Rotating shaft locking mechanism with fine adjustment function

Abstract

The utility model provides a rotating shaft locking mechanism with a fine adjustment function, which is characterized in that fine adjustment baffles are respectively and detachably arranged at two transverse ends between a pair of locking transverse plates, and the fine adjustment baffles are vertical to the locking transverse plates and a fixed bottom plate; and a fine-tuning bolt is mounted on each fine-tuning baffle plate through a fine-tuning threaded hole. A locking fork assembly is further included, the locking fork assembly comprises a sliding block, the sliding block can slide in the sliding groove in the transverse direction, the sliding block is rotatably connected with the vertical lower end of a Y-shaped fork through a rotating pin, and the vertical upper end of the Y-shaped fork is used for fixedly installing a rotating shaft arranged in the longitudinal direction. A plurality of locking blocks are installed in the sliding grooves in the two transverse sides of the sliding block respectively, and the locking blocks on the outermost sides of the two transverse ends can make contact with the transverse inner ends of the fine adjustment bolts. According to the utility model, fine adjustment operation can be carried out while the rotating shaft is firmly locked, and the locking structure is reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the test technical field, and relates to locking mechanism, concretely relates to a kind of rotation axis locking mechanism with fine adjustment function. BACKGROUND

[0002] The maturity of a product, test is its necessary stage, in the test of mechanical product, torque instrument is indispensable, in the calibration process of torque instrument, the rotor needs to be locked to carry out the calibration work of torque instrument, the way of locking rotor is various, has its advantages also has the shortcoming. SUMMARY

[0003] In view of the deficiencies of prior art, the utility model aims at providing a kind of rotation axis locking mechanism with fine adjustment function, to solve the technical problem that locking mechanism in prior art cannot realize fine adjustment.

[0004] In order to solve the above technical problem, the utility model adopts the following technical scheme to realize:

[0005] A kind of rotation axis locking mechanism with fine adjustment function, including fixed base plate, a pair of locking cross plates are fixedly arranged on fixed base plate, a pair of locking cross plates are arranged in transverse parallel and with fixed base plate vertical arrangement;Sliding slot between a pair of locking cross plates and fixed base plate.

[0006] The transverse both ends between the a pair of locking cross plates are detachably installed with fine adjustment baffle respectively, fine adjustment baffle is perpendicular to locking cross plate and fixed base plate;Each fine adjustment baffle is installed with fine adjustment bolt through fine adjustment screw hole.

[0007] It further includes locking fork assembly, the sliding block can slide in the sliding slot along the transverse, the sliding block is rotatably connected with the vertical lower end of Y-shaped fork through rotating pin, the vertical upper end of Y-shaped fork is used to fixedly install the rotation axis along the longitudinal arrangement.

[0008] The sliding slot of the lateral both sides of the sliding block is installed with a plurality of locking blocks respectively, the outermost locking block of transverse both ends can contact with the transverse inner end of the fine adjustment bolt;Fine adjustment bolt is pushed in the sliding slot along the transverse by locking block during rotation, and the sliding block is fine adjusted, and the swinging of Y-shaped fork is driven by the transverse fine adjustment of sliding block, and the rotation fine adjustment of rotation axis is driven by the swinging of Y-shaped fork.

[0009] The utility model also has the following technical features:

[0010] The vertical upper end of the Y-shaped fork is provided with a pair of fork arms, and the fork arms are provided with a pair of fork arms.

[0011] The pair of fork arms are respectively provided with locking pin holes penetrating the inside and outside of the fork mouth, and the locking pin holes are matched with locking pins to lock and connect the Y-shaped fork and the rotating shaft.

[0012] The pair of locking horizontal plates are provided with longitudinal fine adjustment baffle mounting holes, and the fine adjustment baffle mounting holes are detachably mounted with fine adjustment baffles.

[0013] The vertical upper portions of the pair of locking horizontal plates are provided with a plurality of coaxial longitudinal locking holes, and the locking holes are uniformly arranged along the horizontal direction; the locking blocks are locked by locking bolts mounted in each pair of locking holes of the pair of locking horizontal plates.

[0014] Compared with the prior art, the utility model has the following technical effects:

[0015] (I) The utility model realizes the firm locking of the rotating shaft and the fine adjustment operation at the same time, and the locking structure is reliable.

[0016] (II) The utility model discloses a rotating shaft locking mechanism with fine adjustment function, which is suitable for locking during rotor calibration of a torque instrument and is suitable for the rotating shafts that need to be locked. DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of the rotating shaft locking mechanism with fine adjustment function.

[0018] Figure 2 It is an external structure schematic diagram of the locking fork assembly.

[0019] Figure 3 It is an internal structure schematic diagram of the locking fork assembly.

[0020] Figure 4 It is a structure schematic diagram of the fine adjustment baffle mounting hole and the locking hole.

[0021] The meanings of the various reference numerals in the drawings are as follows: 1 is a fixed bottom plate, 2 is a locking horizontal plate, 3 is a sliding groove, 4 is a fine adjustment baffle, 5 is a fine adjustment threaded hole, 6 is a fine adjustment bolt, 7 is a locking fork assembly, 8 is a rotating shaft, 9 is a locking block, 10 is a fine adjustment baffle mounting hole, 11 is a locking hole, and 12 is a locking bolt.

[0022] 701 is a sliding block, 702 is a rotating pin, 703 is a Y-shaped fork, 704 is a fork arm, 705 is a fork mouth, 706 is a locking pin hole, and 707 is a locking pin.

[0023] The specific content of the utility model is further explained and described in detail in combination with the embodiments. DETAILED DESCRIPTION

[0024] It should be noted that all the devices and parts in the utility model, such as no special description, all adopt the devices and parts known in the prior art.

[0025] The following gives the specific embodiments of the utility model, it should be noted that the utility model is not limited to the following specific embodiments, and equivalent transformations made on the basis of the technical solutions of the application all fall within the protection scope of the utility model.

[0026] Embodiment:

[0027] The embodiment gives a rotating shaft locking mechanism with fine adjustment function, as shown in Figure 1 , including fixed base plate 1, a pair of locking horizontal plate 2 is fixedly arranged on fixed base plate 1, a pair of locking horizontal plate 2 is horizontally parallel and is arranged perpendicularly with fixed base plate 1;The sliding slot 3 between a pair of locking horizontal plate 2 and fixed base plate 1.

[0028] As shown in Figure 1 , the transverse both ends between a pair of locking horizontal plate 2 are detachably mounted with fine adjustment baffle 4, fine adjustment baffle 4 is perpendicular to locking horizontal plate 2 and fixed base plate 1;Fine adjustment baffle 4 is installed on each fine adjustment baffle 4 through fine adjustment screw hole 5 and fine adjustment bolt 6.

[0029] As shown in Figure 1 And Figure 2 , it further includes locking fork assembly 7, locking fork assembly 7 includes sliding block 701, sliding block 701 can slide in sliding slot 3 along the horizontal direction, sliding block 701 is rotatably connected with the vertical lower end of Y-shaped fork 703 through rotating pin 702, the vertical upper end of Y-shaped fork 703 is used for fixedly installing the rotating shaft 8 along the longitudinal direction.

[0030] As shown in Figure 1 , the sliding slot 3 of the lateral both sides of sliding block 701 is respectively installed with a plurality of locking blocks 9, and the outermost locking block 9 at the transverse end can contact the transverse inner end of the fine adjustment bolt 6;The fine adjustment bolt 6 is pushed in the sliding slot 3 along the horizontal direction by the locking block 9 during the rotation process, and the horizontal adjustment of the sliding block 701 drives the swing of the Y-shaped fork 703, and the swing of the Y-shaped fork 703 drives the rotating shaft 8 to rotate in the circumferential direction.

[0031] As a preferred scheme of the embodiment, as shown in Figure 2 And Figure 3 , the vertical upper end of Y-shaped fork 703 is provided with a pair of fork arms 704, and the fork mouth 705 is arranged between the pair of fork arms 704, and the rotating shaft 8 is fixedly installed in the fork mouth 705.

[0032] Further preferably, as shown in Figure 2 And Figure 3As shown, a pair of fork arms 704 are provided with locking pin holes 706 that pass through the inside and outside of the fork mouth 705, and the locking pin holes 706 cooperate with the locking pin 707 to lock and connect the Y-shaped fork 703 and the rotating shaft 8.

[0033] As a preferred scheme of the present embodiment, as shown in Figure 4 As shown, a pair of locking cross plates 2 are provided with vertically passing fine adjustment baffle mounting holes 10, and the fine adjustment baffle mounting holes 10 are detachably mounted with fine adjustment baffles 4.

[0034] As a preferred scheme of the present embodiment, as shown in Figure 4 As shown, a pair of locking cross plates 2 are provided with vertically passing fine adjustment baffle mounting holes 10, and the fine adjustment baffle mounting holes 10 are detachably mounted with fine adjustment baffles 4.

[0035] In use, the longitudinal ends of the rotating shaft 8 are constrained, and the rotating shaft 8 can only rotate around the central axis in the circumferential direction. The rotating shaft 8 is locked and connected with the locking fork assembly 7 through the locking pin 707.

[0036] The sliding block 701 of the locking fork assembly 7 is placed in the sliding groove 3, and a proper number of locking blocks 9 are placed in the sliding groove 3 on both sides of the sliding block 701. The fine adjustment baffles 4 and the fine adjustment bolts 6 at the transverse ends are installed. By adjusting the fine adjustment bolts 6 at the two ends, the fine adjustment bolts 6 are rotated and push the sliding block 701 to adjust in the horizontal direction in the sliding groove 3 through the locking block 9. The horizontal adjustment of the sliding block 701 drives the swing of the Y-shaped fork 703, and the swing of the Y-shaped fork 703 drives the rotating adjustment of the rotating shaft 8 in the circumferential direction. Finally, the leveling of the calibration arm connected to the rotating shaft 8 is achieved.

[0037] After leveling, a row of locking bolts 12 installed on the locking cross plate 2 are tightened, and the sliding groove of the pair of locking cross plates 2 is deformed to clamp and lock the locking block 9, so as to achieve the locking purpose.

Claims

1. A rotating shaft locking mechanism with fine-tuning function, characterized in that: It include fixed bottom plate (1), fixed bottom plate (1) is fixedly provided with a pair of locking horizontal plate (2), a pair of locking horizontal plate (2) is arranged in transverse parallel and is vertically arranged with fixed bottom plate (1);A pair of locking horizontal plate (2) and fixed bottom plate (1) between the sliding slot (3); The transverse both ends between the pair of locking horizontal plate (2) are detachably mounted with micro-adjusting baffle (4), micro-adjusting baffle (4) is perpendicular to locking horizontal plate (2) and fixed bottom plate (1);Every micro-adjusting baffle (4) is installed with micro-adjusting bolt (6) through micro-adjusting thread hole (5); It also includes locking fork assembly (7), the sliding block (701) can be slid along the transverse in the sliding slot (3), the sliding block (701) is rotatably connected with the vertical lower end of Y-shaped fork (703) through rotating pin (702), the vertical upper end of Y-shaped fork (703) is used for fixedly installing along the longitudinal arrangement rotating shaft (8); The sliding block (701) is installed with a plurality of locking blocks (9) in the sliding slot (3) of the transverse both sides respectively, the outermost locking block (9) of the transverse both ends can be contacted with the transverse inner end of the micro-adjusting bolt (6);The sliding block (701) is pushed in the sliding slot (3) along the transverse by locking block (9) during the rotation of micro-adjusting bolt (6), the transverse micro-adjusting of sliding block (701) drives the swing of Y-shaped fork (703), and the swing of Y-shaped fork (703) drives the rotating micro-adjusting of rotating shaft (8) in the circumferential direction.

2. The rotation axis lock mechanism having a fine adjustment function according to claim 1, wherein The vertical upper end of the Y-shaped fork (703) is provided with a pair of fork arms (704), and the fork mouth (705) is formed between the pair of fork arms (704), and the rotating shaft (8) is fixedly installed in the fork mouth (705).

3. The rotation axis locking mechanism having a fine adjustment function according to claim 2, wherein A locking pin hole (706) is formed through the inside and outside of the fork mouth (705) on the pair of fork arms (704), and the locking pin hole (706) is matched with the locking pin (707) to lock and connect the Y-shaped fork (703) and the rotating shaft (8).

4. The rotation axis lock mechanism having a fine adjustment function according to claim 1, wherein A longitudinal through micro-adjusting baffle mounting hole (10) is formed in the pair of locking horizontal plate (2), and the micro-adjusting baffle (4) is detachably mounted in the micro-adjusting baffle mounting hole (10).

5. The rotation axis lock mechanism having a fine adjustment function according to claim 1, wherein A plurality of coaxial longitudinal through locking holes (11) are formed in the vertical upper part of the pair of locking horizontal plate (2), and the locking holes (11) are evenly arranged along the transverse direction;The locking block (9) is locked by the locking bolt (12) installed in each pair of locking holes (11) on the pair of locking horizontal plate (2).

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