Crane suspension arm steel wire rope assembly equipment and assembly method

Abstract

The invention relates to the technical field of engineering machinery assembly equipment, and discloses crane jib steel wire rope assembly equipment and an assembly method. The crane jib steel wire rope assembling equipment comprises two pull rope tensioning devices which are arranged in an aligned mode. Each pull rope tensioning device comprises a linear driving mechanism and a pull rope mechanism. The rope pulling mechanism comprises a tensioning support, a tensioning cantilever and a rope head fixing assembly, the tensioning support is arranged at the output end of the linear driving mechanism, the tensioning cantilever is arranged on the tensioning support, and the rope head fixing assembly is arranged on the tensioning cantilever; the linear driving mechanism is used for driving the rope pulling mechanism to move in the second horizontal direction. According to the crane jib steel wire rope assembling equipment disclosed by the invention, the mounting efficiency and the mounting quality are improved.

Description

Technical Field

[0001] The present application belongs to the technical field of engineering machinery assembly equipment, and specifically relates to a crane boom wire rope assembly device and an assembly method. Background Art

[0002] In the field of construction machinery assembly, the assembly of the wire rope for extending the boom of a truck crane is one of the key processes. Improper assembly of the wire rope will directly affect the telescopic performance of the boom, and there will be great safety hazards in subsequent operations.

[0003] Currently, the industry adopts the manual pulling method to assemble wire ropes. The friction between the wire rope and the ground is used to tension the wire rope, which cannot guarantee the tension of the wire rope. It is easy to have quality problems such as the wire rope getting tangled and falling off the pulley. Moreover, this operation method has low operation efficiency and high labor intensity. The assembly quality cannot be guaranteed and there are safety risks. Summary of the invention

[0004] The purpose of the present application is to provide a crane boom wire rope assembly device and an assembly method, which are used to solve the problems of existing manual assembly that the quality cannot be guaranteed, the efficiency is low, and the labor intensity is high.

[0005] In order to achieve the above-mentioned object, the present application provides, in a first aspect, a crane boom wire rope assembly device, comprising two rope tensioning devices arranged in a first horizontal direction, a space for accommodating a first boom section is formed between the two rope tensioning devices, and the rope tensioning device comprises a linear drive mechanism and a rope pulling mechanism;

[0006] The rope pulling mechanism comprises a tensioning support, a tensioning cantilever and a rope end fixing assembly, wherein the tensioning support is arranged at the output end of the linear drive mechanism, the tensioning cantilever is arranged on the tensioning support, and the rope end fixing assembly is arranged on the tensioning cantilever and is used to connect the rope end of the steel wire rope to be installed on the first arm section;

[0007] The linear drive mechanism is used to drive the rope-pulling mechanism to move along a second horizontal direction, and the first horizontal direction is perpendicular to the second horizontal direction.

[0008] As a further improvement of the above technical solution:

[0009] In some embodiments, the rope head fixing assembly includes:

[0010] A fixing frame is arranged on the tensioning cantilever, and a receiving hole for the rope end of the steel wire rope to pass through is formed between the fixing frame and the tensioning cantilever;

[0011] A fixed pin has one end as a limiting end and the other end passes through the fixing frame and the accommodating hole in sequence to be detachably connected to the tensioning cantilever. A pin hole for the fixed pin to pass through is provided on the rope head of the steel wire rope.

[0012] In some embodiments, the tensioning cantilever is rotatably disposed on the tensioning support;

[0013] The rope pulling mechanism also includes a rotation limiting plate, which is arranged on the tensioning support and is used to limit the rotation of the tensioning cantilever relative to the tensioning support.

[0014] In some embodiments, the rotation limit plate is detachably disposed on the tension support;

[0015] The tensioning cantilever is provided with a limiting protrusion, and the limiting protrusion is used to abut and cooperate with the rotation limiting plate.

[0016] In some embodiments, the linear drive mechanism comprises:

[0017] A linear sliding assembly, comprising a base and a slide rail disposed on the base, wherein two ends of the slide rail extend along the second horizontal direction (X) respectively;

[0018] a slide seat, slidably disposed on the slide rail, the pull rope mechanism being disposed on the slide seat; and

[0019] The driving assembly is arranged on the base and connected to the slide seat, and is used for driving the slide seat to slide along the slide rail.

[0020] In some embodiments, the drive assembly comprises:

[0021] A driving seat connected to the base;

[0022] A power output module is disposed on the drive seat; and

[0023] A mechanical transmission module, the mechanical transmission module is in transmission connection with the power output module, and the slide is connected with the mechanical transmission module;

[0024] Wherein, the power output module is used to drive the mechanical transmission module to drive the slide seat to slide along the slide rail.

[0025] In some embodiments, the mechanical transmission module is a sprocket chain structure, or the mechanical transmission module is a pulley belt structure, or the mechanical transmission module is a screw nut seat structure.

[0026] In some embodiments, the crane boom wire rope assembly equipment further includes: a supporting device, arranged between the two pull rope tensioning devices, for supporting the first boom section; and

[0027] An assembly trolley is arranged at one end of the supporting device and is used for conveying the second boom section to be assembled along the second horizontal direction (X).

[0028] In a second aspect, the present application further provides a crane boom wire rope assembly method, which is applied to the crane boom wire rope assembly device provided according to the first aspect above, and the crane boom wire rope assembly method comprises:

[0029] S100: placing the first arm section between the two rope tensioning devices and preparing two sets of steel wire ropes to be installed;

[0030] S200: driving the rope pulling mechanisms on both sides of the first arm section to move to the tail end of the first arm section, and then arranging a group of the steel wire ropes on both sides of the first arm section, and fixing the rope ends of the steel wire ropes on the rope pulling mechanisms;

[0031] S300: Assemble the second arm section into the first arm section and install the steel wire rope on the second arm section, and bring the steel wire rope into the first arm section by the second arm section, and start the rope tensioning device at the same time, tighten the steel wire rope through the rope tensioning mechanism until the second arm section is assembled in place, stop the rope tensioning device, remove the rope end of the steel wire rope and install it to the tail of the first arm section.

[0032] As a further improvement of the above technical solution:

[0033] In some embodiments, step S300 includes:

[0034] S310: transporting the second boom section to the head end of the first boom section by means of an assembly trolley, and then installing the steel wire rope in the corresponding ear plates on both sides of the tail of the second boom section, fixing the upper end on a dedicated rope support frame, and tying and fixing the lower end on the lower side of the tail of the second boom section;

[0035] S320: Start the assembly trolley, install the second boom section into the first boom section, stop the assembly trolley when the rope support frame contacts the head of the first boom section, remove the rope support frame, and put the steel wire rope into the pulley at the head of the first boom section. The order of the steel wire rope inside and outside the pulley must be consistent with that of the second boom section at the end.

[0036] S330: starting the rope tensioning device, the rope tensioning mechanism drives the steel wire rope to slide toward the tail of the first arm section, so that the steel wire rope fits tightly in the pulley groove at the head of the first arm section;

[0037] S340: starting the assembly trolley again, and continuing to load the second arm section into the first arm section. The steel wire rope rolls with the pulley and moves toward the head direction of the first arm section. The rope tensioning device is started synchronously. The rope pulling mechanism drives the steel wire rope to move toward the head direction of the first arm section. The moving speed of the rope pulling mechanism is lower than the moving speed of the assembly trolley.

[0038] S350: After the second boom section is assembled in place and the steel wire rope is also assembled in place, the operation of the rope tensioning device and the assembly trolley is stopped, and the rope head of the steel wire rope is removed and installed to the tail of the first boom section.

[0039] The present application provides a crane boom wire rope assembly device and an assembly method, wherein the crane boom wire rope assembly device, when assembling the wire rope, first places the first arm section between two pull rope tensioning devices, and then conveys the second arm section to the first arm section, thereby the wire ropes on both sides can be synchronously pulled by the pull rope tensioning devices arranged on both sides of the first arm section. Specifically, when assembling the wire rope, the rope head of the wire rope is connected to the rope head fixing assembly of the pull rope mechanism, and then the linear drive mechanism drives the entire pull rope mechanism to drive the wire rope to move along the first direction. During the assembly process of the first arm section and the second arm section, the wire rope is pulled by the pull rope tensioning device to ensure that the wire rope is always in a tensioned state. In this way, the crane boom wire rope assembly device provided by the present application does not need to manually pull the wire rope, and the wire rope will not rub against the ground. On the one hand, the installation efficiency of the wire rope is improved, and the installation process is safer and more reliable; on the other hand, the installation quality of the wire rope is improved, and the problems of the wire rope twisting and falling off the pulley are avoided, ensuring the safety of use after installation.

[0040] Other features and advantages of the embodiments of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present application, but do not constitute a limitation on the embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without creative work. In the drawings:

[0042] Figure 1 A schematic diagram of a three-dimensional structure of two rope tensioning devices arranged in opposition in a crane boom wire rope assembly device provided in an embodiment of the present application;

[0043] Figure 2 A schematic diagram of the three-dimensional structure of a rope tensioning device provided in an embodiment of the present application;

[0044] Figure 3 A schematic diagram of a partial structure of a linear sliding assembly in a rope tensioning device provided in an embodiment of the present application;

[0045] Figure 4 A schematic diagram of a partial structure of a power output module in a rope tensioning device provided in an embodiment of the present application;

[0046] Figure 5 A schematic diagram of the local structure of the cooperation between the tensioning assembly and the driven sprocket in the rope tensioning device provided in an embodiment of the present application.

[0047] Description of Reference Numerals

[0048] 100. Rope tensioning device;

[0049] 110, linear drive mechanism; 111, linear sliding assembly; 1110, base; 1111, slide rail; 112, slide seat; 113, drive assembly; 1130, drive seat; 1131, power output module; 1132, mechanical transmission module; 1133, sprocket mounting seat; 1134, driving sprocket; 1135, driven sprocket; 1136, driving shaft; 1137, driven shaft; 114, tensioning assembly; 1140, tensioning seat; 1141, bearing seat; 1142, long hole;

[0050] 120, rope pulling mechanism; 121, tensioning support; 122, tensioning cantilever; 1220, limiting protrusion; 123, rope head fixing assembly; 1230, fixing frame; 1231, fixing pin; 1232, receiving hole; 124, rotating limiting plate;

[0051] X, second horizontal direction; Y, first horizontal direction. DETAILED DESCRIPTION

[0052] The specific implementation of the present application is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present application, and is not used to limit the present application.

[0053] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0054] See also Figure 1 , this embodiment provides a crane boom wire rope assembly device for assisting the installation of the wire rope in the crane boom.

[0055] In this embodiment, the crane arm wire rope assembly equipment includes two rope tensioning devices 100 arranged in a first horizontal direction Y, and a space for accommodating the first arm section is formed between the two rope tensioning devices 100. In this way, the first boom can be placed between the two rope tensioning devices 100 to facilitate the subsequent installation of the wire rope.

[0056] Furthermore, considering the fixing and positioning of the first boom section and the transportation of the second boom section to be assembled, the crane boom wire rope assembly equipment provided in this embodiment also includes a supporting device and an assembly trolley.

[0057] The support device is arranged on the foundation and between the two rope tensioning devices 100. The support device is used to support the first boom section, and the length direction of the supported first boom section is parallel to the second horizontal direction X. The support device can also position and fix the first boom section to avoid displacement and rotation when assembling the second boom section, which affects the assembly quality and efficiency, and is safer and more reliable. The assembly trolley is arranged at one end of the support device and is used to transport the second boom section to be assembled along the second horizontal direction X.

[0058] Therefore, a rope tensioning device 100 is provided on both sides of the support device along the second horizontal direction X, and the two rope tensioning devices 100 are arranged in alignment to achieve synchronous tensioning of the two groups of steel wire ropes on the left and right sides of the first boom section when assembling.

[0059] Please also read Figure 2 The following describes one of the two rope tensioning devices 100. The rope tensioning device 100 includes a linear drive mechanism 110 and a rope pulling mechanism 120. The rope pulling mechanism 120 is arranged at the output end of the linear drive mechanism 110 and is used to connect the rope end of the steel wire rope to be assembled. The linear drive mechanism 110 is used to drive the rope pulling mechanism 120 to move along the second horizontal direction X.

[0060] It can be understood that the crane boom wire rope assembly equipment provided in this embodiment supports the first boom section through the support device, and the assembly trolley transports the second boom section. At the same time, the rope tensioning device 100 is arranged on both sides of the support device to synchronously pull the wire ropes on both sides. When assembling the wire rope, the rope head of the wire rope is connected to the rope tensioning mechanism 120, and then the linear drive mechanism 110 drives the rope tensioning mechanism 120 to drive the wire rope to move along the first direction. During the assembly process of the first boom section and the second boom section, the rope tensioning device 100 pulls the wire rope to ensure that the wire rope is always in a tensioned state.

[0061] In this way, the crane boom wire rope assembly equipment provided in this embodiment, when installing the wire rope, on the one hand, improves the installation efficiency of the wire rope, and the installation process is safer and more reliable; on the other hand, it improves the installation quality of the wire rope, avoids problems such as the wire rope being tangled and falling off the pulley, and ensures the safety of use after installation.

[0062] In order to more clearly describe the technical solution of the present application, the crane boom wire rope assembly equipment provided in this embodiment is described below.

[0063] See also Figure 1 and Figure 2 The above-mentioned rope pulling mechanism 120 includes a tensioning support 121, a tensioning cantilever 122 and a rope end fixing assembly 123. The tensioning support 121 is arranged at the output end of the linear drive mechanism 110. The tensioning cantilever 122 is arranged on the tensioning support 121 and extends along the first horizontal direction Y, wherein the first horizontal direction Y is perpendicular to the second horizontal direction X, so that the tensioning cantilever 122 can be parallel to the end face (head end or tail end) of the first arm section, which is convenient for subsequent pulling of the wire rope. The rope end fixing assembly 123 is arranged on the tensioning cantilever 122 and is used for detachably connecting with the rope end of the wire rope. In this way, the linear drive mechanism 110 can drive the tensioning cantilever 122 and the rope end fixing assembly 123 to move synchronously along the second horizontal direction X by driving the tensioning support 121 to move, thereby realizing the pulling of the wire rope and keeping the wire rope in a tensioned state.

[0064] Furthermore, the rope end fixing assembly 123 includes a fixing frame 1230 and a fixing pin 1231. The fixing frame 1230 is arranged on the tensioning cantilever 122, and a receiving hole 1232 is formed between the fixing frame 1230 and the tensioning cantilever 122 for the rope end of the wire rope to pass through. One end of the fixing pin 1231 is a limiting end, and the other end passes through the fixing frame 1230 and the receiving hole 1232 in sequence to be detachably connected with the tensioning cantilever 122. Among them, a pin hole for the fixing pin 1231 to pass through is provided on the rope end of the wire rope. In this way, when it is necessary to connect the rope end of the wire rope with the rope end fixing assembly 123, the fixing pin 1231 is first pulled out, and then the rope end of the wire rope is placed in the receiving hole 1232, and then the fixing pin 1231 is sequentially inserted into the rope end of the wire rope to achieve a detachable connection. When the steel wire rope needs to be removed, it is only necessary to unplug the fixing pin 1231 and take out the rope end of the steel wire rope.

[0065] In this embodiment, the tensioning cantilever 122 is rotatably disposed on the tensioning support 121, for example, the tensioning cantilever 122 can be rotated from 0° to 90° in the horizontal plane. It is defined that when it is at the 0° position, the tensioning cantilever 122 is located in the first horizontal direction Y, and when it is at the 90° position, the tensioning cantilever 122 is located in the second horizontal direction X.

[0066] The rope pulling mechanism 120 further includes a rotation limiting plate 124 , which is disposed on the tensioning support 121 and is used to limit the rotation of the tensioning cantilever 122 relative to the tensioning support 121 .

[0067] Specifically, the rotation limiting plate 124 is detachably disposed on the tensioning support 121 ; the tensioning cantilever 122 is provided with a limiting protrusion 1220 , which is used to abut and cooperate with the rotation limiting plate 124 , so as to limit the rotation of the tensioning cantilever 122 .

[0068] Please also read Figure 3 The linear drive mechanism 110 includes a linear sliding assembly 111, a slide 112 and a driving assembly 113. The linear sliding assembly 111 includes a base 1110 and a slide rail 1111 disposed on the base 1110, and both ends of the slide rail 1111 extend along the second horizontal direction X. The slide 112 is slidably disposed on the slide rail 1111, and a pull rope mechanism 120 is disposed on the slide 112, that is, a fixing frame 1230 of the pull rope mechanism 120 is installed on the slide 112. The driving assembly 113 is disposed on the base 1110 and connected to the slide 112, and is used to drive the slide 112 to slide along the slide rail 1111.

[0069] The driving assembly 113 includes a driving seat 1130, a power output module 1131 and a mechanical transmission module 1132. The driving seat 1130 is connected to the base 1110; the power output module 1131 is arranged on the driving seat 1130; the mechanical transmission module 1132 is connected to the power output module 1131, and the slide 112 is connected to the mechanical transmission module 1132. The power output module 1131 is used to drive the mechanical transmission module 1132 to drive the slide 112 to slide along the slide rail 1111.

[0070] Optionally, the mechanical transmission module 1132 is a sprocket chain structure, or the mechanical transmission module 1132 is a pulley belt structure, or the mechanical transmission module 1132 is a screw nut seat structure.

[0071] Please also read Figure 4 and Figure 5In this embodiment, a sprocket chain structure is used as an example for explanation. Among them, the mechanical transmission module 1132 includes a sprocket mounting seat 1133, a driving sprocket 1134, a driven sprocket 1135 and a chain. The sprocket mounting seat 1133 is arranged at one end of the base 1110, and the power output module 1131 is arranged on the sprocket mounting seat 1133, and can be optionally an electric motor or a hydraulic motor. The driving sprocket 1134 is rotatably arranged on the sprocket mounting seat 1133 through a driving shaft 1136, and the driving shaft 1136 is connected to the power output module 1131 by transmission, for example, by gear transmission connection, by sprocket transmission connection or by pulley transmission connection. The driven sprocket 1135 is rotatably arranged at the other end of the base 1110 along the second horizontal direction X through the driven shaft 1137. The chain is inserted into the driving sprocket 1134 and the driven sprocket 1135, and the chain is fixedly connected to the slide 112, so that the chain drives the slide 112 to move along the slide rail 1111 during operation.

[0072] See also Figure 5 Furthermore, the mechanical transmission module 1132 also includes a tensioning assembly 114, which is arranged at one end of the base 1110 close to the driven sprocket 1135 and is used to tension the chain to prevent the chain from being loosened. The tensioning assembly 114 includes a tensioning seat 1140 and a bearing seat 1141. The tensioning seat 1140 is connected to the base 1110. A receiving space for accommodating the driven sprocket 1135 is formed in the middle of the tensioning seat 1140, and two side walls of the receiving space are provided with long holes 1142 along the first horizontal direction. Removable bearing seats 1141 are provided on both sides of the tensioning seat 1140, and the two ends of the driven shaft 1137 pass through the corresponding long holes 1142 and cooperate with the bearings in the bearing seat 1141. In this way, the tensioning adjustment of the chain can be achieved by adjusting the installation position of the bearing seat 1141 along the length direction of the long hole 1142.

[0073] It is understandable that the above description of the tensioning assembly 114 is also applicable to the mechanical transmission module 1132 of the pulley-belt structure.

[0074] In some embodiments, the driving component 113 may directly adopt a linear motor.

[0075] See also Figures 1 to 5 Furthermore, this embodiment also provides a crane boom wire rope assembly method. The crane boom wire rope assembly method is applied to the crane boom wire rope assembly device provided above.

[0076] The crane boom wire rope assembly method includes the following steps:

[0077] S100: placing a first arm section between two rope tensioning devices 100 and preparing two sets of steel wire ropes to be installed.

[0078] S200: Drive the rope-pulling mechanism 120 on both sides of the first arm section to move to the tail end of the first arm section, and then arrange a group of steel wire ropes on both sides of the first arm section, and fix the rope ends of the steel wire ropes on the rope-pulling mechanism 120; before the operation, turn the tensioning cantilever 122 to the 0° position and lock it to facilitate the subsequent traction and tensioning of the steel wire ropes.

[0079] S300: Assemble the second arm section into the first arm section and install the wire rope on the second arm section, the second arm section brings the wire rope into the first arm section, and at the same time start the rope tensioning device 100, tighten the wire rope through the rope pulling mechanism 120 until the second arm section is assembled in place, stop the rope tensioning device 100, remove the rope end of the wire rope and install it to the tail of the first arm section.

[0080] Specifically, the above step S300 includes the following steps:

[0081] S310: The second boom section is transported to the head end of the first boom section by means of an assembly trolley, and the steel wire rope is then installed in the corresponding ear plates on both sides of the tail of the second boom section, the upper end is fixed on a special rope support frame, and the lower end is tied and fixed to the lower side of the tail of the second boom section.

[0082] S320: Start the assembly trolley and install the second boom section into the first boom section. When the rope support frame contacts the head of the first boom section, stop the assembly trolley, remove the rope support frame, and put the wire rope into the pulley at the head of the first boom section. The inner and outer order of the wire rope on the pulley must be consistent with the connection at the tail of the second boom section.

[0083] S330: Start the rope tensioning device 100, and the rope pulling mechanism 120 drives the steel wire rope to slide toward the tail of the first arm section, so that the steel wire rope fits tightly in the pulley groove located at the head of the first arm section.

[0084] S340: Start the assembly trolley again, and continue to load the second arm section into the first arm section. The steel wire rope rolls with the pulley and moves toward the head of the first arm section. The pull rope tensioning device 100 is started synchronously, and the pull rope mechanism 120 drives the steel wire rope to move toward the head of the first arm section. The moving speed of the pull rope mechanism 120 is lower than the moving speed of the assembly trolley. It can be understood that during the assembly process, the thrust of the assembly trolley driving the second arm section to move is greater than the pulling force of the stretching mechanism 120 on the steel wire rope. The stretching mechanism 120 provides reverse tensioning force while following the movement, thus ensuring that the steel wire rope is always in a tensioned state.

[0085] S350: After the second arm section is assembled in place and the steel wire rope is also assembled in place, the rope tensioning device 100 and the assembly trolley are stopped, and the rope head of the steel wire rope is removed and installed at the tail of the first arm section. After the assembly is completed, the tensioning cantilever 122 is swung to the 90° position, and other workpieces are assembled to prevent the tensioning cantilever 122 from interfering with the subsequent assembly.

[0086] Compared with the prior art, the crane boom wire rope assembly equipment and assembly method provided in this embodiment also has the following advantages:

[0087] Changing the traditional manual operation of wire rope assembly in the truck crane industry, greatly reducing the operator's work intensity and improving the efficiency of wire rope assembly;

[0088] During the wire rope assembly process, the technical solution of this embodiment can ensure that the wire rope is always kept taut by outputting reverse tensioning force. Compared with the prior art which uses manual pulling and the friction provided by the rope head of the wire rope contacting the ground to tension, the tensioning quality of the wire rope is higher, which greatly reduces the quality failures of the wire rope being twisted and falling off the pulley, and improves the assembly quality of the wire rope;

[0089] During the assembly process of the first boom section and the second boom section, the technical solution of this embodiment can control the linear drive mechanism 110 to output different wire rope tensioning forces to meet the needs of different products. Compared with the current practice of only relying on the friction of the rope head contacting the ground or manual pulling to ensure tensioning, it is more accurate and improves the assembly quality of the wire rope.

[0090] In the technical solution of this embodiment, the steel wire ropes on the left and right sides of the first boom section can be tensioned synchronously, which is more efficient than the current manual tensioning of one side by one side by the operator; at the same time, the equipment in this solution can synchronously and stably output tensioning force to the steel wire ropes on both sides, ensuring that the tension of the steel wire ropes on the left and right sides is consistent;

[0091] In the technical solution of this embodiment, the tensioning process of the wire rope assembly operation is automatically completed by the equipment, and there is no need for the operator to pull it manually or walk back and forth, thus avoiding the safety hazard of falling into the pit at the work station during the manual operation.

[0092] It should be noted that in the present application, unless otherwise specified, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like used to indicate 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 application and simplifying the description, and do not indicate or imply that the referred device or element 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 application.

[0093] In the description of the present application, it should be understood that 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0094] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0095] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0096] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A crane boom wire rope assembly device, characterized in that: It comprises two rope tensioning devices (100) arranged in a symmetrical manner along a first horizontal direction (Y), a space for accommodating a first arm section is formed between the two rope tensioning devices (100), and the rope tensioning device (100) comprises a linear drive mechanism (110) and a rope pulling mechanism (120); The rope pulling mechanism (120) comprises a tensioning support (121), a tensioning cantilever (122) and a rope end fixing assembly (123), wherein the tensioning support (121) is arranged at the output end of the linear drive mechanism (110), the tensioning cantilever (122) is arranged on the tensioning support (121), and the rope end fixing assembly (123) is arranged on the tensioning cantilever (122) and is used to connect the rope end of the steel wire rope to be installed on the first arm section; The linear drive mechanism (110) is used to drive the rope pulling mechanism (120) to move along a second horizontal direction (X), and the first horizontal direction (Y) is perpendicular to the second horizontal direction (X).

2. The crane boom wire rope assembly equipment according to claim 1, characterized in that: The rope end fixing assembly (123) comprises: A fixing frame (1230) is arranged on the tensioning cantilever (122), and a receiving hole (1232) for the rope end of the steel wire rope to pass through is formed between the fixing frame (1230) and the tensioning cantilever (122); A fixing pin (1231) has one end as a limiting end and the other end passes through the fixing frame (1230) and the accommodating hole (1232) in sequence to be detachably connected to the tensioning cantilever (122); a pin hole for the fixing pin (1231) to pass through is provided on the rope head of the steel wire rope.

3. The crane boom wire rope assembly equipment according to claim 1, characterized in that: The tensioning cantilever (122) is rotatably arranged on the tensioning support (121); The rope pulling mechanism (120) further comprises a rotation limiting plate (124), wherein the rotation limiting plate (124) is arranged on the tensioning support (121) and is used to limit the rotation of the tensioning cantilever (122) relative to the tensioning support (121).

4. The crane boom wire rope assembly equipment according to claim 3, characterized in that: The rotation limiting plate (124) is detachably arranged on the tensioning support (121); The tensioning cantilever (122) is provided with a limiting protrusion (1220), and the limiting protrusion (1220) is used to abut and cooperate with the rotation limiting plate (124).

5. The crane boom wire rope assembly equipment according to claim 1, characterized in that: The linear drive mechanism (110) comprises: A linear sliding assembly (111), comprising a base (1110) and a slide rail (1111) disposed on the base (1110), wherein both ends of the slide rail (1111) extend along the second horizontal direction (X); A slide seat (112) is slidably disposed on the slide rail (1111), and the pull rope mechanism (120) is disposed on the slide seat (112); and A driving assembly (113) is disposed on the base (1110) and connected to the slide seat (112), and is used for driving the slide seat (112) to slide along the slide rail (1111).

6. The crane boom wire rope assembly equipment according to claim 5, characterized in that: The driving assembly (113) comprises: A driving seat (1130) connected to the base (1110); A power output module (1131) is disposed on the driving seat (1130); and A mechanical transmission module (1132), the mechanical transmission module (1132) is in transmission connection with the power output module (1131), and the slide seat (112) is connected with the mechanical transmission module (1132); The power output module (1131) is used to drive the mechanical transmission module (1132) to drive the slide seat (112) to slide along the slide rail (1111).

7. The crane boom wire rope assembly equipment according to claim 6, characterized in that: The mechanical transmission module (1132) is a sprocket chain structure, or the mechanical transmission module (1132) is a pulley belt structure, or the mechanical transmission module (1132) is a screw nut seat structure.

8. The crane boom wire rope assembly equipment according to any one of claims 1 to 6, characterized in that: The crane boom wire rope assembly equipment further comprises: a supporting device, arranged between the two pull rope tensioning devices (100), for supporting the first boom section; and An assembly trolley is arranged at one end of the supporting device and is used for conveying the second boom section to be assembled along the second horizontal direction (X).

9. A method for assembling a crane boom wire rope, characterized in that: Applicable to the crane boom wire rope assembly equipment according to any one of claims 1 to 8, the crane boom wire rope assembly method comprises: S100: placing the first arm section between the two rope tensioning devices (100) and preparing two sets of steel wire ropes to be installed; S200: driving the rope pulling mechanisms (120) on both sides of the first arm section to move to the tail end of the first arm section, and then arranging a group of steel wire ropes on both sides of the first arm section, and fixing the rope ends of the steel wire ropes on the rope pulling mechanisms (120); S300: Assemble the second arm section into the first arm section and install the steel wire rope on the second arm section, and bring the steel wire rope into the first arm section by the second arm section, and simultaneously start the rope tensioning device (100), tighten the steel wire rope through the rope pulling mechanism (120) until the second arm section is assembled in place, stop the rope tensioning device (100), remove the rope end of the steel wire rope and install it to the tail of the first arm section.

10. The crane boom wire rope assembly method according to claim 9, characterized in that: The step S300 includes: S310: transporting the second boom section to the head end of the first boom section by means of an assembly trolley, and then installing the steel wire rope in the corresponding ear plates on both sides of the tail of the second boom section, fixing the upper end on a dedicated rope support frame, and tying and fixing the lower end on the lower side of the tail of the second boom section; S320: Start the assembly trolley, install the second boom section into the first boom section, stop the assembly trolley when the rope support frame contacts the head of the first boom section, remove the rope support frame, and put the steel wire rope into the pulley at the head of the first boom section. The order of the steel wire rope inside and outside the pulley must be consistent with that of the second boom section at the end. S330: starting the rope tensioning device (100), the rope pulling mechanism (120) drives the steel wire rope to slide toward the tail of the first arm section, so that the steel wire rope fits tightly in the pulley groove located at the head of the first arm section; S340: starting the assembly trolley again, and continuing to load the second arm section into the first arm section. The steel wire rope rolls with the pulley and moves toward the head of the first arm section. The rope tensioning device (100) is started synchronously. The rope pulling mechanism (120) drives the steel wire rope to move toward the head of the first arm section. The moving speed of the rope pulling mechanism (120) is less than the moving speed of the assembly trolley. S350: After the second boom section is assembled in place and the steel wire rope is also assembled in place, the operation of the rope tensioning device (100) and the assembly trolley is stopped, and the rope head of the steel wire rope is removed and installed at the tail of the first boom section.

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