CN219455362U

CN219455362U - Safety belt pulling force detector

Info

Publication number: CN219455362U
Application number: CN202320543496.1U
Authority: CN
Inventors: 高兰军
Original assignee: Tianjin Xinke Technology Development Co ltd
Current assignee: Tianjin Xinke Technology Development Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-01
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to the technical field of safety belt production, and discloses a safety belt tension detector which comprises a workbench, wherein support plates are arranged on the left side and the right side of the bottom of the workbench, a U-shaped plate is arranged at the top of the workbench, a first threaded rod is arranged between the two support plates, a limit rod positioned below the first threaded rod is arranged between the two support plates, and moving blocks with one end movably connected with the outer side of the limit rod and the other end extending to the top of the workbench and movably connected with the inner top wall of the U-shaped plate are arranged at the left end and the right end of the outer side of the first threaded rod. This safety belt pulling force detector through fixing the safety belt in the inside of left and right sides draw-in groove, then adopts the mode that mechanical pulling carried out the detection operation, and can carry out real-time supervision to the pulling force that the safety belt bore in the testing process, avoided leading to the condition of misjudgement because of individual subjective factor, finally realized the purpose that detection method is standard accurate.

Description

Safety belt pulling force detector

Technical Field

The utility model relates to the technical field of safety belt production, in particular to a safety belt tension detector.

Background

In the process of high-altitude operation, the safety problem of operators is the most important core problem, wherein, whether a tool for protecting the safety of the operators at high altitude, namely a safety belt, is firm enough or not is critical, so after the production of the safety belt is finished, the safety belt is usually required to be subjected to impact test to detect the tension, namely bearing capacity, of the safety belt, but in the process of detecting the tension of the safety belt in the prior art, the safety belt is mainly pulled by operators to finish the process, no quantitative index is used as judgment, the operators are completely relied on to subjectively judge whether the impact test of the safety belt is qualified or not, and a large error is easily caused by personal subjective factors, so that the safety belt tension detector is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a safety belt tension detector which has the advantages of standard and accurate detection method and the like, and solves the problems that in the prior art, in the process of detecting the tension of the safety belt, the safety belt is mainly pulled by operators, no quantitative index is used for judging, the subjective judgment of whether the impact test of the safety belt is qualified or not by the operators is completely depended on, and the test result has larger error easily caused by personal subjective factors.

(II) technical scheme

In order to achieve the aim of standardization and accuracy of the detection method, the utility model provides the following technical scheme: the utility model provides a safety belt pulling force detector, includes the workstation, the bottom left and right sides of workstation all is provided with the backup pad, the top of workstation is provided with the U template, two be provided with first threaded rod between the backup pad, two be provided with the gag lever post that is located first threaded rod below between the backup pad, the left and right sides both ends in first threaded rod outside all are provided with one end and gag lever post outside swing joint and the other end extend to workstation top and with U template inner top wall swing joint's movable block, the left side of backup pad is provided with one end and extends to its right side and with first threaded rod outside fixed connection's actuating assembly, two the opposite sides of movable block all are provided with and are two and be the installation piece that is upper and lower symmetry distributes, the one end of installation piece all extends to the opposite sides of two movable blocks, the top two the opposite sides of installation piece all are provided with one end respectively with the connecting block of bottom opposite sides fixed connection, two the opposite sides of movable block are provided with the two opposite side and install the block, the two opposite side is provided with the installation piece, the installation piece is located two opposite side and two opposite side, the installation piece is provided with the mounting panel and two opposite side, the top of two the second fixed blocks is provided with a fixed component, one end of which extends to the bottom of the second fixed block and is movably connected with the opposite sides of the two mounting plates respectively.

Preferably, the drive assembly comprises a servo motor, the left side of the support plate is fixedly provided with the servo motor, an output shaft of the servo motor extends to the right side of the left side support plate and is fixedly provided with a drive gear positioned between a first threaded rod and a limiting rod, and the outer side of the first threaded rod is fixedly provided with a driven gear with one end meshed with the drive gear.

Preferably, the fixed subassembly includes the slider, two equal movable mounting of opposite side of mounting panel has the slider that is located between first fixed block and the second fixed block, two equal fixed mounting in the bottom left and right sides of slider has the fixture block, two equal threaded connection in top of second fixed block has one end to extend to its bottom and respectively with two slider top swing joint's second threaded rod, two equal fixed mounting in top of second threaded rod has the hand wheel.

Preferably, the opposite sides of the two support plates are fixedly provided with first bearings, and the first threaded rod is rotatably connected with the support plates through the first bearings.

Preferably, two sections of threads are arranged on the outer side of the first threaded rod, the lengths of the two sections of threads are equal and opposite, and the two moving blocks are provided with first threaded holes matched with the first threaded rod in the inner parts.

Preferably, the tops of the two sliding blocks are fixedly provided with second bearings, and the second threaded rod is rotationally connected with the sliding blocks through the second bearings.

(III) beneficial effects

Compared with the prior art, the utility model provides a safety belt tension detector, which comprises the following components

The beneficial effects are that:

this safety belt pulling force detector, place the top at two first fixed blocks through the safety belt that will carry out pulling force detection, then twist two hand wheels and drive two second threaded rods and rotate, and then drive two sliders and left and right sides fixture block downwardly moving, make the fixture block with the safety belt card go into the inside of draw-in groove, fix the left and right sides both ends of safety belt, then start servo motor and drive the drive gear rotation, and then drive first threaded rod rotation through driven gear, thereby drive two movable blocks and wholly move in opposite directions, draw the safety belt, draw the in-process that pulls, movable block and connecting block can extrude the pressure sensor between the two, thereby obtain the pulling force that the safety belt was born at the pulling in-process, detect the pulling force that the safety belt can bear with this, detect the operation through adopting the mode that mechanical pulling was drawn, and can carry out real-time monitoring to the pulling force that the safety belt born at the testing process, the condition that leads to the misjudgement because of individual subjective factor has been avoided, the purpose that the detection method specification is accurate has finally been realized.

Drawings

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

fig. 2 is an enlarged view of fig. 1 at a in accordance with the present utility model.

In the figure: 1 workstation, 2 backup pads, 3U template, 4 first threaded rods, 5 gag lever post, 6 movable blocks, 7 drive assembly, 71 servo motor, 72 driving gear, 73 driven gear, 8 installation blocks, 9 connecting blocks, 10 pressure sensor, 11 mounting panels, 12 first fixed blocks, 13 draw-in grooves, 14 second fixed blocks, 15 fixed assemblies, 151 sliding blocks, 152 fixture blocks, 153 second threaded rods, 154 hand wheels.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a safety belt pulling force detector, including workstation 1, the bottom left and right sides of workstation 1 is equal fixed mounting has backup pad 2, the top fixed mounting of workstation 1 has U template 3, movable mounting has first threaded rod 4 between two backup pads 2, the equal fixed mounting of opposite side of two backup pads 2 has first bearing, first threaded rod 4 rotates with backup pad 2 through first bearing and is connected, fixed mounting has gag lever post 5 that is located first threaded rod 4 below between two backup pads 2, the equal threaded connection in both ends has one end and gag lever post 5 outside swing joint and the other end extends to workstation 1 top and with U template 3 internal top wall swing joint's movable block 6, the outside of first threaded rod 4 is provided with two sections screw threads and two sections screw thread length equal opposite directions, the inside of two movable blocks 6 has all been seted up the first screw hole with first threaded rod 4 looks adaptation, the inside left and right sides of workstation 1 has all been seted up the rectangle strip hole with two movable block 6 moving track looks adaptation respectively.

The left side of left backup pad 2 fixedly mounted has one end to extend to its right side and with first threaded rod 4 outside fixed connection ' S drive assembly 7, drive assembly 7 includes servo motor 71, the left side of left side backup pad 2 fixedly mounted has servo motor 71, servo motor 71 ' S model is MR-J2S-10A, servo motor 71 ' S output shaft extends to the right side of left side backup pad 2 and fixedly mounted has the drive gear 72 that is located between first threaded rod 4 and gag lever post 5, the outside fixed mounting of first threaded rod 4 has one end and the driven gear 73 of drive gear 72 meshing.

The installation blocks 8 which are arranged above the workbench 1 and are distributed symmetrically up and down are movably arranged on the opposite sides of the two moving blocks 6, one ends of the installation blocks 8 on the left side and the right side are all extended to the opposite sides of the two moving blocks 6, connecting blocks 9 with one ends respectively fixedly connected with the opposite sides of the two installation blocks 8 on the bottom are fixedly arranged on the opposite sides of the two installation blocks 8 on the top, pressure sensors 10 which are arranged between the installation blocks 8 on the upper side and the lower side and are respectively attached to the opposite sides of the two connecting blocks 9 are fixedly arranged on the opposite sides of the two moving blocks 6, the model of the pressure sensors 10 is MPX599, and mounting plates 11 with one ends respectively fixedly connected with the opposite sides of the two installation blocks 8 on the bottom are fixedly arranged on the opposite sides of the two installation blocks 8 on the top.

The opposite sides of two mounting panels 11 all fixed mounting has first fixed block 12, draw-in groove 13 has all been seted up to the top left and right sides of two first fixed blocks 12, the equal fixed mounting in opposite sides of two mounting panels 11 has the second fixed block 14 that is located first fixed block 12 top, the equal threaded connection in top of two second fixed blocks 14 has one end to extend to its bottom and respectively with two mounting panel 11 opposite side swing joint's fixed subassembly 15, fixed subassembly 15 includes slider 151, the equal movable mounting in opposite sides of two mounting panels 11 has the slider 151 that is located between first fixed block 12 and the second fixed block 14, the equal fixed mounting in both sides of bottom of two slider 151 has fixture block 152, the equal threaded connection in top of two second fixed blocks 14 has one end to extend to its bottom and respectively with two slider 151 top swing joint's second screw hole, the equal fixed mounting in top of two slider 151 has the second threaded hole with two second threaded rod 153 looks adaptation respectively, the equal fixed mounting in top of two slider 153 has the second threaded rod 153, the equal movable mounting of two slider 153 has the second threaded rod 153 through the second threaded rod 153 rotates the second hand wheel with the equal fixed mounting of two threaded rod 153.

When the safety belt is used, the safety belt needing tension detection is placed at the tops of the two first fixed blocks 12, then the two hand wheels 154 are screwed to drive the two second threaded rods 153 to rotate, and then the two sliding blocks 151 and the left and right clamping blocks 152 are driven to move downwards, so that the clamping blocks 152 clamp the safety belt into the clamping grooves 13 to fix the left and right ends of the safety belt, then the servo motor 71 is started through the external controller to drive the driving gear 72 to rotate, and then the driven gear 73 drives the first threaded rods 4 to rotate, so that the two moving blocks 6 are driven to integrally move in a back-to-back mode to pull the safety belt, the pressure sensor 10 between the moving blocks 6 and the connecting blocks 9 are extruded in the pulling process, the tension born by the safety belt in the pulling process is obtained through the two pressure sensors 10 being connected with external computer equipment, the tension born by the safety belt is monitored in real time, and when the tension born by the safety belt reaches the expected upper limit, the servo motor 71 is reversely rotated, the two moving blocks 6 are driven to integrally move oppositely, the two moving blocks 6 are driven to move oppositely, and the two safety belts are respectively pulled, namely the two opposite side blocks are driven to be fixed, and the two side blocks are respectively, and the tension is detected, namely the two side blocks are reversely moved, and the tension is relieved, and the tension of the safety belt is completely.

To sum up, this safety belt tension detector, through placing the safety belt that will carry out the tension detection at the top of two first fixed blocks 12, then twist two hand wheels 154 and drive two second threaded rods 153 rotation, and then drive two sliders 151 and left and right sides fixture block 152 downwardly moving, make the fixture block 152 card into the inside of draw-in groove 13 with the safety belt, fix the left and right sides both ends of safety belt, then start servo motor 71 and drive the drive gear 72 rotation, and then drive first threaded rod 4 rotation through driven gear 73, thereby drive two movable blocks 6 whole and move mutually, pull the safety belt, draw the in-process at the pulling, movable block 6 and connecting block 9 can extrude the pressure sensor 10 between the two, thereby draw the pulling force that the in-process born to the safety belt, detect through adopting the mode that mechanical pulling was born, and detect the operation in-process can carry out real-time to the left and right sides both ends of safety belt, the final judgement condition that leads to leading to because of individual subjective judgement is rotatory, and the method has realized that the subjective judgement is accurate, the safety belt is carried out the subjective judgement, the problem that the safety belt is difficult to be judged in the subjective judgement is completely because of the subjective judgement, the safety belt has been carried out the method, the problem is easy to be judged the subjective and is easy to the safety belt is finished.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safety belt pulling force detector, includes workstation (1), its characterized in that: the utility model discloses a workbench, which is characterized in that a supporting plate (2) is arranged on the left side and the right side of the bottom of the workbench (1), a U-shaped plate (3) is arranged on the top of the workbench (1), a first threaded rod (4) is arranged between the two supporting plates (2), a limiting rod (5) positioned below the first threaded rod (4) is arranged between the two supporting plates (2), moving blocks (6) with one end movably connected with the outer side of the limiting rod (5) and the other end movably connected with the top wall of the workbench (1) and the inner top wall of the U-shaped plate (3) are arranged at the left side, a driving component (7) with one end extending to the right side and fixedly connected with the outer side of the first threaded rod (4) is arranged on the left side of the supporting plate (2), mounting blocks (8) which are positioned above the workbench (1) and are distributed in a number of up-down symmetry are arranged on the opposite sides of the two moving blocks (6), one ends of the mounting blocks (8) extend to the two moving blocks (6) at the left side and the right side, two opposite sides of the mounting blocks (8) are fixedly connected with the two opposite sides of the two moving blocks (8) respectively, the two opposite sides of movable block (6) all are provided with and lie in between upper and lower both sides installation piece (8) and one end respectively with pressure sensor (10) of laminating of two connecting block (9) opposite sides, top two the opposite sides of installation piece (8) all are provided with one end respectively with two installation piece (8) opposite sides fixed connection's of bottom mounting panel (11), two the opposite sides of mounting panel (11) all are provided with first fixed block (12), two the top left and right sides of first fixed block (12) all are provided with draw-in groove (13), two the opposite sides of mounting panel (11) all are provided with second fixed block (14) that lie in first fixed block (12) top, two the top of second fixed block (14) all is provided with one end and extends to its bottom and respectively with two opposite sides swing joint's of mounting panel (11) fixed subassembly (15).

2. The seat belt tension detector as claimed in claim 1, wherein: the driving assembly (7) comprises a servo motor (71), the left side of the supporting plate (2) is fixedly provided with the servo motor (71), an output shaft of the servo motor (71) extends to the right side of the left supporting plate (2) and is fixedly provided with a driving gear (72) located between a first threaded rod (4) and a limiting rod (5), and the outer side of the first threaded rod (4) is fixedly provided with a driven gear (73) with one end meshed with the driving gear (72).

3. The seat belt tension detector as claimed in claim 1, wherein: the fixed subassembly (15) is including slider (151), two equal movable mounting of opposite side of mounting panel (11) has slider (151) that are located between first fixed block (12) and second fixed block (14), two equal fixed mounting in both sides has fixture block (152) about the bottom of slider (151), two equal threaded connection in top of second fixed block (14) has one end to extend to its bottom and respectively with two slider (151) top swing joint's second threaded rod (153), two equal fixed mounting in top of second threaded rod (153) has hand wheel (154).

4. The seat belt tension detector as claimed in claim 1, wherein: the opposite sides of the two supporting plates (2) are fixedly provided with first bearings, and the first threaded rod (4) is rotationally connected with the supporting plates (2) through the first bearings.

5. The seat belt tension detector as claimed in claim 1, wherein: the outside of first threaded rod (4) is provided with two sections screw threads and two sections screw thread length equal opposite directions, two the inside of movable block (6) all has seted up the first screw hole with first threaded rod (4) looks adaptation.

6. A seat belt tension tester as claimed in claim 3 wherein: the tops of the two sliding blocks (151) are fixedly provided with second bearings, and the second threaded rod (153) is rotatably connected with the sliding blocks (151) through the second bearings.