CN220910851U

CN220910851U - Foot fixing device

Info

Publication number: CN220910851U
Application number: CN202322619923.2U
Authority: CN
Inventors: 张龙; 黄有为; 陈鲁; 张嵩
Original assignee: Shenzhen Zhongke Feice Technology Co Ltd
Current assignee: Shenzhen Zhongke Feice Technology Co Ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-07
Anticipated expiration: 2033-09-26

Abstract

The utility model relates to a ground anchor fixing device. Foot fixing device includes: the base is used for being fixed on a foundation and connected with the ground feet at the bottom of the equipment; the expansion pieces comprise fixing columns which are used for being inserted into openings in the foundation; the expansion pieces are movably arranged on the base along a movable plane perpendicular to the axis of the fixed column, the expansion pieces are distributed around the pressure applying piece, and each expansion piece can be close to and far away from the pressure applying piece; the pressure applying piece is provided with inclined pressure applying surfaces corresponding to the expansion pieces respectively, and the expansion pieces are provided with adaptive inclined surfaces which are used for being attached to the corresponding inclined pressure applying surfaces so as to drive the expansion pieces to be simultaneously far away from the pressure applying piece when the pressure applying pieces are pressed towards the expansion pieces along the axis of the fixed column; and the driving piece is connected between the base and the pressing piece and is used for applying a force pressing the pressing piece to the expanding piece. The utility model mainly solves the technical problem that the fixation of the foundation is difficult to directly realize under the condition that only the unthreaded hole is formed on the foundation.

Description

Foot fixing device

Technical Field

The utility model relates to a ground anchor fixing device.

Background

When some operation equipment is used, the operation equipment is often required to be supported on a foundation through the ground feet, and the ground feet can uniformly support the operation equipment, so that the stability of the operation equipment is ensured. The foundation generally comprises a support column vertically connected to the bottom of the device and a support connected to the bottom of the support column, the support being capable of supporting the foundation, the support column being capable of transmitting supporting forces between the support and the device.

The wafer inspection apparatus is used as a precision apparatus, which is not only supported on the foundation by the anchor but also in some cases firmly fixed on the foundation, so that the wafer inspection apparatus can be prevented from moving due to vibration and other factors. In general, the anchor is fixed to the foundation by providing a threaded hole in the foundation and fixing the anchor to the foundation through the threaded hole and a corresponding connector.

However, the existing condition of some customer sites is that only a unthreaded hole is formed on the foundation, and if the foundation with the threaded hole is temporarily manufactured, the problems of delayed working period, project coordination and extra cost are caused, so that the quick deployment of equipment is not facilitated.

Disclosure of utility model

The utility model mainly solves the technical problem that the fixation of the foundation is difficult to directly realize under the condition that only the unthreaded hole is formed on the foundation.

The utility model provides a ground anchor fixing device.

Foot fixing device includes:

The base is used for being fixed on a foundation and connected with the ground feet at the bottom of the equipment;

The expansion pieces comprise fixing columns which are used for being inserted into holes in the foundation; the expansion pieces are movably arranged on the base along a movable plane perpendicular to the axis of the fixed column, the expansion pieces are distributed around the pressing piece, and the expansion pieces can be close to and far away from the pressing piece;

The pressing piece is provided with inclined pressing surfaces corresponding to the expansion pieces respectively, the expansion pieces are provided with adaptive inclined surfaces, and the adaptive inclined surfaces are used for being attached to the corresponding inclined pressing surfaces so as to drive the expansion pieces to be simultaneously far away from the pressing piece when the pressing piece is pressed towards the expansion pieces along the axis of the fixing column;

And the driving piece is connected between the base and the pressing piece and is used for applying a force pressing the pressing piece to the expanding piece.

In one technical scheme, one of the adaptation inclined plane and the inclined pressing surface is provided with a guide chute, the guide chute extends along the axis of the fixed column, the other one of the inclined pressing surface and the adaptation inclined plane is provided with a guide protrusion, and the guide protrusion is used for sliding along the guide chute.

In one technical scheme, be equipped with the holding tank on the base, the at least part embedding of expansion member in the holding tank, expansion member supports on the groove diapire of holding tank, be equipped with the perforation on the groove diapire of holding tank, the fixed column is followed wear out in the perforation.

In one technical scheme, each expansion member and the pressing member can synchronously translate along a first direction on the movable plane, the driving member is connected to the base, and the pressing member is provided with an avoidance space for avoiding the driving member when the expansion member and the pressing member translate.

In one technical scheme, the driving piece is a driving screw, and the base is provided with a threaded hole for connecting the driving screw; the pressure applying piece is provided with a screw through hole, and the rod part of the driving screw passes through the screw through hole and is connected to the threaded hole.

In one aspect, the screw penetration hole is a long hole extending in the first direction, and the escape space is formed by the long hole.

In one technical scheme, two expansion pieces are arranged, the two expansion pieces and the pressing piece are arranged in a straight line, the expansion pieces comprise guide handles, and the guide handles are arranged on one side, far away from the pressing piece, of the expansion pieces; the base is provided with a kidney-shaped hole, the length direction of the kidney-shaped hole is parallel to the first direction, the guide handle is embedded into the kidney-shaped hole, and the kidney-shaped hole is used for guiding the guide handle to translate along the first direction.

In one technical scheme, the guide handle is formed by a guide screw, a threaded hole is formed in the expansion piece, the guide screw is fixedly connected in the threaded hole in the expansion piece, and the rod part of the guide screw passes through the kidney-shaped hole.

In one technical scheme, the base comprises a foundation connecting part and a ground foot connecting part, the expansion piece is arranged on the foundation connecting part, a ground foot fixing structure is arranged on the ground foot connecting part, and the ground foot fixing structure is used for being connected with a ground foot at the bottom of the equipment; the foundation connection part and the ground foot connection part are staggered along the axial direction of the fixed column.

In one technical scheme, the foot connecting part is of a plate-shaped structure, the plate-shaped structure is provided with a clamping groove, the clamping groove penetrates through the plate-shaped structure along the axial direction of the fixing column, and the clamping groove forms a bayonet at one side edge of the plate-shaped structure; the clamping groove is used for being clamped on a support column at the top of the foundation so that the plate-shaped structure presses the support at the bottom of the support column.

The utility model has the beneficial effects that:

According to the foundation fixing device, by arranging at least two expansion pieces, when the expansion pieces move along the movable plane, the fixed columns on the expansion pieces can prop up the hole walls of the holes on the foundation, so that the foundation fixing device and the foundation are fixed by virtue of friction between the fixed columns and the hole walls of the holes, and the foundation at the bottom of the equipment is fixed; in addition, the anchor fixing device further comprises a pressing piece and a driving piece for driving the pressing piece to press the expansion piece, wherein inclined pressing surfaces on the pressing piece, which correspond to the expansion pieces respectively, can be attached to the adaptive inclined surfaces on the expansion piece, so that the pressing piece is pressed towards the expansion piece to drive the expansion pieces to be away from the pressing piece at the same time, and the fixing column is used for supporting the holes on the foundation, so that the foundation with threaded holes is not required to be manufactured in addition, and the technical problem that the anchor is difficult to be fixed directly under the condition that the threaded holes are not formed in the foundation is solved.

Drawings

FIG. 1 is a perspective view of one embodiment of a foot anchor assembly of the present utility model;

FIG. 2 is another perspective view of the anchor fixing device of FIG. 1;

FIG. 3 is an exploded view of the anchor fixing device of FIG. 1;

FIG. 4 is a front view of the anchor fixing device of FIG. 1;

FIG. 5 is a schematic illustration of the mating relationship of the compression member and the expansion member.

List of feature names corresponding to reference numerals in the figure:

100. A base; 110. a foundation connection part; 120. a ground pin connection part; 121. a clamping groove; 130. a receiving groove; 140. perforating; 150. a threaded hole; 160. waist-shaped holes;

200. An expansion member; 210. fixing the column; 220. adapting to the inclined plane; 230. a guide chute; 240. a guide screw;

300. A pressurizing member; 310. tilting the pressing surface; 320. a guide protrusion; 330. and (5) perforating the screw.

Detailed Description

The utility model will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present utility model. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present utility model have not been shown or described in the specification in order to avoid obscuring the core portions of the present utility model, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.

Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.

The foundation for supporting an apparatus on a foundation generally includes a support base that can be supported to the foundation and a support column connected to the top of the support base that can transmit supporting forces between the support base and the apparatus. In order to ensure a firm fixation of the supported device on the foundation, it is sometimes necessary to fix the foundation to the foundation using a foundation fixing device, which requires a connection structure, such as a threaded hole, on the foundation to which the foundation fixing device can be connected. The foundation fixing device provided by the utility model can support the open holes on the foundation by virtue of the expansion mode, provides a connection foundation for fixing the foundation of the equipment, avoids the problem that the adaptive foundation needs to be temporarily manufactured when no threaded holes are arranged on the foundation, and is particularly suitable for equipment with high requirements on stability and precision, such as wafer detection equipment. Of course, the anchor fixing device of the present utility model can be used for fixing other devices.

Embodiments of the anchor fixing device of the present utility model:

Referring to fig. 1 and 2, the anchor fixing device of the present utility model includes a base 100, an expanding member 200, a pressing member 300, and a driving member (the driving member is not shown in the drawings and may be a screw). Specifically: the anchor fixing device includes: the base 100, the base 100 is used for being fixed on a foundation and connected with the ground feet at the bottom of the equipment; at least two expansion members 200, the expansion members 200 including fixing columns 210, the fixing columns 210 being inserted into openings on the foundation; the expanding members 200 are movably arranged on the base 100 along a movable plane perpendicular to the axis of the fixed column 210, the expanding members 200 are distributed around the pressing member 300, and each expanding member 200 can be close to and far away from the pressing member 300; the pressing piece 300 is provided with inclined pressing surfaces 310 corresponding to the expansion pieces 200 respectively, the expansion pieces 200 are provided with adapting inclined surfaces 220, and the adapting inclined surfaces 220 are used for being jointed with the corresponding inclined pressing surfaces 310 so as to drive the expansion pieces 200 to be away from the pressing piece 300 simultaneously when the pressing piece 300 is pressed towards the expansion pieces 200 along the axis of the fixing column 210; and a driving member connected between the base 100 and the pressing member 300, the driving member for applying a force to the pressing member 300 toward the expanding member 200.

When the pressing member 300 moves under the pressing of the driving member, the pressing member 300 can further drive the pressing member 300 to move away from the pressing member 300 by virtue of the matching of the inclined pressing surface 310 on the pressing member 300 and the adapting inclined surface 220 on the expanding member 200, so that the fixing column 210 on the expanding member 200 can prop up the hole wall of the hole on the foundation, thereby fixing the whole foundation fixing device on the foundation.

The number of the expansion members 200 may be two or more, and may be set according to the number of the openings on the foundation. For example, when two openings corresponding to a certain foundation are provided on the foundation, two expansion members 200 may be provided, and the fixing columns 210 on the two expansion members 200 are respectively inserted into one opening. Of course, the number of the expansion members 200 may be smaller than the number of the openings on the foundation, and the corresponding openings may be selected to fix the anchor fixing device during actual use. Preferably, the tension members 200 may be evenly distributed around the compression member 300.

In one embodiment, referring to fig. 3, the base 100 includes a foundation connection portion 110 and a ground connection portion 120, the expansion member 200 is disposed on the foundation connection portion 110, and the ground connection portion 120 is provided with a ground fixing structure for connecting with a ground at the bottom of the apparatus; the ground connection portion 110 is offset from the ground connection portion 120 in the axial direction of the fixing columns 210. The foundation connection portion 110 and the anchor connection portion 120 form a stepped structure in the above staggered arrangement, and a receiving space for receiving the anchor is formed below the anchor connection portion 120, thereby facilitating compression of the anchor. Meanwhile, the ground connection portion 110 can be stably supported on the ground, which is advantageous in ensuring stable installation of the anchor fixing device.

Further, referring to fig. 1 and 3, the anchor connecting portion 120 has a plate-shaped structure, and a clamping groove 121 is formed on the plate-shaped structure, the clamping groove 121 penetrates through the plate-shaped structure along the axial direction of the fixing column 210, and the clamping groove 121 forms a bayonet on one side of the plate-shaped structure; the clamping groove 121 is used for being clamped on a support column at the top of the foundation so that the plate-shaped structure presses the support at the bottom of the support column. The bayonet socket that forms through joint groove 121, on the lower margin fixing device can be followed the radial joint of support column on the lower margin and received the support column to make lower margin connecting portion 120 be located the support top of lower margin, thereby be convenient for form the cooperation between lower margin fixing device and the lower margin, easy dismounting.

Of course, in other embodiments, foundation attachment portion 110 and foot attachment portion 120 may be configured in other ways. For example, the ground engaging portion 120 may have a block structure in which a receiving space for receiving ground is formed. For another example, the foundation connection portion 110 may be provided with a through hole through which a support column of the foundation passes, and the foundation is connected to the bottom of the supported device after passing through the foundation connection portion 110. In addition, the ground connection portion 110 and the ground connection portion 120 may be disposed in the form of a uniform height, and since the ground connection portion 120 is lifted by the support of the ground, the ground connection portion 110 is suspended, and the fixing posts 210 of the expansion member 200 may protrude from the base 100 by a longer dimension to extend into the openings of the ground.

Since the expansion member 200 and the pressing member 300 are relatively movable, in order to maintain a certain positional relationship therebetween for easy assembly, in one embodiment, one of the adaptation inclined surface 220 and the inclined pressing surface 310 is provided with a guide chute 230, the guide chute 230 extends along the axis of the fixing post 210, and the other of the inclined pressing surface 310 and the adaptation inclined surface 220 is provided with a guide protrusion 320, the guide protrusion 320 being adapted to slide along the guide chute 230. The expanding member 200 and the pressing member 300 can be relatively moved along the axis of the fixing column 210 by the guide chute 230 and the guide protrusion 320, ensuring a stable engagement of the inclined pressing surface 310 on the pressing member 300 with the fitting inclined surface 220 on the expanding member 200.

In a specific embodiment, referring to fig. 3 and 5, a cross section of the pressing member 300 perpendicular to the first direction (referring to fig. 1) is an isosceles trapezoid, sides corresponding to two waists of the isosceles trapezoid are inclined pressing surfaces 310, and triangular ribs are provided on the inclined pressing surfaces 310, and form guide protrusions 320. In one embodiment, the ribs are right triangles, two right-angle sides are parallel and perpendicular to the axis of the fixing post 210, and the oblique sides are connected with the inclined pressing surface 310. Correspondingly, the adapting inclined surface 220 of the expanding member 200 is provided with a chute penetrating along the axis of the fixing column 210, and the chute forms a guiding chute 230. The guide protrusion 320 and the guide chute 230 are matched to facilitate the manufacture of the expansion member 200 and the pressing member 300, and in other embodiments, the expansion member 200 and the pressing member 300 may take other forms, for example, the guide protrusion 320 on the inclined pressing surface 310 may be parallel to the inclined pressing surface 310, and the guide chute 230 on the adapting inclined surface 220 may be parallel to the adapting inclined surface 220. In addition, a guide protrusion 320 may be provided on the expansion member 200, and a guide chute 230 may be provided on the pressing member 300.

In one embodiment, referring to fig. 1, the base 100 is provided with a receiving groove 130, at least a portion of the expanding member 200 is embedded in the receiving groove 130, the expanding member 200 is supported on a bottom wall of the receiving groove 130, a through hole 140 is provided on the bottom wall of the receiving groove 130, and the fixing post 210 penetrates out of the through hole 140. The accommodating groove 130 is arranged to limit the expansion piece 200, so that the scattering of parts on the foundation fixing device can be avoided. In some other embodiments, the expansion member 200 may also be fully embedded in the receiving slot 130.

Each of the expansion member 200 and the pressing member 300 is capable of translating synchronously in a first direction on a movable plane, the driving member is connected to the base 100, and the pressing member 300 is provided with a relief space for relieving the driving member when the expansion member 200 and the pressing member 300 translate. Through the synchronous translation of each expansion piece 200 and the driving piece, the lower margin fixing device can adapt to different trompil positions on the foundation, and flexibility and commonality are better. In one embodiment, the driving member is a driving screw, and the base 100 is provided with a threaded hole 150 for connecting the driving screw; the pressing member 300 is provided with a screw penetration hole 330, and a shaft portion for driving the screw passes through the screw penetration hole 330 and is connected to the screw hole 150. The driving screw can adopt standard parts, is beneficial to reducing the cost, and can be conveniently adjusted by using common tools.

In some other embodiments, the driver may be of other forms as well. For example, a stud is fixedly arranged on the base 100, the stud passes through the expansion member 200, a nut is arranged on the top of the expansion member 200, and the expansion member 200 can be driven by screwing the nut. For another example, the driving member may be replaced with a bolt and nut engaged, and the bolt sequentially passes through the expansion member 200 and the base 100 and is coupled to the nut. For another example, the driving member may employ an eccentric wheel, and the expansion member 200 is rapidly compressed by rotating the eccentric wheel, and a handle may be connected to the eccentric wheel to facilitate manual rotation operation.

In one embodiment, referring to fig. 1,3 and 4, the screw penetration 330 is a long hole extending in the first direction, and the escape space is formed by the long hole. The driving screw head has a radial dimension greater than the radial dimension of the shank and is capable of supporting the top aperture rim of the screw penetration 330 to press the pressing member 300 and drive the pressing member 300 in motion.

In one embodiment, referring to fig. 1 to 5, two expansion members 200 are provided, and two expansion members 200 and a pressing member 300 are arranged in a straight line, and the expansion member 200 includes a guide handle (in one embodiment, the guide handle is formed by a guide screw 240) disposed at a side of the expansion member 200 remote from the pressing member 300; the base 100 is provided with a kidney-shaped hole 160, the length direction of the kidney-shaped hole 160 is parallel to the first direction, the guide handle is embedded into the kidney-shaped hole 160, and the kidney-shaped hole 160 is used for guiding the guide handle to translate along the first direction. The positioning of the expansion member 200 is facilitated by the guide handle, and the guide can be conveniently realized by the cooperation of the guide handle and the kidney-shaped hole 160, so that the structure is simple.

In the embodiment shown in fig. 1 to 5, the kidney-shaped holes 160 are provided on two groove walls of the receiving groove 130 parallel to the first direction, so that the structure is simple. In a specific embodiment, a guide holder may be disposed on the base 100 corresponding to each guide handle, where the two guide holders are disposed in parallel, and the kidney-shaped hole 160 is disposed on the guide holder.

Further, referring to fig. 3 and 5, the guide handle is formed of a guide screw 240, a threaded hole is provided on a side of the expansion member 200 remote from the pressing member 300, the guide screw 240 is fixedly coupled in the threaded hole, and a rod portion of the guide screw 240 passes through the kidney-shaped hole 160. The guide screw 240 is used as a guide handle, so that the processing, the dismounting and the control of the cost are facilitated.

When the support is used, the clamping groove 121 is utilized to enable the anchor fixing device to be clamped onto the support rod of the anchor from the radial outer side of the anchor, so that the anchor connecting portion 120 is located above the support of the anchor, and the radial size of the support is larger than that of the support rod, so that the support of the anchor can be pressed by the anchor connecting portion 120. Simultaneously, the position of the base 100 is adjusted to enable the fixing column 210 on the expansion piece 200 to be approximately aligned with the opening on the foundation, then the positions of the expansion piece 200 and the pressing piece 300 on the base 100 are adjusted to enable the fixing column 210 on the expansion piece 200 to be inserted into the opening on the foundation, then the driving screw can be rotated, the pressing piece 300 is pressed by means of the threaded connection of the driving screw and the threaded hole 150 correspondingly arranged on the base 100, the expansion piece 200 is driven to move in the direction away from the pressing piece 300, and the fixing column 210 on the expansion piece 200 can support the hole wall of the opening on the foundation, so that the foundation fixing device can root firmly on the foundation. It should be noted that the hole on the foundation may be a unthreaded hole or a threaded hole, and the hole may be a through hole or a blind hole.

Above-mentioned lower margin fixing device passes through the cooperation of expansion piece and pressure applying piece, can utilize the pore wall of trompil on the fixed column expansion ground, realizes lower margin fixing device's fixed on the ground, solves the fixed technical problem of lower margin of being difficult to direct realization under the condition that only has the unthreaded hole on the ground to fix the lower margin of equipment conveniently.

The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.

Claims

1. Ground anchor fixing device, its characterized in that includes:

2. A foot fixing device according to claim 1, wherein one of the adapting inclined surface and the inclined pressing surface is provided with a guide chute extending along the axis of the fixing post, and the other of the inclined pressing surface and the adapting inclined surface is provided with a guide protrusion for sliding along the guide chute.

3. A foot fixing device according to claim 1, wherein the base is provided with a receiving slot, at least a portion of the expansion member is embedded in the receiving slot, the expansion member is supported on a bottom wall of the receiving slot, a through hole is provided in the bottom wall of the receiving slot, and the fixing post passes through the through hole.

4. A foot fixing arrangement according to any one of claims 1 to 3, wherein each of the expansion member and the pressure member is translatable in a first direction simultaneously in the plane of movement, the drive member being connected to the base, the pressure member being provided with a relief space for relieving the drive member upon translation of the expansion member and the pressure member.

5. A foot fixing device according to claim 4, wherein the driving member is a driving screw, and the base is provided with a threaded hole for connecting the driving screw; the pressure applying piece is provided with a screw through hole, and the rod part of the driving screw passes through the screw through hole and is connected to the threaded hole.

6. The anchor fixing device as claimed in claim 5, wherein the screw penetration hole is a long hole extending in the first direction, and the escape space is formed by the long hole.

7. A foot fixing device according to claim 4, wherein two of the expansion members are arranged in a straight line, the expansion members include guide handles, and the guide handles are disposed on a side of the expansion members away from the pressing member; the base is provided with a kidney-shaped hole, the length direction of the kidney-shaped hole is parallel to the first direction, the guide handle is embedded into the kidney-shaped hole, and the kidney-shaped hole is used for guiding the guide handle to translate along the first direction.

8. A foot fixing arrangement according to claim 7, wherein the guide handle is formed by a guide screw having a threaded bore in the expansion member, the guide screw being fixedly connected to the expansion member in the threaded bore, the shank of the guide screw passing through the kidney-shaped bore.

9. A foundation fixing device according to any one of claims 1 to 3, wherein said base comprises a foundation connection portion and a foundation connection portion, said expansion member being provided on said foundation connection portion, said foundation connection portion being provided with a foundation fixing structure for connection with a foundation at the bottom of the apparatus; the foundation connection part and the ground foot connection part are staggered along the axial direction of the fixed column.

10. The anchor fixing device as claimed in claim 9, wherein the anchor connecting portion is a plate-like structure provided with a clamping groove penetrating through the plate-like structure in an axial direction of the fixing column, the clamping groove forming a bayonet at one side of the plate-like structure; the clamping groove is used for being clamped on a support column at the top of the foundation so that the plate-shaped structure presses the support at the bottom of the support column.