CN219292094U

CN219292094U - Bolt axial force detector

Info

Publication number: CN219292094U
Application number: CN202320890237.6U
Authority: CN
Inventors: 陈濠达
Original assignee: Guangdong Jianxie Engineering Testing Technology Co ltd
Current assignee: Guangdong Jianxie Engineering Testing Technology Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-07-04
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a bolt axial force detector, which belongs to the technical field of bolt detection and comprises a base, wherein a motor is fixedly arranged in the middle of the lower surface of the base, the output end of the motor is fixedly connected with a shaft lever, and the middle of the shaft lever is connected with an axial force sensor. The utility model has the advantages that if the bolt to be tested is not damaged in the specified axial force value, the controller can control the clamping blocks to release the fixation of the bolt, and the electromagnet in the fixing sleeve can generate magnetic force to the bolt sleeve, so that the qualified bolt to be tested can be magnetically attracted and transported to the upper part of the qualified box along with the shrinkage of the hydraulic rod and the driving of the moving end of the first screw sliding table, and the electromagnet is controlled by the controller to be powered off, so that the bolt falls into the qualified box for storage, otherwise, the unqualified product is transported into the unqualified box for storage, the manual bolt fixing operation is not needed in the process, and the detected bolt can be classified and discharged, so that the processing efficiency is effectively improved.

Description

Bolt axial force detector

Technical Field

The utility model relates to the technical field of bolt detection, in particular to a bolt axial force detector.

Background

And (3) a bolt: the mechanical parts, the cylindrical threaded fastener matched with the nut, the fastener which consists of a head part and a screw (cylinder with external threads) needs to be matched with the nut for fastening and connecting two parts with through holes, and the connection mode is called bolting. If the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection.

Application number: 202021662314.5; the utility model discloses a full-automatic high strength bolt detector, including base, controller and motor, the controller is installed to one side upper end of base, and the internally mounted of base has the motor, and the motor is connected the reduction gear, and bevel gear one is connected to the other end of reduction gear, and bevel gear one meshes bevel gear two, and the axle center department fixed connection drive shaft of bevel gear two, the drive shaft runs through the base, and the drive shaft passes through the bearing and rotates the connection base, and the drive shaft is located the inside department of base and installs axial force sensor, the top fixed connection support sleeve of drive shaft, the opposite side symmetry of base upper end installs the support column, and the top fixedly connected with diaphragm of support column, after the bolt bending gets into in the thread bush, the bolt is locked, and the support sleeve continues to rotate, detects the torsion of drive shaft through axial force sensor until Mei Huabei twists off, the display on the controller, shows the axial force of bolt, this bolt detector simple structure, convenient operation, detection efficiency is high.

The bolt detector of the comparison document is low in automation degree, the bolts are required to be clamped and installed manually through the clamping plates, and qualified and unqualified products cannot be classified and discharged after detection is finished, so that the detection efficiency of the device is greatly reduced, and the bolt axial force detector is proposed according to the conditions.

Disclosure of Invention

The present utility model is directed to a bolt axial force detector, which solves the above-mentioned problems of the prior art.

The technical scheme of the utility model is as follows:

the automatic feeding device comprises a base, the fixed motor that is provided with in base lower surface middle part, the output fixedly connected with axostylus axostyle of motor, axostylus axostyle middle part is connected with axial force transducer, axostylus axostyle upper end fixedly connected with layer board, the inside two-way lead screw slip table that is provided with of layer board, two removal ends of two-way lead screw slip table are fixedly provided with the clamp splice, the bolt that awaits measuring has been placed on the layer board surface, the screw outer wall threaded connection that awaits measuring has the nut, the base surface is provided with the mount, the mount top is provided with first lead screw slip table, the removal end fixedly connected with hydraulic stem of first lead screw slip table, the flexible end fixedly connected with fixed sleeve of hydraulic stem, the inside electro-magnet that is provided with of fixed sleeve lower surface fixedly connected with bolt sleeve, unqualified case and qualified case have been placed respectively to base surface both sides, the inside controller that is provided with of base, controller and axial force transducer electric connection, controller and motor, lead screw, first lead screw slip table, hydraulic stem and electro-magnet electric connection.

Furthermore, the outer wall of the clamping block is provided with a notch with the same shape as the bolt head to be tested.

Furthermore, a cushion block is arranged between the nut and the bolt to be tested.

Further, the outer wall of the bolt sleeve is provided with a mounting block, and a fixing bolt penetrates through the mounting block.

Further, the vertical center line of the bolt sleeve coincides with the vertical center line of the bolt to be tested.

The utility model provides a bolt axial force detector through improvement, and compared with the prior art, the utility model has the following improvement and advantages:

the method comprises the following steps: according to the utility model, if the bolt to be tested is not damaged in a specified axial force value, the controller can control the clamping blocks to release the fixation of the bolt, and as the electromagnet in the fixing sleeve enables the bolt sleeve to generate magnetic force, the qualified bolt to be tested can be magnetically attracted and transported to the upper part of the qualified box along with the contraction of the hydraulic rod and the driving of the moving end of the first screw sliding table, and the electromagnet is controlled by the controller to be powered off, so that the bolt falls into the qualified box for storage, otherwise, unqualified products are transported into the unqualified box for storage, and the process does not need manual fixing operation of the bolt, so that the detected bolt can be classified and discharged, and the processing efficiency is effectively improved.

And two,: according to the utility model, the cushion block is arranged between the nut and the bolt to be detected, so that the butt joint effect of the nut and the bolt sleeve can be improved, the normal operation of subsequent axial force detection is ensured, the outer wall of the bolt sleeve is provided with the mounting block, and the fixing bolt penetrates through the mounting block, so that the bolt sleeve is convenient to replace subsequently, and the detection work of bolts of different types is convenient.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic view of the bolt sleeve construction of the present utility model;

fig. 3 is a schematic top view of the pallet of the present utility model.

Reference numerals illustrate: 1. a base; 2. a motor; 3. a shaft lever; 4. a shaft force sensor; 5. a supporting plate; 6. a bidirectional screw sliding table; 7. clamping blocks; 8. a bolt to be tested; 9. a nut; 10. a cushion block; 11. the first screw sliding table; 12. a hydraulic rod; 13. a fixed sleeve; 14. a bolt sleeve; 15. a reject bin; 16. a qualified box; 17. and a fixing frame.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in detail with reference to fig. 1 to 3, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a bolt axial force detector through improvement, as shown in figures 1-3, the detector comprises a base 1, a motor 2 is fixedly arranged in the middle of the lower surface of the base 1, an output end of the motor 2 is fixedly connected with a shaft lever 3, the middle of the shaft lever 3 is connected with a shaft force sensor 4, the upper end of the shaft lever 3 is fixedly connected with a supporting plate 5, a bidirectional screw sliding table 6 is arranged in the supporting plate 5, two movable ends of the bidirectional screw sliding table 6 are fixedly provided with clamping blocks 7, a bolt 8 to be detected is placed on the surface of the supporting plate 5, a nut 9 is connected with the outer wall of the bolt 8 to be detected in a threaded manner, a fixing frame 17 is arranged on the surface of the base 1, a first screw sliding table 11 is arranged at the top of the fixing frame 17, a hydraulic rod 12 is fixedly connected with a telescopic end of the hydraulic rod 12, a fixing sleeve 13 is internally provided with an electromagnet, and the lower surface of the fixing sleeve 13 is fixedly connected with a bolt sleeve 14, the two sides of the surface of the base 1 are respectively provided with a disqualified box 15 and a qualified box 16, a controller is arranged in the base 1 and is electrically connected with the shaft force sensor 4, the controller is electrically connected with the motor 2, the bidirectional screw sliding table 6, the first screw sliding table 11, the hydraulic rod 12 and the electromagnet, in the process of detecting the shaft force, the bolt 8 to be detected can be placed on the surface of the supporting plate 5, the clamping block 7 can clamp and fix the bolt 8 to be detected by the driving of two movable ends of the bidirectional screw sliding table 6, meanwhile, the hydraulic rod 12 above can push the bolt sleeve 14 at the lower end of the fixing sleeve 13 to be sleeved on the nut 9 of the bolt 8 to be detected, the shaft force of the bolt can be detected through the shaft force sensor 4 along with the driving of the motor 2, if the bolt 8 to be detected is not damaged in the specified shaft force value, the shaft force sensor 4 can send an electric signal to the controller, the controller can control the two moving ends of the bidirectional screw sliding table 6 to move outwards to reset, so that the fixation of the bolts is relieved, as the electromagnet in the fixed sleeve 13 enables the bolt sleeve 14 to generate magnetic force, the qualified bolts 8 to be tested can be magnetically attracted and transported to the upper part of the qualified box 16 along with the shrinkage of the hydraulic rod 12 and the driving of the moving end of the first screw sliding table 11, and the electromagnet is controlled by the controller to be powered off, so that the bolts fall into the qualified box 16 to be stored, otherwise, unqualified products are transported into the unqualified box 15 to be stored, the process does not need to manually carry out the fixation operation of the bolts, the detected bolts can be classified and discharged, the machining efficiency is effectively improved, and the controller type C8051F020 single-chip microcomputer and the type F10F of the shaft force sensor 4 are effectively improved.

The notch with the same shape as the head of the bolt 8 to be tested is formed in the outer wall of the clamping block 7, so that the clamping effect of the clamping block 7 on the bolt 8 to be tested can be improved.

And a cushion block 10 is arranged between the nut 9 and the bolt 8 to be detected, so that the butt joint effect of the nut 9 and the bolt sleeve 14 can be improved, and the normal operation of the subsequent axial force detection is ensured.

The outer wall of the bolt sleeve 14 is provided with a mounting block, and a fixing bolt penetrates through the mounting block, so that the bolt sleeve 14 can be replaced conveniently, and the detection work of bolts of different types can be conveniently performed.

The vertical center line of the bolt sleeve 14 coincides with the vertical center line of the bolt 8 to be tested, so that the butt joint precision of the bolt can be ensured.

Working principle: firstly, the bolt 8 to be tested can be placed on the surface of the supporting plate 5, the clamping block 7 can clamp and fix the bolt 8 to be tested by the driving of two moving ends of the bidirectional screw sliding table 6, meanwhile, the hydraulic rod 12 above can push the bolt sleeve 14 at the lower end of the fixing sleeve 13 to be sleeved on the nut 9 of the bolt 8 to be tested, the axial force of the bolt can be detected through the axial force sensor 4 along with the driving of the motor 2, if the bolt 8 to be tested is not damaged in a specified axial force value, the axial force sensor 4 sends an electric signal to the controller, the controller can control the two moving ends of the bidirectional screw sliding table 6 to move outwards for resetting, so that the fixation of the bolt is relieved, and the electromagnet in the fixing sleeve 13 can generate magnetic force for the bolt sleeve 14.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The bolt axial force detector, its characterized in that: including base (1), fixed motor (2) being provided with in the middle part of base (1) lower surface, the output fixedly connected with axostylus axostyle (3) of motor (2), axostylus axostyle (3) middle part is connected with axial force transducer (4), axostylus axostyle (3) upper end fixedly connected with layer board (5), layer board (5) inside is provided with two-way lead screw slip table (6), two removal end fixedly connected with clamp splice (7) of two-way lead screw slip table (6), bolt (8) have been placed on layer board (5) surface, bolt (8) have to be tested outer wall threaded connection has nut (9), base (1) surface is provided with mount (17), mount (17) top is provided with first lead screw slip table (11), the removal end fixedly connected with hydraulic stem (12) of first lead screw slip table (11), the flexible end fixedly connected with fixed sleeve (13) of hydraulic stem (12), the inside electro-magnet that is provided with of fixed sleeve (13), fixed sleeve (13) lower surface fixedly connected with bolt sleeve (14), base (1) outer wall threaded connection has nut (9), base (1) surface and two places respectively that control box (16) are qualified with the controller (4), the controller is electrically connected with the motor (2), the bidirectional screw sliding table (6), the first screw sliding table (11), the hydraulic rod (12) and the electromagnet.

2. The bolt shaft force detector according to claim 1, wherein: the outer wall of the clamping block (7) is provided with a notch with the same shape as the head of the bolt (8) to be tested.

3. The bolt shaft force detector according to claim 1, wherein: a cushion block (10) is arranged between the nut (9) and the bolt (8) to be tested.

4. The bolt shaft force detector according to claim 1, wherein: the outer wall of the bolt sleeve (14) is provided with a mounting block, and a fixing bolt penetrates through the mounting block.

5. The bolt shaft force detector according to claim 1, wherein: the vertical center line of the bolt sleeve (14) coincides with the vertical center line of the bolt (8) to be tested.