Adjustable constant-strength cantilever beam

Abstract

The utility model discloses an adjustable constant-strength cantilever beam in the technical field of cantilever beams, which comprises a fixed plate, a connecting plate is mounted at the center of one side of the fixed plate, an adjusting mounting structure is arranged on one side of the connecting plate, and the adjusting mounting structure comprises a fixed arm, two mounting sheets, two connecting shafts, a connecting block, a turnover arm and an extension arm; according to the scheme, a turnover type and extension type installation mode is adopted, the turnover arm and the extension arm can be adjusted according to different use requirements during use, the overall adjustment range is large, and different construction requirements can be met; through cooperation of the arranged supporting structure and the traction structure, the overall strength of the fixed arm, the overturning arm and the extension arm can be fully guaranteed, the traction connection mode of the traction steel cable is adopted, and the traction steel cable with the specified length can be selected according to different construction requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to cantilever beam technical field, concretely is a kind of adjustable equal-strength cantilever beam. BACKGROUND

[0002] Cantilever beam is a kind of beam structure of one end fixed, the other end free, it is widely used in architecture, machinery and civil engineering, commonly used for supporting bridge, floor, equipment etc.;

[0003] The cantilever beam currently used is basically fixed structure, the length of cantilever is not adjustable, and when facing different use requirements, it is necessary to increase extension beam body on one side of existing cantilever beam, since the overall of the added beam body cannot guarantee the cooperation effect with cantilever beam, the overall stress intensity cannot be guaranteed, and each building construction needs to be matched with cantilever beam of different size, these cantilever beams can not be fully applied due to inappropriate size after being used once, which results in considerable accumulation and waste. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of adjustable equal-strength cantilever beam to solve the problem that the cantilever beam currently used is basically fixed structure, the length of cantilever is not adjustable in the use of the adjustable equal-strength cantilever beam of prior art, and when facing different use requirements, it is necessary to increase extension beam body on one side of existing cantilever beam, since the overall of the added beam body cannot guarantee the cooperation effect with cantilever beam, the overall stress intensity cannot be guaranteed, and each building construction needs to be matched with cantilever beam of different size, these cantilever beams can not be fully applied due to inappropriate size after being used once, which results in considerable accumulation and waste.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable equal-strength cantilever beam, including fixed plate, the fixed plate one side center place is equipped with connecting plate, the connecting plate one side is equipped with adjusting installation structure, the adjusting installation structure includes fixed arm, two installation sheets, two connecting shafts, connecting block, turnover arm and extension arm;

[0006] The fixed arm one end is fixedly connected with the connecting plate one side center, two installation sheets are respectively installed in the outer wall of the fixed arm two sides, two connecting shafts are respectively movably embedded in two installation sheets, the connecting block is respectively connected with two connecting shafts one end, the turnover arm one end upper wall surface is fixedly connected with the connecting block lower end, and the extension arm one end is movably embedded in the turnover arm.

[0007] As a preferred adjustable equal-strength cantilever beam of the utility model, the fixed plate one side lower end is equipped with support structure, and the support structure includes support plate, four support rods and support frame.

[0008] The support plate is installed at the lower end of one side of the fixed plate, one end of each of the four support rods is connected with one side of the support plate, and the support frame is installed at the other end of the four support rods and movably sleeved at the lower end of the fixed arm.

[0009] Preferably, the utility model discloses a kind of adjustable equal-strength cantilever beams, one side upper end of the fixed plate is equipped with traction structure, and the traction structure includes traction frame, six first traction shafts, six second traction shafts and six traction cables.

[0010] The traction frame is fixedly installed at the one side upper end of the fixed plate, the six first traction shafts are respectively installed at the outer walls of the two sides of the traction frame, the six second traction shafts are respectively installed at the two side walls of the one end of the fixed arm, the turnover arm and the extension arm, and the two ends of the six traction cables are respectively connected with the six first traction shafts and the six second traction shafts.

[0011] Preferably, the utility model discloses a kind of adjustable equal-strength cantilever beams, the upper end of the fixed arm is equipped with turnover support block.

[0012] Preferably, the utility model discloses a kind of adjustable equal-strength cantilever beams, the shape of the mounting piece is "L".

[0013] Preferably, the utility model discloses a kind of adjustable equal-strength cantilever beams, the shape of the support frame is "U".

[0014] Preferably, the utility model discloses a kind of adjustable equal-strength cantilever beams, the connection sleeve is arranged at the connection position of the traction cable, the first traction shaft and the second traction shaft.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the adjustable equal-strength cantilever beam is provided, and the structure design is reasonable.

[0016] 1. The utility model adopts the installation mode of turnover type and extension type, and in use, the turnover arm and the extension arm can be adjusted according to different use requirements, the overall adjustment range is large, and different construction requirements can be met.

[0017] 2. The overall strength of the fixed arm, the turnover arm and the extension arm can be fully ensured by the cooperation of the support structure and the traction structure, and the traction connection mode of the traction cable can be used to select a traction cable with a specified length according to different construction requirements. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2The utility model discloses an oblique view three-dimensional structure schematic diagram.

[0020] Figure 3 The utility model discloses a turnover state three-dimensional structure schematic diagram.

[0021] Figure 4 The utility model discloses a front view cross section structure schematic diagram.

[0022] In the drawing: 1, fixed plate, 2, connecting plate, 3, fixed arm, 4, mounting piece, 5, connecting shaft, 6, connecting block, 7, turnover arm, 8, extension arm, 9, support plate, 10, support rod, 11, support frame, 12, traction frame, 13, first traction shaft, 14, second traction shaft, 15, traction cable, 16, turnover support block, 17, connecting sleeve. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] In the technical scheme, an adjustable equal-strength cantilever beam comprises a fixed plate 1, a connecting plate 2 is installed at the center of one side of the fixed plate 1, an adjusting and installing structure is arranged at one side of the connecting plate 2, the adjusting and installing structure comprises a fixed arm 3, two mounting pieces 4, two connecting shafts 5, a connecting block 6, a turnover arm 7 and an extension arm 8.

[0026] One end of the fixed arm 3 is fixedly connected with the center of one side of the connecting plate 2, the two mounting pieces 4 are respectively installed at the outer walls of the two sides of the fixed arm 3, the two ends of the two connecting shafts 5 are respectively movably embedded in the two mounting pieces 4, the two ends of the connecting block 6 are respectively connected with one end of the two connecting shafts 5, one end of the upper wall surface of the turnover arm 7 is fixedly connected with the lower end of the connecting block 6, and one end of the extension arm 8 is movably embedded in the turnover arm 7.

[0027] In the technical scheme, during construction, the fixed plate 1 is first fixed at a designated construction position, then the connecting plate 2 is fixed on one side of the fixed plate 1 through bolts, the adjusting and installing structure is installed, then according to the construction requirement, one end of the turnover arm 7 is lifted, the two connecting shafts 5 on the two sides of the connecting block 6 are rotated in the two installing pieces 4 until the turnover arm 7 and the fixed arm 3 are on the same axis, the fixed arm 3 and the turnover arm 7 are connected through the installing piece 4, the connecting shaft 5 and the connecting block 6, then according to the construction requirement, the extension arm 8 is pulled out in the turnover arm 7, then one end of the fixed arm 3, the turnover arm 7 and the extension arm 8 is pulled through the traction structure, and the overall strength of the fixed arm 3, the turnover arm 7 and the extension arm 8 is ensured.

[0028] In some technical schemes, referring to Figure 1 , the supporting structure is installed on one side of the lower end of the fixed plate 1, and the supporting structure comprises a supporting plate 9, four supporting rods 10 and a supporting frame 11.

[0029] The supporting plate 9 is installed on one side of the lower end of the fixed plate 1, one end of each of the four supporting rods 10 is connected to one side of the supporting plate 9, and the supporting frame 11 is installed on the other end of the four supporting rods 10 and movably sleeved on the lower end of the fixed arm 3.

[0030] In the technical scheme, after the fixed arm 3 is installed, the supporting plate 9 is fixed on one side of the fixed plate 1 through bolts, and the supporting frame 11 on the upper end of the supporting rod 10 is located at the lower end of the fixed arm 3, and the bottom end of the fixed arm 3 is supported through the cooperation of the supporting rod 10 and the supporting frame 11.

[0031] In some technical schemes, referring to Figure 1 , the traction structure is arranged on the upper end of one side of the fixed plate 1, and the traction structure comprises a traction frame 12, six first traction shafts 13, six second traction shafts 14 and six traction steel wires 15.

[0032] The traction frame 12 is fixedly installed on the upper end of one side of the fixed plate 1, the six first traction shafts 13 are respectively installed at the outer walls on both sides of the traction frame 12, the six second traction shafts 14 are respectively installed at the sidewall surfaces on one end of the fixed arm 3, the turnover arm 7 and the extension arm 8, and the two ends of the six traction steel wires 15 are respectively connected with the six first traction shafts 13 and the six second traction shafts 14.

[0033] In the technical scheme, after the fixed arm 3, the turnover arm 7 and the extension arm 8 are adjusted, a steel wire of a specified specification is taken out, the traction frame 12 is fixed on the upper end of one side of the fixed plate 1 through bolts, then the two ends of the traction steel wire 15 are connected with the first traction shaft 13 and the second traction shaft 14 to pull one end of the fixed arm 3, the turnover arm 7 and the extension arm 8, and the overall strength of the fixed arm 3, the turnover arm 7 and the extension arm 8 is further ensured.

[0034] In some technical solutions, the reference Figure 1 The upper end of the fixed arm 3 is provided with a turnover supporting block 16, the mounting piece 4 is in the shape of "L", the supporting frame 11 is in the shape of "U", and the connecting sleeve 17 is arranged at the connecting position of the traction cable 15 and the first traction shaft 13 and the second traction shaft 14.

[0035] Working principle:

[0036] During construction, first, the fixed plate 1 is fixed at the designated construction position, then the connecting plate 2 is fixed on one side of the fixed plate 1 through bolts, the adjusting and mounting structure is installed, then according to the construction requirements, one end of the turnover arm 7 is lifted, the two connecting shafts 5 on both sides of the connecting block 6 are rotated in the two mounting pieces 4, until the turnover arm 7 and the fixed arm 3 are on the same axis at the upper end, the turnover arm 7 and the fixed arm 3 are connected through the mounting piece 4, the connecting shaft 5 and the connecting block 6, then according to the construction requirements, the extension arm 8 is pulled out in the turnover arm 7, when the fixed arm 3 is installed, the supporting plate 9 is fixed on one side of the fixed plate 1 through bolts, and the supporting frame 11 at the upper end of the supporting rod 10 is located at the lower end of the fixed arm 3, the bottom end of the fixed arm 3 is supported through the cooperation of the supporting rod 10 and the supporting frame 11, when the fixed arm 3, the turnover arm 7 and the extension arm 8 are adjusted, the steel cable of the specified specification is taken out, the traction frame 12 is fixed on one side of the upper end of the fixed plate 1 through bolts, then the two ends of the traction cable 15 are connected with the first traction shaft 13 and the second traction shaft 14, one end of the fixed arm 3, the turnover arm 7 and the extension arm 8 are pulled, and the overall strength of the fixed arm 3, the turnover arm 7 and the extension arm 8 is further ensured.

[0037] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, the features of the embodiments disclosed by the utility model can be combined with each other in any manner as long as there is no structural conflict, and the combinations of the features are not exhaustively described in the specification only for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An adjustable uniform strength cantilever beam comprising a fixed plate (1), characterized in that, The fixed plate (1) one side center is equipped with the connecting plate (2), one side of connecting plate (2) is equipped with the adjusting installation structure, the adjusting installation structure includes fixed arm (3), two mounting pieces (4), two connecting shafts (5), connecting block (6), turnover arm (7) and extension arm (8);The fixed arm (3) one end is fixedly connected with the connecting plate (2) one side center, two the mounting piece (4) is installed on the outer wall of fixed arm (3) two sides respectively, two the connecting shaft (5) both ends are movably embedded in two the mounting piece (4), the connecting block (6) both ends are connected with two the connecting shaft (5) one end, the turnover arm (7) one end upper wall surface is fixedly connected with the connecting block (6) lower end, the extension arm (8) one end movably embedded in the turnover arm (7).

2. A tunable uniform strength cantilever according to claim 1, wherein, The fixed plate (1) one side lower end is equipped with support structure, the support structure includes support plate (9), four support rods (10) and support frame (11);The support plate (9) is installed on the fixed plate (1) one side lower end, four the support rod (10) one end is connected with the support plate (9) one side, the support frame (11) is installed on four the support rod (10) the other end, and is movably sleeved on the lower end of fixed arm (3).

3. A tunable uniform strength cantilever according to claim 1, wherein, The fixed plate (1) one side upper end is equipped with traction structure, the traction structure includes traction frame (12), six first traction shafts (13), six second traction shafts (14) and six traction cables (15);The traction frame (12) is fixedly installed on the fixed plate (1) one side upper end, six the first traction shaft (13) is installed on the outer wall of traction frame (12) two sides respectively, six the second traction shaft (14) is installed on the outer wall of fixed arm (3), turnover arm (7) and extension arm (8) one end two sides respectively, six the traction cable (15) both ends are connected with six the first traction shaft (13) and six the second traction shaft (14) respectively.

4. A tunable uniform strength cantilever according to claim 1, wherein, The fixed arm (3) upper end is equipped with turnover support block (16).

5. A tunable uniform strength cantilever according to claim 1, wherein, The shape of mounting piece (4) is "L".

6. A tunable uniform strength cantilever according to claim 2, wherein, The shape of support frame (11) is "U".

7. A tunable uniform strength cantilever according to claim 3, wherein, The traction cable (15) and the first traction shaft (13) and the second traction shaft (14) connection are all equipped with connecting sleeve (17).

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