Mast platform test device

Abstract

The invention provides a mast platform testing device which comprises a bottom plate (1), a supporting column a (2), a support a (3), an actuator cylinder a (4), a loading single lug a (5), a fixing nut (6), a loading connector (7), a loading single lug b (8), an actuator cylinder b (9), a support b (10), a supporting column b (11), a loading shaft (12), a transition piece (13), a mast platform (14) and a connecting base (15). The device is simple in structure, convenient to disassemble and assemble and capable of meeting the loading requirement during a mast platform test.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of helicopter mast platform test, and particularly relates to a mast platform test device. BACKGROUND

[0002] The mast platform is an important load-bearing component of a helicopter, and the stress environment thereof is complex. In order to master the strength and fatigue life of the mast platform, the mast platform must be tested to obtain the fatigue characteristics of the mast platform and further the life of the mast platform. During the test of the mast platform, the stress state of the mast platform on the helicopter must be simulated.

[0003] At present, there is no similar test device in China, and no relevant public literature is found abroad. SUMMARY

[0004] The present application aims at providing a mast platform fatigue test loading device according to the stress state of the mast platform on the helicopter, which can meet the complex load loading requirements of the mast platform and achieve the purpose of testing the fatigue performance of the mast platform.

[0005] The technical scheme of the present application is as follows. In order to achieve the above-mentioned application purpose, a mast platform test device is characterized in that: The mast platform test device comprises a bottom plate (1), a support column a (2), a support base a (3), an actuating cylinder a (4), a loading lug a (5), a fixing nut (6), a loading connector (7), a loading lug b (8), an actuating cylinder b (9), a support base b (10), a support column b (11), a loading shaft (12), a transition piece (13), a mast platform (14) and a connecting base (15). The bottom plate (1) has a threaded hole, the support column a (2) has a hole on the upper connecting surface, and the support column a (2) is fixed on the bottom plate (1) by bolts.

[0006] The support column a (2) has a hole on the upper connecting surface, the support base a (3) has a hole, and the support base a (3) is connected with the support column a (2) by bolts.

[0007] The support base a (3) has a groove, the groove has a hole, the actuating cylinder a (4) has a hole, the actuating cylinder a (4) is inserted into the groove, and the actuating cylinder a (4) is connected with the support base a (3) by bolts.

[0008] The loading lug a (5) has a thread, the actuating cylinder a (4) has a threaded hole, and the loading lug a (5) is connected with the actuating cylinder a (4) by the thread.

[0009] The loading connector (7) has a groove, the groove has a hole, the loading lug a (5) has a hole, the loading lug a (5) is inserted into the groove of the loading connector (7), and the loading lug a (5) is connected with the loading connector (7) by bolts.

[0010] The bottom plate (1) has threaded holes, the support column b (11) has holes on the upper connecting surface, and the support column b (11) is fixed on the bottom plate (1) by bolts.

[0011] The support column b (11) has holes on the upper connecting surface, the support column b (10) has holes, and the support column b (10) is connected with the support column b (11) by bolts.

[0012] The support column b (10) has a groove, the groove has holes, the actuator cylinder b (9) has holes, the actuator cylinder b (9) is inserted into the groove, and the actuator cylinder b (9) is connected with the support column b (10) by bolts.

[0013] The loading lug b (8) has threads, the actuator cylinder b (9) has threaded holes, and the loading lug b (8) is connected with the actuator cylinder b (9) by threads.

[0014] The loading lug b (8) has holes, the loading lug b (8) is inserted into the groove of the loading connector (7), and the loading lug b (8) is connected with the loading connector (7) by bolts.

[0015] The loading connector (7) has a circular hole, the loading connector (7) is connected with the loading shaft (12) through the circular hole, the loading shaft (12) has threads, the fixing nut (6) is connected with the loading shaft (12) by threads, and the loading connector (7) is fixed on the loading shaft (12).

[0016] The transition piece (13) has holes, the loading connector (7) has holes, and the transition piece (13) is connected with the loading connector (7) by bolts.

[0017] The transition piece (13) has holes, the mast platform (14) has holes, and the transition piece (13) is connected with the mast platform (14) by bolts.

[0018] The mast platform (14) has holes, the connecting base (15) has holes, and the mast platform (14) is connected with the connecting base (15) by bolts.

[0019] The connecting base (15) has holes, the bottom plate (1) has threaded holes, and the connecting base (15) is fixed on the bottom plate (1) by bolts.

[0020] The loading lug b (8) on the loading connector (7) is connected with the output end of the actuator cylinder respectively to realize the loading of the rotating load.

[0021] In a possible embodiment, the bottom plate (1) and the support column a (2) can be integrated or fixed by welding.

[0022] In a possible embodiment, the support column a (2) and the support column a (3) can be integrated or fixed by welding.

[0023] In a possible embodiment, the support b (10) and the support column b (11) can be integrated or fixed by welding.

[0024] In a possible embodiment, the joint bearing is installed at the connection between the actuator cylinder b (9) and the support b (10) to make the rotation more flexible and smooth.

[0025] In a possible embodiment, the joint bearing is installed on the loading lug a (5) and the loading lug b (8) to make the rotation more flexible and smooth.

[0026] In a possible embodiment, the joint bearing is installed on the loading lug a (5) and the loading lug b (8) to make the rotation more flexible and smooth.

[0027] In a possible embodiment, the square hole is installed on the loading joint (7), and the square hole is installed on the loading shaft (12), and the loading joint (7) is connected with the loading shaft (12) through the square holes.

[0028] In a possible embodiment, the loading joint (7) and the loading shaft (12) can be integrated or fixed by welding.

[0029] The present application has the advantages of simple structure, convenient disassembly and assembly, and can meet the load loading requirements of the mast platform test. The mast platform needs to bear the rotating load, and the load is realized through two actuator cylinders with a difference of 90 degrees. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. The drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0031] Figure 1 is a structural schematic diagram of the preferred embodiment of the present application; Figure 2 is a front view, side view and top view of the preferred embodiment of the present application. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0033] The features and exemplary embodiments of the various aspects of the present application will be described in detail below with reference to the drawings. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some or all of these specific details. The description of the embodiments is merely illustrative of the present application and does not limit the scope of the application, as defined by the appended claims, in any way. In the following detailed description of the embodiments and in the annexed drawings, like or similar components are generally designated with the same reference numerals.

[0034] In the description of the present application, it should be noted that the directional or positional relationships described based on the drawings are merely for the convenience of describing the present application and simplifying the description, and should not be understood as a limitation on the present application. In addition, the ordinal numbers (e.g., "first" and "second") are used to distinguish objects, and are not limited to the order, and should not be understood as indicating or implying relative importance.

[0035] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connected", "connection" should be understood in a broad sense, which can be direct connection or indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0036] It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other, and each embodiment can be mutually referred to and quoted. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0037] The present application will be described in further detail below in combination with the embodiments and the drawings, but the embodiments of the present application are not limited thereto.

[0038] As shown in Figure 1 and Figure 2 A kind of mast platform test device, including bottom plate (1), support column a (2), support a (3), actuator a (4), loading lug a (5), fixed nut (6), loading joint (7), loading lug b (8), actuator b (9), support b (10), support column b (11), loading shaft (12), transition piece (13), mast platform (14), connecting base (15).

[0039] The bottom plate (1) has screw holes, the support column a (2) has holes on the upper connecting surface, and the support column a (2) is fixed on the bottom plate (1) by bolts.

[0040] The support column a (2) has holes on the upper connecting surface, the support a (3) has holes, and the support a (3) is connected with the support column a (2) by bolts.

[0041] The support a (3) has a groove, the groove has holes, the actuator a (4) has holes, the actuator a (4) is inserted into the groove and connected with the support a (3) by bolts.

[0042] The loading lug a (5) has threads, the actuator a (4) has screw holes, and the loading lug a (5) is connected with the actuator a (4) by threads.

[0043] The loading connector (7) has a groove, the groove has holes, the loading lug a (5) has holes, the loading lug a (5) is inserted into the groove of the loading connector (7) and connected with the loading connector (7) by bolts.

[0044] The bottom plate (1) has screw holes, the support column b (11) has holes on the lower connecting surface, and the support column b (11) is fixed on the bottom plate (1) by bolts.

[0045] The support column b (11) has holes on the upper connecting surface, the support b (10) has holes, and the support b (10) is connected with the support column b (11) by bolts.

[0046] The support b (10) has a groove, the groove has holes, the actuator b (9) has holes, the actuator b (9) is inserted into the groove and connected with the support b (10) by bolts.

[0047] The loading lug b (8) has threads, the actuator b (9) has screw holes, and the loading lug b (8) is connected with the actuator b (9) by threads.

[0048] The loading connector (7) has a groove, the groove has holes, the loading lug b (8) has holes, the loading lug b (8) is inserted into the groove of the loading connector (7) and connected with the loading connector (7) by bolts.

[0049] The loading connector (7) has a circular hole, the loading connector (7) is connected with the loading shaft (12) through the circular hole, the loading shaft (12) has threads, the fixing nut (6) is connected with the loading shaft (12) by threads, and the loading connector (7) is fixed on the loading shaft (12).

[0050] The transition piece (13) has holes, the loading connector (7) has holes, and the transition piece (13) is connected with the loading connector (7) by bolts.

[0051] The transition piece (13) has a hole, the mast platform (14) has a hole, and the transition piece (13) is connected with the mast platform (14) through bolts.

[0052] The mast platform (14) has a hole, the connecting base (15) has a hole, and the mast platform (14) is connected with the connecting base (15) through bolts.

[0053] The connecting base (15) has a hole, the bottom plate (1) has a threaded hole, and the connecting base (15) is fixed on the bottom plate (1) through bolts.

[0054] In a possible embodiment, the bottom plate (1) and the support column a (2) can be integrated or fixed by welding.

[0055] In a possible embodiment, the support column a (2) and the support base a (3) can be integrated or fixed by welding.

[0056] In a possible embodiment, the support base b (10) and the support column b (11) can be integrated or fixed by welding.

[0057] In a possible embodiment, a joint bearing is arranged at the connection between the actuating cylinder b (9) and the support base b (10), so as to make the rotation more flexible and smooth.

[0058] In a possible embodiment, a joint bearing is arranged at the connection between the actuating cylinder a (4) and the support base a (3), so as to make the rotation more flexible and smooth.

[0059] In a possible embodiment, a joint bearing is arranged on the loading lug a (5) and the loading lug b (8), so as to make the rotation more flexible and smooth.

[0060] In a possible embodiment, the loading connector (7) has a square hole, and the loading shaft (12) has a square hole, and the loading connector (7) is connected with the loading shaft (12) through the square holes.

[0061] In a possible embodiment, the loading connector (7) and the loading shaft (12) can be integrated or fixed by welding.

[0062] The above specific embodiments are detailed descriptions of the present application, which cannot be considered as limiting the specific embodiments of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions and substitutions can be made, which should be considered as belonging to the protection scope of the present application.

Claims

1. A mast platform test device, characterized by: The utility model provides a kind of loading device, including bottom plate (1), support column a (2), support a (3), actuator a (4), loading lug a (5), fixed nut (6), loading connector (7), loading lug b (8), actuator b (9), support b (10), support column b (11), loading shaft (12), transition piece (13), mast platform (14), connecting base (15);Bottom plate (1) has threaded hole, support column a (2) lower connecting surface has hole, support column a (2) is fixed on bottom plate (1) by bolt;Support column a (2) upper connecting surface has hole, support a (3) has hole, support a (3) is connected with support column a (2) by bolt;Support a (3) recess, recess has hole, actuator a (4) has hole, actuator a (4) is inserted into recess, and is connected with support a (3) by bolt;Loading lug a (5) has thread, actuator a (4) has threaded hole, loading lug a (5) is connected with actuator a (4) by thread;Loading connector (7) has recess, recess has hole, loading lug a (5) has hole, loading lug a (5) is inserted into loading connector (7) recess, and loading connector (7) is connected by bolt;Bottom plate (1) has threaded hole, support column b (11) lower connecting surface has hole, support column b (11) is fixed on bottom plate (1) by bolt;Support column b (11) upper connecting surface has hole, support b (10) has hole, support b (10) is connected with support column b (11) by bolt;Support b (10) recess, recess has hole, actuator b (9) has hole, actuator b (9) is inserted into recess, and is connected with support b (10) by bolt;Loading lug b (8) has thread, actuator b (9) has threaded hole, loading lug b (8) is connected with actuator b (9) by thread;Loading connector (7) has recess, recess has hole, loading lug b (8) has hole, loading lug b (8) is inserted into loading connector (7) recess, and loading connector (7) is connected by bolt;Loading connector (7) has round hole, loading connector (7) is connected with loading shaft (12) by round hole, loading shaft (12) has thread, fixed nut (6) is connected with loading shaft (12) by thread, and loading connector (7) is fixed on loading shaft (12);Transition piece (13) has hole, loading connector (7) has hole, transition piece (13) is connected with loading connector (7) by bolt.

2. A test rig for a mast platform according to claim 1, characterised in that: Transition piece (13) has hole, mast platform (14) has hole, transition piece (13) is connected with mast platform (14) by bolt;Mast platform (14) has hole, connecting base (15) has hole, mast platform (14) is connected with connecting base (15) by bolt;Connecting base (15) has hole, bottom plate (1) has threaded hole, connecting base (15) is fixed on bottom plate (1) by bolt.

3. A mast platform test device according to claim 1, characterized in that: Bottom plate (1) and support column a (2) can be integrated or fixed by welding.

4. The mast platform test device of claim 1, wherein: Support column a (2) and support a (3) can be integrated or fixed by welding.

5. The mast platform test device of claim 1, wherein: The support b (10) and the support column b (11) can be integrated or fixed by welding.

6. A mast platform test device according to claim 1, characterized in that: The joint bearing is installed at the connection between the actuating cylinder b (9) and the support b (10), so as to make the rotation more flexible and smooth.

7. A mast platform test device according to claim 1, characterized in that: The joint bearing is installed at the connection between the actuating cylinder a (4) and the support a (3), so as to make the rotation more flexible and smooth.

8. A mast platform test device according to claim 1, characterized in that: The joint bearing is installed on the loading lug a (5) and the loading lug b (8), so as to make the rotation more flexible and smooth.

9. The mast platform test device of claim 1, wherein: The loading connector (7) has a square hole, and the loading shaft (12) has a square hole, so that the loading connector (7) is connected with the loading shaft (12) through the square holes.

10. The mast platform test device of claim 1, wherein: The loading connector (7) and the loading shaft (12) can be integrated or fixed by welding.

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