CN207866633U - A kind of Simple And Practical type laboratory steel pipe coating flattens tester - Google Patents

Abstract

The utility model is related to a kind of Simple And Practical type laboratory steel pipe coatings to flatten tester, including fixed steel holder, hydraulic jack, objective table, the lower end center of steel top plate is connected with a steel briquetting, and the upper end center position of steel substrate is connected with a workbench；Hydraulic jack is set to the upper end center position of workbench, the upper end of the hydraulic push rod of hydraulic jack and the lower center portion Joint of objective table, the top of hydraulic push rod is arranged with an axle sleeve, axle sleeve passes through clamping screw Joint with hydraulic push rod, the sliding sleeve being slidably connected therewith is arranged on steel column, each it is connected by connecting rod between sliding sleeve and axle sleeve, the both sides of objective table, which are arranged with, can be clamped multiple diameter specification steel pipe and the clamp assemblies with positioning function, the lower end of clamp assemblies and connecting rod Joint below.The utility model is simple in structure, easy to operate, takes up space small, cheap, convenient and practical, improves safety, the accuracy of test.

Description

A kind of Simple And Practical type laboratory steel pipe coating flattens tester

Technical field

The utility model belongs to steel pipe coating and flattens technical field of measurement and test more particularly to a kind of Simple And Practical type laboratory steel Pipe coating flattens tester.

Background technology

Flattening test, is the deformation performance of coating when steel pipe being examined to be crushed to predetermined size, and shows its defect A kind of test method.Steel pipe is met to water supply plastic-coated in standard GB/T/T 28897 and city-building professional standard CJ/T 120 Performance requirement in have flattening performance requirement.

Chinese patent (a kind of bond strength and flattening test instrument " CN201620657894.6 "), including testing jig；The One top-pressure part has the shoulder for being resisted against the line plastic-steel tube Inner plastic tube top end on the first top-pressure part；First top pressure The outer diameter of part is less than the internal diameter of steel pipe outside the line plastic-steel tube；Top pressing board, can be under external force towards the line plastic-steel tube Tip motions are with top pressure in first top-pressure part top；Jack, the jack include jack main body, piston rod, pressure Table, rocking bar；Support plate is spaced setting, is removably equipped with for described in top pressure in support plate between support plate and top pressing board Second top-pressure part of steel pipe bottom end outside line plastic-steel tube.The flattening test machine sold on the market is expensive, bulky, and steel Pipe plastic-coated molding powder factory examines molding powder to flatten the diameter of steel tube substantially not super 100mm of performance generally, excessively bulky and hulking The poor practicability of flattening test machine.And manpower is needed to help steel pipe to realize the positioning of steel pipe in flattening test, not only try The accuracy tested can not ensure also there is certain hidden danger to the personal safety of operating personnel.

Therefore, these problems are based on, provide it is a kind of simple in structure, it is easy to operate, take up space small, it is cheap, facilitate reality With, and improve the safety of test, accuracy Simple And Practical shaped steel pipe coating flatten tester, have important reality Meaning.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, duty Between it is small, it is cheap, convenient and practical, and improve the safety of test, accuracy Simple And Practical shaped steel pipe coating flatten Tester.

The utility model solves its technical problem and following technical scheme is taken to realize：

A kind of Simple And Practical type laboratory steel pipe coating flattens tester, including fixed steel holder, hydraulic jack, load Object platform, the fixed steel holder are by steel top plate, steel substrate and set on steel top plate, four angles of steel substrate end The steel column at place encloses the cube frame structure being set as, and the lower end center of the steel top plate is connected with a steel pressure The upper end center position of block, the steel substrate is connected with a workbench；

The hydraulic jack is set to the upper end center position of workbench, the upper end of the hydraulic push rod of the hydraulic jack It is arranged with an axle sleeve, the axle sleeve and hydraulic thrust with the top of the lower center portion Joint of objective table, the hydraulic push rod Bar is arranged with the sliding sleeve being slidably connected therewith by clamping screw Joint on the steel column, each sliding sleeve and axis It is connected by connecting rod between set, the both sides of the objective table, which are arranged with, can be clamped multiple diameter specification steel pipe and with positioning work( The clamp assemblies of energy, the lower end of the clamp assemblies and connecting rod Joint below.

Further, the clamp assemblies include pedestal and the clamping plate of " reverse V-shaped ", and the upper surface of the pedestal opens up There is a rectangular recess, it is recessed that at least two slide bars being attached thereto, the rectangle are provided along its length in the rectangular recess It is forward and backward in slot to be arranged with slide, the slide opening being connect with sliding bar is offered on the slide, between two slides Adjustable spring is arranged on slide bar on slide bar, between the slide and rectangular recess respectively, the upper end center of the clamping plate can Rotation is connected with rotation axis, and the upper end of two lower ends of the clamping plate respectively with two slides is hinged.

Further, the slide bar is vertically arranged with steel pipe.

Further, the upper end center position of the pedestal is equipped with a supporting plate, and the supporting plate is located at the upper end of rectangular recess, And the lower end of the supporting plate and the upper end Joint of pedestal, the upper surface of the supporting plate are equipped with the first cushion pad, described first is slow The material of punching pad is rubber material, and the upper surface of first cushion pad and the upper surface of objective table are flush.

Further, the clamping plate is provided along its length second cushion pad close to the side of pedestal, and described The material of two cushion pads is rubber material.

Further, the side of the hydraulic jack is equipped with operation handle, and the intubation of the operation handle is mounted on work Make on platform.

Further, the distance between two described clamp assemblies are more than the length of the steel briquetting.

The advantages of the utility model and good effect are：

1. in the utility model, enough power is provided by the hydraulic drive of hydraulic jack, it is applied to objective table bottom, Objective table and the steel briquetting of steel top plate lower end form a parallel space, by changing distance between the two, cause steel Pipe crimp reaches flattening test purpose, to check the coating on steel pipe, to examine steel pipe to be crushed to regulation ruler The deformation performance of coating when very little, the present apparatus is simple in structure, easy to operate, takes up space small, cheap, convenient and practical.

2. in the utility model, clamp assemblies have positioning function, the steel to be checked being clamped between two clamp assemblies Pipe is axially lain in a horizontal plane on objective table, and with hydraulic push rod centering, automatic centering positioning keeps steel pipe and compression direction to hang down Directly, without needed operate in the past in manpower help steel pipe to realize the positioning of steel pipe, not only increase the accuracy of test, and And improve the safety of test.

3. in the utility model, clamp assemblies are suitable for being clamped the steel pipe of multiple diameter specification, and clamp assemblies structure letter It is single, it is easy to operate so that the present apparatus is suitable for testing the steel pipe of multiple diameter specification, improves the practicability of device.

4. in the utility model, sliding sleeve is slided up and down along steel column therewith in axle sleeve moving process, clamping group is driven Part smoothly moves up and down, and then realizes that clamp assemblies keep opposing stationary with objective table always, ensures being normally carried out for test.

5. in the utility model, the aperture by adjusting clamping plate can be inserted into different diameter specifications between clamping plate and supporting plate Steel pipe, under the elastic reaction of adjustable spring, what steel pipe was stablized is held on the underface of clamping plate, realizes automatic centering positioning, Improve the accuracy of test.

Description of the drawings

The technical solution of the utility model is described in further detail below with reference to drawings and examples, still It should be known that these attached drawings only design for task of explanation, therefore not as the restriction of the scope of the utility model.In addition, Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale It draws.

Fig. 1 is the front view of the utility model；

Fig. 2 is the left view of the utility model；

Fig. 3 is Fig. 1 along the faces A-A sectional view；

Fig. 4 is Fig. 1 along the faces B-B vertical view；

Fig. 5 is the vertical view of clamp assemblies；

Fig. 6 is the front view of clamp assemblies in Fig. 1；

Fig. 7 is the structural schematic diagram of clamp assemblies in Fig. 2；

Structural schematic diagram when Fig. 8 is clamp assemblies clamping another kind diameter steel pipe in Fig. 7.

In figure：1. hydraulic jack, 2. objective tables, 3. steel top plates, 4. steel substrates, 5. steel columns, 6. steel pressures Block, 7. workbench, 8. axle sleeves, 9. sliding sleeves, 10. connecting rods, 11. pedestals, 12. clamping plates, 13. rectangular recess, 14. slide bars, 15. are slided Seat, 16. adjustable springs, 17. rotation axis, 18. supporting plates, 19. first cushion pads, 20. second cushion pads, 21. operation handles, 22. Steel pipe, 23. hydraulic push rods.

Specific implementation mode

Firstly, it is necessary to which explanation, illustrates the concrete structure, feature of the utility model by by way of example below With advantage etc., however what all descriptions were intended merely to illustrate, and should not be construed as forming the utility model and appoint What is limited.In addition, the arbitrary single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or it is shown Or implicit arbitrary single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into The arbitrary combination of row is deleted, to obtain more other embodiments of the utility model that may do not referred to directly herein. In addition, for the sake of simplifying drawing, same or like technical characteristic may be indicated only at one in the same figure.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot It is construed as a limitation of the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Fig. 1 is the front view of the utility model；Fig. 2 is the left view of the utility model；Fig. 3 is Fig. 1 along the faces A-A section Figure；Fig. 4 is Fig. 1 along the faces B-B vertical view；Fig. 5 is the vertical view of clamp assemblies；Fig. 6 is the front view of clamp assemblies in Fig. 1；Fig. 7 It is the structural schematic diagram of clamp assemblies in Fig. 2；Structural representation when Fig. 8 is clamp assemblies clamping another kind diameter steel pipe in Fig. 7 Figure.Below just the utility model is illustrated in conjunction with Fig. 1-Fig. 8.

As shown in figures 1-8, a kind of Simple And Practical type laboratory steel pipe coating flattening tester, including fixed steel holder, Hydraulic jack 1, objective table 2, the fixed steel holder are by steel top plate 3, steel substrate 4 and to be set to steel top plate 3, the steel column 5 at the end of 4 four angles of steel substrate encloses the cube frame structure being set as, in the lower end of the steel top plate 3 Heart position is connected with a steel briquetting 6, and the upper end center position of the steel substrate 4 is connected with a workbench 7；The hydraulic pressure thousand Jin top 1 is under the upper end center position of workbench 7, the upper end of the hydraulic push rod 23 of the hydraulic jack 1 and objective table 2 Centre Joint, the top of the hydraulic push rod 23 is held to be arranged with an axle sleeve 8, the axle sleeve 8 passes through with hydraulic push rod 23 Clamping screw Joint is arranged with the sliding sleeve 9 being slidably connected therewith on the steel column 5, each sliding sleeve 9 and axle sleeve 8 Between be connected by connecting rod 10, the both sides of the objective table 2, which are arranged with, can be clamped multiple diameter specification steel pipe 22 and with fixed The clamp assemblies of bit function, the lower end of the clamp assemblies and 10 Joint of connecting rod below.

As an example, the present apparatus provides enough power by the hydraulic drive of hydraulic jack 1, is applied to 2 bottom of objective table Portion, objective table 2 and the steel briquetting 6 of 3 lower end of steel top plate form a parallel space, by changing distance between the two, Cause 22 crimp of steel pipe, reach flattening test purpose, steel pipe 22 is removed after flattening, its coating is checked, to examine steel The deformation performance of coating when pipe is crushed to predetermined size, the present apparatus is simple in structure, easy to operate, takes up space small, cheap, side Just practical；When work, between steel pipe 22 to be checked is inserted into two clamp assemblies, since clamp assemblies have positioning function, The steel pipe 22 to be checked being clamped between two clamp assemblies is axially lain in a horizontal plane on objective table 2, and right with hydraulic push rod 23 In, automatic centering positioning keeps steel pipe 22 vertical with compression direction, without needing manpower to help steel pipe with reality operate in the past in The positioning of existing steel pipe, not only increases the accuracy of test, and improve the safety of test；In addition, clamp assemblies are applicable in In the steel pipe 22 of clamping multiple diameter specification, and clamp assemblies are simple in structure, easy to operate so that the present apparatus is suitable for a variety of The steel pipe 22 of diameter specifications is tested, and the practicability of device is improved；The top of hydraulic push rod 23 is arranged with an axle sleeve 8, axis By clamping screw Joint, the sliding sleeve 9 being slidably connected therewith is arranged on steel column 5 with hydraulic push rod 23 for set 8, each sliding Set 9 and axle sleeve 8 between be connected by connecting rod 10, when the hydraulic push rod 23 of hydraulic jack 1 does telescopic moving, axle sleeve 8 with Hydraulic push rod 23 moves up and down, due between sliding sleeve 9 and axle sleeve 8 by connecting rod 10, the edge therewith of sliding sleeve 9 in axle sleeve moving process Steel column 5 slides up and down, and clamp assemblies is driven smoothly to move up and down, and then realizes that clamp assemblies are protected with objective table 2 always It holds opposing stationary, ensures being normally carried out for test.

For further, it can also consider in the present invention, the clamp assemblies include pedestal 11 and " V The clamping plate 12 of type ", the upper surface of the pedestal 11 offer a rectangular recess 13, in the rectangular recess 13 along its length The slide bar 14 being attached thereto equipped at least two, it is forward and backward in the rectangular recess 13 to be arranged with slide 15, on the slide 15 Offer the slide opening being slidably connected with slide bar 14, on the slide bar 14 between two slides 15, the slide 15 and rectangle it is recessed Adjustable spring 16 is arranged on slide bar 14 between slot 13 respectively, the upper end center of the clamping plate 12 is rotatably connected with rotation Axis 17, the upper end of two lower ends of the clamping plate 12 respectively with two slides 15 are hinged.

It should be pointed out that the slide bar 14 is vertically arranged with steel pipe 22.

It should be pointed out that the upper end center position of the pedestal 11 is equipped with a supporting plate 18, the supporting plate 18 is located at rectangle The upper end of groove 13, and the upper end Joint of the lower end of the supporting plate 18 and pedestal 11, the upper surface of the supporting plate 18 are equipped with the The material of one cushion pad 19, first cushion pad 19 is rubber material, upper surface and the objective table 2 of first cushion pad 19 Upper surface be flush.

As an example, when steel pipe 22 to be checked being inserted between two clamp assemblies, steel pipe 22 is inserted in " reverse V-shaped " Between clamping plate 12 and supporting plate 18, since the upper end center of clamping plate 12 is rotatably connected with rotation axis 17 so that pressed from both sides by adjusting The aperture of plate 12 can be inserted into the steel pipe of different diameter specifications between clamping plate 12 and supporting plate 18, another when being inserted into clamp assemblies When kind diameter steel pipe (as shown in Figure 8), the distance between two slides 15 change, and the aperture of clamping plate 12 also changes therewith, Since upper end of two lower ends respectively with two slides 15 of clamping plate 12 is hinged, it is recessed that two slides 15 are respectively symmetrically set to rectangle It is slidably connected in slot 13 and with slide bar 14, and adjustable spring 16 is arranged on the slide bar 14 between two slides 15 so that pass through The distance between two slides 15 are adjusted, the aperture of clamping plate 12 is adjusted so that the present apparatus is suitable for multiple diameter specification Steel pipe 22 is tested, and the practicability of device is improved；And due to the elastic reaction of adjustable spring 16, respectively to two slides 15 Outside elastic force is generated, then so that steel pipe 22 is by the stable underface for being held on clamping plate 12, then so that steel pipe 22 is axial Lie in a horizontal plane on objective table 2, and with 23 centering of hydraulic push rod, realize automatic centering positioning, keep steel pipe 22 and compression direction Vertically, without needed operate in the past in manpower help steel pipe to realize the positioning of steel pipe, not only increase the accuracy of test, And improve the safety of test；And during flattening, the deformation therewith of steel pipe 22, and since the elasticity of adjustable spring 16 is made With, when 22 shape of steel pipe in clamp assemblies changes therewith, do not influence clamping action of the clamp assemblies to steel pipe 22, ensure Test is normally carried out, and the upper surface and the upper surface of objective table 2 for the first cushion pad 19 that the upper surface of supporting plate 18 is equipped with are mutually neat Flat, the first cushion pad 19 can reduce abrasion of the supporting plate 18 to steel pipe side wall.

For further, it can also consider in the present invention, the clamping plate 12 is close to the side of pedestal 11 along it Length direction is equipped with second cushion pad 20, and the material of second cushion pad 20 is rubber material.Second cushion pad 20 can Reduce abrasion of the clamping plate 12 to steel pipe side wall.

For further, it can also consider in the present invention, the side of the hydraulic jack 1 is equipped with manipulator Handle 21, the intubation installation of the operation handle 21 is on the table 7.Hydraulic jack 1 can be controlled by operation handle 21 System.

For further, it can also consider in the present invention, the distance between two described clamp assemblies are more than The length of the steel briquetting 6.During flattening, steel briquetting 6 flattens steel pipe 22, due between two clamp assemblies Distance be more than the steel briquetting 6 length, steel briquetting 6 will not to clamp assemblies generate damage, clamp assemblies will not Flattening process is had an impact.

It should be noted that the concrete structure of the hydraulic jack used in the present apparatus, operation principle are related neck already Known to the personnel in domain, details are not described herein.

In conclusion the utility model provide it is a kind of simple in structure, it is easy to operate, take up space small, it is cheap, facilitate reality With, and improve the safety of test, accuracy Simple And Practical shaped steel pipe coating flatten tester.

The utility model is described in detail in above example, but the content is only the preferable reality of the utility model Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model Variation and improvement etc., should all still belong within the patent covering scope of the utility model.

Claims (7)

1. a kind of Simple And Practical type laboratory steel pipe coating flattens tester, including fixed steel holder, hydraulic jack, loading Platform, the fixed steel holder are by steel top plate, steel substrate and set on steel top plate, four angles of steel substrate end Steel column enclose the cube frame structure being set as, the lower end center of the steel top plate is connected with a steel briquetting, The upper end center position of the steel substrate is connected with a workbench, it is characterised in that：

The hydraulic jack is set to the upper end center position of workbench, the upper end of the hydraulic push rod of the hydraulic jack and load The top of the lower center portion Joint of object platform, the hydraulic push rod is arranged with an axle sleeve, and the axle sleeve is logical with hydraulic push rod Cross clamping screw Joint, the sliding sleeve being slidably connected therewith be arranged on the steel column, each sliding sleeve and axle sleeve it Between be connected by connecting rod, the both sides of the objective table, which are arranged with, can be clamped multiple diameter specification steel pipe and with positioning function Clamp assemblies, the lower end of the clamp assemblies and connecting rod Joint below.

2. a kind of Simple And Practical type laboratory according to claim 1 steel pipe coating flattens tester, it is characterised in that：Institute It includes pedestal and the clamping plate of " reverse V-shaped " to state clamp assemblies, and the upper surface of the pedestal offers a rectangular recess, the square It is provided along its length at least two slide bars being attached thereto in connected in star, it is forward and backward in the rectangular recess to be arranged with cunning Seat, offers the slide opening being connect with sliding bar on the slide, on the slide bar between two slides, the slide and square Adjustable spring is arranged on slide bar between connected in star respectively, the upper end center of the clamping plate is rotatably connected with rotation axis, Upper end of two lower ends of the clamping plate respectively with two slides is hinged.

3. a kind of Simple And Practical type laboratory according to claim 2 steel pipe coating flattens tester, it is characterised in that：Institute Slide bar is stated to be vertically arranged with steel pipe.

4. a kind of Simple And Practical type laboratory according to claim 2 steel pipe coating flattens tester, it is characterised in that：Institute The upper end center position for stating pedestal is equipped with a supporting plate, and the supporting plate is located at the upper end of rectangular recess, and the lower end of the supporting plate and The upper surface of the upper end Joint of pedestal, the supporting plate is equipped with the first cushion pad, and the material of first cushion pad is rubber material Matter, the upper surface of first cushion pad and the upper surface of objective table are flush.

5. a kind of Simple And Practical type laboratory according to claim 2 steel pipe coating flattens tester, it is characterised in that：Institute It states clamping plate and is provided along its length second cushion pad close to the side of pedestal, the material of second cushion pad is rubber Material.

6. a kind of Simple And Practical type laboratory according to claim 1 steel pipe coating flattens tester, it is characterised in that：Institute The side for stating hydraulic jack is equipped with operation handle, and the intubation installation of the operation handle is on the table.

7. a kind of Simple And Practical type laboratory according to claim 1 steel pipe coating flattens tester, it is characterised in that：Two The distance between a described clamp assemblies are more than the length of the steel briquetting.