CN216586140U - Height-adjustable steel support for magnetic suspension bridge - Google Patents
Height-adjustable steel support for magnetic suspension bridge Download PDFInfo
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- CN216586140U CN216586140U CN202123323917.XU CN202123323917U CN216586140U CN 216586140 U CN216586140 U CN 216586140U CN 202123323917 U CN202123323917 U CN 202123323917U CN 216586140 U CN216586140 U CN 216586140U
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Abstract
The utility model relates to a bridge beam supports technical field especially relates to a magnetic suspension bridge height-adjustable steel support, has solved among the prior art mode that the bridge was increaseed and has remained the modified problem. A magnetic suspension bridge height-adjustable steel support comprises: the supporting platform is provided with four groups of claw plates in a circumferential array at the bottom, and the top ends of the claw plates are movably connected with the lower end face of the supporting platform; the base is arranged below the supporting table in a coaxial positioning mode. The utility model discloses when needs adjust bridge height, rotate the lock nut at second screw rod both ends through mechanical wrench to make the round platform support four claw boards of piece drive and upwards perhaps downstream, thereby realized one kind and need not stop the bridge and use, the steel support of adjustment bridge height that can be convenient is four claw boards of annular array moreover, can be so that the lift of bridge is more even, greatly reduced the bridge the crooked condition emergence appears in the in-process that goes up and down.
Description
Technical Field
The utility model relates to a bridge beam supports technical field especially relates to a magnetic suspension bridge height-adjustable steel support.
Background
When the magnetic suspension rail transit bridge is used, the requirement on the smoothness of a line is very strict, and if the foundation of the bridge is settled, the integrity of the bridge and the whole stress of the bridge are influenced, and the line is seriously influenced.
The existing height adjustment of the support seat is generally carried out in a way of increasing or replacing a backing plate on the support seat, or adding a pair of wedge steel cushion blocks on the support seat for height adjustment, or arranging a pipeline in a support seat plate for height adjustment through a filling mode of injecting rubber and adjusting height through a pump pressure, and the like;
however, the existing height adjustment mode of the bridge requires that the bridge is stopped in a period of time, and the cushion block or the pouring filler can cause uneven stress on the bridge support and serious deflection of the bridge; therefore, a steel support with adjustable height for a magnetic suspension bridge is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic suspension bridge height-adjustable steel support has solved the mode that the bridge was increaseed among the prior art and has remained the modified problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a magnetic suspension bridge height-adjustable steel support comprises:
the supporting platform is provided with four groups of claw plates in a circumferential array at the bottom, and the top ends of the claw plates are movably connected with the lower end face of the supporting platform;
the base is coaxially positioned below the supporting table, and the bottoms of the four claw plates respectively penetrate through the side end face of the base in a sliding manner;
the lifting cavity is arranged at the position of the axis inside the base, the lifting cavity is provided with a circular truncated cone abutting block capable of limiting and lifting, the circular truncated cone abutting block and the base are coaxial, and the bottom of the circular truncated cone abutting block is coaxially connected with a gear;
the drive chamber, the drive chamber sets up inside the base, and the both sides of base are run through respectively at the both ends in drive chamber, install the second screw rod in the drive chamber, the cover that slides on the second screw rod is equipped with the pinion rack, pinion rack and gear engagement transmission, the both ends screw thread of second screw rod closes soon and is provided with the lock nut who offsets with the both ends of pinion rack respectively, pinion rack straight line limit displacement to drive round platform is supported the piece and is promoted four claw plate upward movements.
Preferably, the bottom end of the claw plate is connected with a limiting block, a sliding hole used for sliding the limiting block is formed in the side end face of the base, and an inner groove is formed in the inner side of the sliding hole so as to limit the limiting block to slide out of the sliding hole.
Preferably, the slide hole is in an inclined and inclined state with the axis of the base as a starting point, the bottom end of the slide hole is communicated with the lifting cavity, and the extending end of the limiting block abuts against the outer wall of the circular truncated cone abutting block.
Preferably, a first screw rod is fixedly installed coaxially in the lifting cavity, and the circular truncated cone abutting block is sleeved outside the first screw rod in a threaded manner, so that the gear rotates to drive the circular truncated cone abutting block to move upwards.
Preferably, the supporting plates are respectively installed at two ends of the driving cavity, two ends of the second screw rod are respectively fixedly connected with the supporting plates, and the area of the supporting rod is smaller than that of the driving cavity.
Preferably, the movement direction of the toothed plate is perpendicular to the axis of the first screw, and the height of the rack of the toothed plate is greater than that of the rack of the gear.
Preferably, a positioning shaft is installed at the center of the bottom of the supporting table, a groove is formed at the center of the top of the base, and the positioning shaft is inserted into the groove.
Preferably, the lower end face of the supporting platform is provided with a plurality of sliding grooves which are in an inclined upward state from the side end face of the supporting platform to the axial lead of the supporting platform, sliding plates are arranged in the sliding grooves in a limiting sliding mode, and the top ends of the claw plates are connected with the corresponding sliding plates.
The utility model discloses possess following beneficial effect at least:
when the height of the bridge is required to be adjusted, the locking nuts at two ends of the second screw rod are rotated through a mechanical wrench, the toothed plate is driven to move linearly on the second screw rod, the toothed plate is meshed with the gear, the round platform supports the four claw plates to move upwards or downwards, the supporting table is lifted upwards or descends, the use of the bridge is not required to be stopped, the steel support capable of conveniently adjusting the height of the bridge is realized, the four claw plates are arranged in an annular array mode, the bridge can be lifted more uniformly, and the condition that the bridge is inclined in the lifting process is greatly reduced.
The utility model discloses still possess following beneficial effect:
through the setting of the slide opening of slope and the setting of the spout of slope for the round platform supports the piece at the in-process of up-and-down motion, sets up inclination according to the direction of motion of power, makes the claw board, and the slide and the stopper at claw board both ends, can stabilize smooth and easy motion more, thereby reduces the claw board in the motion process, and the friction between slide and stopper and the brace table and the base that correspond improves steel support's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a schematic sectional structural view of a steel support;
FIG. 2 is a cross-sectional view of the base;
fig. 3 is a schematic cross-sectional view at the drive chamber.
In the figure: 1. a support table; 2. a chute; 3. a slide plate; 4. a claw plate; 5. positioning the shaft; 6. a base; 7. a slide hole; 8. a limiting block; 9. a lifting cavity; 10. a drive chamber; 11. a first screw; 12. a circular truncated cone abutting block; 13. a gear; 14. a toothed plate; 15. a second screw; 16. and locking the nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, a height-adjustable steel support for a magnetic levitation bridge comprises:
four groups of claw plates 4 are arrayed on the circumference of the bottom of the supporting table 1, and the top ends of the claw plates 4 are movably connected with the lower end face of the supporting table 1;
the base 6 is coaxially positioned and arranged below the supporting table 1, and the bottoms of the four claw plates 4 respectively penetrate through the side end face of the base 6 in a sliding manner;
the lifting cavity 9 is arranged at the position of the axis inside the base 6, the lifting cavity 9 is provided with a circular truncated cone abutting block 12 capable of limiting and lifting, the circular truncated cone abutting block 12 and the base 6 are coaxial, and the bottom of the circular truncated cone abutting block 12 is coaxially connected with a gear 13;
the driving cavity 10 is arranged inside the base 6, two ends of the driving cavity 10 penetrate through two sides of the base 6 respectively, a second screw 15 is installed inside the driving cavity 10, a toothed plate 14 is sleeved on the second screw 15 in a sliding mode, the toothed plate 14 is in meshed transmission with a gear 13, locking nuts 16 which abut against two ends of the toothed plate 14 respectively are arranged at two ends of the second screw 15 in a threaded screwing mode, and the toothed plate 14 linearly moves in a limiting mode to drive the circular truncated cone abutting blocks 12 to push the four claw plates 4 to move upwards;
the scheme has the following working processes: when the height of the bridge needs to be adjusted, the locking nuts 16 at two ends of the second screw rod 15 are rotated through a mechanical wrench, so that the toothed plate 14 is driven to move linearly on the second screw rod 15, the toothed plate 14 is in the process of linear movement and is in meshed transmission with the gear 13, the circular truncated cone supporting block 12 moves upwards or downwards in the lifting cavity 9, four claw plates 4 are driven to move upwards or downwards, the supporting table 1 is lifted upwards or downwards, the use of the bridge is not required to be stopped, the steel support capable of conveniently adjusting the height of the bridge is realized, and the four claw plates 4 in the annular array are formed, the lifting of the bridge is more uniform, and the tilting condition of the bridge in the lifting process is greatly reduced.
Further, the bottom of claw plate 4 is connected with stopper 8, and the side end face of base 6 has been offered and has been used for the gliding slide opening 7 of stopper 8, and the inside groove has been seted up to the inboard of slide opening 7 to inject stopper 8 roll-off slide opening 7, it is concrete, stopper 8's setting, make claw plate 4 can be at the motion of injecing the within range, guaranteed the stability of claw plate 4 motion.
Further, the slide hole 7 is in an inclined upward state with the axis of the base 6 as a starting point, the bottom end of the slide hole 7 is communicated with the lifting cavity 9, the extending end of the limiting block 8 abuts against the outer wall of the circular truncated cone abutting block 12, specifically, a triangular structure is formed between the supporting table 1 and the claw plate 4, so that the weight of the supporting table 1 is directly transmitted to the circular truncated cone abutting block 12, the movement stability of the claw plate 4 is ensured when the circular truncated cone abutting block 12 moves upwards, and the lifting stability of the bridge plate is improved.
Further, a first screw 11 is coaxially and fixedly installed in the lifting cavity 9, and the circular truncated cone abutting block 12 is in threaded screwing connection with the outside of the first screw 11 in a sleeved mode so as to enable the gear 13 to rotate and drive the circular truncated cone abutting block 12 to move upwards, and specifically, the gear 13 and the circular truncated cone abutting block 12 rotate circumferentially to move upwards and downwards on the first screw 11.
Further, the backup pad is installed respectively at the both ends of drive chamber 10, and the both ends of second screw rod 15 respectively with backup pad fixed connection, and the area of bracing piece is less than the area of drive chamber 10, and is concrete, penetrates mechanical wrench into drive chamber 10, then rotatory lock nut 16, can realize that two lock nut 16 move right simultaneously or move left simultaneously to realize the linear motion of pinion rack 14.
Further, the moving direction of the toothed plate 14 is perpendicular to the axial line of the first screw 11, and the rack height of the toothed plate 14 is greater than the rack height of the gear 13, specifically, the gear 13 is always meshed with the toothed plate 14 in the upward moving process or the downward moving process.
Further, the bottom central point of propping up supporting bench 1 puts the department and installs location axle 5, and the top central point of base 6 puts the department and sets up flutedly, and location axle 5 pegs graft with the recess, and is concrete, and the setting of location axle 5 has improved the stability with the axle center location between propping up supporting bench 1 and the base 6, and at the height-adjusting in-process of propping up supporting bench 1, the bottom of location axle 5 is in the recess all the time.
Further, a plurality of lower end faces of the supporting table 1 are arranged, the sliding grooves 2 are obliquely upward from the side end faces of the supporting table 1 to the axial lead of the supporting table 1, sliding plates 3 are arranged in the sliding grooves 2 in a limiting sliding mode, the top ends of the claw plates 4 are connected with the corresponding sliding plates 3, specifically, when the four claw plates 4 move upwards, the claw plates 4 are upwards and outwards opened, so that the supporting table 1 is lifted, and the distance between the supporting table 1 and the base 6 is adjusted.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a magnetic suspension bridge height-adjustable steel support which characterized in that includes:
the supporting platform comprises a supporting platform (1), wherein four groups of claw plates (4) are arrayed on the circumference of the bottom of the supporting platform (1), and the top ends of the claw plates (4) are movably connected with the lower end face of the supporting platform (1);
the base (6) is coaxially positioned and arranged below the supporting platform (1), and the bottoms of the four claw plates (4) respectively penetrate through the side end face of the base (6) in a sliding manner;
the lifting cavity (9) is arranged at the position of the axis inside the base (6), the lifting cavity (9) is provided with a circular truncated cone abutting block (12) capable of limiting lifting, the circular truncated cone abutting block (12) and the base (6) are coaxial, and the bottom of the circular truncated cone abutting block (12) is coaxially connected with a gear (13);
drive chamber (10), drive chamber (10) set up inside base (6), and the both ends of drive chamber (10) run through the both sides of base (6) respectively, install second screw rod (15) in drive chamber (10), sliding sleeve is equipped with pinion rack (14) on second screw rod (15), pinion rack (14) and gear (13) meshing transmission, the both ends screw thread of second screw rod (15) closes lock nut (16) that are provided with respectively and offset with the both ends of pinion rack (14) soon, pinion rack (14) sharp spacing removal to the drive round platform supports piece (12) and promotes four claw plate (4) upward movement.
2. The steel support for adjusting the height of a magnetic suspension bridge according to claim 1, wherein a limit block (8) is connected to the bottom end of the claw plate (4), a slide hole (7) for sliding the limit block (8) is formed in the side end surface of the base (6), and an inner groove is formed in the inner side of the slide hole (7) to limit the limit block (8) to slide out of the slide hole (7).
3. The steel support for adjusting the height of a magnetic suspension bridge according to claim 2, wherein the sliding hole (7) is in an inclined state with the axis of the base (6) as a starting point, the bottom end of the sliding hole (7) is communicated with the lifting cavity (9), and the extending end of the limiting block (8) abuts against the outer wall of the circular truncated cone abutting block (12).
4. The steel support saddle for the height-adjustable magnetic suspension bridge of claim 1, wherein a first screw (11) is coaxially and fixedly installed in the lifting cavity (9), and the circular truncated cone abutting block (12) is screwed and sleeved outside the first screw (11) so as to rotate the gear (13) and drive the circular truncated cone abutting block (12) to move upwards.
5. The steel support for magnetic suspension bridge height adjustment according to claim 1, wherein two ends of the driving chamber (10) are respectively provided with a supporting plate, two ends of the second screw (15) are respectively fixedly connected with the supporting plates, and the area of the supporting rod is smaller than that of the driving chamber (10).
6. The adjustable steel support for the height of the magnetic levitation bridge as recited in claim 1, wherein the moving direction of the toothed plate (14) is perpendicular to the axis of the first screw (11), and the rack height of the toothed plate (14) is greater than the rack height of the gear (13).
7. The steel support for adjusting the height of a magnetic levitation bridge as claimed in claim 1, wherein a positioning shaft (5) is mounted at the bottom center of the support platform (1), a groove is formed at the top center of the base (6), and the positioning shaft (5) is inserted into the groove.
8. The steel support for adjusting the height of the magnetic suspension bridge according to claim 1, wherein a plurality of sliding grooves (2) are formed in the lower end surface of the support platform (1), the sliding grooves are inclined upwards from the side end surface of the support platform (1) to the axial lead of the support platform (1), sliding plates (3) are arranged in the sliding grooves (2) in a limiting and sliding manner, and the top ends of the claw plates (4) are connected with the corresponding sliding plates (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323917.XU CN216586140U (en) | 2021-12-27 | 2021-12-27 | Height-adjustable steel support for magnetic suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323917.XU CN216586140U (en) | 2021-12-27 | 2021-12-27 | Height-adjustable steel support for magnetic suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216586140U true CN216586140U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123323917.XU Active CN216586140U (en) | 2021-12-27 | 2021-12-27 | Height-adjustable steel support for magnetic suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216586140U (en) |
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2021
- 2021-12-27 CN CN202123323917.XU patent/CN216586140U/en active Active
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