Stress monitoring matching device based on welding strain gauge

Abstract

The utility model belongs to the technical field of stress monitoring matching devices of welding strain gauges, and particularly relates to a stress monitoring matching device based on a welding strain gauge, which comprises a protective sleeve shell, one end of the protective sleeve shell is inserted with a butt joint type quick connector, one end of the butt joint type quick connector is connected with a second cable, and the other end of the butt joint type quick connector is connected with a third cable. Two connecting seats are connected to the outer wall of the protective sleeve shell, a two-way lead screw penetrates through one ends of the two connecting seats, an adjusting knob is connected to one end of the two-way lead screw, and two threaded connecting blocks are connected to the outer wall of the two-way lead screw in a threaded mode. The two threaded connecting blocks in threaded connection with the outer walls of the connecting pieces can move oppositely or oppositely along the guide sliding grooves under the action of the guide sliding blocks, and the distance between the connecting pieces at the bottoms of the two threaded connecting blocks can be adjusted along with movement of the two threaded connecting blocks, so that mounting holes in one ends of the connecting pieces can correspond to holes in the crane; and the stability after installation is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the stress monitoring matching device technical field of welding strain gauge, specifically relates to a stress monitoring matching device based on welding strain gauge. BACKGROUND

[0002] The stress monitoring matching device of welding strain gauge usually includes two parts: one is the protective cover of welding strain gauge, and the other is the quick plug-in interface, which is convenient for periodic measurement of metal structure stress or online monitoring in crane evaluation.

[0003] At present, the stress monitoring matching device of welding strain gauge needs a protective sleeve to be sleeved on the strain gauge welded on the crane, and then is fixedly installed on the crane by using the connecting pieces on both sides of the protective sleeve, but since the positions of the connecting pieces on the protective cover are fixed, the holes in the connecting pieces and the holes in the crane may not correspond, thereby reducing the stability of the device. UTILITY MODEL CONTENTS

[0004] The utility model discloses a stress monitoring matching device based on welding strain gauge, which aims to solve the problem that the stress monitoring matching device of welding strain gauge needs a protective sleeve to be sleeved on the strain gauge welded on the crane, and then is fixedly installed on the crane by using the connecting pieces on both sides of the protective sleeve, but since the positions of the connecting pieces on the protective cover are fixed, the holes in the connecting pieces and the holes in the crane may not correspond, thereby reducing the stability of the device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a stress monitoring matching device based on welding strain gauge, including the protective sleeve shell, one end of the protective sleeve shell is connected with the butt joint quick connector, one end of the butt joint quick connector is connected with the second cable line,

[0006] The outer wall of the protective sleeve shell is connected with two connecting seats, one end of two connecting seats is penetrated by the bidirectional screw rod, one end of the bidirectional screw rod is connected with the adjusting knob, the outer wall of the bidirectional screw rod is connected with two screw thread connecting blocks, the bottom of two screw thread connecting blocks is connected with the connecting piece, and one end of the connecting piece is provided with the mounting hole.

[0007] The outer wall of the protective sleeve shell is connected with two connecting seats, one end of two connecting seats is penetrated by the bidirectional screw rod, one end of the bidirectional screw rod is connected with the adjusting knob, the outer wall of the bidirectional screw rod is connected with two screw thread connecting blocks, the bottom of two screw thread connecting blocks is connected with the connecting piece, and one end of the connecting piece is provided with the mounting hole.

[0008] The two connecting bases are symmetrically distributed.

[0009] The bottom of the two connecting bases is a hollow structure.

[0010] One end of the bidirectional screw rod is connected with the connecting base through a bearing to form a rotating connection structure.

[0011] The two threaded connecting blocks are located on the inner side of the connecting base.

[0012] The outer wall of the connecting base is provided with a guide sliding groove, and the outer wall of the two threaded connecting blocks is connected with a guide sliding block.

[0013] The two threaded connecting blocks are connected with the connecting base through the guide sliding groove and the guide sliding block to form a sliding connection structure.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The two threaded connecting blocks connected with the outer wall of the bidirectional screw rod can move towards each other along the guide sliding groove under the action of the guide sliding block, and the distance between the two connecting pieces at the bottom will be shortened. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0017] Figure 1 It is the first main structure schematic view of the utility model;

[0018] Figure 2 It is the second main structure schematic view of the utility model;

[0019] Figure 3 It is the bottom structure schematic view of the utility model;

[0020] Figure 4 It is the A amplification structure schematic view of the utility model.

[0021] In the drawing: 1, protective sleeve shell; 2, guide sliding slot; 3, guide sliding block; 4, butt joint quick connector; 5, second cable; 6, connecting seat; 7, bidirectional screw rod; 8, adjusting knob; 9, threaded connecting block; 10, connecting piece; 11, mounting hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme: a stress monitoring matching device based on welding strain gauge, including protective sleeve shell 1, the one end of protective sleeve shell 1 is inserted with butt joint quick connector 4, the one end of butt joint quick connector 4 is connected with second cable 5;

[0024] The outer wall of protective sleeve shell 1 is connected with two connecting seats 6, the one end of two connecting seats 6 is penetrated with bidirectional screw rod 7, the one end of bidirectional screw rod 7 is connected with adjusting knob 8, the outer wall of bidirectional screw rod 7 is connected with two threaded connecting blocks 9, the bottom of two threaded connecting blocks 9 is connected with connecting piece 10, the one end of connecting piece 10 is provided with mounting hole 11;

[0025] It should be noted that butt joint quick connector 4 adopts male and female head cable with anti-loosening function to connect strain gauge inside protective sleeve shell 1 with collector, wherein t1 stainless steel plate is selected for protective sleeve shell 1, first cut out the shape through wire cutting, then bend the plate into protective shell shape through bending, then weld four edges, finally polish the welded part to make it;

[0026] The outer wall of protective sleeve shell 1 is connected with two connecting seats 6, the one end of two connecting seats 6 is penetrated with bidirectional screw rod 7, the one end of bidirectional screw rod 7 is connected with adjusting knob 8, the outer wall of bidirectional screw rod 7 is connected with two threaded connecting blocks 9, the bottom of two threaded connecting blocks 9 is connected with connecting piece 10, the one end of connecting piece 10 is provided with mounting hole 11.

[0027] Preferably, the two connecting seats 6 are symmetrically distributed, the bottoms of the two connecting seats 6 are hollow structures, one end of the bidirectional screw rod 7 is rotatably connected with the connecting seat 6 through a bearing, and the two threaded connecting blocks 9 are located inside the connecting seat 6.

[0028] In use, the two threaded connecting blocks 9 connected with the outer wall of the bidirectional screw rod 7 can move towards each other along the guide sliding groove 2 under the action of the guide sliding block 3 by rotating the bidirectional screw rod 7 clockwise through the adjusting knob 8, and the distance between the two connecting pieces 10 at the bottom is shortened as the two threaded connecting blocks 9 move towards each other, so that the distance between the connecting pieces 10 can be adjusted in the above manner.

[0029] Preferably, the outer wall of the connecting seat 6 is provided with the guide sliding groove 2, the outer wall of the two threaded connecting blocks 9 is connected with the guide sliding block 3, and the two threaded connecting blocks 9 can be slidably connected with the connecting seat 6 through the guide sliding groove 2 and the guide sliding block 3.

[0030] In use, the two threaded connecting blocks 9 connected with the outer wall of the bidirectional screw rod 7 can move towards each other along the guide sliding groove 2 under the action of the guide sliding block 3 by rotating the bidirectional screw rod 7 clockwise through the adjusting knob 8, and the distance between the two connecting pieces 10 at the bottom is shortened as the two threaded connecting blocks 9 move towards each other, so that the distance between the connecting pieces 10 can be adjusted in the above manner.

[0031] Working principle: first, the strain gauge is welded on the crane, then the signal line is pulled out from the plug hole of the protective shell, the pulled-out signal line is connected in corresponding order, then the protective shell 1 is sleeved on the strain gauge, the two threaded connecting blocks 9 connected with the outer wall of the bidirectional screw rod 7 can move towards each other along the guide sliding groove 2 under the action of the guide sliding block 3 by rotating the bidirectional screw rod 7 clockwise through the adjusting knob 8, and the distance between the two connecting pieces 10 at the bottom is shortened as the two threaded connecting blocks 9 move towards each other, on the contrary, the two threaded connecting blocks 9 connected with the outer wall of the bidirectional screw rod 7 can move towards each other along the guide sliding groove 2 under the action of the guide sliding block 3 by rotating the bidirectional screw rod 7 counterclockwise through the adjusting knob 8, and the distance between the two connecting pieces 10 at the bottom is increased as the two threaded connecting blocks 9 move towards each other, so that the distance between the connecting pieces 10 can be adjusted in the above manner, so that the mounting hole 11 at one end of the connecting piece 10 can be correspondingly connected with the hole on the crane and fixed by bolts, finally, a thick layer of glue is applied to the protective shell 1 and the connecting piece 10 to seal them, and one end of the second cable 5 is connected with the collector to complete data transmission.

[0032] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A stress monitoring device based on a welding strain gauge, comprising a protective housing (1), characterized in that: One end of the protective housing (1) is connected to a quick-connect coupling (4), and one end of the quick-connect coupling (4) is connected to a second cable (5); The outer wall of the protective casing (1) is connected to two connecting seats (6). One end of each connecting seat (6) is connected to a bidirectional lead screw (7). One end of the bidirectional lead screw (7) is connected to an adjustment knob (8). The outer wall of the bidirectional lead screw (7) is threaded with two threaded connecting blocks (9). The bottom of each threaded connecting block (9) is connected to a connector (10). One end of the connector (10) is provided with an installation hole (11).

2. The stress monitoring device based on a welding strain gauge according to claim 1, characterized in that: The two connecting seats (6) are symmetrically distributed.

3. The stress monitoring device based on a welding strain gauge according to claim 1, characterized in that: The bottom of the two connecting seats (6) is a hollow structure.

4. The stress monitoring device based on a welding strain gauge according to claim 1, characterized in that: One end of the bidirectional lead screw (7) is connected to the connecting seat (6) via a bearing to form a rotating connection structure.

5. A stress monitoring device based on a welding strain gauge according to claim 1, characterized in that: The two threaded connecting blocks (9) are located inside the connecting seat (6).

6. A stress monitoring device based on a welding strain gauge according to claim 1, characterized in that: The outer wall of the connecting seat (6) is provided with a guide groove (2), and the outer walls of the two threaded connecting blocks (9) are connected with guide sliders (3).

7. A stress monitoring device based on a welding strain gauge according to claim 6, characterized in that: The two threaded connecting blocks (9) can form a sliding connection structure with the connecting seat (6) through the guide groove (2) and the guide slider (3).

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