CN214894477U - Height-adjustable foundation support for loading test - Google Patents
Height-adjustable foundation support for loading test Download PDFInfo
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- CN214894477U CN214894477U CN202121308711.7U CN202121308711U CN214894477U CN 214894477 U CN214894477 U CN 214894477U CN 202121308711 U CN202121308711 U CN 202121308711U CN 214894477 U CN214894477 U CN 214894477U
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Abstract
The utility model discloses a basic support that loading test of adjustable height used, including basic base, be equipped with at least one flexible member on the basic base, the upper portion of flexible member is equipped with the leveling subassembly, be equipped with ball supporting component on the leveling subassembly. The utility model discloses the height of basic support can be adjusted in a flexible way, and easy operation, convenient are applicable to different tube coupling structure height, and basic support can used repeatedly many times, improves the utilization ratio of basic support. The foundation support can be accurately leveled through the leveling assembly, the operation is simple and convenient, and the accuracy of the pipe joint structure test is ensured.
Description
Technical Field
The utility model relates to a pipe coupling load test technical field especially indicates a basic support that load test of adjustable height used.
Background
In order to research the mechanical characteristics, the bearing capacity and the deformation capacity of the pipe joint structure, a pipe joint structure loading test is usually carried out indoors or on site, and horizontal loading is usually adopted for the pipe joint loading test due to the simple design and the reliable system of a horizontal loading system. For example, a horizontal loading test system and a horizontal loading test method for the bearing capacity performance of a horseshoe-shaped shield segment structure with the publication number of CN 108663271B. During horizontal loading, in order to ensure that the pipe joint structure is in a horizontal state in the test process and ensure that the ring width center of the pipe joint structure is positioned at the center of the oil cylinder loading plate, basic supports are required to be placed at the bottom of the pipe joint structure at certain intervals.
The current basic support has the following technical defects: (1) at present, the conventional base support is a base support with fixed height customized according to the specific size of a pipe joint structure for testing and the central position of an oil cylinder loading beam, and the height of the support cannot be adjusted. Because the height of the cylinder load beam is generally fixed, when structural members with different heights are encountered, the customized base support is not suitable any more. (2) The ground of a test site is difficult to be absolutely level, the basic support needs to be leveled, the height of the conventional basic support cannot be adjusted during leveling, and only objects such as a steel plate and the like can be cushioned under the support to be leveled, so that the operation is inconvenient, the leveling precision is low, and the test result is influenced. (3) During horizontal loading, the duct piece needs to be placed above the foundation support, and in the loading process, when the pipe joint structure deforms and displaces, the friction force between the lower end face of the pipe joint and the foundation support is large, the structure cannot freely deform in any direction, and the precision of a test result is influenced. At present, the most common measure of friction reduction is to coat a lubricant on the surface of a steel force transmission base plate or arrange a one-way rolling shaft device, the friction reduction effect of the two methods is common, the abrasion of the bottom of a pipe joint structure is serious, and the error of a loading test is increased.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a basic support that loading test of adjustable height used for solve above-mentioned technical problem.
The technical scheme of the utility model is realized like this: the utility model provides a basic support that loading test of adjustable height used, includes basic base, is equipped with at least one flexible member on the basic base, and the upper portion of flexible member is equipped with the leveling subassembly, be equipped with ball supporting component on the leveling subassembly.
Preferably, the base is a space symmetry structure, and two telescopic rods are symmetrically arranged on the base and connected through a ball support assembly. The telescopic rod piece comprises a fixed supporting leg and a movable supporting leg, the fixed supporting leg is fixed on the base, and the movable supporting leg is sleeved in the fixed supporting leg and is in adjustable connection with the fixed supporting leg.
The fixed supporting leg is provided with a plurality of first fixing holes, the movable supporting leg is provided with a plurality of second fixing holes, and the movable supporting leg is fixedly connected with the fixed supporting leg through fastening bolts penetrating through the first fixing holes and the second fixing holes. The vertical interval of first fixed orifices equals with the vertical interval of second fixed orifices, and the hoop interval of first fixed orifices equals with the hoop interval of second fixed orifices to fastening bolt connects.
The leveling assembly comprises a leveling stud sleeve and a leveling sleeve, the leveling stud sleeve is sleeved on the upper portion of the telescopic rod piece, the leveling sleeve is fixed to the bottom of the ball bearing support assembly, and the leveling sleeve is in threaded connection with the leveling stud sleeve. Specifically, an axial blind hole is formed in the lower portion of the leveling stud sleeve, the axial blind hole is sleeved on a movable supporting leg of the telescopic rod piece, an external thread is arranged on the upper portion of the leveling stud sleeve, an internal thread is arranged inside the leveling sleeve, and the external thread is matched with the internal thread.
The ball supporting assembly comprises an upper supporting beam, a tray for bearing balls is arranged in the upper supporting beam, and the tray is fixed on the upper supporting beam. The tops of the balls are higher than the top of the tray, and the balls are arranged on the tray in a row rolling mode.
When the device is used, a force transmission base plate can be arranged between the loaded ball and the pipe joint structure according to the condition.
The utility model has the advantages as follows: (1) the height of the basic support can be flexibly adjusted, the operation is simple and convenient, the device is suitable for different pipe joint structure heights, the basic support can be repeatedly used for many times, and the utilization rate of the basic support is improved. (2) The foundation support can be accurately leveled through the leveling assembly, the operation is simple and convenient, and the accuracy of the pipe joint structure test is ensured. (3) The ball supporting component is arranged above the base support, so that the pipe joint structure can be freely deformed in any direction under the action of oil cylinder load, and friction is reduced. (4) The material of the basic support is easy to obtain, the processing is simple, the manufacturing cost is low, and the operation is simple.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is the schematic view of the assembly state of the basic support of the present invention.
Fig. 2 is the utility model discloses the basis support supports section of jurisdiction state sketch map.
Fig. 3 is an exploded view of a base support in example 3.
Fig. 4 is a schematic view of a foundation support supporting a circular pipe section.
FIG. 5 is a schematic view of a base support supporting a rectangular pipe section.
Fig. 6 is a schematic view of the foundation support supporting the horseshoe pipe section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, in embodiment 1, a base support for a loading test with an adjustable height includes a base 1, at least one telescopic rod is arranged on the base 1, the height of the telescopic rod is adjustable, a leveling component is arranged on the upper portion of the telescopic rod, and a ball support component is arranged on the leveling component. The leveling component is used for adjusting the supporting angle of the ball supporting component, the ball supporting component is used for supporting the pipe joint structure, rolling support is achieved through balls, and the pipe joint structure can deform freely in any direction under the action of oil cylinder load.
Further, by taking the upper and lower two-stage extension as an example, when the height adjusting range of the base support needs to be enlarged, a plurality of stages of movable support legs can be arranged. Specifically, flexible member includes fixed landing leg 2 and activity landing leg 3, and fixed landing leg 2 is fixed on basic base 1, and fixed landing leg is sleeve structure, and inside cavity. The movable supporting leg 3 is sleeved in the fixed supporting leg 2 and is in adjustable connection with the fixed supporting leg 2. The upper and lower landing legs are fixed by the aid of the bidirectional short bolts, the short bolts on the same layer do not influence each other, and strength of the foundation support is improved. Specifically, a plurality of first fixing holes 2-1 are formed in the fixed supporting leg 2, and the first fixing holes are uniformly arranged along the circumferential direction and the vertical direction; a plurality of second fixing holes 3-1 are formed in the movable supporting leg 3, and the second fixing holes 3-1 are uniformly arranged along the circumferential direction and the vertical direction. The movable supporting legs 3 are fixedly connected through fastening bolts 7 penetrating through the first fixing holes 2-1 and the second fixing holes 3-1, the initial rough adjustment of the height of the movable supporting legs is achieved by adjusting the positions of the movable supporting legs in the fixed supporting legs, and then the movable supporting legs are fixed through the fastening bolts. The vertical distance of the first fixing holes 2-1 is equal to the vertical distance of the second fixing holes 3-1, the circumferential distance of the first fixing holes 2-1 is equal to the circumferential distance of the second fixing holes 3-1, rapid matching of the first fixing holes and the second fixing holes at any angle is achieved, and rapid connection and fixation of fastening bolts are facilitated. After the drill holes in the fixed supporting leg 2 and the movable supporting leg 3 are aligned, the fixed supporting leg and the movable supporting leg are respectively fixed by bolts 7 in four directions, so that the movable supporting leg is prevented from sliding downwards, and the length of the bolts 7 is smaller than the radius of the inner edge of the movable supporting leg 3, so that the bolts in the four directions do not conflict with each other.
As shown in fig. 2, in embodiment 2, a base pedestal 1 of a base pedestal for a height-adjustable loading test is a space-symmetric structure, preferably an i-shaped, rectangular, or circular symmetric shape, and in this embodiment, the base pedestal is an i-shaped pedestal, that is, the base pedestal is an i-shaped or other stable shape pedestal formed by welding hollow steel boxes, and the steel boxes are welded by steel plates. Two telescopic rod pieces are symmetrically arranged on the base, and fixed supporting legs of the two telescopic rod pieces are welded on the I-shaped seat. The upper parts of the movable supporting legs of the two telescopic rod pieces are provided with leveling assemblies, and then the leveling assemblies of the two telescopic rod pieces are connected through a ball supporting assembly and matched with a base to form a frame-shaped support, so that the supporting stability is improved.
Furthermore, the leveling component comprises a leveling stud sleeve 4 sleeved on the upper portion of the telescopic rod piece and a leveling sleeve 5 fixed at the bottom of the ball bearing support component, namely the leveling stud sleeve is rotatably arranged at the top of the movable supporting leg and can rotate relative to the movable supporting leg without generating vertical displacement. The leveling sleeve is welded at the bottom of the upper support beam of the ball support assembly, and the leveling sleeve 5 is in threaded connection with the leveling stud sleeve 4. When in use, the leveling stud sleeve 4 can be screwed into the leveling sleeve 5 by rotating. And after the movable supporting legs 3 are moved to finish the rough height adjustment of the basic supporting seat, the height fine adjustment and leveling are finished by rotating the leveling stud sleeve 4. The height of the leveling sleeve 5 is not less than the distance between the openings of the supporting legs so as to ensure that the height of the foundation support can be continuously adjusted. Preferably, the lower part of the leveling stud sleeve 4 is provided with an axial blind hole, the axial blind hole is sleeved on the movable supporting leg 3 of the telescopic rod piece, and the diameter of the axial blind hole is slightly larger than the outer diameter of the movable supporting leg, so that the leveling stud sleeve can be easily rotated. The upper part of the leveling stud sleeve 4 is provided with an external thread, the interior of the leveling sleeve 5 is provided with an internal thread, and the external thread is matched with the internal thread. The height of the leveling sleeve is adjusted along the axial direction by rotating the leveling stud sleeve, and the leveling of the ball bearing assembly is carried out.
Further, the ball support assembly comprises an upper support beam 6, the upper support beam 6 is a box-shaped structure formed by welding steel plates, a tray 8 for bearing balls 9 is arranged in the upper support beam 6 to simulate a rolling support, and the tray 8 is fixed on the upper support beam 6. The tops of the balls 9 are higher than the top of the tray 8, and the balls 9 are arranged on the tray 8 in a row and column rolling manner. According to the diameter of the ball, the pipe joint structure can be directly placed on the ball 9, so that the pipe joint structure can be freely deformed in any direction under the load action of the oil cylinder, and friction is reduced. The other structure is the same as embodiment 1.
As shown in fig. 3, example 3: a force transmission base plate 10 is arranged between a bearing ball 9 and a pipe joint structure 11. The force transmission base plate is placed on the ball, so that the supporting strength of the pipe joint structure is improved.
The other structure is the same as embodiment 2.
As shown in figures 4-6, during the tube coupling loading test, the basic support is supported in the tube coupling structure lower part at intervals, and the tube coupling structural style can be circular, rectangular, quasi-rectangular, horseshoe-shaped and the like, and the support is flexible, simple and convenient to operate, applicable to different tube coupling structural heights, and the basic support can be repeatedly used for many times, so that the device utilization rate is increased.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a basic support that loading test of adjustable height used which characterized in that: the device comprises a base (1), wherein at least one telescopic rod piece is arranged on the base (1), a leveling component is arranged on the upper portion of the telescopic rod piece, and a ball supporting component is arranged on the leveling component.
2. The adjustable height foundation support for load testing of claim 1, wherein: the foundation base (1) is of a space symmetrical structure, two telescopic rods are symmetrically arranged on the foundation base and are connected through a ball supporting assembly.
3. The adjustable height foundation support for load testing of claim 1 or 2, wherein: the telescopic rod comprises a fixed supporting leg (2) and a movable supporting leg (3), the fixed supporting leg (2) is fixed on the base (1), and the movable supporting leg (3) is sleeved in the fixed supporting leg (2) and is adjustably connected with the fixed supporting leg (2).
4. The adjustable height foundation support for load testing of claim 3, wherein: the movable supporting leg is characterized in that a plurality of first fixing holes (2-1) are formed in the fixed supporting leg (2), a plurality of second fixing holes (3-1) are formed in the movable supporting leg (3), and the movable supporting leg (3) is fixedly connected with a fastening bolt (7) penetrating through the first fixing holes (2-1) and the second fixing holes (3-1).
5. The adjustable height foundation support for load testing of claim 4, wherein: the vertical distance of the first fixing holes (2-1) is equal to the vertical distance of the second fixing holes (3-1), and the circumferential distance of the first fixing holes (2-1) is equal to the circumferential distance of the second fixing holes (3-1).
6. The adjustable height foundation support for load testing of claim 1 or 2 or 4 or 5, wherein: the leveling assembly comprises a leveling stud sleeve (4) sleeved on the upper portion of the telescopic rod piece and a leveling sleeve (5) fixed at the bottom of the ball bearing support assembly, and the leveling sleeve (5) is in threaded connection with the leveling stud sleeve (4).
7. The adjustable height foundation support for load testing of claim 6, wherein: an axial blind hole is formed in the lower portion of the leveling stud sleeve (4), the axial blind hole is sleeved on the movable supporting leg (3) of the telescopic rod piece, an external thread is arranged on the upper portion of the leveling stud sleeve (4), an internal thread is arranged inside the leveling sleeve (5), and the external thread is matched with the internal thread.
8. The adjustable height foundation support for load testing of claim 1 or 2 or 4 or 7, wherein: the ball support assembly comprises an upper support beam (6), a tray (8) used for bearing balls (9) is arranged in the upper support beam (6), and the tray (8) is fixed on the upper support beam (6).
9. The adjustable height foundation support for load testing of claim 8, wherein: the tops of the balls (9) are higher than the top of the tray (8), and the balls (9) are arranged on the tray (8) in a row and column rolling manner.
10. The adjustable height foundation support for load testing of claim 9, wherein: a force transmission backing plate (10) is arranged between the loaded ball (9) and the pipe joint structure (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308711.7U CN214894477U (en) | 2021-06-11 | 2021-06-11 | Height-adjustable foundation support for loading test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308711.7U CN214894477U (en) | 2021-06-11 | 2021-06-11 | Height-adjustable foundation support for loading test |
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| Publication Number | Publication Date |
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| CN214894477U true CN214894477U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121308711.7U Active CN214894477U (en) | 2021-06-11 | 2021-06-11 | Height-adjustable foundation support for loading test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910231A (en) * | 2022-05-13 | 2022-08-16 | 安徽丰士通电子科技有限公司 | Vibration testing machine for whole box product |
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2021
- 2021-06-11 CN CN202121308711.7U patent/CN214894477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910231A (en) * | 2022-05-13 | 2022-08-16 | 安徽丰士通电子科技有限公司 | Vibration testing machine for whole box product |
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