CN215974638U - Experimental platform suitable for outdoor large crane fault monitoring diagnosis - Google Patents

Abstract

The utility model discloses an experimental platform suitable for monitoring and diagnosing faults of an outdoor large crane, which comprises an experimental platform frame, an experimental data collector, an experimental data processor and a plurality of experimental sensors, wherein the experimental platform frame is provided with a plurality of experimental sensors; the experimental platform frame is fixed on a trolley outer box of the crane, the experimental platform frame is detachably connected with a mounting fixture, and the experimental data collector and the experimental data processor are detachably connected with the experimental platform frame through the mounting fixture; a hoisting mechanism is installed in the trolley outer box, a plurality of experiment sensors are respectively installed at a plurality of points to be detected of the hoisting mechanism, and the experiment data processor and the experiment sensors are electrically connected with the experiment data acquisition unit. According to the utility model, the experiment platform is arranged on the trolley outer box of the crane, and the signal wire of the experiment sensor and the experiment data processor are connected with the experiment data collector, so that the normal working operation and the fault monitoring and diagnosis of the hoisting mechanism of the crane can be synchronously carried out.

Description

Experimental platform suitable for outdoor large crane fault monitoring diagnosis

Technical Field

The utility model relates to the technical field of monitoring and maintenance of cranes, in particular to an experimental platform suitable for monitoring and diagnosing faults of an outdoor large crane.

Background

The crane is a large-scale engineering machine used for lifting and transporting heavy objects, and is commonly used in the industries of buildings, bridges, metallurgy, ports, electric power, petrochemical industry, automobiles and the like. According to the structure and shape, the utility model can be divided into: bridge cranes, gantry cranes, tower cranes, and the like. After a long time of operation, the crane inevitably has various faults. The occurrence of the fault not only affects the normal operation of the crane, but also can cause safety accidents, even cause great economic loss or casualties, so that the safe inspection and maintenance of the crane operation are necessary.

The existing security inspection means greatly depend on the precision of a detection instrument and the experience level of inspection personnel, and the real-time monitoring and early fault prediction of the running condition of the crane are difficult to achieve. Therefore, an experimental platform capable of monitoring and diagnosing the crane fault in real time is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an experimental platform suitable for monitoring and diagnosing faults of an outdoor large crane, so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides an experimental platform suitable for monitoring and diagnosing faults of an outdoor large crane, which comprises an experimental platform frame, an experimental data collector, an experimental data processor and a plurality of experimental sensors, wherein the experimental platform frame is provided with a plurality of experimental sensors; the experimental platform frame is fixed on a trolley outer box of the crane, the experimental platform frame is detachably connected with an installation clamp, and the experimental data collector and the experimental data processor are both detachably connected with the experimental platform frame through the installation clamp; a hoisting mechanism is installed in the trolley outer box, a plurality of experiment sensors are respectively installed at a plurality of points to be detected of the hoisting mechanism, and the experiment data processor and the experiment sensors are electrically connected with the experiment data collector.

Preferably, the experiment platform frame comprises a side plate fixedly connected with the trolley outer box, the top of the side plate is fixedly connected with one end of a horizontal plate, the top of the horizontal plate is fixedly connected with a shielding cover, and a threading hole is formed in the side wall of the shielding cover; the mounting fixture is mounted at the top end of the horizontal plate, and the mounting fixture is located in the shielding cover.

Preferably, the mounting fixture comprises a first mounting plate and a second mounting plate, the experimental data collector is fixed at the top end of the first mounting plate, bolt holes are formed in the first mounting plate and the horizontal plate, and the experimental data collector is fixed on the horizontal plate through bolts; a four-corner clamping groove is fixedly arranged at one end, far away from the first mounting plate, of the horizontal plate, the second mounting plate is detachably arranged in the four-corner clamping groove, and the experimental data processor is fixed at the top end of the second mounting plate; the first mounting panel with be provided with spacing connecting portion between the second mounting panel, first mounting panel with the second mounting panel passes through spacing cooperation of spacing connecting portion.

Preferably, the limiting connection part comprises a connection rod and a connector, the connector is fixed at one end of the second mounting plate, a first limiting part is mounted on the connector, a first limiting groove is formed in one end of the connection rod, and the connection rod and the connector are in limiting fit through the first limiting part and the first limiting groove; the connecting rod other end has been seted up the second spacing groove, be provided with the second locating part on the first mounting panel, the first mounting panel with the connecting rod passes through the second locating part the spacing cooperation of second spacing groove.

Preferably, a connecting hole is formed in one end, far away from the second mounting plate, of the connecting head, and the connecting rod is matched with the connecting hole; the top end of the connector is provided with a communication hole, and the communication hole is communicated with the connecting hole; the first limiting part comprises an L-shaped rod, the L-shaped rod is hinged in the communicating hole, one end of the L-shaped rod is located in the connecting hole, the other end of the L-shaped rod is located on the outer side of the communicating hole and is fixedly provided with a limiting head, and the limiting head is matched with the first limiting groove.

Preferably, a locking member is arranged in the limiting head, a first groove is formed in the bottom end of the limiting head along the axis direction of the limiting head, a second groove is formed in the side wall of the bottom of the limiting head, and the first groove is communicated with and vertically arranged with the second groove; the locking piece comprises a locking rod and a limiting plate, a through hole is formed in the limiting plate, the limiting plate is connected in the second groove in a sliding mode, one end of a second spring is fixedly connected to the bottom of the second groove, the other end of the second spring is fixedly connected with the limiting plate, and one end, away from the second spring, of the limiting plate extends out of the second groove; the locking rod is connected in the first groove in a sliding mode, one end of the locking rod is fixedly connected with one end of a first spring, the other end of the first spring is fixed to the bottom of the first groove, the other end of the locking rod is abutted against the limiting plate, and the locking rod is matched with the through hole; the bottom of the first limiting groove is provided with a connecting groove, and the locking rod is matched with the connecting groove.

Preferably, one end of the first mounting plate, which is close to the second mounting plate, is provided with an inserting hole, the top end of the first mounting plate is provided with a limiting hole, and the limiting hole is communicated with the inserting hole; the second limiting part comprises a limiting column which is connected in the limiting hole in a sliding manner, and the limiting column is matched with the second limiting groove; the limiting column is characterized in that a baffle is fixedly connected to the side wall of the bottom of the limiting column, a third spring is sleeved on the limiting column, one end of the third spring is fixed to the bottom end of the baffle, and the other end of the third spring is fixed to the top end of the first mounting plate.

Preferably, the locating pieces are installed at two ends of the second installation plate, locating holes are formed in the inner side walls of the four corner clamping grooves, and the second installation plate is matched with the four corner clamping grooves in a limiting mode through the locating pieces and the locating holes.

Preferably, positioning hole has been seted up on the cell wall of second mounting panel, the setting element includes the fourth spring, the fourth spring sets up the positioning hole middle part, the equal fixedly connected with locating piece in fourth spring both ends, locating piece top fixedly connected with round bar, two slot holes have been seted up on second mounting panel top, two the slot hole symmetry sets up the both ends of fourth spring, just the slot hole with the positioning hole intercommunication, the round bar top is passed through the slot hole stretches out the second mounting panel.

The utility model discloses the following technical effects: the experimental platform is arranged on the trolley outer box of the crane, so that the normal operation of the hoisting mechanism of the outdoor crane is not influenced; in addition, the signal wire of the experimental sensor is connected with the experimental data collector, and the experimental data collector is connected with the experimental data processor, so that the normal working operation and the fault monitoring and diagnosis of the crane hoisting mechanism can be effectively and synchronously carried out. The experiment platform provided by the utility model is convenient to install and strong in applicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an experimental platform of the present invention without an experimental data collector and an experimental data processor;

FIG. 2 is a schematic view of the installation of a first installation plate and an experimental data acquisition unit;

FIG. 3 is a schematic view of the second mounting plate and the experimental data processor;

FIG. 4 is a schematic structural view of a connecting rod;

FIG. 5 is an enlarged view of a portion of FIG. 3;

FIG. 6 is a schematic view of the connection of the first mounting plate and the second mounting plate via the limiting connection portion;

FIG. 7 is a view showing the positioning member in the state of being mounted (a) and being positioned (b);

wherein, the experimental data collector-1, the experimental data processor-2, the limiting slide block-3, the side plate-4, the horizontal plate-5, the shielding cover-6, the threading hole-7, the first mounting plate-8, the second mounting plate-9, the four-corner clamping groove-10, the connecting rod-11, the connecting head-12, the first limiting groove-13, the second limiting groove-14, the connecting hole-15, the communicating hole-16, the L-shaped rod-17, the limiting head-18, the first groove-19, the second groove-20, the locking rod-21, the limiting plate-22, the first spring-23, the second spring-24, the connecting groove-25, the limiting column-26, the baffle-27, the third spring-28, the positioning hole-29, the fourth spring-30, the positioning hole-24, the positioning hole-28, the positioning hole-9, the positioning hole-12, the positioning hole-14, the connecting rod-14, the connecting hole-15, the connecting hole-24, the connecting rod-17, the positioning hole, A positioning block-31, a round rod-32, a placing groove section-33 and a dovetail groove section-34.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

The utility model provides an experimental platform suitable for monitoring and diagnosing faults of an outdoor large crane, which comprises an experimental platform frame, an experimental data collector 1, an experimental data processor 2 and a plurality of experimental sensors, wherein the experimental platform frame is provided with a plurality of test sensors; the experimental platform frame is fixed on a trolley outer box of the crane, the experimental platform frame is detachably connected with a mounting fixture, and the experimental data collector 1 and the experimental data processor 2 are detachably connected with the experimental platform frame through the mounting fixture; install hoisting mechanism in the dolly outer container, a plurality of experiment sensor is installed respectively and is being detected a plurality of some departments of waiting at hoisting mechanism, and experiment data processor 2 and experiment sensor all with experiment data collector 1 electric connection.

Furthermore, in order to utilize the experiment platform frame to shield rainwater or sand and guarantee the performance of the experimental instrument, the experiment platform frame comprises a side plate 4 fixedly connected with the outer box of the trolley, the top of the side plate 4 is fixedly connected with one end of a horizontal plate 5, the top end of the horizontal plate 5 is fixedly connected with a shielding cover 6, the shielding cover 6 is composed of a sub-grid force plate, and the side wall of the shielding cover 6 is provided with a threading hole 7, so that an experiment sensor and a connecting signal wire thereof can conveniently pass through the threading hole; the mounting fixture is mounted on the top end of the horizontal plate 5 and is positioned in the shielding cover 6.

Furthermore, in order to facilitate the installation of the experimental data collector 1 and the experimental data processor 2, the installation clamp comprises a first installation plate 8 and a second installation plate 9, the experimental data collector 1 is fixed at the top end of the first installation plate 8, bolt holes are formed in the first installation plate 8 and the horizontal plate 5, and the experimental data collector 1 is fixed on the horizontal plate 5 through bolts; a four-corner clamping groove 10 is fixedly arranged at one end, far away from the first mounting plate 8, of the horizontal plate 5, a second mounting plate 9 is detachably arranged in the four-corner clamping groove 10, and the experimental data processor 2 is fixed at the top end of the second mounting plate 9; a limiting connecting part is arranged between the first mounting plate 8 and the second mounting plate 9, and the first mounting plate 8 and the second mounting plate 9 are in limiting fit through the limiting connecting part; the limiting connecting part comprises a connecting rod 11 and a connecting head 12, the connecting head 12 is fixed at one end of the second mounting plate 9, a first limiting part is arranged on the connecting head 12, a first limiting groove 13 is formed in one end of the connecting rod 11, and the connecting rod 11 and the connecting head 12 are in limiting fit through the first limiting part and the first limiting groove 13; a second limiting groove 14 is formed in the other end of the connecting rod 11, a second limiting part is arranged on the first mounting plate 8, and the first mounting plate 8 and the connecting rod 11 are in limiting fit through the second limiting part and the second limiting groove 14.

Furthermore, in order to facilitate the connection between the connector 12 and the connecting rod 11, a connecting hole 15 is formed in one end of the connector 12, which is far away from the second mounting plate 9, and the connecting rod 11 is matched with the connecting hole 15; the top end of the connector 12 is provided with a communication hole 16, and the communication hole 16 is communicated with the connecting hole 15; the first limiting piece comprises an L-shaped rod 17, the L-shaped rod 17 is hinged in the communicating hole 16, one end of the L-shaped rod 17 is located in the connecting hole 15, the other end of the L-shaped rod 17 is located on the outer side of the communicating hole 16 and is fixedly provided with a limiting head 18, and the limiting head 18 is matched with the first limiting groove 13; a locking piece is arranged in the limiting head 18, a first groove 19 is formed in the bottom end of the limiting head 18 along the axis direction of the limiting head 18, a second groove 20 is formed in the side wall of the bottom of the limiting head 18, and the first groove 19 is communicated with the second groove 20 and is vertically arranged; the locking piece comprises a locking rod 21 and a limiting plate 22, a through hole is formed in the limiting plate 22, the limiting plate 22 is connected in the second groove 20 in a sliding mode, one end of a second spring 24 is fixedly connected to the bottom of the second groove 20, the other end of the second spring 24 is fixedly connected with the limiting plate 22, and one end, far away from the second spring 24, of the limiting plate 22 extends out of the second groove 20; the locking rod 21 is connected in the first groove 19 in a sliding mode, one end of the locking rod 21 is fixedly connected with one end of a first spring 23, the other end of the first spring 23 is fixed with the bottom of the first groove 19, the other end of the locking rod 21 is abutted against the limiting plate 22, and the locking rod 21 is matched with the through hole; the bottom of the first limiting groove 13 is provided with a connecting groove 25, and the locking rod 21 is matched with the connecting groove 25.

Furthermore, in order to facilitate the connection between the connecting rod 11 and the first mounting plate 8, an insertion hole is formed in one end, close to the second mounting plate 9, of the first mounting plate 8, a limiting hole is formed in the top end of the first mounting plate 8, and the limiting hole is communicated with the insertion hole; the second limiting part comprises a limiting column 26, the limiting column 26 is connected in the limiting hole in a sliding mode, and the limiting column 26 is matched with the second limiting groove 14; fixedly connected with baffle 27 on the lateral wall of spacing post 26 bottom, the cover is equipped with third spring 28 on the spacing post 26, and the one end and the baffle 27 bottom mounting of third spring 28, the other end and the first mounting panel 8 top of third spring 28 are fixed.

Furthermore, in order to facilitate the connection between the second mounting plate 9 and the four-corner clamping grooves 10, positioning parts are mounted at two ends of the second mounting plate 9, positioning holes 29 are formed in the inner side walls of the four-corner clamping grooves 10, and the second mounting plate 9 and the four-corner clamping grooves 10 are in limit fit through the positioning parts and the positioning holes 29; positioning hole has been seted up on the cell wall of second mounting panel 9, and the setting element includes fourth spring 30, and fourth spring 30 sets up at the positioning hole middle part, the equal fixedly connected with locating piece 31 in fourth spring 30 both ends, and locating piece 31 top fixedly connected with round bar 32, two slot holes have been seted up on second mounting panel 9 top, and two slot hole symmetries set up at the both ends of fourth spring 30, and slot hole and positioning hole intercommunication, and second mounting panel 9 is stretched out through the slot hole on round bar 32 top.

When the experimental platform suitable for monitoring and diagnosing the faults of the outdoor large crane is used, firstly, an experimental platform frame is arranged on a trolley outer box of the crane, a plurality of experimental sensors are respectively arranged at a plurality of to-be-detected points of a hoisting mechanism, an experimental data collector 1 and an experimental data processor 2 are respectively fixedly arranged with a first mounting plate 8 and a second mounting plate 9, then the second mounting plate 9 is placed into a four-corner clamping groove 10, when the experimental platform is placed in the four-corner clamping groove, two round rods 32 are stirred by hands, the two round rods 32 are mutually close to each other, a positioning block 31 on the second mounting plate 9 is positioned in a positioning through hole, when the bottom surface of the second mounting plate 9 is contacted with the bottom of the four-corner clamping groove 10, the two round rods 32 are loosened, the positioning block 31 is popped out of the positioning through hole under the action of a fourth spring 30, and then the positioning block 31 is inserted into a positioning hole 29 of the four-corner clamping groove 10, and the second mounting plate 9 and the four-corner clamping groove 10 are mounted and fixed.

Then carry out connecting rod 11 and first mounting panel 8 be connected, insert the spliced eye on the first mounting panel 8 with the one end that connecting rod 11 has second spacing groove 14 in, lift spacing post 26 simultaneously at the in-process that inserts connecting rod 11, make connecting rod 11 can insert the spliced eye bottom, and can not receive spacing post 26's influence, then loosen spacing post 26, under the effect of third spring 28, spacing post 26 bottom inserts the second spacing groove 14 on the connecting rod 11, it is fixed with the installation of first mounting panel 8 to accomplish connecting rod 11, simultaneously under the effect of third spring 28, can avoid spacing post 26 roll-off second spacing groove 14. Then the connecting head 12 is fixed on the second mounting plate 9, and the other end of the connecting rod 11 is inserted into the connecting hole 15 on the connecting head 12, when the connecting rod 11 is inserted into the connecting hole 15, the connecting rod 11 can push the L-shaped rod 17 to rotate, so that the limiting head 18 falls, in the falling process of the limiting head 18, the limiting head 18 can gradually enter the first limiting groove 13, the first limiting groove 13 comprises a transition section and an arc section, the transition section is arranged to avoid the limiting head 18 from being blocked by the connecting rod 11 in the rotating process, so as to ensure the normal rotation of the L-shaped rod 17, when the limiting head 18 rotates to the vertical state, the limiting head 18 contacts with the arc section of the first limiting groove 13, the limiting head 18 cannot rotate under the action of the first limiting groove 13, at this time, the connecting rod 11 cannot push the L-shaped rod 17, and at the same time, in the contact process of the limiting head 18 with the arc section of the first limiting groove 13, can extrude limiting plate 22, make limiting plate 22 slide to second recess 20, at the gliding in-process of limiting plate 22, through hole on the limiting plate 22 can be gradually with the coincidence of check lock lever 21 bottom surface, when check lock lever 21 and through hole coincidence, check lock lever 21 pops out spacing head 18 and inserts in the spread groove 25 under the effect of first spring 23, realize the joint of connecting rod 11 and connector 12, thereby accomplish first mounting panel 8, the installation of connecting rod 11 and second mounting panel 9 is fixed, can realize that the installation of first mounting panel 8 is fixed under the fixed circumstances of second mounting panel 9 and four corners draw-in groove 10 this moment, in order to make the connection of first mounting panel 8 more stable, the rethread bolt is fixed first mounting panel 8 to the horizontal plate 5 of experiment platform frame, accomplish the installation of experiment data collection station 1 and experiment data processor 2 promptly.

Then, the signal wire of the experimental sensor is connected with the experimental data collector 1, and the experimental data collector 1 is connected with the experimental data processor 2, so that the normal working operation and the fault monitoring and diagnosis of the crane hoisting mechanism can be effectively carried out synchronously.

Example two

The difference between this embodiment and the first embodiment is: at 8 bottom fixedly connected with stop block 3 of first mounting panel, seted up the spout on 5 tops of horizontal plate, the spout is including placing groove section 33 and dovetail groove section 34, places groove section 33 and is close to four corners draw-in groove 10 setting, stop block 3 and dovetail groove section 34 looks adaptation. Like this when installing first mounting panel 8, put into the spout earlier spacing slider 3 by placing groove section 33, then to the first mounting panel 8 of direction slip of keeping away from four corners draw-in groove 10, make spacing slider 3 slide in dovetail groove section 34, then carrying out being connected of connecting rod 11 and first mounting panel 8, connecting rod 11 is connected the completion back with first mounting panel 8, to the first mounting panel 8 of direction slip of four corners draw-in groove 10, make connecting rod 11 be connected with second mounting panel 9, accomplish first mounting panel 8, connecting rod 11, the connection of second mounting panel 9 is fixed, because after the connection is accomplished, this moment also partial spacing slider 3 is located dovetail groove section 34, utilize spacing cooperation of spacing slider 3 and dovetail groove section 34, can realize the fixed effect of first mounting panel 8, do not need the use of bolt, the convenience of installation is improved.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (9)

1. An experiment platform suitable for monitoring and diagnosing faults of an outdoor large crane is characterized by comprising an experiment platform frame, an experiment data collector (1), an experiment data processor (2) and a plurality of experiment sensors; the experimental platform frame is fixed on a trolley outer box of the crane, the experimental platform frame is detachably connected with a mounting fixture, and the experimental data collector (1) and the experimental data processor (2) are detachably connected with the experimental platform frame through the mounting fixture; a hoisting mechanism is installed in the trolley outer box, a plurality of experiment sensors are respectively installed at a plurality of points to be detected of the hoisting mechanism, and the experiment data processor (2) and the experiment sensors are electrically connected with the experiment data acquisition unit (1).

2. The experiment platform suitable for the outdoor large crane fault monitoring and diagnosis as claimed in claim 1, wherein the experiment platform frame comprises a side plate (4) fixedly connected with the outer box of the trolley, one end of a horizontal plate (5) is fixedly connected to the top of the side plate (4), a shielding cover (6) is fixedly connected to the top end of the horizontal plate (5), and a threading hole (7) is formed in the side wall of the shielding cover (6); the mounting fixture is mounted at the top end of the horizontal plate (5), and is positioned in the shielding cover (6).

3. The experiment platform suitable for monitoring and diagnosing the faults of the outdoor large crane according to claim 2, wherein the mounting fixture comprises a first mounting plate (8) and a second mounting plate (9), the experiment data collector (1) is fixed at the top end of the first mounting plate (8), the first mounting plate (8) and the horizontal plate (5) are both provided with bolt holes, and the experiment data collector (1) is fixed on the horizontal plate (5) through bolts; a four-corner clamping groove (10) is fixedly arranged at one end, far away from the first mounting plate (8), of the horizontal plate (5), the second mounting plate (9) is detachably arranged in the four-corner clamping groove (10), and the experiment data processor (2) is fixed at the top end of the second mounting plate (9); first mounting panel (8) with be provided with spacing connecting portion between second mounting panel (9), first mounting panel (8) with second mounting panel (9) pass through spacing cooperation of spacing connecting portion.

4. The experiment platform suitable for outdoor large crane fault monitoring and diagnosis according to claim 3, wherein the limit connecting portion comprises a connecting rod (11) and a connecting head (12), the connecting head (12) is fixed at one end of the second mounting plate (9), a first limit part is installed on the connecting head (12), a first limit groove (13) is formed at one end of the connecting rod (11), and the connecting rod (11) and the connecting head (12) are in limit fit through the first limit part and the first limit groove (13); a second limiting groove (14) is formed in the other end of the connecting rod (11), a second limiting part is arranged on the first mounting plate (8), and the first mounting plate (8) and the connecting rod (11) are in limiting fit through the second limiting part and the second limiting groove (14).

5. The experimental platform suitable for monitoring and diagnosing the faults of the outdoor large crane according to claim 4, wherein one end, far away from the second mounting plate (9), of the connecting head (12) is provided with a connecting hole (15), and the connecting rod (11) is matched with the connecting hole (15); a communicating hole (16) is formed in the top end of the connector (12), and the communicating hole (16) is communicated with the connecting hole (15); first locating part includes L type pole (17), L type pole (17) articulate in intercommunicating pore (16), L type pole (17) one end is located in connecting hole (15), L type pole (17) other end is located the intercommunicating pore (16) outside and be fixed with spacing head (18), spacing head (18) with first spacing groove (13) looks adaptation.

6. The experiment platform suitable for monitoring and diagnosing the faults of the outdoor large crane according to claim 5, wherein a locking member is arranged in the limiting head (18), a first groove (19) is formed in the bottom end of the limiting head (18) along the axial direction of the limiting head (18), a second groove (20) is formed in the side wall of the bottom of the limiting head (18), and the first groove (19) is communicated with the second groove (20) and is vertically arranged; the locking piece comprises a locking rod (21) and a limiting plate (22), a through hole is formed in the limiting plate (22), the limiting plate (22) is connected into the second groove (20) in a sliding mode, one end of a second spring (24) is fixedly connected to the bottom of the second groove (20), the other end of the second spring (24) is fixedly connected with the limiting plate (22), and one end, far away from the second spring (24), of the limiting plate (22) extends out of the second groove (20); the locking rod (21) is connected in the first groove (19) in a sliding mode, one end of the locking rod (21) is fixedly connected with one end of a first spring (23), the other end of the first spring (23) is fixed with the bottom of the first groove (19), the other end of the locking rod (21) is abutted against the limiting plate (22), and the locking rod (21) is matched with the through hole; connecting groove (25) have been seted up to first spacing groove (13) bottom, check lock lever (21) with connecting groove (25) looks adaptation.

7. The experimental platform suitable for monitoring and diagnosing the faults of the outdoor large crane as claimed in claim 4, wherein one end of the first mounting plate (8) close to the second mounting plate (9) is provided with a plug hole, the top end of the first mounting plate (8) is provided with a limiting hole, and the limiting hole is communicated with the plug hole; the second limiting piece comprises a limiting column (26), the limiting column (26) is connected in the limiting hole in a sliding mode, and the limiting column (26) is matched with the second limiting groove (14); fixedly connected with baffle (27) on spacing post (26) bottom lateral wall, the cover is equipped with third spring (28) on spacing post (26), the one end of third spring (28) with baffle (27) bottom mounting, the other end of third spring (28) with first mounting panel (8) top is fixed.

8. The experiment platform suitable for outdoor large crane fault monitoring and diagnosis according to claim 3, wherein positioning parts are mounted at two ends of the second mounting plate (9), positioning holes (29) are formed in the inner side walls of the four corner clamping grooves (10), and the second mounting plate (9) and the four corner clamping grooves (10) are in limit fit through the positioning parts and the positioning holes (29).

9. The experiment platform suitable for outdoor large crane fault monitoring and diagnosis according to claim 8, wherein a positioning through hole is formed in a groove wall of the second mounting plate (9), the positioning member comprises a fourth spring (30), the fourth spring (30) is arranged in the middle of the positioning through hole, positioning blocks (31) are fixedly connected to two ends of the fourth spring (30), a round bar (32) is fixedly connected to the top end of each positioning block (31), two long holes are formed in the top end of the second mounting plate (9), the two long holes are symmetrically arranged at two ends of the fourth spring (30), the long holes are communicated with the positioning through hole, and the top end of the round bar (32) extends out of the second mounting plate (9) through the long holes.

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