CN218481337U

CN218481337U - Metal bellows local load performance testing device

Info

Publication number: CN218481337U
Application number: CN202222396990.8U
Authority: CN
Inventors: 张建文; 史庚午
Original assignee: China Construction Eighth Engineering Bureau Testing Technology Co ltd
Current assignee: China Construction Eighth Engineering Bureau Testing Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-14
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a corrugated metal pipe local load performance test device, include: the device comprises a bottom plate, a limiting plate assembly, a detection meter and weights; the number of the limiting plate assemblies is two, the two limiting plate assemblies are respectively arranged on two sides of the bottom plate, and the two limiting plate assemblies are provided with elongated sliding holes; the metal corrugated pipe sample pipe is arranged between the two groups of limiting plate assemblies and arranged on the bottom plate; two ends of the weight are respectively arranged in the sliding holes of the two groups of limiting plates, and the weight is arranged above the metal corrugated pipe sample tube; the bottom of the detection meter is arranged on the bottom plate, and the top of the detection meter is in contact connection with the weight. Adopt the limiting plate to carry on spacingly to the weight, set up the weight directly over corrugated metal pipe appearance pipe, realized corrugated metal pipe local load performance and detected, whether the corrugated metal pipe takes place deformation through the numerical value change of detecting the table, ensured the accuracy of numerical value, and this device simple structure, it is less to receive the influence of place and environment.

Description

Metal bellows local load performance testing device

Technical Field

The utility model relates to a corrugated metal pipe detects technical field, concretely relates to corrugated metal pipe local load performance test device.

Background

Before the metal corrugated pipe is put into use, a local load performance test needs to be carried out, after the existing JG/T225-2020 standard specification of metal corrugated pipe for prestressed concrete is updated, it is pointed out that a detection test can be carried out by using a weight, but the current detection of the local load performance of the metal corrugated pipe still adopts a loading mode of a universal testing machine, and a test device for detecting the local load performance of the metal corrugated pipe by using the weight is not provided. And the loading mode of the universal testing machine is greatly influenced by the field and the environment, so that a testing device for detecting the local load performance of the metal corrugated pipe is urgently needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses a corrugated metal pipe local load performance test device, include: the device comprises a bottom plate, a limiting plate assembly, a detection meter and weights; the number of the limiting plate assemblies is two, the two limiting plate assemblies are respectively arranged on two sides of the bottom plate, and the two limiting plate assemblies are provided with elongated sliding holes; the metal corrugated pipe sample pipe is arranged between the two groups of limiting plate assemblies and is arranged on the bottom plate; two ends of the weight are respectively arranged in the sliding holes of the two groups of limiting plates, and the weight is arranged above the metal corrugated pipe sample tube; the bottom of the detection meter is arranged on the bottom plate, and the top of the detection meter is in contact connection with the weight.

Preferably, the limiting plate assembly includes: the device comprises a first limiting plate and a second limiting plate; the first limiting plate is fixedly connected with the second limiting plate, and the second limiting plate is arranged on the bottom plate; the metal corrugated pipe sample pipe is arranged between the second limiting plates of the two groups of limiting plate assemblies; and sliding holes are formed in the first limiting plate and the second limiting plate.

Preferably, the weight comprises: a first weight and a second weight; wherein the number of the second weights is multiple; both ends of the first weight and both ends of the second weights are arranged in the sliding holes of the two groups of limiting plates; first weight sets up in the top of corrugated metal pipe appearance pipe, and a plurality of second weights set gradually in the top of first weight.

Preferably, the first weight is provided with: the first limiting rod, the cylindrical jacking head and the pressure gauge rod are arranged on the outer side of the cylinder; the number of the first limiting rods and the number of the pressure gauge rods are two; the cylindrical top pressure head is fixedly arranged at the bottom of the first weight, and the two pressure gauge rods are respectively arranged at two ends of the cylindrical top pressure head; the two first limiting rods are respectively arranged at two ends of the top of the first weight; first gag lever post and pressure gauge pole are all installed in the sliding hole of limiting plate.

Preferably, a second limiting rod is arranged on the second weight; the quantity of second gag lever post is two, and two second gag lever posts set up the both ends at the second weight top respectively, and the second gag lever post is installed in the sliding hole of limiting plate.

Preferably, the mass of the first weight and the mass of the second weight are equal and 10KG are both provided.

Preferably, the number of the second weights is 7.

Compared with the closest prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a limiting plate carries on spacingly to the weight, sets up the weight directly over corrugated metal pipe appearance pipe to realize the local loading performance detection of corrugated metal pipe.

2. The utility model discloses a numerical value through detecting the table changes and judges whether corrugated metal pipe takes place deformation, has ensured the accuracy of numerical value.

3. The utility model discloses a two sets of spacing subassemblies set up respectively at the both ends of bottom plate, and corrugated metal pipe's external diameter as long as the interval homoenergetic that is less than two sets of spacing subassemblies is used this device to carry out local loading performance and is detected to the corrugated metal pipe to different models has been satisfied and has been detected.

4. The utility model has the advantages of simple structure can hand-carry, receives the influence of place and environment less.

Drawings

Fig. 1 is a schematic view of a first structure of the testing device of the present invention.

Fig. 2 is an enlarged view of the bottom of fig. 1 according to the present invention.

Fig. 3 is a second schematic structural diagram of the testing device of the present invention.

Fig. 4 is a schematic view of a first structure of the auxiliary device of the present invention.

Fig. 5 is a second schematic structural diagram of the auxiliary device of the present invention.

Fig. 6 is a schematic view of a first structure of the first weight of the present invention.

Fig. 7 is a second schematic structural view of the first weight of the present invention.

Fig. 8 is a schematic view of a first structure of the second weight of the present invention.

Fig. 9 is a second schematic structural view of the second weight of the present invention.

Reference numerals:

the detection device comprises a base plate 1, a first limiting plate 2, a second limiting plate 3, a detection meter 4, a first weight 5, a first limiting rod 51, a cylindrical top pressure head 52, a pressure meter rod 53, a second weight 6, a second limiting rod 61 and a metal corrugated pipe sample tube 7.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1-9, the utility model provides a metal bellows local load performance testing device, include: the device comprises a bottom plate 1, a limiting plate assembly, a detection table 4 and weights; the number of the limiting plate assemblies is two, the two limiting plate assemblies are respectively arranged on two sides of the bottom plate 1, and the two limiting plate assemblies are respectively provided with a slender sliding hole; the metal corrugated pipe sample pipe 7 is arranged between the two groups of limiting plate assemblies, and the metal corrugated pipe sample pipe 7 is arranged on the bottom plate 1; two ends of the weight are respectively arranged in the sliding holes of the two groups of limiting plates, and the weight is arranged above the metal corrugated pipe sample tube 7; the bottom of the detection table 4 is arranged on the bottom plate 1, and the top of the detection table 4 is in contact connection with the weight. The limiting plate is adopted to limit the weight, the weight is arranged right above the metal corrugated pipe sample tube, and therefore the local load performance of the metal corrugated pipe is detected. Whether the metal corrugated pipe deforms or not is judged through the change of the numerical value of the detection table, and the accuracy of the numerical value is ensured. Two sets of spacing subassemblies set up respectively at the both ends of bottom plate, and the external diameter of corrugated metal pipe as long as be less than the interval homoenergetic of two sets of spacing subassemblies and use this device to carry out local load performance and detect to the corrugated metal pipe of different models has been satisfied and has been detected. The device has simple structure, can be carried about, and is less influenced by places and environments.

In a preferred embodiment, the limiting plate assembly includes: a first limit plate 2 and a second limit plate 3; the first limiting plate 2 is fixedly connected with the second limiting plate 3, and the second limiting plate 3 is arranged on the bottom plate 1; the metal corrugated pipe sample pipe 7 is arranged between the second limiting plates 3 of the two groups of limiting plate assemblies; and sliding holes are formed in the first limiting plate 2 and the second limiting plate 3.

In a preferred embodiment, the weight comprises: a first weight 5 and a second weight 6; wherein, the number of the second weights 6 is multiple; both ends of the first weight 5 and both ends of the second weights 6 are arranged in the sliding holes of the two groups of limiting plates; first weight 5 sets up in the top of corrugated metal pipe appearance pipe 7, and a plurality of second weights 6 set gradually in the top of first weight 5. Preferably, the mass of the first weight 5 and the second weight 6 is equal, and both weights are 10KG. And the number of the second weights 6 is 7.

In a preferred embodiment, the first weight 5 is provided with: a first limiting rod 51, a cylindrical top pressure head 52 and a pressure gauge rod 53; the number of the first limiting rods 51 and the number of the pressure gauge rods 53 are two; the cylinder top pressure head 52 is fixedly arranged at the bottom of the first weight 5, and the two pressure gauge rods 53 are respectively arranged at two ends of the cylinder top pressure head 52; the two first limiting rods 51 are respectively arranged at two ends of the top of the first weight 5; the first limiting rod 51 and the pressure gauge rod 53 are both installed in the sliding hole of the limiting plate. Preferably, the first weight 5 comprises a weight body, a first limiting rod 51, a cylindrical top pressure head 52 and a pressure gauge rod 53, wherein the diameter phi 10mm and the height 25mm of the cylindrical top pressure head 52 are used for controlling the weight to vertically fall in the loading process, and the diameter phi 10mm and the length 10mm of the first limiting rod 51 at the two ends of the weight body are used for measuring the deformation of the loading part in the test process, and the diameter phi 10mm and the length 20mm of the pressure gauge rod 53 at the two ends of the cylindrical top pressure head 52 are used for measuring the deformation of the loading part in the test process.

In a preferred embodiment, a second limiting rod 61 is arranged on the second weight 6; the number of second gag lever post 61 is two, and two second gag lever posts 61 set up the both ends at 6 tops of second weight respectively, and second gag lever post 61 installs in the sliding hole of limiting plate. Preferably, the shape and size of the second weight 6 are the same, and the second weight is composed of a weight main body and a second limiting rod 61, wherein the transverse length of the weight main body is 150mm, and the diameter phi 10mm and the length 10mm of the second limiting rods 61 at the two ends of the weight main body are used for controlling the weight to vertically fall in the loading process.

In another preferred embodiment, the bottom plate 1 is made of a 10mm thick steel plate, the length is 660mm, the width is 190mm, the requirements on rigidity and flatness can be met, the first limiting plate 2 is made of two stainless steel plates with the thickness of 3mm, the internal transverse width is 150mm, the internal transverse thickness is 80mm, a 10mm gap is formed between the side surfaces of the two stainless steel plates, and the fixing bolt of the weight is just allowed to pass smoothly. The second limiting plate 3 adopts two long 325mm, wide 150mm, high 135 mm's fretwork frame, conveniently adorns appearance and observation, and the fixed head of percentage table that the interval 10mm allowed the weight reciprocates.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the scope of the claims of the present invention pending from the application.

Claims

1. The utility model provides a metal bellows local load performance test device which characterized in that includes: the device comprises a bottom plate (1), a limiting plate assembly, a detection meter (4) and weights;

the number of the limiting plate assemblies is two, the two limiting plate assemblies are respectively arranged on two sides of the bottom plate (1), and the two limiting plate assemblies are provided with elongated sliding holes;

a metal corrugated pipe sample tube (7) is arranged between the two groups of limiting plate assemblies, and the metal corrugated pipe sample tube (7) is arranged on the bottom plate (1);

two ends of the weight are respectively arranged in the sliding holes of the two groups of limiting plates, and the weight is arranged above the metal corrugated pipe sample tube (7);

the bottom of the detection meter (4) is installed on the bottom plate (1), and the top of the detection meter (4) is in contact connection with the weight.

2. A metal bellows partial load performance test apparatus as claimed in claim 1, wherein the limiting plate assembly comprises: a first limit plate (2) and a second limit plate (3);

the first limiting plate (2) is fixedly connected with the second limiting plate (3), and the second limiting plate (3) is arranged on the bottom plate (1);

the metal corrugated pipe sample pipe (7) is arranged between the second limiting plates (3) of the two groups of limiting plate assemblies;

and sliding holes are formed in the first limiting plate (2) and the second limiting plate (3).

3. The metal bellows local load performance test device of claim 1, wherein the weight comprises: a first weight (5) and a second weight (6);

wherein the number of the second weights (6) is multiple;

both ends of the first weights (5) and both ends of the second weights (6) are arranged in the sliding holes of the two groups of limiting plates;

first weight (5) set up the top of metal bellows appearance pipe (7), it is a plurality of second weight (6) set gradually the top of first weight (5).

4. The metal bellows local load performance test device of claim 3, wherein the first weight (5) is provided with: the device comprises a first limiting rod (51), a cylindrical jacking head (52) and a pressure gauge rod (53);

the number of the first limiting rods (51) and the number of the pressure gauge rods (53) are two;

the cylindrical jacking head (52) is fixedly arranged at the bottom of the first weight (5), and the two gauge rods (53) are respectively arranged at two ends of the cylindrical jacking head (52);

the two first limiting rods (51) are respectively arranged at two ends of the top of the first weight (5);

the first limiting rod (51) and the pressure gauge rod (53) are arranged in a sliding hole of the limiting plate.

5. The metal bellows partial load performance test device of claim 3, wherein a second limit rod (61) is arranged on the second weight (6);

the quantity of second gag lever post (61) is two, two second gag lever post (61) sets up respectively the both ends at second weight (6) top, just second gag lever post (61) is installed in the sliding hole of limiting plate.

6. The metal bellows local load performance test device of claim 3, wherein the first weight (5) and the second weight (6) have equal mass and are both 10KG.

7. The metal bellows partial load performance test device of claim 3, wherein the number of the second weights (6) is 7.