Adjustable hoisting tool

Abstract

The utility model relates to the technical field of hoisting devices, in particular to an adjustable hoisting tool which comprises a mounting main body and a lifting lug main body, and a plurality of mounting parts arranged along the length direction of the mounting main body are arranged on the mounting main body; the lifting lug main body is detachably hinged to any mounting part, and a plurality of lifting holes which are formed in the length direction of the mounting main body at intervals are formed in the lifting lug main body. According to the utility model, the lifting lug main body is mounted at the mounting part closest to the gravity center according to the actual gravity center position of the mounting main body, and the lifting hole closest to the gravity center in the lifting lug main body is selected to be connected with lifting equipment, so that the lifting deformation is avoided, and the stability in the lifting process is ensured; and the hoisting position can be freely adjusted according to the gravity center position of the mounting main body, so that the hoisting operation of different mounting main bodies can be adapted, and the operation safety can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist device technical field especially, relates to an adjustable hoisting tool. BACKGROUND

[0002] Generally speaking, the rectangular top pipe is composed of several parts such as cutter head, front shield, middle shield, tail shield, etc., at present, the cutter head and shield body are generally hoisted separately and assembled in the well when the large-section rectangular top pipe machine is assembled at the construction site, which inevitably greatly reduces the construction site assembly efficiency. The overall hoisting of the cutter head, main drive and shield body in blocks has the overall gravity center in the front end of the partition plate, needs to weld multiple lifting lugs on the upper hat brim of the shield body, bolt the lifting lug or arrange the lifting shaft or lifting lug structure in the side soil bin of the front shield, and there are many safety hazards, for example, the structure strength of the front hat brim is weak, the lifting here is easy to deform; there is risk in welding the lifting lug and lifting the heavy shield body, and repeated welding and cutting are needed, and the structure strength is weakened. These hoisting modes are difficult to realize the overall hoisting of the equipment, and the hoisting position cannot be adjusted, which brings many inconveniences to the construction site hoisting. Therefore, it is necessary to provide a new adjustable hoisting tool to solve the above technical problems. SUMMARY

[0003] The main purpose of the utility model is to provide an adjustable hoisting tool, which aims to solve the problem that the existing adjustable hoisting tool cannot adjust the hoisting position.

[0004] To achieve the above-mentioned purpose, the adjustable hoisting tool provided by the utility model comprises a mounting body and a lifting lug body, two or more mounting parts are arranged on the mounting body along the length direction of the mounting body; the lifting lug body is detachably hinged to any mounting part, and a plurality of lifting holes are arranged on the lifting lug body along the length direction of the mounting body.

[0005] Optionally, the lifting lug body comprises a lifting part and two spaced apart hinged lug plates, the lifting part is provided with the lifting hole, and the two hinged lug plates are arranged along the length direction of the mounting body; the adjustable hoisting tool further comprises a hinged seat, a pin shaft and two limiting components, the hinged seat is arranged on the mounting part; the pin shaft passes through the hinged seat and the two hinged lug plates, and the two ends of the pin shaft respectively protrude from the two hinged lug plates; the two limiting components are respectively detachably connected with the two ends of the pin shaft and abut against the two hinged lug plates.

[0006] Optionally, the lifting part is provided with a boss at each end along the length direction of the mounting body, the boss is arranged along the width direction of the mounting body, and the distance between the boss and the mounting body is 5-10 mm.

[0007] Optionally, the side wall surface of the boss facing the mounting body is an arc curved surface.

[0008] Optionally, the limiting assembly comprises a baffle and a fastener, the baffle is connected with the pin shaft through the fastener, and the baffle abuts against the hinged lug plate.

[0009] Optionally, the mounting portion is provided with a groove, the hinged seat is arranged in the groove, and the distance between the inner wall of one side of the mounting body in the length direction and the pin shaft is not less than the length of the pin shaft.

[0010] Optionally, the mounting portion is provided with a groove, the hinged seat is arranged in the groove, and the groove is provided with a avoiding groove on the inner wall of one side in the length direction of the mounting body.

[0011] Optionally, the number of the lug body is two or more.

[0012] In the technical scheme of the utility model, the operation personnel installs the lug body at the mounting portion closest to the center of gravity of the installation body according to the actual center of gravity position of the installation body, selects the lifting hole closest to the center of gravity on the lug body to be connected with the lifting equipment, so as to avoid lifting deformation, ensure the stability of the lifting process, and freely adjust the lifting position according to the center of gravity position of the installation body, so that the lifting operation of different installation bodies can be adapted, and the operation safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0014] Figure 1 It is a structural schematic view of the adjustable lifting tool in the embodiment of the utility model;

[0015] Figure 2 It is a structural schematic view of the lug body in the embodiment of the utility model;

[0016] Figure 3 It is Figure 2 A-A sectional view in the embodiment of the utility model.

[0017] Explanation of reference numerals:

[0018] 1, installation main body, 1.1, installation part, 1.1.1, groove, 1.1.2, avoiding slot, 1.2, cutter head, 1.3, front shield, 1.4, middle shield, 1.5, tail shield, 2, lifting lug main body, 2.1, lifting part, 2.1.1, lifting hole, 2.2, hinged lug plate, 2.3, boss, 3, hinged seat, 4, pin shaft, 5, limiting assembly, 5.1, baffle, 5.2, fastener.

[0019] The realization, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0020] The embodiments of the utility model will be explained in detail below in combination with the drawings, but the utility model can be implemented in a variety of different ways and can be covered.

[0021] The utility model provides a adjustable hoisting tool, aim at solving the problem that the adjustable hoisting tool of prior art cannot realize hoisting position adjustable.

[0022] Embodiment 1

[0023] As Figure 1 Indicated, adjustable hoisting tool includes installation main body 1 and lifting lug main body 2, and installation main body 1 is equipped with two and above installation part 1.1 along the length direction of installation main body 1 is arranged;Lifting lug main body 2 is detachably hinged and arranged on any installation part 1.1, and lifting lug main body 2 is equipped with a plurality of lifting holes 2.1.1 along the length direction of installation main body 1 is arranged at intervals. In actual operation, the operator installs the lifting lug main body 2 at the installation part 1.1 closest to the actual center of gravity of the installation main body 1 according to the actual center of gravity position, and selects the lifting hole 2.1.1 closest to the center of gravity on the lifting lug main body 2 and connects with the lifting equipment, to avoid deformation during lifting, ensure the stability of the lifting process, and can freely adjust the lifting position according to the center of gravity position of the installation main body 1, so as to adapt to the lifting operation of different installation main body 1, improve the operation safety, simple structure, can be reused, high economy. Lifting lug main body 2 and installation main body 1 are hinged to avoid deformation of the connection between lifting lug main body 2 and installation main body 1 due to uneven stress, and a certain activity space is added between lifting lug main body 2 and installation main body 1.

[0024] In this embodiment, the installation body 1 is a rectangular pipe jacking machine, two adjustable lifting fittings are arranged on the front shield 1.3, the middle shield 1.4 and the tail shield 1.5 respectively, all the lifting fittings are general parts, the cutter head 1.2, the front shield 1.3, the main drive and other parts are lifted as a whole, the upper part of the middle shield 1.4 is lifted as a whole, and the upper part of the tail shield 1.5 is lifted as a whole. Before lifting, the actual position of the center of gravity of the upper part of the front shield 1.3, the upper part of the middle shield 1.4 and the upper part of the tail shield 1.5 is verified, and then the lifting hole position to be used during lifting is determined. It is worth mentioning that the installation body 1 can also be other equipment to be lifted.

[0025] As shown in Figure 2 and Figure 3 , the lifting lug body 2 includes a lifting part 2.1 and two spaced apart hinged lug plates 2.2, the lifting part 2.1 is provided with a lifting hole 2.1.1, and the two hinged lug plates 2.2 are arranged along the length direction of the installation body 1; the adjustable lifting tool further includes a hinged seat 3, a pin shaft 4 and two limiting assemblies 5, the hinged seat 3 is arranged on the installation part 1.1; the pin shaft 4 passes through the hinged seat 3 and the two hinged lug plates 2.2, and the two ends of the pin shaft 4 respectively protrude from the two hinged lug plates 2.2; the two limiting assemblies 5 are respectively detachably connected with the two ends of the pin shaft 4 and respectively abut against the two hinged lug plates 2.2. The lifting lug body 2 can be connected with the equipment and transmit force through the pin shaft 4, and is detachably connected with the hinged seat 3 through the pin shaft 4 and the limiting assembly 5, so as to adjust the installation position of the lifting lug body 2 and adapt to different center of gravity positions, which is simple in structure and convenient to operate.

[0026] Among them, the two ends of the lifting part 2.1 along the length direction of the installation body 1 are respectively provided with a boss 2.3, the boss 2.3 is arranged along the width direction of the installation body 1, and the distance between the boss 2.3 and the installation body 1 is 5mm to 10mm. When the lifting position is not the center lifting hole of the lifting lug, the boss 2.3 abuts against the installation body 1 to balance the lifting force.

[0027] Preferably, the side wall surface of the boss 2.3 facing the installation body 1 is an arc curved surface. The arc curved surface of the boss 2.3 abuts against the installation body 1 to reduce the contact area with the installation body 1, so as to avoid damage caused by the boss 2.3 extruding the installation body 1 during lifting.

[0028] Specifically, the limiting assembly 5 includes a baffle 5.1 and a fastener 5.2, the baffle 5.1 is connected with the pin shaft 4 through the fastener 5.2, and the baffle 5.1 abuts against the hinged lug plate 2.2. The baffles 5.1 at both ends of the pin shaft 4 cooperate to limit the pin shaft 4, and are fixed through the fastener 5.2 to prevent the pin shaft 4 from moving left and right, in addition, other ways can also be used to limit the position, such as a check ring, a clamping plate and the like.

[0029] Further, the mounting part 1.1 is provided with a recess 1.1.1, the hinge seat 3 is arranged in the recess 1.1.1, and the distance between the side inner wall along the length direction of the mounting body 1 and the pin shaft 4 is not less than the length of the pin shaft 4. A space not less than the length of the pin shaft 4 is left on one side of the hinge seat 3, so as to facilitate the mounting and dismounting of the pin shaft 4 and the limiting assembly 5.

[0030] In the embodiment, the number of the lifting lug bodies 2 is two or more. When the large mounting body 1 is hoisted, two or more lifting lug bodies 2 can be used to stably hoist, so that the economy, universality and adaptability of the lifting appliance are greatly improved.

[0031] Embodiment 2

[0032] The difference from the embodiment 1 is that the mounting part 1.1 is provided with a recess 1.1.1, the hinge seat 3 is arranged in the recess 1.1.1, and the recess 1.1.1 is provided with an avoiding groove 1.1.2 on the side inner wall along the length direction of the mounting body 1. The avoiding groove 1.1.2 can provide a space for the mounting and dismounting of the pin shaft 4 and the limiting assembly 5, so as to facilitate the mounting and dismounting of the lifting lug body 2.

[0033] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields under the utility model concept of the present application, or the contents of the present application specification and drawings are included in the patent protection range of the present application.

Claims

1. An adjustable hoisting tool, characterized in that The adjustable lifting tool comprises a mounting body (1) and a lifting lug body (2), the mounting body (1) is provided with two or more mounting portions (1.1) arranged along the length direction of the mounting body (1), the lifting lug body (2) is detachably hinged to any mounting portion (1.1), and the lifting lug body (2) is provided with a plurality of lifting holes (2.1.1) arranged along the length direction of the mounting body (1).

2. The adjustable hoisting tool of claim 1, wherein The lifting lug body (2) comprises a lifting portion (2.1) and two spaced-apart hinged lug plates (2.2), the lifting portion (2.1) is provided with the lifting hole (2.1.1), and the two hinged lug plates (2.2) are arranged along the length direction of the mounting body (1). The adjustable lifting tool further comprises a hinged seat (3), a pin shaft (4) and two limiting assemblies (5), the hinged seat (3) is arranged on the mounting portion (1.1), the pin shaft (4) passes through the hinged seat (3) and the two hinged lug plates (2.2), and the two ends of the pin shaft (4) respectively protrude from the two hinged lug plates (2.2), and the two limiting assemblies (5) are respectively detachably connected with the two ends of the pin shaft (4) and abut against the two hinged lug plates (2.2).

3. The adjustable hoisting tool of claim 2, wherein The lifting portion (2.1) is provided with a boss (2.3) at each end along the length direction of the mounting body (1), the boss (2.3) is arranged along the width direction of the mounting body (1), and the distance between the boss (2.3) and the mounting body (1) is 5-10 mm.

4. The adjustable hoisting tool of claim 3, wherein The side wall surface of the boss (2.3) facing the mounting body (1) is an arc-shaped curved surface.

5. An adjustable lifting tool as claimed in claim 4, wherein The limiting assembly (5) comprises a baffle (5.1) and a fastener (5.2), the baffle (5.1) is connected with the pin shaft (4) through the fastener (5.2), and the baffle (5.1) abuts against the hinged lug plate (2.2).

6. The adjustable hoisting tool of claim 4, wherein, The mounting portion (1.1) is provided with a groove (1.1.1), the hinged seat (3) is arranged in the groove (1.1.1), and the distance between the side inner wall of the groove (1.1.1) along the length direction of the mounting body (1) and the pin shaft (4) is not less than the length of the pin shaft (4). The mounting portion (1.1) is provided with a groove (1.1.1), the hinged seat (3) is arranged in the groove (1.1.1), and the side inner wall of the groove (1.1.1) along the length direction of the mounting body (1) is provided with a avoiding groove (1.1.2).

7. An adjustable lifting tool as claimed in any one of claims 2 to 6, wherein, The number of the lifting lug bodies (2) is two or more. ​ 8. An adjustable lifting tool as claimed in any one of claims 1 to 6, wherein, ​

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