Linear lead screw test tool

Abstract

The utility model belongs to the technical field of live tool detection, and particularly relates to a linear lead screw test tool, which is characterized by comprising a first connecting end and a second connecting end, the first connecting end and the second connecting end are respectively matched with connectors on two sides of a tension tester, the first connecting end comprises a first side plate, a second side plate, a front shaft, a rear shaft and a tension plate, the front shaft is provided with a seat plate, and the rear shaft is provided with a clamping plate. An arc bottom groove is formed in the inner side of the seat plate, and the outer side of the through hole is opened to form a channel for the linear lead screw to enter and exit; a tension plate is arranged in the middle of the rear shaft, and partition blocks are arranged between the tension plate and the first side plate and between the tension plate and the second side plate respectively. A lug plate is arranged on the second connecting end and matched with the fork connecting end of the linear lead screw. The utility model has the beneficial effects that the structure of the linear lead screw is combined and utilized to the greatest extent, the number of auxiliary connecting pieces can be reduced to the greatest extent on the premise of ensuring that relevant detection items are completed according to national detection standards, and the manufacturing cost of the tool is reduced; and rapid detection of a large batch of linear lead screws can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electrified tool detection technical field, especially, a kind of linear screw test tool. BACKGROUND

[0002] In the maintenance construction of extra-high voltage transmission line, it is often necessary to replace continuous multiple insulators (i.e. insulator string), and the insulators of 500 kilovolt ultra-high voltage transmission line are replaced by manually tightening and loosening load bearing lead screw. The force for operating linear lead screw is large, which is easy to be damaged in use, so it is necessary to regularly detect linear lead screw to avoid safety accidents.

[0003] The national standard GB / T976-2017 stipulates the test standard of linear lead screw, but does not mention the corresponding tool structure, and how to realize rapid detection is the key point of design, and there are few reports at present. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a linear lead screw test tool, overcoming the shortcomings of prior art, combining the structure of linear lead screw, cooperating with tension machine tool connector, adopting side slot concave bottom tension bearing frame, which not only ensures the rapid connection of linear lead screw, but also maximally reduces the number of auxiliary connecting pieces, and can realize the rapid detection of large quantities of linear lead screw.

[0005] To achieve the above-mentioned purpose, the utility model realizes the following technical scheme:

[0006] The linear lead screw test tool comprises a connecting end one and a connecting end two, and the connecting end one and the connecting end two are matched with the two side connectors of the tension testing machine respectively, the connecting end one comprises a side plate one, a side plate two, a front shaft, a rear shaft and a tension plate, the side plate one, the side plate two, the front shaft and the rear shaft form a rectangular frame, wherein a seat plate is arranged on the front shaft, an arc bottom groove is arranged on the inner side of the seat plate, the arc bottom groove is matched with the arc-shaped contour of the bottom of the bearing seat of the linear lead screw, a through hole is arranged at the bottom of the arc bottom groove, and the outer side of the through hole is open to form a channel for the linear lead screw to enter and exit; a tension plate is arranged centrally on the rear shaft, and a partition block is arranged between the tension plate and the side plate one and the side plate two respectively; an ear plate is arranged on the connecting end two, and matched with the forked end of the linear lead screw.

[0007] Further, the model of the tension testing machine is WDW-300KN.

[0008] Further, the linear lead screw is a manual linear lead screw for transmission line, and the model is ALSG20-Z.

[0009] Further, the surface of the arc bottom groove is provided with a wear-resistant coating, and the groove depth is not less than 3mm.

[0010] Further, the tension plate and the tension testing machine connector are connected through quick mounting bolts.

[0011] Further, the distance between the front axle and the rear axle is 450-850mm.

[0012] Further, the diameter of the through hole is 43-53mm.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1) The linear lead screw is combined and used to the maximum extent, cooperates with the tool connecting head of the tension machine, and can reduce the number of auxiliary connecting pieces and the manufacturing cost of the tooling to the maximum extent under the premise of ensuring that the relevant detection items are completed according to the national detection standard.

[0015] 2) The side slot concave bottom tension bearing frame is adopted, the linear lead screw can be quickly positioned and withdrawn, and thus powerful guarantee is provided for the rapid detection of a large number of linear lead screws. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the application state schematic diagram of the utility model embodiment;

[0017] Figure 2 is the connecting end one structure schematic diagram in the utility model embodiment;

[0018] Figure 3 is Figure 2 the A-A line section view in the connecting end two structure schematic diagram in the utility model embodiment;

[0019] Figure 4 is the connecting end two structure schematic diagram in the utility model embodiment;

[0020] In the drawing: 1-connecting end one, 2-connecting end two, 3-side plate one, 4-side plate two, 5-front axle, 6-rear axle, 7-tension plate, 8-seat plate, 9-arc bottom slot, 10-through hole 10, 11-linear lead screw, 12-separation block, 13-ear plate, 14-quick mounting bolt. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments, and obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments.

[0022] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the specific embodiments needed in the specific embodiment or prior art description will be simply introduced, and obviously, the specific embodiments in the following description are some of the embodiments of the utility model, and other specific embodiments can be obtained by those skilled in the art without creative labor.

[0023] The components of the embodiments of the present application generally described and illustrated herein can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the present application provided in specific embodiments is not intended to limit the scope of the application, but is merely representative of selected embodiments of the present application.

[0024] See Figures 1-4 It is a structure schematic diagram of the linear screw test tool embodiment of the present application, including connection end one 1 and connection end two 2, connection end one 1 and connection end two 2 are matched with two side connectors of the tension testing machine respectively, connection end one 1 includes side plate one 3, side plate two 4, front shaft 5, rear shaft 6 and tension plate 7, side plate one 3, side plate two 4, front shaft 5 and rear shaft 6 form a rectangular frame, wherein the front shaft 5 is provided with a seat plate 8, the inner side of the seat plate 8 is provided with an arc bottom groove 9, the arc bottom groove 9 is matched with the bearing seat bottom arc contour of the linear screw 11, the arc bottom groove 9 is provided with a through hole 10, the outer side of the through hole 10 is open to form a channel for the linear screw 11 to enter and exit, the diameter of the through hole 10 is 43mm. The tension plate 7 is centrally arranged on the rear shaft 6, and the tension plate 7 is arranged with a spacer 12 between the side plate one 3 and the side plate two 4 respectively, so that the tension plate 7 is stressed in the middle; the ear plate 13 is arranged on the connection end two 2, which is matched with the forked end of the linear screw 11.

[0025] The model of the tension testing machine is WDW-300KN, which can provide tension output meeting the national standard GB / T976-2017.

[0026] In the embodiment, the linear screw 11 is a manual linear screw 11 for power transmission line, and the model is ALSG20-Z. The linear screw 11 is mainly used for replacing linear strain insulator string on the line, and has the characteristics of small size, convenient and flexible operation, etc.

[0027] A wear-resistant coating is arranged on the surface of the arc bottom groove 9, and the groove depth is not less than 3mm, so as to ensure that the tool will not be excessively worn or collapsed under the tension test of multiple samples.

[0028] The tension plate 7 and the connector of the tension testing machine are connected through quick mounting bolts 14, which facilitates quick replacement of the linear screw to be detected, and is especially suitable for performance test of a large number of linear screws.

[0029] The distance between the front shaft 5 and the rear shaft 6 is 450-850mm, so as to adapt to different models of linear screws.

[0030] The utility model embodiment uses, first respectively with connecting end one 1 and connecting end two 2 are connected with the two sides connecting head of tensile testing machine, adjust the distance between connecting end one 1 and connecting end two 2 to appropriate, the screw rod of the linear lead screw 11 to be detected is put on the tensile plate 7 of connecting end one 1 from the side, then the fork mouth connecting end of screw rod end is connected with the lug plate of connecting end two 2 with quick -mount bolt 14, manually operate screw rod handle 11, press handle according to clockwise direction, after linear lead screw 11 and seat plate 8 contact and close, stop handle operation, can operate tensile machine and add the specified tensile value.

[0031] Although the embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Linear lead screw test fixture, characterized in that, It includes connecting end one and connecting end two, connecting end one and connecting end two are matched with two side connectors of tensile testing machine respectively, the connecting end one includes side plate one, side plate two, front shaft, rear shaft and tensile plate, side plate one, side plate two, front shaft and rear shaft form rectangular frame, wherein the front shaft is equipped with seat plate, the inner side of seat plate is equipped with arc bottom groove, the arc bottom groove is matched with the bottom arc contour of bearing seat of linear lead screw, the bottom of arc bottom groove is equipped with through hole, the outside of through hole is open to form the channel of linear lead screw in and out;The rear shaft is centrally equipped with tensile plate, and the tensile plate is respectively equipped with spacer between side plate one and side plate two;The connecting end two is equipped with lug plate, which is matched with the forked end of linear lead screw.

2. The linear ball screw test fixture of claim 1, wherein, The model of the tensile testing machine is WDW-300KN.

3. The linear ball screw test fixture of claim 1, wherein, The linear lead screw is a manual linear lead screw for power transmission line, and the model is ALSG20-Z.

4. The linear ball screw test fixture of claim 1, wherein, The surface of the arc bottom groove is provided with a wear-resistant coating, and the groove depth is not less than 3mm.

5. The linear ball screw test fixture of claim 1, wherein, The tensile plate and the tensile testing machine connector are connected by quick mounting bolts.

6. The linear ball screw test fixture of claim 1, wherein, The distance between the front shaft and the rear shaft is 450-850mm.

7. The linear ball screw test fixture of claim 1, wherein, The diameter of the through hole is 43-53mm.

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