sides of the bolts.

[0011] Preferably, two hooks are provided on one side of the middle of the first steel pipe and at the connection between the rear end of the first steel pipe and the second steel pipe, and the hooks are fixedly connected to the middle of the bottom of the second steel pipe connecting buckle, and the bottom end of the hook is U-shaped.

[0012] Preferably, a protrusion is fixedly connected to the upper middle portion of the lower arc-shaped ring, and grooves are provided at both ends of the bottom of the transmission shaft, and the grooves and the protrusions are plug-fitted.

[0013] Preferably, one end of the upper arc circle and the lower arc circle are both fixedly connected with lugs, and the bottom of the lug at one end of the upper arc circle is fixedly connected with a fixing rod.

[0014] Preferably, a plurality of latch holes are formed on one side of the fixing rod, a latch rod is inserted into the latch hole, and a connecting rope is fixedly connected between the top end of the latch rod and the lug.

[0015] Preferably, both sides of the second steel pipe at one end are sleeved with protective sleeves, and a plurality of buffer springs are fixedly connected to the inner side of the protective sleeves.

[0016] Preferably, both upper sides of the welding plate are fixedly connected with diagonal braces, and the diagonal braces are fixedly connected to the first steel pipe.

[0017] A mobile portable lifting tool is used in the field of portable lifting.

[0018] A method for using a mobile portable lifting tool comprises the following specific steps:

[0019] S1: It requires the cooperation of multiple workers, and it is necessary to assemble multiple first steel pipes 1 and second steel pipes 5 used in the construction site, and to complete the clamping and fixing through the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8, and at the same time, the bolt 6 structure and the nut are threadedly fastened, and the supporting vertical rod 13 and the diagonal brace 12 play a supporting role for the steel structure and the transmission shaft 2;

[0020] S2: The front-end staff presses and pushes the roller 3 to roll on the ground by holding the protective sleeve 23 to complete the walking function, and then hangs the square trench cover plate through the hooks 4 on both sides of the rear end of the first steel pipe 1, presses one end of the protective sleeve 23, and tilts it up by the lever principle, so as to complete the position movement by pushing and pulling. At the same time, the two hooks 4 on one side of the middle part of the first steel pipe 1 can also hang the square trench cover plate to complete the position movement, which is convenient and fast for the lifting operation of the square trench cover plate;

[0021] S3: After use, the first steel pipe 1 and the second steel pipe 5 can be disassembled by disassembling the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8. At the same time, the latch rod 21 can be disengaged from the latch hole 10, so as to disengage the fixing rod 11, facilitate the rotation of the lower arc ring 16, and complete the disengagement from the transmission shaft 2 to achieve disassembly. In addition, when the latch rod 21 is horizontally inserted, it can resist the outer lug 9 of the lower arc ring 19 to achieve a limit locking effect, which is convenient for quick disassembly and installation and improves ease of use.

[0022] (III) Beneficial effects

[0023] The present invention provides a mobile portable lifting tool and application thereof. It has the following beneficial effects:

[0024] 1. The present invention is provided with: a first steel pipe, a second steel pipe, a first steel pipe connecting buckle, a latch rod and a lower arc ring, so as to assemble a plurality of first steel pipes and a second steel pipe used in a construction site, and fix them by clamping through the first steel pipe connecting buckle and the second steel pipe connecting buckle, and the supporting vertical rod and the diagonal brace play a supporting role for the steel structure and the transmission shaft. The first steel pipe and the second steel pipe can be disassembled by disassembling the first steel pipe connecting buckle and the second steel pipe connecting buckle, and the latch rod can be disengaged from the latch hole to disengage the fixing rod, so as to facilitate the rotation of the lower arc ring and complete the disassembly from the transmission shaft. The structure is convenient for installation and limit locking, and is convenient for quick disassembly and installation, thereby improving the convenience of use and completing the convenient lifting operation.

[0025] 2. The present invention is provided with: a protective sleeve, a roller, a first steel pipe and a hook. Pressing and pushing are achieved by holding the protective sleeve, and the roller rolls on the ground to complete the walking function. Subsequently, the hooks on both sides of the rear end of the first steel pipe are used to hang the square ditch cover. One end of the protective sleeve is pressed to complete the lever principle to achieve tilting and complete the position movement. At the same time, the two hooks on one side of the middle part of the first steel pipe can also hang the square ditch cover to complete the position movement, which is convenient for the quick lifting operation of the square ditch cover. The square ditch cover can be quickly installed through the structure, which is convenient for use in a smaller space, improves ease of use, reduces operating costs, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0027] Figure 2 It is an enlarged schematic diagram of the second steel pipe connecting buckle and hook structure of the present invention;

[0028] Figure 3 It is an enlarged schematic diagram of the supporting vertical rod and the welding plate structure of the present invention;

[0029] Figure 4 It is a schematic diagram of the split structure of the transmission shaft and the upper arc ring of the present invention;

[0030] Figure 5 For the present invention Figure 4 A is an enlarged schematic diagram;

[0031] Figure 6 It is a schematic front view of the cross section of the protective sleeve of the present invention.

[0032] Among them, 1. first steel pipe; 2. transmission shaft; 3. roller; 4. hook; 5. second steel pipe; 6. bolt; 7. first steel pipe connecting buckle; 8. second steel pipe connecting buckle; 9. lug; 10. pin hole; 11. fixing rod; 12. diagonal brace; 13. supporting vertical rod; 14. welding plate; 15. groove; 16. lower arc circle; 17. bump; 18. rotating shaft; 19. upper arc circle; 20. connecting rope; 21. pin rod; 22. buffer spring; 23. protective sleeve. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Example:

[0035] like Figure 1-6 As shown, an embodiment of the present invention provides a mobile portable lifting tool, including: a first steel tube 1, a roller 3 and a second steel tube 5. The number of the first steel tube 1 is two, and a support vertical rod 13 is fixedly connected to one side of the middle part of the bottom end of the first steel tube 1. The support vertical rod 13 is used to improve the supporting effect and increase the supporting strength. The bottom end of the support vertical rod 13 is fixedly connected to a welding plate 14, and the welding plate 14 can improve the triangular support stability of the support vertical rod 13 and the diagonal support 12. The bottom end of the welding plate 14 is fixedly connected to an upper arc ring 19, and both sides of one end of the upper arc ring 19 are fixedly connected to a rotating shaft 18, and the rotating shaft 18 can be used to control the rotation of the upper arc ring 19 and the lower arc ring 16. The lower arc ring 16 is rotatably connected to the outer side of the rotating shaft 18, and the transmission shaft 2 is sleeved between the upper arc ring 19 and the lower arc ring 16. The two ends of the transmission shaft 2 are fixedly connected with rollers 3. The rollers 3 use inflatable rollers for better buffering effect. Two hooks 4 are arranged on one side of the middle part of the first steel pipe 1 and at the connection between the rear end of the first steel pipe 1 and the second steel pipe 5. The hooks 4 on both sides of the rear end of the first steel pipe 1 are hung with the square groove cover plate, and one end of the protective sleeve 23 is pressed to complete the lever principle to achieve tilting, so that the position is moved by pushing and pulling, and the hook 4 and the bottom of the second steel pipe connecting buckle 8 are connected. The bottom end of the hook 4 is U-shaped, and the U-shaped suspension is more stable. The two hooks 4 on one side of the middle of the first steel pipe 1 can also be used to hang the other trench cover to complete the movement of the position, which is convenient for the quick lifting operation of the other trench cover. A protrusion 17 is fixedly connected to the middle of the upper part of the lower arc circle 16, and grooves 15 are provided at both ends of the bottom of the transmission shaft 2. The protrusion 17 and the groove 15 can be matched to firmly clamp and fix the upper arc circle 19 and the lower arc circle 16, and it is not easy to rotate the position to prevent problems affecting use. The groove 15 and the protrusion 17 are plug-in matched, and one end of the upper arc circle 19 and the lower arc circle 16 are fixedly connected. The lug 9 is conveniently connected and fixed by the lug 9 structure. A fixing rod 11 is fixedly connected to the bottom of the lug 9 at one end of the upper arc circle 19. The latch rod 21 is separated from the latch hole 10, so that the fixing rod 11 can be separated, which is convenient for the rotation of the lower arc circle 16, and the disengagement from the transmission shaft 2 is completed to realize the disassembly. A plurality of latch holes 10 are opened on one side of the fixing rod 11, and the latch holes 10 are plugged with the latch rods 21. When the latch rods 21 are horizontally plugged in, they can resist the outer lug 9 of the lower arc circle 19 to achieve the limit locking effect, which is convenient for quick disassembly and installation and improves the convenience of use. A connecting rope 20 is fixedly connected between the top of the latch rod 21 and the lug 9;

[0036] A plurality of second steel pipes 5 are arranged on the upper and lower surfaces of the two first steel pipes 1, which require the cooperation of multiple workers, and multiple first steel pipes 1 and second steel pipes 5 used in the construction site need to be assembled, and the number of second steel pipes 5 is four, and the second steel pipe 5 on the front side of the middle is below the two first steel pipes 1, and the first steel pipe 1 and the second steel pipe 5 are connected at the connection points, which are provided with first steel pipe connecting buckles 7 and second steel pipe connecting buckles 8, and the first steel pipe 1 and the second steel pipe 5 are disassembled by disassembling the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8, and a rotating block is provided between the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8 for rotation, and the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8 are connected to each other. Both ends of the pipe connecting buckle 8 are fixedly connected with bolts 6, and the bolt 6 structure and the nut are threadedly fastened. The supporting vertical rod 13 and the diagonal brace 12 support the steel structure and the transmission shaft 2. The outer side of the bolt 6 is threadedly connected with a nut. Both sides of the second steel pipe 5 are sleeved with protective sleeves 23. The staff can press and push the roller 3 to roll on the ground by holding the protective sleeve 23 to complete the walking function. The protective sleeve 23 structure increases the comfort when operating the pressing and lifting tools, and it is not easy to cause fatigue to the hands. The inner side of the protective sleeve 23 is fixedly connected with a plurality of buffer springs 22. The buffer springs 22 increase elastic buffering. The upper sides of the welding plate 14 are fixedly connected with diagonal braces 12, and the diagonal brace 12 is fixedly connected to the first steel pipe 1.

[0037] A mobile portable lifting tool is used in the field of portable lifting.

[0038] A method for using a mobile portable lifting tool comprises the following specific steps:

[0039] S1: It requires the cooperation of multiple workers, and it is necessary to assemble multiple first steel pipes 1 and second steel pipes 5 used in the construction site, and to complete the clamping and fixing through the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8, and at the same time, the bolt 6 structure and the nut are threadedly fastened, and the supporting vertical rod 13 and the diagonal brace 12 play a supporting role for the steel structure and the transmission shaft 2;

[0040] S2: The front-end staff presses and pushes the roller 3 to roll on the ground by holding the protective sleeve 23 to complete the walking function, and then hangs the square trench cover plate through the hooks 4 on both sides of the rear end of the first steel pipe 1, presses one end of the protective sleeve 23, and tilts it up by the lever principle, so as to complete the position movement by pushing and pulling. At the same time, the two hooks 4 on one side of the middle part of the first steel pipe 1 can also hang the square trench cover plate to complete the position movement, which is convenient and fast for the lifting operation of the square trench cover plate;

[0041] S3: After use, the first steel pipe 1 and the second steel pipe 5 can be disassembled by disassembling the first steel pipe connecting buckle 7 and the second steel pipe connecting buckle 8. At the same time, the latch rod 21 can be disengaged from the latch hole 10, so as to disengage the fixing rod 11, facilitate the rotation of the lower arc ring 16, and complete the disengagement from the transmission shaft 2 to achieve disassembly. In addition, when the latch rod 21 is horizontally inserted, it can resist the outer lug 9 of the lower arc ring 19 to achieve a limit locking effect, which is convenient for quick disassembly and installation and improves ease of use.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile and portable lifting tool, comprising: A first steel tube (1), a roller (3) and a second steel tube (5), characterized in that: there are two first steel tubes (1), one side of the middle of the bottom end of the first steel tube (1) is fixedly connected with a support vertical rod (13), the bottom end of the support vertical rod (13) is fixedly connected with a welding plate (14), the bottom end of the welding plate (14) is fixedly connected with an upper arc ring (19), one end of the upper arc ring (19) is fixedly connected with a rotating shaft (18) on both sides, the outer side of the rotating shaft (18) is rotatably connected with a lower arc ring (16), a transmission shaft (2) is sleeved between the upper arc ring (19) and the lower arc ring (16), and both ends of the transmission shaft (2) are fixedly connected with rollers (3); A plurality of second steel pipes (5) are arranged on the upper and lower surfaces of the two first steel pipes (1), and the number of the second steel pipes (5) is four. The second steel pipe (5) on the front side of the middle part is located below the two first steel pipes (1), and the connection between the first steel pipe (1) and the second steel pipe (5) is sleeved with a first steel pipe connecting buckle (7) and a second steel pipe connecting buckle (8).

2. A portable lifting tool according to claim 1, characterized in that: A rotating block is rotatably matched between the first steel pipe connecting buckle (7) and the second steel pipe connecting buckle (8); both ends of the first steel pipe connecting buckle (7) and the second steel pipe connecting buckle (8) are fixedly connected with bolts (6); and nuts are threadedly connected to the outer sides of the bolts (6).

3. A portable lifting tool according to claim 1, characterized in that: Two hooks (4) are provided on one side of the middle of the first steel pipe (1) and at the connection between the rear end of the first steel pipe (1) and the second steel pipe (5), and the hooks (4) are fixedly connected to the middle of the bottom of the second steel pipe connecting buckle (8), and the bottom end of the hook (4) is U-shaped.

4. A portable lifting tool according to claim 1, characterized in that: A protrusion (17) is fixedly connected to the middle of the upper part of the lower arc ring (16), and grooves (15) are provided at both ends of the bottom of the transmission shaft (2), and the grooves (15) and the protrusions (17) are plug-fitted.

5. The portable lifting tool according to claim 1, characterized in that: One end of the upper arc-shaped ring (19) and the lower arc-shaped ring (16) are both fixedly connected with a lug (9), and the bottom of the lug (9) at one end of the upper arc-shaped ring (19) is fixedly connected with a fixing rod (11).

6. A portable lifting tool according to claim 5, characterized in that: A plurality of latch holes (10) are provided on one side of the fixing rod (11), a latch rod (21) is inserted into the latch hole (10), and a connecting rope (20) is fixedly connected between the top end of the latch rod (21) and the lug (9).

7. The portable lifting tool according to claim 1, characterized in that: Both sides of the second steel pipe (5) at one end are sleeved with protective sleeves (23), and a plurality of buffer springs (22) are fixedly connected to the inner side of the protective sleeve (23).

8. The portable lifting tool according to claim 1, characterized in that: Both upper sides of the welding plate (14) are fixedly connected with diagonal braces (12), and the diagonal braces (12) and the first steel pipe (1) are fixedly connected.

9. The portable lifting tool described in any one of claims 1 to 8 is applied to the field of portable lifting cover plates.

10. A method for using a portable lifting tool, based on the portable lifting tool according to any one of claims 1 to 8, characterized in that: The specific steps include: S1: It requires the cooperation of multiple workers, and requires the assembly of multiple first steel pipes (1) and second steel pipes (5) used on the construction site, and the clamping and fixing is completed by the first steel pipe connecting buckle (7) and the second steel pipe connecting buckle (8), and at the same time, the bolt (6) structure and the nut are threadedly fastened, and the supporting vertical rod (13) and the diagonal brace (12) play a supporting role for the steel structure and the transmission shaft (2); S2: The front-end staff presses and pushes the roller (3) to roll on the ground by holding the protective sleeve (23) to complete the walking function. Then, the hooks (4) on both sides of the rear end of the first steel pipe (1) are connected to the square trench cover plate, and one end of the protective sleeve (23) is pressed to complete the lever principle to achieve tilting, thereby completing the position movement by pushing and pulling. At the same time, the two hooks (4) on one side of the middle part of the first steel pipe (1) can also be used to hang the square trench cover plate to complete the position movement and the hoisting operation of the square trench cover plate; S3: After use, the first steel pipe connecting buckle (7) and the second steel pipe connecting buckle (8) can be disassembled to complete the disassembly of the first steel pipe (1) and the second steel pipe (5). At the same time, the latch rod (21) can be separated from the latch hole (10), so that the fixing rod (11) can be separated, which facilitates the rotation of the lower arc ring (16) and completes the disassembly of the transmission shaft (2). In addition, when the latch rod (21) is horizontally inserted, it can contact the outer lug (9) of the lower arc ring (19).

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