CN211904954U

CN211904954U - Novel drop hammer impact testing machine

Info

Publication number: CN211904954U
Application number: CN202020358655.7U
Authority: CN
Inventors: 王本钊
Original assignee: Jinan Shangtai Test Instrument Co ltd
Current assignee: Jinan Shangtai Test Instrument Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-10
Anticipated expiration: 2030-03-20

Abstract

The novel drop hammer impact testing machine comprises a drop hammer impact testing machine body, a plurality of guide groove plates and a fixing plate; support columns are respectively arranged on the periphery of the lower end of the rack of the drop hammer impact testing machine body; every two guide slot plates with the same height of the plurality of additional guide slot plates are divided into a group, and the heights of the plurality of groups of additional guide slot plates are different; the upper end of each group of the auxiliary guide groove plates with the same specification and the lower ends of the two hammer guide groove plates are respectively fixed together; the test bench of the drop hammer impact tester body is arranged at the lower end of the middle part of the support column. This novel user can conveniently increase and decrease the length of two hammer block guide way board lower parts, and the hammer block can be more along the guide way board distance of going downwards through the deflector of the left and right sides, not only can conveniently realize higher height by the test sample gravity impact test, can also effectively guarantee lower height by the test material carry out the gravity impact test. Based on the above, this is novel has good application prospect.

Description

Novel drop hammer impact testing machine

Technical Field

The utility model relates to an experimental facilities field, especially a novel drop hammer impact tester.

Background

The drop hammer impact testing machine is suitable for testing the external impact resistance of various PVC-U water supply pipes, blow-off pipes, low-pressure water supply pipes, core layer foaming pipes, double-wall corrugated pipes, PE water supply pipes, wood or plastic plates, pipeline steel, ferrite steel, reinforced concrete structural parts, automobile steering wheels, lithium battery packs, locomotive vehicle buffers, steel rails and the like.

As shown in figure 1, the existing drop hammer impact tester 1-1 is limited by its structure, in the process of the up-and-down movement of the hammer 1-2, the hammer 1-2 moves up and down along the middle part of the two sides of the drop hammer impact tester frame 1-4 and the inner side of the hammer guide groove plate 1-5 vertically distributed via the guide plates 1-3 on the left and right sides, because the upper and lower ends of the guide groove plate 1-5 and the upper and lower ends of the frame 1-4 are fixed together, the up-and-down height of the guide groove plate 1-5 is fixed, the distance of the up-and-down movement of the hammer 1-2 is also fixed, that is, because the distance between the lower end of the hammer 1-2 and the upper end of the lower part of the frame 1-4 is fixed, the height of the tested sample material is limited, so that the user can not meet the requirement when the user needs to perform impact test on the, it also causes limitation in application of the drop weight impact tester 1-1.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the distance between the lower end of the hammer body and the upper end of the lower part of the frame is fixed, the height of a tested sample material is limited, and the requirement of a user on impact test of a material with higher height cannot be met, so that the application of the drop hammer impact testing machine has limitation due to the structure limitation of the existing drop hammer impact testing machine, the utility model provides a drop hammer impact testing machine which is characterized in that a support column is arranged at the lower end of the frame of a drop hammer impact testing machine body, the lower end of the frame and the ground are suspended and separated by a larger distance, the distance between the lower end of the frame and a ground test bench (the height of the test bench is fixed, the lower end is welded on a lower support plate at the lower middle part of the support column) is larger than the height of a high-height test sample to be tested, and the lower parts, in practical application, the user can conveniently increase and decrease the length of two hammer guide groove plate lower parts, and for the down direction of the hammer, because the length of the guide groove plate is increased, the hammer can move down along the guide groove plate by more distances through the guide plates on the left and right sides, so that the gravity impact test of a tested sample with higher height can be realized, and the novel drop hammer impact test machine for the gravity impact test of a tested material with lower height can be effectively ensured.

The utility model provides a technical scheme that its technical problem adopted is:

the novel drop hammer impact testing machine comprises a drop hammer impact testing machine body and is characterized by also comprising a plurality of additional guide groove plates and a fixing plate; support columns are respectively arranged on the periphery of the lower end of the rack of the drop hammer impact testing machine body; the lower parts of the two hammer body guide groove plates of the drop hammer impact testing machine body are in an open structure in the transverse direction, and the lower ends of the guide groove plates are in an open structure; every two guide slot plates with the same height of the plurality of the additional guide slot plates are divided into a group, and the heights of the plurality of groups of the additional guide slot plates are different; the lower front and rear outer side ends of the two hammer guide groove plates are respectively distributed with a plurality of screw seats at intervals from top to bottom; a plurality of screw seats are respectively distributed at intervals from top to bottom at the front and rear outer side ends of the upper part of each auxiliary guide groove plate; the upper end of each group of the auxiliary guide groove plates with the same specification and the lower ends of the two hammer guide groove plates are respectively fixed together; the test bench of the drop hammer impact tester body is installed at the lower end of the middle part of the support column.

Further, the lowest end of the frame of the drop hammer impact testing machine body is positioned in the middle of the support column.

Furthermore, the appearance of the auxiliary guide groove plate is consistent with that of the two hammer body guide groove plates of the drop hammer impact testing machine body.

The utility model has the advantages that: the utility model is characterized in that a support column is arranged at the lower end of a frame of a drop hammer impact testing machine body, the lower end of the frame and the ground are suspended and separated by a larger distance, the distance between the lower end of the frame and the ground is larger than the height of a high-height test sample to be tested, and the lower parts of two hammer body guide groove plates are transversely arranged into an open structure, in practical application, a user can conveniently install two additional guide groove plates (the length of each two additional guide groove plates is consistent) with different lengths at the lower parts of the two hammer body guide groove plates, the length of the lower parts of the two hammer body guide groove plates is increased and decreased, the hammer body is guided downwards by the guide groove plates at the left and the right sides, and the distance between the hammer body and the guide groove plates is more, thereby not only facilitating the gravity impact test of the tested sample with higher height, and the gravity impact test of the tested material with lower height can be effectively ensured (the height of the sample is lower than that of the auxiliary guide groove plate or the negative guide groove plate, so that the two auxiliary guide groove plates are prevented from being too long in downward height and contacting with the upper parts of the left end and the right end of the tested sample, and the experiment cannot be carried out). Based on the above, this is novel has good application prospect.

Drawings

Fig. 1 is a schematic structural view of a conventional drop weight impact tester.

Fig. 2 is a schematic diagram of the structure of the present invention.

Fig. 3 is a schematic view of a partial structure of the present invention.

Detailed Description

As shown in fig. 2 and 3, the novel drop hammer impact tester comprises a drop hammer impact tester body 1, and is further provided with a plurality of additional guide groove plates 2 and a fixing plate 3; the lower end of a frame 101 of the drop hammer impact testing machine body is provided with a rectangular supporting plate 102 through a screw nut, and the middle part of the supporting plate 102 is provided with a rectangular opening 103; the periphery of the lower end of the supporting plate 102 is respectively provided with one supporting column 104, and a plurality of fixing rods are arranged among the four supporting columns 104 through screw nuts; the lower parts of two hammer body guide groove plates 4 of the drop hammer impact testing machine body are in an open structure in the transverse direction, and the lower ends of the guide groove plates 4 are in an open structure; every two guide groove plates 2 with the same height of the plurality of the additional guide groove plates 2 are divided into a group, and the heights of the plurality of groups of the additional guide groove plates 2 are different; the lower front and rear outer side ends of the two hammer guide groove plates 4 are respectively welded with a plurality of screw seats 41 at intervals from top to bottom; a plurality of screw seats 21 are respectively welded on the front and rear outer side ends of the upper part of each auxiliary guide groove plate 2 at intervals from top to bottom; a plurality of openings are distributed on each fixing plate 3 at intervals from top to bottom; the upper ends of each group of the auxiliary guide groove plates 2 with the same specification are fixed together through a fixed plate 3, a screw and the lower ends of two hammer guide groove plates 4, and an upper and lower end outer fixed plate 22 in the middle of the outer side ends of each group of the two auxiliary guide groove plates 2 and upper and lower end outer fixed plates 1051 positioned at the inner sides of fixed columns 105 at the outer side ends of the two hammer guide groove plates are installed together through screw nuts; the test bench 5 of the drop hammer impact tester body is arranged on the lower support plate 6 at the lower end of the middle part of the support column 104 in the middle through a screw nut.

As shown in fig. 2 and 3, the lowest end of the frame 101 of the drop hammer impact tester body, including the two hammer guide groove plates 4 of the drop hammer impact tester body, is located at the lower end of the support plate opening 103. The two hammer body guide groove plates 4 attached with the shapes of the guide groove plates 2 and the drop hammer impact testing machine body are completely consistent in height and shape and are made of rectangular steel with openings at the inner side ends from top to bottom and with closed structures at the front side, the rear side and the outer side. The upper and lower spacing of the multiple screw seats 41 of the two hammer guide groove plates is consistent with the upper and lower spacing of the multiple screw seats 21 at the front and rear outer side ends of the upper part of each auxiliary guide groove plate, and the number of the screw seats is consistent; the plurality of mounting holes of the outer fixing plates 22 at the upper and lower ends of the middle part of the outer side end of each two auxiliary guide groove plates in a plurality of groups are consistent in vertical spacing and quantity, and are consistent in vertical spacing and quantity with the plurality of mounting holes of the outer fixing plates 1051 at the upper and lower ends of the inner side of the fixed column.

Fig. 2, 3 show, this novel support column 104 is installed to the frame lower extreme at drop hammer impact tester body 1, unsettled and the great distance in interval with frame lower extreme and ground, be greater than the sample height of required test, the interval is greater than the high test sample height that needs the test on frame lower extreme and the ground test bench 5 of drop hammer impact tester body 1 (testboard 3 height is fixed, the lower extreme welds on the bottom suspension fagging 6 at middle part under support column 104), and set up to open structure between 4 lower parts of two hammer block deflector plates. In practical application, a user can conveniently install two auxiliary guide groove plates 2 (the length of each group of two auxiliary guide groove plates is consistent) with different lengths at the lower parts of the two hammer body guide groove plates 4 according to needs, increase and decrease the length (height) of the lower parts of the two hammer body guide groove plates 4 to guide the hammer body 7 of the drop hammer impact testing machine body 1 downwards, when a sample to be tested is high, the two auxiliary guide groove plates 2 with short height are installed at the lower parts of the two hammer body guide groove plates 4, otherwise, the two auxiliary guide groove plates 2 with long height are installed at the lower parts of the two hammer body guide groove plates 4. When the auxiliary guide groove plates 2 are installed, the upper end of each auxiliary guide groove plate 2 is aligned with the lower part of the hammer body guide groove plate 4 in the front-back and left-right directions, then a plurality of screws are respectively screwed into the screw base internal threads at the lower ends of the front and back parts of the hammer body guide groove plate 4 and the upper ends of the front and back parts of the auxiliary guide groove plates 2 through the openings at the upper and lower ends of the two fixing plates 3, and then the upper and lower outer fixing plates 22 at the middle parts of the outer ends of each two auxiliary guide groove plates 2 and the fixing columns 105 of the drop hammer impact tester body 1 positioned at the outer ends of the two hammer body guide groove plates 4 (the downward height of the fixing columns 105 is lower than the downward height of the guide groove plates 4 and the hammer body guide groove plates 101) are installed together through screw nuts, so that the two auxiliary guide groove plates 2 with required length can be respectively installed at the. When the novel falling hammer impact testing machine works, the motor reducing mechanism of the falling hammer impact testing machine body 1 drives the hammer body to rise along the hammer body guide groove plate 4 of the rack through the steel wire rope, then after a certain height is reached, the hammer body 7 is released to fall to impact a test material on the test board, because the length (height) of the guide groove plate 4 is increased, the motor reducing mechanism can unreel longer length of the steel wire rope when the falling hammer impact testing machine body 1 works, in this way, the hammer body 7 can go down more along the guide groove plates 71 of the two hammer bodies through the guide plates 7 on the left side and the right side, not only can the gravity impact test of a tested sample with higher height be conveniently realized, but also the gravity impact test of the tested material with lower height can be effectively ensured (the sample with lower height is prevented from being contacted with the upper parts of the left end and the right end of the tested sample by using the auxiliary guide groove, rendering the experiment inoperable).

Having shown and described the fundamental principles and essential features of the invention, and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The novel drop hammer impact testing machine comprises a drop hammer impact testing machine body and is characterized by also comprising a plurality of additional guide groove plates and a fixing plate; support columns are respectively arranged on the periphery of the lower end of the rack of the drop hammer impact testing machine body; the lower parts of the two hammer body guide groove plates of the drop hammer impact testing machine body are in an open structure in the transverse direction, and the lower ends of the guide groove plates are in an open structure; every two guide slot plates with the same height of the plurality of the additional guide slot plates are divided into a group, and the heights of the plurality of groups of the additional guide slot plates are different; the lower front and rear outer side ends of the two hammer guide groove plates are respectively distributed with a plurality of screw seats at intervals from top to bottom; a plurality of screw seats are respectively distributed at intervals from top to bottom at the front and rear outer side ends of the upper part of each auxiliary guide groove plate; the upper end of each group of the auxiliary guide groove plates with the same specification and the lower ends of the two hammer guide groove plates are respectively fixed together; the test bench of the drop hammer impact tester body is installed at the lower end of the middle part of the support column.

2. The new drop hammer impact tester according to claim 1, wherein the lowest end of the frame of the drop hammer impact tester body is located in the middle of the support column.

3. The new drop hammer impact tester according to claim 1, wherein the profile of the additional guide groove plate is identical to the profile of the two hammer guide groove plates of the drop hammer impact tester body.