CN222660678U - Drawing device - Google Patents

Abstract

The utility model discloses a pulling device, which belongs to the technical field of equipment component removal, and solves the problem of poor effect of component removal due to limited space. The utility model includes a hydraulic cylinder, a screw seat and a connecting seat. The top push end of the hydraulic cylinder is connected to the screw seat sleeve through a thread. The outer wall of the screw seat is evenly distributed with a plurality of protrusions, and a first connecting hole is horizontally penetrated on the protrusion; a plurality of connecting blocks are arranged on the upper surface of the connecting seat, and a second connecting hole is horizontally penetrated on the connecting block, and every two connecting blocks form a group, and the number of connecting block groups is consistent with the number of protrusions. The protrusion is arranged between the two connecting blocks, and the first connecting hole and the second connecting hole are connected by a first connecting bolt, and a plurality of long holes are penetrated on the connecting seat, and a second connecting bolt is penetrated in the long hole. The utility model is used repeatedly with the hydraulic cylinder, and is simple to make, quick to install and use, light in weight, and easy to carry, which reduces production costs and saves resource use.

Description

Drawing device

Technical Field

The utility model belongs to the technical field of equipment component dismantling, and particularly relates to a drawing device.

Background

The equipment inspection and maintenance often encounters the condition that components such as a coupler, a gear joint, a fan impeller and the like need to be removed, particularly relates to components such as a shaft-coupler, a shaft-gear and a shaft-fan impeller of equipment, which are matched and installed and removed, and often encounters the problem that the existing tools such as a hydraulic puller, a puller and a clamping fixture cannot be directly used for removing because of limited space between the coupler, the gear joint, the fan impeller and the like and the equipment shell, for example, the puller claw of the hydraulic puller cannot be installed between the coupler, the gear and the fan impeller and the equipment shell, so that the special clamping fixture or the special removing tool can only be used for manufacturing, and the jack is matched for removing the coupler and the gear.

In the operation process, the special clamping fixture is large in workload, time-consuming and labor-consuming, and when the distance between the coupler, the gear and the motor end cover is small, the manufacturing clamping fixture can be manufactured by adopting thinner steel plates only according to gaps, the manufactured clamping fixture often cannot reach required strength, the clamping fixture is deformed to cause dismounting failure when the coupler and the gear are dismounted, and the fan impeller cannot be manufactured to be dismounted.

Disclosure of utility model

The utility model aims to provide a drawing device which solves the problem that the effect of removing a part is poor due to space limitation.

The technical scheme includes that the drawing device comprises a hydraulic cylinder, a screw rod seat and a connecting seat, wherein a pushing end of the hydraulic cylinder is connected with the screw rod seat in a sleeved mode through threads, a plurality of protrusions are uniformly distributed on the outer wall of the screw rod seat, a first connecting hole is transversely formed in the protrusions in a penetrating mode, a plurality of connecting blocks are arranged on the upper surface of the connecting seat, a second connecting hole is transversely formed in the connecting blocks in a penetrating mode, every two connecting blocks are in a group, the number of the connecting blocks is identical to that of the protrusions, the protrusions are arranged between the two connecting blocks, the protrusions penetrate through the first connecting hole and the second connecting hole through first connecting bolts, a plurality of long holes are formed in the connecting seat in a penetrating mode, and the second connecting bolts are arranged in the long holes in a penetrating mode.

As a further improvement of the utility model, the screw rod seat is circular, and the connecting seat is disc-shaped.

As a further improvement of the present utility model, the number of protrusions is four, and the number of connection blocks is eight.

When the utility model is used for dismantling parts such as a coupler, a tooth catcher, a fan impeller and the like, the screw rod seat is connected with the connecting seat, the second connecting bolt is connected with bolt holes on the outer end surfaces of the coupler, the tooth catcher and the fan impeller, and the pushing end of the reciprocating hydraulic cylinder is lifted and pressed down, so that the parts such as the coupler, the tooth catcher or the fan impeller and the like connected with the screw rod seat and the shaft of the equipment generate relative movement, thereby achieving the purpose of dismantling the parts such as the coupler, the tooth catcher and the fan impeller.

The hydraulic cylinder is matched with the hydraulic cylinder, so that the problem that the existing hydraulic puller, clamping fixture and other tools cannot be directly used for dismounting due to limited space between the parts such as the coupler, the tooth catcher and the fan impeller and the equipment shell can be effectively solved, the problem that the coupler and the gear are dismounted by matching with a jack when the special clamping fixture or the special dismounting tool is manufactured each time can be effectively solved, the workload of maintenance operation is effectively reduced, the time for dismounting the coupler, the tooth catcher and the fan impeller is shortened, and the problem that the dismounting failure is caused by the deformation of the clamping fixture when the coupler and the gear are dismounted can be effectively solved.

The utility model can be matched with the hydraulic cylinder for repeated use for multiple times, has the advantages of simple manufacture, quick installation and use, lighter weight and convenient carrying, avoids repeated purchase of the hydraulic cylinder for multiple times, reduces the production cost and saves the resource use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is an exploded view of the structure of the present utility model.

In the figure, a 1-hydraulic cylinder, a 2-thread, a 3-screw seat, a 31-bulge, a 32-first connecting hole, a 4-connecting seat, a 41-connecting block, a 42-second connecting hole, a 43-long hole, a 5-first connecting bolt, a 6-second connecting bolt, a 7-gear, a 71-bolt hole, an 8-shaft and a 9-nut are arranged.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-2, the drawing device comprises a hydraulic cylinder 1, a screw rod seat 3 and a connecting seat 4, wherein the pushing end of the hydraulic cylinder 1 is sleeved and connected with the screw rod seat 3 through threads 2, a plurality of protrusions 31 are uniformly distributed on the outer wall of the screw rod seat 3, a first connecting hole 32 is transversely formed in the protrusions 31 in a penetrating mode, a plurality of connecting blocks 41 are arranged on the upper surface of the connecting seat 4, second connecting holes 42 are transversely formed in the connecting blocks 41 in a penetrating mode, each two connecting blocks 41 are in a group, the number of the connecting blocks 41 is identical to that of the protrusions 31, the protrusions 31 are arranged between the two connecting blocks 41, the first connecting bolts 5 penetrate through the first connecting holes 32 and the second connecting holes 42, a plurality of long holes 43 are formed in the connecting seats 41 in a penetrating mode, long holes 43 are formed between the two connecting blocks 41 in a penetrating mode, and the first connecting bolts 5 and the second connecting bolts 6 are high-strength bolts.

The screw rod seat 3 is circular, the connecting seat 4 is disc-shaped, the screw rod seat 3 and the connecting seat 4 with the shapes can be better matched with parts such as a coupler, a gear joint, a fan impeller and the like, the circular shape is free of a tip, potential safety hazards are reduced, the number of the protrusions 31 is four, the number of the connecting blocks 41 is eight, and the protrusions 31 and the connecting blocks 41 are symmetrically and uniformly distributed in number, so that the connection is more stable and firm, and the effective operation is ensured.

The utility model can be directly used for the disassembly operation of the parts with the internal threaded holes on the outer end surfaces of the shaft coupling, the tooth joint hand and the fan impeller, and the internal threaded holes matched with the long holes 43 and the second connecting bolts 6 can also be arranged on the outer end surfaces of the parts such as the shaft coupling, the tooth joint hand and the fan impeller.

Taking the gear 7 as an example for description, firstly, a screw rod seat 3 is arranged on a hydraulic cylinder 1 of a hydraulic drawing horse on site through threads 2, a bulge 31 on the screw rod seat 3 is arranged between a group of connecting blocks 41 on a connecting seat 4, 4 first connecting bolts 5 penetrate through a first connecting hole 32 and a second connecting hole 42 and are matched with nuts 9 to connect the screw rod seat 3 with the connecting seat 4, 4 second connecting bolts 6 respectively penetrate through 4 long holes 43 on the connecting seat 4 and are screwed into bolt holes on the outer end face of the gear 7 and screwed, the hydraulic cylinder 1 is rotated to adjust the pushing end of the hydraulic cylinder 1 to be propped against the center position of the shaft 8 end of the device, and then the pushing end of the hydraulic cylinder 1 is pushed out of the hydraulic cylinder 1 through lifting-pressing reciprocating movement, so that the screw rod seat 3, the connecting seat 4 and the gear 7 and the shaft 8 of the device generate relative movement until the gear 7 is pulled out from the shaft 8, and the operation can be completed.

When the utility model is used for dismantling components such as a coupler, a tooth catcher, a fan impeller and the like, the problems that 1, the coupler, the tooth catcher, the fan impeller and the like cannot be hydraulically pulled Ma Cachu due to limited space between the components and an equipment shell, 2, the coupler, the tooth catcher, the fan impeller and the like are complicated, heavy and unrepeatable due to limited space between the components and the equipment shell, 3, the coupler, the tooth catcher, the fan impeller and the like are complex and heavy, and can not be reused, and the produced special clamping fixture can not reach the required strength to cause the failure of dismantling the components due to limited space between the components and the equipment shell, and 4, the time required for dismantling the components such as the coupler, the tooth catcher, the fan impeller and the like is long and the workload is large in maintenance.

Claims (3)

1. A drawing device is characterized by comprising a hydraulic cylinder (1), a screw rod seat (3) and a connecting seat (4), wherein pushing ends of the hydraulic cylinder (1) are sleeved with the screw rod seat (3) through threads (2), a plurality of protrusions (31) are uniformly distributed on the outer wall of the screw rod seat (3), first connecting holes (32) are transversely formed in the protrusions (31) in a penetrating mode, a plurality of connecting blocks (41) are arranged on the upper surface of the connecting seat (4), second connecting holes (42) are transversely formed in the connecting blocks (41) in a penetrating mode, each two connecting blocks (41) are in a group, the number of the connecting blocks (41) is consistent with that of the protrusions (31), the protrusions (31) are arranged between the two connecting blocks (41), the first connecting holes (32) and the second connecting holes (42) are connected through first connecting bolts (5), a plurality of long holes (43) are formed in the connecting seat (4) in a penetrating mode, and second connecting bolts (6) are arranged in the long holes (43) in a penetrating mode.

2. A drawing device according to claim 1, wherein the screw holder (3) is circular and the connecting holder (4) is disc-shaped.

3. A drawing device according to claim 1 or 2, characterized in that the number of projections (31) is four and the number of connection blocks (41) is eight.