CN215930835U - Cylinder jacket detection device - Google Patents

Abstract

The utility model discloses a cylinder sleeve detection device which comprises a supporting table, a sliding seat, a rotating seat and a limiting block, wherein the sliding seat is slidably arranged on the supporting table, the rotating seat is rotatably arranged on the sliding seat, and the limiting block is fixedly arranged. When in detection, the cylinder sleeve is firstly placed on the rotating seat, and then the sliding seat is pushed, and the sliding seat drives the cylinder sleeve to slide relative to the supporting platform; when the cylinder sleeve reaches the target position, the sliding seat is abutted against the limiting block; and rotating the rotating seat, wherein the rotating seat drives the cylinder sleeve to rotate relative to the supporting platform. Obviously, the sliding seat, the rotating seat and the limiting block are matched together, so that the position of the cylinder sleeve can be flexibly adjusted, the cylinder sleeve can be accurately positioned, the reliability of a detection result is ensured, and the detection precision is further improved; the three can make the cylinder liner avoid a supporting bench contact friction in the testing process again, effectively avoids the cylinder liner fish tail.

Description

Cylinder jacket detection device

Technical Field

The utility model relates to the technical field of cylinder sleeve detection, in particular to a cylinder sleeve detection device.

Background

The cylinder jacket is a cylindrical part, is embedded in the cylinder barrel of the cylinder body, the piston is arranged in the inner hole of the cylinder jacket, the cylinder cover is tightly pressed and fixed on the cylinder jacket, the cylinder cover and the piston form a combustion chamber together, and the outer wall of the cylinder jacket is in contact cooling with cooling water, so that the cylinder jacket becomes a core part of the engine. The dimensional accuracy of the cylinder liner has a great influence on the performance of the engine, so that the accurate detection of the dimensional accuracy of the cylinder liner is particularly necessary.

The outer wall of the cylinder liner is not smooth, and is usually provided with a support shoulder which abuts against the bore edge of the cylinder barrel for axially limiting the position of the cylinder liner, and an annular groove for mounting a seal ring, and the dimensional accuracy of these structures determines the performance and quality of the cylinder liner. For example, when the positional error of the support shoulder exceeds the tolerance, a serious safety accident may be caused by the breakage of the support shoulder. However, there are many disadvantages in the structure of the conventional detecting device due to the limitation of the prior art. For example, when detecting the cylinder liner, the position of the cylinder liner cannot be adjusted flexibly, which easily causes inaccurate positioning of the cylinder liner and affects the detection precision. For another example, the cylinder jacket is usually directly placed on the support table, and when the position of the cylinder jacket is adjusted, the cylinder jacket is very easy to rub against the support table, so that the cylinder jacket is scratched.

Therefore, how to improve the detection accuracy of the cylinder liner on the premise of avoiding the scratch of the cylinder liner is a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a cylinder liner detection apparatus, in which a sliding seat drives a cylinder liner to slide relative to a support table, and a rotatable rotating seat drives the cylinder liner to rotate relative to the support table, so as to flexibly adjust the position of the cylinder liner, improve the detection accuracy, and avoid scratching the cylinder liner.

The utility model provides a cylinder sleeve detection device, comprising:

a support table;

the sliding seat is slidably arranged on the supporting platform;

the rotating seat is rotatably arranged on the sliding seat and used for supporting the cylinder sleeve to rotate around the central line of the rotating seat;

and the limiting block is fixedly arranged and used for abutting against the sliding seat when the cylinder sleeve reaches the target position.

Preferably, the linear guide rail and the linear guide groove are arranged between the support platform and the sliding seat and used for guiding the sliding seat to slide linearly.

Preferably, the rotating base is fixedly provided with a positioning disc.

Preferably, the outer side of the puck is conical.

Preferably, the method further comprises the following steps:

at least one group of outer diameter detection parts which are arranged on the support platform in a sliding way along the radial direction of the cylinder sleeve and are used for detecting the outer diameter of the cylinder sleeve;

and a length detection part which is slidably arranged on the support platform and is used for detecting the length of the cylinder sleeve and the support shoulder thereof.

Preferably, any one group of the outer diameter detection parts includes two radial sliding assemblies respectively distributed on two opposite sides of the cylinder liner and sliding along the radial direction of the cylinder liner, and any one of the radial sliding assemblies includes:

a radially sliding column;

at least one group of outer diameter detection pieces which are distributed on the radial sliding upright posts along the axial direction of the cylinder sleeve and are used for matching and detecting the outer diameter of each shaft section of the cylinder sleeve;

the radial guide groove and the radial guide block are arranged between the radial sliding stand column and the support table and used for guiding the radial sliding of the radial sliding stand column;

and the radial driving piece is fixedly connected with the radial sliding upright post and is used for driving the radial sliding upright post to slide.

Preferably, any of the radial slide assemblies further comprises:

the detection piece chuck is used for clamping the outer diameter detection piece;

the detection piece supporting block is arranged between the detection piece chuck and the radial sliding upright post;

the axial sliding rail and the axial sliding chute are arranged between the detection part support block and the radial sliding upright post and are used for guiding the detection part support block to slide relative to the radial sliding upright post along the axial direction of the cylinder sleeve;

the expansion sliding rail and the expansion sliding chute are arranged between the detection piece support block and the detection piece chuck and used for guiding the detection piece chuck to slide relative to the detection piece support block along the radial direction of the cylinder sleeve;

the axial locking piece is arranged between the detecting piece supporting block and the radial sliding upright post and used for locking the detecting piece supporting block and the radial sliding upright post;

the expansion locking piece is arranged between the detection piece supporting block and the detection piece chuck and used for locking the detection piece supporting block and the detection piece chuck.

Preferably, the length detection unit includes:

a linear sliding column;

the length detection piece is arranged on the linear sliding upright post and used for detecting the lengths of the cylinder sleeve and the bearing shoulder;

the linear sliding chute and the linear sliding block are arranged between the linear sliding upright post and the support table and used for guiding the linear sliding upright post to slide linearly;

the linear driving piece is fixedly connected with the linear sliding upright post and is used for driving the linear sliding upright post to slide;

the vertical sliding block and the vertical sliding groove are arranged between the linear sliding upright post and the length detection piece and used for guiding the length detection piece to slide relative to the linear sliding upright post along the axial direction of the cylinder sleeve.

Preferably, the method further comprises the following steps:

the contact detection piece is used for detecting whether the outer diameter detection piece abuts against the cylinder sleeve;

the controller is respectively connected with the radial driving piece and the contact detection piece, and the controller is used for controlling the radial driving piece to stop rotating when the outer diameter detection piece abuts against the cylinder sleeve according to a signal fed back by the contact detection piece and controlling the radial driving piece to keep operating when the outer diameter detection piece does not abut against the cylinder sleeve.

Preferably, still including being used for detecting the butt detection piece that whether length detection piece offseted with the cylinder jacket, the controller links to each other with linear driving piece and butt detection piece respectively, and the controller is used for controlling linear driving piece stall when length detection piece offsets with the cylinder jacket according to the signal of butt detection piece feedback, and is used for controlling linear driving piece to keep operating when length detection piece does not offset with the cylinder jacket.

Compared with the background technology, the cylinder sleeve detection device provided by the utility model comprises a support table, a sliding seat, a rotating seat and a limiting block, wherein the sliding seat is slidably arranged on the support table, the rotating seat is rotatably arranged on the sliding seat, and the limiting block is fixedly arranged.

When in detection, the cylinder sleeve is firstly placed on the rotating seat, and then the sliding seat is pushed, and the sliding seat drives the cylinder sleeve to slide relative to the supporting platform; when the cylinder sleeve reaches the target position, the sliding seat is abutted against the limiting block; and rotating the rotating seat, wherein the rotating seat drives the cylinder sleeve to rotate relative to the supporting platform. Obviously, the sliding seat, the rotating seat and the limiting block are matched together, so that the position of the cylinder sleeve can be flexibly adjusted, the cylinder sleeve can be accurately positioned, the reliability of a detection result is ensured, and the detection precision is further improved; the three can make the cylinder liner avoid a supporting bench contact friction in the testing process again, effectively avoids the cylinder liner fish tail.

Therefore, the cylinder sleeve detection device provided by the utility model can prevent the cylinder sleeve from being scratched and improve the detection precision.

Drawings

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

Fig. 1 is an axial view of a cylinder liner testing apparatus provided in an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a block diagram of the support table of FIG. 1;

FIG. 6 is a block diagram of the stop block of FIG. 1;

FIG. 7 is a block diagram of the slide carriage of FIG. 1;

FIG. 8 is a sectional view taken along line A-A of FIG. 7;

FIG. 9 is a view showing the construction of the swivel base shown in FIG. 1;

FIG. 10 is a sectional view taken along line B-B of FIG. 9;

FIG. 11 is a block diagram of the puck of FIG. 1;

FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;

FIG. 13 is a front view of the linear slide column of FIG. 1;

FIG. 14 is a top view of FIG. 13;

FIG. 15 is a side view of FIG. 13;

FIG. 16 is a sectional view taken along line D-D of FIG. 13;

FIG. 17 is a front view of the test element support of FIG. 1;

FIG. 18 is a top view of FIG. 17;

FIG. 19 is a side view of FIG. 17;

FIG. 20 is a front view of the test element cartridge of FIG. 1;

FIG. 21 is a sectional view taken along line E-E in FIG. 20;

fig. 22 is a top view of fig. 20.

The reference numbers are as follows:

a support table 1, a sliding seat 2, a rotating seat 3, a positioning disc 4, an outer diameter detection part 5 and a length detection part 6;

the device comprises a linear guide rail 11, a radial guide groove 12, a linear sliding groove 13 and a limiting block 14;

a stopper block 111;

a radial sliding column 51, an outer diameter detection piece 52, a radial guide block 53, a radial driving piece 54, a detection piece chuck 55 and a detection piece support block 56;

an axial slide 511;

an expansion chute 551 and an expansion lock 552;

an axial slide slot 561, an expansion slide rail 562 and an axial locking member 563;

a linear slide column 61, a length detecting member 62, a linear slider 63, and a linear driving member 64;

a vertical chute 611.

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.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Referring to fig. 1 to 22, fig. 1 is an axial view of a cylinder liner testing apparatus according to an embodiment of the present invention; FIG. 2 is a top view of FIG. 1; FIG. 3 is a front view of FIG. 1; FIG. 4 is a side view of FIG. 1; FIG. 5 is a block diagram of the support table of FIG. 1; FIG. 6 is a block diagram of the stop block of FIG. 1; FIG. 7 is a block diagram of the slide carriage of FIG. 1; FIG. 8 is a sectional view taken along line A-A of FIG. 7; FIG. 9 is a view showing the construction of the swivel base shown in FIG. 1; FIG. 10 is a sectional view taken along line B-B of FIG. 9; FIG. 11 is a block diagram of the puck of FIG. 1; FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11; FIG. 13 is a front view of the linear slide column of FIG. 1; FIG. 14 is a top view of FIG. 13; FIG. 15 is a side view of FIG. 13; FIG. 16 is a sectional view taken along line D-D of FIG. 13; FIG. 17 is a front view of the test element support of FIG. 1; FIG. 18 is a top view of FIG. 17; FIG. 19 is a side view of FIG. 17; FIG. 20 is a front view of the test element cartridge of FIG. 1; FIG. 21 is a sectional view taken along line E-E in FIG. 20; fig. 22 is a top view of fig. 20.

The embodiment of the utility model discloses a cylinder sleeve detection device which comprises a support table 1, a sliding seat 2, a rotating seat 3 and a limit block 14. The support table 1 is fixedly arranged, is flat and is used for supporting other components. The support table 1 may be a flat plate having a length of 700mm, a width of 520mm and a thickness of 60 mm. Generally, the cylinder liner is loaded and unloaded at non-detection zone, detects at the detection zone, and on a supporting bench 1 was located to sliding seat 2 slidable, sliding seat 2 drove the cylinder liner and slides for a supporting bench 1 along the linearity, made the cylinder liner by non-detection zone slip-in detection zone. The rotating seat 3 is rotatably arranged on the sliding seat 2 and is used for supporting the cylinder sleeve to rotate around the central line of the rotating seat, and the parameters such as the outer diameter, the roundness and the length of the cylinder sleeve can be conveniently and accurately detected. The limiting block 14 is fixed on the support table 1 by means of bolts and used for accurately limiting the position of the cylinder sleeve. A positioning groove and a positioning block which are matched with each other are arranged between the limiting block 14 and the support table 1, and the limiting block 14 is limited to swing relative to the support table 1 along the radial direction of the cylinder sleeve. In addition, a row of fixing holes is formed in the supporting table 1, one of the limiting blocks 14 is matched with two of the fixing holes, the position of the limiting block 14 can be conveniently adjusted at will, and the fixing position of the limiting block 14 can be adjusted according to the specification of the cylinder sleeve. The structure and installation of the sliding seat 2, the rotating seat 3 and the limiting block 14 can be referred to the following.

During detection, the cylinder sleeve is firstly placed on the rotating seat 3, then the sliding seat 2 is pushed, and the sliding seat 2 drives the cylinder sleeve to slide relative to the supporting table 1; when the cylinder sleeve reaches the target position, the sliding seat 2 is abutted against the limiting block 14; and then the rotating seat 3 is rotated, and the rotating seat 3 drives the cylinder sleeve to rotate around the central line of the cylinder sleeve relative to the supporting table 1. Obviously, the sliding seat 2, the rotating seat 3 and the limiting block 14 are matched together, so that the position of the cylinder sleeve can be flexibly adjusted, the cylinder sleeve can be accurately positioned, the detection result is ensured to be reliable, and the detection precision is improved; the three can make the cylinder liner avoid brace table 1 contact friction in the testing process again, effectively avoids the cylinder liner fish tail. The target position in this context refers to the position of the cylinder liner in alignment with the respective test elements.

In conclusion, the cylinder sleeve detection device provided by the utility model can prevent the cylinder sleeve from being scratched and improve the detection precision.

The utility model also comprises a linear guide rail 11 and a linear guide groove which are arranged between the support platform 1 and the sliding seat 2 and are used for guiding the sliding seat 2 to slide linearly relative to the support platform 1. In particular, the linear guide 11 may be an HGH type guide. Two fixing grooves are arranged in parallel on the supporting table 1, a linear guide rail 11 is arranged in each fixing groove, and each linear guide rail 11 is fixed in each fixing groove through a plurality of fastening screws. The length of the linear guide 11 is 443mm, but is not limited thereto, and may be set according to the distance between the detection area and the non-detection area and the specification of the cylinder liner. Two linear guide grooves are arranged at the bottom of the sliding seat 2 in parallel. The linear guide rail 11 is specifically an i-shaped guide rail, and the linear guide groove is specifically an i-shaped guide groove, and naturally, the arrangement positions of the linear guide rail 11 and the linear guide groove are interchanged, or the structures of the linear guide rail and the linear guide groove are changed, so that the purpose of realizing the utility model is not influenced.

In addition, two stopping blocks 111 are respectively disposed at both ends of the linear guide 11 for preventing the sliding seat 2 from being separated from the linear guide 11. The two stopper blocks 111 are fixed to both ends of the linear guide 11 with fastening screws.

The sliding seat 2 can be a square plate with the width of 200mm, four top corners of the bottom of the sliding seat 2 are respectively and fixedly provided with a guide shoe, and each guide shoe is provided with a linear guide groove matched with the linear guide rail 11. Four M4 counter bores are provided on each side of the shoe 2 so that bolts passing through secure the shoe to the shoe 2. The center of the sliding seat 2 is provided with a stepped hole, a bearing is arranged in the large hole, the outer ring of the bearing is in interference connection with the large hole, the aperture of the large hole is 135mm, and the aperture of the small hole is 110 mm. One side of the sliding seat 2 is fixedly provided with a handle, so that the sliding seat 2 can be conveniently pulled.

The rotary base 3 is disk-shaped, and has an outer diameter of 230mm and a thickness of 15 mm. The bottom integral type of roating seat 3 is equipped with the step shaft, and its major diameter section external diameter is 114mm and length is 5mm, and its minor diameter section external diameter is 80mm and length is 10mm, and minor diameter section and bearing inner race interference fit make roating seat 3 rotatory for sliding seat 2 through the bearing.

The utility model also comprises a positioning disc 4 for limiting the position of the cylinder sleeve, wherein the positioning disc 4 is fixedly arranged on the rotating seat 3. Specifically, be equipped with mutually supporting joint groove and joint piece between positioning disk 4 and the roating seat 3, joint groove and joint piece interference fit make positioning disk 4 and roating seat 3 coaxial continuous. The cylinder groove on 3 tops of roating seat is specifically located to the joint groove, and the cylinder piece of 4 bottoms of positioning disk is located to the specific formula as an organic whole of joint piece. Of course, the positioning plate 4 can still be fixed on the rotary base 3 by interchanging the arrangement positions of the clamping grooves and the clamping blocks or changing the arrangement positions of the clamping grooves and the clamping blocks.

The outside of positioning disk 4 personally submits coniform, makes things convenient for the quick cover of cylinder jacket on positioning disk 4, ensures that positioning disk 4 is coaxial with the cylinder jacket, prevents that the cylinder jacket of cover on positioning disk 4 is crooked. In order to prevent scratching or grinding the cylinder sleeve, the outer side surface of the positioning disk 4 can be sleeved with an elastic sleeve, so that the positioning disk 4 is prevented from being in rigid contact with the cylinder sleeve, the positioning disk 4 can be reliably abutted against the cylinder sleeve, and the cylinder sleeve is prevented from loosening. The elastic sleeve may be a rubber sleeve or a nylon sleeve, and the material of the elastic sleeve is not particularly limited herein.

The utility model also comprises an outer diameter detection part 5 and a length detection part 6, wherein at least one group of outer diameter detection parts 5 can be slidably arranged on the support table 1 and are used for detecting the outer diameter of the cylinder sleeve along the radial direction of the cylinder sleeve. The length detecting part 6 is slidably provided on the support table 1, and detects the length of the cylinder liner and the support shoulder thereof. The outer diameter detection part 5 and the length detection part 6 are arranged on the support table 1, so that the outer diameter and the length of the cylinder sleeve can be detected at one time, the installation times are reduced, and the detection efficiency is improved.

The structure of every external diameter detection portion 5 of group is the same, and every external diameter detection portion 5 of group includes two sets of radial sliding assembly that distribute in the double-phase offside of cylinder jacket respectively, and two sets of radial sliding assembly all follow the radial slip of cylinder jacket, are close to or keep away from the cylinder jacket. It should be noted that the two sets of radial sliding assemblies are symmetrically arranged along the radial direction of the cylinder liner, so that the two sets of radial sliding assemblies are ensured to be accurate to the outer diameter of the cylinder liner, but not to the chord length.

Each group of radial sliding assemblies has the same structure, each group of radial sliding assemblies comprises a radial sliding upright post 51, an outer diameter detection piece 52, a radial guide groove 12, a radial guide block 53 and a radial driving piece 54, the radial sliding upright post 51 is slidably arranged on the support table 1 and extends along the axial direction of the cylinder sleeve, and the height of the radial sliding upright post is greater than the length of the cylinder sleeve. Specifically, the radial sliding upright 51 has a height of 420mm and a width of 60 mm.

The radial sliding column 51 and the support table 1 are provided with a radial guide groove 12 and a radial guide block 53 which are matched with each other and used for guiding the radial sliding column 51 to slide in the radial direction relative to the support table 1. Specifically, the radial guide groove 12 is a T-shaped sliding groove provided on the support table 1, the radial guide block 53 is a part of a T-shaped bolt, the T-shaped bolt passes through the radial sliding column 51, and the T-shaped bolt simultaneously plays two roles of connection and guiding. Of course, interchanging the arrangement positions of the radial guide grooves 12 and the radial guide blocks 53, or changing the structures of the two, such as dovetail type or rectangular shape, etc., does not affect the achievement of the object of the present invention.

At least one group of external diameter detection piece 52 distributes on one of them radial sliding stand 51 along the axial of cylinder jacket, and each external diameter detection piece 52 on another radial sliding stand 51 is relative one by one, and the external diameter of one of them shaft section of cylinder liner is detected in the cooperation of two external diameter detection pieces 52 that set up relatively, can once only detect out the external diameter of each shaft section of cylinder jacket like this, avoids many times to detect, and detection efficiency is higher. The vertical distance between two adjacent outer diameter detecting members 52 is set according to the length of each shaft section on the outer side of the cylinder liner, and is not particularly limited herein. The pair of outer diameter detecting members 52 may be a pair of distance detecting sensors, and the type thereof is not particularly limited herein.

A radial drive 54 is associated with the radial sliding column 51 for driving the radial sliding column 51 to slide radially with respect to the support table 1. Specifically, the present invention further includes a screw nut pair disposed between the radial driving member 54 and the radial sliding column 51, the screw is connected to the radial driving member 54, the sliding sleeve is fixedly connected to the radial sliding column 51, and when the radial driving member 54 rotates, the screw drives the radial sliding column 51 to slide radially through the sliding sleeve. The radial drive 54 may be a hand wheel for manually adjusting the position of the radial slide post 51. Of course, the radial drive 54 may also be a servo motor, facilitating quick adjustment.

Each set of radial slide assemblies further includes a sense piece collet 55, a sense piece support block 56, an axial slide rail 511, an axial slide slot 561, an expansion slide rail 562, an expansion slide slot 551, an axial lock 563, and an expansion lock 552.

Detect a chuck 55 and be the L type, detect a chuck 55 and be equipped with the centre gripping hole, the pore wall in centre gripping hole is equipped with the butt screw, when external diameter detection piece 52 passed the centre gripping hole, screws up the butt screw, and the butt screw offsets with external diameter detection piece 52, makes external diameter detection piece 52 be fixed in the centre gripping downthehole and follow the radial extension of cylinder jacket, conveniently adjusts or changes external diameter detection piece 52 simultaneously. The abutment screw is an expanding locking member 552, and the expanding locking member 552 is provided between the detecting member holder 56 and the detecting member cartridge 55, so that the detecting member cartridge 55 is fixed to the detecting member holder 56.

The detecting part support block 56 is arranged between the detecting part chuck 55 and the radial sliding column 51, and an axial slide rail 511 and an axial slide groove 561 which are matched with each other are arranged between the detecting part support block 56 and the radial sliding column 51 and are used for guiding the detecting part support block 56 to slide relative to the radial sliding column 51 along the axial direction of the cylinder sleeve, so that each outer diameter detecting part 52 corresponds to different shaft sections of the cylinder sleeve. Specifically, the axial slide rail 511 is a dovetail slide rail integrally disposed on the radial slide column 51 and extending along the axial direction of the cylinder sleeve, and the axial slide slot 561 is a dovetail slide slot disposed on the detecting member supporting block 56, and naturally, interchanging the disposition positions of the axial slide rail 511 and the axial slide slot 561 or changing the structures of the two does not affect the purpose of implementing the present invention.

An expansion slide rail 562 and an expansion slide groove 551 which are matched with each other are arranged between the detection piece support block 56 and the detection piece chuck 55 and used for guiding the detection piece chuck 55 to slide relative to the detection piece support block 56 along the radial direction of the cylinder sleeve, so that the radial detection range of the outer diameter detection piece 52 is further expanded, the detection device is suitable for detecting the cylinder sleeves with different outer diameters, and the adaptability is good. Specifically, the extension slide rail 562 is a rectangular slide rail integrally disposed on the detection member support block 56 and extending along the radial direction of the cylinder sleeve, and the extension slide groove 551 is specifically a rectangular slide groove disposed on the detection member chuck 55, and naturally, the arrangement positions of the extension slide rail 562 and the extension slide groove 551 are interchanged, or the structures of the two are changed, so that the purpose of the present invention can be achieved.

The axial locking member 563 is provided between the detecting member support 56 and the radial sliding column 51, so that the detecting member support 56 is fixed to the radial sliding column 51. Specifically, the axial locking member 563 is an abutment screw passing through the axial sliding slot 561, and when the detecting member support block 56 slides to a predetermined position, the abutment screw abuts against the axial sliding rail 511, so as to prevent the detecting member support block 56 from sliding relative to the radial sliding column 51.

The length detecting section 6 includes a linear slide column 61, a length detecting piece 62, a linear slide groove 13, a linear slider 63, a linear driving piece 64, a vertical slider, and a vertical slide groove 611.

The linear sliding columns 61 and the linear guide rails 11 are respectively located on the front side and the rear side of the cylinder sleeve, and the linear sliding columns 61 are slidably arranged on the support table 1. A linear sliding chute 13 and a linear sliding block 63 which are matched with each other are arranged between the linear sliding column 61 and the support table 1 and are used for guiding the linear sliding of the linear sliding column 61. Specifically, the linear sliding groove 13 may be a dovetail-shaped sliding rail provided on the support table 1, the linear sliding groove 13 may be a part of a dovetail-shaped bolt, and the dovetail-shaped bolt penetrates through the linear sliding column 61, so that the linear sliding column 61 can be fixed on the support table 1, and the linear sliding column 61 can be guided to move. Of course, the arrangement position and structure of the linear sliding groove 13 and the linear sliding block 63 may be changed.

The length detector 62 is provided on the linear sliding column 61 and detects the lengths of the cylinder liner and the support shoulder. The length detecting member 62 may specifically be a length detecting sensor. The number of the length detectors 62 may be set according to the specification of the cylinder liner, and is not limited herein.

A vertical sliding block and a vertical sliding groove 611 which are matched with each other are arranged between the linear sliding column 61 and the length detection piece 62 and are used for guiding the length detection piece 62 to slide relative to the linear sliding column 61 along the axial direction of the cylinder sleeve, so that the length detection piece 62 is aligned with a shaft section to be detected of the cylinder sleeve. Specifically, the vertical slide block is a rectangular slide block of the integrated length detector 62, and the vertical slide groove 611 is a rectangular slide groove provided in the linear slide column 61. Of course, the arrangement positions and structures of the vertical sliding blocks and the vertical sliding grooves 611 may also be changed.

The linear driving member 64 is fixedly connected to the linear sliding column 61 for driving the linear sliding column 61 to slide. The construction, mounting and operation of the linear drive 64 is described with reference to the radial drive 54 and will not be described in detail.

In order to improve the detection precision and the detection efficiency, the utility model further comprises a contact detection piece and a controller, wherein the contact detection piece is used for detecting whether the outer diameter detection piece 52 is abutted against the cylinder sleeve, and can be a contact detection sensor. The controller is connected to the radial drive member 54 and the contact detection member, respectively, the radial drive member 54 being embodied as a servo motor.

When the contact detecting member detects that the outer diameter detecting member 52 abuts against the cylinder liner, the controller controls the radial actuator 54 to automatically stop according to a signal fed back from the contact detecting member. When the contact detection member detects that the outer diameter detection member 52 is not abutted against the cylinder liner, the controller controls the radial driving member 54 to continue to keep running according to a signal fed back by the contact detection member until the outer diameter detection member 52 is abutted against the cylinder liner.

Similarly, the present invention further includes an abutment detector for detecting whether the length detector 62 abuts against the cylinder liner, and the abutment detector may be a contact detection sensor. The controller is connected to the linear driving member 64 and the abutting detection member, respectively, and the linear driving member 64 is specifically a servo motor.

When the abutment detector detects that the length detector 62 abuts against the cylinder liner, the controller controls the linear actuator 64 to automatically stop according to a signal fed back from the contact detector. When the abutting detection piece detects that the length detection piece 62 is not abutted against the cylinder liner, the controller controls the linear driving piece 64 to continue to keep running according to a signal fed back by the contact detection piece until the length detection piece 62 is abutted against the cylinder liner.

It should be noted that the controller includes a signal receiving portion, a signal determining portion and a signal transmitting portion, the signal receiving portion is used for receiving an electrical signal transmitted by a detecting member such as a contact detecting member or an abutment detecting member, the signal determining portion and the receiving portion are electrically connected so that the signal determining portion is used for determining whether the signal received by the receiving portion is a trigger signal, and the signal transmitting portion and the signal determining portion are electrically connected so that the signal transmitting portion transmits a determination signal generated by the signal determining portion to an actuating member such as the radial driving member 54 or the linear driving member 64. The specific arrangement mode of the signal receiving part, the signal judging part and the signal sending part can refer to the prior art; in the utility model, the application scenes of the three are only changed, and the three are not substantially improved. Obviously, the controller with the structure is widely applied to the existing automatic control equipment, such as an MCU, a DSP or a single chip microcomputer. The key point of the utility model is that the controller correspondingly combines each detection piece and each executive character in pairs.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A cylinder liner testing apparatus, comprising:

a support table (1);

a sliding seat (2) which is slidably arranged on the supporting platform (1);

the rotating seat (3) is rotatably arranged on the sliding seat (2) and is used for supporting the cylinder sleeve to rotate around the center line of the cylinder sleeve;

a stop block (14) for abutting against the sliding seat (2) when the cylinder sleeve reaches a target position.

2. The cylinder liner testing apparatus according to claim 1, further comprising a linear guide rail (11) and a linear guide groove provided between the support table (1) and the sliding seat (2) for guiding the sliding seat (2) to slide linearly.

3. The cylinder liner testing device according to claim 1, characterized in that the rotary base (3) is fixedly provided with a positioning disc (4).

4. A cylinder liner testing device according to claim 3, characterized in that the outer side of the positioning disc (4) is conical.

5. The cylinder liner testing apparatus according to claim 1, further comprising:

at least one group of outer diameter detection parts (5) which are arranged on the support table (1) in a sliding manner along the radial direction of the cylinder liner and are used for detecting the outer diameter of the cylinder liner;

and a length detection part (6) which is slidably arranged on the support platform (1) and is used for detecting the length of the cylinder sleeve and the support shoulder thereof.

6. The cylinder liner testing apparatus according to claim 5, wherein any one of the sets of outer diameter testing portions (5) includes two radial sliding members respectively disposed on opposite sides of the cylinder liner and sliding in a radial direction of the cylinder liner, and any one of the radial sliding members includes:

a radial sliding upright (51);

at least one group of outer diameter detection pieces (52) which are distributed on the radial sliding columns (51) along the axial direction of the cylinder sleeve and are used for cooperatively detecting the outer diameter of each shaft section of the cylinder sleeve;

a radial guide groove (12) and a radial guide block (53) which are arranged between the radial sliding column (51) and the support platform (1) and are used for guiding the radial sliding of the radial sliding column (51);

and the radial driving piece (54) is fixedly connected with the radial sliding column (51) and is used for driving the radial sliding column (51) to slide.

7. The cylinder liner testing apparatus of claim 6, wherein either of said radial slide assemblies further comprises:

a detector chuck (55) for clamping the outer diameter detector (52);

a detecting piece support block (56) arranged between the detecting piece chuck (55) and the radial sliding column (51);

an axial slide rail (511) and an axial slide groove (561) which are arranged between the detection piece support block (56) and the radial sliding column (51) and are used for guiding the detection piece support block (56) to slide relative to the radial sliding column (51) along the axial direction of the cylinder sleeve;

the expansion slide rail (562) and the expansion slide groove (551) are arranged between the detection piece support block (56) and the detection piece chuck (55) and used for guiding the detection piece chuck (55) to slide relative to the detection piece support block (56) along the radial direction of the cylinder sleeve;

an axial locking member (563) arranged between the detecting member support block (56) and the radial sliding column (51) and used for locking the two;

and an expansion locking member (552) arranged between the detection member support block (56) and the detection member chuck (55) and used for locking the detection member support block and the detection member chuck.

8. The cylinder liner testing apparatus according to claim 7, characterized in that the length detecting portion (6) includes:

a linear sliding column (61);

a length detector (62) provided to the linear sliding column (61) and detecting the lengths of the cylinder liner and the support shoulder;

a linear sliding chute (13) and a linear sliding block (63) which are arranged between the linear sliding column (61) and the support table (1) and used for guiding the linear sliding column (61) to slide linearly;

a linear driving member (64) fixedly connected with the linear sliding upright post (61) and used for driving the linear sliding upright post (61) to slide;

and the vertical sliding block and the vertical sliding groove (611) are arranged between the linear sliding column (61) and the length detection piece (62) and are used for guiding the length detection piece (62) to slide relative to the linear sliding column (61) along the axial direction of the cylinder sleeve.

9. The cylinder liner testing apparatus of claim 8, further comprising:

a contact detecting member for detecting whether the outer diameter detecting member (52) abuts against the cylinder liner;

and the controller is respectively connected with the radial driving piece (54) and the contact detection piece, and is used for controlling the radial driving piece (54) to stop rotating when the outer diameter detection piece (52) abuts against the cylinder sleeve according to a signal fed back by the contact detection piece and controlling the radial driving piece (54) to keep operating when the outer diameter detection piece (52) does not abut against the cylinder sleeve.

10. The cylinder liner testing apparatus according to claim 9, further comprising an abutment detector for detecting whether the length detector (62) abuts against the cylinder liner, wherein the controller is connected to the linear driver (64) and the abutment detector, respectively, and is configured to control the linear driver (64) to stop rotating when the length detector (62) abuts against the cylinder liner according to a signal fed back from the abutment detector, and to control the linear driver (64) to keep operating when the length detector (62) does not abut against the cylinder liner.

Images