CN211425829U - Pulley damage test device - Google Patents

Abstract

The utility model relates to a mechanical test device field, concretely relates to pulley failure test device. The utility model provides a pulley failure test device, includes gas-liquid pressure cylinder, weighing sensor, destroys hammer, grip block, digital display manometer and piston rod, piston rod fixed connection the weighing sensor upper surface, the gas-liquid pressure cylinder drive the piston rod drives weighing sensor up-and-down motion, the weighing sensor lower surface is provided with destroy the hammer, the grip block is used for the centre gripping to fix and treats destruction pulley, it is right to destroy the hammer treat that destruction pulley carries out destruction test, weighing sensor measures destroy the hammer right treat that destruction pulley exerts the force, digital display manometer and weighing sensor sends record and measuring data to computer processing in real time. The utility model discloses mechanical data when can the precision measurement pulley destroyed then send to the computer automatic processing to judge whether this batch of pulley quality is qualified.

Description

Pulley damage test device

Technical Field

The utility model relates to a mechanical test device field, concretely relates to pulley failure test device.

Background

Pulleys are commonly used in hoisting machinery, and as an important part of the hoisting machinery, there are strict requirements on the hardness of the pulleys, and once the pulleys are damaged, safety hazards are caused, such as pulleys in elevators, and the service life of the pulleys is strictly required. Therefore, a series of index tests are performed on the pulleys before the pulleys are marketed, wherein the damage test of the pulleys is an important process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a simple and easy and measured data accurate pulley failure test device.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a pulley destruction test device, includes gas-liquid pressure cylinder, weighing sensor, destroys hammer, grip block, digital display manometer and piston rod, piston rod fixed connection the weighing sensor upper surface, the gas-liquid pressure cylinder drive the piston rod drives weighing sensor up-and-down motion, the weighing sensor lower surface is provided with destroy the hammer, the grip block is used for the centre gripping to fix and treats destruction pulley, it is right to destroy the hammer treat that destruction pulley carries out destruction test, weighing sensor measures destroy the hammer right treat that the digital display destroys the pulley applied force, the manometer is used for precision control and demonstration gas-liquid pressure cylinder downstream is right the pressure that the pulley was applyed, digital display manometer and weighing sensor sends record and measured data real-time computer to handle.

The device further comprises a connecting sheet, a bearing and a slide bar, wherein one end of the connecting sheet is fixed between the piston rod and the weighing sensor, one end of the connecting sheet is fixedly connected with the slide bar, the slide bar is connected with the bearing through a shaft, the gas-liquid pressure cylinder drives the piston rod to drive the slide bar to slide up and down through the connecting sheet, and the slide bar limits the weighing sensor to avoid deviation.

Further, still include first connecting plate, second connecting plate, C type curb plate and base plate, C type curb plate passes through C type curb plate about screw fixed connection forms about first connecting plate with the second connecting plate, first connecting plate upper surface is fixed with the gas-liquid pressure cylinder, the piston rod link up first connecting plate, about C type mouth of C type curb plate the level screw fixation have the base plate, base plate upper surface screw fixation have the grip block, C type curb plate surface fixation has the digital display manometer.

Furthermore, the lower ends of the periphery of the left C-shaped side plate and the right C-shaped side plate are fixedly connected with a workbench screw through L-shaped fixing pieces.

Furthermore, the pulley block further comprises a C-shaped base plate and a C-shaped baffle, wherein a fixing groove corresponding to the C-shaped baffle is formed in the C-shaped base plate, the C-shaped baffle can be vertically fixed into the fixing groove of the C-shaped baffle, and the C-shaped base plate is placed on the base plate to prevent fragments generated when the pulley block is damaged from splashing outwards.

Preferably, the C-shaped baffle is a transparent baffle.

The utility model has the advantages that:

1. through the digital display pressure gauge, the mechanical data of the damaged pulley can be precisely measured and then transmitted to the computer for automatic processing, so that whether the quality of the pulley is qualified or not is judged.

2. Through transparent C type baffle, can try on and observe whether the pulley is destroyed, avoid the pulley to be splashed by broken piece to produce the potential safety hazard to the staff simultaneously.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a view showing a structure of FIG. 1 with a portion omitted;

FIG. 4 is a perspective view of the embodiment of the present invention;

labeled as:

1. the device comprises a gas-liquid pressure cylinder, 2, a weighing sensor, 3, a breaking hammer, 4, a clamping block, 5, a digital display pressure gauge, 6, a piston rod, 7, a connecting sheet, 8, a bearing, 9, a sliding rod, 10, a pulley, 11, a C-shaped base plate, 12, a C-shaped baffle plate, 101, a first connecting plate, 102, a second connecting plate, 103, a C-shaped side plate, 104, a base plate, 105 and an L-shaped fixing plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model provides a pulley destruction test device, as shown in fig. 1 and fig. 3, including gas-liquid pressure cylinder 1, weighing sensor 2, destroy hammer 3, grip block 4, digital display manometer 5, piston rod 6 fixed connection weighing sensor 2 upper surface, weighing sensor 2 lower surface is provided with destroys hammer 3, thereby gas-liquid pressure cylinder 1 drive piston rod 6 drives weighing sensor 2 up-and-down motion, grip block 4 is used for the centre gripping fixed pulley of waiting to destroy, the destruction hammer 3 of weighing sensor 2 lower surface is used for carrying out destruction test to the pulley, weighing sensor 2 measures destroy hammer 3 is right wait to destroy the pulley applied force, digital display manometer 5 is used for the pressure that the pulley was applyed to the downward motion of gas-liquid pressure cylinder 1, then carry out data processing with test data transfer computer.

As shown in figure 3, a connecting sheet 7 is directly connected between a piston rod 6 and a weighing sensor 2, the other end of the connecting sheet 7 is connected with a slide rod 9, the slide rod 9 is connected with a bearing 8 through a shaft, the gas-liquid pressure cylinder 1 drives the piston rod 6 to move up and down, the piston rod 6 drives the slide rod to move up and down through the bearing 8 through the connecting sheet, and the slide rod 9 and the bearing 8 limit the weighing sensor 2 to avoid the deviation of the weighing sensor 2.

As shown in fig. 1, fig. 2 and fig. 3, the pneumatic-hydraulic pressure-boosting device further comprises a first connecting plate 101, a second connecting plate 102, C-shaped side plates 103 and a base plate 104, wherein the left and right C-shaped side plates are symmetrically and fixedly connected through the first connecting plate 101, the lower side of the left and right C-shaped side plates is symmetrically and fixedly connected through the second connecting plate 102, a pneumatic-hydraulic pressure cylinder 1 is fixedly arranged on the upper surface of the first connecting plate 101, a piston rod 6 penetrates through the first connecting plate 101 to be connected with a connecting piece 7 and a weighing sensor 2, the base plate 104 is fixedly arranged on a C-shaped opening of the C-shaped side plate 103, a clamping block 4 is fixedly arranged. Meanwhile, the whole device is fixedly connected with the working table top by the periphery of the C-shaped side plate 103 through an L-shaped fixing sheet 105.

As shown in fig. 4, a C-shaped substrate 11 and a C-shaped baffle 12 are disposed on a base plate 104, a fixing groove corresponding to the C-shaped baffle 12 is formed in the upper surface of the C-shaped substrate, the C-shaped baffle 12 is vertically fixed on the C-shaped substrate 11, and a transparent baffle is selected as the C-shaped baffle, so that fragments generated during sliding damage are mainly prevented from splashing outwards, and potential safety hazards are generated to workers.

The working process is as follows: the pulley to be tested is fixed on the clamping block 4, and then the C-shaped base plate 11 and the C-shaped baffle plate 12 are placed on the base plate 104. The system is started, different pressure data of the digital display pressure gauge 5 are given through the computer, the digital display pressure gauge 5 converts the pressure data into power required by the gas-liquid pressure cylinder 1, a piston rod 6 of the gas-liquid pressure cylinder 1 is driven to move downwards, a damage hammer 3 on the lower surface of the weighing sensor 2 is driven to damage a pulley fixed on the clamping block 4, and then reciprocating testing is carried out until the pulley is damaged. And the computer records all the mechanical data of the digital display pressure gauge 5 and the weighing sensor 2 and processes the data so as to judge whether the pulley is qualified.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a pulley failure test device which characterized in that: the device comprises a gas-liquid pressure cylinder (1), a weighing sensor (2), a destruction hammer (3), a clamping block (4), a digital display pressure gauge (5) and a piston rod (6), wherein the piston rod (6) is fixedly connected with the upper surface of the weighing sensor (2), the gas-liquid pressure cylinder (1) drives the piston rod (6) to drive the weighing sensor (2) to move up and down, the destruction hammer (3) is arranged on the lower surface of the weighing sensor (2), the clamping block (4) is used for clamping and fixing a pulley to be destroyed, the destruction hammer (3) carries out destruction test on the pulley to be destroyed, the weighing sensor (2) measures the force applied by the destruction hammer (3) on the pulley to be destroyed, the digital display pressure gauge (5) is used for precisely controlling and displaying the pressure applied by the gas-liquid pressure cylinder (1) to the pulley in a downward movement manner, the digital display pressure gauge (5) and the weighing sensor (2) transmit recorded and measured data to a computer for processing in real time.

2. A sheave failure test apparatus as defined in claim 1, wherein: still include connection piece (7), bearing (8) and slide bar (9), connection piece (7) one end is fixed piston rod (6) with between weighing sensor (2), one end with slide bar (9) fixed connection, slide bar (9) coupling bearing (8), gas-liquid pressure cylinder (1) drive piston rod (6) pass through connection piece (7) drive slide bar (9) slide from top to bottom, slide bar (9) are injectd weighing sensor (2) are avoided the skew off normal.

3. A sheave failure test apparatus as defined in claim 2, wherein: still include first connecting plate (101), second connecting plate (102), C type curb plate (103) and base plate (104), C type curb plate (103) pass through first connecting plate (101) with screw symmetry fixed connection forms about second connecting plate (102) about C type curb plate, first connecting plate (101) upper surface is fixed with gas-liquid pressure cylinder (1), piston rod (6) link up first connecting plate (101), about C type mouth of C type curb plate (103) on the horizontal screw fixation have base plate (104), base plate (104) upper surface is fixed with grip block (4), C type curb plate surface fixation has digital display manometer (5).

4. A sheave failure test apparatus as defined in claim 3, wherein: the lower ends of the periphery of the left C-shaped side plate and the right C-shaped side plate are fixedly connected with a workbench screw through L-shaped fixing pieces (105).

5. A pulley failure testing apparatus according to any of claims 1 to 4, wherein: the pulley is characterized by further comprising a C-shaped substrate (11) and a C-shaped baffle (12), wherein a fixing groove corresponding to the C-shaped baffle (12) is formed in the C-shaped substrate, the C-shaped baffle (12) can be vertically fixed into the fixing groove of the C-shaped baffle (12), the C-shaped substrate (11) is placed on the base plate (104), and fragments generated when the pulley is damaged are prevented from splashing outwards.

6. The pulley failure test apparatus of claim 5, wherein: the C-shaped baffle (12) is a transparent baffle.

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