CN210586441U

CN210586441U - Draw rifle adapter

Info

Publication number: CN210586441U
Application number: CN201921557317.XU
Authority: CN
Inventors: 杨晨; 朱世荣
Original assignee: Shaanxi Maikun Science And Technology Co ltd
Current assignee: Shaanxi Maikun Science And Technology Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-22
Anticipated expiration: 2029-09-19

Abstract

The utility model provides a draw rifle adapter. The utility model discloses draw rifle adapter, include: the connecting sleeve, the guide cylinder, the elastic component, the clamping component, the structure limiting ring and the check ring; the connecting sleeve is arranged in the guide cylinder and is used for being connected with a pull gun; the connecting sleeve, the elastic part, the clamping part, the structure limiting ring and the check ring are arranged in sequence; the structure limiting ring can move along the guide cylinder; the clamping part is used for clamping the core rod, the clamping part is in a circular truncated cone shape, and the guide cylinder comprises a circular truncated cone-shaped accommodating cavity inside. The utility model discloses realize the convenient installation of plug, it is high to solve prior art well plug installation accuracy requirement, the problem of the easy slope of during operation.

Description

Draw rifle adapter

Technical Field

The utility model relates to a cold intensification technique especially relates to a draw rifle adapter.

Background

At present, in mechanical structures in the fields of aviation, aerospace and the like, structural holes are often subjected to strengthening treatment so as to prolong the fatigue life of airplane structural parts.

Cold strengthening is a common technical means for strengthening a structural hole, and generally, core rod direct extrusion or slotted bushing cold extrusion is adopted for cold strengthening, wherein the core rod direct cold extrusion is to insert a tapered core rod into a hole and then apply force to force the core rod to pass through the hole forcibly. The problems of core rod fracture, hole out-of-tolerance, high roughness and the like easily occur in the direct extrusion of the core rod. The slotted bush cold extrusion is that the conical core rod is forcibly pulled through the stainless steel bush pre-lubricated in the slotted bush cold extrusion, the bush is radially expanded, the periphery of the hole is compressed, and the bush is discarded after the completion. High efficiency, easy implementation and little damage to the hole wall. In the cold strengthening process, a drawing gun is an essential important tool, and the drawing gun drives the core rod to move. The adapter is an indispensable mounting structure on the drawing gun, and the adapter is used for fixing the core rod.

Due to the structural reasons of the common adapter, a rod clamping phenomenon can occur when a core rod is disassembled and assembled, even when the adapter works, the axis of the core rod is not coaxial with a drawing gun due to some reason, so that the drawn core rod is inclined, the core rod can be seriously cut off, the pulling force required by cold strengthening is very large, and if the action occurs, the danger to operators is very large, and the phenomenon is avoided as much as possible; meanwhile, due to the fact that working conditions are varied, the adapter which needs to be used is a special product, and the adapter is not convenient to use on different core rods.

SUMMERY OF THE UTILITY MODEL

The utility model provides a draw rifle adapter for it is more convenient that the installation is dismantled, and the during operation has more the security and guarantees the operating personnel security when installing. Meanwhile, the manufacturing cost is saved, the working period is saved, and the production qualified rate and efficiency are improved.

The utility model provides a draw rifle adapter, include:

the connecting sleeve, the guide cylinder, the elastic component, the clamping component, the structure limiting ring and the check ring;

the connecting sleeve is arranged in the guide cylinder and is used for being connected with a pull gun;

the connecting sleeve, the elastic part, the clamping part, the structure limiting ring and the check ring are arranged in sequence;

the structure limiting ring can move along the guide cylinder;

the clamping part is used for clamping the core rod, the clamping part is in a circular truncated cone shape, and the guide cylinder comprises a circular truncated cone-shaped accommodating cavity inside.

Further, the resilient member is in a compressed state.

Further, the elastic member includes: the spring top cap is arranged on the spring fixing block;

the spring fixing block is used for fixing the first end of the spring, and the second end of the spring is connected with the spring top cap.

Further, the clamping member includes at least two wedges, and the at least two wedges are circumferentially distributed.

Further, the clamping component comprises four wedges, and the four wedges are distributed circumferentially.

Furthermore, the outside of the connecting sleeve is provided with threads, and the connecting sleeve is connected with the guide cylinder through the threads.

Furthermore, the inside screw thread that is provided with of connecting sleeve, connecting sleeve is connected with drawing the rifle through inside screw thread.

Further, the structure spacing ring includes outer ring and inside ring, and inside ring is next to with clamping part, and the outside ring cover is outside at the guide cylinder, and inside ring and outside ring are connected through first connecting portion.

The utility model discloses draw rifle adapter, through clamping part centre gripping plug, make the plug further angle of adjustment and further tighten up at work through elastomeric element and clamping part and guide cylinder cooperation, realize the convenient installation of plug, solve prior art well plug installation accuracy and require highly, the problem of the easy slope of during operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic cross-sectional view of a first embodiment of a lance adapter of the present invention;

FIG. 2 is a schematic structural view of a structural limit ring of the gun adapter of the present invention;

FIG. 3 is a schematic structural view of a clamping member of the adapter of the present invention;

FIG. 4 is a schematic view of the installation of the pull gun and the pull gun adapter of the present invention;

FIG. 5 is a schematic structural view of the gun adapter and the mandrel of the present invention when mounted;

fig. 6 is a schematic structural view of the gun pulling adapter and the mandrel of the present invention during operation.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Fig. 1 is a schematic cross-sectional view of a first embodiment of a lance adapter according to the present invention;

in this embodiment, a draw rifle adapter includes:

the device comprises a connecting sleeve 1, a guide cylinder 2, elastic components (3, 4), a clamping component 5, a structure limiting ring 6 and a retainer ring 8;

the connecting sleeve 1 is arranged in the guide cylinder 2, and the connecting sleeve 1 is used for being connected with a pull gun;

the connecting sleeve 1, the elastic components (3 and 4), the clamping component 5, the structure limiting ring 6 and the retainer ring 8 are arranged in sequence;

the clamping component 5 is used for clamping the core rod;

the structure spacing ring 6 can move along the guide cylinder, the clamping part 5 is in a round table shape, and the guide cylinder 2 internally comprises a round table-shaped accommodating cavity.

Optionally, the elastic member includes: spring fixed block 3, spring 7 and spring top cap 4, spring fixed block 3 is used for fixed spring 7's first end, spring 7's second end and spring top cap 4 are connected.

In this embodiment, the connection sleeve is used to connect with the pull gun 20, and as shown in fig. 4, the pull gun adapter 10 is connected with the pull gun 20 in actual use.

Optionally, the connection sleeve of the pull gun adapter 10 is internally provided with threads, and the connection sleeve is connected with the pull gun 20 through the internal threads.

In this embodiment, the guide cylinder, i.e., the housing, is disposed outside the connection sleeve and connected to the connection sleeve, optionally, the connection sleeve is externally provided with a thread, and the connection sleeve is connected to the guide cylinder through the thread.

In this embodiment, the structure spacing ring is adjacent to the clamping component, and the retaining ring is used for blocking the structure spacing ring at one end, and the retaining ring is immovable. In this embodiment, the retaining ring and the structure limiting ring compress the clamping component and the elastic component, so that the elastic component is in a compressed state. The clamping member is urged by a spring to abut the structural stop collar.

In this embodiment, the retainer ring may be installed in the sleeve, or may be integrally formed with the sleeve, that is, may be a part of the sleeve.

In this embodiment, the clamping member is circular truncated cone-shaped, and the guide cylinder includes a circular truncated cone-shaped accommodating cavity therein. In this embodiment, the diameter of clamping part one end is little, and the diameter of the other end is big, and the structure is also matchd with the shape of clamping part in the guide cylinder.

Optionally, as shown in fig. 2, the clamping member may include four wedges, the four wedges are combined into a truncated cone-shaped clamping member, the four wedges are circumferentially distributed, the middle of the clamping member includes a hollow hole, the hollow hole may be a cylinder, and the hole wall may also include a groove for clamping the core rod.

In the embodiment, the inner walls of the four wedges lock the core rod with the core rod in a working state, and the connecting sections of the wedges and the core rod have the same curvature, so that the wedges can be attached without gaps, and the coaxiality of the core rod and the pull gun is ensured.

In this embodiment, the four wedges of the clamping member are in the shape of a circular truncated cone, and the middle of the clamping member includes a hollow hole. When the gun is started, the wedge blocks move at a low speed, and the four wedge blocks slide along the inclined planes with certain taper in the guide cylinder, so that the concentricity of the core rod can be ensured to be within a certain range when the core rod is locked.

In this embodiment, the structural stop collar is movable along the sleeve; specifically, the limiting ring of the structure shown in fig. 3 includes an outer ring and an inner ring, the inner ring is adjacent to the clamping member and used for limiting the position of the clamping member, the outer ring is sleeved outside the guide cylinder 2, and the inner ring and the outer ring are connected through a first connecting portion. Correspondingly, the guide cylinder is provided with a first matching groove, so that the structure limiting ring can be sleeved on the guide cylinder.

Optionally, the first connection portion comprises two symmetrical connection portions.

Optionally, the outer ring may be provided with a compression portion for facilitating handling by a tool or a worker.

FIG. 5 is a schematic structural view of the gun adapter and the mandrel of the present invention when mounted; fig. 6 is a schematic structural view of the gun pulling adapter and the mandrel of the present invention during operation. Referring to fig. 5 and 6, in this embodiment, the structural position-limiting ring can move along the sleeve, when the mandrel is installed, the structural position-limiting ring is pressed towards the clamping part, the clamping part moves to the end with the larger diameter of the guide cylinder due to the compression of the spring, the opening of the clamping part is maximized, the mandrel is installed on the adapter, the structural position-limiting ring is released, and the structural position-limiting ring and the clamping part return. However, the self-return cannot achieve the locking state, when the pull gun starts to work, the core rod of the adapter is pulled to move inwards, meanwhile, the core rod is subjected to opposite acting force when working, and under the action of the spring, the clamping component is further tightened to clamp the core rod.

In this embodiment, the resilient member is in a compressed state when the adapter is not in operation.

The number of wedges in this embodiment may also be two, or three, or more.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A lance adapter, comprising:

the structure limiting ring can move along the guide cylinder;

2. The lance adapter of claim 1,

the resilient member is in a compressed state.

3. The lance adapter of claim 1,

the elastic member includes: the spring top cap is arranged on the spring fixing block;

4. The lance adapter according to any one of claims 1 to 3,

the clamping component comprises at least two wedges, and the at least two wedges are distributed circumferentially.

5. The lance adapter according to any one of claims 1 to 3,

the clamping component comprises four wedges, and the four wedges are distributed circumferentially.

6. The lance adapter according to any one of claims 1 to 3,

the connecting sleeve is externally provided with threads and is connected with the guide cylinder through the threads.

7. The lance adapter according to any one of claims 1 to 3,

the connecting sleeve is internally provided with threads and is connected with the pull gun through the internal threads.

8. The lance adapter of claim 4,

the structure spacing ring comprises an outer ring and an inner ring, the inner ring is close to the clamping part, the outer ring is sleeved outside the guide cylinder, and the inner ring and the outer ring are connected through a first connecting part.