Welding and fixing equipment for lifting arm of sliding type loader

Abstract

The invention discloses sliding type loader lifting arm welding and fixing equipment, and relates to the technical field of loader movable arm welding machining. The fixing equipment comprises a fixing mechanism used for fixing a movable arm side plate and a connecting pipe. The fixing mechanism comprises a base assembly and a supporting structure A arranged on the base assembly and used for supporting and fixing the connecting pipe. The two sides of the base assembly are each provided with a plurality of supporting structures B used for supporting and fixing a movable arm side plate. The supporting structure A used for supporting and fixing the connecting pipe is arranged on the fixing mechanism; and the supporting structures B are used for supporting and fixing the movable arm side plates, so that the connecting pipe and the movable arm side plates are conveniently fixed before welding during use, the two ends of the connecting pipe are controlled to abut against the inner side walls of the movable arm side plates correspondingly, and then follow-up welding is facilitated.

Description

Technical Field

[0001] The invention belongs to the technical field of welding processing of loader booms, and in particular relates to a welding and fixing device for a lifting arm of a skid loader. Background Art

[0002] A loader is an earth-moving construction machine widely used in construction projects such as roads, railways, buildings, hydropower, ports, and mines. It is mainly used for shoveling loose materials such as soil, sand, lime, and coal. It can also perform light shoveling and excavation of ore, hard soil, etc. By replacing different auxiliary working devices, it can also perform bulldozing, lifting, and loading and unloading of other materials such as wood. During the production process of the loader, its rear frame needs to be welded.

[0003] For example, application No. 202410721471.5 discloses a clamping tool, including a clamping body, which is equipped with a bucket end positioning station, a first clamping station, a second clamping station, a rocker seat beam positioning station, a third clamping station and a frame end positioning station from left to right; the bucket end positioning station includes a symmetrically arranged bucket end positioning seat, the height of which is adjustable up and down, and is used to adjust the height of the bucket end hinge hole of the first boom side plate assembly and the second boom side plate assembly connected thereto. It is inconvenient to take the boom side plate and the connecting pipe before welding, place them in the corresponding position, fix them, and then weld them. Summary of the invention

[0004] The object of the present invention is to provide a skid loader lifting arm welding and fixing equipment, which solves the problems raised by the existing background technology by arranging a support structure A for supporting and fixing a connecting pipe on the fixing mechanism; and a plurality of support structures B for supporting and fixing the boom side plates.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a welding and fixing device for a lifting arm of a skid loader, which is used to weld the lifting arm of the loader when in use; the lifting arm comprises two symmetrical and gap-arranged boom side plates, and a connecting pipe is connected between the two boom side plates, and the two ends of the connecting pipe are respectively welded to the boom side plates at the two ends thereof; the fixing device comprises a fixing mechanism for fixing the boom side plates and the connecting pipe; the fixing mechanism comprises a base assembly, and a supporting structure A is arranged on the base assembly for supporting and fixing the connecting pipe; a plurality of supporting structures B for supporting and fixing the boom side plates are arranged on both sides of the base assembly.

[0007] Furthermore, the base assembly includes a base plate A, and two parallel slide grooves are arranged on the upper surface of the base plate A; two base plates B are arranged on the upper surface of the base plate A, and the bottom side surface of the base plate B is connected to a connecting block, and the bottom end of the connecting block is connected to an electric slider A located in the slide groove.

[0008] Furthermore, the number of the supporting structures A is two, and the two supporting structures A are respectively fixed on the upper surfaces of the two bottom plates B; the supporting structure A includes a fixed block fixed on the upper surface of the bottom plate B, a column sleeve is arranged on the top of the fixing block, a column body is arranged in the column sleeve, a horizontal fixing sleeve is arranged on the top of the column body, a double-headed cylinder is horizontally arranged in the middle of the fixing sleeve, and the two output ends of the double-headed cylinder are respectively connected to a movable rod A that slides along the inner wall of the fixing sleeve; a horizontal through hole is arranged on the fixing block, and movable rods B are respectively arranged at both ends of the through hole, a vertical rod is integrally formed at the end of the movable rod B, and a splint is arranged at the end of the vertical rod; a T-shaped guide slider is provided at the end of the movable rod A, and a guide groove that cooperates with the T-shaped guide slider is provided on the inner side wall of the vertical rod in the vertical direction.

[0009] Further, at least two supporting structures B are arranged along the length direction of the upper surface edge side of any of the base plates B; the supporting structure B comprises a cylinder fixed on the upper surface of the base plate B, the bottom side surface of the cylinder drives a movable column moving up and down along the inner wall of the cylinder through a telescopic cylinder A, and a clamping module A for clamping the boom side plate is arranged on the top of the movable column; the clamping module A comprises a base plate arranged on the top of the movable column, protrusions A protruding upward are arranged on both sides of the base plate, a protrusion B protruding from the inner side of the protrusion A is arranged on the top of the protrusion A, and an inclined surface inclined inward is arranged at the end of the protrusion B; an installation cavity is arranged on the inner side wall of the protrusion A, a clamping cylinder A is arranged in the installation cavity, and a clamping block A is arranged at the end of the clamping cylinder A; an installation bin is arranged on one side wall of the top of the cylinder, a clamping cylinder B is arranged in the installation bin, and a clamping block B is arranged at the end of the clamping cylinder B; a friction surface A is arranged on the side of the movable column close to the clamping block B, and a friction surface B is arranged on one side of the clamping block B.

[0010] Furthermore, a boom side plate loading mechanism is respectively provided on both sides of the fixing mechanism; a lifting arm unloading mechanism and a connecting pipe loading mechanism are respectively provided at both ends of the fixing mechanism; the fixing mechanism also includes a pair of guide rails A arranged on the mounting surface, and the bottom plate A is provided with an electric guide rail slide A sliding along the guide rail A; and also includes a controller, which connects the boom side plate loading mechanism, the fixing mechanism, the lifting arm unloading mechanism and the connecting pipe loading mechanism.

[0011] Furthermore, the boom side plate loading mechanism includes a storage structure A for storing the boom side plates; the storage structure A includes a pair of guide rails B installed on the mounting surface through pillars, and any of the guide rails B is provided with at least two electric guide rail slides B, and the electric guide rail slides B are provided with a support frame, and two guardrails are provided on both sides of the upper surface of the support frame, and a support beam A supported on one side of the boom side plate is connected between the two guardrails; a connecting beam is connected between the two guide rails B, and a limiting frame is provided on the connecting beam, which passes through the support frame and rests on one side of a boom side plate; a plurality of lifting cylinders are provided on the upper surface of the connecting beam on one side of the limiting frame, and the top of the lifting cylinder is connected to a top block.

[0012] Furthermore, the boom side plate loading mechanism also includes a grabbing moving structure A, which includes a pair of guide rails C arranged above the storage structure A, and the guide rails C are cooperated with an electric guide rail slide C; the two electric guide rail slides C are connected to a moving beam, and a plurality of telescopic cylinders B are arranged on the bottom side of the moving beam, and the end of the telescopic cylinder B is connected to a clamping module B with the same structure as the clamping module A.

[0013] Furthermore, the connecting pipe feeding mechanism includes a storage structure B for storing connecting pipes; the storage structure B includes four columns fixed on the mounting surface and distributed in a rectangular shape, and the four columns are cooperatively connected to a guide rail D located at a first height and a guide rail E located at a second height; at least two electric guide rail slides D are cooperatively arranged on any of the guide rails D, and a storage rack A is cooperatively arranged on the electric guide rail slide D; at least two electric guide rail slides E are cooperatively arranged on any of the guide rails E, and a storage rack B is cooperatively arranged on the electric guide rail slide E; the storage rack A and the storage rack B have the same structure, and the storage rack A includes a pair of parallel support beams B, and support side plates A are respectively arranged at both ends of the two support beams B, and a number of support plates are connected between the two support side plates A; the support plates include a number of C-shaped plates connected in sequence, and connecting plates arranged at both ends; the electric guide rail slides D and the electric guide rail slides E are both cooperatively installed on the support beams B.

[0014] Furthermore, the connecting tube feeding mechanism also includes a grabbing and moving structure B, which includes a pair of guide rails F arranged above the storage structure B, and the guide rails F are cooperated with an electric guide rail slide F; the two electric guide rail slides F are connected with a transverse connecting beam, and the bottom side surface of the transverse connecting beam is provided with a guide rail H along its length direction, and the two ends of the guide rail H are respectively cooperated with an electric guide rail slide H, and the electric guide rail slide H is provided with a telescopic cylinder C that can be extended and retracted in the vertical direction, and a mounting block is provided at the end of the telescopic cylinder C, and one side of the mounting block is connected to a support rod A extending into the connecting tube.

[0015] Furthermore, the lifting arm unloading mechanism includes a pair of symmetrically arranged unloading structures, the unloading structure includes a movable plate connected by a plurality of lifting cylinders, a side baffle is arranged on one side of the movable plate; a plurality of telescopic cylinders D are arranged on one side wall of the side baffle along its length direction, the output end of the telescopic cylinder D is connected to a circular plate, and a support rod B is fixed to one side wall of the circular plate.

[0016] The present invention has the following beneficial effects:

[0017] The present invention provides a supporting structure A for supporting and fixing the connecting pipe on the fixing mechanism; and a plurality of supporting structures B for supporting and fixing the boom side plates, so that when in use, it is convenient to fix the connecting pipe and the boom side plates before welding, and control the two ends of the connecting pipe to respectively abut against the inner wall of the boom side plates, thereby facilitating subsequent welding.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the welding fixture of the present invention;

[0021] Figure 2 It is a partial structural schematic diagram of the welding fixture of the present invention;

[0022] Figure 3 It is a schematic diagram of the coordination structure of the fixing mechanism and the arm side plate feeding mechanism of the present invention;

[0023] Figure 4 for Figure 3 The main view;

[0024] Figure 5 This is a schematic diagram of the coordination structure of the bottom plate B and the supporting structure B of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the support structure B of the present invention;

[0026] Figure 7 for Figure 6 A partial enlarged view of the middle part;

[0027] Figure 8 This is a schematic diagram of the structure of the support structure A of the present invention;

[0028] Fig. 9 This is a schematic diagram of the storage structure A of the present invention;

[0029] Fig.10 for Fig. 9 The main view;

[0030] Fig.11 This is a schematic diagram of the structure of the connecting pipe feeding mechanism of the present invention;

[0031] Fig.12 This is a schematic diagram of the support plate structure of the present invention;

[0032] Fig.13 It is a schematic structural diagram of the lifting arm unloading mechanism of the present invention. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0035] See also Figure 3-4 As shown, the present invention is a skid loader lifting arm welding and fixing equipment, which is used to weld the loader lifting arm when in use; at the same time, the lifting arm to be welded by the present invention includes two symmetrical and gap-arranged boom side plates 100, and a connecting pipe 200 is welded and connected between the two boom side plates 100, and the two ends of the connecting pipe 200 are respectively welded to the side walls of the boom side plates 100 located at the two ends thereof.

[0036] When in use, since the boom side plate 100 and the connecting pipe 200 are heavy, it is necessary to support and fix the boom side plate 100 and the connecting pipe 200 during welding, and to perform welding during use; that is, the fixing equipment provided by the present invention includes a fixing mechanism 1 for supporting and fixing the boom side plate 100 and the connecting pipe 200, and the fixing mechanism 1 includes a base assembly, and a supporting structure A14 on the base assembly for supporting and fixing the connecting pipe 200, and a plurality of supporting structures B13 for supporting and fixing the boom side plate 100 are arranged on both sides of the base assembly.

[0037] Specifically, Figure 3-4 The base assembly provided by the present invention includes a base plate A11, two base plates B12 are arranged on the upper surface of the base plate A11, and two parallel slide grooves 111 are arranged on the upper surface of the base plate A11, and an electric slider A is arranged in the slide groove 111, and the top of the electric slider A is connected to the bottom side of the base plate B12 through a connecting block 121; and then when in use, the two base plates B12 are controlled to be in the maximum distance state, and then the boom side plate 100 is placed on the supporting structure B13 for support and fixation, and at the same time, the connecting pipe 200 is placed on the connecting pipe 200 for support; then the two base plates B12 are controlled to approach each other under the action of the electric slider A, until the two ends of the connecting pipe 200 are respectively against the inner walls of the two boom side plates 100, and at this time, the supporting structure A14 is controlled to fix the connecting pipe 200 placed thereon.

[0038] In a possible implementation, the present invention provides two supporting structures A14, and the two supporting structures A14 are respectively fixed on the upper surfaces of the two bottom plates B12.

[0039] Specifically, Figure 8 In order to facilitate the support and fixation of the connecting pipe 200 during use, the provided support structure A14 includes a fixed block 140 fixed on the upper surface of the bottom plate B12, a column sleeve 141 is arranged on the top of the fixed block 140, a column body 142 is arranged in the column sleeve 141, a horizontal fixed sleeve 143 is arranged on the top of the column body 142, a double-headed cylinder is arranged horizontally in the middle of the fixed sleeve 143, and the two output ends of the double-headed cylinder are respectively connected to a movable rod A144 sliding along the inner wall of the fixed sleeve 143; a horizontal through hole 1401 is arranged on the fixed block 140, and movable rods B145 are respectively arranged at both ends of the through hole 1401, and the movable rod B145 is arranged on the top of the fixed block 140. A vertical rod 146 is integrally formed at the end of 145, and a clamping plate 147 is arranged at the end of the vertical rod 146; a T-shaped guide slider is provided at the end of the movable rod A144, and a guide groove cooperating with the T-shaped guide slider is provided on the inner wall of the vertical rod 146 in the vertical direction; in the early stage of use, the double-headed cylinder is controlled to extend, and at this time the two clamping plates 147 are at the maximum distance, so it is convenient to put the connecting pipe 200 from the gap between the two clamping plates 147 into the top of the fixing sleeve 143; when the connecting pipe 200 is placed and supported to the top of the fixing sleeve 143, the double-headed cylinder is controlled to contract, so that it is convenient to use the two clamping plates 147 to clamp and fix the connecting pipe 200 located between the two.

[0040] In the above, the cooperation between the through hole 1401 and the movable rod B145, as well as the cooperation between the T-shaped guide slider and the guide groove, is utilized to facilitate the control of the two vertical rods 146 to move stably under the driving action of the double-headed cylinder.

[0041] In a possible implementation, in order to facilitate the fixation of the two boom side plates 100 to be welded at both ends of the connecting pipe 200 during use, as shown in FIG. Figure 5 The present invention provides four support structures B13 on the upper edge sides of the two bottom plates B12; Figure 6-7 The supporting structure B13 includes a cylinder 130 fixed on the upper surface of the bottom plate B12. The bottom side of the cylinder 130 drives a movable column 131 that moves up and down along the inner wall of the cylinder 130 through a telescopic cylinder A132. The top of the movable column 131 is provided with a clamping module A for clamping the boom side plate 100; the clamping module A includes a base plate 134 arranged on the top of the movable column 131. Both sides of the base plate 134 are provided with protruding parts A135 protruding upward. The top of the protruding part A135 is provided with a protruding part B136 protruding from the inner side of the protruding part A135. An inclined surface 1361 inclined inward is provided at the end of the protrusion B136; an installation cavity 1351 is provided on the inner wall of the protrusion A135, a clamping cylinder A1352 is provided in the installation cavity 1351, and a clamping block A1353 is provided at the end of the clamping cylinder A1352; the setting of the inclined surface 1361 is utilized to facilitate placing the boom side plate 100 on the upper surface of the substrate 134; when the boom side plate 100 is placed on the upper surface of the substrate 134, the clamping cylinder A1352 is controlled to extend, and at this time, the clamping block A1353 can be used to clamp and fix the boom side plate 100.

[0042] At the same time, in order to maintain the relative stability of the movable column 131 and the cylinder 130 after the telescopic cylinder A132 is controlled to be extended, the present invention is provided with an installation bin 133 on the top side wall of the cylinder 130, and the installation bin 133 is provided with a clamping cylinder B1331, and a clamping block B1332 is provided at the end of the clamping cylinder B1331; a friction surface A is provided on the side of the movable column 131 close to the clamping block B1332, and a friction surface B is provided on one side of the clamping block B1332, that is, after the telescopic cylinder A132 is controlled to complete the corresponding extension and contraction, the clamping cylinder B1331 is controlled to be extended, and the friction surface B and the friction surface A are used to cooperate to form a damping structure, thereby facilitating the control of the relative stability of the movable column 131 and the cylinder 130.

[0043] It is known that in order to facilitate automated or semi-automated welding operations, such as Figure 1-2 In the specific device layout, a boom side plate loading mechanism 2 is respectively arranged on both sides of the fixing mechanism 1; a lifting arm unloading mechanism 4 and a connecting pipe loading mechanism 3 are respectively arranged at both ends of the fixing mechanism 1; at the same time, the fixing mechanism 1 also includes a pair of guide rails A10 arranged on the mounting surface, and the bottom plate A11 is provided with an electric guide rail slide A112 sliding along the guide rail A10; and also includes a controller, which connects the boom side plate loading mechanism 2, the fixing mechanism 1, the lifting arm unloading mechanism 4 and the connecting pipe loading mechanism 3.

[0044] Based on the above, when in use, the connecting boom side plate loading mechanism 2 is controlled to place the boom side plate 100 on the four supporting structures B13, and the connecting pipe loading mechanism 3 is simultaneously used to place the connecting pipe 200 on the two supporting structures A14; the two base plates B12 are controlled to approach each other under the action of the electric slider A. After welding is completed, the fixing mechanism 1 is controlled to slide along the guide rail A10 on the electric guide rail slide A112 to move to the lifting arm unloading mechanism 4. After the unloading is completed using the lifting arm unloading mechanism 4, the fixing mechanism 1 is controlled to restore to its initial state.

[0045] In order to facilitate unloading with the support structure B13, Fig.13 The lifting arm unloading mechanism 4 provided in the technical solution includes a pair of symmetrically arranged unloading structures, and the two unloading structures are respectively arranged on both sides of the fixing mechanism 1; and the unloading structure includes a movable plate 42 connected by a plurality of lifting cylinders 41, and a side baffle 43 is arranged on one side of the movable plate 42; a side wall of the side baffle 43 is provided with a plurality of telescopic cylinders D44 along its length direction, and the output end of the telescopic cylinder D44 is connected to a circular plate 45, and a support rod B46 is fixed to one side wall of the circular plate 45; then, when unloading, the lifting is first controlled The cylinder 41 contracts until the fixing mechanism 1 moves between the two unloading structures. At this time, the telescopic cylinder D44 is controlled to extend first, and then the lifting cylinder 41 is controlled to extend. At this time, the support rod B46 is against the edge of one side of the boom side plate 100. It is convenient to use the support rod B46 to lift the boom side plate 100. Then, the telescopic cylinder A132 of the supporting structure B13 is controlled to contract. At this time, the fixing mechanism 1 is controlled to move between the loading mechanisms 2 of the two arm side plates, and then the telescopic cylinder A132 is controlled to extend again to return to the initial state.

[0046] In order to facilitate the loading of the boom side plate 100, the boom side plate loading mechanism 2 provided in the present application includes a storage structure A for storing the boom side plate 100, and a grabbing and moving structure A, the grabbing and moving structure A includes a pair of guide rails C201 arranged above the storage structure A, and the guide rails C201 are cooperated with an electric guide rail slide C202; the two electric guide rail slides C202 are connected to a moving beam 203, and a plurality of telescopic cylinders B are arranged on the bottom side of the moving beam 203, and the end of the telescopic cylinder B is connected to a clamping module B with the same structure as the clamping module A.

[0047] Specifically, the storage structure A includes a pair of guide rails B21 installed on the mounting surface through pillars, and at least two electric guide rail slides B22 are provided on any guide rail B21, and a support frame 23 is provided on the electric guide rail slide B22, and two guardrails 24 are provided on both sides of the upper surface of the support frame 23, and a support beam A25 supported on one side of the boom side plate 100 is connected between the two guardrails 24; a connecting beam 27 is connected between the two guide rails B21, and a limiting frame 26 is provided on the connecting beam 27, which passes through the support frame 23 and rests on one side of the boom side plate 100; a plurality of lifting cylinders 28 are provided on the upper surface of the connecting beam 27 located on one side of the limiting frame 26, and the top of the lifting cylinder 28 is connected to a top block 29.

[0048] Furthermore, in the present invention, when in use, the boom side plate 100 is Figure 9-10 It is placed on the storage structure A, with one end of the boom side plate 100 resting against the support frame 23 and the other end resting against the upper surface of the support beam A25; at the same time, when in use, the storage rack composed of the support frame 23, the support beam A25, and the guardrail 24 is controlled to move toward the side close to the limit frame 26, and the boom side plate 100 closest to the side of the limit frame 26 is pushed upward by the cooperation of the lifting cylinder 28 and the lifting block 29, and then one boom side plate 100 is lifted to its top higher than the tops of other boom side plates 100, so that it is convenient to use the clamping module B to clamp it on the top of the boom side plate 100.

[0049] In order to facilitate the connection pipe feeding operation, Fig.11 and 12 The connecting pipe feeding mechanism 3 provided by the present invention includes a storage structure B for storing the connecting pipe 200 and a grabbing and moving structure B. The grabbing and moving structure B includes a pair of guide rails F31 arranged above the storage structure B, and the guide rails F31 are matched with an electric guide rail slide F311; the two electric guide rail slides F311 are connected with a transverse connecting beam 32, and a guide rail H is arranged on the bottom side of the transverse connecting beam 32 along its length direction, and the two ends of the guide rail H are respectively matched with electric guide rail slides H321, and a telescopic cylinder C33 that can be telescoped in the vertical direction is arranged on the electric guide rail slide H321, and a mounting block 331 is arranged at the end of the telescopic cylinder C33, and one side of the mounting block 331 is connected with a connecting rod that extends into the connecting rod. The supporting rod A332 in the tube 200; when in use, the electric guide rail slide F311 is controlled to move on the guide rail F31 until the horizontal connecting beam 32 moves to the top of a connecting tube 200, and then the telescopic cylinder C33 is controlled to extend and the two electric guide rail slides H321 are synchronously controlled to move toward each other until the supporting rod A332 extends into the connecting tube 200. At this time, the telescopic cylinder C33 is controlled to contract to grab the connecting tube 200 stored on the storage structure B, and the electric guide rail slide F311 can be moved on the guide rail F31, and the two electric guide rail slides H321 are controlled to move away from each other, so as to finally realize the control to place the connecting tube 200 on the storage structure B.

[0050] In order to facilitate the storage and loading of the connecting pipe 200 in the storage structure B, and to utilize the storage structure B for welding loading and feeding, as shown in FIG. Figure 11-12 The storage structure B includes four rectangular columns 34 fixed on the mounting surface, and the four columns 34 are connected to a guide rail D35 located at a first height and a guide rail E36 located at a second height; at least two electric guide rail slides D351 are arranged on any guide rail D35, and a storage rack A is arranged on the electric guide rail slide D351; at least two electric guide rail slides E361 are arranged on any guide rail E36, and a storage rack B is arranged on the electric guide rail slide E361; the storage rack A and the storage rack B have the same structure, and the storage rack A includes a pair of parallel supporting beams B37, and supporting side plates A38 are arranged at both ends of the two supporting beams B37, and the two supporting side plates A38 are arranged respectively. A number of support plates 39 are connected between the support side plates A38; the support plates 39 include a number of C-shaped plates 391 connected in sequence, and connecting plates 392 arranged at both ends; the electric guide rail slide D351 and the electric guide rail slide E361 are both installed on the support beam B37; that is, the storage rack A and the storage rack B are arranged in the present invention, which is convenient for grabbing and placing the connecting pipe 200 stored on the storage rack A on the support structure A14 by using the grabbing and moving structure B, and then placing the new connecting pipe 200 on the storage rack B. During the above-mentioned use, the storage rack B is controlled to be located obliquely above the storage rack A, and at this time, the tops of the storage racks B and A are both in an open state.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", 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 invention. In this specification, the schematic representation 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 one or more embodiments or examples in a suitable manner.

[0052] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A skid loader lifting arm welding and fixing equipment, characterized in that: It is used to weld the loader lifting arm; The lifting arm comprises two symmetrical boom side plates (100) arranged with a gap, and a connecting pipe (200) is connected between the two boom side plates (100), and two ends of the connecting pipe (200) are respectively welded to the boom side plates (100) located at the two ends thereof; The fixing equipment comprises a fixing mechanism (1) for fixing the boom side plate (100) and the connecting pipe (200); The fixing mechanism (1) comprises a base assembly, and a supporting structure A (14) is arranged on the base assembly for supporting and fixing the connecting pipe (200); A plurality of supporting structures B (13) for supporting and fixing the boom side plates (100) are arranged on both sides of the base assembly.

2. The skid loader lifting arm welding and fixing equipment according to claim 1, characterized in that: The base assembly comprises a bottom plate A (11), and two parallel slide grooves (111) are arranged on the upper surface of the bottom plate A (11); Two bottom plates B (12) are arranged on the upper surface of the bottom plate A (11); the bottom side surface of the bottom plate B (12) is connected to a connecting block (121); and the bottom end of the connecting block (121) is connected to an electric sliding block A located in the sliding groove (111).

3. The skid loader lifting arm welding and fixing equipment according to claim 2, characterized in that: The number of the supporting structures A (14) is two, and the two supporting structures A (14) are respectively fixed on the upper surfaces of the two bottom plates B (12); The support structure A (14) comprises a fixed block (140) fixed on the upper surface of the bottom plate B (12); a column sleeve (141) is arranged on the top of the fixed block (140); a column body (142) is arranged in the column sleeve (141); a horizontal fixed sleeve (143) is arranged on the top of the column body (142); a double-headed cylinder is arranged horizontally in the middle of the fixed sleeve (143); two output ends of the double-headed cylinder are respectively connected to a movable rod A (144) sliding along the inner wall of the fixed sleeve (143); The fixing block (140) is provided with a horizontal through hole (1401), and movable rods B (145) are respectively provided at both ends of the through hole (1401), and the ends of the movable rod B (145) are integrally formed with vertical rods (146), and the ends of the vertical rods (146) are provided with clamping plates (147); A T-shaped guide slide block is provided at the end of the movable rod A (144), and a guide groove cooperating with the T-shaped guide slide block is provided on the inner side wall of the vertical rod (146) along the vertical direction.

4. The skid loader lifting arm welding and fixing equipment according to claim 2, characterized in that: At least two supporting structures B (13) are provided on the edge side of the upper surface of any of the bottom plates B (12) along its length direction; The support structure B (13) comprises a cylinder (130) fixed on the upper surface of the base plate B (12); the bottom side surface of the cylinder (130) drives a movable column (131) that moves up and down along the inner wall of the cylinder (130) through a telescopic cylinder A (132); the top of the movable column (131) is provided with a clamping module A for clamping the boom side plate (100); The clamping module A comprises a base plate (134) arranged on the top of the movable column (131), protrusions A (135) protruding upward are arranged on both sides of the base plate (134), a protrusion B (136) protruding from the inside of the protrusion A (135) is arranged on the top of the protrusion A (135), and an inclined surface (1361) inclined inwardly is arranged at the end of the protrusion B (136); An installation cavity (1351) is arranged on the inner side wall of the protruding portion A (135), a clamping cylinder A (1352) is arranged in the installation cavity (1351), and a clamping block A (1353) is arranged at the end of the clamping cylinder A (1352); A mounting chamber (133) is provided on one side wall of the top of the cylinder (130), the mounting chamber (133) is provided with a clamping cylinder B (1331), and a clamping block B (1332) is provided at the end of the clamping cylinder B (1331); A friction surface A is provided on one side of the movable column (131) close to the clamping block B (1332), and a friction surface B is provided on one side of the clamping block B (1332).

5. The skid loader lifting arm welding and fixing equipment according to claim 4, characterized in that: A boom side plate loading mechanism (2) is provided on both sides of the fixing mechanism (1); a lifting arm unloading mechanism (4) and a connecting pipe loading mechanism (3) are provided on both ends of the fixing mechanism (1); The fixing mechanism (1) further comprises a pair of guide rails A (10) arranged on the mounting surface, and the bottom plate A (11) is provided with an electric guide rail slide seat A (112) sliding along the guide rails A (10); It also comprises a controller, which is connected to the boom side plate loading mechanism (2), the fixing mechanism (1), the lifting arm unloading mechanism (4) and the connecting pipe loading mechanism (3).

6. The skid loader lifting arm welding and fixing equipment according to claim 5, characterized in that: The boom side plate loading mechanism (2) comprises a storage structure A for storing the boom side plates (100); the storage structure A comprises a pair of guide rails B (21) mounted on a mounting surface via pillars, at least two electric guide rail slides B (22) being provided on any of the guide rails B (21), a support frame (23) being provided on the electric guide rail slides B (22), two guardrails (24) being provided on both sides of the upper surface of the support frame (23), a support beam A (25) supported on one side of the boom side plate (100) being connected between the two guardrails (24); A connecting beam (27) is connected between the two guide rails B (21), and a limiting frame (26) is provided on the connecting beam (27) and passes through the support frame (23) and abuts against one side of a boom side plate (100); A plurality of lifting cylinders (28) are arranged on the upper surface of the connecting beam (27) located on one side of the limiting frame (26), and the tops of the lifting cylinders (28) are connected to the lifting blocks (29).

7. The skid loader lifting arm welding and fixing equipment according to claim 6, characterized in that: The movable arm side plate feeding mechanism (2) also includes a grabbing moving structure A, the grabbing moving structure A includes a pair of guide rails C (201) arranged above the storage structure A, and the guide rails C (201) are matched with electric guide rail slides C (202); the two electric guide rail slides C (202) are connected to a moving beam (203), and a plurality of telescopic cylinders B are arranged on the bottom side of the moving beam (203), and the ends of the telescopic cylinders B are connected to a clamping module B with the same structure as the clamping module A.

8. The skid loader lifting arm welding and fixing equipment according to claim 5, characterized in that: The connecting pipe feeding mechanism (3) comprises a storage structure B for storing the connecting pipe (200); The storage structure B comprises four columns (34) distributed in a rectangular shape and fixed on the mounting surface, and the four columns (34) are cooperatively connected to a guide rail D (35) located at a first height and a guide rail E (36) located at a second height; At least two electric guide rail slides D (351) are arranged on any of the guide rails D (35), and a storage rack A is arranged on the electric guide rail slides D (351); At least two electric guide rail slides E (361) are arranged on any of the guide rails E (36), and a storage rack B is arranged on the electric guide rail slides E (361); The storage rack A and the storage rack B have the same structure. The storage rack A comprises a pair of parallel supporting beams B (37). Support side plates A (38) are respectively arranged at both ends of the two supporting beams B (37). A plurality of supporting plates (39) are connected between the two supporting side plates A (38). The supporting plates (39) comprise a plurality of C-shaped plates (391) connected in sequence and connecting plates (392) arranged at both ends. The electric guide rail slide D (351) and the electric guide rail slide E (361) are both cooperatively mounted on the support beam B (37).

9. The skid loader lifting arm welding and fixing equipment according to claim 8, characterized in that: The connecting tube feeding mechanism (3) further comprises a grabbing moving structure B, wherein the grabbing moving structure B comprises a pair of guide rails F (31) arranged above the storage structure B, and an electric guide rail slide seat F (311) is arranged on the guide rails F (31); The two electric guide rail slides F (311) are connected to a transverse connecting beam (32), a guide rail H is arranged on the bottom side of the transverse connecting beam (32) along its length direction, and electric guide rail slides H (321) are respectively arranged at both ends of the guide rail H, and a telescopic cylinder C (33) that can be telescoped in a vertical direction is arranged on the electric guide rail slide H (321), and a mounting block (331) is arranged at the end of the telescopic cylinder C (33), and a support rod A (332) that extends into the connecting pipe (200) is connected to one side of the mounting block (331).

10. The skid loader lifting arm welding and fixing equipment according to claim 5, characterized in that: The lifting arm unloading mechanism (4) comprises a pair of symmetrically arranged unloading structures, the unloading structure comprising a movable plate (42) connected by a plurality of lifting cylinders (41), a side baffle (43) being arranged on one side of the movable plate (42); a plurality of telescopic cylinders D (44) being arranged on a side wall of the side baffle (43) along its length direction, the output end of the telescopic cylinder D (44) being connected to a circular plate (45), a support rod B (46) being fixed on a side wall of the circular plate (45).

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