CN210480795U - Jack supporting device suitable for dynamic characteristic test of shock insulation building structure - Google Patents
Jack supporting device suitable for dynamic characteristic test of shock insulation building structure Download PDFInfo
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- CN210480795U CN210480795U CN201921322367.XU CN201921322367U CN210480795U CN 210480795 U CN210480795 U CN 210480795U CN 201921322367 U CN201921322367 U CN 201921322367U CN 210480795 U CN210480795 U CN 210480795U
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Abstract
The utility model discloses a jack supporting device suitable for a dynamic characteristic test of a shock insulation building structure, which comprises a first supporting plate, a second supporting plate, a horizontal screw rod and a lifting leveling component; the first supporting plate and the second supporting plate are arranged in parallel; the horizontal screw rods are provided with a plurality of screws, one end of each screw rod is fixed on the side wall of the first supporting plate, and the other end of each screw rod penetrates through the second supporting plate in a sliding mode; the upper ends of the first supporting plate and the second supporting plate are respectively provided with an arc-shaped groove, and the lower ends of the first supporting plate and the second supporting plate are respectively provided with a plurality of lifting leveling assemblies. The utility model provides a jack strutting arrangement adjusts the distance of second backup pad and first backup pad through horizontal screw, utilizes lift leveling subassembly to first backup pad and second backup pad lift leveling simultaneously, makes the utility model discloses a different models's jack can be placed to strutting arrangement to be applicable to the different model jacks of chooseing for use among the shock insulation building test.
Description
Technical Field
The utility model relates to a jack strutting arrangement especially relates to a jack strutting arrangement suitable for shock insulation building structure dynamic characteristic test is experimental.
Background
In China, particularly in high-intensity earthquake areas, the proportion of construction projects adopting the seismic isolation technology to new projects is increasing day by day. However, it is unknown whether the actual seismic isolation performance of the seismic isolation building meets the relevant requirements and the set target of the specification and design. It is therefore essential to verify the seismic isolation performance of the structure by in situ physical testing of the seismic isolation building.
The dynamic characteristics of the structure comprise the natural vibration frequency, the vibration mode, the damping ratio and the like of the structure, and are decisive factors of the response of the structure under the action of an earthquake. The existing structure dynamic characteristic test method mainly comprises an environmental excitation method, an initial displacement method, a steady-state sine excitation method and the like, and different test methods can be selected according to the required purpose. The initial displacement test method is a test method for applying a certain degree of initial displacement to a test structure, then releasing suddenly to enable the shock insulation structure to generate free vibration, and further measuring the dynamic performance of the structure. The method has the characteristics of strong applicability, controllability, flexibility and the like. Based on the existing research, the initial displacement test method is a direct and effective test method for exploring the actual shock insulation performance of a shock insulation building.
At present, the key technology of the initial displacement test method is initial displacement application and unloading. The initial displacement applying device mainly adopts a hydraulic jack, and the jacking head of the hydraulic jack pushes the shock insulation building to generate the set horizontal displacement required by the test. However, for seismic isolation buildings with different volumes, the initial displacement applied is different, namely hydraulic jacks with different lifting weights and different stroke heights are selected according to the test requirements. Meanwhile, in the initial displacement test method of the shock insulation building, the hydraulic jacks are all arranged horizontally.
However, the hydraulic jack support device used in the existing test is generally a temporarily fixed simple welded steel frame or a masonry platform, and the size specification of the hydraulic jack support device can only be suitable for a certain specific type of jack. When different initial displacements of different sizes are applied to different shock insulation buildings, different types of supporting devices are often required to be manufactured again, so that the existing supporting devices are difficult to recycle and poor in applicability; and unnecessary waste of manpower and material resources is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a jack strutting arrangement suitable for shock insulation building structure dynamic characteristic test is experimental, this jack strutting arrangement can install the jack of different models fast when shock insulation building structure dynamic characteristic test, utilizes jack to exert the initial displacement of certain degree to the shock insulation building, practices thrift manpower and materials.
In order to realize the above purpose, the utility model discloses a technical scheme:
a jack support device suitable for a dynamic characteristic test of a shock insulation building structure comprises a first support plate, a second support plate, a horizontal screw and a lifting leveling component;
the first supporting plate and the second supporting plate are arranged in parallel; the horizontal screw rods are provided with a plurality of screws, one end of each screw rod is fixed on the side wall of the first supporting plate, and the other end of each screw rod penetrates through the second supporting plate in a sliding mode; the upper ends of the first supporting plate and the second supporting plate are provided with arc-shaped grooves, and the lower ends of the first supporting plate and the second supporting plate are provided with a plurality of lifting leveling assemblies.
The utility model discloses in, the lateral wall at jack both ends is placed on the arc wall of first backup pad and second backup pad, adjusts the distance between second backup pad and the first backup pad through horizontal screw, makes the utility model discloses a support arrangement can place the jack of different length, places the jack of different models promptly, utilizes the lift leveling subassembly to go up and down the leveling to the jack simultaneously, develops test under different site conditions.
Further, the lifting leveling assembly comprises a lifting screw, a lifting adjusting nut and a supporting cylinder; lifting screw top fixed connection first backup pad or second backup pad, lifting screw wear to establish in the lift adjustment nut and with lift adjustment nut screw-thread fit, lift adjustment nut installs support section of thick bamboo upper end.
When testing the dynamic characteristics of the seismic isolation building structure, the jack is required to apply a set horizontal initial displacement smoothly, however, the ground of a test site is often uneven, so that the leveling treatment needs to be carried out on the jack supporting device to enable the jack to apply a horizontal thrust smoothly. The utility model discloses in, lifting screw and lift adjusting nut constitute ball screw, change lifting screw's rotary motion into lifting screw's linear motion to this realizes supporting height's lift and leveling among the strutting arrangement.
Further, the lifting adjusting nut comprises a mechanical adjusting nut at the top end, a handheld adjusting knob in the middle and a positioning cylinder at the bottom end; the outer side wall of the positioning cylinder is provided with a positioning groove along the circumferential direction of the positioning cylinder; the side wall of the upper end of the supporting cylinder is provided with a threaded hole, and a nut limiting bolt penetrates through the threaded hole to be embedded into the positioning groove.
The mechanical adjusting nut, the handheld adjusting knob and the positioning barrel are of an integrated structure, an operator adjusts the height of the lifting screw through the handheld adjusting knob in the middle, or the mechanical adjusting nut is rotated through a wrench to adjust the height of the lifting screw, the nut limiting bolt is limited to the lifting adjusting nut, the lifting adjusting nut is circumferentially rotated and radially fixed, namely, the lifting adjusting nut can only rotate and cannot vertically move, and therefore the supporting plate can be conveniently lifted and leveled.
Further, all be equipped with the bolt mounting panel on the first backup pad or the second backup pad up end at both ends about the arc wall, install jack fixing bolt towards the arc wall direction on the bolt mounting panel to through setting up jack fixing bolt, be convenient for fix the hydraulic jack of different diameter cylinder bodies.
Furthermore, a pair of horizontal adjusting nuts for fixing the second supporting plate is arranged on the horizontal screw rod, and the second supporting plate on the horizontal screw rod is fixed so as to support the jack on the horizontal screw rod.
Furthermore, horizontal bubbles are arranged on the upper end surfaces of the first supporting plate and the second supporting plate and used for measuring the inclination of the first supporting plate and the second supporting plate relative to the horizontal position, and the leveling processing of the first supporting plate and the second supporting plate is realized through the lifting leveling assembly.
The utility model has the advantages that:
the utility model provides a jack strutting arrangement adjusts the distance of second backup pad and first backup pad through horizontal screw rod, utilizes the lift leveling subassembly to go up and down the leveling to first backup pad and second backup pad simultaneously, makes the utility model discloses a strutting arrangement can place the jack of different models, utilizes the jack of different models to test to different shock insulation building; meanwhile, the structure is simple, the installation and the use are convenient, and the jack can be widely applied to various operation occasions of jacks of different models.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is an exploded view of the lifting leveling assembly of the present invention;
in the figure: 1. a first support plate; 2. a second support plate; 3. a horizontal screw; 4. a lifting leveling component; 41. a lifting screw; 42. a lifting adjusting nut; 421. a mechanical adjusting nut; 422. a hand-held adjusting knob; 423. a positioning cylinder; 424. positioning a groove; 43. a support cylinder; 431. a threaded hole; 44. a nut limit bolt; 5. an arc-shaped slot; 6. mounting a bolt plate; 7. a jack fixing bolt; 8. a horizontal adjusting nut; 9. horizontal bubbles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A jack supporting device suitable for a dynamic characteristic test of a shock insulation building structure is shown in a figure 1-2 and comprises a first supporting plate 1, a second supporting plate 2, a horizontal screw rod 3 and a lifting leveling component 4;
the first supporting plate 1 and the second supporting plate 2 are arranged in parallel; four horizontal screw rods 3 are arranged, one end of each horizontal screw rod is fixed on the side wall of the first supporting plate 1, and the other end of each horizontal screw rod penetrates through the second supporting plate 2 in a sliding mode; the upper ends of the first supporting plate 1 and the second supporting plate 2 are respectively provided with an arc-shaped groove 5, and the lower ends of the first supporting plate and the second supporting plate are respectively provided with two lifting leveling components 4.
When the device is used specifically, the second support plate 2 slides along the horizontal screw rod 3, and the distance between the second support plate 2 and the first support plate 1 is adjusted; lifting and leveling components 4 at the lower ends of the first supporting plate 1 and the second supporting plate 2 are adjusted to lift the first supporting plate 1 and the second supporting plate 2 to a proper height and level; the side walls at the two ends of the jack are placed on the arc-shaped grooves 5 of the first supporting plate 1 and the second supporting plate 2 to support the jack.
Example 2
The embodiment is further improved on the basis of embodiment 1, as shown in fig. 1-3, the lifting leveling assembly 4 comprises a lifting screw 41, a lifting adjusting nut 42 and a supporting cylinder 43; the top end of the lifting screw rod 41 is fixedly connected with the first support plate 1 or the second support plate 2, the lifting screw rod 41 is arranged in the lifting adjusting nut 42 in a penetrating manner and is in threaded fit with the lifting adjusting nut 42, and the lifting adjusting nut 42 is arranged at the upper end of the support cylinder 43.
The lifting adjusting nut 42 comprises a mechanical adjusting nut 421 at the top end, a handheld adjusting knob 422 in the middle and a positioning cylinder 423 at the bottom end; the outer side wall of the positioning cylinder 423 is provided with a positioning groove 424 along the circumferential direction of the positioning cylinder 423; a threaded hole 431 is formed in the side wall of the upper end of the supporting cylinder 43, and the nut limiting bolt 44 penetrates through the threaded hole 431 and is embedded into the positioning groove 424.
During specific use, an operator can adjust the height of the lifting screw rod 41 through the middle handheld adjusting knob 422, or rotate the mechanical adjusting nut 421 through a wrench to adjust the height of the lifting screw rod 41, so that the rotating motion of the lifting adjusting nut 42 is changed into the linear motion of the lifting screw rod 41, and the supporting device is subjected to lifting and leveling treatment, so that the jack can be installed conveniently.
Example 3
In this embodiment, a further improvement is made on the basis of embodiment 1 or 2, as shown in fig. 1-3, bolt mounting plates 6 are respectively disposed on the upper end surfaces of the first support plate 1 or the second support plate 2 at the left and right ends of the arc-shaped groove 5, and a jack fixing bolt 7 is mounted on the bolt mounting plates 6 in the direction toward the arc-shaped groove 5; a pair of horizontal adjusting nuts 8 for fixing the second supporting plate 2 are arranged on the horizontal screw rod 3; horizontal air bubbles 9 are arranged on the upper end surfaces of the first supporting plate 1 and the second supporting plate 2.
When the device is used specifically, the jack in the arc-shaped groove 5 is fixed by rotating the jack fixing bolt 7; the second supporting plate 2 is fixed through a horizontal adjusting nut 8, and the distance from the second supporting plate to the first supporting plate 1 is controlled; by means of the horizontal bubble 9, the inclination of the first support plate 1 and the second support plate 2 with respect to the horizontal position is measured.
For better understanding of the present invention, the following description is made in conjunction with the above embodiments to describe the working principle of the present invention completely:
after confirming the jack to be supported, firstly sliding the second support plate 2 along the horizontal screw rod 3, adjusting the distance between the second support plate 2 and the first support plate 1, and fixing the second support plate 2 by using a horizontal adjusting nut 8; then, the height of the lifting screw rod 41 is adjusted by holding an adjusting knob 422 by hand, or the height of the lifting screw rod 41 is adjusted by rotating a mechanical adjusting nut 421 by a wrench, so that the first supporting plate 1 and the second supporting plate 2 on the lifting leveling component 4 are adjusted to be at proper heights; secondly, the horizontal bubbles 9 are observed, the lifting leveling component 4 is finely adjusted, and the first supporting plate 1 and the second supporting plate 2 are leveled; then, two ends of a jack to be fixed are placed in the arc-shaped grooves 5 on the first supporting plate 1 and the second supporting plate 2; finally, the jack fixing bolt 7 is rotated to fix the jack in the arc-shaped groove 5.
The utility model provides a jack strutting arrangement also extensively is applicable to other occasions that need support not equidimension jack, supports the jack.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a jack strutting arrangement suitable for shock insulation building structure dynamic characteristic test is experimental which characterized in that: comprises a first supporting plate (1), a second supporting plate (2), a horizontal screw (3) and a lifting leveling component (4);
the first supporting plate (1) and the second supporting plate (2) are arranged in parallel; the horizontal screw rods (3) are provided with a plurality of screws, one end of each screw rod is fixed on the side wall of the first supporting plate (1), and the other end of each screw rod penetrates through the second supporting plate (2) in a sliding manner; first backup pad (1) and second backup pad (2) upper end all are equipped with arc wall (5), and the lower extreme is all installed a plurality ofly go up and down leveling subassembly (4).
2. The jack support device suitable for the dynamic characteristic test of the seismic isolation building structure according to claim 1, which is characterized in that: the lifting leveling component (4) comprises a lifting screw rod (41), a lifting adjusting nut (42) and a supporting cylinder (43);
lifting screw (41) top fixed connection first backup pad (1) or second backup pad (2), lifting screw (41) wear to establish in lifting adjusting nut (42) and with lifting adjusting nut (42) screw-thread fit, lifting adjusting nut (42) are installed support section of thick bamboo (43) upper end.
3. The jack support device suitable for the dynamic characteristic test of the seismic isolation building structure according to claim 2, wherein: the lifting adjusting nut (42) comprises a mechanical adjusting nut (421) at the top end, a handheld adjusting knob (422) in the middle and a positioning cylinder (423) at the bottom end;
the outer side wall of the positioning cylinder (423) is provided with a positioning groove (424) along the circumferential direction of the positioning cylinder (423); a threaded hole (431) is formed in the side wall of the upper end of the supporting cylinder (43), and a nut limiting bolt (44) penetrates through the threaded hole (431) to be embedded into the positioning groove (424).
4. The jack support device suitable for the dynamic characteristic test of the seismic isolation building structure according to claim 1, which is characterized in that: all be equipped with bolt mounting panel (6) on first backup pad (1) or second backup pad (2) up end at both ends about arc wall (5), install jack fixing bolt (7) towards arc wall (5) direction on bolt mounting panel (6).
5. The jack support device suitable for the dynamic characteristic test of the seismic isolation building structure according to claim 1, which is characterized in that: and a pair of horizontal adjusting nuts (8) for fixing the second supporting plate (2) is arranged on the horizontal screw rod (3).
6. The jack support device suitable for the dynamic characteristic test of the seismic isolation building structure according to claim 1, which is characterized in that: horizontal bubbles (9) are arranged on the upper end surfaces of the first supporting plate (1) and the second supporting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322367.XU CN210480795U (en) | 2019-08-15 | 2019-08-15 | Jack supporting device suitable for dynamic characteristic test of shock insulation building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322367.XU CN210480795U (en) | 2019-08-15 | 2019-08-15 | Jack supporting device suitable for dynamic characteristic test of shock insulation building structure |
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| Publication Number | Publication Date |
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| CN210480795U true CN210480795U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921322367.XU Active CN210480795U (en) | 2019-08-15 | 2019-08-15 | Jack supporting device suitable for dynamic characteristic test of shock insulation building structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251560A (en) * | 2021-12-24 | 2022-03-29 | 江苏嘉洋华联建筑装饰股份有限公司 | Noise-reducing and shock-absorbing support for indoor machine tool |
-
2019
- 2019-08-15 CN CN201921322367.XU patent/CN210480795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251560A (en) * | 2021-12-24 | 2022-03-29 | 江苏嘉洋华联建筑装饰股份有限公司 | Noise-reducing and shock-absorbing support for indoor machine tool |
| CN114251560B (en) * | 2021-12-24 | 2022-12-06 | 江苏嘉洋华联建筑装饰股份有限公司 | Noise-reducing and shock-absorbing support for indoor machine tool |
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