1. The utility model provides a but height-adjusting's through-flow fan blade drop test frock which characterized in that: the test device comprises a test base (1), wherein a lifting test mechanism (2) is arranged at the top of the outer side of the test base (1);

the lifting testing mechanism (2) comprises a testing housing (201), the bottom of the outer side of the testing housing (201) is fixedly connected with the top of a testing base (1), a rotating lead screw (202) is vertically arranged in the inner cavity of the lifting testing base (1), a connecting rotating rod (203) is fixed at the bottom of the rotating lead screw (202), the bottom of the connecting rotating rod (203) respectively rotates to penetrate through the bottom of the testing housing (201) and the top of the testing base (1) and is sleeved with a driven bevel gear (204), a servo motor (205) is installed at the bottom of the inner cavity of the testing base (1), a driving bevel gear (206) is sleeved at the output end of the servo motor (205), the driving bevel gear (206) is meshed with the driven bevel gear (204), a first lifting sliding sleeve (207) and a second lifting sliding sleeve (208) are sleeved on the outer wall of the rotating lead screw (202) in a threaded manner, a lifting mounting rod (209) is fixed on the side wall of one end of the first lifting sliding sleeve (207), the lifting installation rod (209) penetrates through the outer wall of the test housing (201) and is sleeved with the clamping and fastening mechanism (3), the side wall of the second lifting sliding sleeve (208) is fixed with an electric telescopic rod (201), and the telescopic end of the electric telescopic rod (209) is located on the outer side of the test housing (201) and is fixed with a butt placing plate (2010).

2. The cross-flow fan blade drop test tool with the adjustable height of claim 1, characterized in that: centre gripping fastening device (3) are including centre gripping mounting panel (301), centre gripping mounting panel (301) and lift installation pole (209) lateral wall fixed connection, fixed spout (302) have been seted up on centre gripping mounting panel (301), sliding connection has first solid fixed splint (303), the solid fixed splint (304) of second on fixed spout (302), connect through hydraulic telescoping rod (305) between first solid fixed splint (303), the solid fixed splint of second (304).

3. The cross-flow fan blade drop test tool with the adjustable height of claim 1, characterized in that: the opposite end side walls of the first fixed clamping plate (303) and the second fixed clamping plate (304) are provided with fixed clamping grooves (4).

4. The cross-flow fan blade drop test tool with the adjustable height of claim 1, characterized in that: a testing slide rod (7) is fixed to the side wall of one end, far away from the abutting placement plate (2010), of the second lifting sliding sleeve (208), and a measuring rod (5) is fixed to the left side, located on the testing housing (201), of the top of the testing base (1).

5. The cross-flow fan blade drop test tool with the adjustable height of claim 4, characterized in that: the side wall of the forward outer end of the measuring rod (5) is uniformly marked with measuring scale degrees.

6. The cross-flow fan blade drop test tool with the adjustable height of claim 3, characterized in that: and the outer walls of the two groups of fixed clamping grooves (4) are sleeved with anti-skid rubber sleeves.

7. The cross-flow fan blade drop test tool with the adjustable height of claim 1, characterized in that: the bottom of the rotary screw rod (202) is rotatably connected with the bottom of the inner cavity of the test housing (201) through a rotary shaft.

8. The cross-flow fan blade drop test tool with the adjustable height of claim 1, characterized in that: the side walls of the two ends of the test housing (201) are respectively provided with a fixed sliding cavity (6) for the sliding connection of an electric telescopic rod (209) and a lifting installation rod (209).

Background

The cross flow fan is a special fan, and generally has a tower shape, and a large cylindrical shape is also available. The blown air is slowly dispersed and columnar, so that a plurality of the air can be combined for use to form relay type air flow transmission.

The through-flow fan blade drop test tool has the advantages that drop test needs to be carried out on the through-flow fan blade before the through-flow fan blade is put into application, and the existing through-flow fan blade drop test tool has the defects that due to the fact that the through-flow fan blade is of a cylindrical structure, clamping is not fastened easily to fall off through clamping claws, test errors are caused easily, and the specific height value of the test cannot be obtained conveniently and quickly.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides a height-adjustable through-flow fan blade drop test tool.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a height-adjustable cross-flow fan blade drop test tool comprises a test base, wherein a lifting test mechanism is arranged at the top of the outer side of the test base;

the lifting testing mechanism comprises a testing housing, the bottom of the outer side of the testing housing is fixedly connected with the top of the testing base, a rotating lead screw is vertically arranged in the inner cavity of the lifting testing base, a connecting rotating rod is fixed at the bottom of the rotating lead screw, the bottom of the connecting rotating rod respectively rotates to penetrate through the bottom of the testing housing and the top of the testing base and is sleeved with a driven bevel gear, a servo motor is installed at the bottom of the inner cavity of the testing base, a driving bevel gear is sleeved at the output end of the servo motor, the driving bevel gear and the driven bevel gear are mutually meshed, a first lifting sliding sleeve and a second lifting sliding sleeve are sleeved on the outer wall of the rotating lead screw in a screwed mode, a lifting installation rod is fixed on the side wall of one end of the first lifting sliding sleeve, the lifting installation rod penetrates through the outer wall of the testing housing and is sleeved with a clamping and fastening mechanism, and an electric telescopic rod is fixed on the side wall of the second lifting sliding sleeve, the flexible end of electric telescopic handle is located the test housing outside and is fixed with the butt and places the board.

Preferably, centre gripping fastening device includes the centre gripping mounting panel, centre gripping mounting panel and lift installation pole lateral wall fixed connection, fixed spout has been seted up on the centre gripping mounting panel, sliding connection has first solid fixed splint, second solid fixed splint on the fixed spout, connect through hydraulic telescoping rod between first solid fixed splint, the second solid fixed splint.

Preferably, the opposite end side walls of the first fixed clamping plate and the second fixed clamping plate are respectively provided with a fixed clamping groove.

Preferably, the second lifting sliding sleeve is far away from the butt and places board one end lateral wall and be fixed with the test slide bar, the test base top is located test housing left side and is fixed with the measuring stick.

Preferably, the side wall of the positive outer end of the measuring rod is uniformly marked with measuring scale degrees.

Preferably, the outer walls of the two groups of fixed clamping grooves are sleeved with anti-skid rubber sleeves.

Preferably, the bottom of the rotary lead screw is rotatably connected with the bottom of the inner cavity of the test casing through a rotary shaft.

Preferably, the side walls of the two ends of the test housing are respectively provided with a fixed sliding cavity for the sliding connection of the electric telescopic rod and the lifting installation rod.

Has the advantages that:

1. after fixing the centre gripping of through-flow fan blade, start servo motor and drive bevel gear and rotate, because drive bevel gear and driven bevel gear intermeshing, the rotation lead screw that drives the top through driven bevel gear rotates, because it is equipped with first lift sliding sleeve and second lift sliding sleeve to rotate lead screw outer wall spiro union cover, it rises to drive the through-flow fan blade, when rising to the height of test, start electric telescopic handle and place the board shrink with the butt, hydraulic telescopic handle drives first solid fixed splint, the second solid fixed splint open, make the through-flow fan blade be free fall and fall, test its intensity.

2. Before carrying out the anticollision test, when fixing the through-flow fan blade, place the board on the board is placed to the butt with through-flow fan blade bottom lateral wall, its outer wall is in between first solid fixed splint and the second solid fixed splint, starts electric telescopic handle afterwards and drives first solid fixed splint and second solid fixed splint and draw close each other until fixing the through-flow fan blade centre gripping, and the butt of setting is placed the board and is effectively prevented the through-flow fan blade at the in-process that rises, because the centre gripping is not fastened and takes place to drop.

3. Through observing the measuring scale number of the test slide bar pointing to the measuring bar, the falling height of the cross-flow fan blade at each time is quickly calculated.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the present invention in more detail;

FIG. 3 is a schematic view of a clamping and fastening mechanism according to the present invention;

FIG. 4 is a schematic side view of the test enclosure of the present invention;

the reference numbers in the drawings are as follows:

1-a test base, 2-a lifting test mechanism, 201-a test housing, 202-a rotating screw rod, 203-a connecting rotating rod, 204-a driven bevel gear, 205-a servo motor, 206-a driving bevel gear, 207-a first lifting sliding sleeve, 208-a second lifting sliding sleeve, 209-a lifting installation rod, 2010-an abutting placement plate, 3-a clamping fastening mechanism, 301-a clamping installation plate, 302-a fixed sliding chute, 303-a first fixed clamping plate, 304-a second fixed clamping plate, 305-a hydraulic telescopic rod, 4-a fixed clamping groove, 5-a measuring rod, 6-a fixed sliding cavity and 7-a test sliding rod.

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.

Example 1:

as shown in fig. 1-4, the invention relates to a height-adjustable through-flow fan blade drop test tool, which comprises a test base 1, wherein a lifting test mechanism 2 is arranged at the top of the outer side of the test base 1;

the lifting testing mechanism 2 comprises a testing housing 201, the bottom of the outer side of the testing housing 201 is fixedly connected with the top of a testing base 1, a rotating lead screw 202 is vertically arranged in the inner cavity of the lifting testing base 1, a connecting rotating rod 203 is fixed at the bottom of the rotating lead screw 202, the bottom of the connecting rotating rod 203 respectively rotates to penetrate through the bottom of the testing housing 201 and the top of the testing base 1 and is sleeved with a driven bevel gear 204, a servo motor 205 is installed at the bottom of the inner cavity of the testing base 1, a driving bevel gear 206 is sleeved at the output end of the servo motor 205, the driving bevel gear 206 and the driven bevel gear 204 are mutually meshed, a first lifting sliding sleeve 207 and a second lifting sliding sleeve 208 are screwed and sleeved on the outer wall of the rotating lead screw 202, a lifting installation rod 209 is fixed on the side wall of one end of the first lifting sliding sleeve 207, the lifting installation rod 209 penetrates through the outer wall of the testing housing 201 and is sleeved with a clamping fastening mechanism 3, and an electric telescopic rod 209 is fixed on the side wall of the second lifting sliding sleeve 208, an abutting placing plate 2010 is fixed on the telescopic end of the electric telescopic rod 209 outside the test housing 201.

The specific application of this embodiment is: after the cross-flow fan blade is clamped and fixed, the servo motor 205 is started to drive the driving bevel gear 206 to rotate, the driving bevel gear 206 and the driven bevel gear 204 are meshed with each other, the rotating screw 202 at the top is driven to rotate through the driven bevel gear 204, the first lifting sliding sleeve 207 and the second lifting sliding sleeve 208 are sleeved on the outer wall of the rotating screw 202 in a threaded manner to drive the cross-flow fan blade to ascend, when the cross-flow fan blade ascends to the testing height, the electric telescopic rod 209 is started to shrink the abutting placing plate 2010, the hydraulic telescopic rod 305 drives the first fixing clamping plate 303 and the second fixing clamping plate 304 to be opened, so that the cross-flow fan blade falls in a free falling body, and the strength of the cross-flow fan blade is tested.

Example 2:

wherein, centre gripping fastening device 3 includes centre gripping mounting panel 301, centre gripping mounting panel 301 and 209 lateral walls fixed connection of lift installation pole, fixed spout 302 has been seted up on the centre gripping mounting panel 301, sliding connection has first solid fixed splint 303 on the fixed spout 302, second solid fixed splint 304, first solid fixed splint 303, connect through hydraulic telescoping rod 305 between the second solid fixed splint 304, first solid fixed splint 303, solid fixed splint 304 looks remote site lateral wall has all been seted up fixed slot 4 to the second, 5 forward outer end lateral walls of measuring stick are evenly marked with the measurement number of graduations, 4 outer wall sockets of two sets of fixed slot have the anti-skidding rubber sleeve.

The specific application of this embodiment is: before carrying out the anticollision test, when fixing the through-flow fan blade, place through-flow fan blade bottom lateral wall on board 2010 is placed to the butt, its outer wall is in between first solid fixed splint 303 and the second solid fixed splint 304, start electric telescopic handle 209 afterwards and drive first solid fixed splint 303 and the second solid fixed splint 304 and draw close each other until fixing the through-flow fan blade centre gripping, the butt of setting is placed board 2010 and is effectively prevented the through-flow fan blade at the in-process that rises, because the centre gripping is not fastened the emergence and is come off.

Example 3:

the lateral wall of one end, far away from the butt placing plate 2010, of the second lifting sliding sleeve 208 is fixed with a testing sliding rod 7, the top of the testing base 1 is located on the left side of the testing housing 201 and is fixed with a measuring rod 5, the bottom of the rotating screw 202 is rotatably connected with the bottom of the inner cavity of the testing housing 201 through a rotating shaft, and the lateral walls of the two ends of the testing housing 201 are respectively provided with a fixed sliding cavity 6 for slidably connecting the electric telescopic rod 209 and the lifting installing rod 209.

The specific application of this embodiment is: firstly, the falling height of the cross-flow fan blade at each time is quickly calculated by observing the measuring scale number of the test slide rod 7 pointing to the measuring rod 5.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments have not been described in detail to avoid obscuring the description of the invention in its specific form, and it is to be understood that many modifications and variations are possible in light of the teaching of this specification. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.