Hydraulic correction device for railway wagon body stiffening plate

Abstract

The utility model belongs to the field of railway vehicle maintenance tools, and particularly relates to a hydraulic correction device for a railway wagon body stiffening plate. Comprising an arch-shaped frame, a hydraulic jack, a hydraulic source and a hydraulic jack mounting seat, the arch-shaped frame comprises a longitudinal rod, and a first cross rod and a second cross rod which are vertically connected with the longitudinal rod; the end of the first transverse rod is connected with a vertical hook, the end of the second transverse rod is connected with a transverse hook, and the arch-shaped frame is connected with a lower side beam of a vehicle body through the vertical hook and connected with a lower side door side wall of the vehicle body through the transverse hook. The hydraulic jack mounting seat is assembled on the longitudinal rod in a sliding manner and can be fixed at any position of the longitudinal rod, the hydraulic jack is mounted on the hydraulic jack mounting seat, the hydraulic jack is connected with a hydraulic source, and the hydraulic jack supports and corrects the vehicle body stiffening plate by taking the arch-shaped frame as a counter-force support; the train body stiffening plate deformation fault processing device can realize train body stiffening plate deformation fault processing, greatly shortens fault processing time, ensures safe and punctual operation of a train, and effectively improves train turnover efficiency.

Description

Technical Field

[0001] The utility model belongs to the field of railway vehicle maintenance tools, and in particular relates to a hydraulic correction device for a railway freight car body reinforcement plate. Background Art

[0002] Since railway freight trains use loaders during loading and unloading operations, improper operation can easily cause deformation of the reinforcement plate, which in turn can cause poor closing of the lower side door. In severe cases, this can affect transportation efficiency and train operation safety, and increase vehicle maintenance costs.

[0003] When dealing with the deformation of the reinforcement plate during maintenance, the work space is limited and the handling is difficult. The steel plate is strong and there are no suitable tools. Two people work together to repair the reinforcement plate with a sledgehammer or a crowbar. Improper operation can easily squeeze or hit the operator. In this case, the labor intensity and safety risks of the inspectors are increased, and the loaded goods are prone to leakage. Utility Model Content

[0004] The utility model aims to solve the problems of great difficulty in repairing the deformation of the reinforcing plate, long repair time and potential safety hazards of being squeezed or hit.

[0005] The utility model provides the following technical solutions: a hydraulic correction device for a railway freight car body reinforcement plate, comprising a bow frame, a hydraulic jack, a hydraulic source and a hydraulic jack mounting seat;

[0006] The bow frame includes a longitudinal bar and a first cross bar and a second cross bar vertically connected to the longitudinal bar, the first cross bar and the second cross bar are in the same direction; the end of the first cross bar is connected to the vertical hook, the end of the second cross bar is connected to the transverse hook, the bow frame is connected to the lower side beam of the vehicle body through the vertical hook, and is connected to the lower side door side wall of the vehicle body through the transverse hook;

[0007] The hydraulic jack mounting seat can be slidably assembled on the longitudinal rod and can be fixed at any position of the longitudinal rod. The hydraulic jack is installed on the hydraulic jack mounting seat. The hydraulic jack is in the same direction as the first cross bar and the second cross bar. The hydraulic jack is connected to the hydraulic source. The hydraulic jack uses the bow frame as a reaction force support to support and correct the vehicle body reinforcement plate.

[0008] Furthermore, the transverse hook includes a hook body, an insert part and a first screw, the hook body is fixedly connected to the insert part, the insert part is inserted into the second cross bar, the first screw is threadedly connected to the insert part, and the first screw passes through the end of the insert part and abuts against the second cross bar to fix the insert part on the second cross bar.

[0009] Furthermore, the cross section of the second cross bar is rectangular, the plug-in portion is provided with a rectangular slot that fits with the second cross bar, and the first screw is perpendicular to the surface of the second cross bar where it is located.

[0010] Furthermore, the hydraulic jack mounting seat has a through groove that matches the longitudinal rod, and the hydraulic jack mounting seat is sleeved on the longitudinal rod through the through groove. The hydraulic jack mounting seat is threaded with a second screw, which passes through the end of the hydraulic jack mounting seat and abuts against the longitudinal rod to fix the hydraulic jack mounting seat on the longitudinal rod.

[0011] Furthermore, two arc-shaped baffles are fixed on the hydraulic jack mounting seat, and a slot for limiting the hydraulic jack is formed between the two arc-shaped baffles. A gap is set between the two arc-shaped baffles, and the hydraulic oil pipe of the hydraulic jack is connected to the hydraulic source through the gap.

[0012] Furthermore, the cross section of the longitudinal rod is rectangular.

[0013] Furthermore, the hydraulic source is a manual hydraulic pump.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The utility model provides a hydraulic correction device for a railway freight car body reinforcement plate, which can realize the processing of deformation faults of the car body reinforcement plate, greatly shorten the fault processing time, ensure the safe and punctual operation of the train, and effectively improve the train turnover efficiency; it saves time and labor, is safe and reliable, improves maintenance efficiency, reduces labor intensity, and improves work safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] In the figure: 1-hydraulic jack; 2-longitudinal rod; 3-first cross bar; 4-second cross bar; 5-vertical hook; 6-hook body; 7-plug-in part; 8-first screw; 9-hydraulic jack mounting seat; 10-second screw; 11-arc baffle; 12-manual hydraulic pump. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] like Figure 1 As shown: a hydraulic correction device for a railway freight car body reinforcement plate, comprising a bow frame, a hydraulic jack 1, a hydraulic source and a hydraulic jack mounting seat 9. The hydraulic source is a manual hydraulic pump 12.

[0020] The bow-shaped frame includes a longitudinal rod 2 and a first cross bar 3 and a second cross bar 4 vertically connected to the longitudinal rod 2, and the first cross bar 3 and the second cross bar 4 are in the same direction; the end of the first cross bar 3 is connected to the vertical hook 5, and the end of the second cross bar 4 is connected to the transverse hook. The bow-shaped frame is connected to the lower side beam of the vehicle body through the vertical hook 5 and is connected to the lower side door side wall of the vehicle body through the transverse hook.

[0021] The hydraulic jack mounting seat 9 can be slidably assembled on the longitudinal rod 2 and can be fixed at any position of the longitudinal rod 2, so as to realize the adjustment of different parts of the vehicle body reinforcement plate. The hydraulic jack 1 is installed on the hydraulic jack mounting seat 9. The hydraulic jack 1 is in the same direction as the first cross bar 3 and the second cross bar 4. The hydraulic jack 1 is connected to the hydraulic source. The hydraulic jack 1 uses the bow frame as the reaction force support to support and correct the vehicle body reinforcement plate.

[0022] The transverse hook includes a hook body 6, an insert part 7 and a first screw 8. The hook body 6 is fixedly connected to the insert part 7. The insert part 7 is inserted into the second cross bar 4. The first screw 8 is threadedly connected to the insert part 7. The first screw 8 passes through the end of the insert part 7 and abuts against the second cross bar 4 to fix the insert part 7 on the second cross bar 4.

[0023] The cross section of the second cross bar 4 is rectangular, and the plug-in portion 7 has a rectangular slot that fits the second cross bar 4. The first screw 8 is perpendicular to the surface of the second cross bar 4. The plug-in portion 7 can change the installation direction, and then the hook body 6 can be left or right, so as to adapt to the left wall and the right wall of the lower side door of the vehicle body.

[0024] The cross-section of the longitudinal rod 2 is rectangular, and the hydraulic jack mounting seat 9 has a through groove that matches the longitudinal rod 2. The hydraulic jack mounting seat 9 is sleeved on the longitudinal rod 2 through the through groove. The hydraulic jack mounting seat 9 is threaded with a second screw 10. The second screw 10 passes through the end of the hydraulic jack mounting seat 9 and abuts against the longitudinal rod 2 to fix the hydraulic jack mounting seat 9 on the longitudinal rod 2.

[0025] Two arc-shaped baffles 11 are fixed on the hydraulic jack mounting seat 9, and a slot for limiting the hydraulic jack 1 is formed in the middle of the two arc-shaped baffles 11, thereby reducing the possibility of sliding of the hydraulic jack 1 and improving work safety. A gap is set between the two arc-shaped baffles 11, and the hydraulic oil pipe of the hydraulic jack 1 is connected to the hydraulic source through the gap.

[0026] The top of the piston rod of the hydraulic jack 1 is engraved with anti-skid grooves to increase the contact friction with the surface of the vehicle body reinforcement plate and prevent horizontal sliding.

[0027] The hydraulic correction device for the railway freight car body reinforcement plate can correct the deformation fault of the car body reinforcement plate. The specific operation steps are as follows:

[0028] Step 1. After the technical inspection finds that the body reinforcement plate is deformed and the lower side door cannot be closed, the train inspection personnel will handle it by first opening the lower side door and fixing it;

[0029] Step 2. The operator places the hydraulic jack 1 on the hydraulic jack mounting seat 9;

[0030] Step 3. The operator connects the vertical hook 5 of the bow frame to the lower side beam of the vehicle body, and the horizontal hook to the lower side door side wall of the vehicle body;

[0031] Step 4. The operator slides the hydraulic jack mounting seat 9 on the longitudinal rod 2, and fixes the hydraulic jack mounting seat 9 to the severely deformed part of the vehicle body reinforcement plate using the second screw 10;

[0032] Step 5. The operator connects the manual hydraulic pump 12 and the hydraulic jack 1 through an oil pipe, and corrects the vehicle body reinforcement plate by applying pressure through the hydraulic jack 1.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hydraulic straightening device for a railway freight car body reinforcement plate, characterized in that: It comprises a bow frame, a hydraulic jack (1), a hydraulic source and a hydraulic jack mounting seat (9); The bow frame comprises a longitudinal rod (2) and a first cross rod (3) and a second cross rod (4) vertically connected to the longitudinal rod (2); the first cross rod (3) and the second cross rod (4) are in the same direction; the end of the first cross rod (3) is connected to a vertical hook (5), and the end of the second cross rod (4) is connected to a transverse hook; the bow frame is connected to the lower side beam of the vehicle body through the vertical hook (5) and is connected to the lower side door side wall of the vehicle body through the transverse hook; The hydraulic jack mounting seat (9) can be slidably mounted on the longitudinal rod (2) and can be fixed at any position of the longitudinal rod (2). The hydraulic jack (1) is mounted on the hydraulic jack mounting seat (9). The hydraulic jack (1) is in the same direction as the first cross bar (3) and the second cross bar (4). The hydraulic jack (1) is connected to a hydraulic source. The hydraulic jack (1) uses a bow frame as a reaction force support to support and correct the vehicle body reinforcement plate.

2. The hydraulic straightening device for railway freight car body reinforcement plate according to claim 1, characterized in that: The transverse hook comprises a hook body (6), an inserting portion (7) and a first screw (8); the hook body (6) is fixedly connected to the inserting portion (7); the inserting portion (7) is inserted into the second cross bar (4); the first screw (8) is threadedly connected to the inserting portion (7); the first screw (8) passes through the end of the inserting portion (7) and abuts against the second cross bar (4) to fix the inserting portion (7) on the second cross bar (4).

3. The hydraulic straightening device for railway freight car body reinforcement plate according to claim 2, characterized in that: The cross section of the second cross bar (4) is rectangular, the plug-in portion (7) is provided with a rectangular slot that fits with the second cross bar (4), and the first screw (8) is perpendicular to the surface of the second cross bar (4) where it is located.

4. A hydraulic straightening device for a railway freight car body reinforcement plate according to claim 1 or 3, characterized in that: The hydraulic jack mounting seat (9) has a through groove that matches the longitudinal rod (2), and the hydraulic jack mounting seat (9) is sleeved on the longitudinal rod (2) through the through groove. The hydraulic jack mounting seat (9) is threadedly connected with a second screw (10), and the second screw (10) passes through the end of the hydraulic jack mounting seat (9) and abuts against the longitudinal rod (2) to fix the hydraulic jack mounting seat (9) on the longitudinal rod (2).

5. The hydraulic straightening device for railway freight car body reinforcement plate according to claim 4, characterized in that: Two arc-shaped baffles (11) are fixed on the hydraulic jack mounting seat (9), and a slot for limiting the hydraulic jack (1) is formed between the two arc-shaped baffles (11). A gap is arranged between the two arc-shaped baffles (11), and the hydraulic oil pipe of the hydraulic jack (1) is connected to the hydraulic source through the gap.

6. The hydraulic straightening device for railway freight car body reinforcement plate according to claim 4, characterized in that: The cross section of the longitudinal rod (2) is rectangular.

7. The hydraulic straightening device for railway freight car body reinforcement plate according to claim 1, characterized in that: The hydraulic source is a manual hydraulic pump (12).

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