Safety clamping mechanism of concentricity measuring instrument

Abstract

The utility model discloses a safety clamping mechanism of a concentricity measuring instrument. The safety clamping mechanism comprises a base. The base is used for supporting mechanism elements, and a clamping adjusting assembly, a part measurement supporting assembly and a pressing wheel adjusting assembly are arranged on the base; the concentricity measuring instrument clamping device relates to the technical field of concentricity measuring instrument clamping, and has the advantages that the diameter of a part can be accurately adjusted through the clamping adjusting assembly, the auxiliary supporting roller can stretch out and draw back through the part measuring supporting assembly according to the length of the part, and therefore the part is stably supported, and the measuring accuracy is improved. And then the clamping position of the pressing wheel is adjusted through the pressing wheel adjusting assembly, so that part clamping is more stable, and the concentricity measuring instrument can adapt to parts of various models.

Description

Technical Field

[0001] The utility model relates to the technical field of concentricity measuring instrument clamping, in particular to a concentricity measuring instrument safety clamping mechanism. Background Art

[0002] The concentricity tester is used to check the concentricity of two axes of various rotating equipment such as centrifugal pumps, compressors, fans, generators, etc. (also known as wheel alignment). It has the characteristics of reasonable structure, high precision, small error, wide application range, easy use and maintenance, and is an ideal special measurement tool. However, the size of parts that can be clamped by conventional concentricity testers is limited to a certain range. Once the measured part size is too long or the diameter is too large, it cannot be adapted to the concentricity tester. Utility Model Content

[0003] To achieve the above objectives, the utility model is implemented through the following technical solutions: a concentricity measuring instrument safety clamping mechanism, comprising a base; the base is used to support the mechanism components, and the base is provided with a clamping adjustment component, a part measurement support component and a pressure wheel adjustment component;

[0004] The clamping and adjusting assembly includes: a first adjusting slot, a first lead screw module, a first connecting frame, a first sliding block, a first slideway, a movable part frame and a fixed part frame;

[0005] The first adjustment groove is opened on the base, the first screw module is installed in the first adjustment groove, the first slideway is opened on the base, the first sliding block is installed at the bottom of the movable parts rack, the movable parts rack is installed on the first slideway through the first sliding block, the bottom of the movable parts rack is connected to the slider in the first screw module through the first connecting frame, and the fixed parts rack is installed on the base.

[0006] Preferably, the part measurement support assembly comprises: a driving support roller, a driving slot, a driving motor, a driving gear, a transmission gear, a transmission shaft, a telescopic slot, a second adjustment slot, a second lead screw module, a telescopic rod, a limit block and an auxiliary support roller;

[0007] The driving groove is opened in the fixed parts frame, the driving motor is installed in the driving groove, the driving gear is sleeved on the output end of the driving motor, the transmission shaft is connected to the driving support roller, the driving support roller is installed on the upper cover of the fixed parts frame through the transmission shaft and extends into the second adjusting groove, the transmission gear is sleeved on the transmission shaft and meshes with the driving gear, the telescopic groove is opened on the driving support roller, the limit block is connected to the telescopic rod, the telescopic rod is installed in the telescopic groove through the limit block, the auxiliary support roller is connected to the outer end of the telescopic rod, the second adjusting groove is opened below the telescopic groove and is connected to the telescopic groove, the second screw module is installed in the second adjusting groove, and the limit block is connected to the slider in the second screw module.

[0008] Preferably, the pressure wheel adjustment assembly comprises: an adjustment frame, a third adjustment slot, a third lead screw module, a lifting frame, a second sliding block, a second slideway, a fourth adjustment slot, a fourth lead screw module, a fixed wheel frame, a movable wheel frame and a pressure wheel;

[0009] The adjusting frame is installed on the moving parts frame, the third adjusting groove is opened in the adjusting frame, the third lead screw module is installed in the third adjusting groove, the second sliding block is installed on the lifting frame, the second slideway is opened on the adjusting frame, the lifting frame is installed on the second slideway through the second sliding block, the lifting frame is connected to the slider of the third lead screw module, the fourth adjusting groove is opened in the lifting frame, the fourth lead screw module is installed in the fourth adjusting groove, the fixed wheel frame is installed on the lifting frame, the moving parts frame is connected to the slider in the fourth lead screw module, and the fixed wheel frame and the moving wheel frame are installed.

[0010] Preferably, a magnetic measuring mechanism is provided on the base.

[0011] Preferably, the first screw module, the third screw module and the fourth screw module are connected with a driving handle.

[0012] Preferably, the driving support roller and the auxiliary support roller are sleeved with rubber sleeves.

[0013] Beneficial Effects

[0014] The safety clamping mechanism of the concentricity measuring instrument has the following beneficial effects:

[0015] In this case, the clamping adjustment component can be used to make precise adjustments according to the part diameter, and the part measurement support component can be used to extend and retract the auxiliary support roller according to the part length, thereby stably supporting the part. The clamping position of the pressure wheel can then be adjusted through the pressure wheel adjustment component, thereby making the part clamping more stable and allowing the concentricity measuring instrument to adapt to various types of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1The present invention is a schematic diagram of the three-dimensional appearance structure of a safety clamping mechanism of a concentricity measuring instrument.

[0017] Figure 2 The utility model is a schematic side view of the safety clamping mechanism of the concentricity measuring instrument.

[0018] Figure 3 The utility model is a schematic diagram of a top view of a safety clamping mechanism of a concentricity measuring instrument.

[0019] Figure 4-5 The utility model is a schematic side view of the safety clamping mechanism of the concentricity measuring instrument.

[0020] Figure 6 It is a partially enlarged schematic diagram of a part measurement support assembly of a safety clamping mechanism of a concentricity measuring instrument described in the utility model.

[0021] In the figure: 1, base; 2, first adjustment slot; 3, first lead screw module; 4, first connecting frame; 5, first sliding block; 6, first slideway; 7, mobile parts frame; 8, fixed parts frame; 9, driving support roller; 10, driving slot; 11, driving motor; 12, driving gear; 13, transmission gear; 14, transmission shaft; 15, telescopic slot; 16, second adjustment slot; 17, second lead screw module; 18, telescopic rod; 19, limit block; 20, auxiliary support roller; 21, adjustment frame; 22, third adjustment slot; 23, third lead screw module; 24, lifting frame; 25, second sliding block; 26, second slideway; 27, fourth adjustment slot; 28, fourth lead screw module; 29, fixed wheel frame; 30, mobile wheel frame; 31, pressure wheel; DETAILED DESCRIPTION

[0022] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0023] See also Figure 1-6 , the utility model provides a technical solution.

[0024] A concentricity measuring instrument safety clamping mechanism, comprising a base 1; the base 1 is used to support the mechanism components, and the base 1 is provided with a clamping adjustment component, a part measurement support component and a pressure wheel adjustment component;

[0025] The clamping and adjusting assembly includes: a first adjusting slot 2, a first lead screw module 3, a first connecting frame 4, a first sliding block 5, a first slideway 6, a movable part frame 7 and a fixed part frame 8;

[0026] The first adjustment groove 2 is opened on the base 1, the first screw module 3 is installed in the first adjustment groove 2, the first slideway 6 is opened on the base 1, the first sliding block 5 is installed at the bottom of the moving part rack 7, the moving part rack 7 is installed on the first slideway 6 through the first sliding block 5, the bottom of the moving part rack 7 is connected to the slider in the first screw module 3 through the first connecting frame 4, and the fixed part rack 8 is installed on the base 1.

[0027] It should be noted that before clamping the test part, the first screw module 3 can be started to drive the movable part rack 7 to move on the first slide 6 through the first sliding block 5, so as to adjust the distance between the movable part rack 7 and the fixed part rack 8 according to the diameter size of the test part.

[0028] As a preferred embodiment, further, the part measurement support assembly includes: a driving support roller 9, a driving slot 10, a driving motor 11, a driving gear 12, a transmission gear 13, a transmission shaft 14, a telescopic slot 15, a second adjustment slot 16, a second lead screw module 17, a telescopic rod 18, a limit block 19 and an auxiliary support roller 20;

[0029] The driving groove 10 is opened in the fixed part frame 8, the driving motor 11 is installed in the driving groove 10, the driving gear 12 is sleeved on the output end of the driving motor 11, the transmission shaft 14 is connected to the driving support roller 9, the driving support roller 9 is installed on the upper cover of the fixed part frame 8 through the transmission shaft 14 and extends into the second adjusting groove 16, the transmission gear 13 is sleeved on the transmission shaft 14 and meshes with the driving gear 12, the telescopic groove 15 is opened on the driving support roller 9, the limit block 19 is connected to the telescopic rod 18, the telescopic rod 18 is installed in the telescopic groove 15 through the limit block 19, the auxiliary support roller 20 is connected to the outer end of the telescopic rod 18, the second adjusting groove 16 is opened below the telescopic groove 15 and is connected to the telescopic groove 15, the second screw module 17 is installed in the second adjusting groove 16, and the limit block 19 is connected to the slider in the second screw module 17.

[0030] It should be noted that when measuring, the driving motor 11 drives the driving gear 12 to rotate, so that the driving gear 12 drives the transmission shaft 14 equipped with the transmission gear 13 to rotate, thereby driving the driving support roller 9 to rotate, and through the impression of the second screw module 17, the limit block 19 can be driven to move, thereby driving the telescopic rod 18 to perform telescopic movement in the telescopic groove 15, thereby realizing the telescopic adjustment of the auxiliary support roller 20, so that the measuring instrument can support parts of various lengths.

[0031] As a preferred embodiment, further, the pressure wheel adjustment assembly includes: an adjustment frame 21, a third adjustment slot 22, a third screw module 23, a lifting frame 24, a second sliding block 25, a second slideway 26, a fourth adjustment slot 27, a fourth screw module 28, a fixed wheel frame 29, a movable wheel frame 30 and a pressure wheel 31;

[0032] The adjusting frame 21 is installed on the moving parts frame 7, the third adjusting groove 22 is opened in the adjusting frame 21, the third screw module 23 is installed in the third adjusting groove 22, the second sliding block 25 is installed on the lifting frame 24, the second slideway 26 is opened on the adjusting frame 21, the lifting frame 24 is installed on the second slideway 26 through the second sliding block 25, the lifting frame 24 is connected to the slider of the third screw module 23, the fourth adjusting groove 27 is opened in the lifting frame 24, the fourth screw module 28 is installed in the fourth adjusting groove 27, the fixed wheel frame 29 is installed on the lifting frame 24, the moving parts frame 7 is connected to the slider in the fourth screw module 28, and the fixed wheel frame 29 and the moving wheel frame 30 are installed.

[0033] It should be noted that when clamping the parts, the third screw module 23 can drive the lifting frame 24 to lift and lower on the second slide 26 through the second sliding block 25, thereby pressing the pressure wheel 31 on the surface of the part to achieve the clamping effect. The fourth screw module 28 can drive the movable wheel frame 30 to move laterally, thereby changing the distance between the two pressure wheels 31, so that the pressure wheel 31 can clamp the overly long parts more stably.

[0034] Preferably, further, the base 1 is provided with a magnetic measuring mechanism.

[0035] It should be noted that the magnetic measuring mechanism is used to test the concentricity of parts.

[0036] Preferably, further, the first screw module 3, the third screw module 23 and the fourth screw module 28 are connected with a driving handle.

[0037] It should be noted that the driving handle is used to facilitate the manual driving of the first screw module 3, the third screw module 23 and the fourth screw module 28.

[0038] Preferably, further, the driving support roller 9 and the auxiliary support roller 20 are covered with rubber sleeves.

[0039] It should be noted that the rubber sleeve is used to provide anti-slip treatment for the support of the parts.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety clamping mechanism for a concentricity measuring instrument, comprising a base; the base is used to support the mechanism components, characterized in that ,The base is provided with a clamping adjustment component, a part measurement support component and a pressure wheel adjustment component; The clamping and adjusting assembly includes: a first adjusting slot, a first lead screw module, a first connecting frame, a first sliding block, a first slideway, a movable part frame and a fixed part frame; The first adjustment groove is opened on the base, the first screw module is installed in the first adjustment groove, the first slideway is opened on the base, the first sliding block is installed at the bottom of the movable parts rack, the movable parts rack is installed on the first slideway through the first sliding block, the bottom of the movable parts rack is connected to the slider in the first screw module through the first connecting frame, and the fixed parts rack is installed on the base.

2. A concentricity measuring instrument safety clamping mechanism according to claim 1, characterized in that: The part measurement support assembly includes: a driving support roller, a driving slot, a driving motor, a driving gear, a transmission gear, a transmission shaft, a telescopic slot, a second adjustment slot, a second lead screw module, a telescopic rod, a limit block and an auxiliary support roller; The driving groove is opened in the fixed parts frame, the driving motor is installed in the driving groove, the driving gear is sleeved on the output end of the driving motor, the transmission shaft is connected to the driving support roller, the driving support roller is installed on the upper cover of the fixed parts frame through the transmission shaft and extends into the second adjusting groove, the transmission gear is sleeved on the transmission shaft and meshes with the driving gear, the telescopic groove is opened on the driving support roller, the limit block is connected to the telescopic rod, the telescopic rod is installed in the telescopic groove through the limit block, the auxiliary support roller is connected to the outer end of the telescopic rod, the second adjusting groove is opened below the telescopic groove and is connected to the telescopic groove, the second screw module is installed in the second adjusting groove, and the limit block is connected to the slider in the second screw module.

3. The safety clamping mechanism of a concentricity measuring instrument according to claim 1, characterized in that: The pressure wheel adjustment assembly includes: an adjustment frame, a third adjustment slot, a third lead screw module, a lifting frame, a second sliding block, a second slideway, a fourth adjustment slot, a fourth lead screw module, a fixed wheel frame, a movable wheel frame and a pressure wheel; The adjusting frame is installed on the moving parts frame, the third adjusting groove is opened in the adjusting frame, the third lead screw module is installed in the third adjusting groove, the second sliding block is installed on the lifting frame, the second slideway is opened on the adjusting frame, the lifting frame is installed on the second slideway through the second sliding block, the lifting frame is connected to the slider of the third lead screw module, the fourth adjusting groove is opened in the lifting frame, the fourth lead screw module is installed in the fourth adjusting groove, the fixed wheel frame is installed on the lifting frame, the moving parts frame is connected to the slider in the fourth lead screw module, and the fixed wheel frame and the moving wheel frame are installed.

4. A concentricity measuring instrument safety clamping mechanism according to claim 1, characterized in that: A magnetic measuring mechanism is arranged on the base.

5. The safety clamping mechanism of a concentricity measuring instrument according to claim 1, characterized in that: The first screw module, the third screw module and the fourth screw module are connected with a driving handle.

6. A concentricity measuring instrument safety clamping mechanism according to claim 2, characterized in that: The driving support roller and the auxiliary support roller are sleeved with rubber sleeves.

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