Multifunctional automatic sleeper leveling and retraction equipment for urban rail transit

Abstract

The present invention provides a multifunctional automatic leveling and retracting device for urban rail transit, comprising a fixed track beam and a movable track beam, characterized in that the movable track beam is located at the lower right side of the fixed track beam; the lower part of the fixed track beam is respectively installed with a fixed support structure; the upper parts of the fixed track beam and the movable track beam are respectively provided with trolley tracks; the lower part between the front and rear of the movable track beam is installed with a movable support structure; and the lower right side of the fixed support structure is provided with a retracting and conveying device. When the movable track beam contacts the contact switch, the present invention can control the double winch to stop conveying the movable track beam through the control box, thereby improving the degree of intelligence; the guide roller can flexibly rotate on the outer side of the shaft rod to make the movable track beam move more smoothly.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical structures, and in particular relates to a multifunctional automatic sleeper leveling and retraction device for urban rail transit. Background Art

[0002] At present, there are two main methods for the construction of U-beam integral trackbeds in some cities in China. The first is to use the manual paving method, which has low construction efficiency, low degree of mechanization, and high labor intensity for workers. The second method is to use an automatic sleeper assembly platform, which improves the efficiency of track assembly to a certain extent and can achieve automatic sleeper leveling, but it also exposes some shortcomings during use. For example, the trolley cannot be pulled back by power and requires manual pushing to achieve it. The detailed design of the trolley also needs to be improved and optimized. The existing automatic sleeper leveling and retraction equipment used in urban rail transit has the problems of poor smoothness and low degree of automation when retracting. Summary of the invention

[0003] In view of the above technical problems, the present invention provides a multifunctional automatic sleeper leveling and retraction device for urban rail transit, which is smoother and more intelligent.

[0004] The technical solution is: a multifunctional automatic sleeper leveling and retraction equipment for urban rail transit, comprising a fixed track beam and a movable track beam, characterized in that the movable track beam is located at the lower right side of the fixed track beam; the lower part of the fixed track beam is respectively installed with a fixed bracket structure; the upper parts of the fixed track beam and the movable track beam are respectively provided with trolley tracks; the lower part between the front and rear of the movable track beam is installed with a movable bracket structure; the lower right side of the fixed bracket structure is provided with a retraction and conveying device; the front side of the fixed track beam is provided with a control box; the lower left bolt of the fixed track beam is installed with a contact switch; the right bolts on the front and rear sides of the fixed track beam are installed with side connecting plates.

[0005] Preferably, the fixed bracket structure includes an inverted U-shaped frame, which is connected to the lower bolts of the fixed track beam; fixed pillars are welded on the left and right sides of the lower part of the inverted U-shaped frame; a storage frame is embedded in the upper part of the fixed pillars; an axle is installed on the inner bolts of the storage frame; and a guide roller is connected to the outer shaft of the axle.

[0006] Preferably, the movable bracket structure includes a support tube, and movable wheels are axially connected to the left and right sides of the lower part of the support tube; a lifting screw is axially connected to the inner upper part of the support tube; a transverse fixing frame is welded to the inner upper part of the support tube; the upper end of the lifting screw passes through a connecting beam; lifting motors are bolted on the left and right sides of the upper part of the connecting beam, and the lifting motor is transmission-connected to the lifting screw; the connecting beam bolts are installed in the lower position between the front and rear of the movable track beam.

[0007] Preferably, the gathering and conveying device includes a bottom fixed side plate, and a double winch is installed on the upper right bolt of the bottom fixed side plate; the winding rollers of the double winch are respectively wound with gathering steel cables; the end of the gathering steel cable away from the double winch is connected with a connecting ring.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] When the movable track beam contacts the contact switch, the double winch can be controlled by the control box to stop conveying the movable track beam, thereby improving the degree of intelligence.

[0010] After the movable track beam is moved to the right side of the fixed track beam, the bolts can be used to penetrate the side connection plate and threadedly connect with the movable track beam, thereby fixing the connection between the fixed track beam and the movable track beam.

[0011] The guide roller of the present invention can flexibly rotate on the outer side of the shaft rod so as to make the movable track beam move more smoothly.

[0012] The connecting crossbeam of the present invention can fix the movable track beams on the front and rear sides, and the connecting crossbeam is convenient for fixing the lifting motor.

[0013] The present invention moves the movable track beam to the inner side of the inverted U-shaped frame when it does not need to be extended for use, thereby facilitating the storage of the movable track beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 It is a structural schematic diagram of the fixed support structure of the present invention.

[0016] Figure 3 It is a structural schematic diagram of the movable support structure of the present invention.

[0017] Figure 4 It is a structural schematic diagram of the gathering and conveying device of the present invention.

[0018] In the figure:

[0019] 1. Fixed track beam; 2. Movable track beam; 3. Fixed bracket structure; 31. Inverted U-shaped frame; 32. Fixed pillar; 33. Storage frame; 34. Axle rod; 35. Guide roller; 4. Trolley track; 5. Movable bracket structure; 51. Support pipe; 52. Moving wheel; 53. Lifting screw; 54. Horizontal fixing frame; 55. Connecting beam; 56. Lifting motor; 6. Retracting conveying device; 61. Bottom fixed side plate; 62. Double winch; 63. Retracting steel cable; 64. Connecting ring; 7. Control box; 8. Contact switch; 9. Side connecting plate. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings:

[0021] Example:

[0022] As attached Figure 1 and attached Figure 2 As shown, the present invention provides a multifunctional automatic sleeper leveling and retracting device for urban rail transit, comprising a fixed track beam 1 and a movable track beam 2, wherein the movable track beam 2 is located at the lower right side of the fixed track beam 1; a fixed support structure 3 is respectively installed at the lower part of the fixed track beam 1; a trolley track 4 is respectively arranged at the upper part of the fixed track beam 1 and the movable track beam 2; a movable support structure 5 is installed at the lower part between the front and rear of the movable track beam 2; a retracting and conveying device 6 is arranged at the lower right side of the fixed support structure 3; a control box 7 is arranged at the front side of the fixed track beam 1, and the control box 7 can be set to any position; a contact switch 8 is installed on the left bolt at the lower part of the fixed track beam 1, and when the movable track beam 2 contacts the contact switch 8, the double winch 62 can be controlled through the control box 7 to stop conveying the movable track beam 2; the fixed track The right bolts on the front and rear sides of the beam 1 are installed with side connecting plates 9. After the movable track beam 2 is moved to the right side of the fixed track beam 1, the bolts can be used to penetrate the side connecting plates 9 and threadedly connect with the movable track beam 2, so as to fix the connection between the fixed track beam 1 and the movable track beam 2; the fixed bracket structure 3 includes an inverted U-shaped frame 31, and the inverted U-shaped frame 31 is connected with the lower bolts of the fixed track beam 1, and the movable track beam 2 can be stored under the support of the fixed track beam 1; fixed pillars 32 are welded on the left and right sides of the lower part of the inverted U-shaped frame 31; a storage frame 33 is embedded in the upper part of the fixed pillar 32; a shaft rod 34 is installed with the inner bolts of the storage frame 33; a guide roller 35 is connected to the outer side of the shaft rod 34, and the guide roller 35 can rotate flexibly on the outer side of the shaft rod 34, so that the movable track beam 2 can move more smoothly.

[0023] As attached Figure 3As shown, in the above embodiment, specifically, the movable bracket structure 5 includes a support tube 51, and movable wheels 52 are axially connected to the left and right sides of the lower part of the support tube 51; a lifting screw 53 is axially connected to the inner upper part of the support tube 51, and the lifting screw 53 rotates in the support tube 51, thereby realizing the height adjustment of the movable track beam 2; a transverse fixing frame 54 is welded to the inner upper part of the support tube 51, and the transverse fixing frame 54 can play a supporting and positioning role between the support tubes 51; the upper end of the lifting screw 53 passes through a connecting beam 55; a lifting motor 56 is bolted on the left and right sides of the upper part of the connecting beam 55, and the lifting motor 56 is transmission-connected to the lifting screw 53; the connecting beam 55 is bolted on the lower position between the front and rear of the movable track beam 2, and the connecting beam 55 can fix the movable track beam 2 on the front and rear sides, and the connecting beam 55 facilitates the fixing of the lifting motor 56.

[0024] As attached Figure 4 As shown, in the above embodiment, specifically, the gathering and conveying device 6 includes a bottom fixed side plate 61, and a double winch 62 is installed on the upper right bolt of the bottom fixed side plate 61; the winding rollers of the double winch 62 are respectively wound with gathering steel cables 63; the end of the gathering steel cable 63 away from the double winch 62 is connected with a connecting ring 64.

[0025] In the above embodiment, specifically, the movable track beam 2 is inserted into the inner side of the inverted U-shaped frame 31, so that the movable track beam 2 can be stored conveniently when it is not needed to be extended for use.

[0026] In the above embodiment, specifically, the movable track beam 2 is in contact with the upper portion of the guide roller 35, and when the movable track beam 2 is retracted, the movable track beam 2 moves on the guide roller 35, so that the movable track beam 2 can be retracted more smoothly.

[0027] In the above embodiment, specifically, the connecting ring 64 is welded to the supporting tubes 51 provided on the left and right sides of the lower part of the movable track beam 2 respectively.

[0028] In the above embodiment, specifically, a PLC is provided in the control box 7 , and the output end of the PLC is electrically connected to the double winch 62 and the lifting motor 56 , respectively, and the input end of the PLC is electrically connected to the contact switch 8 .

[0029] How it works

[0030] During operation, the present invention uses the PLC in the control box 7 to control the forward rotation of the double winch 62, and moves the movable track beam 2 to the right under the action of the retracting steel cable 63, and uses the moving wheel 52 to contact the ground. After moving to the rightmost side, the lifting motor 56 drives the lifting screw 53 to rotate from the support tube 51 to adjust the height of the movable track beam 2. After the movable track beam 2 is horizontally aligned with the fixed track beam 1, the fixed track beam 1 and the movable track beam 2 are installed together by bolts penetrating the side connecting plate 9. When it is necessary to retract, the bolts on the side connecting plate 9 are removed, and then the lifting motor 56 drives the lifting screw 53 to rotate in the opposite direction from the support tube 51 to lower the lower part of the movable track beam 2, and then the double winch 62 is used to rotate in the opposite direction, and then the movable track beam 2 is moved on the guide roller 35. When the movable track beam 2 contacts the contact switch 8, the PLC in the control box 7 controls the double winch 62 to stop rotating.

[0031] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A multifunctional automatic sleeper leveling and retraction device for urban rail transit, comprising a fixed rail beam (1) and a movable rail beam (2), characterized in that: The movable track beam (2) is located at the lower right side of the fixed track beam (1); the lower part of the fixed track beam (1) is respectively installed with a fixed support structure (3); the upper part of the fixed track beam (1) and the movable track beam (2) are respectively provided with a trolley track (4); the lower part between the front and rear of the movable track beam (2) is installed with a movable support structure (5); the lower right side of the fixed support structure (3) is provided with a retracting conveying device (6); the front side of the fixed track beam (1) is provided with a control box (7); the fixed track beam The left side bolts at the bottom of the fixed track beam (1) are provided with a contact switch (8); the right side bolts at the front and rear sides of the fixed track beam (1) are provided with side connecting plates (9); the fixed bracket structure (3) comprises an inverted U-shaped frame (31), and the inverted U-shaped frame (31) is connected to the lower bolts of the fixed track beam (1); fixed pillars (32) are welded on the left and right sides of the lower part of the inverted U-shaped frame (31); a storage frame (33) is embedded in the upper part of the fixed pillar (32); and a shaft (34) is provided on the inner bolts of the storage frame (33); The outer side of the shaft (34) is axially connected to a guide roller (35); the movable support structure (5) comprises a support tube (51), and movable wheels (52) are axially connected to the left and right sides of the lower part of the support tube (51); a lifting screw (53) is axially connected to the upper inner part of the support tube (51); a transverse fixing frame (54) is welded to the upper inner part of the support tube (51); the upper end of the lifting screw (53) passes through a connecting crossbeam (55); a lifting motor (56) is bolted to the left and right sides of the upper part of the connecting crossbeam (55); ), and the lifting motor (56) is drivingly connected to the lifting screw (53); the connecting crossbeam (55) is bolted to the lower position between the front and rear of the movable track beam (2); the retracting conveying device (6) comprises a bottom fixed side plate (61), and a double winch (62) is bolted to the upper right side of the bottom fixed side plate (61); the winding rollers of the double winch (62) are respectively wound with retracting steel cables (63); the end of the retracting steel cable (63) away from the double winch (62) is connected to a connecting ring (64).

2. The multifunctional automatic sleeper leveling and retraction device for urban rail transit as claimed in claim 1, characterized in that: The movable track beam (2) is plugged into the inner side of the inverted U-shaped frame (31).

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