CN217873538U

CN217873538U - Hydraulic piston rod convenient for detecting surface scratches

Info

Publication number: CN217873538U
Application number: CN202222099223.0U
Authority: CN
Inventors: 张龙伟; 何广义; 张辉
Original assignee: Yantai Shanhe Hydraulic Parts Co ltd
Current assignee: Yantai Shanhe Hydraulic Parts Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-22
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a conveniently detect hydraulic piston rod of surface scratch, relate to the technical field of piston rod surface preparation, including the end cap, the connecting block, the piston cylinder, the sleeve, piston rod body and piston device, piston device's outer wall and the inner wall sliding connection of piston cylinder, the one end fixedly connected with gim peg of piston rod body, one side and the piston device laminating of gim peg, piston device is including cup jointing in the first piston board and the second piston board on piston rod body surface, the second piston board is located one side of first piston board, the quiet sealing ring of inside fixedly connected with second of second piston board, the quiet sealing ring of second and the laminating of piston rod body, piston rod body and the taking out of piston device have been made things convenient for through piston cylinder both ends end cap and telescopic design to the design of this application, piston rod body surface passes through the basal layer, the layered design of transition layer and working layer, the knowing piston rod body surface scratch degree of depth that can understand, increase the security of piston rod body use.

Description

Hydraulic piston rod convenient for detecting surface scratches

Technical Field

The utility model relates to a technical field of piston rod surface preparation, more specifically say, relate to a conveniently detect hydraulic piston rod of surperficial scratch.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion, has the advantages of simple structure, reliable work and the like, and is widely applied to hydraulic systems of large equipment such as engineering machinery, marine equipment and the like. In the working process, the piston rod needs to perform frequent reciprocating telescopic motion, the surface of the piston rod is in contact with the medium of the surrounding working environment for a long time, and particularly in the working environment containing corrosive media such as acid-base, high-salt and high-humidity, the surface of the piston rod is easy to lose effectiveness such as pitting corrosion and corrosion, and further faults such as oil leakage and clamping stagnation of the hydraulic cylinder are caused, so that the working reliability and safety of large-scale equipment are influenced.

Utility model with publication number CN213511462U discloses a high rigidity chromium plating hydraulic piston rod, comprising a cylinder body, the middle internally mounted of cylinder body has the piston rod, the outer wall of piston rod has plated metal, stabilizing mean is installed in the outside of cylinder body, the bottom of bent plate is laminated with the top outer wall of cylinder body mutually. This high rigidity chromium plating hydraulic piston rod, the outer wall of piston rod has plated the metal, chromium-plated layer has very high hardness, strengthen the hardness of piston rod, the horizontal piece of both sides all makes the bent plate fix on the cylinder body through first bolt fastening on the cylinder body, the piston rod makes two horizontal poles all through the slider horizontal slip in the spout on the bent plate through the cover block, the horizontal pole of both sides all moves about in the bent plate of both sides, it is bigger to make the piston rod support area, share the atress of piston rod, play the effect of protection piston rod, it is mostly the piston rod single-point support to have solved current hydraulic piston rod, when the atress is too big, can make the problem that the piston rod damaged.

The inventor thinks that the present piston rod makes two horizontal poles all through the slider horizontal slip in the spout on the bent plate through the cover block, the horizontal pole of both sides all moves about in the bent plate of both sides, make the piston rod support area bigger, share the atress of piston rod, play the effect of protection piston rod, but the piston rod can cause the friction to the cylinder body when reciprocating work, can cause the influence to the work efficiency of piston rod when piston rod surface wear is great, the structure of piston rod is more complicated, it is unsuitable to observe the in service behavior of piston rod, and inconvenient dismantlement, there is inconvenience in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently detect hydraulic piston rod of surface scratch aims at can effectually solving the piston rod and can cause the friction to the cylinder body when reciprocating work, and piston rod surface wear can cause the influence to the work efficiency of piston rod when great, and the structure of piston rod is more complicated, is unsuitable to observe the in service behavior of piston rod, and inconvenient dismantlement, and in use has inconvenient problem.

In order to solve the problem, the utility model adopts the following technical scheme:

the utility model provides a conveniently detect hydraulic piston rod of surface scratch, includes the end cap, one side fixedly connected with connecting block of end cap, the connecting block is kept away from one side of end cap is fixed to be pegged graft and is had the piston cylinder, the piston cylinder is kept away from the one end fixedly connected with sleeve of connecting block, telescopic center department is pegged graft and is had the piston rod body, the fixed piston device of pegging graft of one end of piston rod body, the outer wall of piston device with the inner wall sliding connection of piston cylinder, the one end fixedly connected with gim peg of piston rod body, one side of gim peg with the piston device laminating.

As an optimized scheme of the utility model, the piston device including cup joint in the first piston board and the second piston board on piston rod body surface, the second piston board is located one side of first piston board, the quiet sealing ring of inside fixedly connected with second of second piston board, the quiet sealing ring of second with the laminating of piston rod body.

As an optimized scheme of the utility model, first piston plate the second piston plate with the equal fixedly connected with guide block in telescopic inside, the guide block cup joint with piston rod body surface.

As a preferred scheme of the utility model, the fixed surface of piston rod body is connected with the basal layer, the fixed surface of basal layer is connected with the transition layer, the fixed surface of transition layer is connected with the working layer.

As an optimized scheme of the utility model, telescopic inside fixedly connected with piston seal ring and dust ring, the piston seal ring is located one side that the dust ring is close to the piston cylinder, the piston seal ring with the dust ring all cup joint in the surface of piston rod body.

As a preferred scheme of the utility model, the end cap is kept away from one side fixedly connected with fixed block of connecting block, the fixed orifices has been seted up to the inside of fixed block.

As a preferred scheme of the utility model, the connecting block is kept away from one side fixedly connected with seal post of end cap, seal post peg graft in the inside of piston cylinder, the fixed surface of seal post is connected with first quiet sealing ring, the spacing groove has been seted up to one side of seal post, the spacing groove with the gim peg is located same central line.

Compared with the prior art, the utility model has the advantages of:

1. first piston plate and second piston plate cup joint in the surface of piston rod body, the threaded connection of gim peg and piston rod body is fixed first piston plate and second piston plate, the piston rod body drives first piston plate and second piston plate and inserts the piston cylinder, the cover barrel cup joints in the surface of piston rod body, the end cap seals the piston cylinder through connecting block and sealing post, piston rod body promotes piston device and is located the inside reciprocating sliding of piston cylinder, the taking out of piston rod body and piston device has been made things convenient for through piston cylinder both ends end cap and telescopic design to such design, the piston rod body surface is through the basal layer, the layered design of transition layer and working layer, the surperficial mar degree of depth of knowing piston rod body that can understand, increase the security of piston rod body use.

2. The piston device comprises a first piston plate and a second piston plate which are sleeved on the surface of a piston rod body, the second piston plate is located on one side of the first piston plate, a second static sealing ring is fixedly connected to the inside of the second piston plate, the second static sealing ring is attached to the piston rod body, the sealing performance of the piston device on a piston cylinder is improved by the first piston plate and the second piston plate, the tightness between the piston rod body and the second piston plate is improved by the second static sealing ring, the sealing performance of the second piston plate is better, the first piston plate, a guide block is fixedly connected to the inside of the second piston plate and the inside of a sleeve, the guide block is sleeved on the surface of the piston rod body, the guide block stabilizes the sliding direction of the piston rod body, the piston rod body is improved, and the stability of the piston rod body and the second piston plate is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic structural view of the piston rod body of the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a plug; 11. a fixed block; 111. a fixing hole; 12. connecting blocks; 121. sealing the column; 122. a limiting groove; 123. a first stationary seal ring; 2. a piston cylinder; 3. a sleeve; 31. a guide block; 32. a piston seal ring; 33. a dust ring; 4. a piston rod body; 41. a base layer; 42. a transition layer; 43. a working layer; 5. a piston device; 51. a first piston plate; 52. a second piston plate; 521. a second stationary seal ring; 6. and (6) fixing the bolt.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

please refer to fig. 1-4, a hydraulic piston rod convenient for detecting surface scratches, including a plug 1, a connecting block 12 fixedly connected to one side of the plug 1, a piston cylinder 2 fixedly connected to one side of the connecting block 12 away from the plug 12, a fixing hole 111 is provided inside the fixing block 11, the connecting block 12 fixes the plug 1 through the fixing block 11 and the fixing hole 111, thereby facilitating the installation of the plug 1, a sleeve 3 fixedly connected to one end of the piston cylinder 2 away from the connecting block 12, a piston rod body 4 is inserted into the center of the sleeve 3, a piston sealing ring 32 and a dust ring 33 are fixedly connected to the inside of the sleeve 3, the piston sealing ring 32 is located at one side of the dust ring 33 close to the piston cylinder 2, the piston sealing ring 32 and the dust ring 33 are both sleeved on the surface of the piston rod body 4, the sealing ring 32 and the dust ring 33 increase the sealing performance of the sleeve 3, and prevent dust from entering the piston cylinder 2 through the piston rod body 4 as much as possible.

Referring to fig. 1-3, a base layer 41 is fixedly connected to the surface of a piston rod body 4, a transition layer 42 is fixedly connected to the surface of the base layer 41, a working layer 43 is fixedly connected to the surface of the transition layer 42, the base layer 41 is made of a high corrosion-resistant coating material and is dried and preheated, a metallurgical bonding and high-density coating is prepared on the surface of a substrate by using a high-energy beam, the transition layer 42 is prepared by using a thermal spraying process to prepare a transition protection layer, the working layer 43 is prepared by using a supersonic spraying or atmospheric plasma spraying process to prepare a high-hardness ceramic coating on the surface of the transition layer 42, and the surface of the piston rod body 4 is layered through the base layer 41, the transition layer 42 and the working layer 43, so that the depth of scratches on the surface of the piston rod body 4 can be clearly known, and the use safety of the piston rod body 4 can be improved.

Referring to fig. 2-4, a piston device 5 is fixedly inserted into one end of a piston rod body 4, an outer wall of the piston device 5 is slidably connected with an inner wall of a piston cylinder 2, a fixing bolt 6 is fixedly connected to one end of the piston rod body 4, one side of the fixing bolt 6 is attached to the piston device 5, a sealing column 121 is fixedly connected to one side, away from a plug 1, of a connecting block 12, the sealing column 121 is inserted into the piston cylinder 2, a first static sealing ring 123 is fixedly connected to a surface of the sealing column 121, a limiting groove 122 is formed in one side of the sealing column 121, the limiting groove 122 and the fixing bolt 6 are located on the same central line, the connecting block 12 is increased in structural stability with the piston cylinder 2 through the sealing column 121, the first static sealing ring 123 increases the sealing performance between the piston cylinder 2 and the connecting block 12, the connecting block 12 limits the fixing bolt 6 through the limiting groove 122, and increases the safety of the fixing bolt 6.

Referring to fig. 2-4, the piston device 5 includes a first piston plate 51 and a second piston plate 52 sleeved on the surface of the piston rod body 4, the second piston plate 52 is located on one side of the first piston plate 51, a second stationary seal ring 521 is fixedly connected inside the second piston plate 52, the second stationary seal ring 521 is attached to the piston rod body 4, the first piston plate 51 and the second piston plate 52 increase the sealing performance of the piston device 5 on the piston cylinder 2, the tightness between the piston rod body 4 and the second piston plate 52 is increased by the second stationary seal ring 521, so that the sealing performance of the second piston plate 52 is better, the guide blocks 31 are fixedly connected inside the first piston plate 51, the second piston plate 52 and the sleeve 3, the guide blocks 31 are sleeved on the surface of the piston rod body 4, and the guide blocks 31 stabilize the sliding direction of the piston rod body 4, and the stability of the piston rod body 4, the piston rod body 4 and the second piston plate 52 is increased.

The working principle is as follows:

the utility model discloses, first piston board 51 and second piston board 52 cup joint in piston rod body 4's surface during use, the threaded connection of gim peg 6 and piston rod body 4 fixes first piston board 51 and second piston board 52, piston rod body 4 drives first piston board 51 and second piston board 52 and inserts piston cylinder 2, sleeve 3 cup joints in piston rod body 4's surface, end cap 1 seals piston cylinder 2 through connecting block 12 and seal post 121, piston rod body 4 promotes piston device 5 and is located the inside reciprocating sliding of piston cylinder 2, the design of 2 both ends end caps 1 of piston cylinder and sleeve 3 of such design has made things convenient for taking out of piston rod body 4 and piston device 5, piston rod body 4 surface passes through basic level 41, the layer design of transition layer 42 and working layer 43, the knowledge piston rod body 4 surface scratch degree of depth that can be clear, increase the security of piston rod body 4 use.

The above are only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the present invention in the technical scope of the present invention, and the technical solution and the modified concept of the present invention should be replaced or changed equally.

Claims

1. The utility model provides a conveniently detect hydraulic piston rod of surface scratch which characterized in that includes:

the piston rod structure comprises a plug (1), one side fixedly connected with connecting block (12) of the plug (1), the connecting block (12) is kept away from one side of the plug (1) is fixedly connected with a piston cylinder (2) in an inserting mode, the piston cylinder (2) is kept away from one end fixedly connected with sleeve (3) of the connecting block (12), a piston rod body (4) is arranged in the center of the sleeve (3) in an inserting mode, a piston device (5) is fixedly connected with one end of the piston rod body (4) in an inserting mode, the outer wall of the piston device (5) is connected with the inner wall of the piston cylinder (2) in a sliding mode, one end fixedly connected with fixing bolts (6) of the piston rod body (4), and one side of the fixing bolts (6) is attached to the piston device (5).

2. The hydraulic piston rod of claim 1, wherein the hydraulic piston rod is configured to facilitate detection of surface scratches, and wherein: the piston device (5) comprises a first piston plate (51) and a second piston plate (52) which are sleeved on the surface of the piston rod body (4), the second piston plate (52) is located on one side of the first piston plate (51), a second static sealing ring (521) is fixedly connected inside the second piston plate (52), and the second static sealing ring (521) is attached to the piston rod body (4).

3. The hydraulic piston rod for facilitating the detection of surface scratches as recited in claim 2, wherein: the first piston plate (51), the second piston plate (52) and the sleeve (3) are fixedly connected with guide blocks (31), and the guide blocks (31) are sleeved on the surface of the piston rod body (4).

4. The hydraulic piston rod of claim 1, wherein the hydraulic piston rod is configured to facilitate detection of surface scratches, and wherein: the surface fixed connection of piston rod body (4) has foundation layer (41), the surface fixed connection of foundation layer (41) has transition layer (42), the surface fixed connection of transition layer (42) has working layer (43).

5. The hydraulic piston rod for facilitating the detection of surface scratches as recited in claim 1, wherein: the piston is characterized in that a piston sealing ring (32) and a dustproof ring (33) are fixedly connected inside the sleeve (3), the piston sealing ring (32) is located on one side, close to the piston cylinder (2), of the dustproof ring (33), and the piston sealing ring (32) and the dustproof ring (33) are both sleeved on the surface of the piston rod body (4).

6. The hydraulic piston rod of claim 1, wherein the hydraulic piston rod is configured to facilitate detection of surface scratches, and wherein: one side of the plug (1) far away from the connecting block (12) is fixedly connected with a fixing block (11), and a fixing hole (111) is formed in the fixing block (11).

7. The hydraulic piston rod of claim 1, wherein the hydraulic piston rod is configured to facilitate detection of surface scratches, and wherein: one side, far away from the plug (1), of the connecting block (12) is fixedly connected with a sealing column (121), the sealing column (121) is inserted into the piston cylinder (2), the surface of the sealing column (121) is fixedly connected with a first static sealing ring (123), one side of the sealing column (121) is provided with a limiting groove (122), and the limiting groove (122) and the fixing bolt (6) are located on the same central line.