Sample reserving device for impact resistance test of power cable protection pipe

Abstract

The utility model discloses a sample reserving device for an impact resistance test of a power cable protection pipe, and relates to the related technical field of power cable protection pipes. The sample reserving device comprises a display inclined plate and a sample reserving assembly, side plates are fixed to the two side edges of the upper inclined face of the display inclined plate, and the sample reserving assembly is jointly inserted into two limiting grooves, located in the same transverse straight line, in the two side plates in a penetrating mode; the sample reserving assembly comprises a sample reserving groove which is transversely inserted into the two limiting grooves, a cambered surface glass plate is arranged on the sample reserving groove, end plates are arranged at the two ends of the sample reserving groove, and a rotating shaft is inserted into the two end plates in a penetrating manner. Through the arrangement of the display inclined plate, the sample reserving assembly, the sample reserving groove, the rotating shaft, the end plate and the cambered surface glass plate, the problems that after the impact resistance test of the power cable protection pipe, the same batch of test samples cannot be accurately reserved, the same group of test samples cannot be conveniently compared and observed after sample reserving, the damage condition after sample reserving is serious, and the test efficiency is high are solved. And all-dimensional observation by technicians is not convenient.

Description

Technical Field

[0001] This utility model belongs to the technical field of power cable protection pipes, and in particular relates to a sample retention device for impact resistance testing of power cable protection pipes. Background Technology

[0002] Power cable protection pipes are crucial facilities used to protect power cables from mechanical damage, chemical corrosion, and electromagnetic interference, and are widely used in municipal, transportation, and industrial fields. Before power cable protection pipes are manufactured and put into full use, they must undergo impact resistance testing to ensure the structural strength of the pipes and the level of protection they provide for the internal power cables. Therefore, sufficient impact resistance testing is necessary to ensure a high pass rate. However, even after impact resistance testing, the following drawbacks still exist for power cable protection pipes:

[0003] Firstly, the impact resistance test of power cable protection pipes is essentially to test the impact resistance of power cable protection pipes, such as whether the impact or damage caused by impacts at different locations is different; and whether the damage suffered is different under different impact force conditions. Therefore, it is necessary to retain corresponding test samples after the impact test of power cable protection pipes in order to observe the impact resistance under different conditions. This requires a sample retention device to store different samples from the same batch.

[0004] Secondly, after the impact resistance test of the power cable protection pipe, there will inevitably be some damage and cracking. At this time, the sample retention device should not only preserve the sample, but should also facilitate the technicians to observe the damage of the sample so as to know the loss under different conditions. In addition, the samples should be displayed together with the test samples in the same group.

[0005] Finally, after the impact test of the power cable protection pipe, some debris may break or even fall off. It should be restored as much as possible to facilitate observation of the damage. However, some fractures are too severe, and the damage of the sample cannot be judged from a single perspective. Therefore, it is necessary to move the sample or have technicians change the perspective. Utility Model Content

[0006] The purpose of this utility model is to provide a sample retention device for impact resistance testing of power cable protection pipes. By setting up a display inclined plate, a sample retention component, a sample retention groove, a rotating shaft, an end plate, and a curved glass plate, it solves the problems that after the impact resistance test of power cable protection pipes, it is not possible to obtain accurate samples of the same batch of test samples, it is inconvenient to compare and observe the same group of test samples after retention, and the damage after retention is serious, making it inconvenient for technicians to observe from all angles.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0008] This utility model is a sample retention device for impact resistance testing of power cable protection pipes, including a display inclined plate and a sample retention component. Side plates are fixed on both sides of the inclined surface of the display inclined plate. Equally spaced limiting grooves are opened through the two side plates. The sample retention component is inserted into the two limiting grooves on the same horizontal line in the two side plates.

[0009] The sample retention assembly includes a sample retention slot that is laterally inserted into two limiting slots. The sample retention slot has a notch, and an arc-shaped glass plate is installed in the notch. Both ends of the sample retention slot are provided with end plates. A rotating shaft is inserted through both end plates. The main body of the power cable protection pipe is sleeved on the outer periphery of the rotating shaft located in the sample retention slot.

[0010] Furthermore, symmetrically arranged support plates are fixed on the lower inclined surface of the display slope, and the support plates are flush with the bottom surface of the display slope.

[0011] Furthermore, a label is affixed to the lower part of the sample retention slot on the side away from the display ramp.

[0012] Furthermore, slots are provided in the sample retention grooves on both sides of the notch, and the two sides of the curved glass plate are inserted into the corresponding slots.

[0013] Furthermore, a plug is fixed to the side of the end plate near the sample retention slot, and the plug is embedded in the port of the sample retention slot. Bolts are screwed onto the three corners of the end plate away from the curved glass plate, and the tail ends of the bolts are screwed into the end of the sample retention slot.

[0014] Furthermore, both ends of the shaft extending out of the end plate are connected to control levers via through-threads.

[0015] Furthermore, the longitudinal cross-sectional dimension of the end plate is larger than that of the sample retention groove, and the two end plates seal both ends of the curved glass plate.

[0016] This utility model has the following beneficial effects:

[0017] This invention solves the problem of inaccurate retention of test samples from the same batch after impact testing of power cable protection pipes, making classification and observation inconvenient, by setting up a display ramp, sample retention components, sample retention slots, a rotating shaft, and an end plate. First, three sets of sample retention components can be inserted into the display ramp. Each set of sample retention components can store one test sample of power cable protection pipe. The three sets of sample retention components store samples from the same batch under different impact forces and different impact positions, and use labels to record and affix markings, thus facilitating the retention of test samples from the same batch. Each sample is retained independently, allowing for observation of the damage condition of the test samples.

[0018] This invention solves the problem of inconvenient comparative observation of test samples in the same group after power cable protection pipe samples are retained by setting up a display inclined plate, sample retention components, sample retention slots, and curved glass plates. Because the display inclined plate is tilted and the three sample retention components are supported by side plates, the three sample retention components are not on the same vertical plane, but are distributed in a tiered manner at different heights due to the tilted design. This makes it convenient for technicians to observe the condition of each sample at a glance. In addition, the design of the curved glass window allows for a wider field of view to observe the damage of the power cable protection pipe, facilitating comparative observation.

[0019] This invention solves the problem of severe damage to power cable protection pipes after sampling, making it difficult for technicians to observe them from all angles, by setting up a sampling component, sampling slot, rotating shaft, and end plates. First, the main body of the tested power cable protection pipe is placed on the rotating shaft, and broken fragments are adhered to it, but the crack locations are preserved. Then, the two ends of the rotating shaft are passed through two end plates, which are connected to the sampling slot. The condition of the power cable protection pipe in the sampling slot can then be observed through the curved glass window. The rotating shaft can also be rotated by a control lever to display all sides of the power cable protection pipe without moving or changing the viewing angle, making observation convenient. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0021] Figure 1 A perspective view of a sample retention device for impact resistance testing of power cable protection pipes;

[0022] Figure 2 for Figure 1 A structural diagram from another perspective;

[0023] Figure 3 To illustrate the structure of the inclined plate;

[0024] Figure 4 This is a structural diagram of the sample retention component;

[0025] Figure 5 A structural diagram of the sample assembly after the curved glass plate has been removed.

[0026] Figure 6 This is a diagram showing the connection between the rotating shaft and the main body of the power cable protection pipe;

[0027] Figure 7 This is a structural diagram of a curved glass plate.

[0028] Figure label:

[0029] 1. Display ramp; 101. Side plate; 1011. Limiting groove; 102. Support plate; 2. Sample retention assembly; 201. Sample retention groove; 2011. Notch; 2012. Slot; 202. End plate; 2021. Bolt; 2022. Plug; 203. Curved glass plate; 204. Rotating shaft; 205. Label; 206. Main body of power cable protection pipe; 207. Control lever. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0031] Please see Figure 1-7 As shown, this utility model is a sample retention device for impact resistance testing of power cable protection pipes, including a display inclined plate 1 and a sample retention component 2. Side plates 101 are fixed on both sides of the upper inclined surface of the display inclined plate 1, and symmetrically arranged support plates 102 are fixed on the lower inclined surface of the display inclined plate 1, and the support plates 102 are flush with the bottom surface of the display inclined plate 1.

[0032] Both side plates 101 are provided with equally spaced limiting grooves 1011, and the sample retention component 2 is inserted into the two limiting grooves 1011 that are on the same horizontal line in the two side plates 101.

[0033] The inclined plate 1 is set at an angle and supported by the support plate 102. It is then supported by two side plates 101. Three sample retention components 2 are interspersed and supported. The sample retention groove 201 in the sample retention component 2 serves as the main part and is inserted into two limiting grooves 1011 that are on the same horizontal line, thus forming a horizontal support and display.

[0034] The sample retention assembly 2 includes a sample retention groove 201 that is laterally inserted into two limiting grooves 1011. The sample retention groove 201 has a notch 2011, and a curved glass plate 203 is installed in the notch 2011. Both ends of the sample retention groove 201 are provided with end plates 202. A rotating shaft 204 is inserted through both end plates 202. The rotating shaft 204 located in the sample retention groove 201 is fitted with a power cable protection pipe body 206 on its outer periphery.

[0035] The sample retention trough 201 is hollow inside and is essentially a square column. A right-angled notch 2011 is made on it, and a curved glass plate 203 is inserted into the notch 2011 to fill it. The sample condition inside the sample retention trough 201 can be observed through the curved glass plate 203. The main body 206 of the power cable protection tube is installed on the rotating shaft 204, and the damaged parts are firmly adhered. The two ends of the rotating shaft 204 are passed through the sample retention trough 201 and then inserted into the two end plates 202 respectively. Finally, the two end plates 202 are fixed to the ends of the sample retention trough 201.

[0036] A label 205 is affixed to the lower part of the sample holder 201 on the side away from the display inclined plate 1; the label 205 is used to record the corresponding sample test information, such as the type of impact test, the location of the impact test, etc., so as to facilitate the knowledge of specific information and the collection of test information.

[0037] The sample retention slots 201 on both sides of the notch 2011 are provided with slots 2012, and the two sides of the curved glass plate 203 are inserted into the corresponding slots 2012; the curved glass plate 203 can be pulled out along the slots 2012, or it can be inserted along the slots 2012 and remain relatively stable with the sample retention slots 201.

[0038] A plug 2022 is fixed on the side of the end plate 202 near the sample retention trough 201, and the plug 2022 is embedded in the port of the sample retention trough 201. Bolts 2021 are screwed on the three corners of the end plate 202 away from the curved glass plate 203, and the tail end of the bolt 2021 is screwed into the end of the sample retention trough 201.

[0039] When installing the end plate 202, first insert the plug 2022 into the port of the sample retention groove 201 to complete the initial fixation, then screw the bolt 2021 into the three corners of the end plate 202 and into the end of the sample retention groove 201 to keep the end plate 202 and the sample retention groove 201 fixed.

[0040] The two ends of the rotating shaft 204 extending out of the end plate 202 are connected to the control lever 207 by through threads. After the rotating shaft 204, end plate 202 and sample slot 201 are installed, the control lever 207 is inserted and connected to the rotating shaft 204. At this time, the rotating shaft 204 can be rotated by the control lever 207 to fully display the main body 206 of the power cable protection pipe outside the rotating shaft 204.

[0041] The longitudinal cross-sectional dimension of the end plate 202 is larger than that of the sample retention groove 201, and the two end plates 202 seal both ends of the curved glass plate 203.

[0042] The specific working principle of this utility model is as follows: First, a sample retention component 2 stores one test sample. The curved glass plate 203 is inserted along the slot 2012 and connected to the sample retention slot 201. Then, the main body 206 of the power cable protection pipe is fitted over the rotating shaft 204. Next, both ends of the rotating shaft 204 are passed through the sample retention slot 201 and inserted into the two end plates 202 respectively. The plugs 2022 of the end plates 202 are embedded into the ports of the sample retention slots 201, completing the initial fixation. Then, bolts 2021 are screwed into the three corners of the end plates 202 and into the ends of the sample retention slots 201, keeping the end plates 202 and sample retention slots 201 fixed. Finally, the operating... The control lever 207 is connected to the rotating shaft 204. By rotating the rotating shaft 204 through the control lever 207, the main body 206 of the power cable protection pipe outside the rotating shaft 204 can be rotated and displayed. After the sample is stored, the display inclined plate 1 is set at an angle and supported by the support plate 102. The sample retention component 2 is inserted into the two limiting grooves 1011 on the same horizontal line, and both ends extend out of the side plate 101. The label 205 is used to record and affix the mark. Due to the inclined design, the three sample retention components 2 are not on the same vertical plane, but are distributed in an inclined high and low ladder, which makes it convenient for technicians to observe the condition of each sample at a glance through the curved glass plate 203.

[0043] The above are merely preferred embodiments of the present utility model and do not limit the present utility model. Any modifications, equivalent substitutions, or improvements made to the technical solutions described in the foregoing embodiments, or to some of the technical features, shall fall within the protection scope of the present utility model.

Claims

1. A sample retention device for impact resistance testing of power cable protective pipes, comprising a display ramp (1) and a sample retention assembly (2), characterized in that: Side plates (101) are fixed on both sides of the inclined surface of the display sloping plate (1). Equally spaced limiting grooves (1011) are opened through both side plates (101). Sample retention components (2) are inserted in the two limiting grooves (1011) that are on the same horizontal line in the two side plates (101). The sample retention assembly (2) includes a sample retention slot (201) that is laterally inserted into two limiting slots (1011). The sample retention slot (201) has a notch (2011) and an arc-shaped glass plate (203) is installed in the notch (2011). Both ends of the sample retention slot (201) are provided with end plates (202). A rotating shaft (204) is inserted through both end plates (202). The rotating shaft (204) located in the sample retention slot (201) is fitted with a power cable protection pipe body (206) on its outer periphery.

2. The device for impact test sample reservation of power cable protection tube according to claim 1, characterized in that: The display inclined plate (1) has symmetrically arranged support plates (102) fixed on its lower inclined surface, and the support plates (102) are flush with the bottom surface of the display inclined plate (1).

3. The device for impact test sample reservation of power cable protection tube according to claim 1, characterized in that: A label (205) is affixed to the lower part of the sample holder (201) on the side away from the display ramp (1).

4. The device for impact test sample reservation of power cable protection tube according to claim 1, characterized in that: The notch (2011) has a slot (2012) in the sample retention groove (201) on both sides, and the two sides of the curved glass plate (203) are inserted into the corresponding slot (2012).

5. The impact test sample retention device for power cable protection pipes according to claim 1, characterized in that: A plug (2022) is fixed on the side of the end plate (202) near the sample retention slot (201), and the plug (2022) is embedded in the port of the sample retention slot (201). Bolts (2021) are screwed onto the three corners of the end plate (202) away from the curved glass plate (203), and the tail end of the bolt (2021) is screwed into the end of the sample retention slot (201).

6. The impact test sample retention device for power cable protection pipes according to claim 1, characterized in that: The rotating shaft (204) has a control lever (207) threaded through both ends of the extended end plate (202).

7. The device for impact test sample reservation of a power cable protection tube according to claim 1, characterized in that: The longitudinal cross-sectional dimension of the end plate (202) is larger than that of the sample retention groove (201), and the two end plates (202) seal both ends of the curved glass plate (203).

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