CN209308063U - The cast iron platform of horizontal adjustable and large-scale cast iron platform - Google Patents

Abstract

The utility model discloses a level-adjustable cast iron platform, which comprises a concrete foundation and a cast iron flat plate. On the concrete foundation, a plurality of support frames for preliminary adjustment of the level of the cast iron flat plate and a plurality of support frames for finely adjusting the level of the cast iron flat plate are distributed. A ground anchor, a steel mesh is provided between the support frame and the ground anchor and concrete is poured; a large cast iron platform is also disclosed, and a large cast iron platform is arranged on a concrete foundation with a plurality of closely arranged cast iron plates. The reinforcement mesh is an integral structure; the utility model concentrates on pouring concrete after the ground anchor is installed, which greatly increases the connection strength between the ground anchor and the concrete foundation; the three-way steel mesh is used to weld the support frame and the ground anchor , improve the position stability of the ground anchor, and avoid the impact and displacement of the ground anchor caused by concrete pouring; the adjustable structure of the ground anchor can realize the secondary adjustment of the levelness of the cast iron platform.

Description

Level adjustable cast iron platform and large cast iron platform

technical field

The utility model relates to a device for adjusting the level of an experimental equipment platform, in particular to a level-adjustable cast iron platform and a large cast iron platform.

Background technique

Modern equipment manufacturing is inseparable from a large amount of basic data for analysis. A series of high-end experimental devices such as large-scale geotechnical centrifuges, precision centrifuges, large-scale earthquake simulation benches, vehicle multi-axis road simulation test benches, and dynamic flight simulators (DFS) are the foundation of the manufacturing process. Improvement provides various references. Most of the above-mentioned high-end experimental devices adopt hydraulic servo vibration, which has large vibration force and high vibration frequency. The cast iron platform is used as the working base platform of the hydraulic servo exciter. Its installation strength and installation accuracy have a great impact on the performance of the experimental device. However, the installation of the existing cast iron platform has limitations such as limited strength or low installation accuracy.

Specifically, the installation device and method of the existing large-scale cast iron platform mainly include the embedded hole method and the ground anchor net installation method, wherein the embedded hole method is to reserve a ground anchor embedded hole on the concrete foundation, and connect the cast iron base plate All ground anchors are connected and hoisted into the pre-buried hole as a whole. After leveling the cast iron bottom plate, concrete is refilled in the pre-buried hole. This kind of secondary grouting method requires the use of hoisting equipment, which is troublesome to install. In addition, the connection between the ground anchor in the cast iron platform and the concrete foundation is formed by secondary pouring. Compared with integral molding, its connection strength is poor. , Under the vibration of large exciting force, the cast iron plate, ground anchor and concrete foundation are easy to separate, resulting in failure.

The expired Chinese patent ZL201010273785.1 discloses an installation method using a ground anchor net. It first uses ground anchors and connecting angle steel to form a ground anchor net. After installation, positioning and fixing, and pouring concrete, the ground anchor Install the cast iron platform on the machine. Although this method can ensure the connection strength between the cast iron platform and the concrete foundation, there is a position error when installing the ground anchor and the connecting angle steel, and at the same time, the positioned ground anchor will be generated during the process of concrete pouring and vibrating. The impact will easily cause the ground anchor to tilt. Therefore, if some holes of the cast iron platform are not aligned with the ground anchor, some ground anchors will not be able to be installed, resulting in installation defects.

Utility model content

The technical problem to be solved by the utility model is to provide a horizontally adjustable cast iron platform and a large cast iron platform using the cast iron platform, which have strong connection strength between the ground anchor and the concrete, and the ground anchor is not easy to tilt when pouring concrete .

For solving the problems of the technologies described above, the technical solution of the utility model is:

The horizontally adjustable cast iron platform includes a concrete foundation and a cast iron slab. The concrete foundation is distributed with a plurality of support frames for preliminary adjustment of the level of the cast iron slab and a plurality of ground anchors for fine adjustment of the level of the cast iron slab. A reinforcement mesh is provided between the support frame and the ground anchor and concrete is poured.

Further, the support frame includes a vertical support column and an upper support plate and a lower support plate fixed at both ends of the support column, the lower support plate is fixedly connected to the upper surface of the concrete foundation, and the cast iron plate is placed on the On the upper surface of the upper support plate, the upper support plate increases the support area and improves the stability of the cast iron plate.

Further, the ground anchor includes a vertical ground anchor housing, an adjustment sleeve, a fork, a lock nut and a double-ended screw, and the adjustment sleeve is screwed into the upper opening of the ground anchor housing, so The cast iron plate is provided with a ground anchor installation hole through the upper and lower sides, the upper end of the adjustment sleeve is inserted into the ground anchor installation hole and holds the edge of the ground anchor installation hole, the upper end of the adjustment sleeve is provided with an adjustment groove, the The lower end of the fork is provided with a lower adjustment piece that matches the adjustment slot. The lower adjustment piece is inserted into the ground anchor installation hole and inserted into the adjustment slot. The upper end of the fork is provided with an upper adjustment piece. Rotate the upper adjustment part from above to drive the rotation of the lower adjustment part, and the lower adjustment part cooperates with the adjustment groove to rotate the adjustment sleeve. Displacement, and then realize that the adjustment sleeve of the ground anchor can support the cast iron plate and drive it to move up and down, and realize the adjustment of the height of different points of the cast iron plate through the rotation adjustment of the adjustment sleeve, and then realize the fine adjustment of the level of the cast iron plate; There is a locking part inside the ground anchor, and the upper opening and the locking part are hollow structures. The lower end of the double-ended screw passes through the center of the fork, the center of the adjustment sleeve, and the upper opening and is fixedly connected to the locking part. The above-mentioned locking nut locks the upper end of the double screw rod above the fork.

Further, the adjusting groove is a square notch, the lower adjusting member is a fork-like structure matching the square notch, the fork-like structure is inserted into the square notch, the upper adjusting member is a prism, and the one corresponding to the prism is selected. The inner angle wrench is used to adjust the upper adjustment member.

Further, the lower end of the adjustment sleeve and the upper opening of the ground anchor shell are threaded, and the threaded connection can convert the rotation amount of the adjustment sleeve into an up and down displacement amount.

Further, the steel mesh is a three-way steel mesh, which fixes the ground anchor from multiple directions, and the steel mesh is welded on the ground anchor and the support frame.

In the large-scale cast iron platform adopting the above-mentioned horizontally adjustable cast iron platform, multiple cast iron plates are arranged on the concrete foundation, the cast iron plates are closely arranged, and the reinforcement mesh under the multiple cast iron plates is an integral structure.

Further, the support frame is distributed under the splicing line of the cast iron plates to ensure the level between the cast iron plates and reduce the application amount of the support frame, and the ground anchors are distributed under each cast iron plate.

After adopting the above scheme, since the utility model concentrates pouring concrete after the ground anchor is installed, the connection strength between the ground anchor and the concrete foundation is greatly increased through the fixed connection between the ground anchor and the concrete foundation; the three-way steel bar is adopted The net welds the support frame and the ground anchor to improve the position stability of the ground anchor and avoid the impact and displacement of the ground anchor caused by concrete pouring; the adjustable structure of the ground anchor can be used after the concrete pouring is completed. The levelness is further fine-tuned.

Description of drawings

Fig. 1 is a perspective view of the utility model;

Fig. 2 is a structural schematic diagram of the utility model support frame;

Fig. 3 is a schematic diagram of the combination of the utility model support frame and concrete foundation;

Fig. 4 is a structural schematic diagram of the utility model ground anchor;

Fig. 5 is an explosion diagram of the utility model ground anchor;

Fig. 6 is a schematic diagram of the combination of the adjustment sleeve and the fork in the ground anchor of the present invention;

Figure 7 is an enlarged view of some structural details in Figure 1;

Fig. 8 is a perspective view of the spliced multi-piece cast iron plates of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

The utility model discloses a horizontally adjustable cast iron platform, as shown in Figure 1-8, which is a preferred embodiment of the utility model, as shown in Figure 1, the cast iron platform includes a concrete foundation 1 and a cast iron plate 2. On the concrete foundation 1, there are also multiple support frames 3 for preliminary adjustment of the level of the cast iron plate 2 and multiple ground anchors 4 for fine adjustment of the level of the cast iron plate 2. The support frames 3 can be initially adjusted on the cast iron plate 2. The cast iron plate 2 is supported when it is horizontal, as shown in Figure 8, a steel mesh 5 is provided between the support frame 3 and the ground anchor 4 and concrete is poured, and the steel mesh 5 is welded on the support frame 3 and the ground anchor 4, On the one hand, the positions of the ground anchor 4 and the support frame 3 are fixed to avoid the influence of the concrete pouring vibration process on the position of the ground anchor 4; on the other hand, the steel mesh 5 can strengthen the concrete structure. After the concrete curing is finished, the level of the cast iron plate 2 is further finely adjusted by adjusting the ground anchor 4.

Wherein, as shown in Figure 2, support frame 3 comprises a vertical support column 31 and upper support plate 32 and lower support plate 33 that are fixed on support column 31 two ends, support column 31 and upper support plate 32, lower support plate 33 The fixed connection can be made by welding or integral molding. The lower support plate 33 is fixedly connected to the upper surface of the concrete foundation 1 by bolts, and the cast iron plate 2 is placed on the upper surface of the upper support plate 32 . During installation, the concrete foundation 1 is first poured horizontally, and then a support frame 3 of an appropriate length is selected according to the level of the cast iron plate 2 for installation, and the lower support plate 33 is fixed and locked on the surface of the concrete foundation 1 with bolts, as shown in Figure 3 Show. After the support frame 3 is installed, the cast iron flat plate 2 is placed on the support frame 3, and the level of the cast iron flat plate 2 is preliminarily adjusted by adding gaskets on the upper surface of the upper support plate 32 or the like.

A plurality of ground anchors 4 are installed on the cast iron plate 2, as shown in Figure 4-7, the ground anchor 4 includes a vertical ground anchor housing 41, an adjustment sleeve 42, a fork 43, a lock nut 44 and The double-ended screw 45 and the adjusting sleeve 42 are screwed on the upper opening of the ground anchor housing 41. Specifically, the ground anchor housing 41 is a hollow cylindrical structure, and the lower end of the adjusting sleeve 42 and the upper end of the ground anchor housing 41 are open. The upper end opening of the ground anchor housing 41 is provided with a first internal thread 411, and the lower end of the adjustment sleeve 42 is provided with a first external thread 421. The first external thread 421 and the first internal thread 411 cooperate with each other to adjust The amount of rotation of the sleeve 42 is converted into an up and down displacement, so that the adjustment sleeve 42 is adjusted up and down relative to the ground anchor housing 41 . The cast iron plate 2 is provided with a ground anchor installation hole 21 that runs through the upper and lower sides, the upper end of the adjustment sleeve 42 is inserted into the ground anchor installation hole 21 from bottom to top, and the middle expansion part 423 of the adjustment sleeve 42 supports the edge of the ground anchor installation hole 21 from the lower surface of the cast iron plate 2 . Adjusting sleeve 42 upper surface is provided with adjusting groove 422, and adjusting groove 422 can be a square notch, and the lower end of pulling fork 43 is inserted into ground anchor installation hole 21 from top to bottom, and pulling fork expansion part 433 in the middle of pulling fork 43 is pressed against cast iron from above. Plate 2, avoiding vibration to make the cast iron plate 2 bounce from above the ground anchor 4. The lower end of the fork 43 is provided with a lower adjustment member 431 matching the adjustment groove 422. The lower adjustment member 431 can be a fork-shaped structure matched with a square notch. The lower adjustment member 431 is inserted into the ground anchor installation hole 21 from top to bottom and Inserted into the adjustment slot 422, the upper end of the fork 43 is provided with an upper adjustment member 432, which can be a prism, and in this embodiment it is a hexagonal prism. When using the fork 43 to adjust the adjustment sleeve 42, use the hexagonal wrench to rotate the hexagonal column-shaped upper adjustment member 432 from above to drive the lower adjustment member 431 to rotate, and the lower adjustment member 431 cooperates with the adjustment groove 422 to rotate the adjustment sleeve 42, and the adjustment sleeve 42 Based on the threaded connection with the upper opening of the ground anchor housing 41, the rotation of the adjustment sleeve 42 is converted into an up and down displacement. The adjustment sleeve 42 of the ground anchor 4 can support the cast iron plate 2 and drive it to move up and down. The rotation adjustment of the sleeve 42 realizes the adjustment of the heights of different points of the cast iron plate 2, and then realizes the fine adjustment of the level of the cast iron plate 2. The inside of the ground anchor 4 is provided with a locking piece 46. In this embodiment, the locking piece 46 is a horizontal sheet structure. The ground anchor housing 41 includes an upper section and a lower section, and the upper section and the lower section are coaxially welded to the locking piece 46 respectively. On the upper and lower sides. There is a hollow structure between the upper opening of the ground anchor housing 41 and the locking member 46, and the lower end of the double-ended screw rod 45 passes through the center of the fork 43, the center of the adjusting sleeve 42, and the upper opening and is fixedly connected to the locking member 46. The fixed connection can be threaded connection, the center of the locking member 46 is provided with a fixing hole 461, the inner wall of the fixing hole 461 is provided with an internal thread matching the external thread of the lower end of the double-ended screw rod 45, and the double-ended screw rod 45 is screwed into the locking member 46 . The locking nut 44 then locks the upper end of the double screw rod 45 above the fork 43 to prevent the fork 43 from bouncing up with the cast iron flat plate 2 .

After the ground anchor 4 is installed on the cast iron plate 2, the strength of the ground anchor 4 will be further improved by welding the steel mesh 5. The steel mesh 5 adopts a three-way steel mesh, and the steel mesh 5 is welded on the ground anchor 4 and the support frame 3. The support frame 3, the ground anchor 4 and the steel mesh 5 are welded into one. Then pouring concrete in the reinforcement mesh 5, after the curing is finished, the gripping force of the concrete to the ground anchor 4 can be guaranteed, and the shift fork 42 can be further adjusted to make the cast iron plate 2 adjust to the specified level of precision, and then lock the lock nut 44.

As shown in Figure 8, for large-scale equipment, it is often necessary to splice multiple cast iron plates 2 to form a cast iron platform with a large area. At this time, multiple cast iron plates 2 are arranged on the same concrete foundation 1, and the cast iron plates 2 are closely arranged. The support frame 3 can be distributed under the splicing line of the cast iron plates 2, not only can ensure the level between the adjacent cast iron plates 2 when roughly adjusting the level of the cast iron platform, but also can reduce the number of support frames 3. The ground anchors 4 are distributed under each cast iron flat plate 2, and the level adjustment of the entire large cast iron platform is realized by adjusting a plurality of ground anchors 4 below each cast iron flat plate 2. The reinforcement mesh 5 under the multiple cast iron plates 2 is an integral structure, that is, the horizontal and vertical steel bars are welded to the support frames 3 and ground anchors 4 under different cast iron plates 2 at the same time, and the vertical steel bars are horizontally and horizontally welded at different heights. Horizontal or horizontal and vertical steel bars are welded together to realize the mutual limitation and fixation between different ground anchors 4, and improve the stability of the anchors 4 in various places to avoid being damaged by concrete.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model. Therefore, any changes or modifications made according to the claims of the utility model and the specification should belong to the utility model. Within the scope covered by the utility model patent.

Claims (8)

1. the cast iron platform of horizontal adjustable, including concrete foundation and cast iron surface plate, it is characterised in that: the concrete foundation On be distributed with more to cast iron surface plate level carry out just successive step support frame and more cast iron surface plate level is finely adjusted Whole earth anchor device is equipped with steel mesh and is cast with concrete between support frame as described above and the earth anchor device.

2. the cast iron platform of horizontal adjustable according to claim 1, it is characterised in that: support frame as described above includes one vertical Support column and be fixed on the upper backup pad and lower supporting plate at support column both ends, the lower supporting plate is fixedly connected on the coagulation Earth foundation upper surface, the cast iron surface plate are placed in the upper backup pad upper surface.

3. the cast iron platform of horizontal adjustable according to claim 1, it is characterised in that: the earth anchor device includes vertical Earth anchor device shell, adjusting set, fork, locking nut and double threaded screw, the adjusting set are screwed in the upper of the earth anchor device shell End opening, the cast iron surface plate are equipped with the earth anchor mounting hole through top and bottom, and the earth anchor peace is inserted into the adjusting set upper side The earth anchor installation bore edges are simultaneously held in dress hole, and the adjusting set upper surface is equipped with regulating tank, and the fork lower end is equipped with and institute The matched lower regulating part of regulating tank is stated, the lower regulating part is inserted into the earth anchor mounting hole and injects in the regulating tank, described Fork upper end is equipped with upper regulating part, is equipped with locking member inside the earth anchor device, is hollow between the upper end opening and locking member Structure, double threaded screw lower end is fixedly connected on locking member after sequentially passing through fork center, adjusting set center, upper end opening, described Locking nut is by the upper end locking of twin-screw above fork.

4. the cast iron platform of horizontal adjustable according to claim 3, it is characterised in that: the regulating tank is square groove Mouthful, the lower regulating part be with the rectangular matched prong like of notch, the upper regulating part be prism.

5. the cast iron platform of horizontal adjustable according to claim 3, it is characterised in that: the adjusting set lower end and described It is threaded connection between earth anchor device shell upper end opening.

6. the cast iron platform of horizontal adjustable according to claim 1, it is characterised in that: the steel mesh is three-dimensional reinforcing bar Net, the steel mesh are welded on the earth anchor device and support frame as described above.

7. the large-scale cast iron platform of the cast iron platform using any horizontal adjustable of claim 1-6, it is characterised in that: institute It states and is placed with muti-piece cast iron surface plate in concrete foundation, the cast iron surface plate close-packed arrays, below cast iron surface plate described in muti-piece Steel mesh is overall construction.

8. large size cast iron platform according to claim 7, it is characterised in that: support frame as described above is distributed in the cast iron surface plate Below splicing line, the earth anchor device is distributed in every piece of cast iron surface plate lower inside.