Welding fixture for crane end beam
Technical Field
The utility model relates to the technical field of crane production equipment, in particular to a welding tool for a crane end beam.
Background
The crane end beam is an important component of the crane, the crane end beam is a box beam structure formed by welding steel plates, and is formed by welding an end beam bottom flat plate, an end beam top flat plate, an end beam side plate and a rib plate, each plate forming the end beam is required to be spliced and spot-welded for positioning in the welding process, then the welding is performed, the existing end beam is welded by adopting a simple tool to be matched with manual work for positioning and welding, the welding mode is in the welding process, repeated adjustment positioning and position fixing are often required, errors are easy to occur in the adjustment process, positioning inaccuracy is caused, the welding quality of the end beam cannot be ensured, and the welding efficiency is low.
Therefore, it is necessary to provide a welding fixture for crane end beams to overcome the defects of the prior art.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provides a welding tool for a crane end beam.
The technical scheme of the utility model is as follows:
The utility model provides a welding frock for hoist end beam, including base, fixed frid and activity frid, fixed frid sets firmly on the base, and the adjustable setting of activity frid is on the base, and parallels with fixed frid, all slides on fixed frid and the activity frid and is provided with a plurality of gusset locating component, just is located on the base and is provided with two relative components that strut between fixed frid and the activity frid, and one of them struts the fixed setting of component in base one end, and another struts the setting of component position adjustable and is at the other end of base.
Preferably, the rib plate positioning assembly comprises a positioning support, a clamping plate and a quick clamp, wherein the positioning support comprises a bottom plate, a vertical plate and a top plate which are integrally arranged, a plurality of guide shafts are arranged on one side of the vertical plate, the clamping plate is arranged on the guide shafts in a penetrating mode, a spring is sleeved on each guide shaft, one end of the spring is fixedly arranged at the end portion of each guide shaft, the other end of the spring is abutted to the clamping plate, and the quick clamp is arranged on the top plate.
Preferably, the vertical plate is provided with a clamping block matched with the clamping plate, and the vertical plate is provided with a positioning block above the clamping block.
Preferably, the stretching assembly comprises a stretching bracket, a screw and two stretching rods, the screw is rotatably arranged on the stretching bracket, a nut block is connected to the screw in a threaded mode, the nut block is respectively connected with the two stretching rods through connecting rods, two guide plates are symmetrically arranged on the stretching bracket, the two stretching rods are respectively arranged on the two guide plates in a penetrating mode, and a supporting plate is arranged at the end portion, far away from the nut block, of the stretching rods.
Preferably, a hand wheel is fixedly arranged at the end part of the screw rod.
Preferably, an actuator is arranged on the base, the fixed end of the actuator is arranged on the base, the extending end of the actuator is connected with the movable groove plate, a plurality of guide grooves are formed in the base, guide bars matched with the guide grooves are arranged on the movable groove plate, and positioning holes in rectangular arrangement are formed in the base.
Preferably, T-shaped grooves are formed in the fixed groove plate and the movable groove plate.
Preferably, two outer side walls of the base are symmetrically provided with a plurality of lifting lugs.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the fixed groove plate and the opening bracket of one opening assembly are fixedly arranged to position the bottom plate of the end beam, the clamping and positioning of the rib plate are realized through the matching of the clamping plates, the clamping blocks on the vertical plates and the springs, the opening assembly opens the side plate of the end beam to realize the support and positioning, the positioning block on the opening bracket and the vertical plates is used for positioning the top plate of the end beam, and the quick clamp is used for clamping and fixing, so that the positioning is accurate and reliable, the welding accuracy is ensured, the welding efficiency and the welding quality are improved, the whole structure is simple, the application range is wide, the processing cost is low, the use is convenient and quick, and the popularization is convenient.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a gusset positioning assembly according to the present utility model;
FIG. 3 is a schematic view of a spreader assembly according to the present utility model;
FIG. 4 is a schematic view of a base structure of the present utility model;
FIG. 5 is a schematic view of a movable trough plate according to the present utility model;
FIG. 6 is a schematic view of the usage state structure of the present utility model.
1, A base; 2, a fixed groove plate, 3, a movable groove plate, 31, a guide bar, 4, an actuator, 5, a positioning bracket, 51, a bottom plate, 52, a vertical plate, 53, a top plate, 54, a guide shaft, 55, a clamping block, 56, a positioning block, 6, a clamping plate, 7, a quick clamp, 8, a spring, 9, a supporting bracket, 10, a screw rod, 11, a nut block, 12, an extension rod, 13, a guide plate, 14, a supporting plate, 15, a hand wheel, 16, a guide groove, 17, a positioning hole, 18, a lifting lug, 19, a T-shaped groove, 20 and a connecting rod.
Detailed Description
In order to make the technical means, technical features, objects and technical effects of the present utility model easy to understand, the present utility model will be further described with reference to the specific drawings.
As shown in FIG. 1, a welding fixture for crane end beam, including base 1, fixed frid 2, movable frid 3, gusset locating component and prop up the subassembly, fixed frid 2 and movable frid 3 are mutually parallel install on base 1, fixed frid 2 and base 1 fixed connection, movable frid 3 connects on base 1, and can realize the removal of position relative base 1, be used for adjusting with the interval between the fixed frid 2, realize pressing from both sides tightly and application scope's extension, gusset locating component's quantity is a plurality of, specifically, gusset locating component's quantity is even number, even number gusset locating component equipartition, install respectively on fixed frid 2 and movable frid 3, and can carry out the adjustment of mounted position with respect to fixed frid 2/movable frid 3, with corresponding gusset welded position, two prop up the subassembly and install at the both ends of base 1 relatively, and lie in between fixed frid 2 and the movable frid 3, one of them subassembly and base 1 fixed connection struts, realize the fixed frid 2 through fixed frid 2 and subassembly and the subassembly of fixed mounting and the expansion of bottom to the girder, two can satisfy the two relative end beam's of the two end beam of opening of the opposite side of the fixed frid 2/movable frid 3, can satisfy the two different welded requirements.
As shown in fig. 2, the rib plate positioning assembly comprises a positioning bracket 5, a clamping plate 6 and a quick clamp 7, wherein the clamping plate 6 is connected to one side of the positioning bracket 5 and used for realizing clamping and positioning of the rib plate, the quick clamp 7 is installed at the top of the positioning bracket 5 and used for compressing and fixing an end beam top flat plate, the positioning bracket 5 comprises a bottom plate 51, a vertical plate 52 and a top plate 53, the bottom plate 51, the vertical plate 52 and the top plate 53 are integrally welded, the positioning bracket 5 is connected with the fixed groove plate 2/the movable groove plate 3 through the bottom plate 51, a plurality of guide shafts 54 are installed at one side of the vertical plate 52, the clamping plate 6 is connected to the guide shafts 54 in a penetrating manner, a spring 8 is sleeved on the guide shafts 54, one end of the spring 8 is fixedly connected to the end of the guide shafts 54, the other end of the spring 8 is abutted to the clamping plate 6, a clamping block 55 is machined on the end face perpendicular to the plane of the guide shafts 54, the clamping block 55 is matched with the clamping plate 6, under the elastic force of the spring 8, the clamping plate 6 is compressed on the vertical plate 52, during use, the rib plate 6 can be pulled open to be placed between the clamping block 55 and the clamping plate 6, the end beam 6 is pressed tightly against the top plate 6, and the top plate is tightly pressed on the top plate 52, the end of the clamping plate is tightly pressed against the top plate 6, and the end beam is tightly pressed against the top plate is positioned on the top plate by the clamping plate, and the top plate is tightly pressed against the top plate 6.
As shown in fig. 3, the opening assembly comprises an opening bracket 9, a screw rod 10 and two extending rods 12, the opening bracket 9 is connected with the base 1, the screw rod 10 penetrates through and is rotatably connected to the opening bracket 9, a hand wheel 15 is fixedly arranged at the end part of the screw rod 10, convenience of operation of the screw rod 10 is improved, a nut block 11 is connected to the screw rod 10 through threads, the nut block 11 is respectively connected with the two extending rods 12 through two connecting rods 20, specifically, one end of the connecting rod 20 is hinged to the nut block 11, the other end of the connecting rod 20 is hinged to the extending rods 12, two guide plates 13 are connected to the opening bracket 9 in a symmetrical mode, the two extending rods 12 are respectively connected to the two guide plates 13 in a penetrating mode, the extending rods 12 are led through the guide plates 13, the end part of the extending rods 12 is far away from the end part of the extending rods 14, the end beam side plates are used for pushing end beam side plates and are positioned in an opening mode, the screw rod 10 is driven to rotate through the hand wheel 15, the threaded connection between the screw rod 10 and the nut block 11 is driven to move on the screw rod 10, specifically, one end of the connecting rod 20 is hinged to the extending rods 12, two end beam side plates are pushed by the end beam side plates 12 to extend towards the two end beam side plates through the extending beams 13, and the end beam side plates are extended towards the end beam side plates 14.
As shown in fig. 1 and fig. 4, the movable slot plate 3 is moved relative to the base 1 by an actuator 4, the fixed end of the actuator 4 is connected to the base 1, the extending end of the actuator 4 is connected to the movable slot plate 3, the actuator 4 adopts, but is not limited to, an air cylinder or a hydraulic cylinder, in order to ensure the stable movement of the movable slot plate 3, a plurality of parallel-distributed guide slots 16 are processed on the base 1, a guide bar 31 matched with the guide slots 16 is processed at the bottom of the movable slot plate 3, the guide bar 31 is slidably mounted in the guide slots 16, a plurality of positioning holes 17 are processed on the base 1 for facilitating the adjustment of the mounting position of one of the opening assemblies, the positioning holes 17 are arranged in a rectangular shape, and the opening support 9 is connected in the positioning holes 17 by quick locking pins, so that the connection is firm, and the dismounting is convenient and quick.
As shown in fig. 1 and 5, the fixed slot plate 2 and the movable slot plate 3 are both provided with T-shaped slots 19, which is convenient for adjusting and fastening the positioning bracket 5.
As shown in fig. 1 and fig. 4, two outer side walls of the base 1 are symmetrically connected with lifting lugs 18, which are used for lifting the base 1 to meet the use requirements of different stations.
The working principle of the utility model is as follows:
When the end beam is used, as shown in fig. 6, the end beam bottom flat plate is placed on the base 1, two mutually perpendicular side edges of the end beam bottom flat plate are respectively abutted against the fixed groove plate 2 and the supporting bracket 9 fixedly installed in the fixed groove plate 2, the installation positions of the rib plate positioning components on the fixed groove plate 2 and the movable groove plate 3 are adjusted and fixed, the clamping plate 6 and the vertical plate 52 are pulled to be separated by a certain gap, the rib plate is placed between the clamping plate 6 and the clamping block 55, the clamping plate 6 is loosened, the rib plate is clamped between the clamping plate 6 and the vertical plate 52 under the action of the spring 8, the actuator 4 is started, the actuator 4 pushes the movable groove plate 3 to move, the end beam bottom flat plate is clamped between the fixed groove plate 2 and the movable groove plate 3, the two end beam side plates are placed on the end beam bottom flat plate, the hand wheel 15 is manually rotated to drive the screw 10 to rotate, the nut block 11 is moved, the extension rod 12 drives the two end beam side plates to be supported and close to the rib plate, the end beam top flat plate is placed above the two end beam side plates, the end beam side plates are positioned through the positioning blocks 56 on the vertical plate 52, the end beam top flat plate is clamped on the end beam side plates through the quick clamp 7, and the end beam top flat plate can be welded.
The above description is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are intended to fall within the scope of the present utility model.