Elastic tension spring calibrating device of rebound apparatus

Abstract

The utility model discloses a bouncing tension spring calibrating device of a resiliometer, relates to the technical field of detection devices, and aims to solve the technical problems that a current detection device is large in size, poor in convenience and inconvenient to operate and affects rebound resilience detection, and the bouncing tension spring calibrating device comprises a detection cylinder, a linkage assembly and a bouncing tension spring, an upper cylinder is arranged at the upper end of the bottom cylinder, an observation window is arranged at an opening in the outer side of the detection cylinder, a top plug is installed at the opening in the upper end of the detection cylinder in an inserted mode, the linkage assembly is installed in the detection cylinder and the bottom cylinder in a sliding mode, a battery box is installed at the lower end of the detection cylinder and the lower end of the bottom cylinder, and a pressing air valve is installed at the opening in the upper end of the upper cylinder. The device has the advantages of being small in size, convenient to carry and convenient to detect the rebound resilience of the elastic tension spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, more specifically, relate to a rebound hammer's spring of hitting and testing device. BACKGROUND

[0002] The rebound hammer is a kind of non-destructive testing instrument for detecting the hardness of concrete, brick, mortar and other building materials, and then inferring its compressive strength, and is widely used in the field of construction engineering.

[0003] The rebound hammer is built-in spring of hitting, and quality detection needs to be carried out after spring of hitting production, to ensure its normal work.The loading mechanism of existing device is generally electric or screw driven, and electric mechanism is large in size, causes the overall increase of device, is not convenient to carry personally, and is inconvenient to use when sampling detection;The spring of hitting reset is not convenient by screw driving mode, and rebound detection data are influenced.In view of this, we propose a rebound hammer's spring of hitting testing device. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient of prior art, adapting to reality needs, provide a rebound hammer's spring of hitting testing device, to solve the technical problem that current detection device is large in size, poor in convenience, and inconvenient to operate, and influences rebound detection.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a rebound hammer's spring of hitting testing device, including detection cylinder, linkage assembly and spring of hitting, the lower end one side of detection cylinder is embedded and is installed with bottom cylinder, the upper end of bottom cylinder is equipped with upper cylinder, the outside opening of detection cylinder is equipped with observation window, the upper end opening of detection cylinder is inserted and is installed with top plug, linkage assembly is slidably installed in detection cylinder and bottom cylinder, the lower end of detection cylinder and bottom cylinder is installed with battery box, and the upper end opening of upper cylinder is installed with pressurizing valve.

[0006] The utility model discloses a use, the upper end of elastic impact tension spring is inserted into the socket of the lower end of top plug, then the elastic impact tension spring is inserted from the upper end opening of detection cylinder, then rotates top plug and makes the bottom of elastic impact tension spring insert and position in the socket of upper seat, inserts finger cover through the side mouth, and the upper seat is lowered synchronously when drawing down finger cover, the elastic impact tension spring is extended, and the distance detection is carried out through the built -in infrared distance sensor of upper seat, when unfolding to the maximum distance, press the pressurizing valve of top and close the exhaust passage, when the upper cylinder top air pressure is constant, through the rubber sheet and movable rod cooperation limit finger cover, when carrying out the resilience detection, open the passage of pressurizing valve, when the resilience detection is completed, the reset of linkage assembly is driven through the resilience of elastic impact tension spring, the device structure is simple, and the body is small and exquisite, and the use of carrying with the body is convenient, and the convenience is high, and the linkage assembly needs to be kept in the central position before the assembly of elastic impact tension spring, and the bottom assembly of elastic impact tension spring is convenient, and then the passage of pressurizing valve is closed, and the air pressure of upper cylinder top is constant, through the negative pressure mode, the height of linkage assembly is kept with movable rod and rubber sheet, and the subsequent assembly and detection are convenient, and the operability is strong.

[0007] Preferably, the bottom cylinder is provided with a communication end between the bottom cylinder and the detection cylinder, and a side mouth is formed on the outer side of the bottom cylinder.

[0008] Preferably, the linkage assembly is composed of an adjusting column, a linkage block and a finger cover, the linkage block is located in the communication end, and the adjusting column and the finger cover are respectively slidably installed on the detection cylinder and the bottom cylinder.

[0009] Preferably, the upper end of the adjusting column is fixed with an upper seat, screw type sockets are formed on the upper seat and the top plug, and the upper end and the lower end of the elastic impact tension spring are respectively rotatably inserted into the corresponding sockets.

[0010] Preferably, a movable rod is slidably installed in the inside of the upper cylinder, the lower end of the movable rod is fixed on the finger cover, and the upper end of the movable rod is installed with a rubber sheet.

[0011] Preferably, the rubber sheet is in the form of a sleeve, and the rubber sheet is attached to the inner wall of the upper cylinder.

[0012] Preferably, an infrared distance sensor is embeddedly installed in the inside of the upper seat, the infrared distance sensor is distributed in a staggered manner with the elastic impact tension spring, and the infrared distance sensor, the battery box and the control panel on the front side of the bottom cylinder are connected through wires.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. This utility model designs a detection cylinder. When a finger is inserted through the side opening into a finger sleeve, pulling down the finger sleeve simultaneously lowers the upper seat. At this time, the spring extends, and the distance is detected by the infrared ranging sensor built into the upper seat. When it is extended to the maximum distance, pressing the top air valve closes the exhaust passage. At this time, the air pressure at the top of the upper cylinder is constant. The finger sleeve is limited by the cooperation of the rubber sheet and the movable rod. When the rebound test is performed, the passage of the pressing air valve is opened. At this time, the rebound of the spring causes the linkage component to reset, completing the rebound test. This device has a simple structure, small size, and is convenient to carry and use, with high convenience.

[0015] 2. This utility model also features an upper cylinder design. Before assembling the spring-loaded spring, the linkage component needs to be kept in the center position to facilitate the bottom assembly of the spring-loaded spring. The linkage component needs to be raised to the top position by pulling up the finger sleeve, and then the passage of the pressing air valve is closed to keep the air pressure at the top of the upper cylinder constant. The height of the linkage component is maintained by negative pressure, in conjunction with the movable rod and rubber sheet, which facilitates subsequent assembly and testing and makes it highly operable. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a side view of the structure of this utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 4 This is a schematic diagram of the connection structure of this utility model.

[0020] The following are the labels in the diagram: 1. Detection cylinder; 101. Observation window; 102. Top plug; 103. Insertion port; 2. Battery box; 3. Bottom cylinder; 301. Side opening; 302. Connecting end; 4. Upper cylinder; 401. Pressing air valve; 402. Movable rod; 403. Rubber sheet; 5. Linkage assembly; 501. Upper seat; 502. Adjusting column; 503. Linkage block; 504. Finger sleeve; 6. Spring tension spring. Detailed Implementation

[0021] like Figures 1 to 3As shown, this utility model relates to a spring testing device for a rebound tester, comprising a testing cylinder 1, a linkage assembly 5, and a spring 6. A bottom cylinder 3 is embedded in one side of the lower end of the testing cylinder 1, and an upper cylinder 4 is provided at the upper end of the bottom cylinder 3. An observation window 101 is provided at the outer opening of the testing cylinder 1, and a top plug 102 is inserted into the upper opening of the testing cylinder 1. The linkage assembly 5 is slidably installed in the testing cylinder 1 and the bottom cylinder 3. A connecting end 302 is provided between the bottom cylinder 3 and the testing cylinder 1. A side opening 301 is provided on the outer side of the bottom cylinder 3. The linkage assembly 5 consists of an adjusting column 502, a linkage block 503, and a finger sleeve 504. The linkage block 503 is located in the connecting end 302. The adjusting column 502 and the finger sleeve 504 are slidably installed in the testing cylinder 1 and the bottom cylinder 3, respectively. An upper seat 501 is fixed at the upper end of the adjusting column 502. Both the top plug 102 and the top plug 102 are provided with spiral insertion ports 103. The upper and lower ends of the spring 6 are respectively rotated and inserted into the corresponding insertion ports 103. When a finger is inserted through the side opening 301 into the finger sleeve 504, pulling down the finger sleeve 504 simultaneously drives the upper seat 501 to descend. At this time, the spring 6 extends, and the distance is detected by the infrared distance sensor built into the upper seat 501. When it is extended to the maximum distance, the press valve 401 on the top is pressed to close the exhaust passage. At this time, the air pressure at the top of the upper cylinder 4 is constant. The finger sleeve 504 is limited by the cooperation of the rubber sheet 403 and the movable rod 402. When the rebound test is performed, the passage of the press valve 401 is opened. At this time, the rebound of the spring 6 drives the linkage component 5 to reset, completing the rebound test. This device has a simple structure, small size, and is convenient to carry and use.

[0022] like Figures 2 to 4 As shown, this utility model relates to a spring-loaded spring testing device for a rebound tester, comprising a testing cylinder 1, a linkage assembly 5, and a spring-loaded spring 6. A battery box 2 is installed at the lower end of the testing cylinder 1 and the bottom cylinder 3. A pressing air valve 401 is installed at the upper opening of the upper cylinder 4. A movable rod 402 is slidably installed inside the upper cylinder 4. The lower end of the movable rod 402 is fixed to a finger sleeve 504. A rubber sheet 403 is installed at the upper end of the movable rod 402. The rubber sheet 403 is sleeve-shaped and fits against the inner wall of the upper cylinder 4. An infrared ranging sensor is embedded inside the upper seat 501. The external ranging sensor and the spring 6 are staggered. The infrared ranging sensor is connected to the battery box 2 and the control panel on the front side of the bottom cylinder 3 via wires. Before assembling the spring 6, the linkage component 5 needs to be kept in the center position to facilitate the bottom assembly of the spring 6. The linkage component 5 needs to be raised to the top position by pulling up the finger sleeve 504. Then, the passage of the pressing air valve 401 is closed to keep the air pressure at the top of the upper cylinder 4 constant. The height of the linkage component 5 is maintained by negative pressure in conjunction with the movable rod 402 and the rubber sheet 403, which facilitates subsequent assembly and testing and makes it highly operable.

[0023] Working principle: This embodiment provides a spring-loaded spring testing device for a rebound spring. In use, the upper end of the spring-loaded spring 6 is rotated and inserted into the insertion port 103 at the lower end of the top plug 102. Then, the spring-loaded spring 6 is inserted through the upper opening of the testing cylinder 1. The top plug 102 is then rotated so that the bottom of the spring-loaded spring 6 is inserted and positioned within the insertion port 103 of the upper seat 501. A finger is inserted through the side opening 301 into the finger sleeve 504. Pulling down the finger sleeve 504 simultaneously lowers the upper seat 501, causing the spring-loaded spring 6 to extend. Distance is detected by the infrared ranging sensor built into the upper seat 501. When the spring-loaded spring reaches its maximum extension, the pressure valve 401 on the top is pressed to close the exhaust. With the passage open, the air pressure at the top of the upper cylinder 4 is constant. The rubber sheet 403 and the movable rod 402 work together to limit the finger sleeve 504. When performing a rebound test, the passage of the pressing air valve 401 is opened. At this time, the rebound of the spring 6 drives the linkage component 5 to reset. Before assembling the spring 6, the linkage component 5 needs to be kept in the center position to facilitate the bottom assembly of the spring 6. The finger sleeve 504 needs to be pulled up to drive the linkage component 5 to the top position. Then the passage of the pressing air valve 401 is closed to keep the air pressure at the top of the upper cylinder 4 constant. The height of the linkage component 5 is maintained by negative pressure, in conjunction with the movable rod 402 and the rubber sheet 403.

[0024] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A device for testing the impact of a rebound hammer's spring, comprising a testing cylinder (1), a linkage assembly (5) and a spring (6) of the rebound hammer, characterized in that: The lower end of the detection cylinder (1) is embedded with a bottom cylinder (3), the upper end of the bottom cylinder (3) is provided with an upper cylinder (4), the outer side opening of the detection cylinder (1) is provided with an observation window (101), the upper end opening of the detection cylinder (1) is inserted with a top plug (102), the linkage assembly (5) is slidingly installed in the detection cylinder (1) and the bottom cylinder (3), the lower end of the detection cylinder (1) and the bottom cylinder (3) is installed with a battery box (2), the upper end opening of the upper cylinder (4) is installed with a press air valve (401).

2. A device for testing the impact of a spring of a rebound tester according to claim 1, characterized in that: The bottom cylinder (3) and the detection cylinder (1) are provided with a communication end (302), and the outer side of the bottom cylinder (3) is provided with a side opening (301).

3. A device for testing the impact of a spring of a rebound tester according to claim 2, characterized in that: The linkage assembly (5) is composed of an adjusting column (502), a linkage block (503) and a finger sleeve (504), the linkage block (503) is located in the communication end (302), and the adjusting column (502) and the finger sleeve (504) are slidingly installed in the detection cylinder (1) and the bottom cylinder (3) respectively.

4. A device for testing the impact of a spring of a rebound tester according to claim 3, characterized in that: The upper end of the adjusting column (502) is fixed with an upper seat (501), the upper seat (501) and the top plug (102) are both provided with a spiral-shaped socket (103), and the upper and lower ends of the elastic striking tension spring (6) are rotatably inserted in the corresponding sockets (103).

5. A device for testing the impact of a spring of a rebound tester according to claim 4, characterized in that: The inside of the upper cylinder (4) is slidingly installed with a movable rod (402), the lower end of the movable rod (402) is fixed on the finger sleeve (504), and the upper end of the movable rod (402) is installed with a rubber sheet (403).

6. A device for testing the impact of a spring of a resiliometer according to claim 5, characterized in that: The rubber sheet (403) is sleeve-shaped, and the rubber sheet (403) is attached to the inner wall of the upper cylinder (4).

7. A device for testing the impact of a spring of a resiliometer according to claim 6, characterized in that: The inside of the upper seat (501) is embedded with an infrared distance measuring sensor, and the infrared distance measuring sensor is distributed in a staggered manner with the elastic striking tension spring (6), and the infrared distance measuring sensor is connected with the control panel on the front side of the battery box (2) and the bottom cylinder (3) through wires.

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