CN220581970U - On-line remedying structure for damaged metal expansion joint - Google Patents

Abstract

The utility model relates to the technical field of maintenance equipment, and aims to solve the defect that pipelines in front of and behind a metal expansion joint cannot be fixed in the prior art, so that pipeline vibration influences the repair construction of the expansion joint.

Description

On-line remedying structure for damaged metal expansion joint

Technical Field

The utility model relates to the technical field of maintenance equipment, in particular to an online remedying structure for a damaged metal expansion joint.

Background

The metal expansion joint is a mechanical compensation device used in structures such as pipelines, containers and equipment, and has the main function of absorbing and compensating stress and deformation caused by thermal expansion and contraction or mechanical movement when the temperature or other factors cause dimensional changes.

The metal expansion joint is often damaged and leaked due to various reasons in the use process, and the damaged metal expansion joint is generally replaced as a whole. However, in some cases, the expansion joint cannot be replaced due to the importance of the pipe medium, and thus online repair is required. In the prior art, although the online remedying structure (publication number: CN 206246910U) for the damaged metal expansion joint can realize the restoration of the damaged expansion joint without stopping and replacing the whole expansion joint, the pipeline can vibrate in the conveying process, the equipment can not well fix the pipeline before and after the expansion joint, and the remedying construction of maintenance personnel on the expansion joint is affected, so that the online remedying structure for the damaged metal expansion joint capable of clamping and fixing the pipeline is needed to be designed.

Disclosure of Invention

The utility model aims to solve the defect that the pipeline before and after a metal expansion joint cannot be fixed in the prior art, so that the pipeline vibration influences the repairing construction of the expansion joint, and provides an online repairing structure for the damaged metal expansion joint.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an on-line remedy structure for damaged metal expansion joint, includes the base, the base top is equipped with two sets of fixed subassembly, every group fixed subassembly includes two clamping mechanism and elevating system, two clamping mechanism is the symmetry and sets up in elevating system two opposite sides, clamping mechanism includes intermittent gear, pendulum rod, clamp splice and fastening bolt, pendulum rod one end and intermittent gear's rotation center fixed mounting, fastening bolt one end pass the pendulum rod surface and rather than threaded connection, clamp splice one side is rotated and is installed in fastening bolt one end.

As a further technical scheme of the utility model, the other side of each clamping block is arc-shaped in a groove shape, the surface of each clamping block is provided with anti-skid patterns, and each clamping block is made of rubber materials.

As a further technical scheme of the utility model, the lifting mechanism comprises a supporting seat, and racks are fixedly arranged on two opposite sides of the supporting seat.

As a further technical scheme of the utility model, the top of each supporting seat is provided with a V-shaped groove, and the inner wall of each V-shaped groove is fixedly provided with a rubber sheet.

As a further technical scheme of the utility model, two hydraulic cylinders are fixedly arranged at the top of the base, and telescopic ends of the two hydraulic cylinders are fixedly arranged at the bottom of the supporting seat.

As a further technical scheme of the utility model, a plurality of protruding blocks are fixedly arranged at the top of the base, a main gear is rotatably arranged on one side of each protruding block, each intermittent gear is rotatably arranged on one side of the corresponding protruding block, and each main gear is respectively meshed with the corresponding rack and the corresponding intermittent gear.

As a further technical scheme of the utility model, a plurality of locking universal wheels are fixedly arranged at the bottom of the base.

The beneficial effects of the utility model are as follows:

the pipeline at the front end and the rear end of the metal expansion joint can be limited and fixed simultaneously through the two groups of fixing components, the supporting seat supports the pipeline under the jacking of the hydraulic cylinder, the acting force of the pipeline to the expansion joint is reduced, the two clamping mechanisms of each group of fixing components clamp and fix the surfaces of the two sides of the pipeline simultaneously, vibration of the pipeline during working is reduced, the expansion joint is further enabled to be more stable in a remediation process, and maintenance personnel can operate conveniently.

Drawings

FIG. 1 is a schematic view of an on-line remedying structure for a broken metal expansion joint according to the present utility model;

FIG. 2 is a schematic view of a part of an on-line remedying structure for a broken metal expansion joint according to the present utility model;

FIG. 3 is a schematic view of a fastening mechanism for an online remedying structure of a broken metal expansion joint according to the present utility model.

In the figure: 1. a base; 2. locking the universal wheel; 3. a bump; 4. an intermittent gear; 5. swing rod; 6. a support base; 7. a hydraulic cylinder; 8. a main gear; 9. a rack; 10. clamping blocks; 11. and (5) fastening a bolt.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, an on-line remedying structure for broken metal expansion joints comprises a base 1, wherein two groups of fixing components are arranged at the top of the base 1, each group of fixing components comprises two clamping mechanisms and a lifting mechanism, the two clamping mechanisms are symmetrically arranged on two opposite sides of the lifting mechanism, each clamping mechanism comprises an intermittent gear 4, a swinging rod 5, a clamping block 10 and a fastening bolt 11, one end of the swinging rod 5 is fixedly arranged at the rotation center of the intermittent gear 4, one end of the fastening bolt 11 penetrates through the surface of the swinging rod 5 and is in threaded connection with the surface of the swinging rod, one side of the clamping block 10 is rotatably arranged at one end of the fastening bolt 11, the other side of each clamping block 10 is arc-shaped, anti-skid patterns are arranged on the surface of the clamping block, each clamping block 10 is made of rubber materials, and the clamping blocks 10 are made of rubber materials which have excellent elasticity and flexibility and can quickly recover the original shape after being stressed. This makes rubber can absorb impact and vibration, reduces stress concentration, damping noise and reduction mechanical damage, has higher plasticity and adaptability simultaneously, can customize into various shapes and sizes as required, and the cost is cheap, through the setting of this equipment, can be when remedying damaged metal expansion joint, carry out spacing fixedly to the pipeline at its both ends simultaneously to play absorbing effect, the pipeline that the table is avoiding working produces vibrations and influences maintenance personal's operation.

Referring to fig. 2, in a preferred embodiment, the lifting mechanism includes a supporting seat 6, racks 9 are fixedly mounted on two opposite sides of the supporting seat 6, a V-shaped groove is formed at the top of each supporting seat 6, rubber is fixedly mounted on the inner wall of the V-shaped groove, two hydraulic cylinders 7 are fixedly mounted at the top of the base 1, telescopic ends of the two hydraulic cylinders 7 are fixedly mounted at the bottom of the supporting seat 6, a V-shaped groove is formed at the top of the supporting seat 6, so that the lifting mechanism is beneficial to being suitable for pipelines with various diameters, the practicability of the device is improved, the lifting mechanism is arranged to play a supporting role on the pipelines, the shaking of the repairing process is reduced, meanwhile, the acting force of the pipelines on the expansion joint is reduced, and repair of damaged metal expansion joints is better assisted by maintainers.

Referring to fig. 1, in a preferred embodiment, a plurality of bumps 3 are fixedly mounted on the top of a base 1, a main gear 8 is rotatably mounted on one side of each bump 3, each intermittent gear 4 is rotatably mounted on one side of the corresponding bump 3, each main gear 8 is respectively meshed with a corresponding rack 9 and the corresponding intermittent gear 4, a plurality of locking universal wheels 2 are fixedly mounted on the bottom of the base 1, and the lifting mechanism can be driven to approach a pipeline while the lifting mechanism is enabled to operate by arranging the main gears 8, so that linkage consistency of equipment is improved, and the locking universal wheels 2 have a braking function by arranging the plurality of locking universal wheels 2.

Working principle: when the device is used, the device is placed under the damaged metal expansion joint, the two hydraulic cylinders 7 are started to lift the supporting seats 6, the pipelines at the two ends of the damaged metal expansion joint are respectively located in the V-shaped grooves of the two supporting seats 6, the supporting seats 6 are lifted to drive the racks 9 to move upwards, the racks 9 drive the main gear 8 to rotate, the main gear 8 drives the intermittent gear 4 to rotate, then the swing rod 5 is driven to swing obliquely upwards, and the pipelines are clamped by adjusting the distance between the clamping blocks 10 and the pipelines through adjusting the fastening bolts 11.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides an on-line remedying structure for damaged metal expansion joint, includes base (1), its characterized in that, base (1) top is equipped with two sets of fixed subassembly, every group fixed subassembly includes two clamping mechanism and elevating system, two clamping mechanism is the symmetry and sets up in elevating system opposite side, clamping mechanism includes intermittent gear (4), pendulum rod (5), clamp splice (10) and fastening bolt (11), pendulum rod (5) one end and intermittent gear (4) rotation center fixed mounting, fastening bolt (11) one end pass pendulum rod (5) surface and rather than threaded connection, clamp splice (10) one side rotation is installed in fastening bolt (11) one end.

2. An on-line remedying structure for broken metal expansion joints according to claim 1, characterized in that the other side of each clamping block (10) is arc-shaped in groove, the surface of which is provided with anti-skid patterns, and each clamping block (10) is made of rubber material.

3. An on-line remedying structure for broken metal expansion joints according to claim 2, characterised in that said lifting mechanism comprises a support seat (6), said support seat (6) being fixedly fitted with racks (9) on both opposite sides.

4. An on-line remedying structure for broken metal expansion joints according to claim 3, wherein each supporting seat (6) is provided with a V-shaped groove at the top, and the inner wall of the V-shaped groove is fixedly provided with a rubber sheet.

5. The online remedying structure for broken metal expansion joints according to claim 4, wherein the two hydraulic cylinders (7) are fixedly arranged at the top of the base (1), and the telescopic ends of the two hydraulic cylinders (7) are fixedly arranged at the bottom of the supporting seat (6).

6. An on-line remedying structure for broken metal expansion joints according to claim 1, characterized in that said base (1) has a plurality of projections (3) fixedly mounted on the top thereof, a main gear (8) is rotatably mounted on one side of each of said projections (3), each of said intermittent gears (4) is rotatably mounted on one side of the corresponding projection (3), and each of said main gears (8) is engaged with the corresponding rack (9) and intermittent gear (4), respectively.

7. An on-line remedying structure for broken metal expansion joints according to claim 6 is characterized in that a plurality of locking universal wheels (2) are fixedly arranged at the bottom of the base (1).