CN-224199730-U - Adjusting fastener for track precise positioning installation

CN224199730UCN 224199730 UCN224199730 UCN 224199730UCN-224199730-U

Abstract

The utility model discloses an adjusting fastener for precisely positioning and mounting a track, which comprises a vertical adjusting part, a transverse adjusting part and a supporting cavity, wherein at least partial areas of the vertical adjusting part and the transverse adjusting part are embedded in the supporting cavity and form a fixing structure with the supporting cavity, a pressing structure for fixing the track and a supporting piece for supporting the track are arranged in the vertical adjusting part, the supporting piece and the pressing structure can be used for adjusting the height of the vertical adjusting part, lateral buckling seats and adjusting pieces for abutting against two ends of the track are arranged in the transverse adjusting part, and the lateral buckling seats and the adjusting pieces can be used for adjusting the horizontal position of the track in the transverse adjusting part.

Inventors

MAO KAI
LIU YIHU
LI PING
DUAN YONGKAI
TAN WENHUA
LIU RUI
Ni Zhancheng
WANG YANWEI
TANG ZHIHUA
WANG PENG

Assignees

资阳商业航天发射技术研究院

Dates

Publication Date: 20260505
Application Date: 20250603

Claims (10)

1. A adjust fastener for track precision positioning installation, its characterized in that includes vertical adjustment portion, horizontal adjustment portion and supporting cavity, and at least partial region of vertical adjustment portion and horizontal adjustment portion is embedded in the supporting cavity to form fixed knot structure with the supporting cavity, be provided with the pressfitting structure that fixes the track and the support piece that supports the track in the vertical adjustment portion, support piece and pressfitting structure can carry out altitude mixture control in vertical adjustment portion, be provided with lateral buckling seat and the regulating part that contradicts to the track both ends in the horizontal adjustment portion, lateral buckling seat and regulating part can carry out horizontal position adjustment in horizontal adjustment portion.
2. The adjusting fastener for track precise positioning installation according to claim 1, wherein the supporting cavity specifically comprises a vertical connecting cavity and a transverse connecting cavity, the top surfaces of the vertical connecting cavity and the transverse connecting cavity are connected into a whole, the vertical connecting cavity comprises a vertical cavity, a first supporting flat plate and first reinforcing ribs, the top opening of the vertical cavity is arranged, the first supporting flat plate is arranged at the top position of the vertical cavity, the first reinforcing ribs are arranged on the end face, close to the vertical cavity, of the first supporting flat plate, and the first reinforcing ribs are arranged in a plurality of positions along the end face of the first supporting flat plate.
3. The adjusting fastener for precisely positioning and mounting a track according to claim 2, wherein the transverse connecting cavity comprises a transverse cavity, a second supporting flat plate and second reinforcing ribs, the top of the vertical cavity is provided with an opening, the second supporting flat plate is arranged at the top of the vertical cavity, the second reinforcing ribs are arranged on the end face, close to the vertical cavity, of the second supporting flat plate on the second supporting flat plate, the second reinforcing ribs are arranged in a plurality along the end face of the second supporting flat plate, and the first supporting flat plate and the second supporting flat plate are integrally formed and are positioned on the same horizontal plane.
4. The adjusting fastener for precisely positioning and mounting the track according to claim 3, wherein the vertical adjusting part comprises vertical adjusting screws, supporting nuts, sleeper plates, pressing plates and adjusting nuts, the vertical adjusting screws are arranged in the vertical cavity in pairs, external threads are arranged at the upper ends of the vertical adjusting screws, the supporting nuts are sleeved on the vertical adjusting screws, connecting through holes matched with the vertical adjusting rods are formed in the sleeper plates, and the sleeper plates penetrate through the two vertical adjusting screws and abut against the supporting nuts.
5. The adjusting fastener for precisely positioning and mounting a track according to claim 4, wherein the pressing plate is provided with an adjusting hole, the pressing plate penetrates through two vertical adjusting screws and abuts against the sleeper plate, one side of the pressing plate is provided with a clamping cavity matched with the shape of the bottom of the track, the clamping cavity clamps the bottom plate of the track when the pressing plate penetrates through the two vertical adjusting screws and abuts against the sleeper plate, and the adjusting nut is arranged on the pressing plate.
6. The adjusting fastener for precisely positioning and mounting a rail according to claim 5, wherein the vertical adjusting screw comprises a threaded section and a serrated section, and the threaded section and the serrated section are respectively arranged at the upper end and the lower end of the vertical adjusting screw.
7. The adjusting fastener for precisely positioning and mounting a rail according to claim 6, wherein the pressing plate comprises a plate body, an adjusting hole and a clamping cavity, the adjusting hole is arranged at the center of the width direction of the plate body, the adjusting hole is a slotted hole, the clamping cavity is arranged on one side of the plate body, and the clamping cavity is integrally of an inclined surface structure matched with a single-side rail.
8. The adjusting fastener for precisely positioning and mounting a track according to claim 7, wherein the transverse adjusting part comprises a lateral buckling seat, a horizontal adjusting base and a horizontal adjusting screw rod, a through hole or a through groove matched with the horizontal adjusting screw rod is formed in the lateral buckling seat, the horizontal adjusting base is embedded in the transverse cavity and is connected with the transverse cavity into a whole, a matching hole penetrating through the horizontal adjusting screw rod is formed in the top position of the horizontal adjusting base, the horizontal adjusting screw rod penetrates through the matching hole and is connected with the horizontal adjusting base into a whole, and the through hole or the through groove of the lateral buckling seat penetrates through the horizontal adjusting screw rod and is fixed through a locking nut.
9. The adjusting fastener for precisely positioning and mounting a track according to claim 8, wherein the lateral buckling seat is of a U-shaped structure, and specifically comprises a first side plate, a second side plate and a collision plate, wherein the first side plate and the second side plate are arranged in parallel, the first side plate and the second side plate are perpendicular to the end parts of the collision plate, and through holes are formed in the collision plate or through grooves are formed in the collision plate.
10. The adjusting fastener for precisely positioning and mounting a rail according to claim 9, wherein the horizontal adjusting base has an I-shaped cross section, and is further provided with protruding strips along the length of the horizontal adjusting base, the protruding strips being spaced apart along the length of the horizontal adjusting base and being symmetrically arranged along the center of the horizontal adjusting base.

Description

Adjusting fastener for track precise positioning installation Technical Field The utility model relates to the technical field of rail installation, in particular to an adjusting fastener for rail precise positioning installation. Background In the fields of high-speed carrying equipment testing, precise scientific research experiments and novel rail transit, a high-precision rail system is used as a basic bearing and guiding structure, and the geometric shape and position precision of the high-precision rail system directly determines the reliability of test data. However, the high-precision track system in the prior art still has a remarkable technical bottleneck in terms of geometric parameter adjustment, and particularly has difficulty in coping with problems of settlement deviation and insufficient foundation construction precision generated in civil construction: The adjustment range of the traditional track system in the vertical and horizontal directions is generally smaller (generally lower than +/-10 mm), and the track foundation deviation caused by factors such as civil construction errors, uneven settlement of the foundation and the like in actual engineering can reach more than +/-20 mm. The prior art is limited by insufficient travel and low structural rigidity redundancy of the adjusting mechanism, and cannot effectively compensate for such large-range deviation, so that the high-precision track is forced to rely on ultra-high standard civil construction, and the construction cost and period are obviously increased. Meanwhile, when the existing rough adjustment mode is used for coping with large-range deviation of civil engineering, the recombined gasket system needs to be repeatedly disassembled, so that accumulated errors are further amplified, and adjustment efficiency is reduced. Disclosure of utility model The utility model aims to provide an adjusting fastener for precisely positioning and installing a track, which solves the problem that the adjusting range of a track system in the vertical and horizontal directions is generally smaller in the prior art. The utility model is realized by the following scheme: The utility model provides an adjustment fastener for track precision positioning installation, includes vertical adjustment portion, horizontal adjustment portion and supporting cavity, and at least partial region of vertical adjustment portion and horizontal adjustment portion is embedded in the supporting cavity to form fixed knot structure with the supporting cavity, be provided with the pressfitting structure that fixes the track and the support piece that supports the track in the vertical adjustment portion, support piece and pressfitting structure can carry out the altitude mixture control in vertical adjustment portion, be provided with the side direction seat of buckling and the regulating part that contradicts to the track both ends in the horizontal adjustment portion, side direction seat of buckling and regulating part can carry out horizontal position adjustment in horizontal adjustment portion. Based on the structure of the adjusting fastener for track precise positioning installation, the supporting cavity specifically comprises a vertical connecting cavity and a transverse connecting cavity, the top surfaces of the vertical connecting cavity and the transverse connecting cavity are connected into a whole, the vertical connecting cavity comprises a vertical cavity, a first supporting flat plate and first reinforcing ribs, the top opening of the vertical cavity is arranged, the first supporting flat plate is arranged at the top position of the vertical cavity, the first reinforcing ribs are arranged on the end face, close to the vertical cavity, of the first supporting plane, and the first reinforcing ribs are arranged in a plurality of positions along the end face of the first supporting plane. Based on the structure of the adjusting fastener for track precise positioning installation, the transverse connecting cavity comprises a transverse cavity, a second supporting flat plate and second reinforcing ribs, wherein the top opening of the vertical cavity is arranged, the second supporting flat plate is arranged at the top position of the vertical cavity, the second reinforcing ribs are arranged on the end face, close to the vertical cavity, of the second supporting plane, the second reinforcing ribs are arranged along the end face of the second supporting plane, and the first supporting plane and the second supporting plane are integrally formed and are located on the same horizontal plane. Based on the structure of the adjusting fastener for track precise positioning installation, the vertical adjusting part comprises vertical adjusting screws, supporting nuts, sleeper plates, pressing plates and adjusting nuts, wherein the vertical adjusting screws are arranged in the vertical cavity in pairs, external threads are arranged at the upper end parts of the vertical adj