CN217235180U

CN217235180U - Beam element supporting device

Info

Publication number: CN217235180U
Application number: CN202123069723.1U
Authority: CN
Inventors: 高飞; 孙森; 陈楚; 甄亭亭; 邓荣兵
Original assignee: Shanghai Advanced Research Institute of CAS
Current assignee: Shanghai Advanced Research Institute of CAS
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-19
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to a beam element supporting device, which comprises a supporting platform suspended at the top of a tunnel and a longitudinal welding profile frame, wherein ladder-shaped frames which are oppositely arranged extend upwards from two ends of the welding profile frame respectively, and assembly parts which are arranged in a crossed manner are fixed between the ladder-shaped frames; the electric sliding table is fixed below the welded profile frame and is provided with a motor and a grating ruler; and the control device is arranged outside the tunnel building and is respectively electrically connected or in communication connection with the motor and the grating ruler. The beam element supporting device of the utility model is fixed on the top of the tunnel through the supporting platform, thereby realizing the suspension support of the beam element; utilize horizontal adjusting part and six degree of freedom adjusting part to carry out first fine tuning to the beam component position, thereby later stage is then adjusted the mounting platform on the electronic slip table through controlling means and is carried out long-range online regulation to the position of beam component, ensures beam component position stability.

Description

Beam element supporting device

Technical Field

The utility model relates to an accelerator beam component equipment precision adjusting field, more specifically relates to a beam component strutting arrangement.

Background

The key performance index of the advanced free electron laser device is the stability of a beam orbit, and one of the main factors influencing the stability of the beam orbit is the mechanical stability of key elements of an accelerator, including the long-term stability of sedimentation influence and the short-term stability of earth vibration influence. With the development of free electron laser devices, the requirements on the quality and stability of light sources are higher and higher. The beam distribution section of the free electron laser device further provides the micron-scale stability requirement of the quadrupole magnet of the key focusing element.

The existing beam element supporting and adjusting mechanism generally comprises a first layer of support and a second layer of support, wherein the first layer of support is fixed on the ground, the second layer of support is fixed on the first layer of support, a base plate is arranged between the first layer of support and the second layer of support, and sedimentation compensation is performed by adjusting the height of the base plate. But the mechanism can only be adjusted by re-collimation under the condition that the beam current is stopped, and cannot realize remote online adjustment; in addition, since it is fixed on the ground and is not convenient to move, the suspension beam element cannot be supported.

The applicant proposes a suspension type wedge adjusting and supporting mechanism in patent application No. 202111344868, which suspends the suspension type wedge adjusting and supporting mechanism on the top of a tunnel through a steel beam and a welding hanger, and solves the supporting problem of suspension type beam elements, but aims at heavy-load equipment and needs to adjust the accurate position of the equipment by using a manual adjusting wedge mechanism, because the equipment is positioned at the high position of the tunnel building, the operation of the mechanism is laborious and cannot be adjusted remotely, a suspension column is adopted for suspending a steel beam assembly, and a suspension column and a steel beam occupy larger space and are not suitable for supporting small-size light-load beam elements. In addition, the applicant mentioned in patent application CN113115506A a high-stability automatic adjusting mechanism, although the adjusting mechanism can achieve high precision, its beam element is fixed on the marble platform on the ground, and the temperature feedback and active damping component around the element is the core, and is not suitable for the beam element which is fixedly suspended on the top of the tunnel and has less influence on vibration stability and temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a restraint component strutting arrangement to the position of hanging the restraint component at the tunnel top carries out automatic on-line adjustment.

The utility model provides a beam element strutting arrangement, including setting up in the tunnel:

the supporting platform is provided with a longitudinal and long welding profile frame, trapezoidal frames which are oppositely arranged extend upwards from two ends of the welding profile frame respectively, and assembly parts which are arranged in a crossed manner are fixed between the trapezoidal frames;

the electric sliding table is fixed below the welded profile frame and is provided with a motor and a grating ruler;

and the control device is arranged outside the tunnel and is respectively electrically connected or in communication connection with the motor and the grating ruler.

Furthermore, the welding section bar frame includes two welding parts and two parallel arrangement's support frame, and two welding parts are located the both ends of two support frames respectively to with two support frame welding together, electronic slip table is fixed the support frame below.

Further, still include the hanger plate subassembly, the hanger plate subassembly includes hanger plate main part and connecting piece, the both ends of hanger plate main part are fixed respectively on two support frames, the upper end of connecting piece with hanger plate main part threaded connection, the lower extreme then with electronic slip table threaded connection.

Furthermore, four groups of horizontal adjusting assemblies are mounted on the lower surface of the welding profile frame and are respectively located at four corners of the electric sliding table.

Further, horizontal adjustment subassembly includes fixing base and the stationary dog that sets up relatively, be provided with socket head cap screw on the fixing base, socket head cap screw one end with the stationary dog links to each other.

Furthermore, the electric sliding table comprises a supporting plate, a first sliding table and a second sliding table, the first sliding table is fixed to the supporting plate, the second sliding table is arranged on the first sliding table in a sliding mode, and a mounting platform is arranged on the second sliding table.

Furthermore, a six-degree-of-freedom adjusting assembly is fixed on the mounting platform and comprises a plurality of horizontal adjusting blocks and vertical limiting blocks.

Furthermore, horizontal adjustment block and perpendicular stopper are the L type, two edges of horizontal adjustment block all are provided with horizontal adjusting screw, an edge of perpendicular stopper is provided with perpendicular adjusting screw.

Further, a base plate is arranged between the welding profile frame and the electric sliding table.

Furthermore, a rib plate is arranged on the support frame, and a preformed hole is formed in the rib plate.

The beam element supporting device of the utility model is fixed on the top of the tunnel through the supporting platform, thereby realizing the suspension support of the beam element; utilize horizontal adjusting part and six degree of freedom adjusting part to carry out first fine tuning to the beam component position, thereby later stage is then adjusted the mounting platform on the electronic slip table through controlling means and is carried out long-range online regulation to the position of beam component, ensures beam component position stability.

Drawings

Fig. 1 is a schematic structural diagram of a beam element supporting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rail welding frame of the beam element supporting device according to the embodiment of the present invention;

FIG. 3 illustrates the assembled relationship of the hanger plate assembly, rail weld frame and electric slide;

fig. 4 is a schematic structural diagram of a horizontal adjustment assembly of the beam element supporting device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an electric sliding table and a beam element according to an embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present invention provides a beam element supporting device for supporting a beam element 200 such as a quadrupole magnet and adjusting the position thereof to maintain the stability of the position thereof. The beam element 200 may be installed in a free electron laser device located inside a cylindrical tunnel building. The beam element supporting device comprises a supporting platform 1 and an electric sliding table 3. Wherein supporting platform 1 top is fixed in the tunnel top, and electronic slip table 3 detachably fixes in the below of this supporting platform 1, and beam current component 200 is fixed on electronic slip table 3, and after the position of beam current component 200 takes place unexpected change, electronic slip table 3 adjusts on line as required to keep beam current component 200's positional stability. The base plate 2 is arranged between the supporting platform 1 and the electric sliding table 3, and the positions of the electric sliding table 3 and the beam element 200 in the vertical direction can be conveniently adjusted by replacing the base plates 2 with different thicknesses, so that the heights of the electric sliding table and the beam element are kept stable and are not influenced by the settlement of the top of a tunnel.

The support platform 1 comprises an elongated welded profile frame 103, two opposite trapezoidal frames 101 extend upwards from two ends of the elongated welded profile frame 103, and cross-arranged assembling parts 102 are fixed between the two trapezoidal frames 101, so that the overall strength of the support platform 1 is sufficient. In the embodiment, the trapezoid frame 101 is formed by welding H-shaped steels of two specifications, the trapezoid frame is overall in a trapezoid shape with a wide upper part and a narrow lower part, the lower part of the trapezoid frame is connected with the welding profile frame 103 through bolts, and the upper part of the trapezoid frame is connected with the steel beam 400 of the tunnel segment through bolts and is flattened by using gaskets of multiple specifications, so that the whole beam element supporting device is suspended in the tunnel and compensates for deformation generated when the trapezoid frame 101 is welded; the assembly part 102 is a channel steel, two ends of the channel steel are fixedly connected with the trapezoidal frames 101 at two ends through bolts respectively, and the electric sliding table 3 is fixed on the lower surface of the welded profile frame 103.

Through set up trapezoidal frame 101 in welding section bar frame 103's top, can save structural material and lighten structural weight, reduce cost, and under the prerequisite that satisfies whole bearing and rigidity demand, the longer cubic structure in three-dimensional space that the overall trapezoidal structure occupied can reduce, does benefit to the installation of all the other equipment in the tunnel.

As shown in fig. 2, the welded profile frame 103 includes two welding parts 1031 and two support frames 1032, the two support frames 1032 are arranged in parallel and spaced, and the two welding parts 1031 are respectively located at two ends of the two support frames 1032 and welded with the two support frames 1032, so as to form a frame structure. The support frame 1032 is welded with a rib plate 104 to increase strength, and the rib plate 104 is provided with a reserved hole 1041 for connecting with a tension steel wire rope and the like to install a hoisting structure, so that the whole support platform 1 is stabilized. Preferably, in the present embodiment, the welding members 1031 are channel steels, and the supporting frames 1032 are H-shaped steels.

The beam element supporting device further comprises two hanger plate assemblies 5, as shown in fig. 3, each hanger plate assembly 5 comprises a hanger plate main body 51 and a connecting piece 52, two ends of the hanger plate main body 51 are respectively fixed on two support frames 1032 of the welded profile frame 103 through bolts, the upper end of the connecting piece 52 is in threaded connection with the hanger plate main body 51, the lower end of the connecting piece 52 is in threaded connection with the electric sliding table 3, and when the electric sliding table 3 is installed on the welded profile frame 103, the hanger plate assemblies 5 can hang the electric sliding table 3, so that a protection effect is achieved. In the present embodiment, the hanger plate main body 51 is a channel steel, and the connector 52 is a screw.

Four groups of horizontal adjusting assemblies 6 are mounted on the lower surface of the welding profile frame 103, are respectively located at four corners of the electric sliding table 3, and are used for carrying out micron-order adjustment on the electric sliding table 3, determining the initial mounting position of the electric sliding table 3, and ensuring that the beam element 200 has enough moving range by controlling enough adjusting allowance.

As shown in fig. 4, the horizontal adjustment assembly 6 includes two fixing seats 601 and two fixing claws 602 which are oppositely arranged and fixed on the welding profile frame 103 through screws, a socket head cap screw 603 is arranged on the fixing seat 601, one end of the socket head cap screw 603 is connected with the fixing claw 602, the fixing claw 602 can be close to or far away from the fixing seat 601 through the forward and backward rotation of the socket head cap screw, so as to adjust the relative position relationship between the two, and thus the horizontal adjustment assembly 6 can be more tightly mounted on the welding profile frame 103; the fixed base 601 and the fixed claw 602 are further provided with a reverse jacking bolt 604 for reversely jacking the electric sliding table 3 so as to adjust the horizontal position thereof. The horizontal adjusting assembly 6 is of a detachable structure, and after the electric sliding table 3 is installed in place, the horizontal adjusting assembly 6 can be detached and used for adjusting other beam element supporting devices.

As shown in fig. 5, the electric sliding table 3 includes a support plate 31, a first sliding table 32 and a second sliding table 33, the first sliding table 32 is fixed on the support plate 31, the second sliding table 33 is slidably disposed on the first sliding table 32, an installation platform 34 is disposed on the second sliding table 33, the beam element 200 is fixed on the installation platform 34, the first sliding table 32 can drive the second sliding table 33 to slide in a horizontal plane, so that the horizontal position of the second sliding table 33 is adjusted, the second sliding table 33 is disposed in an inclined manner, and can drive the installation platform 34 to slide in an inclined manner, so that the height of the installation platform 34 is adjusted, the first sliding table 32 and the second sliding table 33 are matched with each other, so that the horizontal position and the height position of the installation platform 34 can be adjusted, and the horizontal position and the height position of the beam element 200 can be adjusted.

The first sliding table 32 and the second sliding table 33 both include a motor 41 and a ball screw structure 43, and the ball screw structure is driven by the motor 41 to slide, and the specific structure and principle of the sliding table can be referred to the first sliding table structure and the second sliding table structure in chinese patent application CN113115506A, and will not be described herein again.

The first sliding table 32 and the second sliding table 33 are further provided with a grating ruler 42 for measuring relative displacement between the first sliding table 32 and the second sliding table 33 and between the mounting platform 34 and the second sliding table 33, a control device 300 is arranged outside the tunnel and is connected with the motor 41 and the grating ruler 42 through cables and drivers, the grating ruler 42 transmits relative displacement information to the control device 300, the control device 300 controls the starting of the motor 41 according to displacement adjustment quantity, the grating ruler feeds back displacement variation quantity in real time to realize closed-loop control, and therefore the mounting platform 34 and the beam element 200 are moved to required positions.

The control device 300 may be, for example, a single chip microcomputer, a computer, or the like.

The beam element 200 is fixed on the mounting platform 34 through the bolt assembly 202, a through hole larger than the diameter of the bolt assembly 202 is arranged at the fixing position of the bolt assembly 202 and the mounting platform 34, and the adjustment amount in the horizontal direction is reserved, the six-degree-of-freedom adjusting assembly 7 is fixed on the mounting platform 34 and comprises a plurality of horizontal adjusting blocks 71 and vertical limiting blocks 72, the horizontal adjusting blocks 71 are positioned at four corners of the bottom plate 201 of the beam element 200, the horizontal adjusting blocks 71 are L-shaped, horizontal adjusting bolts 711 are arranged on two sides of the L-shaped, and the horizontal adjusting bolts 711 are adjusted to rotate on the horizontal adjusting blocks 71 to push the bottom plate 201 to move in the horizontal direction, so that the front, back, left and right relative positions of the beam element 200 in the horizontal direction are adjusted; the vertical limiting block 72 is also L-shaped and fixed on the mounting platform 34 by bolts, and one side of the L-shape is located above the bottom plate 201 of the beam element 200, and a vertical adjusting bolt 721 is further disposed on the side, and contacts with the bottom plate 201 as an anti-top bolt, and the position of the bottom plate 201 in the vertical direction can be adjusted by rotating the vertical adjusting bolt, so as to adjust the up-and-down position and the flatness of the beam element 200.

Specifically, during installation, the thickness of the backing plate 2 is determined according to the settlement amount at the top of the tunnel, then the backing plate 2 and the electric sliding table 3 are installed on the welded profile frame 103, then the electric sliding table 3 is adjusted to a preset installation position through the horizontal adjusting assembly 6 for installation, and after the electric sliding table 3 is installed in place, the horizontal adjusting assembly 6 can be detached; then, the beam current element 200 is pre-installed on the installation platform 34 through the bolt assembly 202, the position of the beam current element 200 can be finely adjusted in an area surrounded by the horizontal limiting block 71 and the vertical limiting block 72, then the horizontal position of the beam current element 200 is adjusted by rotating the horizontal adjusting bolt 711, the up-down position and the planeness of the beam current element 200 are adjusted through the vertical limiting block 721, and after the beam current element 200 is adjusted in place, the beam current element 200 is fastened with the installation platform 34; at this time, the position of the beam element 200 will change along with the electric sliding table 3, and the remote online adjustment of the position of the beam element 200 can be realized by controlling the starting of the motor 41 through the controllable device 300.

The beam element supporting device of the utility model is fixed on the top of the tunnel through the supporting platform 1, thereby realizing the suspension support of the beam element 200; the position of the beam element 200 is adjusted primarily and precisely by the horizontal adjusting assembly 6 and the six-degree-of-freedom adjusting assembly 7, and the mounting platform 34 on the electric sliding table 3 is adjusted by the control device 300 in the later period, so that the position of the beam element 200 is adjusted remotely and online, and the position stability of the beam element 200 is ensured.

What has been described above is only the preferred embodiment of the present invention, not for limiting the scope of the present invention, but various changes can be made to the above-mentioned embodiment of the present invention. All the simple and equivalent changes and modifications made according to the claims and the content of the specification of the present invention fall within the scope of the claims of the present invention. The present invention is not described in detail in the conventional technical content.

Claims

1. The beam element supporting device is characterized by comprising a supporting body arranged in a tunnel:

2. The beam element support device according to claim 1, wherein the welded profile frame comprises two welding parts and two support frames arranged in parallel, the two welding parts are respectively located at two ends of the two support frames and welded together with the two support frames, and the electric sliding table is fixed below the support frames.

3. The beam element supporting device according to claim 2, further comprising a hanger plate assembly, wherein the hanger plate assembly comprises a hanger plate main body and a connecting piece, two ends of the hanger plate main body are respectively fixed on the two supporting frames, the upper end of the connecting piece is in threaded connection with the hanger plate main body, and the lower end of the connecting piece is in threaded connection with the electric sliding table.

4. The beam element support device according to claim 1, wherein four sets of horizontal adjustment assemblies are mounted on the lower surface of the welded profile frame and are respectively located at four corners of the electric sliding table.

5. The beam element supporting device according to claim 4, wherein the horizontal adjusting assembly comprises a fixed seat and a fixed claw which are oppositely arranged, the fixed seat is provided with an inner hexagon screw, and one end of the inner hexagon screw is connected with the fixed claw.

6. The beam element supporting device according to claim 1, wherein the electric sliding table comprises a supporting plate, a first sliding table and a second sliding table, the first sliding table is fixed on the supporting plate, the second sliding table is slidably disposed on the first sliding table, and a mounting platform is disposed on the second sliding table.

7. The beam element supporting device according to claim 6, wherein a six-degree-of-freedom adjusting assembly is fixed on the mounting platform, and the six-degree-of-freedom adjusting assembly comprises a plurality of horizontal adjusting blocks and vertical limiting blocks.

8. The beam element supporting device according to claim 7, wherein the horizontal adjusting block and the vertical limiting block are both L-shaped, horizontal adjusting screws are provided on both edges of the horizontal adjusting block, and a vertical adjusting screw is provided on one edge of the vertical limiting block.

9. The beam element support device according to claim 1, wherein a backing plate is provided between the welded profile frame and the electric slipway.

10. The beam element supporting device according to claim 2, wherein the supporting frame is provided with a rib plate, and the rib plate is provided with a prepared hole.