Telescopic double-cantilever supporting device under beam
By designing a retractable double cantilever support device under the beam, the construction process was simplified, the stress system was optimized, and the problems of cumbersome construction and unstable quality of traditional beam support were solved, achieving efficient and low-cost construction results.
Patent Information
- Application Number
- CN202520147204.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Traditional beam support schemes are cumbersome to construct, have unstable quality, large calculation errors, require a lot of materials and manpower, and cannot effectively avoid the problem of complex beam cross sections.
A telescopic double cantilever support device under the beam is adopted, including a short sleeve for the upright, a pin plate, a horizontal brace lock head, a vertical brace, a diagonal brace, an arc-shaped backing plate, a nut, and a screw. By adjusting the length of the screw and fixing it with the nut, the construction process is simplified and the stress system is optimized.
It simplifies the construction process, reduces materials and labor intensity, improves construction efficiency, meets various scaffolding width requirements, complies with standards, and reduces potential hazards and costs.
Smart Images
Figure CN223753758U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of engineering machinery, especially to a beam-under telescopic double-cantilever support suitable for socket-type disc-type support. BACKGROUND
[0002] In the field of building construction formwork support, the traditional method of beam-under support is as shown in the drawing (beam plate shares beam side stand), ordinary steel pipes are increased under the beam to be connected with the full-support frame cross bar through fastener 11, the top of the stand is supported under the main keel (steel pipe) through adjustable U support, the main keel under the beam adopts steel pipe cross beam arrangement and is locked on the beam side stand through steel pipe fastener; the construction is complicated and complex. Figure 1
[0003] The traditional support scheme can solve some beam-under support conditions, but also exposes several problems in construction:
[0004] The steel pipe connection of the beam-under back support adopts fastener 11, and the steel pipe connection mainly relies on the friction force of the fastener to fasten, and the quality of the fastener on site is uneven, so that the quality and safety of the beam bottom support cannot be guaranteed.
[0005] When calculating, the support system is not clear, the full-support frame belongs to socket-type disc-type steel pipe support, but the beam-under back support stand 12 belongs to steel pipe fastener; usually, the disc-type support system is selected by default for calculation, the steel pipe fastener is calculated as the disc-type support system, and there is a large hidden error.
[0006] The construction is complex, the disc-type support and the ordinary steel pipe support are alternately constructed under the beam-back support stand, which involves secondary construction, more materials and manpower are invested; and the main keel under the beam needs to avoid the stand disc, and the beam section cannot be avoided in many projects. INVENTION CONTENTS
[0007] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a beam-under telescopic double-cantilever support device, which can solve the complex working condition of beam-under support and reduce the construction components in formwork construction; secondly, it can reduce the steel content of the support system in formwork construction, reduce the labor intensity, improve the construction efficiency, and finally improve the engineering profit.
[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0009] A beam under retractable double-cantilever support device, comprising: a vertical rod short sleeve 1, a pin plate 2, a cross brace lock head 3, a vertical brace 4, an inclined brace 5, an arc-shaped abutment plate 6, a nut 7, a lead screw 8, and a cross brace 9; the whole is a symmetrical structure; wherein the lead screw 8 is a retractable component, the nut 7 is sleeved on the lead screw 8, the length of the lead screw 8 is adjusted through the nut, and then the support distance under the beam is adjusted; the cross brace 9 is connected at both ends of the lead screw 8, the cross brace 9 is fixed at the vertical rod disc position at both ends, the vertical rod short sleeve 1 is sleeved on the lead screw 8, and the vertical rod short sleeve is inserted with an adjustable U-shaped support.
[0010] The beam under retractable double-cantilever support device, the nut 7 is located on the inner side of the vertical rod short sleeve 1, and the adjustment range of the lead screw 8 is 300-600 mm.
[0011] The beam under retractable double-cantilever support device, the cross brace 9 is fixed at the vertical rod disc position through the pin plates 2 at both ends, the pin plate 2 is a connecting lock for the cross brace and the disc buckle vertical rod, the cross brace lock head 3 is connected with the cross brace through welding, and the cross brace lock head 3 is used for connecting the vertical rod of the socket type disc buckle support.
[0012] The beam under retractable double-cantilever support device, the materials of the vertical rod short sleeve and the cross brace 9 are Q235 steel pipes.
[0013] The beam under retractable double-cantilever support device, the inclined brace 5 is arranged between the vertical rod short sleeve 1 and the vertical rod, and plays a role in connection and optimization of stress.
[0014] The beam under retractable double-cantilever support device, the vertical brace 4 is arranged between the inclined brace 5 and the cross brace 9, and the stress system of the component is optimized.
[0015] (1) When the disc buckle support under the beam is supported, the beam under retractable double-cantilever support device can adjust the length of the lead screw to a suitable length by adjusting the two nuts on the lead screw according to the width of the frame body erected under the beam, and then the pin plates on both sides are fixed on the vertical rod discs on both sides (the lower arc-shaped abutment plate 6 completely abuts against the vertical rod), and the installation is completed.
[0016] (2) The beam under retractable double-cantilever support device satisfies various frame body widths under the beam by adjusting the nut on the lead screw, and the adjustment process is convenient and fast; the support form under the beam is optimized as a whole, conforms to the industry standard, reduces the investment of materials and the labor intensity of personnel, and improves the construction efficiency.
[0017] (3) The operation is simple, and workers can complete all construction only by using a hammer.
[0018] (4), the disc is required to bear the load of the beam by the disc shear, according to the specification JG / T503-2016, the disc unilateral shear is 21kN, according to the specification JGJ300-2013, the disc shear can be 40kN, according to the specification JGJ / T231-2021, the disc shear can be 40kN; according to the above-mentioned specification of the disc shear, the beam section range that can be constructed by the utility model is larger, according to the calculation of 1.8m longitudinal distance, the section below 0.7 square meters can be used. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a schematic diagram of a traditional 48 type disc buckle beam lower support structure;
[0020] Figure 2 It is a schematic diagram of a buckle 11;
[0021] Figure 3 It is a structure schematic diagram of a beam lower telescopic double cantilever support device of the utility model;
[0022] Figure 4 It is a use state schematic diagram of a beam lower telescopic double cantilever support device of the utility model.
[0023] In the drawing: 1 is a vertical rod short sleeve, 2 is a pin plate, 3 is a cross brace lock head, 4 is a vertical support, 5 is an inclined support, 6 is an arc-shaped back plate, 7 is a nut, 8 is a lead screw, 9 is a cross brace, 10 is a square steel pipe, 11 is a buckle, 12 is a back-up vertical rod. DETAILED DESCRIPTION
[0024] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the above technical solutions in the patent embodiment are described clearly and completely, obviously, the described embodiments are only part of the patent, not all. Based on the embodiments in the utility model, all other embodiments obtained by the skilled in the art without creative labor belong to the scope of the utility model. EMBODIMENT
[0025] Figure 3 It is a structure schematic diagram of a beam lower telescopic double cantilever support device of the utility model, Figure 4 It is a use state schematic diagram of a beam lower telescopic double cantilever support device of the utility model. Refer to Figure 3 、 Figure 4As shown, a beam under telescopic double cantilever support device, comprising: vertical rod short sleeve 1, pin plate 2, cross brace lock head 3, vertical support 4, inclined support 5, arc-shaped back plate 6, nut 7, screw 8, cross brace 9. The vertical rod short sleeve 1, pin plate 2, cross brace lock head 3, vertical support 4, inclined support 5, arc-shaped back plate 6, nut 7 are provided in two, and the whole is a symmetrical structure.
[0026] Among them, the screw 8 is a telescopic component, the adjustment range is 300~600mm, the nut 7 is sleeved on the screw 8, the length of the screw 8 is adjusted through the nut, and then the support distance under the beam is adjusted.
[0027] The screw 8 is connected with the cross brace 9 at both ends, the cross brace 9 is fixed on the vertical rod disc position through the pin plate 2 at both ends, the screw 8 is sleeved with the vertical rod short sleeve 1, the nut 7 is located on the inner side of the vertical rod short sleeve 1, the vertical rod short sleeve is used as a vertical connecting member, and is a main bearing part of the double cantilever support, in this embodiment, a steel pipe with an outer diameter of 48.3mm and a wall thickness of 3.2mm is used, and the material is Q355. The vertical rod short sleeve is inserted with an adjustable U support, which is a main component of the support under the beam.
[0028] In this embodiment, the cross brace 9 is a steel pipe with a length of 852mm (including the lock head 3), an outer diameter of 48.3mm and a wall thickness of 2.5mm, and the material is Q235. The pin plate 2 is a connecting lock of the cross brace and the disc buckle vertical rod. The cross brace lock head 3 is connected with the cross brace through welding, and is used for connecting the vertical rod of the socket type disc buckle support.
[0029] Between the vertical rod short sleeve 1 and the vertical rod, the inclined support 5 is arranged, which is a main force frame and plays a role in connection and optimization of force bearing; the end of the inclined support 5 is connected to the vertical rod through the arc-shaped back plate 6.
[0030] Between the inclined support 5 and the cross brace 9, the vertical support 4 is arranged for optimizing the force bearing system of the component.
[0031] The use mode of the utility model is that in full support frame construction, the vertical rod is erected to the design elevation of the top plate; the support component under the beam is constructed.
[0032] Step 1: adjust the nut 7 arranged on the telescopic component screw 8, and then adjust the length of the screw, so as to adjust the overall cantilever part to a suitable width.
[0033] Step 2: connect the cross brace lock head 3 with the disc on the vertical rod under the beam disc buckle, then pin the pin plate 2, and install the double cantilever support between the vertical rods.
[0034] Step 3: insert the adjustable U support into the vertical rod short sleeve 1, adjust the length of the adjustable U support, and place the adjustable U support on the beam keel.
[0035] Step 4: repeat steps 1-3 to install more than one double cantilever support.
[0036] Step 5: longitudinally connect the beam-under cantilever support members, and complete the beam-under cantilever support construction.
[0037] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present patent. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the present specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.
[0038] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present patent, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0039] The above is only a specific embodiment of the present patent, but the protection scope of the present patent is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present patent, which should be covered within the protection scope of the present patent. Therefore, the protection scope of the present patent should be subject to the protection scope of the claims.
Claims
1. A retractable dual overhang support arrangement beneath a beam, characterised in that, The utility model relates to a kind of adjustable support, including: Short sleeve (1) of vertical rod, pin plate (2), cross brace lock head (3), vertical support (4), inclined strut (5), arc backplate (6), nut (7), lead screw (8), cross brace (9);It is symmetrical structure as a whole; Wherein, lead screw (8) is telescopic component, nut (7) is sleeved on lead screw (8), the length of lead screw (8) is adjusted by nut, and then the distance of beam lower support is adjusted; The both ends of lead screw (8) are connected with cross brace (9), and cross brace (9) is fixed at vertical rod disc position, short sleeve (1) of vertical rod is sleeved on lead screw (8), and adjustable U support is inserted in short sleeve (1) of vertical rod.
2. The telescopic double-cantilever bracing arrangement underneath a beam according to claim 1, wherein, Nut (7) is located in the inside of short sleeve (1) of vertical rod, and the adjustment range of lead screw (8) is 300~600mm.
3. The telescopic double-cantilever bracing device underneath the beam according to claim 1, characterized in that, Cross brace (9) is fixed at vertical rod disc position by means of pin plate (2) at both ends, and cross brace lock head (3) is connected with cross brace by welding, for connecting vertical rod of socket and spigot type disc buckle type support.
4. The telescopic double-cantilever bracing device underneath the beam according to claim 1, characterized in that, The material of short sleeve of vertical rod and cross brace (9) is Q235 steel pipe.
5. The telescopic double-cantilever bracing device underneath the beam according to claim 1, characterized in that, Between short sleeve (1) of vertical rod and vertical rod, inclined strut (5) is arranged, to connect and optimize stress effect;The end of inclined strut (5) is connected to vertical rod by means of arc backplate (6).
6. The telescopic double-cantilever bracing device underneath the beam according to claim 1, characterized in that, Between inclined strut (5) and cross brace (9), vertical support (4) is arranged, to optimize component stress system.