CN220056166U

CN220056166U - Duckbill jack

Info

Publication number: CN220056166U
Application number: CN202321652737.2U
Authority: CN
Inventors: 王晓宗
Original assignee: Shandong Huiju Hydraulic Machinery Manufacturing Co ltd
Current assignee: Shandong Huiju Hydraulic Machinery Manufacturing Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-21
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a duckbill jack, which relates to the technical field of jacks and comprises two arc-shaped plates, wherein U-shaped stranding plates are fixedly arranged on the inner sides of the two arc-shaped plates, first connecting arms are rotatably arranged at the side end parts of each U-shaped stranding plate, and the same bottom plate is rotatably arranged at the top ends of the two first connecting arms. According to the duckbill jack disclosed by the utility model, the bottom end of the connector is enabled to rotate along the surface of the rubber pad, after the bottom end of the connector is enabled to be mutually matched with the first lantern ring through continuous rotation, the extrusion fixation of the first lantern ring and the rubber pad to the connector is released, meanwhile, the fixation state of the first lantern ring to the second lantern ring is also released, the second lantern ring drives the connector to leave the top end of the first lantern ring through pulling the second lantern ring upwards, and when the second lantern ring is damaged, the second lantern ring can be quickly detached from the top end of the pipeline for replacement.

Description

Duckbill jack

Technical Field

The utility model relates to the technical field of jacks, in particular to a duckbill jack.

Background

In the field of non-excavation restoration, aiming at the position of a pipeline structure subjected to extrusion deformation, the deformed position is generally extruded and molded through a hydraulic device, but a jack supports the deformed position inside the pipeline through the action force of a hydraulic cylinder vertical to the ground upwards, the inner wall of the pipeline can be reversely extruded, and the expansion amplitude of the hydraulic device is limited due to the small inner space of the pipeline, so that the bearing moment is limited, and the use limitation is very large.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the duckbill jack, which solves the technical problems that the inner wall of a pipeline can be reversely extruded by the deformed part in the pipeline supported by the action force of the hydraulic cylinder vertical to the ground, and the expansion amplitude of a hydraulic device is limited due to the small inner space of the pipeline, so that the bearing moment is limited, and the use limitation is very large.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the duckbill jack comprises two arc plates, wherein the inner sides of the two arc plates are fixedly provided with U-shaped stranding plates, the side end parts of each U-shaped stranding plate are rotatably provided with first connecting arms, the top ends of the two first connecting arms are rotatably provided with the same bottom plate, the top ends of the bottom plates are fixedly provided with hydraulic rods, and the top ends of the hydraulic rods are fixedly provided with supporting plates;

after the hydraulic rod contracts, the first connecting arm is driven to deflect the U-shaped twisted plate, and the tail end of the arc-shaped plate is closed.

Preferably: a second connecting arm is fixedly arranged on the inner side of each arc-shaped plate above the U-shaped twisted plate;

wherein the top ends of the two second connecting arms rotate at the side end parts of the supporting plate, and two fixing blocks are fixedly arranged on the surface of the supporting plate for connecting the arc-shaped plate

The top of every the fixed block is all fixed mounting has the pipeline, and every the top of pipeline is all slidable mounting has the second lantern ring.

Preferably: a first lantern ring is fixedly arranged at the top end of each fixed block positioned at the outer side of the pipeline, and at least two rubber pads are fixedly arranged at the inner side of each first lantern ring;

the second lantern rings are downwards inserted into the top ends of the pipelines, and meanwhile, the bottom ends of the second lantern rings are flush with the top ends of the first lantern rings, and connectors are fixedly arranged at the bottom ends of each second lantern ring;

wherein, every the connector all mutually agrees with first lantern ring, rotates the back, cooperates the extrusion of rubber pad to fix the second lantern ring.

(III) beneficial effects

1. The U-shaped twisted plate is driven by the first connecting arm to deflect the side end part of the supporting plate, the tail ends of the arc plates are mutually expanded, the supporting force is improved under the cooperation of the first connecting arm and the U-shaped twisted plate, the process of the first connecting arm after one end is rotated is further, and higher opening and closing force and range are provided for the arc plates under the condition that the volume is not changed.

2. Let the bottom of connector rotate along the surface of rubber pad, through the rotation that continues, let the bottom of connector and first lantern ring mutually agree with the back, it is fixed to the extrusion of connector to remove first lantern ring and rubber pad, also remove the fixed state of first lantern ring to the second lantern ring simultaneously, through upwards pulling the second lantern ring, let the second lantern ring drive the top that the connector left first lantern ring, when the second lantern ring took place to damage, can dismantle the second lantern ring from the top of pipeline fast, change.

Drawings

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

FIG. 1 is a block diagram of an arcuate plate of the present utility model;

FIG. 2 is a block diagram of a U-shaped twisted plate of the present utility model;

FIG. 3 is a structural view of a support plate of the present utility model;

fig. 4 is a structural view of the connector of the present utility model.

Legend description: 1. an arc-shaped plate; 11. u-shaped twisted plates; 12. a first connecting arm; 13. a hydraulic rod; 14. a second connecting arm; 15. a support plate; 16. a bottom plate; 17. a fixed block; 18. a first collar; 19. a rubber pad; 21. a pipe; 22. a connector; 23. and a second collar.

Detailed Description

According to the embodiment of the utility model, the duckbill jack is provided, so that the problem that the deformation part inside the pipeline is supported by the action force of the hydraulic cylinder vertical to the ground is solved, the inner wall of the pipeline is reversely extruded, the inner space of the pipeline is smaller, the unfolding amplitude of the hydraulic device is limited, the bearing moment is limited, the use limitation is very large, the first connecting arm deflects at the side end of the bottom plate, one end of the first connecting arm rotates in the U-shaped twisted plate, meanwhile, the first connecting arm is connected with the arc plate at one side in a single piece, the first connecting arm is not easy to fall off, the service life is prolonged, the first connecting arm generates an pushing force on the U-shaped twisted plate, the arc plate drives the second connecting arm to deflect at the side end of the supporting plate, the tail ends of the arc plates are mutually expanded, meanwhile, the supporting force is further increased under the cooperation of the first connecting arm and the U-shaped twisted plate, and the process after one end of the first connecting arm rotates is provided with higher stretching force and range for the arc plate.

Examples

The technical scheme of the embodiment of the utility model aims to effectively solve the technical problems that the deformation part in the pipeline is supported by the action force of the hydraulic cylinder vertical to the ground, the inner wall of the pipeline is reversely extruded, the expansion amplitude of the hydraulic device is limited due to the small space in the pipeline, the bearing moment is limited, and the use limitation is very large, and the general thinking is as follows:

aiming at the problems existing in the prior art, the utility model provides a duckbill jack, which comprises two arc plates 1, wherein U-shaped stranding plates 11 are fixedly arranged on the inner sides of the two arc plates 1, first connecting arms 12 are rotatably arranged on the side end parts of each U-shaped stranding plate 11, the same bottom plate 16 is rotatably arranged on the top ends of the two first connecting arms 12, hydraulic rods 13 are fixedly arranged on the top ends of the bottom plates 16, and supporting plates 15 are fixedly arranged on the top ends of the hydraulic rods 13; the first connecting arm 12 is deflected at the side end of the bottom plate 16, one end of the first connecting arm 12 rotates in the U-shaped twisted plate 11, meanwhile, the first connecting arm 12 is connected with the arc plate 1 at one side in a single piece, the first connecting arm 12 is not easy to fall off, the service life is prolonged, the U-shaped twisted plate 11 is more wear-resistant, the first connecting arm 12 generates a pushing force, the arc plate 1 drives the second connecting arm 14 to deflect at the side end of the supporting plate 15, the tail ends of the arc plates 1 are mutually expanded, the supporting force is improved under the cooperation of the first connecting arm 12 and the U-shaped twisted plate 11,

after the hydraulic rod 13 contracts, the first connecting arm 12 is driven to deflect the U-shaped twisted plates 11, the tail ends of the arc plates 1 are closed, and the inner side of each arc plate 1 above the U-shaped twisted plates 11 is fixedly provided with a second connecting arm 14;

the top ends of the two second connecting arms 14 rotate at the side end parts of the supporting plate 15, two fixing blocks 17 are fixedly arranged on the surface of the arc-shaped plate 1 for connecting the supporting plate 15, the top ends of the fixing blocks 17 are fixedly provided with pipelines 21, the top ends of the pipelines 21 are respectively and slidably provided with a second lantern ring 23, the second lantern ring 23 rotates at the top ends of the pipelines 21 by rotating the second lantern ring 23, meanwhile, the second lantern ring 23 drives the connector 22 to rotate at the inner side of the first lantern ring 18, the bottom end of the connector 22 rotates along the surface of the rubber pad 19, after the bottom end of the connector 22 and the first lantern ring 18 are mutually matched through continuous rotation, the extrusion fixation of the first lantern ring 18 and the rubber pad 19 on the connector 22 is released,

the device is characterized in that the top end of each fixed block 17 positioned on the outer side of the pipeline 21 is fixedly provided with a first lantern ring 18, and the inner side of each first lantern ring 18 is fixedly provided with at least two rubber pads 19;

the second collars 23 are inserted downwards into the top ends of the pipes 21, and the bottom ends of the second collars 23 are flush with the top ends of the first collars 18, and the bottom ends of each second collar 23 are fixedly provided with a connector 22;

each connector 22 is engaged with the first collar 18, and after rotation, the second collar 23 is fixed by pressing the rubber pad 19.

Working principle:

the first step, put into impaired pipeline inside with arc 1 during the use, stretch out and draw back through control hydraulic stem 13, let fixed block 17 remove at the side tip of backup pad 15, let fixed block 17 drive bottom plate 16 to one side remove, first linking arm 12 rotates at the both sides tip of bottom plate 16 simultaneously, at this moment bottom plate 16 transmits a thrust to two first linking arms 12, let first linking arm 12 deflect at the side tip of bottom plate 16, simultaneously the one end of first linking arm 12 rotates in the inside of U type hank board 11, simultaneously first linking arm 12 is the monolithic with the arc 1 of one side, be difficult for droing, more wear-resisting extension life, produce an impetus through first linking arm 12 to U type hank board 11, let arc 1 drive second linking arm 14 deflect at the side tip of backup pad 15, let the end of arc 1 expand each other, simultaneously under the cooperation of first linking arm 12 and U type hank board 11, improve the dynamics of supporting, let the progress behind first linking arm 12 one end rotate, under the condition that does not change, for the more high degree of fit of arc and the range of change of arc 1.

In the second step, in the use, through rotating second lantern ring 23, let second lantern ring 23 rotate on the top of pipeline 21, simultaneously second lantern ring 23 drive connector 22 rotate in the inboard of first lantern ring 18, let the bottom of connector 22 rotate along the surface of rubber pad 19, through continuing the rotation, after making the bottom of connector 22 and first lantern ring 18 mutually agree, release the extrusion fixed of first lantern ring 18 and rubber pad 19 to connector 22, simultaneously also release the fixed state of first lantern ring 18 to second lantern ring 23, through pulling second lantern ring 23 upwards, let second lantern ring 23 drive connector 22 leave the top of first lantern ring 18, when second lantern ring 23 takes place to damage, can dismantle second lantern ring 23 from the top of pipeline 21 fast, change.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. The duckbill jack is characterized by comprising two arc plates (1), wherein U-shaped stranding plates (11) are fixedly arranged on the inner sides of the two arc plates (1), first connecting arms (12) are rotatably arranged at the side end parts of each U-shaped stranding plate (11), the same bottom plate (16) is rotatably arranged at the top ends of the two first connecting arms (12), hydraulic rods (13) are fixedly arranged at the top ends of the bottom plate (16), and supporting plates (15) are fixedly arranged at the top ends of the hydraulic rods (13);

after the hydraulic rod (13) contracts, the first connecting arm (12) is driven to deflect the U-shaped twisted plate (11) so that the tail end of the arc-shaped plate (1) is closed.

2. Duckbill jack according to claim 1, characterized in that a second connecting arm (14) is fixedly mounted on the inside of each of the curved plates (1) above the U-shaped winch plate (11);

wherein, the top ends of two second connecting arms (14) rotate at the side end parts of the supporting plate (15) to connect the arc-shaped plates (1).

3. Duckbill jack according to claim 2, wherein the surface of the support plate (15) is fixedly provided with two fixing blocks (17).

4. A duckbill jack according to claim 3, wherein the top end of each of said fixed blocks (17) is fixedly fitted with a tube (21), and the top end of each of said tubes (21) is slidably fitted with a second collar (23).

5. A duckbill jack according to claim 3, wherein a first collar (18) is fixedly mounted on the top end of each of said fixed blocks (17) located outside the pipe (21), and at least two rubber pads (19) are fixedly mounted on the inner side of each of said first collars (18);

wherein the second collar (23) is inserted down into the top end of the pipe (21) while the bottom end of the second collar (23) is flush with the top end of the first collar (18).

6. A duckbill jack according to claim 4, wherein a connector (22) is fixedly mounted to the bottom end of each second collar (23);

wherein each connector (22) is mutually engaged with the first collar (18), and after rotation, the second collar (23) is fixed by being matched with the extrusion of the rubber pad (19).