Standard knot connecting structure and tower crane

Abstract

The utility model provides a standard knot connecting structure and a tower crane. The standard knot connecting structure comprises a climbing frame, a connecting rod and a connecting rod, the tower body standard knot comprises a first main chord member with a plurality of main chord surfaces; the hooping mechanism comprises a hooping frame and a plurality of pressing assemblies, the hooping frame and the climbing frame are both provided with the pressing assemblies, and the hooping frame and the climbing frame are used for defining a hooping space allowing the first main chord member to stretch into; the multiple pressing assemblies located in the hoop space are used for abutting against the multiple main chord planes in a one-to-one correspondence mode. According to the standard knot connecting structure, the hoop mechanism is matched with the climbing frame, the multiple main chord surfaces of the first main chord member are all pressed through the multiple pressing assemblies on the basis that the hoop mechanism is adopted, the climbing frame can be prevented from being separated from the tower body standard knot, and the stability between the climbing frame and the tower body standard knot is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering machinery technical field especially relates to a standard knot connection structure and tower crane. BACKGROUND

[0002] Tower crane as the vertical transport equipment widely used in the field of building construction, undertakes the key task of hoisting building materials, personnel, equipment etc. Its core structure contains standard knot, climbing frame etc., and the connecting structure between climbing frame and standard knot is the key element of the whole tower crane working performance and construction efficiency.

[0003] In the traditional tower crane design, the climbing frame and standard knot connecting structure mainly rely on multilayer roller, and each layer of roller has a plurality of rollers which are in contact with the outer side of the standard knot. This conventional standard knot section outer side connecting mode is only suitable for bearing large vertical force (tower crane head weight). When the climbing frame outer frame bears large horizontal force or torque (such as tower belt machine), it is easy to cause the climbing frame outer frame to deform, so that part of the roller is separated from the standard knot, the fastening degree of the climbing frame and the standard knot is reduced, which seriously affects the stability of the whole tower body structure and increases the potential risk of major safety accidents. SUMMARY

[0004] The main purpose of the utility model is to provide a standard knot connecting structure and tower crane, which aims to solve the technical problem of poor stability between the climbing frame and the standard knot.

[0005] In order to achieve the above purpose, the utility model provides a standard knot connecting structure, which comprises: a climbing frame; a tower body standard knot comprising a first chord with a plurality of main chord surfaces; a clamp mechanism comprising a clamp frame and a plurality of compression components, the clamp frame and the climbing frame are provided with the compression components, the clamp frame is used for surrounding the clamp space with the climbing frame for the first chord to extend into, and the plurality of compression components in the clamp space are used for one-to-one abutting the plurality of main chord surfaces.

[0006] In the utility model embodiment, the clamp frame and the climbing frame are rotationally connected, the clamp frame can reciprocate and rotate between the abutting position and the avoiding position relative to the climbing frame, the compression components on the clamp frame in the abutting position abut the main chord surface, and the clamp frame in the avoiding position is folded on the climbing frame.

[0007] In the utility model embodiment, the clamp frame comprises a first connecting rod and a second connecting rod hinged to the climbing frame, the first connecting rod and the second connecting rod can rotate relative to the climbing frame, and the first connecting rod and the second connecting rod are detachably connected.

[0008] In the embodiment of the utility model, the climbing frame comprises a second main chord, a first web and a second web, the first web and the second web are at an angle to each other and are both connected to the second main chord, the first connecting rod and the second connecting rod are respectively hingedly connected to the first web and the second web.

[0009] In the embodiment of the utility model, the first web and the second web are both provided with a limiting piece, the limiting piece is used for limiting the first connecting rod and the second connecting rod to the avoiding position.

[0010] In the embodiment of the utility model, the pressing assembly comprises: an abutting piece for abutting against the first main chord; an adjusting screw, a threaded sleeve is arranged on the climbing frame and the hoop frame, the adjusting screw is arranged in the threaded sleeve and is in threaded cooperation with the threaded sleeve, and the adjusting screw is used for abutting against or avoiding the abutting piece.

[0011] In the embodiment of the utility model, the pressing assembly further comprises a guide rod connected with the abutting piece, and the climbing frame and the hoop frame are both provided with a guide hole in guiding cooperation with the guide rod.

[0012] In the embodiment of the utility model, the abutting piece is a top block or a roller; and / or, the adjusting screw is at least two, and the at least two adjusting screws are arranged side by side and at intervals.

[0013] In the embodiment of the utility model, the at least two hoop mechanisms are sequentially arranged along the length direction of the first main chord.

[0014] The utility model further provides a tower crane, the tower crane comprises the tower body standard section connecting structure as described above.

[0015] Through the above technical scheme, the standard section connecting structure provided by the embodiment of the utility model has the following beneficial effects:

[0016] The standard section connecting structure adopts a hoop mechanism, a closed hoop space for the first main chord rod to extend into is surrounded by the hoop frame and the climbing frame, the hoop frame and the climbing frame can be wrapped outside the first main chord rod, avoiding the situation that the climbing frame is separated from the first main chord rod when bearing a large horizontal force or torque, and the structural stability of the standard section connecting structure can be improved. In the case that the main chord rod extends into the hoop space, a plurality of pressing assemblies in the hoop space abut a plurality of main chord surfaces of each first main chord rod, replacing the structure form that only the outer side of the tower body standard section is connected in the prior art, ensuring that each main chord surface is abutted by the pressing assembly, so that the hoop mechanism is fastened on the plurality of first main chord rods of the tower body standard section, and the climbing frame is effectively fixed to the tower body standard section. The standard section connecting structure in the utility model cooperates with the hoop mechanism and the climbing frame, and a plurality of pressing assemblies are used to press the plurality of main chord surfaces of the first main chord rod based on the hoop structure, so that the climbing frame and the tower body standard section can be separated, and the stability between the climbing frame and the tower body standard section is greatly improved.

[0017] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following detailed description to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 is a structural schematic view of the standard section connecting structure in one state according to an embodiment of the present application;

[0020] Figure 2 is a partial structural schematic view of Figure 1 ;

[0021] Figure 3 is a structural schematic view of the part in another view in Figure 2 ;

[0022] Figure 4 is a structural schematic view of the standard section connecting structure in another state according to an embodiment of the present application;

[0023] Figure 5 is a structural schematic view of the pressing assembly of the standard section connecting structure according to an embodiment of the present application.

[0024] EXPLANATION OF REFERENCE NUMERALS

[0025] Reference numeral Name Reference numeral Name

[0026] 100 standard section connecting structure 31 hoop frame

[0027] 1 climbing frame 311 first connecting rod

[0028] 11 second main chord 312 second connecting rod

[0029] 12 first web 32 compression assembly

[0030] 13 second web 321 abutting piece

[0031] 14 limiting piece 322 adjusting screw

[0032] 2 tower standard section 323 threaded sleeve

[0033] 21 first main chord 324 guide rod

[0034] 211 chord plane 4 hoop space

[0035] 3 hoop mechanism DETAILED DESCRIPTION

[0036] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0037] The standard section connecting structure according to the utility model is described below with reference to the drawings.

[0038] As Figures 1 to 5 shown, in the embodiment of the utility model, the standard section connecting structure 100 includes a climbing frame 1, a tower standard section 2 and a hoop mechanism 3; the tower standard section 2 includes a first main chord 21 with multiple chord planes 211; the hoop mechanism 3 includes a hoop frame 31 and multiple compression assemblies 32, the hoop frame 31 and the climbing frame 1 are both provided with the compression assembly 32, the hoop frame 31 is used to enclose the hoop space 4 for the first main chord 21 to extend into with the climbing frame 1, and the multiple compression assemblies 32 located in the hoop space 4 are used to correspondingly abut the multiple chord planes 211.

[0039] It should be noted that the first main chord 21 includes four chord planes 211, the number of compression assemblies 32 and chord planes 211 is consistent, and the four compression assemblies 32 are used to correspondingly abut the four chord planes 211. As Figure 1As shown, each tower body standard section 2 includes four first main chord bars 21, and a hoop mechanism 3 with four pressing assemblies 32 is arranged at each first main chord bar 21. Among them, the pressing assembly 32 mounted on the climbing frame 1 can be a first pressing assembly, the pressing assembly 32 mounted on the hoop frame 31 can be a second pressing assembly, the two first pressing assemblies are located on the outer side of the tower body standard section 2 and are close to the outermost corner of the first main chord bar 21, which can avoid the steps and pin shafts on the tower body standard section 2, and the two second pressing assemblies are located on the inner side of the tower body standard section 2, and the two second pressing assemblies can be arranged at the middle part of the main chord surface 211.

[0040] The standard section connecting structure 100 in the embodiment adopts the hoop mechanism 3, and a closed hoop space 4 for the first main chord bar 21 to extend into is formed by the hoop frame 31 and the climbing frame 1. The hoop frame 31 and the climbing frame 1 can be wrapped around the first main chord bar 21 to avoid the situation that the climbing frame 1 is separated from the first main chord bar 21 when the climbing frame 1 bears a large horizontal force or torque, and the structural stability of the standard section connecting structure 100 can be improved. In the case that the main chord bar extends into the hoop space 4, the multiple main chord surfaces 211 of each first main chord bar 21 are abutted by the multiple pressing assemblies 32 in the hoop space 4, which replaces the structure form in the prior art that only connects the outer side of the tower body standard section cross section, and ensures that each main chord surface 211 is abutted by the pressing assembly 32, so that the hoop mechanism 3 is fastened on the multiple first main chord bars 21 of the tower body standard section 2, and the climbing frame 1 is effectively fixed to the tower body standard section 2. The standard section connecting structure 100 in the embodiment cooperates with the hoop mechanism 3 and the climbing frame 1, and the multiple main chord surfaces 211 of the first main chord bar 21 are pressed by the multiple pressing assemblies 32 based on the hoop structure, which can avoid the separation of the climbing frame 1 and the tower body standard section 2, and greatly improves the stability between the climbing frame 1 and the tower body standard section 2.

[0041] In an embodiment, the hoop frame 31 and the climbing frame 1 are rotationally connected, and the hoop frame 31 can reciprocate and rotate relative to the climbing frame 1 between the abutting position and the avoiding position. The hoop frame 31 in the abutting position abuts the main chord surface 211, and the hoop frame 31 in the avoiding position is folded on the climbing frame 1. In the embodiment, the hoop frame 31 can reciprocate and rotate relative to the climbing frame 1 between the abutting position and the avoiding position, the hoop frame 31 in the abutting position and the climbing frame 1 form a closed hoop space 4, the pressing assemblies 32 on the hoop frame 31 and the climbing frame 1 abut the main chord surface 211, the hoop frame 31 in the avoiding position is folded on the climbing frame 1, the closed hoop space 4 formed between the hoop frame 31 and the climbing frame 1 is released, the climbing frame 1 and the hoop mechanism 3 can avoid the tower body standard section 2, the first main chord bar 21 of the tower body standard section 2 can be separated from the climbing frame 1 and the hoop mechanism 3, and the climbing frame 1 can be effectively vertically lifted.

[0042] Specifically, as shown in FIG. 6, the hoop frame 31 is rotationally connected to the climbing frame 1, and the hoop frame 31 can reciprocate and rotate relative to the climbing frame 1 between the abutting position and the avoiding position. Figures 2 to 4As shown, the hoop frame 31 comprises a first connecting rod 311 and a second connecting rod 312 hinged to the climbing frame 1, both of which can rotate relative to the climbing frame 1 and are detachably connected. In this embodiment, the first connecting rod 311 and the first connecting rod 311 are detachably connected by a pin shaft. When it is necessary to fasten the tower body standard section 2 and the climbing frame 1 by the hoop mechanism 3, the first connecting rod 311 and the second connecting rod 312 can be connected by the pin shaft, so that the hoop frame 31 and the climbing frame 1 enclose the hoop space 4 for the first main chord 21 to extend into. When it is necessary to separate the tower body standard section 2 from the climbing frame 1, the pin shaft can be removed to release the connection between the first connecting rod 311 and the second connecting rod 312, and the first connecting rod 311 and the second connecting rod 312 are separated. The first connecting rod 311 and the second connecting rod 312 are rotated to the avoiding position, so that the first connecting rod 311 and the second connecting rod 312 are folded on the climbing frame 1, which facilitates the lifting of the climbing frame 1.

[0043] In other embodiments, the number of first connecting rods 311 and second connecting rods 312 can be set according to actual use requirements. Any two adjacent first connecting rods 311 are detachably hinged, and any two adjacent second connecting rods 312 are detachably hinged.

[0044] In an embodiment, the climbing frame 1 comprises a second main chord 11, a first web 12 and a second web 13, which are mutually at an angle and are connected to the second main chord 11. The first connecting rod 311 and the second connecting rod 312 are respectively hinged to the first web 12 and the second web 13. In this embodiment, the first web 12 and the second web 13 can be perpendicular to each other, and the first connecting rod 311 and the second connecting rod 312 are both long rod structures and are hinged to the climbing frame 1 by a pin shaft. In this embodiment, the first connecting rod 311 and the second connecting rod 312 are respectively hinged to different webs, which can strengthen the connection between the hoop mechanism 3 and the climbing frame 1.

[0045] As shown in Figure 4 The first web 12 and the second web 13 are both provided with a limiting piece 14 for limiting the first connecting rod 311 and the second connecting rod 312 in the avoiding position. The limiting piece 14 in this embodiment can be a limiting plate with a pin hole. When the first connecting rod 311 and the second connecting rod 312 are rotated to the avoiding position, a limiting hole is formed on the first connecting rod 311 and the second connecting rod 312. The first connecting rod 311 and the second connecting rod 312 can be limited in the avoiding position by sequentially penetrating the limiting hole and the pin hole with the pin shaft. When it is necessary to rotate the first connecting rod 311 and the second connecting rod 312 to abut, the pin shaft can be removed to release the limiting of the first connecting rod 311 and the second connecting rod 312 by the limiting piece 14, which is simple in structure and convenient to operate.

[0046] Specifically, as shown in Figure 5 The pressing assembly 32 comprises an abutting piece 321 and an adjusting screw 322, the abutting piece 321 is used for abutting against the main chord surface 211; a threaded sleeve 323 is arranged on the climbing frame 1 and the hoop frame 31, the adjusting screw 322 is arranged in the threaded sleeve 323 and is in threaded cooperation with the threaded sleeve 323, and the adjusting screw 322 is used for abutting against or avoiding the abutting piece 321.

[0047] The threaded sleeve 323 in the embodiment can be fixedly installed on the climbing frame 1 and the hoop frame 31, the adjusting screw 322 is twisted, the adjusting screw 322 is moved by the movement of the threaded sleeve 323, the adjusting screw 322 is moved to abut against the abutting piece 321, the abutting piece 321 abuts against the main chord surface 211, when it is needed to withdraw the abutting piece 321, the adjusting screw 322 is twisted in the reverse direction, the adjusting screw 322 avoids the abutting piece 321 by a certain distance, and then the abutting piece 321 is separated from the main chord surface 211. In the embodiment, the abutting piece 321, the adjusting screw 322 and the threaded sleeve 323 are cooperated to ensure that the abutting piece 321 is abutted against in place and the abutting piece 321 is separated from the main chord surface 211 conveniently, and the structure is simple and convenient to operate.

[0048] In an embodiment, the pressing assembly 32 further comprises a guide rod 324 connected with the abutting piece 321, and the climbing frame 1 and the hoop frame 31 are provided with guide holes in guided cooperation with the guide rod 324. The guide rod 324 in the embodiment is in slidable contact cooperation with the guide hole, the guide rod 324 can be connected with the abutting piece 321 as a whole, and the guide rod 324 slides in the guide hole to avoid the abutting piece 321 from being stuck. The abutting piece 321 in the embodiment is a square top block, the climbing frame 1 and the hoop frame 31 are provided with guide grooves in guided cooperation with the abutting piece 321, when it is needed to withdraw the abutting piece 321, the adjusting screw 322 is twisted in the reverse direction, the adjusting screw 322 avoids the abutting piece 321 by a certain distance, the abutting piece 321 is pushed, the guide rod 324 and the guide hole are in slidable contact cooperation, the abutting piece 321 is guided to move along the guide groove, and then the abutting piece 321 is separated from the main chord surface 211.

[0049] It should be noted that the abutting piece 321 is a top block or a roller; in the case that the abutting piece 321 is subjected to a large force, the abutting piece 321 in the embodiment is a top block, the top block can comprise an abutting plane, and the abutting plane can be in surface contact with the main chord surface 211; in the case that the abutting piece 321 needs to be convenient to use and subjected to a small force, the abutting piece 321 is a roller, and the roller can be in rolling contact cooperation with the main chord surface 211; and the adjusting screw 322 is at least two, and the at least two adjusting screws 322 are arranged side by side and at intervals. As shown in Figure 5The adjusting screw 322 in the embodiment is two, and a guide rod 324 is arranged between the two adjusting screws 322, the abutting piece 321 can be pushed by the two adjusting screws 322 at the same time, the abutting efficiency of the abutting piece 321 is improved, and the situation that the abutting piece 321 is offset due to uneven abutting is avoided.

[0050] It can be understood that the at least two hoop mechanisms 3 are arranged in sequence along the length direction of the first main chord 21. The tower crane can be designed with multiple layers of hoop mechanisms 3, so as to improve the stability of the overall structure of the tower crane, and the second main chord 11 of the climbing frame 1 and the first main chord 21 of the tower body standard section 2 are bound and locked, so as to further improve the structural stability of the standard section connecting structure 100.

[0051] The utility model discloses still propose a kind of climbing system, tower crane includes introduction platform, transition section and above standard section connecting structure 100, it can increase height by increasing tower body standard section 2, reduce height by reducing tower body standard section 2.The utility model discloses still propose a kind of tower crane, tower crane includes above standard section connecting structure 100, and the specific structure of this standard section connecting structure 100 refers to above embodiment. Since the tower crane adopts all technical solutions of above all embodiments, it at least has all beneficial effects brought by the technical solutions of above embodiments, which will not be repeated here.Tower crane can be applied to tower belt machine for concrete pouring.The utility model discloses still propose a kind of tower belt machine, tower belt machine can be used for concrete pouring equipment, and tower belt machine can include tower crane and belt conveyor.

[0052] In the description of the utility model, it is necessary to understand that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0053] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0054] In the description of the present specification, the description referring to 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 application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0055] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A standard joint connection structure characterized by comprising: The standard section connection structure (100) includes: Climbing frame (1); The tower body standard section (2) includes a first main chord member (21) with multiple main chord surfaces (211); The clamping mechanism (3) includes a clamping frame (31) and a plurality of clamping components (32). The clamping frame (31) and the climbing frame (1) are both provided with the clamping components (32). The clamping frame (31) and the climbing frame (1) form a clamping space (4) for the first main chord (21) to extend into. The plurality of clamping components (32) located in the clamping space (4) are used to abut against the plurality of main chord surfaces (211) one by one.

2. The standard joint connection structure according to claim 1, characterized in that, The clamp frame (31) and the climbing frame (1) are rotatably connected. The clamp frame (31) can reciprocate between the abutting position and the avoidance position relative to the climbing frame (1). When the clamp frame (31) is in the abutting position, the clamping component (32) abuts against the main chord surface (211). When the clamp frame (31) is in the avoidance position, it is folded over the climbing frame (1).

3. The standard joint connection structure according to claim 2, characterized in that, The clamp frame (31) includes a first connecting rod (311) and a second connecting rod (312) hinged to the climbing frame (1). Both the first connecting rod (311) and the second connecting rod (312) can rotate relative to the climbing frame (1), and the first connecting rod (311) and the second connecting rod (312) are detachably connected.

4. The standard joint connection structure according to claim 3, characterized in that The climbing frame (1) includes a second main chord (11), a first web member (12), and a second web member (13). The first web member (12) and the second web member (13) are at an angle to each other and are both connected to the second main chord (11). The first connecting rod (311) and the second connecting rod (312) are respectively hinged to the first web member (12) and the second web member (13).

5. The standard section connection structure according to claim 4, characterized in that, Both the first web member (12) and the second web member (13) are provided with limiting members (14), which are used to limit the first connecting rod (311) and the second connecting rod (312) to a clearance position.

6. The standard section connection structure according to any one of claims 1 to 5, characterized in that, The clamping assembly (32) includes: Abutting member (321) is used to abut against the first main chord (21); The adjusting screw (322) is provided with a threaded sleeve (323) on the climbing frame (1) and the clamp frame (31). The adjusting screw (322) passes through the threaded sleeve (323) and is threadedly engaged with the threaded sleeve (323). The adjusting screw (322) is used to abut against or avoid the abutment (321).

7. The standard section connection structure according to claim 6, characterized in that, The clamping assembly (32) also includes a guide rod (324) connected to the abutment member (321), and the climbing frame (1) and the clamp frame (31) are both provided with guide holes that cooperate with the guide rod (324).

8. The standard section connection structure according to claim 6, characterized in that, The abutment (321) is a top block or a roller; And / or, There are at least two adjusting screws (322), and the at least two adjusting screws (322) are arranged side by side with intervals.

9. The standard section connection structure according to any one of claims 1 to 5, characterized in that, At least two of the clamping mechanisms (3) are arranged sequentially along the length of the first main chord (21).

10. A tower crane, characterized in that, The tower crane includes the standard section connection structure (100) as described in any one of claims 1 to 9.

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