Lifting lug welding auxiliary device

Abstract

The utility model provides a lifting lug welding auxiliary device, and belongs to the technical field of welding, and the lifting lug welding auxiliary device comprises material storage frames which are arranged in pairs and face the vertical direction, and the internal storage space of each material storage frame is matched with the size of a lifting lug; the first mounting plate is horizontally arranged below the material storage frame, the edge of one side of the first mounting plate is spaced from the material storage frame by a preset distance, a pair of material pushing plates parallel to the end face of the material storage frame and movably arranged in the wide edge direction of the side face of the material storage frame is arranged on the first mounting plate, and a pair of vertical first limiting plates facing the wide edge direction of the side face of the material storage frame is arranged on one side of each material pushing plate; the size of the first limiting plates is matched with that of the lifting lugs, and the first limiting plates are matched with the two sides of the bottom of the corresponding storage frame respectively; the second mounting plate is arranged below the first mounting plate in parallel, and a placement table which is movably arranged in the wide edge direction of the side face of the material storage frame is arranged on the second mounting plate; the fixing mechanism is arranged above the second mounting plate and used for fixing the cylinder cover. According to the device, the welding efficiency can be effectively improved, and the lifting lug and the cylinder cover can be effectively positioned.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of welding, and particularly relates to a lug welding auxiliary device. BACKGROUND

[0002] The cylinder body of a large hydraulic cylinder is generally welded by a cylinder cover, a cylinder barrel and a base, and a lug is generally welded on the cylinder cover, which is used for stably connecting the hydraulic cylinder with other equipment and completing power transmission. Before welding the cylinder cover and the lug, an operator needs to combine them, which leads to low welding efficiency, and the welding process lacks positioning of the lug and the cylinder cover, so that the defective rate of welding is increased. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems of the prior art, the application provides a lug welding auxiliary device, which can effectively improve the welding efficiency and effectively position the lug and the cylinder cover.

[0004] In order to achieve the above purpose, the utility model adopts the following technology:

[0005] A lug welding auxiliary device is used for assisting welding of a lug and a hydraulic cylinder cover, and comprises:

[0006] A storage frame is arranged in pairs and faces the vertical direction, and the storage space inside the storage frame is matched with the size of the lug;

[0007] A first mounting plate is horizontally arranged below the storage frame, and one side edge of the first mounting plate is spaced apart from the storage frame by a predetermined distance, and a pair of push plates parallel to the end face of the storage frame and arranged to move along the wide side of the storage frame are arranged on the first mounting plate, one side of each of the two push plates is provided with a pair of first limiting plates vertically facing the wide side of the storage frame, and the size of the first limiting plates is matched with the size of the lug, and the first limiting plates are respectively matched with the two sides of the bottom of the storage frame;

[0008] A second mounting plate is arranged parallel below the first mounting plate, and a placement table arranged to move along the wide side of the storage frame is arranged on the second mounting plate;

[0009] A fixing mechanism is arranged above the second mounting plate and is used for fixing the cylinder cover.

[0010] Further, a second limiting plate parallel to the push plate is arranged on the first mounting plate, a cooperating shaft penetrating the second limiting plate is vertically arranged on the other side of each of the two push plates, the ends of the cooperating shafts are connected by a pull rod, a spring connected between the push plate and the second limiting plate is sleeved on the cooperating shaft, and when the spring is in a natural state, the push plate is located below the other end face of the storage frame.

[0011] Further, the height of the second limiting plate is matched with the bottom of the storage frame, and the other side of the top of the pushing plate is provided with a material blocking plate which is parallel to the first mounting plate and is arranged towards the wide side of the side surface of the storage frame, the material blocking plate is matched with the bottom of the storage frame, and the length of the material blocking plate is matched with the distance between the second limiting plate and the end surface of the storage frame.

[0012] Further, the other end surface of the storage frame is provided with a matched groove, the width of the matched groove is matched with the thickness of the lifting lug, and the distance between the bottom of the matched groove and the first mounting plate is matched with the outer dimension of the lifting lug.

[0013] The utility model has the advantages of:

[0014] 1. The welding precision of the lifting lug is effectively improved by the arrangement of the storage frame and the first mounting plate, the production quality of the hydraulic cylinder is effectively improved, the continuity of the lifting lug welding operation is greatly improved, and the welding efficiency is improved.

[0015] 2. The stroke of the pushing plate is effectively prevented from being stuck when the lifting lug in the storage frame falls on the matched shaft and causes the pushing plate to retreat by the cooperation of the material blocking plate and the second limiting plate, the reliability of the device is further improved, the spring can not only seal the bottom of the storage frame to facilitate the loading of the lifting lug, but also can apply a clamping force to the welded lifting lug to facilitate welding, and the convenience of the device and the quality of the lifting lug welding are effectively improved. DRAWINGS

[0016] Figure 1 is the state diagram of the lifting lug falling on the first mounting plate of the device of the embodiment of the application.

[0017] Figure 2 is the state diagram of the pushing plate of the device of the embodiment of the application pushing the lifting lug to the end surface of the cylinder cover.

[0018] Figure 3 is the sectional view of the lifting lug falling on the first mounting plate of the device of the embodiment of the application.

[0019] Figure 4 is the sectional view of the pushing plate of the device of the embodiment of the application pushing the lifting lug.

[0020] Figure 5 is Figure 3 the enlarged view of the part A in the device of the embodiment of the application.

[0021] Figure 6 is the structure schematic view of the first mounting plate of the device of the embodiment of the application.

[0022] Reference numerals in the attached drawings: 1-Storage frame, 11-Matching groove, 12-Guide strip, 2-First mounting plate, 21-Push plate, 22-First limiting plate, 221-Guide groove, 23-Second limiting plate, 24-Matching shaft, 25-Pull rod, 26-Spring, 27-Baffle plate, 3-Second mounting plate, 31-Placement platform, 311-First V-shaped plate, 4-Fixing mechanism, 41-Second V-shaped plate. Detailed Implementation

[0023] To make the objectives, technical solutions and advantages of the present utility model clearer, the implementation methods of the present utility model will be described in detail below with reference to the accompanying drawings. However, the embodiments described in the present utility model are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1

[0025] This application provides an auxiliary device for welding lifting lugs, such as... Figures 1-4 As shown, it includes: a storage frame 1, a first mounting plate 2, a second mounting plate 3, and a fixing mechanism 4.

[0026] Among them, such as Figure 3 As shown, storage frames 1 are arranged in pairs and oriented vertically. Lifting lugs can only be inserted longitudinally inside each frame. When the lifting lugs are placed inside the storage frame 1, their two sides are respectively against the inner walls of the two sides of the storage frame 1, and their two ends abut against the inner walls of both ends of the storage frame 1. A first mounting plate 2 is horizontally positioned below the storage frame 1, with one edge of the first mounting plate 2 spaced a predetermined distance from the storage frame 1. The distance between the first mounting plate 2 and the bottom of the storage frame 1 is equal to the width of one lifting lug. The first mounting plate 2 has a pair of push plates 21 parallel to the end face of the storage frame 1 and movable along the wide side of the storage frame 1. Each push plate 21 has a pair of vertical first limiting plates 22 facing the wide side of the storage frame 1. The distance between the two first limiting plates 22 is equal to the thickness of the lifting lug. The first limiting plates 22 are respectively fitted to the two sides of the bottom of the corresponding storage frame 1. Specifically, as shown... Figure 6 As shown, the bottom of both sides of the storage frame 1 is provided with guide strips 12 facing the width direction of its side. The upper end of the first limiting plate 22 is provided with guide grooves 221 facing the width direction of the side of the storage frame 1. The guide strips 12 are respectively matched in the corresponding guide grooves 221. Through the cooperation of the guide strips 12 and the guide grooves 221, the movement interference of the push plate 21 can be effectively prevented, and the reliability of the device can be improved. The second mounting plate 3 is arranged parallel to the bottom of the first mounting plate 2. It is provided with a placement platform 31 that moves along the width direction of the side of the storage frame 1. The placement platform 31 is used to place the cylinder head. When the cylinder head is installed in the placement platform 31, the axis of the cylinder head faces the width direction of the side of the storage frame 1 and is located between the two push plates 21. The fixing mechanism 4 is located above the second mounting plate 3 and is used to fix the cylinder head.

[0027] When in use, as shown in Figure 1 and Figure 3 , the pushing plate 21 is moved out of the bottom of the storage frame 1, and then the lifting lugs are sequentially placed into the storage frame 1, and the lifting lug at the bottom of the storage frame 1 falls onto the first mounting plate 2 and is located between the two first limiting plates 22, thereby completing the loading of the lifting lug; the cylinder cover is placed on the placement table 31, and the placement table 31 is moved along the wide side direction of the storage frame 1 to the edge of the first mounting plate 2, i.e. below the fixing mechanism 4, during which the axis of the cylinder cover is always directed towards the wide side direction of the storage frame 1 and is located between the two pushing plates 21, and then the cylinder cover is fixed by the fixing mechanism 4, thereby completing the installation of the cylinder cover; as shown in Figure 2 and Figure 4 , the pushing plate 21 is pushed to move along the wide side direction of the storage frame 1 towards the cylinder cover, and since the side edge of the first mounting plate 2 is spaced apart from the storage frame 1 by a predetermined distance, when the bottom surface of the lifting lug pushed by the pushing plate 21 is in contact with the end surface of the cylinder cover, the top end of the lifting lug is still on the edge of the first mounting plate 2, and at the same time the pushing plate 21 abuts against the lifting lug, during which the two sides of the lifting lug are limited by the first limiting plates 22, and then the lifting lug and the cylinder cover are welded; after the welding is completed, the fixing of the fixing mechanism 4 is released, the placement table 31 is moved out, the cylinder cover is taken off and reloaded, the pushing plate 21 is moved out of the bottom of the storage frame 1 again, and the lifting lug at the bottom of the storage frame 1 continues to fall onto the first mounting plate 2 and is located between the two first limiting plates 22, thereby performing the welding of the next cylinder cover and lifting lug. Through the arrangement of the storage frame 1 and the first mounting plate 2, and in combination with the pushing plate 21, the second limiting plate 22, the placement table 31 and the fixing mechanism 4, the welding precision of the lifting lug is effectively improved, thereby effectively improving the production quality of the hydraulic cylinder, and at the same time, the continuity of the lifting lug welding operation is greatly improved, and the welding efficiency is improved.

[0028] Correspondingly, the pushing plate 21 can be driven by manual operation or a linear mechanism.

[0029] Specifically, as shown in Figure 1 and Figure 2 , the length of the first limiting plate 22 is less than the height of the lifting lug, i.e. during the pushing of the lifting lug by the pushing plate 21 until the bottom surface of the lifting lug is in contact with the end surface of the cylinder cover, the first limiting plate can effectively limit the two sides of the lifting lug, and at the same time will not block the welding position of the lifting lug and the cylinder cover, thereby improving the reliability of the device.

[0030] As a preferred structure, as shown in Figure 5 and Figure 6 , the first limiting plate 22 is provided with a plurality of limiting grooves 221, and the lifting lug is provided with a plurality of limiting protrusions 211, and the limiting protrusions 211 are matched with the limiting grooves 221, thereby effectively limiting the two sides of the lifting lug.As shown, the distance between the bottom of the storage frame 1 and the first mounting plate 2 is less than the width of a lifting lug, and a matching groove 11 is formed in the bottom of the other end face of the storage frame 1, the width of the matching groove 11 is equal to the thickness of the lifting lug, and the distance between the bottom of the matching groove 11 and the first mounting plate 2 is equal to the width of a lifting lug, that is, when the pushing plate 21 pushes the lifting lug to move towards the cylinder cover, in addition to the first limiting plate 22 being able to limit the two sides of the lifting lug, the matching groove 11 can also limit the two sides of the lifting lug, so as to ensure that the position of the lifting lug does not deviate when moving.

[0031] Specifically, as shown in Figure 1 The placing table 31 is provided with a first V-shaped plate 311, and after the cylinder cover is loaded, the first V-shaped plate 311 is tangent to the circumferential side of the cylinder cover, and the fixing mechanism 4 includes a second V-shaped plate 41 provided above the second mounting plate 3 and moving in the vertical direction, and the second V-shaped plate 41 is oppositely arranged with the first V-shaped plate 311.

[0032] Embodiment 2

[0033] As a further embodiment of embodiment 1, as shown in Figure 1 and Figure 4 The first mounting plate 2 is provided with a second limiting plate 23 parallel to the pushing plate 21, and the other side of each pushing plate 21 is vertically provided with a matching shaft 24 penetrating through the second limiting plate 23, the ends of the matching shafts 24 are connected by a pull rod 25, a spring 26 connected between the pushing plate 21 and the second limiting plate 23 is sleeved on the matching shaft 24, and when the spring 26 is in a natural state, the pushing plate 21 is located below the other end face of the storage frame 1. The height of the second limiting plate 23 is greater than the distance between the bottom of the storage frame 1 and the first mounting plate 2, the top of the other side of the pushing plate 21 is provided with a material blocking plate 27 parallel to the first mounting plate 2 and arranged towards the wide side of the side face of the storage frame 1, and the material blocking plate 27 is matched to the bottom of the storage frame 1. Specifically, the guide groove 221 penetrates to the end of the material blocking plate 27, the length of the material blocking plate 27 is adapted to the distance between the second limiting plate 23 and the end face of the storage frame 1, and when the end of the material blocking plate 27 abuts against the second limiting plate 23, the side face of the pushing plate 21 is coplanar with the end wall of the pushing plate 21.

[0034] In application, the spring 26 is in a natural state, the pushing plate 21 is located below the other end face of the storage frame 1, and the material blocking plate 27 seals the bottom of the storage frame 1, at this time, the lifting lug is sequentially and longitudinally filled into the storage frame 1; when the cylinder cover is installed, as shown in Figure 1 and Figure 3As shown, the pull rod 25 is pulled to move the pushing plate 27 through the cooperation of the shaft 24 until the end of the blocking plate 27 abuts against the second limiting plate 23, at this time, the side of the pushing plate 21 is coplanar with the end wall of the pushing plate 21, the bottom of the storage frame 1 is opened, the lifting lug at the bottom of the storage frame 1 falls on the first mounting plate 2, and the spring 26 is compressed; the pull rod 25 is released, and under the action of the spring 26, the pushing plate 21, the first limiting plate 22, the guide strip 12 and the guide groove 211, the lifting lug is pushed to the cylinder cover in a correct posture to abut against the bottom surface of the cylinder cover; the second welding only needs to repeat the above operation. Through the cooperation of the blocking plate 27 and the second limiting plate 23, the stroke of the pushing plate 21 back when the lifting lug in the storage frame 1 falls on the shaft 24 to cause the pushing plate 21 to back off is effectively avoided, and the reliability of the device is further improved; at the same time, the cooperation of the spring 26 not only can seal the bottom of the storage frame 1 to facilitate the filling of the lifting lug, but also can apply a jacking force to the welded lifting lug to facilitate welding, effectively improving the convenience of the device and the quality of the lifting lug welding.

[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application.

Claims

1. A lifting lug welding aid for assisting in the welding of a lifting lug to a hydraulic cylinder head, characterised in that, The utility model relates to a kind of cylinder head fixing device, including: Storage frame (1) is set to vertical direction in pairs, and the storage space in its inside is adapted to the size of lug; First mounting plate (2) is horizontally arranged below storage frame (1), and one side edge is spaced apart from storage frame (1) by predetermined distance, and it is equipped with a pair of push plate (21) parallel to the end surface of storage frame (1) and along the wide side direction of storage frame (1) side surface is arranged, and the side of two push plate (21) is equipped with a pair of first limiting plate (22) vertically and towards the wide side direction of storage frame (1) side surface, and its size is adapted to the size of lug, and first limiting plate (22) is respectively matched with the bottom of two sides of corresponding storage frame (1); Second mounting plate (3) is parallelly arranged below first mounting plate (2), and it is equipped with placement table (31) arranged along the wide side direction of storage frame (1) side surface; Fixing mechanism (4) is arranged above second mounting plate (3), for fixing cylinder cover.

2. A welding aid for lifting lugs as claimed in claim 1, wherein, Second limiting plate (23) is arranged on first mounting plate (2) parallel to push plate (21), and the other side of two push plate (21) is vertically equipped with cooperation shaft (24) arranged in second limiting plate (23), and the end of cooperation shaft (24) is connected by a pull rod (25), and spring (26) is sleeved on cooperation shaft (24) and connected between push plate (21) and second limiting plate (23), when spring (26) is in natural state, push plate (21) is below the other end surface of storage frame (1).

3. A welding aid for lifting lugs as claimed in claim 2, wherein, The height of second limiting plate (23) is adapted to the bottom of storage frame (1), and the top of the other side of push plate (21) is equipped with baffle plate (27) parallel to first mounting plate (2) and arranged towards the wide side direction of storage frame (1) side surface, and baffle plate (27) is matched with the bottom of storage frame (1), and the length of baffle plate (27) is adapted to the distance between second limiting plate (23) and the end surface of storage frame (1).

4. A welding aid for lifting lugs as defined in claim 1, wherein The length of first limiting plate (22) is less than the height of lug.

5. A welding aid for lifting lugs as defined in claim 4, wherein Cooperation groove (11) is arranged at the bottom of the other end surface of storage frame (1), and its width is adapted to the thickness of lug, and the distance between the bottom of cooperation groove (11) and first mounting plate (2) is adapted to the width of lug.

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