CN209212774U - A kind of pulley structure, pulley guiding device, lifting device and compression resistance tester - Google Patents

Abstract

The utility model discloses a kind of pulley structure, pulley guiding device, lifting device and compression resistance testers, comprising: pulley body, axis, spring, spring base and adjusting screw；Through-hole is set in the pulley body, and axis passes through the through-hole, and the through-hole setting length is stretched out at the both ends of the axis respectively；Position corresponding with the both ends of axis is respectively equipped with threaded hole on spring base, and spring is equipped in threaded hole, and cooperation, which is equipped with, on threaded hole adjusts screw；Spring one end is contacted with the end of axis, and the other end is contacted with screw is adjusted；By precession or screw out screw, the spring force value of adjustment spring.It enables to idler wheel adaptively to contact with guide profile using spring force value by setting spring, guarantees that guiding is steady, sliding smooth, guiding accuracy is high；Meanwhile the vibration between idler wheel and guide profile has been buffered, it avoids shaking caused test error, improves measuring accuracy.

Description

A kind of pulley structure, pulley guiding device, lifting device and compression resistance tester

Technical field

The utility model relates to carton compression the field of test technology, lead in particular to a kind of pulley structure, pulley To device, lifting device and compression resistance tester.

Background technique

Carton compression tester is primarily adapted for use in the pressure resistance, deformation, stacking test of the packages such as carton, and judges that carton is anti- Whether pressure energy power is qualified.It combines in plastic barrel (edible oil, mineral water), fiber drum, paper can, containers bucket (IBC barrels) etc. The compression test of empty container.And the core component of tester are as follows: liftable top board is mainly used for pushing sample to be tested, survey Test system acquires the pressure value between upper lower platen, the as compressive resistance of sample.To guarantee top board horizontal lifting always, lifting System also needs configuration guiding device-guiding lifting pulley group.Pulley is along the stupefied rolling lifting in an angle of guiding square steel.Because leading To square steel tube straightness have large error, and be between pulley and square steel contact firmly, even if guiding square steel tube and pulley it Between reserve certain interval, the bad straightness of square steel tube vibrates larger when still will lead to pulley rolling.And then lead to tester Top board lifting process in shake, cause the force value fluctuation of acquisition, cause test result inaccurate, error is larger.

Utility model content

In order to vibrate larger, to cause test macro error big problem when solving top board lifting, the utility model proposes A kind of pulley structure, pulley guiding device, lifting device and compression resistance tester, by between spring buffer pulley and square steel tube Vibration, improve guiding accuracy, reduce because shake caused by test error.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of pulley structure disclosed in one or more embodiments, comprising: pulley body, axis, spring, spring base With adjusting screw；Through-hole is set in the pulley body, and axis passes through the through-hole, and the through-hole is stretched out at the both ends of the axis respectively Set length；Position corresponding with the both ends of axis is respectively equipped with threaded hole on spring base, is equipped with spring, threaded hole in threaded hole Upper cooperation, which is equipped with, adjusts screw；Spring one end is contacted with the end of axis, and the other end is contacted with screw is adjusted；Pass through precession or rotation Screw out, the spring force value of adjustment spring.

A kind of pulley guiding device disclosed in one or more embodiments, comprising: above-mentioned pulley structure and lead To sliding part；Pulley body is slided along the sliding part of the guiding.

Further, the sliding part of the guiding includes: wherein one jiao or the angle bar or other bending angles of square steel tube The strip material of degree is set in the periphery of the strip material of wherein one jiao or the angle bar or other bending angles of the square steel tube Sliding fit is set, the circumference included angle of the bending angle and pulley that are oriented to angle bar matches.

Further, the sliding fit is to be oriented to angle bar or other to have the strip material of setting bending angle.

For setting guiding angle bar as sliding fit, main purpose is that idler wheel and guiding angle bar contact is allowed to roll, and prevents from rolling Wheel directly rolls on square steel, wears the surface of square steel.

Further, the sliding part of the guiding is wherein one jiao or the angle bar or other bending angles of square steel tube Strip material；The bending angle of the strip material of wherein one jiao or the angle bar or other bending angles of square steel tube and pulley Circumference included angle matches.

When the sliding part of guiding selects wear-resistant material (such as wear-resisting stainless steel material) to be made, cunning can be saved completely Dynamic matching piece, allows idler wheel directly to roll on square steel.

A kind of lifting device disclosed in one or more embodiments, comprising: above-mentioned pulley guiding device.

A kind of compression resistance tester disclosed in one or more embodiments, comprising: the above-mentioned pulley of at least two groups is led To device, pulley structure is fixed on top board by pulley base, and pulley body is slided along the sliding part of guiding, is pressed in guiding The lifting of plate.

Compared with prior art, the utility model has the beneficial effects that

The pulley structure of the application is small in size, and structure is simple, novel, easy to assembly；By the way that spring is arranged, spring force is utilized Value, enables to idler wheel adaptively to contact with guide profile, guarantees that guiding is steady, sliding smooth, guiding accuracy is high；Meanwhile it buffering Vibration between idler wheel and guide profile avoids shaking caused test error, improves measuring accuracy.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.

Fig. 1 is pulley guiding device structural schematic diagram；

Fig. 2 is pulley guiding device sectional view；

Fig. 3 is carton compression tester structural schematic diagram；

Wherein, 1. pulley base, 2. spring bases, 3. idler wheels, 4. axis, 5. springs, 6. nuts, 7. screws, 8. stainless steels guiding Angle bar, 9. square steel tubes, 10, top board, 11, lower platen, 12, pulley guiding device

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms that the utility model uses have the ordinary skill people with the application technical field The normally understood identical meanings of member.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Embodiment one

A kind of pulley structure is disclosed in one or more embodiments, comprising: pulley body, axis 4, spring 5 and bullet Spring abutment 2, screw 7 and nut 6；Through-hole is set in pulley body, and axis 4 passes through through-hole, and pulley, which is through on axis 4, to be rotated, the both ends of axis 4 Each extend over out through-hole setting length；In this way, axis 4 is divided into three sections by through-hole, interlude is in through-hole, and both sides section is respectively in through-hole Outside；The both sides section of axis 4 is square on one side at least within.

Pulley body, that is, idler wheel 3, idler wheel 3 can be metal or nonmetallic materials.

As shown in Fig. 2, two threaded holes are arranged in spring base 2, it is respectively set on two threaded holes and adjusts screw 7；Screw thread The setting position in hole matches with the square face in the both sides section of axis 4, and spring 5 is arranged in threaded hole, one end of spring 5 and axis The rectangular face contact of 4 both sides section, 5 other end of spring are contacted with screw 7 is adjusted.It is closed by 7 adjustment spring force value of rotary screw After suitable, nut 6 is tightened, the length that screw 7 is screwed into spring base 2 is fixed.

By precession screw 7, can compressed spring 5, increase the spring force value of spring 5, thus forward to 3 one, idler wheel Motive force so that idler wheel 3 and stainless steel guiding angle bar 8 between contact dynamics increase；Similarly, by screwing out screw 7, release The spring force value of spring 5, spring 5 reduces, so that the contact dynamics between idler wheel 3 and stainless steel guiding angle bar 8 reduces.

Embodiment two

A kind of pulley guiding device is disclosed in one or more embodiments, as shown in Figure 1, comprising: embodiment one In pulley structure and guiding sliding part；Idler wheel 3 is slided along the sliding part of guiding.

Wherein, the sliding part of guiding may is that the length of wherein one jiao or the angle bar or other bending angles of square steel tube 9 Strip material, in the periphery setting stainless steel of the strip material of wherein one jiao or the angle bar or other bending angles of square steel tube 9 It is oriented to angle bar 8, the bending angle of stainless steel guiding angle bar 8 and the circumference included angle of pulley match.

The purpose that guiding angle bar 8 is arranged is that idler wheel 3 and guiding angle bar 8 is allowed to contact, and prevents idler wheel 3 from directly rolling on square steel It is dynamic, wear the surface of square steel.

It should be noted that stainless steel guiding angle bar 8 can also use other hard, wear-resistants and have bending angle Strip material.

By adjusting screw 7 come the pressure of adjustment spring 5, pushing rolling wheels 3 are mobile, during guiding, guarantee 3 He of idler wheel It is oriented to the seamless contact of angle bar 8, and choking phenomenon does not occur.

Embodiment three

A kind of pulley guiding device is disclosed in one or more embodiments, comprising: the cunning of pulley structure and guiding Dynamic portion；Idler wheel 3 is slided along the sliding part of guiding.

Wherein, the sliding part of guiding may is that the length of wherein one jiao or the angle bar or other bending angles of square steel tube 9 Strip material, the bending angle of the strip material of wherein one jiao or the angle bar or other bending angles of square steel tube 9 and pulley Circumference included angle matches.The strip material of square steel tube 9 or angle bar or other bending angles select stainless steel material or Other hard wear-resistant materials of person are made.

By precession screw 7, can compressed spring 5, increase the spring force value of spring 5, thus forward to 3 one, idler wheel Motive force so that wherein between one jiao or angle bar or the strip material of other bending angles of spring 5 and square steel tube 9 Contact dynamics increases；Similarly, by screwing out screw 7, the spring force value of release spring 5, spring 5 reduces, so that spring 5 and square steel The wherein contact dynamics between one jiao or angle bar or the strip material of other bending angles of pipe 9 reduces.

Pulley structure is identical as in embodiment one, repeats no more.

Example IV

A kind of lifting device is disclosed in one or more embodiments, comprising: embodiment two or embodiment three Pulley guiding device, idler wheel 3 are moved up and down along the sliding part of guiding, realize guiding lifting.

Embodiment five

A kind of carton compression tester is disclosed in one or more embodiments, as shown in Figure 3, comprising: embodiment Two or embodiment three pulley guiding device 12, see circle inner part in Fig. 3；Pulley structure is fixed on by pulley base 1 On four angles of pressing plate 10, it is of course also possible to which the other positions of top board 10 are arranged in；Lower platen is set below top board 10 11, sample is located on lower platen 11, and top board 10 pushes sample, and tester acquires the pressure value of sample deformation.Pulley body edge Guiding sliding part sliding, to be oriented to the lifting of top board 10.

The sliding part of guiding can select wherein one jiao of square steel tube 9, and be tightly fastened guiding angle bar in the periphery at the angle 8。

Idler wheel 3 is rolled directed along guiding angle bar 8, and guiding top board 10 upwardly or downwardly moves.By precession or Screw 7 is screwed out, the contact force between adjustable idler wheel 3 and guiding angle bar 8, such idler wheel 3 is just with suitable dynamics and guiding Angle bar 8 contact, spring 5 can cushion idler 3 and guiding angle bar 8 between vibration, avoid shaking it is larger, influence value test.

It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model Within enclosing.

Claims (7)

1. a kind of pulley structure characterized by comprising pulley body, axis, spring, spring base and adjusting screw；The pulley Through-hole is set on ontology, and axis passes through the through-hole, and the through-hole setting length is stretched out at the both ends of the axis respectively；On spring base with The corresponding position in the both ends of axis is respectively equipped with threaded hole, and spring is equipped in threaded hole, and cooperation, which is equipped with, on threaded hole adjusts screw； Spring one end is contacted with the end of axis, and the other end is contacted with screw is adjusted；By precession or screw out screw, the bullet of adjustment spring Spring force value.

2. a kind of pulley guiding device characterized by comprising the sliding part of pulley structure described in claim 1 and guiding； Pulley body is slided along the sliding part of the guiding.

3. a kind of pulley guiding device as claimed in claim 2, which is characterized in that the sliding part of the guiding includes: square steel Wherein one jiao or the angle bar of pipe perhaps other bending angles strip material the square steel tube wherein one jiao or angle bar Or the periphery setting sliding fit of the strip material of other bending angles, the bending angle of sliding fit and the circle of pulley All included angles match.

4. a kind of pulley guiding device as claimed in claim 3, which is characterized in that the sliding fit be guiding angle bar or Other strip materials with setting bending angle of person.

5. a kind of pulley guiding device as claimed in claim 2, which is characterized in that the sliding part of the guiding is square steel tube The wherein strip material of one jiao or angle bar or other bending angles；Wherein one jiao or the angle bar of square steel tube or other are curved The bending angle of the strip material of dog-ear degree and the circumference included angle of pulley match.

6. a kind of lifting device characterized by comprising the described in any item pulley guiding devices of claim 2-5.

7. a kind of compression resistance tester characterized by comprising the described in any item pulley guiding of at least two groups claim 2-5 Device, pulley structure are fixed on top board by pulley base, and pulley body is slided along the sliding part of guiding, are oriented to top board Lifting.