Lifting beam for lifting bridge formwork

Abstract

The utility model discloses a lifting beam for lifting a bridge template, which comprises a lifting beam cross rod, the lifting beam cross rod is provided and connected with a lifting assembly and a rotating assembly, the lifting assembly and the rotating assembly are both installed on the outer side of the lifting beam cross rod, and the lifting assembly comprises a cross rod lifting lug and a lifting connection point; the lifting beam is simple in structure and reasonable in design, the transverse rod connecting points are arranged on the lifting beam transverse rods and used for connecting formworks needing to be lifted, on one hand, the distribution characteristics of the formworks can be completely matched, so that the whole formworks can be lifted, lifting procedures are reduced, operation efficiency is improved, on the other hand, the integrity of the formworks manufactured in a workshop is improved, and production cost is reduced. Therefore, the construction period is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge template manufacturing, in particular to a hanging beam for hanging bridge templates. Background Art

[0002] The lifting beam for lifting bridge formwork is a device used to lift the constructed bridge formwork to the specified position. It is widely used in bridge, highway, construction and other industries. It belongs to the construction site installation section of bridge formwork construction. Therefore, the bridge formwork needs to be installed to the specified position by lifting. The design of the lifting beam for lifting bridge formwork needs to take into account factors such as the structural form and installation location of the bridge formwork. It is necessary to select the appropriate lifting beam form, size, material and structure according to these requirements to ensure safe and efficient completion of the lifting operation.

[0003] Deficiencies of existing technology:

[0004] Since a large number of casting formwork and embedded structural parts are required during the construction of bridges, the installation of formwork is crucial. Especially when the conditions at the construction site are not sufficient, the lifting and hoisting process is often more likely to affect the cycle of the entire project. It is impossible to lift the beams of the bridge formwork in batches, and it is impossible to achieve the overall lifting of multiple formworks. Utility Model Content

[0005] The utility model aims to provide a hanging beam for hoisting bridge formwork, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a bridge formwork hoisting beam, comprising a hoisting beam cross bar, the hoisting beam cross bar is provided with a hoisting assembly and a rotating assembly connected, the hoisting assembly and the rotating assembly are both installed on the outside of the hoisting beam cross bar, and the hoisting assembly comprises:

[0007] A crossbar lifting lug, the crossbar lifting lug being installed above the suspension beam crossbar;

[0008] A lifting connection point is vertically installed and fixed below the suspension beam cross bar and is provided in a plurality of numbers, and a smooth surface is provided above the lifting connection point.

[0009] Preferably, the rotating assembly comprises:

[0010] A rotating sleeve is sleeved on the outside of the suspension beam cross bar, and the rotating sleeve is arranged at the center of the suspension beam cross bar, and the diameter of the rotating sleeve is greater than the diameter of the suspension beam cross bar.

[0011] Two flange plates are respectively installed on both sides of the suspension beam cross bar and fixed to the suspension beam cross bar.

[0012] Preferably, a lower lifting ear of the connection point and a bolt are connected to the lower side of the lifting connection point, the lower lifting ear of the connection point is connected to the lifting connection point via the bolt, and the lower lifting ear of the connection point is configured to be detachable.

[0013] Preferably, a plurality of shear blocks are symmetrically arranged at the bottom of the rotating sleeve, and the plurality of shear blocks are connected to the rotating sleeve at 90°.

[0014] Preferably, end sealing plates are provided on both sides of the suspension beam cross bar, and the end sealing plates are fixedly connected to the suspension beam cross bar.

[0015] Preferably, a gap of 2 mm is retained between the two flange plates and both ends of the rotating sleeve.

[0016] Preferably, the rotating assembly further comprises a locking device, wherein the locking device connects the suspension beam cross bar and the rotating sleeve.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. A lifting beam for lifting bridge formwork is provided with a lifting assembly, which includes a crossbar lifting lug and a lifting connection point. The lifting connection point is used to connect the formwork to be lifted. On the one hand, it can fully match the distribution characteristics of the formwork, so that the entire formwork can be lifted, reducing the lifting process and improving the operating efficiency. On the other hand, it also improves the integrity of the formwork manufactured in the workshop, thereby shortening the construction period.

[0019] 2. The lifting beam for lifting the bridge formwork is provided with a rotating assembly, which includes a rotating sleeve, two flange plates and a shear block. The rotating sleeve allows the formwork to be rotated at any angle during the lifting process, reducing the process of turning over the formwork and avoiding the process of disassembling the lifting rigging multiple times. In addition, only a single lifting point needs to be set, thereby optimizing the entire lifting process and saving the installation time of the formwork, thereby achieving the effect of shortening the project cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a front structural sectional view of the utility model;

[0022] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 It is a side view structural schematic diagram of the utility model;

[0024] In the figure: 110, cross bar of the hanging beam; 121, lifting eye of the cross bar; 122, lifting connection point; 123, lifting eye at the lower part of the connection point; 124, bolt; 131, rotating sleeve; 132, flange plate; 133, shear block; 134, locking device; 140, end sealing plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or detachable connection, setting, or integrated connection, setting. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0028] In addition, 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 one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0029] Example

[0030] See also Figure 1-4As shown, the utility model provides a technical solution for a suspension beam for lifting a bridge formwork: a suspension beam for lifting a bridge formwork, comprising a suspension beam cross bar 110, the suspension beam cross bar 110 is provided with a suspension assembly and a rotation assembly connected thereto, the suspension assembly comprises a cross bar lifting lug 121 and a suspension connection point 122, the cross bar lifting lug 121 is installed above the suspension beam cross bar 110, and can be used to connect with a lifting device; the suspension connection point 122 is vertically installed below the suspension beam cross bar 110 and is provided with a plurality of lifting connection points, the top of the suspension connection point 122 is a smooth surface, the lower side of the suspension connection point 122 is connected with a lower lifting lug 123 and a bolt 124 of the connection point, the lower lifting lug 123 of the connection point is connected to the suspension connection point by the bolt 124 Point 122 is connected by bolts 124, which not only ensures that the surface of the template is not damaged again, but also enhances the flexibility and convenience of the lifting operation, and the lower lifting ear 123 of the connection point is set to be detachable. During use, the position of the lifting connection point 122 is set in advance according to the distribution of the template, and the lower lifting ear 123 of the connection point is connected to the lifting ear on the template through the corresponding lifting sling, and the lower lifting ear 123 of the connection point is connected to the lifting connection point 122 of the hanging beam cross bar 110 by bolts 124. It can realize a single lifting operation of multiple pieces of templates as a whole module, which reduces the difficulty of template installation on the one hand, and improves work efficiency and safety factor on the other hand.

[0031] Furthermore, the rotating assembly includes a rotating sleeve 131 and two flange plates 132. The rotating sleeve 131 is installed on the outside of the suspension beam cross bar 110 through a sleeve, and the rotating sleeve 131 is arranged at the center of the suspension beam cross bar 110. The diameter of the rotating sleeve 131 is larger than the diameter of the suspension beam cross bar 110. The two flange plates 132 are respectively installed on both sides of the suspension beam cross bar 110 and fixed to the suspension beam cross bar 110. The two flange plates 132 can prevent the sling from sliding out of the range of the rotating sleeve 131, and a gap of 2 mm is reserved at both ends of the two flange plates 132 and the rotating sleeve 131, so that the entire suspension beam cross bar 110 is 10 can fully rotate, and the rotating assembly also includes a locking device 134. When in use, lubricating oil needs to be applied between the two flange plates 132 and the rotating sleeve 131 to ensure that the rotating sleeve 131 can rotate freely and fully, reducing the template turning process, avoiding the process of multiple disassembly of the slings, and only needing to set a single lifting point, thereby optimizing the entire lifting steps and saving the template installation time, thereby achieving the effect of shortening the project cycle. The locking device 134 locks the hanging beam cross bar 110 and the rotating sleeve 131 to prevent the hanging beam cross bar 110 from rotating and affecting the preparation work for the template connection.

[0032] Furthermore, a plurality of shear blocks 133 are symmetrically arranged at the bottom of the rotating sleeve 131 , and the shear blocks 133 are connected to the rotating sleeve 131 at a 90° angle, thereby ensuring that the hoisting angle of the sling does not exceed 60°.

[0033] Furthermore, end sealing plates 140 are provided on both sides of the suspension beam cross bar 110, and the end sealing plates 140 are fixedly connected to the suspension beam cross bar 110, which not only ensures the internal sealing of the suspension beam cross bar 110 to prevent corrosion and increase the service life of the suspension beam cross bar 110, but also prevents foreign objects from entering the suspension beam cross bar 110, avoids objects from falling during operation, and reduces safety hazards.

[0034] The working principle of the utility model is as follows:

[0035] When a bridge formwork lifting beam of the present embodiment is in use, the position of the lifting connection point 122 is set in advance according to the distribution of the formwork, and the lower lifting ear 123 of the connection point is connected to the lifting ear on the formwork through the corresponding lifting sling, and the lower lifting ear 123 of the connection point is connected to the lifting connection point 122 of the lifting beam cross bar 110 through the bolt 124, so that multiple pieces of formwork can be lifted as a whole module in a single operation, which reduces the difficulty of formwork installation on the one hand and improves work efficiency and safety factor on the other hand. Lubricating oil needs to be applied between the two flange plates 132 and the rotating sleeve 131 to ensure that the rotating sleeve 131 can rotate freely and fully, reducing the formwork turning process and avoiding the process of multiple disassembly of the lifting sling. In addition, only a single lifting point needs to be set, thereby optimizing the entire lifting step and saving the installation time of the formwork, thereby achieving the effect of shortening the project cycle. The locking device 134 locks the lifting beam cross bar 110 and the rotating sleeve 131 to prevent the lifting beam cross bar 110 from rotating and affecting the preparation work for the formwork connection.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hanging beam for hoisting a bridge formwork, comprising a hanging beam crossbar (110), characterized in that: The suspension beam cross bar (110) is provided with a suspension assembly and a rotation assembly connected thereto. The suspension assembly and the rotation assembly are both installed on the outside of the suspension beam cross bar (110). The suspension assembly comprises: A crossbar lifting lug (121), wherein the crossbar lifting lug (121) is installed above the suspension beam crossbar (110); A lifting connection point (122) is vertically installed and fixed below the suspension beam cross bar (110) and is provided in plurality, and the top of the lifting connection point (122) is a smooth surface.

2. The bridge formwork hoisting beam according to claim 1, characterized in that: The rotating assembly comprises: A rotating sleeve (131), wherein the rotating sleeve (131) is sleeved on the outside of the suspension beam cross bar (110), and the rotating sleeve (131) is arranged at the center of the suspension beam cross bar (110), and the diameter of the rotating sleeve (131) is greater than the diameter of the suspension beam cross bar (110); Two flange plates (132), the two flange plates (132) are respectively installed on both sides of the suspension beam cross bar (110) and fixed to the suspension beam cross bar (110).

3. The bridge formwork hoisting beam according to claim 1, characterized in that: A lower lifting ear (123) and a bolt (124) are connected to the lower side of the lifting connection point (122); the lower lifting ear (123) is connected to the lifting connection point (122) via the bolt (124); and the lower lifting ear (123) is detachable.

4. The bridge formwork hoisting beam according to claim 2, characterized in that: A plurality of shear blocks (133) are symmetrically arranged at the bottom of the rotating sleeve (131), and the plurality of shear blocks (133) are connected to the rotating sleeve (131) at an angle of 90 degrees.

5. The bridge formwork hoisting beam according to claim 1, characterized in that: End sealing plates (140) are provided on both sides of the suspension beam cross bar (110), and the end sealing plates (140) are fixedly connected to the suspension beam cross bar (110).

6. The bridge formwork hoisting beam according to claim 2, characterized in that: A gap of 2 mm is retained between the two flange plates (132) and both ends of the rotating sleeve (131).

7. The bridge formwork hoisting beam according to claim 2, characterized in that: The rotating assembly further comprises a locking device (134), wherein the locking device (134) connects the suspension beam crossbar (110) and the rotating sleeve (131).

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