Noise detector for hoisting machinery

Abstract

The utility model discloses a hoisting machinery noise detector, comprising a main body assembly which comprises a storage box, a mounting plate and a detector; the mounting plate is fixed in the storage box, and the detector is fixed at the lower end of the mounting plate; the damage prevention assembly comprises a second through hole, a rotating shaft, a fixing ring, a first connecting rod and a connecting plate; the second through hole is formed in the middle of one end of the mounting plate, the fixing ring is fixed to the inner bottom face of the storage box, the rotating shaft is inserted into the second through hole and the fixing ring, the first connecting rod is welded to the top of the rotating shaft, and the connecting plate is welded to the top of the first connecting rod. The problems that a noise sensor is connected with a detector through a data transmission line, when the noise sensor is pulled out of a hole groove to be stored, a long section of the data transmission line is pulled out of the hole groove, when the noise sensor needs to be erected in the hole groove, the data transmission line needs to be plugged into the hole groove, the data transmission line is bent and damaged, and the noise sensor is damaged are solved. And meanwhile, a relatively long time is also consumed.

Description

Technical Field

[0001] The utility model relates to the technical field of noise detection equipment, in particular to a noise detector for lifting machinery. Background Art

[0002] The crane noise detector is a detection instrument used to measure and analyze the noise level and vibration of the crane during operation. During use, the detector is placed in a storage box for easy carrying. When the detector is working, the noise sensor needs to be inserted into the hole slot in an upright state. After the work is completed, the noise sensor is pulled out of the hole slot and placed flat in the storage box.

[0003] The existing noise sensor is connected to the detector through a data transmission line. When the noise sensor is pulled out of the hole slot for storage, a longer section of the data transmission line will be pulled out of the hole slot. When the noise sensor needs to be erected in the hole slot, the data transmission line needs to be inserted into the hole slot, which will cause the data transmission line to bend and break, and will also take a long time. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting machinery noise detector to solve the problem raised in the above-mentioned background technology that the existing noise sensor is connected to the detector through a data transmission line. When the noise sensor is pulled out of the hole slot for storage, the data transmission line will be pulled out of the hole slot for a long period of time. When the noise sensor needs to be erected in the hole slot, the data transmission line needs to be inserted into the hole slot, which will cause the data transmission line to bend and break, and will also take a long time.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a hoisting machinery noise detector, comprising:

[0007] A main body component, the main body component comprising a storage box, a mounting plate and a detector;

[0008] The mounting plate is fixed inside the storage box, and the detector is fixed at the lower end of the mounting plate;

[0009] An anti-damage component, the anti-damage component comprising a second through hole, a rotating shaft, a fixing ring, a first connecting rod and a connecting plate;

[0010] The second through hole is opened in the middle of one end of the mounting plate, the fixing ring is fixed to the inner bottom surface of the storage box, the rotating shaft is inserted into the second through hole and the fixing ring, the first connecting rod is welded to the top of the rotating shaft, and the connecting plate is welded to the top of the first connecting rod.

[0011] Furthermore, the main body assembly also includes a display screen and a switch;

[0012] The display screen is embedded in the mounting plate and is electrically connected to the detector. The switch is fixed on the mounting plate and is located at the side of the display screen.

[0013] Further, the main body assembly also includes a first through hole, a transmission line and a noise sensor;

[0014] The first through hole is opened on the side of one end of the mounting plate, one end of the transmission line is connected to the detector, and the other end is connected to the bottom of the noise sensor. The middle part of the transmission line is wound on the rotating shaft, and the bottom of the noise sensor is inserted into the first through hole.

[0015] Furthermore, it also includes a limit assembly;

[0016] The limiting assembly includes a fixing block, a groove and a third through hole;

[0017] The fixing block is fixed on the upper surface of the mounting plate and is located on the side of the second through hole. The groove is opened on one side of the fixing block close to the second through hole. The third through hole is opened on the other side of the fixing block away from the second through hole, and the third through hole is connected to the groove.

[0018] Furthermore, the limiting assembly also includes a limiting plate and a spring;

[0019] The limiting plate is inserted into the groove, and the spring is connected between the grooves of the limiting plate.

[0020] Furthermore, the limit assembly also includes a second connecting rod, a knob and an external thread;

[0021] The second connecting rod is rotatably connected to the middle part of one side of the limiting plate away from the second through hole and inserted into the spring. The knob is fixed to one end of the second connecting rod away from the limiting plate. The external thread is set in the middle part of the second connecting rod and is screwed with the third through hole.

[0022] Compared with the prior art, the advantages of the present invention are:

[0023] 1. The lifting machinery noise detector of the utility model inserts the rotating shaft into the second through hole through the anti-damage component, winds the transmission line around the rotating shaft, fixes the mounting plate, and the rotating shaft is inserted into the fixing ring. When detection is needed, the connecting plate is twisted to drive the first connecting rod to rotate, and at the same time drive the lower end rotating shaft to rotate around the fixing ring until the exposed transmission line is retracted under the mounting plate. This arrangement can quickly retract the transmission line from the first through hole to under the mounting plate, and can avoid damage to the transmission line when the transmission line is inserted.

[0024] 2. The lifting machinery noise detector of the utility model has a limit assembly, and by turning the knob, the external thread on the second connecting rod is driven to move into the third through hole, so that the limit plate is slightly moved into the groove, and the limit plate is separated from the first connecting rod, but is still located above the rotating shaft. After the transmission line is tightened, the knob is turned in the opposite direction to move the external thread out of the third through hole. Under the action of the spring, the limit plate is firmly pressed against the first connecting rod. This arrangement can, on the one hand, prevent the rotating shaft from being separated from the fixing ring, and on the other hand, can play a limiting role on the rotating shaft after the transmission line is tightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the position of the second through hole of the utility model;

[0028] Figure 3 This is a schematic diagram of the anti-damage component structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the position of the limit assembly of the utility model;

[0030] Figure 5 It is a schematic diagram of the structure of the limit assembly of the utility model.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 10. Storage box; 11. Mounting plate; 12. Display screen; 13. Switch; 14. First through hole; 15. Detector; 16. Transmission line; 17. Noise sensor; 20. Second through hole; 21. Rotating shaft; 22. Fixing ring; 23. First connecting rod; 24. Connecting plate; 30. Fixing block; 31. Groove; 32. Third through hole; 33. Limiting plate; 34. Second connecting rod; 35. Spring; 36. Knob; 37. External thread. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0035] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] See also Figure 1-4 As shown, this embodiment is a lifting machinery noise detector, comprising:

[0037] The main body assembly includes a storage box 10, a mounting plate 11 and a detector 15;

[0038] The mounting plate 11 is fixed inside the storage box 10, and the detector 15 is fixed at the lower end of the mounting plate 11;

[0039] The storage box 10 has the function of storage and protection and is easy to carry. The mounting plate 11 has the function of fixing. The detector 15 is used to detect and analyze noise.

[0040] The anti-damage component includes a second through hole 20, a rotating shaft 21, a fixing ring 22, a first connecting rod 23 and a connecting plate 24;

[0041] The second through hole 20 is opened in the middle of one end of the mounting plate 11, the fixing ring 22 is fixed to the inner bottom surface of the storage box 10, the rotating shaft 21 is inserted into the second through hole 20 and the fixing ring 22, the first connecting rod 23 is welded to the top of the rotating shaft 21, and the connecting plate 24 is welded to the top of the first connecting rod 23;

[0042] The second through hole 20 provides a rotation space for the rotating shaft 21, the rotating shaft 21 is used to reel in the transmission line 16, the fixing ring 22 plays a limiting role, the first connecting rod 23 plays a connecting role, and the connecting plate 24 facilitates the manual operation of the rotating shaft 21;

[0043] The main assembly also includes a display screen 12 and a switch 13;

[0044] The display screen 12 is embedded in the mounting plate 11 and is electrically connected to the detector 15. The switch 13 is fixed on the mounting plate 11 and is located at the side of the display screen 12.

[0045] The display screen 12 is a touch screen, through which the phase parameters and noise values ​​can be set, and the switch 13 is used to open and close the detector 15;

[0046] The main assembly also includes a first through hole 14, a transmission line 16 and a noise sensor 17;

[0047] The first through hole 14 is opened on the side of one end of the mounting plate 11, one end of the transmission line 16 is connected to the detector 15, and the other end is connected to the bottom of the noise sensor 17, and the middle part of the transmission line 16 is wound on the rotating shaft 21, and the bottom of the noise sensor 17 is inserted into the first through hole 14;

[0048] The first through hole 14 is used to fix the noise sensor 17, the transmission line 16 is used for signal transmission, and the noise sensor 17 is used to receive the noise generated by the crane.

[0049] Working principle:

[0050] Hold the connecting plate 24 and insert the rotating shaft 21 into the second through hole 20;

[0051] After the transmission line 16 is wound around the rotating shaft 21 and the mounting plate 11 is fixed, the rotating shaft 21 is inserted into the fixing ring 22;

[0052] When testing is required, the connecting plate 24 is twisted to drive the first connecting rod 23 to rotate, and at the same time drive the lower end rotating shaft 21 to rotate around the fixing ring 22 until the transmission line 16 exposed to the outside is retracted under the mounting plate 11.

[0053] In this step, the transmission line 16 can be quickly inserted into the bottom of the mounting plate 11 from the first through hole 14, thereby avoiding damage to the transmission line 16 when the transmission line 16 is inserted.

[0054] See also Figure 5 This embodiment is based on the above embodiment 1 and further includes:

[0055] A limiting assembly, the limiting assembly includes a fixing block 30, a groove 31 and a third through hole 32;

[0056] The fixing block 30 is fixed on the upper surface of the mounting plate 11 and is located on the side of the second through hole 20. The groove 31 is provided on one side of the fixing block 30 close to the second through hole 20. The third through hole 32 is provided on the other side of the fixing block 30 away from the second through hole 20, and the third through hole 32 is communicated with the groove 31.

[0057] The fixing block 30 plays a supporting role, the groove 31 provides a movable space for the limiting plate 33, and the third through hole 32 plays an adjusting role;

[0058] The limiting assembly also includes a limiting plate 33 and a spring 35;

[0059] The limit plate 33 is inserted into the groove 31, and the spring 35 is connected between the limit plate 33 and the groove 31;

[0060] The limit plate 33 has a limit function, and the spring 35 has a pressing function;

[0061] The limiting assembly further includes a second connecting rod 34, a knob 36 and an external thread 37;

[0062] The second connecting rod 34 is rotatably connected to the middle of the side of the limiting plate 33 away from the second through hole 20 and inserted into the spring 35. The knob 36 is fixed to the end of the second connecting rod 34 away from the limiting plate 33. The external thread 37 is provided in the middle of the second connecting rod 34 and is screwed to the third through hole 32.

[0063] The second connecting rod 34 plays a connecting role, the knob 36 facilitates manual operation of the second connecting rod 34 , and the external thread 37 plays a connecting role.

[0064] Working principle:

[0065] When winding the transmission line 16, the knob 36 is turned to drive the external thread 37 on the second connecting rod 34 to move into the third through hole 32, driving the limit plate 33 to slightly move into the groove 31, and the limit plate 33 is separated from the first connecting rod 23, but is still located above the rotating shaft 21;

[0066] At this time, the connecting plate 24 can be rotated to reel in the transmission line 16;

[0067] After winding is completed, the knob 36 is rotated in the reverse direction to move the external thread 37 out of the third through hole 32 , and under the action of the spring 35 , the limiting plate 33 is firmly pressed against the first connecting rod 23 .

[0068] This step can, on the one hand, prevent the rotating shaft 21 from being separated from the fixing ring 22 when rotating, and on the other hand, can play a role in positioning the rotating shaft 21 after tightening the transmission line 16 .

[0069] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lifting machinery noise detector, characterized in that: include: A main body component, the main body component comprising a storage box (10), a mounting plate (11) and a detector (15); The mounting plate (11) is fixed inside the storage box (10), and the detector (15) is fixed at the lower end of the mounting plate (11); An anti-damage component, the anti-damage component comprising a second through hole (20), a rotating shaft (21), a fixing ring (22), a first connecting rod (23) and a connecting plate (24); The second through hole (20) is formed in the middle of one end of the mounting plate (11); the fixing ring (22) is fixed to the inner bottom surface of the storage box (10); the rotating shaft (21) is inserted into the second through hole (20) and the fixing ring (22); the first connecting rod (23) is welded to the top of the rotating shaft (21); and the connecting plate (24) is welded to the top of the first connecting rod (23).

2. A lifting machinery noise detector according to claim 1, characterized in that: The main body assembly also includes a display screen (12) and a switch (13); The display screen (12) is embedded in the mounting plate (11) and is electrically connected to the detector (15); the switch (13) is fixed on the mounting plate (11) and is located on the side of the display screen (12).

3. A lifting machinery noise detector according to claim 1, characterized in that: The main body component also includes a first through hole (14), a transmission line (16) and a noise sensor (17); The first through hole (14) is formed on a side of one end of the mounting plate (11); one end of the transmission line (16) is connected to the detector (15) and the other end is connected to the bottom of the noise sensor (17); the middle of the transmission line (16) is wound around the rotating shaft (21); and the bottom of the noise sensor (17) is inserted into the first through hole (14).

4. A lifting machinery noise detector according to claim 1, characterized in that: Also includes a limiter assembly; The limiting assembly comprises a fixing block (30), a groove (31) and a third through hole (32); The fixing block (30) is fixed on the upper surface of the mounting plate (11) and is located on the side of the second through hole (20); the groove (31) is provided on one side of the fixing block (30) close to the second through hole (20); the third through hole (32) is provided on the other side of the fixing block (30) away from the second through hole (20); and the third through hole (32) is connected to the groove (31).

5. A lifting machinery noise detector according to claim 4, characterized in that: The limiting assembly also includes a limiting plate (33) and a spring (35); The limiting plate (33) is inserted into the groove (31), and the spring (35) is connected between the limiting plate (33) and the groove (31).

6. A lifting machinery noise detector according to claim 5, characterized in that: The limiting assembly further includes a second connecting rod (34), a knob (36) and an external thread (37); The second connecting rod (34) is rotatably connected to the middle part of the side of the limiting plate (33) away from the second through hole (20) and is inserted into the spring (35). The knob (36) is fixed to one end of the second connecting rod (34) away from the limiting plate (33). The external thread (37) is arranged in the middle part of the second connecting rod (34) and is threadedly connected to the third through hole (32).

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