CN212410332U

CN212410332U - Corrugated pipe flexibility detection equipment

Info

Publication number: CN212410332U
Application number: CN202021142542.XU
Authority: CN
Inventors: 应汉林; 李维来; 陆洪波; 童岭
Original assignee: Zheshang Testing Group Co ltd
Current assignee: Zheshang Testing Group Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-26
Anticipated expiration: 2030-06-19

Abstract

The utility model provides a bellows pliability check out test set, including detecting the base, the activity sets up at the positive arc template subassembly of detection base, and set up the circuit control board in detecting the base, the arc template subassembly includes left arc template group and right arc template group, form the detection space that is used for holding the bellows between left arc template group and the right arc template group, horizontal flute profile has all been seted up on left arc template and the right arc template, all be provided with the drive gear axle in the flute profile, the back that detects the base is equipped with the motor that a plurality of and circuit control board electricity are connected, the drive gear axle extends to the back that detects the base and is connected with motor drive. The utility model discloses a structure of three left arc templates and three right arc templates of independent setting can adjust the position of a plurality of left arc templates and right arc template respectively to let the bellows demonstrate the crooked gesture of multistage formula, thereby it is more reasonable to the detection of bellows pliability.

Description

Corrugated pipe flexibility detection equipment

Technical Field

The utility model belongs to the technical field of bellows flexibility detection and specifically relates to a bellows pliability automated inspection appearance that concrete bridge used.

Background

The corrugated pipe is a kind of pressure measuring elastic element in pressure measuring instrument. It is a cylindrical thin-walled corrugated shell with a plurality of transverse corrugations, and the corrugated tube has elasticity and can generate displacement under the action of pressure, axial force, transverse force or bending moment. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa. In addition, the bellows may also serve as a sealing and isolating element, separating the two media or preventing harmful fluids from entering the measurement portion of the device. It can also be used as a compensation element to compensate for temperature errors of the instrument by virtue of its volumetric variability. Sometimes also as a resilient coupling joint or the like of the two parts.

The plastic corrugated pipe for prestressed concrete bridge is made up by using high-density polyethylene resin (HDPE) or polypropylene (PP) as main raw material and adopting the processes of hot-melting and extrusion-forming. The corrugated pipe has smooth appearance and uniform color, and the inner and outer walls are not allowed to be scratched by the rupture, air bubbles, cracks, hard blocks and the influence on use. The quality indexes of the plastic corrugated pipe for the prestressed concrete bridge comprise ring stiffness, local transverse load, flexibility, impact resistance and the like, wherein the flexibility of the plastic corrugated pipe for the prestressed concrete bridge is an important index.

Bellows check out test set on the existing market's detection form is comparatively single, and all need adjust through manual mode. For example, chinese patent application nos.: 201811180834, X, discloses an automatic detector for flexibility of plastic corrugated pipes for prestressed concrete bridges, wherein during detection, the upper end of the corrugated pipe is fixed through an anchor ear, the lower end of the corrugated pipe is clamped by a left arc-shaped template and a right arc-shaped template, and then bending and testing of the corrugated pipe are realized by adjusting the position of the anchor ear. It has the following disadvantages: during the detection, the corrugated pipe can only bend towards one of the left side and the right side, the whole corrugated pipe presents a relatively stable one-way bent arc-shaped posture, the actual detection strength of the corrugated pipe is low, the actual use environment of the corrugated pipe is complex, multi-section bending of a single corrugated pipe can occur, the actual detection strength cannot meet the actual requirement, and the poor-quality corrugated pipe can also influence the engineering quality through the test.

Disclosure of Invention

In order to overcome the above-mentioned not enough of prior art, the utility model provides a bellows pliability check out test set.

The technical proposal of the utility model for solving the technical problem is that: a corrugated pipe flexibility detection device comprises a detection base, an arc template component movably arranged on the front surface of the detection base, and a circuit control panel arranged in the detection base, the arc-shaped template assembly comprises a left arc-shaped template group and a right arc-shaped template group, a detection space for accommodating the corrugated pipe is formed between the left arc-shaped template group and the right arc-shaped template group, the left arc-shaped template group comprises three left arc-shaped templates which are independently arranged from top to bottom in sequence, the right arc-shaped template group comprises three right arc-shaped templates which are independently arranged from top to bottom in sequence, the left arc-shaped template and the right arc-shaped template are both provided with transverse tooth-shaped grooves, the tooth-shaped grooves are both provided with a transmission gear shaft, the back of the detection base is provided with a plurality of motors electrically connected with the circuit control board, and the transmission gear shaft extends to the back of the detection base and is in transmission connection with the motors.

Preferably, the detection base is further provided with a clamping assembly for fixing the corrugated pipe.

Preferably, the clamping assembly is formed by splicing and combining a left clamping ring and a right clamping ring, an arc-shaped sliding groove is formed in the front face of the detection base, and the left clamping ring and the right clamping ring are respectively arranged in the arc-shaped sliding groove in a sliding mode and can move along the arc-shaped sliding groove.

Preferably, the front surface of the detection base is provided with a plurality of grooves, and each groove is internally provided with an infrared sensing probe electrically connected with the circuit control board.

Preferably, the plurality of infrared sensing probes are all arranged on the central axis of the detection base.

Preferably, the output shaft of the motor is in transmission connection with the transmission gear shaft through a synchronous belt.

Preferably, the bottom of the detection base is provided with a self-balancing support leg.

Preferably, the self-balancing support leg comprises a grounding part, an elastic support rod arranged at the upper end of the grounding part, and a spring sleeved on the elastic support rod, wherein a limit groove is formed in the bottom end face of the detection base, the elastic support rod extends into the limit groove and is fixedly connected with the top of the limit groove, the upper end of the spring is abutted against the top of the limit groove, and the lower end of the spring is abutted against the grounding part.

The beneficial effects of the utility model reside in that: 1. the corrugated pipe has the advantages that the structure of three left arc-shaped templates and three right arc-shaped templates which are independently arranged is adopted, the positions of the left arc-shaped templates and the right arc-shaped templates can be respectively adjusted, so that the corrugated pipe presents a multi-section bending posture, the flexibility of the corrugated pipe is more reasonably detected and is close to the actual use requirement, unqualified products are effectively screened out, and the sufficient reliability and safety in use are ensured; 2. through the cooperation between motor, drive gear axle and the flute profile groove, realized the electrical control of arc template subassembly, degree of automation is high, can effectively reduce personnel intensity of labour, and the mode accuracy of electrical control is higher.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of another angle of the present invention.

Fig. 3 is a schematic structural view of the self-balancing stand bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, a corrugated pipe flexibility detection device comprises a detection base 1, an arc template assembly movably arranged on the front surface of the detection base 1, and a circuit control panel arranged in the detection base 1, wherein the arc template assembly comprises a left arc template group and a right arc template group, a detection space 2 for accommodating a corrugated pipe is formed between the left arc template group and the right arc template group, the left arc template group comprises three left arc templates 3 which are sequentially and independently arranged from top to bottom, the right arc template group comprises three right arc templates 4 which are sequentially and independently arranged from top to bottom, the left arc template 3 and the right arc template 4 are both provided with transverse tooth-shaped grooves 5, the tooth-shaped grooves 5 are both provided with a transmission gear shaft 6, the back surface of the detection base 1 is provided with a plurality of motors 7 which are electrically connected with the circuit control panel, the transmission gear shaft 6 extends to the back of the detection base 1 and is in transmission connection with the motor 7.

In this embodiment, the detection base 1 is further provided with a clamping assembly for fixing the corrugated pipe. Through the setting of centre gripping subassembly, can fix the upper end of bellows and carry out the regulation in the position, realize the crooked regulatory function to the bellows upper end. Specifically, the centre gripping subassembly form by left clamp ring 8 and the concatenation combination of right clamp ring 9, arc spout 10 has been seted up in the front of detecting base 1, left clamp ring 8 and right clamp ring 9 slide respectively and establish arc spout 10 in and can along arc spout 10 remove. Preferably, the clamping assembly is arranged at the upper area of the detection base 1 and is arranged between the left arc-shaped template 3 and the right arc-shaped template 4. The clamping assembly adopts a left-right split type structure, is convenient to take and place the corrugated pipe, and can be adapted to corrugated pipes with different diameters and sizes.

One of the performance of the existing single function of this kind of equipment can only detect the pliability of bellows promptly, in order to make this equipment function more diversified, this embodiment is in a plurality of recess has been seted up in the front of detection base 1, all is equipped with the infrared ray inductive probe 11 of being connected with circuit control board electricity in every recess, wherein a plurality of infrared ray inductive probe 11 all set up on the axis of detection base 1, a plurality of infrared ray inductive probe 11 simultaneous working can improve holistic detection rate of accuracy. Through the setting of infrared ray inductive probe 11, can detect the count to the position change of bellows, the bellows is crooked each time, reset to vertical form all can the record and feed back to the circuit control board promptly, cooperates the automatic operation regulatory function of motor 7 again, can realize durable test. In addition, the infrared sensing probe 11 is disposed in the groove so as not to interfere with the corrugated tube and the arc-shaped template assembly during use, thereby causing damage.

In this embodiment, the output shaft of the motor 7 is in transmission connection with the transmission gear shaft 6 through a synchronous belt 12. When the synchronous belt 12 is used for transmission, the transmission ratio is accurate, the acting force on the shaft is small, the structure is compact, the oil resistance is realized, the wear resistance is good, the anti-aging performance is good, and the synchronous belt can meet the different detection environment requirements of various indoor and outdoor environments.

Because the practical environment of check out test set differs, probably can be arranged near the construction location and carry out the testing, various condition differs, can lead to detecting base 1 and can not stand subaerial steadily to lead to the detected data to appear deviation, distortion. In order to solve the above-mentioned defects, a self-balancing foot 19 is provided at the bottom of the inspection base 1. Specifically, the self-balancing stand bar comprises a grounding part 13, an elastic support rod 14 arranged at the upper end of the grounding part 13, and a spring 15 sleeved on the elastic support rod 14, wherein a limit groove 16 is formed in the bottom end face of the detection base 1, the elastic support rod 14 extends into the limit groove 16 and is fixedly connected with the top of the limit groove 16, the upper end of the spring 15 is abutted against the top of the limit groove 16, and the lower end of the spring 15 is abutted against the grounding part 13. By adopting the structure of the self-balancing support leg in the embodiment, under the combined action of the elastic support rod 14 and the spring 15, the automatic leveling can be realized on uneven ground, so that the detection base 1 is more stably supported on the ground, and the detected data is more real and reliable.

The utility model discloses in, the back that detects base 1 still is equipped with display screen 17 and operating button 18 with circuit control panel communication connection to operating personnel operates. Wherein, the setting can effectively utilize the space at the back for the size of detecting base 1 is littleer, convenient removal. Preferably, the remote controller is in communication connection with the circuit control board, can also control each electric accessory and is not limited by operation space and position.

The utility model discloses owing to adopted three left arc template 3 and three right arc template 4 'S of independent setting structure, can adjust a plurality of left arc template 3 and right arc template 4' S position respectively to let the bellows demonstrate the crooked gesture of multistage formula (for example S type), thereby it is more reasonable to the detection of bellows pliability, presses close to actual user demand, screens out unqualified product effectively, enough reliable and safety when guaranteeing to use.

Claims

1. The utility model provides a bellows pliability check out test set, is setting up at the positive arc template subassembly of detection base and the circuit control panel of setting in detecting the base including detecting base, activity, the arc template subassembly include left arc template group and right arc template group, left arc template group and right arc template group between form the detection space that is used for holding the bellows, its characterized in that: left side arc template group includes from last to three left arc templates of independent setting in proper order down, right side arc template group includes from last to three right arc templates of independent setting in proper order down, left side arc template and right arc template on all seted up horizontal flute profile, the flute profile in all be provided with gear drive shaft, the back that detects the base is equipped with the motor that a plurality of and circuit control board electricity are connected, gear drive shaft extend to the back that detects the base and with motor drive connect.

2. The bellows flexibility detection apparatus of claim 1, wherein: the detection base is further provided with a clamping assembly used for fixing the corrugated pipe.

3. The bellows flexibility detection apparatus of claim 2, wherein: the clamping assembly is formed by splicing and combining a left clamping ring and a right clamping ring, an arc-shaped sliding groove is formed in the front face of the detection base, and the left clamping ring and the right clamping ring are respectively slidably arranged in the arc-shaped sliding groove and can move along the arc-shaped sliding groove.

4. The bellows flexibility detection apparatus of claim 1, wherein: a plurality of grooves are formed in the front face of the detection base, and an infrared sensing probe electrically connected with the circuit control board is arranged in each groove.

5. The bellows flexibility detection apparatus of claim 4, wherein: the plurality of infrared sensing probes are all arranged on the central axis of the detection base.

6. The bellows flexibility detection apparatus of claim 1, wherein: and an output shaft of the motor is in transmission connection with the gear transmission shaft through a synchronous belt.

7. The bellows flexibility detection apparatus of claim 1, wherein: the bottom of the detection base is provided with a self-balancing support leg.

8. The bellows flexibility detection apparatus of claim 7, wherein: the self-balancing support leg comprises a grounding part, an elastic support rod arranged at the upper end of the grounding part and a spring sleeved on the elastic support rod, wherein a limit groove is formed in the bottom end face of the detection base, the elastic support rod extends into the limit groove and is fixedly connected with the top of the limit groove, the upper end of the spring is abutted against the top of the limit groove, and the lower end of the spring is abutted against the grounding part.