Displacement and stress digital display device for pipeline support hanger

Abstract

The utility model relates to the technical field of pipeline supports and hangers, and discloses a displacement and stress digital display device for a pipeline support and hanger, a limit guide groove is arranged at the side end of a built-in measuring box corresponding to an inner pressure plate, and a measuring needle is connected to the side end of the inner pressure plate at the inner side of the limit guide groove. A resistance strain gauge is installed on the inner side of the built-in measuring box, the built-in measuring box is installed in the hanging bracket cylinder, and the displacement condition of the second spring is conveniently reflected in a circuit measuring mode by combining matched application of the measuring needle on the edge of the inner pressing plate and the resistance strain gauge. The displacement state of the second spring can be observed and recorded more accurately, a measuring circuit and a display screen in the built-in measuring box are perfectly combined with the hanging bracket barrel, integrated installation is facilitated, specific measuring result information is displayed through the display screen, the measuring information can be displayed digitally and visually, and the measuring efficiency is improved. The trouble of traditional reading observation is solved, and the convenience of the measurement process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline support hanger technical field, concretely is a pipeline support hanger displacement and stress digital display device. BACKGROUND

[0002] Spring support hanger is mainly designed according to torque balance principle, and load torque and spring torque always keep balance within the displacement range of specified load, therefore, when the pipeline and equipment supported by constant support hanger occur displacement, constant supporting force can be obtained, additional stress is not brought to the pipeline and equipment, and the pipeline support hanger is used to bear pipeline load, control pipeline displacement and vibration, and various components or devices are used to transfer pipeline load to bearing building structure, and the support hanger is mainly used for steam pipeline or boiler equipment in power plant, thermal displacement and equipment device generated in operation, then spring support hanger work and thermal displacement requirements are calculated and determined according to the stress condition of pipeline.

[0003] The widely used support hanger is reasonable in design and practical, but when observing and recording displacement state, the inaccurate reading caused by unclear scale graduation of the scale, the difficult reading caused by the far distance between observation position and support hanger position and the difficult observation caused by no light source at the position of support hanger exist, and manual observation and recording are time-consuming and laborious. SUMMARY

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a pipeline support hanger displacement and stress digital display device, and solves the problems of the inaccurate reading caused by unclear scale graduation of the scale of the widely used support hanger, the difficult reading caused by the far distance between observation position and support hanger position and the difficult observation caused by no light source at the position of support hanger, and manual observation and recording are time-consuming and laborious.

[0006] (II) technical scheme

[0007] In order to realize the above object, the utility model provides the following technical scheme: a pipeline support hanger displacement and stress digital display device, including hanger cylinder and hanger plate, the top middle part of hanger cylinder is provided with the hanger plate with hole, the inside of hanger cylinder is embedded with spring pressing plate and can be slidably connected, the both sides bottom of spring pressing plate are connected with first spring, the top of hanger cylinder is connected with adjusting screw through screw thread at the both sides of spring pressing plate, the inside of spring pressing plate is fixedly installed with inner cylinder, the middle end of the bottom of hanger cylinder is provided with limiting guide hole, the inner cylinder is limited to slide in limiting guide hole, the inside of inner cylinder is embedded with hanger rod and can be slidably connected, the outside of hanger rod is sleeved with second spring, the top of hanger rod is fixedly connected with inner pressing plate, and the bottom of hanger rod is connected with hanger connecting rod.

[0008] The front edge of the hanger barrel is embedded with a display screen, and the back edge of the hanger barrel is detachably provided with an internal measuring box, the edge of the internal measuring box is provided with a limiting guide groove at the position corresponding to the internal pressure plate, and the edge of the internal pressure plate is connected with a measuring needle at the position inside the limiting guide groove, and the inside of the internal measuring box is provided with a resistance strain gauge.

[0009] The edge of the internal measuring box is fixedly connected with a mounting end plate, and the mounting end plate is limitedly connected to the back edge of the hanger barrel by a limiting bolt.

[0010] As a preferred technical scheme of the pipeline support hanger displacement and stress digital display device, the top of the spring pressure plate is provided with a circular groove at the position corresponding to the bottom end of the adjusting screw, and the bottom of the adjusting screw rotates in the circular groove.

[0011] As a preferred technical scheme of the pipeline support hanger displacement and stress digital display device, the hanger rod is limitedly slid along the inside of the inner cylinder, the internal pressure plate is slid along the inner wall of the inner cylinder, and the measuring needle at the edge of the internal pressure plate is in contact with the edge of the resistance strain gauge.

[0012] As a preferred technical scheme of the pipeline support hanger displacement and stress digital display device, the internal measuring box realizes measurement through the measurement circuit integrated therein, and the inside of the internal measuring box is provided with a power supply, an amplifier, a signal converter and a protective resistor, and the power supply, the amplifier, the signal converter and the protective resistor are connected with the display screen through wires.

[0013] As a preferred technical scheme of the pipeline support hanger displacement and stress digital display device, the edge of the inner cylinder is provided with a roller guide groove at equal angles along the circumferential direction, the inside edge of the limiting guide hole is provided with a mounting turning groove at the position corresponding to the roller guide groove, and the inside of the mounting turning groove is embedded with a limiting roller connected in rotation.

[0014] As a preferred technical scheme of the pipeline support hanger displacement and stress digital display device, the limiting roller is connected to the inner wall of the mounting turning groove through a movable shaft, and the edge of the limiting roller is in contact with the inner wall of the roller guide groove.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the pipeline support hanger displacement and stress digital display device has the following beneficial effects:

[0017] 1、By setting the hanging plate, spring pressing plate, first spring and adjusting screw inside the hanger barrel, the elasticity of the first spring is conveniently adjusted, and meanwhile, by setting the hanging rod, second spring, inner pressing plate and hanger connecting rod inside the inner barrel, when a pipeline with a relatively large weight is installed, the pressure is shared and the impact from the outside is reduced, so that the hanger barrel can bear a larger load and its applicability is improved.

[0018] By installing the built-in measuring box inside the hanger barrel and combining the application of the inner pressing plate edge measuring needle and the resistance strain gauge, the displacement of the second spring can be conveniently reflected by the measuring circuit, so that the displacement state of the second spring can be more accurately observed and recorded, and the measuring circuit and display screen inside the built-in measuring box are perfectly combined with the hanger barrel, convenient for integrated installation, and the specific measurement result information is displayed through the display screen, so that the measurement information can be intuitively displayed in digital form, the stress and displacement of the pipeline support hanger can be grasped in time, the trouble of traditional reading observation is solved, and the convenience of the measurement process is improved.

[0019] 2、By the limiting guide hole at the bottom of the hanger barrel, the inner barrel is conveniently guided and limited to slide, and meanwhile, the roller guide grooves are evenly arranged at the edge ends of the inner barrel, the installation rotating grooves are arranged on the inner side of the limiting guide hole, and the limiting rollers are rotatably connected and embedded in the inner side of the installation rotating grooves, so that when the inner barrel slides along the limiting guide hole, the edge of the inner barrel is in rolling contact with the limiting rollers, thereby reducing the friction of the edge of the inner barrel during sliding, making the sliding process smoother, avoiding that the edge of the inner barrel is subjected to a relatively large friction force, affecting the actual extension and retraction displacement of the second spring, and further improving the accuracy of the stress reaction of the pipeline.

[0020] 3、By the installation end plate installed at the back of the built-in measuring box, in combination with the limiting bolt, the built-in measuring box is conveniently fixed and installed on the back of the hanger barrel in the embedded limiting connection mode, and the built-in measuring box is also conveniently disassembled, so that the electrical elements inside the built-in measuring box can be maintained. DETAILED DESCRIPTION

[0021] Figure 1 is a structural schematic view of the utility model.

[0022] Figure 2 is a structural schematic view of the inner barrel of the utility model.

[0023] Figure 3 is a structural schematic view of the hanging rod of the utility model.

[0024] Figure 4 is an installation structural schematic view of the limiting roller of the utility model.

[0025] Figure 5 is a structural schematic view of the built-in measuring box of the utility model.

[0026] Figure 6 is the internal measurement circuit of the built-in measurement box of the utility model.

[0027] In the figure: 1, hanger barrel; 2, hanging plate; 3, spring pressing plate; 4, first spring; 5, adjusting screw; 6, inner barrel; 7, hanger rod; 8, second spring; 9, inner pressing plate; 10, hanger connecting rod; 11, display screen; 12, built-in measurement box; 13, limiting guide groove; 4, measurement needle; 15, resistance strain gauge; 16, mounting end plate; 17, limiting bolt; 18, roller guide groove; 19, mounting rotating groove; 20, limiting roller; 21, limiting guide hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0029] Please refer to Figures 1-6 The utility model provides the following technical scheme: a pipeline support and hanger displacement and stress digital display device, including hanger barrel 1 and hanging plate 2, the top middle part of hanger barrel 1 is provided with the hanging plate 2 with hole, the inside of hanger barrel 1 is embedded with spring pressing plate 3 and can be slidably connected, the both sides bottom end of spring pressing plate 3 is connected with first spring 4 symmetrically, the top of hanger barrel 1 corresponds the both sides of spring pressing plate 3 and is provided with adjusting screw 5 through screw connection, the top of spring pressing plate 3 is provided with round groove at the position corresponding the bottom end of adjusting screw 5, the bottom of adjusting screw 5 rotates in the round groove, the position of spring pressing plate 3 is adjusted through adjusting screw 5, the elasticity of first spring 4 is adjusted, the inside of spring pressing plate 3 is fixedly installed with inner barrel 6, the bottom middle end of hanger barrel 1 is provided with limiting guide hole 21, inner barrel 6 is limitedly slid in limiting guide hole 21, the inside of inner barrel 6 is embedded with hanger rod 7 and is slidably connected, the outside of hanger rod 7 is sleeved with second spring 8, the top end of hanger rod 7 is fixedly connected with inner pressing plate 9, and the bottom end of hanger rod 7 is connected with hanger connecting rod 10;

[0030] The front edge of the hanger barrel 1 is embeddedly provided with a display screen 11, and the back edge of the hanger barrel 1 is detachably provided with an internal measuring box 12, the internal measuring box 12 is measured by the internal measuring circuit, and the internal measuring box 12 is provided with a power supply, an amplifier, a signal converter and a protective resistor on the inner side, and the power supply, the amplifier, the signal converter and the protective resistor are connected with the display screen 11 through wires, so that the displacement of the second spring 8 can be observed and recorded more accurately through the measuring circuit, and the limit guide groove 13 is formed at the position corresponding to the internal pressure plate 9 at the edge of the internal measuring box 12, and the measuring needle 14 is connected to the edge of the internal pressure plate 9 at the inner side of the limit guide groove 13, and the resistance strain gauge 15 is arranged in the internal measuring box 12, the hanger rod 7 is limitedly slid along the inner side of the inner barrel 6, the internal pressure plate 9 is slid along the inner wall of the inner barrel 6, and the measuring needle 14 at the edge of the internal pressure plate 9 is in contact with the edge of the resistance strain gauge 15, so that the inner barrel 6 is guided and limitedly slid, and the contact between the measuring needle 14 and the resistance strain gauge 15 is facilitated.

[0031] The edge of the internal measuring box 12 is fixedly connected with the mounting end plate 16, and the mounting end plate 16 is limitedly connected to the back edge of the hanger barrel 1 through the limiting bolt 17.

[0032] The edge of the inner barrel 6 is provided with the roller guide groove 18 at equal angles in the circumferential direction, the mounting rotating groove 19 is formed at the position corresponding to the roller guide groove 18 at the inner side of the limiting guide hole 21, the limiting roller 20 is rotatably connected to the inner wall of the mounting rotating groove 19 by being embedded in the mounting rotating groove 19, the limiting roller 20 is connected to the inner wall of the mounting rotating groove 19 through the movable shaft, and the edge of the limiting roller 20 is fitted with the inner wall of the roller guide groove 18, so that the edge of the inner barrel 6 is in rolling contact with the limiting roller 20, thereby reducing the friction of the edge of the inner barrel 6 when sliding.

[0033] The working principle and use process of the utility model are as follows: first, the hanger plate 2, the spring plate 3, the first spring 4 and the adjusting screw 5 arranged in the hanger barrel 1 are used to conveniently adjust the elasticity of the first spring 4, and the hanger rod 7, the second spring 8, the internal pressure plate 9 and the hanger connecting rod 10 arranged in the inner barrel 6 are used in combination, so that the pressure is shared when the whole hanger barrel 1 is installed with a pipeline with large weight, the impact of the outside is reduced, the hanger barrel 1 can bear larger load weight, and the applicability is improved.

[0034] When the inner cylinder 6 is guided and limited to slide in the limiting guide hole 21 at the bottom of the hanger cylinder 1, the edge end of the inner cylinder 6 is uniformly provided with a roller guide groove 18, the inner side of the limiting guide hole 21 is provided with a mounting rotating groove 19, and the inner side of the mounting rotating groove 19 is embedded with a limiting roller 20 connected in rotation, so that the edge of the inner cylinder 6 is in rolling contact with the limiting roller 20 when the inner cylinder 6 slides along the limiting guide hole 21, thereby reducing the friction of the edge of the inner cylinder 6 during sliding, making the sliding process smoother, avoiding that the edge is subjected to a large friction force, affecting the actual extension and retraction displacement of the second spring 8, and further improving the accuracy of the pipeline stress reaction;

[0035] When the stress and displacement of the pipeline support hanger are reacted, the built-in measuring box 12 is installed inside the hanger cylinder 1, the edge measuring needle 14 and the resistance strain gauge 15 are combined and applied, the displacement of the second spring 8 is conveniently reacted by the measuring circuit, the displacement state of the second spring 8 can be more accurately observed and recorded, the measuring circuit inside the built-in measuring box 12 and the display screen 11 are perfectly combined with the hanger cylinder 1, convenient for integrated installation, and the specific measurement result information is displayed through the display screen 11, convenient for digital and intuitive display of the measurement information, solving the trouble of traditional reading observation, and improving the convenience of the measurement process;

[0036] In addition, the built-in measuring box 12 is fixedly installed on the back of the hanger cylinder 1 in the embedded limiting connection mode through the mounting end plate 16 installed on the back of the built-in measuring box 12 and the limiting bolt 17, and the built-in measuring box 12 is conveniently disassembled, and the electrical elements inside the built-in measuring box 12 are conveniently maintained.

[0037] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pipeline support displacement and force digital display device, comprising a hanger cylinder (1) and a hanger plate (2), characterized in that: The top middle of the hanger barrel (1) is provided with a hoist plate (2) with a hole, the inner side of the hanger barrel (1) is embedded with a spring pressing plate (3) connected slidably, the two side bottom ends of the spring pressing plate (3) are symmetrically connected with first springs (4), the top of the hanger barrel (1) is connected with adjusting screws (5) through threads at the two sides of the spring pressing plate (3), the inner side of the spring pressing plate (3) is fixedly installed with an inner barrel (6), the bottom middle of the hanger barrel (1) is provided with a limiting guide hole (21), the inner barrel (6) is limited to slide in the limiting guide hole (21), the inner side of the inner barrel (6) is embedded with a hanger rod (7) connected slidably, the outer side of the hanger rod (7) is sleeved with a second spring (8), the top end of the hanger rod (7) is fixedly connected with an inner pressing plate (9), and the bottom end of the hanger rod (7) is connected with a hanger connecting rod (10). The front edge end of the hanger barrel (1) is embeddedly installed with a display screen (11), and the back edge of the hanger barrel (1) is detachably installed with an inner measuring box (12), the edge end of the inner measuring box (12) is provided with a limiting guide groove (13) at the position corresponding to the inner pressing plate (9), and the edge end of the inner pressing plate (9) is connected with a measuring needle (14) at the position inside the limiting guide groove (13), and the inner side of the inner measuring box (12) is installed with a resistance strain gauge (15). The edge end of the inner measuring box (12) is fixedly connected with a mounting end plate (16), and the mounting end plate (16) is limitedly connected to the back edge of the hanger barrel (1) through a limiting bolt (17).

2. The digital display device for displacement and stress of a pipe support and hanger according to claim 1, characterized in that: The top of the spring pressing plate (3) is provided with a circular groove at the position corresponding to the bottom end of the adjusting screw (5), and the bottom of the adjusting screw (5) rotates in the circular groove.

3. The digital display device for displacement and stress of a pipe support and hanger according to claim 1, characterized in that: The hanger rod (7) is limited to slide along the inner side of the inner barrel (6), the inner pressing plate (9) slides along the inner wall of the inner barrel (6), and the measuring needle (14) of the edge end of the inner pressing plate (9) is in contact with the edge of the resistance strain gauge (15).

4. The digital display device for displacement and stress of a piping support according to claim 1, characterized in that: The inner measuring box (12) realizes measurement through the measurement circuit integrated therein, and the inner side of the inner measuring box (12) is provided with a power supply, an amplifier, a signal converter and a protective resistor, and the power supply, the amplifier, the signal converter and the protective resistor are connected with the display screen (11) through wires.

5. The digital display device for displacement and stress of a piping support according to claim 1, characterized in that: The edge end of the inner barrel (6) is provided with a roller guide groove (18) at equal angles in the circumferential direction, the inner side of the limiting guide hole (21) is provided with a mounting rotating groove (19) at the position corresponding to the roller guide groove (18), and the inner side of the mounting rotating groove (19) is embeddedly rotatably connected with a limiting roller (20).

6. The digital display device for displacement and stress of a piping support according to claim 5, characterized in that: The limiting roller (20) is connected to the inner wall of the mounting rotating groove (19) through a movable shaft, and the edge end of the limiting roller (20) is in contact with the inner wall of the roller guide groove (18).

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