Anti-deformation device and transport arm
By adopting anti-deformation devices in the arm frame, including struts and fixing mechanisms, the problems of transportation and stability of the ultra-wide large cross-sectional arms are solved, and higher stability and convenient disassembly and assembly are achieved.
Patent Information
- Application Number
- CN202210999210.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-08-19
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2042-08-19
AI Technical Summary
While meeting high performance requirements, the existing ultra-wide large cross-sectional arms are prone to exceed transportation size limitations, and the assembled arm frames are insufficient instability.
The deformation-resistant device is adopted, including a strut rod and a fixing mechanism for connecting the strut rod and the main chord rod. The fixing mechanism includes a pressing plate mechanism and a connecting mechanism to improve the connection strength and stability through the pressing plate and the reinforcement plate.
It improves the stability of the arm frame, enhances the connection strength between the main chord and the support rod, facilitates disassembly and assembles, and significantly improves the overall performance of the transport arm frame.
Smart Images

Figure CN115353016B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of cranes and relates to an anti-deformation device and a transport boom. Background Art
[0002] In the future, the installation height of high-power wind turbines will increase significantly, requiring crawler cranes to have ultra-long arms and high performance to meet the needs of the wind power hoisting market. Ultra-wide and large-section is an important way to solve the problem of ultra-long arms and high performance, but the welded ultra-wide and large-section arms can easily exceed the size limit of the boom transportation while meeting the performance requirements, and require higher stability of the boom.
[0003] In order to solve the problem of ultra-wide and large-section booms being limited by transportation dimensions, the market has introduced assembled booms, which can be disassembled when in use to meet transportation and storage dimension requirements. However, the belly rod of the assembled boom is connected to the hinge structure on the main chord through a pin clip, and the boom is a spatial tetrahedron structure. Compared with the traditional welded boom, although it is more flexible, it lacks stability. Summary of the invention
[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide an anti-deformation device and a transport boom, which can improve the stability of the boom and are simple and convenient to assemble and disassemble.
[0005] To achieve the above object, the present invention is implemented by adopting the following technical solutions:
[0006] An anti-deformation device includes a brace and a fixing mechanism for connecting the brace and a main chord;
[0007] The fixing mechanism includes a pressing plate mechanism and a connecting mechanism;
[0008] The connecting mechanism includes a base plate arranged on the side wall of the main chord, and the base plate is hinged to the end of the support rod;
[0009] The pressing plate mechanism comprises a plurality of pressing plates for pressing the base plate and the main chord rod, and two ends of the pressing plates are connected to the side walls of the main chord rod.
[0010] Optionally, the plate surface of the pressure plate is perpendicular to the axial direction of the main chord, and a placement groove for placing the substrate is provided on the edge of the pressure plate close to the outer wall of the main chord, and the end of the substrate is arranged in the placement groove.
[0011] Optionally, a plurality of mutually parallel reinforcing plates are provided between adjacent pressing plates, and two parallel plate edges of the reinforcing plates are respectively connected to the plate surfaces of two adjacent pressing plates.
[0012] Optionally, the pressing plate surfaces on the outermost sides of the pressing plate mechanism are respectively provided with fastening mechanisms for fixing the substrate, and the fastening mechanisms are arranged on both sides of the placement groove.
[0013] Optionally, the fastening mechanism includes a mounting plate and fastening bolts, the plate edge of the mounting plate is connected to the plate surface of the pressure plate, the fastening bolts penetrate the mounting plate and are threadedly connected to the mounting plate, and the base plate is clamped by the bolts on both sides of the placement groove.
[0014] Optionally, a plurality of first gaskets are provided between the base plate and the bottom of the placement groove, and a second gasket is provided between the base plate and the side wall of the main chord.
[0015] Optionally, a baffle is provided on the second gasket, a plate edge of the baffle is connected to the gasket surface of the second gasket, and the baffle is connected to the end of the base plate through bolts.
[0016] Optionally, the board surface of the base plate is provided with ear plates, and the base plate is hinged to the support rod via the ear plates.
[0017] A transport boom comprises the anti-deformation device of the above technical solution.
[0018] Optionally, the webs on a pair of parallel planes of the transport boom are hinged to the main chord, the webs on the same plane are arranged in a zigzag shape, and the two ends of the struts are respectively connected to the main chords on the diagonals of the transport boom.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] The present invention provides an anti-deformation device and application thereof, wherein the support rod is used to connect and fix the main chord rod on the diagonal line, thereby improving the stability of the arm frame; the fixing mechanism has high fixing strength, which facilitates the connection between the main chord rod and the support rod;
[0021] The fixing mechanism is easy and quick to disassemble and assemble, and the base plate can move freely in the placement slot, which can significantly improve the disassembly and assembly efficiency and reduce labor intensity;
[0022] The fastening mechanism, the first gasket and the second gasket facilitate adjustment and fixation of the position of the substrate in the placement groove, thereby improving the stability of the substrate in the placement groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 The figure shows a schematic diagram of the application of the anti-deformation device of the present invention in a transport boom;
[0024] Figure 2 Shown is a schematic diagram of a fixing mechanism according to an embodiment of the present invention;
[0025] Figure 3 Shown Figure 2 Exploded diagram of the connecting mechanism;
[0026] Figure 4 Shown Figure 2 Schematic diagram of the medium pressure plate mechanism;
[0027] Figure 5 Shown Figure 2Schematic diagram of the fastening mechanism;
[0028] Figure 6 Shown Figure 5 Exploded view of the first and second gaskets.
[0029] In the figure: 1. main chord; 2. support rod; 3. base plate; 4. ear plate; 5. pin clip; 6. connecting ear; 7. pressure plate; 8. reinforcement plate; 9. placement groove; 10. mounting plate; 11. fastening bolt; 12. first gasket; 13. second gasket; 14. baffle. DETAILED DESCRIPTION
[0030] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.
[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0033] Embodiment 1
[0034] like Figure 1 and Figure 6As shown, an anti-deformation device includes a strut 2 and a fixing mechanism for connecting the strut 2 and the main chord 1, the two ends of the strut 2 are respectively connected to the main chord 1 on the diagonal of the arm through the fixing mechanism; the fixing mechanism includes a pressure plate mechanism and a connecting mechanism; the connecting mechanism includes a base plate 3 and an ear plate 4, the plate edge of the ear plate 4 is welded to the plate surface of the base plate 3, the longitudinal section of the base plate 3 is an arc shape matching the outer side wall of the main chord 1, the base plate 3 is hinged to the end ear plate of the strut 2 through the ear plate 4 and the hinge clip 5, the arc-shaped base plate 3 is conducive to close fitting with the main chord 1, and the ear plate 4 facilitates the hinge connection of the base plate 4 and the strut 2.
[0035] The pressing plate mechanism is respectively arranged at the two ends of the base plate 3, and the pressing plate mechanism includes two pressing plates 7 for fixing the base plate 3. The two pressing plates 7 are parallel to each other, and the plate surface is perpendicular to the axial direction of the main chord 1. The two ends of the pressing plate 7 are connected to the connecting ears 6 of the side wall of the main chord 1 by bolts. The plate edge of the pressing plate 7 is in an arc shape matching the main chord 1. The connecting ears 6 facilitate the fixed connection between the pressing plate 7 and the main chord 1, and the arc-shaped pressing plate 7 is conducive to a close fit with the main chord 1; the plate edge of the pressing plate 7 close to the side wall of the main chord 1 is provided with a placement groove 9 for placing the base plate 3, and the placement groove 9 facilitates the installation and fixation of the base plate 3.
[0036] Embodiment 2
[0037] like Figures 1 to 5 As shown, two mutually parallel reinforcing plates 8 are arranged between the two pressing plates 7 of the pressing plate mechanism, and two parallel plate edges of the reinforcing plates 8 are respectively welded to the plate surfaces of the two pressing plates 7, so that the reinforcing plates 8 improve the stability of the pressing plate mechanism.
[0038] The depth of the placement groove 9 is 5 mm larger than the thickness of the substrate 3, and the width of the placement groove 9 is 1 cm larger than the width of the substrate 3. The outer plate surfaces of the two pressure plates of the pressure plate mechanism are respectively provided with two fastening mechanisms for fixing the substrate 3, and the fastening mechanisms are arranged on both sides of the placement groove 9; the fastening mechanism includes a mounting plate 10 and a fastening bolt 11, the plate edge of the mounting plate 10 is welded to the plate surface of the pressure plate 7, the fastening bolt 11 passes through the mounting plate 10, and is threadedly connected to the mounting plate 10, and the substrate 3 is clamped by threadedly rotating the bolts on both sides of the placement groove 9; a nut is provided on the fastening bolt 11, and the nut is arranged between the mounting plate 10 and the substrate 3, and the nut facilitates the stable connection between the fastening bolt 11 and the mounting plate 10.
[0039] A plurality of first gaskets 12 are provided between the base plate 3 and the bottom of the placement groove 9, a second gasket 13 is provided between the base plate 3 and the side wall of the main chord 1, the first gasket 12 is connected to the base plate 3 by bolts, a baffle 14 is provided on the second gasket 13, the plate edge of the baffle 14 is welded to the pad surface of the second gasket 13, the baffle 14 is connected to the end of the base plate 3 by bolts, and the position of the base plate in the fixed placement groove 9 is adjusted by the number or thickness of the first gasket 12 and the second gasket 13.
[0040] A transport boom comprises the anti-deformation device of the above technical solution, wherein the web members on a pair of parallel planes of the transport boom are hinged to the main chord, the web members on the same plane are arranged in a zigzag shape, and the two ends of the support rod are respectively connected to the main chord on the diagonal sides of the transport boom.
[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. An anti-deformation device, characterized in that: It includes a brace and a fixing mechanism for connecting the brace and the main chord; The fixing mechanism includes a pressing plate mechanism and a connecting mechanism; The connecting mechanism includes a base plate arranged on the side wall of the main chord, and the base plate is hinged to the end of the support rod; The pressing plate mechanism includes a plurality of pressing plates for pressing the substrate and the main chord, and the two ends of the pressing plates are connected to the side walls of the main chord; the plate surface of the pressing plate is perpendicular to the axial direction of the main chord, and the plate edge of the pressing plate close to the outer wall of the main chord is provided with a placement groove for placing the substrate, and the end of the substrate is arranged in the placement groove; the plate surfaces of the pressing plates on the outermost sides of the pressing plate mechanism are respectively provided with fastening mechanisms for fixing the substrate, and the fastening mechanisms are arranged on both sides of the placement groove; the fastening mechanism includes a mounting plate and fastening bolts, the plate edge of the mounting plate is connected to the plate surface of the pressing plate, the fastening bolts pass through the mounting plate, and are threadedly connected to the mounting plate, and the substrate is clamped by the bolts on both sides of the placement groove.
2. The anti-deformation device according to claim 1, characterized in that: A plurality of mutually parallel reinforcing plates are arranged between adjacent pressing plates, and two parallel plate edges of the reinforcing plates are respectively connected to the plate surfaces of two adjacent pressing plates.
3. The anti-deformation device according to claim 1, characterized in that: A plurality of first gaskets are arranged between the base plate and the bottom of the placement groove, and a second gasket is arranged between the base plate and the side wall of the main chord.
4. The anti-deformation device according to claim 3, characterized in that: A baffle is arranged on the second gasket, the plate edge of the baffle is connected with the gasket surface of the second gasket, and the baffle is connected with the end of the base plate through bolts.
5. The anti-deformation device according to claim 1, characterized in that: The plate surface of the base plate is provided with ear plates, and the base plate is hinged with the support rod through the ear plates.
6. A transport boom, characterized in that: The invention comprises the anti-deformation device according to any one of claims 1 to 5.
7. The transport boom according to claim 6, characterized in that: The web members on a pair of parallel planes of the transport boom are hinged to the main chord, the web members on the same plane are arranged in a zigzag shape, and the two ends of the strut are respectively connected to the main chord on the diagonal sides of the transport boom.
Citation Information
Patent Citations
Arm support device and hoisting equipment
CN113060659A
Deformation-resistant climbing frame of tower crane
CN203112392U