Connecting flange device for quickly disassembling and assembling locomotive traction motor ventilation canvas
By designing the sliding groove flange and fast lock traction motor ventilation canvas connection device, the problem of difficult replacement of railway locomotive ventilation canvas on small curve radius lines is solved, rapid disassembly and efficient maintenance is achieved, and cost and workload are reduced. .
Patent Information
- Application Number
- CN202420665675.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2024-12-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing railway locomotive traction motor ventilation canvas frequently deform and wear severely on lines with small curve radius, resulting in difficulty in replacing, requiring the car body to be built, and the workload is large and time-consuming.
A quick disassembly and assembled traction motor ventilation canvas connection flange device is designed, including vehicle body flange, sliding groove flange and quick lock. The sliding fit and tightening are achieved through U-shaped groove and quick lock, avoiding the use. Bolts for easy replacement.
It realizes that the ventilated canvas can be quickly disassembled and installed without raising the car body, shortening replacement time, improving maintenance efficiency, extending maintenance cycle, and reducing costs.
Smart Images
Figure CN222141697U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a connecting flange device capable of quickly disassembling and assembling a ventilation canvas of a locomotive traction motor, and belongs to the technical field of traction motor equipment of railway diesel locomotives. Background Art
[0002] The ventilation canvas of the traction motor of the air-cooled railway locomotive is a soft-connected elastic ventilation device set for the heat dissipation of the traction motor. Because the curve radius of the railway lines in most industrial and mining enterprises is small and there are many bends, the railway diesel locomotives that have been running in this area for a long time frequently pass through the small curve radius line, causing the locomotive traction motor ventilation canvas to be frequently deformed and severely worn, and need to be frequently replaced. At present, the upper flange of the traction motor ventilation canvas is directly fixed to the car body by eight bolts, and the lower flange of the ventilation canvas is fastened to the two V-shaped groove irons on the opposite sides by two long screws, and fixed to the traction motor air inlet flange. Because the distance between the bogie and the car body is small, the locomotive car body needs to be erected to replace the ventilation canvas. It is particularly difficult to replace the ventilation canvas without erecting the car body. Because the replacement of the ventilation canvas requires the disassembly of the traction rod, the motor wire and other related components, the workload is large and the time is long. Therefore, it is very necessary to improve the installation structure of the ventilation canvas of the traction motor, and design a connection device for the locomotive traction motor ventilation canvas that can be quickly disassembled without erecting the car body to facilitate the replacement of the ventilation canvas. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a connecting flange device for quickly disassembling and assembling the ventilation canvas of a locomotive traction motor. The connecting flange device can quickly disassemble and assemble the ventilation canvas of the locomotive traction motor without erecting the vehicle body, thereby shortening the time for replacing the ventilation canvas, improving the maintenance efficiency, extending the locomotive maintenance cycle, and reducing the maintenance and operation cost.
[0004] The technical solution to solve the above technical problems is:
[0005] The invention discloses a connecting flange device for quickly disassembling and assembling a ventilation canvas of a locomotive traction motor, comprising a body flange, which is fixedly connected to the body by connecting bolts, an intermediate sleeve, a sliding groove flange, and a quick lock, wherein the upper end and the lower end of the intermediate sleeve are respectively connected to the inner holes of the body flange and the sliding groove flange, the sliding groove flange is a square flange, and the two sides of the sliding groove flange and the lower part of the rear plate surface are respectively provided with connected U-shaped grooves, the front ends of the U-shaped grooves below the plate surfaces on both sides of the sliding groove flange are open, the plate surfaces on both sides of the ventilation canvas upper flange are respectively inserted into the U-shaped grooves on both sides of the sliding groove flange through the openings of the U-shaped grooves, the two side plates of the ventilation canvas upper flange are slidably matched with the U-shaped grooves on both sides of the sliding groove flange, and quick locks are respectively installed at the openings of the two U-shaped grooves of the sliding groove flange, and the quick lock is locked and connected with the rear end of the ventilation canvas upper flange inserted into the U-shaped groove.
[0006] The above-mentioned connecting flange device for quickly disassembling and assembling the locomotive traction motor ventilation canvas, the height of the intermediate sleeve is greater than the length of the connecting bolts of the body flange, the length and width of the sliding groove flange are respectively matched with the length and width of the flange on the ventilation canvas, the lower side width of the U-shaped groove at the lower part of the sliding groove flange matches the width of the flange on the ventilation canvas, and the rear bottom surface height of the U-shaped groove matches the plate surface thickness of the flange on the ventilation canvas.
[0007] The above-mentioned connecting flange device for quickly disassembling and assembling the ventilation canvas of the locomotive traction motor, the quick lock is composed of a lock plate handle, a lock shaft, a lock tensioning pin and a lock bow spring, the lock plate handle is a long plate, and the two lock plate handles are respectively placed on the outside of the U-shaped groove on both sides of the sliding groove flange, and a rotating shaft hole is provided in the middle of the lock plate handle, and the lock shaft is connected to the outer wall of the U-shaped groove of the sliding groove flange through the rotating shaft hole, and a lock tensioning pin is provided at the front end of the lock plate handle, and the lock tensioning pin is perpendicular to the length direction of the lock plate handle, one end of the lock tensioning pin is fixedly connected to the front end of the lock plate handle, and the other end of the lock tensioning pin extends out of the side of the lock plate handle, and the rear end of the lock bow spring is connected to the outer end of the lock tensioning pin, and the front end hook of the lock bow spring is opposite to the rear end of the flange on the ventilation canvas inserted into the U-shaped groove of the sliding groove flange.
[0008] The beneficial effects of the utility model are:
[0009] The vehicle body flange of the utility model is the same as the prior art, and the vehicle body flange is connected to the vehicle body by bolts; the vehicle body flange is connected to the sliding groove flange by an intermediate sleeve, and the sliding groove flange does not affect the installation and disassembly of the vehicle body flange; there are U-shaped grooves on the lower sides and the rear of the sliding groove flange respectively, and the two sides of the flange on the ventilation canvas can be inserted into the U-shaped groove through the openings of the two U-shaped grooves, so that the flange on the ventilation canvas and the sliding groove flange are butt-connected; the U-shaped grooves of the upper flange of the ventilation canvas and the sliding groove flange are slidingly matched, which is convenient for disassembly and replacement; a quick lock is installed on the outer side of the U-shaped groove opening of the sliding groove flange, and turning the lock plate handle of the quick lock forward can make the lock tensioning pin drive the lock bow spring to move, and the lock bow spring can lock the U-shaped groove of the upper flange of the ventilation canvas and the sliding groove flange.
[0010] The utility model has the advantages of simple structure, convenient use and easy manufacture, so that the disassembly and assembly of the ventilation canvas of the traction motor does not need to set up the vehicle body and use bolts, which effectively reduces the difficulty of replacement, improves the replacement efficiency, significantly extends the inspection and replacement cycle of components, and significantly reduces the inspection fee and maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 yes Figure 1 Right side view of the body flange, intermediate sleeve and sliding groove flange;
[0013] Figure 3 yes Figure 1 A top view of
[0014] Figure 4 It is a structural diagram of a quick lock;
[0015] Figure 5 Schematic diagram of the quick lock in the open state;
[0016] Figure 6 Schematic diagram of the locking state of the quick lock;
[0017] Figure 7 yes Figure 5 A top view of
[0018] Figure 8 yes Figure 6 A top view of
[0019] Fig. 9 It is a schematic diagram of the use state of the utility model.
[0020] The markings in the figure are as follows: body flange 1, middle sleeve 2, sliding groove flange 3, quick lock 4, connecting bolt 5, U-shaped groove 6, lock plate handle 7, lock shaft 8, lock tension pin 9, lock bow spring 10, ventilation canvas upper flange 11, ventilation canvas 12. DETAILED DESCRIPTION
[0021] The utility model is composed of a vehicle body flange 1, an intermediate sleeve 2, a sliding groove flange 3, a quick lock 4, and a connecting bolt 5.
[0022] Figure 1 , 2 3 shows that the body flange 1 is the same as the prior art, and the body flange 1 is connected to the body by connecting bolts 5.
[0023] Figure 1 , 2 3 shows that the middle sleeve 2 is a square cylinder, the upper end and the lower end of the middle sleeve 2 are respectively connected to the inner holes of the body flange 1 and the sliding groove flange 3, and the height of the middle sleeve 2 is greater than the length of the connecting bolts 5 of the body flange 1, which facilitates the disassembly and connection of the body flange 1 to the body by the connecting bolts 5.
[0024] Figure 1 , 23 shows that the sliding groove flange 3 is a square flange, and there are connected U-shaped grooves 6 on both sides of the sliding groove flange 3 and below the rear panel, and the front ends of the U-shaped grooves 6 below the panels on both sides of the sliding groove flange 3 are open. The length and width of the sliding groove flange 3 match the length and width of the upper flange 11 of the ventilation canvas, respectively. The lower width of the U-shaped groove 6 at the bottom of the sliding groove flange 3 matches the width of the upper flange 11 of the ventilation canvas, and the rear bottom height of the U-shaped groove 6 matches the panel thickness of the upper flange 11 of the ventilation canvas. The panels on both sides of the upper flange 11 of the ventilation canvas are slidably matched with the U-shaped grooves 6 on both sides of the sliding groove flange 3, which is convenient for disassembly and replacement.
[0025] Figure 1 , 2 3 shows that both sides of the plate surface of the ventilation canvas upper flange 11 are inserted into the U-shaped grooves 6 on both sides of the sliding groove flange 3 through the openings of the U-shaped grooves 6, so that the ventilation canvas upper flange 11 is butt-connected with the sliding groove flange 3.
[0026] Figure 1 , 3 It is shown that quick lock buckles 4 are respectively installed at the openings of the two U-shaped grooves 6 of the sliding groove flange 3, and the quick lock buckles 4 are locked and connected with the rear end of the upper flange 11 of the ventilation canvas inserted into the U-shaped groove 6. Installing the quick lock buckle 4 can avoid the difficulty of disassembling and installing bolts, and reduce the original need to disassemble and install multiple bolts to ensure the installation quality without using bolts, which can achieve a once-and-for-all effect.
[0027] Figure 4 , 5 , 6, 7, and 8 show that the quick lock 4 is composed of a lock plate handle 7, a lock shaft 8, a lock tension pin 9, and a lock bow spring 10.
[0028] The lock plate handle 7 is a long plate, and the two lock plate handles 7 are respectively placed on the outer side 6 of the U-shaped groove on both sides of the sliding groove flange 3. There is a rotating shaft hole in the middle of the lock plate handle 7, and the lock pin shaft 8 is connected to the outer wall of the U-shaped groove 6 of the sliding groove flange 3 through the rotating shaft hole. There is a lock tension pin 9 at the front end of the lock plate handle 7, and the lock tension pin 9 is perpendicular to the length direction of the lock plate handle 7. One end of the lock tension pin 9 is fixedly connected to the front end of the lock plate handle 7, and the other end of the lock tension pin 9 extends out of the side of the lock plate handle 7. The rear end of the lock bow spring 10 is connected to the outer end of the lock tension pin 9, and the front end of the lock bow spring 10 is opposite to the rear end of the ventilation canvas upper flange 11 inserted into the U-shaped groove 6 of the sliding groove flange 3. The ends of the two lock rotating shafts 8 are fixed at the appropriate positions of the left and right inlets of the sliding groove flange 3, so that the elastic force of the lock bow spring 10 after locking is moderate.
[0029] Fig. 9 It is shown that the use process of the utility model is as follows:
[0030] During the first installation, the body flange 1 is fixed to the body vent using the connecting bolts 5, and the two ends of the intermediate sleeve 2 are respectively welded to the body flange 1 and the sliding groove flange 3. When replacing the ventilation canvas later, it is generally not necessary to disassemble the body flange 1 and the intermediate sleeve 2.
[0031] Insert the upper flange 11 of the ventilation canvas into the U-shaped groove 6 of the sliding groove flange 3, so that the front edge of the upper flange 11 of the ventilation canvas contacts the bottom edge of the U-shaped groove 6;
[0032] The front end bent hook of the lock bow spring 10 of the quick lock 4 is aligned with the rear end of the ventilation canvas upper flange 11 inserted into the U-shaped groove 6 of the sliding groove flange 3, and the rear end of the lock plate handle 7 is held to rotate the lock plate handle 7 forward around the lock shaft 8. The lock tensioning pin 9 at the front end of the lock plate handle 7 rotates backward in the downward direction, driving the lock bow spring 10 to move backward. The bent hook at the front end of the lock bow spring 10 can lock and connect the rear end of the ventilation canvas upper flange 11 with the U-shaped groove 6 of the sliding groove flange 3.
[0033] The quick locks 4 installed on both sides of the inlet of the sliding groove flange 3 can avoid the difficulty of disassembling and assembling bolts, reducing the original need to disassemble and assemble multiple bolts to ensuring the installation quality without using bolts, thereby achieving the effect of reliably fastening the flange 11 on the ventilation canvas.
[0034] An embodiment of the present utility model is as follows:
[0035] The length of the body flange 1 is 380 mm, the width is 330 mm, and the thickness is 3 mm;
[0036] The diameter of the connecting bolt 5 is 10 mm and the length is 45 mm;
[0037] The length of the middle sleeve 2 is 300 mm, the width is 270 mm, and the height is 70 mm;
[0038] The length of the sliding groove flange 3 is 370 mm, the width is 350 mm, and the thickness is 25 mm. The width of the U-shaped groove 6 is 35 mm and the height is 18 mm.
[0039] The lock plate handle 7 of the quick lock 4 is 210mm long, 20mm wide and 5mm thick, the lock shaft 8 has a diameter of 10mm and a length of 35mm, the lock tension pin 9 has a diameter of 10mm and a length of 50mm, and the lock bow spring 10 has a width of 20mm and a length of 130mm.
Claims
1. A connection flange device for quickly disassembling and assembling a ventilation canvas of a locomotive traction motor, comprising a vehicle body flange (1), wherein the vehicle body flange (1) is fixedly connected to the vehicle body via connection bolts (5). Features: The invention also comprises an intermediate sleeve (2), a sliding groove flange (3), and a quick lock (4). The upper end and the lower end of the intermediate sleeve (2) are respectively connected to the inner hole of the vehicle body flange (1) and the sliding groove flange (3). The sliding groove flange (3) is a square flange. Both sides of the sliding groove flange (3) and the lower part of the rear plate surface are respectively provided with U-shaped grooves (6) connected to each other. The front ends of the U-shaped grooves (6) below the plate surfaces on both sides of the sliding groove flange (3) are open. Both sides of the plate surface of the ventilation canvas upper flange (11) are respectively inserted into the U-shaped grooves (6) on both sides of the sliding groove flange (3) through the openings of the U-shaped grooves (6). The plate surfaces on both sides of the ventilation canvas upper flange (11) are slidably matched with the U-shaped grooves (6) on both sides of the sliding groove flange (3). The openings of the two U-shaped grooves (6) of the sliding groove flange (3) are respectively provided with quick locks (4). The quick locks (4) are locked and connected with the rear end of the ventilation canvas upper flange (11) inserted into the U-shaped grooves (6).
2. The connecting flange device for quickly disassembling and assembling the ventilation canvas of the locomotive traction motor according to claim 1, Features: The height of the intermediate sleeve (2) is greater than the length of the connecting bolt (5) of the vehicle body flange (1); the length and width of the sliding groove flange (3) respectively match the length and width of the ventilation canvas upper flange (11); the lower width of the U-shaped groove (6) at the lower part of the sliding groove flange (3) matches the width of the ventilation canvas upper flange (11); and the rear bottom height of the U-shaped groove (6) matches the plate thickness of the ventilation canvas upper flange (11).
3. The connecting flange device for quickly disassembling and assembling the ventilation canvas of the locomotive traction motor according to claim 1, Features: The quick lock (4) is composed of a lock plate handle (7), a lock shaft (8), a lock tension pin (9) and a lock bow spring (10). The lock plate handle (7) is a long plate. The lock plate handles (7) of the two quick locks (4) are respectively placed on the outside of the U-shaped grooves (6) on both sides of the sliding groove flange (3). The middle of the lock plate handle (7) is provided with a rotation shaft hole. The lock shaft (8) is connected to the outer wall of the U-shaped groove (6) of the sliding groove flange (3) through the rotation shaft hole. The front end of the lock plate handle (7) is provided with a A lock tensioning pin (9) is perpendicular to the length direction of the lock plate handle (7), one end of the lock tensioning pin (9) is fixedly connected to the front end of the lock plate handle (7), the other end of the lock tensioning pin (9) extends out of the side of the lock plate handle (7), the rear end of the lock bow spring (10) is connected to the outer end of the lock tensioning pin (9), and the front end hook of the lock bow spring (10) is opposite to the rear end of the ventilation canvas upper flange (11) inserted into the U-shaped groove (6) of the sliding groove flange (3).