Telescopic displacement sensor fixing device capable of being repeatedly disassembled and assembled

Abstract

The utility model discloses a retractable displacement sensor fixing device capable of being repeatedly disassembled and assembled, which comprises an action component, a first adjusting bolt, a fixing component and a sensor fixing support, the action component is movably connected with the fixing component, the first adjusting bolt is connected with the action component and the fixing component, and the sensor fixing support is fixedly connected with the action component. And the sensor fixing support is arranged on the action component. Compared with the prior art, the installation efficiency of the displacement sensor can be improved, and the stability and reliability of a system are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to displacement monitoring technical field, especially a telescopic displacement sensor fixing device of repeatable dismounting. BACKGROUND

[0002] In the operation of high-speed railway subgrade treatment, the construction will affect the track bed plate, in order to ensure the operation safety, the track bed plate needs to be monitored precisely during operation. The sensor base for track plate displacement monitoring in the prior art is usually fixed by bolts or bonded, which has low dismounting efficiency, cannot be reused and is difficult to adapt to different monitoring point height differences. Frequent installation of new bases causes damage to the track plate or base plate to different degrees and increases the cost, and the traditional base lacks height adjustment function, affecting the monitoring precision.

[0003] The technical principle of bolt fixation or bonding is that after the shift subgrade treatment construction is completed and before the window period ends, the sensor fixing device and the lower subgrade foundation are fixed by bolts or bonded, and the sensor is fixed on the fixing device, so that the sensor and the subgrade form a whole, the relative displacement of the sensor and the track plate is monitored by the sensor, and the track bed plate is precisely monitored. The displacement sensor fixing method can be fixed firmly and has high reliability, but the bolt fixation is time-consuming and labor-intensive, the bonding has a long solidification time, the installation efficiency is low, a lot of treatment construction operation time is occupied, and the method makes the fixing device difficult to adapt to different monitoring point height differences and can only be used in a single project, cannot be reused and increases the cost.

[0004] Therefore, the telescopic displacement sensor fixing device with repeatable dismounting is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a telescopic displacement sensor fixing device with repeatable dismounting to solve the problems in the background art.

[0006] The above technical purpose of the utility model is achieved by the following technical scheme.

[0007] A telescopic displacement sensor fixing device with repeatable dismounting comprises a moving member, a first adjusting bolt, a fixing member and a sensor fixing support, the moving member and the fixing member are movably connected, the first adjusting bolt connects the moving member and the fixing member, and the sensor fixing support is arranged on the moving member.

[0008] In a preferred embodiment, the moving member and the fixing member are in a cylindrical shape, and the moving member is inserted into the fixing member.

[0009] In a preferred embodiment, the fixed member is provided with a first bolt hole, the action member is provided with a first bolt slot arranged longitudinally, and the first adjusting bolt is matched with the first bolt slot after passing through the first bolt hole.

[0010] In a preferred embodiment, the first adjusting bolt, the first bolt hole and the first bolt slot are respectively provided with two, the first bolt hole is arranged on the opposite sides of the fixed member, and the first bolt slot is arranged on the opposite sides of the action member.

[0011] In a preferred embodiment, the sensor fixing support is provided with a second adjusting bolt, the action member is provided with a second bolt slot, and the second adjusting bolt is matched with the second bolt slot.

[0012] In a preferred embodiment, the sensor fixing support is provided with two, and the corresponding second bolt slot is provided with two, one of the two second bolt slots is arranged horizontally, and the other is arranged vertically.

[0013] In a preferred embodiment, the bottom of the fixed member is connected with a counterweight.

[0014] In a preferred embodiment, the fixed member is provided with a second bolt hole, the counterweight is provided with a third bolt hole, a connecting bolt passes through the second bolt hole and the third bolt hole, and a connecting nut is matched with the connecting bolt.

[0015] In a preferred embodiment, the bottom of the fixed member is provided with a connecting plate, and the second bolt hole is arranged on the connecting plate.

[0016] In a preferred embodiment, the top of the counterweight is provided with a plurality of positioning grooves, the bottom of the counterweight is provided with a plurality of positioning blocks arranged one by one corresponding to the positions of the plurality of positioning grooves, the positioning blocks are arranged in the shape of a pyramid or a prism, and the positioning grooves and the positioning blocks are arranged in the same shape.

[0017] Compared with the prior art, the telescopic displacement sensor fixing device provided by the utility model can be repeatedly disassembled and assembled, greatly improves the installation efficiency, greatly shortens the operation time of the whole treatment, and can be disassembled and assembled more than 1000 times, so that the construction progress is no longer limited by the complicated installation process. Facing the complex topography of different monitoring points, the traditional base is difficult to adapt to the height difference, the telescopic function is realized by adjusting the relative positions of the action member and the fixed member, the device has strong adaptability to complex topography, and can be accurately installed and effectively monitored regardless of the change of the height of the monitoring point.

[0018] In terms of cost control, the device is modularly designed, which not only simplifies the production and processing process and reduces the production cost, but also can be reused, reduces the consumption expenditure, and reduces the maintenance cost due to the simplification of the design. In addition, the device has good anti-seismic performance and stability, and can reliably and precisely monitor the ballast bed in complex environments, thereby providing a solid guarantee for the safe operation of high-speed railways. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a front view of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting.

[0020] Figure 2 is a side view of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting.

[0021] Figure 3 is a top view of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting.

[0022] Figure 4 is a perspective view of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting.

[0023] Figure 5 is a structure diagram of the counterweight block of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting (first view).

[0024] Figure 6 is a structure diagram of the counterweight block of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting (second view).

[0025] Figure 7 is a structure diagram of the counterweight block and the bottom counterweight sealing plate of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting (first view).

[0026] Figure 8 is a structure diagram of the counterweight block and the bottom counterweight sealing plate of the utility model relates to a telescopic displacement sensor fixing device of repeatable dismounting (second view).

[0027] In the drawings

[0028] Action component 1;First bolt groove 2;Second bolt groove 3;Fixed component 4;First bolt hole 5;Connecting plate 6;Second bolt hole 7;Sensor fixing support 8;Counterweight block 9;Third bolt hole 10;Positioning groove 11;Positioning block 12;Bottom counterweight sealing plate 13;Fourth bolt hole 14. DETAILED DESCRIPTION

[0029] The utility model is further explained in detail below in combination with the drawings.

[0030] The embodiments are only used to explain the utility model, and are not used to limit the utility model, and the person skilled in the art can make the modification without the creative contribution according to the need after reading the specification, but as long as in the utility model's claim range all are protected by the patent law.

[0031] As Figures 1 to 6 The utility model provides a telescopic displacement sensor fixing device of repeatable dismounting, including action component 1, first adjusting bolt (not shown in the drawing), fixed component 4 and sensor fixed support 8, action component 1 with fixed component 4 swing joint, first adjusting bolt connects action component 1 with fixed component 4, sensor fixed support 8 is located on action component 1.

[0032] The utility model provides a telescopic displacement sensor fixing device of repeatable dismounting, in installation efficiency, traditional fixed mode time -consuming and labor -intensive, greatly shortens the whole time of remediation construction operation, and the device can be repeatedly dismounted, makes installation efficiency get substantial promotion, no longer because of the tedious installation process restricts construction progress, and the number of times of repeated dismounting can reach 1000 or more. Facing the complex terrain of different monitoring points, the traditional base is difficult to adapt to the height difference, the device realizes telescopic function through the relative position adjustment of action component 1 and fixed component 4, has very strong adaptability to complex terrain, can accurately install and effectively monitor regardless of the height variation of monitoring point.

[0033] In the aspect of cost control, the device is modularly designed, which not only simplifies the production and processing process and reduces the production cost, but also can be reused, reduces the consumption expenditure, and reduces the maintenance cost due to the simplification of the design. In addition, the device has good anti-seismic performance and stability, and can accurately monitor the ballast bed in complex environment, providing a solid guarantee for the safe operation of high-speed railway.

[0034] Specifically, the action component 1 and the fixed component 4 are provided in a cylindrical shape, and the action component 1 is inserted into the fixed component 4, so as to realize the swing connection of the action component 1 and the fixed component 4.

[0035] The swing connection mode of the action component 1 and the fixed component 4 can be selected and arranged according to the specific shape of the action component 1 and the fixed component 4. For example, when the action component 1 and the fixed component 4 are provided in a plate shape, a slide rail and a slide groove can be arranged between the action component 1 and the fixed component 4 to realize the swing connection in a sliding manner. In summary, any swing connection of the action component 1 and the fixed component 4 can be realized.

[0036] Further, the fixing member 4 is provided with a first bolt hole 5, the action member 1 is provided with a first bolt slot 2 arranged longitudinally, the first adjusting bolt is matched with the first bolt slot 2 after passing through the first bolt hole 5, and the relative position of the action member 1 and the fixing member 4 is adjusted by matching the first adjusting bolt with different positions of the first bolt slot 2.

[0037] In order to realize stable fixing, the first adjusting bolt, the first bolt hole 5 and the first bolt slot 2 are respectively provided with two, the first bolt hole 5 is arranged on the opposite sides of the fixing member 4, and the first bolt slot 2 is arranged on the opposite sides of the action member 1.

[0038] In order to realize the fixing of the sensor fixing support, the sensor fixing support 8 is provided with a second adjusting bolt (not shown in the figure), the action member 1 is provided with a second bolt slot 3, and the second adjusting bolt is matched with the second bolt slot 3.

[0039] Further, the sensor fixing support 8 is provided with two, and the corresponding second bolt slot 3 is provided with two, one of the two second bolt slots 3 is arranged transversely and used for measuring vertical displacement after installing the sensor, and the other is arranged vertically and used for measuring horizontal displacement after installing the sensor.

[0040] Regarding the specific form of the first bolt slot 2 and the second bolt slot 3, the following can be specifically implemented: a long strip-shaped slot body is arranged, and then a plurality of screw holes arranged along the length direction of the slot body are arranged in the slot body and used for matching with the bolt, or a long strip-shaped slot is directly arranged, the slot is composed of a plurality of connected circular holes, threads are arranged on the inner wall of the circular hole, and the plurality of circular holes are arranged in a linear type.

[0041] Further, the bottom of the fixing member 4 is connected with a counterweight 9.

[0042] In order to realize the convenient disassembly of the counterweight 9, the telescopic displacement sensor fixing device of the embodiment can be repeatedly disassembled, and further includes a connecting bolt (not shown in the figure) and a connecting nut (not shown in the figure), the fixing member 4 is provided with a second bolt hole 7, the counterweight 9 is provided with a third bolt hole 10, and the connecting bolt is matched with the connecting nut after passing through the second bolt hole 7 and the third bolt hole 10. On the one hand, the convenient disassembly of the counterweight 9 is realized, and on the other hand, the appropriate number of counterweights 9 can be selected according to the needs.

[0043] In order to facilitate the arrangement of the second bolt hole 7, the bottom of the fixing member 4 is provided with a connecting plate 6, and the second bolt hole 7 is arranged on the connecting plate 6.

[0044] In order to make the stable matching relationship between the multiple counterweights 9 when setting the multiple counterweights 9, the top of the counterweight 9 is provided with multiple positioning grooves 11, and the bottom is provided with multiple positioning blocks 12 which are pyramid-shaped or prism-shaped and correspond to the positions of the multiple positioning grooves 11. In this way, the positioning block 12 of the upper counterweight 9 is inserted into the positioning groove 11 of the lower counterweight 9, the positions of the upper and lower counterweights 9 are fixed, the structural stability is improved, and the positioning block 12 of the lowermost counterweight 9 is positioned at the installation position, so that the good installation stability effect is achieved.

[0045] Alternatively, the repeatedly dismountable telescopic displacement sensor fixing device of the embodiment can also be provided with a bottom counterweight sealing plate 13, the top of the bottom counterweight sealing plate 13 is provided with multiple positioning grooves 11 which are arranged according to the arrangement mode of the positioning blocks 12, the bottom sealing plate is provided with a fourth bolt hole 14, and the connecting nut is embedded in the fourth bolt hole 14. When installing the counterweight, the bottom counterweight sealing plate 13 is arranged at the bottom of the counterweight, so that the bottom of the counterweight structure is flat, and the installation of the fixing device is facilitated.

[0046] The displacement sensor installation process is as follows: connecting the action member 1 and the fixing member 4, connecting the fixing member 4 and the bottom counterweight 9, installing the sensor fixing bracket, leveling and ramming the installation site substrate, placing the displacement sensor fixing device, installing the sensor top iron on the measured part, adjusting the height of the action member 1, installing the displacement sensor, and starting the monitoring system.

[0047] The repeatedly dismountable telescopic displacement sensor fixing device provided by the embodiment comprises a fixing member 4 and an action member 1, the action member 1 and the fixing member 4 are connected and fixed through a first bolt hole 5 and a first bolt groove 2, the lower part of a connecting plate 6 is connected with a counterweight 9, a second bolt groove 3 is arranged on the upper left side of the action member 1 in a horizontal direction, and a second bolt groove 3 is arranged on the right side of the action member 1 in a vertical direction, a sensor fixing support 8 is installed through the cooperation of a second adjusting bolt and the second bolt groove 3, and the pointer of the sensor is on the top iron installed on the measured object.

[0048] In the embodiment, the repeatedly dismountable telescopic displacement sensor fixing device is assembled near the installation point, the action member 1 is inserted into the fixing member 4, the bolts are inserted from the first bolt holes 5 on the left and right sides, the overall support height is adjusted to the predetermined height, and then the first adjusting bolt is fastened.

[0049] In the embodiment, when the base is uneven, soft and of soil, the base is first leveled and rammed, and then the telescopic displacement sensor fixing device is installed on the base with the counterweight. When the base is of concrete structure, the counterweight 9 can be omitted, and the expansion bolt is used to connect the fixing member 4 with the concrete directly. The expansion bolt is installed on the corresponding position of the monitored object, and the L-shaped top iron is fixed.

[0050] In the embodiment, the first adjusting bolt of the action member 1 and the fixing member 4 is loosened, the height of the action member 1 is adjusted to the appropriate position, and then the first adjusting bolt is fastened. Then the displacement sensor is inserted into the sensor fixing support 8 through the second adjusting bolt, the top pin is pushed to the top iron and retracted by a certain distance, and the fixing screw is fastened. The monitoring power is turned on, the monitoring is checked and debugged, and the displacement sensor is installed.

[0051] The above description of the embodiments is for the purpose of facilitating the understanding and use of the present application by those skilled in the art, and those skilled in the art can easily make various modifications to the embodiments and apply the general principles described herein to other embodiments without creative labor. Therefore, the present application is not limited to the above embodiments, and the improvements and modifications made by those skilled in the art without departing from the scope of the present application should be within the scope of the present application.

Claims

1. A reusable telescopic displacement sensor fixing device, characterized in that, It includes an actuating component, a first adjusting bolt, a fixing component, and a sensor fixing support. The actuating component and the fixing component are movably connected. The first adjusting bolt connects the actuating component and the fixing component. The sensor fixing support is disposed on the actuating component.

2. The reusable telescopic displacement sensor fixing device according to claim 1, characterized in that, The actuating component and the fixing component are cylindrical, and the actuating component is inserted into the fixing component.

3. The reusable telescopic displacement sensor fixing device according to claim 1, characterized in that, The fixed component is provided with a first bolt hole, and the actuating component is provided with a first bolt groove arranged longitudinally. The first adjusting bolt passes through the first bolt hole and engages with the first bolt groove.

4. The reusable telescopic displacement sensor fixing device according to claim 3, characterized in that, The first adjusting bolt, the first bolt hole, and the first bolt groove are provided in twos respectively. The first bolt hole is located on opposite sides of the fixed member, and the first bolt groove is located on opposite sides of the moving member.

5. The reusable telescopic displacement sensor fixing device according to claim 1, characterized in that, The sensor mounting bracket is provided with a second adjusting bolt, and the actuating component is provided with a second bolt groove, the second adjusting bolt cooperating with the second bolt groove.

6. The reusable telescopic displacement sensor fixing device according to claim 5, characterized in that, The sensor mounting bracket has two parts, and the corresponding second bolt slot has two parts, one of which is horizontally arranged and the other is vertically arranged.

7. A reusable telescopic displacement sensor fixing device according to any one of claims 1 to 6, characterized in that, The bottom of the fixed component is connected to a counterweight.

8. The reusable telescopic displacement sensor fixing device according to claim 7, characterized in that, It also includes connecting bolts and connecting nuts. The fixing component is provided with a second bolt hole, and the counterweight is provided with a third bolt hole. The connecting bolt passes through the second bolt hole and the third bolt hole and then engages with the connecting nut.

9. The reusable telescopic displacement sensor fixing device according to claim 8, characterized in that, The bottom of the fixing component is provided with a connecting plate, and the second bolt hole is located on the connecting plate.

10. The reusable telescopic displacement sensor fixing device according to claim 7, characterized in that, The counterweight has multiple positioning slots at the top and multiple positioning blocks at the bottom, and the positioning blocks are set in a one-to-one correspondence with the positions of the multiple positioning slots. The positioning blocks are set in the shape of a pyramid or frustum, and the positioning slots and positioning blocks have the same shape.

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