Nonmetal vertical lifting test frame structure

Abstract

The utility model discloses a nonmetal vertical lifting test frame structure which comprises a movable base, a supporting bottom plate arranged at the top of the movable base, an electric roller and a telescopic rod assembly arranged at the top of the supporting bottom plate and connected with each other through a telescopic control rope, and a yarn combing assembly arranged at the top of the supporting bottom plate. The yarn combing assembly comprises a yarn combing support arranged on the top of the supporting bottom plate, a lead screw motor fixedly installed on the top of the yarn combing support, a sliding rail fixedly installed on the top of the yarn combing support, a sliding block in power connection with the output end of the lead screw motor and a yarn combing shaft rotationally installed on the sliding block. The sliding block is installed on the sliding rail in a sliding mode and slides along the sliding rail in a reciprocating mode under driving of the lead screw motor, and the telescopic control rope penetrates through the yarn combing shaft. According to the structure, lifting control can be conducted on the non-metal rod barrel, the wire arranging capacity and the telescopic length measuring capacity are good, the overall stability is good, the structure is simple and compact, lifting operation is easy and convenient, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of non-metal telescopic rods, in particular to a non-metal vertical lifting test frame structure. Background Art

[0002] In the RF, microwave electromagnetic environment characteristic test and some special test scenarios, it is necessary to raise the transmitting antenna to a certain height to reduce the reflection of electromagnetic waves by the ground, so as to accurately collect the radiated electromagnetic environment of the transmitting antenna. Currently, commonly used antenna support devices include multi-section cylinders, multi-mast devices, and integral guide rail structures. Multi-section cylinders and multi-mast devices have simple structures and are easy to lift, but their stiffness stability is poor and cannot meet the requirements of a stable fixed point of the antenna at any height. The invention patent with authorization announcement number CN108953899B discloses a non-metallic vertical lifting test device, including a movable base, on which a retractable test rod is provided, the test rod is movably arranged on the base, and the folding and unfolding of the test rod is realized by a test rod folding and unfolding mechanism, and the test rod is retracted and unfolded by a lifting drive mechanism, and retractable legs and fixing devices for fixing the base are symmetrically provided on both sides of the base. The device can effectively realize the functions of fixing the test instrument, automatically adjusting the lifting height, and flexible movement, and will not cause adverse effects on radio frequency microwave testing. However, the stability of the test rod is poor when it is extended to the highest point, and the drum is prone to chaotic wiring when winding and unwinding, requiring manual assistance in wiring operations. Manual wiring operations are very dangerous and labor-intensive. Utility Model Content

[0003] The purpose of the utility model is to provide a non-metallic vertical lifting test frame structure, which can not only control the lifting of the non-metallic rod barrel, but also has good wiring ability and telescopic length measurement ability, good overall stability, simple and compact structure, simple and convenient lifting operation, and strong practicality.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A non-metallic vertical lifting test frame structure comprises a movable base, a supporting base plate is detachably arranged on the top of the movable base, an electric roller and a telescopic rod assembly are arranged on the top of the supporting base plate, the electric roller is connected to the telescopic rod assembly by a telescopic control rope, and a combing wire assembly is also arranged on the top of the supporting base plate, the combing wire assembly comprises a combing wire bracket arranged on the top of the supporting base plate, a screw motor fixedly installed on the top of the combing wire bracket, a slide rail fixedly installed on the top of the combing wire bracket, a slider poweredly connected to the output end of the screw motor and a combing wire shaft rotatably installed on the slider, the slider is slidably installed on the slide rail, and slides back and forth along the slide rail under the drive of the screw motor, and the telescopic control rope passes through the combing wire shaft.

[0006] Preferably, the movable base includes a base body, lateral support legs arranged at both ends of the base body, universal wheels installed at the bottom of the cantilevered ends of the lateral support legs, and a lifting and fixing seat installed on the lateral support legs, and the supporting base plate is detachably installed on the top of the base body.

[0007] Preferably, an auxiliary support assembly is further provided on the top of the support base plate, and four groups of the auxiliary support assemblies are arranged at intervals along the circumference of the telescopic rod assembly.

[0008] Preferably, the auxiliary support assembly includes an auxiliary mounting seat, an auxiliary drive motor fixedly mounted on the top of the auxiliary mounting seat, a groove wheel fixedly mounted on the output shaft of the auxiliary drive motor, and a tensioning rope arranged in the groove wheel, and one end of the tensioning rope is arranged on the top of the telescopic rod assembly through a connecting piece.

[0009] Preferably, a tension sensor is provided on the connecting member, one end of the tension rope is connected to the tension sensor, and the tension sensor is used to measure the tension value when the tension rope is tensioned.

[0010] Preferably, a rolling counter is provided on the combing shaft, and the rolling counter is used to measure the length of the retractable control rope when it is retracted or released.

[0011] Preferably, the electric drum comprises a base bracket, a main driving reduction motor fixedly mounted on the top of the base bracket, and a drum fixedly mounted on the output shaft of the main driving reduction motor, and the telescopic control rope is wound around the drum.

[0012] Preferably, the telescopic rod assembly includes a plurality of non-metallic rod barrels which are sequentially socketed from the outside to the inside, and two adjacent non-metallic rod barrels are slidably connected via a guide slider, a guide pulley is provided at the top of the non-metallic rod barrel, and a transfer hole is provided at the bottom of the non-metallic rod barrel. The telescopic control rope passes through the guide pulley at the top of the outermost non-metallic rod barrel and then passes through the transfer hole at the bottom of the inner non-metallic rod barrel to the second guide pulley, and thus passes around the non-metallic rod barrels in sequence and is fixedly connected to the transfer hole at the bottom of the innermost.

[0013] Preferably, an oblique support rod is hingedly arranged on the top of the lateral support leg, and one end of the oblique support rod is hingedly arranged on the telescopic rod assembly.

[0014] In the utility model, the movable base can not only move the structure as a whole, but also fix it stably, and the support stability is good. On the one hand, the wire combing assembly can comb the wire when the electric drum is collecting the rope, so that the telescopic control rope can be neatly arranged on the electric drum, and the wire combing effect is good. On the other hand, the rolling counter can be used to measure the length of the rope when collecting and releasing the rope, and it is used to convert the height of the extension and retraction of the telescopic rod assembly to achieve accurate measurement. Four groups of auxiliary support assemblies are arranged in the circumference of the telescopic rod assembly, which can assist in fixing the telescopic rod assembly so that it has better stability after extension. The tension sensor can be used to control the tension of each auxiliary support assembly, and the value of the tension sensor can also be used to detect the stable state of the telescopic rod assembly after extension. The multi-stage non-metallic rod barrel can achieve stable lifting and lowering, and the rod barrel made of non-metallic material can be raised to a specified height, and the control operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the overall structure of the utility model in a contracted state;

[0016] Figure 2 This is a front view schematic diagram of the overall structure of the utility model in an extended state;

[0017] Figure 3 It is a schematic cross-sectional view of a local structure of the utility model;

[0018] Figure 4 Another partial structural diagram of the utility model;

[0019] Figure 5 This is a schematic diagram of the auxiliary support assembly structure of the utility model;

[0020] In the figure: 1. movable base; 2. supporting base plate; 3. electric roller; 4. telescopic rod assembly; 5. telescopic control rope; 6. combing assembly; 7. diagonal support rod; 8. auxiliary support assembly; 10. base body; 11. lateral support leg; 12. universal wheel; 13. lifting fixed seat; 30. basic bracket; 31. main drive reduction motor; 32. roller; 40. non-metallic rod barrel; 41. guide slider; 42. guide pulley; 43. transfer hole; 60. combing bracket; 61. screw motor; 62. slide rail; 63. slider; 64. combing shaft; 65. rolling counter; 80. auxiliary mounting seat; 81. auxiliary drive motor; 82. groove wheel; 83. tension rope; 84. connecting piece; 85. tension sensor. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A non-metallic vertical lifting test frame structure shown includes a movable base 1, the movable base 1 includes a base body 10, lateral support legs 11 arranged at both ends of the base body 10, universal wheels 12 fixedly installed at the bottom of the cantilevered end of the lateral support legs 11 by bolts, and a lifting fixed seat 13 fixedly installed on the lateral support legs 11 by fasteners, and a support base plate 2 is detachably installed on the top of the base body 10 by bolts. The lifting fixed seat 13 uses spiral lifting legs, four lifting fixed seats 13 are provided, and four universal wheels 12 are also provided. When it is necessary to move, the lifting fixed seat 13 does not touch the ground, and the structure is moved as a whole through the universal wheels 12. When it is necessary to fix, the four lifting fixed seats 13 are made to touch the ground and adjust the level, which has good support stability.

[0023] A support base plate 2 is detachably provided on the top of the movable base 1 by bolts, and an electric roller 3 and a telescopic rod assembly 4 are provided on the top of the support base plate 2. The electric roller 3 and the telescopic rod assembly 4 are connected by a telescopic control rope 5. The electric roller 3 includes a base bracket 30 fixedly mounted on the top of the support base plate 2, a main driving reduction motor 31 fixedly mounted on the top of the base bracket 30 by fasteners, and a roller 32 fixedly mounted on the output shaft of the main driving reduction motor 31, and one end of the telescopic control rope 5 is wound around the roller 32. The device also includes a controller, and the operator controls the forward rotation, reverse rotation and rotation speed of the main driving reduction motor 31 through the controller, which is used to control the lifting speed of the telescopic rod assembly 4.

[0024] The telescopic rod assembly 4 includes a plurality of non-metallic rod barrels 40 which are sleeved in sequence from the outside to the inside. The telescopic rod assembly 4 is specifically a 3-10-level telescopic structure, which can be adapted and manufactured according to the actual length to be extended. Two adjacent non-metallic rod barrels 40 are slidably connected by a guide slider 41, and the guide slider 41 is slidably connected to the outer wall of the non-metallic rod barrel 40 inside it. A guide pulley 42 is provided at the top of each non-metallic rod barrel 40, and a transfer hole 43 is provided at the bottom of the non-metallic rod barrel 40. After the telescopic control rope 5 passes through the guide pulley 42 at the top of the outermost non-metallic rod barrel 40, it passes through the transfer hole 43 at the bottom of the non-metallic rod barrel 40 on the inner side of the non-metallic rod barrel 40, along its outer wall, and then goes around to the second guide pulley 42 at the top of the non-metallic rod barrel 40. Toward the pulley 42, it passes around all the non-metallic rod barrels 40 in sequence and is fixedly connected to the transfer hole 43 at the bottom of the innermost non-metallic rod barrel 40. When the electric drum 3 drives the telescopic control rope 5 to wind, the multiple non-metallic rod barrels 40 located inside the outermost non-metallic rod barrel 40 are lifted together. When the electric drum 3 is controlled to rotate in the opposite direction, the telescopic control rope 5 is loosened in the opposite direction. Under the action of gravity, the multiple non-metallic rod barrels 40 located inside the outermost non-metallic rod barrel 40 descend together, thereby realizing the control of lifting and lowering.

[0025] A diagonal support rod 7 is hingedly provided at the top of the lateral support leg 11, and one end of the diagonal support rod 7 is hingedly provided on the telescopic rod assembly 4 through a pin shaft. Specifically, one end of the diagonal support rod 7 is hingedly connected to the outermost non-metallic rod tube 40, so as to improve the installation stability of the telescopic rod assembly 4.

[0026] A combing assembly 6 is also provided on the top of the support base plate 2. The combing assembly 6 includes a combing bracket 60 fixedly provided on the top of the support base plate 2 by fasteners, a lead screw motor 61 fixedly provided on the top of the combing bracket 60 by bolts, a slide rail 62 fixedly provided on the top of the combing bracket 60 by fasteners, a slider 63 connected to the output end of the lead screw motor 61 by power, and a combing shaft 64 rotatably provided on the slider 63 by a pin shaft. The slider 63 is slidably provided on the slide rail 62. Under the drive of the lead screw motor 61, the slider 63 reciprocates along the slide rail 62, and the telescopic control rope 5 passes through the combing shaft 64. A nut matched with the lead screw of the lead screw motor 61 is provided on the slider 63. The output shaft of the lead screw motor 61 is a lead screw. When the lead screw motor 61 is powered and rotated, the slider 63 can be driven to slide on the slide rail 62. During the lifting operation, under the synchronous control of the controller, the lead screw motor 61 drives the slider 63 to move synchronously with the position of the telescopic control rope 5 winding, ensuring the stability and orderliness of the combing line. In a preferred embodiment, a rolling counter 65 is fixedly arranged on the combing shaft 64. The rolling counter 65 is used to measure the length of the retractable control rope 5 to be collected or released. The rolling counter 65 transmits the number of turns measured by the rolling counter 65 to the controller according to the forward and reverse signals of the electric drum 3. The controller converts it into the length of the retractable control rope 5 to be collected or released. In this embodiment, the rolling counter 65 uses a mature product on the market, and it is not described in detail in this specification.

[0027] An auxiliary support assembly 8 is also fixedly arranged on the top of the support base plate 2, and four groups of auxiliary support assemblies 8 are arranged at intervals along the circumference of the telescopic rod assembly 4. The auxiliary support assembly 8 includes an auxiliary mounting seat 80 fixedly mounted on the top of the support base plate 2 by fasteners, an auxiliary drive motor 81 fixedly mounted on the top of the auxiliary mounting seat 80 by fasteners, a groove wheel 82 fixedly mounted on the output shaft of the auxiliary drive motor 81 by a coupling, and a tension rope 83 wound in the groove wheel 82, one end of the tension rope 83 is arranged on the top of the telescopic rod assembly 4 through a connecting member 84, specifically connected to the top of the rod barrel 40 located at the center of the telescopic rod assembly 4. A tension sensor 85 is arranged on the connecting member 84, one end of the tension rope 63 is connected to the tension sensor 9, and the other end of the tension sensor 9 is connected to the connecting member 8. The tension sensor 85 is used to measure the tension value when the tension rope 83 is tensioned, and the controller judges the stability of the telescopic rod assembly 4 after extension according to the tension value of the tension sensor 85.

[0028] The above embodiments are only some descriptions of the concept and implementation of the utility model, and are not intended to limit the concept and implementation of the utility model. Under the concept of the utility model, technical solutions that have not been substantially changed are still within the scope of protection.

Claims

1. A non-metallic vertical lifting test frame structure, comprising a movable base, a support base plate detachably arranged on the top of the movable base, an electric roller and a telescopic rod assembly arranged on the top of the support base plate, the electric roller and the telescopic rod assembly are connected by a telescopic control rope, characterized in that: A combing wire assembly is also arranged on the top of the supporting base plate, and the combing wire assembly includes a combing wire bracket arranged on the top of the supporting base plate, a screw motor fixedly installed on the top of the combing wire bracket, a slide rail fixedly installed on the top of the combing wire bracket, a slider poweredly connected to the output end of the screw motor, and a combing wire shaft rotatably installed on the slider, the slider is slidably installed on the slide rail, and reciprocates along the slide rail under the drive of the screw motor, and the telescopic control rope passes through the combing wire shaft.

2. The non-metallic vertical lifting test frame structure according to claim 1 is characterized in that: The movable base includes a base body, lateral support legs arranged at both ends of the base body, universal wheels installed at the bottom of the cantilevered ends of the lateral support legs, and a lifting and fixing seat installed on the lateral support legs. The supporting bottom plate is detachably installed on the top of the base body.

3. The non-metallic vertical lifting test frame structure according to claim 1 or 2, characterized in that: An auxiliary support assembly is also arranged on the top of the support base plate, and four groups of the auxiliary support assemblies are arranged at intervals along the circumference of the telescopic rod assembly.

4. The non-metallic vertical lifting test frame structure according to claim 3 is characterized in that: The auxiliary support assembly includes an auxiliary mounting seat, an auxiliary drive motor fixedly mounted on the top of the auxiliary mounting seat, a groove wheel fixedly mounted on the output shaft of the auxiliary drive motor, and a tensioning rope arranged in the groove wheel, and one end of the tensioning rope is arranged on the top of the telescopic rod assembly through a connecting piece.

5. The non-metallic vertical lifting test frame structure according to claim 4 is characterized in that: A tension sensor is arranged on the connecting piece, one end of the tension rope is connected to the tension sensor, and the tension sensor is used to measure the tension value when the tension rope is tensioned.

6. The non-metallic vertical lifting test frame structure according to claim 1 or 5, characterized in that: A rolling counter is arranged on the combing shaft, and the rolling counter is used to measure the length of the retractable control rope when it is retracted or released.

7. The non-metallic vertical lifting test frame structure according to claim 1 is characterized in that: The electric roller comprises a base bracket, a main driving reduction motor fixedly mounted on the top of the base bracket, and a roller fixedly mounted on the output shaft of the main driving reduction motor, and the telescopic control rope is wound around the roller.

8. The non-metallic vertical lifting test frame structure according to claim 1 or 7, characterized in that: The telescopic rod assembly includes a plurality of non-metallic rod barrels which are sequentially sleeved from the outside to the inside, and two adjacent non-metallic rod barrels are slidably connected via a guide slider, a guide pulley is provided at the top of the non-metallic rod barrel, and a transfer hole is provided at the bottom of the non-metallic rod barrel. The telescopic control rope passes through the guide pulley at the top of the outermost non-metallic rod barrel and then passes through the transfer hole at the bottom of the inner non-metallic rod barrel to the second guide pulley, and then passes around the non-metallic rod barrels in sequence and is fixedly connected to the transfer hole at the bottom of the innermost.

9. The non-metallic vertical lifting test frame structure according to claim 2 is characterized in that: An oblique support rod is hingedly arranged on the top of the lateral support leg, and one end of the oblique support rod is hingedly arranged on the telescopic rod assembly.

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