CN209893039U - Vibration exciter hoisting device - Google Patents

Abstract

The utility model provides a vibration exciter hoisting device, which comprises a supporting leg, a lifting mechanism, an adjusting mechanism, a hoisting frame, a mounting plate, a vibration exciter and a thread adjusting rod, wherein the lifting mechanism of the utility model is provided with a hand wheel which is shaken to drive a screw rod to rotate through a transmission shaft and a bevel gear when the height of the vibration exciter is adjusted, a thread cylinder is changed into linear motion through a slide block and a chute to jack the adjusting mechanism, thereby effectively realizing the height adjustment of the vibration exciter and being suitable for the vibration excitation test of test bodies with different heights; the adjusting mechanism is arranged, when in adjustment, the top plate is adjusted on the bottom plate in a sliding mode through the support rod, so that the adjustment of the distance between the top plate and the bottom plate is realized, and the support rod penetrates through the wing bolt adjusting groove through the wing bolt to lock and fix the support rod, so that the stability of the equipment during vibration excitation is ensured; due to the arrangement of the support rods and the slide block grooves, the single-side support rod can be adjusted to realize the inclination of the top plate, the test body at the inclination angle can be well attached, and a good excitation effect can be realized.

Description

Vibration exciter hoisting device

Technical Field

The utility model belongs to the technical field of vibration exciter hoist device, especially, relate to a vibration exciter hoist device.

Background

The vibration exciter is a test device used for exciting a test object to generate forced vibration in a structural vibration test. At present, when a mechanical structure is subjected to an analysis test of vibration modes and the like, a test method of performing single-point excitation multi-point response by using a vibration exciter is generally adopted, a plurality of measuring points are uniformly distributed in the axial direction and the circumferential direction of a main shaft of the vibration exciter, each measuring point is excited by the vibration exciter, and the vibration modes and the like of the structure are analyzed and forecasted according to the response of each measuring point of a structural member excited by the vibration exciter. Most of the existing vibration exciters are used on a tray type mounting frame, and due to the rigid connection of the vibration exciters, the connection position of the mounting frame can be loosened after the mounting frame is used for a period of time, so that the working condition of the vibration exciters is influenced. In addition, the existing vibration exciter fixing method can not realize the accurate installation of each position of the vibration exciter, is very troublesome when testing different measuring points, and brings much inconvenience to the operation. Therefore, the realization of stable installation of the vibration exciter is of great significance in engineering tests.

The invention discloses a simple hoisting device of a six-degree-of-freedom vibration exciter, which is disclosed as CN 106185733B and comprises a square frame consisting of four supporting trusses and eight horizontal trusses, wherein a slide way is arranged in the square frame, steering wheels are respectively arranged at four corners of the lower end of the square frame, two horizontal sectional materials with adjustable positions are arranged on the upper end surface of the square frame, two first lifting lugs are arranged on each horizontal sectional material, each first lifting lug is hinged with a thread locking member, the end parts of the four thread locking members are respectively hinged with four second lifting lugs, and the four second lifting lugs are arranged on the vibration exciter. The device has the advantages of simple structure, convenience in disassembly and assembly, flexibility in adjustment, good stability and the like. However, the simple hoisting device of the existing six-degree-of-freedom vibration exciter has the problems that the vertical adjustment is inconvenient, the fixed stability is poor after the adjustment, and the good fitting can not be carried out on the test body of the inclination angle.

Therefore, the invention provides a vibration exciter hoisting device which is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a vibration exciter hoist device to the simple and easy hoist device who solves current six degree of freedom vibration exciters still exists that the adjustment is inconvenient from top to bottom, adjusts the poor stability of back fixed and can not carry out the problem of fine laminating to inclination's test body. A vibration exciter hoisting device comprises 4 support legs, a lifting mechanism, an adjusting mechanism, a hoisting frame, a mounting plate, vibration exciters and a threaded adjusting rod, wherein the support legs are arranged in an inclined shape and are mounted at four corners at the bottom of the adjusting mechanism through bolts; the lifting mechanism is embedded in the middle of the adjusting mechanism; the hanger frame is arranged in an n shape and is in sliding connection with the top of the adjusting mechanism; the mounting plate is mounted on the top side inside the hanger frame through a threaded adjusting rod; the vibration exciter is arranged on the mounting plate through a bolt; the number of the thread adjusting rods is 4.

The lifting mechanism comprises a shell, a hand-operated wheel, a transmission shaft, a bevel gear, a screw rod, a sliding block, a threaded cylinder and a sliding groove, wherein the hand-operated wheel is connected with the transmission shaft in a matching way; the transmission shaft is rotatably connected with the shell through a bearing; 2 bevel gears are adopted, are respectively matched and connected with the transmission shaft and the screw rod and are meshed and connected with each other; the bottom of the screw is rotationally connected with the bottom of the shell through a bearing; the sliding blocks are welded on two sides of the threaded cylinder and are in sliding connection with the sliding grooves; the sliding grooves are formed in two sides of the shell.

The adjusting mechanism comprises a bottom plate, a wing-shaped bolt, a pin shaft, a top plate and a support rod, wherein the bottom plate is connected with the top plate through the support rod; the bottom of the stay bar is fixedly connected with the bottom plate through a wing bolt, and the top of the stay bar is connected with the top plate through a pin shaft; the top plate is rotationally connected with the support rod through a pin shaft; the number of the support rods is 2.

The bottom plate comprises a plate body, an embedded hole, a slider groove and a wing bolt adjusting groove, wherein the embedded hole is formed in the middle of the plate body; the sliding block grooves are formed in two sides of the embedding hole; the wing bolt adjusting grooves are 4 and are arranged on two sides of the plate body.

2 sliding chutes are formed in the top of the top plate, so that the vibration exciter can move in the vibration excitation test, the moving vibration excitation test of different test points of the test body is realized, and a good vibration excitation effect is guaranteed.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses elevating system's setting is when to vibration exciter altitude mixture control, wave hand wheel, drives the screw rod through transmission shaft and bevel gear and rotates, and a screw thread section of thick bamboo becomes linear motion through slider and spout, with adjustment mechanism jack-up, the effectual altitude mixture control that has realized the vibration exciter is applicable to the test body of co-altitude and carries out the excitation test.

2. The utility model discloses an adjustment mechanism's setting, during the adjustment, the roof passes through vaulting pole sliding adjustment on the bottom plate, has realized the regulation of distance between roof and the bottom plate, and the vaulting pole passes wing type bolt adjustment tank through wing type bolt and locks fixedly to the vaulting pole, is favorable to guaranteeing the stability of equipment when the excitation.

3. The utility model discloses a setting of screw thread regulating part, its length is adjusted to screw thread regulating part accessible screw thread, is convenient for realize the experimental effect of single-point excitation multiple spot response.

4. The utility model discloses a setting of vaulting pole and slider groove, vaulting pole adopt 2, and 2 vaulting poles adjust the height that can realize adjustment mechanism simultaneously, and the slope of roof can be realized in the unilateral vaulting pole regulation, can carry out fine laminating to inclination's the test body to realize good excitation effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the lifting mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention.

Fig. 4 is a schematic view of the bottom plate structure of the present invention.

Fig. 5 is a schematic view of the top plate structure of the present invention.

In the figure:

1-supporting leg, 2-lifting mechanism, 21-shell, 22-hand wheel, 23-transmission shaft, 24-bevel gear, 25-screw rod, 26-slide block, 27-threaded cylinder, 28-sliding groove, 3-adjusting mechanism, 31-bottom plate, 311-plate body, 312-embedded hole, 313-slide block groove, 314-wing bolt adjusting groove, 32-wing bolt, 33-pin shaft, 34-top plate, 35-supporting rod, 4-hanger frame, 5-mounting plate, 6-vibration exciter and 7-thread adjusting rod.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 5

The utility model provides a vibration exciter hoisting device, which comprises supporting legs 1, a lifting mechanism 2, an adjusting mechanism 3, a hanger frame 4, a mounting plate 5, vibration exciters 6 and a thread adjusting rod 7, wherein the number of the supporting legs 1 is 4, the supporting legs are arranged in an inclined shape, and the supporting legs are arranged at four corners at the bottom of the adjusting mechanism 3 through bolts; the lifting mechanism 2 is embedded in the middle of the adjusting mechanism 3; the hanging frame 4 is arranged in an n shape and is connected with the top of the adjusting mechanism 3 in a sliding way; the mounting plate 5 is mounted on the top side inside the hanger frame 4 through a threaded adjusting rod 7; the vibration exciter 6 is arranged on the mounting plate 5 through a bolt; the number of the threaded adjusting rods 7 is 4.

The lifting mechanism 2 comprises a shell 21, a hand-operated wheel 22, a transmission shaft 23, a bevel gear 24, a screw 25, a sliding block 26, a threaded cylinder 27 and a sliding groove 28, wherein the hand-operated wheel 22 is connected with the transmission shaft 23 in a matching way; the transmission shaft 23 is rotatably connected with the shell 21 through a bearing; 2 bevel gears 24 are respectively matched and connected with the transmission shaft 23 and the screw 25 and are meshed and connected with each other; the bottom of the screw 25 is rotatably connected with the bottom of the shell 21 through a bearing; the sliding blocks 26 are welded on two sides of the threaded cylinder 27 and are in sliding connection with the sliding grooves 28; the slide grooves 28 are opened at both sides of the inside of the housing 21.

The adjusting mechanism 3 comprises a bottom plate 31, a wing bolt 32, a pin shaft 33, a top plate 34 and a stay bar 35, wherein the bottom plate 31 is connected with the top plate 34 through the stay bar 35; the bottom of the brace 35 is fixedly connected with the bottom plate 31 through an airfoil bolt 32, and the top of the brace is connected with the top plate 34 through a pin shaft 33; the top plate 34 is rotatably connected with a support rod 35 through a pin shaft 33; the number of the stay bars 35 is 2.

The bottom plate 31 comprises a plate body 311, an embedded hole 312, a slider groove 313 and a wing bolt adjusting groove 314, wherein the embedded hole 312 is formed in the middle of the plate body 311; the slider grooves 313 are formed on both sides of the insertion hole 312; the number of the wing bolt adjusting slots 314 is 4, and the wing bolt adjusting slots are arranged on two sides of the plate body 311.

2 sliding grooves are formed in the top of the top plate 34, so that the vibration exciter 6 can move in the vibration excitation test, the movable vibration excitation test of different test points of the test body is realized, and a good vibration excitation effect is guaranteed.

Principle of operation

The utility model discloses in, in to vibration exciter altitude mixture control, wave hand wheel 22, it rotates to drive screw rod 25 through transmission shaft 23 and bevel gear 24, threaded cylinder 27 becomes linear motion through slider 26 and spout 28, with adjustment mechanism 3 jack-up, the effectual altitude mixture control who realizes vibration exciter 6, roof 34 passes through vaulting pole 35 sliding adjustment on bottom plate 31, the regulation of distance between roof 34 and the bottom plate 31 has been realized, vaulting pole 35 passes wing bolt adjustment tank 314 through wing bolt 32 and locks vaulting pole 35 fixedly, be favorable to guaranteeing the stability of equipment when the excitation, 2 the altitude mixture control that adjustment mechanism 3 can be realized to individual vaulting pole 35 simultaneously regulation, the slope that roof 34 can be realized to unilateral vaulting pole 35 regulation, can carry out fine laminating to inclination's test body, and realize good excitation effect.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (5)

1. A vibration exciter hoist device which characterized in that: the vibration exciter comprises 4 support legs (1), a lifting mechanism (2), an adjusting mechanism (3), a hanger frame (4), a mounting plate (5), vibration exciters (6) and a thread adjusting rod (7), wherein the support legs (1) are arranged in an inclined shape and are mounted at four corners of the bottom of the adjusting mechanism (3) through bolts; the lifting mechanism (2) is embedded in the middle of the adjusting mechanism (3); the hanging frame (4) is arranged in an n shape and is in sliding connection with the top of the adjusting mechanism (3); the mounting plate (5) is mounted on the top side inside the hanger frame (4) through a threaded adjusting rod (7); the vibration exciter (6) is arranged on the mounting plate (5) through a bolt; the number of the thread adjusting rods (7) is 4.

2. The exciter hoisting device according to claim 1, characterized in that: the lifting mechanism (2) comprises a shell (21), a hand-operated wheel (22), a transmission shaft (23), a bevel gear (24), a screw rod (25), a sliding block (26), a threaded cylinder (27) and a sliding groove (28), wherein the hand-operated wheel (22) is connected with the transmission shaft (23) in a matching way; the transmission shaft (23) is rotatably connected with the shell (21) through a bearing; 2 bevel gears (24) are respectively matched and connected with the transmission shaft (23) and the screw (25) and are meshed and connected with each other; the bottom of the screw rod (25) is rotationally connected with the bottom of the shell (21) through a bearing; the sliding blocks (26) are welded on two sides of the threaded cylinder (27) and are in sliding connection with the sliding grooves (28); the sliding grooves (28) are formed in two sides of the inner portion of the shell (21).

3. The exciter hoisting device according to claim 1, characterized in that: the adjusting mechanism (3) comprises a bottom plate (31), a wing bolt (32), a pin shaft (33), a top plate (34) and a support rod (35), wherein the bottom plate (31) is connected with the top plate (34) through the support rod (35); the bottom of the support rod (35) is fixedly connected with the bottom plate (31) through an airfoil bolt (32), and the top of the support rod is connected with the top plate (34) through a pin shaft (33); the top plate (34) is rotatably connected with the support rod (35) through a pin shaft (33); the number of the support rods (35) is 2.

4. The exciter hoisting device according to claim 3, characterized in that: the bottom plate (31) comprises a plate body (311), an embedded hole (312), a slider groove (313) and a wing bolt adjusting groove (314), wherein the embedded hole (312) is formed in the middle of the plate body (311); the sliding block grooves (313) are formed in two sides of the embedding hole (312); the number of the wing bolt adjusting grooves (314) is 4, and the wing bolt adjusting grooves are arranged on two sides of the plate body (311).

5. The exciter hoisting device according to claim 3, characterized in that: 2 sliding grooves are formed in the top of the top plate (34).

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