CN216999253U

CN216999253U - Operation auxiliary system of lifting bridge

Info

Publication number: CN216999253U
Application number: CN202121554256.9U
Authority: CN
Inventors: 闵双丰; 闵选均
Original assignee: Wuhan Junchu Chuangjin Technology Consulting Co ltd
Current assignee: Wuhan Junchu Chuangjin Technology Consulting Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-07-19
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses an operation auxiliary system of a lifting bridge, which comprises a guide device, a locking device and a positioning and locking device, wherein the guide device comprises a guide rail arranged on a tower frame and guide wheels which are distributed on two sides of a bridge body and matched with the guide rail, the guide wheels can prevent the bridge body from shaking left and right on the two sides of the bridge body, the guide wheels positioned on the same side of the bridge body can prevent the bridge body from shaking front and back, the locking device is arranged on the bridge body and can be locked with the tower frame after the bridge body is in place, and the positioning and locking device is positioned near two sides of the end part of the bridge body after the bridge body is in place and can position and lock two sides of the end part of the bridge body. The operation auxiliary system can ensure that the bridge body is stable and does not shake in the lifting process, can lock the bridge body after the bridge body is in place, especially can position and lock the end part of the bridge body, and ensures safety.

Description

Operation auxiliary system of lifting bridge

Technical Field

The utility model relates to a set of mechanical equipment, in particular to an operation auxiliary system of a lifting bridge.

Background

When land vehicles such as automobiles, trains, special large transport vehicles and the like need to pass through areas with large relief, such as mountains, rivers, basin edges and the like, traffic infrastructures such as trails, tunnels, viaducts and the like are generally adopted to solve the problem of fall, but the following problems still exist at present:

1) the construction cost of the winding mountain road is high, the construction amount is large, and the passing efficiency is low; and trains cannot pass through, and special large transport vehicles are limited to pass through.

2) The tunnel construction cost is high, the construction amount is large, and the construction difficulty coefficient and the danger coefficient are high; and the application range is narrow due to the restriction of construction geological conditions, tunnel construction cannot be carried out or is not suitable for a lot of geology, trains cannot pass through, and the passing of automobiles and special large-scale transport vehicles is limited.

3) The viaduct has high construction cost and large construction amount, and mountains or tunnels can be required to be opened along the way, thereby further increasing the cost; when a mountain cannot be driven or a tunnel cannot be arranged due to geological, environmental protection or cost reasons, in order to ensure a safe slope, the mountain cannot be extended any more or a tunnel cannot be detoured to a gentle area; when the train is not extended any more, the train needs to be transported through other ways, so that the passing time is increased, the train cannot be transported and cannot continue to pass, and the transportation of the automobile and the special large transport vehicle is limited; when the vehicle walks to the gentle area, the meeting conditions are extremely harsh, the vehicle cannot be generally applied, and the cost and the passing time are increased.

From the above, when the land transportation needs to pass through an area with large relief, the problems of no traffic, limited traffic, low traffic efficiency and high traffic infrastructure cost still exist.

In order to solve the problems, the applicant designs a lifting bridge, wherein a train track is laid on a bridge body, after a train enters the bridge body, the bridge body is driven by a power system to lift along a tower frame, and vertical conveying with large conveying capacity can be completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary operation system of a lifting bridge, which can ensure that a bridge body is stable and does not shake in the lifting process, can lock the bridge body after the bridge body is in place, especially can position and lock the end part of the bridge body, and ensures safety.

The technical scheme adopted by the utility model is as follows:

the utility model provides a lift bridge's operation auxiliary system, including guider, locking device and location locking device, guider including establish on the pylon guide rail with distribute in the pontic both sides and with guide rail complex guide pulley, the guide pulley can prevent the pontic from controlling in pontic both sides and rock, the guide pulley that is located the pontic homonymy can prevent to rock around the pontic, locking device establishes on the pontic, can target in place the back at the pontic and lock with the pylon, location locking device is located near rear axle tip both sides that targets in place, can fix a position locking pontic tip both sides.

The supporting device is positioned near the end part of the in-place rear axle body and used for supporting the end part of the in-place rear axle body, and the supporting device comprises an extending mechanism and a jacking mechanism; the external extending mechanism comprises a fixed arm and a movable arm which are in sliding fit, a lead screw arranged on the fixed arm, a motor and a speed reducer for driving the lead screw, and a sliding block which is matched with the lead screw and arranged on the movable arm; the jacking mechanism comprises a jack arranged on the movable arm, a motor for driving the jack and a speed reducer.

Furthermore, the fixed arm adopts a sliding table and the movable arm adopts a sliding plate, or the fixed arm and the movable arm adopt a large square box and a small square box which are mutually sleeved together.

Furthermore, the guide wheel adopts a floating structure, the guide wheel is installed on a bearing seat, the bottom of the bearing seat is in sliding fit with a supporting cylinder, the supporting cylinder is installed on the bridge body, a screw rod is arranged at the bottom of the bearing seat, a baffle plate is arranged in the supporting cylinder, the screw rod penetrates through the baffle plate, a spring and a nut are respectively sleeved on two sides of the baffle plate, the spring is pressed between the baffle plate and the bearing seat, and the nut is used for pre-tightening the spring.

Further, the guide wheels are arranged in a group of three, each group of guide wheels is equal in height, and the guide rails are surrounded and matched from three sides.

Furthermore, the guide rail is cylindrical, and the guide wheel is provided with a groove matched with the guide rail.

Furthermore, the guide rail is in a square column shape, and the guide wheel is flatly attached to the guide rail.

Furthermore, the locking device comprises a motor, a speed reducer, a jack and a friction disc, wherein the motor, the speed reducer, the jack and the friction disc are sequentially used for transmitting power, the friction disc is arranged at the top end of the jack, the locking devices are arranged in a group, each group is equal in height, and the locking devices are clamped on the tower frame in a butt mode during locking.

Further, the locking device clamps on the guide rail when locking.

Furthermore, the positioning and locking device comprises a motor, a speed reducer, a jack and a positioning head arranged at the top end of the jack, wherein the motor, the speed reducer and the jack sequentially transmit power, and the positioning head is positioned and locked when extending into a positioning hole at the end part of the bridge body after the bridge body is in place.

The beneficial effects of the utility model are:

the operation auxiliary system can ensure that the bridge body is stable and does not shake in the lifting process, can lock the bridge body after the bridge body is in place, especially can position and lock the end part of the bridge body, and ensures safety.

Drawings

Fig. 1 is a front view of a bidirectional balanced type lifting bridge in an embodiment of the utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a side view of a bidirectional balanced lift bridge in an embodiment of the present invention.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is an enlarged view at C in fig. 3.

Fig. 6 is a top view of the bidirectional balanced type lift bridge in the embodiment of the present invention.

Fig. 7 is an enlarged view of fig. 6 at D.

Fig. 8 shows a first embodiment of a holding assembly according to the present invention.

Fig. 9 is a side view of fig. 8.

FIG. 10 shows a second embodiment of the holding assembly according to the present invention.

Fig. 11 is a side view of fig. 10.

FIG. 12 is a schematic view of the mounting of a jockey wheel in an embodiment of the utility model.

Fig. 13 shows a first form of the fitting structure of the guide wheel and the guide rail according to the embodiment of the utility model.

Fig. 14 shows a second form of the fitting structure of the guide wheel and the guide rail according to the embodiment of the utility model.

Fig. 15 is an operational view (in plan view) of the locking device in the embodiment of the present invention.

Fig. 16 is a schematic view (front view) of the positional relationship of the locking device and the guide wheel in the embodiment of the present invention.

Figure 17 is a schematic view of a positioning and locking device in an embodiment of the utility model.

In the figure: 1-a tower; 2-a bridge; 3-train; 4-a holding means; 5-rolling a support; 6-flexible force transmission piece; 7-a guide wheel; 8-train track; 9-docking the rail; 10-positioning the locking device; 11-a locking device; 12-a jack of the holding device; 13-a motor and a speed reducer of the jacking mechanism; 14-a movable arm; 15-a fixed arm; 16-a motor and a reducer of the overhanging mechanism; 17-a lead screw; 18-a slide block; 19-a support cylinder; 20-a screw; 21-a bearing seat; 22-a spring; 23-a baffle plate; 24-a nut; 25-a guide rail; 26-motor of locking device; 27-a reducer of the locking device; 28-jacks of the locking device; 29-a friction disk; 30-a positioning head; 31-a jack for positioning the locking device; 32-positioning the speed reducer of the locking device; 33-motor to position the locking device.

Detailed Description

The utility model is further described below with reference to the figures and examples.

As shown in fig. 1 to 7, a bidirectional balanced type lifting bridge comprises a tower-bridge system, a power system, a matching system and an operation auxiliary system; the tower-bridge system comprises at least two towers 1, a rolling support part 5 arranged at the top of the towers 1, a flexible force transmission part 6 which is matched with and bypasses the rolling support part 5 and has two downward ends, and a pair of bridge bodies 2 which are respectively and horizontally suspended at two ends of the flexible force transmission part 6, wherein the rolling support part 5 is a wheel train consisting of small support wheels or a single large support wheel, the flexible force transmission part 6 is a chain or a steel cable, and a train track 8 is paved on the bridge bodies 2; the power system is used for driving the two bridge bodies 2 to alternatively lift between a low position and a high position and has a braking function; the matching system comprises passing facilities arranged at a low position and a high position, and the passing facilities comprise butt joint rails 9 which are in butt joint with train rails 8 on the in-place bridge body 2; the operation auxiliary system comprises a guide device, a locking device 11 and a positioning locking device 10, the guide device comprises a guide rail 25 arranged on the tower 1 and guide wheels 7 which are distributed on two sides of the bridge body 2 and matched with the guide rail 25, the guide wheels 7 can prevent the bridge body 2 from shaking left and right on two sides of the bridge body 2, the guide wheels 7 positioned on the same side of the bridge body 2 can prevent the bridge body 2 from shaking front and back, the locking device 11 is arranged on the bridge body 2 and can be locked with the tower 1 after the bridge body 2 is in place, the positioning locking device 10 is positioned near two sides of the end part of the bridge body 2 after the bridge body 2 is in place, and two sides of the end part of the bridge body 2 can be positioned and locked.

The two-way balanced type lifting bridge can lift a land vehicle, particularly a train 3, at a high distance, the operation auxiliary system can ensure that the bridge body 2 is stable and does not shake in the lifting process, the bridge body 2 can be locked after being in place, particularly the end part of the bridge body 2 can be positioned and locked, the safety is ensured, the matching system ensures that the land vehicle can directly continue to pass after being lifted in place, the tower-bridge system adopts a balanced structure, the energy consumption of a power system is reduced, the descending of the high-level land vehicle and the ascending of the low-level land vehicle can be simultaneously realized, namely, the two-way passing can be realized, the two-way balanced type lifting bridge can be arranged on an important node in an area with large relief of terrain, the problems of incapability of passing and limited passing are solved, the passing efficiency is improved, the overall cost is reduced, and a plurality of the two-way stepped type lifting bridge can be used in a multi-stage mode, the method is also suitable for regions with large relief, is suitable for plateau regions in provinces such as Yuandong Sichuan, Gansu, Xinjiang, Tibet and the like, can be connected with plateaus and plain regions, reduces the construction difficulty and saves the overall construction cost.

As shown in fig. 2 and fig. 8 to 11, the operation assisting system further includes a holding device 4 located near the end of the in-place rear axle body 2 for holding the end of the in-place rear axle body 2, the holding device 4 including an extending mechanism and a jacking mechanism; the extending mechanism comprises a fixed arm 15 and a movable arm 14 which are in sliding fit, a lead screw 17 arranged on the fixed arm 15, a motor and a speed reducer 16 for driving the lead screw 17, and a sliding block 18 which is matched with the lead screw 17 and is arranged on the movable arm 14; the jacking mechanism comprises a jack 12 arranged on the movable arm 15, a motor for driving the jack 12 and a speed reducer 13. Because the bridge body 2 is very long, the end part of the bridge body 2 cannot be prevented from moving downwards under disturbance degree by the locking device 11 and the positioning locking device 10, and a land vehicle can also generate stress change in the process of entering and exiting the bridge body 2 to cause the end part of the bridge body 2 to have certain floating displacement, the supporting device 4 is additionally arranged, can be retracted in the lifting process of the bridge body 2 without interference, can support the end part of the bridge body 2 after the bridge body 2 is in place, and ensures the position degree and the passing safety of the end part 2 of the bridge body after the bridge body 2 is in place.

As shown in fig. 8 and 9, the fixed arm 15 adopts a sliding table, the movable arm 14 adopts a sliding plate, as shown in fig. 10 and 11, the fixed arm 15 and the movable arm 14 adopt a large square box and a small square box which are mutually sleeved together, the former structure is simple to manufacture and convenient to install, and the latter structure is inconvenient to manufacture and install, but has good stress performance and stable support.

As shown in fig. 12, the guide wheel 7 is of a floating structure, the guide wheel 7 is mounted on a bearing seat 21, the bottom of the bearing seat 21 is in sliding fit with a support cylinder 19, the support cylinder 19 is mounted on the bridge body 2, a screw 20 is arranged at the bottom of the bearing seat 21, a baffle 23 is arranged in the support cylinder 19, the screw 50 penetrates through a baffle 56, and a spring 22 and a nut 24 are respectively sleeved on two sides of the baffle, the spring 22 is pressed between the baffle 23 and the bearing seat 21, and the nut 24 is used for pre-tightening the spring 22. The floating structure of the guide wheel 7 not only ensures the attachment with the guide rail 25, but also avoids the locking.

As shown in fig. 13 and 14, the guide wheels 7 are grouped into three groups, each group of guide wheels 7 has the same height and surrounds and fits the guide rail 25 from three sides. The guide wheel 7 surrounds and matches the guide rail 25 from three sides, and can prevent the bridge body 2 from shaking back and forth.

As shown in fig. 13, the guide rail 25 is cylindrical, and the guide wheel 7 is provided with a groove corresponding to the guide rail 25, so that the stabilizing effect is improved. As shown in fig. 14, as another solution, the guide rail 25 is a square column, and the guide wheel 7 is flatly attached to the guide rail 25, so that the installation is convenient.

As shown in fig. 15, the locking device 11 includes a motor 26, a speed reducer 27, a jack 28 and a friction disc 29 disposed at an end of the jack 28 for sequentially transmitting power, and the locking devices 11 are arranged in two groups, each group being equal in height and clamped to the tower 1 when locked. The locking device 11 realizes locking through friction force generated by clamping force, and has the advantages of good locking effect, simple structure and convenience in installation.

As shown in fig. 16, the locking device 11 is clamped against the rail 25 when locked. The locking device 11 and the guide wheel 7 share the guide rail 25, and the components of the tower 1 can be reduced.

As shown in fig. 17, the positioning and locking device 10 includes a motor 33, a speed reducer 32, a jack 31, and a positioning head 30 disposed at an end of the jack 31, which are used for sequentially transmitting power, and after the bridge body 2 is in place, the positioning head 30 is positioned and locked when extending into a positioning hole at an end of the bridge body 2. After the bridge body 2 is in place, the supporting device 4 supports the bridge body 2 in place, and the positioning and locking device 10 positions and locks two sides of the end part of the bridge body 2, so that the bridge body 2, the tower frame 1 and two ends of the bridge body 2 are locked into a whole, and the purposes of in-place stability and safety are achieved.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. An operation auxiliary system of a lifting bridge is characterized in that: including guider, locking device and location locking device, guider including establishing the guide rail on the pylon with distribute in the pontic both sides and with guide rail complex guide pulley, the guide pulley can prevent to rock about the pontic in the pontic both sides, the guide pulley that is located the pontic homonymy can prevent that the pontic from rocking from beginning to end, locking device establishes on the pontic, can lock with the pylon after the pontic targets in place, location locking device is located near rear axle tip both sides that targets in place, can fix a position locking pontic tip both sides.

2. The lift bridge travel assistance system of claim 1, wherein: the supporting device is positioned near the end part of the in-place rear axle body and used for supporting the end part of the in-place rear axle body, and the supporting device comprises an extending mechanism and a jacking mechanism; the external extending mechanism comprises a fixed arm and a movable arm which are in sliding fit, a lead screw arranged on the fixed arm, a motor and a speed reducer for driving the lead screw, and a sliding block which is matched with the lead screw and arranged on the movable arm; the jacking mechanism comprises a jack arranged on the movable arm, a motor for driving the jack and a speed reducer.

3. A service assist system for a lift bridge as recited in claim 2, wherein: the fixed arm adopts a sliding table, the movable arm adopts a sliding plate, or the fixed arm and the movable arm adopt a large square box and a small square box which are mutually sleeved together.

4. The lift bridge travel assistance system of claim 1, wherein: the guide wheel adopts a floating structure, the guide wheel is installed on a bearing seat, the bottom of the bearing seat is in sliding fit in a supporting cylinder, the supporting cylinder is installed on a bridge body, the bottom of the bearing seat is provided with a screw rod, a baffle is arranged in the supporting cylinder, the screw rod penetrates through the baffle, springs and nuts are respectively sleeved on two sides of the baffle, the springs are pressed between the baffle and the bearing seat, and the nuts are used for pre-tightening the springs.

5. The lift bridge travel assistance system of claim 1, wherein: the guide wheels are in a group of three, each group of guide wheels are equal in height, and the guide rails are surrounded and matched from three sides.

6. A service assist system for a lift bridge as recited in claim 5, wherein: the guide rail is cylindrical, and the guide wheel is provided with a groove matched with the guide rail.

7. The lift bridge travel assistance system of claim 5, wherein: the guide rail is in a square column shape, and the guide wheel is flatly attached to the guide rail.

8. The lift bridge travel assistance system of claim 1, wherein: the locking device comprises a motor, a speed reducer, a jack and a friction disc, wherein the motor, the speed reducer, the jack and the friction disc are sequentially used for transmitting power, the friction disc is arranged at the top end of the jack, the locking devices are arranged in a group, each group is equal in height and is clamped on the tower frame in a locking mode.

9. The lift bridge travel assistance system of claim 8, wherein: when the locking device is locked, the locking device is clamped on the guide rail.

10. The lift bridge travel assistance system of claim 1, wherein: the positioning and locking device comprises a motor, a speed reducer, a jack and a positioning head arranged at the top end of the jack, wherein the motor, the speed reducer and the jack sequentially transmit power, and the positioning head is positioned and locked when extending into a positioning hole at the end part of the bridge body after the bridge body is in place.