CN218496601U

CN218496601U - Clamping device for plastic corrugated pipe drawing force test

Info

Publication number: CN218496601U
Application number: CN202222659436.4U
Authority: CN
Inventors: 邱来华
Original assignee: Taizhou Changtong Pipe Industry Co ltd
Current assignee: Taizhou Changtong Pipe Industry Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-17
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a test clamping device of plastic corrugated pipe drawing force relates to test equipment technical field. The utility model comprises a base, a fixed frame and a drawing device, wherein the bottom end of the drawing device is fixedly connected with a movable plate, and one surface of the movable plate opposite to the base is fixedly connected with a clamping component; the clamping assembly comprises a connecting sleeve, a plurality of L-shaped supports are distributed on the circumference of the outer circular surface of the connecting sleeve in an array mode, a sliding rod is fixedly connected between the inner top of each L-shaped support and the connecting sleeve, a moving block is sleeved on each sliding rod, and an extrusion spring sleeved on each sliding rod is fixedly connected between the top of each moving block and the inner wall of each L-shaped support. The utility model discloses a simultaneous drive arc cardboard has realized the clamping action to the bellows towards the removal of connecting sleeve centre of a circle department, has improved the centre gripping effect moreover, avoids appearing leading to the condition emergence that the centre gripping pine takes off because of the deformation of bellows centre gripping department.

Description

Clamping device for plastic corrugated pipe drawing force test

Technical Field

The utility model belongs to the technical field of test equipment, especially, relate to a experimental clamping device of plastic corrugated pipe drawing force.

Background

In recent years, plastic corrugated pipes are widely used in equipment manufacturing, engineering installation and concrete bridge application, the produced plastic corrugated pipes are usually subjected to a drawing force test and can be shipped only when meeting quality requirements, and in the test process, the plastic corrugated pipes are usually clamped by a clamping device and are tested by a drawing device.

Through retrieval, the current chinese patent No. CN216926056U discloses a clamping device for plastic corrugated pipe drawing force test, which comprises a base, a fixing frame and a drawing device, wherein two sides of the bottom of the fixing frame are fixedly connected with two sides of the top of the base, the top of the drawing device is fixedly connected with the top of the fixing frame, and two sides of the bottom of the inner side of the fixing frame are both fixed with a first fixing cylinder. The utility model discloses a set up first push rod and second push rod, can be just that first push rod and second push rod promote the grip block and remove and carry out the centre gripping to corrugated plastic pipe, simultaneously can the person of facilitating the use carry out the centre gripping to corrugated plastic pipe of variation in size through the displacement distance of the second push rod output of adjusting first push rod, can carry out the centre gripping to corrugated plastic pipe automatically, practiced thrift operating time.

This scheme is mainly through first push rod and second push rod promotion grip block removal to plastic corrugated pipe carry out the centre gripping, but when using, how keep the reliability that grip block and bellows are connected, how ensure its centre gripping firm, because under the circumstances of plastic corrugated pipe atress, the condition that probably appears leading to the centre gripping pine to take place because of the deformation of bellows centre gripping department, does not explain in detail this main point in the patent scheme.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test clamping device of plastic corrugated pipe die pull, it removes to drive the slider through the slip shift ring to under connecting plate, spacing post, movable block, slide bar, L shape support and compression spring's cooperation, the simultaneous drive arc cardboard removes towards connecting sleeve centre of a circle department, has realized the clamping action to the bellows, has improved the centre gripping effect moreover, avoids appearing taking off the condition emergence that the centre gripping department warp and lead to the centre gripping because of the bellows pine.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a clamping device for a plastic corrugated pipe drawing force test, which comprises a base, a fixed frame and a drawing device, wherein the bottom end of the fixed frame is fixedly connected with the base, the drawing device is fixedly connected with the inner top of the fixed frame, the bottom end of the drawing device is fixedly connected with a movable plate, one end of the movable plate is slidably connected with the fixed frame, and one surface of the movable plate, which is opposite to the base, is fixedly connected with a clamping component; the clamping assembly comprises a connecting sleeve, a plurality of L-shaped supports are distributed on the circumferential array of the outer circular surface of the connecting sleeve, the bottom ends of the L-shaped supports are fixedly connected with the connecting sleeve, a sliding rod is fixedly connected between the inner top of each L-shaped support and the connecting sleeve, a moving block is sleeved on each sliding rod, and an extrusion spring sleeved on each sliding rod is fixedly connected between the top of each moving block and the inner wall of each L-shaped support; the L-shaped support is characterized in that a guide groove is formed in one side of the L-shaped support, one end of the moving block penetrates through the guide groove and is fixedly connected with a limiting column, one end of the limiting column penetrates through the connecting sleeve and is in sliding fit with the connecting sleeve, a connecting plate is fixedly connected to the top of the limiting column, a sliding block in sliding fit with the connecting sleeve is arranged at one end of the connecting plate, an inclined surface structure is arranged on one side of the sliding block and is in sliding fit with one end of the connecting plate, and a moving ring sleeved on the outer side of the connecting sleeve is arranged on the other side of the sliding block.

As a preferred technical scheme of the utility model, spacing post is located connecting sleeve one end and is equipped with the arc cardboard, arc cardboard outside fixedly connected with screw post, the screw top of the post end extends to in the spacing post and mutual threaded connection.

As a preferred technical scheme of the utility model, the connecting plate is established to the inclined plane structure towards slider one end.

As a preferred technical scheme of the utility model, the shift ring internal diameter is the same with the connecting sleeve external diameter, shift ring one side and an arbitrary slider fixed connection.

As a preferred technical scheme of the utility model, slider bottom fixedly connected with T-shaped piece, connecting sleeve excircle face is opened there is the spacing groove with T-shaped piece matched with.

As a preferred technical scheme of the utility model, two slide rails of inboard interval fixedly connected with of mount, movable plate one end is opened there is the spout with slide rail matched with.

The utility model discloses following beneficial effect has:

1. the utility model discloses a slip shift ring drives the slider and removes to under connecting plate, spacing post, movable block, slide bar, L shape support and compression spring's cooperation, the simultaneous drive arc cardboard removes towards connecting sleeve centre of a circle department, has realized the clamping action to the bellows, has improved the centre gripping effect moreover, avoids appearing leading to the condition emergence that the centre gripping pine takes off because of bellows centre gripping department warp.

2. The utility model discloses an extrusion spring extrusion force drives the movable block and slides for spacing post drives the arc cardboard and removes towards the connecting sleeve centre of a circle department, and arc cardboard card is in the ripple clearance department of bellows this moment, and then carries out the centre gripping to the bellows outside and fix, when the bellows appearance takes place to warp, under the pressure effect of extrusion spring, make the arc cardboard laminate and bellows surface all the time, avoid breaking away from, thereby improve the fixed effect of centre gripping to the bellows.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is the structure schematic diagram of the clamping device for the plastic corrugated pipe drawing force test of the utility model.

Fig. 2 is a schematic structural view of the clamping assembly.

Fig. 3 is a schematic view of fig. 2 from another view angle.

Fig. 4 is a schematic structural diagram of a slider.

FIG. 5 is a schematic structural diagram of the combination of the arc-shaped clamping plate and the threaded column.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-fixed frame, 3-drawing device, 4-moving plate, 401-sliding groove, 5-clamping component, 6-connecting sleeve, 601-limiting groove, 7-L-shaped bracket, 701-guiding groove, 8-sliding rod, 9-moving block, 10-extrusion spring, 11-limiting column, 12-connecting plate, 13-sliding block, 131-T-shaped block, 14-moving ring, 15-arc clamping plate, 16-threaded column, 17-sliding rail and 18-sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The specific embodiment is as follows:

referring to fig. 1-5, the utility model relates to a clamping device for plastic corrugated pipe drawing force test, which comprises a base 1, a fixed frame 2 and a drawing device, wherein the bottom end of the fixed frame 2 is fixedly connected with the base 1, the drawing device 3 is fixedly connected with the inner top of the fixed frame 2, the bottom end of the drawing device 3 is fixedly connected with a movable plate 4, one end of the movable plate 4 is slidably connected with the fixed frame 2, and a surface of the movable plate 4 opposite to the base 1 is fixedly connected with a clamping assembly 5; the clamping assembly 5 comprises a connecting sleeve 6, a plurality of L-shaped supports 7 are distributed on the circumferential array of the outer circular surface of the connecting sleeve 6, the bottom ends of the L-shaped supports 7 are fixedly connected with the connecting sleeve 6, a sliding rod 8 is fixedly connected between the inner top of each L-shaped support 7 and the connecting sleeve 6, a moving block 9 is sleeved on each sliding rod 8, and an extrusion spring 10 sleeved on each sliding rod 8 is fixedly connected between the top of each moving block 9 and the inner wall of each L-shaped support 7; open L shape support 7 one side has

guide way

701, 9 one end of movable block passes guide way 701 and the spacing post 11 of fixedly connected with, 11 one end of spacing post run through to connecting sleeve 6 in and sliding fit each other, 11 top fixedly connected with connecting plates 12 of spacing post, 12 one end of connecting plates is equipped with the slider 13 with connecting sleeve 6 sliding fit, slider 13 one side is established to the inclined plane structure and with connecting plates 12 one end sliding fit, slider 13 opposite side is equipped with the shift ring 14 that the cover was located the connecting sleeve 6 outside, through placing the bellows vertically in mount 2, make its both ends carry out the centre gripping through the centre gripping subassembly 5 that sets up on movable plate 4 and the base 1 respectively and fix.

As shown in fig. 2 and 5, one end of the limiting column 11 in the connecting sleeve 6 is provided with the arc-shaped clamping plate 15, the thread column 16 is fixedly connected to the outer side of the arc-shaped clamping plate 15, the top end of the thread column 16 extends into the limiting column 11 and is in threaded connection with each other, so that the arc-shaped clamping plate 15 is convenient to detach and replace, the arc-shaped clamping plate 15 can be convenient to clamp the ripple gaps of the corrugated pipes of different specifications, and the clamping is convenient to fix.

As shown in fig. 2, the connecting plate 12 is provided with a slope structure toward the slider 13, so that the resistance is reduced when the connecting plate 12 slides on the slope of the slider 13.

As shown in fig. 2 and 3, the inner diameter of the moving ring 14 is the same as the outer diameter of the connecting sleeve 6, one side of the moving ring 14 is fixedly connected with any one of the sliding blocks 13, and the moving ring 14 drives any one of the sliding blocks 13 to slide, so that the limiting posts 11 can be driven to slide at the same time, any arc-shaped clamping block 15 is separated from the clamping of the corrugated pipe, and the corrugated pipe can be conveniently disassembled.

As shown in fig. 2 and 4, the T-shaped block 131 is fixedly connected to the bottom of the slider 13, and the outer circumferential surface of the connecting sleeve 6 is provided with a limiting groove 601 matched with the T-shaped block 131, so that the slider 13 is prevented from being separated from the connecting sleeve 6, and mutual sliding is realized.

As shown in fig. 1, two sliding rails 17 are fixedly connected to the inner side of the fixing frame 2 at intervals, and a sliding groove 401 matched with the sliding rail 17 is formed at one end of the moving plate 4, so as to improve the sliding stability of the moving plate 4.

One specific application of this embodiment is: through placing the bellows vertically in mount 2, and with the bellows both ends respectively through placing in adjacent connecting sleeve 6, then drive slider 13 through slip shift ring 14 and slide, make connecting plate 12 carry out the slider along slider 13 inclined plane, drive spacing post 11 and movable block 9 and shift up in step, and then extrude spring 10, 6 centre of a circle departments of connecting sleeve are kept away from to arc cardboard 15 this moment, then aim at arc cardboard 15 with the ripple clearance on the bellows tip, loosen shift ring 14 this moment, make slider 13 can slide, under the extrusion force effect of extrusion spring 10, drive movable block 9 and move down and make spacing post 11 move down in step, drive the ripple clearance department of arc cardboard 15 joint on the bellows, the realization is fixed to the centre gripping of bellows.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a experimental clamping device of plastic corrugated pipe drawing force, includes base (1), mount (2) and drawing device, mount (2) bottom and base (1) fixed connection, top, its characterized in that in drawing device (3) fixed connection and mount (2):

the bottom end of the drawing device (3) is fixedly connected with a movable plate (4), one end of the movable plate (4) is slidably connected with the fixed frame (2), and the surfaces, opposite to the base (1), of the movable plate (4) are fixedly connected with clamping assemblies (5);

the clamping assembly (5) comprises a connecting sleeve (6), a plurality of L-shaped supports (7) are distributed on the circumferential array of the outer circular surface of the connecting sleeve (6), the bottom ends of the L-shaped supports (7) are fixedly connected with the connecting sleeve (6), a sliding rod (8) is fixedly connected between the inner top of each L-shaped support (7) and the connecting sleeve (6), a moving block (9) is sleeved on each sliding rod (8), and an extrusion spring (10) sleeved on each sliding rod (8) is fixedly connected between the top of each moving block (9) and the inner wall of each L-shaped support (7);

the sliding block structure is characterized in that a guide groove (701) is formed in one side of the L-shaped support (7), one end of the moving block (9) penetrates through the guide groove (701) and is fixedly connected with a limiting column (11), one end of the limiting column (11) penetrates into the connecting sleeve (6) and is in sliding fit with the connecting sleeve, a connecting plate (12) is fixedly connected to the top of the limiting column (11), a sliding block (13) in sliding fit with the connecting sleeve (6) is arranged at one end of the connecting plate (12), an inclined plane structure is arranged on one side of the sliding block (13) and is in sliding fit with one end of the connecting plate (12), and a moving ring (14) sleeved on the outer side of the connecting sleeve (6) is arranged on the other side of the sliding block (13).

2. The clamping device for the plastic corrugated pipe drawing force test is characterized in that an arc-shaped clamping plate (15) is arranged at one end, located in the connecting sleeve (6), of the limiting column (11), a threaded column (16) is fixedly connected to the outer side of the arc-shaped clamping plate (15), and the top ends of the threaded columns (16) extend into the limiting column (11) and are in threaded connection with each other.

3. The clamping device for the pulling force test of the plastic corrugated pipe as claimed in claim 1, wherein one end of the connecting plate (12) facing the sliding block (13) is provided with a slope structure.

4. The clamping device for the pulling force test of the plastic corrugated pipe as claimed in claim 1, wherein the inner diameter of the moving ring (14) is the same as the outer diameter of the connecting sleeve (6), and one side of the moving ring (14) is fixedly connected with any one sliding block (13).

5. The clamping device for the plastic corrugated pipe drawing force test according to claim 1, wherein a T-shaped block (131) is fixedly connected to the bottom of the sliding block (13), and a limiting groove (601) matched with the T-shaped block (131) is formed in the outer circular surface of the connecting sleeve (6).

6. The clamping device for the plastic corrugated pipe drawing force test according to claim 1, wherein two sliding rails (17) are fixedly connected to the inner side of the fixed frame (2) at intervals, and one end of the moving plate (4) is provided with a sliding groove (401) matched with the sliding rails (17).