Locomotive rectifying element press-fitting device

Abstract

The utility model belongs to the technical field of locomotive element press fitting, and relates to a locomotive rectifying element press fitting device. The installation base provides a stable supporting platform for the whole press-fitting device, it is guaranteed that the device cannot shake or vibrate in the press-fitting process, and therefore press-fitting precision and stability are guaranteed. The press-fitting die is used for containing the rectifying element to be press-fitted, the rectifying element to be press-fitted can be accurately placed at the preset position through the press-fitting die, and press-fitting failure caused by position deviation is avoided. And the main body bracket is used for supporting the hydraulic pressurizing unit to ensure that the hydraulic pressurizing unit can stably apply pressure. The hydraulic pressurizing unit is located over the press-fitting die, and it is ensured that the hydraulic pressurizing unit can carry out accurate press-fitting on the rectifying element to be press-fitted. By means of the hydraulic pressurizing unit, quick press fitting of the locomotive rate rectifying element can be achieved, and press fitting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the locomotive element press mounting technical field relates to a locomotive rectifier element press mounting device. BACKGROUND

[0002] The silicon rectifier device is a key component of the Shaoshan type electric locomotive, which can convert alternating current into direct current for traction motor use. With the development of the railway industry, high-power rectifier devices are increasingly widely used in Shaoshan type electric locomotives.

[0003] The main locomotive rectifier element manufacturers on the current market generally adopt the production mode of assembly line type assembly and automatic press mounting of the press mounting machine. Although this mode is suitable for batch production and industrial chain type production, it is not suitable for the production needs of various types, various types and relatively small quantities in the locomotive repair industry due to high investment cost.

[0004] During the press mounting process of the high-power rectifier element, due to the lack of effective fixing means, it can only rely on manual cooperation to complete. It cannot be fixed, and usually requires three people to cooperate to operate, one of whom is fixed above, and two people cooperate to disassemble or tighten, and the assembled components after press mounting often need to be adjusted repeatedly during single tube testing. This operation mode not only has low efficiency, but also has great safety hazards.

[0005] In summary, in the existing high-power rectifier element press mounting method, manual press mounting has the problems of low efficiency and high safety hazards. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of locomotive rectifier element press mounting devices, to solve the technical problems that manual press mounting has low efficiency, high safety hazards, the utility model can realize the quick press mounting of locomotive rectifier element, it is favorable to improve press mounting efficiency.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions to realize:

[0008] The utility model discloses a kind of locomotive rectifier element press mounting devices, comprising:

[0009] Mounting base, the mounting base is equipped with press mounting mould, the press mounting mould is used to place the rectifier element to be press mounted;

[0010] Main body support, the main body support is fixedly arranged on the mounting base, the main body support is equipped with hydraulic pressure unit, the hydraulic pressure unit is located directly above the press mounting mould.

[0011] Further, the mounting base is equipped with mould installation groove, the mould installation groove is rectangular groove, the side of the mould installation groove away from main body support is completely open.

[0012] The press-fitting mold is embedded in the mold mounting groove.

[0013] Further, the main body support comprises a first front vertical plate, a second front vertical plate, a lower cover plate, a rear vertical plate and an upper cover plate, the first front vertical plate, the second front vertical plate and the rear vertical plate are arranged in parallel, the second front vertical plate and the rear vertical plate are fixedly connected with the mounting base, the second front vertical plate is fixedly connected with the lower cover plate, the rear vertical plate is fixedly connected with the upper cover plate, the lower cover plate and the upper cover plate are both fixedly connected with the first front vertical plate, and the lower cover plate and the upper cover plate are arranged in parallel.

[0014] Further, the second front vertical plate is connected with the mounting base through a reinforcing rib.

[0015] Further, the hydraulic pressure unit comprises:

[0016] A hydraulic oil cylinder is embedded on the main body support, and the hydraulic oil cylinder is located directly above the press-fitting mold.

[0017] A hydraulic oil pump is connected with the hydraulic oil cylinder through a lifting and lowering electromagnetic valve.

[0018] Further, the lifting and lowering electromagnetic valve is provided with a lowering electromagnetic valve coil and a lifting electromagnetic valve coil.

[0019] The hydraulic oil cylinder comprises a lower cavity and an upper cavity, and the lower cavity and the upper cavity are both in communication with the lifting and lowering electromagnetic valve.

[0020] When the lowering electromagnetic valve coil is powered and the lifting electromagnetic valve coil is not powered, the outlet of the hydraulic oil pump is in communication with the upper cavity through the lifting and lowering electromagnetic valve, and the inlet of the hydraulic oil pump is in communication with the lower cavity through the lifting and lowering electromagnetic valve.

[0021] When the lowering electromagnetic valve coil is not powered and the lifting electromagnetic valve coil is powered, the outlet of the hydraulic oil pump is in communication with the lower cavity through the lifting and lowering electromagnetic valve, and the inlet of the hydraulic oil pump is in communication with the upper cavity through the lifting and lowering electromagnetic valve.

[0022] When the lowering electromagnetic valve coil is not powered and the lifting electromagnetic valve coil is not powered, all valve ports of the lifting and lowering electromagnetic valve are closed.

[0023] Further, the hydraulic pressure unit further comprises:

[0024] The hydraulic pump pressure limiting overflow valve, the high pressure constant pressure overflow valve, the low pressure constant pressure overflow valve and the pressure selection electromagnetic valve, the oil inlet of the high pressure constant pressure overflow valve and the oil inlet of the low pressure constant pressure overflow valve are connected between the outlet of the hydraulic oil pump and the rising and falling electromagnetic valve through the pressure selection electromagnetic valve, the oil return of the high pressure constant pressure overflow valve and the oil return of the low pressure constant pressure overflow valve are connected with the oil return of the hydraulic pump pressure limiting overflow valve and the inlet of the hydraulic oil pump, and the oil inlet of the hydraulic pump pressure limiting overflow valve is connected between the outlet of the hydraulic oil pump and the rising and falling electromagnetic valve;

[0025] The setting pressure of the hydraulic pump pressure limiting overflow valve is greater than the setting pressure of the high pressure constant pressure overflow valve, and the setting pressure of the high pressure constant pressure overflow valve is greater than the setting pressure of the low pressure constant pressure overflow valve.

[0026] Further, a pressure gauge is arranged between the outlet of the hydraulic oil pump and the rising and falling electromagnetic valve.

[0027] Further, the pressure selection electromagnetic valve is provided with a high pressure electromagnetic valve coil and a low pressure electromagnetic valve coil.

[0028] When the high pressure electromagnetic valve coil is powered and the low pressure electromagnetic valve coil is not powered, the high pressure constant pressure overflow valve is communicated between the outlet of the hydraulic oil pump and the pressure selection electromagnetic valve.

[0029] When the high pressure electromagnetic valve coil is not powered and the low pressure electromagnetic valve coil is powered, the low pressure constant pressure overflow valve is communicated between the outlet of the hydraulic oil pump and the pressure selection electromagnetic valve.

[0030] Further, the hydraulic pressure unit further comprises a motor, and an output end of the motor is connected with an input end of the hydraulic oil pump through a transmission device.

[0031] Compared with the prior art, the utility model has the following beneficial effects:

[0032] 1、The installation base provides a stable support platform for the whole press fitting device, ensures that the device does not shake or vibrate during the press fitting process, so as to guarantee the precision and stability of press fitting. The press fitting mold is used for placing the rectifier element to be press fitted, and the press fitting mold enables the rectifier element to be press fitted to be accurately placed at the predetermined position, avoiding the press fitting failure caused by position deviation. The main support is used for supporting the hydraulic pressure unit, ensuring that the hydraulic pressure unit can stably exert pressure. The hydraulic pressure unit is located directly above the press fitting mold, ensuring that the hydraulic pressure unit can accurately press fit the rectifier element to be press fitted. Through the hydraulic pressure unit, the utility model can realize the rapid press fitting of the locomotive rectifier element, improving the press fitting efficiency.

[0033] 2, the mold mounting groove is a rectangular groove, the side of the mold mounting groove far from the main body support is completely open, forming a through groove. Allow the mold to be pressed down and inserted or removed from the side far from the main body support without obstacles, which is beneficial to improve the pressing efficiency.

[0034] 3, the second front plate and the mounting base are connected through the reinforcing ribs, which is beneficial to improve the stability of the whole device. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a schematic diagram of the whole structure of the utility model;

[0036] Figure 2 It is a top view of Figure 1 ;

[0037] Figure 3 It is a left view of Figure 1 ;

[0038] Figure 4 It is an oil path control schematic diagram of the utility model.

[0039] Wherein: 1, main body support; 101, first front plate; 102, second front plate; 103, lower cover plate; 104, rear plate; 105, upper cover plate; 106, reinforcing rib; 2, hydraulic pressure unit; 201, hydraulic oil cylinder; 202, hydraulic oil pump; 203, hydraulic pump pressure relief valve; 204, high-pressure constant pressure relief valve; 205, low-pressure constant pressure relief valve; 206, up-down electromagnetic valve; 207, pressure selection electromagnetic valve; 208, pressure gauge; 209, lower cavity; 210, upper cavity; 3, mounting base; 301, pressing mold; 302, mold mounting groove; 4, rectifier element; 5, motor. DETAILED DESCRIPTION

[0040] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely in the embodiment of the utility model below, obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor should belong to the scope of protection of the utility model.

[0041] It should be noted that the terms "first", "second", and the like in the description and claims of the utility model and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0042] The utility model will be described in further detail below in conjunction with the drawings:

[0043] Referring to Figure 1 The utility model discloses a locomotive rectifying element press fitting device, include: main support 1, hydraulic pressure unit 2 and installation base 3. Installation base 3 provides the stable support platform for entire press fitting device, ensures that the device does not sway or vibrate during press fitting, to guarantee the precision and stability of press fitting.

[0044] The installation base 3 is equipped with press fitting mould 301, and the press fitting mould 301 is used to place the rectifying element 4 to be press fitted. The press fitting mould 301 enables the rectifying element 4 to be press fitted to be accurately placed at the predetermined position, avoiding the press fitting failure due to the position deviation.

[0045] The main support 1 is fixed on the installation base 3, and the main support 1 is equipped with the hydraulic pressure unit 2, and the main support 1 is used to support the hydraulic pressure unit 2, to ensure that the hydraulic pressure unit 2 can stably exert pressure. The hydraulic pressure unit 2 is located directly above the press fitting mould 301, to ensure that the hydraulic pressure unit 2 can accurately press fit the rectifying element 4 to be press fitted. Through the hydraulic pressure unit 2, the utility model can realize the rapid press fitting of the rectifying element of locomotive, and improve the press fitting efficiency.

[0046] Embodiment one:

[0047] Referring to Figure 1 The embodiment discloses a locomotive rectifying element press fitting device, including: main support 1, hydraulic pressure unit 2 and installation base 3.

[0048] The installation base 3 is equipped with press fitting mould 301, and the press fitting mould 301 is used to place the rectifying element 4 to be press fitted.

[0049] The main support 1 is fixed on the mounting base 3, and a hydraulic pressure unit 2 is arranged on the main support 1, and the hydraulic pressure unit 2 is located directly above the pressing die 301.

[0050] Preferably, referring to Figure 2 and Figure 3 , a die mounting groove 302 is arranged on the mounting base 3;

[0051] The pressing die 301 is embedded in the die mounting groove 302.

[0052] Preferably, referring to Figure 2 and Figure 3 , the die mounting groove 302 is a rectangular groove, and the side of the die mounting groove 302 away from the main support 1 is completely open, forming a through groove. The lower pressing die 304 can be inserted into or removed from the die mounting groove 302 from the side away from the main support 1 without obstacles, which is beneficial to improve the pressing efficiency.

[0053] Preferably, referring to Figure 1 and Figure 2 , the main support 1 comprises a first front vertical plate 101, a second front vertical plate 102, a lower cover plate 103, a rear vertical plate 104 and an upper cover plate 105, the first front vertical plate 101, the second front vertical plate 102 and the rear vertical plate 104 are arranged in parallel, the second front vertical plate 102 and the rear vertical plate 104 are fixedly connected to the mounting base 3, the second front vertical plate 102 is fixedly connected to the lower cover plate 103, the rear vertical plate 104 is fixedly connected to the upper cover plate 105, the lower cover plate 103 and the upper cover plate 105 are both fixedly connected to the first front vertical plate 101, and the lower cover plate 103 and the upper cover plate 105 are arranged in parallel.

[0054] Preferably, referring to Figure 1 , the second front vertical plate 102 is connected to the mounting base 3 through a reinforcing rib 106, which is beneficial to improve the stability of the device as a whole.

[0055] Preferably, referring to Figure 1 and Figure 4 , the hydraulic pressure unit 2 comprises a motor 5, a hydraulic oil cylinder 201, a hydraulic oil pump 202, a hydraulic pump pressure relief valve 203, a high-pressure constant pressure relief valve 204, a low-pressure constant pressure relief valve 205 and a pressure selection electromagnetic valve 207.

[0056] Referring to Figure 1 , the hydraulic oil cylinder 201 is embedded on the main support 1, and the hydraulic oil cylinder 201 is located directly above the pressing die 301;

[0057] Referring to Figure 4The hydraulic oil pump 202 is connected with the hydraulic cylinder 201 through the up-down electromagnetic valve 206.

[0058] Preferably, referring to Figure 4 The up-down electromagnetic valve 206 is provided with a down electromagnetic valve coil YV3 and a down electromagnetic valve coil YV4.

[0059] The hydraulic cylinder 201 comprises a lower cavity 209 and an upper cavity 210, and the lower cavity 209 and the upper cavity 210 are communicated with the up-down electromagnetic valve 206.

[0060] When the down electromagnetic valve coil YV3 is powered and the up electromagnetic valve coil YV4 is not powered, the outlet of the hydraulic oil pump 202 is communicated with the upper cavity 210 through the up-down electromagnetic valve 206, and the inlet of the hydraulic oil pump 202 is communicated with the lower cavity 209 through the up-down electromagnetic valve 206.

[0061] When the down electromagnetic valve coil YV3 is not powered and the up electromagnetic valve coil YV4 is powered, the outlet of the hydraulic oil pump 202 is communicated with the lower cavity 209 through the up-down electromagnetic valve 206, and the inlet of the hydraulic oil pump 202 is communicated with the upper cavity 210 through the up-down electromagnetic valve 206.

[0062] When the down electromagnetic valve coil YV3 is not powered and the up electromagnetic valve coil YV4 is not powered, all valve ports of the up-down electromagnetic valve 206 are closed.

[0063] Preferably, the oil inlet of the high-pressure constant pressure overflow valve 204 and the oil inlet of the low-pressure constant pressure overflow valve 205 are connected between the outlet of the hydraulic oil pump 202 and the up-down electromagnetic valve 206 through the pressure selection electromagnetic valve 207, the oil return port of the high-pressure constant pressure overflow valve 204 and the oil return port of the low-pressure constant pressure overflow valve 205 are connected with the oil return port of the hydraulic pump pressure limiting overflow valve 203 and the inlet of the hydraulic oil pump 202, and the oil inlet of the hydraulic pump pressure limiting overflow valve 203 is connected between the outlet of the hydraulic oil pump 202 and the up-down electromagnetic valve 206.

[0064] The setting pressure of the hydraulic pump pressure limiting overflow valve 203 is greater than the setting pressure of the high-pressure constant pressure overflow valve 204, and the setting pressure of the high-pressure constant pressure overflow valve 204 is greater than the setting pressure of the low-pressure constant pressure overflow valve 205.

[0065] Preferably, referring to Figure 4 A pressure gauge 208 is arranged between the outlet of the hydraulic oil pump 202 and the up-down electromagnetic valve 206, so as to facilitate real-time monitoring of the oil circuit pressure.

[0066] Preferably, referring to Figure 4The pressure selection electromagnetic valve 207 is provided with a high-pressure electromagnetic valve coil YV1 and a low-pressure electromagnetic valve coil YV2;

[0067] When the high-pressure electromagnetic valve coil YV1 is powered and the low-pressure electromagnetic valve coil YV2 is not powered, the high-pressure constant pressure overflow valve 204 is communicated between the pressure selection electromagnetic valve 207 and the outlet of the hydraulic oil pump 202;

[0068] When the high-pressure electromagnetic valve coil YV1 is not powered and the low-pressure electromagnetic valve coil YV2 is powered, the low-pressure constant pressure overflow valve 205 is communicated between the pressure selection electromagnetic valve 207 and the outlet of the hydraulic oil pump 202.

[0069] Preferably, referring to Figure 4 The output end of the motor 5 is connected to the input end of the hydraulic oil pump 202 through a transmission device.

[0070] Embodiment two:

[0071] Referring to Figure 1 The embodiment discloses a locomotive rectifying element press-fitting device, and specifically comprises the following:

[0072] By counting the external dimensions and press-fitting torques of various rectifying elements, the utility model discloses a locomotive rectifying element press-fitting device, and the device can meet the pressure and stroke requirements. The locomotive rectifying element press-fitting device mainly comprises a main support 1, a hydraulic pressurizing unit 2, an electrical control box and three sets of mounting bases 3. The mounting base 3 and the main support 1 are integrally connected in a way of resistance welding, a reinforcing rib 106 is welded at the connection between the second front vertical plate 102 and the mounting base 3, and the specification of a mold mounting groove 302 is 400x180x5mm. Considering that the external dimensions of rectifying elements of different vehicle types are different, three sets of press-fitting molds 301 are designed and manufactured, the press-fitting sizes of the three sets of press-fitting molds 301 are different, and the external dimensions of the bases of the press-fitting molds 301 are consistent.

[0073] Considering that the press-fitting pressures of rectifying elements of different vehicle types are different, a pressure grading control system is designed, corresponding press-fitting pressures can be selected according to different rectifying elements 4, and the precision of the pre-press-fitting pressure is improved. Here, the size of the hydraulic cylinder 201 is fixed, and as long as the pressure (pressure intensity) of the oil in the hydraulic cylinder 201 is switched, the maximum output pressure can be controlled.

[0074] The model of the hydraulic oil pump 202 is HGP-1A-F1, the stroke of the matched hydraulic oil cylinder 201 is 200 mm, the pressure range is 1.2T-2T, and the actual working condition is combined to design the action time of 20s-30s. Three overflow valves are used in the oil circuit system, the hydraulic pump pressure limiting overflow valve 203 is used for hydraulic pump high pressure protection, the high pressure constant pressure overflow valve 204 and the low pressure constant pressure overflow valve 205 are used for controlling two different pressure assembly pressures in the system, and the setting pressure values of the overflow valves are as follows: the setting pressure of the hydraulic pump pressure limiting overflow valve 203 > the setting pressure of the high pressure constant pressure overflow valve 204 > the setting pressure of the low pressure constant pressure overflow valve 205, the oil circuit adopts two three-position four-way electromagnetic valves for control, and the two three-position four-way electromagnetic valves are respectively the rising and falling electromagnetic valve 206 and the pressure selection electromagnetic valve 207, the rising and falling electromagnetic valve 206 is used for controlling the movement direction of the hydraulic cylinder rod, and the pressure selection electromagnetic valve 207 is used for switching the high and low pressures of the oil circuit system, so that the pressure assembly pressure grading control is realized.

[0075] Based on the above structure, the embodiment discloses a use method of the locomotive rectifier element press fitting device, and the collective steps are as follows:

[0076] S1, during the press fitting operation, first, the rectifier element 4 and the radiator are placed according to requirements;

[0077] S2, when the high-power rectifier element is press fitted, the test bench is operated, the high-pressure electromagnetic valve coil YV1 is electrified, the low-pressure electromagnetic valve coil YV2 is not electrified, the high-pressure constant pressure overflow valve 204 is connected to the oil circuit system, the maximum oil pressure in the oil circuit system is determined by the setting value of the high-pressure constant pressure overflow valve 204, and the oil circuit system operates at a higher pressure.

[0078] S3, when the ordinary rectifier element is press fitted, the test bench is operated, the low-pressure electromagnetic valve coil YV2 is electrified, the high-pressure electromagnetic valve coil YV1 is not electrified, the low-pressure constant pressure overflow valve 205 is connected to the oil circuit system, the maximum oil pressure in the oil circuit system is determined by the setting value of the low-pressure constant pressure overflow valve 205, and the oil circuit system operates at a lower pressure, so that the grading control of the oil circuit pressure system is realized.

[0079] S4, the falling electromagnetic valve coil YV3 is electrified, the rising electromagnetic valve coil YV4 is not electrified, the outlet (the high-pressure end of the hydraulic system) of the hydraulic oil pump 202 and the oil circuit of the upper cavity 210 are opened, the inlet (the low-pressure end of the hydraulic system) of the hydraulic oil pump 202 and the oil circuit of the lower cavity 209 are opened, the hydraulic cylinder rod moves downward, and the maximum pressure in the system is determined by the setting pressure of the high-pressure constant pressure overflow valve 204 or the low-pressure constant pressure overflow valve 205.

[0080] S5, make the descending electromagnetic valve coil YV3 no electricity, make the ascending electromagnetic valve coil YV4 no electricity, the ascending descending electromagnetic valve 206 all valve ports are closed, the whole system is in the pressure maintaining state, the hydraulic cylinder 201's piston rod position is unchanged, the rectifier element tube core, radiator state is visually abnormal, the four nuts of the four press-fit bolts of the rectifier element are manually screwed, and the nuts are not screwed.

[0081] S6, make the descending electromagnetic valve coil YV3 no electricity, make the ascending electromagnetic valve coil YV4 get electricity, open the oil way between the outlet (the high pressure end of the hydraulic system) of the hydraulic oil pump 202 and the lower cavity 209, and simultaneously open the oil way between the inlet (the low pressure end of the hydraulic system) of the hydraulic oil pump 202 and the upper cavity 210, the hydraulic cylinder 201's piston rod moves upwards;

[0082] S7, make the descending electromagnetic valve coil YV3 no electricity, make the ascending electromagnetic valve coil YV4 no electricity, the ascending descending electromagnetic valve 206 all valve ports are closed, the whole system is in the pressure maintaining state, the hydraulic cylinder 201's piston rod position is unchanged, after the pressure of the rectifier element 4 is removed, the rectifier element 4's tube core and radiator have been connected as a whole, at this time, although the rectifier element 4 is axially without pressure, but since the upper and lower radiators of the rectifier element 4 are clamped in the press-fit die 301, the rotating movement of the rectifier element 4 along the vertical axis is limited, at this time, the constant torque wrench can be used to check the press-fit torque, since the setting value of the pre-press-fit pressure is lower than the final press-fit force, at this time, only the press-fit torque needs to be corrected. After the torque correction is completed, the hydraulic cylinder 201's piston rod is reset, and the press-fit is completed. The press-fit device can be equipped with a corresponding circuit for automatic control, which is helpful to improve the automation degree of the device.

[0083] The hydraulic cylinder 201 of the utility model adopts vertical front flange installation, the highest pressure is 21Mpa, is equipped with 1.75kW, 1440r / min, 380V three-phase asynchronous motor 5, small in size, light in weight, does not occupy the site space, is fixed on the workbench position, is convenient for rectifier element 4 assembly operation. The preassembled rectifier element 4 assembly is placed on the corresponding press-fit die 301, and then the press-fit die 301 and the preassembled rectifier element 4 assembly are pushed into the die mounting groove 302 of the mounting base 3 as a whole.

[0084] The utility model discloses based on the composition structure of various locomotive rectifier elements, the pressure required for press fitting, controls the hydraulic system control press fitting through the design electrical control system. Pre-press the thyristor and rectifier tube, finally use torque wrench according to fixed torque value fastening the bolt of thyristor and rectifier tube, realize the press fitting of thyristor and rectifier tube, provide help for the maintenance of converter device.

[0085] The above merely illustrates the technical thought of the present application, and cannot limit the protection scope of the present application. Any modification made on the basis of the technical solution according to the technical thought of the present application falls within the protection scope of the present application.

Claims

1. A locomotive commutator element press mounting device characterized by, The utility model relates to a rectifier element pressure mounting device, including: The mounting base (3) is equipped with the pressure mounting mould (301) on, the pressure mounting mould (301) is used for placing the rectifier element (4) of pressure mounting to be waited for; The main body support (1) is fixed in the mounting base (3), and the hydraulic pressure pressurizing unit (2) is located on the main body support (1) and is located directly above the pressure mounting mould (301).

2. A locomotive commutator element press mounting device as defined in claim 1 wherein, The mounting base (3) is equipped with the mould installation groove (302) on, the mould installation groove (302) is rectangular groove, and the side of the mould installation groove (302) away from the main body support (1) is completely open; The pressure mounting mould (301) is embedded in the mould installation groove (302).

3. The locomotive commutator element press mounting device of claim 1 wherein, The main body support (1) includes first front vertical plate (101), second front vertical plate (102), lower cover plate (103), rear vertical plate (104) and upper cover plate (105), the first front vertical plate (101), the second front vertical plate (102) and the rear vertical plate (104) are arranged in parallel, the second front vertical plate (102) and the rear vertical plate (104) are fixedly connected with the mounting base (3), the second front vertical plate (102) is fixedly connected with the lower cover plate (103), the rear vertical plate (104) is fixedly connected with the upper cover plate (105), and the lower cover plate (103) and the upper cover plate (105) are fixedly connected with the first front vertical plate (101), and the lower cover plate (103) and the upper cover plate (105) are arranged in parallel.

4. The locomotive commutator element press mounting device of claim 3, wherein, The second front vertical plate (102) is connected with the mounting base (3) through the reinforcing rib (106).

5. The locomotive commutator element press mounting device of claim 1 wherein, The hydraulic pressure pressurizing unit (2) includes: The hydraulic oil cylinder (201) is embedded on the main body support (1), and the hydraulic oil cylinder (201) is located directly above the pressure mounting mould (301); The hydraulic oil pump (202) is connected with the hydraulic oil cylinder (201) through the ascending and descending electromagnetic valve (206).

6. A locomotive commutator element press mounting device as defined in claim 5 wherein, The ascending and descending electromagnetic valve (206) is equipped with descending electromagnetic valve coil (YV3) and ascending electromagnetic valve coil (YV4); The hydraulic oil cylinder (201) includes lower cavity (209) and upper cavity (210), and the lower cavity (209) and the upper cavity (210) are communicated with the ascending and descending electromagnetic valve (206); When the descending electromagnetic valve coil (YV3) is electrified, and the ascending electromagnetic valve coil (YV4) is not electrified, the outlet of the hydraulic oil pump (202) is communicated with the upper cavity (210) through the ascending and descending electromagnetic valve (206), and the inlet of the hydraulic oil pump (202) is communicated with the lower cavity (209) through the ascending and descending electromagnetic valve (206). When the falling electromagnetic valve coil (YV3) is not powered, the rising electromagnetic valve coil (YV4) is powered, the outlet of the hydraulic oil pump (202) is communicated with the lower cavity (209) through the rising and falling electromagnetic valve (206); the inlet of the hydraulic oil pump (202) is communicated with the upper cavity (210) through the rising and falling electromagnetic valve (206); When the falling electromagnetic valve coil (YV3) is not powered, the rising electromagnetic valve coil (YV4) is not powered, all valve ports of the rising and falling electromagnetic valve (206) are closed.

7. A locomotive commutator element press fitting device according to claim 5 or 6, wherein The hydraulic pressure unit (2) further comprises: The hydraulic pump pressure relief valve (203), the high pressure constant pressure relief valve (204), the low pressure constant pressure relief valve (205) and the pressure selection electromagnetic valve (207), the oil inlet of the high pressure constant pressure relief valve (204) and the oil inlet of the low pressure constant pressure relief valve (205) are connected between the outlet of the hydraulic oil pump (202) and the rising and falling electromagnetic valve (206) through the pressure selection electromagnetic valve (207), the oil return port of the high pressure constant pressure relief valve (204) and the oil return port of the low pressure constant pressure relief valve (205) are connected with the oil return port of the hydraulic pump pressure relief valve (203) and the inlet of the hydraulic oil pump (202), and the oil inlet of the hydraulic pump pressure relief valve (203) is connected between the outlet of the hydraulic oil pump (202) and the rising and falling electromagnetic valve (206); The setting pressure of the hydraulic pump pressure relief valve (203) is greater than the setting pressure of the high pressure constant pressure relief valve (204), and the setting pressure of the high pressure constant pressure relief valve (204) is greater than the setting pressure of the low pressure constant pressure relief valve (205).

8. The locomotive commutator element press mounting device of claim 6, wherein, A pressure gauge (208) is arranged between the outlet of the hydraulic oil pump (202) and the rising and falling electromagnetic valve (206).

9. The locomotive commutator element press mounting device of claim 7, wherein, The pressure selection electromagnetic valve (207) is provided with a high pressure electromagnetic valve coil (YV1) and a low pressure electromagnetic valve coil (YV2); When the high pressure electromagnetic valve coil (YV1) is powered and the low pressure electromagnetic valve coil (YV2) is not powered, the high pressure constant pressure relief valve (204) is communicated between the outlet of the hydraulic oil pump (202) through the pressure selection electromagnetic valve (207); When the high pressure electromagnetic valve coil (YV1) is not powered and the low pressure electromagnetic valve coil (YV2) is powered, the low pressure constant pressure relief valve (205) is communicated between the outlet of the hydraulic oil pump (202) through the pressure selection electromagnetic valve (207).

10. The locomotive commutator element press assembly of claim 5 or 6, wherein, The hydraulic pressure unit (2) further comprises a motor (5), and the output end of the motor (5) is connected with the input end of the hydraulic oil pump (202) through a transmission device.

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