CN210638876U

CN210638876U - Drop test device

Info

Publication number: CN210638876U
Application number: CN201921773279.1U
Authority: CN
Inventors: 武彬; 陈维; 尹泽霖; 陈文章
Original assignee: Jiangxi Rongli Aviation Industry Co ltd
Current assignee: Jiangxi Rongli Aviation Industry Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-05-29
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a drop test device, including base, stand and roof, four corner welding of base upper surface have four stands, and the top welding of four stands has the roof, roof bottom center department is fixed with first pulley through first pulley yoke, welded fastening has the crossbeam between two stands on base right side, rotate through the second pulley yoke on the crossbeam and be connected with the second pulley. The utility model discloses in, this drop test device will play the gallows and connect on the rope, and the rope is connected on the wind-up roll through first pulley and second pulley, and at the in-process that uses, through the drive rope rolling of wind-up roll, alright with carry out different altitude mixture control with fixed test piece on playing the gallows, and realize full automatic lifting, very convenient laborsaving is convenient for accomplish not the drop experiment of co-altitude.

Description

Drop test device

Technical Field

The utility model relates to a drop test technical field especially relates to a drop test device.

Background

Present current drop test device, it is fixed that generally adopt anchor clamps to carry out the centre gripping to the testpieces, fixed and the separation between anchor clamps and the testpieces is mostly manual completion, very hard trouble, and there are some potential safety hazards, secondly unable automation carries out altitude mixture control, mostly be appointed height, though present also there is electromagnetic fixture device, its closure that mainly relies on electro-magnet and tension spring control clamp, when the electro-magnet does not switch on, keep silent closed, when the electro-magnet circular telegram, keep silent opens, but the device spare part is more, the electro-magnet bearing capacity is limited, 35T at present most, keep silent opens and shuts and appear the unstable phenomenon that can not open sometimes, secondly electromagnetic interference has certain influence to data measurement, so user's demand has not been satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a drop test device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a drop test device comprises a base, a stand column and a top plate;

four upright posts are welded at four corners of the upper surface of the base, and top plates are welded at the top ends of the four upright posts;

roof bottom center department is fixed with first pulley through first pulley yoke, welded fastening has the crossbeam between two stands on base right side, it is connected with the second pulley to rotate through the second pulley yoke on the crossbeam, the welding has the motor cabinet on a side table wall of stand, and the bolt fastening has the rolling motor on the motor cabinet, it is connected with the wind-up roll to rotate on the output of rolling motor, the wire-wound rope on the wind-up roll, the other end of rope is connected with the gallows.

Preferably, the lifting frame consists of four lifting ropes and a concave frame, the top ends of the four lifting ropes are connected together, and the bottom ends of the four lifting ropes are connected with the concave frame.

Preferably, a second electric push rod is fixed at the center of the vertical wall of the concave frame through a bolt, an electric push rod seat is fixed on the second electric push rod through a screw, and the electric push rod seat is in sliding connection with a sliding groove formed in the upright column through a sliding block.

Preferably, the upper surface of the base is provided with a groove, a cushion block is arranged in the groove, a first electric push rod is fixedly embedded below the groove in the base, and the top end of the first electric push rod is welded and fixed with the cushion block.

Preferably, the cross beam is provided with a threading hole matched with the rope for use.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this drop test device will play the gallows and connect on the rope, and the rope is connected on the wind-up roll through first pulley and second pulley, and at the in-process that uses, through the drive rope rolling of wind-up roll, alright with carry out different altitude mixture control with fixed test piece on playing the gallows, and realize full automatic lifting, very convenient laborsaving is convenient for accomplish not the drop experiment of co-altitude.

2. This drop test device, it comprises lifting rope and concave type frame to play the gallows, lifting rope is provided with four altogether, four lifting rope tops link together and are connected with the rope, four lifting rope's bottom is connected with concave type frame, in the in-process of using, control second electric putter extension drives four concave type frame joints at testpieces both sides wall both ends, make four concave type frame and testpieces laminating, just accomplish the gallows fixed with being connected of testpieces, when testpieces need the separation to experiment with the gallows, can control the shrink of second electric putter, drive concave type frame and testpieces separation, alright with having made, make this drop test device realize the automatic fixation and the separation of testpieces, compare in traditional anchor clamps manual fixation, the maximization has improved experimental efficiency, labor intensity is reduced, degree of automation is higher.

Drawings

Fig. 1 is a schematic structural view of a drop test device provided by the present invention;

fig. 2 is a schematic structural view of a lifting frame of a drop test device provided by the present invention;

fig. 3 is a schematic view of a connection structure between a base and a bottom plate of a drop test device provided by the present invention.

Illustration of the drawings:

1. a base; 2. a first electric push rod; 3. a groove; 4. cushion blocks; 5. a column; 6. a top plate; 7. a first sheave frame; 8. a first pulley; 9. a second sheave frame; 10. a second pulley; 11. a winding motor; 12. a wind-up roll; 13. a rope; 14. a slider; 15. an electric push rod seat; 16. a chute; 17. a second electric push rod; 18. lifting the hanger; 181. lifting a lifting rope; 182. a concave frame; 19. a cross beam; 20. and (6) threading holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a drop test device comprises a base 1, a column 5 and a top plate 6;

four upright posts 5 are welded at four corners of the upper surface of the base 1, and top plates 6 are welded at the top ends of the four upright posts 5;

6 bottom center departments of roof 6 are fixed with first pulley 8 through first pulley yoke 7, welded fastening has crossbeam 19 between two stands 5 on base 1 right side, it is connected with second pulley 10 to rotate through second pulley yoke 9 on crossbeam 19, the welding has the motor cabinet on a side table wall of stand 5, and bolted fastening has rolling motor 11 on the motor cabinet, it is connected with wind-up roll 12 to rotate on rolling motor 11's the output, the wire wrap 13 on wind-up roll 12, the other end of rope 13 is connected with plays gallows 18, set up the through wires hole 20 that cooperation rope 13 used on the crossbeam 19.

The lifting frame 18 is composed of lifting ropes 181 and a concave frame 182, the lifting ropes 181 are provided with four, the top ends of the four lifting ropes 181 are connected together, the bottom ends of the four lifting ropes 181 are connected with the concave frame 182, a second electric push rod 17 is fixed at the center of the vertical wall of the concave frame 182 through bolts, an electric push rod seat 15 is fixed on the second electric push rod 17 through a screw, and the electric push rod seat 15 is connected with a sliding groove 16 formed in the upright post 5 through a sliding block 14 in a sliding mode.

The upper surface of the base 1 is provided with a groove 3, a cushion block 4 is arranged inside the groove 3, a first electric push rod 2 is fixedly embedded below the groove 3 inside the base 1, and the top end of the first electric push rod 2 is fixedly welded with the cushion block 4.

The working principle is as follows: when the drop test device is used, firstly, a test piece is placed on a base 1 and is positioned right above a cushion block 4, a first electric push rod is controlled to extend 2 to drive the cushion block 4 to lift out of a groove 3, at the moment, the bottom of the test piece cannot be contacted with the base 1 under the lifting action of the cushion block 4, the area of the cushion block 4 is smaller than that of the test piece, at the moment, a second electric push rod 17 is controlled to extend to drive four concave frames 182 to be clamped at two ends of two side walls of the test piece, so that the four concave frames 182 are attached to the test piece, the connection and fixation between a hanging frame 18 and the test piece are completed, then, a rolling motor 11 is opened, a driving rope 13 of a rolling roller 12 is controlled to roll, different height adjustment can be performed on the test piece fixed on the hanging frame 18, after the height adjustment is completed, the rolling motor 11 is closed, when the test piece and the hanging frame 18 need to be separated for, the concave frame 182 is driven to separate from the test piece, so that the whole device can operate completely.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A drop test device is characterized by comprising a base (1), a stand column (5) and a top plate (6);

four upright posts (5) are welded at four corners of the upper surface of the base (1), and top plates (6) are welded at the top ends of the four upright posts (5);

roof (6) bottom center department is fixed with first pulley (8) through first pulley yoke (7), welded fastening has crossbeam (19) between two stand (5) on base (1) right side, it is connected with second pulley (10) to rotate through second pulley yoke (9) on crossbeam (19), the welding has the motor cabinet on a lateral surface wall of stand (5), and bolted fastening has rolling motor (11) on the motor cabinet, it is connected with wind-up roll (12) to rotate on the output of rolling motor (11), on wind-up roll (12) around connecing rope (13), the other end of rope (13) is connected with gallows (18).

2. A drop test device as claimed in claim 1, wherein the lifting frame (18) comprises four lifting ropes (181) and a concave frame (182), the lifting ropes (181) are provided in total, the top ends of the four lifting ropes (181) are connected together, and the bottom ends of the four lifting ropes (181) are connected with the concave frame (182).

3. The drop test device according to claim 2, wherein a second electric push rod (17) is fixed at the center of the vertical wall of the concave frame (182) through a bolt, an electric push rod seat (15) is fixed on the second electric push rod (17) through a bolt, and the electric push rod seat (15) is connected with a sliding groove (16) formed in the upright column (5) in a sliding manner through a sliding block (14).

4. The drop test device according to claim 1, wherein a groove (3) is formed in the upper surface of the base (1), a cushion block (4) is arranged inside the groove (3), the first electric push rod (2) is embedded and fixed below the groove (3) inside the base (1), and the top end of the first electric push rod (2) is welded and fixed with the cushion block (4).

5. A drop test device according to claim 1, wherein the cross beam (19) is provided with a threading hole (20) for matching with the rope (13).