Crane fly jib structure stress detection device

Abstract

The utility model relates to the technical field of crane stress detection, and discloses a crane fly jib structure stress detection device, which comprises a fly jib main body, the top of the fly jib main body is fixedly connected with a fixed patch, the top of the fixed patch is fixedly connected with a strain gauge, the top of the fly jib main body is fixedly connected with a waterproof shell, and the top of the waterproof shell is fixedly connected with an elastic piece. And one side of the strain gauge is fixedly connected with a waterproof line, the other end of the waterproof line is fixedly connected with a strain testing machine, the other side of the top of the auxiliary arm body is fixedly connected with a base, and a groove is formed in the top of the base. According to the utility model, the clamping block is moved out of the groove by pulling the pull rod, so that the strain testing machine is placed along the inner wall of the groove, and then the pull rod is loosened to push the linkage slide block to move under the action of the spring, thereby driving the clamping block to move, namely enabling the clamping block to move into the groove, and fixing the strain testing machine. Therefore, a worker can conveniently carry out a structural stress test.

Description

TECHNICAL FIELD

[0001] The utility model relates to the stress detection technical field of crane especially relates to a crane auxiliary arm structure stress detection device. BACKGROUND

[0002] Crane refers to the multi -action hoisting machinery of vertical promotion and horizontal transport heavy goods in a certain range, that is, the corresponding mechanism of taking material, moving, unloading etc.

[0003] However, the existing structure stress detection is fixed by bolt, thereby causing the staff to disassemble complex, reduce work efficiency, and will need workers to install detection device in high place before use, thereby improving the danger.

[0004] In view of the above problem, therefore, a crane auxiliary arm structure stress detection device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above insufficient, the utility model provides a crane auxiliary arm structure stress detection device, aims at improving the crane structure stress detection device disassembly complex of existing small -size factory, thereby reducing the problem of work efficiency.

[0006] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme: a crane auxiliary arm structure stress detection device, including auxiliary arm main part, the top of auxiliary arm main part is fixedly connected with fixed patch, the top of fixed patch is fixedly connected with strain gage, the top of auxiliary arm main part is fixedly connected with waterproof shell, one side of strain gage is fixedly connected with waterproof line, the other end of waterproof line is fixedly connected with strain testing machine, the other side of auxiliary arm main part's top is fixedly connected with base, the top of base is equipped with recess, the inside of base is installed with dismounting assembly, and the dismounting assembly is due to the dismounting maintenance effect of strain testing machine.

[0007] Further describe the above technical scheme as follows:

[0008] The dismounting assembly comprises a connecting sliding groove, which is arranged in the inside of the base, the inner wall of the connecting sliding groove is slidably connected with a connecting sliding block, one end of the outer part of the connecting sliding block is fixedly connected with a pull rod, the other end of the pull rod is fixedly connected with two clamping blocks, two springs are arranged in the inside of the connecting sliding groove, and the inside of the strain testing machine is provided with two clamping grooves, and the outer part of the clamping block is slidably connected with the inner wall of the clamping groove.

[0009] As a further description of the above technical solution:

[0010] The other end of the waterproof line is fixedly connected to one side of the strain testing machine, and the outer part of the strain testing machine is slidably connected to the inner wall of the groove.

[0011] As a further description of the above technical solution:

[0012] The top of the strain testing machine is fixedly connected with an alarm.

[0013] As a further description of the above technical solution:

[0014] The longitudinal section of one end of the clamping block is circular, and the one end of the clamping block is in plug-in cooperation with the clamping groove.

[0015] As a further description of the above technical solution:

[0016] One end of the two springs is fixedly connected to one side of the connecting sliding block, and the other end of the spring is fixedly connected to the inner wall of the connecting sliding groove.

[0017] As a further description of the above technical solution:

[0018] The outer part of the clamping block is slidably connected to the inside of the base.

[0019] As a further description of the above technical solution:

[0020] The inner wall of the waterproof shell is fixedly connected to the outer side of the fixed patch, and the outer part of the waterproof line is fixedly connected to the inner wall of the waterproof shell.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses, through pulling the pull rod, make clamping block remove the recess, so through along the inner wall of the recess with strain testing machine, and then through loosening the pull rod, under the action of spring, push the connecting sliding block and remove to drive clamping block remove, can make clamping block remove and enter the inside of the recess to strain testing machine is fixed to the staff convenient to carry out structure stress test.

[0023] 2. The utility model discloses a strain gauge is fixed on the fixed patch to be pasted on the outside of the auxiliary arm main body, so that the strain gauge is fixed, and the waterproof shell can effectively block the influence of external weather, so that the application range is more extensive, and the data generated by the strain gauge can be transmitted into the strain testing machine under the action of the waterproof line, and the data is transmitted out under the calculation of the strain testing machine, so that the staff can conveniently detect the structural stress. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of a crane auxiliary arm structural stress detection device is provided for the utility model;

[0025] Figure 2 A connection sliding block structure schematic view of a crane auxiliary arm structural stress detection device is provided for the utility model;

[0026] Figure 3 A strain gauge structure schematic view of a crane auxiliary arm structural stress detection device is provided for the utility model.

[0027] Legend:

[0028] 1, auxiliary arm main body, 2, fixed patch, 3, strain gauge, 4, waterproof shell, 5, waterproof line, 6, strain testing machine, 7, base, 8, pull rod, 9, recess, 10, clamping groove, 11, connection sliding block, 12, spring, 13, connection sliding groove, 14, clamping block, 15, alarm. DETAILED DESCRIPTION

[0029] The technical scheme 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Reference Figure 1 And Figure 3 An embodiment provided by the utility model: a crane auxiliary arm structural stress detection device, including auxiliary arm main body 1, the top of auxiliary arm main body 1 is fixedly connected with fixed patch 2, the top of fixed patch 2 is fixedly connected with strain gauge 3, the top of auxiliary arm main body 1 is fixedly connected with waterproof shell 4, one side of strain gauge 3 is fixedly connected with waterproof line 5, the other end of waterproof line 5 is fixedly connected with strain testing machine 6, the top of auxiliary arm main body 1 is fixedly connected with base 7, the top of base 7 is provided with recess 9, and the inside of base 7 is installed with dismounting assembly, and the dismounting assembly is used for dismounting and maintaining strain testing machine 6.

[0031] Specifically, the fixing patch 2 plays a fixing role on the fixed strain gauge 3, and the fixing patch 2 is pasted on the outside of the auxiliary arm body 1, so that the strain gauge 3 is fixed, the fixing patch 2 plays a fixing role on the waterproof shell 4, and the waterproof shell 4 plays a fixing role on the top of the auxiliary arm body 1, the strain tester 6 and the strain gauge 3 play a fixing role on both ends of the waterproof wire 5, so that the influence of the external weather can be effectively blocked, and then the data generated by the strain gauge 3 can be transmitted into the strain tester 6 through the waterproof wire 5, so that the data can be transmitted to the computer through the strain tester 6, so that the structure stress test can be conveniently performed.

[0032] With reference to Figure 1 and Figure 2 , the disassembling assembly comprises a connecting sliding groove 13, the connecting sliding groove 13 is arranged in the inside of the base 7, the inner wall of the connecting sliding groove 13 is slidably connected with a connecting sliding block 11, one end of the outside of the connecting sliding block 11 is fixedly connected with a pull rod 8, the other end of the pull rod 8 is fixedly connected with two clamping blocks 14, two springs 12 are arranged in the inside of the connecting sliding groove 13, two clamping grooves 10 are arranged in the inside of the strain tester 6, and the outside of the clamping block 14 is slidably connected with the inner wall of the clamping groove 10. The longitudinal section of one end of the clamping block 14 is circular, and the one end of the clamping block 14 is in plug-in cooperation with the clamping groove 10. The outside of the clamping block 14 is slidably connected in the inside of the base 7.

[0033] Specifically, the pull rod 8 plays a fixing role on the connecting sliding block 11, so that the clamping block 14 is moved out of the inner wall of the recess 9 by pulling the pull rod 8, the strain tester 6 is positioned by the recess 9, the strain tester 6 is placed along the inner wall of the recess 9, the strain tester 6 is more stable, the pull rod 8 is loosened, one end of the spring 12 plays a fixing role on the connecting sliding block 11, the connecting sliding groove 13 plays a limiting role on the connecting sliding block 11, the connecting sliding block 11 is pushed to move along the inner wall of the connecting sliding groove 13, the connecting sliding block 11 plays a fixing role on the clamping block 14, so that the clamping block 14 moves synchronously, so that the clamping block 14 moves into the inside of the clamping groove 10, the strain tester 6 is fixed, the strain tester 6 is more stable, and the staff can conveniently perform the structure stress test.

[0034] With reference to Figure 1 , Figure 2 and Figure 3The top of the strain testing machine 6 is fixedly connected with an alarm 15. The other end of the waterproof line 5 is fixedly connected to one side of the strain testing machine 6, and the outer side of the strain testing machine 6 is slidably connected to the inner wall of the groove 9. One end of the two springs 12 is fixedly connected to one side of the connecting sliding block 11, and the other end of the spring 12 is fixedly connected to the inner wall of the connecting sliding groove 13. The inner wall of the waterproof shell 4 is fixedly connected to the outer side of the fixed patch 2, and the outer side of the waterproof line 5 is fixedly connected to the inner wall of the waterproof shell 4.

[0035] Specifically, under the action of the alarm 15, the staff can be warned in advance, so as to achieve early warning. The strain testing machine 6 and the strain gauge 3 can fix the waterproof line 5 at both ends, so as to effectively block the influence of the external weather. The connecting sliding block 11 can fix the spring 12 at one side, so as to make the spring 12 stretch and shrink along with the movement of the connecting sliding block 11. The fixed patch 2 can fix the waterproof shell 4 at the outer side, so as to be suitable for external detection and have a wide range of application.

[0036] Working principle: when the device is used, the clamping block 14 is moved out of the inner wall of the groove 9 by pulling the pull rod 8, and then the strain testing machine 6 is put along the inner wall of the groove 9, and then the pull rod 8 is loosened, and under the action of the spring 12, the connecting sliding block 11 is pushed to move along the inner wall of the connecting sliding groove 13, so as to drive the clamping block 14 to move synchronously, so that the clamping block 14 moves into the inside of the clamping groove 10, so as to fix the strain testing machine 6, so that the staff can conveniently perform structural stress testing. Then the strain gauge 3 is fixed on the fixed patch 2, and the fixed patch 2 is pasted on the outer side of the auxiliary arm main body 1, so that the strain gauge 3 is fixed. Under the action of the waterproof shell 4, the influence of the external weather can be effectively blocked. Under the action of the waterproof line 5, the data generated by the strain gauge 3 can be transmitted into the strain testing machine 6. Under the action of the strain testing machine 6, the data can be transmitted to the computer, so that the structural stress testing can be more conveniently performed. Under the action of the alarm 15, the staff can be warned in advance, so as to take effective risk avoidance measures.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A crane jib structure stress detection device, comprising a jib body (1), characterized in that: The top of the auxiliary arm body (1) is fixedly connected to a fixing patch (2), the top of the fixing patch (2) is fixedly connected to a strain gauge (3), the top of the auxiliary arm body (1) is fixedly connected to a waterproof shell (4), one side of the strain gauge (3) is fixedly connected to a waterproof line (5), the other end of the waterproof line (5) is fixedly connected to a strain testing machine (6), the other side of the top of the auxiliary arm body (1) is fixedly connected to a base (7), a groove (9) is provided on the top of the base (7), and a disassembly component is installed inside the base (7), and the disassembly component is used to disassemble and maintain the strain testing machine (6).

2. The crane jib structure stress detection device according to claim 1, characterized in that: The disassembly component includes a connecting groove (13), the connecting groove (13) is provided inside the base (7), the inner wall of the connecting groove (13) is slidably connected to a connecting slider (11), one end of the outside of the connecting slider (11) is fixedly connected to a pull rod (8), the other end of the pull rod (8) is fixedly connected to two clamping blocks (14), two springs (12) are laid inside the connecting groove (13), two clamping slots (10) are provided inside the strain testing machine (6), and the outside of the clamping block (14) is slidably connected to the inner wall of the clamping slot (10).

3. The crane jib structure stress detection device according to claim 1, characterized in that: The other end of the waterproof line (5) is fixedly connected to one side of the strain testing machine (6), and the outside of the strain testing machine (6) is slidably connected to the inner wall of the groove (9).

4. The crane jib structure stress detection device according to claim 1, characterized in that: An alarm (15) is fixedly connected to the top of the strain testing machine (6).

5. The crane jib structure stress detection device according to claim 2, characterized in that: The longitudinal section of one end of the card block (14) is arranged to be circular, and one end of the card block (14) is plug-fitted to the card slot (10).

6. The crane jib structure stress detection device according to claim 2, characterized in that: One end of the two springs (12) is fixedly connected to one side of the connecting slider (11), and the other end of the spring (12) is fixedly connected to the inner wall of the connecting slot (13).

7. The crane jib structure stress detection device according to claim 2, characterized in that: The outside of the block (14) is slidably connected to the inside of the base (7).

8. The crane jib structure stress detection device according to claim 1, characterized in that: The inner wall of the waterproof shell (4) is fixedly connected to the outer side of the fixed patch (2), and the outer side of the waterproof line (5) is fixedly connected to the inner wall of the waterproof shell (4).

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