CN106089687A - A kind of reciprocating motion connecting elements - Google Patents

Abstract

The present invention relates to movement transferring field, particularly relate to a kind of reciprocating motion connecting elements, including: frame, frame is provided with upper guide plate and bottom guide, upper guide plate is oppositely arranged with bottom guide, and is formed with slideway；Crosshead, crosshead is provided with contact surface, the first connecting hole and the second connecting hole, and contact surface is rectangle plane；Crosshead is arranged in slideway, crosshead and slideway are plane contact, crosshead contact surface is rectangle, contact surface and slideway are plane contact, the processing technique making crosshead and slideway is simple, improves the contact area of crosshead and slideway simultaneously, reduces ratio pressure value, thus reducing the abrasion of contact surface, the contact surface of planar shaped makes the reparation of contact surface after abrasion convenient.

Description

Reciprocating motion connecting component

Technical Field

The invention relates to the field of motion transmission mechanisms, in particular to a reciprocating motion connecting component.

Background

The crosshead is a part for connecting a piston (plunger) and a connecting rod, the guide plate is used for guiding and positioning the crosshead, has a reciprocating motion guiding function, is a pair of main friction pairs and is a key reciprocating motion stressed part. The size of the contact surface between the crosshead and the guide plate is the precondition for ensuring reliable stress.

The crosshead and the slideway or the crosshead and the slideway hole of the frame used at present are circular contact surfaces, the maximum actual contact surface of two circular parts is more than 70% of the area of the contact surface, and the actual contact surface can only reach 50-60% under the common condition.

The contact surface between the crosshead and the slideway is small, and the specific pressure value is large, so the crosshead is easily worn. The problem of the crosshead and the problem of the specific pressure value of slide are guaranteed to it is little to solve the crosshead and the slide contact surface, and prior art adopts the material performance that improves crosshead, slide more, or increases the size etc. of crosshead, slide. These measures not only increase the production cost and make the repair of the circular contact surface after wear very difficult, but also increase the use cost.

Therefore, a reciprocating connecting component is urgently needed to appear in the market, so that the contact area between the crosshead and the slideway is increased, the specific pressure value is reduced, and the problems that the contact surface between the crosshead and the slideway is seriously abraded and is difficult to repair are solved.

Disclosure of Invention

The invention aims to provide a reciprocating motion connecting component, which solves the problems that the contact area of a lower crosshead and a slideway is small, the specific pressure value is large, the contact surface of the crosshead and the slideway is seriously abraded and is difficult to repair.

In order to achieve the purpose, the invention provides the following scheme: a reciprocating connecting member comprising:

the device comprises a rack, a guide plate and a guide plate, wherein an upper guide plate and a lower guide plate are arranged on the rack, the upper guide plate and the lower guide plate are arranged oppositely, and a slide way is formed;

the crosshead is provided with a contact surface, a first connecting hole and a second connecting hole, and the contact surface is a rectangular plane;

the crosshead is arranged in the slideway, and the crosshead is in plane contact with the slideway.

Preferably, the guide plate is connected with the frame through a fastener.

Preferably, a cover plate is arranged on one side of the frame.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the cross head contact surface is the rectangle, and the contact surface is plane contact with the slide for the processing technology of cross head and slide is simple, has improved the area of contact of cross head with the slide simultaneously, has reduced the specific pressure value, thereby has reduced the wearing and tearing of contact surface, and the contact surface of plane shape makes the restoration to wearing and tearing back contact surface more convenient.

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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of a reciprocating coupling member and surrounding coupling members in accordance with an embodiment of the present invention;

wherein, 1-crosshead, 2-upper guide plate, 3-upper guide plate adjusting pad, 4-lower guide plate, 5-lower guide plate adjusting pad, 6-contact surface, 7-first connecting hole, 8-second connecting hole, 9-frame, 10-connecting rod, 11-intermediate rod, 12-crosshead pin and 13-cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a reciprocating connecting member and a surrounding connecting member according to an embodiment of the present invention.

The invention aims to provide a reciprocating motion connecting component, which solves the problems that the contact area of a lower crosshead and a slideway is small, the specific pressure value is large, the contact surface of the crosshead and the slideway is seriously abraded and is difficult to repair.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As can be seen from fig. 1, the present invention provides a reciprocating connecting member comprising a crosshead 1, an upper guide plate 2, an upper guide plate adjustment pad 3, a lower guide plate 4, a lower guide plate adjustment pad 5, a contact surface 6, a first connecting hole 7, a second connecting hole 8, a frame 9, a connecting rod 10, an intermediate rod 11, a crosshead pin 12, and a cover plate 13.

Wherein,

the device comprises a rack 9, wherein an upper guide plate 2 and a lower guide plate 4 are arranged on the rack 9, the upper guide plate 2 and the lower guide plate 4 are arranged oppositely and form a slide way, and the upper guide plate 2 and the lower guide plate 4 are of a planar structure;

the crosshead 1 is provided with a contact surface 6, a first connecting hole 7 and a second connecting hole 8, the contact surface 6 is a rectangular plane, the first connecting hole 7 is used for installing a connecting rod 10, and the second connecting hole 8 is used for installing an intermediate rod 11;

crosshead 1 sets up in the slide, crosshead 1 is the plane contact with the slide, thereby the actual area of contact between crosshead 1 and the slide has been improved, current processing technology can guarantee that the actual area of contact of crosshead 1 and slide > 90%, crosshead 1 when moving in the slide, because actual area of contact increases, the specific pressure value of contact surface department reduces, thereby contact surface's wearing and tearing have been reduced, make contact surface wearing and tearing even simultaneously, avoid appearing the serious problem of local eccentric wear, furthermore, crosshead 1 and upper guide 2 and/or lower guide 4 are behind the wearing and tearing, repair process to friction surface is simple, be favorable to the make full use of part, and then improve crosshead 1 and upper guide 2 and/or lower guide 4's life.

Wherein,

be provided with between upper guide 2 and the frame 9 and go up the baffle adjustment pad 3, be provided with between lower guide 4 and the frame 9 and go up baffle adjustment pad 5, after taking place wearing and tearing between new cross head 1 or cross head 1 and the slide, can adjust the fit clearance of slide and cross head 1 through the thickness that changes upper guide adjustment pad 3 and/or lower baffle adjustment pad 5 to guarantee cross head 1 and slide full contact.

The upper guide plate 2 is connected with the frame 9 through a fastener.

Frame 9 one side is provided with apron 13, and apron 13 sets up in frame 9 that is close to upper guide 2 one side, when needing to change or maintain the structure of reciprocating motion connecting element, can open apron 13, demolish upper guide 2, jigger crosshead 1 to upper guide 2 mounted position, take out parts such as crosshead 1 and crosshead pin 12, connecting rod 10 from apron 13, and easy operation is swift.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (3)

1. A reciprocating coupling member, comprising:

the device comprises a rack, a guide plate and a guide plate, wherein an upper guide plate and a lower guide plate are arranged on the rack, the upper guide plate and the lower guide plate are arranged oppositely, and a slide way is formed;

the crosshead is provided with a contact surface, a first connecting hole and a second connecting hole, and the contact surface is a rectangular plane;

the crosshead is arranged in the slideway, and the crosshead is in plane contact with the slideway.

2. A reciprocating coupling member as defined in claim 1, wherein: the upper guide plate is connected with the rack through a fastener.

3. A reciprocating coupling member as defined in claim 1, wherein: a cover plate is arranged on one side of the rack.